diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..78c1bf0 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,22 @@ + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml index eae431d..e9a01b1 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -1,7 +1,10 @@ - + + + - \ No newline at end of file diff --git a/.idea/mopidy-radionet.iml b/.idea/mopidy-radionet.iml index 03b0fee..21552fe 100644 --- a/.idea/mopidy-radionet.iml +++ b/.idea/mopidy-radionet.iml @@ -1,11 +1,10 @@ - - + + + + - - \ No newline at end of file diff --git a/.idea/workspace.xml b/.idea/workspace.xml index d9c7941..5ae612a 100644 --- a/.idea/workspace.xml +++ b/.idea/workspace.xml @@ -2,12 +2,14 @@ - - - + + + + + + + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/mopidy_radionet/__init__.py b/mopidy_radionet/__init__.py index 43db377..e242a32 100644 --- a/mopidy_radionet/__init__.py +++ b/mopidy_radionet/__init__.py @@ -6,7 +6,7 @@ import os from mopidy import config, ext -__version__ = '0.1.3' +__version__ = '0.1.4' logger = logging.getLogger(__name__) diff --git a/mopidy_radionet/radionet.py b/mopidy_radionet/radionet.py index a6d3dfe..f4cdc84 100644 --- a/mopidy_radionet/radionet.py +++ b/mopidy_radionet/radionet.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python2 +#!/usr/bin/env python3 # -*- coding: utf-8 -*- from __future__ import unicode_literals @@ -81,8 +81,8 @@ class RadioNetClient(object): try: tmp_str = self.session.get(self.base_url) - m = re.search('apiKey ?= ?[\'|"](.*)[\'|"];', tmp_str.content) - self.api_key = m.group(1).encode() + m = re.search('apiKey ?= ?[\'|"](.*)[\'|"];', tmp_str.content.decode()) + self.api_key = m.group(1) logger.info('Radio.net: APIKEY %s' % self.api_key) except Exception: logger.error('Radio.net: Failed to connect %s retrying' diff --git a/setup.py b/setup.py index 911472e..bc2a294 100644 --- a/setup.py +++ b/setup.py @@ -23,12 +23,12 @@ setup( packages=find_packages(exclude=['tests', 'tests.*']), zip_safe=False, include_package_data=True, - python_requires='>= 2.7, < 3', + python_requires='>= 3.7', install_requires=[ + 'Mopidy >= 3.0.0', + 'Pykka >= 2.0.1', 'setuptools', - 'tornado >= 4.4, < 5', # Tornado 5 requires Python >= 2.7.9 - 'Mopidy >= 1.0', - 'Pykka >= 1.1', + 'uritools >= 1.0' ], entry_points={ 'mopidy.ext': [ @@ -40,7 +40,8 @@ setup( 'Intended Audience :: End Users/Desktop', 'License :: OSI Approved :: Apache Software License', 'Operating System :: OS Independent', - 'Programming Language :: Python :: 2', + 'Programming Language :: Python :: 3', + 'Programming Language :: Python :: 3.7', 'Topic :: Multimedia :: Sound/Audio :: Players', ], ) diff --git a/venv/bin/activate b/venv/bin/activate new file mode 100644 index 0000000..6e04759 --- /dev/null +++ b/venv/bin/activate @@ -0,0 +1,76 @@ +# This file must be used with "source bin/activate" *from bash* +# you cannot run it directly + +deactivate () { + # reset old environment variables + if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then + PATH="${_OLD_VIRTUAL_PATH:-}" + export PATH + unset _OLD_VIRTUAL_PATH + fi + if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then + PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}" + export PYTHONHOME + unset _OLD_VIRTUAL_PYTHONHOME + fi + + # This should detect bash and zsh, which have a hash command that must + # be called to get it to forget past commands. Without forgetting + # past commands the $PATH changes we made may not be respected + if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then + hash -r + fi + + if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then + PS1="${_OLD_VIRTUAL_PS1:-}" + export PS1 + unset _OLD_VIRTUAL_PS1 + fi + + unset VIRTUAL_ENV + if [ ! "${1:-}" = "nondestructive" ] ; then + # Self destruct! + unset -f deactivate + fi +} + +# unset irrelevant variables +deactivate nondestructive + +VIRTUAL_ENV="/home/mariusz/IdeaProjects/mopidy-radionet/venv" +export VIRTUAL_ENV + +_OLD_VIRTUAL_PATH="$PATH" +PATH="$VIRTUAL_ENV/bin:$PATH" +export PATH + +# unset PYTHONHOME if set +# this will fail if PYTHONHOME is set to the empty string (which is bad anyway) +# could use `if (set -u; : $PYTHONHOME) ;` in bash +if [ -n "${PYTHONHOME:-}" ] ; then + _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}" + unset PYTHONHOME +fi + +if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then + _OLD_VIRTUAL_PS1="${PS1:-}" + if [ "x(venv) " != x ] ; then + PS1="(venv) ${PS1:-}" + else + if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then + # special case for Aspen magic directories + # see http://www.zetadev.com/software/aspen/ + PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1" + else + PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1" + fi + fi + export PS1 +fi + +# This should detect bash and zsh, which have a hash command that must +# be called to get it to forget past commands. Without forgetting +# past commands the $PATH changes we made may not be respected +if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then + hash -r +fi diff --git a/venv/bin/activate.csh b/venv/bin/activate.csh new file mode 100644 index 0000000..2914e2d --- /dev/null +++ b/venv/bin/activate.csh @@ -0,0 +1,37 @@ +# This file must be used with "source bin/activate.csh" *from csh*. +# You cannot run it directly. +# Created by Davide Di Blasi . +# Ported to Python 3.3 venv by Andrew Svetlov + +alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate' + +# Unset irrelevant variables. +deactivate nondestructive + +setenv VIRTUAL_ENV "/home/mariusz/IdeaProjects/mopidy-radionet/venv" + +set _OLD_VIRTUAL_PATH="$PATH" +setenv PATH "$VIRTUAL_ENV/bin:$PATH" + + +set _OLD_VIRTUAL_PROMPT="$prompt" + +if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then + if ("venv" != "") then + set env_name = "venv" + else + if (`basename "VIRTUAL_ENV"` == "__") then + # special case for Aspen magic directories + # see http://www.zetadev.com/software/aspen/ + set env_name = `basename \`dirname "$VIRTUAL_ENV"\`` + else + set env_name = `basename "$VIRTUAL_ENV"` + endif + endif + set prompt = "[$env_name] $prompt" + unset env_name +endif + +alias pydoc python -m pydoc + +rehash diff --git a/venv/bin/activate.fish b/venv/bin/activate.fish new file mode 100644 index 0000000..61c656d --- /dev/null +++ b/venv/bin/activate.fish @@ -0,0 +1,75 @@ +# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org) +# you cannot run it directly + +function deactivate -d "Exit virtualenv and return to normal shell environment" + # reset old environment variables + if test -n "$_OLD_VIRTUAL_PATH" + set -gx PATH $_OLD_VIRTUAL_PATH + set -e _OLD_VIRTUAL_PATH + end + if test -n "$_OLD_VIRTUAL_PYTHONHOME" + set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME + set -e _OLD_VIRTUAL_PYTHONHOME + end + + if test -n "$_OLD_FISH_PROMPT_OVERRIDE" + functions -e fish_prompt + set -e _OLD_FISH_PROMPT_OVERRIDE + functions -c _old_fish_prompt fish_prompt + functions -e _old_fish_prompt + end + + set -e VIRTUAL_ENV + if test "$argv[1]" != "nondestructive" + # Self destruct! + functions -e deactivate + end +end + +# unset irrelevant variables +deactivate nondestructive + +set -gx VIRTUAL_ENV "/home/mariusz/IdeaProjects/mopidy-radionet/venv" + +set -gx _OLD_VIRTUAL_PATH $PATH +set -gx PATH "$VIRTUAL_ENV/bin" $PATH + +# unset PYTHONHOME if set +if set -q PYTHONHOME + set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME + set -e PYTHONHOME +end + +if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" + # fish uses a function instead of an env var to generate the prompt. + + # save the current fish_prompt function as the function _old_fish_prompt + functions -c fish_prompt _old_fish_prompt + + # with the original prompt function renamed, we can override with our own. + function fish_prompt + # Save the return status of the last command + set -l old_status $status + + # Prompt override? + if test -n "(venv) " + printf "%s%s" "(venv) " (set_color normal) + else + # ...Otherwise, prepend env + set -l _checkbase (basename "$VIRTUAL_ENV") + if test $_checkbase = "__" + # special case for Aspen magic directories + # see http://www.zetadev.com/software/aspen/ + printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal) + else + printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal) + end + end + + # Restore the return status of the previous command. + echo "exit $old_status" | . + _old_fish_prompt + end + + set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" +end diff --git a/venv/bin/chardetect b/venv/bin/chardetect new file mode 100755 index 0000000..3f12e57 --- /dev/null +++ b/venv/bin/chardetect @@ -0,0 +1,10 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# -*- coding: utf-8 -*- +import re +import sys + +from chardet.cli.chardetect import main + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/easy_install b/venv/bin/easy_install new file mode 100755 index 0000000..c8ef04c --- /dev/null +++ b/venv/bin/easy_install @@ -0,0 +1,12 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# EASY-INSTALL-ENTRY-SCRIPT: 'setuptools==40.8.0','console_scripts','easy_install' +__requires__ = 'setuptools==40.8.0' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('setuptools==40.8.0', 'console_scripts', 'easy_install')() + ) diff --git a/venv/bin/easy_install-3.7 b/venv/bin/easy_install-3.7 new file mode 100755 index 0000000..2c5c8ed --- /dev/null +++ b/venv/bin/easy_install-3.7 @@ -0,0 +1,12 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# EASY-INSTALL-ENTRY-SCRIPT: 'setuptools==40.8.0','console_scripts','easy_install-3.7' +__requires__ = 'setuptools==40.8.0' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('setuptools==40.8.0', 'console_scripts', 'easy_install-3.7')() + ) diff --git a/venv/bin/mopidy b/venv/bin/mopidy new file mode 100755 index 0000000..6c233e8 --- /dev/null +++ b/venv/bin/mopidy @@ -0,0 +1,10 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# -*- coding: utf-8 -*- +import re +import sys + +from mopidy.__main__ import main + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/pip b/venv/bin/pip new file mode 100755 index 0000000..9b6a41d --- /dev/null +++ b/venv/bin/pip @@ -0,0 +1,12 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip' +__requires__ = 'pip==19.0.3' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('pip==19.0.3', 'console_scripts', 'pip')() + ) diff --git a/venv/bin/pip3 b/venv/bin/pip3 new file mode 100755 index 0000000..84fd679 --- /dev/null +++ b/venv/bin/pip3 @@ -0,0 +1,12 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip3' +__requires__ = 'pip==19.0.3' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('pip==19.0.3', 'console_scripts', 'pip3')() + ) diff --git a/venv/bin/pip3.7 b/venv/bin/pip3.7 new file mode 100755 index 0000000..8d254a8 --- /dev/null +++ b/venv/bin/pip3.7 @@ -0,0 +1,12 @@ +#!/home/mariusz/IdeaProjects/mopidy-radionet/venv/bin/python +# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip3.7' +__requires__ = 'pip==19.0.3' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('pip==19.0.3', 'console_scripts', 'pip3.7')() + ) diff --git a/venv/bin/python b/venv/bin/python new file mode 120000 index 0000000..940bee3 --- /dev/null +++ b/venv/bin/python @@ -0,0 +1 @@ +python3.7 \ No newline at end of file diff --git a/venv/bin/python3 b/venv/bin/python3 new file mode 120000 index 0000000..940bee3 --- /dev/null +++ b/venv/bin/python3 @@ -0,0 +1 @@ +python3.7 \ No newline at end of file diff --git a/venv/bin/python3.7 b/venv/bin/python3.7 new file mode 120000 index 0000000..f097b0e --- /dev/null +++ b/venv/bin/python3.7 @@ -0,0 +1 @@ +/usr/bin/python3.7 \ No newline at end of file diff --git a/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/LICENSE b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/METADATA b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/METADATA new file mode 100644 index 0000000..5566713 --- /dev/null +++ b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/METADATA @@ -0,0 +1,159 @@ +Metadata-Version: 2.1 +Name: Mopidy +Version: 3.0.1 +Summary: Mopidy is an extensible music server written in Python +Home-page: https://mopidy.com/ +Author: Stein Magnus Jodal +Author-email: stein.magnus@jodal.no +License: Apache License, Version 2.0 +Project-URL: Documentation, https://docs.mopidy.com/ +Project-URL: Discourse forum, https://discourse.mopidy.com/ +Project-URL: Zulip chat, https://mopidy.zulipchat.com/ +Project-URL: Source, https://github.com/mopidy/mopidy +Project-URL: Issues, https://github.com/mopidy/mopidy/issues +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: No Input/Output (Daemon) +Classifier: Intended Audience :: End Users/Desktop +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: POSIX :: Linux +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Topic :: Multimedia :: Sound/Audio :: Players +Requires-Python: >=3.7 +Requires-Dist: Pykka (>=2.0.1) +Requires-Dist: requests (>=2.0) +Requires-Dist: setuptools +Requires-Dist: tornado (>=4.4) +Provides-Extra: dev +Requires-Dist: pygraphviz ; extra == 'dev' +Requires-Dist: sphinx ; extra == 'dev' +Requires-Dist: sphinx-rtd-theme ; extra == 'dev' +Requires-Dist: black ; extra == 'dev' +Requires-Dist: check-manifest ; extra == 'dev' +Requires-Dist: flake8 ; extra == 'dev' +Requires-Dist: flake8-bugbear ; extra == 'dev' +Requires-Dist: flake8-import-order ; extra == 'dev' +Requires-Dist: isort[pyproject] ; extra == 'dev' +Requires-Dist: pep8-naming ; extra == 'dev' +Requires-Dist: twine ; extra == 'dev' +Requires-Dist: wheel ; extra == 'dev' +Requires-Dist: pytest ; extra == 'dev' +Requires-Dist: pytest-cov ; extra == 'dev' +Requires-Dist: responses ; extra == 'dev' +Provides-Extra: docs +Requires-Dist: pygraphviz ; extra == 'docs' +Requires-Dist: sphinx ; extra == 'docs' +Requires-Dist: sphinx-rtd-theme ; extra == 'docs' +Provides-Extra: lint +Requires-Dist: black ; extra == 'lint' +Requires-Dist: check-manifest ; extra == 'lint' +Requires-Dist: flake8 ; extra == 'lint' +Requires-Dist: flake8-bugbear ; extra == 'lint' +Requires-Dist: flake8-import-order ; extra == 'lint' +Requires-Dist: isort[pyproject] ; extra == 'lint' +Requires-Dist: pep8-naming ; extra == 'lint' +Provides-Extra: release +Requires-Dist: twine ; extra == 'release' +Requires-Dist: wheel ; extra == 'release' +Provides-Extra: test +Requires-Dist: pytest ; extra == 'test' +Requires-Dist: pytest-cov ; extra == 'test' +Requires-Dist: responses ; extra == 'test' + +****** +Mopidy +****** + +`Mopidy`_ is an extensible music server written in Python. + +Mopidy plays music from local disk, Spotify, SoundCloud, Google Play Music, and +more. You edit the playlist from any phone, tablet, or computer using a variety +of MPD and web clients. + +**Stream music from the cloud** + +Vanilla Mopidy only plays music from files and radio streams. Through +`extensions`_, Mopidy can play music from cloud services like Spotify, +SoundCloud, and Google Play Music. +With Mopidy's extension support, backends for new music sources can be easily +added. + +**Mopidy is just a server** + +Mopidy is a Python application that runs in a terminal or in the background on +Linux computers or Macs that have network connectivity and audio output. +Out of the box, Mopidy is an HTTP server. If you install the `Mopidy-MPD`_ +extension, it becomes an MPD server too. Many additional frontends for +controlling Mopidy are available as extensions. + +**Pick your favorite client** + +You and the people around you can all connect their favorite MPD or web client +to the Mopidy server to search for music and manage the playlist together. +With a browser or MPD client, which is available for all popular operating +systems, you can control the music from any phone, tablet, or computer. + +**Mopidy on Raspberry Pi** + +The `Raspberry Pi`_ is an popular device to run Mopidy on, either using +Raspbian, Ubuntu, or Arch Linux. +Pimoroni recommends Mopidy for use with their `Pirate Audio`_ audio gear for +Raspberry Pi. +Mopidy is also a significant building block in the `Pi Musicbox`_ integrated +audio jukebox system for Raspberry Pi. + +**Mopidy is hackable** + +Mopidy's extension support and Python, JSON-RPC, and JavaScript APIs make +Mopidy a perfect base for your projects. +In one hack, a Raspberry Pi was embedded in an old cassette player. The buttons +and volume control are wired up with GPIO on the Raspberry Pi, and is used to +control playback through a custom Mopidy extension. The cassettes have NFC tags +used to select playlists from Spotify. + +.. _Mopidy: https://mopidy.com/ +.. _extensions: https://mopidy.com/ext/ +.. _Mopidy-MPD: https://mopidy.com/ext/mpd/ +.. _Raspberry Pi: https://www.raspberrypi.org/ +.. _Pirate Audio: https://shop.pimoroni.com/collections/pirate-audio +.. _Pi Musicbox: https://www.pimusicbox.com/ + + +**Getting started** + +To get started with Mopidy, begin by reading the +`installation docs `_. + + +**Project resources** + +- `Documentation `_ +- `Discourse forum `_ +- `Zulip chat `_ +- `Source code `_ +- `Issue tracker `_ + +.. image:: https://img.shields.io/pypi/v/Mopidy.svg?style=flat + :target: https://pypi.python.org/pypi/Mopidy/ + :alt: Latest PyPI version + +.. image:: https://img.shields.io/circleci/project/github/mopidy/mopidy/develop.svg + :target: https://circleci.com/gh/mopidy/mopidy + :alt: CircleCI build status + +.. image:: https://img.shields.io/readthedocs/mopidy.svg + :target: https://docs.mopidy.com/ + :alt: Read the Docs build status + +.. image:: https://img.shields.io/codecov/c/github/mopidy/mopidy/develop.svg + :target: https://codecov.io/gh/mopidy/mopidy + :alt: Test coverage + +.. image:: https://img.shields.io/badge/chat-on%20zulip-brightgreen + :target: https://mopidy.zulipchat.com/ + :alt: Chat on Zulip + + diff --git a/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/RECORD b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/RECORD new file mode 100644 index 0000000..1584786 --- /dev/null +++ b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/RECORD @@ -0,0 +1,153 @@ +../../../bin/mopidy,sha256=lgZfWjcBMUrNrU8miLCas-MntSyrQZqrMvndTp_Umn8,259 +Mopidy-3.0.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +Mopidy-3.0.1.dist-info/LICENSE,sha256=z8d0m5b2O9McPEK1xHG_dWgUBT6EfBDz6wA0F7xSPTA,11358 +Mopidy-3.0.1.dist-info/METADATA,sha256=o8ZIC9I4ONgLjCPJX6G43wMf0ibG_IO1RpCbV9ZGVSc,6106 +Mopidy-3.0.1.dist-info/RECORD,, 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= mopidy.file:Extension +http = mopidy.http:Extension +m3u = mopidy.m3u:Extension +softwaremixer = mopidy.softwaremixer:Extension +stream = mopidy.stream:Extension + diff --git a/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..1cfd43c --- /dev/null +++ b/venv/lib/python3.7/site-packages/Mopidy-3.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +mopidy diff --git a/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/LICENSE b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ 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The actor model introduces some +simple rules to control the sharing of state and cooperation between execution +units, which makes it easier to build concurrent applications. + +For details and code examples, see the `Pykka documentation +`_. + +Pykka is available from PyPI. To install it, run:: + + pip install pykka + +Pykka works with CPython 2.7 and 3.5+, as well as PyPy 2.7 and 3.5+. + + +License +======= + +Pykka is copyright 2010-2019 Stein Magnus Jodal and contributors. +Pykka is licensed under the `Apache License, Version 2.0 +`_. + + +Project resources +================= + +- `Documentation `_ +- `Source code `_ +- `Issue tracker `_ + +.. image:: https://img.shields.io/pypi/v/Pykka.svg + :target: https://pypi.org/project/Pykka/ + :alt: Latest PyPI version + +.. image:: https://img.shields.io/circleci/project/github/jodal/pykka/develop.svg + :target: https://circleci.com/gh/jodal/pykka + :alt: CircleCI build status + +.. image:: https://img.shields.io/readthedocs/pykka.svg + :target: https://www.pykka.org/ + :alt: Read the Docs build status + +.. image:: https://img.shields.io/codecov/c/github/jodal/pykka/develop.svg + :target: https://codecov.io/gh/jodal/pykka + :alt: Test coverage + + diff --git a/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/RECORD b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/RECORD new file mode 100644 index 0000000..4b5a1b2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/RECORD @@ -0,0 +1,36 @@ +Pykka-2.0.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +Pykka-2.0.2.dist-info/LICENSE,sha256=z8d0m5b2O9McPEK1xHG_dWgUBT6EfBDz6wA0F7xSPTA,11358 +Pykka-2.0.2.dist-info/METADATA,sha256=121HFgIU2PAjqGj4z8-UmK0yQ_2qVFvXeRn-ZVQ2IsU,3099 +Pykka-2.0.2.dist-info/RECORD,, +Pykka-2.0.2.dist-info/WHEEL,sha256=8zNYZbwQSXoB9IfXOjPfeNwvAsALAjffgk27FqvCWbo,110 +Pykka-2.0.2.dist-info/top_level.txt,sha256=Xf5RIn3WblO67T1uO2zFkPA12CFNMlUzevb5eNqrc_E,6 +pykka/__init__.py,sha256=hLvsSdf1cHFEKHmKgySzUmGZuaRw0-XuLst-3uF5H8o,772 +pykka/__pycache__/__init__.cpython-37.pyc,, +pykka/__pycache__/_actor.cpython-37.pyc,, +pykka/__pycache__/_envelope.cpython-37.pyc,, +pykka/__pycache__/_exceptions.cpython-37.pyc,, +pykka/__pycache__/_future.cpython-37.pyc,, +pykka/__pycache__/_proxy.cpython-37.pyc,, +pykka/__pycache__/_ref.cpython-37.pyc,, +pykka/__pycache__/_registry.cpython-37.pyc,, +pykka/__pycache__/_threading.cpython-37.pyc,, +pykka/__pycache__/debug.cpython-37.pyc,, +pykka/__pycache__/eventlet.cpython-37.pyc,, +pykka/__pycache__/gevent.cpython-37.pyc,, +pykka/__pycache__/messages.cpython-37.pyc,, +pykka/_actor.py,sha256=uij2jPyOV0LmCN8wmTqPcOPkJxB00pWMYGx_gpRdAHU,12388 +pykka/_compat/__init__.py,sha256=4SVjOsf7daueyJWZsbK4FyQGDlidF_DADrMLQoB6m1c,870 +pykka/_compat/__pycache__/__init__.cpython-37.pyc,, +pykka/_compat/__pycache__/await_py3.cpython-37.pyc,, +pykka/_compat/await_py3.py,sha256=YGTNqd17xP9Z5zbhXnugToxDnnzlWC9coLtkQKh6YSY,134 +pykka/_envelope.py,sha256=ZzMVFoHO-Hon5WUkyIEufdAWz5JQnmbCM0FRP7Jws00,669 +pykka/_exceptions.py,sha256=iMwfs6ksm3Q7Rtp2YRFqD3446wr-BCGbPpwj9dbAEiI,244 +pykka/_future.py,sha256=gmyFODrnbiBIntk34FHqhVje4J2_koRyx6UAJsZAHE8,8592 +pykka/_proxy.py,sha256=VzZdDjsyfmOQTNXicrlpr7HIM3c2uxlS1Yva_Q7MDMY,11938 +pykka/_ref.py,sha256=CSDPAoOEYqXySbaqF_83TMNqmTzUkiMaCZFj200cuuc,5423 +pykka/_registry.py,sha256=4aUbla_aSyX8QSBYs_9B7z-xVCqgUwgkrdS_WCQMG2M,5335 +pykka/_threading.py,sha256=qJq553IbG3yzVmZ9F3K_jNydAoJth7kVNvO2QWwgWDU,3248 +pykka/debug.py,sha256=MJdGsnAirUXP2gxh1f4QWQSPEtNIzdND1Uu5K9yJAdc,2262 +pykka/eventlet.py,sha256=r7sxEswMGVutyTy-k9qYCh3SfSQnjM2Yz4Hhr8hNXCA,2572 +pykka/gevent.py,sha256=8HqYD7p4UJZsmCIvxmm0KnQzRAyHwwr0u7zNnmUymZk,2036 +pykka/messages.py,sha256=B55XhrPAf3Fti5hDc7jFcGlwtr-u0e201EAjXyorCxo,2562 diff --git a/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/WHEEL b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/WHEEL new file mode 100644 index 0000000..8b701e9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.33.6) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/top_level.txt new file mode 100644 index 0000000..85e0d3e --- /dev/null +++ b/venv/lib/python3.7/site-packages/Pykka-2.0.2.dist-info/top_level.txt @@ -0,0 +1 @@ +pykka diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/DESCRIPTION.rst b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/DESCRIPTION.rst new file mode 100644 index 0000000..0b0953d --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/DESCRIPTION.rst @@ -0,0 +1,50 @@ +Certifi: Python SSL Certificates +================================ + +`Certifi`_ is a carefully curated collection of Root Certificates for +validating the trustworthiness of SSL certificates while verifying the identity +of TLS hosts. It has been extracted from the `Requests`_ project. + +Installation +------------ + +``certifi`` is available on PyPI. Simply install it with ``pip``:: + + $ pip install certifi + +Usage +----- + +To reference the installed certificate authority (CA) bundle, you can use the +built-in function:: + + >>> import certifi + + >>> certifi.where() + '/usr/local/lib/python2.7/site-packages/certifi/cacert.pem' + +Or from the command line:: + + $ python -m certifi + /usr/local/lib/python2.7/site-packages/certifi/cacert.pem + +Enjoy! + +1024-bit Root Certificates +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Browsers and certificate authorities have concluded that 1024-bit keys are +unacceptably weak for certificates, particularly root certificates. For this +reason, Mozilla has removed any weak (i.e. 1024-bit key) certificate from its +bundle, replacing it with an equivalent strong (i.e. 2048-bit or greater key) +certificate from the same CA. Because Mozilla removed these certificates from +its bundle, ``certifi`` removed them as well. + +In previous versions, ``certifi`` provided the ``certifi.old_where()`` function +to intentionally re-add the 1024-bit roots back into your bundle. This was not +recommended in production and therefore was removed at the end of 2018. + +.. _`Certifi`: https://certifi.io/en/latest/ +.. _`Requests`: http://docs.python-requests.org/en/latest/ + + diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/METADATA b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/METADATA new file mode 100644 index 0000000..bc0532f --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/METADATA @@ -0,0 +1,74 @@ +Metadata-Version: 2.0 +Name: certifi +Version: 2019.11.28 +Summary: Python package for providing Mozilla's CA Bundle. +Home-page: https://certifi.io/ +Author: Kenneth Reitz +Author-email: me@kennethreitz.com +License: MPL-2.0 +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0) +Classifier: Natural Language :: English +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 + +Certifi: Python SSL Certificates +================================ + +`Certifi`_ is a carefully curated collection of Root Certificates for +validating the trustworthiness of SSL certificates while verifying the identity +of TLS hosts. It has been extracted from the `Requests`_ project. + +Installation +------------ + +``certifi`` is available on PyPI. Simply install it with ``pip``:: + + $ pip install certifi + +Usage +----- + +To reference the installed certificate authority (CA) bundle, you can use the +built-in function:: + + >>> import certifi + + >>> certifi.where() + '/usr/local/lib/python2.7/site-packages/certifi/cacert.pem' + +Or from the command line:: + + $ python -m certifi + /usr/local/lib/python2.7/site-packages/certifi/cacert.pem + +Enjoy! + +1024-bit Root Certificates +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Browsers and certificate authorities have concluded that 1024-bit keys are +unacceptably weak for certificates, particularly root certificates. For this +reason, Mozilla has removed any weak (i.e. 1024-bit key) certificate from its +bundle, replacing it with an equivalent strong (i.e. 2048-bit or greater key) +certificate from the same CA. Because Mozilla removed these certificates from +its bundle, ``certifi`` removed them as well. + +In previous versions, ``certifi`` provided the ``certifi.old_where()`` function +to intentionally re-add the 1024-bit roots back into your bundle. This was not +recommended in production and therefore was removed at the end of 2018. + +.. _`Certifi`: https://certifi.io/en/latest/ +.. _`Requests`: http://docs.python-requests.org/en/latest/ + + diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/RECORD b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/RECORD new file mode 100644 index 0000000..20931bd --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/RECORD @@ -0,0 +1,14 @@ +certifi-2019.11.28.dist-info/DESCRIPTION.rst,sha256=aLNHONztn2ZiBpSTivVFy6EDIWmuNYSsEQwx4NWbvB4,1580 +certifi-2019.11.28.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +certifi-2019.11.28.dist-info/METADATA,sha256=CnYsfjDpEJJMNgBGSD2v_WN-PS-g4ZmIt1aiZ8UiRiE,2523 +certifi-2019.11.28.dist-info/RECORD,, +certifi-2019.11.28.dist-info/WHEEL,sha256=5wvfB7GvgZAbKBSE9uX9Zbi6LCL-_KgezgHblXhCRnM,113 +certifi-2019.11.28.dist-info/metadata.json,sha256=9MSLVS0RruV3LnE_uHbsv6QHamn7Lq9GwQ_gZOrw4Mw,1023 +certifi-2019.11.28.dist-info/top_level.txt,sha256=KMu4vUCfsjLrkPbSNdgdekS-pVJzBAJFO__nI8NF6-U,8 +certifi/__init__.py,sha256=JVwzDhkMttyVVtfNDrU_i0v2a-WmtEBXq0Z8oz4Ghzk,52 +certifi/__main__.py,sha256=FiOYt1Fltst7wk9DRa6GCoBr8qBUxlNQu_MKJf04E6s,41 +certifi/__pycache__/__init__.cpython-37.pyc,, +certifi/__pycache__/__main__.cpython-37.pyc,, +certifi/__pycache__/core.cpython-37.pyc,, +certifi/cacert.pem,sha256=cyvv5Jx1gHACNEj2GaOrsIj0Tk8FmSvHR42uhzvlatg,281457 +certifi/core.py,sha256=EuFc2BsToG5O1-qsx4BSjQ1r1-7WRtH87b1WflZOWhI,218 diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/WHEEL b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/WHEEL new file mode 100644 index 0000000..7bf9daa --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.30.0.a0) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/metadata.json b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/metadata.json new file mode 100644 index 0000000..3a14841 --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/metadata.json @@ -0,0 +1 @@ +{"classifiers": ["Development Status :: 5 - Production/Stable", "Intended Audience :: Developers", "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)", "Natural Language :: English", "Programming Language :: Python", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.6", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: 3.6", "Programming Language :: Python :: 3.7"], "extensions": {"python.details": {"contacts": [{"email": "me@kennethreitz.com", "name": "Kenneth Reitz", "role": "author"}], "document_names": {"description": "DESCRIPTION.rst"}, "project_urls": {"Home": "https://certifi.io/"}}}, "generator": "bdist_wheel (0.30.0.a0)", "license": "MPL-2.0", "metadata_version": "2.0", "name": "certifi", "summary": "Python package for providing Mozilla's CA Bundle.", "version": "2019.11.28"} \ No newline at end of file diff --git a/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/top_level.txt new file mode 100644 index 0000000..963eac5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi-2019.11.28.dist-info/top_level.txt @@ -0,0 +1 @@ +certifi diff --git a/venv/lib/python3.7/site-packages/certifi/__init__.py b/venv/lib/python3.7/site-packages/certifi/__init__.py new file mode 100644 index 0000000..0d59a05 --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi/__init__.py @@ -0,0 +1,3 @@ +from .core import where + +__version__ = "2019.11.28" diff --git a/venv/lib/python3.7/site-packages/certifi/__main__.py b/venv/lib/python3.7/site-packages/certifi/__main__.py new file mode 100644 index 0000000..5f1da0d --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi/__main__.py @@ -0,0 +1,2 @@ +from certifi import where +print(where()) diff --git a/venv/lib/python3.7/site-packages/certifi/cacert.pem b/venv/lib/python3.7/site-packages/certifi/cacert.pem new file mode 100644 index 0000000..a4758ef --- /dev/null +++ b/venv/lib/python3.7/site-packages/certifi/cacert.pem @@ -0,0 +1,4602 @@ + +# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Label: "GlobalSign Root CA" +# Serial: 4835703278459707669005204 +# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a +# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c +# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99 +-----BEGIN CERTIFICATE----- +MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG +A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv +b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw +MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i +YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT +aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ +jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp +xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp +1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG +snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ +U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8 +9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E +BTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0B +AQUFAAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOz +yj1hTdNGCbM+w6DjY1Ub8rrvrTnhQ7k4o+YviiY776BQVvnGCv04zcQLcFGUl5gE +38NflNUVyRRBnMRddWQVDf9VMOyGj/8N7yy5Y0b2qvzfvGn9LhJIZJrglfCm7ymP +AbEVtQwdpf5pLGkkeB6zpxxxYu7KyJesF12KwvhHhm4qxFYxldBniYUr+WymXUad +DKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveCX4XSQRjbgbME +HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A== +-----END CERTIFICATE----- + +# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R2 +# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R2 +# Label: "GlobalSign Root CA - R2" +# Serial: 4835703278459682885658125 +# MD5 Fingerprint: 94:14:77:7e:3e:5e:fd:8f:30:bd:41:b0:cf:e7:d0:30 +# SHA1 Fingerprint: 75:e0:ab:b6:13:85:12:27:1c:04:f8:5f:dd:de:38:e4:b7:24:2e:fe +# SHA256 Fingerprint: ca:42:dd:41:74:5f:d0:b8:1e:b9:02:36:2c:f9:d8:bf:71:9d:a1:bd:1b:1e:fc:94:6f:5b:4c:99:f4:2c:1b:9e +-----BEGIN CERTIFICATE----- +MIIDujCCAqKgAwIBAgILBAAAAAABD4Ym5g0wDQYJKoZIhvcNAQEFBQAwTDEgMB4G +A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjIxEzARBgNVBAoTCkdsb2JhbFNp +Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMDYxMjE1MDgwMDAwWhcNMjExMjE1 +MDgwMDAwWjBMMSAwHgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMjETMBEG +A1UEChMKR2xvYmFsU2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjCCASIwDQYJKoZI +hvcNAQEBBQADggEPADCCAQoCggEBAKbPJA6+Lm8omUVCxKs+IVSbC9N/hHD6ErPL +v4dfxn+G07IwXNb9rfF73OX4YJYJkhD10FPe+3t+c4isUoh7SqbKSaZeqKeMWhG8 +eoLrvozps6yWJQeXSpkqBy+0Hne/ig+1AnwblrjFuTosvNYSuetZfeLQBoZfXklq +tTleiDTsvHgMCJiEbKjNS7SgfQx5TfC4LcshytVsW33hoCmEofnTlEnLJGKRILzd +C9XZzPnqJworc5HGnRusyMvo4KD0L5CLTfuwNhv2GXqF4G3yYROIXJ/gkwpRl4pa +zq+r1feqCapgvdzZX99yqWATXgAByUr6P6TqBwMhAo6CygPCm48CAwEAAaOBnDCB +mTAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUm+IH +V2ccHsBqBt5ZtJot39wZhi4wNgYDVR0fBC8wLTAroCmgJ4YlaHR0cDovL2NybC5n +bG9iYWxzaWduLm5ldC9yb290LXIyLmNybDAfBgNVHSMEGDAWgBSb4gdXZxwewGoG +3lm0mi3f3BmGLjANBgkqhkiG9w0BAQUFAAOCAQEAmYFThxxol4aR7OBKuEQLq4Gs +J0/WwbgcQ3izDJr86iw8bmEbTUsp9Z8FHSbBuOmDAGJFtqkIk7mpM0sYmsL4h4hO +291xNBrBVNpGP+DTKqttVCL1OmLNIG+6KYnX3ZHu01yiPqFbQfXf5WRDLenVOavS +ot+3i9DAgBkcRcAtjOj4LaR0VknFBbVPFd5uRHg5h6h+u/N5GJG79G+dwfCMNYxd +AfvDbbnvRG15RjF+Cv6pgsH/76tuIMRQyV+dTZsXjAzlAcmgQWpzU/qlULRuJQ/7 +TBj0/VLZjmmx6BEP3ojY+x1J96relc8geMJgEtslQIxq/H5COEBkEveegeGTLg== +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G3 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 1999 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G3 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 1999 VeriSign, Inc. - For authorized use only +# Label: "Verisign Class 3 Public Primary Certification Authority - G3" +# Serial: 206684696279472310254277870180966723415 +# MD5 Fingerprint: cd:68:b6:a7:c7:c4:ce:75:e0:1d:4f:57:44:61:92:09 +# SHA1 Fingerprint: 13:2d:0d:45:53:4b:69:97:cd:b2:d5:c3:39:e2:55:76:60:9b:5c:c6 +# SHA256 Fingerprint: eb:04:cf:5e:b1:f3:9a:fa:76:2f:2b:b1:20:f2:96:cb:a5:20:c1:b9:7d:b1:58:95:65:b8:1c:b9:a1:7b:72:44 +-----BEGIN CERTIFICATE----- +MIIEGjCCAwICEQCbfgZJoz5iudXukEhxKe9XMA0GCSqGSIb3DQEBBQUAMIHKMQsw +CQYDVQQGEwJVUzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZl +cmlTaWduIFRydXN0IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAxOTk5IFZlcmlTaWdu +LCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxRTBDBgNVBAMTPFZlcmlT +aWduIENsYXNzIDMgUHVibGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp +dHkgLSBHMzAeFw05OTEwMDEwMDAwMDBaFw0zNjA3MTYyMzU5NTlaMIHKMQswCQYD +VQQGEwJVUzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZlcmlT +aWduIFRydXN0IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAxOTk5IFZlcmlTaWduLCBJ +bmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxRTBDBgNVBAMTPFZlcmlTaWdu +IENsYXNzIDMgUHVibGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkg +LSBHMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMu6nFL8eB8aHm8b +N3O9+MlrlBIwT/A2R/XQkQr1F8ilYcEWQE37imGQ5XYgwREGfassbqb1EUGO+i2t +KmFZpGcmTNDovFJbcCAEWNF6yaRpvIMXZK0Fi7zQWM6NjPXr8EJJC52XJ2cybuGu +kxUccLwgTS8Y3pKI6GyFVxEa6X7jJhFUokWWVYPKMIno3Nij7SqAP395ZVc+FSBm +CC+Vk7+qRy+oRpfwEuL+wgorUeZ25rdGt+INpsyow0xZVYnm6FNcHOqd8GIWC6fJ +Xwzw3sJ2zq/3avL6QaaiMxTJ5Xpj055iN9WFZZ4O5lMkdBteHRJTW8cs54NJOxWu +imi5V5cCAwEAATANBgkqhkiG9w0BAQUFAAOCAQEAERSWwauSCPc/L8my/uRan2Te +2yFPhpk0djZX3dAVL8WtfxUfN2JzPtTnX84XA9s1+ivbrmAJXx5fj267Cz3qWhMe +DGBvtcC1IyIuBwvLqXTLR7sdwdela8wv0kL9Sd2nic9TutoAWii/gt/4uhMdUIaC +/Y4wjylGsB49Ndo4YhYYSq3mtlFs3q9i6wHQHiT+eo8SGhJouPtmmRQURVyu565p +F4ErWjfJXir0xuKhXFSbplQAz/DxwceYMBo7Nhbbo27q/a2ywtrvAkcTisDxszGt +TxzhT5yvDwyd93gN2PQ1VoDat20Xj50egWTh/sVFuq1ruQp6Tk9LhO5L8X3dEQ== +-----END CERTIFICATE----- + +# Issuer: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Label: "Entrust.net Premium 2048 Secure Server CA" +# Serial: 946069240 +# MD5 Fingerprint: ee:29:31:bc:32:7e:9a:e6:e8:b5:f7:51:b4:34:71:90 +# SHA1 Fingerprint: 50:30:06:09:1d:97:d4:f5:ae:39:f7:cb:e7:92:7d:7d:65:2d:34:31 +# SHA256 Fingerprint: 6d:c4:71:72:e0:1c:bc:b0:bf:62:58:0d:89:5f:e2:b8:ac:9a:d4:f8:73:80:1e:0c:10:b9:c8:37:d2:1e:b1:77 +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIEOGPe+DANBgkqhkiG9w0BAQUFADCBtDEUMBIGA1UEChML +RW50cnVzdC5uZXQxQDA+BgNVBAsUN3d3dy5lbnRydXN0Lm5ldC9DUFNfMjA0OCBp +bmNvcnAuIGJ5IHJlZi4gKGxpbWl0cyBsaWFiLikxJTAjBgNVBAsTHChjKSAxOTk5 +IEVudHJ1c3QubmV0IExpbWl0ZWQxMzAxBgNVBAMTKkVudHJ1c3QubmV0IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5ICgyMDQ4KTAeFw05OTEyMjQxNzUwNTFaFw0yOTA3 +MjQxNDE1MTJaMIG0MRQwEgYDVQQKEwtFbnRydXN0Lm5ldDFAMD4GA1UECxQ3d3d3 +LmVudHJ1c3QubmV0L0NQU18yMDQ4IGluY29ycC4gYnkgcmVmLiAobGltaXRzIGxp +YWIuKTElMCMGA1UECxMcKGMpIDE5OTkgRW50cnVzdC5uZXQgTGltaXRlZDEzMDEG 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CyberTrust Root O=Baltimore OU=CyberTrust +# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Label: "Baltimore CyberTrust Root" +# Serial: 33554617 +# MD5 Fingerprint: ac:b6:94:a5:9c:17:e0:d7:91:52:9b:b1:97:06:a6:e4 +# SHA1 Fingerprint: d4:de:20:d0:5e:66:fc:53:fe:1a:50:88:2c:78:db:28:52:ca:e4:74 +# SHA256 Fingerprint: 16:af:57:a9:f6:76:b0:ab:12:60:95:aa:5e:ba:de:f2:2a:b3:11:19:d6:44:ac:95:cd:4b:93:db:f3:f2:6a:eb +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ +RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD +VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX +DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y +ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy +VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr +mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr +IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK 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1d:35:54:04:85:78:b0:3f:42:42:4d:bf:20:73:0a:3f +# SHA1 Fingerprint: 02:fa:f3:e2:91:43:54:68:60:78:57:69:4d:f5:e4:5b:68:85:18:68 +# SHA256 Fingerprint: 68:7f:a4:51:38:22:78:ff:f0:c8:b1:1f:8d:43:d5:76:67:1c:6e:b2:bc:ea:b4:13:fb:83:d9:65:d0:6d:2f:f2 +-----BEGIN CERTIFICATE----- +MIIENjCCAx6gAwIBAgIBATANBgkqhkiG9w0BAQUFADBvMQswCQYDVQQGEwJTRTEU +MBIGA1UEChMLQWRkVHJ1c3QgQUIxJjAkBgNVBAsTHUFkZFRydXN0IEV4dGVybmFs +IFRUUCBOZXR3b3JrMSIwIAYDVQQDExlBZGRUcnVzdCBFeHRlcm5hbCBDQSBSb290 +MB4XDTAwMDUzMDEwNDgzOFoXDTIwMDUzMDEwNDgzOFowbzELMAkGA1UEBhMCU0Ux +FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5h +bCBUVFAgTmV0d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9v +dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALf3GjPm8gAELTngTlvt +H7xsD821+iO2zt6bETOXpClMfZOfvUq8k+0DGuOPz+VtUFrWlymUWoCwSXrbLpX9 +uMq/NzgtHj6RQa1wVsfwTz/oMp50ysiQVOnGXw94nZpAPA6sYapeFI+eh6FqUNzX +mk6vBbOmcZSccbNQYArHE504B4YCqOmoaSYYkKtMsE8jqzpPhNjfzp/haW+710LX 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OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Label: "Entrust Root Certification Authority" +# Serial: 1164660820 +# MD5 Fingerprint: d6:a5:c3:ed:5d:dd:3e:00:c1:3d:87:92:1f:1d:3f:e4 +# SHA1 Fingerprint: b3:1e:b1:b7:40:e3:6c:84:02:da:dc:37:d4:4d:f5:d4:67:49:52:f9 +# SHA256 Fingerprint: 73:c1:76:43:4f:1b:c6:d5:ad:f4:5b:0e:76:e7:27:28:7c:8d:e5:76:16:c1:e6:e6:14:1a:2b:2c:bc:7d:8e:4c +-----BEGIN CERTIFICATE----- +MIIEkTCCA3mgAwIBAgIERWtQVDANBgkqhkiG9w0BAQUFADCBsDELMAkGA1UEBhMC +VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 +Lm5ldC9DUFMgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW +KGMpIDIwMDYgRW50cnVzdCwgSW5jLjEtMCsGA1UEAxMkRW50cnVzdCBSb290IENl +cnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA2MTEyNzIwMjM0MloXDTI2MTEyNzIw +NTM0MlowgbAxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMTkw +NwYDVQQLEzB3d3cuZW50cnVzdC5uZXQvQ1BTIGlzIGluY29ycG9yYXRlZCBieSBy +ZWZlcmVuY2UxHzAdBgNVBAsTFihjKSAyMDA2IEVudHJ1c3QsIEluYy4xLTArBgNV 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Label: "QuoVadis Root CA" +# Serial: 985026699 +# MD5 Fingerprint: 27:de:36:fe:72:b7:00:03:00:9d:f4:f0:1e:6c:04:24 +# SHA1 Fingerprint: de:3f:40:bd:50:93:d3:9b:6c:60:f6:da:bc:07:62:01:00:89:76:c9 +# SHA256 Fingerprint: a4:5e:de:3b:bb:f0:9c:8a:e1:5c:72:ef:c0:72:68:d6:93:a2:1c:99:6f:d5:1e:67:ca:07:94:60:fd:6d:88:73 +-----BEGIN CERTIFICATE----- +MIIF0DCCBLigAwIBAgIEOrZQizANBgkqhkiG9w0BAQUFADB/MQswCQYDVQQGEwJC +TTEZMBcGA1UEChMQUXVvVmFkaXMgTGltaXRlZDElMCMGA1UECxMcUm9vdCBDZXJ0 +aWZpY2F0aW9uIEF1dGhvcml0eTEuMCwGA1UEAxMlUXVvVmFkaXMgUm9vdCBDZXJ0 +aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wMTAzMTkxODMzMzNaFw0yMTAzMTcxODMz +MzNaMH8xCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBMaW1pdGVkMSUw +IwYDVQQLExxSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MS4wLAYDVQQDEyVR +dW9WYWRpcyBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG +9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2G1lVO6V/z68mcLOhrfEYBklbTRvM16z/Yp +li4kVEAkOPcahdxYTMukJ0KX0J+DisPkBgNbAKVRHnAEdOLB1Dqr1607BxgFjv2D 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Trust.net OU=Security Communication RootCA1 +# Label: "Security Communication Root CA" +# Serial: 0 +# MD5 Fingerprint: f1:bc:63:6a:54:e0:b5:27:f5:cd:e7:1a:e3:4d:6e:4a +# SHA1 Fingerprint: 36:b1:2b:49:f9:81:9e:d7:4c:9e:bc:38:0f:c6:56:8f:5d:ac:b2:f7 +# SHA256 Fingerprint: e7:5e:72:ed:9f:56:0e:ec:6e:b4:80:00:73:a4:3f:c3:ad:19:19:5a:39:22:82:01:78:95:97:4a:99:02:6b:6c +-----BEGIN CERTIFICATE----- +MIIDWjCCAkKgAwIBAgIBADANBgkqhkiG9w0BAQUFADBQMQswCQYDVQQGEwJKUDEY +MBYGA1UEChMPU0VDT00gVHJ1c3QubmV0MScwJQYDVQQLEx5TZWN1cml0eSBDb21t +dW5pY2F0aW9uIFJvb3RDQTEwHhcNMDMwOTMwMDQyMDQ5WhcNMjMwOTMwMDQyMDQ5 +WjBQMQswCQYDVQQGEwJKUDEYMBYGA1UEChMPU0VDT00gVHJ1c3QubmV0MScwJQYD +VQQLEx5TZWN1cml0eSBDb21tdW5pY2F0aW9uIFJvb3RDQTEwggEiMA0GCSqGSIb3 +DQEBAQUAA4IBDwAwggEKAoIBAQCzs/5/022x7xZ8V6UMbXaKL0u/ZPtM7orw8yl8 +9f/uKuDp6bpbZCKamm8sOiZpUQWZJtzVHGpxxpp9Hp3dfGzGjGdnSj74cbAZJ6kJ +DKaVv0uMDPpVmDvY6CKhS3E4eayXkmmziX7qIWgGmBSWh9JhNrxtJ1aeV+7AwFb9 +Ms+k2Y7CI9eNqPPYJayX5HA49LY6tJ07lyZDo6G8SVlyTCMwhwFY9k6+HGhWZq/N 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OU=Go Daddy Class 2 Certification Authority +# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority +# Label: "Go Daddy Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 91:de:06:25:ab:da:fd:32:17:0c:bb:25:17:2a:84:67 +# SHA1 Fingerprint: 27:96:ba:e6:3f:18:01:e2:77:26:1b:a0:d7:77:70:02:8f:20:ee:e4 +# SHA256 Fingerprint: c3:84:6b:f2:4b:9e:93:ca:64:27:4c:0e:c6:7c:1e:cc:5e:02:4f:fc:ac:d2:d7:40:19:35:0e:81:fe:54:6a:e4 +-----BEGIN CERTIFICATE----- +MIIEADCCAuigAwIBAgIBADANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEh +MB8GA1UEChMYVGhlIEdvIERhZGR5IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBE +YWRkeSBDbGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA0MDYyOTE3 +MDYyMFoXDTM0MDYyOTE3MDYyMFowYzELMAkGA1UEBhMCVVMxITAfBgNVBAoTGFRo +ZSBHbyBEYWRkeSBHcm91cCwgSW5jLjExMC8GA1UECxMoR28gRGFkZHkgQ2xhc3Mg +MiBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTCCASAwDQYJKoZIhvcNAQEBBQADggEN +ADCCAQgCggEBAN6d1+pXGEmhW+vXX0iG6r7d/+TvZxz0ZWizV3GgXne77ZtJ6XCA +PVYYYwhv2vLM0D9/AlQiVBDYsoHUwHU9S3/Hd8M+eKsaA7Ugay9qK7HFiH7Eux6w +wdhFJ2+qN1j3hybX2C32qRe3H3I2TqYXP2WYktsqbl2i/ojgC95/5Y0V4evLOtXi +EqITLdiOr18SPaAIBQi2XKVlOARFmR6jYGB0xUGlcmIbYsUfb18aQr4CUWWoriMY +avx4A6lNf4DD+qta/KFApMoZFv6yyO9ecw3ud72a9nmYvLEHZ6IVDd2gWMZEewo+ +YihfukEHU1jPEX44dMX4/7VpkI+EdOqXG68CAQOjgcAwgb0wHQYDVR0OBBYEFNLE +sNKR1EwRcbNhyz2h/t2oatTjMIGNBgNVHSMEgYUwgYKAFNLEsNKR1EwRcbNhyz2h +/t2oatTjoWekZTBjMQswCQYDVQQGEwJVUzEhMB8GA1UEChMYVGhlIEdvIERhZGR5 +IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBEYWRkeSBDbGFzcyAyIENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQAD +ggEBADJL87LKPpH8EsahB4yOd6AzBhRckB4Y9wimPQoZ+YeAEW5p5JYXMP80kWNy +OO7MHAGjHZQopDH2esRU1/blMVgDoszOYtuURXO1v0XJJLXVggKtI3lpjbi2Tc7P +TMozI+gciKqdi0FuFskg5YmezTvacPd+mSYgFFQlq25zheabIZ0KbIIOqPjCDPoQ +HmyW74cNxA9hi63ugyuV+I6ShHI56yDqg+2DzZduCLzrTia2cyvk0/ZM/iZx4mER +dEr/VxqHD3VILs9RaRegAhJhldXRQLIQTO7ErBBDpqWeCtWVYpoNz4iCxTIM5Cuf +ReYNnyicsbkqWletNw+vHX/bvZ8= +-----END CERTIFICATE----- + +# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Label: "Starfield Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 32:4a:4b:bb:c8:63:69:9b:be:74:9a:c6:dd:1d:46:24 +# SHA1 Fingerprint: ad:7e:1c:28:b0:64:ef:8f:60:03:40:20:14:c3:d0:e3:37:0e:b5:8a +# SHA256 Fingerprint: 14:65:fa:20:53:97:b8:76:fa:a6:f0:a9:95:8e:55:90:e4:0f:cc:7f:aa:4f:b7:c2:c8:67:75:21:fb:5f:b6:58 +-----BEGIN CERTIFICATE----- +MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl +MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp +U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw +NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE +ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp +ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3 +DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf +8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN ++lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0 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GRCA" +# Serial: 42023070807708724159991140556527066870 +# MD5 Fingerprint: 37:85:44:53:32:45:1f:20:f0:f3:95:e1:25:c4:43:4e +# SHA1 Fingerprint: f4:8b:11:bf:de:ab:be:94:54:20:71:e6:41:de:6b:be:88:2b:40:b9 +# SHA256 Fingerprint: 76:00:29:5e:ef:e8:5b:9e:1f:d6:24:db:76:06:2a:aa:ae:59:81:8a:54:d2:77:4c:d4:c0:b2:c0:11:31:e1:b3 +-----BEGIN CERTIFICATE----- +MIIFcjCCA1qgAwIBAgIQH51ZWtcvwgZEpYAIaeNe9jANBgkqhkiG9w0BAQUFADA/ +MQswCQYDVQQGEwJUVzEwMC4GA1UECgwnR292ZXJubWVudCBSb290IENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5MB4XDTAyMTIwNTEzMjMzM1oXDTMyMTIwNTEzMjMzM1ow +PzELMAkGA1UEBhMCVFcxMDAuBgNVBAoMJ0dvdmVybm1lbnQgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB +AJoluOzMonWoe/fOW1mKydGGEghU7Jzy50b2iPN86aXfTEc2pBsBHH8eV4qNw8XR +IePaJD9IK/ufLqGU5ywck9G/GwGHU5nOp/UKIXZ3/6m3xnOUT0b3EEk3+qhZSV1q +gQdW8or5BtD3cCJNtLdBuTK4sfCxw5w/cP1T3YGq2GN49thTbqGsaoQkclSGxtKy +yhwOeYHWtXBiCAEuTk8O1RGvqa/lmr/czIdtJuTJV6L7lvnM4T9TjGxMfptTCAts 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G2" +# Serial: 13492815561806991280 +# MD5 Fingerprint: 24:77:d9:a8:91:d1:3b:fa:88:2d:c2:ff:f8:cd:33:93 +# SHA1 Fingerprint: d8:c5:38:8a:b7:30:1b:1b:6e:d4:7a:e6:45:25:3a:6f:9f:1a:27:61 +# SHA256 Fingerprint: 62:dd:0b:e9:b9:f5:0a:16:3e:a0:f8:e7:5c:05:3b:1e:ca:57:ea:55:c8:68:8f:64:7c:68:81:f2:c8:35:7b:95 +-----BEGIN CERTIFICATE----- +MIIFujCCA6KgAwIBAgIJALtAHEP1Xk+wMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV +BAYTAkNIMRUwEwYDVQQKEwxTd2lzc1NpZ24gQUcxHzAdBgNVBAMTFlN3aXNzU2ln +biBHb2xkIENBIC0gRzIwHhcNMDYxMDI1MDgzMDM1WhcNMzYxMDI1MDgzMDM1WjBF +MQswCQYDVQQGEwJDSDEVMBMGA1UEChMMU3dpc3NTaWduIEFHMR8wHQYDVQQDExZT +d2lzc1NpZ24gR29sZCBDQSAtIEcyMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC +CgKCAgEAr+TufoskDhJuqVAtFkQ7kpJcyrhdhJJCEyq8ZVeCQD5XJM1QiyUqt2/8 +76LQwB8CJEoTlo8jE+YoWACjR8cGp4QjK7u9lit/VcyLwVcfDmJlD909Vopz2q5+ +bbqBHH5CjCA12UNNhPqE21Is8w4ndwtrvxEvcnifLtg+5hg3Wipy+dpikJKVyh+c +6bM8K8vzARO/Ws/BtQpgvd21mWRTuKCWs2/iJneRjOBiEAKfNA+k1ZIzUd6+jbqE +emA8atufK+ze3gE/bk3lUIbLtK/tREDFylqM2tIrfKjuvqblCqoOpd8FUrdVxyJd 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+# Issuer: CN=GeoTrust Primary Certification Authority O=GeoTrust Inc. +# Subject: CN=GeoTrust Primary Certification Authority O=GeoTrust Inc. +# Label: "GeoTrust Primary Certification Authority" +# Serial: 32798226551256963324313806436981982369 +# MD5 Fingerprint: 02:26:c3:01:5e:08:30:37:43:a9:d0:7d:cf:37:e6:bf +# SHA1 Fingerprint: 32:3c:11:8e:1b:f7:b8:b6:52:54:e2:e2:10:0d:d6:02:90:37:f0:96 +# SHA256 Fingerprint: 37:d5:10:06:c5:12:ea:ab:62:64:21:f1:ec:8c:92:01:3f:c5:f8:2a:e9:8e:e5:33:eb:46:19:b8:de:b4:d0:6c +-----BEGIN CERTIFICATE----- +MIIDfDCCAmSgAwIBAgIQGKy1av1pthU6Y2yv2vrEoTANBgkqhkiG9w0BAQUFADBY +MQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjExMC8GA1UEAxMo +R2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wNjEx +MjcwMDAwMDBaFw0zNjA3MTYyMzU5NTlaMFgxCzAJBgNVBAYTAlVTMRYwFAYDVQQK +Ew1HZW9UcnVzdCBJbmMuMTEwLwYDVQQDEyhHZW9UcnVzdCBQcmltYXJ5IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC 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OU=Certification Services Division/(c) 2006 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA O=thawte, Inc. OU=Certification Services Division/(c) 2006 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA" +# Serial: 69529181992039203566298953787712940909 +# MD5 Fingerprint: 8c:ca:dc:0b:22:ce:f5:be:72:ac:41:1a:11:a8:d8:12 +# SHA1 Fingerprint: 91:c6:d6:ee:3e:8a:c8:63:84:e5:48:c2:99:29:5c:75:6c:81:7b:81 +# SHA256 Fingerprint: 8d:72:2f:81:a9:c1:13:c0:79:1d:f1:36:a2:96:6d:b2:6c:95:0a:97:1d:b4:6b:41:99:f4:ea:54:b7:8b:fb:9f +-----BEGIN CERTIFICATE----- +MIIEIDCCAwigAwIBAgIQNE7VVyDV7exJ9C/ON9srbTANBgkqhkiG9w0BAQUFADCB +qTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMf +Q2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIw +MDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxHzAdBgNV +BAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwHhcNMDYxMTE3MDAwMDAwWhcNMzYw +NzE2MjM1OTU5WjCBqTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5j +LjEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYG +A1UECxMvKGMpIDIwMDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNl +IG9ubHkxHzAdBgNVBAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwggEiMA0GCSqG +SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCsoPD7gFnUnMekz52hWXMJEEUMDSxuaPFs +W0hoSVk3/AszGcJ3f8wQLZU0HObrTQmnHNK4yZc2AreJ1CRfBsDMRJSUjQJib+ta +3RGNKJpchJAQeg29dGYvajig4tVUROsdB58Hum/u6f1OCyn1PoSgAfGcq/gcfomk +6KHYcWUNo1F77rzSImANuVud37r8UVsLr5iy6S7pBOhih94ryNdOwUxkHt3Ph1i6 +Sk/KaAcdHJ1KxtUvkcx8cXIcxcBn6zL9yZJclNqFwJu/U30rCfSMnZEfl2pSy94J +NqR32HuHUETVPm4pafs5SSYeCaWAe0At6+gnhcn+Yf1+5nyXHdWdAgMBAAGjQjBA +MA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMB0GA1UdDgQWBBR7W0XP +r87Lev0xkhpqtvNG61dIUDANBgkqhkiG9w0BAQUFAAOCAQEAeRHAS7ORtvzw6WfU +DW5FvlXok9LOAz/t2iWwHVfLHjp2oEzsUHboZHIMpKnxuIvW1oeEuzLlQRHAd9mz +YJ3rG9XRbkREqaYB7FViHXe4XI5ISXycO1cRrK1zN44veFyQaEfZYGDm/Ac9IiAX +xPcW6cTYcvnIc3zfFi8VqT79aie2oetaupgf1eNNZAqdE8hhuvU5HIe6uL17In/2 +/qxAeeWsEG89jxt5dovEN7MhGITlNgDrYyCZuen+MwS7QcjBAvlEYyCegc5C09Y/ +LHbTY5xZ3Y+m4Q6gLkH3LpVHz7z9M/P2C2F+fpErgUfCJzDupxBdN49cOSvkBPB7 +jVaMaA== +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G5 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2006 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G5 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2006 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Class 3 Public Primary Certification Authority - G5" +# Serial: 33037644167568058970164719475676101450 +# MD5 Fingerprint: cb:17:e4:31:67:3e:e2:09:fe:45:57:93:f3:0a:fa:1c +# SHA1 Fingerprint: 4e:b6:d5:78:49:9b:1c:cf:5f:58:1e:ad:56:be:3d:9b:67:44:a5:e5 +# SHA256 Fingerprint: 9a:cf:ab:7e:43:c8:d8:80:d0:6b:26:2a:94:de:ee:e4:b4:65:99:89:c3:d0:ca:f1:9b:af:64:05:e4:1a:b7:df +-----BEGIN CERTIFICATE----- +MIIE0zCCA7ugAwIBAgIQGNrRniZ96LtKIVjNzGs7SjANBgkqhkiG9w0BAQUFADCB +yjELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL +ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNiBWZXJp +U2lnbiwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxW +ZXJpU2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0 +aG9yaXR5IC0gRzUwHhcNMDYxMTA4MDAwMDAwWhcNMzYwNzE2MjM1OTU5WjCByjEL +MAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZW 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CERTIFICATE----- + +# Issuer: CN=COMODO Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO Certification Authority O=COMODO CA Limited +# Label: "COMODO Certification Authority" +# Serial: 104350513648249232941998508985834464573 +# MD5 Fingerprint: 5c:48:dc:f7:42:72:ec:56:94:6d:1c:cc:71:35:80:75 +# SHA1 Fingerprint: 66:31:bf:9e:f7:4f:9e:b6:c9:d5:a6:0c:ba:6a:be:d1:f7:bd:ef:7b +# SHA256 Fingerprint: 0c:2c:d6:3d:f7:80:6f:a3:99:ed:e8:09:11:6b:57:5b:f8:79:89:f0:65:18:f9:80:8c:86:05:03:17:8b:af:66 +-----BEGIN CERTIFICATE----- +MIIEHTCCAwWgAwIBAgIQToEtioJl4AsC7j41AkblPTANBgkqhkiG9w0BAQUFADCB +gTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxJzAlBgNV +BAMTHkNPTU9ETyBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wNjEyMDEwMDAw +MDBaFw0yOTEyMzEyMzU5NTlaMIGBMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3Jl +YXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01P 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OU=ePKI Root Certification Authority +# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority +# Label: "ePKI Root Certification Authority" +# Serial: 28956088682735189655030529057352760477 +# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3 +# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0 +# SHA256 Fingerprint: c0:a6:f4:dc:63:a2:4b:fd:cf:54:ef:2a:6a:08:2a:0a:72:de:35:80:3e:2f:f5:ff:52:7a:e5:d8:72:06:df:d5 +-----BEGIN CERTIFICATE----- +MIIFsDCCA5igAwIBAgIQFci9ZUdcr7iXAF7kBtK8nTANBgkqhkiG9w0BAQUFADBe +MQswCQYDVQQGEwJUVzEjMCEGA1UECgwaQ2h1bmdod2EgVGVsZWNvbSBDby4sIEx0 +ZC4xKjAoBgNVBAsMIWVQS0kgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wNDEyMjAwMjMxMjdaFw0zNDEyMjAwMjMxMjdaMF4xCzAJBgNVBAYTAlRXMSMw +IQYDVQQKDBpDaHVuZ2h3YSBUZWxlY29tIENvLiwgTHRkLjEqMCgGA1UECwwhZVBL +SSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA4SUP7o3biDN1Z82tH306Tm2d0y8U82N0ywEhajfqhFAH +SyZbCUNsIZ5qyNUD9WBpj8zwIuQf5/dqIjG3LBXy4P4AakP/h2XGtRrBp0xtInAh +ijHyl3SJCRImHJ7K2RKilTza6We/CKBk49ZCt0Xvl/T29de1ShUCWH2YWEtgvM3X +DZoTM1PRYfl61dd4s5oz9wCGzh1NlDivqOx4UXCKXBCDUSH3ET00hl7lSM2XgYI1 +TBnsZfZrxQWh7kcT1rMhJ5QQCtkkO7q+RBNGMD+XPNjX12ruOzjjK9SXDrkb5wdJ +fzcq+Xd4z1TtW0ado4AOkUPB1ltfFLqfpo0kR0BZv3I4sjZsN/+Z0V0OWQqraffA +sgRFelQArr5T9rXn4fg8ozHSqf4hUmTFpmfwdQcGlBSBVcYn5AGPF8Fqcde+S/uU +WH1+ETOxQvdibBjWzwloPn9s9h6PYq2lY9sJpx8iQkEeb5mKPtf5P0B6ebClAZLS +nT0IFaUQAS2zMnaolQ2zepr7BxB4EW/hj8e6DyUadCrlHJhBmd8hh+iVBmoKs2pH +dmX2Os+PYhcZewoozRrSgx4hxyy/vv9haLdnG7t4TY3OZ+XkwY63I2binZB1NJip +NiuKmpS5nezMirH4JYlcWrYvjB9teSSnUmjDhDXiZo1jDiVN1Rmy5nk3pyKdVDEC +AwEAAaNqMGgwHQYDVR0OBBYEFB4M97Zn8uGSJglFwFU5Lnc/QkqiMAwGA1UdEwQF +MAMBAf8wOQYEZyoHAAQxMC8wLQIBADAJBgUrDgMCGgUAMAcGBWcqAwAABBRFsMLH +ClZ87lt4DJX5GFPBphzYEDANBgkqhkiG9w0BAQUFAAOCAgEACbODU1kBPpVJufGB +uvl2ICO1J2B01GqZNF5sAFPZn/KmsSQHRGoqxqWOeBLoR9lYGxMqXnmbnwoqZ6Yl +PwZpVnPDimZI+ymBV3QGypzqKOg4ZyYr8dW1P2WT+DZdjo2NQCCHGervJ8A9tDkP +JXtoUHRVnAxZfVo9QZQlUgjgRywVMRnVvwdVxrsStZf0X4OFunHB2WyBEXYKCrC/ +gpf36j36+uwtqSiUO1bd0lEursC9CBWMd1I0ltabrNMdjmEPNXubrjlpC2JgQCA2 +j6/7Nu4tCEoduL+bXPjqpRugc6bY+G7gMwRfaKonh+3ZwZCc7b3jajWvY9+rGNm6 +5ulK6lCKD2GTHuItGeIwlDWSXQ62B68ZgI9HkFFLLk3dheLSClIKF5r8GrBQAuUB +o2M3IUxExJtRmREOc5wGj1QupyheRDmHVi03vYVElOEMSyycw5KFNGHLD7ibSkNS +/jQ6fbjpKdx2qcgw+BRxgMYeNkh0IkFch4LoGHGLQYlE535YW6i4jRPpp2zDR+2z +Gp1iro2C6pSe3VkQw63d4k3jMdXH7OjysP6SHhYKGvzZ8/gntsm+HbRsZJB/9OTE +W9c3rkIO3aQab3yIVMUWbuF6aC74Or8NpDyJO3inTmODBCEIZ43ygknQW/2xzQ+D +hNQ+IIX3Sj0rnP0qCglN6oH4EZw= +-----END CERTIFICATE----- + +# Issuer: O=certSIGN OU=certSIGN ROOT CA +# Subject: O=certSIGN OU=certSIGN ROOT CA +# Label: "certSIGN ROOT CA" +# Serial: 35210227249154 +# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17 +# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b +# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb +-----BEGIN CERTIFICATE----- +MIIDODCCAiCgAwIBAgIGIAYFFnACMA0GCSqGSIb3DQEBBQUAMDsxCzAJBgNVBAYT +AlJPMREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBD +QTAeFw0wNjA3MDQxNzIwMDRaFw0zMTA3MDQxNzIwMDRaMDsxCzAJBgNVBAYTAlJP +MREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBDQTCC +ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALczuX7IJUqOtdu0KBuqV5Do +0SLTZLrTk+jUrIZhQGpgV2hUhE28alQCBf/fm5oqrl0Hj0rDKH/v+yv6efHHrfAQ +UySQi2bJqIirr1qjAOm+ukbuW3N7LBeCgV5iLKECZbO9xSsAfsT8AzNXDe3i+s5d +RdY4zTW2ssHQnIFKquSyAVwdj1+ZxLGt24gh65AIgoDzMKND5pCCrlUoSe1b16kQ +OA7+j0xbm0bqQfWwCHTD0IgztnzXdN/chNFDDnU5oSVAKOp4yw4sLjmdjItuFhwv +JoIQ4uNllAoEwF73XVv4EOLQunpL+943AAAaWyjj0pxzPjKHmKHJUS/X3qwzs08C +AwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAcYwHQYDVR0O +BBYEFOCMm9slSbPxfIbWskKHC9BroNnkMA0GCSqGSIb3DQEBBQUAA4IBAQA+0hyJ +LjX8+HXd5n9liPRyTMks1zJO890ZeUe9jjtbkw9QSSQTaxQGcu8J06Gh40CEyecY +MnQ8SG4Pn0vU9x7Tk4ZkVJdjclDVVc/6IJMCopvDI5NOFlV2oHB5bc0hH88vLbwZ +44gx+FkagQnIl6Z0x2DEW8xXjrJ1/RsCCdtZb3KTafcxQdaIOL+Hsr0Wefmq5L6I +Jd1hJyMctTEHBDa0GpC9oHRxUIltvBTjD4au8as+x6AJzKNI0eDbZOeStc+vckNw +i/nDhDwTqn6Sm1dTk/pwwpEOMfmbZ13pljheX7NzTogVZ96edhBiIL5VaZVDADlN +9u6wWk5JRFRYX0KD +-----END CERTIFICATE----- + +# Issuer: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only +# Subject: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only +# Label: "GeoTrust Primary Certification Authority - G3" +# Serial: 28809105769928564313984085209975885599 +# MD5 Fingerprint: b5:e8:34:36:c9:10:44:58:48:70:6d:2e:83:d4:b8:05 +# SHA1 Fingerprint: 03:9e:ed:b8:0b:e7:a0:3c:69:53:89:3b:20:d2:d9:32:3a:4c:2a:fd +# SHA256 Fingerprint: b4:78:b8:12:25:0d:f8:78:63:5c:2a:a7:ec:7d:15:5e:aa:62:5e:e8:29:16:e2:cd:29:43:61:88:6c:d1:fb:d4 +-----BEGIN CERTIFICATE----- +MIID/jCCAuagAwIBAgIQFaxulBmyeUtB9iepwxgPHzANBgkqhkiG9w0BAQsFADCB +mDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUdlb1RydXN0IEluYy4xOTA3BgNVBAsT +MChjKSAyMDA4IEdlb1RydXN0IEluYy4gLSBGb3IgYXV0aG9yaXplZCB1c2Ugb25s +eTE2MDQGA1UEAxMtR2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhv +cml0eSAtIEczMB4XDTA4MDQwMjAwMDAwMFoXDTM3MTIwMTIzNTk1OVowgZgxCzAJ +BgNVBAYTAlVTMRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMTkwNwYDVQQLEzAoYykg +MjAwOCBHZW9UcnVzdCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxNjA0 +BgNVBAMTLUdlb1RydXN0IFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkg +LSBHMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANziXmJYHTNXOTIz ++uvLh4yn1ErdBojqZI4xmKU4kB6Yzy5jK/BGvESyiaHAKAxJcCGVn2TAppMSAmUm +hsalifD614SgcK9PGpc/BkTVyetyEH3kMSj7HGHmKAdEc5IiaacDiGydY8hS2pgn +5whMcD60yRLBxWeDXTPzAxHsatBT4tG6NmCUgLthY2xbF37fQJQeqw3CIShwiP/W +JmxsYAQlTlV+fe+/lEjetx3dcI0FX4ilm/LC7urRQEFtYjgdVgbFA0dRIBn8exAL +DmKudlW/X3e+PkkBUz2YJQN2JFodtNuJ6nnltrM7P7pMKEF/BqxqjsHQ9gUdfeZC +huOl1UcCAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYw +HQYDVR0OBBYEFMR5yo6hTgMdHNxr2zFblD4/MH8tMA0GCSqGSIb3DQEBCwUAA4IB +AQAtxRPPVoB7eni9n64smefv2t+UXglpp+duaIy9cr5HqQ6XErhK8WTTOd8lNNTB +zU6B8A8ExCSzNJbGpqow32hhc9f5joWJ7w5elShKKiePEI4ufIbEAp7aDHdlDkQN +kv39sxY2+hENHYwOB4lqKVb3cvTdFZx3NWZXqxNT2I7BQMXXExZacse3aQHEerGD +AWh9jUGhlBjBJVz88P6DAod8DQ3PLghcSkANPuyBYeYk28rgDi0Hsj5W3I31QYUH +SJsMC8tJP33st/3LjWeJGqvtux6jAAgIFyqCXDFdRootD4abdNlF+9RAsXqqaC2G +spki4cErx5z481+oghLrGREt +-----END CERTIFICATE----- + +# Issuer: CN=thawte Primary Root CA - G2 O=thawte, Inc. OU=(c) 2007 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA - G2 O=thawte, Inc. OU=(c) 2007 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA - G2" +# Serial: 71758320672825410020661621085256472406 +# MD5 Fingerprint: 74:9d:ea:60:24:c4:fd:22:53:3e:cc:3a:72:d9:29:4f +# SHA1 Fingerprint: aa:db:bc:22:23:8f:c4:01:a1:27:bb:38:dd:f4:1d:db:08:9e:f0:12 +# SHA256 Fingerprint: a4:31:0d:50:af:18:a6:44:71:90:37:2a:86:af:af:8b:95:1f:fb:43:1d:83:7f:1e:56:88:b4:59:71:ed:15:57 +-----BEGIN CERTIFICATE----- +MIICiDCCAg2gAwIBAgIQNfwmXNmET8k9Jj1Xm67XVjAKBggqhkjOPQQDAzCBhDEL +MAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjE4MDYGA1UECxMvKGMp +IDIwMDcgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxJDAi +BgNVBAMTG3RoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EgLSBHMjAeFw0wNzExMDUwMDAw +MDBaFw0zODAxMTgyMzU5NTlaMIGEMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMdGhh +d3RlLCBJbmMuMTgwNgYDVQQLEy8oYykgMjAwNyB0aGF3dGUsIEluYy4gLSBGb3Ig +YXV0aG9yaXplZCB1c2Ugb25seTEkMCIGA1UEAxMbdGhhd3RlIFByaW1hcnkgUm9v +dCBDQSAtIEcyMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEotWcgnuVnfFSeIf+iha/ +BebfowJPDQfGAFG6DAJSLSKkQjnE/o/qycG+1E3/n3qe4rF8mq2nhglzh9HnmuN6 +papu+7qzcMBniKI11KOasf2twu8x+qi58/sIxpHR+ymVo0IwQDAPBgNVHRMBAf8E +BTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUmtgAMADna3+FGO6Lts6K +DPgR4bswCgYIKoZIzj0EAwMDaQAwZgIxAN344FdHW6fmCsO99YCKlzUNG4k8VIZ3 +KMqh9HneteY4sPBlcIx/AlTCv//YoT7ZzwIxAMSNlPzcU9LcnXgWHxUzI1NS41ox +XZ3Krr0TKUQNJ1uo52icEvdYPy5yAlejj6EULg== +-----END CERTIFICATE----- + +# Issuer: CN=thawte Primary Root CA - G3 O=thawte, Inc. OU=Certification Services Division/(c) 2008 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA - G3 O=thawte, Inc. OU=Certification Services Division/(c) 2008 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA - G3" +# Serial: 127614157056681299805556476275995414779 +# MD5 Fingerprint: fb:1b:5d:43:8a:94:cd:44:c6:76:f2:43:4b:47:e7:31 +# SHA1 Fingerprint: f1:8b:53:8d:1b:e9:03:b6:a6:f0:56:43:5b:17:15:89:ca:f3:6b:f2 +# SHA256 Fingerprint: 4b:03:f4:58:07:ad:70:f2:1b:fc:2c:ae:71:c9:fd:e4:60:4c:06:4c:f5:ff:b6:86:ba:e5:db:aa:d7:fd:d3:4c +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIQYAGXt0an6rS0mtZLL/eQ+zANBgkqhkiG9w0BAQsFADCB +rjELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMf +Q2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIw +MDggdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxJDAiBgNV +BAMTG3RoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EgLSBHMzAeFw0wODA0MDIwMDAwMDBa +Fw0zNzEyMDEyMzU5NTlaMIGuMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMdGhhd3Rl +LCBJbmMuMSgwJgYDVQQLEx9DZXJ0aWZpY2F0aW9uIFNlcnZpY2VzIERpdmlzaW9u +MTgwNgYDVQQLEy8oYykgMjAwOCB0aGF3dGUsIEluYy4gLSBGb3IgYXV0aG9yaXpl +ZCB1c2Ugb25seTEkMCIGA1UEAxMbdGhhd3RlIFByaW1hcnkgUm9vdCBDQSAtIEcz +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsr8nLPvb2FvdeHsbnndm +gcs+vHyu86YnmjSjaDFxODNi5PNxZnmxqWWjpYvVj2AtP0LMqmsywCPLLEHd5N/8 +YZzic7IilRFDGF/Eth9XbAoFWCLINkw6fKXRz4aviKdEAhN0cXMKQlkC+BsUa0Lf +b1+6a4KinVvnSr0eAXLbS3ToO39/fR8EtCab4LRarEc9VbjXsCZSKAExQGbY2SS9 +9irY7CFJXJv2eul/VTV+lmuNk5Mny5K76qxAwJ/C+IDPXfRa3M50hqY+bAtTyr2S +zhkGcuYMXDhpxwTWvGzOW/b3aJzcJRVIiKHpqfiYnODz1TEoYRFsZ5aNOZnLwkUk +OQIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNV +HQ4EFgQUrWyqlGCc7eT/+j4KdCtjA/e2Wb8wDQYJKoZIhvcNAQELBQADggEBABpA +2JVlrAmSicY59BDlqQ5mU1143vokkbvnRFHfxhY0Cu9qRFHqKweKA3rD6z8KLFIW +oCtDuSWQP3CpMyVtRRooOyfPqsMpQhvfO0zAMzRbQYi/aytlryjvsvXDqmbOe1bu +t8jLZ8HJnBoYuMTDSQPxYA5QzUbF83d597YV4Djbxy8ooAw/dyZ02SUS2jHaGh7c +KUGRIjxpp7sC8rZcJwOJ9Abqm+RyguOhCcHpABnTPtRwa7pxpqpYrvS76Wy274fM +m7v/OeZWYdMKp8RcTGB7BXcmer/YB1IsYvdwY9k5vG8cwnncdimvzsUsZAReiDZu +MdRAGmI0Nj81Aa6sY6A= +-----END CERTIFICATE----- + +# Issuer: CN=GeoTrust Primary Certification Authority - G2 O=GeoTrust Inc. OU=(c) 2007 GeoTrust Inc. - For authorized use only +# Subject: CN=GeoTrust Primary Certification Authority - G2 O=GeoTrust Inc. OU=(c) 2007 GeoTrust Inc. - For authorized use only +# Label: "GeoTrust Primary Certification Authority - G2" +# Serial: 80682863203381065782177908751794619243 +# MD5 Fingerprint: 01:5e:d8:6b:bd:6f:3d:8e:a1:31:f8:12:e0:98:73:6a +# SHA1 Fingerprint: 8d:17:84:d5:37:f3:03:7d:ec:70:fe:57:8b:51:9a:99:e6:10:d7:b0 +# SHA256 Fingerprint: 5e:db:7a:c4:3b:82:a0:6a:87:61:e8:d7:be:49:79:eb:f2:61:1f:7d:d7:9b:f9:1c:1c:6b:56:6a:21:9e:d7:66 +-----BEGIN CERTIFICATE----- +MIICrjCCAjWgAwIBAgIQPLL0SAoA4v7rJDteYD7DazAKBggqhkjOPQQDAzCBmDEL +MAkGA1UEBhMCVVMxFjAUBgNVBAoTDUdlb1RydXN0IEluYy4xOTA3BgNVBAsTMChj +KSAyMDA3IEdlb1RydXN0IEluYy4gLSBGb3IgYXV0aG9yaXplZCB1c2Ugb25seTE2 +MDQGA1UEAxMtR2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 +eSAtIEcyMB4XDTA3MTEwNTAwMDAwMFoXDTM4MDExODIzNTk1OVowgZgxCzAJBgNV +BAYTAlVTMRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMTkwNwYDVQQLEzAoYykgMjAw +NyBHZW9UcnVzdCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxNjA0BgNV +BAMTLUdlb1RydXN0IFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgLSBH +MjB2MBAGByqGSM49AgEGBSuBBAAiA2IABBWx6P0DFUPlrOuHNxFi79KDNlJ9RVcL +So17VDs6bl8VAsBQps8lL33KSLjHUGMcKiEIfJo22Av+0SbFWDEwKCXzXV2juLal +tJLtbCyf691DiaI8S0iRHVDsJt/WYC69IaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAO +BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFBVfNVdRVfslsq0DafwBo/q+EVXVMAoG +CCqGSM49BAMDA2cAMGQCMGSWWaboCd6LuvpaiIjwH5HTRqjySkwCY/tsXzjbLkGT +qQ7mndwxHLKgpxgceeHHNgIwOlavmnRs9vuD4DPTCF+hnMJbn0bWtsuRBmOiBucz +rD6ogRLQy7rQkgu2npaqBA+K +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Universal Root Certification Authority O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2008 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Universal Root Certification Authority O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2008 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Universal Root Certification Authority" +# Serial: 85209574734084581917763752644031726877 +# MD5 Fingerprint: 8e:ad:b5:01:aa:4d:81:e4:8c:1d:d1:e1:14:00:95:19 +# SHA1 Fingerprint: 36:79:ca:35:66:87:72:30:4d:30:a5:fb:87:3b:0f:a7:7b:b7:0d:54 +# SHA256 Fingerprint: 23:99:56:11:27:a5:71:25:de:8c:ef:ea:61:0d:df:2f:a0:78:b5:c8:06:7f:4e:82:82:90:bf:b8:60:e8:4b:3c +-----BEGIN CERTIFICATE----- +MIIEuTCCA6GgAwIBAgIQQBrEZCGzEyEDDrvkEhrFHTANBgkqhkiG9w0BAQsFADCB +vTELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL +ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwOCBWZXJp +U2lnbiwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MTgwNgYDVQQDEy9W +ZXJpU2lnbiBVbml2ZXJzYWwgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wODA0MDIwMDAwMDBaFw0zNzEyMDEyMzU5NTlaMIG9MQswCQYDVQQGEwJVUzEX +MBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZlcmlTaWduIFRydXN0 +IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAyMDA4IFZlcmlTaWduLCBJbmMuIC0gRm9y +IGF1dGhvcml6ZWQgdXNlIG9ubHkxODA2BgNVBAMTL1ZlcmlTaWduIFVuaXZlcnNh +bCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEF +AAOCAQ8AMIIBCgKCAQEAx2E3XrEBNNti1xWb/1hajCMj1mCOkdeQmIN65lgZOIzF +9uVkhbSicfvtvbnazU0AtMgtc6XHaXGVHzk8skQHnOgO+k1KxCHfKWGPMiJhgsWH +H26MfF8WIFFE0XBPV+rjHOPMee5Y2A7Cs0WTwCznmhcrewA3ekEzeOEz4vMQGn+H +LL729fdC4uW/h2KJXwBL38Xd5HVEMkE6HnFuacsLdUYI0crSK5XQz/u5QGtkjFdN +/BMReYTtXlT2NJ8IAfMQJQYXStrxHXpma5hgZqTZ79IugvHw7wnqRMkVauIDbjPT +rJ9VAMf2CGqUuV/c4DPxhGD5WycRtPwW8rtWaoAljQIDAQABo4GyMIGvMA8GA1Ud +EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMG0GCCsGAQUFBwEMBGEwX6FdoFsw +WTBXMFUWCWltYWdlL2dpZjAhMB8wBwYFKw4DAhoEFI/l0xqGrI2Oa8PPgGrUSBgs +exkuMCUWI2h0dHA6Ly9sb2dvLnZlcmlzaWduLmNvbS92c2xvZ28uZ2lmMB0GA1Ud +DgQWBBS2d/ppSEefUxLVwuoHMnYH0ZcHGTANBgkqhkiG9w0BAQsFAAOCAQEASvj4 +sAPmLGd75JR3Y8xuTPl9Dg3cyLk1uXBPY/ok+myDjEedO2Pzmvl2MpWRsXe8rJq+ +seQxIcaBlVZaDrHC1LGmWazxY8u4TB1ZkErvkBYoH1quEPuBUDgMbMzxPcP1Y+Oz +4yHJJDnp/RVmRvQbEdBNc6N9Rvk97ahfYtTxP/jgdFcrGJ2BtMQo2pSXpXDrrB2+ +BxHw1dvd5Yzw1TKwg+ZX4o+/vqGqvz0dtdQ46tewXDpPaj+PwGZsY6rp2aQW9IHR +lRQOfc2VNNnSj3BzgXucfr2YYdhFh5iQxeuGMMY1v/D/w1WIg0vvBZIGcfK4mJO3 +7M2CYfE45k+XmCpajQ== +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G4 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2007 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G4 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2007 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Class 3 Public Primary Certification Authority - G4" +# Serial: 63143484348153506665311985501458640051 +# MD5 Fingerprint: 3a:52:e1:e7:fd:6f:3a:e3:6f:f3:6f:99:1b:f9:22:41 +# SHA1 Fingerprint: 22:d5:d8:df:8f:02:31:d1:8d:f7:9d:b7:cf:8a:2d:64:c9:3f:6c:3a +# SHA256 Fingerprint: 69:dd:d7:ea:90:bb:57:c9:3e:13:5d:c8:5e:a6:fc:d5:48:0b:60:32:39:bd:c4:54:fc:75:8b:2a:26:cf:7f:79 +-----BEGIN CERTIFICATE----- +MIIDhDCCAwqgAwIBAgIQL4D+I4wOIg9IZxIokYesszAKBggqhkjOPQQDAzCByjEL +MAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZW +ZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNyBWZXJpU2ln +biwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxWZXJp +U2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9y +aXR5IC0gRzQwHhcNMDcxMTA1MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCByjELMAkG +A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZWZXJp +U2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNyBWZXJpU2lnbiwg +SW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxWZXJpU2ln +biBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5 +IC0gRzQwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAASnVnp8Utpkmw4tXNherJI9/gHm +GUo9FANL+mAnINmDiWn6VMaaGF5VKmTeBvaNSjutEDxlPZCIBIngMGGzrl0Bp3ve +fLK+ymVhAIau2o970ImtTR1ZmkGxvEeA3J5iw/mjgbIwga8wDwYDVR0TAQH/BAUw +AwEB/zAOBgNVHQ8BAf8EBAMCAQYwbQYIKwYBBQUHAQwEYTBfoV2gWzBZMFcwVRYJ +aW1hZ2UvZ2lmMCEwHzAHBgUrDgMCGgQUj+XTGoasjY5rw8+AatRIGCx7GS4wJRYj +aHR0cDovL2xvZ28udmVyaXNpZ24uY29tL3ZzbG9nby5naWYwHQYDVR0OBBYEFLMW +kf3upm7ktS5Jj4d4gYDs5bG1MAoGCCqGSM49BAMDA2gAMGUCMGYhDBgmYFo4e1ZC +4Kf8NoRRkSAsdk1DPcQdhCPQrNZ8NQbOzWm9kA3bbEhCHQ6qQgIxAJw9SDkjOVga +FRJZap7v1VmyHVIsmXHNxynfGyphe3HR3vPA5Q06Sqotp9iGKt0uEA== +-----END CERTIFICATE----- + +# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny" +# Serial: 80544274841616 +# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88 +# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91 +# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98 +-----BEGIN CERTIFICATE----- +MIIEFTCCAv2gAwIBAgIGSUEs5AAQMA0GCSqGSIb3DQEBCwUAMIGnMQswCQYDVQQG +EwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFTATBgNVBAoMDE5ldExvY2sgS2Z0LjE3 +MDUGA1UECwwuVGFuw7pzw610dsOhbnlraWFkw7NrIChDZXJ0aWZpY2F0aW9uIFNl +cnZpY2VzKTE1MDMGA1UEAwwsTmV0TG9jayBBcmFueSAoQ2xhc3MgR29sZCkgRsWR +dGFuw7pzw610dsOhbnkwHhcNMDgxMjExMTUwODIxWhcNMjgxMjA2MTUwODIxWjCB +pzELMAkGA1UEBhMCSFUxETAPBgNVBAcMCEJ1ZGFwZXN0MRUwEwYDVQQKDAxOZXRM +b2NrIEtmdC4xNzA1BgNVBAsMLlRhbsO6c8OtdHbDoW55a2lhZMOzayAoQ2VydGlm +aWNhdGlvbiBTZXJ2aWNlcykxNTAzBgNVBAMMLE5ldExvY2sgQXJhbnkgKENsYXNz 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O=Staat der Nederlanden +# Subject: CN=Staat der Nederlanden Root CA - G2 O=Staat der Nederlanden +# Label: "Staat der Nederlanden Root CA - G2" +# Serial: 10000012 +# MD5 Fingerprint: 7c:a5:0f:f8:5b:9a:7d:6d:30:ae:54:5a:e3:42:a2:8a +# SHA1 Fingerprint: 59:af:82:79:91:86:c7:b4:75:07:cb:cf:03:57:46:eb:04:dd:b7:16 +# SHA256 Fingerprint: 66:8c:83:94:7d:a6:3b:72:4b:ec:e1:74:3c:31:a0:e6:ae:d0:db:8e:c5:b3:1b:e3:77:bb:78:4f:91:b6:71:6f +-----BEGIN CERTIFICATE----- +MIIFyjCCA7KgAwIBAgIEAJiWjDANBgkqhkiG9w0BAQsFADBaMQswCQYDVQQGEwJO +TDEeMBwGA1UECgwVU3RhYXQgZGVyIE5lZGVybGFuZGVuMSswKQYDVQQDDCJTdGFh +dCBkZXIgTmVkZXJsYW5kZW4gUm9vdCBDQSAtIEcyMB4XDTA4MDMyNjExMTgxN1oX +DTIwMDMyNTExMDMxMFowWjELMAkGA1UEBhMCTkwxHjAcBgNVBAoMFVN0YWF0IGRl +ciBOZWRlcmxhbmRlbjErMCkGA1UEAwwiU3RhYXQgZGVyIE5lZGVybGFuZGVuIFJv +b3QgQ0EgLSBHMjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMVZ5291 +qj5LnLW4rJ4L5PnZyqtdj7U5EILXr1HgO+EASGrP2uEGQxGZqhQlEq0i6ABtQ8Sp +uOUfiUtnvWFI7/3S4GCI5bkYYCjDdyutsDeqN95kWSpGV+RLufg3fNU254DBtvPU 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CERTIFICATE----- +MIIDMDCCAhigAwIBAgICA+gwDQYJKoZIhvcNAQEFBQAwRzELMAkGA1UEBhMCSEsx +FjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdrb25nIFBvc3Qg +Um9vdCBDQSAxMB4XDTAzMDUxNTA1MTMxNFoXDTIzMDUxNTA0NTIyOVowRzELMAkG +A1UEBhMCSEsxFjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdr +b25nIFBvc3QgUm9vdCBDQSAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC +AQEArP84tulmAknjorThkPlAj3n54r15/gK97iSSHSL22oVyaf7XPwnU3ZG1ApzQ +jVrhVcNQhrkpJsLj2aDxaQMoIIBFIi1WpztUlVYiWR8o3x8gPW2iNr4joLFutbEn +PzlTCeqrauh0ssJlXI6/fMN4hM2eFvz1Lk8gKgifd/PFHsSaUmYeSF7jEAaPIpjh +ZY4bXSNmO7ilMlHIhqqhqZ5/dpTCpmy3QfDVyAY45tQM4vM7TG1QjMSDJ8EThFk9 +nnV0ttgCXjqQesBCNnLsak3c78QA3xMYV18meMjWCnl3v/evt3a5pQuEF10Q6m/h +q5URX208o1xNg1vysxmKgIsLhwIDAQABoyYwJDASBgNVHRMBAf8ECDAGAQH/AgED +MA4GA1UdDwEB/wQEAwIBxjANBgkqhkiG9w0BAQUFAAOCAQEADkbVPK7ih9legYsC +mEEIjEy82tvuJxuC52pF7BaLT4Wg87JwvVqWuspube5Gi27nKi6Wsxkz67SfqLI3 +7piol7Yutmcn1KZJ/RyTZXaeQi/cImyaT/JaFTmxcdcrUehtHJjA2Sr0oYJ71clB 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CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd. +# Subject: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd. +# Label: "Microsec e-Szigno Root CA 2009" +# Serial: 14014712776195784473 +# MD5 Fingerprint: f8:49:f4:03:bc:44:2d:83:be:48:69:7d:29:64:fc:b1 +# SHA1 Fingerprint: 89:df:74:fe:5c:f4:0f:4a:80:f9:e3:37:7d:54:da:91:e1:01:31:8e +# SHA256 Fingerprint: 3c:5f:81:fe:a5:fa:b8:2c:64:bf:a2:ea:ec:af:cd:e8:e0:77:fc:86:20:a7:ca:e5:37:16:3d:f3:6e:db:f3:78 +-----BEGIN CERTIFICATE----- +MIIECjCCAvKgAwIBAgIJAMJ+QwRORz8ZMA0GCSqGSIb3DQEBCwUAMIGCMQswCQYD +VQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFjAUBgNVBAoMDU1pY3Jvc2VjIEx0 +ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3ppZ25vIFJvb3QgQ0EgMjAwOTEfMB0G +CSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5odTAeFw0wOTA2MTYxMTMwMThaFw0y +OTEyMzAxMTMwMThaMIGCMQswCQYDVQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3Qx +FjAUBgNVBAoMDU1pY3Jvc2VjIEx0ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3pp +Z25vIFJvb3QgQ0EgMjAwOTEfMB0GCSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5o 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Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3 +# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3 +# Label: "GlobalSign Root CA - R3" +# Serial: 4835703278459759426209954 +# MD5 Fingerprint: c5:df:b8:49:ca:05:13:55:ee:2d:ba:1a:c3:3e:b0:28 +# SHA1 Fingerprint: d6:9b:56:11:48:f0:1c:77:c5:45:78:c1:09:26:df:5b:85:69:76:ad +# SHA256 Fingerprint: cb:b5:22:d7:b7:f1:27:ad:6a:01:13:86:5b:df:1c:d4:10:2e:7d:07:59:af:63:5a:7c:f4:72:0d:c9:63:c5:3b +-----BEGIN CERTIFICATE----- +MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G +A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp +Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMDkwMzE4MTAwMDAwWhcNMjkwMzE4 +MTAwMDAwWjBMMSAwHgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEG +A1UEChMKR2xvYmFsU2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjCCASIwDQYJKoZI +hvcNAQEBBQADggEPADCCAQoCggEBAMwldpB5BngiFvXAg7aEyiie/QV2EcWtiHL8 +RgJDx7KKnQRfJMsuS+FggkbhUqsMgUdwbN1k0ev1LKMPgj0MK66X17YUhhB5uzsT 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6047274297262753887 +# MD5 Fingerprint: 73:3a:74:7a:ec:bb:a3:96:a6:c2:e4:e2:c8:9b:c0:c3 +# SHA1 Fingerprint: ae:c5:fb:3f:c8:e1:bf:c4:e5:4f:03:07:5a:9a:e8:00:b7:f7:b6:fa +# SHA256 Fingerprint: 04:04:80:28:bf:1f:28:64:d4:8f:9a:d4:d8:32:94:36:6a:82:88:56:55:3f:3b:14:30:3f:90:14:7f:5d:40:ef +-----BEGIN CERTIFICATE----- +MIIGFDCCA/ygAwIBAgIIU+w77vuySF8wDQYJKoZIhvcNAQEFBQAwUTELMAkGA1UE +BhMCRVMxQjBABgNVBAMMOUF1dG9yaWRhZCBkZSBDZXJ0aWZpY2FjaW9uIEZpcm1h +cHJvZmVzaW9uYWwgQ0lGIEE2MjYzNDA2ODAeFw0wOTA1MjAwODM4MTVaFw0zMDEy +MzEwODM4MTVaMFExCzAJBgNVBAYTAkVTMUIwQAYDVQQDDDlBdXRvcmlkYWQgZGUg +Q2VydGlmaWNhY2lvbiBGaXJtYXByb2Zlc2lvbmFsIENJRiBBNjI2MzQwNjgwggIi +MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDKlmuO6vj78aI14H9M2uDDUtd9 +thDIAl6zQyrET2qyyhxdKJp4ERppWVevtSBC5IsP5t9bpgOSL/UR5GLXMnE42QQM +cas9UX4PB99jBVzpv5RvwSmCwLTaUbDBPLutN0pcyvFLNg4kq7/DhHf9qFD0sefG +L9ItWY16Ck6WaVICqjaY7Pz6FIMMNx/Jkjd/14Et5cS54D40/mf0PmbR0/RAz15i +NA9wBj4gGFrO93IbJWyTdBSTo3OxDqqHECNZXyAFGUftaI6SEspd/NYrspI8IM/h 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OU=Certum Certification Authority +# Subject: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Network CA" +# Serial: 279744 +# MD5 Fingerprint: d5:e9:81:40:c5:18:69:fc:46:2c:89:75:62:0f:aa:78 +# SHA1 Fingerprint: 07:e0:32:e0:20:b7:2c:3f:19:2f:06:28:a2:59:3a:19:a7:0f:06:9e +# SHA256 Fingerprint: 5c:58:46:8d:55:f5:8e:49:7e:74:39:82:d2:b5:00:10:b6:d1:65:37:4a:cf:83:a7:d4:a3:2d:b7:68:c4:40:8e +-----BEGIN CERTIFICATE----- +MIIDuzCCAqOgAwIBAgIDBETAMA0GCSqGSIb3DQEBBQUAMH4xCzAJBgNVBAYTAlBM +MSIwIAYDVQQKExlVbml6ZXRvIFRlY2hub2xvZ2llcyBTLkEuMScwJQYDVQQLEx5D +ZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxIjAgBgNVBAMTGUNlcnR1bSBU +cnVzdGVkIE5ldHdvcmsgQ0EwHhcNMDgxMDIyMTIwNzM3WhcNMjkxMjMxMTIwNzM3 +WjB+MQswCQYDVQQGEwJQTDEiMCAGA1UEChMZVW5pemV0byBUZWNobm9sb2dpZXMg +Uy5BLjEnMCUGA1UECxMeQ2VydHVtIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MSIw +IAYDVQQDExlDZXJ0dW0gVHJ1c3RlZCBOZXR3b3JrIENBMIIBIjANBgkqhkiG9w0B +AQEFAAOCAQ8AMIIBCgKCAQEA4/t9o3K6wvDJFIf1awFO4W5AB7ptJ11/91sts1rH +UV+rpDKmYYe2bg+G0jACl/jXaVehGDldamR5xgFZrDwxSjh80gTSSyjoIF87B6LM +TXPb865Px1bVWqeWifrzq2jUI4ZZJ88JJ7ysbnKDHDBy3+Ci6dLhdHUZvSqeexVU +BBvXQzmtVSjF4hq79MDkrjhJM8x2hZ85RdKknvISjFH4fOQtf/WsX+sWn7Et0brM +kUJ3TCXJkDhv2/DM+44el1k+1WBO5gUo7Ul5E0u6SNsv+XLTOcr+H9g0cvW0QM8x +AcPs3hEtF10fuFDRXhmnad4HMyjKUJX5p1TLVIZQRan5SQIDAQABo0IwQDAPBgNV +HRMBAf8EBTADAQH/MB0GA1UdDgQWBBQIds3LB/8k9sXN7buQvOKEN0Z19zAOBgNV +HQ8BAf8EBAMCAQYwDQYJKoZIhvcNAQEFBQADggEBAKaorSLOAT2mo/9i0Eidi15y +sHhE49wcrwn9I0j6vSrEuVUEtRCjjSfeC4Jj0O7eDDd5QVsisrCaQVymcODU0HfL +I9MA4GxWL+FpDQ3Zqr8hgVDZBqWo/5U30Kr+4rP1mS1FhIrlQgnXdAIv94nYmem8 +J9RHjboNRhx3zxSkHLmkMcScKHQDNP8zGSal6Q10tz6XxnboJ5ajZt3hrvJBW8qY +VoNzcOSGGtIxQbovvi0TWnZvTuhOgQ4/WwMioBK+ZlgRSssDxLQqKi2WF+A5VLxI +03YnnZotBqbJ7DnSq9ufmgsnAjUpsUCV5/nonFWIGUbWtzT1fs45mtk48VH3Tyw= +-----END CERTIFICATE----- + +# Issuer: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA +# Subject: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA +# Label: "TWCA Root Certification Authority" +# Serial: 1 +# MD5 Fingerprint: aa:08:8f:f6:f9:7b:b7:f2:b1:a7:1e:9b:ea:ea:bd:79 +# SHA1 Fingerprint: cf:9e:87:6d:d3:eb:fc:42:26:97:a3:b5:a3:7a:a0:76:a9:06:23:48 +# SHA256 Fingerprint: bf:d8:8f:e1:10:1c:41:ae:3e:80:1b:f8:be:56:35:0e:e9:ba:d1:a6:b9:bd:51:5e:dc:5c:6d:5b:87:11:ac:44 +-----BEGIN CERTIFICATE----- +MIIDezCCAmOgAwIBAgIBATANBgkqhkiG9w0BAQUFADBfMQswCQYDVQQGEwJUVzES +MBAGA1UECgwJVEFJV0FOLUNBMRAwDgYDVQQLDAdSb290IENBMSowKAYDVQQDDCFU +V0NBIFJvb3QgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDgwODI4MDcyNDMz +WhcNMzAxMjMxMTU1OTU5WjBfMQswCQYDVQQGEwJUVzESMBAGA1UECgwJVEFJV0FO +LUNBMRAwDgYDVQQLDAdSb290IENBMSowKAYDVQQDDCFUV0NBIFJvb3QgQ2VydGlm +aWNhdGlvbiBBdXRob3JpdHkwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB +AQCwfnK4pAOU5qfeCTiRShFAh6d8WWQUe7UREN3+v9XAu1bihSX0NXIP+FPQQeFE +AcK0HMMxQhZHhTMidrIKbw/lJVBPhYa+v5guEGcevhEFhgWQxFnQfHgQsIBct+HH +K3XLfJ+utdGdIzdjp9xCoi2SBBtQwXu4PhvJVgSLL1KbralW6cH/ralYhzC2gfeX +RfwZVzsrb+RH9JlF/h3x+JejiB03HFyP4HYlmlD4oFT/RJB2I9IyxsOrBr/8+7/z +rX2SYgJbKdM1o5OaQ2RgXbL6Mv87BK9NQGr5x+PvI/1ry+UPizgN7gr8/g+YnzAx +3WxSZfmLgb4i4RxYA7qRG4kHAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV +HRMBAf8EBTADAQH/MB0GA1UdDgQWBBRqOFsmjd6LWvJPelSDGRjjCDWmujANBgkq +hkiG9w0BAQUFAAOCAQEAPNV3PdrfibqHDAhUaiBQkr6wQT25JmSDCi/oQMCXKCeC +MErJk/9q56YAf4lCmtYR5VPOL8zy2gXE/uJQxDqGfczafhAJO5I1KlOy/usrBdls +XebQ79NqZp4VKIV66IIArB6nCWlWQtNoURi+VJq/REG6Sb4gumlc7rh3zc5sH62D +lhh9DrUUOYTxKOkto557HnpyWoOzeW/vtPzQCqVYT0bf+215WfKEIlKuD8z7fDvn +aspHYcN6+NOSBB+4IIThNlQWx0DeO4pz3N/GCUzf7Nr/1FNCocnyYh0igzyXxfkZ +YiesZSLX0zzG5Y6yU8xJzrww/nsOM5D77dIUkR8Hrw== +-----END CERTIFICATE----- + +# Issuer: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2 +# Subject: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2 +# Label: "Security Communication RootCA2" +# Serial: 0 +# MD5 Fingerprint: 6c:39:7d:a4:0e:55:59:b2:3f:d6:41:b1:12:50:de:43 +# SHA1 Fingerprint: 5f:3b:8c:f2:f8:10:b3:7d:78:b4:ce:ec:19:19:c3:73:34:b9:c7:74 +# SHA256 Fingerprint: 51:3b:2c:ec:b8:10:d4:cd:e5:dd:85:39:1a:df:c6:c2:dd:60:d8:7b:b7:36:d2:b5:21:48:4a:a4:7a:0e:be:f6 +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIBADANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQGEwJKUDEl +MCMGA1UEChMcU0VDT00gVHJ1c3QgU3lzdGVtcyBDTy4sTFRELjEnMCUGA1UECxMe +U2VjdXJpdHkgQ29tbXVuaWNhdGlvbiBSb290Q0EyMB4XDTA5MDUyOTA1MDAzOVoX +DTI5MDUyOTA1MDAzOVowXTELMAkGA1UEBhMCSlAxJTAjBgNVBAoTHFNFQ09NIFRy +dXN0IFN5c3RlbXMgQ08uLExURC4xJzAlBgNVBAsTHlNlY3VyaXR5IENvbW11bmlj +YXRpb24gUm9vdENBMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAV +OVKxUrO6xVmCxF1SrjpDZYBLx/KWvNs2l9amZIyoXvDjChz335c9S672XewhtUGr +zbl+dp+++T42NKA7wfYxEUV0kz1XgMX5iZnK5atq1LXaQZAQwdbWQonCv/Q4EpVM +VAX3NuRFg3sUZdbcDE3R3n4MqzvEFb46VqZab3ZpUql6ucjrappdUtAtCms1FgkQ +hNBqyjoGADdH5H5XTz+L62e4iKrFvlNVspHEfbmwhRkGeC7bYRr6hfVKkaHnFtWO +ojnflLhwHyg/i/xAXmODPIMqGplrz95Zajv8bxbXH/1KEOtOghY6rCcMU/Gt1SSw +awNQwS08Ft1ENCcadfsCAwEAAaNCMEAwHQYDVR0OBBYEFAqFqXdlBZh8QIH4D5cs +OPEK7DzPMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3 +DQEBCwUAA4IBAQBMOqNErLlFsceTfsgLCkLfZOoc7llsCLqJX2rKSpWeeo8HxdpF +coJxDjrSzG+ntKEju/Ykn8sX/oymzsLS28yN/HH8AynBbF0zX2S2ZTuJbxh2ePXc +okgfGT+Ok+vx+hfuzU7jBBJV1uXk3fs+BXziHV7Gp7yXT2g69ekuCkO2r1dcYmh8 +t/2jioSgrGK+KwmHNPBqAbubKVY8/gA3zyNs8U6qtnRGEmyR7jTV7JqR50S+kDFy +1UkC9gLl9B/rfNmWVan/7Ir5mUf/NVoCqgTLiluHcSmRvaS0eg29mvVXIwAHIRc/ +SjnRBUkLp7Y3gaVdjKozXoEofKd9J+sAro03 +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions RootCA 2011" +# Serial: 0 +# MD5 Fingerprint: 73:9f:4c:4b:73:5b:79:e9:fa:ba:1c:ef:6e:cb:d5:c9 +# SHA1 Fingerprint: fe:45:65:9b:79:03:5b:98:a1:61:b5:51:2e:ac:da:58:09:48:22:4d +# SHA256 Fingerprint: bc:10:4f:15:a4:8b:e7:09:dc:a5:42:a7:e1:d4:b9:df:6f:05:45:27:e8:02:ea:a9:2d:59:54:44:25:8a:fe:71 +-----BEGIN CERTIFICATE----- +MIIEMTCCAxmgAwIBAgIBADANBgkqhkiG9w0BAQUFADCBlTELMAkGA1UEBhMCR1Ix +RDBCBgNVBAoTO0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1 +dGlvbnMgQ2VydC4gQXV0aG9yaXR5MUAwPgYDVQQDEzdIZWxsZW5pYyBBY2FkZW1p +YyBhbmQgUmVzZWFyY2ggSW5zdGl0dXRpb25zIFJvb3RDQSAyMDExMB4XDTExMTIw +NjEzNDk1MloXDTMxMTIwMTEzNDk1MlowgZUxCzAJBgNVBAYTAkdSMUQwQgYDVQQK +EztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0dXRpb25zIENl +cnQuIEF1dGhvcml0eTFAMD4GA1UEAxM3SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBSb290Q0EgMjAxMTCCASIwDQYJKoZIhvcNAQEB +BQADggEPADCCAQoCggEBAKlTAOMupvaO+mDYLZU++CwqVE7NuYRhlFhPjz2L5EPz 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OU=E-Tugra Sertifikasyon Merkezi +# Subject: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi +# Label: "E-Tugra Certification Authority" +# Serial: 7667447206703254355 +# MD5 Fingerprint: b8:a1:03:63:b0:bd:21:71:70:8a:6f:13:3a:bb:79:49 +# SHA1 Fingerprint: 51:c6:e7:08:49:06:6e:f3:92:d4:5c:a0:0d:6d:a3:62:8f:c3:52:39 +# SHA256 Fingerprint: b0:bf:d5:2b:b0:d7:d9:bd:92:bf:5d:4d:c1:3d:a2:55:c0:2c:54:2f:37:83:65:ea:89:39:11:f5:5e:55:f2:3c +-----BEGIN CERTIFICATE----- +MIIGSzCCBDOgAwIBAgIIamg+nFGby1MwDQYJKoZIhvcNAQELBQAwgbIxCzAJBgNV +BAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+BgNVBAoMN0UtVHXEn3JhIEVCRyBC +aWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhpem1ldGxlcmkgQS7Fni4xJjAkBgNV +BAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBNZXJrZXppMSgwJgYDVQQDDB9FLVR1 +Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTEzMDMwNTEyMDk0OFoXDTIz +MDMwMzEyMDk0OFowgbIxCzAJBgNVBAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+ +BgNVBAoMN0UtVHXEn3JhIEVCRyBCaWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhp +em1ldGxlcmkgQS7Fni4xJjAkBgNVBAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBN +ZXJrZXppMSgwJgYDVQQDDB9FLVR1Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5 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2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a +# SHA1 Fingerprint: 59:0d:2d:7d:88:4f:40:2e:61:7e:a5:62:32:17:65:cf:17:d8:94:e9 +# SHA256 Fingerprint: 91:e2:f5:78:8d:58:10:eb:a7:ba:58:73:7d:e1:54:8a:8e:ca:cd:01:45:98:bc:0b:14:3e:04:1b:17:05:25:52 +-----BEGIN CERTIFICATE----- +MIIDwzCCAqugAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgjELMAkGA1UEBhMCREUx +KzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnByaXNlIFNlcnZpY2VzIEdtYkgxHzAd +BgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50ZXIxJTAjBgNVBAMMHFQtVGVsZVNl +YyBHbG9iYWxSb290IENsYXNzIDIwHhcNMDgxMDAxMTA0MDE0WhcNMzMxMDAxMjM1 +OTU5WjCBgjELMAkGA1UEBhMCREUxKzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnBy +aXNlIFNlcnZpY2VzIEdtYkgxHzAdBgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50 +ZXIxJTAjBgNVBAMMHFQtVGVsZVNlYyBHbG9iYWxSb290IENsYXNzIDIwggEiMA0G +CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqX9obX+hzkeXaXPSi5kfl82hVYAUd +AqSzm1nzHoqvNK38DcLZSBnuaY/JIPwhqgcZ7bBcrGXHX+0CfHt8LRvWurmAwhiC +FoT6ZrAIxlQjgeTNuUk/9k9uN0goOA/FvudocP05l03Sx5iRUKrERLMjfTlH6VJi 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2b:b1:f5:3e:55:0c:1d:c5:f1:d4:e6:b7:6a:46:4b:55:06:02:ac:21 +# SHA256 Fingerprint: f3:56:be:a2:44:b7:a9:1e:b3:5d:53:ca:9a:d7:86:4a:ce:01:8e:2d:35:d5:f8:f9:6d:df:68:a6:f4:1a:a4:74 +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIIXDPLYixfszIwDQYJKoZIhvcNAQELBQAwPDEeMBwGA1UE +AwwVQXRvcyBUcnVzdGVkUm9vdCAyMDExMQ0wCwYDVQQKDARBdG9zMQswCQYDVQQG +EwJERTAeFw0xMTA3MDcxNDU4MzBaFw0zMDEyMzEyMzU5NTlaMDwxHjAcBgNVBAMM +FUF0b3MgVHJ1c3RlZFJvb3QgMjAxMTENMAsGA1UECgwEQXRvczELMAkGA1UEBhMC +REUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCVhTuXbyo7LjvPpvMp +Nb7PGKw+qtn4TaA+Gke5vJrf8v7MPkfoepbCJI419KkM/IL9bcFyYie96mvr54rM +VD6QUM+A1JX76LWC1BTFtqlVJVfbsVD2sGBkWXppzwO3bw2+yj5vdHLqqjAqc2K+ +SZFhyBH+DgMq92og3AIVDV4VavzjgsG1xZ1kCWyjWZgHJ8cblithdHFsQ/H3NYkQ +4J7sVaE3IqKHBAUsR320HLliKWYoyrfhk/WklAOZuXCFteZI6o1Q/NnezG8HDt0L +cp2AMBYHlT8oDv3FdU9T1nSatCQujgKRz3bFmx5VdJx4IbHwLfELn8LVlhgf8FQi +eowHAgMBAAGjfTB7MB0GA1UdDgQWBBSnpQaxLKYJYO7Rl+lwrrw7GWzbITAPBgNV +HRMBAf8EBTADAQH/MB8GA1UdIwQYMBaAFKelBrEspglg7tGX6XCuvDsZbNshMBgG 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Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited +# Label: "QuoVadis Root CA 2 G3" +# Serial: 390156079458959257446133169266079962026824725800 +# MD5 Fingerprint: af:0c:86:6e:bf:40:2d:7f:0b:3e:12:50:ba:12:3d:06 +# SHA1 Fingerprint: 09:3c:61:f3:8b:8b:dc:7d:55:df:75:38:02:05:00:e1:25:f5:c8:36 +# SHA256 Fingerprint: 8f:e4:fb:0a:f9:3a:4d:0d:67:db:0b:eb:b2:3e:37:c7:1b:f3:25:dc:bc:dd:24:0e:a0:4d:af:58:b4:7e:18:40 +-----BEGIN CERTIFICATE----- +MIIFYDCCA0igAwIBAgIURFc0JFuBiZs18s64KztbpybwdSgwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCQk0xGTAXBgNVBAoTEFF1b1ZhZGlzIExpbWl0ZWQxHjAc +BgNVBAMTFVF1b1ZhZGlzIFJvb3QgQ0EgMiBHMzAeFw0xMjAxMTIxODU5MzJaFw00 +MjAxMTIxODU5MzJaMEgxCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBM +aW1pdGVkMR4wHAYDVQQDExVRdW9WYWRpcyBSb290IENBIDIgRzMwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQChriWyARjcV4g/Ruv5r+LrI3HimtFhZiFf +qq8nUeVuGxbULX1QsFN3vXg6YOJkApt8hpvWGo6t/x8Vf9WVHhLL5hSEBMHfNrMW +n4rjyduYNM7YMxcoRvynyfDStNVNCXJJ+fKH46nafaF9a7I6JaltUkSs+L5u+9ym 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root G2" +# Serial: 15385348160840213938643033620894905419 +# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d +# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f +# SHA256 Fingerprint: 7d:05:eb:b6:82:33:9f:8c:94:51:ee:09:4e:eb:fe:fa:79:53:a1:14:ed:b2:f4:49:49:45:2f:ab:7d:2f:c1:85 +-----BEGIN CERTIFICATE----- +MIIDljCCAn6gAwIBAgIQC5McOtY5Z+pnI7/Dr5r0SzANBgkqhkiG9w0BAQsFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgRzIwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzIwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZ5ygvUj82ckmIkzTz+GoeMVSA +n61UQbVH35ao1K+ALbkKz3X9iaV9JPrjIgwrvJUXCzO/GU1BBpAAvQxNEP4Htecc 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15459312981008553731928384953135426796 +# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb +# SHA1 Fingerprint: f5:17:a2:4f:9a:48:c6:c9:f8:a2:00:26:9f:dc:0f:48:2c:ab:30:89 +# SHA256 Fingerprint: 7e:37:cb:8b:4c:47:09:0c:ab:36:55:1b:a6:f4:5d:b8:40:68:0f:ba:16:6a:95:2d:b1:00:71:7f:43:05:3f:c2 +-----BEGIN CERTIFICATE----- +MIICRjCCAc2gAwIBAgIQC6Fa+h3foLVJRK/NJKBs7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3Qg +RzMwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzMwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAAQZ57ysRGXtzbg/WPuNsVepRC0FFfLvC/8QdJ+1YlJf +Zn4f5dwbRXkLzMZTCp2NXQLZqVneAlr2lSoOjThKiknGvMYDOAdfVdp+CW7if17Q +RSAPWXYQ1qAk8C3eNvJsKTmjQjBAMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/ +BAQDAgGGMB0GA1UdDgQWBBTL0L2p4ZgFUaFNN6KDec6NHSrkhDAKBggqhkjOPQQD 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+-----END CERTIFICATE----- + +# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Global Root G3" +# Serial: 7089244469030293291760083333884364146 +# MD5 Fingerprint: f5:5d:a4:50:a5:fb:28:7e:1e:0f:0d:cc:96:57:56:ca +# SHA1 Fingerprint: 7e:04:de:89:6a:3e:66:6d:00:e6:87:d3:3f:fa:d9:3b:e8:3d:34:9e +# SHA256 Fingerprint: 31:ad:66:48:f8:10:41:38:c7:38:f3:9e:a4:32:01:33:39:3e:3a:18:cc:02:29:6e:f9:7c:2a:c9:ef:67:31:d0 +-----BEGIN CERTIFICATE----- +MIICPzCCAcWgAwIBAgIQBVVWvPJepDU1w6QP1atFcjAKBggqhkjOPQQDAzBhMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBHMzAe +Fw0xMzA4MDExMjAwMDBaFw0zODAxMTUxMjAwMDBaMGExCzAJBgNVBAYTAlVTMRUw +EwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20x +IDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IEczMHYwEAYHKoZIzj0CAQYF 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+MIIFkDCCA3igAwIBAgIQBZsbV56OITLiOQe9p3d1XDANBgkqhkiG9w0BAQwFADBi +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSEwHwYDVQQDExhEaWdpQ2VydCBUcnVzdGVkIFJvb3Qg +RzQwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBiMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSEwHwYDVQQDExhEaWdpQ2VydCBUcnVzdGVkIFJvb3QgRzQwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQC/5pBzaN675F1KPDAiMGkz7MKnJS7JIT3y +ithZwuEppz1Yq3aaza57G4QNxDAf8xukOBbrVsaXbR2rsnnyyhHS5F/WBTxSD1If +xp4VpX6+n6lXFllVcq9ok3DCsrp1mWpzMpTREEQQLt+C8weE5nQ7bXHiLQwb7iDV +ySAdYyktzuxeTsiT+CFhmzTrBcZe7FsavOvJz82sNEBfsXpm7nfISKhmV1efVFiO +DCu3T6cw2Vbuyntd463JT17lNecxy9qTXtyOj4DatpGYQJB5w3jHtrHEtWoYOAMQ +jdjUN6QuBX2I9YI+EJFwq1WCQTLX2wRzKm6RAXwhTNS8rhsDdV14Ztk6MUSaM0C/ +CNdaSaTC5qmgZ92kJ7yhTzm1EVgX9yRcRo9k98FpiHaYdj1ZXUJ2h4mXaXpI8OCi +EhtmmnTK3kse5w5jrubU75KSOp493ADkRSWJtppEGSt+wJS00mFt6zPZxd9LBADM +fRyVw4/3IbKyEbe7f/LVjHAsQWCqsWMYRJUadmJ+9oCw++hkpjPRiQfhvbfmQ6QY 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+ +# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Label: "COMODO RSA Certification Authority" +# Serial: 101909084537582093308941363524873193117 +# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18 +# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4 +# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34 +-----BEGIN CERTIFICATE----- +MIIF2DCCA8CgAwIBAgIQTKr5yttjb+Af907YWwOGnTANBgkqhkiG9w0BAQwFADCB +hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNV +BAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAwMTE5 +MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBhTELMAkGA1UEBhMCR0IxGzAZBgNVBAgT +EkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR +Q09NT0RPIENBIExpbWl0ZWQxKzApBgNVBAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNh 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Root CA - R4 +# Label: "GlobalSign ECC Root CA - R4" +# Serial: 14367148294922964480859022125800977897474 +# MD5 Fingerprint: 20:f0:27:68:d1:7e:a0:9d:0e:e6:2a:ca:df:5c:89:8e +# SHA1 Fingerprint: 69:69:56:2e:40:80:f4:24:a1:e7:19:9f:14:ba:f3:ee:58:ab:6a:bb +# SHA256 Fingerprint: be:c9:49:11:c2:95:56:76:db:6c:0a:55:09:86:d7:6e:3b:a0:05:66:7c:44:2c:97:62:b4:fb:b7:73:de:22:8c +-----BEGIN CERTIFICATE----- +MIIB4TCCAYegAwIBAgIRKjikHJYKBN5CsiilC+g0mAIwCgYIKoZIzj0EAwIwUDEk +MCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBDQSAtIFI0MRMwEQYDVQQKEwpH +bG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTEyMTExMzAwMDAwMFoX +DTM4MDExOTAzMTQwN1owUDEkMCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBD +QSAtIFI0MRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWdu +MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEuMZ5049sJQ6fLjkZHAOkrprlOQcJ +FspjsbmG+IpXwVfOQvpzofdlQv8ewQCybnMO/8ch5RikqtlxP6jUuc6MHaNCMEAw +DgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFFSwe61F +uOJAf/sKbvu+M8k8o4TVMAoGCCqGSM49BAMCA0gAMEUCIQDckqGgE6bPA7DmxCGX 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Nederlanden EV Root CA O=Staat der Nederlanden +# Subject: CN=Staat der Nederlanden EV Root CA O=Staat der Nederlanden +# Label: "Staat der Nederlanden EV Root CA" +# Serial: 10000013 +# MD5 Fingerprint: fc:06:af:7b:e8:1a:f1:9a:b4:e8:d2:70:1f:c0:f5:ba +# SHA1 Fingerprint: 76:e2:7e:c1:4f:db:82:c1:c0:a6:75:b5:05:be:3d:29:b4:ed:db:bb +# SHA256 Fingerprint: 4d:24:91:41:4c:fe:95:67:46:ec:4c:ef:a6:cf:6f:72:e2:8a:13:29:43:2f:9d:8a:90:7a:c4:cb:5d:ad:c1:5a +-----BEGIN CERTIFICATE----- +MIIFcDCCA1igAwIBAgIEAJiWjTANBgkqhkiG9w0BAQsFADBYMQswCQYDVQQGEwJO +TDEeMBwGA1UECgwVU3RhYXQgZGVyIE5lZGVybGFuZGVuMSkwJwYDVQQDDCBTdGFh +dCBkZXIgTmVkZXJsYW5kZW4gRVYgUm9vdCBDQTAeFw0xMDEyMDgxMTE5MjlaFw0y +MjEyMDgxMTEwMjhaMFgxCzAJBgNVBAYTAk5MMR4wHAYDVQQKDBVTdGFhdCBkZXIg +TmVkZXJsYW5kZW4xKTAnBgNVBAMMIFN0YWF0IGRlciBOZWRlcmxhbmRlbiBFViBS +b290IENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA48d+ifkkSzrS +M4M1LGns3Amk41GoJSt5uAg94JG6hIXGhaTK5skuU6TJJB79VWZxXSzFYGgEt9nC 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+ +# Issuer: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust +# Subject: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust +# Label: "IdenTrust Public Sector Root CA 1" +# Serial: 13298821034946342390521976156843933698 +# MD5 Fingerprint: 37:06:a5:b0:fc:89:9d:ba:f4:6b:8c:1a:64:cd:d5:ba +# SHA1 Fingerprint: ba:29:41:60:77:98:3f:f4:f3:ef:f2:31:05:3b:2e:ea:6d:4d:45:fd +# SHA256 Fingerprint: 30:d0:89:5a:9a:44:8a:26:20:91:63:55:22:d1:f5:20:10:b5:86:7a:ca:e1:2c:78:ef:95:8f:d4:f4:38:9f:2f +-----BEGIN CERTIFICATE----- +MIIFZjCCA06gAwIBAgIQCgFCgAAAAUUjz0Z8AAAAAjANBgkqhkiG9w0BAQsFADBN +MQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0MSowKAYDVQQDEyFJZGVu +VHJ1c3QgUHVibGljIFNlY3RvciBSb290IENBIDEwHhcNMTQwMTE2MTc1MzMyWhcN +MzQwMTE2MTc1MzMyWjBNMQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0 +MSowKAYDVQQDEyFJZGVuVHJ1c3QgUHVibGljIFNlY3RvciBSb290IENBIDEwggIi +MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC2IpT8pEiv6EdrCvsnduTyP4o7 +ekosMSqMjbCpwzFrqHd2hCa2rIFCDQjrVVi7evi8ZX3yoG2LqEfpYnYeEe4IFNGy 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OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - G2" +# Serial: 1246989352 +# MD5 Fingerprint: 4b:e2:c9:91:96:65:0c:f4:0e:5a:93:92:a0:0a:fe:b2 +# SHA1 Fingerprint: 8c:f4:27:fd:79:0c:3a:d1:66:06:8d:e8:1e:57:ef:bb:93:22:72:d4 +# SHA256 Fingerprint: 43:df:57:74:b0:3e:7f:ef:5f:e4:0d:93:1a:7b:ed:f1:bb:2e:6b:42:73:8c:4e:6d:38:41:10:3d:3a:a7:f3:39 +-----BEGIN CERTIFICATE----- +MIIEPjCCAyagAwIBAgIESlOMKDANBgkqhkiG9w0BAQsFADCBvjELMAkGA1UEBhMC +VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50 +cnVzdC5uZXQvbGVnYWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDA5IEVudHJ1c3Qs +IEluYy4gLSBmb3IgYXV0aG9yaXplZCB1c2Ugb25seTEyMDAGA1UEAxMpRW50cnVz +dCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IC0gRzIwHhcNMDkwNzA3MTcy +NTU0WhcNMzAxMjA3MTc1NTU0WjCBvjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUVu +dHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50cnVzdC5uZXQvbGVnYWwt +dGVybXMxOTA3BgNVBAsTMChjKSAyMDA5IEVudHJ1c3QsIEluYy4gLSBmb3IgYXV0 +aG9yaXplZCB1c2Ugb25seTEyMDAGA1UEAxMpRW50cnVzdCBSb290IENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5IC0gRzIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK +AoIBAQC6hLZy254Ma+KZ6TABp3bqMriVQRrJ2mFOWHLP/vaCeb9zYQYKpSfYs1/T +RU4cctZOMvJyig/3gxnQaoCAAEUesMfnmr8SVycco2gvCoe9amsOXmXzHHfV1IWN +cCG0szLni6LVhjkCsbjSR87kyUnEO6fe+1R9V77w6G7CebI6C1XiUJgWMhNcL3hW +wcKUs/Ja5CeanyTXxuzQmyWC48zCxEXFjJd6BmsqEZ+pCm5IO2/b1BEZQvePB7/1 +U1+cPvQXLOZprE4yTGJ36rfo5bs0vBmLrpxR57d+tVOxMyLlbc9wPBr64ptntoP0 +jaWvYkxN4FisZDQSA/i2jZRjJKRxAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAP +BgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBRqciZ60B7vfec7aVHUbI2fkBJmqzAN +BgkqhkiG9w0BAQsFAAOCAQEAeZ8dlsa2eT8ijYfThwMEYGprmi5ZiXMRrEPR9RP/ +jTkrwPK9T3CMqS/qF8QLVJ7UG5aYMzyorWKiAHarWWluBh1+xLlEjZivEtRh2woZ +Rkfz6/djwUAFQKXSt/S1mja/qYh2iARVBCuch38aNzx+LaUa2NSJXsq9rD1s2G2v +1fN2D807iDginWyTmsQ9v4IbZT+mD12q/OWyFcq1rca8PdCE6OoGcrBNOTJ4vz4R +nAuknZoh8/CbCzB428Hch0P+vGOaysXCHMnHjf87ElgI5rY97HosTvuDls4MPGmH +VHOkc8KT/1EQrBVUAdj8BbGJoX90g5pJ19xOe4pIb4tF9g== +-----END CERTIFICATE----- + +# Issuer: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - EC1" +# Serial: 51543124481930649114116133369 +# MD5 Fingerprint: b6:7e:1d:f0:58:c5:49:6c:24:3b:3d:ed:98:18:ed:bc +# SHA1 Fingerprint: 20:d8:06:40:df:9b:25:f5:12:25:3a:11:ea:f7:59:8a:eb:14:b5:47 +# SHA256 Fingerprint: 02:ed:0e:b2:8c:14:da:45:16:5c:56:67:91:70:0d:64:51:d7:fb:56:f0:b2:ab:1d:3b:8e:b0:70:e5:6e:df:f5 +-----BEGIN CERTIFICATE----- +MIIC+TCCAoCgAwIBAgINAKaLeSkAAAAAUNCR+TAKBggqhkjOPQQDAzCBvzELMAkG +A1UEBhMCVVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3 +d3cuZW50cnVzdC5uZXQvbGVnYWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDEyIEVu +dHJ1c3QsIEluYy4gLSBmb3IgYXV0aG9yaXplZCB1c2Ugb25seTEzMDEGA1UEAxMq +RW50cnVzdCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IC0gRUMxMB4XDTEy +MTIxODE1MjUzNloXDTM3MTIxODE1NTUzNlowgb8xCzAJBgNVBAYTAlVTMRYwFAYD +VQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQLEx9TZWUgd3d3LmVudHJ1c3QubmV0 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OU=Certum Certification Authority +# Subject: CN=Certum Trusted Network CA 2 O=Unizeto Technologies S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Network CA 2" +# Serial: 44979900017204383099463764357512596969 +# MD5 Fingerprint: 6d:46:9e:d9:25:6d:08:23:5b:5e:74:7d:1e:27:db:f2 +# SHA1 Fingerprint: d3:dd:48:3e:2b:bf:4c:05:e8:af:10:f5:fa:76:26:cf:d3:dc:30:92 +# SHA256 Fingerprint: b6:76:f2:ed:da:e8:77:5c:d3:6c:b0:f6:3c:d1:d4:60:39:61:f4:9e:62:65:ba:01:3a:2f:03:07:b6:d0:b8:04 +-----BEGIN CERTIFICATE----- +MIIF0jCCA7qgAwIBAgIQIdbQSk8lD8kyN/yqXhKN6TANBgkqhkiG9w0BAQ0FADCB +gDELMAkGA1UEBhMCUEwxIjAgBgNVBAoTGVVuaXpldG8gVGVjaG5vbG9naWVzIFMu +QS4xJzAlBgNVBAsTHkNlcnR1bSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEkMCIG +A1UEAxMbQ2VydHVtIFRydXN0ZWQgTmV0d29yayBDQSAyMCIYDzIwMTExMDA2MDgz +OTU2WhgPMjA0NjEwMDYwODM5NTZaMIGAMQswCQYDVQQGEwJQTDEiMCAGA1UEChMZ +VW5pemV0byBUZWNobm9sb2dpZXMgUy5BLjEnMCUGA1UECxMeQ2VydHVtIENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5MSQwIgYDVQQDExtDZXJ0dW0gVHJ1c3RlZCBOZXR3 +b3JrIENBIDIwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC9+Xj45tWA +DGSdhhuWZGc/IjoedQF97/tcZ4zJzFxrqZHmuULlIEub2pt7uZld2ZuAS9eEQCsn +0+i6MLs+CRqnSZXvK0AkwpfHp+6bJe+oCgCXhVqqndwpyeI1B+twTUrWwbNWuKFB +OJvR+zF/j+Bf4bE/D44WSWDXBo0Y+aomEKsq09DRZ40bRr5HMNUuctHFY9rnY3lE +fktjJImGLjQ/KUxSiyqnwOKRKIm5wFv5HdnnJ63/mgKXwcZQkpsCLL2puTRZCr+E +Sv/f/rOf69me4Jgj7KZrdxYq28ytOxykh9xGc14ZYmhFV+SQgkK7QtbwYeDBoz1m +o130GO6IyY0XRSmZMnUCMe4pJshrAua1YkV/NxVaI2iJ1D7eTiew8EAMvE0Xy02i +sx7QBlrd9pPPV3WZ9fqGGmd4s7+W/jTcvedSVuWz5XV710GRBdxdaeOVDUO5/IOW +OZV7bIBaTxNyxtd9KXpEulKkKtVBRgkg/iKgtlswjbyJDNXXcPiHUv3a76xRLgez +Tv7QCdpw75j6VuZt27VXS9zlLCUVyJ4ueE742pyehizKV/Ma5ciSixqClnrDvFAS +adgOWkaLOusm+iPJtrCBvkIApPjW/jAux9JG9uWOdf3yzLnQh1vMBhBgu4M1t15n +3kfsmUjxpKEV/q2MYo45VU85FrmxY53/twIDAQABo0IwQDAPBgNVHRMBAf8EBTAD +AQH/MB0GA1UdDgQWBBS2oVQ5AsOgP46KvPrU+Bym0ToO/TAOBgNVHQ8BAf8EBAMC +AQYwDQYJKoZIhvcNAQENBQADggIBAHGlDs7k6b8/ONWJWsQCYftMxRQXLYtPU2sQ +F/xlhMcQSZDe28cmk4gmb3DWAl45oPePq5a1pRNcgRRtDoGCERuKTsZPpd1iHkTf +CVn0W3cLN+mLIMb4Ck4uWBzrM9DPhmDJ2vuAL55MYIR4PSFk1vtBHxgP58l1cb29 +XN40hz5BsA72udY/CROWFC/emh1auVbONTqwX3BNXuMp8SMoclm2q8KMZiYcdywm +djWLKKdpoPk79SPdhRB0yZADVpHnr7pH1BKXESLjokmUbOe3lEu6LaTaM4tMpkT/ +WjzGHWTYtTHkpjx6qFcL2+1hGsvxznN3Y6SHb0xRONbkX8eftoEq5IVIeVheO/jb +AoJnwTnbw3RLPTYe+SmTiGhbqEQZIfCn6IENLOiTNrQ3ssqwGyZ6miUfmpqAnksq +P/ujmv5zMnHCnsZy4YpoJ/HkD7TETKVhk/iXEAcqMCWpuchxuO9ozC1+9eB+D4Ko +b7a6bINDd82Kkhehnlt4Fj1F4jNy3eFmypnTycUm/Q1oBEauttmbjL4ZvrHG8hnj +XALKLNhvSgfZyTXaQHXyxKcZb55CEJh15pWLYLztxRLXis7VmFxWlgPF7ncGNf/P +5O4/E2Hu29othfDNrp2yGAlFw5Khchf8R7agCyzxxN5DaAhqXzvwdmP7zAYspsbi +DrW5viSP +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: ca:ff:e2:db:03:d9:cb:4b:e9:0f:ad:84:fd:7b:18:ce +# SHA1 Fingerprint: 01:0c:06:95:a6:98:19:14:ff:bf:5f:c6:b0:b6:95:ea:29:e9:12:a6 +# SHA256 Fingerprint: a0:40:92:9a:02:ce:53:b4:ac:f4:f2:ff:c6:98:1c:e4:49:6f:75:5e:6d:45:fe:0b:2a:69:2b:cd:52:52:3f:36 +-----BEGIN CERTIFICATE----- +MIIGCzCCA/OgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBpjELMAkGA1UEBhMCR1Ix +DzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5k +IFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxQDA+BgNVBAMT +N0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgUm9v +dENBIDIwMTUwHhcNMTUwNzA3MTAxMTIxWhcNNDAwNjMwMTAxMTIxWjCBpjELMAkG +A1UEBhMCR1IxDzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNh +ZGVtaWMgYW5kIFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkx +QDA+BgNVBAMTN0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1 +dGlvbnMgUm9vdENBIDIwMTUwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoIC +AQDC+Kk/G4n8PDwEXT2QNrCROnk8ZlrvbTkBSRq0t89/TSNTt5AA4xMqKKYx8ZEA +4yjsriFBzh/a/X0SWwGDD7mwX5nh8hKDgE0GPt+sr+ehiGsxr/CL0BgzuNtFajT0 +AoAkKAoCFZVedioNmToUW/bLy1O8E00BiDeUJRtCvCLYjqOWXjrZMts+6PAQZe10 +4S+nfK8nNLspfZu2zwnI5dMK/IhlZXQK3HMcXM1AsRzUtoSMTFDPaI6oWa7CJ06C +ojXdFPQf/7J31Ycvqm59JCfnxssm5uX+Zwdj2EUN3TpZZTlYepKZcj2chF6IIbjV +9Cz82XBST3i4vTwri5WY9bPRaM8gFH5MXF/ni+X1NYEZN9cRCLdmvtNKzoNXADrD +gfgXy5I2XdGj2HUb4Ysn6npIQf1FGQatJ5lOwXBH3bWfgVMS5bGMSF0xQxfjjMZ6 +Y5ZLKTBOhE5iGV48zpeQpX8B653g+IuJ3SWYPZK2fu/Z8VFRfS0myGlZYeCsargq +NhEEelC9MoS+L9xy1dcdFkfkR2YgP/SWxa+OAXqlD3pk9Q0Yh9muiNX6hME6wGko +LfINaFGq46V3xqSQDqE3izEjR8EJCOtu93ib14L8hCCZSRm2Ekax+0VVFqmjZayc +Bw/qa9wfLgZy7IaIEuQt218FL+TwA9MmM+eAws1CoRc0CwIDAQABo0IwQDAPBgNV +HRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUcRVnyMjJvXVd +ctA4GGqd83EkVAswDQYJKoZIhvcNAQELBQADggIBAHW7bVRLqhBYRjTyYtcWNl0I +XtVsyIe9tC5G8jH4fOpCtZMWVdyhDBKg2mF+D1hYc2Ryx+hFjtyp8iY/xnmMsVMI +M4GwVhO+5lFc2JsKT0ucVlMC6U/2DWDqTUJV6HwbISHTGzrMd/K4kPFox/la/vot +9L/J9UUbzjgQKjeKeaO04wlshYaT/4mWJ3iBj2fjRnRUjtkNaeJK9E10A/+yd+2V +Z5fkscWrv2oj6NSU4kQoYsRL4vDY4ilrGnB+JGGTe08DMiUNRSQrlrRGar9KC/ea +j8GsGsVn82800vpzY4zvFrCopEYq+OsS7HK07/grfoxSwIuEVPkvPuNVqNxmsdnh +X9izjFk0WaSrT2y7HxjbdavYy5LNlDhhDgcGH0tGEPEVvo2FXDtKK4F5D7Rpn0lQ +l033DlZdwJVqwjbDG2jJ9SrcR5q+ss7FJej6A7na+RZukYT1HCjI/CbM1xyQVqdf +bzoEvM14iQuODy+jqk+iGxI9FghAD/FGTNeqewjBCvVtJ94Cj8rDtSvK6evIIVM4 +pcw72Hc3MKJP2W/R8kCtQXoXxdZKNYm3QdV8hn9VTYNKpXMgwDqvkPGaJI7ZjnHK +e7iG2rKPmT4dEw0SEe7Uq/DpFXYC5ODfqiAeW2GFZECpkJcNrVPSWh2HagCXZWK0 +vm9qp/UsQu0yrbYhnr68 +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: 81:e5:b4:17:eb:c2:f5:e1:4b:0d:41:7b:49:92:fe:ef +# SHA1 Fingerprint: 9f:f1:71:8d:92:d5:9a:f3:7d:74:97:b4:bc:6f:84:68:0b:ba:b6:66 +# SHA256 Fingerprint: 44:b5:45:aa:8a:25:e6:5a:73:ca:15:dc:27:fc:36:d2:4c:1c:b9:95:3a:06:65:39:b1:15:82:dc:48:7b:48:33 +-----BEGIN CERTIFICATE----- +MIICwzCCAkqgAwIBAgIBADAKBggqhkjOPQQDAjCBqjELMAkGA1UEBhMCR1IxDzAN +BgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxRDBCBgNVBAMTO0hl +bGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgRUNDIFJv +b3RDQSAyMDE1MB4XDTE1MDcwNzEwMzcxMloXDTQwMDYzMDEwMzcxMlowgaoxCzAJ +BgNVBAYTAkdSMQ8wDQYDVQQHEwZBdGhlbnMxRDBCBgNVBAoTO0hlbGxlbmljIEFj +YWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgQ2VydC4gQXV0aG9yaXR5 +MUQwQgYDVQQDEztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0 +dXRpb25zIEVDQyBSb290Q0EgMjAxNTB2MBAGByqGSM49AgEGBSuBBAAiA2IABJKg 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+# Serial: 485876308206448804701554682760554759 +# MD5 Fingerprint: e2:09:04:b4:d3:bd:d1:a0:14:fd:1a:d2:47:c4:57:1d +# SHA1 Fingerprint: ec:50:35:07:b2:15:c4:95:62:19:e2:a8:9a:5b:42:99:2c:4c:2c:20 +# SHA256 Fingerprint: eb:c5:57:0c:29:01:8c:4d:67:b1:aa:12:7b:af:12:f7:03:b4:61:1e:bc:17:b7:da:b5:57:38:94:17:9b:93:fa +-----BEGIN CERTIFICATE----- +MIIFgzCCA2ugAwIBAgIPXZONMGc2yAYdGsdUhGkHMA0GCSqGSIb3DQEBCwUAMDsx +CzAJBgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJ +WiBGTk1ULVJDTTAeFw0wODEwMjkxNTU5NTZaFw0zMDAxMDEwMDAwMDBaMDsxCzAJ +BgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJWiBG +Tk1ULVJDTTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALpxgHpMhm5/ +yBNtwMZ9HACXjywMI7sQmkCpGreHiPibVmr75nuOi5KOpyVdWRHbNi63URcfqQgf +BBckWKo3Shjf5TnUV/3XwSyRAZHiItQDwFj8d0fsjz50Q7qsNI1NOHZnjrDIbzAz +WHFctPVrbtQBULgTfmxKo0nRIBnuvMApGGWn3v7v3QqQIecaZ5JCEJhfTzC8PhxF +tBDXaEAUwED653cXeuYLj2VbPNmaUtu1vZ5Gzz3rkQUCwJaydkxNEJY7kvqcfw+Z 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+rqXRfboQnoZsG4q5WTP468SQvvG5 +-----END CERTIFICATE----- + +# Issuer: CN=Amazon Root CA 2 O=Amazon +# Subject: CN=Amazon Root CA 2 O=Amazon +# Label: "Amazon Root CA 2" +# Serial: 143266982885963551818349160658925006970653239 +# MD5 Fingerprint: c8:e5:8d:ce:a8:42:e2:7a:c0:2a:5c:7c:9e:26:bf:66 +# SHA1 Fingerprint: 5a:8c:ef:45:d7:a6:98:59:76:7a:8c:8b:44:96:b5:78:cf:47:4b:1a +# SHA256 Fingerprint: 1b:a5:b2:aa:8c:65:40:1a:82:96:01:18:f8:0b:ec:4f:62:30:4d:83:ce:c4:71:3a:19:c3:9c:01:1e:a4:6d:b4 +-----BEGIN CERTIFICATE----- +MIIFQTCCAymgAwIBAgITBmyf0pY1hp8KD+WGePhbJruKNzANBgkqhkiG9w0BAQwF +ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6 +b24gUm9vdCBDQSAyMB4XDTE1MDUyNjAwMDAwMFoXDTQwMDUyNjAwMDAwMFowOTEL +MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv +b3QgQ0EgMjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK2Wny2cSkxK +gXlRmeyKy2tgURO8TW0G/LAIjd0ZEGrHJgw12MBvIITplLGbhQPDW9tK6Mj4kHbZ +W0/jTOgGNk3Mmqw9DJArktQGGWCsN0R5hYGCrVo34A3MnaZMUnbqQ523BNFQ9lXg 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e3:5d:28:41:9e:d0:20:25:cf:a6:90:38:cd:62:39:62:45:8d:a5:c6:95:fb:de:a3:c2:2b:0b:fb:25:89:70:92 +-----BEGIN CERTIFICATE----- +MIIB8jCCAXigAwIBAgITBmyf18G7EEwpQ+Vxe3ssyBrBDjAKBggqhkjOPQQDAzA5 +MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6b24g +Um9vdCBDQSA0MB4XDTE1MDUyNjAwMDAwMFoXDTQwMDUyNjAwMDAwMFowOTELMAkG +A1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJvb3Qg +Q0EgNDB2MBAGByqGSM49AgEGBSuBBAAiA2IABNKrijdPo1MN/sGKe0uoe0ZLY7Bi +9i0b2whxIdIA6GO9mif78DluXeo9pcmBqqNbIJhFXRbb/egQbeOc4OO9X4Ri83Bk +M6DLJC9wuoihKqB1+IGuYgbEgds5bimwHvouXKNCMEAwDwYDVR0TAQH/BAUwAwEB +/zAOBgNVHQ8BAf8EBAMCAYYwHQYDVR0OBBYEFNPsxzplbszh2naaVvuc84ZtV+WB +MAoGCCqGSM49BAMDA2gAMGUCMDqLIfG9fhGt0O9Yli/W651+kI0rz2ZVwyzjKKlw +CkcO8DdZEv8tmZQoTipPNU0zWgIxAOp1AE47xDqUEpHJWEadIRNyp4iciuRMStuW +1KyLa2tJElMzrdfkviT8tQp21KW8EA== +-----END CERTIFICATE----- + +# Issuer: CN=LuxTrust Global Root 2 O=LuxTrust S.A. +# Subject: CN=LuxTrust Global Root 2 O=LuxTrust S.A. +# Label: "LuxTrust Global Root 2" +# Serial: 59914338225734147123941058376788110305822489521 +# MD5 Fingerprint: b2:e1:09:00:61:af:f7:f1:91:6f:c4:ad:8d:5e:3b:7c +# SHA1 Fingerprint: 1e:0e:56:19:0a:d1:8b:25:98:b2:04:44:ff:66:8a:04:17:99:5f:3f +# SHA256 Fingerprint: 54:45:5f:71:29:c2:0b:14:47:c4:18:f9:97:16:8f:24:c5:8f:c5:02:3b:f5:da:5b:e2:eb:6e:1d:d8:90:2e:d5 +-----BEGIN CERTIFICATE----- +MIIFwzCCA6ugAwIBAgIUCn6m30tEntpqJIWe5rgV0xZ/u7EwDQYJKoZIhvcNAQEL +BQAwRjELMAkGA1UEBhMCTFUxFjAUBgNVBAoMDUx1eFRydXN0IFMuQS4xHzAdBgNV +BAMMFkx1eFRydXN0IEdsb2JhbCBSb290IDIwHhcNMTUwMzA1MTMyMTU3WhcNMzUw +MzA1MTMyMTU3WjBGMQswCQYDVQQGEwJMVTEWMBQGA1UECgwNTHV4VHJ1c3QgUy5B +LjEfMB0GA1UEAwwWTHV4VHJ1c3QgR2xvYmFsIFJvb3QgMjCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBANeFl78RmOnwYoNMPIf5U2o3C/IPPIfOb9wmKb3F +ibrJgz337spbxm1Jc7TJRqMbNBM/wYlFV/TZsfs2ZUv7COJIcRHIbjuend+JZTem +hfY7RBi2xjcwYkSSl2l9QjAk5A0MiWtj3sXh306pFGxT4GHO9hcvHTy95iJMHZP1 +EMShduxq3sVs35a0VkBCwGKSMKEtFZSg0iAGCW5qbeXrt77U8PEVfIvmTroTzEsn 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31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca +# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16 +-----BEGIN CERTIFICATE----- +MIIEYzCCA0ugAwIBAgIBATANBgkqhkiG9w0BAQsFADCB0jELMAkGA1UEBhMCVFIx +GDAWBgNVBAcTD0dlYnplIC0gS29jYWVsaTFCMEAGA1UEChM5VHVya2l5ZSBCaWxp +bXNlbCB2ZSBUZWtub2xvamlrIEFyYXN0aXJtYSBLdXJ1bXUgLSBUVUJJVEFLMS0w +KwYDVQQLEyRLYW11IFNlcnRpZmlrYXN5b24gTWVya2V6aSAtIEthbXUgU00xNjA0 +BgNVBAMTLVRVQklUQUsgS2FtdSBTTSBTU0wgS29rIFNlcnRpZmlrYXNpIC0gU3Vy +dW0gMTAeFw0xMzExMjUwODI1NTVaFw00MzEwMjUwODI1NTVaMIHSMQswCQYDVQQG +EwJUUjEYMBYGA1UEBxMPR2ViemUgLSBLb2NhZWxpMUIwQAYDVQQKEzlUdXJraXll +IEJpbGltc2VsIHZlIFRla25vbG9qaWsgQXJhc3Rpcm1hIEt1cnVtdSAtIFRVQklU +QUsxLTArBgNVBAsTJEthbXUgU2VydGlmaWthc3lvbiBNZXJrZXppIC0gS2FtdSBT +TTE2MDQGA1UEAxMtVFVCSVRBSyBLYW11IFNNIFNTTCBLb2sgU2VydGlmaWthc2kg +LSBTdXJ1bSAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr3UwM6q7 +a9OZLBI3hNmNe5eA027n/5tQlT6QlVZC1xl8JoSNkvoBHToP4mQ4t4y86Ij5iySr 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9009899650740120186 +# MD5 Fingerprint: 63:cc:d9:3d:34:35:5c:6f:53:a3:e2:08:70:48:1f:b4 +# SHA1 Fingerprint: 0f:36:38:5b:81:1a:25:c3:9b:31:4e:83:ca:e9:34:66:70:cc:74:b4 +# SHA256 Fingerprint: bf:ff:8f:d0:44:33:48:7d:6a:8a:a6:0c:1a:29:76:7a:9f:c2:bb:b0:5e:42:0f:71:3a:13:b9:92:89:1d:38:93 +-----BEGIN CERTIFICATE----- +MIIFiDCCA3CgAwIBAgIIfQmX/vBH6nowDQYJKoZIhvcNAQELBQAwYjELMAkGA1UE +BhMCQ04xMjAwBgNVBAoMKUdVQU5HIERPTkcgQ0VSVElGSUNBVEUgQVVUSE9SSVRZ +IENPLixMVEQuMR8wHQYDVQQDDBZHRENBIFRydXN0QVVUSCBSNSBST09UMB4XDTE0 +MTEyNjA1MTMxNVoXDTQwMTIzMTE1NTk1OVowYjELMAkGA1UEBhMCQ04xMjAwBgNV +BAoMKUdVQU5HIERPTkcgQ0VSVElGSUNBVEUgQVVUSE9SSVRZIENPLixMVEQuMR8w +HQYDVQQDDBZHRENBIFRydXN0QVVUSCBSNSBST09UMIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA2aMW8Mh0dHeb7zMNOwZ+Vfy1YI92hhJCfVZmPoiC7XJj +Dp6L3TQsAlFRwxn9WVSEyfFrs0yw6ehGXTjGoqcuEVe6ghWinI9tsJlKCvLriXBj +TnnEt1u9ol2x8kECK62pOqPseQrsXzrj/e+APK00mxqriCZ7VqKChh/rNYmDf1+u +KU49tm7srsHwJ5uu4/Ts765/94Y9cnrrpftZTqfrlYwiOXnhLQiPzLyRuEH3FMEj 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OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-1" +# Serial: 15752444095811006489 +# MD5 Fingerprint: 6e:85:f1:dc:1a:00:d3:22:d5:b2:b2:ac:6b:37:05:45 +# SHA1 Fingerprint: ff:bd:cd:e7:82:c8:43:5e:3c:6f:26:86:5c:ca:a8:3a:45:5b:c3:0a +# SHA256 Fingerprint: d4:0e:9c:86:cd:8f:e4:68:c1:77:69:59:f4:9e:a7:74:fa:54:86:84:b6:c4:06:f3:90:92:61:f4:dc:e2:57:5c +-----BEGIN CERTIFICATE----- +MIIEMDCCAxigAwIBAgIJANqb7HHzA7AZMA0GCSqGSIb3DQEBCwUAMIGkMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRydXN0Q29y +IFJvb3RDZXJ0IENBLTEwHhcNMTYwMjA0MTIzMjE2WhcNMjkxMjMxMTcyMzE2WjCB +pDELMAkGA1UEBhMCUEExDzANBgNVBAgMBlBhbmFtYTEUMBIGA1UEBwwLUGFuYW1h +IENpdHkxJDAiBgNVBAoMG1RydXN0Q29yIFN5c3RlbXMgUy4gZGUgUi5MLjEnMCUG +A1UECwweVHJ1c3RDb3IgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MR8wHQYDVQQDDBZU +cnVzdENvciBSb290Q2VydCBDQS0xMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB +CgKCAQEAv463leLCJhJrMxnHQFgKq1mqjQCj/IDHUHuO1CAmujIS2CNUSSUQIpid +RtLByZ5OGy4sDjjzGiVoHKZaBeYei0i/mJZ0PmnK6bV4pQa81QBeCQryJ3pS/C3V +seq0iWEk8xoT26nPUu0MJLq5nux+AHT6k61sKZKuUbS701e/s/OojZz0JEsq1pme +9J7+wH5COucLlVPat2gOkEz7cD+PSiyU8ybdY2mplNgQTsVHCJCZGxdNuWxu72CV +EY4hgLW9oHPY0LJ3xEXqWib7ZnZ2+AYfYW0PVcWDtxBWcgYHpfOxGgMFZA6dWorW +hnAbJN7+KIor0Gqw/Hqi3LJ5DotlDwIDAQABo2MwYTAdBgNVHQ4EFgQU7mtJPHo/ +DeOxCbeKyKsZn3MzUOcwHwYDVR0jBBgwFoAU7mtJPHo/DeOxCbeKyKsZn3MzUOcw +DwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYwDQYJKoZIhvcNAQELBQAD +ggEBACUY1JGPE+6PHh0RU9otRCkZoB5rMZ5NDp6tPVxBb5UrJKF5mDo4Nvu7Zp5I +/5CQ7z3UuJu0h3U/IJvOcs+hVcFNZKIZBqEHMwwLKeXx6quj7LUKdJDHfXLy11yf +ke+Ri7fc7Waiz45mO7yfOgLgJ90WmMCV1Aqk5IGadZQ1nJBfiDcGrVmVCrDRZ9MZ +yonnMlo2HD6CqFqTvsbQZJG2z9m2GM/bftJlo6bEjhcxwft+dtvTheNYsnd6djts +L1Ac59v2Z3kf9YKVmgenFK+P3CghZwnS1k1aHBkcjndcw5QkPTJrS37UeJSDvjdN +zl/HHk484IkzlQsPpTLWPFp5LBk= +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-2" +# Serial: 2711694510199101698 +# MD5 Fingerprint: a2:e1:f8:18:0b:ba:45:d5:c7:41:2a:bb:37:52:45:64 +# SHA1 Fingerprint: b8:be:6d:cb:56:f1:55:b9:63:d4:12:ca:4e:06:34:c7:94:b2:1c:c0 +# SHA256 Fingerprint: 07:53:e9:40:37:8c:1b:d5:e3:83:6e:39:5d:ae:a5:cb:83:9e:50:46:f1:bd:0e:ae:19:51:cf:10:fe:c7:c9:65 +-----BEGIN CERTIFICATE----- +MIIGLzCCBBegAwIBAgIIJaHfyjPLWQIwDQYJKoZIhvcNAQELBQAwgaQxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEfMB0GA1UEAwwWVHJ1c3RDb3Ig +Um9vdENlcnQgQ0EtMjAeFw0xNjAyMDQxMjMyMjNaFw0zNDEyMzExNzI2MzlaMIGk +MQswCQYDVQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEg +Q2l0eTEkMCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYD +VQQLDB5UcnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRy +dXN0Q29yIFJvb3RDZXJ0IENBLTIwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQCnIG7CKqJiJJWQdsg4foDSq8GbZQWU9MEKENUCrO2fk8eHyLAnK0IMPQo+ +QVqedd2NyuCb7GgypGmSaIwLgQ5WoD4a3SwlFIIvl9NkRvRUqdw6VC0xK5mC8tkq +1+9xALgxpL56JAfDQiDyitSSBBtlVkxs1Pu2YVpHI7TYabS3OtB0PAx1oYxOdqHp +2yqlO/rOsP9+aij9JxzIsekp8VduZLTQwRVtDr4uDkbIXvRR/u8OYzo7cbrPb1nK +DOObXUm4TOJXsZiKQlecdu/vvdFoqNL0Cbt3Nb4lggjEFixEIFapRBF37120Hape +az6LMvYHL1cEksr1/p3C6eizjkxLAjHZ5DxIgif3GIJ2SDpxsROhOdUuxTTCHWKF +3wP+TfSvPd9cW436cOGlfifHhi5qjxLGhF5DUVCcGZt45vz27Ud+ez1m7xMTiF88 +oWP7+ayHNZ/zgp6kPwqcMWmLmaSISo5uZk3vFsQPeSghYA2FFn3XVDjxklb9tTNM +g9zXEJ9L/cb4Qr26fHMC4P99zVvh1Kxhe1fVSntb1IVYJ12/+CtgrKAmrhQhJ8Z3 +mjOAPF5GP/fDsaOGM8boXg25NSyqRsGFAnWAoOsk+xWq5Gd/bnc/9ASKL3x74xdh +8N0JqSDIvgmk0H5Ew7IwSjiqqewYmgeCK9u4nBit2uBGF6zPXQIDAQABo2MwYTAd +BgNVHQ4EFgQU2f4hQG6UnrybPZx9mCAZ5YwwYrIwHwYDVR0jBBgwFoAU2f4hQG6U +nrybPZx9mCAZ5YwwYrIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYw +DQYJKoZIhvcNAQELBQADggIBAJ5Fngw7tu/hOsh80QA9z+LqBrWyOrsGS2h60COX +dKcs8AjYeVrXWoSK2BKaG9l9XE1wxaX5q+WjiYndAfrs3fnpkpfbsEZC89NiqpX+ +MWcUaViQCqoL7jcjx1BRtPV+nuN79+TMQjItSQzL/0kMmx40/W5ulop5A7Zv2wnL +/V9lFDfhOPXzYRZY5LVtDQsEGz9QLX+zx3oaFoBg+Iof6Rsqxvm6ARppv9JYx1RX +CI/hOWB3S6xZhBqI8d3LT3jX5+EzLfzuQfogsL7L9ziUwOHQhQ+77Sxzq+3+knYa +ZH9bDTMJBzN7Bj8RpFxwPIXAz+OQqIN3+tvmxYxoZxBnpVIt8MSZj3+/0WvitUfW +2dCFmU2Umw9Lje4AWkcdEQOsQRivh7dvDDqPys/cA8GiCcjl/YBeyGBCARsaU1q7 +N6a3vLqE6R5sGtRk2tRD/pOLS/IseRYQ1JMLiI+h2IYURpFHmygk71dSTlxCnKr3 +Sewn6EAes6aJInKc9Q0ztFijMDvd1GpUk74aTfOTlPf8hAs/hCBcNANExdqtvArB +As8e5ZTZ845b2EzwnexhF7sUMlQMAimTHpKG9n/v55IFDlndmQguLvqcAFLTxWYp +5KeXRKQOKIETNcX2b2TmQcTVL8w0RSXPQQCWPUouwpaYT05KnJe32x+SMsj/D1Fu +1uwJ +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor ECA-1" +# Serial: 9548242946988625984 +# MD5 Fingerprint: 27:92:23:1d:0a:f5:40:7c:e9:e6:6b:9d:d8:f5:e7:6c +# SHA1 Fingerprint: 58:d1:df:95:95:67:6b:63:c0:f0:5b:1c:17:4d:8b:84:0b:c8:78:bd +# SHA256 Fingerprint: 5a:88:5d:b1:9c:01:d9:12:c5:75:93:88:93:8c:af:bb:df:03:1a:b2:d4:8e:91:ee:15:58:9b:42:97:1d:03:9c +-----BEGIN CERTIFICATE----- +MIIEIDCCAwigAwIBAgIJAISCLF8cYtBAMA0GCSqGSIb3DQEBCwUAMIGcMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxFzAVBgNVBAMMDlRydXN0Q29y +IEVDQS0xMB4XDTE2MDIwNDEyMzIzM1oXDTI5MTIzMTE3MjgwN1owgZwxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEXMBUGA1UEAwwOVHJ1c3RDb3Ig +RUNBLTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDPj+ARtZ+odnbb 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Certification Authority RSA O=SSL Corporation +# Label: "SSL.com Root Certification Authority RSA" +# Serial: 8875640296558310041 +# MD5 Fingerprint: 86:69:12:c0:70:f1:ec:ac:ac:c2:d5:bc:a5:5b:a1:29 +# SHA1 Fingerprint: b7:ab:33:08:d1:ea:44:77:ba:14:80:12:5a:6f:bd:a9:36:49:0c:bb +# SHA256 Fingerprint: 85:66:6a:56:2e:e0:be:5c:e9:25:c1:d8:89:0a:6f:76:a8:7e:c1:6d:4d:7d:5f:29:ea:74:19:cf:20:12:3b:69 +-----BEGIN CERTIFICATE----- +MIIF3TCCA8WgAwIBAgIIeyyb0xaAMpkwDQYJKoZIhvcNAQELBQAwfDELMAkGA1UE +BhMCVVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQK +DA9TU0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBSU0EwHhcNMTYwMjEyMTczOTM5WhcNNDEwMjEyMTcz +OTM5WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNv +bSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IFJTQTCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBAPkP3aMrfcvQKv7sZ4Wm5y4bunfh4/WvpOz6Sl2R 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34:17:bb:06:cc:60:07:da:1b:96:1c:92:0b:8a:b4:ce:3f:ad:82:0e:4a:a3:0b:9a:cb:c4:a7:4e:bd:ce:bc:65 +-----BEGIN CERTIFICATE----- +MIICjTCCAhSgAwIBAgIIdebfy8FoW6gwCgYIKoZIzj0EAwIwfDELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZpY2F0 +aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNDAzWhcNNDEwMjEyMTgxNDAz +WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hvdXN0 +b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNvbSBS +b290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49AgEGBSuB +BAAiA2IABEVuqVDEpiM2nl8ojRfLliJkP9x6jh3MCLOicSS6jkm5BBtHllirLZXI +7Z4INcgn64mMU1jrYor+8FsPazFSY0E7ic3s7LaNGdM0B9y7xgZ/wkWV7Mt/qCPg +CemB+vNH06NjMGEwHQYDVR0OBBYEFILRhXMw5zUE044CkvvlpNHEIejNMA8GA1Ud +EwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUgtGFczDnNQTTjgKS++Wk0cQh6M0wDgYD +VR0PAQH/BAQDAgGGMAoGCCqGSM49BAMCA2cAMGQCMG/n61kRpGDPYbCWe+0F+S8T +kdzt5fxQaxFGRrMcIQBiu77D5+jNB5n5DQtdcj7EqgIwH7y6C+IwJPt8bYBVCpk+ 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Authority ECC" +# Serial: 3182246526754555285 +# MD5 Fingerprint: 59:53:22:65:83:42:01:54:c0:ce:42:b9:5a:7c:f2:90 +# SHA1 Fingerprint: 4c:dd:51:a3:d1:f5:20:32:14:b0:c6:c5:32:23:03:91:c7:46:42:6d +# SHA256 Fingerprint: 22:a2:c1:f7:bd:ed:70:4c:c1:e7:01:b5:f4:08:c3:10:88:0f:e9:56:b5:de:2a:4a:44:f9:9c:87:3a:25:a7:c8 +-----BEGIN CERTIFICATE----- +MIIClDCCAhqgAwIBAgIILCmcWxbtBZUwCgYIKoZIzj0EAwIwfzELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xNDAyBgNVBAMMK1NTTC5jb20gRVYgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNTIzWhcNNDEwMjEyMTgx +NTIzWjB/MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjE0MDIGA1UEAwwrU1NMLmNv +bSBFViBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49 +AgEGBSuBBAAiA2IABKoSR5CYG/vvw0AHgyBO8TCCogbR8pKGYfL2IWjKAMTH6kMA +VIbc/R/fALhBYlzccBYy3h+Z1MzFB8gIH2EWB1E9fVwHU+M1OIzfzZ/ZLg1Kthku 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OU=OISTE Foundation Endorsed +# Label: "OISTE WISeKey Global Root GC CA" +# Serial: 44084345621038548146064804565436152554 +# MD5 Fingerprint: a9:d6:b9:2d:2f:93:64:f8:a5:69:ca:91:e9:68:07:23 +# SHA1 Fingerprint: e0:11:84:5e:34:de:be:88:81:b9:9c:f6:16:26:d1:96:1f:c3:b9:31 +# SHA256 Fingerprint: 85:60:f9:1c:36:24:da:ba:95:70:b5:fe:a0:db:e3:6f:f1:1a:83:23:be:94:86:85:4f:b3:f3:4a:55:71:19:8d +-----BEGIN CERTIFICATE----- +MIICaTCCAe+gAwIBAgIQISpWDK7aDKtARb8roi066jAKBggqhkjOPQQDAzBtMQsw +CQYDVQQGEwJDSDEQMA4GA1UEChMHV0lTZUtleTEiMCAGA1UECxMZT0lTVEUgRm91 +bmRhdGlvbiBFbmRvcnNlZDEoMCYGA1UEAxMfT0lTVEUgV0lTZUtleSBHbG9iYWwg +Um9vdCBHQyBDQTAeFw0xNzA1MDkwOTQ4MzRaFw00MjA1MDkwOTU4MzNaMG0xCzAJ +BgNVBAYTAkNIMRAwDgYDVQQKEwdXSVNlS2V5MSIwIAYDVQQLExlPSVNURSBGb3Vu +ZGF0aW9uIEVuZG9yc2VkMSgwJgYDVQQDEx9PSVNURSBXSVNlS2V5IEdsb2JhbCBS +b290IEdDIENBMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAETOlQwMYPchi82PG6s4ni +eUqjFqdrVCTbUf/q9Akkwwsin8tqJ4KBDdLArzHkdIJuyiXZjHWd8dvQmqJLIX4W 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+# Serial: 124779693093741543919145257850076631279 +# MD5 Fingerprint: 80:fe:f0:c4:4a:f0:5c:62:32:9f:1c:ba:78:a9:50:f8 +# SHA1 Fingerprint: 28:f9:78:16:19:7a:ff:18:25:18:aa:44:fe:c1:a0:ce:5c:b6:4c:8a +# SHA256 Fingerprint: 9b:ea:11:c9:76:fe:01:47:64:c1:be:56:a6:f9:14:b5:a5:60:31:7a:bd:99:88:39:33:82:e5:16:1a:a0:49:3c +-----BEGIN CERTIFICATE----- +MIIFRjCCAy6gAwIBAgIQXd+x2lqj7V2+WmUgZQOQ7zANBgkqhkiG9w0BAQsFADA9 +MQswCQYDVQQGEwJDTjERMA8GA1UECgwIVW5pVHJ1c3QxGzAZBgNVBAMMElVDQSBH +bG9iYWwgRzIgUm9vdDAeFw0xNjAzMTEwMDAwMDBaFw00MDEyMzEwMDAwMDBaMD0x +CzAJBgNVBAYTAkNOMREwDwYDVQQKDAhVbmlUcnVzdDEbMBkGA1UEAwwSVUNBIEds +b2JhbCBHMiBSb290MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxeYr +b3zvJgUno4Ek2m/LAfmZmqkywiKHYUGRO8vDaBsGxUypK8FnFyIdK+35KYmToni9 +kmugow2ifsqTs6bRjDXVdfkX9s9FxeV67HeToI8jrg4aA3++1NDtLnurRiNb/yzm +VHqUwCoV8MmNsHo7JOHXaOIxPAYzRrZUEaalLyJUKlgNAQLx+hVRZ2zA+te2G3/R +VogvGjqNO7uCEeBHANBSh6v7hn4PJGtAnTRnvI3HLYZveT6OqTwXS3+wmeOwcWDc 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269714418870597844693661054334862075617 +# MD5 Fingerprint: 0e:5c:30:62:27:eb:5b:bc:d7:ae:62:ba:e9:d5:df:77 +# SHA1 Fingerprint: 2d:0d:52:14:ff:9e:ad:99:24:01:74:20:47:6e:6c:85:27:27:f5:43 +# SHA256 Fingerprint: d4:8d:3d:23:ee:db:50:a4:59:e5:51:97:60:1c:27:77:4b:9d:7b:18:c9:4d:5a:05:95:11:a1:02:50:b9:31:68 +-----BEGIN CERTIFICATE----- +MIIGWzCCBEOgAwIBAgIRAMrpG4nxVQMNo+ZBbcTjpuEwDQYJKoZIhvcNAQELBQAw +WjELMAkGA1UEBhMCRlIxEjAQBgNVBAoMCURoaW15b3RpczEcMBoGA1UECwwTMDAw +MiA0ODE0NjMwODEwMDAzNjEZMBcGA1UEAwwQQ2VydGlnbmEgUm9vdCBDQTAeFw0x +MzEwMDEwODMyMjdaFw0zMzEwMDEwODMyMjdaMFoxCzAJBgNVBAYTAkZSMRIwEAYD +VQQKDAlEaGlteW90aXMxHDAaBgNVBAsMEzAwMDIgNDgxNDYzMDgxMDAwMzYxGTAX +BgNVBAMMEENlcnRpZ25hIFJvb3QgQ0EwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw +ggIKAoICAQDNGDllGlmx6mQWDoyUJJV8g9PFOSbcDO8WV43X2KyjQn+Cyu3NW9sO +ty3tRQgXstmzy9YXUnIo245Onoq2C/mehJpNdt4iKVzSs9IGPjA5qXSjklYcoW9M +CiBtnyN6tMbaLOQdLNyzKNAT8kxOAkmhVECe5uUFoC2EyP+YbNDrihqECB63aCPu +I9Vwzm1RaRDuoXrC0SIxwoKF0vJVdlB8JXrJhFwLrN1CTivngqIkicuQstDuI7pm 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+# SHA256 Fingerprint: 40:f6:af:03:46:a9:9a:a1:cd:1d:55:5a:4e:9c:ce:62:c7:f9:63:46:03:ee:40:66:15:83:3d:c8:c8:d0:03:67 +-----BEGIN CERTIFICATE----- +MIIDlDCCAnygAwIBAgIKMfXkYgxsWO3W2DANBgkqhkiG9w0BAQsFADBnMQswCQYD +VQQGEwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBU +ZWNobm9sb2dpZXMgTGltaXRlZDEcMBoGA1UEAxMTZW1TaWduIFJvb3QgQ0EgLSBH +MTAeFw0xODAyMTgxODMwMDBaFw00MzAyMTgxODMwMDBaMGcxCzAJBgNVBAYTAklO +MRMwEQYDVQQLEwplbVNpZ24gUEtJMSUwIwYDVQQKExxlTXVkaHJhIFRlY2hub2xv +Z2llcyBMaW1pdGVkMRwwGgYDVQQDExNlbVNpZ24gUm9vdCBDQSAtIEcxMIIBIjAN +BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk0u76WaK7p1b1TST0Bsew+eeuGQz +f2N4aLTNLnF115sgxk0pvLZoYIr3IZpWNVrzdr3YzZr/k1ZLpVkGoZM0Kd0WNHVO +8oG0x5ZOrRkVUkr+PHB1cM2vK6sVmjM8qrOLqs1D/fXqcP/tzxE7lM5OMhbTI0Aq +d7OvPAEsbO2ZLIvZTmmYsvePQbAyeGHWDV/D+qJAkh1cF+ZwPjXnorfCYuKrpDhM +tTk1b+oDafo6VGiFbdbyL0NVHpENDtjVaqSW0RM8LHhQ6DqS0hdW5TUaQBw+jSzt +Od9C4INBdN+jzcKGYEho42kLVACL5HZpIQ15TjQIXhTCzLG3rdd8cIrHhQIDAQAB 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86:a1:ec:ba:08:9c:4a:8d:3b:be:27:34:c6:12:ba:34:1d:81:3e:04:3c:f9:e8:a8:62:cd:5c:57:a3:6b:be:6b +-----BEGIN CERTIFICATE----- +MIICTjCCAdOgAwIBAgIKPPYHqWhwDtqLhDAKBggqhkjOPQQDAzBrMQswCQYDVQQG +EwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNo +bm9sb2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0g +RzMwHhcNMTgwMjE4MTgzMDAwWhcNNDMwMjE4MTgzMDAwWjBrMQswCQYDVQQGEwJJ +TjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNobm9s +b2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0gRzMw +djAQBgcqhkjOPQIBBgUrgQQAIgNiAAQjpQy4LRL1KPOxst3iAhKAnjlfSU2fySU0 +WXTsuwYc58Byr+iuL+FBVIcUqEqy6HyC5ltqtdyzdc6LBtCGI79G1Y4PPwT01xyS +fvalY8L1X44uT6EYGQIrMgqCZH0Wk9GjQjBAMB0GA1UdDgQWBBR8XQKEE9TMipuB +zhccLikenEhjQjAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAKBggq +hkjOPQQDAwNpADBmAjEAvvNhzwIQHWSVB7gYboiFBS+DCBeQyh+KTOgNG3qxrdWB +CUfvO6wIBHxcmbHtRwfSAjEAnbpV/KlK6O3t5nYBQnvI+GDZjVGLVTv7jHvrZQnD ++JbNR6iC8hZVdyR+EhCVBCyj +-----END CERTIFICATE----- + +# Issuer: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI +# Subject: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI +# Label: "emSign Root CA - C1" +# Serial: 825510296613316004955058 +# MD5 Fingerprint: d8:e3:5d:01:21:fa:78:5a:b0:df:ba:d2:ee:2a:5f:68 +# SHA1 Fingerprint: e7:2e:f1:df:fc:b2:09:28:cf:5d:d4:d5:67:37:b1:51:cb:86:4f:01 +# SHA256 Fingerprint: 12:56:09:aa:30:1d:a0:a2:49:b9:7a:82:39:cb:6a:34:21:6f:44:dc:ac:9f:39:54:b1:42:92:f2:e8:c8:60:8f +-----BEGIN CERTIFICATE----- +MIIDczCCAlugAwIBAgILAK7PALrEzzL4Q7IwDQYJKoZIhvcNAQELBQAwVjELMAkG +A1UEBhMCVVMxEzARBgNVBAsTCmVtU2lnbiBQS0kxFDASBgNVBAoTC2VNdWRocmEg +SW5jMRwwGgYDVQQDExNlbVNpZ24gUm9vdCBDQSAtIEMxMB4XDTE4MDIxODE4MzAw +MFoXDTQzMDIxODE4MzAwMFowVjELMAkGA1UEBhMCVVMxEzARBgNVBAsTCmVtU2ln +biBQS0kxFDASBgNVBAoTC2VNdWRocmEgSW5jMRwwGgYDVQQDExNlbVNpZ24gUm9v +dCBDQSAtIEMxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz+upufGZ +BczYKCFK83M0UYRWEPWgTywS4/oTmifQz/l5GnRfHXk5/Fv4cI7gklL35CX5VIPZ +HdPIWoU/Xse2B+4+wM6ar6xWQio5JXDWv7V7Nq2s9nPczdcdioOl+yuQFTdrHCZH 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SHA1 Fingerprint: b6:af:43:c2:9b:81:53:7d:f6:ef:6b:c3:1f:1f:60:15:0c:ee:48:66 +# SHA256 Fingerprint: bc:4d:80:9b:15:18:9d:78:db:3e:1d:8c:f4:f9:72:6a:79:5d:a1:64:3c:a5:f1:35:8e:1d:db:0e:dc:0d:7e:b3 +-----BEGIN CERTIFICATE----- +MIICKzCCAbGgAwIBAgIKe3G2gla4EnycqDAKBggqhkjOPQQDAzBaMQswCQYDVQQG +EwJVUzETMBEGA1UECxMKZW1TaWduIFBLSTEUMBIGA1UEChMLZU11ZGhyYSBJbmMx +IDAeBgNVBAMTF2VtU2lnbiBFQ0MgUm9vdCBDQSAtIEMzMB4XDTE4MDIxODE4MzAw +MFoXDTQzMDIxODE4MzAwMFowWjELMAkGA1UEBhMCVVMxEzARBgNVBAsTCmVtU2ln +biBQS0kxFDASBgNVBAoTC2VNdWRocmEgSW5jMSAwHgYDVQQDExdlbVNpZ24gRUND +IFJvb3QgQ0EgLSBDMzB2MBAGByqGSM49AgEGBSuBBAAiA2IABP2lYa57JhAd6bci +MK4G9IGzsUJxlTm801Ljr6/58pc1kjZGDoeVjbk5Wum739D+yAdBPLtVb4Ojavti +sIGJAnB9SMVK4+kiVCJNk7tCDK93nCOmfddhEc5lx/h//vXyqaNCMEAwHQYDVR0O +BBYEFPtaSNCAIEDyqOkAB2kZd6fmw/TPMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB +Af8EBTADAQH/MAoGCCqGSM49BAMDA2gAMGUCMQC02C8Cif22TGK6Q04ThHK1rt0c +3ta13FaPWEBaLd4gTCKDypOofu4SQMfWh0/434UCMBwUZOR8loMRnLDRWmFLpg9J +0wD8ofzkpf9/rdcw0Md3f76BB1UwUCAU9Vc4CqgxUQ== +-----END CERTIFICATE----- + +# Issuer: CN=Hongkong Post Root CA 3 O=Hongkong Post +# Subject: CN=Hongkong Post Root CA 3 O=Hongkong Post +# Label: "Hongkong Post Root CA 3" +# Serial: 46170865288971385588281144162979347873371282084 +# MD5 Fingerprint: 11:fc:9f:bd:73:30:02:8a:fd:3f:f3:58:b9:cb:20:f0 +# SHA1 Fingerprint: 58:a2:d0:ec:20:52:81:5b:c1:f3:f8:64:02:24:4e:c2:8e:02:4b:02 +# SHA256 Fingerprint: 5a:2f:c0:3f:0c:83:b0:90:bb:fa:40:60:4b:09:88:44:6c:76:36:18:3d:f9:84:6e:17:10:1a:44:7f:b8:ef:d6 +-----BEGIN CERTIFICATE----- +MIIFzzCCA7egAwIBAgIUCBZfikyl7ADJk0DfxMauI7gcWqQwDQYJKoZIhvcNAQEL +BQAwbzELMAkGA1UEBhMCSEsxEjAQBgNVBAgTCUhvbmcgS29uZzESMBAGA1UEBxMJ +SG9uZyBLb25nMRYwFAYDVQQKEw1Ib25na29uZyBQb3N0MSAwHgYDVQQDExdIb25n +a29uZyBQb3N0IFJvb3QgQ0EgMzAeFw0xNzA2MDMwMjI5NDZaFw00MjA2MDMwMjI5 +NDZaMG8xCzAJBgNVBAYTAkhLMRIwEAYDVQQIEwlIb25nIEtvbmcxEjAQBgNVBAcT +CUhvbmcgS29uZzEWMBQGA1UEChMNSG9uZ2tvbmcgUG9zdDEgMB4GA1UEAxMXSG9u +Z2tvbmcgUG9zdCBSb290IENBIDMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK 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OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. 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ASCII, UTF-8, UTF-16 (2 variants), UTF-32 (4 variants) + - Big5, GB2312, EUC-TW, HZ-GB-2312, ISO-2022-CN (Traditional and Simplified Chinese) + - EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP (Japanese) + - EUC-KR, ISO-2022-KR (Korean) + - KOI8-R, MacCyrillic, IBM855, IBM866, ISO-8859-5, windows-1251 (Cyrillic) + - ISO-8859-5, windows-1251 (Bulgarian) + - ISO-8859-1, windows-1252 (Western European languages) + - ISO-8859-7, windows-1253 (Greek) + - ISO-8859-8, windows-1255 (Visual and Logical Hebrew) + - TIS-620 (Thai) + +.. note:: + Our ISO-8859-2 and windows-1250 (Hungarian) probers have been temporarily + disabled until we can retrain the models. + +Requires Python 2.6, 2.7, or 3.3+. + +Installation +------------ + +Install from `PyPI `_:: + + pip install chardet + +Documentation +------------- + +For users, docs are now available at https://chardet.readthedocs.io/. + +Command-line Tool +----------------- + +chardet comes with a command-line script which reports on the encodings of one +or more files:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +About +----- + +This is a continuation of Mark Pilgrim's excellent chardet. Previously, two +versions needed to be maintained: one that supported python 2.x and one that +supported python 3.x. We've recently merged with `Ian Cordasco `_'s +`charade `_ fork, so now we have one +coherent version that works for Python 2.6+. + +:maintainer: Dan Blanchard + + diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/METADATA b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/METADATA new file mode 100644 index 0000000..1427867 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/METADATA @@ -0,0 +1,96 @@ +Metadata-Version: 2.0 +Name: chardet +Version: 3.0.4 +Summary: Universal encoding detector for Python 2 and 3 +Home-page: https://github.com/chardet/chardet +Author: Daniel Blanchard +Author-email: dan.blanchard@gmail.com +License: LGPL +Keywords: encoding,i18n,xml +Platform: UNKNOWN +Classifier: Development Status :: 4 - Beta +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL) +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Text Processing :: Linguistic + +Chardet: The Universal Character Encoding Detector +-------------------------------------------------- + +.. image:: https://img.shields.io/travis/chardet/chardet/stable.svg + :alt: Build status + :target: https://travis-ci.org/chardet/chardet + +.. image:: https://img.shields.io/coveralls/chardet/chardet/stable.svg + :target: https://coveralls.io/r/chardet/chardet + +.. image:: https://img.shields.io/pypi/v/chardet.svg + :target: https://warehouse.python.org/project/chardet/ + :alt: Latest version on PyPI + +.. image:: https://img.shields.io/pypi/l/chardet.svg + :alt: License + + +Detects + - ASCII, UTF-8, UTF-16 (2 variants), UTF-32 (4 variants) + - Big5, GB2312, EUC-TW, HZ-GB-2312, ISO-2022-CN (Traditional and Simplified Chinese) + - EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP (Japanese) + - EUC-KR, ISO-2022-KR (Korean) + - KOI8-R, MacCyrillic, IBM855, IBM866, ISO-8859-5, windows-1251 (Cyrillic) + - ISO-8859-5, windows-1251 (Bulgarian) + - ISO-8859-1, windows-1252 (Western European languages) + - ISO-8859-7, windows-1253 (Greek) + - ISO-8859-8, windows-1255 (Visual and Logical Hebrew) + - TIS-620 (Thai) + +.. note:: + Our ISO-8859-2 and windows-1250 (Hungarian) probers have been temporarily + disabled until we can retrain the models. + +Requires Python 2.6, 2.7, or 3.3+. + +Installation +------------ + +Install from `PyPI `_:: + + pip install chardet + +Documentation +------------- + +For users, docs are now available at https://chardet.readthedocs.io/. + +Command-line Tool +----------------- + +chardet comes with a command-line script which reports on the encodings of one +or more files:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +About +----- + +This is a continuation of Mark Pilgrim's excellent chardet. Previously, two +versions needed to be maintained: one that supported python 2.x and one that +supported python 3.x. We've recently merged with `Ian Cordasco `_'s +`charade `_ fork, so now we have one +coherent version that works for Python 2.6+. + +:maintainer: Dan Blanchard + + diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/RECORD b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/RECORD new file mode 100644 index 0000000..2740f3f --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/RECORD @@ -0,0 +1,91 @@ +../../../bin/chardetect,sha256=jUNQauPaQnX5_WVyQ21crfNyR7-as49GxQ5AYwGcevc,266 +chardet-3.0.4.dist-info/DESCRIPTION.rst,sha256=PQ4sBsMyKFZkjC6QpmbpLn0UtCNyeb-ZqvCGEgyZMGk,2174 +chardet-3.0.4.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +chardet-3.0.4.dist-info/METADATA,sha256=RV_2I4B1Z586DL8oVO5Kp7X5bUdQ5EuKAvNoAEF8wSw,3239 +chardet-3.0.4.dist-info/RECORD,, +chardet-3.0.4.dist-info/WHEEL,sha256=o2k-Qa-RMNIJmUdIc7KU6VWR_ErNRbWNlxDIpl7lm34,110 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+chardet/latin1prober.py,sha256=S2IoORhFk39FEFOlSFWtgVybRiP6h7BlLldHVclNkU8,5370 +chardet/mbcharsetprober.py,sha256=AR95eFH9vuqSfvLQZN-L5ijea25NOBCoXqw8s5O9xLQ,3413 +chardet/mbcsgroupprober.py,sha256=h6TRnnYq2OxG1WdD5JOyxcdVpn7dG0q-vB8nWr5mbh4,2012 +chardet/mbcssm.py,sha256=SY32wVIF3HzcjY3BaEspy9metbNSKxIIB0RKPn7tjpI,25481 +chardet/sbcharsetprober.py,sha256=LDSpCldDCFlYwUkGkwD2oFxLlPWIWXT09akH_2PiY74,5657 +chardet/sbcsgroupprober.py,sha256=1IprcCB_k1qfmnxGC6MBbxELlKqD3scW6S8YIwdeyXA,3546 +chardet/sjisprober.py,sha256=IIt-lZj0WJqK4rmUZzKZP4GJlE8KUEtFYVuY96ek5MQ,3774 +chardet/universaldetector.py,sha256=qL0174lSZE442eB21nnktT9_VcAye07laFWUeUrjttY,12485 +chardet/utf8prober.py,sha256=IdD8v3zWOsB8OLiyPi-y_fqwipRFxV9Nc1eKBLSuIEw,2766 +chardet/version.py,sha256=sp3B08mrDXB-pf3K9fqJ_zeDHOCLC8RrngQyDFap_7g,242 diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/WHEEL b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/WHEEL new file mode 100644 index 0000000..8b6dd1b --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.29.0) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/entry_points.txt b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/entry_points.txt new file mode 100644 index 0000000..a884269 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +chardetect = chardet.cli.chardetect:main + diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/metadata.json b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/metadata.json new file mode 100644 index 0000000..8cdf025 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/metadata.json @@ -0,0 +1 @@ +{"classifiers": ["Development Status :: 4 - Beta", "Intended Audience :: Developers", "License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.6", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: 3.6", "Topic :: Software Development :: Libraries :: Python Modules", "Topic :: Text Processing :: Linguistic"], "extensions": {"python.commands": {"wrap_console": {"chardetect": "chardet.cli.chardetect:main"}}, "python.details": {"contacts": [{"email": "dan.blanchard@gmail.com", "name": "Daniel Blanchard", "role": "author"}], "document_names": {"description": "DESCRIPTION.rst"}, "project_urls": {"Home": "https://github.com/chardet/chardet"}}, "python.exports": {"console_scripts": {"chardetect": "chardet.cli.chardetect:main"}}}, "generator": "bdist_wheel (0.29.0)", "keywords": ["encoding", "i18n", "xml"], "license": "LGPL", "metadata_version": "2.0", "name": "chardet", "summary": "Universal encoding detector for Python 2 and 3", "test_requires": [{"requires": ["hypothesis", "pytest"]}], "version": "3.0.4"} \ No newline at end of file diff --git a/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/top_level.txt new file mode 100644 index 0000000..79236f2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet-3.0.4.dist-info/top_level.txt @@ -0,0 +1 @@ +chardet diff --git a/venv/lib/python3.7/site-packages/chardet/__init__.py b/venv/lib/python3.7/site-packages/chardet/__init__.py new file mode 100644 index 0000000..0f9f820 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/__init__.py @@ -0,0 +1,39 @@ +######################## BEGIN LICENSE BLOCK ######################## +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +from .compat import PY2, PY3 +from .universaldetector import UniversalDetector +from .version import __version__, VERSION + + +def detect(byte_str): + """ + Detect the encoding of the given byte string. + + :param byte_str: The byte sequence to examine. + :type byte_str: ``bytes`` or ``bytearray`` + """ + if not isinstance(byte_str, bytearray): + if not isinstance(byte_str, bytes): + raise TypeError('Expected object of type bytes or bytearray, got: ' + '{0}'.format(type(byte_str))) + else: + byte_str = bytearray(byte_str) + detector = UniversalDetector() + detector.feed(byte_str) + return detector.close() diff --git a/venv/lib/python3.7/site-packages/chardet/big5freq.py b/venv/lib/python3.7/site-packages/chardet/big5freq.py new file mode 100644 index 0000000..38f3251 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/big5freq.py @@ -0,0 +1,386 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Big5 frequency table +# by Taiwan's Mandarin Promotion Council +# +# +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Ideal Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +BIG5_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +#Char to FreqOrder table +BIG5_TABLE_SIZE = 5376 + +BIG5_CHAR_TO_FREQ_ORDER = ( + 1,1801,1506, 255,1431, 198, 9, 82, 6,5008, 177, 202,3681,1256,2821, 110, # 16 +3814, 33,3274, 261, 76, 44,2114, 16,2946,2187,1176, 659,3971, 26,3451,2653, # 32 +1198,3972,3350,4202, 410,2215, 302, 590, 361,1964, 8, 204, 58,4510,5009,1932, # 48 + 63,5010,5011, 317,1614, 75, 222, 159,4203,2417,1480,5012,3555,3091, 224,2822, # 64 +3682, 3, 10,3973,1471, 29,2787,1135,2866,1940, 873, 130,3275,1123, 312,5013, # 80 +4511,2052, 507, 252, 682,5014, 142,1915, 124, 206,2947, 34,3556,3204, 64, 604, # 96 +5015,2501,1977,1978, 155,1991, 645, 641,1606,5016,3452, 337, 72, 406,5017, 80, # 112 + 630, 238,3205,1509, 263, 939,1092,2654, 756,1440,1094,3453, 449, 69,2987, 591, # 128 + 179,2096, 471, 115,2035,1844, 60, 50,2988, 134, 806,1869, 734,2036,3454, 180, # 144 + 995,1607, 156, 537,2907, 688,5018, 319,1305, 779,2145, 514,2379, 298,4512, 359, # 160 +2502, 90,2716,1338, 663, 11, 906,1099,2553, 20,2441, 182, 532,1716,5019, 732, # 176 +1376,4204,1311,1420,3206, 25,2317,1056, 113, 399, 382,1950, 242,3455,2474, 529, # 192 +3276, 475,1447,3683,5020, 117, 21, 656, 810,1297,2300,2334,3557,5021, 126,4205, # 208 + 706, 456, 150, 613,4513, 71,1118,2037,4206, 145,3092, 85, 835, 486,2115,1246, # 224 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,5022,2128,2359, 347,3815, 221, # 240 +3558,3135,5023,1956,1153,4207, 83, 296,1199,3093, 192, 624, 93,5024, 822,1898, # 256 +2823,3136, 795,2065, 991,1554,1542,1592, 27, 43,2867, 859, 139,1456, 860,4514, # 272 + 437, 712,3974, 164,2397,3137, 695, 211,3037,2097, 195,3975,1608,3559,3560,3684, # 288 +3976, 234, 811,2989,2098,3977,2233,1441,3561,1615,2380, 668,2077,1638, 305, 228, # 304 +1664,4515, 467, 415,5025, 262,2099,1593, 239, 108, 300, 200,1033, 512,1247,2078, # 320 +5026,5027,2176,3207,3685,2682, 593, 845,1062,3277, 88,1723,2038,3978,1951, 212, # 336 + 266, 152, 149, 468,1899,4208,4516, 77, 187,5028,3038, 37, 5,2990,5029,3979, # 352 +5030,5031, 39,2524,4517,2908,3208,2079, 55, 148, 74,4518, 545, 483,1474,1029, # 368 +1665, 217,1870,1531,3138,1104,2655,4209, 24, 172,3562, 900,3980,3563,3564,4519, # 384 + 32,1408,2824,1312, 329, 487,2360,2251,2717, 784,2683, 4,3039,3351,1427,1789, # 400 + 188, 109, 499,5032,3686,1717,1790, 888,1217,3040,4520,5033,3565,5034,3352,1520, # 416 +3687,3981, 196,1034, 775,5035,5036, 929,1816, 249, 439, 38,5037,1063,5038, 794, # 432 +3982,1435,2301, 46, 178,3278,2066,5039,2381,5040, 214,1709,4521, 804, 35, 707, # 448 + 324,3688,1601,2554, 140, 459,4210,5041,5042,1365, 839, 272, 978,2262,2580,3456, # 464 +2129,1363,3689,1423, 697, 100,3094, 48, 70,1231, 495,3139,2196,5043,1294,5044, # 480 +2080, 462, 586,1042,3279, 853, 256, 988, 185,2382,3457,1698, 434,1084,5045,3458, # 496 + 314,2625,2788,4522,2335,2336, 569,2285, 637,1817,2525, 757,1162,1879,1616,3459, # 512 + 287,1577,2116, 768,4523,1671,2868,3566,2526,1321,3816, 909,2418,5046,4211, 933, # 528 +3817,4212,2053,2361,1222,4524, 765,2419,1322, 786,4525,5047,1920,1462,1677,2909, # 544 +1699,5048,4526,1424,2442,3140,3690,2600,3353,1775,1941,3460,3983,4213, 309,1369, # 560 +1130,2825, 364,2234,1653,1299,3984,3567,3985,3986,2656, 525,1085,3041, 902,2001, # 576 +1475, 964,4527, 421,1845,1415,1057,2286, 940,1364,3141, 376,4528,4529,1381, 7, # 592 +2527, 983,2383, 336,1710,2684,1846, 321,3461, 559,1131,3042,2752,1809,1132,1313, # 608 + 265,1481,1858,5049, 352,1203,2826,3280, 167,1089, 420,2827, 776, 792,1724,3568, # 624 +4214,2443,3281,5050,4215,5051, 446, 229, 333,2753, 901,3818,1200,1557,4530,2657, # 640 +1921, 395,2754,2685,3819,4216,1836, 125, 916,3209,2626,4531,5052,5053,3820,5054, # 656 +5055,5056,4532,3142,3691,1133,2555,1757,3462,1510,2318,1409,3569,5057,2146, 438, # 672 +2601,2910,2384,3354,1068, 958,3043, 461, 311,2869,2686,4217,1916,3210,4218,1979, # 688 + 383, 750,2755,2627,4219, 274, 539, 385,1278,1442,5058,1154,1965, 384, 561, 210, # 704 + 98,1295,2556,3570,5059,1711,2420,1482,3463,3987,2911,1257, 129,5060,3821, 642, # 720 + 523,2789,2790,2658,5061, 141,2235,1333, 68, 176, 441, 876, 907,4220, 603,2602, # 736 + 710, 171,3464, 404, 549, 18,3143,2398,1410,3692,1666,5062,3571,4533,2912,4534, # 752 +5063,2991, 368,5064, 146, 366, 99, 871,3693,1543, 748, 807,1586,1185, 22,2263, # 768 + 379,3822,3211,5065,3212, 505,1942,2628,1992,1382,2319,5066, 380,2362, 218, 702, # 784 +1818,1248,3465,3044,3572,3355,3282,5067,2992,3694, 930,3283,3823,5068, 59,5069, # 800 + 585, 601,4221, 497,3466,1112,1314,4535,1802,5070,1223,1472,2177,5071, 749,1837, # 816 + 690,1900,3824,1773,3988,1476, 429,1043,1791,2236,2117, 917,4222, 447,1086,1629, # 832 +5072, 556,5073,5074,2021,1654, 844,1090, 105, 550, 966,1758,2828,1008,1783, 686, # 848 +1095,5075,2287, 793,1602,5076,3573,2603,4536,4223,2948,2302,4537,3825, 980,2503, # 864 + 544, 353, 527,4538, 908,2687,2913,5077, 381,2629,1943,1348,5078,1341,1252, 560, # 880 +3095,5079,3467,2870,5080,2054, 973, 886,2081, 143,4539,5081,5082, 157,3989, 496, # 896 +4224, 57, 840, 540,2039,4540,4541,3468,2118,1445, 970,2264,1748,1966,2082,4225, # 912 +3144,1234,1776,3284,2829,3695, 773,1206,2130,1066,2040,1326,3990,1738,1725,4226, # 928 + 279,3145, 51,1544,2604, 423,1578,2131,2067, 173,4542,1880,5083,5084,1583, 264, # 944 + 610,3696,4543,2444, 280, 154,5085,5086,5087,1739, 338,1282,3096, 693,2871,1411, # 960 +1074,3826,2445,5088,4544,5089,5090,1240, 952,2399,5091,2914,1538,2688, 685,1483, # 976 +4227,2475,1436, 953,4228,2055,4545, 671,2400, 79,4229,2446,3285, 608, 567,2689, # 992 +3469,4230,4231,1691, 393,1261,1792,2401,5092,4546,5093,5094,5095,5096,1383,1672, # 1008 +3827,3213,1464, 522,1119, 661,1150, 216, 675,4547,3991,1432,3574, 609,4548,2690, # 1024 +2402,5097,5098,5099,4232,3045, 0,5100,2476, 315, 231,2447, 301,3356,4549,2385, # 1040 +5101, 233,4233,3697,1819,4550,4551,5102, 96,1777,1315,2083,5103, 257,5104,1810, # 1056 +3698,2718,1139,1820,4234,2022,1124,2164,2791,1778,2659,5105,3097, 363,1655,3214, # 1072 +5106,2993,5107,5108,5109,3992,1567,3993, 718, 103,3215, 849,1443, 341,3357,2949, # 1088 +1484,5110,1712, 127, 67, 339,4235,2403, 679,1412, 821,5111,5112, 834, 738, 351, # 1104 +2994,2147, 846, 235,1497,1881, 418,1993,3828,2719, 186,1100,2148,2756,3575,1545, # 1120 +1355,2950,2872,1377, 583,3994,4236,2581,2995,5113,1298,3699,1078,2557,3700,2363, # 1136 + 78,3829,3830, 267,1289,2100,2002,1594,4237, 348, 369,1274,2197,2178,1838,4552, # 1152 +1821,2830,3701,2757,2288,2003,4553,2951,2758, 144,3358, 882,4554,3995,2759,3470, # 1168 +4555,2915,5114,4238,1726, 320,5115,3996,3046, 788,2996,5116,2831,1774,1327,2873, # 1184 +3997,2832,5117,1306,4556,2004,1700,3831,3576,2364,2660, 787,2023, 506, 824,3702, # 1200 + 534, 323,4557,1044,3359,2024,1901, 946,3471,5118,1779,1500,1678,5119,1882,4558, # 1216 + 165, 243,4559,3703,2528, 123, 683,4239, 764,4560, 36,3998,1793, 589,2916, 816, # 1232 + 626,1667,3047,2237,1639,1555,1622,3832,3999,5120,4000,2874,1370,1228,1933, 891, # 1248 +2084,2917, 304,4240,5121, 292,2997,2720,3577, 691,2101,4241,1115,4561, 118, 662, # 1264 +5122, 611,1156, 854,2386,1316,2875, 2, 386, 515,2918,5123,5124,3286, 868,2238, # 1280 +1486, 855,2661, 785,2216,3048,5125,1040,3216,3578,5126,3146, 448,5127,1525,5128, # 1296 +2165,4562,5129,3833,5130,4242,2833,3579,3147, 503, 818,4001,3148,1568, 814, 676, # 1312 +1444, 306,1749,5131,3834,1416,1030, 197,1428, 805,2834,1501,4563,5132,5133,5134, # 1328 +1994,5135,4564,5136,5137,2198, 13,2792,3704,2998,3149,1229,1917,5138,3835,2132, # 1344 +5139,4243,4565,2404,3580,5140,2217,1511,1727,1120,5141,5142, 646,3836,2448, 307, # 1360 +5143,5144,1595,3217,5145,5146,5147,3705,1113,1356,4002,1465,2529,2530,5148, 519, # 1376 +5149, 128,2133, 92,2289,1980,5150,4003,1512, 342,3150,2199,5151,2793,2218,1981, # 1392 +3360,4244, 290,1656,1317, 789, 827,2365,5152,3837,4566, 562, 581,4004,5153, 401, # 1408 +4567,2252, 94,4568,5154,1399,2794,5155,1463,2025,4569,3218,1944,5156, 828,1105, # 1424 +4245,1262,1394,5157,4246, 605,4570,5158,1784,2876,5159,2835, 819,2102, 578,2200, # 1440 +2952,5160,1502, 436,3287,4247,3288,2836,4005,2919,3472,3473,5161,2721,2320,5162, # 1456 +5163,2337,2068, 23,4571, 193, 826,3838,2103, 699,1630,4248,3098, 390,1794,1064, # 1472 +3581,5164,1579,3099,3100,1400,5165,4249,1839,1640,2877,5166,4572,4573, 137,4250, # 1488 + 598,3101,1967, 780, 104, 974,2953,5167, 278, 899, 253, 402, 572, 504, 493,1339, # 1504 +5168,4006,1275,4574,2582,2558,5169,3706,3049,3102,2253, 565,1334,2722, 863, 41, # 1520 +5170,5171,4575,5172,1657,2338, 19, 463,2760,4251, 606,5173,2999,3289,1087,2085, # 1536 +1323,2662,3000,5174,1631,1623,1750,4252,2691,5175,2878, 791,2723,2663,2339, 232, # 1552 +2421,5176,3001,1498,5177,2664,2630, 755,1366,3707,3290,3151,2026,1609, 119,1918, # 1568 +3474, 862,1026,4253,5178,4007,3839,4576,4008,4577,2265,1952,2477,5179,1125, 817, # 1584 +4254,4255,4009,1513,1766,2041,1487,4256,3050,3291,2837,3840,3152,5180,5181,1507, # 1600 +5182,2692, 733, 40,1632,1106,2879, 345,4257, 841,2531, 230,4578,3002,1847,3292, # 1616 +3475,5183,1263, 986,3476,5184, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562, # 1632 +4010,4011,2954, 967,2761,2665,1349, 592,2134,1692,3361,3003,1995,4258,1679,4012, # 1648 +1902,2188,5185, 739,3708,2724,1296,1290,5186,4259,2201,2202,1922,1563,2605,2559, # 1664 +1871,2762,3004,5187, 435,5188, 343,1108, 596, 17,1751,4579,2239,3477,3709,5189, # 1680 +4580, 294,3582,2955,1693, 477, 979, 281,2042,3583, 643,2043,3710,2631,2795,2266, # 1696 +1031,2340,2135,2303,3584,4581, 367,1249,2560,5190,3585,5191,4582,1283,3362,2005, # 1712 + 240,1762,3363,4583,4584, 836,1069,3153, 474,5192,2149,2532, 268,3586,5193,3219, # 1728 +1521,1284,5194,1658,1546,4260,5195,3587,3588,5196,4261,3364,2693,1685,4262, 961, # 1744 +1673,2632, 190,2006,2203,3841,4585,4586,5197, 570,2504,3711,1490,5198,4587,2633, # 1760 +3293,1957,4588, 584,1514, 396,1045,1945,5199,4589,1968,2449,5200,5201,4590,4013, # 1776 + 619,5202,3154,3294, 215,2007,2796,2561,3220,4591,3221,4592, 763,4263,3842,4593, # 1792 +5203,5204,1958,1767,2956,3365,3712,1174, 452,1477,4594,3366,3155,5205,2838,1253, # 1808 +2387,2189,1091,2290,4264, 492,5206, 638,1169,1825,2136,1752,4014, 648, 926,1021, # 1824 +1324,4595, 520,4596, 997, 847,1007, 892,4597,3843,2267,1872,3713,2405,1785,4598, # 1840 +1953,2957,3103,3222,1728,4265,2044,3714,4599,2008,1701,3156,1551, 30,2268,4266, # 1856 +5207,2027,4600,3589,5208, 501,5209,4267, 594,3478,2166,1822,3590,3479,3591,3223, # 1872 + 829,2839,4268,5210,1680,3157,1225,4269,5211,3295,4601,4270,3158,2341,5212,4602, # 1888 +4271,5213,4015,4016,5214,1848,2388,2606,3367,5215,4603, 374,4017, 652,4272,4273, # 1904 + 375,1140, 798,5216,5217,5218,2366,4604,2269, 546,1659, 138,3051,2450,4605,5219, # 1920 +2254, 612,1849, 910, 796,3844,1740,1371, 825,3845,3846,5220,2920,2562,5221, 692, # 1936 + 444,3052,2634, 801,4606,4274,5222,1491, 244,1053,3053,4275,4276, 340,5223,4018, # 1952 +1041,3005, 293,1168, 87,1357,5224,1539, 959,5225,2240, 721, 694,4277,3847, 219, # 1968 +1478, 644,1417,3368,2666,1413,1401,1335,1389,4019,5226,5227,3006,2367,3159,1826, # 1984 + 730,1515, 184,2840, 66,4607,5228,1660,2958, 246,3369, 378,1457, 226,3480, 975, # 2000 +4020,2959,1264,3592, 674, 696,5229, 163,5230,1141,2422,2167, 713,3593,3370,4608, # 2016 +4021,5231,5232,1186, 15,5233,1079,1070,5234,1522,3224,3594, 276,1050,2725, 758, # 2032 +1126, 653,2960,3296,5235,2342, 889,3595,4022,3104,3007, 903,1250,4609,4023,3481, # 2048 +3596,1342,1681,1718, 766,3297, 286, 89,2961,3715,5236,1713,5237,2607,3371,3008, # 2064 +5238,2962,2219,3225,2880,5239,4610,2505,2533, 181, 387,1075,4024, 731,2190,3372, # 2080 +5240,3298, 310, 313,3482,2304, 770,4278, 54,3054, 189,4611,3105,3848,4025,5241, # 2096 +1230,1617,1850, 355,3597,4279,4612,3373, 111,4280,3716,1350,3160,3483,3055,4281, # 2112 +2150,3299,3598,5242,2797,4026,4027,3009, 722,2009,5243,1071, 247,1207,2343,2478, # 2128 +1378,4613,2010, 864,1437,1214,4614, 373,3849,1142,2220, 667,4615, 442,2763,2563, # 2144 +3850,4028,1969,4282,3300,1840, 837, 170,1107, 934,1336,1883,5244,5245,2119,4283, # 2160 +2841, 743,1569,5246,4616,4284, 582,2389,1418,3484,5247,1803,5248, 357,1395,1729, # 2176 +3717,3301,2423,1564,2241,5249,3106,3851,1633,4617,1114,2086,4285,1532,5250, 482, # 2192 +2451,4618,5251,5252,1492, 833,1466,5253,2726,3599,1641,2842,5254,1526,1272,3718, # 2208 +4286,1686,1795, 416,2564,1903,1954,1804,5255,3852,2798,3853,1159,2321,5256,2881, # 2224 +4619,1610,1584,3056,2424,2764, 443,3302,1163,3161,5257,5258,4029,5259,4287,2506, # 2240 +3057,4620,4030,3162,2104,1647,3600,2011,1873,4288,5260,4289, 431,3485,5261, 250, # 2256 + 97, 81,4290,5262,1648,1851,1558, 160, 848,5263, 866, 740,1694,5264,2204,2843, # 2272 +3226,4291,4621,3719,1687, 950,2479, 426, 469,3227,3720,3721,4031,5265,5266,1188, # 2288 + 424,1996, 861,3601,4292,3854,2205,2694, 168,1235,3602,4293,5267,2087,1674,4622, # 2304 +3374,3303, 220,2565,1009,5268,3855, 670,3010, 332,1208, 717,5269,5270,3603,2452, # 2320 +4032,3375,5271, 513,5272,1209,2882,3376,3163,4623,1080,5273,5274,5275,5276,2534, # 2336 +3722,3604, 815,1587,4033,4034,5277,3605,3486,3856,1254,4624,1328,3058,1390,4035, # 2352 +1741,4036,3857,4037,5278, 236,3858,2453,3304,5279,5280,3723,3859,1273,3860,4625, # 2368 +5281, 308,5282,4626, 245,4627,1852,2480,1307,2583, 430, 715,2137,2454,5283, 270, # 2384 + 199,2883,4038,5284,3606,2727,1753, 761,1754, 725,1661,1841,4628,3487,3724,5285, # 2400 +5286, 587, 14,3305, 227,2608, 326, 480,2270, 943,2765,3607, 291, 650,1884,5287, # 2416 +1702,1226, 102,1547, 62,3488, 904,4629,3489,1164,4294,5288,5289,1224,1548,2766, # 2432 + 391, 498,1493,5290,1386,1419,5291,2056,1177,4630, 813, 880,1081,2368, 566,1145, # 2448 +4631,2291,1001,1035,2566,2609,2242, 394,1286,5292,5293,2069,5294, 86,1494,1730, # 2464 +4039, 491,1588, 745, 897,2963, 843,3377,4040,2767,2884,3306,1768, 998,2221,2070, # 2480 + 397,1827,1195,1970,3725,3011,3378, 284,5295,3861,2507,2138,2120,1904,5296,4041, # 2496 +2151,4042,4295,1036,3490,1905, 114,2567,4296, 209,1527,5297,5298,2964,2844,2635, # 2512 +2390,2728,3164, 812,2568,5299,3307,5300,1559, 737,1885,3726,1210, 885, 28,2695, # 2528 +3608,3862,5301,4297,1004,1780,4632,5302, 346,1982,2222,2696,4633,3863,1742, 797, # 2544 +1642,4043,1934,1072,1384,2152, 896,4044,3308,3727,3228,2885,3609,5303,2569,1959, # 2560 +4634,2455,1786,5304,5305,5306,4045,4298,1005,1308,3728,4299,2729,4635,4636,1528, # 2576 +2610, 161,1178,4300,1983, 987,4637,1101,4301, 631,4046,1157,3229,2425,1343,1241, # 2592 +1016,2243,2570, 372, 877,2344,2508,1160, 555,1935, 911,4047,5307, 466,1170, 169, # 2608 +1051,2921,2697,3729,2481,3012,1182,2012,2571,1251,2636,5308, 992,2345,3491,1540, # 2624 +2730,1201,2071,2406,1997,2482,5309,4638, 528,1923,2191,1503,1874,1570,2369,3379, # 2640 +3309,5310, 557,1073,5311,1828,3492,2088,2271,3165,3059,3107, 767,3108,2799,4639, # 2656 +1006,4302,4640,2346,1267,2179,3730,3230, 778,4048,3231,2731,1597,2667,5312,4641, # 2672 +5313,3493,5314,5315,5316,3310,2698,1433,3311, 131, 95,1504,4049, 723,4303,3166, # 2688 +1842,3610,2768,2192,4050,2028,2105,3731,5317,3013,4051,1218,5318,3380,3232,4052, # 2704 +4304,2584, 248,1634,3864, 912,5319,2845,3732,3060,3865, 654, 53,5320,3014,5321, # 2720 +1688,4642, 777,3494,1032,4053,1425,5322, 191, 820,2121,2846, 971,4643, 931,3233, # 2736 + 135, 664, 783,3866,1998, 772,2922,1936,4054,3867,4644,2923,3234, 282,2732, 640, # 2752 +1372,3495,1127, 922, 325,3381,5323,5324, 711,2045,5325,5326,4055,2223,2800,1937, # 2768 +4056,3382,2224,2255,3868,2305,5327,4645,3869,1258,3312,4057,3235,2139,2965,4058, # 2784 +4059,5328,2225, 258,3236,4646, 101,1227,5329,3313,1755,5330,1391,3314,5331,2924, # 2800 +2057, 893,5332,5333,5334,1402,4305,2347,5335,5336,3237,3611,5337,5338, 878,1325, # 2816 +1781,2801,4647, 259,1385,2585, 744,1183,2272,4648,5339,4060,2509,5340, 684,1024, # 2832 +4306,5341, 472,3612,3496,1165,3315,4061,4062, 322,2153, 881, 455,1695,1152,1340, # 2848 + 660, 554,2154,4649,1058,4650,4307, 830,1065,3383,4063,4651,1924,5342,1703,1919, # 2864 +5343, 932,2273, 122,5344,4652, 947, 677,5345,3870,2637, 297,1906,1925,2274,4653, # 2880 +2322,3316,5346,5347,4308,5348,4309, 84,4310, 112, 989,5349, 547,1059,4064, 701, # 2896 +3613,1019,5350,4311,5351,3497, 942, 639, 457,2306,2456, 993,2966, 407, 851, 494, # 2912 +4654,3384, 927,5352,1237,5353,2426,3385, 573,4312, 680, 921,2925,1279,1875, 285, # 2928 + 790,1448,1984, 719,2168,5354,5355,4655,4065,4066,1649,5356,1541, 563,5357,1077, # 2944 +5358,3386,3061,3498, 511,3015,4067,4068,3733,4069,1268,2572,3387,3238,4656,4657, # 2960 +5359, 535,1048,1276,1189,2926,2029,3167,1438,1373,2847,2967,1134,2013,5360,4313, # 2976 +1238,2586,3109,1259,5361, 700,5362,2968,3168,3734,4314,5363,4315,1146,1876,1907, # 2992 +4658,2611,4070, 781,2427, 132,1589, 203, 147, 273,2802,2407, 898,1787,2155,4071, # 3008 +4072,5364,3871,2803,5365,5366,4659,4660,5367,3239,5368,1635,3872, 965,5369,1805, # 3024 +2699,1516,3614,1121,1082,1329,3317,4073,1449,3873, 65,1128,2848,2927,2769,1590, # 3040 +3874,5370,5371, 12,2668, 45, 976,2587,3169,4661, 517,2535,1013,1037,3240,5372, # 3056 +3875,2849,5373,3876,5374,3499,5375,2612, 614,1999,2323,3877,3110,2733,2638,5376, # 3072 +2588,4316, 599,1269,5377,1811,3735,5378,2700,3111, 759,1060, 489,1806,3388,3318, # 3088 +1358,5379,5380,2391,1387,1215,2639,2256, 490,5381,5382,4317,1759,2392,2348,5383, # 3104 +4662,3878,1908,4074,2640,1807,3241,4663,3500,3319,2770,2349, 874,5384,5385,3501, # 3120 +3736,1859, 91,2928,3737,3062,3879,4664,5386,3170,4075,2669,5387,3502,1202,1403, # 3136 +3880,2969,2536,1517,2510,4665,3503,2511,5388,4666,5389,2701,1886,1495,1731,4076, # 3152 +2370,4667,5390,2030,5391,5392,4077,2702,1216, 237,2589,4318,2324,4078,3881,4668, # 3168 +4669,2703,3615,3504, 445,4670,5393,5394,5395,5396,2771, 61,4079,3738,1823,4080, # 3184 +5397, 687,2046, 935, 925, 405,2670, 703,1096,1860,2734,4671,4081,1877,1367,2704, # 3200 +3389, 918,2106,1782,2483, 334,3320,1611,1093,4672, 564,3171,3505,3739,3390, 945, # 3216 +2641,2058,4673,5398,1926, 872,4319,5399,3506,2705,3112, 349,4320,3740,4082,4674, # 3232 +3882,4321,3741,2156,4083,4675,4676,4322,4677,2408,2047, 782,4084, 400, 251,4323, # 3248 +1624,5400,5401, 277,3742, 299,1265, 476,1191,3883,2122,4324,4325,1109, 205,5402, # 3264 +2590,1000,2157,3616,1861,5403,5404,5405,4678,5406,4679,2573, 107,2484,2158,4085, # 3280 +3507,3172,5407,1533, 541,1301, 158, 753,4326,2886,3617,5408,1696, 370,1088,4327, # 3296 +4680,3618, 579, 327, 440, 162,2244, 269,1938,1374,3508, 968,3063, 56,1396,3113, # 3312 +2107,3321,3391,5409,1927,2159,4681,3016,5410,3619,5411,5412,3743,4682,2485,5413, # 3328 +2804,5414,1650,4683,5415,2613,5416,5417,4086,2671,3392,1149,3393,4087,3884,4088, # 3344 +5418,1076, 49,5419, 951,3242,3322,3323, 450,2850, 920,5420,1812,2805,2371,4328, # 3360 +1909,1138,2372,3885,3509,5421,3243,4684,1910,1147,1518,2428,4685,3886,5422,4686, # 3376 +2393,2614, 260,1796,3244,5423,5424,3887,3324, 708,5425,3620,1704,5426,3621,1351, # 3392 +1618,3394,3017,1887, 944,4329,3395,4330,3064,3396,4331,5427,3744, 422, 413,1714, # 3408 +3325, 500,2059,2350,4332,2486,5428,1344,1911, 954,5429,1668,5430,5431,4089,2409, # 3424 +4333,3622,3888,4334,5432,2307,1318,2512,3114, 133,3115,2887,4687, 629, 31,2851, # 3440 +2706,3889,4688, 850, 949,4689,4090,2970,1732,2089,4335,1496,1853,5433,4091, 620, # 3456 +3245, 981,1242,3745,3397,1619,3746,1643,3326,2140,2457,1971,1719,3510,2169,5434, # 3472 +3246,5435,5436,3398,1829,5437,1277,4690,1565,2048,5438,1636,3623,3116,5439, 869, # 3488 +2852, 655,3890,3891,3117,4092,3018,3892,1310,3624,4691,5440,5441,5442,1733, 558, # 3504 +4692,3747, 335,1549,3065,1756,4336,3748,1946,3511,1830,1291,1192, 470,2735,2108, # 3520 +2806, 913,1054,4093,5443,1027,5444,3066,4094,4693, 982,2672,3399,3173,3512,3247, # 3536 +3248,1947,2807,5445, 571,4694,5446,1831,5447,3625,2591,1523,2429,5448,2090, 984, # 3552 +4695,3749,1960,5449,3750, 852, 923,2808,3513,3751, 969,1519, 999,2049,2325,1705, # 3568 +5450,3118, 615,1662, 151, 597,4095,2410,2326,1049, 275,4696,3752,4337, 568,3753, # 3584 +3626,2487,4338,3754,5451,2430,2275, 409,3249,5452,1566,2888,3514,1002, 769,2853, # 3600 + 194,2091,3174,3755,2226,3327,4339, 628,1505,5453,5454,1763,2180,3019,4096, 521, # 3616 +1161,2592,1788,2206,2411,4697,4097,1625,4340,4341, 412, 42,3119, 464,5455,2642, # 3632 +4698,3400,1760,1571,2889,3515,2537,1219,2207,3893,2643,2141,2373,4699,4700,3328, # 3648 +1651,3401,3627,5456,5457,3628,2488,3516,5458,3756,5459,5460,2276,2092, 460,5461, # 3664 +4701,5462,3020, 962, 588,3629, 289,3250,2644,1116, 52,5463,3067,1797,5464,5465, # 3680 +5466,1467,5467,1598,1143,3757,4342,1985,1734,1067,4702,1280,3402, 465,4703,1572, # 3696 + 510,5468,1928,2245,1813,1644,3630,5469,4704,3758,5470,5471,2673,1573,1534,5472, # 3712 +5473, 536,1808,1761,3517,3894,3175,2645,5474,5475,5476,4705,3518,2929,1912,2809, # 3728 +5477,3329,1122, 377,3251,5478, 360,5479,5480,4343,1529, 551,5481,2060,3759,1769, # 3744 +2431,5482,2930,4344,3330,3120,2327,2109,2031,4706,1404, 136,1468,1479, 672,1171, # 3760 +3252,2308, 271,3176,5483,2772,5484,2050, 678,2736, 865,1948,4707,5485,2014,4098, # 3776 +2971,5486,2737,2227,1397,3068,3760,4708,4709,1735,2931,3403,3631,5487,3895, 509, # 3792 +2854,2458,2890,3896,5488,5489,3177,3178,4710,4345,2538,4711,2309,1166,1010, 552, # 3808 + 681,1888,5490,5491,2972,2973,4099,1287,1596,1862,3179, 358, 453, 736, 175, 478, # 3824 +1117, 905,1167,1097,5492,1854,1530,5493,1706,5494,2181,3519,2292,3761,3520,3632, # 3840 +4346,2093,4347,5495,3404,1193,2489,4348,1458,2193,2208,1863,1889,1421,3331,2932, # 3856 +3069,2182,3521, 595,2123,5496,4100,5497,5498,4349,1707,2646, 223,3762,1359, 751, # 3872 +3121, 183,3522,5499,2810,3021, 419,2374, 633, 704,3897,2394, 241,5500,5501,5502, # 3888 + 838,3022,3763,2277,2773,2459,3898,1939,2051,4101,1309,3122,2246,1181,5503,1136, # 3904 +2209,3899,2375,1446,4350,2310,4712,5504,5505,4351,1055,2615, 484,3764,5506,4102, # 3920 + 625,4352,2278,3405,1499,4353,4103,5507,4104,4354,3253,2279,2280,3523,5508,5509, # 3936 +2774, 808,2616,3765,3406,4105,4355,3123,2539, 526,3407,3900,4356, 955,5510,1620, # 3952 +4357,2647,2432,5511,1429,3766,1669,1832, 994, 928,5512,3633,1260,5513,5514,5515, # 3968 +1949,2293, 741,2933,1626,4358,2738,2460, 867,1184, 362,3408,1392,5516,5517,4106, # 3984 +4359,1770,1736,3254,2934,4713,4714,1929,2707,1459,1158,5518,3070,3409,2891,1292, # 4000 +1930,2513,2855,3767,1986,1187,2072,2015,2617,4360,5519,2574,2514,2170,3768,2490, # 4016 +3332,5520,3769,4715,5521,5522, 666,1003,3023,1022,3634,4361,5523,4716,1814,2257, # 4032 + 574,3901,1603, 295,1535, 705,3902,4362, 283, 858, 417,5524,5525,3255,4717,4718, # 4048 +3071,1220,1890,1046,2281,2461,4107,1393,1599, 689,2575, 388,4363,5526,2491, 802, # 4064 +5527,2811,3903,2061,1405,2258,5528,4719,3904,2110,1052,1345,3256,1585,5529, 809, # 4080 +5530,5531,5532, 575,2739,3524, 956,1552,1469,1144,2328,5533,2329,1560,2462,3635, # 4096 +3257,4108, 616,2210,4364,3180,2183,2294,5534,1833,5535,3525,4720,5536,1319,3770, # 4112 +3771,1211,3636,1023,3258,1293,2812,5537,5538,5539,3905, 607,2311,3906, 762,2892, # 4128 +1439,4365,1360,4721,1485,3072,5540,4722,1038,4366,1450,2062,2648,4367,1379,4723, # 4144 +2593,5541,5542,4368,1352,1414,2330,2935,1172,5543,5544,3907,3908,4724,1798,1451, # 4160 +5545,5546,5547,5548,2936,4109,4110,2492,2351, 411,4111,4112,3637,3333,3124,4725, # 4176 +1561,2674,1452,4113,1375,5549,5550, 47,2974, 316,5551,1406,1591,2937,3181,5552, # 4192 +1025,2142,3125,3182, 354,2740, 884,2228,4369,2412, 508,3772, 726,3638, 996,2433, # 4208 +3639, 729,5553, 392,2194,1453,4114,4726,3773,5554,5555,2463,3640,2618,1675,2813, # 4224 + 919,2352,2975,2353,1270,4727,4115, 73,5556,5557, 647,5558,3259,2856,2259,1550, # 4240 +1346,3024,5559,1332, 883,3526,5560,5561,5562,5563,3334,2775,5564,1212, 831,1347, # 4256 +4370,4728,2331,3909,1864,3073, 720,3910,4729,4730,3911,5565,4371,5566,5567,4731, # 4272 +5568,5569,1799,4732,3774,2619,4733,3641,1645,2376,4734,5570,2938, 669,2211,2675, # 4288 +2434,5571,2893,5572,5573,1028,3260,5574,4372,2413,5575,2260,1353,5576,5577,4735, # 4304 +3183, 518,5578,4116,5579,4373,1961,5580,2143,4374,5581,5582,3025,2354,2355,3912, # 4320 + 516,1834,1454,4117,2708,4375,4736,2229,2620,1972,1129,3642,5583,2776,5584,2976, # 4336 +1422, 577,1470,3026,1524,3410,5585,5586, 432,4376,3074,3527,5587,2594,1455,2515, # 4352 +2230,1973,1175,5588,1020,2741,4118,3528,4737,5589,2742,5590,1743,1361,3075,3529, # 4368 +2649,4119,4377,4738,2295, 895, 924,4378,2171, 331,2247,3076, 166,1627,3077,1098, # 4384 +5591,1232,2894,2231,3411,4739, 657, 403,1196,2377, 542,3775,3412,1600,4379,3530, # 4400 +5592,4740,2777,3261, 576, 530,1362,4741,4742,2540,2676,3776,4120,5593, 842,3913, # 4416 +5594,2814,2032,1014,4121, 213,2709,3413, 665, 621,4380,5595,3777,2939,2435,5596, # 4432 +2436,3335,3643,3414,4743,4381,2541,4382,4744,3644,1682,4383,3531,1380,5597, 724, # 4448 +2282, 600,1670,5598,1337,1233,4745,3126,2248,5599,1621,4746,5600, 651,4384,5601, # 4464 +1612,4385,2621,5602,2857,5603,2743,2312,3078,5604, 716,2464,3079, 174,1255,2710, # 4480 +4122,3645, 548,1320,1398, 728,4123,1574,5605,1891,1197,3080,4124,5606,3081,3082, # 4496 +3778,3646,3779, 747,5607, 635,4386,4747,5608,5609,5610,4387,5611,5612,4748,5613, # 4512 +3415,4749,2437, 451,5614,3780,2542,2073,4388,2744,4389,4125,5615,1764,4750,5616, # 4528 +4390, 350,4751,2283,2395,2493,5617,4391,4126,2249,1434,4127, 488,4752, 458,4392, # 4544 +4128,3781, 771,1330,2396,3914,2576,3184,2160,2414,1553,2677,3185,4393,5618,2494, # 4560 +2895,2622,1720,2711,4394,3416,4753,5619,2543,4395,5620,3262,4396,2778,5621,2016, # 4576 +2745,5622,1155,1017,3782,3915,5623,3336,2313, 201,1865,4397,1430,5624,4129,5625, # 4592 +5626,5627,5628,5629,4398,1604,5630, 414,1866, 371,2595,4754,4755,3532,2017,3127, # 4608 +4756,1708, 960,4399, 887, 389,2172,1536,1663,1721,5631,2232,4130,2356,2940,1580, # 4624 +5632,5633,1744,4757,2544,4758,4759,5634,4760,5635,2074,5636,4761,3647,3417,2896, # 4640 +4400,5637,4401,2650,3418,2815, 673,2712,2465, 709,3533,4131,3648,4402,5638,1148, # 4656 + 502, 634,5639,5640,1204,4762,3649,1575,4763,2623,3783,5641,3784,3128, 948,3263, # 4672 + 121,1745,3916,1110,5642,4403,3083,2516,3027,4132,3785,1151,1771,3917,1488,4133, # 4688 +1987,5643,2438,3534,5644,5645,2094,5646,4404,3918,1213,1407,2816, 531,2746,2545, # 4704 +3264,1011,1537,4764,2779,4405,3129,1061,5647,3786,3787,1867,2897,5648,2018, 120, # 4720 +4406,4407,2063,3650,3265,2314,3919,2678,3419,1955,4765,4134,5649,3535,1047,2713, # 4736 +1266,5650,1368,4766,2858, 649,3420,3920,2546,2747,1102,2859,2679,5651,5652,2000, # 4752 +5653,1111,3651,2977,5654,2495,3921,3652,2817,1855,3421,3788,5655,5656,3422,2415, # 4768 +2898,3337,3266,3653,5657,2577,5658,3654,2818,4135,1460, 856,5659,3655,5660,2899, # 4784 +2978,5661,2900,3922,5662,4408, 632,2517, 875,3923,1697,3924,2296,5663,5664,4767, # 4800 +3028,1239, 580,4768,4409,5665, 914, 936,2075,1190,4136,1039,2124,5666,5667,5668, # 4816 +5669,3423,1473,5670,1354,4410,3925,4769,2173,3084,4137, 915,3338,4411,4412,3339, # 4832 +1605,1835,5671,2748, 398,3656,4413,3926,4138, 328,1913,2860,4139,3927,1331,4414, # 4848 +3029, 937,4415,5672,3657,4140,4141,3424,2161,4770,3425, 524, 742, 538,3085,1012, # 4864 +5673,5674,3928,2466,5675, 658,1103, 225,3929,5676,5677,4771,5678,4772,5679,3267, # 4880 +1243,5680,4142, 963,2250,4773,5681,2714,3658,3186,5682,5683,2596,2332,5684,4774, # 4896 +5685,5686,5687,3536, 957,3426,2547,2033,1931,2941,2467, 870,2019,3659,1746,2780, # 4912 +2781,2439,2468,5688,3930,5689,3789,3130,3790,3537,3427,3791,5690,1179,3086,5691, # 4928 +3187,2378,4416,3792,2548,3188,3131,2749,4143,5692,3428,1556,2549,2297, 977,2901, # 4944 +2034,4144,1205,3429,5693,1765,3430,3189,2125,1271, 714,1689,4775,3538,5694,2333, # 4960 +3931, 533,4417,3660,2184, 617,5695,2469,3340,3539,2315,5696,5697,3190,5698,5699, # 4976 +3932,1988, 618, 427,2651,3540,3431,5700,5701,1244,1690,5702,2819,4418,4776,5703, # 4992 +3541,4777,5704,2284,1576, 473,3661,4419,3432, 972,5705,3662,5706,3087,5707,5708, # 5008 +4778,4779,5709,3793,4145,4146,5710, 153,4780, 356,5711,1892,2902,4420,2144, 408, # 5024 + 803,2357,5712,3933,5713,4421,1646,2578,2518,4781,4782,3934,5714,3935,4422,5715, # 5040 +2416,3433, 752,5716,5717,1962,3341,2979,5718, 746,3030,2470,4783,4423,3794, 698, # 5056 +4784,1893,4424,3663,2550,4785,3664,3936,5719,3191,3434,5720,1824,1302,4147,2715, # 5072 +3937,1974,4425,5721,4426,3192, 823,1303,1288,1236,2861,3542,4148,3435, 774,3938, # 5088 +5722,1581,4786,1304,2862,3939,4787,5723,2440,2162,1083,3268,4427,4149,4428, 344, # 5104 +1173, 288,2316, 454,1683,5724,5725,1461,4788,4150,2597,5726,5727,4789, 985, 894, # 5120 +5728,3436,3193,5729,1914,2942,3795,1989,5730,2111,1975,5731,4151,5732,2579,1194, # 5136 + 425,5733,4790,3194,1245,3796,4429,5734,5735,2863,5736, 636,4791,1856,3940, 760, # 5152 +1800,5737,4430,2212,1508,4792,4152,1894,1684,2298,5738,5739,4793,4431,4432,2213, # 5168 + 479,5740,5741, 832,5742,4153,2496,5743,2980,2497,3797, 990,3132, 627,1815,2652, # 5184 +4433,1582,4434,2126,2112,3543,4794,5744, 799,4435,3195,5745,4795,2113,1737,3031, # 5200 +1018, 543, 754,4436,3342,1676,4796,4797,4154,4798,1489,5746,3544,5747,2624,2903, # 5216 +4155,5748,5749,2981,5750,5751,5752,5753,3196,4799,4800,2185,1722,5754,3269,3270, # 5232 +1843,3665,1715, 481, 365,1976,1857,5755,5756,1963,2498,4801,5757,2127,3666,3271, # 5248 + 433,1895,2064,2076,5758, 602,2750,5759,5760,5761,5762,5763,3032,1628,3437,5764, # 5264 +3197,4802,4156,2904,4803,2519,5765,2551,2782,5766,5767,5768,3343,4804,2905,5769, # 5280 +4805,5770,2864,4806,4807,1221,2982,4157,2520,5771,5772,5773,1868,1990,5774,5775, # 5296 +5776,1896,5777,5778,4808,1897,4158, 318,5779,2095,4159,4437,5780,5781, 485,5782, # 5312 + 938,3941, 553,2680, 116,5783,3942,3667,5784,3545,2681,2783,3438,3344,2820,5785, # 5328 +3668,2943,4160,1747,2944,2983,5786,5787, 207,5788,4809,5789,4810,2521,5790,3033, # 5344 + 890,3669,3943,5791,1878,3798,3439,5792,2186,2358,3440,1652,5793,5794,5795, 941, # 5360 +2299, 208,3546,4161,2020, 330,4438,3944,2906,2499,3799,4439,4811,5796,5797,5798, # 5376 +) + diff --git a/venv/lib/python3.7/site-packages/chardet/big5prober.py b/venv/lib/python3.7/site-packages/chardet/big5prober.py new file mode 100644 index 0000000..98f9970 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/big5prober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import Big5DistributionAnalysis +from .mbcssm import BIG5_SM_MODEL + + +class Big5Prober(MultiByteCharSetProber): + def __init__(self): + super(Big5Prober, self).__init__() + self.coding_sm = CodingStateMachine(BIG5_SM_MODEL) + self.distribution_analyzer = Big5DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "Big5" + + @property + def language(self): + return "Chinese" diff --git a/venv/lib/python3.7/site-packages/chardet/chardistribution.py b/venv/lib/python3.7/site-packages/chardet/chardistribution.py new file mode 100644 index 0000000..c0395f4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/chardistribution.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .euctwfreq import (EUCTW_CHAR_TO_FREQ_ORDER, EUCTW_TABLE_SIZE, + EUCTW_TYPICAL_DISTRIBUTION_RATIO) +from .euckrfreq import (EUCKR_CHAR_TO_FREQ_ORDER, EUCKR_TABLE_SIZE, + EUCKR_TYPICAL_DISTRIBUTION_RATIO) +from .gb2312freq import (GB2312_CHAR_TO_FREQ_ORDER, GB2312_TABLE_SIZE, + GB2312_TYPICAL_DISTRIBUTION_RATIO) +from .big5freq import (BIG5_CHAR_TO_FREQ_ORDER, BIG5_TABLE_SIZE, + BIG5_TYPICAL_DISTRIBUTION_RATIO) +from .jisfreq import (JIS_CHAR_TO_FREQ_ORDER, JIS_TABLE_SIZE, + JIS_TYPICAL_DISTRIBUTION_RATIO) + + +class CharDistributionAnalysis(object): + ENOUGH_DATA_THRESHOLD = 1024 + SURE_YES = 0.99 + SURE_NO = 0.01 + MINIMUM_DATA_THRESHOLD = 3 + + def __init__(self): + # Mapping table to get frequency order from char order (get from + # GetOrder()) + self._char_to_freq_order = None + self._table_size = None # Size of above table + # This is a constant value which varies from language to language, + # used in calculating confidence. See + # http://www.mozilla.org/projects/intl/UniversalCharsetDetection.html + # for further detail. + self.typical_distribution_ratio = None + self._done = None + self._total_chars = None + self._freq_chars = None + self.reset() + + def reset(self): + """reset analyser, clear any state""" + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + self._total_chars = 0 # Total characters encountered + # The number of characters whose frequency order is less than 512 + self._freq_chars = 0 + + def feed(self, char, char_len): + """feed a character with known length""" + if char_len == 2: + # we only care about 2-bytes character in our distribution analysis + order = self.get_order(char) + else: + order = -1 + if order >= 0: + self._total_chars += 1 + # order is valid + if order < self._table_size: + if 512 > self._char_to_freq_order[order]: + self._freq_chars += 1 + + def get_confidence(self): + """return confidence based on existing data""" + # if we didn't receive any character in our consideration range, + # return negative answer + if self._total_chars <= 0 or self._freq_chars <= self.MINIMUM_DATA_THRESHOLD: + return self.SURE_NO + + if self._total_chars != self._freq_chars: + r = (self._freq_chars / ((self._total_chars - self._freq_chars) + * self.typical_distribution_ratio)) + if r < self.SURE_YES: + return r + + # normalize confidence (we don't want to be 100% sure) + return self.SURE_YES + + def got_enough_data(self): + # It is not necessary to receive all data to draw conclusion. + # For charset detection, certain amount of data is enough + return self._total_chars > self.ENOUGH_DATA_THRESHOLD + + def get_order(self, byte_str): + # We do not handle characters based on the original encoding string, + # but convert this encoding string to a number, here called order. + # This allows multiple encodings of a language to share one frequency + # table. + return -1 + + +class EUCTWDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCTWDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCTW_CHAR_TO_FREQ_ORDER + self._table_size = EUCTW_TABLE_SIZE + self.typical_distribution_ratio = EUCTW_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-TW encoding, we are interested + # first byte range: 0xc4 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xC4: + return 94 * (first_char - 0xC4) + byte_str[1] - 0xA1 + else: + return -1 + + +class EUCKRDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCKRDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER + self._table_size = EUCKR_TABLE_SIZE + self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-KR encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xB0: + return 94 * (first_char - 0xB0) + byte_str[1] - 0xA1 + else: + return -1 + + +class GB2312DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(GB2312DistributionAnalysis, self).__init__() + self._char_to_freq_order = GB2312_CHAR_TO_FREQ_ORDER + self._table_size = GB2312_TABLE_SIZE + self.typical_distribution_ratio = GB2312_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for GB2312 encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0xB0) and (second_char >= 0xA1): + return 94 * (first_char - 0xB0) + second_char - 0xA1 + else: + return -1 + + +class Big5DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(Big5DistributionAnalysis, self).__init__() + self._char_to_freq_order = BIG5_CHAR_TO_FREQ_ORDER + self._table_size = BIG5_TABLE_SIZE + self.typical_distribution_ratio = BIG5_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for big5 encoding, we are interested + # first byte range: 0xa4 -- 0xfe + # second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if first_char >= 0xA4: + if second_char >= 0xA1: + return 157 * (first_char - 0xA4) + second_char - 0xA1 + 63 + else: + return 157 * (first_char - 0xA4) + second_char - 0x40 + else: + return -1 + + +class SJISDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(SJISDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for sjis encoding, we are interested + # first byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe + # second byte range: 0x40 -- 0x7e, 0x81 -- oxfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0x81) and (first_char <= 0x9F): + order = 188 * (first_char - 0x81) + elif (first_char >= 0xE0) and (first_char <= 0xEF): + order = 188 * (first_char - 0xE0 + 31) + else: + return -1 + order = order + second_char - 0x40 + if second_char > 0x7F: + order = -1 + return order + + +class EUCJPDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCJPDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-JP encoding, we are interested + # first byte range: 0xa0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + char = byte_str[0] + if char >= 0xA0: + return 94 * (char - 0xA1) + byte_str[1] - 0xa1 + else: + return -1 diff --git a/venv/lib/python3.7/site-packages/chardet/charsetgroupprober.py b/venv/lib/python3.7/site-packages/chardet/charsetgroupprober.py new file mode 100644 index 0000000..8b3738e --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/charsetgroupprober.py @@ -0,0 +1,106 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState +from .charsetprober import CharSetProber + + +class CharSetGroupProber(CharSetProber): + def __init__(self, lang_filter=None): + super(CharSetGroupProber, self).__init__(lang_filter=lang_filter) + self._active_num = 0 + self.probers = [] + self._best_guess_prober = None + + def reset(self): + super(CharSetGroupProber, self).reset() + self._active_num = 0 + for prober in self.probers: + if prober: + prober.reset() + prober.active = True + self._active_num += 1 + self._best_guess_prober = None + + @property + def charset_name(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.charset_name + + @property + def language(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.language + + def feed(self, byte_str): + for prober in self.probers: + if not prober: + continue + if not prober.active: + continue + state = prober.feed(byte_str) + if not state: + continue + if state == ProbingState.FOUND_IT: + self._best_guess_prober = prober + return self.state + elif state == ProbingState.NOT_ME: + prober.active = False + self._active_num -= 1 + if self._active_num <= 0: + self._state = ProbingState.NOT_ME + return self.state + return self.state + + def get_confidence(self): + state = self.state + if state == ProbingState.FOUND_IT: + return 0.99 + elif state == ProbingState.NOT_ME: + return 0.01 + best_conf = 0.0 + self._best_guess_prober = None + for prober in self.probers: + if not prober: + continue + if not prober.active: + self.logger.debug('%s not active', prober.charset_name) + continue + conf = prober.get_confidence() + self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf) + if best_conf < conf: + best_conf = conf + self._best_guess_prober = prober + if not self._best_guess_prober: + return 0.0 + return best_conf diff --git a/venv/lib/python3.7/site-packages/chardet/charsetprober.py b/venv/lib/python3.7/site-packages/chardet/charsetprober.py new file mode 100644 index 0000000..eac4e59 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/charsetprober.py @@ -0,0 +1,145 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging +import re + +from .enums import ProbingState + + +class CharSetProber(object): + + SHORTCUT_THRESHOLD = 0.95 + + def __init__(self, lang_filter=None): + self._state = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + + def reset(self): + self._state = ProbingState.DETECTING + + @property + def charset_name(self): + return None + + def feed(self, buf): + pass + + @property + def state(self): + return self._state + + def get_confidence(self): + return 0.0 + + @staticmethod + def filter_high_byte_only(buf): + buf = re.sub(b'([\x00-\x7F])+', b' ', buf) + return buf + + @staticmethod + def filter_international_words(buf): + """ + We define three types of bytes: + alphabet: english alphabets [a-zA-Z] + international: international characters [\x80-\xFF] + marker: everything else [^a-zA-Z\x80-\xFF] + + The input buffer can be thought to contain a series of words delimited + by markers. This function works to filter all words that contain at + least one international character. All contiguous sequences of markers + are replaced by a single space ascii character. + + This filter applies to all scripts which do not use English characters. + """ + filtered = bytearray() + + # This regex expression filters out only words that have at-least one + # international character. The word may include one marker character at + # the end. + words = re.findall(b'[a-zA-Z]*[\x80-\xFF]+[a-zA-Z]*[^a-zA-Z\x80-\xFF]?', + buf) + + for word in words: + filtered.extend(word[:-1]) + + # If the last character in the word is a marker, replace it with a + # space as markers shouldn't affect our analysis (they are used + # similarly across all languages and may thus have similar + # frequencies). + last_char = word[-1:] + if not last_char.isalpha() and last_char < b'\x80': + last_char = b' ' + filtered.extend(last_char) + + return filtered + + @staticmethod + def filter_with_english_letters(buf): + """ + Returns a copy of ``buf`` that retains only the sequences of English + alphabet and high byte characters that are not between <> characters. + Also retains English alphabet and high byte characters immediately + before occurrences of >. + + This filter can be applied to all scripts which contain both English + characters and extended ASCII characters, but is currently only used by + ``Latin1Prober``. + """ + filtered = bytearray() + in_tag = False + prev = 0 + + for curr in range(len(buf)): + # Slice here to get bytes instead of an int with Python 3 + buf_char = buf[curr:curr + 1] + # Check if we're coming out of or entering an HTML tag + if buf_char == b'>': + in_tag = False + elif buf_char == b'<': + in_tag = True + + # If current character is not extended-ASCII and not alphabetic... + if buf_char < b'\x80' and not buf_char.isalpha(): + # ...and we're not in a tag + if curr > prev and not in_tag: + # Keep everything after last non-extended-ASCII, + # non-alphabetic character + filtered.extend(buf[prev:curr]) + # Output a space to delimit stretch we kept + filtered.extend(b' ') + prev = curr + 1 + + # If we're not in a tag... + if not in_tag: + # Keep everything after last non-extended-ASCII, non-alphabetic + # character + filtered.extend(buf[prev:]) + + return filtered diff --git a/venv/lib/python3.7/site-packages/chardet/cli/__init__.py b/venv/lib/python3.7/site-packages/chardet/cli/__init__.py new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/cli/__init__.py @@ -0,0 +1 @@ + diff --git a/venv/lib/python3.7/site-packages/chardet/cli/chardetect.py b/venv/lib/python3.7/site-packages/chardet/cli/chardetect.py new file mode 100644 index 0000000..f0a4cc5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/cli/chardetect.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python +""" +Script which takes one or more file paths and reports on their detected +encodings + +Example:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +If no paths are provided, it takes its input from stdin. + +""" + +from __future__ import absolute_import, print_function, unicode_literals + +import argparse +import sys + +from chardet import __version__ +from chardet.compat import PY2 +from chardet.universaldetector import UniversalDetector + + +def description_of(lines, name='stdin'): + """ + Return a string describing the probable encoding of a file or + list of strings. + + :param lines: The lines to get the encoding of. + :type lines: Iterable of bytes + :param name: Name of file or collection of lines + :type name: str + """ + u = UniversalDetector() + for line in lines: + line = bytearray(line) + u.feed(line) + # shortcut out of the loop to save reading further - particularly useful if we read a BOM. + if u.done: + break + u.close() + result = u.result + if PY2: + name = name.decode(sys.getfilesystemencoding(), 'ignore') + if result['encoding']: + return '{0}: {1} with confidence {2}'.format(name, result['encoding'], + result['confidence']) + else: + return '{0}: no result'.format(name) + + +def main(argv=None): + """ + Handles command line arguments and gets things started. + + :param argv: List of arguments, as if specified on the command-line. + If None, ``sys.argv[1:]`` is used instead. + :type argv: list of str + """ + # Get command line arguments + parser = argparse.ArgumentParser( + description="Takes one or more file paths and reports their detected \ + encodings") + parser.add_argument('input', + help='File whose encoding we would like to determine. \ + (default: stdin)', + type=argparse.FileType('rb'), nargs='*', + default=[sys.stdin if PY2 else sys.stdin.buffer]) + parser.add_argument('--version', action='version', + version='%(prog)s {0}'.format(__version__)) + args = parser.parse_args(argv) + + for f in args.input: + if f.isatty(): + print("You are running chardetect interactively. Press " + + "CTRL-D twice at the start of a blank line to signal the " + + "end of your input. If you want help, run chardetect " + + "--help\n", file=sys.stderr) + print(description_of(f, f.name)) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/chardet/codingstatemachine.py b/venv/lib/python3.7/site-packages/chardet/codingstatemachine.py new file mode 100644 index 0000000..68fba44 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/codingstatemachine.py @@ -0,0 +1,88 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging + +from .enums import MachineState + + +class CodingStateMachine(object): + """ + A state machine to verify a byte sequence for a particular encoding. For + each byte the detector receives, it will feed that byte to every active + state machine available, one byte at a time. The state machine changes its + state based on its previous state and the byte it receives. There are 3 + states in a state machine that are of interest to an auto-detector: + + START state: This is the state to start with, or a legal byte sequence + (i.e. a valid code point) for character has been identified. + + ME state: This indicates that the state machine identified a byte sequence + that is specific to the charset it is designed for and that + there is no other possible encoding which can contain this byte + sequence. This will to lead to an immediate positive answer for + the detector. + + ERROR state: This indicates the state machine identified an illegal byte + sequence for that encoding. This will lead to an immediate + negative answer for this encoding. Detector will exclude this + encoding from consideration from here on. + """ + def __init__(self, sm): + self._model = sm + self._curr_byte_pos = 0 + self._curr_char_len = 0 + self._curr_state = None + self.logger = logging.getLogger(__name__) + self.reset() + + def reset(self): + self._curr_state = MachineState.START + + def next_state(self, c): + # for each byte we get its class + # if it is first byte, we also get byte length + byte_class = self._model['class_table'][c] + if self._curr_state == MachineState.START: + self._curr_byte_pos = 0 + self._curr_char_len = self._model['char_len_table'][byte_class] + # from byte's class and state_table, we get its next state + curr_state = (self._curr_state * self._model['class_factor'] + + byte_class) + self._curr_state = self._model['state_table'][curr_state] + self._curr_byte_pos += 1 + return self._curr_state + + def get_current_charlen(self): + return self._curr_char_len + + def get_coding_state_machine(self): + return self._model['name'] + + @property + def language(self): + return self._model['language'] diff --git a/venv/lib/python3.7/site-packages/chardet/compat.py b/venv/lib/python3.7/site-packages/chardet/compat.py new file mode 100644 index 0000000..ddd7468 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/compat.py @@ -0,0 +1,34 @@ +######################## BEGIN LICENSE BLOCK ######################## +# Contributor(s): +# Dan Blanchard +# Ian Cordasco +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import sys + + +if sys.version_info < (3, 0): + PY2 = True + PY3 = False + base_str = (str, unicode) + text_type = unicode +else: + PY2 = False + PY3 = True + base_str = (bytes, str) + text_type = str diff --git a/venv/lib/python3.7/site-packages/chardet/cp949prober.py b/venv/lib/python3.7/site-packages/chardet/cp949prober.py new file mode 100644 index 0000000..efd793a --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/cp949prober.py @@ -0,0 +1,49 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .chardistribution import EUCKRDistributionAnalysis +from .codingstatemachine import CodingStateMachine +from .mbcharsetprober import MultiByteCharSetProber +from .mbcssm import CP949_SM_MODEL + + +class CP949Prober(MultiByteCharSetProber): + def __init__(self): + super(CP949Prober, self).__init__() + self.coding_sm = CodingStateMachine(CP949_SM_MODEL) + # NOTE: CP949 is a superset of EUC-KR, so the distribution should be + # not different. + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "CP949" + + @property + def language(self): + return "Korean" diff --git a/venv/lib/python3.7/site-packages/chardet/enums.py b/venv/lib/python3.7/site-packages/chardet/enums.py new file mode 100644 index 0000000..0451207 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/enums.py @@ -0,0 +1,76 @@ +""" +All of the Enums that are used throughout the chardet package. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + + +class InputState(object): + """ + This enum represents the different states a universal detector can be in. + """ + PURE_ASCII = 0 + ESC_ASCII = 1 + HIGH_BYTE = 2 + + +class LanguageFilter(object): + """ + This enum represents the different language filters we can apply to a + ``UniversalDetector``. + """ + CHINESE_SIMPLIFIED = 0x01 + CHINESE_TRADITIONAL = 0x02 + JAPANESE = 0x04 + KOREAN = 0x08 + NON_CJK = 0x10 + ALL = 0x1F + CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL + CJK = CHINESE | JAPANESE | KOREAN + + +class ProbingState(object): + """ + This enum represents the different states a prober can be in. + """ + DETECTING = 0 + FOUND_IT = 1 + NOT_ME = 2 + + +class MachineState(object): + """ + This enum represents the different states a state machine can be in. + """ + START = 0 + ERROR = 1 + ITS_ME = 2 + + +class SequenceLikelihood(object): + """ + This enum represents the likelihood of a character following the previous one. + """ + NEGATIVE = 0 + UNLIKELY = 1 + LIKELY = 2 + POSITIVE = 3 + + @classmethod + def get_num_categories(cls): + """:returns: The number of likelihood categories in the enum.""" + return 4 + + +class CharacterCategory(object): + """ + This enum represents the different categories language models for + ``SingleByteCharsetProber`` put characters into. + + Anything less than CONTROL is considered a letter. + """ + UNDEFINED = 255 + LINE_BREAK = 254 + SYMBOL = 253 + DIGIT = 252 + CONTROL = 251 diff --git a/venv/lib/python3.7/site-packages/chardet/escprober.py b/venv/lib/python3.7/site-packages/chardet/escprober.py new file mode 100644 index 0000000..c70493f --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/escprober.py @@ -0,0 +1,101 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .codingstatemachine import CodingStateMachine +from .enums import LanguageFilter, ProbingState, MachineState +from .escsm import (HZ_SM_MODEL, ISO2022CN_SM_MODEL, ISO2022JP_SM_MODEL, + ISO2022KR_SM_MODEL) + + +class EscCharSetProber(CharSetProber): + """ + This CharSetProber uses a "code scheme" approach for detecting encodings, + whereby easily recognizable escape or shift sequences are relied on to + identify these encodings. + """ + + def __init__(self, lang_filter=None): + super(EscCharSetProber, self).__init__(lang_filter=lang_filter) + self.coding_sm = [] + if self.lang_filter & LanguageFilter.CHINESE_SIMPLIFIED: + self.coding_sm.append(CodingStateMachine(HZ_SM_MODEL)) + self.coding_sm.append(CodingStateMachine(ISO2022CN_SM_MODEL)) + if self.lang_filter & LanguageFilter.JAPANESE: + self.coding_sm.append(CodingStateMachine(ISO2022JP_SM_MODEL)) + if self.lang_filter & LanguageFilter.KOREAN: + self.coding_sm.append(CodingStateMachine(ISO2022KR_SM_MODEL)) + self.active_sm_count = None + self._detected_charset = None + self._detected_language = None + self._state = None + self.reset() + + def reset(self): + super(EscCharSetProber, self).reset() + for coding_sm in self.coding_sm: + if not coding_sm: + continue + coding_sm.active = True + coding_sm.reset() + self.active_sm_count = len(self.coding_sm) + self._detected_charset = None + self._detected_language = None + + @property + def charset_name(self): + return self._detected_charset + + @property + def language(self): + return self._detected_language + + def get_confidence(self): + if self._detected_charset: + return 0.99 + else: + return 0.00 + + def feed(self, byte_str): + for c in byte_str: + for coding_sm in self.coding_sm: + if not coding_sm or not coding_sm.active: + continue + coding_state = coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + coding_sm.active = False + self.active_sm_count -= 1 + if self.active_sm_count <= 0: + self._state = ProbingState.NOT_ME + return self.state + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + self._detected_charset = coding_sm.get_coding_state_machine() + self._detected_language = coding_sm.language + return self.state + + return self.state diff --git a/venv/lib/python3.7/site-packages/chardet/escsm.py b/venv/lib/python3.7/site-packages/chardet/escsm.py new file mode 100644 index 0000000..0069523 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/escsm.py @@ -0,0 +1,246 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +HZ_CLS = ( +1,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,0,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,4,0,5,2,0, # 78 - 7f +1,1,1,1,1,1,1,1, # 80 - 87 +1,1,1,1,1,1,1,1, # 88 - 8f +1,1,1,1,1,1,1,1, # 90 - 97 +1,1,1,1,1,1,1,1, # 98 - 9f +1,1,1,1,1,1,1,1, # a0 - a7 +1,1,1,1,1,1,1,1, # a8 - af +1,1,1,1,1,1,1,1, # b0 - b7 +1,1,1,1,1,1,1,1, # b8 - bf +1,1,1,1,1,1,1,1, # c0 - c7 +1,1,1,1,1,1,1,1, # c8 - cf +1,1,1,1,1,1,1,1, # d0 - d7 +1,1,1,1,1,1,1,1, # d8 - df +1,1,1,1,1,1,1,1, # e0 - e7 +1,1,1,1,1,1,1,1, # e8 - ef +1,1,1,1,1,1,1,1, # f0 - f7 +1,1,1,1,1,1,1,1, # f8 - ff +) + +HZ_ST = ( +MachineState.START,MachineState.ERROR, 3,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START, 4,MachineState.ERROR,# 10-17 + 5,MachineState.ERROR, 6,MachineState.ERROR, 5, 5, 4,MachineState.ERROR,# 18-1f + 4,MachineState.ERROR, 4, 4, 4,MachineState.ERROR, 4,MachineState.ERROR,# 20-27 + 4,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 28-2f +) + +HZ_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +HZ_SM_MODEL = {'class_table': HZ_CLS, + 'class_factor': 6, + 'state_table': HZ_ST, + 'char_len_table': HZ_CHAR_LEN_TABLE, + 'name': "HZ-GB-2312", + 'language': 'Chinese'} + +ISO2022CN_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,3,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,4,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022CN_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 20-27 + 5, 6,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,# 38-3f +) + +ISO2022CN_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022CN_SM_MODEL = {'class_table': ISO2022CN_CLS, + 'class_factor': 9, + 'state_table': ISO2022CN_ST, + 'char_len_table': ISO2022CN_CHAR_LEN_TABLE, + 'name': "ISO-2022-CN", + 'language': 'Chinese'} + +ISO2022JP_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,2,2, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,7,0,0,0, # 20 - 27 +3,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +6,0,4,0,8,0,0,0, # 40 - 47 +0,9,5,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022JP_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 20-27 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 6,MachineState.ITS_ME,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 38-3f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.START,# 40-47 +) + +ISO2022JP_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022JP_SM_MODEL = {'class_table': ISO2022JP_CLS, + 'class_factor': 10, + 'state_table': ISO2022JP_ST, + 'char_len_table': ISO2022JP_CHAR_LEN_TABLE, + 'name': "ISO-2022-JP", + 'language': 'Japanese'} + +ISO2022KR_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,3,0,0,0, # 20 - 27 +0,4,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,5,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022KR_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 10-17 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 20-27 +) + +ISO2022KR_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +ISO2022KR_SM_MODEL = {'class_table': ISO2022KR_CLS, + 'class_factor': 6, + 'state_table': ISO2022KR_ST, + 'char_len_table': ISO2022KR_CHAR_LEN_TABLE, + 'name': "ISO-2022-KR", + 'language': 'Korean'} + + diff --git a/venv/lib/python3.7/site-packages/chardet/eucjpprober.py b/venv/lib/python3.7/site-packages/chardet/eucjpprober.py new file mode 100644 index 0000000..20ce8f7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/eucjpprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState, MachineState +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCJPDistributionAnalysis +from .jpcntx import EUCJPContextAnalysis +from .mbcssm import EUCJP_SM_MODEL + + +class EUCJPProber(MultiByteCharSetProber): + def __init__(self): + super(EUCJPProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCJP_SM_MODEL) + self.distribution_analyzer = EUCJPDistributionAnalysis() + self.context_analyzer = EUCJPContextAnalysis() + self.reset() + + def reset(self): + super(EUCJPProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return "EUC-JP" + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + # PY3K: byte_str is a byte array, so byte_str[i] is an int, not a byte + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char, char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/venv/lib/python3.7/site-packages/chardet/euckrfreq.py b/venv/lib/python3.7/site-packages/chardet/euckrfreq.py new file mode 100644 index 0000000..b68078c --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/euckrfreq.py @@ -0,0 +1,195 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology + +# 128 --> 0.79 +# 256 --> 0.92 +# 512 --> 0.986 +# 1024 --> 0.99944 +# 2048 --> 0.99999 +# +# Idea Distribution Ratio = 0.98653 / (1-0.98653) = 73.24 +# Random Distribution Ration = 512 / (2350-512) = 0.279. +# +# Typical Distribution Ratio + +EUCKR_TYPICAL_DISTRIBUTION_RATIO = 6.0 + +EUCKR_TABLE_SIZE = 2352 + +# Char to FreqOrder table , +EUCKR_CHAR_TO_FREQ_ORDER = ( + 13, 130, 120,1396, 481,1719,1720, 328, 609, 212,1721, 707, 400, 299,1722, 87, +1397,1723, 104, 536,1117,1203,1724,1267, 685,1268, 508,1725,1726,1727,1728,1398, +1399,1729,1730,1731, 141, 621, 326,1057, 368,1732, 267, 488, 20,1733,1269,1734, + 945,1400,1735, 47, 904,1270,1736,1737, 773, 248,1738, 409, 313, 786, 429,1739, + 116, 987, 813,1401, 683, 75,1204, 145,1740,1741,1742,1743, 16, 847, 667, 622, + 708,1744,1745,1746, 966, 787, 304, 129,1747, 60, 820, 123, 676,1748,1749,1750, +1751, 617,1752, 626,1753,1754,1755,1756, 653,1757,1758,1759,1760,1761,1762, 856, + 344,1763,1764,1765,1766, 89, 401, 418, 806, 905, 848,1767,1768,1769, 946,1205, + 709,1770,1118,1771, 241,1772,1773,1774,1271,1775, 569,1776, 999,1777,1778,1779, +1780, 337, 751,1058, 28, 628, 254,1781, 177, 906, 270, 349, 891,1079,1782, 19, +1783, 379,1784, 315,1785, 629, 754,1402, 559,1786, 636, 203,1206,1787, 710, 567, +1788, 935, 814,1789,1790,1207, 766, 528,1791,1792,1208,1793,1794,1795,1796,1797, +1403,1798,1799, 533,1059,1404,1405,1156,1406, 936, 884,1080,1800, 351,1801,1802, +1803,1804,1805, 801,1806,1807,1808,1119,1809,1157, 714, 474,1407,1810, 298, 899, + 885,1811,1120, 802,1158,1812, 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643,1888, 571, 654, 894, 840,1889, + 0, 886,1274, 122, 575, 260, 908, 938,1890,1275, 410, 316,1891,1892, 100,1893, +1894,1123, 48,1161,1124,1025,1895, 633, 901,1276,1896,1897, 115, 816,1898, 317, +1899, 694,1900, 909, 734,1424, 572, 866,1425, 691, 85, 524,1010, 543, 394, 841, +1901,1902,1903,1026,1904,1905,1906,1907,1908,1909, 30, 451, 651, 988, 310,1910, +1911,1426, 810,1216, 93,1912,1913,1277,1217,1914, 858, 759, 45, 58, 181, 610, + 269,1915,1916, 131,1062, 551, 443,1000, 821,1427, 957, 895,1086,1917,1918, 375, +1919, 359,1920, 687,1921, 822,1922, 293,1923,1924, 40, 662, 118, 692, 29, 939, + 887, 640, 482, 174,1925, 69,1162, 728,1428, 910,1926,1278,1218,1279, 386, 870, + 217, 854,1163, 823,1927,1928,1929,1930, 834,1931, 78,1932, 859,1933,1063,1934, +1935,1936,1937, 438,1164, 208, 595,1938,1939,1940,1941,1219,1125,1942, 280, 888, +1429,1430,1220,1431,1943,1944,1945,1946,1947,1280, 150, 510,1432,1948,1949,1950, +1951,1952,1953,1954,1011,1087,1955,1433,1043,1956, 881,1957, 614, 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31,2328, 51, 435, 742,2329,2330,2331, 635,2332, 264, 456,2333,2334,2335, + 425,2336,1486, 143, 507, 263, 943,2337, 363, 920,1487, 256,1488,1102, 243, 601, +1489,2338,2339,2340,2341,2342,2343,2344, 861,2345,2346,2347,2348,2349,2350, 395, +2351,1490,1491, 62, 535, 166, 225,2352,2353, 668, 419,1241, 138, 604, 928,2354, +1181,2355,1492,1493,2356,2357,2358,1143,2359, 696,2360, 387, 307,1309, 682, 476, +2361,2362, 332, 12, 222, 156,2363, 232,2364, 641, 276, 656, 517,1494,1495,1035, + 416, 736,1496,2365,1017, 586,2366,2367,2368,1497,2369, 242,2370,2371,2372,1498, +2373, 965, 713,2374,2375,2376,2377, 740, 982,1499, 944,1500,1007,2378,2379,1310, +1501,2380,2381,2382, 785, 329,2383,2384,1502,2385,2386,2387, 932,2388,1503,2389, +2390,2391,2392,1242,2393,2394,2395,2396,2397, 994, 950,2398,2399,2400,2401,1504, +1311,2402,2403,2404,2405,1049, 749,2406,2407, 853, 718,1144,1312,2408,1182,1505, +2409,2410, 255, 516, 479, 564, 550, 214,1506,1507,1313, 413, 239, 444, 339,1145, +1036,1508,1509,1314,1037,1510,1315,2411,1511,2412,2413,2414, 176, 703, 497, 624, + 593, 921, 302,2415, 341, 165,1103,1512,2416,1513,2417,2418,2419, 376,2420, 700, +2421,2422,2423, 258, 768,1316,2424,1183,2425, 995, 608,2426,2427,2428,2429, 221, +2430,2431,2432,2433,2434,2435,2436,2437, 195, 323, 726, 188, 897, 983,1317, 377, + 644,1050, 879,2438, 452,2439,2440,2441,2442,2443,2444, 914,2445,2446,2447,2448, + 915, 489,2449,1514,1184,2450,2451, 515, 64, 427, 495,2452, 583,2453, 483, 485, +1038, 562, 213,1515, 748, 666,2454,2455,2456,2457, 334,2458, 780, 996,1008, 705, +1243,2459,2460,2461,2462,2463, 114,2464, 493,1146, 366, 163,1516, 961,1104,2465, + 291,2466,1318,1105,2467,1517, 365,2468, 355, 951,1244,2469,1319,2470, 631,2471, +2472, 218,1320, 364, 320, 756,1518,1519,1321,1520,1322,2473,2474,2475,2476, 997, +2477,2478,2479,2480, 665,1185,2481, 916,1521,2482,2483,2484, 584, 684,2485,2486, + 797,2487,1051,1186,2488,2489,2490,1522,2491,2492, 370,2493,1039,1187, 65,2494, + 434, 205, 463,1188,2495, 125, 812, 391, 402, 826, 699, 286, 398, 155, 781, 771, + 585,2496, 590, 505,1073,2497, 599, 244, 219, 917,1018, 952, 646,1523,2498,1323, +2499,2500, 49, 984, 354, 741,2501, 625,2502,1324,2503,1019, 190, 357, 757, 491, + 95, 782, 868,2504,2505,2506,2507,2508,2509, 134,1524,1074, 422,1525, 898,2510, + 161,2511,2512,2513,2514, 769,2515,1526,2516,2517, 411,1325,2518, 472,1527,2519, +2520,2521,2522,2523,2524, 985,2525,2526,2527,2528,2529,2530, 764,2531,1245,2532, +2533, 25, 204, 311,2534, 496,2535,1052,2536,2537,2538,2539,2540,2541,2542, 199, + 704, 504, 468, 758, 657,1528, 196, 44, 839,1246, 272, 750,2543, 765, 862,2544, +2545,1326,2546, 132, 615, 933,2547, 732,2548,2549,2550,1189,1529,2551, 283,1247, +1053, 607, 929,2552,2553,2554, 930, 183, 872, 616,1040,1147,2555,1148,1020, 441, + 249,1075,2556,2557,2558, 466, 743,2559,2560,2561, 92, 514, 426, 420, 526,2562, +2563,2564,2565,2566,2567,2568, 185,2569,2570,2571,2572, 776,1530, 658,2573, 362, +2574, 361, 922,1076, 793,2575,2576,2577,2578,2579,2580,1531, 251,2581,2582,2583, +2584,1532, 54, 612, 237,1327,2585,2586, 275, 408, 647, 111,2587,1533,1106, 465, + 3, 458, 9, 38,2588, 107, 110, 890, 209, 26, 737, 498,2589,1534,2590, 431, + 202, 88,1535, 356, 287,1107, 660,1149,2591, 381,1536, 986,1150, 445,1248,1151, + 974,2592,2593, 846,2594, 446, 953, 184,1249,1250, 727,2595, 923, 193, 883,2596, +2597,2598, 102, 324, 539, 817,2599, 421,1041,2600, 832,2601, 94, 175, 197, 406, +2602, 459,2603,2604,2605,2606,2607, 330, 555,2608,2609,2610, 706,1108, 389,2611, +2612,2613,2614, 233,2615, 833, 558, 931, 954,1251,2616,2617,1537, 546,2618,2619, +1009,2620,2621,2622,1538, 690,1328,2623, 955,2624,1539,2625,2626, 772,2627,2628, +2629,2630,2631, 924, 648, 863, 603,2632,2633, 934,1540, 864, 865,2634, 642,1042, + 670,1190,2635,2636,2637,2638, 168,2639, 652, 873, 542,1054,1541,2640,2641,2642, # 512, 256 +) + diff --git a/venv/lib/python3.7/site-packages/chardet/euckrprober.py b/venv/lib/python3.7/site-packages/chardet/euckrprober.py new file mode 100644 index 0000000..345a060 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/euckrprober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCKRDistributionAnalysis +from .mbcssm import EUCKR_SM_MODEL + + +class EUCKRProber(MultiByteCharSetProber): + def __init__(self): + super(EUCKRProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCKR_SM_MODEL) + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-KR" + + @property + def language(self): + return "Korean" diff --git a/venv/lib/python3.7/site-packages/chardet/euctwfreq.py b/venv/lib/python3.7/site-packages/chardet/euctwfreq.py new file mode 100644 index 0000000..ed7a995 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/euctwfreq.py @@ -0,0 +1,387 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# EUCTW frequency table +# Converted from big5 work +# by Taiwan's Mandarin Promotion Council +# + +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Idea Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +EUCTW_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +# Char to FreqOrder table , +EUCTW_TABLE_SIZE = 5376 + +EUCTW_CHAR_TO_FREQ_ORDER = ( + 1,1800,1506, 255,1431, 198, 9, 82, 6,7310, 177, 202,3615,1256,2808, 110, # 2742 +3735, 33,3241, 261, 76, 44,2113, 16,2931,2184,1176, 659,3868, 26,3404,2643, # 2758 +1198,3869,3313,4060, 410,2211, 302, 590, 361,1963, 8, 204, 58,4296,7311,1931, # 2774 + 63,7312,7313, 317,1614, 75, 222, 159,4061,2412,1480,7314,3500,3068, 224,2809, # 2790 +3616, 3, 10,3870,1471, 29,2774,1135,2852,1939, 873, 130,3242,1123, 312,7315, # 2806 +4297,2051, 507, 252, 682,7316, 142,1914, 124, 206,2932, 34,3501,3173, 64, 604, # 2822 +7317,2494,1976,1977, 155,1990, 645, 641,1606,7318,3405, 337, 72, 406,7319, 80, # 2838 + 630, 238,3174,1509, 263, 939,1092,2644, 756,1440,1094,3406, 449, 69,2969, 591, # 2854 + 179,2095, 471, 115,2034,1843, 60, 50,2970, 134, 806,1868, 734,2035,3407, 180, # 2870 + 995,1607, 156, 537,2893, 688,7320, 319,1305, 779,2144, 514,2374, 298,4298, 359, # 2886 +2495, 90,2707,1338, 663, 11, 906,1099,2545, 20,2436, 182, 532,1716,7321, 732, # 2902 +1376,4062,1311,1420,3175, 25,2312,1056, 113, 399, 382,1949, 242,3408,2467, 529, # 2918 +3243, 475,1447,3617,7322, 117, 21, 656, 810,1297,2295,2329,3502,7323, 126,4063, # 2934 + 706, 456, 150, 613,4299, 71,1118,2036,4064, 145,3069, 85, 835, 486,2114,1246, # 2950 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,7324,2127,2354, 347,3736, 221, # 2966 +3503,3110,7325,1955,1153,4065, 83, 296,1199,3070, 192, 624, 93,7326, 822,1897, # 2982 +2810,3111, 795,2064, 991,1554,1542,1592, 27, 43,2853, 859, 139,1456, 860,4300, # 2998 + 437, 712,3871, 164,2392,3112, 695, 211,3017,2096, 195,3872,1608,3504,3505,3618, # 3014 +3873, 234, 811,2971,2097,3874,2229,1441,3506,1615,2375, 668,2076,1638, 305, 228, # 3030 +1664,4301, 467, 415,7327, 262,2098,1593, 239, 108, 300, 200,1033, 512,1247,2077, # 3046 +7328,7329,2173,3176,3619,2673, 593, 845,1062,3244, 88,1723,2037,3875,1950, 212, # 3062 + 266, 152, 149, 468,1898,4066,4302, 77, 187,7330,3018, 37, 5,2972,7331,3876, # 3078 +7332,7333, 39,2517,4303,2894,3177,2078, 55, 148, 74,4304, 545, 483,1474,1029, # 3094 +1665, 217,1869,1531,3113,1104,2645,4067, 24, 172,3507, 900,3877,3508,3509,4305, # 3110 + 32,1408,2811,1312, 329, 487,2355,2247,2708, 784,2674, 4,3019,3314,1427,1788, # 3126 + 188, 109, 499,7334,3620,1717,1789, 888,1217,3020,4306,7335,3510,7336,3315,1520, # 3142 +3621,3878, 196,1034, 775,7337,7338, 929,1815, 249, 439, 38,7339,1063,7340, 794, # 3158 +3879,1435,2296, 46, 178,3245,2065,7341,2376,7342, 214,1709,4307, 804, 35, 707, # 3174 + 324,3622,1601,2546, 140, 459,4068,7343,7344,1365, 839, 272, 978,2257,2572,3409, # 3190 +2128,1363,3623,1423, 697, 100,3071, 48, 70,1231, 495,3114,2193,7345,1294,7346, # 3206 +2079, 462, 586,1042,3246, 853, 256, 988, 185,2377,3410,1698, 434,1084,7347,3411, # 3222 + 314,2615,2775,4308,2330,2331, 569,2280, 637,1816,2518, 757,1162,1878,1616,3412, # 3238 + 287,1577,2115, 768,4309,1671,2854,3511,2519,1321,3737, 909,2413,7348,4069, 933, # 3254 +3738,7349,2052,2356,1222,4310, 765,2414,1322, 786,4311,7350,1919,1462,1677,2895, # 3270 +1699,7351,4312,1424,2437,3115,3624,2590,3316,1774,1940,3413,3880,4070, 309,1369, # 3286 +1130,2812, 364,2230,1653,1299,3881,3512,3882,3883,2646, 525,1085,3021, 902,2000, # 3302 +1475, 964,4313, 421,1844,1415,1057,2281, 940,1364,3116, 376,4314,4315,1381, 7, # 3318 +2520, 983,2378, 336,1710,2675,1845, 321,3414, 559,1131,3022,2742,1808,1132,1313, # 3334 + 265,1481,1857,7352, 352,1203,2813,3247, 167,1089, 420,2814, 776, 792,1724,3513, # 3350 +4071,2438,3248,7353,4072,7354, 446, 229, 333,2743, 901,3739,1200,1557,4316,2647, # 3366 +1920, 395,2744,2676,3740,4073,1835, 125, 916,3178,2616,4317,7355,7356,3741,7357, # 3382 +7358,7359,4318,3117,3625,1133,2547,1757,3415,1510,2313,1409,3514,7360,2145, 438, # 3398 +2591,2896,2379,3317,1068, 958,3023, 461, 311,2855,2677,4074,1915,3179,4075,1978, # 3414 + 383, 750,2745,2617,4076, 274, 539, 385,1278,1442,7361,1154,1964, 384, 561, 210, # 3430 + 98,1295,2548,3515,7362,1711,2415,1482,3416,3884,2897,1257, 129,7363,3742, 642, # 3446 + 523,2776,2777,2648,7364, 141,2231,1333, 68, 176, 441, 876, 907,4077, 603,2592, # 3462 + 710, 171,3417, 404, 549, 18,3118,2393,1410,3626,1666,7365,3516,4319,2898,4320, # 3478 +7366,2973, 368,7367, 146, 366, 99, 871,3627,1543, 748, 807,1586,1185, 22,2258, # 3494 + 379,3743,3180,7368,3181, 505,1941,2618,1991,1382,2314,7369, 380,2357, 218, 702, # 3510 +1817,1248,3418,3024,3517,3318,3249,7370,2974,3628, 930,3250,3744,7371, 59,7372, # 3526 + 585, 601,4078, 497,3419,1112,1314,4321,1801,7373,1223,1472,2174,7374, 749,1836, # 3542 + 690,1899,3745,1772,3885,1476, 429,1043,1790,2232,2116, 917,4079, 447,1086,1629, # 3558 +7375, 556,7376,7377,2020,1654, 844,1090, 105, 550, 966,1758,2815,1008,1782, 686, # 3574 +1095,7378,2282, 793,1602,7379,3518,2593,4322,4080,2933,2297,4323,3746, 980,2496, # 3590 + 544, 353, 527,4324, 908,2678,2899,7380, 381,2619,1942,1348,7381,1341,1252, 560, # 3606 +3072,7382,3420,2856,7383,2053, 973, 886,2080, 143,4325,7384,7385, 157,3886, 496, # 3622 +4081, 57, 840, 540,2038,4326,4327,3421,2117,1445, 970,2259,1748,1965,2081,4082, # 3638 +3119,1234,1775,3251,2816,3629, 773,1206,2129,1066,2039,1326,3887,1738,1725,4083, # 3654 + 279,3120, 51,1544,2594, 423,1578,2130,2066, 173,4328,1879,7386,7387,1583, 264, # 3670 + 610,3630,4329,2439, 280, 154,7388,7389,7390,1739, 338,1282,3073, 693,2857,1411, # 3686 +1074,3747,2440,7391,4330,7392,7393,1240, 952,2394,7394,2900,1538,2679, 685,1483, # 3702 +4084,2468,1436, 953,4085,2054,4331, 671,2395, 79,4086,2441,3252, 608, 567,2680, # 3718 +3422,4087,4088,1691, 393,1261,1791,2396,7395,4332,7396,7397,7398,7399,1383,1672, # 3734 +3748,3182,1464, 522,1119, 661,1150, 216, 675,4333,3888,1432,3519, 609,4334,2681, # 3750 +2397,7400,7401,7402,4089,3025, 0,7403,2469, 315, 231,2442, 301,3319,4335,2380, # 3766 +7404, 233,4090,3631,1818,4336,4337,7405, 96,1776,1315,2082,7406, 257,7407,1809, # 3782 +3632,2709,1139,1819,4091,2021,1124,2163,2778,1777,2649,7408,3074, 363,1655,3183, # 3798 +7409,2975,7410,7411,7412,3889,1567,3890, 718, 103,3184, 849,1443, 341,3320,2934, # 3814 +1484,7413,1712, 127, 67, 339,4092,2398, 679,1412, 821,7414,7415, 834, 738, 351, # 3830 +2976,2146, 846, 235,1497,1880, 418,1992,3749,2710, 186,1100,2147,2746,3520,1545, # 3846 +1355,2935,2858,1377, 583,3891,4093,2573,2977,7416,1298,3633,1078,2549,3634,2358, # 3862 + 78,3750,3751, 267,1289,2099,2001,1594,4094, 348, 369,1274,2194,2175,1837,4338, # 3878 +1820,2817,3635,2747,2283,2002,4339,2936,2748, 144,3321, 882,4340,3892,2749,3423, # 3894 +4341,2901,7417,4095,1726, 320,7418,3893,3026, 788,2978,7419,2818,1773,1327,2859, # 3910 +3894,2819,7420,1306,4342,2003,1700,3752,3521,2359,2650, 787,2022, 506, 824,3636, # 3926 + 534, 323,4343,1044,3322,2023,1900, 946,3424,7421,1778,1500,1678,7422,1881,4344, # 3942 + 165, 243,4345,3637,2521, 123, 683,4096, 764,4346, 36,3895,1792, 589,2902, 816, # 3958 + 626,1667,3027,2233,1639,1555,1622,3753,3896,7423,3897,2860,1370,1228,1932, 891, # 3974 +2083,2903, 304,4097,7424, 292,2979,2711,3522, 691,2100,4098,1115,4347, 118, 662, # 3990 +7425, 611,1156, 854,2381,1316,2861, 2, 386, 515,2904,7426,7427,3253, 868,2234, # 4006 +1486, 855,2651, 785,2212,3028,7428,1040,3185,3523,7429,3121, 448,7430,1525,7431, # 4022 +2164,4348,7432,3754,7433,4099,2820,3524,3122, 503, 818,3898,3123,1568, 814, 676, # 4038 +1444, 306,1749,7434,3755,1416,1030, 197,1428, 805,2821,1501,4349,7435,7436,7437, # 4054 +1993,7438,4350,7439,7440,2195, 13,2779,3638,2980,3124,1229,1916,7441,3756,2131, # 4070 +7442,4100,4351,2399,3525,7443,2213,1511,1727,1120,7444,7445, 646,3757,2443, 307, # 4086 +7446,7447,1595,3186,7448,7449,7450,3639,1113,1356,3899,1465,2522,2523,7451, 519, # 4102 +7452, 128,2132, 92,2284,1979,7453,3900,1512, 342,3125,2196,7454,2780,2214,1980, # 4118 +3323,7455, 290,1656,1317, 789, 827,2360,7456,3758,4352, 562, 581,3901,7457, 401, # 4134 +4353,2248, 94,4354,1399,2781,7458,1463,2024,4355,3187,1943,7459, 828,1105,4101, # 4150 +1262,1394,7460,4102, 605,4356,7461,1783,2862,7462,2822, 819,2101, 578,2197,2937, # 4166 +7463,1502, 436,3254,4103,3255,2823,3902,2905,3425,3426,7464,2712,2315,7465,7466, # 4182 +2332,2067, 23,4357, 193, 826,3759,2102, 699,1630,4104,3075, 390,1793,1064,3526, # 4198 +7467,1579,3076,3077,1400,7468,4105,1838,1640,2863,7469,4358,4359, 137,4106, 598, # 4214 +3078,1966, 780, 104, 974,2938,7470, 278, 899, 253, 402, 572, 504, 493,1339,7471, # 4230 +3903,1275,4360,2574,2550,7472,3640,3029,3079,2249, 565,1334,2713, 863, 41,7473, # 4246 +7474,4361,7475,1657,2333, 19, 463,2750,4107, 606,7476,2981,3256,1087,2084,1323, # 4262 +2652,2982,7477,1631,1623,1750,4108,2682,7478,2864, 791,2714,2653,2334, 232,2416, # 4278 +7479,2983,1498,7480,2654,2620, 755,1366,3641,3257,3126,2025,1609, 119,1917,3427, # 4294 + 862,1026,4109,7481,3904,3760,4362,3905,4363,2260,1951,2470,7482,1125, 817,4110, # 4310 +4111,3906,1513,1766,2040,1487,4112,3030,3258,2824,3761,3127,7483,7484,1507,7485, # 4326 +2683, 733, 40,1632,1106,2865, 345,4113, 841,2524, 230,4364,2984,1846,3259,3428, # 4342 +7486,1263, 986,3429,7487, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562,3907, # 4358 +3908,2939, 967,2751,2655,1349, 592,2133,1692,3324,2985,1994,4114,1679,3909,1901, # 4374 +2185,7488, 739,3642,2715,1296,1290,7489,4115,2198,2199,1921,1563,2595,2551,1870, # 4390 +2752,2986,7490, 435,7491, 343,1108, 596, 17,1751,4365,2235,3430,3643,7492,4366, # 4406 + 294,3527,2940,1693, 477, 979, 281,2041,3528, 643,2042,3644,2621,2782,2261,1031, # 4422 +2335,2134,2298,3529,4367, 367,1249,2552,7493,3530,7494,4368,1283,3325,2004, 240, # 4438 +1762,3326,4369,4370, 836,1069,3128, 474,7495,2148,2525, 268,3531,7496,3188,1521, # 4454 +1284,7497,1658,1546,4116,7498,3532,3533,7499,4117,3327,2684,1685,4118, 961,1673, # 4470 +2622, 190,2005,2200,3762,4371,4372,7500, 570,2497,3645,1490,7501,4373,2623,3260, # 4486 +1956,4374, 584,1514, 396,1045,1944,7502,4375,1967,2444,7503,7504,4376,3910, 619, # 4502 +7505,3129,3261, 215,2006,2783,2553,3189,4377,3190,4378, 763,4119,3763,4379,7506, # 4518 +7507,1957,1767,2941,3328,3646,1174, 452,1477,4380,3329,3130,7508,2825,1253,2382, # 4534 +2186,1091,2285,4120, 492,7509, 638,1169,1824,2135,1752,3911, 648, 926,1021,1324, # 4550 +4381, 520,4382, 997, 847,1007, 892,4383,3764,2262,1871,3647,7510,2400,1784,4384, # 4566 +1952,2942,3080,3191,1728,4121,2043,3648,4385,2007,1701,3131,1551, 30,2263,4122, # 4582 +7511,2026,4386,3534,7512, 501,7513,4123, 594,3431,2165,1821,3535,3432,3536,3192, # 4598 + 829,2826,4124,7514,1680,3132,1225,4125,7515,3262,4387,4126,3133,2336,7516,4388, # 4614 +4127,7517,3912,3913,7518,1847,2383,2596,3330,7519,4389, 374,3914, 652,4128,4129, # 4630 + 375,1140, 798,7520,7521,7522,2361,4390,2264, 546,1659, 138,3031,2445,4391,7523, # 4646 +2250, 612,1848, 910, 796,3765,1740,1371, 825,3766,3767,7524,2906,2554,7525, 692, # 4662 + 444,3032,2624, 801,4392,4130,7526,1491, 244,1053,3033,4131,4132, 340,7527,3915, # 4678 +1041,2987, 293,1168, 87,1357,7528,1539, 959,7529,2236, 721, 694,4133,3768, 219, # 4694 +1478, 644,1417,3331,2656,1413,1401,1335,1389,3916,7530,7531,2988,2362,3134,1825, # 4710 + 730,1515, 184,2827, 66,4393,7532,1660,2943, 246,3332, 378,1457, 226,3433, 975, # 4726 +3917,2944,1264,3537, 674, 696,7533, 163,7534,1141,2417,2166, 713,3538,3333,4394, # 4742 +3918,7535,7536,1186, 15,7537,1079,1070,7538,1522,3193,3539, 276,1050,2716, 758, # 4758 +1126, 653,2945,3263,7539,2337, 889,3540,3919,3081,2989, 903,1250,4395,3920,3434, # 4774 +3541,1342,1681,1718, 766,3264, 286, 89,2946,3649,7540,1713,7541,2597,3334,2990, # 4790 +7542,2947,2215,3194,2866,7543,4396,2498,2526, 181, 387,1075,3921, 731,2187,3335, # 4806 +7544,3265, 310, 313,3435,2299, 770,4134, 54,3034, 189,4397,3082,3769,3922,7545, # 4822 +1230,1617,1849, 355,3542,4135,4398,3336, 111,4136,3650,1350,3135,3436,3035,4137, # 4838 +2149,3266,3543,7546,2784,3923,3924,2991, 722,2008,7547,1071, 247,1207,2338,2471, # 4854 +1378,4399,2009, 864,1437,1214,4400, 373,3770,1142,2216, 667,4401, 442,2753,2555, # 4870 +3771,3925,1968,4138,3267,1839, 837, 170,1107, 934,1336,1882,7548,7549,2118,4139, # 4886 +2828, 743,1569,7550,4402,4140, 582,2384,1418,3437,7551,1802,7552, 357,1395,1729, # 4902 +3651,3268,2418,1564,2237,7553,3083,3772,1633,4403,1114,2085,4141,1532,7554, 482, # 4918 +2446,4404,7555,7556,1492, 833,1466,7557,2717,3544,1641,2829,7558,1526,1272,3652, # 4934 +4142,1686,1794, 416,2556,1902,1953,1803,7559,3773,2785,3774,1159,2316,7560,2867, # 4950 +4405,1610,1584,3036,2419,2754, 443,3269,1163,3136,7561,7562,3926,7563,4143,2499, # 4966 +3037,4406,3927,3137,2103,1647,3545,2010,1872,4144,7564,4145, 431,3438,7565, 250, # 4982 + 97, 81,4146,7566,1648,1850,1558, 160, 848,7567, 866, 740,1694,7568,2201,2830, # 4998 +3195,4147,4407,3653,1687, 950,2472, 426, 469,3196,3654,3655,3928,7569,7570,1188, # 5014 + 424,1995, 861,3546,4148,3775,2202,2685, 168,1235,3547,4149,7571,2086,1674,4408, # 5030 +3337,3270, 220,2557,1009,7572,3776, 670,2992, 332,1208, 717,7573,7574,3548,2447, # 5046 +3929,3338,7575, 513,7576,1209,2868,3339,3138,4409,1080,7577,7578,7579,7580,2527, # 5062 +3656,3549, 815,1587,3930,3931,7581,3550,3439,3777,1254,4410,1328,3038,1390,3932, # 5078 +1741,3933,3778,3934,7582, 236,3779,2448,3271,7583,7584,3657,3780,1273,3781,4411, # 5094 +7585, 308,7586,4412, 245,4413,1851,2473,1307,2575, 430, 715,2136,2449,7587, 270, # 5110 + 199,2869,3935,7588,3551,2718,1753, 761,1754, 725,1661,1840,4414,3440,3658,7589, # 5126 +7590, 587, 14,3272, 227,2598, 326, 480,2265, 943,2755,3552, 291, 650,1883,7591, # 5142 +1702,1226, 102,1547, 62,3441, 904,4415,3442,1164,4150,7592,7593,1224,1548,2756, # 5158 + 391, 498,1493,7594,1386,1419,7595,2055,1177,4416, 813, 880,1081,2363, 566,1145, # 5174 +4417,2286,1001,1035,2558,2599,2238, 394,1286,7596,7597,2068,7598, 86,1494,1730, # 5190 +3936, 491,1588, 745, 897,2948, 843,3340,3937,2757,2870,3273,1768, 998,2217,2069, # 5206 + 397,1826,1195,1969,3659,2993,3341, 284,7599,3782,2500,2137,2119,1903,7600,3938, # 5222 +2150,3939,4151,1036,3443,1904, 114,2559,4152, 209,1527,7601,7602,2949,2831,2625, # 5238 +2385,2719,3139, 812,2560,7603,3274,7604,1559, 737,1884,3660,1210, 885, 28,2686, # 5254 +3553,3783,7605,4153,1004,1779,4418,7606, 346,1981,2218,2687,4419,3784,1742, 797, # 5270 +1642,3940,1933,1072,1384,2151, 896,3941,3275,3661,3197,2871,3554,7607,2561,1958, # 5286 +4420,2450,1785,7608,7609,7610,3942,4154,1005,1308,3662,4155,2720,4421,4422,1528, # 5302 +2600, 161,1178,4156,1982, 987,4423,1101,4157, 631,3943,1157,3198,2420,1343,1241, # 5318 +1016,2239,2562, 372, 877,2339,2501,1160, 555,1934, 911,3944,7611, 466,1170, 169, # 5334 +1051,2907,2688,3663,2474,2994,1182,2011,2563,1251,2626,7612, 992,2340,3444,1540, # 5350 +2721,1201,2070,2401,1996,2475,7613,4424, 528,1922,2188,1503,1873,1570,2364,3342, # 5366 +3276,7614, 557,1073,7615,1827,3445,2087,2266,3140,3039,3084, 767,3085,2786,4425, # 5382 +1006,4158,4426,2341,1267,2176,3664,3199, 778,3945,3200,2722,1597,2657,7616,4427, # 5398 +7617,3446,7618,7619,7620,3277,2689,1433,3278, 131, 95,1504,3946, 723,4159,3141, # 5414 +1841,3555,2758,2189,3947,2027,2104,3665,7621,2995,3948,1218,7622,3343,3201,3949, # 5430 +4160,2576, 248,1634,3785, 912,7623,2832,3666,3040,3786, 654, 53,7624,2996,7625, # 5446 +1688,4428, 777,3447,1032,3950,1425,7626, 191, 820,2120,2833, 971,4429, 931,3202, # 5462 + 135, 664, 783,3787,1997, 772,2908,1935,3951,3788,4430,2909,3203, 282,2723, 640, # 5478 +1372,3448,1127, 922, 325,3344,7627,7628, 711,2044,7629,7630,3952,2219,2787,1936, # 5494 +3953,3345,2220,2251,3789,2300,7631,4431,3790,1258,3279,3954,3204,2138,2950,3955, # 5510 +3956,7632,2221, 258,3205,4432, 101,1227,7633,3280,1755,7634,1391,3281,7635,2910, # 5526 +2056, 893,7636,7637,7638,1402,4161,2342,7639,7640,3206,3556,7641,7642, 878,1325, # 5542 +1780,2788,4433, 259,1385,2577, 744,1183,2267,4434,7643,3957,2502,7644, 684,1024, # 5558 +4162,7645, 472,3557,3449,1165,3282,3958,3959, 322,2152, 881, 455,1695,1152,1340, # 5574 + 660, 554,2153,4435,1058,4436,4163, 830,1065,3346,3960,4437,1923,7646,1703,1918, # 5590 +7647, 932,2268, 122,7648,4438, 947, 677,7649,3791,2627, 297,1905,1924,2269,4439, # 5606 +2317,3283,7650,7651,4164,7652,4165, 84,4166, 112, 989,7653, 547,1059,3961, 701, # 5622 +3558,1019,7654,4167,7655,3450, 942, 639, 457,2301,2451, 993,2951, 407, 851, 494, # 5638 +4440,3347, 927,7656,1237,7657,2421,3348, 573,4168, 680, 921,2911,1279,1874, 285, # 5654 + 790,1448,1983, 719,2167,7658,7659,4441,3962,3963,1649,7660,1541, 563,7661,1077, # 5670 +7662,3349,3041,3451, 511,2997,3964,3965,3667,3966,1268,2564,3350,3207,4442,4443, # 5686 +7663, 535,1048,1276,1189,2912,2028,3142,1438,1373,2834,2952,1134,2012,7664,4169, # 5702 +1238,2578,3086,1259,7665, 700,7666,2953,3143,3668,4170,7667,4171,1146,1875,1906, # 5718 +4444,2601,3967, 781,2422, 132,1589, 203, 147, 273,2789,2402, 898,1786,2154,3968, # 5734 +3969,7668,3792,2790,7669,7670,4445,4446,7671,3208,7672,1635,3793, 965,7673,1804, # 5750 +2690,1516,3559,1121,1082,1329,3284,3970,1449,3794, 65,1128,2835,2913,2759,1590, # 5766 +3795,7674,7675, 12,2658, 45, 976,2579,3144,4447, 517,2528,1013,1037,3209,7676, # 5782 +3796,2836,7677,3797,7678,3452,7679,2602, 614,1998,2318,3798,3087,2724,2628,7680, # 5798 +2580,4172, 599,1269,7681,1810,3669,7682,2691,3088, 759,1060, 489,1805,3351,3285, # 5814 +1358,7683,7684,2386,1387,1215,2629,2252, 490,7685,7686,4173,1759,2387,2343,7687, # 5830 +4448,3799,1907,3971,2630,1806,3210,4449,3453,3286,2760,2344, 874,7688,7689,3454, # 5846 +3670,1858, 91,2914,3671,3042,3800,4450,7690,3145,3972,2659,7691,3455,1202,1403, # 5862 +3801,2954,2529,1517,2503,4451,3456,2504,7692,4452,7693,2692,1885,1495,1731,3973, # 5878 +2365,4453,7694,2029,7695,7696,3974,2693,1216, 237,2581,4174,2319,3975,3802,4454, # 5894 +4455,2694,3560,3457, 445,4456,7697,7698,7699,7700,2761, 61,3976,3672,1822,3977, # 5910 +7701, 687,2045, 935, 925, 405,2660, 703,1096,1859,2725,4457,3978,1876,1367,2695, # 5926 +3352, 918,2105,1781,2476, 334,3287,1611,1093,4458, 564,3146,3458,3673,3353, 945, # 5942 +2631,2057,4459,7702,1925, 872,4175,7703,3459,2696,3089, 349,4176,3674,3979,4460, # 5958 +3803,4177,3675,2155,3980,4461,4462,4178,4463,2403,2046, 782,3981, 400, 251,4179, # 5974 +1624,7704,7705, 277,3676, 299,1265, 476,1191,3804,2121,4180,4181,1109, 205,7706, # 5990 +2582,1000,2156,3561,1860,7707,7708,7709,4464,7710,4465,2565, 107,2477,2157,3982, # 6006 +3460,3147,7711,1533, 541,1301, 158, 753,4182,2872,3562,7712,1696, 370,1088,4183, # 6022 +4466,3563, 579, 327, 440, 162,2240, 269,1937,1374,3461, 968,3043, 56,1396,3090, # 6038 +2106,3288,3354,7713,1926,2158,4467,2998,7714,3564,7715,7716,3677,4468,2478,7717, # 6054 +2791,7718,1650,4469,7719,2603,7720,7721,3983,2661,3355,1149,3356,3984,3805,3985, # 6070 +7722,1076, 49,7723, 951,3211,3289,3290, 450,2837, 920,7724,1811,2792,2366,4184, # 6086 +1908,1138,2367,3806,3462,7725,3212,4470,1909,1147,1518,2423,4471,3807,7726,4472, # 6102 +2388,2604, 260,1795,3213,7727,7728,3808,3291, 708,7729,3565,1704,7730,3566,1351, # 6118 +1618,3357,2999,1886, 944,4185,3358,4186,3044,3359,4187,7731,3678, 422, 413,1714, # 6134 +3292, 500,2058,2345,4188,2479,7732,1344,1910, 954,7733,1668,7734,7735,3986,2404, # 6150 +4189,3567,3809,4190,7736,2302,1318,2505,3091, 133,3092,2873,4473, 629, 31,2838, # 6166 +2697,3810,4474, 850, 949,4475,3987,2955,1732,2088,4191,1496,1852,7737,3988, 620, # 6182 +3214, 981,1242,3679,3360,1619,3680,1643,3293,2139,2452,1970,1719,3463,2168,7738, # 6198 +3215,7739,7740,3361,1828,7741,1277,4476,1565,2047,7742,1636,3568,3093,7743, 869, # 6214 +2839, 655,3811,3812,3094,3989,3000,3813,1310,3569,4477,7744,7745,7746,1733, 558, # 6230 +4478,3681, 335,1549,3045,1756,4192,3682,1945,3464,1829,1291,1192, 470,2726,2107, # 6246 +2793, 913,1054,3990,7747,1027,7748,3046,3991,4479, 982,2662,3362,3148,3465,3216, # 6262 +3217,1946,2794,7749, 571,4480,7750,1830,7751,3570,2583,1523,2424,7752,2089, 984, # 6278 +4481,3683,1959,7753,3684, 852, 923,2795,3466,3685, 969,1519, 999,2048,2320,1705, # 6294 +7754,3095, 615,1662, 151, 597,3992,2405,2321,1049, 275,4482,3686,4193, 568,3687, # 6310 +3571,2480,4194,3688,7755,2425,2270, 409,3218,7756,1566,2874,3467,1002, 769,2840, # 6326 + 194,2090,3149,3689,2222,3294,4195, 628,1505,7757,7758,1763,2177,3001,3993, 521, # 6342 +1161,2584,1787,2203,2406,4483,3994,1625,4196,4197, 412, 42,3096, 464,7759,2632, # 6358 +4484,3363,1760,1571,2875,3468,2530,1219,2204,3814,2633,2140,2368,4485,4486,3295, # 6374 +1651,3364,3572,7760,7761,3573,2481,3469,7762,3690,7763,7764,2271,2091, 460,7765, # 6390 +4487,7766,3002, 962, 588,3574, 289,3219,2634,1116, 52,7767,3047,1796,7768,7769, # 6406 +7770,1467,7771,1598,1143,3691,4198,1984,1734,1067,4488,1280,3365, 465,4489,1572, # 6422 + 510,7772,1927,2241,1812,1644,3575,7773,4490,3692,7774,7775,2663,1573,1534,7776, # 6438 +7777,4199, 536,1807,1761,3470,3815,3150,2635,7778,7779,7780,4491,3471,2915,1911, # 6454 +2796,7781,3296,1122, 377,3220,7782, 360,7783,7784,4200,1529, 551,7785,2059,3693, # 6470 +1769,2426,7786,2916,4201,3297,3097,2322,2108,2030,4492,1404, 136,1468,1479, 672, # 6486 +1171,3221,2303, 271,3151,7787,2762,7788,2049, 678,2727, 865,1947,4493,7789,2013, # 6502 +3995,2956,7790,2728,2223,1397,3048,3694,4494,4495,1735,2917,3366,3576,7791,3816, # 6518 + 509,2841,2453,2876,3817,7792,7793,3152,3153,4496,4202,2531,4497,2304,1166,1010, # 6534 + 552, 681,1887,7794,7795,2957,2958,3996,1287,1596,1861,3154, 358, 453, 736, 175, # 6550 + 478,1117, 905,1167,1097,7796,1853,1530,7797,1706,7798,2178,3472,2287,3695,3473, # 6566 +3577,4203,2092,4204,7799,3367,1193,2482,4205,1458,2190,2205,1862,1888,1421,3298, # 6582 +2918,3049,2179,3474, 595,2122,7800,3997,7801,7802,4206,1707,2636, 223,3696,1359, # 6598 + 751,3098, 183,3475,7803,2797,3003, 419,2369, 633, 704,3818,2389, 241,7804,7805, # 6614 +7806, 838,3004,3697,2272,2763,2454,3819,1938,2050,3998,1309,3099,2242,1181,7807, # 6630 +1136,2206,3820,2370,1446,4207,2305,4498,7808,7809,4208,1055,2605, 484,3698,7810, # 6646 +3999, 625,4209,2273,3368,1499,4210,4000,7811,4001,4211,3222,2274,2275,3476,7812, # 6662 +7813,2764, 808,2606,3699,3369,4002,4212,3100,2532, 526,3370,3821,4213, 955,7814, # 6678 +1620,4214,2637,2427,7815,1429,3700,1669,1831, 994, 928,7816,3578,1260,7817,7818, # 6694 +7819,1948,2288, 741,2919,1626,4215,2729,2455, 867,1184, 362,3371,1392,7820,7821, # 6710 +4003,4216,1770,1736,3223,2920,4499,4500,1928,2698,1459,1158,7822,3050,3372,2877, # 6726 +1292,1929,2506,2842,3701,1985,1187,2071,2014,2607,4217,7823,2566,2507,2169,3702, # 6742 +2483,3299,7824,3703,4501,7825,7826, 666,1003,3005,1022,3579,4218,7827,4502,1813, # 6758 +2253, 574,3822,1603, 295,1535, 705,3823,4219, 283, 858, 417,7828,7829,3224,4503, # 6774 +4504,3051,1220,1889,1046,2276,2456,4004,1393,1599, 689,2567, 388,4220,7830,2484, # 6790 + 802,7831,2798,3824,2060,1405,2254,7832,4505,3825,2109,1052,1345,3225,1585,7833, # 6806 + 809,7834,7835,7836, 575,2730,3477, 956,1552,1469,1144,2323,7837,2324,1560,2457, # 6822 +3580,3226,4005, 616,2207,3155,2180,2289,7838,1832,7839,3478,4506,7840,1319,3704, # 6838 +3705,1211,3581,1023,3227,1293,2799,7841,7842,7843,3826, 607,2306,3827, 762,2878, # 6854 +1439,4221,1360,7844,1485,3052,7845,4507,1038,4222,1450,2061,2638,4223,1379,4508, # 6870 +2585,7846,7847,4224,1352,1414,2325,2921,1172,7848,7849,3828,3829,7850,1797,1451, # 6886 +7851,7852,7853,7854,2922,4006,4007,2485,2346, 411,4008,4009,3582,3300,3101,4509, # 6902 +1561,2664,1452,4010,1375,7855,7856, 47,2959, 316,7857,1406,1591,2923,3156,7858, # 6918 +1025,2141,3102,3157, 354,2731, 884,2224,4225,2407, 508,3706, 726,3583, 996,2428, # 6934 +3584, 729,7859, 392,2191,1453,4011,4510,3707,7860,7861,2458,3585,2608,1675,2800, # 6950 + 919,2347,2960,2348,1270,4511,4012, 73,7862,7863, 647,7864,3228,2843,2255,1550, # 6966 +1346,3006,7865,1332, 883,3479,7866,7867,7868,7869,3301,2765,7870,1212, 831,1347, # 6982 +4226,4512,2326,3830,1863,3053, 720,3831,4513,4514,3832,7871,4227,7872,7873,4515, # 6998 +7874,7875,1798,4516,3708,2609,4517,3586,1645,2371,7876,7877,2924, 669,2208,2665, # 7014 +2429,7878,2879,7879,7880,1028,3229,7881,4228,2408,7882,2256,1353,7883,7884,4518, # 7030 +3158, 518,7885,4013,7886,4229,1960,7887,2142,4230,7888,7889,3007,2349,2350,3833, # 7046 + 516,1833,1454,4014,2699,4231,4519,2225,2610,1971,1129,3587,7890,2766,7891,2961, # 7062 +1422, 577,1470,3008,1524,3373,7892,7893, 432,4232,3054,3480,7894,2586,1455,2508, # 7078 +2226,1972,1175,7895,1020,2732,4015,3481,4520,7896,2733,7897,1743,1361,3055,3482, # 7094 +2639,4016,4233,4521,2290, 895, 924,4234,2170, 331,2243,3056, 166,1627,3057,1098, # 7110 +7898,1232,2880,2227,3374,4522, 657, 403,1196,2372, 542,3709,3375,1600,4235,3483, # 7126 +7899,4523,2767,3230, 576, 530,1362,7900,4524,2533,2666,3710,4017,7901, 842,3834, # 7142 +7902,2801,2031,1014,4018, 213,2700,3376, 665, 621,4236,7903,3711,2925,2430,7904, # 7158 +2431,3302,3588,3377,7905,4237,2534,4238,4525,3589,1682,4239,3484,1380,7906, 724, # 7174 +2277, 600,1670,7907,1337,1233,4526,3103,2244,7908,1621,4527,7909, 651,4240,7910, # 7190 +1612,4241,2611,7911,2844,7912,2734,2307,3058,7913, 716,2459,3059, 174,1255,2701, # 7206 +4019,3590, 548,1320,1398, 728,4020,1574,7914,1890,1197,3060,4021,7915,3061,3062, # 7222 +3712,3591,3713, 747,7916, 635,4242,4528,7917,7918,7919,4243,7920,7921,4529,7922, # 7238 +3378,4530,2432, 451,7923,3714,2535,2072,4244,2735,4245,4022,7924,1764,4531,7925, # 7254 +4246, 350,7926,2278,2390,2486,7927,4247,4023,2245,1434,4024, 488,4532, 458,4248, # 7270 +4025,3715, 771,1330,2391,3835,2568,3159,2159,2409,1553,2667,3160,4249,7928,2487, # 7286 +2881,2612,1720,2702,4250,3379,4533,7929,2536,4251,7930,3231,4252,2768,7931,2015, # 7302 +2736,7932,1155,1017,3716,3836,7933,3303,2308, 201,1864,4253,1430,7934,4026,7935, # 7318 +7936,7937,7938,7939,4254,1604,7940, 414,1865, 371,2587,4534,4535,3485,2016,3104, # 7334 +4536,1708, 960,4255, 887, 389,2171,1536,1663,1721,7941,2228,4027,2351,2926,1580, # 7350 +7942,7943,7944,1744,7945,2537,4537,4538,7946,4539,7947,2073,7948,7949,3592,3380, # 7366 +2882,4256,7950,4257,2640,3381,2802, 673,2703,2460, 709,3486,4028,3593,4258,7951, # 7382 +1148, 502, 634,7952,7953,1204,4540,3594,1575,4541,2613,3717,7954,3718,3105, 948, # 7398 +3232, 121,1745,3837,1110,7955,4259,3063,2509,3009,4029,3719,1151,1771,3838,1488, # 7414 +4030,1986,7956,2433,3487,7957,7958,2093,7959,4260,3839,1213,1407,2803, 531,2737, # 7430 +2538,3233,1011,1537,7960,2769,4261,3106,1061,7961,3720,3721,1866,2883,7962,2017, # 7446 + 120,4262,4263,2062,3595,3234,2309,3840,2668,3382,1954,4542,7963,7964,3488,1047, # 7462 +2704,1266,7965,1368,4543,2845, 649,3383,3841,2539,2738,1102,2846,2669,7966,7967, # 7478 +1999,7968,1111,3596,2962,7969,2488,3842,3597,2804,1854,3384,3722,7970,7971,3385, # 7494 +2410,2884,3304,3235,3598,7972,2569,7973,3599,2805,4031,1460, 856,7974,3600,7975, # 7510 +2885,2963,7976,2886,3843,7977,4264, 632,2510, 875,3844,1697,3845,2291,7978,7979, # 7526 +4544,3010,1239, 580,4545,4265,7980, 914, 936,2074,1190,4032,1039,2123,7981,7982, # 7542 +7983,3386,1473,7984,1354,4266,3846,7985,2172,3064,4033, 915,3305,4267,4268,3306, # 7558 +1605,1834,7986,2739, 398,3601,4269,3847,4034, 328,1912,2847,4035,3848,1331,4270, # 7574 +3011, 937,4271,7987,3602,4036,4037,3387,2160,4546,3388, 524, 742, 538,3065,1012, # 7590 +7988,7989,3849,2461,7990, 658,1103, 225,3850,7991,7992,4547,7993,4548,7994,3236, # 7606 +1243,7995,4038, 963,2246,4549,7996,2705,3603,3161,7997,7998,2588,2327,7999,4550, # 7622 +8000,8001,8002,3489,3307, 957,3389,2540,2032,1930,2927,2462, 870,2018,3604,1746, # 7638 +2770,2771,2434,2463,8003,3851,8004,3723,3107,3724,3490,3390,3725,8005,1179,3066, # 7654 +8006,3162,2373,4272,3726,2541,3163,3108,2740,4039,8007,3391,1556,2542,2292, 977, # 7670 +2887,2033,4040,1205,3392,8008,1765,3393,3164,2124,1271,1689, 714,4551,3491,8009, # 7686 +2328,3852, 533,4273,3605,2181, 617,8010,2464,3308,3492,2310,8011,8012,3165,8013, # 7702 +8014,3853,1987, 618, 427,2641,3493,3394,8015,8016,1244,1690,8017,2806,4274,4552, # 7718 +8018,3494,8019,8020,2279,1576, 473,3606,4275,3395, 972,8021,3607,8022,3067,8023, # 7734 +8024,4553,4554,8025,3727,4041,4042,8026, 153,4555, 356,8027,1891,2888,4276,2143, # 7750 + 408, 803,2352,8028,3854,8029,4277,1646,2570,2511,4556,4557,3855,8030,3856,4278, # 7766 +8031,2411,3396, 752,8032,8033,1961,2964,8034, 746,3012,2465,8035,4279,3728, 698, # 7782 +4558,1892,4280,3608,2543,4559,3609,3857,8036,3166,3397,8037,1823,1302,4043,2706, # 7798 +3858,1973,4281,8038,4282,3167, 823,1303,1288,1236,2848,3495,4044,3398, 774,3859, # 7814 +8039,1581,4560,1304,2849,3860,4561,8040,2435,2161,1083,3237,4283,4045,4284, 344, # 7830 +1173, 288,2311, 454,1683,8041,8042,1461,4562,4046,2589,8043,8044,4563, 985, 894, # 7846 +8045,3399,3168,8046,1913,2928,3729,1988,8047,2110,1974,8048,4047,8049,2571,1194, # 7862 + 425,8050,4564,3169,1245,3730,4285,8051,8052,2850,8053, 636,4565,1855,3861, 760, # 7878 +1799,8054,4286,2209,1508,4566,4048,1893,1684,2293,8055,8056,8057,4287,4288,2210, # 7894 + 479,8058,8059, 832,8060,4049,2489,8061,2965,2490,3731, 990,3109, 627,1814,2642, # 7910 +4289,1582,4290,2125,2111,3496,4567,8062, 799,4291,3170,8063,4568,2112,1737,3013, # 7926 +1018, 543, 754,4292,3309,1676,4569,4570,4050,8064,1489,8065,3497,8066,2614,2889, # 7942 +4051,8067,8068,2966,8069,8070,8071,8072,3171,4571,4572,2182,1722,8073,3238,3239, # 7958 +1842,3610,1715, 481, 365,1975,1856,8074,8075,1962,2491,4573,8076,2126,3611,3240, # 7974 + 433,1894,2063,2075,8077, 602,2741,8078,8079,8080,8081,8082,3014,1628,3400,8083, # 7990 +3172,4574,4052,2890,4575,2512,8084,2544,2772,8085,8086,8087,3310,4576,2891,8088, # 8006 +4577,8089,2851,4578,4579,1221,2967,4053,2513,8090,8091,8092,1867,1989,8093,8094, # 8022 +8095,1895,8096,8097,4580,1896,4054, 318,8098,2094,4055,4293,8099,8100, 485,8101, # 8038 + 938,3862, 553,2670, 116,8102,3863,3612,8103,3498,2671,2773,3401,3311,2807,8104, # 8054 +3613,2929,4056,1747,2930,2968,8105,8106, 207,8107,8108,2672,4581,2514,8109,3015, # 8070 + 890,3614,3864,8110,1877,3732,3402,8111,2183,2353,3403,1652,8112,8113,8114, 941, # 8086 +2294, 208,3499,4057,2019, 330,4294,3865,2892,2492,3733,4295,8115,8116,8117,8118, # 8102 +) + diff --git a/venv/lib/python3.7/site-packages/chardet/euctwprober.py b/venv/lib/python3.7/site-packages/chardet/euctwprober.py new file mode 100644 index 0000000..35669cc --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/euctwprober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCTWDistributionAnalysis +from .mbcssm import EUCTW_SM_MODEL + +class EUCTWProber(MultiByteCharSetProber): + def __init__(self): + super(EUCTWProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCTW_SM_MODEL) + self.distribution_analyzer = EUCTWDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-TW" + + @property + def language(self): + return "Taiwan" diff --git a/venv/lib/python3.7/site-packages/chardet/gb2312freq.py b/venv/lib/python3.7/site-packages/chardet/gb2312freq.py new file mode 100644 index 0000000..697837b --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/gb2312freq.py @@ -0,0 +1,283 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# GB2312 most frequently used character table +# +# Char to FreqOrder table , from hz6763 + +# 512 --> 0.79 -- 0.79 +# 1024 --> 0.92 -- 0.13 +# 2048 --> 0.98 -- 0.06 +# 6768 --> 1.00 -- 0.02 +# +# Ideal Distribution Ratio = 0.79135/(1-0.79135) = 3.79 +# Random Distribution Ration = 512 / (3755 - 512) = 0.157 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher that RDR + +GB2312_TYPICAL_DISTRIBUTION_RATIO = 0.9 + +GB2312_TABLE_SIZE = 3760 + +GB2312_CHAR_TO_FREQ_ORDER = ( +1671, 749,1443,2364,3924,3807,2330,3921,1704,3463,2691,1511,1515, 572,3191,2205, +2361, 224,2558, 479,1711, 963,3162, 440,4060,1905,2966,2947,3580,2647,3961,3842, +2204, 869,4207, 970,2678,5626,2944,2956,1479,4048, 514,3595, 588,1346,2820,3409, + 249,4088,1746,1873,2047,1774, 581,1813, 358,1174,3590,1014,1561,4844,2245, 670, +1636,3112, 889,1286, 953, 556,2327,3060,1290,3141, 613, 185,3477,1367, 850,3820, +1715,2428,2642,2303,2732,3041,2562,2648,3566,3946,1349, 388,3098,2091,1360,3585, + 152,1687,1539, 738,1559, 59,1232,2925,2267,1388,1249,1741,1679,2960, 151,1566, +1125,1352,4271, 924,4296, 385,3166,4459, 310,1245,2850, 70,3285,2729,3534,3575, +2398,3298,3466,1960,2265, 217,3647, 864,1909,2084,4401,2773,1010,3269,5152, 853, +3051,3121,1244,4251,1895, 364,1499,1540,2313,1180,3655,2268, 562, 715,2417,3061, + 544, 336,3768,2380,1752,4075, 950, 280,2425,4382, 183,2759,3272, 333,4297,2155, +1688,2356,1444,1039,4540, 736,1177,3349,2443,2368,2144,2225, 565, 196,1482,3406, + 927,1335,4147, 692, 878,1311,1653,3911,3622,1378,4200,1840,2969,3149,2126,1816, +2534,1546,2393,2760, 737,2494, 13, 447, 245,2747, 38,2765,2129,2589,1079, 606, + 360, 471,3755,2890, 404, 848, 699,1785,1236, 370,2221,1023,3746,2074,2026,2023, +2388,1581,2119, 812,1141,3091,2536,1519, 804,2053, 406,1596,1090, 784, 548,4414, +1806,2264,2936,1100, 343,4114,5096, 622,3358, 743,3668,1510,1626,5020,3567,2513, +3195,4115,5627,2489,2991, 24,2065,2697,1087,2719, 48,1634, 315, 68, 985,2052, + 198,2239,1347,1107,1439, 597,2366,2172, 871,3307, 919,2487,2790,1867, 236,2570, +1413,3794, 906,3365,3381,1701,1982,1818,1524,2924,1205, 616,2586,2072,2004, 575, + 253,3099, 32,1365,1182, 197,1714,2454,1201, 554,3388,3224,2748, 756,2587, 250, +2567,1507,1517,3529,1922,2761,2337,3416,1961,1677,2452,2238,3153, 615, 911,1506, +1474,2495,1265,1906,2749,3756,3280,2161, 898,2714,1759,3450,2243,2444, 563, 26, +3286,2266,3769,3344,2707,3677, 611,1402, 531,1028,2871,4548,1375, 261,2948, 835, +1190,4134, 353, 840,2684,1900,3082,1435,2109,1207,1674, 329,1872,2781,4055,2686, +2104, 608,3318,2423,2957,2768,1108,3739,3512,3271,3985,2203,1771,3520,1418,2054, +1681,1153, 225,1627,2929, 162,2050,2511,3687,1954, 124,1859,2431,1684,3032,2894, + 585,4805,3969,2869,2704,2088,2032,2095,3656,2635,4362,2209, 256, 518,2042,2105, +3777,3657, 643,2298,1148,1779, 190, 989,3544, 414, 11,2135,2063,2979,1471, 403, +3678, 126, 770,1563, 671,2499,3216,2877, 600,1179, 307,2805,4937,1268,1297,2694, + 252,4032,1448,1494,1331,1394, 127,2256, 222,1647,1035,1481,3056,1915,1048, 873, +3651, 210, 33,1608,2516, 200,1520, 415, 102, 0,3389,1287, 817, 91,3299,2940, + 836,1814, 549,2197,1396,1669,2987,3582,2297,2848,4528,1070, 687, 20,1819, 121, +1552,1364,1461,1968,2617,3540,2824,2083, 177, 948,4938,2291, 110,4549,2066, 648, +3359,1755,2110,2114,4642,4845,1693,3937,3308,1257,1869,2123, 208,1804,3159,2992, +2531,2549,3361,2418,1350,2347,2800,2568,1291,2036,2680, 72, 842,1990, 212,1233, +1154,1586, 75,2027,3410,4900,1823,1337,2710,2676, 728,2810,1522,3026,4995, 157, + 755,1050,4022, 710, 785,1936,2194,2085,1406,2777,2400, 150,1250,4049,1206, 807, +1910, 534, 529,3309,1721,1660, 274, 39,2827, 661,2670,1578, 925,3248,3815,1094, +4278,4901,4252, 41,1150,3747,2572,2227,4501,3658,4902,3813,3357,3617,2884,2258, + 887, 538,4187,3199,1294,2439,3042,2329,2343,2497,1255, 107, 543,1527, 521,3478, +3568, 194,5062, 15, 961,3870,1241,1192,2664, 66,5215,3260,2111,1295,1127,2152, +3805,4135, 901,1164,1976, 398,1278, 530,1460, 748, 904,1054,1966,1426, 53,2909, + 509, 523,2279,1534, 536,1019, 239,1685, 460,2353, 673,1065,2401,3600,4298,2272, +1272,2363, 284,1753,3679,4064,1695, 81, 815,2677,2757,2731,1386, 859, 500,4221, +2190,2566, 757,1006,2519,2068,1166,1455, 337,2654,3203,1863,1682,1914,3025,1252, +1409,1366, 847, 714,2834,2038,3209, 964,2970,1901, 885,2553,1078,1756,3049, 301, +1572,3326, 688,2130,1996,2429,1805,1648,2930,3421,2750,3652,3088, 262,1158,1254, + 389,1641,1812, 526,1719, 923,2073,1073,1902, 468, 489,4625,1140, 857,2375,3070, +3319,2863, 380, 116,1328,2693,1161,2244, 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49,3770, +3469, 462, 318, 656,2259,3250,3069, 679,1629,2758, 344,1138,1104,3120,1836,1283, +3115,2154,1437,4448, 934, 759,1999, 794,2862,1038, 533,2560,1722,2342, 855,2626, +1197,1663,4476,3127, 85,4240,2528, 25,1111,1181,3673, 407,3470,4561,2679,2713, + 768,1925,2841,3986,1544,1165, 932, 373,1240,2146,1930,2673, 721,4766, 354,4333, + 391,2963, 187, 61,3364,1442,1102, 330,1940,1767, 341,3809,4118, 393,2496,2062, +2211, 105, 331, 300, 439, 913,1332, 626, 379,3304,1557, 328, 689,3952, 309,1555, + 931, 317,2517,3027, 325, 569, 686,2107,3084, 60,1042,1333,2794, 264,3177,4014, +1628, 258,3712, 7,4464,1176,1043,1778, 683, 114,1975, 78,1492, 383,1886, 510, + 386, 645,5291,2891,2069,3305,4138,3867,2939,2603,2493,1935,1066,1848,3588,1015, +1282,1289,4609, 697,1453,3044,2666,3611,1856,2412, 54, 719,1330, 568,3778,2459, +1748, 788, 492, 551,1191,1000, 488,3394,3763, 282,1799, 348,2016,1523,3155,2390, +1049, 382,2019,1788,1170, 729,2968,3523, 897,3926,2785,2938,3292, 350,2319,3238, +1718,1717,2655,3453,3143,4465, 161,2889,2980,2009,1421, 56,1908,1640,2387,2232, +1917,1874,2477,4921, 148, 83,3438, 592,4245,2882,1822,1055, 741, 115,1496,1624, + 381,1638,4592,1020, 516,3214, 458, 947,4575,1432, 211,1514,2926,1865,2142, 189, + 852,1221,1400,1486, 882,2299,4036, 351, 28,1122, 700,6479,6480,6481,6482,6483, #last 512 +) + diff --git a/venv/lib/python3.7/site-packages/chardet/gb2312prober.py b/venv/lib/python3.7/site-packages/chardet/gb2312prober.py new file mode 100644 index 0000000..8446d2d --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/gb2312prober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import GB2312DistributionAnalysis +from .mbcssm import GB2312_SM_MODEL + +class GB2312Prober(MultiByteCharSetProber): + def __init__(self): + super(GB2312Prober, self).__init__() + self.coding_sm = CodingStateMachine(GB2312_SM_MODEL) + self.distribution_analyzer = GB2312DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "GB2312" + + @property + def language(self): + return "Chinese" diff --git a/venv/lib/python3.7/site-packages/chardet/hebrewprober.py b/venv/lib/python3.7/site-packages/chardet/hebrewprober.py new file mode 100644 index 0000000..b0e1bf4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/hebrewprober.py @@ -0,0 +1,292 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Shy Shalom +# Portions created by the Initial Developer are Copyright (C) 2005 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +# This prober doesn't actually recognize a language or a charset. +# It is a helper prober for the use of the Hebrew model probers + +### General ideas of the Hebrew charset recognition ### +# +# Four main charsets exist in Hebrew: +# "ISO-8859-8" - Visual Hebrew +# "windows-1255" - Logical Hebrew +# "ISO-8859-8-I" - Logical Hebrew +# "x-mac-hebrew" - ?? Logical Hebrew ?? +# +# Both "ISO" charsets use a completely identical set of code points, whereas +# "windows-1255" and "x-mac-hebrew" are two different proper supersets of +# these code points. windows-1255 defines additional characters in the range +# 0x80-0x9F as some misc punctuation marks as well as some Hebrew-specific +# diacritics and additional 'Yiddish' ligature letters in the range 0xc0-0xd6. +# x-mac-hebrew defines similar additional code points but with a different +# mapping. +# +# As far as an average Hebrew text with no diacritics is concerned, all four +# charsets are identical with respect to code points. Meaning that for the +# main Hebrew alphabet, all four map the same values to all 27 Hebrew letters +# (including final letters). +# +# The dominant difference between these charsets is their directionality. +# "Visual" directionality means that the text is ordered as if the renderer is +# not aware of a BIDI rendering algorithm. The renderer sees the text and +# draws it from left to right. The text itself when ordered naturally is read +# backwards. A buffer of Visual Hebrew generally looks like so: +# "[last word of first line spelled backwards] [whole line ordered backwards +# and spelled backwards] [first word of first line spelled backwards] +# [end of line] [last word of second line] ... etc' " +# adding punctuation marks, numbers and English text to visual text is +# naturally also "visual" and from left to right. +# +# "Logical" directionality means the text is ordered "naturally" according to +# the order it is read. It is the responsibility of the renderer to display +# the text from right to left. A BIDI algorithm is used to place general +# punctuation marks, numbers and English text in the text. +# +# Texts in x-mac-hebrew are almost impossible to find on the Internet. From +# what little evidence I could find, it seems that its general directionality +# is Logical. +# +# To sum up all of the above, the Hebrew probing mechanism knows about two +# charsets: +# Visual Hebrew - "ISO-8859-8" - backwards text - Words and sentences are +# backwards while line order is natural. For charset recognition purposes +# the line order is unimportant (In fact, for this implementation, even +# word order is unimportant). +# Logical Hebrew - "windows-1255" - normal, naturally ordered text. +# +# "ISO-8859-8-I" is a subset of windows-1255 and doesn't need to be +# specifically identified. +# "x-mac-hebrew" is also identified as windows-1255. A text in x-mac-hebrew +# that contain special punctuation marks or diacritics is displayed with +# some unconverted characters showing as question marks. This problem might +# be corrected using another model prober for x-mac-hebrew. Due to the fact +# that x-mac-hebrew texts are so rare, writing another model prober isn't +# worth the effort and performance hit. +# +#### The Prober #### +# +# The prober is divided between two SBCharSetProbers and a HebrewProber, +# all of which are managed, created, fed data, inquired and deleted by the +# SBCSGroupProber. The two SBCharSetProbers identify that the text is in +# fact some kind of Hebrew, Logical or Visual. The final decision about which +# one is it is made by the HebrewProber by combining final-letter scores +# with the scores of the two SBCharSetProbers to produce a final answer. +# +# The SBCSGroupProber is responsible for stripping the original text of HTML +# tags, English characters, numbers, low-ASCII punctuation characters, spaces +# and new lines. It reduces any sequence of such characters to a single space. +# The buffer fed to each prober in the SBCS group prober is pure text in +# high-ASCII. +# The two SBCharSetProbers (model probers) share the same language model: +# Win1255Model. +# The first SBCharSetProber uses the model normally as any other +# SBCharSetProber does, to recognize windows-1255, upon which this model was +# built. The second SBCharSetProber is told to make the pair-of-letter +# lookup in the language model backwards. This in practice exactly simulates +# a visual Hebrew model using the windows-1255 logical Hebrew model. +# +# The HebrewProber is not using any language model. All it does is look for +# final-letter evidence suggesting the text is either logical Hebrew or visual +# Hebrew. Disjointed from the model probers, the results of the HebrewProber +# alone are meaningless. HebrewProber always returns 0.00 as confidence +# since it never identifies a charset by itself. Instead, the pointer to the +# HebrewProber is passed to the model probers as a helper "Name Prober". +# When the Group prober receives a positive identification from any prober, +# it asks for the name of the charset identified. If the prober queried is a +# Hebrew model prober, the model prober forwards the call to the +# HebrewProber to make the final decision. In the HebrewProber, the +# decision is made according to the final-letters scores maintained and Both +# model probers scores. The answer is returned in the form of the name of the +# charset identified, either "windows-1255" or "ISO-8859-8". + +class HebrewProber(CharSetProber): + # windows-1255 / ISO-8859-8 code points of interest + FINAL_KAF = 0xea + NORMAL_KAF = 0xeb + FINAL_MEM = 0xed + NORMAL_MEM = 0xee + FINAL_NUN = 0xef + NORMAL_NUN = 0xf0 + FINAL_PE = 0xf3 + NORMAL_PE = 0xf4 + FINAL_TSADI = 0xf5 + NORMAL_TSADI = 0xf6 + + # Minimum Visual vs Logical final letter score difference. + # If the difference is below this, don't rely solely on the final letter score + # distance. + MIN_FINAL_CHAR_DISTANCE = 5 + + # Minimum Visual vs Logical model score difference. + # If the difference is below this, don't rely at all on the model score + # distance. + MIN_MODEL_DISTANCE = 0.01 + + VISUAL_HEBREW_NAME = "ISO-8859-8" + LOGICAL_HEBREW_NAME = "windows-1255" + + def __init__(self): + super(HebrewProber, self).__init__() + self._final_char_logical_score = None + self._final_char_visual_score = None + self._prev = None + self._before_prev = None + self._logical_prober = None + self._visual_prober = None + self.reset() + + def reset(self): + self._final_char_logical_score = 0 + self._final_char_visual_score = 0 + # The two last characters seen in the previous buffer, + # mPrev and mBeforePrev are initialized to space in order to simulate + # a word delimiter at the beginning of the data + self._prev = ' ' + self._before_prev = ' ' + # These probers are owned by the group prober. + + def set_model_probers(self, logicalProber, visualProber): + self._logical_prober = logicalProber + self._visual_prober = visualProber + + def is_final(self, c): + return c in [self.FINAL_KAF, self.FINAL_MEM, self.FINAL_NUN, + self.FINAL_PE, self.FINAL_TSADI] + + def is_non_final(self, c): + # The normal Tsadi is not a good Non-Final letter due to words like + # 'lechotet' (to chat) containing an apostrophe after the tsadi. This + # apostrophe is converted to a space in FilterWithoutEnglishLetters + # causing the Non-Final tsadi to appear at an end of a word even + # though this is not the case in the original text. + # The letters Pe and Kaf rarely display a related behavior of not being + # a good Non-Final letter. Words like 'Pop', 'Winamp' and 'Mubarak' + # for example legally end with a Non-Final Pe or Kaf. However, the + # benefit of these letters as Non-Final letters outweighs the damage + # since these words are quite rare. + return c in [self.NORMAL_KAF, self.NORMAL_MEM, + self.NORMAL_NUN, self.NORMAL_PE] + + def feed(self, byte_str): + # Final letter analysis for logical-visual decision. + # Look for evidence that the received buffer is either logical Hebrew + # or visual Hebrew. + # The following cases are checked: + # 1) A word longer than 1 letter, ending with a final letter. This is + # an indication that the text is laid out "naturally" since the + # final letter really appears at the end. +1 for logical score. + # 2) A word longer than 1 letter, ending with a Non-Final letter. In + # normal Hebrew, words ending with Kaf, Mem, Nun, Pe or Tsadi, + # should not end with the Non-Final form of that letter. Exceptions + # to this rule are mentioned above in isNonFinal(). This is an + # indication that the text is laid out backwards. +1 for visual + # score + # 3) A word longer than 1 letter, starting with a final letter. Final + # letters should not appear at the beginning of a word. This is an + # indication that the text is laid out backwards. +1 for visual + # score. + # + # The visual score and logical score are accumulated throughout the + # text and are finally checked against each other in GetCharSetName(). + # No checking for final letters in the middle of words is done since + # that case is not an indication for either Logical or Visual text. + # + # We automatically filter out all 7-bit characters (replace them with + # spaces) so the word boundary detection works properly. [MAP] + + if self.state == ProbingState.NOT_ME: + # Both model probers say it's not them. No reason to continue. + return ProbingState.NOT_ME + + byte_str = self.filter_high_byte_only(byte_str) + + for cur in byte_str: + if cur == ' ': + # We stand on a space - a word just ended + if self._before_prev != ' ': + # next-to-last char was not a space so self._prev is not a + # 1 letter word + if self.is_final(self._prev): + # case (1) [-2:not space][-1:final letter][cur:space] + self._final_char_logical_score += 1 + elif self.is_non_final(self._prev): + # case (2) [-2:not space][-1:Non-Final letter][ + # cur:space] + self._final_char_visual_score += 1 + else: + # Not standing on a space + if ((self._before_prev == ' ') and + (self.is_final(self._prev)) and (cur != ' ')): + # case (3) [-2:space][-1:final letter][cur:not space] + self._final_char_visual_score += 1 + self._before_prev = self._prev + self._prev = cur + + # Forever detecting, till the end or until both model probers return + # ProbingState.NOT_ME (handled above) + return ProbingState.DETECTING + + @property + def charset_name(self): + # Make the decision: is it Logical or Visual? + # If the final letter score distance is dominant enough, rely on it. + finalsub = self._final_char_logical_score - self._final_char_visual_score + if finalsub >= self.MIN_FINAL_CHAR_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if finalsub <= -self.MIN_FINAL_CHAR_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # It's not dominant enough, try to rely on the model scores instead. + modelsub = (self._logical_prober.get_confidence() + - self._visual_prober.get_confidence()) + if modelsub > self.MIN_MODEL_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if modelsub < -self.MIN_MODEL_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # Still no good, back to final letter distance, maybe it'll save the + # day. + if finalsub < 0.0: + return self.VISUAL_HEBREW_NAME + + # (finalsub > 0 - Logical) or (don't know what to do) default to + # Logical. + return self.LOGICAL_HEBREW_NAME + + @property + def language(self): + return 'Hebrew' + + @property + def state(self): + # Remain active as long as any of the model probers are active. + if (self._logical_prober.state == ProbingState.NOT_ME) and \ + (self._visual_prober.state == ProbingState.NOT_ME): + return ProbingState.NOT_ME + return ProbingState.DETECTING diff --git a/venv/lib/python3.7/site-packages/chardet/jisfreq.py b/venv/lib/python3.7/site-packages/chardet/jisfreq.py new file mode 100644 index 0000000..83fc082 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/jisfreq.py @@ -0,0 +1,325 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology +# +# Japanese frequency table, applied to both S-JIS and EUC-JP +# They are sorted in order. + +# 128 --> 0.77094 +# 256 --> 0.85710 +# 512 --> 0.92635 +# 1024 --> 0.97130 +# 2048 --> 0.99431 +# +# Ideal Distribution Ratio = 0.92635 / (1-0.92635) = 12.58 +# Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191 +# +# Typical Distribution Ratio, 25% of IDR + +JIS_TYPICAL_DISTRIBUTION_RATIO = 3.0 + +# Char to FreqOrder table , +JIS_TABLE_SIZE = 4368 + +JIS_CHAR_TO_FREQ_ORDER = ( + 40, 1, 6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, # 16 +3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247, 18, 179,5071, 856,1661, # 32 +1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, # 48 +2042,1061,1062, 48, 49, 44, 45, 433, 434,1040,1041, 996, 787,2997,1255,4305, # 64 +2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, # 80 +5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, # 96 +1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, # 112 +5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, # 128 +5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, # 144 +5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, # 160 +5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, # 176 +5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, # 192 +5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, # 208 +1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, # 224 +1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, # 240 +1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, # 256 +2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, # 272 +3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161, 26,3377, 2,3929, 20, # 288 +3691, 47,4100, 50, 17, 16, 35, 268, 27, 243, 42, 155, 24, 154, 29, 184, # 304 + 4, 91, 14, 92, 53, 396, 33, 289, 9, 37, 64, 620, 21, 39, 321, 5, # 320 + 12, 11, 52, 13, 3, 208, 138, 0, 7, 60, 526, 141, 151,1069, 181, 275, # 336 +1591, 83, 132,1475, 126, 331, 829, 15, 69, 160, 59, 22, 157, 55,1079, 312, # 352 + 109, 38, 23, 25, 10, 19, 79,5195, 61, 382,1124, 8, 30,5196,5197,5198, # 368 +5199,5200,5201,5202,5203,5204,5205,5206, 89, 62, 74, 34,2416, 112, 139, 196, # 384 + 271, 149, 84, 607, 131, 765, 46, 88, 153, 683, 76, 874, 101, 258, 57, 80, # 400 + 32, 364, 121,1508, 169,1547, 68, 235, 145,2999, 41, 360,3027, 70, 63, 31, # 416 + 43, 259, 262,1383, 99, 533, 194, 66, 93, 846, 217, 192, 56, 106, 58, 565, # 432 + 280, 272, 311, 256, 146, 82, 308, 71, 100, 128, 214, 655, 110, 261, 104,1140, # 448 + 54, 51, 36, 87, 67,3070, 185,2618,2936,2020, 28,1066,2390,2059,5207,5208, # 464 +5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, # 480 +5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, # 496 +5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, # 512 +4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, # 528 +5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, # 544 +5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, # 560 +5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, # 576 +5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, # 592 +5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, # 608 +5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, # 624 +5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, # 640 +5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, # 656 +5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, # 672 +3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, # 688 +5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, # 704 +5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, # 720 +5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, # 736 +5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, # 752 +5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, # 768 +5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, # 784 +5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, # 800 +5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, # 816 +5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, # 832 +5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, # 848 +5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, # 864 +5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, # 880 +5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, # 896 +5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, # 912 +5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, # 928 +5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, # 944 +5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, # 960 +5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, # 976 +5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, # 992 +5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, # 1008 +5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, # 1024 +5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, # 1040 +5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, # 1056 +5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, # 1072 +5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, # 1088 +5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, # 1104 +5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, # 1120 +5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, # 1136 +5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, # 1152 +5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, # 1168 +5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, # 1184 +5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, # 1200 +5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, # 1216 +5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, # 1232 +5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, # 1248 +5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, # 1264 +5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, # 1280 +5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, # 1296 +6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, # 1312 +6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, # 1328 +6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, # 1344 +6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, # 1360 +6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, # 1376 +6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, # 1392 +6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, # 1408 +6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, # 1424 +4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, # 1440 + 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, # 1456 + 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, # 1472 +1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619, 65,3302,2045, # 1488 +1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, # 1504 + 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, # 1520 +3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, # 1536 +3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, # 1552 + 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, # 1568 +3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, # 1584 +3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, # 1600 + 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, # 1616 +2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, # 1632 + 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, # 1648 +3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, # 1664 +1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, # 1680 + 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, # 1696 +1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, # 1712 + 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, # 1728 +2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, # 1744 +2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, # 1760 +2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, # 1776 +2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, # 1792 +1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, # 1808 +1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, # 1824 +1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, # 1840 +1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, # 1856 +2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, # 1872 +1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, # 1888 +2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, # 1904 +1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, # 1920 +1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, # 1936 +1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, # 1952 +1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, # 1968 +1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, # 1984 +1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, # 2000 + 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, # 2016 + 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, # 2032 +1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, # 2048 +2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, # 2064 +2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, # 2080 +2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, # 2096 +3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, # 2112 +3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, # 2128 + 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, # 2144 +3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, # 2160 +1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876, 78,2287,1482,1277, # 2176 + 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, # 2192 +2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, # 2208 +1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, # 2224 + 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, # 2240 +3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, # 2256 +4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, # 2272 +2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, # 2288 +1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, # 2304 +2601,1919,1078, 75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, # 2320 +1075, 292,3818,1756,2602, 317, 98,3173,3605,3525,1844,2218,3819,2502, 814, 567, # 2336 + 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, # 2352 + 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, # 2368 +1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, # 2384 +2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, # 2400 +2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, # 2416 +2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, # 2432 +3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, # 2448 +1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, # 2464 +2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, # 2480 + 359,2291,1676, 73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, # 2496 + 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, # 2512 + 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, # 2528 +1209, 96, 587,2166,1032, 260,1072,2153, 173, 94, 226,3244, 819,2006,4642,4114, # 2544 +2203, 231,1744, 782, 97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, # 2560 + 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, # 2576 +1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, # 2592 +1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, # 2608 + 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, # 2624 +1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, # 2640 +1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, # 2656 +1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, # 2672 + 764,2861,1853, 688,2429,1920,1462, 77, 595, 415,2002,3034, 798,1192,4115,6144, # 2688 +2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, # 2704 + 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, # 2720 +2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, # 2736 +3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, # 2752 +2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, # 2768 +1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, # 2784 +6147, 441, 762,1771,3447,3607,3608,1904, 840,3037, 86, 939,1385, 572,1370,2445, # 2800 +1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, # 2816 +2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, # 2832 +1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, # 2848 + 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, # 2864 + 72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, # 2880 +3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, # 2896 +3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, # 2912 +1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, # 2928 +1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, # 2944 +1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, # 2960 +1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, # 2976 + 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, # 2992 + 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, # 3008 +2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, # 3024 + 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, # 3040 +3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, # 3056 +2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, # 3072 + 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, # 3088 +1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, # 3104 +2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, # 3120 + 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, # 3136 +1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, # 3152 + 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, # 3168 +4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, # 3184 +2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, # 3200 +1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, # 3216 + 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, # 3232 +1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, # 3248 +2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, # 3264 + 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, # 3280 +6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, # 3296 +1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, # 3312 +1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, # 3328 +2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, # 3344 +3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, # 3360 + 914,2550,2587, 81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, # 3376 +3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, # 3392 +1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, # 3408 + 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, # 3424 +1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, # 3440 + 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, # 3456 +3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, # 3472 + 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, # 3488 +2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, # 3504 + 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, # 3520 +4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, # 3536 +2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, # 3552 +1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, # 3568 +1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, # 3584 +1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, # 3600 + 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, # 3616 +1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, # 3632 +3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, # 3648 +1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, # 3664 +3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, # 3680 + 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, # 3696 + 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, # 3712 + 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, # 3728 +2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, # 3744 +1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, # 3760 + 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, # 3776 +1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, # 3792 + 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, # 3808 +1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, # 3824 + 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, # 3840 + 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, # 3856 + 480,2083,1774,3458, 923,2279,1350, 221,3086, 85,2233,2234,3835,1585,3010,2147, # 3872 +1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, # 3888 +1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, # 3904 +2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, # 3920 +4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, # 3936 + 227,1351,1645,2453,2193,1421,2887, 812,2121, 634, 95,2435, 201,2312,4665,1646, # 3952 +1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, # 3968 + 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, # 3984 +1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, # 4000 +3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, # 4016 +1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, # 4032 +2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, # 4048 +2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, # 4064 +1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, # 4080 +1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, # 4096 +2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, # 4112 + 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, # 4128 +2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, # 4144 +1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, # 4160 +1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, # 4176 +1279,2136,1697,2335, 204, 721,2097,3838, 90,6186,2085,2505, 191,3967, 124,2148, # 4192 +1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, # 4208 +3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, # 4224 +2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, # 4240 +2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, # 4256 + 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, # 4272 +3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, # 4288 +3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, # 4304 +1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, # 4320 +2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, # 4336 +1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, # 4352 +2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, # 4368 #last 512 +) + + diff --git a/venv/lib/python3.7/site-packages/chardet/jpcntx.py b/venv/lib/python3.7/site-packages/chardet/jpcntx.py new file mode 100644 index 0000000..20044e4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/jpcntx.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +# This is hiragana 2-char sequence table, the number in each cell represents its frequency category +jp2CharContext = ( +(0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1), +(2,4,0,4,0,3,0,4,0,3,4,4,4,2,4,3,3,4,3,2,3,3,4,2,3,3,3,2,4,1,4,3,3,1,5,4,3,4,3,4,3,5,3,0,3,5,4,2,0,3,1,0,3,3,0,3,3,0,1,1,0,4,3,0,3,3,0,4,0,2,0,3,5,5,5,5,4,0,4,1,0,3,4), +(0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2), +(0,4,0,5,0,5,0,4,0,4,5,4,4,3,5,3,5,1,5,3,4,3,4,4,3,4,3,3,4,3,5,4,4,3,5,5,3,5,5,5,3,5,5,3,4,5,5,3,1,3,2,0,3,4,0,4,2,0,4,2,1,5,3,2,3,5,0,4,0,2,0,5,4,4,5,4,5,0,4,0,0,4,4), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), +(0,3,0,4,0,3,0,3,0,4,5,4,3,3,3,3,4,3,5,4,4,3,5,4,4,3,4,3,4,4,4,4,5,3,4,4,3,4,5,5,4,5,5,1,4,5,4,3,0,3,3,1,3,3,0,4,4,0,3,3,1,5,3,3,3,5,0,4,0,3,0,4,4,3,4,3,3,0,4,1,1,3,4), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), +(0,4,0,3,0,3,0,4,0,3,4,4,3,2,2,1,2,1,3,1,3,3,3,3,3,4,3,1,3,3,5,3,3,0,4,3,0,5,4,3,3,5,4,4,3,4,4,5,0,1,2,0,1,2,0,2,2,0,1,0,0,5,2,2,1,4,0,3,0,1,0,4,4,3,5,4,3,0,2,1,0,4,3), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), +(0,3,0,5,0,4,0,2,1,4,4,2,4,1,4,2,4,2,4,3,3,3,4,3,3,3,3,1,4,2,3,3,3,1,4,4,1,1,1,4,3,3,2,0,2,4,3,2,0,3,3,0,3,1,1,0,0,0,3,3,0,4,2,2,3,4,0,4,0,3,0,4,4,5,3,4,4,0,3,0,0,1,4), +(1,4,0,4,0,4,0,4,0,3,5,4,4,3,4,3,5,4,3,3,4,3,5,4,4,4,4,3,4,2,4,3,3,1,5,4,3,2,4,5,4,5,5,4,4,5,4,4,0,3,2,2,3,3,0,4,3,1,3,2,1,4,3,3,4,5,0,3,0,2,0,4,5,5,4,5,4,0,4,0,0,5,4), +(0,5,0,5,0,4,0,3,0,4,4,3,4,3,3,3,4,0,4,4,4,3,4,3,4,3,3,1,4,2,4,3,4,0,5,4,1,4,5,4,4,5,3,2,4,3,4,3,2,4,1,3,3,3,2,3,2,0,4,3,3,4,3,3,3,4,0,4,0,3,0,4,5,4,4,4,3,0,4,1,0,1,3), +(0,3,1,4,0,3,0,2,0,3,4,4,3,1,4,2,3,3,4,3,4,3,4,3,4,4,3,2,3,1,5,4,4,1,4,4,3,5,4,4,3,5,5,4,3,4,4,3,1,2,3,1,2,2,0,3,2,0,3,1,0,5,3,3,3,4,3,3,3,3,4,4,4,4,5,4,2,0,3,3,2,4,3), +(0,2,0,3,0,1,0,1,0,0,3,2,0,0,2,0,1,0,2,1,3,3,3,1,2,3,1,0,1,0,4,2,1,1,3,3,0,4,3,3,1,4,3,3,0,3,3,2,0,0,0,0,1,0,0,2,0,0,0,0,0,4,1,0,2,3,2,2,2,1,3,3,3,4,4,3,2,0,3,1,0,3,3), +(0,4,0,4,0,3,0,3,0,4,4,4,3,3,3,3,3,3,4,3,4,2,4,3,4,3,3,2,4,3,4,5,4,1,4,5,3,5,4,5,3,5,4,0,3,5,5,3,1,3,3,2,2,3,0,3,4,1,3,3,2,4,3,3,3,4,0,4,0,3,0,4,5,4,4,5,3,0,4,1,0,3,4), +(0,2,0,3,0,3,0,0,0,2,2,2,1,0,1,0,0,0,3,0,3,0,3,0,1,3,1,0,3,1,3,3,3,1,3,3,3,0,1,3,1,3,4,0,0,3,1,1,0,3,2,0,0,0,0,1,3,0,1,0,0,3,3,2,0,3,0,0,0,0,0,3,4,3,4,3,3,0,3,0,0,2,3), +(2,3,0,3,0,2,0,1,0,3,3,4,3,1,3,1,1,1,3,1,4,3,4,3,3,3,0,0,3,1,5,4,3,1,4,3,2,5,5,4,4,4,4,3,3,4,4,4,0,2,1,1,3,2,0,1,2,0,0,1,0,4,1,3,3,3,0,3,0,1,0,4,4,4,5,5,3,0,2,0,0,4,4), +(0,2,0,1,0,3,1,3,0,2,3,3,3,0,3,1,0,0,3,0,3,2,3,1,3,2,1,1,0,0,4,2,1,0,2,3,1,4,3,2,0,4,4,3,1,3,1,3,0,1,0,0,1,0,0,0,1,0,0,0,0,4,1,1,1,2,0,3,0,0,0,3,4,2,4,3,2,0,1,0,0,3,3), +(0,1,0,4,0,5,0,4,0,2,4,4,2,3,3,2,3,3,5,3,3,3,4,3,4,2,3,0,4,3,3,3,4,1,4,3,2,1,5,5,3,4,5,1,3,5,4,2,0,3,3,0,1,3,0,4,2,0,1,3,1,4,3,3,3,3,0,3,0,1,0,3,4,4,4,5,5,0,3,0,1,4,5), +(0,2,0,3,0,3,0,0,0,2,3,1,3,0,4,0,1,1,3,0,3,4,3,2,3,1,0,3,3,2,3,1,3,0,2,3,0,2,1,4,1,2,2,0,0,3,3,0,0,2,0,0,0,1,0,0,0,0,2,2,0,3,2,1,3,3,0,2,0,2,0,0,3,3,1,2,4,0,3,0,2,2,3), +(2,4,0,5,0,4,0,4,0,2,4,4,4,3,4,3,3,3,1,2,4,3,4,3,4,4,5,0,3,3,3,3,2,0,4,3,1,4,3,4,1,4,4,3,3,4,4,3,1,2,3,0,4,2,0,4,1,0,3,3,0,4,3,3,3,4,0,4,0,2,0,3,5,3,4,5,2,0,3,0,0,4,5), +(0,3,0,4,0,1,0,1,0,1,3,2,2,1,3,0,3,0,2,0,2,0,3,0,2,0,0,0,1,0,1,1,0,0,3,1,0,0,0,4,0,3,1,0,2,1,3,0,0,0,0,0,0,3,0,0,0,0,0,0,0,4,2,2,3,1,0,3,0,0,0,1,4,4,4,3,0,0,4,0,0,1,4), +(1,4,1,5,0,3,0,3,0,4,5,4,4,3,5,3,3,4,4,3,4,1,3,3,3,3,2,1,4,1,5,4,3,1,4,4,3,5,4,4,3,5,4,3,3,4,4,4,0,3,3,1,2,3,0,3,1,0,3,3,0,5,4,4,4,4,4,4,3,3,5,4,4,3,3,5,4,0,3,2,0,4,4), 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+(0,0,0,1,0,4,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,3,2,0,0,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,2), +(0,2,0,3,0,4,0,4,0,1,3,3,3,0,4,0,2,1,2,1,1,1,2,0,3,1,1,0,1,0,3,1,0,0,3,3,2,0,1,1,0,0,0,0,0,1,0,2,0,2,2,0,3,1,0,0,1,0,1,1,0,1,2,0,3,0,0,0,0,1,0,0,3,3,4,3,1,0,1,0,3,0,2), +(0,0,0,3,0,5,0,0,0,0,1,0,2,0,3,1,0,1,3,0,0,0,2,0,0,0,1,0,0,0,1,1,0,0,4,0,0,0,2,3,0,1,4,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,1,0,0,0,0,0,0,0,2,0,0,3,0,0,0,0,0,3), +(0,2,0,5,0,5,0,1,0,2,4,3,3,2,5,1,3,2,3,3,3,0,4,1,2,0,3,0,4,0,2,2,1,1,5,3,0,0,1,4,2,3,2,0,3,3,3,2,0,2,4,1,1,2,0,1,1,0,3,1,0,1,3,1,2,3,0,2,0,0,0,1,3,5,4,4,4,0,3,0,0,1,3), +(0,4,0,5,0,4,0,4,0,4,5,4,3,3,4,3,3,3,4,3,4,4,5,3,4,5,4,2,4,2,3,4,3,1,4,4,1,3,5,4,4,5,5,4,4,5,5,5,2,3,3,1,4,3,1,3,3,0,3,3,1,4,3,4,4,4,0,3,0,4,0,3,3,4,4,5,0,0,4,3,0,4,5), +(0,4,0,4,0,3,0,3,0,3,4,4,4,3,3,2,4,3,4,3,4,3,5,3,4,3,2,1,4,2,4,4,3,1,3,4,2,4,5,5,3,4,5,4,1,5,4,3,0,3,2,2,3,2,1,3,1,0,3,3,3,5,3,3,3,5,4,4,2,3,3,4,3,3,3,2,1,0,3,2,1,4,3), +(0,4,0,5,0,4,0,3,0,3,5,5,3,2,4,3,4,0,5,4,4,1,4,4,4,3,3,3,4,3,5,5,2,3,3,4,1,2,5,5,3,5,5,2,3,5,5,4,0,3,2,0,3,3,1,1,5,1,4,1,0,4,3,2,3,5,0,4,0,3,0,5,4,3,4,3,0,0,4,1,0,4,4), +(1,3,0,4,0,2,0,2,0,2,5,5,3,3,3,3,3,0,4,2,3,4,4,4,3,4,0,0,3,4,5,4,3,3,3,3,2,5,5,4,5,5,5,4,3,5,5,5,1,3,1,0,1,0,0,3,2,0,4,2,0,5,2,3,2,4,1,3,0,3,0,4,5,4,5,4,3,0,4,2,0,5,4), +(0,3,0,4,0,5,0,3,0,3,4,4,3,2,3,2,3,3,3,3,3,2,4,3,3,2,2,0,3,3,3,3,3,1,3,3,3,0,4,4,3,4,4,1,1,4,4,2,0,3,1,0,1,1,0,4,1,0,2,3,1,3,3,1,3,4,0,3,0,1,0,3,1,3,0,0,1,0,2,0,0,4,4), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), +(0,3,0,3,0,2,0,3,0,1,5,4,3,3,3,1,4,2,1,2,3,4,4,2,4,4,5,0,3,1,4,3,4,0,4,3,3,3,2,3,2,5,3,4,3,2,2,3,0,0,3,0,2,1,0,1,2,0,0,0,0,2,1,1,3,1,0,2,0,4,0,3,4,4,4,5,2,0,2,0,0,1,3), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,4,2,1,1,0,1,0,3,2,0,0,3,1,1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,1,0,0,0,2,0,0,0,1,4,0,4,2,1,0,0,0,0,0,1), +(0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,3,1,0,0,0,2,0,2,1,0,0,1,2,1,0,1,1,0,0,3,0,0,0,0,0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,1,0,0,2,1,0,0,0,0,0,0,0,0,2), +(0,4,0,4,0,4,0,3,0,4,4,3,4,2,4,3,2,0,4,4,4,3,5,3,5,3,3,2,4,2,4,3,4,3,1,4,0,2,3,4,4,4,3,3,3,4,4,4,3,4,1,3,4,3,2,1,2,1,3,3,3,4,4,3,3,5,0,4,0,3,0,4,3,3,3,2,1,0,3,0,0,3,3), +(0,4,0,3,0,3,0,3,0,3,5,5,3,3,3,3,4,3,4,3,3,3,4,4,4,3,3,3,3,4,3,5,3,3,1,3,2,4,5,5,5,5,4,3,4,5,5,3,2,2,3,3,3,3,2,3,3,1,2,3,2,4,3,3,3,4,0,4,0,2,0,4,3,2,2,1,2,0,3,0,0,4,1), +) + +class JapaneseContextAnalysis(object): + NUM_OF_CATEGORY = 6 + DONT_KNOW = -1 + ENOUGH_REL_THRESHOLD = 100 + MAX_REL_THRESHOLD = 1000 + MINIMUM_DATA_THRESHOLD = 4 + + def __init__(self): + self._total_rel = None + self._rel_sample = None + self._need_to_skip_char_num = None + self._last_char_order = None + self._done = None + self.reset() + + def reset(self): + self._total_rel = 0 # total sequence received + # category counters, each integer counts sequence in its category + self._rel_sample = [0] * self.NUM_OF_CATEGORY + # if last byte in current buffer is not the last byte of a character, + # we need to know how many bytes to skip in next buffer + self._need_to_skip_char_num = 0 + self._last_char_order = -1 # The order of previous char + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + + def feed(self, byte_str, num_bytes): + if self._done: + return + + # The buffer we got is byte oriented, and a character may span in more than one + # buffers. In case the last one or two byte in last buffer is not + # complete, we record how many byte needed to complete that character + # and skip these bytes here. We can choose to record those bytes as + # well and analyse the character once it is complete, but since a + # character will not make much difference, by simply skipping + # this character will simply our logic and improve performance. + i = self._need_to_skip_char_num + while i < num_bytes: + order, char_len = self.get_order(byte_str[i:i + 2]) + i += char_len + if i > num_bytes: + self._need_to_skip_char_num = i - num_bytes + self._last_char_order = -1 + else: + if (order != -1) and (self._last_char_order != -1): + self._total_rel += 1 + if self._total_rel > self.MAX_REL_THRESHOLD: + self._done = True + break + self._rel_sample[jp2CharContext[self._last_char_order][order]] += 1 + self._last_char_order = order + + def got_enough_data(self): + return self._total_rel > self.ENOUGH_REL_THRESHOLD + + def get_confidence(self): + # This is just one way to calculate confidence. It works well for me. + if self._total_rel > self.MINIMUM_DATA_THRESHOLD: + return (self._total_rel - self._rel_sample[0]) / self._total_rel + else: + return self.DONT_KNOW + + def get_order(self, byte_str): + return -1, 1 + +class SJISContextAnalysis(JapaneseContextAnalysis): + def __init__(self): + super(SJISContextAnalysis, self).__init__() + self._charset_name = "SHIFT_JIS" + + @property + def charset_name(self): + return self._charset_name + + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (0x81 <= first_char <= 0x9F) or (0xE0 <= first_char <= 0xFC): + char_len = 2 + if (first_char == 0x87) or (0xFA <= first_char <= 0xFC): + self._charset_name = "CP932" + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 202) and (0x9F <= second_char <= 0xF1): + return second_char - 0x9F, char_len + + return -1, char_len + +class EUCJPContextAnalysis(JapaneseContextAnalysis): + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (first_char == 0x8E) or (0xA1 <= first_char <= 0xFE): + char_len = 2 + elif first_char == 0x8F: + char_len = 3 + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 0xA4) and (0xA1 <= second_char <= 0xF3): + return second_char - 0xA1, char_len + + return -1, char_len + + diff --git a/venv/lib/python3.7/site-packages/chardet/langbulgarianmodel.py b/venv/lib/python3.7/site-packages/chardet/langbulgarianmodel.py new file mode 100644 index 0000000..2aa4fb2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/langbulgarianmodel.py @@ -0,0 +1,228 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +# this table is modified base on win1251BulgarianCharToOrderMap, so +# only number <64 is sure valid + +Latin5_BulgarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 77, 90, 99,100, 72,109,107,101, 79,185, 81,102, 76, 94, 82, # 40 +110,186,108, 91, 74,119, 84, 96,111,187,115,253,253,253,253,253, # 50 +253, 65, 69, 70, 66, 63, 68,112,103, 92,194,104, 95, 86, 87, 71, # 60 +116,195, 85, 93, 97,113,196,197,198,199,200,253,253,253,253,253, # 70 +194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209, # 80 +210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225, # 90 + 81,226,227,228,229,230,105,231,232,233,234,235,236, 45,237,238, # a0 + 31, 32, 35, 43, 37, 44, 55, 47, 40, 59, 33, 46, 38, 36, 41, 30, # b0 + 39, 28, 34, 51, 48, 49, 53, 50, 54, 57, 61,239, 67,240, 60, 56, # c0 + 1, 18, 9, 20, 11, 3, 23, 15, 2, 26, 12, 10, 14, 6, 4, 13, # d0 + 7, 8, 5, 19, 29, 25, 22, 21, 27, 24, 17, 75, 52,241, 42, 16, # e0 + 62,242,243,244, 58,245, 98,246,247,248,249,250,251, 91,252,253, # f0 +) + +win1251BulgarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 77, 90, 99,100, 72,109,107,101, 79,185, 81,102, 76, 94, 82, # 40 +110,186,108, 91, 74,119, 84, 96,111,187,115,253,253,253,253,253, # 50 +253, 65, 69, 70, 66, 63, 68,112,103, 92,194,104, 95, 86, 87, 71, # 60 +116,195, 85, 93, 97,113,196,197,198,199,200,253,253,253,253,253, # 70 +206,207,208,209,210,211,212,213,120,214,215,216,217,218,219,220, # 80 +221, 78, 64, 83,121, 98,117,105,222,223,224,225,226,227,228,229, # 90 + 88,230,231,232,233,122, 89,106,234,235,236,237,238, 45,239,240, # a0 + 73, 80,118,114,241,242,243,244,245, 62, 58,246,247,248,249,250, # b0 + 31, 32, 35, 43, 37, 44, 55, 47, 40, 59, 33, 46, 38, 36, 41, 30, # c0 + 39, 28, 34, 51, 48, 49, 53, 50, 54, 57, 61,251, 67,252, 60, 56, # d0 + 1, 18, 9, 20, 11, 3, 23, 15, 2, 26, 12, 10, 14, 6, 4, 13, # e0 + 7, 8, 5, 19, 29, 25, 22, 21, 27, 24, 17, 75, 52,253, 42, 16, # f0 +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 96.9392% +# first 1024 sequences:3.0618% +# rest sequences: 0.2992% +# negative sequences: 0.0020% +BulgarianLangModel = ( +0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,3,3,3,3,3,3,3,3,2,3,3,3,3,3, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,2,2,3,2,2,1,2,2, +3,1,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,3,3,3,3,3,3,3,0,3,0,1, +0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,3,2,3,3,3,3,3,3,3,3,0,3,1,0, +0,1,0,0,0,0,0,0,0,0,1,1,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, +3,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,1,3,2,3,3,3,3,3,3,3,3,0,3,0,0, +0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,2,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,1,3,2,3,3,3,3,3,3,3,3,0,3,0,0, +0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,2,3,2,2,1,3,3,3,3,2,2,2,1,1,2,0,1,0,1,0,0, +0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,1, 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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +1,0,0,1,2,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0, +0,1,1,0,1,1,1,0,0,1,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0, +1,0,1,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,1,0,2,0,0,2,0,1,0,0,1,0,0,1, +1,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0, +1,1,1,1,1,1,1,2,0,0,0,0,0,0,2,1,0,1,1,0,0,1,1,1,0,1,0,0,0,0,0,0, +2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,1,1,0,1,1,1,1,1,0,1,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, +) + +Latin5BulgarianModel = { + 'char_to_order_map': Latin5_BulgarianCharToOrderMap, + 'precedence_matrix': BulgarianLangModel, + 'typical_positive_ratio': 0.969392, + 'keep_english_letter': False, + 'charset_name': "ISO-8859-5", + 'language': 'Bulgairan', +} + +Win1251BulgarianModel = { + 'char_to_order_map': win1251BulgarianCharToOrderMap, + 'precedence_matrix': BulgarianLangModel, + 'typical_positive_ratio': 0.969392, + 'keep_english_letter': False, + 'charset_name': "windows-1251", + 'language': 'Bulgarian', +} diff --git a/venv/lib/python3.7/site-packages/chardet/langcyrillicmodel.py b/venv/lib/python3.7/site-packages/chardet/langcyrillicmodel.py new file mode 100644 index 0000000..e5f9a1f --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/langcyrillicmodel.py @@ -0,0 +1,333 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# KOI8-R language model +# Character Mapping Table: +KOI8R_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, # 80 +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, # 90 +223,224,225, 68,226,227,228,229,230,231,232,233,234,235,236,237, # a0 +238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253, # b0 + 27, 3, 21, 28, 13, 2, 39, 19, 26, 4, 23, 11, 8, 12, 5, 1, # c0 + 15, 16, 9, 7, 6, 14, 24, 10, 17, 18, 20, 25, 30, 29, 22, 54, # d0 + 59, 37, 44, 58, 41, 48, 53, 46, 55, 42, 60, 36, 49, 38, 31, 34, # e0 + 35, 43, 45, 32, 40, 52, 56, 33, 61, 62, 51, 57, 47, 63, 50, 70, # f0 +) + +win1251_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, +239,240,241,242,243,244,245,246, 68,247,248,249,250,251,252,253, + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +) + +latin5_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +239, 68,240,241,242,243,244,245,246,247,248,249,250,251,252,255, +) + +macCyrillic_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, +239,240,241,242,243,244,245,246,247,248,249,250,251,252, 68, 16, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27,255, +) + +IBM855_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194, 68,195,196,197,198,199,200,201,202,203,204,205, +206,207,208,209,210,211,212,213,214,215,216,217, 27, 59, 54, 70, + 3, 37, 21, 44, 28, 58, 13, 41, 2, 48, 39, 53, 19, 46,218,219, +220,221,222,223,224, 26, 55, 4, 42,225,226,227,228, 23, 60,229, +230,231,232,233,234,235, 11, 36,236,237,238,239,240,241,242,243, + 8, 49, 12, 38, 5, 31, 1, 34, 15,244,245,246,247, 35, 16,248, + 43, 9, 45, 7, 32, 6, 40, 14, 52, 24, 56, 10, 33, 17, 61,249, +250, 18, 62, 20, 51, 25, 57, 30, 47, 29, 63, 22, 50,251,252,255, +) + +IBM866_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +239, 68,240,241,242,243,244,245,246,247,248,249,250,251,252,255, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 97.6601% +# first 1024 sequences: 2.3389% +# rest sequences: 0.1237% +# negative sequences: 0.0009% +RussianLangModel = ( +0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,1,1,3,3,3,3,1,3,3,3,2,3,2,3,3, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,2,2,2,2,2,0,0,2, +3,3,3,2,3,3,3,3,3,3,3,3,3,3,2,3,3,0,0,3,3,3,3,3,3,3,3,3,2,3,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,2,2,3,3,3,3,3,3,3,3,3,2,3,3,0,0,3,3,3,3,3,3,3,3,2,3,3,1,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,2,3,2,3,3,3,3,3,3,3,3,3,3,3,3,3,0,0,3,3,3,3,3,3,3,3,3,3,3,2,1, +0,0,0,0,0,0,0,2,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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+Koi8rModel = { + 'char_to_order_map': KOI8R_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "KOI8-R", + 'language': 'Russian', +} + +Win1251CyrillicModel = { + 'char_to_order_map': win1251_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "windows-1251", + 'language': 'Russian', +} + +Latin5CyrillicModel = { + 'char_to_order_map': latin5_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "ISO-8859-5", + 'language': 'Russian', +} + +MacCyrillicModel = { + 'char_to_order_map': macCyrillic_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "MacCyrillic", + 'language': 'Russian', +} + +Ibm866Model = { + 'char_to_order_map': IBM866_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "IBM866", + 'language': 'Russian', +} + +Ibm855Model = { + 'char_to_order_map': IBM855_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "IBM855", + 'language': 'Russian', +} diff --git a/venv/lib/python3.7/site-packages/chardet/langgreekmodel.py b/venv/lib/python3.7/site-packages/chardet/langgreekmodel.py new file mode 100644 index 0000000..5332221 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/langgreekmodel.py @@ -0,0 +1,225 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin7_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 82,100,104, 94, 98,101,116,102,111,187,117, 92, 88,113, 85, # 40 + 79,118,105, 83, 67,114,119, 95, 99,109,188,253,253,253,253,253, # 50 +253, 72, 70, 80, 81, 60, 96, 93, 89, 68,120, 97, 77, 86, 69, 55, # 60 + 78,115, 65, 66, 58, 76,106,103, 87,107,112,253,253,253,253,253, # 70 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 80 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 90 +253,233, 90,253,253,253,253,253,253,253,253,253,253, 74,253,253, # a0 +253,253,253,253,247,248, 61, 36, 46, 71, 73,253, 54,253,108,123, # b0 +110, 31, 51, 43, 41, 34, 91, 40, 52, 47, 44, 53, 38, 49, 59, 39, # c0 + 35, 48,250, 37, 33, 45, 56, 50, 84, 57,120,121, 17, 18, 22, 15, # d0 +124, 1, 29, 20, 21, 3, 32, 13, 25, 5, 11, 16, 10, 6, 30, 4, # e0 + 9, 8, 14, 7, 2, 12, 28, 23, 42, 24, 64, 75, 19, 26, 27,253, # f0 +) + +win1253_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 82,100,104, 94, 98,101,116,102,111,187,117, 92, 88,113, 85, # 40 + 79,118,105, 83, 67,114,119, 95, 99,109,188,253,253,253,253,253, # 50 +253, 72, 70, 80, 81, 60, 96, 93, 89, 68,120, 97, 77, 86, 69, 55, # 60 + 78,115, 65, 66, 58, 76,106,103, 87,107,112,253,253,253,253,253, # 70 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 80 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 90 +253,233, 61,253,253,253,253,253,253,253,253,253,253, 74,253,253, # a0 +253,253,253,253,247,253,253, 36, 46, 71, 73,253, 54,253,108,123, # b0 +110, 31, 51, 43, 41, 34, 91, 40, 52, 47, 44, 53, 38, 49, 59, 39, # c0 + 35, 48,250, 37, 33, 45, 56, 50, 84, 57,120,121, 17, 18, 22, 15, # d0 +124, 1, 29, 20, 21, 3, 32, 13, 25, 5, 11, 16, 10, 6, 30, 4, # e0 + 9, 8, 14, 7, 2, 12, 28, 23, 42, 24, 64, 75, 19, 26, 27,253, # f0 +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 98.2851% +# first 1024 sequences:1.7001% +# rest sequences: 0.0359% +# negative sequences: 0.0148% +GreekLangModel = ( +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,3,2,2,3,3,3,3,3,3,3,3,1,3,3,3,0,2,2,3,3,0,3,0,3,2,0,3,3,3,0, +3,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,3,3,3,3,3,0,3,3,0,3,2,3,3,0,3,2,3,3,3,0,0,3,0,3,0,3,3,2,0,0,0, +2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0, +0,2,3,2,2,3,3,3,3,3,3,3,3,0,3,3,3,3,0,2,3,3,0,3,3,3,3,2,3,3,3,0, +2,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,2,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,0,2,1,3,3,3,3,2,3,3,2,3,3,2,0, +0,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,3,3,3,3,0,3,3,3,3,3,3,0,3,3,0,3,3,3,3,3,3,3,3,3,3,0,3,2,3,3,0, +2,0,1,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, +0,3,3,3,3,3,2,3,0,0,0,0,3,3,0,3,1,3,3,3,0,3,3,0,3,3,3,3,0,0,0,0, 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GreekLangModel, + 'typical_positive_ratio': 0.982851, + 'keep_english_letter': False, + 'charset_name': "windows-1253", + 'language': 'Greek', +} diff --git a/venv/lib/python3.7/site-packages/chardet/langhebrewmodel.py b/venv/lib/python3.7/site-packages/chardet/langhebrewmodel.py new file mode 100644 index 0000000..58f4c87 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/langhebrewmodel.py @@ -0,0 +1,200 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Simon Montagu +# Portions created by the Initial Developer are Copyright (C) 2005 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Shoshannah Forbes - original C code (?) +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Windows-1255 language model +# Character Mapping Table: +WIN1255_CHAR_TO_ORDER_MAP = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 69, 91, 79, 80, 92, 89, 97, 90, 68,111,112, 82, 73, 95, 85, # 40 + 78,121, 86, 71, 67,102,107, 84,114,103,115,253,253,253,253,253, # 50 +253, 50, 74, 60, 61, 42, 76, 70, 64, 53,105, 93, 56, 65, 54, 49, # 60 + 66,110, 51, 43, 44, 63, 81, 77, 98, 75,108,253,253,253,253,253, # 70 +124,202,203,204,205, 40, 58,206,207,208,209,210,211,212,213,214, +215, 83, 52, 47, 46, 72, 32, 94,216,113,217,109,218,219,220,221, + 34,116,222,118,100,223,224,117,119,104,125,225,226, 87, 99,227, +106,122,123,228, 55,229,230,101,231,232,120,233, 48, 39, 57,234, + 30, 59, 41, 88, 33, 37, 36, 31, 29, 35,235, 62, 28,236,126,237, +238, 38, 45,239,240,241,242,243,127,244,245,246,247,248,249,250, + 9, 8, 20, 16, 3, 2, 24, 14, 22, 1, 25, 15, 4, 11, 6, 23, + 12, 19, 13, 26, 18, 27, 21, 17, 7, 10, 5,251,252,128, 96,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 98.4004% +# first 1024 sequences: 1.5981% +# rest sequences: 0.087% +# negative sequences: 0.0015% +HEBREW_LANG_MODEL = ( +0,3,3,3,3,3,3,3,3,3,3,2,3,3,3,3,3,3,3,3,3,3,3,2,3,2,1,2,0,1,0,0, 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+######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin2_HungarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 28, 40, 54, 45, 32, 50, 49, 38, 39, 53, 36, 41, 34, 35, 47, + 46, 71, 43, 33, 37, 57, 48, 64, 68, 55, 52,253,253,253,253,253, +253, 2, 18, 26, 17, 1, 27, 12, 20, 9, 22, 7, 6, 13, 4, 8, + 23, 67, 10, 5, 3, 21, 19, 65, 62, 16, 11,253,253,253,253,253, +159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174, +175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190, +191,192,193,194,195,196,197, 75,198,199,200,201,202,203,204,205, + 79,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220, +221, 51, 81,222, 78,223,224,225,226, 44,227,228,229, 61,230,231, +232,233,234, 58,235, 66, 59,236,237,238, 60, 69, 63,239,240,241, + 82, 14, 74,242, 70, 80,243, 72,244, 15, 83, 77, 84, 30, 76, 85, +245,246,247, 25, 73, 42, 24,248,249,250, 31, 56, 29,251,252,253, +) + +win1250HungarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 28, 40, 54, 45, 32, 50, 49, 38, 39, 53, 36, 41, 34, 35, 47, + 46, 72, 43, 33, 37, 57, 48, 64, 68, 55, 52,253,253,253,253,253, +253, 2, 18, 26, 17, 1, 27, 12, 20, 9, 22, 7, 6, 13, 4, 8, + 23, 67, 10, 5, 3, 21, 19, 65, 62, 16, 11,253,253,253,253,253, +161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176, +177,178,179,180, 78,181, 69,182,183,184,185,186,187,188,189,190, +191,192,193,194,195,196,197, 76,198,199,200,201,202,203,204,205, + 81,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220, +221, 51, 83,222, 80,223,224,225,226, 44,227,228,229, 61,230,231, +232,233,234, 58,235, 66, 59,236,237,238, 60, 70, 63,239,240,241, + 84, 14, 75,242, 71, 82,243, 73,244, 15, 85, 79, 86, 30, 77, 87, +245,246,247, 25, 74, 42, 24,248,249,250, 31, 56, 29,251,252,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 94.7368% +# first 1024 sequences:5.2623% +# rest sequences: 0.8894% +# negative sequences: 0.0009% +HungarianLangModel = ( 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'charset_name': "windows-1250", + 'language': 'Hungarian', +} diff --git a/venv/lib/python3.7/site-packages/chardet/langthaimodel.py b/venv/lib/python3.7/site-packages/chardet/langthaimodel.py new file mode 100644 index 0000000..15f94c2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/langthaimodel.py @@ -0,0 +1,199 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# The following result for thai was collected from a limited sample (1M). + +# Character Mapping Table: +TIS620CharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,182,106,107,100,183,184,185,101, 94,186,187,108,109,110,111, # 40 +188,189,190, 89, 95,112,113,191,192,193,194,253,253,253,253,253, # 50 +253, 64, 72, 73,114, 74,115,116,102, 81,201,117, 90,103, 78, 82, # 60 + 96,202, 91, 79, 84,104,105, 97, 98, 92,203,253,253,253,253,253, # 70 +209,210,211,212,213, 88,214,215,216,217,218,219,220,118,221,222, +223,224, 99, 85, 83,225,226,227,228,229,230,231,232,233,234,235, +236, 5, 30,237, 24,238, 75, 8, 26, 52, 34, 51,119, 47, 58, 57, + 49, 53, 55, 43, 20, 19, 44, 14, 48, 3, 17, 25, 39, 62, 31, 54, + 45, 9, 16, 2, 61, 15,239, 12, 42, 46, 18, 21, 76, 4, 66, 63, + 22, 10, 1, 36, 23, 13, 40, 27, 32, 35, 86,240,241,242,243,244, + 11, 28, 41, 29, 33,245, 50, 37, 6, 7, 67, 77, 38, 93,246,247, + 68, 56, 59, 65, 69, 60, 70, 80, 71, 87,248,249,250,251,252,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 92.6386% +# first 1024 sequences:7.3177% +# rest sequences: 1.0230% +# negative sequences: 0.0436% +ThaiLangModel = ( +0,1,3,3,3,3,0,0,3,3,0,3,3,0,3,3,3,3,3,3,3,3,0,0,3,3,3,0,3,3,3,3, +0,3,3,0,0,0,1,3,0,3,3,2,3,3,0,1,2,3,3,3,3,0,2,0,2,0,0,3,2,1,2,2, +3,0,3,3,2,3,0,0,3,3,0,3,3,0,3,3,3,3,3,3,3,3,3,0,3,2,3,0,2,2,2,3, +0,2,3,0,0,0,0,1,0,1,2,3,1,1,3,2,2,0,1,1,0,0,1,0,0,0,0,0,0,0,1,1, +3,3,3,2,3,3,3,3,3,3,3,3,3,3,3,2,2,2,2,2,2,2,3,3,2,3,2,3,3,2,2,2, +3,1,2,3,0,3,3,2,2,1,2,3,3,1,2,0,1,3,0,1,0,0,1,0,0,0,0,0,0,0,1,1, +3,3,2,2,3,3,3,3,1,2,3,3,3,3,3,2,2,2,2,3,3,2,2,3,3,2,2,3,2,3,2,2, +3,3,1,2,3,1,2,2,3,3,1,0,2,1,0,0,3,1,2,1,0,0,1,0,0,0,0,0,0,1,0,1, +3,3,3,3,3,3,2,2,3,3,3,3,2,3,2,2,3,3,2,2,3,2,2,2,2,1,1,3,1,2,1,1, +3,2,1,0,2,1,0,1,0,1,1,0,1,1,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0, +3,3,3,2,3,2,3,3,2,2,3,2,3,3,2,3,1,1,2,3,2,2,2,3,2,2,2,2,2,1,2,1, +2,2,1,1,3,3,2,1,0,1,2,2,0,1,3,0,0,0,1,1,0,0,0,0,0,2,3,0,0,2,1,1, +3,3,2,3,3,2,0,0,3,3,0,3,3,0,2,2,3,1,2,2,1,1,1,0,2,2,2,0,2,2,1,1, +0,2,1,0,2,0,0,2,0,1,0,0,1,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,0, +3,3,2,3,3,2,0,0,3,3,0,2,3,0,2,1,2,2,2,2,1,2,0,0,2,2,2,0,2,2,1,1, 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b/venv/lib/python3.7/site-packages/chardet/langturkishmodel.py @@ -0,0 +1,193 @@ +# -*- coding: utf-8 -*- +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Özgür Baskın - Turkish Language Model +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin5_TurkishCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255, 23, 37, 47, 39, 29, 52, 36, 45, 53, 60, 16, 49, 20, 46, 42, + 48, 69, 44, 35, 31, 51, 38, 62, 65, 43, 56,255,255,255,255,255, +255, 1, 21, 28, 12, 2, 18, 27, 25, 3, 24, 10, 5, 13, 4, 15, + 26, 64, 7, 8, 9, 14, 32, 57, 58, 11, 22,255,255,255,255,255, +180,179,178,177,176,175,174,173,172,171,170,169,168,167,166,165, +164,163,162,161,160,159,101,158,157,156,155,154,153,152,151,106, +150,149,148,147,146,145,144,100,143,142,141,140,139,138,137,136, + 94, 80, 93,135,105,134,133, 63,132,131,130,129,128,127,126,125, +124,104, 73, 99, 79, 85,123, 54,122, 98, 92,121,120, 91,103,119, + 68,118,117, 97,116,115, 50, 90,114,113,112,111, 55, 41, 40, 86, + 89, 70, 59, 78, 71, 82, 88, 33, 77, 66, 84, 83,110, 75, 61, 96, + 30, 67,109, 74, 87,102, 34, 95, 81,108, 76, 72, 17, 6, 19,107, +) + +TurkishLangModel = ( +3,2,3,3,3,1,3,3,3,3,3,3,3,3,2,1,1,3,3,1,3,3,0,3,3,3,3,3,0,3,1,3, +3,2,1,0,0,1,1,0,0,0,1,0,0,1,1,1,1,0,0,0,0,0,0,0,2,2,0,0,1,0,0,1, +3,2,2,3,3,0,3,3,3,3,3,3,3,2,3,1,0,3,3,1,3,3,0,3,3,3,3,3,0,3,0,3, +3,1,1,0,1,0,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,2,2,0,0,0,1,0,1, +3,3,2,3,3,0,3,3,3,3,3,3,3,2,3,1,1,3,3,0,3,3,1,2,3,3,3,3,0,3,0,3, 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Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +FREQ_CAT_NUM = 4 + +UDF = 0 # undefined +OTH = 1 # other +ASC = 2 # ascii capital letter +ASS = 3 # ascii small letter +ACV = 4 # accent capital vowel +ACO = 5 # accent capital other +ASV = 6 # accent small vowel +ASO = 7 # accent small other +CLASS_NUM = 8 # total classes + +Latin1_CharToClass = ( + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 00 - 07 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 08 - 0F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 10 - 17 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 18 - 1F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 20 - 27 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 28 - 2F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 30 - 37 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 38 - 3F + OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 40 - 47 + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 48 - 4F + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 50 - 57 + ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH, # 58 - 5F + OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 60 - 67 + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 68 - 6F + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 70 - 77 + ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH, # 78 - 7F + OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH, # 80 - 87 + OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF, # 88 - 8F + UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 90 - 97 + OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO, # 98 - 9F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A0 - A7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A8 - AF + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B0 - B7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B8 - BF + ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO, # C0 - C7 + ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV, # C8 - CF + ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH, # D0 - D7 + ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO, # D8 - DF + ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO, # E0 - E7 + ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV, # E8 - EF + ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH, # F0 - F7 + ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO, # F8 - FF +) + +# 0 : illegal +# 1 : very unlikely +# 2 : normal +# 3 : very likely +Latin1ClassModel = ( +# UDF OTH ASC ASS ACV ACO ASV ASO + 0, 0, 0, 0, 0, 0, 0, 0, # UDF + 0, 3, 3, 3, 3, 3, 3, 3, # OTH + 0, 3, 3, 3, 3, 3, 3, 3, # ASC + 0, 3, 3, 3, 1, 1, 3, 3, # ASS + 0, 3, 3, 3, 1, 2, 1, 2, # ACV + 0, 3, 3, 3, 3, 3, 3, 3, # ACO + 0, 3, 1, 3, 1, 1, 1, 3, # ASV + 0, 3, 1, 3, 1, 1, 3, 3, # ASO +) + + +class Latin1Prober(CharSetProber): + def __init__(self): + super(Latin1Prober, self).__init__() + self._last_char_class = None + self._freq_counter = None + self.reset() + + def reset(self): + self._last_char_class = OTH + self._freq_counter = [0] * FREQ_CAT_NUM + CharSetProber.reset(self) + + @property + def charset_name(self): + return "ISO-8859-1" + + @property + def language(self): + return "" + + def feed(self, byte_str): + byte_str = self.filter_with_english_letters(byte_str) + for c in byte_str: + char_class = Latin1_CharToClass[c] + freq = Latin1ClassModel[(self._last_char_class * CLASS_NUM) + + char_class] + if freq == 0: + self._state = ProbingState.NOT_ME + break + self._freq_counter[freq] += 1 + self._last_char_class = char_class + + return self.state + + def get_confidence(self): + if self.state == ProbingState.NOT_ME: + return 0.01 + + total = sum(self._freq_counter) + if total < 0.01: + confidence = 0.0 + else: + confidence = ((self._freq_counter[3] - self._freq_counter[1] * 20.0) + / total) + if confidence < 0.0: + confidence = 0.0 + # lower the confidence of latin1 so that other more accurate + # detector can take priority. + confidence = confidence * 0.73 + return confidence diff --git a/venv/lib/python3.7/site-packages/chardet/mbcharsetprober.py b/venv/lib/python3.7/site-packages/chardet/mbcharsetprober.py new file mode 100644 index 0000000..6256ecf --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/mbcharsetprober.py @@ -0,0 +1,91 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState + + +class MultiByteCharSetProber(CharSetProber): + """ + MultiByteCharSetProber + """ + + def __init__(self, lang_filter=None): + super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter) + self.distribution_analyzer = None + self.coding_sm = None + self._last_char = [0, 0] + + def reset(self): + super(MultiByteCharSetProber, self).reset() + if self.coding_sm: + self.coding_sm.reset() + if self.distribution_analyzer: + self.distribution_analyzer.reset() + self._last_char = [0, 0] + + @property + def charset_name(self): + raise NotImplementedError + + @property + def language(self): + raise NotImplementedError + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.distribution_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + return self.distribution_analyzer.get_confidence() diff --git a/venv/lib/python3.7/site-packages/chardet/mbcsgroupprober.py b/venv/lib/python3.7/site-packages/chardet/mbcsgroupprober.py new file mode 100644 index 0000000..530abe7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/mbcsgroupprober.py @@ -0,0 +1,54 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .utf8prober import UTF8Prober +from .sjisprober import SJISProber +from .eucjpprober import EUCJPProber +from .gb2312prober import GB2312Prober +from .euckrprober import EUCKRProber +from .cp949prober import CP949Prober +from .big5prober import Big5Prober +from .euctwprober import EUCTWProber + + +class MBCSGroupProber(CharSetGroupProber): + def __init__(self, lang_filter=None): + super(MBCSGroupProber, self).__init__(lang_filter=lang_filter) + self.probers = [ + UTF8Prober(), + SJISProber(), + EUCJPProber(), + GB2312Prober(), + EUCKRProber(), + CP949Prober(), + Big5Prober(), + EUCTWProber() + ] + self.reset() diff --git a/venv/lib/python3.7/site-packages/chardet/mbcssm.py b/venv/lib/python3.7/site-packages/chardet/mbcssm.py new file mode 100644 index 0000000..8360d0f --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/mbcssm.py @@ -0,0 +1,572 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +# BIG5 + +BIG5_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 4,4,4,4,4,4,4,4, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 4,3,3,3,3,3,3,3, # a0 - a7 + 3,3,3,3,3,3,3,3, # a8 - af + 3,3,3,3,3,3,3,3, # b0 - b7 + 3,3,3,3,3,3,3,3, # b8 - bf + 3,3,3,3,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +BIG5_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,#08-0f + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START#10-17 +) + +BIG5_CHAR_LEN_TABLE = (0, 1, 1, 2, 0) + +BIG5_SM_MODEL = {'class_table': BIG5_CLS, + 'class_factor': 5, + 'state_table': BIG5_ST, + 'char_len_table': BIG5_CHAR_LEN_TABLE, + 'name': 'Big5'} + +# CP949 + +CP949_CLS = ( + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,0,0, # 00 - 0f + 1,1,1,1,1,1,1,1, 1,1,1,0,1,1,1,1, # 10 - 1f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 20 - 2f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 30 - 3f + 1,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4, # 40 - 4f + 4,4,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 50 - 5f + 1,5,5,5,5,5,5,5, 5,5,5,5,5,5,5,5, # 60 - 6f + 5,5,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 70 - 7f + 0,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 80 - 8f + 6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 90 - 9f + 6,7,7,7,7,7,7,7, 7,7,7,7,7,8,8,8, # a0 - af + 7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7, # b0 - bf + 7,7,7,7,7,7,9,2, 2,3,2,2,2,2,2,2, # c0 - cf + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # d0 - df + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # e0 - ef + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,0, # f0 - ff +) + +CP949_ST = ( +#cls= 0 1 2 3 4 5 6 7 8 9 # previous state = + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START, 4, 5,MachineState.ERROR, 6, # MachineState.START + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, # MachineState.ERROR + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME, # MachineState.ITS_ME + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 3 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 4 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 5 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 6 +) + +CP949_CHAR_LEN_TABLE = (0, 1, 2, 0, 1, 1, 2, 2, 0, 2) + +CP949_SM_MODEL = {'class_table': CP949_CLS, + 'class_factor': 10, + 'state_table': CP949_ST, + 'char_len_table': CP949_CHAR_LEN_TABLE, + 'name': 'CP949'} + +# EUC-JP + +EUCJP_CLS = ( + 4,4,4,4,4,4,4,4, # 00 - 07 + 4,4,4,4,4,4,5,5, # 08 - 0f + 4,4,4,4,4,4,4,4, # 10 - 17 + 4,4,4,5,4,4,4,4, # 18 - 1f + 4,4,4,4,4,4,4,4, # 20 - 27 + 4,4,4,4,4,4,4,4, # 28 - 2f + 4,4,4,4,4,4,4,4, # 30 - 37 + 4,4,4,4,4,4,4,4, # 38 - 3f + 4,4,4,4,4,4,4,4, # 40 - 47 + 4,4,4,4,4,4,4,4, # 48 - 4f + 4,4,4,4,4,4,4,4, # 50 - 57 + 4,4,4,4,4,4,4,4, # 58 - 5f + 4,4,4,4,4,4,4,4, # 60 - 67 + 4,4,4,4,4,4,4,4, # 68 - 6f + 4,4,4,4,4,4,4,4, # 70 - 77 + 4,4,4,4,4,4,4,4, # 78 - 7f + 5,5,5,5,5,5,5,5, # 80 - 87 + 5,5,5,5,5,5,1,3, # 88 - 8f + 5,5,5,5,5,5,5,5, # 90 - 97 + 5,5,5,5,5,5,5,5, # 98 - 9f + 5,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,0,5 # f8 - ff +) + +EUCJP_ST = ( + 3, 4, 3, 5,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 3,MachineState.ERROR,#18-1f + 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START#20-27 +) + +EUCJP_CHAR_LEN_TABLE = (2, 2, 2, 3, 1, 0) + +EUCJP_SM_MODEL = {'class_table': EUCJP_CLS, + 'class_factor': 6, + 'state_table': EUCJP_ST, + 'char_len_table': EUCJP_CHAR_LEN_TABLE, + 'name': 'EUC-JP'} + +# EUC-KR + +EUCKR_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,3,3,3, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,3,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 2,2,2,2,2,2,2,2, # e0 - e7 + 2,2,2,2,2,2,2,2, # e8 - ef + 2,2,2,2,2,2,2,2, # f0 - f7 + 2,2,2,2,2,2,2,0 # f8 - ff +) + +EUCKR_ST = ( + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #08-0f +) + +EUCKR_CHAR_LEN_TABLE = (0, 1, 2, 0) + +EUCKR_SM_MODEL = {'class_table': EUCKR_CLS, + 'class_factor': 4, + 'state_table': EUCKR_ST, + 'char_len_table': EUCKR_CHAR_LEN_TABLE, + 'name': 'EUC-KR'} + +# EUC-TW + +EUCTW_CLS = ( + 2,2,2,2,2,2,2,2, # 00 - 07 + 2,2,2,2,2,2,0,0, # 08 - 0f + 2,2,2,2,2,2,2,2, # 10 - 17 + 2,2,2,0,2,2,2,2, # 18 - 1f + 2,2,2,2,2,2,2,2, # 20 - 27 + 2,2,2,2,2,2,2,2, # 28 - 2f + 2,2,2,2,2,2,2,2, # 30 - 37 + 2,2,2,2,2,2,2,2, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,2, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,6,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,3,4,4,4,4,4,4, # a0 - a7 + 5,5,1,1,1,1,1,1, # a8 - af + 1,1,1,1,1,1,1,1, # b0 - b7 + 1,1,1,1,1,1,1,1, # b8 - bf + 1,1,3,1,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +EUCTW_ST = ( + MachineState.ERROR,MachineState.ERROR,MachineState.START, 3, 3, 3, 4,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.ERROR,#10-17 + MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,#20-27 + MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +EUCTW_CHAR_LEN_TABLE = (0, 0, 1, 2, 2, 2, 3) + +EUCTW_SM_MODEL = {'class_table': EUCTW_CLS, + 'class_factor': 7, + 'state_table': EUCTW_ST, + 'char_len_table': EUCTW_CHAR_LEN_TABLE, + 'name': 'x-euc-tw'} + +# GB2312 + +GB2312_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 3,3,3,3,3,3,3,3, # 30 - 37 + 3,3,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,4, # 78 - 7f + 5,6,6,6,6,6,6,6, # 80 - 87 + 6,6,6,6,6,6,6,6, # 88 - 8f + 6,6,6,6,6,6,6,6, # 90 - 97 + 6,6,6,6,6,6,6,6, # 98 - 9f + 6,6,6,6,6,6,6,6, # a0 - a7 + 6,6,6,6,6,6,6,6, # a8 - af + 6,6,6,6,6,6,6,6, # b0 - b7 + 6,6,6,6,6,6,6,6, # b8 - bf + 6,6,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 6,6,6,6,6,6,6,6, # e0 - e7 + 6,6,6,6,6,6,6,6, # e8 - ef + 6,6,6,6,6,6,6,6, # f0 - f7 + 6,6,6,6,6,6,6,0 # f8 - ff +) + +GB2312_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, 3,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,#10-17 + 4,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#20-27 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +# To be accurate, the length of class 6 can be either 2 or 4. +# But it is not necessary to discriminate between the two since +# it is used for frequency analysis only, and we are validating +# each code range there as well. So it is safe to set it to be +# 2 here. +GB2312_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 1, 2) + +GB2312_SM_MODEL = {'class_table': GB2312_CLS, + 'class_factor': 7, + 'state_table': GB2312_ST, + 'char_len_table': GB2312_CHAR_LEN_TABLE, + 'name': 'GB2312'} + +# Shift_JIS + +SJIS_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 3,3,3,3,3,2,2,3, # 80 - 87 + 3,3,3,3,3,3,3,3, # 88 - 8f + 3,3,3,3,3,3,3,3, # 90 - 97 + 3,3,3,3,3,3,3,3, # 98 - 9f + #0xa0 is illegal in sjis encoding, but some pages does + #contain such byte. We need to be more error forgiven. + 2,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,4,4,4, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,0,0,0) # f8 - ff + + +SJIS_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START #10-17 +) + +SJIS_CHAR_LEN_TABLE = (0, 1, 1, 2, 0, 0) + +SJIS_SM_MODEL = {'class_table': SJIS_CLS, + 'class_factor': 6, + 'state_table': SJIS_ST, + 'char_len_table': SJIS_CHAR_LEN_TABLE, + 'name': 'Shift_JIS'} + +# UCS2-BE + +UCS2BE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2BE_ST = ( + 5, 7, 7,MachineState.ERROR, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,#10-17 + 6, 6, 6, 6, 6,MachineState.ITS_ME, 6, 6,#18-1f + 6, 6, 6, 6, 5, 7, 7,MachineState.ERROR,#20-27 + 5, 8, 6, 6,MachineState.ERROR, 6, 6, 6,#28-2f + 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2BE_CHAR_LEN_TABLE = (2, 2, 2, 0, 2, 2) + +UCS2BE_SM_MODEL = {'class_table': UCS2BE_CLS, + 'class_factor': 6, + 'state_table': UCS2BE_ST, + 'char_len_table': UCS2BE_CHAR_LEN_TABLE, + 'name': 'UTF-16BE'} + +# UCS2-LE + +UCS2LE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2LE_ST = ( + 6, 6, 7, 6, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 5, 5, 5,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#10-17 + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR, 6, 6,#18-1f + 7, 6, 8, 8, 5, 5, 5,MachineState.ERROR,#20-27 + 5, 5, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5,#28-2f + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2LE_CHAR_LEN_TABLE = (2, 2, 2, 2, 2, 2) + +UCS2LE_SM_MODEL = {'class_table': UCS2LE_CLS, + 'class_factor': 6, + 'state_table': UCS2LE_ST, + 'char_len_table': UCS2LE_CHAR_LEN_TABLE, + 'name': 'UTF-16LE'} + +# UTF-8 + +UTF8_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as a legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 2,2,2,2,3,3,3,3, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 5,5,5,5,5,5,5,5, # a0 - a7 + 5,5,5,5,5,5,5,5, # a8 - af + 5,5,5,5,5,5,5,5, # b0 - b7 + 5,5,5,5,5,5,5,5, # b8 - bf + 0,0,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 7,8,8,8,8,8,8,8, # e0 - e7 + 8,8,8,8,8,9,8,8, # e8 - ef + 10,11,11,11,11,11,11,11, # f0 - f7 + 12,13,13,13,14,15,0,0 # f8 - ff +) + +UTF8_ST = ( + MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12, 10,#00-07 + 9, 11, 8, 7, 6, 5, 4, 3,#08-0f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#20-27 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#28-2f + MachineState.ERROR,MachineState.ERROR, 5, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#30-37 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#38-3f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#40-47 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#48-4f + MachineState.ERROR,MachineState.ERROR, 7, 7, 7, 7,MachineState.ERROR,MachineState.ERROR,#50-57 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#58-5f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 7, 7,MachineState.ERROR,MachineState.ERROR,#60-67 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#68-6f + MachineState.ERROR,MachineState.ERROR, 9, 9, 9, 9,MachineState.ERROR,MachineState.ERROR,#70-77 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#78-7f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 9,MachineState.ERROR,MachineState.ERROR,#80-87 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#88-8f + MachineState.ERROR,MachineState.ERROR, 12, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,#90-97 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#98-9f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12,MachineState.ERROR,MachineState.ERROR,#a0-a7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#a8-af + MachineState.ERROR,MachineState.ERROR, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b0-b7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b8-bf + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,#c0-c7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR #c8-cf +) + +UTF8_CHAR_LEN_TABLE = (0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6) + +UTF8_SM_MODEL = {'class_table': UTF8_CLS, + 'class_factor': 16, + 'state_table': UTF8_ST, + 'char_len_table': UTF8_CHAR_LEN_TABLE, + 'name': 'UTF-8'} diff --git a/venv/lib/python3.7/site-packages/chardet/sbcharsetprober.py b/venv/lib/python3.7/site-packages/chardet/sbcharsetprober.py new file mode 100644 index 0000000..0adb51d --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/sbcharsetprober.py @@ -0,0 +1,132 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import CharacterCategory, ProbingState, SequenceLikelihood + + +class SingleByteCharSetProber(CharSetProber): + SAMPLE_SIZE = 64 + SB_ENOUGH_REL_THRESHOLD = 1024 # 0.25 * SAMPLE_SIZE^2 + POSITIVE_SHORTCUT_THRESHOLD = 0.95 + NEGATIVE_SHORTCUT_THRESHOLD = 0.05 + + def __init__(self, model, reversed=False, name_prober=None): + super(SingleByteCharSetProber, self).__init__() + self._model = model + # TRUE if we need to reverse every pair in the model lookup + self._reversed = reversed + # Optional auxiliary prober for name decision + self._name_prober = name_prober + self._last_order = None + self._seq_counters = None + self._total_seqs = None + self._total_char = None + self._freq_char = None + self.reset() + + def reset(self): + super(SingleByteCharSetProber, self).reset() + # char order of last character + self._last_order = 255 + self._seq_counters = [0] * SequenceLikelihood.get_num_categories() + self._total_seqs = 0 + self._total_char = 0 + # characters that fall in our sampling range + self._freq_char = 0 + + @property + def charset_name(self): + if self._name_prober: + return self._name_prober.charset_name + else: + return self._model['charset_name'] + + @property + def language(self): + if self._name_prober: + return self._name_prober.language + else: + return self._model.get('language') + + def feed(self, byte_str): + if not self._model['keep_english_letter']: + byte_str = self.filter_international_words(byte_str) + if not byte_str: + return self.state + char_to_order_map = self._model['char_to_order_map'] + for i, c in enumerate(byte_str): + # XXX: Order is in range 1-64, so one would think we want 0-63 here, + # but that leads to 27 more test failures than before. + order = char_to_order_map[c] + # XXX: This was SYMBOL_CAT_ORDER before, with a value of 250, but + # CharacterCategory.SYMBOL is actually 253, so we use CONTROL + # to make it closer to the original intent. The only difference + # is whether or not we count digits and control characters for + # _total_char purposes. + if order < CharacterCategory.CONTROL: + self._total_char += 1 + if order < self.SAMPLE_SIZE: + self._freq_char += 1 + if self._last_order < self.SAMPLE_SIZE: + self._total_seqs += 1 + if not self._reversed: + i = (self._last_order * self.SAMPLE_SIZE) + order + model = self._model['precedence_matrix'][i] + else: # reverse the order of the letters in the lookup + i = (order * self.SAMPLE_SIZE) + self._last_order + model = self._model['precedence_matrix'][i] + self._seq_counters[model] += 1 + self._last_order = order + + charset_name = self._model['charset_name'] + if self.state == ProbingState.DETECTING: + if self._total_seqs > self.SB_ENOUGH_REL_THRESHOLD: + confidence = self.get_confidence() + if confidence > self.POSITIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, we have a winner', + charset_name, confidence) + self._state = ProbingState.FOUND_IT + elif confidence < self.NEGATIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, below negative ' + 'shortcut threshhold %s', charset_name, + confidence, + self.NEGATIVE_SHORTCUT_THRESHOLD) + self._state = ProbingState.NOT_ME + + return self.state + + def get_confidence(self): + r = 0.01 + if self._total_seqs > 0: + r = ((1.0 * self._seq_counters[SequenceLikelihood.POSITIVE]) / + self._total_seqs / self._model['typical_positive_ratio']) + r = r * self._freq_char / self._total_char + if r >= 1.0: + r = 0.99 + return r diff --git a/venv/lib/python3.7/site-packages/chardet/sbcsgroupprober.py b/venv/lib/python3.7/site-packages/chardet/sbcsgroupprober.py new file mode 100644 index 0000000..98e95dc --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/sbcsgroupprober.py @@ -0,0 +1,73 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .sbcharsetprober import SingleByteCharSetProber +from .langcyrillicmodel import (Win1251CyrillicModel, Koi8rModel, + Latin5CyrillicModel, MacCyrillicModel, + Ibm866Model, Ibm855Model) +from .langgreekmodel import Latin7GreekModel, Win1253GreekModel +from .langbulgarianmodel import Latin5BulgarianModel, Win1251BulgarianModel +# from .langhungarianmodel import Latin2HungarianModel, Win1250HungarianModel +from .langthaimodel import TIS620ThaiModel +from .langhebrewmodel import Win1255HebrewModel +from .hebrewprober import HebrewProber +from .langturkishmodel import Latin5TurkishModel + + +class SBCSGroupProber(CharSetGroupProber): + def __init__(self): + super(SBCSGroupProber, self).__init__() + self.probers = [ + SingleByteCharSetProber(Win1251CyrillicModel), + SingleByteCharSetProber(Koi8rModel), + SingleByteCharSetProber(Latin5CyrillicModel), + SingleByteCharSetProber(MacCyrillicModel), + SingleByteCharSetProber(Ibm866Model), + SingleByteCharSetProber(Ibm855Model), + SingleByteCharSetProber(Latin7GreekModel), + SingleByteCharSetProber(Win1253GreekModel), + SingleByteCharSetProber(Latin5BulgarianModel), + SingleByteCharSetProber(Win1251BulgarianModel), + # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250) + # after we retrain model. + # SingleByteCharSetProber(Latin2HungarianModel), + # SingleByteCharSetProber(Win1250HungarianModel), + SingleByteCharSetProber(TIS620ThaiModel), + SingleByteCharSetProber(Latin5TurkishModel), + ] + hebrew_prober = HebrewProber() + logical_hebrew_prober = SingleByteCharSetProber(Win1255HebrewModel, + False, hebrew_prober) + visual_hebrew_prober = SingleByteCharSetProber(Win1255HebrewModel, True, + hebrew_prober) + hebrew_prober.set_model_probers(logical_hebrew_prober, visual_hebrew_prober) + self.probers.extend([hebrew_prober, logical_hebrew_prober, + visual_hebrew_prober]) + + self.reset() diff --git a/venv/lib/python3.7/site-packages/chardet/sjisprober.py b/venv/lib/python3.7/site-packages/chardet/sjisprober.py new file mode 100644 index 0000000..9e29623 --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/sjisprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import SJISDistributionAnalysis +from .jpcntx import SJISContextAnalysis +from .mbcssm import SJIS_SM_MODEL +from .enums import ProbingState, MachineState + + +class SJISProber(MultiByteCharSetProber): + def __init__(self): + super(SJISProber, self).__init__() + self.coding_sm = CodingStateMachine(SJIS_SM_MODEL) + self.distribution_analyzer = SJISDistributionAnalysis() + self.context_analyzer = SJISContextAnalysis() + self.reset() + + def reset(self): + super(SJISProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return self.context_analyzer.charset_name + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char[2 - char_len:], + char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i + 1 - char_len:i + 3 + - char_len], char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/venv/lib/python3.7/site-packages/chardet/universaldetector.py b/venv/lib/python3.7/site-packages/chardet/universaldetector.py new file mode 100644 index 0000000..7b4e92d --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/universaldetector.py @@ -0,0 +1,286 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### +""" +Module containing the UniversalDetector detector class, which is the primary +class a user of ``chardet`` should use. + +:author: Mark Pilgrim (initial port to Python) +:author: Shy Shalom (original C code) +:author: Dan Blanchard (major refactoring for 3.0) +:author: Ian Cordasco +""" + + +import codecs +import logging +import re + +from .charsetgroupprober import CharSetGroupProber +from .enums import InputState, LanguageFilter, ProbingState +from .escprober import EscCharSetProber +from .latin1prober import Latin1Prober +from .mbcsgroupprober import MBCSGroupProber +from .sbcsgroupprober import SBCSGroupProber + + +class UniversalDetector(object): + """ + The ``UniversalDetector`` class underlies the ``chardet.detect`` function + and coordinates all of the different charset probers. + + To get a ``dict`` containing an encoding and its confidence, you can simply + run: + + .. code:: + + u = UniversalDetector() + u.feed(some_bytes) + u.close() + detected = u.result + + """ + + MINIMUM_THRESHOLD = 0.20 + HIGH_BYTE_DETECTOR = re.compile(b'[\x80-\xFF]') + ESC_DETECTOR = re.compile(b'(\033|~{)') + WIN_BYTE_DETECTOR = re.compile(b'[\x80-\x9F]') + ISO_WIN_MAP = {'iso-8859-1': 'Windows-1252', + 'iso-8859-2': 'Windows-1250', + 'iso-8859-5': 'Windows-1251', + 'iso-8859-6': 'Windows-1256', + 'iso-8859-7': 'Windows-1253', + 'iso-8859-8': 'Windows-1255', + 'iso-8859-9': 'Windows-1254', + 'iso-8859-13': 'Windows-1257'} + + def __init__(self, lang_filter=LanguageFilter.ALL): + self._esc_charset_prober = None + self._charset_probers = [] + self.result = None + self.done = None + self._got_data = None + self._input_state = None + self._last_char = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + self._has_win_bytes = None + self.reset() + + def reset(self): + """ + Reset the UniversalDetector and all of its probers back to their + initial states. This is called by ``__init__``, so you only need to + call this directly in between analyses of different documents. + """ + self.result = {'encoding': None, 'confidence': 0.0, 'language': None} + self.done = False + self._got_data = False + self._has_win_bytes = False + self._input_state = InputState.PURE_ASCII + self._last_char = b'' + if self._esc_charset_prober: + self._esc_charset_prober.reset() + for prober in self._charset_probers: + prober.reset() + + def feed(self, byte_str): + """ + Takes a chunk of a document and feeds it through all of the relevant + charset probers. + + After calling ``feed``, you can check the value of the ``done`` + attribute to see if you need to continue feeding the + ``UniversalDetector`` more data, or if it has made a prediction + (in the ``result`` attribute). + + .. note:: + You should always call ``close`` when you're done feeding in your + document if ``done`` is not already ``True``. + """ + if self.done: + return + + if not len(byte_str): + return + + if not isinstance(byte_str, bytearray): + byte_str = bytearray(byte_str) + + # First check for known BOMs, since these are guaranteed to be correct + if not self._got_data: + # If the data starts with BOM, we know it is UTF + if byte_str.startswith(codecs.BOM_UTF8): + # EF BB BF UTF-8 with BOM + self.result = {'encoding': "UTF-8-SIG", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_UTF32_LE, + codecs.BOM_UTF32_BE)): + # FF FE 00 00 UTF-32, little-endian BOM + # 00 00 FE FF UTF-32, big-endian BOM + self.result = {'encoding': "UTF-32", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\xFE\xFF\x00\x00'): + # FE FF 00 00 UCS-4, unusual octet order BOM (3412) + self.result = {'encoding': "X-ISO-10646-UCS-4-3412", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\x00\x00\xFF\xFE'): + # 00 00 FF FE UCS-4, unusual octet order BOM (2143) + self.result = {'encoding': "X-ISO-10646-UCS-4-2143", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)): + # FF FE UTF-16, little endian BOM + # FE FF UTF-16, big endian BOM + self.result = {'encoding': "UTF-16", + 'confidence': 1.0, + 'language': ''} + + self._got_data = True + if self.result['encoding'] is not None: + self.done = True + return + + # If none of those matched and we've only see ASCII so far, check + # for high bytes and escape sequences + if self._input_state == InputState.PURE_ASCII: + if self.HIGH_BYTE_DETECTOR.search(byte_str): + self._input_state = InputState.HIGH_BYTE + elif self._input_state == InputState.PURE_ASCII and \ + self.ESC_DETECTOR.search(self._last_char + byte_str): + self._input_state = InputState.ESC_ASCII + + self._last_char = byte_str[-1:] + + # If we've seen escape sequences, use the EscCharSetProber, which + # uses a simple state machine to check for known escape sequences in + # HZ and ISO-2022 encodings, since those are the only encodings that + # use such sequences. + if self._input_state == InputState.ESC_ASCII: + if not self._esc_charset_prober: + self._esc_charset_prober = EscCharSetProber(self.lang_filter) + if self._esc_charset_prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': + self._esc_charset_prober.charset_name, + 'confidence': + self._esc_charset_prober.get_confidence(), + 'language': + self._esc_charset_prober.language} + self.done = True + # If we've seen high bytes (i.e., those with values greater than 127), + # we need to do more complicated checks using all our multi-byte and + # single-byte probers that are left. The single-byte probers + # use character bigram distributions to determine the encoding, whereas + # the multi-byte probers use a combination of character unigram and + # bigram distributions. + elif self._input_state == InputState.HIGH_BYTE: + if not self._charset_probers: + self._charset_probers = [MBCSGroupProber(self.lang_filter)] + # If we're checking non-CJK encodings, use single-byte prober + if self.lang_filter & LanguageFilter.NON_CJK: + self._charset_probers.append(SBCSGroupProber()) + self._charset_probers.append(Latin1Prober()) + for prober in self._charset_probers: + if prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': prober.charset_name, + 'confidence': prober.get_confidence(), + 'language': prober.language} + self.done = True + break + if self.WIN_BYTE_DETECTOR.search(byte_str): + self._has_win_bytes = True + + def close(self): + """ + Stop analyzing the current document and come up with a final + prediction. + + :returns: The ``result`` attribute, a ``dict`` with the keys + `encoding`, `confidence`, and `language`. + """ + # Don't bother with checks if we're already done + if self.done: + return self.result + self.done = True + + if not self._got_data: + self.logger.debug('no data received!') + + # Default to ASCII if it is all we've seen so far + elif self._input_state == InputState.PURE_ASCII: + self.result = {'encoding': 'ascii', + 'confidence': 1.0, + 'language': ''} + + # If we have seen non-ASCII, return the best that met MINIMUM_THRESHOLD + elif self._input_state == InputState.HIGH_BYTE: + prober_confidence = None + max_prober_confidence = 0.0 + max_prober = None + for prober in self._charset_probers: + if not prober: + continue + prober_confidence = prober.get_confidence() + if prober_confidence > max_prober_confidence: + max_prober_confidence = prober_confidence + max_prober = prober + if max_prober and (max_prober_confidence > self.MINIMUM_THRESHOLD): + charset_name = max_prober.charset_name + lower_charset_name = max_prober.charset_name.lower() + confidence = max_prober.get_confidence() + # Use Windows encoding name instead of ISO-8859 if we saw any + # extra Windows-specific bytes + if lower_charset_name.startswith('iso-8859'): + if self._has_win_bytes: + charset_name = self.ISO_WIN_MAP.get(lower_charset_name, + charset_name) + self.result = {'encoding': charset_name, + 'confidence': confidence, + 'language': max_prober.language} + + # Log all prober confidences if none met MINIMUM_THRESHOLD + if self.logger.getEffectiveLevel() == logging.DEBUG: + if self.result['encoding'] is None: + self.logger.debug('no probers hit minimum threshold') + for group_prober in self._charset_probers: + if not group_prober: + continue + if isinstance(group_prober, CharSetGroupProber): + for prober in group_prober.probers: + self.logger.debug('%s %s confidence = %s', + prober.charset_name, + prober.language, + prober.get_confidence()) + else: + self.logger.debug('%s %s confidence = %s', + prober.charset_name, + prober.language, + prober.get_confidence()) + return self.result diff --git a/venv/lib/python3.7/site-packages/chardet/utf8prober.py b/venv/lib/python3.7/site-packages/chardet/utf8prober.py new file mode 100644 index 0000000..6c3196c --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/utf8prober.py @@ -0,0 +1,82 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState +from .codingstatemachine import CodingStateMachine +from .mbcssm import UTF8_SM_MODEL + + + +class UTF8Prober(CharSetProber): + ONE_CHAR_PROB = 0.5 + + def __init__(self): + super(UTF8Prober, self).__init__() + self.coding_sm = CodingStateMachine(UTF8_SM_MODEL) + self._num_mb_chars = None + self.reset() + + def reset(self): + super(UTF8Prober, self).reset() + self.coding_sm.reset() + self._num_mb_chars = 0 + + @property + def charset_name(self): + return "utf-8" + + @property + def language(self): + return "" + + def feed(self, byte_str): + for c in byte_str: + coding_state = self.coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + if self.coding_sm.get_current_charlen() >= 2: + self._num_mb_chars += 1 + + if self.state == ProbingState.DETECTING: + if self.get_confidence() > self.SHORTCUT_THRESHOLD: + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + unlike = 0.99 + if self._num_mb_chars < 6: + unlike *= self.ONE_CHAR_PROB ** self._num_mb_chars + return 1.0 - unlike + else: + return unlike diff --git a/venv/lib/python3.7/site-packages/chardet/version.py b/venv/lib/python3.7/site-packages/chardet/version.py new file mode 100644 index 0000000..bb2a34a --- /dev/null +++ b/venv/lib/python3.7/site-packages/chardet/version.py @@ -0,0 +1,9 @@ +""" +This module exists only to simplify retrieving the version number of chardet +from within setup.py and from chardet subpackages. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + +__version__ = "3.0.4" +VERSION = __version__.split('.') diff --git a/venv/lib/python3.7/site-packages/easy-install.pth b/venv/lib/python3.7/site-packages/easy-install.pth new file mode 100644 index 0000000..b74fe2e --- /dev/null +++ b/venv/lib/python3.7/site-packages/easy-install.pth @@ -0,0 +1,2 @@ +./setuptools-40.8.0-py3.7.egg +./pip-19.0.3-py3.7.egg diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/LICENSE.rst b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/LICENSE.rst new file mode 100644 index 0000000..3ee64fb --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/LICENSE.rst @@ -0,0 +1,80 @@ +License +------- + +Copyright (c) 2013-2018, Kim Davies. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +#. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +#. Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided with + the distribution. + +#. Neither the name of the copyright holder nor the names of the + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +#. THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS "AS IS" AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + DAMAGE. + +Portions of the codec implementation and unit tests are derived from the +Python standard library, which carries the `Python Software Foundation +License `_: + + Copyright (c) 2001-2014 Python Software Foundation; All Rights Reserved + +Portions of the unit tests are derived from the Unicode standard, which +is subject to the Unicode, Inc. License Agreement: + + Copyright (c) 1991-2014 Unicode, Inc. All rights reserved. + Distributed under the Terms of Use in + . + + Permission is hereby granted, free of charge, to any person obtaining + a copy of the Unicode data files and any associated documentation + (the "Data Files") or Unicode software and any associated documentation + (the "Software") to deal in the Data Files or Software + without restriction, including without limitation the rights to use, + copy, modify, merge, publish, distribute, and/or sell copies of + the Data Files or Software, and to permit persons to whom the Data Files + or Software are furnished to do so, provided that + + (a) this copyright and permission notice appear with all copies + of the Data Files or Software, + + (b) this copyright and permission notice appear in associated + documentation, and + + (c) there is clear notice in each modified Data File or in the Software + as well as in the documentation associated with the Data File(s) or + Software that the data or software has been modified. + + THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF + ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE + WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS + NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL + DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + PERFORMANCE OF THE DATA FILES OR SOFTWARE. + + Except as contained in this notice, the name of a copyright holder + shall not be used in advertising or otherwise to promote the sale, + use or other dealings in these Data Files or Software without prior + written authorization of the copyright holder. diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/METADATA b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/METADATA new file mode 100644 index 0000000..30fde02 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/METADATA @@ -0,0 +1,239 @@ +Metadata-Version: 2.1 +Name: idna +Version: 2.8 +Summary: Internationalized Domain Names in Applications (IDNA) +Home-page: https://github.com/kjd/idna +Author: Kim Davies +Author-email: kim@cynosure.com.au +License: BSD-like +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: System Administrators +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Topic :: Internet :: Name Service (DNS) +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Utilities +Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.* + +Internationalized Domain Names in Applications (IDNA) +===================================================== + +Support for the Internationalised Domain Names in Applications +(IDNA) protocol as specified in `RFC 5891 `_. +This is the latest version of the protocol and is sometimes referred to as +“IDNA 2008”. + +This library also provides support for Unicode Technical Standard 46, +`Unicode IDNA Compatibility Processing `_. + +This acts as a suitable replacement for the “encodings.idna” module that +comes with the Python standard library, but only supports the +old, deprecated IDNA specification (`RFC 3490 `_). + +Basic functions are simply executed: + +.. code-block:: pycon + + # Python 3 + >>> import idna + >>> idna.encode('ドメイン.テスト') + b'xn--eckwd4c7c.xn--zckzah' + >>> print(idna.decode('xn--eckwd4c7c.xn--zckzah')) + ドメイン.テスト + + # Python 2 + >>> import idna + >>> idna.encode(u'ドメイン.テスト') + 'xn--eckwd4c7c.xn--zckzah' + >>> print idna.decode('xn--eckwd4c7c.xn--zckzah') + ドメイン.テスト + +Packages +-------- + +The latest tagged release version is published in the PyPI repository: + +.. image:: https://badge.fury.io/py/idna.svg + :target: http://badge.fury.io/py/idna + + +Installation +------------ + +To install this library, you can use pip: + +.. code-block:: bash + + $ pip install idna + +Alternatively, you can install the package using the bundled setup script: + +.. code-block:: bash + + $ python setup.py install + +This library works with Python 2.7 and Python 3.4 or later. + + +Usage +----- + +For typical usage, the ``encode`` and ``decode`` functions will take a domain +name argument and perform a conversion to A-labels or U-labels respectively. + +.. code-block:: pycon + + # Python 3 + >>> import idna + >>> idna.encode('ドメイン.テスト') + b'xn--eckwd4c7c.xn--zckzah' + >>> print(idna.decode('xn--eckwd4c7c.xn--zckzah')) + ドメイン.テスト + +You may use the codec encoding and decoding methods using the +``idna.codec`` module: + +.. code-block:: pycon + + # Python 2 + >>> import idna.codec + >>> print u'домена.испытание'.encode('idna') + xn--80ahd1agd.xn--80akhbyknj4f + >>> print 'xn--80ahd1agd.xn--80akhbyknj4f'.decode('idna') + домена.испытание + +Conversions can be applied at a per-label basis using the ``ulabel`` or ``alabel`` +functions if necessary: + +.. code-block:: pycon + + # Python 2 + >>> idna.alabel(u'测试') + 'xn--0zwm56d' + +Compatibility Mapping (UTS #46) ++++++++++++++++++++++++++++++++ + +As described in `RFC 5895 `_, the IDNA +specification no longer normalizes input from different potential ways a user +may input a domain name. This functionality, known as a “mapping”, is now +considered by the specification to be a local user-interface issue distinct +from IDNA conversion functionality. + +This library provides one such mapping, that was developed by the Unicode +Consortium. Known as `Unicode IDNA Compatibility Processing `_, +it provides for both a regular mapping for typical applications, as well as +a transitional mapping to help migrate from older IDNA 2003 applications. + +For example, “Königsgäßchen” is not a permissible label as *LATIN CAPITAL +LETTER K* is not allowed (nor are capital letters in general). UTS 46 will +convert this into lower case prior to applying the IDNA conversion. + +.. code-block:: pycon + + # Python 3 + >>> import idna + >>> idna.encode(u'Königsgäßchen') + ... + idna.core.InvalidCodepoint: Codepoint U+004B at position 1 of 'Königsgäßchen' not allowed + >>> idna.encode('Königsgäßchen', uts46=True) + b'xn--knigsgchen-b4a3dun' + >>> print(idna.decode('xn--knigsgchen-b4a3dun')) + königsgäßchen + +Transitional processing provides conversions to help transition from the older +2003 standard to the current standard. For example, in the original IDNA +specification, the *LATIN SMALL LETTER SHARP S* (ß) was converted into two +*LATIN SMALL LETTER S* (ss), whereas in the current IDNA specification this +conversion is not performed. + +.. code-block:: pycon + + # Python 2 + >>> idna.encode(u'Königsgäßchen', uts46=True, transitional=True) + 'xn--knigsgsschen-lcb0w' + +Implementors should use transitional processing with caution, only in rare +cases where conversion from legacy labels to current labels must be performed +(i.e. IDNA implementations that pre-date 2008). For typical applications +that just need to convert labels, transitional processing is unlikely to be +beneficial and could produce unexpected incompatible results. + +``encodings.idna`` Compatibility +++++++++++++++++++++++++++++++++ + +Function calls from the Python built-in ``encodings.idna`` module are +mapped to their IDNA 2008 equivalents using the ``idna.compat`` module. +Simply substitute the ``import`` clause in your code to refer to the +new module name. + +Exceptions +---------- + +All errors raised during the conversion following the specification should +raise an exception derived from the ``idna.IDNAError`` base class. + +More specific exceptions that may be generated as ``idna.IDNABidiError`` +when the error reflects an illegal combination of left-to-right and right-to-left +characters in a label; ``idna.InvalidCodepoint`` when a specific codepoint is +an illegal character in an IDN label (i.e. INVALID); and ``idna.InvalidCodepointContext`` +when the codepoint is illegal based on its positional context (i.e. it is CONTEXTO +or CONTEXTJ but the contextual requirements are not satisfied.) + +Building and Diagnostics +------------------------ + +The IDNA and UTS 46 functionality relies upon pre-calculated lookup tables for +performance. These tables are derived from computing against eligibility criteria +in the respective standards. These tables are computed using the command-line +script ``tools/idna-data``. + +This tool will fetch relevant tables from the Unicode Consortium and perform the +required calculations to identify eligibility. It has three main modes: + +* ``idna-data make-libdata``. Generates ``idnadata.py`` and ``uts46data.py``, + the pre-calculated lookup tables using for IDNA and UTS 46 conversions. Implementors + who wish to track this library against a different Unicode version may use this tool + to manually generate a different version of the ``idnadata.py`` and ``uts46data.py`` + files. + +* ``idna-data make-table``. Generate a table of the IDNA disposition + (e.g. PVALID, CONTEXTJ, CONTEXTO) in the format found in Appendix B.1 of RFC + 5892 and the pre-computed tables published by `IANA `_. + +* ``idna-data U+0061``. Prints debugging output on the various properties + associated with an individual Unicode codepoint (in this case, U+0061), that are + used to assess the IDNA and UTS 46 status of a codepoint. This is helpful in debugging + or analysis. + +The tool accepts a number of arguments, described using ``idna-data -h``. Most notably, +the ``--version`` argument allows the specification of the version of Unicode to use +in computing the table data. For example, ``idna-data --version 9.0.0 make-libdata`` +will generate library data against Unicode 9.0.0. + +Note that this script requires Python 3, but all generated library data will work +in Python 2.7. + + +Testing +------- + +The library has a test suite based on each rule of the IDNA specification, as +well as tests that are provided as part of the Unicode Technical Standard 46, +`Unicode IDNA Compatibility Processing `_. + +The tests are run automatically on each commit at Travis CI: + +.. image:: https://travis-ci.org/kjd/idna.svg?branch=master + :target: https://travis-ci.org/kjd/idna + + diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/RECORD b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/RECORD new file mode 100644 index 0000000..8d4bc61 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/RECORD @@ -0,0 +1,22 @@ +idna-2.8.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +idna-2.8.dist-info/LICENSE.rst,sha256=DUvHq9SNz7FOJCVO5AQGZzf_AWcUTiIpFKIRO4eUaD4,3947 +idna-2.8.dist-info/METADATA,sha256=X4QsM_BLMPhl4gC8SEnXjvl5-gj7hvwAl7UCyR418so,8862 +idna-2.8.dist-info/RECORD,, +idna-2.8.dist-info/WHEEL,sha256=CihQvCnsGZQBGAHLEUMf0IdA4fRduS_NBUTMgCTtvPM,110 +idna-2.8.dist-info/top_level.txt,sha256=jSag9sEDqvSPftxOQy-ABfGV_RSy7oFh4zZJpODV8k0,5 +idna/__init__.py,sha256=9Nt7xpyet3DmOrPUGooDdAwmHZZu1qUAy2EaJ93kGiQ,58 +idna/__pycache__/__init__.cpython-37.pyc,, +idna/__pycache__/codec.cpython-37.pyc,, +idna/__pycache__/compat.cpython-37.pyc,, +idna/__pycache__/core.cpython-37.pyc,, +idna/__pycache__/idnadata.cpython-37.pyc,, +idna/__pycache__/intranges.cpython-37.pyc,, +idna/__pycache__/package_data.cpython-37.pyc,, +idna/__pycache__/uts46data.cpython-37.pyc,, +idna/codec.py,sha256=lvYb7yu7PhAqFaAIAdWcwgaWI2UmgseUua-1c0AsG0A,3299 +idna/compat.py,sha256=R-h29D-6mrnJzbXxymrWUW7iZUvy-26TQwZ0ij57i4U,232 +idna/core.py,sha256=JDCZZ_PLESqIgEbU8mPyoEufWwoOiIqygA17-QZIe3s,11733 +idna/idnadata.py,sha256=HXaPFw6_YAJ0qppACPu0YLAULtRs3QovRM_CCZHGdY0,40899 +idna/intranges.py,sha256=TY1lpxZIQWEP6tNqjZkFA5hgoMWOj1OBmnUG8ihT87E,1749 +idna/package_data.py,sha256=kIzeKKXEouXLR4srqwf9Q3zv-NffKSOz5aSDOJARPB0,21 +idna/uts46data.py,sha256=oLyNZ1pBaiBlj9zFzLFRd_P7J8MkRcgDisjExZR_4MY,198292 diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/WHEEL b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/WHEEL new file mode 100644 index 0000000..dea0e20 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.32.2) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/venv/lib/python3.7/site-packages/idna-2.8.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/top_level.txt new file mode 100644 index 0000000..c40472e --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna-2.8.dist-info/top_level.txt @@ -0,0 +1 @@ +idna diff --git a/venv/lib/python3.7/site-packages/idna/__init__.py b/venv/lib/python3.7/site-packages/idna/__init__.py new file mode 100644 index 0000000..847bf93 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna/__init__.py @@ -0,0 +1,2 @@ +from .package_data import __version__ +from .core import * diff --git a/venv/lib/python3.7/site-packages/idna/codec.py b/venv/lib/python3.7/site-packages/idna/codec.py new file mode 100644 index 0000000..98c65ea --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna/codec.py @@ -0,0 +1,118 @@ +from .core import encode, decode, alabel, ulabel, IDNAError +import codecs +import re + +_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]') + +class Codec(codecs.Codec): + + def encode(self, data, errors='strict'): + + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return "", 0 + + return encode(data), len(data) + + def decode(self, data, errors='strict'): + + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return u"", 0 + + return decode(data), len(data) + +class IncrementalEncoder(codecs.BufferedIncrementalEncoder): + def _buffer_encode(self, data, errors, final): + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return ("", 0) + + labels = _unicode_dots_re.split(data) + trailing_dot = u'' + if labels: + if not labels[-1]: + trailing_dot = '.' + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = '.' + + result = [] + size = 0 + for label in labels: + result.append(alabel(label)) + if size: + size += 1 + size += len(label) + + # Join with U+002E + result = ".".join(result) + trailing_dot + size += len(trailing_dot) + return (result, size) + +class IncrementalDecoder(codecs.BufferedIncrementalDecoder): + def _buffer_decode(self, data, errors, final): + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return (u"", 0) + + # IDNA allows decoding to operate on Unicode strings, too. + if isinstance(data, unicode): + labels = _unicode_dots_re.split(data) + else: + # Must be ASCII string + data = str(data) + unicode(data, "ascii") + labels = data.split(".") + + trailing_dot = u'' + if labels: + if not labels[-1]: + trailing_dot = u'.' + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = u'.' + + result = [] + size = 0 + for label in labels: + result.append(ulabel(label)) + if size: + size += 1 + size += len(label) + + result = u".".join(result) + trailing_dot + size += len(trailing_dot) + return (result, size) + + +class StreamWriter(Codec, codecs.StreamWriter): + pass + +class StreamReader(Codec, codecs.StreamReader): + pass + +def getregentry(): + return codecs.CodecInfo( + name='idna', + encode=Codec().encode, + decode=Codec().decode, + incrementalencoder=IncrementalEncoder, + incrementaldecoder=IncrementalDecoder, + streamwriter=StreamWriter, + streamreader=StreamReader, + ) diff --git a/venv/lib/python3.7/site-packages/idna/compat.py b/venv/lib/python3.7/site-packages/idna/compat.py new file mode 100644 index 0000000..4d47f33 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna/compat.py @@ -0,0 +1,12 @@ +from .core import * +from .codec import * + +def ToASCII(label): + return encode(label) + +def ToUnicode(label): + return decode(label) + +def nameprep(s): + raise NotImplementedError("IDNA 2008 does not utilise nameprep protocol") + diff --git a/venv/lib/python3.7/site-packages/idna/core.py b/venv/lib/python3.7/site-packages/idna/core.py new file mode 100644 index 0000000..104624a --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna/core.py @@ -0,0 +1,396 @@ +from . import idnadata +import bisect +import unicodedata +import re +import sys +from .intranges import intranges_contain + +_virama_combining_class = 9 +_alabel_prefix = b'xn--' +_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]') + +if sys.version_info[0] == 3: + unicode = str + unichr = chr + +class IDNAError(UnicodeError): + """ Base exception for all IDNA-encoding related problems """ + pass + + +class IDNABidiError(IDNAError): + """ Exception when bidirectional requirements are not satisfied """ + pass + + +class InvalidCodepoint(IDNAError): + """ Exception when a disallowed or unallocated codepoint is used """ + pass + + +class InvalidCodepointContext(IDNAError): + """ Exception when the codepoint is not valid in the context it is used """ + pass + + +def _combining_class(cp): + v = unicodedata.combining(unichr(cp)) + if v == 0: + if not unicodedata.name(unichr(cp)): + raise ValueError("Unknown character in unicodedata") + return v + +def _is_script(cp, script): + return intranges_contain(ord(cp), idnadata.scripts[script]) + +def _punycode(s): + return s.encode('punycode') + +def _unot(s): + return 'U+{0:04X}'.format(s) + + +def valid_label_length(label): + + if len(label) > 63: + return False + return True + + +def valid_string_length(label, trailing_dot): + + if len(label) > (254 if trailing_dot else 253): + return False + return True + + +def check_bidi(label, check_ltr=False): + + # Bidi rules should only be applied if string contains RTL characters + bidi_label = False + for (idx, cp) in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + if direction == '': + # String likely comes from a newer version of Unicode + raise IDNABidiError('Unknown directionality in label {0} at position {1}'.format(repr(label), idx)) + if direction in ['R', 'AL', 'AN']: + bidi_label = True + if not bidi_label and not check_ltr: + return True + + # Bidi rule 1 + direction = unicodedata.bidirectional(label[0]) + if direction in ['R', 'AL']: + rtl = True + elif direction == 'L': + rtl = False + else: + raise IDNABidiError('First codepoint in label {0} must be directionality L, R or AL'.format(repr(label))) + + valid_ending = False + number_type = False + for (idx, cp) in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + + if rtl: + # Bidi rule 2 + if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: + raise IDNABidiError('Invalid direction for codepoint at position {0} in a right-to-left label'.format(idx)) + # Bidi rule 3 + if direction in ['R', 'AL', 'EN', 'AN']: + valid_ending = True + elif direction != 'NSM': + valid_ending = False + # Bidi rule 4 + if direction in ['AN', 'EN']: + if not number_type: + number_type = direction + else: + if number_type != direction: + raise IDNABidiError('Can not mix numeral types in a right-to-left label') + else: + # Bidi rule 5 + if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: + raise IDNABidiError('Invalid direction for codepoint at position {0} in a left-to-right label'.format(idx)) + # Bidi rule 6 + if direction in ['L', 'EN']: + valid_ending = True + elif direction != 'NSM': + valid_ending = False + + if not valid_ending: + raise IDNABidiError('Label ends with illegal codepoint directionality') + + return True + + +def check_initial_combiner(label): + + if unicodedata.category(label[0])[0] == 'M': + raise IDNAError('Label begins with an illegal combining character') + return True + + +def check_hyphen_ok(label): + + if label[2:4] == '--': + raise IDNAError('Label has disallowed hyphens in 3rd and 4th position') + if label[0] == '-' or label[-1] == '-': + raise IDNAError('Label must not start or end with a hyphen') + return True + + +def check_nfc(label): + + if unicodedata.normalize('NFC', label) != label: + raise IDNAError('Label must be in Normalization Form C') + + +def valid_contextj(label, pos): + + cp_value = ord(label[pos]) + + if cp_value == 0x200c: + + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + + ok = False + for i in range(pos-1, -1, -1): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord('T'): + continue + if joining_type in [ord('L'), ord('D')]: + ok = True + break + + if not ok: + return False + + ok = False + for i in range(pos+1, len(label)): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord('T'): + continue + if joining_type in [ord('R'), ord('D')]: + ok = True + break + return ok + + if cp_value == 0x200d: + + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + return False + + else: + + return False + + +def valid_contexto(label, pos, exception=False): + + cp_value = ord(label[pos]) + + if cp_value == 0x00b7: + if 0 < pos < len(label)-1: + if ord(label[pos - 1]) == 0x006c and ord(label[pos + 1]) == 0x006c: + return True + return False + + elif cp_value == 0x0375: + if pos < len(label)-1 and len(label) > 1: + return _is_script(label[pos + 1], 'Greek') + return False + + elif cp_value == 0x05f3 or cp_value == 0x05f4: + if pos > 0: + return _is_script(label[pos - 1], 'Hebrew') + return False + + elif cp_value == 0x30fb: + for cp in label: + if cp == u'\u30fb': + continue + if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'): + return True + return False + + elif 0x660 <= cp_value <= 0x669: + for cp in label: + if 0x6f0 <= ord(cp) <= 0x06f9: + return False + return True + + elif 0x6f0 <= cp_value <= 0x6f9: + for cp in label: + if 0x660 <= ord(cp) <= 0x0669: + return False + return True + + +def check_label(label): + + if isinstance(label, (bytes, bytearray)): + label = label.decode('utf-8') + if len(label) == 0: + raise IDNAError('Empty Label') + + check_nfc(label) + check_hyphen_ok(label) + check_initial_combiner(label) + + for (pos, cp) in enumerate(label): + cp_value = ord(cp) + if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']): + continue + elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']): + try: + if not valid_contextj(label, pos): + raise InvalidCodepointContext('Joiner {0} not allowed at position {1} in {2}'.format( + _unot(cp_value), pos+1, repr(label))) + except ValueError: + raise IDNAError('Unknown codepoint adjacent to joiner {0} at position {1} in {2}'.format( + _unot(cp_value), pos+1, repr(label))) + elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']): + if not valid_contexto(label, pos): + raise InvalidCodepointContext('Codepoint {0} not allowed at position {1} in {2}'.format(_unot(cp_value), pos+1, repr(label))) + else: + raise InvalidCodepoint('Codepoint {0} at position {1} of {2} not allowed'.format(_unot(cp_value), pos+1, repr(label))) + + check_bidi(label) + + +def alabel(label): + + try: + label = label.encode('ascii') + ulabel(label) + if not valid_label_length(label): + raise IDNAError('Label too long') + return label + except UnicodeEncodeError: + pass + + if not label: + raise IDNAError('No Input') + + label = unicode(label) + check_label(label) + label = _punycode(label) + label = _alabel_prefix + label + + if not valid_label_length(label): + raise IDNAError('Label too long') + + return label + + +def ulabel(label): + + if not isinstance(label, (bytes, bytearray)): + try: + label = label.encode('ascii') + except UnicodeEncodeError: + check_label(label) + return label + + label = label.lower() + if label.startswith(_alabel_prefix): + label = label[len(_alabel_prefix):] + else: + check_label(label) + return label.decode('ascii') + + label = label.decode('punycode') + check_label(label) + return label + + +def uts46_remap(domain, std3_rules=True, transitional=False): + """Re-map the characters in the string according to UTS46 processing.""" + from .uts46data import uts46data + output = u"" + try: + for pos, char in enumerate(domain): + code_point = ord(char) + uts46row = uts46data[code_point if code_point < 256 else + bisect.bisect_left(uts46data, (code_point, "Z")) - 1] + status = uts46row[1] + replacement = uts46row[2] if len(uts46row) == 3 else None + if (status == "V" or + (status == "D" and not transitional) or + (status == "3" and not std3_rules and replacement is None)): + output += char + elif replacement is not None and (status == "M" or + (status == "3" and not std3_rules) or + (status == "D" and transitional)): + output += replacement + elif status != "I": + raise IndexError() + return unicodedata.normalize("NFC", output) + except IndexError: + raise InvalidCodepoint( + "Codepoint {0} not allowed at position {1} in {2}".format( + _unot(code_point), pos + 1, repr(domain))) + + +def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False): + + if isinstance(s, (bytes, bytearray)): + s = s.decode("ascii") + if uts46: + s = uts46_remap(s, std3_rules, transitional) + trailing_dot = False + result = [] + if strict: + labels = s.split('.') + else: + labels = _unicode_dots_re.split(s) + if not labels or labels == ['']: + raise IDNAError('Empty domain') + if labels[-1] == '': + del labels[-1] + trailing_dot = True + for label in labels: + s = alabel(label) + if s: + result.append(s) + else: + raise IDNAError('Empty label') + if trailing_dot: + result.append(b'') + s = b'.'.join(result) + if not valid_string_length(s, trailing_dot): + raise IDNAError('Domain too long') + return s + + +def decode(s, strict=False, uts46=False, std3_rules=False): + + if isinstance(s, (bytes, bytearray)): + s = s.decode("ascii") + if uts46: + s = uts46_remap(s, std3_rules, False) + trailing_dot = False + result = [] + if not strict: + labels = _unicode_dots_re.split(s) + else: + labels = s.split(u'.') + if not labels or labels == ['']: + raise IDNAError('Empty domain') + if not labels[-1]: + del labels[-1] + trailing_dot = True + for label in labels: + s = ulabel(label) + if s: + result.append(s) + else: + raise IDNAError('Empty label') + if trailing_dot: + result.append(u'') + return u'.'.join(result) diff --git a/venv/lib/python3.7/site-packages/idna/idnadata.py b/venv/lib/python3.7/site-packages/idna/idnadata.py new file mode 100644 index 0000000..a80c959 --- /dev/null +++ b/venv/lib/python3.7/site-packages/idna/idnadata.py @@ -0,0 +1,1979 @@ +# This file is automatically generated by tools/idna-data + +__version__ = "11.0.0" +scripts = { + 'Greek': ( + 0x37000000374, + 0x37500000378, + 0x37a0000037e, + 0x37f00000380, + 0x38400000385, + 0x38600000387, + 0x3880000038b, + 0x38c0000038d, + 0x38e000003a2, + 0x3a3000003e2, + 0x3f000000400, + 0x1d2600001d2b, + 0x1d5d00001d62, + 0x1d6600001d6b, + 0x1dbf00001dc0, + 0x1f0000001f16, + 0x1f1800001f1e, + 0x1f2000001f46, + 0x1f4800001f4e, + 0x1f5000001f58, + 0x1f5900001f5a, + 0x1f5b00001f5c, + 0x1f5d00001f5e, + 0x1f5f00001f7e, + 0x1f8000001fb5, + 0x1fb600001fc5, + 0x1fc600001fd4, + 0x1fd600001fdc, + 0x1fdd00001ff0, + 0x1ff200001ff5, + 0x1ff600001fff, + 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+((start1, end1), (start2, end2) ...). Then answer the question "was x present +in the original list?" in time O(log(# runs)). +""" + +import bisect + +def intranges_from_list(list_): + """Represent a list of integers as a sequence of ranges: + ((start_0, end_0), (start_1, end_1), ...), such that the original + integers are exactly those x such that start_i <= x < end_i for some i. + + Ranges are encoded as single integers (start << 32 | end), not as tuples. + """ + + sorted_list = sorted(list_) + ranges = [] + last_write = -1 + for i in range(len(sorted_list)): + if i+1 < len(sorted_list): + if sorted_list[i] == sorted_list[i+1]-1: + continue + current_range = sorted_list[last_write+1:i+1] + ranges.append(_encode_range(current_range[0], current_range[-1] + 1)) + last_write = i + + return tuple(ranges) + +def _encode_range(start, end): + return (start << 32) | end + +def _decode_range(r): + return (r >> 32), (r & ((1 << 32) - 1)) + + +def intranges_contain(int_, ranges): + """Determine if `int_` falls into one of the ranges 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b/venv/lib/python3.7/site-packages/mopidy/__init__.py new file mode 100644 index 0000000..ccb8082 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/__init__.py @@ -0,0 +1,15 @@ +import platform +import sys +import warnings + +import pkg_resources + +if not sys.version_info >= (3, 7): + sys.exit( + f"ERROR: Mopidy requires Python >= 3.7, " + f"but found {platform.python_version()}." + ) + +warnings.filterwarnings("ignore", "could not open display") + +__version__ = pkg_resources.get_distribution("Mopidy").version diff --git a/venv/lib/python3.7/site-packages/mopidy/__main__.py b/venv/lib/python3.7/site-packages/mopidy/__main__.py new file mode 100644 index 0000000..6ef2d2b --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/__main__.py @@ -0,0 +1,231 @@ +import logging +import signal +import sys + +import pykka.debug + +from mopidy import commands +from mopidy import config as config_lib +from mopidy import ext +from mopidy.internal import log, path, process, versioning +from mopidy.internal.gi import Gst # noqa: F401 + +try: + # Make GLib's mainloop the event loop for python-dbus + import dbus.mainloop.glib + + dbus.mainloop.glib.threads_init() + dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) +except ImportError: + pass + + +logger = logging.getLogger(__name__) + + +def main(): + log.bootstrap_delayed_logging() + logger.info(f"Starting Mopidy {versioning.get_version()}") + + signal.signal(signal.SIGTERM, process.sigterm_handler) + # Windows does not have signal.SIGUSR1 + if hasattr(signal, "SIGUSR1"): + signal.signal(signal.SIGUSR1, pykka.debug.log_thread_tracebacks) + + try: + registry = ext.Registry() + + root_cmd = commands.RootCommand() + config_cmd = commands.ConfigCommand() + deps_cmd = commands.DepsCommand() + + root_cmd.set(extension=None, registry=registry) + root_cmd.add_child("config", config_cmd) + root_cmd.add_child("deps", deps_cmd) + + extensions_data = ext.load_extensions() + + for data in extensions_data: + if data.command: # TODO: check isinstance? + data.command.set(extension=data.extension) + root_cmd.add_child(data.extension.ext_name, data.command) + + args = root_cmd.parse(sys.argv[1:]) + + config, config_errors = config_lib.load( + args.config_files, + [d.config_schema for d in extensions_data], + [d.config_defaults for d in extensions_data], + args.config_overrides, + ) + + create_core_dirs(config) + create_initial_config_file(args, extensions_data) + + log.setup_logging( + config, args.base_verbosity_level, args.verbosity_level + ) + + extensions = { + "validate": [], + "config": [], + "disabled": [], + "enabled": [], + } + for data in extensions_data: + extension = data.extension + + # TODO: factor out all of this to a helper that can be tested + if not ext.validate_extension_data(data): + config[extension.ext_name] = {"enabled": False} + config_errors[extension.ext_name] = { + "enabled": "extension disabled by self check." + } + extensions["validate"].append(extension) + elif not config[extension.ext_name]["enabled"]: + config[extension.ext_name] = {"enabled": False} + config_errors[extension.ext_name] = { + "enabled": "extension disabled by user config." + } + extensions["disabled"].append(extension) + elif config_errors.get(extension.ext_name): + config[extension.ext_name]["enabled"] = False + config_errors[extension.ext_name][ + "enabled" + ] = "extension disabled due to config errors." + extensions["config"].append(extension) + else: + extensions["enabled"].append(extension) + + log_extension_info( + [d.extension for d in extensions_data], extensions["enabled"] + ) + + # Config and deps commands are simply special cased for now. + if args.command == config_cmd: + schemas = [d.config_schema for d in extensions_data] + return args.command.run(config, config_errors, schemas) + elif args.command == deps_cmd: + return args.command.run() + + check_config_errors(config, config_errors, extensions) + + if not extensions["enabled"]: + logger.error("No extension enabled, exiting...") + sys.exit(1) + + # Read-only config from here on, please. + proxied_config = config_lib.Proxy(config) + + if args.extension and args.extension not in extensions["enabled"]: + logger.error( + "Unable to run command provided by disabled extension %s", + args.extension.ext_name, + ) + return 1 + + for extension in extensions["enabled"]: + try: + extension.setup(registry) + except Exception: + # TODO: would be nice a transactional registry. But sadly this + # is a bit tricky since our current API is giving out a mutable + # list. We might however be able to replace this with a + # collections.Sequence to provide a RO view. + logger.exception( + f"Extension {extension.ext_name} failed during setup. " + f"This might have left the registry in a bad state." + ) + + # Anything that wants to exit after this point must use + # mopidy.internal.process.exit_process as actors can have been started. + try: + return args.command.run(args, proxied_config) + except NotImplementedError: + print(root_cmd.format_help()) + return 1 + + except KeyboardInterrupt: + pass + except Exception as ex: + logger.exception(ex) + raise + + +def create_core_dirs(config): + path.get_or_create_dir(config["core"]["cache_dir"]) + path.get_or_create_dir(config["core"]["config_dir"]) + path.get_or_create_dir(config["core"]["data_dir"]) + + +def create_initial_config_file(args, extensions_data): + """Initialize whatever the last config file is with defaults""" + + config_file = path.expand_path(args.config_files[-1]) + + if config_file.exists(): + return + + try: + default = config_lib.format_initial(extensions_data) + path.get_or_create_file( + config_file, + mkdir=False, + content=default.encode(errors="surrogateescape"), + ) + logger.info(f"Initialized {config_file.as_uri()} with default config") + except OSError as exc: + logger.warning( + f"Unable to initialize {config_file.as_uri()} with default config: {exc}" + ) + + +def log_extension_info(all_extensions, enabled_extensions): + # TODO: distinguish disabled vs blocked by env? + enabled_names = {e.ext_name for e in enabled_extensions} + disabled_names = {e.ext_name for e in all_extensions} - enabled_names + logger.info("Enabled extensions: %s", ", ".join(enabled_names) or "none") + logger.info("Disabled extensions: %s", ", ".join(disabled_names) or "none") + + +def check_config_errors(config, errors, extensions): + fatal_errors = [] + extension_names = {} + all_extension_names = set() + + for state in extensions: + extension_names[state] = {e.ext_name for e in extensions[state]} + all_extension_names.update(extension_names[state]) + + for section in sorted(errors): + if not errors[section]: + continue + + if section not in all_extension_names: + logger.warning(f"Found fatal {section} configuration errors:") + fatal_errors.append(section) + elif section in extension_names["config"]: + del errors[section]["enabled"] + logger.warning( + f"Found {section} configuration errors. " + f"The extension has been automatically disabled:" + ) + else: + continue + + for field, msg in errors[section].items(): + logger.warning(f" {section}/{field} {msg}") + + if extensions["config"]: + logger.warning( + "Please fix the extension configuration errors or " + "disable the extensions to silence these messages." + ) + + if fatal_errors: + logger.error("Please fix fatal configuration errors, exiting...") + sys.exit(1) + + +if __name__ == "__main__": + sys.exit(main()) diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/__init__.py b/venv/lib/python3.7/site-packages/mopidy/audio/__init__.py new file mode 100644 index 0000000..8858a0b --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/__init__.py @@ -0,0 +1,10 @@ +# flake8: noqa +from .actor import Audio +from .constants import PlaybackState +from .listener import AudioListener +from .utils import ( + calculate_duration, + create_buffer, + millisecond_to_clocktime, + supported_uri_schemes, +) diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/actor.py b/venv/lib/python3.7/site-packages/mopidy/audio/actor.py new file mode 100644 index 0000000..e4c4d4a --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/actor.py @@ -0,0 +1,855 @@ +import logging +import os +import threading + +import pykka + +from mopidy import exceptions +from mopidy.audio import tags as tags_lib +from mopidy.audio import utils +from mopidy.audio.constants import PlaybackState +from mopidy.audio.listener import AudioListener +from mopidy.internal import process +from mopidy.internal.gi import GLib, GObject, Gst, GstPbutils + +logger = logging.getLogger(__name__) + +# This logger is only meant for debug logging of low level GStreamer info such +# as callbacks, event, messages and direct interaction with GStreamer such as +# set_state() on a pipeline. +gst_logger = logging.getLogger("mopidy.audio.gst") + +_GST_PLAY_FLAGS_AUDIO = 0x02 + +_GST_STATE_MAPPING = { + Gst.State.PLAYING: PlaybackState.PLAYING, + Gst.State.PAUSED: PlaybackState.PAUSED, + Gst.State.NULL: PlaybackState.STOPPED, +} + + +# TODO: expose this as a property on audio? +class _Appsrc: + + """Helper class for dealing with appsrc based playback.""" + + def __init__(self): + self._signals = utils.Signals() + self.reset() + + def reset(self): + """Reset the helper. + + Should be called whenever the source changes and we are not setting up + a new appsrc. + """ + self.prepare(None, None, None, None) + + def prepare(self, caps, need_data, enough_data, seek_data): + """Store info we will need when the appsrc element gets installed.""" + self._signals.clear() + self._source = None + self._caps = caps + self._need_data_callback = need_data + self._seek_data_callback = seek_data + self._enough_data_callback = enough_data + + def configure(self, source): + """Configure the supplied source for use. + + Should be called whenever we get a new appsrc. + """ + source.set_property("caps", self._caps) + source.set_property("format", "time") + source.set_property("stream-type", "seekable") + source.set_property("max-bytes", 1 << 20) # 1MB + source.set_property("min-percent", 50) + + if self._need_data_callback: + self._signals.connect( + source, "need-data", self._on_signal, self._need_data_callback + ) + if self._seek_data_callback: + self._signals.connect( + source, "seek-data", self._on_signal, self._seek_data_callback + ) + if self._enough_data_callback: + self._signals.connect( + source, + "enough-data", + self._on_signal, + None, + self._enough_data_callback, + ) + + self._source = source + + def push(self, buffer_): + if self._source is None: + return False + + if buffer_ is None: + gst_logger.debug("Sending appsrc end-of-stream event.") + result = self._source.emit("end-of-stream") + return result == Gst.FlowReturn.OK + else: + result = self._source.emit("push-buffer", buffer_) + return result == Gst.FlowReturn.OK + + def _on_signal(self, element, clocktime, func): + # This shim is used to ensure we always return true, and also handles + # that not all the callbacks have a time argument. + if clocktime is None: + func() + else: + func(utils.clocktime_to_millisecond(clocktime)) + return True + + +# TODO: expose this as a property on audio when #790 gets further along. +class _Outputs(Gst.Bin): + def __init__(self): + Gst.Bin.__init__(self) + # TODO gst1: Set 'outputs' as the Bin name for easier debugging + + self._tee = Gst.ElementFactory.make("tee") + self.add(self._tee) + + ghost_pad = Gst.GhostPad.new("sink", self._tee.get_static_pad("sink")) + self.add_pad(ghost_pad) + + def add_output(self, description): + # XXX This only works for pipelines not in use until #790 gets done. + try: + output = Gst.parse_bin_from_description( + description, ghost_unlinked_pads=True + ) + except GLib.GError as ex: + logger.error( + 'Failed to create audio output "%s": %s', description, ex + ) + raise exceptions.AudioException(bytes(ex)) + + self._add(output) + logger.info('Audio output set to "%s"', description) + + def _add(self, element): + queue = Gst.ElementFactory.make("queue") + self.add(element) + self.add(queue) + queue.link(element) + self._tee.link(queue) + + +class SoftwareMixer: + def __init__(self, mixer): + self._mixer = mixer + self._element = None + self._last_volume = None + self._last_mute = None + self._signals = utils.Signals() + + def setup(self, element, mixer_ref): + self._element = element + self._mixer.setup(mixer_ref) + + def teardown(self): + self._signals.clear() + self._mixer.teardown() + + def get_volume(self): + return int(round(self._element.get_property("volume") * 100)) + + def set_volume(self, volume): + self._element.set_property("volume", volume / 100.0) + self._mixer.trigger_volume_changed(self.get_volume()) + + def get_mute(self): + return self._element.get_property("mute") + + def set_mute(self, mute): + self._element.set_property("mute", bool(mute)) + self._mixer.trigger_mute_changed(self.get_mute()) + + +class _Handler: + def __init__(self, audio): + self._audio = audio + self._element = None + self._pad = None + self._message_handler_id = None + self._event_handler_id = None + + def setup_message_handling(self, element): + self._element = element + bus = element.get_bus() + bus.add_signal_watch() + self._message_handler_id = bus.connect("message", self.on_message) + + def setup_event_handling(self, pad): + self._pad = pad + self._event_handler_id = pad.add_probe( + Gst.PadProbeType.EVENT_BOTH, self.on_pad_event + ) + + def teardown_message_handling(self): + bus = self._element.get_bus() + bus.remove_signal_watch() + bus.disconnect(self._message_handler_id) + self._message_handler_id = None + + def teardown_event_handling(self): + self._pad.remove_probe(self._event_handler_id) + self._event_handler_id = None + + def on_message(self, bus, msg): + if msg.type == Gst.MessageType.STATE_CHANGED: + if msg.src != self._element: + return + old_state, new_state, pending_state = msg.parse_state_changed() + self.on_playbin_state_changed(old_state, new_state, pending_state) + elif msg.type == Gst.MessageType.BUFFERING: + self.on_buffering(msg.parse_buffering(), msg.get_structure()) + elif msg.type == Gst.MessageType.EOS: + self.on_end_of_stream() + elif msg.type == Gst.MessageType.ERROR: + error, debug = msg.parse_error() + self.on_error(error, debug) + elif msg.type == Gst.MessageType.WARNING: + error, debug = msg.parse_warning() + self.on_warning(error, debug) + elif msg.type == Gst.MessageType.ASYNC_DONE: + self.on_async_done() + elif msg.type == Gst.MessageType.TAG: + taglist = msg.parse_tag() + self.on_tag(taglist) + elif msg.type == Gst.MessageType.ELEMENT: + if GstPbutils.is_missing_plugin_message(msg): + self.on_missing_plugin(msg) + elif msg.type == Gst.MessageType.STREAM_START: + self.on_stream_start() + + def on_pad_event(self, pad, pad_probe_info): + event = pad_probe_info.get_event() + if event.type == Gst.EventType.SEGMENT: + self.on_segment(event.parse_segment()) + return Gst.PadProbeReturn.OK + + def on_playbin_state_changed(self, old_state, new_state, pending_state): + gst_logger.debug( + "Got STATE_CHANGED bus message: old=%s new=%s pending=%s", + old_state.value_name, + new_state.value_name, + pending_state.value_name, + ) + + if new_state == Gst.State.READY and pending_state == Gst.State.NULL: + # XXX: We're not called on the last state change when going down to + # NULL, so we rewrite the second to last call to get the expected + # behavior. + new_state = Gst.State.NULL + pending_state = Gst.State.VOID_PENDING + + if pending_state != Gst.State.VOID_PENDING: + return # Ignore intermediate state changes + + if new_state == Gst.State.READY: + return # Ignore READY state as it's GStreamer specific + + new_state = _GST_STATE_MAPPING[new_state] + old_state, self._audio.state = self._audio.state, new_state + + target_state = _GST_STATE_MAPPING.get(self._audio._target_state) + if target_state is None: + # XXX: Workaround for #1430, to be fixed properly by #1222. + logger.warn("Race condition happened. See #1222 and #1430.") + return + if target_state == new_state: + target_state = None + + logger.debug( + "Audio event: state_changed(old_state=%s, new_state=%s, " + "target_state=%s)", + old_state, + new_state, + target_state, + ) + AudioListener.send( + "state_changed", + old_state=old_state, + new_state=new_state, + target_state=target_state, + ) + if new_state == PlaybackState.STOPPED: + logger.debug("Audio event: stream_changed(uri=None)") + AudioListener.send("stream_changed", uri=None) + + if "GST_DEBUG_DUMP_DOT_DIR" in os.environ: + Gst.debug_bin_to_dot_file( + self._audio._playbin, Gst.DebugGraphDetails.ALL, "mopidy" + ) + + def on_buffering(self, percent, structure=None): + if self._audio._target_state < Gst.State.PAUSED: + gst_logger.debug("Skip buffering during track change.") + return + + if structure is not None and structure.has_field("buffering-mode"): + buffering_mode = structure.get_enum( + "buffering-mode", Gst.BufferingMode + ) + if buffering_mode == Gst.BufferingMode.LIVE: + return # Live sources stall in paused. + + level = logging.getLevelName("TRACE") + if percent < 10 and not self._audio._buffering: + self._audio._playbin.set_state(Gst.State.PAUSED) + self._audio._buffering = True + level = logging.DEBUG + if percent == 100: + self._audio._buffering = False + if self._audio._target_state == Gst.State.PLAYING: + self._audio._playbin.set_state(Gst.State.PLAYING) + level = logging.DEBUG + + gst_logger.log( + level, "Got BUFFERING bus message: percent=%d%%", percent + ) + + def on_end_of_stream(self): + gst_logger.debug("Got EOS (end of stream) bus message.") + logger.debug("Audio event: reached_end_of_stream()") + self._audio._tags = {} + AudioListener.send("reached_end_of_stream") + + def on_error(self, error, debug): + gst_logger.error(f"GStreamer error: {error.message}") + gst_logger.debug( + f"Got ERROR bus message: error={error!r} debug={debug!r}" + ) + + # TODO: is this needed? + self._audio.stop_playback() + + def on_warning(self, error, debug): + gst_logger.warning(f"GStreamer warning: {error.message}") + gst_logger.debug( + f"Got WARNING bus message: error={error!r} debug={debug!r}" + ) + + def on_async_done(self): + gst_logger.debug("Got ASYNC_DONE bus message.") + + def on_tag(self, taglist): + tags = tags_lib.convert_taglist(taglist) + gst_logger.debug("Got TAG bus message: tags=%r", dict(tags)) + + # Postpone emitting tags until stream start. + if self._audio._pending_tags is not None: + self._audio._pending_tags.update(tags) + return + + # TODO: Add proper tests for only emitting changed tags. + unique = object() + changed = [] + for key, value in tags.items(): + # Update any tags that changed, and store changed keys. + if self._audio._tags.get(key, unique) != value: + self._audio._tags[key] = value + changed.append(key) + + if changed: + logger.debug("Audio event: tags_changed(tags=%r)", changed) + AudioListener.send("tags_changed", tags=changed) + + def on_missing_plugin(self, msg): + desc = GstPbutils.missing_plugin_message_get_description(msg) + debug = GstPbutils.missing_plugin_message_get_installer_detail(msg) + gst_logger.debug("Got missing-plugin bus message: description=%r", desc) + logger.warning("Could not find a %s to handle media.", desc) + if GstPbutils.install_plugins_supported(): + logger.info( + "You might be able to fix this by running: " + 'gst-installer "%s"', + debug, + ) + # TODO: store the missing plugins installer info in a file so we can + # can provide a 'mopidy install-missing-plugins' if the system has the + # required helper installed? + + def on_stream_start(self): + gst_logger.debug("Got STREAM_START bus message") + uri = self._audio._pending_uri + logger.debug("Audio event: stream_changed(uri=%r)", uri) + AudioListener.send("stream_changed", uri=uri) + + # Emit any postponed tags that we got after about-to-finish. + tags, self._audio._pending_tags = self._audio._pending_tags, None + self._audio._tags = tags or {} + + if tags: + logger.debug("Audio event: tags_changed(tags=%r)", tags.keys()) + AudioListener.send("tags_changed", tags=tags.keys()) + + if self._audio._pending_metadata: + self._audio._playbin.send_event(self._audio._pending_metadata) + self._audio._pending_metadata = None + + def on_segment(self, segment): + gst_logger.debug( + "Got SEGMENT pad event: " + "rate=%(rate)s format=%(format)s start=%(start)s stop=%(stop)s " + "position=%(position)s", + { + "rate": segment.rate, + "format": Gst.Format.get_name(segment.format), + "start": segment.start, + "stop": segment.stop, + "position": segment.position, + }, + ) + position_ms = segment.position // Gst.MSECOND + logger.debug("Audio event: position_changed(position=%r)", position_ms) + AudioListener.send("position_changed", position=position_ms) + + +# TODO: create a player class which replaces the actors internals +class Audio(pykka.ThreadingActor): + + """ + Audio output through `GStreamer `_. + """ + + #: The GStreamer state mapped to :class:`mopidy.audio.PlaybackState` + state = PlaybackState.STOPPED + + #: The software mixing interface :class:`mopidy.audio.actor.SoftwareMixer` + mixer = None + + def __init__(self, config, mixer): + super().__init__() + + self._config = config + self._target_state = Gst.State.NULL + self._buffering = False + self._live_stream = False + self._tags = {} + self._pending_uri = None + self._pending_tags = None + self._pending_metadata = None + + self._playbin = None + self._outputs = None + self._queue = None + self._about_to_finish_callback = None + + self._handler = _Handler(self) + self._appsrc = _Appsrc() + self._signals = utils.Signals() + + if mixer and self._config["audio"]["mixer"] == "software": + self.mixer = pykka.traversable(SoftwareMixer(mixer)) + + def on_start(self): + self._thread = threading.current_thread() + try: + self._setup_preferences() + self._setup_playbin() + self._setup_outputs() + self._setup_audio_sink() + except GLib.GError as ex: + logger.exception(ex) + process.exit_process() + + def on_stop(self): + self._teardown_mixer() + self._teardown_playbin() + + def _setup_preferences(self): + # TODO: move out of audio actor? + # Fix for https://github.com/mopidy/mopidy/issues/604 + registry = Gst.Registry.get() + jacksink = registry.find_feature("jackaudiosink", Gst.ElementFactory) + if jacksink: + jacksink.set_rank(Gst.Rank.SECONDARY) + + def _setup_playbin(self): + playbin = Gst.ElementFactory.make("playbin") + playbin.set_property("flags", _GST_PLAY_FLAGS_AUDIO) + + # TODO: turn into config values... + playbin.set_property("buffer-size", 5 << 20) # 5MB + playbin.set_property("buffer-duration", 5 * Gst.SECOND) + + self._signals.connect(playbin, "source-setup", self._on_source_setup) + self._signals.connect( + playbin, "about-to-finish", self._on_about_to_finish + ) + + self._playbin = playbin + self._handler.setup_message_handling(playbin) + + def _teardown_playbin(self): + self._handler.teardown_message_handling() + self._handler.teardown_event_handling() + self._signals.disconnect(self._playbin, "about-to-finish") + self._signals.disconnect(self._playbin, "source-setup") + self._playbin.set_state(Gst.State.NULL) + + def _setup_outputs(self): + # We don't want to use outputs for regular testing, so just install + # an unsynced fakesink when someone asks for a 'testoutput'. + if self._config["audio"]["output"] == "testoutput": + self._outputs = Gst.ElementFactory.make("fakesink") + else: + self._outputs = _Outputs() + try: + self._outputs.add_output(self._config["audio"]["output"]) + except exceptions.AudioException: + process.exit_process() # TODO: move this up the chain + + self._handler.setup_event_handling(self._outputs.get_static_pad("sink")) + + def _setup_audio_sink(self): + audio_sink = Gst.ElementFactory.make("bin", "audio-sink") + queue = Gst.ElementFactory.make("queue") + volume = Gst.ElementFactory.make("volume") + + # Queue element to buy us time between the about-to-finish event and + # the actual switch, i.e. about to switch can block for longer thanks + # to this queue. + + # TODO: See if settings should be set to minimize latency. Previous + # setting breaks appsrc, and settings before that broke on a few + # systems. So leave the default to play it safe. + buffer_time = self._config["audio"]["buffer_time"] + if buffer_time is not None and buffer_time > 0: + queue.set_property("max-size-time", buffer_time * Gst.MSECOND) + + audio_sink.add(queue) + audio_sink.add(self._outputs) + audio_sink.add(volume) + + queue.link(volume) + volume.link(self._outputs) + + if self.mixer: + self.mixer.setup(volume, self.actor_ref.proxy().mixer) + + ghost_pad = Gst.GhostPad.new("sink", queue.get_static_pad("sink")) + audio_sink.add_pad(ghost_pad) + + self._playbin.set_property("audio-sink", audio_sink) + self._queue = queue + + def _teardown_mixer(self): + if self.mixer: + self.mixer.teardown() + + def _on_about_to_finish(self, element): + if self._thread == threading.current_thread(): + logger.error( + "about-to-finish in actor, aborting to avoid deadlock." + ) + return + + gst_logger.debug("Got about-to-finish event.") + if self._about_to_finish_callback: + logger.debug("Running about-to-finish callback.") + self._about_to_finish_callback() + + def _on_source_setup(self, element, source): + gst_logger.debug( + "Got source-setup signal: element=%s", source.__class__.__name__ + ) + + if source.get_factory().get_name() == "appsrc": + self._appsrc.configure(source) + else: + self._appsrc.reset() + + if self._live_stream and hasattr(source.props, "is_live"): + gst_logger.debug("Enabling live stream mode") + source.set_live(True) + + utils.setup_proxy(source, self._config["proxy"]) + + def set_uri(self, uri, live_stream=False): + """ + Set URI of audio to be played. + + You *MUST* call :meth:`prepare_change` before calling this method. + + :param uri: the URI to play + :type uri: string + :param live_stream: disables buffering, reducing latency for stream, + and discarding data when paused + :type live_stream: bool + """ + + # XXX: Hack to workaround issue on Mac OS X where volume level + # does not persist between track changes. mopidy/mopidy#886 + if self.mixer is not None: + current_volume = self.mixer.get_volume() + else: + current_volume = None + + self._pending_uri = uri + self._pending_tags = {} + self._live_stream = live_stream + self._playbin.set_property("uri", uri) + + if self.mixer is not None and current_volume is not None: + self.mixer.set_volume(current_volume) + + def set_appsrc( + self, caps, need_data=None, enough_data=None, seek_data=None + ): + """ + Switch to using appsrc for getting audio to be played. + + You *MUST* call :meth:`prepare_change` before calling this method. + + :param caps: GStreamer caps string describing the audio format to + expect + :type caps: string + :param need_data: callback for when appsrc needs data + :type need_data: callable which takes data length hint in ms + :param enough_data: callback for when appsrc has enough data + :type enough_data: callable + :param seek_data: callback for when data from a new position is needed + to continue playback + :type seek_data: callable which takes time position in ms + """ + self._appsrc.prepare( + Gst.Caps.from_string(caps), need_data, enough_data, seek_data + ) + uri = "appsrc://" + self._pending_uri = uri + self._playbin.set_property("uri", uri) + + def emit_data(self, buffer_): + """ + Call this to deliver raw audio data to be played. + + If the buffer is :class:`None`, the end-of-stream token is put on the + playbin. We will get a GStreamer message when the stream playback + reaches the token, and can then do any end-of-stream related tasks. + + Note that the URI must be set to ``appsrc://`` for this to work. + + Returns :class:`True` if data was delivered. + + :param buffer_: buffer to pass to appsrc + :type buffer_: :class:`Gst.Buffer` or :class:`None` + :rtype: boolean + """ + return self._appsrc.push(buffer_) + + def set_about_to_finish_callback(self, callback): + """ + Configure audio to use an about-to-finish callback. + + This should be used to achieve gapless playback. For this to work the + callback *MUST* call :meth:`set_uri` with the new URI to play and + block until this call has been made. :meth:`prepare_change` is not + needed before :meth:`set_uri` in this one special case. + + :param callable callback: Callback to run when we need the next URI. + """ + self._about_to_finish_callback = callback + + def get_position(self): + """ + Get position in milliseconds. + + :rtype: int + """ + success, position = self._playbin.query_position(Gst.Format.TIME) + + if not success: + # TODO: take state into account for this and possibly also return + # None as the unknown value instead of zero? + logger.debug("Position query failed") + return 0 + + return utils.clocktime_to_millisecond(position) + + def set_position(self, position): + """ + Set position in milliseconds. + + :param position: the position in milliseconds + :type position: int + :rtype: :class:`True` if successful, else :class:`False` + """ + # TODO: double check seek flags in use. + gst_position = utils.millisecond_to_clocktime(position) + gst_logger.debug("Sending flushing seek: position=%r", gst_position) + # Send seek event to the queue not the playbin. The default behavior + # for bins is to forward this event to all sinks. Which results in + # duplicate seek events making it to appsrc. Since elements are not + # allowed to act on the seek event, only modify it, this should be safe + # to do. + result = self._queue.seek_simple( + Gst.Format.TIME, Gst.SeekFlags.FLUSH, gst_position + ) + return result + + def start_playback(self): + """ + Notify GStreamer that it should start playback. + + :rtype: :class:`True` if successfull, else :class:`False` + """ + return self._set_state(Gst.State.PLAYING) + + def pause_playback(self): + """ + Notify GStreamer that it should pause playback. + + :rtype: :class:`True` if successfull, else :class:`False` + """ + return self._set_state(Gst.State.PAUSED) + + def prepare_change(self): + """ + Notify GStreamer that we are about to change state of playback. + + This function *MUST* be called before changing URIs or doing + changes like updating data that is being pushed. The reason for this + is that GStreamer will reset all its state when it changes to + :attr:`Gst.State.READY`. + """ + return self._set_state(Gst.State.READY) + + def stop_playback(self): + """ + Notify GStreamer that is should stop playback. + + :rtype: :class:`True` if successfull, else :class:`False` + """ + return self._set_state(Gst.State.NULL) + + def wait_for_state_change(self): + """Block until any pending state changes are complete. + + Should only be used by tests. + """ + self._playbin.get_state(timeout=Gst.CLOCK_TIME_NONE) + + def enable_sync_handler(self): + """Enable manual processing of messages from bus. + + Should only be used by tests. + """ + + def sync_handler(bus, message): + self._handler.on_message(bus, message) + return Gst.BusSyncReply.DROP + + bus = self._playbin.get_bus() + bus.set_sync_handler(sync_handler) + + def _set_state(self, state): + """ + Internal method for setting the raw GStreamer state. + + .. digraph:: gst_state_transitions + + graph [rankdir="LR"]; + node [fontsize=10]; + + "NULL" -> "READY" + "PAUSED" -> "PLAYING" + "PAUSED" -> "READY" + "PLAYING" -> "PAUSED" + "READY" -> "NULL" + "READY" -> "PAUSED" + + :param state: State to set playbin to. One of: `Gst.State.NULL`, + `Gst.State.READY`, `Gst.State.PAUSED` and `Gst.State.PLAYING`. + :type state: :class:`Gst.State` + :rtype: :class:`True` if successfull, else :class:`False` + """ + if state < Gst.State.PAUSED: + self._buffering = False + + self._target_state = state + result = self._playbin.set_state(state) + gst_logger.debug( + "Changing state to %s: result=%s", + state.value_name, + result.value_name, + ) + + if result == Gst.StateChangeReturn.FAILURE: + logger.warning( + "Setting GStreamer state to %s failed", state.value_name + ) + return False + # TODO: at this point we could already emit stopped event instead + # of faking it in the message handling when result=OK + return True + + # TODO: bake this into setup appsrc perhaps? + def set_metadata(self, track): + """ + Set track metadata for currently playing song. + + Only needs to be called by sources such as ``appsrc`` which do not + already inject tags in playbin, e.g. when using :meth:`emit_data` to + deliver raw audio data to GStreamer. + + :param track: the current track + :type track: :class:`mopidy.models.Track` + """ + taglist = Gst.TagList.new_empty() + artists = [a for a in (track.artists or []) if a.name] + + def set_value(tag, value): + gobject_value = GObject.Value() + gobject_value.init(GObject.TYPE_STRING) + gobject_value.set_string(value) + taglist.add_value(Gst.TagMergeMode.REPLACE, tag, gobject_value) + + # Default to blank data to trick shoutcast into clearing any previous + # values it might have. + # TODO: Verify if this works at all, likely it doesn't. + set_value(Gst.TAG_ARTIST, " ") + set_value(Gst.TAG_TITLE, " ") + set_value(Gst.TAG_ALBUM, " ") + + if artists: + set_value(Gst.TAG_ARTIST, ", ".join([a.name for a in artists])) + + if track.name: + set_value(Gst.TAG_TITLE, track.name) + + if track.album and track.album.name: + set_value(Gst.TAG_ALBUM, track.album.name) + + gst_logger.debug( + "Sending TAG event for track %r: %r", track.uri, taglist.to_string() + ) + event = Gst.Event.new_tag(taglist) + if self._pending_uri: + self._pending_metadata = event + else: + self._playbin.send_event(event) + + def get_current_tags(self): + """ + Get the currently playing media's tags. + + If no tags have been found, or nothing is playing this returns an empty + dictionary. For each set of tags we collect a tags_changed event is + emitted with the keys of the changes tags. After such calls users may + call this function to get the updated values. + + :rtype: {key: [values]} dict for the current media. + """ + # TODO: should this be a (deep) copy? most likely yes + # TODO: should we return None when stopped? + # TODO: support only fetching keys we care about? + return self._tags diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/constants.py b/venv/lib/python3.7/site-packages/mopidy/audio/constants.py new file mode 100644 index 0000000..c1046f4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/constants.py @@ -0,0 +1,14 @@ +class PlaybackState: + + """ + Enum of playback states. + """ + + #: Constant representing the paused state. + PAUSED = "paused" + + #: Constant representing the playing state. + PLAYING = "playing" + + #: Constant representing the stopped state. + STOPPED = "stopped" diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/listener.py b/venv/lib/python3.7/site-packages/mopidy/audio/listener.py new file mode 100644 index 0000000..1b49cf1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/listener.py @@ -0,0 +1,94 @@ +from mopidy import listener + + +class AudioListener(listener.Listener): + + """ + Marker interface for recipients of events sent by the audio actor. + + Any Pykka actor that mixes in this class will receive calls to the methods + defined here when the corresponding events happen in the core actor. This + interface is used both for looking up what actors to notify of the events, + and for providing default implementations for those listeners that are not + interested in all events. + """ + + @staticmethod + def send(event, **kwargs): + """Helper to allow calling of audio listener events""" + listener.send(AudioListener, event, **kwargs) + + def reached_end_of_stream(self): + """ + Called whenever the end of the audio stream is reached. + + *MAY* be implemented by actor. + """ + pass + + def stream_changed(self, uri): + """ + Called whenever the audio stream changes. + + *MAY* be implemented by actor. + + :param string uri: URI the stream has started playing. + """ + pass + + def position_changed(self, position): + """ + Called whenever the position of the stream changes. + + *MAY* be implemented by actor. + + :param int position: Position in milliseconds. + """ + pass + + def state_changed(self, old_state, new_state, target_state): + """ + Called after the playback state have changed. + + Will be called for both immediate and async state changes in GStreamer. + + Target state is used to when we should be in the target state, but + temporarily need to switch to an other state. A typical example of this + is buffering. When this happens an event with + `old=PLAYING, new=PAUSED, target=PLAYING` will be emitted. Once we have + caught up a `old=PAUSED, new=PLAYING, target=None` event will be + be generated. + + Regular state changes will not have target state set as they are final + states which should be stable. + + *MAY* be implemented by actor. + + :param old_state: the state before the change + :type old_state: string from :class:`mopidy.core.PlaybackState` field + :param new_state: the state after the change + :type new_state: A :class:`mopidy.core.PlaybackState` field + :type new_state: string from :class:`mopidy.core.PlaybackState` field + :param target_state: the intended state + :type target_state: string from :class:`mopidy.core.PlaybackState` + field or :class:`None` if this is a final state. + """ + pass + + def tags_changed(self, tags): + """ + Called whenever the current audio stream's tags change. + + This event signals that some track metadata has been updated. This can + be metadata such as artists, titles, organization, or details about the + actual audio such as bit-rates, numbers of channels etc. + + For the available tag keys please refer to GStreamer documentation for + tags. + + *MAY* be implemented by actor. + + :param tags: The tags that have just been updated. + :type tags: :class:`set` of strings + """ + pass diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/scan.py b/venv/lib/python3.7/site-packages/mopidy/audio/scan.py new file mode 100644 index 0000000..beb29f0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/scan.py @@ -0,0 +1,302 @@ +import collections +import logging +import time + +from mopidy import exceptions +from mopidy.audio import tags as tags_lib +from mopidy.audio import utils +from mopidy.internal import log +from mopidy.internal.gi import Gst, GstPbutils + +# GST_ELEMENT_FACTORY_LIST: +_DECODER = 1 << 0 +_AUDIO = 1 << 50 +_DEMUXER = 1 << 5 +_DEPAYLOADER = 1 << 8 +_PARSER = 1 << 6 + +# GST_TYPE_AUTOPLUG_SELECT_RESULT: +_SELECT_TRY = 0 +_SELECT_EXPOSE = 1 + +_Result = collections.namedtuple( + "Result", ("uri", "tags", "duration", "seekable", "mime", "playable") +) + +logger = logging.getLogger(__name__) + + +def _trace(*args, **kwargs): + logger.log(log.TRACE_LOG_LEVEL, *args, **kwargs) + + +# TODO: replace with a scan(uri, timeout=1000, proxy_config=None)? +class Scanner: + + """ + Helper to get tags and other relevant info from URIs. + + :param timeout: timeout for scanning a URI in ms + :param proxy_config: dictionary containing proxy config strings. + :type event: int + """ + + def __init__(self, timeout=1000, proxy_config=None): + self._timeout_ms = int(timeout) + self._proxy_config = proxy_config or {} + + def scan(self, uri, timeout=None): + """ + Scan the given uri collecting relevant metadata. + + :param uri: URI of the resource to scan. + :type uri: string + :param timeout: timeout for scanning a URI in ms. Defaults to the + ``timeout`` value used when creating the scanner. + :type timeout: int + :return: A named tuple containing + ``(uri, tags, duration, seekable, mime)``. + ``tags`` is a dictionary of lists for all the tags we found. + ``duration`` is the length of the URI in milliseconds, or + :class:`None` if the URI has no duration. ``seekable`` is boolean. + indicating if a seek would succeed. + """ + timeout = int(timeout or self._timeout_ms) + tags, duration, seekable, mime = None, None, None, None + pipeline, signals = _setup_pipeline(uri, self._proxy_config) + + try: + _start_pipeline(pipeline) + tags, mime, have_audio, duration = _process(pipeline, timeout) + seekable = _query_seekable(pipeline) + finally: + signals.clear() + pipeline.set_state(Gst.State.NULL) + del pipeline + + return _Result(uri, tags, duration, seekable, mime, have_audio) + + +# Turns out it's _much_ faster to just create a new pipeline for every as +# decodebins and other elements don't seem to take well to being reused. +def _setup_pipeline(uri, proxy_config=None): + src = Gst.Element.make_from_uri(Gst.URIType.SRC, uri) + if not src: + raise exceptions.ScannerError(f"GStreamer can not open: {uri}") + + if proxy_config: + utils.setup_proxy(src, proxy_config) + + signals = utils.Signals() + pipeline = Gst.ElementFactory.make("pipeline") + pipeline.add(src) + + if _has_src_pads(src): + _setup_decodebin(src, src.get_static_pad("src"), pipeline, signals) + elif _has_dynamic_src_pad(src): + signals.connect(src, "pad-added", _setup_decodebin, pipeline, signals) + else: + raise exceptions.ScannerError("No pads found in source element.") + + return pipeline, signals + + +def _has_src_pads(element): + pads = [] + element.iterate_src_pads().foreach(pads.append) + return bool(pads) + + +def _has_dynamic_src_pad(element): + for template in element.get_pad_template_list(): + if template.direction == Gst.PadDirection.SRC: + if template.presence == Gst.PadPresence.SOMETIMES: + return True + return False + + +def _setup_decodebin(element, pad, pipeline, signals): + typefind = Gst.ElementFactory.make("typefind") + decodebin = Gst.ElementFactory.make("decodebin") + + for element in (typefind, decodebin): + pipeline.add(element) + element.sync_state_with_parent() + + pad.link(typefind.get_static_pad("sink")) + typefind.link(decodebin) + + signals.connect(typefind, "have-type", _have_type, decodebin) + signals.connect(decodebin, "pad-added", _pad_added, pipeline) + signals.connect(decodebin, "autoplug-select", _autoplug_select) + + +def _have_type(element, probability, caps, decodebin): + decodebin.set_property("sink-caps", caps) + struct = Gst.Structure.new_empty("have-type") + struct.set_value("caps", caps.get_structure(0)) + element.get_bus().post(Gst.Message.new_application(element, struct)) + + +def _pad_added(element, pad, pipeline): + sink = Gst.ElementFactory.make("fakesink") + sink.set_property("sync", False) + + pipeline.add(sink) + sink.sync_state_with_parent() + pad.link(sink.get_static_pad("sink")) + + if pad.query_caps().is_subset(Gst.Caps.from_string("audio/x-raw")): + # Probably won't happen due to autoplug-select fix, but lets play it + # safe until we've tested more. + struct = Gst.Structure.new_empty("have-audio") + element.get_bus().post(Gst.Message.new_application(element, struct)) + + +def _autoplug_select(element, pad, caps, factory): + if factory.list_is_type(_DECODER | _AUDIO): + struct = Gst.Structure.new_empty("have-audio") + element.get_bus().post(Gst.Message.new_application(element, struct)) + if not factory.list_is_type(_DEMUXER | _DEPAYLOADER | _PARSER): + return _SELECT_EXPOSE + return _SELECT_TRY + + +def _start_pipeline(pipeline): + result = pipeline.set_state(Gst.State.PAUSED) + if result == Gst.StateChangeReturn.NO_PREROLL: + pipeline.set_state(Gst.State.PLAYING) + + +def _query_duration(pipeline): + success, duration = pipeline.query_duration(Gst.Format.TIME) + if not success: + duration = None # Make sure error case preserves None. + elif duration < 0: + duration = None # Stream without duration. + else: + duration = int(duration // Gst.MSECOND) + return success, duration + + +def _query_seekable(pipeline): + query = Gst.Query.new_seeking(Gst.Format.TIME) + pipeline.query(query) + return query.parse_seeking()[1] + + +def _process(pipeline, timeout_ms): + bus = pipeline.get_bus() + tags = {} + mime = None + have_audio = False + missing_message = None + duration = None + + types = ( + Gst.MessageType.ELEMENT + | Gst.MessageType.APPLICATION + | Gst.MessageType.ERROR + | Gst.MessageType.EOS + | Gst.MessageType.ASYNC_DONE + | Gst.MessageType.DURATION_CHANGED + | Gst.MessageType.TAG + ) + + timeout = timeout_ms + start = int(time.time() * 1000) + while timeout > 0: + msg = bus.timed_pop_filtered(timeout * Gst.MSECOND, types) + if msg is None: + break + + if logger.isEnabledFor(log.TRACE_LOG_LEVEL) and msg.get_structure(): + debug_text = msg.get_structure().to_string() + if len(debug_text) > 77: + debug_text = debug_text[:77] + "..." + _trace("element %s: %s", msg.src.get_name(), debug_text) + + if msg.type == Gst.MessageType.ELEMENT: + if GstPbutils.is_missing_plugin_message(msg): + missing_message = msg + elif msg.type == Gst.MessageType.APPLICATION: + if msg.get_structure().get_name() == "have-type": + mime = msg.get_structure().get_value("caps").get_name() + if mime and ( + mime.startswith("text/") or mime == "application/xml" + ): + return tags, mime, have_audio, duration + elif msg.get_structure().get_name() == "have-audio": + have_audio = True + elif msg.type == Gst.MessageType.ERROR: + error, _debug = msg.parse_error() + if missing_message and not mime: + caps = missing_message.get_structure().get_value("detail") + mime = caps.get_structure(0).get_name() + return tags, mime, have_audio, duration + raise exceptions.ScannerError(str(error)) + elif msg.type == Gst.MessageType.EOS: + return tags, mime, have_audio, duration + elif msg.type == Gst.MessageType.ASYNC_DONE: + success, duration = _query_duration(pipeline) + if tags and success: + return tags, mime, have_audio, duration + + # Don't try workaround for non-seekable sources such as mmssrc: + if not _query_seekable(pipeline): + return tags, mime, have_audio, duration + + # Workaround for upstream bug which causes tags/duration to arrive + # after pre-roll. We get around this by starting to play the track + # and then waiting for a duration change. + # https://bugzilla.gnome.org/show_bug.cgi?id=763553 + logger.debug("Using workaround for duration missing before play.") + result = pipeline.set_state(Gst.State.PLAYING) + if result == Gst.StateChangeReturn.FAILURE: + return tags, mime, have_audio, duration + + elif msg.type == Gst.MessageType.DURATION_CHANGED and tags: + # VBR formats sometimes seem to not have a duration by the time we + # go back to paused. So just try to get it right away. + success, duration = _query_duration(pipeline) + pipeline.set_state(Gst.State.PAUSED) + if success: + return tags, mime, have_audio, duration + elif msg.type == Gst.MessageType.TAG: + taglist = msg.parse_tag() + # Note that this will only keep the last tag. + tags.update(tags_lib.convert_taglist(taglist)) + + timeout = timeout_ms - (int(time.time() * 1000) - start) + + raise exceptions.ScannerError(f"Timeout after {timeout_ms:d}ms") + + +if __name__ == "__main__": + import os + import sys + + from mopidy.internal import path + + logging.basicConfig( + format="%(asctime)-15s %(levelname)s %(message)s", + level=log.TRACE_LOG_LEVEL, + ) + + scanner = Scanner(5000) + for uri in sys.argv[1:]: + if not Gst.uri_is_valid(uri): + uri = path.path_to_uri(os.path.abspath(uri)) + try: + result = scanner.scan(uri) + for key in ("uri", "mime", "duration", "playable", "seekable"): + value = getattr(result, key) + print(f"{key:<20} {value}") + print("tags") + for tag, value in result.tags.items(): + line = f"{tag:<20} {value}" + if len(line) > 77: + line = line[:77] + "..." + print(line) + except exceptions.ScannerError as error: + print(f"{uri}: {error}") diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/tags.py b/venv/lib/python3.7/site-packages/mopidy/audio/tags.py new file mode 100644 index 0000000..f26c731 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/tags.py @@ -0,0 +1,161 @@ +import collections +import datetime +import logging +import numbers + +from mopidy.internal import log +from mopidy.internal.gi import GLib, Gst +from mopidy.models import Album, Artist, Track + +logger = logging.getLogger(__name__) + + +def convert_taglist(taglist): + """Convert a :class:`Gst.TagList` to plain Python types. + + Knows how to convert: + + - Dates + - Buffers + - Numbers + - Strings + - Booleans + + Unknown types will be ignored and trace logged. Tag keys are all strings + defined as part GStreamer under GstTagList_. + + .. _GstTagList: https://developer.gnome.org/gstreamer/stable/\ +gstreamer-GstTagList.html + + :param taglist: A GStreamer taglist to be converted. + :type taglist: :class:`Gst.TagList` + :rtype: dictionary of tag keys with a list of values. + """ + result = collections.defaultdict(list) + + for n in range(taglist.n_tags()): + tag = taglist.nth_tag_name(n) + + for i in range(taglist.get_tag_size(tag)): + value = taglist.get_value_index(tag, i) + + if isinstance(value, GLib.Date): + try: + date = datetime.date( + value.get_year(), value.get_month(), value.get_day() + ) + result[tag].append(date.isoformat()) + except ValueError: + logger.debug( + "Ignoring dodgy date value: %d-%d-%d", + value.get_year(), + value.get_month(), + value.get_day(), + ) + elif isinstance(value, Gst.DateTime): + result[tag].append(value.to_iso8601_string()) + elif isinstance(value, bytes): + result[tag].append(value.decode(errors="replace")) + elif isinstance(value, (str, bool, numbers.Number)): + result[tag].append(value) + elif isinstance(value, Gst.Sample): + data = _extract_sample_data(value) + if data: + result[tag].append(data) + else: + logger.log( + log.TRACE_LOG_LEVEL, + "Ignoring unknown tag data: %r = %r", + tag, + value, + ) + + # TODO: dict(result) to not leak the defaultdict, or just use setdefault? + return result + + +def _extract_sample_data(sample): + buf = sample.get_buffer() + if not buf: + return None + return buf.extract_dup(0, buf.get_size()) + + +# TODO: split based on "stream" and "track" based conversion? i.e. handle data +# from radios in it's own helper instead? +def convert_tags_to_track(tags): + """Convert our normalized tags to a track. + + :param tags: dictionary of tag keys with a list of values + :type tags: :class:`dict` + :rtype: :class:`mopidy.models.Track` + """ + album_kwargs = {} + track_kwargs = {} + + track_kwargs["composers"] = _artists(tags, Gst.TAG_COMPOSER) + track_kwargs["performers"] = _artists(tags, Gst.TAG_PERFORMER) + track_kwargs["artists"] = _artists( + tags, Gst.TAG_ARTIST, "musicbrainz-artistid", "musicbrainz-sortname" + ) + album_kwargs["artists"] = _artists( + tags, Gst.TAG_ALBUM_ARTIST, "musicbrainz-albumartistid" + ) + + track_kwargs["genre"] = "; ".join(tags.get(Gst.TAG_GENRE, [])) + track_kwargs["name"] = "; ".join(tags.get(Gst.TAG_TITLE, [])) + if not track_kwargs["name"]: + track_kwargs["name"] = "; ".join(tags.get(Gst.TAG_ORGANIZATION, [])) + + track_kwargs["comment"] = "; ".join(tags.get("comment", [])) + if not track_kwargs["comment"]: + track_kwargs["comment"] = "; ".join(tags.get(Gst.TAG_LOCATION, [])) + if not track_kwargs["comment"]: + track_kwargs["comment"] = "; ".join(tags.get(Gst.TAG_COPYRIGHT, [])) + + track_kwargs["track_no"] = tags.get(Gst.TAG_TRACK_NUMBER, [None])[0] + track_kwargs["disc_no"] = tags.get(Gst.TAG_ALBUM_VOLUME_NUMBER, [None])[0] + track_kwargs["bitrate"] = tags.get(Gst.TAG_BITRATE, [None])[0] + track_kwargs["musicbrainz_id"] = tags.get("musicbrainz-trackid", [None])[0] + + album_kwargs["name"] = tags.get(Gst.TAG_ALBUM, [None])[0] + album_kwargs["num_tracks"] = tags.get(Gst.TAG_TRACK_COUNT, [None])[0] + album_kwargs["num_discs"] = tags.get(Gst.TAG_ALBUM_VOLUME_COUNT, [None])[0] + album_kwargs["musicbrainz_id"] = tags.get("musicbrainz-albumid", [None])[0] + + album_kwargs["date"] = tags.get(Gst.TAG_DATE, [None])[0] + if not album_kwargs["date"]: + datetime = tags.get(Gst.TAG_DATE_TIME, [None])[0] + if datetime is not None: + album_kwargs["date"] = datetime.split("T")[0] + track_kwargs["date"] = album_kwargs["date"] + + # Clear out any empty values we found + track_kwargs = {k: v for k, v in track_kwargs.items() if v} + album_kwargs = {k: v for k, v in album_kwargs.items() if v} + + # Only bother with album if we have a name to show. + if album_kwargs.get("name"): + track_kwargs["album"] = Album(**album_kwargs) + + return Track(**track_kwargs) + + +def _artists(tags, artist_name, artist_id=None, artist_sortname=None): + # Name missing, don't set artist + if not tags.get(artist_name): + return None + + # One artist name and either id or sortname, include all available fields + if len(tags[artist_name]) == 1 and ( + artist_id in tags or artist_sortname in tags + ): + attrs = {"name": tags[artist_name][0]} + if artist_id in tags: + attrs["musicbrainz_id"] = tags[artist_id][0] + if artist_sortname in tags: + attrs["sortname"] = tags[artist_sortname][0] + return [Artist(**attrs)] + + # Multiple artist, provide artists with name only to avoid ambiguity. + return [Artist(name=name) for name in tags[artist_name]] diff --git a/venv/lib/python3.7/site-packages/mopidy/audio/utils.py b/venv/lib/python3.7/site-packages/mopidy/audio/utils.py new file mode 100644 index 0000000..7ec36d3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/audio/utils.py @@ -0,0 +1,100 @@ +from mopidy import httpclient +from mopidy.internal.gi import Gst + + +def calculate_duration(num_samples, sample_rate): + """Determine duration of samples using GStreamer helper for precise + math.""" + return Gst.util_uint64_scale(num_samples, Gst.SECOND, sample_rate) + + +def create_buffer(data, timestamp=None, duration=None): + """Create a new GStreamer buffer based on provided data. + + Mainly intended to keep gst imports out of non-audio modules. + + .. versionchanged:: 2.0 + ``capabilites`` argument was removed. + """ + if not data: + raise ValueError("Cannot create buffer without data") + buffer_ = Gst.Buffer.new_wrapped(data) + if timestamp is not None: + buffer_.pts = timestamp + if duration is not None: + buffer_.duration = duration + return buffer_ + + +def millisecond_to_clocktime(value): + """Convert a millisecond time to internal GStreamer time.""" + return value * Gst.MSECOND + + +def clocktime_to_millisecond(value): + """Convert an internal GStreamer time to millisecond time.""" + return value // Gst.MSECOND + + +def supported_uri_schemes(uri_schemes): + """Determine which URIs we can actually support from provided whitelist. + + :param uri_schemes: list/set of URIs to check support for. + :type uri_schemes: list or set or URI schemes as strings. + :rtype: set of URI schemes we can support via this GStreamer install. + """ + supported_schemes = set() + registry = Gst.Registry.get() + + for factory in registry.get_feature_list(Gst.ElementFactory): + for uri in factory.get_uri_protocols(): + if uri in uri_schemes: + supported_schemes.add(uri) + + return supported_schemes + + +def setup_proxy(element, config): + """Configure a GStreamer element with proxy settings. + + :param element: element to setup proxy in. + :type element: :class:`Gst.GstElement` + :param config: proxy settings to use. + :type config: :class:`dict` + """ + if not hasattr(element.props, "proxy") or not config.get("hostname"): + return + + element.set_property("proxy", httpclient.format_proxy(config, auth=False)) + element.set_property("proxy-id", config.get("username")) + element.set_property("proxy-pw", config.get("password")) + + +class Signals: + + """Helper for tracking gobject signal registrations""" + + def __init__(self): + self._ids = {} + + def connect(self, element, event, func, *args): + """Connect a function + args to signal event on an element. + + Each event may only be handled by one callback in this implementation. + """ + assert (element, event) not in self._ids + self._ids[(element, event)] = element.connect(event, func, *args) + + def disconnect(self, element, event): + """Disconnect whatever handler we have for an element+event pair. + + Does nothing it the handler has already been removed. + """ + signal_id = self._ids.pop((element, event), None) + if signal_id is not None: + element.disconnect(signal_id) + + def clear(self): + """Clear all registered signal handlers.""" + for element, event in list(self._ids): + element.disconnect(self._ids.pop((element, event))) diff --git a/venv/lib/python3.7/site-packages/mopidy/backend.py b/venv/lib/python3.7/site-packages/mopidy/backend.py new file mode 100644 index 0000000..40b4eca --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/backend.py @@ -0,0 +1,445 @@ +import logging + +import pykka + +from mopidy import listener + +logger = logging.getLogger(__name__) + + +class Backend: + + """Backend API + + If the backend has problems during initialization it should raise + :exc:`mopidy.exceptions.BackendError` with a descriptive error message. + This will make Mopidy print the error message and exit so that the user can + fix the issue. + + :param config: the entire Mopidy configuration + :type config: dict + :param audio: actor proxy for the audio subsystem + :type audio: :class:`pykka.ActorProxy` for :class:`mopidy.audio.Audio` + """ + + #: Actor proxy to an instance of :class:`mopidy.audio.Audio`. + #: + #: Should be passed to the backend constructor as the kwarg ``audio``, + #: which will then set this field. + audio = None + + #: The library provider. An instance of + #: :class:`~mopidy.backend.LibraryProvider`, or :class:`None` if + #: the backend doesn't provide a library. + library = None + + #: The playback provider. An instance of + #: :class:`~mopidy.backend.PlaybackProvider`, or :class:`None` if + #: the backend doesn't provide playback. + playback = None + + #: The playlists provider. An instance of + #: :class:`~mopidy.backend.PlaylistsProvider`, or class:`None` if + #: the backend doesn't provide playlists. + playlists = None + + #: List of URI schemes this backend can handle. + uri_schemes = [] + + # Because the providers is marked as pykka.traversable(), we can't get() + # them from another actor, and need helper methods to check if the + # providers are set or None. + + def has_library(self): + return self.library is not None + + def has_library_browse(self): + return self.has_library() and self.library.root_directory is not None + + def has_playback(self): + return self.playback is not None + + def has_playlists(self): + return self.playlists is not None + + def ping(self): + """Called to check if the actor is still alive.""" + return True + + +@pykka.traversable +class LibraryProvider: + + """ + :param backend: backend the controller is a part of + :type backend: :class:`mopidy.backend.Backend` + """ + + root_directory = None + """ + :class:`mopidy.models.Ref.directory` instance with a URI and name set + representing the root of this library's browse tree. URIs must + use one of the schemes supported by the backend, and name should + be set to a human friendly value. + + *MUST be set by any class that implements* :meth:`LibraryProvider.browse`. + """ + + def __init__(self, backend): + self.backend = backend + + def browse(self, uri): + """ + See :meth:`mopidy.core.LibraryController.browse`. + + If you implement this method, make sure to also set + :attr:`root_directory`. + + *MAY be implemented by subclass.* + """ + return [] + + def get_distinct(self, field, query=None): + """ + See :meth:`mopidy.core.LibraryController.get_distinct`. + + *MAY be implemented by subclass.* + + Default implementation will simply return an empty set. + + Note that backends should always return an empty set for unexpected + field types. + """ + return set() + + def get_images(self, uris): + """ + See :meth:`mopidy.core.LibraryController.get_images`. + + *MAY be implemented by subclass.* + + Default implementation will simply return an empty dictionary. + """ + return {} + + def lookup(self, uri): + """ + See :meth:`mopidy.core.LibraryController.lookup`. + + *MUST be implemented by subclass.* + """ + raise NotImplementedError + + def refresh(self, uri=None): + """ + See :meth:`mopidy.core.LibraryController.refresh`. + + *MAY be implemented by subclass.* + """ + pass + + def search(self, query=None, uris=None, exact=False): + """ + See :meth:`mopidy.core.LibraryController.search`. + + *MAY be implemented by subclass.* + + .. versionadded:: 1.0 + The ``exact`` param which replaces the old ``find_exact``. + """ + pass + + +@pykka.traversable +class PlaybackProvider: + + """ + :param audio: the audio actor + :type audio: actor proxy to an instance of :class:`mopidy.audio.Audio` + :param backend: the backend + :type backend: :class:`mopidy.backend.Backend` + """ + + def __init__(self, audio, backend): + self.audio = audio + self.backend = backend + + def pause(self): + """ + Pause playback. + + *MAY be reimplemented by subclass.* + + :rtype: :class:`True` if successful, else :class:`False` + """ + return self.audio.pause_playback().get() + + def play(self): + """ + Start playback. + + *MAY be reimplemented by subclass.* + + :rtype: :class:`True` if successful, else :class:`False` + """ + return self.audio.start_playback().get() + + def prepare_change(self): + """ + Indicate that an URI change is about to happen. + + *MAY be reimplemented by subclass.* + + It is extremely unlikely it makes sense for any backends to override + this. For most practical purposes it should be considered an internal + call between backends and core that backend authors should not touch. + """ + self.audio.prepare_change().get() + + def translate_uri(self, uri): + """ + Convert custom URI scheme to real playable URI. + + *MAY be reimplemented by subclass.* + + This is very likely the *only* thing you need to override as a backend + author. Typically this is where you convert any Mopidy specific URI + to a real URI and then return it. If you can't convert the URI just + return :class:`None`. + + :param uri: the URI to translate + :type uri: string + :rtype: string or :class:`None` if the URI could not be translated + """ + return uri + + def is_live(self, uri): + """ + Decide if the URI should be threated as a live stream or not. + + *MAY be reimplemented by subclass.* + + Playing a source as a live stream disables buffering, which reduces + latency before playback starts, and discards data when paused. + + :param uri: the URI + :type uri: string + :rtype: bool + """ + return False + + def change_track(self, track): + """ + Swith to provided track. + + *MAY be reimplemented by subclass.* + + It is unlikely it makes sense for any backends to override + this. For most practical purposes it should be considered an internal + call between backends and core that backend authors should not touch. + + The default implementation will call :meth:`translate_uri` which + is what you want to implement. + + :param track: the track to play + :type track: :class:`mopidy.models.Track` + :rtype: :class:`True` if successful, else :class:`False` + """ + uri = self.translate_uri(track.uri) + if uri != track.uri: + logger.debug("Backend translated URI from %s to %s", track.uri, uri) + if not uri: + return False + self.audio.set_uri(uri, live_stream=self.is_live(uri)).get() + return True + + def resume(self): + """ + Resume playback at the same time position playback was paused. + + *MAY be reimplemented by subclass.* + + :rtype: :class:`True` if successful, else :class:`False` + """ + return self.audio.start_playback().get() + + def seek(self, time_position): + """ + Seek to a given time position. + + *MAY be reimplemented by subclass.* + + :param time_position: time position in milliseconds + :type time_position: int + :rtype: :class:`True` if successful, else :class:`False` + """ + return self.audio.set_position(time_position).get() + + def stop(self): + """ + Stop playback. + + *MAY be reimplemented by subclass.* + + Should not be used for tracking if tracks have been played or when we + are done playing them. + + :rtype: :class:`True` if successful, else :class:`False` + """ + return self.audio.stop_playback().get() + + def get_time_position(self): + """ + Get the current time position in milliseconds. + + *MAY be reimplemented by subclass.* + + :rtype: int + """ + return self.audio.get_position().get() + + +@pykka.traversable +class PlaylistsProvider: + + """ + A playlist provider exposes a collection of playlists, methods to + create/change/delete playlists in this collection, and lookup of any + playlist the backend knows about. + + :param backend: backend the controller is a part of + :type backend: :class:`mopidy.backend.Backend` instance + """ + + def __init__(self, backend): + self.backend = backend + + def as_list(self): + """ + Get a list of the currently available playlists. + + Returns a list of :class:`~mopidy.models.Ref` objects referring to the + playlists. In other words, no information about the playlists' content + is given. + + :rtype: list of :class:`mopidy.models.Ref` + + .. versionadded:: 1.0 + """ + raise NotImplementedError + + def get_items(self, uri): + """ + Get the items in a playlist specified by ``uri``. + + Returns a list of :class:`~mopidy.models.Ref` objects referring to the + playlist's items. + + If a playlist with the given ``uri`` doesn't exist, it returns + :class:`None`. + + :rtype: list of :class:`mopidy.models.Ref`, or :class:`None` + + .. versionadded:: 1.0 + """ + raise NotImplementedError + + def create(self, name): + """ + Create a new empty playlist with the given name. + + Returns a new playlist with the given name and an URI, or :class:`None` + on failure. + + *MUST be implemented by subclass.* + + :param name: name of the new playlist + :type name: string + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + raise NotImplementedError + + def delete(self, uri): + """ + Delete playlist identified by the URI. + + Returns :class:`True` if deleted, :class:`False` otherwise. + + *MUST be implemented by subclass.* + + :param uri: URI of the playlist to delete + :type uri: string + :rtype: :class:`bool` + + .. versionchanged:: 2.2 + Return type defined. + """ + raise NotImplementedError + + def lookup(self, uri): + """ + Lookup playlist with given URI in both the set of playlists and in any + other playlist source. + + Returns the playlists or :class:`None` if not found. + + *MUST be implemented by subclass.* + + :param uri: playlist URI + :type uri: string + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + raise NotImplementedError + + def refresh(self): + """ + Refresh the playlists in :attr:`playlists`. + + *MUST be implemented by subclass.* + """ + raise NotImplementedError + + def save(self, playlist): + """ + Save the given playlist. + + The playlist must have an ``uri`` attribute set. To create a new + playlist with an URI, use :meth:`create`. + + Returns the saved playlist or :class:`None` on failure. + + *MUST be implemented by subclass.* + + :param playlist: the playlist to save + :type playlist: :class:`mopidy.models.Playlist` + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + raise NotImplementedError + + +class BackendListener(listener.Listener): + + """ + Marker interface for recipients of events sent by the backend actors. + + Any Pykka actor that mixes in this class will receive calls to the methods + defined here when the corresponding events happen in a backend actor. This + interface is used both for looking up what actors to notify of the events, + and for providing default implementations for those listeners that are not + interested in all events. + + Normally, only the Core actor should mix in this class. + """ + + @staticmethod + def send(event, **kwargs): + """Helper to allow calling of backend listener events""" + listener.send(BackendListener, event, **kwargs) + + def playlists_loaded(self): + """ + Called when playlists are loaded or refreshed. + + *MAY* be implemented by actor. + """ + pass diff --git a/venv/lib/python3.7/site-packages/mopidy/commands.py b/venv/lib/python3.7/site-packages/mopidy/commands.py new file mode 100644 index 0000000..8eb345f --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/commands.py @@ -0,0 +1,489 @@ +import argparse +import collections +import contextlib +import logging +import os +import pathlib +import signal +import sys + +import pykka + +from mopidy import config as config_lib +from mopidy import exceptions +from mopidy.audio import Audio +from mopidy.core import Core +from mopidy.internal import deps, process, timer, versioning +from mopidy.internal.gi import GLib + +logger = logging.getLogger(__name__) + +_default_config = [ + (pathlib.Path(base) / "mopidy" / "mopidy.conf").resolve() + for base in GLib.get_system_config_dirs() + [GLib.get_user_config_dir()] +] +DEFAULT_CONFIG = ":".join(map(str, _default_config)) + + +def config_files_type(value): + return value.split(":") + + +def config_override_type(value): + try: + section, remainder = value.split("/", 1) + key, value = remainder.split("=", 1) + return (section.strip(), key.strip(), value.strip()) + except ValueError: + raise argparse.ArgumentTypeError( + f"{value} must have the format section/key=value" + ) + + +class _ParserError(Exception): + def __init__(self, message): + self.message = message + + +class _HelpError(Exception): + pass + + +class _ArgumentParser(argparse.ArgumentParser): + def error(self, message): + raise _ParserError(message) + + +class _HelpAction(argparse.Action): + def __init__(self, option_strings, dest=None, help=None): + super().__init__( + option_strings=option_strings, + dest=dest or argparse.SUPPRESS, + default=argparse.SUPPRESS, + nargs=0, + help=help, + ) + + def __call__(self, parser, namespace, values, option_string=None): + raise _HelpError() + + +class Command: + + """Command parser and runner for building trees of commands. + + This class provides a wraper around :class:`argparse.ArgumentParser` + for handling this type of command line application in a better way than + argprases own sub-parser handling. + """ + + help = None + #: Help text to display in help output. + + def __init__(self): + self._children = collections.OrderedDict() + self._arguments = [] + self._overrides = {} + + def _build(self): + actions = [] + parser = _ArgumentParser(add_help=False) + parser.register("action", "help", _HelpAction) + + for args, kwargs in self._arguments: + actions.append(parser.add_argument(*args, **kwargs)) + + parser.add_argument( + "_args", nargs=argparse.REMAINDER, help=argparse.SUPPRESS + ) + return parser, actions + + def add_child(self, name, command): + """Add a child parser to consider using. + + :param name: name to use for the sub-command that is being added. + :type name: string + """ + self._children[name] = command + + def add_argument(self, *args, **kwargs): + """Add an argument to the parser. + + This method takes all the same arguments as the + :class:`argparse.ArgumentParser` version of this method. + """ + self._arguments.append((args, kwargs)) + + def set(self, **kwargs): + """Override a value in the finaly result of parsing.""" + self._overrides.update(kwargs) + + def exit(self, status_code=0, message=None, usage=None): + """Optionally print a message and exit.""" + print("\n\n".join(m for m in (usage, message) if m)) + sys.exit(status_code) + + def format_usage(self, prog=None): + """Format usage for current parser.""" + actions = self._build()[1] + prog = prog or os.path.basename(sys.argv[0]) + return self._usage(actions, prog) + "\n" + + def _usage(self, actions, prog): + formatter = argparse.HelpFormatter(prog) + formatter.add_usage(None, actions, []) + return formatter.format_help().strip() + + def format_help(self, prog=None): + """Format help for current parser and children.""" + actions = self._build()[1] + prog = prog or os.path.basename(sys.argv[0]) + + formatter = argparse.HelpFormatter(prog) + formatter.add_usage(None, actions, []) + + if self.help: + formatter.add_text(self.help) + + if actions: + formatter.add_text("OPTIONS:") + formatter.start_section(None) + formatter.add_arguments(actions) + formatter.end_section() + + subhelp = [] + for name, child in self._children.items(): + child._subhelp(name, subhelp) + + if subhelp: + formatter.add_text("COMMANDS:") + subhelp.insert(0, "") + + return formatter.format_help() + "\n".join(subhelp) + + def _subhelp(self, name, result): + actions = self._build()[1] + + if self.help or actions: + formatter = argparse.HelpFormatter(name) + formatter.add_usage(None, actions, [], "") + formatter.start_section(None) + formatter.add_text(self.help) + formatter.start_section(None) + formatter.add_arguments(actions) + formatter.end_section() + formatter.end_section() + result.append(formatter.format_help()) + + for childname, child in self._children.items(): + child._subhelp(" ".join((name, childname)), result) + + def parse(self, args, prog=None): + """Parse command line arguments. + + Will recursively parse commands until a final parser is found or an + error occurs. In the case of errors we will print a message and exit. + Otherwise, any overrides are applied and the current parser stored + in the command attribute of the return value. + + :param args: list of arguments to parse + :type args: list of strings + :param prog: name to use for program + :type prog: string + :rtype: :class:`argparse.Namespace` + """ + prog = prog or os.path.basename(sys.argv[0]) + try: + return self._parse( + args, argparse.Namespace(), self._overrides.copy(), prog + ) + except _HelpError: + self.exit(0, self.format_help(prog)) + + def _parse(self, args, namespace, overrides, prog): + overrides.update(self._overrides) + parser, actions = self._build() + + try: + result = parser.parse_args(args, namespace) + except _ParserError as exc: + self.exit(1, str(exc), self._usage(actions, prog)) + + if not result._args: + for attr, value in overrides.items(): + setattr(result, attr, value) + delattr(result, "_args") + result.command = self + return result + + child = result._args.pop(0) + if child not in self._children: + usage = self._usage(actions, prog) + self.exit(1, f"unrecognized command: {child}", usage) + + return self._children[child]._parse( + result._args, result, overrides, " ".join([prog, child]) + ) + + def run(self, *args, **kwargs): + """Run the command. + + Must be implemented by sub-classes that are not simply an intermediate + in the command namespace. + """ + raise NotImplementedError + + +@contextlib.contextmanager +def _actor_error_handling(name): + try: + yield + except exceptions.BackendError as exc: + logger.error("Backend (%s) initialization error: %s", name, exc) + except exceptions.FrontendError as exc: + logger.error("Frontend (%s) initialization error: %s", name, exc) + except exceptions.MixerError as exc: + logger.error("Mixer (%s) initialization error: %s", name, exc) + except Exception: + logger.exception("Got un-handled exception from %s", name) + + +# TODO: move out of this utility class +class RootCommand(Command): + def __init__(self): + super().__init__() + self.set(base_verbosity_level=0) + self.add_argument( + "-h", "--help", action="help", help="Show this message and exit" + ) + self.add_argument( + "--version", + action="version", + version=f"Mopidy {versioning.get_version()}", + ) + self.add_argument( + "-q", + "--quiet", + action="store_const", + const=-1, + dest="verbosity_level", + help="less output (warning level)", + ) + self.add_argument( + "-v", + "--verbose", + action="count", + dest="verbosity_level", + default=0, + help="more output (repeat up to 4 times for even more)", + ) + self.add_argument( + "--config", + action="store", + dest="config_files", + type=config_files_type, + default=DEFAULT_CONFIG, + metavar="FILES", + help="config files to use, colon seperated, later files override", + ) + self.add_argument( + "-o", + "--option", + action="append", + dest="config_overrides", + type=config_override_type, + metavar="OPTIONS", + help="`section/key=value` values to override config options", + ) + + def run(self, args, config): + def on_sigterm(loop): + logger.info("GLib mainloop got SIGTERM. Exiting...") + loop.quit() + + loop = GLib.MainLoop() + GLib.unix_signal_add( + GLib.PRIORITY_DEFAULT, signal.SIGTERM, on_sigterm, loop + ) + + mixer_class = self.get_mixer_class(config, args.registry["mixer"]) + backend_classes = args.registry["backend"] + frontend_classes = args.registry["frontend"] + core = None + + exit_status_code = 0 + try: + mixer = None + if mixer_class is not None: + mixer = self.start_mixer(config, mixer_class) + if mixer: + self.configure_mixer(config, mixer) + audio = self.start_audio(config, mixer) + backends = self.start_backends(config, backend_classes, audio) + core = self.start_core(config, mixer, backends, audio) + self.start_frontends(config, frontend_classes, core) + logger.info("Starting GLib mainloop") + loop.run() + except ( + exceptions.BackendError, + exceptions.FrontendError, + exceptions.MixerError, + ): + logger.info("Initialization error. Exiting...") + exit_status_code = 1 + except KeyboardInterrupt: + logger.info("Interrupted. Exiting...") + except Exception: + logger.exception("Uncaught exception") + finally: + loop.quit() + self.stop_frontends(frontend_classes) + self.stop_core(core) + self.stop_backends(backend_classes) + self.stop_audio() + if mixer_class is not None: + self.stop_mixer(mixer_class) + process.stop_remaining_actors() + return exit_status_code + + def get_mixer_class(self, config, mixer_classes): + logger.debug( + "Available Mopidy mixers: %s", + ", ".join(m.__name__ for m in mixer_classes) or "none", + ) + + if config["audio"]["mixer"] == "none": + logger.debug("Mixer disabled") + return None + + selected_mixers = [ + m for m in mixer_classes if m.name == config["audio"]["mixer"] + ] + if len(selected_mixers) != 1: + logger.error( + 'Did not find unique mixer "%s". Alternatives are: %s', + config["audio"]["mixer"], + ", ".join([m.name for m in mixer_classes]) + ", none" or "none", + ) + process.exit_process() + return selected_mixers[0] + + def start_mixer(self, config, mixer_class): + logger.info("Starting Mopidy mixer: %s", mixer_class.__name__) + with _actor_error_handling(mixer_class.__name__): + mixer = mixer_class.start(config=config).proxy() + try: + mixer.ping().get() + return mixer + except pykka.ActorDeadError as exc: + logger.error("Actor died: %s", exc) + return None + + def configure_mixer(self, config, mixer): + volume = config["audio"]["mixer_volume"] + if volume is not None: + mixer.set_volume(volume) + logger.info("Mixer volume set to %d", volume) + else: + logger.debug("Mixer volume left unchanged") + + def start_audio(self, config, mixer): + logger.info("Starting Mopidy audio") + return Audio.start(config=config, mixer=mixer).proxy() + + def start_backends(self, config, backend_classes, audio): + logger.info( + "Starting Mopidy backends: %s", + ", ".join(b.__name__ for b in backend_classes) or "none", + ) + + backends = [] + for backend_class in backend_classes: + with _actor_error_handling(backend_class.__name__): + with timer.time_logger(backend_class.__name__): + backend = backend_class.start( + config=config, audio=audio + ).proxy() + backends.append(backend) + + # Block until all on_starts have finished, letting them run in parallel + for backend in backends[:]: + try: + backend.ping().get() + except pykka.ActorDeadError as exc: + backends.remove(backend) + logger.error("Actor died: %s", exc) + + return backends + + def start_core(self, config, mixer, backends, audio): + logger.info("Starting Mopidy core") + core = Core.start( + config=config, mixer=mixer, backends=backends, audio=audio + ).proxy() + core.setup().get() + return core + + def start_frontends(self, config, frontend_classes, core): + logger.info( + "Starting Mopidy frontends: %s", + ", ".join(f.__name__ for f in frontend_classes) or "none", + ) + + for frontend_class in frontend_classes: + with _actor_error_handling(frontend_class.__name__): + with timer.time_logger(frontend_class.__name__): + frontend_class.start(config=config, core=core) + + def stop_frontends(self, frontend_classes): + logger.info("Stopping Mopidy frontends") + for frontend_class in frontend_classes: + process.stop_actors_by_class(frontend_class) + + def stop_core(self, core): + logger.info("Stopping Mopidy core") + if core: + core.teardown().get() + process.stop_actors_by_class(Core) + + def stop_backends(self, backend_classes): + logger.info("Stopping Mopidy backends") + for backend_class in backend_classes: + process.stop_actors_by_class(backend_class) + + def stop_audio(self): + logger.info("Stopping Mopidy audio") + process.stop_actors_by_class(Audio) + + def stop_mixer(self, mixer_class): + logger.info("Stopping Mopidy mixer") + process.stop_actors_by_class(mixer_class) + + +class ConfigCommand(Command): + help = "Show currently active configuration." + + def __init__(self): + super().__init__() + self.set(base_verbosity_level=-1) + + def run(self, config, errors, schemas): + data = config_lib.format(config, schemas, errors) + + # Throw away all bytes that are not valid UTF-8 before printing + data = data.encode(errors="surrogateescape").decode(errors="replace") + + print(data) + return 0 + + +class DepsCommand(Command): + help = "Show dependencies and debug information." + + def __init__(self): + super().__init__() + self.set(base_verbosity_level=-1) + + def run(self): + print(deps.format_dependency_list()) + return 0 diff --git a/venv/lib/python3.7/site-packages/mopidy/config/__init__.py b/venv/lib/python3.7/site-packages/mopidy/config/__init__.py new file mode 100644 index 0000000..8db522c --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/__init__.py @@ -0,0 +1,321 @@ +import configparser +import itertools +import logging +import os +import pathlib +import re +from collections.abc import Mapping + +from mopidy.config import keyring +from mopidy.config.schemas import ConfigSchema, MapConfigSchema +from mopidy.config.types import ( + Boolean, + ConfigValue, + Deprecated, + DeprecatedValue, + Hostname, + Integer, + List, + LogColor, + LogLevel, + Path, + Port, + Secret, + String, +) +from mopidy.internal import path, versioning + +__all__ = [ + # TODO List everything that is reexported, not just the unused parts. + "ConfigValue", + "List", +] + +logger = logging.getLogger(__name__) + +_core_schema = ConfigSchema("core") +_core_schema["cache_dir"] = Path() +_core_schema["config_dir"] = Path() +_core_schema["data_dir"] = Path() +# MPD supports at most 10k tracks, some clients segfault when this is exceeded. +_core_schema["max_tracklist_length"] = Integer(minimum=1) +_core_schema["restore_state"] = Boolean(optional=True) + +_logging_schema = ConfigSchema("logging") +_logging_schema["verbosity"] = Integer(minimum=-1, maximum=4) +_logging_schema["format"] = String() +_logging_schema["color"] = Boolean() +_logging_schema["console_format"] = Deprecated() +_logging_schema["debug_format"] = Deprecated() +_logging_schema["debug_file"] = Deprecated() +_logging_schema["config_file"] = Path(optional=True) + +_loglevels_schema = MapConfigSchema("loglevels", LogLevel()) +_logcolors_schema = MapConfigSchema("logcolors", LogColor()) + +_audio_schema = ConfigSchema("audio") +_audio_schema["mixer"] = String() +_audio_schema["mixer_track"] = Deprecated() +_audio_schema["mixer_volume"] = Integer(optional=True, minimum=0, maximum=100) +_audio_schema["output"] = String() +_audio_schema["visualizer"] = Deprecated() +_audio_schema["buffer_time"] = Integer(optional=True, minimum=1) + +_proxy_schema = ConfigSchema("proxy") +_proxy_schema["scheme"] = String( + optional=True, choices=["http", "https", "socks4", "socks5"] +) +_proxy_schema["hostname"] = Hostname(optional=True) +_proxy_schema["port"] = Port(optional=True) +_proxy_schema["username"] = String(optional=True) +_proxy_schema["password"] = Secret(optional=True) + +# NOTE: if multiple outputs ever comes something like LogLevelConfigSchema +# _outputs_schema = config.AudioOutputConfigSchema() + +_schemas = [ + _core_schema, + _logging_schema, + _loglevels_schema, + _logcolors_schema, + _audio_schema, + _proxy_schema, +] + +_INITIAL_HELP = """ +# For further information about options in this file see: +# https://docs.mopidy.com/ +# +# The initial commented out values reflect the defaults as of: +# {versions} +# +# Available options and defaults might have changed since then, +# run `mopidy config` to see the current effective config and +# `mopidy --version` to check the current version. +""" + + +def read(config_file): + """Helper to load config defaults in same way across core and extensions""" + return pathlib.Path(config_file).read_text(errors="surrogateescape") + + +def load(files, ext_schemas, ext_defaults, overrides): + config_dir = pathlib.Path(__file__).parent + defaults = [read(config_dir / "default.conf")] + defaults.extend(ext_defaults) + raw_config = _load(files, defaults, keyring.fetch() + (overrides or [])) + + schemas = _schemas[:] + schemas.extend(ext_schemas) + return _validate(raw_config, schemas) + + +def format(config, ext_schemas, comments=None, display=True): + schemas = _schemas[:] + schemas.extend(ext_schemas) + return _format(config, comments or {}, schemas, display, False) + + +def format_initial(extensions_data): + config_dir = pathlib.Path(__file__).parent + defaults = [read(config_dir / "default.conf")] + defaults.extend(d.extension.get_default_config() for d in extensions_data) + raw_config = _load([], defaults, []) + + schemas = _schemas[:] + schemas.extend(d.extension.get_config_schema() for d in extensions_data) + + config, errors = _validate(raw_config, schemas) + + versions = [f"Mopidy {versioning.get_version()}"] + extensions_data = sorted( + extensions_data, key=lambda d: d.extension.dist_name + ) + for data in extensions_data: + versions.append(f"{data.extension.dist_name} {data.extension.version}") + + header = _INITIAL_HELP.strip().format(versions="\n# ".join(versions)) + formatted_config = _format( + config=config, comments={}, schemas=schemas, display=False, disable=True + ) + return header + "\n\n" + formatted_config + + +def _load(files, defaults, overrides): + parser = configparser.RawConfigParser() + + # TODO: simply return path to config file for defaults so we can load it + # all in the same way? + logger.info("Loading config from builtin defaults") + for default in defaults: + if isinstance(default, bytes): + default = default.decode() + parser.read_string(default) + + # Load config from a series of config files + for f in files: + f = path.expand_path(f) + if f.is_dir(): + for g in f.iterdir(): + if g.is_file() and g.suffix == ".conf": + _load_file(parser, g.resolve()) + else: + _load_file(parser, f.resolve()) + + raw_config = {} + for section in parser.sections(): + raw_config[section] = dict(parser.items(section)) + + logger.info("Loading config from command line options") + for section, key, value in overrides: + raw_config.setdefault(section, {})[key] = value + + return raw_config + + +def _load_file(parser, file_path): + if not file_path.exists(): + logger.debug( + f"Loading config from {file_path.as_uri()} failed; " + f"it does not exist" + ) + return + if not os.access(str(file_path), os.R_OK): + logger.warning( + f"Loading config from file_path.as_uri() failed; " + f"read permission missing" + ) + return + + try: + logger.info(f"Loading config from {file_path.as_uri()}") + with file_path.open("r") as fh: + parser.read_file(fh) + except configparser.MissingSectionHeaderError: + logger.warning( + f"Loading config from {file_path.as_uri()} failed; " + f"it does not have a config section" + ) + except configparser.ParsingError as e: + linenos = ", ".join(str(lineno) for lineno, line in e.errors) + logger.warning( + f"Config file {file_path.as_uri()} has errors; " + f"line {linenos} has been ignored" + ) + except OSError: + # TODO: if this is the initial load of logging config we might not + # have a logger at this point, we might want to handle this better. + logger.debug(f"Config file {file_path.as_uri()} not found; skipping") + + +def _validate(raw_config, schemas): + # Get validated config + config = {} + errors = {} + sections = set(raw_config) + for schema in schemas: + sections.discard(schema.name) + values = raw_config.get(schema.name, {}) + result, error = schema.deserialize(values) + if error: + errors[schema.name] = error + if result: + config[schema.name] = result + + for section in sections: + logger.debug(f"Ignoring unknown config section: {section}") + + return config, errors + + +def _format(config, comments, schemas, display, disable): + output = [] + for schema in schemas: + serialized = schema.serialize( + config.get(schema.name, {}), display=display + ) + if not serialized: + continue + output.append(f"[{schema.name}]") + for key, value in serialized.items(): + if isinstance(value, DeprecatedValue): + continue + comment = comments.get(schema.name, {}).get(key, "") + output.append(f"{key} =") + if value is not None: + output[-1] += " " + value + if comment: + output[-1] += " ; " + comment.capitalize() + if disable: + output[-1] = re.sub(r"^", "#", output[-1], flags=re.M) + output.append("") + return "\n".join(output).strip() + + +def _preprocess(config_string): + """Convert a raw config into a form that preserves comments etc.""" + results = ["[__COMMENTS__]"] + counter = itertools.count(0) + + section_re = re.compile(r"^(\[[^\]]+\])\s*(.+)$") + blank_line_re = re.compile(r"^\s*$") + comment_re = re.compile(r"^(#|;)") + inline_comment_re = re.compile(r" ;") + + def newlines(match): + return f"__BLANK{next(counter):d}__ =" + + def comments(match): + if match.group(1) == "#": + return f"__HASH{next(counter):d}__ =" + elif match.group(1) == ";": + return f"__SEMICOLON{next(counter):d}__ =" + + def inlinecomments(match): + return f"\n__INLINE{next(counter):d}__ =" + + def sections(match): + return ( + f"{match.group(1)}\n__SECTION{next(counter):d}__ = {match.group(2)}" + ) + + for line in config_string.splitlines(): + line = blank_line_re.sub(newlines, line) + line = section_re.sub(sections, line) + line = comment_re.sub(comments, line) + line = inline_comment_re.sub(inlinecomments, line) + results.append(line) + return "\n".join(results) + + +def _postprocess(config_string): + """Converts a preprocessed config back to original form.""" + flags = re.IGNORECASE | re.MULTILINE + result = re.sub(r"^\[__COMMENTS__\](\n|$)", "", config_string, flags=flags) + result = re.sub(r"\n__INLINE\d+__ =(.*)$", r" ;\g<1>", result, flags=flags) + result = re.sub(r"^__HASH\d+__ =(.*)$", r"#\g<1>", result, flags=flags) + result = re.sub(r"^__SEMICOLON\d+__ =(.*)$", r";\g<1>", result, flags=flags) + result = re.sub(r"\n__SECTION\d+__ =(.*)$", r"\g<1>", result, flags=flags) + result = re.sub(r"^__BLANK\d+__ =$", "", result, flags=flags) + return result + + +class Proxy(Mapping): + def __init__(self, data): + self._data = data + + def __getitem__(self, key): + item = self._data.__getitem__(key) + if isinstance(item, dict): + return Proxy(item) + return item + + def __iter__(self): + return self._data.__iter__() + + def __len__(self): + return self._data.__len__() + + def __repr__(self): + return f"Proxy({self._data!r})" diff --git a/venv/lib/python3.7/site-packages/mopidy/config/default.conf b/venv/lib/python3.7/site-packages/mopidy/config/default.conf new file mode 100644 index 0000000..643638f --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/default.conf @@ -0,0 +1,25 @@ +[core] +cache_dir = $XDG_CACHE_DIR/mopidy +config_dir = $XDG_CONFIG_DIR/mopidy +data_dir = $XDG_DATA_DIR/mopidy +max_tracklist_length = 10000 +restore_state = false + +[logging] +verbosity = 0 +format = %(levelname)-8s %(asctime)s [%(process)d:%(threadName)s] %(name)s\n %(message)s +color = true +config_file = + +[audio] +mixer = software +mixer_volume = +output = autoaudiosink +buffer_time = + +[proxy] +scheme = +hostname = +port = +username = +password = diff --git a/venv/lib/python3.7/site-packages/mopidy/config/keyring.py b/venv/lib/python3.7/site-packages/mopidy/config/keyring.py new file mode 100644 index 0000000..bb0a1a3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/keyring.py @@ -0,0 +1,177 @@ +import logging + +logger = logging.getLogger(__name__) + +try: + import dbus +except ImportError: + dbus = None + + +# XXX: Hack to workaround introspection bug caused by gnome-keyring, should be +# fixed by version 3.5 per: +# https://git.gnome.org/browse/gnome-keyring/commit/?id=5dccbe88eb94eea9934e2b7 +if dbus: + EMPTY_STRING = dbus.String("", variant_level=1) +else: + EMPTY_STRING = "" + + +FETCH_ERROR = ( + "Fetching passwords from your keyring failed. Any passwords " + "stored in the keyring will not be available." +) + + +def fetch(): + if not dbus: + logger.debug("%s (dbus not installed)", FETCH_ERROR) + return [] + + try: + bus = dbus.SessionBus() + except dbus.exceptions.DBusException as e: + logger.debug("%s (%s)", FETCH_ERROR, e) + return [] + + if not bus.name_has_owner("org.freedesktop.secrets"): + logger.debug( + "%s (org.freedesktop.secrets service not running)", FETCH_ERROR + ) + return [] + + service = _service(bus) + session = service.OpenSession("plain", EMPTY_STRING)[1] + items, locked = service.SearchItems({"service": "mopidy"}) + + if not locked and not items: + return [] + + if locked: + # There is a chance we can unlock without prompting the users... + items, prompt = service.Unlock(locked) + if prompt != "/": + _prompt(bus, prompt).Dismiss() + logger.debug("%s (Keyring is locked)", FETCH_ERROR) + return [] + + result = [] + secrets = service.GetSecrets(items, session, byte_arrays=True) + for item_path, values in secrets.items(): + session_path, parameters, value, content_type = values + attrs = _item_attributes(bus, item_path) + result.append((attrs["section"], attrs["key"], bytes(value))) + return result + + +def set(section, key, value): + """Store a secret config value for a given section/key. + + Indicates if storage failed or succeeded. + """ + if not dbus: + logger.debug( + "Saving %s/%s to keyring failed. (dbus not installed)", section, key + ) + return False + + try: + bus = dbus.SessionBus() + except dbus.exceptions.DBusException as e: + logger.debug("Saving %s/%s to keyring failed. (%s)", section, key, e) + return False + + if not bus.name_has_owner("org.freedesktop.secrets"): + logger.debug( + "Saving %s/%s to keyring failed. " + "(org.freedesktop.secrets service not running)", + section, + key, + ) + return False + + service = _service(bus) + collection = _collection(bus) + if not collection: + return False + + if isinstance(value, str): + value = value.encode() + + session = service.OpenSession("plain", EMPTY_STRING)[1] + secret = dbus.Struct( + (session, "", dbus.ByteArray(value), "plain/text; charset=utf8") + ) + label = f"mopidy: {section}/{key}" + attributes = {"service": "mopidy", "section": section, "key": key} + properties = { + "org.freedesktop.Secret.Item.Label": label, + "org.freedesktop.Secret.Item.Attributes": attributes, + } + + try: + item, prompt = collection.CreateItem(properties, secret, True) + except dbus.exceptions.DBusException as e: + # TODO: catch IsLocked errors etc. + logger.debug("Saving %s/%s to keyring failed. (%s)", section, key, e) + return False + + if prompt == "/": + return True + + _prompt(bus, prompt).Dismiss() + logger.debug( + "Saving secret %s/%s failed. (Keyring is locked)", section, key + ) + return False + + +def _service(bus): + return _interface( + bus, "/org/freedesktop/secrets", "org.freedesktop.Secret.Service" + ) + + +# NOTE: depending on versions and setup 'default' might not exists, so try and +# use it but fall back to the 'login' collection, and finally the 'session' one +# if all else fails. We should probably create a keyring/collection setting +# that allows users to set this so they have control over where their secrets +# get stored. +def _collection(bus): + for name in "aliases/default", "collection/login", "collection/session": + path = "/org/freedesktop/secrets/" + name + if _collection_exists(bus, path): + break + else: + return None + return _interface(bus, path, "org.freedesktop.Secret.Collection") + + +# NOTE: Hack to probe if a given collection actually exists. Needed to work +# around an introspection bug in setting passwords for non-existant aliases. +def _collection_exists(bus, path): + try: + item = _interface(bus, path, "org.freedesktop.DBus.Properties") + item.Get("org.freedesktop.Secret.Collection", "Label") + return True + except dbus.exceptions.DBusException: + return False + + +# NOTE: We could call prompt.Prompt('') to unlock the keyring when it is not +# '/', but we would then also have to arrange to setup signals to wait until +# this has been completed. So for now we just dismiss the prompt and expect +# keyrings to be unlocked. +def _prompt(bus, path): + return _interface(bus, path, "Prompt") + + +def _item_attributes(bus, path): + item = _interface(bus, path, "org.freedesktop.DBus.Properties") + result = item.Get("org.freedesktop.Secret.Item", "Attributes") + return {bytes(k): bytes(v) for k, v in result.items()} + + +def _interface(bus, path, interface): + obj = bus.get_object("org.freedesktop.secrets", path) + return dbus.Interface(obj, interface) diff --git a/venv/lib/python3.7/site-packages/mopidy/config/schemas.py b/venv/lib/python3.7/site-packages/mopidy/config/schemas.py new file mode 100644 index 0000000..df16588 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/schemas.py @@ -0,0 +1,125 @@ +import collections + +from mopidy.config import types + + +def _did_you_mean(name, choices): + """Suggest most likely setting based on levenshtein.""" + if not choices: + return None + + name = name.lower() + candidates = [(_levenshtein(name, c), c) for c in choices] + candidates.sort() + + if candidates[0][0] <= 3: + return candidates[0][1] + return None + + +def _levenshtein(a, b): + """Calculates the Levenshtein distance between a and b.""" + n, m = len(a), len(b) + if n > m: + return _levenshtein(b, a) + + current = range(n + 1) + for i in range(1, m + 1): + previous, current = current, [i] + [0] * n + for j in range(1, n + 1): + add, delete = previous[j] + 1, current[j - 1] + 1 + change = previous[j - 1] + if a[j - 1] != b[i - 1]: + change += 1 + current[j] = min(add, delete, change) + return current[n] + + +class ConfigSchema(collections.OrderedDict): + + """Logical group of config values that correspond to a config section. + + Schemas are set up by assigning config keys with config values to + instances. Once setup :meth:`deserialize` can be called with a dict of + values to process. For convienience we also support :meth:`format` method + that can used for converting the values to a dict that can be printed and + :meth:`serialize` for converting the values to a form suitable for + persistence. + """ + + def __init__(self, name): + super().__init__() + self.name = name + + def deserialize(self, values): + """Validates the given ``values`` using the config schema. + + Returns a tuple with cleaned values and errors. + """ + errors = {} + result = {} + + for key, value in values.items(): + try: + result[key] = self[key].deserialize(value) + except KeyError: # not in our schema + errors[key] = "unknown config key." + suggestion = _did_you_mean(key, self.keys()) + if suggestion: + errors[key] += f" Did you mean {suggestion!r}?" + except ValueError as e: # deserialization failed + result[key] = None + errors[key] = str(e) + + for key in self.keys(): + if isinstance(self[key], types.Deprecated): + result.pop(key, None) + elif key not in result and key not in errors: + result[key] = None + errors[key] = "config key not found." + + return result, errors + + def serialize(self, values, display=False): + """Converts the given ``values`` to a format suitable for persistence. + + If ``display`` is :class:`True` secret config values, like passwords, + will be masked out. + + Returns a dict of config keys and values.""" + result = collections.OrderedDict() + for key in self.keys(): + if key in values: + result[key] = self[key].serialize(values[key], display) + return result + + +class MapConfigSchema: + + """Schema for handling multiple unknown keys with the same type. + + Does not sub-class :class:`ConfigSchema`, but implements the same + serialize/deserialize interface. + """ + + def __init__(self, name, value_type): + self.name = name + self._value_type = value_type + + def deserialize(self, values): + errors = {} + result = {} + + for key, value in values.items(): + try: + result[key] = self._value_type.deserialize(value) + except ValueError as e: # deserialization failed + result[key] = None + errors[key] = str(e) + return result, errors + + def serialize(self, values, display=False): + result = collections.OrderedDict() + for key in sorted(values.keys()): + result[key] = self._value_type.serialize(values[key], display) + return result diff --git a/venv/lib/python3.7/site-packages/mopidy/config/types.py b/venv/lib/python3.7/site-packages/mopidy/config/types.py new file mode 100644 index 0000000..f9ffec5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/types.py @@ -0,0 +1,323 @@ +import logging +import re +import socket + +from mopidy.config import validators +from mopidy.internal import log, path + + +def decode(value): + if isinstance(value, bytes): + value = value.decode(errors="surrogateescape") + + for char in ("\\", "\n", "\t"): + value = value.replace( + char.encode(encoding="unicode-escape").decode(), char + ) + + return value + + +def encode(value): + if isinstance(value, bytes): + value = value.decode(errors="surrogateescape") + + for char in ("\\", "\n", "\t"): + value = value.replace( + char, char.encode(encoding="unicode-escape").decode() + ) + + return value + + +class DeprecatedValue: + pass + + +class ConfigValue: + """Represents a config key's value and how to handle it. + + Normally you will only be interacting with sub-classes for config values + that encode either deserialization behavior and/or validation. + + Each config value should be used for the following actions: + + 1. Deserializing from a raw string and validating, raising ValueError on + failure. + 2. Serializing a value back to a string that can be stored in a config. + 3. Formatting a value to a printable form (useful for masking secrets). + + :class:`None` values should not be deserialized, serialized or formatted, + the code interacting with the config should simply skip None config values. + """ + + def deserialize(self, value): + """Cast raw string to appropriate type.""" + return decode(value) + + def serialize(self, value, display=False): + """Convert value back to string for saving.""" + if value is None: + return "" + return str(value) + + +class Deprecated(ConfigValue): + """Deprecated value. + + Used for ignoring old config values that are no longer in use, but should + not cause the config parser to crash. + """ + + def deserialize(self, value): + return DeprecatedValue() + + def serialize(self, value, display=False): + return DeprecatedValue() + + +class String(ConfigValue): + """String value. + + Is decoded as utf-8 and \\n \\t escapes should work and be preserved. + """ + + def __init__(self, optional=False, choices=None): + self._required = not optional + self._choices = choices + + def deserialize(self, value): + value = decode(value).strip() + validators.validate_required(value, self._required) + if not value: + return None + validators.validate_choice(value, self._choices) + return value + + def serialize(self, value, display=False): + if value is None: + return "" + return encode(value) + + +class Secret(String): + """Secret string value. + + Is decoded as utf-8 and \\n \\t escapes should work and be preserved. + + Should be used for passwords, auth tokens etc. Will mask value when being + displayed. + """ + + def __init__(self, optional=False, choices=None): + self._required = not optional + self._choices = None # Choices doesn't make sense for secrets + + def serialize(self, value, display=False): + if value is not None and display: + return "********" + return super().serialize(value, display) + + +class Integer(ConfigValue): + """Integer value.""" + + def __init__( + self, minimum=None, maximum=None, choices=None, optional=False + ): + self._required = not optional + self._minimum = minimum + self._maximum = maximum + self._choices = choices + + def deserialize(self, value): + value = decode(value) + validators.validate_required(value, self._required) + if not value: + return None + value = int(value) + validators.validate_choice(value, self._choices) + validators.validate_minimum(value, self._minimum) + validators.validate_maximum(value, self._maximum) + return value + + +class Boolean(ConfigValue): + """Boolean value. + + Accepts ``1``, ``yes``, ``true``, and ``on`` with any casing as + :class:`True`. + + Accepts ``0``, ``no``, ``false``, and ``off`` with any casing as + :class:`False`. + """ + + true_values = ("1", "yes", "true", "on") + false_values = ("0", "no", "false", "off") + + def __init__(self, optional=False): + self._required = not optional + + def deserialize(self, value): + value = decode(value) + validators.validate_required(value, self._required) + if not value: + return None + if value.lower() in self.true_values: + return True + elif value.lower() in self.false_values: + return False + raise ValueError(f"invalid value for boolean: {value!r}") + + def serialize(self, value, display=False): + if value is True: + return "true" + elif value in (False, None): + return "false" + else: + raise ValueError(f"{value!r} is not a boolean") + + +class List(ConfigValue): + """List value. + + Supports elements split by commas or newlines. Newlines take presedence and + empty list items will be filtered out. + """ + + def __init__(self, optional=False): + self._required = not optional + + def deserialize(self, value): + value = decode(value) + if "\n" in value: + values = re.split(r"\s*\n\s*", value) + else: + values = re.split(r"\s*,\s*", value) + values = tuple(v.strip() for v in values if v.strip()) + validators.validate_required(values, self._required) + return tuple(values) + + def serialize(self, value, display=False): + if not value: + return "" + return "\n " + "\n ".join(encode(v) for v in value if v) + + +class LogColor(ConfigValue): + def deserialize(self, value): + value = decode(value) + validators.validate_choice(value.lower(), log.COLORS) + return value.lower() + + def serialize(self, value, display=False): + if value.lower() in log.COLORS: + return encode(value.lower()) + return "" + + +class LogLevel(ConfigValue): + """Log level value. + + Expects one of ``critical``, ``error``, ``warning``, ``info``, ``debug``, + or ``all``, with any casing. + """ + + levels = { + "critical": logging.CRITICAL, + "error": logging.ERROR, + "warning": logging.WARNING, + "info": logging.INFO, + "debug": logging.DEBUG, + "trace": log.TRACE_LOG_LEVEL, + "all": logging.NOTSET, + } + + def deserialize(self, value): + value = decode(value) + validators.validate_choice(value.lower(), self.levels.keys()) + return self.levels.get(value.lower()) + + def serialize(self, value, display=False): + lookup = {v: k for k, v in self.levels.items()} + if value in lookup: + return encode(lookup[value]) + return "" + + +class Hostname(ConfigValue): + """Network hostname value.""" + + def __init__(self, optional=False): + self._required = not optional + + def deserialize(self, value, display=False): + value = decode(value).strip() + validators.validate_required(value, self._required) + if not value: + return None + + socket_path = path.get_unix_socket_path(value) + if socket_path is not None: + path_str = Path(not self._required).deserialize(socket_path) + return f"unix:{path_str}" + + try: + socket.getaddrinfo(value, None) + except OSError: + raise ValueError("must be a resolveable hostname or valid IP") + + return value + + +class Port(Integer): + """Network port value. + + Expects integer in the range 0-65535, zero tells the kernel to simply + allocate a port for us. + """ + + def __init__(self, choices=None, optional=False): + super().__init__( + minimum=0, maximum=2 ** 16 - 1, choices=choices, optional=optional + ) + + +class _ExpandedPath(str): + def __new__(cls, original, expanded): + return super().__new__(cls, expanded) + + def __init__(self, original, expanded): + self.original = original + + +class Path(ConfigValue): + """File system path. + + The following expansions of the path will be done: + + - ``~`` to the current user's home directory + - ``$XDG_CACHE_DIR`` according to the XDG spec + - ``$XDG_CONFIG_DIR`` according to the XDG spec + - ``$XDG_DATA_DIR`` according to the XDG spec + - ``$XDG_MUSIC_DIR`` according to the XDG spec + """ + + def __init__(self, optional=False): + self._required = not optional + + def deserialize(self, value): + value = decode(value).strip() + expanded = path.expand_path(value) + validators.validate_required(value, self._required) + validators.validate_required(expanded, self._required) + if not value or expanded is None: + return None + return _ExpandedPath(value, expanded) + + def serialize(self, value, display=False): + if isinstance(value, _ExpandedPath): + value = value.original + if isinstance(value, bytes): + value = value.decode(errors="surrogateescape") + return value diff --git a/venv/lib/python3.7/site-packages/mopidy/config/validators.py b/venv/lib/python3.7/site-packages/mopidy/config/validators.py new file mode 100644 index 0000000..6f69cb5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/config/validators.py @@ -0,0 +1,39 @@ +# TODO: add validate regexp? + + +def validate_required(value, required): + """Validate that ``value`` is set if ``required`` + + Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize` on + the raw string, _not_ the converted value. + """ + if required and not value: + raise ValueError("must be set.") + + +def validate_choice(value, choices): + """Validate that ``value`` is one of the ``choices`` + + Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`. + """ + if choices is not None and value not in choices: + names = ", ".join(repr(c) for c in choices) + raise ValueError(f"must be one of {names}, not {value}.") + + +def validate_minimum(value, minimum): + """Validate that ``value`` is at least ``minimum`` + + Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`. + """ + if minimum is not None and value < minimum: + raise ValueError(f"{value!r} must be larger than {minimum!r}.") + + +def validate_maximum(value, maximum): + """Validate that ``value`` is at most ``maximum`` + + Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`. + """ + if maximum is not None and value > maximum: + raise ValueError(f"{value!r} must be smaller than {maximum!r}.") diff --git a/venv/lib/python3.7/site-packages/mopidy/core/__init__.py b/venv/lib/python3.7/site-packages/mopidy/core/__init__.py new file mode 100644 index 0000000..4e73d17 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/__init__.py @@ -0,0 +1,9 @@ +# flake8: noqa +from .actor import Core +from .history import HistoryController +from .library import LibraryController +from .listener import CoreListener +from .mixer import MixerController +from .playback import PlaybackController, PlaybackState +from .playlists import PlaylistsController +from .tracklist import TracklistController diff --git a/venv/lib/python3.7/site-packages/mopidy/core/actor.py b/venv/lib/python3.7/site-packages/mopidy/core/actor.py new file mode 100644 index 0000000..a8b07fc --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/actor.py @@ -0,0 +1,276 @@ +import collections +import itertools +import logging + +import pykka + +import mopidy +from mopidy import audio, backend, mixer +from mopidy.audio import PlaybackState +from mopidy.core.history import HistoryController +from mopidy.core.library import LibraryController +from mopidy.core.listener import CoreListener +from mopidy.core.mixer import MixerController +from mopidy.core.playback import PlaybackController +from mopidy.core.playlists import PlaylistsController +from mopidy.core.tracklist import TracklistController +from mopidy.internal import path, storage, validation, versioning +from mopidy.internal.models import CoreState + +logger = logging.getLogger(__name__) + + +class Core( + pykka.ThreadingActor, + audio.AudioListener, + backend.BackendListener, + mixer.MixerListener, +): + + library = None + """An instance of :class:`~mopidy.core.LibraryController`""" + + history = None + """An instance of :class:`~mopidy.core.HistoryController`""" + + mixer = None + """An instance of :class:`~mopidy.core.MixerController`""" + + playback = None + """An instance of :class:`~mopidy.core.PlaybackController`""" + + playlists = None + """An instance of :class:`~mopidy.core.PlaylistsController`""" + + tracklist = None + """An instance of :class:`~mopidy.core.TracklistController`""" + + def __init__(self, config=None, mixer=None, backends=None, audio=None): + super().__init__() + + self._config = config + + self.backends = Backends(backends) + + self.library = pykka.traversable( + LibraryController(backends=self.backends, core=self) + ) + self.history = pykka.traversable(HistoryController()) + self.mixer = pykka.traversable(MixerController(mixer=mixer)) + self.playback = pykka.traversable( + PlaybackController(audio=audio, backends=self.backends, core=self) + ) + self.playlists = pykka.traversable( + PlaylistsController(backends=self.backends, core=self) + ) + self.tracklist = pykka.traversable(TracklistController(core=self)) + + self.audio = audio + + def get_uri_schemes(self): + """Get list of URI schemes we can handle""" + futures = [b.uri_schemes for b in self.backends] + results = pykka.get_all(futures) + uri_schemes = itertools.chain(*results) + return sorted(uri_schemes) + + def get_version(self): + """Get version of the Mopidy core API""" + return versioning.get_version() + + def reached_end_of_stream(self): + self.playback._on_end_of_stream() + + def stream_changed(self, uri): + self.playback._on_stream_changed(uri) + + def position_changed(self, position): + self.playback._on_position_changed(position) + + def state_changed(self, old_state, new_state, target_state): + # XXX: This is a temporary fix for issue #232 while we wait for a more + # permanent solution with the implementation of issue #234. When the + # Spotify play token is lost, the Spotify backend pauses audio + # playback, but mopidy.core doesn't know this, so we need to update + # mopidy.core's state to match the actual state in mopidy.audio. If we + # don't do this, clients will think that we're still playing. + + # We ignore cases when target state is set as this is buffering + # updates (at least for now) and we need to get #234 fixed... + if ( + new_state == PlaybackState.PAUSED + and not target_state + and self.playback.get_state() != PlaybackState.PAUSED + ): + self.playback.set_state(new_state) + self.playback._trigger_track_playback_paused() + + def playlists_loaded(self): + # Forward event from backend to frontends + CoreListener.send("playlists_loaded") + + def volume_changed(self, volume): + # Forward event from mixer to frontends + CoreListener.send("volume_changed", volume=volume) + + def mute_changed(self, mute): + # Forward event from mixer to frontends + CoreListener.send("mute_changed", mute=mute) + + def tags_changed(self, tags): + if not self.audio or "title" not in tags: + return + + tags = self.audio.get_current_tags().get() + if not tags: + return + + # TODO: this is a hack to make sure we don't emit stream title changes + # for plain tracks. We need a better way to decide if something is a + # stream. + if "title" in tags and tags["title"]: + title = tags["title"][0] + current_track = self.playback.get_current_track() + if current_track is not None and current_track.name != title: + self.playback._stream_title = title + CoreListener.send("stream_title_changed", title=title) + + def setup(self): + """Do not call this function. It is for internal use at startup.""" + try: + coverage = [] + if self._config and "restore_state" in self._config["core"]: + if self._config["core"]["restore_state"]: + coverage = [ + "tracklist", + "mode", + "play-last", + "mixer", + "history", + ] + if len(coverage): + self._load_state(coverage) + except Exception as e: + logger.warn("Restore state: Unexpected error: %s", str(e)) + + def teardown(self): + """Do not call this function. It is for internal use at shutdown.""" + try: + if self._config and "restore_state" in self._config["core"]: + if self._config["core"]["restore_state"]: + self._save_state() + except Exception as e: + logger.warn("Unexpected error while saving state: %s", str(e)) + + def _get_data_dir(self): + # get or create data director for core + data_dir_path = ( + path.expand_path(self._config["core"]["data_dir"]) / "core" + ) + path.get_or_create_dir(data_dir_path) + return data_dir_path + + def _get_state_file(self): + return self._get_data_dir() / "state.json.gz" + + def _save_state(self): + """ + Save current state to disk. + """ + + state_file = self._get_state_file() + logger.info("Saving state to %s", state_file) + + data = {} + data["version"] = mopidy.__version__ + data["state"] = CoreState( + tracklist=self.tracklist._save_state(), + history=self.history._save_state(), + playback=self.playback._save_state(), + mixer=self.mixer._save_state(), + ) + storage.dump(state_file, data) + logger.debug("Saving state done") + + def _load_state(self, coverage): + """ + Restore state from disk. + + Load state from disk and restore it. Parameter ``coverage`` + limits the amount of data to restore. Possible + values for ``coverage`` (list of one or more of): + + - 'tracklist' fill the tracklist + - 'mode' set tracklist properties (consume, random, repeat, single) + - 'play-last' restore play state ('tracklist' also required) + - 'mixer' set mixer volume and mute state + - 'history' restore history + + :param coverage: amount of data to restore + :type coverage: list of strings + """ + + state_file = self._get_state_file() + logger.info("Loading state from %s", state_file) + + data = storage.load(state_file) + + try: + # Try only once. If something goes wrong, the next start is clean. + state_file.unlink() + except OSError: + logger.info("Failed to delete %s", state_file) + + if "state" in data: + core_state = data["state"] + validation.check_instance(core_state, CoreState) + self.history._load_state(core_state.history, coverage) + self.tracklist._load_state(core_state.tracklist, coverage) + self.mixer._load_state(core_state.mixer, coverage) + # playback after tracklist + self.playback._load_state(core_state.playback, coverage) + logger.debug("Loading state done") + + +class Backends(list): + def __init__(self, backends): + super().__init__(backends) + + self.with_library = collections.OrderedDict() + self.with_library_browse = collections.OrderedDict() + self.with_playback = collections.OrderedDict() + self.with_playlists = collections.OrderedDict() + + backends_by_scheme = {} + + def name(b): + return b.actor_ref.actor_class.__name__ + + for b in backends: + try: + has_library = b.has_library().get() + has_library_browse = b.has_library_browse().get() + has_playback = b.has_playback().get() + has_playlists = b.has_playlists().get() + except Exception: + self.remove(b) + logger.exception( + "Fetching backend info for %s failed", + b.actor_ref.actor_class.__name__, + ) + + for scheme in b.uri_schemes.get(): + assert scheme not in backends_by_scheme, ( + f"Cannot add URI scheme {scheme!r} for {name(b)}, " + f"it is already handled by {name(backends_by_scheme[scheme])}" + ) + backends_by_scheme[scheme] = b + + if has_library: + self.with_library[scheme] = b + if has_library_browse: + self.with_library_browse[scheme] = b + if has_playback: + self.with_playback[scheme] = b + if has_playlists: + self.with_playlists[scheme] = b diff --git a/venv/lib/python3.7/site-packages/mopidy/core/history.py b/venv/lib/python3.7/site-packages/mopidy/core/history.py new file mode 100644 index 0000000..b7e9619 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/history.py @@ -0,0 +1,73 @@ +import copy +import logging +import time + +from mopidy import models +from mopidy.internal.models import HistoryState, HistoryTrack + +logger = logging.getLogger(__name__) + + +class HistoryController: + def __init__(self): + self._history = [] + + def _add_track(self, track): + """Add track to the playback history. + + Internal method for :class:`mopidy.core.PlaybackController`. + + :param track: track to add + :type track: :class:`mopidy.models.Track` + """ + if not isinstance(track, models.Track): + raise TypeError("Only Track objects can be added to the history") + + timestamp = int(time.time() * 1000) + + name_parts = [] + if track.artists: + name_parts.append( + ", ".join([artist.name for artist in track.artists]) + ) + if track.name is not None: + name_parts.append(track.name) + name = " - ".join(name_parts) + ref = models.Ref.track(uri=track.uri, name=name) + + self._history.insert(0, (timestamp, ref)) + + def get_length(self): + """Get the number of tracks in the history. + + :returns: the history length + :rtype: int + """ + return len(self._history) + + def get_history(self): + """Get the track history. + + The timestamps are milliseconds since epoch. + + :returns: the track history + :rtype: list of (timestamp, :class:`mopidy.models.Ref`) tuples + """ + return copy.copy(self._history) + + def _save_state(self): + # 500 tracks a 3 minutes -> 24 hours history + count_max = 500 + count = 1 + history_list = [] + for timestamp, track in self._history: + history_list.append(HistoryTrack(timestamp=timestamp, track=track)) + count += 1 + if count_max < count: + logger.info("Limiting history to %s tracks", count_max) + break + return HistoryState(history=history_list) + + def _load_state(self, state, coverage): + if state and "history" in coverage: + self._history = [(h.timestamp, h.track) for h in state.history] diff --git a/venv/lib/python3.7/site-packages/mopidy/core/library.py b/venv/lib/python3.7/site-packages/mopidy/core/library.py new file mode 100644 index 0000000..b3d7630 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/library.py @@ -0,0 +1,351 @@ +import collections +import contextlib +import logging +import operator +import urllib +from collections.abc import Mapping + +from mopidy import exceptions, models +from mopidy.internal import validation + +logger = logging.getLogger(__name__) + + +@contextlib.contextmanager +def _backend_error_handling(backend, reraise=None): + try: + yield + except exceptions.ValidationError as e: + logger.error( + "%s backend returned bad data: %s", + backend.actor_ref.actor_class.__name__, + e, + ) + except Exception as e: + if reraise and isinstance(e, reraise): + raise + logger.exception( + "%s backend caused an exception.", + backend.actor_ref.actor_class.__name__, + ) + + +class LibraryController: + def __init__(self, backends, core): + self.backends = backends + self.core = core + + def _get_backend(self, uri): + uri_scheme = urllib.parse.urlparse(uri).scheme + return self.backends.with_library.get(uri_scheme, None) + + def _get_backends_to_uris(self, uris): + if uris: + backends_to_uris = collections.defaultdict(list) + for uri in uris: + backend = self._get_backend(uri) + if backend is not None: + backends_to_uris[backend].append(uri) + else: + backends_to_uris = { + b: None for b in self.backends.with_library.values() + } + return backends_to_uris + + def browse(self, uri): + """ + Browse directories and tracks at the given ``uri``. + + ``uri`` is a string which represents some directory belonging to a + backend. To get the intial root directories for backends pass + :class:`None` as the URI. + + Returns a list of :class:`mopidy.models.Ref` objects for the + directories and tracks at the given ``uri``. + + The :class:`~mopidy.models.Ref` objects representing tracks keep the + track's original URI. A matching pair of objects can look like this:: + + Track(uri='dummy:/foo.mp3', name='foo', artists=..., album=...) + Ref.track(uri='dummy:/foo.mp3', name='foo') + + The :class:`~mopidy.models.Ref` objects representing directories have + backend specific URIs. These are opaque values, so no one but the + backend that created them should try and derive any meaning from them. + The only valid exception to this is checking the scheme, as it is used + to route browse requests to the correct backend. + + For example, the dummy library's ``/bar`` directory could be returned + like this:: + + Ref.directory(uri='dummy:directory:/bar', name='bar') + + :param string uri: URI to browse + :rtype: list of :class:`mopidy.models.Ref` + + .. versionadded:: 0.18 + """ + if uri is None: + return self._roots() + elif not uri.strip(): + return [] + validation.check_uri(uri) + return self._browse(uri) + + def _roots(self): + directories = set() + backends = self.backends.with_library_browse.values() + futures = {b: b.library.root_directory for b in backends} + for backend, future in futures.items(): + with _backend_error_handling(backend): + root = future.get() + validation.check_instance(root, models.Ref) + directories.add(root) + return sorted(directories, key=operator.attrgetter("name")) + + def _browse(self, uri): + scheme = urllib.parse.urlparse(uri).scheme + backend = self.backends.with_library_browse.get(scheme) + + if not backend: + return [] + + with _backend_error_handling(backend): + result = backend.library.browse(uri).get() + validation.check_instances(result, models.Ref) + return result + + return [] + + def get_distinct(self, field, query=None): + """ + List distinct values for a given field from the library. + + This has mainly been added to support the list commands the MPD + protocol supports in a more sane fashion. Other frontends are not + recommended to use this method. + + :param string field: One of ``track``, ``artist``, ``albumartist``, + ``album``, ``composer``, ``performer``, ``date`` or ``genre``. + :param dict query: Query to use for limiting results, see + :meth:`search` for details about the query format. + :rtype: set of values corresponding to the requested field type. + + .. versionadded:: 1.0 + """ + validation.check_choice(field, validation.DISTINCT_FIELDS) + query is None or validation.check_query(query) # TODO: normalize? + + result = set() + futures = { + b: b.library.get_distinct(field, query) + for b in self.backends.with_library.values() + } + for backend, future in futures.items(): + with _backend_error_handling(backend): + values = future.get() + if values is not None: + validation.check_instances(values, str) + result.update(values) + return result + + def get_images(self, uris): + """Lookup the images for the given URIs + + Backends can use this to return image URIs for any URI they know about + be it tracks, albums, playlists. The lookup result is a dictionary + mapping the provided URIs to lists of images. + + Unknown URIs or URIs the corresponding backend couldn't find anything + for will simply return an empty list for that URI. + + :param uris: list of URIs to find images for + :type uris: list of string + :rtype: {uri: tuple of :class:`mopidy.models.Image`} + + .. versionadded:: 1.0 + """ + validation.check_uris(uris) + + futures = { + backend: backend.library.get_images(backend_uris) + for (backend, backend_uris) in self._get_backends_to_uris( + uris + ).items() + if backend_uris + } + + results = {uri: tuple() for uri in uris} + for backend, future in futures.items(): + with _backend_error_handling(backend): + if future.get() is None: + continue + validation.check_instance(future.get(), Mapping) + for uri, images in future.get().items(): + if uri not in uris: + raise exceptions.ValidationError( + f"Got unknown image URI: {uri}" + ) + validation.check_instances(images, models.Image) + results[uri] += tuple(images) + return results + + def lookup(self, uris): + """ + Lookup the given URIs. + + If the URI expands to multiple tracks, the returned list will contain + them all. + + :param uris: track URIs + :type uris: list of string + :rtype: {uri: list of :class:`mopidy.models.Track`} + """ + validation.check_uris(uris) + + futures = {} + results = {u: [] for u in uris} + + # TODO: lookup(uris) to backend APIs + for backend, backend_uris in self._get_backends_to_uris(uris).items(): + if backend_uris: + for u in backend_uris: + futures[(backend, u)] = backend.library.lookup(u) + + for (backend, u), future in futures.items(): + with _backend_error_handling(backend): + result = future.get() + if result is not None: + validation.check_instances(result, models.Track) + # TODO Consider making Track.uri field mandatory, and + # then remove this filtering of tracks without URIs. + results[u] = [r for r in result if r.uri] + + return results + + def refresh(self, uri=None): + """ + Refresh library. Limit to URI and below if an URI is given. + + :param uri: directory or track URI + :type uri: string + """ + uri is None or validation.check_uri(uri) + + futures = {} + backends = {} + uri_scheme = urllib.parse.urlparse(uri).scheme if uri else None + + for backend_scheme, backend in self.backends.with_library.items(): + backends.setdefault(backend, set()).add(backend_scheme) + + for backend, backend_schemes in backends.items(): + if uri_scheme is None or uri_scheme in backend_schemes: + futures[backend] = backend.library.refresh(uri) + + for backend, future in futures.items(): + with _backend_error_handling(backend): + future.get() + + def search(self, query, uris=None, exact=False): + """ + Search the library for tracks where ``field`` contains ``values``. + + ``field`` can be one of ``uri``, ``track_name``, ``album``, ``artist``, + ``albumartist``, ``composer``, ``performer``, ``track_no``, ``genre``, + ``date``, ``comment``, or ``any``. + + If ``uris`` is given, the search is limited to results from within the + URI roots. For example passing ``uris=['file:']`` will limit the search + to the local backend. + + Examples:: + + # Returns results matching 'a' in any backend + search({'any': ['a']}) + + # Returns results matching artist 'xyz' in any backend + search({'artist': ['xyz']}) + + # Returns results matching 'a' and 'b' and artist 'xyz' in any + # backend + search({'any': ['a', 'b'], 'artist': ['xyz']}) + + # Returns results matching 'a' if within the given URI roots + # "file:///media/music" and "spotify:" + search({'any': ['a']}, uris=['file:///media/music', 'spotify:']) + + # Returns results matching artist 'xyz' and 'abc' in any backend + search({'artist': ['xyz', 'abc']}) + + :param query: one or more queries to search for + :type query: dict + :param uris: zero or more URI roots to limit the search to + :type uris: list of string or :class:`None` + :param exact: if the search should use exact matching + :type exact: :class:`bool` + :rtype: list of :class:`mopidy.models.SearchResult` + + .. versionadded:: 1.0 + The ``exact`` keyword argument. + """ + query = _normalize_query(query) + + uris is None or validation.check_uris(uris) + validation.check_query(query) + validation.check_boolean(exact) + + if not query: + return [] + + futures = {} + for backend, backend_uris in self._get_backends_to_uris(uris).items(): + futures[backend] = backend.library.search( + query=query, uris=backend_uris, exact=exact + ) + + # Some of our tests check for LookupError to catch bad queries. This is + # silly and should be replaced with query validation before passing it + # to the backends. + reraise = (TypeError, LookupError) + + results = [] + for backend, future in futures.items(): + try: + with _backend_error_handling(backend, reraise=reraise): + result = future.get() + if result is not None: + validation.check_instance(result, models.SearchResult) + results.append(result) + except TypeError: + backend_name = backend.actor_ref.actor_class.__name__ + logger.warning( + '%s does not implement library.search() with "exact" ' + "support. Please upgrade it.", + backend_name, + ) + + return results + + +def _normalize_query(query): + broken_client = False + # TODO: this breaks if query is not a dictionary like object... + for (field, values) in query.items(): + if isinstance(values, str): + broken_client = True + query[field] = [values] + if broken_client: + logger.warning( + "A client or frontend made a broken library search. Values in " + "queries must be lists of strings, not a string. Please check what" + " sent this query and file a bug. Query: %s", + query, + ) + if not query: + logger.warning( + "A client or frontend made a library search with an empty query. " + "This is strongly discouraged. Please check what sent this query " + "and file a bug." + ) + return query diff --git a/venv/lib/python3.7/site-packages/mopidy/core/listener.py b/venv/lib/python3.7/site-packages/mopidy/core/listener.py new file mode 100644 index 0000000..b022225 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/listener.py @@ -0,0 +1,187 @@ +from mopidy import listener + + +class CoreListener(listener.Listener): + + """ + Marker interface for recipients of events sent by the core actor. + + Any Pykka actor that mixes in this class will receive calls to the methods + defined here when the corresponding events happen in the core actor. This + interface is used both for looking up what actors to notify of the events, + and for providing default implementations for those listeners that are not + interested in all events. + """ + + @staticmethod + def send(event, **kwargs): + """Helper to allow calling of core listener events""" + listener.send(CoreListener, event, **kwargs) + + def on_event(self, event, **kwargs): + """ + Called on all events. + + *MAY* be implemented by actor. By default, this method forwards the + event to the specific event methods. + + :param event: the event name + :type event: string + :param kwargs: any other arguments to the specific event handlers + """ + # Just delegate to parent, entry mostly for docs. + super().on_event(event, **kwargs) + + def track_playback_paused(self, tl_track, time_position): + """ + Called whenever track playback is paused. + + *MAY* be implemented by actor. + + :param tl_track: the track that was playing when playback paused + :type tl_track: :class:`mopidy.models.TlTrack` + :param time_position: the time position in milliseconds + :type time_position: int + """ + pass + + def track_playback_resumed(self, tl_track, time_position): + """ + Called whenever track playback is resumed. + + *MAY* be implemented by actor. + + :param tl_track: the track that was playing when playback resumed + :type tl_track: :class:`mopidy.models.TlTrack` + :param time_position: the time position in milliseconds + :type time_position: int + """ + pass + + def track_playback_started(self, tl_track): + """ + Called whenever a new track starts playing. + + *MAY* be implemented by actor. + + :param tl_track: the track that just started playing + :type tl_track: :class:`mopidy.models.TlTrack` + """ + pass + + def track_playback_ended(self, tl_track, time_position): + """ + Called whenever playback of a track ends. + + *MAY* be implemented by actor. + + :param tl_track: the track that was played before playback stopped + :type tl_track: :class:`mopidy.models.TlTrack` + :param time_position: the time position in milliseconds + :type time_position: int + """ + pass + + def playback_state_changed(self, old_state, new_state): + """ + Called whenever playback state is changed. + + *MAY* be implemented by actor. + + :param old_state: the state before the change + :type old_state: string from :class:`mopidy.core.PlaybackState` field + :param new_state: the state after the change + :type new_state: string from :class:`mopidy.core.PlaybackState` field + """ + pass + + def tracklist_changed(self): + """ + Called whenever the tracklist is changed. + + *MAY* be implemented by actor. + """ + pass + + def playlists_loaded(self): + """ + Called when playlists are loaded or refreshed. + + *MAY* be implemented by actor. + """ + pass + + def playlist_changed(self, playlist): + """ + Called whenever a playlist is changed. + + *MAY* be implemented by actor. + + :param playlist: the changed playlist + :type playlist: :class:`mopidy.models.Playlist` + """ + pass + + def playlist_deleted(self, uri): + """ + Called whenever a playlist is deleted. + + *MAY* be implemented by actor. + + :param uri: the URI of the deleted playlist + :type uri: string + """ + pass + + def options_changed(self): + """ + Called whenever an option is changed. + + *MAY* be implemented by actor. + """ + pass + + def volume_changed(self, volume): + """ + Called whenever the volume is changed. + + *MAY* be implemented by actor. + + :param volume: the new volume in the range [0..100] + :type volume: int + """ + pass + + def mute_changed(self, mute): + """ + Called whenever the mute state is changed. + + *MAY* be implemented by actor. + + :param mute: the new mute state + :type mute: boolean + """ + pass + + def seeked(self, time_position): + """ + Called whenever the time position changes by an unexpected amount, e.g. + at seek to a new time position. + + *MAY* be implemented by actor. + + :param time_position: the position that was seeked to in milliseconds + :type time_position: int + """ + pass + + def stream_title_changed(self, title): + """ + Called whenever the currently playing stream title changes. + + *MAY* be implemented by actor. + + :param title: the new stream title + :type title: string + """ + pass diff --git a/venv/lib/python3.7/site-packages/mopidy/core/mixer.py b/venv/lib/python3.7/site-packages/mopidy/core/mixer.py new file mode 100644 index 0000000..5c81cd4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/mixer.py @@ -0,0 +1,111 @@ +import contextlib +import logging + +from mopidy import exceptions +from mopidy.internal import validation +from mopidy.internal.models import MixerState + +logger = logging.getLogger(__name__) + + +@contextlib.contextmanager +def _mixer_error_handling(mixer): + try: + yield + except exceptions.ValidationError as e: + logger.error( + "%s mixer returned bad data: %s", + mixer.actor_ref.actor_class.__name__, + e, + ) + except Exception: + logger.exception( + "%s mixer caused an exception.", + mixer.actor_ref.actor_class.__name__, + ) + + +class MixerController: + def __init__(self, mixer): + self._mixer = mixer + + def get_volume(self): + """Get the volume. + + Integer in range [0..100] or :class:`None` if unknown. + + The volume scale is linear. + """ + if self._mixer is None: + return None + + with _mixer_error_handling(self._mixer): + volume = self._mixer.get_volume().get() + volume is None or validation.check_integer(volume, min=0, max=100) + return volume + + return None + + def set_volume(self, volume): + """Set the volume. + + The volume is defined as an integer in range [0..100]. + + The volume scale is linear. + + Returns :class:`True` if call is successful, otherwise :class:`False`. + """ + validation.check_integer(volume, min=0, max=100) + + if self._mixer is None: + return False # TODO: 2.0 return None + + with _mixer_error_handling(self._mixer): + result = self._mixer.set_volume(volume).get() + validation.check_instance(result, bool) + return result + + return False + + def get_mute(self): + """Get mute state. + + :class:`True` if muted, :class:`False` unmuted, :class:`None` if + unknown. + """ + if self._mixer is None: + return None + + with _mixer_error_handling(self._mixer): + mute = self._mixer.get_mute().get() + mute is None or validation.check_instance(mute, bool) + return mute + + return None + + def set_mute(self, mute): + """Set mute state. + + :class:`True` to mute, :class:`False` to unmute. + + Returns :class:`True` if call is successful, otherwise :class:`False`. + """ + validation.check_boolean(mute) + if self._mixer is None: + return False # TODO: 2.0 return None + + with _mixer_error_handling(self._mixer): + result = self._mixer.set_mute(bool(mute)).get() + validation.check_instance(result, bool) + return result + + return False + + def _save_state(self): + return MixerState(volume=self.get_volume(), mute=self.get_mute()) + + def _load_state(self, state, coverage): + if state and "mixer" in coverage: + self.set_mute(state.mute) + if state.volume: + self.set_volume(state.volume) diff --git a/venv/lib/python3.7/site-packages/mopidy/core/playback.py b/venv/lib/python3.7/site-packages/mopidy/core/playback.py new file mode 100644 index 0000000..15611d4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/playback.py @@ -0,0 +1,558 @@ +import logging +import urllib + +from pykka.messages import ProxyCall + +from mopidy.audio import PlaybackState +from mopidy.core import listener +from mopidy.internal import deprecation, models, validation + +logger = logging.getLogger(__name__) + + +class PlaybackController: + def __init__(self, audio, backends, core): + # TODO: these should be internal + self.backends = backends + self.core = core + self._audio = audio + + self._stream_title = None + self._state = PlaybackState.STOPPED + + self._current_tl_track = None + self._pending_tl_track = None + + self._pending_position = None + self._last_position = None + self._previous = False + + self._start_at_position = None + self._start_paused = False + + if self._audio: + self._audio.set_about_to_finish_callback( + self._on_about_to_finish_callback + ) + + def _get_backend(self, tl_track): + if tl_track is None: + return None + uri_scheme = urllib.parse.urlparse(tl_track.track.uri).scheme + return self.backends.with_playback.get(uri_scheme, None) + + def get_current_tl_track(self): + """Get the currently playing or selected track. + + Returns a :class:`mopidy.models.TlTrack` or :class:`None`. + """ + return self._current_tl_track + + def _set_current_tl_track(self, value): + """Set the currently playing or selected track. + + *Internal:* This is only for use by Mopidy's test suite. + """ + self._current_tl_track = value + + def get_current_track(self): + """ + Get the currently playing or selected track. + + Extracted from :meth:`get_current_tl_track` for convenience. + + Returns a :class:`mopidy.models.Track` or :class:`None`. + """ + return getattr(self.get_current_tl_track(), "track", None) + + def get_current_tlid(self): + """ + Get the currently playing or selected TLID. + + Extracted from :meth:`get_current_tl_track` for convenience. + + Returns a :class:`int` or :class:`None`. + + .. versionadded:: 1.1 + """ + return getattr(self.get_current_tl_track(), "tlid", None) + + def get_stream_title(self): + """Get the current stream title or :class:`None`.""" + return self._stream_title + + def get_state(self): + """Get The playback state.""" + + return self._state + + def set_state(self, new_state): + """Set the playback state. + + Must be :attr:`PLAYING`, :attr:`PAUSED`, or :attr:`STOPPED`. + + Possible states and transitions: + + .. digraph:: state_transitions + + "STOPPED" -> "PLAYING" [ label="play" ] + "STOPPED" -> "PAUSED" [ label="pause" ] + "PLAYING" -> "STOPPED" [ label="stop" ] + "PLAYING" -> "PAUSED" [ label="pause" ] + "PLAYING" -> "PLAYING" [ label="play" ] + "PAUSED" -> "PLAYING" [ label="resume" ] + "PAUSED" -> "STOPPED" [ label="stop" ] + """ + validation.check_choice(new_state, validation.PLAYBACK_STATES) + + (old_state, self._state) = (self.get_state(), new_state) + logger.debug("Changing state: %s -> %s", old_state, new_state) + + self._trigger_playback_state_changed(old_state, new_state) + + def get_time_position(self): + """Get time position in milliseconds.""" + if self._pending_position is not None: + return self._pending_position + backend = self._get_backend(self.get_current_tl_track()) + if backend: + # TODO: Wrap backend call in error handling. + return backend.playback.get_time_position().get() + else: + return 0 + + def _on_end_of_stream(self): + self.set_state(PlaybackState.STOPPED) + if self._current_tl_track: + self._trigger_track_playback_ended(self.get_time_position()) + self._set_current_tl_track(None) + + def _on_stream_changed(self, uri): + if self._last_position is None: + position = self.get_time_position() + else: + # This code path handles the stop() case, uri should be none. + position, self._last_position = self._last_position, None + + if self._pending_position is None: + self._trigger_track_playback_ended(position) + + self._stream_title = None + if self._pending_tl_track: + self._set_current_tl_track(self._pending_tl_track) + self._pending_tl_track = None + + if self._pending_position is None: + self.set_state(PlaybackState.PLAYING) + self._trigger_track_playback_started() + seek_ok = False + if self._start_at_position: + seek_ok = self.seek(self._start_at_position) + self._start_at_position = None + if not seek_ok and self._start_paused: + self.pause() + self._start_paused = False + else: + self._seek(self._pending_position) + + def _on_position_changed(self, position): + if self._pending_position is not None: + self._trigger_seeked(self._pending_position) + self._pending_position = None + if self._start_paused: + self._start_paused = False + self.pause() + + def _on_about_to_finish_callback(self): + """Callback that performs a blocking actor call to the real callback. + + This is passed to audio, which is allowed to call this code from the + audio thread. We pass execution into the core actor to ensure that + there is no unsafe access of state in core. This must block until + we get a response. + """ + self.core.actor_ref.ask( + ProxyCall( + attr_path=["playback", "_on_about_to_finish"], + args=[], + kwargs={}, + ) + ) + + def _on_about_to_finish(self): + if self._state == PlaybackState.STOPPED: + return + + # Unless overridden by other calls (e.g. next / previous / stop) this + # will be the last position recorded until the track gets reassigned. + # TODO: Check if case when track.length isn't populated needs to be + # handled. + self._last_position = self._current_tl_track.track.length + + pending = self.core.tracklist.eot_track(self._current_tl_track) + # avoid endless loop if 'repeat' is 'true' and no track is playable + # * 2 -> second run to get all playable track in a shuffled playlist + count = self.core.tracklist.get_length() * 2 + + while pending: + backend = self._get_backend(pending) + if backend: + try: + if backend.playback.change_track(pending.track).get(): + self._pending_tl_track = pending + break + except Exception: + logger.exception( + "%s backend caused an exception.", + backend.actor_ref.actor_class.__name__, + ) + + self.core.tracklist._mark_unplayable(pending) + pending = self.core.tracklist.eot_track(pending) + count -= 1 + if not count: + logger.info("No playable track in the list.") + break + + def _on_tracklist_change(self): + """ + Tell the playback controller that the current playlist has changed. + + Used by :class:`mopidy.core.TracklistController`. + """ + tl_tracks = self.core.tracklist.get_tl_tracks() + if not tl_tracks: + self.stop() + self._set_current_tl_track(None) + elif self.get_current_tl_track() not in tl_tracks: + self._set_current_tl_track(None) + + def next(self): + """ + Change to the next track. + + The current playback state will be kept. If it was playing, playing + will continue. If it was paused, it will still be paused, etc. + """ + state = self.get_state() + current = self._pending_tl_track or self._current_tl_track + # avoid endless loop if 'repeat' is 'true' and no track is playable + # * 2 -> second run to get all playable track in a shuffled playlist + count = self.core.tracklist.get_length() * 2 + + while current: + pending = self.core.tracklist.next_track(current) + if self._change(pending, state): + break + else: + self.core.tracklist._mark_unplayable(pending) + # TODO: this could be needed to prevent a loop in rare cases + # if current == pending: + # break + current = pending + count -= 1 + if not count: + logger.info("No playable track in the list.") + break + + # TODO return result? + + def pause(self): + """Pause playback.""" + backend = self._get_backend(self.get_current_tl_track()) + # TODO: Wrap backend call in error handling. + if not backend or backend.playback.pause().get(): + # TODO: switch to: + # backend.track(pause) + # wait for state change? + self.set_state(PlaybackState.PAUSED) + self._trigger_track_playback_paused() + + def play(self, tl_track=None, tlid=None): + """ + Play the given track, or if the given tl_track and tlid is + :class:`None`, play the currently active track. + + Note that the track **must** already be in the tracklist. + + .. deprecated:: 3.0 + The ``tl_track`` argument. Use ``tlid`` instead. + + :param tl_track: track to play + :type tl_track: :class:`mopidy.models.TlTrack` or :class:`None` + :param tlid: TLID of the track to play + :type tlid: :class:`int` or :class:`None` + """ + if sum(o is not None for o in [tl_track, tlid]) > 1: + raise ValueError('At most one of "tl_track" and "tlid" may be set') + + tl_track is None or validation.check_instance(tl_track, models.TlTrack) + tlid is None or validation.check_integer(tlid, min=1) + + if tl_track: + deprecation.warn("core.playback.play:tl_track_kwarg") + + if tl_track is None and tlid is not None: + for tl_track in self.core.tracklist.get_tl_tracks(): + if tl_track.tlid == tlid: + break + else: + tl_track = None + + if tl_track is not None: + # TODO: allow from outside tracklist, would make sense given refs? + assert tl_track in self.core.tracklist.get_tl_tracks() + elif tl_track is None and self.get_state() == PlaybackState.PAUSED: + self.resume() + return + + current = self._pending_tl_track or self._current_tl_track + pending = tl_track or current or self.core.tracklist.next_track(None) + # avoid endless loop if 'repeat' is 'true' and no track is playable + # * 2 -> second run to get all playable track in a shuffled playlist + count = self.core.tracklist.get_length() * 2 + + while pending: + if self._change(pending, PlaybackState.PLAYING): + break + else: + self.core.tracklist._mark_unplayable(pending) + current = pending + pending = self.core.tracklist.next_track(current) + count -= 1 + if not count: + logger.info("No playable track in the list.") + break + + # TODO return result? + + def _change(self, pending_tl_track, state): + self._pending_tl_track = pending_tl_track + + if not pending_tl_track: + self.stop() + self._on_end_of_stream() # pretend an EOS happened for cleanup + return True + + backend = self._get_backend(pending_tl_track) + if not backend: + return False + + # This must happen before prepare_change gets called, otherwise the + # backend flushes the information of the track. + self._last_position = self.get_time_position() + + # TODO: Wrap backend call in error handling. + backend.playback.prepare_change() + + try: + if not backend.playback.change_track(pending_tl_track.track).get(): + return False + except Exception: + logger.exception( + "%s backend caused an exception.", + backend.actor_ref.actor_class.__name__, + ) + return False + + # TODO: Wrap backend calls in error handling. + if state == PlaybackState.PLAYING: + try: + return backend.playback.play().get() + except TypeError: + # TODO: check by binding against underlying play method using + # inspect and otherwise re-raise? + logger.error( + "%s needs to be updated to work with this " + "version of Mopidy.", + backend, + ) + return False + elif state == PlaybackState.PAUSED: + return backend.playback.pause().get() + elif state == PlaybackState.STOPPED: + # TODO: emit some event now? + self._current_tl_track = self._pending_tl_track + self._pending_tl_track = None + return True + + raise Exception(f"Unknown state: {state}") + + def previous(self): + """ + Change to the previous track. + + The current playback state will be kept. If it was playing, playing + will continue. If it was paused, it will still be paused, etc. + """ + self._previous = True + state = self.get_state() + current = self._pending_tl_track or self._current_tl_track + # avoid endless loop if 'repeat' is 'true' and no track is playable + # * 2 -> second run to get all playable track in a shuffled playlist + count = self.core.tracklist.get_length() * 2 + + while current: + pending = self.core.tracklist.previous_track(current) + if self._change(pending, state): + break + else: + self.core.tracklist._mark_unplayable(pending) + # TODO: this could be needed to prevent a loop in rare cases + # if current == pending: + # break + current = pending + count -= 1 + if not count: + logger.info("No playable track in the list.") + break + + # TODO: no return value? + + def resume(self): + """If paused, resume playing the current track.""" + if self.get_state() != PlaybackState.PAUSED: + return + backend = self._get_backend(self.get_current_tl_track()) + # TODO: Wrap backend call in error handling. + if backend and backend.playback.resume().get(): + self.set_state(PlaybackState.PLAYING) + # TODO: trigger via gst messages + self._trigger_track_playback_resumed() + # TODO: switch to: + # backend.resume() + # wait for state change? + + def seek(self, time_position): + """ + Seeks to time position given in milliseconds. + + :param time_position: time position in milliseconds + :type time_position: int + :rtype: :class:`True` if successful, else :class:`False` + """ + # TODO: seek needs to take pending tracks into account :( + validation.check_integer(time_position) + + if time_position < 0: + logger.debug("Client seeked to negative position. Seeking to zero.") + time_position = 0 + + if not self.core.tracklist.get_length(): + return False + + if self.get_state() == PlaybackState.STOPPED: + self.play() + + # We need to prefer the still playing track, but if nothing is playing + # we fall back to the pending one. + tl_track = self._current_tl_track or self._pending_tl_track + if tl_track and tl_track.track.length is None: + return False + + if time_position < 0: + time_position = 0 + elif time_position > tl_track.track.length: + # TODO: GStreamer will trigger a about-to-finish for us, use that? + self.next() + return True + + # Store our target position. + self._pending_position = time_position + + # Make sure we switch back to previous track if we get a seek while we + # have a pending track. + if self._current_tl_track and self._pending_tl_track: + self._change(self._current_tl_track, self.get_state()) + else: + return self._seek(time_position) + + def _seek(self, time_position): + backend = self._get_backend(self.get_current_tl_track()) + if not backend: + return False + # TODO: Wrap backend call in error handling. + return backend.playback.seek(time_position).get() + + def stop(self): + """Stop playing.""" + if self.get_state() != PlaybackState.STOPPED: + self._last_position = self.get_time_position() + backend = self._get_backend(self.get_current_tl_track()) + # TODO: Wrap backend call in error handling. + if not backend or backend.playback.stop().get(): + self.set_state(PlaybackState.STOPPED) + + def _trigger_track_playback_paused(self): + logger.debug("Triggering track playback paused event") + if self.get_current_tl_track() is None: + return + listener.CoreListener.send( + "track_playback_paused", + tl_track=self.get_current_tl_track(), + time_position=self.get_time_position(), + ) + + def _trigger_track_playback_resumed(self): + logger.debug("Triggering track playback resumed event") + if self.get_current_tl_track() is None: + return + listener.CoreListener.send( + "track_playback_resumed", + tl_track=self.get_current_tl_track(), + time_position=self.get_time_position(), + ) + + def _trigger_track_playback_started(self): + if self.get_current_tl_track() is None: + return + + logger.debug("Triggering track playback started event") + tl_track = self.get_current_tl_track() + self.core.tracklist._mark_playing(tl_track) + self.core.history._add_track(tl_track.track) + listener.CoreListener.send("track_playback_started", tl_track=tl_track) + + def _trigger_track_playback_ended(self, time_position_before_stop): + tl_track = self.get_current_tl_track() + if tl_track is None: + return + + logger.debug("Triggering track playback ended event") + + if not self._previous: + self.core.tracklist._mark_played(self._current_tl_track) + self._previous = False + + # TODO: Use the lowest of track duration and position. + listener.CoreListener.send( + "track_playback_ended", + tl_track=tl_track, + time_position=time_position_before_stop, + ) + + def _trigger_playback_state_changed(self, old_state, new_state): + logger.debug("Triggering playback state change event") + listener.CoreListener.send( + "playback_state_changed", old_state=old_state, new_state=new_state + ) + + def _trigger_seeked(self, time_position): + # TODO: Trigger this from audio events? + logger.debug("Triggering seeked event") + listener.CoreListener.send("seeked", time_position=time_position) + + def _save_state(self): + return models.PlaybackState( + tlid=self.get_current_tlid(), + time_position=self.get_time_position(), + state=self.get_state(), + ) + + def _load_state(self, state, coverage): + if state and "play-last" in coverage and state.tlid is not None: + if state.state == PlaybackState.PAUSED: + self._start_paused = True + if state.state in (PlaybackState.PLAYING, PlaybackState.PAUSED): + self._start_at_position = state.time_position + self.play(tlid=state.tlid) diff --git a/venv/lib/python3.7/site-packages/mopidy/core/playlists.py b/venv/lib/python3.7/site-packages/mopidy/core/playlists.py new file mode 100644 index 0000000..5dff83c --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/playlists.py @@ -0,0 +1,280 @@ +import contextlib +import logging +import urllib + +from mopidy import exceptions +from mopidy.core import listener +from mopidy.internal import validation +from mopidy.models import Playlist, Ref + +logger = logging.getLogger(__name__) + + +@contextlib.contextmanager +def _backend_error_handling(backend, reraise=None): + try: + yield + except exceptions.ValidationError as e: + logger.error( + "%s backend returned bad data: %s", + backend.actor_ref.actor_class.__name__, + e, + ) + except Exception as e: + if reraise and isinstance(e, reraise): + raise + logger.exception( + "%s backend caused an exception.", + backend.actor_ref.actor_class.__name__, + ) + + +class PlaylistsController: + def __init__(self, backends, core): + self.backends = backends + self.core = core + + def get_uri_schemes(self): + """ + Get the list of URI schemes that support playlists. + + :rtype: list of string + + .. versionadded:: 2.0 + """ + return list(sorted(self.backends.with_playlists.keys())) + + def as_list(self): + """ + Get a list of the currently available playlists. + + Returns a list of :class:`~mopidy.models.Ref` objects referring to the + playlists. In other words, no information about the playlists' content + is given. + + :rtype: list of :class:`mopidy.models.Ref` + + .. versionadded:: 1.0 + """ + futures = { + backend: backend.playlists.as_list() + for backend in set(self.backends.with_playlists.values()) + } + + results = [] + for b, future in futures.items(): + try: + with _backend_error_handling(b, reraise=NotImplementedError): + playlists = future.get() + if playlists is not None: + validation.check_instances(playlists, Ref) + results.extend(playlists) + except NotImplementedError: + backend_name = b.actor_ref.actor_class.__name__ + logger.warning( + "%s does not implement playlists.as_list(). " + "Please upgrade it.", + backend_name, + ) + + return results + + def get_items(self, uri): + """ + Get the items in a playlist specified by ``uri``. + + Returns a list of :class:`~mopidy.models.Ref` objects referring to the + playlist's items. + + If a playlist with the given ``uri`` doesn't exist, it returns + :class:`None`. + + :rtype: list of :class:`mopidy.models.Ref`, or :class:`None` + + .. versionadded:: 1.0 + """ + validation.check_uri(uri) + + uri_scheme = urllib.parse.urlparse(uri).scheme + backend = self.backends.with_playlists.get(uri_scheme, None) + + if not backend: + return None + + with _backend_error_handling(backend): + items = backend.playlists.get_items(uri).get() + items is None or validation.check_instances(items, Ref) + return items + + return None + + def create(self, name, uri_scheme=None): + """ + Create a new playlist. + + If ``uri_scheme`` matches an URI scheme handled by a current backend, + that backend is asked to create the playlist. If ``uri_scheme`` is + :class:`None` or doesn't match a current backend, the first backend is + asked to create the playlist. + + All new playlists must be created by calling this method, and **not** + by creating new instances of :class:`mopidy.models.Playlist`. + + :param name: name of the new playlist + :type name: string + :param uri_scheme: use the backend matching the URI scheme + :type uri_scheme: string + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + if uri_scheme in self.backends.with_playlists: + backends = [self.backends.with_playlists[uri_scheme]] + else: + backends = self.backends.with_playlists.values() + + for backend in backends: + with _backend_error_handling(backend): + result = backend.playlists.create(name).get() + if result is None: + continue + validation.check_instance(result, Playlist) + listener.CoreListener.send("playlist_changed", playlist=result) + return result + + return None + + def delete(self, uri): + """ + Delete playlist identified by the URI. + + If the URI doesn't match the URI schemes handled by the current + backends, nothing happens. + + Returns :class:`True` if deleted, :class:`False` otherwise. + + :param uri: URI of the playlist to delete + :type uri: string + :rtype: :class:`bool` + + .. versionchanged:: 2.2 + Return type defined. + """ + validation.check_uri(uri) + + uri_scheme = urllib.parse.urlparse(uri).scheme + backend = self.backends.with_playlists.get(uri_scheme, None) + if not backend: + return False + + success = False + with _backend_error_handling(backend): + success = backend.playlists.delete(uri).get() + + if success is None: + # Return type was defined in Mopidy 2.2. Assume everything went + # well if the backend doesn't report otherwise. + success = True + + if success: + listener.CoreListener.send("playlist_deleted", uri=uri) + + return success + + def lookup(self, uri): + """ + Lookup playlist with given URI in both the set of playlists and in any + other playlist sources. Returns :class:`None` if not found. + + :param uri: playlist URI + :type uri: string + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + uri_scheme = urllib.parse.urlparse(uri).scheme + backend = self.backends.with_playlists.get(uri_scheme, None) + if not backend: + return None + + with _backend_error_handling(backend): + playlist = backend.playlists.lookup(uri).get() + playlist is None or validation.check_instance(playlist, Playlist) + return playlist + + return None + + # TODO: there is an inconsistency between library.refresh(uri) and this + # call, not sure how to sort this out. + def refresh(self, uri_scheme=None): + """ + Refresh the playlists in :attr:`playlists`. + + If ``uri_scheme`` is :class:`None`, all backends are asked to refresh. + If ``uri_scheme`` is an URI scheme handled by a backend, only that + backend is asked to refresh. If ``uri_scheme`` doesn't match any + current backend, nothing happens. + + :param uri_scheme: limit to the backend matching the URI scheme + :type uri_scheme: string + """ + # TODO: check: uri_scheme is None or uri_scheme? + + futures = {} + backends = {} + playlists_loaded = False + + for backend_scheme, backend in self.backends.with_playlists.items(): + backends.setdefault(backend, set()).add(backend_scheme) + + for backend, backend_schemes in backends.items(): + if uri_scheme is None or uri_scheme in backend_schemes: + futures[backend] = backend.playlists.refresh() + + for backend, future in futures.items(): + with _backend_error_handling(backend): + future.get() + playlists_loaded = True + + if playlists_loaded: + listener.CoreListener.send("playlists_loaded") + + def save(self, playlist): + """ + Save the playlist. + + For a playlist to be saveable, it must have the ``uri`` attribute set. + You must not set the ``uri`` atribute yourself, but use playlist + objects returned by :meth:`create` or retrieved from :attr:`playlists`, + which will always give you saveable playlists. + + The method returns the saved playlist. The return playlist may differ + from the saved playlist. E.g. if the playlist name was changed, the + returned playlist may have a different URI. The caller of this method + must throw away the playlist sent to this method, and use the + returned playlist instead. + + If the playlist's URI isn't set or doesn't match the URI scheme of a + current backend, nothing is done and :class:`None` is returned. + + :param playlist: the playlist + :type playlist: :class:`mopidy.models.Playlist` + :rtype: :class:`mopidy.models.Playlist` or :class:`None` + """ + validation.check_instance(playlist, Playlist) + + if playlist.uri is None: + return # TODO: log this problem? + + uri_scheme = urllib.parse.urlparse(playlist.uri).scheme + backend = self.backends.with_playlists.get(uri_scheme, None) + if not backend: + return None + + # TODO: we let AssertionError error through due to legacy tests :/ + with _backend_error_handling(backend, reraise=AssertionError): + playlist = backend.playlists.save(playlist).get() + playlist is None or validation.check_instance(playlist, Playlist) + if playlist: + listener.CoreListener.send( + "playlist_changed", playlist=playlist + ) + return playlist + + return None diff --git a/venv/lib/python3.7/site-packages/mopidy/core/tracklist.py b/venv/lib/python3.7/site-packages/mopidy/core/tracklist.py new file mode 100644 index 0000000..1afd37e --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/core/tracklist.py @@ -0,0 +1,620 @@ +import logging +import random + +from mopidy import exceptions +from mopidy.core import listener +from mopidy.internal import deprecation, validation +from mopidy.internal.models import TracklistState +from mopidy.models import TlTrack, Track + +logger = logging.getLogger(__name__) + + +class TracklistController: + def __init__(self, core): + self.core = core + self._next_tlid = 1 + self._tl_tracks = [] + self._version = 0 + + self._consume = False + self._random = False + self._shuffled = [] + self._repeat = False + self._single = False + + def get_tl_tracks(self): + """Get tracklist as list of :class:`mopidy.models.TlTrack`.""" + return self._tl_tracks[:] + + def get_tracks(self): + """Get tracklist as list of :class:`mopidy.models.Track`.""" + return [tl_track.track for tl_track in self._tl_tracks] + + def get_length(self): + """Get length of the tracklist.""" + return len(self._tl_tracks) + + def get_version(self): + """ + Get the tracklist version. + + Integer which is increased every time the tracklist is changed. Is not + reset before Mopidy is restarted. + """ + return self._version + + def _increase_version(self): + self._version += 1 + self.core.playback._on_tracklist_change() + self._trigger_tracklist_changed() + + def get_consume(self): + """Get consume mode. + + :class:`True` + Tracks are removed from the tracklist when they have been played. + :class:`False` + Tracks are not removed from the tracklist. + """ + return self._consume + + def set_consume(self, value): + """Set consume mode. + + :class:`True` + Tracks are removed from the tracklist when they have been played. + :class:`False` + Tracks are not removed from the tracklist. + """ + validation.check_boolean(value) + if self.get_consume() != value: + self._trigger_options_changed() + self._consume = value + + def get_random(self): + """Get random mode. + + :class:`True` + Tracks are selected at random from the tracklist. + :class:`False` + Tracks are played in the order of the tracklist. + """ + return self._random + + def set_random(self, value): + """Set random mode. + + :class:`True` + Tracks are selected at random from the tracklist. + :class:`False` + Tracks are played in the order of the tracklist. + """ + validation.check_boolean(value) + if self.get_random() != value: + self._trigger_options_changed() + if value: + self._shuffled = self.get_tl_tracks() + random.shuffle(self._shuffled) + self._random = value + + def get_repeat(self): + """ + Get repeat mode. + + :class:`True` + The tracklist is played repeatedly. + :class:`False` + The tracklist is played once. + """ + return self._repeat + + def set_repeat(self, value): + """ + Set repeat mode. + + To repeat a single track, set both ``repeat`` and ``single``. + + :class:`True` + The tracklist is played repeatedly. + :class:`False` + The tracklist is played once. + """ + validation.check_boolean(value) + if self.get_repeat() != value: + self._trigger_options_changed() + self._repeat = value + + def get_single(self): + """ + Get single mode. + + :class:`True` + Playback is stopped after current song, unless in ``repeat`` mode. + :class:`False` + Playback continues after current song. + """ + return self._single + + def set_single(self, value): + """ + Set single mode. + + :class:`True` + Playback is stopped after current song, unless in ``repeat`` mode. + :class:`False` + Playback continues after current song. + """ + validation.check_boolean(value) + if self.get_single() != value: + self._trigger_options_changed() + self._single = value + + def index(self, tl_track=None, tlid=None): + """ + The position of the given track in the tracklist. + + If neither *tl_track* or *tlid* is given we return the index of + the currently playing track. + + :param tl_track: the track to find the index of + :type tl_track: :class:`mopidy.models.TlTrack` or :class:`None` + :param tlid: TLID of the track to find the index of + :type tlid: :class:`int` or :class:`None` + :rtype: :class:`int` or :class:`None` + + .. versionadded:: 1.1 + The *tlid* parameter + """ + tl_track is None or validation.check_instance(tl_track, TlTrack) + tlid is None or validation.check_integer(tlid, min=1) + + if tl_track is None and tlid is None: + tl_track = self.core.playback.get_current_tl_track() + + if tl_track is not None: + try: + return self._tl_tracks.index(tl_track) + except ValueError: + pass + elif tlid is not None: + for i, tl_track in enumerate(self._tl_tracks): + if tl_track.tlid == tlid: + return i + return None + + def get_eot_tlid(self): + """ + The TLID of the track that will be played after the current track. + + Not necessarily the same TLID as returned by :meth:`get_next_tlid`. + + :rtype: :class:`int` or :class:`None` + + .. versionadded:: 1.1 + """ + + current_tl_track = self.core.playback.get_current_tl_track() + + with deprecation.ignore("core.tracklist.eot_track"): + eot_tl_track = self.eot_track(current_tl_track) + + return getattr(eot_tl_track, "tlid", None) + + def eot_track(self, tl_track): + """ + The track that will be played after the given track. + + Not necessarily the same track as :meth:`next_track`. + + .. deprecated:: 3.0 + Use :meth:`get_eot_tlid` instead. + + :param tl_track: the reference track + :type tl_track: :class:`mopidy.models.TlTrack` or :class:`None` + :rtype: :class:`mopidy.models.TlTrack` or :class:`None` + """ + deprecation.warn("core.tracklist.eot_track") + tl_track is None or validation.check_instance(tl_track, TlTrack) + if self.get_single() and self.get_repeat(): + return tl_track + elif self.get_single(): + return None + + # Current difference between next and EOT handling is that EOT needs to + # handle "single", with that out of the way the rest of the logic is + # shared. + return self.next_track(tl_track) + + def get_next_tlid(self): + """ + The tlid of the track that will be played if calling + :meth:`mopidy.core.PlaybackController.next()`. + + For normal playback this is the next track in the tracklist. If repeat + is enabled the next track can loop around the tracklist. When random is + enabled this should be a random track, all tracks should be played once + before the tracklist repeats. + + :rtype: :class:`int` or :class:`None` + + .. versionadded:: 1.1 + """ + current_tl_track = self.core.playback.get_current_tl_track() + + with deprecation.ignore("core.tracklist.next_track"): + next_tl_track = self.next_track(current_tl_track) + + return getattr(next_tl_track, "tlid", None) + + def next_track(self, tl_track): + """ + The track that will be played if calling + :meth:`mopidy.core.PlaybackController.next()`. + + For normal playback this is the next track in the tracklist. If repeat + is enabled the next track can loop around the tracklist. When random is + enabled this should be a random track, all tracks should be played once + before the tracklist repeats. + + .. deprecated:: 3.0 + Use :meth:`get_next_tlid` instead. + + :param tl_track: the reference track + :type tl_track: :class:`mopidy.models.TlTrack` or :class:`None` + :rtype: :class:`mopidy.models.TlTrack` or :class:`None` + """ + deprecation.warn("core.tracklist.next_track") + tl_track is None or validation.check_instance(tl_track, TlTrack) + + if not self._tl_tracks: + return None + + if self.get_random() and not self._shuffled: + if self.get_repeat() or not tl_track: + logger.debug("Shuffling tracks") + self._shuffled = self._tl_tracks[:] + random.shuffle(self._shuffled) + + if self.get_random(): + if self._shuffled: + return self._shuffled[0] + return None + + next_index = self.index(tl_track) + if next_index is None: + next_index = 0 + else: + next_index += 1 + + if self.get_repeat(): + if self.get_consume() and len(self._tl_tracks) == 1: + return None + else: + next_index %= len(self._tl_tracks) + elif next_index >= len(self._tl_tracks): + return None + + return self._tl_tracks[next_index] + + def get_previous_tlid(self): + """ + Returns the TLID of the track that will be played if calling + :meth:`mopidy.core.PlaybackController.previous()`. + + For normal playback this is the previous track in the tracklist. If + random and/or consume is enabled it should return the current track + instead. + + :rtype: :class:`int` or :class:`None` + + .. versionadded:: 1.1 + """ + current_tl_track = self.core.playback.get_current_tl_track() + + with deprecation.ignore("core.tracklist.previous_track"): + previous_tl_track = self.previous_track(current_tl_track) + + return getattr(previous_tl_track, "tlid", None) + + def previous_track(self, tl_track): + """ + Returns the track that will be played if calling + :meth:`mopidy.core.PlaybackController.previous()`. + + For normal playback this is the previous track in the tracklist. If + random and/or consume is enabled it should return the current track + instead. + + .. deprecated:: 3.0 + Use :meth:`get_previous_tlid` instead. + + :param tl_track: the reference track + :type tl_track: :class:`mopidy.models.TlTrack` or :class:`None` + :rtype: :class:`mopidy.models.TlTrack` or :class:`None` + """ + deprecation.warn("core.tracklist.previous_track") + tl_track is None or validation.check_instance(tl_track, TlTrack) + + if self.get_repeat() or self.get_consume() or self.get_random(): + return tl_track + + position = self.index(tl_track) + + if position in (None, 0): + return None + + # Since we know we are not at zero we have to be somewhere in the range + # 1 - len(tracks) Thus 'position - 1' will always be within the list. + return self._tl_tracks[position - 1] + + def add(self, tracks=None, at_position=None, uris=None): + """ + Add tracks to the tracklist. + + If ``uris`` is given instead of ``tracks``, the URIs are + looked up in the library and the resulting tracks are added to the + tracklist. + + If ``at_position`` is given, the tracks are inserted at the given + position in the tracklist. If ``at_position`` is not given, the tracks + are appended to the end of the tracklist. + + Triggers the :meth:`mopidy.core.CoreListener.tracklist_changed` event. + + :param tracks: tracks to add + :type tracks: list of :class:`mopidy.models.Track` or :class:`None` + :param at_position: position in tracklist to add tracks + :type at_position: int or :class:`None` + :param uris: list of URIs for tracks to add + :type uris: list of string or :class:`None` + :rtype: list of :class:`mopidy.models.TlTrack` + + .. versionadded:: 1.0 + The ``uris`` argument. + + .. deprecated:: 1.0 + The ``tracks`` argument. Use ``uris``. + """ + if sum(o is not None for o in [tracks, uris]) != 1: + raise ValueError('Exactly one of "tracks" or "uris" must be set') + + tracks is None or validation.check_instances(tracks, Track) + uris is None or validation.check_uris(uris) + validation.check_integer(at_position or 0) + + if tracks: + deprecation.warn("core.tracklist.add:tracks_arg") + + if tracks is None: + tracks = [] + track_map = self.core.library.lookup(uris=uris) + for uri in uris: + tracks.extend(track_map[uri]) + + tl_tracks = [] + max_length = self.core._config["core"]["max_tracklist_length"] + + for track in tracks: + if self.get_length() >= max_length: + raise exceptions.TracklistFull( + f"Tracklist may contain at most {max_length:d} tracks." + ) + + tl_track = TlTrack(self._next_tlid, track) + self._next_tlid += 1 + if at_position is not None: + self._tl_tracks.insert(at_position, tl_track) + at_position += 1 + else: + self._tl_tracks.append(tl_track) + tl_tracks.append(tl_track) + + if tl_tracks: + self._increase_version() + + return tl_tracks + + def clear(self): + """ + Clear the tracklist. + + Triggers the :meth:`mopidy.core.CoreListener.tracklist_changed` event. + """ + self._tl_tracks = [] + self._increase_version() + + def filter(self, criteria): + """ + Filter the tracklist by the given criteria. + + Each rule in the criteria consists of a model field and a list of + values to compare it against. If the model field matches any of the + values, it may be returned. + + Only tracks that match all the given criteria are returned. + + Examples:: + + # Returns tracks with TLIDs 1, 2, 3, or 4 (tracklist ID) + filter({'tlid': [1, 2, 3, 4]}) + + # Returns track with URIs 'xyz' or 'abc' + filter({'uri': ['xyz', 'abc']}) + + # Returns track with a matching TLIDs (1, 3 or 6) and a + # matching URI ('xyz' or 'abc') + filter({'tlid': [1, 3, 6], 'uri': ['xyz', 'abc']}) + + :param criteria: one or more rules to match by + :type criteria: dict, of (string, list) pairs + :rtype: list of :class:`mopidy.models.TlTrack` + """ + tlids = criteria.pop("tlid", []) + validation.check_query(criteria, validation.TRACKLIST_FIELDS) + validation.check_instances(tlids, int) + + matches = self._tl_tracks + for (key, values) in criteria.items(): + matches = [ct for ct in matches if getattr(ct.track, key) in values] + if tlids: + matches = [ct for ct in matches if ct.tlid in tlids] + return matches + + def move(self, start, end, to_position): + """ + Move the tracks in the slice ``[start:end]`` to ``to_position``. + + Triggers the :meth:`mopidy.core.CoreListener.tracklist_changed` event. + + :param start: position of first track to move + :type start: int + :param end: position after last track to move + :type end: int + :param to_position: new position for the tracks + :type to_position: int + """ + if start == end: + end += 1 + + tl_tracks = self._tl_tracks + + # TODO: use validation helpers? + assert start < end, "start must be smaller than end" + assert start >= 0, "start must be at least zero" + assert end <= len( + tl_tracks + ), "end can not be larger than tracklist length" + assert to_position >= 0, "to_position must be at least zero" + assert to_position <= len( + tl_tracks + ), "to_position can not be larger than tracklist length" + + new_tl_tracks = tl_tracks[:start] + tl_tracks[end:] + for tl_track in tl_tracks[start:end]: + new_tl_tracks.insert(to_position, tl_track) + to_position += 1 + self._tl_tracks = new_tl_tracks + self._increase_version() + + def remove(self, criteria): + """ + Remove the matching tracks from the tracklist. + + Uses :meth:`filter()` to lookup the tracks to remove. + + Triggers the :meth:`mopidy.core.CoreListener.tracklist_changed` event. + + :param criteria: one or more rules to match by + :type criteria: dict, of (string, list) pairs + :rtype: list of :class:`mopidy.models.TlTrack` that were removed + """ + tl_tracks = self.filter(criteria) + for tl_track in tl_tracks: + position = self._tl_tracks.index(tl_track) + del self._tl_tracks[position] + self._increase_version() + return tl_tracks + + def shuffle(self, start=None, end=None): + """ + Shuffles the entire tracklist. If ``start`` and ``end`` is given only + shuffles the slice ``[start:end]``. + + Triggers the :meth:`mopidy.core.CoreListener.tracklist_changed` event. + + :param start: position of first track to shuffle + :type start: int or :class:`None` + :param end: position after last track to shuffle + :type end: int or :class:`None` + """ + tl_tracks = self._tl_tracks + + # TOOD: use validation helpers? + if start is not None and end is not None: + assert start < end, "start must be smaller than end" + + if start is not None: + assert start >= 0, "start must be at least zero" + + if end is not None: + assert end <= len(tl_tracks), ( + "end can not be larger than " + "tracklist length" + ) + + before = tl_tracks[: start or 0] + shuffled = tl_tracks[start:end] + after = tl_tracks[end or len(tl_tracks) :] + random.shuffle(shuffled) + self._tl_tracks = before + shuffled + after + self._increase_version() + + def slice(self, start, end): + """ + Returns a slice of the tracklist, limited by the given start and end + positions. + + :param start: position of first track to include in slice + :type start: int + :param end: position after last track to include in slice + :type end: int + :rtype: :class:`mopidy.models.TlTrack` + """ + # TODO: validate slice? + return self._tl_tracks[start:end] + + def _mark_playing(self, tl_track): + """Internal method for :class:`mopidy.core.PlaybackController`.""" + if self.get_random() and tl_track in self._shuffled: + self._shuffled.remove(tl_track) + + def _mark_unplayable(self, tl_track): + """Internal method for :class:`mopidy.core.PlaybackController`.""" + logger.warning("Track is not playable: %s", tl_track.track.uri) + if self.get_consume() and tl_track is not None: + self.remove({"tlid": [tl_track.tlid]}) + if self.get_random() and tl_track in self._shuffled: + self._shuffled.remove(tl_track) + + def _mark_played(self, tl_track): + """Internal method for :class:`mopidy.core.PlaybackController`.""" + if self.get_consume() and tl_track is not None: + self.remove({"tlid": [tl_track.tlid]}) + return True + return False + + def _trigger_tracklist_changed(self): + if self.get_random(): + self._shuffled = self._tl_tracks[:] + random.shuffle(self._shuffled) + else: + self._shuffled = [] + + logger.debug("Triggering event: tracklist_changed()") + listener.CoreListener.send("tracklist_changed") + + def _trigger_options_changed(self): + logger.debug("Triggering options changed event") + listener.CoreListener.send("options_changed") + + def _save_state(self): + return TracklistState( + tl_tracks=self._tl_tracks, + next_tlid=self._next_tlid, + consume=self.get_consume(), + random=self.get_random(), + repeat=self.get_repeat(), + single=self.get_single(), + ) + + def _load_state(self, state, coverage): + if state: + if "mode" in coverage: + self.set_consume(state.consume) + self.set_random(state.random) + self.set_repeat(state.repeat) + self.set_single(state.single) + if "tracklist" in coverage: + self._next_tlid = max(state.next_tlid, self._next_tlid) + self._tl_tracks = list(state.tl_tracks) + self._increase_version() diff --git a/venv/lib/python3.7/site-packages/mopidy/exceptions.py b/venv/lib/python3.7/site-packages/mopidy/exceptions.py new file mode 100644 index 0000000..332f36e --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/exceptions.py @@ -0,0 +1,53 @@ +class MopidyException(Exception): + def __init__(self, message, *args, **kwargs): + super().__init__(message, *args, **kwargs) + self._message = message + + @property + def message(self): + """Reimplement message field that was deprecated in Python 2.6""" + return self._message + + @message.setter # noqa + def message(self, message): + self._message = message + + +class BackendError(MopidyException): + pass + + +class CoreError(MopidyException): + def __init__(self, message, errno=None): + super().__init__(message, errno) + self.errno = errno + + +class ExtensionError(MopidyException): + pass + + +class FrontendError(MopidyException): + pass + + +class MixerError(MopidyException): + pass + + +class ScannerError(MopidyException): + pass + + +class TracklistFull(CoreError): + def __init__(self, message, errno=None): + super().__init__(message, errno) + self.errno = errno + + +class AudioException(MopidyException): + pass + + +class ValidationError(ValueError): + pass diff --git a/venv/lib/python3.7/site-packages/mopidy/ext.py b/venv/lib/python3.7/site-packages/mopidy/ext.py new file mode 100644 index 0000000..1b4745d --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/ext.py @@ -0,0 +1,340 @@ +import collections +import logging +from collections.abc import Mapping + +import pkg_resources + +from mopidy import config as config_lib +from mopidy import exceptions +from mopidy.internal import path + +logger = logging.getLogger(__name__) + + +_extension_data_fields = [ + "extension", + "entry_point", + "config_schema", + "config_defaults", + "command", +] + +ExtensionData = collections.namedtuple("ExtensionData", _extension_data_fields) + + +class Extension: + + """Base class for Mopidy extensions""" + + dist_name = None + """The extension's distribution name, as registered on PyPI + + Example: ``Mopidy-Soundspot`` + """ + + ext_name = None + """The extension's short name, as used in setup.py and as config section + name + + Example: ``soundspot`` + """ + + version = None + """The extension's version + + Should match the :attr:`__version__` attribute on the extension's main + Python module and the version registered on PyPI. + """ + + def get_default_config(self): + """The extension's default config as a bytestring + + :returns: bytes or unicode + """ + raise NotImplementedError( + 'Add at least a config section with "enabled = true"' + ) + + def get_config_schema(self): + """The extension's config validation schema + + :returns: :class:`~mopidy.config.schemas.ConfigSchema` + """ + schema = config_lib.ConfigSchema(self.ext_name) + schema["enabled"] = config_lib.Boolean() + return schema + + @classmethod + def get_cache_dir(cls, config): + """Get or create cache directory for the extension. + + Use this directory to cache data that can safely be thrown away. + + :param config: the Mopidy config object + :return: pathlib.Path + """ + assert cls.ext_name is not None + cache_dir_path = ( + path.expand_path(config["core"]["cache_dir"]) / cls.ext_name + ) + path.get_or_create_dir(cache_dir_path) + return cache_dir_path + + @classmethod + def get_config_dir(cls, config): + """Get or create configuration directory for the extension. + + :param config: the Mopidy config object + :return: pathlib.Path + """ + assert cls.ext_name is not None + config_dir_path = ( + path.expand_path(config["core"]["config_dir"]) / cls.ext_name + ) + path.get_or_create_dir(config_dir_path) + return config_dir_path + + @classmethod + def get_data_dir(cls, config): + """Get or create data directory for the extension. + + Use this directory to store data that should be persistent. + + :param config: the Mopidy config object + :returns: pathlib.Path + """ + assert cls.ext_name is not None + data_dir_path = ( + path.expand_path(config["core"]["data_dir"]) / cls.ext_name + ) + path.get_or_create_dir(data_dir_path) + return data_dir_path + + def get_command(self): + """Command to expose to command line users running ``mopidy``. + + :returns: + Instance of a :class:`~mopidy.commands.Command` class. + """ + pass + + def validate_environment(self): + """Checks if the extension can run in the current environment. + + Dependencies described by :file:`setup.py` are checked by Mopidy, so + you should not check their presence here. + + If a problem is found, raise :exc:`~mopidy.exceptions.ExtensionError` + with a message explaining the issue. + + :raises: :exc:`~mopidy.exceptions.ExtensionError` + :returns: :class:`None` + """ + pass + + def setup(self, registry): + """ + Register the extension's components in the extension :class:`Registry`. + + For example, to register a backend:: + + def setup(self, registry): + from .backend import SoundspotBackend + registry.add('backend', SoundspotBackend) + + See :class:`Registry` for a list of registry keys with a special + meaning. Mopidy will instantiate and start any classes registered under + the ``frontend`` and ``backend`` registry keys. + + This method can also be used for other setup tasks not involving the + extension registry. + + :param registry: the extension registry + :type registry: :class:`Registry` + """ + raise NotImplementedError + + +class Registry(Mapping): + + """Registry of components provided by Mopidy extensions. + + Passed to the :meth:`~Extension.setup` method of all extensions. The + registry can be used like a dict of string keys and lists. + + Some keys have a special meaning, including, but not limited to: + + - ``backend`` is used for Mopidy backend classes. + - ``frontend`` is used for Mopidy frontend classes. + + Extensions can use the registry for allow other to extend the extension + itself. For example the ``Mopidy-Local`` historically used the + ``local:library`` key to allow other extensions to register library + providers for ``Mopidy-Local`` to use. Extensions should namespace + custom keys with the extension's :attr:`~Extension.ext_name`, + e.g. ``local:foo`` or ``http:bar``. + """ + + def __init__(self): + self._registry = {} + + def add(self, name, cls): + """Add a component to the registry. + + Multiple classes can be registered to the same name. + """ + self._registry.setdefault(name, []).append(cls) + + def __getitem__(self, name): + return self._registry.setdefault(name, []) + + def __iter__(self): + return iter(self._registry) + + def __len__(self): + return len(self._registry) + + +def load_extensions(): + """Find all installed extensions. + + :returns: list of installed extensions + """ + + installed_extensions = [] + + for entry_point in pkg_resources.iter_entry_points("mopidy.ext"): + logger.debug("Loading entry point: %s", entry_point) + try: + extension_class = entry_point.resolve() + except Exception as e: + logger.exception( + f"Failed to load extension {entry_point.name}: {e}" + ) + continue + + try: + if not issubclass(extension_class, Extension): + raise TypeError # issubclass raises TypeError on non-class + except TypeError: + logger.error( + "Entry point %s did not contain a valid extension" "class: %r", + entry_point.name, + extension_class, + ) + continue + + try: + extension = extension_class() + config_schema = extension.get_config_schema() + default_config = extension.get_default_config() + command = extension.get_command() + except Exception: + logger.exception( + "Setup of extension from entry point %s failed, " + "ignoring extension.", + entry_point.name, + ) + continue + + installed_extensions.append( + ExtensionData( + extension, entry_point, config_schema, default_config, command + ) + ) + + logger.debug( + "Loaded extension: %s %s", extension.dist_name, extension.version + ) + + names = (ed.extension.ext_name for ed in installed_extensions) + logger.debug("Discovered extensions: %s", ", ".join(names)) + return installed_extensions + + +def validate_extension_data(data): + """Verify extension's dependencies and environment. + + :param extensions: an extension to check + :returns: if extension should be run + """ + + logger.debug("Validating extension: %s", data.extension.ext_name) + + if data.extension.ext_name != data.entry_point.name: + logger.warning( + "Disabled extension %(ep)s: entry point name (%(ep)s) " + "does not match extension name (%(ext)s)", + {"ep": data.entry_point.name, "ext": data.extension.ext_name}, + ) + return False + + try: + data.entry_point.require() + except pkg_resources.DistributionNotFound as exc: + logger.info( + "Disabled extension %s: Dependency %s not found", + data.extension.ext_name, + exc, + ) + return False + except pkg_resources.VersionConflict as exc: + if len(exc.args) == 2: + found, required = exc.args + logger.info( + "Disabled extension %s: %s required, but found %s at %s", + data.extension.ext_name, + required, + found, + found.location, + ) + else: + logger.info( + "Disabled extension %s: %s", data.extension.ext_name, exc + ) + return False + + try: + data.extension.validate_environment() + except exceptions.ExtensionError as exc: + logger.info("Disabled extension %s: %s", data.extension.ext_name, exc) + return False + except Exception: + logger.exception( + "Validating extension %s failed with an exception.", + data.extension.ext_name, + ) + return False + + if not data.config_schema: + logger.error( + "Extension %s does not have a config schema, disabling.", + data.extension.ext_name, + ) + return False + elif not isinstance(data.config_schema.get("enabled"), config_lib.Boolean): + logger.error( + 'Extension %s does not have the required "enabled" config' + " option, disabling.", + data.extension.ext_name, + ) + return False + + for key, value in data.config_schema.items(): + if not isinstance(value, config_lib.ConfigValue): + logger.error( + "Extension %s config schema contains an invalid value" + ' for the option "%s", disabling.', + data.extension.ext_name, + key, + ) + return False + + if not data.config_defaults: + logger.error( + "Extension %s does not have a default config, disabling.", + data.extension.ext_name, + ) + return False + + return True diff --git a/venv/lib/python3.7/site-packages/mopidy/file/__init__.py b/venv/lib/python3.7/site-packages/mopidy/file/__init__.py new file mode 100644 index 0000000..bf5dbf9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/file/__init__.py @@ -0,0 +1,32 @@ +import logging +import os + +import mopidy +from mopidy import config, ext + +logger = logging.getLogger(__name__) + + +class Extension(ext.Extension): + + dist_name = "Mopidy-File" + ext_name = "file" + version = mopidy.__version__ + + def get_default_config(self): + conf_file = os.path.join(os.path.dirname(__file__), "ext.conf") + return config.read(conf_file) + + def get_config_schema(self): + schema = super().get_config_schema() + schema["media_dirs"] = config.List(optional=True) + schema["excluded_file_extensions"] = config.List(optional=True) + schema["show_dotfiles"] = config.Boolean(optional=True) + schema["follow_symlinks"] = config.Boolean(optional=True) + schema["metadata_timeout"] = config.Integer(optional=True) + return schema + + def setup(self, registry): + from .backend import FileBackend + + registry.add("backend", FileBackend) diff --git a/venv/lib/python3.7/site-packages/mopidy/file/backend.py b/venv/lib/python3.7/site-packages/mopidy/file/backend.py new file mode 100644 index 0000000..16cafde --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/file/backend.py @@ -0,0 +1,18 @@ +import logging + +import pykka + +from mopidy import backend +from mopidy.file import library + +logger = logging.getLogger(__name__) + + +class FileBackend(pykka.ThreadingActor, backend.Backend): + uri_schemes = ["file"] + + def __init__(self, config, audio): + super().__init__() + self.library = library.FileLibraryProvider(backend=self, config=config) + self.playback = backend.PlaybackProvider(audio=audio, backend=self) + self.playlists = None diff --git a/venv/lib/python3.7/site-packages/mopidy/file/ext.conf b/venv/lib/python3.7/site-packages/mopidy/file/ext.conf new file mode 100644 index 0000000..22b1f18 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/file/ext.conf @@ -0,0 +1,19 @@ +[file] +enabled = true +media_dirs = + $XDG_MUSIC_DIR|Music + ~/|Home +show_dotfiles = false +excluded_file_extensions = + .directory + .html + .jpeg + .jpg + .log + .nfo + .pdf + .png + .txt + .zip +follow_symlinks = false +metadata_timeout = 1000 diff --git a/venv/lib/python3.7/site-packages/mopidy/file/library.py b/venv/lib/python3.7/site-packages/mopidy/file/library.py new file mode 100644 index 0000000..58de047 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/file/library.py @@ -0,0 +1,148 @@ +import logging +import os + +from mopidy import backend, exceptions, models +from mopidy.audio import scan, tags +from mopidy.internal import path + +logger = logging.getLogger(__name__) + + +class FileLibraryProvider(backend.LibraryProvider): + """Library for browsing local files.""" + + # TODO: get_images that can pull from metadata and/or .folder.png etc? + # TODO: handle playlists? + + @property + def root_directory(self): + if not self._media_dirs: + return None + elif len(self._media_dirs) == 1: + uri = path.path_to_uri(self._media_dirs[0]["path"]) + else: + uri = "file:root" + return models.Ref.directory(name="Files", uri=uri) + + def __init__(self, backend, config): + super().__init__(backend) + self._media_dirs = list(self._get_media_dirs(config)) + self._show_dotfiles = config["file"]["show_dotfiles"] + self._excluded_file_extensions = tuple( + file_ext.lower() + for file_ext in config["file"]["excluded_file_extensions"] + ) + self._follow_symlinks = config["file"]["follow_symlinks"] + + self._scanner = scan.Scanner(timeout=config["file"]["metadata_timeout"]) + + def browse(self, uri): + logger.debug("Browsing files at: %s", uri) + result = [] + local_path = path.uri_to_path(uri) + + if str(local_path) == "root": + return list(self._get_media_dirs_refs()) + + if not self._is_in_basedir(local_path): + logger.warning( + "Rejected attempt to browse path (%s) outside dirs defined " + "in file/media_dirs config.", + uri, + ) + return [] + + for dir_entry in local_path.iterdir(): + child_path = dir_entry.resolve() + uri = path.path_to_uri(child_path) + + if not self._show_dotfiles and dir_entry.name.startswith("."): + continue + + if ( + self._excluded_file_extensions + and dir_entry.suffix in self._excluded_file_extensions + ): + continue + + if child_path.is_symlink() and not self._follow_symlinks: + logger.debug("Ignoring symlink: %s", uri) + continue + + if not self._is_in_basedir(child_path): + logger.debug("Ignoring symlink to outside base dir: %s", uri) + continue + + if child_path.is_dir(): + result.append( + models.Ref.directory(name=dir_entry.name, uri=uri) + ) + elif child_path.is_file(): + result.append(models.Ref.track(name=dir_entry.name, uri=uri)) + + def order(item): + return (item.type != models.Ref.DIRECTORY, item.name) + + result.sort(key=order) + + return result + + def lookup(self, uri): + logger.debug("Looking up file URI: %s", uri) + local_path = path.uri_to_path(uri) + + try: + result = self._scanner.scan(uri) + track = tags.convert_tags_to_track(result.tags).replace( + uri=uri, length=result.duration + ) + except exceptions.ScannerError as e: + logger.warning("Failed looking up %s: %s", uri, e) + track = models.Track(uri=uri) + + if not track.name: + track = track.replace(name=local_path.name) + + return [track] + + def _get_media_dirs(self, config): + for entry in config["file"]["media_dirs"]: + media_dir = {} + media_dir_split = entry.split("|", 1) + local_path = path.expand_path(media_dir_split[0]) + + if local_path is None: + logger.debug( + "Failed expanding path (%s) from file/media_dirs config " + "value.", + media_dir_split[0], + ) + continue + elif not local_path.is_dir(): + logger.warning( + "%s is not a directory. Please create the directory or " + "update the file/media_dirs config value.", + local_path, + ) + continue + + media_dir["path"] = local_path + if len(media_dir_split) == 2: + media_dir["name"] = media_dir_split[1] + else: + # TODO Mpd client should accept / in dir name + media_dir["name"] = media_dir_split[0].replace(os.sep, "+") + + yield media_dir + + def _get_media_dirs_refs(self): + for media_dir in self._media_dirs: + yield models.Ref.directory( + name=media_dir["name"], uri=path.path_to_uri(media_dir["path"]) + ) + + def _is_in_basedir(self, local_path): + return any( + path.is_path_inside_base_dir(local_path, media_dir["path"]) + for media_dir in self._media_dirs + ) diff --git a/venv/lib/python3.7/site-packages/mopidy/http/__init__.py b/venv/lib/python3.7/site-packages/mopidy/http/__init__.py new file mode 100644 index 0000000..7a9fa05 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/__init__.py @@ -0,0 +1,53 @@ +import logging +import os + +import mopidy +from mopidy import config as config_lib +from mopidy import exceptions, ext + +logger = logging.getLogger(__name__) + + +class Extension(ext.Extension): + dist_name = "Mopidy-HTTP" + ext_name = "http" + version = mopidy.__version__ + + def get_default_config(self): + conf_file = os.path.join(os.path.dirname(__file__), "ext.conf") + return config_lib.read(conf_file) + + def get_config_schema(self): + schema = super().get_config_schema() + schema["hostname"] = config_lib.Hostname() + schema["port"] = config_lib.Port() + schema["static_dir"] = config_lib.Deprecated() + schema["zeroconf"] = config_lib.String(optional=True) + schema["allowed_origins"] = config_lib.List(optional=True) + schema["csrf_protection"] = config_lib.Boolean(optional=True) + schema["default_app"] = config_lib.String(optional=True) + return schema + + def validate_environment(self): + try: + import tornado.web # noqa + except ImportError as e: + raise exceptions.ExtensionError("tornado library not found", e) + + def setup(self, registry): + from .actor import HttpFrontend + from .handlers import make_mopidy_app_factory + + HttpFrontend.apps = registry["http:app"] + HttpFrontend.statics = registry["http:static"] + + registry.add("frontend", HttpFrontend) + registry.add( + "http:app", + { + "name": "mopidy", + "factory": make_mopidy_app_factory( + registry["http:app"], registry["http:static"] + ), + }, + ) diff --git a/venv/lib/python3.7/site-packages/mopidy/http/actor.py b/venv/lib/python3.7/site-packages/mopidy/http/actor.py new file mode 100644 index 0000000..603b5d6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/actor.py @@ -0,0 +1,210 @@ +import json +import logging +import secrets +import threading + +import pykka +import tornado.httpserver +import tornado.ioloop +import tornado.netutil +import tornado.web +import tornado.websocket + +from mopidy import exceptions, models, zeroconf +from mopidy.core import CoreListener +from mopidy.http import Extension, handlers +from mopidy.internal import formatting, network + +try: + import asyncio +except ImportError: + asyncio = None + + +logger = logging.getLogger(__name__) + + +class HttpFrontend(pykka.ThreadingActor, CoreListener): + apps = [] + statics = [] + + def __init__(self, config, core): + super().__init__() + + self.hostname = network.format_hostname(config["http"]["hostname"]) + self.port = config["http"]["port"] + tornado_hostname = config["http"]["hostname"] + if tornado_hostname == "::": + tornado_hostname = None + + try: + logger.debug("Starting HTTP server") + sockets = tornado.netutil.bind_sockets(self.port, tornado_hostname) + self.server = HttpServer( + config=config, + core=core, + sockets=sockets, + apps=self.apps, + statics=self.statics, + ) + except OSError as exc: + raise exceptions.FrontendError(f"HTTP server startup failed: {exc}") + + self.zeroconf_name = config["http"]["zeroconf"] + self.zeroconf_http = None + self.zeroconf_mopidy_http = None + + def on_start(self): + logger.info("HTTP server running at [%s]:%s", self.hostname, self.port) + self.server.start() + + if self.zeroconf_name: + self.zeroconf_http = zeroconf.Zeroconf( + name=self.zeroconf_name, stype="_http._tcp", port=self.port + ) + self.zeroconf_mopidy_http = zeroconf.Zeroconf( + name=self.zeroconf_name, + stype="_mopidy-http._tcp", + port=self.port, + ) + self.zeroconf_http.publish() + self.zeroconf_mopidy_http.publish() + + def on_stop(self): + if self.zeroconf_http: + self.zeroconf_http.unpublish() + if self.zeroconf_mopidy_http: + self.zeroconf_mopidy_http.unpublish() + + self.server.stop() + + def on_event(self, name, **data): + on_event(name, self.server.io_loop, **data) + + +def on_event(name, io_loop, **data): + event = data + event["event"] = name + message = json.dumps(event, cls=models.ModelJSONEncoder) + handlers.WebSocketHandler.broadcast(message, io_loop) + + +class HttpServer(threading.Thread): + name = "HttpServer" + + def __init__(self, config, core, sockets, apps, statics): + super().__init__() + + self.config = config + self.core = core + self.sockets = sockets + self.apps = apps + self.statics = statics + + self.app = None + self.server = None + self.io_loop = None + + def run(self): + if asyncio: + # If asyncio is available, Tornado uses it as its IO loop. Since we + # start Tornado in a another thread than the main thread, we must + # explicitly create an asyncio loop for the current thread. + asyncio.set_event_loop(asyncio.new_event_loop()) + + self.app = tornado.web.Application( + self._get_request_handlers(), + cookie_secret=self._get_cookie_secret(), + ) + self.server = tornado.httpserver.HTTPServer(self.app) + self.server.add_sockets(self.sockets) + + self.io_loop = tornado.ioloop.IOLoop.current() + self.io_loop.start() + + logger.debug("Stopped HTTP server") + + def stop(self): + logger.debug("Stopping HTTP server") + self.io_loop.add_callback(self.io_loop.stop) + + def _get_request_handlers(self): + request_handlers = [] + request_handlers.extend(self._get_app_request_handlers()) + request_handlers.extend(self._get_static_request_handlers()) + request_handlers.extend(self._get_default_request_handlers()) + + logger.debug( + "HTTP routes from extensions: %s", + formatting.indent( + "\n".join( + f"{path!r}: {handler!r}" + for (path, handler, *_) in request_handlers + ) + ), + ) + + return request_handlers + + def _get_app_request_handlers(self): + result = [] + for app in self.apps: + try: + request_handlers = app["factory"](self.config, self.core) + except Exception: + logger.exception("Loading %s failed.", app["name"]) + continue + + result.append((f"/{app['name']}", handlers.AddSlashHandler)) + for handler in request_handlers: + handler = list(handler) + handler[0] = f"/{app['name']}{handler[0]}" + result.append(tuple(handler)) + logger.debug("Loaded HTTP extension: %s", app["name"]) + return result + + def _get_static_request_handlers(self): + result = [] + for static in self.statics: + result.append((f"/{static['name']}", handlers.AddSlashHandler)) + result.append( + ( + f"/{static['name']}/(.*)", + handlers.StaticFileHandler, + {"path": static["path"], "default_filename": "index.html"}, + ) + ) + logger.debug("Loaded static HTTP extension: %s", static["name"]) + return result + + def _get_default_request_handlers(self): + sites = [app["name"] for app in self.apps + self.statics] + + default_app = self.config["http"]["default_app"] + if default_app not in sites: + logger.warning( + f"HTTP server's default app {default_app!r} not found" + ) + default_app = "mopidy" + logger.debug(f"Default webclient is {default_app}") + + return [ + ( + r"/", + tornado.web.RedirectHandler, + {"url": f"/{default_app}/", "permanent": False}, + ) + ] + + def _get_cookie_secret(self): + file_path = Extension.get_data_dir(self.config) / "cookie_secret" + if not file_path.is_file(): + cookie_secret = secrets.token_hex(32) + file_path.write_text(cookie_secret) + else: + cookie_secret = file_path.read_text().strip() + if not cookie_secret: + logging.error( + f"HTTP server could not find cookie secret in {file_path}" + ) + return cookie_secret diff --git a/venv/lib/python3.7/site-packages/mopidy/http/data/clients.html b/venv/lib/python3.7/site-packages/mopidy/http/data/clients.html new file mode 100644 index 0000000..feff4fe --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/data/clients.html @@ -0,0 +1,31 @@ + + + + + + Mopidy + + + +
+

Mopidy

+ +

This web server is a part of the Mopidy music server. To learn more + about Mopidy, please visit + www.mopidy.com.

+
+ +
+

Web clients

+ + + +

Web clients which are installed as Mopidy extensions will + automatically appear here.

+
+ + diff --git a/venv/lib/python3.7/site-packages/mopidy/http/data/favicon.ico b/venv/lib/python3.7/site-packages/mopidy/http/data/favicon.ico new file mode 100644 index 0000000..a214c91 Binary files /dev/null and b/venv/lib/python3.7/site-packages/mopidy/http/data/favicon.ico differ diff --git a/venv/lib/python3.7/site-packages/mopidy/http/data/mopidy.css b/venv/lib/python3.7/site-packages/mopidy/http/data/mopidy.css new file mode 100644 index 0000000..0bf4522 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/data/mopidy.css @@ -0,0 +1,43 @@ +html { + background: #f8f8f8; + color: #555; + font-family: Geneva, Tahoma, Verdana, sans-serif; + line-height: 1.4em; +} +body { + max-width: 600px; + margin: 0 auto; +} +h1, h2 { + font-weight: 500; + line-height: 1.1em; +} +a { + color: #555; + text-decoration: none; + border-bottom: 1px dotted; +} +img { + border: 0; +} + +.box { + background: white; + box-shadow: 0px 5px 5px #f0f0f0; + margin: 1em; + padding: 1em; +} +.box.focus { + background: #465158; + color: #e8ecef; +} + +.box a { + color: #465158; +} +.box a:hover { + opacity: 0.8; +} +.box.focus a { + color: #e8ecef; +} diff --git a/venv/lib/python3.7/site-packages/mopidy/http/ext.conf b/venv/lib/python3.7/site-packages/mopidy/http/ext.conf new file mode 100644 index 0000000..c986fc3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/ext.conf @@ -0,0 +1,8 @@ +[http] +enabled = true +hostname = 127.0.0.1 +port = 6680 +zeroconf = Mopidy HTTP server on $hostname +allowed_origins = +csrf_protection = true +default_app = mopidy diff --git a/venv/lib/python3.7/site-packages/mopidy/http/handlers.py b/venv/lib/python3.7/site-packages/mopidy/http/handlers.py new file mode 100644 index 0000000..130ced3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/http/handlers.py @@ -0,0 +1,273 @@ +import functools +import logging +import os +import urllib + +import tornado.escape +import tornado.ioloop +import tornado.web +import tornado.websocket + +import mopidy +from mopidy import core, models +from mopidy.internal import jsonrpc + +logger = logging.getLogger(__name__) + + +def make_mopidy_app_factory(apps, statics): + def mopidy_app_factory(config, core): + if not config["http"]["csrf_protection"]: + logger.warning( + "HTTP Cross-Site Request Forgery protection is disabled" + ) + allowed_origins = { + x.lower() for x in config["http"]["allowed_origins"] if x + } + return [ + ( + r"/ws/?", + WebSocketHandler, + { + "core": core, + "allowed_origins": allowed_origins, + "csrf_protection": config["http"]["csrf_protection"], + }, + ), + ( + r"/rpc", + JsonRpcHandler, + { + "core": core, + "allowed_origins": allowed_origins, + "csrf_protection": config["http"]["csrf_protection"], + }, + ), + ( + r"/(.+)", + StaticFileHandler, + {"path": os.path.join(os.path.dirname(__file__), "data")}, + ), + (r"/", ClientListHandler, {"apps": apps, "statics": statics}), + ] + + return mopidy_app_factory + + +def make_jsonrpc_wrapper(core_actor): + inspector = jsonrpc.JsonRpcInspector( + objects={ + "core.get_uri_schemes": core.Core.get_uri_schemes, + "core.get_version": core.Core.get_version, + "core.history": core.HistoryController, + "core.library": core.LibraryController, + "core.mixer": core.MixerController, + "core.playback": core.PlaybackController, + "core.playlists": core.PlaylistsController, + "core.tracklist": core.TracklistController, + } + ) + return jsonrpc.JsonRpcWrapper( + objects={ + "core.describe": inspector.describe, + "core.get_uri_schemes": core_actor.get_uri_schemes, + "core.get_version": core_actor.get_version, + "core.history": core_actor.history, + "core.library": core_actor.library, + "core.mixer": core_actor.mixer, + "core.playback": core_actor.playback, + "core.playlists": core_actor.playlists, + "core.tracklist": core_actor.tracklist, + }, + decoders=[models.model_json_decoder], + encoders=[models.ModelJSONEncoder], + ) + + +def _send_broadcast(client, msg): + # We could check for client.ws_connection, but we don't really + # care why the broadcast failed, we just want the rest of them + # to succeed, so catch everything. + try: + client.write_message(msg) + except Exception as exc: + logger.debug( + f"Broadcast of WebSocket message to " + f"{client.request.remote_ip} failed: {exc}" + ) + # TODO: should this do the same cleanup as the on_message code? + + +class WebSocketHandler(tornado.websocket.WebSocketHandler): + + # XXX This set is shared by all WebSocketHandler objects. This isn't + # optimal, but there's currently no use case for having more than one of + # these anyway. + clients = set() + + @classmethod + def broadcast(cls, msg, io_loop): + # This can be called from outside the Tornado ioloop, so we need to + # safely cross the thread boundary by adding a callback to the loop. + for client in cls.clients: + # One callback per client to keep time we hold up the loop short + io_loop.add_callback( + functools.partial(_send_broadcast, client, msg) + ) + + def initialize(self, core, allowed_origins, csrf_protection): + self.jsonrpc = make_jsonrpc_wrapper(core) + self.allowed_origins = allowed_origins + self.csrf_protection = csrf_protection + + def open(self): + self.set_nodelay(True) + self.clients.add(self) + logger.debug("New WebSocket connection from %s", self.request.remote_ip) + + def on_close(self): + self.clients.discard(self) + logger.debug( + "Closed WebSocket connection from %s", self.request.remote_ip + ) + + def on_message(self, message): + if not message: + return + + logger.debug( + "Received WebSocket message from %s: %r", + self.request.remote_ip, + message, + ) + + try: + response = self.jsonrpc.handle_json( + tornado.escape.native_str(message) + ) + if response and self.write_message(response): + logger.debug( + "Sent WebSocket message to %s: %r", + self.request.remote_ip, + response, + ) + except Exception as exc: + logger.error(f"WebSocket request error: {exc}") + self.close() + + def check_origin(self, origin): + if not self.csrf_protection: + return True + return check_origin(origin, self.request.headers, self.allowed_origins) + + +def set_mopidy_headers(request_handler): + request_handler.set_header("Cache-Control", "no-cache") + request_handler.set_header("X-Mopidy-Version", mopidy.__version__.encode()) + + +def check_origin(origin, request_headers, allowed_origins): + if origin is None: + logger.warning("HTTP request denied for missing Origin header") + return False + allowed_origins.add(request_headers.get("Host")) + parsed_origin = urllib.parse.urlparse(origin).netloc.lower() + # Some frameworks (e.g. Apache Cordova) use local files. Requests from + # these files don't really have a sensible Origin so the browser sets the + # header to something like 'file://' or 'null'. This results here in an + # empty parsed_origin which we choose to allow. + if parsed_origin and parsed_origin not in allowed_origins: + logger.warning('HTTP request denied for Origin "%s"', origin) + return False + return True + + +class JsonRpcHandler(tornado.web.RequestHandler): + def initialize(self, core, allowed_origins, csrf_protection): + self.jsonrpc = make_jsonrpc_wrapper(core) + self.allowed_origins = allowed_origins + self.csrf_protection = csrf_protection + + def head(self): + self.set_extra_headers() + self.finish() + + def post(self): + if self.csrf_protection: + content_type = self.request.headers.get("Content-Type", "") + if content_type != "application/json": + self.set_status(415, "Content-Type must be application/json") + return + + data = self.request.body + if not data: + return + + logger.debug( + "Received RPC message from %s: %r", self.request.remote_ip, data + ) + + try: + self.set_extra_headers() + response = self.jsonrpc.handle_json(tornado.escape.native_str(data)) + if response and self.write(response): + logger.debug( + "Sent RPC message to %s: %r", + self.request.remote_ip, + response, + ) + except Exception as e: + logger.error("HTTP JSON-RPC request error: %s", e) + self.write_error(500) + + def set_extra_headers(self): + set_mopidy_headers(self) + self.set_header("Accept", "application/json") + self.set_header("Content-Type", "application/json; utf-8") + + def options(self): + if self.csrf_protection: + origin = self.request.headers.get("Origin") + if not check_origin( + origin, self.request.headers, self.allowed_origins + ): + self.set_status(403, f"Access denied for origin {origin}") + return + + self.set_header("Access-Control-Allow-Origin", f"{origin}") + self.set_header("Access-Control-Allow-Headers", "Content-Type") + + self.set_status(204) + self.finish() + + +class ClientListHandler(tornado.web.RequestHandler): + def initialize(self, apps, statics): + self.apps = apps + self.statics = statics + + def get_template_path(self): + return os.path.dirname(__file__) + + def get(self): + set_mopidy_headers(self) + + names = set() + for app in self.apps: + names.add(app["name"]) + for static in self.statics: + names.add(static["name"]) + names.discard("mopidy") + + self.render("data/clients.html", apps=sorted(list(names))) + + +class StaticFileHandler(tornado.web.StaticFileHandler): + def set_extra_headers(self, path): + set_mopidy_headers(self) + + +class AddSlashHandler(tornado.web.RequestHandler): + @tornado.web.addslash + def prepare(self): + return super().prepare() diff --git a/venv/lib/python3.7/site-packages/mopidy/httpclient.py b/venv/lib/python3.7/site-packages/mopidy/httpclient.py new file mode 100644 index 0000000..b3316dd --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/httpclient.py @@ -0,0 +1,50 @@ +import platform + +import mopidy + +"Helpers for configuring HTTP clients used in Mopidy extensions." + + +def format_proxy(proxy_config, auth=True): + """Convert a Mopidy proxy config to the commonly used proxy string format. + + Outputs ``scheme://host:port``, ``scheme://user:pass@host:port`` or + :class:`None` depending on the proxy config provided. + + You can also opt out of getting the basic auth by setting ``auth`` to + :class:`False`. + + .. versionadded:: 1.1 + """ + if not proxy_config.get("hostname"): + return None + + scheme = proxy_config.get("scheme") or "http" + username = proxy_config.get("username") + password = proxy_config.get("password") + hostname = proxy_config["hostname"] + port = proxy_config.get("port") + if not port or port < 0: + port = 80 + + if username and password and auth: + return f"{scheme}://{username}:{password}@{hostname}:{port}" + else: + return f"{scheme}://{hostname}:{port}" + + +def format_user_agent(name=None): + """Construct a User-Agent suitable for use in client code. + + This will identify use by the provided ``name`` (which should be on the + format ``dist_name/version``), Mopidy version and Python version. + + .. versionadded:: 1.1 + """ + parts = [ + f"Mopidy/{mopidy.__version__}", + f"{platform.python_implementation()}/{platform.python_version()}", + ] + if name: + parts.insert(0, name) + return " ".join(parts) diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/__init__.py b/venv/lib/python3.7/site-packages/mopidy/internal/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/deprecation.py b/venv/lib/python3.7/site-packages/mopidy/internal/deprecation.py new file mode 100644 index 0000000..3d391cb --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/deprecation.py @@ -0,0 +1,52 @@ +import contextlib +import re +import warnings + +# Messages used in deprecation warnings are collected here so we can target +# them easily when ignoring warnings. +_MESSAGES = { + # Deprecated features in core playback: + "core.playback.play:tl_track_kwargs": ( + 'playback.play() with "tl_track" argument is pending deprecation use ' + '"tlid" instead' + ), + # Deprecated features in core tracklist: + "core.tracklist.add:tracks_arg": ( + 'tracklist.add() "tracks" argument is deprecated' + ), + "core.tracklist.eot_track": ( + "tracklist.eot_track() is pending deprecation, use " + "tracklist.get_eot_tlid()" + ), + "core.tracklist.next_track": ( + "tracklist.next_track() is pending deprecation, use " + "tracklist.get_next_tlid()" + ), + "core.tracklist.previous_track": ( + "tracklist.previous_track() is pending deprecation, use " + "tracklist.get_previous_tlid()" + ), +} + + +def warn(msg_id, pending=False): + if pending: + category = PendingDeprecationWarning + else: + category = DeprecationWarning + warnings.warn(_MESSAGES.get(msg_id, msg_id), category) + + +@contextlib.contextmanager +def ignore(ids=None): + with warnings.catch_warnings(): + if isinstance(ids, str): + ids = [ids] + + if ids: + for msg_id in ids: + msg = re.escape(_MESSAGES.get(msg_id, msg_id)) + warnings.filterwarnings("ignore", msg, DeprecationWarning) + else: + warnings.filterwarnings("ignore", category=DeprecationWarning) + yield diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/deps.py b/venv/lib/python3.7/site-packages/mopidy/internal/deps.py new file mode 100644 index 0000000..d1a51c1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/deps.py @@ -0,0 +1,189 @@ +import functools +import os +import platform +import sys + +import pkg_resources + +from mopidy.internal import formatting +from mopidy.internal.gi import Gst, gi + + +def format_dependency_list(adapters=None): + if adapters is None: + dist_names = { + ep.dist.project_name + for ep in pkg_resources.iter_entry_points("mopidy.ext") + if ep.dist.project_name != "Mopidy" + } + dist_infos = [ + functools.partial(pkg_info, dist_name) for dist_name in dist_names + ] + + adapters = ( + [ + executable_info, + platform_info, + python_info, + functools.partial(pkg_info, "Mopidy", True), + ] + + dist_infos + + [gstreamer_info] + ) + + return "\n".join([_format_dependency(a()) for a in adapters]) + + +def _format_dependency(dep_info): + lines = [] + + if "version" not in dep_info: + lines.append(f"{dep_info['name']}: not found") + else: + source = f" from {dep_info['path']}" if "path" in dep_info else "" + lines.append(f"{dep_info['name']}: {dep_info['version']}{source}") + + if "other" in dep_info: + details = formatting.indent(dep_info["other"], places=4) + lines.append(f" Detailed information: {details}") + + if dep_info.get("dependencies", []): + for sub_dep_info in dep_info["dependencies"]: + sub_dep_lines = _format_dependency(sub_dep_info) + lines.append( + formatting.indent(sub_dep_lines, places=2, singles=True) + ) + + return "\n".join(lines) + + +def executable_info(): + return { + "name": "Executable", + "version": sys.argv[0], + } + + +def platform_info(): + return { + "name": "Platform", + "version": platform.platform(), + } + + +def python_info(): + return { + "name": "Python", + "version": ( + f"{platform.python_implementation()} {platform.python_version()}" + ), + "path": os.path.dirname(platform.__file__), + } + + +def pkg_info( + project_name=None, include_transitive_deps=True, include_extras=False +): + if project_name is None: + project_name = "Mopidy" + try: + distribution = pkg_resources.get_distribution(project_name) + extras = include_extras and distribution.extras or [] + if include_transitive_deps: + dependencies = [ + pkg_info( + d.project_name, + include_transitive_deps=d.project_name != "Mopidy", + ) + for d in distribution.requires(extras) + ] + else: + dependencies = [] + return { + "name": project_name, + "version": distribution.version, + "path": distribution.location, + "dependencies": dependencies, + } + except pkg_resources.ResolutionError: + return { + "name": project_name, + } + + +def gstreamer_info(): + other = [] + other.append(f"Python wrapper: python-gi {gi.__version__}") + + found_elements = [] + missing_elements = [] + for name, status in _gstreamer_check_elements(): + if status: + found_elements.append(name) + else: + missing_elements.append(name) + + other.append("Relevant elements:") + other.append(" Found:") + for element in found_elements: + other.append(f" {element}") + if not found_elements: + other.append(" none") + other.append(" Not found:") + for element in missing_elements: + other.append(f" {element}") + if not missing_elements: + other.append(" none") + + return { + "name": "GStreamer", + "version": ".".join(map(str, Gst.version())), + "path": os.path.dirname(gi.__file__), + "other": "\n".join(other), + } + + +def _gstreamer_check_elements(): + elements_to_check = [ + # Core playback + "uridecodebin", + # External HTTP streams + "souphttpsrc", + # Spotify + "appsrc", + # Audio sinks + "alsasink", + "osssink", + "oss4sink", + "pulsesink", + # MP3 encoding and decoding + # + # One of flump3dec, mad, and mpg123audiodec is required for MP3 + # playback. + "flump3dec", + "id3demux", + "id3v2mux", + "lamemp3enc", + "mad", + "mpegaudioparse", + "mpg123audiodec", + # Ogg Vorbis encoding and decoding + "vorbisdec", + "vorbisenc", + "vorbisparse", + "oggdemux", + "oggmux", + "oggparse", + # Flac decoding + "flacdec", + "flacparse", + # Shoutcast output + "shout2send", + ] + known_elements = [ + factory.get_name() + for factory in Gst.Registry.get().get_feature_list(Gst.ElementFactory) + ] + return [ + (element, element in known_elements) for element in elements_to_check + ] diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/formatting.py b/venv/lib/python3.7/site-packages/mopidy/internal/formatting.py new file mode 100644 index 0000000..58220ad --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/formatting.py @@ -0,0 +1,28 @@ +import re +import unicodedata + + +def indent(string, places=4, linebreak="\n", singles=False): + lines = string.split(linebreak) + if not singles and len(lines) == 1: + return string + for i, line in enumerate(lines): + lines[i] = " " * places + line + result = linebreak.join(lines) + if not singles: + result = linebreak + result + return result + + +def slugify(value): + """ + Converts to lowercase, removes non-word characters (alphanumerics and + underscores) and converts spaces to hyphens. Also strips leading and + trailing whitespace. + + This function is based on Django's slugify implementation. + """ + value = unicodedata.normalize("NFKD", value) + value = value.encode("ascii", "ignore").decode("ascii") + value = re.sub(r"[^\w\s-]", "", value).strip().lower() + return re.sub(r"[-\s]+", "-", value) diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/gi.py b/venv/lib/python3.7/site-packages/mopidy/internal/gi.py new file mode 100644 index 0000000..031ba8f --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/gi.py @@ -0,0 +1,49 @@ +import sys +import textwrap + +try: + import gi + + gi.require_version("Gst", "1.0") + from gi.repository import GLib, GObject, Gst +except ImportError: + print( + textwrap.dedent( + """ + ERROR: A GObject based library was not found. + + Mopidy requires GStreamer to work. GStreamer is a C library with a + number of dependencies itself, and cannot be installed with the regular + Python tools like pip. + + Please see http://docs.mopidy.com/en/latest/installation/ for + instructions on how to install the required dependencies. + """ + ) + ) + raise +else: + Gst.init([]) + gi.require_version("GstPbutils", "1.0") + from gi.repository import GstPbutils + +GLib.set_prgname("mopidy") +GLib.set_application_name("Mopidy") + +REQUIRED_GST_VERSION = (1, 14, 0) +REQUIRED_GST_VERSION_DISPLAY = ".".join(map(str, REQUIRED_GST_VERSION)) + +if Gst.version() < REQUIRED_GST_VERSION: + sys.exit( + f"ERROR: Mopidy requires GStreamer >= {REQUIRED_GST_VERSION_DISPLAY}, " + f"but found {Gst.version_string()}." + ) + + +__all__ = [ + "GLib", + "GObject", + "Gst", + "GstPbutils", + "gi", +] diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/http.py b/venv/lib/python3.7/site-packages/mopidy/internal/http.py new file mode 100644 index 0000000..2cedcbe --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/http.py @@ -0,0 +1,57 @@ +import logging +import time + +import requests + +from mopidy import httpclient + +logger = logging.getLogger(__name__) + + +def get_requests_session(proxy_config, user_agent): + proxy = httpclient.format_proxy(proxy_config) + full_user_agent = httpclient.format_user_agent(user_agent) + + session = requests.Session() + session.proxies.update({"http": proxy, "https": proxy}) + session.headers.update({"user-agent": full_user_agent}) + + return session + + +def download(session, uri, timeout=1.0, chunk_size=4096): + try: + response = session.get(uri, stream=True, timeout=timeout) + except requests.exceptions.Timeout: + logger.warning( + "Download of %r failed due to connection timeout after " "%.3fs", + uri, + timeout, + ) + return None + except requests.exceptions.InvalidSchema: + logger.warning("Download of %r failed due to unsupported schema", uri) + return None + except requests.exceptions.RequestException as exc: + logger.warning("Download of %r failed: %s", uri, exc) + logger.debug("Download exception details", exc_info=True) + return None + + content = [] + deadline = time.time() + timeout + for chunk in response.iter_content(chunk_size): + content.append(chunk) + if time.time() > deadline: + logger.warning( + "Download of %r failed due to download taking more " + "than %.3fs", + uri, + timeout, + ) + return None + + if not response.ok: + logger.warning("Problem downloading %r: %s", uri, response.reason) + return None + + return b"".join(content) diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/jsonrpc.py b/venv/lib/python3.7/site-packages/mopidy/internal/jsonrpc.py new file mode 100644 index 0000000..c20162a --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/jsonrpc.py @@ -0,0 +1,387 @@ +import inspect +import json +import traceback + +import pykka + + +class JsonRpcWrapper: + + """ + Wrap objects and make them accessible through JSON-RPC 2.0 messaging. + + This class takes responsibility of communicating with the objects and + processing of JSON-RPC 2.0 messages. The transport of the messages over + HTTP, WebSocket, TCP, or whatever is of no concern to this class. + + The wrapper supports exporting the methods of one or more objects. Either + way, the objects must be exported with method name prefixes, called + "mounts". + + To expose objects, add them all to the objects mapping. The key in the + mapping is used as the object's mounting point in the exposed API:: + + jrw = JsonRpcWrapper(objects={ + 'foo': foo, + 'hello': lambda: 'Hello, world!', + }) + + This will export the Python callables on the left as the JSON-RPC 2.0 + method names on the right:: + + foo.bar() -> foo.bar + foo.baz() -> foo.baz + lambda -> hello + + Only the public methods of the mounted objects, or functions/methods + included directly in the mapping, will be exposed. + + If a method returns a :class:`pykka.Future`, the future will be completed + and its value unwrapped before the JSON-RPC wrapper returns the response. + + For further details on the JSON-RPC 2.0 spec, see + http://www.jsonrpc.org/specification + + :param objects: mapping between mounting points and exposed functions or + class instances + :type objects: dict + :param decoders: object builders to be used by :func`json.loads` + :type decoders: list of functions taking a dict and returning a dict + :param encoders: object serializers to be used by :func:`json.dumps` + :type encoders: list of :class:`json.JSONEncoder` subclasses with the + method :meth:`default` implemented + """ + + def __init__(self, objects, decoders=None, encoders=None): + if "" in objects.keys(): + raise AttributeError( + "The empty string is not allowed as an object mount" + ) + self.objects = objects + self.decoder = get_combined_json_decoder(decoders or []) + self.encoder = get_combined_json_encoder(encoders or []) + + def handle_json(self, request): + """ + Handles an incoming request encoded as a JSON string. + + Returns a response as a JSON string for commands, and :class:`None` for + notifications. + + :param request: the serialized JSON-RPC request + :type request: string + :rtype: string or :class:`None` + """ + try: + request = json.loads(request, object_hook=self.decoder) + except ValueError: + response = JsonRpcParseError().get_response() + else: + response = self.handle_data(request) + if response is None: + return None + return json.dumps(response, cls=self.encoder) + + def handle_data(self, request): + """ + Handles an incoming request in the form of a Python data structure. + + Returns a Python data structure for commands, or a :class:`None` for + notifications. + + :param request: the unserialized JSON-RPC request + :type request: dict + :rtype: dict, list, or :class:`None` + """ + if isinstance(request, list): + return self._handle_batch(request) + else: + return self._handle_single_request(request) + + def _handle_batch(self, requests): + if not requests: + return JsonRpcInvalidRequestError( + data="Batch list cannot be empty" + ).get_response() + + responses = [] + for request in requests: + response = self._handle_single_request(request) + if response: + responses.append(response) + + return responses or None + + def _handle_single_request(self, request): + try: + self._validate_request(request) + args, kwargs = self._get_params(request) + except JsonRpcInvalidRequestError as error: + return error.get_response() + + try: + method = self._get_method(request["method"]) + + try: + result = method(*args, **kwargs) + + if self._is_notification(request): + return None + + result = self._unwrap_result(result) + + return { + "jsonrpc": "2.0", + "id": request["id"], + "result": result, + } + except TypeError as error: + raise JsonRpcInvalidParamsError( + data={ + "type": error.__class__.__name__, + "message": str(error), + "traceback": traceback.format_exc(), + } + ) + except Exception as error: + raise JsonRpcApplicationError( + data={ + "type": error.__class__.__name__, + "message": str(error), + "traceback": traceback.format_exc(), + } + ) + except JsonRpcError as error: + if self._is_notification(request): + return None + return error.get_response(request["id"]) + + def _validate_request(self, request): + if not isinstance(request, dict): + raise JsonRpcInvalidRequestError(data="Request must be an object") + if "jsonrpc" not in request: + raise JsonRpcInvalidRequestError( + data="'jsonrpc' member must be included" + ) + if request["jsonrpc"] != "2.0": + raise JsonRpcInvalidRequestError( + data="'jsonrpc' value must be '2.0'" + ) + if "method" not in request: + raise JsonRpcInvalidRequestError( + data="'method' member must be included" + ) + if not isinstance(request["method"], str): + raise JsonRpcInvalidRequestError(data="'method' must be a string") + + def _get_params(self, request): + if "params" not in request: + return [], {} + params = request["params"] + if isinstance(params, list): + return params, {} + elif isinstance(params, dict): + return [], params + else: + raise JsonRpcInvalidRequestError( + data="'params', if given, must be an array or an object" + ) + + def _get_method(self, method_path): + if callable(self.objects.get(method_path, None)): + # The mounted object is the callable + return self.objects[method_path] + + # The mounted object contains the callable + + if "." not in method_path: + raise JsonRpcMethodNotFoundError( + data=f"Could not find object mount in method name {method_path!r}" + ) + + mount, method_name = method_path.rsplit(".", 1) + + if method_name.startswith("_"): + raise JsonRpcMethodNotFoundError( + data="Private methods are not exported" + ) + + try: + obj = self.objects[mount] + except KeyError: + raise JsonRpcMethodNotFoundError( + data=f"No object found at {mount!r}" + ) + + try: + return getattr(obj, method_name) + except AttributeError: + raise JsonRpcMethodNotFoundError( + data=f"Object mounted at {mount!r} has no member {method_name!r}" + ) + + def _is_notification(self, request): + return "id" not in request + + def _unwrap_result(self, result): + if isinstance(result, pykka.Future): + result = result.get() + return result + + +class JsonRpcError(Exception): + code = -32000 + message = "Unspecified server error" + + def __init__(self, data=None): + self.data = data + + def get_response(self, request_id=None): + response = { + "jsonrpc": "2.0", + "id": request_id, + "error": {"code": self.code, "message": self.message}, + } + if self.data: + response["error"]["data"] = self.data + return response + + +class JsonRpcParseError(JsonRpcError): + code = -32700 + message = "Parse error" + + +class JsonRpcInvalidRequestError(JsonRpcError): + code = -32600 + message = "Invalid Request" + + +class JsonRpcMethodNotFoundError(JsonRpcError): + code = -32601 + message = "Method not found" + + +class JsonRpcInvalidParamsError(JsonRpcError): + code = -32602 + message = "Invalid params" + + +class JsonRpcApplicationError(JsonRpcError): + code = 0 + message = "Application error" + + +def get_combined_json_decoder(decoders): + def decode(dct): + for decoder in decoders: + dct = decoder(dct) + return dct + + return decode + + +def get_combined_json_encoder(encoders): + class JsonRpcEncoder(json.JSONEncoder): + def default(self, obj): + for encoder in encoders: + try: + return encoder().default(obj) + except TypeError: + pass # Try next encoder + return json.JSONEncoder.default(self, obj) + + return JsonRpcEncoder + + +class JsonRpcInspector: + + """ + Inspects a group of classes and functions to create a description of what + methods they can expose over JSON-RPC 2.0. + + To inspect one or more classes, add them all to the objects mapping. The + key in the mapping is used as the classes' mounting point in the exposed + API:: + + jri = JsonRpcInspector(objects={ + 'foo': Foo, + 'hello': lambda: 'Hello, world!', + }) + + Since the inspector is based on inspecting classes and not instances, it + will not include methods added dynamically. The wrapper works with + instances, and it will thus export dynamically added methods as well. + + :param objects: mapping between mounts and exposed functions or classes + :type objects: dict + """ + + def __init__(self, objects): + if "" in objects.keys(): + raise AttributeError( + "The empty string is not allowed as an object mount" + ) + self.objects = objects + + def describe(self): + """ + Inspects the object and returns a data structure which describes the + available properties and methods. + """ + methods = {} + for mount, obj in self.objects.items(): + if inspect.isroutine(obj): + methods[mount] = self._describe_method(obj) + else: + obj_methods = self._get_methods(obj) + for name, description in obj_methods.items(): + if mount: + name = f"{mount}.{name}" + methods[name] = description + return methods + + def _get_methods(self, obj): + methods = {} + for name, value in inspect.getmembers(obj): + if name.startswith("_"): + continue + if not inspect.isroutine(value): + continue + method = self._describe_method(value) + if method: + methods[name] = method + return methods + + def _describe_method(self, method): + return { + "description": inspect.getdoc(method), + "params": self._describe_params(method), + } + + def _describe_params(self, method): + argspec = inspect.getfullargspec(method) + + defaults = argspec.defaults and list(argspec.defaults) or [] + num_args_without_default = len(argspec.args) - len(defaults) + no_defaults = [None] * num_args_without_default + defaults = no_defaults + defaults + + params = [] + + for arg, _default in zip(argspec.args, defaults): + if arg == "self": + continue + params.append({"name": arg}) + + if argspec.defaults: + for i, default in enumerate(reversed(argspec.defaults)): + params[len(params) - i - 1]["default"] = default + + if argspec.varargs: + params.append({"name": argspec.varargs, "varargs": True}) + + if argspec.varkw: + params.append({"name": argspec.varkw, "kwargs": True}) + + return params diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/log.py b/venv/lib/python3.7/site-packages/mopidy/internal/log.py new file mode 100644 index 0000000..d084ef4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/log.py @@ -0,0 +1,199 @@ +import logging +import logging.config +import logging.handlers +import platform + +LOG_LEVELS = { + -1: dict(root=logging.ERROR, mopidy=logging.WARNING), + 0: dict(root=logging.ERROR, mopidy=logging.INFO), + 1: dict(root=logging.WARNING, mopidy=logging.DEBUG), + 2: dict(root=logging.INFO, mopidy=logging.DEBUG), + 3: dict(root=logging.DEBUG, mopidy=logging.DEBUG), + 4: dict(root=logging.NOTSET, mopidy=logging.NOTSET), +} + +# Custom log level which has even lower priority than DEBUG +TRACE_LOG_LEVEL = 5 +logging.addLevelName(TRACE_LOG_LEVEL, "TRACE") + +logger = logging.getLogger(__name__) + + +class DelayedHandler(logging.Handler): + def __init__(self): + logging.Handler.__init__(self) + self._released = False + self._buffer = [] + + def handle(self, record): + if not self._released: + self._buffer.append(record) + + def release(self): + self._released = True + root = logging.getLogger("") + while self._buffer: + root.handle(self._buffer.pop(0)) + + +_delayed_handler = DelayedHandler() + + +def bootstrap_delayed_logging(): + root = logging.getLogger("") + root.setLevel(logging.NOTSET) + root.addHandler(_delayed_handler) + + +def setup_logging(config, base_verbosity_level, args_verbosity_level): + logging.captureWarnings(True) + + if config["logging"]["config_file"]: + # Logging config from file must be read before other handlers are + # added. If not, the other handlers will have no effect. + try: + path = config["logging"]["config_file"] + logging.config.fileConfig(path, disable_existing_loggers=False) + except Exception as e: + # Catch everything as logging does not specify what can go wrong. + logger.error("Loading logging config %r failed. %s", path, e) + + loglevels = config.get("loglevels", {}) + + verbosity_level = get_verbosity_level( + config, base_verbosity_level, args_verbosity_level + ) + verbosity_filter = VerbosityFilter(verbosity_level, loglevels) + + formatter = logging.Formatter(config["logging"]["format"]) + + if config["logging"]["color"]: + handler = ColorizingStreamHandler(config.get("logcolors", {})) + else: + handler = logging.StreamHandler() + handler.addFilter(verbosity_filter) + handler.setFormatter(formatter) + + logging.getLogger("").addHandler(handler) + + _delayed_handler.release() + + +def get_verbosity_level(config, base_verbosity_level, args_verbosity_level): + if args_verbosity_level: + result = base_verbosity_level + args_verbosity_level + else: + result = base_verbosity_level + config["logging"]["verbosity"] + + if result < min(LOG_LEVELS.keys()): + result = min(LOG_LEVELS.keys()) + if result > max(LOG_LEVELS.keys()): + result = max(LOG_LEVELS.keys()) + + return result + + +class VerbosityFilter(logging.Filter): + def __init__(self, verbosity_level, loglevels): + self.verbosity_level = verbosity_level + self.loglevels = loglevels + + def filter(self, record): + for name, required_log_level in self.loglevels.items(): + if record.name == name or record.name.startswith(name + "."): + return record.levelno >= required_log_level + + if record.name.startswith("mopidy"): + required_log_level = LOG_LEVELS[self.verbosity_level]["mopidy"] + else: + required_log_level = LOG_LEVELS[self.verbosity_level]["root"] + return record.levelno >= required_log_level + + +#: Available log colors. +COLORS = [ + "black", + "red", + "green", + "yellow", + "blue", + "magenta", + "cyan", + "white", +] + + +class ColorizingStreamHandler(logging.StreamHandler): + + """ + Stream handler which colorizes the log using ANSI escape sequences. + + Does nothing on Windows, which doesn't support ANSI escape sequences. + + This implementation is based upon https://gist.github.com/vsajip/758430, + which is: + + Copyright (C) 2010-2012 Vinay Sajip. All rights reserved. + Licensed under the new BSD license. + """ + + # Map logging levels to (background, foreground, bold/intense) + level_map = { + TRACE_LOG_LEVEL: (None, "blue", False), + logging.DEBUG: (None, "blue", False), + logging.INFO: (None, "white", False), + logging.WARNING: (None, "yellow", False), + logging.ERROR: (None, "red", False), + logging.CRITICAL: ("red", "white", True), + } + # Map logger name to foreground colors + logger_map = {} + + csi = "\x1b[" + reset = "\x1b[0m" + + is_windows = platform.system() == "Windows" + + def __init__(self, logger_colors): + super().__init__() + self.logger_map = logger_colors + + @property + def is_tty(self): + isatty = getattr(self.stream, "isatty", None) + return isatty and isatty() + + def emit(self, record): + try: + message = self.format(record) + self.stream.write(message) + self.stream.write(getattr(self, "terminator", "\n")) + self.flush() + except Exception: + self.handleError(record) + + def format(self, record): + message = logging.StreamHandler.format(self, record) + if not self.is_tty or self.is_windows: + return message + for name, color in self.logger_map.items(): + if record.name.startswith(name): + return self.colorize(message, fg=color) + if record.levelno in self.level_map: + bg, fg, bold = self.level_map[record.levelno] + return self.colorize(message, bg=bg, fg=fg, bold=bold) + return message + + def colorize(self, message, bg=None, fg=None, bold=False): + params = [] + if bg in COLORS: + params.append(str(COLORS.index(bg) + 40)) + if fg in COLORS: + params.append(str(COLORS.index(fg) + 30)) + if bold: + params.append("1") + if params: + message = "".join( + (self.csi, ";".join(params), "m", message, self.reset) + ) + return message diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/models.py b/venv/lib/python3.7/site-packages/mopidy/internal/models.py new file mode 100644 index 0000000..77bb3de --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/models.py @@ -0,0 +1,142 @@ +from mopidy.internal import validation +from mopidy.models import Ref, TlTrack, fields +from mopidy.models.immutable import ValidatedImmutableObject + + +class HistoryTrack(ValidatedImmutableObject): + """ + A history track. Wraps a :class:`Ref` and its timestamp. + + :param timestamp: the timestamp + :type timestamp: int + :param track: the track reference + :type track: :class:`Ref` + """ + + # The timestamp. Read-only. + timestamp = fields.Integer() + + # The track reference. Read-only. + track = fields.Field(type=Ref) + + +class HistoryState(ValidatedImmutableObject): + """ + State of the history controller. + Internally used for save/load state. + + :param history: the track history + :type history: list of :class:`HistoryTrack` + """ + + # The tracks. Read-only. + history = fields.Collection(type=HistoryTrack, container=tuple) + + +class MixerState(ValidatedImmutableObject): + """ + State of the mixer controller. + Internally used for save/load state. + + :param volume: the volume + :type volume: int + :param mute: the mute state + :type mute: int + """ + + # The volume. Read-only. + volume = fields.Integer(min=0, max=100) + + # The mute state. Read-only. + mute = fields.Boolean(default=False) + + +class PlaybackState(ValidatedImmutableObject): + """ + State of the playback controller. + Internally used for save/load state. + + :param tlid: current track tlid + :type tlid: int + :param time_position: play position + :type time_position: int + :param state: playback state + :type state: :class:`validation.PLAYBACK_STATES` + """ + + # The tlid of current playing track. Read-only. + tlid = fields.Integer(min=1) + + # The playback position. Read-only. + time_position = fields.Integer(min=0) + + # The playback state. Read-only. + state = fields.Field(choices=validation.PLAYBACK_STATES) + + +class TracklistState(ValidatedImmutableObject): + + """ + State of the tracklist controller. + Internally used for save/load state. + + :param repeat: the repeat mode + :type repeat: bool + :param consume: the consume mode + :type consume: bool + :param random: the random mode + :type random: bool + :param single: the single mode + :type single: bool + :param next_tlid: the id for the next added track + :type next_tlid: int + :param tl_tracks: the list of tracks + :type tl_tracks: list of :class:`TlTrack` + """ + + # The repeat mode. Read-only. + repeat = fields.Boolean() + + # The consume mode. Read-only. + consume = fields.Boolean() + + # The random mode. Read-only. + random = fields.Boolean() + + # The single mode. Read-only. + single = fields.Boolean() + + # The id of the track to play. Read-only. + next_tlid = fields.Integer(min=0) + + # The list of tracks. Read-only. + tl_tracks = fields.Collection(type=TlTrack, container=tuple) + + +class CoreState(ValidatedImmutableObject): + + """ + State of all Core controller. + Internally used for save/load state. + + :param history: State of the history controller + :type history: :class:`HistorState` + :param mixer: State of the mixer controller + :type mixer: :class:`MixerState` + :param playback: State of the playback controller + :type playback: :class:`PlaybackState` + :param tracklist: State of the tracklist controller + :type tracklist: :class:`TracklistState` + """ + + # State of the history controller. + history = fields.Field(type=HistoryState) + + # State of the mixer controller. + mixer = fields.Field(type=MixerState) + + # State of the playback controller. + playback = fields.Field(type=PlaybackState) + + # State of the tracklist controller. + tracklist = fields.Field(type=TracklistState) diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/network.py b/venv/lib/python3.7/site-packages/mopidy/internal/network.py new file mode 100644 index 0000000..2667be4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/network.py @@ -0,0 +1,31 @@ +import logging +import re +import socket + +logger = logging.getLogger(__name__) + + +def try_ipv6_socket(): + """Determine if system really supports IPv6""" + if not socket.has_ipv6: + return False + try: + socket.socket(socket.AF_INET6).close() + return True + except OSError as exc: + logger.debug( + f"Platform supports IPv6, but socket creation failed, " + f"disabling: {exc}" + ) + return False + + +#: Boolean value that indicates if creating an IPv6 socket will succeed. +has_ipv6 = try_ipv6_socket() + + +def format_hostname(hostname): + """Format hostname for display.""" + if has_ipv6 and re.match(r"\d+.\d+.\d+.\d+", hostname) is not None: + hostname = f"::ffff:{hostname}" + return hostname diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/path.py b/venv/lib/python3.7/site-packages/mopidy/internal/path.py new file mode 100644 index 0000000..9493592 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/path.py @@ -0,0 +1,104 @@ +import logging +import pathlib +import re +import urllib + +from mopidy.internal import xdg + +logger = logging.getLogger(__name__) + + +XDG_DIRS = xdg.get_dirs() + + +def get_or_create_dir(dir_path): + dir_path = expand_path(dir_path) + if dir_path.is_file(): + raise OSError( + f"A file with the same name as the desired dir, " + f"{dir_path!r}, already exists." + ) + elif not dir_path.is_dir(): + logger.info(f"Creating dir {dir_path.as_uri()}") + dir_path.mkdir(mode=0o755, parents=True) + return dir_path + + +def get_or_create_file(file_path, mkdir=True, content=None): + file_path = expand_path(file_path) + if isinstance(content, str): + content = content.encode() + if mkdir: + get_or_create_dir(file_path.parent) + if not file_path.is_file(): + logger.info(f"Creating file {file_path.as_uri()}") + file_path.touch(exist_ok=False) + if content is not None: + file_path.write_bytes(content) + return file_path + + +def get_unix_socket_path(socket_path): + match = re.search("^unix:(.*)", socket_path) + if not match: + return None + return match.group(1) + + +def path_to_uri(path): + """ + Convert OS specific path to file:// URI. + + Accepts either unicode strings or bytestrings. The encoding of any + bytestring will be maintained so that :func:`uri_to_path` can return the + same bytestring. + + Returns a file:// URI as an unicode string. + """ + return pathlib.Path(path).as_uri() + + +def uri_to_path(uri): + """ + Convert an URI to a OS specific path. + """ + bytes_path = urllib.parse.unquote_to_bytes(urllib.parse.urlsplit(uri).path) + unicode_path = bytes_path.decode(errors="surrogateescape") + return pathlib.Path(unicode_path) + + +def expand_path(path): + if isinstance(path, bytes): + path = path.decode(errors="surrogateescape") + path = str(pathlib.Path(path)) + + for xdg_var, xdg_dir in XDG_DIRS.items(): + path = path.replace("$" + xdg_var, str(xdg_dir)) + if "$" in path: + return None + + return pathlib.Path(path).expanduser().resolve() + + +def is_path_inside_base_dir(path, base_path): + if isinstance(path, bytes): + path = path.decode(errors="surrogateescape") + if isinstance(base_path, bytes): + base_path = base_path.decode(errors="surrogateescape") + + path = pathlib.Path(path).resolve() + base_path = pathlib.Path(base_path).resolve() + + if path.is_file(): + # Use dir of file for prefix comparision, so we don't accept + # /tmp/foo.m3u as being inside /tmp/foo, simply because they have a + # common prefix, /tmp/foo, which matches the base path, /tmp/foo. + path = path.parent + + # Check if dir of file is the base path or a subdir + try: + path.relative_to(base_path) + except ValueError: + return False + else: + return True diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/playlists.py b/venv/lib/python3.7/site-packages/mopidy/internal/playlists.py new file mode 100644 index 0000000..8f2d202 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/playlists.py @@ -0,0 +1,137 @@ +import configparser +import io + +from mopidy.internal import validation + +import xml.etree.ElementTree as elementtree # noqa: N813 + + +def parse(data): + handlers = { + detect_extm3u_header: parse_extm3u, + detect_pls_header: parse_pls, + detect_asx_header: parse_asx, + detect_xspf_header: parse_xspf, + } + for detector, parser in handlers.items(): + if detector(data): + return list(parser(data)) + return list(parse_urilist(data)) # Fallback + + +def detect_extm3u_header(data): + return data[0:7].upper() == b"#EXTM3U" + + +def detect_pls_header(data): + return data[0:10].lower() == b"[playlist]" + + +def detect_xspf_header(data): + data = data[0:150] + if b"xspf" not in data.lower(): + return False + + try: + data = io.BytesIO(data) + for _event, element in elementtree.iterparse(data, events=["start"]): + return element.tag.lower() == "{http://xspf.org/ns/0/}playlist" + except elementtree.ParseError: + pass + return False + + +def detect_asx_header(data): + data = data[0:50] + if b"asx" not in data.lower(): + return False + + try: + data = io.BytesIO(data) + for _event, element in elementtree.iterparse(data, events=["start"]): + return element.tag.lower() == "asx" + except elementtree.ParseError: + pass + return False + + +def parse_extm3u(data): + # TODO: convert non URIs to file URIs. + found_header = False + for line in data.splitlines(): + if found_header or line.startswith(b"#EXTM3U"): + found_header = True + else: + continue + + if not line.strip() or line.startswith(b"#"): + continue + + try: + line = line.decode() + except UnicodeDecodeError: + continue + + yield line.strip() + + +def parse_pls(data): + # TODO: convert non URIs to file URIs. + try: + cp = configparser.RawConfigParser() + cp.read_string(data.decode()) + except configparser.Error: + return + + for section in cp.sections(): + if section.lower() != "playlist": + continue + for i in range(cp.getint(section, "numberofentries")): + yield cp.get(section, f"file{i + 1}").strip("\"'") + + +def parse_xspf(data): + try: + # Last element will be root. + for _event, element in elementtree.iterparse(io.BytesIO(data)): + element.tag = element.tag.lower() # normalize + except elementtree.ParseError: + return + + ns = "http://xspf.org/ns/0/" + path = f"{{{ns}}}tracklist/{{{ns}}}track" + for track in element.iterfind(path): + yield track.findtext(f"{{{ns}}}location") + + +def parse_asx(data): + try: + # Last element will be root. + for _event, element in elementtree.iterparse(io.BytesIO(data)): + element.tag = element.tag.lower() # normalize + except elementtree.ParseError: + return + + for ref in element.findall("entry/ref[@href]"): + yield ref.get("href", "").strip() + + for entry in element.findall("entry[@href]"): + yield entry.get("href", "").strip() + + +def parse_urilist(data): + for line in data.splitlines(): + if not line.strip() or line.startswith(b"#"): + continue + + try: + line = line.decode() + except UnicodeDecodeError: + continue + + try: + validation.check_uri(line) + except ValueError: + continue + + yield line.strip() diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/process.py b/venv/lib/python3.7/site-packages/mopidy/internal/process.py new file mode 100644 index 0000000..3e976e7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/process.py @@ -0,0 +1,53 @@ +import logging +import threading + +import pykka + +import _thread + +logger = logging.getLogger(__name__) + + +def exit_process(): + logger.debug("Interrupting main...") + _thread.interrupt_main() + logger.debug("Interrupted main") + + +def sigterm_handler(signum, frame): + """A :mod:`signal` handler which will exit the program on signal. + + This function is not called when the process' main thread is running a GLib + mainloop. In that case, the GLib mainloop must listen for SIGTERM signals + and quit itself. + + For Mopidy subcommands that does not run the GLib mainloop, this handler + ensures a proper shutdown of the process on SIGTERM. + """ + logger.info("Got SIGTERM signal. Exiting...") + exit_process() + + +def stop_actors_by_class(klass): + actors = pykka.ActorRegistry.get_by_class(klass) + logger.debug("Stopping %d instance(s) of %s", len(actors), klass.__name__) + for actor in actors: + actor.stop() + + +def stop_remaining_actors(): + num_actors = len(pykka.ActorRegistry.get_all()) + while num_actors: + logger.error( + "There are actor threads still running, this is probably a bug" + ) + logger.debug( + "Seeing %d actor and %d non-actor thread(s): %s", + num_actors, + threading.active_count() - num_actors, + ", ".join([t.name for t in threading.enumerate()]), + ) + logger.debug("Stopping %d actor(s)...", num_actors) + pykka.ActorRegistry.stop_all() + num_actors = len(pykka.ActorRegistry.get_all()) + logger.debug("All actors stopped.") diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/storage.py b/venv/lib/python3.7/site-packages/mopidy/internal/storage.py new file mode 100644 index 0000000..b723de9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/storage.py @@ -0,0 +1,59 @@ +import gzip +import json +import logging +import pathlib +import tempfile + +from mopidy import models + +logger = logging.getLogger(__name__) + + +def load(path): + """ + Deserialize data from file. + + :param path: full path to import file + :type path: pathlib.Path + :return: deserialized data + :rtype: dict + """ + + # TODO: raise an exception in case of error? + if not path.is_file(): + logger.info("File does not exist: %s", path) + return {} + try: + with gzip.open(str(path), "rb") as fp: + return json.load(fp, object_hook=models.model_json_decoder) + except (OSError, ValueError) as exc: + logger.warning(f"Loading JSON failed: {exc}") + return {} + + +def dump(path, data): + """ + Serialize data to file. + + :param path: full path to export file + :type path: pathlib.Path + :param data: dictionary containing data to save + :type data: dict + """ + + # TODO: cleanup directory/basename.* files. + tmp = tempfile.NamedTemporaryFile( + prefix=path.name + ".", dir=str(path.parent), delete=False + ) + tmp_path = pathlib.Path(tmp.name) + + try: + data_string = json.dumps( + data, cls=models.ModelJSONEncoder, indent=2, separators=(",", ": ") + ) + with gzip.GzipFile(fileobj=tmp, mode="wb") as fp: + fp.write(data_string.encode()) + tmp_path.rename(path) + finally: + if tmp_path.exists(): + tmp_path.unlink() diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/timer.py b/venv/lib/python3.7/site-packages/mopidy/internal/timer.py new file mode 100644 index 0000000..fb2d104 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/timer.py @@ -0,0 +1,14 @@ +import contextlib +import logging +import time + +from mopidy.internal import log + +logger = logging.getLogger(__name__) + + +@contextlib.contextmanager +def time_logger(name, level=log.TRACE_LOG_LEVEL): + start = time.time() + yield + logger.log(level, "%s took %dms", name, (time.time() - start) * 1000) diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/validation.py b/venv/lib/python3.7/site-packages/mopidy/internal/validation.py new file mode 100644 index 0000000..82feed1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/validation.py @@ -0,0 +1,133 @@ +import urllib +from collections.abc import Iterable, Mapping + +from mopidy import exceptions + +PLAYBACK_STATES = {"paused", "stopped", "playing"} + +SEARCH_FIELDS = { + "uri", + "track_name", + "album", + "artist", + "albumartist", + "composer", + "performer", + "track_no", + "genre", + "date", + "comment", + "any", +} + +PLAYLIST_FIELDS = {"uri", "name"} # TODO: add length and last_modified? + +TRACKLIST_FIELDS = { # TODO: add bitrate, length, disc_no, track_no, modified? + "uri", + "name", + "genre", + "date", + "comment", + "musicbrainz_id", +} + +DISTINCT_FIELDS = { + "track", + "artist", + "albumartist", + "album", + "composer", + "performer", + "date", + "genre", +} + + +# TODO: _check_iterable(check, msg, **kwargs) + [check(a) for a in arg]? +def _check_iterable(arg, msg, **kwargs): + """Ensure we have an iterable which is not a string or an iterator""" + if isinstance(arg, str): + raise exceptions.ValidationError(msg.format(arg=arg, **kwargs)) + elif not isinstance(arg, Iterable): + raise exceptions.ValidationError(msg.format(arg=arg, **kwargs)) + elif iter(arg) is iter(arg): + raise exceptions.ValidationError(msg.format(arg=arg, **kwargs)) + + +def check_choice(arg, choices, msg="Expected one of {choices}, not {arg!r}"): + if arg not in choices: + raise exceptions.ValidationError( + msg.format(arg=arg, choices=tuple(choices)) + ) + + +def check_boolean(arg, msg="Expected a boolean, not {arg!r}"): + check_instance(arg, bool, msg=msg) + + +def check_instance(arg, cls, msg="Expected a {name} instance, not {arg!r}"): + if not isinstance(arg, cls): + raise exceptions.ValidationError(msg.format(arg=arg, name=cls.__name__)) + + +def check_instances(arg, cls, msg="Expected a list of {name}, not {arg!r}"): + _check_iterable(arg, msg, name=cls.__name__) + if not all(isinstance(instance, cls) for instance in arg): + raise exceptions.ValidationError(msg.format(arg=arg, name=cls.__name__)) + + +def check_integer(arg, min=None, max=None): + if not isinstance(arg, int): + raise exceptions.ValidationError(f"Expected an integer, not {arg!r}") + elif min is not None and arg < min: + raise exceptions.ValidationError( + f"Expected number larger or equal to {min}, not {arg!r}" + ) + elif max is not None and arg > max: + raise exceptions.ValidationError( + f"Expected number smaller or equal to {max}, not {arg!r}" + ) + + +def check_query(arg, fields=SEARCH_FIELDS, list_values=True): + # TODO: normalize name -> track_name + # TODO: normalize value -> [value] + # TODO: normalize blank -> [] or just remove field? + # TODO: remove list_values? + + if not isinstance(arg, Mapping): + raise exceptions.ValidationError( + f"Expected a query dictionary, not {arg!r}" + ) + + for key, value in arg.items(): + check_choice( + key, + fields, + msg="Expected query field to be one of " "{choices}, not {arg!r}", + ) + if list_values: + msg = 'Expected "{key}" to be list of strings, not {arg!r}' + _check_iterable(value, msg, key=key) + [_check_query_value(key, v, msg) for v in value] + else: + _check_query_value( + key, value, 'Expected "{key}" to be a string, not {arg!r}' + ) + + +def _check_query_value(key, arg, msg): + if not isinstance(arg, str) or not arg.strip(): + raise exceptions.ValidationError(msg.format(arg=arg, key=key)) + + +def check_uri(arg, msg="Expected a valid URI, not {arg!r}"): + if not isinstance(arg, str): + raise exceptions.ValidationError(msg.format(arg=arg)) + elif urllib.parse.urlparse(arg).scheme == "": + raise exceptions.ValidationError(msg.format(arg=arg)) + + +def check_uris(arg, msg="Expected a list of URIs, not {arg!r}"): + _check_iterable(arg, msg) + [check_uri(a, msg) for a in arg] diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/versioning.py b/venv/lib/python3.7/site-packages/mopidy/internal/versioning.py new file mode 100644 index 0000000..c9406ee --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/versioning.py @@ -0,0 +1,29 @@ +import os +import subprocess + +import mopidy + + +def get_version(): + try: + return get_git_version() + except OSError: + return mopidy.__version__ + + +def get_git_version(): + project_dir = os.path.abspath( + os.path.join(os.path.dirname(mopidy.__file__), "..") + ) + process = subprocess.Popen( + ["git", "describe"], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + cwd=project_dir, + ) + if process.wait() != 0: + raise OSError('Execution of "git describe" failed') + version = process.stdout.read().strip().decode() + if version.startswith("v"): + version = version[1:] + return version diff --git a/venv/lib/python3.7/site-packages/mopidy/internal/xdg.py b/venv/lib/python3.7/site-packages/mopidy/internal/xdg.py new file mode 100644 index 0000000..66e732a --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/internal/xdg.py @@ -0,0 +1,68 @@ +import configparser +import os +import pathlib + + +def get_dirs(): + """Returns a dict of all the known XDG Base Directories for the current user. + + The keys ``XDG_CACHE_DIR``, ``XDG_CONFIG_DIR``, and ``XDG_DATA_DIR`` is + always available. + + Additional keys, like ``XDG_MUSIC_DIR``, may be available if the + ``$XDG_CONFIG_DIR/user-dirs.dirs`` file exists and is parseable. + + See http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html + for the XDG Base Directory specification. + """ + + dirs = { + "XDG_CACHE_DIR": pathlib.Path( + os.getenv("XDG_CACHE_HOME", "~/.cache") + ).expanduser(), + "XDG_CONFIG_DIR": pathlib.Path( + os.getenv("XDG_CONFIG_HOME", "~/.config") + ).expanduser(), + "XDG_DATA_DIR": pathlib.Path( + os.getenv("XDG_DATA_HOME", "~/.local/share") + ).expanduser(), + } + + dirs.update(_get_user_dirs(dirs["XDG_CONFIG_DIR"])) + + return dirs + + +def _get_user_dirs(xdg_config_dir): + """Returns a dict of XDG dirs read from + ``$XDG_CONFIG_HOME/user-dirs.dirs``. + + This is used at import time for most users of :mod:`mopidy`. By rolling our + own implementation instead of using :meth:`glib.get_user_special_dir` we + make it possible for many extensions to run their test suites, which are + importing parts of :mod:`mopidy`, in a virtualenv with global site-packages + disabled, and thus no :mod:`glib` available. + """ + + dirs_file = xdg_config_dir / "user-dirs.dirs" + + if not dirs_file.exists(): + return {} + + data = dirs_file.read_bytes() + data = b"[XDG_USER_DIRS]\n" + data + data = data.replace(b"$HOME", bytes(pathlib.Path.home())) + data = data.replace(b'"', b"") + + config = configparser.RawConfigParser() + config.read_string(data.decode()) + + result = {} + for k, v in config.items("XDG_USER_DIRS"): + if v is None: + continue + if isinstance(k, bytes): + k = k.decode() + result[k.upper()] = pathlib.Path(v).resolve() + + return result diff --git a/venv/lib/python3.7/site-packages/mopidy/listener.py b/venv/lib/python3.7/site-packages/mopidy/listener.py new file mode 100644 index 0000000..a302e9a --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/listener.py @@ -0,0 +1,45 @@ +import logging + +import pykka +from pykka.messages import ProxyCall + +logger = logging.getLogger(__name__) + + +def send(cls, event, **kwargs): + listeners = pykka.ActorRegistry.get_by_class(cls) + logger.debug("Sending %s to %s: %s", event, cls.__name__, kwargs) + for listener in listeners: + # Save time by calling methods on Pykka actor without creating a + # throwaway actor proxy. + # + # Because we use `.tell()` there is no return channel for any errors, + # so Pykka logs them immediately. The alternative would be to use + # `.ask()` and `.get()` the returned futures to block for the listeners + # to react and return their exceptions to us. Since emitting events in + # practise is making calls upwards in the stack, blocking here would + # quickly deadlock. + listener.tell( + ProxyCall(attr_path=["on_event"], args=[event], kwargs=kwargs,) + ) + + +class Listener: + def on_event(self, event, **kwargs): + """ + Called on all events. + + *MAY* be implemented by actor. By default, this method forwards the + event to the specific event methods. + + :param event: the event name + :type event: string + :param kwargs: any other arguments to the specific event handlers + """ + try: + getattr(self, event)(**kwargs) + except Exception: + # Ensure we don't crash the actor due to "bad" events. + logger.exception( + "Triggering event failed: %s(%s)", event, ", ".join(kwargs) + ) diff --git a/venv/lib/python3.7/site-packages/mopidy/local.py b/venv/lib/python3.7/site-packages/mopidy/local.py new file mode 100644 index 0000000..7bd95dd --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/local.py @@ -0,0 +1,13 @@ +# XXX This module is only here to ease the migration from Mopidy-Local being +# bundled with Mopidy to being an independent extension. This file should +# probably be removed before Mopidy 3.0 final ships. + +import warnings + +from mopidy_local import * # noqa + +warnings.warn( + "Mopidy-Local has been moved to its own project. " + "Update any imports from `mopidy.local` to use `mopidy_local` instead.", + DeprecationWarning, +) diff --git a/venv/lib/python3.7/site-packages/mopidy/m3u/__init__.py b/venv/lib/python3.7/site-packages/mopidy/m3u/__init__.py new file mode 100644 index 0000000..ab6f755 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/m3u/__init__.py @@ -0,0 +1,31 @@ +import logging +import os + +import mopidy +from mopidy import config, ext + +logger = logging.getLogger(__name__) + + +class Extension(ext.Extension): + + dist_name = "Mopidy-M3U" + ext_name = "m3u" + version = mopidy.__version__ + + def get_default_config(self): + conf_file = os.path.join(os.path.dirname(__file__), "ext.conf") + return config.read(conf_file) + + def get_config_schema(self): + schema = super().get_config_schema() + schema["base_dir"] = config.Path(optional=True) + schema["default_encoding"] = config.String() + schema["default_extension"] = config.String(choices=[".m3u", ".m3u8"]) + schema["playlists_dir"] = config.Path(optional=True) + return schema + + def setup(self, registry): + from .backend import M3UBackend + + registry.add("backend", M3UBackend) diff --git a/venv/lib/python3.7/site-packages/mopidy/m3u/backend.py b/venv/lib/python3.7/site-packages/mopidy/m3u/backend.py new file mode 100644 index 0000000..7047852 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/m3u/backend.py @@ -0,0 +1,13 @@ +import pykka + +from mopidy import backend + +from . import playlists + + +class M3UBackend(pykka.ThreadingActor, backend.Backend): + uri_schemes = ["m3u"] + + def __init__(self, config, audio): + super().__init__() + self.playlists = playlists.M3UPlaylistsProvider(self, config) diff --git a/venv/lib/python3.7/site-packages/mopidy/m3u/ext.conf b/venv/lib/python3.7/site-packages/mopidy/m3u/ext.conf new file mode 100644 index 0000000..16291c8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/m3u/ext.conf @@ -0,0 +1,6 @@ +[m3u] +enabled = true +playlists_dir = +base_dir = $XDG_MUSIC_DIR +default_encoding = latin-1 +default_extension = .m3u8 diff --git a/venv/lib/python3.7/site-packages/mopidy/m3u/playlists.py b/venv/lib/python3.7/site-packages/mopidy/m3u/playlists.py new file mode 100644 index 0000000..6f89d95 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/m3u/playlists.py @@ -0,0 +1,174 @@ +import contextlib +import locale +import logging +import operator +import os +import pathlib +import tempfile + +from mopidy import backend +from mopidy.internal import path + +from . import Extension, translator + +logger = logging.getLogger(__name__) + + +def log_environment_error(message, error): + if isinstance(error.strerror, bytes): + strerror = error.strerror.decode(locale.getpreferredencoding()) + else: + strerror = error.strerror + logger.error("%s: %s", message, strerror) + + +@contextlib.contextmanager +def replace(path, mode="w+b", encoding=None, errors=None): + (fd, tempname) = tempfile.mkstemp(dir=str(path.parent)) + tempname = pathlib.Path(tempname) + try: + fp = open(fd, mode, encoding=encoding, errors=errors) + except Exception: + tempname.unlink() + os.close(fd) + raise + try: + yield fp + fp.flush() + os.fsync(fd) + tempname.rename(path) + except Exception: + tempname.unlink() + raise + finally: + fp.close() + + +class M3UPlaylistsProvider(backend.PlaylistsProvider): + def __init__(self, backend, config): + super().__init__(backend) + + ext_config = config[Extension.ext_name] + if ext_config["playlists_dir"] is None: + self._playlists_dir = Extension.get_data_dir(config) + else: + self._playlists_dir = path.expand_path(ext_config["playlists_dir"]) + if ext_config["base_dir"] is None: + self._base_dir = self._playlists_dir + else: + self._base_dir = path.expand_path(ext_config["base_dir"]) + self._default_encoding = ext_config["default_encoding"] + self._default_extension = ext_config["default_extension"] + + def as_list(self): + result = [] + for entry in self._playlists_dir.iterdir(): + if entry.suffix not in [".m3u", ".m3u8"]: + continue + elif not entry.is_file(): + continue + else: + playlist_path = entry.relative_to(self._playlists_dir) + result.append(translator.path_to_ref(playlist_path)) + result.sort(key=operator.attrgetter("name")) + return result + + def create(self, name): + path = translator.path_from_name(name.strip(), self._default_extension) + try: + with self._open(path, "w"): + pass + mtime = self._abspath(path).stat().st_mtime + except OSError as e: + log_environment_error(f"Error creating playlist {name!r}", e) + else: + return translator.playlist(path, [], mtime) + + def delete(self, uri): + path = translator.uri_to_path(uri) + if not self._is_in_basedir(path): + logger.debug("Ignoring path outside playlist dir: %s", uri) + return False + try: + self._abspath(path).unlink() + except OSError as e: + log_environment_error(f"Error deleting playlist {uri!r}", e) + return False + else: + return True + + def get_items(self, uri): + path = translator.uri_to_path(uri) + if not self._is_in_basedir(path): + logger.debug("Ignoring path outside playlist dir: %s", uri) + return None + try: + with self._open(path, "r") as fp: + items = translator.load_items(fp, self._base_dir) + except OSError as e: + log_environment_error(f"Error reading playlist {uri!r}", e) + else: + return items + + def lookup(self, uri): + path = translator.uri_to_path(uri) + if not self._is_in_basedir(path): + logger.debug("Ignoring path outside playlist dir: %s", uri) + return None + try: + with self._open(path, "r") as fp: + items = translator.load_items(fp, self._base_dir) + mtime = self._abspath(path).stat().st_mtime + except OSError as e: + log_environment_error(f"Error reading playlist {uri!r}", e) + else: + return translator.playlist(path, items, mtime) + + def refresh(self): + pass # nothing to do + + def save(self, playlist): + path = translator.uri_to_path(playlist.uri) + if not self._is_in_basedir(path): + logger.debug("Ignoring path outside playlist dir: %s", playlist.uri) + return None + name = translator.name_from_path(path) + try: + with self._open(path, "w") as fp: + translator.dump_items(playlist.tracks, fp) + if playlist.name and playlist.name != name: + orig_path = path + path = translator.path_from_name(playlist.name.strip()) + path = path.with_suffix(orig_path.suffix) + self._abspath(orig_path).rename(self._abspath(path)) + mtime = self._abspath(path).stat().st_mtime + except OSError as e: + log_environment_error(f"Error saving playlist {playlist.uri!r}", e) + else: + return translator.playlist(path, playlist.tracks, mtime) + + def _abspath(self, path): + if not path.is_absolute(): + return self._playlists_dir / path + else: + return path + + def _is_in_basedir(self, local_path): + local_path = self._abspath(local_path) + return path.is_path_inside_base_dir(local_path, self._playlists_dir) + + def _open(self, path, mode="r"): + if path.suffix == ".m3u8": + encoding = "utf-8" + else: + encoding = self._default_encoding + if not path.is_absolute(): + path = self._abspath(path) + if not self._is_in_basedir(path): + raise Exception( + f"Path {path!r} is not inside playlist dir {self._playlist_dir!r}" + ) + if "w" in mode: + return replace(path, mode, encoding=encoding, errors="replace") + else: + return path.open(mode, encoding=encoding, errors="replace") diff --git a/venv/lib/python3.7/site-packages/mopidy/m3u/translator.py b/venv/lib/python3.7/site-packages/mopidy/m3u/translator.py new file mode 100644 index 0000000..31afcf3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/m3u/translator.py @@ -0,0 +1,87 @@ +import os +import pathlib +import urllib + +from mopidy import models +from mopidy.internal import path + +from . import Extension + + +def path_to_uri(path, scheme=Extension.ext_name): + """Convert file path to URI.""" + bytes_path = os.path.normpath(bytes(path)) + uripath = urllib.parse.quote_from_bytes(bytes_path) + return urllib.parse.urlunsplit((scheme, None, uripath, None, None)) + + +def uri_to_path(uri): + """Convert URI to file path.""" + return path.uri_to_path(uri) + + +def name_from_path(path): + """Extract name from file path.""" + name = bytes(pathlib.Path(path.stem)) + try: + return name.decode(errors="replace") + except UnicodeError: + return None + + +def path_from_name(name, ext=None, sep="|"): + """Convert name with optional extension to file path.""" + if ext: + name = name.replace(os.sep, sep) + ext + else: + name = name.replace(os.sep, sep) + return pathlib.Path(name) + + +def path_to_ref(path): + return models.Ref.playlist(uri=path_to_uri(path), name=name_from_path(path)) + + +def load_items(fp, basedir): + refs = [] + name = None + for line in filter(None, (line.strip() for line in fp)): + if line.startswith("#"): + if line.startswith("#EXTINF:"): + name = line.partition(",")[2] + continue + elif not urllib.parse.urlsplit(line).scheme: + path = basedir / line + if not name: + name = name_from_path(path) + uri = path_to_uri(path, scheme="file") + else: + # TODO: ensure this is urlencoded + uri = line # do *not* extract name from (stream?) URI path + refs.append(models.Ref.track(uri=uri, name=name)) + name = None + return refs + + +def dump_items(items, fp): + if any(item.name for item in items): + print("#EXTM3U", file=fp) + for item in items: + if item.name: + print(f"#EXTINF:-1,{item.name}", file=fp) + # TODO: convert file URIs to (relative) paths? + if isinstance(item.uri, bytes): + print(item.uri.decode(), file=fp) + else: + print(item.uri, file=fp) + + +def playlist(path, items=None, mtime=None): + if items is None: + items = [] + return models.Playlist( + uri=path_to_uri(path), + name=name_from_path(path), + tracks=[models.Track(uri=item.uri, name=item.name) for item in items], + last_modified=(int(mtime * 1000) if mtime else None), + ) diff --git a/venv/lib/python3.7/site-packages/mopidy/mixer.py b/venv/lib/python3.7/site-packages/mopidy/mixer.py new file mode 100644 index 0000000..3ae6389 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/mixer.py @@ -0,0 +1,152 @@ +import logging + +from mopidy import listener + +logger = logging.getLogger(__name__) + + +class Mixer: + + """ + Audio mixer API + + If the mixer has problems during initialization it should raise + :exc:`mopidy.exceptions.MixerError` with a descriptive error message. This + will make Mopidy print the error message and exit so that the user can fix + the issue. + + :param config: the entire Mopidy configuration + :type config: dict + """ + + name = None + """ + Name of the mixer. + + Used when configuring what mixer to use. Should match the + :attr:`~mopidy.ext.Extension.ext_name` of the extension providing the + mixer. + """ + + def __init__(self, config): + pass + + def get_volume(self): + """ + Get volume level of the mixer on a linear scale from 0 to 100. + + Example values: + + 0: + Minimum volume, usually silent. + 100: + Maximum volume. + :class:`None`: + Volume is unknown. + + *MAY be implemented by subclass.* + + :rtype: int in range [0..100] or :class:`None` + """ + return None + + def set_volume(self, volume): + """ + Set volume level of the mixer. + + *MAY be implemented by subclass.* + + :param volume: Volume in the range [0..100] + :type volume: int + :rtype: :class:`True` if success, :class:`False` if failure + """ + return False + + def trigger_volume_changed(self, volume): + """ + Send ``volume_changed`` event to all mixer listeners. + + This method should be called by subclasses when the volume is changed, + either because of a call to :meth:`set_volume` or because of any + external entity changing the volume. + """ + logger.debug("Mixer event: volume_changed(volume=%d)", volume) + MixerListener.send("volume_changed", volume=volume) + + def get_mute(self): + """ + Get mute state of the mixer. + + *MAY be implemented by subclass.* + + :rtype: :class:`True` if muted, :class:`False` if unmuted, + :class:`None` if unknown. + """ + return None + + def set_mute(self, mute): + """ + Mute or unmute the mixer. + + *MAY be implemented by subclass.* + + :param mute: :class:`True` to mute, :class:`False` to unmute + :type mute: bool + :rtype: :class:`True` if success, :class:`False` if failure + """ + return False + + def trigger_mute_changed(self, mute): + """ + Send ``mute_changed`` event to all mixer listeners. + + This method should be called by subclasses when the mute state is + changed, either because of a call to :meth:`set_mute` or because of + any external entity changing the mute state. + """ + logger.debug("Mixer event: mute_changed(mute=%s)", mute) + MixerListener.send("mute_changed", mute=mute) + + def ping(self): + """Called to check if the actor is still alive.""" + return True + + +class MixerListener(listener.Listener): + + """ + Marker interface for recipients of events sent by the mixer actor. + + Any Pykka actor that mixes in this class will receive calls to the methods + defined here when the corresponding events happen in the mixer actor. This + interface is used both for looking up what actors to notify of the events, + and for providing default implementations for those listeners that are not + interested in all events. + """ + + @staticmethod + def send(event, **kwargs): + """Helper to allow calling of mixer listener events""" + listener.send(MixerListener, event, **kwargs) + + def volume_changed(self, volume): + """ + Called after the volume has changed. + + *MAY* be implemented by actor. + + :param volume: the new volume + :type volume: int in range [0..100] + """ + pass + + def mute_changed(self, mute): + """ + Called after the mute state has changed. + + *MAY* be implemented by actor. + + :param mute: :class:`True` if muted, :class:`False` if not muted + :type mute: bool + """ + pass diff --git a/venv/lib/python3.7/site-packages/mopidy/models/__init__.py b/venv/lib/python3.7/site-packages/mopidy/models/__init__.py new file mode 100644 index 0000000..9342783 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/models/__init__.py @@ -0,0 +1,361 @@ +from mopidy.models import fields +from mopidy.models.immutable import ImmutableObject, ValidatedImmutableObject +from mopidy.models.serialize import ModelJSONEncoder, model_json_decoder + +__all__ = [ + "ImmutableObject", + "Ref", + "Image", + "Artist", + "Album", + "Track", + "TlTrack", + "Playlist", + "SearchResult", + "model_json_decoder", + "ModelJSONEncoder", + "ValidatedImmutableObject", +] + + +class Ref(ValidatedImmutableObject): + + """ + Model to represent URI references with a human friendly name and type + attached. This is intended for use a lightweight object "free" of metadata + that can be passed around instead of using full blown models. + + :param uri: object URI + :type uri: string + :param name: object name + :type name: string + :param type: object type + :type type: string + """ + + #: The object URI. Read-only. + uri = fields.URI() + + #: The object name. Read-only. + name = fields.String() + + #: The object type, e.g. "artist", "album", "track", "playlist", + #: "directory". Read-only. + type = fields.Identifier() # TODO: consider locking this down. + # type = fields.Field(choices=(ALBUM, ARTIST, DIRECTORY, PLAYLIST, TRACK)) + + #: Constant used for comparison with the :attr:`type` field. + ALBUM = "album" + + #: Constant used for comparison with the :attr:`type` field. + ARTIST = "artist" + + #: Constant used for comparison with the :attr:`type` field. + DIRECTORY = "directory" + + #: Constant used for comparison with the :attr:`type` field. + PLAYLIST = "playlist" + + #: Constant used for comparison with the :attr:`type` field. + TRACK = "track" + + @classmethod + def album(cls, **kwargs): + """Create a :class:`Ref` with ``type`` :attr:`ALBUM`.""" + kwargs["type"] = Ref.ALBUM + return cls(**kwargs) + + @classmethod + def artist(cls, **kwargs): + """Create a :class:`Ref` with ``type`` :attr:`ARTIST`.""" + kwargs["type"] = Ref.ARTIST + return cls(**kwargs) + + @classmethod + def directory(cls, **kwargs): + """Create a :class:`Ref` with ``type`` :attr:`DIRECTORY`.""" + kwargs["type"] = Ref.DIRECTORY + return cls(**kwargs) + + @classmethod + def playlist(cls, **kwargs): + """Create a :class:`Ref` with ``type`` :attr:`PLAYLIST`.""" + kwargs["type"] = Ref.PLAYLIST + return cls(**kwargs) + + @classmethod + def track(cls, **kwargs): + """Create a :class:`Ref` with ``type`` :attr:`TRACK`.""" + kwargs["type"] = Ref.TRACK + return cls(**kwargs) + + +class Image(ValidatedImmutableObject): + + """ + :param string uri: URI of the image + :param int width: Optional width of image or :class:`None` + :param int height: Optional height of image or :class:`None` + """ + + #: The image URI. Read-only. + uri = fields.URI() + + #: Optional width of the image or :class:`None`. Read-only. + width = fields.Integer(min=0) + + #: Optional height of the image or :class:`None`. Read-only. + height = fields.Integer(min=0) + + +class Artist(ValidatedImmutableObject): + + """ + :param uri: artist URI + :type uri: string + :param name: artist name + :type name: string + :param sortname: artist name for sorting + :type sortname: string + :param musicbrainz_id: MusicBrainz ID + :type musicbrainz_id: string + """ + + #: The artist URI. Read-only. + uri = fields.URI() + + #: The artist name. Read-only. + name = fields.String() + + #: Artist name for better sorting, e.g. with articles stripped + sortname = fields.String() + + #: The MusicBrainz ID of the artist. Read-only. + musicbrainz_id = fields.Identifier() + + +class Album(ValidatedImmutableObject): + + """ + :param uri: album URI + :type uri: string + :param name: album name + :type name: string + :param artists: album artists + :type artists: list of :class:`Artist` + :param num_tracks: number of tracks in album + :type num_tracks: integer or :class:`None` if unknown + :param num_discs: number of discs in album + :type num_discs: integer or :class:`None` if unknown + :param date: album release date (YYYY or YYYY-MM-DD) + :type date: string + :param musicbrainz_id: MusicBrainz ID + :type musicbrainz_id: string + """ + + #: The album URI. Read-only. + uri = fields.URI() + + #: The album name. Read-only. + name = fields.String() + + #: A set of album artists. Read-only. + artists = fields.Collection(type=Artist, container=frozenset) + + #: The number of tracks in the album. Read-only. + num_tracks = fields.Integer(min=0) + + #: The number of discs in the album. Read-only. + num_discs = fields.Integer(min=0) + + #: The album release date. Read-only. + date = fields.Date() + + #: The MusicBrainz ID of the album. Read-only. + musicbrainz_id = fields.Identifier() + + +class Track(ValidatedImmutableObject): + + """ + :param uri: track URI + :type uri: string + :param name: track name + :type name: string + :param artists: track artists + :type artists: list of :class:`Artist` + :param album: track album + :type album: :class:`Album` + :param composers: track composers + :type composers: list of :class:`Artist` + :param performers: track performers + :type performers: list of :class:`Artist` + :param genre: track genre + :type genre: string + :param track_no: track number in album + :type track_no: integer or :class:`None` if unknown + :param disc_no: disc number in album + :type disc_no: integer or :class:`None` if unknown + :param date: track release date (YYYY or YYYY-MM-DD) + :type date: string + :param length: track length in milliseconds + :type length: integer or :class:`None` if there is no duration + :param bitrate: bitrate in kbit/s + :type bitrate: integer + :param comment: track comment + :type comment: string + :param musicbrainz_id: MusicBrainz ID + :type musicbrainz_id: string + :param last_modified: Represents last modification time + :type last_modified: integer or :class:`None` if unknown + """ + + #: The track URI. Read-only. + uri = fields.URI() + + #: The track name. Read-only. + name = fields.String() + + #: A set of track artists. Read-only. + artists = fields.Collection(type=Artist, container=frozenset) + + #: The track :class:`Album`. Read-only. + album = fields.Field(type=Album) + + #: A set of track composers. Read-only. + composers = fields.Collection(type=Artist, container=frozenset) + + #: A set of track performers`. Read-only. + performers = fields.Collection(type=Artist, container=frozenset) + + #: The track genre. Read-only. + genre = fields.String() + + #: The track number in the album. Read-only. + track_no = fields.Integer(min=0) + + #: The disc number in the album. Read-only. + disc_no = fields.Integer(min=0) + + #: The track release date. Read-only. + date = fields.Date() + + #: The track length in milliseconds. Read-only. + length = fields.Integer(min=0) + + #: The track's bitrate in kbit/s. Read-only. + bitrate = fields.Integer(min=0) + + #: The track comment. Read-only. + comment = fields.String() + + #: The MusicBrainz ID of the track. Read-only. + musicbrainz_id = fields.Identifier() + + #: Integer representing when the track was last modified. Exact meaning + #: depends on source of track. For local files this is the modification + #: time in milliseconds since Unix epoch. For other backends it could be an + #: equivalent timestamp or simply a version counter. + last_modified = fields.Integer(min=0) + + +class TlTrack(ValidatedImmutableObject): + + """ + A tracklist track. Wraps a regular track and it's tracklist ID. + + The use of :class:`TlTrack` allows the same track to appear multiple times + in the tracklist. + + This class also accepts it's parameters as positional arguments. Both + arguments must be provided, and they must appear in the order they are + listed here. + + This class also supports iteration, so your extract its values like this:: + + (tlid, track) = tl_track + + :param tlid: tracklist ID + :type tlid: int + :param track: the track + :type track: :class:`Track` + """ + + #: The tracklist ID. Read-only. + tlid = fields.Integer(min=0) + + #: The track. Read-only. + track = fields.Field(type=Track) + + def __init__(self, *args, **kwargs): + if len(args) == 2 and len(kwargs) == 0: + kwargs["tlid"] = args[0] + kwargs["track"] = args[1] + args = [] + super().__init__(*args, **kwargs) + + def __iter__(self): + return iter([self.tlid, self.track]) + + +class Playlist(ValidatedImmutableObject): + + """ + :param uri: playlist URI + :type uri: string + :param name: playlist name + :type name: string + :param tracks: playlist's tracks + :type tracks: list of :class:`Track` elements + :param last_modified: + playlist's modification time in milliseconds since Unix epoch + :type last_modified: int + """ + + #: The playlist URI. Read-only. + uri = fields.URI() + + #: The playlist name. Read-only. + name = fields.String() + + #: The playlist's tracks. Read-only. + tracks = fields.Collection(type=Track, container=tuple) + + #: The playlist modification time in milliseconds since Unix epoch. + #: Read-only. + #: + #: Integer, or :class:`None` if unknown. + last_modified = fields.Integer(min=0) + + # TODO: def insert(self, pos, track): ... ? + + @property + def length(self): + """The number of tracks in the playlist. Read-only.""" + return len(self.tracks) + + +class SearchResult(ValidatedImmutableObject): + + """ + :param uri: search result URI + :type uri: string + :param tracks: matching tracks + :type tracks: list of :class:`Track` elements + :param artists: matching artists + :type artists: list of :class:`Artist` elements + :param albums: matching albums + :type albums: list of :class:`Album` elements + """ + + #: The search result URI. Read-only. + uri = fields.URI() + + #: The tracks matching the search query. Read-only. + tracks = fields.Collection(type=Track, container=tuple) + + #: The artists matching the search query. Read-only. + artists = fields.Collection(type=Artist, container=tuple) + + #: The albums matching the search query. Read-only. + albums = fields.Collection(type=Album, container=tuple) diff --git a/venv/lib/python3.7/site-packages/mopidy/models/fields.py b/venv/lib/python3.7/site-packages/mopidy/models/fields.py new file mode 100644 index 0000000..901aba6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/models/fields.py @@ -0,0 +1,179 @@ +import sys + + +class Field: + + """ + Base field for use in + :class:`~mopidy.models.immutable.ValidatedImmutableObject`. These fields + are responsible for type checking and other data sanitation in our models. + + For simplicity fields use the Python descriptor protocol to store the + values in the instance dictionary. Also note that fields are mutable if + the object they are attached to allow it. + + Default values will be validated with the exception of :class:`None`. + + :param default: default value for field + :param type: if set the field value must be of this type + :param choices: if set the field value must be one of these + """ + + def __init__(self, default=None, type=None, choices=None): + self._name = None # Set by ValidatedImmutableObjectMeta + self._choices = choices + self._default = default + self._type = type + + if self._default is not None: + self.validate(self._default) + + def validate(self, value): + """Validate and possibly modify the field value before assignment""" + if self._type and not isinstance(value, self._type): + raise TypeError( + f"Expected {self._name} to be a {self._type}, not {value!r}" + ) + if self._choices and value not in self._choices: + raise TypeError( + f"Expected {self._name} to be a one of {self._choices}, not {value!r}" + ) + return value + + def __get__(self, instance, owner): + if not instance: + return self + return getattr(instance, "_" + self._name, self._default) + + def __set__(self, instance, value): + if value is not None: + value = self.validate(value) + + if value is None or value == self._default: + self.__delete__(instance) + else: + setattr(instance, "_" + self._name, value) + + def __delete__(self, instance): + if hasattr(instance, "_" + self._name): + delattr(instance, "_" + self._name) + + +class String(Field): + + """ + Specialized :class:`Field` which is wired up for bytes and unicode. + + :param default: default value for field + """ + + def __init__(self, default=None): + # TODO: normalize to unicode? + # TODO: only allow unicode? + # TODO: disallow empty strings? + super().__init__(type=str, default=default) + + +class Date(String): + """ + :class:`Field` for storing ISO 8601 dates as a string. + + Supported formats are ``YYYY-MM-DD``, ``YYYY-MM`` and ``YYYY``, currently + not validated. + + :param default: default value for field + """ + + pass # TODO: make this check for YYYY-MM-DD, YYYY-MM, YYYY using strptime. + + +class Identifier(String): + """ + :class:`Field` for storing values such as GUIDs or other identifiers. + + Values will be interned. + + :param default: default value for field + """ + + def validate(self, value): + value = super().validate(value) + if isinstance(value, bytes): + value = value.decode() + return sys.intern(value) + + +class URI(Identifier): + """ + :class:`Field` for storing URIs + + Values will be interned, currently not validated. + + :param default: default value for field + """ + + pass # TODO: validate URIs? + + +class Integer(Field): + """ + :class:`Field` for storing integer numbers. + + :param default: default value for field + :param min: field value must be larger or equal to this value when set + :param max: field value must be smaller or equal to this value when set + """ + + def __init__(self, default=None, min=None, max=None): + self._min = min + self._max = max + super().__init__(type=int, default=default) + + def validate(self, value): + value = super().validate(value) + if self._min is not None and value < self._min: + raise ValueError( + f"Expected {self._name} to be at least {self._min}, not {value:d}" + ) + if self._max is not None and value > self._max: + raise ValueError( + f"Expected {self._name} to be at most {self._max}, not {value:d}" + ) + return value + + +class Boolean(Field): + """ + :class:`Field` for storing boolean values + + :param default: default value for field + """ + + def __init__(self, default=None): + super().__init__(type=bool, default=default) + + +class Collection(Field): + """ + :class:`Field` for storing collections of a given type. + + :param type: all items stored in the collection must be of this type + :param container: the type to store the items in + """ + + def __init__(self, type, container=tuple): + super().__init__(type=type, default=container()) + + def validate(self, value): + if isinstance(value, str): + raise TypeError( + f"Expected {self._name} to be a collection of " + f"{self._type.__name__}, not {value!r}" + ) + for v in value: + if not isinstance(v, self._type): + raise TypeError( + f"Expected {self._name} to be a collection of " + f"{self._type.__name__}, not {value!r}" + ) + return self._default.__class__(value) or None diff --git a/venv/lib/python3.7/site-packages/mopidy/models/immutable.py b/venv/lib/python3.7/site-packages/mopidy/models/immutable.py new file mode 100644 index 0000000..fbf29ed --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/models/immutable.py @@ -0,0 +1,219 @@ +import copy +import itertools +import weakref + +from mopidy.models.fields import Field + +# Registered models for automatic deserialization +_models = {} + + +class ImmutableObject: + """ + Superclass for immutable objects whose fields can only be modified via the + constructor. + + This version of this class has been retained to avoid breaking any clients + relying on it's behavior. Internally in Mopidy we now use + :class:`ValidatedImmutableObject` for type safety and it's much smaller + memory footprint. + + :param kwargs: kwargs to set as fields on the object + :type kwargs: any + """ + + # Any sub-classes that don't set slots won't be effected by the base using + # slots as they will still get an instance dict. + __slots__ = ["__weakref__"] + + def __init__(self, *args, **kwargs): + for key, value in kwargs.items(): + if not self._is_valid_field(key): + raise TypeError( + f"__init__() got an unexpected keyword argument {key!r}" + ) + self._set_field(key, value) + + def __setattr__(self, name, value): + if name.startswith("_"): + object.__setattr__(self, name, value) + else: + raise AttributeError("Object is immutable.") + + def __delattr__(self, name): + if name.startswith("_"): + object.__delattr__(self, name) + else: + raise AttributeError("Object is immutable.") + + def _is_valid_field(self, name): + return hasattr(self, name) and not callable(getattr(self, name)) + + def _set_field(self, name, value): + if value == getattr(self.__class__, name): + self.__dict__.pop(name, None) + else: + self.__dict__[name] = value + + def _items(self): + return self.__dict__.items() + + def __repr__(self): + kwarg_pairs = [] + for key, value in sorted(self._items()): + if isinstance(value, (frozenset, tuple)): + if not value: + continue + value = list(value) + kwarg_pairs.append(f"{key}={value!r}") + return f"{self.__class__.__name__}({', '.join(kwarg_pairs)})" + + def __hash__(self): + hash_sum = 0 + for key, value in self._items(): + hash_sum += hash(key) + hash(value) + return hash_sum + + def __eq__(self, other): + if not isinstance(other, self.__class__): + return False + return all( + a == b + for a, b in itertools.zip_longest( + self._items(), other._items(), fillvalue=object() + ) + ) + + def __ne__(self, other): + return not self.__eq__(other) + + def replace(self, **kwargs): + """ + Replace the fields in the model and return a new instance + + Examples:: + + # Returns a track with a new name + Track(name='foo').replace(name='bar') + # Return an album with a new number of tracks + Album(num_tracks=2).replace(num_tracks=5) + + :param kwargs: kwargs to set as fields on the object + :type kwargs: any + :rtype: instance of the model with replaced fields + """ + other = copy.copy(self) + for key, value in kwargs.items(): + if not self._is_valid_field(key): + raise TypeError( + f"replace() got an unexpected keyword argument {key!r}" + ) + other._set_field(key, value) + return other + + def serialize(self): + data = {} + data["__model__"] = self.__class__.__name__ + for key, value in self._items(): + if isinstance(value, (set, frozenset, list, tuple)): + value = [ + v.serialize() if isinstance(v, ImmutableObject) else v + for v in value + ] + elif isinstance(value, ImmutableObject): + value = value.serialize() + if not (isinstance(value, list) and len(value) == 0): + data[key] = value + return data + + +class _ValidatedImmutableObjectMeta(type): + + """Helper that initializes fields, slots and memoizes instance creation.""" + + def __new__(cls, name, bases, attrs): + fields = {} + + for base in bases: # Copy parent fields over to our state + fields.update(getattr(base, "_fields", {})) + + for key, value in attrs.items(): # Add our own fields + if isinstance(value, Field): + fields[key] = "_" + key + value._name = key + + attrs["_fields"] = fields + attrs["_instances"] = weakref.WeakValueDictionary() + attrs["__slots__"] = list(attrs.get("__slots__", [])) + list( + fields.values() + ) + + clsc = super().__new__(cls, name, bases, attrs) + + if clsc.__name__ != "ValidatedImmutableObject": + _models[clsc.__name__] = clsc + + return clsc + + def __call__(cls, *args, **kwargs): # noqa: N805 + instance = super().__call__(*args, **kwargs) + return cls._instances.setdefault(weakref.ref(instance), instance) + + +class ValidatedImmutableObject( + ImmutableObject, metaclass=_ValidatedImmutableObjectMeta +): + """ + Superclass for immutable objects whose fields can only be modified via the + constructor. Fields should be :class:`Field` instances to ensure type + safety in our models. + + Note that since these models can not be changed, we heavily memoize them + to save memory. So constructing a class with the same arguments twice will + give you the same instance twice. + """ + + __slots__ = ["_hash"] + + def __hash__(self): + if not hasattr(self, "_hash"): + hash_sum = super().__hash__() + object.__setattr__(self, "_hash", hash_sum) + return self._hash + + def _is_valid_field(self, name): + return name in self._fields + + def _set_field(self, name, value): + object.__setattr__(self, name, value) + + def _items(self): + for field, key in self._fields.items(): + if hasattr(self, key): + yield field, getattr(self, key) + + def replace(self, **kwargs): + """ + Replace the fields in the model and return a new instance + + Examples:: + + # Returns a track with a new name + Track(name='foo').replace(name='bar') + # Return an album with a new number of tracks + Album(num_tracks=2).replace(num_tracks=5) + + Note that internally we memoize heavily to keep memory usage down given + our overly repetitive data structures. So you might get an existing + instance if it contains the same values. + + :param kwargs: kwargs to set as fields on the object + :type kwargs: any + :rtype: instance of the model with replaced fields + """ + if not kwargs: + return self + other = super().replace(**kwargs) + if hasattr(self, "_hash"): + object.__delattr__(other, "_hash") + return self._instances.setdefault(weakref.ref(other), other) diff --git a/venv/lib/python3.7/site-packages/mopidy/models/serialize.py b/venv/lib/python3.7/site-packages/mopidy/models/serialize.py new file mode 100644 index 0000000..066f3ff --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/models/serialize.py @@ -0,0 +1,43 @@ +import json + +from mopidy.models import immutable + + +class ModelJSONEncoder(json.JSONEncoder): + + """ + Automatically serialize Mopidy models to JSON. + + Usage:: + + >>> import json + >>> json.dumps({'a_track': Track(name='name')}, cls=ModelJSONEncoder) + '{"a_track": {"__model__": "Track", "name": "name"}}' + + """ + + def default(self, obj): + if isinstance(obj, immutable.ImmutableObject): + return obj.serialize() + return json.JSONEncoder.default(self, obj) + + +def model_json_decoder(dct): + """ + Automatically deserialize Mopidy models from JSON. + + Usage:: + + >>> import json + >>> json.loads( + ... '{"a_track": {"__model__": "Track", "name": "name"}}', + ... object_hook=model_json_decoder) + {u'a_track': Track(artists=[], name=u'name')} + + """ + if "__model__" in dct: + model_name = dct.pop("__model__") + if model_name in immutable._models: + cls = immutable._models[model_name] + return cls(**dct) + return dct diff --git a/venv/lib/python3.7/site-packages/mopidy/softwaremixer/__init__.py b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/__init__.py new file mode 100644 index 0000000..6966b4e --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/__init__.py @@ -0,0 +1,24 @@ +import os + +import mopidy +from mopidy import config, ext + + +class Extension(ext.Extension): + + dist_name = "Mopidy-SoftwareMixer" + ext_name = "softwaremixer" + version = mopidy.__version__ + + def get_default_config(self): + conf_file = os.path.join(os.path.dirname(__file__), "ext.conf") + return config.read(conf_file) + + def get_config_schema(self): + schema = super().get_config_schema() + return schema + + def setup(self, registry): + from .mixer import SoftwareMixer + + registry.add("mixer", SoftwareMixer) diff --git a/venv/lib/python3.7/site-packages/mopidy/softwaremixer/ext.conf b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/ext.conf new file mode 100644 index 0000000..47a98ba --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/ext.conf @@ -0,0 +1,2 @@ +[softwaremixer] +enabled = true diff --git a/venv/lib/python3.7/site-packages/mopidy/softwaremixer/mixer.py b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/mixer.py new file mode 100644 index 0000000..43f4055 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/softwaremixer/mixer.py @@ -0,0 +1,58 @@ +import logging + +import pykka + +from mopidy import mixer + +logger = logging.getLogger(__name__) + + +class SoftwareMixer(pykka.ThreadingActor, mixer.Mixer): + + name = "software" + + def __init__(self, config): + super().__init__(config) + + self._audio_mixer = None + self._initial_volume = None + self._initial_mute = None + + def setup(self, mixer_ref): + self._audio_mixer = mixer_ref + + # The Mopidy startup procedure will set the initial volume of a + # mixer, but this happens before the audio actor's mixer is injected + # into the software mixer actor and has no effect. Thus, we need to set + # the initial volume again. + if self._initial_volume is not None: + self.set_volume(self._initial_volume) + if self._initial_mute is not None: + self.set_mute(self._initial_mute) + + def teardown(self): + self._audio_mixer = None + + def get_volume(self): + if self._audio_mixer is None: + return None + return self._audio_mixer.get_volume().get() + + def set_volume(self, volume): + if self._audio_mixer is None: + self._initial_volume = volume + return False + self._audio_mixer.set_volume(volume) + return True + + def get_mute(self): + if self._audio_mixer is None: + return None + return self._audio_mixer.get_mute().get() + + def set_mute(self, mute): + if self._audio_mixer is None: + self._initial_mute = mute + return False + self._audio_mixer.set_mute(mute) + return True diff --git a/venv/lib/python3.7/site-packages/mopidy/stream/__init__.py b/venv/lib/python3.7/site-packages/mopidy/stream/__init__.py new file mode 100644 index 0000000..aaeaad1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/stream/__init__.py @@ -0,0 +1,30 @@ +import os + +import mopidy +from mopidy import config, ext + + +class Extension(ext.Extension): + + dist_name = "Mopidy-Stream" + ext_name = "stream" + version = mopidy.__version__ + + def get_default_config(self): + conf_file = os.path.join(os.path.dirname(__file__), "ext.conf") + return config.read(conf_file) + + def get_config_schema(self): + schema = super().get_config_schema() + schema["protocols"] = config.List() + schema["metadata_blacklist"] = config.List(optional=True) + schema["timeout"] = config.Integer(minimum=1000, maximum=1000 * 60 * 60) + return schema + + def validate_environment(self): + pass + + def setup(self, registry): + from .actor import StreamBackend + + registry.add("backend", StreamBackend) diff --git a/venv/lib/python3.7/site-packages/mopidy/stream/actor.py b/venv/lib/python3.7/site-packages/mopidy/stream/actor.py new file mode 100644 index 0000000..8c993fb --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/stream/actor.py @@ -0,0 +1,187 @@ +import fnmatch +import logging +import re +import time +import urllib + +import pykka + +from mopidy import audio as audio_lib +from mopidy import backend, exceptions, stream +from mopidy.audio import scan, tags +from mopidy.internal import http, playlists +from mopidy.models import Track + +logger = logging.getLogger(__name__) + + +class StreamBackend(pykka.ThreadingActor, backend.Backend): + def __init__(self, config, audio): + super().__init__() + + self._scanner = scan.Scanner( + timeout=config["stream"]["timeout"], proxy_config=config["proxy"] + ) + + self._session = http.get_requests_session( + proxy_config=config["proxy"], + user_agent=( + f"{stream.Extension.dist_name}/{stream.Extension.version}" + ), + ) + + blacklist = config["stream"]["metadata_blacklist"] + self._blacklist_re = re.compile( + r"^(%s)$" % "|".join(fnmatch.translate(u) for u in blacklist) + ) + + self._timeout = config["stream"]["timeout"] + + self.library = StreamLibraryProvider(backend=self) + self.playback = StreamPlaybackProvider(audio=audio, backend=self) + self.playlists = None + + self.uri_schemes = audio_lib.supported_uri_schemes( + config["stream"]["protocols"] + ) + + if "file" in self.uri_schemes and config["file"]["enabled"]: + logger.warning( + 'The stream/protocols config value includes the "file" ' + 'protocol. "file" playback is now handled by Mopidy-File. ' + "Please remove it from the stream/protocols config." + ) + self.uri_schemes -= {"file"} + + +class StreamLibraryProvider(backend.LibraryProvider): + def lookup(self, uri): + if urllib.parse.urlsplit(uri).scheme not in self.backend.uri_schemes: + return [] + + if self.backend._blacklist_re.match(uri): + logger.debug("URI matched metadata lookup blacklist: %s", uri) + return [Track(uri=uri)] + + _, scan_result = _unwrap_stream( + uri, + timeout=self.backend._timeout, + scanner=self.backend._scanner, + requests_session=self.backend._session, + ) + + if scan_result: + track = tags.convert_tags_to_track(scan_result.tags).replace( + uri=uri, length=scan_result.duration + ) + else: + logger.warning("Problem looking up %s", uri) + track = Track(uri=uri) + + return [track] + + +class StreamPlaybackProvider(backend.PlaybackProvider): + def translate_uri(self, uri): + if urllib.parse.urlsplit(uri).scheme not in self.backend.uri_schemes: + return None + + if self.backend._blacklist_re.match(uri): + logger.debug("URI matched metadata lookup blacklist: %s", uri) + return uri + + unwrapped_uri, _ = _unwrap_stream( + uri, + timeout=self.backend._timeout, + scanner=self.backend._scanner, + requests_session=self.backend._session, + ) + return unwrapped_uri + + +# TODO: cleanup the return value of this. +def _unwrap_stream(uri, timeout, scanner, requests_session): + """ + Get a stream URI from a playlist URI, ``uri``. + + Unwraps nested playlists until something that's not a playlist is found or + the ``timeout`` is reached. + """ + + original_uri = uri + seen_uris = set() + deadline = time.time() + timeout + + while time.time() < deadline: + if uri in seen_uris: + logger.info( + "Unwrapping stream from URI (%s) failed: " + "playlist referenced itself", + uri, + ) + return None, None + else: + seen_uris.add(uri) + + logger.debug("Unwrapping stream from URI: %s", uri) + + try: + scan_timeout = deadline - time.time() + if scan_timeout < 0: + logger.info( + "Unwrapping stream from URI (%s) failed: " + "timed out in %sms", + uri, + timeout, + ) + return None, None + scan_result = scanner.scan(uri, timeout=scan_timeout) + except exceptions.ScannerError as exc: + logger.debug("GStreamer failed scanning URI (%s): %s", uri, exc) + scan_result = None + + if scan_result is not None: + has_interesting_mime = ( + scan_result.mime is not None + and not scan_result.mime.startswith("text/") + and not scan_result.mime.startswith("application/") + ) + if scan_result.playable or has_interesting_mime: + logger.debug( + "Unwrapped potential %s stream: %s", scan_result.mime, uri + ) + return uri, scan_result + + download_timeout = deadline - time.time() + if download_timeout < 0: + logger.info( + "Unwrapping stream from URI (%s) failed: timed out in %sms", + uri, + timeout, + ) + return None, None + content = http.download( + requests_session, uri, timeout=download_timeout / 1000 + ) + + if content is None: + logger.info( + "Unwrapping stream from URI (%s) failed: " + "error downloading URI %s", + original_uri, + uri, + ) + return None, None + + uris = playlists.parse(content) + if not uris: + logger.debug( + "Failed parsing URI (%s) as playlist; found potential stream.", + uri, + ) + return uri, None + + # TODO Test streams and return first that seems to be playable + new_uri = uris[0] + logger.debug("Parsed playlist (%s) and found new URI: %s", uri, new_uri) + uri = urllib.parse.urljoin(uri, new_uri) diff --git a/venv/lib/python3.7/site-packages/mopidy/stream/ext.conf b/venv/lib/python3.7/site-packages/mopidy/stream/ext.conf new file mode 100644 index 0000000..928ccc6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/stream/ext.conf @@ -0,0 +1,11 @@ +[stream] +enabled = true +protocols = + http + https + mms + rtmp + rtmps + rtsp +timeout = 5000 +metadata_blacklist = diff --git a/venv/lib/python3.7/site-packages/mopidy/zeroconf.py b/venv/lib/python3.7/site-packages/mopidy/zeroconf.py new file mode 100644 index 0000000..9b57c99 --- /dev/null +++ b/venv/lib/python3.7/site-packages/mopidy/zeroconf.py @@ -0,0 +1,150 @@ +import logging +import string + +logger = logging.getLogger(__name__) + +try: + import dbus +except ImportError: + dbus = None + +_AVAHI_IF_UNSPEC = -1 +_AVAHI_PROTO_UNSPEC = -1 +_AVAHI_PUBLISHFLAGS_NONE = 0 + + +def _is_loopback_address(host): + return ( + host.startswith("127.") + or host.startswith("::ffff:127.") + or host == "::1" + ) + + +def _convert_text_list_to_dbus_format(text_list): + array = dbus.Array(signature="ay") + for text in text_list: + array.append([dbus.Byte(ord(c)) for c in text]) + return array + + +class Zeroconf: + + """Publish a network service with Zeroconf. + + Currently, this only works on Linux using Avahi via D-Bus. + + :param str name: human readable name of the service, e.g. 'MPD on neptune' + :param str stype: service type, e.g. '_mpd._tcp' + :param int port: TCP port of the service, e.g. 6600 + :param str domain: local network domain name, defaults to '' + :param str host: interface to advertise the service on, defaults to '' + :param text: extra information depending on ``stype``, defaults to empty + list + :type text: list of str + """ + + def __init__(self, name, stype, port, domain="", host="", text=None): + self.stype = stype + self.port = port + self.domain = domain + self.host = host + self.text = text or [] + + self.bus = None + self.server = None + self.group = None + self.display_hostname = None + self.name = None + + if dbus: + try: + self.bus = dbus.SystemBus() + self.server = dbus.Interface( + self.bus.get_object("org.freedesktop.Avahi", "/"), + "org.freedesktop.Avahi.Server", + ) + self.display_hostname = f"{self.server.GetHostName()}" + self.name = string.Template(name).safe_substitute( + hostname=self.display_hostname, port=port + ) + except dbus.exceptions.DBusException as e: + logger.debug("%s: Server failed: %s", self, e) + + def __str__(self): + return ( + f"Zeroconf service {self.name!r} " + f"({self.stype} at [{self.host}]:{self.port:d})" + ) + + def publish(self): + """Publish the service. + + Call when your service starts. + """ + + if _is_loopback_address(self.host): + logger.debug( + "%s: Publish on loopback interface is not supported.", self + ) + return False + + if not dbus: + logger.debug("%s: dbus not installed; publish failed.", self) + return False + + if not self.bus: + logger.debug("%s: Bus not available; publish failed.", self) + return False + + if not self.server: + logger.debug("%s: Server not available; publish failed.", self) + return False + + try: + if not self.bus.name_has_owner("org.freedesktop.Avahi"): + logger.debug( + "%s: Avahi service not running; publish failed.", self + ) + return False + + self.group = dbus.Interface( + self.bus.get_object( + "org.freedesktop.Avahi", self.server.EntryGroupNew() + ), + "org.freedesktop.Avahi.EntryGroup", + ) + + self.group.AddService( + _AVAHI_IF_UNSPEC, + _AVAHI_PROTO_UNSPEC, + dbus.UInt32(_AVAHI_PUBLISHFLAGS_NONE), + self.name, + self.stype, + self.domain, + self.host, + dbus.UInt16(self.port), + _convert_text_list_to_dbus_format(self.text), + ) + + self.group.Commit() + logger.debug("%s: Published", self) + return True + except dbus.exceptions.DBusException as e: + logger.debug("%s: Publish failed: %s", self, e) + return False + + def unpublish(self): + """Unpublish the service. + + Call when your service shuts down. + """ + + if self.group: + try: + self.group.Reset() + logger.debug("%s: Unpublished", self) + except dbus.exceptions.DBusException as e: + logger.debug("%s: Unpublish failed: %s", self, e) + finally: + self.group = None diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/PKG-INFO b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/PKG-INFO new file mode 100644 index 0000000..0b410a2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/PKG-INFO @@ -0,0 +1,73 @@ +Metadata-Version: 1.2 +Name: pip +Version: 19.0.3 +Summary: The PyPA recommended tool for installing Python packages. +Home-page: https://pip.pypa.io/ +Author: The pip developers +Author-email: pypa-dev@groups.google.com +License: MIT +Description: pip - The Python Package Installer + ================================== + + .. image:: https://img.shields.io/pypi/v/pip.svg + :target: https://pypi.org/project/pip/ + + .. image:: https://readthedocs.org/projects/pip/badge/?version=latest + :target: https://pip.pypa.io/en/latest + + pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes. + + Please take a look at our documentation for how to install and use pip: + + * `Installation`_ + * `Usage`_ + * `Release notes`_ + + If you find bugs, need help, or want to talk to the developers please use our mailing lists or chat rooms: + + * `Issue tracking`_ + * `Discourse channel`_ + * `User IRC`_ + + If you want to get involved head over to GitHub to get the source code and feel free to jump on the developer mailing lists and chat rooms: + + * `GitHub page`_ + * `Dev mailing list`_ + * `Dev IRC`_ + + Code of Conduct + --------------- + + Everyone interacting in the pip project's codebases, issue trackers, chat + rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_. + + .. _package installer: https://packaging.python.org/en/latest/current/ + .. _Python Package Index: https://pypi.org + .. _Installation: https://pip.pypa.io/en/stable/installing.html + .. _Usage: https://pip.pypa.io/en/stable/ + .. _Release notes: https://pip.pypa.io/en/stable/news.html + .. _GitHub page: https://github.com/pypa/pip + .. _Issue tracking: https://github.com/pypa/pip/issues + .. _Discourse channel: https://discuss.python.org/c/packaging + .. _Dev mailing list: https://groups.google.com/forum/#!forum/pypa-dev + .. _User IRC: https://webchat.freenode.net/?channels=%23pypa + .. _Dev IRC: https://webchat.freenode.net/?channels=%23pypa-dev + .. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/ + +Keywords: distutils easy_install egg setuptools wheel virtualenv +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Topic :: Software Development :: Build Tools +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Requires-Python: >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.* diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/SOURCES.txt b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/SOURCES.txt new file mode 100644 index 0000000..eb4810d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/SOURCES.txt @@ -0,0 +1,391 @@ +AUTHORS.txt +LICENSE.txt +MANIFEST.in +NEWS.rst +README.rst +pyproject.toml +setup.cfg +setup.py +docs/pip_sphinxext.py +docs/html/conf.py +docs/html/cookbook.rst +docs/html/index.rst +docs/html/installing.rst +docs/html/logic.rst 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b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/dependency_links.txt @@ -0,0 +1 @@ + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/entry_points.txt b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/entry_points.txt new file mode 100644 index 0000000..f5809cb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/entry_points.txt @@ -0,0 +1,5 @@ +[console_scripts] +pip = pip._internal:main +pip3 = pip._internal:main +pip3.7 = pip._internal:main + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/not-zip-safe b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/not-zip-safe new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/not-zip-safe @@ -0,0 +1 @@ + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/top_level.txt b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/top_level.txt new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/EGG-INFO/top_level.txt @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__init__.py new file mode 100644 index 0000000..f48c1ca --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__init__.py @@ -0,0 +1 @@ +__version__ = "19.0.3" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__main__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__main__.py new file mode 100644 index 0000000..0c223f8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/__main__.py @@ -0,0 +1,19 @@ +from __future__ import absolute_import + +import os +import sys + +# If we are running from a wheel, add the wheel to sys.path +# This allows the usage python pip-*.whl/pip install pip-*.whl +if __package__ == '': + # __file__ is pip-*.whl/pip/__main__.py + # first dirname call strips of '/__main__.py', second strips off '/pip' + # Resulting path is the name of the wheel itself + # Add that to sys.path so we can import pip + path = os.path.dirname(os.path.dirname(__file__)) + sys.path.insert(0, path) + +from pip._internal import main as _main # isort:skip # noqa + +if __name__ == '__main__': + sys.exit(_main()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/__init__.py new file mode 100644 index 0000000..276124d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/__init__.py @@ -0,0 +1,78 @@ +#!/usr/bin/env python +from __future__ import absolute_import + +import locale +import logging +import os +import warnings + +import sys + +# 2016-06-17 barry@debian.org: urllib3 1.14 added optional support for socks, +# but if invoked (i.e. imported), it will issue a warning to stderr if socks +# isn't available. requests unconditionally imports urllib3's socks contrib +# module, triggering this warning. The warning breaks DEP-8 tests (because of +# the stderr output) and is just plain annoying in normal usage. I don't want +# to add socks as yet another dependency for pip, nor do I want to allow-stder +# in the DEP-8 tests, so just suppress the warning. pdb tells me this has to +# be done before the import of pip.vcs. +from pip._vendor.urllib3.exceptions import DependencyWarning +warnings.filterwarnings("ignore", category=DependencyWarning) # noqa + +# We want to inject the use of SecureTransport as early as possible so that any +# references or sessions or what have you are ensured to have it, however we +# only want to do this in the case that we're running on macOS and the linked +# OpenSSL is too old to handle TLSv1.2 +try: + import ssl +except ImportError: + pass +else: + # Checks for OpenSSL 1.0.1 on MacOS + if sys.platform == "darwin" and ssl.OPENSSL_VERSION_NUMBER < 0x1000100f: + try: + from pip._vendor.urllib3.contrib import securetransport + except (ImportError, OSError): + pass + else: + securetransport.inject_into_urllib3() + +from pip._internal.cli.autocompletion import autocomplete +from pip._internal.cli.main_parser import parse_command +from pip._internal.commands import commands_dict +from pip._internal.exceptions import PipError +from pip._internal.utils import deprecation +from pip._internal.vcs import git, mercurial, subversion, bazaar # noqa +from pip._vendor.urllib3.exceptions import InsecureRequestWarning + +logger = logging.getLogger(__name__) + +# Hide the InsecureRequestWarning from urllib3 +warnings.filterwarnings("ignore", category=InsecureRequestWarning) + + +def main(args=None): + if args is None: + args = sys.argv[1:] + + # Configure our deprecation warnings to be sent through loggers + deprecation.install_warning_logger() + + autocomplete() + + try: + cmd_name, cmd_args = parse_command(args) + except PipError as exc: + sys.stderr.write("ERROR: %s" % exc) + sys.stderr.write(os.linesep) + sys.exit(1) + + # Needed for locale.getpreferredencoding(False) to work + # in pip._internal.utils.encoding.auto_decode + try: + locale.setlocale(locale.LC_ALL, '') + except locale.Error as e: + # setlocale can apparently crash if locale are uninitialized + logger.debug("Ignoring error %s when setting locale", e) + command = commands_dict[cmd_name](isolated=("--isolated" in cmd_args)) + return command.main(cmd_args) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/build_env.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/build_env.py new file mode 100644 index 0000000..d744cc7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/build_env.py @@ -0,0 +1,215 @@ +"""Build Environment used for isolation during sdist building +""" + +import logging +import os +import sys +import textwrap +from collections import OrderedDict +from distutils.sysconfig import get_python_lib +from sysconfig import get_paths + +from pip._vendor.pkg_resources import Requirement, VersionConflict, WorkingSet + +from pip import __file__ as pip_location +from pip._internal.utils.misc import call_subprocess +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.utils.ui import open_spinner + +if MYPY_CHECK_RUNNING: + from typing import Tuple, Set, Iterable, Optional, List # noqa: F401 + from pip._internal.index import PackageFinder # noqa: F401 + +logger = logging.getLogger(__name__) + + +class _Prefix: + + def __init__(self, path): + # type: (str) -> None + self.path = path + self.setup = False + self.bin_dir = get_paths( + 'nt' if os.name == 'nt' else 'posix_prefix', + vars={'base': path, 'platbase': path} + )['scripts'] + # Note: prefer distutils' sysconfig to get the + # library paths so PyPy is correctly supported. + purelib = get_python_lib(plat_specific=False, prefix=path) + platlib = get_python_lib(plat_specific=True, prefix=path) + if purelib == platlib: + self.lib_dirs = [purelib] + else: + self.lib_dirs = [purelib, platlib] + + +class BuildEnvironment(object): + """Creates and manages an isolated environment to install build deps + """ + + def __init__(self): + # type: () -> None + self._temp_dir = TempDirectory(kind="build-env") + self._temp_dir.create() + + self._prefixes = OrderedDict(( + (name, _Prefix(os.path.join(self._temp_dir.path, name))) + for name in ('normal', 'overlay') + )) + + self._bin_dirs = [] # type: List[str] + self._lib_dirs = [] # type: List[str] + for prefix in reversed(list(self._prefixes.values())): + self._bin_dirs.append(prefix.bin_dir) + self._lib_dirs.extend(prefix.lib_dirs) + + # Customize site to: + # - ensure .pth files are honored + # - prevent access to system site packages + system_sites = { + os.path.normcase(site) for site in ( + get_python_lib(plat_specific=False), + get_python_lib(plat_specific=True), + ) + } + self._site_dir = os.path.join(self._temp_dir.path, 'site') + if not os.path.exists(self._site_dir): + os.mkdir(self._site_dir) + with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp: + fp.write(textwrap.dedent( + ''' + import os, site, sys + + # First, drop system-sites related paths. + original_sys_path = sys.path[:] + known_paths = set() + for path in {system_sites!r}: + site.addsitedir(path, known_paths=known_paths) + system_paths = set( + os.path.normcase(path) + for path in sys.path[len(original_sys_path):] + ) + original_sys_path = [ + path for path in original_sys_path + if os.path.normcase(path) not in system_paths + ] + sys.path = original_sys_path + + # Second, add lib directories. + # ensuring .pth file are processed. + for path in {lib_dirs!r}: + assert not path in sys.path + site.addsitedir(path) + ''' + ).format(system_sites=system_sites, lib_dirs=self._lib_dirs)) + + def __enter__(self): + self._save_env = { + name: os.environ.get(name, None) + for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH') + } + + path = self._bin_dirs[:] + old_path = self._save_env['PATH'] + if old_path: + path.extend(old_path.split(os.pathsep)) + + pythonpath = [self._site_dir] + + os.environ.update({ + 'PATH': os.pathsep.join(path), + 'PYTHONNOUSERSITE': '1', + 'PYTHONPATH': os.pathsep.join(pythonpath), + }) + + def __exit__(self, exc_type, exc_val, exc_tb): + for varname, old_value in self._save_env.items(): + if old_value is None: + os.environ.pop(varname, None) + else: + os.environ[varname] = old_value + + def cleanup(self): + # type: () -> None + self._temp_dir.cleanup() + + def check_requirements(self, reqs): + # type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]] + """Return 2 sets: + - conflicting requirements: set of (installed, wanted) reqs tuples + - missing requirements: set of reqs + """ + missing = set() + conflicting = set() + if reqs: + ws = WorkingSet(self._lib_dirs) + for req in reqs: + try: + if ws.find(Requirement.parse(req)) is None: + missing.add(req) + except VersionConflict as e: + conflicting.add((str(e.args[0].as_requirement()), + str(e.args[1]))) + return conflicting, missing + + def install_requirements( + self, + finder, # type: PackageFinder + requirements, # type: Iterable[str] + prefix_as_string, # type: str + message # type: Optional[str] + ): + # type: (...) -> None + prefix = self._prefixes[prefix_as_string] + assert not prefix.setup + prefix.setup = True + if not requirements: + return + args = [ + sys.executable, os.path.dirname(pip_location), 'install', + '--ignore-installed', '--no-user', '--prefix', prefix.path, + '--no-warn-script-location', + ] # type: List[str] + if logger.getEffectiveLevel() <= logging.DEBUG: + args.append('-v') + for format_control in ('no_binary', 'only_binary'): + formats = getattr(finder.format_control, format_control) + args.extend(('--' + format_control.replace('_', '-'), + ','.join(sorted(formats or {':none:'})))) + if finder.index_urls: + args.extend(['-i', finder.index_urls[0]]) + for extra_index in finder.index_urls[1:]: + args.extend(['--extra-index-url', extra_index]) + else: + args.append('--no-index') + for link in finder.find_links: + args.extend(['--find-links', link]) + for _, host, _ in finder.secure_origins: + args.extend(['--trusted-host', host]) + if finder.allow_all_prereleases: + args.append('--pre') + args.append('--') + args.extend(requirements) + with open_spinner(message) as spinner: + call_subprocess(args, show_stdout=False, spinner=spinner) + + +class NoOpBuildEnvironment(BuildEnvironment): + """A no-op drop-in replacement for BuildEnvironment + """ + + def __init__(self): + pass + + def __enter__(self): + pass + + def __exit__(self, exc_type, exc_val, exc_tb): + pass + + def cleanup(self): + pass + + def install_requirements(self, finder, requirements, prefix, message): + raise NotImplementedError() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cache.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cache.py new file mode 100644 index 0000000..eb295c4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cache.py @@ -0,0 +1,224 @@ +"""Cache Management +""" + +import errno +import hashlib +import logging +import os + +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.download import path_to_url +from pip._internal.models.link import Link +from pip._internal.utils.compat import expanduser +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.wheel import InvalidWheelFilename, Wheel + +if MYPY_CHECK_RUNNING: + from typing import Optional, Set, List, Any # noqa: F401 + from pip._internal.index import FormatControl # noqa: F401 + +logger = logging.getLogger(__name__) + + +class Cache(object): + """An abstract class - provides cache directories for data from links + + + :param cache_dir: The root of the cache. + :param format_control: An object of FormatControl class to limit + binaries being read from the cache. + :param allowed_formats: which formats of files the cache should store. + ('binary' and 'source' are the only allowed values) + """ + + def __init__(self, cache_dir, format_control, allowed_formats): + # type: (str, FormatControl, Set[str]) -> None + super(Cache, self).__init__() + self.cache_dir = expanduser(cache_dir) if cache_dir else None + self.format_control = format_control + self.allowed_formats = allowed_formats + + _valid_formats = {"source", "binary"} + assert self.allowed_formats.union(_valid_formats) == _valid_formats + + def _get_cache_path_parts(self, link): + # type: (Link) -> List[str] + """Get parts of part that must be os.path.joined with cache_dir + """ + + # We want to generate an url to use as our cache key, we don't want to + # just re-use the URL because it might have other items in the fragment + # and we don't care about those. + key_parts = [link.url_without_fragment] + if link.hash_name is not None and link.hash is not None: + key_parts.append("=".join([link.hash_name, link.hash])) + key_url = "#".join(key_parts) + + # Encode our key url with sha224, we'll use this because it has similar + # security properties to sha256, but with a shorter total output (and + # thus less secure). However the differences don't make a lot of + # difference for our use case here. + hashed = hashlib.sha224(key_url.encode()).hexdigest() + + # We want to nest the directories some to prevent having a ton of top + # level directories where we might run out of sub directories on some + # FS. + parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]] + + return parts + + def _get_candidates(self, link, package_name): + # type: (Link, Optional[str]) -> List[Any] + can_not_cache = ( + not self.cache_dir or + not package_name or + not link + ) + if can_not_cache: + return [] + + canonical_name = canonicalize_name(package_name) + formats = self.format_control.get_allowed_formats( + canonical_name + ) + if not self.allowed_formats.intersection(formats): + return [] + + root = self.get_path_for_link(link) + try: + return os.listdir(root) + except OSError as err: + if err.errno in {errno.ENOENT, errno.ENOTDIR}: + return [] + raise + + def get_path_for_link(self, link): + # type: (Link) -> str + """Return a directory to store cached items in for link. + """ + raise NotImplementedError() + + def get(self, link, package_name): + # type: (Link, Optional[str]) -> Link + """Returns a link to a cached item if it exists, otherwise returns the + passed link. + """ + raise NotImplementedError() + + def _link_for_candidate(self, link, candidate): + # type: (Link, str) -> Link + root = self.get_path_for_link(link) + path = os.path.join(root, candidate) + + return Link(path_to_url(path)) + + def cleanup(self): + # type: () -> None + pass + + +class SimpleWheelCache(Cache): + """A cache of wheels for future installs. + """ + + def __init__(self, cache_dir, format_control): + # type: (str, FormatControl) -> None + super(SimpleWheelCache, self).__init__( + cache_dir, format_control, {"binary"} + ) + + def get_path_for_link(self, link): + # type: (Link) -> str + """Return a directory to store cached wheels for link + + Because there are M wheels for any one sdist, we provide a directory + to cache them in, and then consult that directory when looking up + cache hits. + + We only insert things into the cache if they have plausible version + numbers, so that we don't contaminate the cache with things that were + not unique. E.g. ./package might have dozens of installs done for it + and build a version of 0.0...and if we built and cached a wheel, we'd + end up using the same wheel even if the source has been edited. + + :param link: The link of the sdist for which this will cache wheels. + """ + parts = self._get_cache_path_parts(link) + + # Store wheels within the root cache_dir + return os.path.join(self.cache_dir, "wheels", *parts) + + def get(self, link, package_name): + # type: (Link, Optional[str]) -> Link + candidates = [] + + for wheel_name in self._get_candidates(link, package_name): + try: + wheel = Wheel(wheel_name) + except InvalidWheelFilename: + continue + if not wheel.supported(): + # Built for a different python/arch/etc + continue + candidates.append((wheel.support_index_min(), wheel_name)) + + if not candidates: + return link + + return self._link_for_candidate(link, min(candidates)[1]) + + +class EphemWheelCache(SimpleWheelCache): + """A SimpleWheelCache that creates it's own temporary cache directory + """ + + def __init__(self, format_control): + # type: (FormatControl) -> None + self._temp_dir = TempDirectory(kind="ephem-wheel-cache") + self._temp_dir.create() + + super(EphemWheelCache, self).__init__( + self._temp_dir.path, format_control + ) + + def cleanup(self): + # type: () -> None + self._temp_dir.cleanup() + + +class WheelCache(Cache): + """Wraps EphemWheelCache and SimpleWheelCache into a single Cache + + This Cache allows for gracefully degradation, using the ephem wheel cache + when a certain link is not found in the simple wheel cache first. + """ + + def __init__(self, cache_dir, format_control): + # type: (str, FormatControl) -> None + super(WheelCache, self).__init__( + cache_dir, format_control, {'binary'} + ) + self._wheel_cache = SimpleWheelCache(cache_dir, format_control) + self._ephem_cache = EphemWheelCache(format_control) + + def get_path_for_link(self, link): + # type: (Link) -> str + return self._wheel_cache.get_path_for_link(link) + + def get_ephem_path_for_link(self, link): + # type: (Link) -> str + return self._ephem_cache.get_path_for_link(link) + + def get(self, link, package_name): + # type: (Link, Optional[str]) -> Link + retval = self._wheel_cache.get(link, package_name) + if retval is link: + retval = self._ephem_cache.get(link, package_name) + return retval + + def cleanup(self): + # type: () -> None + self._wheel_cache.cleanup() + self._ephem_cache.cleanup() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py new file mode 100644 index 0000000..e589bb9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py @@ -0,0 +1,4 @@ +"""Subpackage containing all of pip's command line interface related code +""" + +# This file intentionally does not import submodules diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py new file mode 100644 index 0000000..0a04199 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py @@ -0,0 +1,152 @@ +"""Logic that powers autocompletion installed by ``pip completion``. +""" + +import optparse +import os +import sys + +from pip._internal.cli.main_parser import create_main_parser +from pip._internal.commands import commands_dict, get_summaries +from pip._internal.utils.misc import get_installed_distributions + + +def autocomplete(): + """Entry Point for completion of main and subcommand options. + """ + # Don't complete if user hasn't sourced bash_completion file. + if 'PIP_AUTO_COMPLETE' not in os.environ: + return + cwords = os.environ['COMP_WORDS'].split()[1:] + cword = int(os.environ['COMP_CWORD']) + try: + current = cwords[cword - 1] + except IndexError: + current = '' + + subcommands = [cmd for cmd, summary in get_summaries()] + options = [] + # subcommand + try: + subcommand_name = [w for w in cwords if w in subcommands][0] + except IndexError: + subcommand_name = None + + parser = create_main_parser() + # subcommand options + if subcommand_name: + # special case: 'help' subcommand has no options + if subcommand_name == 'help': + sys.exit(1) + # special case: list locally installed dists for show and uninstall + should_list_installed = ( + subcommand_name in ['show', 'uninstall'] and + not current.startswith('-') + ) + if should_list_installed: + installed = [] + lc = current.lower() + for dist in get_installed_distributions(local_only=True): + if dist.key.startswith(lc) and dist.key not in cwords[1:]: + installed.append(dist.key) + # if there are no dists installed, fall back to option completion + if installed: + for dist in installed: + print(dist) + sys.exit(1) + + subcommand = commands_dict[subcommand_name]() + + for opt in subcommand.parser.option_list_all: + if opt.help != optparse.SUPPRESS_HELP: + for opt_str in opt._long_opts + opt._short_opts: + options.append((opt_str, opt.nargs)) + + # filter out previously specified options from available options + prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]] + options = [(x, v) for (x, v) in options if x not in prev_opts] + # filter options by current input + options = [(k, v) for k, v in options if k.startswith(current)] + # get completion type given cwords and available subcommand options + completion_type = get_path_completion_type( + cwords, cword, subcommand.parser.option_list_all, + ) + # get completion files and directories if ``completion_type`` is + # ````, ```` or ```` + if completion_type: + options = auto_complete_paths(current, completion_type) + options = ((opt, 0) for opt in options) + for option in options: + opt_label = option[0] + # append '=' to options which require args + if option[1] and option[0][:2] == "--": + opt_label += '=' + print(opt_label) + else: + # show main parser options only when necessary + + opts = [i.option_list for i in parser.option_groups] + opts.append(parser.option_list) + opts = (o for it in opts for o in it) + if current.startswith('-'): + for opt in opts: + if opt.help != optparse.SUPPRESS_HELP: + subcommands += opt._long_opts + opt._short_opts + else: + # get completion type given cwords and all available options + completion_type = get_path_completion_type(cwords, cword, opts) + if completion_type: + subcommands = auto_complete_paths(current, completion_type) + + print(' '.join([x for x in subcommands if x.startswith(current)])) + sys.exit(1) + + +def get_path_completion_type(cwords, cword, opts): + """Get the type of path completion (``file``, ``dir``, ``path`` or None) + + :param cwords: same as the environmental variable ``COMP_WORDS`` + :param cword: same as the environmental variable ``COMP_CWORD`` + :param opts: The available options to check + :return: path completion type (``file``, ``dir``, ``path`` or None) + """ + if cword < 2 or not cwords[cword - 2].startswith('-'): + return + for opt in opts: + if opt.help == optparse.SUPPRESS_HELP: + continue + for o in str(opt).split('/'): + if cwords[cword - 2].split('=')[0] == o: + if not opt.metavar or any( + x in ('path', 'file', 'dir') + for x in opt.metavar.split('/')): + return opt.metavar + + +def auto_complete_paths(current, completion_type): + """If ``completion_type`` is ``file`` or ``path``, list all regular files + and directories starting with ``current``; otherwise only list directories + starting with ``current``. + + :param current: The word to be completed + :param completion_type: path completion type(`file`, `path` or `dir`)i + :return: A generator of regular files and/or directories + """ + directory, filename = os.path.split(current) + current_path = os.path.abspath(directory) + # Don't complete paths if they can't be accessed + if not os.access(current_path, os.R_OK): + return + filename = os.path.normcase(filename) + # list all files that start with ``filename`` + file_list = (x for x in os.listdir(current_path) + if os.path.normcase(x).startswith(filename)) + for f in file_list: + opt = os.path.join(current_path, f) + comp_file = os.path.normcase(os.path.join(directory, f)) + # complete regular files when there is not ```` after option + # complete directories when there is ````, ```` or + # ````after option + if completion_type != 'dir' and os.path.isfile(opt): + yield comp_file + elif os.path.isdir(opt): + yield os.path.join(comp_file, '') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py new file mode 100644 index 0000000..3ceea49 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py @@ -0,0 +1,341 @@ +"""Base Command class, and related routines""" +from __future__ import absolute_import, print_function + +import logging +import logging.config +import optparse +import os +import platform +import sys +import traceback + +from pip._internal.cli import cmdoptions +from pip._internal.cli.parser import ( + ConfigOptionParser, UpdatingDefaultsHelpFormatter, +) +from pip._internal.cli.status_codes import ( + ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR, + VIRTUALENV_NOT_FOUND, +) +from pip._internal.download import PipSession +from pip._internal.exceptions import ( + BadCommand, CommandError, InstallationError, PreviousBuildDirError, + UninstallationError, +) +from pip._internal.index import PackageFinder +from pip._internal.locations import running_under_virtualenv +from pip._internal.req.constructors import ( + install_req_from_editable, install_req_from_line, +) +from pip._internal.req.req_file import parse_requirements +from pip._internal.utils.deprecation import deprecated +from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging +from pip._internal.utils.misc import ( + get_prog, normalize_path, redact_password_from_url, +) +from pip._internal.utils.outdated import pip_version_check +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional, List, Tuple, Any # noqa: F401 + from optparse import Values # noqa: F401 + from pip._internal.cache import WheelCache # noqa: F401 + from pip._internal.req.req_set import RequirementSet # noqa: F401 + +__all__ = ['Command'] + +logger = logging.getLogger(__name__) + + +class Command(object): + name = None # type: Optional[str] + usage = None # type: Optional[str] + hidden = False # type: bool + ignore_require_venv = False # type: bool + + def __init__(self, isolated=False): + # type: (bool) -> None + parser_kw = { + 'usage': self.usage, + 'prog': '%s %s' % (get_prog(), self.name), + 'formatter': UpdatingDefaultsHelpFormatter(), + 'add_help_option': False, + 'name': self.name, + 'description': self.__doc__, + 'isolated': isolated, + } + + self.parser = ConfigOptionParser(**parser_kw) + + # Commands should add options to this option group + optgroup_name = '%s Options' % self.name.capitalize() + self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name) + + # Add the general options + gen_opts = cmdoptions.make_option_group( + cmdoptions.general_group, + self.parser, + ) + self.parser.add_option_group(gen_opts) + + def run(self, options, args): + # type: (Values, List[Any]) -> Any + raise NotImplementedError + + def _build_session(self, options, retries=None, timeout=None): + # type: (Values, Optional[int], Optional[int]) -> PipSession + session = PipSession( + cache=( + normalize_path(os.path.join(options.cache_dir, "http")) + if options.cache_dir else None + ), + retries=retries if retries is not None else options.retries, + insecure_hosts=options.trusted_hosts, + ) + + # Handle custom ca-bundles from the user + if options.cert: + session.verify = options.cert + + # Handle SSL client certificate + if options.client_cert: + session.cert = options.client_cert + + # Handle timeouts + if options.timeout or timeout: + session.timeout = ( + timeout if timeout is not None else options.timeout + ) + + # Handle configured proxies + if options.proxy: + session.proxies = { + "http": options.proxy, + "https": options.proxy, + } + + # Determine if we can prompt the user for authentication or not + session.auth.prompting = not options.no_input + + return session + + def parse_args(self, args): + # type: (List[str]) -> Tuple + # factored out for testability + return self.parser.parse_args(args) + + def main(self, args): + # type: (List[str]) -> int + options, args = self.parse_args(args) + + # Set verbosity so that it can be used elsewhere. + self.verbosity = options.verbose - options.quiet + + level_number = setup_logging( + verbosity=self.verbosity, + no_color=options.no_color, + user_log_file=options.log, + ) + + if sys.version_info[:2] == (3, 4): + deprecated( + "Python 3.4 support has been deprecated. pip 19.1 will be the " + "last one supporting it. Please upgrade your Python as Python " + "3.4 won't be maintained after March 2019 (cf PEP 429).", + replacement=None, + gone_in='19.2', + ) + elif sys.version_info[:2] == (2, 7): + message = ( + "A future version of pip will drop support for Python 2.7." + ) + if platform.python_implementation() == "CPython": + message = ( + "Python 2.7 will reach the end of its life on January " + "1st, 2020. Please upgrade your Python as Python 2.7 " + "won't be maintained after that date. " + ) + message + deprecated(message, replacement=None, gone_in=None) + + # TODO: Try to get these passing down from the command? + # without resorting to os.environ to hold these. + # This also affects isolated builds and it should. + + if options.no_input: + os.environ['PIP_NO_INPUT'] = '1' + + if options.exists_action: + os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action) + + if options.require_venv and not self.ignore_require_venv: + # If a venv is required check if it can really be found + if not running_under_virtualenv(): + logger.critical( + 'Could not find an activated virtualenv (required).' + ) + sys.exit(VIRTUALENV_NOT_FOUND) + + try: + status = self.run(options, args) + # FIXME: all commands should return an exit status + # and when it is done, isinstance is not needed anymore + if isinstance(status, int): + return status + except PreviousBuildDirError as exc: + logger.critical(str(exc)) + logger.debug('Exception information:', exc_info=True) + + return PREVIOUS_BUILD_DIR_ERROR + except (InstallationError, UninstallationError, BadCommand) as exc: + logger.critical(str(exc)) + logger.debug('Exception information:', exc_info=True) + + return ERROR + except CommandError as exc: + logger.critical('ERROR: %s', exc) + logger.debug('Exception information:', exc_info=True) + + return ERROR + except BrokenStdoutLoggingError: + # Bypass our logger and write any remaining messages to stderr + # because stdout no longer works. + print('ERROR: Pipe to stdout was broken', file=sys.stderr) + if level_number <= logging.DEBUG: + traceback.print_exc(file=sys.stderr) + + return ERROR + except KeyboardInterrupt: + logger.critical('Operation cancelled by user') + logger.debug('Exception information:', exc_info=True) + + return ERROR + except BaseException: + logger.critical('Exception:', exc_info=True) + + return UNKNOWN_ERROR + finally: + allow_version_check = ( + # Does this command have the index_group options? + hasattr(options, "no_index") and + # Is this command allowed to perform this check? + not (options.disable_pip_version_check or options.no_index) + ) + # Check if we're using the latest version of pip available + if allow_version_check: + session = self._build_session( + options, + retries=0, + timeout=min(5, options.timeout) + ) + with session: + pip_version_check(session, options) + + # Shutdown the logging module + logging.shutdown() + + return SUCCESS + + +class RequirementCommand(Command): + + @staticmethod + def populate_requirement_set(requirement_set, # type: RequirementSet + args, # type: List[str] + options, # type: Values + finder, # type: PackageFinder + session, # type: PipSession + name, # type: str + wheel_cache # type: Optional[WheelCache] + ): + # type: (...) -> None + """ + Marshal cmd line args into a requirement set. + """ + # NOTE: As a side-effect, options.require_hashes and + # requirement_set.require_hashes may be updated + + for filename in options.constraints: + for req_to_add in parse_requirements( + filename, + constraint=True, finder=finder, options=options, + session=session, wheel_cache=wheel_cache): + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for req in args: + req_to_add = install_req_from_line( + req, None, isolated=options.isolated_mode, + use_pep517=options.use_pep517, + wheel_cache=wheel_cache + ) + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for req in options.editables: + req_to_add = install_req_from_editable( + req, + isolated=options.isolated_mode, + use_pep517=options.use_pep517, + wheel_cache=wheel_cache + ) + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for filename in options.requirements: + for req_to_add in parse_requirements( + filename, + finder=finder, options=options, session=session, + wheel_cache=wheel_cache, + use_pep517=options.use_pep517): + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + # If --require-hashes was a line in a requirements file, tell + # RequirementSet about it: + requirement_set.require_hashes = options.require_hashes + + if not (args or options.editables or options.requirements): + opts = {'name': name} + if options.find_links: + raise CommandError( + 'You must give at least one requirement to %(name)s ' + '(maybe you meant "pip %(name)s %(links)s"?)' % + dict(opts, links=' '.join(options.find_links))) + else: + raise CommandError( + 'You must give at least one requirement to %(name)s ' + '(see "pip help %(name)s")' % opts) + + def _build_package_finder( + self, + options, # type: Values + session, # type: PipSession + platform=None, # type: Optional[str] + python_versions=None, # type: Optional[List[str]] + abi=None, # type: Optional[str] + implementation=None # type: Optional[str] + ): + # type: (...) -> PackageFinder + """ + Create a package finder appropriate to this requirement command. + """ + index_urls = [options.index_url] + options.extra_index_urls + if options.no_index: + logger.debug( + 'Ignoring indexes: %s', + ','.join(redact_password_from_url(url) for url in index_urls), + ) + index_urls = [] + + return PackageFinder( + find_links=options.find_links, + format_control=options.format_control, + index_urls=index_urls, + trusted_hosts=options.trusted_hosts, + allow_all_prereleases=options.pre, + session=session, + platform=platform, + versions=python_versions, + abi=abi, + implementation=implementation, + prefer_binary=options.prefer_binary, + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py new file mode 100644 index 0000000..5cf5ee9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py @@ -0,0 +1,809 @@ +""" +shared options and groups + +The principle here is to define options once, but *not* instantiate them +globally. One reason being that options with action='append' can carry state +between parses. pip parses general options twice internally, and shouldn't +pass on state. To be consistent, all options will follow this design. + +""" +from __future__ import absolute_import + +import textwrap +import warnings +from distutils.util import strtobool +from functools import partial +from optparse import SUPPRESS_HELP, Option, OptionGroup + +from pip._internal.exceptions import CommandError +from pip._internal.locations import USER_CACHE_DIR, src_prefix +from pip._internal.models.format_control import FormatControl +from pip._internal.models.index import PyPI +from pip._internal.utils.hashes import STRONG_HASHES +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.utils.ui import BAR_TYPES + +if MYPY_CHECK_RUNNING: + from typing import Any, Callable, Dict, List, Optional, Union # noqa: F401 + from optparse import OptionParser, Values # noqa: F401 + from pip._internal.cli.parser import ConfigOptionParser # noqa: F401 + + +def raise_option_error(parser, option, msg): + """ + Raise an option parsing error using parser.error(). + + Args: + parser: an OptionParser instance. + option: an Option instance. + msg: the error text. + """ + msg = '{} error: {}'.format(option, msg) + msg = textwrap.fill(' '.join(msg.split())) + parser.error(msg) + + +def make_option_group(group, parser): + # type: (Dict[str, Any], ConfigOptionParser) -> OptionGroup + """ + Return an OptionGroup object + group -- assumed to be dict with 'name' and 'options' keys + parser -- an optparse Parser + """ + option_group = OptionGroup(parser, group['name']) + for option in group['options']: + option_group.add_option(option()) + return option_group + + +def check_install_build_global(options, check_options=None): + # type: (Values, Optional[Values]) -> None + """Disable wheels if per-setup.py call options are set. + + :param options: The OptionParser options to update. + :param check_options: The options to check, if not supplied defaults to + options. + """ + if check_options is None: + check_options = options + + def getname(n): + return getattr(check_options, n, None) + names = ["build_options", "global_options", "install_options"] + if any(map(getname, names)): + control = options.format_control + control.disallow_binaries() + warnings.warn( + 'Disabling all use of wheels due to the use of --build-options ' + '/ --global-options / --install-options.', stacklevel=2, + ) + + +def check_dist_restriction(options, check_target=False): + # type: (Values, bool) -> None + """Function for determining if custom platform options are allowed. + + :param options: The OptionParser options. + :param check_target: Whether or not to check if --target is being used. + """ + dist_restriction_set = any([ + options.python_version, + options.platform, + options.abi, + options.implementation, + ]) + + binary_only = FormatControl(set(), {':all:'}) + sdist_dependencies_allowed = ( + options.format_control != binary_only and + not options.ignore_dependencies + ) + + # Installations or downloads using dist restrictions must not combine + # source distributions and dist-specific wheels, as they are not + # gauranteed to be locally compatible. + if dist_restriction_set and sdist_dependencies_allowed: + raise CommandError( + "When restricting platform and interpreter constraints using " + "--python-version, --platform, --abi, or --implementation, " + "either --no-deps must be set, or --only-binary=:all: must be " + "set and --no-binary must not be set (or must be set to " + ":none:)." + ) + + if check_target: + if dist_restriction_set and not options.target_dir: + raise CommandError( + "Can not use any platform or abi specific options unless " + "installing via '--target'" + ) + + +########### +# options # +########### + +help_ = partial( + Option, + '-h', '--help', + dest='help', + action='help', + help='Show help.', +) # type: Callable[..., Option] + +isolated_mode = partial( + Option, + "--isolated", + dest="isolated_mode", + action="store_true", + default=False, + help=( + "Run pip in an isolated mode, ignoring environment variables and user " + "configuration." + ), +) # type: Callable[..., Option] + +require_virtualenv = partial( + Option, + # Run only if inside a virtualenv, bail if not. + '--require-virtualenv', '--require-venv', + dest='require_venv', + action='store_true', + default=False, + help=SUPPRESS_HELP +) # type: Callable[..., Option] + +verbose = partial( + Option, + '-v', '--verbose', + dest='verbose', + action='count', + default=0, + help='Give more output. Option is additive, and can be used up to 3 times.' +) # type: Callable[..., Option] + +no_color = partial( + Option, + '--no-color', + dest='no_color', + action='store_true', + default=False, + help="Suppress colored output", +) # type: Callable[..., Option] + +version = partial( + Option, + '-V', '--version', + dest='version', + action='store_true', + help='Show version and exit.', +) # type: Callable[..., Option] + +quiet = partial( + Option, + '-q', '--quiet', + dest='quiet', + action='count', + default=0, + help=( + 'Give less output. Option is additive, and can be used up to 3' + ' times (corresponding to WARNING, ERROR, and CRITICAL logging' + ' levels).' + ), +) # type: Callable[..., Option] + +progress_bar = partial( + Option, + '--progress-bar', + dest='progress_bar', + type='choice', + choices=list(BAR_TYPES.keys()), + default='on', + help=( + 'Specify type of progress to be displayed [' + + '|'.join(BAR_TYPES.keys()) + '] (default: %default)' + ), +) # type: Callable[..., Option] + +log = partial( + Option, + "--log", "--log-file", "--local-log", + dest="log", + metavar="path", + help="Path to a verbose appending log." +) # type: Callable[..., Option] + +no_input = partial( + Option, + # Don't ask for input + '--no-input', + dest='no_input', + action='store_true', + default=False, + help=SUPPRESS_HELP +) # type: Callable[..., Option] + +proxy = partial( + Option, + '--proxy', + dest='proxy', + type='str', + default='', + help="Specify a proxy in the form [user:passwd@]proxy.server:port." +) # type: Callable[..., Option] + +retries = partial( + Option, + '--retries', + dest='retries', + type='int', + default=5, + help="Maximum number of retries each connection should attempt " + "(default %default times).", +) # type: Callable[..., Option] + +timeout = partial( + Option, + '--timeout', '--default-timeout', + metavar='sec', + dest='timeout', + type='float', + default=15, + help='Set the socket timeout (default %default seconds).', +) # type: Callable[..., Option] + +skip_requirements_regex = partial( + Option, + # A regex to be used to skip requirements + '--skip-requirements-regex', + dest='skip_requirements_regex', + type='str', + default='', + help=SUPPRESS_HELP, +) # type: Callable[..., Option] + + +def exists_action(): + # type: () -> Option + return Option( + # Option when path already exist + '--exists-action', + dest='exists_action', + type='choice', + choices=['s', 'i', 'w', 'b', 'a'], + default=[], + action='append', + metavar='action', + help="Default action when a path already exists: " + "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort).", + ) + + +cert = partial( + Option, + '--cert', + dest='cert', + type='str', + metavar='path', + help="Path to alternate CA bundle.", +) # type: Callable[..., Option] + +client_cert = partial( + Option, + '--client-cert', + dest='client_cert', + type='str', + default=None, + metavar='path', + help="Path to SSL client certificate, a single file containing the " + "private key and the certificate in PEM format.", +) # type: Callable[..., Option] + +index_url = partial( + Option, + '-i', '--index-url', '--pypi-url', + dest='index_url', + metavar='URL', + default=PyPI.simple_url, + help="Base URL of Python Package Index (default %default). " + "This should point to a repository compliant with PEP 503 " + "(the simple repository API) or a local directory laid out " + "in the same format.", +) # type: Callable[..., Option] + + +def extra_index_url(): + return Option( + '--extra-index-url', + dest='extra_index_urls', + metavar='URL', + action='append', + default=[], + help="Extra URLs of package indexes to use in addition to " + "--index-url. Should follow the same rules as " + "--index-url.", + ) + + +no_index = partial( + Option, + '--no-index', + dest='no_index', + action='store_true', + default=False, + help='Ignore package index (only looking at --find-links URLs instead).', +) # type: Callable[..., Option] + + +def find_links(): + # type: () -> Option + return Option( + '-f', '--find-links', + dest='find_links', + action='append', + default=[], + metavar='url', + help="If a url or path to an html file, then parse for links to " + "archives. If a local path or file:// url that's a directory, " + "then look for archives in the directory listing.", + ) + + +def trusted_host(): + # type: () -> Option + return Option( + "--trusted-host", + dest="trusted_hosts", + action="append", + metavar="HOSTNAME", + default=[], + help="Mark this host as trusted, even though it does not have valid " + "or any HTTPS.", + ) + + +def constraints(): + # type: () -> Option + return Option( + '-c', '--constraint', + dest='constraints', + action='append', + default=[], + metavar='file', + help='Constrain versions using the given constraints file. ' + 'This option can be used multiple times.' + ) + + +def requirements(): + # type: () -> Option + return Option( + '-r', '--requirement', + dest='requirements', + action='append', + default=[], + metavar='file', + help='Install from the given requirements file. ' + 'This option can be used multiple times.' + ) + + +def editable(): + # type: () -> Option + return Option( + '-e', '--editable', + dest='editables', + action='append', + default=[], + metavar='path/url', + help=('Install a project in editable mode (i.e. setuptools ' + '"develop mode") from a local project path or a VCS url.'), + ) + + +src = partial( + Option, + '--src', '--source', '--source-dir', '--source-directory', + dest='src_dir', + metavar='dir', + default=src_prefix, + help='Directory to check out editable projects into. ' + 'The default in a virtualenv is "/src". ' + 'The default for global installs is "/src".' +) # type: Callable[..., Option] + + +def _get_format_control(values, option): + # type: (Values, Option) -> Any + """Get a format_control object.""" + return getattr(values, option.dest) + + +def _handle_no_binary(option, opt_str, value, parser): + # type: (Option, str, str, OptionParser) -> None + existing = _get_format_control(parser.values, option) + FormatControl.handle_mutual_excludes( + value, existing.no_binary, existing.only_binary, + ) + + +def _handle_only_binary(option, opt_str, value, parser): + # type: (Option, str, str, OptionParser) -> None + existing = _get_format_control(parser.values, option) + FormatControl.handle_mutual_excludes( + value, existing.only_binary, existing.no_binary, + ) + + +def no_binary(): + # type: () -> Option + format_control = FormatControl(set(), set()) + return Option( + "--no-binary", dest="format_control", action="callback", + callback=_handle_no_binary, type="str", + default=format_control, + help="Do not use binary packages. Can be supplied multiple times, and " + "each time adds to the existing value. Accepts either :all: to " + "disable all binary packages, :none: to empty the set, or one or " + "more package names with commas between them. Note that some " + "packages are tricky to compile and may fail to install when " + "this option is used on them.", + ) + + +def only_binary(): + # type: () -> Option + format_control = FormatControl(set(), set()) + return Option( + "--only-binary", dest="format_control", action="callback", + callback=_handle_only_binary, type="str", + default=format_control, + help="Do not use source packages. Can be supplied multiple times, and " + "each time adds to the existing value. Accepts either :all: to " + "disable all source packages, :none: to empty the set, or one or " + "more package names with commas between them. Packages without " + "binary distributions will fail to install when this option is " + "used on them.", + ) + + +platform = partial( + Option, + '--platform', + dest='platform', + metavar='platform', + default=None, + help=("Only use wheels compatible with . " + "Defaults to the platform of the running system."), +) # type: Callable[..., Option] + + +python_version = partial( + Option, + '--python-version', + dest='python_version', + metavar='python_version', + default=None, + help=("Only use wheels compatible with Python " + "interpreter version . If not specified, then the " + "current system interpreter minor version is used. A major " + "version (e.g. '2') can be specified to match all " + "minor revs of that major version. A minor version " + "(e.g. '34') can also be specified."), +) # type: Callable[..., Option] + + +implementation = partial( + Option, + '--implementation', + dest='implementation', + metavar='implementation', + default=None, + help=("Only use wheels compatible with Python " + "implementation , e.g. 'pp', 'jy', 'cp', " + " or 'ip'. If not specified, then the current " + "interpreter implementation is used. Use 'py' to force " + "implementation-agnostic wheels."), +) # type: Callable[..., Option] + + +abi = partial( + Option, + '--abi', + dest='abi', + metavar='abi', + default=None, + help=("Only use wheels compatible with Python " + "abi , e.g. 'pypy_41'. If not specified, then the " + "current interpreter abi tag is used. Generally " + "you will need to specify --implementation, " + "--platform, and --python-version when using " + "this option."), +) # type: Callable[..., Option] + + +def prefer_binary(): + # type: () -> Option + return Option( + "--prefer-binary", + dest="prefer_binary", + action="store_true", + default=False, + help="Prefer older binary packages over newer source packages." + ) + + +cache_dir = partial( + Option, + "--cache-dir", + dest="cache_dir", + default=USER_CACHE_DIR, + metavar="dir", + help="Store the cache data in ." +) # type: Callable[..., Option] + + +def no_cache_dir_callback(option, opt, value, parser): + """ + Process a value provided for the --no-cache-dir option. + + This is an optparse.Option callback for the --no-cache-dir option. + """ + # The value argument will be None if --no-cache-dir is passed via the + # command-line, since the option doesn't accept arguments. However, + # the value can be non-None if the option is triggered e.g. by an + # environment variable, like PIP_NO_CACHE_DIR=true. + if value is not None: + # Then parse the string value to get argument error-checking. + try: + strtobool(value) + except ValueError as exc: + raise_option_error(parser, option=option, msg=str(exc)) + + # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool() + # converted to 0 (like "false" or "no") caused cache_dir to be disabled + # rather than enabled (logic would say the latter). Thus, we disable + # the cache directory not just on values that parse to True, but (for + # backwards compatibility reasons) also on values that parse to False. + # In other words, always set it to False if the option is provided in + # some (valid) form. + parser.values.cache_dir = False + + +no_cache = partial( + Option, + "--no-cache-dir", + dest="cache_dir", + action="callback", + callback=no_cache_dir_callback, + help="Disable the cache.", +) # type: Callable[..., Option] + +no_deps = partial( + Option, + '--no-deps', '--no-dependencies', + dest='ignore_dependencies', + action='store_true', + default=False, + help="Don't install package dependencies.", +) # type: Callable[..., Option] + +build_dir = partial( + Option, + '-b', '--build', '--build-dir', '--build-directory', + dest='build_dir', + metavar='dir', + help='Directory to unpack packages into and build in. Note that ' + 'an initial build still takes place in a temporary directory. ' + 'The location of temporary directories can be controlled by setting ' + 'the TMPDIR environment variable (TEMP on Windows) appropriately. ' + 'When passed, build directories are not cleaned in case of failures.' +) # type: Callable[..., Option] + +ignore_requires_python = partial( + Option, + '--ignore-requires-python', + dest='ignore_requires_python', + action='store_true', + help='Ignore the Requires-Python information.' +) # type: Callable[..., Option] + +no_build_isolation = partial( + Option, + '--no-build-isolation', + dest='build_isolation', + action='store_false', + default=True, + help='Disable isolation when building a modern source distribution. ' + 'Build dependencies specified by PEP 518 must be already installed ' + 'if this option is used.' +) # type: Callable[..., Option] + + +def no_use_pep517_callback(option, opt, value, parser): + """ + Process a value provided for the --no-use-pep517 option. + + This is an optparse.Option callback for the no_use_pep517 option. + """ + # Since --no-use-pep517 doesn't accept arguments, the value argument + # will be None if --no-use-pep517 is passed via the command-line. + # However, the value can be non-None if the option is triggered e.g. + # by an environment variable, for example "PIP_NO_USE_PEP517=true". + if value is not None: + msg = """A value was passed for --no-use-pep517, + probably using either the PIP_NO_USE_PEP517 environment variable + or the "no-use-pep517" config file option. Use an appropriate value + of the PIP_USE_PEP517 environment variable or the "use-pep517" + config file option instead. + """ + raise_option_error(parser, option=option, msg=msg) + + # Otherwise, --no-use-pep517 was passed via the command-line. + parser.values.use_pep517 = False + + +use_pep517 = partial( + Option, + '--use-pep517', + dest='use_pep517', + action='store_true', + default=None, + help='Use PEP 517 for building source distributions ' + '(use --no-use-pep517 to force legacy behaviour).' +) # type: Any + +no_use_pep517 = partial( + Option, + '--no-use-pep517', + dest='use_pep517', + action='callback', + callback=no_use_pep517_callback, + default=None, + help=SUPPRESS_HELP +) # type: Any + +install_options = partial( + Option, + '--install-option', + dest='install_options', + action='append', + metavar='options', + help="Extra arguments to be supplied to the setup.py install " + "command (use like --install-option=\"--install-scripts=/usr/local/" + "bin\"). Use multiple --install-option options to pass multiple " + "options to setup.py install. If you are using an option with a " + "directory path, be sure to use absolute path.", +) # type: Callable[..., Option] + +global_options = partial( + Option, + '--global-option', + dest='global_options', + action='append', + metavar='options', + help="Extra global options to be supplied to the setup.py " + "call before the install command.", +) # type: Callable[..., Option] + +no_clean = partial( + Option, + '--no-clean', + action='store_true', + default=False, + help="Don't clean up build directories." +) # type: Callable[..., Option] + +pre = partial( + Option, + '--pre', + action='store_true', + default=False, + help="Include pre-release and development versions. By default, " + "pip only finds stable versions.", +) # type: Callable[..., Option] + +disable_pip_version_check = partial( + Option, + "--disable-pip-version-check", + dest="disable_pip_version_check", + action="store_true", + default=False, + help="Don't periodically check PyPI to determine whether a new version " + "of pip is available for download. Implied with --no-index.", +) # type: Callable[..., Option] + + +# Deprecated, Remove later +always_unzip = partial( + Option, + '-Z', '--always-unzip', + dest='always_unzip', + action='store_true', + help=SUPPRESS_HELP, +) # type: Callable[..., Option] + + +def _merge_hash(option, opt_str, value, parser): + # type: (Option, str, str, OptionParser) -> None + """Given a value spelled "algo:digest", append the digest to a list + pointed to in a dict by the algo name.""" + if not parser.values.hashes: + parser.values.hashes = {} # type: ignore + try: + algo, digest = value.split(':', 1) + except ValueError: + parser.error('Arguments to %s must be a hash name ' + 'followed by a value, like --hash=sha256:abcde...' % + opt_str) + if algo not in STRONG_HASHES: + parser.error('Allowed hash algorithms for %s are %s.' % + (opt_str, ', '.join(STRONG_HASHES))) + parser.values.hashes.setdefault(algo, []).append(digest) + + +hash = partial( + Option, + '--hash', + # Hash values eventually end up in InstallRequirement.hashes due to + # __dict__ copying in process_line(). + dest='hashes', + action='callback', + callback=_merge_hash, + type='string', + help="Verify that the package's archive matches this " + 'hash before installing. Example: --hash=sha256:abcdef...', +) # type: Callable[..., Option] + + +require_hashes = partial( + Option, + '--require-hashes', + dest='require_hashes', + action='store_true', + default=False, + help='Require a hash to check each requirement against, for ' + 'repeatable installs. This option is implied when any package in a ' + 'requirements file has a --hash option.', +) # type: Callable[..., Option] + + +########## +# groups # +########## + +general_group = { + 'name': 'General Options', + 'options': [ + help_, + isolated_mode, + require_virtualenv, + verbose, + version, + quiet, + log, + no_input, + proxy, + retries, + timeout, + skip_requirements_regex, + exists_action, + trusted_host, + cert, + client_cert, + cache_dir, + no_cache, + disable_pip_version_check, + no_color, + ] +} # type: Dict[str, Any] + +index_group = { + 'name': 'Package Index Options', + 'options': [ + index_url, + extra_index_url, + no_index, + find_links, + ] +} # type: Dict[str, Any] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py new file mode 100644 index 0000000..b17c749 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py @@ -0,0 +1,104 @@ +"""A single place for constructing and exposing the main parser +""" + +import os +import sys + +from pip import __version__ +from pip._internal.cli import cmdoptions +from pip._internal.cli.parser import ( + ConfigOptionParser, UpdatingDefaultsHelpFormatter, +) +from pip._internal.commands import ( + commands_dict, get_similar_commands, get_summaries, +) +from pip._internal.exceptions import CommandError +from pip._internal.utils.misc import get_prog +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Tuple, List # noqa: F401 + + +__all__ = ["create_main_parser", "parse_command"] + + +def create_main_parser(): + # type: () -> ConfigOptionParser + """Creates and returns the main parser for pip's CLI + """ + + parser_kw = { + 'usage': '\n%prog [options]', + 'add_help_option': False, + 'formatter': UpdatingDefaultsHelpFormatter(), + 'name': 'global', + 'prog': get_prog(), + } + + parser = ConfigOptionParser(**parser_kw) + parser.disable_interspersed_args() + + pip_pkg_dir = os.path.abspath(os.path.join( + os.path.dirname(__file__), "..", "..", + )) + parser.version = 'pip %s from %s (python %s)' % ( + __version__, pip_pkg_dir, sys.version[:3], + ) + + # add the general options + gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser) + parser.add_option_group(gen_opts) + + # so the help formatter knows + parser.main = True # type: ignore + + # create command listing for description + command_summaries = get_summaries() + description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries] + parser.description = '\n'.join(description) + + return parser + + +def parse_command(args): + # type: (List[str]) -> Tuple[str, List[str]] + parser = create_main_parser() + + # Note: parser calls disable_interspersed_args(), so the result of this + # call is to split the initial args into the general options before the + # subcommand and everything else. + # For example: + # args: ['--timeout=5', 'install', '--user', 'INITools'] + # general_options: ['--timeout==5'] + # args_else: ['install', '--user', 'INITools'] + general_options, args_else = parser.parse_args(args) + + # --version + if general_options.version: + sys.stdout.write(parser.version) # type: ignore + sys.stdout.write(os.linesep) + sys.exit() + + # pip || pip help -> print_help() + if not args_else or (args_else[0] == 'help' and len(args_else) == 1): + parser.print_help() + sys.exit() + + # the subcommand name + cmd_name = args_else[0] + + if cmd_name not in commands_dict: + guess = get_similar_commands(cmd_name) + + msg = ['unknown command "%s"' % cmd_name] + if guess: + msg.append('maybe you meant "%s"' % guess) + + raise CommandError(' - '.join(msg)) + + # all the args without the subcommand + cmd_args = args[:] + cmd_args.remove(cmd_name) + + return cmd_name, cmd_args diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py new file mode 100644 index 0000000..e1eaac4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py @@ -0,0 +1,261 @@ +"""Base option parser setup""" +from __future__ import absolute_import + +import logging +import optparse +import sys +import textwrap +from distutils.util import strtobool + +from pip._vendor.six import string_types + +from pip._internal.cli.status_codes import UNKNOWN_ERROR +from pip._internal.configuration import Configuration, ConfigurationError +from pip._internal.utils.compat import get_terminal_size + +logger = logging.getLogger(__name__) + + +class PrettyHelpFormatter(optparse.IndentedHelpFormatter): + """A prettier/less verbose help formatter for optparse.""" + + def __init__(self, *args, **kwargs): + # help position must be aligned with __init__.parseopts.description + kwargs['max_help_position'] = 30 + kwargs['indent_increment'] = 1 + kwargs['width'] = get_terminal_size()[0] - 2 + optparse.IndentedHelpFormatter.__init__(self, *args, **kwargs) + + def format_option_strings(self, option): + return self._format_option_strings(option, ' <%s>', ', ') + + def _format_option_strings(self, option, mvarfmt=' <%s>', optsep=', '): + """ + Return a comma-separated list of option strings and metavars. + + :param option: tuple of (short opt, long opt), e.g: ('-f', '--format') + :param mvarfmt: metavar format string - evaluated as mvarfmt % metavar + :param optsep: separator + """ + opts = [] + + if option._short_opts: + opts.append(option._short_opts[0]) + if option._long_opts: + opts.append(option._long_opts[0]) + if len(opts) > 1: + opts.insert(1, optsep) + + if option.takes_value(): + metavar = option.metavar or option.dest.lower() + opts.append(mvarfmt % metavar.lower()) + + return ''.join(opts) + + def format_heading(self, heading): + if heading == 'Options': + return '' + return heading + ':\n' + + def format_usage(self, usage): + """ + Ensure there is only one newline between usage and the first heading + if there is no description. + """ + msg = '\nUsage: %s\n' % self.indent_lines(textwrap.dedent(usage), " ") + return msg + + def format_description(self, description): + # leave full control over description to us + if description: + if hasattr(self.parser, 'main'): + label = 'Commands' + else: + label = 'Description' + # some doc strings have initial newlines, some don't + description = description.lstrip('\n') + # some doc strings have final newlines and spaces, some don't + description = description.rstrip() + # dedent, then reindent + description = self.indent_lines(textwrap.dedent(description), " ") + description = '%s:\n%s\n' % (label, description) + return description + else: + return '' + + def format_epilog(self, epilog): + # leave full control over epilog to us + if epilog: + return epilog + else: + return '' + + def indent_lines(self, text, indent): + new_lines = [indent + line for line in text.split('\n')] + return "\n".join(new_lines) + + +class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter): + """Custom help formatter for use in ConfigOptionParser. + + This is updates the defaults before expanding them, allowing + them to show up correctly in the help listing. + """ + + def expand_default(self, option): + if self.parser is not None: + self.parser._update_defaults(self.parser.defaults) + return optparse.IndentedHelpFormatter.expand_default(self, option) + + +class CustomOptionParser(optparse.OptionParser): + + def insert_option_group(self, idx, *args, **kwargs): + """Insert an OptionGroup at a given position.""" + group = self.add_option_group(*args, **kwargs) + + self.option_groups.pop() + self.option_groups.insert(idx, group) + + return group + + @property + def option_list_all(self): + """Get a list of all options, including those in option groups.""" + res = self.option_list[:] + for i in self.option_groups: + res.extend(i.option_list) + + return res + + +class ConfigOptionParser(CustomOptionParser): + """Custom option parser which updates its defaults by checking the + configuration files and environmental variables""" + + def __init__(self, *args, **kwargs): + self.name = kwargs.pop('name') + + isolated = kwargs.pop("isolated", False) + self.config = Configuration(isolated) + + assert self.name + optparse.OptionParser.__init__(self, *args, **kwargs) + + def check_default(self, option, key, val): + try: + return option.check_value(key, val) + except optparse.OptionValueError as exc: + print("An error occurred during configuration: %s" % exc) + sys.exit(3) + + def _get_ordered_configuration_items(self): + # Configuration gives keys in an unordered manner. Order them. + override_order = ["global", self.name, ":env:"] + + # Pool the options into different groups + section_items = {name: [] for name in override_order} + for section_key, val in self.config.items(): + # ignore empty values + if not val: + logger.debug( + "Ignoring configuration key '%s' as it's value is empty.", + section_key + ) + continue + + section, key = section_key.split(".", 1) + if section in override_order: + section_items[section].append((key, val)) + + # Yield each group in their override order + for section in override_order: + for key, val in section_items[section]: + yield key, val + + def _update_defaults(self, defaults): + """Updates the given defaults with values from the config files and + the environ. Does a little special handling for certain types of + options (lists).""" + + # Accumulate complex default state. + self.values = optparse.Values(self.defaults) + late_eval = set() + # Then set the options with those values + for key, val in self._get_ordered_configuration_items(): + # '--' because configuration supports only long names + option = self.get_option('--' + key) + + # Ignore options not present in this parser. E.g. non-globals put + # in [global] by users that want them to apply to all applicable + # commands. + if option is None: + continue + + if option.action in ('store_true', 'store_false', 'count'): + try: + val = strtobool(val) + except ValueError: + error_msg = invalid_config_error_message( + option.action, key, val + ) + self.error(error_msg) + + elif option.action == 'append': + val = val.split() + val = [self.check_default(option, key, v) for v in val] + elif option.action == 'callback': + late_eval.add(option.dest) + opt_str = option.get_opt_string() + val = option.convert_value(opt_str, val) + # From take_action + args = option.callback_args or () + kwargs = option.callback_kwargs or {} + option.callback(option, opt_str, val, self, *args, **kwargs) + else: + val = self.check_default(option, key, val) + + defaults[option.dest] = val + + for key in late_eval: + defaults[key] = getattr(self.values, key) + self.values = None + return defaults + + def get_default_values(self): + """Overriding to make updating the defaults after instantiation of + the option parser possible, _update_defaults() does the dirty work.""" + if not self.process_default_values: + # Old, pre-Optik 1.5 behaviour. + return optparse.Values(self.defaults) + + # Load the configuration, or error out in case of an error + try: + self.config.load() + except ConfigurationError as err: + self.exit(UNKNOWN_ERROR, str(err)) + + defaults = self._update_defaults(self.defaults.copy()) # ours + for option in self._get_all_options(): + default = defaults.get(option.dest) + if isinstance(default, string_types): + opt_str = option.get_opt_string() + defaults[option.dest] = option.check_value(opt_str, default) + return optparse.Values(defaults) + + def error(self, msg): + self.print_usage(sys.stderr) + self.exit(UNKNOWN_ERROR, "%s\n" % msg) + + +def invalid_config_error_message(action, key, val): + """Returns a better error message when invalid configuration option + is provided.""" + if action in ('store_true', 'store_false'): + return ("{0} is not a valid value for {1} option, " + "please specify a boolean value like yes/no, " + "true/false or 1/0 instead.").format(val, key) + + return ("{0} is not a valid value for {1} option, " + "please specify a numerical value like 1/0 " + "instead.").format(val, key) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py new file mode 100644 index 0000000..275360a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py @@ -0,0 +1,8 @@ +from __future__ import absolute_import + +SUCCESS = 0 +ERROR = 1 +UNKNOWN_ERROR = 2 +VIRTUALENV_NOT_FOUND = 3 +PREVIOUS_BUILD_DIR_ERROR = 4 +NO_MATCHES_FOUND = 23 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/__init__.py new file mode 100644 index 0000000..c7d1da3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/__init__.py @@ -0,0 +1,79 @@ +""" +Package containing all pip commands +""" +from __future__ import absolute_import + +from pip._internal.commands.completion import CompletionCommand +from pip._internal.commands.configuration import ConfigurationCommand +from pip._internal.commands.download import DownloadCommand +from pip._internal.commands.freeze import FreezeCommand +from pip._internal.commands.hash import HashCommand +from pip._internal.commands.help import HelpCommand +from pip._internal.commands.list import ListCommand +from pip._internal.commands.check import CheckCommand +from pip._internal.commands.search import SearchCommand +from pip._internal.commands.show import ShowCommand +from pip._internal.commands.install import InstallCommand +from pip._internal.commands.uninstall import UninstallCommand +from pip._internal.commands.wheel import WheelCommand + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import List, Type # noqa: F401 + from pip._internal.cli.base_command import Command # noqa: F401 + +commands_order = [ + InstallCommand, + DownloadCommand, + UninstallCommand, + FreezeCommand, + ListCommand, + ShowCommand, + CheckCommand, + ConfigurationCommand, + SearchCommand, + WheelCommand, + HashCommand, + CompletionCommand, + HelpCommand, +] # type: List[Type[Command]] + +commands_dict = {c.name: c for c in commands_order} + + +def get_summaries(ordered=True): + """Yields sorted (command name, command summary) tuples.""" + + if ordered: + cmditems = _sort_commands(commands_dict, commands_order) + else: + cmditems = commands_dict.items() + + for name, command_class in cmditems: + yield (name, command_class.summary) + + +def get_similar_commands(name): + """Command name auto-correct.""" + from difflib import get_close_matches + + name = name.lower() + + close_commands = get_close_matches(name, commands_dict.keys()) + + if close_commands: + return close_commands[0] + else: + return False + + +def _sort_commands(cmddict, order): + def keyfn(key): + try: + return order.index(key[1]) + except ValueError: + # unordered items should come last + return 0xff + + return sorted(cmddict.items(), key=keyfn) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/check.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/check.py new file mode 100644 index 0000000..801cecc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/check.py @@ -0,0 +1,41 @@ +import logging + +from pip._internal.cli.base_command import Command +from pip._internal.operations.check import ( + check_package_set, create_package_set_from_installed, +) + +logger = logging.getLogger(__name__) + + +class CheckCommand(Command): + """Verify installed packages have compatible dependencies.""" + name = 'check' + usage = """ + %prog [options]""" + summary = 'Verify installed packages have compatible dependencies.' + + def run(self, options, args): + package_set, parsing_probs = create_package_set_from_installed() + missing, conflicting = check_package_set(package_set) + + for project_name in missing: + version = package_set[project_name].version + for dependency in missing[project_name]: + logger.info( + "%s %s requires %s, which is not installed.", + project_name, version, dependency[0], + ) + + for project_name in conflicting: + version = package_set[project_name].version + for dep_name, dep_version, req in conflicting[project_name]: + logger.info( + "%s %s has requirement %s, but you have %s %s.", + project_name, version, req, dep_name, dep_version, + ) + + if missing or conflicting or parsing_probs: + return 1 + else: + logger.info("No broken requirements found.") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/completion.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/completion.py new file mode 100644 index 0000000..2fcdd39 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/completion.py @@ -0,0 +1,94 @@ +from __future__ import absolute_import + +import sys +import textwrap + +from pip._internal.cli.base_command import Command +from pip._internal.utils.misc import get_prog + +BASE_COMPLETION = """ +# pip %(shell)s completion start%(script)s# pip %(shell)s completion end +""" + +COMPLETION_SCRIPTS = { + 'bash': """ + _pip_completion() + { + COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\ + COMP_CWORD=$COMP_CWORD \\ + PIP_AUTO_COMPLETE=1 $1 ) ) + } + complete -o default -F _pip_completion %(prog)s + """, + 'zsh': """ + function _pip_completion { + local words cword + read -Ac words + read -cn cword + reply=( $( COMP_WORDS="$words[*]" \\ + COMP_CWORD=$(( cword-1 )) \\ + PIP_AUTO_COMPLETE=1 $words[1] ) ) + } + compctl -K _pip_completion %(prog)s + """, + 'fish': """ + function __fish_complete_pip + set -lx COMP_WORDS (commandline -o) "" + set -lx COMP_CWORD ( \\ + math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\ + ) + set -lx PIP_AUTO_COMPLETE 1 + string split \\ -- (eval $COMP_WORDS[1]) + end + complete -fa "(__fish_complete_pip)" -c %(prog)s + """, +} + + +class CompletionCommand(Command): + """A helper command to be used for command completion.""" + name = 'completion' + summary = 'A helper command used for command completion.' + ignore_require_venv = True + + def __init__(self, *args, **kw): + super(CompletionCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option( + '--bash', '-b', + action='store_const', + const='bash', + dest='shell', + help='Emit completion code for bash') + cmd_opts.add_option( + '--zsh', '-z', + action='store_const', + const='zsh', + dest='shell', + help='Emit completion code for zsh') + cmd_opts.add_option( + '--fish', '-f', + action='store_const', + const='fish', + dest='shell', + help='Emit completion code for fish') + + self.parser.insert_option_group(0, cmd_opts) + + def run(self, options, args): + """Prints the completion code of the given shell""" + shells = COMPLETION_SCRIPTS.keys() + shell_options = ['--' + shell for shell in sorted(shells)] + if options.shell in shells: + script = textwrap.dedent( + COMPLETION_SCRIPTS.get(options.shell, '') % { + 'prog': get_prog(), + } + ) + print(BASE_COMPLETION % {'script': script, 'shell': options.shell}) + else: + sys.stderr.write( + 'ERROR: You must pass %s\n' % ' or '.join(shell_options) + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/configuration.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/configuration.py new file mode 100644 index 0000000..826c08d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/configuration.py @@ -0,0 +1,227 @@ +import logging +import os +import subprocess + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import ERROR, SUCCESS +from pip._internal.configuration import Configuration, kinds +from pip._internal.exceptions import PipError +from pip._internal.locations import venv_config_file +from pip._internal.utils.misc import get_prog + +logger = logging.getLogger(__name__) + + +class ConfigurationCommand(Command): + """Manage local and global configuration. + + Subcommands: + + list: List the active configuration (or from the file specified) + edit: Edit the configuration file in an editor + get: Get the value associated with name + set: Set the name=value + unset: Unset the value associated with name + + If none of --user, --global and --venv are passed, a virtual + environment configuration file is used if one is active and the file + exists. Otherwise, all modifications happen on the to the user file by + default. + """ + + name = 'config' + usage = """ + %prog [] list + %prog [] [--editor ] edit + + %prog [] get name + %prog [] set name value + %prog [] unset name + """ + + summary = "Manage local and global configuration." + + def __init__(self, *args, **kwargs): + super(ConfigurationCommand, self).__init__(*args, **kwargs) + + self.configuration = None + + self.cmd_opts.add_option( + '--editor', + dest='editor', + action='store', + default=None, + help=( + 'Editor to use to edit the file. Uses VISUAL or EDITOR ' + 'environment variables if not provided.' + ) + ) + + self.cmd_opts.add_option( + '--global', + dest='global_file', + action='store_true', + default=False, + help='Use the system-wide configuration file only' + ) + + self.cmd_opts.add_option( + '--user', + dest='user_file', + action='store_true', + default=False, + help='Use the user configuration file only' + ) + + self.cmd_opts.add_option( + '--venv', + dest='venv_file', + action='store_true', + default=False, + help='Use the virtualenv configuration file only' + ) + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + handlers = { + "list": self.list_values, + "edit": self.open_in_editor, + "get": self.get_name, + "set": self.set_name_value, + "unset": self.unset_name + } + + # Determine action + if not args or args[0] not in handlers: + logger.error("Need an action ({}) to perform.".format( + ", ".join(sorted(handlers))) + ) + return ERROR + + action = args[0] + + # Determine which configuration files are to be loaded + # Depends on whether the command is modifying. + try: + load_only = self._determine_file( + options, need_value=(action in ["get", "set", "unset", "edit"]) + ) + except PipError as e: + logger.error(e.args[0]) + return ERROR + + # Load a new configuration + self.configuration = Configuration( + isolated=options.isolated_mode, load_only=load_only + ) + self.configuration.load() + + # Error handling happens here, not in the action-handlers. + try: + handlers[action](options, args[1:]) + except PipError as e: + logger.error(e.args[0]) + return ERROR + + return SUCCESS + + def _determine_file(self, options, need_value): + file_options = { + kinds.USER: options.user_file, + kinds.GLOBAL: options.global_file, + kinds.VENV: options.venv_file + } + + if sum(file_options.values()) == 0: + if not need_value: + return None + # Default to user, unless there's a virtualenv file. + elif os.path.exists(venv_config_file): + return kinds.VENV + else: + return kinds.USER + elif sum(file_options.values()) == 1: + # There's probably a better expression for this. + return [key for key in file_options if file_options[key]][0] + + raise PipError( + "Need exactly one file to operate upon " + "(--user, --venv, --global) to perform." + ) + + def list_values(self, options, args): + self._get_n_args(args, "list", n=0) + + for key, value in sorted(self.configuration.items()): + logger.info("%s=%r", key, value) + + def get_name(self, options, args): + key = self._get_n_args(args, "get [name]", n=1) + value = self.configuration.get_value(key) + + logger.info("%s", value) + + def set_name_value(self, options, args): + key, value = self._get_n_args(args, "set [name] [value]", n=2) + self.configuration.set_value(key, value) + + self._save_configuration() + + def unset_name(self, options, args): + key = self._get_n_args(args, "unset [name]", n=1) + self.configuration.unset_value(key) + + self._save_configuration() + + def open_in_editor(self, options, args): + editor = self._determine_editor(options) + + fname = self.configuration.get_file_to_edit() + if fname is None: + raise PipError("Could not determine appropriate file.") + + try: + subprocess.check_call([editor, fname]) + except subprocess.CalledProcessError as e: + raise PipError( + "Editor Subprocess exited with exit code {}" + .format(e.returncode) + ) + + def _get_n_args(self, args, example, n): + """Helper to make sure the command got the right number of arguments + """ + if len(args) != n: + msg = ( + 'Got unexpected number of arguments, expected {}. ' + '(example: "{} config {}")' + ).format(n, get_prog(), example) + raise PipError(msg) + + if n == 1: + return args[0] + else: + return args + + def _save_configuration(self): + # We successfully ran a modifying command. Need to save the + # configuration. + try: + self.configuration.save() + except Exception: + logger.error( + "Unable to save configuration. Please report this as a bug.", + exc_info=1 + ) + raise PipError("Internal Error.") + + def _determine_editor(self, options): + if options.editor is not None: + return options.editor + elif "VISUAL" in os.environ: + return os.environ["VISUAL"] + elif "EDITOR" in os.environ: + return os.environ["EDITOR"] + else: + raise PipError("Could not determine editor to use.") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/download.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/download.py new file mode 100644 index 0000000..a57e4bc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/download.py @@ -0,0 +1,176 @@ +from __future__ import absolute_import + +import logging +import os + +from pip._internal.cli import cmdoptions +from pip._internal.cli.base_command import RequirementCommand +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req import RequirementSet +from pip._internal.req.req_tracker import RequirementTracker +from pip._internal.resolve import Resolver +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.misc import ensure_dir, normalize_path +from pip._internal.utils.temp_dir import TempDirectory + +logger = logging.getLogger(__name__) + + +class DownloadCommand(RequirementCommand): + """ + Download packages from: + + - PyPI (and other indexes) using requirement specifiers. + - VCS project urls. + - Local project directories. + - Local or remote source archives. + + pip also supports downloading from "requirements files", which provide + an easy way to specify a whole environment to be downloaded. + """ + name = 'download' + + usage = """ + %prog [options] [package-index-options] ... + %prog [options] -r [package-index-options] ... + %prog [options] ... + %prog [options] ... + %prog [options] ...""" + + summary = 'Download packages.' + + def __init__(self, *args, **kw): + super(DownloadCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option(cmdoptions.constraints()) + cmd_opts.add_option(cmdoptions.requirements()) + cmd_opts.add_option(cmdoptions.build_dir()) + cmd_opts.add_option(cmdoptions.no_deps()) + cmd_opts.add_option(cmdoptions.global_options()) + cmd_opts.add_option(cmdoptions.no_binary()) + cmd_opts.add_option(cmdoptions.only_binary()) + cmd_opts.add_option(cmdoptions.prefer_binary()) + cmd_opts.add_option(cmdoptions.src()) + cmd_opts.add_option(cmdoptions.pre()) + cmd_opts.add_option(cmdoptions.no_clean()) + cmd_opts.add_option(cmdoptions.require_hashes()) + cmd_opts.add_option(cmdoptions.progress_bar()) + cmd_opts.add_option(cmdoptions.no_build_isolation()) + cmd_opts.add_option(cmdoptions.use_pep517()) + cmd_opts.add_option(cmdoptions.no_use_pep517()) + + cmd_opts.add_option( + '-d', '--dest', '--destination-dir', '--destination-directory', + dest='download_dir', + metavar='dir', + default=os.curdir, + help=("Download packages into ."), + ) + + cmd_opts.add_option(cmdoptions.platform()) + cmd_opts.add_option(cmdoptions.python_version()) + cmd_opts.add_option(cmdoptions.implementation()) + cmd_opts.add_option(cmdoptions.abi()) + + index_opts = cmdoptions.make_option_group( + cmdoptions.index_group, + self.parser, + ) + + self.parser.insert_option_group(0, index_opts) + self.parser.insert_option_group(0, cmd_opts) + + def run(self, options, args): + options.ignore_installed = True + # editable doesn't really make sense for `pip download`, but the bowels + # of the RequirementSet code require that property. + options.editables = [] + + if options.python_version: + python_versions = [options.python_version] + else: + python_versions = None + + cmdoptions.check_dist_restriction(options) + + options.src_dir = os.path.abspath(options.src_dir) + options.download_dir = normalize_path(options.download_dir) + + ensure_dir(options.download_dir) + + with self._build_session(options) as session: + finder = self._build_package_finder( + options=options, + session=session, + platform=options.platform, + python_versions=python_versions, + abi=options.abi, + implementation=options.implementation, + ) + build_delete = (not (options.no_clean or options.build_dir)) + if options.cache_dir and not check_path_owner(options.cache_dir): + logger.warning( + "The directory '%s' or its parent directory is not owned " + "by the current user and caching wheels has been " + "disabled. check the permissions and owner of that " + "directory. If executing pip with sudo, you may want " + "sudo's -H flag.", + options.cache_dir, + ) + options.cache_dir = None + + with RequirementTracker() as req_tracker, TempDirectory( + options.build_dir, delete=build_delete, kind="download" + ) as directory: + + requirement_set = RequirementSet( + require_hashes=options.require_hashes, + ) + self.populate_requirement_set( + requirement_set, + args, + options, + finder, + session, + self.name, + None + ) + + preparer = RequirementPreparer( + build_dir=directory.path, + src_dir=options.src_dir, + download_dir=options.download_dir, + wheel_download_dir=None, + progress_bar=options.progress_bar, + build_isolation=options.build_isolation, + req_tracker=req_tracker, + ) + + resolver = Resolver( + preparer=preparer, + finder=finder, + session=session, + wheel_cache=None, + use_user_site=False, + upgrade_strategy="to-satisfy-only", + force_reinstall=False, + ignore_dependencies=options.ignore_dependencies, + ignore_requires_python=False, + ignore_installed=True, + isolated=options.isolated_mode, + ) + resolver.resolve(requirement_set) + + downloaded = ' '.join([ + req.name for req in requirement_set.successfully_downloaded + ]) + if downloaded: + logger.info('Successfully downloaded %s', downloaded) + + # Clean up + if not options.no_clean: + requirement_set.cleanup_files() + + return requirement_set diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/freeze.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/freeze.py new file mode 100644 index 0000000..dc9c53a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/freeze.py @@ -0,0 +1,96 @@ +from __future__ import absolute_import + +import sys + +from pip._internal.cache import WheelCache +from pip._internal.cli.base_command import Command +from pip._internal.models.format_control import FormatControl +from pip._internal.operations.freeze import freeze +from pip._internal.utils.compat import stdlib_pkgs + +DEV_PKGS = {'pip', 'setuptools', 'distribute', 'wheel'} + + +class FreezeCommand(Command): + """ + Output installed packages in requirements format. + + packages are listed in a case-insensitive sorted order. + """ + name = 'freeze' + usage = """ + %prog [options]""" + summary = 'Output installed packages in requirements format.' + log_streams = ("ext://sys.stderr", "ext://sys.stderr") + + def __init__(self, *args, **kw): + super(FreezeCommand, self).__init__(*args, **kw) + + self.cmd_opts.add_option( + '-r', '--requirement', + dest='requirements', + action='append', + default=[], + metavar='file', + help="Use the order in the given requirements file and its " + "comments when generating output. This option can be " + "used multiple times.") + self.cmd_opts.add_option( + '-f', '--find-links', + dest='find_links', + action='append', + default=[], + metavar='URL', + help='URL for finding packages, which will be added to the ' + 'output.') + self.cmd_opts.add_option( + '-l', '--local', + dest='local', + action='store_true', + default=False, + help='If in a virtualenv that has global access, do not output ' + 'globally-installed packages.') + self.cmd_opts.add_option( + '--user', + dest='user', + action='store_true', + default=False, + help='Only output packages installed in user-site.') + self.cmd_opts.add_option( + '--all', + dest='freeze_all', + action='store_true', + help='Do not skip these packages in the output:' + ' %s' % ', '.join(DEV_PKGS)) + self.cmd_opts.add_option( + '--exclude-editable', + dest='exclude_editable', + action='store_true', + help='Exclude editable package from output.') + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + format_control = FormatControl(set(), set()) + wheel_cache = WheelCache(options.cache_dir, format_control) + skip = set(stdlib_pkgs) + if not options.freeze_all: + skip.update(DEV_PKGS) + + freeze_kwargs = dict( + requirement=options.requirements, + find_links=options.find_links, + local_only=options.local, + user_only=options.user, + skip_regex=options.skip_requirements_regex, + isolated=options.isolated_mode, + wheel_cache=wheel_cache, + skip=skip, + exclude_editable=options.exclude_editable, + ) + + try: + for line in freeze(**freeze_kwargs): + sys.stdout.write(line + '\n') + finally: + wheel_cache.cleanup() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/hash.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/hash.py new file mode 100644 index 0000000..423440e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/hash.py @@ -0,0 +1,57 @@ +from __future__ import absolute_import + +import hashlib +import logging +import sys + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import ERROR +from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES +from pip._internal.utils.misc import read_chunks + +logger = logging.getLogger(__name__) + + +class HashCommand(Command): + """ + Compute a hash of a local package archive. + + These can be used with --hash in a requirements file to do repeatable + installs. + + """ + name = 'hash' + usage = '%prog [options] ...' + summary = 'Compute hashes of package archives.' + ignore_require_venv = True + + def __init__(self, *args, **kw): + super(HashCommand, self).__init__(*args, **kw) + self.cmd_opts.add_option( + '-a', '--algorithm', + dest='algorithm', + choices=STRONG_HASHES, + action='store', + default=FAVORITE_HASH, + help='The hash algorithm to use: one of %s' % + ', '.join(STRONG_HASHES)) + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + if not args: + self.parser.print_usage(sys.stderr) + return ERROR + + algorithm = options.algorithm + for path in args: + logger.info('%s:\n--hash=%s:%s', + path, algorithm, _hash_of_file(path, algorithm)) + + +def _hash_of_file(path, algorithm): + """Return the hash digest of a file.""" + with open(path, 'rb') as archive: + hash = hashlib.new(algorithm) + for chunk in read_chunks(archive): + hash.update(chunk) + return hash.hexdigest() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/help.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/help.py new file mode 100644 index 0000000..49a81cb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/help.py @@ -0,0 +1,37 @@ +from __future__ import absolute_import + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import SUCCESS +from pip._internal.exceptions import CommandError + + +class HelpCommand(Command): + """Show help for commands""" + name = 'help' + usage = """ + %prog """ + summary = 'Show help for commands.' + ignore_require_venv = True + + def run(self, options, args): + from pip._internal.commands import commands_dict, get_similar_commands + + try: + # 'pip help' with no args is handled by pip.__init__.parseopt() + cmd_name = args[0] # the command we need help for + except IndexError: + return SUCCESS + + if cmd_name not in commands_dict: + guess = get_similar_commands(cmd_name) + + msg = ['unknown command "%s"' % cmd_name] + if guess: + msg.append('maybe you meant "%s"' % guess) + + raise CommandError(' - '.join(msg)) + + command = commands_dict[cmd_name]() + command.parser.print_help() + + return SUCCESS diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py new file mode 100644 index 0000000..1c244d2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py @@ -0,0 +1,566 @@ +from __future__ import absolute_import + +import errno +import logging +import operator +import os +import shutil +from optparse import SUPPRESS_HELP + +from pip._vendor import pkg_resources + +from pip._internal.cache import WheelCache +from pip._internal.cli import cmdoptions +from pip._internal.cli.base_command import RequirementCommand +from pip._internal.cli.status_codes import ERROR +from pip._internal.exceptions import ( + CommandError, InstallationError, PreviousBuildDirError, +) +from pip._internal.locations import distutils_scheme, virtualenv_no_global +from pip._internal.operations.check import check_install_conflicts +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req import RequirementSet, install_given_reqs +from pip._internal.req.req_tracker import RequirementTracker +from pip._internal.resolve import Resolver +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.misc import ( + ensure_dir, get_installed_version, + protect_pip_from_modification_on_windows, +) +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.wheel import WheelBuilder + +logger = logging.getLogger(__name__) + + +class InstallCommand(RequirementCommand): + """ + Install packages from: + + - PyPI (and other indexes) using requirement specifiers. + - VCS project urls. + - Local project directories. + - Local or remote source archives. + + pip also supports installing from "requirements files", which provide + an easy way to specify a whole environment to be installed. + """ + name = 'install' + + usage = """ + %prog [options] [package-index-options] ... + %prog [options] -r [package-index-options] ... + %prog [options] [-e] ... + %prog [options] [-e] ... + %prog [options] ...""" + + summary = 'Install packages.' + + def __init__(self, *args, **kw): + super(InstallCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option(cmdoptions.requirements()) + cmd_opts.add_option(cmdoptions.constraints()) + cmd_opts.add_option(cmdoptions.no_deps()) + cmd_opts.add_option(cmdoptions.pre()) + + cmd_opts.add_option(cmdoptions.editable()) + cmd_opts.add_option( + '-t', '--target', + dest='target_dir', + metavar='dir', + default=None, + help='Install packages into . ' + 'By default this will not replace existing files/folders in ' + '. Use --upgrade to replace existing packages in ' + 'with new versions.' + ) + cmd_opts.add_option(cmdoptions.platform()) + cmd_opts.add_option(cmdoptions.python_version()) + cmd_opts.add_option(cmdoptions.implementation()) + cmd_opts.add_option(cmdoptions.abi()) + + cmd_opts.add_option( + '--user', + dest='use_user_site', + action='store_true', + help="Install to the Python user install directory for your " + "platform. Typically ~/.local/, or %APPDATA%\\Python on " + "Windows. (See the Python documentation for site.USER_BASE " + "for full details.)") + cmd_opts.add_option( + '--no-user', + dest='use_user_site', + action='store_false', + help=SUPPRESS_HELP) + cmd_opts.add_option( + '--root', + dest='root_path', + metavar='dir', + default=None, + help="Install everything relative to this alternate root " + "directory.") + cmd_opts.add_option( + '--prefix', + dest='prefix_path', + metavar='dir', + default=None, + help="Installation prefix where lib, bin and other top-level " + "folders are placed") + + cmd_opts.add_option(cmdoptions.build_dir()) + + cmd_opts.add_option(cmdoptions.src()) + + cmd_opts.add_option( + '-U', '--upgrade', + dest='upgrade', + action='store_true', + help='Upgrade all specified packages to the newest available ' + 'version. The handling of dependencies depends on the ' + 'upgrade-strategy used.' + ) + + cmd_opts.add_option( + '--upgrade-strategy', + dest='upgrade_strategy', + default='only-if-needed', + choices=['only-if-needed', 'eager'], + help='Determines how dependency upgrading should be handled ' + '[default: %default]. ' + '"eager" - dependencies are upgraded regardless of ' + 'whether the currently installed version satisfies the ' + 'requirements of the upgraded package(s). ' + '"only-if-needed" - are upgraded only when they do not ' + 'satisfy the requirements of the upgraded package(s).' + ) + + cmd_opts.add_option( + '--force-reinstall', + dest='force_reinstall', + action='store_true', + help='Reinstall all packages even if they are already ' + 'up-to-date.') + + cmd_opts.add_option( + '-I', '--ignore-installed', + dest='ignore_installed', + action='store_true', + help='Ignore the installed packages (reinstalling instead).') + + cmd_opts.add_option(cmdoptions.ignore_requires_python()) + cmd_opts.add_option(cmdoptions.no_build_isolation()) + cmd_opts.add_option(cmdoptions.use_pep517()) + cmd_opts.add_option(cmdoptions.no_use_pep517()) + + cmd_opts.add_option(cmdoptions.install_options()) + cmd_opts.add_option(cmdoptions.global_options()) + + cmd_opts.add_option( + "--compile", + action="store_true", + dest="compile", + default=True, + help="Compile Python source files to bytecode", + ) + + cmd_opts.add_option( + "--no-compile", + action="store_false", + dest="compile", + help="Do not compile Python source files to bytecode", + ) + + cmd_opts.add_option( + "--no-warn-script-location", + action="store_false", + dest="warn_script_location", + default=True, + help="Do not warn when installing scripts outside PATH", + ) + cmd_opts.add_option( + "--no-warn-conflicts", + action="store_false", + dest="warn_about_conflicts", + default=True, + help="Do not warn about broken dependencies", + ) + + cmd_opts.add_option(cmdoptions.no_binary()) + cmd_opts.add_option(cmdoptions.only_binary()) + cmd_opts.add_option(cmdoptions.prefer_binary()) + cmd_opts.add_option(cmdoptions.no_clean()) + cmd_opts.add_option(cmdoptions.require_hashes()) + cmd_opts.add_option(cmdoptions.progress_bar()) + + index_opts = cmdoptions.make_option_group( + cmdoptions.index_group, + self.parser, + ) + + self.parser.insert_option_group(0, index_opts) + self.parser.insert_option_group(0, cmd_opts) + + def run(self, options, args): + cmdoptions.check_install_build_global(options) + upgrade_strategy = "to-satisfy-only" + if options.upgrade: + upgrade_strategy = options.upgrade_strategy + + if options.build_dir: + options.build_dir = os.path.abspath(options.build_dir) + + cmdoptions.check_dist_restriction(options, check_target=True) + + if options.python_version: + python_versions = [options.python_version] + else: + python_versions = None + + options.src_dir = os.path.abspath(options.src_dir) + install_options = options.install_options or [] + if options.use_user_site: + if options.prefix_path: + raise CommandError( + "Can not combine '--user' and '--prefix' as they imply " + "different installation locations" + ) + if virtualenv_no_global(): + raise InstallationError( + "Can not perform a '--user' install. User site-packages " + "are not visible in this virtualenv." + ) + install_options.append('--user') + install_options.append('--prefix=') + + target_temp_dir = TempDirectory(kind="target") + if options.target_dir: + options.ignore_installed = True + options.target_dir = os.path.abspath(options.target_dir) + if (os.path.exists(options.target_dir) and not + os.path.isdir(options.target_dir)): + raise CommandError( + "Target path exists but is not a directory, will not " + "continue." + ) + + # Create a target directory for using with the target option + target_temp_dir.create() + install_options.append('--home=' + target_temp_dir.path) + + global_options = options.global_options or [] + + with self._build_session(options) as session: + finder = self._build_package_finder( + options=options, + session=session, + platform=options.platform, + python_versions=python_versions, + abi=options.abi, + implementation=options.implementation, + ) + build_delete = (not (options.no_clean or options.build_dir)) + wheel_cache = WheelCache(options.cache_dir, options.format_control) + + if options.cache_dir and not check_path_owner(options.cache_dir): + logger.warning( + "The directory '%s' or its parent directory is not owned " + "by the current user and caching wheels has been " + "disabled. check the permissions and owner of that " + "directory. If executing pip with sudo, you may want " + "sudo's -H flag.", + options.cache_dir, + ) + options.cache_dir = None + + with RequirementTracker() as req_tracker, TempDirectory( + options.build_dir, delete=build_delete, kind="install" + ) as directory: + requirement_set = RequirementSet( + require_hashes=options.require_hashes, + check_supported_wheels=not options.target_dir, + ) + + try: + self.populate_requirement_set( + requirement_set, args, options, finder, session, + self.name, wheel_cache + ) + preparer = RequirementPreparer( + build_dir=directory.path, + src_dir=options.src_dir, + download_dir=None, + wheel_download_dir=None, + progress_bar=options.progress_bar, + build_isolation=options.build_isolation, + req_tracker=req_tracker, + ) + + resolver = Resolver( + preparer=preparer, + finder=finder, + session=session, + wheel_cache=wheel_cache, + use_user_site=options.use_user_site, + upgrade_strategy=upgrade_strategy, + force_reinstall=options.force_reinstall, + ignore_dependencies=options.ignore_dependencies, + ignore_requires_python=options.ignore_requires_python, + ignore_installed=options.ignore_installed, + isolated=options.isolated_mode, + use_pep517=options.use_pep517 + ) + resolver.resolve(requirement_set) + + protect_pip_from_modification_on_windows( + modifying_pip=requirement_set.has_requirement("pip") + ) + + # Consider legacy and PEP517-using requirements separately + legacy_requirements = [] + pep517_requirements = [] + for req in requirement_set.requirements.values(): + if req.use_pep517: + pep517_requirements.append(req) + else: + legacy_requirements.append(req) + + # We don't build wheels for legacy requirements if we + # don't have wheel installed or we don't have a cache dir + try: + import wheel # noqa: F401 + build_legacy = bool(options.cache_dir) + except ImportError: + build_legacy = False + + wb = WheelBuilder( + finder, preparer, wheel_cache, + build_options=[], global_options=[], + ) + + # Always build PEP 517 requirements + build_failures = wb.build( + pep517_requirements, + session=session, autobuilding=True + ) + + if build_legacy: + # We don't care about failures building legacy + # requirements, as we'll fall through to a direct + # install for those. + wb.build( + legacy_requirements, + session=session, autobuilding=True + ) + + # If we're using PEP 517, we cannot do a direct install + # so we fail here. + if build_failures: + raise InstallationError( + "Could not build wheels for {} which use" + " PEP 517 and cannot be installed directly".format( + ", ".join(r.name for r in build_failures))) + + to_install = resolver.get_installation_order( + requirement_set + ) + + # Consistency Checking of the package set we're installing. + should_warn_about_conflicts = ( + not options.ignore_dependencies and + options.warn_about_conflicts + ) + if should_warn_about_conflicts: + self._warn_about_conflicts(to_install) + + # Don't warn about script install locations if + # --target has been specified + warn_script_location = options.warn_script_location + if options.target_dir: + warn_script_location = False + + installed = install_given_reqs( + to_install, + install_options, + global_options, + root=options.root_path, + home=target_temp_dir.path, + prefix=options.prefix_path, + pycompile=options.compile, + warn_script_location=warn_script_location, + use_user_site=options.use_user_site, + ) + + lib_locations = get_lib_location_guesses( + user=options.use_user_site, + home=target_temp_dir.path, + root=options.root_path, + prefix=options.prefix_path, + isolated=options.isolated_mode, + ) + working_set = pkg_resources.WorkingSet(lib_locations) + + reqs = sorted(installed, key=operator.attrgetter('name')) + items = [] + for req in reqs: + item = req.name + try: + installed_version = get_installed_version( + req.name, working_set=working_set + ) + if installed_version: + item += '-' + installed_version + except Exception: + pass + items.append(item) + installed = ' '.join(items) + if installed: + logger.info('Successfully installed %s', installed) + except EnvironmentError as error: + show_traceback = (self.verbosity >= 1) + + message = create_env_error_message( + error, show_traceback, options.use_user_site, + ) + logger.error(message, exc_info=show_traceback) + + return ERROR + except PreviousBuildDirError: + options.no_clean = True + raise + finally: + # Clean up + if not options.no_clean: + requirement_set.cleanup_files() + wheel_cache.cleanup() + + if options.target_dir: + self._handle_target_dir( + options.target_dir, target_temp_dir, options.upgrade + ) + return requirement_set + + def _handle_target_dir(self, target_dir, target_temp_dir, upgrade): + ensure_dir(target_dir) + + # Checking both purelib and platlib directories for installed + # packages to be moved to target directory + lib_dir_list = [] + + with target_temp_dir: + # Checking both purelib and platlib directories for installed + # packages to be moved to target directory + scheme = distutils_scheme('', home=target_temp_dir.path) + purelib_dir = scheme['purelib'] + platlib_dir = scheme['platlib'] + data_dir = scheme['data'] + + if os.path.exists(purelib_dir): + lib_dir_list.append(purelib_dir) + if os.path.exists(platlib_dir) and platlib_dir != purelib_dir: + lib_dir_list.append(platlib_dir) + if os.path.exists(data_dir): + lib_dir_list.append(data_dir) + + for lib_dir in lib_dir_list: + for item in os.listdir(lib_dir): + if lib_dir == data_dir: + ddir = os.path.join(data_dir, item) + if any(s.startswith(ddir) for s in lib_dir_list[:-1]): + continue + target_item_dir = os.path.join(target_dir, item) + if os.path.exists(target_item_dir): + if not upgrade: + logger.warning( + 'Target directory %s already exists. Specify ' + '--upgrade to force replacement.', + target_item_dir + ) + continue + if os.path.islink(target_item_dir): + logger.warning( + 'Target directory %s already exists and is ' + 'a link. Pip will not automatically replace ' + 'links, please remove if replacement is ' + 'desired.', + target_item_dir + ) + continue + if os.path.isdir(target_item_dir): + shutil.rmtree(target_item_dir) + else: + os.remove(target_item_dir) + + shutil.move( + os.path.join(lib_dir, item), + target_item_dir + ) + + def _warn_about_conflicts(self, to_install): + try: + package_set, _dep_info = check_install_conflicts(to_install) + except Exception: + logger.error("Error checking for conflicts.", exc_info=True) + return + missing, conflicting = _dep_info + + # NOTE: There is some duplication here from pip check + for project_name in missing: + version = package_set[project_name][0] + for dependency in missing[project_name]: + logger.critical( + "%s %s requires %s, which is not installed.", + project_name, version, dependency[1], + ) + + for project_name in conflicting: + version = package_set[project_name][0] + for dep_name, dep_version, req in conflicting[project_name]: + logger.critical( + "%s %s has requirement %s, but you'll have %s %s which is " + "incompatible.", + project_name, version, req, dep_name, dep_version, + ) + + +def get_lib_location_guesses(*args, **kwargs): + scheme = distutils_scheme('', *args, **kwargs) + return [scheme['purelib'], scheme['platlib']] + + +def create_env_error_message(error, show_traceback, using_user_site): + """Format an error message for an EnvironmentError + + It may occur anytime during the execution of the install command. + """ + parts = [] + + # Mention the error if we are not going to show a traceback + parts.append("Could not install packages due to an EnvironmentError") + if not show_traceback: + parts.append(": ") + parts.append(str(error)) + else: + parts.append(".") + + # Spilt the error indication from a helper message (if any) + parts[-1] += "\n" + + # Suggest useful actions to the user: + # (1) using user site-packages or (2) verifying the permissions + if error.errno == errno.EACCES: + user_option_part = "Consider using the `--user` option" + permissions_part = "Check the permissions" + + if not using_user_site: + parts.extend([ + user_option_part, " or ", + permissions_part.lower(), + ]) + else: + parts.append(permissions_part) + parts.append(".\n") + + return "".join(parts).strip() + "\n" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/list.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/list.py new file mode 100644 index 0000000..a640274 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/list.py @@ -0,0 +1,301 @@ +from __future__ import absolute_import + +import json +import logging + +from pip._vendor import six +from pip._vendor.six.moves import zip_longest + +from pip._internal.cli import cmdoptions +from pip._internal.cli.base_command import Command +from pip._internal.exceptions import CommandError +from pip._internal.index import PackageFinder +from pip._internal.utils.misc import ( + dist_is_editable, get_installed_distributions, +) +from pip._internal.utils.packaging import get_installer + +logger = logging.getLogger(__name__) + + +class ListCommand(Command): + """ + List installed packages, including editables. + + Packages are listed in a case-insensitive sorted order. + """ + name = 'list' + usage = """ + %prog [options]""" + summary = 'List installed packages.' + + def __init__(self, *args, **kw): + super(ListCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option( + '-o', '--outdated', + action='store_true', + default=False, + help='List outdated packages') + cmd_opts.add_option( + '-u', '--uptodate', + action='store_true', + default=False, + help='List uptodate packages') + cmd_opts.add_option( + '-e', '--editable', + action='store_true', + default=False, + help='List editable projects.') + cmd_opts.add_option( + '-l', '--local', + action='store_true', + default=False, + help=('If in a virtualenv that has global access, do not list ' + 'globally-installed packages.'), + ) + self.cmd_opts.add_option( + '--user', + dest='user', + action='store_true', + default=False, + help='Only output packages installed in user-site.') + + cmd_opts.add_option( + '--pre', + action='store_true', + default=False, + help=("Include pre-release and development versions. By default, " + "pip only finds stable versions."), + ) + + cmd_opts.add_option( + '--format', + action='store', + dest='list_format', + default="columns", + choices=('columns', 'freeze', 'json'), + help="Select the output format among: columns (default), freeze, " + "or json", + ) + + cmd_opts.add_option( + '--not-required', + action='store_true', + dest='not_required', + help="List packages that are not dependencies of " + "installed packages.", + ) + + cmd_opts.add_option( + '--exclude-editable', + action='store_false', + dest='include_editable', + help='Exclude editable package from output.', + ) + cmd_opts.add_option( + '--include-editable', + action='store_true', + dest='include_editable', + help='Include editable package from output.', + default=True, + ) + index_opts = cmdoptions.make_option_group( + cmdoptions.index_group, self.parser + ) + + self.parser.insert_option_group(0, index_opts) + self.parser.insert_option_group(0, cmd_opts) + + def _build_package_finder(self, options, index_urls, session): + """ + Create a package finder appropriate to this list command. + """ + return PackageFinder( + find_links=options.find_links, + index_urls=index_urls, + allow_all_prereleases=options.pre, + trusted_hosts=options.trusted_hosts, + session=session, + ) + + def run(self, options, args): + if options.outdated and options.uptodate: + raise CommandError( + "Options --outdated and --uptodate cannot be combined.") + + packages = get_installed_distributions( + local_only=options.local, + user_only=options.user, + editables_only=options.editable, + include_editables=options.include_editable, + ) + + # get_not_required must be called firstly in order to find and + # filter out all dependencies correctly. Otherwise a package + # can't be identified as requirement because some parent packages + # could be filtered out before. + if options.not_required: + packages = self.get_not_required(packages, options) + + if options.outdated: + packages = self.get_outdated(packages, options) + elif options.uptodate: + packages = self.get_uptodate(packages, options) + + self.output_package_listing(packages, options) + + def get_outdated(self, packages, options): + return [ + dist for dist in self.iter_packages_latest_infos(packages, options) + if dist.latest_version > dist.parsed_version + ] + + def get_uptodate(self, packages, options): + return [ + dist for dist in self.iter_packages_latest_infos(packages, options) + if dist.latest_version == dist.parsed_version + ] + + def get_not_required(self, packages, options): + dep_keys = set() + for dist in packages: + dep_keys.update(requirement.key for requirement in dist.requires()) + return {pkg for pkg in packages if pkg.key not in dep_keys} + + def iter_packages_latest_infos(self, packages, options): + index_urls = [options.index_url] + options.extra_index_urls + if options.no_index: + logger.debug('Ignoring indexes: %s', ','.join(index_urls)) + index_urls = [] + + with self._build_session(options) as session: + finder = self._build_package_finder(options, index_urls, session) + + for dist in packages: + typ = 'unknown' + all_candidates = finder.find_all_candidates(dist.key) + if not options.pre: + # Remove prereleases + all_candidates = [candidate for candidate in all_candidates + if not candidate.version.is_prerelease] + + if not all_candidates: + continue + best_candidate = max(all_candidates, + key=finder._candidate_sort_key) + remote_version = best_candidate.version + if best_candidate.location.is_wheel: + typ = 'wheel' + else: + typ = 'sdist' + # This is dirty but makes the rest of the code much cleaner + dist.latest_version = remote_version + dist.latest_filetype = typ + yield dist + + def output_package_listing(self, packages, options): + packages = sorted( + packages, + key=lambda dist: dist.project_name.lower(), + ) + if options.list_format == 'columns' and packages: + data, header = format_for_columns(packages, options) + self.output_package_listing_columns(data, header) + elif options.list_format == 'freeze': + for dist in packages: + if options.verbose >= 1: + logger.info("%s==%s (%s)", dist.project_name, + dist.version, dist.location) + else: + logger.info("%s==%s", dist.project_name, dist.version) + elif options.list_format == 'json': + logger.info(format_for_json(packages, options)) + + def output_package_listing_columns(self, data, header): + # insert the header first: we need to know the size of column names + if len(data) > 0: + data.insert(0, header) + + pkg_strings, sizes = tabulate(data) + + # Create and add a separator. + if len(data) > 0: + pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes))) + + for val in pkg_strings: + logger.info(val) + + +def tabulate(vals): + # From pfmoore on GitHub: + # https://github.com/pypa/pip/issues/3651#issuecomment-216932564 + assert len(vals) > 0 + + sizes = [0] * max(len(x) for x in vals) + for row in vals: + sizes = [max(s, len(str(c))) for s, c in zip_longest(sizes, row)] + + result = [] + for row in vals: + display = " ".join([str(c).ljust(s) if c is not None else '' + for s, c in zip_longest(sizes, row)]) + result.append(display) + + return result, sizes + + +def format_for_columns(pkgs, options): + """ + Convert the package data into something usable + by output_package_listing_columns. + """ + running_outdated = options.outdated + # Adjust the header for the `pip list --outdated` case. + if running_outdated: + header = ["Package", "Version", "Latest", "Type"] + else: + header = ["Package", "Version"] + + data = [] + if options.verbose >= 1 or any(dist_is_editable(x) for x in pkgs): + header.append("Location") + if options.verbose >= 1: + header.append("Installer") + + for proj in pkgs: + # if we're working on the 'outdated' list, separate out the + # latest_version and type + row = [proj.project_name, proj.version] + + if running_outdated: + row.append(proj.latest_version) + row.append(proj.latest_filetype) + + if options.verbose >= 1 or dist_is_editable(proj): + row.append(proj.location) + if options.verbose >= 1: + row.append(get_installer(proj)) + + data.append(row) + + return data, header + + +def format_for_json(packages, options): + data = [] + for dist in packages: + info = { + 'name': dist.project_name, + 'version': six.text_type(dist.version), + } + if options.verbose >= 1: + info['location'] = dist.location + info['installer'] = get_installer(dist) + if options.outdated: + info['latest_version'] = six.text_type(dist.latest_version) + info['latest_filetype'] = dist.latest_filetype + data.append(info) + return json.dumps(data) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/search.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/search.py new file mode 100644 index 0000000..c157a31 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/search.py @@ -0,0 +1,135 @@ +from __future__ import absolute_import + +import logging +import sys +import textwrap +from collections import OrderedDict + +from pip._vendor import pkg_resources +from pip._vendor.packaging.version import parse as parse_version +# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is +# why we ignore the type on this import +from pip._vendor.six.moves import xmlrpc_client # type: ignore + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS +from pip._internal.download import PipXmlrpcTransport +from pip._internal.exceptions import CommandError +from pip._internal.models.index import PyPI +from pip._internal.utils.compat import get_terminal_size +from pip._internal.utils.logging import indent_log + +logger = logging.getLogger(__name__) + + +class SearchCommand(Command): + """Search for PyPI packages whose name or summary contains .""" + name = 'search' + usage = """ + %prog [options] """ + summary = 'Search PyPI for packages.' + ignore_require_venv = True + + def __init__(self, *args, **kw): + super(SearchCommand, self).__init__(*args, **kw) + self.cmd_opts.add_option( + '-i', '--index', + dest='index', + metavar='URL', + default=PyPI.pypi_url, + help='Base URL of Python Package Index (default %default)') + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + if not args: + raise CommandError('Missing required argument (search query).') + query = args + pypi_hits = self.search(query, options) + hits = transform_hits(pypi_hits) + + terminal_width = None + if sys.stdout.isatty(): + terminal_width = get_terminal_size()[0] + + print_results(hits, terminal_width=terminal_width) + if pypi_hits: + return SUCCESS + return NO_MATCHES_FOUND + + def search(self, query, options): + index_url = options.index + with self._build_session(options) as session: + transport = PipXmlrpcTransport(index_url, session) + pypi = xmlrpc_client.ServerProxy(index_url, transport) + hits = pypi.search({'name': query, 'summary': query}, 'or') + return hits + + +def transform_hits(hits): + """ + The list from pypi is really a list of versions. We want a list of + packages with the list of versions stored inline. This converts the + list from pypi into one we can use. + """ + packages = OrderedDict() + for hit in hits: + name = hit['name'] + summary = hit['summary'] + version = hit['version'] + + if name not in packages.keys(): + packages[name] = { + 'name': name, + 'summary': summary, + 'versions': [version], + } + else: + packages[name]['versions'].append(version) + + # if this is the highest version, replace summary and score + if version == highest_version(packages[name]['versions']): + packages[name]['summary'] = summary + + return list(packages.values()) + + +def print_results(hits, name_column_width=None, terminal_width=None): + if not hits: + return + if name_column_width is None: + name_column_width = max([ + len(hit['name']) + len(highest_version(hit.get('versions', ['-']))) + for hit in hits + ]) + 4 + + installed_packages = [p.project_name for p in pkg_resources.working_set] + for hit in hits: + name = hit['name'] + summary = hit['summary'] or '' + latest = highest_version(hit.get('versions', ['-'])) + if terminal_width is not None: + target_width = terminal_width - name_column_width - 5 + if target_width > 10: + # wrap and indent summary to fit terminal + summary = textwrap.wrap(summary, target_width) + summary = ('\n' + ' ' * (name_column_width + 3)).join(summary) + + line = '%-*s - %s' % (name_column_width, + '%s (%s)' % (name, latest), summary) + try: + logger.info(line) + if name in installed_packages: + dist = pkg_resources.get_distribution(name) + with indent_log(): + if dist.version == latest: + logger.info('INSTALLED: %s (latest)', dist.version) + else: + logger.info('INSTALLED: %s', dist.version) + logger.info('LATEST: %s', latest) + except UnicodeEncodeError: + pass + + +def highest_version(versions): + return max(versions, key=parse_version) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/show.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/show.py new file mode 100644 index 0000000..f92c9bc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/show.py @@ -0,0 +1,168 @@ +from __future__ import absolute_import + +import logging +import os +from email.parser import FeedParser # type: ignore + +from pip._vendor import pkg_resources +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import ERROR, SUCCESS + +logger = logging.getLogger(__name__) + + +class ShowCommand(Command): + """ + Show information about one or more installed packages. + + The output is in RFC-compliant mail header format. + """ + name = 'show' + usage = """ + %prog [options] ...""" + summary = 'Show information about installed packages.' + ignore_require_venv = True + + def __init__(self, *args, **kw): + super(ShowCommand, self).__init__(*args, **kw) + self.cmd_opts.add_option( + '-f', '--files', + dest='files', + action='store_true', + default=False, + help='Show the full list of installed files for each package.') + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + if not args: + logger.warning('ERROR: Please provide a package name or names.') + return ERROR + query = args + + results = search_packages_info(query) + if not print_results( + results, list_files=options.files, verbose=options.verbose): + return ERROR + return SUCCESS + + +def search_packages_info(query): + """ + Gather details from installed distributions. Print distribution name, + version, location, and installed files. Installed files requires a + pip generated 'installed-files.txt' in the distributions '.egg-info' + directory. + """ + installed = {} + for p in pkg_resources.working_set: + installed[canonicalize_name(p.project_name)] = p + + query_names = [canonicalize_name(name) for name in query] + + for dist in [installed[pkg] for pkg in query_names if pkg in installed]: + package = { + 'name': dist.project_name, + 'version': dist.version, + 'location': dist.location, + 'requires': [dep.project_name for dep in dist.requires()], + } + file_list = None + metadata = None + if isinstance(dist, pkg_resources.DistInfoDistribution): + # RECORDs should be part of .dist-info metadatas + if dist.has_metadata('RECORD'): + lines = dist.get_metadata_lines('RECORD') + paths = [l.split(',')[0] for l in lines] + paths = [os.path.join(dist.location, p) for p in paths] + file_list = [os.path.relpath(p, dist.location) for p in paths] + + if dist.has_metadata('METADATA'): + metadata = dist.get_metadata('METADATA') + else: + # Otherwise use pip's log for .egg-info's + if dist.has_metadata('installed-files.txt'): + paths = dist.get_metadata_lines('installed-files.txt') + paths = [os.path.join(dist.egg_info, p) for p in paths] + file_list = [os.path.relpath(p, dist.location) for p in paths] + + if dist.has_metadata('PKG-INFO'): + metadata = dist.get_metadata('PKG-INFO') + + if dist.has_metadata('entry_points.txt'): + entry_points = dist.get_metadata_lines('entry_points.txt') + package['entry_points'] = entry_points + + if dist.has_metadata('INSTALLER'): + for line in dist.get_metadata_lines('INSTALLER'): + if line.strip(): + package['installer'] = line.strip() + break + + # @todo: Should pkg_resources.Distribution have a + # `get_pkg_info` method? + feed_parser = FeedParser() + feed_parser.feed(metadata) + pkg_info_dict = feed_parser.close() + for key in ('metadata-version', 'summary', + 'home-page', 'author', 'author-email', 'license'): + package[key] = pkg_info_dict.get(key) + + # It looks like FeedParser cannot deal with repeated headers + classifiers = [] + for line in metadata.splitlines(): + if line.startswith('Classifier: '): + classifiers.append(line[len('Classifier: '):]) + package['classifiers'] = classifiers + + if file_list: + package['files'] = sorted(file_list) + yield package + + +def print_results(distributions, list_files=False, verbose=False): + """ + Print the informations from installed distributions found. + """ + results_printed = False + for i, dist in enumerate(distributions): + results_printed = True + if i > 0: + logger.info("---") + + name = dist.get('name', '') + required_by = [ + pkg.project_name for pkg in pkg_resources.working_set + if name in [required.name for required in pkg.requires()] + ] + + logger.info("Name: %s", name) + logger.info("Version: %s", dist.get('version', '')) + logger.info("Summary: %s", dist.get('summary', '')) + logger.info("Home-page: %s", dist.get('home-page', '')) + logger.info("Author: %s", dist.get('author', '')) + logger.info("Author-email: %s", dist.get('author-email', '')) + logger.info("License: %s", dist.get('license', '')) + logger.info("Location: %s", dist.get('location', '')) + logger.info("Requires: %s", ', '.join(dist.get('requires', []))) + logger.info("Required-by: %s", ', '.join(required_by)) + + if verbose: + logger.info("Metadata-Version: %s", + dist.get('metadata-version', '')) + logger.info("Installer: %s", dist.get('installer', '')) + logger.info("Classifiers:") + for classifier in dist.get('classifiers', []): + logger.info(" %s", classifier) + logger.info("Entry-points:") + for entry in dist.get('entry_points', []): + logger.info(" %s", entry.strip()) + if list_files: + logger.info("Files:") + for line in dist.get('files', []): + logger.info(" %s", line.strip()) + if "files" not in dist: + logger.info("Cannot locate installed-files.txt") + return results_printed diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/uninstall.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/uninstall.py new file mode 100644 index 0000000..0cd6f54 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/uninstall.py @@ -0,0 +1,78 @@ +from __future__ import absolute_import + +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.cli.base_command import Command +from pip._internal.exceptions import InstallationError +from pip._internal.req import parse_requirements +from pip._internal.req.constructors import install_req_from_line +from pip._internal.utils.misc import protect_pip_from_modification_on_windows + + +class UninstallCommand(Command): + """ + Uninstall packages. + + pip is able to uninstall most installed packages. Known exceptions are: + + - Pure distutils packages installed with ``python setup.py install``, which + leave behind no metadata to determine what files were installed. + - Script wrappers installed by ``python setup.py develop``. + """ + name = 'uninstall' + usage = """ + %prog [options] ... + %prog [options] -r ...""" + summary = 'Uninstall packages.' + + def __init__(self, *args, **kw): + super(UninstallCommand, self).__init__(*args, **kw) + self.cmd_opts.add_option( + '-r', '--requirement', + dest='requirements', + action='append', + default=[], + metavar='file', + help='Uninstall all the packages listed in the given requirements ' + 'file. This option can be used multiple times.', + ) + self.cmd_opts.add_option( + '-y', '--yes', + dest='yes', + action='store_true', + help="Don't ask for confirmation of uninstall deletions.") + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + with self._build_session(options) as session: + reqs_to_uninstall = {} + for name in args: + req = install_req_from_line( + name, isolated=options.isolated_mode, + ) + if req.name: + reqs_to_uninstall[canonicalize_name(req.name)] = req + for filename in options.requirements: + for req in parse_requirements( + filename, + options=options, + session=session): + if req.name: + reqs_to_uninstall[canonicalize_name(req.name)] = req + if not reqs_to_uninstall: + raise InstallationError( + 'You must give at least one requirement to %(name)s (see ' + '"pip help %(name)s")' % dict(name=self.name) + ) + + protect_pip_from_modification_on_windows( + modifying_pip="pip" in reqs_to_uninstall + ) + + for req in reqs_to_uninstall.values(): + uninstall_pathset = req.uninstall( + auto_confirm=options.yes, verbose=self.verbosity > 0, + ) + if uninstall_pathset: + uninstall_pathset.commit() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/wheel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/wheel.py new file mode 100644 index 0000000..cd72a3d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/wheel.py @@ -0,0 +1,186 @@ +# -*- coding: utf-8 -*- +from __future__ import absolute_import + +import logging +import os + +from pip._internal.cache import WheelCache +from pip._internal.cli import cmdoptions +from pip._internal.cli.base_command import RequirementCommand +from pip._internal.exceptions import CommandError, PreviousBuildDirError +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req import RequirementSet +from pip._internal.req.req_tracker import RequirementTracker +from pip._internal.resolve import Resolver +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.wheel import WheelBuilder + +logger = logging.getLogger(__name__) + + +class WheelCommand(RequirementCommand): + """ + Build Wheel archives for your requirements and dependencies. + + Wheel is a built-package format, and offers the advantage of not + recompiling your software during every install. For more details, see the + wheel docs: https://wheel.readthedocs.io/en/latest/ + + Requirements: setuptools>=0.8, and wheel. + + 'pip wheel' uses the bdist_wheel setuptools extension from the wheel + package to build individual wheels. + + """ + + name = 'wheel' + usage = """ + %prog [options] ... + %prog [options] -r ... + %prog [options] [-e] ... + %prog [options] [-e] ... + %prog [options] ...""" + + summary = 'Build wheels from your requirements.' + + def __init__(self, *args, **kw): + super(WheelCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option( + '-w', '--wheel-dir', + dest='wheel_dir', + metavar='dir', + default=os.curdir, + help=("Build wheels into , where the default is the " + "current working directory."), + ) + cmd_opts.add_option(cmdoptions.no_binary()) + cmd_opts.add_option(cmdoptions.only_binary()) + cmd_opts.add_option(cmdoptions.prefer_binary()) + cmd_opts.add_option( + '--build-option', + dest='build_options', + metavar='options', + action='append', + help="Extra arguments to be supplied to 'setup.py bdist_wheel'.", + ) + cmd_opts.add_option(cmdoptions.no_build_isolation()) + cmd_opts.add_option(cmdoptions.use_pep517()) + cmd_opts.add_option(cmdoptions.no_use_pep517()) + cmd_opts.add_option(cmdoptions.constraints()) + cmd_opts.add_option(cmdoptions.editable()) + cmd_opts.add_option(cmdoptions.requirements()) + cmd_opts.add_option(cmdoptions.src()) + cmd_opts.add_option(cmdoptions.ignore_requires_python()) + cmd_opts.add_option(cmdoptions.no_deps()) + cmd_opts.add_option(cmdoptions.build_dir()) + cmd_opts.add_option(cmdoptions.progress_bar()) + + cmd_opts.add_option( + '--global-option', + dest='global_options', + action='append', + metavar='options', + help="Extra global options to be supplied to the setup.py " + "call before the 'bdist_wheel' command.") + + cmd_opts.add_option( + '--pre', + action='store_true', + default=False, + help=("Include pre-release and development versions. By default, " + "pip only finds stable versions."), + ) + + cmd_opts.add_option(cmdoptions.no_clean()) + cmd_opts.add_option(cmdoptions.require_hashes()) + + index_opts = cmdoptions.make_option_group( + cmdoptions.index_group, + self.parser, + ) + + self.parser.insert_option_group(0, index_opts) + self.parser.insert_option_group(0, cmd_opts) + + def run(self, options, args): + cmdoptions.check_install_build_global(options) + + index_urls = [options.index_url] + options.extra_index_urls + if options.no_index: + logger.debug('Ignoring indexes: %s', ','.join(index_urls)) + index_urls = [] + + if options.build_dir: + options.build_dir = os.path.abspath(options.build_dir) + + options.src_dir = os.path.abspath(options.src_dir) + + with self._build_session(options) as session: + finder = self._build_package_finder(options, session) + build_delete = (not (options.no_clean or options.build_dir)) + wheel_cache = WheelCache(options.cache_dir, options.format_control) + + with RequirementTracker() as req_tracker, TempDirectory( + options.build_dir, delete=build_delete, kind="wheel" + ) as directory: + + requirement_set = RequirementSet( + require_hashes=options.require_hashes, + ) + + try: + self.populate_requirement_set( + requirement_set, args, options, finder, session, + self.name, wheel_cache + ) + + preparer = RequirementPreparer( + build_dir=directory.path, + src_dir=options.src_dir, + download_dir=None, + wheel_download_dir=options.wheel_dir, + progress_bar=options.progress_bar, + build_isolation=options.build_isolation, + req_tracker=req_tracker, + ) + + resolver = Resolver( + preparer=preparer, + finder=finder, + session=session, + wheel_cache=wheel_cache, + use_user_site=False, + upgrade_strategy="to-satisfy-only", + force_reinstall=False, + ignore_dependencies=options.ignore_dependencies, + ignore_requires_python=options.ignore_requires_python, + ignore_installed=True, + isolated=options.isolated_mode, + use_pep517=options.use_pep517 + ) + resolver.resolve(requirement_set) + + # build wheels + wb = WheelBuilder( + finder, preparer, wheel_cache, + build_options=options.build_options or [], + global_options=options.global_options or [], + no_clean=options.no_clean, + ) + build_failures = wb.build( + requirement_set.requirements.values(), session=session, + ) + if len(build_failures) != 0: + raise CommandError( + "Failed to build one or more wheels" + ) + except PreviousBuildDirError: + options.no_clean = True + raise + finally: + if not options.no_clean: + requirement_set.cleanup_files() + wheel_cache.cleanup() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/configuration.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/configuration.py new file mode 100644 index 0000000..fe6df9b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/configuration.py @@ -0,0 +1,387 @@ +"""Configuration management setup + +Some terminology: +- name + As written in config files. +- value + Value associated with a name +- key + Name combined with it's section (section.name) +- variant + A single word describing where the configuration key-value pair came from +""" + +import locale +import logging +import os + +from pip._vendor import six +from pip._vendor.six.moves import configparser + +from pip._internal.exceptions import ( + ConfigurationError, ConfigurationFileCouldNotBeLoaded, +) +from pip._internal.locations import ( + legacy_config_file, new_config_file, running_under_virtualenv, + site_config_files, venv_config_file, +) +from pip._internal.utils.misc import ensure_dir, enum +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Any, Dict, Iterable, List, NewType, Optional, Tuple + ) + + RawConfigParser = configparser.RawConfigParser # Shorthand + Kind = NewType("Kind", str) + +logger = logging.getLogger(__name__) + + +# NOTE: Maybe use the optionx attribute to normalize keynames. +def _normalize_name(name): + # type: (str) -> str + """Make a name consistent regardless of source (environment or file) + """ + name = name.lower().replace('_', '-') + if name.startswith('--'): + name = name[2:] # only prefer long opts + return name + + +def _disassemble_key(name): + # type: (str) -> List[str] + return name.split(".", 1) + + +# The kinds of configurations there are. +kinds = enum( + USER="user", # User Specific + GLOBAL="global", # System Wide + VENV="venv", # Virtual Environment Specific + ENV="env", # from PIP_CONFIG_FILE + ENV_VAR="env-var", # from Environment Variables +) + + +class Configuration(object): + """Handles management of configuration. + + Provides an interface to accessing and managing configuration files. + + This class converts provides an API that takes "section.key-name" style + keys and stores the value associated with it as "key-name" under the + section "section". + + This allows for a clean interface wherein the both the section and the + key-name are preserved in an easy to manage form in the configuration files + and the data stored is also nice. + """ + + def __init__(self, isolated, load_only=None): + # type: (bool, Kind) -> None + super(Configuration, self).__init__() + + _valid_load_only = [kinds.USER, kinds.GLOBAL, kinds.VENV, None] + if load_only not in _valid_load_only: + raise ConfigurationError( + "Got invalid value for load_only - should be one of {}".format( + ", ".join(map(repr, _valid_load_only[:-1])) + ) + ) + self.isolated = isolated # type: bool + self.load_only = load_only # type: Optional[Kind] + + # The order here determines the override order. + self._override_order = [ + kinds.GLOBAL, kinds.USER, kinds.VENV, kinds.ENV, kinds.ENV_VAR + ] + + self._ignore_env_names = ["version", "help"] + + # Because we keep track of where we got the data from + self._parsers = { + variant: [] for variant in self._override_order + } # type: Dict[Kind, List[Tuple[str, RawConfigParser]]] + self._config = { + variant: {} for variant in self._override_order + } # type: Dict[Kind, Dict[str, Any]] + self._modified_parsers = [] # type: List[Tuple[str, RawConfigParser]] + + def load(self): + # type: () -> None + """Loads configuration from configuration files and environment + """ + self._load_config_files() + if not self.isolated: + self._load_environment_vars() + + def get_file_to_edit(self): + # type: () -> Optional[str] + """Returns the file with highest priority in configuration + """ + assert self.load_only is not None, \ + "Need to be specified a file to be editing" + + try: + return self._get_parser_to_modify()[0] + except IndexError: + return None + + def items(self): + # type: () -> Iterable[Tuple[str, Any]] + """Returns key-value pairs like dict.items() representing the loaded + configuration + """ + return self._dictionary.items() + + def get_value(self, key): + # type: (str) -> Any + """Get a value from the configuration. + """ + try: + return self._dictionary[key] + except KeyError: + raise ConfigurationError("No such key - {}".format(key)) + + def set_value(self, key, value): + # type: (str, Any) -> None + """Modify a value in the configuration. + """ + self._ensure_have_load_only() + + fname, parser = self._get_parser_to_modify() + + if parser is not None: + section, name = _disassemble_key(key) + + # Modify the parser and the configuration + if not parser.has_section(section): + parser.add_section(section) + parser.set(section, name, value) + + self._config[self.load_only][key] = value + self._mark_as_modified(fname, parser) + + def unset_value(self, key): + # type: (str) -> None + """Unset a value in the configuration. + """ + self._ensure_have_load_only() + + if key not in self._config[self.load_only]: + raise ConfigurationError("No such key - {}".format(key)) + + fname, parser = self._get_parser_to_modify() + + if parser is not None: + section, name = _disassemble_key(key) + + # Remove the key in the parser + modified_something = False + if parser.has_section(section): + # Returns whether the option was removed or not + modified_something = parser.remove_option(section, name) + + if modified_something: + # name removed from parser, section may now be empty + section_iter = iter(parser.items(section)) + try: + val = six.next(section_iter) + except StopIteration: + val = None + + if val is None: + parser.remove_section(section) + + self._mark_as_modified(fname, parser) + else: + raise ConfigurationError( + "Fatal Internal error [id=1]. Please report as a bug." + ) + + del self._config[self.load_only][key] + + def save(self): + # type: () -> None + """Save the currentin-memory state. + """ + self._ensure_have_load_only() + + for fname, parser in self._modified_parsers: + logger.info("Writing to %s", fname) + + # Ensure directory exists. + ensure_dir(os.path.dirname(fname)) + + with open(fname, "w") as f: + parser.write(f) # type: ignore + + # + # Private routines + # + + def _ensure_have_load_only(self): + # type: () -> None + if self.load_only is None: + raise ConfigurationError("Needed a specific file to be modifying.") + logger.debug("Will be working with %s variant only", self.load_only) + + @property + def _dictionary(self): + # type: () -> Dict[str, Any] + """A dictionary representing the loaded configuration. + """ + # NOTE: Dictionaries are not populated if not loaded. So, conditionals + # are not needed here. + retval = {} + + for variant in self._override_order: + retval.update(self._config[variant]) + + return retval + + def _load_config_files(self): + # type: () -> None + """Loads configuration from configuration files + """ + config_files = dict(self._iter_config_files()) + if config_files[kinds.ENV][0:1] == [os.devnull]: + logger.debug( + "Skipping loading configuration files due to " + "environment's PIP_CONFIG_FILE being os.devnull" + ) + return + + for variant, files in config_files.items(): + for fname in files: + # If there's specific variant set in `load_only`, load only + # that variant, not the others. + if self.load_only is not None and variant != self.load_only: + logger.debug( + "Skipping file '%s' (variant: %s)", fname, variant + ) + continue + + parser = self._load_file(variant, fname) + + # Keeping track of the parsers used + self._parsers[variant].append((fname, parser)) + + def _load_file(self, variant, fname): + # type: (Kind, str) -> RawConfigParser + logger.debug("For variant '%s', will try loading '%s'", variant, fname) + parser = self._construct_parser(fname) + + for section in parser.sections(): + items = parser.items(section) + self._config[variant].update(self._normalized_keys(section, items)) + + return parser + + def _construct_parser(self, fname): + # type: (str) -> RawConfigParser + parser = configparser.RawConfigParser() + # If there is no such file, don't bother reading it but create the + # parser anyway, to hold the data. + # Doing this is useful when modifying and saving files, where we don't + # need to construct a parser. + if os.path.exists(fname): + try: + parser.read(fname) + except UnicodeDecodeError: + # See https://github.com/pypa/pip/issues/4963 + raise ConfigurationFileCouldNotBeLoaded( + reason="contains invalid {} characters".format( + locale.getpreferredencoding(False) + ), + fname=fname, + ) + except configparser.Error as error: + # See https://github.com/pypa/pip/issues/4893 + raise ConfigurationFileCouldNotBeLoaded(error=error) + return parser + + def _load_environment_vars(self): + # type: () -> None + """Loads configuration from environment variables + """ + self._config[kinds.ENV_VAR].update( + self._normalized_keys(":env:", self._get_environ_vars()) + ) + + def _normalized_keys(self, section, items): + # type: (str, Iterable[Tuple[str, Any]]) -> Dict[str, Any] + """Normalizes items to construct a dictionary with normalized keys. + + This routine is where the names become keys and are made the same + regardless of source - configuration files or environment. + """ + normalized = {} + for name, val in items: + key = section + "." + _normalize_name(name) + normalized[key] = val + return normalized + + def _get_environ_vars(self): + # type: () -> Iterable[Tuple[str, str]] + """Returns a generator with all environmental vars with prefix PIP_""" + for key, val in os.environ.items(): + should_be_yielded = ( + key.startswith("PIP_") and + key[4:].lower() not in self._ignore_env_names + ) + if should_be_yielded: + yield key[4:].lower(), val + + # XXX: This is patched in the tests. + def _iter_config_files(self): + # type: () -> Iterable[Tuple[Kind, List[str]]] + """Yields variant and configuration files associated with it. + + This should be treated like items of a dictionary. + """ + # SMELL: Move the conditions out of this function + + # environment variables have the lowest priority + config_file = os.environ.get('PIP_CONFIG_FILE', None) + if config_file is not None: + yield kinds.ENV, [config_file] + else: + yield kinds.ENV, [] + + # at the base we have any global configuration + yield kinds.GLOBAL, list(site_config_files) + + # per-user configuration next + should_load_user_config = not self.isolated and not ( + config_file and os.path.exists(config_file) + ) + if should_load_user_config: + # The legacy config file is overridden by the new config file + yield kinds.USER, [legacy_config_file, new_config_file] + + # finally virtualenv configuration first trumping others + if running_under_virtualenv(): + yield kinds.VENV, [venv_config_file] + + def _get_parser_to_modify(self): + # type: () -> Tuple[str, RawConfigParser] + # Determine which parser to modify + parsers = self._parsers[self.load_only] + if not parsers: + # This should not happen if everything works correctly. + raise ConfigurationError( + "Fatal Internal error [id=2]. Please report as a bug." + ) + + # Use the highest priority parser. + return parsers[-1] + + # XXX: This is patched in the tests. + def _mark_as_modified(self, fname, parser): + # type: (str, RawConfigParser) -> None + file_parser_tuple = (fname, parser) + if file_parser_tuple not in self._modified_parsers: + self._modified_parsers.append(file_parser_tuple) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/download.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/download.py new file mode 100644 index 0000000..2bbe176 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/download.py @@ -0,0 +1,971 @@ +from __future__ import absolute_import + +import cgi +import email.utils +import getpass +import json +import logging +import mimetypes +import os +import platform +import re +import shutil +import sys + +from pip._vendor import requests, six, urllib3 +from pip._vendor.cachecontrol import CacheControlAdapter +from pip._vendor.cachecontrol.caches import FileCache +from pip._vendor.lockfile import LockError +from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter +from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth +from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response +from pip._vendor.requests.structures import CaseInsensitiveDict +from pip._vendor.requests.utils import get_netrc_auth +# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is +# why we ignore the type on this import +from pip._vendor.six.moves import xmlrpc_client # type: ignore +from pip._vendor.six.moves.urllib import parse as urllib_parse +from pip._vendor.six.moves.urllib import request as urllib_request +from pip._vendor.urllib3.util import IS_PYOPENSSL + +import pip +from pip._internal.exceptions import HashMismatch, InstallationError +from pip._internal.locations import write_delete_marker_file +from pip._internal.models.index import PyPI +from pip._internal.utils.encoding import auto_decode +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.glibc import libc_ver +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + ARCHIVE_EXTENSIONS, ask_path_exists, backup_dir, call_subprocess, consume, + display_path, format_size, get_installed_version, rmtree, + split_auth_from_netloc, splitext, unpack_file, +) +from pip._internal.utils.setuptools_build import SETUPTOOLS_SHIM +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.utils.ui import DownloadProgressProvider +from pip._internal.vcs import vcs + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Optional, Tuple, Dict, IO, Text, Union + ) + from pip._internal.models.link import Link # noqa: F401 + from pip._internal.utils.hashes import Hashes # noqa: F401 + from pip._internal.vcs import AuthInfo # noqa: F401 + +try: + import ssl # noqa +except ImportError: + ssl = None + +HAS_TLS = (ssl is not None) or IS_PYOPENSSL + +__all__ = ['get_file_content', + 'is_url', 'url_to_path', 'path_to_url', + 'is_archive_file', 'unpack_vcs_link', + 'unpack_file_url', 'is_vcs_url', 'is_file_url', + 'unpack_http_url', 'unpack_url'] + + +logger = logging.getLogger(__name__) + + +def user_agent(): + """ + Return a string representing the user agent. + """ + data = { + "installer": {"name": "pip", "version": pip.__version__}, + "python": platform.python_version(), + "implementation": { + "name": platform.python_implementation(), + }, + } + + if data["implementation"]["name"] == 'CPython': + data["implementation"]["version"] = platform.python_version() + elif data["implementation"]["name"] == 'PyPy': + if sys.pypy_version_info.releaselevel == 'final': + pypy_version_info = sys.pypy_version_info[:3] + else: + pypy_version_info = sys.pypy_version_info + data["implementation"]["version"] = ".".join( + [str(x) for x in pypy_version_info] + ) + elif data["implementation"]["name"] == 'Jython': + # Complete Guess + data["implementation"]["version"] = platform.python_version() + elif data["implementation"]["name"] == 'IronPython': + # Complete Guess + data["implementation"]["version"] = platform.python_version() + + if sys.platform.startswith("linux"): + from pip._vendor import distro + distro_infos = dict(filter( + lambda x: x[1], + zip(["name", "version", "id"], distro.linux_distribution()), + )) + libc = dict(filter( + lambda x: x[1], + zip(["lib", "version"], libc_ver()), + )) + if libc: + distro_infos["libc"] = libc + if distro_infos: + data["distro"] = distro_infos + + if sys.platform.startswith("darwin") and platform.mac_ver()[0]: + data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]} + + if platform.system(): + data.setdefault("system", {})["name"] = platform.system() + + if platform.release(): + data.setdefault("system", {})["release"] = platform.release() + + if platform.machine(): + data["cpu"] = platform.machine() + + if HAS_TLS: + data["openssl_version"] = ssl.OPENSSL_VERSION + + setuptools_version = get_installed_version("setuptools") + if setuptools_version is not None: + data["setuptools_version"] = setuptools_version + + return "{data[installer][name]}/{data[installer][version]} {json}".format( + data=data, + json=json.dumps(data, separators=(",", ":"), sort_keys=True), + ) + + +class MultiDomainBasicAuth(AuthBase): + + def __init__(self, prompting=True): + # type: (bool) -> None + self.prompting = prompting + self.passwords = {} # type: Dict[str, AuthInfo] + + def __call__(self, req): + parsed = urllib_parse.urlparse(req.url) + + # Split the credentials from the netloc. + netloc, url_user_password = split_auth_from_netloc(parsed.netloc) + + # Set the url of the request to the url without any credentials + req.url = urllib_parse.urlunparse(parsed[:1] + (netloc,) + parsed[2:]) + + # Use any stored credentials that we have for this netloc + username, password = self.passwords.get(netloc, (None, None)) + + # Use the credentials embedded in the url if we have none stored + if username is None: + username, password = url_user_password + + # Get creds from netrc if we still don't have them + if username is None and password is None: + netrc_auth = get_netrc_auth(req.url) + username, password = netrc_auth if netrc_auth else (None, None) + + if username or password: + # Store the username and password + self.passwords[netloc] = (username, password) + + # Send the basic auth with this request + req = HTTPBasicAuth(username or "", password or "")(req) + + # Attach a hook to handle 401 responses + req.register_hook("response", self.handle_401) + + return req + + def handle_401(self, resp, **kwargs): + # We only care about 401 responses, anything else we want to just + # pass through the actual response + if resp.status_code != 401: + return resp + + # We are not able to prompt the user so simply return the response + if not self.prompting: + return resp + + parsed = urllib_parse.urlparse(resp.url) + + # Prompt the user for a new username and password + username = six.moves.input("User for %s: " % parsed.netloc) + password = getpass.getpass("Password: ") + + # Store the new username and password to use for future requests + if username or password: + self.passwords[parsed.netloc] = (username, password) + + # Consume content and release the original connection to allow our new + # request to reuse the same one. + resp.content + resp.raw.release_conn() + + # Add our new username and password to the request + req = HTTPBasicAuth(username or "", password or "")(resp.request) + req.register_hook("response", self.warn_on_401) + + # Send our new request + new_resp = resp.connection.send(req, **kwargs) + new_resp.history.append(resp) + + return new_resp + + def warn_on_401(self, resp, **kwargs): + # warn user that they provided incorrect credentials + if resp.status_code == 401: + logger.warning('401 Error, Credentials not correct for %s', + resp.request.url) + + +class LocalFSAdapter(BaseAdapter): + + def send(self, request, stream=None, timeout=None, verify=None, cert=None, + proxies=None): + pathname = url_to_path(request.url) + + resp = Response() + resp.status_code = 200 + resp.url = request.url + + try: + stats = os.stat(pathname) + except OSError as exc: + resp.status_code = 404 + resp.raw = exc + else: + modified = email.utils.formatdate(stats.st_mtime, usegmt=True) + content_type = mimetypes.guess_type(pathname)[0] or "text/plain" + resp.headers = CaseInsensitiveDict({ + "Content-Type": content_type, + "Content-Length": stats.st_size, + "Last-Modified": modified, + }) + + resp.raw = open(pathname, "rb") + resp.close = resp.raw.close + + return resp + + def close(self): + pass + + +class SafeFileCache(FileCache): + """ + A file based cache which is safe to use even when the target directory may + not be accessible or writable. + """ + + def __init__(self, *args, **kwargs): + super(SafeFileCache, self).__init__(*args, **kwargs) + + # Check to ensure that the directory containing our cache directory + # is owned by the user current executing pip. If it does not exist + # we will check the parent directory until we find one that does exist. + # If it is not owned by the user executing pip then we will disable + # the cache and log a warning. + if not check_path_owner(self.directory): + logger.warning( + "The directory '%s' or its parent directory is not owned by " + "the current user and the cache has been disabled. Please " + "check the permissions and owner of that directory. If " + "executing pip with sudo, you may want sudo's -H flag.", + self.directory, + ) + + # Set our directory to None to disable the Cache + self.directory = None + + def get(self, *args, **kwargs): + # If we don't have a directory, then the cache should be a no-op. + if self.directory is None: + return + + try: + return super(SafeFileCache, self).get(*args, **kwargs) + except (LockError, OSError, IOError): + # We intentionally silence this error, if we can't access the cache + # then we can just skip caching and process the request as if + # caching wasn't enabled. + pass + + def set(self, *args, **kwargs): + # If we don't have a directory, then the cache should be a no-op. + if self.directory is None: + return + + try: + return super(SafeFileCache, self).set(*args, **kwargs) + except (LockError, OSError, IOError): + # We intentionally silence this error, if we can't access the cache + # then we can just skip caching and process the request as if + # caching wasn't enabled. + pass + + def delete(self, *args, **kwargs): + # If we don't have a directory, then the cache should be a no-op. + if self.directory is None: + return + + try: + return super(SafeFileCache, self).delete(*args, **kwargs) + except (LockError, OSError, IOError): + # We intentionally silence this error, if we can't access the cache + # then we can just skip caching and process the request as if + # caching wasn't enabled. + pass + + +class InsecureHTTPAdapter(HTTPAdapter): + + def cert_verify(self, conn, url, verify, cert): + conn.cert_reqs = 'CERT_NONE' + conn.ca_certs = None + + +class PipSession(requests.Session): + + timeout = None # type: Optional[int] + + def __init__(self, *args, **kwargs): + retries = kwargs.pop("retries", 0) + cache = kwargs.pop("cache", None) + insecure_hosts = kwargs.pop("insecure_hosts", []) + + super(PipSession, self).__init__(*args, **kwargs) + + # Attach our User Agent to the request + self.headers["User-Agent"] = user_agent() + + # Attach our Authentication handler to the session + self.auth = MultiDomainBasicAuth() + + # Create our urllib3.Retry instance which will allow us to customize + # how we handle retries. + retries = urllib3.Retry( + # Set the total number of retries that a particular request can + # have. + total=retries, + + # A 503 error from PyPI typically means that the Fastly -> Origin + # connection got interrupted in some way. A 503 error in general + # is typically considered a transient error so we'll go ahead and + # retry it. + # A 500 may indicate transient error in Amazon S3 + # A 520 or 527 - may indicate transient error in CloudFlare + status_forcelist=[500, 503, 520, 527], + + # Add a small amount of back off between failed requests in + # order to prevent hammering the service. + backoff_factor=0.25, + ) + + # We want to _only_ cache responses on securely fetched origins. We do + # this because we can't validate the response of an insecurely fetched + # origin, and we don't want someone to be able to poison the cache and + # require manual eviction from the cache to fix it. + if cache: + secure_adapter = CacheControlAdapter( + cache=SafeFileCache(cache, use_dir_lock=True), + max_retries=retries, + ) + else: + secure_adapter = HTTPAdapter(max_retries=retries) + + # Our Insecure HTTPAdapter disables HTTPS validation. It does not + # support caching (see above) so we'll use it for all http:// URLs as + # well as any https:// host that we've marked as ignoring TLS errors + # for. + insecure_adapter = InsecureHTTPAdapter(max_retries=retries) + + self.mount("https://", secure_adapter) + self.mount("http://", insecure_adapter) + + # Enable file:// urls + self.mount("file://", LocalFSAdapter()) + + # We want to use a non-validating adapter for any requests which are + # deemed insecure. + for host in insecure_hosts: + self.mount("https://{}/".format(host), insecure_adapter) + + def request(self, method, url, *args, **kwargs): + # Allow setting a default timeout on a session + kwargs.setdefault("timeout", self.timeout) + + # Dispatch the actual request + return super(PipSession, self).request(method, url, *args, **kwargs) + + +def get_file_content(url, comes_from=None, session=None): + # type: (str, Optional[str], Optional[PipSession]) -> Tuple[str, Text] + """Gets the content of a file; it may be a filename, file: URL, or + http: URL. Returns (location, content). Content is unicode. + + :param url: File path or url. + :param comes_from: Origin description of requirements. + :param session: Instance of pip.download.PipSession. + """ + if session is None: + raise TypeError( + "get_file_content() missing 1 required keyword argument: 'session'" + ) + + match = _scheme_re.search(url) + if match: + scheme = match.group(1).lower() + if (scheme == 'file' and comes_from and + comes_from.startswith('http')): + raise InstallationError( + 'Requirements file %s references URL %s, which is local' + % (comes_from, url)) + if scheme == 'file': + path = url.split(':', 1)[1] + path = path.replace('\\', '/') + match = _url_slash_drive_re.match(path) + if match: + path = match.group(1) + ':' + path.split('|', 1)[1] + path = urllib_parse.unquote(path) + if path.startswith('/'): + path = '/' + path.lstrip('/') + url = path + else: + # FIXME: catch some errors + resp = session.get(url) + resp.raise_for_status() + return resp.url, resp.text + try: + with open(url, 'rb') as f: + content = auto_decode(f.read()) + except IOError as exc: + raise InstallationError( + 'Could not open requirements file: %s' % str(exc) + ) + return url, content + + +_scheme_re = re.compile(r'^(http|https|file):', re.I) +_url_slash_drive_re = re.compile(r'/*([a-z])\|', re.I) + + +def is_url(name): + # type: (Union[str, Text]) -> bool + """Returns true if the name looks like a URL""" + if ':' not in name: + return False + scheme = name.split(':', 1)[0].lower() + return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes + + +def url_to_path(url): + # type: (str) -> str + """ + Convert a file: URL to a path. + """ + assert url.startswith('file:'), ( + "You can only turn file: urls into filenames (not %r)" % url) + + _, netloc, path, _, _ = urllib_parse.urlsplit(url) + + # if we have a UNC path, prepend UNC share notation + if netloc: + netloc = '\\\\' + netloc + + path = urllib_request.url2pathname(netloc + path) + return path + + +def path_to_url(path): + # type: (Union[str, Text]) -> str + """ + Convert a path to a file: URL. The path will be made absolute and have + quoted path parts. + """ + path = os.path.normpath(os.path.abspath(path)) + url = urllib_parse.urljoin('file:', urllib_request.pathname2url(path)) + return url + + +def is_archive_file(name): + # type: (str) -> bool + """Return True if `name` is a considered as an archive file.""" + ext = splitext(name)[1].lower() + if ext in ARCHIVE_EXTENSIONS: + return True + return False + + +def unpack_vcs_link(link, location): + vcs_backend = _get_used_vcs_backend(link) + vcs_backend.unpack(location) + + +def _get_used_vcs_backend(link): + for backend in vcs.backends: + if link.scheme in backend.schemes: + vcs_backend = backend(link.url) + return vcs_backend + + +def is_vcs_url(link): + # type: (Link) -> bool + return bool(_get_used_vcs_backend(link)) + + +def is_file_url(link): + # type: (Link) -> bool + return link.url.lower().startswith('file:') + + +def is_dir_url(link): + # type: (Link) -> bool + """Return whether a file:// Link points to a directory. + + ``link`` must not have any other scheme but file://. Call is_file_url() + first. + + """ + link_path = url_to_path(link.url_without_fragment) + return os.path.isdir(link_path) + + +def _progress_indicator(iterable, *args, **kwargs): + return iterable + + +def _download_url( + resp, # type: Response + link, # type: Link + content_file, # type: IO + hashes, # type: Hashes + progress_bar # type: str +): + # type: (...) -> None + try: + total_length = int(resp.headers['content-length']) + except (ValueError, KeyError, TypeError): + total_length = 0 + + cached_resp = getattr(resp, "from_cache", False) + if logger.getEffectiveLevel() > logging.INFO: + show_progress = False + elif cached_resp: + show_progress = False + elif total_length > (40 * 1000): + show_progress = True + elif not total_length: + show_progress = True + else: + show_progress = False + + show_url = link.show_url + + def resp_read(chunk_size): + try: + # Special case for urllib3. + for chunk in resp.raw.stream( + chunk_size, + # We use decode_content=False here because we don't + # want urllib3 to mess with the raw bytes we get + # from the server. If we decompress inside of + # urllib3 then we cannot verify the checksum + # because the checksum will be of the compressed + # file. This breakage will only occur if the + # server adds a Content-Encoding header, which + # depends on how the server was configured: + # - Some servers will notice that the file isn't a + # compressible file and will leave the file alone + # and with an empty Content-Encoding + # - Some servers will notice that the file is + # already compressed and will leave the file + # alone and will add a Content-Encoding: gzip + # header + # - Some servers won't notice anything at all and + # will take a file that's already been compressed + # and compress it again and set the + # Content-Encoding: gzip header + # + # By setting this not to decode automatically we + # hope to eliminate problems with the second case. + decode_content=False): + yield chunk + except AttributeError: + # Standard file-like object. + while True: + chunk = resp.raw.read(chunk_size) + if not chunk: + break + yield chunk + + def written_chunks(chunks): + for chunk in chunks: + content_file.write(chunk) + yield chunk + + progress_indicator = _progress_indicator + + if link.netloc == PyPI.netloc: + url = show_url + else: + url = link.url_without_fragment + + if show_progress: # We don't show progress on cached responses + progress_indicator = DownloadProgressProvider(progress_bar, + max=total_length) + if total_length: + logger.info("Downloading %s (%s)", url, format_size(total_length)) + else: + logger.info("Downloading %s", url) + elif cached_resp: + logger.info("Using cached %s", url) + else: + logger.info("Downloading %s", url) + + logger.debug('Downloading from URL %s', link) + + downloaded_chunks = written_chunks( + progress_indicator( + resp_read(CONTENT_CHUNK_SIZE), + CONTENT_CHUNK_SIZE + ) + ) + if hashes: + hashes.check_against_chunks(downloaded_chunks) + else: + consume(downloaded_chunks) + + +def _copy_file(filename, location, link): + copy = True + download_location = os.path.join(location, link.filename) + if os.path.exists(download_location): + response = ask_path_exists( + 'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' % + display_path(download_location), ('i', 'w', 'b', 'a')) + if response == 'i': + copy = False + elif response == 'w': + logger.warning('Deleting %s', display_path(download_location)) + os.remove(download_location) + elif response == 'b': + dest_file = backup_dir(download_location) + logger.warning( + 'Backing up %s to %s', + display_path(download_location), + display_path(dest_file), + ) + shutil.move(download_location, dest_file) + elif response == 'a': + sys.exit(-1) + if copy: + shutil.copy(filename, download_location) + logger.info('Saved %s', display_path(download_location)) + + +def unpack_http_url( + link, # type: Link + location, # type: str + download_dir=None, # type: Optional[str] + session=None, # type: Optional[PipSession] + hashes=None, # type: Optional[Hashes] + progress_bar="on" # type: str +): + # type: (...) -> None + if session is None: + raise TypeError( + "unpack_http_url() missing 1 required keyword argument: 'session'" + ) + + with TempDirectory(kind="unpack") as temp_dir: + # If a download dir is specified, is the file already downloaded there? + already_downloaded_path = None + if download_dir: + already_downloaded_path = _check_download_dir(link, + download_dir, + hashes) + + if already_downloaded_path: + from_path = already_downloaded_path + content_type = mimetypes.guess_type(from_path)[0] + else: + # let's download to a tmp dir + from_path, content_type = _download_http_url(link, + session, + temp_dir.path, + hashes, + progress_bar) + + # unpack the archive to the build dir location. even when only + # downloading archives, they have to be unpacked to parse dependencies + unpack_file(from_path, location, content_type, link) + + # a download dir is specified; let's copy the archive there + if download_dir and not already_downloaded_path: + _copy_file(from_path, download_dir, link) + + if not already_downloaded_path: + os.unlink(from_path) + + +def unpack_file_url( + link, # type: Link + location, # type: str + download_dir=None, # type: Optional[str] + hashes=None # type: Optional[Hashes] +): + # type: (...) -> None + """Unpack link into location. + + If download_dir is provided and link points to a file, make a copy + of the link file inside download_dir. + """ + link_path = url_to_path(link.url_without_fragment) + + # If it's a url to a local directory + if is_dir_url(link): + if os.path.isdir(location): + rmtree(location) + shutil.copytree(link_path, location, symlinks=True) + if download_dir: + logger.info('Link is a directory, ignoring download_dir') + return + + # If --require-hashes is off, `hashes` is either empty, the + # link's embedded hash, or MissingHashes; it is required to + # match. If --require-hashes is on, we are satisfied by any + # hash in `hashes` matching: a URL-based or an option-based + # one; no internet-sourced hash will be in `hashes`. + if hashes: + hashes.check_against_path(link_path) + + # If a download dir is specified, is the file already there and valid? + already_downloaded_path = None + if download_dir: + already_downloaded_path = _check_download_dir(link, + download_dir, + hashes) + + if already_downloaded_path: + from_path = already_downloaded_path + else: + from_path = link_path + + content_type = mimetypes.guess_type(from_path)[0] + + # unpack the archive to the build dir location. even when only downloading + # archives, they have to be unpacked to parse dependencies + unpack_file(from_path, location, content_type, link) + + # a download dir is specified and not already downloaded + if download_dir and not already_downloaded_path: + _copy_file(from_path, download_dir, link) + + +def _copy_dist_from_dir(link_path, location): + """Copy distribution files in `link_path` to `location`. + + Invoked when user requests to install a local directory. E.g.: + + pip install . + pip install ~/dev/git-repos/python-prompt-toolkit + + """ + + # Note: This is currently VERY SLOW if you have a lot of data in the + # directory, because it copies everything with `shutil.copytree`. + # What it should really do is build an sdist and install that. + # See https://github.com/pypa/pip/issues/2195 + + if os.path.isdir(location): + rmtree(location) + + # build an sdist + setup_py = 'setup.py' + sdist_args = [sys.executable] + sdist_args.append('-c') + sdist_args.append(SETUPTOOLS_SHIM % setup_py) + sdist_args.append('sdist') + sdist_args += ['--dist-dir', location] + logger.info('Running setup.py sdist for %s', link_path) + + with indent_log(): + call_subprocess(sdist_args, cwd=link_path, show_stdout=False) + + # unpack sdist into `location` + sdist = os.path.join(location, os.listdir(location)[0]) + logger.info('Unpacking sdist %s into %s', sdist, location) + unpack_file(sdist, location, content_type=None, link=None) + + +class PipXmlrpcTransport(xmlrpc_client.Transport): + """Provide a `xmlrpclib.Transport` implementation via a `PipSession` + object. + """ + + def __init__(self, index_url, session, use_datetime=False): + xmlrpc_client.Transport.__init__(self, use_datetime) + index_parts = urllib_parse.urlparse(index_url) + self._scheme = index_parts.scheme + self._session = session + + def request(self, host, handler, request_body, verbose=False): + parts = (self._scheme, host, handler, None, None, None) + url = urllib_parse.urlunparse(parts) + try: + headers = {'Content-Type': 'text/xml'} + response = self._session.post(url, data=request_body, + headers=headers, stream=True) + response.raise_for_status() + self.verbose = verbose + return self.parse_response(response.raw) + except requests.HTTPError as exc: + logger.critical( + "HTTP error %s while getting %s", + exc.response.status_code, url, + ) + raise + + +def unpack_url( + link, # type: Optional[Link] + location, # type: Optional[str] + download_dir=None, # type: Optional[str] + only_download=False, # type: bool + session=None, # type: Optional[PipSession] + hashes=None, # type: Optional[Hashes] + progress_bar="on" # type: str +): + # type: (...) -> None + """Unpack link. + If link is a VCS link: + if only_download, export into download_dir and ignore location + else unpack into location + for other types of link: + - unpack into location + - if download_dir, copy the file into download_dir + - if only_download, mark location for deletion + + :param hashes: A Hashes object, one of whose embedded hashes must match, + or HashMismatch will be raised. If the Hashes is empty, no matches are + required, and unhashable types of requirements (like VCS ones, which + would ordinarily raise HashUnsupported) are allowed. + """ + # non-editable vcs urls + if is_vcs_url(link): + unpack_vcs_link(link, location) + + # file urls + elif is_file_url(link): + unpack_file_url(link, location, download_dir, hashes=hashes) + + # http urls + else: + if session is None: + session = PipSession() + + unpack_http_url( + link, + location, + download_dir, + session, + hashes=hashes, + progress_bar=progress_bar + ) + if only_download: + write_delete_marker_file(location) + + +def _download_http_url( + link, # type: Link + session, # type: PipSession + temp_dir, # type: str + hashes, # type: Hashes + progress_bar # type: str +): + # type: (...) -> Tuple[str, str] + """Download link url into temp_dir using provided session""" + target_url = link.url.split('#', 1)[0] + try: + resp = session.get( + target_url, + # We use Accept-Encoding: identity here because requests + # defaults to accepting compressed responses. This breaks in + # a variety of ways depending on how the server is configured. + # - Some servers will notice that the file isn't a compressible + # file and will leave the file alone and with an empty + # Content-Encoding + # - Some servers will notice that the file is already + # compressed and will leave the file alone and will add a + # Content-Encoding: gzip header + # - Some servers won't notice anything at all and will take + # a file that's already been compressed and compress it again + # and set the Content-Encoding: gzip header + # By setting this to request only the identity encoding We're + # hoping to eliminate the third case. Hopefully there does not + # exist a server which when given a file will notice it is + # already compressed and that you're not asking for a + # compressed file and will then decompress it before sending + # because if that's the case I don't think it'll ever be + # possible to make this work. + headers={"Accept-Encoding": "identity"}, + stream=True, + ) + resp.raise_for_status() + except requests.HTTPError as exc: + logger.critical( + "HTTP error %s while getting %s", exc.response.status_code, link, + ) + raise + + content_type = resp.headers.get('content-type', '') + filename = link.filename # fallback + # Have a look at the Content-Disposition header for a better guess + content_disposition = resp.headers.get('content-disposition') + if content_disposition: + type, params = cgi.parse_header(content_disposition) + # We use ``or`` here because we don't want to use an "empty" value + # from the filename param. + filename = params.get('filename') or filename + ext = splitext(filename)[1] + if not ext: + ext = mimetypes.guess_extension(content_type) + if ext: + filename += ext + if not ext and link.url != resp.url: + ext = os.path.splitext(resp.url)[1] + if ext: + filename += ext + file_path = os.path.join(temp_dir, filename) + with open(file_path, 'wb') as content_file: + _download_url(resp, link, content_file, hashes, progress_bar) + return file_path, content_type + + +def _check_download_dir(link, download_dir, hashes): + # type: (Link, str, Hashes) -> Optional[str] + """ Check download_dir for previously downloaded file with correct hash + If a correct file is found return its path else None + """ + download_path = os.path.join(download_dir, link.filename) + if os.path.exists(download_path): + # If already downloaded, does its hash match? + logger.info('File was already downloaded %s', download_path) + if hashes: + try: + hashes.check_against_path(download_path) + except HashMismatch: + logger.warning( + 'Previously-downloaded file %s has bad hash. ' + 'Re-downloading.', + download_path + ) + os.unlink(download_path) + return None + return download_path + return None diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/exceptions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/exceptions.py new file mode 100644 index 0000000..38ceeea --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/exceptions.py @@ -0,0 +1,274 @@ +"""Exceptions used throughout package""" +from __future__ import absolute_import + +from itertools import chain, groupby, repeat + +from pip._vendor.six import iteritems + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + + +class PipError(Exception): + """Base pip exception""" + + +class ConfigurationError(PipError): + """General exception in configuration""" + + +class InstallationError(PipError): + """General exception during installation""" + + +class UninstallationError(PipError): + """General exception during uninstallation""" + + +class DistributionNotFound(InstallationError): + """Raised when a distribution cannot be found to satisfy a requirement""" + + +class RequirementsFileParseError(InstallationError): + """Raised when a general error occurs parsing a requirements file line.""" + + +class BestVersionAlreadyInstalled(PipError): + """Raised when the most up-to-date version of a package is already + installed.""" + + +class BadCommand(PipError): + """Raised when virtualenv or a command is not found""" + + +class CommandError(PipError): + """Raised when there is an error in command-line arguments""" + + +class PreviousBuildDirError(PipError): + """Raised when there's a previous conflicting build directory""" + + +class InvalidWheelFilename(InstallationError): + """Invalid wheel filename.""" + + +class UnsupportedWheel(InstallationError): + """Unsupported wheel.""" + + +class HashErrors(InstallationError): + """Multiple HashError instances rolled into one for reporting""" + + def __init__(self): + self.errors = [] + + def append(self, error): + self.errors.append(error) + + def __str__(self): + lines = [] + self.errors.sort(key=lambda e: e.order) + for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__): + lines.append(cls.head) + lines.extend(e.body() for e in errors_of_cls) + if lines: + return '\n'.join(lines) + + def __nonzero__(self): + return bool(self.errors) + + def __bool__(self): + return self.__nonzero__() + + +class HashError(InstallationError): + """ + A failure to verify a package against known-good hashes + + :cvar order: An int sorting hash exception classes by difficulty of + recovery (lower being harder), so the user doesn't bother fretting + about unpinned packages when he has deeper issues, like VCS + dependencies, to deal with. Also keeps error reports in a + deterministic order. + :cvar head: A section heading for display above potentially many + exceptions of this kind + :ivar req: The InstallRequirement that triggered this error. This is + pasted on after the exception is instantiated, because it's not + typically available earlier. + + """ + req = None # type: Optional[InstallRequirement] + head = '' + + def body(self): + """Return a summary of me for display under the heading. + + This default implementation simply prints a description of the + triggering requirement. + + :param req: The InstallRequirement that provoked this error, with + populate_link() having already been called + + """ + return ' %s' % self._requirement_name() + + def __str__(self): + return '%s\n%s' % (self.head, self.body()) + + def _requirement_name(self): + """Return a description of the requirement that triggered me. + + This default implementation returns long description of the req, with + line numbers + + """ + return str(self.req) if self.req else 'unknown package' + + +class VcsHashUnsupported(HashError): + """A hash was provided for a version-control-system-based requirement, but + we don't have a method for hashing those.""" + + order = 0 + head = ("Can't verify hashes for these requirements because we don't " + "have a way to hash version control repositories:") + + +class DirectoryUrlHashUnsupported(HashError): + """A hash was provided for a version-control-system-based requirement, but + we don't have a method for hashing those.""" + + order = 1 + head = ("Can't verify hashes for these file:// requirements because they " + "point to directories:") + + +class HashMissing(HashError): + """A hash was needed for a requirement but is absent.""" + + order = 2 + head = ('Hashes are required in --require-hashes mode, but they are ' + 'missing from some requirements. Here is a list of those ' + 'requirements along with the hashes their downloaded archives ' + 'actually had. Add lines like these to your requirements files to ' + 'prevent tampering. (If you did not enable --require-hashes ' + 'manually, note that it turns on automatically when any package ' + 'has a hash.)') + + def __init__(self, gotten_hash): + """ + :param gotten_hash: The hash of the (possibly malicious) archive we + just downloaded + """ + self.gotten_hash = gotten_hash + + def body(self): + # Dodge circular import. + from pip._internal.utils.hashes import FAVORITE_HASH + + package = None + if self.req: + # In the case of URL-based requirements, display the original URL + # seen in the requirements file rather than the package name, + # so the output can be directly copied into the requirements file. + package = (self.req.original_link if self.req.original_link + # In case someone feeds something downright stupid + # to InstallRequirement's constructor. + else getattr(self.req, 'req', None)) + return ' %s --hash=%s:%s' % (package or 'unknown package', + FAVORITE_HASH, + self.gotten_hash) + + +class HashUnpinned(HashError): + """A requirement had a hash specified but was not pinned to a specific + version.""" + + order = 3 + head = ('In --require-hashes mode, all requirements must have their ' + 'versions pinned with ==. These do not:') + + +class HashMismatch(HashError): + """ + Distribution file hash values don't match. + + :ivar package_name: The name of the package that triggered the hash + mismatch. Feel free to write to this after the exception is raise to + improve its error message. + + """ + order = 4 + head = ('THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS ' + 'FILE. If you have updated the package versions, please update ' + 'the hashes. Otherwise, examine the package contents carefully; ' + 'someone may have tampered with them.') + + def __init__(self, allowed, gots): + """ + :param allowed: A dict of algorithm names pointing to lists of allowed + hex digests + :param gots: A dict of algorithm names pointing to hashes we + actually got from the files under suspicion + """ + self.allowed = allowed + self.gots = gots + + def body(self): + return ' %s:\n%s' % (self._requirement_name(), + self._hash_comparison()) + + def _hash_comparison(self): + """ + Return a comparison of actual and expected hash values. + + Example:: + + Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde + or 123451234512345123451234512345123451234512345 + Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef + + """ + def hash_then_or(hash_name): + # For now, all the decent hashes have 6-char names, so we can get + # away with hard-coding space literals. + return chain([hash_name], repeat(' or')) + + lines = [] + for hash_name, expecteds in iteritems(self.allowed): + prefix = hash_then_or(hash_name) + lines.extend((' Expected %s %s' % (next(prefix), e)) + for e in expecteds) + lines.append(' Got %s\n' % + self.gots[hash_name].hexdigest()) + prefix = ' or' + return '\n'.join(lines) + + +class UnsupportedPythonVersion(InstallationError): + """Unsupported python version according to Requires-Python package + metadata.""" + + +class ConfigurationFileCouldNotBeLoaded(ConfigurationError): + """When there are errors while loading a configuration file + """ + + def __init__(self, reason="could not be loaded", fname=None, error=None): + super(ConfigurationFileCouldNotBeLoaded, self).__init__(error) + self.reason = reason + self.fname = fname + self.error = error + + def __str__(self): + if self.fname is not None: + message_part = " in {}.".format(self.fname) + else: + assert self.error is not None + message_part = ".\n{}\n".format(self.error.message) + return "Configuration file {}{}".format(self.reason, message_part) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/index.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/index.py new file mode 100644 index 0000000..9eda3a3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/index.py @@ -0,0 +1,990 @@ +"""Routines related to PyPI, indexes""" +from __future__ import absolute_import + +import cgi +import itertools +import logging +import mimetypes +import os +import posixpath +import re +import sys +from collections import namedtuple + +from pip._vendor import html5lib, requests, six +from pip._vendor.distlib.compat import unescape +from pip._vendor.packaging import specifiers +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.packaging.version import parse as parse_version +from pip._vendor.requests.exceptions import RetryError, SSLError +from pip._vendor.six.moves.urllib import parse as urllib_parse +from pip._vendor.six.moves.urllib import request as urllib_request + +from pip._internal.download import HAS_TLS, is_url, path_to_url, url_to_path +from pip._internal.exceptions import ( + BestVersionAlreadyInstalled, DistributionNotFound, InvalidWheelFilename, + UnsupportedWheel, +) +from pip._internal.models.candidate import InstallationCandidate +from pip._internal.models.format_control import FormatControl +from pip._internal.models.index import PyPI +from pip._internal.models.link import Link +from pip._internal.pep425tags import get_supported +from pip._internal.utils.compat import ipaddress +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + ARCHIVE_EXTENSIONS, SUPPORTED_EXTENSIONS, WHEEL_EXTENSION, normalize_path, + redact_password_from_url, +) +from pip._internal.utils.packaging import check_requires_python +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.wheel import Wheel + +if MYPY_CHECK_RUNNING: + from logging import Logger # noqa: F401 + from typing import ( # noqa: F401 + Tuple, Optional, Any, List, Union, Callable, Set, Sequence, + Iterable, MutableMapping + ) + from pip._vendor.packaging.version import _BaseVersion # noqa: F401 + from pip._vendor.requests import Response # noqa: F401 + from pip._internal.req import InstallRequirement # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + + SecureOrigin = Tuple[str, str, Optional[str]] + BuildTag = Tuple[Any, ...] # either emply tuple or Tuple[int, str] + CandidateSortingKey = Tuple[int, _BaseVersion, BuildTag, Optional[int]] + +__all__ = ['FormatControl', 'PackageFinder'] + + +SECURE_ORIGINS = [ + # protocol, hostname, port + # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC) + ("https", "*", "*"), + ("*", "localhost", "*"), + ("*", "127.0.0.0/8", "*"), + ("*", "::1/128", "*"), + ("file", "*", None), + # ssh is always secure. + ("ssh", "*", "*"), +] # type: List[SecureOrigin] + + +logger = logging.getLogger(__name__) + + +def _match_vcs_scheme(url): + # type: (str) -> Optional[str] + """Look for VCS schemes in the URL. + + Returns the matched VCS scheme, or None if there's no match. + """ + from pip._internal.vcs import VcsSupport + for scheme in VcsSupport.schemes: + if url.lower().startswith(scheme) and url[len(scheme)] in '+:': + return scheme + return None + + +def _is_url_like_archive(url): + # type: (str) -> bool + """Return whether the URL looks like an archive. + """ + filename = Link(url).filename + for bad_ext in ARCHIVE_EXTENSIONS: + if filename.endswith(bad_ext): + return True + return False + + +class _NotHTML(Exception): + def __init__(self, content_type, request_desc): + # type: (str, str) -> None + super(_NotHTML, self).__init__(content_type, request_desc) + self.content_type = content_type + self.request_desc = request_desc + + +def _ensure_html_header(response): + # type: (Response) -> None + """Check the Content-Type header to ensure the response contains HTML. + + Raises `_NotHTML` if the content type is not text/html. + """ + content_type = response.headers.get("Content-Type", "") + if not content_type.lower().startswith("text/html"): + raise _NotHTML(content_type, response.request.method) + + +class _NotHTTP(Exception): + pass + + +def _ensure_html_response(url, session): + # type: (str, PipSession) -> None + """Send a HEAD request to the URL, and ensure the response contains HTML. + + Raises `_NotHTTP` if the URL is not available for a HEAD request, or + `_NotHTML` if the content type is not text/html. + """ + scheme, netloc, path, query, fragment = urllib_parse.urlsplit(url) + if scheme not in {'http', 'https'}: + raise _NotHTTP() + + resp = session.head(url, allow_redirects=True) + resp.raise_for_status() + + _ensure_html_header(resp) + + +def _get_html_response(url, session): + # type: (str, PipSession) -> Response + """Access an HTML page with GET, and return the response. + + This consists of three parts: + + 1. If the URL looks suspiciously like an archive, send a HEAD first to + check the Content-Type is HTML, to avoid downloading a large file. + Raise `_NotHTTP` if the content type cannot be determined, or + `_NotHTML` if it is not HTML. + 2. Actually perform the request. Raise HTTP exceptions on network failures. + 3. Check the Content-Type header to make sure we got HTML, and raise + `_NotHTML` otherwise. + """ + if _is_url_like_archive(url): + _ensure_html_response(url, session=session) + + logger.debug('Getting page %s', url) + + resp = session.get( + url, + headers={ + "Accept": "text/html", + # We don't want to blindly returned cached data for + # /simple/, because authors generally expecting that + # twine upload && pip install will function, but if + # they've done a pip install in the last ~10 minutes + # it won't. Thus by setting this to zero we will not + # blindly use any cached data, however the benefit of + # using max-age=0 instead of no-cache, is that we will + # still support conditional requests, so we will still + # minimize traffic sent in cases where the page hasn't + # changed at all, we will just always incur the round + # trip for the conditional GET now instead of only + # once per 10 minutes. + # For more information, please see pypa/pip#5670. + "Cache-Control": "max-age=0", + }, + ) + resp.raise_for_status() + + # The check for archives above only works if the url ends with + # something that looks like an archive. However that is not a + # requirement of an url. Unless we issue a HEAD request on every + # url we cannot know ahead of time for sure if something is HTML + # or not. However we can check after we've downloaded it. + _ensure_html_header(resp) + + return resp + + +def _handle_get_page_fail( + link, # type: Link + reason, # type: Union[str, Exception] + meth=None # type: Optional[Callable[..., None]] +): + # type: (...) -> None + if meth is None: + meth = logger.debug + meth("Could not fetch URL %s: %s - skipping", link, reason) + + +def _get_html_page(link, session=None): + # type: (Link, Optional[PipSession]) -> Optional[HTMLPage] + if session is None: + raise TypeError( + "_get_html_page() missing 1 required keyword argument: 'session'" + ) + + url = link.url.split('#', 1)[0] + + # Check for VCS schemes that do not support lookup as web pages. + vcs_scheme = _match_vcs_scheme(url) + if vcs_scheme: + logger.debug('Cannot look at %s URL %s', vcs_scheme, link) + return None + + # Tack index.html onto file:// URLs that point to directories + scheme, _, path, _, _, _ = urllib_parse.urlparse(url) + if (scheme == 'file' and os.path.isdir(urllib_request.url2pathname(path))): + # add trailing slash if not present so urljoin doesn't trim + # final segment + if not url.endswith('/'): + url += '/' + url = urllib_parse.urljoin(url, 'index.html') + logger.debug(' file: URL is directory, getting %s', url) + + try: + resp = _get_html_response(url, session=session) + except _NotHTTP as exc: + logger.debug( + 'Skipping page %s because it looks like an archive, and cannot ' + 'be checked by HEAD.', link, + ) + except _NotHTML as exc: + logger.debug( + 'Skipping page %s because the %s request got Content-Type: %s', + link, exc.request_desc, exc.content_type, + ) + except requests.HTTPError as exc: + _handle_get_page_fail(link, exc) + except RetryError as exc: + _handle_get_page_fail(link, exc) + except SSLError as exc: + reason = "There was a problem confirming the ssl certificate: " + reason += str(exc) + _handle_get_page_fail(link, reason, meth=logger.info) + except requests.ConnectionError as exc: + _handle_get_page_fail(link, "connection error: %s" % exc) + except requests.Timeout: + _handle_get_page_fail(link, "timed out") + else: + return HTMLPage(resp.content, resp.url, resp.headers) + return None + + +class PackageFinder(object): + """This finds packages. + + This is meant to match easy_install's technique for looking for + packages, by reading pages and looking for appropriate links. + """ + + def __init__( + self, + find_links, # type: List[str] + index_urls, # type: List[str] + allow_all_prereleases=False, # type: bool + trusted_hosts=None, # type: Optional[Iterable[str]] + session=None, # type: Optional[PipSession] + format_control=None, # type: Optional[FormatControl] + platform=None, # type: Optional[str] + versions=None, # type: Optional[List[str]] + abi=None, # type: Optional[str] + implementation=None, # type: Optional[str] + prefer_binary=False # type: bool + ): + # type: (...) -> None + """Create a PackageFinder. + + :param format_control: A FormatControl object or None. Used to control + the selection of source packages / binary packages when consulting + the index and links. + :param platform: A string or None. If None, searches for packages + that are supported by the current system. Otherwise, will find + packages that can be built on the platform passed in. These + packages will only be downloaded for distribution: they will + not be built locally. + :param versions: A list of strings or None. This is passed directly + to pep425tags.py in the get_supported() method. + :param abi: A string or None. This is passed directly + to pep425tags.py in the get_supported() method. + :param implementation: A string or None. This is passed directly + to pep425tags.py in the get_supported() method. + """ + if session is None: + raise TypeError( + "PackageFinder() missing 1 required keyword argument: " + "'session'" + ) + + # Build find_links. If an argument starts with ~, it may be + # a local file relative to a home directory. So try normalizing + # it and if it exists, use the normalized version. + # This is deliberately conservative - it might be fine just to + # blindly normalize anything starting with a ~... + self.find_links = [] # type: List[str] + for link in find_links: + if link.startswith('~'): + new_link = normalize_path(link) + if os.path.exists(new_link): + link = new_link + self.find_links.append(link) + + self.index_urls = index_urls + + # These are boring links that have already been logged somehow: + self.logged_links = set() # type: Set[Link] + + self.format_control = format_control or FormatControl(set(), set()) + + # Domains that we won't emit warnings for when not using HTTPS + self.secure_origins = [ + ("*", host, "*") + for host in (trusted_hosts if trusted_hosts else []) + ] # type: List[SecureOrigin] + + # Do we want to allow _all_ pre-releases? + self.allow_all_prereleases = allow_all_prereleases + + # The Session we'll use to make requests + self.session = session + + # The valid tags to check potential found wheel candidates against + self.valid_tags = get_supported( + versions=versions, + platform=platform, + abi=abi, + impl=implementation, + ) + + # Do we prefer old, but valid, binary dist over new source dist + self.prefer_binary = prefer_binary + + # If we don't have TLS enabled, then WARN if anyplace we're looking + # relies on TLS. + if not HAS_TLS: + for link in itertools.chain(self.index_urls, self.find_links): + parsed = urllib_parse.urlparse(link) + if parsed.scheme == "https": + logger.warning( + "pip is configured with locations that require " + "TLS/SSL, however the ssl module in Python is not " + "available." + ) + break + + def get_formatted_locations(self): + # type: () -> str + lines = [] + if self.index_urls and self.index_urls != [PyPI.simple_url]: + lines.append( + "Looking in indexes: {}".format(", ".join( + redact_password_from_url(url) for url in self.index_urls)) + ) + if self.find_links: + lines.append( + "Looking in links: {}".format(", ".join(self.find_links)) + ) + return "\n".join(lines) + + @staticmethod + def _sort_locations(locations, expand_dir=False): + # type: (Sequence[str], bool) -> Tuple[List[str], List[str]] + """ + Sort locations into "files" (archives) and "urls", and return + a pair of lists (files,urls) + """ + files = [] + urls = [] + + # puts the url for the given file path into the appropriate list + def sort_path(path): + url = path_to_url(path) + if mimetypes.guess_type(url, strict=False)[0] == 'text/html': + urls.append(url) + else: + files.append(url) + + for url in locations: + + is_local_path = os.path.exists(url) + is_file_url = url.startswith('file:') + + if is_local_path or is_file_url: + if is_local_path: + path = url + else: + path = url_to_path(url) + if os.path.isdir(path): + if expand_dir: + path = os.path.realpath(path) + for item in os.listdir(path): + sort_path(os.path.join(path, item)) + elif is_file_url: + urls.append(url) + else: + logger.warning( + "Path '{0}' is ignored: " + "it is a directory.".format(path), + ) + elif os.path.isfile(path): + sort_path(path) + else: + logger.warning( + "Url '%s' is ignored: it is neither a file " + "nor a directory.", url, + ) + elif is_url(url): + # Only add url with clear scheme + urls.append(url) + else: + logger.warning( + "Url '%s' is ignored. It is either a non-existing " + "path or lacks a specific scheme.", url, + ) + + return files, urls + + def _candidate_sort_key(self, candidate): + # type: (InstallationCandidate) -> CandidateSortingKey + """ + Function used to generate link sort key for link tuples. + The greater the return value, the more preferred it is. + If not finding wheels, then sorted by version only. + If finding wheels, then the sort order is by version, then: + 1. existing installs + 2. wheels ordered via Wheel.support_index_min(self.valid_tags) + 3. source archives + If prefer_binary was set, then all wheels are sorted above sources. + Note: it was considered to embed this logic into the Link + comparison operators, but then different sdist links + with the same version, would have to be considered equal + """ + support_num = len(self.valid_tags) + build_tag = tuple() # type: BuildTag + binary_preference = 0 + if candidate.location.is_wheel: + # can raise InvalidWheelFilename + wheel = Wheel(candidate.location.filename) + if not wheel.supported(self.valid_tags): + raise UnsupportedWheel( + "%s is not a supported wheel for this platform. It " + "can't be sorted." % wheel.filename + ) + if self.prefer_binary: + binary_preference = 1 + pri = -(wheel.support_index_min(self.valid_tags)) + if wheel.build_tag is not None: + match = re.match(r'^(\d+)(.*)$', wheel.build_tag) + build_tag_groups = match.groups() + build_tag = (int(build_tag_groups[0]), build_tag_groups[1]) + else: # sdist + pri = -(support_num) + return (binary_preference, candidate.version, build_tag, pri) + + def _validate_secure_origin(self, logger, location): + # type: (Logger, Link) -> bool + # Determine if this url used a secure transport mechanism + parsed = urllib_parse.urlparse(str(location)) + origin = (parsed.scheme, parsed.hostname, parsed.port) + + # The protocol to use to see if the protocol matches. + # Don't count the repository type as part of the protocol: in + # cases such as "git+ssh", only use "ssh". (I.e., Only verify against + # the last scheme.) + protocol = origin[0].rsplit('+', 1)[-1] + + # Determine if our origin is a secure origin by looking through our + # hardcoded list of secure origins, as well as any additional ones + # configured on this PackageFinder instance. + for secure_origin in (SECURE_ORIGINS + self.secure_origins): + if protocol != secure_origin[0] and secure_origin[0] != "*": + continue + + try: + # We need to do this decode dance to ensure that we have a + # unicode object, even on Python 2.x. + addr = ipaddress.ip_address( + origin[1] + if ( + isinstance(origin[1], six.text_type) or + origin[1] is None + ) + else origin[1].decode("utf8") + ) + network = ipaddress.ip_network( + secure_origin[1] + if isinstance(secure_origin[1], six.text_type) + # setting secure_origin[1] to proper Union[bytes, str] + # creates problems in other places + else secure_origin[1].decode("utf8") # type: ignore + ) + except ValueError: + # We don't have both a valid address or a valid network, so + # we'll check this origin against hostnames. + if (origin[1] and + origin[1].lower() != secure_origin[1].lower() and + secure_origin[1] != "*"): + continue + else: + # We have a valid address and network, so see if the address + # is contained within the network. + if addr not in network: + continue + + # Check to see if the port patches + if (origin[2] != secure_origin[2] and + secure_origin[2] != "*" and + secure_origin[2] is not None): + continue + + # If we've gotten here, then this origin matches the current + # secure origin and we should return True + return True + + # If we've gotten to this point, then the origin isn't secure and we + # will not accept it as a valid location to search. We will however + # log a warning that we are ignoring it. + logger.warning( + "The repository located at %s is not a trusted or secure host and " + "is being ignored. If this repository is available via HTTPS we " + "recommend you use HTTPS instead, otherwise you may silence " + "this warning and allow it anyway with '--trusted-host %s'.", + parsed.hostname, + parsed.hostname, + ) + + return False + + def _get_index_urls_locations(self, project_name): + # type: (str) -> List[str] + """Returns the locations found via self.index_urls + + Checks the url_name on the main (first in the list) index and + use this url_name to produce all locations + """ + + def mkurl_pypi_url(url): + loc = posixpath.join( + url, + urllib_parse.quote(canonicalize_name(project_name))) + # For maximum compatibility with easy_install, ensure the path + # ends in a trailing slash. Although this isn't in the spec + # (and PyPI can handle it without the slash) some other index + # implementations might break if they relied on easy_install's + # behavior. + if not loc.endswith('/'): + loc = loc + '/' + return loc + + return [mkurl_pypi_url(url) for url in self.index_urls] + + def find_all_candidates(self, project_name): + # type: (str) -> List[Optional[InstallationCandidate]] + """Find all available InstallationCandidate for project_name + + This checks index_urls and find_links. + All versions found are returned as an InstallationCandidate list. + + See _link_package_versions for details on which files are accepted + """ + index_locations = self._get_index_urls_locations(project_name) + index_file_loc, index_url_loc = self._sort_locations(index_locations) + fl_file_loc, fl_url_loc = self._sort_locations( + self.find_links, expand_dir=True, + ) + + file_locations = (Link(url) for url in itertools.chain( + index_file_loc, fl_file_loc, + )) + + # We trust every url that the user has given us whether it was given + # via --index-url or --find-links. + # We want to filter out any thing which does not have a secure origin. + url_locations = [ + link for link in itertools.chain( + (Link(url) for url in index_url_loc), + (Link(url) for url in fl_url_loc), + ) + if self._validate_secure_origin(logger, link) + ] + + logger.debug('%d location(s) to search for versions of %s:', + len(url_locations), project_name) + + for location in url_locations: + logger.debug('* %s', location) + + canonical_name = canonicalize_name(project_name) + formats = self.format_control.get_allowed_formats(canonical_name) + search = Search(project_name, canonical_name, formats) + find_links_versions = self._package_versions( + # We trust every directly linked archive in find_links + (Link(url, '-f') for url in self.find_links), + search + ) + + page_versions = [] + for page in self._get_pages(url_locations, project_name): + logger.debug('Analyzing links from page %s', page.url) + with indent_log(): + page_versions.extend( + self._package_versions(page.iter_links(), search) + ) + + file_versions = self._package_versions(file_locations, search) + if file_versions: + file_versions.sort(reverse=True) + logger.debug( + 'Local files found: %s', + ', '.join([ + url_to_path(candidate.location.url) + for candidate in file_versions + ]) + ) + + # This is an intentional priority ordering + return file_versions + find_links_versions + page_versions + + def find_requirement(self, req, upgrade): + # type: (InstallRequirement, bool) -> Optional[Link] + """Try to find a Link matching req + + Expects req, an InstallRequirement and upgrade, a boolean + Returns a Link if found, + Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise + """ + all_candidates = self.find_all_candidates(req.name) + + # Filter out anything which doesn't match our specifier + compatible_versions = set( + req.specifier.filter( + # We turn the version object into a str here because otherwise + # when we're debundled but setuptools isn't, Python will see + # packaging.version.Version and + # pkg_resources._vendor.packaging.version.Version as different + # types. This way we'll use a str as a common data interchange + # format. If we stop using the pkg_resources provided specifier + # and start using our own, we can drop the cast to str(). + [str(c.version) for c in all_candidates], + prereleases=( + self.allow_all_prereleases + if self.allow_all_prereleases else None + ), + ) + ) + applicable_candidates = [ + # Again, converting to str to deal with debundling. + c for c in all_candidates if str(c.version) in compatible_versions + ] + + if applicable_candidates: + best_candidate = max(applicable_candidates, + key=self._candidate_sort_key) + else: + best_candidate = None + + if req.satisfied_by is not None: + installed_version = parse_version(req.satisfied_by.version) + else: + installed_version = None + + if installed_version is None and best_candidate is None: + logger.critical( + 'Could not find a version that satisfies the requirement %s ' + '(from versions: %s)', + req, + ', '.join( + sorted( + {str(c.version) for c in all_candidates}, + key=parse_version, + ) + ) + ) + + raise DistributionNotFound( + 'No matching distribution found for %s' % req + ) + + best_installed = False + if installed_version and ( + best_candidate is None or + best_candidate.version <= installed_version): + best_installed = True + + if not upgrade and installed_version is not None: + if best_installed: + logger.debug( + 'Existing installed version (%s) is most up-to-date and ' + 'satisfies requirement', + installed_version, + ) + else: + logger.debug( + 'Existing installed version (%s) satisfies requirement ' + '(most up-to-date version is %s)', + installed_version, + best_candidate.version, + ) + return None + + if best_installed: + # We have an existing version, and its the best version + logger.debug( + 'Installed version (%s) is most up-to-date (past versions: ' + '%s)', + installed_version, + ', '.join(sorted(compatible_versions, key=parse_version)) or + "none", + ) + raise BestVersionAlreadyInstalled + + logger.debug( + 'Using version %s (newest of versions: %s)', + best_candidate.version, + ', '.join(sorted(compatible_versions, key=parse_version)) + ) + return best_candidate.location + + def _get_pages(self, locations, project_name): + # type: (Iterable[Link], str) -> Iterable[HTMLPage] + """ + Yields (page, page_url) from the given locations, skipping + locations that have errors. + """ + seen = set() # type: Set[Link] + for location in locations: + if location in seen: + continue + seen.add(location) + + page = _get_html_page(location, session=self.session) + if page is None: + continue + + yield page + + _py_version_re = re.compile(r'-py([123]\.?[0-9]?)$') + + def _sort_links(self, links): + # type: (Iterable[Link]) -> List[Link] + """ + Returns elements of links in order, non-egg links first, egg links + second, while eliminating duplicates + """ + eggs, no_eggs = [], [] + seen = set() # type: Set[Link] + for link in links: + if link not in seen: + seen.add(link) + if link.egg_fragment: + eggs.append(link) + else: + no_eggs.append(link) + return no_eggs + eggs + + def _package_versions( + self, + links, # type: Iterable[Link] + search # type: Search + ): + # type: (...) -> List[Optional[InstallationCandidate]] + result = [] + for link in self._sort_links(links): + v = self._link_package_versions(link, search) + if v is not None: + result.append(v) + return result + + def _log_skipped_link(self, link, reason): + # type: (Link, str) -> None + if link not in self.logged_links: + logger.debug('Skipping link %s; %s', link, reason) + self.logged_links.add(link) + + def _link_package_versions(self, link, search): + # type: (Link, Search) -> Optional[InstallationCandidate] + """Return an InstallationCandidate or None""" + version = None + if link.egg_fragment: + egg_info = link.egg_fragment + ext = link.ext + else: + egg_info, ext = link.splitext() + if not ext: + self._log_skipped_link(link, 'not a file') + return None + if ext not in SUPPORTED_EXTENSIONS: + self._log_skipped_link( + link, 'unsupported archive format: %s' % ext, + ) + return None + if "binary" not in search.formats and ext == WHEEL_EXTENSION: + self._log_skipped_link( + link, 'No binaries permitted for %s' % search.supplied, + ) + return None + if "macosx10" in link.path and ext == '.zip': + self._log_skipped_link(link, 'macosx10 one') + return None + if ext == WHEEL_EXTENSION: + try: + wheel = Wheel(link.filename) + except InvalidWheelFilename: + self._log_skipped_link(link, 'invalid wheel filename') + return None + if canonicalize_name(wheel.name) != search.canonical: + self._log_skipped_link( + link, 'wrong project name (not %s)' % search.supplied) + return None + + if not wheel.supported(self.valid_tags): + self._log_skipped_link( + link, 'it is not compatible with this Python') + return None + + version = wheel.version + + # This should be up by the search.ok_binary check, but see issue 2700. + if "source" not in search.formats and ext != WHEEL_EXTENSION: + self._log_skipped_link( + link, 'No sources permitted for %s' % search.supplied, + ) + return None + + if not version: + version = _egg_info_matches(egg_info, search.canonical) + if not version: + self._log_skipped_link( + link, 'Missing project version for %s' % search.supplied) + return None + + match = self._py_version_re.search(version) + if match: + version = version[:match.start()] + py_version = match.group(1) + if py_version != sys.version[:3]: + self._log_skipped_link( + link, 'Python version is incorrect') + return None + try: + support_this_python = check_requires_python(link.requires_python) + except specifiers.InvalidSpecifier: + logger.debug("Package %s has an invalid Requires-Python entry: %s", + link.filename, link.requires_python) + support_this_python = True + + if not support_this_python: + logger.debug("The package %s is incompatible with the python " + "version in use. Acceptable python versions are: %s", + link, link.requires_python) + return None + logger.debug('Found link %s, version: %s', link, version) + + return InstallationCandidate(search.supplied, version, link) + + +def _find_name_version_sep(egg_info, canonical_name): + # type: (str, str) -> int + """Find the separator's index based on the package's canonical name. + + `egg_info` must be an egg info string for the given package, and + `canonical_name` must be the package's canonical name. + + This function is needed since the canonicalized name does not necessarily + have the same length as the egg info's name part. An example:: + + >>> egg_info = 'foo__bar-1.0' + >>> canonical_name = 'foo-bar' + >>> _find_name_version_sep(egg_info, canonical_name) + 8 + """ + # Project name and version must be separated by one single dash. Find all + # occurrences of dashes; if the string in front of it matches the canonical + # name, this is the one separating the name and version parts. + for i, c in enumerate(egg_info): + if c != "-": + continue + if canonicalize_name(egg_info[:i]) == canonical_name: + return i + raise ValueError("{} does not match {}".format(egg_info, canonical_name)) + + +def _egg_info_matches(egg_info, canonical_name): + # type: (str, str) -> Optional[str] + """Pull the version part out of a string. + + :param egg_info: The string to parse. E.g. foo-2.1 + :param canonical_name: The canonicalized name of the package this + belongs to. + """ + try: + version_start = _find_name_version_sep(egg_info, canonical_name) + 1 + except ValueError: + return None + version = egg_info[version_start:] + if not version: + return None + return version + + +def _determine_base_url(document, page_url): + """Determine the HTML document's base URL. + + This looks for a ```` tag in the HTML document. If present, its href + attribute denotes the base URL of anchor tags in the document. If there is + no such tag (or if it does not have a valid href attribute), the HTML + file's URL is used as the base URL. + + :param document: An HTML document representation. The current + implementation expects the result of ``html5lib.parse()``. + :param page_url: The URL of the HTML document. + """ + for base in document.findall(".//base"): + href = base.get("href") + if href is not None: + return href + return page_url + + +def _get_encoding_from_headers(headers): + """Determine if we have any encoding information in our headers. + """ + if headers and "Content-Type" in headers: + content_type, params = cgi.parse_header(headers["Content-Type"]) + if "charset" in params: + return params['charset'] + return None + + +_CLEAN_LINK_RE = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I) + + +def _clean_link(url): + # type: (str) -> str + """Makes sure a link is fully encoded. That is, if a ' ' shows up in + the link, it will be rewritten to %20 (while not over-quoting + % or other characters).""" + return _CLEAN_LINK_RE.sub(lambda match: '%%%2x' % ord(match.group(0)), url) + + +class HTMLPage(object): + """Represents one page, along with its URL""" + + def __init__(self, content, url, headers=None): + # type: (bytes, str, MutableMapping[str, str]) -> None + self.content = content + self.url = url + self.headers = headers + + def __str__(self): + return redact_password_from_url(self.url) + + def iter_links(self): + # type: () -> Iterable[Link] + """Yields all links in the page""" + document = html5lib.parse( + self.content, + transport_encoding=_get_encoding_from_headers(self.headers), + namespaceHTMLElements=False, + ) + base_url = _determine_base_url(document, self.url) + for anchor in document.findall(".//a"): + if anchor.get("href"): + href = anchor.get("href") + url = _clean_link(urllib_parse.urljoin(base_url, href)) + pyrequire = anchor.get('data-requires-python') + pyrequire = unescape(pyrequire) if pyrequire else None + yield Link(url, self.url, requires_python=pyrequire) + + +Search = namedtuple('Search', 'supplied canonical formats') +"""Capture key aspects of a search. + +:attribute supplied: The user supplied package. +:attribute canonical: The canonical package name. +:attribute formats: The formats allowed for this package. Should be a set + with 'binary' or 'source' or both in it. +""" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/locations.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/locations.py new file mode 100644 index 0000000..c6e2a3e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/locations.py @@ -0,0 +1,211 @@ +"""Locations where we look for configs, install stuff, etc""" +from __future__ import absolute_import + +import os +import os.path +import platform +import site +import sys +import sysconfig +from distutils import sysconfig as distutils_sysconfig +from distutils.command.install import SCHEME_KEYS # type: ignore + +from pip._internal.utils import appdirs +from pip._internal.utils.compat import WINDOWS, expanduser +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Any, Union, Dict, List, Optional # noqa: F401 + + +# Application Directories +USER_CACHE_DIR = appdirs.user_cache_dir("pip") + + +DELETE_MARKER_MESSAGE = '''\ +This file is placed here by pip to indicate the source was put +here by pip. + +Once this package is successfully installed this source code will be +deleted (unless you remove this file). +''' +PIP_DELETE_MARKER_FILENAME = 'pip-delete-this-directory.txt' + + +def write_delete_marker_file(directory): + # type: (str) -> None + """ + Write the pip delete marker file into this directory. + """ + filepath = os.path.join(directory, PIP_DELETE_MARKER_FILENAME) + with open(filepath, 'w') as marker_fp: + marker_fp.write(DELETE_MARKER_MESSAGE) + + +def running_under_virtualenv(): + # type: () -> bool + """ + Return True if we're running inside a virtualenv, False otherwise. + + """ + if hasattr(sys, 'real_prefix'): + return True + elif sys.prefix != getattr(sys, "base_prefix", sys.prefix): + return True + + return False + + +def virtualenv_no_global(): + # type: () -> bool + """ + Return True if in a venv and no system site packages. + """ + # this mirrors the logic in virtualenv.py for locating the + # no-global-site-packages.txt file + site_mod_dir = os.path.dirname(os.path.abspath(site.__file__)) + no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt') + if running_under_virtualenv() and os.path.isfile(no_global_file): + return True + else: + return False + + +if running_under_virtualenv(): + src_prefix = os.path.join(sys.prefix, 'src') +else: + # FIXME: keep src in cwd for now (it is not a temporary folder) + try: + src_prefix = os.path.join(os.getcwd(), 'src') + except OSError: + # In case the current working directory has been renamed or deleted + sys.exit( + "The folder you are executing pip from can no longer be found." + ) + +# under macOS + virtualenv sys.prefix is not properly resolved +# it is something like /path/to/python/bin/.. +# Note: using realpath due to tmp dirs on OSX being symlinks +src_prefix = os.path.abspath(src_prefix) + +# FIXME doesn't account for venv linked to global site-packages + +site_packages = sysconfig.get_path("purelib") # type: Optional[str] + +# This is because of a bug in PyPy's sysconfig module, see +# https://bitbucket.org/pypy/pypy/issues/2506/sysconfig-returns-incorrect-paths +# for more information. +if platform.python_implementation().lower() == "pypy": + site_packages = distutils_sysconfig.get_python_lib() +try: + # Use getusersitepackages if this is present, as it ensures that the + # value is initialised properly. + user_site = site.getusersitepackages() +except AttributeError: + user_site = site.USER_SITE +user_dir = expanduser('~') +if WINDOWS: + bin_py = os.path.join(sys.prefix, 'Scripts') + bin_user = os.path.join(user_site, 'Scripts') + # buildout uses 'bin' on Windows too? + if not os.path.exists(bin_py): + bin_py = os.path.join(sys.prefix, 'bin') + bin_user = os.path.join(user_site, 'bin') + + config_basename = 'pip.ini' + + legacy_storage_dir = os.path.join(user_dir, 'pip') + legacy_config_file = os.path.join( + legacy_storage_dir, + config_basename, + ) +else: + bin_py = os.path.join(sys.prefix, 'bin') + bin_user = os.path.join(user_site, 'bin') + + config_basename = 'pip.conf' + + legacy_storage_dir = os.path.join(user_dir, '.pip') + legacy_config_file = os.path.join( + legacy_storage_dir, + config_basename, + ) + # Forcing to use /usr/local/bin for standard macOS framework installs + # Also log to ~/Library/Logs/ for use with the Console.app log viewer + if sys.platform[:6] == 'darwin' and sys.prefix[:16] == '/System/Library/': + bin_py = '/usr/local/bin' + +site_config_files = [ + os.path.join(path, config_basename) + for path in appdirs.site_config_dirs('pip') +] + +venv_config_file = os.path.join(sys.prefix, config_basename) +new_config_file = os.path.join(appdirs.user_config_dir("pip"), config_basename) + + +def distutils_scheme(dist_name, user=False, home=None, root=None, + isolated=False, prefix=None): + # type:(str, bool, str, str, bool, str) -> dict + """ + Return a distutils install scheme + """ + from distutils.dist import Distribution + + scheme = {} + + if isolated: + extra_dist_args = {"script_args": ["--no-user-cfg"]} + else: + extra_dist_args = {} + dist_args = {'name': dist_name} # type: Dict[str, Union[str, List[str]]] + dist_args.update(extra_dist_args) + + d = Distribution(dist_args) + # Ignoring, typeshed issue reported python/typeshed/issues/2567 + d.parse_config_files() + # NOTE: Ignoring type since mypy can't find attributes on 'Command' + i = d.get_command_obj('install', create=True) # type: Any + assert i is not None + # NOTE: setting user or home has the side-effect of creating the home dir + # or user base for installations during finalize_options() + # ideally, we'd prefer a scheme class that has no side-effects. + assert not (user and prefix), "user={} prefix={}".format(user, prefix) + i.user = user or i.user + if user: + i.prefix = "" + i.prefix = prefix or i.prefix + i.home = home or i.home + i.root = root or i.root + i.finalize_options() + for key in SCHEME_KEYS: + scheme[key] = getattr(i, 'install_' + key) + + # install_lib specified in setup.cfg should install *everything* + # into there (i.e. it takes precedence over both purelib and + # platlib). Note, i.install_lib is *always* set after + # finalize_options(); we only want to override here if the user + # has explicitly requested it hence going back to the config + + # Ignoring, typeshed issue reported python/typeshed/issues/2567 + if 'install_lib' in d.get_option_dict('install'): # type: ignore + scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib)) + + if running_under_virtualenv(): + scheme['headers'] = os.path.join( + sys.prefix, + 'include', + 'site', + 'python' + sys.version[:3], + dist_name, + ) + + if root is not None: + path_no_drive = os.path.splitdrive( + os.path.abspath(scheme["headers"]))[1] + scheme["headers"] = os.path.join( + root, + path_no_drive[1:], + ) + + return scheme diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/__init__.py new file mode 100644 index 0000000..7855226 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/__init__.py @@ -0,0 +1,2 @@ +"""A package that contains models that represent entities. +""" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/candidate.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/candidate.py new file mode 100644 index 0000000..4475458 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/candidate.py @@ -0,0 +1,31 @@ +from pip._vendor.packaging.version import parse as parse_version + +from pip._internal.utils.models import KeyBasedCompareMixin +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from pip._vendor.packaging.version import _BaseVersion # noqa: F401 + from pip._internal.models.link import Link # noqa: F401 + from typing import Any, Union # noqa: F401 + + +class InstallationCandidate(KeyBasedCompareMixin): + """Represents a potential "candidate" for installation. + """ + + def __init__(self, project, version, location): + # type: (Any, str, Link) -> None + self.project = project + self.version = parse_version(version) # type: _BaseVersion + self.location = location + + super(InstallationCandidate, self).__init__( + key=(self.project, self.version, self.location), + defining_class=InstallationCandidate + ) + + def __repr__(self): + # type: () -> str + return "".format( + self.project, self.version, self.location, + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/format_control.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/format_control.py new file mode 100644 index 0000000..971a391 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/format_control.py @@ -0,0 +1,73 @@ +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional, Set, FrozenSet # noqa: F401 + + +class FormatControl(object): + """Helper for managing formats from which a package can be installed. + """ + + def __init__(self, no_binary=None, only_binary=None): + # type: (Optional[Set], Optional[Set]) -> None + if no_binary is None: + no_binary = set() + if only_binary is None: + only_binary = set() + + self.no_binary = no_binary + self.only_binary = only_binary + + def __eq__(self, other): + return self.__dict__ == other.__dict__ + + def __ne__(self, other): + return not self.__eq__(other) + + def __repr__(self): + return "{}({}, {})".format( + self.__class__.__name__, + self.no_binary, + self.only_binary + ) + + @staticmethod + def handle_mutual_excludes(value, target, other): + # type: (str, Optional[Set], Optional[Set]) -> None + new = value.split(',') + while ':all:' in new: + other.clear() + target.clear() + target.add(':all:') + del new[:new.index(':all:') + 1] + # Without a none, we want to discard everything as :all: covers it + if ':none:' not in new: + return + for name in new: + if name == ':none:': + target.clear() + continue + name = canonicalize_name(name) + other.discard(name) + target.add(name) + + def get_allowed_formats(self, canonical_name): + # type: (str) -> FrozenSet + result = {"binary", "source"} + if canonical_name in self.only_binary: + result.discard('source') + elif canonical_name in self.no_binary: + result.discard('binary') + elif ':all:' in self.only_binary: + result.discard('source') + elif ':all:' in self.no_binary: + result.discard('binary') + return frozenset(result) + + def disallow_binaries(self): + # type: () -> None + self.handle_mutual_excludes( + ':all:', self.no_binary, self.only_binary, + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/index.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/index.py new file mode 100644 index 0000000..ead1efb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/index.py @@ -0,0 +1,31 @@ +from pip._vendor.six.moves.urllib import parse as urllib_parse + + +class PackageIndex(object): + """Represents a Package Index and provides easier access to endpoints + """ + + def __init__(self, url, file_storage_domain): + # type: (str, str) -> None + super(PackageIndex, self).__init__() + self.url = url + self.netloc = urllib_parse.urlsplit(url).netloc + self.simple_url = self._url_for_path('simple') + self.pypi_url = self._url_for_path('pypi') + + # This is part of a temporary hack used to block installs of PyPI + # packages which depend on external urls only necessary until PyPI can + # block such packages themselves + self.file_storage_domain = file_storage_domain + + def _url_for_path(self, path): + # type: (str) -> str + return urllib_parse.urljoin(self.url, path) + + +PyPI = PackageIndex( + 'https://pypi.org/', file_storage_domain='files.pythonhosted.org' +) +TestPyPI = PackageIndex( + 'https://test.pypi.org/', file_storage_domain='test-files.pythonhosted.org' +) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/link.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/link.py new file mode 100644 index 0000000..ad2f93e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/models/link.py @@ -0,0 +1,163 @@ +import posixpath +import re + +from pip._vendor.six.moves.urllib import parse as urllib_parse + +from pip._internal.download import path_to_url +from pip._internal.utils.misc import ( + WHEEL_EXTENSION, redact_password_from_url, splitext, +) +from pip._internal.utils.models import KeyBasedCompareMixin +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional, Tuple, Union, Text # noqa: F401 + from pip._internal.index import HTMLPage # noqa: F401 + + +class Link(KeyBasedCompareMixin): + """Represents a parsed link from a Package Index's simple URL + """ + + def __init__(self, url, comes_from=None, requires_python=None): + # type: (str, Optional[Union[str, HTMLPage]], Optional[str]) -> None + """ + url: + url of the resource pointed to (href of the link) + comes_from: + instance of HTMLPage where the link was found, or string. + requires_python: + String containing the `Requires-Python` metadata field, specified + in PEP 345. This may be specified by a data-requires-python + attribute in the HTML link tag, as described in PEP 503. + """ + + # url can be a UNC windows share + if url.startswith('\\\\'): + url = path_to_url(url) + + self.url = url + self.comes_from = comes_from + self.requires_python = requires_python if requires_python else None + + super(Link, self).__init__( + key=(self.url), + defining_class=Link + ) + + def __str__(self): + if self.requires_python: + rp = ' (requires-python:%s)' % self.requires_python + else: + rp = '' + if self.comes_from: + return '%s (from %s)%s' % (redact_password_from_url(self.url), + self.comes_from, rp) + else: + return redact_password_from_url(str(self.url)) + + def __repr__(self): + return '' % self + + @property + def filename(self): + # type: () -> str + _, netloc, path, _, _ = urllib_parse.urlsplit(self.url) + name = posixpath.basename(path.rstrip('/')) or netloc + name = urllib_parse.unquote(name) + assert name, ('URL %r produced no filename' % self.url) + return name + + @property + def scheme(self): + # type: () -> str + return urllib_parse.urlsplit(self.url)[0] + + @property + def netloc(self): + # type: () -> str + return urllib_parse.urlsplit(self.url)[1] + + @property + def path(self): + # type: () -> str + return urllib_parse.unquote(urllib_parse.urlsplit(self.url)[2]) + + def splitext(self): + # type: () -> Tuple[str, str] + return splitext(posixpath.basename(self.path.rstrip('/'))) + + @property + def ext(self): + # type: () -> str + return self.splitext()[1] + + @property + def url_without_fragment(self): + # type: () -> str + scheme, netloc, path, query, fragment = urllib_parse.urlsplit(self.url) + return urllib_parse.urlunsplit((scheme, netloc, path, query, None)) + + _egg_fragment_re = re.compile(r'[#&]egg=([^&]*)') + + @property + def egg_fragment(self): + # type: () -> Optional[str] + match = self._egg_fragment_re.search(self.url) + if not match: + return None + return match.group(1) + + _subdirectory_fragment_re = re.compile(r'[#&]subdirectory=([^&]*)') + + @property + def subdirectory_fragment(self): + # type: () -> Optional[str] + match = self._subdirectory_fragment_re.search(self.url) + if not match: + return None + return match.group(1) + + _hash_re = re.compile( + r'(sha1|sha224|sha384|sha256|sha512|md5)=([a-f0-9]+)' + ) + + @property + def hash(self): + # type: () -> Optional[str] + match = self._hash_re.search(self.url) + if match: + return match.group(2) + return None + + @property + def hash_name(self): + # type: () -> Optional[str] + match = self._hash_re.search(self.url) + if match: + return match.group(1) + return None + + @property + def show_url(self): + # type: () -> Optional[str] + return posixpath.basename(self.url.split('#', 1)[0].split('?', 1)[0]) + + @property + def is_wheel(self): + # type: () -> bool + return self.ext == WHEEL_EXTENSION + + @property + def is_artifact(self): + # type: () -> bool + """ + Determines if this points to an actual artifact (e.g. a tarball) or if + it points to an "abstract" thing like a path or a VCS location. + """ + from pip._internal.vcs import vcs + + if self.scheme in vcs.all_schemes: + return False + + return True diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/check.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/check.py new file mode 100644 index 0000000..0b56eda --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/check.py @@ -0,0 +1,155 @@ +"""Validation of dependencies of packages +""" + +import logging +from collections import namedtuple + +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.pkg_resources import RequirementParseError + +from pip._internal.operations.prepare import make_abstract_dist +from pip._internal.utils.misc import get_installed_distributions +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +logger = logging.getLogger(__name__) + +if MYPY_CHECK_RUNNING: + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + from typing import ( # noqa: F401 + Any, Callable, Dict, Optional, Set, Tuple, List + ) + + # Shorthands + PackageSet = Dict[str, 'PackageDetails'] + Missing = Tuple[str, Any] + Conflicting = Tuple[str, str, Any] + + MissingDict = Dict[str, List[Missing]] + ConflictingDict = Dict[str, List[Conflicting]] + CheckResult = Tuple[MissingDict, ConflictingDict] + +PackageDetails = namedtuple('PackageDetails', ['version', 'requires']) + + +def create_package_set_from_installed(**kwargs): + # type: (**Any) -> Tuple[PackageSet, bool] + """Converts a list of distributions into a PackageSet. + """ + # Default to using all packages installed on the system + if kwargs == {}: + kwargs = {"local_only": False, "skip": ()} + + package_set = {} + problems = False + for dist in get_installed_distributions(**kwargs): + name = canonicalize_name(dist.project_name) + try: + package_set[name] = PackageDetails(dist.version, dist.requires()) + except RequirementParseError as e: + # Don't crash on broken metadata + logging.warning("Error parsing requirements for %s: %s", name, e) + problems = True + return package_set, problems + + +def check_package_set(package_set, should_ignore=None): + # type: (PackageSet, Optional[Callable[[str], bool]]) -> CheckResult + """Check if a package set is consistent + + If should_ignore is passed, it should be a callable that takes a + package name and returns a boolean. + """ + if should_ignore is None: + def should_ignore(name): + return False + + missing = dict() + conflicting = dict() + + for package_name in package_set: + # Info about dependencies of package_name + missing_deps = set() # type: Set[Missing] + conflicting_deps = set() # type: Set[Conflicting] + + if should_ignore(package_name): + continue + + for req in package_set[package_name].requires: + name = canonicalize_name(req.project_name) # type: str + + # Check if it's missing + if name not in package_set: + missed = True + if req.marker is not None: + missed = req.marker.evaluate() + if missed: + missing_deps.add((name, req)) + continue + + # Check if there's a conflict + version = package_set[name].version # type: str + if not req.specifier.contains(version, prereleases=True): + conflicting_deps.add((name, version, req)) + + if missing_deps: + missing[package_name] = sorted(missing_deps, key=str) + if conflicting_deps: + conflicting[package_name] = sorted(conflicting_deps, key=str) + + return missing, conflicting + + +def check_install_conflicts(to_install): + # type: (List[InstallRequirement]) -> Tuple[PackageSet, CheckResult] + """For checking if the dependency graph would be consistent after \ + installing given requirements + """ + # Start from the current state + package_set, _ = create_package_set_from_installed() + # Install packages + would_be_installed = _simulate_installation_of(to_install, package_set) + + # Only warn about directly-dependent packages; create a whitelist of them + whitelist = _create_whitelist(would_be_installed, package_set) + + return ( + package_set, + check_package_set( + package_set, should_ignore=lambda name: name not in whitelist + ) + ) + + +def _simulate_installation_of(to_install, package_set): + # type: (List[InstallRequirement], PackageSet) -> Set[str] + """Computes the version of packages after installing to_install. + """ + + # Keep track of packages that were installed + installed = set() + + # Modify it as installing requirement_set would (assuming no errors) + for inst_req in to_install: + dist = make_abstract_dist(inst_req).dist() + name = canonicalize_name(dist.key) + package_set[name] = PackageDetails(dist.version, dist.requires()) + + installed.add(name) + + return installed + + +def _create_whitelist(would_be_installed, package_set): + # type: (Set[str], PackageSet) -> Set[str] + packages_affected = set(would_be_installed) + + for package_name in package_set: + if package_name in packages_affected: + continue + + for req in package_set[package_name].requires: + if canonicalize_name(req.name) in packages_affected: + packages_affected.add(package_name) + break + + return packages_affected diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py new file mode 100644 index 0000000..388bb73 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py @@ -0,0 +1,247 @@ +from __future__ import absolute_import + +import collections +import logging +import os +import re + +from pip._vendor import six +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.pkg_resources import RequirementParseError + +from pip._internal.exceptions import BadCommand, InstallationError +from pip._internal.req.constructors import ( + install_req_from_editable, install_req_from_line, +) +from pip._internal.req.req_file import COMMENT_RE +from pip._internal.utils.misc import ( + dist_is_editable, get_installed_distributions, +) +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union + ) + from pip._internal.cache import WheelCache # noqa: F401 + from pip._vendor.pkg_resources import ( # noqa: F401 + Distribution, Requirement + ) + + RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]] + + +logger = logging.getLogger(__name__) + + +def freeze( + requirement=None, # type: Optional[List[str]] + find_links=None, # type: Optional[List[str]] + local_only=None, # type: Optional[bool] + user_only=None, # type: Optional[bool] + skip_regex=None, # type: Optional[str] + isolated=False, # type: bool + wheel_cache=None, # type: Optional[WheelCache] + exclude_editable=False, # type: bool + skip=() # type: Container[str] +): + # type: (...) -> Iterator[str] + find_links = find_links or [] + skip_match = None + + if skip_regex: + skip_match = re.compile(skip_regex).search + + for link in find_links: + yield '-f %s' % link + installations = {} # type: Dict[str, FrozenRequirement] + for dist in get_installed_distributions(local_only=local_only, + skip=(), + user_only=user_only): + try: + req = FrozenRequirement.from_dist(dist) + except RequirementParseError: + logger.warning( + "Could not parse requirement: %s", + dist.project_name + ) + continue + if exclude_editable and req.editable: + continue + installations[req.name] = req + + if requirement: + # the options that don't get turned into an InstallRequirement + # should only be emitted once, even if the same option is in multiple + # requirements files, so we need to keep track of what has been emitted + # so that we don't emit it again if it's seen again + emitted_options = set() # type: Set[str] + # keep track of which files a requirement is in so that we can + # give an accurate warning if a requirement appears multiple times. + req_files = collections.defaultdict(list) # type: Dict[str, List[str]] + for req_file_path in requirement: + with open(req_file_path) as req_file: + for line in req_file: + if (not line.strip() or + line.strip().startswith('#') or + (skip_match and skip_match(line)) or + line.startswith(( + '-r', '--requirement', + '-Z', '--always-unzip', + '-f', '--find-links', + '-i', '--index-url', + '--pre', + '--trusted-host', + '--process-dependency-links', + '--extra-index-url'))): + line = line.rstrip() + if line not in emitted_options: + emitted_options.add(line) + yield line + continue + + if line.startswith('-e') or line.startswith('--editable'): + if line.startswith('-e'): + line = line[2:].strip() + else: + line = line[len('--editable'):].strip().lstrip('=') + line_req = install_req_from_editable( + line, + isolated=isolated, + wheel_cache=wheel_cache, + ) + else: + line_req = install_req_from_line( + COMMENT_RE.sub('', line).strip(), + isolated=isolated, + wheel_cache=wheel_cache, + ) + + if not line_req.name: + logger.info( + "Skipping line in requirement file [%s] because " + "it's not clear what it would install: %s", + req_file_path, line.strip(), + ) + logger.info( + " (add #egg=PackageName to the URL to avoid" + " this warning)" + ) + elif line_req.name not in installations: + # either it's not installed, or it is installed + # but has been processed already + if not req_files[line_req.name]: + logger.warning( + "Requirement file [%s] contains %s, but " + "package %r is not installed", + req_file_path, + COMMENT_RE.sub('', line).strip(), line_req.name + ) + else: + req_files[line_req.name].append(req_file_path) + else: + yield str(installations[line_req.name]).rstrip() + del installations[line_req.name] + req_files[line_req.name].append(req_file_path) + + # Warn about requirements that were included multiple times (in a + # single requirements file or in different requirements files). + for name, files in six.iteritems(req_files): + if len(files) > 1: + logger.warning("Requirement %s included multiple times [%s]", + name, ', '.join(sorted(set(files)))) + + yield( + '## The following requirements were added by ' + 'pip freeze:' + ) + for installation in sorted( + installations.values(), key=lambda x: x.name.lower()): + if canonicalize_name(installation.name) not in skip: + yield str(installation).rstrip() + + +def get_requirement_info(dist): + # type: (Distribution) -> RequirementInfo + """ + Compute and return values (req, editable, comments) for use in + FrozenRequirement.from_dist(). + """ + if not dist_is_editable(dist): + return (None, False, []) + + location = os.path.normcase(os.path.abspath(dist.location)) + + from pip._internal.vcs import vcs, RemoteNotFoundError + vc_type = vcs.get_backend_type(location) + + if not vc_type: + req = dist.as_requirement() + logger.debug( + 'No VCS found for editable requirement {!r} in: {!r}', req, + location, + ) + comments = [ + '# Editable install with no version control ({})'.format(req) + ] + return (location, True, comments) + + try: + req = vc_type.get_src_requirement(location, dist.project_name) + except RemoteNotFoundError: + req = dist.as_requirement() + comments = [ + '# Editable {} install with no remote ({})'.format( + vc_type.__name__, req, + ) + ] + return (location, True, comments) + + except BadCommand: + logger.warning( + 'cannot determine version of editable source in %s ' + '(%s command not found in path)', + location, + vc_type.name, + ) + return (None, True, []) + + except InstallationError as exc: + logger.warning( + "Error when trying to get requirement for VCS system %s, " + "falling back to uneditable format", exc + ) + else: + if req is not None: + return (req, True, []) + + logger.warning( + 'Could not determine repository location of %s', location + ) + comments = ['## !! Could not determine repository location'] + + return (None, False, comments) + + +class FrozenRequirement(object): + def __init__(self, name, req, editable, comments=()): + # type: (str, Union[str, Requirement], bool, Iterable[str]) -> None + self.name = name + self.req = req + self.editable = editable + self.comments = comments + + @classmethod + def from_dist(cls, dist): + # type: (Distribution) -> FrozenRequirement + req, editable, comments = get_requirement_info(dist) + if req is None: + req = dist.as_requirement() + + return cls(dist.project_name, req, editable, comments=comments) + + def __str__(self): + req = self.req + if self.editable: + req = '-e %s' % req + return '\n'.join(list(self.comments) + [str(req)]) + '\n' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/prepare.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/prepare.py new file mode 100644 index 0000000..4f31dd5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/prepare.py @@ -0,0 +1,413 @@ +"""Prepares a distribution for installation +""" + +import logging +import os + +from pip._vendor import pkg_resources, requests + +from pip._internal.build_env import BuildEnvironment +from pip._internal.download import ( + is_dir_url, is_file_url, is_vcs_url, unpack_url, url_to_path, +) +from pip._internal.exceptions import ( + DirectoryUrlHashUnsupported, HashUnpinned, InstallationError, + PreviousBuildDirError, VcsHashUnsupported, +) +from pip._internal.utils.compat import expanduser +from pip._internal.utils.hashes import MissingHashes +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import display_path, normalize_path +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.vcs import vcs + +if MYPY_CHECK_RUNNING: + from typing import Any, Optional # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + from pip._internal.index import PackageFinder # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + from pip._internal.req.req_tracker import RequirementTracker # noqa: F401 + +logger = logging.getLogger(__name__) + + +def make_abstract_dist(req): + # type: (InstallRequirement) -> DistAbstraction + """Factory to make an abstract dist object. + + Preconditions: Either an editable req with a source_dir, or satisfied_by or + a wheel link, or a non-editable req with a source_dir. + + :return: A concrete DistAbstraction. + """ + if req.editable: + return IsSDist(req) + elif req.link and req.link.is_wheel: + return IsWheel(req) + else: + return IsSDist(req) + + +class DistAbstraction(object): + """Abstracts out the wheel vs non-wheel Resolver.resolve() logic. + + The requirements for anything installable are as follows: + - we must be able to determine the requirement name + (or we can't correctly handle the non-upgrade case). + - we must be able to generate a list of run-time dependencies + without installing any additional packages (or we would + have to either burn time by doing temporary isolated installs + or alternatively violate pips 'don't start installing unless + all requirements are available' rule - neither of which are + desirable). + - for packages with setup requirements, we must also be able + to determine their requirements without installing additional + packages (for the same reason as run-time dependencies) + - we must be able to create a Distribution object exposing the + above metadata. + """ + + def __init__(self, req): + # type: (InstallRequirement) -> None + self.req = req # type: InstallRequirement + + def dist(self): + # type: () -> Any + """Return a setuptools Dist object.""" + raise NotImplementedError + + def prep_for_dist(self, finder, build_isolation): + # type: (PackageFinder, bool) -> Any + """Ensure that we can get a Dist for this requirement.""" + raise NotImplementedError + + +class IsWheel(DistAbstraction): + + def dist(self): + # type: () -> pkg_resources.Distribution + return list(pkg_resources.find_distributions( + self.req.source_dir))[0] + + def prep_for_dist(self, finder, build_isolation): + # type: (PackageFinder, bool) -> Any + # FIXME:https://github.com/pypa/pip/issues/1112 + pass + + +class IsSDist(DistAbstraction): + + def dist(self): + return self.req.get_dist() + + def prep_for_dist(self, finder, build_isolation): + # type: (PackageFinder, bool) -> None + # Prepare for building. We need to: + # 1. Load pyproject.toml (if it exists) + # 2. Set up the build environment + + self.req.load_pyproject_toml() + should_isolate = self.req.use_pep517 and build_isolation + + def _raise_conflicts(conflicting_with, conflicting_reqs): + raise InstallationError( + "Some build dependencies for %s conflict with %s: %s." % ( + self.req, conflicting_with, ', '.join( + '%s is incompatible with %s' % (installed, wanted) + for installed, wanted in sorted(conflicting)))) + + if should_isolate: + # Isolate in a BuildEnvironment and install the build-time + # requirements. + self.req.build_env = BuildEnvironment() + self.req.build_env.install_requirements( + finder, self.req.pyproject_requires, 'overlay', + "Installing build dependencies" + ) + conflicting, missing = self.req.build_env.check_requirements( + self.req.requirements_to_check + ) + if conflicting: + _raise_conflicts("PEP 517/518 supported requirements", + conflicting) + if missing: + logger.warning( + "Missing build requirements in pyproject.toml for %s.", + self.req, + ) + logger.warning( + "The project does not specify a build backend, and " + "pip cannot fall back to setuptools without %s.", + " and ".join(map(repr, sorted(missing))) + ) + # Install any extra build dependencies that the backend requests. + # This must be done in a second pass, as the pyproject.toml + # dependencies must be installed before we can call the backend. + with self.req.build_env: + # We need to have the env active when calling the hook. + self.req.spin_message = "Getting requirements to build wheel" + reqs = self.req.pep517_backend.get_requires_for_build_wheel() + conflicting, missing = self.req.build_env.check_requirements(reqs) + if conflicting: + _raise_conflicts("the backend dependencies", conflicting) + self.req.build_env.install_requirements( + finder, missing, 'normal', + "Installing backend dependencies" + ) + + self.req.prepare_metadata() + self.req.assert_source_matches_version() + + +class Installed(DistAbstraction): + + def dist(self): + # type: () -> pkg_resources.Distribution + return self.req.satisfied_by + + def prep_for_dist(self, finder, build_isolation): + # type: (PackageFinder, bool) -> Any + pass + + +class RequirementPreparer(object): + """Prepares a Requirement + """ + + def __init__( + self, + build_dir, # type: str + download_dir, # type: Optional[str] + src_dir, # type: str + wheel_download_dir, # type: Optional[str] + progress_bar, # type: str + build_isolation, # type: bool + req_tracker # type: RequirementTracker + ): + # type: (...) -> None + super(RequirementPreparer, self).__init__() + + self.src_dir = src_dir + self.build_dir = build_dir + self.req_tracker = req_tracker + + # Where still packed archives should be written to. If None, they are + # not saved, and are deleted immediately after unpacking. + self.download_dir = download_dir + + # Where still-packed .whl files should be written to. If None, they are + # written to the download_dir parameter. Separate to download_dir to + # permit only keeping wheel archives for pip wheel. + if wheel_download_dir: + wheel_download_dir = normalize_path(wheel_download_dir) + self.wheel_download_dir = wheel_download_dir + + # NOTE + # download_dir and wheel_download_dir overlap semantically and may + # be combined if we're willing to have non-wheel archives present in + # the wheelhouse output by 'pip wheel'. + + self.progress_bar = progress_bar + + # Is build isolation allowed? + self.build_isolation = build_isolation + + @property + def _download_should_save(self): + # type: () -> bool + # TODO: Modify to reduce indentation needed + if self.download_dir: + self.download_dir = expanduser(self.download_dir) + if os.path.exists(self.download_dir): + return True + else: + logger.critical('Could not find download directory') + raise InstallationError( + "Could not find or access download directory '%s'" + % display_path(self.download_dir)) + return False + + def prepare_linked_requirement( + self, + req, # type: InstallRequirement + session, # type: PipSession + finder, # type: PackageFinder + upgrade_allowed, # type: bool + require_hashes # type: bool + ): + # type: (...) -> DistAbstraction + """Prepare a requirement that would be obtained from req.link + """ + # TODO: Breakup into smaller functions + if req.link and req.link.scheme == 'file': + path = url_to_path(req.link.url) + logger.info('Processing %s', display_path(path)) + else: + logger.info('Collecting %s', req) + + with indent_log(): + # @@ if filesystem packages are not marked + # editable in a req, a non deterministic error + # occurs when the script attempts to unpack the + # build directory + req.ensure_has_source_dir(self.build_dir) + # If a checkout exists, it's unwise to keep going. version + # inconsistencies are logged later, but do not fail the + # installation. + # FIXME: this won't upgrade when there's an existing + # package unpacked in `req.source_dir` + # package unpacked in `req.source_dir` + if os.path.exists(os.path.join(req.source_dir, 'setup.py')): + raise PreviousBuildDirError( + "pip can't proceed with requirements '%s' due to a" + " pre-existing build directory (%s). This is " + "likely due to a previous installation that failed" + ". pip is being responsible and not assuming it " + "can delete this. Please delete it and try again." + % (req, req.source_dir) + ) + req.populate_link(finder, upgrade_allowed, require_hashes) + + # We can't hit this spot and have populate_link return None. + # req.satisfied_by is None here (because we're + # guarded) and upgrade has no impact except when satisfied_by + # is not None. + # Then inside find_requirement existing_applicable -> False + # If no new versions are found, DistributionNotFound is raised, + # otherwise a result is guaranteed. + assert req.link + link = req.link + + # Now that we have the real link, we can tell what kind of + # requirements we have and raise some more informative errors + # than otherwise. (For example, we can raise VcsHashUnsupported + # for a VCS URL rather than HashMissing.) + if require_hashes: + # We could check these first 2 conditions inside + # unpack_url and save repetition of conditions, but then + # we would report less-useful error messages for + # unhashable requirements, complaining that there's no + # hash provided. + if is_vcs_url(link): + raise VcsHashUnsupported() + elif is_file_url(link) and is_dir_url(link): + raise DirectoryUrlHashUnsupported() + if not req.original_link and not req.is_pinned: + # Unpinned packages are asking for trouble when a new + # version is uploaded. This isn't a security check, but + # it saves users a surprising hash mismatch in the + # future. + # + # file:/// URLs aren't pinnable, so don't complain + # about them not being pinned. + raise HashUnpinned() + + hashes = req.hashes(trust_internet=not require_hashes) + if require_hashes and not hashes: + # Known-good hashes are missing for this requirement, so + # shim it with a facade object that will provoke hash + # computation and then raise a HashMissing exception + # showing the user what the hash should be. + hashes = MissingHashes() + + try: + download_dir = self.download_dir + # We always delete unpacked sdists after pip ran. + autodelete_unpacked = True + if req.link.is_wheel and self.wheel_download_dir: + # when doing 'pip wheel` we download wheels to a + # dedicated dir. + download_dir = self.wheel_download_dir + if req.link.is_wheel: + if download_dir: + # When downloading, we only unpack wheels to get + # metadata. + autodelete_unpacked = True + else: + # When installing a wheel, we use the unpacked + # wheel. + autodelete_unpacked = False + unpack_url( + req.link, req.source_dir, + download_dir, autodelete_unpacked, + session=session, hashes=hashes, + progress_bar=self.progress_bar + ) + except requests.HTTPError as exc: + logger.critical( + 'Could not install requirement %s because of error %s', + req, + exc, + ) + raise InstallationError( + 'Could not install requirement %s because of HTTP ' + 'error %s for URL %s' % + (req, exc, req.link) + ) + abstract_dist = make_abstract_dist(req) + with self.req_tracker.track(req): + abstract_dist.prep_for_dist(finder, self.build_isolation) + if self._download_should_save: + # Make a .zip of the source_dir we already created. + if req.link.scheme in vcs.all_schemes: + req.archive(self.download_dir) + return abstract_dist + + def prepare_editable_requirement( + self, + req, # type: InstallRequirement + require_hashes, # type: bool + use_user_site, # type: bool + finder # type: PackageFinder + ): + # type: (...) -> DistAbstraction + """Prepare an editable requirement + """ + assert req.editable, "cannot prepare a non-editable req as editable" + + logger.info('Obtaining %s', req) + + with indent_log(): + if require_hashes: + raise InstallationError( + 'The editable requirement %s cannot be installed when ' + 'requiring hashes, because there is no single file to ' + 'hash.' % req + ) + req.ensure_has_source_dir(self.src_dir) + req.update_editable(not self._download_should_save) + + abstract_dist = make_abstract_dist(req) + with self.req_tracker.track(req): + abstract_dist.prep_for_dist(finder, self.build_isolation) + + if self._download_should_save: + req.archive(self.download_dir) + req.check_if_exists(use_user_site) + + return abstract_dist + + def prepare_installed_requirement(self, req, require_hashes, skip_reason): + # type: (InstallRequirement, bool, Optional[str]) -> DistAbstraction + """Prepare an already-installed requirement + """ + assert req.satisfied_by, "req should have been satisfied but isn't" + assert skip_reason is not None, ( + "did not get skip reason skipped but req.satisfied_by " + "is set to %r" % (req.satisfied_by,) + ) + logger.info( + 'Requirement %s: %s (%s)', + skip_reason, req, req.satisfied_by.version + ) + with indent_log(): + if require_hashes: + logger.debug( + 'Since it is already installed, we are trusting this ' + 'package without checking its hash. To ensure a ' + 'completely repeatable environment, install into an ' + 'empty virtualenv.' + ) + abstract_dist = Installed(req) + + return abstract_dist diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pep425tags.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pep425tags.py new file mode 100644 index 0000000..1e782d1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pep425tags.py @@ -0,0 +1,381 @@ +"""Generate and work with PEP 425 Compatibility Tags.""" +from __future__ import absolute_import + +import distutils.util +import logging +import platform +import re +import sys +import sysconfig +import warnings +from collections import OrderedDict + +import pip._internal.utils.glibc +from pip._internal.utils.compat import get_extension_suffixes +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Tuple, Callable, List, Optional, Union, Dict + ) + + Pep425Tag = Tuple[str, str, str] + +logger = logging.getLogger(__name__) + +_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)') + + +def get_config_var(var): + # type: (str) -> Optional[str] + try: + return sysconfig.get_config_var(var) + except IOError as e: # Issue #1074 + warnings.warn("{}".format(e), RuntimeWarning) + return None + + +def get_abbr_impl(): + # type: () -> str + """Return abbreviated implementation name.""" + if hasattr(sys, 'pypy_version_info'): + pyimpl = 'pp' + elif sys.platform.startswith('java'): + pyimpl = 'jy' + elif sys.platform == 'cli': + pyimpl = 'ip' + else: + pyimpl = 'cp' + return pyimpl + + +def get_impl_ver(): + # type: () -> str + """Return implementation version.""" + impl_ver = get_config_var("py_version_nodot") + if not impl_ver or get_abbr_impl() == 'pp': + impl_ver = ''.join(map(str, get_impl_version_info())) + return impl_ver + + +def get_impl_version_info(): + # type: () -> Tuple[int, ...] + """Return sys.version_info-like tuple for use in decrementing the minor + version.""" + if get_abbr_impl() == 'pp': + # as per https://github.com/pypa/pip/issues/2882 + # attrs exist only on pypy + return (sys.version_info[0], + sys.pypy_version_info.major, # type: ignore + sys.pypy_version_info.minor) # type: ignore + else: + return sys.version_info[0], sys.version_info[1] + + +def get_impl_tag(): + # type: () -> str + """ + Returns the Tag for this specific implementation. + """ + return "{}{}".format(get_abbr_impl(), get_impl_ver()) + + +def get_flag(var, fallback, expected=True, warn=True): + # type: (str, Callable[..., bool], Union[bool, int], bool) -> bool + """Use a fallback method for determining SOABI flags if the needed config + var is unset or unavailable.""" + val = get_config_var(var) + if val is None: + if warn: + logger.debug("Config variable '%s' is unset, Python ABI tag may " + "be incorrect", var) + return fallback() + return val == expected + + +def get_abi_tag(): + # type: () -> Optional[str] + """Return the ABI tag based on SOABI (if available) or emulate SOABI + (CPython 2, PyPy).""" + soabi = get_config_var('SOABI') + impl = get_abbr_impl() + if not soabi and impl in {'cp', 'pp'} and hasattr(sys, 'maxunicode'): + d = '' + m = '' + u = '' + if get_flag('Py_DEBUG', + lambda: hasattr(sys, 'gettotalrefcount'), + warn=(impl == 'cp')): + d = 'd' + if get_flag('WITH_PYMALLOC', + lambda: impl == 'cp', + warn=(impl == 'cp')): + m = 'm' + if get_flag('Py_UNICODE_SIZE', + lambda: sys.maxunicode == 0x10ffff, + expected=4, + warn=(impl == 'cp' and + sys.version_info < (3, 3))) \ + and sys.version_info < (3, 3): + u = 'u' + abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u) + elif soabi and soabi.startswith('cpython-'): + abi = 'cp' + soabi.split('-')[1] + elif soabi: + abi = soabi.replace('.', '_').replace('-', '_') + else: + abi = None + return abi + + +def _is_running_32bit(): + # type: () -> bool + return sys.maxsize == 2147483647 + + +def get_platform(): + # type: () -> str + """Return our platform name 'win32', 'linux_x86_64'""" + if sys.platform == 'darwin': + # distutils.util.get_platform() returns the release based on the value + # of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may + # be significantly older than the user's current machine. + release, _, machine = platform.mac_ver() + split_ver = release.split('.') + + if machine == "x86_64" and _is_running_32bit(): + machine = "i386" + elif machine == "ppc64" and _is_running_32bit(): + machine = "ppc" + + return 'macosx_{}_{}_{}'.format(split_ver[0], split_ver[1], machine) + + # XXX remove distutils dependency + result = distutils.util.get_platform().replace('.', '_').replace('-', '_') + if result == "linux_x86_64" and _is_running_32bit(): + # 32 bit Python program (running on a 64 bit Linux): pip should only + # install and run 32 bit compiled extensions in that case. + result = "linux_i686" + + return result + + +def is_manylinux1_compatible(): + # type: () -> bool + # Only Linux, and only x86-64 / i686 + if get_platform() not in {"linux_x86_64", "linux_i686"}: + return False + + # Check for presence of _manylinux module + try: + import _manylinux + return bool(_manylinux.manylinux1_compatible) + except (ImportError, AttributeError): + # Fall through to heuristic check below + pass + + # Check glibc version. CentOS 5 uses glibc 2.5. + return pip._internal.utils.glibc.have_compatible_glibc(2, 5) + + +def is_manylinux2010_compatible(): + # type: () -> bool + # Only Linux, and only x86-64 / i686 + if get_platform() not in {"linux_x86_64", "linux_i686"}: + return False + + # Check for presence of _manylinux module + try: + import _manylinux + return bool(_manylinux.manylinux2010_compatible) + except (ImportError, AttributeError): + # Fall through to heuristic check below + pass + + # Check glibc version. CentOS 6 uses glibc 2.12. + return pip._internal.utils.glibc.have_compatible_glibc(2, 12) + + +def get_darwin_arches(major, minor, machine): + # type: (int, int, str) -> List[str] + """Return a list of supported arches (including group arches) for + the given major, minor and machine architecture of an macOS machine. + """ + arches = [] + + def _supports_arch(major, minor, arch): + # type: (int, int, str) -> bool + # Looking at the application support for macOS versions in the chart + # provided by https://en.wikipedia.org/wiki/OS_X#Versions it appears + # our timeline looks roughly like: + # + # 10.0 - Introduces ppc support. + # 10.4 - Introduces ppc64, i386, and x86_64 support, however the ppc64 + # and x86_64 support is CLI only, and cannot be used for GUI + # applications. + # 10.5 - Extends ppc64 and x86_64 support to cover GUI applications. + # 10.6 - Drops support for ppc64 + # 10.7 - Drops support for ppc + # + # Given that we do not know if we're installing a CLI or a GUI + # application, we must be conservative and assume it might be a GUI + # application and behave as if ppc64 and x86_64 support did not occur + # until 10.5. + # + # Note: The above information is taken from the "Application support" + # column in the chart not the "Processor support" since I believe + # that we care about what instruction sets an application can use + # not which processors the OS supports. + if arch == 'ppc': + return (major, minor) <= (10, 5) + if arch == 'ppc64': + return (major, minor) == (10, 5) + if arch == 'i386': + return (major, minor) >= (10, 4) + if arch == 'x86_64': + return (major, minor) >= (10, 5) + if arch in groups: + for garch in groups[arch]: + if _supports_arch(major, minor, garch): + return True + return False + + groups = OrderedDict([ + ("fat", ("i386", "ppc")), + ("intel", ("x86_64", "i386")), + ("fat64", ("x86_64", "ppc64")), + ("fat32", ("x86_64", "i386", "ppc")), + ]) # type: Dict[str, Tuple[str, ...]] + + if _supports_arch(major, minor, machine): + arches.append(machine) + + for garch in groups: + if machine in groups[garch] and _supports_arch(major, minor, garch): + arches.append(garch) + + arches.append('universal') + + return arches + + +def get_all_minor_versions_as_strings(version_info): + # type: (Tuple[int, ...]) -> List[str] + versions = [] + major = version_info[:-1] + # Support all previous minor Python versions. + for minor in range(version_info[-1], -1, -1): + versions.append(''.join(map(str, major + (minor,)))) + return versions + + +def get_supported( + versions=None, # type: Optional[List[str]] + noarch=False, # type: bool + platform=None, # type: Optional[str] + impl=None, # type: Optional[str] + abi=None # type: Optional[str] +): + # type: (...) -> List[Pep425Tag] + """Return a list of supported tags for each version specified in + `versions`. + + :param versions: a list of string versions, of the form ["33", "32"], + or None. The first version will be assumed to support our ABI. + :param platform: specify the exact platform you want valid + tags for, or None. If None, use the local system platform. + :param impl: specify the exact implementation you want valid + tags for, or None. If None, use the local interpreter impl. + :param abi: specify the exact abi you want valid + tags for, or None. If None, use the local interpreter abi. + """ + supported = [] + + # Versions must be given with respect to the preference + if versions is None: + version_info = get_impl_version_info() + versions = get_all_minor_versions_as_strings(version_info) + + impl = impl or get_abbr_impl() + + abis = [] # type: List[str] + + abi = abi or get_abi_tag() + if abi: + abis[0:0] = [abi] + + abi3s = set() + for suffix in get_extension_suffixes(): + if suffix.startswith('.abi'): + abi3s.add(suffix.split('.', 2)[1]) + + abis.extend(sorted(list(abi3s))) + + abis.append('none') + + if not noarch: + arch = platform or get_platform() + arch_prefix, arch_sep, arch_suffix = arch.partition('_') + if arch.startswith('macosx'): + # support macosx-10.6-intel on macosx-10.9-x86_64 + match = _osx_arch_pat.match(arch) + if match: + name, major, minor, actual_arch = match.groups() + tpl = '{}_{}_%i_%s'.format(name, major) + arches = [] + for m in reversed(range(int(minor) + 1)): + for a in get_darwin_arches(int(major), m, actual_arch): + arches.append(tpl % (m, a)) + else: + # arch pattern didn't match (?!) + arches = [arch] + elif arch_prefix == 'manylinux2010': + # manylinux1 wheels run on most manylinux2010 systems with the + # exception of wheels depending on ncurses. PEP 571 states + # manylinux1 wheels should be considered manylinux2010 wheels: + # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels + arches = [arch, 'manylinux1' + arch_sep + arch_suffix] + elif platform is None: + arches = [] + if is_manylinux2010_compatible(): + arches.append('manylinux2010' + arch_sep + arch_suffix) + if is_manylinux1_compatible(): + arches.append('manylinux1' + arch_sep + arch_suffix) + arches.append(arch) + else: + arches = [arch] + + # Current version, current API (built specifically for our Python): + for abi in abis: + for arch in arches: + supported.append(('%s%s' % (impl, versions[0]), abi, arch)) + + # abi3 modules compatible with older version of Python + for version in versions[1:]: + # abi3 was introduced in Python 3.2 + if version in {'31', '30'}: + break + for abi in abi3s: # empty set if not Python 3 + for arch in arches: + supported.append(("%s%s" % (impl, version), abi, arch)) + + # Has binaries, does not use the Python API: + for arch in arches: + supported.append(('py%s' % (versions[0][0]), 'none', arch)) + + # No abi / arch, but requires our implementation: + supported.append(('%s%s' % (impl, versions[0]), 'none', 'any')) + # Tagged specifically as being cross-version compatible + # (with just the major version specified) + supported.append(('%s%s' % (impl, versions[0][0]), 'none', 'any')) + + # No abi / arch, generic Python + for i, version in enumerate(versions): + supported.append(('py%s' % (version,), 'none', 'any')) + if i == 0: + supported.append(('py%s' % (version[0]), 'none', 'any')) + + return supported + + +implementation_tag = get_impl_tag() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pyproject.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pyproject.py new file mode 100644 index 0000000..8d739a6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/pyproject.py @@ -0,0 +1,171 @@ +from __future__ import absolute_import + +import io +import os +import sys + +from pip._vendor import pytoml, six + +from pip._internal.exceptions import InstallationError +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Any, Tuple, Optional, List # noqa: F401 + + +def _is_list_of_str(obj): + # type: (Any) -> bool + return ( + isinstance(obj, list) and + all(isinstance(item, six.string_types) for item in obj) + ) + + +def make_pyproject_path(setup_py_dir): + # type: (str) -> str + path = os.path.join(setup_py_dir, 'pyproject.toml') + + # Python2 __file__ should not be unicode + if six.PY2 and isinstance(path, six.text_type): + path = path.encode(sys.getfilesystemencoding()) + + return path + + +def load_pyproject_toml( + use_pep517, # type: Optional[bool] + pyproject_toml, # type: str + setup_py, # type: str + req_name # type: str +): + # type: (...) -> Optional[Tuple[List[str], str, List[str]]] + """Load the pyproject.toml file. + + Parameters: + use_pep517 - Has the user requested PEP 517 processing? None + means the user hasn't explicitly specified. + pyproject_toml - Location of the project's pyproject.toml file + setup_py - Location of the project's setup.py file + req_name - The name of the requirement we're processing (for + error reporting) + + Returns: + None if we should use the legacy code path, otherwise a tuple + ( + requirements from pyproject.toml, + name of PEP 517 backend, + requirements we should check are installed after setting + up the build environment + ) + """ + has_pyproject = os.path.isfile(pyproject_toml) + has_setup = os.path.isfile(setup_py) + + if has_pyproject: + with io.open(pyproject_toml, encoding="utf-8") as f: + pp_toml = pytoml.load(f) + build_system = pp_toml.get("build-system") + else: + build_system = None + + # The following cases must use PEP 517 + # We check for use_pep517 being non-None and falsey because that means + # the user explicitly requested --no-use-pep517. The value 0 as + # opposed to False can occur when the value is provided via an + # environment variable or config file option (due to the quirk of + # strtobool() returning an integer in pip's configuration code). + if has_pyproject and not has_setup: + if use_pep517 is not None and not use_pep517: + raise InstallationError( + "Disabling PEP 517 processing is invalid: " + "project does not have a setup.py" + ) + use_pep517 = True + elif build_system and "build-backend" in build_system: + if use_pep517 is not None and not use_pep517: + raise InstallationError( + "Disabling PEP 517 processing is invalid: " + "project specifies a build backend of {} " + "in pyproject.toml".format( + build_system["build-backend"] + ) + ) + use_pep517 = True + + # If we haven't worked out whether to use PEP 517 yet, + # and the user hasn't explicitly stated a preference, + # we do so if the project has a pyproject.toml file. + elif use_pep517 is None: + use_pep517 = has_pyproject + + # At this point, we know whether we're going to use PEP 517. + assert use_pep517 is not None + + # If we're using the legacy code path, there is nothing further + # for us to do here. + if not use_pep517: + return None + + if build_system is None: + # Either the user has a pyproject.toml with no build-system + # section, or the user has no pyproject.toml, but has opted in + # explicitly via --use-pep517. + # In the absence of any explicit backend specification, we + # assume the setuptools backend that most closely emulates the + # traditional direct setup.py execution, and require wheel and + # a version of setuptools that supports that backend. + + build_system = { + "requires": ["setuptools>=40.8.0", "wheel"], + "build-backend": "setuptools.build_meta:__legacy__", + } + + # If we're using PEP 517, we have build system information (either + # from pyproject.toml, or defaulted by the code above). + # Note that at this point, we do not know if the user has actually + # specified a backend, though. + assert build_system is not None + + # Ensure that the build-system section in pyproject.toml conforms + # to PEP 518. + error_template = ( + "{package} has a pyproject.toml file that does not comply " + "with PEP 518: {reason}" + ) + + # Specifying the build-system table but not the requires key is invalid + if "requires" not in build_system: + raise InstallationError( + error_template.format(package=req_name, reason=( + "it has a 'build-system' table but not " + "'build-system.requires' which is mandatory in the table" + )) + ) + + # Error out if requires is not a list of strings + requires = build_system["requires"] + if not _is_list_of_str(requires): + raise InstallationError(error_template.format( + package=req_name, + reason="'build-system.requires' is not a list of strings.", + )) + + backend = build_system.get("build-backend") + check = [] # type: List[str] + if backend is None: + # If the user didn't specify a backend, we assume they want to use + # the setuptools backend. But we can't be sure they have included + # a version of setuptools which supplies the backend, or wheel + # (which is needed by the backend) in their requirements. So we + # make a note to check that those requirements are present once + # we have set up the environment. + # This is quite a lot of work to check for a very specific case. But + # the problem is, that case is potentially quite common - projects that + # adopted PEP 518 early for the ability to specify requirements to + # execute setup.py, but never considered needing to mention the build + # tools themselves. The original PEP 518 code had a similar check (but + # implemented in a different way). + backend = "setuptools.build_meta:__legacy__" + check = ["setuptools>=40.8.0", "wheel"] + + return (requires, backend, check) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/__init__.py new file mode 100644 index 0000000..5e4eb92 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/__init__.py @@ -0,0 +1,77 @@ +from __future__ import absolute_import + +import logging + +from .req_install import InstallRequirement +from .req_set import RequirementSet +from .req_file import parse_requirements +from pip._internal.utils.logging import indent_log +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import List, Sequence # noqa: F401 + +__all__ = [ + "RequirementSet", "InstallRequirement", + "parse_requirements", "install_given_reqs", +] + +logger = logging.getLogger(__name__) + + +def install_given_reqs( + to_install, # type: List[InstallRequirement] + install_options, # type: List[str] + global_options=(), # type: Sequence[str] + *args, **kwargs +): + # type: (...) -> List[InstallRequirement] + """ + Install everything in the given list. + + (to be called after having downloaded and unpacked the packages) + """ + + if to_install: + logger.info( + 'Installing collected packages: %s', + ', '.join([req.name for req in to_install]), + ) + + with indent_log(): + for requirement in to_install: + if requirement.conflicts_with: + logger.info( + 'Found existing installation: %s', + requirement.conflicts_with, + ) + with indent_log(): + uninstalled_pathset = requirement.uninstall( + auto_confirm=True + ) + try: + requirement.install( + install_options, + global_options, + *args, + **kwargs + ) + except Exception: + should_rollback = ( + requirement.conflicts_with and + not requirement.install_succeeded + ) + # if install did not succeed, rollback previous uninstall + if should_rollback: + uninstalled_pathset.rollback() + raise + else: + should_commit = ( + requirement.conflicts_with and + requirement.install_succeeded + ) + if should_commit: + uninstalled_pathset.commit() + requirement.remove_temporary_source() + + return to_install diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/constructors.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/constructors.py new file mode 100644 index 0000000..1eed1dd --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/constructors.py @@ -0,0 +1,339 @@ +"""Backing implementation for InstallRequirement's various constructors + +The idea here is that these formed a major chunk of InstallRequirement's size +so, moving them and support code dedicated to them outside of that class +helps creates for better understandability for the rest of the code. + +These are meant to be used elsewhere within pip to create instances of +InstallRequirement. +""" + +import logging +import os +import re + +from pip._vendor.packaging.markers import Marker +from pip._vendor.packaging.requirements import InvalidRequirement, Requirement +from pip._vendor.packaging.specifiers import Specifier +from pip._vendor.pkg_resources import RequirementParseError, parse_requirements + +from pip._internal.download import ( + is_archive_file, is_url, path_to_url, url_to_path, +) +from pip._internal.exceptions import InstallationError +from pip._internal.models.index import PyPI, TestPyPI +from pip._internal.models.link import Link +from pip._internal.pyproject import make_pyproject_path +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.misc import is_installable_dir +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.vcs import vcs +from pip._internal.wheel import Wheel + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Optional, Tuple, Set, Any, Union, Text, Dict, + ) + from pip._internal.cache import WheelCache # noqa: F401 + + +__all__ = [ + "install_req_from_editable", "install_req_from_line", + "parse_editable" +] + +logger = logging.getLogger(__name__) +operators = Specifier._operators.keys() + + +def _strip_extras(path): + # type: (str) -> Tuple[str, Optional[str]] + m = re.match(r'^(.+)(\[[^\]]+\])$', path) + extras = None + if m: + path_no_extras = m.group(1) + extras = m.group(2) + else: + path_no_extras = path + + return path_no_extras, extras + + +def parse_editable(editable_req): + # type: (str) -> Tuple[Optional[str], str, Optional[Set[str]]] + """Parses an editable requirement into: + - a requirement name + - an URL + - extras + - editable options + Accepted requirements: + svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir + .[some_extra] + """ + + url = editable_req + + # If a file path is specified with extras, strip off the extras. + url_no_extras, extras = _strip_extras(url) + + if os.path.isdir(url_no_extras): + if not os.path.exists(os.path.join(url_no_extras, 'setup.py')): + msg = ( + 'File "setup.py" not found. Directory cannot be installed ' + 'in editable mode: {}'.format(os.path.abspath(url_no_extras)) + ) + pyproject_path = make_pyproject_path(url_no_extras) + if os.path.isfile(pyproject_path): + msg += ( + '\n(A "pyproject.toml" file was found, but editable ' + 'mode currently requires a setup.py based build.)' + ) + raise InstallationError(msg) + + # Treating it as code that has already been checked out + url_no_extras = path_to_url(url_no_extras) + + if url_no_extras.lower().startswith('file:'): + package_name = Link(url_no_extras).egg_fragment + if extras: + return ( + package_name, + url_no_extras, + Requirement("placeholder" + extras.lower()).extras, + ) + else: + return package_name, url_no_extras, None + + for version_control in vcs: + if url.lower().startswith('%s:' % version_control): + url = '%s+%s' % (version_control, url) + break + + if '+' not in url: + raise InstallationError( + '%s should either be a path to a local project or a VCS url ' + 'beginning with svn+, git+, hg+, or bzr+' % + editable_req + ) + + vc_type = url.split('+', 1)[0].lower() + + if not vcs.get_backend(vc_type): + error_message = 'For --editable=%s only ' % editable_req + \ + ', '.join([backend.name + '+URL' for backend in vcs.backends]) + \ + ' is currently supported' + raise InstallationError(error_message) + + package_name = Link(url).egg_fragment + if not package_name: + raise InstallationError( + "Could not detect requirement name for '%s', please specify one " + "with #egg=your_package_name" % editable_req + ) + return package_name, url, None + + +def deduce_helpful_msg(req): + # type: (str) -> str + """Returns helpful msg in case requirements file does not exist, + or cannot be parsed. + + :params req: Requirements file path + """ + msg = "" + if os.path.exists(req): + msg = " It does exist." + # Try to parse and check if it is a requirements file. + try: + with open(req, 'r') as fp: + # parse first line only + next(parse_requirements(fp.read())) + msg += " The argument you provided " + \ + "(%s) appears to be a" % (req) + \ + " requirements file. If that is the" + \ + " case, use the '-r' flag to install" + \ + " the packages specified within it." + except RequirementParseError: + logger.debug("Cannot parse '%s' as requirements \ + file" % (req), exc_info=True) + else: + msg += " File '%s' does not exist." % (req) + return msg + + +# ---- The actual constructors follow ---- + + +def install_req_from_editable( + editable_req, # type: str + comes_from=None, # type: Optional[str] + use_pep517=None, # type: Optional[bool] + isolated=False, # type: bool + options=None, # type: Optional[Dict[str, Any]] + wheel_cache=None, # type: Optional[WheelCache] + constraint=False # type: bool +): + # type: (...) -> InstallRequirement + name, url, extras_override = parse_editable(editable_req) + if url.startswith('file:'): + source_dir = url_to_path(url) + else: + source_dir = None + + if name is not None: + try: + req = Requirement(name) + except InvalidRequirement: + raise InstallationError("Invalid requirement: '%s'" % name) + else: + req = None + return InstallRequirement( + req, comes_from, source_dir=source_dir, + editable=True, + link=Link(url), + constraint=constraint, + use_pep517=use_pep517, + isolated=isolated, + options=options if options else {}, + wheel_cache=wheel_cache, + extras=extras_override or (), + ) + + +def install_req_from_line( + name, # type: str + comes_from=None, # type: Optional[Union[str, InstallRequirement]] + use_pep517=None, # type: Optional[bool] + isolated=False, # type: bool + options=None, # type: Optional[Dict[str, Any]] + wheel_cache=None, # type: Optional[WheelCache] + constraint=False # type: bool +): + # type: (...) -> InstallRequirement + """Creates an InstallRequirement from a name, which might be a + requirement, directory containing 'setup.py', filename, or URL. + """ + if is_url(name): + marker_sep = '; ' + else: + marker_sep = ';' + if marker_sep in name: + name, markers_as_string = name.split(marker_sep, 1) + markers_as_string = markers_as_string.strip() + if not markers_as_string: + markers = None + else: + markers = Marker(markers_as_string) + else: + markers = None + name = name.strip() + req_as_string = None + path = os.path.normpath(os.path.abspath(name)) + link = None + extras_as_string = None + + if is_url(name): + link = Link(name) + else: + p, extras_as_string = _strip_extras(path) + looks_like_dir = os.path.isdir(p) and ( + os.path.sep in name or + (os.path.altsep is not None and os.path.altsep in name) or + name.startswith('.') + ) + if looks_like_dir: + if not is_installable_dir(p): + raise InstallationError( + "Directory %r is not installable. Neither 'setup.py' " + "nor 'pyproject.toml' found." % name + ) + link = Link(path_to_url(p)) + elif is_archive_file(p): + if not os.path.isfile(p): + logger.warning( + 'Requirement %r looks like a filename, but the ' + 'file does not exist', + name + ) + link = Link(path_to_url(p)) + + # it's a local file, dir, or url + if link: + # Handle relative file URLs + if link.scheme == 'file' and re.search(r'\.\./', link.url): + link = Link( + path_to_url(os.path.normpath(os.path.abspath(link.path)))) + # wheel file + if link.is_wheel: + wheel = Wheel(link.filename) # can raise InvalidWheelFilename + req_as_string = "%s==%s" % (wheel.name, wheel.version) + else: + # set the req to the egg fragment. when it's not there, this + # will become an 'unnamed' requirement + req_as_string = link.egg_fragment + + # a requirement specifier + else: + req_as_string = name + + if extras_as_string: + extras = Requirement("placeholder" + extras_as_string.lower()).extras + else: + extras = () + if req_as_string is not None: + try: + req = Requirement(req_as_string) + except InvalidRequirement: + if os.path.sep in req_as_string: + add_msg = "It looks like a path." + add_msg += deduce_helpful_msg(req_as_string) + elif ('=' in req_as_string and + not any(op in req_as_string for op in operators)): + add_msg = "= is not a valid operator. Did you mean == ?" + else: + add_msg = "" + raise InstallationError( + "Invalid requirement: '%s'\n%s" % (req_as_string, add_msg) + ) + else: + req = None + + return InstallRequirement( + req, comes_from, link=link, markers=markers, + use_pep517=use_pep517, isolated=isolated, + options=options if options else {}, + wheel_cache=wheel_cache, + constraint=constraint, + extras=extras, + ) + + +def install_req_from_req_string( + req_string, # type: str + comes_from=None, # type: Optional[InstallRequirement] + isolated=False, # type: bool + wheel_cache=None, # type: Optional[WheelCache] + use_pep517=None # type: Optional[bool] +): + # type: (...) -> InstallRequirement + try: + req = Requirement(req_string) + except InvalidRequirement: + raise InstallationError("Invalid requirement: '%s'" % req) + + domains_not_allowed = [ + PyPI.file_storage_domain, + TestPyPI.file_storage_domain, + ] + if req.url and comes_from.link.netloc in domains_not_allowed: + # Explicitly disallow pypi packages that depend on external urls + raise InstallationError( + "Packages installed from PyPI cannot depend on packages " + "which are not also hosted on PyPI.\n" + "%s depends on %s " % (comes_from.name, req) + ) + + return InstallRequirement( + req, comes_from, isolated=isolated, wheel_cache=wheel_cache, + use_pep517=use_pep517 + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_file.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_file.py new file mode 100644 index 0000000..726f2f6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_file.py @@ -0,0 +1,382 @@ +""" +Requirements file parsing +""" + +from __future__ import absolute_import + +import optparse +import os +import re +import shlex +import sys + +from pip._vendor.six.moves import filterfalse +from pip._vendor.six.moves.urllib import parse as urllib_parse + +from pip._internal.cli import cmdoptions +from pip._internal.download import get_file_content +from pip._internal.exceptions import RequirementsFileParseError +from pip._internal.req.constructors import ( + install_req_from_editable, install_req_from_line, +) +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Iterator, Tuple, Optional, List, Callable, Text + ) + from pip._internal.req import InstallRequirement # noqa: F401 + from pip._internal.cache import WheelCache # noqa: F401 + from pip._internal.index import PackageFinder # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + + ReqFileLines = Iterator[Tuple[int, Text]] + +__all__ = ['parse_requirements'] + +SCHEME_RE = re.compile(r'^(http|https|file):', re.I) +COMMENT_RE = re.compile(r'(^|\s)+#.*$') + +# Matches environment variable-style values in '${MY_VARIABLE_1}' with the +# variable name consisting of only uppercase letters, digits or the '_' +# (underscore). This follows the POSIX standard defined in IEEE Std 1003.1, +# 2013 Edition. +ENV_VAR_RE = re.compile(r'(?P\$\{(?P[A-Z0-9_]+)\})') + +SUPPORTED_OPTIONS = [ + cmdoptions.constraints, + cmdoptions.editable, + cmdoptions.requirements, + cmdoptions.no_index, + cmdoptions.index_url, + cmdoptions.find_links, + cmdoptions.extra_index_url, + cmdoptions.always_unzip, + cmdoptions.no_binary, + cmdoptions.only_binary, + cmdoptions.pre, + cmdoptions.trusted_host, + cmdoptions.require_hashes, +] # type: List[Callable[..., optparse.Option]] + +# options to be passed to requirements +SUPPORTED_OPTIONS_REQ = [ + cmdoptions.install_options, + cmdoptions.global_options, + cmdoptions.hash, +] # type: List[Callable[..., optparse.Option]] + +# the 'dest' string values +SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ] + + +def parse_requirements( + filename, # type: str + finder=None, # type: Optional[PackageFinder] + comes_from=None, # type: Optional[str] + options=None, # type: Optional[optparse.Values] + session=None, # type: Optional[PipSession] + constraint=False, # type: bool + wheel_cache=None, # type: Optional[WheelCache] + use_pep517=None # type: Optional[bool] +): + # type: (...) -> Iterator[InstallRequirement] + """Parse a requirements file and yield InstallRequirement instances. + + :param filename: Path or url of requirements file. + :param finder: Instance of pip.index.PackageFinder. + :param comes_from: Origin description of requirements. + :param options: cli options. + :param session: Instance of pip.download.PipSession. + :param constraint: If true, parsing a constraint file rather than + requirements file. + :param wheel_cache: Instance of pip.wheel.WheelCache + :param use_pep517: Value of the --use-pep517 option. + """ + if session is None: + raise TypeError( + "parse_requirements() missing 1 required keyword argument: " + "'session'" + ) + + _, content = get_file_content( + filename, comes_from=comes_from, session=session + ) + + lines_enum = preprocess(content, options) + + for line_number, line in lines_enum: + req_iter = process_line(line, filename, line_number, finder, + comes_from, options, session, wheel_cache, + use_pep517=use_pep517, constraint=constraint) + for req in req_iter: + yield req + + +def preprocess(content, options): + # type: (Text, Optional[optparse.Values]) -> ReqFileLines + """Split, filter, and join lines, and return a line iterator + + :param content: the content of the requirements file + :param options: cli options + """ + lines_enum = enumerate(content.splitlines(), start=1) # type: ReqFileLines + lines_enum = join_lines(lines_enum) + lines_enum = ignore_comments(lines_enum) + lines_enum = skip_regex(lines_enum, options) + lines_enum = expand_env_variables(lines_enum) + return lines_enum + + +def process_line( + line, # type: Text + filename, # type: str + line_number, # type: int + finder=None, # type: Optional[PackageFinder] + comes_from=None, # type: Optional[str] + options=None, # type: Optional[optparse.Values] + session=None, # type: Optional[PipSession] + wheel_cache=None, # type: Optional[WheelCache] + use_pep517=None, # type: Optional[bool] + constraint=False # type: bool +): + # type: (...) -> Iterator[InstallRequirement] + """Process a single requirements line; This can result in creating/yielding + requirements, or updating the finder. + + For lines that contain requirements, the only options that have an effect + are from SUPPORTED_OPTIONS_REQ, and they are scoped to the + requirement. Other options from SUPPORTED_OPTIONS may be present, but are + ignored. + + For lines that do not contain requirements, the only options that have an + effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may + be present, but are ignored. These lines may contain multiple options + (although our docs imply only one is supported), and all our parsed and + affect the finder. + + :param constraint: If True, parsing a constraints file. + :param options: OptionParser options that we may update + """ + parser = build_parser(line) + defaults = parser.get_default_values() + defaults.index_url = None + if finder: + defaults.format_control = finder.format_control + args_str, options_str = break_args_options(line) + # Prior to 2.7.3, shlex cannot deal with unicode entries + if sys.version_info < (2, 7, 3): + # https://github.com/python/mypy/issues/1174 + options_str = options_str.encode('utf8') # type: ignore + # https://github.com/python/mypy/issues/1174 + opts, _ = parser.parse_args( + shlex.split(options_str), defaults) # type: ignore + + # preserve for the nested code path + line_comes_from = '%s %s (line %s)' % ( + '-c' if constraint else '-r', filename, line_number, + ) + + # yield a line requirement + if args_str: + isolated = options.isolated_mode if options else False + if options: + cmdoptions.check_install_build_global(options, opts) + # get the options that apply to requirements + req_options = {} + for dest in SUPPORTED_OPTIONS_REQ_DEST: + if dest in opts.__dict__ and opts.__dict__[dest]: + req_options[dest] = opts.__dict__[dest] + yield install_req_from_line( + args_str, line_comes_from, constraint=constraint, + use_pep517=use_pep517, + isolated=isolated, options=req_options, wheel_cache=wheel_cache + ) + + # yield an editable requirement + elif opts.editables: + isolated = options.isolated_mode if options else False + yield install_req_from_editable( + opts.editables[0], comes_from=line_comes_from, + use_pep517=use_pep517, + constraint=constraint, isolated=isolated, wheel_cache=wheel_cache + ) + + # parse a nested requirements file + elif opts.requirements or opts.constraints: + if opts.requirements: + req_path = opts.requirements[0] + nested_constraint = False + else: + req_path = opts.constraints[0] + nested_constraint = True + # original file is over http + if SCHEME_RE.search(filename): + # do a url join so relative paths work + req_path = urllib_parse.urljoin(filename, req_path) + # original file and nested file are paths + elif not SCHEME_RE.search(req_path): + # do a join so relative paths work + req_path = os.path.join(os.path.dirname(filename), req_path) + # TODO: Why not use `comes_from='-r {} (line {})'` here as well? + parsed_reqs = parse_requirements( + req_path, finder, comes_from, options, session, + constraint=nested_constraint, wheel_cache=wheel_cache + ) + for req in parsed_reqs: + yield req + + # percolate hash-checking option upward + elif opts.require_hashes: + options.require_hashes = opts.require_hashes + + # set finder options + elif finder: + if opts.index_url: + finder.index_urls = [opts.index_url] + if opts.no_index is True: + finder.index_urls = [] + if opts.extra_index_urls: + finder.index_urls.extend(opts.extra_index_urls) + if opts.find_links: + # FIXME: it would be nice to keep track of the source + # of the find_links: support a find-links local path + # relative to a requirements file. + value = opts.find_links[0] + req_dir = os.path.dirname(os.path.abspath(filename)) + relative_to_reqs_file = os.path.join(req_dir, value) + if os.path.exists(relative_to_reqs_file): + value = relative_to_reqs_file + finder.find_links.append(value) + if opts.pre: + finder.allow_all_prereleases = True + if opts.trusted_hosts: + finder.secure_origins.extend( + ("*", host, "*") for host in opts.trusted_hosts) + + +def break_args_options(line): + # type: (Text) -> Tuple[str, Text] + """Break up the line into an args and options string. We only want to shlex + (and then optparse) the options, not the args. args can contain markers + which are corrupted by shlex. + """ + tokens = line.split(' ') + args = [] + options = tokens[:] + for token in tokens: + if token.startswith('-') or token.startswith('--'): + break + else: + args.append(token) + options.pop(0) + return ' '.join(args), ' '.join(options) # type: ignore + + +def build_parser(line): + # type: (Text) -> optparse.OptionParser + """ + Return a parser for parsing requirement lines + """ + parser = optparse.OptionParser(add_help_option=False) + + option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ + for option_factory in option_factories: + option = option_factory() + parser.add_option(option) + + # By default optparse sys.exits on parsing errors. We want to wrap + # that in our own exception. + def parser_exit(self, msg): + # add offending line + msg = 'Invalid requirement: %s\n%s' % (line, msg) + raise RequirementsFileParseError(msg) + # NOTE: mypy disallows assigning to a method + # https://github.com/python/mypy/issues/2427 + parser.exit = parser_exit # type: ignore + + return parser + + +def join_lines(lines_enum): + # type: (ReqFileLines) -> ReqFileLines + """Joins a line ending in '\' with the previous line (except when following + comments). The joined line takes on the index of the first line. + """ + primary_line_number = None + new_line = [] # type: List[Text] + for line_number, line in lines_enum: + if not line.endswith('\\') or COMMENT_RE.match(line): + if COMMENT_RE.match(line): + # this ensures comments are always matched later + line = ' ' + line + if new_line: + new_line.append(line) + yield primary_line_number, ''.join(new_line) + new_line = [] + else: + yield line_number, line + else: + if not new_line: + primary_line_number = line_number + new_line.append(line.strip('\\')) + + # last line contains \ + if new_line: + yield primary_line_number, ''.join(new_line) + + # TODO: handle space after '\'. + + +def ignore_comments(lines_enum): + # type: (ReqFileLines) -> ReqFileLines + """ + Strips comments and filter empty lines. + """ + for line_number, line in lines_enum: + line = COMMENT_RE.sub('', line) + line = line.strip() + if line: + yield line_number, line + + +def skip_regex(lines_enum, options): + # type: (ReqFileLines, Optional[optparse.Values]) -> ReqFileLines + """ + Skip lines that match '--skip-requirements-regex' pattern + + Note: the regex pattern is only built once + """ + skip_regex = options.skip_requirements_regex if options else None + if skip_regex: + pattern = re.compile(skip_regex) + lines_enum = filterfalse(lambda e: pattern.search(e[1]), lines_enum) + return lines_enum + + +def expand_env_variables(lines_enum): + # type: (ReqFileLines) -> ReqFileLines + """Replace all environment variables that can be retrieved via `os.getenv`. + + The only allowed format for environment variables defined in the + requirement file is `${MY_VARIABLE_1}` to ensure two things: + + 1. Strings that contain a `$` aren't accidentally (partially) expanded. + 2. Ensure consistency across platforms for requirement files. + + These points are the result of a discusssion on the `github pull + request #3514 `_. + + Valid characters in variable names follow the `POSIX standard + `_ and are limited + to uppercase letter, digits and the `_` (underscore). + """ + for line_number, line in lines_enum: + for env_var, var_name in ENV_VAR_RE.findall(line): + value = os.getenv(var_name) + if not value: + continue + + line = line.replace(env_var, value) + + yield line_number, line diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_install.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_install.py new file mode 100644 index 0000000..a4834b0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_install.py @@ -0,0 +1,1021 @@ +from __future__ import absolute_import + +import logging +import os +import shutil +import sys +import sysconfig +import zipfile +from distutils.util import change_root + +from pip._vendor import pkg_resources, six +from pip._vendor.packaging.requirements import Requirement +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.packaging.version import Version +from pip._vendor.packaging.version import parse as parse_version +from pip._vendor.pep517.wrappers import Pep517HookCaller + +from pip._internal import wheel +from pip._internal.build_env import NoOpBuildEnvironment +from pip._internal.exceptions import InstallationError +from pip._internal.locations import ( + PIP_DELETE_MARKER_FILENAME, running_under_virtualenv, +) +from pip._internal.models.link import Link +from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path +from pip._internal.req.req_uninstall import UninstallPathSet +from pip._internal.utils.compat import native_str +from pip._internal.utils.hashes import Hashes +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + _make_build_dir, ask_path_exists, backup_dir, call_subprocess, + display_path, dist_in_site_packages, dist_in_usersite, ensure_dir, + get_installed_version, redact_password_from_url, rmtree, +) +from pip._internal.utils.packaging import get_metadata +from pip._internal.utils.setuptools_build import SETUPTOOLS_SHIM +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.utils.ui import open_spinner +from pip._internal.vcs import vcs +from pip._internal.wheel import move_wheel_files + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Optional, Iterable, List, Union, Any, Text, Sequence, Dict + ) + from pip._internal.build_env import BuildEnvironment # noqa: F401 + from pip._internal.cache import WheelCache # noqa: F401 + from pip._internal.index import PackageFinder # noqa: F401 + from pip._vendor.pkg_resources import Distribution # noqa: F401 + from pip._vendor.packaging.specifiers import SpecifierSet # noqa: F401 + from pip._vendor.packaging.markers import Marker # noqa: F401 + + +logger = logging.getLogger(__name__) + + +class InstallRequirement(object): + """ + Represents something that may be installed later on, may have information + about where to fetch the relavant requirement and also contains logic for + installing the said requirement. + """ + + def __init__( + self, + req, # type: Optional[Requirement] + comes_from, # type: Optional[Union[str, InstallRequirement]] + source_dir=None, # type: Optional[str] + editable=False, # type: bool + link=None, # type: Optional[Link] + update=True, # type: bool + markers=None, # type: Optional[Marker] + use_pep517=None, # type: Optional[bool] + isolated=False, # type: bool + options=None, # type: Optional[Dict[str, Any]] + wheel_cache=None, # type: Optional[WheelCache] + constraint=False, # type: bool + extras=() # type: Iterable[str] + ): + # type: (...) -> None + assert req is None or isinstance(req, Requirement), req + self.req = req + self.comes_from = comes_from + self.constraint = constraint + if source_dir is not None: + self.source_dir = os.path.normpath(os.path.abspath(source_dir)) + else: + self.source_dir = None + self.editable = editable + + self._wheel_cache = wheel_cache + if link is None and req and req.url: + # PEP 508 URL requirement + link = Link(req.url) + self.link = self.original_link = link + + if extras: + self.extras = extras + elif req: + self.extras = { + pkg_resources.safe_extra(extra) for extra in req.extras + } + else: + self.extras = set() + if markers is None and req: + markers = req.marker + self.markers = markers + + self._egg_info_path = None # type: Optional[str] + # This holds the pkg_resources.Distribution object if this requirement + # is already available: + self.satisfied_by = None + # This hold the pkg_resources.Distribution object if this requirement + # conflicts with another installed distribution: + self.conflicts_with = None + # Temporary build location + self._temp_build_dir = TempDirectory(kind="req-build") + # Used to store the global directory where the _temp_build_dir should + # have been created. Cf _correct_build_location method. + self._ideal_build_dir = None # type: Optional[str] + # True if the editable should be updated: + self.update = update + # Set to True after successful installation + self.install_succeeded = None # type: Optional[bool] + # UninstallPathSet of uninstalled distribution (for possible rollback) + self.uninstalled_pathset = None + self.options = options if options else {} + # Set to True after successful preparation of this requirement + self.prepared = False + self.is_direct = False + + self.isolated = isolated + self.build_env = NoOpBuildEnvironment() # type: BuildEnvironment + + # For PEP 517, the directory where we request the project metadata + # gets stored. We need this to pass to build_wheel, so the backend + # can ensure that the wheel matches the metadata (see the PEP for + # details). + self.metadata_directory = None # type: Optional[str] + + # The static build requirements (from pyproject.toml) + self.pyproject_requires = None # type: Optional[List[str]] + + # Build requirements that we will check are available + self.requirements_to_check = [] # type: List[str] + + # The PEP 517 backend we should use to build the project + self.pep517_backend = None # type: Optional[Pep517HookCaller] + + # Are we using PEP 517 for this requirement? + # After pyproject.toml has been loaded, the only valid values are True + # and False. Before loading, None is valid (meaning "use the default"). + # Setting an explicit value before loading pyproject.toml is supported, + # but after loading this flag should be treated as read only. + self.use_pep517 = use_pep517 + + def __str__(self): + if self.req: + s = str(self.req) + if self.link: + s += ' from %s' % redact_password_from_url(self.link.url) + elif self.link: + s = redact_password_from_url(self.link.url) + else: + s = '' + if self.satisfied_by is not None: + s += ' in %s' % display_path(self.satisfied_by.location) + if self.comes_from: + if isinstance(self.comes_from, six.string_types): + comes_from = self.comes_from + else: + comes_from = self.comes_from.from_path() + if comes_from: + s += ' (from %s)' % comes_from + return s + + def __repr__(self): + return '<%s object: %s editable=%r>' % ( + self.__class__.__name__, str(self), self.editable) + + def populate_link(self, finder, upgrade, require_hashes): + # type: (PackageFinder, bool, bool) -> None + """Ensure that if a link can be found for this, that it is found. + + Note that self.link may still be None - if Upgrade is False and the + requirement is already installed. + + If require_hashes is True, don't use the wheel cache, because cached + wheels, always built locally, have different hashes than the files + downloaded from the index server and thus throw false hash mismatches. + Furthermore, cached wheels at present have undeterministic contents due + to file modification times. + """ + if self.link is None: + self.link = finder.find_requirement(self, upgrade) + if self._wheel_cache is not None and not require_hashes: + old_link = self.link + self.link = self._wheel_cache.get(self.link, self.name) + if old_link != self.link: + logger.debug('Using cached wheel link: %s', self.link) + + # Things that are valid for all kinds of requirements? + @property + def name(self): + # type: () -> Optional[str] + if self.req is None: + return None + return native_str(pkg_resources.safe_name(self.req.name)) + + @property + def specifier(self): + # type: () -> SpecifierSet + return self.req.specifier + + @property + def is_pinned(self): + # type: () -> bool + """Return whether I am pinned to an exact version. + + For example, some-package==1.2 is pinned; some-package>1.2 is not. + """ + specifiers = self.specifier + return (len(specifiers) == 1 and + next(iter(specifiers)).operator in {'==', '==='}) + + @property + def installed_version(self): + return get_installed_version(self.name) + + def match_markers(self, extras_requested=None): + # type: (Optional[Iterable[str]]) -> bool + if not extras_requested: + # Provide an extra to safely evaluate the markers + # without matching any extra + extras_requested = ('',) + if self.markers is not None: + return any( + self.markers.evaluate({'extra': extra}) + for extra in extras_requested) + else: + return True + + @property + def has_hash_options(self): + # type: () -> bool + """Return whether any known-good hashes are specified as options. + + These activate --require-hashes mode; hashes specified as part of a + URL do not. + + """ + return bool(self.options.get('hashes', {})) + + def hashes(self, trust_internet=True): + # type: (bool) -> Hashes + """Return a hash-comparer that considers my option- and URL-based + hashes to be known-good. + + Hashes in URLs--ones embedded in the requirements file, not ones + downloaded from an index server--are almost peers with ones from + flags. They satisfy --require-hashes (whether it was implicitly or + explicitly activated) but do not activate it. md5 and sha224 are not + allowed in flags, which should nudge people toward good algos. We + always OR all hashes together, even ones from URLs. + + :param trust_internet: Whether to trust URL-based (#md5=...) hashes + downloaded from the internet, as by populate_link() + + """ + good_hashes = self.options.get('hashes', {}).copy() + link = self.link if trust_internet else self.original_link + if link and link.hash: + good_hashes.setdefault(link.hash_name, []).append(link.hash) + return Hashes(good_hashes) + + def from_path(self): + # type: () -> Optional[str] + """Format a nice indicator to show where this "comes from" + """ + if self.req is None: + return None + s = str(self.req) + if self.comes_from: + if isinstance(self.comes_from, six.string_types): + comes_from = self.comes_from + else: + comes_from = self.comes_from.from_path() + if comes_from: + s += '->' + comes_from + return s + + def build_location(self, build_dir): + # type: (str) -> Optional[str] + assert build_dir is not None + if self._temp_build_dir.path is not None: + return self._temp_build_dir.path + if self.req is None: + # for requirement via a path to a directory: the name of the + # package is not available yet so we create a temp directory + # Once run_egg_info will have run, we'll be able + # to fix it via _correct_build_location + # Some systems have /tmp as a symlink which confuses custom + # builds (such as numpy). Thus, we ensure that the real path + # is returned. + self._temp_build_dir.create() + self._ideal_build_dir = build_dir + + return self._temp_build_dir.path + if self.editable: + name = self.name.lower() + else: + name = self.name + # FIXME: Is there a better place to create the build_dir? (hg and bzr + # need this) + if not os.path.exists(build_dir): + logger.debug('Creating directory %s', build_dir) + _make_build_dir(build_dir) + return os.path.join(build_dir, name) + + def _correct_build_location(self): + # type: () -> None + """Move self._temp_build_dir to self._ideal_build_dir/self.req.name + + For some requirements (e.g. a path to a directory), the name of the + package is not available until we run egg_info, so the build_location + will return a temporary directory and store the _ideal_build_dir. + + This is only called by self.run_egg_info to fix the temporary build + directory. + """ + if self.source_dir is not None: + return + assert self.req is not None + assert self._temp_build_dir.path + assert (self._ideal_build_dir is not None and + self._ideal_build_dir.path) # type: ignore + old_location = self._temp_build_dir.path + self._temp_build_dir.path = None + + new_location = self.build_location(self._ideal_build_dir) + if os.path.exists(new_location): + raise InstallationError( + 'A package already exists in %s; please remove it to continue' + % display_path(new_location)) + logger.debug( + 'Moving package %s from %s to new location %s', + self, display_path(old_location), display_path(new_location), + ) + shutil.move(old_location, new_location) + self._temp_build_dir.path = new_location + self._ideal_build_dir = None + self.source_dir = os.path.normpath(os.path.abspath(new_location)) + self._egg_info_path = None + + # Correct the metadata directory, if it exists + if self.metadata_directory: + old_meta = self.metadata_directory + rel = os.path.relpath(old_meta, start=old_location) + new_meta = os.path.join(new_location, rel) + new_meta = os.path.normpath(os.path.abspath(new_meta)) + self.metadata_directory = new_meta + + def remove_temporary_source(self): + # type: () -> None + """Remove the source files from this requirement, if they are marked + for deletion""" + if self.source_dir and os.path.exists( + os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)): + logger.debug('Removing source in %s', self.source_dir) + rmtree(self.source_dir) + self.source_dir = None + self._temp_build_dir.cleanup() + self.build_env.cleanup() + + def check_if_exists(self, use_user_site): + # type: (bool) -> bool + """Find an installed distribution that satisfies or conflicts + with this requirement, and set self.satisfied_by or + self.conflicts_with appropriately. + """ + if self.req is None: + return False + try: + # get_distribution() will resolve the entire list of requirements + # anyway, and we've already determined that we need the requirement + # in question, so strip the marker so that we don't try to + # evaluate it. + no_marker = Requirement(str(self.req)) + no_marker.marker = None + self.satisfied_by = pkg_resources.get_distribution(str(no_marker)) + if self.editable and self.satisfied_by: + self.conflicts_with = self.satisfied_by + # when installing editables, nothing pre-existing should ever + # satisfy + self.satisfied_by = None + return True + except pkg_resources.DistributionNotFound: + return False + except pkg_resources.VersionConflict: + existing_dist = pkg_resources.get_distribution( + self.req.name + ) + if use_user_site: + if dist_in_usersite(existing_dist): + self.conflicts_with = existing_dist + elif (running_under_virtualenv() and + dist_in_site_packages(existing_dist)): + raise InstallationError( + "Will not install to the user site because it will " + "lack sys.path precedence to %s in %s" % + (existing_dist.project_name, existing_dist.location) + ) + else: + self.conflicts_with = existing_dist + return True + + # Things valid for wheels + @property + def is_wheel(self): + # type: () -> bool + if not self.link: + return False + return self.link.is_wheel + + def move_wheel_files( + self, + wheeldir, # type: str + root=None, # type: Optional[str] + home=None, # type: Optional[str] + prefix=None, # type: Optional[str] + warn_script_location=True, # type: bool + use_user_site=False, # type: bool + pycompile=True # type: bool + ): + # type: (...) -> None + move_wheel_files( + self.name, self.req, wheeldir, + user=use_user_site, + home=home, + root=root, + prefix=prefix, + pycompile=pycompile, + isolated=self.isolated, + warn_script_location=warn_script_location, + ) + + # Things valid for sdists + @property + def setup_py_dir(self): + # type: () -> str + return os.path.join( + self.source_dir, + self.link and self.link.subdirectory_fragment or '') + + @property + def setup_py(self): + # type: () -> str + assert self.source_dir, "No source dir for %s" % self + + setup_py = os.path.join(self.setup_py_dir, 'setup.py') + + # Python2 __file__ should not be unicode + if six.PY2 and isinstance(setup_py, six.text_type): + setup_py = setup_py.encode(sys.getfilesystemencoding()) + + return setup_py + + @property + def pyproject_toml(self): + # type: () -> str + assert self.source_dir, "No source dir for %s" % self + + return make_pyproject_path(self.setup_py_dir) + + def load_pyproject_toml(self): + # type: () -> None + """Load the pyproject.toml file. + + After calling this routine, all of the attributes related to PEP 517 + processing for this requirement have been set. In particular, the + use_pep517 attribute can be used to determine whether we should + follow the PEP 517 or legacy (setup.py) code path. + """ + pep517_data = load_pyproject_toml( + self.use_pep517, + self.pyproject_toml, + self.setup_py, + str(self) + ) + + if pep517_data is None: + self.use_pep517 = False + else: + self.use_pep517 = True + requires, backend, check = pep517_data + self.requirements_to_check = check + self.pyproject_requires = requires + self.pep517_backend = Pep517HookCaller(self.setup_py_dir, backend) + + # Use a custom function to call subprocesses + self.spin_message = "" + + def runner(cmd, cwd=None, extra_environ=None): + with open_spinner(self.spin_message) as spinner: + call_subprocess( + cmd, + cwd=cwd, + extra_environ=extra_environ, + show_stdout=False, + spinner=spinner + ) + self.spin_message = "" + + self.pep517_backend._subprocess_runner = runner + + def prepare_metadata(self): + # type: () -> None + """Ensure that project metadata is available. + + Under PEP 517, call the backend hook to prepare the metadata. + Under legacy processing, call setup.py egg-info. + """ + assert self.source_dir + + with indent_log(): + if self.use_pep517: + self.prepare_pep517_metadata() + else: + self.run_egg_info() + + if not self.req: + if isinstance(parse_version(self.metadata["Version"]), Version): + op = "==" + else: + op = "===" + self.req = Requirement( + "".join([ + self.metadata["Name"], + op, + self.metadata["Version"], + ]) + ) + self._correct_build_location() + else: + metadata_name = canonicalize_name(self.metadata["Name"]) + if canonicalize_name(self.req.name) != metadata_name: + logger.warning( + 'Generating metadata for package %s ' + 'produced metadata for project name %s. Fix your ' + '#egg=%s fragments.', + self.name, metadata_name, self.name + ) + self.req = Requirement(metadata_name) + + def prepare_pep517_metadata(self): + # type: () -> None + assert self.pep517_backend is not None + + metadata_dir = os.path.join( + self.setup_py_dir, + 'pip-wheel-metadata' + ) + ensure_dir(metadata_dir) + + with self.build_env: + # Note that Pep517HookCaller implements a fallback for + # prepare_metadata_for_build_wheel, so we don't have to + # consider the possibility that this hook doesn't exist. + backend = self.pep517_backend + self.spin_message = "Preparing wheel metadata" + distinfo_dir = backend.prepare_metadata_for_build_wheel( + metadata_dir + ) + + self.metadata_directory = os.path.join(metadata_dir, distinfo_dir) + + def run_egg_info(self): + # type: () -> None + if self.name: + logger.debug( + 'Running setup.py (path:%s) egg_info for package %s', + self.setup_py, self.name, + ) + else: + logger.debug( + 'Running setup.py (path:%s) egg_info for package from %s', + self.setup_py, self.link, + ) + script = SETUPTOOLS_SHIM % self.setup_py + base_cmd = [sys.executable, '-c', script] + if self.isolated: + base_cmd += ["--no-user-cfg"] + egg_info_cmd = base_cmd + ['egg_info'] + # We can't put the .egg-info files at the root, because then the + # source code will be mistaken for an installed egg, causing + # problems + if self.editable: + egg_base_option = [] # type: List[str] + else: + egg_info_dir = os.path.join(self.setup_py_dir, 'pip-egg-info') + ensure_dir(egg_info_dir) + egg_base_option = ['--egg-base', 'pip-egg-info'] + with self.build_env: + call_subprocess( + egg_info_cmd + egg_base_option, + cwd=self.setup_py_dir, + show_stdout=False, + command_desc='python setup.py egg_info') + + @property + def egg_info_path(self): + # type: () -> str + if self._egg_info_path is None: + if self.editable: + base = self.source_dir + else: + base = os.path.join(self.setup_py_dir, 'pip-egg-info') + filenames = os.listdir(base) + if self.editable: + filenames = [] + for root, dirs, files in os.walk(base): + for dir in vcs.dirnames: + if dir in dirs: + dirs.remove(dir) + # Iterate over a copy of ``dirs``, since mutating + # a list while iterating over it can cause trouble. + # (See https://github.com/pypa/pip/pull/462.) + for dir in list(dirs): + # Don't search in anything that looks like a virtualenv + # environment + if ( + os.path.lexists( + os.path.join(root, dir, 'bin', 'python') + ) or + os.path.exists( + os.path.join( + root, dir, 'Scripts', 'Python.exe' + ) + )): + dirs.remove(dir) + # Also don't search through tests + elif dir == 'test' or dir == 'tests': + dirs.remove(dir) + filenames.extend([os.path.join(root, dir) + for dir in dirs]) + filenames = [f for f in filenames if f.endswith('.egg-info')] + + if not filenames: + raise InstallationError( + "Files/directories not found in %s" % base + ) + # if we have more than one match, we pick the toplevel one. This + # can easily be the case if there is a dist folder which contains + # an extracted tarball for testing purposes. + if len(filenames) > 1: + filenames.sort( + key=lambda x: x.count(os.path.sep) + + (os.path.altsep and x.count(os.path.altsep) or 0) + ) + self._egg_info_path = os.path.join(base, filenames[0]) + return self._egg_info_path + + @property + def metadata(self): + if not hasattr(self, '_metadata'): + self._metadata = get_metadata(self.get_dist()) + + return self._metadata + + def get_dist(self): + # type: () -> Distribution + """Return a pkg_resources.Distribution for this requirement""" + if self.metadata_directory: + base_dir, distinfo = os.path.split(self.metadata_directory) + metadata = pkg_resources.PathMetadata( + base_dir, self.metadata_directory + ) + dist_name = os.path.splitext(distinfo)[0] + typ = pkg_resources.DistInfoDistribution + else: + egg_info = self.egg_info_path.rstrip(os.path.sep) + base_dir = os.path.dirname(egg_info) + metadata = pkg_resources.PathMetadata(base_dir, egg_info) + dist_name = os.path.splitext(os.path.basename(egg_info))[0] + # https://github.com/python/mypy/issues/1174 + typ = pkg_resources.Distribution # type: ignore + + return typ( + base_dir, + project_name=dist_name, + metadata=metadata, + ) + + def assert_source_matches_version(self): + # type: () -> None + assert self.source_dir + version = self.metadata['version'] + if self.req.specifier and version not in self.req.specifier: + logger.warning( + 'Requested %s, but installing version %s', + self, + version, + ) + else: + logger.debug( + 'Source in %s has version %s, which satisfies requirement %s', + display_path(self.source_dir), + version, + self, + ) + + # For both source distributions and editables + def ensure_has_source_dir(self, parent_dir): + # type: (str) -> str + """Ensure that a source_dir is set. + + This will create a temporary build dir if the name of the requirement + isn't known yet. + + :param parent_dir: The ideal pip parent_dir for the source_dir. + Generally src_dir for editables and build_dir for sdists. + :return: self.source_dir + """ + if self.source_dir is None: + self.source_dir = self.build_location(parent_dir) + return self.source_dir + + # For editable installations + def install_editable( + self, + install_options, # type: List[str] + global_options=(), # type: Sequence[str] + prefix=None # type: Optional[str] + ): + # type: (...) -> None + logger.info('Running setup.py develop for %s', self.name) + + if self.isolated: + global_options = list(global_options) + ["--no-user-cfg"] + + if prefix: + prefix_param = ['--prefix={}'.format(prefix)] + install_options = list(install_options) + prefix_param + + with indent_log(): + # FIXME: should we do --install-headers here too? + with self.build_env: + call_subprocess( + [ + sys.executable, + '-c', + SETUPTOOLS_SHIM % self.setup_py + ] + + list(global_options) + + ['develop', '--no-deps'] + + list(install_options), + + cwd=self.setup_py_dir, + show_stdout=False, + ) + + self.install_succeeded = True + + def update_editable(self, obtain=True): + # type: (bool) -> None + if not self.link: + logger.debug( + "Cannot update repository at %s; repository location is " + "unknown", + self.source_dir, + ) + return + assert self.editable + assert self.source_dir + if self.link.scheme == 'file': + # Static paths don't get updated + return + assert '+' in self.link.url, "bad url: %r" % self.link.url + if not self.update: + return + vc_type, url = self.link.url.split('+', 1) + backend = vcs.get_backend(vc_type) + if backend: + vcs_backend = backend(self.link.url) + if obtain: + vcs_backend.obtain(self.source_dir) + else: + vcs_backend.export(self.source_dir) + else: + assert 0, ( + 'Unexpected version control type (in %s): %s' + % (self.link, vc_type)) + + # Top-level Actions + def uninstall(self, auto_confirm=False, verbose=False, + use_user_site=False): + # type: (bool, bool, bool) -> Optional[UninstallPathSet] + """ + Uninstall the distribution currently satisfying this requirement. + + Prompts before removing or modifying files unless + ``auto_confirm`` is True. + + Refuses to delete or modify files outside of ``sys.prefix`` - + thus uninstallation within a virtual environment can only + modify that virtual environment, even if the virtualenv is + linked to global site-packages. + + """ + if not self.check_if_exists(use_user_site): + logger.warning("Skipping %s as it is not installed.", self.name) + return None + dist = self.satisfied_by or self.conflicts_with + + uninstalled_pathset = UninstallPathSet.from_dist(dist) + uninstalled_pathset.remove(auto_confirm, verbose) + return uninstalled_pathset + + def _clean_zip_name(self, name, prefix): # only used by archive. + assert name.startswith(prefix + os.path.sep), ( + "name %r doesn't start with prefix %r" % (name, prefix) + ) + name = name[len(prefix) + 1:] + name = name.replace(os.path.sep, '/') + return name + + def _get_archive_name(self, path, parentdir, rootdir): + # type: (str, str, str) -> str + path = os.path.join(parentdir, path) + name = self._clean_zip_name(path, rootdir) + return self.name + '/' + name + + # TODO: Investigate if this should be kept in InstallRequirement + # Seems to be used only when VCS + downloads + def archive(self, build_dir): + # type: (str) -> None + assert self.source_dir + create_archive = True + archive_name = '%s-%s.zip' % (self.name, self.metadata["version"]) + archive_path = os.path.join(build_dir, archive_name) + if os.path.exists(archive_path): + response = ask_path_exists( + 'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)bort ' % + display_path(archive_path), ('i', 'w', 'b', 'a')) + if response == 'i': + create_archive = False + elif response == 'w': + logger.warning('Deleting %s', display_path(archive_path)) + os.remove(archive_path) + elif response == 'b': + dest_file = backup_dir(archive_path) + logger.warning( + 'Backing up %s to %s', + display_path(archive_path), + display_path(dest_file), + ) + shutil.move(archive_path, dest_file) + elif response == 'a': + sys.exit(-1) + if create_archive: + zip = zipfile.ZipFile( + archive_path, 'w', zipfile.ZIP_DEFLATED, + allowZip64=True + ) + dir = os.path.normcase(os.path.abspath(self.setup_py_dir)) + for dirpath, dirnames, filenames in os.walk(dir): + if 'pip-egg-info' in dirnames: + dirnames.remove('pip-egg-info') + for dirname in dirnames: + dir_arcname = self._get_archive_name(dirname, + parentdir=dirpath, + rootdir=dir) + zipdir = zipfile.ZipInfo(dir_arcname + '/') + zipdir.external_attr = 0x1ED << 16 # 0o755 + zip.writestr(zipdir, '') + for filename in filenames: + if filename == PIP_DELETE_MARKER_FILENAME: + continue + file_arcname = self._get_archive_name(filename, + parentdir=dirpath, + rootdir=dir) + filename = os.path.join(dirpath, filename) + zip.write(filename, file_arcname) + zip.close() + logger.info('Saved %s', display_path(archive_path)) + + def install( + self, + install_options, # type: List[str] + global_options=None, # type: Optional[Sequence[str]] + root=None, # type: Optional[str] + home=None, # type: Optional[str] + prefix=None, # type: Optional[str] + warn_script_location=True, # type: bool + use_user_site=False, # type: bool + pycompile=True # type: bool + ): + # type: (...) -> None + global_options = global_options if global_options is not None else [] + if self.editable: + self.install_editable( + install_options, global_options, prefix=prefix, + ) + return + if self.is_wheel: + version = wheel.wheel_version(self.source_dir) + wheel.check_compatibility(version, self.name) + + self.move_wheel_files( + self.source_dir, root=root, prefix=prefix, home=home, + warn_script_location=warn_script_location, + use_user_site=use_user_site, pycompile=pycompile, + ) + self.install_succeeded = True + return + + # Extend the list of global and install options passed on to + # the setup.py call with the ones from the requirements file. + # Options specified in requirements file override those + # specified on the command line, since the last option given + # to setup.py is the one that is used. + global_options = list(global_options) + \ + self.options.get('global_options', []) + install_options = list(install_options) + \ + self.options.get('install_options', []) + + if self.isolated: + # https://github.com/python/mypy/issues/1174 + global_options = global_options + ["--no-user-cfg"] # type: ignore + + with TempDirectory(kind="record") as temp_dir: + record_filename = os.path.join(temp_dir.path, 'install-record.txt') + install_args = self.get_install_args( + global_options, record_filename, root, prefix, pycompile, + ) + msg = 'Running setup.py install for %s' % (self.name,) + with open_spinner(msg) as spinner: + with indent_log(): + with self.build_env: + call_subprocess( + install_args + install_options, + cwd=self.setup_py_dir, + show_stdout=False, + spinner=spinner, + ) + + if not os.path.exists(record_filename): + logger.debug('Record file %s not found', record_filename) + return + self.install_succeeded = True + + def prepend_root(path): + if root is None or not os.path.isabs(path): + return path + else: + return change_root(root, path) + + with open(record_filename) as f: + for line in f: + directory = os.path.dirname(line) + if directory.endswith('.egg-info'): + egg_info_dir = prepend_root(directory) + break + else: + logger.warning( + 'Could not find .egg-info directory in install record' + ' for %s', + self, + ) + # FIXME: put the record somewhere + # FIXME: should this be an error? + return + new_lines = [] + with open(record_filename) as f: + for line in f: + filename = line.strip() + if os.path.isdir(filename): + filename += os.path.sep + new_lines.append( + os.path.relpath(prepend_root(filename), egg_info_dir) + ) + new_lines.sort() + ensure_dir(egg_info_dir) + inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt') + with open(inst_files_path, 'w') as f: + f.write('\n'.join(new_lines) + '\n') + + def get_install_args( + self, + global_options, # type: Sequence[str] + record_filename, # type: str + root, # type: Optional[str] + prefix, # type: Optional[str] + pycompile # type: bool + ): + # type: (...) -> List[str] + install_args = [sys.executable, "-u"] + install_args.append('-c') + install_args.append(SETUPTOOLS_SHIM % self.setup_py) + install_args += list(global_options) + \ + ['install', '--record', record_filename] + install_args += ['--single-version-externally-managed'] + + if root is not None: + install_args += ['--root', root] + if prefix is not None: + install_args += ['--prefix', prefix] + + if pycompile: + install_args += ["--compile"] + else: + install_args += ["--no-compile"] + + if running_under_virtualenv(): + py_ver_str = 'python' + sysconfig.get_python_version() + install_args += ['--install-headers', + os.path.join(sys.prefix, 'include', 'site', + py_ver_str, self.name)] + + return install_args diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_set.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_set.py new file mode 100644 index 0000000..d1410e9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_set.py @@ -0,0 +1,197 @@ +from __future__ import absolute_import + +import logging +from collections import OrderedDict + +from pip._internal.exceptions import InstallationError +from pip._internal.utils.logging import indent_log +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.wheel import Wheel + +if MYPY_CHECK_RUNNING: + from typing import Optional, List, Tuple, Dict, Iterable # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + + +logger = logging.getLogger(__name__) + + +class RequirementSet(object): + + def __init__(self, require_hashes=False, check_supported_wheels=True): + # type: (bool, bool) -> None + """Create a RequirementSet. + """ + + self.requirements = OrderedDict() # type: Dict[str, InstallRequirement] # noqa: E501 + self.require_hashes = require_hashes + self.check_supported_wheels = check_supported_wheels + + # Mapping of alias: real_name + self.requirement_aliases = {} # type: Dict[str, str] + self.unnamed_requirements = [] # type: List[InstallRequirement] + self.successfully_downloaded = [] # type: List[InstallRequirement] + self.reqs_to_cleanup = [] # type: List[InstallRequirement] + + def __str__(self): + reqs = [req for req in self.requirements.values() + if not req.comes_from] + reqs.sort(key=lambda req: req.name.lower()) + return ' '.join([str(req.req) for req in reqs]) + + def __repr__(self): + reqs = [req for req in self.requirements.values()] + reqs.sort(key=lambda req: req.name.lower()) + reqs_str = ', '.join([str(req.req) for req in reqs]) + return ('<%s object; %d requirement(s): %s>' + % (self.__class__.__name__, len(reqs), reqs_str)) + + def add_requirement( + self, + install_req, # type: InstallRequirement + parent_req_name=None, # type: Optional[str] + extras_requested=None # type: Optional[Iterable[str]] + ): + # type: (...) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]] # noqa: E501 + """Add install_req as a requirement to install. + + :param parent_req_name: The name of the requirement that needed this + added. The name is used because when multiple unnamed requirements + resolve to the same name, we could otherwise end up with dependency + links that point outside the Requirements set. parent_req must + already be added. Note that None implies that this is a user + supplied requirement, vs an inferred one. + :param extras_requested: an iterable of extras used to evaluate the + environment markers. + :return: Additional requirements to scan. That is either [] if + the requirement is not applicable, or [install_req] if the + requirement is applicable and has just been added. + """ + name = install_req.name + + # If the markers do not match, ignore this requirement. + if not install_req.match_markers(extras_requested): + logger.info( + "Ignoring %s: markers '%s' don't match your environment", + name, install_req.markers, + ) + return [], None + + # If the wheel is not supported, raise an error. + # Should check this after filtering out based on environment markers to + # allow specifying different wheels based on the environment/OS, in a + # single requirements file. + if install_req.link and install_req.link.is_wheel: + wheel = Wheel(install_req.link.filename) + if self.check_supported_wheels and not wheel.supported(): + raise InstallationError( + "%s is not a supported wheel on this platform." % + wheel.filename + ) + + # This next bit is really a sanity check. + assert install_req.is_direct == (parent_req_name is None), ( + "a direct req shouldn't have a parent and also, " + "a non direct req should have a parent" + ) + + # Unnamed requirements are scanned again and the requirement won't be + # added as a dependency until after scanning. + if not name: + # url or path requirement w/o an egg fragment + self.unnamed_requirements.append(install_req) + return [install_req], None + + try: + existing_req = self.get_requirement(name) + except KeyError: + existing_req = None + + has_conflicting_requirement = ( + parent_req_name is None and + existing_req and + not existing_req.constraint and + existing_req.extras == install_req.extras and + existing_req.req.specifier != install_req.req.specifier + ) + if has_conflicting_requirement: + raise InstallationError( + "Double requirement given: %s (already in %s, name=%r)" + % (install_req, existing_req, name) + ) + + # When no existing requirement exists, add the requirement as a + # dependency and it will be scanned again after. + if not existing_req: + self.requirements[name] = install_req + # FIXME: what about other normalizations? E.g., _ vs. -? + if name.lower() != name: + self.requirement_aliases[name.lower()] = name + # We'd want to rescan this requirements later + return [install_req], install_req + + # Assume there's no need to scan, and that we've already + # encountered this for scanning. + if install_req.constraint or not existing_req.constraint: + return [], existing_req + + does_not_satisfy_constraint = ( + install_req.link and + not ( + existing_req.link and + install_req.link.path == existing_req.link.path + ) + ) + if does_not_satisfy_constraint: + self.reqs_to_cleanup.append(install_req) + raise InstallationError( + "Could not satisfy constraints for '%s': " + "installation from path or url cannot be " + "constrained to a version" % name, + ) + # If we're now installing a constraint, mark the existing + # object for real installation. + existing_req.constraint = False + existing_req.extras = tuple(sorted( + set(existing_req.extras) | set(install_req.extras) + )) + logger.debug( + "Setting %s extras to: %s", + existing_req, existing_req.extras, + ) + # Return the existing requirement for addition to the parent and + # scanning again. + return [existing_req], existing_req + + def has_requirement(self, project_name): + # type: (str) -> bool + name = project_name.lower() + if (name in self.requirements and + not self.requirements[name].constraint or + name in self.requirement_aliases and + not self.requirements[self.requirement_aliases[name]].constraint): + return True + return False + + @property + def has_requirements(self): + # type: () -> List[InstallRequirement] + return list(req for req in self.requirements.values() if not + req.constraint) or self.unnamed_requirements + + def get_requirement(self, project_name): + # type: (str) -> InstallRequirement + for name in project_name, project_name.lower(): + if name in self.requirements: + return self.requirements[name] + if name in self.requirement_aliases: + return self.requirements[self.requirement_aliases[name]] + raise KeyError("No project with the name %r" % project_name) + + def cleanup_files(self): + # type: () -> None + """Clean up files, remove builds.""" + logger.debug('Cleaning up...') + with indent_log(): + for req in self.reqs_to_cleanup: + req.remove_temporary_source() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py new file mode 100644 index 0000000..82e084a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py @@ -0,0 +1,88 @@ +from __future__ import absolute_import + +import contextlib +import errno +import hashlib +import logging +import os + +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Set, Iterator # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + from pip._internal.models.link import Link # noqa: F401 + +logger = logging.getLogger(__name__) + + +class RequirementTracker(object): + + def __init__(self): + # type: () -> None + self._root = os.environ.get('PIP_REQ_TRACKER') + if self._root is None: + self._temp_dir = TempDirectory(delete=False, kind='req-tracker') + self._temp_dir.create() + self._root = os.environ['PIP_REQ_TRACKER'] = self._temp_dir.path + logger.debug('Created requirements tracker %r', self._root) + else: + self._temp_dir = None + logger.debug('Re-using requirements tracker %r', self._root) + self._entries = set() # type: Set[InstallRequirement] + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + self.cleanup() + + def _entry_path(self, link): + # type: (Link) -> str + hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest() + return os.path.join(self._root, hashed) + + def add(self, req): + # type: (InstallRequirement) -> None + link = req.link + info = str(req) + entry_path = self._entry_path(link) + try: + with open(entry_path) as fp: + # Error, these's already a build in progress. + raise LookupError('%s is already being built: %s' + % (link, fp.read())) + except IOError as e: + if e.errno != errno.ENOENT: + raise + assert req not in self._entries + with open(entry_path, 'w') as fp: + fp.write(info) + self._entries.add(req) + logger.debug('Added %s to build tracker %r', req, self._root) + + def remove(self, req): + # type: (InstallRequirement) -> None + link = req.link + self._entries.remove(req) + os.unlink(self._entry_path(link)) + logger.debug('Removed %s from build tracker %r', req, self._root) + + def cleanup(self): + # type: () -> None + for req in set(self._entries): + self.remove(req) + remove = self._temp_dir is not None + if remove: + self._temp_dir.cleanup() + logger.debug('%s build tracker %r', + 'Removed' if remove else 'Cleaned', + self._root) + + @contextlib.contextmanager + def track(self, req): + # type: (InstallRequirement) -> Iterator[None] + self.add(req) + yield + self.remove(req) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_uninstall.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_uninstall.py new file mode 100644 index 0000000..c80959e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_uninstall.py @@ -0,0 +1,596 @@ +from __future__ import absolute_import + +import csv +import functools +import logging +import os +import sys +import sysconfig + +from pip._vendor import pkg_resources + +from pip._internal.exceptions import UninstallationError +from pip._internal.locations import bin_py, bin_user +from pip._internal.utils.compat import WINDOWS, cache_from_source, uses_pycache +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + FakeFile, ask, dist_in_usersite, dist_is_local, egg_link_path, is_local, + normalize_path, renames, rmtree, +) +from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory + +logger = logging.getLogger(__name__) + + +def _script_names(dist, script_name, is_gui): + """Create the fully qualified name of the files created by + {console,gui}_scripts for the given ``dist``. + Returns the list of file names + """ + if dist_in_usersite(dist): + bin_dir = bin_user + else: + bin_dir = bin_py + exe_name = os.path.join(bin_dir, script_name) + paths_to_remove = [exe_name] + if WINDOWS: + paths_to_remove.append(exe_name + '.exe') + paths_to_remove.append(exe_name + '.exe.manifest') + if is_gui: + paths_to_remove.append(exe_name + '-script.pyw') + else: + paths_to_remove.append(exe_name + '-script.py') + return paths_to_remove + + +def _unique(fn): + @functools.wraps(fn) + def unique(*args, **kw): + seen = set() + for item in fn(*args, **kw): + if item not in seen: + seen.add(item) + yield item + return unique + + +@_unique +def uninstallation_paths(dist): + """ + Yield all the uninstallation paths for dist based on RECORD-without-.py[co] + + Yield paths to all the files in RECORD. For each .py file in RECORD, add + the .pyc and .pyo in the same directory. + + UninstallPathSet.add() takes care of the __pycache__ .py[co]. + """ + r = csv.reader(FakeFile(dist.get_metadata_lines('RECORD'))) + for row in r: + path = os.path.join(dist.location, row[0]) + yield path + if path.endswith('.py'): + dn, fn = os.path.split(path) + base = fn[:-3] + path = os.path.join(dn, base + '.pyc') + yield path + path = os.path.join(dn, base + '.pyo') + yield path + + +def compact(paths): + """Compact a path set to contain the minimal number of paths + necessary to contain all paths in the set. If /a/path/ and + /a/path/to/a/file.txt are both in the set, leave only the + shorter path.""" + + sep = os.path.sep + short_paths = set() + for path in sorted(paths, key=len): + should_skip = any( + path.startswith(shortpath.rstrip("*")) and + path[len(shortpath.rstrip("*").rstrip(sep))] == sep + for shortpath in short_paths + ) + if not should_skip: + short_paths.add(path) + return short_paths + + +def compress_for_rename(paths): + """Returns a set containing the paths that need to be renamed. + + This set may include directories when the original sequence of paths + included every file on disk. + """ + case_map = dict((os.path.normcase(p), p) for p in paths) + remaining = set(case_map) + unchecked = sorted(set(os.path.split(p)[0] + for p in case_map.values()), key=len) + wildcards = set() + + def norm_join(*a): + return os.path.normcase(os.path.join(*a)) + + for root in unchecked: + if any(os.path.normcase(root).startswith(w) + for w in wildcards): + # This directory has already been handled. + continue + + all_files = set() + all_subdirs = set() + for dirname, subdirs, files in os.walk(root): + all_subdirs.update(norm_join(root, dirname, d) + for d in subdirs) + all_files.update(norm_join(root, dirname, f) + for f in files) + # If all the files we found are in our remaining set of files to + # remove, then remove them from the latter set and add a wildcard + # for the directory. + if not (all_files - remaining): + remaining.difference_update(all_files) + wildcards.add(root + os.sep) + + return set(map(case_map.__getitem__, remaining)) | wildcards + + +def compress_for_output_listing(paths): + """Returns a tuple of 2 sets of which paths to display to user + + The first set contains paths that would be deleted. Files of a package + are not added and the top-level directory of the package has a '*' added + at the end - to signify that all it's contents are removed. + + The second set contains files that would have been skipped in the above + folders. + """ + + will_remove = list(paths) + will_skip = set() + + # Determine folders and files + folders = set() + files = set() + for path in will_remove: + if path.endswith(".pyc"): + continue + if path.endswith("__init__.py") or ".dist-info" in path: + folders.add(os.path.dirname(path)) + files.add(path) + + _normcased_files = set(map(os.path.normcase, files)) + + folders = compact(folders) + + # This walks the tree using os.walk to not miss extra folders + # that might get added. + for folder in folders: + for dirpath, _, dirfiles in os.walk(folder): + for fname in dirfiles: + if fname.endswith(".pyc"): + continue + + file_ = os.path.join(dirpath, fname) + if (os.path.isfile(file_) and + os.path.normcase(file_) not in _normcased_files): + # We are skipping this file. Add it to the set. + will_skip.add(file_) + + will_remove = files | { + os.path.join(folder, "*") for folder in folders + } + + return will_remove, will_skip + + +class StashedUninstallPathSet(object): + """A set of file rename operations to stash files while + tentatively uninstalling them.""" + def __init__(self): + # Mapping from source file root to [Adjacent]TempDirectory + # for files under that directory. + self._save_dirs = {} + # (old path, new path) tuples for each move that may need + # to be undone. + self._moves = [] + + def _get_directory_stash(self, path): + """Stashes a directory. + + Directories are stashed adjacent to their original location if + possible, or else moved/copied into the user's temp dir.""" + + try: + save_dir = AdjacentTempDirectory(path) + save_dir.create() + except OSError: + save_dir = TempDirectory(kind="uninstall") + save_dir.create() + self._save_dirs[os.path.normcase(path)] = save_dir + + return save_dir.path + + def _get_file_stash(self, path): + """Stashes a file. + + If no root has been provided, one will be created for the directory + in the user's temp directory.""" + path = os.path.normcase(path) + head, old_head = os.path.dirname(path), None + save_dir = None + + while head != old_head: + try: + save_dir = self._save_dirs[head] + break + except KeyError: + pass + head, old_head = os.path.dirname(head), head + else: + # Did not find any suitable root + head = os.path.dirname(path) + save_dir = TempDirectory(kind='uninstall') + save_dir.create() + self._save_dirs[head] = save_dir + + relpath = os.path.relpath(path, head) + if relpath and relpath != os.path.curdir: + return os.path.join(save_dir.path, relpath) + return save_dir.path + + def stash(self, path): + """Stashes the directory or file and returns its new location. + """ + if os.path.isdir(path): + new_path = self._get_directory_stash(path) + else: + new_path = self._get_file_stash(path) + + self._moves.append((path, new_path)) + if os.path.isdir(path) and os.path.isdir(new_path): + # If we're moving a directory, we need to + # remove the destination first or else it will be + # moved to inside the existing directory. + # We just created new_path ourselves, so it will + # be removable. + os.rmdir(new_path) + renames(path, new_path) + return new_path + + def commit(self): + """Commits the uninstall by removing stashed files.""" + for _, save_dir in self._save_dirs.items(): + save_dir.cleanup() + self._moves = [] + self._save_dirs = {} + + def rollback(self): + """Undoes the uninstall by moving stashed files back.""" + for p in self._moves: + logging.info("Moving to %s\n from %s", *p) + + for new_path, path in self._moves: + try: + logger.debug('Replacing %s from %s', new_path, path) + if os.path.isfile(new_path): + os.unlink(new_path) + elif os.path.isdir(new_path): + rmtree(new_path) + renames(path, new_path) + except OSError as ex: + logger.error("Failed to restore %s", new_path) + logger.debug("Exception: %s", ex) + + self.commit() + + @property + def can_rollback(self): + return bool(self._moves) + + +class UninstallPathSet(object): + """A set of file paths to be removed in the uninstallation of a + requirement.""" + def __init__(self, dist): + self.paths = set() + self._refuse = set() + self.pth = {} + self.dist = dist + self._moved_paths = StashedUninstallPathSet() + + def _permitted(self, path): + """ + Return True if the given path is one we are permitted to + remove/modify, False otherwise. + + """ + return is_local(path) + + def add(self, path): + head, tail = os.path.split(path) + + # we normalize the head to resolve parent directory symlinks, but not + # the tail, since we only want to uninstall symlinks, not their targets + path = os.path.join(normalize_path(head), os.path.normcase(tail)) + + if not os.path.exists(path): + return + if self._permitted(path): + self.paths.add(path) + else: + self._refuse.add(path) + + # __pycache__ files can show up after 'installed-files.txt' is created, + # due to imports + if os.path.splitext(path)[1] == '.py' and uses_pycache: + self.add(cache_from_source(path)) + + def add_pth(self, pth_file, entry): + pth_file = normalize_path(pth_file) + if self._permitted(pth_file): + if pth_file not in self.pth: + self.pth[pth_file] = UninstallPthEntries(pth_file) + self.pth[pth_file].add(entry) + else: + self._refuse.add(pth_file) + + def remove(self, auto_confirm=False, verbose=False): + """Remove paths in ``self.paths`` with confirmation (unless + ``auto_confirm`` is True).""" + + if not self.paths: + logger.info( + "Can't uninstall '%s'. No files were found to uninstall.", + self.dist.project_name, + ) + return + + dist_name_version = ( + self.dist.project_name + "-" + self.dist.version + ) + logger.info('Uninstalling %s:', dist_name_version) + + with indent_log(): + if auto_confirm or self._allowed_to_proceed(verbose): + moved = self._moved_paths + + for_rename = compress_for_rename(self.paths) + + for path in sorted(compact(for_rename)): + moved.stash(path) + logger.debug('Removing file or directory %s', path) + + for pth in self.pth.values(): + pth.remove() + + logger.info('Successfully uninstalled %s', dist_name_version) + + def _allowed_to_proceed(self, verbose): + """Display which files would be deleted and prompt for confirmation + """ + + def _display(msg, paths): + if not paths: + return + + logger.info(msg) + with indent_log(): + for path in sorted(compact(paths)): + logger.info(path) + + if not verbose: + will_remove, will_skip = compress_for_output_listing(self.paths) + else: + # In verbose mode, display all the files that are going to be + # deleted. + will_remove = list(self.paths) + will_skip = set() + + _display('Would remove:', will_remove) + _display('Would not remove (might be manually added):', will_skip) + _display('Would not remove (outside of prefix):', self._refuse) + if verbose: + _display('Will actually move:', compress_for_rename(self.paths)) + + return ask('Proceed (y/n)? ', ('y', 'n')) == 'y' + + def rollback(self): + """Rollback the changes previously made by remove().""" + if not self._moved_paths.can_rollback: + logger.error( + "Can't roll back %s; was not uninstalled", + self.dist.project_name, + ) + return False + logger.info('Rolling back uninstall of %s', self.dist.project_name) + self._moved_paths.rollback() + for pth in self.pth.values(): + pth.rollback() + + def commit(self): + """Remove temporary save dir: rollback will no longer be possible.""" + self._moved_paths.commit() + + @classmethod + def from_dist(cls, dist): + dist_path = normalize_path(dist.location) + if not dist_is_local(dist): + logger.info( + "Not uninstalling %s at %s, outside environment %s", + dist.key, + dist_path, + sys.prefix, + ) + return cls(dist) + + if dist_path in {p for p in {sysconfig.get_path("stdlib"), + sysconfig.get_path("platstdlib")} + if p}: + logger.info( + "Not uninstalling %s at %s, as it is in the standard library.", + dist.key, + dist_path, + ) + return cls(dist) + + paths_to_remove = cls(dist) + develop_egg_link = egg_link_path(dist) + develop_egg_link_egg_info = '{}.egg-info'.format( + pkg_resources.to_filename(dist.project_name)) + egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info) + # Special case for distutils installed package + distutils_egg_info = getattr(dist._provider, 'path', None) + + # Uninstall cases order do matter as in the case of 2 installs of the + # same package, pip needs to uninstall the currently detected version + if (egg_info_exists and dist.egg_info.endswith('.egg-info') and + not dist.egg_info.endswith(develop_egg_link_egg_info)): + # if dist.egg_info.endswith(develop_egg_link_egg_info), we + # are in fact in the develop_egg_link case + paths_to_remove.add(dist.egg_info) + if dist.has_metadata('installed-files.txt'): + for installed_file in dist.get_metadata( + 'installed-files.txt').splitlines(): + path = os.path.normpath( + os.path.join(dist.egg_info, installed_file) + ) + paths_to_remove.add(path) + # FIXME: need a test for this elif block + # occurs with --single-version-externally-managed/--record outside + # of pip + elif dist.has_metadata('top_level.txt'): + if dist.has_metadata('namespace_packages.txt'): + namespaces = dist.get_metadata('namespace_packages.txt') + else: + namespaces = [] + for top_level_pkg in [ + p for p + in dist.get_metadata('top_level.txt').splitlines() + if p and p not in namespaces]: + path = os.path.join(dist.location, top_level_pkg) + paths_to_remove.add(path) + paths_to_remove.add(path + '.py') + paths_to_remove.add(path + '.pyc') + paths_to_remove.add(path + '.pyo') + + elif distutils_egg_info: + raise UninstallationError( + "Cannot uninstall {!r}. It is a distutils installed project " + "and thus we cannot accurately determine which files belong " + "to it which would lead to only a partial uninstall.".format( + dist.project_name, + ) + ) + + elif dist.location.endswith('.egg'): + # package installed by easy_install + # We cannot match on dist.egg_name because it can slightly vary + # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg + paths_to_remove.add(dist.location) + easy_install_egg = os.path.split(dist.location)[1] + easy_install_pth = os.path.join(os.path.dirname(dist.location), + 'easy-install.pth') + paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg) + + elif egg_info_exists and dist.egg_info.endswith('.dist-info'): + for path in uninstallation_paths(dist): + paths_to_remove.add(path) + + elif develop_egg_link: + # develop egg + with open(develop_egg_link, 'r') as fh: + link_pointer = os.path.normcase(fh.readline().strip()) + assert (link_pointer == dist.location), ( + 'Egg-link %s does not match installed location of %s ' + '(at %s)' % (link_pointer, dist.project_name, dist.location) + ) + paths_to_remove.add(develop_egg_link) + easy_install_pth = os.path.join(os.path.dirname(develop_egg_link), + 'easy-install.pth') + paths_to_remove.add_pth(easy_install_pth, dist.location) + + else: + logger.debug( + 'Not sure how to uninstall: %s - Check: %s', + dist, dist.location, + ) + + # find distutils scripts= scripts + if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'): + for script in dist.metadata_listdir('scripts'): + if dist_in_usersite(dist): + bin_dir = bin_user + else: + bin_dir = bin_py + paths_to_remove.add(os.path.join(bin_dir, script)) + if WINDOWS: + paths_to_remove.add(os.path.join(bin_dir, script) + '.bat') + + # find console_scripts + _scripts_to_remove = [] + console_scripts = dist.get_entry_map(group='console_scripts') + for name in console_scripts.keys(): + _scripts_to_remove.extend(_script_names(dist, name, False)) + # find gui_scripts + gui_scripts = dist.get_entry_map(group='gui_scripts') + for name in gui_scripts.keys(): + _scripts_to_remove.extend(_script_names(dist, name, True)) + + for s in _scripts_to_remove: + paths_to_remove.add(s) + + return paths_to_remove + + +class UninstallPthEntries(object): + def __init__(self, pth_file): + if not os.path.isfile(pth_file): + raise UninstallationError( + "Cannot remove entries from nonexistent file %s" % pth_file + ) + self.file = pth_file + self.entries = set() + self._saved_lines = None + + def add(self, entry): + entry = os.path.normcase(entry) + # On Windows, os.path.normcase converts the entry to use + # backslashes. This is correct for entries that describe absolute + # paths outside of site-packages, but all the others use forward + # slashes. + if WINDOWS and not os.path.splitdrive(entry)[0]: + entry = entry.replace('\\', '/') + self.entries.add(entry) + + def remove(self): + logger.debug('Removing pth entries from %s:', self.file) + with open(self.file, 'rb') as fh: + # windows uses '\r\n' with py3k, but uses '\n' with py2.x + lines = fh.readlines() + self._saved_lines = lines + if any(b'\r\n' in line for line in lines): + endline = '\r\n' + else: + endline = '\n' + # handle missing trailing newline + if lines and not lines[-1].endswith(endline.encode("utf-8")): + lines[-1] = lines[-1] + endline.encode("utf-8") + for entry in self.entries: + try: + logger.debug('Removing entry: %s', entry) + lines.remove((entry + endline).encode("utf-8")) + except ValueError: + pass + with open(self.file, 'wb') as fh: + fh.writelines(lines) + + def rollback(self): + if self._saved_lines is None: + logger.error( + 'Cannot roll back changes to %s, none were made', self.file + ) + return False + logger.debug('Rolling %s back to previous state', self.file) + with open(self.file, 'wb') as fh: + fh.writelines(self._saved_lines) + return True diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/resolve.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/resolve.py new file mode 100644 index 0000000..33f572f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/resolve.py @@ -0,0 +1,393 @@ +"""Dependency Resolution + +The dependency resolution in pip is performed as follows: + +for top-level requirements: + a. only one spec allowed per project, regardless of conflicts or not. + otherwise a "double requirement" exception is raised + b. they override sub-dependency requirements. +for sub-dependencies + a. "first found, wins" (where the order is breadth first) +""" + +import logging +from collections import defaultdict +from itertools import chain + +from pip._internal.exceptions import ( + BestVersionAlreadyInstalled, DistributionNotFound, HashError, HashErrors, + UnsupportedPythonVersion, +) +from pip._internal.req.constructors import install_req_from_req_string +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import dist_in_usersite, ensure_dir +from pip._internal.utils.packaging import check_dist_requires_python +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional, DefaultDict, List, Set # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + from pip._internal.index import PackageFinder # noqa: F401 + from pip._internal.req.req_set import RequirementSet # noqa: F401 + from pip._internal.operations.prepare import ( # noqa: F401 + DistAbstraction, RequirementPreparer + ) + from pip._internal.cache import WheelCache # noqa: F401 + +logger = logging.getLogger(__name__) + + +class Resolver(object): + """Resolves which packages need to be installed/uninstalled to perform \ + the requested operation without breaking the requirements of any package. + """ + + _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"} + + def __init__( + self, + preparer, # type: RequirementPreparer + session, # type: PipSession + finder, # type: PackageFinder + wheel_cache, # type: Optional[WheelCache] + use_user_site, # type: bool + ignore_dependencies, # type: bool + ignore_installed, # type: bool + ignore_requires_python, # type: bool + force_reinstall, # type: bool + isolated, # type: bool + upgrade_strategy, # type: str + use_pep517=None # type: Optional[bool] + ): + # type: (...) -> None + super(Resolver, self).__init__() + assert upgrade_strategy in self._allowed_strategies + + self.preparer = preparer + self.finder = finder + self.session = session + + # NOTE: This would eventually be replaced with a cache that can give + # information about both sdist and wheels transparently. + self.wheel_cache = wheel_cache + + # This is set in resolve + self.require_hashes = None # type: Optional[bool] + + self.upgrade_strategy = upgrade_strategy + self.force_reinstall = force_reinstall + self.isolated = isolated + self.ignore_dependencies = ignore_dependencies + self.ignore_installed = ignore_installed + self.ignore_requires_python = ignore_requires_python + self.use_user_site = use_user_site + self.use_pep517 = use_pep517 + + self._discovered_dependencies = \ + defaultdict(list) # type: DefaultDict[str, List] + + def resolve(self, requirement_set): + # type: (RequirementSet) -> None + """Resolve what operations need to be done + + As a side-effect of this method, the packages (and their dependencies) + are downloaded, unpacked and prepared for installation. This + preparation is done by ``pip.operations.prepare``. + + Once PyPI has static dependency metadata available, it would be + possible to move the preparation to become a step separated from + dependency resolution. + """ + # make the wheelhouse + if self.preparer.wheel_download_dir: + ensure_dir(self.preparer.wheel_download_dir) + + # If any top-level requirement has a hash specified, enter + # hash-checking mode, which requires hashes from all. + root_reqs = ( + requirement_set.unnamed_requirements + + list(requirement_set.requirements.values()) + ) + self.require_hashes = ( + requirement_set.require_hashes or + any(req.has_hash_options for req in root_reqs) + ) + + # Display where finder is looking for packages + locations = self.finder.get_formatted_locations() + if locations: + logger.info(locations) + + # Actually prepare the files, and collect any exceptions. Most hash + # exceptions cannot be checked ahead of time, because + # req.populate_link() needs to be called before we can make decisions + # based on link type. + discovered_reqs = [] # type: List[InstallRequirement] + hash_errors = HashErrors() + for req in chain(root_reqs, discovered_reqs): + try: + discovered_reqs.extend( + self._resolve_one(requirement_set, req) + ) + except HashError as exc: + exc.req = req + hash_errors.append(exc) + + if hash_errors: + raise hash_errors + + def _is_upgrade_allowed(self, req): + # type: (InstallRequirement) -> bool + if self.upgrade_strategy == "to-satisfy-only": + return False + elif self.upgrade_strategy == "eager": + return True + else: + assert self.upgrade_strategy == "only-if-needed" + return req.is_direct + + def _set_req_to_reinstall(self, req): + # type: (InstallRequirement) -> None + """ + Set a requirement to be installed. + """ + # Don't uninstall the conflict if doing a user install and the + # conflict is not a user install. + if not self.use_user_site or dist_in_usersite(req.satisfied_by): + req.conflicts_with = req.satisfied_by + req.satisfied_by = None + + # XXX: Stop passing requirement_set for options + def _check_skip_installed(self, req_to_install): + # type: (InstallRequirement) -> Optional[str] + """Check if req_to_install should be skipped. + + This will check if the req is installed, and whether we should upgrade + or reinstall it, taking into account all the relevant user options. + + After calling this req_to_install will only have satisfied_by set to + None if the req_to_install is to be upgraded/reinstalled etc. Any + other value will be a dist recording the current thing installed that + satisfies the requirement. + + Note that for vcs urls and the like we can't assess skipping in this + routine - we simply identify that we need to pull the thing down, + then later on it is pulled down and introspected to assess upgrade/ + reinstalls etc. + + :return: A text reason for why it was skipped, or None. + """ + if self.ignore_installed: + return None + + req_to_install.check_if_exists(self.use_user_site) + if not req_to_install.satisfied_by: + return None + + if self.force_reinstall: + self._set_req_to_reinstall(req_to_install) + return None + + if not self._is_upgrade_allowed(req_to_install): + if self.upgrade_strategy == "only-if-needed": + return 'already satisfied, skipping upgrade' + return 'already satisfied' + + # Check for the possibility of an upgrade. For link-based + # requirements we have to pull the tree down and inspect to assess + # the version #, so it's handled way down. + if not req_to_install.link: + try: + self.finder.find_requirement(req_to_install, upgrade=True) + except BestVersionAlreadyInstalled: + # Then the best version is installed. + return 'already up-to-date' + except DistributionNotFound: + # No distribution found, so we squash the error. It will + # be raised later when we re-try later to do the install. + # Why don't we just raise here? + pass + + self._set_req_to_reinstall(req_to_install) + return None + + def _get_abstract_dist_for(self, req): + # type: (InstallRequirement) -> DistAbstraction + """Takes a InstallRequirement and returns a single AbstractDist \ + representing a prepared variant of the same. + """ + assert self.require_hashes is not None, ( + "require_hashes should have been set in Resolver.resolve()" + ) + + if req.editable: + return self.preparer.prepare_editable_requirement( + req, self.require_hashes, self.use_user_site, self.finder, + ) + + # satisfied_by is only evaluated by calling _check_skip_installed, + # so it must be None here. + assert req.satisfied_by is None + skip_reason = self._check_skip_installed(req) + + if req.satisfied_by: + return self.preparer.prepare_installed_requirement( + req, self.require_hashes, skip_reason + ) + + upgrade_allowed = self._is_upgrade_allowed(req) + abstract_dist = self.preparer.prepare_linked_requirement( + req, self.session, self.finder, upgrade_allowed, + self.require_hashes + ) + + # NOTE + # The following portion is for determining if a certain package is + # going to be re-installed/upgraded or not and reporting to the user. + # This should probably get cleaned up in a future refactor. + + # req.req is only avail after unpack for URL + # pkgs repeat check_if_exists to uninstall-on-upgrade + # (#14) + if not self.ignore_installed: + req.check_if_exists(self.use_user_site) + + if req.satisfied_by: + should_modify = ( + self.upgrade_strategy != "to-satisfy-only" or + self.force_reinstall or + self.ignore_installed or + req.link.scheme == 'file' + ) + if should_modify: + self._set_req_to_reinstall(req) + else: + logger.info( + 'Requirement already satisfied (use --upgrade to upgrade):' + ' %s', req, + ) + + return abstract_dist + + def _resolve_one( + self, + requirement_set, # type: RequirementSet + req_to_install # type: InstallRequirement + ): + # type: (...) -> List[InstallRequirement] + """Prepare a single requirements file. + + :return: A list of additional InstallRequirements to also install. + """ + # Tell user what we are doing for this requirement: + # obtain (editable), skipping, processing (local url), collecting + # (remote url or package name) + if req_to_install.constraint or req_to_install.prepared: + return [] + + req_to_install.prepared = True + + # register tmp src for cleanup in case something goes wrong + requirement_set.reqs_to_cleanup.append(req_to_install) + + abstract_dist = self._get_abstract_dist_for(req_to_install) + + # Parse and return dependencies + dist = abstract_dist.dist() + try: + check_dist_requires_python(dist) + except UnsupportedPythonVersion as err: + if self.ignore_requires_python: + logger.warning(err.args[0]) + else: + raise + + more_reqs = [] # type: List[InstallRequirement] + + def add_req(subreq, extras_requested): + sub_install_req = install_req_from_req_string( + str(subreq), + req_to_install, + isolated=self.isolated, + wheel_cache=self.wheel_cache, + use_pep517=self.use_pep517 + ) + parent_req_name = req_to_install.name + to_scan_again, add_to_parent = requirement_set.add_requirement( + sub_install_req, + parent_req_name=parent_req_name, + extras_requested=extras_requested, + ) + if parent_req_name and add_to_parent: + self._discovered_dependencies[parent_req_name].append( + add_to_parent + ) + more_reqs.extend(to_scan_again) + + with indent_log(): + # We add req_to_install before its dependencies, so that we + # can refer to it when adding dependencies. + if not requirement_set.has_requirement(req_to_install.name): + # 'unnamed' requirements will get added here + req_to_install.is_direct = True + requirement_set.add_requirement( + req_to_install, parent_req_name=None, + ) + + if not self.ignore_dependencies: + if req_to_install.extras: + logger.debug( + "Installing extra requirements: %r", + ','.join(req_to_install.extras), + ) + missing_requested = sorted( + set(req_to_install.extras) - set(dist.extras) + ) + for missing in missing_requested: + logger.warning( + '%s does not provide the extra \'%s\'', + dist, missing + ) + + available_requested = sorted( + set(dist.extras) & set(req_to_install.extras) + ) + for subreq in dist.requires(available_requested): + add_req(subreq, extras_requested=available_requested) + + if not req_to_install.editable and not req_to_install.satisfied_by: + # XXX: --no-install leads this to report 'Successfully + # downloaded' for only non-editable reqs, even though we took + # action on them. + requirement_set.successfully_downloaded.append(req_to_install) + + return more_reqs + + def get_installation_order(self, req_set): + # type: (RequirementSet) -> List[InstallRequirement] + """Create the installation order. + + The installation order is topological - requirements are installed + before the requiring thing. We break cycles at an arbitrary point, + and make no other guarantees. + """ + # The current implementation, which we may change at any point + # installs the user specified things in the order given, except when + # dependencies must come earlier to achieve topological order. + order = [] + ordered_reqs = set() # type: Set[InstallRequirement] + + def schedule(req): + if req.satisfied_by or req in ordered_reqs: + return + if req.constraint: + return + ordered_reqs.add(req) + for dep in self._discovered_dependencies[req.name]: + schedule(dep) + order.append(req) + + for install_req in req_set.requirements.values(): + schedule(install_req) + return order diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/appdirs.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/appdirs.py new file mode 100644 index 0000000..9af9fa7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/appdirs.py @@ -0,0 +1,270 @@ +""" +This code was taken from https://github.com/ActiveState/appdirs and modified +to suit our purposes. +""" +from __future__ import absolute_import + +import os +import sys + +from pip._vendor.six import PY2, text_type + +from pip._internal.utils.compat import WINDOWS, expanduser +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + List, Union + ) + + +def user_cache_dir(appname): + # type: (str) -> str + r""" + Return full path to the user-specific cache dir for this application. + + "appname" is the name of application. + + Typical user cache directories are: + macOS: ~/Library/Caches/ + Unix: ~/.cache/ (XDG default) + Windows: C:\Users\\AppData\Local\\Cache + + On Windows the only suggestion in the MSDN docs is that local settings go + in the `CSIDL_LOCAL_APPDATA` directory. This is identical to the + non-roaming app data dir (the default returned by `user_data_dir`). Apps + typically put cache data somewhere *under* the given dir here. Some + examples: + ...\Mozilla\Firefox\Profiles\\Cache + ...\Acme\SuperApp\Cache\1.0 + + OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value. + """ + if WINDOWS: + # Get the base path + path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA")) + + # When using Python 2, return paths as bytes on Windows like we do on + # other operating systems. See helper function docs for more details. + if PY2 and isinstance(path, text_type): + path = _win_path_to_bytes(path) + + # Add our app name and Cache directory to it + path = os.path.join(path, appname, "Cache") + elif sys.platform == "darwin": + # Get the base path + path = expanduser("~/Library/Caches") + + # Add our app name to it + path = os.path.join(path, appname) + else: + # Get the base path + path = os.getenv("XDG_CACHE_HOME", expanduser("~/.cache")) + + # Add our app name to it + path = os.path.join(path, appname) + + return path + + +def user_data_dir(appname, roaming=False): + # type: (str, bool) -> str + r""" + Return full path to the user-specific data dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "roaming" (boolean, default False) can be set True to use the Windows + roaming appdata directory. That means that for users on a Windows + network setup for roaming profiles, this user data will be + sync'd on login. See + + for a discussion of issues. + + Typical user data directories are: + macOS: ~/Library/Application Support/ + if it exists, else ~/.config/ + Unix: ~/.local/share/ # or in + $XDG_DATA_HOME, if defined + Win XP (not roaming): C:\Documents and Settings\\ ... + ...Application Data\ + Win XP (roaming): C:\Documents and Settings\\Local ... + ...Settings\Application Data\ + Win 7 (not roaming): C:\\Users\\AppData\Local\ + Win 7 (roaming): C:\\Users\\AppData\Roaming\ + + For Unix, we follow the XDG spec and support $XDG_DATA_HOME. + That means, by default "~/.local/share/". + """ + if WINDOWS: + const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA" + path = os.path.join(os.path.normpath(_get_win_folder(const)), appname) + elif sys.platform == "darwin": + path = os.path.join( + expanduser('~/Library/Application Support/'), + appname, + ) if os.path.isdir(os.path.join( + expanduser('~/Library/Application Support/'), + appname, + ) + ) else os.path.join( + expanduser('~/.config/'), + appname, + ) + else: + path = os.path.join( + os.getenv('XDG_DATA_HOME', expanduser("~/.local/share")), + appname, + ) + + return path + + +def user_config_dir(appname, roaming=True): + # type: (str, bool) -> str + """Return full path to the user-specific config dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "roaming" (boolean, default True) can be set False to not use the + Windows roaming appdata directory. That means that for users on a + Windows network setup for roaming profiles, this user data will be + sync'd on login. See + + for a discussion of issues. + + Typical user data directories are: + macOS: same as user_data_dir + Unix: ~/.config/ + Win *: same as user_data_dir + + For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME. + That means, by default "~/.config/". + """ + if WINDOWS: + path = user_data_dir(appname, roaming=roaming) + elif sys.platform == "darwin": + path = user_data_dir(appname) + else: + path = os.getenv('XDG_CONFIG_HOME', expanduser("~/.config")) + path = os.path.join(path, appname) + + return path + + +# for the discussion regarding site_config_dirs locations +# see +def site_config_dirs(appname): + # type: (str) -> List[str] + r"""Return a list of potential user-shared config dirs for this application. + + "appname" is the name of application. + + Typical user config directories are: + macOS: /Library/Application Support// + Unix: /etc or $XDG_CONFIG_DIRS[i]// for each value in + $XDG_CONFIG_DIRS + Win XP: C:\Documents and Settings\All Users\Application ... + ...Data\\ + Vista: (Fail! "C:\ProgramData" is a hidden *system* directory + on Vista.) + Win 7: Hidden, but writeable on Win 7: + C:\ProgramData\\ + """ + if WINDOWS: + path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA")) + pathlist = [os.path.join(path, appname)] + elif sys.platform == 'darwin': + pathlist = [os.path.join('/Library/Application Support', appname)] + else: + # try looking in $XDG_CONFIG_DIRS + xdg_config_dirs = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg') + if xdg_config_dirs: + pathlist = [ + os.path.join(expanduser(x), appname) + for x in xdg_config_dirs.split(os.pathsep) + ] + else: + pathlist = [] + + # always look in /etc directly as well + pathlist.append('/etc') + + return pathlist + + +# -- Windows support functions -- + +def _get_win_folder_from_registry(csidl_name): + # type: (str) -> str + """ + This is a fallback technique at best. I'm not sure if using the + registry for this guarantees us the correct answer for all CSIDL_* + names. + """ + import _winreg + + shell_folder_name = { + "CSIDL_APPDATA": "AppData", + "CSIDL_COMMON_APPDATA": "Common AppData", + "CSIDL_LOCAL_APPDATA": "Local AppData", + }[csidl_name] + + key = _winreg.OpenKey( + _winreg.HKEY_CURRENT_USER, + r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" + ) + directory, _type = _winreg.QueryValueEx(key, shell_folder_name) + return directory + + +def _get_win_folder_with_ctypes(csidl_name): + # type: (str) -> str + csidl_const = { + "CSIDL_APPDATA": 26, + "CSIDL_COMMON_APPDATA": 35, + "CSIDL_LOCAL_APPDATA": 28, + }[csidl_name] + + buf = ctypes.create_unicode_buffer(1024) + ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf) + + # Downgrade to short path name if have highbit chars. See + # . + has_high_char = False + for c in buf: + if ord(c) > 255: + has_high_char = True + break + if has_high_char: + buf2 = ctypes.create_unicode_buffer(1024) + if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024): + buf = buf2 + + return buf.value + + +if WINDOWS: + try: + import ctypes + _get_win_folder = _get_win_folder_with_ctypes + except ImportError: + _get_win_folder = _get_win_folder_from_registry + + +def _win_path_to_bytes(path): + """Encode Windows paths to bytes. Only used on Python 2. + + Motivation is to be consistent with other operating systems where paths + are also returned as bytes. This avoids problems mixing bytes and Unicode + elsewhere in the codebase. For more details and discussion see + . + + If encoding using ASCII and MBCS fails, return the original Unicode path. + """ + for encoding in ('ASCII', 'MBCS'): + try: + return path.encode(encoding) + except (UnicodeEncodeError, LookupError): + pass + return path diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/compat.py new file mode 100644 index 0000000..2d8b3bf --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/compat.py @@ -0,0 +1,264 @@ +"""Stuff that differs in different Python versions and platform +distributions.""" +from __future__ import absolute_import, division + +import codecs +import locale +import logging +import os +import shutil +import sys + +from pip._vendor.six import text_type + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Tuple, Text # noqa: F401 + +try: + import ipaddress +except ImportError: + try: + from pip._vendor import ipaddress # type: ignore + except ImportError: + import ipaddr as ipaddress # type: ignore + ipaddress.ip_address = ipaddress.IPAddress # type: ignore + ipaddress.ip_network = ipaddress.IPNetwork # type: ignore + + +__all__ = [ + "ipaddress", "uses_pycache", "console_to_str", "native_str", + "get_path_uid", "stdlib_pkgs", "WINDOWS", "samefile", "get_terminal_size", + "get_extension_suffixes", +] + + +logger = logging.getLogger(__name__) + +if sys.version_info >= (3, 4): + uses_pycache = True + from importlib.util import cache_from_source +else: + import imp + + try: + cache_from_source = imp.cache_from_source # type: ignore + except AttributeError: + # does not use __pycache__ + cache_from_source = None + + uses_pycache = cache_from_source is not None + + +if sys.version_info >= (3, 5): + backslashreplace_decode = "backslashreplace" +else: + # In version 3.4 and older, backslashreplace exists + # but does not support use for decoding. + # We implement our own replace handler for this + # situation, so that we can consistently use + # backslash replacement for all versions. + def backslashreplace_decode_fn(err): + raw_bytes = (err.object[i] for i in range(err.start, err.end)) + if sys.version_info[0] == 2: + # Python 2 gave us characters - convert to numeric bytes + raw_bytes = (ord(b) for b in raw_bytes) + return u"".join(u"\\x%x" % c for c in raw_bytes), err.end + codecs.register_error( + "backslashreplace_decode", + backslashreplace_decode_fn, + ) + backslashreplace_decode = "backslashreplace_decode" + + +def console_to_str(data): + # type: (bytes) -> Text + """Return a string, safe for output, of subprocess output. + + We assume the data is in the locale preferred encoding. + If it won't decode properly, we warn the user but decode as + best we can. + + We also ensure that the output can be safely written to + standard output without encoding errors. + """ + + # First, get the encoding we assume. This is the preferred + # encoding for the locale, unless that is not found, or + # it is ASCII, in which case assume UTF-8 + encoding = locale.getpreferredencoding() + if (not encoding) or codecs.lookup(encoding).name == "ascii": + encoding = "utf-8" + + # Now try to decode the data - if we fail, warn the user and + # decode with replacement. + try: + decoded_data = data.decode(encoding) + except UnicodeDecodeError: + logger.warning( + "Subprocess output does not appear to be encoded as %s", + encoding, + ) + decoded_data = data.decode(encoding, errors=backslashreplace_decode) + + # Make sure we can print the output, by encoding it to the output + # encoding with replacement of unencodable characters, and then + # decoding again. + # We use stderr's encoding because it's less likely to be + # redirected and if we don't find an encoding we skip this + # step (on the assumption that output is wrapped by something + # that won't fail). + # The double getattr is to deal with the possibility that we're + # being called in a situation where sys.__stderr__ doesn't exist, + # or doesn't have an encoding attribute. Neither of these cases + # should occur in normal pip use, but there's no harm in checking + # in case people use pip in (unsupported) unusual situations. + output_encoding = getattr(getattr(sys, "__stderr__", None), + "encoding", None) + + if output_encoding: + output_encoded = decoded_data.encode( + output_encoding, + errors="backslashreplace" + ) + decoded_data = output_encoded.decode(output_encoding) + + return decoded_data + + +if sys.version_info >= (3,): + def native_str(s, replace=False): + # type: (str, bool) -> str + if isinstance(s, bytes): + return s.decode('utf-8', 'replace' if replace else 'strict') + return s + +else: + def native_str(s, replace=False): + # type: (str, bool) -> str + # Replace is ignored -- unicode to UTF-8 can't fail + if isinstance(s, text_type): + return s.encode('utf-8') + return s + + +def get_path_uid(path): + # type: (str) -> int + """ + Return path's uid. + + Does not follow symlinks: + https://github.com/pypa/pip/pull/935#discussion_r5307003 + + Placed this function in compat due to differences on AIX and + Jython, that should eventually go away. + + :raises OSError: When path is a symlink or can't be read. + """ + if hasattr(os, 'O_NOFOLLOW'): + fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW) + file_uid = os.fstat(fd).st_uid + os.close(fd) + else: # AIX and Jython + # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW + if not os.path.islink(path): + # older versions of Jython don't have `os.fstat` + file_uid = os.stat(path).st_uid + else: + # raise OSError for parity with os.O_NOFOLLOW above + raise OSError( + "%s is a symlink; Will not return uid for symlinks" % path + ) + return file_uid + + +if sys.version_info >= (3, 4): + from importlib.machinery import EXTENSION_SUFFIXES + + def get_extension_suffixes(): + return EXTENSION_SUFFIXES +else: + from imp import get_suffixes + + def get_extension_suffixes(): + return [suffix[0] for suffix in get_suffixes()] + + +def expanduser(path): + # type: (str) -> str + """ + Expand ~ and ~user constructions. + + Includes a workaround for https://bugs.python.org/issue14768 + """ + expanded = os.path.expanduser(path) + if path.startswith('~/') and expanded.startswith('//'): + expanded = expanded[1:] + return expanded + + +# packages in the stdlib that may have installation metadata, but should not be +# considered 'installed'. this theoretically could be determined based on +# dist.location (py27:`sysconfig.get_paths()['stdlib']`, +# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may +# make this ineffective, so hard-coding +stdlib_pkgs = {"python", "wsgiref", "argparse"} + + +# windows detection, covers cpython and ironpython +WINDOWS = (sys.platform.startswith("win") or + (sys.platform == 'cli' and os.name == 'nt')) + + +def samefile(file1, file2): + # type: (str, str) -> bool + """Provide an alternative for os.path.samefile on Windows/Python2""" + if hasattr(os.path, 'samefile'): + return os.path.samefile(file1, file2) + else: + path1 = os.path.normcase(os.path.abspath(file1)) + path2 = os.path.normcase(os.path.abspath(file2)) + return path1 == path2 + + +if hasattr(shutil, 'get_terminal_size'): + def get_terminal_size(): + # type: () -> Tuple[int, int] + """ + Returns a tuple (x, y) representing the width(x) and the height(y) + in characters of the terminal window. + """ + return tuple(shutil.get_terminal_size()) # type: ignore +else: + def get_terminal_size(): + # type: () -> Tuple[int, int] + """ + Returns a tuple (x, y) representing the width(x) and the height(y) + in characters of the terminal window. + """ + def ioctl_GWINSZ(fd): + try: + import fcntl + import termios + import struct + cr = struct.unpack_from( + 'hh', + fcntl.ioctl(fd, termios.TIOCGWINSZ, '12345678') + ) + except Exception: + return None + if cr == (0, 0): + return None + return cr + cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2) + if not cr: + try: + fd = os.open(os.ctermid(), os.O_RDONLY) + cr = ioctl_GWINSZ(fd) + os.close(fd) + except Exception: + pass + if not cr: + cr = (os.environ.get('LINES', 25), os.environ.get('COLUMNS', 80)) + return int(cr[1]), int(cr[0]) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/deprecation.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/deprecation.py new file mode 100644 index 0000000..0beaf74 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/deprecation.py @@ -0,0 +1,90 @@ +""" +A module that implements tooling to enable easy warnings about deprecations. +""" +from __future__ import absolute_import + +import logging +import warnings + +from pip._vendor.packaging.version import parse + +from pip import __version__ as current_version +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Any, Optional # noqa: F401 + + +class PipDeprecationWarning(Warning): + pass + + +_original_showwarning = None # type: Any + + +# Warnings <-> Logging Integration +def _showwarning(message, category, filename, lineno, file=None, line=None): + if file is not None: + if _original_showwarning is not None: + _original_showwarning( + message, category, filename, lineno, file, line, + ) + elif issubclass(category, PipDeprecationWarning): + # We use a specially named logger which will handle all of the + # deprecation messages for pip. + logger = logging.getLogger("pip._internal.deprecations") + logger.warning(message) + else: + _original_showwarning( + message, category, filename, lineno, file, line, + ) + + +def install_warning_logger(): + # type: () -> None + # Enable our Deprecation Warnings + warnings.simplefilter("default", PipDeprecationWarning, append=True) + + global _original_showwarning + + if _original_showwarning is None: + _original_showwarning = warnings.showwarning + warnings.showwarning = _showwarning + + +def deprecated(reason, replacement, gone_in, issue=None): + # type: (str, Optional[str], Optional[str], Optional[int]) -> None + """Helper to deprecate existing functionality. + + reason: + Textual reason shown to the user about why this functionality has + been deprecated. + replacement: + Textual suggestion shown to the user about what alternative + functionality they can use. + gone_in: + The version of pip does this functionality should get removed in. + Raises errors if pip's current version is greater than or equal to + this. + issue: + Issue number on the tracker that would serve as a useful place for + users to find related discussion and provide feedback. + + Always pass replacement, gone_in and issue as keyword arguments for clarity + at the call site. + """ + + # Construct a nice message. + # This is purposely eagerly formatted as we want it to appear as if someone + # typed this entire message out. + message = "DEPRECATION: " + reason + if replacement is not None: + message += " A possible replacement is {}.".format(replacement) + if issue is not None: + url = "https://github.com/pypa/pip/issues/" + str(issue) + message += " You can find discussion regarding this at {}.".format(url) + + # Raise as an error if it has to be removed. + if gone_in is not None and parse(current_version) >= parse(gone_in): + raise PipDeprecationWarning(message) + warnings.warn(message, category=PipDeprecationWarning, stacklevel=2) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/encoding.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/encoding.py new file mode 100644 index 0000000..d36defa --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/encoding.py @@ -0,0 +1,39 @@ +import codecs +import locale +import re +import sys + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import List, Tuple, Text # noqa: F401 + +BOMS = [ + (codecs.BOM_UTF8, 'utf8'), + (codecs.BOM_UTF16, 'utf16'), + (codecs.BOM_UTF16_BE, 'utf16-be'), + (codecs.BOM_UTF16_LE, 'utf16-le'), + (codecs.BOM_UTF32, 'utf32'), + (codecs.BOM_UTF32_BE, 'utf32-be'), + (codecs.BOM_UTF32_LE, 'utf32-le'), +] # type: List[Tuple[bytes, Text]] + +ENCODING_RE = re.compile(br'coding[:=]\s*([-\w.]+)') + + +def auto_decode(data): + # type: (bytes) -> Text + """Check a bytes string for a BOM to correctly detect the encoding + + Fallback to locale.getpreferredencoding(False) like open() on Python3""" + for bom, encoding in BOMS: + if data.startswith(bom): + return data[len(bom):].decode(encoding) + # Lets check the first two lines as in PEP263 + for line in data.split(b'\n')[:2]: + if line[0:1] == b'#' and ENCODING_RE.search(line): + encoding = ENCODING_RE.search(line).groups()[0].decode('ascii') + return data.decode(encoding) + return data.decode( + locale.getpreferredencoding(False) or sys.getdefaultencoding(), + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/filesystem.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/filesystem.py new file mode 100644 index 0000000..1e6b033 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/filesystem.py @@ -0,0 +1,30 @@ +import os +import os.path + +from pip._internal.utils.compat import get_path_uid + + +def check_path_owner(path): + # type: (str) -> bool + # If we don't have a way to check the effective uid of this process, then + # we'll just assume that we own the directory. + if not hasattr(os, "geteuid"): + return True + + previous = None + while path != previous: + if os.path.lexists(path): + # Check if path is writable by current user. + if os.geteuid() == 0: + # Special handling for root user in order to handle properly + # cases where users use sudo without -H flag. + try: + path_uid = get_path_uid(path) + except OSError: + return False + return path_uid == 0 + else: + return os.access(path, os.W_OK) + else: + previous, path = path, os.path.dirname(path) + return False # assume we don't own the path diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/glibc.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/glibc.py new file mode 100644 index 0000000..8a51f69 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/glibc.py @@ -0,0 +1,93 @@ +from __future__ import absolute_import + +import ctypes +import re +import warnings + +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional, Tuple # noqa: F401 + + +def glibc_version_string(): + # type: () -> Optional[str] + "Returns glibc version string, or None if not using glibc." + + # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen + # manpage says, "If filename is NULL, then the returned handle is for the + # main program". This way we can let the linker do the work to figure out + # which libc our process is actually using. + process_namespace = ctypes.CDLL(None) + try: + gnu_get_libc_version = process_namespace.gnu_get_libc_version + except AttributeError: + # Symbol doesn't exist -> therefore, we are not linked to + # glibc. + return None + + # Call gnu_get_libc_version, which returns a string like "2.5" + gnu_get_libc_version.restype = ctypes.c_char_p + version_str = gnu_get_libc_version() + # py2 / py3 compatibility: + if not isinstance(version_str, str): + version_str = version_str.decode("ascii") + + return version_str + + +# Separated out from have_compatible_glibc for easier unit testing +def check_glibc_version(version_str, required_major, minimum_minor): + # type: (str, int, int) -> bool + # Parse string and check against requested version. + # + # We use a regexp instead of str.split because we want to discard any + # random junk that might come after the minor version -- this might happen + # in patched/forked versions of glibc (e.g. Linaro's version of glibc + # uses version strings like "2.20-2014.11"). See gh-3588. + m = re.match(r"(?P[0-9]+)\.(?P[0-9]+)", version_str) + if not m: + warnings.warn("Expected glibc version with 2 components major.minor," + " got: %s" % version_str, RuntimeWarning) + return False + return (int(m.group("major")) == required_major and + int(m.group("minor")) >= minimum_minor) + + +def have_compatible_glibc(required_major, minimum_minor): + # type: (int, int) -> bool + version_str = glibc_version_string() # type: Optional[str] + if version_str is None: + return False + return check_glibc_version(version_str, required_major, minimum_minor) + + +# platform.libc_ver regularly returns completely nonsensical glibc +# versions. E.g. on my computer, platform says: +# +# ~$ python2.7 -c 'import platform; print(platform.libc_ver())' +# ('glibc', '2.7') +# ~$ python3.5 -c 'import platform; print(platform.libc_ver())' +# ('glibc', '2.9') +# +# But the truth is: +# +# ~$ ldd --version +# ldd (Debian GLIBC 2.22-11) 2.22 +# +# This is unfortunate, because it means that the linehaul data on libc +# versions that was generated by pip 8.1.2 and earlier is useless and +# misleading. Solution: instead of using platform, use our code that actually +# works. +def libc_ver(): + # type: () -> Tuple[str, str] + """Try to determine the glibc version + + Returns a tuple of strings (lib, version) which default to empty strings + in case the lookup fails. + """ + glibc_version = glibc_version_string() + if glibc_version is None: + return ("", "") + else: + return ("glibc", glibc_version) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/hashes.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/hashes.py new file mode 100644 index 0000000..c6df7a1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/hashes.py @@ -0,0 +1,115 @@ +from __future__ import absolute_import + +import hashlib + +from pip._vendor.six import iteritems, iterkeys, itervalues + +from pip._internal.exceptions import ( + HashMismatch, HashMissing, InstallationError, +) +from pip._internal.utils.misc import read_chunks +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Dict, List, BinaryIO, NoReturn, Iterator + ) + from pip._vendor.six import PY3 + if PY3: + from hashlib import _Hash # noqa: F401 + else: + from hashlib import _hash as _Hash # noqa: F401 + + +# The recommended hash algo of the moment. Change this whenever the state of +# the art changes; it won't hurt backward compatibility. +FAVORITE_HASH = 'sha256' + + +# Names of hashlib algorithms allowed by the --hash option and ``pip hash`` +# Currently, those are the ones at least as collision-resistant as sha256. +STRONG_HASHES = ['sha256', 'sha384', 'sha512'] + + +class Hashes(object): + """A wrapper that builds multiple hashes at once and checks them against + known-good values + + """ + def __init__(self, hashes=None): + # type: (Dict[str, List[str]]) -> None + """ + :param hashes: A dict of algorithm names pointing to lists of allowed + hex digests + """ + self._allowed = {} if hashes is None else hashes + + def check_against_chunks(self, chunks): + # type: (Iterator[bytes]) -> None + """Check good hashes against ones built from iterable of chunks of + data. + + Raise HashMismatch if none match. + + """ + gots = {} + for hash_name in iterkeys(self._allowed): + try: + gots[hash_name] = hashlib.new(hash_name) + except (ValueError, TypeError): + raise InstallationError('Unknown hash name: %s' % hash_name) + + for chunk in chunks: + for hash in itervalues(gots): + hash.update(chunk) + + for hash_name, got in iteritems(gots): + if got.hexdigest() in self._allowed[hash_name]: + return + self._raise(gots) + + def _raise(self, gots): + # type: (Dict[str, _Hash]) -> NoReturn + raise HashMismatch(self._allowed, gots) + + def check_against_file(self, file): + # type: (BinaryIO) -> None + """Check good hashes against a file-like object + + Raise HashMismatch if none match. + + """ + return self.check_against_chunks(read_chunks(file)) + + def check_against_path(self, path): + # type: (str) -> None + with open(path, 'rb') as file: + return self.check_against_file(file) + + def __nonzero__(self): + # type: () -> bool + """Return whether I know any known-good hashes.""" + return bool(self._allowed) + + def __bool__(self): + # type: () -> bool + return self.__nonzero__() + + +class MissingHashes(Hashes): + """A workalike for Hashes used when we're missing a hash for a requirement + + It computes the actual hash of the requirement and raises a HashMissing + exception showing it to the user. + + """ + def __init__(self): + # type: () -> None + """Don't offer the ``hashes`` kwarg.""" + # Pass our favorite hash in to generate a "gotten hash". With the + # empty list, it will never match, so an error will always raise. + super(MissingHashes, self).__init__(hashes={FAVORITE_HASH: []}) + + def _raise(self, gots): + # type: (Dict[str, _Hash]) -> NoReturn + raise HashMissing(gots[FAVORITE_HASH].hexdigest()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/logging.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/logging.py new file mode 100644 index 0000000..579d696 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/logging.py @@ -0,0 +1,318 @@ +from __future__ import absolute_import + +import contextlib +import errno +import logging +import logging.handlers +import os +import sys + +from pip._vendor.six import PY2 + +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.misc import ensure_dir + +try: + import threading +except ImportError: + import dummy_threading as threading # type: ignore + + +try: + from pip._vendor import colorama +# Lots of different errors can come from this, including SystemError and +# ImportError. +except Exception: + colorama = None + + +_log_state = threading.local() +_log_state.indentation = 0 + + +class BrokenStdoutLoggingError(Exception): + """ + Raised if BrokenPipeError occurs for the stdout stream while logging. + """ + pass + + +# BrokenPipeError does not exist in Python 2 and, in addition, manifests +# differently in Windows and non-Windows. +if WINDOWS: + # In Windows, a broken pipe can show up as EINVAL rather than EPIPE: + # https://bugs.python.org/issue19612 + # https://bugs.python.org/issue30418 + if PY2: + def _is_broken_pipe_error(exc_class, exc): + """See the docstring for non-Windows Python 3 below.""" + return (exc_class is IOError and + exc.errno in (errno.EINVAL, errno.EPIPE)) + else: + # In Windows, a broken pipe IOError became OSError in Python 3. + def _is_broken_pipe_error(exc_class, exc): + """See the docstring for non-Windows Python 3 below.""" + return ((exc_class is BrokenPipeError) or # noqa: F821 + (exc_class is OSError and + exc.errno in (errno.EINVAL, errno.EPIPE))) +elif PY2: + def _is_broken_pipe_error(exc_class, exc): + """See the docstring for non-Windows Python 3 below.""" + return (exc_class is IOError and exc.errno == errno.EPIPE) +else: + # Then we are in the non-Windows Python 3 case. + def _is_broken_pipe_error(exc_class, exc): + """ + Return whether an exception is a broken pipe error. + + Args: + exc_class: an exception class. + exc: an exception instance. + """ + return (exc_class is BrokenPipeError) # noqa: F821 + + +@contextlib.contextmanager +def indent_log(num=2): + """ + A context manager which will cause the log output to be indented for any + log messages emitted inside it. + """ + _log_state.indentation += num + try: + yield + finally: + _log_state.indentation -= num + + +def get_indentation(): + return getattr(_log_state, 'indentation', 0) + + +class IndentingFormatter(logging.Formatter): + def __init__(self, *args, **kwargs): + """ + A logging.Formatter obeying containing indent_log contexts. + + :param add_timestamp: A bool indicating output lines should be prefixed + with their record's timestamp. + """ + self.add_timestamp = kwargs.pop("add_timestamp", False) + super(IndentingFormatter, self).__init__(*args, **kwargs) + + def format(self, record): + """ + Calls the standard formatter, but will indent all of the log messages + by our current indentation level. + """ + formatted = super(IndentingFormatter, self).format(record) + prefix = '' + if self.add_timestamp: + prefix = self.formatTime(record, "%Y-%m-%dT%H:%M:%S ") + prefix += " " * get_indentation() + formatted = "".join([ + prefix + line + for line in formatted.splitlines(True) + ]) + return formatted + + +def _color_wrap(*colors): + def wrapped(inp): + return "".join(list(colors) + [inp, colorama.Style.RESET_ALL]) + return wrapped + + +class ColorizedStreamHandler(logging.StreamHandler): + + # Don't build up a list of colors if we don't have colorama + if colorama: + COLORS = [ + # This needs to be in order from highest logging level to lowest. + (logging.ERROR, _color_wrap(colorama.Fore.RED)), + (logging.WARNING, _color_wrap(colorama.Fore.YELLOW)), + ] + else: + COLORS = [] + + def __init__(self, stream=None, no_color=None): + logging.StreamHandler.__init__(self, stream) + self._no_color = no_color + + if WINDOWS and colorama: + self.stream = colorama.AnsiToWin32(self.stream) + + def _using_stdout(self): + """ + Return whether the handler is using sys.stdout. + """ + if WINDOWS and colorama: + # Then self.stream is an AnsiToWin32 object. + return self.stream.wrapped is sys.stdout + + return self.stream is sys.stdout + + def should_color(self): + # Don't colorize things if we do not have colorama or if told not to + if not colorama or self._no_color: + return False + + real_stream = ( + self.stream if not isinstance(self.stream, colorama.AnsiToWin32) + else self.stream.wrapped + ) + + # If the stream is a tty we should color it + if hasattr(real_stream, "isatty") and real_stream.isatty(): + return True + + # If we have an ANSI term we should color it + if os.environ.get("TERM") == "ANSI": + return True + + # If anything else we should not color it + return False + + def format(self, record): + msg = logging.StreamHandler.format(self, record) + + if self.should_color(): + for level, color in self.COLORS: + if record.levelno >= level: + msg = color(msg) + break + + return msg + + # The logging module says handleError() can be customized. + def handleError(self, record): + exc_class, exc = sys.exc_info()[:2] + # If a broken pipe occurred while calling write() or flush() on the + # stdout stream in logging's Handler.emit(), then raise our special + # exception so we can handle it in main() instead of logging the + # broken pipe error and continuing. + if (exc_class and self._using_stdout() and + _is_broken_pipe_error(exc_class, exc)): + raise BrokenStdoutLoggingError() + + return super(ColorizedStreamHandler, self).handleError(record) + + +class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler): + + def _open(self): + ensure_dir(os.path.dirname(self.baseFilename)) + return logging.handlers.RotatingFileHandler._open(self) + + +class MaxLevelFilter(logging.Filter): + + def __init__(self, level): + self.level = level + + def filter(self, record): + return record.levelno < self.level + + +def setup_logging(verbosity, no_color, user_log_file): + """Configures and sets up all of the logging + + Returns the requested logging level, as its integer value. + """ + + # Determine the level to be logging at. + if verbosity >= 1: + level = "DEBUG" + elif verbosity == -1: + level = "WARNING" + elif verbosity == -2: + level = "ERROR" + elif verbosity <= -3: + level = "CRITICAL" + else: + level = "INFO" + + level_number = getattr(logging, level) + + # The "root" logger should match the "console" level *unless* we also need + # to log to a user log file. + include_user_log = user_log_file is not None + if include_user_log: + additional_log_file = user_log_file + root_level = "DEBUG" + else: + additional_log_file = "/dev/null" + root_level = level + + # Disable any logging besides WARNING unless we have DEBUG level logging + # enabled for vendored libraries. + vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG" + + # Shorthands for clarity + log_streams = { + "stdout": "ext://sys.stdout", + "stderr": "ext://sys.stderr", + } + handler_classes = { + "stream": "pip._internal.utils.logging.ColorizedStreamHandler", + "file": "pip._internal.utils.logging.BetterRotatingFileHandler", + } + + logging.config.dictConfig({ + "version": 1, + "disable_existing_loggers": False, + "filters": { + "exclude_warnings": { + "()": "pip._internal.utils.logging.MaxLevelFilter", + "level": logging.WARNING, + }, + }, + "formatters": { + "indent": { + "()": IndentingFormatter, + "format": "%(message)s", + }, + "indent_with_timestamp": { + "()": IndentingFormatter, + "format": "%(message)s", + "add_timestamp": True, + }, + }, + "handlers": { + "console": { + "level": level, + "class": handler_classes["stream"], + "no_color": no_color, + "stream": log_streams["stdout"], + "filters": ["exclude_warnings"], + "formatter": "indent", + }, + "console_errors": { + "level": "WARNING", + "class": handler_classes["stream"], + "no_color": no_color, + "stream": log_streams["stderr"], + "formatter": "indent", + }, + "user_log": { + "level": "DEBUG", + "class": handler_classes["file"], + "filename": additional_log_file, + "delay": True, + "formatter": "indent_with_timestamp", + }, + }, + "root": { + "level": root_level, + "handlers": ["console", "console_errors"] + ( + ["user_log"] if include_user_log else [] + ), + }, + "loggers": { + "pip._vendor": { + "level": vendored_log_level + } + }, + }) + + return level_number diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/misc.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/misc.py new file mode 100644 index 0000000..84605ee --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/misc.py @@ -0,0 +1,1040 @@ +from __future__ import absolute_import + +import contextlib +import errno +import io +import locale +# we have a submodule named 'logging' which would shadow this if we used the +# regular name: +import logging as std_logging +import os +import posixpath +import re +import shutil +import stat +import subprocess +import sys +import tarfile +import zipfile +from collections import deque + +from pip._vendor import pkg_resources +# NOTE: retrying is not annotated in typeshed as on 2017-07-17, which is +# why we ignore the type on this import. +from pip._vendor.retrying import retry # type: ignore +from pip._vendor.six import PY2 +from pip._vendor.six.moves import input +from pip._vendor.six.moves.urllib import parse as urllib_parse +from pip._vendor.six.moves.urllib.parse import unquote as urllib_unquote + +from pip._internal.exceptions import CommandError, InstallationError +from pip._internal.locations import ( + running_under_virtualenv, site_packages, user_site, virtualenv_no_global, + write_delete_marker_file, +) +from pip._internal.utils.compat import ( + WINDOWS, console_to_str, expanduser, stdlib_pkgs, +) +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if PY2: + from io import BytesIO as StringIO +else: + from io import StringIO + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Optional, Tuple, Iterable, List, Match, Union, Any, Mapping, Text, + AnyStr, Container + ) + from pip._vendor.pkg_resources import Distribution # noqa: F401 + from pip._internal.models.link import Link # noqa: F401 + from pip._internal.utils.ui import SpinnerInterface # noqa: F401 + + +__all__ = ['rmtree', 'display_path', 'backup_dir', + 'ask', 'splitext', + 'format_size', 'is_installable_dir', + 'is_svn_page', 'file_contents', + 'split_leading_dir', 'has_leading_dir', + 'normalize_path', + 'renames', 'get_prog', + 'unzip_file', 'untar_file', 'unpack_file', 'call_subprocess', + 'captured_stdout', 'ensure_dir', + 'ARCHIVE_EXTENSIONS', 'SUPPORTED_EXTENSIONS', 'WHEEL_EXTENSION', + 'get_installed_version', 'remove_auth_from_url'] + + +logger = std_logging.getLogger(__name__) + +WHEEL_EXTENSION = '.whl' +BZ2_EXTENSIONS = ('.tar.bz2', '.tbz') +XZ_EXTENSIONS = ('.tar.xz', '.txz', '.tlz', '.tar.lz', '.tar.lzma') +ZIP_EXTENSIONS = ('.zip', WHEEL_EXTENSION) +TAR_EXTENSIONS = ('.tar.gz', '.tgz', '.tar') +ARCHIVE_EXTENSIONS = ( + ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS) +SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS + +try: + import bz2 # noqa + SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS +except ImportError: + logger.debug('bz2 module is not available') + +try: + # Only for Python 3.3+ + import lzma # noqa + SUPPORTED_EXTENSIONS += XZ_EXTENSIONS +except ImportError: + logger.debug('lzma module is not available') + + +def ensure_dir(path): + # type: (AnyStr) -> None + """os.path.makedirs without EEXIST.""" + try: + os.makedirs(path) + except OSError as e: + if e.errno != errno.EEXIST: + raise + + +def get_prog(): + # type: () -> str + try: + prog = os.path.basename(sys.argv[0]) + if prog in ('__main__.py', '-c'): + return "%s -m pip" % sys.executable + else: + return prog + except (AttributeError, TypeError, IndexError): + pass + return 'pip' + + +# Retry every half second for up to 3 seconds +@retry(stop_max_delay=3000, wait_fixed=500) +def rmtree(dir, ignore_errors=False): + # type: (str, bool) -> None + shutil.rmtree(dir, ignore_errors=ignore_errors, + onerror=rmtree_errorhandler) + + +def rmtree_errorhandler(func, path, exc_info): + """On Windows, the files in .svn are read-only, so when rmtree() tries to + remove them, an exception is thrown. We catch that here, remove the + read-only attribute, and hopefully continue without problems.""" + # if file type currently read only + if os.stat(path).st_mode & stat.S_IREAD: + # convert to read/write + os.chmod(path, stat.S_IWRITE) + # use the original function to repeat the operation + func(path) + return + else: + raise + + +def display_path(path): + # type: (Union[str, Text]) -> str + """Gives the display value for a given path, making it relative to cwd + if possible.""" + path = os.path.normcase(os.path.abspath(path)) + if sys.version_info[0] == 2: + path = path.decode(sys.getfilesystemencoding(), 'replace') + path = path.encode(sys.getdefaultencoding(), 'replace') + if path.startswith(os.getcwd() + os.path.sep): + path = '.' + path[len(os.getcwd()):] + return path + + +def backup_dir(dir, ext='.bak'): + # type: (str, str) -> str + """Figure out the name of a directory to back up the given dir to + (adding .bak, .bak2, etc)""" + n = 1 + extension = ext + while os.path.exists(dir + extension): + n += 1 + extension = ext + str(n) + return dir + extension + + +def ask_path_exists(message, options): + # type: (str, Iterable[str]) -> str + for action in os.environ.get('PIP_EXISTS_ACTION', '').split(): + if action in options: + return action + return ask(message, options) + + +def ask(message, options): + # type: (str, Iterable[str]) -> str + """Ask the message interactively, with the given possible responses""" + while 1: + if os.environ.get('PIP_NO_INPUT'): + raise Exception( + 'No input was expected ($PIP_NO_INPUT set); question: %s' % + message + ) + response = input(message) + response = response.strip().lower() + if response not in options: + print( + 'Your response (%r) was not one of the expected responses: ' + '%s' % (response, ', '.join(options)) + ) + else: + return response + + +def format_size(bytes): + # type: (float) -> str + if bytes > 1000 * 1000: + return '%.1fMB' % (bytes / 1000.0 / 1000) + elif bytes > 10 * 1000: + return '%ikB' % (bytes / 1000) + elif bytes > 1000: + return '%.1fkB' % (bytes / 1000.0) + else: + return '%ibytes' % bytes + + +def is_installable_dir(path): + # type: (str) -> bool + """Is path is a directory containing setup.py or pyproject.toml? + """ + if not os.path.isdir(path): + return False + setup_py = os.path.join(path, 'setup.py') + if os.path.isfile(setup_py): + return True + pyproject_toml = os.path.join(path, 'pyproject.toml') + if os.path.isfile(pyproject_toml): + return True + return False + + +def is_svn_page(html): + # type: (Union[str, Text]) -> Optional[Match[Union[str, Text]]] + """ + Returns true if the page appears to be the index page of an svn repository + """ + return (re.search(r'[^<]*Revision \d+:', html) and + re.search(r'Powered by (?:<a[^>]*?>)?Subversion', html, re.I)) + + +def file_contents(filename): + # type: (str) -> Text + with open(filename, 'rb') as fp: + return fp.read().decode('utf-8') + + +def read_chunks(file, size=io.DEFAULT_BUFFER_SIZE): + """Yield pieces of data from a file-like object until EOF.""" + while True: + chunk = file.read(size) + if not chunk: + break + yield chunk + + +def split_leading_dir(path): + # type: (Union[str, Text]) -> List[Union[str, Text]] + path = path.lstrip('/').lstrip('\\') + if '/' in path and (('\\' in path and path.find('/') < path.find('\\')) or + '\\' not in path): + return path.split('/', 1) + elif '\\' in path: + return path.split('\\', 1) + else: + return [path, ''] + + +def has_leading_dir(paths): + # type: (Iterable[Union[str, Text]]) -> bool + """Returns true if all the paths have the same leading path name + (i.e., everything is in one subdirectory in an archive)""" + common_prefix = None + for path in paths: + prefix, rest = split_leading_dir(path) + if not prefix: + return False + elif common_prefix is None: + common_prefix = prefix + elif prefix != common_prefix: + return False + return True + + +def normalize_path(path, resolve_symlinks=True): + # type: (str, bool) -> str + """ + Convert a path to its canonical, case-normalized, absolute version. + + """ + path = expanduser(path) + if resolve_symlinks: + path = os.path.realpath(path) + else: + path = os.path.abspath(path) + return os.path.normcase(path) + + +def splitext(path): + # type: (str) -> Tuple[str, str] + """Like os.path.splitext, but take off .tar too""" + base, ext = posixpath.splitext(path) + if base.lower().endswith('.tar'): + ext = base[-4:] + ext + base = base[:-4] + return base, ext + + +def renames(old, new): + # type: (str, str) -> None + """Like os.renames(), but handles renaming across devices.""" + # Implementation borrowed from os.renames(). + head, tail = os.path.split(new) + if head and tail and not os.path.exists(head): + os.makedirs(head) + + shutil.move(old, new) + + head, tail = os.path.split(old) + if head and tail: + try: + os.removedirs(head) + except OSError: + pass + + +def is_local(path): + # type: (str) -> bool + """ + Return True if path is within sys.prefix, if we're running in a virtualenv. + + If we're not in a virtualenv, all paths are considered "local." + + """ + if not running_under_virtualenv(): + return True + return normalize_path(path).startswith(normalize_path(sys.prefix)) + + +def dist_is_local(dist): + # type: (Distribution) -> bool + """ + Return True if given Distribution object is installed locally + (i.e. within current virtualenv). + + Always True if we're not in a virtualenv. + + """ + return is_local(dist_location(dist)) + + +def dist_in_usersite(dist): + # type: (Distribution) -> bool + """ + Return True if given Distribution is installed in user site. + """ + norm_path = normalize_path(dist_location(dist)) + return norm_path.startswith(normalize_path(user_site)) + + +def dist_in_site_packages(dist): + # type: (Distribution) -> bool + """ + Return True if given Distribution is installed in + sysconfig.get_python_lib(). + """ + return normalize_path( + dist_location(dist) + ).startswith(normalize_path(site_packages)) + + +def dist_is_editable(dist): + # type: (Distribution) -> bool + """ + Return True if given Distribution is an editable install. + """ + for path_item in sys.path: + egg_link = os.path.join(path_item, dist.project_name + '.egg-link') + if os.path.isfile(egg_link): + return True + return False + + +def get_installed_distributions(local_only=True, + skip=stdlib_pkgs, + include_editables=True, + editables_only=False, + user_only=False): + # type: (bool, Container[str], bool, bool, bool) -> List[Distribution] + """ + Return a list of installed Distribution objects. + + If ``local_only`` is True (default), only return installations + local to the current virtualenv, if in a virtualenv. + + ``skip`` argument is an iterable of lower-case project names to + ignore; defaults to stdlib_pkgs + + If ``include_editables`` is False, don't report editables. + + If ``editables_only`` is True , only report editables. + + If ``user_only`` is True , only report installations in the user + site directory. + + """ + if local_only: + local_test = dist_is_local + else: + def local_test(d): + return True + + if include_editables: + def editable_test(d): + return True + else: + def editable_test(d): + return not dist_is_editable(d) + + if editables_only: + def editables_only_test(d): + return dist_is_editable(d) + else: + def editables_only_test(d): + return True + + if user_only: + user_test = dist_in_usersite + else: + def user_test(d): + return True + + # because of pkg_resources vendoring, mypy cannot find stub in typeshed + return [d for d in pkg_resources.working_set # type: ignore + if local_test(d) and + d.key not in skip and + editable_test(d) and + editables_only_test(d) and + user_test(d) + ] + + +def egg_link_path(dist): + # type: (Distribution) -> Optional[str] + """ + Return the path for the .egg-link file if it exists, otherwise, None. + + There's 3 scenarios: + 1) not in a virtualenv + try to find in site.USER_SITE, then site_packages + 2) in a no-global virtualenv + try to find in site_packages + 3) in a yes-global virtualenv + try to find in site_packages, then site.USER_SITE + (don't look in global location) + + For #1 and #3, there could be odd cases, where there's an egg-link in 2 + locations. + + This method will just return the first one found. + """ + sites = [] + if running_under_virtualenv(): + if virtualenv_no_global(): + sites.append(site_packages) + else: + sites.append(site_packages) + if user_site: + sites.append(user_site) + else: + if user_site: + sites.append(user_site) + sites.append(site_packages) + + for site in sites: + egglink = os.path.join(site, dist.project_name) + '.egg-link' + if os.path.isfile(egglink): + return egglink + return None + + +def dist_location(dist): + # type: (Distribution) -> str + """ + Get the site-packages location of this distribution. Generally + this is dist.location, except in the case of develop-installed + packages, where dist.location is the source code location, and we + want to know where the egg-link file is. + + """ + egg_link = egg_link_path(dist) + if egg_link: + return egg_link + return dist.location + + +def current_umask(): + """Get the current umask which involves having to set it temporarily.""" + mask = os.umask(0) + os.umask(mask) + return mask + + +def unzip_file(filename, location, flatten=True): + # type: (str, str, bool) -> None + """ + Unzip the file (with path `filename`) to the destination `location`. All + files are written based on system defaults and umask (i.e. permissions are + not preserved), except that regular file members with any execute + permissions (user, group, or world) have "chmod +x" applied after being + written. Note that for windows, any execute changes using os.chmod are + no-ops per the python docs. + """ + ensure_dir(location) + zipfp = open(filename, 'rb') + try: + zip = zipfile.ZipFile(zipfp, allowZip64=True) + leading = has_leading_dir(zip.namelist()) and flatten + for info in zip.infolist(): + name = info.filename + fn = name + if leading: + fn = split_leading_dir(name)[1] + fn = os.path.join(location, fn) + dir = os.path.dirname(fn) + if fn.endswith('/') or fn.endswith('\\'): + # A directory + ensure_dir(fn) + else: + ensure_dir(dir) + # Don't use read() to avoid allocating an arbitrarily large + # chunk of memory for the file's content + fp = zip.open(name) + try: + with open(fn, 'wb') as destfp: + shutil.copyfileobj(fp, destfp) + finally: + fp.close() + mode = info.external_attr >> 16 + # if mode and regular file and any execute permissions for + # user/group/world? + if mode and stat.S_ISREG(mode) and mode & 0o111: + # make dest file have execute for user/group/world + # (chmod +x) no-op on windows per python docs + os.chmod(fn, (0o777 - current_umask() | 0o111)) + finally: + zipfp.close() + + +def untar_file(filename, location): + # type: (str, str) -> None + """ + Untar the file (with path `filename`) to the destination `location`. + All files are written based on system defaults and umask (i.e. permissions + are not preserved), except that regular file members with any execute + permissions (user, group, or world) have "chmod +x" applied after being + written. Note that for windows, any execute changes using os.chmod are + no-ops per the python docs. + """ + ensure_dir(location) + if filename.lower().endswith('.gz') or filename.lower().endswith('.tgz'): + mode = 'r:gz' + elif filename.lower().endswith(BZ2_EXTENSIONS): + mode = 'r:bz2' + elif filename.lower().endswith(XZ_EXTENSIONS): + mode = 'r:xz' + elif filename.lower().endswith('.tar'): + mode = 'r' + else: + logger.warning( + 'Cannot determine compression type for file %s', filename, + ) + mode = 'r:*' + tar = tarfile.open(filename, mode) + try: + leading = has_leading_dir([ + member.name for member in tar.getmembers() + ]) + for member in tar.getmembers(): + fn = member.name + if leading: + # https://github.com/python/mypy/issues/1174 + fn = split_leading_dir(fn)[1] # type: ignore + path = os.path.join(location, fn) + if member.isdir(): + ensure_dir(path) + elif member.issym(): + try: + # https://github.com/python/typeshed/issues/2673 + tar._extract_member(member, path) # type: ignore + except Exception as exc: + # Some corrupt tar files seem to produce this + # (specifically bad symlinks) + logger.warning( + 'In the tar file %s the member %s is invalid: %s', + filename, member.name, exc, + ) + continue + else: + try: + fp = tar.extractfile(member) + except (KeyError, AttributeError) as exc: + # Some corrupt tar files seem to produce this + # (specifically bad symlinks) + logger.warning( + 'In the tar file %s the member %s is invalid: %s', + filename, member.name, exc, + ) + continue + ensure_dir(os.path.dirname(path)) + with open(path, 'wb') as destfp: + shutil.copyfileobj(fp, destfp) + fp.close() + # Update the timestamp (useful for cython compiled files) + # https://github.com/python/typeshed/issues/2673 + tar.utime(member, path) # type: ignore + # member have any execute permissions for user/group/world? + if member.mode & 0o111: + # make dest file have execute for user/group/world + # no-op on windows per python docs + os.chmod(path, (0o777 - current_umask() | 0o111)) + finally: + tar.close() + + +def unpack_file( + filename, # type: str + location, # type: str + content_type, # type: Optional[str] + link # type: Optional[Link] +): + # type: (...) -> None + filename = os.path.realpath(filename) + if (content_type == 'application/zip' or + filename.lower().endswith(ZIP_EXTENSIONS) or + zipfile.is_zipfile(filename)): + unzip_file( + filename, + location, + flatten=not filename.endswith('.whl') + ) + elif (content_type == 'application/x-gzip' or + tarfile.is_tarfile(filename) or + filename.lower().endswith( + TAR_EXTENSIONS + BZ2_EXTENSIONS + XZ_EXTENSIONS)): + untar_file(filename, location) + elif (content_type and content_type.startswith('text/html') and + is_svn_page(file_contents(filename))): + # We don't really care about this + from pip._internal.vcs.subversion import Subversion + Subversion('svn+' + link.url).unpack(location) + else: + # FIXME: handle? + # FIXME: magic signatures? + logger.critical( + 'Cannot unpack file %s (downloaded from %s, content-type: %s); ' + 'cannot detect archive format', + filename, location, content_type, + ) + raise InstallationError( + 'Cannot determine archive format of %s' % location + ) + + +def call_subprocess( + cmd, # type: List[str] + show_stdout=True, # type: bool + cwd=None, # type: Optional[str] + on_returncode='raise', # type: str + extra_ok_returncodes=None, # type: Optional[Iterable[int]] + command_desc=None, # type: Optional[str] + extra_environ=None, # type: Optional[Mapping[str, Any]] + unset_environ=None, # type: Optional[Iterable[str]] + spinner=None # type: Optional[SpinnerInterface] +): + # type: (...) -> Optional[Text] + """ + Args: + extra_ok_returncodes: an iterable of integer return codes that are + acceptable, in addition to 0. Defaults to None, which means []. + unset_environ: an iterable of environment variable names to unset + prior to calling subprocess.Popen(). + """ + if extra_ok_returncodes is None: + extra_ok_returncodes = [] + if unset_environ is None: + unset_environ = [] + # This function's handling of subprocess output is confusing and I + # previously broke it terribly, so as penance I will write a long comment + # explaining things. + # + # The obvious thing that affects output is the show_stdout= + # kwarg. show_stdout=True means, let the subprocess write directly to our + # stdout. Even though it is nominally the default, it is almost never used + # inside pip (and should not be used in new code without a very good + # reason); as of 2016-02-22 it is only used in a few places inside the VCS + # wrapper code. Ideally we should get rid of it entirely, because it + # creates a lot of complexity here for a rarely used feature. + # + # Most places in pip set show_stdout=False. What this means is: + # - We connect the child stdout to a pipe, which we read. + # - By default, we hide the output but show a spinner -- unless the + # subprocess exits with an error, in which case we show the output. + # - If the --verbose option was passed (= loglevel is DEBUG), then we show + # the output unconditionally. (But in this case we don't want to show + # the output a second time if it turns out that there was an error.) + # + # stderr is always merged with stdout (even if show_stdout=True). + if show_stdout: + stdout = None + else: + stdout = subprocess.PIPE + if command_desc is None: + cmd_parts = [] + for part in cmd: + if ' ' in part or '\n' in part or '"' in part or "'" in part: + part = '"%s"' % part.replace('"', '\\"') + cmd_parts.append(part) + command_desc = ' '.join(cmd_parts) + logger.debug("Running command %s", command_desc) + env = os.environ.copy() + if extra_environ: + env.update(extra_environ) + for name in unset_environ: + env.pop(name, None) + try: + proc = subprocess.Popen( + cmd, stderr=subprocess.STDOUT, stdin=subprocess.PIPE, + stdout=stdout, cwd=cwd, env=env, + ) + proc.stdin.close() + except Exception as exc: + logger.critical( + "Error %s while executing command %s", exc, command_desc, + ) + raise + all_output = [] + if stdout is not None: + while True: + line = console_to_str(proc.stdout.readline()) + if not line: + break + line = line.rstrip() + all_output.append(line + '\n') + if logger.getEffectiveLevel() <= std_logging.DEBUG: + # Show the line immediately + logger.debug(line) + else: + # Update the spinner + if spinner is not None: + spinner.spin() + try: + proc.wait() + finally: + if proc.stdout: + proc.stdout.close() + if spinner is not None: + if proc.returncode: + spinner.finish("error") + else: + spinner.finish("done") + if proc.returncode and proc.returncode not in extra_ok_returncodes: + if on_returncode == 'raise': + if (logger.getEffectiveLevel() > std_logging.DEBUG and + not show_stdout): + logger.info( + 'Complete output from command %s:', command_desc, + ) + logger.info( + ''.join(all_output) + + '\n----------------------------------------' + ) + raise InstallationError( + 'Command "%s" failed with error code %s in %s' + % (command_desc, proc.returncode, cwd)) + elif on_returncode == 'warn': + logger.warning( + 'Command "%s" had error code %s in %s', + command_desc, proc.returncode, cwd, + ) + elif on_returncode == 'ignore': + pass + else: + raise ValueError('Invalid value: on_returncode=%s' % + repr(on_returncode)) + if not show_stdout: + return ''.join(all_output) + return None + + +def read_text_file(filename): + # type: (str) -> str + """Return the contents of *filename*. + + Try to decode the file contents with utf-8, the preferred system encoding + (e.g., cp1252 on some Windows machines), and latin1, in that order. + Decoding a byte string with latin1 will never raise an error. In the worst + case, the returned string will contain some garbage characters. + + """ + with open(filename, 'rb') as fp: + data = fp.read() + + encodings = ['utf-8', locale.getpreferredencoding(False), 'latin1'] + for enc in encodings: + try: + # https://github.com/python/mypy/issues/1174 + data = data.decode(enc) # type: ignore + except UnicodeDecodeError: + continue + break + + assert not isinstance(data, bytes) # Latin1 should have worked. + return data + + +def _make_build_dir(build_dir): + os.makedirs(build_dir) + write_delete_marker_file(build_dir) + + +class FakeFile(object): + """Wrap a list of lines in an object with readline() to make + ConfigParser happy.""" + def __init__(self, lines): + self._gen = (l for l in lines) + + def readline(self): + try: + try: + return next(self._gen) + except NameError: + return self._gen.next() + except StopIteration: + return '' + + def __iter__(self): + return self._gen + + +class StreamWrapper(StringIO): + + @classmethod + def from_stream(cls, orig_stream): + cls.orig_stream = orig_stream + return cls() + + # compileall.compile_dir() needs stdout.encoding to print to stdout + @property + def encoding(self): + return self.orig_stream.encoding + + +@contextlib.contextmanager +def captured_output(stream_name): + """Return a context manager used by captured_stdout/stdin/stderr + that temporarily replaces the sys stream *stream_name* with a StringIO. + + Taken from Lib/support/__init__.py in the CPython repo. + """ + orig_stdout = getattr(sys, stream_name) + setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout)) + try: + yield getattr(sys, stream_name) + finally: + setattr(sys, stream_name, orig_stdout) + + +def captured_stdout(): + """Capture the output of sys.stdout: + + with captured_stdout() as stdout: + print('hello') + self.assertEqual(stdout.getvalue(), 'hello\n') + + Taken from Lib/support/__init__.py in the CPython repo. + """ + return captured_output('stdout') + + +def captured_stderr(): + """ + See captured_stdout(). + """ + return captured_output('stderr') + + +class cached_property(object): + """A property that is only computed once per instance and then replaces + itself with an ordinary attribute. Deleting the attribute resets the + property. + + Source: https://github.com/bottlepy/bottle/blob/0.11.5/bottle.py#L175 + """ + + def __init__(self, func): + self.__doc__ = getattr(func, '__doc__') + self.func = func + + def __get__(self, obj, cls): + if obj is None: + # We're being accessed from the class itself, not from an object + return self + value = obj.__dict__[self.func.__name__] = self.func(obj) + return value + + +def get_installed_version(dist_name, working_set=None): + """Get the installed version of dist_name avoiding pkg_resources cache""" + # Create a requirement that we'll look for inside of setuptools. + req = pkg_resources.Requirement.parse(dist_name) + + if working_set is None: + # We want to avoid having this cached, so we need to construct a new + # working set each time. + working_set = pkg_resources.WorkingSet() + + # Get the installed distribution from our working set + dist = working_set.find(req) + + # Check to see if we got an installed distribution or not, if we did + # we want to return it's version. + return dist.version if dist else None + + +def consume(iterator): + """Consume an iterable at C speed.""" + deque(iterator, maxlen=0) + + +# Simulates an enum +def enum(*sequential, **named): + enums = dict(zip(sequential, range(len(sequential))), **named) + reverse = {value: key for key, value in enums.items()} + enums['reverse_mapping'] = reverse + return type('Enum', (), enums) + + +def make_vcs_requirement_url(repo_url, rev, project_name, subdir=None): + """ + Return the URL for a VCS requirement. + + Args: + repo_url: the remote VCS url, with any needed VCS prefix (e.g. "git+"). + project_name: the (unescaped) project name. + """ + egg_project_name = pkg_resources.to_filename(project_name) + req = '{}@{}#egg={}'.format(repo_url, rev, egg_project_name) + if subdir: + req += '&subdirectory={}'.format(subdir) + + return req + + +def split_auth_from_netloc(netloc): + """ + Parse out and remove the auth information from a netloc. + + Returns: (netloc, (username, password)). + """ + if '@' not in netloc: + return netloc, (None, None) + + # Split from the right because that's how urllib.parse.urlsplit() + # behaves if more than one @ is present (which can be checked using + # the password attribute of urlsplit()'s return value). + auth, netloc = netloc.rsplit('@', 1) + if ':' in auth: + # Split from the left because that's how urllib.parse.urlsplit() + # behaves if more than one : is present (which again can be checked + # using the password attribute of the return value) + user_pass = auth.split(':', 1) + else: + user_pass = auth, None + + user_pass = tuple( + None if x is None else urllib_unquote(x) for x in user_pass + ) + + return netloc, user_pass + + +def redact_netloc(netloc): + # type: (str) -> str + """ + Replace the password in a netloc with "****", if it exists. + + For example, "user:pass@example.com" returns "user:****@example.com". + """ + netloc, (user, password) = split_auth_from_netloc(netloc) + if user is None: + return netloc + password = '' if password is None else ':****' + return '{user}{password}@{netloc}'.format(user=urllib_parse.quote(user), + password=password, + netloc=netloc) + + +def _transform_url(url, transform_netloc): + purl = urllib_parse.urlsplit(url) + netloc = transform_netloc(purl.netloc) + # stripped url + url_pieces = ( + purl.scheme, netloc, purl.path, purl.query, purl.fragment + ) + surl = urllib_parse.urlunsplit(url_pieces) + return surl + + +def _get_netloc(netloc): + return split_auth_from_netloc(netloc)[0] + + +def remove_auth_from_url(url): + # type: (str) -> str + # Return a copy of url with 'username:password@' removed. + # username/pass params are passed to subversion through flags + # and are not recognized in the url. + return _transform_url(url, _get_netloc) + + +def redact_password_from_url(url): + # type: (str) -> str + """Replace the password in a given url with ****.""" + return _transform_url(url, redact_netloc) + + +def protect_pip_from_modification_on_windows(modifying_pip): + """Protection of pip.exe from modification on Windows + + On Windows, any operation modifying pip should be run as: + python -m pip ... + """ + pip_names = [ + "pip.exe", + "pip{}.exe".format(sys.version_info[0]), + "pip{}.{}.exe".format(*sys.version_info[:2]) + ] + + # See https://github.com/pypa/pip/issues/1299 for more discussion + should_show_use_python_msg = ( + modifying_pip and + WINDOWS and + os.path.basename(sys.argv[0]) in pip_names + ) + + if should_show_use_python_msg: + new_command = [ + sys.executable, "-m", "pip" + ] + sys.argv[1:] + raise CommandError( + 'To modify pip, please run the following command:\n{}' + .format(" ".join(new_command)) + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/models.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/models.py new file mode 100644 index 0000000..d5cb80a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/models.py @@ -0,0 +1,40 @@ +"""Utilities for defining models +""" + +import operator + + +class KeyBasedCompareMixin(object): + """Provides comparision capabilities that is based on a key + """ + + def __init__(self, key, defining_class): + self._compare_key = key + self._defining_class = defining_class + + def __hash__(self): + return hash(self._compare_key) + + def __lt__(self, other): + return self._compare(other, operator.__lt__) + + def __le__(self, other): + return self._compare(other, operator.__le__) + + def __gt__(self, other): + return self._compare(other, operator.__gt__) + + def __ge__(self, other): + return self._compare(other, operator.__ge__) + + def __eq__(self, other): + return self._compare(other, operator.__eq__) + + def __ne__(self, other): + return self._compare(other, operator.__ne__) + + def _compare(self, other, method): + if not isinstance(other, self._defining_class): + return NotImplemented + + return method(self._compare_key, other._compare_key) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py new file mode 100644 index 0000000..37c47a4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py @@ -0,0 +1,164 @@ +from __future__ import absolute_import + +import datetime +import json +import logging +import os.path +import sys + +from pip._vendor import lockfile, pkg_resources +from pip._vendor.packaging import version as packaging_version + +from pip._internal.index import PackageFinder +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.misc import ensure_dir, get_installed_version +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + import optparse # noqa: F401 + from typing import Any, Dict # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + + +SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ" + + +logger = logging.getLogger(__name__) + + +class SelfCheckState(object): + def __init__(self, cache_dir): + # type: (str) -> None + self.state = {} # type: Dict[str, Any] + self.statefile_path = None + + # Try to load the existing state + if cache_dir: + self.statefile_path = os.path.join(cache_dir, "selfcheck.json") + try: + with open(self.statefile_path) as statefile: + self.state = json.load(statefile)[sys.prefix] + except (IOError, ValueError, KeyError): + # Explicitly suppressing exceptions, since we don't want to + # error out if the cache file is invalid. + pass + + def save(self, pypi_version, current_time): + # type: (str, datetime.datetime) -> None + # If we do not have a path to cache in, don't bother saving. + if not self.statefile_path: + return + + # Check to make sure that we own the directory + if not check_path_owner(os.path.dirname(self.statefile_path)): + return + + # Now that we've ensured the directory is owned by this user, we'll go + # ahead and make sure that all our directories are created. + ensure_dir(os.path.dirname(self.statefile_path)) + + # Attempt to write out our version check file + with lockfile.LockFile(self.statefile_path): + if os.path.exists(self.statefile_path): + with open(self.statefile_path) as statefile: + state = json.load(statefile) + else: + state = {} + + state[sys.prefix] = { + "last_check": current_time.strftime(SELFCHECK_DATE_FMT), + "pypi_version": pypi_version, + } + + with open(self.statefile_path, "w") as statefile: + json.dump(state, statefile, sort_keys=True, + separators=(",", ":")) + + +def was_installed_by_pip(pkg): + # type: (str) -> bool + """Checks whether pkg was installed by pip + + This is used not to display the upgrade message when pip is in fact + installed by system package manager, such as dnf on Fedora. + """ + try: + dist = pkg_resources.get_distribution(pkg) + return (dist.has_metadata('INSTALLER') and + 'pip' in dist.get_metadata_lines('INSTALLER')) + except pkg_resources.DistributionNotFound: + return False + + +def pip_version_check(session, options): + # type: (PipSession, optparse.Values) -> None + """Check for an update for pip. + + Limit the frequency of checks to once per week. State is stored either in + the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix + of the pip script path. + """ + installed_version = get_installed_version("pip") + if not installed_version: + return + + pip_version = packaging_version.parse(installed_version) + pypi_version = None + + try: + state = SelfCheckState(cache_dir=options.cache_dir) + + current_time = datetime.datetime.utcnow() + # Determine if we need to refresh the state + if "last_check" in state.state and "pypi_version" in state.state: + last_check = datetime.datetime.strptime( + state.state["last_check"], + SELFCHECK_DATE_FMT + ) + if (current_time - last_check).total_seconds() < 7 * 24 * 60 * 60: + pypi_version = state.state["pypi_version"] + + # Refresh the version if we need to or just see if we need to warn + if pypi_version is None: + # Lets use PackageFinder to see what the latest pip version is + finder = PackageFinder( + find_links=options.find_links, + index_urls=[options.index_url] + options.extra_index_urls, + allow_all_prereleases=False, # Explicitly set to False + trusted_hosts=options.trusted_hosts, + session=session, + ) + all_candidates = finder.find_all_candidates("pip") + if not all_candidates: + return + pypi_version = str( + max(all_candidates, key=lambda c: c.version).version + ) + + # save that we've performed a check + state.save(pypi_version, current_time) + + remote_version = packaging_version.parse(pypi_version) + + # Determine if our pypi_version is older + if (pip_version < remote_version and + pip_version.base_version != remote_version.base_version and + was_installed_by_pip('pip')): + # Advise "python -m pip" on Windows to avoid issues + # with overwriting pip.exe. + if WINDOWS: + pip_cmd = "python -m pip" + else: + pip_cmd = "pip" + logger.warning( + "You are using pip version %s, however version %s is " + "available.\nYou should consider upgrading via the " + "'%s install --upgrade pip' command.", + pip_version, pypi_version, pip_cmd + ) + except Exception: + logger.debug( + "There was an error checking the latest version of pip", + exc_info=True, + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/packaging.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/packaging.py new file mode 100644 index 0000000..7aaf7b5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/packaging.py @@ -0,0 +1,85 @@ +from __future__ import absolute_import + +import logging +import sys +from email.parser import FeedParser + +from pip._vendor import pkg_resources +from pip._vendor.packaging import specifiers, version + +from pip._internal import exceptions +from pip._internal.utils.misc import display_path +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional # noqa: F401 + from email.message import Message # noqa: F401 + from pip._vendor.pkg_resources import Distribution # noqa: F401 + + +logger = logging.getLogger(__name__) + + +def check_requires_python(requires_python): + # type: (Optional[str]) -> bool + """ + Check if the python version in use match the `requires_python` specifier. + + Returns `True` if the version of python in use matches the requirement. + Returns `False` if the version of python in use does not matches the + requirement. + + Raises an InvalidSpecifier if `requires_python` have an invalid format. + """ + if requires_python is None: + # The package provides no information + return True + requires_python_specifier = specifiers.SpecifierSet(requires_python) + + # We only use major.minor.micro + python_version = version.parse('.'.join(map(str, sys.version_info[:3]))) + return python_version in requires_python_specifier + + +def get_metadata(dist): + # type: (Distribution) -> Message + if (isinstance(dist, pkg_resources.DistInfoDistribution) and + dist.has_metadata('METADATA')): + metadata = dist.get_metadata('METADATA') + elif dist.has_metadata('PKG-INFO'): + metadata = dist.get_metadata('PKG-INFO') + else: + logger.warning("No metadata found in %s", display_path(dist.location)) + metadata = '' + + feed_parser = FeedParser() + feed_parser.feed(metadata) + return feed_parser.close() + + +def check_dist_requires_python(dist): + pkg_info_dict = get_metadata(dist) + requires_python = pkg_info_dict.get('Requires-Python') + try: + if not check_requires_python(requires_python): + raise exceptions.UnsupportedPythonVersion( + "%s requires Python '%s' but the running Python is %s" % ( + dist.project_name, + requires_python, + '.'.join(map(str, sys.version_info[:3])),) + ) + except specifiers.InvalidSpecifier as e: + logger.warning( + "Package %s has an invalid Requires-Python entry %s - %s", + dist.project_name, requires_python, e, + ) + return + + +def get_installer(dist): + # type: (Distribution) -> str + if dist.has_metadata('INSTALLER'): + for line in dist.get_metadata_lines('INSTALLER'): + if line.strip(): + return line.strip() + return '' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/setuptools_build.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/setuptools_build.py new file mode 100644 index 0000000..03973e9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/setuptools_build.py @@ -0,0 +1,8 @@ +# Shim to wrap setup.py invocation with setuptools +SETUPTOOLS_SHIM = ( + "import setuptools, tokenize;__file__=%r;" + "f=getattr(tokenize, 'open', open)(__file__);" + "code=f.read().replace('\\r\\n', '\\n');" + "f.close();" + "exec(compile(code, __file__, 'exec'))" +) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/temp_dir.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/temp_dir.py new file mode 100644 index 0000000..2c81ad5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/temp_dir.py @@ -0,0 +1,155 @@ +from __future__ import absolute_import + +import errno +import itertools +import logging +import os.path +import tempfile + +from pip._internal.utils.misc import rmtree + +logger = logging.getLogger(__name__) + + +class TempDirectory(object): + """Helper class that owns and cleans up a temporary directory. + + This class can be used as a context manager or as an OO representation of a + temporary directory. + + Attributes: + path + Location to the created temporary directory or None + delete + Whether the directory should be deleted when exiting + (when used as a contextmanager) + + Methods: + create() + Creates a temporary directory and stores its path in the path + attribute. + cleanup() + Deletes the temporary directory and sets path attribute to None + + When used as a context manager, a temporary directory is created on + entering the context and, if the delete attribute is True, on exiting the + context the created directory is deleted. + """ + + def __init__(self, path=None, delete=None, kind="temp"): + super(TempDirectory, self).__init__() + + if path is None and delete is None: + # If we were not given an explicit directory, and we were not given + # an explicit delete option, then we'll default to deleting. + delete = True + + self.path = path + self.delete = delete + self.kind = kind + + def __repr__(self): + return "<{} {!r}>".format(self.__class__.__name__, self.path) + + def __enter__(self): + self.create() + return self + + def __exit__(self, exc, value, tb): + if self.delete: + self.cleanup() + + def create(self): + """Create a temporary directory and store its path in self.path + """ + if self.path is not None: + logger.debug( + "Skipped creation of temporary directory: {}".format(self.path) + ) + return + # We realpath here because some systems have their default tmpdir + # symlinked to another directory. This tends to confuse build + # scripts, so we canonicalize the path by traversing potential + # symlinks here. + self.path = os.path.realpath( + tempfile.mkdtemp(prefix="pip-{}-".format(self.kind)) + ) + logger.debug("Created temporary directory: {}".format(self.path)) + + def cleanup(self): + """Remove the temporary directory created and reset state + """ + if self.path is not None and os.path.exists(self.path): + rmtree(self.path) + self.path = None + + +class AdjacentTempDirectory(TempDirectory): + """Helper class that creates a temporary directory adjacent to a real one. + + Attributes: + original + The original directory to create a temp directory for. + path + After calling create() or entering, contains the full + path to the temporary directory. + delete + Whether the directory should be deleted when exiting + (when used as a contextmanager) + + """ + # The characters that may be used to name the temp directory + # We always prepend a ~ and then rotate through these until + # a usable name is found. + # pkg_resources raises a different error for .dist-info folder + # with leading '-' and invalid metadata + LEADING_CHARS = "-~.=%0123456789" + + def __init__(self, original, delete=None): + super(AdjacentTempDirectory, self).__init__(delete=delete) + self.original = original.rstrip('/\\') + + @classmethod + def _generate_names(cls, name): + """Generates a series of temporary names. + + The algorithm replaces the leading characters in the name + with ones that are valid filesystem characters, but are not + valid package names (for both Python and pip definitions of + package). + """ + for i in range(1, len(name)): + for candidate in itertools.combinations_with_replacement( + cls.LEADING_CHARS, i - 1): + new_name = '~' + ''.join(candidate) + name[i:] + if new_name != name: + yield new_name + + # If we make it this far, we will have to make a longer name + for i in range(len(cls.LEADING_CHARS)): + for candidate in itertools.combinations_with_replacement( + cls.LEADING_CHARS, i): + new_name = '~' + ''.join(candidate) + name + if new_name != name: + yield new_name + + def create(self): + root, name = os.path.split(self.original) + for candidate in self._generate_names(name): + path = os.path.join(root, candidate) + try: + os.mkdir(path) + except OSError as ex: + # Continue if the name exists already + if ex.errno != errno.EEXIST: + raise + else: + self.path = os.path.realpath(path) + break + + if not self.path: + # Final fallback on the default behavior. + self.path = os.path.realpath( + tempfile.mkdtemp(prefix="pip-{}-".format(self.kind)) + ) + logger.debug("Created temporary directory: {}".format(self.path)) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/typing.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/typing.py new file mode 100644 index 0000000..e085cdf --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/typing.py @@ -0,0 +1,29 @@ +"""For neatly implementing static typing in pip. + +`mypy` - the static type analysis tool we use - uses the `typing` module, which +provides core functionality fundamental to mypy's functioning. + +Generally, `typing` would be imported at runtime and used in that fashion - +it acts as a no-op at runtime and does not have any run-time overhead by +design. + +As it turns out, `typing` is not vendorable - it uses separate sources for +Python 2/Python 3. Thus, this codebase can not expect it to be present. +To work around this, mypy allows the typing import to be behind a False-y +optional to prevent it from running at runtime and type-comments can be used +to remove the need for the types to be accessible directly during runtime. + +This module provides the False-y guard in a nicely named fashion so that a +curious maintainer can reach here to read this. + +In pip, all static-typing related imports should be guarded as follows: + + from pip._internal.utils.typing import MYPY_CHECK_RUNNING + + if MYPY_CHECK_RUNNING: + from typing import ... # noqa: F401 + +Ref: https://github.com/python/mypy/issues/3216 +""" + +MYPY_CHECK_RUNNING = False diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/ui.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/ui.py new file mode 100644 index 0000000..433675d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/ui.py @@ -0,0 +1,441 @@ +from __future__ import absolute_import, division + +import contextlib +import itertools +import logging +import sys +import time +from signal import SIGINT, default_int_handler, signal + +from pip._vendor import six +from pip._vendor.progress.bar import ( + Bar, ChargingBar, FillingCirclesBar, FillingSquaresBar, IncrementalBar, + ShadyBar, +) +from pip._vendor.progress.helpers import HIDE_CURSOR, SHOW_CURSOR, WritelnMixin +from pip._vendor.progress.spinner import Spinner + +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.logging import get_indentation +from pip._internal.utils.misc import format_size +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Any, Iterator, IO # noqa: F401 + +try: + from pip._vendor import colorama +# Lots of different errors can come from this, including SystemError and +# ImportError. +except Exception: + colorama = None + +logger = logging.getLogger(__name__) + + +def _select_progress_class(preferred, fallback): + encoding = getattr(preferred.file, "encoding", None) + + # If we don't know what encoding this file is in, then we'll just assume + # that it doesn't support unicode and use the ASCII bar. + if not encoding: + return fallback + + # Collect all of the possible characters we want to use with the preferred + # bar. + characters = [ + getattr(preferred, "empty_fill", six.text_type()), + getattr(preferred, "fill", six.text_type()), + ] + characters += list(getattr(preferred, "phases", [])) + + # Try to decode the characters we're using for the bar using the encoding + # of the given file, if this works then we'll assume that we can use the + # fancier bar and if not we'll fall back to the plaintext bar. + try: + six.text_type().join(characters).encode(encoding) + except UnicodeEncodeError: + return fallback + else: + return preferred + + +_BaseBar = _select_progress_class(IncrementalBar, Bar) # type: Any + + +class InterruptibleMixin(object): + """ + Helper to ensure that self.finish() gets called on keyboard interrupt. + + This allows downloads to be interrupted without leaving temporary state + (like hidden cursors) behind. + + This class is similar to the progress library's existing SigIntMixin + helper, but as of version 1.2, that helper has the following problems: + + 1. It calls sys.exit(). + 2. It discards the existing SIGINT handler completely. + 3. It leaves its own handler in place even after an uninterrupted finish, + which will have unexpected delayed effects if the user triggers an + unrelated keyboard interrupt some time after a progress-displaying + download has already completed, for example. + """ + + def __init__(self, *args, **kwargs): + """ + Save the original SIGINT handler for later. + """ + super(InterruptibleMixin, self).__init__(*args, **kwargs) + + self.original_handler = signal(SIGINT, self.handle_sigint) + + # If signal() returns None, the previous handler was not installed from + # Python, and we cannot restore it. This probably should not happen, + # but if it does, we must restore something sensible instead, at least. + # The least bad option should be Python's default SIGINT handler, which + # just raises KeyboardInterrupt. + if self.original_handler is None: + self.original_handler = default_int_handler + + def finish(self): + """ + Restore the original SIGINT handler after finishing. + + This should happen regardless of whether the progress display finishes + normally, or gets interrupted. + """ + super(InterruptibleMixin, self).finish() + signal(SIGINT, self.original_handler) + + def handle_sigint(self, signum, frame): + """ + Call self.finish() before delegating to the original SIGINT handler. + + This handler should only be in place while the progress display is + active. + """ + self.finish() + self.original_handler(signum, frame) + + +class SilentBar(Bar): + + def update(self): + pass + + +class BlueEmojiBar(IncrementalBar): + + suffix = "%(percent)d%%" + bar_prefix = " " + bar_suffix = " " + phases = (u"\U0001F539", u"\U0001F537", u"\U0001F535") # type: Any + + +class DownloadProgressMixin(object): + + def __init__(self, *args, **kwargs): + super(DownloadProgressMixin, self).__init__(*args, **kwargs) + self.message = (" " * (get_indentation() + 2)) + self.message + + @property + def downloaded(self): + return format_size(self.index) + + @property + def download_speed(self): + # Avoid zero division errors... + if self.avg == 0.0: + return "..." + return format_size(1 / self.avg) + "/s" + + @property + def pretty_eta(self): + if self.eta: + return "eta %s" % self.eta_td + return "" + + def iter(self, it, n=1): + for x in it: + yield x + self.next(n) + self.finish() + + +class WindowsMixin(object): + + def __init__(self, *args, **kwargs): + # The Windows terminal does not support the hide/show cursor ANSI codes + # even with colorama. So we'll ensure that hide_cursor is False on + # Windows. + # This call neds to go before the super() call, so that hide_cursor + # is set in time. The base progress bar class writes the "hide cursor" + # code to the terminal in its init, so if we don't set this soon + # enough, we get a "hide" with no corresponding "show"... + if WINDOWS and self.hide_cursor: + self.hide_cursor = False + + super(WindowsMixin, self).__init__(*args, **kwargs) + + # Check if we are running on Windows and we have the colorama module, + # if we do then wrap our file with it. + if WINDOWS and colorama: + self.file = colorama.AnsiToWin32(self.file) + # The progress code expects to be able to call self.file.isatty() + # but the colorama.AnsiToWin32() object doesn't have that, so we'll + # add it. + self.file.isatty = lambda: self.file.wrapped.isatty() + # The progress code expects to be able to call self.file.flush() + # but the colorama.AnsiToWin32() object doesn't have that, so we'll + # add it. + self.file.flush = lambda: self.file.wrapped.flush() + + +class BaseDownloadProgressBar(WindowsMixin, InterruptibleMixin, + DownloadProgressMixin): + + file = sys.stdout + message = "%(percent)d%%" + suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s" + +# NOTE: The "type: ignore" comments on the following classes are there to +# work around https://github.com/python/typing/issues/241 + + +class DefaultDownloadProgressBar(BaseDownloadProgressBar, + _BaseBar): + pass + + +class DownloadSilentBar(BaseDownloadProgressBar, SilentBar): # type: ignore + pass + + +class DownloadIncrementalBar(BaseDownloadProgressBar, # type: ignore + IncrementalBar): + pass + + +class DownloadChargingBar(BaseDownloadProgressBar, # type: ignore + ChargingBar): + pass + + +class DownloadShadyBar(BaseDownloadProgressBar, ShadyBar): # type: ignore + pass + + +class DownloadFillingSquaresBar(BaseDownloadProgressBar, # type: ignore + FillingSquaresBar): + pass + + +class DownloadFillingCirclesBar(BaseDownloadProgressBar, # type: ignore + FillingCirclesBar): + pass + + +class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar, # type: ignore + BlueEmojiBar): + pass + + +class DownloadProgressSpinner(WindowsMixin, InterruptibleMixin, + DownloadProgressMixin, WritelnMixin, Spinner): + + file = sys.stdout + suffix = "%(downloaded)s %(download_speed)s" + + def next_phase(self): + if not hasattr(self, "_phaser"): + self._phaser = itertools.cycle(self.phases) + return next(self._phaser) + + def update(self): + message = self.message % self + phase = self.next_phase() + suffix = self.suffix % self + line = ''.join([ + message, + " " if message else "", + phase, + " " if suffix else "", + suffix, + ]) + + self.writeln(line) + + +BAR_TYPES = { + "off": (DownloadSilentBar, DownloadSilentBar), + "on": (DefaultDownloadProgressBar, DownloadProgressSpinner), + "ascii": (DownloadIncrementalBar, DownloadProgressSpinner), + "pretty": (DownloadFillingCirclesBar, DownloadProgressSpinner), + "emoji": (DownloadBlueEmojiProgressBar, DownloadProgressSpinner) +} + + +def DownloadProgressProvider(progress_bar, max=None): + if max is None or max == 0: + return BAR_TYPES[progress_bar][1]().iter + else: + return BAR_TYPES[progress_bar][0](max=max).iter + + +################################################################ +# Generic "something is happening" spinners +# +# We don't even try using progress.spinner.Spinner here because it's actually +# simpler to reimplement from scratch than to coerce their code into doing +# what we need. +################################################################ + +@contextlib.contextmanager +def hidden_cursor(file): + # type: (IO) -> Iterator[None] + # The Windows terminal does not support the hide/show cursor ANSI codes, + # even via colorama. So don't even try. + if WINDOWS: + yield + # We don't want to clutter the output with control characters if we're + # writing to a file, or if the user is running with --quiet. + # See https://github.com/pypa/pip/issues/3418 + elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO: + yield + else: + file.write(HIDE_CURSOR) + try: + yield + finally: + file.write(SHOW_CURSOR) + + +class RateLimiter(object): + def __init__(self, min_update_interval_seconds): + # type: (float) -> None + self._min_update_interval_seconds = min_update_interval_seconds + self._last_update = 0 # type: float + + def ready(self): + # type: () -> bool + now = time.time() + delta = now - self._last_update + return delta >= self._min_update_interval_seconds + + def reset(self): + # type: () -> None + self._last_update = time.time() + + +class SpinnerInterface(object): + def spin(self): + # type: () -> None + raise NotImplementedError() + + def finish(self, final_status): + # type: (str) -> None + raise NotImplementedError() + + +class InteractiveSpinner(SpinnerInterface): + def __init__(self, message, file=None, spin_chars="-\\|/", + # Empirically, 8 updates/second looks nice + min_update_interval_seconds=0.125): + self._message = message + if file is None: + file = sys.stdout + self._file = file + self._rate_limiter = RateLimiter(min_update_interval_seconds) + self._finished = False + + self._spin_cycle = itertools.cycle(spin_chars) + + self._file.write(" " * get_indentation() + self._message + " ... ") + self._width = 0 + + def _write(self, status): + assert not self._finished + # Erase what we wrote before by backspacing to the beginning, writing + # spaces to overwrite the old text, and then backspacing again + backup = "\b" * self._width + self._file.write(backup + " " * self._width + backup) + # Now we have a blank slate to add our status + self._file.write(status) + self._width = len(status) + self._file.flush() + self._rate_limiter.reset() + + def spin(self): + # type: () -> None + if self._finished: + return + if not self._rate_limiter.ready(): + return + self._write(next(self._spin_cycle)) + + def finish(self, final_status): + # type: (str) -> None + if self._finished: + return + self._write(final_status) + self._file.write("\n") + self._file.flush() + self._finished = True + + +# Used for dumb terminals, non-interactive installs (no tty), etc. +# We still print updates occasionally (once every 60 seconds by default) to +# act as a keep-alive for systems like Travis-CI that take lack-of-output as +# an indication that a task has frozen. +class NonInteractiveSpinner(SpinnerInterface): + def __init__(self, message, min_update_interval_seconds=60): + # type: (str, float) -> None + self._message = message + self._finished = False + self._rate_limiter = RateLimiter(min_update_interval_seconds) + self._update("started") + + def _update(self, status): + assert not self._finished + self._rate_limiter.reset() + logger.info("%s: %s", self._message, status) + + def spin(self): + # type: () -> None + if self._finished: + return + if not self._rate_limiter.ready(): + return + self._update("still running...") + + def finish(self, final_status): + # type: (str) -> None + if self._finished: + return + self._update("finished with status '%s'" % (final_status,)) + self._finished = True + + +@contextlib.contextmanager +def open_spinner(message): + # type: (str) -> Iterator[SpinnerInterface] + # Interactive spinner goes directly to sys.stdout rather than being routed + # through the logging system, but it acts like it has level INFO, + # i.e. it's only displayed if we're at level INFO or better. + # Non-interactive spinner goes through the logging system, so it is always + # in sync with logging configuration. + if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO: + spinner = InteractiveSpinner(message) # type: SpinnerInterface + else: + spinner = NonInteractiveSpinner(message) + try: + with hidden_cursor(sys.stdout): + yield spinner + except KeyboardInterrupt: + spinner.finish("canceled") + raise + except Exception: + spinner.finish("error") + raise + else: + spinner.finish("done") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/__init__.py new file mode 100644 index 0000000..9cba764 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/__init__.py @@ -0,0 +1,534 @@ +"""Handles all VCS (version control) support""" +from __future__ import absolute_import + +import errno +import logging +import os +import shutil +import sys + +from pip._vendor.six.moves.urllib import parse as urllib_parse + +from pip._internal.exceptions import BadCommand +from pip._internal.utils.misc import ( + display_path, backup_dir, call_subprocess, rmtree, ask_path_exists, +) +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Any, Dict, Iterable, List, Mapping, Optional, Text, Tuple, Type + ) + from pip._internal.utils.ui import SpinnerInterface # noqa: F401 + + AuthInfo = Tuple[Optional[str], Optional[str]] + +__all__ = ['vcs'] + + +logger = logging.getLogger(__name__) + + +class RemoteNotFoundError(Exception): + pass + + +class RevOptions(object): + + """ + Encapsulates a VCS-specific revision to install, along with any VCS + install options. + + Instances of this class should be treated as if immutable. + """ + + def __init__(self, vcs, rev=None, extra_args=None): + # type: (VersionControl, Optional[str], Optional[List[str]]) -> None + """ + Args: + vcs: a VersionControl object. + rev: the name of the revision to install. + extra_args: a list of extra options. + """ + if extra_args is None: + extra_args = [] + + self.extra_args = extra_args + self.rev = rev + self.vcs = vcs + + def __repr__(self): + return '<RevOptions {}: rev={!r}>'.format(self.vcs.name, self.rev) + + @property + def arg_rev(self): + # type: () -> Optional[str] + if self.rev is None: + return self.vcs.default_arg_rev + + return self.rev + + def to_args(self): + # type: () -> List[str] + """ + Return the VCS-specific command arguments. + """ + args = [] # type: List[str] + rev = self.arg_rev + if rev is not None: + args += self.vcs.get_base_rev_args(rev) + args += self.extra_args + + return args + + def to_display(self): + # type: () -> str + if not self.rev: + return '' + + return ' (to revision {})'.format(self.rev) + + def make_new(self, rev): + # type: (str) -> RevOptions + """ + Make a copy of the current instance, but with a new rev. + + Args: + rev: the name of the revision for the new object. + """ + return self.vcs.make_rev_options(rev, extra_args=self.extra_args) + + +class VcsSupport(object): + _registry = {} # type: Dict[str, Type[VersionControl]] + schemes = ['ssh', 'git', 'hg', 'bzr', 'sftp', 'svn'] + + def __init__(self): + # type: () -> None + # Register more schemes with urlparse for various version control + # systems + urllib_parse.uses_netloc.extend(self.schemes) + # Python >= 2.7.4, 3.3 doesn't have uses_fragment + if getattr(urllib_parse, 'uses_fragment', None): + urllib_parse.uses_fragment.extend(self.schemes) + super(VcsSupport, self).__init__() + + def __iter__(self): + return self._registry.__iter__() + + @property + def backends(self): + # type: () -> List[Type[VersionControl]] + return list(self._registry.values()) + + @property + def dirnames(self): + # type: () -> List[str] + return [backend.dirname for backend in self.backends] + + @property + def all_schemes(self): + # type: () -> List[str] + schemes = [] # type: List[str] + for backend in self.backends: + schemes.extend(backend.schemes) + return schemes + + def register(self, cls): + # type: (Type[VersionControl]) -> None + if not hasattr(cls, 'name'): + logger.warning('Cannot register VCS %s', cls.__name__) + return + if cls.name not in self._registry: + self._registry[cls.name] = cls + logger.debug('Registered VCS backend: %s', cls.name) + + def unregister(self, cls=None, name=None): + # type: (Optional[Type[VersionControl]], Optional[str]) -> None + if name in self._registry: + del self._registry[name] + elif cls in self._registry.values(): + del self._registry[cls.name] + else: + logger.warning('Cannot unregister because no class or name given') + + def get_backend_type(self, location): + # type: (str) -> Optional[Type[VersionControl]] + """ + Return the type of the version control backend if found at given + location, e.g. vcs.get_backend_type('/path/to/vcs/checkout') + """ + for vc_type in self._registry.values(): + if vc_type.controls_location(location): + logger.debug('Determine that %s uses VCS: %s', + location, vc_type.name) + return vc_type + return None + + def get_backend(self, name): + # type: (str) -> Optional[Type[VersionControl]] + name = name.lower() + if name in self._registry: + return self._registry[name] + return None + + +vcs = VcsSupport() + + +class VersionControl(object): + name = '' + dirname = '' + repo_name = '' + # List of supported schemes for this Version Control + schemes = () # type: Tuple[str, ...] + # Iterable of environment variable names to pass to call_subprocess(). + unset_environ = () # type: Tuple[str, ...] + default_arg_rev = None # type: Optional[str] + + def __init__(self, url=None, *args, **kwargs): + self.url = url + super(VersionControl, self).__init__(*args, **kwargs) + + def get_base_rev_args(self, rev): + """ + Return the base revision arguments for a vcs command. + + Args: + rev: the name of a revision to install. Cannot be None. + """ + raise NotImplementedError + + def make_rev_options(self, rev=None, extra_args=None): + # type: (Optional[str], Optional[List[str]]) -> RevOptions + """ + Return a RevOptions object. + + Args: + rev: the name of a revision to install. + extra_args: a list of extra options. + """ + return RevOptions(self, rev, extra_args=extra_args) + + @classmethod + def _is_local_repository(cls, repo): + # type: (str) -> bool + """ + posix absolute paths start with os.path.sep, + win32 ones start with drive (like c:\\folder) + """ + drive, tail = os.path.splitdrive(repo) + return repo.startswith(os.path.sep) or bool(drive) + + def export(self, location): + """ + Export the repository at the url to the destination location + i.e. only download the files, without vcs informations + """ + raise NotImplementedError + + def get_netloc_and_auth(self, netloc, scheme): + """ + Parse the repository URL's netloc, and return the new netloc to use + along with auth information. + + Args: + netloc: the original repository URL netloc. + scheme: the repository URL's scheme without the vcs prefix. + + This is mainly for the Subversion class to override, so that auth + information can be provided via the --username and --password options + instead of through the URL. For other subclasses like Git without + such an option, auth information must stay in the URL. + + Returns: (netloc, (username, password)). + """ + return netloc, (None, None) + + def get_url_rev_and_auth(self, url): + # type: (str) -> Tuple[str, Optional[str], AuthInfo] + """ + Parse the repository URL to use, and return the URL, revision, + and auth info to use. + + Returns: (url, rev, (username, password)). + """ + scheme, netloc, path, query, frag = urllib_parse.urlsplit(url) + if '+' not in scheme: + raise ValueError( + "Sorry, {!r} is a malformed VCS url. " + "The format is <vcs>+<protocol>://<url>, " + "e.g. svn+http://myrepo/svn/MyApp#egg=MyApp".format(url) + ) + # Remove the vcs prefix. + scheme = scheme.split('+', 1)[1] + netloc, user_pass = self.get_netloc_and_auth(netloc, scheme) + rev = None + if '@' in path: + path, rev = path.rsplit('@', 1) + url = urllib_parse.urlunsplit((scheme, netloc, path, query, '')) + return url, rev, user_pass + + def make_rev_args(self, username, password): + """ + Return the RevOptions "extra arguments" to use in obtain(). + """ + return [] + + def get_url_rev_options(self, url): + # type: (str) -> Tuple[str, RevOptions] + """ + Return the URL and RevOptions object to use in obtain() and in + some cases export(), as a tuple (url, rev_options). + """ + url, rev, user_pass = self.get_url_rev_and_auth(url) + username, password = user_pass + extra_args = self.make_rev_args(username, password) + rev_options = self.make_rev_options(rev, extra_args=extra_args) + + return url, rev_options + + def normalize_url(self, url): + # type: (str) -> str + """ + Normalize a URL for comparison by unquoting it and removing any + trailing slash. + """ + return urllib_parse.unquote(url).rstrip('/') + + def compare_urls(self, url1, url2): + # type: (str, str) -> bool + """ + Compare two repo URLs for identity, ignoring incidental differences. + """ + return (self.normalize_url(url1) == self.normalize_url(url2)) + + def fetch_new(self, dest, url, rev_options): + """ + Fetch a revision from a repository, in the case that this is the + first fetch from the repository. + + Args: + dest: the directory to fetch the repository to. + rev_options: a RevOptions object. + """ + raise NotImplementedError + + def switch(self, dest, url, rev_options): + """ + Switch the repo at ``dest`` to point to ``URL``. + + Args: + rev_options: a RevOptions object. + """ + raise NotImplementedError + + def update(self, dest, url, rev_options): + """ + Update an already-existing repo to the given ``rev_options``. + + Args: + rev_options: a RevOptions object. + """ + raise NotImplementedError + + def is_commit_id_equal(self, dest, name): + """ + Return whether the id of the current commit equals the given name. + + Args: + dest: the repository directory. + name: a string name. + """ + raise NotImplementedError + + def obtain(self, dest): + # type: (str) -> None + """ + Install or update in editable mode the package represented by this + VersionControl object. + + Args: + dest: the repository directory in which to install or update. + """ + url, rev_options = self.get_url_rev_options(self.url) + + if not os.path.exists(dest): + self.fetch_new(dest, url, rev_options) + return + + rev_display = rev_options.to_display() + if self.is_repository_directory(dest): + existing_url = self.get_remote_url(dest) + if self.compare_urls(existing_url, url): + logger.debug( + '%s in %s exists, and has correct URL (%s)', + self.repo_name.title(), + display_path(dest), + url, + ) + if not self.is_commit_id_equal(dest, rev_options.rev): + logger.info( + 'Updating %s %s%s', + display_path(dest), + self.repo_name, + rev_display, + ) + self.update(dest, url, rev_options) + else: + logger.info('Skipping because already up-to-date.') + return + + logger.warning( + '%s %s in %s exists with URL %s', + self.name, + self.repo_name, + display_path(dest), + existing_url, + ) + prompt = ('(s)witch, (i)gnore, (w)ipe, (b)ackup ', + ('s', 'i', 'w', 'b')) + else: + logger.warning( + 'Directory %s already exists, and is not a %s %s.', + dest, + self.name, + self.repo_name, + ) + # https://github.com/python/mypy/issues/1174 + prompt = ('(i)gnore, (w)ipe, (b)ackup ', # type: ignore + ('i', 'w', 'b')) + + logger.warning( + 'The plan is to install the %s repository %s', + self.name, + url, + ) + response = ask_path_exists('What to do? %s' % prompt[0], prompt[1]) + + if response == 'a': + sys.exit(-1) + + if response == 'w': + logger.warning('Deleting %s', display_path(dest)) + rmtree(dest) + self.fetch_new(dest, url, rev_options) + return + + if response == 'b': + dest_dir = backup_dir(dest) + logger.warning( + 'Backing up %s to %s', display_path(dest), dest_dir, + ) + shutil.move(dest, dest_dir) + self.fetch_new(dest, url, rev_options) + return + + # Do nothing if the response is "i". + if response == 's': + logger.info( + 'Switching %s %s to %s%s', + self.repo_name, + display_path(dest), + url, + rev_display, + ) + self.switch(dest, url, rev_options) + + def unpack(self, location): + # type: (str) -> None + """ + Clean up current location and download the url repository + (and vcs infos) into location + """ + if os.path.exists(location): + rmtree(location) + self.obtain(location) + + @classmethod + def get_src_requirement(cls, location, project_name): + """ + Return a string representing the requirement needed to + redownload the files currently present in location, something + like: + {repository_url}@{revision}#egg={project_name}-{version_identifier} + """ + raise NotImplementedError + + @classmethod + def get_remote_url(cls, location): + """ + Return the url used at location + + Raises RemoteNotFoundError if the repository does not have a remote + url configured. + """ + raise NotImplementedError + + @classmethod + def get_revision(cls, location): + """ + Return the current commit id of the files at the given location. + """ + raise NotImplementedError + + @classmethod + def run_command( + cls, + cmd, # type: List[str] + show_stdout=True, # type: bool + cwd=None, # type: Optional[str] + on_returncode='raise', # type: str + extra_ok_returncodes=None, # type: Optional[Iterable[int]] + command_desc=None, # type: Optional[str] + extra_environ=None, # type: Optional[Mapping[str, Any]] + spinner=None # type: Optional[SpinnerInterface] + ): + # type: (...) -> Optional[Text] + """ + Run a VCS subcommand + This is simply a wrapper around call_subprocess that adds the VCS + command name, and checks that the VCS is available + """ + cmd = [cls.name] + cmd + try: + return call_subprocess(cmd, show_stdout, cwd, + on_returncode=on_returncode, + extra_ok_returncodes=extra_ok_returncodes, + command_desc=command_desc, + extra_environ=extra_environ, + unset_environ=cls.unset_environ, + spinner=spinner) + except OSError as e: + # errno.ENOENT = no such file or directory + # In other words, the VCS executable isn't available + if e.errno == errno.ENOENT: + raise BadCommand( + 'Cannot find command %r - do you have ' + '%r installed and in your ' + 'PATH?' % (cls.name, cls.name)) + else: + raise # re-raise exception if a different error occurred + + @classmethod + def is_repository_directory(cls, path): + # type: (str) -> bool + """ + Return whether a directory path is a repository directory. + """ + logger.debug('Checking in %s for %s (%s)...', + path, cls.dirname, cls.name) + return os.path.exists(os.path.join(path, cls.dirname)) + + @classmethod + def controls_location(cls, location): + # type: (str) -> bool + """ + Check if a location is controlled by the vcs. + It is meant to be overridden to implement smarter detection + mechanisms for specific vcs. + + This can do more than is_repository_directory() alone. For example, + the Git override checks that Git is actually available. + """ + return cls.is_repository_directory(location) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/bazaar.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/bazaar.py new file mode 100644 index 0000000..4c6ac79 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/bazaar.py @@ -0,0 +1,114 @@ +from __future__ import absolute_import + +import logging +import os + +from pip._vendor.six.moves.urllib import parse as urllib_parse + +from pip._internal.download import path_to_url +from pip._internal.utils.misc import ( + display_path, make_vcs_requirement_url, rmtree, +) +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.vcs import VersionControl, vcs + +logger = logging.getLogger(__name__) + + +class Bazaar(VersionControl): + name = 'bzr' + dirname = '.bzr' + repo_name = 'branch' + schemes = ( + 'bzr', 'bzr+http', 'bzr+https', 'bzr+ssh', 'bzr+sftp', 'bzr+ftp', + 'bzr+lp', + ) + + def __init__(self, url=None, *args, **kwargs): + super(Bazaar, self).__init__(url, *args, **kwargs) + # This is only needed for python <2.7.5 + # Register lp but do not expose as a scheme to support bzr+lp. + if getattr(urllib_parse, 'uses_fragment', None): + urllib_parse.uses_fragment.extend(['lp']) + + def get_base_rev_args(self, rev): + return ['-r', rev] + + def export(self, location): + """ + Export the Bazaar repository at the url to the destination location + """ + # Remove the location to make sure Bazaar can export it correctly + if os.path.exists(location): + rmtree(location) + + with TempDirectory(kind="export") as temp_dir: + self.unpack(temp_dir.path) + + self.run_command( + ['export', location], + cwd=temp_dir.path, show_stdout=False, + ) + + def fetch_new(self, dest, url, rev_options): + rev_display = rev_options.to_display() + logger.info( + 'Checking out %s%s to %s', + url, + rev_display, + display_path(dest), + ) + cmd_args = ['branch', '-q'] + rev_options.to_args() + [url, dest] + self.run_command(cmd_args) + + def switch(self, dest, url, rev_options): + self.run_command(['switch', url], cwd=dest) + + def update(self, dest, url, rev_options): + cmd_args = ['pull', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + def get_url_rev_and_auth(self, url): + # hotfix the URL scheme after removing bzr+ from bzr+ssh:// readd it + url, rev, user_pass = super(Bazaar, self).get_url_rev_and_auth(url) + if url.startswith('ssh://'): + url = 'bzr+' + url + return url, rev, user_pass + + @classmethod + def get_remote_url(cls, location): + urls = cls.run_command(['info'], show_stdout=False, cwd=location) + for line in urls.splitlines(): + line = line.strip() + for x in ('checkout of branch: ', + 'parent branch: '): + if line.startswith(x): + repo = line.split(x)[1] + if cls._is_local_repository(repo): + return path_to_url(repo) + return repo + return None + + @classmethod + def get_revision(cls, location): + revision = cls.run_command( + ['revno'], show_stdout=False, cwd=location, + ) + return revision.splitlines()[-1] + + @classmethod + def get_src_requirement(cls, location, project_name): + repo = cls.get_remote_url(location) + if not repo: + return None + if not repo.lower().startswith('bzr:'): + repo = 'bzr+' + repo + current_rev = cls.get_revision(location) + return make_vcs_requirement_url(repo, current_rev, project_name) + + def is_commit_id_equal(self, dest, name): + """Always assume the versions don't match""" + return False + + +vcs.register(Bazaar) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/git.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/git.py new file mode 100644 index 0000000..dd2bd61 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/git.py @@ -0,0 +1,369 @@ +from __future__ import absolute_import + +import logging +import os.path +import re + +from pip._vendor.packaging.version import parse as parse_version +from pip._vendor.six.moves.urllib import parse as urllib_parse +from pip._vendor.six.moves.urllib import request as urllib_request + +from pip._internal.exceptions import BadCommand +from pip._internal.utils.compat import samefile +from pip._internal.utils.misc import ( + display_path, make_vcs_requirement_url, redact_password_from_url, +) +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.vcs import RemoteNotFoundError, VersionControl, vcs + +urlsplit = urllib_parse.urlsplit +urlunsplit = urllib_parse.urlunsplit + + +logger = logging.getLogger(__name__) + + +HASH_REGEX = re.compile('[a-fA-F0-9]{40}') + + +def looks_like_hash(sha): + return bool(HASH_REGEX.match(sha)) + + +class Git(VersionControl): + name = 'git' + dirname = '.git' + repo_name = 'clone' + schemes = ( + 'git', 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file', + ) + # Prevent the user's environment variables from interfering with pip: + # https://github.com/pypa/pip/issues/1130 + unset_environ = ('GIT_DIR', 'GIT_WORK_TREE') + default_arg_rev = 'HEAD' + + def __init__(self, url=None, *args, **kwargs): + + # Works around an apparent Git bug + # (see https://article.gmane.org/gmane.comp.version-control.git/146500) + if url: + scheme, netloc, path, query, fragment = urlsplit(url) + if scheme.endswith('file'): + initial_slashes = path[:-len(path.lstrip('/'))] + newpath = ( + initial_slashes + + urllib_request.url2pathname(path) + .replace('\\', '/').lstrip('/') + ) + url = urlunsplit((scheme, netloc, newpath, query, fragment)) + after_plus = scheme.find('+') + 1 + url = scheme[:after_plus] + urlunsplit( + (scheme[after_plus:], netloc, newpath, query, fragment), + ) + + super(Git, self).__init__(url, *args, **kwargs) + + def get_base_rev_args(self, rev): + return [rev] + + def get_git_version(self): + VERSION_PFX = 'git version ' + version = self.run_command(['version'], show_stdout=False) + if version.startswith(VERSION_PFX): + version = version[len(VERSION_PFX):].split()[0] + else: + version = '' + # get first 3 positions of the git version becasue + # on windows it is x.y.z.windows.t, and this parses as + # LegacyVersion which always smaller than a Version. + version = '.'.join(version.split('.')[:3]) + return parse_version(version) + + def get_current_branch(self, location): + """ + Return the current branch, or None if HEAD isn't at a branch + (e.g. detached HEAD). + """ + # git-symbolic-ref exits with empty stdout if "HEAD" is a detached + # HEAD rather than a symbolic ref. In addition, the -q causes the + # command to exit with status code 1 instead of 128 in this case + # and to suppress the message to stderr. + args = ['symbolic-ref', '-q', 'HEAD'] + output = self.run_command( + args, extra_ok_returncodes=(1, ), show_stdout=False, cwd=location, + ) + ref = output.strip() + + if ref.startswith('refs/heads/'): + return ref[len('refs/heads/'):] + + return None + + def export(self, location): + """Export the Git repository at the url to the destination location""" + if not location.endswith('/'): + location = location + '/' + + with TempDirectory(kind="export") as temp_dir: + self.unpack(temp_dir.path) + self.run_command( + ['checkout-index', '-a', '-f', '--prefix', location], + show_stdout=False, cwd=temp_dir.path + ) + + def get_revision_sha(self, dest, rev): + """ + Return (sha_or_none, is_branch), where sha_or_none is a commit hash + if the revision names a remote branch or tag, otherwise None. + + Args: + dest: the repository directory. + rev: the revision name. + """ + # Pass rev to pre-filter the list. + output = self.run_command(['show-ref', rev], cwd=dest, + show_stdout=False, on_returncode='ignore') + refs = {} + for line in output.strip().splitlines(): + try: + sha, ref = line.split() + except ValueError: + # Include the offending line to simplify troubleshooting if + # this error ever occurs. + raise ValueError('unexpected show-ref line: {!r}'.format(line)) + + refs[ref] = sha + + branch_ref = 'refs/remotes/origin/{}'.format(rev) + tag_ref = 'refs/tags/{}'.format(rev) + + sha = refs.get(branch_ref) + if sha is not None: + return (sha, True) + + sha = refs.get(tag_ref) + + return (sha, False) + + def resolve_revision(self, dest, url, rev_options): + """ + Resolve a revision to a new RevOptions object with the SHA1 of the + branch, tag, or ref if found. + + Args: + rev_options: a RevOptions object. + """ + rev = rev_options.arg_rev + sha, is_branch = self.get_revision_sha(dest, rev) + + if sha is not None: + rev_options = rev_options.make_new(sha) + rev_options.branch_name = rev if is_branch else None + + return rev_options + + # Do not show a warning for the common case of something that has + # the form of a Git commit hash. + if not looks_like_hash(rev): + logger.warning( + "Did not find branch or tag '%s', assuming revision or ref.", + rev, + ) + + if not rev.startswith('refs/'): + return rev_options + + # If it looks like a ref, we have to fetch it explicitly. + self.run_command( + ['fetch', '-q', url] + rev_options.to_args(), + cwd=dest, + ) + # Change the revision to the SHA of the ref we fetched + sha = self.get_revision(dest, rev='FETCH_HEAD') + rev_options = rev_options.make_new(sha) + + return rev_options + + def is_commit_id_equal(self, dest, name): + """ + Return whether the current commit hash equals the given name. + + Args: + dest: the repository directory. + name: a string name. + """ + if not name: + # Then avoid an unnecessary subprocess call. + return False + + return self.get_revision(dest) == name + + def fetch_new(self, dest, url, rev_options): + rev_display = rev_options.to_display() + logger.info( + 'Cloning %s%s to %s', redact_password_from_url(url), + rev_display, display_path(dest), + ) + self.run_command(['clone', '-q', url, dest]) + + if rev_options.rev: + # Then a specific revision was requested. + rev_options = self.resolve_revision(dest, url, rev_options) + branch_name = getattr(rev_options, 'branch_name', None) + if branch_name is None: + # Only do a checkout if the current commit id doesn't match + # the requested revision. + if not self.is_commit_id_equal(dest, rev_options.rev): + cmd_args = ['checkout', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + elif self.get_current_branch(dest) != branch_name: + # Then a specific branch was requested, and that branch + # is not yet checked out. + track_branch = 'origin/{}'.format(branch_name) + cmd_args = [ + 'checkout', '-b', branch_name, '--track', track_branch, + ] + self.run_command(cmd_args, cwd=dest) + + #: repo may contain submodules + self.update_submodules(dest) + + def switch(self, dest, url, rev_options): + self.run_command(['config', 'remote.origin.url', url], cwd=dest) + cmd_args = ['checkout', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + self.update_submodules(dest) + + def update(self, dest, url, rev_options): + # First fetch changes from the default remote + if self.get_git_version() >= parse_version('1.9.0'): + # fetch tags in addition to everything else + self.run_command(['fetch', '-q', '--tags'], cwd=dest) + else: + self.run_command(['fetch', '-q'], cwd=dest) + # Then reset to wanted revision (maybe even origin/master) + rev_options = self.resolve_revision(dest, url, rev_options) + cmd_args = ['reset', '--hard', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + #: update submodules + self.update_submodules(dest) + + @classmethod + def get_remote_url(cls, location): + """ + Return URL of the first remote encountered. + + Raises RemoteNotFoundError if the repository does not have a remote + url configured. + """ + # We need to pass 1 for extra_ok_returncodes since the command + # exits with return code 1 if there are no matching lines. + stdout = cls.run_command( + ['config', '--get-regexp', r'remote\..*\.url'], + extra_ok_returncodes=(1, ), show_stdout=False, cwd=location, + ) + remotes = stdout.splitlines() + try: + found_remote = remotes[0] + except IndexError: + raise RemoteNotFoundError + + for remote in remotes: + if remote.startswith('remote.origin.url '): + found_remote = remote + break + url = found_remote.split(' ')[1] + return url.strip() + + @classmethod + def get_revision(cls, location, rev=None): + if rev is None: + rev = 'HEAD' + current_rev = cls.run_command( + ['rev-parse', rev], show_stdout=False, cwd=location, + ) + return current_rev.strip() + + @classmethod + def _get_subdirectory(cls, location): + """Return the relative path of setup.py to the git repo root.""" + # find the repo root + git_dir = cls.run_command(['rev-parse', '--git-dir'], + show_stdout=False, cwd=location).strip() + if not os.path.isabs(git_dir): + git_dir = os.path.join(location, git_dir) + root_dir = os.path.join(git_dir, '..') + # find setup.py + orig_location = location + while not os.path.exists(os.path.join(location, 'setup.py')): + last_location = location + location = os.path.dirname(location) + if location == last_location: + # We've traversed up to the root of the filesystem without + # finding setup.py + logger.warning( + "Could not find setup.py for directory %s (tried all " + "parent directories)", + orig_location, + ) + return None + # relative path of setup.py to repo root + if samefile(root_dir, location): + return None + return os.path.relpath(location, root_dir) + + @classmethod + def get_src_requirement(cls, location, project_name): + repo = cls.get_remote_url(location) + if not repo.lower().startswith('git:'): + repo = 'git+' + repo + current_rev = cls.get_revision(location) + subdir = cls._get_subdirectory(location) + req = make_vcs_requirement_url(repo, current_rev, project_name, + subdir=subdir) + + return req + + def get_url_rev_and_auth(self, url): + """ + Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'. + That's required because although they use SSH they sometimes don't + work with a ssh:// scheme (e.g. GitHub). But we need a scheme for + parsing. Hence we remove it again afterwards and return it as a stub. + """ + if '://' not in url: + assert 'file:' not in url + url = url.replace('git+', 'git+ssh://') + url, rev, user_pass = super(Git, self).get_url_rev_and_auth(url) + url = url.replace('ssh://', '') + else: + url, rev, user_pass = super(Git, self).get_url_rev_and_auth(url) + + return url, rev, user_pass + + def update_submodules(self, location): + if not os.path.exists(os.path.join(location, '.gitmodules')): + return + self.run_command( + ['submodule', 'update', '--init', '--recursive', '-q'], + cwd=location, + ) + + @classmethod + def controls_location(cls, location): + if super(Git, cls).controls_location(location): + return True + try: + r = cls.run_command(['rev-parse'], + cwd=location, + show_stdout=False, + on_returncode='ignore') + return not r + except BadCommand: + logger.debug("could not determine if %s is under git control " + "because git is not available", location) + return False + + +vcs.register(Git) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/mercurial.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/mercurial.py new file mode 100644 index 0000000..26e75de --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/mercurial.py @@ -0,0 +1,103 @@ +from __future__ import absolute_import + +import logging +import os + +from pip._vendor.six.moves import configparser + +from pip._internal.download import path_to_url +from pip._internal.utils.misc import display_path, make_vcs_requirement_url +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.vcs import VersionControl, vcs + +logger = logging.getLogger(__name__) + + +class Mercurial(VersionControl): + name = 'hg' + dirname = '.hg' + repo_name = 'clone' + schemes = ('hg', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http') + + def get_base_rev_args(self, rev): + return [rev] + + def export(self, location): + """Export the Hg repository at the url to the destination location""" + with TempDirectory(kind="export") as temp_dir: + self.unpack(temp_dir.path) + + self.run_command( + ['archive', location], show_stdout=False, cwd=temp_dir.path + ) + + def fetch_new(self, dest, url, rev_options): + rev_display = rev_options.to_display() + logger.info( + 'Cloning hg %s%s to %s', + url, + rev_display, + display_path(dest), + ) + self.run_command(['clone', '--noupdate', '-q', url, dest]) + cmd_args = ['update', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + def switch(self, dest, url, rev_options): + repo_config = os.path.join(dest, self.dirname, 'hgrc') + config = configparser.SafeConfigParser() + try: + config.read(repo_config) + config.set('paths', 'default', url) + with open(repo_config, 'w') as config_file: + config.write(config_file) + except (OSError, configparser.NoSectionError) as exc: + logger.warning( + 'Could not switch Mercurial repository to %s: %s', url, exc, + ) + else: + cmd_args = ['update', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + def update(self, dest, url, rev_options): + self.run_command(['pull', '-q'], cwd=dest) + cmd_args = ['update', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + @classmethod + def get_remote_url(cls, location): + url = cls.run_command( + ['showconfig', 'paths.default'], + show_stdout=False, cwd=location).strip() + if cls._is_local_repository(url): + url = path_to_url(url) + return url.strip() + + @classmethod + def get_revision(cls, location): + current_revision = cls.run_command( + ['parents', '--template={rev}'], + show_stdout=False, cwd=location).strip() + return current_revision + + @classmethod + def get_revision_hash(cls, location): + current_rev_hash = cls.run_command( + ['parents', '--template={node}'], + show_stdout=False, cwd=location).strip() + return current_rev_hash + + @classmethod + def get_src_requirement(cls, location, project_name): + repo = cls.get_remote_url(location) + if not repo.lower().startswith('hg:'): + repo = 'hg+' + repo + current_rev_hash = cls.get_revision_hash(location) + return make_vcs_requirement_url(repo, current_rev_hash, project_name) + + def is_commit_id_equal(self, dest, name): + """Always assume the versions don't match""" + return False + + +vcs.register(Mercurial) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/subversion.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/subversion.py new file mode 100644 index 0000000..42ac5ac --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/vcs/subversion.py @@ -0,0 +1,200 @@ +from __future__ import absolute_import + +import logging +import os +import re + +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + display_path, make_vcs_requirement_url, rmtree, split_auth_from_netloc, +) +from pip._internal.vcs import VersionControl, vcs + +_svn_xml_url_re = re.compile('url="([^"]+)"') +_svn_rev_re = re.compile(r'committed-rev="(\d+)"') +_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"') +_svn_info_xml_url_re = re.compile(r'<url>(.*)</url>') + + +logger = logging.getLogger(__name__) + + +class Subversion(VersionControl): + name = 'svn' + dirname = '.svn' + repo_name = 'checkout' + schemes = ('svn', 'svn+ssh', 'svn+http', 'svn+https', 'svn+svn') + + def get_base_rev_args(self, rev): + return ['-r', rev] + + def export(self, location): + """Export the svn repository at the url to the destination location""" + url, rev_options = self.get_url_rev_options(self.url) + + logger.info('Exporting svn repository %s to %s', url, location) + with indent_log(): + if os.path.exists(location): + # Subversion doesn't like to check out over an existing + # directory --force fixes this, but was only added in svn 1.5 + rmtree(location) + cmd_args = ['export'] + rev_options.to_args() + [url, location] + self.run_command(cmd_args, show_stdout=False) + + def fetch_new(self, dest, url, rev_options): + rev_display = rev_options.to_display() + logger.info( + 'Checking out %s%s to %s', + url, + rev_display, + display_path(dest), + ) + cmd_args = ['checkout', '-q'] + rev_options.to_args() + [url, dest] + self.run_command(cmd_args) + + def switch(self, dest, url, rev_options): + cmd_args = ['switch'] + rev_options.to_args() + [url, dest] + self.run_command(cmd_args) + + def update(self, dest, url, rev_options): + cmd_args = ['update'] + rev_options.to_args() + [dest] + self.run_command(cmd_args) + + @classmethod + def get_revision(cls, location): + """ + Return the maximum revision for all files under a given location + """ + # Note: taken from setuptools.command.egg_info + revision = 0 + + for base, dirs, files in os.walk(location): + if cls.dirname not in dirs: + dirs[:] = [] + continue # no sense walking uncontrolled subdirs + dirs.remove(cls.dirname) + entries_fn = os.path.join(base, cls.dirname, 'entries') + if not os.path.exists(entries_fn): + # FIXME: should we warn? + continue + + dirurl, localrev = cls._get_svn_url_rev(base) + + if base == location: + base = dirurl + '/' # save the root url + elif not dirurl or not dirurl.startswith(base): + dirs[:] = [] + continue # not part of the same svn tree, skip it + revision = max(revision, localrev) + return revision + + def get_netloc_and_auth(self, netloc, scheme): + """ + This override allows the auth information to be passed to svn via the + --username and --password options instead of via the URL. + """ + if scheme == 'ssh': + # The --username and --password options can't be used for + # svn+ssh URLs, so keep the auth information in the URL. + return super(Subversion, self).get_netloc_and_auth( + netloc, scheme) + + return split_auth_from_netloc(netloc) + + def get_url_rev_and_auth(self, url): + # hotfix the URL scheme after removing svn+ from svn+ssh:// readd it + url, rev, user_pass = super(Subversion, self).get_url_rev_and_auth(url) + if url.startswith('ssh://'): + url = 'svn+' + url + return url, rev, user_pass + + def make_rev_args(self, username, password): + extra_args = [] + if username: + extra_args += ['--username', username] + if password: + extra_args += ['--password', password] + + return extra_args + + @classmethod + def get_remote_url(cls, location): + # In cases where the source is in a subdirectory, not alongside + # setup.py we have to look up in the location until we find a real + # setup.py + orig_location = location + while not os.path.exists(os.path.join(location, 'setup.py')): + last_location = location + location = os.path.dirname(location) + if location == last_location: + # We've traversed up to the root of the filesystem without + # finding setup.py + logger.warning( + "Could not find setup.py for directory %s (tried all " + "parent directories)", + orig_location, + ) + return None + + return cls._get_svn_url_rev(location)[0] + + @classmethod + def _get_svn_url_rev(cls, location): + from pip._internal.exceptions import InstallationError + + entries_path = os.path.join(location, cls.dirname, 'entries') + if os.path.exists(entries_path): + with open(entries_path) as f: + data = f.read() + else: # subversion >= 1.7 does not have the 'entries' file + data = '' + + if (data.startswith('8') or + data.startswith('9') or + data.startswith('10')): + data = list(map(str.splitlines, data.split('\n\x0c\n'))) + del data[0][0] # get rid of the '8' + url = data[0][3] + revs = [int(d[9]) for d in data if len(d) > 9 and d[9]] + [0] + elif data.startswith('<?xml'): + match = _svn_xml_url_re.search(data) + if not match: + raise ValueError('Badly formatted data: %r' % data) + url = match.group(1) # get repository URL + revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0] + else: + try: + # subversion >= 1.7 + xml = cls.run_command( + ['info', '--xml', location], + show_stdout=False, + ) + url = _svn_info_xml_url_re.search(xml).group(1) + revs = [ + int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml) + ] + except InstallationError: + url, revs = None, [] + + if revs: + rev = max(revs) + else: + rev = 0 + + return url, rev + + @classmethod + def get_src_requirement(cls, location, project_name): + repo = cls.get_remote_url(location) + if repo is None: + return None + repo = 'svn+' + repo + rev = cls.get_revision(location) + return make_vcs_requirement_url(repo, rev, project_name) + + def is_commit_id_equal(self, dest, name): + """Always assume the versions don't match""" + return False + + +vcs.register(Subversion) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/wheel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/wheel.py new file mode 100644 index 0000000..67bcc7f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/wheel.py @@ -0,0 +1,1095 @@ +""" +Support for installing and building the "wheel" binary package format. +""" +from __future__ import absolute_import + +import collections +import compileall +import csv +import hashlib +import logging +import os.path +import re +import shutil +import stat +import sys +import warnings +from base64 import urlsafe_b64encode +from email.parser import Parser + +from pip._vendor import pkg_resources +from pip._vendor.distlib.scripts import ScriptMaker +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.six import StringIO + +from pip._internal import pep425tags +from pip._internal.download import path_to_url, unpack_url +from pip._internal.exceptions import ( + InstallationError, InvalidWheelFilename, UnsupportedWheel, +) +from pip._internal.locations import ( + PIP_DELETE_MARKER_FILENAME, distutils_scheme, +) +from pip._internal.models.link import Link +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + call_subprocess, captured_stdout, ensure_dir, read_chunks, +) +from pip._internal.utils.setuptools_build import SETUPTOOLS_SHIM +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.typing import MYPY_CHECK_RUNNING +from pip._internal.utils.ui import open_spinner + +if MYPY_CHECK_RUNNING: + from typing import ( # noqa: F401 + Dict, List, Optional, Sequence, Mapping, Tuple, IO, Text, Any, + Union, Iterable + ) + from pip._vendor.packaging.requirements import Requirement # noqa: F401 + from pip._internal.req.req_install import InstallRequirement # noqa: F401 + from pip._internal.download import PipSession # noqa: F401 + from pip._internal.index import FormatControl, PackageFinder # noqa: F401 + from pip._internal.operations.prepare import ( # noqa: F401 + RequirementPreparer + ) + from pip._internal.cache import WheelCache # noqa: F401 + from pip._internal.pep425tags import Pep425Tag # noqa: F401 + + InstalledCSVRow = Tuple[str, ...] + + +VERSION_COMPATIBLE = (1, 0) + + +logger = logging.getLogger(__name__) + + +def normpath(src, p): + return os.path.relpath(src, p).replace(os.path.sep, '/') + + +def rehash(path, blocksize=1 << 20): + # type: (str, int) -> Tuple[str, str] + """Return (hash, length) for path using hashlib.sha256()""" + h = hashlib.sha256() + length = 0 + with open(path, 'rb') as f: + for block in read_chunks(f, size=blocksize): + length += len(block) + h.update(block) + digest = 'sha256=' + urlsafe_b64encode( + h.digest() + ).decode('latin1').rstrip('=') + # unicode/str python2 issues + return (digest, str(length)) # type: ignore + + +def open_for_csv(name, mode): + # type: (str, Text) -> IO + if sys.version_info[0] < 3: + nl = {} # type: Dict[str, Any] + bin = 'b' + else: + nl = {'newline': ''} # type: Dict[str, Any] + bin = '' + return open(name, mode + bin, **nl) + + +def replace_python_tag(wheelname, new_tag): + # type: (str, str) -> str + """Replace the Python tag in a wheel file name with a new value. + """ + parts = wheelname.split('-') + parts[-3] = new_tag + return '-'.join(parts) + + +def fix_script(path): + # type: (str) -> Optional[bool] + """Replace #!python with #!/path/to/python + Return True if file was changed.""" + # XXX RECORD hashes will need to be updated + if os.path.isfile(path): + with open(path, 'rb') as script: + firstline = script.readline() + if not firstline.startswith(b'#!python'): + return False + exename = sys.executable.encode(sys.getfilesystemencoding()) + firstline = b'#!' + exename + os.linesep.encode("ascii") + rest = script.read() + with open(path, 'wb') as script: + script.write(firstline) + script.write(rest) + return True + return None + + +dist_info_re = re.compile(r"""^(?P<namever>(?P<name>.+?)(-(?P<ver>.+?))?) + \.dist-info$""", re.VERBOSE) + + +def root_is_purelib(name, wheeldir): + # type: (str, str) -> bool + """ + Return True if the extracted wheel in wheeldir should go into purelib. + """ + name_folded = name.replace("-", "_") + for item in os.listdir(wheeldir): + match = dist_info_re.match(item) + if match and match.group('name') == name_folded: + with open(os.path.join(wheeldir, item, 'WHEEL')) as wheel: + for line in wheel: + line = line.lower().rstrip() + if line == "root-is-purelib: true": + return True + return False + + +def get_entrypoints(filename): + # type: (str) -> Tuple[Dict[str, str], Dict[str, str]] + if not os.path.exists(filename): + return {}, {} + + # This is done because you can pass a string to entry_points wrappers which + # means that they may or may not be valid INI files. The attempt here is to + # strip leading and trailing whitespace in order to make them valid INI + # files. + with open(filename) as fp: + data = StringIO() + for line in fp: + data.write(line.strip()) + data.write("\n") + data.seek(0) + + # get the entry points and then the script names + entry_points = pkg_resources.EntryPoint.parse_map(data) + console = entry_points.get('console_scripts', {}) + gui = entry_points.get('gui_scripts', {}) + + def _split_ep(s): + """get the string representation of EntryPoint, remove space and split + on '='""" + return str(s).replace(" ", "").split("=") + + # convert the EntryPoint objects into strings with module:function + console = dict(_split_ep(v) for v in console.values()) + gui = dict(_split_ep(v) for v in gui.values()) + return console, gui + + +def message_about_scripts_not_on_PATH(scripts): + # type: (Sequence[str]) -> Optional[str] + """Determine if any scripts are not on PATH and format a warning. + + Returns a warning message if one or more scripts are not on PATH, + otherwise None. + """ + if not scripts: + return None + + # Group scripts by the path they were installed in + grouped_by_dir = collections.defaultdict(set) # type: Dict[str, set] + for destfile in scripts: + parent_dir = os.path.dirname(destfile) + script_name = os.path.basename(destfile) + grouped_by_dir[parent_dir].add(script_name) + + # We don't want to warn for directories that are on PATH. + not_warn_dirs = [ + os.path.normcase(i).rstrip(os.sep) for i in + os.environ.get("PATH", "").split(os.pathsep) + ] + # If an executable sits with sys.executable, we don't warn for it. + # This covers the case of venv invocations without activating the venv. + not_warn_dirs.append(os.path.normcase(os.path.dirname(sys.executable))) + warn_for = { + parent_dir: scripts for parent_dir, scripts in grouped_by_dir.items() + if os.path.normcase(parent_dir) not in not_warn_dirs + } + if not warn_for: + return None + + # Format a message + msg_lines = [] + for parent_dir, scripts in warn_for.items(): + scripts = sorted(scripts) + if len(scripts) == 1: + start_text = "script {} is".format(scripts[0]) + else: + start_text = "scripts {} are".format( + ", ".join(scripts[:-1]) + " and " + scripts[-1] + ) + + msg_lines.append( + "The {} installed in '{}' which is not on PATH." + .format(start_text, parent_dir) + ) + + last_line_fmt = ( + "Consider adding {} to PATH or, if you prefer " + "to suppress this warning, use --no-warn-script-location." + ) + if len(msg_lines) == 1: + msg_lines.append(last_line_fmt.format("this directory")) + else: + msg_lines.append(last_line_fmt.format("these directories")) + + # Returns the formatted multiline message + return "\n".join(msg_lines) + + +def sorted_outrows(outrows): + # type: (Iterable[InstalledCSVRow]) -> List[InstalledCSVRow] + """ + Return the given rows of a RECORD file in sorted order. + + Each row is a 3-tuple (path, hash, size) and corresponds to a record of + a RECORD file (see PEP 376 and PEP 427 for details). For the rows + passed to this function, the size can be an integer as an int or string, + or the empty string. + """ + # Normally, there should only be one row per path, in which case the + # second and third elements don't come into play when sorting. + # However, in cases in the wild where a path might happen to occur twice, + # we don't want the sort operation to trigger an error (but still want + # determinism). Since the third element can be an int or string, we + # coerce each element to a string to avoid a TypeError in this case. + # For additional background, see-- + # https://github.com/pypa/pip/issues/5868 + return sorted(outrows, key=lambda row: tuple(str(x) for x in row)) + + +def get_csv_rows_for_installed( + old_csv_rows, # type: Iterable[List[str]] + installed, # type: Dict[str, str] + changed, # type: set + generated, # type: List[str] + lib_dir, # type: str +): + # type: (...) -> List[InstalledCSVRow] + """ + :param installed: A map from archive RECORD path to installation RECORD + path. + """ + installed_rows = [] # type: List[InstalledCSVRow] + for row in old_csv_rows: + if len(row) > 3: + logger.warning( + 'RECORD line has more than three elements: {}'.format(row) + ) + # Make a copy because we are mutating the row. + row = list(row) + old_path = row[0] + new_path = installed.pop(old_path, old_path) + row[0] = new_path + if new_path in changed: + digest, length = rehash(new_path) + row[1] = digest + row[2] = length + installed_rows.append(tuple(row)) + for f in generated: + digest, length = rehash(f) + installed_rows.append((normpath(f, lib_dir), digest, str(length))) + for f in installed: + installed_rows.append((installed[f], '', '')) + return installed_rows + + +def move_wheel_files( + name, # type: str + req, # type: Requirement + wheeldir, # type: str + user=False, # type: bool + home=None, # type: Optional[str] + root=None, # type: Optional[str] + pycompile=True, # type: bool + scheme=None, # type: Optional[Mapping[str, str]] + isolated=False, # type: bool + prefix=None, # type: Optional[str] + warn_script_location=True # type: bool +): + # type: (...) -> None + """Install a wheel""" + # TODO: Investigate and break this up. + # TODO: Look into moving this into a dedicated class for representing an + # installation. + + if not scheme: + scheme = distutils_scheme( + name, user=user, home=home, root=root, isolated=isolated, + prefix=prefix, + ) + + if root_is_purelib(name, wheeldir): + lib_dir = scheme['purelib'] + else: + lib_dir = scheme['platlib'] + + info_dir = [] # type: List[str] + data_dirs = [] + source = wheeldir.rstrip(os.path.sep) + os.path.sep + + # Record details of the files moved + # installed = files copied from the wheel to the destination + # changed = files changed while installing (scripts #! line typically) + # generated = files newly generated during the install (script wrappers) + installed = {} # type: Dict[str, str] + changed = set() + generated = [] # type: List[str] + + # Compile all of the pyc files that we're going to be installing + if pycompile: + with captured_stdout() as stdout: + with warnings.catch_warnings(): + warnings.filterwarnings('ignore') + compileall.compile_dir(source, force=True, quiet=True) + logger.debug(stdout.getvalue()) + + def record_installed(srcfile, destfile, modified=False): + """Map archive RECORD paths to installation RECORD paths.""" + oldpath = normpath(srcfile, wheeldir) + newpath = normpath(destfile, lib_dir) + installed[oldpath] = newpath + if modified: + changed.add(destfile) + + def clobber(source, dest, is_base, fixer=None, filter=None): + ensure_dir(dest) # common for the 'include' path + + for dir, subdirs, files in os.walk(source): + basedir = dir[len(source):].lstrip(os.path.sep) + destdir = os.path.join(dest, basedir) + if is_base and basedir.split(os.path.sep, 1)[0].endswith('.data'): + continue + for s in subdirs: + destsubdir = os.path.join(dest, basedir, s) + if is_base and basedir == '' and destsubdir.endswith('.data'): + data_dirs.append(s) + continue + elif (is_base and + s.endswith('.dist-info') and + canonicalize_name(s).startswith( + canonicalize_name(req.name))): + assert not info_dir, ('Multiple .dist-info directories: ' + + destsubdir + ', ' + + ', '.join(info_dir)) + info_dir.append(destsubdir) + for f in files: + # Skip unwanted files + if filter and filter(f): + continue + srcfile = os.path.join(dir, f) + destfile = os.path.join(dest, basedir, f) + # directory creation is lazy and after the file filtering above + # to ensure we don't install empty dirs; empty dirs can't be + # uninstalled. + ensure_dir(destdir) + + # copyfile (called below) truncates the destination if it + # exists and then writes the new contents. This is fine in most + # cases, but can cause a segfault if pip has loaded a shared + # object (e.g. from pyopenssl through its vendored urllib3) + # Since the shared object is mmap'd an attempt to call a + # symbol in it will then cause a segfault. Unlinking the file + # allows writing of new contents while allowing the process to + # continue to use the old copy. + if os.path.exists(destfile): + os.unlink(destfile) + + # We use copyfile (not move, copy, or copy2) to be extra sure + # that we are not moving directories over (copyfile fails for + # directories) as well as to ensure that we are not copying + # over any metadata because we want more control over what + # metadata we actually copy over. + shutil.copyfile(srcfile, destfile) + + # Copy over the metadata for the file, currently this only + # includes the atime and mtime. + st = os.stat(srcfile) + if hasattr(os, "utime"): + os.utime(destfile, (st.st_atime, st.st_mtime)) + + # If our file is executable, then make our destination file + # executable. + if os.access(srcfile, os.X_OK): + st = os.stat(srcfile) + permissions = ( + st.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH + ) + os.chmod(destfile, permissions) + + changed = False + if fixer: + changed = fixer(destfile) + record_installed(srcfile, destfile, changed) + + clobber(source, lib_dir, True) + + assert info_dir, "%s .dist-info directory not found" % req + + # Get the defined entry points + ep_file = os.path.join(info_dir[0], 'entry_points.txt') + console, gui = get_entrypoints(ep_file) + + def is_entrypoint_wrapper(name): + # EP, EP.exe and EP-script.py are scripts generated for + # entry point EP by setuptools + if name.lower().endswith('.exe'): + matchname = name[:-4] + elif name.lower().endswith('-script.py'): + matchname = name[:-10] + elif name.lower().endswith(".pya"): + matchname = name[:-4] + else: + matchname = name + # Ignore setuptools-generated scripts + return (matchname in console or matchname in gui) + + for datadir in data_dirs: + fixer = None + filter = None + for subdir in os.listdir(os.path.join(wheeldir, datadir)): + fixer = None + if subdir == 'scripts': + fixer = fix_script + filter = is_entrypoint_wrapper + source = os.path.join(wheeldir, datadir, subdir) + dest = scheme[subdir] + clobber(source, dest, False, fixer=fixer, filter=filter) + + maker = ScriptMaker(None, scheme['scripts']) + + # Ensure old scripts are overwritten. + # See https://github.com/pypa/pip/issues/1800 + maker.clobber = True + + # Ensure we don't generate any variants for scripts because this is almost + # never what somebody wants. + # See https://bitbucket.org/pypa/distlib/issue/35/ + maker.variants = {''} + + # This is required because otherwise distlib creates scripts that are not + # executable. + # See https://bitbucket.org/pypa/distlib/issue/32/ + maker.set_mode = True + + # Simplify the script and fix the fact that the default script swallows + # every single stack trace. + # See https://bitbucket.org/pypa/distlib/issue/34/ + # See https://bitbucket.org/pypa/distlib/issue/33/ + def _get_script_text(entry): + if entry.suffix is None: + raise InstallationError( + "Invalid script entry point: %s for req: %s - A callable " + "suffix is required. Cf https://packaging.python.org/en/" + "latest/distributing.html#console-scripts for more " + "information." % (entry, req) + ) + return maker.script_template % { + "module": entry.prefix, + "import_name": entry.suffix.split(".")[0], + "func": entry.suffix, + } + # ignore type, because mypy disallows assigning to a method, + # see https://github.com/python/mypy/issues/2427 + maker._get_script_text = _get_script_text # type: ignore + maker.script_template = r"""# -*- coding: utf-8 -*- +import re +import sys + +from %(module)s import %(import_name)s + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit(%(func)s()) +""" + + # Special case pip and setuptools to generate versioned wrappers + # + # The issue is that some projects (specifically, pip and setuptools) use + # code in setup.py to create "versioned" entry points - pip2.7 on Python + # 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into + # the wheel metadata at build time, and so if the wheel is installed with + # a *different* version of Python the entry points will be wrong. The + # correct fix for this is to enhance the metadata to be able to describe + # such versioned entry points, but that won't happen till Metadata 2.0 is + # available. + # In the meantime, projects using versioned entry points will either have + # incorrect versioned entry points, or they will not be able to distribute + # "universal" wheels (i.e., they will need a wheel per Python version). + # + # Because setuptools and pip are bundled with _ensurepip and virtualenv, + # we need to use universal wheels. So, as a stopgap until Metadata 2.0, we + # override the versioned entry points in the wheel and generate the + # correct ones. This code is purely a short-term measure until Metadata 2.0 + # is available. + # + # To add the level of hack in this section of code, in order to support + # ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment + # variable which will control which version scripts get installed. + # + # ENSUREPIP_OPTIONS=altinstall + # - Only pipX.Y and easy_install-X.Y will be generated and installed + # ENSUREPIP_OPTIONS=install + # - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note + # that this option is technically if ENSUREPIP_OPTIONS is set and is + # not altinstall + # DEFAULT + # - The default behavior is to install pip, pipX, pipX.Y, easy_install + # and easy_install-X.Y. + pip_script = console.pop('pip', None) + if pip_script: + if "ENSUREPIP_OPTIONS" not in os.environ: + spec = 'pip = ' + pip_script + generated.extend(maker.make(spec)) + + if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall": + spec = 'pip%s = %s' % (sys.version[:1], pip_script) + generated.extend(maker.make(spec)) + + spec = 'pip%s = %s' % (sys.version[:3], pip_script) + generated.extend(maker.make(spec)) + # Delete any other versioned pip entry points + pip_ep = [k for k in console if re.match(r'pip(\d(\.\d)?)?$', k)] + for k in pip_ep: + del console[k] + easy_install_script = console.pop('easy_install', None) + if easy_install_script: + if "ENSUREPIP_OPTIONS" not in os.environ: + spec = 'easy_install = ' + easy_install_script + generated.extend(maker.make(spec)) + + spec = 'easy_install-%s = %s' % (sys.version[:3], easy_install_script) + generated.extend(maker.make(spec)) + # Delete any other versioned easy_install entry points + easy_install_ep = [ + k for k in console if re.match(r'easy_install(-\d\.\d)?$', k) + ] + for k in easy_install_ep: + del console[k] + + # Generate the console and GUI entry points specified in the wheel + if len(console) > 0: + generated_console_scripts = maker.make_multiple( + ['%s = %s' % kv for kv in console.items()] + ) + generated.extend(generated_console_scripts) + + if warn_script_location: + msg = message_about_scripts_not_on_PATH(generated_console_scripts) + if msg is not None: + logger.warning(msg) + + if len(gui) > 0: + generated.extend( + maker.make_multiple( + ['%s = %s' % kv for kv in gui.items()], + {'gui': True} + ) + ) + + # Record pip as the installer + installer = os.path.join(info_dir[0], 'INSTALLER') + temp_installer = os.path.join(info_dir[0], 'INSTALLER.pip') + with open(temp_installer, 'wb') as installer_file: + installer_file.write(b'pip\n') + shutil.move(temp_installer, installer) + generated.append(installer) + + # Record details of all files installed + record = os.path.join(info_dir[0], 'RECORD') + temp_record = os.path.join(info_dir[0], 'RECORD.pip') + with open_for_csv(record, 'r') as record_in: + with open_for_csv(temp_record, 'w+') as record_out: + reader = csv.reader(record_in) + outrows = get_csv_rows_for_installed( + reader, installed=installed, changed=changed, + generated=generated, lib_dir=lib_dir, + ) + writer = csv.writer(record_out) + # Sort to simplify testing. + for row in sorted_outrows(outrows): + writer.writerow(row) + shutil.move(temp_record, record) + + +def wheel_version(source_dir): + # type: (Optional[str]) -> Optional[Tuple[int, ...]] + """ + Return the Wheel-Version of an extracted wheel, if possible. + + Otherwise, return None if we couldn't parse / extract it. + """ + try: + dist = [d for d in pkg_resources.find_on_path(None, source_dir)][0] + + wheel_data = dist.get_metadata('WHEEL') + wheel_data = Parser().parsestr(wheel_data) + + version = wheel_data['Wheel-Version'].strip() + version = tuple(map(int, version.split('.'))) + return version + except Exception: + return None + + +def check_compatibility(version, name): + # type: (Optional[Tuple[int, ...]], str) -> None + """ + Raises errors or warns if called with an incompatible Wheel-Version. + + Pip should refuse to install a Wheel-Version that's a major series + ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when + installing a version only minor version ahead (e.g 1.2 > 1.1). + + version: a 2-tuple representing a Wheel-Version (Major, Minor) + name: name of wheel or package to raise exception about + + :raises UnsupportedWheel: when an incompatible Wheel-Version is given + """ + if not version: + raise UnsupportedWheel( + "%s is in an unsupported or invalid wheel" % name + ) + if version[0] > VERSION_COMPATIBLE[0]: + raise UnsupportedWheel( + "%s's Wheel-Version (%s) is not compatible with this version " + "of pip" % (name, '.'.join(map(str, version))) + ) + elif version > VERSION_COMPATIBLE: + logger.warning( + 'Installing from a newer Wheel-Version (%s)', + '.'.join(map(str, version)), + ) + + +class Wheel(object): + """A wheel file""" + + # TODO: Maybe move the class into the models sub-package + # TODO: Maybe move the install code into this class + + wheel_file_re = re.compile( + r"""^(?P<namever>(?P<name>.+?)-(?P<ver>.*?)) + ((-(?P<build>\d[^-]*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?) + \.whl|\.dist-info)$""", + re.VERBOSE + ) + + def __init__(self, filename): + # type: (str) -> None + """ + :raises InvalidWheelFilename: when the filename is invalid for a wheel + """ + wheel_info = self.wheel_file_re.match(filename) + if not wheel_info: + raise InvalidWheelFilename( + "%s is not a valid wheel filename." % filename + ) + self.filename = filename + self.name = wheel_info.group('name').replace('_', '-') + # we'll assume "_" means "-" due to wheel naming scheme + # (https://github.com/pypa/pip/issues/1150) + self.version = wheel_info.group('ver').replace('_', '-') + self.build_tag = wheel_info.group('build') + self.pyversions = wheel_info.group('pyver').split('.') + self.abis = wheel_info.group('abi').split('.') + self.plats = wheel_info.group('plat').split('.') + + # All the tag combinations from this file + self.file_tags = { + (x, y, z) for x in self.pyversions + for y in self.abis for z in self.plats + } + + def support_index_min(self, tags=None): + # type: (Optional[List[Pep425Tag]]) -> Optional[int] + """ + Return the lowest index that one of the wheel's file_tag combinations + achieves in the supported_tags list e.g. if there are 8 supported tags, + and one of the file tags is first in the list, then return 0. Returns + None is the wheel is not supported. + """ + if tags is None: # for mock + tags = pep425tags.get_supported() + indexes = [tags.index(c) for c in self.file_tags if c in tags] + return min(indexes) if indexes else None + + def supported(self, tags=None): + # type: (Optional[List[Pep425Tag]]) -> bool + """Is this wheel supported on this system?""" + if tags is None: # for mock + tags = pep425tags.get_supported() + return bool(set(tags).intersection(self.file_tags)) + + +def _contains_egg_info( + s, _egg_info_re=re.compile(r'([a-z0-9_.]+)-([a-z0-9_.!+-]+)', re.I)): + """Determine whether the string looks like an egg_info. + + :param s: The string to parse. E.g. foo-2.1 + """ + return bool(_egg_info_re.search(s)) + + +def should_use_ephemeral_cache( + req, # type: InstallRequirement + format_control, # type: FormatControl + autobuilding, # type: bool + cache_available # type: bool +): + # type: (...) -> Optional[bool] + """ + Return whether to build an InstallRequirement object using the + ephemeral cache. + + :param cache_available: whether a cache directory is available for the + autobuilding=True case. + + :return: True or False to build the requirement with ephem_cache=True + or False, respectively; or None not to build the requirement. + """ + if req.constraint: + return None + if req.is_wheel: + if not autobuilding: + logger.info( + 'Skipping %s, due to already being wheel.', req.name, + ) + return None + if not autobuilding: + return False + + if req.editable or not req.source_dir: + return None + + if req.link and not req.link.is_artifact: + # VCS checkout. Build wheel just for this run. + return True + + if "binary" not in format_control.get_allowed_formats( + canonicalize_name(req.name)): + logger.info( + "Skipping bdist_wheel for %s, due to binaries " + "being disabled for it.", req.name, + ) + return None + + link = req.link + base, ext = link.splitext() + if cache_available and _contains_egg_info(base): + return False + + # Otherwise, build the wheel just for this run using the ephemeral + # cache since we are either in the case of e.g. a local directory, or + # no cache directory is available to use. + return True + + +def format_command( + command_args, # type: List[str] + command_output, # type: str +): + # type: (...) -> str + """ + Format command information for logging. + """ + text = 'Command arguments: {}\n'.format(command_args) + + if not command_output: + text += 'Command output: None' + elif logger.getEffectiveLevel() > logging.DEBUG: + text += 'Command output: [use --verbose to show]' + else: + if not command_output.endswith('\n'): + command_output += '\n' + text += ( + 'Command output:\n{}' + '-----------------------------------------' + ).format(command_output) + + return text + + +def get_legacy_build_wheel_path( + names, # type: List[str] + temp_dir, # type: str + req, # type: InstallRequirement + command_args, # type: List[str] + command_output, # type: str +): + # type: (...) -> Optional[str] + """ + Return the path to the wheel in the temporary build directory. + """ + # Sort for determinism. + names = sorted(names) + if not names: + msg = ( + 'Legacy build of wheel for {!r} created no files.\n' + ).format(req.name) + msg += format_command(command_args, command_output) + logger.warning(msg) + return None + + if len(names) > 1: + msg = ( + 'Legacy build of wheel for {!r} created more than one file.\n' + 'Filenames (choosing first): {}\n' + ).format(req.name, names) + msg += format_command(command_args, command_output) + logger.warning(msg) + + return os.path.join(temp_dir, names[0]) + + +class WheelBuilder(object): + """Build wheels from a RequirementSet.""" + + def __init__( + self, + finder, # type: PackageFinder + preparer, # type: RequirementPreparer + wheel_cache, # type: WheelCache + build_options=None, # type: Optional[List[str]] + global_options=None, # type: Optional[List[str]] + no_clean=False # type: bool + ): + # type: (...) -> None + self.finder = finder + self.preparer = preparer + self.wheel_cache = wheel_cache + + self._wheel_dir = preparer.wheel_download_dir + + self.build_options = build_options or [] + self.global_options = global_options or [] + self.no_clean = no_clean + + def _build_one(self, req, output_dir, python_tag=None): + """Build one wheel. + + :return: The filename of the built wheel, or None if the build failed. + """ + # Install build deps into temporary directory (PEP 518) + with req.build_env: + return self._build_one_inside_env(req, output_dir, + python_tag=python_tag) + + def _build_one_inside_env(self, req, output_dir, python_tag=None): + with TempDirectory(kind="wheel") as temp_dir: + if req.use_pep517: + builder = self._build_one_pep517 + else: + builder = self._build_one_legacy + wheel_path = builder(req, temp_dir.path, python_tag=python_tag) + if wheel_path is not None: + wheel_name = os.path.basename(wheel_path) + dest_path = os.path.join(output_dir, wheel_name) + try: + shutil.move(wheel_path, dest_path) + logger.info('Stored in directory: %s', output_dir) + return dest_path + except Exception: + pass + # Ignore return, we can't do anything else useful. + self._clean_one(req) + return None + + def _base_setup_args(self, req): + # NOTE: Eventually, we'd want to also -S to the flags here, when we're + # isolating. Currently, it breaks Python in virtualenvs, because it + # relies on site.py to find parts of the standard library outside the + # virtualenv. + return [ + sys.executable, '-u', '-c', + SETUPTOOLS_SHIM % req.setup_py + ] + list(self.global_options) + + def _build_one_pep517(self, req, tempd, python_tag=None): + """Build one InstallRequirement using the PEP 517 build process. + + Returns path to wheel if successfully built. Otherwise, returns None. + """ + assert req.metadata_directory is not None + try: + req.spin_message = 'Building wheel for %s (PEP 517)' % (req.name,) + logger.debug('Destination directory: %s', tempd) + wheel_name = req.pep517_backend.build_wheel( + tempd, + metadata_directory=req.metadata_directory + ) + if python_tag: + # General PEP 517 backends don't necessarily support + # a "--python-tag" option, so we rename the wheel + # file directly. + new_name = replace_python_tag(wheel_name, python_tag) + os.rename( + os.path.join(tempd, wheel_name), + os.path.join(tempd, new_name) + ) + # Reassign to simplify the return at the end of function + wheel_name = new_name + except Exception: + logger.error('Failed building wheel for %s', req.name) + return None + return os.path.join(tempd, wheel_name) + + def _build_one_legacy(self, req, tempd, python_tag=None): + """Build one InstallRequirement using the "legacy" build process. + + Returns path to wheel if successfully built. Otherwise, returns None. + """ + base_args = self._base_setup_args(req) + + spin_message = 'Building wheel for %s (setup.py)' % (req.name,) + with open_spinner(spin_message) as spinner: + logger.debug('Destination directory: %s', tempd) + wheel_args = base_args + ['bdist_wheel', '-d', tempd] \ + + self.build_options + + if python_tag is not None: + wheel_args += ["--python-tag", python_tag] + + try: + output = call_subprocess(wheel_args, cwd=req.setup_py_dir, + show_stdout=False, spinner=spinner) + except Exception: + spinner.finish("error") + logger.error('Failed building wheel for %s', req.name) + return None + names = os.listdir(tempd) + wheel_path = get_legacy_build_wheel_path( + names=names, + temp_dir=tempd, + req=req, + command_args=wheel_args, + command_output=output, + ) + return wheel_path + + def _clean_one(self, req): + base_args = self._base_setup_args(req) + + logger.info('Running setup.py clean for %s', req.name) + clean_args = base_args + ['clean', '--all'] + try: + call_subprocess(clean_args, cwd=req.source_dir, show_stdout=False) + return True + except Exception: + logger.error('Failed cleaning build dir for %s', req.name) + return False + + def build( + self, + requirements, # type: Iterable[InstallRequirement] + session, # type: PipSession + autobuilding=False # type: bool + ): + # type: (...) -> List[InstallRequirement] + """Build wheels. + + :param unpack: If True, replace the sdist we built from with the + newly built wheel, in preparation for installation. + :return: True if all the wheels built correctly. + """ + buildset = [] + format_control = self.finder.format_control + # Whether a cache directory is available for autobuilding=True. + cache_available = bool(self._wheel_dir or self.wheel_cache.cache_dir) + + for req in requirements: + ephem_cache = should_use_ephemeral_cache( + req, format_control=format_control, autobuilding=autobuilding, + cache_available=cache_available, + ) + if ephem_cache is None: + continue + + buildset.append((req, ephem_cache)) + + if not buildset: + return [] + + # Is any wheel build not using the ephemeral cache? + if any(not ephem_cache for _, ephem_cache in buildset): + have_directory_for_build = self._wheel_dir or ( + autobuilding and self.wheel_cache.cache_dir + ) + assert have_directory_for_build + + # TODO by @pradyunsg + # Should break up this method into 2 separate methods. + + # Build the wheels. + logger.info( + 'Building wheels for collected packages: %s', + ', '.join([req.name for (req, _) in buildset]), + ) + _cache = self.wheel_cache # shorter name + with indent_log(): + build_success, build_failure = [], [] + for req, ephem in buildset: + python_tag = None + if autobuilding: + python_tag = pep425tags.implementation_tag + if ephem: + output_dir = _cache.get_ephem_path_for_link(req.link) + else: + output_dir = _cache.get_path_for_link(req.link) + try: + ensure_dir(output_dir) + except OSError as e: + logger.warning("Building wheel for %s failed: %s", + req.name, e) + build_failure.append(req) + continue + else: + output_dir = self._wheel_dir + wheel_file = self._build_one( + req, output_dir, + python_tag=python_tag, + ) + if wheel_file: + build_success.append(req) + if autobuilding: + # XXX: This is mildly duplicative with prepare_files, + # but not close enough to pull out to a single common + # method. + # The code below assumes temporary source dirs - + # prevent it doing bad things. + if req.source_dir and not os.path.exists(os.path.join( + req.source_dir, PIP_DELETE_MARKER_FILENAME)): + raise AssertionError( + "bad source dir - missing marker") + # Delete the source we built the wheel from + req.remove_temporary_source() + # set the build directory again - name is known from + # the work prepare_files did. + req.source_dir = req.build_location( + self.preparer.build_dir + ) + # Update the link for this. + req.link = Link(path_to_url(wheel_file)) + assert req.link.is_wheel + # extract the wheel into the dir + unpack_url( + req.link, req.source_dir, None, False, + session=session, + ) + else: + build_failure.append(req) + + # notify success/failure + if build_success: + logger.info( + 'Successfully built %s', + ' '.join([req.name for req in build_success]), + ) + if build_failure: + logger.info( + 'Failed to build %s', + ' '.join([req.name for req in build_failure]), + ) + # Return a list of requirements that failed to build + return build_failure diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/__init__.py new file mode 100644 index 0000000..b919b54 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/__init__.py @@ -0,0 +1,111 @@ +""" +pip._vendor is for vendoring dependencies of pip to prevent needing pip to +depend on something external. + +Files inside of pip._vendor should be considered immutable and should only be +updated to versions from upstream. +""" +from __future__ import absolute_import + +import glob +import os.path +import sys + +# Downstream redistributors which have debundled our dependencies should also +# patch this value to be true. This will trigger the additional patching +# to cause things like "six" to be available as pip. +DEBUNDLED = False + +# By default, look in this directory for a bunch of .whl files which we will +# add to the beginning of sys.path before attempting to import anything. This +# is done to support downstream re-distributors like Debian and Fedora who +# wish to create their own Wheels for our dependencies to aid in debundling. +WHEEL_DIR = os.path.abspath(os.path.dirname(__file__)) + + +# Define a small helper function to alias our vendored modules to the real ones +# if the vendored ones do not exist. This idea of this was taken from +# https://github.com/kennethreitz/requests/pull/2567. +def vendored(modulename): + vendored_name = "{0}.{1}".format(__name__, modulename) + + try: + __import__(vendored_name, globals(), locals(), level=0) + except ImportError: + try: + __import__(modulename, globals(), locals(), level=0) + except ImportError: + # We can just silently allow import failures to pass here. If we + # got to this point it means that ``import pip._vendor.whatever`` + # failed and so did ``import whatever``. Since we're importing this + # upfront in an attempt to alias imports, not erroring here will + # just mean we get a regular import error whenever pip *actually* + # tries to import one of these modules to use it, which actually + # gives us a better error message than we would have otherwise + # gotten. + pass + else: + sys.modules[vendored_name] = sys.modules[modulename] + base, head = vendored_name.rsplit(".", 1) + setattr(sys.modules[base], head, sys.modules[modulename]) + + +# If we're operating in a debundled setup, then we want to go ahead and trigger +# the aliasing of our vendored libraries as well as looking for wheels to add +# to our sys.path. This will cause all of this code to be a no-op typically +# however downstream redistributors can enable it in a consistent way across +# all platforms. +if DEBUNDLED: + # Actually look inside of WHEEL_DIR to find .whl files and add them to the + # front of our sys.path. + sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path + + # Actually alias all of our vendored dependencies. + vendored("cachecontrol") + vendored("colorama") + vendored("distlib") + vendored("distro") + vendored("html5lib") + vendored("lockfile") + vendored("six") + vendored("six.moves") + vendored("six.moves.urllib") + vendored("six.moves.urllib.parse") + vendored("packaging") + vendored("packaging.version") + vendored("packaging.specifiers") + vendored("pep517") + vendored("pkg_resources") + vendored("progress") + vendored("pytoml") + vendored("retrying") + vendored("requests") + vendored("requests.packages") + vendored("requests.packages.urllib3") + vendored("requests.packages.urllib3._collections") + vendored("requests.packages.urllib3.connection") + vendored("requests.packages.urllib3.connectionpool") + vendored("requests.packages.urllib3.contrib") + vendored("requests.packages.urllib3.contrib.ntlmpool") + vendored("requests.packages.urllib3.contrib.pyopenssl") + vendored("requests.packages.urllib3.exceptions") + vendored("requests.packages.urllib3.fields") + vendored("requests.packages.urllib3.filepost") + vendored("requests.packages.urllib3.packages") + vendored("requests.packages.urllib3.packages.ordered_dict") + vendored("requests.packages.urllib3.packages.six") + vendored("requests.packages.urllib3.packages.ssl_match_hostname") + vendored("requests.packages.urllib3.packages.ssl_match_hostname." + "_implementation") + vendored("requests.packages.urllib3.poolmanager") + vendored("requests.packages.urllib3.request") + vendored("requests.packages.urllib3.response") + vendored("requests.packages.urllib3.util") + vendored("requests.packages.urllib3.util.connection") + vendored("requests.packages.urllib3.util.request") + vendored("requests.packages.urllib3.util.response") + vendored("requests.packages.urllib3.util.retry") + vendored("requests.packages.urllib3.util.ssl_") + vendored("requests.packages.urllib3.util.timeout") + vendored("requests.packages.urllib3.util.url") + vendored("urllib3") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/appdirs.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/appdirs.py new file mode 100644 index 0000000..2bd3911 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/appdirs.py @@ -0,0 +1,604 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# Copyright (c) 2005-2010 ActiveState Software Inc. +# Copyright (c) 2013 Eddy Petrișor + +"""Utilities for determining application-specific dirs. + +See <http://github.com/ActiveState/appdirs> for details and usage. +""" +# Dev Notes: +# - MSDN on where to store app data files: +# http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120 +# - Mac OS X: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/index.html +# - XDG spec for Un*x: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html + +__version_info__ = (1, 4, 3) +__version__ = '.'.join(map(str, __version_info__)) + + +import sys +import os + +PY3 = sys.version_info[0] == 3 + +if PY3: + unicode = str + +if sys.platform.startswith('java'): + import platform + os_name = platform.java_ver()[3][0] + if os_name.startswith('Windows'): # "Windows XP", "Windows 7", etc. + system = 'win32' + elif os_name.startswith('Mac'): # "Mac OS X", etc. + system = 'darwin' + else: # "Linux", "SunOS", "FreeBSD", etc. + # Setting this to "linux2" is not ideal, but only Windows or Mac + # are actually checked for and the rest of the module expects + # *sys.platform* style strings. + system = 'linux2' +else: + system = sys.platform + + + +def user_data_dir(appname=None, appauthor=None, version=None, roaming=False): + r"""Return full path to the user-specific data dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "roaming" (boolean, default False) can be set True to use the Windows + roaming appdata directory. That means that for users on a Windows + network setup for roaming profiles, this user data will be + sync'd on login. See + <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx> + for a discussion of issues. + + Typical user data directories are: + Mac OS X: ~/Library/Application Support/<AppName> + Unix: ~/.local/share/<AppName> # or in $XDG_DATA_HOME, if defined + Win XP (not roaming): C:\Documents and Settings\<username>\Application Data\<AppAuthor>\<AppName> + Win XP (roaming): C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName> + Win 7 (not roaming): C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName> + Win 7 (roaming): C:\Users\<username>\AppData\Roaming\<AppAuthor>\<AppName> + + For Unix, we follow the XDG spec and support $XDG_DATA_HOME. + That means, by default "~/.local/share/<AppName>". + """ + if system == "win32": + if appauthor is None: + appauthor = appname + const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA" + path = os.path.normpath(_get_win_folder(const)) + if appname: + if appauthor is not False: + path = os.path.join(path, appauthor, appname) + else: + path = os.path.join(path, appname) + elif system == 'darwin': + path = os.path.expanduser('~/Library/Application Support/') + if appname: + path = os.path.join(path, appname) + else: + path = os.getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share")) + if appname: + path = os.path.join(path, appname) + if appname and version: + path = os.path.join(path, version) + return path + + +def site_data_dir(appname=None, appauthor=None, version=None, multipath=False): + r"""Return full path to the user-shared data dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "multipath" is an optional parameter only applicable to *nix + which indicates that the entire list of data dirs should be + returned. By default, the first item from XDG_DATA_DIRS is + returned, or '/usr/local/share/<AppName>', + if XDG_DATA_DIRS is not set + + Typical site data directories are: + Mac OS X: /Library/Application Support/<AppName> + Unix: /usr/local/share/<AppName> or /usr/share/<AppName> + Win XP: C:\Documents and Settings\All Users\Application Data\<AppAuthor>\<AppName> + Vista: (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.) + Win 7: C:\ProgramData\<AppAuthor>\<AppName> # Hidden, but writeable on Win 7. + + For Unix, this is using the $XDG_DATA_DIRS[0] default. + + WARNING: Do not use this on Windows. See the Vista-Fail note above for why. + """ + if system == "win32": + if appauthor is None: + appauthor = appname + path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA")) + if appname: + if appauthor is not False: + path = os.path.join(path, appauthor, appname) + else: + path = os.path.join(path, appname) + elif system == 'darwin': + path = os.path.expanduser('/Library/Application Support') + if appname: + path = os.path.join(path, appname) + else: + # XDG default for $XDG_DATA_DIRS + # only first, if multipath is False + path = os.getenv('XDG_DATA_DIRS', + os.pathsep.join(['/usr/local/share', '/usr/share'])) + pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)] + if appname: + if version: + appname = os.path.join(appname, version) + pathlist = [os.sep.join([x, appname]) for x in pathlist] + + if multipath: + path = os.pathsep.join(pathlist) + else: + path = pathlist[0] + return path + + if appname and version: + path = os.path.join(path, version) + return path + + +def user_config_dir(appname=None, appauthor=None, version=None, roaming=False): + r"""Return full path to the user-specific config dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "roaming" (boolean, default False) can be set True to use the Windows + roaming appdata directory. That means that for users on a Windows + network setup for roaming profiles, this user data will be + sync'd on login. See + <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx> + for a discussion of issues. + + Typical user config directories are: + Mac OS X: same as user_data_dir + Unix: ~/.config/<AppName> # or in $XDG_CONFIG_HOME, if defined + Win *: same as user_data_dir + + For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME. + That means, by default "~/.config/<AppName>". + """ + if system in ["win32", "darwin"]: + path = user_data_dir(appname, appauthor, None, roaming) + else: + path = os.getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config")) + if appname: + path = os.path.join(path, appname) + if appname and version: + path = os.path.join(path, version) + return path + + +def site_config_dir(appname=None, appauthor=None, version=None, multipath=False): + r"""Return full path to the user-shared data dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "multipath" is an optional parameter only applicable to *nix + which indicates that the entire list of config dirs should be + returned. By default, the first item from XDG_CONFIG_DIRS is + returned, or '/etc/xdg/<AppName>', if XDG_CONFIG_DIRS is not set + + Typical site config directories are: + Mac OS X: same as site_data_dir + Unix: /etc/xdg/<AppName> or $XDG_CONFIG_DIRS[i]/<AppName> for each value in + $XDG_CONFIG_DIRS + Win *: same as site_data_dir + Vista: (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.) + + For Unix, this is using the $XDG_CONFIG_DIRS[0] default, if multipath=False + + WARNING: Do not use this on Windows. See the Vista-Fail note above for why. + """ + if system in ["win32", "darwin"]: + path = site_data_dir(appname, appauthor) + if appname and version: + path = os.path.join(path, version) + else: + # XDG default for $XDG_CONFIG_DIRS + # only first, if multipath is False + path = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg') + pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)] + if appname: + if version: + appname = os.path.join(appname, version) + pathlist = [os.sep.join([x, appname]) for x in pathlist] + + if multipath: + path = os.pathsep.join(pathlist) + else: + path = pathlist[0] + return path + + +def user_cache_dir(appname=None, appauthor=None, version=None, opinion=True): + r"""Return full path to the user-specific cache dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "opinion" (boolean) can be False to disable the appending of + "Cache" to the base app data dir for Windows. See + discussion below. + + Typical user cache directories are: + Mac OS X: ~/Library/Caches/<AppName> + Unix: ~/.cache/<AppName> (XDG default) + Win XP: C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Cache + Vista: C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Cache + + On Windows the only suggestion in the MSDN docs is that local settings go in + the `CSIDL_LOCAL_APPDATA` directory. This is identical to the non-roaming + app data dir (the default returned by `user_data_dir` above). Apps typically + put cache data somewhere *under* the given dir here. Some examples: + ...\Mozilla\Firefox\Profiles\<ProfileName>\Cache + ...\Acme\SuperApp\Cache\1.0 + OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value. + This can be disabled with the `opinion=False` option. + """ + if system == "win32": + if appauthor is None: + appauthor = appname + path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA")) + if appname: + if appauthor is not False: + path = os.path.join(path, appauthor, appname) + else: + path = os.path.join(path, appname) + if opinion: + path = os.path.join(path, "Cache") + elif system == 'darwin': + path = os.path.expanduser('~/Library/Caches') + if appname: + path = os.path.join(path, appname) + else: + path = os.getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache')) + if appname: + path = os.path.join(path, appname) + if appname and version: + path = os.path.join(path, version) + return path + + +def user_state_dir(appname=None, appauthor=None, version=None, roaming=False): + r"""Return full path to the user-specific state dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "roaming" (boolean, default False) can be set True to use the Windows + roaming appdata directory. That means that for users on a Windows + network setup for roaming profiles, this user data will be + sync'd on login. See + <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx> + for a discussion of issues. + + Typical user state directories are: + Mac OS X: same as user_data_dir + Unix: ~/.local/state/<AppName> # or in $XDG_STATE_HOME, if defined + Win *: same as user_data_dir + + For Unix, we follow this Debian proposal <https://wiki.debian.org/XDGBaseDirectorySpecification#state> + to extend the XDG spec and support $XDG_STATE_HOME. + + That means, by default "~/.local/state/<AppName>". + """ + if system in ["win32", "darwin"]: + path = user_data_dir(appname, appauthor, None, roaming) + else: + path = os.getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state")) + if appname: + path = os.path.join(path, appname) + if appname and version: + path = os.path.join(path, version) + return path + + +def user_log_dir(appname=None, appauthor=None, version=None, opinion=True): + r"""Return full path to the user-specific log dir for this application. + + "appname" is the name of application. + If None, just the system directory is returned. + "appauthor" (only used on Windows) is the name of the + appauthor or distributing body for this application. Typically + it is the owning company name. This falls back to appname. You may + pass False to disable it. + "version" is an optional version path element to append to the + path. You might want to use this if you want multiple versions + of your app to be able to run independently. If used, this + would typically be "<major>.<minor>". + Only applied when appname is present. + "opinion" (boolean) can be False to disable the appending of + "Logs" to the base app data dir for Windows, and "log" to the + base cache dir for Unix. See discussion below. + + Typical user log directories are: + Mac OS X: ~/Library/Logs/<AppName> + Unix: ~/.cache/<AppName>/log # or under $XDG_CACHE_HOME if defined + Win XP: C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Logs + Vista: C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Logs + + On Windows the only suggestion in the MSDN docs is that local settings + go in the `CSIDL_LOCAL_APPDATA` directory. (Note: I'm interested in + examples of what some windows apps use for a logs dir.) + + OPINION: This function appends "Logs" to the `CSIDL_LOCAL_APPDATA` + value for Windows and appends "log" to the user cache dir for Unix. + This can be disabled with the `opinion=False` option. + """ + if system == "darwin": + path = os.path.join( + os.path.expanduser('~/Library/Logs'), + appname) + elif system == "win32": + path = user_data_dir(appname, appauthor, version) + version = False + if opinion: + path = os.path.join(path, "Logs") + else: + path = user_cache_dir(appname, appauthor, version) + version = False + if opinion: + path = os.path.join(path, "log") + if appname and version: + path = os.path.join(path, version) + return path + + +class AppDirs(object): + """Convenience wrapper for getting application dirs.""" + def __init__(self, appname=None, appauthor=None, version=None, + roaming=False, multipath=False): + self.appname = appname + self.appauthor = appauthor + self.version = version + self.roaming = roaming + self.multipath = multipath + + @property + def user_data_dir(self): + return user_data_dir(self.appname, self.appauthor, + version=self.version, roaming=self.roaming) + + @property + def site_data_dir(self): + return site_data_dir(self.appname, self.appauthor, + version=self.version, multipath=self.multipath) + + @property + def user_config_dir(self): + return user_config_dir(self.appname, self.appauthor, + version=self.version, roaming=self.roaming) + + @property + def site_config_dir(self): + return site_config_dir(self.appname, self.appauthor, + version=self.version, multipath=self.multipath) + + @property + def user_cache_dir(self): + return user_cache_dir(self.appname, self.appauthor, + version=self.version) + + @property + def user_state_dir(self): + return user_state_dir(self.appname, self.appauthor, + version=self.version) + + @property + def user_log_dir(self): + return user_log_dir(self.appname, self.appauthor, + version=self.version) + + +#---- internal support stuff + +def _get_win_folder_from_registry(csidl_name): + """This is a fallback technique at best. I'm not sure if using the + registry for this guarantees us the correct answer for all CSIDL_* + names. + """ + if PY3: + import winreg as _winreg + else: + import _winreg + + shell_folder_name = { + "CSIDL_APPDATA": "AppData", + "CSIDL_COMMON_APPDATA": "Common AppData", + "CSIDL_LOCAL_APPDATA": "Local AppData", + }[csidl_name] + + key = _winreg.OpenKey( + _winreg.HKEY_CURRENT_USER, + r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" + ) + dir, type = _winreg.QueryValueEx(key, shell_folder_name) + return dir + + +def _get_win_folder_with_pywin32(csidl_name): + from win32com.shell import shellcon, shell + dir = shell.SHGetFolderPath(0, getattr(shellcon, csidl_name), 0, 0) + # Try to make this a unicode path because SHGetFolderPath does + # not return unicode strings when there is unicode data in the + # path. + try: + dir = unicode(dir) + + # Downgrade to short path name if have highbit chars. See + # <http://bugs.activestate.com/show_bug.cgi?id=85099>. + has_high_char = False + for c in dir: + if ord(c) > 255: + has_high_char = True + break + if has_high_char: + try: + import win32api + dir = win32api.GetShortPathName(dir) + except ImportError: + pass + except UnicodeError: + pass + return dir + + +def _get_win_folder_with_ctypes(csidl_name): + import ctypes + + csidl_const = { + "CSIDL_APPDATA": 26, + "CSIDL_COMMON_APPDATA": 35, + "CSIDL_LOCAL_APPDATA": 28, + }[csidl_name] + + buf = ctypes.create_unicode_buffer(1024) + ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf) + + # Downgrade to short path name if have highbit chars. See + # <http://bugs.activestate.com/show_bug.cgi?id=85099>. + has_high_char = False + for c in buf: + if ord(c) > 255: + has_high_char = True + break + if has_high_char: + buf2 = ctypes.create_unicode_buffer(1024) + if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024): + buf = buf2 + + return buf.value + +def _get_win_folder_with_jna(csidl_name): + import array + from com.sun import jna + from com.sun.jna.platform import win32 + + buf_size = win32.WinDef.MAX_PATH * 2 + buf = array.zeros('c', buf_size) + shell = win32.Shell32.INSTANCE + shell.SHGetFolderPath(None, getattr(win32.ShlObj, csidl_name), None, win32.ShlObj.SHGFP_TYPE_CURRENT, buf) + dir = jna.Native.toString(buf.tostring()).rstrip("\0") + + # Downgrade to short path name if have highbit chars. See + # <http://bugs.activestate.com/show_bug.cgi?id=85099>. + has_high_char = False + for c in dir: + if ord(c) > 255: + has_high_char = True + break + if has_high_char: + buf = array.zeros('c', buf_size) + kernel = win32.Kernel32.INSTANCE + if kernel.GetShortPathName(dir, buf, buf_size): + dir = jna.Native.toString(buf.tostring()).rstrip("\0") + + return dir + +if system == "win32": + try: + from ctypes import windll + _get_win_folder = _get_win_folder_with_ctypes + except ImportError: + try: + import com.sun.jna + _get_win_folder = _get_win_folder_with_jna + except ImportError: + _get_win_folder = _get_win_folder_from_registry + + +#---- self test code + +if __name__ == "__main__": + appname = "MyApp" + appauthor = "MyCompany" + + props = ("user_data_dir", + "user_config_dir", + "user_cache_dir", + "user_state_dir", + "user_log_dir", + "site_data_dir", + "site_config_dir") + + print("-- app dirs %s --" % __version__) + + print("-- app dirs (with optional 'version')") + dirs = AppDirs(appname, appauthor, version="1.0") + for prop in props: + print("%s: %s" % (prop, getattr(dirs, prop))) + + print("\n-- app dirs (without optional 'version')") + dirs = AppDirs(appname, appauthor) + for prop in props: + print("%s: %s" % (prop, getattr(dirs, prop))) + + print("\n-- app dirs (without optional 'appauthor')") + dirs = AppDirs(appname) + for prop in props: + print("%s: %s" % (prop, getattr(dirs, prop))) + + print("\n-- app dirs (with disabled 'appauthor')") + dirs = AppDirs(appname, appauthor=False) + for prop in props: + print("%s: %s" % (prop, getattr(dirs, prop))) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/__init__.py new file mode 100644 index 0000000..8fdee66 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/__init__.py @@ -0,0 +1,11 @@ +"""CacheControl import Interface. + +Make it easy to import from cachecontrol without long namespaces. +""" +__author__ = "Eric Larson" +__email__ = "eric@ionrock.org" +__version__ = "0.12.5" + +from .wrapper import CacheControl +from .adapter import CacheControlAdapter +from .controller import CacheController diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/_cmd.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/_cmd.py new file mode 100644 index 0000000..f1e0ad9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/_cmd.py @@ -0,0 +1,57 @@ +import logging + +from pip._vendor import requests + +from pip._vendor.cachecontrol.adapter import CacheControlAdapter +from pip._vendor.cachecontrol.cache import DictCache +from pip._vendor.cachecontrol.controller import logger + +from argparse import ArgumentParser + + +def setup_logging(): + logger.setLevel(logging.DEBUG) + handler = logging.StreamHandler() + logger.addHandler(handler) + + +def get_session(): + adapter = CacheControlAdapter( + DictCache(), cache_etags=True, serializer=None, heuristic=None + ) + sess = requests.Session() + sess.mount("http://", adapter) + sess.mount("https://", adapter) + + sess.cache_controller = adapter.controller + return sess + + +def get_args(): + parser = ArgumentParser() + parser.add_argument("url", help="The URL to try and cache") + return parser.parse_args() + + +def main(args=None): + args = get_args() + sess = get_session() + + # Make a request to get a response + resp = sess.get(args.url) + + # Turn on logging + setup_logging() + + # try setting the cache + sess.cache_controller.cache_response(resp.request, resp.raw) + + # Now try to get it + if sess.cache_controller.cached_request(resp.request): + print("Cached!") + else: + print("Not cached :(") + + +if __name__ == "__main__": + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/adapter.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/adapter.py new file mode 100644 index 0000000..780eb28 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/adapter.py @@ -0,0 +1,133 @@ +import types +import functools +import zlib + +from pip._vendor.requests.adapters import HTTPAdapter + +from .controller import CacheController +from .cache import DictCache +from .filewrapper import CallbackFileWrapper + + +class CacheControlAdapter(HTTPAdapter): + invalidating_methods = {"PUT", "DELETE"} + + def __init__( + self, + cache=None, + cache_etags=True, + controller_class=None, + serializer=None, + heuristic=None, + cacheable_methods=None, + *args, + **kw + ): + super(CacheControlAdapter, self).__init__(*args, **kw) + self.cache = cache or DictCache() + self.heuristic = heuristic + self.cacheable_methods = cacheable_methods or ("GET",) + + controller_factory = controller_class or CacheController + self.controller = controller_factory( + self.cache, cache_etags=cache_etags, serializer=serializer + ) + + def send(self, request, cacheable_methods=None, **kw): + """ + Send a request. Use the request information to see if it + exists in the cache and cache the response if we need to and can. + """ + cacheable = cacheable_methods or self.cacheable_methods + if request.method in cacheable: + try: + cached_response = self.controller.cached_request(request) + except zlib.error: + cached_response = None + if cached_response: + return self.build_response(request, cached_response, from_cache=True) + + # check for etags and add headers if appropriate + request.headers.update(self.controller.conditional_headers(request)) + + resp = super(CacheControlAdapter, self).send(request, **kw) + + return resp + + def build_response( + self, request, response, from_cache=False, cacheable_methods=None + ): + """ + Build a response by making a request or using the cache. + + This will end up calling send and returning a potentially + cached response + """ + cacheable = cacheable_methods or self.cacheable_methods + if not from_cache and request.method in cacheable: + # Check for any heuristics that might update headers + # before trying to cache. + if self.heuristic: + response = self.heuristic.apply(response) + + # apply any expiration heuristics + if response.status == 304: + # We must have sent an ETag request. This could mean + # that we've been expired already or that we simply + # have an etag. In either case, we want to try and + # update the cache if that is the case. + cached_response = self.controller.update_cached_response( + request, response + ) + + if cached_response is not response: + from_cache = True + + # We are done with the server response, read a + # possible response body (compliant servers will + # not return one, but we cannot be 100% sure) and + # release the connection back to the pool. + response.read(decode_content=False) + response.release_conn() + + response = cached_response + + # We always cache the 301 responses + elif response.status == 301: + self.controller.cache_response(request, response) + else: + # Wrap the response file with a wrapper that will cache the + # response when the stream has been consumed. + response._fp = CallbackFileWrapper( + response._fp, + functools.partial( + self.controller.cache_response, request, response + ), + ) + if response.chunked: + super_update_chunk_length = response._update_chunk_length + + def _update_chunk_length(self): + super_update_chunk_length() + if self.chunk_left == 0: + self._fp._close() + + response._update_chunk_length = types.MethodType( + _update_chunk_length, response + ) + + resp = super(CacheControlAdapter, self).build_response(request, response) + + # See if we should invalidate the cache. + if request.method in self.invalidating_methods and resp.ok: + cache_url = self.controller.cache_url(request.url) + self.cache.delete(cache_url) + + # Give the request a from_cache attr to let people use it + resp.from_cache = from_cache + + return resp + + def close(self): + self.cache.close() + super(CacheControlAdapter, self).close() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/cache.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/cache.py new file mode 100644 index 0000000..94e0773 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/cache.py @@ -0,0 +1,39 @@ +""" +The cache object API for implementing caches. The default is a thread +safe in-memory dictionary. +""" +from threading import Lock + + +class BaseCache(object): + + def get(self, key): + raise NotImplementedError() + + def set(self, key, value): + raise NotImplementedError() + + def delete(self, key): + raise NotImplementedError() + + def close(self): + pass + + +class DictCache(BaseCache): + + def __init__(self, init_dict=None): + self.lock = Lock() + self.data = init_dict or {} + + def get(self, key): + return self.data.get(key, None) + + def set(self, key, value): + with self.lock: + self.data.update({key: value}) + + def delete(self, key): + with self.lock: + if key in self.data: + self.data.pop(key) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/__init__.py new file mode 100644 index 0000000..0e1658f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/__init__.py @@ -0,0 +1,2 @@ +from .file_cache import FileCache # noqa +from .redis_cache import RedisCache # noqa diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/file_cache.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/file_cache.py new file mode 100644 index 0000000..1ba0080 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/file_cache.py @@ -0,0 +1,146 @@ +import hashlib +import os +from textwrap import dedent + +from ..cache import BaseCache +from ..controller import CacheController + +try: + FileNotFoundError +except NameError: + # py2.X + FileNotFoundError = (IOError, OSError) + + +def _secure_open_write(filename, fmode): + # We only want to write to this file, so open it in write only mode + flags = os.O_WRONLY + + # os.O_CREAT | os.O_EXCL will fail if the file already exists, so we only + # will open *new* files. + # We specify this because we want to ensure that the mode we pass is the + # mode of the file. + flags |= os.O_CREAT | os.O_EXCL + + # Do not follow symlinks to prevent someone from making a symlink that + # we follow and insecurely open a cache file. + if hasattr(os, "O_NOFOLLOW"): + flags |= os.O_NOFOLLOW + + # On Windows we'll mark this file as binary + if hasattr(os, "O_BINARY"): + flags |= os.O_BINARY + + # Before we open our file, we want to delete any existing file that is + # there + try: + os.remove(filename) + except (IOError, OSError): + # The file must not exist already, so we can just skip ahead to opening + pass + + # Open our file, the use of os.O_CREAT | os.O_EXCL will ensure that if a + # race condition happens between the os.remove and this line, that an + # error will be raised. Because we utilize a lockfile this should only + # happen if someone is attempting to attack us. + fd = os.open(filename, flags, fmode) + try: + return os.fdopen(fd, "wb") + + except: + # An error occurred wrapping our FD in a file object + os.close(fd) + raise + + +class FileCache(BaseCache): + + def __init__( + self, + directory, + forever=False, + filemode=0o0600, + dirmode=0o0700, + use_dir_lock=None, + lock_class=None, + ): + + if use_dir_lock is not None and lock_class is not None: + raise ValueError("Cannot use use_dir_lock and lock_class together") + + try: + from pip._vendor.lockfile import LockFile + from pip._vendor.lockfile.mkdirlockfile import MkdirLockFile + except ImportError: + notice = dedent( + """ + NOTE: In order to use the FileCache you must have + lockfile installed. You can install it via pip: + pip install lockfile + """ + ) + raise ImportError(notice) + + else: + if use_dir_lock: + lock_class = MkdirLockFile + + elif lock_class is None: + lock_class = LockFile + + self.directory = directory + self.forever = forever + self.filemode = filemode + self.dirmode = dirmode + self.lock_class = lock_class + + @staticmethod + def encode(x): + return hashlib.sha224(x.encode()).hexdigest() + + def _fn(self, name): + # NOTE: This method should not change as some may depend on it. + # See: https://github.com/ionrock/cachecontrol/issues/63 + hashed = self.encode(name) + parts = list(hashed[:5]) + [hashed] + return os.path.join(self.directory, *parts) + + def get(self, key): + name = self._fn(key) + try: + with open(name, "rb") as fh: + return fh.read() + + except FileNotFoundError: + return None + + def set(self, key, value): + name = self._fn(key) + + # Make sure the directory exists + try: + os.makedirs(os.path.dirname(name), self.dirmode) + except (IOError, OSError): + pass + + with self.lock_class(name) as lock: + # Write our actual file + with _secure_open_write(lock.path, self.filemode) as fh: + fh.write(value) + + def delete(self, key): + name = self._fn(key) + if not self.forever: + try: + os.remove(name) + except FileNotFoundError: + pass + + +def url_to_file_path(url, filecache): + """Return the file cache path based on the URL. + + This does not ensure the file exists! + """ + key = CacheController.cache_url(url) + return filecache._fn(key) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/redis_cache.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/redis_cache.py new file mode 100644 index 0000000..ed705ce --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/caches/redis_cache.py @@ -0,0 +1,33 @@ +from __future__ import division + +from datetime import datetime +from pip._vendor.cachecontrol.cache import BaseCache + + +class RedisCache(BaseCache): + + def __init__(self, conn): + self.conn = conn + + def get(self, key): + return self.conn.get(key) + + def set(self, key, value, expires=None): + if not expires: + self.conn.set(key, value) + else: + expires = expires - datetime.utcnow() + self.conn.setex(key, int(expires.total_seconds()), value) + + def delete(self, key): + self.conn.delete(key) + + def clear(self): + """Helper for clearing all the keys in a database. Use with + caution!""" + for key in self.conn.keys(): + self.conn.delete(key) + + def close(self): + """Redis uses connection pooling, no need to close the connection.""" + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/compat.py new file mode 100644 index 0000000..33b5aed --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/compat.py @@ -0,0 +1,29 @@ +try: + from urllib.parse import urljoin +except ImportError: + from urlparse import urljoin + + +try: + import cPickle as pickle +except ImportError: + import pickle + + +# Handle the case where the requests module has been patched to not have +# urllib3 bundled as part of its source. +try: + from pip._vendor.requests.packages.urllib3.response import HTTPResponse +except ImportError: + from pip._vendor.urllib3.response import HTTPResponse + +try: + from pip._vendor.requests.packages.urllib3.util import is_fp_closed +except ImportError: + from pip._vendor.urllib3.util import is_fp_closed + +# Replicate some six behaviour +try: + text_type = unicode +except NameError: + text_type = str diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/controller.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/controller.py new file mode 100644 index 0000000..1b2b943 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/controller.py @@ -0,0 +1,367 @@ +""" +The httplib2 algorithms ported for use with requests. +""" +import logging +import re +import calendar +import time +from email.utils import parsedate_tz + +from pip._vendor.requests.structures import CaseInsensitiveDict + +from .cache import DictCache +from .serialize import Serializer + + +logger = logging.getLogger(__name__) + +URI = re.compile(r"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?") + + +def parse_uri(uri): + """Parses a URI using the regex given in Appendix B of RFC 3986. + + (scheme, authority, path, query, fragment) = parse_uri(uri) + """ + groups = URI.match(uri).groups() + return (groups[1], groups[3], groups[4], groups[6], groups[8]) + + +class CacheController(object): + """An interface to see if request should cached or not. + """ + + def __init__( + self, cache=None, cache_etags=True, serializer=None, status_codes=None + ): + self.cache = cache or DictCache() + self.cache_etags = cache_etags + self.serializer = serializer or Serializer() + self.cacheable_status_codes = status_codes or (200, 203, 300, 301) + + @classmethod + def _urlnorm(cls, uri): + """Normalize the URL to create a safe key for the cache""" + (scheme, authority, path, query, fragment) = parse_uri(uri) + if not scheme or not authority: + raise Exception("Only absolute URIs are allowed. uri = %s" % uri) + + scheme = scheme.lower() + authority = authority.lower() + + if not path: + path = "/" + + # Could do syntax based normalization of the URI before + # computing the digest. See Section 6.2.2 of Std 66. + request_uri = query and "?".join([path, query]) or path + defrag_uri = scheme + "://" + authority + request_uri + + return defrag_uri + + @classmethod + def cache_url(cls, uri): + return cls._urlnorm(uri) + + def parse_cache_control(self, headers): + known_directives = { + # https://tools.ietf.org/html/rfc7234#section-5.2 + "max-age": (int, True), + "max-stale": (int, False), + "min-fresh": (int, True), + "no-cache": (None, False), + "no-store": (None, False), + "no-transform": (None, False), + "only-if-cached": (None, False), + "must-revalidate": (None, False), + "public": (None, False), + "private": (None, False), + "proxy-revalidate": (None, False), + "s-maxage": (int, True), + } + + cc_headers = headers.get("cache-control", headers.get("Cache-Control", "")) + + retval = {} + + for cc_directive in cc_headers.split(","): + if not cc_directive.strip(): + continue + + parts = cc_directive.split("=", 1) + directive = parts[0].strip() + + try: + typ, required = known_directives[directive] + except KeyError: + logger.debug("Ignoring unknown cache-control directive: %s", directive) + continue + + if not typ or not required: + retval[directive] = None + if typ: + try: + retval[directive] = typ(parts[1].strip()) + except IndexError: + if required: + logger.debug( + "Missing value for cache-control " "directive: %s", + directive, + ) + except ValueError: + logger.debug( + "Invalid value for cache-control directive " "%s, must be %s", + directive, + typ.__name__, + ) + + return retval + + def cached_request(self, request): + """ + Return a cached response if it exists in the cache, otherwise + return False. + """ + cache_url = self.cache_url(request.url) + logger.debug('Looking up "%s" in the cache', cache_url) + cc = self.parse_cache_control(request.headers) + + # Bail out if the request insists on fresh data + if "no-cache" in cc: + logger.debug('Request header has "no-cache", cache bypassed') + return False + + if "max-age" in cc and cc["max-age"] == 0: + logger.debug('Request header has "max_age" as 0, cache bypassed') + return False + + # Request allows serving from the cache, let's see if we find something + cache_data = self.cache.get(cache_url) + if cache_data is None: + logger.debug("No cache entry available") + return False + + # Check whether it can be deserialized + resp = self.serializer.loads(request, cache_data) + if not resp: + logger.warning("Cache entry deserialization failed, entry ignored") + return False + + # If we have a cached 301, return it immediately. We don't + # need to test our response for other headers b/c it is + # intrinsically "cacheable" as it is Permanent. + # See: + # https://tools.ietf.org/html/rfc7231#section-6.4.2 + # + # Client can try to refresh the value by repeating the request + # with cache busting headers as usual (ie no-cache). + if resp.status == 301: + msg = ( + 'Returning cached "301 Moved Permanently" response ' + "(ignoring date and etag information)" + ) + logger.debug(msg) + return resp + + headers = CaseInsensitiveDict(resp.headers) + if not headers or "date" not in headers: + if "etag" not in headers: + # Without date or etag, the cached response can never be used + # and should be deleted. + logger.debug("Purging cached response: no date or etag") + self.cache.delete(cache_url) + logger.debug("Ignoring cached response: no date") + return False + + now = time.time() + date = calendar.timegm(parsedate_tz(headers["date"])) + current_age = max(0, now - date) + logger.debug("Current age based on date: %i", current_age) + + # TODO: There is an assumption that the result will be a + # urllib3 response object. This may not be best since we + # could probably avoid instantiating or constructing the + # response until we know we need it. + resp_cc = self.parse_cache_control(headers) + + # determine freshness + freshness_lifetime = 0 + + # Check the max-age pragma in the cache control header + if "max-age" in resp_cc: + freshness_lifetime = resp_cc["max-age"] + logger.debug("Freshness lifetime from max-age: %i", freshness_lifetime) + + # If there isn't a max-age, check for an expires header + elif "expires" in headers: + expires = parsedate_tz(headers["expires"]) + if expires is not None: + expire_time = calendar.timegm(expires) - date + freshness_lifetime = max(0, expire_time) + logger.debug("Freshness lifetime from expires: %i", freshness_lifetime) + + # Determine if we are setting freshness limit in the + # request. Note, this overrides what was in the response. + if "max-age" in cc: + freshness_lifetime = cc["max-age"] + logger.debug( + "Freshness lifetime from request max-age: %i", freshness_lifetime + ) + + if "min-fresh" in cc: + min_fresh = cc["min-fresh"] + # adjust our current age by our min fresh + current_age += min_fresh + logger.debug("Adjusted current age from min-fresh: %i", current_age) + + # Return entry if it is fresh enough + if freshness_lifetime > current_age: + logger.debug('The response is "fresh", returning cached response') + logger.debug("%i > %i", freshness_lifetime, current_age) + return resp + + # we're not fresh. If we don't have an Etag, clear it out + if "etag" not in headers: + logger.debug('The cached response is "stale" with no etag, purging') + self.cache.delete(cache_url) + + # return the original handler + return False + + def conditional_headers(self, request): + cache_url = self.cache_url(request.url) + resp = self.serializer.loads(request, self.cache.get(cache_url)) + new_headers = {} + + if resp: + headers = CaseInsensitiveDict(resp.headers) + + if "etag" in headers: + new_headers["If-None-Match"] = headers["ETag"] + + if "last-modified" in headers: + new_headers["If-Modified-Since"] = headers["Last-Modified"] + + return new_headers + + def cache_response(self, request, response, body=None, status_codes=None): + """ + Algorithm for caching requests. + + This assumes a requests Response object. + """ + # From httplib2: Don't cache 206's since we aren't going to + # handle byte range requests + cacheable_status_codes = status_codes or self.cacheable_status_codes + if response.status not in cacheable_status_codes: + logger.debug( + "Status code %s not in %s", response.status, cacheable_status_codes + ) + return + + response_headers = CaseInsensitiveDict(response.headers) + + # If we've been given a body, our response has a Content-Length, that + # Content-Length is valid then we can check to see if the body we've + # been given matches the expected size, and if it doesn't we'll just + # skip trying to cache it. + if ( + body is not None + and "content-length" in response_headers + and response_headers["content-length"].isdigit() + and int(response_headers["content-length"]) != len(body) + ): + return + + cc_req = self.parse_cache_control(request.headers) + cc = self.parse_cache_control(response_headers) + + cache_url = self.cache_url(request.url) + logger.debug('Updating cache with response from "%s"', cache_url) + + # Delete it from the cache if we happen to have it stored there + no_store = False + if "no-store" in cc: + no_store = True + logger.debug('Response header has "no-store"') + if "no-store" in cc_req: + no_store = True + logger.debug('Request header has "no-store"') + if no_store and self.cache.get(cache_url): + logger.debug('Purging existing cache entry to honor "no-store"') + self.cache.delete(cache_url) + if no_store: + return + + # If we've been given an etag, then keep the response + if self.cache_etags and "etag" in response_headers: + logger.debug("Caching due to etag") + self.cache.set( + cache_url, self.serializer.dumps(request, response, body=body) + ) + + # Add to the cache any 301s. We do this before looking that + # the Date headers. + elif response.status == 301: + logger.debug("Caching permanant redirect") + self.cache.set(cache_url, self.serializer.dumps(request, response)) + + # Add to the cache if the response headers demand it. If there + # is no date header then we can't do anything about expiring + # the cache. + elif "date" in response_headers: + # cache when there is a max-age > 0 + if "max-age" in cc and cc["max-age"] > 0: + logger.debug("Caching b/c date exists and max-age > 0") + self.cache.set( + cache_url, self.serializer.dumps(request, response, body=body) + ) + + # If the request can expire, it means we should cache it + # in the meantime. + elif "expires" in response_headers: + if response_headers["expires"]: + logger.debug("Caching b/c of expires header") + self.cache.set( + cache_url, self.serializer.dumps(request, response, body=body) + ) + + def update_cached_response(self, request, response): + """On a 304 we will get a new set of headers that we want to + update our cached value with, assuming we have one. + + This should only ever be called when we've sent an ETag and + gotten a 304 as the response. + """ + cache_url = self.cache_url(request.url) + + cached_response = self.serializer.loads(request, self.cache.get(cache_url)) + + if not cached_response: + # we didn't have a cached response + return response + + # Lets update our headers with the headers from the new request: + # http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-26#section-4.1 + # + # The server isn't supposed to send headers that would make + # the cached body invalid. But... just in case, we'll be sure + # to strip out ones we know that might be problmatic due to + # typical assumptions. + excluded_headers = ["content-length"] + + cached_response.headers.update( + dict( + (k, v) + for k, v in response.headers.items() + if k.lower() not in excluded_headers + ) + ) + + # we want a 200 b/c we have content via the cache + cached_response.status = 200 + + # update our cache + self.cache.set(cache_url, self.serializer.dumps(request, cached_response)) + + return cached_response diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/filewrapper.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/filewrapper.py new file mode 100644 index 0000000..30ed4c5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/filewrapper.py @@ -0,0 +1,80 @@ +from io import BytesIO + + +class CallbackFileWrapper(object): + """ + Small wrapper around a fp object which will tee everything read into a + buffer, and when that file is closed it will execute a callback with the + contents of that buffer. + + All attributes are proxied to the underlying file object. + + This class uses members with a double underscore (__) leading prefix so as + not to accidentally shadow an attribute. + """ + + def __init__(self, fp, callback): + self.__buf = BytesIO() + self.__fp = fp + self.__callback = callback + + def __getattr__(self, name): + # The vaguaries of garbage collection means that self.__fp is + # not always set. By using __getattribute__ and the private + # name[0] allows looking up the attribute value and raising an + # AttributeError when it doesn't exist. This stop thigns from + # infinitely recursing calls to getattr in the case where + # self.__fp hasn't been set. + # + # [0] https://docs.python.org/2/reference/expressions.html#atom-identifiers + fp = self.__getattribute__("_CallbackFileWrapper__fp") + return getattr(fp, name) + + def __is_fp_closed(self): + try: + return self.__fp.fp is None + + except AttributeError: + pass + + try: + return self.__fp.closed + + except AttributeError: + pass + + # We just don't cache it then. + # TODO: Add some logging here... + return False + + def _close(self): + if self.__callback: + self.__callback(self.__buf.getvalue()) + + # We assign this to None here, because otherwise we can get into + # really tricky problems where the CPython interpreter dead locks + # because the callback is holding a reference to something which + # has a __del__ method. Setting this to None breaks the cycle + # and allows the garbage collector to do it's thing normally. + self.__callback = None + + def read(self, amt=None): + data = self.__fp.read(amt) + self.__buf.write(data) + if self.__is_fp_closed(): + self._close() + + return data + + def _safe_read(self, amt): + data = self.__fp._safe_read(amt) + if amt == 2 and data == b"\r\n": + # urllib executes this read to toss the CRLF at the end + # of the chunk. + return data + + self.__buf.write(data) + if self.__is_fp_closed(): + self._close() + + return data diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/heuristics.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/heuristics.py new file mode 100644 index 0000000..6c0e979 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/heuristics.py @@ -0,0 +1,135 @@ +import calendar +import time + +from email.utils import formatdate, parsedate, parsedate_tz + +from datetime import datetime, timedelta + +TIME_FMT = "%a, %d %b %Y %H:%M:%S GMT" + + +def expire_after(delta, date=None): + date = date or datetime.utcnow() + return date + delta + + +def datetime_to_header(dt): + return formatdate(calendar.timegm(dt.timetuple())) + + +class BaseHeuristic(object): + + def warning(self, response): + """ + Return a valid 1xx warning header value describing the cache + adjustments. + + The response is provided too allow warnings like 113 + http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need + to explicitly say response is over 24 hours old. + """ + return '110 - "Response is Stale"' + + def update_headers(self, response): + """Update the response headers with any new headers. + + NOTE: This SHOULD always include some Warning header to + signify that the response was cached by the client, not + by way of the provided headers. + """ + return {} + + def apply(self, response): + updated_headers = self.update_headers(response) + + if updated_headers: + response.headers.update(updated_headers) + warning_header_value = self.warning(response) + if warning_header_value is not None: + response.headers.update({"Warning": warning_header_value}) + + return response + + +class OneDayCache(BaseHeuristic): + """ + Cache the response by providing an expires 1 day in the + future. + """ + + def update_headers(self, response): + headers = {} + + if "expires" not in response.headers: + date = parsedate(response.headers["date"]) + expires = expire_after(timedelta(days=1), date=datetime(*date[:6])) + headers["expires"] = datetime_to_header(expires) + headers["cache-control"] = "public" + return headers + + +class ExpiresAfter(BaseHeuristic): + """ + Cache **all** requests for a defined time period. + """ + + def __init__(self, **kw): + self.delta = timedelta(**kw) + + def update_headers(self, response): + expires = expire_after(self.delta) + return {"expires": datetime_to_header(expires), "cache-control": "public"} + + def warning(self, response): + tmpl = "110 - Automatically cached for %s. Response might be stale" + return tmpl % self.delta + + +class LastModified(BaseHeuristic): + """ + If there is no Expires header already, fall back on Last-Modified + using the heuristic from + http://tools.ietf.org/html/rfc7234#section-4.2.2 + to calculate a reasonable value. + + Firefox also does something like this per + https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ + http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397 + Unlike mozilla we limit this to 24-hr. + """ + cacheable_by_default_statuses = { + 200, 203, 204, 206, 300, 301, 404, 405, 410, 414, 501 + } + + def update_headers(self, resp): + headers = resp.headers + + if "expires" in headers: + return {} + + if "cache-control" in headers and headers["cache-control"] != "public": + return {} + + if resp.status not in self.cacheable_by_default_statuses: + return {} + + if "date" not in headers or "last-modified" not in headers: + return {} + + date = calendar.timegm(parsedate_tz(headers["date"])) + last_modified = parsedate(headers["last-modified"]) + if date is None or last_modified is None: + return {} + + now = time.time() + current_age = max(0, now - date) + delta = date - calendar.timegm(last_modified) + freshness_lifetime = max(0, min(delta / 10, 24 * 3600)) + if freshness_lifetime <= current_age: + return {} + + expires = date + freshness_lifetime + return {"expires": time.strftime(TIME_FMT, time.gmtime(expires))} + + def warning(self, resp): + return None diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/serialize.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/serialize.py new file mode 100644 index 0000000..ec43ff2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/serialize.py @@ -0,0 +1,186 @@ +import base64 +import io +import json +import zlib + +from pip._vendor import msgpack +from pip._vendor.requests.structures import CaseInsensitiveDict + +from .compat import HTTPResponse, pickle, text_type + + +def _b64_decode_bytes(b): + return base64.b64decode(b.encode("ascii")) + + +def _b64_decode_str(s): + return _b64_decode_bytes(s).decode("utf8") + + +class Serializer(object): + + def dumps(self, request, response, body=None): + response_headers = CaseInsensitiveDict(response.headers) + + if body is None: + body = response.read(decode_content=False) + + # NOTE: 99% sure this is dead code. I'm only leaving it + # here b/c I don't have a test yet to prove + # it. Basically, before using + # `cachecontrol.filewrapper.CallbackFileWrapper`, + # this made an effort to reset the file handle. The + # `CallbackFileWrapper` short circuits this code by + # setting the body as the content is consumed, the + # result being a `body` argument is *always* passed + # into cache_response, and in turn, + # `Serializer.dump`. + response._fp = io.BytesIO(body) + + # NOTE: This is all a bit weird, but it's really important that on + # Python 2.x these objects are unicode and not str, even when + # they contain only ascii. The problem here is that msgpack + # understands the difference between unicode and bytes and we + # have it set to differentiate between them, however Python 2 + # doesn't know the difference. Forcing these to unicode will be + # enough to have msgpack know the difference. + data = { + u"response": { + u"body": body, + u"headers": dict( + (text_type(k), text_type(v)) for k, v in response.headers.items() + ), + u"status": response.status, + u"version": response.version, + u"reason": text_type(response.reason), + u"strict": response.strict, + u"decode_content": response.decode_content, + } + } + + # Construct our vary headers + data[u"vary"] = {} + if u"vary" in response_headers: + varied_headers = response_headers[u"vary"].split(",") + for header in varied_headers: + header = text_type(header).strip() + header_value = request.headers.get(header, None) + if header_value is not None: + header_value = text_type(header_value) + data[u"vary"][header] = header_value + + return b",".join([b"cc=4", msgpack.dumps(data, use_bin_type=True)]) + + def loads(self, request, data): + # Short circuit if we've been given an empty set of data + if not data: + return + + # Determine what version of the serializer the data was serialized + # with + try: + ver, data = data.split(b",", 1) + except ValueError: + ver = b"cc=0" + + # Make sure that our "ver" is actually a version and isn't a false + # positive from a , being in the data stream. + if ver[:3] != b"cc=": + data = ver + data + ver = b"cc=0" + + # Get the version number out of the cc=N + ver = ver.split(b"=", 1)[-1].decode("ascii") + + # Dispatch to the actual load method for the given version + try: + return getattr(self, "_loads_v{}".format(ver))(request, data) + + except AttributeError: + # This is a version we don't have a loads function for, so we'll + # just treat it as a miss and return None + return + + def prepare_response(self, request, cached): + """Verify our vary headers match and construct a real urllib3 + HTTPResponse object. + """ + # Special case the '*' Vary value as it means we cannot actually + # determine if the cached response is suitable for this request. + if "*" in cached.get("vary", {}): + return + + # Ensure that the Vary headers for the cached response match our + # request + for header, value in cached.get("vary", {}).items(): + if request.headers.get(header, None) != value: + return + + body_raw = cached["response"].pop("body") + + headers = CaseInsensitiveDict(data=cached["response"]["headers"]) + if headers.get("transfer-encoding", "") == "chunked": + headers.pop("transfer-encoding") + + cached["response"]["headers"] = headers + + try: + body = io.BytesIO(body_raw) + except TypeError: + # This can happen if cachecontrol serialized to v1 format (pickle) + # using Python 2. A Python 2 str(byte string) will be unpickled as + # a Python 3 str (unicode string), which will cause the above to + # fail with: + # + # TypeError: 'str' does not support the buffer interface + body = io.BytesIO(body_raw.encode("utf8")) + + return HTTPResponse(body=body, preload_content=False, **cached["response"]) + + def _loads_v0(self, request, data): + # The original legacy cache data. This doesn't contain enough + # information to construct everything we need, so we'll treat this as + # a miss. + return + + def _loads_v1(self, request, data): + try: + cached = pickle.loads(data) + except ValueError: + return + + return self.prepare_response(request, cached) + + def _loads_v2(self, request, data): + try: + cached = json.loads(zlib.decompress(data).decode("utf8")) + except (ValueError, zlib.error): + return + + # We need to decode the items that we've base64 encoded + cached["response"]["body"] = _b64_decode_bytes(cached["response"]["body"]) + cached["response"]["headers"] = dict( + (_b64_decode_str(k), _b64_decode_str(v)) + for k, v in cached["response"]["headers"].items() + ) + cached["response"]["reason"] = _b64_decode_str(cached["response"]["reason"]) + cached["vary"] = dict( + (_b64_decode_str(k), _b64_decode_str(v) if v is not None else v) + for k, v in cached["vary"].items() + ) + + return self.prepare_response(request, cached) + + def _loads_v3(self, request, data): + # Due to Python 2 encoding issues, it's impossible to know for sure + # exactly how to load v3 entries, thus we'll treat these as a miss so + # that they get rewritten out as v4 entries. + return + + def _loads_v4(self, request, data): + try: + cached = msgpack.loads(data, encoding="utf-8") + except ValueError: + return + + return self.prepare_response(request, cached) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/wrapper.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/wrapper.py new file mode 100644 index 0000000..265bfc8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/cachecontrol/wrapper.py @@ -0,0 +1,29 @@ +from .adapter import CacheControlAdapter +from .cache import DictCache + + +def CacheControl( + sess, + cache=None, + cache_etags=True, + serializer=None, + heuristic=None, + controller_class=None, + adapter_class=None, + cacheable_methods=None, +): + + cache = cache or DictCache() + adapter_class = adapter_class or CacheControlAdapter + adapter = adapter_class( + cache, + cache_etags=cache_etags, + serializer=serializer, + heuristic=heuristic, + controller_class=controller_class, + cacheable_methods=cacheable_methods, + ) + sess.mount("http://", adapter) + sess.mount("https://", adapter) + + return sess diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__init__.py new file mode 100644 index 0000000..ef71f3a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__init__.py @@ -0,0 +1,3 @@ +from .core import where + +__version__ = "2018.11.29" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__main__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__main__.py new file mode 100644 index 0000000..ae2aff5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/__main__.py @@ -0,0 +1,2 @@ +from pip._vendor.certifi import where +print(where()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/cacert.pem b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/cacert.pem new file mode 100644 index 0000000..db68797 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/certifi/cacert.pem @@ -0,0 +1,4512 @@ + +# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Label: "GlobalSign Root CA" +# Serial: 4835703278459707669005204 +# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a +# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c +# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99 +-----BEGIN CERTIFICATE----- +MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG +A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv +b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw +MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i +YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT +aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ +jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp +xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp +1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG +snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ +U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8 +9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E +BTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0B +AQUFAAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOz 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OU=VeriSign Trust Network/(c) 1999 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G3 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 1999 VeriSign, Inc. - For authorized use only +# Label: "Verisign Class 3 Public Primary Certification Authority - G3" +# Serial: 206684696279472310254277870180966723415 +# MD5 Fingerprint: cd:68:b6:a7:c7:c4:ce:75:e0:1d:4f:57:44:61:92:09 +# SHA1 Fingerprint: 13:2d:0d:45:53:4b:69:97:cd:b2:d5:c3:39:e2:55:76:60:9b:5c:c6 +# SHA256 Fingerprint: eb:04:cf:5e:b1:f3:9a:fa:76:2f:2b:b1:20:f2:96:cb:a5:20:c1:b9:7d:b1:58:95:65:b8:1c:b9:a1:7b:72:44 +-----BEGIN CERTIFICATE----- +MIIEGjCCAwICEQCbfgZJoz5iudXukEhxKe9XMA0GCSqGSIb3DQEBBQUAMIHKMQsw +CQYDVQQGEwJVUzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZl +cmlTaWduIFRydXN0IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAxOTk5IFZlcmlTaWdu +LCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxRTBDBgNVBAMTPFZlcmlT +aWduIENsYXNzIDMgUHVibGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp +dHkgLSBHMzAeFw05OTEwMDEwMDAwMDBaFw0zNjA3MTYyMzU5NTlaMIHKMQswCQYD +VQQGEwJVUzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZlcmlT +aWduIFRydXN0IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAxOTk5IFZlcmlTaWduLCBJ +bmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxRTBDBgNVBAMTPFZlcmlTaWdu +IENsYXNzIDMgUHVibGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkg +LSBHMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMu6nFL8eB8aHm8b +N3O9+MlrlBIwT/A2R/XQkQr1F8ilYcEWQE37imGQ5XYgwREGfassbqb1EUGO+i2t +KmFZpGcmTNDovFJbcCAEWNF6yaRpvIMXZK0Fi7zQWM6NjPXr8EJJC52XJ2cybuGu +kxUccLwgTS8Y3pKI6GyFVxEa6X7jJhFUokWWVYPKMIno3Nij7SqAP395ZVc+FSBm +CC+Vk7+qRy+oRpfwEuL+wgorUeZ25rdGt+INpsyow0xZVYnm6FNcHOqd8GIWC6fJ +Xwzw3sJ2zq/3avL6QaaiMxTJ5Xpj055iN9WFZZ4O5lMkdBteHRJTW8cs54NJOxWu +imi5V5cCAwEAATANBgkqhkiG9w0BAQUFAAOCAQEAERSWwauSCPc/L8my/uRan2Te +2yFPhpk0djZX3dAVL8WtfxUfN2JzPtTnX84XA9s1+ivbrmAJXx5fj267Cz3qWhMe +DGBvtcC1IyIuBwvLqXTLR7sdwdela8wv0kL9Sd2nic9TutoAWii/gt/4uhMdUIaC +/Y4wjylGsB49Ndo4YhYYSq3mtlFs3q9i6wHQHiT+eo8SGhJouPtmmRQURVyu565p +F4ErWjfJXir0xuKhXFSbplQAz/DxwceYMBo7Nhbbo27q/a2ywtrvAkcTisDxszGt +TxzhT5yvDwyd93gN2PQ1VoDat20Xj50egWTh/sVFuq1ruQp6Tk9LhO5L8X3dEQ== +-----END CERTIFICATE----- + +# Issuer: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Label: "Entrust.net Premium 2048 Secure Server CA" +# Serial: 946069240 +# MD5 Fingerprint: ee:29:31:bc:32:7e:9a:e6:e8:b5:f7:51:b4:34:71:90 +# SHA1 Fingerprint: 50:30:06:09:1d:97:d4:f5:ae:39:f7:cb:e7:92:7d:7d:65:2d:34:31 +# SHA256 Fingerprint: 6d:c4:71:72:e0:1c:bc:b0:bf:62:58:0d:89:5f:e2:b8:ac:9a:d4:f8:73:80:1e:0c:10:b9:c8:37:d2:1e:b1:77 +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIEOGPe+DANBgkqhkiG9w0BAQUFADCBtDEUMBIGA1UEChML +RW50cnVzdC5uZXQxQDA+BgNVBAsUN3d3dy5lbnRydXN0Lm5ldC9DUFNfMjA0OCBp +bmNvcnAuIGJ5IHJlZi4gKGxpbWl0cyBsaWFiLikxJTAjBgNVBAsTHChjKSAxOTk5 +IEVudHJ1c3QubmV0IExpbWl0ZWQxMzAxBgNVBAMTKkVudHJ1c3QubmV0IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5ICgyMDQ4KTAeFw05OTEyMjQxNzUwNTFaFw0yOTA3 +MjQxNDE1MTJaMIG0MRQwEgYDVQQKEwtFbnRydXN0Lm5ldDFAMD4GA1UECxQ3d3d3 +LmVudHJ1c3QubmV0L0NQU18yMDQ4IGluY29ycC4gYnkgcmVmLiAobGltaXRzIGxp +YWIuKTElMCMGA1UECxMcKGMpIDE5OTkgRW50cnVzdC5uZXQgTGltaXRlZDEzMDEG 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CyberTrust Root O=Baltimore OU=CyberTrust +# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Label: "Baltimore CyberTrust Root" +# Serial: 33554617 +# MD5 Fingerprint: ac:b6:94:a5:9c:17:e0:d7:91:52:9b:b1:97:06:a6:e4 +# SHA1 Fingerprint: d4:de:20:d0:5e:66:fc:53:fe:1a:50:88:2c:78:db:28:52:ca:e4:74 +# SHA256 Fingerprint: 16:af:57:a9:f6:76:b0:ab:12:60:95:aa:5e:ba:de:f2:2a:b3:11:19:d6:44:ac:95:cd:4b:93:db:f3:f2:6a:eb +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ +RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD +VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX +DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y +ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy +VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr +mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr +IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK 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OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. 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Label: "QuoVadis Root CA" +# Serial: 985026699 +# MD5 Fingerprint: 27:de:36:fe:72:b7:00:03:00:9d:f4:f0:1e:6c:04:24 +# SHA1 Fingerprint: de:3f:40:bd:50:93:d3:9b:6c:60:f6:da:bc:07:62:01:00:89:76:c9 +# SHA256 Fingerprint: a4:5e:de:3b:bb:f0:9c:8a:e1:5c:72:ef:c0:72:68:d6:93:a2:1c:99:6f:d5:1e:67:ca:07:94:60:fd:6d:88:73 +-----BEGIN CERTIFICATE----- +MIIF0DCCBLigAwIBAgIEOrZQizANBgkqhkiG9w0BAQUFADB/MQswCQYDVQQGEwJC +TTEZMBcGA1UEChMQUXVvVmFkaXMgTGltaXRlZDElMCMGA1UECxMcUm9vdCBDZXJ0 +aWZpY2F0aW9uIEF1dGhvcml0eTEuMCwGA1UEAxMlUXVvVmFkaXMgUm9vdCBDZXJ0 +aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wMTAzMTkxODMzMzNaFw0yMTAzMTcxODMz +MzNaMH8xCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBMaW1pdGVkMSUw +IwYDVQQLExxSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MS4wLAYDVQQDEyVR +dW9WYWRpcyBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG +9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2G1lVO6V/z68mcLOhrfEYBklbTRvM16z/Yp +li4kVEAkOPcahdxYTMukJ0KX0J+DisPkBgNbAKVRHnAEdOLB1Dqr1607BxgFjv2D 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Trust.net OU=Security Communication RootCA1 +# Label: "Security Communication Root CA" +# Serial: 0 +# MD5 Fingerprint: f1:bc:63:6a:54:e0:b5:27:f5:cd:e7:1a:e3:4d:6e:4a +# SHA1 Fingerprint: 36:b1:2b:49:f9:81:9e:d7:4c:9e:bc:38:0f:c6:56:8f:5d:ac:b2:f7 +# SHA256 Fingerprint: e7:5e:72:ed:9f:56:0e:ec:6e:b4:80:00:73:a4:3f:c3:ad:19:19:5a:39:22:82:01:78:95:97:4a:99:02:6b:6c +-----BEGIN CERTIFICATE----- +MIIDWjCCAkKgAwIBAgIBADANBgkqhkiG9w0BAQUFADBQMQswCQYDVQQGEwJKUDEY +MBYGA1UEChMPU0VDT00gVHJ1c3QubmV0MScwJQYDVQQLEx5TZWN1cml0eSBDb21t +dW5pY2F0aW9uIFJvb3RDQTEwHhcNMDMwOTMwMDQyMDQ5WhcNMjMwOTMwMDQyMDQ5 +WjBQMQswCQYDVQQGEwJKUDEYMBYGA1UEChMPU0VDT00gVHJ1c3QubmV0MScwJQYD +VQQLEx5TZWN1cml0eSBDb21tdW5pY2F0aW9uIFJvb3RDQTEwggEiMA0GCSqGSIb3 +DQEBAQUAA4IBDwAwggEKAoIBAQCzs/5/022x7xZ8V6UMbXaKL0u/ZPtM7orw8yl8 +9f/uKuDp6bpbZCKamm8sOiZpUQWZJtzVHGpxxpp9Hp3dfGzGjGdnSj74cbAZJ6kJ +DKaVv0uMDPpVmDvY6CKhS3E4eayXkmmziX7qIWgGmBSWh9JhNrxtJ1aeV+7AwFb9 +Ms+k2Y7CI9eNqPPYJayX5HA49LY6tJ07lyZDo6G8SVlyTCMwhwFY9k6+HGhWZq/N 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OU=Go Daddy Class 2 Certification Authority +# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority +# Label: "Go Daddy Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 91:de:06:25:ab:da:fd:32:17:0c:bb:25:17:2a:84:67 +# SHA1 Fingerprint: 27:96:ba:e6:3f:18:01:e2:77:26:1b:a0:d7:77:70:02:8f:20:ee:e4 +# SHA256 Fingerprint: c3:84:6b:f2:4b:9e:93:ca:64:27:4c:0e:c6:7c:1e:cc:5e:02:4f:fc:ac:d2:d7:40:19:35:0e:81:fe:54:6a:e4 +-----BEGIN CERTIFICATE----- +MIIEADCCAuigAwIBAgIBADANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEh +MB8GA1UEChMYVGhlIEdvIERhZGR5IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBE +YWRkeSBDbGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA0MDYyOTE3 +MDYyMFoXDTM0MDYyOTE3MDYyMFowYzELMAkGA1UEBhMCVVMxITAfBgNVBAoTGFRo +ZSBHbyBEYWRkeSBHcm91cCwgSW5jLjExMC8GA1UECxMoR28gRGFkZHkgQ2xhc3Mg +MiBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTCCASAwDQYJKoZIhvcNAQEBBQADggEN +ADCCAQgCggEBAN6d1+pXGEmhW+vXX0iG6r7d/+TvZxz0ZWizV3GgXne77ZtJ6XCA +PVYYYwhv2vLM0D9/AlQiVBDYsoHUwHU9S3/Hd8M+eKsaA7Ugay9qK7HFiH7Eux6w +wdhFJ2+qN1j3hybX2C32qRe3H3I2TqYXP2WYktsqbl2i/ojgC95/5Y0V4evLOtXi +EqITLdiOr18SPaAIBQi2XKVlOARFmR6jYGB0xUGlcmIbYsUfb18aQr4CUWWoriMY +avx4A6lNf4DD+qta/KFApMoZFv6yyO9ecw3ud72a9nmYvLEHZ6IVDd2gWMZEewo+ +YihfukEHU1jPEX44dMX4/7VpkI+EdOqXG68CAQOjgcAwgb0wHQYDVR0OBBYEFNLE +sNKR1EwRcbNhyz2h/t2oatTjMIGNBgNVHSMEgYUwgYKAFNLEsNKR1EwRcbNhyz2h +/t2oatTjoWekZTBjMQswCQYDVQQGEwJVUzEhMB8GA1UEChMYVGhlIEdvIERhZGR5 +IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBEYWRkeSBDbGFzcyAyIENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQAD +ggEBADJL87LKPpH8EsahB4yOd6AzBhRckB4Y9wimPQoZ+YeAEW5p5JYXMP80kWNy +OO7MHAGjHZQopDH2esRU1/blMVgDoszOYtuURXO1v0XJJLXVggKtI3lpjbi2Tc7P +TMozI+gciKqdi0FuFskg5YmezTvacPd+mSYgFFQlq25zheabIZ0KbIIOqPjCDPoQ +HmyW74cNxA9hi63ugyuV+I6ShHI56yDqg+2DzZduCLzrTia2cyvk0/ZM/iZx4mER +dEr/VxqHD3VILs9RaRegAhJhldXRQLIQTO7ErBBDpqWeCtWVYpoNz4iCxTIM5Cuf +ReYNnyicsbkqWletNw+vHX/bvZ8= +-----END CERTIFICATE----- + +# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Label: "Starfield Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 32:4a:4b:bb:c8:63:69:9b:be:74:9a:c6:dd:1d:46:24 +# SHA1 Fingerprint: ad:7e:1c:28:b0:64:ef:8f:60:03:40:20:14:c3:d0:e3:37:0e:b5:8a +# SHA256 Fingerprint: 14:65:fa:20:53:97:b8:76:fa:a6:f0:a9:95:8e:55:90:e4:0f:cc:7f:aa:4f:b7:c2:c8:67:75:21:fb:5f:b6:58 +-----BEGIN CERTIFICATE----- +MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl +MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp +U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw +NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE +ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp +ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3 +DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf +8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN ++lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0 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GRCA" +# Serial: 42023070807708724159991140556527066870 +# MD5 Fingerprint: 37:85:44:53:32:45:1f:20:f0:f3:95:e1:25:c4:43:4e +# SHA1 Fingerprint: f4:8b:11:bf:de:ab:be:94:54:20:71:e6:41:de:6b:be:88:2b:40:b9 +# SHA256 Fingerprint: 76:00:29:5e:ef:e8:5b:9e:1f:d6:24:db:76:06:2a:aa:ae:59:81:8a:54:d2:77:4c:d4:c0:b2:c0:11:31:e1:b3 +-----BEGIN CERTIFICATE----- +MIIFcjCCA1qgAwIBAgIQH51ZWtcvwgZEpYAIaeNe9jANBgkqhkiG9w0BAQUFADA/ +MQswCQYDVQQGEwJUVzEwMC4GA1UECgwnR292ZXJubWVudCBSb290IENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5MB4XDTAyMTIwNTEzMjMzM1oXDTMyMTIwNTEzMjMzM1ow +PzELMAkGA1UEBhMCVFcxMDAuBgNVBAoMJ0dvdmVybm1lbnQgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB +AJoluOzMonWoe/fOW1mKydGGEghU7Jzy50b2iPN86aXfTEc2pBsBHH8eV4qNw8XR +IePaJD9IK/ufLqGU5ywck9G/GwGHU5nOp/UKIXZ3/6m3xnOUT0b3EEk3+qhZSV1q +gQdW8or5BtD3cCJNtLdBuTK4sfCxw5w/cP1T3YGq2GN49thTbqGsaoQkclSGxtKy +yhwOeYHWtXBiCAEuTk8O1RGvqa/lmr/czIdtJuTJV6L7lvnM4T9TjGxMfptTCAts 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O=Digital Signature Trust Co. +# Subject: CN=DST Root CA X3 O=Digital Signature Trust Co. +# Label: "DST Root CA X3" +# Serial: 91299735575339953335919266965803778155 +# MD5 Fingerprint: 41:03:52:dc:0f:f7:50:1b:16:f0:02:8e:ba:6f:45:c5 +# SHA1 Fingerprint: da:c9:02:4f:54:d8:f6:df:94:93:5f:b1:73:26:38:ca:6a:d7:7c:13 +# SHA256 Fingerprint: 06:87:26:03:31:a7:24:03:d9:09:f1:05:e6:9b:cf:0d:32:e1:bd:24:93:ff:c6:d9:20:6d:11:bc:d6:77:07:39 +-----BEGIN CERTIFICATE----- +MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ +MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT +DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow +PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD +Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB +AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O +rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq +OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b 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Fingerprint: 62:dd:0b:e9:b9:f5:0a:16:3e:a0:f8:e7:5c:05:3b:1e:ca:57:ea:55:c8:68:8f:64:7c:68:81:f2:c8:35:7b:95 +-----BEGIN CERTIFICATE----- +MIIFujCCA6KgAwIBAgIJALtAHEP1Xk+wMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV +BAYTAkNIMRUwEwYDVQQKEwxTd2lzc1NpZ24gQUcxHzAdBgNVBAMTFlN3aXNzU2ln +biBHb2xkIENBIC0gRzIwHhcNMDYxMDI1MDgzMDM1WhcNMzYxMDI1MDgzMDM1WjBF +MQswCQYDVQQGEwJDSDEVMBMGA1UEChMMU3dpc3NTaWduIEFHMR8wHQYDVQQDExZT +d2lzc1NpZ24gR29sZCBDQSAtIEcyMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC +CgKCAgEAr+TufoskDhJuqVAtFkQ7kpJcyrhdhJJCEyq8ZVeCQD5XJM1QiyUqt2/8 +76LQwB8CJEoTlo8jE+YoWACjR8cGp4QjK7u9lit/VcyLwVcfDmJlD909Vopz2q5+ +bbqBHH5CjCA12UNNhPqE21Is8w4ndwtrvxEvcnifLtg+5hg3Wipy+dpikJKVyh+c +6bM8K8vzARO/Ws/BtQpgvd21mWRTuKCWs2/iJneRjOBiEAKfNA+k1ZIzUd6+jbqE +emA8atufK+ze3gE/bk3lUIbLtK/tREDFylqM2tIrfKjuvqblCqoOpd8FUrdVxyJd +MmqXl2MT28nbeTZ7hTpKxVKJ+STnnXepgv9VHKVxaSvRAiTysybUa9oEVeXBCsdt +MDeQKuSeFDNeFhdVxVu1yzSJkvGdJo+hB9TGsnhQ2wwMC3wLjEHXuendjIj3o02y +MszYF9rNt85mndT9Xv+9lz4pded+p2JYryU0pUHHPbwNUMoDAw8IWh+Vc3hiv69y 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Serial: 32798226551256963324313806436981982369 +# MD5 Fingerprint: 02:26:c3:01:5e:08:30:37:43:a9:d0:7d:cf:37:e6:bf +# SHA1 Fingerprint: 32:3c:11:8e:1b:f7:b8:b6:52:54:e2:e2:10:0d:d6:02:90:37:f0:96 +# SHA256 Fingerprint: 37:d5:10:06:c5:12:ea:ab:62:64:21:f1:ec:8c:92:01:3f:c5:f8:2a:e9:8e:e5:33:eb:46:19:b8:de:b4:d0:6c +-----BEGIN CERTIFICATE----- +MIIDfDCCAmSgAwIBAgIQGKy1av1pthU6Y2yv2vrEoTANBgkqhkiG9w0BAQUFADBY +MQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjExMC8GA1UEAxMo +R2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wNjEx +MjcwMDAwMDBaFw0zNjA3MTYyMzU5NTlaMFgxCzAJBgNVBAYTAlVTMRYwFAYDVQQK +Ew1HZW9UcnVzdCBJbmMuMTEwLwYDVQQDEyhHZW9UcnVzdCBQcmltYXJ5IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC +AQEAvrgVe//UfH1nrYNke8hCUy3f9oQIIGHWAVlqnEQRr+92/ZV+zmEwu3qDXwK9 +AWbK7hWNb6EwnL2hhZ6UOvNWiAAxz9juapYC2e0DjPt1befquFUWBRaa9OBesYjA +ZIVcFU2Ix7e64HXprQU9nceJSOC7KMgD4TCTZF5SwFlwIjVXiIrxlQqD17wxcwE0 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OU=Certification Services Division/(c) 2006 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA O=thawte, Inc. OU=Certification Services Division/(c) 2006 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA" +# Serial: 69529181992039203566298953787712940909 +# MD5 Fingerprint: 8c:ca:dc:0b:22:ce:f5:be:72:ac:41:1a:11:a8:d8:12 +# SHA1 Fingerprint: 91:c6:d6:ee:3e:8a:c8:63:84:e5:48:c2:99:29:5c:75:6c:81:7b:81 +# SHA256 Fingerprint: 8d:72:2f:81:a9:c1:13:c0:79:1d:f1:36:a2:96:6d:b2:6c:95:0a:97:1d:b4:6b:41:99:f4:ea:54:b7:8b:fb:9f +-----BEGIN CERTIFICATE----- +MIIEIDCCAwigAwIBAgIQNE7VVyDV7exJ9C/ON9srbTANBgkqhkiG9w0BAQUFADCB +qTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMf +Q2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIw +MDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxHzAdBgNV +BAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwHhcNMDYxMTE3MDAwMDAwWhcNMzYw +NzE2MjM1OTU5WjCBqTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5j +LjEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYG +A1UECxMvKGMpIDIwMDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNl +IG9ubHkxHzAdBgNVBAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwggEiMA0GCSqG +SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCsoPD7gFnUnMekz52hWXMJEEUMDSxuaPFs +W0hoSVk3/AszGcJ3f8wQLZU0HObrTQmnHNK4yZc2AreJ1CRfBsDMRJSUjQJib+ta +3RGNKJpchJAQeg29dGYvajig4tVUROsdB58Hum/u6f1OCyn1PoSgAfGcq/gcfomk +6KHYcWUNo1F77rzSImANuVud37r8UVsLr5iy6S7pBOhih94ryNdOwUxkHt3Ph1i6 +Sk/KaAcdHJ1KxtUvkcx8cXIcxcBn6zL9yZJclNqFwJu/U30rCfSMnZEfl2pSy94J +NqR32HuHUETVPm4pafs5SSYeCaWAe0At6+gnhcn+Yf1+5nyXHdWdAgMBAAGjQjBA +MA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMB0GA1UdDgQWBBR7W0XP +r87Lev0xkhpqtvNG61dIUDANBgkqhkiG9w0BAQUFAAOCAQEAeRHAS7ORtvzw6WfU +DW5FvlXok9LOAz/t2iWwHVfLHjp2oEzsUHboZHIMpKnxuIvW1oeEuzLlQRHAd9mz +YJ3rG9XRbkREqaYB7FViHXe4XI5ISXycO1cRrK1zN44veFyQaEfZYGDm/Ac9IiAX +xPcW6cTYcvnIc3zfFi8VqT79aie2oetaupgf1eNNZAqdE8hhuvU5HIe6uL17In/2 +/qxAeeWsEG89jxt5dovEN7MhGITlNgDrYyCZuen+MwS7QcjBAvlEYyCegc5C09Y/ +LHbTY5xZ3Y+m4Q6gLkH3LpVHz7z9M/P2C2F+fpErgUfCJzDupxBdN49cOSvkBPB7 +jVaMaA== +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G5 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2006 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G5 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2006 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Class 3 Public Primary Certification Authority - G5" +# Serial: 33037644167568058970164719475676101450 +# MD5 Fingerprint: cb:17:e4:31:67:3e:e2:09:fe:45:57:93:f3:0a:fa:1c +# SHA1 Fingerprint: 4e:b6:d5:78:49:9b:1c:cf:5f:58:1e:ad:56:be:3d:9b:67:44:a5:e5 +# SHA256 Fingerprint: 9a:cf:ab:7e:43:c8:d8:80:d0:6b:26:2a:94:de:ee:e4:b4:65:99:89:c3:d0:ca:f1:9b:af:64:05:e4:1a:b7:df +-----BEGIN CERTIFICATE----- +MIIE0zCCA7ugAwIBAgIQGNrRniZ96LtKIVjNzGs7SjANBgkqhkiG9w0BAQUFADCB +yjELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL +ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNiBWZXJp +U2lnbiwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxW +ZXJpU2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0 +aG9yaXR5IC0gRzUwHhcNMDYxMTA4MDAwMDAwWhcNMzYwNzE2MjM1OTU5WjCByjEL +MAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZW 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CERTIFICATE----- + +# Issuer: CN=COMODO Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO Certification Authority O=COMODO CA Limited +# Label: "COMODO Certification Authority" +# Serial: 104350513648249232941998508985834464573 +# MD5 Fingerprint: 5c:48:dc:f7:42:72:ec:56:94:6d:1c:cc:71:35:80:75 +# SHA1 Fingerprint: 66:31:bf:9e:f7:4f:9e:b6:c9:d5:a6:0c:ba:6a:be:d1:f7:bd:ef:7b +# SHA256 Fingerprint: 0c:2c:d6:3d:f7:80:6f:a3:99:ed:e8:09:11:6b:57:5b:f8:79:89:f0:65:18:f9:80:8c:86:05:03:17:8b:af:66 +-----BEGIN CERTIFICATE----- +MIIEHTCCAwWgAwIBAgIQToEtioJl4AsC7j41AkblPTANBgkqhkiG9w0BAQUFADCB +gTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxJzAlBgNV +BAMTHkNPTU9ETyBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wNjEyMDEwMDAw +MDBaFw0yOTEyMzEyMzU5NTlaMIGBMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3Jl +YXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01P 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OU=ePKI Root Certification Authority +# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority +# Label: "ePKI Root Certification Authority" +# Serial: 28956088682735189655030529057352760477 +# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3 +# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0 +# SHA256 Fingerprint: c0:a6:f4:dc:63:a2:4b:fd:cf:54:ef:2a:6a:08:2a:0a:72:de:35:80:3e:2f:f5:ff:52:7a:e5:d8:72:06:df:d5 +-----BEGIN CERTIFICATE----- +MIIFsDCCA5igAwIBAgIQFci9ZUdcr7iXAF7kBtK8nTANBgkqhkiG9w0BAQUFADBe +MQswCQYDVQQGEwJUVzEjMCEGA1UECgwaQ2h1bmdod2EgVGVsZWNvbSBDby4sIEx0 +ZC4xKjAoBgNVBAsMIWVQS0kgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wNDEyMjAwMjMxMjdaFw0zNDEyMjAwMjMxMjdaMF4xCzAJBgNVBAYTAlRXMSMw +IQYDVQQKDBpDaHVuZ2h3YSBUZWxlY29tIENvLiwgTHRkLjEqMCgGA1UECwwhZVBL +SSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA4SUP7o3biDN1Z82tH306Tm2d0y8U82N0ywEhajfqhFAH +SyZbCUNsIZ5qyNUD9WBpj8zwIuQf5/dqIjG3LBXy4P4AakP/h2XGtRrBp0xtInAh +ijHyl3SJCRImHJ7K2RKilTza6We/CKBk49ZCt0Xvl/T29de1ShUCWH2YWEtgvM3X +DZoTM1PRYfl61dd4s5oz9wCGzh1NlDivqOx4UXCKXBCDUSH3ET00hl7lSM2XgYI1 +TBnsZfZrxQWh7kcT1rMhJ5QQCtkkO7q+RBNGMD+XPNjX12ruOzjjK9SXDrkb5wdJ +fzcq+Xd4z1TtW0ado4AOkUPB1ltfFLqfpo0kR0BZv3I4sjZsN/+Z0V0OWQqraffA +sgRFelQArr5T9rXn4fg8ozHSqf4hUmTFpmfwdQcGlBSBVcYn5AGPF8Fqcde+S/uU +WH1+ETOxQvdibBjWzwloPn9s9h6PYq2lY9sJpx8iQkEeb5mKPtf5P0B6ebClAZLS +nT0IFaUQAS2zMnaolQ2zepr7BxB4EW/hj8e6DyUadCrlHJhBmd8hh+iVBmoKs2pH +dmX2Os+PYhcZewoozRrSgx4hxyy/vv9haLdnG7t4TY3OZ+XkwY63I2binZB1NJip +NiuKmpS5nezMirH4JYlcWrYvjB9teSSnUmjDhDXiZo1jDiVN1Rmy5nk3pyKdVDEC +AwEAAaNqMGgwHQYDVR0OBBYEFB4M97Zn8uGSJglFwFU5Lnc/QkqiMAwGA1UdEwQF +MAMBAf8wOQYEZyoHAAQxMC8wLQIBADAJBgUrDgMCGgUAMAcGBWcqAwAABBRFsMLH +ClZ87lt4DJX5GFPBphzYEDANBgkqhkiG9w0BAQUFAAOCAgEACbODU1kBPpVJufGB +uvl2ICO1J2B01GqZNF5sAFPZn/KmsSQHRGoqxqWOeBLoR9lYGxMqXnmbnwoqZ6Yl +PwZpVnPDimZI+ymBV3QGypzqKOg4ZyYr8dW1P2WT+DZdjo2NQCCHGervJ8A9tDkP +JXtoUHRVnAxZfVo9QZQlUgjgRywVMRnVvwdVxrsStZf0X4OFunHB2WyBEXYKCrC/ +gpf36j36+uwtqSiUO1bd0lEursC9CBWMd1I0ltabrNMdjmEPNXubrjlpC2JgQCA2 +j6/7Nu4tCEoduL+bXPjqpRugc6bY+G7gMwRfaKonh+3ZwZCc7b3jajWvY9+rGNm6 +5ulK6lCKD2GTHuItGeIwlDWSXQ62B68ZgI9HkFFLLk3dheLSClIKF5r8GrBQAuUB +o2M3IUxExJtRmREOc5wGj1QupyheRDmHVi03vYVElOEMSyycw5KFNGHLD7ibSkNS +/jQ6fbjpKdx2qcgw+BRxgMYeNkh0IkFch4LoGHGLQYlE535YW6i4jRPpp2zDR+2z +Gp1iro2C6pSe3VkQw63d4k3jMdXH7OjysP6SHhYKGvzZ8/gntsm+HbRsZJB/9OTE +W9c3rkIO3aQab3yIVMUWbuF6aC74Or8NpDyJO3inTmODBCEIZ43ygknQW/2xzQ+D +hNQ+IIX3Sj0rnP0qCglN6oH4EZw= +-----END CERTIFICATE----- + +# Issuer: O=certSIGN OU=certSIGN ROOT CA +# Subject: O=certSIGN OU=certSIGN ROOT CA +# Label: "certSIGN ROOT CA" +# Serial: 35210227249154 +# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17 +# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b +# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb +-----BEGIN CERTIFICATE----- +MIIDODCCAiCgAwIBAgIGIAYFFnACMA0GCSqGSIb3DQEBBQUAMDsxCzAJBgNVBAYT +AlJPMREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBD +QTAeFw0wNjA3MDQxNzIwMDRaFw0zMTA3MDQxNzIwMDRaMDsxCzAJBgNVBAYTAlJP +MREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBDQTCC +ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALczuX7IJUqOtdu0KBuqV5Do +0SLTZLrTk+jUrIZhQGpgV2hUhE28alQCBf/fm5oqrl0Hj0rDKH/v+yv6efHHrfAQ +UySQi2bJqIirr1qjAOm+ukbuW3N7LBeCgV5iLKECZbO9xSsAfsT8AzNXDe3i+s5d +RdY4zTW2ssHQnIFKquSyAVwdj1+ZxLGt24gh65AIgoDzMKND5pCCrlUoSe1b16kQ +OA7+j0xbm0bqQfWwCHTD0IgztnzXdN/chNFDDnU5oSVAKOp4yw4sLjmdjItuFhwv +JoIQ4uNllAoEwF73XVv4EOLQunpL+943AAAaWyjj0pxzPjKHmKHJUS/X3qwzs08C +AwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAcYwHQYDVR0O +BBYEFOCMm9slSbPxfIbWskKHC9BroNnkMA0GCSqGSIb3DQEBBQUAA4IBAQA+0hyJ +LjX8+HXd5n9liPRyTMks1zJO890ZeUe9jjtbkw9QSSQTaxQGcu8J06Gh40CEyecY +MnQ8SG4Pn0vU9x7Tk4ZkVJdjclDVVc/6IJMCopvDI5NOFlV2oHB5bc0hH88vLbwZ +44gx+FkagQnIl6Z0x2DEW8xXjrJ1/RsCCdtZb3KTafcxQdaIOL+Hsr0Wefmq5L6I +Jd1hJyMctTEHBDa0GpC9oHRxUIltvBTjD4au8as+x6AJzKNI0eDbZOeStc+vckNw +i/nDhDwTqn6Sm1dTk/pwwpEOMfmbZ13pljheX7NzTogVZ96edhBiIL5VaZVDADlN +9u6wWk5JRFRYX0KD +-----END CERTIFICATE----- + +# Issuer: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only +# Subject: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only +# Label: "GeoTrust Primary Certification Authority - G3" +# Serial: 28809105769928564313984085209975885599 +# MD5 Fingerprint: b5:e8:34:36:c9:10:44:58:48:70:6d:2e:83:d4:b8:05 +# SHA1 Fingerprint: 03:9e:ed:b8:0b:e7:a0:3c:69:53:89:3b:20:d2:d9:32:3a:4c:2a:fd +# SHA256 Fingerprint: b4:78:b8:12:25:0d:f8:78:63:5c:2a:a7:ec:7d:15:5e:aa:62:5e:e8:29:16:e2:cd:29:43:61:88:6c:d1:fb:d4 +-----BEGIN CERTIFICATE----- +MIID/jCCAuagAwIBAgIQFaxulBmyeUtB9iepwxgPHzANBgkqhkiG9w0BAQsFADCB +mDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUdlb1RydXN0IEluYy4xOTA3BgNVBAsT +MChjKSAyMDA4IEdlb1RydXN0IEluYy4gLSBGb3IgYXV0aG9yaXplZCB1c2Ugb25s +eTE2MDQGA1UEAxMtR2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhv +cml0eSAtIEczMB4XDTA4MDQwMjAwMDAwMFoXDTM3MTIwMTIzNTk1OVowgZgxCzAJ +BgNVBAYTAlVTMRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMTkwNwYDVQQLEzAoYykg +MjAwOCBHZW9UcnVzdCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxNjA0 +BgNVBAMTLUdlb1RydXN0IFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkg +LSBHMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANziXmJYHTNXOTIz ++uvLh4yn1ErdBojqZI4xmKU4kB6Yzy5jK/BGvESyiaHAKAxJcCGVn2TAppMSAmUm +hsalifD614SgcK9PGpc/BkTVyetyEH3kMSj7HGHmKAdEc5IiaacDiGydY8hS2pgn +5whMcD60yRLBxWeDXTPzAxHsatBT4tG6NmCUgLthY2xbF37fQJQeqw3CIShwiP/W +JmxsYAQlTlV+fe+/lEjetx3dcI0FX4ilm/LC7urRQEFtYjgdVgbFA0dRIBn8exAL +DmKudlW/X3e+PkkBUz2YJQN2JFodtNuJ6nnltrM7P7pMKEF/BqxqjsHQ9gUdfeZC +huOl1UcCAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYw +HQYDVR0OBBYEFMR5yo6hTgMdHNxr2zFblD4/MH8tMA0GCSqGSIb3DQEBCwUAA4IB +AQAtxRPPVoB7eni9n64smefv2t+UXglpp+duaIy9cr5HqQ6XErhK8WTTOd8lNNTB +zU6B8A8ExCSzNJbGpqow32hhc9f5joWJ7w5elShKKiePEI4ufIbEAp7aDHdlDkQN +kv39sxY2+hENHYwOB4lqKVb3cvTdFZx3NWZXqxNT2I7BQMXXExZacse3aQHEerGD +AWh9jUGhlBjBJVz88P6DAod8DQ3PLghcSkANPuyBYeYk28rgDi0Hsj5W3I31QYUH +SJsMC8tJP33st/3LjWeJGqvtux6jAAgIFyqCXDFdRootD4abdNlF+9RAsXqqaC2G +spki4cErx5z481+oghLrGREt +-----END CERTIFICATE----- + +# Issuer: CN=thawte Primary Root CA - G2 O=thawte, Inc. OU=(c) 2007 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA - G2 O=thawte, Inc. OU=(c) 2007 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA - G2" +# Serial: 71758320672825410020661621085256472406 +# MD5 Fingerprint: 74:9d:ea:60:24:c4:fd:22:53:3e:cc:3a:72:d9:29:4f +# SHA1 Fingerprint: aa:db:bc:22:23:8f:c4:01:a1:27:bb:38:dd:f4:1d:db:08:9e:f0:12 +# SHA256 Fingerprint: a4:31:0d:50:af:18:a6:44:71:90:37:2a:86:af:af:8b:95:1f:fb:43:1d:83:7f:1e:56:88:b4:59:71:ed:15:57 +-----BEGIN CERTIFICATE----- +MIICiDCCAg2gAwIBAgIQNfwmXNmET8k9Jj1Xm67XVjAKBggqhkjOPQQDAzCBhDEL +MAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjE4MDYGA1UECxMvKGMp +IDIwMDcgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxJDAi +BgNVBAMTG3RoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EgLSBHMjAeFw0wNzExMDUwMDAw +MDBaFw0zODAxMTgyMzU5NTlaMIGEMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMdGhh +d3RlLCBJbmMuMTgwNgYDVQQLEy8oYykgMjAwNyB0aGF3dGUsIEluYy4gLSBGb3Ig +YXV0aG9yaXplZCB1c2Ugb25seTEkMCIGA1UEAxMbdGhhd3RlIFByaW1hcnkgUm9v +dCBDQSAtIEcyMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEotWcgnuVnfFSeIf+iha/ +BebfowJPDQfGAFG6DAJSLSKkQjnE/o/qycG+1E3/n3qe4rF8mq2nhglzh9HnmuN6 +papu+7qzcMBniKI11KOasf2twu8x+qi58/sIxpHR+ymVo0IwQDAPBgNVHRMBAf8E +BTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUmtgAMADna3+FGO6Lts6K +DPgR4bswCgYIKoZIzj0EAwMDaQAwZgIxAN344FdHW6fmCsO99YCKlzUNG4k8VIZ3 +KMqh9HneteY4sPBlcIx/AlTCv//YoT7ZzwIxAMSNlPzcU9LcnXgWHxUzI1NS41ox +XZ3Krr0TKUQNJ1uo52icEvdYPy5yAlejj6EULg== +-----END CERTIFICATE----- + +# Issuer: CN=thawte Primary Root CA - G3 O=thawte, Inc. OU=Certification Services Division/(c) 2008 thawte, Inc. - For authorized use only +# Subject: CN=thawte Primary Root CA - G3 O=thawte, Inc. OU=Certification Services Division/(c) 2008 thawte, Inc. - For authorized use only +# Label: "thawte Primary Root CA - G3" +# Serial: 127614157056681299805556476275995414779 +# MD5 Fingerprint: fb:1b:5d:43:8a:94:cd:44:c6:76:f2:43:4b:47:e7:31 +# SHA1 Fingerprint: f1:8b:53:8d:1b:e9:03:b6:a6:f0:56:43:5b:17:15:89:ca:f3:6b:f2 +# SHA256 Fingerprint: 4b:03:f4:58:07:ad:70:f2:1b:fc:2c:ae:71:c9:fd:e4:60:4c:06:4c:f5:ff:b6:86:ba:e5:db:aa:d7:fd:d3:4c +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIQYAGXt0an6rS0mtZLL/eQ+zANBgkqhkiG9w0BAQsFADCB +rjELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMf +Q2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIw +MDggdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxJDAiBgNV +BAMTG3RoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EgLSBHMzAeFw0wODA0MDIwMDAwMDBa +Fw0zNzEyMDEyMzU5NTlaMIGuMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMdGhhd3Rl +LCBJbmMuMSgwJgYDVQQLEx9DZXJ0aWZpY2F0aW9uIFNlcnZpY2VzIERpdmlzaW9u +MTgwNgYDVQQLEy8oYykgMjAwOCB0aGF3dGUsIEluYy4gLSBGb3IgYXV0aG9yaXpl +ZCB1c2Ugb25seTEkMCIGA1UEAxMbdGhhd3RlIFByaW1hcnkgUm9vdCBDQSAtIEcz +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsr8nLPvb2FvdeHsbnndm +gcs+vHyu86YnmjSjaDFxODNi5PNxZnmxqWWjpYvVj2AtP0LMqmsywCPLLEHd5N/8 +YZzic7IilRFDGF/Eth9XbAoFWCLINkw6fKXRz4aviKdEAhN0cXMKQlkC+BsUa0Lf +b1+6a4KinVvnSr0eAXLbS3ToO39/fR8EtCab4LRarEc9VbjXsCZSKAExQGbY2SS9 +9irY7CFJXJv2eul/VTV+lmuNk5Mny5K76qxAwJ/C+IDPXfRa3M50hqY+bAtTyr2S +zhkGcuYMXDhpxwTWvGzOW/b3aJzcJRVIiKHpqfiYnODz1TEoYRFsZ5aNOZnLwkUk +OQIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNV +HQ4EFgQUrWyqlGCc7eT/+j4KdCtjA/e2Wb8wDQYJKoZIhvcNAQELBQADggEBABpA +2JVlrAmSicY59BDlqQ5mU1143vokkbvnRFHfxhY0Cu9qRFHqKweKA3rD6z8KLFIW +oCtDuSWQP3CpMyVtRRooOyfPqsMpQhvfO0zAMzRbQYi/aytlryjvsvXDqmbOe1bu +t8jLZ8HJnBoYuMTDSQPxYA5QzUbF83d597YV4Djbxy8ooAw/dyZ02SUS2jHaGh7c +KUGRIjxpp7sC8rZcJwOJ9Abqm+RyguOhCcHpABnTPtRwa7pxpqpYrvS76Wy274fM +m7v/OeZWYdMKp8RcTGB7BXcmer/YB1IsYvdwY9k5vG8cwnncdimvzsUsZAReiDZu +MdRAGmI0Nj81Aa6sY6A= +-----END CERTIFICATE----- + +# Issuer: CN=GeoTrust Primary Certification Authority - G2 O=GeoTrust Inc. OU=(c) 2007 GeoTrust Inc. - For authorized use only +# Subject: CN=GeoTrust Primary Certification Authority - G2 O=GeoTrust Inc. OU=(c) 2007 GeoTrust Inc. - For authorized use only +# Label: "GeoTrust Primary Certification Authority - G2" +# Serial: 80682863203381065782177908751794619243 +# MD5 Fingerprint: 01:5e:d8:6b:bd:6f:3d:8e:a1:31:f8:12:e0:98:73:6a +# SHA1 Fingerprint: 8d:17:84:d5:37:f3:03:7d:ec:70:fe:57:8b:51:9a:99:e6:10:d7:b0 +# SHA256 Fingerprint: 5e:db:7a:c4:3b:82:a0:6a:87:61:e8:d7:be:49:79:eb:f2:61:1f:7d:d7:9b:f9:1c:1c:6b:56:6a:21:9e:d7:66 +-----BEGIN CERTIFICATE----- +MIICrjCCAjWgAwIBAgIQPLL0SAoA4v7rJDteYD7DazAKBggqhkjOPQQDAzCBmDEL +MAkGA1UEBhMCVVMxFjAUBgNVBAoTDUdlb1RydXN0IEluYy4xOTA3BgNVBAsTMChj +KSAyMDA3IEdlb1RydXN0IEluYy4gLSBGb3IgYXV0aG9yaXplZCB1c2Ugb25seTE2 +MDQGA1UEAxMtR2VvVHJ1c3QgUHJpbWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 +eSAtIEcyMB4XDTA3MTEwNTAwMDAwMFoXDTM4MDExODIzNTk1OVowgZgxCzAJBgNV +BAYTAlVTMRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMTkwNwYDVQQLEzAoYykgMjAw +NyBHZW9UcnVzdCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxNjA0BgNV +BAMTLUdlb1RydXN0IFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgLSBH +MjB2MBAGByqGSM49AgEGBSuBBAAiA2IABBWx6P0DFUPlrOuHNxFi79KDNlJ9RVcL +So17VDs6bl8VAsBQps8lL33KSLjHUGMcKiEIfJo22Av+0SbFWDEwKCXzXV2juLal +tJLtbCyf691DiaI8S0iRHVDsJt/WYC69IaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAO +BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFBVfNVdRVfslsq0DafwBo/q+EVXVMAoG +CCqGSM49BAMDA2cAMGQCMGSWWaboCd6LuvpaiIjwH5HTRqjySkwCY/tsXzjbLkGT +qQ7mndwxHLKgpxgceeHHNgIwOlavmnRs9vuD4DPTCF+hnMJbn0bWtsuRBmOiBucz +rD6ogRLQy7rQkgu2npaqBA+K +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Universal Root Certification Authority O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2008 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Universal Root Certification Authority O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2008 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Universal Root Certification Authority" +# Serial: 85209574734084581917763752644031726877 +# MD5 Fingerprint: 8e:ad:b5:01:aa:4d:81:e4:8c:1d:d1:e1:14:00:95:19 +# SHA1 Fingerprint: 36:79:ca:35:66:87:72:30:4d:30:a5:fb:87:3b:0f:a7:7b:b7:0d:54 +# SHA256 Fingerprint: 23:99:56:11:27:a5:71:25:de:8c:ef:ea:61:0d:df:2f:a0:78:b5:c8:06:7f:4e:82:82:90:bf:b8:60:e8:4b:3c +-----BEGIN CERTIFICATE----- +MIIEuTCCA6GgAwIBAgIQQBrEZCGzEyEDDrvkEhrFHTANBgkqhkiG9w0BAQsFADCB +vTELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL +ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwOCBWZXJp +U2lnbiwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MTgwNgYDVQQDEy9W +ZXJpU2lnbiBVbml2ZXJzYWwgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wODA0MDIwMDAwMDBaFw0zNzEyMDEyMzU5NTlaMIG9MQswCQYDVQQGEwJVUzEX +MBUGA1UEChMOVmVyaVNpZ24sIEluYy4xHzAdBgNVBAsTFlZlcmlTaWduIFRydXN0 +IE5ldHdvcmsxOjA4BgNVBAsTMShjKSAyMDA4IFZlcmlTaWduLCBJbmMuIC0gRm9y +IGF1dGhvcml6ZWQgdXNlIG9ubHkxODA2BgNVBAMTL1ZlcmlTaWduIFVuaXZlcnNh +bCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEF +AAOCAQ8AMIIBCgKCAQEAx2E3XrEBNNti1xWb/1hajCMj1mCOkdeQmIN65lgZOIzF +9uVkhbSicfvtvbnazU0AtMgtc6XHaXGVHzk8skQHnOgO+k1KxCHfKWGPMiJhgsWH +H26MfF8WIFFE0XBPV+rjHOPMee5Y2A7Cs0WTwCznmhcrewA3ekEzeOEz4vMQGn+H +LL729fdC4uW/h2KJXwBL38Xd5HVEMkE6HnFuacsLdUYI0crSK5XQz/u5QGtkjFdN +/BMReYTtXlT2NJ8IAfMQJQYXStrxHXpma5hgZqTZ79IugvHw7wnqRMkVauIDbjPT +rJ9VAMf2CGqUuV/c4DPxhGD5WycRtPwW8rtWaoAljQIDAQABo4GyMIGvMA8GA1Ud +EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMG0GCCsGAQUFBwEMBGEwX6FdoFsw +WTBXMFUWCWltYWdlL2dpZjAhMB8wBwYFKw4DAhoEFI/l0xqGrI2Oa8PPgGrUSBgs +exkuMCUWI2h0dHA6Ly9sb2dvLnZlcmlzaWduLmNvbS92c2xvZ28uZ2lmMB0GA1Ud +DgQWBBS2d/ppSEefUxLVwuoHMnYH0ZcHGTANBgkqhkiG9w0BAQsFAAOCAQEASvj4 +sAPmLGd75JR3Y8xuTPl9Dg3cyLk1uXBPY/ok+myDjEedO2Pzmvl2MpWRsXe8rJq+ +seQxIcaBlVZaDrHC1LGmWazxY8u4TB1ZkErvkBYoH1quEPuBUDgMbMzxPcP1Y+Oz +4yHJJDnp/RVmRvQbEdBNc6N9Rvk97ahfYtTxP/jgdFcrGJ2BtMQo2pSXpXDrrB2+ +BxHw1dvd5Yzw1TKwg+ZX4o+/vqGqvz0dtdQ46tewXDpPaj+PwGZsY6rp2aQW9IHR +lRQOfc2VNNnSj3BzgXucfr2YYdhFh5iQxeuGMMY1v/D/w1WIg0vvBZIGcfK4mJO3 +7M2CYfE45k+XmCpajQ== +-----END CERTIFICATE----- + +# Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G4 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2007 VeriSign, Inc. - For authorized use only +# Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G4 O=VeriSign, Inc. OU=VeriSign Trust Network/(c) 2007 VeriSign, Inc. - For authorized use only +# Label: "VeriSign Class 3 Public Primary Certification Authority - G4" +# Serial: 63143484348153506665311985501458640051 +# MD5 Fingerprint: 3a:52:e1:e7:fd:6f:3a:e3:6f:f3:6f:99:1b:f9:22:41 +# SHA1 Fingerprint: 22:d5:d8:df:8f:02:31:d1:8d:f7:9d:b7:cf:8a:2d:64:c9:3f:6c:3a +# SHA256 Fingerprint: 69:dd:d7:ea:90:bb:57:c9:3e:13:5d:c8:5e:a6:fc:d5:48:0b:60:32:39:bd:c4:54:fc:75:8b:2a:26:cf:7f:79 +-----BEGIN CERTIFICATE----- +MIIDhDCCAwqgAwIBAgIQL4D+I4wOIg9IZxIokYesszAKBggqhkjOPQQDAzCByjEL +MAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZW +ZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNyBWZXJpU2ln +biwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxWZXJp +U2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9y +aXR5IC0gRzQwHhcNMDcxMTA1MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCByjELMAkG +A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZWZXJp +U2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNyBWZXJpU2lnbiwg +SW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxWZXJpU2ln +biBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5 +IC0gRzQwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAASnVnp8Utpkmw4tXNherJI9/gHm +GUo9FANL+mAnINmDiWn6VMaaGF5VKmTeBvaNSjutEDxlPZCIBIngMGGzrl0Bp3ve +fLK+ymVhAIau2o970ImtTR1ZmkGxvEeA3J5iw/mjgbIwga8wDwYDVR0TAQH/BAUw +AwEB/zAOBgNVHQ8BAf8EBAMCAQYwbQYIKwYBBQUHAQwEYTBfoV2gWzBZMFcwVRYJ +aW1hZ2UvZ2lmMCEwHzAHBgUrDgMCGgQUj+XTGoasjY5rw8+AatRIGCx7GS4wJRYj +aHR0cDovL2xvZ28udmVyaXNpZ24uY29tL3ZzbG9nby5naWYwHQYDVR0OBBYEFLMW +kf3upm7ktS5Jj4d4gYDs5bG1MAoGCCqGSM49BAMDA2gAMGUCMGYhDBgmYFo4e1ZC +4Kf8NoRRkSAsdk1DPcQdhCPQrNZ8NQbOzWm9kA3bbEhCHQ6qQgIxAJw9SDkjOVga +FRJZap7v1VmyHVIsmXHNxynfGyphe3HR3vPA5Q06Sqotp9iGKt0uEA== +-----END CERTIFICATE----- + +# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny" +# Serial: 80544274841616 +# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88 +# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91 +# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98 +-----BEGIN CERTIFICATE----- +MIIEFTCCAv2gAwIBAgIGSUEs5AAQMA0GCSqGSIb3DQEBCwUAMIGnMQswCQYDVQQG +EwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFTATBgNVBAoMDE5ldExvY2sgS2Z0LjE3 +MDUGA1UECwwuVGFuw7pzw610dsOhbnlraWFkw7NrIChDZXJ0aWZpY2F0aW9uIFNl +cnZpY2VzKTE1MDMGA1UEAwwsTmV0TG9jayBBcmFueSAoQ2xhc3MgR29sZCkgRsWR +dGFuw7pzw610dsOhbnkwHhcNMDgxMjExMTUwODIxWhcNMjgxMjA2MTUwODIxWjCB +pzELMAkGA1UEBhMCSFUxETAPBgNVBAcMCEJ1ZGFwZXN0MRUwEwYDVQQKDAxOZXRM +b2NrIEtmdC4xNzA1BgNVBAsMLlRhbsO6c8OtdHbDoW55a2lhZMOzayAoQ2VydGlm +aWNhdGlvbiBTZXJ2aWNlcykxNTAzBgNVBAMMLE5ldExvY2sgQXJhbnkgKENsYXNz 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O=Staat der Nederlanden +# Subject: CN=Staat der Nederlanden Root CA - G2 O=Staat der Nederlanden +# Label: "Staat der Nederlanden Root CA - G2" +# Serial: 10000012 +# MD5 Fingerprint: 7c:a5:0f:f8:5b:9a:7d:6d:30:ae:54:5a:e3:42:a2:8a +# SHA1 Fingerprint: 59:af:82:79:91:86:c7:b4:75:07:cb:cf:03:57:46:eb:04:dd:b7:16 +# SHA256 Fingerprint: 66:8c:83:94:7d:a6:3b:72:4b:ec:e1:74:3c:31:a0:e6:ae:d0:db:8e:c5:b3:1b:e3:77:bb:78:4f:91:b6:71:6f +-----BEGIN CERTIFICATE----- +MIIFyjCCA7KgAwIBAgIEAJiWjDANBgkqhkiG9w0BAQsFADBaMQswCQYDVQQGEwJO +TDEeMBwGA1UECgwVU3RhYXQgZGVyIE5lZGVybGFuZGVuMSswKQYDVQQDDCJTdGFh +dCBkZXIgTmVkZXJsYW5kZW4gUm9vdCBDQSAtIEcyMB4XDTA4MDMyNjExMTgxN1oX +DTIwMDMyNTExMDMxMFowWjELMAkGA1UEBhMCTkwxHjAcBgNVBAoMFVN0YWF0IGRl +ciBOZWRlcmxhbmRlbjErMCkGA1UEAwwiU3RhYXQgZGVyIE5lZGVybGFuZGVuIFJv +b3QgQ0EgLSBHMjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMVZ5291 +qj5LnLW4rJ4L5PnZyqtdj7U5EILXr1HgO+EASGrP2uEGQxGZqhQlEq0i6ABtQ8Sp +uOUfiUtnvWFI7/3S4GCI5bkYYCjDdyutsDeqN95kWSpGV+RLufg3fNU254DBtvPU 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CERTIFICATE----- +MIIDMDCCAhigAwIBAgICA+gwDQYJKoZIhvcNAQEFBQAwRzELMAkGA1UEBhMCSEsx +FjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdrb25nIFBvc3Qg +Um9vdCBDQSAxMB4XDTAzMDUxNTA1MTMxNFoXDTIzMDUxNTA0NTIyOVowRzELMAkG +A1UEBhMCSEsxFjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdr +b25nIFBvc3QgUm9vdCBDQSAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC +AQEArP84tulmAknjorThkPlAj3n54r15/gK97iSSHSL22oVyaf7XPwnU3ZG1ApzQ +jVrhVcNQhrkpJsLj2aDxaQMoIIBFIi1WpztUlVYiWR8o3x8gPW2iNr4joLFutbEn +PzlTCeqrauh0ssJlXI6/fMN4hM2eFvz1Lk8gKgifd/PFHsSaUmYeSF7jEAaPIpjh +ZY4bXSNmO7ilMlHIhqqhqZ5/dpTCpmy3QfDVyAY45tQM4vM7TG1QjMSDJ8EThFk9 +nnV0ttgCXjqQesBCNnLsak3c78QA3xMYV18meMjWCnl3v/evt3a5pQuEF10Q6m/h +q5URX208o1xNg1vysxmKgIsLhwIDAQABoyYwJDASBgNVHRMBAf8ECDAGAQH/AgED +MA4GA1UdDwEB/wQEAwIBxjANBgkqhkiG9w0BAQUFAAOCAQEADkbVPK7ih9legYsC +mEEIjEy82tvuJxuC52pF7BaLT4Wg87JwvVqWuspube5Gi27nKi6Wsxkz67SfqLI3 +7piol7Yutmcn1KZJ/RyTZXaeQi/cImyaT/JaFTmxcdcrUehtHJjA2Sr0oYJ71clB 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CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd. +# Subject: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd. +# Label: "Microsec e-Szigno Root CA 2009" +# Serial: 14014712776195784473 +# MD5 Fingerprint: f8:49:f4:03:bc:44:2d:83:be:48:69:7d:29:64:fc:b1 +# SHA1 Fingerprint: 89:df:74:fe:5c:f4:0f:4a:80:f9:e3:37:7d:54:da:91:e1:01:31:8e +# SHA256 Fingerprint: 3c:5f:81:fe:a5:fa:b8:2c:64:bf:a2:ea:ec:af:cd:e8:e0:77:fc:86:20:a7:ca:e5:37:16:3d:f3:6e:db:f3:78 +-----BEGIN CERTIFICATE----- +MIIECjCCAvKgAwIBAgIJAMJ+QwRORz8ZMA0GCSqGSIb3DQEBCwUAMIGCMQswCQYD +VQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFjAUBgNVBAoMDU1pY3Jvc2VjIEx0 +ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3ppZ25vIFJvb3QgQ0EgMjAwOTEfMB0G +CSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5odTAeFw0wOTA2MTYxMTMwMThaFw0y +OTEyMzAxMTMwMThaMIGCMQswCQYDVQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3Qx +FjAUBgNVBAoMDU1pY3Jvc2VjIEx0ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3pp +Z25vIFJvb3QgQ0EgMjAwOTEfMB0GCSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5o 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Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3 +# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3 +# Label: "GlobalSign Root CA - R3" +# Serial: 4835703278459759426209954 +# MD5 Fingerprint: c5:df:b8:49:ca:05:13:55:ee:2d:ba:1a:c3:3e:b0:28 +# SHA1 Fingerprint: d6:9b:56:11:48:f0:1c:77:c5:45:78:c1:09:26:df:5b:85:69:76:ad +# SHA256 Fingerprint: cb:b5:22:d7:b7:f1:27:ad:6a:01:13:86:5b:df:1c:d4:10:2e:7d:07:59:af:63:5a:7c:f4:72:0d:c9:63:c5:3b +-----BEGIN CERTIFICATE----- +MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G +A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp +Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMDkwMzE4MTAwMDAwWhcNMjkwMzE4 +MTAwMDAwWjBMMSAwHgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEG +A1UEChMKR2xvYmFsU2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjCCASIwDQYJKoZI +hvcNAQEBBQADggEPADCCAQoCggEBAMwldpB5BngiFvXAg7aEyiie/QV2EcWtiHL8 +RgJDx7KKnQRfJMsuS+FggkbhUqsMgUdwbN1k0ev1LKMPgj0MK66X17YUhhB5uzsT 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Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. 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Subject: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967 +# Label: "Actalis Authentication Root CA" +# Serial: 6271844772424770508 +# MD5 Fingerprint: 69:c1:0d:4f:07:a3:1b:c3:fe:56:3d:04:bc:11:f6:a6 +# SHA1 Fingerprint: f3:73:b3:87:06:5a:28:84:8a:f2:f3:4a:ce:19:2b:dd:c7:8e:9c:ac +# SHA256 Fingerprint: 55:92:60:84:ec:96:3a:64:b9:6e:2a:be:01:ce:0b:a8:6a:64:fb:fe:bc:c7:aa:b5:af:c1:55:b3:7f:d7:60:66 +-----BEGIN CERTIFICATE----- +MIIFuzCCA6OgAwIBAgIIVwoRl0LE48wwDQYJKoZIhvcNAQELBQAwazELMAkGA1UE +BhMCSVQxDjAMBgNVBAcMBU1pbGFuMSMwIQYDVQQKDBpBY3RhbGlzIFMucC5BLi8w +MzM1ODUyMDk2NzEnMCUGA1UEAwweQWN0YWxpcyBBdXRoZW50aWNhdGlvbiBSb290 +IENBMB4XDTExMDkyMjExMjIwMloXDTMwMDkyMjExMjIwMlowazELMAkGA1UEBhMC +SVQxDjAMBgNVBAcMBU1pbGFuMSMwIQYDVQQKDBpBY3RhbGlzIFMucC5BLi8wMzM1 +ODUyMDk2NzEnMCUGA1UEAwweQWN0YWxpcyBBdXRoZW50aWNhdGlvbiBSb290IENB +MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAp8bEpSmkLO/lGMWwUKNv +UTufClrJwkg4CsIcoBh/kbWHuUA/3R1oHwiD1S0eiKD4j1aPbZkCkpAW1V8IbInX 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+-----BEGIN CERTIFICATE----- +MIIDZzCCAk+gAwIBAgIQGx+ttiD5JNM2a/fH8YygWTANBgkqhkiG9w0BAQUFADBF +MQswCQYDVQQGEwJHQjEYMBYGA1UEChMPVHJ1c3RpcyBMaW1pdGVkMRwwGgYDVQQL +ExNUcnVzdGlzIEZQUyBSb290IENBMB4XDTAzMTIyMzEyMTQwNloXDTI0MDEyMTEx +MzY1NFowRTELMAkGA1UEBhMCR0IxGDAWBgNVBAoTD1RydXN0aXMgTGltaXRlZDEc +MBoGA1UECxMTVHJ1c3RpcyBGUFMgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQAD +ggEPADCCAQoCggEBAMVQe547NdDfxIzNjpvto8A2mfRC6qc+gIMPpqdZh8mQRUN+ +AOqGeSoDvT03mYlmt+WKVoaTnGhLaASMk5MCPjDSNzoiYYkchU59j9WvezX2fihH +iTHcDnlkH5nSW7r+f2C/revnPDgpai/lkQtV/+xvWNUtyd5MZnGPDNcE2gfmHhjj +vSkCqPoc4Vu5g6hBSLwacY3nYuUtsuvffM/bq1rKMfFMIvMFE/eC+XN5DL7XSxzA +0RU8k0Fk0ea+IxciAIleH2ulrG6nS4zto3Lmr2NNL4XSFDWaLk6M6jKYKIahkQlB +OrTh4/L68MkKokHdqeMDx4gVOxzUGpTXn2RZEm0CAwEAAaNTMFEwDwYDVR0TAQH/ +BAUwAwEB/zAfBgNVHSMEGDAWgBS6+nEleYtXQSUhhgtx67JkDoshZzAdBgNVHQ4E +FgQUuvpxJXmLV0ElIYYLceuyZA6LIWcwDQYJKoZIhvcNAQEFBQADggEBAH5Y//01 +GX2cGE+esCu8jowU/yyg2kdbw++BLa8F6nRIW/M+TgfHbcWzk88iNVy2P3UnXwmW 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9a:6e:c0:12:e1:a7:da:9d:be:34:19:4d:47:8a:d7:c0:db:18:22:fb:07:1d:f1:29:81:49:6e:d1:04:38:41:13 +-----BEGIN CERTIFICATE----- +MIIH0zCCBbugAwIBAgIIXsO3pkN/pOAwDQYJKoZIhvcNAQEFBQAwQjESMBAGA1UE +AwwJQUNDVlJBSVoxMRAwDgYDVQQLDAdQS0lBQ0NWMQ0wCwYDVQQKDARBQ0NWMQsw +CQYDVQQGEwJFUzAeFw0xMTA1MDUwOTM3MzdaFw0zMDEyMzEwOTM3MzdaMEIxEjAQ +BgNVBAMMCUFDQ1ZSQUlaMTEQMA4GA1UECwwHUEtJQUNDVjENMAsGA1UECgwEQUND +VjELMAkGA1UEBhMCRVMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCb +qau/YUqXry+XZpp0X9DZlv3P4uRm7x8fRzPCRKPfmt4ftVTdFXxpNRFvu8gMjmoY +HtiP2Ra8EEg2XPBjs5BaXCQ316PWywlxufEBcoSwfdtNgM3802/J+Nq2DoLSRYWo +G2ioPej0RGy9ocLLA76MPhMAhN9KSMDjIgro6TenGEyxCQ0jVn8ETdkXhBilyNpA +lHPrzg5XPAOBOp0KoVdDaaxXbXmQeOW1tDvYvEyNKKGno6e6Ak4l0Squ7a4DIrhr +IA8wKFSVf+DuzgpmndFALW4ir50awQUZ0m/A8p/4e7MCQvtQqR0tkw8jq8bBD5L/ +0KIV9VMJcRz/RROE5iZe+OCIHAr8Fraocwa48GOEAqDGWuzndN9wrqODJerWx5eH +k6fGioozl2A3ED6XPm4pFdahD9GILBKfb6qkxkLrQaLjlUPTAYVtjrs78yM2x/47 +4KElB0iryYl0/wiPgL/AlmXz7uxLaL2diMMxs0Dx6M/2OLuc5NF/1OVYm3z61PMO 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Subject: CN=TWCA Global Root CA O=TAIWAN-CA OU=Root CA +# Label: "TWCA Global Root CA" +# Serial: 3262 +# MD5 Fingerprint: f9:03:7e:cf:e6:9e:3c:73:7a:2a:90:07:69:ff:2b:96 +# SHA1 Fingerprint: 9c:bb:48:53:f6:a4:f6:d3:52:a4:e8:32:52:55:60:13:f5:ad:af:65 +# SHA256 Fingerprint: 59:76:90:07:f7:68:5d:0f:cd:50:87:2f:9f:95:d5:75:5a:5b:2b:45:7d:81:f3:69:2b:61:0a:98:67:2f:0e:1b +-----BEGIN CERTIFICATE----- +MIIFQTCCAymgAwIBAgICDL4wDQYJKoZIhvcNAQELBQAwUTELMAkGA1UEBhMCVFcx +EjAQBgNVBAoTCVRBSVdBTi1DQTEQMA4GA1UECxMHUm9vdCBDQTEcMBoGA1UEAxMT +VFdDQSBHbG9iYWwgUm9vdCBDQTAeFw0xMjA2MjcwNjI4MzNaFw0zMDEyMzExNTU5 +NTlaMFExCzAJBgNVBAYTAlRXMRIwEAYDVQQKEwlUQUlXQU4tQ0ExEDAOBgNVBAsT +B1Jvb3QgQ0ExHDAaBgNVBAMTE1RXQ0EgR2xvYmFsIFJvb3QgQ0EwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQCwBdvI64zEbooh745NnHEKH1Jw7W2CnJfF +10xORUnLQEK1EjRsGcJ0pDFfhQKX7EMzClPSnIyOt7h52yvVavKOZsTuKwEHktSz +0ALfUPZVr2YOy+BHYC8rMjk1Ujoog/h7FsYYuGLWRyWRzvAZEk2tY/XTP3VfKfCh +MBwqoJimFb3u/Rk28OKRQ4/6ytYQJ0lM793B8YVwm8rqqFpD/G2Gb3PpN0Wp8DbH 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OU=E-Tugra Sertifikasyon Merkezi +# Subject: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi +# Label: "E-Tugra Certification Authority" +# Serial: 7667447206703254355 +# MD5 Fingerprint: b8:a1:03:63:b0:bd:21:71:70:8a:6f:13:3a:bb:79:49 +# SHA1 Fingerprint: 51:c6:e7:08:49:06:6e:f3:92:d4:5c:a0:0d:6d:a3:62:8f:c3:52:39 +# SHA256 Fingerprint: b0:bf:d5:2b:b0:d7:d9:bd:92:bf:5d:4d:c1:3d:a2:55:c0:2c:54:2f:37:83:65:ea:89:39:11:f5:5e:55:f2:3c +-----BEGIN CERTIFICATE----- +MIIGSzCCBDOgAwIBAgIIamg+nFGby1MwDQYJKoZIhvcNAQELBQAwgbIxCzAJBgNV +BAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+BgNVBAoMN0UtVHXEn3JhIEVCRyBC +aWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhpem1ldGxlcmkgQS7Fni4xJjAkBgNV +BAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBNZXJrZXppMSgwJgYDVQQDDB9FLVR1 +Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTEzMDMwNTEyMDk0OFoXDTIz +MDMwMzEyMDk0OFowgbIxCzAJBgNVBAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+ +BgNVBAoMN0UtVHXEn3JhIEVCRyBCaWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhp +em1ldGxlcmkgQS7Fni4xJjAkBgNVBAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBN +ZXJrZXppMSgwJgYDVQQDDB9FLVR1Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5 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2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a +# SHA1 Fingerprint: 59:0d:2d:7d:88:4f:40:2e:61:7e:a5:62:32:17:65:cf:17:d8:94:e9 +# SHA256 Fingerprint: 91:e2:f5:78:8d:58:10:eb:a7:ba:58:73:7d:e1:54:8a:8e:ca:cd:01:45:98:bc:0b:14:3e:04:1b:17:05:25:52 +-----BEGIN CERTIFICATE----- +MIIDwzCCAqugAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgjELMAkGA1UEBhMCREUx +KzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnByaXNlIFNlcnZpY2VzIEdtYkgxHzAd +BgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50ZXIxJTAjBgNVBAMMHFQtVGVsZVNl +YyBHbG9iYWxSb290IENsYXNzIDIwHhcNMDgxMDAxMTA0MDE0WhcNMzMxMDAxMjM1 +OTU5WjCBgjELMAkGA1UEBhMCREUxKzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnBy +aXNlIFNlcnZpY2VzIEdtYkgxHzAdBgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50 +ZXIxJTAjBgNVBAMMHFQtVGVsZVNlYyBHbG9iYWxSb290IENsYXNzIDIwggEiMA0G +CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqX9obX+hzkeXaXPSi5kfl82hVYAUd +AqSzm1nzHoqvNK38DcLZSBnuaY/JIPwhqgcZ7bBcrGXHX+0CfHt8LRvWurmAwhiC +FoT6ZrAIxlQjgeTNuUk/9k9uN0goOA/FvudocP05l03Sx5iRUKrERLMjfTlH6VJi 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2b:b1:f5:3e:55:0c:1d:c5:f1:d4:e6:b7:6a:46:4b:55:06:02:ac:21 +# SHA256 Fingerprint: f3:56:be:a2:44:b7:a9:1e:b3:5d:53:ca:9a:d7:86:4a:ce:01:8e:2d:35:d5:f8:f9:6d:df:68:a6:f4:1a:a4:74 +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIIXDPLYixfszIwDQYJKoZIhvcNAQELBQAwPDEeMBwGA1UE +AwwVQXRvcyBUcnVzdGVkUm9vdCAyMDExMQ0wCwYDVQQKDARBdG9zMQswCQYDVQQG +EwJERTAeFw0xMTA3MDcxNDU4MzBaFw0zMDEyMzEyMzU5NTlaMDwxHjAcBgNVBAMM +FUF0b3MgVHJ1c3RlZFJvb3QgMjAxMTENMAsGA1UECgwEQXRvczELMAkGA1UEBhMC +REUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCVhTuXbyo7LjvPpvMp +Nb7PGKw+qtn4TaA+Gke5vJrf8v7MPkfoepbCJI419KkM/IL9bcFyYie96mvr54rM +VD6QUM+A1JX76LWC1BTFtqlVJVfbsVD2sGBkWXppzwO3bw2+yj5vdHLqqjAqc2K+ +SZFhyBH+DgMq92og3AIVDV4VavzjgsG1xZ1kCWyjWZgHJ8cblithdHFsQ/H3NYkQ +4J7sVaE3IqKHBAUsR320HLliKWYoyrfhk/WklAOZuXCFteZI6o1Q/NnezG8HDt0L +cp2AMBYHlT8oDv3FdU9T1nSatCQujgKRz3bFmx5VdJx4IbHwLfELn8LVlhgf8FQi +eowHAgMBAAGjfTB7MB0GA1UdDgQWBBSnpQaxLKYJYO7Rl+lwrrw7GWzbITAPBgNV +HRMBAf8EBTADAQH/MB8GA1UdIwQYMBaAFKelBrEspglg7tGX6XCuvDsZbNshMBgG 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+MIIFYDCCA0igAwIBAgIUeFhfLq0sGUvjNwc1NBMotZbUZZMwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCQk0xGTAXBgNVBAoTEFF1b1ZhZGlzIExpbWl0ZWQxHjAc +BgNVBAMTFVF1b1ZhZGlzIFJvb3QgQ0EgMSBHMzAeFw0xMjAxMTIxNzI3NDRaFw00 +MjAxMTIxNzI3NDRaMEgxCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBM +aW1pdGVkMR4wHAYDVQQDExVRdW9WYWRpcyBSb290IENBIDEgRzMwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQCgvlAQjunybEC0BJyFuTHK3C3kEakEPBtV +wedYMB0ktMPvhd6MLOHBPd+C5k+tR4ds7FtJwUrVu4/sh6x/gpqG7D0DmVIB0jWe +rNrwU8lmPNSsAgHaJNM7qAJGr6Qc4/hzWHa39g6QDbXwz8z6+cZM5cOGMAqNF341 +68Xfuw6cwI2H44g4hWf6Pser4BOcBRiYz5P1sZK0/CPTz9XEJ0ngnjybCKOLXSoh +4Pw5qlPafX7PGglTvF0FBM+hSo+LdoINofjSxxR3W5A2B4GbPgb6Ul5jxaYA/qXp +UhtStZI5cgMJYr2wYBZupt0lwgNm3fME0UDiTouG9G/lg6AnhF4EwfWQvTA9xO+o +abw4m6SkltFi2mnAAZauy8RRNOoMqv8hjlmPSlzkYZqn0ukqeI1RPToV7qJZjqlc +3sX5kCLliEVx3ZGZbHqfPT2YfF72vhZooF6uCyP8Wg+qInYtyaEQHeTTRCOQiJ/G +KubX9ZqzWB4vMIkIG1SitZgj7Ah3HJVdYdHLiZxfokqRmu8hqkkWCKi9YSgxyXSt +hfbZxbGL0eUQMk1fiyA6PEkfM4VZDdvLCXVDaXP7a3F98N/ETH3Goy7IlXnLc6KO 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Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited +# Label: "QuoVadis Root CA 2 G3" +# Serial: 390156079458959257446133169266079962026824725800 +# MD5 Fingerprint: af:0c:86:6e:bf:40:2d:7f:0b:3e:12:50:ba:12:3d:06 +# SHA1 Fingerprint: 09:3c:61:f3:8b:8b:dc:7d:55:df:75:38:02:05:00:e1:25:f5:c8:36 +# SHA256 Fingerprint: 8f:e4:fb:0a:f9:3a:4d:0d:67:db:0b:eb:b2:3e:37:c7:1b:f3:25:dc:bc:dd:24:0e:a0:4d:af:58:b4:7e:18:40 +-----BEGIN CERTIFICATE----- +MIIFYDCCA0igAwIBAgIURFc0JFuBiZs18s64KztbpybwdSgwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCQk0xGTAXBgNVBAoTEFF1b1ZhZGlzIExpbWl0ZWQxHjAc +BgNVBAMTFVF1b1ZhZGlzIFJvb3QgQ0EgMiBHMzAeFw0xMjAxMTIxODU5MzJaFw00 +MjAxMTIxODU5MzJaMEgxCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBM +aW1pdGVkMR4wHAYDVQQDExVRdW9WYWRpcyBSb290IENBIDIgRzMwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQChriWyARjcV4g/Ruv5r+LrI3HimtFhZiFf +qq8nUeVuGxbULX1QsFN3vXg6YOJkApt8hpvWGo6t/x8Vf9WVHhLL5hSEBMHfNrMW +n4rjyduYNM7YMxcoRvynyfDStNVNCXJJ+fKH46nafaF9a7I6JaltUkSs+L5u+9ym 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root G2" +# Serial: 15385348160840213938643033620894905419 +# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d +# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f +# SHA256 Fingerprint: 7d:05:eb:b6:82:33:9f:8c:94:51:ee:09:4e:eb:fe:fa:79:53:a1:14:ed:b2:f4:49:49:45:2f:ab:7d:2f:c1:85 +-----BEGIN CERTIFICATE----- +MIIDljCCAn6gAwIBAgIQC5McOtY5Z+pnI7/Dr5r0SzANBgkqhkiG9w0BAQsFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgRzIwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzIwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZ5ygvUj82ckmIkzTz+GoeMVSA +n61UQbVH35ao1K+ALbkKz3X9iaV9JPrjIgwrvJUXCzO/GU1BBpAAvQxNEP4Htecc 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15459312981008553731928384953135426796 +# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb +# SHA1 Fingerprint: f5:17:a2:4f:9a:48:c6:c9:f8:a2:00:26:9f:dc:0f:48:2c:ab:30:89 +# SHA256 Fingerprint: 7e:37:cb:8b:4c:47:09:0c:ab:36:55:1b:a6:f4:5d:b8:40:68:0f:ba:16:6a:95:2d:b1:00:71:7f:43:05:3f:c2 +-----BEGIN CERTIFICATE----- +MIICRjCCAc2gAwIBAgIQC6Fa+h3foLVJRK/NJKBs7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3Qg +RzMwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzMwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAAQZ57ysRGXtzbg/WPuNsVepRC0FFfLvC/8QdJ+1YlJf +Zn4f5dwbRXkLzMZTCp2NXQLZqVneAlr2lSoOjThKiknGvMYDOAdfVdp+CW7if17Q +RSAPWXYQ1qAk8C3eNvJsKTmjQjBAMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/ +BAQDAgGGMB0GA1UdDgQWBBTL0L2p4ZgFUaFNN6KDec6NHSrkhDAKBggqhkjOPQQD 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+-----END CERTIFICATE----- + +# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Global Root G3" +# Serial: 7089244469030293291760083333884364146 +# MD5 Fingerprint: f5:5d:a4:50:a5:fb:28:7e:1e:0f:0d:cc:96:57:56:ca +# SHA1 Fingerprint: 7e:04:de:89:6a:3e:66:6d:00:e6:87:d3:3f:fa:d9:3b:e8:3d:34:9e +# SHA256 Fingerprint: 31:ad:66:48:f8:10:41:38:c7:38:f3:9e:a4:32:01:33:39:3e:3a:18:cc:02:29:6e:f9:7c:2a:c9:ef:67:31:d0 +-----BEGIN CERTIFICATE----- +MIICPzCCAcWgAwIBAgIQBVVWvPJepDU1w6QP1atFcjAKBggqhkjOPQQDAzBhMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBHMzAe +Fw0xMzA4MDExMjAwMDBaFw0zODAxMTUxMjAwMDBaMGExCzAJBgNVBAYTAlVTMRUw +EwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20x +IDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IEczMHYwEAYHKoZIzj0CAQYF 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+ +# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Label: "COMODO RSA Certification Authority" +# Serial: 101909084537582093308941363524873193117 +# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18 +# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4 +# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34 +-----BEGIN CERTIFICATE----- +MIIF2DCCA8CgAwIBAgIQTKr5yttjb+Af907YWwOGnTANBgkqhkiG9w0BAQwFADCB +hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNV +BAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAwMTE5 +MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBhTELMAkGA1UEBhMCR0IxGzAZBgNVBAgT +EkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR +Q09NT0RPIENBIExpbWl0ZWQxKzApBgNVBAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNh 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2b:8f:1b:57:33:0d:bb:a2:d0:7a:6c:51:f7:0e:e9:0d:da:b9:ad:8e +# SHA256 Fingerprint: e7:93:c9:b0:2f:d8:aa:13:e2:1c:31:22:8a:cc:b0:81:19:64:3b:74:9c:89:89:64:b1:74:6d:46:c3:d4:cb:d2 +-----BEGIN CERTIFICATE----- +MIIF3jCCA8agAwIBAgIQAf1tMPyjylGoG7xkDjUDLTANBgkqhkiG9w0BAQwFADCB +iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl +cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV +BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAw +MjAxMDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBiDELMAkGA1UEBhMCVVMxEzARBgNV +BAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNleSBDaXR5MR4wHAYDVQQKExVU +aGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMTJVVTRVJUcnVzdCBSU0EgQ2Vy +dGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQCAEmUXNg7D2wiz0KxXDXbtzSfTTK1Qg2HiqiBNCS1kCdzOiZ/MPans9s/B +3PHTsdZ7NygRK0faOca8Ohm0X6a9fZ2jY0K2dvKpOyuR+OJv0OwWIJAJPuLodMkY +tJHUYmTbf6MG8YgYapAiPLz+E/CHFHv25B+O1ORRxhFnRghRy4YUVD+8M/5+bJz/ +Fp0YvVGONaanZshyZ9shZrHUm3gDwFA66Mzw3LyeTP6vBZY1H1dat//O+T23LLb2 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Root CA - R4 +# Label: "GlobalSign ECC Root CA - R4" +# Serial: 14367148294922964480859022125800977897474 +# MD5 Fingerprint: 20:f0:27:68:d1:7e:a0:9d:0e:e6:2a:ca:df:5c:89:8e +# SHA1 Fingerprint: 69:69:56:2e:40:80:f4:24:a1:e7:19:9f:14:ba:f3:ee:58:ab:6a:bb +# SHA256 Fingerprint: be:c9:49:11:c2:95:56:76:db:6c:0a:55:09:86:d7:6e:3b:a0:05:66:7c:44:2c:97:62:b4:fb:b7:73:de:22:8c +-----BEGIN CERTIFICATE----- +MIIB4TCCAYegAwIBAgIRKjikHJYKBN5CsiilC+g0mAIwCgYIKoZIzj0EAwIwUDEk +MCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBDQSAtIFI0MRMwEQYDVQQKEwpH +bG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTEyMTExMzAwMDAwMFoX +DTM4MDExOTAzMTQwN1owUDEkMCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBD +QSAtIFI0MRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWdu +MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEuMZ5049sJQ6fLjkZHAOkrprlOQcJ +FspjsbmG+IpXwVfOQvpzofdlQv8ewQCybnMO/8ch5RikqtlxP6jUuc6MHaNCMEAw +DgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFFSwe61F +uOJAf/sKbvu+M8k8o4TVMAoGCCqGSM49BAMCA0gAMEUCIQDckqGgE6bPA7DmxCGX 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+MIIFdDCCA1ygAwIBAgIEAJiiOTANBgkqhkiG9w0BAQsFADBaMQswCQYDVQQGEwJO +TDEeMBwGA1UECgwVU3RhYXQgZGVyIE5lZGVybGFuZGVuMSswKQYDVQQDDCJTdGFh +dCBkZXIgTmVkZXJsYW5kZW4gUm9vdCBDQSAtIEczMB4XDTEzMTExNDExMjg0MloX +DTI4MTExMzIzMDAwMFowWjELMAkGA1UEBhMCTkwxHjAcBgNVBAoMFVN0YWF0IGRl +ciBOZWRlcmxhbmRlbjErMCkGA1UEAwwiU3RhYXQgZGVyIE5lZGVybGFuZGVuIFJv +b3QgQ0EgLSBHMzCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAL4yolQP +cPssXFnrbMSkUeiFKrPMSjTysF/zDsccPVMeiAho2G89rcKezIJnByeHaHE6n3WW +IkYFsO2tx1ueKt6c/DrGlaf1F2cY5y9JCAxcz+bMNO14+1Cx3Gsy8KL+tjzk7FqX +xz8ecAgwoNzFs21v0IJyEavSgWhZghe3eJJg+szeP4TrjTgzkApyI/o1zCZxMdFy +KJLZWyNtZrVtB0LrpjPOktvA9mxjeM3KTj215VKb8b475lRgsGYeCasH/lSJEULR +9yS6YHgamPfJEf0WwTUaVHXvQ9Plrk7O53vDxk5hUUurmkVLoR9BvUhTFXFkC4az +5S6+zqQbwSmEorXLCCN2QyIkHxcE1G6cxvx/K2Ya7Irl1s9N9WMJtxU51nus6+N8 +6U78dULI7ViVDAZCopz35HCz33JvWjdAidiFpNfxC95DGdRKWCyMijmev4SH8RY7 +Ngzp07TKbBlBUgmhHbBqv4LvcFEhMtwFdozL92TkA1CvjJFnq8Xy7ljY3r735zHP +bMk7ccHViLVlvMDoFxcHErVc0qsgk7TmgoNwNsXNo42ti+yjwUOH5kPiNL6VizXt 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Nederlanden EV Root CA O=Staat der Nederlanden +# Subject: CN=Staat der Nederlanden EV Root CA O=Staat der Nederlanden +# Label: "Staat der Nederlanden EV Root CA" +# Serial: 10000013 +# MD5 Fingerprint: fc:06:af:7b:e8:1a:f1:9a:b4:e8:d2:70:1f:c0:f5:ba +# SHA1 Fingerprint: 76:e2:7e:c1:4f:db:82:c1:c0:a6:75:b5:05:be:3d:29:b4:ed:db:bb +# SHA256 Fingerprint: 4d:24:91:41:4c:fe:95:67:46:ec:4c:ef:a6:cf:6f:72:e2:8a:13:29:43:2f:9d:8a:90:7a:c4:cb:5d:ad:c1:5a +-----BEGIN CERTIFICATE----- +MIIFcDCCA1igAwIBAgIEAJiWjTANBgkqhkiG9w0BAQsFADBYMQswCQYDVQQGEwJO +TDEeMBwGA1UECgwVU3RhYXQgZGVyIE5lZGVybGFuZGVuMSkwJwYDVQQDDCBTdGFh +dCBkZXIgTmVkZXJsYW5kZW4gRVYgUm9vdCBDQTAeFw0xMDEyMDgxMTE5MjlaFw0y +MjEyMDgxMTEwMjhaMFgxCzAJBgNVBAYTAk5MMR4wHAYDVQQKDBVTdGFhdCBkZXIg +TmVkZXJsYW5kZW4xKTAnBgNVBAMMIFN0YWF0IGRlciBOZWRlcmxhbmRlbiBFViBS +b290IENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA48d+ifkkSzrS +M4M1LGns3Amk41GoJSt5uAg94JG6hIXGhaTK5skuU6TJJB79VWZxXSzFYGgEt9nC 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CERTIFICATE----- +MIIFYDCCA0igAwIBAgIQCgFCgAAAAUUjyES1AAAAAjANBgkqhkiG9w0BAQsFADBK +MQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0MScwJQYDVQQDEx5JZGVu +VHJ1c3QgQ29tbWVyY2lhbCBSb290IENBIDEwHhcNMTQwMTE2MTgxMjIzWhcNMzQw +MTE2MTgxMjIzWjBKMQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0MScw +JQYDVQQDEx5JZGVuVHJ1c3QgQ29tbWVyY2lhbCBSb290IENBIDEwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQCnUBneP5k91DNG8W9RYYKyqU+PZ4ldhNlT +3Qwo2dfw/66VQ3KZ+bVdfIrBQuExUHTRgQ18zZshq0PirK1ehm7zCYofWjK9ouuU ++ehcCuz/mNKvcbO0U59Oh++SvL3sTzIwiEsXXlfEU8L2ApeN2WIrvyQfYo3fw7gp +S0l4PJNgiCL8mdo2yMKi1CxUAGc1bnO/AljwpN3lsKImesrgNqUZFvX9t++uP0D1 +bVoE/c40yiTcdCMbXTMTEl3EASX2MN0CXZ/g1Ue9tOsbobtJSdifWwLziuQkkORi +T0/Br4sOdBeo0XKIanoBScy0RnnGF7HamB4HWfp1IYVl3ZBWzvurpWCdxJ35UrCL +vYf5jysjCiN2O/cz4ckA82n5S6LgTrx+kzmEB/dEcH7+B1rlsazRGMzyNeVJSQjK +Vsk9+w8YfYs7wRPCTY/JTw436R+hDmrfYi7LNQZReSzIJTj0+kuniVyc0uMNOYZK +dHzVWYfCP04MXFL0PfdSgvHqo6z9STQaKPNBiDoT7uje/5kdX7rL6B7yuVBgwDHT 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+ +# Issuer: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust +# Subject: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust +# Label: "IdenTrust Public Sector Root CA 1" +# Serial: 13298821034946342390521976156843933698 +# MD5 Fingerprint: 37:06:a5:b0:fc:89:9d:ba:f4:6b:8c:1a:64:cd:d5:ba +# SHA1 Fingerprint: ba:29:41:60:77:98:3f:f4:f3:ef:f2:31:05:3b:2e:ea:6d:4d:45:fd +# SHA256 Fingerprint: 30:d0:89:5a:9a:44:8a:26:20:91:63:55:22:d1:f5:20:10:b5:86:7a:ca:e1:2c:78:ef:95:8f:d4:f4:38:9f:2f +-----BEGIN CERTIFICATE----- +MIIFZjCCA06gAwIBAgIQCgFCgAAAAUUjz0Z8AAAAAjANBgkqhkiG9w0BAQsFADBN +MQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0MSowKAYDVQQDEyFJZGVu +VHJ1c3QgUHVibGljIFNlY3RvciBSb290IENBIDEwHhcNMTQwMTE2MTc1MzMyWhcN +MzQwMTE2MTc1MzMyWjBNMQswCQYDVQQGEwJVUzESMBAGA1UEChMJSWRlblRydXN0 +MSowKAYDVQQDEyFJZGVuVHJ1c3QgUHVibGljIFNlY3RvciBSb290IENBIDEwggIi +MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC2IpT8pEiv6EdrCvsnduTyP4o7 +ekosMSqMjbCpwzFrqHd2hCa2rIFCDQjrVVi7evi8ZX3yoG2LqEfpYnYeEe4IFNGy 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OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - G2" +# Serial: 1246989352 +# MD5 Fingerprint: 4b:e2:c9:91:96:65:0c:f4:0e:5a:93:92:a0:0a:fe:b2 +# SHA1 Fingerprint: 8c:f4:27:fd:79:0c:3a:d1:66:06:8d:e8:1e:57:ef:bb:93:22:72:d4 +# SHA256 Fingerprint: 43:df:57:74:b0:3e:7f:ef:5f:e4:0d:93:1a:7b:ed:f1:bb:2e:6b:42:73:8c:4e:6d:38:41:10:3d:3a:a7:f3:39 +-----BEGIN CERTIFICATE----- +MIIEPjCCAyagAwIBAgIESlOMKDANBgkqhkiG9w0BAQsFADCBvjELMAkGA1UEBhMC +VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50 +cnVzdC5uZXQvbGVnYWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDA5IEVudHJ1c3Qs +IEluYy4gLSBmb3IgYXV0aG9yaXplZCB1c2Ugb25seTEyMDAGA1UEAxMpRW50cnVz +dCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IC0gRzIwHhcNMDkwNzA3MTcy +NTU0WhcNMzAxMjA3MTc1NTU0WjCBvjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUVu +dHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50cnVzdC5uZXQvbGVnYWwt +dGVybXMxOTA3BgNVBAsTMChjKSAyMDA5IEVudHJ1c3QsIEluYy4gLSBmb3IgYXV0 +aG9yaXplZCB1c2Ugb25seTEyMDAGA1UEAxMpRW50cnVzdCBSb290IENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5IC0gRzIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK +AoIBAQC6hLZy254Ma+KZ6TABp3bqMriVQRrJ2mFOWHLP/vaCeb9zYQYKpSfYs1/T +RU4cctZOMvJyig/3gxnQaoCAAEUesMfnmr8SVycco2gvCoe9amsOXmXzHHfV1IWN +cCG0szLni6LVhjkCsbjSR87kyUnEO6fe+1R9V77w6G7CebI6C1XiUJgWMhNcL3hW +wcKUs/Ja5CeanyTXxuzQmyWC48zCxEXFjJd6BmsqEZ+pCm5IO2/b1BEZQvePB7/1 +U1+cPvQXLOZprE4yTGJ36rfo5bs0vBmLrpxR57d+tVOxMyLlbc9wPBr64ptntoP0 +jaWvYkxN4FisZDQSA/i2jZRjJKRxAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAP +BgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBRqciZ60B7vfec7aVHUbI2fkBJmqzAN +BgkqhkiG9w0BAQsFAAOCAQEAeZ8dlsa2eT8ijYfThwMEYGprmi5ZiXMRrEPR9RP/ +jTkrwPK9T3CMqS/qF8QLVJ7UG5aYMzyorWKiAHarWWluBh1+xLlEjZivEtRh2woZ +Rkfz6/djwUAFQKXSt/S1mja/qYh2iARVBCuch38aNzx+LaUa2NSJXsq9rD1s2G2v +1fN2D807iDginWyTmsQ9v4IbZT+mD12q/OWyFcq1rca8PdCE6OoGcrBNOTJ4vz4R +nAuknZoh8/CbCzB428Hch0P+vGOaysXCHMnHjf87ElgI5rY97HosTvuDls4MPGmH +VHOkc8KT/1EQrBVUAdj8BbGJoX90g5pJ19xOe4pIb4tF9g== +-----END CERTIFICATE----- + +# Issuer: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - EC1" +# Serial: 51543124481930649114116133369 +# MD5 Fingerprint: b6:7e:1d:f0:58:c5:49:6c:24:3b:3d:ed:98:18:ed:bc +# SHA1 Fingerprint: 20:d8:06:40:df:9b:25:f5:12:25:3a:11:ea:f7:59:8a:eb:14:b5:47 +# SHA256 Fingerprint: 02:ed:0e:b2:8c:14:da:45:16:5c:56:67:91:70:0d:64:51:d7:fb:56:f0:b2:ab:1d:3b:8e:b0:70:e5:6e:df:f5 +-----BEGIN CERTIFICATE----- +MIIC+TCCAoCgAwIBAgINAKaLeSkAAAAAUNCR+TAKBggqhkjOPQQDAzCBvzELMAkG +A1UEBhMCVVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3 +d3cuZW50cnVzdC5uZXQvbGVnYWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDEyIEVu +dHJ1c3QsIEluYy4gLSBmb3IgYXV0aG9yaXplZCB1c2Ugb25seTEzMDEGA1UEAxMq +RW50cnVzdCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IC0gRUMxMB4XDTEy +MTIxODE1MjUzNloXDTM3MTIxODE1NTUzNlowgb8xCzAJBgNVBAYTAlVTMRYwFAYD +VQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQLEx9TZWUgd3d3LmVudHJ1c3QubmV0 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Authority +# Subject: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: 81:e5:b4:17:eb:c2:f5:e1:4b:0d:41:7b:49:92:fe:ef +# SHA1 Fingerprint: 9f:f1:71:8d:92:d5:9a:f3:7d:74:97:b4:bc:6f:84:68:0b:ba:b6:66 +# SHA256 Fingerprint: 44:b5:45:aa:8a:25:e6:5a:73:ca:15:dc:27:fc:36:d2:4c:1c:b9:95:3a:06:65:39:b1:15:82:dc:48:7b:48:33 +-----BEGIN CERTIFICATE----- +MIICwzCCAkqgAwIBAgIBADAKBggqhkjOPQQDAjCBqjELMAkGA1UEBhMCR1IxDzAN +BgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxRDBCBgNVBAMTO0hl +bGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgRUNDIFJv +b3RDQSAyMDE1MB4XDTE1MDcwNzEwMzcxMloXDTQwMDYzMDEwMzcxMlowgaoxCzAJ +BgNVBAYTAkdSMQ8wDQYDVQQHEwZBdGhlbnMxRDBCBgNVBAoTO0hlbGxlbmljIEFj +YWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgQ2VydC4gQXV0aG9yaXR5 +MUQwQgYDVQQDEztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0 +dXRpb25zIEVDQyBSb290Q0EgMjAxNTB2MBAGByqGSM49AgEGBSuBBAAiA2IABJKg 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+# Serial: 485876308206448804701554682760554759 +# MD5 Fingerprint: e2:09:04:b4:d3:bd:d1:a0:14:fd:1a:d2:47:c4:57:1d +# SHA1 Fingerprint: ec:50:35:07:b2:15:c4:95:62:19:e2:a8:9a:5b:42:99:2c:4c:2c:20 +# SHA256 Fingerprint: eb:c5:57:0c:29:01:8c:4d:67:b1:aa:12:7b:af:12:f7:03:b4:61:1e:bc:17:b7:da:b5:57:38:94:17:9b:93:fa +-----BEGIN CERTIFICATE----- +MIIFgzCCA2ugAwIBAgIPXZONMGc2yAYdGsdUhGkHMA0GCSqGSIb3DQEBCwUAMDsx +CzAJBgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJ +WiBGTk1ULVJDTTAeFw0wODEwMjkxNTU5NTZaFw0zMDAxMDEwMDAwMDBaMDsxCzAJ +BgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJWiBG +Tk1ULVJDTTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALpxgHpMhm5/ +yBNtwMZ9HACXjywMI7sQmkCpGreHiPibVmr75nuOi5KOpyVdWRHbNi63URcfqQgf +BBckWKo3Shjf5TnUV/3XwSyRAZHiItQDwFj8d0fsjz50Q7qsNI1NOHZnjrDIbzAz +WHFctPVrbtQBULgTfmxKo0nRIBnuvMApGGWn3v7v3QqQIecaZ5JCEJhfTzC8PhxF +tBDXaEAUwED653cXeuYLj2VbPNmaUtu1vZ5Gzz3rkQUCwJaydkxNEJY7kvqcfw+Z 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59914338225734147123941058376788110305822489521 +# MD5 Fingerprint: b2:e1:09:00:61:af:f7:f1:91:6f:c4:ad:8d:5e:3b:7c +# SHA1 Fingerprint: 1e:0e:56:19:0a:d1:8b:25:98:b2:04:44:ff:66:8a:04:17:99:5f:3f +# SHA256 Fingerprint: 54:45:5f:71:29:c2:0b:14:47:c4:18:f9:97:16:8f:24:c5:8f:c5:02:3b:f5:da:5b:e2:eb:6e:1d:d8:90:2e:d5 +-----BEGIN CERTIFICATE----- +MIIFwzCCA6ugAwIBAgIUCn6m30tEntpqJIWe5rgV0xZ/u7EwDQYJKoZIhvcNAQEL +BQAwRjELMAkGA1UEBhMCTFUxFjAUBgNVBAoMDUx1eFRydXN0IFMuQS4xHzAdBgNV +BAMMFkx1eFRydXN0IEdsb2JhbCBSb290IDIwHhcNMTUwMzA1MTMyMTU3WhcNMzUw +MzA1MTMyMTU3WjBGMQswCQYDVQQGEwJMVTEWMBQGA1UECgwNTHV4VHJ1c3QgUy5B +LjEfMB0GA1UEAwwWTHV4VHJ1c3QgR2xvYmFsIFJvb3QgMjCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBANeFl78RmOnwYoNMPIf5U2o3C/IPPIfOb9wmKb3F +ibrJgz337spbxm1Jc7TJRqMbNBM/wYlFV/TZsfs2ZUv7COJIcRHIbjuend+JZTem +hfY7RBi2xjcwYkSSl2l9QjAk5A0MiWtj3sXh306pFGxT4GHO9hcvHTy95iJMHZP1 +EMShduxq3sVs35a0VkBCwGKSMKEtFZSg0iAGCW5qbeXrt77U8PEVfIvmTroTzEsn 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31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca +# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16 +-----BEGIN CERTIFICATE----- +MIIEYzCCA0ugAwIBAgIBATANBgkqhkiG9w0BAQsFADCB0jELMAkGA1UEBhMCVFIx +GDAWBgNVBAcTD0dlYnplIC0gS29jYWVsaTFCMEAGA1UEChM5VHVya2l5ZSBCaWxp +bXNlbCB2ZSBUZWtub2xvamlrIEFyYXN0aXJtYSBLdXJ1bXUgLSBUVUJJVEFLMS0w +KwYDVQQLEyRLYW11IFNlcnRpZmlrYXN5b24gTWVya2V6aSAtIEthbXUgU00xNjA0 +BgNVBAMTLVRVQklUQUsgS2FtdSBTTSBTU0wgS29rIFNlcnRpZmlrYXNpIC0gU3Vy +dW0gMTAeFw0xMzExMjUwODI1NTVaFw00MzEwMjUwODI1NTVaMIHSMQswCQYDVQQG +EwJUUjEYMBYGA1UEBxMPR2ViemUgLSBLb2NhZWxpMUIwQAYDVQQKEzlUdXJraXll +IEJpbGltc2VsIHZlIFRla25vbG9qaWsgQXJhc3Rpcm1hIEt1cnVtdSAtIFRVQklU +QUsxLTArBgNVBAsTJEthbXUgU2VydGlmaWthc3lvbiBNZXJrZXppIC0gS2FtdSBT +TTE2MDQGA1UEAxMtVFVCSVRBSyBLYW11IFNNIFNTTCBLb2sgU2VydGlmaWthc2kg +LSBTdXJ1bSAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr3UwM6q7 +a9OZLBI3hNmNe5eA027n/5tQlT6QlVZC1xl8JoSNkvoBHToP4mQ4t4y86Ij5iySr 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9009899650740120186 +# MD5 Fingerprint: 63:cc:d9:3d:34:35:5c:6f:53:a3:e2:08:70:48:1f:b4 +# SHA1 Fingerprint: 0f:36:38:5b:81:1a:25:c3:9b:31:4e:83:ca:e9:34:66:70:cc:74:b4 +# SHA256 Fingerprint: bf:ff:8f:d0:44:33:48:7d:6a:8a:a6:0c:1a:29:76:7a:9f:c2:bb:b0:5e:42:0f:71:3a:13:b9:92:89:1d:38:93 +-----BEGIN CERTIFICATE----- +MIIFiDCCA3CgAwIBAgIIfQmX/vBH6nowDQYJKoZIhvcNAQELBQAwYjELMAkGA1UE +BhMCQ04xMjAwBgNVBAoMKUdVQU5HIERPTkcgQ0VSVElGSUNBVEUgQVVUSE9SSVRZ +IENPLixMVEQuMR8wHQYDVQQDDBZHRENBIFRydXN0QVVUSCBSNSBST09UMB4XDTE0 +MTEyNjA1MTMxNVoXDTQwMTIzMTE1NTk1OVowYjELMAkGA1UEBhMCQ04xMjAwBgNV +BAoMKUdVQU5HIERPTkcgQ0VSVElGSUNBVEUgQVVUSE9SSVRZIENPLixMVEQuMR8w +HQYDVQQDDBZHRENBIFRydXN0QVVUSCBSNSBST09UMIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA2aMW8Mh0dHeb7zMNOwZ+Vfy1YI92hhJCfVZmPoiC7XJj +Dp6L3TQsAlFRwxn9WVSEyfFrs0yw6ehGXTjGoqcuEVe6ghWinI9tsJlKCvLriXBj +TnnEt1u9ol2x8kECK62pOqPseQrsXzrj/e+APK00mxqriCZ7VqKChh/rNYmDf1+u +KU49tm7srsHwJ5uu4/Ts765/94Y9cnrrpftZTqfrlYwiOXnhLQiPzLyRuEH3FMEj 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OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-1" +# Serial: 15752444095811006489 +# MD5 Fingerprint: 6e:85:f1:dc:1a:00:d3:22:d5:b2:b2:ac:6b:37:05:45 +# SHA1 Fingerprint: ff:bd:cd:e7:82:c8:43:5e:3c:6f:26:86:5c:ca:a8:3a:45:5b:c3:0a +# SHA256 Fingerprint: d4:0e:9c:86:cd:8f:e4:68:c1:77:69:59:f4:9e:a7:74:fa:54:86:84:b6:c4:06:f3:90:92:61:f4:dc:e2:57:5c +-----BEGIN CERTIFICATE----- +MIIEMDCCAxigAwIBAgIJANqb7HHzA7AZMA0GCSqGSIb3DQEBCwUAMIGkMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRydXN0Q29y +IFJvb3RDZXJ0IENBLTEwHhcNMTYwMjA0MTIzMjE2WhcNMjkxMjMxMTcyMzE2WjCB +pDELMAkGA1UEBhMCUEExDzANBgNVBAgMBlBhbmFtYTEUMBIGA1UEBwwLUGFuYW1h +IENpdHkxJDAiBgNVBAoMG1RydXN0Q29yIFN5c3RlbXMgUy4gZGUgUi5MLjEnMCUG +A1UECwweVHJ1c3RDb3IgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MR8wHQYDVQQDDBZU +cnVzdENvciBSb290Q2VydCBDQS0xMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB +CgKCAQEAv463leLCJhJrMxnHQFgKq1mqjQCj/IDHUHuO1CAmujIS2CNUSSUQIpid +RtLByZ5OGy4sDjjzGiVoHKZaBeYei0i/mJZ0PmnK6bV4pQa81QBeCQryJ3pS/C3V +seq0iWEk8xoT26nPUu0MJLq5nux+AHT6k61sKZKuUbS701e/s/OojZz0JEsq1pme +9J7+wH5COucLlVPat2gOkEz7cD+PSiyU8ybdY2mplNgQTsVHCJCZGxdNuWxu72CV +EY4hgLW9oHPY0LJ3xEXqWib7ZnZ2+AYfYW0PVcWDtxBWcgYHpfOxGgMFZA6dWorW +hnAbJN7+KIor0Gqw/Hqi3LJ5DotlDwIDAQABo2MwYTAdBgNVHQ4EFgQU7mtJPHo/ +DeOxCbeKyKsZn3MzUOcwHwYDVR0jBBgwFoAU7mtJPHo/DeOxCbeKyKsZn3MzUOcw +DwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYwDQYJKoZIhvcNAQELBQAD +ggEBACUY1JGPE+6PHh0RU9otRCkZoB5rMZ5NDp6tPVxBb5UrJKF5mDo4Nvu7Zp5I +/5CQ7z3UuJu0h3U/IJvOcs+hVcFNZKIZBqEHMwwLKeXx6quj7LUKdJDHfXLy11yf +ke+Ri7fc7Waiz45mO7yfOgLgJ90WmMCV1Aqk5IGadZQ1nJBfiDcGrVmVCrDRZ9MZ +yonnMlo2HD6CqFqTvsbQZJG2z9m2GM/bftJlo6bEjhcxwft+dtvTheNYsnd6djts +L1Ac59v2Z3kf9YKVmgenFK+P3CghZwnS1k1aHBkcjndcw5QkPTJrS37UeJSDvjdN +zl/HHk484IkzlQsPpTLWPFp5LBk= +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-2" +# Serial: 2711694510199101698 +# MD5 Fingerprint: a2:e1:f8:18:0b:ba:45:d5:c7:41:2a:bb:37:52:45:64 +# SHA1 Fingerprint: b8:be:6d:cb:56:f1:55:b9:63:d4:12:ca:4e:06:34:c7:94:b2:1c:c0 +# SHA256 Fingerprint: 07:53:e9:40:37:8c:1b:d5:e3:83:6e:39:5d:ae:a5:cb:83:9e:50:46:f1:bd:0e:ae:19:51:cf:10:fe:c7:c9:65 +-----BEGIN CERTIFICATE----- +MIIGLzCCBBegAwIBAgIIJaHfyjPLWQIwDQYJKoZIhvcNAQELBQAwgaQxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEfMB0GA1UEAwwWVHJ1c3RDb3Ig +Um9vdENlcnQgQ0EtMjAeFw0xNjAyMDQxMjMyMjNaFw0zNDEyMzExNzI2MzlaMIGk +MQswCQYDVQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEg +Q2l0eTEkMCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYD +VQQLDB5UcnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRy +dXN0Q29yIFJvb3RDZXJ0IENBLTIwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQCnIG7CKqJiJJWQdsg4foDSq8GbZQWU9MEKENUCrO2fk8eHyLAnK0IMPQo+ +QVqedd2NyuCb7GgypGmSaIwLgQ5WoD4a3SwlFIIvl9NkRvRUqdw6VC0xK5mC8tkq +1+9xALgxpL56JAfDQiDyitSSBBtlVkxs1Pu2YVpHI7TYabS3OtB0PAx1oYxOdqHp +2yqlO/rOsP9+aij9JxzIsekp8VduZLTQwRVtDr4uDkbIXvRR/u8OYzo7cbrPb1nK +DOObXUm4TOJXsZiKQlecdu/vvdFoqNL0Cbt3Nb4lggjEFixEIFapRBF37120Hape +az6LMvYHL1cEksr1/p3C6eizjkxLAjHZ5DxIgif3GIJ2SDpxsROhOdUuxTTCHWKF +3wP+TfSvPd9cW436cOGlfifHhi5qjxLGhF5DUVCcGZt45vz27Ud+ez1m7xMTiF88 +oWP7+ayHNZ/zgp6kPwqcMWmLmaSISo5uZk3vFsQPeSghYA2FFn3XVDjxklb9tTNM +g9zXEJ9L/cb4Qr26fHMC4P99zVvh1Kxhe1fVSntb1IVYJ12/+CtgrKAmrhQhJ8Z3 +mjOAPF5GP/fDsaOGM8boXg25NSyqRsGFAnWAoOsk+xWq5Gd/bnc/9ASKL3x74xdh +8N0JqSDIvgmk0H5Ew7IwSjiqqewYmgeCK9u4nBit2uBGF6zPXQIDAQABo2MwYTAd +BgNVHQ4EFgQU2f4hQG6UnrybPZx9mCAZ5YwwYrIwHwYDVR0jBBgwFoAU2f4hQG6U +nrybPZx9mCAZ5YwwYrIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYw +DQYJKoZIhvcNAQELBQADggIBAJ5Fngw7tu/hOsh80QA9z+LqBrWyOrsGS2h60COX +dKcs8AjYeVrXWoSK2BKaG9l9XE1wxaX5q+WjiYndAfrs3fnpkpfbsEZC89NiqpX+ +MWcUaViQCqoL7jcjx1BRtPV+nuN79+TMQjItSQzL/0kMmx40/W5ulop5A7Zv2wnL +/V9lFDfhOPXzYRZY5LVtDQsEGz9QLX+zx3oaFoBg+Iof6Rsqxvm6ARppv9JYx1RX +CI/hOWB3S6xZhBqI8d3LT3jX5+EzLfzuQfogsL7L9ziUwOHQhQ+77Sxzq+3+knYa +ZH9bDTMJBzN7Bj8RpFxwPIXAz+OQqIN3+tvmxYxoZxBnpVIt8MSZj3+/0WvitUfW +2dCFmU2Umw9Lje4AWkcdEQOsQRivh7dvDDqPys/cA8GiCcjl/YBeyGBCARsaU1q7 +N6a3vLqE6R5sGtRk2tRD/pOLS/IseRYQ1JMLiI+h2IYURpFHmygk71dSTlxCnKr3 +Sewn6EAes6aJInKc9Q0ztFijMDvd1GpUk74aTfOTlPf8hAs/hCBcNANExdqtvArB +As8e5ZTZ845b2EzwnexhF7sUMlQMAimTHpKG9n/v55IFDlndmQguLvqcAFLTxWYp +5KeXRKQOKIETNcX2b2TmQcTVL8w0RSXPQQCWPUouwpaYT05KnJe32x+SMsj/D1Fu +1uwJ +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor ECA-1" +# Serial: 9548242946988625984 +# MD5 Fingerprint: 27:92:23:1d:0a:f5:40:7c:e9:e6:6b:9d:d8:f5:e7:6c +# SHA1 Fingerprint: 58:d1:df:95:95:67:6b:63:c0:f0:5b:1c:17:4d:8b:84:0b:c8:78:bd +# SHA256 Fingerprint: 5a:88:5d:b1:9c:01:d9:12:c5:75:93:88:93:8c:af:bb:df:03:1a:b2:d4:8e:91:ee:15:58:9b:42:97:1d:03:9c +-----BEGIN CERTIFICATE----- +MIIEIDCCAwigAwIBAgIJAISCLF8cYtBAMA0GCSqGSIb3DQEBCwUAMIGcMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxFzAVBgNVBAMMDlRydXN0Q29y +IEVDQS0xMB4XDTE2MDIwNDEyMzIzM1oXDTI5MTIzMTE3MjgwN1owgZwxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEXMBUGA1UEAwwOVHJ1c3RDb3Ig +RUNBLTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDPj+ARtZ+odnbb 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Certification Authority RSA O=SSL Corporation +# Label: "SSL.com Root Certification Authority RSA" +# Serial: 8875640296558310041 +# MD5 Fingerprint: 86:69:12:c0:70:f1:ec:ac:ac:c2:d5:bc:a5:5b:a1:29 +# SHA1 Fingerprint: b7:ab:33:08:d1:ea:44:77:ba:14:80:12:5a:6f:bd:a9:36:49:0c:bb +# SHA256 Fingerprint: 85:66:6a:56:2e:e0:be:5c:e9:25:c1:d8:89:0a:6f:76:a8:7e:c1:6d:4d:7d:5f:29:ea:74:19:cf:20:12:3b:69 +-----BEGIN CERTIFICATE----- +MIIF3TCCA8WgAwIBAgIIeyyb0xaAMpkwDQYJKoZIhvcNAQELBQAwfDELMAkGA1UE +BhMCVVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQK +DA9TU0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBSU0EwHhcNMTYwMjEyMTczOTM5WhcNNDEwMjEyMTcz +OTM5WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNv +bSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IFJTQTCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBAPkP3aMrfcvQKv7sZ4Wm5y4bunfh4/WvpOz6Sl2R 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34:17:bb:06:cc:60:07:da:1b:96:1c:92:0b:8a:b4:ce:3f:ad:82:0e:4a:a3:0b:9a:cb:c4:a7:4e:bd:ce:bc:65 +-----BEGIN CERTIFICATE----- +MIICjTCCAhSgAwIBAgIIdebfy8FoW6gwCgYIKoZIzj0EAwIwfDELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZpY2F0 +aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNDAzWhcNNDEwMjEyMTgxNDAz +WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hvdXN0 +b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNvbSBS +b290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49AgEGBSuB +BAAiA2IABEVuqVDEpiM2nl8ojRfLliJkP9x6jh3MCLOicSS6jkm5BBtHllirLZXI +7Z4INcgn64mMU1jrYor+8FsPazFSY0E7ic3s7LaNGdM0B9y7xgZ/wkWV7Mt/qCPg +CemB+vNH06NjMGEwHQYDVR0OBBYEFILRhXMw5zUE044CkvvlpNHEIejNMA8GA1Ud +EwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUgtGFczDnNQTTjgKS++Wk0cQh6M0wDgYD +VR0PAQH/BAQDAgGGMAoGCCqGSM49BAMCA2cAMGQCMG/n61kRpGDPYbCWe+0F+S8T +kdzt5fxQaxFGRrMcIQBiu77D5+jNB5n5DQtdcj7EqgIwH7y6C+IwJPt8bYBVCpk+ 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Authority ECC" +# Serial: 3182246526754555285 +# MD5 Fingerprint: 59:53:22:65:83:42:01:54:c0:ce:42:b9:5a:7c:f2:90 +# SHA1 Fingerprint: 4c:dd:51:a3:d1:f5:20:32:14:b0:c6:c5:32:23:03:91:c7:46:42:6d +# SHA256 Fingerprint: 22:a2:c1:f7:bd:ed:70:4c:c1:e7:01:b5:f4:08:c3:10:88:0f:e9:56:b5:de:2a:4a:44:f9:9c:87:3a:25:a7:c8 +-----BEGIN CERTIFICATE----- +MIIClDCCAhqgAwIBAgIILCmcWxbtBZUwCgYIKoZIzj0EAwIwfzELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xNDAyBgNVBAMMK1NTTC5jb20gRVYgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNTIzWhcNNDEwMjEyMTgx +NTIzWjB/MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjE0MDIGA1UEAwwrU1NMLmNv +bSBFViBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49 +AgEGBSuBBAAiA2IABKoSR5CYG/vvw0AHgyBO8TCCogbR8pKGYfL2IWjKAMTH6kMA +VIbc/R/fALhBYlzccBYy3h+Z1MzFB8gIH2EWB1E9fVwHU+M1OIzfzZ/ZLg1Kthku 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OU=OISTE Foundation Endorsed +# Label: "OISTE WISeKey Global Root GC CA" +# Serial: 44084345621038548146064804565436152554 +# MD5 Fingerprint: a9:d6:b9:2d:2f:93:64:f8:a5:69:ca:91:e9:68:07:23 +# SHA1 Fingerprint: e0:11:84:5e:34:de:be:88:81:b9:9c:f6:16:26:d1:96:1f:c3:b9:31 +# SHA256 Fingerprint: 85:60:f9:1c:36:24:da:ba:95:70:b5:fe:a0:db:e3:6f:f1:1a:83:23:be:94:86:85:4f:b3:f3:4a:55:71:19:8d +-----BEGIN CERTIFICATE----- +MIICaTCCAe+gAwIBAgIQISpWDK7aDKtARb8roi066jAKBggqhkjOPQQDAzBtMQsw +CQYDVQQGEwJDSDEQMA4GA1UEChMHV0lTZUtleTEiMCAGA1UECxMZT0lTVEUgRm91 +bmRhdGlvbiBFbmRvcnNlZDEoMCYGA1UEAxMfT0lTVEUgV0lTZUtleSBHbG9iYWwg +Um9vdCBHQyBDQTAeFw0xNzA1MDkwOTQ4MzRaFw00MjA1MDkwOTU4MzNaMG0xCzAJ +BgNVBAYTAkNIMRAwDgYDVQQKEwdXSVNlS2V5MSIwIAYDVQQLExlPSVNURSBGb3Vu +ZGF0aW9uIEVuZG9yc2VkMSgwJgYDVQQDEx9PSVNURSBXSVNlS2V5IEdsb2JhbCBS +b290IEdDIENBMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAETOlQwMYPchi82PG6s4ni +eUqjFqdrVCTbUf/q9Akkwwsin8tqJ4KBDdLArzHkdIJuyiXZjHWd8dvQmqJLIX4W 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+# Serial: 124779693093741543919145257850076631279 +# MD5 Fingerprint: 80:fe:f0:c4:4a:f0:5c:62:32:9f:1c:ba:78:a9:50:f8 +# SHA1 Fingerprint: 28:f9:78:16:19:7a:ff:18:25:18:aa:44:fe:c1:a0:ce:5c:b6:4c:8a +# SHA256 Fingerprint: 9b:ea:11:c9:76:fe:01:47:64:c1:be:56:a6:f9:14:b5:a5:60:31:7a:bd:99:88:39:33:82:e5:16:1a:a0:49:3c +-----BEGIN CERTIFICATE----- +MIIFRjCCAy6gAwIBAgIQXd+x2lqj7V2+WmUgZQOQ7zANBgkqhkiG9w0BAQsFADA9 +MQswCQYDVQQGEwJDTjERMA8GA1UECgwIVW5pVHJ1c3QxGzAZBgNVBAMMElVDQSBH +bG9iYWwgRzIgUm9vdDAeFw0xNjAzMTEwMDAwMDBaFw00MDEyMzEwMDAwMDBaMD0x +CzAJBgNVBAYTAkNOMREwDwYDVQQKDAhVbmlUcnVzdDEbMBkGA1UEAwwSVUNBIEds +b2JhbCBHMiBSb290MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxeYr +b3zvJgUno4Ek2m/LAfmZmqkywiKHYUGRO8vDaBsGxUypK8FnFyIdK+35KYmToni9 +kmugow2ifsqTs6bRjDXVdfkX9s9FxeV67HeToI8jrg4aA3++1NDtLnurRiNb/yzm +VHqUwCoV8MmNsHo7JOHXaOIxPAYzRrZUEaalLyJUKlgNAQLx+hVRZ2zA+te2G3/R +VogvGjqNO7uCEeBHANBSh6v7hn4PJGtAnTRnvI3HLYZveT6OqTwXS3+wmeOwcWDc 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269714418870597844693661054334862075617 +# MD5 Fingerprint: 0e:5c:30:62:27:eb:5b:bc:d7:ae:62:ba:e9:d5:df:77 +# SHA1 Fingerprint: 2d:0d:52:14:ff:9e:ad:99:24:01:74:20:47:6e:6c:85:27:27:f5:43 +# SHA256 Fingerprint: d4:8d:3d:23:ee:db:50:a4:59:e5:51:97:60:1c:27:77:4b:9d:7b:18:c9:4d:5a:05:95:11:a1:02:50:b9:31:68 +-----BEGIN CERTIFICATE----- +MIIGWzCCBEOgAwIBAgIRAMrpG4nxVQMNo+ZBbcTjpuEwDQYJKoZIhvcNAQELBQAw +WjELMAkGA1UEBhMCRlIxEjAQBgNVBAoMCURoaW15b3RpczEcMBoGA1UECwwTMDAw +MiA0ODE0NjMwODEwMDAzNjEZMBcGA1UEAwwQQ2VydGlnbmEgUm9vdCBDQTAeFw0x +MzEwMDEwODMyMjdaFw0zMzEwMDEwODMyMjdaMFoxCzAJBgNVBAYTAkZSMRIwEAYD +VQQKDAlEaGlteW90aXMxHDAaBgNVBAsMEzAwMDIgNDgxNDYzMDgxMDAwMzYxGTAX +BgNVBAMMEENlcnRpZ25hIFJvb3QgQ0EwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw +ggIKAoICAQDNGDllGlmx6mQWDoyUJJV8g9PFOSbcDO8WV43X2KyjQn+Cyu3NW9sO +ty3tRQgXstmzy9YXUnIo245Onoq2C/mehJpNdt4iKVzSs9IGPjA5qXSjklYcoW9M +CiBtnyN6tMbaLOQdLNyzKNAT8kxOAkmhVECe5uUFoC2EyP+YbNDrihqECB63aCPu +I9Vwzm1RaRDuoXrC0SIxwoKF0vJVdlB8JXrJhFwLrN1CTivngqIkicuQstDuI7pm 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utf-8 -*- + +""" +certifi.py +~~~~~~~~~~ + +This module returns the installation location of cacert.pem. +""" +import os + + +def where(): + f = os.path.dirname(__file__) + + return os.path.join(f, 'cacert.pem') + + +if __name__ == '__main__': + print(where()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/__init__.py new file mode 100644 index 0000000..0f9f820 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/__init__.py @@ -0,0 +1,39 @@ +######################## BEGIN LICENSE BLOCK ######################## +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +from .compat import PY2, PY3 +from .universaldetector import UniversalDetector +from .version import __version__, VERSION + + +def detect(byte_str): + """ + Detect the encoding of the given byte string. + + :param byte_str: The byte sequence to examine. + :type byte_str: ``bytes`` or ``bytearray`` + """ + if not isinstance(byte_str, bytearray): + if not isinstance(byte_str, bytes): + raise TypeError('Expected object of type bytes or bytearray, got: ' + '{0}'.format(type(byte_str))) + else: + byte_str = bytearray(byte_str) + detector = UniversalDetector() + detector.feed(byte_str) + return detector.close() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5freq.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5freq.py new file mode 100644 index 0000000..38f3251 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5freq.py @@ -0,0 +1,386 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Big5 frequency table +# by Taiwan's Mandarin Promotion Council +# <http://www.edu.tw:81/mandr/> +# +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Ideal Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +BIG5_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +#Char to FreqOrder table +BIG5_TABLE_SIZE = 5376 + +BIG5_CHAR_TO_FREQ_ORDER = ( + 1,1801,1506, 255,1431, 198, 9, 82, 6,5008, 177, 202,3681,1256,2821, 110, # 16 +3814, 33,3274, 261, 76, 44,2114, 16,2946,2187,1176, 659,3971, 26,3451,2653, # 32 +1198,3972,3350,4202, 410,2215, 302, 590, 361,1964, 8, 204, 58,4510,5009,1932, # 48 + 63,5010,5011, 317,1614, 75, 222, 159,4203,2417,1480,5012,3555,3091, 224,2822, # 64 +3682, 3, 10,3973,1471, 29,2787,1135,2866,1940, 873, 130,3275,1123, 312,5013, # 80 +4511,2052, 507, 252, 682,5014, 142,1915, 124, 206,2947, 34,3556,3204, 64, 604, # 96 +5015,2501,1977,1978, 155,1991, 645, 641,1606,5016,3452, 337, 72, 406,5017, 80, # 112 + 630, 238,3205,1509, 263, 939,1092,2654, 756,1440,1094,3453, 449, 69,2987, 591, # 128 + 179,2096, 471, 115,2035,1844, 60, 50,2988, 134, 806,1869, 734,2036,3454, 180, # 144 + 995,1607, 156, 537,2907, 688,5018, 319,1305, 779,2145, 514,2379, 298,4512, 359, # 160 +2502, 90,2716,1338, 663, 11, 906,1099,2553, 20,2441, 182, 532,1716,5019, 732, # 176 +1376,4204,1311,1420,3206, 25,2317,1056, 113, 399, 382,1950, 242,3455,2474, 529, # 192 +3276, 475,1447,3683,5020, 117, 21, 656, 810,1297,2300,2334,3557,5021, 126,4205, # 208 + 706, 456, 150, 613,4513, 71,1118,2037,4206, 145,3092, 85, 835, 486,2115,1246, # 224 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,5022,2128,2359, 347,3815, 221, # 240 +3558,3135,5023,1956,1153,4207, 83, 296,1199,3093, 192, 624, 93,5024, 822,1898, # 256 +2823,3136, 795,2065, 991,1554,1542,1592, 27, 43,2867, 859, 139,1456, 860,4514, # 272 + 437, 712,3974, 164,2397,3137, 695, 211,3037,2097, 195,3975,1608,3559,3560,3684, # 288 +3976, 234, 811,2989,2098,3977,2233,1441,3561,1615,2380, 668,2077,1638, 305, 228, # 304 +1664,4515, 467, 415,5025, 262,2099,1593, 239, 108, 300, 200,1033, 512,1247,2078, # 320 +5026,5027,2176,3207,3685,2682, 593, 845,1062,3277, 88,1723,2038,3978,1951, 212, # 336 + 266, 152, 149, 468,1899,4208,4516, 77, 187,5028,3038, 37, 5,2990,5029,3979, # 352 +5030,5031, 39,2524,4517,2908,3208,2079, 55, 148, 74,4518, 545, 483,1474,1029, # 368 +1665, 217,1870,1531,3138,1104,2655,4209, 24, 172,3562, 900,3980,3563,3564,4519, # 384 + 32,1408,2824,1312, 329, 487,2360,2251,2717, 784,2683, 4,3039,3351,1427,1789, # 400 + 188, 109, 499,5032,3686,1717,1790, 888,1217,3040,4520,5033,3565,5034,3352,1520, # 416 +3687,3981, 196,1034, 775,5035,5036, 929,1816, 249, 439, 38,5037,1063,5038, 794, # 432 +3982,1435,2301, 46, 178,3278,2066,5039,2381,5040, 214,1709,4521, 804, 35, 707, # 448 + 324,3688,1601,2554, 140, 459,4210,5041,5042,1365, 839, 272, 978,2262,2580,3456, # 464 +2129,1363,3689,1423, 697, 100,3094, 48, 70,1231, 495,3139,2196,5043,1294,5044, # 480 +2080, 462, 586,1042,3279, 853, 256, 988, 185,2382,3457,1698, 434,1084,5045,3458, # 496 + 314,2625,2788,4522,2335,2336, 569,2285, 637,1817,2525, 757,1162,1879,1616,3459, # 512 + 287,1577,2116, 768,4523,1671,2868,3566,2526,1321,3816, 909,2418,5046,4211, 933, # 528 +3817,4212,2053,2361,1222,4524, 765,2419,1322, 786,4525,5047,1920,1462,1677,2909, # 544 +1699,5048,4526,1424,2442,3140,3690,2600,3353,1775,1941,3460,3983,4213, 309,1369, # 560 +1130,2825, 364,2234,1653,1299,3984,3567,3985,3986,2656, 525,1085,3041, 902,2001, # 576 +1475, 964,4527, 421,1845,1415,1057,2286, 940,1364,3141, 376,4528,4529,1381, 7, # 592 +2527, 983,2383, 336,1710,2684,1846, 321,3461, 559,1131,3042,2752,1809,1132,1313, # 608 + 265,1481,1858,5049, 352,1203,2826,3280, 167,1089, 420,2827, 776, 792,1724,3568, # 624 +4214,2443,3281,5050,4215,5051, 446, 229, 333,2753, 901,3818,1200,1557,4530,2657, # 640 +1921, 395,2754,2685,3819,4216,1836, 125, 916,3209,2626,4531,5052,5053,3820,5054, # 656 +5055,5056,4532,3142,3691,1133,2555,1757,3462,1510,2318,1409,3569,5057,2146, 438, # 672 +2601,2910,2384,3354,1068, 958,3043, 461, 311,2869,2686,4217,1916,3210,4218,1979, # 688 + 383, 750,2755,2627,4219, 274, 539, 385,1278,1442,5058,1154,1965, 384, 561, 210, # 704 + 98,1295,2556,3570,5059,1711,2420,1482,3463,3987,2911,1257, 129,5060,3821, 642, # 720 + 523,2789,2790,2658,5061, 141,2235,1333, 68, 176, 441, 876, 907,4220, 603,2602, # 736 + 710, 171,3464, 404, 549, 18,3143,2398,1410,3692,1666,5062,3571,4533,2912,4534, # 752 +5063,2991, 368,5064, 146, 366, 99, 871,3693,1543, 748, 807,1586,1185, 22,2263, # 768 + 379,3822,3211,5065,3212, 505,1942,2628,1992,1382,2319,5066, 380,2362, 218, 702, # 784 +1818,1248,3465,3044,3572,3355,3282,5067,2992,3694, 930,3283,3823,5068, 59,5069, # 800 + 585, 601,4221, 497,3466,1112,1314,4535,1802,5070,1223,1472,2177,5071, 749,1837, # 816 + 690,1900,3824,1773,3988,1476, 429,1043,1791,2236,2117, 917,4222, 447,1086,1629, # 832 +5072, 556,5073,5074,2021,1654, 844,1090, 105, 550, 966,1758,2828,1008,1783, 686, # 848 +1095,5075,2287, 793,1602,5076,3573,2603,4536,4223,2948,2302,4537,3825, 980,2503, # 864 + 544, 353, 527,4538, 908,2687,2913,5077, 381,2629,1943,1348,5078,1341,1252, 560, # 880 +3095,5079,3467,2870,5080,2054, 973, 886,2081, 143,4539,5081,5082, 157,3989, 496, # 896 +4224, 57, 840, 540,2039,4540,4541,3468,2118,1445, 970,2264,1748,1966,2082,4225, # 912 +3144,1234,1776,3284,2829,3695, 773,1206,2130,1066,2040,1326,3990,1738,1725,4226, # 928 + 279,3145, 51,1544,2604, 423,1578,2131,2067, 173,4542,1880,5083,5084,1583, 264, # 944 + 610,3696,4543,2444, 280, 154,5085,5086,5087,1739, 338,1282,3096, 693,2871,1411, # 960 +1074,3826,2445,5088,4544,5089,5090,1240, 952,2399,5091,2914,1538,2688, 685,1483, # 976 +4227,2475,1436, 953,4228,2055,4545, 671,2400, 79,4229,2446,3285, 608, 567,2689, # 992 +3469,4230,4231,1691, 393,1261,1792,2401,5092,4546,5093,5094,5095,5096,1383,1672, # 1008 +3827,3213,1464, 522,1119, 661,1150, 216, 675,4547,3991,1432,3574, 609,4548,2690, # 1024 +2402,5097,5098,5099,4232,3045, 0,5100,2476, 315, 231,2447, 301,3356,4549,2385, # 1040 +5101, 233,4233,3697,1819,4550,4551,5102, 96,1777,1315,2083,5103, 257,5104,1810, # 1056 +3698,2718,1139,1820,4234,2022,1124,2164,2791,1778,2659,5105,3097, 363,1655,3214, # 1072 +5106,2993,5107,5108,5109,3992,1567,3993, 718, 103,3215, 849,1443, 341,3357,2949, # 1088 +1484,5110,1712, 127, 67, 339,4235,2403, 679,1412, 821,5111,5112, 834, 738, 351, # 1104 +2994,2147, 846, 235,1497,1881, 418,1993,3828,2719, 186,1100,2148,2756,3575,1545, # 1120 +1355,2950,2872,1377, 583,3994,4236,2581,2995,5113,1298,3699,1078,2557,3700,2363, # 1136 + 78,3829,3830, 267,1289,2100,2002,1594,4237, 348, 369,1274,2197,2178,1838,4552, # 1152 +1821,2830,3701,2757,2288,2003,4553,2951,2758, 144,3358, 882,4554,3995,2759,3470, # 1168 +4555,2915,5114,4238,1726, 320,5115,3996,3046, 788,2996,5116,2831,1774,1327,2873, # 1184 +3997,2832,5117,1306,4556,2004,1700,3831,3576,2364,2660, 787,2023, 506, 824,3702, # 1200 + 534, 323,4557,1044,3359,2024,1901, 946,3471,5118,1779,1500,1678,5119,1882,4558, # 1216 + 165, 243,4559,3703,2528, 123, 683,4239, 764,4560, 36,3998,1793, 589,2916, 816, # 1232 + 626,1667,3047,2237,1639,1555,1622,3832,3999,5120,4000,2874,1370,1228,1933, 891, # 1248 +2084,2917, 304,4240,5121, 292,2997,2720,3577, 691,2101,4241,1115,4561, 118, 662, # 1264 +5122, 611,1156, 854,2386,1316,2875, 2, 386, 515,2918,5123,5124,3286, 868,2238, # 1280 +1486, 855,2661, 785,2216,3048,5125,1040,3216,3578,5126,3146, 448,5127,1525,5128, # 1296 +2165,4562,5129,3833,5130,4242,2833,3579,3147, 503, 818,4001,3148,1568, 814, 676, # 1312 +1444, 306,1749,5131,3834,1416,1030, 197,1428, 805,2834,1501,4563,5132,5133,5134, # 1328 +1994,5135,4564,5136,5137,2198, 13,2792,3704,2998,3149,1229,1917,5138,3835,2132, # 1344 +5139,4243,4565,2404,3580,5140,2217,1511,1727,1120,5141,5142, 646,3836,2448, 307, # 1360 +5143,5144,1595,3217,5145,5146,5147,3705,1113,1356,4002,1465,2529,2530,5148, 519, # 1376 +5149, 128,2133, 92,2289,1980,5150,4003,1512, 342,3150,2199,5151,2793,2218,1981, # 1392 +3360,4244, 290,1656,1317, 789, 827,2365,5152,3837,4566, 562, 581,4004,5153, 401, # 1408 +4567,2252, 94,4568,5154,1399,2794,5155,1463,2025,4569,3218,1944,5156, 828,1105, # 1424 +4245,1262,1394,5157,4246, 605,4570,5158,1784,2876,5159,2835, 819,2102, 578,2200, # 1440 +2952,5160,1502, 436,3287,4247,3288,2836,4005,2919,3472,3473,5161,2721,2320,5162, # 1456 +5163,2337,2068, 23,4571, 193, 826,3838,2103, 699,1630,4248,3098, 390,1794,1064, # 1472 +3581,5164,1579,3099,3100,1400,5165,4249,1839,1640,2877,5166,4572,4573, 137,4250, # 1488 + 598,3101,1967, 780, 104, 974,2953,5167, 278, 899, 253, 402, 572, 504, 493,1339, # 1504 +5168,4006,1275,4574,2582,2558,5169,3706,3049,3102,2253, 565,1334,2722, 863, 41, # 1520 +5170,5171,4575,5172,1657,2338, 19, 463,2760,4251, 606,5173,2999,3289,1087,2085, # 1536 +1323,2662,3000,5174,1631,1623,1750,4252,2691,5175,2878, 791,2723,2663,2339, 232, # 1552 +2421,5176,3001,1498,5177,2664,2630, 755,1366,3707,3290,3151,2026,1609, 119,1918, # 1568 +3474, 862,1026,4253,5178,4007,3839,4576,4008,4577,2265,1952,2477,5179,1125, 817, # 1584 +4254,4255,4009,1513,1766,2041,1487,4256,3050,3291,2837,3840,3152,5180,5181,1507, # 1600 +5182,2692, 733, 40,1632,1106,2879, 345,4257, 841,2531, 230,4578,3002,1847,3292, # 1616 +3475,5183,1263, 986,3476,5184, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562, # 1632 +4010,4011,2954, 967,2761,2665,1349, 592,2134,1692,3361,3003,1995,4258,1679,4012, # 1648 +1902,2188,5185, 739,3708,2724,1296,1290,5186,4259,2201,2202,1922,1563,2605,2559, # 1664 +1871,2762,3004,5187, 435,5188, 343,1108, 596, 17,1751,4579,2239,3477,3709,5189, # 1680 +4580, 294,3582,2955,1693, 477, 979, 281,2042,3583, 643,2043,3710,2631,2795,2266, # 1696 +1031,2340,2135,2303,3584,4581, 367,1249,2560,5190,3585,5191,4582,1283,3362,2005, # 1712 + 240,1762,3363,4583,4584, 836,1069,3153, 474,5192,2149,2532, 268,3586,5193,3219, # 1728 +1521,1284,5194,1658,1546,4260,5195,3587,3588,5196,4261,3364,2693,1685,4262, 961, # 1744 +1673,2632, 190,2006,2203,3841,4585,4586,5197, 570,2504,3711,1490,5198,4587,2633, # 1760 +3293,1957,4588, 584,1514, 396,1045,1945,5199,4589,1968,2449,5200,5201,4590,4013, # 1776 + 619,5202,3154,3294, 215,2007,2796,2561,3220,4591,3221,4592, 763,4263,3842,4593, # 1792 +5203,5204,1958,1767,2956,3365,3712,1174, 452,1477,4594,3366,3155,5205,2838,1253, # 1808 +2387,2189,1091,2290,4264, 492,5206, 638,1169,1825,2136,1752,4014, 648, 926,1021, # 1824 +1324,4595, 520,4596, 997, 847,1007, 892,4597,3843,2267,1872,3713,2405,1785,4598, # 1840 +1953,2957,3103,3222,1728,4265,2044,3714,4599,2008,1701,3156,1551, 30,2268,4266, # 1856 +5207,2027,4600,3589,5208, 501,5209,4267, 594,3478,2166,1822,3590,3479,3591,3223, # 1872 + 829,2839,4268,5210,1680,3157,1225,4269,5211,3295,4601,4270,3158,2341,5212,4602, # 1888 +4271,5213,4015,4016,5214,1848,2388,2606,3367,5215,4603, 374,4017, 652,4272,4273, # 1904 + 375,1140, 798,5216,5217,5218,2366,4604,2269, 546,1659, 138,3051,2450,4605,5219, # 1920 +2254, 612,1849, 910, 796,3844,1740,1371, 825,3845,3846,5220,2920,2562,5221, 692, # 1936 + 444,3052,2634, 801,4606,4274,5222,1491, 244,1053,3053,4275,4276, 340,5223,4018, # 1952 +1041,3005, 293,1168, 87,1357,5224,1539, 959,5225,2240, 721, 694,4277,3847, 219, # 1968 +1478, 644,1417,3368,2666,1413,1401,1335,1389,4019,5226,5227,3006,2367,3159,1826, # 1984 + 730,1515, 184,2840, 66,4607,5228,1660,2958, 246,3369, 378,1457, 226,3480, 975, # 2000 +4020,2959,1264,3592, 674, 696,5229, 163,5230,1141,2422,2167, 713,3593,3370,4608, # 2016 +4021,5231,5232,1186, 15,5233,1079,1070,5234,1522,3224,3594, 276,1050,2725, 758, # 2032 +1126, 653,2960,3296,5235,2342, 889,3595,4022,3104,3007, 903,1250,4609,4023,3481, # 2048 +3596,1342,1681,1718, 766,3297, 286, 89,2961,3715,5236,1713,5237,2607,3371,3008, # 2064 +5238,2962,2219,3225,2880,5239,4610,2505,2533, 181, 387,1075,4024, 731,2190,3372, # 2080 +5240,3298, 310, 313,3482,2304, 770,4278, 54,3054, 189,4611,3105,3848,4025,5241, # 2096 +1230,1617,1850, 355,3597,4279,4612,3373, 111,4280,3716,1350,3160,3483,3055,4281, # 2112 +2150,3299,3598,5242,2797,4026,4027,3009, 722,2009,5243,1071, 247,1207,2343,2478, # 2128 +1378,4613,2010, 864,1437,1214,4614, 373,3849,1142,2220, 667,4615, 442,2763,2563, # 2144 +3850,4028,1969,4282,3300,1840, 837, 170,1107, 934,1336,1883,5244,5245,2119,4283, # 2160 +2841, 743,1569,5246,4616,4284, 582,2389,1418,3484,5247,1803,5248, 357,1395,1729, # 2176 +3717,3301,2423,1564,2241,5249,3106,3851,1633,4617,1114,2086,4285,1532,5250, 482, # 2192 +2451,4618,5251,5252,1492, 833,1466,5253,2726,3599,1641,2842,5254,1526,1272,3718, # 2208 +4286,1686,1795, 416,2564,1903,1954,1804,5255,3852,2798,3853,1159,2321,5256,2881, # 2224 +4619,1610,1584,3056,2424,2764, 443,3302,1163,3161,5257,5258,4029,5259,4287,2506, # 2240 +3057,4620,4030,3162,2104,1647,3600,2011,1873,4288,5260,4289, 431,3485,5261, 250, # 2256 + 97, 81,4290,5262,1648,1851,1558, 160, 848,5263, 866, 740,1694,5264,2204,2843, # 2272 +3226,4291,4621,3719,1687, 950,2479, 426, 469,3227,3720,3721,4031,5265,5266,1188, # 2288 + 424,1996, 861,3601,4292,3854,2205,2694, 168,1235,3602,4293,5267,2087,1674,4622, # 2304 +3374,3303, 220,2565,1009,5268,3855, 670,3010, 332,1208, 717,5269,5270,3603,2452, # 2320 +4032,3375,5271, 513,5272,1209,2882,3376,3163,4623,1080,5273,5274,5275,5276,2534, # 2336 +3722,3604, 815,1587,4033,4034,5277,3605,3486,3856,1254,4624,1328,3058,1390,4035, # 2352 +1741,4036,3857,4037,5278, 236,3858,2453,3304,5279,5280,3723,3859,1273,3860,4625, # 2368 +5281, 308,5282,4626, 245,4627,1852,2480,1307,2583, 430, 715,2137,2454,5283, 270, # 2384 + 199,2883,4038,5284,3606,2727,1753, 761,1754, 725,1661,1841,4628,3487,3724,5285, # 2400 +5286, 587, 14,3305, 227,2608, 326, 480,2270, 943,2765,3607, 291, 650,1884,5287, # 2416 +1702,1226, 102,1547, 62,3488, 904,4629,3489,1164,4294,5288,5289,1224,1548,2766, # 2432 + 391, 498,1493,5290,1386,1419,5291,2056,1177,4630, 813, 880,1081,2368, 566,1145, # 2448 +4631,2291,1001,1035,2566,2609,2242, 394,1286,5292,5293,2069,5294, 86,1494,1730, # 2464 +4039, 491,1588, 745, 897,2963, 843,3377,4040,2767,2884,3306,1768, 998,2221,2070, # 2480 + 397,1827,1195,1970,3725,3011,3378, 284,5295,3861,2507,2138,2120,1904,5296,4041, # 2496 +2151,4042,4295,1036,3490,1905, 114,2567,4296, 209,1527,5297,5298,2964,2844,2635, # 2512 +2390,2728,3164, 812,2568,5299,3307,5300,1559, 737,1885,3726,1210, 885, 28,2695, # 2528 +3608,3862,5301,4297,1004,1780,4632,5302, 346,1982,2222,2696,4633,3863,1742, 797, # 2544 +1642,4043,1934,1072,1384,2152, 896,4044,3308,3727,3228,2885,3609,5303,2569,1959, # 2560 +4634,2455,1786,5304,5305,5306,4045,4298,1005,1308,3728,4299,2729,4635,4636,1528, # 2576 +2610, 161,1178,4300,1983, 987,4637,1101,4301, 631,4046,1157,3229,2425,1343,1241, # 2592 +1016,2243,2570, 372, 877,2344,2508,1160, 555,1935, 911,4047,5307, 466,1170, 169, # 2608 +1051,2921,2697,3729,2481,3012,1182,2012,2571,1251,2636,5308, 992,2345,3491,1540, # 2624 +2730,1201,2071,2406,1997,2482,5309,4638, 528,1923,2191,1503,1874,1570,2369,3379, # 2640 +3309,5310, 557,1073,5311,1828,3492,2088,2271,3165,3059,3107, 767,3108,2799,4639, # 2656 +1006,4302,4640,2346,1267,2179,3730,3230, 778,4048,3231,2731,1597,2667,5312,4641, # 2672 +5313,3493,5314,5315,5316,3310,2698,1433,3311, 131, 95,1504,4049, 723,4303,3166, # 2688 +1842,3610,2768,2192,4050,2028,2105,3731,5317,3013,4051,1218,5318,3380,3232,4052, # 2704 +4304,2584, 248,1634,3864, 912,5319,2845,3732,3060,3865, 654, 53,5320,3014,5321, # 2720 +1688,4642, 777,3494,1032,4053,1425,5322, 191, 820,2121,2846, 971,4643, 931,3233, # 2736 + 135, 664, 783,3866,1998, 772,2922,1936,4054,3867,4644,2923,3234, 282,2732, 640, # 2752 +1372,3495,1127, 922, 325,3381,5323,5324, 711,2045,5325,5326,4055,2223,2800,1937, # 2768 +4056,3382,2224,2255,3868,2305,5327,4645,3869,1258,3312,4057,3235,2139,2965,4058, # 2784 +4059,5328,2225, 258,3236,4646, 101,1227,5329,3313,1755,5330,1391,3314,5331,2924, # 2800 +2057, 893,5332,5333,5334,1402,4305,2347,5335,5336,3237,3611,5337,5338, 878,1325, # 2816 +1781,2801,4647, 259,1385,2585, 744,1183,2272,4648,5339,4060,2509,5340, 684,1024, # 2832 +4306,5341, 472,3612,3496,1165,3315,4061,4062, 322,2153, 881, 455,1695,1152,1340, # 2848 + 660, 554,2154,4649,1058,4650,4307, 830,1065,3383,4063,4651,1924,5342,1703,1919, # 2864 +5343, 932,2273, 122,5344,4652, 947, 677,5345,3870,2637, 297,1906,1925,2274,4653, # 2880 +2322,3316,5346,5347,4308,5348,4309, 84,4310, 112, 989,5349, 547,1059,4064, 701, # 2896 +3613,1019,5350,4311,5351,3497, 942, 639, 457,2306,2456, 993,2966, 407, 851, 494, # 2912 +4654,3384, 927,5352,1237,5353,2426,3385, 573,4312, 680, 921,2925,1279,1875, 285, # 2928 + 790,1448,1984, 719,2168,5354,5355,4655,4065,4066,1649,5356,1541, 563,5357,1077, # 2944 +5358,3386,3061,3498, 511,3015,4067,4068,3733,4069,1268,2572,3387,3238,4656,4657, # 2960 +5359, 535,1048,1276,1189,2926,2029,3167,1438,1373,2847,2967,1134,2013,5360,4313, # 2976 +1238,2586,3109,1259,5361, 700,5362,2968,3168,3734,4314,5363,4315,1146,1876,1907, # 2992 +4658,2611,4070, 781,2427, 132,1589, 203, 147, 273,2802,2407, 898,1787,2155,4071, # 3008 +4072,5364,3871,2803,5365,5366,4659,4660,5367,3239,5368,1635,3872, 965,5369,1805, # 3024 +2699,1516,3614,1121,1082,1329,3317,4073,1449,3873, 65,1128,2848,2927,2769,1590, # 3040 +3874,5370,5371, 12,2668, 45, 976,2587,3169,4661, 517,2535,1013,1037,3240,5372, # 3056 +3875,2849,5373,3876,5374,3499,5375,2612, 614,1999,2323,3877,3110,2733,2638,5376, # 3072 +2588,4316, 599,1269,5377,1811,3735,5378,2700,3111, 759,1060, 489,1806,3388,3318, # 3088 +1358,5379,5380,2391,1387,1215,2639,2256, 490,5381,5382,4317,1759,2392,2348,5383, # 3104 +4662,3878,1908,4074,2640,1807,3241,4663,3500,3319,2770,2349, 874,5384,5385,3501, # 3120 +3736,1859, 91,2928,3737,3062,3879,4664,5386,3170,4075,2669,5387,3502,1202,1403, # 3136 +3880,2969,2536,1517,2510,4665,3503,2511,5388,4666,5389,2701,1886,1495,1731,4076, # 3152 +2370,4667,5390,2030,5391,5392,4077,2702,1216, 237,2589,4318,2324,4078,3881,4668, # 3168 +4669,2703,3615,3504, 445,4670,5393,5394,5395,5396,2771, 61,4079,3738,1823,4080, # 3184 +5397, 687,2046, 935, 925, 405,2670, 703,1096,1860,2734,4671,4081,1877,1367,2704, # 3200 +3389, 918,2106,1782,2483, 334,3320,1611,1093,4672, 564,3171,3505,3739,3390, 945, # 3216 +2641,2058,4673,5398,1926, 872,4319,5399,3506,2705,3112, 349,4320,3740,4082,4674, # 3232 +3882,4321,3741,2156,4083,4675,4676,4322,4677,2408,2047, 782,4084, 400, 251,4323, # 3248 +1624,5400,5401, 277,3742, 299,1265, 476,1191,3883,2122,4324,4325,1109, 205,5402, # 3264 +2590,1000,2157,3616,1861,5403,5404,5405,4678,5406,4679,2573, 107,2484,2158,4085, # 3280 +3507,3172,5407,1533, 541,1301, 158, 753,4326,2886,3617,5408,1696, 370,1088,4327, # 3296 +4680,3618, 579, 327, 440, 162,2244, 269,1938,1374,3508, 968,3063, 56,1396,3113, # 3312 +2107,3321,3391,5409,1927,2159,4681,3016,5410,3619,5411,5412,3743,4682,2485,5413, # 3328 +2804,5414,1650,4683,5415,2613,5416,5417,4086,2671,3392,1149,3393,4087,3884,4088, # 3344 +5418,1076, 49,5419, 951,3242,3322,3323, 450,2850, 920,5420,1812,2805,2371,4328, # 3360 +1909,1138,2372,3885,3509,5421,3243,4684,1910,1147,1518,2428,4685,3886,5422,4686, # 3376 +2393,2614, 260,1796,3244,5423,5424,3887,3324, 708,5425,3620,1704,5426,3621,1351, # 3392 +1618,3394,3017,1887, 944,4329,3395,4330,3064,3396,4331,5427,3744, 422, 413,1714, # 3408 +3325, 500,2059,2350,4332,2486,5428,1344,1911, 954,5429,1668,5430,5431,4089,2409, # 3424 +4333,3622,3888,4334,5432,2307,1318,2512,3114, 133,3115,2887,4687, 629, 31,2851, # 3440 +2706,3889,4688, 850, 949,4689,4090,2970,1732,2089,4335,1496,1853,5433,4091, 620, # 3456 +3245, 981,1242,3745,3397,1619,3746,1643,3326,2140,2457,1971,1719,3510,2169,5434, # 3472 +3246,5435,5436,3398,1829,5437,1277,4690,1565,2048,5438,1636,3623,3116,5439, 869, # 3488 +2852, 655,3890,3891,3117,4092,3018,3892,1310,3624,4691,5440,5441,5442,1733, 558, # 3504 +4692,3747, 335,1549,3065,1756,4336,3748,1946,3511,1830,1291,1192, 470,2735,2108, # 3520 +2806, 913,1054,4093,5443,1027,5444,3066,4094,4693, 982,2672,3399,3173,3512,3247, # 3536 +3248,1947,2807,5445, 571,4694,5446,1831,5447,3625,2591,1523,2429,5448,2090, 984, # 3552 +4695,3749,1960,5449,3750, 852, 923,2808,3513,3751, 969,1519, 999,2049,2325,1705, # 3568 +5450,3118, 615,1662, 151, 597,4095,2410,2326,1049, 275,4696,3752,4337, 568,3753, # 3584 +3626,2487,4338,3754,5451,2430,2275, 409,3249,5452,1566,2888,3514,1002, 769,2853, # 3600 + 194,2091,3174,3755,2226,3327,4339, 628,1505,5453,5454,1763,2180,3019,4096, 521, # 3616 +1161,2592,1788,2206,2411,4697,4097,1625,4340,4341, 412, 42,3119, 464,5455,2642, # 3632 +4698,3400,1760,1571,2889,3515,2537,1219,2207,3893,2643,2141,2373,4699,4700,3328, # 3648 +1651,3401,3627,5456,5457,3628,2488,3516,5458,3756,5459,5460,2276,2092, 460,5461, # 3664 +4701,5462,3020, 962, 588,3629, 289,3250,2644,1116, 52,5463,3067,1797,5464,5465, # 3680 +5466,1467,5467,1598,1143,3757,4342,1985,1734,1067,4702,1280,3402, 465,4703,1572, # 3696 + 510,5468,1928,2245,1813,1644,3630,5469,4704,3758,5470,5471,2673,1573,1534,5472, # 3712 +5473, 536,1808,1761,3517,3894,3175,2645,5474,5475,5476,4705,3518,2929,1912,2809, # 3728 +5477,3329,1122, 377,3251,5478, 360,5479,5480,4343,1529, 551,5481,2060,3759,1769, # 3744 +2431,5482,2930,4344,3330,3120,2327,2109,2031,4706,1404, 136,1468,1479, 672,1171, # 3760 +3252,2308, 271,3176,5483,2772,5484,2050, 678,2736, 865,1948,4707,5485,2014,4098, # 3776 +2971,5486,2737,2227,1397,3068,3760,4708,4709,1735,2931,3403,3631,5487,3895, 509, # 3792 +2854,2458,2890,3896,5488,5489,3177,3178,4710,4345,2538,4711,2309,1166,1010, 552, # 3808 + 681,1888,5490,5491,2972,2973,4099,1287,1596,1862,3179, 358, 453, 736, 175, 478, # 3824 +1117, 905,1167,1097,5492,1854,1530,5493,1706,5494,2181,3519,2292,3761,3520,3632, # 3840 +4346,2093,4347,5495,3404,1193,2489,4348,1458,2193,2208,1863,1889,1421,3331,2932, # 3856 +3069,2182,3521, 595,2123,5496,4100,5497,5498,4349,1707,2646, 223,3762,1359, 751, # 3872 +3121, 183,3522,5499,2810,3021, 419,2374, 633, 704,3897,2394, 241,5500,5501,5502, # 3888 + 838,3022,3763,2277,2773,2459,3898,1939,2051,4101,1309,3122,2246,1181,5503,1136, # 3904 +2209,3899,2375,1446,4350,2310,4712,5504,5505,4351,1055,2615, 484,3764,5506,4102, # 3920 + 625,4352,2278,3405,1499,4353,4103,5507,4104,4354,3253,2279,2280,3523,5508,5509, # 3936 +2774, 808,2616,3765,3406,4105,4355,3123,2539, 526,3407,3900,4356, 955,5510,1620, # 3952 +4357,2647,2432,5511,1429,3766,1669,1832, 994, 928,5512,3633,1260,5513,5514,5515, # 3968 +1949,2293, 741,2933,1626,4358,2738,2460, 867,1184, 362,3408,1392,5516,5517,4106, # 3984 +4359,1770,1736,3254,2934,4713,4714,1929,2707,1459,1158,5518,3070,3409,2891,1292, # 4000 +1930,2513,2855,3767,1986,1187,2072,2015,2617,4360,5519,2574,2514,2170,3768,2490, # 4016 +3332,5520,3769,4715,5521,5522, 666,1003,3023,1022,3634,4361,5523,4716,1814,2257, # 4032 + 574,3901,1603, 295,1535, 705,3902,4362, 283, 858, 417,5524,5525,3255,4717,4718, # 4048 +3071,1220,1890,1046,2281,2461,4107,1393,1599, 689,2575, 388,4363,5526,2491, 802, # 4064 +5527,2811,3903,2061,1405,2258,5528,4719,3904,2110,1052,1345,3256,1585,5529, 809, # 4080 +5530,5531,5532, 575,2739,3524, 956,1552,1469,1144,2328,5533,2329,1560,2462,3635, # 4096 +3257,4108, 616,2210,4364,3180,2183,2294,5534,1833,5535,3525,4720,5536,1319,3770, # 4112 +3771,1211,3636,1023,3258,1293,2812,5537,5538,5539,3905, 607,2311,3906, 762,2892, # 4128 +1439,4365,1360,4721,1485,3072,5540,4722,1038,4366,1450,2062,2648,4367,1379,4723, # 4144 +2593,5541,5542,4368,1352,1414,2330,2935,1172,5543,5544,3907,3908,4724,1798,1451, # 4160 +5545,5546,5547,5548,2936,4109,4110,2492,2351, 411,4111,4112,3637,3333,3124,4725, # 4176 +1561,2674,1452,4113,1375,5549,5550, 47,2974, 316,5551,1406,1591,2937,3181,5552, # 4192 +1025,2142,3125,3182, 354,2740, 884,2228,4369,2412, 508,3772, 726,3638, 996,2433, # 4208 +3639, 729,5553, 392,2194,1453,4114,4726,3773,5554,5555,2463,3640,2618,1675,2813, # 4224 + 919,2352,2975,2353,1270,4727,4115, 73,5556,5557, 647,5558,3259,2856,2259,1550, # 4240 +1346,3024,5559,1332, 883,3526,5560,5561,5562,5563,3334,2775,5564,1212, 831,1347, # 4256 +4370,4728,2331,3909,1864,3073, 720,3910,4729,4730,3911,5565,4371,5566,5567,4731, # 4272 +5568,5569,1799,4732,3774,2619,4733,3641,1645,2376,4734,5570,2938, 669,2211,2675, # 4288 +2434,5571,2893,5572,5573,1028,3260,5574,4372,2413,5575,2260,1353,5576,5577,4735, # 4304 +3183, 518,5578,4116,5579,4373,1961,5580,2143,4374,5581,5582,3025,2354,2355,3912, # 4320 + 516,1834,1454,4117,2708,4375,4736,2229,2620,1972,1129,3642,5583,2776,5584,2976, # 4336 +1422, 577,1470,3026,1524,3410,5585,5586, 432,4376,3074,3527,5587,2594,1455,2515, # 4352 +2230,1973,1175,5588,1020,2741,4118,3528,4737,5589,2742,5590,1743,1361,3075,3529, # 4368 +2649,4119,4377,4738,2295, 895, 924,4378,2171, 331,2247,3076, 166,1627,3077,1098, # 4384 +5591,1232,2894,2231,3411,4739, 657, 403,1196,2377, 542,3775,3412,1600,4379,3530, # 4400 +5592,4740,2777,3261, 576, 530,1362,4741,4742,2540,2676,3776,4120,5593, 842,3913, # 4416 +5594,2814,2032,1014,4121, 213,2709,3413, 665, 621,4380,5595,3777,2939,2435,5596, # 4432 +2436,3335,3643,3414,4743,4381,2541,4382,4744,3644,1682,4383,3531,1380,5597, 724, # 4448 +2282, 600,1670,5598,1337,1233,4745,3126,2248,5599,1621,4746,5600, 651,4384,5601, # 4464 +1612,4385,2621,5602,2857,5603,2743,2312,3078,5604, 716,2464,3079, 174,1255,2710, # 4480 +4122,3645, 548,1320,1398, 728,4123,1574,5605,1891,1197,3080,4124,5606,3081,3082, # 4496 +3778,3646,3779, 747,5607, 635,4386,4747,5608,5609,5610,4387,5611,5612,4748,5613, # 4512 +3415,4749,2437, 451,5614,3780,2542,2073,4388,2744,4389,4125,5615,1764,4750,5616, # 4528 +4390, 350,4751,2283,2395,2493,5617,4391,4126,2249,1434,4127, 488,4752, 458,4392, # 4544 +4128,3781, 771,1330,2396,3914,2576,3184,2160,2414,1553,2677,3185,4393,5618,2494, # 4560 +2895,2622,1720,2711,4394,3416,4753,5619,2543,4395,5620,3262,4396,2778,5621,2016, # 4576 +2745,5622,1155,1017,3782,3915,5623,3336,2313, 201,1865,4397,1430,5624,4129,5625, # 4592 +5626,5627,5628,5629,4398,1604,5630, 414,1866, 371,2595,4754,4755,3532,2017,3127, # 4608 +4756,1708, 960,4399, 887, 389,2172,1536,1663,1721,5631,2232,4130,2356,2940,1580, # 4624 +5632,5633,1744,4757,2544,4758,4759,5634,4760,5635,2074,5636,4761,3647,3417,2896, # 4640 +4400,5637,4401,2650,3418,2815, 673,2712,2465, 709,3533,4131,3648,4402,5638,1148, # 4656 + 502, 634,5639,5640,1204,4762,3649,1575,4763,2623,3783,5641,3784,3128, 948,3263, # 4672 + 121,1745,3916,1110,5642,4403,3083,2516,3027,4132,3785,1151,1771,3917,1488,4133, # 4688 +1987,5643,2438,3534,5644,5645,2094,5646,4404,3918,1213,1407,2816, 531,2746,2545, # 4704 +3264,1011,1537,4764,2779,4405,3129,1061,5647,3786,3787,1867,2897,5648,2018, 120, # 4720 +4406,4407,2063,3650,3265,2314,3919,2678,3419,1955,4765,4134,5649,3535,1047,2713, # 4736 +1266,5650,1368,4766,2858, 649,3420,3920,2546,2747,1102,2859,2679,5651,5652,2000, # 4752 +5653,1111,3651,2977,5654,2495,3921,3652,2817,1855,3421,3788,5655,5656,3422,2415, # 4768 +2898,3337,3266,3653,5657,2577,5658,3654,2818,4135,1460, 856,5659,3655,5660,2899, # 4784 +2978,5661,2900,3922,5662,4408, 632,2517, 875,3923,1697,3924,2296,5663,5664,4767, # 4800 +3028,1239, 580,4768,4409,5665, 914, 936,2075,1190,4136,1039,2124,5666,5667,5668, # 4816 +5669,3423,1473,5670,1354,4410,3925,4769,2173,3084,4137, 915,3338,4411,4412,3339, # 4832 +1605,1835,5671,2748, 398,3656,4413,3926,4138, 328,1913,2860,4139,3927,1331,4414, # 4848 +3029, 937,4415,5672,3657,4140,4141,3424,2161,4770,3425, 524, 742, 538,3085,1012, # 4864 +5673,5674,3928,2466,5675, 658,1103, 225,3929,5676,5677,4771,5678,4772,5679,3267, # 4880 +1243,5680,4142, 963,2250,4773,5681,2714,3658,3186,5682,5683,2596,2332,5684,4774, # 4896 +5685,5686,5687,3536, 957,3426,2547,2033,1931,2941,2467, 870,2019,3659,1746,2780, # 4912 +2781,2439,2468,5688,3930,5689,3789,3130,3790,3537,3427,3791,5690,1179,3086,5691, # 4928 +3187,2378,4416,3792,2548,3188,3131,2749,4143,5692,3428,1556,2549,2297, 977,2901, # 4944 +2034,4144,1205,3429,5693,1765,3430,3189,2125,1271, 714,1689,4775,3538,5694,2333, # 4960 +3931, 533,4417,3660,2184, 617,5695,2469,3340,3539,2315,5696,5697,3190,5698,5699, # 4976 +3932,1988, 618, 427,2651,3540,3431,5700,5701,1244,1690,5702,2819,4418,4776,5703, # 4992 +3541,4777,5704,2284,1576, 473,3661,4419,3432, 972,5705,3662,5706,3087,5707,5708, # 5008 +4778,4779,5709,3793,4145,4146,5710, 153,4780, 356,5711,1892,2902,4420,2144, 408, # 5024 + 803,2357,5712,3933,5713,4421,1646,2578,2518,4781,4782,3934,5714,3935,4422,5715, # 5040 +2416,3433, 752,5716,5717,1962,3341,2979,5718, 746,3030,2470,4783,4423,3794, 698, # 5056 +4784,1893,4424,3663,2550,4785,3664,3936,5719,3191,3434,5720,1824,1302,4147,2715, # 5072 +3937,1974,4425,5721,4426,3192, 823,1303,1288,1236,2861,3542,4148,3435, 774,3938, # 5088 +5722,1581,4786,1304,2862,3939,4787,5723,2440,2162,1083,3268,4427,4149,4428, 344, # 5104 +1173, 288,2316, 454,1683,5724,5725,1461,4788,4150,2597,5726,5727,4789, 985, 894, # 5120 +5728,3436,3193,5729,1914,2942,3795,1989,5730,2111,1975,5731,4151,5732,2579,1194, # 5136 + 425,5733,4790,3194,1245,3796,4429,5734,5735,2863,5736, 636,4791,1856,3940, 760, # 5152 +1800,5737,4430,2212,1508,4792,4152,1894,1684,2298,5738,5739,4793,4431,4432,2213, # 5168 + 479,5740,5741, 832,5742,4153,2496,5743,2980,2497,3797, 990,3132, 627,1815,2652, # 5184 +4433,1582,4434,2126,2112,3543,4794,5744, 799,4435,3195,5745,4795,2113,1737,3031, # 5200 +1018, 543, 754,4436,3342,1676,4796,4797,4154,4798,1489,5746,3544,5747,2624,2903, # 5216 +4155,5748,5749,2981,5750,5751,5752,5753,3196,4799,4800,2185,1722,5754,3269,3270, # 5232 +1843,3665,1715, 481, 365,1976,1857,5755,5756,1963,2498,4801,5757,2127,3666,3271, # 5248 + 433,1895,2064,2076,5758, 602,2750,5759,5760,5761,5762,5763,3032,1628,3437,5764, # 5264 +3197,4802,4156,2904,4803,2519,5765,2551,2782,5766,5767,5768,3343,4804,2905,5769, # 5280 +4805,5770,2864,4806,4807,1221,2982,4157,2520,5771,5772,5773,1868,1990,5774,5775, # 5296 +5776,1896,5777,5778,4808,1897,4158, 318,5779,2095,4159,4437,5780,5781, 485,5782, # 5312 + 938,3941, 553,2680, 116,5783,3942,3667,5784,3545,2681,2783,3438,3344,2820,5785, # 5328 +3668,2943,4160,1747,2944,2983,5786,5787, 207,5788,4809,5789,4810,2521,5790,3033, # 5344 + 890,3669,3943,5791,1878,3798,3439,5792,2186,2358,3440,1652,5793,5794,5795, 941, # 5360 +2299, 208,3546,4161,2020, 330,4438,3944,2906,2499,3799,4439,4811,5796,5797,5798, # 5376 +) + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5prober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5prober.py new file mode 100644 index 0000000..98f9970 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/big5prober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import Big5DistributionAnalysis +from .mbcssm import BIG5_SM_MODEL + + +class Big5Prober(MultiByteCharSetProber): + def __init__(self): + super(Big5Prober, self).__init__() + self.coding_sm = CodingStateMachine(BIG5_SM_MODEL) + self.distribution_analyzer = Big5DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "Big5" + + @property + def language(self): + return "Chinese" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/chardistribution.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/chardistribution.py new file mode 100644 index 0000000..c0395f4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/chardistribution.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .euctwfreq import (EUCTW_CHAR_TO_FREQ_ORDER, EUCTW_TABLE_SIZE, + EUCTW_TYPICAL_DISTRIBUTION_RATIO) +from .euckrfreq import (EUCKR_CHAR_TO_FREQ_ORDER, EUCKR_TABLE_SIZE, + EUCKR_TYPICAL_DISTRIBUTION_RATIO) +from .gb2312freq import (GB2312_CHAR_TO_FREQ_ORDER, GB2312_TABLE_SIZE, + GB2312_TYPICAL_DISTRIBUTION_RATIO) +from .big5freq import (BIG5_CHAR_TO_FREQ_ORDER, BIG5_TABLE_SIZE, + BIG5_TYPICAL_DISTRIBUTION_RATIO) +from .jisfreq import (JIS_CHAR_TO_FREQ_ORDER, JIS_TABLE_SIZE, + JIS_TYPICAL_DISTRIBUTION_RATIO) + + +class CharDistributionAnalysis(object): + ENOUGH_DATA_THRESHOLD = 1024 + SURE_YES = 0.99 + SURE_NO = 0.01 + MINIMUM_DATA_THRESHOLD = 3 + + def __init__(self): + # Mapping table to get frequency order from char order (get from + # GetOrder()) + self._char_to_freq_order = None + self._table_size = None # Size of above table + # This is a constant value which varies from language to language, + # used in calculating confidence. See + # http://www.mozilla.org/projects/intl/UniversalCharsetDetection.html + # for further detail. + self.typical_distribution_ratio = None + self._done = None + self._total_chars = None + self._freq_chars = None + self.reset() + + def reset(self): + """reset analyser, clear any state""" + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + self._total_chars = 0 # Total characters encountered + # The number of characters whose frequency order is less than 512 + self._freq_chars = 0 + + def feed(self, char, char_len): + """feed a character with known length""" + if char_len == 2: + # we only care about 2-bytes character in our distribution analysis + order = self.get_order(char) + else: + order = -1 + if order >= 0: + self._total_chars += 1 + # order is valid + if order < self._table_size: + if 512 > self._char_to_freq_order[order]: + self._freq_chars += 1 + + def get_confidence(self): + """return confidence based on existing data""" + # if we didn't receive any character in our consideration range, + # return negative answer + if self._total_chars <= 0 or self._freq_chars <= self.MINIMUM_DATA_THRESHOLD: + return self.SURE_NO + + if self._total_chars != self._freq_chars: + r = (self._freq_chars / ((self._total_chars - self._freq_chars) + * self.typical_distribution_ratio)) + if r < self.SURE_YES: + return r + + # normalize confidence (we don't want to be 100% sure) + return self.SURE_YES + + def got_enough_data(self): + # It is not necessary to receive all data to draw conclusion. + # For charset detection, certain amount of data is enough + return self._total_chars > self.ENOUGH_DATA_THRESHOLD + + def get_order(self, byte_str): + # We do not handle characters based on the original encoding string, + # but convert this encoding string to a number, here called order. + # This allows multiple encodings of a language to share one frequency + # table. + return -1 + + +class EUCTWDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCTWDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCTW_CHAR_TO_FREQ_ORDER + self._table_size = EUCTW_TABLE_SIZE + self.typical_distribution_ratio = EUCTW_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-TW encoding, we are interested + # first byte range: 0xc4 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xC4: + return 94 * (first_char - 0xC4) + byte_str[1] - 0xA1 + else: + return -1 + + +class EUCKRDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCKRDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER + self._table_size = EUCKR_TABLE_SIZE + self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-KR encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xB0: + return 94 * (first_char - 0xB0) + byte_str[1] - 0xA1 + else: + return -1 + + +class GB2312DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(GB2312DistributionAnalysis, self).__init__() + self._char_to_freq_order = GB2312_CHAR_TO_FREQ_ORDER + self._table_size = GB2312_TABLE_SIZE + self.typical_distribution_ratio = GB2312_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for GB2312 encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0xB0) and (second_char >= 0xA1): + return 94 * (first_char - 0xB0) + second_char - 0xA1 + else: + return -1 + + +class Big5DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(Big5DistributionAnalysis, self).__init__() + self._char_to_freq_order = BIG5_CHAR_TO_FREQ_ORDER + self._table_size = BIG5_TABLE_SIZE + self.typical_distribution_ratio = BIG5_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for big5 encoding, we are interested + # first byte range: 0xa4 -- 0xfe + # second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if first_char >= 0xA4: + if second_char >= 0xA1: + return 157 * (first_char - 0xA4) + second_char - 0xA1 + 63 + else: + return 157 * (first_char - 0xA4) + second_char - 0x40 + else: + return -1 + + +class SJISDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(SJISDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for sjis encoding, we are interested + # first byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe + # second byte range: 0x40 -- 0x7e, 0x81 -- oxfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0x81) and (first_char <= 0x9F): + order = 188 * (first_char - 0x81) + elif (first_char >= 0xE0) and (first_char <= 0xEF): + order = 188 * (first_char - 0xE0 + 31) + else: + return -1 + order = order + second_char - 0x40 + if second_char > 0x7F: + order = -1 + return order + + +class EUCJPDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCJPDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-JP encoding, we are interested + # first byte range: 0xa0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + char = byte_str[0] + if char >= 0xA0: + return 94 * (char - 0xA1) + byte_str[1] - 0xa1 + else: + return -1 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py new file mode 100644 index 0000000..8b3738e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py @@ -0,0 +1,106 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState +from .charsetprober import CharSetProber + + +class CharSetGroupProber(CharSetProber): + def __init__(self, lang_filter=None): + super(CharSetGroupProber, self).__init__(lang_filter=lang_filter) + self._active_num = 0 + self.probers = [] + self._best_guess_prober = None + + def reset(self): + super(CharSetGroupProber, self).reset() + self._active_num = 0 + for prober in self.probers: + if prober: + prober.reset() + prober.active = True + self._active_num += 1 + self._best_guess_prober = None + + @property + def charset_name(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.charset_name + + @property + def language(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.language + + def feed(self, byte_str): + for prober in self.probers: + if not prober: + continue + if not prober.active: + continue + state = prober.feed(byte_str) + if not state: + continue + if state == ProbingState.FOUND_IT: + self._best_guess_prober = prober + return self.state + elif state == ProbingState.NOT_ME: + prober.active = False + self._active_num -= 1 + if self._active_num <= 0: + self._state = ProbingState.NOT_ME + return self.state + return self.state + + def get_confidence(self): + state = self.state + if state == ProbingState.FOUND_IT: + return 0.99 + elif state == ProbingState.NOT_ME: + return 0.01 + best_conf = 0.0 + self._best_guess_prober = None + for prober in self.probers: + if not prober: + continue + if not prober.active: + self.logger.debug('%s not active', prober.charset_name) + continue + conf = prober.get_confidence() + self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf) + if best_conf < conf: + best_conf = conf + self._best_guess_prober = prober + if not self._best_guess_prober: + return 0.0 + return best_conf diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetprober.py new file mode 100644 index 0000000..eac4e59 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/charsetprober.py @@ -0,0 +1,145 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging +import re + +from .enums import ProbingState + + +class CharSetProber(object): + + SHORTCUT_THRESHOLD = 0.95 + + def __init__(self, lang_filter=None): + self._state = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + + def reset(self): + self._state = ProbingState.DETECTING + + @property + def charset_name(self): + return None + + def feed(self, buf): + pass + + @property + def state(self): + return self._state + + def get_confidence(self): + return 0.0 + + @staticmethod + def filter_high_byte_only(buf): + buf = re.sub(b'([\x00-\x7F])+', b' ', buf) + return buf + + @staticmethod + def filter_international_words(buf): + """ + We define three types of bytes: + alphabet: english alphabets [a-zA-Z] + international: international characters [\x80-\xFF] + marker: everything else [^a-zA-Z\x80-\xFF] + + The input buffer can be thought to contain a series of words delimited + by markers. This function works to filter all words that contain at + least one international character. All contiguous sequences of markers + are replaced by a single space ascii character. + + This filter applies to all scripts which do not use English characters. + """ + filtered = bytearray() + + # This regex expression filters out only words that have at-least one + # international character. The word may include one marker character at + # the end. + words = re.findall(b'[a-zA-Z]*[\x80-\xFF]+[a-zA-Z]*[^a-zA-Z\x80-\xFF]?', + buf) + + for word in words: + filtered.extend(word[:-1]) + + # If the last character in the word is a marker, replace it with a + # space as markers shouldn't affect our analysis (they are used + # similarly across all languages and may thus have similar + # frequencies). + last_char = word[-1:] + if not last_char.isalpha() and last_char < b'\x80': + last_char = b' ' + filtered.extend(last_char) + + return filtered + + @staticmethod + def filter_with_english_letters(buf): + """ + Returns a copy of ``buf`` that retains only the sequences of English + alphabet and high byte characters that are not between <> characters. + Also retains English alphabet and high byte characters immediately + before occurrences of >. + + This filter can be applied to all scripts which contain both English + characters and extended ASCII characters, but is currently only used by + ``Latin1Prober``. + """ + filtered = bytearray() + in_tag = False + prev = 0 + + for curr in range(len(buf)): + # Slice here to get bytes instead of an int with Python 3 + buf_char = buf[curr:curr + 1] + # Check if we're coming out of or entering an HTML tag + if buf_char == b'>': + in_tag = False + elif buf_char == b'<': + in_tag = True + + # If current character is not extended-ASCII and not alphabetic... + if buf_char < b'\x80' and not buf_char.isalpha(): + # ...and we're not in a tag + if curr > prev and not in_tag: + # Keep everything after last non-extended-ASCII, + # non-alphabetic character + filtered.extend(buf[prev:curr]) + # Output a space to delimit stretch we kept + filtered.extend(b' ') + prev = curr + 1 + + # If we're not in a tag... + if not in_tag: + # Keep everything after last non-extended-ASCII, non-alphabetic + # character + filtered.extend(buf[prev:]) + + return filtered diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/__init__.py new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/__init__.py @@ -0,0 +1 @@ + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/chardetect.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/chardetect.py new file mode 100644 index 0000000..c61136b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cli/chardetect.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python +""" +Script which takes one or more file paths and reports on their detected +encodings + +Example:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +If no paths are provided, it takes its input from stdin. + +""" + +from __future__ import absolute_import, print_function, unicode_literals + +import argparse +import sys + +from pip._vendor.chardet import __version__ +from pip._vendor.chardet.compat import PY2 +from pip._vendor.chardet.universaldetector import UniversalDetector + + +def description_of(lines, name='stdin'): + """ + Return a string describing the probable encoding of a file or + list of strings. + + :param lines: The lines to get the encoding of. + :type lines: Iterable of bytes + :param name: Name of file or collection of lines + :type name: str + """ + u = UniversalDetector() + for line in lines: + line = bytearray(line) + u.feed(line) + # shortcut out of the loop to save reading further - particularly useful if we read a BOM. + if u.done: + break + u.close() + result = u.result + if PY2: + name = name.decode(sys.getfilesystemencoding(), 'ignore') + if result['encoding']: + return '{0}: {1} with confidence {2}'.format(name, result['encoding'], + result['confidence']) + else: + return '{0}: no result'.format(name) + + +def main(argv=None): + """ + Handles command line arguments and gets things started. + + :param argv: List of arguments, as if specified on the command-line. + If None, ``sys.argv[1:]`` is used instead. + :type argv: list of str + """ + # Get command line arguments + parser = argparse.ArgumentParser( + description="Takes one or more file paths and reports their detected \ + encodings") + parser.add_argument('input', + help='File whose encoding we would like to determine. \ + (default: stdin)', + type=argparse.FileType('rb'), nargs='*', + default=[sys.stdin if PY2 else sys.stdin.buffer]) + parser.add_argument('--version', action='version', + version='%(prog)s {0}'.format(__version__)) + args = parser.parse_args(argv) + + for f in args.input: + if f.isatty(): + print("You are running chardetect interactively. Press " + + "CTRL-D twice at the start of a blank line to signal the " + + "end of your input. If you want help, run chardetect " + + "--help\n", file=sys.stderr) + print(description_of(f, f.name)) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/codingstatemachine.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/codingstatemachine.py new file mode 100644 index 0000000..68fba44 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/codingstatemachine.py @@ -0,0 +1,88 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging + +from .enums import MachineState + + +class CodingStateMachine(object): + """ + A state machine to verify a byte sequence for a particular encoding. For + each byte the detector receives, it will feed that byte to every active + state machine available, one byte at a time. The state machine changes its + state based on its previous state and the byte it receives. There are 3 + states in a state machine that are of interest to an auto-detector: + + START state: This is the state to start with, or a legal byte sequence + (i.e. a valid code point) for character has been identified. + + ME state: This indicates that the state machine identified a byte sequence + that is specific to the charset it is designed for and that + there is no other possible encoding which can contain this byte + sequence. This will to lead to an immediate positive answer for + the detector. + + ERROR state: This indicates the state machine identified an illegal byte + sequence for that encoding. This will lead to an immediate + negative answer for this encoding. Detector will exclude this + encoding from consideration from here on. + """ + def __init__(self, sm): + self._model = sm + self._curr_byte_pos = 0 + self._curr_char_len = 0 + self._curr_state = None + self.logger = logging.getLogger(__name__) + self.reset() + + def reset(self): + self._curr_state = MachineState.START + + def next_state(self, c): + # for each byte we get its class + # if it is first byte, we also get byte length + byte_class = self._model['class_table'][c] + if self._curr_state == MachineState.START: + self._curr_byte_pos = 0 + self._curr_char_len = self._model['char_len_table'][byte_class] + # from byte's class and state_table, we get its next state + curr_state = (self._curr_state * self._model['class_factor'] + + byte_class) + self._curr_state = self._model['state_table'][curr_state] + self._curr_byte_pos += 1 + return self._curr_state + + def get_current_charlen(self): + return self._curr_char_len + + def get_coding_state_machine(self): + return self._model['name'] + + @property + def language(self): + return self._model['language'] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/compat.py new file mode 100644 index 0000000..ddd7468 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/compat.py @@ -0,0 +1,34 @@ +######################## BEGIN LICENSE BLOCK ######################## +# Contributor(s): +# Dan Blanchard +# Ian Cordasco +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import sys + + +if sys.version_info < (3, 0): + PY2 = True + PY3 = False + base_str = (str, unicode) + text_type = unicode +else: + PY2 = False + PY3 = True + base_str = (bytes, str) + text_type = str diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cp949prober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cp949prober.py new file mode 100644 index 0000000..efd793a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/cp949prober.py @@ -0,0 +1,49 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .chardistribution import EUCKRDistributionAnalysis +from .codingstatemachine import CodingStateMachine +from .mbcharsetprober import MultiByteCharSetProber +from .mbcssm import CP949_SM_MODEL + + +class CP949Prober(MultiByteCharSetProber): + def __init__(self): + super(CP949Prober, self).__init__() + self.coding_sm = CodingStateMachine(CP949_SM_MODEL) + # NOTE: CP949 is a superset of EUC-KR, so the distribution should be + # not different. + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "CP949" + + @property + def language(self): + return "Korean" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/enums.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/enums.py new file mode 100644 index 0000000..0451207 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/enums.py @@ -0,0 +1,76 @@ +""" +All of the Enums that are used throughout the chardet package. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + + +class InputState(object): + """ + This enum represents the different states a universal detector can be in. + """ + PURE_ASCII = 0 + ESC_ASCII = 1 + HIGH_BYTE = 2 + + +class LanguageFilter(object): + """ + This enum represents the different language filters we can apply to a + ``UniversalDetector``. + """ + CHINESE_SIMPLIFIED = 0x01 + CHINESE_TRADITIONAL = 0x02 + JAPANESE = 0x04 + KOREAN = 0x08 + NON_CJK = 0x10 + ALL = 0x1F + CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL + CJK = CHINESE | JAPANESE | KOREAN + + +class ProbingState(object): + """ + This enum represents the different states a prober can be in. + """ + DETECTING = 0 + FOUND_IT = 1 + NOT_ME = 2 + + +class MachineState(object): + """ + This enum represents the different states a state machine can be in. + """ + START = 0 + ERROR = 1 + ITS_ME = 2 + + +class SequenceLikelihood(object): + """ + This enum represents the likelihood of a character following the previous one. + """ + NEGATIVE = 0 + UNLIKELY = 1 + LIKELY = 2 + POSITIVE = 3 + + @classmethod + def get_num_categories(cls): + """:returns: The number of likelihood categories in the enum.""" + return 4 + + +class CharacterCategory(object): + """ + This enum represents the different categories language models for + ``SingleByteCharsetProber`` put characters into. + + Anything less than CONTROL is considered a letter. + """ + UNDEFINED = 255 + LINE_BREAK = 254 + SYMBOL = 253 + DIGIT = 252 + CONTROL = 251 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escprober.py new file mode 100644 index 0000000..c70493f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escprober.py @@ -0,0 +1,101 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .codingstatemachine import CodingStateMachine +from .enums import LanguageFilter, ProbingState, MachineState +from .escsm import (HZ_SM_MODEL, ISO2022CN_SM_MODEL, ISO2022JP_SM_MODEL, + ISO2022KR_SM_MODEL) + + +class EscCharSetProber(CharSetProber): + """ + This CharSetProber uses a "code scheme" approach for detecting encodings, + whereby easily recognizable escape or shift sequences are relied on to + identify these encodings. + """ + + def __init__(self, lang_filter=None): + super(EscCharSetProber, self).__init__(lang_filter=lang_filter) + self.coding_sm = [] + if self.lang_filter & LanguageFilter.CHINESE_SIMPLIFIED: + self.coding_sm.append(CodingStateMachine(HZ_SM_MODEL)) + self.coding_sm.append(CodingStateMachine(ISO2022CN_SM_MODEL)) + if self.lang_filter & LanguageFilter.JAPANESE: + self.coding_sm.append(CodingStateMachine(ISO2022JP_SM_MODEL)) + if self.lang_filter & LanguageFilter.KOREAN: + self.coding_sm.append(CodingStateMachine(ISO2022KR_SM_MODEL)) + self.active_sm_count = None + self._detected_charset = None + self._detected_language = None + self._state = None + self.reset() + + def reset(self): + super(EscCharSetProber, self).reset() + for coding_sm in self.coding_sm: + if not coding_sm: + continue + coding_sm.active = True + coding_sm.reset() + self.active_sm_count = len(self.coding_sm) + self._detected_charset = None + self._detected_language = None + + @property + def charset_name(self): + return self._detected_charset + + @property + def language(self): + return self._detected_language + + def get_confidence(self): + if self._detected_charset: + return 0.99 + else: + return 0.00 + + def feed(self, byte_str): + for c in byte_str: + for coding_sm in self.coding_sm: + if not coding_sm or not coding_sm.active: + continue + coding_state = coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + coding_sm.active = False + self.active_sm_count -= 1 + if self.active_sm_count <= 0: + self._state = ProbingState.NOT_ME + return self.state + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + self._detected_charset = coding_sm.get_coding_state_machine() + self._detected_language = coding_sm.language + return self.state + + return self.state diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escsm.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escsm.py new file mode 100644 index 0000000..0069523 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/escsm.py @@ -0,0 +1,246 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +HZ_CLS = ( +1,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,0,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,4,0,5,2,0, # 78 - 7f +1,1,1,1,1,1,1,1, # 80 - 87 +1,1,1,1,1,1,1,1, # 88 - 8f +1,1,1,1,1,1,1,1, # 90 - 97 +1,1,1,1,1,1,1,1, # 98 - 9f +1,1,1,1,1,1,1,1, # a0 - a7 +1,1,1,1,1,1,1,1, # a8 - af +1,1,1,1,1,1,1,1, # b0 - b7 +1,1,1,1,1,1,1,1, # b8 - bf +1,1,1,1,1,1,1,1, # c0 - c7 +1,1,1,1,1,1,1,1, # c8 - cf +1,1,1,1,1,1,1,1, # d0 - d7 +1,1,1,1,1,1,1,1, # d8 - df +1,1,1,1,1,1,1,1, # e0 - e7 +1,1,1,1,1,1,1,1, # e8 - ef +1,1,1,1,1,1,1,1, # f0 - f7 +1,1,1,1,1,1,1,1, # f8 - ff +) + +HZ_ST = ( +MachineState.START,MachineState.ERROR, 3,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START, 4,MachineState.ERROR,# 10-17 + 5,MachineState.ERROR, 6,MachineState.ERROR, 5, 5, 4,MachineState.ERROR,# 18-1f + 4,MachineState.ERROR, 4, 4, 4,MachineState.ERROR, 4,MachineState.ERROR,# 20-27 + 4,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 28-2f +) + +HZ_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +HZ_SM_MODEL = {'class_table': HZ_CLS, + 'class_factor': 6, + 'state_table': HZ_ST, + 'char_len_table': HZ_CHAR_LEN_TABLE, + 'name': "HZ-GB-2312", + 'language': 'Chinese'} + +ISO2022CN_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,3,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,4,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022CN_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 20-27 + 5, 6,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,# 38-3f +) + +ISO2022CN_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022CN_SM_MODEL = {'class_table': ISO2022CN_CLS, + 'class_factor': 9, + 'state_table': ISO2022CN_ST, + 'char_len_table': ISO2022CN_CHAR_LEN_TABLE, + 'name': "ISO-2022-CN", + 'language': 'Chinese'} + +ISO2022JP_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,2,2, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,7,0,0,0, # 20 - 27 +3,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +6,0,4,0,8,0,0,0, # 40 - 47 +0,9,5,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022JP_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 20-27 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 6,MachineState.ITS_ME,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 38-3f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.START,# 40-47 +) + +ISO2022JP_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022JP_SM_MODEL = {'class_table': ISO2022JP_CLS, + 'class_factor': 10, + 'state_table': ISO2022JP_ST, + 'char_len_table': ISO2022JP_CHAR_LEN_TABLE, + 'name': "ISO-2022-JP", + 'language': 'Japanese'} + +ISO2022KR_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,3,0,0,0, # 20 - 27 +0,4,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,5,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022KR_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 10-17 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 20-27 +) + +ISO2022KR_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +ISO2022KR_SM_MODEL = {'class_table': ISO2022KR_CLS, + 'class_factor': 6, + 'state_table': ISO2022KR_ST, + 'char_len_table': ISO2022KR_CHAR_LEN_TABLE, + 'name': "ISO-2022-KR", + 'language': 'Korean'} + + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/eucjpprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/eucjpprober.py new file mode 100644 index 0000000..20ce8f7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/eucjpprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState, MachineState +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCJPDistributionAnalysis +from .jpcntx import EUCJPContextAnalysis +from .mbcssm import EUCJP_SM_MODEL + + +class EUCJPProber(MultiByteCharSetProber): + def __init__(self): + super(EUCJPProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCJP_SM_MODEL) + self.distribution_analyzer = EUCJPDistributionAnalysis() + self.context_analyzer = EUCJPContextAnalysis() + self.reset() + + def reset(self): + super(EUCJPProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return "EUC-JP" + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + # PY3K: byte_str is a byte array, so byte_str[i] is an int, not a byte + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char, char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrfreq.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrfreq.py new file mode 100644 index 0000000..b68078c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrfreq.py @@ -0,0 +1,195 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology + +# 128 --> 0.79 +# 256 --> 0.92 +# 512 --> 0.986 +# 1024 --> 0.99944 +# 2048 --> 0.99999 +# +# Idea Distribution Ratio = 0.98653 / (1-0.98653) = 73.24 +# Random Distribution Ration = 512 / (2350-512) = 0.279. +# +# Typical Distribution Ratio + +EUCKR_TYPICAL_DISTRIBUTION_RATIO = 6.0 + +EUCKR_TABLE_SIZE = 2352 + +# Char to FreqOrder table , +EUCKR_CHAR_TO_FREQ_ORDER = ( + 13, 130, 120,1396, 481,1719,1720, 328, 609, 212,1721, 707, 400, 299,1722, 87, +1397,1723, 104, 536,1117,1203,1724,1267, 685,1268, 508,1725,1726,1727,1728,1398, +1399,1729,1730,1731, 141, 621, 326,1057, 368,1732, 267, 488, 20,1733,1269,1734, + 945,1400,1735, 47, 904,1270,1736,1737, 773, 248,1738, 409, 313, 786, 429,1739, + 116, 987, 813,1401, 683, 75,1204, 145,1740,1741,1742,1743, 16, 847, 667, 622, + 708,1744,1745,1746, 966, 787, 304, 129,1747, 60, 820, 123, 676,1748,1749,1750, +1751, 617,1752, 626,1753,1754,1755,1756, 653,1757,1758,1759,1760,1761,1762, 856, + 344,1763,1764,1765,1766, 89, 401, 418, 806, 905, 848,1767,1768,1769, 946,1205, + 709,1770,1118,1771, 241,1772,1773,1774,1271,1775, 569,1776, 999,1777,1778,1779, +1780, 337, 751,1058, 28, 628, 254,1781, 177, 906, 270, 349, 891,1079,1782, 19, +1783, 379,1784, 315,1785, 629, 754,1402, 559,1786, 636, 203,1206,1787, 710, 567, +1788, 935, 814,1789,1790,1207, 766, 528,1791,1792,1208,1793,1794,1795,1796,1797, +1403,1798,1799, 533,1059,1404,1405,1156,1406, 936, 884,1080,1800, 351,1801,1802, +1803,1804,1805, 801,1806,1807,1808,1119,1809,1157, 714, 474,1407,1810, 298, 899, + 885,1811,1120, 802,1158,1812, 892,1813,1814,1408, 659,1815,1816,1121,1817,1818, +1819,1820,1821,1822, 319,1823, 594, 545,1824, 815, 937,1209,1825,1826, 573,1409, +1022,1827,1210,1828,1829,1830,1831,1832,1833, 556, 722, 807,1122,1060,1834, 697, +1835, 900, 557, 715,1836,1410, 540,1411, 752,1159, 294, 597,1211, 976, 803, 770, +1412,1837,1838, 39, 794,1413, 358,1839, 371, 925,1840, 453, 661, 788, 531, 723, + 544,1023,1081, 869, 91,1841, 392, 430, 790, 602,1414, 677,1082, 457,1415,1416, +1842,1843, 475, 327,1024,1417, 795, 121,1844, 733, 403,1418,1845,1846,1847, 300, + 119, 711,1212, 627,1848,1272, 207,1849,1850, 796,1213, 382,1851, 519,1852,1083, + 893,1853,1854,1855, 367, 809, 487, 671,1856, 663,1857,1858, 956, 471, 306, 857, +1859,1860,1160,1084,1861,1862,1863,1864,1865,1061,1866,1867,1868,1869,1870,1871, + 282, 96, 574,1872, 502,1085,1873,1214,1874, 907,1875,1876, 827, 977,1419,1420, +1421, 268,1877,1422,1878,1879,1880, 308,1881, 2, 537,1882,1883,1215,1884,1885, + 127, 791,1886,1273,1423,1887, 34, 336, 404, 643,1888, 571, 654, 894, 840,1889, + 0, 886,1274, 122, 575, 260, 908, 938,1890,1275, 410, 316,1891,1892, 100,1893, +1894,1123, 48,1161,1124,1025,1895, 633, 901,1276,1896,1897, 115, 816,1898, 317, +1899, 694,1900, 909, 734,1424, 572, 866,1425, 691, 85, 524,1010, 543, 394, 841, +1901,1902,1903,1026,1904,1905,1906,1907,1908,1909, 30, 451, 651, 988, 310,1910, +1911,1426, 810,1216, 93,1912,1913,1277,1217,1914, 858, 759, 45, 58, 181, 610, + 269,1915,1916, 131,1062, 551, 443,1000, 821,1427, 957, 895,1086,1917,1918, 375, +1919, 359,1920, 687,1921, 822,1922, 293,1923,1924, 40, 662, 118, 692, 29, 939, + 887, 640, 482, 174,1925, 69,1162, 728,1428, 910,1926,1278,1218,1279, 386, 870, + 217, 854,1163, 823,1927,1928,1929,1930, 834,1931, 78,1932, 859,1933,1063,1934, +1935,1936,1937, 438,1164, 208, 595,1938,1939,1940,1941,1219,1125,1942, 280, 888, +1429,1430,1220,1431,1943,1944,1945,1946,1947,1280, 150, 510,1432,1948,1949,1950, +1951,1952,1953,1954,1011,1087,1955,1433,1043,1956, 881,1957, 614, 958,1064,1065, +1221,1958, 638,1001, 860, 967, 896,1434, 989, 492, 553,1281,1165,1959,1282,1002, +1283,1222,1960,1961,1962,1963, 36, 383, 228, 753, 247, 454,1964, 876, 678,1965, +1966,1284, 126, 464, 490, 835, 136, 672, 529, 940,1088,1435, 473,1967,1968, 467, + 50, 390, 227, 587, 279, 378, 598, 792, 968, 240, 151, 160, 849, 882,1126,1285, + 639,1044, 133, 140, 288, 360, 811, 563,1027, 561, 142, 523,1969,1970,1971, 7, + 103, 296, 439, 407, 506, 634, 990,1972,1973,1974,1975, 645,1976,1977,1978,1979, +1980,1981, 236,1982,1436,1983,1984,1089, 192, 828, 618, 518,1166, 333,1127,1985, + 818,1223,1986,1987,1988,1989,1990,1991,1992,1993, 342,1128,1286, 746, 842,1994, +1995, 560, 223,1287, 98, 8, 189, 650, 978,1288,1996,1437,1997, 17, 345, 250, + 423, 277, 234, 512, 226, 97, 289, 42, 167,1998, 201,1999,2000, 843, 836, 824, + 532, 338, 783,1090, 182, 576, 436,1438,1439, 527, 500,2001, 947, 889,2002,2003, +2004,2005, 262, 600, 314, 447,2006, 547,2007, 693, 738,1129,2008, 71,1440, 745, + 619, 688,2009, 829,2010,2011, 147,2012, 33, 948,2013,2014, 74, 224,2015, 61, + 191, 918, 399, 637,2016,1028,1130, 257, 902,2017,2018,2019,2020,2021,2022,2023, +2024,2025,2026, 837,2027,2028,2029,2030, 179, 874, 591, 52, 724, 246,2031,2032, +2033,2034,1167, 969,2035,1289, 630, 605, 911,1091,1168,2036,2037,2038,1441, 912, +2039, 623,2040,2041, 253,1169,1290,2042,1442, 146, 620, 611, 577, 433,2043,1224, + 719,1170, 959, 440, 437, 534, 84, 388, 480,1131, 159, 220, 198, 679,2044,1012, + 819,1066,1443, 113,1225, 194, 318,1003,1029,2045,2046,2047,2048,1067,2049,2050, +2051,2052,2053, 59, 913, 112,2054, 632,2055, 455, 144, 739,1291,2056, 273, 681, + 499,2057, 448,2058,2059, 760,2060,2061, 970, 384, 169, 245,1132,2062,2063, 414, +1444,2064,2065, 41, 235,2066, 157, 252, 877, 568, 919, 789, 580,2067, 725,2068, +2069,1292,2070,2071,1445,2072,1446,2073,2074, 55, 588, 66,1447, 271,1092,2075, +1226,2076, 960,1013, 372,2077,2078,2079,2080,2081,1293,2082,2083,2084,2085, 850, +2086,2087,2088,2089,2090, 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463,1188,2495, 125, 812, 391, 402, 826, 699, 286, 398, 155, 781, 771, + 585,2496, 590, 505,1073,2497, 599, 244, 219, 917,1018, 952, 646,1523,2498,1323, +2499,2500, 49, 984, 354, 741,2501, 625,2502,1324,2503,1019, 190, 357, 757, 491, + 95, 782, 868,2504,2505,2506,2507,2508,2509, 134,1524,1074, 422,1525, 898,2510, + 161,2511,2512,2513,2514, 769,2515,1526,2516,2517, 411,1325,2518, 472,1527,2519, +2520,2521,2522,2523,2524, 985,2525,2526,2527,2528,2529,2530, 764,2531,1245,2532, +2533, 25, 204, 311,2534, 496,2535,1052,2536,2537,2538,2539,2540,2541,2542, 199, + 704, 504, 468, 758, 657,1528, 196, 44, 839,1246, 272, 750,2543, 765, 862,2544, +2545,1326,2546, 132, 615, 933,2547, 732,2548,2549,2550,1189,1529,2551, 283,1247, +1053, 607, 929,2552,2553,2554, 930, 183, 872, 616,1040,1147,2555,1148,1020, 441, + 249,1075,2556,2557,2558, 466, 743,2559,2560,2561, 92, 514, 426, 420, 526,2562, +2563,2564,2565,2566,2567,2568, 185,2569,2570,2571,2572, 776,1530, 658,2573, 362, +2574, 361, 922,1076, 793,2575,2576,2577,2578,2579,2580,1531, 251,2581,2582,2583, +2584,1532, 54, 612, 237,1327,2585,2586, 275, 408, 647, 111,2587,1533,1106, 465, + 3, 458, 9, 38,2588, 107, 110, 890, 209, 26, 737, 498,2589,1534,2590, 431, + 202, 88,1535, 356, 287,1107, 660,1149,2591, 381,1536, 986,1150, 445,1248,1151, + 974,2592,2593, 846,2594, 446, 953, 184,1249,1250, 727,2595, 923, 193, 883,2596, +2597,2598, 102, 324, 539, 817,2599, 421,1041,2600, 832,2601, 94, 175, 197, 406, +2602, 459,2603,2604,2605,2606,2607, 330, 555,2608,2609,2610, 706,1108, 389,2611, +2612,2613,2614, 233,2615, 833, 558, 931, 954,1251,2616,2617,1537, 546,2618,2619, +1009,2620,2621,2622,1538, 690,1328,2623, 955,2624,1539,2625,2626, 772,2627,2628, +2629,2630,2631, 924, 648, 863, 603,2632,2633, 934,1540, 864, 865,2634, 642,1042, + 670,1190,2635,2636,2637,2638, 168,2639, 652, 873, 542,1054,1541,2640,2641,2642, # 512, 256 +) + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrprober.py new file mode 100644 index 0000000..345a060 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euckrprober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCKRDistributionAnalysis +from .mbcssm import EUCKR_SM_MODEL + + +class EUCKRProber(MultiByteCharSetProber): + def __init__(self): + super(EUCKRProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCKR_SM_MODEL) + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-KR" + + @property + def language(self): + return "Korean" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwfreq.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwfreq.py new file mode 100644 index 0000000..ed7a995 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwfreq.py @@ -0,0 +1,387 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# EUCTW frequency table +# Converted from big5 work +# by Taiwan's Mandarin Promotion Council +# <http:#www.edu.tw:81/mandr/> + +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Idea Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +EUCTW_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +# Char to FreqOrder table , +EUCTW_TABLE_SIZE = 5376 + +EUCTW_CHAR_TO_FREQ_ORDER = ( + 1,1800,1506, 255,1431, 198, 9, 82, 6,7310, 177, 202,3615,1256,2808, 110, # 2742 +3735, 33,3241, 261, 76, 44,2113, 16,2931,2184,1176, 659,3868, 26,3404,2643, # 2758 +1198,3869,3313,4060, 410,2211, 302, 590, 361,1963, 8, 204, 58,4296,7311,1931, # 2774 + 63,7312,7313, 317,1614, 75, 222, 159,4061,2412,1480,7314,3500,3068, 224,2809, # 2790 +3616, 3, 10,3870,1471, 29,2774,1135,2852,1939, 873, 130,3242,1123, 312,7315, # 2806 +4297,2051, 507, 252, 682,7316, 142,1914, 124, 206,2932, 34,3501,3173, 64, 604, # 2822 +7317,2494,1976,1977, 155,1990, 645, 641,1606,7318,3405, 337, 72, 406,7319, 80, # 2838 + 630, 238,3174,1509, 263, 939,1092,2644, 756,1440,1094,3406, 449, 69,2969, 591, # 2854 + 179,2095, 471, 115,2034,1843, 60, 50,2970, 134, 806,1868, 734,2035,3407, 180, # 2870 + 995,1607, 156, 537,2893, 688,7320, 319,1305, 779,2144, 514,2374, 298,4298, 359, # 2886 +2495, 90,2707,1338, 663, 11, 906,1099,2545, 20,2436, 182, 532,1716,7321, 732, # 2902 +1376,4062,1311,1420,3175, 25,2312,1056, 113, 399, 382,1949, 242,3408,2467, 529, # 2918 +3243, 475,1447,3617,7322, 117, 21, 656, 810,1297,2295,2329,3502,7323, 126,4063, # 2934 + 706, 456, 150, 613,4299, 71,1118,2036,4064, 145,3069, 85, 835, 486,2114,1246, # 2950 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,7324,2127,2354, 347,3736, 221, # 2966 +3503,3110,7325,1955,1153,4065, 83, 296,1199,3070, 192, 624, 93,7326, 822,1897, # 2982 +2810,3111, 795,2064, 991,1554,1542,1592, 27, 43,2853, 859, 139,1456, 860,4300, # 2998 + 437, 712,3871, 164,2392,3112, 695, 211,3017,2096, 195,3872,1608,3504,3505,3618, # 3014 +3873, 234, 811,2971,2097,3874,2229,1441,3506,1615,2375, 668,2076,1638, 305, 228, # 3030 +1664,4301, 467, 415,7327, 262,2098,1593, 239, 108, 300, 200,1033, 512,1247,2077, # 3046 +7328,7329,2173,3176,3619,2673, 593, 845,1062,3244, 88,1723,2037,3875,1950, 212, # 3062 + 266, 152, 149, 468,1898,4066,4302, 77, 187,7330,3018, 37, 5,2972,7331,3876, # 3078 +7332,7333, 39,2517,4303,2894,3177,2078, 55, 148, 74,4304, 545, 483,1474,1029, # 3094 +1665, 217,1869,1531,3113,1104,2645,4067, 24, 172,3507, 900,3877,3508,3509,4305, # 3110 + 32,1408,2811,1312, 329, 487,2355,2247,2708, 784,2674, 4,3019,3314,1427,1788, # 3126 + 188, 109, 499,7334,3620,1717,1789, 888,1217,3020,4306,7335,3510,7336,3315,1520, # 3142 +3621,3878, 196,1034, 775,7337,7338, 929,1815, 249, 439, 38,7339,1063,7340, 794, # 3158 +3879,1435,2296, 46, 178,3245,2065,7341,2376,7342, 214,1709,4307, 804, 35, 707, # 3174 + 324,3622,1601,2546, 140, 459,4068,7343,7344,1365, 839, 272, 978,2257,2572,3409, # 3190 +2128,1363,3623,1423, 697, 100,3071, 48, 70,1231, 495,3114,2193,7345,1294,7346, # 3206 +2079, 462, 586,1042,3246, 853, 256, 988, 185,2377,3410,1698, 434,1084,7347,3411, # 3222 + 314,2615,2775,4308,2330,2331, 569,2280, 637,1816,2518, 757,1162,1878,1616,3412, # 3238 + 287,1577,2115, 768,4309,1671,2854,3511,2519,1321,3737, 909,2413,7348,4069, 933, # 3254 +3738,7349,2052,2356,1222,4310, 765,2414,1322, 786,4311,7350,1919,1462,1677,2895, # 3270 +1699,7351,4312,1424,2437,3115,3624,2590,3316,1774,1940,3413,3880,4070, 309,1369, # 3286 +1130,2812, 364,2230,1653,1299,3881,3512,3882,3883,2646, 525,1085,3021, 902,2000, # 3302 +1475, 964,4313, 421,1844,1415,1057,2281, 940,1364,3116, 376,4314,4315,1381, 7, # 3318 +2520, 983,2378, 336,1710,2675,1845, 321,3414, 559,1131,3022,2742,1808,1132,1313, # 3334 + 265,1481,1857,7352, 352,1203,2813,3247, 167,1089, 420,2814, 776, 792,1724,3513, # 3350 +4071,2438,3248,7353,4072,7354, 446, 229, 333,2743, 901,3739,1200,1557,4316,2647, # 3366 +1920, 395,2744,2676,3740,4073,1835, 125, 916,3178,2616,4317,7355,7356,3741,7357, # 3382 +7358,7359,4318,3117,3625,1133,2547,1757,3415,1510,2313,1409,3514,7360,2145, 438, # 3398 +2591,2896,2379,3317,1068, 958,3023, 461, 311,2855,2677,4074,1915,3179,4075,1978, # 3414 + 383, 750,2745,2617,4076, 274, 539, 385,1278,1442,7361,1154,1964, 384, 561, 210, # 3430 + 98,1295,2548,3515,7362,1711,2415,1482,3416,3884,2897,1257, 129,7363,3742, 642, # 3446 + 523,2776,2777,2648,7364, 141,2231,1333, 68, 176, 441, 876, 907,4077, 603,2592, # 3462 + 710, 171,3417, 404, 549, 18,3118,2393,1410,3626,1666,7365,3516,4319,2898,4320, # 3478 +7366,2973, 368,7367, 146, 366, 99, 871,3627,1543, 748, 807,1586,1185, 22,2258, # 3494 + 379,3743,3180,7368,3181, 505,1941,2618,1991,1382,2314,7369, 380,2357, 218, 702, # 3510 +1817,1248,3418,3024,3517,3318,3249,7370,2974,3628, 930,3250,3744,7371, 59,7372, # 3526 + 585, 601,4078, 497,3419,1112,1314,4321,1801,7373,1223,1472,2174,7374, 749,1836, # 3542 + 690,1899,3745,1772,3885,1476, 429,1043,1790,2232,2116, 917,4079, 447,1086,1629, # 3558 +7375, 556,7376,7377,2020,1654, 844,1090, 105, 550, 966,1758,2815,1008,1782, 686, # 3574 +1095,7378,2282, 793,1602,7379,3518,2593,4322,4080,2933,2297,4323,3746, 980,2496, # 3590 + 544, 353, 527,4324, 908,2678,2899,7380, 381,2619,1942,1348,7381,1341,1252, 560, # 3606 +3072,7382,3420,2856,7383,2053, 973, 886,2080, 143,4325,7384,7385, 157,3886, 496, # 3622 +4081, 57, 840, 540,2038,4326,4327,3421,2117,1445, 970,2259,1748,1965,2081,4082, # 3638 +3119,1234,1775,3251,2816,3629, 773,1206,2129,1066,2039,1326,3887,1738,1725,4083, # 3654 + 279,3120, 51,1544,2594, 423,1578,2130,2066, 173,4328,1879,7386,7387,1583, 264, # 3670 + 610,3630,4329,2439, 280, 154,7388,7389,7390,1739, 338,1282,3073, 693,2857,1411, # 3686 +1074,3747,2440,7391,4330,7392,7393,1240, 952,2394,7394,2900,1538,2679, 685,1483, # 3702 +4084,2468,1436, 953,4085,2054,4331, 671,2395, 79,4086,2441,3252, 608, 567,2680, # 3718 +3422,4087,4088,1691, 393,1261,1791,2396,7395,4332,7396,7397,7398,7399,1383,1672, # 3734 +3748,3182,1464, 522,1119, 661,1150, 216, 675,4333,3888,1432,3519, 609,4334,2681, # 3750 +2397,7400,7401,7402,4089,3025, 0,7403,2469, 315, 231,2442, 301,3319,4335,2380, # 3766 +7404, 233,4090,3631,1818,4336,4337,7405, 96,1776,1315,2082,7406, 257,7407,1809, # 3782 +3632,2709,1139,1819,4091,2021,1124,2163,2778,1777,2649,7408,3074, 363,1655,3183, # 3798 +7409,2975,7410,7411,7412,3889,1567,3890, 718, 103,3184, 849,1443, 341,3320,2934, # 3814 +1484,7413,1712, 127, 67, 339,4092,2398, 679,1412, 821,7414,7415, 834, 738, 351, # 3830 +2976,2146, 846, 235,1497,1880, 418,1992,3749,2710, 186,1100,2147,2746,3520,1545, # 3846 +1355,2935,2858,1377, 583,3891,4093,2573,2977,7416,1298,3633,1078,2549,3634,2358, # 3862 + 78,3750,3751, 267,1289,2099,2001,1594,4094, 348, 369,1274,2194,2175,1837,4338, # 3878 +1820,2817,3635,2747,2283,2002,4339,2936,2748, 144,3321, 882,4340,3892,2749,3423, # 3894 +4341,2901,7417,4095,1726, 320,7418,3893,3026, 788,2978,7419,2818,1773,1327,2859, # 3910 +3894,2819,7420,1306,4342,2003,1700,3752,3521,2359,2650, 787,2022, 506, 824,3636, # 3926 + 534, 323,4343,1044,3322,2023,1900, 946,3424,7421,1778,1500,1678,7422,1881,4344, # 3942 + 165, 243,4345,3637,2521, 123, 683,4096, 764,4346, 36,3895,1792, 589,2902, 816, # 3958 + 626,1667,3027,2233,1639,1555,1622,3753,3896,7423,3897,2860,1370,1228,1932, 891, # 3974 +2083,2903, 304,4097,7424, 292,2979,2711,3522, 691,2100,4098,1115,4347, 118, 662, # 3990 +7425, 611,1156, 854,2381,1316,2861, 2, 386, 515,2904,7426,7427,3253, 868,2234, # 4006 +1486, 855,2651, 785,2212,3028,7428,1040,3185,3523,7429,3121, 448,7430,1525,7431, # 4022 +2164,4348,7432,3754,7433,4099,2820,3524,3122, 503, 818,3898,3123,1568, 814, 676, # 4038 +1444, 306,1749,7434,3755,1416,1030, 197,1428, 805,2821,1501,4349,7435,7436,7437, # 4054 +1993,7438,4350,7439,7440,2195, 13,2779,3638,2980,3124,1229,1916,7441,3756,2131, # 4070 +7442,4100,4351,2399,3525,7443,2213,1511,1727,1120,7444,7445, 646,3757,2443, 307, # 4086 +7446,7447,1595,3186,7448,7449,7450,3639,1113,1356,3899,1465,2522,2523,7451, 519, # 4102 +7452, 128,2132, 92,2284,1979,7453,3900,1512, 342,3125,2196,7454,2780,2214,1980, # 4118 +3323,7455, 290,1656,1317, 789, 827,2360,7456,3758,4352, 562, 581,3901,7457, 401, # 4134 +4353,2248, 94,4354,1399,2781,7458,1463,2024,4355,3187,1943,7459, 828,1105,4101, # 4150 +1262,1394,7460,4102, 605,4356,7461,1783,2862,7462,2822, 819,2101, 578,2197,2937, # 4166 +7463,1502, 436,3254,4103,3255,2823,3902,2905,3425,3426,7464,2712,2315,7465,7466, # 4182 +2332,2067, 23,4357, 193, 826,3759,2102, 699,1630,4104,3075, 390,1793,1064,3526, # 4198 +7467,1579,3076,3077,1400,7468,4105,1838,1640,2863,7469,4358,4359, 137,4106, 598, # 4214 +3078,1966, 780, 104, 974,2938,7470, 278, 899, 253, 402, 572, 504, 493,1339,7471, # 4230 +3903,1275,4360,2574,2550,7472,3640,3029,3079,2249, 565,1334,2713, 863, 41,7473, # 4246 +7474,4361,7475,1657,2333, 19, 463,2750,4107, 606,7476,2981,3256,1087,2084,1323, # 4262 +2652,2982,7477,1631,1623,1750,4108,2682,7478,2864, 791,2714,2653,2334, 232,2416, # 4278 +7479,2983,1498,7480,2654,2620, 755,1366,3641,3257,3126,2025,1609, 119,1917,3427, # 4294 + 862,1026,4109,7481,3904,3760,4362,3905,4363,2260,1951,2470,7482,1125, 817,4110, # 4310 +4111,3906,1513,1766,2040,1487,4112,3030,3258,2824,3761,3127,7483,7484,1507,7485, # 4326 +2683, 733, 40,1632,1106,2865, 345,4113, 841,2524, 230,4364,2984,1846,3259,3428, # 4342 +7486,1263, 986,3429,7487, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562,3907, # 4358 +3908,2939, 967,2751,2655,1349, 592,2133,1692,3324,2985,1994,4114,1679,3909,1901, # 4374 +2185,7488, 739,3642,2715,1296,1290,7489,4115,2198,2199,1921,1563,2595,2551,1870, # 4390 +2752,2986,7490, 435,7491, 343,1108, 596, 17,1751,4365,2235,3430,3643,7492,4366, # 4406 + 294,3527,2940,1693, 477, 979, 281,2041,3528, 643,2042,3644,2621,2782,2261,1031, # 4422 +2335,2134,2298,3529,4367, 367,1249,2552,7493,3530,7494,4368,1283,3325,2004, 240, # 4438 +1762,3326,4369,4370, 836,1069,3128, 474,7495,2148,2525, 268,3531,7496,3188,1521, # 4454 +1284,7497,1658,1546,4116,7498,3532,3533,7499,4117,3327,2684,1685,4118, 961,1673, # 4470 +2622, 190,2005,2200,3762,4371,4372,7500, 570,2497,3645,1490,7501,4373,2623,3260, # 4486 +1956,4374, 584,1514, 396,1045,1944,7502,4375,1967,2444,7503,7504,4376,3910, 619, # 4502 +7505,3129,3261, 215,2006,2783,2553,3189,4377,3190,4378, 763,4119,3763,4379,7506, # 4518 +7507,1957,1767,2941,3328,3646,1174, 452,1477,4380,3329,3130,7508,2825,1253,2382, # 4534 +2186,1091,2285,4120, 492,7509, 638,1169,1824,2135,1752,3911, 648, 926,1021,1324, # 4550 +4381, 520,4382, 997, 847,1007, 892,4383,3764,2262,1871,3647,7510,2400,1784,4384, # 4566 +1952,2942,3080,3191,1728,4121,2043,3648,4385,2007,1701,3131,1551, 30,2263,4122, # 4582 +7511,2026,4386,3534,7512, 501,7513,4123, 594,3431,2165,1821,3535,3432,3536,3192, # 4598 + 829,2826,4124,7514,1680,3132,1225,4125,7515,3262,4387,4126,3133,2336,7516,4388, # 4614 +4127,7517,3912,3913,7518,1847,2383,2596,3330,7519,4389, 374,3914, 652,4128,4129, # 4630 + 375,1140, 798,7520,7521,7522,2361,4390,2264, 546,1659, 138,3031,2445,4391,7523, # 4646 +2250, 612,1848, 910, 796,3765,1740,1371, 825,3766,3767,7524,2906,2554,7525, 692, # 4662 + 444,3032,2624, 801,4392,4130,7526,1491, 244,1053,3033,4131,4132, 340,7527,3915, # 4678 +1041,2987, 293,1168, 87,1357,7528,1539, 959,7529,2236, 721, 694,4133,3768, 219, # 4694 +1478, 644,1417,3331,2656,1413,1401,1335,1389,3916,7530,7531,2988,2362,3134,1825, # 4710 + 730,1515, 184,2827, 66,4393,7532,1660,2943, 246,3332, 378,1457, 226,3433, 975, # 4726 +3917,2944,1264,3537, 674, 696,7533, 163,7534,1141,2417,2166, 713,3538,3333,4394, # 4742 +3918,7535,7536,1186, 15,7537,1079,1070,7538,1522,3193,3539, 276,1050,2716, 758, # 4758 +1126, 653,2945,3263,7539,2337, 889,3540,3919,3081,2989, 903,1250,4395,3920,3434, # 4774 +3541,1342,1681,1718, 766,3264, 286, 89,2946,3649,7540,1713,7541,2597,3334,2990, # 4790 +7542,2947,2215,3194,2866,7543,4396,2498,2526, 181, 387,1075,3921, 731,2187,3335, # 4806 +7544,3265, 310, 313,3435,2299, 770,4134, 54,3034, 189,4397,3082,3769,3922,7545, # 4822 +1230,1617,1849, 355,3542,4135,4398,3336, 111,4136,3650,1350,3135,3436,3035,4137, # 4838 +2149,3266,3543,7546,2784,3923,3924,2991, 722,2008,7547,1071, 247,1207,2338,2471, # 4854 +1378,4399,2009, 864,1437,1214,4400, 373,3770,1142,2216, 667,4401, 442,2753,2555, # 4870 +3771,3925,1968,4138,3267,1839, 837, 170,1107, 934,1336,1882,7548,7549,2118,4139, # 4886 +2828, 743,1569,7550,4402,4140, 582,2384,1418,3437,7551,1802,7552, 357,1395,1729, # 4902 +3651,3268,2418,1564,2237,7553,3083,3772,1633,4403,1114,2085,4141,1532,7554, 482, # 4918 +2446,4404,7555,7556,1492, 833,1466,7557,2717,3544,1641,2829,7558,1526,1272,3652, # 4934 +4142,1686,1794, 416,2556,1902,1953,1803,7559,3773,2785,3774,1159,2316,7560,2867, # 4950 +4405,1610,1584,3036,2419,2754, 443,3269,1163,3136,7561,7562,3926,7563,4143,2499, # 4966 +3037,4406,3927,3137,2103,1647,3545,2010,1872,4144,7564,4145, 431,3438,7565, 250, # 4982 + 97, 81,4146,7566,1648,1850,1558, 160, 848,7567, 866, 740,1694,7568,2201,2830, # 4998 +3195,4147,4407,3653,1687, 950,2472, 426, 469,3196,3654,3655,3928,7569,7570,1188, # 5014 + 424,1995, 861,3546,4148,3775,2202,2685, 168,1235,3547,4149,7571,2086,1674,4408, # 5030 +3337,3270, 220,2557,1009,7572,3776, 670,2992, 332,1208, 717,7573,7574,3548,2447, # 5046 +3929,3338,7575, 513,7576,1209,2868,3339,3138,4409,1080,7577,7578,7579,7580,2527, # 5062 +3656,3549, 815,1587,3930,3931,7581,3550,3439,3777,1254,4410,1328,3038,1390,3932, # 5078 +1741,3933,3778,3934,7582, 236,3779,2448,3271,7583,7584,3657,3780,1273,3781,4411, # 5094 +7585, 308,7586,4412, 245,4413,1851,2473,1307,2575, 430, 715,2136,2449,7587, 270, # 5110 + 199,2869,3935,7588,3551,2718,1753, 761,1754, 725,1661,1840,4414,3440,3658,7589, # 5126 +7590, 587, 14,3272, 227,2598, 326, 480,2265, 943,2755,3552, 291, 650,1883,7591, # 5142 +1702,1226, 102,1547, 62,3441, 904,4415,3442,1164,4150,7592,7593,1224,1548,2756, # 5158 + 391, 498,1493,7594,1386,1419,7595,2055,1177,4416, 813, 880,1081,2363, 566,1145, # 5174 +4417,2286,1001,1035,2558,2599,2238, 394,1286,7596,7597,2068,7598, 86,1494,1730, # 5190 +3936, 491,1588, 745, 897,2948, 843,3340,3937,2757,2870,3273,1768, 998,2217,2069, # 5206 + 397,1826,1195,1969,3659,2993,3341, 284,7599,3782,2500,2137,2119,1903,7600,3938, # 5222 +2150,3939,4151,1036,3443,1904, 114,2559,4152, 209,1527,7601,7602,2949,2831,2625, # 5238 +2385,2719,3139, 812,2560,7603,3274,7604,1559, 737,1884,3660,1210, 885, 28,2686, # 5254 +3553,3783,7605,4153,1004,1779,4418,7606, 346,1981,2218,2687,4419,3784,1742, 797, # 5270 +1642,3940,1933,1072,1384,2151, 896,3941,3275,3661,3197,2871,3554,7607,2561,1958, # 5286 +4420,2450,1785,7608,7609,7610,3942,4154,1005,1308,3662,4155,2720,4421,4422,1528, # 5302 +2600, 161,1178,4156,1982, 987,4423,1101,4157, 631,3943,1157,3198,2420,1343,1241, # 5318 +1016,2239,2562, 372, 877,2339,2501,1160, 555,1934, 911,3944,7611, 466,1170, 169, # 5334 +1051,2907,2688,3663,2474,2994,1182,2011,2563,1251,2626,7612, 992,2340,3444,1540, # 5350 +2721,1201,2070,2401,1996,2475,7613,4424, 528,1922,2188,1503,1873,1570,2364,3342, # 5366 +3276,7614, 557,1073,7615,1827,3445,2087,2266,3140,3039,3084, 767,3085,2786,4425, # 5382 +1006,4158,4426,2341,1267,2176,3664,3199, 778,3945,3200,2722,1597,2657,7616,4427, # 5398 +7617,3446,7618,7619,7620,3277,2689,1433,3278, 131, 95,1504,3946, 723,4159,3141, # 5414 +1841,3555,2758,2189,3947,2027,2104,3665,7621,2995,3948,1218,7622,3343,3201,3949, # 5430 +4160,2576, 248,1634,3785, 912,7623,2832,3666,3040,3786, 654, 53,7624,2996,7625, # 5446 +1688,4428, 777,3447,1032,3950,1425,7626, 191, 820,2120,2833, 971,4429, 931,3202, # 5462 + 135, 664, 783,3787,1997, 772,2908,1935,3951,3788,4430,2909,3203, 282,2723, 640, # 5478 +1372,3448,1127, 922, 325,3344,7627,7628, 711,2044,7629,7630,3952,2219,2787,1936, # 5494 +3953,3345,2220,2251,3789,2300,7631,4431,3790,1258,3279,3954,3204,2138,2950,3955, # 5510 +3956,7632,2221, 258,3205,4432, 101,1227,7633,3280,1755,7634,1391,3281,7635,2910, # 5526 +2056, 893,7636,7637,7638,1402,4161,2342,7639,7640,3206,3556,7641,7642, 878,1325, # 5542 +1780,2788,4433, 259,1385,2577, 744,1183,2267,4434,7643,3957,2502,7644, 684,1024, # 5558 +4162,7645, 472,3557,3449,1165,3282,3958,3959, 322,2152, 881, 455,1695,1152,1340, # 5574 + 660, 554,2153,4435,1058,4436,4163, 830,1065,3346,3960,4437,1923,7646,1703,1918, # 5590 +7647, 932,2268, 122,7648,4438, 947, 677,7649,3791,2627, 297,1905,1924,2269,4439, # 5606 +2317,3283,7650,7651,4164,7652,4165, 84,4166, 112, 989,7653, 547,1059,3961, 701, # 5622 +3558,1019,7654,4167,7655,3450, 942, 639, 457,2301,2451, 993,2951, 407, 851, 494, # 5638 +4440,3347, 927,7656,1237,7657,2421,3348, 573,4168, 680, 921,2911,1279,1874, 285, # 5654 + 790,1448,1983, 719,2167,7658,7659,4441,3962,3963,1649,7660,1541, 563,7661,1077, # 5670 +7662,3349,3041,3451, 511,2997,3964,3965,3667,3966,1268,2564,3350,3207,4442,4443, # 5686 +7663, 535,1048,1276,1189,2912,2028,3142,1438,1373,2834,2952,1134,2012,7664,4169, # 5702 +1238,2578,3086,1259,7665, 700,7666,2953,3143,3668,4170,7667,4171,1146,1875,1906, # 5718 +4444,2601,3967, 781,2422, 132,1589, 203, 147, 273,2789,2402, 898,1786,2154,3968, # 5734 +3969,7668,3792,2790,7669,7670,4445,4446,7671,3208,7672,1635,3793, 965,7673,1804, # 5750 +2690,1516,3559,1121,1082,1329,3284,3970,1449,3794, 65,1128,2835,2913,2759,1590, # 5766 +3795,7674,7675, 12,2658, 45, 976,2579,3144,4447, 517,2528,1013,1037,3209,7676, # 5782 +3796,2836,7677,3797,7678,3452,7679,2602, 614,1998,2318,3798,3087,2724,2628,7680, # 5798 +2580,4172, 599,1269,7681,1810,3669,7682,2691,3088, 759,1060, 489,1805,3351,3285, # 5814 +1358,7683,7684,2386,1387,1215,2629,2252, 490,7685,7686,4173,1759,2387,2343,7687, # 5830 +4448,3799,1907,3971,2630,1806,3210,4449,3453,3286,2760,2344, 874,7688,7689,3454, # 5846 +3670,1858, 91,2914,3671,3042,3800,4450,7690,3145,3972,2659,7691,3455,1202,1403, # 5862 +3801,2954,2529,1517,2503,4451,3456,2504,7692,4452,7693,2692,1885,1495,1731,3973, # 5878 +2365,4453,7694,2029,7695,7696,3974,2693,1216, 237,2581,4174,2319,3975,3802,4454, # 5894 +4455,2694,3560,3457, 445,4456,7697,7698,7699,7700,2761, 61,3976,3672,1822,3977, # 5910 +7701, 687,2045, 935, 925, 405,2660, 703,1096,1859,2725,4457,3978,1876,1367,2695, # 5926 +3352, 918,2105,1781,2476, 334,3287,1611,1093,4458, 564,3146,3458,3673,3353, 945, # 5942 +2631,2057,4459,7702,1925, 872,4175,7703,3459,2696,3089, 349,4176,3674,3979,4460, # 5958 +3803,4177,3675,2155,3980,4461,4462,4178,4463,2403,2046, 782,3981, 400, 251,4179, # 5974 +1624,7704,7705, 277,3676, 299,1265, 476,1191,3804,2121,4180,4181,1109, 205,7706, # 5990 +2582,1000,2156,3561,1860,7707,7708,7709,4464,7710,4465,2565, 107,2477,2157,3982, # 6006 +3460,3147,7711,1533, 541,1301, 158, 753,4182,2872,3562,7712,1696, 370,1088,4183, # 6022 +4466,3563, 579, 327, 440, 162,2240, 269,1937,1374,3461, 968,3043, 56,1396,3090, # 6038 +2106,3288,3354,7713,1926,2158,4467,2998,7714,3564,7715,7716,3677,4468,2478,7717, # 6054 +2791,7718,1650,4469,7719,2603,7720,7721,3983,2661,3355,1149,3356,3984,3805,3985, # 6070 +7722,1076, 49,7723, 951,3211,3289,3290, 450,2837, 920,7724,1811,2792,2366,4184, # 6086 +1908,1138,2367,3806,3462,7725,3212,4470,1909,1147,1518,2423,4471,3807,7726,4472, # 6102 +2388,2604, 260,1795,3213,7727,7728,3808,3291, 708,7729,3565,1704,7730,3566,1351, # 6118 +1618,3357,2999,1886, 944,4185,3358,4186,3044,3359,4187,7731,3678, 422, 413,1714, # 6134 +3292, 500,2058,2345,4188,2479,7732,1344,1910, 954,7733,1668,7734,7735,3986,2404, # 6150 +4189,3567,3809,4190,7736,2302,1318,2505,3091, 133,3092,2873,4473, 629, 31,2838, # 6166 +2697,3810,4474, 850, 949,4475,3987,2955,1732,2088,4191,1496,1852,7737,3988, 620, # 6182 +3214, 981,1242,3679,3360,1619,3680,1643,3293,2139,2452,1970,1719,3463,2168,7738, # 6198 +3215,7739,7740,3361,1828,7741,1277,4476,1565,2047,7742,1636,3568,3093,7743, 869, # 6214 +2839, 655,3811,3812,3094,3989,3000,3813,1310,3569,4477,7744,7745,7746,1733, 558, # 6230 +4478,3681, 335,1549,3045,1756,4192,3682,1945,3464,1829,1291,1192, 470,2726,2107, # 6246 +2793, 913,1054,3990,7747,1027,7748,3046,3991,4479, 982,2662,3362,3148,3465,3216, # 6262 +3217,1946,2794,7749, 571,4480,7750,1830,7751,3570,2583,1523,2424,7752,2089, 984, # 6278 +4481,3683,1959,7753,3684, 852, 923,2795,3466,3685, 969,1519, 999,2048,2320,1705, # 6294 +7754,3095, 615,1662, 151, 597,3992,2405,2321,1049, 275,4482,3686,4193, 568,3687, # 6310 +3571,2480,4194,3688,7755,2425,2270, 409,3218,7756,1566,2874,3467,1002, 769,2840, # 6326 + 194,2090,3149,3689,2222,3294,4195, 628,1505,7757,7758,1763,2177,3001,3993, 521, # 6342 +1161,2584,1787,2203,2406,4483,3994,1625,4196,4197, 412, 42,3096, 464,7759,2632, # 6358 +4484,3363,1760,1571,2875,3468,2530,1219,2204,3814,2633,2140,2368,4485,4486,3295, # 6374 +1651,3364,3572,7760,7761,3573,2481,3469,7762,3690,7763,7764,2271,2091, 460,7765, # 6390 +4487,7766,3002, 962, 588,3574, 289,3219,2634,1116, 52,7767,3047,1796,7768,7769, # 6406 +7770,1467,7771,1598,1143,3691,4198,1984,1734,1067,4488,1280,3365, 465,4489,1572, # 6422 + 510,7772,1927,2241,1812,1644,3575,7773,4490,3692,7774,7775,2663,1573,1534,7776, # 6438 +7777,4199, 536,1807,1761,3470,3815,3150,2635,7778,7779,7780,4491,3471,2915,1911, # 6454 +2796,7781,3296,1122, 377,3220,7782, 360,7783,7784,4200,1529, 551,7785,2059,3693, # 6470 +1769,2426,7786,2916,4201,3297,3097,2322,2108,2030,4492,1404, 136,1468,1479, 672, # 6486 +1171,3221,2303, 271,3151,7787,2762,7788,2049, 678,2727, 865,1947,4493,7789,2013, # 6502 +3995,2956,7790,2728,2223,1397,3048,3694,4494,4495,1735,2917,3366,3576,7791,3816, # 6518 + 509,2841,2453,2876,3817,7792,7793,3152,3153,4496,4202,2531,4497,2304,1166,1010, # 6534 + 552, 681,1887,7794,7795,2957,2958,3996,1287,1596,1861,3154, 358, 453, 736, 175, # 6550 + 478,1117, 905,1167,1097,7796,1853,1530,7797,1706,7798,2178,3472,2287,3695,3473, # 6566 +3577,4203,2092,4204,7799,3367,1193,2482,4205,1458,2190,2205,1862,1888,1421,3298, # 6582 +2918,3049,2179,3474, 595,2122,7800,3997,7801,7802,4206,1707,2636, 223,3696,1359, # 6598 + 751,3098, 183,3475,7803,2797,3003, 419,2369, 633, 704,3818,2389, 241,7804,7805, # 6614 +7806, 838,3004,3697,2272,2763,2454,3819,1938,2050,3998,1309,3099,2242,1181,7807, # 6630 +1136,2206,3820,2370,1446,4207,2305,4498,7808,7809,4208,1055,2605, 484,3698,7810, # 6646 +3999, 625,4209,2273,3368,1499,4210,4000,7811,4001,4211,3222,2274,2275,3476,7812, # 6662 +7813,2764, 808,2606,3699,3369,4002,4212,3100,2532, 526,3370,3821,4213, 955,7814, # 6678 +1620,4214,2637,2427,7815,1429,3700,1669,1831, 994, 928,7816,3578,1260,7817,7818, # 6694 +7819,1948,2288, 741,2919,1626,4215,2729,2455, 867,1184, 362,3371,1392,7820,7821, # 6710 +4003,4216,1770,1736,3223,2920,4499,4500,1928,2698,1459,1158,7822,3050,3372,2877, # 6726 +1292,1929,2506,2842,3701,1985,1187,2071,2014,2607,4217,7823,2566,2507,2169,3702, # 6742 +2483,3299,7824,3703,4501,7825,7826, 666,1003,3005,1022,3579,4218,7827,4502,1813, # 6758 +2253, 574,3822,1603, 295,1535, 705,3823,4219, 283, 858, 417,7828,7829,3224,4503, # 6774 +4504,3051,1220,1889,1046,2276,2456,4004,1393,1599, 689,2567, 388,4220,7830,2484, # 6790 + 802,7831,2798,3824,2060,1405,2254,7832,4505,3825,2109,1052,1345,3225,1585,7833, # 6806 + 809,7834,7835,7836, 575,2730,3477, 956,1552,1469,1144,2323,7837,2324,1560,2457, # 6822 +3580,3226,4005, 616,2207,3155,2180,2289,7838,1832,7839,3478,4506,7840,1319,3704, # 6838 +3705,1211,3581,1023,3227,1293,2799,7841,7842,7843,3826, 607,2306,3827, 762,2878, # 6854 +1439,4221,1360,7844,1485,3052,7845,4507,1038,4222,1450,2061,2638,4223,1379,4508, # 6870 +2585,7846,7847,4224,1352,1414,2325,2921,1172,7848,7849,3828,3829,7850,1797,1451, # 6886 +7851,7852,7853,7854,2922,4006,4007,2485,2346, 411,4008,4009,3582,3300,3101,4509, # 6902 +1561,2664,1452,4010,1375,7855,7856, 47,2959, 316,7857,1406,1591,2923,3156,7858, # 6918 +1025,2141,3102,3157, 354,2731, 884,2224,4225,2407, 508,3706, 726,3583, 996,2428, # 6934 +3584, 729,7859, 392,2191,1453,4011,4510,3707,7860,7861,2458,3585,2608,1675,2800, # 6950 + 919,2347,2960,2348,1270,4511,4012, 73,7862,7863, 647,7864,3228,2843,2255,1550, # 6966 +1346,3006,7865,1332, 883,3479,7866,7867,7868,7869,3301,2765,7870,1212, 831,1347, # 6982 +4226,4512,2326,3830,1863,3053, 720,3831,4513,4514,3832,7871,4227,7872,7873,4515, # 6998 +7874,7875,1798,4516,3708,2609,4517,3586,1645,2371,7876,7877,2924, 669,2208,2665, # 7014 +2429,7878,2879,7879,7880,1028,3229,7881,4228,2408,7882,2256,1353,7883,7884,4518, # 7030 +3158, 518,7885,4013,7886,4229,1960,7887,2142,4230,7888,7889,3007,2349,2350,3833, # 7046 + 516,1833,1454,4014,2699,4231,4519,2225,2610,1971,1129,3587,7890,2766,7891,2961, # 7062 +1422, 577,1470,3008,1524,3373,7892,7893, 432,4232,3054,3480,7894,2586,1455,2508, # 7078 +2226,1972,1175,7895,1020,2732,4015,3481,4520,7896,2733,7897,1743,1361,3055,3482, # 7094 +2639,4016,4233,4521,2290, 895, 924,4234,2170, 331,2243,3056, 166,1627,3057,1098, # 7110 +7898,1232,2880,2227,3374,4522, 657, 403,1196,2372, 542,3709,3375,1600,4235,3483, # 7126 +7899,4523,2767,3230, 576, 530,1362,7900,4524,2533,2666,3710,4017,7901, 842,3834, # 7142 +7902,2801,2031,1014,4018, 213,2700,3376, 665, 621,4236,7903,3711,2925,2430,7904, # 7158 +2431,3302,3588,3377,7905,4237,2534,4238,4525,3589,1682,4239,3484,1380,7906, 724, # 7174 +2277, 600,1670,7907,1337,1233,4526,3103,2244,7908,1621,4527,7909, 651,4240,7910, # 7190 +1612,4241,2611,7911,2844,7912,2734,2307,3058,7913, 716,2459,3059, 174,1255,2701, # 7206 +4019,3590, 548,1320,1398, 728,4020,1574,7914,1890,1197,3060,4021,7915,3061,3062, # 7222 +3712,3591,3713, 747,7916, 635,4242,4528,7917,7918,7919,4243,7920,7921,4529,7922, # 7238 +3378,4530,2432, 451,7923,3714,2535,2072,4244,2735,4245,4022,7924,1764,4531,7925, # 7254 +4246, 350,7926,2278,2390,2486,7927,4247,4023,2245,1434,4024, 488,4532, 458,4248, # 7270 +4025,3715, 771,1330,2391,3835,2568,3159,2159,2409,1553,2667,3160,4249,7928,2487, # 7286 +2881,2612,1720,2702,4250,3379,4533,7929,2536,4251,7930,3231,4252,2768,7931,2015, # 7302 +2736,7932,1155,1017,3716,3836,7933,3303,2308, 201,1864,4253,1430,7934,4026,7935, # 7318 +7936,7937,7938,7939,4254,1604,7940, 414,1865, 371,2587,4534,4535,3485,2016,3104, # 7334 +4536,1708, 960,4255, 887, 389,2171,1536,1663,1721,7941,2228,4027,2351,2926,1580, # 7350 +7942,7943,7944,1744,7945,2537,4537,4538,7946,4539,7947,2073,7948,7949,3592,3380, # 7366 +2882,4256,7950,4257,2640,3381,2802, 673,2703,2460, 709,3486,4028,3593,4258,7951, # 7382 +1148, 502, 634,7952,7953,1204,4540,3594,1575,4541,2613,3717,7954,3718,3105, 948, # 7398 +3232, 121,1745,3837,1110,7955,4259,3063,2509,3009,4029,3719,1151,1771,3838,1488, # 7414 +4030,1986,7956,2433,3487,7957,7958,2093,7959,4260,3839,1213,1407,2803, 531,2737, # 7430 +2538,3233,1011,1537,7960,2769,4261,3106,1061,7961,3720,3721,1866,2883,7962,2017, # 7446 + 120,4262,4263,2062,3595,3234,2309,3840,2668,3382,1954,4542,7963,7964,3488,1047, # 7462 +2704,1266,7965,1368,4543,2845, 649,3383,3841,2539,2738,1102,2846,2669,7966,7967, # 7478 +1999,7968,1111,3596,2962,7969,2488,3842,3597,2804,1854,3384,3722,7970,7971,3385, # 7494 +2410,2884,3304,3235,3598,7972,2569,7973,3599,2805,4031,1460, 856,7974,3600,7975, # 7510 +2885,2963,7976,2886,3843,7977,4264, 632,2510, 875,3844,1697,3845,2291,7978,7979, # 7526 +4544,3010,1239, 580,4545,4265,7980, 914, 936,2074,1190,4032,1039,2123,7981,7982, # 7542 +7983,3386,1473,7984,1354,4266,3846,7985,2172,3064,4033, 915,3305,4267,4268,3306, # 7558 +1605,1834,7986,2739, 398,3601,4269,3847,4034, 328,1912,2847,4035,3848,1331,4270, # 7574 +3011, 937,4271,7987,3602,4036,4037,3387,2160,4546,3388, 524, 742, 538,3065,1012, # 7590 +7988,7989,3849,2461,7990, 658,1103, 225,3850,7991,7992,4547,7993,4548,7994,3236, # 7606 +1243,7995,4038, 963,2246,4549,7996,2705,3603,3161,7997,7998,2588,2327,7999,4550, # 7622 +8000,8001,8002,3489,3307, 957,3389,2540,2032,1930,2927,2462, 870,2018,3604,1746, # 7638 +2770,2771,2434,2463,8003,3851,8004,3723,3107,3724,3490,3390,3725,8005,1179,3066, # 7654 +8006,3162,2373,4272,3726,2541,3163,3108,2740,4039,8007,3391,1556,2542,2292, 977, # 7670 +2887,2033,4040,1205,3392,8008,1765,3393,3164,2124,1271,1689, 714,4551,3491,8009, # 7686 +2328,3852, 533,4273,3605,2181, 617,8010,2464,3308,3492,2310,8011,8012,3165,8013, # 7702 +8014,3853,1987, 618, 427,2641,3493,3394,8015,8016,1244,1690,8017,2806,4274,4552, # 7718 +8018,3494,8019,8020,2279,1576, 473,3606,4275,3395, 972,8021,3607,8022,3067,8023, # 7734 +8024,4553,4554,8025,3727,4041,4042,8026, 153,4555, 356,8027,1891,2888,4276,2143, # 7750 + 408, 803,2352,8028,3854,8029,4277,1646,2570,2511,4556,4557,3855,8030,3856,4278, # 7766 +8031,2411,3396, 752,8032,8033,1961,2964,8034, 746,3012,2465,8035,4279,3728, 698, # 7782 +4558,1892,4280,3608,2543,4559,3609,3857,8036,3166,3397,8037,1823,1302,4043,2706, # 7798 +3858,1973,4281,8038,4282,3167, 823,1303,1288,1236,2848,3495,4044,3398, 774,3859, # 7814 +8039,1581,4560,1304,2849,3860,4561,8040,2435,2161,1083,3237,4283,4045,4284, 344, # 7830 +1173, 288,2311, 454,1683,8041,8042,1461,4562,4046,2589,8043,8044,4563, 985, 894, # 7846 +8045,3399,3168,8046,1913,2928,3729,1988,8047,2110,1974,8048,4047,8049,2571,1194, # 7862 + 425,8050,4564,3169,1245,3730,4285,8051,8052,2850,8053, 636,4565,1855,3861, 760, # 7878 +1799,8054,4286,2209,1508,4566,4048,1893,1684,2293,8055,8056,8057,4287,4288,2210, # 7894 + 479,8058,8059, 832,8060,4049,2489,8061,2965,2490,3731, 990,3109, 627,1814,2642, # 7910 +4289,1582,4290,2125,2111,3496,4567,8062, 799,4291,3170,8063,4568,2112,1737,3013, # 7926 +1018, 543, 754,4292,3309,1676,4569,4570,4050,8064,1489,8065,3497,8066,2614,2889, # 7942 +4051,8067,8068,2966,8069,8070,8071,8072,3171,4571,4572,2182,1722,8073,3238,3239, # 7958 +1842,3610,1715, 481, 365,1975,1856,8074,8075,1962,2491,4573,8076,2126,3611,3240, # 7974 + 433,1894,2063,2075,8077, 602,2741,8078,8079,8080,8081,8082,3014,1628,3400,8083, # 7990 +3172,4574,4052,2890,4575,2512,8084,2544,2772,8085,8086,8087,3310,4576,2891,8088, # 8006 +4577,8089,2851,4578,4579,1221,2967,4053,2513,8090,8091,8092,1867,1989,8093,8094, # 8022 +8095,1895,8096,8097,4580,1896,4054, 318,8098,2094,4055,4293,8099,8100, 485,8101, # 8038 + 938,3862, 553,2670, 116,8102,3863,3612,8103,3498,2671,2773,3401,3311,2807,8104, # 8054 +3613,2929,4056,1747,2930,2968,8105,8106, 207,8107,8108,2672,4581,2514,8109,3015, # 8070 + 890,3614,3864,8110,1877,3732,3402,8111,2183,2353,3403,1652,8112,8113,8114, 941, # 8086 +2294, 208,3499,4057,2019, 330,4294,3865,2892,2492,3733,4295,8115,8116,8117,8118, # 8102 +) + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwprober.py new file mode 100644 index 0000000..35669cc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/euctwprober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCTWDistributionAnalysis +from .mbcssm import EUCTW_SM_MODEL + +class EUCTWProber(MultiByteCharSetProber): + def __init__(self): + super(EUCTWProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCTW_SM_MODEL) + self.distribution_analyzer = EUCTWDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-TW" + + @property + def language(self): + return "Taiwan" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312freq.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312freq.py new file mode 100644 index 0000000..697837b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312freq.py @@ -0,0 +1,283 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# GB2312 most frequently used character table +# +# Char to FreqOrder table , from hz6763 + +# 512 --> 0.79 -- 0.79 +# 1024 --> 0.92 -- 0.13 +# 2048 --> 0.98 -- 0.06 +# 6768 --> 1.00 -- 0.02 +# +# Ideal Distribution Ratio = 0.79135/(1-0.79135) = 3.79 +# Random Distribution Ration = 512 / (3755 - 512) = 0.157 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher that RDR + +GB2312_TYPICAL_DISTRIBUTION_RATIO = 0.9 + +GB2312_TABLE_SIZE = 3760 + +GB2312_CHAR_TO_FREQ_ORDER = ( +1671, 749,1443,2364,3924,3807,2330,3921,1704,3463,2691,1511,1515, 572,3191,2205, +2361, 224,2558, 479,1711, 963,3162, 440,4060,1905,2966,2947,3580,2647,3961,3842, +2204, 869,4207, 970,2678,5626,2944,2956,1479,4048, 514,3595, 588,1346,2820,3409, + 249,4088,1746,1873,2047,1774, 581,1813, 358,1174,3590,1014,1561,4844,2245, 670, +1636,3112, 889,1286, 953, 556,2327,3060,1290,3141, 613, 185,3477,1367, 850,3820, +1715,2428,2642,2303,2732,3041,2562,2648,3566,3946,1349, 388,3098,2091,1360,3585, + 152,1687,1539, 738,1559, 59,1232,2925,2267,1388,1249,1741,1679,2960, 151,1566, +1125,1352,4271, 924,4296, 385,3166,4459, 310,1245,2850, 70,3285,2729,3534,3575, +2398,3298,3466,1960,2265, 217,3647, 864,1909,2084,4401,2773,1010,3269,5152, 853, +3051,3121,1244,4251,1895, 364,1499,1540,2313,1180,3655,2268, 562, 715,2417,3061, + 544, 336,3768,2380,1752,4075, 950, 280,2425,4382, 183,2759,3272, 333,4297,2155, +1688,2356,1444,1039,4540, 736,1177,3349,2443,2368,2144,2225, 565, 196,1482,3406, + 927,1335,4147, 692, 878,1311,1653,3911,3622,1378,4200,1840,2969,3149,2126,1816, +2534,1546,2393,2760, 737,2494, 13, 447, 245,2747, 38,2765,2129,2589,1079, 606, + 360, 471,3755,2890, 404, 848, 699,1785,1236, 370,2221,1023,3746,2074,2026,2023, +2388,1581,2119, 812,1141,3091,2536,1519, 804,2053, 406,1596,1090, 784, 548,4414, +1806,2264,2936,1100, 343,4114,5096, 622,3358, 743,3668,1510,1626,5020,3567,2513, +3195,4115,5627,2489,2991, 24,2065,2697,1087,2719, 48,1634, 315, 68, 985,2052, + 198,2239,1347,1107,1439, 597,2366,2172, 871,3307, 919,2487,2790,1867, 236,2570, +1413,3794, 906,3365,3381,1701,1982,1818,1524,2924,1205, 616,2586,2072,2004, 575, + 253,3099, 32,1365,1182, 197,1714,2454,1201, 554,3388,3224,2748, 756,2587, 250, +2567,1507,1517,3529,1922,2761,2337,3416,1961,1677,2452,2238,3153, 615, 911,1506, +1474,2495,1265,1906,2749,3756,3280,2161, 898,2714,1759,3450,2243,2444, 563, 26, +3286,2266,3769,3344,2707,3677, 611,1402, 531,1028,2871,4548,1375, 261,2948, 835, +1190,4134, 353, 840,2684,1900,3082,1435,2109,1207,1674, 329,1872,2781,4055,2686, +2104, 608,3318,2423,2957,2768,1108,3739,3512,3271,3985,2203,1771,3520,1418,2054, +1681,1153, 225,1627,2929, 162,2050,2511,3687,1954, 124,1859,2431,1684,3032,2894, + 585,4805,3969,2869,2704,2088,2032,2095,3656,2635,4362,2209, 256, 518,2042,2105, +3777,3657, 643,2298,1148,1779, 190, 989,3544, 414, 11,2135,2063,2979,1471, 403, +3678, 126, 770,1563, 671,2499,3216,2877, 600,1179, 307,2805,4937,1268,1297,2694, + 252,4032,1448,1494,1331,1394, 127,2256, 222,1647,1035,1481,3056,1915,1048, 873, +3651, 210, 33,1608,2516, 200,1520, 415, 102, 0,3389,1287, 817, 91,3299,2940, + 836,1814, 549,2197,1396,1669,2987,3582,2297,2848,4528,1070, 687, 20,1819, 121, +1552,1364,1461,1968,2617,3540,2824,2083, 177, 948,4938,2291, 110,4549,2066, 648, +3359,1755,2110,2114,4642,4845,1693,3937,3308,1257,1869,2123, 208,1804,3159,2992, +2531,2549,3361,2418,1350,2347,2800,2568,1291,2036,2680, 72, 842,1990, 212,1233, +1154,1586, 75,2027,3410,4900,1823,1337,2710,2676, 728,2810,1522,3026,4995, 157, + 755,1050,4022, 710, 785,1936,2194,2085,1406,2777,2400, 150,1250,4049,1206, 807, +1910, 534, 529,3309,1721,1660, 274, 39,2827, 661,2670,1578, 925,3248,3815,1094, +4278,4901,4252, 41,1150,3747,2572,2227,4501,3658,4902,3813,3357,3617,2884,2258, + 887, 538,4187,3199,1294,2439,3042,2329,2343,2497,1255, 107, 543,1527, 521,3478, +3568, 194,5062, 15, 961,3870,1241,1192,2664, 66,5215,3260,2111,1295,1127,2152, +3805,4135, 901,1164,1976, 398,1278, 530,1460, 748, 904,1054,1966,1426, 53,2909, + 509, 523,2279,1534, 536,1019, 239,1685, 460,2353, 673,1065,2401,3600,4298,2272, +1272,2363, 284,1753,3679,4064,1695, 81, 815,2677,2757,2731,1386, 859, 500,4221, +2190,2566, 757,1006,2519,2068,1166,1455, 337,2654,3203,1863,1682,1914,3025,1252, +1409,1366, 847, 714,2834,2038,3209, 964,2970,1901, 885,2553,1078,1756,3049, 301, +1572,3326, 688,2130,1996,2429,1805,1648,2930,3421,2750,3652,3088, 262,1158,1254, + 389,1641,1812, 526,1719, 923,2073,1073,1902, 468, 489,4625,1140, 857,2375,3070, +3319,2863, 380, 116,1328,2693,1161,2244, 273,1212,1884,2769,3011,1775,1142, 461, +3066,1200,2147,2212, 790, 702,2695,4222,1601,1058, 434,2338,5153,3640, 67,2360, +4099,2502, 618,3472,1329, 416,1132, 830,2782,1807,2653,3211,3510,1662, 192,2124, + 296,3979,1739,1611,3684, 23, 118, 324, 446,1239,1225, 293,2520,3814,3795,2535, +3116, 17,1074, 467,2692,2201, 387,2922, 45,1326,3055,1645,3659,2817, 958, 243, +1903,2320,1339,2825,1784,3289, 356, 576, 865,2315,2381,3377,3916,1088,3122,1713, +1655, 935, 628,4689,1034,1327, 441, 800, 720, 894,1979,2183,1528,5289,2702,1071, +4046,3572,2399,1571,3281, 79, 761,1103, 327, 134, 758,1899,1371,1615, 879, 442, + 215,2605,2579, 173,2048,2485,1057,2975,3317,1097,2253,3801,4263,1403,1650,2946, + 814,4968,3487,1548,2644,1567,1285, 2, 295,2636, 97, 946,3576, 832, 141,4257, +3273, 760,3821,3521,3156,2607, 949,1024,1733,1516,1803,1920,2125,2283,2665,3180, +1501,2064,3560,2171,1592, 803,3518,1416, 732,3897,4258,1363,1362,2458, 119,1427, + 602,1525,2608,1605,1639,3175, 694,3064, 10, 465, 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+1718,1717,2655,3453,3143,4465, 161,2889,2980,2009,1421, 56,1908,1640,2387,2232, +1917,1874,2477,4921, 148, 83,3438, 592,4245,2882,1822,1055, 741, 115,1496,1624, + 381,1638,4592,1020, 516,3214, 458, 947,4575,1432, 211,1514,2926,1865,2142, 189, + 852,1221,1400,1486, 882,2299,4036, 351, 28,1122, 700,6479,6480,6481,6482,6483, #last 512 +) + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312prober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312prober.py new file mode 100644 index 0000000..8446d2d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/gb2312prober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import GB2312DistributionAnalysis +from .mbcssm import GB2312_SM_MODEL + +class GB2312Prober(MultiByteCharSetProber): + def __init__(self): + super(GB2312Prober, self).__init__() + self.coding_sm = CodingStateMachine(GB2312_SM_MODEL) + self.distribution_analyzer = GB2312DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "GB2312" + + @property + def language(self): + return "Chinese" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/hebrewprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/hebrewprober.py new file mode 100644 index 0000000..b0e1bf4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/hebrewprober.py @@ -0,0 +1,292 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Shy Shalom +# Portions created by the Initial Developer are Copyright (C) 2005 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +# This prober doesn't actually recognize a language or a charset. +# It is a helper prober for the use of the Hebrew model probers + +### General ideas of the Hebrew charset recognition ### +# +# Four main charsets exist in Hebrew: +# "ISO-8859-8" - Visual Hebrew +# "windows-1255" - Logical Hebrew +# "ISO-8859-8-I" - Logical Hebrew +# "x-mac-hebrew" - ?? Logical Hebrew ?? +# +# Both "ISO" charsets use a completely identical set of code points, whereas +# "windows-1255" and "x-mac-hebrew" are two different proper supersets of +# these code points. windows-1255 defines additional characters in the range +# 0x80-0x9F as some misc punctuation marks as well as some Hebrew-specific +# diacritics and additional 'Yiddish' ligature letters in the range 0xc0-0xd6. +# x-mac-hebrew defines similar additional code points but with a different +# mapping. +# +# As far as an average Hebrew text with no diacritics is concerned, all four +# charsets are identical with respect to code points. Meaning that for the +# main Hebrew alphabet, all four map the same values to all 27 Hebrew letters +# (including final letters). +# +# The dominant difference between these charsets is their directionality. +# "Visual" directionality means that the text is ordered as if the renderer is +# not aware of a BIDI rendering algorithm. The renderer sees the text and +# draws it from left to right. The text itself when ordered naturally is read +# backwards. A buffer of Visual Hebrew generally looks like so: +# "[last word of first line spelled backwards] [whole line ordered backwards +# and spelled backwards] [first word of first line spelled backwards] +# [end of line] [last word of second line] ... etc' " +# adding punctuation marks, numbers and English text to visual text is +# naturally also "visual" and from left to right. +# +# "Logical" directionality means the text is ordered "naturally" according to +# the order it is read. It is the responsibility of the renderer to display +# the text from right to left. A BIDI algorithm is used to place general +# punctuation marks, numbers and English text in the text. +# +# Texts in x-mac-hebrew are almost impossible to find on the Internet. From +# what little evidence I could find, it seems that its general directionality +# is Logical. +# +# To sum up all of the above, the Hebrew probing mechanism knows about two +# charsets: +# Visual Hebrew - "ISO-8859-8" - backwards text - Words and sentences are +# backwards while line order is natural. For charset recognition purposes +# the line order is unimportant (In fact, for this implementation, even +# word order is unimportant). +# Logical Hebrew - "windows-1255" - normal, naturally ordered text. +# +# "ISO-8859-8-I" is a subset of windows-1255 and doesn't need to be +# specifically identified. +# "x-mac-hebrew" is also identified as windows-1255. A text in x-mac-hebrew +# that contain special punctuation marks or diacritics is displayed with +# some unconverted characters showing as question marks. This problem might +# be corrected using another model prober for x-mac-hebrew. Due to the fact +# that x-mac-hebrew texts are so rare, writing another model prober isn't +# worth the effort and performance hit. +# +#### The Prober #### +# +# The prober is divided between two SBCharSetProbers and a HebrewProber, +# all of which are managed, created, fed data, inquired and deleted by the +# SBCSGroupProber. The two SBCharSetProbers identify that the text is in +# fact some kind of Hebrew, Logical or Visual. The final decision about which +# one is it is made by the HebrewProber by combining final-letter scores +# with the scores of the two SBCharSetProbers to produce a final answer. +# +# The SBCSGroupProber is responsible for stripping the original text of HTML +# tags, English characters, numbers, low-ASCII punctuation characters, spaces +# and new lines. It reduces any sequence of such characters to a single space. +# The buffer fed to each prober in the SBCS group prober is pure text in +# high-ASCII. +# The two SBCharSetProbers (model probers) share the same language model: +# Win1255Model. +# The first SBCharSetProber uses the model normally as any other +# SBCharSetProber does, to recognize windows-1255, upon which this model was +# built. The second SBCharSetProber is told to make the pair-of-letter +# lookup in the language model backwards. This in practice exactly simulates +# a visual Hebrew model using the windows-1255 logical Hebrew model. +# +# The HebrewProber is not using any language model. All it does is look for +# final-letter evidence suggesting the text is either logical Hebrew or visual +# Hebrew. Disjointed from the model probers, the results of the HebrewProber +# alone are meaningless. HebrewProber always returns 0.00 as confidence +# since it never identifies a charset by itself. Instead, the pointer to the +# HebrewProber is passed to the model probers as a helper "Name Prober". +# When the Group prober receives a positive identification from any prober, +# it asks for the name of the charset identified. If the prober queried is a +# Hebrew model prober, the model prober forwards the call to the +# HebrewProber to make the final decision. In the HebrewProber, the +# decision is made according to the final-letters scores maintained and Both +# model probers scores. The answer is returned in the form of the name of the +# charset identified, either "windows-1255" or "ISO-8859-8". + +class HebrewProber(CharSetProber): + # windows-1255 / ISO-8859-8 code points of interest + FINAL_KAF = 0xea + NORMAL_KAF = 0xeb + FINAL_MEM = 0xed + NORMAL_MEM = 0xee + FINAL_NUN = 0xef + NORMAL_NUN = 0xf0 + FINAL_PE = 0xf3 + NORMAL_PE = 0xf4 + FINAL_TSADI = 0xf5 + NORMAL_TSADI = 0xf6 + + # Minimum Visual vs Logical final letter score difference. + # If the difference is below this, don't rely solely on the final letter score + # distance. + MIN_FINAL_CHAR_DISTANCE = 5 + + # Minimum Visual vs Logical model score difference. + # If the difference is below this, don't rely at all on the model score + # distance. + MIN_MODEL_DISTANCE = 0.01 + + VISUAL_HEBREW_NAME = "ISO-8859-8" + LOGICAL_HEBREW_NAME = "windows-1255" + + def __init__(self): + super(HebrewProber, self).__init__() + self._final_char_logical_score = None + self._final_char_visual_score = None + self._prev = None + self._before_prev = None + self._logical_prober = None + self._visual_prober = None + self.reset() + + def reset(self): + self._final_char_logical_score = 0 + self._final_char_visual_score = 0 + # The two last characters seen in the previous buffer, + # mPrev and mBeforePrev are initialized to space in order to simulate + # a word delimiter at the beginning of the data + self._prev = ' ' + self._before_prev = ' ' + # These probers are owned by the group prober. + + def set_model_probers(self, logicalProber, visualProber): + self._logical_prober = logicalProber + self._visual_prober = visualProber + + def is_final(self, c): + return c in [self.FINAL_KAF, self.FINAL_MEM, self.FINAL_NUN, + self.FINAL_PE, self.FINAL_TSADI] + + def is_non_final(self, c): + # The normal Tsadi is not a good Non-Final letter due to words like + # 'lechotet' (to chat) containing an apostrophe after the tsadi. This + # apostrophe is converted to a space in FilterWithoutEnglishLetters + # causing the Non-Final tsadi to appear at an end of a word even + # though this is not the case in the original text. + # The letters Pe and Kaf rarely display a related behavior of not being + # a good Non-Final letter. Words like 'Pop', 'Winamp' and 'Mubarak' + # for example legally end with a Non-Final Pe or Kaf. However, the + # benefit of these letters as Non-Final letters outweighs the damage + # since these words are quite rare. + return c in [self.NORMAL_KAF, self.NORMAL_MEM, + self.NORMAL_NUN, self.NORMAL_PE] + + def feed(self, byte_str): + # Final letter analysis for logical-visual decision. + # Look for evidence that the received buffer is either logical Hebrew + # or visual Hebrew. + # The following cases are checked: + # 1) A word longer than 1 letter, ending with a final letter. This is + # an indication that the text is laid out "naturally" since the + # final letter really appears at the end. +1 for logical score. + # 2) A word longer than 1 letter, ending with a Non-Final letter. In + # normal Hebrew, words ending with Kaf, Mem, Nun, Pe or Tsadi, + # should not end with the Non-Final form of that letter. Exceptions + # to this rule are mentioned above in isNonFinal(). This is an + # indication that the text is laid out backwards. +1 for visual + # score + # 3) A word longer than 1 letter, starting with a final letter. Final + # letters should not appear at the beginning of a word. This is an + # indication that the text is laid out backwards. +1 for visual + # score. + # + # The visual score and logical score are accumulated throughout the + # text and are finally checked against each other in GetCharSetName(). + # No checking for final letters in the middle of words is done since + # that case is not an indication for either Logical or Visual text. + # + # We automatically filter out all 7-bit characters (replace them with + # spaces) so the word boundary detection works properly. [MAP] + + if self.state == ProbingState.NOT_ME: + # Both model probers say it's not them. No reason to continue. + return ProbingState.NOT_ME + + byte_str = self.filter_high_byte_only(byte_str) + + for cur in byte_str: + if cur == ' ': + # We stand on a space - a word just ended + if self._before_prev != ' ': + # next-to-last char was not a space so self._prev is not a + # 1 letter word + if self.is_final(self._prev): + # case (1) [-2:not space][-1:final letter][cur:space] + self._final_char_logical_score += 1 + elif self.is_non_final(self._prev): + # case (2) [-2:not space][-1:Non-Final letter][ + # cur:space] + self._final_char_visual_score += 1 + else: + # Not standing on a space + if ((self._before_prev == ' ') and + (self.is_final(self._prev)) and (cur != ' ')): + # case (3) [-2:space][-1:final letter][cur:not space] + self._final_char_visual_score += 1 + self._before_prev = self._prev + self._prev = cur + + # Forever detecting, till the end or until both model probers return + # ProbingState.NOT_ME (handled above) + return ProbingState.DETECTING + + @property + def charset_name(self): + # Make the decision: is it Logical or Visual? + # If the final letter score distance is dominant enough, rely on it. + finalsub = self._final_char_logical_score - self._final_char_visual_score + if finalsub >= self.MIN_FINAL_CHAR_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if finalsub <= -self.MIN_FINAL_CHAR_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # It's not dominant enough, try to rely on the model scores instead. + modelsub = (self._logical_prober.get_confidence() + - self._visual_prober.get_confidence()) + if modelsub > self.MIN_MODEL_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if modelsub < -self.MIN_MODEL_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # Still no good, back to final letter distance, maybe it'll save the + # day. + if finalsub < 0.0: + return self.VISUAL_HEBREW_NAME + + # (finalsub > 0 - Logical) or (don't know what to do) default to + # Logical. + return self.LOGICAL_HEBREW_NAME + + @property + def language(self): + return 'Hebrew' + + @property + def state(self): + # Remain active as long as any of the model probers are active. + if (self._logical_prober.state == ProbingState.NOT_ME) and \ + (self._visual_prober.state == ProbingState.NOT_ME): + return ProbingState.NOT_ME + return ProbingState.DETECTING diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jisfreq.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jisfreq.py new file mode 100644 index 0000000..83fc082 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jisfreq.py @@ -0,0 +1,325 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology +# +# Japanese frequency table, applied to both S-JIS and EUC-JP +# They are sorted in order. + +# 128 --> 0.77094 +# 256 --> 0.85710 +# 512 --> 0.92635 +# 1024 --> 0.97130 +# 2048 --> 0.99431 +# +# Ideal Distribution Ratio = 0.92635 / (1-0.92635) = 12.58 +# Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191 +# +# Typical Distribution Ratio, 25% of IDR + +JIS_TYPICAL_DISTRIBUTION_RATIO = 3.0 + +# Char to FreqOrder table , +JIS_TABLE_SIZE = 4368 + +JIS_CHAR_TO_FREQ_ORDER = ( + 40, 1, 6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, # 16 +3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247, 18, 179,5071, 856,1661, # 32 +1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, # 48 +2042,1061,1062, 48, 49, 44, 45, 433, 434,1040,1041, 996, 787,2997,1255,4305, # 64 +2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, # 80 +5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, # 96 +1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, # 112 +5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, # 128 +5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, # 144 +5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, # 160 +5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, # 176 +5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, # 192 +5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, # 208 +1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, # 224 +1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, # 240 +1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, # 256 +2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, # 272 +3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161, 26,3377, 2,3929, 20, # 288 +3691, 47,4100, 50, 17, 16, 35, 268, 27, 243, 42, 155, 24, 154, 29, 184, # 304 + 4, 91, 14, 92, 53, 396, 33, 289, 9, 37, 64, 620, 21, 39, 321, 5, # 320 + 12, 11, 52, 13, 3, 208, 138, 0, 7, 60, 526, 141, 151,1069, 181, 275, # 336 +1591, 83, 132,1475, 126, 331, 829, 15, 69, 160, 59, 22, 157, 55,1079, 312, # 352 + 109, 38, 23, 25, 10, 19, 79,5195, 61, 382,1124, 8, 30,5196,5197,5198, # 368 +5199,5200,5201,5202,5203,5204,5205,5206, 89, 62, 74, 34,2416, 112, 139, 196, # 384 + 271, 149, 84, 607, 131, 765, 46, 88, 153, 683, 76, 874, 101, 258, 57, 80, # 400 + 32, 364, 121,1508, 169,1547, 68, 235, 145,2999, 41, 360,3027, 70, 63, 31, # 416 + 43, 259, 262,1383, 99, 533, 194, 66, 93, 846, 217, 192, 56, 106, 58, 565, # 432 + 280, 272, 311, 256, 146, 82, 308, 71, 100, 128, 214, 655, 110, 261, 104,1140, # 448 + 54, 51, 36, 87, 67,3070, 185,2618,2936,2020, 28,1066,2390,2059,5207,5208, # 464 +5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, # 480 +5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, # 496 +5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, # 512 +4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, # 528 +5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, # 544 +5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, # 560 +5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, # 576 +5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, # 592 +5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, # 608 +5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, # 624 +5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, # 640 +5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, # 656 +5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, # 672 +3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, # 688 +5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, # 704 +5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, # 720 +5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, # 736 +5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, # 752 +5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, # 768 +5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, # 784 +5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, # 800 +5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, # 816 +5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, # 832 +5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, # 848 +5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, # 864 +5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, # 880 +5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, # 896 +5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, # 912 +5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, # 928 +5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, # 944 +5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, # 960 +5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, # 976 +5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, # 992 +5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, # 1008 +5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, # 1024 +5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, # 1040 +5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, # 1056 +5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, # 1072 +5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, # 1088 +5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, # 1104 +5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, # 1120 +5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, # 1136 +5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, # 1152 +5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, # 1168 +5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, # 1184 +5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, # 1200 +5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, # 1216 +5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, # 1232 +5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, # 1248 +5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, # 1264 +5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, # 1280 +5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, # 1296 +6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, # 1312 +6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, # 1328 +6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, # 1344 +6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, # 1360 +6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, # 1376 +6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, # 1392 +6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, # 1408 +6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, # 1424 +4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, # 1440 + 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, # 1456 + 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, # 1472 +1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619, 65,3302,2045, # 1488 +1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, # 1504 + 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, # 1520 +3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, # 1536 +3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, # 1552 + 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, # 1568 +3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, # 1584 +3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, # 1600 + 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, # 1616 +2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, # 1632 + 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, # 1648 +3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, # 1664 +1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, # 1680 + 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, # 1696 +1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, # 1712 + 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, # 1728 +2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, # 1744 +2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, # 1760 +2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, # 1776 +2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, # 1792 +1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, # 1808 +1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, # 1824 +1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, # 1840 +1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, # 1856 +2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, # 1872 +1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, # 1888 +2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, # 1904 +1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, # 1920 +1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, # 1936 +1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, # 1952 +1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, # 1968 +1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, # 1984 +1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, # 2000 + 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, # 2016 + 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, # 2032 +1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, # 2048 +2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, # 2064 +2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, # 2080 +2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, # 2096 +3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, # 2112 +3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, # 2128 + 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, # 2144 +3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, # 2160 +1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876, 78,2287,1482,1277, # 2176 + 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, # 2192 +2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, # 2208 +1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, # 2224 + 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, # 2240 +3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, # 2256 +4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, # 2272 +2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, # 2288 +1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, # 2304 +2601,1919,1078, 75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, # 2320 +1075, 292,3818,1756,2602, 317, 98,3173,3605,3525,1844,2218,3819,2502, 814, 567, # 2336 + 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, # 2352 + 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, # 2368 +1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, # 2384 +2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, # 2400 +2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, # 2416 +2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, # 2432 +3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, # 2448 +1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, # 2464 +2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, # 2480 + 359,2291,1676, 73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, # 2496 + 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, # 2512 + 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, # 2528 +1209, 96, 587,2166,1032, 260,1072,2153, 173, 94, 226,3244, 819,2006,4642,4114, # 2544 +2203, 231,1744, 782, 97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, # 2560 + 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, # 2576 +1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, # 2592 +1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, # 2608 + 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, # 2624 +1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, # 2640 +1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, # 2656 +1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, # 2672 + 764,2861,1853, 688,2429,1920,1462, 77, 595, 415,2002,3034, 798,1192,4115,6144, # 2688 +2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, # 2704 + 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, # 2720 +2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, # 2736 +3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, # 2752 +2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, # 2768 +1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, # 2784 +6147, 441, 762,1771,3447,3607,3608,1904, 840,3037, 86, 939,1385, 572,1370,2445, # 2800 +1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, # 2816 +2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, # 2832 +1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, # 2848 + 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, # 2864 + 72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, # 2880 +3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, # 2896 +3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, # 2912 +1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, # 2928 +1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, # 2944 +1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, # 2960 +1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, # 2976 + 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, # 2992 + 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, # 3008 +2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, # 3024 + 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, # 3040 +3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, # 3056 +2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, # 3072 + 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, # 3088 +1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, # 3104 +2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, # 3120 + 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, # 3136 +1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, # 3152 + 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, # 3168 +4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, # 3184 +2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, # 3200 +1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, # 3216 + 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, # 3232 +1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, # 3248 +2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, # 3264 + 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, # 3280 +6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, # 3296 +1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, # 3312 +1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, # 3328 +2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, # 3344 +3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, # 3360 + 914,2550,2587, 81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, # 3376 +3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, # 3392 +1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, # 3408 + 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, # 3424 +1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, # 3440 + 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, # 3456 +3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, # 3472 + 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, # 3488 +2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, # 3504 + 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, # 3520 +4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, # 3536 +2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, # 3552 +1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, # 3568 +1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, # 3584 +1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, # 3600 + 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, # 3616 +1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, # 3632 +3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, # 3648 +1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, # 3664 +3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, # 3680 + 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, # 3696 + 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, # 3712 + 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, # 3728 +2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, # 3744 +1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, # 3760 + 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, # 3776 +1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, # 3792 + 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, # 3808 +1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, # 3824 + 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, # 3840 + 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, # 3856 + 480,2083,1774,3458, 923,2279,1350, 221,3086, 85,2233,2234,3835,1585,3010,2147, # 3872 +1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, # 3888 +1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, # 3904 +2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, # 3920 +4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, # 3936 + 227,1351,1645,2453,2193,1421,2887, 812,2121, 634, 95,2435, 201,2312,4665,1646, # 3952 +1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, # 3968 + 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, # 3984 +1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, # 4000 +3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, # 4016 +1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, # 4032 +2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, # 4048 +2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, # 4064 +1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, # 4080 +1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, # 4096 +2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, # 4112 + 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, # 4128 +2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, # 4144 +1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, # 4160 +1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, # 4176 +1279,2136,1697,2335, 204, 721,2097,3838, 90,6186,2085,2505, 191,3967, 124,2148, # 4192 +1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, # 4208 +3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, # 4224 +2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, # 4240 +2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, # 4256 + 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, # 4272 +3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, # 4288 +3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, # 4304 +1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, # 4320 +2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, # 4336 +1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, # 4352 +2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, # 4368 #last 512 +) + + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jpcntx.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jpcntx.py new file mode 100644 index 0000000..20044e4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/jpcntx.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +# This is hiragana 2-char sequence table, the number in each cell represents its frequency category +jp2CharContext = ( +(0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1), +(2,4,0,4,0,3,0,4,0,3,4,4,4,2,4,3,3,4,3,2,3,3,4,2,3,3,3,2,4,1,4,3,3,1,5,4,3,4,3,4,3,5,3,0,3,5,4,2,0,3,1,0,3,3,0,3,3,0,1,1,0,4,3,0,3,3,0,4,0,2,0,3,5,5,5,5,4,0,4,1,0,3,4), +(0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2), 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+(0,1,0,3,0,4,0,3,0,2,4,3,1,0,3,2,2,1,3,1,2,2,3,1,1,1,2,1,3,0,1,2,0,1,3,2,1,3,0,5,5,1,0,0,1,3,2,1,0,3,0,0,1,0,0,0,0,0,3,4,0,1,1,1,3,2,0,2,0,1,0,2,3,3,1,2,3,0,1,0,1,0,4), +(0,0,0,1,0,3,0,3,0,2,2,1,0,0,4,0,3,0,3,1,3,0,3,0,3,0,1,0,3,0,3,1,3,0,3,3,0,0,1,2,1,1,1,0,1,2,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,2,2,1,2,0,0,2,0,0,0,0,2,3,3,3,3,0,0,0,0,1,4), +(0,0,0,3,0,3,0,0,0,0,3,1,1,0,3,0,1,0,2,0,1,0,0,0,0,0,0,0,1,0,3,0,2,0,2,3,0,0,2,2,3,1,2,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,2,0,0,0,0,2,3), +(2,4,0,5,0,5,0,4,0,3,4,3,3,3,4,3,3,3,4,3,4,4,5,4,5,5,5,2,3,0,5,5,4,1,5,4,3,1,5,4,3,4,4,3,3,4,3,3,0,3,2,0,2,3,0,3,0,0,3,3,0,5,3,2,3,3,0,3,0,3,0,3,4,5,4,5,3,0,4,3,0,3,4), +(0,3,0,3,0,3,0,3,0,3,3,4,3,2,3,2,3,0,4,3,3,3,3,3,3,3,3,0,3,2,4,3,3,1,3,4,3,4,4,4,3,4,4,3,2,4,4,1,0,2,0,0,1,1,0,2,0,0,3,1,0,5,3,2,1,3,0,3,0,1,2,4,3,2,4,3,3,0,3,2,0,4,4), 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+(0,3,0,3,0,2,0,3,0,1,5,4,3,3,3,1,4,2,1,2,3,4,4,2,4,4,5,0,3,1,4,3,4,0,4,3,3,3,2,3,2,5,3,4,3,2,2,3,0,0,3,0,2,1,0,1,2,0,0,0,0,2,1,1,3,1,0,2,0,4,0,3,4,4,4,5,2,0,2,0,0,1,3), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,4,2,1,1,0,1,0,3,2,0,0,3,1,1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,1,0,0,0,2,0,0,0,1,4,0,4,2,1,0,0,0,0,0,1), +(0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,3,1,0,0,0,2,0,2,1,0,0,1,2,1,0,1,1,0,0,3,0,0,0,0,0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,1,0,0,2,1,0,0,0,0,0,0,0,0,2), +(0,4,0,4,0,4,0,3,0,4,4,3,4,2,4,3,2,0,4,4,4,3,5,3,5,3,3,2,4,2,4,3,4,3,1,4,0,2,3,4,4,4,3,3,3,4,4,4,3,4,1,3,4,3,2,1,2,1,3,3,3,4,4,3,3,5,0,4,0,3,0,4,3,3,3,2,1,0,3,0,0,3,3), +(0,4,0,3,0,3,0,3,0,3,5,5,3,3,3,3,4,3,4,3,3,3,4,4,4,3,3,3,3,4,3,5,3,3,1,3,2,4,5,5,5,5,4,3,4,5,5,3,2,2,3,3,3,3,2,3,3,1,2,3,2,4,3,3,3,4,0,4,0,2,0,4,3,2,2,1,2,0,3,0,0,4,1), +) + +class JapaneseContextAnalysis(object): + NUM_OF_CATEGORY = 6 + DONT_KNOW = -1 + ENOUGH_REL_THRESHOLD = 100 + MAX_REL_THRESHOLD = 1000 + MINIMUM_DATA_THRESHOLD = 4 + + def __init__(self): + self._total_rel = None + self._rel_sample = None + self._need_to_skip_char_num = None + self._last_char_order = None + self._done = None + self.reset() + + def reset(self): + self._total_rel = 0 # total sequence received + # category counters, each integer counts sequence in its category + self._rel_sample = [0] * self.NUM_OF_CATEGORY + # if last byte in current buffer is not the last byte of a character, + # we need to know how many bytes to skip in next buffer + self._need_to_skip_char_num = 0 + self._last_char_order = -1 # The order of previous char + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + + def feed(self, byte_str, num_bytes): + if self._done: + return + + # The buffer we got is byte oriented, and a character may span in more than one + # buffers. In case the last one or two byte in last buffer is not + # complete, we record how many byte needed to complete that character + # and skip these bytes here. We can choose to record those bytes as + # well and analyse the character once it is complete, but since a + # character will not make much difference, by simply skipping + # this character will simply our logic and improve performance. + i = self._need_to_skip_char_num + while i < num_bytes: + order, char_len = self.get_order(byte_str[i:i + 2]) + i += char_len + if i > num_bytes: + self._need_to_skip_char_num = i - num_bytes + self._last_char_order = -1 + else: + if (order != -1) and (self._last_char_order != -1): + self._total_rel += 1 + if self._total_rel > self.MAX_REL_THRESHOLD: + self._done = True + break + self._rel_sample[jp2CharContext[self._last_char_order][order]] += 1 + self._last_char_order = order + + def got_enough_data(self): + return self._total_rel > self.ENOUGH_REL_THRESHOLD + + def get_confidence(self): + # This is just one way to calculate confidence. It works well for me. + if self._total_rel > self.MINIMUM_DATA_THRESHOLD: + return (self._total_rel - self._rel_sample[0]) / self._total_rel + else: + return self.DONT_KNOW + + def get_order(self, byte_str): + return -1, 1 + +class SJISContextAnalysis(JapaneseContextAnalysis): + def __init__(self): + super(SJISContextAnalysis, self).__init__() + self._charset_name = "SHIFT_JIS" + + @property + def charset_name(self): + return self._charset_name + + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (0x81 <= first_char <= 0x9F) or (0xE0 <= first_char <= 0xFC): + char_len = 2 + if (first_char == 0x87) or (0xFA <= first_char <= 0xFC): + self._charset_name = "CP932" + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 202) and (0x9F <= second_char <= 0xF1): + return second_char - 0x9F, char_len + + return -1, char_len + +class EUCJPContextAnalysis(JapaneseContextAnalysis): + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (first_char == 0x8E) or (0xA1 <= first_char <= 0xFE): + char_len = 2 + elif first_char == 0x8F: + char_len = 3 + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 0xA4) and (0xA1 <= second_char <= 0xF3): + return second_char - 0xA1, char_len + + return -1, char_len + + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langbulgarianmodel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langbulgarianmodel.py new file mode 100644 index 0000000..2aa4fb2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langbulgarianmodel.py @@ -0,0 +1,228 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +# this table is modified base on win1251BulgarianCharToOrderMap, so +# only number <64 is sure valid + +Latin5_BulgarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 77, 90, 99,100, 72,109,107,101, 79,185, 81,102, 76, 94, 82, # 40 +110,186,108, 91, 74,119, 84, 96,111,187,115,253,253,253,253,253, # 50 +253, 65, 69, 70, 66, 63, 68,112,103, 92,194,104, 95, 86, 87, 71, # 60 +116,195, 85, 93, 97,113,196,197,198,199,200,253,253,253,253,253, # 70 +194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209, # 80 +210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225, # 90 + 81,226,227,228,229,230,105,231,232,233,234,235,236, 45,237,238, # a0 + 31, 32, 35, 43, 37, 44, 55, 47, 40, 59, 33, 46, 38, 36, 41, 30, # b0 + 39, 28, 34, 51, 48, 49, 53, 50, 54, 57, 61,239, 67,240, 60, 56, # c0 + 1, 18, 9, 20, 11, 3, 23, 15, 2, 26, 12, 10, 14, 6, 4, 13, # d0 + 7, 8, 5, 19, 29, 25, 22, 21, 27, 24, 17, 75, 52,241, 42, 16, # e0 + 62,242,243,244, 58,245, 98,246,247,248,249,250,251, 91,252,253, # f0 +) + +win1251BulgarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 77, 90, 99,100, 72,109,107,101, 79,185, 81,102, 76, 94, 82, # 40 +110,186,108, 91, 74,119, 84, 96,111,187,115,253,253,253,253,253, # 50 +253, 65, 69, 70, 66, 63, 68,112,103, 92,194,104, 95, 86, 87, 71, # 60 +116,195, 85, 93, 97,113,196,197,198,199,200,253,253,253,253,253, # 70 +206,207,208,209,210,211,212,213,120,214,215,216,217,218,219,220, # 80 +221, 78, 64, 83,121, 98,117,105,222,223,224,225,226,227,228,229, # 90 + 88,230,231,232,233,122, 89,106,234,235,236,237,238, 45,239,240, # a0 + 73, 80,118,114,241,242,243,244,245, 62, 58,246,247,248,249,250, # b0 + 31, 32, 35, 43, 37, 44, 55, 47, 40, 59, 33, 46, 38, 36, 41, 30, # c0 + 39, 28, 34, 51, 48, 49, 53, 50, 54, 57, 61,251, 67,252, 60, 56, # d0 + 1, 18, 9, 20, 11, 3, 23, 15, 2, 26, 12, 10, 14, 6, 4, 13, # e0 + 7, 8, 5, 19, 29, 25, 22, 21, 27, 24, 17, 75, 52,253, 42, 16, # f0 +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 96.9392% +# first 1024 sequences:3.0618% +# rest sequences: 0.2992% +# negative sequences: 0.0020% +BulgarianLangModel = ( +0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,3,3,3,3,3,3,3,3,2,3,3,3,3,3, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,2,2,3,2,2,1,2,2, +3,1,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,3,3,3,3,3,3,3,0,3,0,1, +0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,3,2,3,3,3,3,3,3,3,3,0,3,1,0, +0,1,0,0,0,0,0,0,0,0,1,1,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, +3,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,1,3,2,3,3,3,3,3,3,3,3,0,3,0,0, +0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,2,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,1,3,2,3,3,3,3,3,3,3,3,0,3,0,0, +0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,2,3,2,2,1,3,3,3,3,2,2,2,1,1,2,0,1,0,1,0,0, +0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,1, 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+Win1251BulgarianModel = { + 'char_to_order_map': win1251BulgarianCharToOrderMap, + 'precedence_matrix': BulgarianLangModel, + 'typical_positive_ratio': 0.969392, + 'keep_english_letter': False, + 'charset_name': "windows-1251", + 'language': 'Bulgarian', +} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langcyrillicmodel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langcyrillicmodel.py new file mode 100644 index 0000000..e5f9a1f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langcyrillicmodel.py @@ -0,0 +1,333 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# KOI8-R language model +# Character Mapping Table: +KOI8R_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, # 80 +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, # 90 +223,224,225, 68,226,227,228,229,230,231,232,233,234,235,236,237, # a0 +238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253, # b0 + 27, 3, 21, 28, 13, 2, 39, 19, 26, 4, 23, 11, 8, 12, 5, 1, # c0 + 15, 16, 9, 7, 6, 14, 24, 10, 17, 18, 20, 25, 30, 29, 22, 54, # d0 + 59, 37, 44, 58, 41, 48, 53, 46, 55, 42, 60, 36, 49, 38, 31, 34, # e0 + 35, 43, 45, 32, 40, 52, 56, 33, 61, 62, 51, 57, 47, 63, 50, 70, # f0 +) + +win1251_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, +239,240,241,242,243,244,245,246, 68,247,248,249,250,251,252,253, + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +) + +latin5_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +239, 68,240,241,242,243,244,245,246,247,248,249,250,251,252,255, +) + +macCyrillic_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, +239,240,241,242,243,244,245,246,247,248,249,250,251,252, 68, 16, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27,255, +) + +IBM855_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 +191,192,193,194, 68,195,196,197,198,199,200,201,202,203,204,205, +206,207,208,209,210,211,212,213,214,215,216,217, 27, 59, 54, 70, + 3, 37, 21, 44, 28, 58, 13, 41, 2, 48, 39, 53, 19, 46,218,219, +220,221,222,223,224, 26, 55, 4, 42,225,226,227,228, 23, 60,229, +230,231,232,233,234,235, 11, 36,236,237,238,239,240,241,242,243, + 8, 49, 12, 38, 5, 31, 1, 34, 15,244,245,246,247, 35, 16,248, + 43, 9, 45, 7, 32, 6, 40, 14, 52, 24, 56, 10, 33, 17, 61,249, +250, 18, 62, 20, 51, 25, 57, 30, 47, 29, 63, 22, 50,251,252,255, +) + +IBM866_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,142,143,144,145,146,147,148,149,150,151,152, 74,153, 75,154, # 40 +155,156,157,158,159,160,161,162,163,164,165,253,253,253,253,253, # 50 +253, 71,172, 66,173, 65,174, 76,175, 64,176,177, 77, 72,178, 69, # 60 + 67,179, 78, 73,180,181, 79,182,183,184,185,253,253,253,253,253, # 70 + 37, 44, 33, 46, 41, 48, 56, 51, 42, 60, 36, 49, 38, 31, 34, 35, + 45, 32, 40, 52, 53, 55, 58, 50, 57, 63, 70, 62, 61, 47, 59, 43, + 3, 21, 10, 19, 13, 2, 24, 20, 4, 23, 11, 8, 12, 5, 1, 15, +191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206, +207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222, +223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238, + 9, 7, 6, 14, 39, 26, 28, 22, 25, 29, 54, 18, 17, 30, 27, 16, +239, 68,240,241,242,243,244,245,246,247,248,249,250,251,252,255, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 97.6601% +# first 1024 sequences: 2.3389% +# rest sequences: 0.1237% +# negative sequences: 0.0009% +RussianLangModel = ( +0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,1,1,3,3,3,3,1,3,3,3,2,3,2,3,3, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,2,2,2,2,2,0,0,2, +3,3,3,2,3,3,3,3,3,3,3,3,3,3,2,3,3,0,0,3,3,3,3,3,3,3,3,3,2,3,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,2,2,3,3,3,3,3,3,3,3,3,2,3,3,0,0,3,3,3,3,3,3,3,3,2,3,3,1,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,2,3,2,3,3,3,3,3,3,3,3,3,3,3,3,3,0,0,3,3,3,3,3,3,3,3,3,3,3,2,1, +0,0,0,0,0,0,0,2,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,3,3,0,0,3,3,3,3,3,3,3,3,3,3,3,2,1, +0,0,0,0,0,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,2,2,2,3,1,3,3,1,3,3,3,3,2,2,3,0,2,2,2,3,3,2,1,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,2,3,3,3,3,3,2,2,3,2,3,3,3,2,1,2,2,0,1,2,2,2,2,2,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,2,2,3,0,2,2,3,3,2,1,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,1,0,0,2,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,2,3,3,1,2,3,2,2,3,2,3,3,3,3,2,2,3,0,3,2,2,3,1,1,1,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,2,2,3,3,3,3,3,2,3,3,3,3,2,2,2,0,3,3,3,2,2,2,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,2,3,2,3,3,3,3,3,3,2,3,2,2,0,1,3,2,1,2,2,1,0, +0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,2,1,1,3,0,1,1,1,1,2,1,1,0,2,2,2,1,2,0,1,0, +0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,2,3,3,2,2,2,2,1,3,2,3,2,3,2,1,2,2,0,1,1,2,1,2,1,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,3,2,2,3,2,3,3,3,2,2,2,2,0,2,2,2,2,3,1,1,0, +0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0, +3,2,3,2,2,3,3,3,3,3,3,3,3,3,1,3,2,0,0,3,3,3,3,2,3,3,3,3,2,3,2,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +2,3,3,3,3,3,2,2,3,3,0,2,1,0,3,2,3,2,3,0,0,1,2,0,0,1,0,1,2,1,1,0, +0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,0,3,0,2,3,3,3,3,2,3,3,3,3,1,2,2,0,0,2,3,2,2,2,3,2,3,2,2,3,0,0, +0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,2,3,0,2,3,2,3,0,1,2,3,3,2,0,2,3,0,0,2,3,2,2,0,1,3,1,3,2,2,1,0, +0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +3,1,3,0,2,3,3,3,3,3,3,3,3,2,1,3,2,0,0,2,2,3,3,3,2,3,3,0,2,2,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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+Koi8rModel = { + 'char_to_order_map': KOI8R_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "KOI8-R", + 'language': 'Russian', +} + +Win1251CyrillicModel = { + 'char_to_order_map': win1251_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "windows-1251", + 'language': 'Russian', +} + +Latin5CyrillicModel = { + 'char_to_order_map': latin5_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "ISO-8859-5", + 'language': 'Russian', +} + +MacCyrillicModel = { + 'char_to_order_map': macCyrillic_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "MacCyrillic", + 'language': 'Russian', +} + +Ibm866Model = { + 'char_to_order_map': IBM866_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "IBM866", + 'language': 'Russian', +} + +Ibm855Model = { + 'char_to_order_map': IBM855_char_to_order_map, + 'precedence_matrix': RussianLangModel, + 'typical_positive_ratio': 0.976601, + 'keep_english_letter': False, + 'charset_name': "IBM855", + 'language': 'Russian', +} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langgreekmodel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langgreekmodel.py new file mode 100644 index 0000000..5332221 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langgreekmodel.py @@ -0,0 +1,225 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin7_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 82,100,104, 94, 98,101,116,102,111,187,117, 92, 88,113, 85, # 40 + 79,118,105, 83, 67,114,119, 95, 99,109,188,253,253,253,253,253, # 50 +253, 72, 70, 80, 81, 60, 96, 93, 89, 68,120, 97, 77, 86, 69, 55, # 60 + 78,115, 65, 66, 58, 76,106,103, 87,107,112,253,253,253,253,253, # 70 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 80 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 90 +253,233, 90,253,253,253,253,253,253,253,253,253,253, 74,253,253, # a0 +253,253,253,253,247,248, 61, 36, 46, 71, 73,253, 54,253,108,123, # b0 +110, 31, 51, 43, 41, 34, 91, 40, 52, 47, 44, 53, 38, 49, 59, 39, # c0 + 35, 48,250, 37, 33, 45, 56, 50, 84, 57,120,121, 17, 18, 22, 15, # d0 +124, 1, 29, 20, 21, 3, 32, 13, 25, 5, 11, 16, 10, 6, 30, 4, # e0 + 9, 8, 14, 7, 2, 12, 28, 23, 42, 24, 64, 75, 19, 26, 27,253, # f0 +) + +win1253_char_to_order_map = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 82,100,104, 94, 98,101,116,102,111,187,117, 92, 88,113, 85, # 40 + 79,118,105, 83, 67,114,119, 95, 99,109,188,253,253,253,253,253, # 50 +253, 72, 70, 80, 81, 60, 96, 93, 89, 68,120, 97, 77, 86, 69, 55, # 60 + 78,115, 65, 66, 58, 76,106,103, 87,107,112,253,253,253,253,253, # 70 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 80 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 90 +253,233, 61,253,253,253,253,253,253,253,253,253,253, 74,253,253, # a0 +253,253,253,253,247,253,253, 36, 46, 71, 73,253, 54,253,108,123, # b0 +110, 31, 51, 43, 41, 34, 91, 40, 52, 47, 44, 53, 38, 49, 59, 39, # c0 + 35, 48,250, 37, 33, 45, 56, 50, 84, 57,120,121, 17, 18, 22, 15, # d0 +124, 1, 29, 20, 21, 3, 32, 13, 25, 5, 11, 16, 10, 6, 30, 4, # e0 + 9, 8, 14, 7, 2, 12, 28, 23, 42, 24, 64, 75, 19, 26, 27,253, # f0 +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 98.2851% +# first 1024 sequences:1.7001% +# rest sequences: 0.0359% +# negative sequences: 0.0148% +GreekLangModel = ( +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,3,2,2,3,3,3,3,3,3,3,3,1,3,3,3,0,2,2,3,3,0,3,0,3,2,0,3,3,3,0, +3,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,3,3,3,3,3,0,3,3,0,3,2,3,3,0,3,2,3,3,3,0,0,3,0,3,0,3,3,2,0,0,0, +2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0, +0,2,3,2,2,3,3,3,3,3,3,3,3,0,3,3,3,3,0,2,3,3,0,3,3,3,3,2,3,3,3,0, +2,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,2,3,3,2,3,3,3,3,3,3,3,3,3,3,3,3,0,2,1,3,3,3,3,2,3,3,2,3,3,2,0, +0,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,3,3,3,3,0,3,3,3,3,3,3,0,3,3,0,3,3,3,3,3,3,3,3,3,3,0,3,2,3,3,0, +2,0,1,0,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, +0,3,3,3,3,3,2,3,0,0,0,0,3,3,0,3,1,3,3,3,0,3,3,0,3,3,3,3,0,0,0,0, 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GreekLangModel, + 'typical_positive_ratio': 0.982851, + 'keep_english_letter': False, + 'charset_name': "windows-1253", + 'language': 'Greek', +} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langhebrewmodel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langhebrewmodel.py new file mode 100644 index 0000000..58f4c87 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langhebrewmodel.py @@ -0,0 +1,200 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Simon Montagu +# Portions created by the Initial Developer are Copyright (C) 2005 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Shoshannah Forbes - original C code (?) +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Windows-1255 language model +# Character Mapping Table: +WIN1255_CHAR_TO_ORDER_MAP = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 69, 91, 79, 80, 92, 89, 97, 90, 68,111,112, 82, 73, 95, 85, # 40 + 78,121, 86, 71, 67,102,107, 84,114,103,115,253,253,253,253,253, # 50 +253, 50, 74, 60, 61, 42, 76, 70, 64, 53,105, 93, 56, 65, 54, 49, # 60 + 66,110, 51, 43, 44, 63, 81, 77, 98, 75,108,253,253,253,253,253, # 70 +124,202,203,204,205, 40, 58,206,207,208,209,210,211,212,213,214, +215, 83, 52, 47, 46, 72, 32, 94,216,113,217,109,218,219,220,221, + 34,116,222,118,100,223,224,117,119,104,125,225,226, 87, 99,227, +106,122,123,228, 55,229,230,101,231,232,120,233, 48, 39, 57,234, + 30, 59, 41, 88, 33, 37, 36, 31, 29, 35,235, 62, 28,236,126,237, +238, 38, 45,239,240,241,242,243,127,244,245,246,247,248,249,250, + 9, 8, 20, 16, 3, 2, 24, 14, 22, 1, 25, 15, 4, 11, 6, 23, + 12, 19, 13, 26, 18, 27, 21, 17, 7, 10, 5,251,252,128, 96,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 98.4004% +# first 1024 sequences: 1.5981% +# rest sequences: 0.087% +# negative sequences: 0.0015% +HEBREW_LANG_MODEL = ( +0,3,3,3,3,3,3,3,3,3,3,2,3,3,3,3,3,3,3,3,3,3,3,2,3,2,1,2,0,1,0,0, 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b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langhungarianmodel.py @@ -0,0 +1,225 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin2_HungarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 28, 40, 54, 45, 32, 50, 49, 38, 39, 53, 36, 41, 34, 35, 47, + 46, 71, 43, 33, 37, 57, 48, 64, 68, 55, 52,253,253,253,253,253, +253, 2, 18, 26, 17, 1, 27, 12, 20, 9, 22, 7, 6, 13, 4, 8, + 23, 67, 10, 5, 3, 21, 19, 65, 62, 16, 11,253,253,253,253,253, +159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174, +175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190, +191,192,193,194,195,196,197, 75,198,199,200,201,202,203,204,205, + 79,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220, +221, 51, 81,222, 78,223,224,225,226, 44,227,228,229, 61,230,231, +232,233,234, 58,235, 66, 59,236,237,238, 60, 69, 63,239,240,241, + 82, 14, 74,242, 70, 80,243, 72,244, 15, 83, 77, 84, 30, 76, 85, +245,246,247, 25, 73, 42, 24,248,249,250, 31, 56, 29,251,252,253, +) + +win1250HungarianCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253, 28, 40, 54, 45, 32, 50, 49, 38, 39, 53, 36, 41, 34, 35, 47, + 46, 72, 43, 33, 37, 57, 48, 64, 68, 55, 52,253,253,253,253,253, +253, 2, 18, 26, 17, 1, 27, 12, 20, 9, 22, 7, 6, 13, 4, 8, + 23, 67, 10, 5, 3, 21, 19, 65, 62, 16, 11,253,253,253,253,253, +161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176, +177,178,179,180, 78,181, 69,182,183,184,185,186,187,188,189,190, +191,192,193,194,195,196,197, 76,198,199,200,201,202,203,204,205, + 81,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220, +221, 51, 83,222, 80,223,224,225,226, 44,227,228,229, 61,230,231, +232,233,234, 58,235, 66, 59,236,237,238, 60, 70, 63,239,240,241, + 84, 14, 75,242, 71, 82,243, 73,244, 15, 85, 79, 86, 30, 77, 87, +245,246,247, 25, 74, 42, 24,248,249,250, 31, 56, 29,251,252,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 94.7368% +# first 1024 sequences:5.2623% +# rest sequences: 0.8894% +# negative sequences: 0.0009% +HungarianLangModel = ( +0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,1,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, +3,3,3,3,3,3,3,3,3,3,2,3,3,3,3,3,3,3,3,2,2,3,3,1,1,2,2,2,2,2,1,2, +3,2,2,3,3,3,3,3,2,3,3,3,3,3,3,1,2,3,3,3,3,2,3,3,1,1,3,3,0,1,1,1, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0, +3,2,1,3,3,3,3,3,2,3,3,3,3,3,1,1,2,3,3,3,3,3,3,3,1,1,3,2,0,1,1,1, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0, +3,3,3,3,3,3,3,3,3,3,3,1,1,2,3,3,3,1,3,3,3,3,3,1,3,3,2,2,0,3,2,3, +0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0, +3,3,3,3,3,3,2,3,3,3,2,3,3,2,3,3,3,3,3,2,3,3,2,2,3,2,3,2,0,3,2,2, +0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0, +3,3,3,3,3,3,2,3,3,3,3,3,2,3,3,3,1,2,3,2,2,3,1,2,3,3,2,2,0,3,3,3, +0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,2,2,3,3,3,3,3,3,2,3,3,3,3,2,3,3,3,3,0,2,3,2, +0,0,0,1,1,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, +3,3,3,3,3,3,3,3,3,3,3,1,1,1,3,3,2,1,3,2,2,3,2,1,3,2,2,1,0,3,3,1, 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'charset_name': "windows-1250", + 'language': 'Hungarian', +} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langthaimodel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langthaimodel.py new file mode 100644 index 0000000..15f94c2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langthaimodel.py @@ -0,0 +1,199 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# The following result for thai was collected from a limited sample (1M). + +# Character Mapping Table: +TIS620CharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,254,255,255,254,255,255, # 00 +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, # 10 +253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253, # 20 +252,252,252,252,252,252,252,252,252,252,253,253,253,253,253,253, # 30 +253,182,106,107,100,183,184,185,101, 94,186,187,108,109,110,111, # 40 +188,189,190, 89, 95,112,113,191,192,193,194,253,253,253,253,253, # 50 +253, 64, 72, 73,114, 74,115,116,102, 81,201,117, 90,103, 78, 82, # 60 + 96,202, 91, 79, 84,104,105, 97, 98, 92,203,253,253,253,253,253, # 70 +209,210,211,212,213, 88,214,215,216,217,218,219,220,118,221,222, +223,224, 99, 85, 83,225,226,227,228,229,230,231,232,233,234,235, +236, 5, 30,237, 24,238, 75, 8, 26, 52, 34, 51,119, 47, 58, 57, + 49, 53, 55, 43, 20, 19, 44, 14, 48, 3, 17, 25, 39, 62, 31, 54, + 45, 9, 16, 2, 61, 15,239, 12, 42, 46, 18, 21, 76, 4, 66, 63, + 22, 10, 1, 36, 23, 13, 40, 27, 32, 35, 86,240,241,242,243,244, + 11, 28, 41, 29, 33,245, 50, 37, 6, 7, 67, 77, 38, 93,246,247, + 68, 56, 59, 65, 69, 60, 70, 80, 71, 87,248,249,250,251,252,253, +) + +# Model Table: +# total sequences: 100% +# first 512 sequences: 92.6386% +# first 1024 sequences:7.3177% +# rest sequences: 1.0230% +# negative sequences: 0.0436% +ThaiLangModel = ( 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0000000..a427a45 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/langturkishmodel.py @@ -0,0 +1,193 @@ +# -*- coding: utf-8 -*- +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Özgür Baskın - Turkish Language Model +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# 255: Control characters that usually does not exist in any text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 + +# Character Mapping Table: +Latin5_TurkishCharToOrderMap = ( +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, +255, 23, 37, 47, 39, 29, 52, 36, 45, 53, 60, 16, 49, 20, 46, 42, + 48, 69, 44, 35, 31, 51, 38, 62, 65, 43, 56,255,255,255,255,255, +255, 1, 21, 28, 12, 2, 18, 27, 25, 3, 24, 10, 5, 13, 4, 15, + 26, 64, 7, 8, 9, 14, 32, 57, 58, 11, 22,255,255,255,255,255, +180,179,178,177,176,175,174,173,172,171,170,169,168,167,166,165, +164,163,162,161,160,159,101,158,157,156,155,154,153,152,151,106, +150,149,148,147,146,145,144,100,143,142,141,140,139,138,137,136, + 94, 80, 93,135,105,134,133, 63,132,131,130,129,128,127,126,125, +124,104, 73, 99, 79, 85,123, 54,122, 98, 92,121,120, 91,103,119, + 68,118,117, 97,116,115, 50, 90,114,113,112,111, 55, 41, 40, 86, + 89, 70, 59, 78, 71, 82, 88, 33, 77, 66, 84, 83,110, 75, 61, 96, + 30, 67,109, 74, 87,102, 34, 95, 81,108, 76, 72, 17, 6, 19,107, +) + +TurkishLangModel = ( +3,2,3,3,3,1,3,3,3,3,3,3,3,3,2,1,1,3,3,1,3,3,0,3,3,3,3,3,0,3,1,3, +3,2,1,0,0,1,1,0,0,0,1,0,0,1,1,1,1,0,0,0,0,0,0,0,2,2,0,0,1,0,0,1, +3,2,2,3,3,0,3,3,3,3,3,3,3,2,3,1,0,3,3,1,3,3,0,3,3,3,3,3,0,3,0,3, +3,1,1,0,1,0,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,2,2,0,0,0,1,0,1, +3,3,2,3,3,0,3,3,3,3,3,3,3,2,3,1,1,3,3,0,3,3,1,2,3,3,3,3,0,3,0,3, 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Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +FREQ_CAT_NUM = 4 + +UDF = 0 # undefined +OTH = 1 # other +ASC = 2 # ascii capital letter +ASS = 3 # ascii small letter +ACV = 4 # accent capital vowel +ACO = 5 # accent capital other +ASV = 6 # accent small vowel +ASO = 7 # accent small other +CLASS_NUM = 8 # total classes + +Latin1_CharToClass = ( + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 00 - 07 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 08 - 0F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 10 - 17 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 18 - 1F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 20 - 27 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 28 - 2F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 30 - 37 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 38 - 3F + OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 40 - 47 + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 48 - 4F + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 50 - 57 + ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH, # 58 - 5F + OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 60 - 67 + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 68 - 6F + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 70 - 77 + ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH, # 78 - 7F + OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH, # 80 - 87 + OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF, # 88 - 8F + UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 90 - 97 + OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO, # 98 - 9F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A0 - A7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A8 - AF + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B0 - B7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B8 - BF + ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO, # C0 - C7 + ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV, # C8 - CF + ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH, # D0 - D7 + ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO, # D8 - DF + ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO, # E0 - E7 + ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV, # E8 - EF + ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH, # F0 - F7 + ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO, # F8 - FF +) + +# 0 : illegal +# 1 : very unlikely +# 2 : normal +# 3 : very likely +Latin1ClassModel = ( +# UDF OTH ASC ASS ACV ACO ASV ASO + 0, 0, 0, 0, 0, 0, 0, 0, # UDF + 0, 3, 3, 3, 3, 3, 3, 3, # OTH + 0, 3, 3, 3, 3, 3, 3, 3, # ASC + 0, 3, 3, 3, 1, 1, 3, 3, # ASS + 0, 3, 3, 3, 1, 2, 1, 2, # ACV + 0, 3, 3, 3, 3, 3, 3, 3, # ACO + 0, 3, 1, 3, 1, 1, 1, 3, # ASV + 0, 3, 1, 3, 1, 1, 3, 3, # ASO +) + + +class Latin1Prober(CharSetProber): + def __init__(self): + super(Latin1Prober, self).__init__() + self._last_char_class = None + self._freq_counter = None + self.reset() + + def reset(self): + self._last_char_class = OTH + self._freq_counter = [0] * FREQ_CAT_NUM + CharSetProber.reset(self) + + @property + def charset_name(self): + return "ISO-8859-1" + + @property + def language(self): + return "" + + def feed(self, byte_str): + byte_str = self.filter_with_english_letters(byte_str) + for c in byte_str: + char_class = Latin1_CharToClass[c] + freq = Latin1ClassModel[(self._last_char_class * CLASS_NUM) + + char_class] + if freq == 0: + self._state = ProbingState.NOT_ME + break + self._freq_counter[freq] += 1 + self._last_char_class = char_class + + return self.state + + def get_confidence(self): + if self.state == ProbingState.NOT_ME: + return 0.01 + + total = sum(self._freq_counter) + if total < 0.01: + confidence = 0.0 + else: + confidence = ((self._freq_counter[3] - self._freq_counter[1] * 20.0) + / total) + if confidence < 0.0: + confidence = 0.0 + # lower the confidence of latin1 so that other more accurate + # detector can take priority. + confidence = confidence * 0.73 + return confidence diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcharsetprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcharsetprober.py new file mode 100644 index 0000000..6256ecf --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcharsetprober.py @@ -0,0 +1,91 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState + + +class MultiByteCharSetProber(CharSetProber): + """ + MultiByteCharSetProber + """ + + def __init__(self, lang_filter=None): + super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter) + self.distribution_analyzer = None + self.coding_sm = None + self._last_char = [0, 0] + + def reset(self): + super(MultiByteCharSetProber, self).reset() + if self.coding_sm: + self.coding_sm.reset() + if self.distribution_analyzer: + self.distribution_analyzer.reset() + self._last_char = [0, 0] + + @property + def charset_name(self): + raise NotImplementedError + + @property + def language(self): + raise NotImplementedError + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.distribution_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + return self.distribution_analyzer.get_confidence() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcsgroupprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcsgroupprober.py new file mode 100644 index 0000000..530abe7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcsgroupprober.py @@ -0,0 +1,54 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .utf8prober import UTF8Prober +from .sjisprober import SJISProber +from .eucjpprober import EUCJPProber +from .gb2312prober import GB2312Prober +from .euckrprober import EUCKRProber +from .cp949prober import CP949Prober +from .big5prober import Big5Prober +from .euctwprober import EUCTWProber + + +class MBCSGroupProber(CharSetGroupProber): + def __init__(self, lang_filter=None): + super(MBCSGroupProber, self).__init__(lang_filter=lang_filter) + self.probers = [ + UTF8Prober(), + SJISProber(), + EUCJPProber(), + GB2312Prober(), + EUCKRProber(), + CP949Prober(), + Big5Prober(), + EUCTWProber() + ] + self.reset() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcssm.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcssm.py new file mode 100644 index 0000000..8360d0f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/mbcssm.py @@ -0,0 +1,572 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +# BIG5 + +BIG5_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 4,4,4,4,4,4,4,4, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 4,3,3,3,3,3,3,3, # a0 - a7 + 3,3,3,3,3,3,3,3, # a8 - af + 3,3,3,3,3,3,3,3, # b0 - b7 + 3,3,3,3,3,3,3,3, # b8 - bf + 3,3,3,3,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +BIG5_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,#08-0f + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START#10-17 +) + +BIG5_CHAR_LEN_TABLE = (0, 1, 1, 2, 0) + +BIG5_SM_MODEL = {'class_table': BIG5_CLS, + 'class_factor': 5, + 'state_table': BIG5_ST, + 'char_len_table': BIG5_CHAR_LEN_TABLE, + 'name': 'Big5'} + +# CP949 + +CP949_CLS = ( + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,0,0, # 00 - 0f + 1,1,1,1,1,1,1,1, 1,1,1,0,1,1,1,1, # 10 - 1f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 20 - 2f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 30 - 3f + 1,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4, # 40 - 4f + 4,4,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 50 - 5f + 1,5,5,5,5,5,5,5, 5,5,5,5,5,5,5,5, # 60 - 6f + 5,5,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 70 - 7f + 0,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 80 - 8f + 6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 90 - 9f + 6,7,7,7,7,7,7,7, 7,7,7,7,7,8,8,8, # a0 - af + 7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7, # b0 - bf + 7,7,7,7,7,7,9,2, 2,3,2,2,2,2,2,2, # c0 - cf + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # d0 - df + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # e0 - ef + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,0, # f0 - ff +) + +CP949_ST = ( +#cls= 0 1 2 3 4 5 6 7 8 9 # previous state = + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START, 4, 5,MachineState.ERROR, 6, # MachineState.START + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, # MachineState.ERROR + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME, # MachineState.ITS_ME + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 3 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 4 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 5 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 6 +) + +CP949_CHAR_LEN_TABLE = (0, 1, 2, 0, 1, 1, 2, 2, 0, 2) + +CP949_SM_MODEL = {'class_table': CP949_CLS, + 'class_factor': 10, + 'state_table': CP949_ST, + 'char_len_table': CP949_CHAR_LEN_TABLE, + 'name': 'CP949'} + +# EUC-JP + +EUCJP_CLS = ( + 4,4,4,4,4,4,4,4, # 00 - 07 + 4,4,4,4,4,4,5,5, # 08 - 0f + 4,4,4,4,4,4,4,4, # 10 - 17 + 4,4,4,5,4,4,4,4, # 18 - 1f + 4,4,4,4,4,4,4,4, # 20 - 27 + 4,4,4,4,4,4,4,4, # 28 - 2f + 4,4,4,4,4,4,4,4, # 30 - 37 + 4,4,4,4,4,4,4,4, # 38 - 3f + 4,4,4,4,4,4,4,4, # 40 - 47 + 4,4,4,4,4,4,4,4, # 48 - 4f + 4,4,4,4,4,4,4,4, # 50 - 57 + 4,4,4,4,4,4,4,4, # 58 - 5f + 4,4,4,4,4,4,4,4, # 60 - 67 + 4,4,4,4,4,4,4,4, # 68 - 6f + 4,4,4,4,4,4,4,4, # 70 - 77 + 4,4,4,4,4,4,4,4, # 78 - 7f + 5,5,5,5,5,5,5,5, # 80 - 87 + 5,5,5,5,5,5,1,3, # 88 - 8f + 5,5,5,5,5,5,5,5, # 90 - 97 + 5,5,5,5,5,5,5,5, # 98 - 9f + 5,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,0,5 # f8 - ff +) + +EUCJP_ST = ( + 3, 4, 3, 5,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 3,MachineState.ERROR,#18-1f + 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START#20-27 +) + +EUCJP_CHAR_LEN_TABLE = (2, 2, 2, 3, 1, 0) + +EUCJP_SM_MODEL = {'class_table': EUCJP_CLS, + 'class_factor': 6, + 'state_table': EUCJP_ST, + 'char_len_table': EUCJP_CHAR_LEN_TABLE, + 'name': 'EUC-JP'} + +# EUC-KR + +EUCKR_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,3,3,3, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,3,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 2,2,2,2,2,2,2,2, # e0 - e7 + 2,2,2,2,2,2,2,2, # e8 - ef + 2,2,2,2,2,2,2,2, # f0 - f7 + 2,2,2,2,2,2,2,0 # f8 - ff +) + +EUCKR_ST = ( + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #08-0f +) + +EUCKR_CHAR_LEN_TABLE = (0, 1, 2, 0) + +EUCKR_SM_MODEL = {'class_table': EUCKR_CLS, + 'class_factor': 4, + 'state_table': EUCKR_ST, + 'char_len_table': EUCKR_CHAR_LEN_TABLE, + 'name': 'EUC-KR'} + +# EUC-TW + +EUCTW_CLS = ( + 2,2,2,2,2,2,2,2, # 00 - 07 + 2,2,2,2,2,2,0,0, # 08 - 0f + 2,2,2,2,2,2,2,2, # 10 - 17 + 2,2,2,0,2,2,2,2, # 18 - 1f + 2,2,2,2,2,2,2,2, # 20 - 27 + 2,2,2,2,2,2,2,2, # 28 - 2f + 2,2,2,2,2,2,2,2, # 30 - 37 + 2,2,2,2,2,2,2,2, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,2, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,6,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,3,4,4,4,4,4,4, # a0 - a7 + 5,5,1,1,1,1,1,1, # a8 - af + 1,1,1,1,1,1,1,1, # b0 - b7 + 1,1,1,1,1,1,1,1, # b8 - bf + 1,1,3,1,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +EUCTW_ST = ( + MachineState.ERROR,MachineState.ERROR,MachineState.START, 3, 3, 3, 4,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.ERROR,#10-17 + MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,#20-27 + MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +EUCTW_CHAR_LEN_TABLE = (0, 0, 1, 2, 2, 2, 3) + +EUCTW_SM_MODEL = {'class_table': EUCTW_CLS, + 'class_factor': 7, + 'state_table': EUCTW_ST, + 'char_len_table': EUCTW_CHAR_LEN_TABLE, + 'name': 'x-euc-tw'} + +# GB2312 + +GB2312_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 3,3,3,3,3,3,3,3, # 30 - 37 + 3,3,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,4, # 78 - 7f + 5,6,6,6,6,6,6,6, # 80 - 87 + 6,6,6,6,6,6,6,6, # 88 - 8f + 6,6,6,6,6,6,6,6, # 90 - 97 + 6,6,6,6,6,6,6,6, # 98 - 9f + 6,6,6,6,6,6,6,6, # a0 - a7 + 6,6,6,6,6,6,6,6, # a8 - af + 6,6,6,6,6,6,6,6, # b0 - b7 + 6,6,6,6,6,6,6,6, # b8 - bf + 6,6,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 6,6,6,6,6,6,6,6, # e0 - e7 + 6,6,6,6,6,6,6,6, # e8 - ef + 6,6,6,6,6,6,6,6, # f0 - f7 + 6,6,6,6,6,6,6,0 # f8 - ff +) + +GB2312_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, 3,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,#10-17 + 4,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#20-27 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +# To be accurate, the length of class 6 can be either 2 or 4. +# But it is not necessary to discriminate between the two since +# it is used for frequency analysis only, and we are validating +# each code range there as well. So it is safe to set it to be +# 2 here. +GB2312_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 1, 2) + +GB2312_SM_MODEL = {'class_table': GB2312_CLS, + 'class_factor': 7, + 'state_table': GB2312_ST, + 'char_len_table': GB2312_CHAR_LEN_TABLE, + 'name': 'GB2312'} + +# Shift_JIS + +SJIS_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 3,3,3,3,3,2,2,3, # 80 - 87 + 3,3,3,3,3,3,3,3, # 88 - 8f + 3,3,3,3,3,3,3,3, # 90 - 97 + 3,3,3,3,3,3,3,3, # 98 - 9f + #0xa0 is illegal in sjis encoding, but some pages does + #contain such byte. We need to be more error forgiven. + 2,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,4,4,4, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,0,0,0) # f8 - ff + + +SJIS_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START #10-17 +) + +SJIS_CHAR_LEN_TABLE = (0, 1, 1, 2, 0, 0) + +SJIS_SM_MODEL = {'class_table': SJIS_CLS, + 'class_factor': 6, + 'state_table': SJIS_ST, + 'char_len_table': SJIS_CHAR_LEN_TABLE, + 'name': 'Shift_JIS'} + +# UCS2-BE + +UCS2BE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2BE_ST = ( + 5, 7, 7,MachineState.ERROR, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,#10-17 + 6, 6, 6, 6, 6,MachineState.ITS_ME, 6, 6,#18-1f + 6, 6, 6, 6, 5, 7, 7,MachineState.ERROR,#20-27 + 5, 8, 6, 6,MachineState.ERROR, 6, 6, 6,#28-2f + 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2BE_CHAR_LEN_TABLE = (2, 2, 2, 0, 2, 2) + +UCS2BE_SM_MODEL = {'class_table': UCS2BE_CLS, + 'class_factor': 6, + 'state_table': UCS2BE_ST, + 'char_len_table': UCS2BE_CHAR_LEN_TABLE, + 'name': 'UTF-16BE'} + +# UCS2-LE + +UCS2LE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2LE_ST = ( + 6, 6, 7, 6, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 5, 5, 5,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#10-17 + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR, 6, 6,#18-1f + 7, 6, 8, 8, 5, 5, 5,MachineState.ERROR,#20-27 + 5, 5, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5,#28-2f + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2LE_CHAR_LEN_TABLE = (2, 2, 2, 2, 2, 2) + +UCS2LE_SM_MODEL = {'class_table': UCS2LE_CLS, + 'class_factor': 6, + 'state_table': UCS2LE_ST, + 'char_len_table': UCS2LE_CHAR_LEN_TABLE, + 'name': 'UTF-16LE'} + +# UTF-8 + +UTF8_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as a legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 2,2,2,2,3,3,3,3, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 5,5,5,5,5,5,5,5, # a0 - a7 + 5,5,5,5,5,5,5,5, # a8 - af + 5,5,5,5,5,5,5,5, # b0 - b7 + 5,5,5,5,5,5,5,5, # b8 - bf + 0,0,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 7,8,8,8,8,8,8,8, # e0 - e7 + 8,8,8,8,8,9,8,8, # e8 - ef + 10,11,11,11,11,11,11,11, # f0 - f7 + 12,13,13,13,14,15,0,0 # f8 - ff +) + +UTF8_ST = ( + MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12, 10,#00-07 + 9, 11, 8, 7, 6, 5, 4, 3,#08-0f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#20-27 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#28-2f + MachineState.ERROR,MachineState.ERROR, 5, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#30-37 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#38-3f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#40-47 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#48-4f + MachineState.ERROR,MachineState.ERROR, 7, 7, 7, 7,MachineState.ERROR,MachineState.ERROR,#50-57 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#58-5f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 7, 7,MachineState.ERROR,MachineState.ERROR,#60-67 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#68-6f + MachineState.ERROR,MachineState.ERROR, 9, 9, 9, 9,MachineState.ERROR,MachineState.ERROR,#70-77 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#78-7f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 9,MachineState.ERROR,MachineState.ERROR,#80-87 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#88-8f + MachineState.ERROR,MachineState.ERROR, 12, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,#90-97 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#98-9f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12,MachineState.ERROR,MachineState.ERROR,#a0-a7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#a8-af + MachineState.ERROR,MachineState.ERROR, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b0-b7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b8-bf + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,#c0-c7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR #c8-cf +) + +UTF8_CHAR_LEN_TABLE = (0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6) + +UTF8_SM_MODEL = {'class_table': UTF8_CLS, + 'class_factor': 16, + 'state_table': UTF8_ST, + 'char_len_table': UTF8_CHAR_LEN_TABLE, + 'name': 'UTF-8'} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcharsetprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcharsetprober.py new file mode 100644 index 0000000..0adb51d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcharsetprober.py @@ -0,0 +1,132 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import CharacterCategory, ProbingState, SequenceLikelihood + + +class SingleByteCharSetProber(CharSetProber): + SAMPLE_SIZE = 64 + SB_ENOUGH_REL_THRESHOLD = 1024 # 0.25 * SAMPLE_SIZE^2 + POSITIVE_SHORTCUT_THRESHOLD = 0.95 + NEGATIVE_SHORTCUT_THRESHOLD = 0.05 + + def __init__(self, model, reversed=False, name_prober=None): + super(SingleByteCharSetProber, self).__init__() + self._model = model + # TRUE if we need to reverse every pair in the model lookup + self._reversed = reversed + # Optional auxiliary prober for name decision + self._name_prober = name_prober + self._last_order = None + self._seq_counters = None + self._total_seqs = None + self._total_char = None + self._freq_char = None + self.reset() + + def reset(self): + super(SingleByteCharSetProber, self).reset() + # char order of last character + self._last_order = 255 + self._seq_counters = [0] * SequenceLikelihood.get_num_categories() + self._total_seqs = 0 + self._total_char = 0 + # characters that fall in our sampling range + self._freq_char = 0 + + @property + def charset_name(self): + if self._name_prober: + return self._name_prober.charset_name + else: + return self._model['charset_name'] + + @property + def language(self): + if self._name_prober: + return self._name_prober.language + else: + return self._model.get('language') + + def feed(self, byte_str): + if not self._model['keep_english_letter']: + byte_str = self.filter_international_words(byte_str) + if not byte_str: + return self.state + char_to_order_map = self._model['char_to_order_map'] + for i, c in enumerate(byte_str): + # XXX: Order is in range 1-64, so one would think we want 0-63 here, + # but that leads to 27 more test failures than before. + order = char_to_order_map[c] + # XXX: This was SYMBOL_CAT_ORDER before, with a value of 250, but + # CharacterCategory.SYMBOL is actually 253, so we use CONTROL + # to make it closer to the original intent. The only difference + # is whether or not we count digits and control characters for + # _total_char purposes. + if order < CharacterCategory.CONTROL: + self._total_char += 1 + if order < self.SAMPLE_SIZE: + self._freq_char += 1 + if self._last_order < self.SAMPLE_SIZE: + self._total_seqs += 1 + if not self._reversed: + i = (self._last_order * self.SAMPLE_SIZE) + order + model = self._model['precedence_matrix'][i] + else: # reverse the order of the letters in the lookup + i = (order * self.SAMPLE_SIZE) + self._last_order + model = self._model['precedence_matrix'][i] + self._seq_counters[model] += 1 + self._last_order = order + + charset_name = self._model['charset_name'] + if self.state == ProbingState.DETECTING: + if self._total_seqs > self.SB_ENOUGH_REL_THRESHOLD: + confidence = self.get_confidence() + if confidence > self.POSITIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, we have a winner', + charset_name, confidence) + self._state = ProbingState.FOUND_IT + elif confidence < self.NEGATIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, below negative ' + 'shortcut threshhold %s', charset_name, + confidence, + self.NEGATIVE_SHORTCUT_THRESHOLD) + self._state = ProbingState.NOT_ME + + return self.state + + def get_confidence(self): + r = 0.01 + if self._total_seqs > 0: + r = ((1.0 * self._seq_counters[SequenceLikelihood.POSITIVE]) / + self._total_seqs / self._model['typical_positive_ratio']) + r = r * self._freq_char / self._total_char + if r >= 1.0: + r = 0.99 + return r diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcsgroupprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcsgroupprober.py new file mode 100644 index 0000000..98e95dc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sbcsgroupprober.py @@ -0,0 +1,73 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .sbcharsetprober import SingleByteCharSetProber +from .langcyrillicmodel import (Win1251CyrillicModel, Koi8rModel, + Latin5CyrillicModel, MacCyrillicModel, + Ibm866Model, Ibm855Model) +from .langgreekmodel import Latin7GreekModel, Win1253GreekModel +from .langbulgarianmodel import Latin5BulgarianModel, Win1251BulgarianModel +# from .langhungarianmodel import Latin2HungarianModel, Win1250HungarianModel +from .langthaimodel import TIS620ThaiModel +from .langhebrewmodel import Win1255HebrewModel +from .hebrewprober import HebrewProber +from .langturkishmodel import Latin5TurkishModel + + +class SBCSGroupProber(CharSetGroupProber): + def __init__(self): + super(SBCSGroupProber, self).__init__() + self.probers = [ + SingleByteCharSetProber(Win1251CyrillicModel), + SingleByteCharSetProber(Koi8rModel), + SingleByteCharSetProber(Latin5CyrillicModel), + SingleByteCharSetProber(MacCyrillicModel), + SingleByteCharSetProber(Ibm866Model), + SingleByteCharSetProber(Ibm855Model), + SingleByteCharSetProber(Latin7GreekModel), + SingleByteCharSetProber(Win1253GreekModel), + SingleByteCharSetProber(Latin5BulgarianModel), + SingleByteCharSetProber(Win1251BulgarianModel), + # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250) + # after we retrain model. + # SingleByteCharSetProber(Latin2HungarianModel), + # SingleByteCharSetProber(Win1250HungarianModel), + SingleByteCharSetProber(TIS620ThaiModel), + SingleByteCharSetProber(Latin5TurkishModel), + ] + hebrew_prober = HebrewProber() + logical_hebrew_prober = SingleByteCharSetProber(Win1255HebrewModel, + False, hebrew_prober) + visual_hebrew_prober = SingleByteCharSetProber(Win1255HebrewModel, True, + hebrew_prober) + hebrew_prober.set_model_probers(logical_hebrew_prober, visual_hebrew_prober) + self.probers.extend([hebrew_prober, logical_hebrew_prober, + visual_hebrew_prober]) + + self.reset() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py new file mode 100644 index 0000000..9e29623 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/sjisprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import SJISDistributionAnalysis +from .jpcntx import SJISContextAnalysis +from .mbcssm import SJIS_SM_MODEL +from .enums import ProbingState, MachineState + + +class SJISProber(MultiByteCharSetProber): + def __init__(self): + super(SJISProber, self).__init__() + self.coding_sm = CodingStateMachine(SJIS_SM_MODEL) + self.distribution_analyzer = SJISDistributionAnalysis() + self.context_analyzer = SJISContextAnalysis() + self.reset() + + def reset(self): + super(SJISProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return self.context_analyzer.charset_name + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char[2 - char_len:], + char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i + 1 - char_len:i + 3 + - char_len], char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/universaldetector.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/universaldetector.py new file mode 100644 index 0000000..7b4e92d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/universaldetector.py @@ -0,0 +1,286 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### +""" +Module containing the UniversalDetector detector class, which is the primary +class a user of ``chardet`` should use. + +:author: Mark Pilgrim (initial port to Python) +:author: Shy Shalom (original C code) +:author: Dan Blanchard (major refactoring for 3.0) +:author: Ian Cordasco +""" + + +import codecs +import logging +import re + +from .charsetgroupprober import CharSetGroupProber +from .enums import InputState, LanguageFilter, ProbingState +from .escprober import EscCharSetProber +from .latin1prober import Latin1Prober +from .mbcsgroupprober import MBCSGroupProber +from .sbcsgroupprober import SBCSGroupProber + + +class UniversalDetector(object): + """ + The ``UniversalDetector`` class underlies the ``chardet.detect`` function + and coordinates all of the different charset probers. + + To get a ``dict`` containing an encoding and its confidence, you can simply + run: + + .. code:: + + u = UniversalDetector() + u.feed(some_bytes) + u.close() + detected = u.result + + """ + + MINIMUM_THRESHOLD = 0.20 + HIGH_BYTE_DETECTOR = re.compile(b'[\x80-\xFF]') + ESC_DETECTOR = re.compile(b'(\033|~{)') + WIN_BYTE_DETECTOR = re.compile(b'[\x80-\x9F]') + ISO_WIN_MAP = {'iso-8859-1': 'Windows-1252', + 'iso-8859-2': 'Windows-1250', + 'iso-8859-5': 'Windows-1251', + 'iso-8859-6': 'Windows-1256', + 'iso-8859-7': 'Windows-1253', + 'iso-8859-8': 'Windows-1255', + 'iso-8859-9': 'Windows-1254', + 'iso-8859-13': 'Windows-1257'} + + def __init__(self, lang_filter=LanguageFilter.ALL): + self._esc_charset_prober = None + self._charset_probers = [] + self.result = None + self.done = None + self._got_data = None + self._input_state = None + self._last_char = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + self._has_win_bytes = None + self.reset() + + def reset(self): + """ + Reset the UniversalDetector and all of its probers back to their + initial states. This is called by ``__init__``, so you only need to + call this directly in between analyses of different documents. + """ + self.result = {'encoding': None, 'confidence': 0.0, 'language': None} + self.done = False + self._got_data = False + self._has_win_bytes = False + self._input_state = InputState.PURE_ASCII + self._last_char = b'' + if self._esc_charset_prober: + self._esc_charset_prober.reset() + for prober in self._charset_probers: + prober.reset() + + def feed(self, byte_str): + """ + Takes a chunk of a document and feeds it through all of the relevant + charset probers. + + After calling ``feed``, you can check the value of the ``done`` + attribute to see if you need to continue feeding the + ``UniversalDetector`` more data, or if it has made a prediction + (in the ``result`` attribute). + + .. note:: + You should always call ``close`` when you're done feeding in your + document if ``done`` is not already ``True``. + """ + if self.done: + return + + if not len(byte_str): + return + + if not isinstance(byte_str, bytearray): + byte_str = bytearray(byte_str) + + # First check for known BOMs, since these are guaranteed to be correct + if not self._got_data: + # If the data starts with BOM, we know it is UTF + if byte_str.startswith(codecs.BOM_UTF8): + # EF BB BF UTF-8 with BOM + self.result = {'encoding': "UTF-8-SIG", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_UTF32_LE, + codecs.BOM_UTF32_BE)): + # FF FE 00 00 UTF-32, little-endian BOM + # 00 00 FE FF UTF-32, big-endian BOM + self.result = {'encoding': "UTF-32", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\xFE\xFF\x00\x00'): + # FE FF 00 00 UCS-4, unusual octet order BOM (3412) + self.result = {'encoding': "X-ISO-10646-UCS-4-3412", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\x00\x00\xFF\xFE'): + # 00 00 FF FE UCS-4, unusual octet order BOM (2143) + self.result = {'encoding': "X-ISO-10646-UCS-4-2143", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)): + # FF FE UTF-16, little endian BOM + # FE FF UTF-16, big endian BOM + self.result = {'encoding': "UTF-16", + 'confidence': 1.0, + 'language': ''} + + self._got_data = True + if self.result['encoding'] is not None: + self.done = True + return + + # If none of those matched and we've only see ASCII so far, check + # for high bytes and escape sequences + if self._input_state == InputState.PURE_ASCII: + if self.HIGH_BYTE_DETECTOR.search(byte_str): + self._input_state = InputState.HIGH_BYTE + elif self._input_state == InputState.PURE_ASCII and \ + self.ESC_DETECTOR.search(self._last_char + byte_str): + self._input_state = InputState.ESC_ASCII + + self._last_char = byte_str[-1:] + + # If we've seen escape sequences, use the EscCharSetProber, which + # uses a simple state machine to check for known escape sequences in + # HZ and ISO-2022 encodings, since those are the only encodings that + # use such sequences. + if self._input_state == InputState.ESC_ASCII: + if not self._esc_charset_prober: + self._esc_charset_prober = EscCharSetProber(self.lang_filter) + if self._esc_charset_prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': + self._esc_charset_prober.charset_name, + 'confidence': + self._esc_charset_prober.get_confidence(), + 'language': + self._esc_charset_prober.language} + self.done = True + # If we've seen high bytes (i.e., those with values greater than 127), + # we need to do more complicated checks using all our multi-byte and + # single-byte probers that are left. The single-byte probers + # use character bigram distributions to determine the encoding, whereas + # the multi-byte probers use a combination of character unigram and + # bigram distributions. + elif self._input_state == InputState.HIGH_BYTE: + if not self._charset_probers: + self._charset_probers = [MBCSGroupProber(self.lang_filter)] + # If we're checking non-CJK encodings, use single-byte prober + if self.lang_filter & LanguageFilter.NON_CJK: + self._charset_probers.append(SBCSGroupProber()) + self._charset_probers.append(Latin1Prober()) + for prober in self._charset_probers: + if prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': prober.charset_name, + 'confidence': prober.get_confidence(), + 'language': prober.language} + self.done = True + break + if self.WIN_BYTE_DETECTOR.search(byte_str): + self._has_win_bytes = True + + def close(self): + """ + Stop analyzing the current document and come up with a final + prediction. + + :returns: The ``result`` attribute, a ``dict`` with the keys + `encoding`, `confidence`, and `language`. + """ + # Don't bother with checks if we're already done + if self.done: + return self.result + self.done = True + + if not self._got_data: + self.logger.debug('no data received!') + + # Default to ASCII if it is all we've seen so far + elif self._input_state == InputState.PURE_ASCII: + self.result = {'encoding': 'ascii', + 'confidence': 1.0, + 'language': ''} + + # If we have seen non-ASCII, return the best that met MINIMUM_THRESHOLD + elif self._input_state == InputState.HIGH_BYTE: + prober_confidence = None + max_prober_confidence = 0.0 + max_prober = None + for prober in self._charset_probers: + if not prober: + continue + prober_confidence = prober.get_confidence() + if prober_confidence > max_prober_confidence: + max_prober_confidence = prober_confidence + max_prober = prober + if max_prober and (max_prober_confidence > self.MINIMUM_THRESHOLD): + charset_name = max_prober.charset_name + lower_charset_name = max_prober.charset_name.lower() + confidence = max_prober.get_confidence() + # Use Windows encoding name instead of ISO-8859 if we saw any + # extra Windows-specific bytes + if lower_charset_name.startswith('iso-8859'): + if self._has_win_bytes: + charset_name = self.ISO_WIN_MAP.get(lower_charset_name, + charset_name) + self.result = {'encoding': charset_name, + 'confidence': confidence, + 'language': max_prober.language} + + # Log all prober confidences if none met MINIMUM_THRESHOLD + if self.logger.getEffectiveLevel() == logging.DEBUG: + if self.result['encoding'] is None: + self.logger.debug('no probers hit minimum threshold') + for group_prober in self._charset_probers: + if not group_prober: + continue + if isinstance(group_prober, CharSetGroupProber): + for prober in group_prober.probers: + self.logger.debug('%s %s confidence = %s', + prober.charset_name, + prober.language, + prober.get_confidence()) + else: + self.logger.debug('%s %s confidence = %s', + prober.charset_name, + prober.language, + prober.get_confidence()) + return self.result diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/utf8prober.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/utf8prober.py new file mode 100644 index 0000000..6c3196c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/utf8prober.py @@ -0,0 +1,82 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState +from .codingstatemachine import CodingStateMachine +from .mbcssm import UTF8_SM_MODEL + + + +class UTF8Prober(CharSetProber): + ONE_CHAR_PROB = 0.5 + + def __init__(self): + super(UTF8Prober, self).__init__() + self.coding_sm = CodingStateMachine(UTF8_SM_MODEL) + self._num_mb_chars = None + self.reset() + + def reset(self): + super(UTF8Prober, self).reset() + self.coding_sm.reset() + self._num_mb_chars = 0 + + @property + def charset_name(self): + return "utf-8" + + @property + def language(self): + return "" + + def feed(self, byte_str): + for c in byte_str: + coding_state = self.coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + if self.coding_sm.get_current_charlen() >= 2: + self._num_mb_chars += 1 + + if self.state == ProbingState.DETECTING: + if self.get_confidence() > self.SHORTCUT_THRESHOLD: + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + unlike = 0.99 + if self._num_mb_chars < 6: + unlike *= self.ONE_CHAR_PROB ** self._num_mb_chars + return 1.0 - unlike + else: + return unlike diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/version.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/version.py new file mode 100644 index 0000000..bb2a34a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/chardet/version.py @@ -0,0 +1,9 @@ +""" +This module exists only to simplify retrieving the version number of chardet +from within setup.py and from chardet subpackages. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + +__version__ = "3.0.4" +VERSION = __version__.split('.') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/__init__.py new file mode 100644 index 0000000..2a3bf47 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/__init__.py @@ -0,0 +1,6 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +from .initialise import init, deinit, reinit, colorama_text +from .ansi import Fore, Back, Style, Cursor +from .ansitowin32 import AnsiToWin32 + +__version__ = '0.4.1' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansi.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansi.py new file mode 100644 index 0000000..7877658 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansi.py @@ -0,0 +1,102 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +''' +This module generates ANSI character codes to printing colors to terminals. +See: http://en.wikipedia.org/wiki/ANSI_escape_code +''' + +CSI = '\033[' +OSC = '\033]' +BEL = '\007' + + +def code_to_chars(code): + return CSI + str(code) + 'm' + +def set_title(title): + return OSC + '2;' + title + BEL + +def clear_screen(mode=2): + return CSI + str(mode) + 'J' + +def clear_line(mode=2): + return CSI + str(mode) + 'K' + + +class AnsiCodes(object): + def __init__(self): + # the subclasses declare class attributes which are numbers. + # Upon instantiation we define instance attributes, which are the same + # as the class attributes but wrapped with the ANSI escape sequence + for name in dir(self): + if not name.startswith('_'): + value = getattr(self, name) + setattr(self, name, code_to_chars(value)) + + +class AnsiCursor(object): + def UP(self, n=1): + return CSI + str(n) + 'A' + def DOWN(self, n=1): + return CSI + str(n) + 'B' + def FORWARD(self, n=1): + return CSI + str(n) + 'C' + def BACK(self, n=1): + return CSI + str(n) + 'D' + def POS(self, x=1, y=1): + return CSI + str(y) + ';' + str(x) + 'H' + + +class AnsiFore(AnsiCodes): + BLACK = 30 + RED = 31 + GREEN = 32 + YELLOW = 33 + BLUE = 34 + MAGENTA = 35 + CYAN = 36 + WHITE = 37 + RESET = 39 + + # These are fairly well supported, but not part of the standard. + LIGHTBLACK_EX = 90 + LIGHTRED_EX = 91 + LIGHTGREEN_EX = 92 + LIGHTYELLOW_EX = 93 + LIGHTBLUE_EX = 94 + LIGHTMAGENTA_EX = 95 + LIGHTCYAN_EX = 96 + LIGHTWHITE_EX = 97 + + +class AnsiBack(AnsiCodes): + BLACK = 40 + RED = 41 + GREEN = 42 + YELLOW = 43 + BLUE = 44 + MAGENTA = 45 + CYAN = 46 + WHITE = 47 + RESET = 49 + + # These are fairly well supported, but not part of the standard. + LIGHTBLACK_EX = 100 + LIGHTRED_EX = 101 + LIGHTGREEN_EX = 102 + LIGHTYELLOW_EX = 103 + LIGHTBLUE_EX = 104 + LIGHTMAGENTA_EX = 105 + LIGHTCYAN_EX = 106 + LIGHTWHITE_EX = 107 + + +class AnsiStyle(AnsiCodes): + BRIGHT = 1 + DIM = 2 + NORMAL = 22 + RESET_ALL = 0 + +Fore = AnsiFore() +Back = AnsiBack() +Style = AnsiStyle() +Cursor = AnsiCursor() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansitowin32.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansitowin32.py new file mode 100644 index 0000000..359c92b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/ansitowin32.py @@ -0,0 +1,257 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +import re +import sys +import os + +from .ansi import AnsiFore, AnsiBack, AnsiStyle, Style +from .winterm import WinTerm, WinColor, WinStyle +from .win32 import windll, winapi_test + + +winterm = None +if windll is not None: + winterm = WinTerm() + + +class StreamWrapper(object): + ''' + Wraps a stream (such as stdout), acting as a transparent proxy for all + attribute access apart from method 'write()', which is delegated to our + Converter instance. + ''' + def __init__(self, wrapped, converter): + # double-underscore everything to prevent clashes with names of + # attributes on the wrapped stream object. + self.__wrapped = wrapped + self.__convertor = converter + + def __getattr__(self, name): + return getattr(self.__wrapped, name) + + def __enter__(self, *args, **kwargs): + # special method lookup bypasses __getattr__/__getattribute__, see + # https://stackoverflow.com/questions/12632894/why-doesnt-getattr-work-with-exit + # thus, contextlib magic methods are not proxied via __getattr__ + return self.__wrapped.__enter__(*args, **kwargs) + + def __exit__(self, *args, **kwargs): + return self.__wrapped.__exit__(*args, **kwargs) + + def write(self, text): + self.__convertor.write(text) + + def isatty(self): + stream = self.__wrapped + if 'PYCHARM_HOSTED' in os.environ: + if stream is not None and (stream is sys.__stdout__ or stream is sys.__stderr__): + return True + try: + stream_isatty = stream.isatty + except AttributeError: + return False + else: + return stream_isatty() + + @property + def closed(self): + stream = self.__wrapped + try: + return stream.closed + except AttributeError: + return True + + +class AnsiToWin32(object): + ''' + Implements a 'write()' method which, on Windows, will strip ANSI character + sequences from the text, and if outputting to a tty, will convert them into + win32 function calls. + ''' + ANSI_CSI_RE = re.compile('\001?\033\\[((?:\\d|;)*)([a-zA-Z])\002?') # Control Sequence Introducer + ANSI_OSC_RE = re.compile('\001?\033\\]((?:.|;)*?)(\x07)\002?') # Operating System Command + + def __init__(self, wrapped, convert=None, strip=None, autoreset=False): + # The wrapped stream (normally sys.stdout or sys.stderr) + self.wrapped = wrapped + + # should we reset colors to defaults after every .write() + self.autoreset = autoreset + + # create the proxy wrapping our output stream + self.stream = StreamWrapper(wrapped, self) + + on_windows = os.name == 'nt' + # We test if the WinAPI works, because even if we are on Windows + # we may be using a terminal that doesn't support the WinAPI + # (e.g. Cygwin Terminal). In this case it's up to the terminal + # to support the ANSI codes. + conversion_supported = on_windows and winapi_test() + + # should we strip ANSI sequences from our output? + if strip is None: + strip = conversion_supported or (not self.stream.closed and not self.stream.isatty()) + self.strip = strip + + # should we should convert ANSI sequences into win32 calls? + if convert is None: + convert = conversion_supported and not self.stream.closed and self.stream.isatty() + self.convert = convert + + # dict of ansi codes to win32 functions and parameters + self.win32_calls = self.get_win32_calls() + + # are we wrapping stderr? + self.on_stderr = self.wrapped is sys.stderr + + def should_wrap(self): + ''' + True if this class is actually needed. If false, then the output + stream will not be affected, nor will win32 calls be issued, so + wrapping stdout is not actually required. This will generally be + False on non-Windows platforms, unless optional functionality like + autoreset has been requested using kwargs to init() + ''' + return self.convert or self.strip or self.autoreset + + def get_win32_calls(self): + if self.convert and winterm: + return { + AnsiStyle.RESET_ALL: (winterm.reset_all, ), + AnsiStyle.BRIGHT: (winterm.style, WinStyle.BRIGHT), + AnsiStyle.DIM: (winterm.style, WinStyle.NORMAL), + AnsiStyle.NORMAL: (winterm.style, WinStyle.NORMAL), + AnsiFore.BLACK: (winterm.fore, WinColor.BLACK), + AnsiFore.RED: (winterm.fore, WinColor.RED), + AnsiFore.GREEN: (winterm.fore, WinColor.GREEN), + AnsiFore.YELLOW: (winterm.fore, WinColor.YELLOW), + AnsiFore.BLUE: (winterm.fore, WinColor.BLUE), + AnsiFore.MAGENTA: (winterm.fore, WinColor.MAGENTA), + AnsiFore.CYAN: (winterm.fore, WinColor.CYAN), + AnsiFore.WHITE: (winterm.fore, WinColor.GREY), + AnsiFore.RESET: (winterm.fore, ), + AnsiFore.LIGHTBLACK_EX: (winterm.fore, WinColor.BLACK, True), + AnsiFore.LIGHTRED_EX: (winterm.fore, WinColor.RED, True), + AnsiFore.LIGHTGREEN_EX: (winterm.fore, WinColor.GREEN, True), + AnsiFore.LIGHTYELLOW_EX: (winterm.fore, WinColor.YELLOW, True), + AnsiFore.LIGHTBLUE_EX: (winterm.fore, WinColor.BLUE, True), + AnsiFore.LIGHTMAGENTA_EX: (winterm.fore, WinColor.MAGENTA, True), + AnsiFore.LIGHTCYAN_EX: (winterm.fore, WinColor.CYAN, True), + AnsiFore.LIGHTWHITE_EX: (winterm.fore, WinColor.GREY, True), + AnsiBack.BLACK: (winterm.back, WinColor.BLACK), + AnsiBack.RED: (winterm.back, WinColor.RED), + AnsiBack.GREEN: (winterm.back, WinColor.GREEN), + AnsiBack.YELLOW: (winterm.back, WinColor.YELLOW), + AnsiBack.BLUE: (winterm.back, WinColor.BLUE), + AnsiBack.MAGENTA: (winterm.back, WinColor.MAGENTA), + AnsiBack.CYAN: (winterm.back, WinColor.CYAN), + AnsiBack.WHITE: (winterm.back, WinColor.GREY), + AnsiBack.RESET: (winterm.back, ), + AnsiBack.LIGHTBLACK_EX: (winterm.back, WinColor.BLACK, True), + AnsiBack.LIGHTRED_EX: (winterm.back, WinColor.RED, True), + AnsiBack.LIGHTGREEN_EX: (winterm.back, WinColor.GREEN, True), + AnsiBack.LIGHTYELLOW_EX: (winterm.back, WinColor.YELLOW, True), + AnsiBack.LIGHTBLUE_EX: (winterm.back, WinColor.BLUE, True), + AnsiBack.LIGHTMAGENTA_EX: (winterm.back, WinColor.MAGENTA, True), + AnsiBack.LIGHTCYAN_EX: (winterm.back, WinColor.CYAN, True), + AnsiBack.LIGHTWHITE_EX: (winterm.back, WinColor.GREY, True), + } + return dict() + + def write(self, text): + if self.strip or self.convert: + self.write_and_convert(text) + else: + self.wrapped.write(text) + self.wrapped.flush() + if self.autoreset: + self.reset_all() + + + def reset_all(self): + if self.convert: + self.call_win32('m', (0,)) + elif not self.strip and not self.stream.closed: + self.wrapped.write(Style.RESET_ALL) + + + def write_and_convert(self, text): + ''' + Write the given text to our wrapped stream, stripping any ANSI + sequences from the text, and optionally converting them into win32 + calls. + ''' + cursor = 0 + text = self.convert_osc(text) + for match in self.ANSI_CSI_RE.finditer(text): + start, end = match.span() + self.write_plain_text(text, cursor, start) + self.convert_ansi(*match.groups()) + cursor = end + self.write_plain_text(text, cursor, len(text)) + + + def write_plain_text(self, text, start, end): + if start < end: + self.wrapped.write(text[start:end]) + self.wrapped.flush() + + + def convert_ansi(self, paramstring, command): + if self.convert: + params = self.extract_params(command, paramstring) + self.call_win32(command, params) + + + def extract_params(self, command, paramstring): + if command in 'Hf': + params = tuple(int(p) if len(p) != 0 else 1 for p in paramstring.split(';')) + while len(params) < 2: + # defaults: + params = params + (1,) + else: + params = tuple(int(p) for p in paramstring.split(';') if len(p) != 0) + if len(params) == 0: + # defaults: + if command in 'JKm': + params = (0,) + elif command in 'ABCD': + params = (1,) + + return params + + + def call_win32(self, command, params): + if command == 'm': + for param in params: + if param in self.win32_calls: + func_args = self.win32_calls[param] + func = func_args[0] + args = func_args[1:] + kwargs = dict(on_stderr=self.on_stderr) + func(*args, **kwargs) + elif command in 'J': + winterm.erase_screen(params[0], on_stderr=self.on_stderr) + elif command in 'K': + winterm.erase_line(params[0], on_stderr=self.on_stderr) + elif command in 'Hf': # cursor position - absolute + winterm.set_cursor_position(params, on_stderr=self.on_stderr) + elif command in 'ABCD': # cursor position - relative + n = params[0] + # A - up, B - down, C - forward, D - back + x, y = {'A': (0, -n), 'B': (0, n), 'C': (n, 0), 'D': (-n, 0)}[command] + winterm.cursor_adjust(x, y, on_stderr=self.on_stderr) + + + def convert_osc(self, text): + for match in self.ANSI_OSC_RE.finditer(text): + start, end = match.span() + text = text[:start] + text[end:] + paramstring, command = match.groups() + if command in '\x07': # \x07 = BEL + params = paramstring.split(";") + # 0 - change title and icon (we will only change title) + # 1 - change icon (we don't support this) + # 2 - change title + if params[0] in '02': + winterm.set_title(params[1]) + return text diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/initialise.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/initialise.py new file mode 100644 index 0000000..430d066 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/initialise.py @@ -0,0 +1,80 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +import atexit +import contextlib +import sys + +from .ansitowin32 import AnsiToWin32 + + +orig_stdout = None +orig_stderr = None + +wrapped_stdout = None +wrapped_stderr = None + +atexit_done = False + + +def reset_all(): + if AnsiToWin32 is not None: # Issue #74: objects might become None at exit + AnsiToWin32(orig_stdout).reset_all() + + +def init(autoreset=False, convert=None, strip=None, wrap=True): + + if not wrap and any([autoreset, convert, strip]): + raise ValueError('wrap=False conflicts with any other arg=True') + + global wrapped_stdout, wrapped_stderr + global orig_stdout, orig_stderr + + orig_stdout = sys.stdout + orig_stderr = sys.stderr + + if sys.stdout is None: + wrapped_stdout = None + else: + sys.stdout = wrapped_stdout = \ + wrap_stream(orig_stdout, convert, strip, autoreset, wrap) + if sys.stderr is None: + wrapped_stderr = None + else: + sys.stderr = wrapped_stderr = \ + wrap_stream(orig_stderr, convert, strip, autoreset, wrap) + + global atexit_done + if not atexit_done: + atexit.register(reset_all) + atexit_done = True + + +def deinit(): + if orig_stdout is not None: + sys.stdout = orig_stdout + if orig_stderr is not None: + sys.stderr = orig_stderr + + +@contextlib.contextmanager +def colorama_text(*args, **kwargs): + init(*args, **kwargs) + try: + yield + finally: + deinit() + + +def reinit(): + if wrapped_stdout is not None: + sys.stdout = wrapped_stdout + if wrapped_stderr is not None: + sys.stderr = wrapped_stderr + + +def wrap_stream(stream, convert, strip, autoreset, wrap): + if wrap: + wrapper = AnsiToWin32(stream, + convert=convert, strip=strip, autoreset=autoreset) + if wrapper.should_wrap(): + stream = wrapper.stream + return stream diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/win32.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/win32.py new file mode 100644 index 0000000..c2d8360 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/win32.py @@ -0,0 +1,152 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. + +# from winbase.h +STDOUT = -11 +STDERR = -12 + +try: + import ctypes + from ctypes import LibraryLoader + windll = LibraryLoader(ctypes.WinDLL) + from ctypes import wintypes +except (AttributeError, ImportError): + windll = None + SetConsoleTextAttribute = lambda *_: None + winapi_test = lambda *_: None +else: + from ctypes import byref, Structure, c_char, POINTER + + COORD = wintypes._COORD + + class CONSOLE_SCREEN_BUFFER_INFO(Structure): + """struct in wincon.h.""" + _fields_ = [ + ("dwSize", COORD), + ("dwCursorPosition", COORD), + ("wAttributes", wintypes.WORD), + ("srWindow", wintypes.SMALL_RECT), + ("dwMaximumWindowSize", COORD), + ] + def __str__(self): + return '(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)' % ( + self.dwSize.Y, self.dwSize.X + , self.dwCursorPosition.Y, self.dwCursorPosition.X + , self.wAttributes + , self.srWindow.Top, self.srWindow.Left, self.srWindow.Bottom, self.srWindow.Right + , self.dwMaximumWindowSize.Y, self.dwMaximumWindowSize.X + ) + + _GetStdHandle = windll.kernel32.GetStdHandle + _GetStdHandle.argtypes = [ + wintypes.DWORD, + ] + _GetStdHandle.restype = wintypes.HANDLE + + _GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo + _GetConsoleScreenBufferInfo.argtypes = [ + wintypes.HANDLE, + POINTER(CONSOLE_SCREEN_BUFFER_INFO), + ] + _GetConsoleScreenBufferInfo.restype = wintypes.BOOL + + _SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute + _SetConsoleTextAttribute.argtypes = [ + wintypes.HANDLE, + wintypes.WORD, + ] + _SetConsoleTextAttribute.restype = wintypes.BOOL + + _SetConsoleCursorPosition = windll.kernel32.SetConsoleCursorPosition + _SetConsoleCursorPosition.argtypes = [ + wintypes.HANDLE, + COORD, + ] + _SetConsoleCursorPosition.restype = wintypes.BOOL + + _FillConsoleOutputCharacterA = windll.kernel32.FillConsoleOutputCharacterA + _FillConsoleOutputCharacterA.argtypes = [ + wintypes.HANDLE, + c_char, + wintypes.DWORD, + COORD, + POINTER(wintypes.DWORD), + ] + _FillConsoleOutputCharacterA.restype = wintypes.BOOL + + _FillConsoleOutputAttribute = windll.kernel32.FillConsoleOutputAttribute + _FillConsoleOutputAttribute.argtypes = [ + wintypes.HANDLE, + wintypes.WORD, + wintypes.DWORD, + COORD, + POINTER(wintypes.DWORD), + ] + _FillConsoleOutputAttribute.restype = wintypes.BOOL + + _SetConsoleTitleW = windll.kernel32.SetConsoleTitleW + _SetConsoleTitleW.argtypes = [ + wintypes.LPCWSTR + ] + _SetConsoleTitleW.restype = wintypes.BOOL + + def _winapi_test(handle): + csbi = CONSOLE_SCREEN_BUFFER_INFO() + success = _GetConsoleScreenBufferInfo( + handle, byref(csbi)) + return bool(success) + + def winapi_test(): + return any(_winapi_test(h) for h in + (_GetStdHandle(STDOUT), _GetStdHandle(STDERR))) + + def GetConsoleScreenBufferInfo(stream_id=STDOUT): + handle = _GetStdHandle(stream_id) + csbi = CONSOLE_SCREEN_BUFFER_INFO() + success = _GetConsoleScreenBufferInfo( + handle, byref(csbi)) + return csbi + + def SetConsoleTextAttribute(stream_id, attrs): + handle = _GetStdHandle(stream_id) + return _SetConsoleTextAttribute(handle, attrs) + + def SetConsoleCursorPosition(stream_id, position, adjust=True): + position = COORD(*position) + # If the position is out of range, do nothing. + if position.Y <= 0 or position.X <= 0: + return + # Adjust for Windows' SetConsoleCursorPosition: + # 1. being 0-based, while ANSI is 1-based. + # 2. expecting (x,y), while ANSI uses (y,x). + adjusted_position = COORD(position.Y - 1, position.X - 1) + if adjust: + # Adjust for viewport's scroll position + sr = GetConsoleScreenBufferInfo(STDOUT).srWindow + adjusted_position.Y += sr.Top + adjusted_position.X += sr.Left + # Resume normal processing + handle = _GetStdHandle(stream_id) + return _SetConsoleCursorPosition(handle, adjusted_position) + + def FillConsoleOutputCharacter(stream_id, char, length, start): + handle = _GetStdHandle(stream_id) + char = c_char(char.encode()) + length = wintypes.DWORD(length) + num_written = wintypes.DWORD(0) + # Note that this is hard-coded for ANSI (vs wide) bytes. + success = _FillConsoleOutputCharacterA( + handle, char, length, start, byref(num_written)) + return num_written.value + + def FillConsoleOutputAttribute(stream_id, attr, length, start): + ''' FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten )''' + handle = _GetStdHandle(stream_id) + attribute = wintypes.WORD(attr) + length = wintypes.DWORD(length) + num_written = wintypes.DWORD(0) + # Note that this is hard-coded for ANSI (vs wide) bytes. + return _FillConsoleOutputAttribute( + handle, attribute, length, start, byref(num_written)) + + def SetConsoleTitle(title): + return _SetConsoleTitleW(title) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/winterm.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/winterm.py new file mode 100644 index 0000000..0fdb4ec --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/colorama/winterm.py @@ -0,0 +1,169 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +from . import win32 + + +# from wincon.h +class WinColor(object): + BLACK = 0 + BLUE = 1 + GREEN = 2 + CYAN = 3 + RED = 4 + MAGENTA = 5 + YELLOW = 6 + GREY = 7 + +# from wincon.h +class WinStyle(object): + NORMAL = 0x00 # dim text, dim background + BRIGHT = 0x08 # bright text, dim background + BRIGHT_BACKGROUND = 0x80 # dim text, bright background + +class WinTerm(object): + + def __init__(self): + self._default = win32.GetConsoleScreenBufferInfo(win32.STDOUT).wAttributes + self.set_attrs(self._default) + self._default_fore = self._fore + self._default_back = self._back + self._default_style = self._style + # In order to emulate LIGHT_EX in windows, we borrow the BRIGHT style. + # So that LIGHT_EX colors and BRIGHT style do not clobber each other, + # we track them separately, since LIGHT_EX is overwritten by Fore/Back + # and BRIGHT is overwritten by Style codes. + self._light = 0 + + def get_attrs(self): + return self._fore + self._back * 16 + (self._style | self._light) + + def set_attrs(self, value): + self._fore = value & 7 + self._back = (value >> 4) & 7 + self._style = value & (WinStyle.BRIGHT | WinStyle.BRIGHT_BACKGROUND) + + def reset_all(self, on_stderr=None): + self.set_attrs(self._default) + self.set_console(attrs=self._default) + self._light = 0 + + def fore(self, fore=None, light=False, on_stderr=False): + if fore is None: + fore = self._default_fore + self._fore = fore + # Emulate LIGHT_EX with BRIGHT Style + if light: + self._light |= WinStyle.BRIGHT + else: + self._light &= ~WinStyle.BRIGHT + self.set_console(on_stderr=on_stderr) + + def back(self, back=None, light=False, on_stderr=False): + if back is None: + back = self._default_back + self._back = back + # Emulate LIGHT_EX with BRIGHT_BACKGROUND Style + if light: + self._light |= WinStyle.BRIGHT_BACKGROUND + else: + self._light &= ~WinStyle.BRIGHT_BACKGROUND + self.set_console(on_stderr=on_stderr) + + def style(self, style=None, on_stderr=False): + if style is None: + style = self._default_style + self._style = style + self.set_console(on_stderr=on_stderr) + + def set_console(self, attrs=None, on_stderr=False): + if attrs is None: + attrs = self.get_attrs() + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + win32.SetConsoleTextAttribute(handle, attrs) + + def get_position(self, handle): + position = win32.GetConsoleScreenBufferInfo(handle).dwCursorPosition + # Because Windows coordinates are 0-based, + # and win32.SetConsoleCursorPosition expects 1-based. + position.X += 1 + position.Y += 1 + return position + + def set_cursor_position(self, position=None, on_stderr=False): + if position is None: + # I'm not currently tracking the position, so there is no default. + # position = self.get_position() + return + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + win32.SetConsoleCursorPosition(handle, position) + + def cursor_adjust(self, x, y, on_stderr=False): + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + position = self.get_position(handle) + adjusted_position = (position.Y + y, position.X + x) + win32.SetConsoleCursorPosition(handle, adjusted_position, adjust=False) + + def erase_screen(self, mode=0, on_stderr=False): + # 0 should clear from the cursor to the end of the screen. + # 1 should clear from the cursor to the beginning of the screen. + # 2 should clear the entire screen, and move cursor to (1,1) + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + csbi = win32.GetConsoleScreenBufferInfo(handle) + # get the number of character cells in the current buffer + cells_in_screen = csbi.dwSize.X * csbi.dwSize.Y + # get number of character cells before current cursor position + cells_before_cursor = csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X + if mode == 0: + from_coord = csbi.dwCursorPosition + cells_to_erase = cells_in_screen - cells_before_cursor + elif mode == 1: + from_coord = win32.COORD(0, 0) + cells_to_erase = cells_before_cursor + elif mode == 2: + from_coord = win32.COORD(0, 0) + cells_to_erase = cells_in_screen + else: + # invalid mode + return + # fill the entire screen with blanks + win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord) + # now set the buffer's attributes accordingly + win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord) + if mode == 2: + # put the cursor where needed + win32.SetConsoleCursorPosition(handle, (1, 1)) + + def erase_line(self, mode=0, on_stderr=False): + # 0 should clear from the cursor to the end of the line. + # 1 should clear from the cursor to the beginning of the line. + # 2 should clear the entire line. + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + csbi = win32.GetConsoleScreenBufferInfo(handle) + if mode == 0: + from_coord = csbi.dwCursorPosition + cells_to_erase = csbi.dwSize.X - csbi.dwCursorPosition.X + elif mode == 1: + from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) + cells_to_erase = csbi.dwCursorPosition.X + elif mode == 2: + from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) + cells_to_erase = csbi.dwSize.X + else: + # invalid mode + return + # fill the entire screen with blanks + win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord) + # now set the buffer's attributes accordingly + win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord) + + def set_title(self, title): + win32.SetConsoleTitle(title) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/__init__.py new file mode 100644 index 0000000..a786b4d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/__init__.py @@ -0,0 +1,23 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2017 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import logging + +__version__ = '0.2.8' + +class DistlibException(Exception): + pass + +try: + from logging import NullHandler +except ImportError: # pragma: no cover + class NullHandler(logging.Handler): + def handle(self, record): pass + def emit(self, record): pass + def createLock(self): self.lock = None + +logger = logging.getLogger(__name__) +logger.addHandler(NullHandler()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/__init__.py new file mode 100644 index 0000000..f7dbf4c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/__init__.py @@ -0,0 +1,6 @@ +"""Modules copied from Python 3 standard libraries, for internal use only. + +Individual classes and functions are found in d2._backport.misc. Intended +usage is to always import things missing from 3.1 from that module: the +built-in/stdlib objects will be used if found. +""" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/misc.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/misc.py new file mode 100644 index 0000000..cfb318d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/misc.py @@ -0,0 +1,41 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Backports for individual classes and functions.""" + +import os +import sys + +__all__ = ['cache_from_source', 'callable', 'fsencode'] + + +try: + from imp import cache_from_source +except ImportError: + def cache_from_source(py_file, debug=__debug__): + ext = debug and 'c' or 'o' + return py_file + ext + + +try: + callable = callable +except NameError: + from collections import Callable + + def callable(obj): + return isinstance(obj, Callable) + + +try: + fsencode = os.fsencode +except AttributeError: + def fsencode(filename): + if isinstance(filename, bytes): + return filename + elif isinstance(filename, str): + return filename.encode(sys.getfilesystemencoding()) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/shutil.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/shutil.py new file mode 100644 index 0000000..159e49e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/shutil.py @@ -0,0 +1,761 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Utility functions for copying and archiving files and directory trees. + +XXX The functions here don't copy the resource fork or other metadata on Mac. + +""" + +import os +import sys +import stat +from os.path import abspath +import fnmatch +import collections +import errno +from . import tarfile + +try: + import bz2 + _BZ2_SUPPORTED = True +except ImportError: + _BZ2_SUPPORTED = False + +try: + from pwd import getpwnam +except ImportError: + getpwnam = None + +try: + from grp import getgrnam +except ImportError: + getgrnam = None + +__all__ = ["copyfileobj", "copyfile", "copymode", "copystat", "copy", "copy2", + "copytree", "move", "rmtree", "Error", "SpecialFileError", + "ExecError", "make_archive", "get_archive_formats", + "register_archive_format", "unregister_archive_format", + "get_unpack_formats", "register_unpack_format", + "unregister_unpack_format", "unpack_archive", "ignore_patterns"] + +class Error(EnvironmentError): + pass + +class SpecialFileError(EnvironmentError): + """Raised when trying to do a kind of operation (e.g. copying) which is + not supported on a special file (e.g. a named pipe)""" + +class ExecError(EnvironmentError): + """Raised when a command could not be executed""" + +class ReadError(EnvironmentError): + """Raised when an archive cannot be read""" + +class RegistryError(Exception): + """Raised when a registry operation with the archiving + and unpacking registries fails""" + + +try: + WindowsError +except NameError: + WindowsError = None + +def copyfileobj(fsrc, fdst, length=16*1024): + """copy data from file-like object fsrc to file-like object fdst""" + while 1: + buf = fsrc.read(length) + if not buf: + break + fdst.write(buf) + +def _samefile(src, dst): + # Macintosh, Unix. + if hasattr(os.path, 'samefile'): + try: + return os.path.samefile(src, dst) + except OSError: + return False + + # All other platforms: check for same pathname. + return (os.path.normcase(os.path.abspath(src)) == + os.path.normcase(os.path.abspath(dst))) + +def copyfile(src, dst): + """Copy data from src to dst""" + if _samefile(src, dst): + raise Error("`%s` and `%s` are the same file" % (src, dst)) + + for fn in [src, dst]: + try: + st = os.stat(fn) + except OSError: + # File most likely does not exist + pass + else: + # XXX What about other special files? (sockets, devices...) + if stat.S_ISFIFO(st.st_mode): + raise SpecialFileError("`%s` is a named pipe" % fn) + + with open(src, 'rb') as fsrc: + with open(dst, 'wb') as fdst: + copyfileobj(fsrc, fdst) + +def copymode(src, dst): + """Copy mode bits from src to dst""" + if hasattr(os, 'chmod'): + st = os.stat(src) + mode = stat.S_IMODE(st.st_mode) + os.chmod(dst, mode) + +def copystat(src, dst): + """Copy all stat info (mode bits, atime, mtime, flags) from src to dst""" + st = os.stat(src) + mode = stat.S_IMODE(st.st_mode) + if hasattr(os, 'utime'): + os.utime(dst, (st.st_atime, st.st_mtime)) + if hasattr(os, 'chmod'): + os.chmod(dst, mode) + if hasattr(os, 'chflags') and hasattr(st, 'st_flags'): + try: + os.chflags(dst, st.st_flags) + except OSError as why: + if (not hasattr(errno, 'EOPNOTSUPP') or + why.errno != errno.EOPNOTSUPP): + raise + +def copy(src, dst): + """Copy data and mode bits ("cp src dst"). + + The destination may be a directory. + + """ + if os.path.isdir(dst): + dst = os.path.join(dst, os.path.basename(src)) + copyfile(src, dst) + copymode(src, dst) + +def copy2(src, dst): + """Copy data and all stat info ("cp -p src dst"). + + The destination may be a directory. + + """ + if os.path.isdir(dst): + dst = os.path.join(dst, os.path.basename(src)) + copyfile(src, dst) + copystat(src, dst) + +def ignore_patterns(*patterns): + """Function that can be used as copytree() ignore parameter. + + Patterns is a sequence of glob-style patterns + that are used to exclude files""" + def _ignore_patterns(path, names): + ignored_names = [] + for pattern in patterns: + ignored_names.extend(fnmatch.filter(names, pattern)) + return set(ignored_names) + return _ignore_patterns + +def copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, + ignore_dangling_symlinks=False): + """Recursively copy a directory tree. + + The destination directory must not already exist. + If exception(s) occur, an Error is raised with a list of reasons. + + If the optional symlinks flag is true, symbolic links in the + source tree result in symbolic links in the destination tree; if + it is false, the contents of the files pointed to by symbolic + links are copied. If the file pointed by the symlink doesn't + exist, an exception will be added in the list of errors raised in + an Error exception at the end of the copy process. + + You can set the optional ignore_dangling_symlinks flag to true if you + want to silence this exception. Notice that this has no effect on + platforms that don't support os.symlink. + + The optional ignore argument is a callable. If given, it + is called with the `src` parameter, which is the directory + being visited by copytree(), and `names` which is the list of + `src` contents, as returned by os.listdir(): + + callable(src, names) -> ignored_names + + Since copytree() is called recursively, the callable will be + called once for each directory that is copied. It returns a + list of names relative to the `src` directory that should + not be copied. + + The optional copy_function argument is a callable that will be used + to copy each file. It will be called with the source path and the + destination path as arguments. By default, copy2() is used, but any + function that supports the same signature (like copy()) can be used. + + """ + names = os.listdir(src) + if ignore is not None: + ignored_names = ignore(src, names) + else: + ignored_names = set() + + os.makedirs(dst) + errors = [] + for name in names: + if name in ignored_names: + continue + srcname = os.path.join(src, name) + dstname = os.path.join(dst, name) + try: + if os.path.islink(srcname): + linkto = os.readlink(srcname) + if symlinks: + os.symlink(linkto, dstname) + else: + # ignore dangling symlink if the flag is on + if not os.path.exists(linkto) and ignore_dangling_symlinks: + continue + # otherwise let the copy occurs. copy2 will raise an error + copy_function(srcname, dstname) + elif os.path.isdir(srcname): + copytree(srcname, dstname, symlinks, ignore, copy_function) + else: + # Will raise a SpecialFileError for unsupported file types + copy_function(srcname, dstname) + # catch the Error from the recursive copytree so that we can + # continue with other files + except Error as err: + errors.extend(err.args[0]) + except EnvironmentError as why: + errors.append((srcname, dstname, str(why))) + try: + copystat(src, dst) + except OSError as why: + if WindowsError is not None and isinstance(why, WindowsError): + # Copying file access times may fail on Windows + pass + else: + errors.extend((src, dst, str(why))) + if errors: + raise Error(errors) + +def rmtree(path, ignore_errors=False, onerror=None): + """Recursively delete a directory tree. + + If ignore_errors is set, errors are ignored; otherwise, if onerror + is set, it is called to handle the error with arguments (func, + path, exc_info) where func is os.listdir, os.remove, or os.rmdir; + path is the argument to that function that caused it to fail; and + exc_info is a tuple returned by sys.exc_info(). If ignore_errors + is false and onerror is None, an exception is raised. + + """ + if ignore_errors: + def onerror(*args): + pass + elif onerror is None: + def onerror(*args): + raise + try: + if os.path.islink(path): + # symlinks to directories are forbidden, see bug #1669 + raise OSError("Cannot call rmtree on a symbolic link") + except OSError: + onerror(os.path.islink, path, sys.exc_info()) + # can't continue even if onerror hook returns + return + names = [] + try: + names = os.listdir(path) + except os.error: + onerror(os.listdir, path, sys.exc_info()) + for name in names: + fullname = os.path.join(path, name) + try: + mode = os.lstat(fullname).st_mode + except os.error: + mode = 0 + if stat.S_ISDIR(mode): + rmtree(fullname, ignore_errors, onerror) + else: + try: + os.remove(fullname) + except os.error: + onerror(os.remove, fullname, sys.exc_info()) + try: + os.rmdir(path) + except os.error: + onerror(os.rmdir, path, sys.exc_info()) + + +def _basename(path): + # A basename() variant which first strips the trailing slash, if present. + # Thus we always get the last component of the path, even for directories. + return os.path.basename(path.rstrip(os.path.sep)) + +def move(src, dst): + """Recursively move a file or directory to another location. This is + similar to the Unix "mv" command. + + If the destination is a directory or a symlink to a directory, the source + is moved inside the directory. The destination path must not already + exist. + + If the destination already exists but is not a directory, it may be + overwritten depending on os.rename() semantics. + + If the destination is on our current filesystem, then rename() is used. + Otherwise, src is copied to the destination and then removed. + A lot more could be done here... A look at a mv.c shows a lot of + the issues this implementation glosses over. + + """ + real_dst = dst + if os.path.isdir(dst): + if _samefile(src, dst): + # We might be on a case insensitive filesystem, + # perform the rename anyway. + os.rename(src, dst) + return + + real_dst = os.path.join(dst, _basename(src)) + if os.path.exists(real_dst): + raise Error("Destination path '%s' already exists" % real_dst) + try: + os.rename(src, real_dst) + except OSError: + if os.path.isdir(src): + if _destinsrc(src, dst): + raise Error("Cannot move a directory '%s' into itself '%s'." % (src, dst)) + copytree(src, real_dst, symlinks=True) + rmtree(src) + else: + copy2(src, real_dst) + os.unlink(src) + +def _destinsrc(src, dst): + src = abspath(src) + dst = abspath(dst) + if not src.endswith(os.path.sep): + src += os.path.sep + if not dst.endswith(os.path.sep): + dst += os.path.sep + return dst.startswith(src) + +def _get_gid(name): + """Returns a gid, given a group name.""" + if getgrnam is None or name is None: + return None + try: + result = getgrnam(name) + except KeyError: + result = None + if result is not None: + return result[2] + return None + +def _get_uid(name): + """Returns an uid, given a user name.""" + if getpwnam is None or name is None: + return None + try: + result = getpwnam(name) + except KeyError: + result = None + if result is not None: + return result[2] + return None + +def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0, + owner=None, group=None, logger=None): + """Create a (possibly compressed) tar file from all the files under + 'base_dir'. + + 'compress' must be "gzip" (the default), "bzip2", or None. + + 'owner' and 'group' can be used to define an owner and a group for the + archive that is being built. If not provided, the current owner and group + will be used. + + The output tar file will be named 'base_name' + ".tar", possibly plus + the appropriate compression extension (".gz", or ".bz2"). + + Returns the output filename. + """ + tar_compression = {'gzip': 'gz', None: ''} + compress_ext = {'gzip': '.gz'} + + if _BZ2_SUPPORTED: + tar_compression['bzip2'] = 'bz2' + compress_ext['bzip2'] = '.bz2' + + # flags for compression program, each element of list will be an argument + if compress is not None and compress not in compress_ext: + raise ValueError("bad value for 'compress', or compression format not " + "supported : {0}".format(compress)) + + archive_name = base_name + '.tar' + compress_ext.get(compress, '') + archive_dir = os.path.dirname(archive_name) + + if not os.path.exists(archive_dir): + if logger is not None: + logger.info("creating %s", archive_dir) + if not dry_run: + os.makedirs(archive_dir) + + # creating the tarball + if logger is not None: + logger.info('Creating tar archive') + + uid = _get_uid(owner) + gid = _get_gid(group) + + def _set_uid_gid(tarinfo): + if gid is not None: + tarinfo.gid = gid + tarinfo.gname = group + if uid is not None: + tarinfo.uid = uid + tarinfo.uname = owner + return tarinfo + + if not dry_run: + tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress]) + try: + tar.add(base_dir, filter=_set_uid_gid) + finally: + tar.close() + + return archive_name + +def _call_external_zip(base_dir, zip_filename, verbose=False, dry_run=False): + # XXX see if we want to keep an external call here + if verbose: + zipoptions = "-r" + else: + zipoptions = "-rq" + from distutils.errors import DistutilsExecError + from distutils.spawn import spawn + try: + spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run) + except DistutilsExecError: + # XXX really should distinguish between "couldn't find + # external 'zip' command" and "zip failed". + raise ExecError("unable to create zip file '%s': " + "could neither import the 'zipfile' module nor " + "find a standalone zip utility") % zip_filename + +def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None): + """Create a zip file from all the files under 'base_dir'. + + The output zip file will be named 'base_name' + ".zip". Uses either the + "zipfile" Python module (if available) or the InfoZIP "zip" utility + (if installed and found on the default search path). If neither tool is + available, raises ExecError. Returns the name of the output zip + file. + """ + zip_filename = base_name + ".zip" + archive_dir = os.path.dirname(base_name) + + if not os.path.exists(archive_dir): + if logger is not None: + logger.info("creating %s", archive_dir) + if not dry_run: + os.makedirs(archive_dir) + + # If zipfile module is not available, try spawning an external 'zip' + # command. + try: + import zipfile + except ImportError: + zipfile = None + + if zipfile is None: + _call_external_zip(base_dir, zip_filename, verbose, dry_run) + else: + if logger is not None: + logger.info("creating '%s' and adding '%s' to it", + zip_filename, base_dir) + + if not dry_run: + zip = zipfile.ZipFile(zip_filename, "w", + compression=zipfile.ZIP_DEFLATED) + + for dirpath, dirnames, filenames in os.walk(base_dir): + for name in filenames: + path = os.path.normpath(os.path.join(dirpath, name)) + if os.path.isfile(path): + zip.write(path, path) + if logger is not None: + logger.info("adding '%s'", path) + zip.close() + + return zip_filename + +_ARCHIVE_FORMATS = { + 'gztar': (_make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"), + 'bztar': (_make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"), + 'tar': (_make_tarball, [('compress', None)], "uncompressed tar file"), + 'zip': (_make_zipfile, [], "ZIP file"), + } + +if _BZ2_SUPPORTED: + _ARCHIVE_FORMATS['bztar'] = (_make_tarball, [('compress', 'bzip2')], + "bzip2'ed tar-file") + +def get_archive_formats(): + """Returns a list of supported formats for archiving and unarchiving. + + Each element of the returned sequence is a tuple (name, description) + """ + formats = [(name, registry[2]) for name, registry in + _ARCHIVE_FORMATS.items()] + formats.sort() + return formats + +def register_archive_format(name, function, extra_args=None, description=''): + """Registers an archive format. + + name is the name of the format. function is the callable that will be + used to create archives. If provided, extra_args is a sequence of + (name, value) tuples that will be passed as arguments to the callable. + description can be provided to describe the format, and will be returned + by the get_archive_formats() function. + """ + if extra_args is None: + extra_args = [] + if not isinstance(function, collections.Callable): + raise TypeError('The %s object is not callable' % function) + if not isinstance(extra_args, (tuple, list)): + raise TypeError('extra_args needs to be a sequence') + for element in extra_args: + if not isinstance(element, (tuple, list)) or len(element) !=2: + raise TypeError('extra_args elements are : (arg_name, value)') + + _ARCHIVE_FORMATS[name] = (function, extra_args, description) + +def unregister_archive_format(name): + del _ARCHIVE_FORMATS[name] + +def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0, + dry_run=0, owner=None, group=None, logger=None): + """Create an archive file (eg. zip or tar). + + 'base_name' is the name of the file to create, minus any format-specific + extension; 'format' is the archive format: one of "zip", "tar", "bztar" + or "gztar". + + 'root_dir' is a directory that will be the root directory of the + archive; ie. we typically chdir into 'root_dir' before creating the + archive. 'base_dir' is the directory where we start archiving from; + ie. 'base_dir' will be the common prefix of all files and + directories in the archive. 'root_dir' and 'base_dir' both default + to the current directory. Returns the name of the archive file. + + 'owner' and 'group' are used when creating a tar archive. By default, + uses the current owner and group. + """ + save_cwd = os.getcwd() + if root_dir is not None: + if logger is not None: + logger.debug("changing into '%s'", root_dir) + base_name = os.path.abspath(base_name) + if not dry_run: + os.chdir(root_dir) + + if base_dir is None: + base_dir = os.curdir + + kwargs = {'dry_run': dry_run, 'logger': logger} + + try: + format_info = _ARCHIVE_FORMATS[format] + except KeyError: + raise ValueError("unknown archive format '%s'" % format) + + func = format_info[0] + for arg, val in format_info[1]: + kwargs[arg] = val + + if format != 'zip': + kwargs['owner'] = owner + kwargs['group'] = group + + try: + filename = func(base_name, base_dir, **kwargs) + finally: + if root_dir is not None: + if logger is not None: + logger.debug("changing back to '%s'", save_cwd) + os.chdir(save_cwd) + + return filename + + +def get_unpack_formats(): + """Returns a list of supported formats for unpacking. + + Each element of the returned sequence is a tuple + (name, extensions, description) + """ + formats = [(name, info[0], info[3]) for name, info in + _UNPACK_FORMATS.items()] + formats.sort() + return formats + +def _check_unpack_options(extensions, function, extra_args): + """Checks what gets registered as an unpacker.""" + # first make sure no other unpacker is registered for this extension + existing_extensions = {} + for name, info in _UNPACK_FORMATS.items(): + for ext in info[0]: + existing_extensions[ext] = name + + for extension in extensions: + if extension in existing_extensions: + msg = '%s is already registered for "%s"' + raise RegistryError(msg % (extension, + existing_extensions[extension])) + + if not isinstance(function, collections.Callable): + raise TypeError('The registered function must be a callable') + + +def register_unpack_format(name, extensions, function, extra_args=None, + description=''): + """Registers an unpack format. + + `name` is the name of the format. `extensions` is a list of extensions + corresponding to the format. + + `function` is the callable that will be + used to unpack archives. The callable will receive archives to unpack. + If it's unable to handle an archive, it needs to raise a ReadError + exception. + + If provided, `extra_args` is a sequence of + (name, value) tuples that will be passed as arguments to the callable. + description can be provided to describe the format, and will be returned + by the get_unpack_formats() function. + """ + if extra_args is None: + extra_args = [] + _check_unpack_options(extensions, function, extra_args) + _UNPACK_FORMATS[name] = extensions, function, extra_args, description + +def unregister_unpack_format(name): + """Removes the pack format from the registry.""" + del _UNPACK_FORMATS[name] + +def _ensure_directory(path): + """Ensure that the parent directory of `path` exists""" + dirname = os.path.dirname(path) + if not os.path.isdir(dirname): + os.makedirs(dirname) + +def _unpack_zipfile(filename, extract_dir): + """Unpack zip `filename` to `extract_dir` + """ + try: + import zipfile + except ImportError: + raise ReadError('zlib not supported, cannot unpack this archive.') + + if not zipfile.is_zipfile(filename): + raise ReadError("%s is not a zip file" % filename) + + zip = zipfile.ZipFile(filename) + try: + for info in zip.infolist(): + name = info.filename + + # don't extract absolute paths or ones with .. in them + if name.startswith('/') or '..' in name: + continue + + target = os.path.join(extract_dir, *name.split('/')) + if not target: + continue + + _ensure_directory(target) + if not name.endswith('/'): + # file + data = zip.read(info.filename) + f = open(target, 'wb') + try: + f.write(data) + finally: + f.close() + del data + finally: + zip.close() + +def _unpack_tarfile(filename, extract_dir): + """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` + """ + try: + tarobj = tarfile.open(filename) + except tarfile.TarError: + raise ReadError( + "%s is not a compressed or uncompressed tar file" % filename) + try: + tarobj.extractall(extract_dir) + finally: + tarobj.close() + +_UNPACK_FORMATS = { + 'gztar': (['.tar.gz', '.tgz'], _unpack_tarfile, [], "gzip'ed tar-file"), + 'tar': (['.tar'], _unpack_tarfile, [], "uncompressed tar file"), + 'zip': (['.zip'], _unpack_zipfile, [], "ZIP file") + } + +if _BZ2_SUPPORTED: + _UNPACK_FORMATS['bztar'] = (['.bz2'], _unpack_tarfile, [], + "bzip2'ed tar-file") + +def _find_unpack_format(filename): + for name, info in _UNPACK_FORMATS.items(): + for extension in info[0]: + if filename.endswith(extension): + return name + return None + +def unpack_archive(filename, extract_dir=None, format=None): + """Unpack an archive. + + `filename` is the name of the archive. + + `extract_dir` is the name of the target directory, where the archive + is unpacked. If not provided, the current working directory is used. + + `format` is the archive format: one of "zip", "tar", or "gztar". Or any + other registered format. If not provided, unpack_archive will use the + filename extension and see if an unpacker was registered for that + extension. + + In case none is found, a ValueError is raised. + """ + if extract_dir is None: + extract_dir = os.getcwd() + + if format is not None: + try: + format_info = _UNPACK_FORMATS[format] + except KeyError: + raise ValueError("Unknown unpack format '{0}'".format(format)) + + func = format_info[1] + func(filename, extract_dir, **dict(format_info[2])) + else: + # we need to look at the registered unpackers supported extensions + format = _find_unpack_format(filename) + if format is None: + raise ReadError("Unknown archive format '{0}'".format(filename)) + + func = _UNPACK_FORMATS[format][1] + kwargs = dict(_UNPACK_FORMATS[format][2]) + func(filename, extract_dir, **kwargs) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.cfg b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.cfg new file mode 100644 index 0000000..1746bd0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.cfg @@ -0,0 +1,84 @@ +[posix_prefix] +# Configuration directories. Some of these come straight out of the +# configure script. They are for implementing the other variables, not to +# be used directly in [resource_locations]. +confdir = /etc +datadir = /usr/share +libdir = /usr/lib +statedir = /var +# User resource directory +local = ~/.local/{distribution.name} + +stdlib = {base}/lib/python{py_version_short} +platstdlib = {platbase}/lib/python{py_version_short} +purelib = {base}/lib/python{py_version_short}/site-packages +platlib = {platbase}/lib/python{py_version_short}/site-packages +include = {base}/include/python{py_version_short}{abiflags} +platinclude = {platbase}/include/python{py_version_short}{abiflags} +data = {base} + +[posix_home] +stdlib = {base}/lib/python +platstdlib = {base}/lib/python +purelib = {base}/lib/python +platlib = {base}/lib/python +include = {base}/include/python +platinclude = {base}/include/python +scripts = {base}/bin +data = {base} + +[nt] +stdlib = {base}/Lib +platstdlib = {base}/Lib +purelib = {base}/Lib/site-packages +platlib = {base}/Lib/site-packages +include = {base}/Include +platinclude = {base}/Include +scripts = {base}/Scripts +data = {base} + +[os2] +stdlib = {base}/Lib +platstdlib = {base}/Lib +purelib = {base}/Lib/site-packages +platlib = {base}/Lib/site-packages +include = {base}/Include +platinclude = {base}/Include +scripts = {base}/Scripts +data = {base} + +[os2_home] +stdlib = {userbase}/lib/python{py_version_short} +platstdlib = {userbase}/lib/python{py_version_short} +purelib = {userbase}/lib/python{py_version_short}/site-packages +platlib = {userbase}/lib/python{py_version_short}/site-packages +include = {userbase}/include/python{py_version_short} +scripts = {userbase}/bin +data = {userbase} + +[nt_user] +stdlib = {userbase}/Python{py_version_nodot} +platstdlib = {userbase}/Python{py_version_nodot} +purelib = {userbase}/Python{py_version_nodot}/site-packages +platlib = {userbase}/Python{py_version_nodot}/site-packages +include = {userbase}/Python{py_version_nodot}/Include +scripts = {userbase}/Scripts +data = {userbase} + +[posix_user] +stdlib = {userbase}/lib/python{py_version_short} +platstdlib = {userbase}/lib/python{py_version_short} +purelib = {userbase}/lib/python{py_version_short}/site-packages +platlib = {userbase}/lib/python{py_version_short}/site-packages +include = {userbase}/include/python{py_version_short} +scripts = {userbase}/bin +data = {userbase} + +[osx_framework_user] +stdlib = {userbase}/lib/python +platstdlib = {userbase}/lib/python +purelib = {userbase}/lib/python/site-packages +platlib = {userbase}/lib/python/site-packages +include = {userbase}/include +scripts = {userbase}/bin +data = {userbase} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.py new file mode 100644 index 0000000..1df3aba --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/sysconfig.py @@ -0,0 +1,788 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Access to Python's configuration information.""" + +import codecs +import os +import re +import sys +from os.path import pardir, realpath +try: + import configparser +except ImportError: + import ConfigParser as configparser + + +__all__ = [ + 'get_config_h_filename', + 'get_config_var', + 'get_config_vars', + 'get_makefile_filename', + 'get_path', + 'get_path_names', + 'get_paths', + 'get_platform', + 'get_python_version', + 'get_scheme_names', + 'parse_config_h', +] + + +def _safe_realpath(path): + try: + return realpath(path) + except OSError: + return path + + +if sys.executable: + _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable)) +else: + # sys.executable can be empty if argv[0] has been changed and Python is + # unable to retrieve the real program name + _PROJECT_BASE = _safe_realpath(os.getcwd()) + +if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir)) +# PC/VS7.1 +if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) +# PC/AMD64 +if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) + + +def is_python_build(): + for fn in ("Setup.dist", "Setup.local"): + if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)): + return True + return False + +_PYTHON_BUILD = is_python_build() + +_cfg_read = False + +def _ensure_cfg_read(): + global _cfg_read + if not _cfg_read: + from ..resources import finder + backport_package = __name__.rsplit('.', 1)[0] + _finder = finder(backport_package) + _cfgfile = _finder.find('sysconfig.cfg') + assert _cfgfile, 'sysconfig.cfg exists' + with _cfgfile.as_stream() as s: + _SCHEMES.readfp(s) + if _PYTHON_BUILD: + for scheme in ('posix_prefix', 'posix_home'): + _SCHEMES.set(scheme, 'include', '{srcdir}/Include') + _SCHEMES.set(scheme, 'platinclude', '{projectbase}/.') + + _cfg_read = True + + +_SCHEMES = configparser.RawConfigParser() +_VAR_REPL = re.compile(r'\{([^{]*?)\}') + +def _expand_globals(config): + _ensure_cfg_read() + if config.has_section('globals'): + globals = config.items('globals') + else: + globals = tuple() + + sections = config.sections() + for section in sections: + if section == 'globals': + continue + for option, value in globals: + if config.has_option(section, option): + continue + config.set(section, option, value) + config.remove_section('globals') + + # now expanding local variables defined in the cfg file + # + for section in config.sections(): + variables = dict(config.items(section)) + + def _replacer(matchobj): + name = matchobj.group(1) + if name in variables: + return variables[name] + return matchobj.group(0) + + for option, value in config.items(section): + config.set(section, option, _VAR_REPL.sub(_replacer, value)) + +#_expand_globals(_SCHEMES) + + # FIXME don't rely on sys.version here, its format is an implementation detail + # of CPython, use sys.version_info or sys.hexversion +_PY_VERSION = sys.version.split()[0] +_PY_VERSION_SHORT = sys.version[:3] +_PY_VERSION_SHORT_NO_DOT = _PY_VERSION[0] + _PY_VERSION[2] +_PREFIX = os.path.normpath(sys.prefix) +_EXEC_PREFIX = os.path.normpath(sys.exec_prefix) +_CONFIG_VARS = None +_USER_BASE = None + + +def _subst_vars(path, local_vars): + """In the string `path`, replace tokens like {some.thing} with the + corresponding value from the map `local_vars`. + + If there is no corresponding value, leave the token unchanged. + """ + def _replacer(matchobj): + name = matchobj.group(1) + if name in local_vars: + return local_vars[name] + elif name in os.environ: + return os.environ[name] + return matchobj.group(0) + return _VAR_REPL.sub(_replacer, path) + + +def _extend_dict(target_dict, other_dict): + target_keys = target_dict.keys() + for key, value in other_dict.items(): + if key in target_keys: + continue + target_dict[key] = value + + +def _expand_vars(scheme, vars): + res = {} + if vars is None: + vars = {} + _extend_dict(vars, get_config_vars()) + + for key, value in _SCHEMES.items(scheme): + if os.name in ('posix', 'nt'): + value = os.path.expanduser(value) + res[key] = os.path.normpath(_subst_vars(value, vars)) + return res + + +def format_value(value, vars): + def _replacer(matchobj): + name = matchobj.group(1) + if name in vars: + return vars[name] + return matchobj.group(0) + return _VAR_REPL.sub(_replacer, value) + + +def _get_default_scheme(): + if os.name == 'posix': + # the default scheme for posix is posix_prefix + return 'posix_prefix' + return os.name + + +def _getuserbase(): + env_base = os.environ.get("PYTHONUSERBASE", None) + + def joinuser(*args): + return os.path.expanduser(os.path.join(*args)) + + # what about 'os2emx', 'riscos' ? + if os.name == "nt": + base = os.environ.get("APPDATA") or "~" + if env_base: + return env_base + else: + return joinuser(base, "Python") + + if sys.platform == "darwin": + framework = get_config_var("PYTHONFRAMEWORK") + if framework: + if env_base: + return env_base + else: + return joinuser("~", "Library", framework, "%d.%d" % + sys.version_info[:2]) + + if env_base: + return env_base + else: + return joinuser("~", ".local") + + +def _parse_makefile(filename, vars=None): + """Parse a Makefile-style file. + + A dictionary containing name/value pairs is returned. If an + optional dictionary is passed in as the second argument, it is + used instead of a new dictionary. + """ + # Regexes needed for parsing Makefile (and similar syntaxes, + # like old-style Setup files). + _variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)") + _findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)") + _findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}") + + if vars is None: + vars = {} + done = {} + notdone = {} + + with codecs.open(filename, encoding='utf-8', errors="surrogateescape") as f: + lines = f.readlines() + + for line in lines: + if line.startswith('#') or line.strip() == '': + continue + m = _variable_rx.match(line) + if m: + n, v = m.group(1, 2) + v = v.strip() + # `$$' is a literal `$' in make + tmpv = v.replace('$$', '') + + if "$" in tmpv: + notdone[n] = v + else: + try: + v = int(v) + except ValueError: + # insert literal `$' + done[n] = v.replace('$$', '$') + else: + done[n] = v + + # do variable interpolation here + variables = list(notdone.keys()) + + # Variables with a 'PY_' prefix in the makefile. These need to + # be made available without that prefix through sysconfig. + # Special care is needed to ensure that variable expansion works, even + # if the expansion uses the name without a prefix. + renamed_variables = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS') + + while len(variables) > 0: + for name in tuple(variables): + value = notdone[name] + m = _findvar1_rx.search(value) or _findvar2_rx.search(value) + if m is not None: + n = m.group(1) + found = True + if n in done: + item = str(done[n]) + elif n in notdone: + # get it on a subsequent round + found = False + elif n in os.environ: + # do it like make: fall back to environment + item = os.environ[n] + + elif n in renamed_variables: + if (name.startswith('PY_') and + name[3:] in renamed_variables): + item = "" + + elif 'PY_' + n in notdone: + found = False + + else: + item = str(done['PY_' + n]) + + else: + done[n] = item = "" + + if found: + after = value[m.end():] + value = value[:m.start()] + item + after + if "$" in after: + notdone[name] = value + else: + try: + value = int(value) + except ValueError: + done[name] = value.strip() + else: + done[name] = value + variables.remove(name) + + if (name.startswith('PY_') and + name[3:] in renamed_variables): + + name = name[3:] + if name not in done: + done[name] = value + + else: + # bogus variable reference (e.g. "prefix=$/opt/python"); + # just drop it since we can't deal + done[name] = value + variables.remove(name) + + # strip spurious spaces + for k, v in done.items(): + if isinstance(v, str): + done[k] = v.strip() + + # save the results in the global dictionary + vars.update(done) + return vars + + +def get_makefile_filename(): + """Return the path of the Makefile.""" + if _PYTHON_BUILD: + return os.path.join(_PROJECT_BASE, "Makefile") + if hasattr(sys, 'abiflags'): + config_dir_name = 'config-%s%s' % (_PY_VERSION_SHORT, sys.abiflags) + else: + config_dir_name = 'config' + return os.path.join(get_path('stdlib'), config_dir_name, 'Makefile') + + +def _init_posix(vars): + """Initialize the module as appropriate for POSIX systems.""" + # load the installed Makefile: + makefile = get_makefile_filename() + try: + _parse_makefile(makefile, vars) + except IOError as e: + msg = "invalid Python installation: unable to open %s" % makefile + if hasattr(e, "strerror"): + msg = msg + " (%s)" % e.strerror + raise IOError(msg) + # load the installed pyconfig.h: + config_h = get_config_h_filename() + try: + with open(config_h) as f: + parse_config_h(f, vars) + except IOError as e: + msg = "invalid Python installation: unable to open %s" % config_h + if hasattr(e, "strerror"): + msg = msg + " (%s)" % e.strerror + raise IOError(msg) + # On AIX, there are wrong paths to the linker scripts in the Makefile + # -- these paths are relative to the Python source, but when installed + # the scripts are in another directory. + if _PYTHON_BUILD: + vars['LDSHARED'] = vars['BLDSHARED'] + + +def _init_non_posix(vars): + """Initialize the module as appropriate for NT""" + # set basic install directories + vars['LIBDEST'] = get_path('stdlib') + vars['BINLIBDEST'] = get_path('platstdlib') + vars['INCLUDEPY'] = get_path('include') + vars['SO'] = '.pyd' + vars['EXE'] = '.exe' + vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT + vars['BINDIR'] = os.path.dirname(_safe_realpath(sys.executable)) + +# +# public APIs +# + + +def parse_config_h(fp, vars=None): + """Parse a config.h-style file. + + A dictionary containing name/value pairs is returned. If an + optional dictionary is passed in as the second argument, it is + used instead of a new dictionary. + """ + if vars is None: + vars = {} + define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n") + undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n") + + while True: + line = fp.readline() + if not line: + break + m = define_rx.match(line) + if m: + n, v = m.group(1, 2) + try: + v = int(v) + except ValueError: + pass + vars[n] = v + else: + m = undef_rx.match(line) + if m: + vars[m.group(1)] = 0 + return vars + + +def get_config_h_filename(): + """Return the path of pyconfig.h.""" + if _PYTHON_BUILD: + if os.name == "nt": + inc_dir = os.path.join(_PROJECT_BASE, "PC") + else: + inc_dir = _PROJECT_BASE + else: + inc_dir = get_path('platinclude') + return os.path.join(inc_dir, 'pyconfig.h') + + +def get_scheme_names(): + """Return a tuple containing the schemes names.""" + return tuple(sorted(_SCHEMES.sections())) + + +def get_path_names(): + """Return a tuple containing the paths names.""" + # xxx see if we want a static list + return _SCHEMES.options('posix_prefix') + + +def get_paths(scheme=_get_default_scheme(), vars=None, expand=True): + """Return a mapping containing an install scheme. + + ``scheme`` is the install scheme name. If not provided, it will + return the default scheme for the current platform. + """ + _ensure_cfg_read() + if expand: + return _expand_vars(scheme, vars) + else: + return dict(_SCHEMES.items(scheme)) + + +def get_path(name, scheme=_get_default_scheme(), vars=None, expand=True): + """Return a path corresponding to the scheme. + + ``scheme`` is the install scheme name. + """ + return get_paths(scheme, vars, expand)[name] + + +def get_config_vars(*args): + """With no arguments, return a dictionary of all configuration + variables relevant for the current platform. + + On Unix, this means every variable defined in Python's installed Makefile; + On Windows and Mac OS it's a much smaller set. + + With arguments, return a list of values that result from looking up + each argument in the configuration variable dictionary. + """ + global _CONFIG_VARS + if _CONFIG_VARS is None: + _CONFIG_VARS = {} + # Normalized versions of prefix and exec_prefix are handy to have; + # in fact, these are the standard versions used most places in the + # distutils2 module. + _CONFIG_VARS['prefix'] = _PREFIX + _CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX + _CONFIG_VARS['py_version'] = _PY_VERSION + _CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT + _CONFIG_VARS['py_version_nodot'] = _PY_VERSION[0] + _PY_VERSION[2] + _CONFIG_VARS['base'] = _PREFIX + _CONFIG_VARS['platbase'] = _EXEC_PREFIX + _CONFIG_VARS['projectbase'] = _PROJECT_BASE + try: + _CONFIG_VARS['abiflags'] = sys.abiflags + except AttributeError: + # sys.abiflags may not be defined on all platforms. + _CONFIG_VARS['abiflags'] = '' + + if os.name in ('nt', 'os2'): + _init_non_posix(_CONFIG_VARS) + if os.name == 'posix': + _init_posix(_CONFIG_VARS) + # Setting 'userbase' is done below the call to the + # init function to enable using 'get_config_var' in + # the init-function. + if sys.version >= '2.6': + _CONFIG_VARS['userbase'] = _getuserbase() + + if 'srcdir' not in _CONFIG_VARS: + _CONFIG_VARS['srcdir'] = _PROJECT_BASE + else: + _CONFIG_VARS['srcdir'] = _safe_realpath(_CONFIG_VARS['srcdir']) + + # Convert srcdir into an absolute path if it appears necessary. + # Normally it is relative to the build directory. However, during + # testing, for example, we might be running a non-installed python + # from a different directory. + if _PYTHON_BUILD and os.name == "posix": + base = _PROJECT_BASE + try: + cwd = os.getcwd() + except OSError: + cwd = None + if (not os.path.isabs(_CONFIG_VARS['srcdir']) and + base != cwd): + # srcdir is relative and we are not in the same directory + # as the executable. Assume executable is in the build + # directory and make srcdir absolute. + srcdir = os.path.join(base, _CONFIG_VARS['srcdir']) + _CONFIG_VARS['srcdir'] = os.path.normpath(srcdir) + + if sys.platform == 'darwin': + kernel_version = os.uname()[2] # Kernel version (8.4.3) + major_version = int(kernel_version.split('.')[0]) + + if major_version < 8: + # On Mac OS X before 10.4, check if -arch and -isysroot + # are in CFLAGS or LDFLAGS and remove them if they are. + # This is needed when building extensions on a 10.3 system + # using a universal build of python. + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + flags = _CONFIG_VARS[key] + flags = re.sub(r'-arch\s+\w+\s', ' ', flags) + flags = re.sub('-isysroot [^ \t]*', ' ', flags) + _CONFIG_VARS[key] = flags + else: + # Allow the user to override the architecture flags using + # an environment variable. + # NOTE: This name was introduced by Apple in OSX 10.5 and + # is used by several scripting languages distributed with + # that OS release. + if 'ARCHFLAGS' in os.environ: + arch = os.environ['ARCHFLAGS'] + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + + flags = _CONFIG_VARS[key] + flags = re.sub(r'-arch\s+\w+\s', ' ', flags) + flags = flags + ' ' + arch + _CONFIG_VARS[key] = flags + + # If we're on OSX 10.5 or later and the user tries to + # compiles an extension using an SDK that is not present + # on the current machine it is better to not use an SDK + # than to fail. + # + # The major usecase for this is users using a Python.org + # binary installer on OSX 10.6: that installer uses + # the 10.4u SDK, but that SDK is not installed by default + # when you install Xcode. + # + CFLAGS = _CONFIG_VARS.get('CFLAGS', '') + m = re.search(r'-isysroot\s+(\S+)', CFLAGS) + if m is not None: + sdk = m.group(1) + if not os.path.exists(sdk): + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + + flags = _CONFIG_VARS[key] + flags = re.sub(r'-isysroot\s+\S+(\s|$)', ' ', flags) + _CONFIG_VARS[key] = flags + + if args: + vals = [] + for name in args: + vals.append(_CONFIG_VARS.get(name)) + return vals + else: + return _CONFIG_VARS + + +def get_config_var(name): + """Return the value of a single variable using the dictionary returned by + 'get_config_vars()'. + + Equivalent to get_config_vars().get(name) + """ + return get_config_vars().get(name) + + +def get_platform(): + """Return a string that identifies the current platform. + + This is used mainly to distinguish platform-specific build directories and + platform-specific built distributions. Typically includes the OS name + and version and the architecture (as supplied by 'os.uname()'), + although the exact information included depends on the OS; eg. for IRIX + the architecture isn't particularly important (IRIX only runs on SGI + hardware), but for Linux the kernel version isn't particularly + important. + + Examples of returned values: + linux-i586 + linux-alpha (?) + solaris-2.6-sun4u + irix-5.3 + irix64-6.2 + + Windows will return one of: + win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc) + win-ia64 (64bit Windows on Itanium) + win32 (all others - specifically, sys.platform is returned) + + For other non-POSIX platforms, currently just returns 'sys.platform'. + """ + if os.name == 'nt': + # sniff sys.version for architecture. + prefix = " bit (" + i = sys.version.find(prefix) + if i == -1: + return sys.platform + j = sys.version.find(")", i) + look = sys.version[i+len(prefix):j].lower() + if look == 'amd64': + return 'win-amd64' + if look == 'itanium': + return 'win-ia64' + return sys.platform + + if os.name != "posix" or not hasattr(os, 'uname'): + # XXX what about the architecture? NT is Intel or Alpha, + # Mac OS is M68k or PPC, etc. + return sys.platform + + # Try to distinguish various flavours of Unix + osname, host, release, version, machine = os.uname() + + # Convert the OS name to lowercase, remove '/' characters + # (to accommodate BSD/OS), and translate spaces (for "Power Macintosh") + osname = osname.lower().replace('/', '') + machine = machine.replace(' ', '_') + machine = machine.replace('/', '-') + + if osname[:5] == "linux": + # At least on Linux/Intel, 'machine' is the processor -- + # i386, etc. + # XXX what about Alpha, SPARC, etc? + return "%s-%s" % (osname, machine) + elif osname[:5] == "sunos": + if release[0] >= "5": # SunOS 5 == Solaris 2 + osname = "solaris" + release = "%d.%s" % (int(release[0]) - 3, release[2:]) + # fall through to standard osname-release-machine representation + elif osname[:4] == "irix": # could be "irix64"! + return "%s-%s" % (osname, release) + elif osname[:3] == "aix": + return "%s-%s.%s" % (osname, version, release) + elif osname[:6] == "cygwin": + osname = "cygwin" + rel_re = re.compile(r'[\d.]+') + m = rel_re.match(release) + if m: + release = m.group() + elif osname[:6] == "darwin": + # + # For our purposes, we'll assume that the system version from + # distutils' perspective is what MACOSX_DEPLOYMENT_TARGET is set + # to. This makes the compatibility story a bit more sane because the + # machine is going to compile and link as if it were + # MACOSX_DEPLOYMENT_TARGET. + cfgvars = get_config_vars() + macver = cfgvars.get('MACOSX_DEPLOYMENT_TARGET') + + if True: + # Always calculate the release of the running machine, + # needed to determine if we can build fat binaries or not. + + macrelease = macver + # Get the system version. Reading this plist is a documented + # way to get the system version (see the documentation for + # the Gestalt Manager) + try: + f = open('/System/Library/CoreServices/SystemVersion.plist') + except IOError: + # We're on a plain darwin box, fall back to the default + # behaviour. + pass + else: + try: + m = re.search(r'<key>ProductUserVisibleVersion</key>\s*' + r'<string>(.*?)</string>', f.read()) + finally: + f.close() + if m is not None: + macrelease = '.'.join(m.group(1).split('.')[:2]) + # else: fall back to the default behaviour + + if not macver: + macver = macrelease + + if macver: + release = macver + osname = "macosx" + + if ((macrelease + '.') >= '10.4.' and + '-arch' in get_config_vars().get('CFLAGS', '').strip()): + # The universal build will build fat binaries, but not on + # systems before 10.4 + # + # Try to detect 4-way universal builds, those have machine-type + # 'universal' instead of 'fat'. + + machine = 'fat' + cflags = get_config_vars().get('CFLAGS') + + archs = re.findall(r'-arch\s+(\S+)', cflags) + archs = tuple(sorted(set(archs))) + + if len(archs) == 1: + machine = archs[0] + elif archs == ('i386', 'ppc'): + machine = 'fat' + elif archs == ('i386', 'x86_64'): + machine = 'intel' + elif archs == ('i386', 'ppc', 'x86_64'): + machine = 'fat3' + elif archs == ('ppc64', 'x86_64'): + machine = 'fat64' + elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'): + machine = 'universal' + else: + raise ValueError( + "Don't know machine value for archs=%r" % (archs,)) + + elif machine == 'i386': + # On OSX the machine type returned by uname is always the + # 32-bit variant, even if the executable architecture is + # the 64-bit variant + if sys.maxsize >= 2**32: + machine = 'x86_64' + + elif machine in ('PowerPC', 'Power_Macintosh'): + # Pick a sane name for the PPC architecture. + # See 'i386' case + if sys.maxsize >= 2**32: + machine = 'ppc64' + else: + machine = 'ppc' + + return "%s-%s-%s" % (osname, release, machine) + + +def get_python_version(): + return _PY_VERSION_SHORT + + +def _print_dict(title, data): + for index, (key, value) in enumerate(sorted(data.items())): + if index == 0: + print('%s: ' % (title)) + print('\t%s = "%s"' % (key, value)) + + +def _main(): + """Display all information sysconfig detains.""" + print('Platform: "%s"' % get_platform()) + print('Python version: "%s"' % get_python_version()) + print('Current installation scheme: "%s"' % _get_default_scheme()) + print() + _print_dict('Paths', get_paths()) + print() + _print_dict('Variables', get_config_vars()) + + +if __name__ == '__main__': + _main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/tarfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/tarfile.py new file mode 100644 index 0000000..d66d856 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/_backport/tarfile.py @@ -0,0 +1,2607 @@ +#------------------------------------------------------------------- +# tarfile.py +#------------------------------------------------------------------- +# Copyright (C) 2002 Lars Gustaebel <lars@gustaebel.de> +# All rights reserved. +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation +# files (the "Software"), to deal in the Software without +# restriction, including without limitation the rights to use, +# copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following +# conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +from __future__ import print_function + +"""Read from and write to tar format archives. +""" + +__version__ = "$Revision$" + +version = "0.9.0" +__author__ = "Lars Gust\u00e4bel (lars@gustaebel.de)" +__date__ = "$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $" +__cvsid__ = "$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $" +__credits__ = "Gustavo Niemeyer, Niels Gust\u00e4bel, Richard Townsend." + +#--------- +# Imports +#--------- +import sys +import os +import stat +import errno +import time +import struct +import copy +import re + +try: + import grp, pwd +except ImportError: + grp = pwd = None + +# os.symlink on Windows prior to 6.0 raises NotImplementedError +symlink_exception = (AttributeError, NotImplementedError) +try: + # WindowsError (1314) will be raised if the caller does not hold the + # SeCreateSymbolicLinkPrivilege privilege + symlink_exception += (WindowsError,) +except NameError: + pass + +# from tarfile import * +__all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError"] + +if sys.version_info[0] < 3: + import __builtin__ as builtins +else: + import builtins + +_open = builtins.open # Since 'open' is TarFile.open + +#--------------------------------------------------------- +# tar constants +#--------------------------------------------------------- +NUL = b"\0" # the null character +BLOCKSIZE = 512 # length of processing blocks +RECORDSIZE = BLOCKSIZE * 20 # length of records +GNU_MAGIC = b"ustar \0" # magic gnu tar string +POSIX_MAGIC = b"ustar\x0000" # magic posix tar string + +LENGTH_NAME = 100 # maximum length of a filename +LENGTH_LINK = 100 # maximum length of a linkname +LENGTH_PREFIX = 155 # maximum length of the prefix field + +REGTYPE = b"0" # regular file +AREGTYPE = b"\0" # regular file +LNKTYPE = b"1" # link (inside tarfile) +SYMTYPE = b"2" # symbolic link +CHRTYPE = b"3" # character special device +BLKTYPE = b"4" # block special device +DIRTYPE = b"5" # directory +FIFOTYPE = b"6" # fifo special device +CONTTYPE = b"7" # contiguous file + +GNUTYPE_LONGNAME = b"L" # GNU tar longname +GNUTYPE_LONGLINK = b"K" # GNU tar longlink +GNUTYPE_SPARSE = b"S" # GNU tar sparse file + +XHDTYPE = b"x" # POSIX.1-2001 extended header +XGLTYPE = b"g" # POSIX.1-2001 global header +SOLARIS_XHDTYPE = b"X" # Solaris extended header + +USTAR_FORMAT = 0 # POSIX.1-1988 (ustar) format +GNU_FORMAT = 1 # GNU tar format +PAX_FORMAT = 2 # POSIX.1-2001 (pax) format +DEFAULT_FORMAT = GNU_FORMAT + +#--------------------------------------------------------- +# tarfile constants +#--------------------------------------------------------- +# File types that tarfile supports: +SUPPORTED_TYPES = (REGTYPE, AREGTYPE, LNKTYPE, + SYMTYPE, DIRTYPE, FIFOTYPE, + CONTTYPE, CHRTYPE, BLKTYPE, + GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, + GNUTYPE_SPARSE) + +# File types that will be treated as a regular file. +REGULAR_TYPES = (REGTYPE, AREGTYPE, + CONTTYPE, GNUTYPE_SPARSE) + +# File types that are part of the GNU tar format. +GNU_TYPES = (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, + GNUTYPE_SPARSE) + +# Fields from a pax header that override a TarInfo attribute. +PAX_FIELDS = ("path", "linkpath", "size", "mtime", + "uid", "gid", "uname", "gname") + +# Fields from a pax header that are affected by hdrcharset. +PAX_NAME_FIELDS = set(("path", "linkpath", "uname", "gname")) + +# Fields in a pax header that are numbers, all other fields +# are treated as strings. +PAX_NUMBER_FIELDS = { + "atime": float, + "ctime": float, + "mtime": float, + "uid": int, + "gid": int, + "size": int +} + +#--------------------------------------------------------- +# Bits used in the mode field, values in octal. +#--------------------------------------------------------- +S_IFLNK = 0o120000 # symbolic link +S_IFREG = 0o100000 # regular file +S_IFBLK = 0o060000 # block device +S_IFDIR = 0o040000 # directory +S_IFCHR = 0o020000 # character device +S_IFIFO = 0o010000 # fifo + +TSUID = 0o4000 # set UID on execution +TSGID = 0o2000 # set GID on execution +TSVTX = 0o1000 # reserved + +TUREAD = 0o400 # read by owner +TUWRITE = 0o200 # write by owner +TUEXEC = 0o100 # execute/search by owner +TGREAD = 0o040 # read by group +TGWRITE = 0o020 # write by group +TGEXEC = 0o010 # execute/search by group +TOREAD = 0o004 # read by other +TOWRITE = 0o002 # write by other +TOEXEC = 0o001 # execute/search by other + +#--------------------------------------------------------- +# initialization +#--------------------------------------------------------- +if os.name in ("nt", "ce"): + ENCODING = "utf-8" +else: + ENCODING = sys.getfilesystemencoding() + +#--------------------------------------------------------- +# Some useful functions +#--------------------------------------------------------- + +def stn(s, length, encoding, errors): + """Convert a string to a null-terminated bytes object. + """ + s = s.encode(encoding, errors) + return s[:length] + (length - len(s)) * NUL + +def nts(s, encoding, errors): + """Convert a null-terminated bytes object to a string. + """ + p = s.find(b"\0") + if p != -1: + s = s[:p] + return s.decode(encoding, errors) + +def nti(s): + """Convert a number field to a python number. + """ + # There are two possible encodings for a number field, see + # itn() below. + if s[0] != chr(0o200): + try: + n = int(nts(s, "ascii", "strict") or "0", 8) + except ValueError: + raise InvalidHeaderError("invalid header") + else: + n = 0 + for i in range(len(s) - 1): + n <<= 8 + n += ord(s[i + 1]) + return n + +def itn(n, digits=8, format=DEFAULT_FORMAT): + """Convert a python number to a number field. + """ + # POSIX 1003.1-1988 requires numbers to be encoded as a string of + # octal digits followed by a null-byte, this allows values up to + # (8**(digits-1))-1. GNU tar allows storing numbers greater than + # that if necessary. A leading 0o200 byte indicates this particular + # encoding, the following digits-1 bytes are a big-endian + # representation. This allows values up to (256**(digits-1))-1. + if 0 <= n < 8 ** (digits - 1): + s = ("%0*o" % (digits - 1, n)).encode("ascii") + NUL + else: + if format != GNU_FORMAT or n >= 256 ** (digits - 1): + raise ValueError("overflow in number field") + + if n < 0: + # XXX We mimic GNU tar's behaviour with negative numbers, + # this could raise OverflowError. + n = struct.unpack("L", struct.pack("l", n))[0] + + s = bytearray() + for i in range(digits - 1): + s.insert(0, n & 0o377) + n >>= 8 + s.insert(0, 0o200) + return s + +def calc_chksums(buf): + """Calculate the checksum for a member's header by summing up all + characters except for the chksum field which is treated as if + it was filled with spaces. According to the GNU tar sources, + some tars (Sun and NeXT) calculate chksum with signed char, + which will be different if there are chars in the buffer with + the high bit set. So we calculate two checksums, unsigned and + signed. + """ + unsigned_chksum = 256 + sum(struct.unpack("148B", buf[:148]) + struct.unpack("356B", buf[156:512])) + signed_chksum = 256 + sum(struct.unpack("148b", buf[:148]) + struct.unpack("356b", buf[156:512])) + return unsigned_chksum, signed_chksum + +def copyfileobj(src, dst, length=None): + """Copy length bytes from fileobj src to fileobj dst. + If length is None, copy the entire content. + """ + if length == 0: + return + if length is None: + while True: + buf = src.read(16*1024) + if not buf: + break + dst.write(buf) + return + + BUFSIZE = 16 * 1024 + blocks, remainder = divmod(length, BUFSIZE) + for b in range(blocks): + buf = src.read(BUFSIZE) + if len(buf) < BUFSIZE: + raise IOError("end of file reached") + dst.write(buf) + + if remainder != 0: + buf = src.read(remainder) + if len(buf) < remainder: + raise IOError("end of file reached") + dst.write(buf) + return + +filemode_table = ( + ((S_IFLNK, "l"), + (S_IFREG, "-"), + (S_IFBLK, "b"), + (S_IFDIR, "d"), + (S_IFCHR, "c"), + (S_IFIFO, "p")), + + ((TUREAD, "r"),), + ((TUWRITE, "w"),), + ((TUEXEC|TSUID, "s"), + (TSUID, "S"), + (TUEXEC, "x")), + + ((TGREAD, "r"),), + ((TGWRITE, "w"),), + ((TGEXEC|TSGID, "s"), + (TSGID, "S"), + (TGEXEC, "x")), + + ((TOREAD, "r"),), + ((TOWRITE, "w"),), + ((TOEXEC|TSVTX, "t"), + (TSVTX, "T"), + (TOEXEC, "x")) +) + +def filemode(mode): + """Convert a file's mode to a string of the form + -rwxrwxrwx. + Used by TarFile.list() + """ + perm = [] + for table in filemode_table: + for bit, char in table: + if mode & bit == bit: + perm.append(char) + break + else: + perm.append("-") + return "".join(perm) + +class TarError(Exception): + """Base exception.""" + pass +class ExtractError(TarError): + """General exception for extract errors.""" + pass +class ReadError(TarError): + """Exception for unreadable tar archives.""" + pass +class CompressionError(TarError): + """Exception for unavailable compression methods.""" + pass +class StreamError(TarError): + """Exception for unsupported operations on stream-like TarFiles.""" + pass +class HeaderError(TarError): + """Base exception for header errors.""" + pass +class EmptyHeaderError(HeaderError): + """Exception for empty headers.""" + pass +class TruncatedHeaderError(HeaderError): + """Exception for truncated headers.""" + pass +class EOFHeaderError(HeaderError): + """Exception for end of file headers.""" + pass +class InvalidHeaderError(HeaderError): + """Exception for invalid headers.""" + pass +class SubsequentHeaderError(HeaderError): + """Exception for missing and invalid extended headers.""" + pass + +#--------------------------- +# internal stream interface +#--------------------------- +class _LowLevelFile(object): + """Low-level file object. Supports reading and writing. + It is used instead of a regular file object for streaming + access. + """ + + def __init__(self, name, mode): + mode = { + "r": os.O_RDONLY, + "w": os.O_WRONLY | os.O_CREAT | os.O_TRUNC, + }[mode] + if hasattr(os, "O_BINARY"): + mode |= os.O_BINARY + self.fd = os.open(name, mode, 0o666) + + def close(self): + os.close(self.fd) + + def read(self, size): + return os.read(self.fd, size) + + def write(self, s): + os.write(self.fd, s) + +class _Stream(object): + """Class that serves as an adapter between TarFile and + a stream-like object. The stream-like object only + needs to have a read() or write() method and is accessed + blockwise. Use of gzip or bzip2 compression is possible. + A stream-like object could be for example: sys.stdin, + sys.stdout, a socket, a tape device etc. + + _Stream is intended to be used only internally. + """ + + def __init__(self, name, mode, comptype, fileobj, bufsize): + """Construct a _Stream object. + """ + self._extfileobj = True + if fileobj is None: + fileobj = _LowLevelFile(name, mode) + self._extfileobj = False + + if comptype == '*': + # Enable transparent compression detection for the + # stream interface + fileobj = _StreamProxy(fileobj) + comptype = fileobj.getcomptype() + + self.name = name or "" + self.mode = mode + self.comptype = comptype + self.fileobj = fileobj + self.bufsize = bufsize + self.buf = b"" + self.pos = 0 + self.closed = False + + try: + if comptype == "gz": + try: + import zlib + except ImportError: + raise CompressionError("zlib module is not available") + self.zlib = zlib + self.crc = zlib.crc32(b"") + if mode == "r": + self._init_read_gz() + else: + self._init_write_gz() + + if comptype == "bz2": + try: + import bz2 + except ImportError: + raise CompressionError("bz2 module is not available") + if mode == "r": + self.dbuf = b"" + self.cmp = bz2.BZ2Decompressor() + else: + self.cmp = bz2.BZ2Compressor() + except: + if not self._extfileobj: + self.fileobj.close() + self.closed = True + raise + + def __del__(self): + if hasattr(self, "closed") and not self.closed: + self.close() + + def _init_write_gz(self): + """Initialize for writing with gzip compression. + """ + self.cmp = self.zlib.compressobj(9, self.zlib.DEFLATED, + -self.zlib.MAX_WBITS, + self.zlib.DEF_MEM_LEVEL, + 0) + timestamp = struct.pack("<L", int(time.time())) + self.__write(b"\037\213\010\010" + timestamp + b"\002\377") + if self.name.endswith(".gz"): + self.name = self.name[:-3] + # RFC1952 says we must use ISO-8859-1 for the FNAME field. + self.__write(self.name.encode("iso-8859-1", "replace") + NUL) + + def write(self, s): + """Write string s to the stream. + """ + if self.comptype == "gz": + self.crc = self.zlib.crc32(s, self.crc) + self.pos += len(s) + if self.comptype != "tar": + s = self.cmp.compress(s) + self.__write(s) + + def __write(self, s): + """Write string s to the stream if a whole new block + is ready to be written. + """ + self.buf += s + while len(self.buf) > self.bufsize: + self.fileobj.write(self.buf[:self.bufsize]) + self.buf = self.buf[self.bufsize:] + + def close(self): + """Close the _Stream object. No operation should be + done on it afterwards. + """ + if self.closed: + return + + if self.mode == "w" and self.comptype != "tar": + self.buf += self.cmp.flush() + + if self.mode == "w" and self.buf: + self.fileobj.write(self.buf) + self.buf = b"" + if self.comptype == "gz": + # The native zlib crc is an unsigned 32-bit integer, but + # the Python wrapper implicitly casts that to a signed C + # long. So, on a 32-bit box self.crc may "look negative", + # while the same crc on a 64-bit box may "look positive". + # To avoid irksome warnings from the `struct` module, force + # it to look positive on all boxes. + self.fileobj.write(struct.pack("<L", self.crc & 0xffffffff)) + self.fileobj.write(struct.pack("<L", self.pos & 0xffffFFFF)) + + if not self._extfileobj: + self.fileobj.close() + + self.closed = True + + def _init_read_gz(self): + """Initialize for reading a gzip compressed fileobj. + """ + self.cmp = self.zlib.decompressobj(-self.zlib.MAX_WBITS) + self.dbuf = b"" + + # taken from gzip.GzipFile with some alterations + if self.__read(2) != b"\037\213": + raise ReadError("not a gzip file") + if self.__read(1) != b"\010": + raise CompressionError("unsupported compression method") + + flag = ord(self.__read(1)) + self.__read(6) + + if flag & 4: + xlen = ord(self.__read(1)) + 256 * ord(self.__read(1)) + self.read(xlen) + if flag & 8: + while True: + s = self.__read(1) + if not s or s == NUL: + break + if flag & 16: + while True: + s = self.__read(1) + if not s or s == NUL: + break + if flag & 2: + self.__read(2) + + def tell(self): + """Return the stream's file pointer position. + """ + return self.pos + + def seek(self, pos=0): + """Set the stream's file pointer to pos. Negative seeking + is forbidden. + """ + if pos - self.pos >= 0: + blocks, remainder = divmod(pos - self.pos, self.bufsize) + for i in range(blocks): + self.read(self.bufsize) + self.read(remainder) + else: + raise StreamError("seeking backwards is not allowed") + return self.pos + + def read(self, size=None): + """Return the next size number of bytes from the stream. + If size is not defined, return all bytes of the stream + up to EOF. + """ + if size is None: + t = [] + while True: + buf = self._read(self.bufsize) + if not buf: + break + t.append(buf) + buf = "".join(t) + else: + buf = self._read(size) + self.pos += len(buf) + return buf + + def _read(self, size): + """Return size bytes from the stream. + """ + if self.comptype == "tar": + return self.__read(size) + + c = len(self.dbuf) + while c < size: + buf = self.__read(self.bufsize) + if not buf: + break + try: + buf = self.cmp.decompress(buf) + except IOError: + raise ReadError("invalid compressed data") + self.dbuf += buf + c += len(buf) + buf = self.dbuf[:size] + self.dbuf = self.dbuf[size:] + return buf + + def __read(self, size): + """Return size bytes from stream. If internal buffer is empty, + read another block from the stream. + """ + c = len(self.buf) + while c < size: + buf = self.fileobj.read(self.bufsize) + if not buf: + break + self.buf += buf + c += len(buf) + buf = self.buf[:size] + self.buf = self.buf[size:] + return buf +# class _Stream + +class _StreamProxy(object): + """Small proxy class that enables transparent compression + detection for the Stream interface (mode 'r|*'). + """ + + def __init__(self, fileobj): + self.fileobj = fileobj + self.buf = self.fileobj.read(BLOCKSIZE) + + def read(self, size): + self.read = self.fileobj.read + return self.buf + + def getcomptype(self): + if self.buf.startswith(b"\037\213\010"): + return "gz" + if self.buf.startswith(b"BZh91"): + return "bz2" + return "tar" + + def close(self): + self.fileobj.close() +# class StreamProxy + +class _BZ2Proxy(object): + """Small proxy class that enables external file object + support for "r:bz2" and "w:bz2" modes. This is actually + a workaround for a limitation in bz2 module's BZ2File + class which (unlike gzip.GzipFile) has no support for + a file object argument. + """ + + blocksize = 16 * 1024 + + def __init__(self, fileobj, mode): + self.fileobj = fileobj + self.mode = mode + self.name = getattr(self.fileobj, "name", None) + self.init() + + def init(self): + import bz2 + self.pos = 0 + if self.mode == "r": + self.bz2obj = bz2.BZ2Decompressor() + self.fileobj.seek(0) + self.buf = b"" + else: + self.bz2obj = bz2.BZ2Compressor() + + def read(self, size): + x = len(self.buf) + while x < size: + raw = self.fileobj.read(self.blocksize) + if not raw: + break + data = self.bz2obj.decompress(raw) + self.buf += data + x += len(data) + + buf = self.buf[:size] + self.buf = self.buf[size:] + self.pos += len(buf) + return buf + + def seek(self, pos): + if pos < self.pos: + self.init() + self.read(pos - self.pos) + + def tell(self): + return self.pos + + def write(self, data): + self.pos += len(data) + raw = self.bz2obj.compress(data) + self.fileobj.write(raw) + + def close(self): + if self.mode == "w": + raw = self.bz2obj.flush() + self.fileobj.write(raw) +# class _BZ2Proxy + +#------------------------ +# Extraction file object +#------------------------ +class _FileInFile(object): + """A thin wrapper around an existing file object that + provides a part of its data as an individual file + object. + """ + + def __init__(self, fileobj, offset, size, blockinfo=None): + self.fileobj = fileobj + self.offset = offset + self.size = size + self.position = 0 + + if blockinfo is None: + blockinfo = [(0, size)] + + # Construct a map with data and zero blocks. + self.map_index = 0 + self.map = [] + lastpos = 0 + realpos = self.offset + for offset, size in blockinfo: + if offset > lastpos: + self.map.append((False, lastpos, offset, None)) + self.map.append((True, offset, offset + size, realpos)) + realpos += size + lastpos = offset + size + if lastpos < self.size: + self.map.append((False, lastpos, self.size, None)) + + def seekable(self): + if not hasattr(self.fileobj, "seekable"): + # XXX gzip.GzipFile and bz2.BZ2File + return True + return self.fileobj.seekable() + + def tell(self): + """Return the current file position. + """ + return self.position + + def seek(self, position): + """Seek to a position in the file. + """ + self.position = position + + def read(self, size=None): + """Read data from the file. + """ + if size is None: + size = self.size - self.position + else: + size = min(size, self.size - self.position) + + buf = b"" + while size > 0: + while True: + data, start, stop, offset = self.map[self.map_index] + if start <= self.position < stop: + break + else: + self.map_index += 1 + if self.map_index == len(self.map): + self.map_index = 0 + length = min(size, stop - self.position) + if data: + self.fileobj.seek(offset + (self.position - start)) + buf += self.fileobj.read(length) + else: + buf += NUL * length + size -= length + self.position += length + return buf +#class _FileInFile + + +class ExFileObject(object): + """File-like object for reading an archive member. + Is returned by TarFile.extractfile(). + """ + blocksize = 1024 + + def __init__(self, tarfile, tarinfo): + self.fileobj = _FileInFile(tarfile.fileobj, + tarinfo.offset_data, + tarinfo.size, + tarinfo.sparse) + self.name = tarinfo.name + self.mode = "r" + self.closed = False + self.size = tarinfo.size + + self.position = 0 + self.buffer = b"" + + def readable(self): + return True + + def writable(self): + return False + + def seekable(self): + return self.fileobj.seekable() + + def read(self, size=None): + """Read at most size bytes from the file. If size is not + present or None, read all data until EOF is reached. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + buf = b"" + if self.buffer: + if size is None: + buf = self.buffer + self.buffer = b"" + else: + buf = self.buffer[:size] + self.buffer = self.buffer[size:] + + if size is None: + buf += self.fileobj.read() + else: + buf += self.fileobj.read(size - len(buf)) + + self.position += len(buf) + return buf + + # XXX TextIOWrapper uses the read1() method. + read1 = read + + def readline(self, size=-1): + """Read one entire line from the file. If size is present + and non-negative, return a string with at most that + size, which may be an incomplete line. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + pos = self.buffer.find(b"\n") + 1 + if pos == 0: + # no newline found. + while True: + buf = self.fileobj.read(self.blocksize) + self.buffer += buf + if not buf or b"\n" in buf: + pos = self.buffer.find(b"\n") + 1 + if pos == 0: + # no newline found. + pos = len(self.buffer) + break + + if size != -1: + pos = min(size, pos) + + buf = self.buffer[:pos] + self.buffer = self.buffer[pos:] + self.position += len(buf) + return buf + + def readlines(self): + """Return a list with all remaining lines. + """ + result = [] + while True: + line = self.readline() + if not line: break + result.append(line) + return result + + def tell(self): + """Return the current file position. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + return self.position + + def seek(self, pos, whence=os.SEEK_SET): + """Seek to a position in the file. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + if whence == os.SEEK_SET: + self.position = min(max(pos, 0), self.size) + elif whence == os.SEEK_CUR: + if pos < 0: + self.position = max(self.position + pos, 0) + else: + self.position = min(self.position + pos, self.size) + elif whence == os.SEEK_END: + self.position = max(min(self.size + pos, self.size), 0) + else: + raise ValueError("Invalid argument") + + self.buffer = b"" + self.fileobj.seek(self.position) + + def close(self): + """Close the file object. + """ + self.closed = True + + def __iter__(self): + """Get an iterator over the file's lines. + """ + while True: + line = self.readline() + if not line: + break + yield line +#class ExFileObject + +#------------------ +# Exported Classes +#------------------ +class TarInfo(object): + """Informational class which holds the details about an + archive member given by a tar header block. + TarInfo objects are returned by TarFile.getmember(), + TarFile.getmembers() and TarFile.gettarinfo() and are + usually created internally. + """ + + __slots__ = ("name", "mode", "uid", "gid", "size", "mtime", + "chksum", "type", "linkname", "uname", "gname", + "devmajor", "devminor", + "offset", "offset_data", "pax_headers", "sparse", + "tarfile", "_sparse_structs", "_link_target") + + def __init__(self, name=""): + """Construct a TarInfo object. name is the optional name + of the member. + """ + self.name = name # member name + self.mode = 0o644 # file permissions + self.uid = 0 # user id + self.gid = 0 # group id + self.size = 0 # file size + self.mtime = 0 # modification time + self.chksum = 0 # header checksum + self.type = REGTYPE # member type + self.linkname = "" # link name + self.uname = "" # user name + self.gname = "" # group name + self.devmajor = 0 # device major number + self.devminor = 0 # device minor number + + self.offset = 0 # the tar header starts here + self.offset_data = 0 # the file's data starts here + + self.sparse = None # sparse member information + self.pax_headers = {} # pax header information + + # In pax headers the "name" and "linkname" field are called + # "path" and "linkpath". + def _getpath(self): + return self.name + def _setpath(self, name): + self.name = name + path = property(_getpath, _setpath) + + def _getlinkpath(self): + return self.linkname + def _setlinkpath(self, linkname): + self.linkname = linkname + linkpath = property(_getlinkpath, _setlinkpath) + + def __repr__(self): + return "<%s %r at %#x>" % (self.__class__.__name__,self.name,id(self)) + + def get_info(self): + """Return the TarInfo's attributes as a dictionary. + """ + info = { + "name": self.name, + "mode": self.mode & 0o7777, + "uid": self.uid, + "gid": self.gid, + "size": self.size, + "mtime": self.mtime, + "chksum": self.chksum, + "type": self.type, + "linkname": self.linkname, + "uname": self.uname, + "gname": self.gname, + "devmajor": self.devmajor, + "devminor": self.devminor + } + + if info["type"] == DIRTYPE and not info["name"].endswith("/"): + info["name"] += "/" + + return info + + def tobuf(self, format=DEFAULT_FORMAT, encoding=ENCODING, errors="surrogateescape"): + """Return a tar header as a string of 512 byte blocks. + """ + info = self.get_info() + + if format == USTAR_FORMAT: + return self.create_ustar_header(info, encoding, errors) + elif format == GNU_FORMAT: + return self.create_gnu_header(info, encoding, errors) + elif format == PAX_FORMAT: + return self.create_pax_header(info, encoding) + else: + raise ValueError("invalid format") + + def create_ustar_header(self, info, encoding, errors): + """Return the object as a ustar header block. + """ + info["magic"] = POSIX_MAGIC + + if len(info["linkname"]) > LENGTH_LINK: + raise ValueError("linkname is too long") + + if len(info["name"]) > LENGTH_NAME: + info["prefix"], info["name"] = self._posix_split_name(info["name"]) + + return self._create_header(info, USTAR_FORMAT, encoding, errors) + + def create_gnu_header(self, info, encoding, errors): + """Return the object as a GNU header block sequence. + """ + info["magic"] = GNU_MAGIC + + buf = b"" + if len(info["linkname"]) > LENGTH_LINK: + buf += self._create_gnu_long_header(info["linkname"], GNUTYPE_LONGLINK, encoding, errors) + + if len(info["name"]) > LENGTH_NAME: + buf += self._create_gnu_long_header(info["name"], GNUTYPE_LONGNAME, encoding, errors) + + return buf + self._create_header(info, GNU_FORMAT, encoding, errors) + + def create_pax_header(self, info, encoding): + """Return the object as a ustar header block. If it cannot be + represented this way, prepend a pax extended header sequence + with supplement information. + """ + info["magic"] = POSIX_MAGIC + pax_headers = self.pax_headers.copy() + + # Test string fields for values that exceed the field length or cannot + # be represented in ASCII encoding. + for name, hname, length in ( + ("name", "path", LENGTH_NAME), ("linkname", "linkpath", LENGTH_LINK), + ("uname", "uname", 32), ("gname", "gname", 32)): + + if hname in pax_headers: + # The pax header has priority. + continue + + # Try to encode the string as ASCII. + try: + info[name].encode("ascii", "strict") + except UnicodeEncodeError: + pax_headers[hname] = info[name] + continue + + if len(info[name]) > length: + pax_headers[hname] = info[name] + + # Test number fields for values that exceed the field limit or values + # that like to be stored as float. + for name, digits in (("uid", 8), ("gid", 8), ("size", 12), ("mtime", 12)): + if name in pax_headers: + # The pax header has priority. Avoid overflow. + info[name] = 0 + continue + + val = info[name] + if not 0 <= val < 8 ** (digits - 1) or isinstance(val, float): + pax_headers[name] = str(val) + info[name] = 0 + + # Create a pax extended header if necessary. + if pax_headers: + buf = self._create_pax_generic_header(pax_headers, XHDTYPE, encoding) + else: + buf = b"" + + return buf + self._create_header(info, USTAR_FORMAT, "ascii", "replace") + + @classmethod + def create_pax_global_header(cls, pax_headers): + """Return the object as a pax global header block sequence. + """ + return cls._create_pax_generic_header(pax_headers, XGLTYPE, "utf8") + + def _posix_split_name(self, name): + """Split a name longer than 100 chars into a prefix + and a name part. + """ + prefix = name[:LENGTH_PREFIX + 1] + while prefix and prefix[-1] != "/": + prefix = prefix[:-1] + + name = name[len(prefix):] + prefix = prefix[:-1] + + if not prefix or len(name) > LENGTH_NAME: + raise ValueError("name is too long") + return prefix, name + + @staticmethod + def _create_header(info, format, encoding, errors): + """Return a header block. info is a dictionary with file + information, format must be one of the *_FORMAT constants. + """ + parts = [ + stn(info.get("name", ""), 100, encoding, errors), + itn(info.get("mode", 0) & 0o7777, 8, format), + itn(info.get("uid", 0), 8, format), + itn(info.get("gid", 0), 8, format), + itn(info.get("size", 0), 12, format), + itn(info.get("mtime", 0), 12, format), + b" ", # checksum field + info.get("type", REGTYPE), + stn(info.get("linkname", ""), 100, encoding, errors), + info.get("magic", POSIX_MAGIC), + stn(info.get("uname", ""), 32, encoding, errors), + stn(info.get("gname", ""), 32, encoding, errors), + itn(info.get("devmajor", 0), 8, format), + itn(info.get("devminor", 0), 8, format), + stn(info.get("prefix", ""), 155, encoding, errors) + ] + + buf = struct.pack("%ds" % BLOCKSIZE, b"".join(parts)) + chksum = calc_chksums(buf[-BLOCKSIZE:])[0] + buf = buf[:-364] + ("%06o\0" % chksum).encode("ascii") + buf[-357:] + return buf + + @staticmethod + def _create_payload(payload): + """Return the string payload filled with zero bytes + up to the next 512 byte border. + """ + blocks, remainder = divmod(len(payload), BLOCKSIZE) + if remainder > 0: + payload += (BLOCKSIZE - remainder) * NUL + return payload + + @classmethod + def _create_gnu_long_header(cls, name, type, encoding, errors): + """Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence + for name. + """ + name = name.encode(encoding, errors) + NUL + + info = {} + info["name"] = "././@LongLink" + info["type"] = type + info["size"] = len(name) + info["magic"] = GNU_MAGIC + + # create extended header + name blocks. + return cls._create_header(info, USTAR_FORMAT, encoding, errors) + \ + cls._create_payload(name) + + @classmethod + def _create_pax_generic_header(cls, pax_headers, type, encoding): + """Return a POSIX.1-2008 extended or global header sequence + that contains a list of keyword, value pairs. The values + must be strings. + """ + # Check if one of the fields contains surrogate characters and thereby + # forces hdrcharset=BINARY, see _proc_pax() for more information. + binary = False + for keyword, value in pax_headers.items(): + try: + value.encode("utf8", "strict") + except UnicodeEncodeError: + binary = True + break + + records = b"" + if binary: + # Put the hdrcharset field at the beginning of the header. + records += b"21 hdrcharset=BINARY\n" + + for keyword, value in pax_headers.items(): + keyword = keyword.encode("utf8") + if binary: + # Try to restore the original byte representation of `value'. + # Needless to say, that the encoding must match the string. + value = value.encode(encoding, "surrogateescape") + else: + value = value.encode("utf8") + + l = len(keyword) + len(value) + 3 # ' ' + '=' + '\n' + n = p = 0 + while True: + n = l + len(str(p)) + if n == p: + break + p = n + records += bytes(str(p), "ascii") + b" " + keyword + b"=" + value + b"\n" + + # We use a hardcoded "././@PaxHeader" name like star does + # instead of the one that POSIX recommends. + info = {} + info["name"] = "././@PaxHeader" + info["type"] = type + info["size"] = len(records) + info["magic"] = POSIX_MAGIC + + # Create pax header + record blocks. + return cls._create_header(info, USTAR_FORMAT, "ascii", "replace") + \ + cls._create_payload(records) + + @classmethod + def frombuf(cls, buf, encoding, errors): + """Construct a TarInfo object from a 512 byte bytes object. + """ + if len(buf) == 0: + raise EmptyHeaderError("empty header") + if len(buf) != BLOCKSIZE: + raise TruncatedHeaderError("truncated header") + if buf.count(NUL) == BLOCKSIZE: + raise EOFHeaderError("end of file header") + + chksum = nti(buf[148:156]) + if chksum not in calc_chksums(buf): + raise InvalidHeaderError("bad checksum") + + obj = cls() + obj.name = nts(buf[0:100], encoding, errors) + obj.mode = nti(buf[100:108]) + obj.uid = nti(buf[108:116]) + obj.gid = nti(buf[116:124]) + obj.size = nti(buf[124:136]) + obj.mtime = nti(buf[136:148]) + obj.chksum = chksum + obj.type = buf[156:157] + obj.linkname = nts(buf[157:257], encoding, errors) + obj.uname = nts(buf[265:297], encoding, errors) + obj.gname = nts(buf[297:329], encoding, errors) + obj.devmajor = nti(buf[329:337]) + obj.devminor = nti(buf[337:345]) + prefix = nts(buf[345:500], encoding, errors) + + # Old V7 tar format represents a directory as a regular + # file with a trailing slash. + if obj.type == AREGTYPE and obj.name.endswith("/"): + obj.type = DIRTYPE + + # The old GNU sparse format occupies some of the unused + # space in the buffer for up to 4 sparse structures. + # Save the them for later processing in _proc_sparse(). + if obj.type == GNUTYPE_SPARSE: + pos = 386 + structs = [] + for i in range(4): + try: + offset = nti(buf[pos:pos + 12]) + numbytes = nti(buf[pos + 12:pos + 24]) + except ValueError: + break + structs.append((offset, numbytes)) + pos += 24 + isextended = bool(buf[482]) + origsize = nti(buf[483:495]) + obj._sparse_structs = (structs, isextended, origsize) + + # Remove redundant slashes from directories. + if obj.isdir(): + obj.name = obj.name.rstrip("/") + + # Reconstruct a ustar longname. + if prefix and obj.type not in GNU_TYPES: + obj.name = prefix + "/" + obj.name + return obj + + @classmethod + def fromtarfile(cls, tarfile): + """Return the next TarInfo object from TarFile object + tarfile. + """ + buf = tarfile.fileobj.read(BLOCKSIZE) + obj = cls.frombuf(buf, tarfile.encoding, tarfile.errors) + obj.offset = tarfile.fileobj.tell() - BLOCKSIZE + return obj._proc_member(tarfile) + + #-------------------------------------------------------------------------- + # The following are methods that are called depending on the type of a + # member. The entry point is _proc_member() which can be overridden in a + # subclass to add custom _proc_*() methods. A _proc_*() method MUST + # implement the following + # operations: + # 1. Set self.offset_data to the position where the data blocks begin, + # if there is data that follows. + # 2. Set tarfile.offset to the position where the next member's header will + # begin. + # 3. Return self or another valid TarInfo object. + def _proc_member(self, tarfile): + """Choose the right processing method depending on + the type and call it. + """ + if self.type in (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK): + return self._proc_gnulong(tarfile) + elif self.type == GNUTYPE_SPARSE: + return self._proc_sparse(tarfile) + elif self.type in (XHDTYPE, XGLTYPE, SOLARIS_XHDTYPE): + return self._proc_pax(tarfile) + else: + return self._proc_builtin(tarfile) + + def _proc_builtin(self, tarfile): + """Process a builtin type or an unknown type which + will be treated as a regular file. + """ + self.offset_data = tarfile.fileobj.tell() + offset = self.offset_data + if self.isreg() or self.type not in SUPPORTED_TYPES: + # Skip the following data blocks. + offset += self._block(self.size) + tarfile.offset = offset + + # Patch the TarInfo object with saved global + # header information. + self._apply_pax_info(tarfile.pax_headers, tarfile.encoding, tarfile.errors) + + return self + + def _proc_gnulong(self, tarfile): + """Process the blocks that hold a GNU longname + or longlink member. + """ + buf = tarfile.fileobj.read(self._block(self.size)) + + # Fetch the next header and process it. + try: + next = self.fromtarfile(tarfile) + except HeaderError: + raise SubsequentHeaderError("missing or bad subsequent header") + + # Patch the TarInfo object from the next header with + # the longname information. + next.offset = self.offset + if self.type == GNUTYPE_LONGNAME: + next.name = nts(buf, tarfile.encoding, tarfile.errors) + elif self.type == GNUTYPE_LONGLINK: + next.linkname = nts(buf, tarfile.encoding, tarfile.errors) + + return next + + def _proc_sparse(self, tarfile): + """Process a GNU sparse header plus extra headers. + """ + # We already collected some sparse structures in frombuf(). + structs, isextended, origsize = self._sparse_structs + del self._sparse_structs + + # Collect sparse structures from extended header blocks. + while isextended: + buf = tarfile.fileobj.read(BLOCKSIZE) + pos = 0 + for i in range(21): + try: + offset = nti(buf[pos:pos + 12]) + numbytes = nti(buf[pos + 12:pos + 24]) + except ValueError: + break + if offset and numbytes: + structs.append((offset, numbytes)) + pos += 24 + isextended = bool(buf[504]) + self.sparse = structs + + self.offset_data = tarfile.fileobj.tell() + tarfile.offset = self.offset_data + self._block(self.size) + self.size = origsize + return self + + def _proc_pax(self, tarfile): + """Process an extended or global header as described in + POSIX.1-2008. + """ + # Read the header information. + buf = tarfile.fileobj.read(self._block(self.size)) + + # A pax header stores supplemental information for either + # the following file (extended) or all following files + # (global). + if self.type == XGLTYPE: + pax_headers = tarfile.pax_headers + else: + pax_headers = tarfile.pax_headers.copy() + + # Check if the pax header contains a hdrcharset field. This tells us + # the encoding of the path, linkpath, uname and gname fields. Normally, + # these fields are UTF-8 encoded but since POSIX.1-2008 tar + # implementations are allowed to store them as raw binary strings if + # the translation to UTF-8 fails. + match = re.search(br"\d+ hdrcharset=([^\n]+)\n", buf) + if match is not None: + pax_headers["hdrcharset"] = match.group(1).decode("utf8") + + # For the time being, we don't care about anything other than "BINARY". + # The only other value that is currently allowed by the standard is + # "ISO-IR 10646 2000 UTF-8" in other words UTF-8. + hdrcharset = pax_headers.get("hdrcharset") + if hdrcharset == "BINARY": + encoding = tarfile.encoding + else: + encoding = "utf8" + + # Parse pax header information. A record looks like that: + # "%d %s=%s\n" % (length, keyword, value). length is the size + # of the complete record including the length field itself and + # the newline. keyword and value are both UTF-8 encoded strings. + regex = re.compile(br"(\d+) ([^=]+)=") + pos = 0 + while True: + match = regex.match(buf, pos) + if not match: + break + + length, keyword = match.groups() + length = int(length) + value = buf[match.end(2) + 1:match.start(1) + length - 1] + + # Normally, we could just use "utf8" as the encoding and "strict" + # as the error handler, but we better not take the risk. For + # example, GNU tar <= 1.23 is known to store filenames it cannot + # translate to UTF-8 as raw strings (unfortunately without a + # hdrcharset=BINARY header). + # We first try the strict standard encoding, and if that fails we + # fall back on the user's encoding and error handler. + keyword = self._decode_pax_field(keyword, "utf8", "utf8", + tarfile.errors) + if keyword in PAX_NAME_FIELDS: + value = self._decode_pax_field(value, encoding, tarfile.encoding, + tarfile.errors) + else: + value = self._decode_pax_field(value, "utf8", "utf8", + tarfile.errors) + + pax_headers[keyword] = value + pos += length + + # Fetch the next header. + try: + next = self.fromtarfile(tarfile) + except HeaderError: + raise SubsequentHeaderError("missing or bad subsequent header") + + # Process GNU sparse information. + if "GNU.sparse.map" in pax_headers: + # GNU extended sparse format version 0.1. + self._proc_gnusparse_01(next, pax_headers) + + elif "GNU.sparse.size" in pax_headers: + # GNU extended sparse format version 0.0. + self._proc_gnusparse_00(next, pax_headers, buf) + + elif pax_headers.get("GNU.sparse.major") == "1" and pax_headers.get("GNU.sparse.minor") == "0": + # GNU extended sparse format version 1.0. + self._proc_gnusparse_10(next, pax_headers, tarfile) + + if self.type in (XHDTYPE, SOLARIS_XHDTYPE): + # Patch the TarInfo object with the extended header info. + next._apply_pax_info(pax_headers, tarfile.encoding, tarfile.errors) + next.offset = self.offset + + if "size" in pax_headers: + # If the extended header replaces the size field, + # we need to recalculate the offset where the next + # header starts. + offset = next.offset_data + if next.isreg() or next.type not in SUPPORTED_TYPES: + offset += next._block(next.size) + tarfile.offset = offset + + return next + + def _proc_gnusparse_00(self, next, pax_headers, buf): + """Process a GNU tar extended sparse header, version 0.0. + """ + offsets = [] + for match in re.finditer(br"\d+ GNU.sparse.offset=(\d+)\n", buf): + offsets.append(int(match.group(1))) + numbytes = [] + for match in re.finditer(br"\d+ GNU.sparse.numbytes=(\d+)\n", buf): + numbytes.append(int(match.group(1))) + next.sparse = list(zip(offsets, numbytes)) + + def _proc_gnusparse_01(self, next, pax_headers): + """Process a GNU tar extended sparse header, version 0.1. + """ + sparse = [int(x) for x in pax_headers["GNU.sparse.map"].split(",")] + next.sparse = list(zip(sparse[::2], sparse[1::2])) + + def _proc_gnusparse_10(self, next, pax_headers, tarfile): + """Process a GNU tar extended sparse header, version 1.0. + """ + fields = None + sparse = [] + buf = tarfile.fileobj.read(BLOCKSIZE) + fields, buf = buf.split(b"\n", 1) + fields = int(fields) + while len(sparse) < fields * 2: + if b"\n" not in buf: + buf += tarfile.fileobj.read(BLOCKSIZE) + number, buf = buf.split(b"\n", 1) + sparse.append(int(number)) + next.offset_data = tarfile.fileobj.tell() + next.sparse = list(zip(sparse[::2], sparse[1::2])) + + def _apply_pax_info(self, pax_headers, encoding, errors): + """Replace fields with supplemental information from a previous + pax extended or global header. + """ + for keyword, value in pax_headers.items(): + if keyword == "GNU.sparse.name": + setattr(self, "path", value) + elif keyword == "GNU.sparse.size": + setattr(self, "size", int(value)) + elif keyword == "GNU.sparse.realsize": + setattr(self, "size", int(value)) + elif keyword in PAX_FIELDS: + if keyword in PAX_NUMBER_FIELDS: + try: + value = PAX_NUMBER_FIELDS[keyword](value) + except ValueError: + value = 0 + if keyword == "path": + value = value.rstrip("/") + setattr(self, keyword, value) + + self.pax_headers = pax_headers.copy() + + def _decode_pax_field(self, value, encoding, fallback_encoding, fallback_errors): + """Decode a single field from a pax record. + """ + try: + return value.decode(encoding, "strict") + except UnicodeDecodeError: + return value.decode(fallback_encoding, fallback_errors) + + def _block(self, count): + """Round up a byte count by BLOCKSIZE and return it, + e.g. _block(834) => 1024. + """ + blocks, remainder = divmod(count, BLOCKSIZE) + if remainder: + blocks += 1 + return blocks * BLOCKSIZE + + def isreg(self): + return self.type in REGULAR_TYPES + def isfile(self): + return self.isreg() + def isdir(self): + return self.type == DIRTYPE + def issym(self): + return self.type == SYMTYPE + def islnk(self): + return self.type == LNKTYPE + def ischr(self): + return self.type == CHRTYPE + def isblk(self): + return self.type == BLKTYPE + def isfifo(self): + return self.type == FIFOTYPE + def issparse(self): + return self.sparse is not None + def isdev(self): + return self.type in (CHRTYPE, BLKTYPE, FIFOTYPE) +# class TarInfo + +class TarFile(object): + """The TarFile Class provides an interface to tar archives. + """ + + debug = 0 # May be set from 0 (no msgs) to 3 (all msgs) + + dereference = False # If true, add content of linked file to the + # tar file, else the link. + + ignore_zeros = False # If true, skips empty or invalid blocks and + # continues processing. + + errorlevel = 1 # If 0, fatal errors only appear in debug + # messages (if debug >= 0). If > 0, errors + # are passed to the caller as exceptions. + + format = DEFAULT_FORMAT # The format to use when creating an archive. + + encoding = ENCODING # Encoding for 8-bit character strings. + + errors = None # Error handler for unicode conversion. + + tarinfo = TarInfo # The default TarInfo class to use. + + fileobject = ExFileObject # The default ExFileObject class to use. + + def __init__(self, name=None, mode="r", fileobj=None, format=None, + tarinfo=None, dereference=None, ignore_zeros=None, encoding=None, + errors="surrogateescape", pax_headers=None, debug=None, errorlevel=None): + """Open an (uncompressed) tar archive `name'. `mode' is either 'r' to + read from an existing archive, 'a' to append data to an existing + file or 'w' to create a new file overwriting an existing one. `mode' + defaults to 'r'. + If `fileobj' is given, it is used for reading or writing data. If it + can be determined, `mode' is overridden by `fileobj's mode. + `fileobj' is not closed, when TarFile is closed. + """ + if len(mode) > 1 or mode not in "raw": + raise ValueError("mode must be 'r', 'a' or 'w'") + self.mode = mode + self._mode = {"r": "rb", "a": "r+b", "w": "wb"}[mode] + + if not fileobj: + if self.mode == "a" and not os.path.exists(name): + # Create nonexistent files in append mode. + self.mode = "w" + self._mode = "wb" + fileobj = bltn_open(name, self._mode) + self._extfileobj = False + else: + if name is None and hasattr(fileobj, "name"): + name = fileobj.name + if hasattr(fileobj, "mode"): + self._mode = fileobj.mode + self._extfileobj = True + self.name = os.path.abspath(name) if name else None + self.fileobj = fileobj + + # Init attributes. + if format is not None: + self.format = format + if tarinfo is not None: + self.tarinfo = tarinfo + if dereference is not None: + self.dereference = dereference + if ignore_zeros is not None: + self.ignore_zeros = ignore_zeros + if encoding is not None: + self.encoding = encoding + self.errors = errors + + if pax_headers is not None and self.format == PAX_FORMAT: + self.pax_headers = pax_headers + else: + self.pax_headers = {} + + if debug is not None: + self.debug = debug + if errorlevel is not None: + self.errorlevel = errorlevel + + # Init datastructures. + self.closed = False + self.members = [] # list of members as TarInfo objects + self._loaded = False # flag if all members have been read + self.offset = self.fileobj.tell() + # current position in the archive file + self.inodes = {} # dictionary caching the inodes of + # archive members already added + + try: + if self.mode == "r": + self.firstmember = None + self.firstmember = self.next() + + if self.mode == "a": + # Move to the end of the archive, + # before the first empty block. + while True: + self.fileobj.seek(self.offset) + try: + tarinfo = self.tarinfo.fromtarfile(self) + self.members.append(tarinfo) + except EOFHeaderError: + self.fileobj.seek(self.offset) + break + except HeaderError as e: + raise ReadError(str(e)) + + if self.mode in "aw": + self._loaded = True + + if self.pax_headers: + buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy()) + self.fileobj.write(buf) + self.offset += len(buf) + except: + if not self._extfileobj: + self.fileobj.close() + self.closed = True + raise + + #-------------------------------------------------------------------------- + # Below are the classmethods which act as alternate constructors to the + # TarFile class. The open() method is the only one that is needed for + # public use; it is the "super"-constructor and is able to select an + # adequate "sub"-constructor for a particular compression using the mapping + # from OPEN_METH. + # + # This concept allows one to subclass TarFile without losing the comfort of + # the super-constructor. A sub-constructor is registered and made available + # by adding it to the mapping in OPEN_METH. + + @classmethod + def open(cls, name=None, mode="r", fileobj=None, bufsize=RECORDSIZE, **kwargs): + """Open a tar archive for reading, writing or appending. Return + an appropriate TarFile class. + + mode: + 'r' or 'r:*' open for reading with transparent compression + 'r:' open for reading exclusively uncompressed + 'r:gz' open for reading with gzip compression + 'r:bz2' open for reading with bzip2 compression + 'a' or 'a:' open for appending, creating the file if necessary + 'w' or 'w:' open for writing without compression + 'w:gz' open for writing with gzip compression + 'w:bz2' open for writing with bzip2 compression + + 'r|*' open a stream of tar blocks with transparent compression + 'r|' open an uncompressed stream of tar blocks for reading + 'r|gz' open a gzip compressed stream of tar blocks + 'r|bz2' open a bzip2 compressed stream of tar blocks + 'w|' open an uncompressed stream for writing + 'w|gz' open a gzip compressed stream for writing + 'w|bz2' open a bzip2 compressed stream for writing + """ + + if not name and not fileobj: + raise ValueError("nothing to open") + + if mode in ("r", "r:*"): + # Find out which *open() is appropriate for opening the file. + for comptype in cls.OPEN_METH: + func = getattr(cls, cls.OPEN_METH[comptype]) + if fileobj is not None: + saved_pos = fileobj.tell() + try: + return func(name, "r", fileobj, **kwargs) + except (ReadError, CompressionError) as e: + if fileobj is not None: + fileobj.seek(saved_pos) + continue + raise ReadError("file could not be opened successfully") + + elif ":" in mode: + filemode, comptype = mode.split(":", 1) + filemode = filemode or "r" + comptype = comptype or "tar" + + # Select the *open() function according to + # given compression. + if comptype in cls.OPEN_METH: + func = getattr(cls, cls.OPEN_METH[comptype]) + else: + raise CompressionError("unknown compression type %r" % comptype) + return func(name, filemode, fileobj, **kwargs) + + elif "|" in mode: + filemode, comptype = mode.split("|", 1) + filemode = filemode or "r" + comptype = comptype or "tar" + + if filemode not in "rw": + raise ValueError("mode must be 'r' or 'w'") + + stream = _Stream(name, filemode, comptype, fileobj, bufsize) + try: + t = cls(name, filemode, stream, **kwargs) + except: + stream.close() + raise + t._extfileobj = False + return t + + elif mode in "aw": + return cls.taropen(name, mode, fileobj, **kwargs) + + raise ValueError("undiscernible mode") + + @classmethod + def taropen(cls, name, mode="r", fileobj=None, **kwargs): + """Open uncompressed tar archive name for reading or writing. + """ + if len(mode) > 1 or mode not in "raw": + raise ValueError("mode must be 'r', 'a' or 'w'") + return cls(name, mode, fileobj, **kwargs) + + @classmethod + def gzopen(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): + """Open gzip compressed tar archive name for reading or writing. + Appending is not allowed. + """ + if len(mode) > 1 or mode not in "rw": + raise ValueError("mode must be 'r' or 'w'") + + try: + import gzip + gzip.GzipFile + except (ImportError, AttributeError): + raise CompressionError("gzip module is not available") + + extfileobj = fileobj is not None + try: + fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj) + t = cls.taropen(name, mode, fileobj, **kwargs) + except IOError: + if not extfileobj and fileobj is not None: + fileobj.close() + if fileobj is None: + raise + raise ReadError("not a gzip file") + except: + if not extfileobj and fileobj is not None: + fileobj.close() + raise + t._extfileobj = extfileobj + return t + + @classmethod + def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): + """Open bzip2 compressed tar archive name for reading or writing. + Appending is not allowed. + """ + if len(mode) > 1 or mode not in "rw": + raise ValueError("mode must be 'r' or 'w'.") + + try: + import bz2 + except ImportError: + raise CompressionError("bz2 module is not available") + + if fileobj is not None: + fileobj = _BZ2Proxy(fileobj, mode) + else: + fileobj = bz2.BZ2File(name, mode, compresslevel=compresslevel) + + try: + t = cls.taropen(name, mode, fileobj, **kwargs) + except (IOError, EOFError): + fileobj.close() + raise ReadError("not a bzip2 file") + t._extfileobj = False + return t + + # All *open() methods are registered here. + OPEN_METH = { + "tar": "taropen", # uncompressed tar + "gz": "gzopen", # gzip compressed tar + "bz2": "bz2open" # bzip2 compressed tar + } + + #-------------------------------------------------------------------------- + # The public methods which TarFile provides: + + def close(self): + """Close the TarFile. In write-mode, two finishing zero blocks are + appended to the archive. + """ + if self.closed: + return + + if self.mode in "aw": + self.fileobj.write(NUL * (BLOCKSIZE * 2)) + self.offset += (BLOCKSIZE * 2) + # fill up the end with zero-blocks + # (like option -b20 for tar does) + blocks, remainder = divmod(self.offset, RECORDSIZE) + if remainder > 0: + self.fileobj.write(NUL * (RECORDSIZE - remainder)) + + if not self._extfileobj: + self.fileobj.close() + self.closed = True + + def getmember(self, name): + """Return a TarInfo object for member `name'. If `name' can not be + found in the archive, KeyError is raised. If a member occurs more + than once in the archive, its last occurrence is assumed to be the + most up-to-date version. + """ + tarinfo = self._getmember(name) + if tarinfo is None: + raise KeyError("filename %r not found" % name) + return tarinfo + + def getmembers(self): + """Return the members of the archive as a list of TarInfo objects. The + list has the same order as the members in the archive. + """ + self._check() + if not self._loaded: # if we want to obtain a list of + self._load() # all members, we first have to + # scan the whole archive. + return self.members + + def getnames(self): + """Return the members of the archive as a list of their names. It has + the same order as the list returned by getmembers(). + """ + return [tarinfo.name for tarinfo in self.getmembers()] + + def gettarinfo(self, name=None, arcname=None, fileobj=None): + """Create a TarInfo object for either the file `name' or the file + object `fileobj' (using os.fstat on its file descriptor). You can + modify some of the TarInfo's attributes before you add it using + addfile(). If given, `arcname' specifies an alternative name for the + file in the archive. + """ + self._check("aw") + + # When fileobj is given, replace name by + # fileobj's real name. + if fileobj is not None: + name = fileobj.name + + # Building the name of the member in the archive. + # Backward slashes are converted to forward slashes, + # Absolute paths are turned to relative paths. + if arcname is None: + arcname = name + drv, arcname = os.path.splitdrive(arcname) + arcname = arcname.replace(os.sep, "/") + arcname = arcname.lstrip("/") + + # Now, fill the TarInfo object with + # information specific for the file. + tarinfo = self.tarinfo() + tarinfo.tarfile = self + + # Use os.stat or os.lstat, depending on platform + # and if symlinks shall be resolved. + if fileobj is None: + if hasattr(os, "lstat") and not self.dereference: + statres = os.lstat(name) + else: + statres = os.stat(name) + else: + statres = os.fstat(fileobj.fileno()) + linkname = "" + + stmd = statres.st_mode + if stat.S_ISREG(stmd): + inode = (statres.st_ino, statres.st_dev) + if not self.dereference and statres.st_nlink > 1 and \ + inode in self.inodes and arcname != self.inodes[inode]: + # Is it a hardlink to an already + # archived file? + type = LNKTYPE + linkname = self.inodes[inode] + else: + # The inode is added only if its valid. + # For win32 it is always 0. + type = REGTYPE + if inode[0]: + self.inodes[inode] = arcname + elif stat.S_ISDIR(stmd): + type = DIRTYPE + elif stat.S_ISFIFO(stmd): + type = FIFOTYPE + elif stat.S_ISLNK(stmd): + type = SYMTYPE + linkname = os.readlink(name) + elif stat.S_ISCHR(stmd): + type = CHRTYPE + elif stat.S_ISBLK(stmd): + type = BLKTYPE + else: + return None + + # Fill the TarInfo object with all + # information we can get. + tarinfo.name = arcname + tarinfo.mode = stmd + tarinfo.uid = statres.st_uid + tarinfo.gid = statres.st_gid + if type == REGTYPE: + tarinfo.size = statres.st_size + else: + tarinfo.size = 0 + tarinfo.mtime = statres.st_mtime + tarinfo.type = type + tarinfo.linkname = linkname + if pwd: + try: + tarinfo.uname = pwd.getpwuid(tarinfo.uid)[0] + except KeyError: + pass + if grp: + try: + tarinfo.gname = grp.getgrgid(tarinfo.gid)[0] + except KeyError: + pass + + if type in (CHRTYPE, BLKTYPE): + if hasattr(os, "major") and hasattr(os, "minor"): + tarinfo.devmajor = os.major(statres.st_rdev) + tarinfo.devminor = os.minor(statres.st_rdev) + return tarinfo + + def list(self, verbose=True): + """Print a table of contents to sys.stdout. If `verbose' is False, only + the names of the members are printed. If it is True, an `ls -l'-like + output is produced. + """ + self._check() + + for tarinfo in self: + if verbose: + print(filemode(tarinfo.mode), end=' ') + print("%s/%s" % (tarinfo.uname or tarinfo.uid, + tarinfo.gname or tarinfo.gid), end=' ') + if tarinfo.ischr() or tarinfo.isblk(): + print("%10s" % ("%d,%d" \ + % (tarinfo.devmajor, tarinfo.devminor)), end=' ') + else: + print("%10d" % tarinfo.size, end=' ') + print("%d-%02d-%02d %02d:%02d:%02d" \ + % time.localtime(tarinfo.mtime)[:6], end=' ') + + print(tarinfo.name + ("/" if tarinfo.isdir() else ""), end=' ') + + if verbose: + if tarinfo.issym(): + print("->", tarinfo.linkname, end=' ') + if tarinfo.islnk(): + print("link to", tarinfo.linkname, end=' ') + print() + + def add(self, name, arcname=None, recursive=True, exclude=None, filter=None): + """Add the file `name' to the archive. `name' may be any type of file + (directory, fifo, symbolic link, etc.). If given, `arcname' + specifies an alternative name for the file in the archive. + Directories are added recursively by default. This can be avoided by + setting `recursive' to False. `exclude' is a function that should + return True for each filename to be excluded. `filter' is a function + that expects a TarInfo object argument and returns the changed + TarInfo object, if it returns None the TarInfo object will be + excluded from the archive. + """ + self._check("aw") + + if arcname is None: + arcname = name + + # Exclude pathnames. + if exclude is not None: + import warnings + warnings.warn("use the filter argument instead", + DeprecationWarning, 2) + if exclude(name): + self._dbg(2, "tarfile: Excluded %r" % name) + return + + # Skip if somebody tries to archive the archive... + if self.name is not None and os.path.abspath(name) == self.name: + self._dbg(2, "tarfile: Skipped %r" % name) + return + + self._dbg(1, name) + + # Create a TarInfo object from the file. + tarinfo = self.gettarinfo(name, arcname) + + if tarinfo is None: + self._dbg(1, "tarfile: Unsupported type %r" % name) + return + + # Change or exclude the TarInfo object. + if filter is not None: + tarinfo = filter(tarinfo) + if tarinfo is None: + self._dbg(2, "tarfile: Excluded %r" % name) + return + + # Append the tar header and data to the archive. + if tarinfo.isreg(): + f = bltn_open(name, "rb") + self.addfile(tarinfo, f) + f.close() + + elif tarinfo.isdir(): + self.addfile(tarinfo) + if recursive: + for f in os.listdir(name): + self.add(os.path.join(name, f), os.path.join(arcname, f), + recursive, exclude, filter=filter) + + else: + self.addfile(tarinfo) + + def addfile(self, tarinfo, fileobj=None): + """Add the TarInfo object `tarinfo' to the archive. If `fileobj' is + given, tarinfo.size bytes are read from it and added to the archive. + You can create TarInfo objects using gettarinfo(). + On Windows platforms, `fileobj' should always be opened with mode + 'rb' to avoid irritation about the file size. + """ + self._check("aw") + + tarinfo = copy.copy(tarinfo) + + buf = tarinfo.tobuf(self.format, self.encoding, self.errors) + self.fileobj.write(buf) + self.offset += len(buf) + + # If there's data to follow, append it. + if fileobj is not None: + copyfileobj(fileobj, self.fileobj, tarinfo.size) + blocks, remainder = divmod(tarinfo.size, BLOCKSIZE) + if remainder > 0: + self.fileobj.write(NUL * (BLOCKSIZE - remainder)) + blocks += 1 + self.offset += blocks * BLOCKSIZE + + self.members.append(tarinfo) + + def extractall(self, path=".", members=None): + """Extract all members from the archive to the current working + directory and set owner, modification time and permissions on + directories afterwards. `path' specifies a different directory + to extract to. `members' is optional and must be a subset of the + list returned by getmembers(). + """ + directories = [] + + if members is None: + members = self + + for tarinfo in members: + if tarinfo.isdir(): + # Extract directories with a safe mode. + directories.append(tarinfo) + tarinfo = copy.copy(tarinfo) + tarinfo.mode = 0o700 + # Do not set_attrs directories, as we will do that further down + self.extract(tarinfo, path, set_attrs=not tarinfo.isdir()) + + # Reverse sort directories. + directories.sort(key=lambda a: a.name) + directories.reverse() + + # Set correct owner, mtime and filemode on directories. + for tarinfo in directories: + dirpath = os.path.join(path, tarinfo.name) + try: + self.chown(tarinfo, dirpath) + self.utime(tarinfo, dirpath) + self.chmod(tarinfo, dirpath) + except ExtractError as e: + if self.errorlevel > 1: + raise + else: + self._dbg(1, "tarfile: %s" % e) + + def extract(self, member, path="", set_attrs=True): + """Extract a member from the archive to the current working directory, + using its full name. Its file information is extracted as accurately + as possible. `member' may be a filename or a TarInfo object. You can + specify a different directory using `path'. File attributes (owner, + mtime, mode) are set unless `set_attrs' is False. + """ + self._check("r") + + if isinstance(member, str): + tarinfo = self.getmember(member) + else: + tarinfo = member + + # Prepare the link target for makelink(). + if tarinfo.islnk(): + tarinfo._link_target = os.path.join(path, tarinfo.linkname) + + try: + self._extract_member(tarinfo, os.path.join(path, tarinfo.name), + set_attrs=set_attrs) + except EnvironmentError as e: + if self.errorlevel > 0: + raise + else: + if e.filename is None: + self._dbg(1, "tarfile: %s" % e.strerror) + else: + self._dbg(1, "tarfile: %s %r" % (e.strerror, e.filename)) + except ExtractError as e: + if self.errorlevel > 1: + raise + else: + self._dbg(1, "tarfile: %s" % e) + + def extractfile(self, member): + """Extract a member from the archive as a file object. `member' may be + a filename or a TarInfo object. If `member' is a regular file, a + file-like object is returned. If `member' is a link, a file-like + object is constructed from the link's target. If `member' is none of + the above, None is returned. + The file-like object is read-only and provides the following + methods: read(), readline(), readlines(), seek() and tell() + """ + self._check("r") + + if isinstance(member, str): + tarinfo = self.getmember(member) + else: + tarinfo = member + + if tarinfo.isreg(): + return self.fileobject(self, tarinfo) + + elif tarinfo.type not in SUPPORTED_TYPES: + # If a member's type is unknown, it is treated as a + # regular file. + return self.fileobject(self, tarinfo) + + elif tarinfo.islnk() or tarinfo.issym(): + if isinstance(self.fileobj, _Stream): + # A small but ugly workaround for the case that someone tries + # to extract a (sym)link as a file-object from a non-seekable + # stream of tar blocks. + raise StreamError("cannot extract (sym)link as file object") + else: + # A (sym)link's file object is its target's file object. + return self.extractfile(self._find_link_target(tarinfo)) + else: + # If there's no data associated with the member (directory, chrdev, + # blkdev, etc.), return None instead of a file object. + return None + + def _extract_member(self, tarinfo, targetpath, set_attrs=True): + """Extract the TarInfo object tarinfo to a physical + file called targetpath. + """ + # Fetch the TarInfo object for the given name + # and build the destination pathname, replacing + # forward slashes to platform specific separators. + targetpath = targetpath.rstrip("/") + targetpath = targetpath.replace("/", os.sep) + + # Create all upper directories. + upperdirs = os.path.dirname(targetpath) + if upperdirs and not os.path.exists(upperdirs): + # Create directories that are not part of the archive with + # default permissions. + os.makedirs(upperdirs) + + if tarinfo.islnk() or tarinfo.issym(): + self._dbg(1, "%s -> %s" % (tarinfo.name, tarinfo.linkname)) + else: + self._dbg(1, tarinfo.name) + + if tarinfo.isreg(): + self.makefile(tarinfo, targetpath) + elif tarinfo.isdir(): + self.makedir(tarinfo, targetpath) + elif tarinfo.isfifo(): + self.makefifo(tarinfo, targetpath) + elif tarinfo.ischr() or tarinfo.isblk(): + self.makedev(tarinfo, targetpath) + elif tarinfo.islnk() or tarinfo.issym(): + self.makelink(tarinfo, targetpath) + elif tarinfo.type not in SUPPORTED_TYPES: + self.makeunknown(tarinfo, targetpath) + else: + self.makefile(tarinfo, targetpath) + + if set_attrs: + self.chown(tarinfo, targetpath) + if not tarinfo.issym(): + self.chmod(tarinfo, targetpath) + self.utime(tarinfo, targetpath) + + #-------------------------------------------------------------------------- + # Below are the different file methods. They are called via + # _extract_member() when extract() is called. They can be replaced in a + # subclass to implement other functionality. + + def makedir(self, tarinfo, targetpath): + """Make a directory called targetpath. + """ + try: + # Use a safe mode for the directory, the real mode is set + # later in _extract_member(). + os.mkdir(targetpath, 0o700) + except EnvironmentError as e: + if e.errno != errno.EEXIST: + raise + + def makefile(self, tarinfo, targetpath): + """Make a file called targetpath. + """ + source = self.fileobj + source.seek(tarinfo.offset_data) + target = bltn_open(targetpath, "wb") + if tarinfo.sparse is not None: + for offset, size in tarinfo.sparse: + target.seek(offset) + copyfileobj(source, target, size) + else: + copyfileobj(source, target, tarinfo.size) + target.seek(tarinfo.size) + target.truncate() + target.close() + + def makeunknown(self, tarinfo, targetpath): + """Make a file from a TarInfo object with an unknown type + at targetpath. + """ + self.makefile(tarinfo, targetpath) + self._dbg(1, "tarfile: Unknown file type %r, " \ + "extracted as regular file." % tarinfo.type) + + def makefifo(self, tarinfo, targetpath): + """Make a fifo called targetpath. + """ + if hasattr(os, "mkfifo"): + os.mkfifo(targetpath) + else: + raise ExtractError("fifo not supported by system") + + def makedev(self, tarinfo, targetpath): + """Make a character or block device called targetpath. + """ + if not hasattr(os, "mknod") or not hasattr(os, "makedev"): + raise ExtractError("special devices not supported by system") + + mode = tarinfo.mode + if tarinfo.isblk(): + mode |= stat.S_IFBLK + else: + mode |= stat.S_IFCHR + + os.mknod(targetpath, mode, + os.makedev(tarinfo.devmajor, tarinfo.devminor)) + + def makelink(self, tarinfo, targetpath): + """Make a (symbolic) link called targetpath. If it cannot be created + (platform limitation), we try to make a copy of the referenced file + instead of a link. + """ + try: + # For systems that support symbolic and hard links. + if tarinfo.issym(): + os.symlink(tarinfo.linkname, targetpath) + else: + # See extract(). + if os.path.exists(tarinfo._link_target): + os.link(tarinfo._link_target, targetpath) + else: + self._extract_member(self._find_link_target(tarinfo), + targetpath) + except symlink_exception: + if tarinfo.issym(): + linkpath = os.path.join(os.path.dirname(tarinfo.name), + tarinfo.linkname) + else: + linkpath = tarinfo.linkname + else: + try: + self._extract_member(self._find_link_target(tarinfo), + targetpath) + except KeyError: + raise ExtractError("unable to resolve link inside archive") + + def chown(self, tarinfo, targetpath): + """Set owner of targetpath according to tarinfo. + """ + if pwd and hasattr(os, "geteuid") and os.geteuid() == 0: + # We have to be root to do so. + try: + g = grp.getgrnam(tarinfo.gname)[2] + except KeyError: + g = tarinfo.gid + try: + u = pwd.getpwnam(tarinfo.uname)[2] + except KeyError: + u = tarinfo.uid + try: + if tarinfo.issym() and hasattr(os, "lchown"): + os.lchown(targetpath, u, g) + else: + if sys.platform != "os2emx": + os.chown(targetpath, u, g) + except EnvironmentError as e: + raise ExtractError("could not change owner") + + def chmod(self, tarinfo, targetpath): + """Set file permissions of targetpath according to tarinfo. + """ + if hasattr(os, 'chmod'): + try: + os.chmod(targetpath, tarinfo.mode) + except EnvironmentError as e: + raise ExtractError("could not change mode") + + def utime(self, tarinfo, targetpath): + """Set modification time of targetpath according to tarinfo. + """ + if not hasattr(os, 'utime'): + return + try: + os.utime(targetpath, (tarinfo.mtime, tarinfo.mtime)) + except EnvironmentError as e: + raise ExtractError("could not change modification time") + + #-------------------------------------------------------------------------- + def next(self): + """Return the next member of the archive as a TarInfo object, when + TarFile is opened for reading. Return None if there is no more + available. + """ + self._check("ra") + if self.firstmember is not None: + m = self.firstmember + self.firstmember = None + return m + + # Read the next block. + self.fileobj.seek(self.offset) + tarinfo = None + while True: + try: + tarinfo = self.tarinfo.fromtarfile(self) + except EOFHeaderError as e: + if self.ignore_zeros: + self._dbg(2, "0x%X: %s" % (self.offset, e)) + self.offset += BLOCKSIZE + continue + except InvalidHeaderError as e: + if self.ignore_zeros: + self._dbg(2, "0x%X: %s" % (self.offset, e)) + self.offset += BLOCKSIZE + continue + elif self.offset == 0: + raise ReadError(str(e)) + except EmptyHeaderError: + if self.offset == 0: + raise ReadError("empty file") + except TruncatedHeaderError as e: + if self.offset == 0: + raise ReadError(str(e)) + except SubsequentHeaderError as e: + raise ReadError(str(e)) + break + + if tarinfo is not None: + self.members.append(tarinfo) + else: + self._loaded = True + + return tarinfo + + #-------------------------------------------------------------------------- + # Little helper methods: + + def _getmember(self, name, tarinfo=None, normalize=False): + """Find an archive member by name from bottom to top. + If tarinfo is given, it is used as the starting point. + """ + # Ensure that all members have been loaded. + members = self.getmembers() + + # Limit the member search list up to tarinfo. + if tarinfo is not None: + members = members[:members.index(tarinfo)] + + if normalize: + name = os.path.normpath(name) + + for member in reversed(members): + if normalize: + member_name = os.path.normpath(member.name) + else: + member_name = member.name + + if name == member_name: + return member + + def _load(self): + """Read through the entire archive file and look for readable + members. + """ + while True: + tarinfo = self.next() + if tarinfo is None: + break + self._loaded = True + + def _check(self, mode=None): + """Check if TarFile is still open, and if the operation's mode + corresponds to TarFile's mode. + """ + if self.closed: + raise IOError("%s is closed" % self.__class__.__name__) + if mode is not None and self.mode not in mode: + raise IOError("bad operation for mode %r" % self.mode) + + def _find_link_target(self, tarinfo): + """Find the target member of a symlink or hardlink member in the + archive. + """ + if tarinfo.issym(): + # Always search the entire archive. + linkname = os.path.dirname(tarinfo.name) + "/" + tarinfo.linkname + limit = None + else: + # Search the archive before the link, because a hard link is + # just a reference to an already archived file. + linkname = tarinfo.linkname + limit = tarinfo + + member = self._getmember(linkname, tarinfo=limit, normalize=True) + if member is None: + raise KeyError("linkname %r not found" % linkname) + return member + + def __iter__(self): + """Provide an iterator object. + """ + if self._loaded: + return iter(self.members) + else: + return TarIter(self) + + def _dbg(self, level, msg): + """Write debugging output to sys.stderr. + """ + if level <= self.debug: + print(msg, file=sys.stderr) + + def __enter__(self): + self._check() + return self + + def __exit__(self, type, value, traceback): + if type is None: + self.close() + else: + # An exception occurred. We must not call close() because + # it would try to write end-of-archive blocks and padding. + if not self._extfileobj: + self.fileobj.close() + self.closed = True +# class TarFile + +class TarIter(object): + """Iterator Class. + + for tarinfo in TarFile(...): + suite... + """ + + def __init__(self, tarfile): + """Construct a TarIter object. + """ + self.tarfile = tarfile + self.index = 0 + def __iter__(self): + """Return iterator object. + """ + return self + + def __next__(self): + """Return the next item using TarFile's next() method. + When all members have been read, set TarFile as _loaded. + """ + # Fix for SF #1100429: Under rare circumstances it can + # happen that getmembers() is called during iteration, + # which will cause TarIter to stop prematurely. + if not self.tarfile._loaded: + tarinfo = self.tarfile.next() + if not tarinfo: + self.tarfile._loaded = True + raise StopIteration + else: + try: + tarinfo = self.tarfile.members[self.index] + except IndexError: + raise StopIteration + self.index += 1 + return tarinfo + + next = __next__ # for Python 2.x + +#-------------------- +# exported functions +#-------------------- +def is_tarfile(name): + """Return True if name points to a tar archive that we + are able to handle, else return False. + """ + try: + t = open(name) + t.close() + return True + except TarError: + return False + +bltn_open = open +open = TarFile.open diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/compat.py new file mode 100644 index 0000000..ff328c8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/compat.py @@ -0,0 +1,1120 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013-2017 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import absolute_import + +import os +import re +import sys + +try: + import ssl +except ImportError: # pragma: no cover + ssl = None + +if sys.version_info[0] < 3: # pragma: no cover + from StringIO import StringIO + string_types = basestring, + text_type = unicode + from types import FileType as file_type + import __builtin__ as builtins + import ConfigParser as configparser + from ._backport import shutil + from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit + from urllib import (urlretrieve, quote as _quote, unquote, url2pathname, + pathname2url, ContentTooShortError, splittype) + + def quote(s): + if isinstance(s, unicode): + s = s.encode('utf-8') + return _quote(s) + + import urllib2 + from urllib2 import (Request, urlopen, URLError, HTTPError, + HTTPBasicAuthHandler, HTTPPasswordMgr, + HTTPHandler, HTTPRedirectHandler, + build_opener) + if ssl: + from urllib2 import HTTPSHandler + import httplib + import xmlrpclib + import Queue as queue + from HTMLParser import HTMLParser + import htmlentitydefs + raw_input = raw_input + from itertools import ifilter as filter + from itertools import ifilterfalse as filterfalse + + _userprog = None + def splituser(host): + """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'.""" + global _userprog + if _userprog is None: + import re + _userprog = re.compile('^(.*)@(.*)$') + + match = _userprog.match(host) + if match: return match.group(1, 2) + return None, host + +else: # pragma: no cover + from io import StringIO + string_types = str, + text_type = str + from io import TextIOWrapper as file_type + import builtins + import configparser + import shutil + from urllib.parse import (urlparse, urlunparse, urljoin, splituser, quote, + unquote, urlsplit, urlunsplit, splittype) + from urllib.request import (urlopen, urlretrieve, Request, url2pathname, + pathname2url, + HTTPBasicAuthHandler, HTTPPasswordMgr, + HTTPHandler, HTTPRedirectHandler, + build_opener) + if ssl: + from urllib.request import HTTPSHandler + from urllib.error import HTTPError, URLError, ContentTooShortError + import http.client as httplib + import urllib.request as urllib2 + import xmlrpc.client as xmlrpclib + import queue + from html.parser import HTMLParser + import html.entities as htmlentitydefs + raw_input = input + from itertools import filterfalse + filter = filter + +try: + from ssl import match_hostname, CertificateError +except ImportError: # pragma: no cover + class CertificateError(ValueError): + pass + + + def _dnsname_match(dn, hostname, max_wildcards=1): + """Matching according to RFC 6125, section 6.4.3 + + http://tools.ietf.org/html/rfc6125#section-6.4.3 + """ + pats = [] + if not dn: + return False + + parts = dn.split('.') + leftmost, remainder = parts[0], parts[1:] + + wildcards = leftmost.count('*') + if wildcards > max_wildcards: + # Issue #17980: avoid denials of service by refusing more + # than one wildcard per fragment. A survey of established + # policy among SSL implementations showed it to be a + # reasonable choice. + raise CertificateError( + "too many wildcards in certificate DNS name: " + repr(dn)) + + # speed up common case w/o wildcards + if not wildcards: + return dn.lower() == hostname.lower() + + # RFC 6125, section 6.4.3, subitem 1. + # The client SHOULD NOT attempt to match a presented identifier in which + # the wildcard character comprises a label other than the left-most label. + if leftmost == '*': + # When '*' is a fragment by itself, it matches a non-empty dotless + # fragment. + pats.append('[^.]+') + elif leftmost.startswith('xn--') or hostname.startswith('xn--'): + # RFC 6125, section 6.4.3, subitem 3. + # The client SHOULD NOT attempt to match a presented identifier + # where the wildcard character is embedded within an A-label or + # U-label of an internationalized domain name. + pats.append(re.escape(leftmost)) + else: + # Otherwise, '*' matches any dotless string, e.g. www* + pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) + + # add the remaining fragments, ignore any wildcards + for frag in remainder: + pats.append(re.escape(frag)) + + pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) + return pat.match(hostname) + + + def match_hostname(cert, hostname): + """Verify that *cert* (in decoded format as returned by + SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 + rules are followed, but IP addresses are not accepted for *hostname*. + + CertificateError is raised on failure. On success, the function + returns nothing. + """ + if not cert: + raise ValueError("empty or no certificate, match_hostname needs a " + "SSL socket or SSL context with either " + "CERT_OPTIONAL or CERT_REQUIRED") + dnsnames = [] + san = cert.get('subjectAltName', ()) + for key, value in san: + if key == 'DNS': + if _dnsname_match(value, hostname): + return + dnsnames.append(value) + if not dnsnames: + # The subject is only checked when there is no dNSName entry + # in subjectAltName + for sub in cert.get('subject', ()): + for key, value in sub: + # XXX according to RFC 2818, the most specific Common Name + # must be used. + if key == 'commonName': + if _dnsname_match(value, hostname): + return + dnsnames.append(value) + if len(dnsnames) > 1: + raise CertificateError("hostname %r " + "doesn't match either of %s" + % (hostname, ', '.join(map(repr, dnsnames)))) + elif len(dnsnames) == 1: + raise CertificateError("hostname %r " + "doesn't match %r" + % (hostname, dnsnames[0])) + else: + raise CertificateError("no appropriate commonName or " + "subjectAltName fields were found") + + +try: + from types import SimpleNamespace as Container +except ImportError: # pragma: no cover + class Container(object): + """ + A generic container for when multiple values need to be returned + """ + def __init__(self, **kwargs): + self.__dict__.update(kwargs) + + +try: + from shutil import which +except ImportError: # pragma: no cover + # Implementation from Python 3.3 + def which(cmd, mode=os.F_OK | os.X_OK, path=None): + """Given a command, mode, and a PATH string, return the path which + conforms to the given mode on the PATH, or None if there is no such + file. + + `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result + of os.environ.get("PATH"), or can be overridden with a custom search + path. + + """ + # Check that a given file can be accessed with the correct mode. + # Additionally check that `file` is not a directory, as on Windows + # directories pass the os.access check. + def _access_check(fn, mode): + return (os.path.exists(fn) and os.access(fn, mode) + and not os.path.isdir(fn)) + + # If we're given a path with a directory part, look it up directly rather + # than referring to PATH directories. This includes checking relative to the + # current directory, e.g. ./script + if os.path.dirname(cmd): + if _access_check(cmd, mode): + return cmd + return None + + if path is None: + path = os.environ.get("PATH", os.defpath) + if not path: + return None + path = path.split(os.pathsep) + + if sys.platform == "win32": + # The current directory takes precedence on Windows. + if not os.curdir in path: + path.insert(0, os.curdir) + + # PATHEXT is necessary to check on Windows. + pathext = os.environ.get("PATHEXT", "").split(os.pathsep) + # See if the given file matches any of the expected path extensions. + # This will allow us to short circuit when given "python.exe". + # If it does match, only test that one, otherwise we have to try + # others. + if any(cmd.lower().endswith(ext.lower()) for ext in pathext): + files = [cmd] + else: + files = [cmd + ext for ext in pathext] + else: + # On other platforms you don't have things like PATHEXT to tell you + # what file suffixes are executable, so just pass on cmd as-is. + files = [cmd] + + seen = set() + for dir in path: + normdir = os.path.normcase(dir) + if not normdir in seen: + seen.add(normdir) + for thefile in files: + name = os.path.join(dir, thefile) + if _access_check(name, mode): + return name + return None + + +# ZipFile is a context manager in 2.7, but not in 2.6 + +from zipfile import ZipFile as BaseZipFile + +if hasattr(BaseZipFile, '__enter__'): # pragma: no cover + ZipFile = BaseZipFile +else: # pragma: no cover + from zipfile import ZipExtFile as BaseZipExtFile + + class ZipExtFile(BaseZipExtFile): + def __init__(self, base): + self.__dict__.update(base.__dict__) + + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.close() + # return None, so if an exception occurred, it will propagate + + class ZipFile(BaseZipFile): + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.close() + # return None, so if an exception occurred, it will propagate + + def open(self, *args, **kwargs): + base = BaseZipFile.open(self, *args, **kwargs) + return ZipExtFile(base) + +try: + from platform import python_implementation +except ImportError: # pragma: no cover + def python_implementation(): + """Return a string identifying the Python implementation.""" + if 'PyPy' in sys.version: + return 'PyPy' + if os.name == 'java': + return 'Jython' + if sys.version.startswith('IronPython'): + return 'IronPython' + return 'CPython' + +try: + import sysconfig +except ImportError: # pragma: no cover + from ._backport import sysconfig + +try: + callable = callable +except NameError: # pragma: no cover + from collections import Callable + + def callable(obj): + return isinstance(obj, Callable) + + +try: + fsencode = os.fsencode + fsdecode = os.fsdecode +except AttributeError: # pragma: no cover + # Issue #99: on some systems (e.g. containerised), + # sys.getfilesystemencoding() returns None, and we need a real value, + # so fall back to utf-8. From the CPython 2.7 docs relating to Unix and + # sys.getfilesystemencoding(): the return value is "the user’s preference + # according to the result of nl_langinfo(CODESET), or None if the + # nl_langinfo(CODESET) failed." + _fsencoding = sys.getfilesystemencoding() or 'utf-8' + if _fsencoding == 'mbcs': + _fserrors = 'strict' + else: + _fserrors = 'surrogateescape' + + def fsencode(filename): + if isinstance(filename, bytes): + return filename + elif isinstance(filename, text_type): + return filename.encode(_fsencoding, _fserrors) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) + + def fsdecode(filename): + if isinstance(filename, text_type): + return filename + elif isinstance(filename, bytes): + return filename.decode(_fsencoding, _fserrors) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) + +try: + from tokenize import detect_encoding +except ImportError: # pragma: no cover + from codecs import BOM_UTF8, lookup + import re + + cookie_re = re.compile(r"coding[:=]\s*([-\w.]+)") + + def _get_normal_name(orig_enc): + """Imitates get_normal_name in tokenizer.c.""" + # Only care about the first 12 characters. + enc = orig_enc[:12].lower().replace("_", "-") + if enc == "utf-8" or enc.startswith("utf-8-"): + return "utf-8" + if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \ + enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")): + return "iso-8859-1" + return orig_enc + + def detect_encoding(readline): + """ + The detect_encoding() function is used to detect the encoding that should + be used to decode a Python source file. It requires one argument, readline, + in the same way as the tokenize() generator. + + It will call readline a maximum of twice, and return the encoding used + (as a string) and a list of any lines (left as bytes) it has read in. + + It detects the encoding from the presence of a utf-8 bom or an encoding + cookie as specified in pep-0263. If both a bom and a cookie are present, + but disagree, a SyntaxError will be raised. If the encoding cookie is an + invalid charset, raise a SyntaxError. Note that if a utf-8 bom is found, + 'utf-8-sig' is returned. + + If no encoding is specified, then the default of 'utf-8' will be returned. + """ + try: + filename = readline.__self__.name + except AttributeError: + filename = None + bom_found = False + encoding = None + default = 'utf-8' + def read_or_stop(): + try: + return readline() + except StopIteration: + return b'' + + def find_cookie(line): + try: + # Decode as UTF-8. Either the line is an encoding declaration, + # in which case it should be pure ASCII, or it must be UTF-8 + # per default encoding. + line_string = line.decode('utf-8') + except UnicodeDecodeError: + msg = "invalid or missing encoding declaration" + if filename is not None: + msg = '{} for {!r}'.format(msg, filename) + raise SyntaxError(msg) + + matches = cookie_re.findall(line_string) + if not matches: + return None + encoding = _get_normal_name(matches[0]) + try: + codec = lookup(encoding) + except LookupError: + # This behaviour mimics the Python interpreter + if filename is None: + msg = "unknown encoding: " + encoding + else: + msg = "unknown encoding for {!r}: {}".format(filename, + encoding) + raise SyntaxError(msg) + + if bom_found: + if codec.name != 'utf-8': + # This behaviour mimics the Python interpreter + if filename is None: + msg = 'encoding problem: utf-8' + else: + msg = 'encoding problem for {!r}: utf-8'.format(filename) + raise SyntaxError(msg) + encoding += '-sig' + return encoding + + first = read_or_stop() + if first.startswith(BOM_UTF8): + bom_found = True + first = first[3:] + default = 'utf-8-sig' + if not first: + return default, [] + + encoding = find_cookie(first) + if encoding: + return encoding, [first] + + second = read_or_stop() + if not second: + return default, [first] + + encoding = find_cookie(second) + if encoding: + return encoding, [first, second] + + return default, [first, second] + +# For converting & <-> & etc. +try: + from html import escape +except ImportError: + from cgi import escape +if sys.version_info[:2] < (3, 4): + unescape = HTMLParser().unescape +else: + from html import unescape + +try: + from collections import ChainMap +except ImportError: # pragma: no cover + from collections import MutableMapping + + try: + from reprlib import recursive_repr as _recursive_repr + except ImportError: + def _recursive_repr(fillvalue='...'): + ''' + Decorator to make a repr function return fillvalue for a recursive + call + ''' + + def decorating_function(user_function): + repr_running = set() + + def wrapper(self): + key = id(self), get_ident() + if key in repr_running: + return fillvalue + repr_running.add(key) + try: + result = user_function(self) + finally: + repr_running.discard(key) + return result + + # Can't use functools.wraps() here because of bootstrap issues + wrapper.__module__ = getattr(user_function, '__module__') + wrapper.__doc__ = getattr(user_function, '__doc__') + wrapper.__name__ = getattr(user_function, '__name__') + wrapper.__annotations__ = getattr(user_function, '__annotations__', {}) + return wrapper + + return decorating_function + + class ChainMap(MutableMapping): + ''' A ChainMap groups multiple dicts (or other mappings) together + to create a single, updateable view. + + The underlying mappings are stored in a list. That list is public and can + accessed or updated using the *maps* attribute. There is no other state. + + Lookups search the underlying mappings successively until a key is found. + In contrast, writes, updates, and deletions only operate on the first + mapping. + + ''' + + def __init__(self, *maps): + '''Initialize a ChainMap by setting *maps* to the given mappings. + If no mappings are provided, a single empty dictionary is used. + + ''' + self.maps = list(maps) or [{}] # always at least one map + + def __missing__(self, key): + raise KeyError(key) + + def __getitem__(self, key): + for mapping in self.maps: + try: + return mapping[key] # can't use 'key in mapping' with defaultdict + except KeyError: + pass + return self.__missing__(key) # support subclasses that define __missing__ + + def get(self, key, default=None): + return self[key] if key in self else default + + def __len__(self): + return len(set().union(*self.maps)) # reuses stored hash values if possible + + def __iter__(self): + return iter(set().union(*self.maps)) + + def __contains__(self, key): + return any(key in m for m in self.maps) + + def __bool__(self): + return any(self.maps) + + @_recursive_repr() + def __repr__(self): + return '{0.__class__.__name__}({1})'.format( + self, ', '.join(map(repr, self.maps))) + + @classmethod + def fromkeys(cls, iterable, *args): + 'Create a ChainMap with a single dict created from the iterable.' + return cls(dict.fromkeys(iterable, *args)) + + def copy(self): + 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]' + return self.__class__(self.maps[0].copy(), *self.maps[1:]) + + __copy__ = copy + + def new_child(self): # like Django's Context.push() + 'New ChainMap with a new dict followed by all previous maps.' + return self.__class__({}, *self.maps) + + @property + def parents(self): # like Django's Context.pop() + 'New ChainMap from maps[1:].' + return self.__class__(*self.maps[1:]) + + def __setitem__(self, key, value): + self.maps[0][key] = value + + def __delitem__(self, key): + try: + del self.maps[0][key] + except KeyError: + raise KeyError('Key not found in the first mapping: {!r}'.format(key)) + + def popitem(self): + 'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.' + try: + return self.maps[0].popitem() + except KeyError: + raise KeyError('No keys found in the first mapping.') + + def pop(self, key, *args): + 'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].' + try: + return self.maps[0].pop(key, *args) + except KeyError: + raise KeyError('Key not found in the first mapping: {!r}'.format(key)) + + def clear(self): + 'Clear maps[0], leaving maps[1:] intact.' + self.maps[0].clear() + +try: + from importlib.util import cache_from_source # Python >= 3.4 +except ImportError: # pragma: no cover + try: + from imp import cache_from_source + except ImportError: # pragma: no cover + def cache_from_source(path, debug_override=None): + assert path.endswith('.py') + if debug_override is None: + debug_override = __debug__ + if debug_override: + suffix = 'c' + else: + suffix = 'o' + return path + suffix + +try: + from collections import OrderedDict +except ImportError: # pragma: no cover +## {{{ http://code.activestate.com/recipes/576693/ (r9) +# Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy. +# Passes Python2.7's test suite and incorporates all the latest updates. + try: + from thread import get_ident as _get_ident + except ImportError: + from dummy_thread import get_ident as _get_ident + + try: + from _abcoll import KeysView, ValuesView, ItemsView + except ImportError: + pass + + + class OrderedDict(dict): + 'Dictionary that remembers insertion order' + # An inherited dict maps keys to values. + # The inherited dict provides __getitem__, __len__, __contains__, and get. + # The remaining methods are order-aware. + # Big-O running times for all methods are the same as for regular dictionaries. + + # The internal self.__map dictionary maps keys to links in a doubly linked list. + # The circular doubly linked list starts and ends with a sentinel element. + # The sentinel element never gets deleted (this simplifies the algorithm). + # Each link is stored as a list of length three: [PREV, NEXT, KEY]. + + def __init__(self, *args, **kwds): + '''Initialize an ordered dictionary. Signature is the same as for + regular dictionaries, but keyword arguments are not recommended + because their insertion order is arbitrary. + + ''' + if len(args) > 1: + raise TypeError('expected at most 1 arguments, got %d' % len(args)) + try: + self.__root + except AttributeError: + self.__root = root = [] # sentinel node + root[:] = [root, root, None] + self.__map = {} + self.__update(*args, **kwds) + + def __setitem__(self, key, value, dict_setitem=dict.__setitem__): + 'od.__setitem__(i, y) <==> od[i]=y' + # Setting a new item creates a new link which goes at the end of the linked + # list, and the inherited dictionary is updated with the new key/value pair. + if key not in self: + root = self.__root + last = root[0] + last[1] = root[0] = self.__map[key] = [last, root, key] + dict_setitem(self, key, value) + + def __delitem__(self, key, dict_delitem=dict.__delitem__): + 'od.__delitem__(y) <==> del od[y]' + # Deleting an existing item uses self.__map to find the link which is + # then removed by updating the links in the predecessor and successor nodes. + dict_delitem(self, key) + link_prev, link_next, key = self.__map.pop(key) + link_prev[1] = link_next + link_next[0] = link_prev + + def __iter__(self): + 'od.__iter__() <==> iter(od)' + root = self.__root + curr = root[1] + while curr is not root: + yield curr[2] + curr = curr[1] + + def __reversed__(self): + 'od.__reversed__() <==> reversed(od)' + root = self.__root + curr = root[0] + while curr is not root: + yield curr[2] + curr = curr[0] + + def clear(self): + 'od.clear() -> None. Remove all items from od.' + try: + for node in self.__map.itervalues(): + del node[:] + root = self.__root + root[:] = [root, root, None] + self.__map.clear() + except AttributeError: + pass + dict.clear(self) + + def popitem(self, last=True): + '''od.popitem() -> (k, v), return and remove a (key, value) pair. + Pairs are returned in LIFO order if last is true or FIFO order if false. + + ''' + if not self: + raise KeyError('dictionary is empty') + root = self.__root + if last: + link = root[0] + link_prev = link[0] + link_prev[1] = root + root[0] = link_prev + else: + link = root[1] + link_next = link[1] + root[1] = link_next + link_next[0] = root + key = link[2] + del self.__map[key] + value = dict.pop(self, key) + return key, value + + # -- the following methods do not depend on the internal structure -- + + def keys(self): + 'od.keys() -> list of keys in od' + return list(self) + + def values(self): + 'od.values() -> list of values in od' + return [self[key] for key in self] + + def items(self): + 'od.items() -> list of (key, value) pairs in od' + return [(key, self[key]) for key in self] + + def iterkeys(self): + 'od.iterkeys() -> an iterator over the keys in od' + return iter(self) + + def itervalues(self): + 'od.itervalues -> an iterator over the values in od' + for k in self: + yield self[k] + + def iteritems(self): + 'od.iteritems -> an iterator over the (key, value) items in od' + for k in self: + yield (k, self[k]) + + def update(*args, **kwds): + '''od.update(E, **F) -> None. Update od from dict/iterable E and F. + + If E is a dict instance, does: for k in E: od[k] = E[k] + If E has a .keys() method, does: for k in E.keys(): od[k] = E[k] + Or if E is an iterable of items, does: for k, v in E: od[k] = v + In either case, this is followed by: for k, v in F.items(): od[k] = v + + ''' + if len(args) > 2: + raise TypeError('update() takes at most 2 positional ' + 'arguments (%d given)' % (len(args),)) + elif not args: + raise TypeError('update() takes at least 1 argument (0 given)') + self = args[0] + # Make progressively weaker assumptions about "other" + other = () + if len(args) == 2: + other = args[1] + if isinstance(other, dict): + for key in other: + self[key] = other[key] + elif hasattr(other, 'keys'): + for key in other.keys(): + self[key] = other[key] + else: + for key, value in other: + self[key] = value + for key, value in kwds.items(): + self[key] = value + + __update = update # let subclasses override update without breaking __init__ + + __marker = object() + + def pop(self, key, default=__marker): + '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value. + If key is not found, d is returned if given, otherwise KeyError is raised. + + ''' + if key in self: + result = self[key] + del self[key] + return result + if default is self.__marker: + raise KeyError(key) + return default + + def setdefault(self, key, default=None): + 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od' + if key in self: + return self[key] + self[key] = default + return default + + def __repr__(self, _repr_running=None): + 'od.__repr__() <==> repr(od)' + if not _repr_running: _repr_running = {} + call_key = id(self), _get_ident() + if call_key in _repr_running: + return '...' + _repr_running[call_key] = 1 + try: + if not self: + return '%s()' % (self.__class__.__name__,) + return '%s(%r)' % (self.__class__.__name__, self.items()) + finally: + del _repr_running[call_key] + + def __reduce__(self): + 'Return state information for pickling' + items = [[k, self[k]] for k in self] + inst_dict = vars(self).copy() + for k in vars(OrderedDict()): + inst_dict.pop(k, None) + if inst_dict: + return (self.__class__, (items,), inst_dict) + return self.__class__, (items,) + + def copy(self): + 'od.copy() -> a shallow copy of od' + return self.__class__(self) + + @classmethod + def fromkeys(cls, iterable, value=None): + '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S + and values equal to v (which defaults to None). + + ''' + d = cls() + for key in iterable: + d[key] = value + return d + + def __eq__(self, other): + '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive + while comparison to a regular mapping is order-insensitive. + + ''' + if isinstance(other, OrderedDict): + return len(self)==len(other) and self.items() == other.items() + return dict.__eq__(self, other) + + def __ne__(self, other): + return not self == other + + # -- the following methods are only used in Python 2.7 -- + + def viewkeys(self): + "od.viewkeys() -> a set-like object providing a view on od's keys" + return KeysView(self) + + def viewvalues(self): + "od.viewvalues() -> an object providing a view on od's values" + return ValuesView(self) + + def viewitems(self): + "od.viewitems() -> a set-like object providing a view on od's items" + return ItemsView(self) + +try: + from logging.config import BaseConfigurator, valid_ident +except ImportError: # pragma: no cover + IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I) + + + def valid_ident(s): + m = IDENTIFIER.match(s) + if not m: + raise ValueError('Not a valid Python identifier: %r' % s) + return True + + + # The ConvertingXXX classes are wrappers around standard Python containers, + # and they serve to convert any suitable values in the container. The + # conversion converts base dicts, lists and tuples to their wrapped + # equivalents, whereas strings which match a conversion format are converted + # appropriately. + # + # Each wrapper should have a configurator attribute holding the actual + # configurator to use for conversion. + + class ConvertingDict(dict): + """A converting dictionary wrapper.""" + + def __getitem__(self, key): + value = dict.__getitem__(self, key) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def get(self, key, default=None): + value = dict.get(self, key, default) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def pop(self, key, default=None): + value = dict.pop(self, key, default) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + class ConvertingList(list): + """A converting list wrapper.""" + def __getitem__(self, key): + value = list.__getitem__(self, key) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def pop(self, idx=-1): + value = list.pop(self, idx) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + return result + + class ConvertingTuple(tuple): + """A converting tuple wrapper.""" + def __getitem__(self, key): + value = tuple.__getitem__(self, key) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + class BaseConfigurator(object): + """ + The configurator base class which defines some useful defaults. + """ + + CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$') + + WORD_PATTERN = re.compile(r'^\s*(\w+)\s*') + DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*') + INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*') + DIGIT_PATTERN = re.compile(r'^\d+$') + + value_converters = { + 'ext' : 'ext_convert', + 'cfg' : 'cfg_convert', + } + + # We might want to use a different one, e.g. importlib + importer = staticmethod(__import__) + + def __init__(self, config): + self.config = ConvertingDict(config) + self.config.configurator = self + + def resolve(self, s): + """ + Resolve strings to objects using standard import and attribute + syntax. + """ + name = s.split('.') + used = name.pop(0) + try: + found = self.importer(used) + for frag in name: + used += '.' + frag + try: + found = getattr(found, frag) + except AttributeError: + self.importer(used) + found = getattr(found, frag) + return found + except ImportError: + e, tb = sys.exc_info()[1:] + v = ValueError('Cannot resolve %r: %s' % (s, e)) + v.__cause__, v.__traceback__ = e, tb + raise v + + def ext_convert(self, value): + """Default converter for the ext:// protocol.""" + return self.resolve(value) + + def cfg_convert(self, value): + """Default converter for the cfg:// protocol.""" + rest = value + m = self.WORD_PATTERN.match(rest) + if m is None: + raise ValueError("Unable to convert %r" % value) + else: + rest = rest[m.end():] + d = self.config[m.groups()[0]] + #print d, rest + while rest: + m = self.DOT_PATTERN.match(rest) + if m: + d = d[m.groups()[0]] + else: + m = self.INDEX_PATTERN.match(rest) + if m: + idx = m.groups()[0] + if not self.DIGIT_PATTERN.match(idx): + d = d[idx] + else: + try: + n = int(idx) # try as number first (most likely) + d = d[n] + except TypeError: + d = d[idx] + if m: + rest = rest[m.end():] + else: + raise ValueError('Unable to convert ' + '%r at %r' % (value, rest)) + #rest should be empty + return d + + def convert(self, value): + """ + Convert values to an appropriate type. dicts, lists and tuples are + replaced by their converting alternatives. Strings are checked to + see if they have a conversion format and are converted if they do. + """ + if not isinstance(value, ConvertingDict) and isinstance(value, dict): + value = ConvertingDict(value) + value.configurator = self + elif not isinstance(value, ConvertingList) and isinstance(value, list): + value = ConvertingList(value) + value.configurator = self + elif not isinstance(value, ConvertingTuple) and\ + isinstance(value, tuple): + value = ConvertingTuple(value) + value.configurator = self + elif isinstance(value, string_types): + m = self.CONVERT_PATTERN.match(value) + if m: + d = m.groupdict() + prefix = d['prefix'] + converter = self.value_converters.get(prefix, None) + if converter: + suffix = d['suffix'] + converter = getattr(self, converter) + value = converter(suffix) + return value + + def configure_custom(self, config): + """Configure an object with a user-supplied factory.""" + c = config.pop('()') + if not callable(c): + c = self.resolve(c) + props = config.pop('.', None) + # Check for valid identifiers + kwargs = dict([(k, config[k]) for k in config if valid_ident(k)]) + result = c(**kwargs) + if props: + for name, value in props.items(): + setattr(result, name, value) + return result + + def as_tuple(self, value): + """Utility function which converts lists to tuples.""" + if isinstance(value, list): + value = tuple(value) + return value diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/database.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/database.py new file mode 100644 index 0000000..b13cdac --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/database.py @@ -0,0 +1,1339 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2017 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""PEP 376 implementation.""" + +from __future__ import unicode_literals + +import base64 +import codecs +import contextlib +import hashlib +import logging +import os +import posixpath +import sys +import zipimport + +from . import DistlibException, resources +from .compat import StringIO +from .version import get_scheme, UnsupportedVersionError +from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME, + LEGACY_METADATA_FILENAME) +from .util import (parse_requirement, cached_property, parse_name_and_version, + read_exports, write_exports, CSVReader, CSVWriter) + + +__all__ = ['Distribution', 'BaseInstalledDistribution', + 'InstalledDistribution', 'EggInfoDistribution', + 'DistributionPath'] + + +logger = logging.getLogger(__name__) + +EXPORTS_FILENAME = 'pydist-exports.json' +COMMANDS_FILENAME = 'pydist-commands.json' + +DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED', + 'RESOURCES', EXPORTS_FILENAME, 'SHARED') + +DISTINFO_EXT = '.dist-info' + + +class _Cache(object): + """ + A simple cache mapping names and .dist-info paths to distributions + """ + def __init__(self): + """ + Initialise an instance. There is normally one for each DistributionPath. + """ + self.name = {} + self.path = {} + self.generated = False + + def clear(self): + """ + Clear the cache, setting it to its initial state. + """ + self.name.clear() + self.path.clear() + self.generated = False + + def add(self, dist): + """ + Add a distribution to the cache. + :param dist: The distribution to add. + """ + if dist.path not in self.path: + self.path[dist.path] = dist + self.name.setdefault(dist.key, []).append(dist) + + +class DistributionPath(object): + """ + Represents a set of distributions installed on a path (typically sys.path). + """ + def __init__(self, path=None, include_egg=False): + """ + Create an instance from a path, optionally including legacy (distutils/ + setuptools/distribute) distributions. + :param path: The path to use, as a list of directories. If not specified, + sys.path is used. + :param include_egg: If True, this instance will look for and return legacy + distributions as well as those based on PEP 376. + """ + if path is None: + path = sys.path + self.path = path + self._include_dist = True + self._include_egg = include_egg + + self._cache = _Cache() + self._cache_egg = _Cache() + self._cache_enabled = True + self._scheme = get_scheme('default') + + def _get_cache_enabled(self): + return self._cache_enabled + + def _set_cache_enabled(self, value): + self._cache_enabled = value + + cache_enabled = property(_get_cache_enabled, _set_cache_enabled) + + def clear_cache(self): + """ + Clears the internal cache. + """ + self._cache.clear() + self._cache_egg.clear() + + + def _yield_distributions(self): + """ + Yield .dist-info and/or .egg(-info) distributions. + """ + # We need to check if we've seen some resources already, because on + # some Linux systems (e.g. some Debian/Ubuntu variants) there are + # symlinks which alias other files in the environment. + seen = set() + for path in self.path: + finder = resources.finder_for_path(path) + if finder is None: + continue + r = finder.find('') + if not r or not r.is_container: + continue + rset = sorted(r.resources) + for entry in rset: + r = finder.find(entry) + if not r or r.path in seen: + continue + if self._include_dist and entry.endswith(DISTINFO_EXT): + possible_filenames = [METADATA_FILENAME, + WHEEL_METADATA_FILENAME, + LEGACY_METADATA_FILENAME] + for metadata_filename in possible_filenames: + metadata_path = posixpath.join(entry, metadata_filename) + pydist = finder.find(metadata_path) + if pydist: + break + else: + continue + + with contextlib.closing(pydist.as_stream()) as stream: + metadata = Metadata(fileobj=stream, scheme='legacy') + logger.debug('Found %s', r.path) + seen.add(r.path) + yield new_dist_class(r.path, metadata=metadata, + env=self) + elif self._include_egg and entry.endswith(('.egg-info', + '.egg')): + logger.debug('Found %s', r.path) + seen.add(r.path) + yield old_dist_class(r.path, self) + + def _generate_cache(self): + """ + Scan the path for distributions and populate the cache with + those that are found. + """ + gen_dist = not self._cache.generated + gen_egg = self._include_egg and not self._cache_egg.generated + if gen_dist or gen_egg: + for dist in self._yield_distributions(): + if isinstance(dist, InstalledDistribution): + self._cache.add(dist) + else: + self._cache_egg.add(dist) + + if gen_dist: + self._cache.generated = True + if gen_egg: + self._cache_egg.generated = True + + @classmethod + def distinfo_dirname(cls, name, version): + """ + The *name* and *version* parameters are converted into their + filename-escaped form, i.e. any ``'-'`` characters are replaced + with ``'_'`` other than the one in ``'dist-info'`` and the one + separating the name from the version number. + + :parameter name: is converted to a standard distribution name by replacing + any runs of non- alphanumeric characters with a single + ``'-'``. + :type name: string + :parameter version: is converted to a standard version string. Spaces + become dots, and all other non-alphanumeric characters + (except dots) become dashes, with runs of multiple + dashes condensed to a single dash. + :type version: string + :returns: directory name + :rtype: string""" + name = name.replace('-', '_') + return '-'.join([name, version]) + DISTINFO_EXT + + def get_distributions(self): + """ + Provides an iterator that looks for distributions and returns + :class:`InstalledDistribution` or + :class:`EggInfoDistribution` instances for each one of them. + + :rtype: iterator of :class:`InstalledDistribution` and + :class:`EggInfoDistribution` instances + """ + if not self._cache_enabled: + for dist in self._yield_distributions(): + yield dist + else: + self._generate_cache() + + for dist in self._cache.path.values(): + yield dist + + if self._include_egg: + for dist in self._cache_egg.path.values(): + yield dist + + def get_distribution(self, name): + """ + Looks for a named distribution on the path. + + This function only returns the first result found, as no more than one + value is expected. If nothing is found, ``None`` is returned. + + :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` + or ``None`` + """ + result = None + name = name.lower() + if not self._cache_enabled: + for dist in self._yield_distributions(): + if dist.key == name: + result = dist + break + else: + self._generate_cache() + + if name in self._cache.name: + result = self._cache.name[name][0] + elif self._include_egg and name in self._cache_egg.name: + result = self._cache_egg.name[name][0] + return result + + def provides_distribution(self, name, version=None): + """ + Iterates over all distributions to find which distributions provide *name*. + If a *version* is provided, it will be used to filter the results. + + This function only returns the first result found, since no more than + one values are expected. If the directory is not found, returns ``None``. + + :parameter version: a version specifier that indicates the version + required, conforming to the format in ``PEP-345`` + + :type name: string + :type version: string + """ + matcher = None + if version is not None: + try: + matcher = self._scheme.matcher('%s (%s)' % (name, version)) + except ValueError: + raise DistlibException('invalid name or version: %r, %r' % + (name, version)) + + for dist in self.get_distributions(): + # We hit a problem on Travis where enum34 was installed and doesn't + # have a provides attribute ... + if not hasattr(dist, 'provides'): + logger.debug('No "provides": %s', dist) + else: + provided = dist.provides + + for p in provided: + p_name, p_ver = parse_name_and_version(p) + if matcher is None: + if p_name == name: + yield dist + break + else: + if p_name == name and matcher.match(p_ver): + yield dist + break + + def get_file_path(self, name, relative_path): + """ + Return the path to a resource file. + """ + dist = self.get_distribution(name) + if dist is None: + raise LookupError('no distribution named %r found' % name) + return dist.get_resource_path(relative_path) + + def get_exported_entries(self, category, name=None): + """ + Return all of the exported entries in a particular category. + + :param category: The category to search for entries. + :param name: If specified, only entries with that name are returned. + """ + for dist in self.get_distributions(): + r = dist.exports + if category in r: + d = r[category] + if name is not None: + if name in d: + yield d[name] + else: + for v in d.values(): + yield v + + +class Distribution(object): + """ + A base class for distributions, whether installed or from indexes. + Either way, it must have some metadata, so that's all that's needed + for construction. + """ + + build_time_dependency = False + """ + Set to True if it's known to be only a build-time dependency (i.e. + not needed after installation). + """ + + requested = False + """A boolean that indicates whether the ``REQUESTED`` metadata file is + present (in other words, whether the package was installed by user + request or it was installed as a dependency).""" + + def __init__(self, metadata): + """ + Initialise an instance. + :param metadata: The instance of :class:`Metadata` describing this + distribution. + """ + self.metadata = metadata + self.name = metadata.name + self.key = self.name.lower() # for case-insensitive comparisons + self.version = metadata.version + self.locator = None + self.digest = None + self.extras = None # additional features requested + self.context = None # environment marker overrides + self.download_urls = set() + self.digests = {} + + @property + def source_url(self): + """ + The source archive download URL for this distribution. + """ + return self.metadata.source_url + + download_url = source_url # Backward compatibility + + @property + def name_and_version(self): + """ + A utility property which displays the name and version in parentheses. + """ + return '%s (%s)' % (self.name, self.version) + + @property + def provides(self): + """ + A set of distribution names and versions provided by this distribution. + :return: A set of "name (version)" strings. + """ + plist = self.metadata.provides + s = '%s (%s)' % (self.name, self.version) + if s not in plist: + plist.append(s) + return plist + + def _get_requirements(self, req_attr): + md = self.metadata + logger.debug('Getting requirements from metadata %r', md.todict()) + reqts = getattr(md, req_attr) + return set(md.get_requirements(reqts, extras=self.extras, + env=self.context)) + + @property + def run_requires(self): + return self._get_requirements('run_requires') + + @property + def meta_requires(self): + return self._get_requirements('meta_requires') + + @property + def build_requires(self): + return self._get_requirements('build_requires') + + @property + def test_requires(self): + return self._get_requirements('test_requires') + + @property + def dev_requires(self): + return self._get_requirements('dev_requires') + + def matches_requirement(self, req): + """ + Say if this instance matches (fulfills) a requirement. + :param req: The requirement to match. + :rtype req: str + :return: True if it matches, else False. + """ + # Requirement may contain extras - parse to lose those + # from what's passed to the matcher + r = parse_requirement(req) + scheme = get_scheme(self.metadata.scheme) + try: + matcher = scheme.matcher(r.requirement) + except UnsupportedVersionError: + # XXX compat-mode if cannot read the version + logger.warning('could not read version %r - using name only', + req) + name = req.split()[0] + matcher = scheme.matcher(name) + + name = matcher.key # case-insensitive + + result = False + for p in self.provides: + p_name, p_ver = parse_name_and_version(p) + if p_name != name: + continue + try: + result = matcher.match(p_ver) + break + except UnsupportedVersionError: + pass + return result + + def __repr__(self): + """ + Return a textual representation of this instance, + """ + if self.source_url: + suffix = ' [%s]' % self.source_url + else: + suffix = '' + return '<Distribution %s (%s)%s>' % (self.name, self.version, suffix) + + def __eq__(self, other): + """ + See if this distribution is the same as another. + :param other: The distribution to compare with. To be equal to one + another. distributions must have the same type, name, + version and source_url. + :return: True if it is the same, else False. + """ + if type(other) is not type(self): + result = False + else: + result = (self.name == other.name and + self.version == other.version and + self.source_url == other.source_url) + return result + + def __hash__(self): + """ + Compute hash in a way which matches the equality test. + """ + return hash(self.name) + hash(self.version) + hash(self.source_url) + + +class BaseInstalledDistribution(Distribution): + """ + This is the base class for installed distributions (whether PEP 376 or + legacy). + """ + + hasher = None + + def __init__(self, metadata, path, env=None): + """ + Initialise an instance. + :param metadata: An instance of :class:`Metadata` which describes the + distribution. This will normally have been initialised + from a metadata file in the ``path``. + :param path: The path of the ``.dist-info`` or ``.egg-info`` + directory for the distribution. + :param env: This is normally the :class:`DistributionPath` + instance where this distribution was found. + """ + super(BaseInstalledDistribution, self).__init__(metadata) + self.path = path + self.dist_path = env + + def get_hash(self, data, hasher=None): + """ + Get the hash of some data, using a particular hash algorithm, if + specified. + + :param data: The data to be hashed. + :type data: bytes + :param hasher: The name of a hash implementation, supported by hashlib, + or ``None``. Examples of valid values are ``'sha1'``, + ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and + ``'sha512'``. If no hasher is specified, the ``hasher`` + attribute of the :class:`InstalledDistribution` instance + is used. If the hasher is determined to be ``None``, MD5 + is used as the hashing algorithm. + :returns: The hash of the data. If a hasher was explicitly specified, + the returned hash will be prefixed with the specified hasher + followed by '='. + :rtype: str + """ + if hasher is None: + hasher = self.hasher + if hasher is None: + hasher = hashlib.md5 + prefix = '' + else: + hasher = getattr(hashlib, hasher) + prefix = '%s=' % self.hasher + digest = hasher(data).digest() + digest = base64.urlsafe_b64encode(digest).rstrip(b'=').decode('ascii') + return '%s%s' % (prefix, digest) + + +class InstalledDistribution(BaseInstalledDistribution): + """ + Created with the *path* of the ``.dist-info`` directory provided to the + constructor. It reads the metadata contained in ``pydist.json`` when it is + instantiated., or uses a passed in Metadata instance (useful for when + dry-run mode is being used). + """ + + hasher = 'sha256' + + def __init__(self, path, metadata=None, env=None): + self.modules = [] + self.finder = finder = resources.finder_for_path(path) + if finder is None: + raise ValueError('finder unavailable for %s' % path) + if env and env._cache_enabled and path in env._cache.path: + metadata = env._cache.path[path].metadata + elif metadata is None: + r = finder.find(METADATA_FILENAME) + # Temporary - for Wheel 0.23 support + if r is None: + r = finder.find(WHEEL_METADATA_FILENAME) + # Temporary - for legacy support + if r is None: + r = finder.find('METADATA') + if r is None: + raise ValueError('no %s found in %s' % (METADATA_FILENAME, + path)) + with contextlib.closing(r.as_stream()) as stream: + metadata = Metadata(fileobj=stream, scheme='legacy') + + super(InstalledDistribution, self).__init__(metadata, path, env) + + if env and env._cache_enabled: + env._cache.add(self) + + r = finder.find('REQUESTED') + self.requested = r is not None + p = os.path.join(path, 'top_level.txt') + if os.path.exists(p): + with open(p, 'rb') as f: + data = f.read() + self.modules = data.splitlines() + + def __repr__(self): + return '<InstalledDistribution %r %s at %r>' % ( + self.name, self.version, self.path) + + def __str__(self): + return "%s %s" % (self.name, self.version) + + def _get_records(self): + """ + Get the list of installed files for the distribution + :return: A list of tuples of path, hash and size. Note that hash and + size might be ``None`` for some entries. The path is exactly + as stored in the file (which is as in PEP 376). + """ + results = [] + r = self.get_distinfo_resource('RECORD') + with contextlib.closing(r.as_stream()) as stream: + with CSVReader(stream=stream) as record_reader: + # Base location is parent dir of .dist-info dir + #base_location = os.path.dirname(self.path) + #base_location = os.path.abspath(base_location) + for row in record_reader: + missing = [None for i in range(len(row), 3)] + path, checksum, size = row + missing + #if not os.path.isabs(path): + # path = path.replace('/', os.sep) + # path = os.path.join(base_location, path) + results.append((path, checksum, size)) + return results + + @cached_property + def exports(self): + """ + Return the information exported by this distribution. + :return: A dictionary of exports, mapping an export category to a dict + of :class:`ExportEntry` instances describing the individual + export entries, and keyed by name. + """ + result = {} + r = self.get_distinfo_resource(EXPORTS_FILENAME) + if r: + result = self.read_exports() + return result + + def read_exports(self): + """ + Read exports data from a file in .ini format. + + :return: A dictionary of exports, mapping an export category to a list + of :class:`ExportEntry` instances describing the individual + export entries. + """ + result = {} + r = self.get_distinfo_resource(EXPORTS_FILENAME) + if r: + with contextlib.closing(r.as_stream()) as stream: + result = read_exports(stream) + return result + + def write_exports(self, exports): + """ + Write a dictionary of exports to a file in .ini format. + :param exports: A dictionary of exports, mapping an export category to + a list of :class:`ExportEntry` instances describing the + individual export entries. + """ + rf = self.get_distinfo_file(EXPORTS_FILENAME) + with open(rf, 'w') as f: + write_exports(exports, f) + + def get_resource_path(self, relative_path): + """ + NOTE: This API may change in the future. + + Return the absolute path to a resource file with the given relative + path. + + :param relative_path: The path, relative to .dist-info, of the resource + of interest. + :return: The absolute path where the resource is to be found. + """ + r = self.get_distinfo_resource('RESOURCES') + with contextlib.closing(r.as_stream()) as stream: + with CSVReader(stream=stream) as resources_reader: + for relative, destination in resources_reader: + if relative == relative_path: + return destination + raise KeyError('no resource file with relative path %r ' + 'is installed' % relative_path) + + def list_installed_files(self): + """ + Iterates over the ``RECORD`` entries and returns a tuple + ``(path, hash, size)`` for each line. + + :returns: iterator of (path, hash, size) + """ + for result in self._get_records(): + yield result + + def write_installed_files(self, paths, prefix, dry_run=False): + """ + Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any + existing ``RECORD`` file is silently overwritten. + + prefix is used to determine when to write absolute paths. + """ + prefix = os.path.join(prefix, '') + base = os.path.dirname(self.path) + base_under_prefix = base.startswith(prefix) + base = os.path.join(base, '') + record_path = self.get_distinfo_file('RECORD') + logger.info('creating %s', record_path) + if dry_run: + return None + with CSVWriter(record_path) as writer: + for path in paths: + if os.path.isdir(path) or path.endswith(('.pyc', '.pyo')): + # do not put size and hash, as in PEP-376 + hash_value = size = '' + else: + size = '%d' % os.path.getsize(path) + with open(path, 'rb') as fp: + hash_value = self.get_hash(fp.read()) + if path.startswith(base) or (base_under_prefix and + path.startswith(prefix)): + path = os.path.relpath(path, base) + writer.writerow((path, hash_value, size)) + + # add the RECORD file itself + if record_path.startswith(base): + record_path = os.path.relpath(record_path, base) + writer.writerow((record_path, '', '')) + return record_path + + def check_installed_files(self): + """ + Checks that the hashes and sizes of the files in ``RECORD`` are + matched by the files themselves. Returns a (possibly empty) list of + mismatches. Each entry in the mismatch list will be a tuple consisting + of the path, 'exists', 'size' or 'hash' according to what didn't match + (existence is checked first, then size, then hash), the expected + value and the actual value. + """ + mismatches = [] + base = os.path.dirname(self.path) + record_path = self.get_distinfo_file('RECORD') + for path, hash_value, size in self.list_installed_files(): + if not os.path.isabs(path): + path = os.path.join(base, path) + if path == record_path: + continue + if not os.path.exists(path): + mismatches.append((path, 'exists', True, False)) + elif os.path.isfile(path): + actual_size = str(os.path.getsize(path)) + if size and actual_size != size: + mismatches.append((path, 'size', size, actual_size)) + elif hash_value: + if '=' in hash_value: + hasher = hash_value.split('=', 1)[0] + else: + hasher = None + + with open(path, 'rb') as f: + actual_hash = self.get_hash(f.read(), hasher) + if actual_hash != hash_value: + mismatches.append((path, 'hash', hash_value, actual_hash)) + return mismatches + + @cached_property + def shared_locations(self): + """ + A dictionary of shared locations whose keys are in the set 'prefix', + 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. + The corresponding value is the absolute path of that category for + this distribution, and takes into account any paths selected by the + user at installation time (e.g. via command-line arguments). In the + case of the 'namespace' key, this would be a list of absolute paths + for the roots of namespace packages in this distribution. + + The first time this property is accessed, the relevant information is + read from the SHARED file in the .dist-info directory. + """ + result = {} + shared_path = os.path.join(self.path, 'SHARED') + if os.path.isfile(shared_path): + with codecs.open(shared_path, 'r', encoding='utf-8') as f: + lines = f.read().splitlines() + for line in lines: + key, value = line.split('=', 1) + if key == 'namespace': + result.setdefault(key, []).append(value) + else: + result[key] = value + return result + + def write_shared_locations(self, paths, dry_run=False): + """ + Write shared location information to the SHARED file in .dist-info. + :param paths: A dictionary as described in the documentation for + :meth:`shared_locations`. + :param dry_run: If True, the action is logged but no file is actually + written. + :return: The path of the file written to. + """ + shared_path = os.path.join(self.path, 'SHARED') + logger.info('creating %s', shared_path) + if dry_run: + return None + lines = [] + for key in ('prefix', 'lib', 'headers', 'scripts', 'data'): + path = paths[key] + if os.path.isdir(paths[key]): + lines.append('%s=%s' % (key, path)) + for ns in paths.get('namespace', ()): + lines.append('namespace=%s' % ns) + + with codecs.open(shared_path, 'w', encoding='utf-8') as f: + f.write('\n'.join(lines)) + return shared_path + + def get_distinfo_resource(self, path): + if path not in DIST_FILES: + raise DistlibException('invalid path for a dist-info file: ' + '%r at %r' % (path, self.path)) + finder = resources.finder_for_path(self.path) + if finder is None: + raise DistlibException('Unable to get a finder for %s' % self.path) + return finder.find(path) + + def get_distinfo_file(self, path): + """ + Returns a path located under the ``.dist-info`` directory. Returns a + string representing the path. + + :parameter path: a ``'/'``-separated path relative to the + ``.dist-info`` directory or an absolute path; + If *path* is an absolute path and doesn't start + with the ``.dist-info`` directory path, + a :class:`DistlibException` is raised + :type path: str + :rtype: str + """ + # Check if it is an absolute path # XXX use relpath, add tests + if path.find(os.sep) >= 0: + # it's an absolute path? + distinfo_dirname, path = path.split(os.sep)[-2:] + if distinfo_dirname != self.path.split(os.sep)[-1]: + raise DistlibException( + 'dist-info file %r does not belong to the %r %s ' + 'distribution' % (path, self.name, self.version)) + + # The file must be relative + if path not in DIST_FILES: + raise DistlibException('invalid path for a dist-info file: ' + '%r at %r' % (path, self.path)) + + return os.path.join(self.path, path) + + def list_distinfo_files(self): + """ + Iterates over the ``RECORD`` entries and returns paths for each line if + the path is pointing to a file located in the ``.dist-info`` directory + or one of its subdirectories. + + :returns: iterator of paths + """ + base = os.path.dirname(self.path) + for path, checksum, size in self._get_records(): + # XXX add separator or use real relpath algo + if not os.path.isabs(path): + path = os.path.join(base, path) + if path.startswith(self.path): + yield path + + def __eq__(self, other): + return (isinstance(other, InstalledDistribution) and + self.path == other.path) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + __hash__ = object.__hash__ + + +class EggInfoDistribution(BaseInstalledDistribution): + """Created with the *path* of the ``.egg-info`` directory or file provided + to the constructor. It reads the metadata contained in the file itself, or + if the given path happens to be a directory, the metadata is read from the + file ``PKG-INFO`` under that directory.""" + + requested = True # as we have no way of knowing, assume it was + shared_locations = {} + + def __init__(self, path, env=None): + def set_name_and_version(s, n, v): + s.name = n + s.key = n.lower() # for case-insensitive comparisons + s.version = v + + self.path = path + self.dist_path = env + if env and env._cache_enabled and path in env._cache_egg.path: + metadata = env._cache_egg.path[path].metadata + set_name_and_version(self, metadata.name, metadata.version) + else: + metadata = self._get_metadata(path) + + # Need to be set before caching + set_name_and_version(self, metadata.name, metadata.version) + + if env and env._cache_enabled: + env._cache_egg.add(self) + super(EggInfoDistribution, self).__init__(metadata, path, env) + + def _get_metadata(self, path): + requires = None + + def parse_requires_data(data): + """Create a list of dependencies from a requires.txt file. + + *data*: the contents of a setuptools-produced requires.txt file. + """ + reqs = [] + lines = data.splitlines() + for line in lines: + line = line.strip() + if line.startswith('['): + logger.warning('Unexpected line: quitting requirement scan: %r', + line) + break + r = parse_requirement(line) + if not r: + logger.warning('Not recognised as a requirement: %r', line) + continue + if r.extras: + logger.warning('extra requirements in requires.txt are ' + 'not supported') + if not r.constraints: + reqs.append(r.name) + else: + cons = ', '.join('%s%s' % c for c in r.constraints) + reqs.append('%s (%s)' % (r.name, cons)) + return reqs + + def parse_requires_path(req_path): + """Create a list of dependencies from a requires.txt file. + + *req_path*: the path to a setuptools-produced requires.txt file. + """ + + reqs = [] + try: + with codecs.open(req_path, 'r', 'utf-8') as fp: + reqs = parse_requires_data(fp.read()) + except IOError: + pass + return reqs + + tl_path = tl_data = None + if path.endswith('.egg'): + if os.path.isdir(path): + p = os.path.join(path, 'EGG-INFO') + meta_path = os.path.join(p, 'PKG-INFO') + metadata = Metadata(path=meta_path, scheme='legacy') + req_path = os.path.join(p, 'requires.txt') + tl_path = os.path.join(p, 'top_level.txt') + requires = parse_requires_path(req_path) + else: + # FIXME handle the case where zipfile is not available + zipf = zipimport.zipimporter(path) + fileobj = StringIO( + zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8')) + metadata = Metadata(fileobj=fileobj, scheme='legacy') + try: + data = zipf.get_data('EGG-INFO/requires.txt') + tl_data = zipf.get_data('EGG-INFO/top_level.txt').decode('utf-8') + requires = parse_requires_data(data.decode('utf-8')) + except IOError: + requires = None + elif path.endswith('.egg-info'): + if os.path.isdir(path): + req_path = os.path.join(path, 'requires.txt') + requires = parse_requires_path(req_path) + path = os.path.join(path, 'PKG-INFO') + tl_path = os.path.join(path, 'top_level.txt') + metadata = Metadata(path=path, scheme='legacy') + else: + raise DistlibException('path must end with .egg-info or .egg, ' + 'got %r' % path) + + if requires: + metadata.add_requirements(requires) + # look for top-level modules in top_level.txt, if present + if tl_data is None: + if tl_path is not None and os.path.exists(tl_path): + with open(tl_path, 'rb') as f: + tl_data = f.read().decode('utf-8') + if not tl_data: + tl_data = [] + else: + tl_data = tl_data.splitlines() + self.modules = tl_data + return metadata + + def __repr__(self): + return '<EggInfoDistribution %r %s at %r>' % ( + self.name, self.version, self.path) + + def __str__(self): + return "%s %s" % (self.name, self.version) + + def check_installed_files(self): + """ + Checks that the hashes and sizes of the files in ``RECORD`` are + matched by the files themselves. Returns a (possibly empty) list of + mismatches. Each entry in the mismatch list will be a tuple consisting + of the path, 'exists', 'size' or 'hash' according to what didn't match + (existence is checked first, then size, then hash), the expected + value and the actual value. + """ + mismatches = [] + record_path = os.path.join(self.path, 'installed-files.txt') + if os.path.exists(record_path): + for path, _, _ in self.list_installed_files(): + if path == record_path: + continue + if not os.path.exists(path): + mismatches.append((path, 'exists', True, False)) + return mismatches + + def list_installed_files(self): + """ + Iterates over the ``installed-files.txt`` entries and returns a tuple + ``(path, hash, size)`` for each line. + + :returns: a list of (path, hash, size) + """ + + def _md5(path): + f = open(path, 'rb') + try: + content = f.read() + finally: + f.close() + return hashlib.md5(content).hexdigest() + + def _size(path): + return os.stat(path).st_size + + record_path = os.path.join(self.path, 'installed-files.txt') + result = [] + if os.path.exists(record_path): + with codecs.open(record_path, 'r', encoding='utf-8') as f: + for line in f: + line = line.strip() + p = os.path.normpath(os.path.join(self.path, line)) + # "./" is present as a marker between installed files + # and installation metadata files + if not os.path.exists(p): + logger.warning('Non-existent file: %s', p) + if p.endswith(('.pyc', '.pyo')): + continue + #otherwise fall through and fail + if not os.path.isdir(p): + result.append((p, _md5(p), _size(p))) + result.append((record_path, None, None)) + return result + + def list_distinfo_files(self, absolute=False): + """ + Iterates over the ``installed-files.txt`` entries and returns paths for + each line if the path is pointing to a file located in the + ``.egg-info`` directory or one of its subdirectories. + + :parameter absolute: If *absolute* is ``True``, each returned path is + transformed into a local absolute path. Otherwise the + raw value from ``installed-files.txt`` is returned. + :type absolute: boolean + :returns: iterator of paths + """ + record_path = os.path.join(self.path, 'installed-files.txt') + if os.path.exists(record_path): + skip = True + with codecs.open(record_path, 'r', encoding='utf-8') as f: + for line in f: + line = line.strip() + if line == './': + skip = False + continue + if not skip: + p = os.path.normpath(os.path.join(self.path, line)) + if p.startswith(self.path): + if absolute: + yield p + else: + yield line + + def __eq__(self, other): + return (isinstance(other, EggInfoDistribution) and + self.path == other.path) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + __hash__ = object.__hash__ + +new_dist_class = InstalledDistribution +old_dist_class = EggInfoDistribution + + +class DependencyGraph(object): + """ + Represents a dependency graph between distributions. + + The dependency relationships are stored in an ``adjacency_list`` that maps + distributions to a list of ``(other, label)`` tuples where ``other`` + is a distribution and the edge is labeled with ``label`` (i.e. the version + specifier, if such was provided). Also, for more efficient traversal, for + every distribution ``x``, a list of predecessors is kept in + ``reverse_list[x]``. An edge from distribution ``a`` to + distribution ``b`` means that ``a`` depends on ``b``. If any missing + dependencies are found, they are stored in ``missing``, which is a + dictionary that maps distributions to a list of requirements that were not + provided by any other distributions. + """ + + def __init__(self): + self.adjacency_list = {} + self.reverse_list = {} + self.missing = {} + + def add_distribution(self, distribution): + """Add the *distribution* to the graph. + + :type distribution: :class:`distutils2.database.InstalledDistribution` + or :class:`distutils2.database.EggInfoDistribution` + """ + self.adjacency_list[distribution] = [] + self.reverse_list[distribution] = [] + #self.missing[distribution] = [] + + def add_edge(self, x, y, label=None): + """Add an edge from distribution *x* to distribution *y* with the given + *label*. + + :type x: :class:`distutils2.database.InstalledDistribution` or + :class:`distutils2.database.EggInfoDistribution` + :type y: :class:`distutils2.database.InstalledDistribution` or + :class:`distutils2.database.EggInfoDistribution` + :type label: ``str`` or ``None`` + """ + self.adjacency_list[x].append((y, label)) + # multiple edges are allowed, so be careful + if x not in self.reverse_list[y]: + self.reverse_list[y].append(x) + + def add_missing(self, distribution, requirement): + """ + Add a missing *requirement* for the given *distribution*. + + :type distribution: :class:`distutils2.database.InstalledDistribution` + or :class:`distutils2.database.EggInfoDistribution` + :type requirement: ``str`` + """ + logger.debug('%s missing %r', distribution, requirement) + self.missing.setdefault(distribution, []).append(requirement) + + def _repr_dist(self, dist): + return '%s %s' % (dist.name, dist.version) + + def repr_node(self, dist, level=1): + """Prints only a subgraph""" + output = [self._repr_dist(dist)] + for other, label in self.adjacency_list[dist]: + dist = self._repr_dist(other) + if label is not None: + dist = '%s [%s]' % (dist, label) + output.append(' ' * level + str(dist)) + suboutput = self.repr_node(other, level + 1) + subs = suboutput.split('\n') + output.extend(subs[1:]) + return '\n'.join(output) + + def to_dot(self, f, skip_disconnected=True): + """Writes a DOT output for the graph to the provided file *f*. + + If *skip_disconnected* is set to ``True``, then all distributions + that are not dependent on any other distribution are skipped. + + :type f: has to support ``file``-like operations + :type skip_disconnected: ``bool`` + """ + disconnected = [] + + f.write("digraph dependencies {\n") + for dist, adjs in self.adjacency_list.items(): + if len(adjs) == 0 and not skip_disconnected: + disconnected.append(dist) + for other, label in adjs: + if not label is None: + f.write('"%s" -> "%s" [label="%s"]\n' % + (dist.name, other.name, label)) + else: + f.write('"%s" -> "%s"\n' % (dist.name, other.name)) + if not skip_disconnected and len(disconnected) > 0: + f.write('subgraph disconnected {\n') + f.write('label = "Disconnected"\n') + f.write('bgcolor = red\n') + + for dist in disconnected: + f.write('"%s"' % dist.name) + f.write('\n') + f.write('}\n') + f.write('}\n') + + def topological_sort(self): + """ + Perform a topological sort of the graph. + :return: A tuple, the first element of which is a topologically sorted + list of distributions, and the second element of which is a + list of distributions that cannot be sorted because they have + circular dependencies and so form a cycle. + """ + result = [] + # Make a shallow copy of the adjacency list + alist = {} + for k, v in self.adjacency_list.items(): + alist[k] = v[:] + while True: + # See what we can remove in this run + to_remove = [] + for k, v in list(alist.items())[:]: + if not v: + to_remove.append(k) + del alist[k] + if not to_remove: + # What's left in alist (if anything) is a cycle. + break + # Remove from the adjacency list of others + for k, v in alist.items(): + alist[k] = [(d, r) for d, r in v if d not in to_remove] + logger.debug('Moving to result: %s', + ['%s (%s)' % (d.name, d.version) for d in to_remove]) + result.extend(to_remove) + return result, list(alist.keys()) + + def __repr__(self): + """Representation of the graph""" + output = [] + for dist, adjs in self.adjacency_list.items(): + output.append(self.repr_node(dist)) + return '\n'.join(output) + + +def make_graph(dists, scheme='default'): + """Makes a dependency graph from the given distributions. + + :parameter dists: a list of distributions + :type dists: list of :class:`distutils2.database.InstalledDistribution` and + :class:`distutils2.database.EggInfoDistribution` instances + :rtype: a :class:`DependencyGraph` instance + """ + scheme = get_scheme(scheme) + graph = DependencyGraph() + provided = {} # maps names to lists of (version, dist) tuples + + # first, build the graph and find out what's provided + for dist in dists: + graph.add_distribution(dist) + + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Add to provided: %s, %s, %s', name, version, dist) + provided.setdefault(name, []).append((version, dist)) + + # now make the edges + for dist in dists: + requires = (dist.run_requires | dist.meta_requires | + dist.build_requires | dist.dev_requires) + for req in requires: + try: + matcher = scheme.matcher(req) + except UnsupportedVersionError: + # XXX compat-mode if cannot read the version + logger.warning('could not read version %r - using name only', + req) + name = req.split()[0] + matcher = scheme.matcher(name) + + name = matcher.key # case-insensitive + + matched = False + if name in provided: + for version, provider in provided[name]: + try: + match = matcher.match(version) + except UnsupportedVersionError: + match = False + + if match: + graph.add_edge(dist, provider, req) + matched = True + break + if not matched: + graph.add_missing(dist, req) + return graph + + +def get_dependent_dists(dists, dist): + """Recursively generate a list of distributions from *dists* that are + dependent on *dist*. + + :param dists: a list of distributions + :param dist: a distribution, member of *dists* for which we are interested + """ + if dist not in dists: + raise DistlibException('given distribution %r is not a member ' + 'of the list' % dist.name) + graph = make_graph(dists) + + dep = [dist] # dependent distributions + todo = graph.reverse_list[dist] # list of nodes we should inspect + + while todo: + d = todo.pop() + dep.append(d) + for succ in graph.reverse_list[d]: + if succ not in dep: + todo.append(succ) + + dep.pop(0) # remove dist from dep, was there to prevent infinite loops + return dep + + +def get_required_dists(dists, dist): + """Recursively generate a list of distributions from *dists* that are + required by *dist*. + + :param dists: a list of distributions + :param dist: a distribution, member of *dists* for which we are interested + """ + if dist not in dists: + raise DistlibException('given distribution %r is not a member ' + 'of the list' % dist.name) + graph = make_graph(dists) + + req = [] # required distributions + todo = graph.adjacency_list[dist] # list of nodes we should inspect + + while todo: + d = todo.pop()[0] + req.append(d) + for pred in graph.adjacency_list[d]: + if pred not in req: + todo.append(pred) + + return req + + +def make_dist(name, version, **kwargs): + """ + A convenience method for making a dist given just a name and version. + """ + summary = kwargs.pop('summary', 'Placeholder for summary') + md = Metadata(**kwargs) + md.name = name + md.version = version + md.summary = summary or 'Placeholder for summary' + return Distribution(md) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/index.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/index.py new file mode 100644 index 0000000..2406be2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/index.py @@ -0,0 +1,516 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import hashlib +import logging +import os +import shutil +import subprocess +import tempfile +try: + from threading import Thread +except ImportError: + from dummy_threading import Thread + +from . import DistlibException +from .compat import (HTTPBasicAuthHandler, Request, HTTPPasswordMgr, + urlparse, build_opener, string_types) +from .util import cached_property, zip_dir, ServerProxy + +logger = logging.getLogger(__name__) + +DEFAULT_INDEX = 'https://pypi.python.org/pypi' +DEFAULT_REALM = 'pypi' + +class PackageIndex(object): + """ + This class represents a package index compatible with PyPI, the Python + Package Index. + """ + + boundary = b'----------ThIs_Is_tHe_distlib_index_bouNdaRY_$' + + def __init__(self, url=None): + """ + Initialise an instance. + + :param url: The URL of the index. If not specified, the URL for PyPI is + used. + """ + self.url = url or DEFAULT_INDEX + self.read_configuration() + scheme, netloc, path, params, query, frag = urlparse(self.url) + if params or query or frag or scheme not in ('http', 'https'): + raise DistlibException('invalid repository: %s' % self.url) + self.password_handler = None + self.ssl_verifier = None + self.gpg = None + self.gpg_home = None + with open(os.devnull, 'w') as sink: + # Use gpg by default rather than gpg2, as gpg2 insists on + # prompting for passwords + for s in ('gpg', 'gpg2'): + try: + rc = subprocess.check_call([s, '--version'], stdout=sink, + stderr=sink) + if rc == 0: + self.gpg = s + break + except OSError: + pass + + def _get_pypirc_command(self): + """ + Get the distutils command for interacting with PyPI configurations. + :return: the command. + """ + from distutils.core import Distribution + from distutils.config import PyPIRCCommand + d = Distribution() + return PyPIRCCommand(d) + + def read_configuration(self): + """ + Read the PyPI access configuration as supported by distutils, getting + PyPI to do the actual work. This populates ``username``, ``password``, + ``realm`` and ``url`` attributes from the configuration. + """ + # get distutils to do the work + c = self._get_pypirc_command() + c.repository = self.url + cfg = c._read_pypirc() + self.username = cfg.get('username') + self.password = cfg.get('password') + self.realm = cfg.get('realm', 'pypi') + self.url = cfg.get('repository', self.url) + + def save_configuration(self): + """ + Save the PyPI access configuration. You must have set ``username`` and + ``password`` attributes before calling this method. + + Again, distutils is used to do the actual work. + """ + self.check_credentials() + # get distutils to do the work + c = self._get_pypirc_command() + c._store_pypirc(self.username, self.password) + + def check_credentials(self): + """ + Check that ``username`` and ``password`` have been set, and raise an + exception if not. + """ + if self.username is None or self.password is None: + raise DistlibException('username and password must be set') + pm = HTTPPasswordMgr() + _, netloc, _, _, _, _ = urlparse(self.url) + pm.add_password(self.realm, netloc, self.username, self.password) + self.password_handler = HTTPBasicAuthHandler(pm) + + def register(self, metadata): + """ + Register a distribution on PyPI, using the provided metadata. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the distribution to be + registered. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + metadata.validate() + d = metadata.todict() + d[':action'] = 'verify' + request = self.encode_request(d.items(), []) + response = self.send_request(request) + d[':action'] = 'submit' + request = self.encode_request(d.items(), []) + return self.send_request(request) + + def _reader(self, name, stream, outbuf): + """ + Thread runner for reading lines of from a subprocess into a buffer. + + :param name: The logical name of the stream (used for logging only). + :param stream: The stream to read from. This will typically a pipe + connected to the output stream of a subprocess. + :param outbuf: The list to append the read lines to. + """ + while True: + s = stream.readline() + if not s: + break + s = s.decode('utf-8').rstrip() + outbuf.append(s) + logger.debug('%s: %s' % (name, s)) + stream.close() + + def get_sign_command(self, filename, signer, sign_password, + keystore=None): + """ + Return a suitable command for signing a file. + + :param filename: The pathname to the file to be signed. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :param keystore: The path to a directory which contains the keys + used in verification. If not specified, the + instance's ``gpg_home`` attribute is used instead. + :return: The signing command as a list suitable to be + passed to :class:`subprocess.Popen`. + """ + cmd = [self.gpg, '--status-fd', '2', '--no-tty'] + if keystore is None: + keystore = self.gpg_home + if keystore: + cmd.extend(['--homedir', keystore]) + if sign_password is not None: + cmd.extend(['--batch', '--passphrase-fd', '0']) + td = tempfile.mkdtemp() + sf = os.path.join(td, os.path.basename(filename) + '.asc') + cmd.extend(['--detach-sign', '--armor', '--local-user', + signer, '--output', sf, filename]) + logger.debug('invoking: %s', ' '.join(cmd)) + return cmd, sf + + def run_command(self, cmd, input_data=None): + """ + Run a command in a child process , passing it any input data specified. + + :param cmd: The command to run. + :param input_data: If specified, this must be a byte string containing + data to be sent to the child process. + :return: A tuple consisting of the subprocess' exit code, a list of + lines read from the subprocess' ``stdout``, and a list of + lines read from the subprocess' ``stderr``. + """ + kwargs = { + 'stdout': subprocess.PIPE, + 'stderr': subprocess.PIPE, + } + if input_data is not None: + kwargs['stdin'] = subprocess.PIPE + stdout = [] + stderr = [] + p = subprocess.Popen(cmd, **kwargs) + # We don't use communicate() here because we may need to + # get clever with interacting with the command + t1 = Thread(target=self._reader, args=('stdout', p.stdout, stdout)) + t1.start() + t2 = Thread(target=self._reader, args=('stderr', p.stderr, stderr)) + t2.start() + if input_data is not None: + p.stdin.write(input_data) + p.stdin.close() + + p.wait() + t1.join() + t2.join() + return p.returncode, stdout, stderr + + def sign_file(self, filename, signer, sign_password, keystore=None): + """ + Sign a file. + + :param filename: The pathname to the file to be signed. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :param keystore: The path to a directory which contains the keys + used in signing. If not specified, the instance's + ``gpg_home`` attribute is used instead. + :return: The absolute pathname of the file where the signature is + stored. + """ + cmd, sig_file = self.get_sign_command(filename, signer, sign_password, + keystore) + rc, stdout, stderr = self.run_command(cmd, + sign_password.encode('utf-8')) + if rc != 0: + raise DistlibException('sign command failed with error ' + 'code %s' % rc) + return sig_file + + def upload_file(self, metadata, filename, signer=None, sign_password=None, + filetype='sdist', pyversion='source', keystore=None): + """ + Upload a release file to the index. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the file to be uploaded. + :param filename: The pathname of the file to be uploaded. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :param filetype: The type of the file being uploaded. This is the + distutils command which produced that file, e.g. + ``sdist`` or ``bdist_wheel``. + :param pyversion: The version of Python which the release relates + to. For code compatible with any Python, this would + be ``source``, otherwise it would be e.g. ``3.2``. + :param keystore: The path to a directory which contains the keys + used in signing. If not specified, the instance's + ``gpg_home`` attribute is used instead. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + if not os.path.exists(filename): + raise DistlibException('not found: %s' % filename) + metadata.validate() + d = metadata.todict() + sig_file = None + if signer: + if not self.gpg: + logger.warning('no signing program available - not signed') + else: + sig_file = self.sign_file(filename, signer, sign_password, + keystore) + with open(filename, 'rb') as f: + file_data = f.read() + md5_digest = hashlib.md5(file_data).hexdigest() + sha256_digest = hashlib.sha256(file_data).hexdigest() + d.update({ + ':action': 'file_upload', + 'protocol_version': '1', + 'filetype': filetype, + 'pyversion': pyversion, + 'md5_digest': md5_digest, + 'sha256_digest': sha256_digest, + }) + files = [('content', os.path.basename(filename), file_data)] + if sig_file: + with open(sig_file, 'rb') as f: + sig_data = f.read() + files.append(('gpg_signature', os.path.basename(sig_file), + sig_data)) + shutil.rmtree(os.path.dirname(sig_file)) + request = self.encode_request(d.items(), files) + return self.send_request(request) + + def upload_documentation(self, metadata, doc_dir): + """ + Upload documentation to the index. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the documentation to be + uploaded. + :param doc_dir: The pathname of the directory which contains the + documentation. This should be the directory that + contains the ``index.html`` for the documentation. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + if not os.path.isdir(doc_dir): + raise DistlibException('not a directory: %r' % doc_dir) + fn = os.path.join(doc_dir, 'index.html') + if not os.path.exists(fn): + raise DistlibException('not found: %r' % fn) + metadata.validate() + name, version = metadata.name, metadata.version + zip_data = zip_dir(doc_dir).getvalue() + fields = [(':action', 'doc_upload'), + ('name', name), ('version', version)] + files = [('content', name, zip_data)] + request = self.encode_request(fields, files) + return self.send_request(request) + + def get_verify_command(self, signature_filename, data_filename, + keystore=None): + """ + Return a suitable command for verifying a file. + + :param signature_filename: The pathname to the file containing the + signature. + :param data_filename: The pathname to the file containing the + signed data. + :param keystore: The path to a directory which contains the keys + used in verification. If not specified, the + instance's ``gpg_home`` attribute is used instead. + :return: The verifying command as a list suitable to be + passed to :class:`subprocess.Popen`. + """ + cmd = [self.gpg, '--status-fd', '2', '--no-tty'] + if keystore is None: + keystore = self.gpg_home + if keystore: + cmd.extend(['--homedir', keystore]) + cmd.extend(['--verify', signature_filename, data_filename]) + logger.debug('invoking: %s', ' '.join(cmd)) + return cmd + + def verify_signature(self, signature_filename, data_filename, + keystore=None): + """ + Verify a signature for a file. + + :param signature_filename: The pathname to the file containing the + signature. + :param data_filename: The pathname to the file containing the + signed data. + :param keystore: The path to a directory which contains the keys + used in verification. If not specified, the + instance's ``gpg_home`` attribute is used instead. + :return: True if the signature was verified, else False. + """ + if not self.gpg: + raise DistlibException('verification unavailable because gpg ' + 'unavailable') + cmd = self.get_verify_command(signature_filename, data_filename, + keystore) + rc, stdout, stderr = self.run_command(cmd) + if rc not in (0, 1): + raise DistlibException('verify command failed with error ' + 'code %s' % rc) + return rc == 0 + + def download_file(self, url, destfile, digest=None, reporthook=None): + """ + This is a convenience method for downloading a file from an URL. + Normally, this will be a file from the index, though currently + no check is made for this (i.e. a file can be downloaded from + anywhere). + + The method is just like the :func:`urlretrieve` function in the + standard library, except that it allows digest computation to be + done during download and checking that the downloaded data + matched any expected value. + + :param url: The URL of the file to be downloaded (assumed to be + available via an HTTP GET request). + :param destfile: The pathname where the downloaded file is to be + saved. + :param digest: If specified, this must be a (hasher, value) + tuple, where hasher is the algorithm used (e.g. + ``'md5'``) and ``value`` is the expected value. + :param reporthook: The same as for :func:`urlretrieve` in the + standard library. + """ + if digest is None: + digester = None + logger.debug('No digest specified') + else: + if isinstance(digest, (list, tuple)): + hasher, digest = digest + else: + hasher = 'md5' + digester = getattr(hashlib, hasher)() + logger.debug('Digest specified: %s' % digest) + # The following code is equivalent to urlretrieve. + # We need to do it this way so that we can compute the + # digest of the file as we go. + with open(destfile, 'wb') as dfp: + # addinfourl is not a context manager on 2.x + # so we have to use try/finally + sfp = self.send_request(Request(url)) + try: + headers = sfp.info() + blocksize = 8192 + size = -1 + read = 0 + blocknum = 0 + if "content-length" in headers: + size = int(headers["Content-Length"]) + if reporthook: + reporthook(blocknum, blocksize, size) + while True: + block = sfp.read(blocksize) + if not block: + break + read += len(block) + dfp.write(block) + if digester: + digester.update(block) + blocknum += 1 + if reporthook: + reporthook(blocknum, blocksize, size) + finally: + sfp.close() + + # check that we got the whole file, if we can + if size >= 0 and read < size: + raise DistlibException( + 'retrieval incomplete: got only %d out of %d bytes' + % (read, size)) + # if we have a digest, it must match. + if digester: + actual = digester.hexdigest() + if digest != actual: + raise DistlibException('%s digest mismatch for %s: expected ' + '%s, got %s' % (hasher, destfile, + digest, actual)) + logger.debug('Digest verified: %s', digest) + + def send_request(self, req): + """ + Send a standard library :class:`Request` to PyPI and return its + response. + + :param req: The request to send. + :return: The HTTP response from PyPI (a standard library HTTPResponse). + """ + handlers = [] + if self.password_handler: + handlers.append(self.password_handler) + if self.ssl_verifier: + handlers.append(self.ssl_verifier) + opener = build_opener(*handlers) + return opener.open(req) + + def encode_request(self, fields, files): + """ + Encode fields and files for posting to an HTTP server. + + :param fields: The fields to send as a list of (fieldname, value) + tuples. + :param files: The files to send as a list of (fieldname, filename, + file_bytes) tuple. + """ + # Adapted from packaging, which in turn was adapted from + # http://code.activestate.com/recipes/146306 + + parts = [] + boundary = self.boundary + for k, values in fields: + if not isinstance(values, (list, tuple)): + values = [values] + + for v in values: + parts.extend(( + b'--' + boundary, + ('Content-Disposition: form-data; name="%s"' % + k).encode('utf-8'), + b'', + v.encode('utf-8'))) + for key, filename, value in files: + parts.extend(( + b'--' + boundary, + ('Content-Disposition: form-data; name="%s"; filename="%s"' % + (key, filename)).encode('utf-8'), + b'', + value)) + + parts.extend((b'--' + boundary + b'--', b'')) + + body = b'\r\n'.join(parts) + ct = b'multipart/form-data; boundary=' + boundary + headers = { + 'Content-type': ct, + 'Content-length': str(len(body)) + } + return Request(self.url, body, headers) + + def search(self, terms, operator=None): + if isinstance(terms, string_types): + terms = {'name': terms} + rpc_proxy = ServerProxy(self.url, timeout=3.0) + try: + return rpc_proxy.search(terms, operator or 'and') + finally: + rpc_proxy('close')() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/locators.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/locators.py new file mode 100644 index 0000000..5c655c3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/locators.py @@ -0,0 +1,1295 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2015 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# + +import gzip +from io import BytesIO +import json +import logging +import os +import posixpath +import re +try: + import threading +except ImportError: # pragma: no cover + import dummy_threading as threading +import zlib + +from . import DistlibException +from .compat import (urljoin, urlparse, urlunparse, url2pathname, pathname2url, + queue, quote, unescape, string_types, build_opener, + HTTPRedirectHandler as BaseRedirectHandler, text_type, + Request, HTTPError, URLError) +from .database import Distribution, DistributionPath, make_dist +from .metadata import Metadata, MetadataInvalidError +from .util import (cached_property, parse_credentials, ensure_slash, + split_filename, get_project_data, parse_requirement, + parse_name_and_version, ServerProxy, normalize_name) +from .version import get_scheme, UnsupportedVersionError +from .wheel import Wheel, is_compatible + +logger = logging.getLogger(__name__) + +HASHER_HASH = re.compile(r'^(\w+)=([a-f0-9]+)') +CHARSET = re.compile(r';\s*charset\s*=\s*(.*)\s*$', re.I) +HTML_CONTENT_TYPE = re.compile('text/html|application/x(ht)?ml') +DEFAULT_INDEX = 'https://pypi.python.org/pypi' + +def get_all_distribution_names(url=None): + """ + Return all distribution names known by an index. + :param url: The URL of the index. + :return: A list of all known distribution names. + """ + if url is None: + url = DEFAULT_INDEX + client = ServerProxy(url, timeout=3.0) + try: + return client.list_packages() + finally: + client('close')() + +class RedirectHandler(BaseRedirectHandler): + """ + A class to work around a bug in some Python 3.2.x releases. + """ + # There's a bug in the base version for some 3.2.x + # (e.g. 3.2.2 on Ubuntu Oneiric). If a Location header + # returns e.g. /abc, it bails because it says the scheme '' + # is bogus, when actually it should use the request's + # URL for the scheme. See Python issue #13696. + def http_error_302(self, req, fp, code, msg, headers): + # Some servers (incorrectly) return multiple Location headers + # (so probably same goes for URI). Use first header. + newurl = None + for key in ('location', 'uri'): + if key in headers: + newurl = headers[key] + break + if newurl is None: # pragma: no cover + return + urlparts = urlparse(newurl) + if urlparts.scheme == '': + newurl = urljoin(req.get_full_url(), newurl) + if hasattr(headers, 'replace_header'): + headers.replace_header(key, newurl) + else: + headers[key] = newurl + return BaseRedirectHandler.http_error_302(self, req, fp, code, msg, + headers) + + http_error_301 = http_error_303 = http_error_307 = http_error_302 + +class Locator(object): + """ + A base class for locators - things that locate distributions. + """ + source_extensions = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz') + binary_extensions = ('.egg', '.exe', '.whl') + excluded_extensions = ('.pdf',) + + # A list of tags indicating which wheels you want to match. The default + # value of None matches against the tags compatible with the running + # Python. If you want to match other values, set wheel_tags on a locator + # instance to a list of tuples (pyver, abi, arch) which you want to match. + wheel_tags = None + + downloadable_extensions = source_extensions + ('.whl',) + + def __init__(self, scheme='default'): + """ + Initialise an instance. + :param scheme: Because locators look for most recent versions, they + need to know the version scheme to use. This specifies + the current PEP-recommended scheme - use ``'legacy'`` + if you need to support existing distributions on PyPI. + """ + self._cache = {} + self.scheme = scheme + # Because of bugs in some of the handlers on some of the platforms, + # we use our own opener rather than just using urlopen. + self.opener = build_opener(RedirectHandler()) + # If get_project() is called from locate(), the matcher instance + # is set from the requirement passed to locate(). See issue #18 for + # why this can be useful to know. + self.matcher = None + self.errors = queue.Queue() + + def get_errors(self): + """ + Return any errors which have occurred. + """ + result = [] + while not self.errors.empty(): # pragma: no cover + try: + e = self.errors.get(False) + result.append(e) + except self.errors.Empty: + continue + self.errors.task_done() + return result + + def clear_errors(self): + """ + Clear any errors which may have been logged. + """ + # Just get the errors and throw them away + self.get_errors() + + def clear_cache(self): + self._cache.clear() + + def _get_scheme(self): + return self._scheme + + def _set_scheme(self, value): + self._scheme = value + + scheme = property(_get_scheme, _set_scheme) + + def _get_project(self, name): + """ + For a given project, get a dictionary mapping available versions to Distribution + instances. + + This should be implemented in subclasses. + + If called from a locate() request, self.matcher will be set to a + matcher for the requirement to satisfy, otherwise it will be None. + """ + raise NotImplementedError('Please implement in the subclass') + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Please implement in the subclass') + + def get_project(self, name): + """ + For a given project, get a dictionary mapping available versions to Distribution + instances. + + This calls _get_project to do all the work, and just implements a caching layer on top. + """ + if self._cache is None: # pragma: no cover + result = self._get_project(name) + elif name in self._cache: + result = self._cache[name] + else: + self.clear_errors() + result = self._get_project(name) + self._cache[name] = result + return result + + def score_url(self, url): + """ + Give an url a score which can be used to choose preferred URLs + for a given project release. + """ + t = urlparse(url) + basename = posixpath.basename(t.path) + compatible = True + is_wheel = basename.endswith('.whl') + is_downloadable = basename.endswith(self.downloadable_extensions) + if is_wheel: + compatible = is_compatible(Wheel(basename), self.wheel_tags) + return (t.scheme == 'https', 'pypi.python.org' in t.netloc, + is_downloadable, is_wheel, compatible, basename) + + def prefer_url(self, url1, url2): + """ + Choose one of two URLs where both are candidates for distribution + archives for the same version of a distribution (for example, + .tar.gz vs. zip). + + The current implementation favours https:// URLs over http://, archives + from PyPI over those from other locations, wheel compatibility (if a + wheel) and then the archive name. + """ + result = url2 + if url1: + s1 = self.score_url(url1) + s2 = self.score_url(url2) + if s1 > s2: + result = url1 + if result != url2: + logger.debug('Not replacing %r with %r', url1, url2) + else: + logger.debug('Replacing %r with %r', url1, url2) + return result + + def split_filename(self, filename, project_name): + """ + Attempt to split a filename in project name, version and Python version. + """ + return split_filename(filename, project_name) + + def convert_url_to_download_info(self, url, project_name): + """ + See if a URL is a candidate for a download URL for a project (the URL + has typically been scraped from an HTML page). + + If it is, a dictionary is returned with keys "name", "version", + "filename" and "url"; otherwise, None is returned. + """ + def same_project(name1, name2): + return normalize_name(name1) == normalize_name(name2) + + result = None + scheme, netloc, path, params, query, frag = urlparse(url) + if frag.lower().startswith('egg='): # pragma: no cover + logger.debug('%s: version hint in fragment: %r', + project_name, frag) + m = HASHER_HASH.match(frag) + if m: + algo, digest = m.groups() + else: + algo, digest = None, None + origpath = path + if path and path[-1] == '/': # pragma: no cover + path = path[:-1] + if path.endswith('.whl'): + try: + wheel = Wheel(path) + if not is_compatible(wheel, self.wheel_tags): + logger.debug('Wheel not compatible: %s', path) + else: + if project_name is None: + include = True + else: + include = same_project(wheel.name, project_name) + if include: + result = { + 'name': wheel.name, + 'version': wheel.version, + 'filename': wheel.filename, + 'url': urlunparse((scheme, netloc, origpath, + params, query, '')), + 'python-version': ', '.join( + ['.'.join(list(v[2:])) for v in wheel.pyver]), + } + except Exception as e: # pragma: no cover + logger.warning('invalid path for wheel: %s', path) + elif not path.endswith(self.downloadable_extensions): # pragma: no cover + logger.debug('Not downloadable: %s', path) + else: # downloadable extension + path = filename = posixpath.basename(path) + for ext in self.downloadable_extensions: + if path.endswith(ext): + path = path[:-len(ext)] + t = self.split_filename(path, project_name) + if not t: # pragma: no cover + logger.debug('No match for project/version: %s', path) + else: + name, version, pyver = t + if not project_name or same_project(project_name, name): + result = { + 'name': name, + 'version': version, + 'filename': filename, + 'url': urlunparse((scheme, netloc, origpath, + params, query, '')), + #'packagetype': 'sdist', + } + if pyver: # pragma: no cover + result['python-version'] = pyver + break + if result and algo: + result['%s_digest' % algo] = digest + return result + + def _get_digest(self, info): + """ + Get a digest from a dictionary by looking at keys of the form + 'algo_digest'. + + Returns a 2-tuple (algo, digest) if found, else None. Currently + looks only for SHA256, then MD5. + """ + result = None + for algo in ('sha256', 'md5'): + key = '%s_digest' % algo + if key in info: + result = (algo, info[key]) + break + return result + + def _update_version_data(self, result, info): + """ + Update a result dictionary (the final result from _get_project) with a + dictionary for a specific version, which typically holds information + gleaned from a filename or URL for an archive for the distribution. + """ + name = info.pop('name') + version = info.pop('version') + if version in result: + dist = result[version] + md = dist.metadata + else: + dist = make_dist(name, version, scheme=self.scheme) + md = dist.metadata + dist.digest = digest = self._get_digest(info) + url = info['url'] + result['digests'][url] = digest + if md.source_url != info['url']: + md.source_url = self.prefer_url(md.source_url, url) + result['urls'].setdefault(version, set()).add(url) + dist.locator = self + result[version] = dist + + def locate(self, requirement, prereleases=False): + """ + Find the most recent distribution which matches the given + requirement. + + :param requirement: A requirement of the form 'foo (1.0)' or perhaps + 'foo (>= 1.0, < 2.0, != 1.3)' + :param prereleases: If ``True``, allow pre-release versions + to be located. Otherwise, pre-release versions + are not returned. + :return: A :class:`Distribution` instance, or ``None`` if no such + distribution could be located. + """ + result = None + r = parse_requirement(requirement) + if r is None: # pragma: no cover + raise DistlibException('Not a valid requirement: %r' % requirement) + scheme = get_scheme(self.scheme) + self.matcher = matcher = scheme.matcher(r.requirement) + logger.debug('matcher: %s (%s)', matcher, type(matcher).__name__) + versions = self.get_project(r.name) + if len(versions) > 2: # urls and digests keys are present + # sometimes, versions are invalid + slist = [] + vcls = matcher.version_class + for k in versions: + if k in ('urls', 'digests'): + continue + try: + if not matcher.match(k): + logger.debug('%s did not match %r', matcher, k) + else: + if prereleases or not vcls(k).is_prerelease: + slist.append(k) + else: + logger.debug('skipping pre-release ' + 'version %s of %s', k, matcher.name) + except Exception: # pragma: no cover + logger.warning('error matching %s with %r', matcher, k) + pass # slist.append(k) + if len(slist) > 1: + slist = sorted(slist, key=scheme.key) + if slist: + logger.debug('sorted list: %s', slist) + version = slist[-1] + result = versions[version] + if result: + if r.extras: + result.extras = r.extras + result.download_urls = versions.get('urls', {}).get(version, set()) + d = {} + sd = versions.get('digests', {}) + for url in result.download_urls: + if url in sd: # pragma: no cover + d[url] = sd[url] + result.digests = d + self.matcher = None + return result + + +class PyPIRPCLocator(Locator): + """ + This locator uses XML-RPC to locate distributions. It therefore + cannot be used with simple mirrors (that only mirror file content). + """ + def __init__(self, url, **kwargs): + """ + Initialise an instance. + + :param url: The URL to use for XML-RPC. + :param kwargs: Passed to the superclass constructor. + """ + super(PyPIRPCLocator, self).__init__(**kwargs) + self.base_url = url + self.client = ServerProxy(url, timeout=3.0) + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + return set(self.client.list_packages()) + + def _get_project(self, name): + result = {'urls': {}, 'digests': {}} + versions = self.client.package_releases(name, True) + for v in versions: + urls = self.client.release_urls(name, v) + data = self.client.release_data(name, v) + metadata = Metadata(scheme=self.scheme) + metadata.name = data['name'] + metadata.version = data['version'] + metadata.license = data.get('license') + metadata.keywords = data.get('keywords', []) + metadata.summary = data.get('summary') + dist = Distribution(metadata) + if urls: + info = urls[0] + metadata.source_url = info['url'] + dist.digest = self._get_digest(info) + dist.locator = self + result[v] = dist + for info in urls: + url = info['url'] + digest = self._get_digest(info) + result['urls'].setdefault(v, set()).add(url) + result['digests'][url] = digest + return result + +class PyPIJSONLocator(Locator): + """ + This locator uses PyPI's JSON interface. It's very limited in functionality + and probably not worth using. + """ + def __init__(self, url, **kwargs): + super(PyPIJSONLocator, self).__init__(**kwargs) + self.base_url = ensure_slash(url) + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Not available from this locator') + + def _get_project(self, name): + result = {'urls': {}, 'digests': {}} + url = urljoin(self.base_url, '%s/json' % quote(name)) + try: + resp = self.opener.open(url) + data = resp.read().decode() # for now + d = json.loads(data) + md = Metadata(scheme=self.scheme) + data = d['info'] + md.name = data['name'] + md.version = data['version'] + md.license = data.get('license') + md.keywords = data.get('keywords', []) + md.summary = data.get('summary') + dist = Distribution(md) + dist.locator = self + urls = d['urls'] + result[md.version] = dist + for info in d['urls']: + url = info['url'] + dist.download_urls.add(url) + dist.digests[url] = self._get_digest(info) + result['urls'].setdefault(md.version, set()).add(url) + result['digests'][url] = self._get_digest(info) + # Now get other releases + for version, infos in d['releases'].items(): + if version == md.version: + continue # already done + omd = Metadata(scheme=self.scheme) + omd.name = md.name + omd.version = version + odist = Distribution(omd) + odist.locator = self + result[version] = odist + for info in infos: + url = info['url'] + odist.download_urls.add(url) + odist.digests[url] = self._get_digest(info) + result['urls'].setdefault(version, set()).add(url) + result['digests'][url] = self._get_digest(info) +# for info in urls: +# md.source_url = info['url'] +# dist.digest = self._get_digest(info) +# dist.locator = self +# for info in urls: +# url = info['url'] +# result['urls'].setdefault(md.version, set()).add(url) +# result['digests'][url] = self._get_digest(info) + except Exception as e: + self.errors.put(text_type(e)) + logger.exception('JSON fetch failed: %s', e) + return result + + +class Page(object): + """ + This class represents a scraped HTML page. + """ + # The following slightly hairy-looking regex just looks for the contents of + # an anchor link, which has an attribute "href" either immediately preceded + # or immediately followed by a "rel" attribute. The attribute values can be + # declared with double quotes, single quotes or no quotes - which leads to + # the length of the expression. + _href = re.compile(""" +(rel\\s*=\\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\\s\n]*))\\s+)? +href\\s*=\\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\\s\n]*)) +(\\s+rel\\s*=\\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\\s\n]*)))? +""", re.I | re.S | re.X) + _base = re.compile(r"""<base\s+href\s*=\s*['"]?([^'">]+)""", re.I | re.S) + + def __init__(self, data, url): + """ + Initialise an instance with the Unicode page contents and the URL they + came from. + """ + self.data = data + self.base_url = self.url = url + m = self._base.search(self.data) + if m: + self.base_url = m.group(1) + + _clean_re = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I) + + @cached_property + def links(self): + """ + Return the URLs of all the links on a page together with information + about their "rel" attribute, for determining which ones to treat as + downloads and which ones to queue for further scraping. + """ + def clean(url): + "Tidy up an URL." + scheme, netloc, path, params, query, frag = urlparse(url) + return urlunparse((scheme, netloc, quote(path), + params, query, frag)) + + result = set() + for match in self._href.finditer(self.data): + d = match.groupdict('') + rel = (d['rel1'] or d['rel2'] or d['rel3'] or + d['rel4'] or d['rel5'] or d['rel6']) + url = d['url1'] or d['url2'] or d['url3'] + url = urljoin(self.base_url, url) + url = unescape(url) + url = self._clean_re.sub(lambda m: '%%%2x' % ord(m.group(0)), url) + result.add((url, rel)) + # We sort the result, hoping to bring the most recent versions + # to the front + result = sorted(result, key=lambda t: t[0], reverse=True) + return result + + +class SimpleScrapingLocator(Locator): + """ + A locator which scrapes HTML pages to locate downloads for a distribution. + This runs multiple threads to do the I/O; performance is at least as good + as pip's PackageFinder, which works in an analogous fashion. + """ + + # These are used to deal with various Content-Encoding schemes. + decoders = { + 'deflate': zlib.decompress, + 'gzip': lambda b: gzip.GzipFile(fileobj=BytesIO(d)).read(), + 'none': lambda b: b, + } + + def __init__(self, url, timeout=None, num_workers=10, **kwargs): + """ + Initialise an instance. + :param url: The root URL to use for scraping. + :param timeout: The timeout, in seconds, to be applied to requests. + This defaults to ``None`` (no timeout specified). + :param num_workers: The number of worker threads you want to do I/O, + This defaults to 10. + :param kwargs: Passed to the superclass. + """ + super(SimpleScrapingLocator, self).__init__(**kwargs) + self.base_url = ensure_slash(url) + self.timeout = timeout + self._page_cache = {} + self._seen = set() + self._to_fetch = queue.Queue() + self._bad_hosts = set() + self.skip_externals = False + self.num_workers = num_workers + self._lock = threading.RLock() + # See issue #45: we need to be resilient when the locator is used + # in a thread, e.g. with concurrent.futures. We can't use self._lock + # as it is for coordinating our internal threads - the ones created + # in _prepare_threads. + self._gplock = threading.RLock() + self.platform_check = False # See issue #112 + + def _prepare_threads(self): + """ + Threads are created only when get_project is called, and terminate + before it returns. They are there primarily to parallelise I/O (i.e. + fetching web pages). + """ + self._threads = [] + for i in range(self.num_workers): + t = threading.Thread(target=self._fetch) + t.setDaemon(True) + t.start() + self._threads.append(t) + + def _wait_threads(self): + """ + Tell all the threads to terminate (by sending a sentinel value) and + wait for them to do so. + """ + # Note that you need two loops, since you can't say which + # thread will get each sentinel + for t in self._threads: + self._to_fetch.put(None) # sentinel + for t in self._threads: + t.join() + self._threads = [] + + def _get_project(self, name): + result = {'urls': {}, 'digests': {}} + with self._gplock: + self.result = result + self.project_name = name + url = urljoin(self.base_url, '%s/' % quote(name)) + self._seen.clear() + self._page_cache.clear() + self._prepare_threads() + try: + logger.debug('Queueing %s', url) + self._to_fetch.put(url) + self._to_fetch.join() + finally: + self._wait_threads() + del self.result + return result + + platform_dependent = re.compile(r'\b(linux_(i\d86|x86_64|arm\w+)|' + r'win(32|_amd64)|macosx_?\d+)\b', re.I) + + def _is_platform_dependent(self, url): + """ + Does an URL refer to a platform-specific download? + """ + return self.platform_dependent.search(url) + + def _process_download(self, url): + """ + See if an URL is a suitable download for a project. + + If it is, register information in the result dictionary (for + _get_project) about the specific version it's for. + + Note that the return value isn't actually used other than as a boolean + value. + """ + if self.platform_check and self._is_platform_dependent(url): + info = None + else: + info = self.convert_url_to_download_info(url, self.project_name) + logger.debug('process_download: %s -> %s', url, info) + if info: + with self._lock: # needed because self.result is shared + self._update_version_data(self.result, info) + return info + + def _should_queue(self, link, referrer, rel): + """ + Determine whether a link URL from a referring page and with a + particular "rel" attribute should be queued for scraping. + """ + scheme, netloc, path, _, _, _ = urlparse(link) + if path.endswith(self.source_extensions + self.binary_extensions + + self.excluded_extensions): + result = False + elif self.skip_externals and not link.startswith(self.base_url): + result = False + elif not referrer.startswith(self.base_url): + result = False + elif rel not in ('homepage', 'download'): + result = False + elif scheme not in ('http', 'https', 'ftp'): + result = False + elif self._is_platform_dependent(link): + result = False + else: + host = netloc.split(':', 1)[0] + if host.lower() == 'localhost': + result = False + else: + result = True + logger.debug('should_queue: %s (%s) from %s -> %s', link, rel, + referrer, result) + return result + + def _fetch(self): + """ + Get a URL to fetch from the work queue, get the HTML page, examine its + links for download candidates and candidates for further scraping. + + This is a handy method to run in a thread. + """ + while True: + url = self._to_fetch.get() + try: + if url: + page = self.get_page(url) + if page is None: # e.g. after an error + continue + for link, rel in page.links: + if link not in self._seen: + try: + self._seen.add(link) + if (not self._process_download(link) and + self._should_queue(link, url, rel)): + logger.debug('Queueing %s from %s', link, url) + self._to_fetch.put(link) + except MetadataInvalidError: # e.g. invalid versions + pass + except Exception as e: # pragma: no cover + self.errors.put(text_type(e)) + finally: + # always do this, to avoid hangs :-) + self._to_fetch.task_done() + if not url: + #logger.debug('Sentinel seen, quitting.') + break + + def get_page(self, url): + """ + Get the HTML for an URL, possibly from an in-memory cache. + + XXX TODO Note: this cache is never actually cleared. It's assumed that + the data won't get stale over the lifetime of a locator instance (not + necessarily true for the default_locator). + """ + # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api + scheme, netloc, path, _, _, _ = urlparse(url) + if scheme == 'file' and os.path.isdir(url2pathname(path)): + url = urljoin(ensure_slash(url), 'index.html') + + if url in self._page_cache: + result = self._page_cache[url] + logger.debug('Returning %s from cache: %s', url, result) + else: + host = netloc.split(':', 1)[0] + result = None + if host in self._bad_hosts: + logger.debug('Skipping %s due to bad host %s', url, host) + else: + req = Request(url, headers={'Accept-encoding': 'identity'}) + try: + logger.debug('Fetching %s', url) + resp = self.opener.open(req, timeout=self.timeout) + logger.debug('Fetched %s', url) + headers = resp.info() + content_type = headers.get('Content-Type', '') + if HTML_CONTENT_TYPE.match(content_type): + final_url = resp.geturl() + data = resp.read() + encoding = headers.get('Content-Encoding') + if encoding: + decoder = self.decoders[encoding] # fail if not found + data = decoder(data) + encoding = 'utf-8' + m = CHARSET.search(content_type) + if m: + encoding = m.group(1) + try: + data = data.decode(encoding) + except UnicodeError: # pragma: no cover + data = data.decode('latin-1') # fallback + result = Page(data, final_url) + self._page_cache[final_url] = result + except HTTPError as e: + if e.code != 404: + logger.exception('Fetch failed: %s: %s', url, e) + except URLError as e: # pragma: no cover + logger.exception('Fetch failed: %s: %s', url, e) + with self._lock: + self._bad_hosts.add(host) + except Exception as e: # pragma: no cover + logger.exception('Fetch failed: %s: %s', url, e) + finally: + self._page_cache[url] = result # even if None (failure) + return result + + _distname_re = re.compile('<a href=[^>]*>([^<]+)<') + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + page = self.get_page(self.base_url) + if not page: + raise DistlibException('Unable to get %s' % self.base_url) + for match in self._distname_re.finditer(page.data): + result.add(match.group(1)) + return result + +class DirectoryLocator(Locator): + """ + This class locates distributions in a directory tree. + """ + + def __init__(self, path, **kwargs): + """ + Initialise an instance. + :param path: The root of the directory tree to search. + :param kwargs: Passed to the superclass constructor, + except for: + * recursive - if True (the default), subdirectories are + recursed into. If False, only the top-level directory + is searched, + """ + self.recursive = kwargs.pop('recursive', True) + super(DirectoryLocator, self).__init__(**kwargs) + path = os.path.abspath(path) + if not os.path.isdir(path): # pragma: no cover + raise DistlibException('Not a directory: %r' % path) + self.base_dir = path + + def should_include(self, filename, parent): + """ + Should a filename be considered as a candidate for a distribution + archive? As well as the filename, the directory which contains it + is provided, though not used by the current implementation. + """ + return filename.endswith(self.downloadable_extensions) + + def _get_project(self, name): + result = {'urls': {}, 'digests': {}} + for root, dirs, files in os.walk(self.base_dir): + for fn in files: + if self.should_include(fn, root): + fn = os.path.join(root, fn) + url = urlunparse(('file', '', + pathname2url(os.path.abspath(fn)), + '', '', '')) + info = self.convert_url_to_download_info(url, name) + if info: + self._update_version_data(result, info) + if not self.recursive: + break + return result + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + for root, dirs, files in os.walk(self.base_dir): + for fn in files: + if self.should_include(fn, root): + fn = os.path.join(root, fn) + url = urlunparse(('file', '', + pathname2url(os.path.abspath(fn)), + '', '', '')) + info = self.convert_url_to_download_info(url, None) + if info: + result.add(info['name']) + if not self.recursive: + break + return result + +class JSONLocator(Locator): + """ + This locator uses special extended metadata (not available on PyPI) and is + the basis of performant dependency resolution in distlib. Other locators + require archive downloads before dependencies can be determined! As you + might imagine, that can be slow. + """ + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Not available from this locator') + + def _get_project(self, name): + result = {'urls': {}, 'digests': {}} + data = get_project_data(name) + if data: + for info in data.get('files', []): + if info['ptype'] != 'sdist' or info['pyversion'] != 'source': + continue + # We don't store summary in project metadata as it makes + # the data bigger for no benefit during dependency + # resolution + dist = make_dist(data['name'], info['version'], + summary=data.get('summary', + 'Placeholder for summary'), + scheme=self.scheme) + md = dist.metadata + md.source_url = info['url'] + # TODO SHA256 digest + if 'digest' in info and info['digest']: + dist.digest = ('md5', info['digest']) + md.dependencies = info.get('requirements', {}) + dist.exports = info.get('exports', {}) + result[dist.version] = dist + result['urls'].setdefault(dist.version, set()).add(info['url']) + return result + +class DistPathLocator(Locator): + """ + This locator finds installed distributions in a path. It can be useful for + adding to an :class:`AggregatingLocator`. + """ + def __init__(self, distpath, **kwargs): + """ + Initialise an instance. + + :param distpath: A :class:`DistributionPath` instance to search. + """ + super(DistPathLocator, self).__init__(**kwargs) + assert isinstance(distpath, DistributionPath) + self.distpath = distpath + + def _get_project(self, name): + dist = self.distpath.get_distribution(name) + if dist is None: + result = {'urls': {}, 'digests': {}} + else: + result = { + dist.version: dist, + 'urls': {dist.version: set([dist.source_url])}, + 'digests': {dist.version: set([None])} + } + return result + + +class AggregatingLocator(Locator): + """ + This class allows you to chain and/or merge a list of locators. + """ + def __init__(self, *locators, **kwargs): + """ + Initialise an instance. + + :param locators: The list of locators to search. + :param kwargs: Passed to the superclass constructor, + except for: + * merge - if False (the default), the first successful + search from any of the locators is returned. If True, + the results from all locators are merged (this can be + slow). + """ + self.merge = kwargs.pop('merge', False) + self.locators = locators + super(AggregatingLocator, self).__init__(**kwargs) + + def clear_cache(self): + super(AggregatingLocator, self).clear_cache() + for locator in self.locators: + locator.clear_cache() + + def _set_scheme(self, value): + self._scheme = value + for locator in self.locators: + locator.scheme = value + + scheme = property(Locator.scheme.fget, _set_scheme) + + def _get_project(self, name): + result = {} + for locator in self.locators: + d = locator.get_project(name) + if d: + if self.merge: + files = result.get('urls', {}) + digests = result.get('digests', {}) + # next line could overwrite result['urls'], result['digests'] + result.update(d) + df = result.get('urls') + if files and df: + for k, v in files.items(): + if k in df: + df[k] |= v + else: + df[k] = v + dd = result.get('digests') + if digests and dd: + dd.update(digests) + else: + # See issue #18. If any dists are found and we're looking + # for specific constraints, we only return something if + # a match is found. For example, if a DirectoryLocator + # returns just foo (1.0) while we're looking for + # foo (>= 2.0), we'll pretend there was nothing there so + # that subsequent locators can be queried. Otherwise we + # would just return foo (1.0) which would then lead to a + # failure to find foo (>= 2.0), because other locators + # weren't searched. Note that this only matters when + # merge=False. + if self.matcher is None: + found = True + else: + found = False + for k in d: + if self.matcher.match(k): + found = True + break + if found: + result = d + break + return result + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + for locator in self.locators: + try: + result |= locator.get_distribution_names() + except NotImplementedError: + pass + return result + + +# We use a legacy scheme simply because most of the dists on PyPI use legacy +# versions which don't conform to PEP 426 / PEP 440. +default_locator = AggregatingLocator( + JSONLocator(), + SimpleScrapingLocator('https://pypi.python.org/simple/', + timeout=3.0), + scheme='legacy') + +locate = default_locator.locate + +NAME_VERSION_RE = re.compile(r'(?P<name>[\w-]+)\s*' + r'\(\s*(==\s*)?(?P<ver>[^)]+)\)$') + +class DependencyFinder(object): + """ + Locate dependencies for distributions. + """ + + def __init__(self, locator=None): + """ + Initialise an instance, using the specified locator + to locate distributions. + """ + self.locator = locator or default_locator + self.scheme = get_scheme(self.locator.scheme) + + def add_distribution(self, dist): + """ + Add a distribution to the finder. This will update internal information + about who provides what. + :param dist: The distribution to add. + """ + logger.debug('adding distribution %s', dist) + name = dist.key + self.dists_by_name[name] = dist + self.dists[(name, dist.version)] = dist + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Add to provided: %s, %s, %s', name, version, dist) + self.provided.setdefault(name, set()).add((version, dist)) + + def remove_distribution(self, dist): + """ + Remove a distribution from the finder. This will update internal + information about who provides what. + :param dist: The distribution to remove. + """ + logger.debug('removing distribution %s', dist) + name = dist.key + del self.dists_by_name[name] + del self.dists[(name, dist.version)] + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Remove from provided: %s, %s, %s', name, version, dist) + s = self.provided[name] + s.remove((version, dist)) + if not s: + del self.provided[name] + + def get_matcher(self, reqt): + """ + Get a version matcher for a requirement. + :param reqt: The requirement + :type reqt: str + :return: A version matcher (an instance of + :class:`distlib.version.Matcher`). + """ + try: + matcher = self.scheme.matcher(reqt) + except UnsupportedVersionError: # pragma: no cover + # XXX compat-mode if cannot read the version + name = reqt.split()[0] + matcher = self.scheme.matcher(name) + return matcher + + def find_providers(self, reqt): + """ + Find the distributions which can fulfill a requirement. + + :param reqt: The requirement. + :type reqt: str + :return: A set of distribution which can fulfill the requirement. + """ + matcher = self.get_matcher(reqt) + name = matcher.key # case-insensitive + result = set() + provided = self.provided + if name in provided: + for version, provider in provided[name]: + try: + match = matcher.match(version) + except UnsupportedVersionError: + match = False + + if match: + result.add(provider) + break + return result + + def try_to_replace(self, provider, other, problems): + """ + Attempt to replace one provider with another. This is typically used + when resolving dependencies from multiple sources, e.g. A requires + (B >= 1.0) while C requires (B >= 1.1). + + For successful replacement, ``provider`` must meet all the requirements + which ``other`` fulfills. + + :param provider: The provider we are trying to replace with. + :param other: The provider we're trying to replace. + :param problems: If False is returned, this will contain what + problems prevented replacement. This is currently + a tuple of the literal string 'cantreplace', + ``provider``, ``other`` and the set of requirements + that ``provider`` couldn't fulfill. + :return: True if we can replace ``other`` with ``provider``, else + False. + """ + rlist = self.reqts[other] + unmatched = set() + for s in rlist: + matcher = self.get_matcher(s) + if not matcher.match(provider.version): + unmatched.add(s) + if unmatched: + # can't replace other with provider + problems.add(('cantreplace', provider, other, + frozenset(unmatched))) + result = False + else: + # can replace other with provider + self.remove_distribution(other) + del self.reqts[other] + for s in rlist: + self.reqts.setdefault(provider, set()).add(s) + self.add_distribution(provider) + result = True + return result + + def find(self, requirement, meta_extras=None, prereleases=False): + """ + Find a distribution and all distributions it depends on. + + :param requirement: The requirement specifying the distribution to + find, or a Distribution instance. + :param meta_extras: A list of meta extras such as :test:, :build: and + so on. + :param prereleases: If ``True``, allow pre-release versions to be + returned - otherwise, don't return prereleases + unless they're all that's available. + + Return a set of :class:`Distribution` instances and a set of + problems. + + The distributions returned should be such that they have the + :attr:`required` attribute set to ``True`` if they were + from the ``requirement`` passed to ``find()``, and they have the + :attr:`build_time_dependency` attribute set to ``True`` unless they + are post-installation dependencies of the ``requirement``. + + The problems should be a tuple consisting of the string + ``'unsatisfied'`` and the requirement which couldn't be satisfied + by any distribution known to the locator. + """ + + self.provided = {} + self.dists = {} + self.dists_by_name = {} + self.reqts = {} + + meta_extras = set(meta_extras or []) + if ':*:' in meta_extras: + meta_extras.remove(':*:') + # :meta: and :run: are implicitly included + meta_extras |= set([':test:', ':build:', ':dev:']) + + if isinstance(requirement, Distribution): + dist = odist = requirement + logger.debug('passed %s as requirement', odist) + else: + dist = odist = self.locator.locate(requirement, + prereleases=prereleases) + if dist is None: + raise DistlibException('Unable to locate %r' % requirement) + logger.debug('located %s', odist) + dist.requested = True + problems = set() + todo = set([dist]) + install_dists = set([odist]) + while todo: + dist = todo.pop() + name = dist.key # case-insensitive + if name not in self.dists_by_name: + self.add_distribution(dist) + else: + #import pdb; pdb.set_trace() + other = self.dists_by_name[name] + if other != dist: + self.try_to_replace(dist, other, problems) + + ireqts = dist.run_requires | dist.meta_requires + sreqts = dist.build_requires + ereqts = set() + if meta_extras and dist in install_dists: + for key in ('test', 'build', 'dev'): + e = ':%s:' % key + if e in meta_extras: + ereqts |= getattr(dist, '%s_requires' % key) + all_reqts = ireqts | sreqts | ereqts + for r in all_reqts: + providers = self.find_providers(r) + if not providers: + logger.debug('No providers found for %r', r) + provider = self.locator.locate(r, prereleases=prereleases) + # If no provider is found and we didn't consider + # prereleases, consider them now. + if provider is None and not prereleases: + provider = self.locator.locate(r, prereleases=True) + if provider is None: + logger.debug('Cannot satisfy %r', r) + problems.add(('unsatisfied', r)) + else: + n, v = provider.key, provider.version + if (n, v) not in self.dists: + todo.add(provider) + providers.add(provider) + if r in ireqts and dist in install_dists: + install_dists.add(provider) + logger.debug('Adding %s to install_dists', + provider.name_and_version) + for p in providers: + name = p.key + if name not in self.dists_by_name: + self.reqts.setdefault(p, set()).add(r) + else: + other = self.dists_by_name[name] + if other != p: + # see if other can be replaced by p + self.try_to_replace(p, other, problems) + + dists = set(self.dists.values()) + for dist in dists: + dist.build_time_dependency = dist not in install_dists + if dist.build_time_dependency: + logger.debug('%s is a build-time dependency only.', + dist.name_and_version) + logger.debug('find done for %s', odist) + return dists, problems diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/manifest.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/manifest.py new file mode 100644 index 0000000..ca0fe44 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/manifest.py @@ -0,0 +1,393 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +""" +Class representing the list of files in a distribution. + +Equivalent to distutils.filelist, but fixes some problems. +""" +import fnmatch +import logging +import os +import re +import sys + +from . import DistlibException +from .compat import fsdecode +from .util import convert_path + + +__all__ = ['Manifest'] + +logger = logging.getLogger(__name__) + +# a \ followed by some spaces + EOL +_COLLAPSE_PATTERN = re.compile('\\\\w*\n', re.M) +_COMMENTED_LINE = re.compile('#.*?(?=\n)|\n(?=$)', re.M | re.S) + +# +# Due to the different results returned by fnmatch.translate, we need +# to do slightly different processing for Python 2.7 and 3.2 ... this needed +# to be brought in for Python 3.6 onwards. +# +_PYTHON_VERSION = sys.version_info[:2] + +class Manifest(object): + """A list of files built by on exploring the filesystem and filtered by + applying various patterns to what we find there. + """ + + def __init__(self, base=None): + """ + Initialise an instance. + + :param base: The base directory to explore under. + """ + self.base = os.path.abspath(os.path.normpath(base or os.getcwd())) + self.prefix = self.base + os.sep + self.allfiles = None + self.files = set() + + # + # Public API + # + + def findall(self): + """Find all files under the base and set ``allfiles`` to the absolute + pathnames of files found. + """ + from stat import S_ISREG, S_ISDIR, S_ISLNK + + self.allfiles = allfiles = [] + root = self.base + stack = [root] + pop = stack.pop + push = stack.append + + while stack: + root = pop() + names = os.listdir(root) + + for name in names: + fullname = os.path.join(root, name) + + # Avoid excess stat calls -- just one will do, thank you! + stat = os.stat(fullname) + mode = stat.st_mode + if S_ISREG(mode): + allfiles.append(fsdecode(fullname)) + elif S_ISDIR(mode) and not S_ISLNK(mode): + push(fullname) + + def add(self, item): + """ + Add a file to the manifest. + + :param item: The pathname to add. This can be relative to the base. + """ + if not item.startswith(self.prefix): + item = os.path.join(self.base, item) + self.files.add(os.path.normpath(item)) + + def add_many(self, items): + """ + Add a list of files to the manifest. + + :param items: The pathnames to add. These can be relative to the base. + """ + for item in items: + self.add(item) + + def sorted(self, wantdirs=False): + """ + Return sorted files in directory order + """ + + def add_dir(dirs, d): + dirs.add(d) + logger.debug('add_dir added %s', d) + if d != self.base: + parent, _ = os.path.split(d) + assert parent not in ('', '/') + add_dir(dirs, parent) + + result = set(self.files) # make a copy! + if wantdirs: + dirs = set() + for f in result: + add_dir(dirs, os.path.dirname(f)) + result |= dirs + return [os.path.join(*path_tuple) for path_tuple in + sorted(os.path.split(path) for path in result)] + + def clear(self): + """Clear all collected files.""" + self.files = set() + self.allfiles = [] + + def process_directive(self, directive): + """ + Process a directive which either adds some files from ``allfiles`` to + ``files``, or removes some files from ``files``. + + :param directive: The directive to process. This should be in a format + compatible with distutils ``MANIFEST.in`` files: + + http://docs.python.org/distutils/sourcedist.html#commands + """ + # Parse the line: split it up, make sure the right number of words + # is there, and return the relevant words. 'action' is always + # defined: it's the first word of the line. Which of the other + # three are defined depends on the action; it'll be either + # patterns, (dir and patterns), or (dirpattern). + action, patterns, thedir, dirpattern = self._parse_directive(directive) + + # OK, now we know that the action is valid and we have the + # right number of words on the line for that action -- so we + # can proceed with minimal error-checking. + if action == 'include': + for pattern in patterns: + if not self._include_pattern(pattern, anchor=True): + logger.warning('no files found matching %r', pattern) + + elif action == 'exclude': + for pattern in patterns: + found = self._exclude_pattern(pattern, anchor=True) + #if not found: + # logger.warning('no previously-included files ' + # 'found matching %r', pattern) + + elif action == 'global-include': + for pattern in patterns: + if not self._include_pattern(pattern, anchor=False): + logger.warning('no files found matching %r ' + 'anywhere in distribution', pattern) + + elif action == 'global-exclude': + for pattern in patterns: + found = self._exclude_pattern(pattern, anchor=False) + #if not found: + # logger.warning('no previously-included files ' + # 'matching %r found anywhere in ' + # 'distribution', pattern) + + elif action == 'recursive-include': + for pattern in patterns: + if not self._include_pattern(pattern, prefix=thedir): + logger.warning('no files found matching %r ' + 'under directory %r', pattern, thedir) + + elif action == 'recursive-exclude': + for pattern in patterns: + found = self._exclude_pattern(pattern, prefix=thedir) + #if not found: + # logger.warning('no previously-included files ' + # 'matching %r found under directory %r', + # pattern, thedir) + + elif action == 'graft': + if not self._include_pattern(None, prefix=dirpattern): + logger.warning('no directories found matching %r', + dirpattern) + + elif action == 'prune': + if not self._exclude_pattern(None, prefix=dirpattern): + logger.warning('no previously-included directories found ' + 'matching %r', dirpattern) + else: # pragma: no cover + # This should never happen, as it should be caught in + # _parse_template_line + raise DistlibException( + 'invalid action %r' % action) + + # + # Private API + # + + def _parse_directive(self, directive): + """ + Validate a directive. + :param directive: The directive to validate. + :return: A tuple of action, patterns, thedir, dir_patterns + """ + words = directive.split() + if len(words) == 1 and words[0] not in ('include', 'exclude', + 'global-include', + 'global-exclude', + 'recursive-include', + 'recursive-exclude', + 'graft', 'prune'): + # no action given, let's use the default 'include' + words.insert(0, 'include') + + action = words[0] + patterns = thedir = dir_pattern = None + + if action in ('include', 'exclude', + 'global-include', 'global-exclude'): + if len(words) < 2: + raise DistlibException( + '%r expects <pattern1> <pattern2> ...' % action) + + patterns = [convert_path(word) for word in words[1:]] + + elif action in ('recursive-include', 'recursive-exclude'): + if len(words) < 3: + raise DistlibException( + '%r expects <dir> <pattern1> <pattern2> ...' % action) + + thedir = convert_path(words[1]) + patterns = [convert_path(word) for word in words[2:]] + + elif action in ('graft', 'prune'): + if len(words) != 2: + raise DistlibException( + '%r expects a single <dir_pattern>' % action) + + dir_pattern = convert_path(words[1]) + + else: + raise DistlibException('unknown action %r' % action) + + return action, patterns, thedir, dir_pattern + + def _include_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Select strings (presumably filenames) from 'self.files' that + match 'pattern', a Unix-style wildcard (glob) pattern. + + Patterns are not quite the same as implemented by the 'fnmatch' + module: '*' and '?' match non-special characters, where "special" + is platform-dependent: slash on Unix; colon, slash, and backslash on + DOS/Windows; and colon on Mac OS. + + If 'anchor' is true (the default), then the pattern match is more + stringent: "*.py" will match "foo.py" but not "foo/bar.py". If + 'anchor' is false, both of these will match. + + If 'prefix' is supplied, then only filenames starting with 'prefix' + (itself a pattern) and ending with 'pattern', with anything in between + them, will match. 'anchor' is ignored in this case. + + If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and + 'pattern' is assumed to be either a string containing a regex or a + regex object -- no translation is done, the regex is just compiled + and used as-is. + + Selected strings will be added to self.files. + + Return True if files are found. + """ + # XXX docstring lying about what the special chars are? + found = False + pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) + + # delayed loading of allfiles list + if self.allfiles is None: + self.findall() + + for name in self.allfiles: + if pattern_re.search(name): + self.files.add(name) + found = True + return found + + def _exclude_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Remove strings (presumably filenames) from 'files' that match + 'pattern'. + + Other parameters are the same as for 'include_pattern()', above. + The list 'self.files' is modified in place. Return True if files are + found. + + This API is public to allow e.g. exclusion of SCM subdirs, e.g. when + packaging source distributions + """ + found = False + pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) + for f in list(self.files): + if pattern_re.search(f): + self.files.remove(f) + found = True + return found + + def _translate_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Translate a shell-like wildcard pattern to a compiled regular + expression. + + Return the compiled regex. If 'is_regex' true, + then 'pattern' is directly compiled to a regex (if it's a string) + or just returned as-is (assumes it's a regex object). + """ + if is_regex: + if isinstance(pattern, str): + return re.compile(pattern) + else: + return pattern + + if _PYTHON_VERSION > (3, 2): + # ditch start and end characters + start, _, end = self._glob_to_re('_').partition('_') + + if pattern: + pattern_re = self._glob_to_re(pattern) + if _PYTHON_VERSION > (3, 2): + assert pattern_re.startswith(start) and pattern_re.endswith(end) + else: + pattern_re = '' + + base = re.escape(os.path.join(self.base, '')) + if prefix is not None: + # ditch end of pattern character + if _PYTHON_VERSION <= (3, 2): + empty_pattern = self._glob_to_re('') + prefix_re = self._glob_to_re(prefix)[:-len(empty_pattern)] + else: + prefix_re = self._glob_to_re(prefix) + assert prefix_re.startswith(start) and prefix_re.endswith(end) + prefix_re = prefix_re[len(start): len(prefix_re) - len(end)] + sep = os.sep + if os.sep == '\\': + sep = r'\\' + if _PYTHON_VERSION <= (3, 2): + pattern_re = '^' + base + sep.join((prefix_re, + '.*' + pattern_re)) + else: + pattern_re = pattern_re[len(start): len(pattern_re) - len(end)] + pattern_re = r'%s%s%s%s.*%s%s' % (start, base, prefix_re, sep, + pattern_re, end) + else: # no prefix -- respect anchor flag + if anchor: + if _PYTHON_VERSION <= (3, 2): + pattern_re = '^' + base + pattern_re + else: + pattern_re = r'%s%s%s' % (start, base, pattern_re[len(start):]) + + return re.compile(pattern_re) + + def _glob_to_re(self, pattern): + """Translate a shell-like glob pattern to a regular expression. + + Return a string containing the regex. Differs from + 'fnmatch.translate()' in that '*' does not match "special characters" + (which are platform-specific). + """ + pattern_re = fnmatch.translate(pattern) + + # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which + # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix, + # and by extension they shouldn't match such "special characters" under + # any OS. So change all non-escaped dots in the RE to match any + # character except the special characters (currently: just os.sep). + sep = os.sep + if os.sep == '\\': + # we're using a regex to manipulate a regex, so we need + # to escape the backslash twice + sep = r'\\\\' + escaped = r'\1[^%s]' % sep + pattern_re = re.sub(r'((?<!\\)(\\\\)*)\.', escaped, pattern_re) + return pattern_re diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/markers.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/markers.py new file mode 100644 index 0000000..ee1f3e2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/markers.py @@ -0,0 +1,131 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2017 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +""" +Parser for the environment markers micro-language defined in PEP 508. +""" + +# Note: In PEP 345, the micro-language was Python compatible, so the ast +# module could be used to parse it. However, PEP 508 introduced operators such +# as ~= and === which aren't in Python, necessitating a different approach. + +import os +import sys +import platform +import re + +from .compat import python_implementation, urlparse, string_types +from .util import in_venv, parse_marker + +__all__ = ['interpret'] + +def _is_literal(o): + if not isinstance(o, string_types) or not o: + return False + return o[0] in '\'"' + +class Evaluator(object): + """ + This class is used to evaluate marker expessions. + """ + + operations = { + '==': lambda x, y: x == y, + '===': lambda x, y: x == y, + '~=': lambda x, y: x == y or x > y, + '!=': lambda x, y: x != y, + '<': lambda x, y: x < y, + '<=': lambda x, y: x == y or x < y, + '>': lambda x, y: x > y, + '>=': lambda x, y: x == y or x > y, + 'and': lambda x, y: x and y, + 'or': lambda x, y: x or y, + 'in': lambda x, y: x in y, + 'not in': lambda x, y: x not in y, + } + + def evaluate(self, expr, context): + """ + Evaluate a marker expression returned by the :func:`parse_requirement` + function in the specified context. + """ + if isinstance(expr, string_types): + if expr[0] in '\'"': + result = expr[1:-1] + else: + if expr not in context: + raise SyntaxError('unknown variable: %s' % expr) + result = context[expr] + else: + assert isinstance(expr, dict) + op = expr['op'] + if op not in self.operations: + raise NotImplementedError('op not implemented: %s' % op) + elhs = expr['lhs'] + erhs = expr['rhs'] + if _is_literal(expr['lhs']) and _is_literal(expr['rhs']): + raise SyntaxError('invalid comparison: %s %s %s' % (elhs, op, erhs)) + + lhs = self.evaluate(elhs, context) + rhs = self.evaluate(erhs, context) + result = self.operations[op](lhs, rhs) + return result + +def default_context(): + def format_full_version(info): + version = '%s.%s.%s' % (info.major, info.minor, info.micro) + kind = info.releaselevel + if kind != 'final': + version += kind[0] + str(info.serial) + return version + + if hasattr(sys, 'implementation'): + implementation_version = format_full_version(sys.implementation.version) + implementation_name = sys.implementation.name + else: + implementation_version = '0' + implementation_name = '' + + result = { + 'implementation_name': implementation_name, + 'implementation_version': implementation_version, + 'os_name': os.name, + 'platform_machine': platform.machine(), + 'platform_python_implementation': platform.python_implementation(), + 'platform_release': platform.release(), + 'platform_system': platform.system(), + 'platform_version': platform.version(), + 'platform_in_venv': str(in_venv()), + 'python_full_version': platform.python_version(), + 'python_version': platform.python_version()[:3], + 'sys_platform': sys.platform, + } + return result + +DEFAULT_CONTEXT = default_context() +del default_context + +evaluator = Evaluator() + +def interpret(marker, execution_context=None): + """ + Interpret a marker and return a result depending on environment. + + :param marker: The marker to interpret. + :type marker: str + :param execution_context: The context used for name lookup. + :type execution_context: mapping + """ + try: + expr, rest = parse_marker(marker) + except Exception as e: + raise SyntaxError('Unable to interpret marker syntax: %s: %s' % (marker, e)) + if rest and rest[0] != '#': + raise SyntaxError('unexpected trailing data in marker: %s: %s' % (marker, rest)) + context = dict(DEFAULT_CONTEXT) + if execution_context: + context.update(execution_context) + return evaluator.evaluate(expr, context) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/metadata.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/metadata.py new file mode 100644 index 0000000..77eed7f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/metadata.py @@ -0,0 +1,1094 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Implementation of the Metadata for Python packages PEPs. + +Supports all metadata formats (1.0, 1.1, 1.2, and 2.0 experimental). +""" +from __future__ import unicode_literals + +import codecs +from email import message_from_file +import json +import logging +import re + + +from . import DistlibException, __version__ +from .compat import StringIO, string_types, text_type +from .markers import interpret +from .util import extract_by_key, get_extras +from .version import get_scheme, PEP440_VERSION_RE + +logger = logging.getLogger(__name__) + + +class MetadataMissingError(DistlibException): + """A required metadata is missing""" + + +class MetadataConflictError(DistlibException): + """Attempt to read or write metadata fields that are conflictual.""" + + +class MetadataUnrecognizedVersionError(DistlibException): + """Unknown metadata version number.""" + + +class MetadataInvalidError(DistlibException): + """A metadata value is invalid""" + +# public API of this module +__all__ = ['Metadata', 'PKG_INFO_ENCODING', 'PKG_INFO_PREFERRED_VERSION'] + +# Encoding used for the PKG-INFO files +PKG_INFO_ENCODING = 'utf-8' + +# preferred version. Hopefully will be changed +# to 1.2 once PEP 345 is supported everywhere +PKG_INFO_PREFERRED_VERSION = '1.1' + +_LINE_PREFIX_1_2 = re.compile('\n \\|') +_LINE_PREFIX_PRE_1_2 = re.compile('\n ') +_241_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'License') + +_314_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'License', 'Classifier', 'Download-URL', 'Obsoletes', + 'Provides', 'Requires') + +_314_MARKERS = ('Obsoletes', 'Provides', 'Requires', 'Classifier', + 'Download-URL') + +_345_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'Maintainer', 'Maintainer-email', 'License', + 'Classifier', 'Download-URL', 'Obsoletes-Dist', + 'Project-URL', 'Provides-Dist', 'Requires-Dist', + 'Requires-Python', 'Requires-External') + +_345_MARKERS = ('Provides-Dist', 'Requires-Dist', 'Requires-Python', + 'Obsoletes-Dist', 'Requires-External', 'Maintainer', + 'Maintainer-email', 'Project-URL') + +_426_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'Maintainer', 'Maintainer-email', 'License', + 'Classifier', 'Download-URL', 'Obsoletes-Dist', + 'Project-URL', 'Provides-Dist', 'Requires-Dist', + 'Requires-Python', 'Requires-External', 'Private-Version', + 'Obsoleted-By', 'Setup-Requires-Dist', 'Extension', + 'Provides-Extra') + +_426_MARKERS = ('Private-Version', 'Provides-Extra', 'Obsoleted-By', + 'Setup-Requires-Dist', 'Extension') + +# See issue #106: Sometimes 'Requires' occurs wrongly in the metadata. Include +# it in the tuple literal below to allow it (for now) +_566_FIELDS = _426_FIELDS + ('Description-Content-Type', 'Requires') + +_566_MARKERS = ('Description-Content-Type',) + +_ALL_FIELDS = set() +_ALL_FIELDS.update(_241_FIELDS) +_ALL_FIELDS.update(_314_FIELDS) +_ALL_FIELDS.update(_345_FIELDS) +_ALL_FIELDS.update(_426_FIELDS) +_ALL_FIELDS.update(_566_FIELDS) + +EXTRA_RE = re.compile(r'''extra\s*==\s*("([^"]+)"|'([^']+)')''') + + +def _version2fieldlist(version): + if version == '1.0': + return _241_FIELDS + elif version == '1.1': + return _314_FIELDS + elif version == '1.2': + return _345_FIELDS + elif version in ('1.3', '2.1'): + return _345_FIELDS + _566_FIELDS + elif version == '2.0': + return _426_FIELDS + raise MetadataUnrecognizedVersionError(version) + + +def _best_version(fields): + """Detect the best version depending on the fields used.""" + def _has_marker(keys, markers): + for marker in markers: + if marker in keys: + return True + return False + + keys = [] + for key, value in fields.items(): + if value in ([], 'UNKNOWN', None): + continue + keys.append(key) + + possible_versions = ['1.0', '1.1', '1.2', '1.3', '2.0', '2.1'] + + # first let's try to see if a field is not part of one of the version + for key in keys: + if key not in _241_FIELDS and '1.0' in possible_versions: + possible_versions.remove('1.0') + logger.debug('Removed 1.0 due to %s', key) + if key not in _314_FIELDS and '1.1' in possible_versions: + possible_versions.remove('1.1') + logger.debug('Removed 1.1 due to %s', key) + if key not in _345_FIELDS and '1.2' in possible_versions: + possible_versions.remove('1.2') + logger.debug('Removed 1.2 due to %s', key) + if key not in _566_FIELDS and '1.3' in possible_versions: + possible_versions.remove('1.3') + logger.debug('Removed 1.3 due to %s', key) + if key not in _566_FIELDS and '2.1' in possible_versions: + if key != 'Description': # In 2.1, description allowed after headers + possible_versions.remove('2.1') + logger.debug('Removed 2.1 due to %s', key) + if key not in _426_FIELDS and '2.0' in possible_versions: + possible_versions.remove('2.0') + logger.debug('Removed 2.0 due to %s', key) + + # possible_version contains qualified versions + if len(possible_versions) == 1: + return possible_versions[0] # found ! + elif len(possible_versions) == 0: + logger.debug('Out of options - unknown metadata set: %s', fields) + raise MetadataConflictError('Unknown metadata set') + + # let's see if one unique marker is found + is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS) + is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS) + is_2_1 = '2.1' in possible_versions and _has_marker(keys, _566_MARKERS) + is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS) + if int(is_1_1) + int(is_1_2) + int(is_2_1) + int(is_2_0) > 1: + raise MetadataConflictError('You used incompatible 1.1/1.2/2.0/2.1 fields') + + # we have the choice, 1.0, or 1.2, or 2.0 + # - 1.0 has a broken Summary field but works with all tools + # - 1.1 is to avoid + # - 1.2 fixes Summary but has little adoption + # - 2.0 adds more features and is very new + if not is_1_1 and not is_1_2 and not is_2_1 and not is_2_0: + # we couldn't find any specific marker + if PKG_INFO_PREFERRED_VERSION in possible_versions: + return PKG_INFO_PREFERRED_VERSION + if is_1_1: + return '1.1' + if is_1_2: + return '1.2' + if is_2_1: + return '2.1' + + return '2.0' + +_ATTR2FIELD = { + 'metadata_version': 'Metadata-Version', + 'name': 'Name', + 'version': 'Version', + 'platform': 'Platform', + 'supported_platform': 'Supported-Platform', + 'summary': 'Summary', + 'description': 'Description', + 'keywords': 'Keywords', + 'home_page': 'Home-page', + 'author': 'Author', + 'author_email': 'Author-email', + 'maintainer': 'Maintainer', + 'maintainer_email': 'Maintainer-email', + 'license': 'License', + 'classifier': 'Classifier', + 'download_url': 'Download-URL', + 'obsoletes_dist': 'Obsoletes-Dist', + 'provides_dist': 'Provides-Dist', + 'requires_dist': 'Requires-Dist', + 'setup_requires_dist': 'Setup-Requires-Dist', + 'requires_python': 'Requires-Python', + 'requires_external': 'Requires-External', + 'requires': 'Requires', + 'provides': 'Provides', + 'obsoletes': 'Obsoletes', + 'project_url': 'Project-URL', + 'private_version': 'Private-Version', + 'obsoleted_by': 'Obsoleted-By', + 'extension': 'Extension', + 'provides_extra': 'Provides-Extra', +} + +_PREDICATE_FIELDS = ('Requires-Dist', 'Obsoletes-Dist', 'Provides-Dist') +_VERSIONS_FIELDS = ('Requires-Python',) +_VERSION_FIELDS = ('Version',) +_LISTFIELDS = ('Platform', 'Classifier', 'Obsoletes', + 'Requires', 'Provides', 'Obsoletes-Dist', + 'Provides-Dist', 'Requires-Dist', 'Requires-External', + 'Project-URL', 'Supported-Platform', 'Setup-Requires-Dist', + 'Provides-Extra', 'Extension') +_LISTTUPLEFIELDS = ('Project-URL',) + +_ELEMENTSFIELD = ('Keywords',) + +_UNICODEFIELDS = ('Author', 'Maintainer', 'Summary', 'Description') + +_MISSING = object() + +_FILESAFE = re.compile('[^A-Za-z0-9.]+') + + +def _get_name_and_version(name, version, for_filename=False): + """Return the distribution name with version. + + If for_filename is true, return a filename-escaped form.""" + if for_filename: + # For both name and version any runs of non-alphanumeric or '.' + # characters are replaced with a single '-'. Additionally any + # spaces in the version string become '.' + name = _FILESAFE.sub('-', name) + version = _FILESAFE.sub('-', version.replace(' ', '.')) + return '%s-%s' % (name, version) + + +class LegacyMetadata(object): + """The legacy metadata of a release. + + Supports versions 1.0, 1.1 and 1.2 (auto-detected). You can + instantiate the class with one of these arguments (or none): + - *path*, the path to a metadata file + - *fileobj* give a file-like object with metadata as content + - *mapping* is a dict-like object + - *scheme* is a version scheme name + """ + # TODO document the mapping API and UNKNOWN default key + + def __init__(self, path=None, fileobj=None, mapping=None, + scheme='default'): + if [path, fileobj, mapping].count(None) < 2: + raise TypeError('path, fileobj and mapping are exclusive') + self._fields = {} + self.requires_files = [] + self._dependencies = None + self.scheme = scheme + if path is not None: + self.read(path) + elif fileobj is not None: + self.read_file(fileobj) + elif mapping is not None: + self.update(mapping) + self.set_metadata_version() + + def set_metadata_version(self): + self._fields['Metadata-Version'] = _best_version(self._fields) + + def _write_field(self, fileobj, name, value): + fileobj.write('%s: %s\n' % (name, value)) + + def __getitem__(self, name): + return self.get(name) + + def __setitem__(self, name, value): + return self.set(name, value) + + def __delitem__(self, name): + field_name = self._convert_name(name) + try: + del self._fields[field_name] + except KeyError: + raise KeyError(name) + + def __contains__(self, name): + return (name in self._fields or + self._convert_name(name) in self._fields) + + def _convert_name(self, name): + if name in _ALL_FIELDS: + return name + name = name.replace('-', '_').lower() + return _ATTR2FIELD.get(name, name) + + def _default_value(self, name): + if name in _LISTFIELDS or name in _ELEMENTSFIELD: + return [] + return 'UNKNOWN' + + def _remove_line_prefix(self, value): + if self.metadata_version in ('1.0', '1.1'): + return _LINE_PREFIX_PRE_1_2.sub('\n', value) + else: + return _LINE_PREFIX_1_2.sub('\n', value) + + def __getattr__(self, name): + if name in _ATTR2FIELD: + return self[name] + raise AttributeError(name) + + # + # Public API + # + +# dependencies = property(_get_dependencies, _set_dependencies) + + def get_fullname(self, filesafe=False): + """Return the distribution name with version. + + If filesafe is true, return a filename-escaped form.""" + return _get_name_and_version(self['Name'], self['Version'], filesafe) + + def is_field(self, name): + """return True if name is a valid metadata key""" + name = self._convert_name(name) + return name in _ALL_FIELDS + + def is_multi_field(self, name): + name = self._convert_name(name) + return name in _LISTFIELDS + + def read(self, filepath): + """Read the metadata values from a file path.""" + fp = codecs.open(filepath, 'r', encoding='utf-8') + try: + self.read_file(fp) + finally: + fp.close() + + def read_file(self, fileob): + """Read the metadata values from a file object.""" + msg = message_from_file(fileob) + self._fields['Metadata-Version'] = msg['metadata-version'] + + # When reading, get all the fields we can + for field in _ALL_FIELDS: + if field not in msg: + continue + if field in _LISTFIELDS: + # we can have multiple lines + values = msg.get_all(field) + if field in _LISTTUPLEFIELDS and values is not None: + values = [tuple(value.split(',')) for value in values] + self.set(field, values) + else: + # single line + value = msg[field] + if value is not None and value != 'UNKNOWN': + self.set(field, value) + # logger.debug('Attempting to set metadata for %s', self) + # self.set_metadata_version() + + def write(self, filepath, skip_unknown=False): + """Write the metadata fields to filepath.""" + fp = codecs.open(filepath, 'w', encoding='utf-8') + try: + self.write_file(fp, skip_unknown) + finally: + fp.close() + + def write_file(self, fileobject, skip_unknown=False): + """Write the PKG-INFO format data to a file object.""" + self.set_metadata_version() + + for field in _version2fieldlist(self['Metadata-Version']): + values = self.get(field) + if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']): + continue + if field in _ELEMENTSFIELD: + self._write_field(fileobject, field, ','.join(values)) + continue + if field not in _LISTFIELDS: + if field == 'Description': + if self.metadata_version in ('1.0', '1.1'): + values = values.replace('\n', '\n ') + else: + values = values.replace('\n', '\n |') + values = [values] + + if field in _LISTTUPLEFIELDS: + values = [','.join(value) for value in values] + + for value in values: + self._write_field(fileobject, field, value) + + def update(self, other=None, **kwargs): + """Set metadata values from the given iterable `other` and kwargs. + + Behavior is like `dict.update`: If `other` has a ``keys`` method, + they are looped over and ``self[key]`` is assigned ``other[key]``. + Else, ``other`` is an iterable of ``(key, value)`` iterables. + + Keys that don't match a metadata field or that have an empty value are + dropped. + """ + def _set(key, value): + if key in _ATTR2FIELD and value: + self.set(self._convert_name(key), value) + + if not other: + # other is None or empty container + pass + elif hasattr(other, 'keys'): + for k in other.keys(): + _set(k, other[k]) + else: + for k, v in other: + _set(k, v) + + if kwargs: + for k, v in kwargs.items(): + _set(k, v) + + def set(self, name, value): + """Control then set a metadata field.""" + name = self._convert_name(name) + + if ((name in _ELEMENTSFIELD or name == 'Platform') and + not isinstance(value, (list, tuple))): + if isinstance(value, string_types): + value = [v.strip() for v in value.split(',')] + else: + value = [] + elif (name in _LISTFIELDS and + not isinstance(value, (list, tuple))): + if isinstance(value, string_types): + value = [value] + else: + value = [] + + if logger.isEnabledFor(logging.WARNING): + project_name = self['Name'] + + scheme = get_scheme(self.scheme) + if name in _PREDICATE_FIELDS and value is not None: + for v in value: + # check that the values are valid + if not scheme.is_valid_matcher(v.split(';')[0]): + logger.warning( + "'%s': '%s' is not valid (field '%s')", + project_name, v, name) + # FIXME this rejects UNKNOWN, is that right? + elif name in _VERSIONS_FIELDS and value is not None: + if not scheme.is_valid_constraint_list(value): + logger.warning("'%s': '%s' is not a valid version (field '%s')", + project_name, value, name) + elif name in _VERSION_FIELDS and value is not None: + if not scheme.is_valid_version(value): + logger.warning("'%s': '%s' is not a valid version (field '%s')", + project_name, value, name) + + if name in _UNICODEFIELDS: + if name == 'Description': + value = self._remove_line_prefix(value) + + self._fields[name] = value + + def get(self, name, default=_MISSING): + """Get a metadata field.""" + name = self._convert_name(name) + if name not in self._fields: + if default is _MISSING: + default = self._default_value(name) + return default + if name in _UNICODEFIELDS: + value = self._fields[name] + return value + elif name in _LISTFIELDS: + value = self._fields[name] + if value is None: + return [] + res = [] + for val in value: + if name not in _LISTTUPLEFIELDS: + res.append(val) + else: + # That's for Project-URL + res.append((val[0], val[1])) + return res + + elif name in _ELEMENTSFIELD: + value = self._fields[name] + if isinstance(value, string_types): + return value.split(',') + return self._fields[name] + + def check(self, strict=False): + """Check if the metadata is compliant. If strict is True then raise if + no Name or Version are provided""" + self.set_metadata_version() + + # XXX should check the versions (if the file was loaded) + missing, warnings = [], [] + + for attr in ('Name', 'Version'): # required by PEP 345 + if attr not in self: + missing.append(attr) + + if strict and missing != []: + msg = 'missing required metadata: %s' % ', '.join(missing) + raise MetadataMissingError(msg) + + for attr in ('Home-page', 'Author'): + if attr not in self: + missing.append(attr) + + # checking metadata 1.2 (XXX needs to check 1.1, 1.0) + if self['Metadata-Version'] != '1.2': + return missing, warnings + + scheme = get_scheme(self.scheme) + + def are_valid_constraints(value): + for v in value: + if not scheme.is_valid_matcher(v.split(';')[0]): + return False + return True + + for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints), + (_VERSIONS_FIELDS, + scheme.is_valid_constraint_list), + (_VERSION_FIELDS, + scheme.is_valid_version)): + for field in fields: + value = self.get(field, None) + if value is not None and not controller(value): + warnings.append("Wrong value for '%s': %s" % (field, value)) + + return missing, warnings + + def todict(self, skip_missing=False): + """Return fields as a dict. + + Field names will be converted to use the underscore-lowercase style + instead of hyphen-mixed case (i.e. home_page instead of Home-page). + """ + self.set_metadata_version() + + mapping_1_0 = ( + ('metadata_version', 'Metadata-Version'), + ('name', 'Name'), + ('version', 'Version'), + ('summary', 'Summary'), + ('home_page', 'Home-page'), + ('author', 'Author'), + ('author_email', 'Author-email'), + ('license', 'License'), + ('description', 'Description'), + ('keywords', 'Keywords'), + ('platform', 'Platform'), + ('classifiers', 'Classifier'), + ('download_url', 'Download-URL'), + ) + + data = {} + for key, field_name in mapping_1_0: + if not skip_missing or field_name in self._fields: + data[key] = self[field_name] + + if self['Metadata-Version'] == '1.2': + mapping_1_2 = ( + ('requires_dist', 'Requires-Dist'), + ('requires_python', 'Requires-Python'), + ('requires_external', 'Requires-External'), + ('provides_dist', 'Provides-Dist'), + ('obsoletes_dist', 'Obsoletes-Dist'), + ('project_url', 'Project-URL'), + ('maintainer', 'Maintainer'), + ('maintainer_email', 'Maintainer-email'), + ) + for key, field_name in mapping_1_2: + if not skip_missing or field_name in self._fields: + if key != 'project_url': + data[key] = self[field_name] + else: + data[key] = [','.join(u) for u in self[field_name]] + + elif self['Metadata-Version'] == '1.1': + mapping_1_1 = ( + ('provides', 'Provides'), + ('requires', 'Requires'), + ('obsoletes', 'Obsoletes'), + ) + for key, field_name in mapping_1_1: + if not skip_missing or field_name in self._fields: + data[key] = self[field_name] + + return data + + def add_requirements(self, requirements): + if self['Metadata-Version'] == '1.1': + # we can't have 1.1 metadata *and* Setuptools requires + for field in ('Obsoletes', 'Requires', 'Provides'): + if field in self: + del self[field] + self['Requires-Dist'] += requirements + + # Mapping API + # TODO could add iter* variants + + def keys(self): + return list(_version2fieldlist(self['Metadata-Version'])) + + def __iter__(self): + for key in self.keys(): + yield key + + def values(self): + return [self[key] for key in self.keys()] + + def items(self): + return [(key, self[key]) for key in self.keys()] + + def __repr__(self): + return '<%s %s %s>' % (self.__class__.__name__, self.name, + self.version) + + +METADATA_FILENAME = 'pydist.json' +WHEEL_METADATA_FILENAME = 'metadata.json' +LEGACY_METADATA_FILENAME = 'METADATA' + + +class Metadata(object): + """ + The metadata of a release. This implementation uses 2.0 (JSON) + metadata where possible. If not possible, it wraps a LegacyMetadata + instance which handles the key-value metadata format. + """ + + METADATA_VERSION_MATCHER = re.compile(r'^\d+(\.\d+)*$') + + NAME_MATCHER = re.compile('^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$', re.I) + + VERSION_MATCHER = PEP440_VERSION_RE + + SUMMARY_MATCHER = re.compile('.{1,2047}') + + METADATA_VERSION = '2.0' + + GENERATOR = 'distlib (%s)' % __version__ + + MANDATORY_KEYS = { + 'name': (), + 'version': (), + 'summary': ('legacy',), + } + + INDEX_KEYS = ('name version license summary description author ' + 'author_email keywords platform home_page classifiers ' + 'download_url') + + DEPENDENCY_KEYS = ('extras run_requires test_requires build_requires ' + 'dev_requires provides meta_requires obsoleted_by ' + 'supports_environments') + + SYNTAX_VALIDATORS = { + 'metadata_version': (METADATA_VERSION_MATCHER, ()), + 'name': (NAME_MATCHER, ('legacy',)), + 'version': (VERSION_MATCHER, ('legacy',)), + 'summary': (SUMMARY_MATCHER, ('legacy',)), + } + + __slots__ = ('_legacy', '_data', 'scheme') + + def __init__(self, path=None, fileobj=None, mapping=None, + scheme='default'): + if [path, fileobj, mapping].count(None) < 2: + raise TypeError('path, fileobj and mapping are exclusive') + self._legacy = None + self._data = None + self.scheme = scheme + #import pdb; pdb.set_trace() + if mapping is not None: + try: + self._validate_mapping(mapping, scheme) + self._data = mapping + except MetadataUnrecognizedVersionError: + self._legacy = LegacyMetadata(mapping=mapping, scheme=scheme) + self.validate() + else: + data = None + if path: + with open(path, 'rb') as f: + data = f.read() + elif fileobj: + data = fileobj.read() + if data is None: + # Initialised with no args - to be added + self._data = { + 'metadata_version': self.METADATA_VERSION, + 'generator': self.GENERATOR, + } + else: + if not isinstance(data, text_type): + data = data.decode('utf-8') + try: + self._data = json.loads(data) + self._validate_mapping(self._data, scheme) + except ValueError: + # Note: MetadataUnrecognizedVersionError does not + # inherit from ValueError (it's a DistlibException, + # which should not inherit from ValueError). + # The ValueError comes from the json.load - if that + # succeeds and we get a validation error, we want + # that to propagate + self._legacy = LegacyMetadata(fileobj=StringIO(data), + scheme=scheme) + self.validate() + + common_keys = set(('name', 'version', 'license', 'keywords', 'summary')) + + none_list = (None, list) + none_dict = (None, dict) + + mapped_keys = { + 'run_requires': ('Requires-Dist', list), + 'build_requires': ('Setup-Requires-Dist', list), + 'dev_requires': none_list, + 'test_requires': none_list, + 'meta_requires': none_list, + 'extras': ('Provides-Extra', list), + 'modules': none_list, + 'namespaces': none_list, + 'exports': none_dict, + 'commands': none_dict, + 'classifiers': ('Classifier', list), + 'source_url': ('Download-URL', None), + 'metadata_version': ('Metadata-Version', None), + } + + del none_list, none_dict + + def __getattribute__(self, key): + common = object.__getattribute__(self, 'common_keys') + mapped = object.__getattribute__(self, 'mapped_keys') + if key in mapped: + lk, maker = mapped[key] + if self._legacy: + if lk is None: + result = None if maker is None else maker() + else: + result = self._legacy.get(lk) + else: + value = None if maker is None else maker() + if key not in ('commands', 'exports', 'modules', 'namespaces', + 'classifiers'): + result = self._data.get(key, value) + else: + # special cases for PEP 459 + sentinel = object() + result = sentinel + d = self._data.get('extensions') + if d: + if key == 'commands': + result = d.get('python.commands', value) + elif key == 'classifiers': + d = d.get('python.details') + if d: + result = d.get(key, value) + else: + d = d.get('python.exports') + if not d: + d = self._data.get('python.exports') + if d: + result = d.get(key, value) + if result is sentinel: + result = value + elif key not in common: + result = object.__getattribute__(self, key) + elif self._legacy: + result = self._legacy.get(key) + else: + result = self._data.get(key) + return result + + def _validate_value(self, key, value, scheme=None): + if key in self.SYNTAX_VALIDATORS: + pattern, exclusions = self.SYNTAX_VALIDATORS[key] + if (scheme or self.scheme) not in exclusions: + m = pattern.match(value) + if not m: + raise MetadataInvalidError("'%s' is an invalid value for " + "the '%s' property" % (value, + key)) + + def __setattr__(self, key, value): + self._validate_value(key, value) + common = object.__getattribute__(self, 'common_keys') + mapped = object.__getattribute__(self, 'mapped_keys') + if key in mapped: + lk, _ = mapped[key] + if self._legacy: + if lk is None: + raise NotImplementedError + self._legacy[lk] = value + elif key not in ('commands', 'exports', 'modules', 'namespaces', + 'classifiers'): + self._data[key] = value + else: + # special cases for PEP 459 + d = self._data.setdefault('extensions', {}) + if key == 'commands': + d['python.commands'] = value + elif key == 'classifiers': + d = d.setdefault('python.details', {}) + d[key] = value + else: + d = d.setdefault('python.exports', {}) + d[key] = value + elif key not in common: + object.__setattr__(self, key, value) + else: + if key == 'keywords': + if isinstance(value, string_types): + value = value.strip() + if value: + value = value.split() + else: + value = [] + if self._legacy: + self._legacy[key] = value + else: + self._data[key] = value + + @property + def name_and_version(self): + return _get_name_and_version(self.name, self.version, True) + + @property + def provides(self): + if self._legacy: + result = self._legacy['Provides-Dist'] + else: + result = self._data.setdefault('provides', []) + s = '%s (%s)' % (self.name, self.version) + if s not in result: + result.append(s) + return result + + @provides.setter + def provides(self, value): + if self._legacy: + self._legacy['Provides-Dist'] = value + else: + self._data['provides'] = value + + def get_requirements(self, reqts, extras=None, env=None): + """ + Base method to get dependencies, given a set of extras + to satisfy and an optional environment context. + :param reqts: A list of sometimes-wanted dependencies, + perhaps dependent on extras and environment. + :param extras: A list of optional components being requested. + :param env: An optional environment for marker evaluation. + """ + if self._legacy: + result = reqts + else: + result = [] + extras = get_extras(extras or [], self.extras) + for d in reqts: + if 'extra' not in d and 'environment' not in d: + # unconditional + include = True + else: + if 'extra' not in d: + # Not extra-dependent - only environment-dependent + include = True + else: + include = d.get('extra') in extras + if include: + # Not excluded because of extras, check environment + marker = d.get('environment') + if marker: + include = interpret(marker, env) + if include: + result.extend(d['requires']) + for key in ('build', 'dev', 'test'): + e = ':%s:' % key + if e in extras: + extras.remove(e) + # A recursive call, but it should terminate since 'test' + # has been removed from the extras + reqts = self._data.get('%s_requires' % key, []) + result.extend(self.get_requirements(reqts, extras=extras, + env=env)) + return result + + @property + def dictionary(self): + if self._legacy: + return self._from_legacy() + return self._data + + @property + def dependencies(self): + if self._legacy: + raise NotImplementedError + else: + return extract_by_key(self._data, self.DEPENDENCY_KEYS) + + @dependencies.setter + def dependencies(self, value): + if self._legacy: + raise NotImplementedError + else: + self._data.update(value) + + def _validate_mapping(self, mapping, scheme): + if mapping.get('metadata_version') != self.METADATA_VERSION: + raise MetadataUnrecognizedVersionError() + missing = [] + for key, exclusions in self.MANDATORY_KEYS.items(): + if key not in mapping: + if scheme not in exclusions: + missing.append(key) + if missing: + msg = 'Missing metadata items: %s' % ', '.join(missing) + raise MetadataMissingError(msg) + for k, v in mapping.items(): + self._validate_value(k, v, scheme) + + def validate(self): + if self._legacy: + missing, warnings = self._legacy.check(True) + if missing or warnings: + logger.warning('Metadata: missing: %s, warnings: %s', + missing, warnings) + else: + self._validate_mapping(self._data, self.scheme) + + def todict(self): + if self._legacy: + return self._legacy.todict(True) + else: + result = extract_by_key(self._data, self.INDEX_KEYS) + return result + + def _from_legacy(self): + assert self._legacy and not self._data + result = { + 'metadata_version': self.METADATA_VERSION, + 'generator': self.GENERATOR, + } + lmd = self._legacy.todict(True) # skip missing ones + for k in ('name', 'version', 'license', 'summary', 'description', + 'classifier'): + if k in lmd: + if k == 'classifier': + nk = 'classifiers' + else: + nk = k + result[nk] = lmd[k] + kw = lmd.get('Keywords', []) + if kw == ['']: + kw = [] + result['keywords'] = kw + keys = (('requires_dist', 'run_requires'), + ('setup_requires_dist', 'build_requires')) + for ok, nk in keys: + if ok in lmd and lmd[ok]: + result[nk] = [{'requires': lmd[ok]}] + result['provides'] = self.provides + author = {} + maintainer = {} + return result + + LEGACY_MAPPING = { + 'name': 'Name', + 'version': 'Version', + 'license': 'License', + 'summary': 'Summary', + 'description': 'Description', + 'classifiers': 'Classifier', + } + + def _to_legacy(self): + def process_entries(entries): + reqts = set() + for e in entries: + extra = e.get('extra') + env = e.get('environment') + rlist = e['requires'] + for r in rlist: + if not env and not extra: + reqts.add(r) + else: + marker = '' + if extra: + marker = 'extra == "%s"' % extra + if env: + if marker: + marker = '(%s) and %s' % (env, marker) + else: + marker = env + reqts.add(';'.join((r, marker))) + return reqts + + assert self._data and not self._legacy + result = LegacyMetadata() + nmd = self._data + for nk, ok in self.LEGACY_MAPPING.items(): + if nk in nmd: + result[ok] = nmd[nk] + r1 = process_entries(self.run_requires + self.meta_requires) + r2 = process_entries(self.build_requires + self.dev_requires) + if self.extras: + result['Provides-Extra'] = sorted(self.extras) + result['Requires-Dist'] = sorted(r1) + result['Setup-Requires-Dist'] = sorted(r2) + # TODO: other fields such as contacts + return result + + def write(self, path=None, fileobj=None, legacy=False, skip_unknown=True): + if [path, fileobj].count(None) != 1: + raise ValueError('Exactly one of path and fileobj is needed') + self.validate() + if legacy: + if self._legacy: + legacy_md = self._legacy + else: + legacy_md = self._to_legacy() + if path: + legacy_md.write(path, skip_unknown=skip_unknown) + else: + legacy_md.write_file(fileobj, skip_unknown=skip_unknown) + else: + if self._legacy: + d = self._from_legacy() + else: + d = self._data + if fileobj: + json.dump(d, fileobj, ensure_ascii=True, indent=2, + sort_keys=True) + else: + with codecs.open(path, 'w', 'utf-8') as f: + json.dump(d, f, ensure_ascii=True, indent=2, + sort_keys=True) + + def add_requirements(self, requirements): + if self._legacy: + self._legacy.add_requirements(requirements) + else: + run_requires = self._data.setdefault('run_requires', []) + always = None + for entry in run_requires: + if 'environment' not in entry and 'extra' not in entry: + always = entry + break + if always is None: + always = { 'requires': requirements } + run_requires.insert(0, always) + else: + rset = set(always['requires']) | set(requirements) + always['requires'] = sorted(rset) + + def __repr__(self): + name = self.name or '(no name)' + version = self.version or 'no version' + return '<%s %s %s (%s)>' % (self.__class__.__name__, + self.metadata_version, name, version) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/resources.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/resources.py new file mode 100644 index 0000000..1884016 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/resources.py @@ -0,0 +1,355 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013-2017 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import unicode_literals + +import bisect +import io +import logging +import os +import pkgutil +import shutil +import sys +import types +import zipimport + +from . import DistlibException +from .util import cached_property, get_cache_base, path_to_cache_dir, Cache + +logger = logging.getLogger(__name__) + + +cache = None # created when needed + + +class ResourceCache(Cache): + def __init__(self, base=None): + if base is None: + # Use native string to avoid issues on 2.x: see Python #20140. + base = os.path.join(get_cache_base(), str('resource-cache')) + super(ResourceCache, self).__init__(base) + + def is_stale(self, resource, path): + """ + Is the cache stale for the given resource? + + :param resource: The :class:`Resource` being cached. + :param path: The path of the resource in the cache. + :return: True if the cache is stale. + """ + # Cache invalidation is a hard problem :-) + return True + + def get(self, resource): + """ + Get a resource into the cache, + + :param resource: A :class:`Resource` instance. + :return: The pathname of the resource in the cache. + """ + prefix, path = resource.finder.get_cache_info(resource) + if prefix is None: + result = path + else: + result = os.path.join(self.base, self.prefix_to_dir(prefix), path) + dirname = os.path.dirname(result) + if not os.path.isdir(dirname): + os.makedirs(dirname) + if not os.path.exists(result): + stale = True + else: + stale = self.is_stale(resource, path) + if stale: + # write the bytes of the resource to the cache location + with open(result, 'wb') as f: + f.write(resource.bytes) + return result + + +class ResourceBase(object): + def __init__(self, finder, name): + self.finder = finder + self.name = name + + +class Resource(ResourceBase): + """ + A class representing an in-package resource, such as a data file. This is + not normally instantiated by user code, but rather by a + :class:`ResourceFinder` which manages the resource. + """ + is_container = False # Backwards compatibility + + def as_stream(self): + """ + Get the resource as a stream. + + This is not a property to make it obvious that it returns a new stream + each time. + """ + return self.finder.get_stream(self) + + @cached_property + def file_path(self): + global cache + if cache is None: + cache = ResourceCache() + return cache.get(self) + + @cached_property + def bytes(self): + return self.finder.get_bytes(self) + + @cached_property + def size(self): + return self.finder.get_size(self) + + +class ResourceContainer(ResourceBase): + is_container = True # Backwards compatibility + + @cached_property + def resources(self): + return self.finder.get_resources(self) + + +class ResourceFinder(object): + """ + Resource finder for file system resources. + """ + + if sys.platform.startswith('java'): + skipped_extensions = ('.pyc', '.pyo', '.class') + else: + skipped_extensions = ('.pyc', '.pyo') + + def __init__(self, module): + self.module = module + self.loader = getattr(module, '__loader__', None) + self.base = os.path.dirname(getattr(module, '__file__', '')) + + def _adjust_path(self, path): + return os.path.realpath(path) + + def _make_path(self, resource_name): + # Issue #50: need to preserve type of path on Python 2.x + # like os.path._get_sep + if isinstance(resource_name, bytes): # should only happen on 2.x + sep = b'/' + else: + sep = '/' + parts = resource_name.split(sep) + parts.insert(0, self.base) + result = os.path.join(*parts) + return self._adjust_path(result) + + def _find(self, path): + return os.path.exists(path) + + def get_cache_info(self, resource): + return None, resource.path + + def find(self, resource_name): + path = self._make_path(resource_name) + if not self._find(path): + result = None + else: + if self._is_directory(path): + result = ResourceContainer(self, resource_name) + else: + result = Resource(self, resource_name) + result.path = path + return result + + def get_stream(self, resource): + return open(resource.path, 'rb') + + def get_bytes(self, resource): + with open(resource.path, 'rb') as f: + return f.read() + + def get_size(self, resource): + return os.path.getsize(resource.path) + + def get_resources(self, resource): + def allowed(f): + return (f != '__pycache__' and not + f.endswith(self.skipped_extensions)) + return set([f for f in os.listdir(resource.path) if allowed(f)]) + + def is_container(self, resource): + return self._is_directory(resource.path) + + _is_directory = staticmethod(os.path.isdir) + + def iterator(self, resource_name): + resource = self.find(resource_name) + if resource is not None: + todo = [resource] + while todo: + resource = todo.pop(0) + yield resource + if resource.is_container: + rname = resource.name + for name in resource.resources: + if not rname: + new_name = name + else: + new_name = '/'.join([rname, name]) + child = self.find(new_name) + if child.is_container: + todo.append(child) + else: + yield child + + +class ZipResourceFinder(ResourceFinder): + """ + Resource finder for resources in .zip files. + """ + def __init__(self, module): + super(ZipResourceFinder, self).__init__(module) + archive = self.loader.archive + self.prefix_len = 1 + len(archive) + # PyPy doesn't have a _files attr on zipimporter, and you can't set one + if hasattr(self.loader, '_files'): + self._files = self.loader._files + else: + self._files = zipimport._zip_directory_cache[archive] + self.index = sorted(self._files) + + def _adjust_path(self, path): + return path + + def _find(self, path): + path = path[self.prefix_len:] + if path in self._files: + result = True + else: + if path and path[-1] != os.sep: + path = path + os.sep + i = bisect.bisect(self.index, path) + try: + result = self.index[i].startswith(path) + except IndexError: + result = False + if not result: + logger.debug('_find failed: %r %r', path, self.loader.prefix) + else: + logger.debug('_find worked: %r %r', path, self.loader.prefix) + return result + + def get_cache_info(self, resource): + prefix = self.loader.archive + path = resource.path[1 + len(prefix):] + return prefix, path + + def get_bytes(self, resource): + return self.loader.get_data(resource.path) + + def get_stream(self, resource): + return io.BytesIO(self.get_bytes(resource)) + + def get_size(self, resource): + path = resource.path[self.prefix_len:] + return self._files[path][3] + + def get_resources(self, resource): + path = resource.path[self.prefix_len:] + if path and path[-1] != os.sep: + path += os.sep + plen = len(path) + result = set() + i = bisect.bisect(self.index, path) + while i < len(self.index): + if not self.index[i].startswith(path): + break + s = self.index[i][plen:] + result.add(s.split(os.sep, 1)[0]) # only immediate children + i += 1 + return result + + def _is_directory(self, path): + path = path[self.prefix_len:] + if path and path[-1] != os.sep: + path += os.sep + i = bisect.bisect(self.index, path) + try: + result = self.index[i].startswith(path) + except IndexError: + result = False + return result + +_finder_registry = { + type(None): ResourceFinder, + zipimport.zipimporter: ZipResourceFinder +} + +try: + # In Python 3.6, _frozen_importlib -> _frozen_importlib_external + try: + import _frozen_importlib_external as _fi + except ImportError: + import _frozen_importlib as _fi + _finder_registry[_fi.SourceFileLoader] = ResourceFinder + _finder_registry[_fi.FileFinder] = ResourceFinder + del _fi +except (ImportError, AttributeError): + pass + + +def register_finder(loader, finder_maker): + _finder_registry[type(loader)] = finder_maker + +_finder_cache = {} + + +def finder(package): + """ + Return a resource finder for a package. + :param package: The name of the package. + :return: A :class:`ResourceFinder` instance for the package. + """ + if package in _finder_cache: + result = _finder_cache[package] + else: + if package not in sys.modules: + __import__(package) + module = sys.modules[package] + path = getattr(module, '__path__', None) + if path is None: + raise DistlibException('You cannot get a finder for a module, ' + 'only for a package') + loader = getattr(module, '__loader__', None) + finder_maker = _finder_registry.get(type(loader)) + if finder_maker is None: + raise DistlibException('Unable to locate finder for %r' % package) + result = finder_maker(module) + _finder_cache[package] = result + return result + + +_dummy_module = types.ModuleType(str('__dummy__')) + + +def finder_for_path(path): + """ + Return a resource finder for a path, which should represent a container. + + :param path: The path. + :return: A :class:`ResourceFinder` instance for the path. + """ + result = None + # calls any path hooks, gets importer into cache + pkgutil.get_importer(path) + loader = sys.path_importer_cache.get(path) + finder = _finder_registry.get(type(loader)) + if finder: + module = _dummy_module + module.__file__ = os.path.join(path, '') + module.__loader__ = loader + result = finder(module) + return result diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/scripts.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/scripts.py new file mode 100644 index 0000000..8e22cb9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/scripts.py @@ -0,0 +1,417 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013-2015 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from io import BytesIO +import logging +import os +import re +import struct +import sys + +from .compat import sysconfig, detect_encoding, ZipFile +from .resources import finder +from .util import (FileOperator, get_export_entry, convert_path, + get_executable, in_venv) + +logger = logging.getLogger(__name__) + +_DEFAULT_MANIFEST = ''' +<?xml version="1.0" encoding="UTF-8" standalone="yes"?> +<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> + <assemblyIdentity version="1.0.0.0" + processorArchitecture="X86" + name="%s" + type="win32"/> + + <!-- Identify the application security requirements. --> + <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"> + <security> + <requestedPrivileges> + <requestedExecutionLevel level="asInvoker" uiAccess="false"/> + </requestedPrivileges> + </security> + </trustInfo> +</assembly>'''.strip() + +# check if Python is called on the first line with this expression +FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$') +SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*- +if __name__ == '__main__': + import sys, re + + def _resolve(module, func): + __import__(module) + mod = sys.modules[module] + parts = func.split('.') + result = getattr(mod, parts.pop(0)) + for p in parts: + result = getattr(result, p) + return result + + try: + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + + func = _resolve('%(module)s', '%(func)s') + rc = func() # None interpreted as 0 + except Exception as e: # only supporting Python >= 2.6 + sys.stderr.write('%%s\n' %% e) + rc = 1 + sys.exit(rc) +''' + + +def _enquote_executable(executable): + if ' ' in executable: + # make sure we quote only the executable in case of env + # for example /usr/bin/env "/dir with spaces/bin/jython" + # instead of "/usr/bin/env /dir with spaces/bin/jython" + # otherwise whole + if executable.startswith('/usr/bin/env '): + env, _executable = executable.split(' ', 1) + if ' ' in _executable and not _executable.startswith('"'): + executable = '%s "%s"' % (env, _executable) + else: + if not executable.startswith('"'): + executable = '"%s"' % executable + return executable + + +class ScriptMaker(object): + """ + A class to copy or create scripts from source scripts or callable + specifications. + """ + script_template = SCRIPT_TEMPLATE + + executable = None # for shebangs + + def __init__(self, source_dir, target_dir, add_launchers=True, + dry_run=False, fileop=None): + self.source_dir = source_dir + self.target_dir = target_dir + self.add_launchers = add_launchers + self.force = False + self.clobber = False + # It only makes sense to set mode bits on POSIX. + self.set_mode = (os.name == 'posix') or (os.name == 'java' and + os._name == 'posix') + self.variants = set(('', 'X.Y')) + self._fileop = fileop or FileOperator(dry_run) + + self._is_nt = os.name == 'nt' or ( + os.name == 'java' and os._name == 'nt') + + def _get_alternate_executable(self, executable, options): + if options.get('gui', False) and self._is_nt: # pragma: no cover + dn, fn = os.path.split(executable) + fn = fn.replace('python', 'pythonw') + executable = os.path.join(dn, fn) + return executable + + if sys.platform.startswith('java'): # pragma: no cover + def _is_shell(self, executable): + """ + Determine if the specified executable is a script + (contains a #! line) + """ + try: + with open(executable) as fp: + return fp.read(2) == '#!' + except (OSError, IOError): + logger.warning('Failed to open %s', executable) + return False + + def _fix_jython_executable(self, executable): + if self._is_shell(executable): + # Workaround for Jython is not needed on Linux systems. + import java + + if java.lang.System.getProperty('os.name') == 'Linux': + return executable + elif executable.lower().endswith('jython.exe'): + # Use wrapper exe for Jython on Windows + return executable + return '/usr/bin/env %s' % executable + + def _build_shebang(self, executable, post_interp): + """ + Build a shebang line. In the simple case (on Windows, or a shebang line + which is not too long or contains spaces) use a simple formulation for + the shebang. Otherwise, use /bin/sh as the executable, with a contrived + shebang which allows the script to run either under Python or sh, using + suitable quoting. Thanks to Harald Nordgren for his input. + + See also: http://www.in-ulm.de/~mascheck/various/shebang/#length + https://hg.mozilla.org/mozilla-central/file/tip/mach + """ + if os.name != 'posix': + simple_shebang = True + else: + # Add 3 for '#!' prefix and newline suffix. + shebang_length = len(executable) + len(post_interp) + 3 + if sys.platform == 'darwin': + max_shebang_length = 512 + else: + max_shebang_length = 127 + simple_shebang = ((b' ' not in executable) and + (shebang_length <= max_shebang_length)) + + if simple_shebang: + result = b'#!' + executable + post_interp + b'\n' + else: + result = b'#!/bin/sh\n' + result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n' + result += b"' '''" + return result + + def _get_shebang(self, encoding, post_interp=b'', options=None): + enquote = True + if self.executable: + executable = self.executable + enquote = False # assume this will be taken care of + elif not sysconfig.is_python_build(): + executable = get_executable() + elif in_venv(): # pragma: no cover + executable = os.path.join(sysconfig.get_path('scripts'), + 'python%s' % sysconfig.get_config_var('EXE')) + else: # pragma: no cover + executable = os.path.join( + sysconfig.get_config_var('BINDIR'), + 'python%s%s' % (sysconfig.get_config_var('VERSION'), + sysconfig.get_config_var('EXE'))) + if options: + executable = self._get_alternate_executable(executable, options) + + if sys.platform.startswith('java'): # pragma: no cover + executable = self._fix_jython_executable(executable) + # Normalise case for Windows + executable = os.path.normcase(executable) + # If the user didn't specify an executable, it may be necessary to + # cater for executable paths with spaces (not uncommon on Windows) + if enquote: + executable = _enquote_executable(executable) + # Issue #51: don't use fsencode, since we later try to + # check that the shebang is decodable using utf-8. + executable = executable.encode('utf-8') + # in case of IronPython, play safe and enable frames support + if (sys.platform == 'cli' and '-X:Frames' not in post_interp + and '-X:FullFrames' not in post_interp): # pragma: no cover + post_interp += b' -X:Frames' + shebang = self._build_shebang(executable, post_interp) + # Python parser starts to read a script using UTF-8 until + # it gets a #coding:xxx cookie. The shebang has to be the + # first line of a file, the #coding:xxx cookie cannot be + # written before. So the shebang has to be decodable from + # UTF-8. + try: + shebang.decode('utf-8') + except UnicodeDecodeError: # pragma: no cover + raise ValueError( + 'The shebang (%r) is not decodable from utf-8' % shebang) + # If the script is encoded to a custom encoding (use a + # #coding:xxx cookie), the shebang has to be decodable from + # the script encoding too. + if encoding != 'utf-8': + try: + shebang.decode(encoding) + except UnicodeDecodeError: # pragma: no cover + raise ValueError( + 'The shebang (%r) is not decodable ' + 'from the script encoding (%r)' % (shebang, encoding)) + return shebang + + def _get_script_text(self, entry): + return self.script_template % dict(module=entry.prefix, + func=entry.suffix) + + manifest = _DEFAULT_MANIFEST + + def get_manifest(self, exename): + base = os.path.basename(exename) + return self.manifest % base + + def _write_script(self, names, shebang, script_bytes, filenames, ext): + use_launcher = self.add_launchers and self._is_nt + linesep = os.linesep.encode('utf-8') + if not shebang.endswith(linesep): + shebang += linesep + if not use_launcher: + script_bytes = shebang + script_bytes + else: # pragma: no cover + if ext == 'py': + launcher = self._get_launcher('t') + else: + launcher = self._get_launcher('w') + stream = BytesIO() + with ZipFile(stream, 'w') as zf: + zf.writestr('__main__.py', script_bytes) + zip_data = stream.getvalue() + script_bytes = launcher + shebang + zip_data + for name in names: + outname = os.path.join(self.target_dir, name) + if use_launcher: # pragma: no cover + n, e = os.path.splitext(outname) + if e.startswith('.py'): + outname = n + outname = '%s.exe' % outname + try: + self._fileop.write_binary_file(outname, script_bytes) + except Exception: + # Failed writing an executable - it might be in use. + logger.warning('Failed to write executable - trying to ' + 'use .deleteme logic') + dfname = '%s.deleteme' % outname + if os.path.exists(dfname): + os.remove(dfname) # Not allowed to fail here + os.rename(outname, dfname) # nor here + self._fileop.write_binary_file(outname, script_bytes) + logger.debug('Able to replace executable using ' + '.deleteme logic') + try: + os.remove(dfname) + except Exception: + pass # still in use - ignore error + else: + if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover + outname = '%s.%s' % (outname, ext) + if os.path.exists(outname) and not self.clobber: + logger.warning('Skipping existing file %s', outname) + continue + self._fileop.write_binary_file(outname, script_bytes) + if self.set_mode: + self._fileop.set_executable_mode([outname]) + filenames.append(outname) + + def _make_script(self, entry, filenames, options=None): + post_interp = b'' + if options: + args = options.get('interpreter_args', []) + if args: + args = ' %s' % ' '.join(args) + post_interp = args.encode('utf-8') + shebang = self._get_shebang('utf-8', post_interp, options=options) + script = self._get_script_text(entry).encode('utf-8') + name = entry.name + scriptnames = set() + if '' in self.variants: + scriptnames.add(name) + if 'X' in self.variants: + scriptnames.add('%s%s' % (name, sys.version[0])) + if 'X.Y' in self.variants: + scriptnames.add('%s-%s' % (name, sys.version[:3])) + if options and options.get('gui', False): + ext = 'pyw' + else: + ext = 'py' + self._write_script(scriptnames, shebang, script, filenames, ext) + + def _copy_script(self, script, filenames): + adjust = False + script = os.path.join(self.source_dir, convert_path(script)) + outname = os.path.join(self.target_dir, os.path.basename(script)) + if not self.force and not self._fileop.newer(script, outname): + logger.debug('not copying %s (up-to-date)', script) + return + + # Always open the file, but ignore failures in dry-run mode -- + # that way, we'll get accurate feedback if we can read the + # script. + try: + f = open(script, 'rb') + except IOError: # pragma: no cover + if not self.dry_run: + raise + f = None + else: + first_line = f.readline() + if not first_line: # pragma: no cover + logger.warning('%s: %s is an empty file (skipping)', + self.get_command_name(), script) + return + + match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n')) + if match: + adjust = True + post_interp = match.group(1) or b'' + + if not adjust: + if f: + f.close() + self._fileop.copy_file(script, outname) + if self.set_mode: + self._fileop.set_executable_mode([outname]) + filenames.append(outname) + else: + logger.info('copying and adjusting %s -> %s', script, + self.target_dir) + if not self._fileop.dry_run: + encoding, lines = detect_encoding(f.readline) + f.seek(0) + shebang = self._get_shebang(encoding, post_interp) + if b'pythonw' in first_line: # pragma: no cover + ext = 'pyw' + else: + ext = 'py' + n = os.path.basename(outname) + self._write_script([n], shebang, f.read(), filenames, ext) + if f: + f.close() + + @property + def dry_run(self): + return self._fileop.dry_run + + @dry_run.setter + def dry_run(self, value): + self._fileop.dry_run = value + + if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'): # pragma: no cover + # Executable launcher support. + # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/ + + def _get_launcher(self, kind): + if struct.calcsize('P') == 8: # 64-bit + bits = '64' + else: + bits = '32' + name = '%s%s.exe' % (kind, bits) + # Issue 31: don't hardcode an absolute package name, but + # determine it relative to the current package + distlib_package = __name__.rsplit('.', 1)[0] + result = finder(distlib_package).find(name).bytes + return result + + # Public API follows + + def make(self, specification, options=None): + """ + Make a script. + + :param specification: The specification, which is either a valid export + entry specification (to make a script from a + callable) or a filename (to make a script by + copying from a source location). + :param options: A dictionary of options controlling script generation. + :return: A list of all absolute pathnames written to. + """ + filenames = [] + entry = get_export_entry(specification) + if entry is None: + self._copy_script(specification, filenames) + else: + self._make_script(entry, filenames, options=options) + return filenames + + def make_multiple(self, specifications, options=None): + """ + Take a list of specifications and make scripts from them, + :param specifications: A list of specifications. + :return: A list of all absolute pathnames written to, + """ + filenames = [] + for specification in specifications: + filenames.extend(self.make(specification, options)) + return filenames diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t32.exe b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t32.exe new file mode 100644 index 0000000..a09d926 Binary files /dev/null and b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t32.exe differ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t64.exe b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t64.exe new file mode 100644 index 0000000..9da9b40 Binary files /dev/null and b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/t64.exe differ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/util.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/util.py new file mode 100644 index 0000000..9d4bfd3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/util.py @@ -0,0 +1,1756 @@ +# +# Copyright (C) 2012-2017 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import codecs +from collections import deque +import contextlib +import csv +from glob import iglob as std_iglob +import io +import json +import logging +import os +import py_compile +import re +import socket +try: + import ssl +except ImportError: # pragma: no cover + ssl = None +import subprocess +import sys +import tarfile +import tempfile +import textwrap + +try: + import threading +except ImportError: # pragma: no cover + import dummy_threading as threading +import time + +from . import DistlibException +from .compat import (string_types, text_type, shutil, raw_input, StringIO, + cache_from_source, urlopen, urljoin, httplib, xmlrpclib, + splittype, HTTPHandler, BaseConfigurator, valid_ident, + Container, configparser, URLError, ZipFile, fsdecode, + unquote, urlparse) + +logger = logging.getLogger(__name__) + +# +# Requirement parsing code as per PEP 508 +# + +IDENTIFIER = re.compile(r'^([\w\.-]+)\s*') +VERSION_IDENTIFIER = re.compile(r'^([\w\.*+-]+)\s*') +COMPARE_OP = re.compile(r'^(<=?|>=?|={2,3}|[~!]=)\s*') +MARKER_OP = re.compile(r'^((<=?)|(>=?)|={2,3}|[~!]=|in|not\s+in)\s*') +OR = re.compile(r'^or\b\s*') +AND = re.compile(r'^and\b\s*') +NON_SPACE = re.compile(r'(\S+)\s*') +STRING_CHUNK = re.compile(r'([\s\w\.{}()*+#:;,/?!~`@$%^&=|<>\[\]-]+)') + + +def parse_marker(marker_string): + """ + Parse a marker string and return a dictionary containing a marker expression. + + The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in + the expression grammar, or strings. A string contained in quotes is to be + interpreted as a literal string, and a string not contained in quotes is a + variable (such as os_name). + """ + def marker_var(remaining): + # either identifier, or literal string + m = IDENTIFIER.match(remaining) + if m: + result = m.groups()[0] + remaining = remaining[m.end():] + elif not remaining: + raise SyntaxError('unexpected end of input') + else: + q = remaining[0] + if q not in '\'"': + raise SyntaxError('invalid expression: %s' % remaining) + oq = '\'"'.replace(q, '') + remaining = remaining[1:] + parts = [q] + while remaining: + # either a string chunk, or oq, or q to terminate + if remaining[0] == q: + break + elif remaining[0] == oq: + parts.append(oq) + remaining = remaining[1:] + else: + m = STRING_CHUNK.match(remaining) + if not m: + raise SyntaxError('error in string literal: %s' % remaining) + parts.append(m.groups()[0]) + remaining = remaining[m.end():] + else: + s = ''.join(parts) + raise SyntaxError('unterminated string: %s' % s) + parts.append(q) + result = ''.join(parts) + remaining = remaining[1:].lstrip() # skip past closing quote + return result, remaining + + def marker_expr(remaining): + if remaining and remaining[0] == '(': + result, remaining = marker(remaining[1:].lstrip()) + if remaining[0] != ')': + raise SyntaxError('unterminated parenthesis: %s' % remaining) + remaining = remaining[1:].lstrip() + else: + lhs, remaining = marker_var(remaining) + while remaining: + m = MARKER_OP.match(remaining) + if not m: + break + op = m.groups()[0] + remaining = remaining[m.end():] + rhs, remaining = marker_var(remaining) + lhs = {'op': op, 'lhs': lhs, 'rhs': rhs} + result = lhs + return result, remaining + + def marker_and(remaining): + lhs, remaining = marker_expr(remaining) + while remaining: + m = AND.match(remaining) + if not m: + break + remaining = remaining[m.end():] + rhs, remaining = marker_expr(remaining) + lhs = {'op': 'and', 'lhs': lhs, 'rhs': rhs} + return lhs, remaining + + def marker(remaining): + lhs, remaining = marker_and(remaining) + while remaining: + m = OR.match(remaining) + if not m: + break + remaining = remaining[m.end():] + rhs, remaining = marker_and(remaining) + lhs = {'op': 'or', 'lhs': lhs, 'rhs': rhs} + return lhs, remaining + + return marker(marker_string) + + +def parse_requirement(req): + """ + Parse a requirement passed in as a string. Return a Container + whose attributes contain the various parts of the requirement. + """ + remaining = req.strip() + if not remaining or remaining.startswith('#'): + return None + m = IDENTIFIER.match(remaining) + if not m: + raise SyntaxError('name expected: %s' % remaining) + distname = m.groups()[0] + remaining = remaining[m.end():] + extras = mark_expr = versions = uri = None + if remaining and remaining[0] == '[': + i = remaining.find(']', 1) + if i < 0: + raise SyntaxError('unterminated extra: %s' % remaining) + s = remaining[1:i] + remaining = remaining[i + 1:].lstrip() + extras = [] + while s: + m = IDENTIFIER.match(s) + if not m: + raise SyntaxError('malformed extra: %s' % s) + extras.append(m.groups()[0]) + s = s[m.end():] + if not s: + break + if s[0] != ',': + raise SyntaxError('comma expected in extras: %s' % s) + s = s[1:].lstrip() + if not extras: + extras = None + if remaining: + if remaining[0] == '@': + # it's a URI + remaining = remaining[1:].lstrip() + m = NON_SPACE.match(remaining) + if not m: + raise SyntaxError('invalid URI: %s' % remaining) + uri = m.groups()[0] + t = urlparse(uri) + # there are issues with Python and URL parsing, so this test + # is a bit crude. See bpo-20271, bpo-23505. Python doesn't + # always parse invalid URLs correctly - it should raise + # exceptions for malformed URLs + if not (t.scheme and t.netloc): + raise SyntaxError('Invalid URL: %s' % uri) + remaining = remaining[m.end():].lstrip() + else: + + def get_versions(ver_remaining): + """ + Return a list of operator, version tuples if any are + specified, else None. + """ + m = COMPARE_OP.match(ver_remaining) + versions = None + if m: + versions = [] + while True: + op = m.groups()[0] + ver_remaining = ver_remaining[m.end():] + m = VERSION_IDENTIFIER.match(ver_remaining) + if not m: + raise SyntaxError('invalid version: %s' % ver_remaining) + v = m.groups()[0] + versions.append((op, v)) + ver_remaining = ver_remaining[m.end():] + if not ver_remaining or ver_remaining[0] != ',': + break + ver_remaining = ver_remaining[1:].lstrip() + m = COMPARE_OP.match(ver_remaining) + if not m: + raise SyntaxError('invalid constraint: %s' % ver_remaining) + if not versions: + versions = None + return versions, ver_remaining + + if remaining[0] != '(': + versions, remaining = get_versions(remaining) + else: + i = remaining.find(')', 1) + if i < 0: + raise SyntaxError('unterminated parenthesis: %s' % remaining) + s = remaining[1:i] + remaining = remaining[i + 1:].lstrip() + # As a special diversion from PEP 508, allow a version number + # a.b.c in parentheses as a synonym for ~= a.b.c (because this + # is allowed in earlier PEPs) + if COMPARE_OP.match(s): + versions, _ = get_versions(s) + else: + m = VERSION_IDENTIFIER.match(s) + if not m: + raise SyntaxError('invalid constraint: %s' % s) + v = m.groups()[0] + s = s[m.end():].lstrip() + if s: + raise SyntaxError('invalid constraint: %s' % s) + versions = [('~=', v)] + + if remaining: + if remaining[0] != ';': + raise SyntaxError('invalid requirement: %s' % remaining) + remaining = remaining[1:].lstrip() + + mark_expr, remaining = parse_marker(remaining) + + if remaining and remaining[0] != '#': + raise SyntaxError('unexpected trailing data: %s' % remaining) + + if not versions: + rs = distname + else: + rs = '%s %s' % (distname, ', '.join(['%s %s' % con for con in versions])) + return Container(name=distname, extras=extras, constraints=versions, + marker=mark_expr, url=uri, requirement=rs) + + +def get_resources_dests(resources_root, rules): + """Find destinations for resources files""" + + def get_rel_path(root, path): + # normalizes and returns a lstripped-/-separated path + root = root.replace(os.path.sep, '/') + path = path.replace(os.path.sep, '/') + assert path.startswith(root) + return path[len(root):].lstrip('/') + + destinations = {} + for base, suffix, dest in rules: + prefix = os.path.join(resources_root, base) + for abs_base in iglob(prefix): + abs_glob = os.path.join(abs_base, suffix) + for abs_path in iglob(abs_glob): + resource_file = get_rel_path(resources_root, abs_path) + if dest is None: # remove the entry if it was here + destinations.pop(resource_file, None) + else: + rel_path = get_rel_path(abs_base, abs_path) + rel_dest = dest.replace(os.path.sep, '/').rstrip('/') + destinations[resource_file] = rel_dest + '/' + rel_path + return destinations + + +def in_venv(): + if hasattr(sys, 'real_prefix'): + # virtualenv venvs + result = True + else: + # PEP 405 venvs + result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix) + return result + + +def get_executable(): +# The __PYVENV_LAUNCHER__ dance is apparently no longer needed, as +# changes to the stub launcher mean that sys.executable always points +# to the stub on OS X +# if sys.platform == 'darwin' and ('__PYVENV_LAUNCHER__' +# in os.environ): +# result = os.environ['__PYVENV_LAUNCHER__'] +# else: +# result = sys.executable +# return result + result = os.path.normcase(sys.executable) + if not isinstance(result, text_type): + result = fsdecode(result) + return result + + +def proceed(prompt, allowed_chars, error_prompt=None, default=None): + p = prompt + while True: + s = raw_input(p) + p = prompt + if not s and default: + s = default + if s: + c = s[0].lower() + if c in allowed_chars: + break + if error_prompt: + p = '%c: %s\n%s' % (c, error_prompt, prompt) + return c + + +def extract_by_key(d, keys): + if isinstance(keys, string_types): + keys = keys.split() + result = {} + for key in keys: + if key in d: + result[key] = d[key] + return result + +def read_exports(stream): + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getreader('utf-8')(stream) + # Try to load as JSON, falling back on legacy format + data = stream.read() + stream = StringIO(data) + try: + jdata = json.load(stream) + result = jdata['extensions']['python.exports']['exports'] + for group, entries in result.items(): + for k, v in entries.items(): + s = '%s = %s' % (k, v) + entry = get_export_entry(s) + assert entry is not None + entries[k] = entry + return result + except Exception: + stream.seek(0, 0) + + def read_stream(cp, stream): + if hasattr(cp, 'read_file'): + cp.read_file(stream) + else: + cp.readfp(stream) + + cp = configparser.ConfigParser() + try: + read_stream(cp, stream) + except configparser.MissingSectionHeaderError: + stream.close() + data = textwrap.dedent(data) + stream = StringIO(data) + read_stream(cp, stream) + + result = {} + for key in cp.sections(): + result[key] = entries = {} + for name, value in cp.items(key): + s = '%s = %s' % (name, value) + entry = get_export_entry(s) + assert entry is not None + #entry.dist = self + entries[name] = entry + return result + + +def write_exports(exports, stream): + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getwriter('utf-8')(stream) + cp = configparser.ConfigParser() + for k, v in exports.items(): + # TODO check k, v for valid values + cp.add_section(k) + for entry in v.values(): + if entry.suffix is None: + s = entry.prefix + else: + s = '%s:%s' % (entry.prefix, entry.suffix) + if entry.flags: + s = '%s [%s]' % (s, ', '.join(entry.flags)) + cp.set(k, entry.name, s) + cp.write(stream) + + +@contextlib.contextmanager +def tempdir(): + td = tempfile.mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + +@contextlib.contextmanager +def chdir(d): + cwd = os.getcwd() + try: + os.chdir(d) + yield + finally: + os.chdir(cwd) + + +@contextlib.contextmanager +def socket_timeout(seconds=15): + cto = socket.getdefaulttimeout() + try: + socket.setdefaulttimeout(seconds) + yield + finally: + socket.setdefaulttimeout(cto) + + +class cached_property(object): + def __init__(self, func): + self.func = func + #for attr in ('__name__', '__module__', '__doc__'): + # setattr(self, attr, getattr(func, attr, None)) + + def __get__(self, obj, cls=None): + if obj is None: + return self + value = self.func(obj) + object.__setattr__(obj, self.func.__name__, value) + #obj.__dict__[self.func.__name__] = value = self.func(obj) + return value + +def convert_path(pathname): + """Return 'pathname' as a name that will work on the native filesystem. + + The path is split on '/' and put back together again using the current + directory separator. Needed because filenames in the setup script are + always supplied in Unix style, and have to be converted to the local + convention before we can actually use them in the filesystem. Raises + ValueError on non-Unix-ish systems if 'pathname' either starts or + ends with a slash. + """ + if os.sep == '/': + return pathname + if not pathname: + return pathname + if pathname[0] == '/': + raise ValueError("path '%s' cannot be absolute" % pathname) + if pathname[-1] == '/': + raise ValueError("path '%s' cannot end with '/'" % pathname) + + paths = pathname.split('/') + while os.curdir in paths: + paths.remove(os.curdir) + if not paths: + return os.curdir + return os.path.join(*paths) + + +class FileOperator(object): + def __init__(self, dry_run=False): + self.dry_run = dry_run + self.ensured = set() + self._init_record() + + def _init_record(self): + self.record = False + self.files_written = set() + self.dirs_created = set() + + def record_as_written(self, path): + if self.record: + self.files_written.add(path) + + def newer(self, source, target): + """Tell if the target is newer than the source. + + Returns true if 'source' exists and is more recently modified than + 'target', or if 'source' exists and 'target' doesn't. + + Returns false if both exist and 'target' is the same age or younger + than 'source'. Raise PackagingFileError if 'source' does not exist. + + Note that this test is not very accurate: files created in the same + second will have the same "age". + """ + if not os.path.exists(source): + raise DistlibException("file '%r' does not exist" % + os.path.abspath(source)) + if not os.path.exists(target): + return True + + return os.stat(source).st_mtime > os.stat(target).st_mtime + + def copy_file(self, infile, outfile, check=True): + """Copy a file respecting dry-run and force flags. + """ + self.ensure_dir(os.path.dirname(outfile)) + logger.info('Copying %s to %s', infile, outfile) + if not self.dry_run: + msg = None + if check: + if os.path.islink(outfile): + msg = '%s is a symlink' % outfile + elif os.path.exists(outfile) and not os.path.isfile(outfile): + msg = '%s is a non-regular file' % outfile + if msg: + raise ValueError(msg + ' which would be overwritten') + shutil.copyfile(infile, outfile) + self.record_as_written(outfile) + + def copy_stream(self, instream, outfile, encoding=None): + assert not os.path.isdir(outfile) + self.ensure_dir(os.path.dirname(outfile)) + logger.info('Copying stream %s to %s', instream, outfile) + if not self.dry_run: + if encoding is None: + outstream = open(outfile, 'wb') + else: + outstream = codecs.open(outfile, 'w', encoding=encoding) + try: + shutil.copyfileobj(instream, outstream) + finally: + outstream.close() + self.record_as_written(outfile) + + def write_binary_file(self, path, data): + self.ensure_dir(os.path.dirname(path)) + if not self.dry_run: + if os.path.exists(path): + os.remove(path) + with open(path, 'wb') as f: + f.write(data) + self.record_as_written(path) + + def write_text_file(self, path, data, encoding): + self.write_binary_file(path, data.encode(encoding)) + + def set_mode(self, bits, mask, files): + if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'): + # Set the executable bits (owner, group, and world) on + # all the files specified. + for f in files: + if self.dry_run: + logger.info("changing mode of %s", f) + else: + mode = (os.stat(f).st_mode | bits) & mask + logger.info("changing mode of %s to %o", f, mode) + os.chmod(f, mode) + + set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f) + + def ensure_dir(self, path): + path = os.path.abspath(path) + if path not in self.ensured and not os.path.exists(path): + self.ensured.add(path) + d, f = os.path.split(path) + self.ensure_dir(d) + logger.info('Creating %s' % path) + if not self.dry_run: + os.mkdir(path) + if self.record: + self.dirs_created.add(path) + + def byte_compile(self, path, optimize=False, force=False, prefix=None, hashed_invalidation=False): + dpath = cache_from_source(path, not optimize) + logger.info('Byte-compiling %s to %s', path, dpath) + if not self.dry_run: + if force or self.newer(path, dpath): + if not prefix: + diagpath = None + else: + assert path.startswith(prefix) + diagpath = path[len(prefix):] + compile_kwargs = {} + if hashed_invalidation and hasattr(py_compile, 'PycInvalidationMode'): + compile_kwargs['invalidation_mode'] = py_compile.PycInvalidationMode.CHECKED_HASH + py_compile.compile(path, dpath, diagpath, True, **compile_kwargs) # raise error + self.record_as_written(dpath) + return dpath + + def ensure_removed(self, path): + if os.path.exists(path): + if os.path.isdir(path) and not os.path.islink(path): + logger.debug('Removing directory tree at %s', path) + if not self.dry_run: + shutil.rmtree(path) + if self.record: + if path in self.dirs_created: + self.dirs_created.remove(path) + else: + if os.path.islink(path): + s = 'link' + else: + s = 'file' + logger.debug('Removing %s %s', s, path) + if not self.dry_run: + os.remove(path) + if self.record: + if path in self.files_written: + self.files_written.remove(path) + + def is_writable(self, path): + result = False + while not result: + if os.path.exists(path): + result = os.access(path, os.W_OK) + break + parent = os.path.dirname(path) + if parent == path: + break + path = parent + return result + + def commit(self): + """ + Commit recorded changes, turn off recording, return + changes. + """ + assert self.record + result = self.files_written, self.dirs_created + self._init_record() + return result + + def rollback(self): + if not self.dry_run: + for f in list(self.files_written): + if os.path.exists(f): + os.remove(f) + # dirs should all be empty now, except perhaps for + # __pycache__ subdirs + # reverse so that subdirs appear before their parents + dirs = sorted(self.dirs_created, reverse=True) + for d in dirs: + flist = os.listdir(d) + if flist: + assert flist == ['__pycache__'] + sd = os.path.join(d, flist[0]) + os.rmdir(sd) + os.rmdir(d) # should fail if non-empty + self._init_record() + +def resolve(module_name, dotted_path): + if module_name in sys.modules: + mod = sys.modules[module_name] + else: + mod = __import__(module_name) + if dotted_path is None: + result = mod + else: + parts = dotted_path.split('.') + result = getattr(mod, parts.pop(0)) + for p in parts: + result = getattr(result, p) + return result + + +class ExportEntry(object): + def __init__(self, name, prefix, suffix, flags): + self.name = name + self.prefix = prefix + self.suffix = suffix + self.flags = flags + + @cached_property + def value(self): + return resolve(self.prefix, self.suffix) + + def __repr__(self): # pragma: no cover + return '<ExportEntry %s = %s:%s %s>' % (self.name, self.prefix, + self.suffix, self.flags) + + def __eq__(self, other): + if not isinstance(other, ExportEntry): + result = False + else: + result = (self.name == other.name and + self.prefix == other.prefix and + self.suffix == other.suffix and + self.flags == other.flags) + return result + + __hash__ = object.__hash__ + + +ENTRY_RE = re.compile(r'''(?P<name>(\w|[-.+])+) + \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) + \s*(\[\s*(?P<flags>\w+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? + ''', re.VERBOSE) + +def get_export_entry(specification): + m = ENTRY_RE.search(specification) + if not m: + result = None + if '[' in specification or ']' in specification: + raise DistlibException("Invalid specification " + "'%s'" % specification) + else: + d = m.groupdict() + name = d['name'] + path = d['callable'] + colons = path.count(':') + if colons == 0: + prefix, suffix = path, None + else: + if colons != 1: + raise DistlibException("Invalid specification " + "'%s'" % specification) + prefix, suffix = path.split(':') + flags = d['flags'] + if flags is None: + if '[' in specification or ']' in specification: + raise DistlibException("Invalid specification " + "'%s'" % specification) + flags = [] + else: + flags = [f.strip() for f in flags.split(',')] + result = ExportEntry(name, prefix, suffix, flags) + return result + + +def get_cache_base(suffix=None): + """ + Return the default base location for distlib caches. If the directory does + not exist, it is created. Use the suffix provided for the base directory, + and default to '.distlib' if it isn't provided. + + On Windows, if LOCALAPPDATA is defined in the environment, then it is + assumed to be a directory, and will be the parent directory of the result. + On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home + directory - using os.expanduser('~') - will be the parent directory of + the result. + + The result is just the directory '.distlib' in the parent directory as + determined above, or with the name specified with ``suffix``. + """ + if suffix is None: + suffix = '.distlib' + if os.name == 'nt' and 'LOCALAPPDATA' in os.environ: + result = os.path.expandvars('$localappdata') + else: + # Assume posix, or old Windows + result = os.path.expanduser('~') + # we use 'isdir' instead of 'exists', because we want to + # fail if there's a file with that name + if os.path.isdir(result): + usable = os.access(result, os.W_OK) + if not usable: + logger.warning('Directory exists but is not writable: %s', result) + else: + try: + os.makedirs(result) + usable = True + except OSError: + logger.warning('Unable to create %s', result, exc_info=True) + usable = False + if not usable: + result = tempfile.mkdtemp() + logger.warning('Default location unusable, using %s', result) + return os.path.join(result, suffix) + + +def path_to_cache_dir(path): + """ + Convert an absolute path to a directory name for use in a cache. + + The algorithm used is: + + #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. + #. Any occurrence of ``os.sep`` is replaced with ``'--'``. + #. ``'.cache'`` is appended. + """ + d, p = os.path.splitdrive(os.path.abspath(path)) + if d: + d = d.replace(':', '---') + p = p.replace(os.sep, '--') + return d + p + '.cache' + + +def ensure_slash(s): + if not s.endswith('/'): + return s + '/' + return s + + +def parse_credentials(netloc): + username = password = None + if '@' in netloc: + prefix, netloc = netloc.split('@', 1) + if ':' not in prefix: + username = prefix + else: + username, password = prefix.split(':', 1) + return username, password, netloc + + +def get_process_umask(): + result = os.umask(0o22) + os.umask(result) + return result + +def is_string_sequence(seq): + result = True + i = None + for i, s in enumerate(seq): + if not isinstance(s, string_types): + result = False + break + assert i is not None + return result + +PROJECT_NAME_AND_VERSION = re.compile('([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-' + '([a-z0-9_.+-]+)', re.I) +PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)') + + +def split_filename(filename, project_name=None): + """ + Extract name, version, python version from a filename (no extension) + + Return name, version, pyver or None + """ + result = None + pyver = None + filename = unquote(filename).replace(' ', '-') + m = PYTHON_VERSION.search(filename) + if m: + pyver = m.group(1) + filename = filename[:m.start()] + if project_name and len(filename) > len(project_name) + 1: + m = re.match(re.escape(project_name) + r'\b', filename) + if m: + n = m.end() + result = filename[:n], filename[n + 1:], pyver + if result is None: + m = PROJECT_NAME_AND_VERSION.match(filename) + if m: + result = m.group(1), m.group(3), pyver + return result + +# Allow spaces in name because of legacy dists like "Twisted Core" +NAME_VERSION_RE = re.compile(r'(?P<name>[\w .-]+)\s*' + r'\(\s*(?P<ver>[^\s)]+)\)$') + +def parse_name_and_version(p): + """ + A utility method used to get name and version from a string. + + From e.g. a Provides-Dist value. + + :param p: A value in a form 'foo (1.0)' + :return: The name and version as a tuple. + """ + m = NAME_VERSION_RE.match(p) + if not m: + raise DistlibException('Ill-formed name/version string: \'%s\'' % p) + d = m.groupdict() + return d['name'].strip().lower(), d['ver'] + +def get_extras(requested, available): + result = set() + requested = set(requested or []) + available = set(available or []) + if '*' in requested: + requested.remove('*') + result |= available + for r in requested: + if r == '-': + result.add(r) + elif r.startswith('-'): + unwanted = r[1:] + if unwanted not in available: + logger.warning('undeclared extra: %s' % unwanted) + if unwanted in result: + result.remove(unwanted) + else: + if r not in available: + logger.warning('undeclared extra: %s' % r) + result.add(r) + return result +# +# Extended metadata functionality +# + +def _get_external_data(url): + result = {} + try: + # urlopen might fail if it runs into redirections, + # because of Python issue #13696. Fixed in locators + # using a custom redirect handler. + resp = urlopen(url) + headers = resp.info() + ct = headers.get('Content-Type') + if not ct.startswith('application/json'): + logger.debug('Unexpected response for JSON request: %s', ct) + else: + reader = codecs.getreader('utf-8')(resp) + #data = reader.read().decode('utf-8') + #result = json.loads(data) + result = json.load(reader) + except Exception as e: + logger.exception('Failed to get external data for %s: %s', url, e) + return result + +_external_data_base_url = 'https://www.red-dove.com/pypi/projects/' + +def get_project_data(name): + url = '%s/%s/project.json' % (name[0].upper(), name) + url = urljoin(_external_data_base_url, url) + result = _get_external_data(url) + return result + +def get_package_data(name, version): + url = '%s/%s/package-%s.json' % (name[0].upper(), name, version) + url = urljoin(_external_data_base_url, url) + return _get_external_data(url) + + +class Cache(object): + """ + A class implementing a cache for resources that need to live in the file system + e.g. shared libraries. This class was moved from resources to here because it + could be used by other modules, e.g. the wheel module. + """ + + def __init__(self, base): + """ + Initialise an instance. + + :param base: The base directory where the cache should be located. + """ + # we use 'isdir' instead of 'exists', because we want to + # fail if there's a file with that name + if not os.path.isdir(base): # pragma: no cover + os.makedirs(base) + if (os.stat(base).st_mode & 0o77) != 0: + logger.warning('Directory \'%s\' is not private', base) + self.base = os.path.abspath(os.path.normpath(base)) + + def prefix_to_dir(self, prefix): + """ + Converts a resource prefix to a directory name in the cache. + """ + return path_to_cache_dir(prefix) + + def clear(self): + """ + Clear the cache. + """ + not_removed = [] + for fn in os.listdir(self.base): + fn = os.path.join(self.base, fn) + try: + if os.path.islink(fn) or os.path.isfile(fn): + os.remove(fn) + elif os.path.isdir(fn): + shutil.rmtree(fn) + except Exception: + not_removed.append(fn) + return not_removed + + +class EventMixin(object): + """ + A very simple publish/subscribe system. + """ + def __init__(self): + self._subscribers = {} + + def add(self, event, subscriber, append=True): + """ + Add a subscriber for an event. + + :param event: The name of an event. + :param subscriber: The subscriber to be added (and called when the + event is published). + :param append: Whether to append or prepend the subscriber to an + existing subscriber list for the event. + """ + subs = self._subscribers + if event not in subs: + subs[event] = deque([subscriber]) + else: + sq = subs[event] + if append: + sq.append(subscriber) + else: + sq.appendleft(subscriber) + + def remove(self, event, subscriber): + """ + Remove a subscriber for an event. + + :param event: The name of an event. + :param subscriber: The subscriber to be removed. + """ + subs = self._subscribers + if event not in subs: + raise ValueError('No subscribers: %r' % event) + subs[event].remove(subscriber) + + def get_subscribers(self, event): + """ + Return an iterator for the subscribers for an event. + :param event: The event to return subscribers for. + """ + return iter(self._subscribers.get(event, ())) + + def publish(self, event, *args, **kwargs): + """ + Publish a event and return a list of values returned by its + subscribers. + + :param event: The event to publish. + :param args: The positional arguments to pass to the event's + subscribers. + :param kwargs: The keyword arguments to pass to the event's + subscribers. + """ + result = [] + for subscriber in self.get_subscribers(event): + try: + value = subscriber(event, *args, **kwargs) + except Exception: + logger.exception('Exception during event publication') + value = None + result.append(value) + logger.debug('publish %s: args = %s, kwargs = %s, result = %s', + event, args, kwargs, result) + return result + +# +# Simple sequencing +# +class Sequencer(object): + def __init__(self): + self._preds = {} + self._succs = {} + self._nodes = set() # nodes with no preds/succs + + def add_node(self, node): + self._nodes.add(node) + + def remove_node(self, node, edges=False): + if node in self._nodes: + self._nodes.remove(node) + if edges: + for p in set(self._preds.get(node, ())): + self.remove(p, node) + for s in set(self._succs.get(node, ())): + self.remove(node, s) + # Remove empties + for k, v in list(self._preds.items()): + if not v: + del self._preds[k] + for k, v in list(self._succs.items()): + if not v: + del self._succs[k] + + def add(self, pred, succ): + assert pred != succ + self._preds.setdefault(succ, set()).add(pred) + self._succs.setdefault(pred, set()).add(succ) + + def remove(self, pred, succ): + assert pred != succ + try: + preds = self._preds[succ] + succs = self._succs[pred] + except KeyError: # pragma: no cover + raise ValueError('%r not a successor of anything' % succ) + try: + preds.remove(pred) + succs.remove(succ) + except KeyError: # pragma: no cover + raise ValueError('%r not a successor of %r' % (succ, pred)) + + def is_step(self, step): + return (step in self._preds or step in self._succs or + step in self._nodes) + + def get_steps(self, final): + if not self.is_step(final): + raise ValueError('Unknown: %r' % final) + result = [] + todo = [] + seen = set() + todo.append(final) + while todo: + step = todo.pop(0) + if step in seen: + # if a step was already seen, + # move it to the end (so it will appear earlier + # when reversed on return) ... but not for the + # final step, as that would be confusing for + # users + if step != final: + result.remove(step) + result.append(step) + else: + seen.add(step) + result.append(step) + preds = self._preds.get(step, ()) + todo.extend(preds) + return reversed(result) + + @property + def strong_connections(self): + #http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm + index_counter = [0] + stack = [] + lowlinks = {} + index = {} + result = [] + + graph = self._succs + + def strongconnect(node): + # set the depth index for this node to the smallest unused index + index[node] = index_counter[0] + lowlinks[node] = index_counter[0] + index_counter[0] += 1 + stack.append(node) + + # Consider successors + try: + successors = graph[node] + except Exception: + successors = [] + for successor in successors: + if successor not in lowlinks: + # Successor has not yet been visited + strongconnect(successor) + lowlinks[node] = min(lowlinks[node],lowlinks[successor]) + elif successor in stack: + # the successor is in the stack and hence in the current + # strongly connected component (SCC) + lowlinks[node] = min(lowlinks[node],index[successor]) + + # If `node` is a root node, pop the stack and generate an SCC + if lowlinks[node] == index[node]: + connected_component = [] + + while True: + successor = stack.pop() + connected_component.append(successor) + if successor == node: break + component = tuple(connected_component) + # storing the result + result.append(component) + + for node in graph: + if node not in lowlinks: + strongconnect(node) + + return result + + @property + def dot(self): + result = ['digraph G {'] + for succ in self._preds: + preds = self._preds[succ] + for pred in preds: + result.append(' %s -> %s;' % (pred, succ)) + for node in self._nodes: + result.append(' %s;' % node) + result.append('}') + return '\n'.join(result) + +# +# Unarchiving functionality for zip, tar, tgz, tbz, whl +# + +ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip', + '.tgz', '.tbz', '.whl') + +def unarchive(archive_filename, dest_dir, format=None, check=True): + + def check_path(path): + if not isinstance(path, text_type): + path = path.decode('utf-8') + p = os.path.abspath(os.path.join(dest_dir, path)) + if not p.startswith(dest_dir) or p[plen] != os.sep: + raise ValueError('path outside destination: %r' % p) + + dest_dir = os.path.abspath(dest_dir) + plen = len(dest_dir) + archive = None + if format is None: + if archive_filename.endswith(('.zip', '.whl')): + format = 'zip' + elif archive_filename.endswith(('.tar.gz', '.tgz')): + format = 'tgz' + mode = 'r:gz' + elif archive_filename.endswith(('.tar.bz2', '.tbz')): + format = 'tbz' + mode = 'r:bz2' + elif archive_filename.endswith('.tar'): + format = 'tar' + mode = 'r' + else: # pragma: no cover + raise ValueError('Unknown format for %r' % archive_filename) + try: + if format == 'zip': + archive = ZipFile(archive_filename, 'r') + if check: + names = archive.namelist() + for name in names: + check_path(name) + else: + archive = tarfile.open(archive_filename, mode) + if check: + names = archive.getnames() + for name in names: + check_path(name) + if format != 'zip' and sys.version_info[0] < 3: + # See Python issue 17153. If the dest path contains Unicode, + # tarfile extraction fails on Python 2.x if a member path name + # contains non-ASCII characters - it leads to an implicit + # bytes -> unicode conversion using ASCII to decode. + for tarinfo in archive.getmembers(): + if not isinstance(tarinfo.name, text_type): + tarinfo.name = tarinfo.name.decode('utf-8') + archive.extractall(dest_dir) + + finally: + if archive: + archive.close() + + +def zip_dir(directory): + """zip a directory tree into a BytesIO object""" + result = io.BytesIO() + dlen = len(directory) + with ZipFile(result, "w") as zf: + for root, dirs, files in os.walk(directory): + for name in files: + full = os.path.join(root, name) + rel = root[dlen:] + dest = os.path.join(rel, name) + zf.write(full, dest) + return result + +# +# Simple progress bar +# + +UNITS = ('', 'K', 'M', 'G','T','P') + + +class Progress(object): + unknown = 'UNKNOWN' + + def __init__(self, minval=0, maxval=100): + assert maxval is None or maxval >= minval + self.min = self.cur = minval + self.max = maxval + self.started = None + self.elapsed = 0 + self.done = False + + def update(self, curval): + assert self.min <= curval + assert self.max is None or curval <= self.max + self.cur = curval + now = time.time() + if self.started is None: + self.started = now + else: + self.elapsed = now - self.started + + def increment(self, incr): + assert incr >= 0 + self.update(self.cur + incr) + + def start(self): + self.update(self.min) + return self + + def stop(self): + if self.max is not None: + self.update(self.max) + self.done = True + + @property + def maximum(self): + return self.unknown if self.max is None else self.max + + @property + def percentage(self): + if self.done: + result = '100 %' + elif self.max is None: + result = ' ?? %' + else: + v = 100.0 * (self.cur - self.min) / (self.max - self.min) + result = '%3d %%' % v + return result + + def format_duration(self, duration): + if (duration <= 0) and self.max is None or self.cur == self.min: + result = '??:??:??' + #elif duration < 1: + # result = '--:--:--' + else: + result = time.strftime('%H:%M:%S', time.gmtime(duration)) + return result + + @property + def ETA(self): + if self.done: + prefix = 'Done' + t = self.elapsed + #import pdb; pdb.set_trace() + else: + prefix = 'ETA ' + if self.max is None: + t = -1 + elif self.elapsed == 0 or (self.cur == self.min): + t = 0 + else: + #import pdb; pdb.set_trace() + t = float(self.max - self.min) + t /= self.cur - self.min + t = (t - 1) * self.elapsed + return '%s: %s' % (prefix, self.format_duration(t)) + + @property + def speed(self): + if self.elapsed == 0: + result = 0.0 + else: + result = (self.cur - self.min) / self.elapsed + for unit in UNITS: + if result < 1000: + break + result /= 1000.0 + return '%d %sB/s' % (result, unit) + +# +# Glob functionality +# + +RICH_GLOB = re.compile(r'\{([^}]*)\}') +_CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]') +_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$') + + +def iglob(path_glob): + """Extended globbing function that supports ** and {opt1,opt2,opt3}.""" + if _CHECK_RECURSIVE_GLOB.search(path_glob): + msg = """invalid glob %r: recursive glob "**" must be used alone""" + raise ValueError(msg % path_glob) + if _CHECK_MISMATCH_SET.search(path_glob): + msg = """invalid glob %r: mismatching set marker '{' or '}'""" + raise ValueError(msg % path_glob) + return _iglob(path_glob) + + +def _iglob(path_glob): + rich_path_glob = RICH_GLOB.split(path_glob, 1) + if len(rich_path_glob) > 1: + assert len(rich_path_glob) == 3, rich_path_glob + prefix, set, suffix = rich_path_glob + for item in set.split(','): + for path in _iglob(''.join((prefix, item, suffix))): + yield path + else: + if '**' not in path_glob: + for item in std_iglob(path_glob): + yield item + else: + prefix, radical = path_glob.split('**', 1) + if prefix == '': + prefix = '.' + if radical == '': + radical = '*' + else: + # we support both + radical = radical.lstrip('/') + radical = radical.lstrip('\\') + for path, dir, files in os.walk(prefix): + path = os.path.normpath(path) + for fn in _iglob(os.path.join(path, radical)): + yield fn + +if ssl: + from .compat import (HTTPSHandler as BaseHTTPSHandler, match_hostname, + CertificateError) + + +# +# HTTPSConnection which verifies certificates/matches domains +# + + class HTTPSConnection(httplib.HTTPSConnection): + ca_certs = None # set this to the path to the certs file (.pem) + check_domain = True # only used if ca_certs is not None + + # noinspection PyPropertyAccess + def connect(self): + sock = socket.create_connection((self.host, self.port), self.timeout) + if getattr(self, '_tunnel_host', False): + self.sock = sock + self._tunnel() + + if not hasattr(ssl, 'SSLContext'): + # For 2.x + if self.ca_certs: + cert_reqs = ssl.CERT_REQUIRED + else: + cert_reqs = ssl.CERT_NONE + self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, + cert_reqs=cert_reqs, + ssl_version=ssl.PROTOCOL_SSLv23, + ca_certs=self.ca_certs) + else: # pragma: no cover + context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + context.options |= ssl.OP_NO_SSLv2 + if self.cert_file: + context.load_cert_chain(self.cert_file, self.key_file) + kwargs = {} + if self.ca_certs: + context.verify_mode = ssl.CERT_REQUIRED + context.load_verify_locations(cafile=self.ca_certs) + if getattr(ssl, 'HAS_SNI', False): + kwargs['server_hostname'] = self.host + self.sock = context.wrap_socket(sock, **kwargs) + if self.ca_certs and self.check_domain: + try: + match_hostname(self.sock.getpeercert(), self.host) + logger.debug('Host verified: %s', self.host) + except CertificateError: # pragma: no cover + self.sock.shutdown(socket.SHUT_RDWR) + self.sock.close() + raise + + class HTTPSHandler(BaseHTTPSHandler): + def __init__(self, ca_certs, check_domain=True): + BaseHTTPSHandler.__init__(self) + self.ca_certs = ca_certs + self.check_domain = check_domain + + def _conn_maker(self, *args, **kwargs): + """ + This is called to create a connection instance. Normally you'd + pass a connection class to do_open, but it doesn't actually check for + a class, and just expects a callable. As long as we behave just as a + constructor would have, we should be OK. If it ever changes so that + we *must* pass a class, we'll create an UnsafeHTTPSConnection class + which just sets check_domain to False in the class definition, and + choose which one to pass to do_open. + """ + result = HTTPSConnection(*args, **kwargs) + if self.ca_certs: + result.ca_certs = self.ca_certs + result.check_domain = self.check_domain + return result + + def https_open(self, req): + try: + return self.do_open(self._conn_maker, req) + except URLError as e: + if 'certificate verify failed' in str(e.reason): + raise CertificateError('Unable to verify server certificate ' + 'for %s' % req.host) + else: + raise + + # + # To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The- + # Middle proxy using HTTP listens on port 443, or an index mistakenly serves + # HTML containing a http://xyz link when it should be https://xyz), + # you can use the following handler class, which does not allow HTTP traffic. + # + # It works by inheriting from HTTPHandler - so build_opener won't add a + # handler for HTTP itself. + # + class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler): + def http_open(self, req): + raise URLError('Unexpected HTTP request on what should be a secure ' + 'connection: %s' % req) + +# +# XML-RPC with timeouts +# + +_ver_info = sys.version_info[:2] + +if _ver_info == (2, 6): + class HTTP(httplib.HTTP): + def __init__(self, host='', port=None, **kwargs): + if port == 0: # 0 means use port 0, not the default port + port = None + self._setup(self._connection_class(host, port, **kwargs)) + + + if ssl: + class HTTPS(httplib.HTTPS): + def __init__(self, host='', port=None, **kwargs): + if port == 0: # 0 means use port 0, not the default port + port = None + self._setup(self._connection_class(host, port, **kwargs)) + + +class Transport(xmlrpclib.Transport): + def __init__(self, timeout, use_datetime=0): + self.timeout = timeout + xmlrpclib.Transport.__init__(self, use_datetime) + + def make_connection(self, host): + h, eh, x509 = self.get_host_info(host) + if _ver_info == (2, 6): + result = HTTP(h, timeout=self.timeout) + else: + if not self._connection or host != self._connection[0]: + self._extra_headers = eh + self._connection = host, httplib.HTTPConnection(h) + result = self._connection[1] + return result + +if ssl: + class SafeTransport(xmlrpclib.SafeTransport): + def __init__(self, timeout, use_datetime=0): + self.timeout = timeout + xmlrpclib.SafeTransport.__init__(self, use_datetime) + + def make_connection(self, host): + h, eh, kwargs = self.get_host_info(host) + if not kwargs: + kwargs = {} + kwargs['timeout'] = self.timeout + if _ver_info == (2, 6): + result = HTTPS(host, None, **kwargs) + else: + if not self._connection or host != self._connection[0]: + self._extra_headers = eh + self._connection = host, httplib.HTTPSConnection(h, None, + **kwargs) + result = self._connection[1] + return result + + +class ServerProxy(xmlrpclib.ServerProxy): + def __init__(self, uri, **kwargs): + self.timeout = timeout = kwargs.pop('timeout', None) + # The above classes only come into play if a timeout + # is specified + if timeout is not None: + scheme, _ = splittype(uri) + use_datetime = kwargs.get('use_datetime', 0) + if scheme == 'https': + tcls = SafeTransport + else: + tcls = Transport + kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime) + self.transport = t + xmlrpclib.ServerProxy.__init__(self, uri, **kwargs) + +# +# CSV functionality. This is provided because on 2.x, the csv module can't +# handle Unicode. However, we need to deal with Unicode in e.g. RECORD files. +# + +def _csv_open(fn, mode, **kwargs): + if sys.version_info[0] < 3: + mode += 'b' + else: + kwargs['newline'] = '' + # Python 3 determines encoding from locale. Force 'utf-8' + # file encoding to match other forced utf-8 encoding + kwargs['encoding'] = 'utf-8' + return open(fn, mode, **kwargs) + + +class CSVBase(object): + defaults = { + 'delimiter': str(','), # The strs are used because we need native + 'quotechar': str('"'), # str in the csv API (2.x won't take + 'lineterminator': str('\n') # Unicode) + } + + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.stream.close() + + +class CSVReader(CSVBase): + def __init__(self, **kwargs): + if 'stream' in kwargs: + stream = kwargs['stream'] + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getreader('utf-8')(stream) + self.stream = stream + else: + self.stream = _csv_open(kwargs['path'], 'r') + self.reader = csv.reader(self.stream, **self.defaults) + + def __iter__(self): + return self + + def next(self): + result = next(self.reader) + if sys.version_info[0] < 3: + for i, item in enumerate(result): + if not isinstance(item, text_type): + result[i] = item.decode('utf-8') + return result + + __next__ = next + +class CSVWriter(CSVBase): + def __init__(self, fn, **kwargs): + self.stream = _csv_open(fn, 'w') + self.writer = csv.writer(self.stream, **self.defaults) + + def writerow(self, row): + if sys.version_info[0] < 3: + r = [] + for item in row: + if isinstance(item, text_type): + item = item.encode('utf-8') + r.append(item) + row = r + self.writer.writerow(row) + +# +# Configurator functionality +# + +class Configurator(BaseConfigurator): + + value_converters = dict(BaseConfigurator.value_converters) + value_converters['inc'] = 'inc_convert' + + def __init__(self, config, base=None): + super(Configurator, self).__init__(config) + self.base = base or os.getcwd() + + def configure_custom(self, config): + def convert(o): + if isinstance(o, (list, tuple)): + result = type(o)([convert(i) for i in o]) + elif isinstance(o, dict): + if '()' in o: + result = self.configure_custom(o) + else: + result = {} + for k in o: + result[k] = convert(o[k]) + else: + result = self.convert(o) + return result + + c = config.pop('()') + if not callable(c): + c = self.resolve(c) + props = config.pop('.', None) + # Check for valid identifiers + args = config.pop('[]', ()) + if args: + args = tuple([convert(o) for o in args]) + items = [(k, convert(config[k])) for k in config if valid_ident(k)] + kwargs = dict(items) + result = c(*args, **kwargs) + if props: + for n, v in props.items(): + setattr(result, n, convert(v)) + return result + + def __getitem__(self, key): + result = self.config[key] + if isinstance(result, dict) and '()' in result: + self.config[key] = result = self.configure_custom(result) + return result + + def inc_convert(self, value): + """Default converter for the inc:// protocol.""" + if not os.path.isabs(value): + value = os.path.join(self.base, value) + with codecs.open(value, 'r', encoding='utf-8') as f: + result = json.load(f) + return result + + +class SubprocessMixin(object): + """ + Mixin for running subprocesses and capturing their output + """ + def __init__(self, verbose=False, progress=None): + self.verbose = verbose + self.progress = progress + + def reader(self, stream, context): + """ + Read lines from a subprocess' output stream and either pass to a progress + callable (if specified) or write progress information to sys.stderr. + """ + progress = self.progress + verbose = self.verbose + while True: + s = stream.readline() + if not s: + break + if progress is not None: + progress(s, context) + else: + if not verbose: + sys.stderr.write('.') + else: + sys.stderr.write(s.decode('utf-8')) + sys.stderr.flush() + stream.close() + + def run_command(self, cmd, **kwargs): + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, + stderr=subprocess.PIPE, **kwargs) + t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout')) + t1.start() + t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr')) + t2.start() + p.wait() + t1.join() + t2.join() + if self.progress is not None: + self.progress('done.', 'main') + elif self.verbose: + sys.stderr.write('done.\n') + return p + + +def normalize_name(name): + """Normalize a python package name a la PEP 503""" + # https://www.python.org/dev/peps/pep-0503/#normalized-names + return re.sub('[-_.]+', '-', name).lower() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/version.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/version.py new file mode 100644 index 0000000..3eebe18 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/version.py @@ -0,0 +1,736 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2017 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +""" +Implementation of a flexible versioning scheme providing support for PEP-440, +setuptools-compatible and semantic versioning. +""" + +import logging +import re + +from .compat import string_types +from .util import parse_requirement + +__all__ = ['NormalizedVersion', 'NormalizedMatcher', + 'LegacyVersion', 'LegacyMatcher', + 'SemanticVersion', 'SemanticMatcher', + 'UnsupportedVersionError', 'get_scheme'] + +logger = logging.getLogger(__name__) + + +class UnsupportedVersionError(ValueError): + """This is an unsupported version.""" + pass + + +class Version(object): + def __init__(self, s): + self._string = s = s.strip() + self._parts = parts = self.parse(s) + assert isinstance(parts, tuple) + assert len(parts) > 0 + + def parse(self, s): + raise NotImplementedError('please implement in a subclass') + + def _check_compatible(self, other): + if type(self) != type(other): + raise TypeError('cannot compare %r and %r' % (self, other)) + + def __eq__(self, other): + self._check_compatible(other) + return self._parts == other._parts + + def __ne__(self, other): + return not self.__eq__(other) + + def __lt__(self, other): + self._check_compatible(other) + return self._parts < other._parts + + def __gt__(self, other): + return not (self.__lt__(other) or self.__eq__(other)) + + def __le__(self, other): + return self.__lt__(other) or self.__eq__(other) + + def __ge__(self, other): + return self.__gt__(other) or self.__eq__(other) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + def __hash__(self): + return hash(self._parts) + + def __repr__(self): + return "%s('%s')" % (self.__class__.__name__, self._string) + + def __str__(self): + return self._string + + @property + def is_prerelease(self): + raise NotImplementedError('Please implement in subclasses.') + + +class Matcher(object): + version_class = None + + # value is either a callable or the name of a method + _operators = { + '<': lambda v, c, p: v < c, + '>': lambda v, c, p: v > c, + '<=': lambda v, c, p: v == c or v < c, + '>=': lambda v, c, p: v == c or v > c, + '==': lambda v, c, p: v == c, + '===': lambda v, c, p: v == c, + # by default, compatible => >=. + '~=': lambda v, c, p: v == c or v > c, + '!=': lambda v, c, p: v != c, + } + + # this is a method only to support alternative implementations + # via overriding + def parse_requirement(self, s): + return parse_requirement(s) + + def __init__(self, s): + if self.version_class is None: + raise ValueError('Please specify a version class') + self._string = s = s.strip() + r = self.parse_requirement(s) + if not r: + raise ValueError('Not valid: %r' % s) + self.name = r.name + self.key = self.name.lower() # for case-insensitive comparisons + clist = [] + if r.constraints: + # import pdb; pdb.set_trace() + for op, s in r.constraints: + if s.endswith('.*'): + if op not in ('==', '!='): + raise ValueError('\'.*\' not allowed for ' + '%r constraints' % op) + # Could be a partial version (e.g. for '2.*') which + # won't parse as a version, so keep it as a string + vn, prefix = s[:-2], True + # Just to check that vn is a valid version + self.version_class(vn) + else: + # Should parse as a version, so we can create an + # instance for the comparison + vn, prefix = self.version_class(s), False + clist.append((op, vn, prefix)) + self._parts = tuple(clist) + + def match(self, version): + """ + Check if the provided version matches the constraints. + + :param version: The version to match against this instance. + :type version: String or :class:`Version` instance. + """ + if isinstance(version, string_types): + version = self.version_class(version) + for operator, constraint, prefix in self._parts: + f = self._operators.get(operator) + if isinstance(f, string_types): + f = getattr(self, f) + if not f: + msg = ('%r not implemented ' + 'for %s' % (operator, self.__class__.__name__)) + raise NotImplementedError(msg) + if not f(version, constraint, prefix): + return False + return True + + @property + def exact_version(self): + result = None + if len(self._parts) == 1 and self._parts[0][0] in ('==', '==='): + result = self._parts[0][1] + return result + + def _check_compatible(self, other): + if type(self) != type(other) or self.name != other.name: + raise TypeError('cannot compare %s and %s' % (self, other)) + + def __eq__(self, other): + self._check_compatible(other) + return self.key == other.key and self._parts == other._parts + + def __ne__(self, other): + return not self.__eq__(other) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + def __hash__(self): + return hash(self.key) + hash(self._parts) + + def __repr__(self): + return "%s(%r)" % (self.__class__.__name__, self._string) + + def __str__(self): + return self._string + + +PEP440_VERSION_RE = re.compile(r'^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?' + r'(\.(post)(\d+))?(\.(dev)(\d+))?' + r'(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$') + + +def _pep_440_key(s): + s = s.strip() + m = PEP440_VERSION_RE.match(s) + if not m: + raise UnsupportedVersionError('Not a valid version: %s' % s) + groups = m.groups() + nums = tuple(int(v) for v in groups[1].split('.')) + while len(nums) > 1 and nums[-1] == 0: + nums = nums[:-1] + + if not groups[0]: + epoch = 0 + else: + epoch = int(groups[0]) + pre = groups[4:6] + post = groups[7:9] + dev = groups[10:12] + local = groups[13] + if pre == (None, None): + pre = () + else: + pre = pre[0], int(pre[1]) + if post == (None, None): + post = () + else: + post = post[0], int(post[1]) + if dev == (None, None): + dev = () + else: + dev = dev[0], int(dev[1]) + if local is None: + local = () + else: + parts = [] + for part in local.split('.'): + # to ensure that numeric compares as > lexicographic, avoid + # comparing them directly, but encode a tuple which ensures + # correct sorting + if part.isdigit(): + part = (1, int(part)) + else: + part = (0, part) + parts.append(part) + local = tuple(parts) + if not pre: + # either before pre-release, or final release and after + if not post and dev: + # before pre-release + pre = ('a', -1) # to sort before a0 + else: + pre = ('z',) # to sort after all pre-releases + # now look at the state of post and dev. + if not post: + post = ('_',) # sort before 'a' + if not dev: + dev = ('final',) + + #print('%s -> %s' % (s, m.groups())) + return epoch, nums, pre, post, dev, local + + +_normalized_key = _pep_440_key + + +class NormalizedVersion(Version): + """A rational version. + + Good: + 1.2 # equivalent to "1.2.0" + 1.2.0 + 1.2a1 + 1.2.3a2 + 1.2.3b1 + 1.2.3c1 + 1.2.3.4 + TODO: fill this out + + Bad: + 1 # minimum two numbers + 1.2a # release level must have a release serial + 1.2.3b + """ + def parse(self, s): + result = _normalized_key(s) + # _normalized_key loses trailing zeroes in the release + # clause, since that's needed to ensure that X.Y == X.Y.0 == X.Y.0.0 + # However, PEP 440 prefix matching needs it: for example, + # (~= 1.4.5.0) matches differently to (~= 1.4.5.0.0). + m = PEP440_VERSION_RE.match(s) # must succeed + groups = m.groups() + self._release_clause = tuple(int(v) for v in groups[1].split('.')) + return result + + PREREL_TAGS = set(['a', 'b', 'c', 'rc', 'dev']) + + @property + def is_prerelease(self): + return any(t[0] in self.PREREL_TAGS for t in self._parts if t) + + +def _match_prefix(x, y): + x = str(x) + y = str(y) + if x == y: + return True + if not x.startswith(y): + return False + n = len(y) + return x[n] == '.' + + +class NormalizedMatcher(Matcher): + version_class = NormalizedVersion + + # value is either a callable or the name of a method + _operators = { + '~=': '_match_compatible', + '<': '_match_lt', + '>': '_match_gt', + '<=': '_match_le', + '>=': '_match_ge', + '==': '_match_eq', + '===': '_match_arbitrary', + '!=': '_match_ne', + } + + def _adjust_local(self, version, constraint, prefix): + if prefix: + strip_local = '+' not in constraint and version._parts[-1] + else: + # both constraint and version are + # NormalizedVersion instances. + # If constraint does not have a local component, + # ensure the version doesn't, either. + strip_local = not constraint._parts[-1] and version._parts[-1] + if strip_local: + s = version._string.split('+', 1)[0] + version = self.version_class(s) + return version, constraint + + def _match_lt(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + if version >= constraint: + return False + release_clause = constraint._release_clause + pfx = '.'.join([str(i) for i in release_clause]) + return not _match_prefix(version, pfx) + + def _match_gt(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + if version <= constraint: + return False + release_clause = constraint._release_clause + pfx = '.'.join([str(i) for i in release_clause]) + return not _match_prefix(version, pfx) + + def _match_le(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + return version <= constraint + + def _match_ge(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + return version >= constraint + + def _match_eq(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + if not prefix: + result = (version == constraint) + else: + result = _match_prefix(version, constraint) + return result + + def _match_arbitrary(self, version, constraint, prefix): + return str(version) == str(constraint) + + def _match_ne(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + if not prefix: + result = (version != constraint) + else: + result = not _match_prefix(version, constraint) + return result + + def _match_compatible(self, version, constraint, prefix): + version, constraint = self._adjust_local(version, constraint, prefix) + if version == constraint: + return True + if version < constraint: + return False +# if not prefix: +# return True + release_clause = constraint._release_clause + if len(release_clause) > 1: + release_clause = release_clause[:-1] + pfx = '.'.join([str(i) for i in release_clause]) + return _match_prefix(version, pfx) + +_REPLACEMENTS = ( + (re.compile('[.+-]$'), ''), # remove trailing puncts + (re.compile(r'^[.](\d)'), r'0.\1'), # .N -> 0.N at start + (re.compile('^[.-]'), ''), # remove leading puncts + (re.compile(r'^\((.*)\)$'), r'\1'), # remove parentheses + (re.compile(r'^v(ersion)?\s*(\d+)'), r'\2'), # remove leading v(ersion) + (re.compile(r'^r(ev)?\s*(\d+)'), r'\2'), # remove leading v(ersion) + (re.compile('[.]{2,}'), '.'), # multiple runs of '.' + (re.compile(r'\b(alfa|apha)\b'), 'alpha'), # misspelt alpha + (re.compile(r'\b(pre-alpha|prealpha)\b'), + 'pre.alpha'), # standardise + (re.compile(r'\(beta\)$'), 'beta'), # remove parentheses +) + +_SUFFIX_REPLACEMENTS = ( + (re.compile('^[:~._+-]+'), ''), # remove leading puncts + (re.compile('[,*")([\\]]'), ''), # remove unwanted chars + (re.compile('[~:+_ -]'), '.'), # replace illegal chars + (re.compile('[.]{2,}'), '.'), # multiple runs of '.' + (re.compile(r'\.$'), ''), # trailing '.' +) + +_NUMERIC_PREFIX = re.compile(r'(\d+(\.\d+)*)') + + +def _suggest_semantic_version(s): + """ + Try to suggest a semantic form for a version for which + _suggest_normalized_version couldn't come up with anything. + """ + result = s.strip().lower() + for pat, repl in _REPLACEMENTS: + result = pat.sub(repl, result) + if not result: + result = '0.0.0' + + # Now look for numeric prefix, and separate it out from + # the rest. + #import pdb; pdb.set_trace() + m = _NUMERIC_PREFIX.match(result) + if not m: + prefix = '0.0.0' + suffix = result + else: + prefix = m.groups()[0].split('.') + prefix = [int(i) for i in prefix] + while len(prefix) < 3: + prefix.append(0) + if len(prefix) == 3: + suffix = result[m.end():] + else: + suffix = '.'.join([str(i) for i in prefix[3:]]) + result[m.end():] + prefix = prefix[:3] + prefix = '.'.join([str(i) for i in prefix]) + suffix = suffix.strip() + if suffix: + #import pdb; pdb.set_trace() + # massage the suffix. + for pat, repl in _SUFFIX_REPLACEMENTS: + suffix = pat.sub(repl, suffix) + + if not suffix: + result = prefix + else: + sep = '-' if 'dev' in suffix else '+' + result = prefix + sep + suffix + if not is_semver(result): + result = None + return result + + +def _suggest_normalized_version(s): + """Suggest a normalized version close to the given version string. + + If you have a version string that isn't rational (i.e. NormalizedVersion + doesn't like it) then you might be able to get an equivalent (or close) + rational version from this function. + + This does a number of simple normalizations to the given string, based + on observation of versions currently in use on PyPI. Given a dump of + those version during PyCon 2009, 4287 of them: + - 2312 (53.93%) match NormalizedVersion without change + with the automatic suggestion + - 3474 (81.04%) match when using this suggestion method + + @param s {str} An irrational version string. + @returns A rational version string, or None, if couldn't determine one. + """ + try: + _normalized_key(s) + return s # already rational + except UnsupportedVersionError: + pass + + rs = s.lower() + + # part of this could use maketrans + for orig, repl in (('-alpha', 'a'), ('-beta', 'b'), ('alpha', 'a'), + ('beta', 'b'), ('rc', 'c'), ('-final', ''), + ('-pre', 'c'), + ('-release', ''), ('.release', ''), ('-stable', ''), + ('+', '.'), ('_', '.'), (' ', ''), ('.final', ''), + ('final', '')): + rs = rs.replace(orig, repl) + + # if something ends with dev or pre, we add a 0 + rs = re.sub(r"pre$", r"pre0", rs) + rs = re.sub(r"dev$", r"dev0", rs) + + # if we have something like "b-2" or "a.2" at the end of the + # version, that is probably beta, alpha, etc + # let's remove the dash or dot + rs = re.sub(r"([abc]|rc)[\-\.](\d+)$", r"\1\2", rs) + + # 1.0-dev-r371 -> 1.0.dev371 + # 0.1-dev-r79 -> 0.1.dev79 + rs = re.sub(r"[\-\.](dev)[\-\.]?r?(\d+)$", r".\1\2", rs) + + # Clean: 2.0.a.3, 2.0.b1, 0.9.0~c1 + rs = re.sub(r"[.~]?([abc])\.?", r"\1", rs) + + # Clean: v0.3, v1.0 + if rs.startswith('v'): + rs = rs[1:] + + # Clean leading '0's on numbers. + #TODO: unintended side-effect on, e.g., "2003.05.09" + # PyPI stats: 77 (~2%) better + rs = re.sub(r"\b0+(\d+)(?!\d)", r"\1", rs) + + # Clean a/b/c with no version. E.g. "1.0a" -> "1.0a0". Setuptools infers + # zero. + # PyPI stats: 245 (7.56%) better + rs = re.sub(r"(\d+[abc])$", r"\g<1>0", rs) + + # the 'dev-rNNN' tag is a dev tag + rs = re.sub(r"\.?(dev-r|dev\.r)\.?(\d+)$", r".dev\2", rs) + + # clean the - when used as a pre delimiter + rs = re.sub(r"-(a|b|c)(\d+)$", r"\1\2", rs) + + # a terminal "dev" or "devel" can be changed into ".dev0" + rs = re.sub(r"[\.\-](dev|devel)$", r".dev0", rs) + + # a terminal "dev" can be changed into ".dev0" + rs = re.sub(r"(?![\.\-])dev$", r".dev0", rs) + + # a terminal "final" or "stable" can be removed + rs = re.sub(r"(final|stable)$", "", rs) + + # The 'r' and the '-' tags are post release tags + # 0.4a1.r10 -> 0.4a1.post10 + # 0.9.33-17222 -> 0.9.33.post17222 + # 0.9.33-r17222 -> 0.9.33.post17222 + rs = re.sub(r"\.?(r|-|-r)\.?(\d+)$", r".post\2", rs) + + # Clean 'r' instead of 'dev' usage: + # 0.9.33+r17222 -> 0.9.33.dev17222 + # 1.0dev123 -> 1.0.dev123 + # 1.0.git123 -> 1.0.dev123 + # 1.0.bzr123 -> 1.0.dev123 + # 0.1a0dev.123 -> 0.1a0.dev123 + # PyPI stats: ~150 (~4%) better + rs = re.sub(r"\.?(dev|git|bzr)\.?(\d+)$", r".dev\2", rs) + + # Clean '.pre' (normalized from '-pre' above) instead of 'c' usage: + # 0.2.pre1 -> 0.2c1 + # 0.2-c1 -> 0.2c1 + # 1.0preview123 -> 1.0c123 + # PyPI stats: ~21 (0.62%) better + rs = re.sub(r"\.?(pre|preview|-c)(\d+)$", r"c\g<2>", rs) + + # Tcl/Tk uses "px" for their post release markers + rs = re.sub(r"p(\d+)$", r".post\1", rs) + + try: + _normalized_key(rs) + except UnsupportedVersionError: + rs = None + return rs + +# +# Legacy version processing (distribute-compatible) +# + +_VERSION_PART = re.compile(r'([a-z]+|\d+|[\.-])', re.I) +_VERSION_REPLACE = { + 'pre': 'c', + 'preview': 'c', + '-': 'final-', + 'rc': 'c', + 'dev': '@', + '': None, + '.': None, +} + + +def _legacy_key(s): + def get_parts(s): + result = [] + for p in _VERSION_PART.split(s.lower()): + p = _VERSION_REPLACE.get(p, p) + if p: + if '0' <= p[:1] <= '9': + p = p.zfill(8) + else: + p = '*' + p + result.append(p) + result.append('*final') + return result + + result = [] + for p in get_parts(s): + if p.startswith('*'): + if p < '*final': + while result and result[-1] == '*final-': + result.pop() + while result and result[-1] == '00000000': + result.pop() + result.append(p) + return tuple(result) + + +class LegacyVersion(Version): + def parse(self, s): + return _legacy_key(s) + + @property + def is_prerelease(self): + result = False + for x in self._parts: + if (isinstance(x, string_types) and x.startswith('*') and + x < '*final'): + result = True + break + return result + + +class LegacyMatcher(Matcher): + version_class = LegacyVersion + + _operators = dict(Matcher._operators) + _operators['~='] = '_match_compatible' + + numeric_re = re.compile(r'^(\d+(\.\d+)*)') + + def _match_compatible(self, version, constraint, prefix): + if version < constraint: + return False + m = self.numeric_re.match(str(constraint)) + if not m: + logger.warning('Cannot compute compatible match for version %s ' + ' and constraint %s', version, constraint) + return True + s = m.groups()[0] + if '.' in s: + s = s.rsplit('.', 1)[0] + return _match_prefix(version, s) + +# +# Semantic versioning +# + +_SEMVER_RE = re.compile(r'^(\d+)\.(\d+)\.(\d+)' + r'(-[a-z0-9]+(\.[a-z0-9-]+)*)?' + r'(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$', re.I) + + +def is_semver(s): + return _SEMVER_RE.match(s) + + +def _semantic_key(s): + def make_tuple(s, absent): + if s is None: + result = (absent,) + else: + parts = s[1:].split('.') + # We can't compare ints and strings on Python 3, so fudge it + # by zero-filling numeric values so simulate a numeric comparison + result = tuple([p.zfill(8) if p.isdigit() else p for p in parts]) + return result + + m = is_semver(s) + if not m: + raise UnsupportedVersionError(s) + groups = m.groups() + major, minor, patch = [int(i) for i in groups[:3]] + # choose the '|' and '*' so that versions sort correctly + pre, build = make_tuple(groups[3], '|'), make_tuple(groups[5], '*') + return (major, minor, patch), pre, build + + +class SemanticVersion(Version): + def parse(self, s): + return _semantic_key(s) + + @property + def is_prerelease(self): + return self._parts[1][0] != '|' + + +class SemanticMatcher(Matcher): + version_class = SemanticVersion + + +class VersionScheme(object): + def __init__(self, key, matcher, suggester=None): + self.key = key + self.matcher = matcher + self.suggester = suggester + + def is_valid_version(self, s): + try: + self.matcher.version_class(s) + result = True + except UnsupportedVersionError: + result = False + return result + + def is_valid_matcher(self, s): + try: + self.matcher(s) + result = True + except UnsupportedVersionError: + result = False + return result + + def is_valid_constraint_list(self, s): + """ + Used for processing some metadata fields + """ + return self.is_valid_matcher('dummy_name (%s)' % s) + + def suggest(self, s): + if self.suggester is None: + result = None + else: + result = self.suggester(s) + return result + +_SCHEMES = { + 'normalized': VersionScheme(_normalized_key, NormalizedMatcher, + _suggest_normalized_version), + 'legacy': VersionScheme(_legacy_key, LegacyMatcher, lambda self, s: s), + 'semantic': VersionScheme(_semantic_key, SemanticMatcher, + _suggest_semantic_version), +} + +_SCHEMES['default'] = _SCHEMES['normalized'] + + +def get_scheme(name): + if name not in _SCHEMES: + raise ValueError('unknown scheme name: %r' % name) + return _SCHEMES[name] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w32.exe b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w32.exe new file mode 100644 index 0000000..732215a Binary files /dev/null and b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w32.exe differ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w64.exe b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w64.exe new file mode 100644 index 0000000..c41bd0a Binary files /dev/null and b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/w64.exe differ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/wheel.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/wheel.py new file mode 100644 index 0000000..b04bfae --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distlib/wheel.py @@ -0,0 +1,988 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013-2017 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import unicode_literals + +import base64 +import codecs +import datetime +import distutils.util +from email import message_from_file +import hashlib +import imp +import json +import logging +import os +import posixpath +import re +import shutil +import sys +import tempfile +import zipfile + +from . import __version__, DistlibException +from .compat import sysconfig, ZipFile, fsdecode, text_type, filter +from .database import InstalledDistribution +from .metadata import Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME +from .util import (FileOperator, convert_path, CSVReader, CSVWriter, Cache, + cached_property, get_cache_base, read_exports, tempdir) +from .version import NormalizedVersion, UnsupportedVersionError + +logger = logging.getLogger(__name__) + +cache = None # created when needed + +if hasattr(sys, 'pypy_version_info'): # pragma: no cover + IMP_PREFIX = 'pp' +elif sys.platform.startswith('java'): # pragma: no cover + IMP_PREFIX = 'jy' +elif sys.platform == 'cli': # pragma: no cover + IMP_PREFIX = 'ip' +else: + IMP_PREFIX = 'cp' + +VER_SUFFIX = sysconfig.get_config_var('py_version_nodot') +if not VER_SUFFIX: # pragma: no cover + VER_SUFFIX = '%s%s' % sys.version_info[:2] +PYVER = 'py' + VER_SUFFIX +IMPVER = IMP_PREFIX + VER_SUFFIX + +ARCH = distutils.util.get_platform().replace('-', '_').replace('.', '_') + +ABI = sysconfig.get_config_var('SOABI') +if ABI and ABI.startswith('cpython-'): + ABI = ABI.replace('cpython-', 'cp') +else: + def _derive_abi(): + parts = ['cp', VER_SUFFIX] + if sysconfig.get_config_var('Py_DEBUG'): + parts.append('d') + if sysconfig.get_config_var('WITH_PYMALLOC'): + parts.append('m') + if sysconfig.get_config_var('Py_UNICODE_SIZE') == 4: + parts.append('u') + return ''.join(parts) + ABI = _derive_abi() + del _derive_abi + +FILENAME_RE = re.compile(r''' +(?P<nm>[^-]+) +-(?P<vn>\d+[^-]*) +(-(?P<bn>\d+[^-]*))? +-(?P<py>\w+\d+(\.\w+\d+)*) +-(?P<bi>\w+) +-(?P<ar>\w+(\.\w+)*) +\.whl$ +''', re.IGNORECASE | re.VERBOSE) + +NAME_VERSION_RE = re.compile(r''' +(?P<nm>[^-]+) +-(?P<vn>\d+[^-]*) +(-(?P<bn>\d+[^-]*))?$ +''', re.IGNORECASE | re.VERBOSE) + +SHEBANG_RE = re.compile(br'\s*#![^\r\n]*') +SHEBANG_DETAIL_RE = re.compile(br'^(\s*#!("[^"]+"|\S+))\s+(.*)$') +SHEBANG_PYTHON = b'#!python' +SHEBANG_PYTHONW = b'#!pythonw' + +if os.sep == '/': + to_posix = lambda o: o +else: + to_posix = lambda o: o.replace(os.sep, '/') + + +class Mounter(object): + def __init__(self): + self.impure_wheels = {} + self.libs = {} + + def add(self, pathname, extensions): + self.impure_wheels[pathname] = extensions + self.libs.update(extensions) + + def remove(self, pathname): + extensions = self.impure_wheels.pop(pathname) + for k, v in extensions: + if k in self.libs: + del self.libs[k] + + def find_module(self, fullname, path=None): + if fullname in self.libs: + result = self + else: + result = None + return result + + def load_module(self, fullname): + if fullname in sys.modules: + result = sys.modules[fullname] + else: + if fullname not in self.libs: + raise ImportError('unable to find extension for %s' % fullname) + result = imp.load_dynamic(fullname, self.libs[fullname]) + result.__loader__ = self + parts = fullname.rsplit('.', 1) + if len(parts) > 1: + result.__package__ = parts[0] + return result + +_hook = Mounter() + + +class Wheel(object): + """ + Class to build and install from Wheel files (PEP 427). + """ + + wheel_version = (1, 1) + hash_kind = 'sha256' + + def __init__(self, filename=None, sign=False, verify=False): + """ + Initialise an instance using a (valid) filename. + """ + self.sign = sign + self.should_verify = verify + self.buildver = '' + self.pyver = [PYVER] + self.abi = ['none'] + self.arch = ['any'] + self.dirname = os.getcwd() + if filename is None: + self.name = 'dummy' + self.version = '0.1' + self._filename = self.filename + else: + m = NAME_VERSION_RE.match(filename) + if m: + info = m.groupdict('') + self.name = info['nm'] + # Reinstate the local version separator + self.version = info['vn'].replace('_', '-') + self.buildver = info['bn'] + self._filename = self.filename + else: + dirname, filename = os.path.split(filename) + m = FILENAME_RE.match(filename) + if not m: + raise DistlibException('Invalid name or ' + 'filename: %r' % filename) + if dirname: + self.dirname = os.path.abspath(dirname) + self._filename = filename + info = m.groupdict('') + self.name = info['nm'] + self.version = info['vn'] + self.buildver = info['bn'] + self.pyver = info['py'].split('.') + self.abi = info['bi'].split('.') + self.arch = info['ar'].split('.') + + @property + def filename(self): + """ + Build and return a filename from the various components. + """ + if self.buildver: + buildver = '-' + self.buildver + else: + buildver = '' + pyver = '.'.join(self.pyver) + abi = '.'.join(self.abi) + arch = '.'.join(self.arch) + # replace - with _ as a local version separator + version = self.version.replace('-', '_') + return '%s-%s%s-%s-%s-%s.whl' % (self.name, version, buildver, + pyver, abi, arch) + + @property + def exists(self): + path = os.path.join(self.dirname, self.filename) + return os.path.isfile(path) + + @property + def tags(self): + for pyver in self.pyver: + for abi in self.abi: + for arch in self.arch: + yield pyver, abi, arch + + @cached_property + def metadata(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + wrapper = codecs.getreader('utf-8') + with ZipFile(pathname, 'r') as zf: + wheel_metadata = self.get_wheel_metadata(zf) + wv = wheel_metadata['Wheel-Version'].split('.', 1) + file_version = tuple([int(i) for i in wv]) + if file_version < (1, 1): + fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME, 'METADATA'] + else: + fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME] + result = None + for fn in fns: + try: + metadata_filename = posixpath.join(info_dir, fn) + with zf.open(metadata_filename) as bf: + wf = wrapper(bf) + result = Metadata(fileobj=wf) + if result: + break + except KeyError: + pass + if not result: + raise ValueError('Invalid wheel, because metadata is ' + 'missing: looked in %s' % ', '.join(fns)) + return result + + def get_wheel_metadata(self, zf): + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + metadata_filename = posixpath.join(info_dir, 'WHEEL') + with zf.open(metadata_filename) as bf: + wf = codecs.getreader('utf-8')(bf) + message = message_from_file(wf) + return dict(message) + + @cached_property + def info(self): + pathname = os.path.join(self.dirname, self.filename) + with ZipFile(pathname, 'r') as zf: + result = self.get_wheel_metadata(zf) + return result + + def process_shebang(self, data): + m = SHEBANG_RE.match(data) + if m: + end = m.end() + shebang, data_after_shebang = data[:end], data[end:] + # Preserve any arguments after the interpreter + if b'pythonw' in shebang.lower(): + shebang_python = SHEBANG_PYTHONW + else: + shebang_python = SHEBANG_PYTHON + m = SHEBANG_DETAIL_RE.match(shebang) + if m: + args = b' ' + m.groups()[-1] + else: + args = b'' + shebang = shebang_python + args + data = shebang + data_after_shebang + else: + cr = data.find(b'\r') + lf = data.find(b'\n') + if cr < 0 or cr > lf: + term = b'\n' + else: + if data[cr:cr + 2] == b'\r\n': + term = b'\r\n' + else: + term = b'\r' + data = SHEBANG_PYTHON + term + data + return data + + def get_hash(self, data, hash_kind=None): + if hash_kind is None: + hash_kind = self.hash_kind + try: + hasher = getattr(hashlib, hash_kind) + except AttributeError: + raise DistlibException('Unsupported hash algorithm: %r' % hash_kind) + result = hasher(data).digest() + result = base64.urlsafe_b64encode(result).rstrip(b'=').decode('ascii') + return hash_kind, result + + def write_record(self, records, record_path, base): + records = list(records) # make a copy for sorting + p = to_posix(os.path.relpath(record_path, base)) + records.append((p, '', '')) + records.sort() + with CSVWriter(record_path) as writer: + for row in records: + writer.writerow(row) + + def write_records(self, info, libdir, archive_paths): + records = [] + distinfo, info_dir = info + hasher = getattr(hashlib, self.hash_kind) + for ap, p in archive_paths: + with open(p, 'rb') as f: + data = f.read() + digest = '%s=%s' % self.get_hash(data) + size = os.path.getsize(p) + records.append((ap, digest, size)) + + p = os.path.join(distinfo, 'RECORD') + self.write_record(records, p, libdir) + ap = to_posix(os.path.join(info_dir, 'RECORD')) + archive_paths.append((ap, p)) + + def build_zip(self, pathname, archive_paths): + with ZipFile(pathname, 'w', zipfile.ZIP_DEFLATED) as zf: + for ap, p in archive_paths: + logger.debug('Wrote %s to %s in wheel', p, ap) + zf.write(p, ap) + + def build(self, paths, tags=None, wheel_version=None): + """ + Build a wheel from files in specified paths, and use any specified tags + when determining the name of the wheel. + """ + if tags is None: + tags = {} + + libkey = list(filter(lambda o: o in paths, ('purelib', 'platlib')))[0] + if libkey == 'platlib': + is_pure = 'false' + default_pyver = [IMPVER] + default_abi = [ABI] + default_arch = [ARCH] + else: + is_pure = 'true' + default_pyver = [PYVER] + default_abi = ['none'] + default_arch = ['any'] + + self.pyver = tags.get('pyver', default_pyver) + self.abi = tags.get('abi', default_abi) + self.arch = tags.get('arch', default_arch) + + libdir = paths[libkey] + + name_ver = '%s-%s' % (self.name, self.version) + data_dir = '%s.data' % name_ver + info_dir = '%s.dist-info' % name_ver + + archive_paths = [] + + # First, stuff which is not in site-packages + for key in ('data', 'headers', 'scripts'): + if key not in paths: + continue + path = paths[key] + if os.path.isdir(path): + for root, dirs, files in os.walk(path): + for fn in files: + p = fsdecode(os.path.join(root, fn)) + rp = os.path.relpath(p, path) + ap = to_posix(os.path.join(data_dir, key, rp)) + archive_paths.append((ap, p)) + if key == 'scripts' and not p.endswith('.exe'): + with open(p, 'rb') as f: + data = f.read() + data = self.process_shebang(data) + with open(p, 'wb') as f: + f.write(data) + + # Now, stuff which is in site-packages, other than the + # distinfo stuff. + path = libdir + distinfo = None + for root, dirs, files in os.walk(path): + if root == path: + # At the top level only, save distinfo for later + # and skip it for now + for i, dn in enumerate(dirs): + dn = fsdecode(dn) + if dn.endswith('.dist-info'): + distinfo = os.path.join(root, dn) + del dirs[i] + break + assert distinfo, '.dist-info directory expected, not found' + + for fn in files: + # comment out next suite to leave .pyc files in + if fsdecode(fn).endswith(('.pyc', '.pyo')): + continue + p = os.path.join(root, fn) + rp = to_posix(os.path.relpath(p, path)) + archive_paths.append((rp, p)) + + # Now distinfo. Assumed to be flat, i.e. os.listdir is enough. + files = os.listdir(distinfo) + for fn in files: + if fn not in ('RECORD', 'INSTALLER', 'SHARED', 'WHEEL'): + p = fsdecode(os.path.join(distinfo, fn)) + ap = to_posix(os.path.join(info_dir, fn)) + archive_paths.append((ap, p)) + + wheel_metadata = [ + 'Wheel-Version: %d.%d' % (wheel_version or self.wheel_version), + 'Generator: distlib %s' % __version__, + 'Root-Is-Purelib: %s' % is_pure, + ] + for pyver, abi, arch in self.tags: + wheel_metadata.append('Tag: %s-%s-%s' % (pyver, abi, arch)) + p = os.path.join(distinfo, 'WHEEL') + with open(p, 'w') as f: + f.write('\n'.join(wheel_metadata)) + ap = to_posix(os.path.join(info_dir, 'WHEEL')) + archive_paths.append((ap, p)) + + # Now, at last, RECORD. + # Paths in here are archive paths - nothing else makes sense. + self.write_records((distinfo, info_dir), libdir, archive_paths) + # Now, ready to build the zip file + pathname = os.path.join(self.dirname, self.filename) + self.build_zip(pathname, archive_paths) + return pathname + + def install(self, paths, maker, **kwargs): + """ + Install a wheel to the specified paths. If kwarg ``warner`` is + specified, it should be a callable, which will be called with two + tuples indicating the wheel version of this software and the wheel + version in the file, if there is a discrepancy in the versions. + This can be used to issue any warnings to raise any exceptions. + If kwarg ``lib_only`` is True, only the purelib/platlib files are + installed, and the headers, scripts, data and dist-info metadata are + not written. If kwarg ``bytecode_hashed_invalidation`` is True, written + bytecode will try to use file-hash based invalidation (PEP-552) on + supported interpreter versions (CPython 2.7+). + + The return value is a :class:`InstalledDistribution` instance unless + ``options.lib_only`` is True, in which case the return value is ``None``. + """ + + dry_run = maker.dry_run + warner = kwargs.get('warner') + lib_only = kwargs.get('lib_only', False) + bc_hashed_invalidation = kwargs.get('bytecode_hashed_invalidation', False) + + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + data_dir = '%s.data' % name_ver + info_dir = '%s.dist-info' % name_ver + + metadata_name = posixpath.join(info_dir, METADATA_FILENAME) + wheel_metadata_name = posixpath.join(info_dir, 'WHEEL') + record_name = posixpath.join(info_dir, 'RECORD') + + wrapper = codecs.getreader('utf-8') + + with ZipFile(pathname, 'r') as zf: + with zf.open(wheel_metadata_name) as bwf: + wf = wrapper(bwf) + message = message_from_file(wf) + wv = message['Wheel-Version'].split('.', 1) + file_version = tuple([int(i) for i in wv]) + if (file_version != self.wheel_version) and warner: + warner(self.wheel_version, file_version) + + if message['Root-Is-Purelib'] == 'true': + libdir = paths['purelib'] + else: + libdir = paths['platlib'] + + records = {} + with zf.open(record_name) as bf: + with CSVReader(stream=bf) as reader: + for row in reader: + p = row[0] + records[p] = row + + data_pfx = posixpath.join(data_dir, '') + info_pfx = posixpath.join(info_dir, '') + script_pfx = posixpath.join(data_dir, 'scripts', '') + + # make a new instance rather than a copy of maker's, + # as we mutate it + fileop = FileOperator(dry_run=dry_run) + fileop.record = True # so we can rollback if needed + + bc = not sys.dont_write_bytecode # Double negatives. Lovely! + + outfiles = [] # for RECORD writing + + # for script copying/shebang processing + workdir = tempfile.mkdtemp() + # set target dir later + # we default add_launchers to False, as the + # Python Launcher should be used instead + maker.source_dir = workdir + maker.target_dir = None + try: + for zinfo in zf.infolist(): + arcname = zinfo.filename + if isinstance(arcname, text_type): + u_arcname = arcname + else: + u_arcname = arcname.decode('utf-8') + # The signature file won't be in RECORD, + # and we don't currently don't do anything with it + if u_arcname.endswith('/RECORD.jws'): + continue + row = records[u_arcname] + if row[2] and str(zinfo.file_size) != row[2]: + raise DistlibException('size mismatch for ' + '%s' % u_arcname) + if row[1]: + kind, value = row[1].split('=', 1) + with zf.open(arcname) as bf: + data = bf.read() + _, digest = self.get_hash(data, kind) + if digest != value: + raise DistlibException('digest mismatch for ' + '%s' % arcname) + + if lib_only and u_arcname.startswith((info_pfx, data_pfx)): + logger.debug('lib_only: skipping %s', u_arcname) + continue + is_script = (u_arcname.startswith(script_pfx) + and not u_arcname.endswith('.exe')) + + if u_arcname.startswith(data_pfx): + _, where, rp = u_arcname.split('/', 2) + outfile = os.path.join(paths[where], convert_path(rp)) + else: + # meant for site-packages. + if u_arcname in (wheel_metadata_name, record_name): + continue + outfile = os.path.join(libdir, convert_path(u_arcname)) + if not is_script: + with zf.open(arcname) as bf: + fileop.copy_stream(bf, outfile) + outfiles.append(outfile) + # Double check the digest of the written file + if not dry_run and row[1]: + with open(outfile, 'rb') as bf: + data = bf.read() + _, newdigest = self.get_hash(data, kind) + if newdigest != digest: + raise DistlibException('digest mismatch ' + 'on write for ' + '%s' % outfile) + if bc and outfile.endswith('.py'): + try: + pyc = fileop.byte_compile(outfile, + hashed_invalidation=bc_hashed_invalidation) + outfiles.append(pyc) + except Exception: + # Don't give up if byte-compilation fails, + # but log it and perhaps warn the user + logger.warning('Byte-compilation failed', + exc_info=True) + else: + fn = os.path.basename(convert_path(arcname)) + workname = os.path.join(workdir, fn) + with zf.open(arcname) as bf: + fileop.copy_stream(bf, workname) + + dn, fn = os.path.split(outfile) + maker.target_dir = dn + filenames = maker.make(fn) + fileop.set_executable_mode(filenames) + outfiles.extend(filenames) + + if lib_only: + logger.debug('lib_only: returning None') + dist = None + else: + # Generate scripts + + # Try to get pydist.json so we can see if there are + # any commands to generate. If this fails (e.g. because + # of a legacy wheel), log a warning but don't give up. + commands = None + file_version = self.info['Wheel-Version'] + if file_version == '1.0': + # Use legacy info + ep = posixpath.join(info_dir, 'entry_points.txt') + try: + with zf.open(ep) as bwf: + epdata = read_exports(bwf) + commands = {} + for key in ('console', 'gui'): + k = '%s_scripts' % key + if k in epdata: + commands['wrap_%s' % key] = d = {} + for v in epdata[k].values(): + s = '%s:%s' % (v.prefix, v.suffix) + if v.flags: + s += ' %s' % v.flags + d[v.name] = s + except Exception: + logger.warning('Unable to read legacy script ' + 'metadata, so cannot generate ' + 'scripts') + else: + try: + with zf.open(metadata_name) as bwf: + wf = wrapper(bwf) + commands = json.load(wf).get('extensions') + if commands: + commands = commands.get('python.commands') + except Exception: + logger.warning('Unable to read JSON metadata, so ' + 'cannot generate scripts') + if commands: + console_scripts = commands.get('wrap_console', {}) + gui_scripts = commands.get('wrap_gui', {}) + if console_scripts or gui_scripts: + script_dir = paths.get('scripts', '') + if not os.path.isdir(script_dir): + raise ValueError('Valid script path not ' + 'specified') + maker.target_dir = script_dir + for k, v in console_scripts.items(): + script = '%s = %s' % (k, v) + filenames = maker.make(script) + fileop.set_executable_mode(filenames) + + if gui_scripts: + options = {'gui': True } + for k, v in gui_scripts.items(): + script = '%s = %s' % (k, v) + filenames = maker.make(script, options) + fileop.set_executable_mode(filenames) + + p = os.path.join(libdir, info_dir) + dist = InstalledDistribution(p) + + # Write SHARED + paths = dict(paths) # don't change passed in dict + del paths['purelib'] + del paths['platlib'] + paths['lib'] = libdir + p = dist.write_shared_locations(paths, dry_run) + if p: + outfiles.append(p) + + # Write RECORD + dist.write_installed_files(outfiles, paths['prefix'], + dry_run) + return dist + except Exception: # pragma: no cover + logger.exception('installation failed.') + fileop.rollback() + raise + finally: + shutil.rmtree(workdir) + + def _get_dylib_cache(self): + global cache + if cache is None: + # Use native string to avoid issues on 2.x: see Python #20140. + base = os.path.join(get_cache_base(), str('dylib-cache'), + sys.version[:3]) + cache = Cache(base) + return cache + + def _get_extensions(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + arcname = posixpath.join(info_dir, 'EXTENSIONS') + wrapper = codecs.getreader('utf-8') + result = [] + with ZipFile(pathname, 'r') as zf: + try: + with zf.open(arcname) as bf: + wf = wrapper(bf) + extensions = json.load(wf) + cache = self._get_dylib_cache() + prefix = cache.prefix_to_dir(pathname) + cache_base = os.path.join(cache.base, prefix) + if not os.path.isdir(cache_base): + os.makedirs(cache_base) + for name, relpath in extensions.items(): + dest = os.path.join(cache_base, convert_path(relpath)) + if not os.path.exists(dest): + extract = True + else: + file_time = os.stat(dest).st_mtime + file_time = datetime.datetime.fromtimestamp(file_time) + info = zf.getinfo(relpath) + wheel_time = datetime.datetime(*info.date_time) + extract = wheel_time > file_time + if extract: + zf.extract(relpath, cache_base) + result.append((name, dest)) + except KeyError: + pass + return result + + def is_compatible(self): + """ + Determine if a wheel is compatible with the running system. + """ + return is_compatible(self) + + def is_mountable(self): + """ + Determine if a wheel is asserted as mountable by its metadata. + """ + return True # for now - metadata details TBD + + def mount(self, append=False): + pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) + if not self.is_compatible(): + msg = 'Wheel %s not compatible with this Python.' % pathname + raise DistlibException(msg) + if not self.is_mountable(): + msg = 'Wheel %s is marked as not mountable.' % pathname + raise DistlibException(msg) + if pathname in sys.path: + logger.debug('%s already in path', pathname) + else: + if append: + sys.path.append(pathname) + else: + sys.path.insert(0, pathname) + extensions = self._get_extensions() + if extensions: + if _hook not in sys.meta_path: + sys.meta_path.append(_hook) + _hook.add(pathname, extensions) + + def unmount(self): + pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) + if pathname not in sys.path: + logger.debug('%s not in path', pathname) + else: + sys.path.remove(pathname) + if pathname in _hook.impure_wheels: + _hook.remove(pathname) + if not _hook.impure_wheels: + if _hook in sys.meta_path: + sys.meta_path.remove(_hook) + + def verify(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + data_dir = '%s.data' % name_ver + info_dir = '%s.dist-info' % name_ver + + metadata_name = posixpath.join(info_dir, METADATA_FILENAME) + wheel_metadata_name = posixpath.join(info_dir, 'WHEEL') + record_name = posixpath.join(info_dir, 'RECORD') + + wrapper = codecs.getreader('utf-8') + + with ZipFile(pathname, 'r') as zf: + with zf.open(wheel_metadata_name) as bwf: + wf = wrapper(bwf) + message = message_from_file(wf) + wv = message['Wheel-Version'].split('.', 1) + file_version = tuple([int(i) for i in wv]) + # TODO version verification + + records = {} + with zf.open(record_name) as bf: + with CSVReader(stream=bf) as reader: + for row in reader: + p = row[0] + records[p] = row + + for zinfo in zf.infolist(): + arcname = zinfo.filename + if isinstance(arcname, text_type): + u_arcname = arcname + else: + u_arcname = arcname.decode('utf-8') + if '..' in u_arcname: + raise DistlibException('invalid entry in ' + 'wheel: %r' % u_arcname) + + # The signature file won't be in RECORD, + # and we don't currently don't do anything with it + if u_arcname.endswith('/RECORD.jws'): + continue + row = records[u_arcname] + if row[2] and str(zinfo.file_size) != row[2]: + raise DistlibException('size mismatch for ' + '%s' % u_arcname) + if row[1]: + kind, value = row[1].split('=', 1) + with zf.open(arcname) as bf: + data = bf.read() + _, digest = self.get_hash(data, kind) + if digest != value: + raise DistlibException('digest mismatch for ' + '%s' % arcname) + + def update(self, modifier, dest_dir=None, **kwargs): + """ + Update the contents of a wheel in a generic way. The modifier should + be a callable which expects a dictionary argument: its keys are + archive-entry paths, and its values are absolute filesystem paths + where the contents the corresponding archive entries can be found. The + modifier is free to change the contents of the files pointed to, add + new entries and remove entries, before returning. This method will + extract the entire contents of the wheel to a temporary location, call + the modifier, and then use the passed (and possibly updated) + dictionary to write a new wheel. If ``dest_dir`` is specified, the new + wheel is written there -- otherwise, the original wheel is overwritten. + + The modifier should return True if it updated the wheel, else False. + This method returns the same value the modifier returns. + """ + + def get_version(path_map, info_dir): + version = path = None + key = '%s/%s' % (info_dir, METADATA_FILENAME) + if key not in path_map: + key = '%s/PKG-INFO' % info_dir + if key in path_map: + path = path_map[key] + version = Metadata(path=path).version + return version, path + + def update_version(version, path): + updated = None + try: + v = NormalizedVersion(version) + i = version.find('-') + if i < 0: + updated = '%s+1' % version + else: + parts = [int(s) for s in version[i + 1:].split('.')] + parts[-1] += 1 + updated = '%s+%s' % (version[:i], + '.'.join(str(i) for i in parts)) + except UnsupportedVersionError: + logger.debug('Cannot update non-compliant (PEP-440) ' + 'version %r', version) + if updated: + md = Metadata(path=path) + md.version = updated + legacy = not path.endswith(METADATA_FILENAME) + md.write(path=path, legacy=legacy) + logger.debug('Version updated from %r to %r', version, + updated) + + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + record_name = posixpath.join(info_dir, 'RECORD') + with tempdir() as workdir: + with ZipFile(pathname, 'r') as zf: + path_map = {} + for zinfo in zf.infolist(): + arcname = zinfo.filename + if isinstance(arcname, text_type): + u_arcname = arcname + else: + u_arcname = arcname.decode('utf-8') + if u_arcname == record_name: + continue + if '..' in u_arcname: + raise DistlibException('invalid entry in ' + 'wheel: %r' % u_arcname) + zf.extract(zinfo, workdir) + path = os.path.join(workdir, convert_path(u_arcname)) + path_map[u_arcname] = path + + # Remember the version. + original_version, _ = get_version(path_map, info_dir) + # Files extracted. Call the modifier. + modified = modifier(path_map, **kwargs) + if modified: + # Something changed - need to build a new wheel. + current_version, path = get_version(path_map, info_dir) + if current_version and (current_version == original_version): + # Add or update local version to signify changes. + update_version(current_version, path) + # Decide where the new wheel goes. + if dest_dir is None: + fd, newpath = tempfile.mkstemp(suffix='.whl', + prefix='wheel-update-', + dir=workdir) + os.close(fd) + else: + if not os.path.isdir(dest_dir): + raise DistlibException('Not a directory: %r' % dest_dir) + newpath = os.path.join(dest_dir, self.filename) + archive_paths = list(path_map.items()) + distinfo = os.path.join(workdir, info_dir) + info = distinfo, info_dir + self.write_records(info, workdir, archive_paths) + self.build_zip(newpath, archive_paths) + if dest_dir is None: + shutil.copyfile(newpath, pathname) + return modified + +def compatible_tags(): + """ + Return (pyver, abi, arch) tuples compatible with this Python. + """ + versions = [VER_SUFFIX] + major = VER_SUFFIX[0] + for minor in range(sys.version_info[1] - 1, - 1, -1): + versions.append(''.join([major, str(minor)])) + + abis = [] + for suffix, _, _ in imp.get_suffixes(): + if suffix.startswith('.abi'): + abis.append(suffix.split('.', 2)[1]) + abis.sort() + if ABI != 'none': + abis.insert(0, ABI) + abis.append('none') + result = [] + + arches = [ARCH] + if sys.platform == 'darwin': + m = re.match(r'(\w+)_(\d+)_(\d+)_(\w+)$', ARCH) + if m: + name, major, minor, arch = m.groups() + minor = int(minor) + matches = [arch] + if arch in ('i386', 'ppc'): + matches.append('fat') + if arch in ('i386', 'ppc', 'x86_64'): + matches.append('fat3') + if arch in ('ppc64', 'x86_64'): + matches.append('fat64') + if arch in ('i386', 'x86_64'): + matches.append('intel') + if arch in ('i386', 'x86_64', 'intel', 'ppc', 'ppc64'): + matches.append('universal') + while minor >= 0: + for match in matches: + s = '%s_%s_%s_%s' % (name, major, minor, match) + if s != ARCH: # already there + arches.append(s) + minor -= 1 + + # Most specific - our Python version, ABI and arch + for abi in abis: + for arch in arches: + result.append((''.join((IMP_PREFIX, versions[0])), abi, arch)) + + # where no ABI / arch dependency, but IMP_PREFIX dependency + for i, version in enumerate(versions): + result.append((''.join((IMP_PREFIX, version)), 'none', 'any')) + if i == 0: + result.append((''.join((IMP_PREFIX, version[0])), 'none', 'any')) + + # no IMP_PREFIX, ABI or arch dependency + for i, version in enumerate(versions): + result.append((''.join(('py', version)), 'none', 'any')) + if i == 0: + result.append((''.join(('py', version[0])), 'none', 'any')) + return set(result) + + +COMPATIBLE_TAGS = compatible_tags() + +del compatible_tags + + +def is_compatible(wheel, tags=None): + if not isinstance(wheel, Wheel): + wheel = Wheel(wheel) # assume it's a filename + result = False + if tags is None: + tags = COMPATIBLE_TAGS + for ver, abi, arch in tags: + if ver in wheel.pyver and abi in wheel.abi and arch in wheel.arch: + result = True + break + return result diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distro.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distro.py new file mode 100644 index 0000000..aa4defc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/distro.py @@ -0,0 +1,1197 @@ +# Copyright 2015,2016,2017 Nir Cohen +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +""" +The ``distro`` package (``distro`` stands for Linux Distribution) provides +information about the Linux distribution it runs on, such as a reliable +machine-readable distro ID, or version information. + +It is a renewed alternative implementation for Python's original +:py:func:`platform.linux_distribution` function, but it provides much more +functionality. An alternative implementation became necessary because Python +3.5 deprecated this function, and Python 3.7 is expected to remove it +altogether. Its predecessor function :py:func:`platform.dist` was already +deprecated since Python 2.6 and is also expected to be removed in Python 3.7. +Still, there are many cases in which access to OS distribution information +is needed. See `Python issue 1322 <https://bugs.python.org/issue1322>`_ for +more information. +""" + +import os +import re +import sys +import json +import shlex +import logging +import argparse +import subprocess + + +_UNIXCONFDIR = os.environ.get('UNIXCONFDIR', '/etc') +_OS_RELEASE_BASENAME = 'os-release' + +#: Translation table for normalizing the "ID" attribute defined in os-release +#: files, for use by the :func:`distro.id` method. +#: +#: * Key: Value as defined in the os-release file, translated to lower case, +#: with blanks translated to underscores. +#: +#: * Value: Normalized value. +NORMALIZED_OS_ID = {} + +#: Translation table for normalizing the "Distributor ID" attribute returned by +#: the lsb_release command, for use by the :func:`distro.id` method. +#: +#: * Key: Value as returned by the lsb_release command, translated to lower +#: case, with blanks translated to underscores. +#: +#: * Value: Normalized value. +NORMALIZED_LSB_ID = { + 'enterpriseenterprise': 'oracle', # Oracle Enterprise Linux + 'redhatenterpriseworkstation': 'rhel', # RHEL 6, 7 Workstation + 'redhatenterpriseserver': 'rhel', # RHEL 6, 7 Server +} + +#: Translation table for normalizing the distro ID derived from the file name +#: of distro release files, for use by the :func:`distro.id` method. +#: +#: * Key: Value as derived from the file name of a distro release file, +#: translated to lower case, with blanks translated to underscores. +#: +#: * Value: Normalized value. +NORMALIZED_DISTRO_ID = { + 'redhat': 'rhel', # RHEL 6.x, 7.x +} + +# Pattern for content of distro release file (reversed) +_DISTRO_RELEASE_CONTENT_REVERSED_PATTERN = re.compile( + r'(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)') + +# Pattern for base file name of distro release file +_DISTRO_RELEASE_BASENAME_PATTERN = re.compile( + r'(\w+)[-_](release|version)$') + +# Base file names to be ignored when searching for distro release file +_DISTRO_RELEASE_IGNORE_BASENAMES = ( + 'debian_version', + 'lsb-release', + 'oem-release', + _OS_RELEASE_BASENAME, + 'system-release' +) + + +def linux_distribution(full_distribution_name=True): + """ + Return information about the current OS distribution as a tuple + ``(id_name, version, codename)`` with items as follows: + + * ``id_name``: If *full_distribution_name* is false, the result of + :func:`distro.id`. Otherwise, the result of :func:`distro.name`. + + * ``version``: The result of :func:`distro.version`. + + * ``codename``: The result of :func:`distro.codename`. + + The interface of this function is compatible with the original + :py:func:`platform.linux_distribution` function, supporting a subset of + its parameters. + + The data it returns may not exactly be the same, because it uses more data + sources than the original function, and that may lead to different data if + the OS distribution is not consistent across multiple data sources it + provides (there are indeed such distributions ...). + + Another reason for differences is the fact that the :func:`distro.id` + method normalizes the distro ID string to a reliable machine-readable value + for a number of popular OS distributions. + """ + return _distro.linux_distribution(full_distribution_name) + + +def id(): + """ + Return the distro ID of the current distribution, as a + machine-readable string. + + For a number of OS distributions, the returned distro ID value is + *reliable*, in the sense that it is documented and that it does not change + across releases of the distribution. + + This package maintains the following reliable distro ID values: + + ============== ========================================= + Distro ID Distribution + ============== ========================================= + "ubuntu" Ubuntu + "debian" Debian + "rhel" RedHat Enterprise Linux + "centos" CentOS + "fedora" Fedora + "sles" SUSE Linux Enterprise Server + "opensuse" openSUSE + "amazon" Amazon Linux + "arch" Arch Linux + "cloudlinux" CloudLinux OS + "exherbo" Exherbo Linux + "gentoo" GenToo Linux + "ibm_powerkvm" IBM PowerKVM + "kvmibm" KVM for IBM z Systems + "linuxmint" Linux Mint + "mageia" Mageia + "mandriva" Mandriva Linux + "parallels" Parallels + "pidora" Pidora + "raspbian" Raspbian + "oracle" Oracle Linux (and Oracle Enterprise Linux) + "scientific" Scientific Linux + "slackware" Slackware + "xenserver" XenServer + "openbsd" OpenBSD + "netbsd" NetBSD + "freebsd" FreeBSD + ============== ========================================= + + If you have a need to get distros for reliable IDs added into this set, + or if you find that the :func:`distro.id` function returns a different + distro ID for one of the listed distros, please create an issue in the + `distro issue tracker`_. + + **Lookup hierarchy and transformations:** + + First, the ID is obtained from the following sources, in the specified + order. The first available and non-empty value is used: + + * the value of the "ID" attribute of the os-release file, + + * the value of the "Distributor ID" attribute returned by the lsb_release + command, + + * the first part of the file name of the distro release file, + + The so determined ID value then passes the following transformations, + before it is returned by this method: + + * it is translated to lower case, + + * blanks (which should not be there anyway) are translated to underscores, + + * a normalization of the ID is performed, based upon + `normalization tables`_. The purpose of this normalization is to ensure + that the ID is as reliable as possible, even across incompatible changes + in the OS distributions. A common reason for an incompatible change is + the addition of an os-release file, or the addition of the lsb_release + command, with ID values that differ from what was previously determined + from the distro release file name. + """ + return _distro.id() + + +def name(pretty=False): + """ + Return the name of the current OS distribution, as a human-readable + string. + + If *pretty* is false, the name is returned without version or codename. + (e.g. "CentOS Linux") + + If *pretty* is true, the version and codename are appended. + (e.g. "CentOS Linux 7.1.1503 (Core)") + + **Lookup hierarchy:** + + The name is obtained from the following sources, in the specified order. + The first available and non-empty value is used: + + * If *pretty* is false: + + - the value of the "NAME" attribute of the os-release file, + + - the value of the "Distributor ID" attribute returned by the lsb_release + command, + + - the value of the "<name>" field of the distro release file. + + * If *pretty* is true: + + - the value of the "PRETTY_NAME" attribute of the os-release file, + + - the value of the "Description" attribute returned by the lsb_release + command, + + - the value of the "<name>" field of the distro release file, appended + with the value of the pretty version ("<version_id>" and "<codename>" + fields) of the distro release file, if available. + """ + return _distro.name(pretty) + + +def version(pretty=False, best=False): + """ + Return the version of the current OS distribution, as a human-readable + string. + + If *pretty* is false, the version is returned without codename (e.g. + "7.0"). + + If *pretty* is true, the codename in parenthesis is appended, if the + codename is non-empty (e.g. "7.0 (Maipo)"). + + Some distributions provide version numbers with different precisions in + the different sources of distribution information. Examining the different + sources in a fixed priority order does not always yield the most precise + version (e.g. for Debian 8.2, or CentOS 7.1). + + The *best* parameter can be used to control the approach for the returned + version: + + If *best* is false, the first non-empty version number in priority order of + the examined sources is returned. + + If *best* is true, the most precise version number out of all examined + sources is returned. + + **Lookup hierarchy:** + + In all cases, the version number is obtained from the following sources. + If *best* is false, this order represents the priority order: + + * the value of the "VERSION_ID" attribute of the os-release file, + * the value of the "Release" attribute returned by the lsb_release + command, + * the version number parsed from the "<version_id>" field of the first line + of the distro release file, + * the version number parsed from the "PRETTY_NAME" attribute of the + os-release file, if it follows the format of the distro release files. + * the version number parsed from the "Description" attribute returned by + the lsb_release command, if it follows the format of the distro release + files. + """ + return _distro.version(pretty, best) + + +def version_parts(best=False): + """ + Return the version of the current OS distribution as a tuple + ``(major, minor, build_number)`` with items as follows: + + * ``major``: The result of :func:`distro.major_version`. + + * ``minor``: The result of :func:`distro.minor_version`. + + * ``build_number``: The result of :func:`distro.build_number`. + + For a description of the *best* parameter, see the :func:`distro.version` + method. + """ + return _distro.version_parts(best) + + +def major_version(best=False): + """ + Return the major version of the current OS distribution, as a string, + if provided. + Otherwise, the empty string is returned. The major version is the first + part of the dot-separated version string. + + For a description of the *best* parameter, see the :func:`distro.version` + method. + """ + return _distro.major_version(best) + + +def minor_version(best=False): + """ + Return the minor version of the current OS distribution, as a string, + if provided. + Otherwise, the empty string is returned. The minor version is the second + part of the dot-separated version string. + + For a description of the *best* parameter, see the :func:`distro.version` + method. + """ + return _distro.minor_version(best) + + +def build_number(best=False): + """ + Return the build number of the current OS distribution, as a string, + if provided. + Otherwise, the empty string is returned. The build number is the third part + of the dot-separated version string. + + For a description of the *best* parameter, see the :func:`distro.version` + method. + """ + return _distro.build_number(best) + + +def like(): + """ + Return a space-separated list of distro IDs of distributions that are + closely related to the current OS distribution in regards to packaging + and programming interfaces, for example distributions the current + distribution is a derivative from. + + **Lookup hierarchy:** + + This information item is only provided by the os-release file. + For details, see the description of the "ID_LIKE" attribute in the + `os-release man page + <http://www.freedesktop.org/software/systemd/man/os-release.html>`_. + """ + return _distro.like() + + +def codename(): + """ + Return the codename for the release of the current OS distribution, + as a string. + + If the distribution does not have a codename, an empty string is returned. + + Note that the returned codename is not always really a codename. For + example, openSUSE returns "x86_64". This function does not handle such + cases in any special way and just returns the string it finds, if any. + + **Lookup hierarchy:** + + * the codename within the "VERSION" attribute of the os-release file, if + provided, + + * the value of the "Codename" attribute returned by the lsb_release + command, + + * the value of the "<codename>" field of the distro release file. + """ + return _distro.codename() + + +def info(pretty=False, best=False): + """ + Return certain machine-readable information items about the current OS + distribution in a dictionary, as shown in the following example: + + .. sourcecode:: python + + { + 'id': 'rhel', + 'version': '7.0', + 'version_parts': { + 'major': '7', + 'minor': '0', + 'build_number': '' + }, + 'like': 'fedora', + 'codename': 'Maipo' + } + + The dictionary structure and keys are always the same, regardless of which + information items are available in the underlying data sources. The values + for the various keys are as follows: + + * ``id``: The result of :func:`distro.id`. + + * ``version``: The result of :func:`distro.version`. + + * ``version_parts -> major``: The result of :func:`distro.major_version`. + + * ``version_parts -> minor``: The result of :func:`distro.minor_version`. + + * ``version_parts -> build_number``: The result of + :func:`distro.build_number`. + + * ``like``: The result of :func:`distro.like`. + + * ``codename``: The result of :func:`distro.codename`. + + For a description of the *pretty* and *best* parameters, see the + :func:`distro.version` method. + """ + return _distro.info(pretty, best) + + +def os_release_info(): + """ + Return a dictionary containing key-value pairs for the information items + from the os-release file data source of the current OS distribution. + + See `os-release file`_ for details about these information items. + """ + return _distro.os_release_info() + + +def lsb_release_info(): + """ + Return a dictionary containing key-value pairs for the information items + from the lsb_release command data source of the current OS distribution. + + See `lsb_release command output`_ for details about these information + items. + """ + return _distro.lsb_release_info() + + +def distro_release_info(): + """ + Return a dictionary containing key-value pairs for the information items + from the distro release file data source of the current OS distribution. + + See `distro release file`_ for details about these information items. + """ + return _distro.distro_release_info() + + +def uname_info(): + """ + Return a dictionary containing key-value pairs for the information items + from the distro release file data source of the current OS distribution. + """ + return _distro.uname_info() + + +def os_release_attr(attribute): + """ + Return a single named information item from the os-release file data source + of the current OS distribution. + + Parameters: + + * ``attribute`` (string): Key of the information item. + + Returns: + + * (string): Value of the information item, if the item exists. + The empty string, if the item does not exist. + + See `os-release file`_ for details about these information items. + """ + return _distro.os_release_attr(attribute) + + +def lsb_release_attr(attribute): + """ + Return a single named information item from the lsb_release command output + data source of the current OS distribution. + + Parameters: + + * ``attribute`` (string): Key of the information item. + + Returns: + + * (string): Value of the information item, if the item exists. + The empty string, if the item does not exist. + + See `lsb_release command output`_ for details about these information + items. + """ + return _distro.lsb_release_attr(attribute) + + +def distro_release_attr(attribute): + """ + Return a single named information item from the distro release file + data source of the current OS distribution. + + Parameters: + + * ``attribute`` (string): Key of the information item. + + Returns: + + * (string): Value of the information item, if the item exists. + The empty string, if the item does not exist. + + See `distro release file`_ for details about these information items. + """ + return _distro.distro_release_attr(attribute) + + +def uname_attr(attribute): + """ + Return a single named information item from the distro release file + data source of the current OS distribution. + + Parameters: + + * ``attribute`` (string): Key of the information item. + + Returns: + + * (string): Value of the information item, if the item exists. + The empty string, if the item does not exist. + """ + return _distro.uname_attr(attribute) + + +class cached_property(object): + """A version of @property which caches the value. On access, it calls the + underlying function and sets the value in `__dict__` so future accesses + will not re-call the property. + """ + def __init__(self, f): + self._fname = f.__name__ + self._f = f + + def __get__(self, obj, owner): + assert obj is not None, 'call {} on an instance'.format(self._fname) + ret = obj.__dict__[self._fname] = self._f(obj) + return ret + + +class LinuxDistribution(object): + """ + Provides information about a OS distribution. + + This package creates a private module-global instance of this class with + default initialization arguments, that is used by the + `consolidated accessor functions`_ and `single source accessor functions`_. + By using default initialization arguments, that module-global instance + returns data about the current OS distribution (i.e. the distro this + package runs on). + + Normally, it is not necessary to create additional instances of this class. + However, in situations where control is needed over the exact data sources + that are used, instances of this class can be created with a specific + distro release file, or a specific os-release file, or without invoking the + lsb_release command. + """ + + def __init__(self, + include_lsb=True, + os_release_file='', + distro_release_file='', + include_uname=True): + """ + The initialization method of this class gathers information from the + available data sources, and stores that in private instance attributes. + Subsequent access to the information items uses these private instance + attributes, so that the data sources are read only once. + + Parameters: + + * ``include_lsb`` (bool): Controls whether the + `lsb_release command output`_ is included as a data source. + + If the lsb_release command is not available in the program execution + path, the data source for the lsb_release command will be empty. + + * ``os_release_file`` (string): The path name of the + `os-release file`_ that is to be used as a data source. + + An empty string (the default) will cause the default path name to + be used (see `os-release file`_ for details). + + If the specified or defaulted os-release file does not exist, the + data source for the os-release file will be empty. + + * ``distro_release_file`` (string): The path name of the + `distro release file`_ that is to be used as a data source. + + An empty string (the default) will cause a default search algorithm + to be used (see `distro release file`_ for details). + + If the specified distro release file does not exist, or if no default + distro release file can be found, the data source for the distro + release file will be empty. + + * ``include_name`` (bool): Controls whether uname command output is + included as a data source. If the uname command is not available in + the program execution path the data source for the uname command will + be empty. + + Public instance attributes: + + * ``os_release_file`` (string): The path name of the + `os-release file`_ that is actually used as a data source. The + empty string if no distro release file is used as a data source. + + * ``distro_release_file`` (string): The path name of the + `distro release file`_ that is actually used as a data source. The + empty string if no distro release file is used as a data source. + + * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter. + This controls whether the lsb information will be loaded. + + * ``include_uname`` (bool): The result of the ``include_uname`` + parameter. This controls whether the uname information will + be loaded. + + Raises: + + * :py:exc:`IOError`: Some I/O issue with an os-release file or distro + release file. + + * :py:exc:`subprocess.CalledProcessError`: The lsb_release command had + some issue (other than not being available in the program execution + path). + + * :py:exc:`UnicodeError`: A data source has unexpected characters or + uses an unexpected encoding. + """ + self.os_release_file = os_release_file or \ + os.path.join(_UNIXCONFDIR, _OS_RELEASE_BASENAME) + self.distro_release_file = distro_release_file or '' # updated later + self.include_lsb = include_lsb + self.include_uname = include_uname + + def __repr__(self): + """Return repr of all info + """ + return \ + "LinuxDistribution(" \ + "os_release_file={self.os_release_file!r}, " \ + "distro_release_file={self.distro_release_file!r}, " \ + "include_lsb={self.include_lsb!r}, " \ + "include_uname={self.include_uname!r}, " \ + "_os_release_info={self._os_release_info!r}, " \ + "_lsb_release_info={self._lsb_release_info!r}, " \ + "_distro_release_info={self._distro_release_info!r}, " \ + "_uname_info={self._uname_info!r})".format( + self=self) + + def linux_distribution(self, full_distribution_name=True): + """ + Return information about the OS distribution that is compatible + with Python's :func:`platform.linux_distribution`, supporting a subset + of its parameters. + + For details, see :func:`distro.linux_distribution`. + """ + return ( + self.name() if full_distribution_name else self.id(), + self.version(), + self.codename() + ) + + def id(self): + """Return the distro ID of the OS distribution, as a string. + + For details, see :func:`distro.id`. + """ + def normalize(distro_id, table): + distro_id = distro_id.lower().replace(' ', '_') + return table.get(distro_id, distro_id) + + distro_id = self.os_release_attr('id') + if distro_id: + return normalize(distro_id, NORMALIZED_OS_ID) + + distro_id = self.lsb_release_attr('distributor_id') + if distro_id: + return normalize(distro_id, NORMALIZED_LSB_ID) + + distro_id = self.distro_release_attr('id') + if distro_id: + return normalize(distro_id, NORMALIZED_DISTRO_ID) + + distro_id = self.uname_attr('id') + if distro_id: + return normalize(distro_id, NORMALIZED_DISTRO_ID) + + return '' + + def name(self, pretty=False): + """ + Return the name of the OS distribution, as a string. + + For details, see :func:`distro.name`. + """ + name = self.os_release_attr('name') \ + or self.lsb_release_attr('distributor_id') \ + or self.distro_release_attr('name') \ + or self.uname_attr('name') + if pretty: + name = self.os_release_attr('pretty_name') \ + or self.lsb_release_attr('description') + if not name: + name = self.distro_release_attr('name') \ + or self.uname_attr('name') + version = self.version(pretty=True) + if version: + name = name + ' ' + version + return name or '' + + def version(self, pretty=False, best=False): + """ + Return the version of the OS distribution, as a string. + + For details, see :func:`distro.version`. + """ + versions = [ + self.os_release_attr('version_id'), + self.lsb_release_attr('release'), + self.distro_release_attr('version_id'), + self._parse_distro_release_content( + self.os_release_attr('pretty_name')).get('version_id', ''), + self._parse_distro_release_content( + self.lsb_release_attr('description')).get('version_id', ''), + self.uname_attr('release') + ] + version = '' + if best: + # This algorithm uses the last version in priority order that has + # the best precision. If the versions are not in conflict, that + # does not matter; otherwise, using the last one instead of the + # first one might be considered a surprise. + for v in versions: + if v.count(".") > version.count(".") or version == '': + version = v + else: + for v in versions: + if v != '': + version = v + break + if pretty and version and self.codename(): + version = u'{0} ({1})'.format(version, self.codename()) + return version + + def version_parts(self, best=False): + """ + Return the version of the OS distribution, as a tuple of version + numbers. + + For details, see :func:`distro.version_parts`. + """ + version_str = self.version(best=best) + if version_str: + version_regex = re.compile(r'(\d+)\.?(\d+)?\.?(\d+)?') + matches = version_regex.match(version_str) + if matches: + major, minor, build_number = matches.groups() + return major, minor or '', build_number or '' + return '', '', '' + + def major_version(self, best=False): + """ + Return the major version number of the current distribution. + + For details, see :func:`distro.major_version`. + """ + return self.version_parts(best)[0] + + def minor_version(self, best=False): + """ + Return the minor version number of the current distribution. + + For details, see :func:`distro.minor_version`. + """ + return self.version_parts(best)[1] + + def build_number(self, best=False): + """ + Return the build number of the current distribution. + + For details, see :func:`distro.build_number`. + """ + return self.version_parts(best)[2] + + def like(self): + """ + Return the IDs of distributions that are like the OS distribution. + + For details, see :func:`distro.like`. + """ + return self.os_release_attr('id_like') or '' + + def codename(self): + """ + Return the codename of the OS distribution. + + For details, see :func:`distro.codename`. + """ + return self.os_release_attr('codename') \ + or self.lsb_release_attr('codename') \ + or self.distro_release_attr('codename') \ + or '' + + def info(self, pretty=False, best=False): + """ + Return certain machine-readable information about the OS + distribution. + + For details, see :func:`distro.info`. + """ + return dict( + id=self.id(), + version=self.version(pretty, best), + version_parts=dict( + major=self.major_version(best), + minor=self.minor_version(best), + build_number=self.build_number(best) + ), + like=self.like(), + codename=self.codename(), + ) + + def os_release_info(self): + """ + Return a dictionary containing key-value pairs for the information + items from the os-release file data source of the OS distribution. + + For details, see :func:`distro.os_release_info`. + """ + return self._os_release_info + + def lsb_release_info(self): + """ + Return a dictionary containing key-value pairs for the information + items from the lsb_release command data source of the OS + distribution. + + For details, see :func:`distro.lsb_release_info`. + """ + return self._lsb_release_info + + def distro_release_info(self): + """ + Return a dictionary containing key-value pairs for the information + items from the distro release file data source of the OS + distribution. + + For details, see :func:`distro.distro_release_info`. + """ + return self._distro_release_info + + def uname_info(self): + """ + Return a dictionary containing key-value pairs for the information + items from the uname command data source of the OS distribution. + + For details, see :func:`distro.uname_info`. + """ + + def os_release_attr(self, attribute): + """ + Return a single named information item from the os-release file data + source of the OS distribution. + + For details, see :func:`distro.os_release_attr`. + """ + return self._os_release_info.get(attribute, '') + + def lsb_release_attr(self, attribute): + """ + Return a single named information item from the lsb_release command + output data source of the OS distribution. + + For details, see :func:`distro.lsb_release_attr`. + """ + return self._lsb_release_info.get(attribute, '') + + def distro_release_attr(self, attribute): + """ + Return a single named information item from the distro release file + data source of the OS distribution. + + For details, see :func:`distro.distro_release_attr`. + """ + return self._distro_release_info.get(attribute, '') + + def uname_attr(self, attribute): + """ + Return a single named information item from the uname command + output data source of the OS distribution. + + For details, see :func:`distro.uname_release_attr`. + """ + return self._uname_info.get(attribute, '') + + @cached_property + def _os_release_info(self): + """ + Get the information items from the specified os-release file. + + Returns: + A dictionary containing all information items. + """ + if os.path.isfile(self.os_release_file): + with open(self.os_release_file) as release_file: + return self._parse_os_release_content(release_file) + return {} + + @staticmethod + def _parse_os_release_content(lines): + """ + Parse the lines of an os-release file. + + Parameters: + + * lines: Iterable through the lines in the os-release file. + Each line must be a unicode string or a UTF-8 encoded byte + string. + + Returns: + A dictionary containing all information items. + """ + props = {} + lexer = shlex.shlex(lines, posix=True) + lexer.whitespace_split = True + + # The shlex module defines its `wordchars` variable using literals, + # making it dependent on the encoding of the Python source file. + # In Python 2.6 and 2.7, the shlex source file is encoded in + # 'iso-8859-1', and the `wordchars` variable is defined as a byte + # string. This causes a UnicodeDecodeError to be raised when the + # parsed content is a unicode object. The following fix resolves that + # (... but it should be fixed in shlex...): + if sys.version_info[0] == 2 and isinstance(lexer.wordchars, bytes): + lexer.wordchars = lexer.wordchars.decode('iso-8859-1') + + tokens = list(lexer) + for token in tokens: + # At this point, all shell-like parsing has been done (i.e. + # comments processed, quotes and backslash escape sequences + # processed, multi-line values assembled, trailing newlines + # stripped, etc.), so the tokens are now either: + # * variable assignments: var=value + # * commands or their arguments (not allowed in os-release) + if '=' in token: + k, v = token.split('=', 1) + if isinstance(v, bytes): + v = v.decode('utf-8') + props[k.lower()] = v + if k == 'VERSION': + # this handles cases in which the codename is in + # the `(CODENAME)` (rhel, centos, fedora) format + # or in the `, CODENAME` format (Ubuntu). + codename = re.search(r'(\(\D+\))|,(\s+)?\D+', v) + if codename: + codename = codename.group() + codename = codename.strip('()') + codename = codename.strip(',') + codename = codename.strip() + # codename appears within paranthese. + props['codename'] = codename + else: + props['codename'] = '' + else: + # Ignore any tokens that are not variable assignments + pass + return props + + @cached_property + def _lsb_release_info(self): + """ + Get the information items from the lsb_release command output. + + Returns: + A dictionary containing all information items. + """ + if not self.include_lsb: + return {} + with open(os.devnull, 'w') as devnull: + try: + cmd = ('lsb_release', '-a') + stdout = subprocess.check_output(cmd, stderr=devnull) + except OSError: # Command not found + return {} + content = stdout.decode(sys.getfilesystemencoding()).splitlines() + return self._parse_lsb_release_content(content) + + @staticmethod + def _parse_lsb_release_content(lines): + """ + Parse the output of the lsb_release command. + + Parameters: + + * lines: Iterable through the lines of the lsb_release output. + Each line must be a unicode string or a UTF-8 encoded byte + string. + + Returns: + A dictionary containing all information items. + """ + props = {} + for line in lines: + kv = line.strip('\n').split(':', 1) + if len(kv) != 2: + # Ignore lines without colon. + continue + k, v = kv + props.update({k.replace(' ', '_').lower(): v.strip()}) + return props + + @cached_property + def _uname_info(self): + with open(os.devnull, 'w') as devnull: + try: + cmd = ('uname', '-rs') + stdout = subprocess.check_output(cmd, stderr=devnull) + except OSError: + return {} + content = stdout.decode(sys.getfilesystemencoding()).splitlines() + return self._parse_uname_content(content) + + @staticmethod + def _parse_uname_content(lines): + props = {} + match = re.search(r'^([^\s]+)\s+([\d\.]+)', lines[0].strip()) + if match: + name, version = match.groups() + + # This is to prevent the Linux kernel version from + # appearing as the 'best' version on otherwise + # identifiable distributions. + if name == 'Linux': + return {} + props['id'] = name.lower() + props['name'] = name + props['release'] = version + return props + + @cached_property + def _distro_release_info(self): + """ + Get the information items from the specified distro release file. + + Returns: + A dictionary containing all information items. + """ + if self.distro_release_file: + # If it was specified, we use it and parse what we can, even if + # its file name or content does not match the expected pattern. + distro_info = self._parse_distro_release_file( + self.distro_release_file) + basename = os.path.basename(self.distro_release_file) + # The file name pattern for user-specified distro release files + # is somewhat more tolerant (compared to when searching for the + # file), because we want to use what was specified as best as + # possible. + match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename) + if match: + distro_info['id'] = match.group(1) + return distro_info + else: + try: + basenames = os.listdir(_UNIXCONFDIR) + # We sort for repeatability in cases where there are multiple + # distro specific files; e.g. CentOS, Oracle, Enterprise all + # containing `redhat-release` on top of their own. + basenames.sort() + except OSError: + # This may occur when /etc is not readable but we can't be + # sure about the *-release files. Check common entries of + # /etc for information. If they turn out to not be there the + # error is handled in `_parse_distro_release_file()`. + basenames = ['SuSE-release', + 'arch-release', + 'base-release', + 'centos-release', + 'fedora-release', + 'gentoo-release', + 'mageia-release', + 'mandrake-release', + 'mandriva-release', + 'mandrivalinux-release', + 'manjaro-release', + 'oracle-release', + 'redhat-release', + 'sl-release', + 'slackware-version'] + for basename in basenames: + if basename in _DISTRO_RELEASE_IGNORE_BASENAMES: + continue + match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename) + if match: + filepath = os.path.join(_UNIXCONFDIR, basename) + distro_info = self._parse_distro_release_file(filepath) + if 'name' in distro_info: + # The name is always present if the pattern matches + self.distro_release_file = filepath + distro_info['id'] = match.group(1) + return distro_info + return {} + + def _parse_distro_release_file(self, filepath): + """ + Parse a distro release file. + + Parameters: + + * filepath: Path name of the distro release file. + + Returns: + A dictionary containing all information items. + """ + try: + with open(filepath) as fp: + # Only parse the first line. For instance, on SLES there + # are multiple lines. We don't want them... + return self._parse_distro_release_content(fp.readline()) + except (OSError, IOError): + # Ignore not being able to read a specific, seemingly version + # related file. + # See https://github.com/nir0s/distro/issues/162 + return {} + + @staticmethod + def _parse_distro_release_content(line): + """ + Parse a line from a distro release file. + + Parameters: + * line: Line from the distro release file. Must be a unicode string + or a UTF-8 encoded byte string. + + Returns: + A dictionary containing all information items. + """ + if isinstance(line, bytes): + line = line.decode('utf-8') + matches = _DISTRO_RELEASE_CONTENT_REVERSED_PATTERN.match( + line.strip()[::-1]) + distro_info = {} + if matches: + # regexp ensures non-None + distro_info['name'] = matches.group(3)[::-1] + if matches.group(2): + distro_info['version_id'] = matches.group(2)[::-1] + if matches.group(1): + distro_info['codename'] = matches.group(1)[::-1] + elif line: + distro_info['name'] = line.strip() + return distro_info + + +_distro = LinuxDistribution() + + +def main(): + logger = logging.getLogger(__name__) + logger.setLevel(logging.DEBUG) + logger.addHandler(logging.StreamHandler(sys.stdout)) + + parser = argparse.ArgumentParser(description="OS distro info tool") + parser.add_argument( + '--json', + '-j', + help="Output in machine readable format", + action="store_true") + args = parser.parse_args() + + if args.json: + logger.info(json.dumps(info(), indent=4, sort_keys=True)) + else: + logger.info('Name: %s', name(pretty=True)) + distribution_version = version(pretty=True) + logger.info('Version: %s', distribution_version) + distribution_codename = codename() + logger.info('Codename: %s', distribution_codename) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/__init__.py new file mode 100644 index 0000000..0491234 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/__init__.py @@ -0,0 +1,35 @@ +""" +HTML parsing library based on the `WHATWG HTML specification +<https://whatwg.org/html>`_. The parser is designed to be compatible with +existing HTML found in the wild and implements well-defined error recovery that +is largely compatible with modern desktop web browsers. + +Example usage:: + + from pip._vendor import html5lib + with open("my_document.html", "rb") as f: + tree = html5lib.parse(f) + +For convenience, this module re-exports the following names: + +* :func:`~.html5parser.parse` +* :func:`~.html5parser.parseFragment` +* :class:`~.html5parser.HTMLParser` +* :func:`~.treebuilders.getTreeBuilder` +* :func:`~.treewalkers.getTreeWalker` +* :func:`~.serializer.serialize` +""" + +from __future__ import absolute_import, division, unicode_literals + +from .html5parser import HTMLParser, parse, parseFragment +from .treebuilders import getTreeBuilder +from .treewalkers import getTreeWalker +from .serializer import serialize + +__all__ = ["HTMLParser", "parse", "parseFragment", "getTreeBuilder", + "getTreeWalker", "serialize"] + +# this has to be at the top level, see how setup.py parses this +#: Distribution version number. +__version__ = "1.0.1" diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_ihatexml.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_ihatexml.py new file mode 100644 index 0000000..4c77717 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_ihatexml.py @@ -0,0 +1,288 @@ +from __future__ import absolute_import, division, unicode_literals + +import re +import warnings + +from .constants import DataLossWarning + +baseChar = """ +[#x0041-#x005A] | [#x0061-#x007A] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | +[#x00F8-#x00FF] | [#x0100-#x0131] | [#x0134-#x013E] | [#x0141-#x0148] | +[#x014A-#x017E] | [#x0180-#x01C3] | [#x01CD-#x01F0] | [#x01F4-#x01F5] | +[#x01FA-#x0217] | [#x0250-#x02A8] | [#x02BB-#x02C1] | #x0386 | +[#x0388-#x038A] | #x038C | [#x038E-#x03A1] | [#x03A3-#x03CE] | +[#x03D0-#x03D6] | #x03DA | #x03DC | #x03DE | #x03E0 | [#x03E2-#x03F3] | +[#x0401-#x040C] | [#x040E-#x044F] | [#x0451-#x045C] | [#x045E-#x0481] | +[#x0490-#x04C4] | [#x04C7-#x04C8] | [#x04CB-#x04CC] | [#x04D0-#x04EB] | +[#x04EE-#x04F5] | [#x04F8-#x04F9] | [#x0531-#x0556] | #x0559 | +[#x0561-#x0586] | [#x05D0-#x05EA] | [#x05F0-#x05F2] | [#x0621-#x063A] | +[#x0641-#x064A] | [#x0671-#x06B7] | [#x06BA-#x06BE] | [#x06C0-#x06CE] | +[#x06D0-#x06D3] | #x06D5 | [#x06E5-#x06E6] | [#x0905-#x0939] | #x093D | +[#x0958-#x0961] | [#x0985-#x098C] | [#x098F-#x0990] | [#x0993-#x09A8] | +[#x09AA-#x09B0] | #x09B2 | [#x09B6-#x09B9] | [#x09DC-#x09DD] | +[#x09DF-#x09E1] | [#x09F0-#x09F1] | [#x0A05-#x0A0A] | [#x0A0F-#x0A10] | +[#x0A13-#x0A28] | [#x0A2A-#x0A30] | [#x0A32-#x0A33] | [#x0A35-#x0A36] | +[#x0A38-#x0A39] | [#x0A59-#x0A5C] | #x0A5E | [#x0A72-#x0A74] | +[#x0A85-#x0A8B] | #x0A8D | [#x0A8F-#x0A91] | [#x0A93-#x0AA8] | +[#x0AAA-#x0AB0] | [#x0AB2-#x0AB3] | [#x0AB5-#x0AB9] | #x0ABD | #x0AE0 | +[#x0B05-#x0B0C] | [#x0B0F-#x0B10] | [#x0B13-#x0B28] | [#x0B2A-#x0B30] | +[#x0B32-#x0B33] | [#x0B36-#x0B39] | #x0B3D | [#x0B5C-#x0B5D] | +[#x0B5F-#x0B61] | [#x0B85-#x0B8A] | [#x0B8E-#x0B90] | [#x0B92-#x0B95] | +[#x0B99-#x0B9A] | #x0B9C | [#x0B9E-#x0B9F] | [#x0BA3-#x0BA4] | +[#x0BA8-#x0BAA] | [#x0BAE-#x0BB5] | [#x0BB7-#x0BB9] | [#x0C05-#x0C0C] | +[#x0C0E-#x0C10] | [#x0C12-#x0C28] | [#x0C2A-#x0C33] | [#x0C35-#x0C39] | +[#x0C60-#x0C61] | [#x0C85-#x0C8C] | [#x0C8E-#x0C90] | [#x0C92-#x0CA8] | +[#x0CAA-#x0CB3] | [#x0CB5-#x0CB9] | #x0CDE | [#x0CE0-#x0CE1] | +[#x0D05-#x0D0C] | [#x0D0E-#x0D10] | [#x0D12-#x0D28] | [#x0D2A-#x0D39] | +[#x0D60-#x0D61] | [#x0E01-#x0E2E] | #x0E30 | [#x0E32-#x0E33] | +[#x0E40-#x0E45] | [#x0E81-#x0E82] | #x0E84 | [#x0E87-#x0E88] | #x0E8A | +#x0E8D | [#x0E94-#x0E97] | [#x0E99-#x0E9F] | [#x0EA1-#x0EA3] | #x0EA5 | +#x0EA7 | [#x0EAA-#x0EAB] | [#x0EAD-#x0EAE] | #x0EB0 | [#x0EB2-#x0EB3] | +#x0EBD | [#x0EC0-#x0EC4] | [#x0F40-#x0F47] | [#x0F49-#x0F69] | +[#x10A0-#x10C5] | [#x10D0-#x10F6] | #x1100 | [#x1102-#x1103] | +[#x1105-#x1107] | #x1109 | [#x110B-#x110C] | [#x110E-#x1112] | #x113C | +#x113E | #x1140 | #x114C | #x114E | #x1150 | [#x1154-#x1155] | #x1159 | +[#x115F-#x1161] | #x1163 | #x1165 | #x1167 | #x1169 | [#x116D-#x116E] | +[#x1172-#x1173] | #x1175 | #x119E | #x11A8 | #x11AB | [#x11AE-#x11AF] | +[#x11B7-#x11B8] | #x11BA | [#x11BC-#x11C2] | #x11EB | #x11F0 | #x11F9 | +[#x1E00-#x1E9B] | [#x1EA0-#x1EF9] | [#x1F00-#x1F15] | [#x1F18-#x1F1D] | +[#x1F20-#x1F45] | [#x1F48-#x1F4D] | [#x1F50-#x1F57] | #x1F59 | #x1F5B | +#x1F5D | [#x1F5F-#x1F7D] | [#x1F80-#x1FB4] | [#x1FB6-#x1FBC] | #x1FBE | +[#x1FC2-#x1FC4] | [#x1FC6-#x1FCC] | [#x1FD0-#x1FD3] | [#x1FD6-#x1FDB] | +[#x1FE0-#x1FEC] | [#x1FF2-#x1FF4] | [#x1FF6-#x1FFC] | #x2126 | +[#x212A-#x212B] | #x212E | [#x2180-#x2182] | [#x3041-#x3094] | +[#x30A1-#x30FA] | [#x3105-#x312C] | [#xAC00-#xD7A3]""" + +ideographic = """[#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029]""" + +combiningCharacter = """ +[#x0300-#x0345] | [#x0360-#x0361] | [#x0483-#x0486] | [#x0591-#x05A1] | +[#x05A3-#x05B9] | [#x05BB-#x05BD] | #x05BF | [#x05C1-#x05C2] | #x05C4 | +[#x064B-#x0652] | #x0670 | [#x06D6-#x06DC] | [#x06DD-#x06DF] | +[#x06E0-#x06E4] | [#x06E7-#x06E8] | [#x06EA-#x06ED] | [#x0901-#x0903] | +#x093C | [#x093E-#x094C] | #x094D | [#x0951-#x0954] | [#x0962-#x0963] | +[#x0981-#x0983] | #x09BC | #x09BE | #x09BF | [#x09C0-#x09C4] | +[#x09C7-#x09C8] | [#x09CB-#x09CD] | #x09D7 | [#x09E2-#x09E3] | #x0A02 | +#x0A3C | #x0A3E | #x0A3F | [#x0A40-#x0A42] | [#x0A47-#x0A48] | +[#x0A4B-#x0A4D] | [#x0A70-#x0A71] | [#x0A81-#x0A83] | #x0ABC | +[#x0ABE-#x0AC5] | [#x0AC7-#x0AC9] | [#x0ACB-#x0ACD] | [#x0B01-#x0B03] | +#x0B3C | [#x0B3E-#x0B43] | [#x0B47-#x0B48] | [#x0B4B-#x0B4D] | +[#x0B56-#x0B57] | [#x0B82-#x0B83] | [#x0BBE-#x0BC2] | [#x0BC6-#x0BC8] | +[#x0BCA-#x0BCD] | #x0BD7 | [#x0C01-#x0C03] | [#x0C3E-#x0C44] | +[#x0C46-#x0C48] | [#x0C4A-#x0C4D] | [#x0C55-#x0C56] | [#x0C82-#x0C83] | +[#x0CBE-#x0CC4] | [#x0CC6-#x0CC8] | [#x0CCA-#x0CCD] | [#x0CD5-#x0CD6] | +[#x0D02-#x0D03] | [#x0D3E-#x0D43] | [#x0D46-#x0D48] | [#x0D4A-#x0D4D] | +#x0D57 | #x0E31 | [#x0E34-#x0E3A] | [#x0E47-#x0E4E] | #x0EB1 | +[#x0EB4-#x0EB9] | [#x0EBB-#x0EBC] | [#x0EC8-#x0ECD] | [#x0F18-#x0F19] | +#x0F35 | #x0F37 | #x0F39 | #x0F3E | #x0F3F | [#x0F71-#x0F84] | +[#x0F86-#x0F8B] | [#x0F90-#x0F95] | #x0F97 | [#x0F99-#x0FAD] | +[#x0FB1-#x0FB7] | #x0FB9 | [#x20D0-#x20DC] | #x20E1 | [#x302A-#x302F] | +#x3099 | #x309A""" + +digit = """ +[#x0030-#x0039] | [#x0660-#x0669] | [#x06F0-#x06F9] | [#x0966-#x096F] | +[#x09E6-#x09EF] | [#x0A66-#x0A6F] | [#x0AE6-#x0AEF] | [#x0B66-#x0B6F] | +[#x0BE7-#x0BEF] | [#x0C66-#x0C6F] | [#x0CE6-#x0CEF] | [#x0D66-#x0D6F] | +[#x0E50-#x0E59] | [#x0ED0-#x0ED9] | [#x0F20-#x0F29]""" + +extender = """ +#x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | #x0E46 | #x0EC6 | #x3005 | +#[#x3031-#x3035] | [#x309D-#x309E] | [#x30FC-#x30FE]""" + +letter = " | ".join([baseChar, ideographic]) + +# Without the +name = " | ".join([letter, digit, ".", "-", "_", combiningCharacter, + extender]) +nameFirst = " | ".join([letter, "_"]) + +reChar = re.compile(r"#x([\d|A-F]{4,4})") +reCharRange = re.compile(r"\[#x([\d|A-F]{4,4})-#x([\d|A-F]{4,4})\]") + + +def charStringToList(chars): + charRanges = [item.strip() for item in chars.split(" | ")] + rv = [] + for item in charRanges: + foundMatch = False + for regexp in (reChar, reCharRange): + match = regexp.match(item) + if match is not None: + rv.append([hexToInt(item) for item in match.groups()]) + if len(rv[-1]) == 1: + rv[-1] = rv[-1] * 2 + foundMatch = True + break + if not foundMatch: + assert len(item) == 1 + + rv.append([ord(item)] * 2) + rv = normaliseCharList(rv) + return rv + + +def normaliseCharList(charList): + charList = sorted(charList) + for item in charList: + assert item[1] >= item[0] + rv = [] + i = 0 + while i < len(charList): + j = 1 + rv.append(charList[i]) + while i + j < len(charList) and charList[i + j][0] <= rv[-1][1] + 1: + rv[-1][1] = charList[i + j][1] + j += 1 + i += j + return rv + +# We don't really support characters above the BMP :( +max_unicode = int("FFFF", 16) + + +def missingRanges(charList): + rv = [] + if charList[0] != 0: + rv.append([0, charList[0][0] - 1]) + for i, item in enumerate(charList[:-1]): + rv.append([item[1] + 1, charList[i + 1][0] - 1]) + if charList[-1][1] != max_unicode: + rv.append([charList[-1][1] + 1, max_unicode]) + return rv + + +def listToRegexpStr(charList): + rv = [] + for item in charList: + if item[0] == item[1]: + rv.append(escapeRegexp(chr(item[0]))) + else: + rv.append(escapeRegexp(chr(item[0])) + "-" + + escapeRegexp(chr(item[1]))) + return "[%s]" % "".join(rv) + + +def hexToInt(hex_str): + return int(hex_str, 16) + + +def escapeRegexp(string): + specialCharacters = (".", "^", "$", "*", "+", "?", "{", "}", + "[", "]", "|", "(", ")", "-") + for char in specialCharacters: + string = string.replace(char, "\\" + char) + + return string + +# output from the above +nonXmlNameBMPRegexp = re.compile('[\x00-,/:-@\\[-\\^`\\{-\xb6\xb8-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u02cf\u02d2-\u02ff\u0346-\u035f\u0362-\u0385\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482\u0487-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u0590\u05a2\u05ba\u05be\u05c0\u05c3\u05c5-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u063f\u0653-\u065f\u066a-\u066f\u06b8-\u06b9\u06bf\u06cf\u06d4\u06e9\u06ee-\u06ef\u06fa-\u0900\u0904\u093a-\u093b\u094e-\u0950\u0955-\u0957\u0964-\u0965\u0970-\u0980\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09bb\u09bd\u09c5-\u09c6\u09c9-\u09ca\u09ce-\u09d6\u09d8-\u09db\u09de\u09e4-\u09e5\u09f2-\u0a01\u0a03-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a3b\u0a3d\u0a43-\u0a46\u0a49-\u0a4a\u0a4e-\u0a58\u0a5d\u0a5f-\u0a65\u0a75-\u0a80\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abb\u0ac6\u0aca\u0ace-\u0adf\u0ae1-\u0ae5\u0af0-\u0b00\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3b\u0b44-\u0b46\u0b49-\u0b4a\u0b4e-\u0b55\u0b58-\u0b5b\u0b5e\u0b62-\u0b65\u0b70-\u0b81\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0bbd\u0bc3-\u0bc5\u0bc9\u0bce-\u0bd6\u0bd8-\u0be6\u0bf0-\u0c00\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c3d\u0c45\u0c49\u0c4e-\u0c54\u0c57-\u0c5f\u0c62-\u0c65\u0c70-\u0c81\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cbd\u0cc5\u0cc9\u0cce-\u0cd4\u0cd7-\u0cdd\u0cdf\u0ce2-\u0ce5\u0cf0-\u0d01\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d3d\u0d44-\u0d45\u0d49\u0d4e-\u0d56\u0d58-\u0d5f\u0d62-\u0d65\u0d70-\u0e00\u0e2f\u0e3b-\u0e3f\u0e4f\u0e5a-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eba\u0ebe-\u0ebf\u0ec5\u0ec7\u0ece-\u0ecf\u0eda-\u0f17\u0f1a-\u0f1f\u0f2a-\u0f34\u0f36\u0f38\u0f3a-\u0f3d\u0f48\u0f6a-\u0f70\u0f85\u0f8c-\u0f8f\u0f96\u0f98\u0fae-\u0fb0\u0fb8\u0fba-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u20cf\u20dd-\u20e0\u20e2-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3004\u3006\u3008-\u3020\u3030\u3036-\u3040\u3095-\u3098\u309b-\u309c\u309f-\u30a0\u30fb\u30ff-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa + +nonXmlNameFirstBMPRegexp = re.compile('[\x00-@\\[-\\^`\\{-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u0385\u0387\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u0640\u064b-\u0670\u06b8-\u06b9\u06bf\u06cf\u06d4\u06d6-\u06e4\u06e7-\u0904\u093a-\u093c\u093e-\u0957\u0962-\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09db\u09de\u09e2-\u09ef\u09f2-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a58\u0a5d\u0a5f-\u0a71\u0a75-\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abc\u0abe-\u0adf\u0ae1-\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3c\u0b3e-\u0b5b\u0b5e\u0b62-\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c5f\u0c62-\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cdd\u0cdf\u0ce2-\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d5f\u0d62-\u0e00\u0e2f\u0e31\u0e34-\u0e3f\u0e46-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eb1\u0eb4-\u0ebc\u0ebe-\u0ebf\u0ec5-\u0f3f\u0f48\u0f6a-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3006\u3008-\u3020\u302a-\u3040\u3095-\u30a0\u30fb-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa + +# Simpler things +nonPubidCharRegexp = re.compile("[^\x20\x0D\x0Aa-zA-Z0-9\\-'()+,./:=?;!*#@$_%]") + + +class InfosetFilter(object): + replacementRegexp = re.compile(r"U[\dA-F]{5,5}") + + def __init__(self, + dropXmlnsLocalName=False, + dropXmlnsAttrNs=False, + preventDoubleDashComments=False, + preventDashAtCommentEnd=False, + replaceFormFeedCharacters=True, + preventSingleQuotePubid=False): + + self.dropXmlnsLocalName = dropXmlnsLocalName + self.dropXmlnsAttrNs = dropXmlnsAttrNs + + self.preventDoubleDashComments = preventDoubleDashComments + self.preventDashAtCommentEnd = preventDashAtCommentEnd + + self.replaceFormFeedCharacters = replaceFormFeedCharacters + + self.preventSingleQuotePubid = preventSingleQuotePubid + + self.replaceCache = {} + + def coerceAttribute(self, name, namespace=None): + if self.dropXmlnsLocalName and name.startswith("xmlns:"): + warnings.warn("Attributes cannot begin with xmlns", DataLossWarning) + return None + elif (self.dropXmlnsAttrNs and + namespace == "http://www.w3.org/2000/xmlns/"): + warnings.warn("Attributes cannot be in the xml namespace", DataLossWarning) + return None + else: + return self.toXmlName(name) + + def coerceElement(self, name): + return self.toXmlName(name) + + def coerceComment(self, data): + if self.preventDoubleDashComments: + while "--" in data: + warnings.warn("Comments cannot contain adjacent dashes", DataLossWarning) + data = data.replace("--", "- -") + if data.endswith("-"): + warnings.warn("Comments cannot end in a dash", DataLossWarning) + data += " " + return data + + def coerceCharacters(self, data): + if self.replaceFormFeedCharacters: + for _ in range(data.count("\x0C")): + warnings.warn("Text cannot contain U+000C", DataLossWarning) + data = data.replace("\x0C", " ") + # Other non-xml characters + return data + + def coercePubid(self, data): + dataOutput = data + for char in nonPubidCharRegexp.findall(data): + warnings.warn("Coercing non-XML pubid", DataLossWarning) + replacement = self.getReplacementCharacter(char) + dataOutput = dataOutput.replace(char, replacement) + if self.preventSingleQuotePubid and dataOutput.find("'") >= 0: + warnings.warn("Pubid cannot contain single quote", DataLossWarning) + dataOutput = dataOutput.replace("'", self.getReplacementCharacter("'")) + return dataOutput + + def toXmlName(self, name): + nameFirst = name[0] + nameRest = name[1:] + m = nonXmlNameFirstBMPRegexp.match(nameFirst) + if m: + warnings.warn("Coercing non-XML name", DataLossWarning) + nameFirstOutput = self.getReplacementCharacter(nameFirst) + else: + nameFirstOutput = nameFirst + + nameRestOutput = nameRest + replaceChars = set(nonXmlNameBMPRegexp.findall(nameRest)) + for char in replaceChars: + warnings.warn("Coercing non-XML name", DataLossWarning) + replacement = self.getReplacementCharacter(char) + nameRestOutput = nameRestOutput.replace(char, replacement) + return nameFirstOutput + nameRestOutput + + def getReplacementCharacter(self, char): + if char in self.replaceCache: + replacement = self.replaceCache[char] + else: + replacement = self.escapeChar(char) + return replacement + + def fromXmlName(self, name): + for item in set(self.replacementRegexp.findall(name)): + name = name.replace(item, self.unescapeChar(item)) + return name + + def escapeChar(self, char): + replacement = "U%05X" % ord(char) + self.replaceCache[char] = replacement + return replacement + + def unescapeChar(self, charcode): + return chr(int(charcode[1:], 16)) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_inputstream.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_inputstream.py new file mode 100644 index 0000000..a65e55f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_inputstream.py @@ -0,0 +1,923 @@ +from __future__ import absolute_import, division, unicode_literals + +from pip._vendor.six import text_type, binary_type +from pip._vendor.six.moves import http_client, urllib + +import codecs +import re + +from pip._vendor import webencodings + +from .constants import EOF, spaceCharacters, asciiLetters, asciiUppercase +from .constants import _ReparseException +from . import _utils + +from io import StringIO + +try: + from io import BytesIO +except ImportError: + BytesIO = StringIO + +# Non-unicode versions of constants for use in the pre-parser +spaceCharactersBytes = frozenset([item.encode("ascii") for item in spaceCharacters]) +asciiLettersBytes = frozenset([item.encode("ascii") for item in asciiLetters]) +asciiUppercaseBytes = frozenset([item.encode("ascii") for item in asciiUppercase]) +spacesAngleBrackets = spaceCharactersBytes | frozenset([b">", b"<"]) + + +invalid_unicode_no_surrogate = "[\u0001-\u0008\u000B\u000E-\u001F\u007F-\u009F\uFDD0-\uFDEF\uFFFE\uFFFF\U0001FFFE\U0001FFFF\U0002FFFE\U0002FFFF\U0003FFFE\U0003FFFF\U0004FFFE\U0004FFFF\U0005FFFE\U0005FFFF\U0006FFFE\U0006FFFF\U0007FFFE\U0007FFFF\U0008FFFE\U0008FFFF\U0009FFFE\U0009FFFF\U000AFFFE\U000AFFFF\U000BFFFE\U000BFFFF\U000CFFFE\U000CFFFF\U000DFFFE\U000DFFFF\U000EFFFE\U000EFFFF\U000FFFFE\U000FFFFF\U0010FFFE\U0010FFFF]" # noqa + +if _utils.supports_lone_surrogates: + # Use one extra step of indirection and create surrogates with + # eval. Not using this indirection would introduce an illegal + # unicode literal on platforms not supporting such lone + # surrogates. + assert invalid_unicode_no_surrogate[-1] == "]" and invalid_unicode_no_surrogate.count("]") == 1 + invalid_unicode_re = re.compile(invalid_unicode_no_surrogate[:-1] + + eval('"\\uD800-\\uDFFF"') + # pylint:disable=eval-used + "]") +else: + invalid_unicode_re = re.compile(invalid_unicode_no_surrogate) + +non_bmp_invalid_codepoints = set([0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, + 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF, + 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, + 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, + 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, + 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, + 0x10FFFE, 0x10FFFF]) + +ascii_punctuation_re = re.compile("[\u0009-\u000D\u0020-\u002F\u003A-\u0040\u005C\u005B-\u0060\u007B-\u007E]") + +# Cache for charsUntil() +charsUntilRegEx = {} + + +class BufferedStream(object): + """Buffering for streams that do not have buffering of their own + + The buffer is implemented as a list of chunks on the assumption that + joining many strings will be slow since it is O(n**2) + """ + + def __init__(self, stream): + self.stream = stream + self.buffer = [] + self.position = [-1, 0] # chunk number, offset + + def tell(self): + pos = 0 + for chunk in self.buffer[:self.position[0]]: + pos += len(chunk) + pos += self.position[1] + return pos + + def seek(self, pos): + assert pos <= self._bufferedBytes() + offset = pos + i = 0 + while len(self.buffer[i]) < offset: + offset -= len(self.buffer[i]) + i += 1 + self.position = [i, offset] + + def read(self, bytes): + if not self.buffer: + return self._readStream(bytes) + elif (self.position[0] == len(self.buffer) and + self.position[1] == len(self.buffer[-1])): + return self._readStream(bytes) + else: + return self._readFromBuffer(bytes) + + def _bufferedBytes(self): + return sum([len(item) for item in self.buffer]) + + def _readStream(self, bytes): + data = self.stream.read(bytes) + self.buffer.append(data) + self.position[0] += 1 + self.position[1] = len(data) + return data + + def _readFromBuffer(self, bytes): + remainingBytes = bytes + rv = [] + bufferIndex = self.position[0] + bufferOffset = self.position[1] + while bufferIndex < len(self.buffer) and remainingBytes != 0: + assert remainingBytes > 0 + bufferedData = self.buffer[bufferIndex] + + if remainingBytes <= len(bufferedData) - bufferOffset: + bytesToRead = remainingBytes + self.position = [bufferIndex, bufferOffset + bytesToRead] + else: + bytesToRead = len(bufferedData) - bufferOffset + self.position = [bufferIndex, len(bufferedData)] + bufferIndex += 1 + rv.append(bufferedData[bufferOffset:bufferOffset + bytesToRead]) + remainingBytes -= bytesToRead + + bufferOffset = 0 + + if remainingBytes: + rv.append(self._readStream(remainingBytes)) + + return b"".join(rv) + + +def HTMLInputStream(source, **kwargs): + # Work around Python bug #20007: read(0) closes the connection. + # http://bugs.python.org/issue20007 + if (isinstance(source, http_client.HTTPResponse) or + # Also check for addinfourl wrapping HTTPResponse + (isinstance(source, urllib.response.addbase) and + isinstance(source.fp, http_client.HTTPResponse))): + isUnicode = False + elif hasattr(source, "read"): + isUnicode = isinstance(source.read(0), text_type) + else: + isUnicode = isinstance(source, text_type) + + if isUnicode: + encodings = [x for x in kwargs if x.endswith("_encoding")] + if encodings: + raise TypeError("Cannot set an encoding with a unicode input, set %r" % encodings) + + return HTMLUnicodeInputStream(source, **kwargs) + else: + return HTMLBinaryInputStream(source, **kwargs) + + +class HTMLUnicodeInputStream(object): + """Provides a unicode stream of characters to the HTMLTokenizer. + + This class takes care of character encoding and removing or replacing + incorrect byte-sequences and also provides column and line tracking. + + """ + + _defaultChunkSize = 10240 + + def __init__(self, source): + """Initialises the HTMLInputStream. + + HTMLInputStream(source, [encoding]) -> Normalized stream from source + for use by html5lib. + + source can be either a file-object, local filename or a string. + + The optional encoding parameter must be a string that indicates + the encoding. If specified, that encoding will be used, + regardless of any BOM or later declaration (such as in a meta + element) + + """ + + if not _utils.supports_lone_surrogates: + # Such platforms will have already checked for such + # surrogate errors, so no need to do this checking. + self.reportCharacterErrors = None + elif len("\U0010FFFF") == 1: + self.reportCharacterErrors = self.characterErrorsUCS4 + else: + self.reportCharacterErrors = self.characterErrorsUCS2 + + # List of where new lines occur + self.newLines = [0] + + self.charEncoding = (lookupEncoding("utf-8"), "certain") + self.dataStream = self.openStream(source) + + self.reset() + + def reset(self): + self.chunk = "" + self.chunkSize = 0 + self.chunkOffset = 0 + self.errors = [] + + # number of (complete) lines in previous chunks + self.prevNumLines = 0 + # number of columns in the last line of the previous chunk + self.prevNumCols = 0 + + # Deal with CR LF and surrogates split over chunk boundaries + self._bufferedCharacter = None + + def openStream(self, source): + """Produces a file object from source. + + source can be either a file object, local filename or a string. + + """ + # Already a file object + if hasattr(source, 'read'): + stream = source + else: + stream = StringIO(source) + + return stream + + def _position(self, offset): + chunk = self.chunk + nLines = chunk.count('\n', 0, offset) + positionLine = self.prevNumLines + nLines + lastLinePos = chunk.rfind('\n', 0, offset) + if lastLinePos == -1: + positionColumn = self.prevNumCols + offset + else: + positionColumn = offset - (lastLinePos + 1) + return (positionLine, positionColumn) + + def position(self): + """Returns (line, col) of the current position in the stream.""" + line, col = self._position(self.chunkOffset) + return (line + 1, col) + + def char(self): + """ Read one character from the stream or queue if available. Return + EOF when EOF is reached. + """ + # Read a new chunk from the input stream if necessary + if self.chunkOffset >= self.chunkSize: + if not self.readChunk(): + return EOF + + chunkOffset = self.chunkOffset + char = self.chunk[chunkOffset] + self.chunkOffset = chunkOffset + 1 + + return char + + def readChunk(self, chunkSize=None): + if chunkSize is None: + chunkSize = self._defaultChunkSize + + self.prevNumLines, self.prevNumCols = self._position(self.chunkSize) + + self.chunk = "" + self.chunkSize = 0 + self.chunkOffset = 0 + + data = self.dataStream.read(chunkSize) + + # Deal with CR LF and surrogates broken across chunks + if self._bufferedCharacter: + data = self._bufferedCharacter + data + self._bufferedCharacter = None + elif not data: + # We have no more data, bye-bye stream + return False + + if len(data) > 1: + lastv = ord(data[-1]) + if lastv == 0x0D or 0xD800 <= lastv <= 0xDBFF: + self._bufferedCharacter = data[-1] + data = data[:-1] + + if self.reportCharacterErrors: + self.reportCharacterErrors(data) + + # Replace invalid characters + data = data.replace("\r\n", "\n") + data = data.replace("\r", "\n") + + self.chunk = data + self.chunkSize = len(data) + + return True + + def characterErrorsUCS4(self, data): + for _ in range(len(invalid_unicode_re.findall(data))): + self.errors.append("invalid-codepoint") + + def characterErrorsUCS2(self, data): + # Someone picked the wrong compile option + # You lose + skip = False + for match in invalid_unicode_re.finditer(data): + if skip: + continue + codepoint = ord(match.group()) + pos = match.start() + # Pretty sure there should be endianness issues here + if _utils.isSurrogatePair(data[pos:pos + 2]): + # We have a surrogate pair! + char_val = _utils.surrogatePairToCodepoint(data[pos:pos + 2]) + if char_val in non_bmp_invalid_codepoints: + self.errors.append("invalid-codepoint") + skip = True + elif (codepoint >= 0xD800 and codepoint <= 0xDFFF and + pos == len(data) - 1): + self.errors.append("invalid-codepoint") + else: + skip = False + self.errors.append("invalid-codepoint") + + def charsUntil(self, characters, opposite=False): + """ Returns a string of characters from the stream up to but not + including any character in 'characters' or EOF. 'characters' must be + a container that supports the 'in' method and iteration over its + characters. + """ + + # Use a cache of regexps to find the required characters + try: + chars = charsUntilRegEx[(characters, opposite)] + except KeyError: + if __debug__: + for c in characters: + assert(ord(c) < 128) + regex = "".join(["\\x%02x" % ord(c) for c in characters]) + if not opposite: + regex = "^%s" % regex + chars = charsUntilRegEx[(characters, opposite)] = re.compile("[%s]+" % regex) + + rv = [] + + while True: + # Find the longest matching prefix + m = chars.match(self.chunk, self.chunkOffset) + if m is None: + # If nothing matched, and it wasn't because we ran out of chunk, + # then stop + if self.chunkOffset != self.chunkSize: + break + else: + end = m.end() + # If not the whole chunk matched, return everything + # up to the part that didn't match + if end != self.chunkSize: + rv.append(self.chunk[self.chunkOffset:end]) + self.chunkOffset = end + break + # If the whole remainder of the chunk matched, + # use it all and read the next chunk + rv.append(self.chunk[self.chunkOffset:]) + if not self.readChunk(): + # Reached EOF + break + + r = "".join(rv) + return r + + def unget(self, char): + # Only one character is allowed to be ungotten at once - it must + # be consumed again before any further call to unget + if char is not None: + if self.chunkOffset == 0: + # unget is called quite rarely, so it's a good idea to do + # more work here if it saves a bit of work in the frequently + # called char and charsUntil. + # So, just prepend the ungotten character onto the current + # chunk: + self.chunk = char + self.chunk + self.chunkSize += 1 + else: + self.chunkOffset -= 1 + assert self.chunk[self.chunkOffset] == char + + +class HTMLBinaryInputStream(HTMLUnicodeInputStream): + """Provides a unicode stream of characters to the HTMLTokenizer. + + This class takes care of character encoding and removing or replacing + incorrect byte-sequences and also provides column and line tracking. + + """ + + def __init__(self, source, override_encoding=None, transport_encoding=None, + same_origin_parent_encoding=None, likely_encoding=None, + default_encoding="windows-1252", useChardet=True): + """Initialises the HTMLInputStream. + + HTMLInputStream(source, [encoding]) -> Normalized stream from source + for use by html5lib. + + source can be either a file-object, local filename or a string. + + The optional encoding parameter must be a string that indicates + the encoding. If specified, that encoding will be used, + regardless of any BOM or later declaration (such as in a meta + element) + + """ + # Raw Stream - for unicode objects this will encode to utf-8 and set + # self.charEncoding as appropriate + self.rawStream = self.openStream(source) + + HTMLUnicodeInputStream.__init__(self, self.rawStream) + + # Encoding Information + # Number of bytes to use when looking for a meta element with + # encoding information + self.numBytesMeta = 1024 + # Number of bytes to use when using detecting encoding using chardet + self.numBytesChardet = 100 + # Things from args + self.override_encoding = override_encoding + self.transport_encoding = transport_encoding + self.same_origin_parent_encoding = same_origin_parent_encoding + self.likely_encoding = likely_encoding + self.default_encoding = default_encoding + + # Determine encoding + self.charEncoding = self.determineEncoding(useChardet) + assert self.charEncoding[0] is not None + + # Call superclass + self.reset() + + def reset(self): + self.dataStream = self.charEncoding[0].codec_info.streamreader(self.rawStream, 'replace') + HTMLUnicodeInputStream.reset(self) + + def openStream(self, source): + """Produces a file object from source. + + source can be either a file object, local filename or a string. + + """ + # Already a file object + if hasattr(source, 'read'): + stream = source + else: + stream = BytesIO(source) + + try: + stream.seek(stream.tell()) + except: # pylint:disable=bare-except + stream = BufferedStream(stream) + + return stream + + def determineEncoding(self, chardet=True): + # BOMs take precedence over everything + # This will also read past the BOM if present + charEncoding = self.detectBOM(), "certain" + if charEncoding[0] is not None: + return charEncoding + + # If we've been overriden, we've been overriden + charEncoding = lookupEncoding(self.override_encoding), "certain" + if charEncoding[0] is not None: + return charEncoding + + # Now check the transport layer + charEncoding = lookupEncoding(self.transport_encoding), "certain" + if charEncoding[0] is not None: + return charEncoding + + # Look for meta elements with encoding information + charEncoding = self.detectEncodingMeta(), "tentative" + if charEncoding[0] is not None: + return charEncoding + + # Parent document encoding + charEncoding = lookupEncoding(self.same_origin_parent_encoding), "tentative" + if charEncoding[0] is not None and not charEncoding[0].name.startswith("utf-16"): + return charEncoding + + # "likely" encoding + charEncoding = lookupEncoding(self.likely_encoding), "tentative" + if charEncoding[0] is not None: + return charEncoding + + # Guess with chardet, if available + if chardet: + try: + from pip._vendor.chardet.universaldetector import UniversalDetector + except ImportError: + pass + else: + buffers = [] + detector = UniversalDetector() + while not detector.done: + buffer = self.rawStream.read(self.numBytesChardet) + assert isinstance(buffer, bytes) + if not buffer: + break + buffers.append(buffer) + detector.feed(buffer) + detector.close() + encoding = lookupEncoding(detector.result['encoding']) + self.rawStream.seek(0) + if encoding is not None: + return encoding, "tentative" + + # Try the default encoding + charEncoding = lookupEncoding(self.default_encoding), "tentative" + if charEncoding[0] is not None: + return charEncoding + + # Fallback to html5lib's default if even that hasn't worked + return lookupEncoding("windows-1252"), "tentative" + + def changeEncoding(self, newEncoding): + assert self.charEncoding[1] != "certain" + newEncoding = lookupEncoding(newEncoding) + if newEncoding is None: + return + if newEncoding.name in ("utf-16be", "utf-16le"): + newEncoding = lookupEncoding("utf-8") + assert newEncoding is not None + elif newEncoding == self.charEncoding[0]: + self.charEncoding = (self.charEncoding[0], "certain") + else: + self.rawStream.seek(0) + self.charEncoding = (newEncoding, "certain") + self.reset() + raise _ReparseException("Encoding changed from %s to %s" % (self.charEncoding[0], newEncoding)) + + def detectBOM(self): + """Attempts to detect at BOM at the start of the stream. If + an encoding can be determined from the BOM return the name of the + encoding otherwise return None""" + bomDict = { + codecs.BOM_UTF8: 'utf-8', + codecs.BOM_UTF16_LE: 'utf-16le', codecs.BOM_UTF16_BE: 'utf-16be', + codecs.BOM_UTF32_LE: 'utf-32le', codecs.BOM_UTF32_BE: 'utf-32be' + } + + # Go to beginning of file and read in 4 bytes + string = self.rawStream.read(4) + assert isinstance(string, bytes) + + # Try detecting the BOM using bytes from the string + encoding = bomDict.get(string[:3]) # UTF-8 + seek = 3 + if not encoding: + # Need to detect UTF-32 before UTF-16 + encoding = bomDict.get(string) # UTF-32 + seek = 4 + if not encoding: + encoding = bomDict.get(string[:2]) # UTF-16 + seek = 2 + + # Set the read position past the BOM if one was found, otherwise + # set it to the start of the stream + if encoding: + self.rawStream.seek(seek) + return lookupEncoding(encoding) + else: + self.rawStream.seek(0) + return None + + def detectEncodingMeta(self): + """Report the encoding declared by the meta element + """ + buffer = self.rawStream.read(self.numBytesMeta) + assert isinstance(buffer, bytes) + parser = EncodingParser(buffer) + self.rawStream.seek(0) + encoding = parser.getEncoding() + + if encoding is not None and encoding.name in ("utf-16be", "utf-16le"): + encoding = lookupEncoding("utf-8") + + return encoding + + +class EncodingBytes(bytes): + """String-like object with an associated position and various extra methods + If the position is ever greater than the string length then an exception is + raised""" + def __new__(self, value): + assert isinstance(value, bytes) + return bytes.__new__(self, value.lower()) + + def __init__(self, value): + # pylint:disable=unused-argument + self._position = -1 + + def __iter__(self): + return self + + def __next__(self): + p = self._position = self._position + 1 + if p >= len(self): + raise StopIteration + elif p < 0: + raise TypeError + return self[p:p + 1] + + def next(self): + # Py2 compat + return self.__next__() + + def previous(self): + p = self._position + if p >= len(self): + raise StopIteration + elif p < 0: + raise TypeError + self._position = p = p - 1 + return self[p:p + 1] + + def setPosition(self, position): + if self._position >= len(self): + raise StopIteration + self._position = position + + def getPosition(self): + if self._position >= len(self): + raise StopIteration + if self._position >= 0: + return self._position + else: + return None + + position = property(getPosition, setPosition) + + def getCurrentByte(self): + return self[self.position:self.position + 1] + + currentByte = property(getCurrentByte) + + def skip(self, chars=spaceCharactersBytes): + """Skip past a list of characters""" + p = self.position # use property for the error-checking + while p < len(self): + c = self[p:p + 1] + if c not in chars: + self._position = p + return c + p += 1 + self._position = p + return None + + def skipUntil(self, chars): + p = self.position + while p < len(self): + c = self[p:p + 1] + if c in chars: + self._position = p + return c + p += 1 + self._position = p + return None + + def matchBytes(self, bytes): + """Look for a sequence of bytes at the start of a string. If the bytes + are found return True and advance the position to the byte after the + match. Otherwise return False and leave the position alone""" + p = self.position + data = self[p:p + len(bytes)] + rv = data.startswith(bytes) + if rv: + self.position += len(bytes) + return rv + + def jumpTo(self, bytes): + """Look for the next sequence of bytes matching a given sequence. If + a match is found advance the position to the last byte of the match""" + newPosition = self[self.position:].find(bytes) + if newPosition > -1: + # XXX: This is ugly, but I can't see a nicer way to fix this. + if self._position == -1: + self._position = 0 + self._position += (newPosition + len(bytes) - 1) + return True + else: + raise StopIteration + + +class EncodingParser(object): + """Mini parser for detecting character encoding from meta elements""" + + def __init__(self, data): + """string - the data to work on for encoding detection""" + self.data = EncodingBytes(data) + self.encoding = None + + def getEncoding(self): + methodDispatch = ( + (b"<!--", self.handleComment), + (b"<meta", self.handleMeta), + (b"</", self.handlePossibleEndTag), + (b"<!", self.handleOther), + (b"<?", self.handleOther), + (b"<", self.handlePossibleStartTag)) + for _ in self.data: + keepParsing = True + for key, method in methodDispatch: + if self.data.matchBytes(key): + try: + keepParsing = method() + break + except StopIteration: + keepParsing = False + break + if not keepParsing: + break + + return self.encoding + + def handleComment(self): + """Skip over comments""" + return self.data.jumpTo(b"-->") + + def handleMeta(self): + if self.data.currentByte not in spaceCharactersBytes: + # if we have <meta not followed by a space so just keep going + return True + # We have a valid meta element we want to search for attributes + hasPragma = False + pendingEncoding = None + while True: + # Try to find the next attribute after the current position + attr = self.getAttribute() + if attr is None: + return True + else: + if attr[0] == b"http-equiv": + hasPragma = attr[1] == b"content-type" + if hasPragma and pendingEncoding is not None: + self.encoding = pendingEncoding + return False + elif attr[0] == b"charset": + tentativeEncoding = attr[1] + codec = lookupEncoding(tentativeEncoding) + if codec is not None: + self.encoding = codec + return False + elif attr[0] == b"content": + contentParser = ContentAttrParser(EncodingBytes(attr[1])) + tentativeEncoding = contentParser.parse() + if tentativeEncoding is not None: + codec = lookupEncoding(tentativeEncoding) + if codec is not None: + if hasPragma: + self.encoding = codec + return False + else: + pendingEncoding = codec + + def handlePossibleStartTag(self): + return self.handlePossibleTag(False) + + def handlePossibleEndTag(self): + next(self.data) + return self.handlePossibleTag(True) + + def handlePossibleTag(self, endTag): + data = self.data + if data.currentByte not in asciiLettersBytes: + # If the next byte is not an ascii letter either ignore this + # fragment (possible start tag case) or treat it according to + # handleOther + if endTag: + data.previous() + self.handleOther() + return True + + c = data.skipUntil(spacesAngleBrackets) + if c == b"<": + # return to the first step in the overall "two step" algorithm + # reprocessing the < byte + data.previous() + else: + # Read all attributes + attr = self.getAttribute() + while attr is not None: + attr = self.getAttribute() + return True + + def handleOther(self): + return self.data.jumpTo(b">") + + def getAttribute(self): + """Return a name,value pair for the next attribute in the stream, + if one is found, or None""" + data = self.data + # Step 1 (skip chars) + c = data.skip(spaceCharactersBytes | frozenset([b"/"])) + assert c is None or len(c) == 1 + # Step 2 + if c in (b">", None): + return None + # Step 3 + attrName = [] + attrValue = [] + # Step 4 attribute name + while True: + if c == b"=" and attrName: + break + elif c in spaceCharactersBytes: + # Step 6! + c = data.skip() + break + elif c in (b"/", b">"): + return b"".join(attrName), b"" + elif c in asciiUppercaseBytes: + attrName.append(c.lower()) + elif c is None: + return None + else: + attrName.append(c) + # Step 5 + c = next(data) + # Step 7 + if c != b"=": + data.previous() + return b"".join(attrName), b"" + # Step 8 + next(data) + # Step 9 + c = data.skip() + # Step 10 + if c in (b"'", b'"'): + # 10.1 + quoteChar = c + while True: + # 10.2 + c = next(data) + # 10.3 + if c == quoteChar: + next(data) + return b"".join(attrName), b"".join(attrValue) + # 10.4 + elif c in asciiUppercaseBytes: + attrValue.append(c.lower()) + # 10.5 + else: + attrValue.append(c) + elif c == b">": + return b"".join(attrName), b"" + elif c in asciiUppercaseBytes: + attrValue.append(c.lower()) + elif c is None: + return None + else: + attrValue.append(c) + # Step 11 + while True: + c = next(data) + if c in spacesAngleBrackets: + return b"".join(attrName), b"".join(attrValue) + elif c in asciiUppercaseBytes: + attrValue.append(c.lower()) + elif c is None: + return None + else: + attrValue.append(c) + + +class ContentAttrParser(object): + def __init__(self, data): + assert isinstance(data, bytes) + self.data = data + + def parse(self): + try: + # Check if the attr name is charset + # otherwise return + self.data.jumpTo(b"charset") + self.data.position += 1 + self.data.skip() + if not self.data.currentByte == b"=": + # If there is no = sign keep looking for attrs + return None + self.data.position += 1 + self.data.skip() + # Look for an encoding between matching quote marks + if self.data.currentByte in (b'"', b"'"): + quoteMark = self.data.currentByte + self.data.position += 1 + oldPosition = self.data.position + if self.data.jumpTo(quoteMark): + return self.data[oldPosition:self.data.position] + else: + return None + else: + # Unquoted value + oldPosition = self.data.position + try: + self.data.skipUntil(spaceCharactersBytes) + return self.data[oldPosition:self.data.position] + except StopIteration: + # Return the whole remaining value + return self.data[oldPosition:] + except StopIteration: + return None + + +def lookupEncoding(encoding): + """Return the python codec name corresponding to an encoding or None if the + string doesn't correspond to a valid encoding.""" + if isinstance(encoding, binary_type): + try: + encoding = encoding.decode("ascii") + except UnicodeDecodeError: + return None + + if encoding is not None: + try: + return webencodings.lookup(encoding) + except AttributeError: + return None + else: + return None diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_tokenizer.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_tokenizer.py new file mode 100644 index 0000000..178f6e7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_tokenizer.py @@ -0,0 +1,1721 @@ +from __future__ import absolute_import, division, unicode_literals + +from pip._vendor.six import unichr as chr + +from collections import deque + +from .constants import spaceCharacters +from .constants import entities +from .constants import asciiLetters, asciiUpper2Lower +from .constants import digits, hexDigits, EOF +from .constants import tokenTypes, tagTokenTypes +from .constants import replacementCharacters + +from ._inputstream import HTMLInputStream + +from ._trie import Trie + +entitiesTrie = Trie(entities) + + +class HTMLTokenizer(object): + """ This class takes care of tokenizing HTML. + + * self.currentToken + Holds the token that is currently being processed. + + * self.state + Holds a reference to the method to be invoked... XXX + + * self.stream + Points to HTMLInputStream object. + """ + + def __init__(self, stream, parser=None, **kwargs): + + self.stream = HTMLInputStream(stream, **kwargs) + self.parser = parser + + # Setup the initial tokenizer state + self.escapeFlag = False + self.lastFourChars = [] + self.state = self.dataState + self.escape = False + + # The current token being created + self.currentToken = None + super(HTMLTokenizer, self).__init__() + + def __iter__(self): + """ This is where the magic happens. + + We do our usually processing through the states and when we have a token + to return we yield the token which pauses processing until the next token + is requested. + """ + self.tokenQueue = deque([]) + # Start processing. When EOF is reached self.state will return False + # instead of True and the loop will terminate. + while self.state(): + while self.stream.errors: + yield {"type": tokenTypes["ParseError"], "data": self.stream.errors.pop(0)} + while self.tokenQueue: + yield self.tokenQueue.popleft() + + def consumeNumberEntity(self, isHex): + """This function returns either U+FFFD or the character based on the + decimal or hexadecimal representation. It also discards ";" if present. + If not present self.tokenQueue.append({"type": tokenTypes["ParseError"]}) is invoked. + """ + + allowed = digits + radix = 10 + if isHex: + allowed = hexDigits + radix = 16 + + charStack = [] + + # Consume all the characters that are in range while making sure we + # don't hit an EOF. + c = self.stream.char() + while c in allowed and c is not EOF: + charStack.append(c) + c = self.stream.char() + + # Convert the set of characters consumed to an int. + charAsInt = int("".join(charStack), radix) + + # Certain characters get replaced with others + if charAsInt in replacementCharacters: + char = replacementCharacters[charAsInt] + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "illegal-codepoint-for-numeric-entity", + "datavars": {"charAsInt": charAsInt}}) + elif ((0xD800 <= charAsInt <= 0xDFFF) or + (charAsInt > 0x10FFFF)): + char = "\uFFFD" + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "illegal-codepoint-for-numeric-entity", + "datavars": {"charAsInt": charAsInt}}) + else: + # Should speed up this check somehow (e.g. move the set to a constant) + if ((0x0001 <= charAsInt <= 0x0008) or + (0x000E <= charAsInt <= 0x001F) or + (0x007F <= charAsInt <= 0x009F) or + (0xFDD0 <= charAsInt <= 0xFDEF) or + charAsInt in frozenset([0x000B, 0xFFFE, 0xFFFF, 0x1FFFE, + 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, + 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, + 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, + 0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE, + 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, + 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, + 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, + 0xFFFFF, 0x10FFFE, 0x10FFFF])): + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": + "illegal-codepoint-for-numeric-entity", + "datavars": {"charAsInt": charAsInt}}) + try: + # Try/except needed as UCS-2 Python builds' unichar only works + # within the BMP. + char = chr(charAsInt) + except ValueError: + v = charAsInt - 0x10000 + char = chr(0xD800 | (v >> 10)) + chr(0xDC00 | (v & 0x3FF)) + + # Discard the ; if present. Otherwise, put it back on the queue and + # invoke parseError on parser. + if c != ";": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "numeric-entity-without-semicolon"}) + self.stream.unget(c) + + return char + + def consumeEntity(self, allowedChar=None, fromAttribute=False): + # Initialise to the default output for when no entity is matched + output = "&" + + charStack = [self.stream.char()] + if (charStack[0] in spaceCharacters or charStack[0] in (EOF, "<", "&") or + (allowedChar is not None and allowedChar == charStack[0])): + self.stream.unget(charStack[0]) + + elif charStack[0] == "#": + # Read the next character to see if it's hex or decimal + hex = False + charStack.append(self.stream.char()) + if charStack[-1] in ("x", "X"): + hex = True + charStack.append(self.stream.char()) + + # charStack[-1] should be the first digit + if (hex and charStack[-1] in hexDigits) \ + or (not hex and charStack[-1] in digits): + # At least one digit found, so consume the whole number + self.stream.unget(charStack[-1]) + output = self.consumeNumberEntity(hex) + else: + # No digits found + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "expected-numeric-entity"}) + self.stream.unget(charStack.pop()) + output = "&" + "".join(charStack) + + else: + # At this point in the process might have named entity. Entities + # are stored in the global variable "entities". + # + # Consume characters and compare to these to a substring of the + # entity names in the list until the substring no longer matches. + while (charStack[-1] is not EOF): + if not entitiesTrie.has_keys_with_prefix("".join(charStack)): + break + charStack.append(self.stream.char()) + + # At this point we have a string that starts with some characters + # that may match an entity + # Try to find the longest entity the string will match to take care + # of ¬i for instance. + try: + entityName = entitiesTrie.longest_prefix("".join(charStack[:-1])) + entityLength = len(entityName) + except KeyError: + entityName = None + + if entityName is not None: + if entityName[-1] != ";": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "named-entity-without-semicolon"}) + if (entityName[-1] != ";" and fromAttribute and + (charStack[entityLength] in asciiLetters or + charStack[entityLength] in digits or + charStack[entityLength] == "=")): + self.stream.unget(charStack.pop()) + output = "&" + "".join(charStack) + else: + output = entities[entityName] + self.stream.unget(charStack.pop()) + output += "".join(charStack[entityLength:]) + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-named-entity"}) + self.stream.unget(charStack.pop()) + output = "&" + "".join(charStack) + + if fromAttribute: + self.currentToken["data"][-1][1] += output + else: + if output in spaceCharacters: + tokenType = "SpaceCharacters" + else: + tokenType = "Characters" + self.tokenQueue.append({"type": tokenTypes[tokenType], "data": output}) + + def processEntityInAttribute(self, allowedChar): + """This method replaces the need for "entityInAttributeValueState". + """ + self.consumeEntity(allowedChar=allowedChar, fromAttribute=True) + + def emitCurrentToken(self): + """This method is a generic handler for emitting the tags. It also sets + the state to "data" because that's what's needed after a token has been + emitted. + """ + token = self.currentToken + # Add token to the queue to be yielded + if (token["type"] in tagTokenTypes): + token["name"] = token["name"].translate(asciiUpper2Lower) + if token["type"] == tokenTypes["EndTag"]: + if token["data"]: + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "attributes-in-end-tag"}) + if token["selfClosing"]: + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "self-closing-flag-on-end-tag"}) + self.tokenQueue.append(token) + self.state = self.dataState + + # Below are the various tokenizer states worked out. + def dataState(self): + data = self.stream.char() + if data == "&": + self.state = self.entityDataState + elif data == "<": + self.state = self.tagOpenState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\u0000"}) + elif data is EOF: + # Tokenization ends. + return False + elif data in spaceCharacters: + # Directly after emitting a token you switch back to the "data + # state". At that point spaceCharacters are important so they are + # emitted separately. + self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data": + data + self.stream.charsUntil(spaceCharacters, True)}) + # No need to update lastFourChars here, since the first space will + # have already been appended to lastFourChars and will have broken + # any <!-- or --> sequences + else: + chars = self.stream.charsUntil(("&", "<", "\u0000")) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + chars}) + return True + + def entityDataState(self): + self.consumeEntity() + self.state = self.dataState + return True + + def rcdataState(self): + data = self.stream.char() + if data == "&": + self.state = self.characterReferenceInRcdata + elif data == "<": + self.state = self.rcdataLessThanSignState + elif data == EOF: + # Tokenization ends. + return False + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + elif data in spaceCharacters: + # Directly after emitting a token you switch back to the "data + # state". At that point spaceCharacters are important so they are + # emitted separately. + self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data": + data + self.stream.charsUntil(spaceCharacters, True)}) + # No need to update lastFourChars here, since the first space will + # have already been appended to lastFourChars and will have broken + # any <!-- or --> sequences + else: + chars = self.stream.charsUntil(("&", "<", "\u0000")) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + chars}) + return True + + def characterReferenceInRcdata(self): + self.consumeEntity() + self.state = self.rcdataState + return True + + def rawtextState(self): + data = self.stream.char() + if data == "<": + self.state = self.rawtextLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + elif data == EOF: + # Tokenization ends. + return False + else: + chars = self.stream.charsUntil(("<", "\u0000")) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + chars}) + return True + + def scriptDataState(self): + data = self.stream.char() + if data == "<": + self.state = self.scriptDataLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + elif data == EOF: + # Tokenization ends. + return False + else: + chars = self.stream.charsUntil(("<", "\u0000")) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + chars}) + return True + + def plaintextState(self): + data = self.stream.char() + if data == EOF: + # Tokenization ends. + return False + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + self.stream.charsUntil("\u0000")}) + return True + + def tagOpenState(self): + data = self.stream.char() + if data == "!": + self.state = self.markupDeclarationOpenState + elif data == "/": + self.state = self.closeTagOpenState + elif data in asciiLetters: + self.currentToken = {"type": tokenTypes["StartTag"], + "name": data, "data": [], + "selfClosing": False, + "selfClosingAcknowledged": False} + self.state = self.tagNameState + elif data == ">": + # XXX In theory it could be something besides a tag name. But + # do we really care? + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-tag-name-but-got-right-bracket"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<>"}) + self.state = self.dataState + elif data == "?": + # XXX In theory it could be something besides a tag name. But + # do we really care? + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-tag-name-but-got-question-mark"}) + self.stream.unget(data) + self.state = self.bogusCommentState + else: + # XXX + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-tag-name"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.stream.unget(data) + self.state = self.dataState + return True + + def closeTagOpenState(self): + data = self.stream.char() + if data in asciiLetters: + self.currentToken = {"type": tokenTypes["EndTag"], "name": data, + "data": [], "selfClosing": False} + self.state = self.tagNameState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-closing-tag-but-got-right-bracket"}) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-closing-tag-but-got-eof"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) + self.state = self.dataState + else: + # XXX data can be _'_... + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-closing-tag-but-got-char", + "datavars": {"data": data}}) + self.stream.unget(data) + self.state = self.bogusCommentState + return True + + def tagNameState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeAttributeNameState + elif data == ">": + self.emitCurrentToken() + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-tag-name"}) + self.state = self.dataState + elif data == "/": + self.state = self.selfClosingStartTagState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["name"] += "\uFFFD" + else: + self.currentToken["name"] += data + # (Don't use charsUntil here, because tag names are + # very short and it's faster to not do anything fancy) + return True + + def rcdataLessThanSignState(self): + data = self.stream.char() + if data == "/": + self.temporaryBuffer = "" + self.state = self.rcdataEndTagOpenState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.stream.unget(data) + self.state = self.rcdataState + return True + + def rcdataEndTagOpenState(self): + data = self.stream.char() + if data in asciiLetters: + self.temporaryBuffer += data + self.state = self.rcdataEndTagNameState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) + self.stream.unget(data) + self.state = self.rcdataState + return True + + def rcdataEndTagNameState(self): + appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() + data = self.stream.char() + if data in spaceCharacters and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.beforeAttributeNameState + elif data == "/" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.selfClosingStartTagState + elif data == ">" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.emitCurrentToken() + self.state = self.dataState + elif data in asciiLetters: + self.temporaryBuffer += data + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "</" + self.temporaryBuffer}) + self.stream.unget(data) + self.state = self.rcdataState + return True + + def rawtextLessThanSignState(self): + data = self.stream.char() + if data == "/": + self.temporaryBuffer = "" + self.state = self.rawtextEndTagOpenState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.stream.unget(data) + self.state = self.rawtextState + return True + + def rawtextEndTagOpenState(self): + data = self.stream.char() + if data in asciiLetters: + self.temporaryBuffer += data + self.state = self.rawtextEndTagNameState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) + self.stream.unget(data) + self.state = self.rawtextState + return True + + def rawtextEndTagNameState(self): + appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() + data = self.stream.char() + if data in spaceCharacters and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.beforeAttributeNameState + elif data == "/" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.selfClosingStartTagState + elif data == ">" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.emitCurrentToken() + self.state = self.dataState + elif data in asciiLetters: + self.temporaryBuffer += data + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "</" + self.temporaryBuffer}) + self.stream.unget(data) + self.state = self.rawtextState + return True + + def scriptDataLessThanSignState(self): + data = self.stream.char() + if data == "/": + self.temporaryBuffer = "" + self.state = self.scriptDataEndTagOpenState + elif data == "!": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<!"}) + self.state = self.scriptDataEscapeStartState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.stream.unget(data) + self.state = self.scriptDataState + return True + + def scriptDataEndTagOpenState(self): + data = self.stream.char() + if data in asciiLetters: + self.temporaryBuffer += data + self.state = self.scriptDataEndTagNameState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) + self.stream.unget(data) + self.state = self.scriptDataState + return True + + def scriptDataEndTagNameState(self): + appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() + data = self.stream.char() + if data in spaceCharacters and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.beforeAttributeNameState + elif data == "/" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.selfClosingStartTagState + elif data == ">" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.emitCurrentToken() + self.state = self.dataState + elif data in asciiLetters: + self.temporaryBuffer += data + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "</" + self.temporaryBuffer}) + self.stream.unget(data) + self.state = self.scriptDataState + return True + + def scriptDataEscapeStartState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataEscapeStartDashState + else: + self.stream.unget(data) + self.state = self.scriptDataState + return True + + def scriptDataEscapeStartDashState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataEscapedDashDashState + else: + self.stream.unget(data) + self.state = self.scriptDataState + return True + + def scriptDataEscapedState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataEscapedDashState + elif data == "<": + self.state = self.scriptDataEscapedLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + elif data == EOF: + self.state = self.dataState + else: + chars = self.stream.charsUntil(("<", "-", "\u0000")) + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": + data + chars}) + return True + + def scriptDataEscapedDashState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataEscapedDashDashState + elif data == "<": + self.state = self.scriptDataEscapedLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + self.state = self.scriptDataEscapedState + elif data == EOF: + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.state = self.scriptDataEscapedState + return True + + def scriptDataEscapedDashDashState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + elif data == "<": + self.state = self.scriptDataEscapedLessThanSignState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"}) + self.state = self.scriptDataState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + self.state = self.scriptDataEscapedState + elif data == EOF: + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.state = self.scriptDataEscapedState + return True + + def scriptDataEscapedLessThanSignState(self): + data = self.stream.char() + if data == "/": + self.temporaryBuffer = "" + self.state = self.scriptDataEscapedEndTagOpenState + elif data in asciiLetters: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<" + data}) + self.temporaryBuffer = data + self.state = self.scriptDataDoubleEscapeStartState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.stream.unget(data) + self.state = self.scriptDataEscapedState + return True + + def scriptDataEscapedEndTagOpenState(self): + data = self.stream.char() + if data in asciiLetters: + self.temporaryBuffer = data + self.state = self.scriptDataEscapedEndTagNameState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) + self.stream.unget(data) + self.state = self.scriptDataEscapedState + return True + + def scriptDataEscapedEndTagNameState(self): + appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() + data = self.stream.char() + if data in spaceCharacters and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.beforeAttributeNameState + elif data == "/" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.state = self.selfClosingStartTagState + elif data == ">" and appropriate: + self.currentToken = {"type": tokenTypes["EndTag"], + "name": self.temporaryBuffer, + "data": [], "selfClosing": False} + self.emitCurrentToken() + self.state = self.dataState + elif data in asciiLetters: + self.temporaryBuffer += data + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "</" + self.temporaryBuffer}) + self.stream.unget(data) + self.state = self.scriptDataEscapedState + return True + + def scriptDataDoubleEscapeStartState(self): + data = self.stream.char() + if data in (spaceCharacters | frozenset(("/", ">"))): + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + if self.temporaryBuffer.lower() == "script": + self.state = self.scriptDataDoubleEscapedState + else: + self.state = self.scriptDataEscapedState + elif data in asciiLetters: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.temporaryBuffer += data + else: + self.stream.unget(data) + self.state = self.scriptDataEscapedState + return True + + def scriptDataDoubleEscapedState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataDoubleEscapedDashState + elif data == "<": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.state = self.scriptDataDoubleEscapedLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + elif data == EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-script-in-script"}) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + return True + + def scriptDataDoubleEscapedDashState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + self.state = self.scriptDataDoubleEscapedDashDashState + elif data == "<": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.state = self.scriptDataDoubleEscapedLessThanSignState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + self.state = self.scriptDataDoubleEscapedState + elif data == EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-script-in-script"}) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.state = self.scriptDataDoubleEscapedState + return True + + def scriptDataDoubleEscapedDashDashState(self): + data = self.stream.char() + if data == "-": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) + elif data == "<": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) + self.state = self.scriptDataDoubleEscapedLessThanSignState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"}) + self.state = self.scriptDataState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": "\uFFFD"}) + self.state = self.scriptDataDoubleEscapedState + elif data == EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-script-in-script"}) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.state = self.scriptDataDoubleEscapedState + return True + + def scriptDataDoubleEscapedLessThanSignState(self): + data = self.stream.char() + if data == "/": + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "/"}) + self.temporaryBuffer = "" + self.state = self.scriptDataDoubleEscapeEndState + else: + self.stream.unget(data) + self.state = self.scriptDataDoubleEscapedState + return True + + def scriptDataDoubleEscapeEndState(self): + data = self.stream.char() + if data in (spaceCharacters | frozenset(("/", ">"))): + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + if self.temporaryBuffer.lower() == "script": + self.state = self.scriptDataEscapedState + else: + self.state = self.scriptDataDoubleEscapedState + elif data in asciiLetters: + self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) + self.temporaryBuffer += data + else: + self.stream.unget(data) + self.state = self.scriptDataDoubleEscapedState + return True + + def beforeAttributeNameState(self): + data = self.stream.char() + if data in spaceCharacters: + self.stream.charsUntil(spaceCharacters, True) + elif data in asciiLetters: + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + elif data == ">": + self.emitCurrentToken() + elif data == "/": + self.state = self.selfClosingStartTagState + elif data in ("'", '"', "=", "<"): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "invalid-character-in-attribute-name"}) + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"].append(["\uFFFD", ""]) + self.state = self.attributeNameState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-attribute-name-but-got-eof"}) + self.state = self.dataState + else: + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + return True + + def attributeNameState(self): + data = self.stream.char() + leavingThisState = True + emitToken = False + if data == "=": + self.state = self.beforeAttributeValueState + elif data in asciiLetters: + self.currentToken["data"][-1][0] += data +\ + self.stream.charsUntil(asciiLetters, True) + leavingThisState = False + elif data == ">": + # XXX If we emit here the attributes are converted to a dict + # without being checked and when the code below runs we error + # because data is a dict not a list + emitToken = True + elif data in spaceCharacters: + self.state = self.afterAttributeNameState + elif data == "/": + self.state = self.selfClosingStartTagState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"][-1][0] += "\uFFFD" + leavingThisState = False + elif data in ("'", '"', "<"): + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": + "invalid-character-in-attribute-name"}) + self.currentToken["data"][-1][0] += data + leavingThisState = False + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "eof-in-attribute-name"}) + self.state = self.dataState + else: + self.currentToken["data"][-1][0] += data + leavingThisState = False + + if leavingThisState: + # Attributes are not dropped at this stage. That happens when the + # start tag token is emitted so values can still be safely appended + # to attributes, but we do want to report the parse error in time. + self.currentToken["data"][-1][0] = ( + self.currentToken["data"][-1][0].translate(asciiUpper2Lower)) + for name, _ in self.currentToken["data"][:-1]: + if self.currentToken["data"][-1][0] == name: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "duplicate-attribute"}) + break + # XXX Fix for above XXX + if emitToken: + self.emitCurrentToken() + return True + + def afterAttributeNameState(self): + data = self.stream.char() + if data in spaceCharacters: + self.stream.charsUntil(spaceCharacters, True) + elif data == "=": + self.state = self.beforeAttributeValueState + elif data == ">": + self.emitCurrentToken() + elif data in asciiLetters: + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + elif data == "/": + self.state = self.selfClosingStartTagState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"].append(["\uFFFD", ""]) + self.state = self.attributeNameState + elif data in ("'", '"', "<"): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "invalid-character-after-attribute-name"}) + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-end-of-tag-but-got-eof"}) + self.state = self.dataState + else: + self.currentToken["data"].append([data, ""]) + self.state = self.attributeNameState + return True + + def beforeAttributeValueState(self): + data = self.stream.char() + if data in spaceCharacters: + self.stream.charsUntil(spaceCharacters, True) + elif data == "\"": + self.state = self.attributeValueDoubleQuotedState + elif data == "&": + self.state = self.attributeValueUnQuotedState + self.stream.unget(data) + elif data == "'": + self.state = self.attributeValueSingleQuotedState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-attribute-value-but-got-right-bracket"}) + self.emitCurrentToken() + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"][-1][1] += "\uFFFD" + self.state = self.attributeValueUnQuotedState + elif data in ("=", "<", "`"): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "equals-in-unquoted-attribute-value"}) + self.currentToken["data"][-1][1] += data + self.state = self.attributeValueUnQuotedState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-attribute-value-but-got-eof"}) + self.state = self.dataState + else: + self.currentToken["data"][-1][1] += data + self.state = self.attributeValueUnQuotedState + return True + + def attributeValueDoubleQuotedState(self): + data = self.stream.char() + if data == "\"": + self.state = self.afterAttributeValueState + elif data == "&": + self.processEntityInAttribute('"') + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"][-1][1] += "\uFFFD" + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-attribute-value-double-quote"}) + self.state = self.dataState + else: + self.currentToken["data"][-1][1] += data +\ + self.stream.charsUntil(("\"", "&", "\u0000")) + return True + + def attributeValueSingleQuotedState(self): + data = self.stream.char() + if data == "'": + self.state = self.afterAttributeValueState + elif data == "&": + self.processEntityInAttribute("'") + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"][-1][1] += "\uFFFD" + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-attribute-value-single-quote"}) + self.state = self.dataState + else: + self.currentToken["data"][-1][1] += data +\ + self.stream.charsUntil(("'", "&", "\u0000")) + return True + + def attributeValueUnQuotedState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeAttributeNameState + elif data == "&": + self.processEntityInAttribute(">") + elif data == ">": + self.emitCurrentToken() + elif data in ('"', "'", "=", "<", "`"): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-character-in-unquoted-attribute-value"}) + self.currentToken["data"][-1][1] += data + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"][-1][1] += "\uFFFD" + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-attribute-value-no-quotes"}) + self.state = self.dataState + else: + self.currentToken["data"][-1][1] += data + self.stream.charsUntil( + frozenset(("&", ">", '"', "'", "=", "<", "`", "\u0000")) | spaceCharacters) + return True + + def afterAttributeValueState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeAttributeNameState + elif data == ">": + self.emitCurrentToken() + elif data == "/": + self.state = self.selfClosingStartTagState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-EOF-after-attribute-value"}) + self.stream.unget(data) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-character-after-attribute-value"}) + self.stream.unget(data) + self.state = self.beforeAttributeNameState + return True + + def selfClosingStartTagState(self): + data = self.stream.char() + if data == ">": + self.currentToken["selfClosing"] = True + self.emitCurrentToken() + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": + "unexpected-EOF-after-solidus-in-tag"}) + self.stream.unget(data) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-character-after-solidus-in-tag"}) + self.stream.unget(data) + self.state = self.beforeAttributeNameState + return True + + def bogusCommentState(self): + # Make a new comment token and give it as value all the characters + # until the first > or EOF (charsUntil checks for EOF automatically) + # and emit it. + data = self.stream.charsUntil(">") + data = data.replace("\u0000", "\uFFFD") + self.tokenQueue.append( + {"type": tokenTypes["Comment"], "data": data}) + + # Eat the character directly after the bogus comment which is either a + # ">" or an EOF. + self.stream.char() + self.state = self.dataState + return True + + def markupDeclarationOpenState(self): + charStack = [self.stream.char()] + if charStack[-1] == "-": + charStack.append(self.stream.char()) + if charStack[-1] == "-": + self.currentToken = {"type": tokenTypes["Comment"], "data": ""} + self.state = self.commentStartState + return True + elif charStack[-1] in ('d', 'D'): + matched = True + for expected in (('o', 'O'), ('c', 'C'), ('t', 'T'), + ('y', 'Y'), ('p', 'P'), ('e', 'E')): + charStack.append(self.stream.char()) + if charStack[-1] not in expected: + matched = False + break + if matched: + self.currentToken = {"type": tokenTypes["Doctype"], + "name": "", + "publicId": None, "systemId": None, + "correct": True} + self.state = self.doctypeState + return True + elif (charStack[-1] == "[" and + self.parser is not None and + self.parser.tree.openElements and + self.parser.tree.openElements[-1].namespace != self.parser.tree.defaultNamespace): + matched = True + for expected in ["C", "D", "A", "T", "A", "["]: + charStack.append(self.stream.char()) + if charStack[-1] != expected: + matched = False + break + if matched: + self.state = self.cdataSectionState + return True + + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-dashes-or-doctype"}) + + while charStack: + self.stream.unget(charStack.pop()) + self.state = self.bogusCommentState + return True + + def commentStartState(self): + data = self.stream.char() + if data == "-": + self.state = self.commentStartDashState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "incorrect-comment"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-comment"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["data"] += data + self.state = self.commentState + return True + + def commentStartDashState(self): + data = self.stream.char() + if data == "-": + self.state = self.commentEndState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "-\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "incorrect-comment"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-comment"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["data"] += "-" + data + self.state = self.commentState + return True + + def commentState(self): + data = self.stream.char() + if data == "-": + self.state = self.commentEndDashState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "\uFFFD" + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "eof-in-comment"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["data"] += data + \ + self.stream.charsUntil(("-", "\u0000")) + return True + + def commentEndDashState(self): + data = self.stream.char() + if data == "-": + self.state = self.commentEndState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "-\uFFFD" + self.state = self.commentState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-comment-end-dash"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["data"] += "-" + data + self.state = self.commentState + return True + + def commentEndState(self): + data = self.stream.char() + if data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "--\uFFFD" + self.state = self.commentState + elif data == "!": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-bang-after-double-dash-in-comment"}) + self.state = self.commentEndBangState + elif data == "-": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-dash-after-double-dash-in-comment"}) + self.currentToken["data"] += data + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-comment-double-dash"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + # XXX + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-comment"}) + self.currentToken["data"] += "--" + data + self.state = self.commentState + return True + + def commentEndBangState(self): + data = self.stream.char() + if data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == "-": + self.currentToken["data"] += "--!" + self.state = self.commentEndDashState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["data"] += "--!\uFFFD" + self.state = self.commentState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-comment-end-bang-state"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["data"] += "--!" + data + self.state = self.commentState + return True + + def doctypeState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeDoctypeNameState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-doctype-name-but-got-eof"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "need-space-after-doctype"}) + self.stream.unget(data) + self.state = self.beforeDoctypeNameState + return True + + def beforeDoctypeNameState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-doctype-name-but-got-right-bracket"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["name"] = "\uFFFD" + self.state = self.doctypeNameState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-doctype-name-but-got-eof"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["name"] = data + self.state = self.doctypeNameState + return True + + def doctypeNameState(self): + data = self.stream.char() + if data in spaceCharacters: + self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) + self.state = self.afterDoctypeNameState + elif data == ">": + self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["name"] += "\uFFFD" + self.state = self.doctypeNameState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype-name"}) + self.currentToken["correct"] = False + self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["name"] += data + return True + + def afterDoctypeNameState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.currentToken["correct"] = False + self.stream.unget(data) + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + if data in ("p", "P"): + matched = True + for expected in (("u", "U"), ("b", "B"), ("l", "L"), + ("i", "I"), ("c", "C")): + data = self.stream.char() + if data not in expected: + matched = False + break + if matched: + self.state = self.afterDoctypePublicKeywordState + return True + elif data in ("s", "S"): + matched = True + for expected in (("y", "Y"), ("s", "S"), ("t", "T"), + ("e", "E"), ("m", "M")): + data = self.stream.char() + if data not in expected: + matched = False + break + if matched: + self.state = self.afterDoctypeSystemKeywordState + return True + + # All the characters read before the current 'data' will be + # [a-zA-Z], so they're garbage in the bogus doctype and can be + # discarded; only the latest character might be '>' or EOF + # and needs to be ungetted + self.stream.unget(data) + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "expected-space-or-right-bracket-in-doctype", "datavars": + {"data": data}}) + self.currentToken["correct"] = False + self.state = self.bogusDoctypeState + + return True + + def afterDoctypePublicKeywordState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeDoctypePublicIdentifierState + elif data in ("'", '"'): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.stream.unget(data) + self.state = self.beforeDoctypePublicIdentifierState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.stream.unget(data) + self.state = self.beforeDoctypePublicIdentifierState + return True + + def beforeDoctypePublicIdentifierState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == "\"": + self.currentToken["publicId"] = "" + self.state = self.doctypePublicIdentifierDoubleQuotedState + elif data == "'": + self.currentToken["publicId"] = "" + self.state = self.doctypePublicIdentifierSingleQuotedState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-end-of-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["correct"] = False + self.state = self.bogusDoctypeState + return True + + def doctypePublicIdentifierDoubleQuotedState(self): + data = self.stream.char() + if data == "\"": + self.state = self.afterDoctypePublicIdentifierState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["publicId"] += "\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-end-of-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["publicId"] += data + return True + + def doctypePublicIdentifierSingleQuotedState(self): + data = self.stream.char() + if data == "'": + self.state = self.afterDoctypePublicIdentifierState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["publicId"] += "\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-end-of-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["publicId"] += data + return True + + def afterDoctypePublicIdentifierState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.betweenDoctypePublicAndSystemIdentifiersState + elif data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == '"': + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierDoubleQuotedState + elif data == "'": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierSingleQuotedState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["correct"] = False + self.state = self.bogusDoctypeState + return True + + def betweenDoctypePublicAndSystemIdentifiersState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data == '"': + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierDoubleQuotedState + elif data == "'": + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierSingleQuotedState + elif data == EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["correct"] = False + self.state = self.bogusDoctypeState + return True + + def afterDoctypeSystemKeywordState(self): + data = self.stream.char() + if data in spaceCharacters: + self.state = self.beforeDoctypeSystemIdentifierState + elif data in ("'", '"'): + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.stream.unget(data) + self.state = self.beforeDoctypeSystemIdentifierState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.stream.unget(data) + self.state = self.beforeDoctypeSystemIdentifierState + return True + + def beforeDoctypeSystemIdentifierState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == "\"": + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierDoubleQuotedState + elif data == "'": + self.currentToken["systemId"] = "" + self.state = self.doctypeSystemIdentifierSingleQuotedState + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.currentToken["correct"] = False + self.state = self.bogusDoctypeState + return True + + def doctypeSystemIdentifierDoubleQuotedState(self): + data = self.stream.char() + if data == "\"": + self.state = self.afterDoctypeSystemIdentifierState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["systemId"] += "\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-end-of-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["systemId"] += data + return True + + def doctypeSystemIdentifierSingleQuotedState(self): + data = self.stream.char() + if data == "'": + self.state = self.afterDoctypeSystemIdentifierState + elif data == "\u0000": + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + self.currentToken["systemId"] += "\uFFFD" + elif data == ">": + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-end-of-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.currentToken["systemId"] += data + return True + + def afterDoctypeSystemIdentifierState(self): + data = self.stream.char() + if data in spaceCharacters: + pass + elif data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "eof-in-doctype"}) + self.currentToken["correct"] = False + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": + "unexpected-char-in-doctype"}) + self.state = self.bogusDoctypeState + return True + + def bogusDoctypeState(self): + data = self.stream.char() + if data == ">": + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + elif data is EOF: + # XXX EMIT + self.stream.unget(data) + self.tokenQueue.append(self.currentToken) + self.state = self.dataState + else: + pass + return True + + def cdataSectionState(self): + data = [] + while True: + data.append(self.stream.charsUntil("]")) + data.append(self.stream.charsUntil(">")) + char = self.stream.char() + if char == EOF: + break + else: + assert char == ">" + if data[-1][-2:] == "]]": + data[-1] = data[-1][:-2] + break + else: + data.append(char) + + data = "".join(data) # pylint:disable=redefined-variable-type + # Deal with null here rather than in the parser + nullCount = data.count("\u0000") + if nullCount > 0: + for _ in range(nullCount): + self.tokenQueue.append({"type": tokenTypes["ParseError"], + "data": "invalid-codepoint"}) + data = data.replace("\u0000", "\uFFFD") + if data: + self.tokenQueue.append({"type": tokenTypes["Characters"], + "data": data}) + self.state = self.dataState + return True diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/__init__.py new file mode 100644 index 0000000..a5ba4bf --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/__init__.py @@ -0,0 +1,14 @@ +from __future__ import absolute_import, division, unicode_literals + +from .py import Trie as PyTrie + +Trie = PyTrie + +# pylint:disable=wrong-import-position +try: + from .datrie import Trie as DATrie +except ImportError: + pass +else: + Trie = DATrie +# pylint:enable=wrong-import-position diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/_base.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/_base.py new file mode 100644 index 0000000..a1158bb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/_base.py @@ -0,0 +1,37 @@ +from __future__ import absolute_import, division, unicode_literals + +from collections import Mapping + + +class Trie(Mapping): + """Abstract base class for tries""" + + def keys(self, prefix=None): + # pylint:disable=arguments-differ + keys = super(Trie, self).keys() + + if prefix is None: + return set(keys) + + return {x for x in keys if x.startswith(prefix)} + + def has_keys_with_prefix(self, prefix): + for key in self.keys(): + if key.startswith(prefix): + return True + + return False + + def longest_prefix(self, prefix): + if prefix in self: + return prefix + + for i in range(1, len(prefix) + 1): + if prefix[:-i] in self: + return prefix[:-i] + + raise KeyError(prefix) + + def longest_prefix_item(self, prefix): + lprefix = self.longest_prefix(prefix) + return (lprefix, self[lprefix]) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/datrie.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/datrie.py new file mode 100644 index 0000000..e2e5f86 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/datrie.py @@ -0,0 +1,44 @@ +from __future__ import absolute_import, division, unicode_literals + +from datrie import Trie as DATrie +from pip._vendor.six import text_type + +from ._base import Trie as ABCTrie + + +class Trie(ABCTrie): + def __init__(self, data): + chars = set() + for key in data.keys(): + if not isinstance(key, text_type): + raise TypeError("All keys must be strings") + for char in key: + chars.add(char) + + self._data = DATrie("".join(chars)) + for key, value in data.items(): + self._data[key] = value + + def __contains__(self, key): + return key in self._data + + def __len__(self): + return len(self._data) + + def __iter__(self): + raise NotImplementedError() + + def __getitem__(self, key): + return self._data[key] + + def keys(self, prefix=None): + return self._data.keys(prefix) + + def has_keys_with_prefix(self, prefix): + return self._data.has_keys_with_prefix(prefix) + + def longest_prefix(self, prefix): + return self._data.longest_prefix(prefix) + + def longest_prefix_item(self, prefix): + return self._data.longest_prefix_item(prefix) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/py.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/py.py new file mode 100644 index 0000000..c178b21 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_trie/py.py @@ -0,0 +1,67 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import text_type + +from bisect import bisect_left + +from ._base import Trie as ABCTrie + + +class Trie(ABCTrie): + def __init__(self, data): + if not all(isinstance(x, text_type) for x in data.keys()): + raise TypeError("All keys must be strings") + + self._data = data + self._keys = sorted(data.keys()) + self._cachestr = "" + self._cachepoints = (0, len(data)) + + def __contains__(self, key): + return key in self._data + + def __len__(self): + return len(self._data) + + def __iter__(self): + return iter(self._data) + + def __getitem__(self, key): + return self._data[key] + + def keys(self, prefix=None): + if prefix is None or prefix == "" or not self._keys: + return set(self._keys) + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + start = i = bisect_left(self._keys, prefix, lo, hi) + else: + start = i = bisect_left(self._keys, prefix) + + keys = set() + if start == len(self._keys): + return keys + + while self._keys[i].startswith(prefix): + keys.add(self._keys[i]) + i += 1 + + self._cachestr = prefix + self._cachepoints = (start, i) + + return keys + + def has_keys_with_prefix(self, prefix): + if prefix in self._data: + return True + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + i = bisect_left(self._keys, prefix, lo, hi) + else: + i = bisect_left(self._keys, prefix) + + if i == len(self._keys): + return False + + return self._keys[i].startswith(prefix) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_utils.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_utils.py new file mode 100644 index 0000000..0703afb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/_utils.py @@ -0,0 +1,124 @@ +from __future__ import absolute_import, division, unicode_literals + +from types import ModuleType + +from pip._vendor.six import text_type + +try: + import xml.etree.cElementTree as default_etree +except ImportError: + import xml.etree.ElementTree as default_etree + + +__all__ = ["default_etree", "MethodDispatcher", "isSurrogatePair", + "surrogatePairToCodepoint", "moduleFactoryFactory", + "supports_lone_surrogates"] + + +# Platforms not supporting lone surrogates (\uD800-\uDFFF) should be +# caught by the below test. In general this would be any platform +# using UTF-16 as its encoding of unicode strings, such as +# Jython. This is because UTF-16 itself is based on the use of such +# surrogates, and there is no mechanism to further escape such +# escapes. +try: + _x = eval('"\\uD800"') # pylint:disable=eval-used + if not isinstance(_x, text_type): + # We need this with u"" because of http://bugs.jython.org/issue2039 + _x = eval('u"\\uD800"') # pylint:disable=eval-used + assert isinstance(_x, text_type) +except: # pylint:disable=bare-except + supports_lone_surrogates = False +else: + supports_lone_surrogates = True + + +class MethodDispatcher(dict): + """Dict with 2 special properties: + + On initiation, keys that are lists, sets or tuples are converted to + multiple keys so accessing any one of the items in the original + list-like object returns the matching value + + md = MethodDispatcher({("foo", "bar"):"baz"}) + md["foo"] == "baz" + + A default value which can be set through the default attribute. + """ + + def __init__(self, items=()): + # Using _dictEntries instead of directly assigning to self is about + # twice as fast. Please do careful performance testing before changing + # anything here. + _dictEntries = [] + for name, value in items: + if isinstance(name, (list, tuple, frozenset, set)): + for item in name: + _dictEntries.append((item, value)) + else: + _dictEntries.append((name, value)) + dict.__init__(self, _dictEntries) + assert len(self) == len(_dictEntries) + self.default = None + + def __getitem__(self, key): + return dict.get(self, key, self.default) + + +# Some utility functions to deal with weirdness around UCS2 vs UCS4 +# python builds + +def isSurrogatePair(data): + return (len(data) == 2 and + ord(data[0]) >= 0xD800 and ord(data[0]) <= 0xDBFF and + ord(data[1]) >= 0xDC00 and ord(data[1]) <= 0xDFFF) + + +def surrogatePairToCodepoint(data): + char_val = (0x10000 + (ord(data[0]) - 0xD800) * 0x400 + + (ord(data[1]) - 0xDC00)) + return char_val + +# Module Factory Factory (no, this isn't Java, I know) +# Here to stop this being duplicated all over the place. + + +def moduleFactoryFactory(factory): + moduleCache = {} + + def moduleFactory(baseModule, *args, **kwargs): + if isinstance(ModuleType.__name__, type("")): + name = "_%s_factory" % baseModule.__name__ + else: + name = b"_%s_factory" % baseModule.__name__ + + kwargs_tuple = tuple(kwargs.items()) + + try: + return moduleCache[name][args][kwargs_tuple] + except KeyError: + mod = ModuleType(name) + objs = factory(baseModule, *args, **kwargs) + mod.__dict__.update(objs) + if "name" not in moduleCache: + moduleCache[name] = {} + if "args" not in moduleCache[name]: + moduleCache[name][args] = {} + if "kwargs" not in moduleCache[name][args]: + moduleCache[name][args][kwargs_tuple] = {} + moduleCache[name][args][kwargs_tuple] = mod + return mod + + return moduleFactory + + +def memoize(func): + cache = {} + + def wrapped(*args, **kwargs): + key = (tuple(args), tuple(kwargs.items())) + if key not in cache: + cache[key] = func(*args, **kwargs) + return cache[key] + + return wrapped diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/constants.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/constants.py new file mode 100644 index 0000000..1ff8041 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/constants.py @@ -0,0 +1,2947 @@ +from __future__ import absolute_import, division, unicode_literals + +import string + +EOF = None + +E = { + "null-character": + "Null character in input stream, replaced with U+FFFD.", + "invalid-codepoint": + "Invalid codepoint in stream.", + "incorrectly-placed-solidus": + "Solidus (/) incorrectly placed in tag.", + "incorrect-cr-newline-entity": + "Incorrect CR newline entity, replaced with LF.", + "illegal-windows-1252-entity": + "Entity used with illegal number (windows-1252 reference).", + "cant-convert-numeric-entity": + "Numeric entity couldn't be converted to character " + "(codepoint U+%(charAsInt)08x).", + "illegal-codepoint-for-numeric-entity": + "Numeric entity represents an illegal codepoint: " + "U+%(charAsInt)08x.", + "numeric-entity-without-semicolon": + "Numeric entity didn't end with ';'.", + "expected-numeric-entity-but-got-eof": + "Numeric entity expected. Got end of file instead.", + "expected-numeric-entity": + "Numeric entity expected but none found.", + "named-entity-without-semicolon": + "Named entity didn't end with ';'.", + "expected-named-entity": + "Named entity expected. Got none.", + "attributes-in-end-tag": + "End tag contains unexpected attributes.", + 'self-closing-flag-on-end-tag': + "End tag contains unexpected self-closing flag.", + "expected-tag-name-but-got-right-bracket": + "Expected tag name. Got '>' instead.", + "expected-tag-name-but-got-question-mark": + "Expected tag name. Got '?' instead. (HTML doesn't " + "support processing instructions.)", + "expected-tag-name": + "Expected tag name. Got something else instead", + "expected-closing-tag-but-got-right-bracket": + "Expected closing tag. Got '>' instead. Ignoring '</>'.", + "expected-closing-tag-but-got-eof": + "Expected closing tag. Unexpected end of file.", + "expected-closing-tag-but-got-char": + "Expected closing tag. Unexpected character '%(data)s' found.", + "eof-in-tag-name": + "Unexpected end of file in the tag name.", + "expected-attribute-name-but-got-eof": + "Unexpected end of file. Expected attribute name instead.", + "eof-in-attribute-name": + "Unexpected end of file in attribute name.", + "invalid-character-in-attribute-name": + "Invalid character in attribute name", + "duplicate-attribute": + "Dropped duplicate attribute on tag.", + "expected-end-of-tag-name-but-got-eof": + "Unexpected end of file. Expected = or end of tag.", + "expected-attribute-value-but-got-eof": + "Unexpected end of file. Expected attribute value.", + "expected-attribute-value-but-got-right-bracket": + "Expected attribute value. Got '>' instead.", + 'equals-in-unquoted-attribute-value': + "Unexpected = in unquoted attribute", + 'unexpected-character-in-unquoted-attribute-value': + "Unexpected character in unquoted attribute", + "invalid-character-after-attribute-name": + "Unexpected character after attribute name.", + "unexpected-character-after-attribute-value": + "Unexpected character after attribute value.", + "eof-in-attribute-value-double-quote": + "Unexpected end of file in attribute value (\").", + "eof-in-attribute-value-single-quote": + "Unexpected end of file in attribute value (').", + "eof-in-attribute-value-no-quotes": + "Unexpected end of file in attribute value.", + "unexpected-EOF-after-solidus-in-tag": + "Unexpected end of file in tag. Expected >", + "unexpected-character-after-solidus-in-tag": + "Unexpected character after / in tag. Expected >", + "expected-dashes-or-doctype": + "Expected '--' or 'DOCTYPE'. Not found.", + "unexpected-bang-after-double-dash-in-comment": + "Unexpected ! after -- in comment", + "unexpected-space-after-double-dash-in-comment": + "Unexpected space after -- in comment", + "incorrect-comment": + "Incorrect comment.", + "eof-in-comment": + "Unexpected end of file in comment.", + "eof-in-comment-end-dash": + "Unexpected end of file in comment (-)", + "unexpected-dash-after-double-dash-in-comment": + "Unexpected '-' after '--' found in comment.", + "eof-in-comment-double-dash": + "Unexpected end of file in comment (--).", + "eof-in-comment-end-space-state": + "Unexpected end of file in comment.", + "eof-in-comment-end-bang-state": + "Unexpected end of file in comment.", + "unexpected-char-in-comment": + "Unexpected character in comment found.", + "need-space-after-doctype": + "No space after literal string 'DOCTYPE'.", + "expected-doctype-name-but-got-right-bracket": + "Unexpected > character. Expected DOCTYPE name.", + "expected-doctype-name-but-got-eof": + "Unexpected end of file. Expected DOCTYPE name.", + "eof-in-doctype-name": + "Unexpected end of file in DOCTYPE name.", + "eof-in-doctype": + "Unexpected end of file in DOCTYPE.", + "expected-space-or-right-bracket-in-doctype": + "Expected space or '>'. Got '%(data)s'", + "unexpected-end-of-doctype": + "Unexpected end of DOCTYPE.", + "unexpected-char-in-doctype": + "Unexpected character in DOCTYPE.", + "eof-in-innerhtml": + "XXX innerHTML EOF", + "unexpected-doctype": + "Unexpected DOCTYPE. Ignored.", + "non-html-root": + "html needs to be the first start tag.", + "expected-doctype-but-got-eof": + "Unexpected End of file. Expected DOCTYPE.", + "unknown-doctype": + "Erroneous DOCTYPE.", + "expected-doctype-but-got-chars": + "Unexpected non-space characters. Expected DOCTYPE.", + "expected-doctype-but-got-start-tag": + "Unexpected start tag (%(name)s). Expected DOCTYPE.", + "expected-doctype-but-got-end-tag": + "Unexpected end tag (%(name)s). Expected DOCTYPE.", + "end-tag-after-implied-root": + "Unexpected end tag (%(name)s) after the (implied) root element.", + "expected-named-closing-tag-but-got-eof": + "Unexpected end of file. Expected end tag (%(name)s).", + "two-heads-are-not-better-than-one": + "Unexpected start tag head in existing head. Ignored.", + "unexpected-end-tag": + "Unexpected end tag (%(name)s). Ignored.", + "unexpected-start-tag-out-of-my-head": + "Unexpected start tag (%(name)s) that can be in head. Moved.", + "unexpected-start-tag": + "Unexpected start tag (%(name)s).", + "missing-end-tag": + "Missing end tag (%(name)s).", + "missing-end-tags": + "Missing end tags (%(name)s).", + "unexpected-start-tag-implies-end-tag": + "Unexpected start tag (%(startName)s) " + "implies end tag (%(endName)s).", + "unexpected-start-tag-treated-as": + "Unexpected start tag (%(originalName)s). Treated as %(newName)s.", + "deprecated-tag": + "Unexpected start tag %(name)s. Don't use it!", + "unexpected-start-tag-ignored": + "Unexpected start tag %(name)s. Ignored.", + "expected-one-end-tag-but-got-another": + "Unexpected end tag (%(gotName)s). " + "Missing end tag (%(expectedName)s).", + "end-tag-too-early": + "End tag (%(name)s) seen too early. Expected other end tag.", + "end-tag-too-early-named": + "Unexpected end tag (%(gotName)s). Expected end tag (%(expectedName)s).", + "end-tag-too-early-ignored": + "End tag (%(name)s) seen too early. Ignored.", + "adoption-agency-1.1": + "End tag (%(name)s) violates step 1, " + "paragraph 1 of the adoption agency algorithm.", + "adoption-agency-1.2": + "End tag (%(name)s) violates step 1, " + "paragraph 2 of the adoption agency algorithm.", + "adoption-agency-1.3": + "End tag (%(name)s) violates step 1, " + "paragraph 3 of the adoption agency algorithm.", + "adoption-agency-4.4": + "End tag (%(name)s) violates step 4, " + "paragraph 4 of the adoption agency algorithm.", + "unexpected-end-tag-treated-as": + "Unexpected end tag (%(originalName)s). Treated as %(newName)s.", + "no-end-tag": + "This element (%(name)s) has no end tag.", + "unexpected-implied-end-tag-in-table": + "Unexpected implied end tag (%(name)s) in the table phase.", + "unexpected-implied-end-tag-in-table-body": + "Unexpected implied end tag (%(name)s) in the table body phase.", + "unexpected-char-implies-table-voodoo": + "Unexpected non-space characters in " + "table context caused voodoo mode.", + "unexpected-hidden-input-in-table": + "Unexpected input with type hidden in table context.", + "unexpected-form-in-table": + "Unexpected form in table context.", + "unexpected-start-tag-implies-table-voodoo": + "Unexpected start tag (%(name)s) in " + "table context caused voodoo mode.", + "unexpected-end-tag-implies-table-voodoo": + "Unexpected end tag (%(name)s) in " + "table context caused voodoo mode.", + "unexpected-cell-in-table-body": + "Unexpected table cell start tag (%(name)s) " + "in the table body phase.", + "unexpected-cell-end-tag": + "Got table cell end tag (%(name)s) " + "while required end tags are missing.", + "unexpected-end-tag-in-table-body": + "Unexpected end tag (%(name)s) in the table body phase. Ignored.", + "unexpected-implied-end-tag-in-table-row": + "Unexpected implied end tag (%(name)s) in the table row phase.", + "unexpected-end-tag-in-table-row": + "Unexpected end tag (%(name)s) in the table row phase. Ignored.", + "unexpected-select-in-select": + "Unexpected select start tag in the select phase " + "treated as select end tag.", + "unexpected-input-in-select": + "Unexpected input start tag in the select phase.", + "unexpected-start-tag-in-select": + "Unexpected start tag token (%(name)s in the select phase. " + "Ignored.", + "unexpected-end-tag-in-select": + "Unexpected end tag (%(name)s) in the select phase. Ignored.", + "unexpected-table-element-start-tag-in-select-in-table": + "Unexpected table element start tag (%(name)s) in the select in table phase.", + "unexpected-table-element-end-tag-in-select-in-table": + "Unexpected table element end tag (%(name)s) in the select in table phase.", + "unexpected-char-after-body": + "Unexpected non-space characters in the after body phase.", + "unexpected-start-tag-after-body": + "Unexpected start tag token (%(name)s)" + " in the after body phase.", + "unexpected-end-tag-after-body": + "Unexpected end tag token (%(name)s)" + " in the after body phase.", + "unexpected-char-in-frameset": + "Unexpected characters in the frameset phase. Characters ignored.", + "unexpected-start-tag-in-frameset": + "Unexpected start tag token (%(name)s)" + " in the frameset phase. Ignored.", + "unexpected-frameset-in-frameset-innerhtml": + "Unexpected end tag token (frameset) " + "in the frameset phase (innerHTML).", + "unexpected-end-tag-in-frameset": + "Unexpected end tag token (%(name)s)" + " in the frameset phase. Ignored.", + "unexpected-char-after-frameset": + "Unexpected non-space characters in the " + "after frameset phase. Ignored.", + "unexpected-start-tag-after-frameset": + "Unexpected start tag (%(name)s)" + " in the after frameset phase. Ignored.", + "unexpected-end-tag-after-frameset": + "Unexpected end tag (%(name)s)" + " in the after frameset phase. Ignored.", + "unexpected-end-tag-after-body-innerhtml": + "Unexpected end tag after body(innerHtml)", + "expected-eof-but-got-char": + "Unexpected non-space characters. Expected end of file.", + "expected-eof-but-got-start-tag": + "Unexpected start tag (%(name)s)" + ". Expected end of file.", + "expected-eof-but-got-end-tag": + "Unexpected end tag (%(name)s)" + ". Expected end of file.", + "eof-in-table": + "Unexpected end of file. Expected table content.", + "eof-in-select": + "Unexpected end of file. Expected select content.", + "eof-in-frameset": + "Unexpected end of file. Expected frameset content.", + "eof-in-script-in-script": + "Unexpected end of file. Expected script content.", + "eof-in-foreign-lands": + "Unexpected end of file. Expected foreign content", + "non-void-element-with-trailing-solidus": + "Trailing solidus not allowed on element %(name)s", + "unexpected-html-element-in-foreign-content": + "Element %(name)s not allowed in a non-html context", + "unexpected-end-tag-before-html": + "Unexpected end tag (%(name)s) before html.", + "unexpected-inhead-noscript-tag": + "Element %(name)s not allowed in a inhead-noscript context", + "eof-in-head-noscript": + "Unexpected end of file. Expected inhead-noscript content", + "char-in-head-noscript": + "Unexpected non-space character. Expected inhead-noscript content", + "XXX-undefined-error": + "Undefined error (this sucks and should be fixed)", +} + +namespaces = { + "html": "http://www.w3.org/1999/xhtml", + "mathml": "http://www.w3.org/1998/Math/MathML", + "svg": "http://www.w3.org/2000/svg", + "xlink": "http://www.w3.org/1999/xlink", + "xml": "http://www.w3.org/XML/1998/namespace", + "xmlns": "http://www.w3.org/2000/xmlns/" +} + +scopingElements = frozenset([ + (namespaces["html"], "applet"), + (namespaces["html"], "caption"), + (namespaces["html"], "html"), + (namespaces["html"], "marquee"), + (namespaces["html"], "object"), + (namespaces["html"], "table"), + (namespaces["html"], "td"), + (namespaces["html"], "th"), + (namespaces["mathml"], "mi"), + (namespaces["mathml"], "mo"), + (namespaces["mathml"], "mn"), + (namespaces["mathml"], "ms"), + (namespaces["mathml"], "mtext"), + (namespaces["mathml"], "annotation-xml"), + (namespaces["svg"], "foreignObject"), + (namespaces["svg"], "desc"), + (namespaces["svg"], "title"), +]) + +formattingElements = frozenset([ + (namespaces["html"], "a"), + (namespaces["html"], "b"), + (namespaces["html"], "big"), + (namespaces["html"], "code"), + (namespaces["html"], "em"), + (namespaces["html"], "font"), + (namespaces["html"], "i"), + (namespaces["html"], "nobr"), + (namespaces["html"], "s"), + (namespaces["html"], "small"), + (namespaces["html"], "strike"), + (namespaces["html"], "strong"), + (namespaces["html"], "tt"), + (namespaces["html"], "u") +]) + +specialElements = frozenset([ + (namespaces["html"], "address"), + (namespaces["html"], "applet"), + (namespaces["html"], "area"), + (namespaces["html"], "article"), + (namespaces["html"], "aside"), + (namespaces["html"], "base"), + (namespaces["html"], "basefont"), + (namespaces["html"], "bgsound"), + (namespaces["html"], "blockquote"), + (namespaces["html"], "body"), + (namespaces["html"], "br"), + (namespaces["html"], "button"), + (namespaces["html"], "caption"), + (namespaces["html"], "center"), + (namespaces["html"], "col"), + (namespaces["html"], "colgroup"), + (namespaces["html"], "command"), + (namespaces["html"], "dd"), + (namespaces["html"], "details"), + (namespaces["html"], "dir"), + (namespaces["html"], "div"), + (namespaces["html"], "dl"), + (namespaces["html"], "dt"), + (namespaces["html"], "embed"), + (namespaces["html"], "fieldset"), + (namespaces["html"], "figure"), + (namespaces["html"], "footer"), + (namespaces["html"], "form"), + (namespaces["html"], "frame"), + (namespaces["html"], "frameset"), + (namespaces["html"], "h1"), + (namespaces["html"], "h2"), + (namespaces["html"], "h3"), + (namespaces["html"], "h4"), + (namespaces["html"], "h5"), + (namespaces["html"], "h6"), + (namespaces["html"], "head"), + (namespaces["html"], "header"), + (namespaces["html"], "hr"), + (namespaces["html"], "html"), + (namespaces["html"], "iframe"), + # Note that image is commented out in the spec as "this isn't an + # element that can end up on the stack, so it doesn't matter," + (namespaces["html"], "image"), + (namespaces["html"], "img"), + (namespaces["html"], "input"), + (namespaces["html"], "isindex"), + (namespaces["html"], "li"), + (namespaces["html"], "link"), + (namespaces["html"], "listing"), + (namespaces["html"], "marquee"), + (namespaces["html"], "menu"), + (namespaces["html"], "meta"), + (namespaces["html"], "nav"), + (namespaces["html"], "noembed"), + (namespaces["html"], "noframes"), + (namespaces["html"], "noscript"), + (namespaces["html"], "object"), + (namespaces["html"], "ol"), + (namespaces["html"], "p"), + (namespaces["html"], "param"), + (namespaces["html"], "plaintext"), + (namespaces["html"], "pre"), + (namespaces["html"], "script"), + (namespaces["html"], "section"), + (namespaces["html"], "select"), + (namespaces["html"], "style"), + (namespaces["html"], "table"), + (namespaces["html"], "tbody"), + (namespaces["html"], "td"), + (namespaces["html"], "textarea"), + (namespaces["html"], "tfoot"), + (namespaces["html"], "th"), + (namespaces["html"], "thead"), + (namespaces["html"], "title"), + (namespaces["html"], "tr"), + (namespaces["html"], "ul"), + (namespaces["html"], "wbr"), + (namespaces["html"], "xmp"), + (namespaces["svg"], "foreignObject") +]) + +htmlIntegrationPointElements = frozenset([ + (namespaces["mathml"], "annotation-xml"), + (namespaces["svg"], "foreignObject"), + (namespaces["svg"], "desc"), + (namespaces["svg"], "title") +]) + +mathmlTextIntegrationPointElements = frozenset([ + (namespaces["mathml"], "mi"), + (namespaces["mathml"], "mo"), + (namespaces["mathml"], "mn"), + (namespaces["mathml"], "ms"), + (namespaces["mathml"], "mtext") +]) + +adjustSVGAttributes = { + "attributename": "attributeName", + "attributetype": "attributeType", + "basefrequency": "baseFrequency", + "baseprofile": "baseProfile", + "calcmode": "calcMode", + "clippathunits": "clipPathUnits", + "contentscripttype": "contentScriptType", + "contentstyletype": "contentStyleType", + "diffuseconstant": "diffuseConstant", + "edgemode": "edgeMode", + "externalresourcesrequired": "externalResourcesRequired", + "filterres": "filterRes", + "filterunits": "filterUnits", + "glyphref": "glyphRef", + "gradienttransform": "gradientTransform", + "gradientunits": "gradientUnits", + "kernelmatrix": "kernelMatrix", + "kernelunitlength": "kernelUnitLength", + "keypoints": "keyPoints", + "keysplines": "keySplines", + "keytimes": "keyTimes", + "lengthadjust": "lengthAdjust", + "limitingconeangle": "limitingConeAngle", + "markerheight": "markerHeight", + "markerunits": "markerUnits", + "markerwidth": "markerWidth", + "maskcontentunits": "maskContentUnits", + "maskunits": "maskUnits", + "numoctaves": "numOctaves", + "pathlength": "pathLength", + "patterncontentunits": "patternContentUnits", + "patterntransform": "patternTransform", + "patternunits": "patternUnits", + "pointsatx": "pointsAtX", + "pointsaty": "pointsAtY", + "pointsatz": "pointsAtZ", + "preservealpha": "preserveAlpha", + "preserveaspectratio": "preserveAspectRatio", + "primitiveunits": "primitiveUnits", + "refx": "refX", + "refy": "refY", + "repeatcount": "repeatCount", + "repeatdur": "repeatDur", + "requiredextensions": "requiredExtensions", + "requiredfeatures": "requiredFeatures", + "specularconstant": "specularConstant", + "specularexponent": "specularExponent", + "spreadmethod": "spreadMethod", + "startoffset": "startOffset", + "stddeviation": "stdDeviation", + "stitchtiles": "stitchTiles", + "surfacescale": "surfaceScale", + "systemlanguage": "systemLanguage", + "tablevalues": "tableValues", + "targetx": "targetX", + "targety": "targetY", + "textlength": "textLength", + "viewbox": "viewBox", + "viewtarget": "viewTarget", + "xchannelselector": "xChannelSelector", + "ychannelselector": "yChannelSelector", + "zoomandpan": "zoomAndPan" +} + +adjustMathMLAttributes = {"definitionurl": "definitionURL"} + +adjustForeignAttributes = { + "xlink:actuate": ("xlink", "actuate", namespaces["xlink"]), + "xlink:arcrole": ("xlink", "arcrole", namespaces["xlink"]), + "xlink:href": ("xlink", "href", namespaces["xlink"]), + "xlink:role": ("xlink", "role", namespaces["xlink"]), + "xlink:show": ("xlink", "show", namespaces["xlink"]), + "xlink:title": ("xlink", "title", namespaces["xlink"]), + "xlink:type": ("xlink", "type", namespaces["xlink"]), + "xml:base": ("xml", "base", namespaces["xml"]), + "xml:lang": ("xml", "lang", namespaces["xml"]), + "xml:space": ("xml", "space", namespaces["xml"]), + "xmlns": (None, "xmlns", namespaces["xmlns"]), + "xmlns:xlink": ("xmlns", "xlink", namespaces["xmlns"]) +} + +unadjustForeignAttributes = dict([((ns, local), qname) for qname, (prefix, local, ns) in + adjustForeignAttributes.items()]) + +spaceCharacters = frozenset([ + "\t", + "\n", + "\u000C", + " ", + "\r" +]) + +tableInsertModeElements = frozenset([ + "table", + "tbody", + "tfoot", + "thead", + "tr" +]) + +asciiLowercase = frozenset(string.ascii_lowercase) +asciiUppercase = frozenset(string.ascii_uppercase) +asciiLetters = frozenset(string.ascii_letters) +digits = frozenset(string.digits) +hexDigits = frozenset(string.hexdigits) + +asciiUpper2Lower = dict([(ord(c), ord(c.lower())) + for c in string.ascii_uppercase]) + +# Heading elements need to be ordered +headingElements = ( + "h1", + "h2", + "h3", + "h4", + "h5", + "h6" +) + +voidElements = frozenset([ + "base", + "command", + "event-source", + "link", + "meta", + "hr", + "br", + "img", + "embed", + "param", + "area", + "col", + "input", + "source", + "track" +]) + +cdataElements = frozenset(['title', 'textarea']) + +rcdataElements = frozenset([ + 'style', + 'script', + 'xmp', + 'iframe', + 'noembed', + 'noframes', + 'noscript' +]) + +booleanAttributes = { + "": frozenset(["irrelevant", "itemscope"]), + "style": frozenset(["scoped"]), + "img": frozenset(["ismap"]), + "audio": frozenset(["autoplay", "controls"]), + "video": frozenset(["autoplay", "controls"]), + "script": frozenset(["defer", "async"]), + "details": frozenset(["open"]), + "datagrid": frozenset(["multiple", "disabled"]), + "command": frozenset(["hidden", "disabled", "checked", "default"]), + "hr": frozenset(["noshade"]), + "menu": frozenset(["autosubmit"]), + "fieldset": frozenset(["disabled", "readonly"]), + "option": frozenset(["disabled", "readonly", "selected"]), + "optgroup": frozenset(["disabled", "readonly"]), + "button": frozenset(["disabled", "autofocus"]), + "input": frozenset(["disabled", "readonly", "required", "autofocus", "checked", "ismap"]), + "select": frozenset(["disabled", "readonly", "autofocus", "multiple"]), + "output": frozenset(["disabled", "readonly"]), + "iframe": frozenset(["seamless"]), +} + +# entitiesWindows1252 has to be _ordered_ and needs to have an index. It +# therefore can't be a frozenset. +entitiesWindows1252 = ( + 8364, # 0x80 0x20AC EURO SIGN + 65533, # 0x81 UNDEFINED + 8218, # 0x82 0x201A SINGLE LOW-9 QUOTATION MARK + 402, # 0x83 0x0192 LATIN SMALL LETTER F WITH HOOK + 8222, # 0x84 0x201E DOUBLE LOW-9 QUOTATION MARK + 8230, # 0x85 0x2026 HORIZONTAL ELLIPSIS + 8224, # 0x86 0x2020 DAGGER + 8225, # 0x87 0x2021 DOUBLE DAGGER + 710, # 0x88 0x02C6 MODIFIER LETTER CIRCUMFLEX ACCENT + 8240, # 0x89 0x2030 PER MILLE SIGN + 352, # 0x8A 0x0160 LATIN CAPITAL LETTER S WITH CARON + 8249, # 0x8B 0x2039 SINGLE LEFT-POINTING ANGLE QUOTATION MARK + 338, # 0x8C 0x0152 LATIN CAPITAL LIGATURE OE + 65533, # 0x8D UNDEFINED + 381, # 0x8E 0x017D LATIN CAPITAL LETTER Z WITH CARON + 65533, # 0x8F UNDEFINED + 65533, # 0x90 UNDEFINED + 8216, # 0x91 0x2018 LEFT SINGLE QUOTATION MARK + 8217, # 0x92 0x2019 RIGHT SINGLE QUOTATION MARK + 8220, # 0x93 0x201C LEFT DOUBLE QUOTATION MARK + 8221, # 0x94 0x201D RIGHT DOUBLE QUOTATION MARK + 8226, # 0x95 0x2022 BULLET + 8211, # 0x96 0x2013 EN DASH + 8212, # 0x97 0x2014 EM DASH + 732, # 0x98 0x02DC SMALL TILDE + 8482, # 0x99 0x2122 TRADE MARK SIGN + 353, # 0x9A 0x0161 LATIN SMALL LETTER S WITH CARON + 8250, # 0x9B 0x203A SINGLE RIGHT-POINTING ANGLE QUOTATION MARK + 339, # 0x9C 0x0153 LATIN SMALL LIGATURE OE + 65533, # 0x9D UNDEFINED + 382, # 0x9E 0x017E LATIN SMALL LETTER Z WITH CARON + 376 # 0x9F 0x0178 LATIN CAPITAL LETTER Y WITH DIAERESIS +) + +xmlEntities = frozenset(['lt;', 'gt;', 'amp;', 'apos;', 'quot;']) + +entities = { + "AElig": "\xc6", + "AElig;": "\xc6", + "AMP": "&", + "AMP;": "&", + "Aacute": "\xc1", + "Aacute;": "\xc1", + "Abreve;": "\u0102", + "Acirc": "\xc2", + "Acirc;": "\xc2", + "Acy;": "\u0410", + "Afr;": "\U0001d504", + "Agrave": "\xc0", + "Agrave;": "\xc0", + "Alpha;": "\u0391", + "Amacr;": "\u0100", + "And;": "\u2a53", + "Aogon;": "\u0104", + "Aopf;": "\U0001d538", + "ApplyFunction;": "\u2061", + "Aring": "\xc5", + "Aring;": "\xc5", + "Ascr;": "\U0001d49c", + "Assign;": "\u2254", + "Atilde": "\xc3", + "Atilde;": "\xc3", + "Auml": "\xc4", + "Auml;": "\xc4", + "Backslash;": "\u2216", + "Barv;": "\u2ae7", + "Barwed;": "\u2306", + "Bcy;": "\u0411", + "Because;": "\u2235", + "Bernoullis;": "\u212c", + "Beta;": "\u0392", + "Bfr;": "\U0001d505", + "Bopf;": "\U0001d539", + "Breve;": "\u02d8", + "Bscr;": "\u212c", + "Bumpeq;": "\u224e", + "CHcy;": "\u0427", + "COPY": "\xa9", + "COPY;": "\xa9", + "Cacute;": "\u0106", + "Cap;": "\u22d2", + "CapitalDifferentialD;": "\u2145", + "Cayleys;": "\u212d", + "Ccaron;": "\u010c", + "Ccedil": "\xc7", + "Ccedil;": "\xc7", + "Ccirc;": "\u0108", + "Cconint;": "\u2230", + "Cdot;": "\u010a", + "Cedilla;": "\xb8", + "CenterDot;": "\xb7", + "Cfr;": "\u212d", + "Chi;": "\u03a7", + "CircleDot;": "\u2299", + "CircleMinus;": "\u2296", + "CirclePlus;": "\u2295", + "CircleTimes;": "\u2297", + "ClockwiseContourIntegral;": "\u2232", + "CloseCurlyDoubleQuote;": "\u201d", + "CloseCurlyQuote;": "\u2019", + "Colon;": "\u2237", + "Colone;": "\u2a74", + "Congruent;": "\u2261", + "Conint;": "\u222f", + "ContourIntegral;": "\u222e", + "Copf;": "\u2102", + "Coproduct;": "\u2210", + "CounterClockwiseContourIntegral;": "\u2233", + "Cross;": "\u2a2f", + "Cscr;": "\U0001d49e", + "Cup;": "\u22d3", + "CupCap;": "\u224d", + "DD;": "\u2145", + "DDotrahd;": "\u2911", + "DJcy;": "\u0402", + "DScy;": "\u0405", + "DZcy;": "\u040f", + "Dagger;": "\u2021", + "Darr;": "\u21a1", + "Dashv;": "\u2ae4", + "Dcaron;": "\u010e", + "Dcy;": "\u0414", + "Del;": "\u2207", + "Delta;": "\u0394", + "Dfr;": "\U0001d507", + "DiacriticalAcute;": "\xb4", + "DiacriticalDot;": "\u02d9", + "DiacriticalDoubleAcute;": "\u02dd", + "DiacriticalGrave;": "`", + "DiacriticalTilde;": "\u02dc", + "Diamond;": "\u22c4", + "DifferentialD;": "\u2146", + "Dopf;": "\U0001d53b", + "Dot;": "\xa8", + "DotDot;": "\u20dc", + "DotEqual;": "\u2250", + "DoubleContourIntegral;": "\u222f", + "DoubleDot;": "\xa8", + "DoubleDownArrow;": "\u21d3", + "DoubleLeftArrow;": "\u21d0", + "DoubleLeftRightArrow;": "\u21d4", + "DoubleLeftTee;": "\u2ae4", + "DoubleLongLeftArrow;": "\u27f8", + "DoubleLongLeftRightArrow;": "\u27fa", + "DoubleLongRightArrow;": "\u27f9", + "DoubleRightArrow;": "\u21d2", + "DoubleRightTee;": "\u22a8", + "DoubleUpArrow;": "\u21d1", + "DoubleUpDownArrow;": "\u21d5", + "DoubleVerticalBar;": "\u2225", + "DownArrow;": "\u2193", + "DownArrowBar;": "\u2913", + "DownArrowUpArrow;": "\u21f5", + "DownBreve;": "\u0311", + "DownLeftRightVector;": "\u2950", + "DownLeftTeeVector;": "\u295e", + "DownLeftVector;": "\u21bd", + "DownLeftVectorBar;": "\u2956", + "DownRightTeeVector;": "\u295f", + "DownRightVector;": "\u21c1", + "DownRightVectorBar;": "\u2957", + "DownTee;": "\u22a4", + "DownTeeArrow;": "\u21a7", + "Downarrow;": "\u21d3", + "Dscr;": "\U0001d49f", + "Dstrok;": "\u0110", + "ENG;": "\u014a", + "ETH": "\xd0", + "ETH;": "\xd0", + "Eacute": "\xc9", + "Eacute;": "\xc9", + "Ecaron;": "\u011a", + "Ecirc": "\xca", + "Ecirc;": "\xca", + "Ecy;": "\u042d", + "Edot;": "\u0116", + "Efr;": "\U0001d508", + "Egrave": "\xc8", + "Egrave;": "\xc8", + "Element;": "\u2208", + "Emacr;": "\u0112", + "EmptySmallSquare;": "\u25fb", + "EmptyVerySmallSquare;": "\u25ab", + "Eogon;": "\u0118", + "Eopf;": "\U0001d53c", + "Epsilon;": "\u0395", + "Equal;": "\u2a75", + "EqualTilde;": "\u2242", + "Equilibrium;": "\u21cc", + "Escr;": "\u2130", + "Esim;": "\u2a73", + "Eta;": "\u0397", + "Euml": "\xcb", + "Euml;": "\xcb", + "Exists;": "\u2203", + "ExponentialE;": "\u2147", + "Fcy;": "\u0424", + "Ffr;": "\U0001d509", + "FilledSmallSquare;": "\u25fc", + "FilledVerySmallSquare;": "\u25aa", + "Fopf;": "\U0001d53d", + "ForAll;": "\u2200", + "Fouriertrf;": "\u2131", + "Fscr;": "\u2131", + "GJcy;": "\u0403", + "GT": ">", + "GT;": ">", + "Gamma;": "\u0393", + "Gammad;": "\u03dc", + "Gbreve;": "\u011e", + "Gcedil;": "\u0122", + "Gcirc;": "\u011c", + "Gcy;": "\u0413", + "Gdot;": "\u0120", + "Gfr;": "\U0001d50a", + "Gg;": "\u22d9", + "Gopf;": "\U0001d53e", + "GreaterEqual;": "\u2265", + "GreaterEqualLess;": "\u22db", + "GreaterFullEqual;": "\u2267", + "GreaterGreater;": "\u2aa2", + "GreaterLess;": "\u2277", + "GreaterSlantEqual;": "\u2a7e", + "GreaterTilde;": "\u2273", + "Gscr;": "\U0001d4a2", + "Gt;": "\u226b", + "HARDcy;": "\u042a", + "Hacek;": "\u02c7", + "Hat;": "^", + "Hcirc;": "\u0124", + "Hfr;": "\u210c", + "HilbertSpace;": "\u210b", + "Hopf;": "\u210d", + "HorizontalLine;": "\u2500", + "Hscr;": "\u210b", + "Hstrok;": "\u0126", + "HumpDownHump;": "\u224e", + "HumpEqual;": "\u224f", + "IEcy;": "\u0415", + "IJlig;": "\u0132", + "IOcy;": "\u0401", + "Iacute": "\xcd", + "Iacute;": "\xcd", + "Icirc": "\xce", + "Icirc;": "\xce", + "Icy;": "\u0418", + "Idot;": "\u0130", + "Ifr;": "\u2111", + "Igrave": "\xcc", + "Igrave;": "\xcc", + "Im;": "\u2111", + "Imacr;": "\u012a", + "ImaginaryI;": "\u2148", + "Implies;": "\u21d2", + "Int;": "\u222c", + "Integral;": "\u222b", + "Intersection;": "\u22c2", + "InvisibleComma;": "\u2063", + "InvisibleTimes;": "\u2062", + "Iogon;": "\u012e", + "Iopf;": "\U0001d540", + "Iota;": "\u0399", + "Iscr;": "\u2110", + "Itilde;": "\u0128", + "Iukcy;": "\u0406", + "Iuml": "\xcf", + "Iuml;": "\xcf", + "Jcirc;": "\u0134", + "Jcy;": "\u0419", + "Jfr;": "\U0001d50d", + "Jopf;": "\U0001d541", + "Jscr;": "\U0001d4a5", + "Jsercy;": "\u0408", + "Jukcy;": "\u0404", + "KHcy;": "\u0425", + "KJcy;": "\u040c", + "Kappa;": "\u039a", + "Kcedil;": "\u0136", + "Kcy;": "\u041a", + "Kfr;": "\U0001d50e", + "Kopf;": "\U0001d542", + "Kscr;": "\U0001d4a6", + "LJcy;": "\u0409", + "LT": "<", + "LT;": "<", + "Lacute;": "\u0139", + "Lambda;": "\u039b", + "Lang;": "\u27ea", + "Laplacetrf;": "\u2112", + "Larr;": "\u219e", + "Lcaron;": "\u013d", + "Lcedil;": "\u013b", + "Lcy;": "\u041b", + "LeftAngleBracket;": "\u27e8", + "LeftArrow;": "\u2190", + "LeftArrowBar;": "\u21e4", + "LeftArrowRightArrow;": "\u21c6", + "LeftCeiling;": "\u2308", + "LeftDoubleBracket;": "\u27e6", + "LeftDownTeeVector;": "\u2961", + "LeftDownVector;": "\u21c3", + "LeftDownVectorBar;": "\u2959", + "LeftFloor;": "\u230a", + "LeftRightArrow;": "\u2194", + "LeftRightVector;": "\u294e", + "LeftTee;": "\u22a3", + "LeftTeeArrow;": "\u21a4", + "LeftTeeVector;": "\u295a", + "LeftTriangle;": "\u22b2", + "LeftTriangleBar;": "\u29cf", + "LeftTriangleEqual;": "\u22b4", + "LeftUpDownVector;": "\u2951", + "LeftUpTeeVector;": "\u2960", + "LeftUpVector;": "\u21bf", + "LeftUpVectorBar;": "\u2958", + "LeftVector;": "\u21bc", + "LeftVectorBar;": "\u2952", + "Leftarrow;": "\u21d0", + "Leftrightarrow;": "\u21d4", + "LessEqualGreater;": "\u22da", + "LessFullEqual;": "\u2266", + "LessGreater;": "\u2276", + "LessLess;": "\u2aa1", + "LessSlantEqual;": "\u2a7d", + "LessTilde;": "\u2272", + "Lfr;": "\U0001d50f", + "Ll;": "\u22d8", + "Lleftarrow;": "\u21da", + "Lmidot;": "\u013f", + "LongLeftArrow;": "\u27f5", + "LongLeftRightArrow;": "\u27f7", + "LongRightArrow;": "\u27f6", + "Longleftarrow;": "\u27f8", + "Longleftrightarrow;": "\u27fa", + "Longrightarrow;": "\u27f9", + "Lopf;": "\U0001d543", + "LowerLeftArrow;": "\u2199", + "LowerRightArrow;": "\u2198", + "Lscr;": "\u2112", + "Lsh;": "\u21b0", + "Lstrok;": "\u0141", + "Lt;": "\u226a", + "Map;": "\u2905", + "Mcy;": "\u041c", + "MediumSpace;": "\u205f", + "Mellintrf;": "\u2133", + "Mfr;": "\U0001d510", + "MinusPlus;": "\u2213", + "Mopf;": "\U0001d544", + "Mscr;": "\u2133", + "Mu;": "\u039c", + "NJcy;": "\u040a", + "Nacute;": "\u0143", + "Ncaron;": "\u0147", + "Ncedil;": "\u0145", + "Ncy;": "\u041d", + "NegativeMediumSpace;": "\u200b", + "NegativeThickSpace;": "\u200b", + "NegativeThinSpace;": "\u200b", + "NegativeVeryThinSpace;": "\u200b", + "NestedGreaterGreater;": "\u226b", + "NestedLessLess;": "\u226a", + "NewLine;": "\n", + "Nfr;": "\U0001d511", + "NoBreak;": "\u2060", + "NonBreakingSpace;": "\xa0", + "Nopf;": "\u2115", + "Not;": "\u2aec", + "NotCongruent;": "\u2262", + "NotCupCap;": "\u226d", + "NotDoubleVerticalBar;": "\u2226", + "NotElement;": "\u2209", + "NotEqual;": "\u2260", + "NotEqualTilde;": "\u2242\u0338", + "NotExists;": "\u2204", + "NotGreater;": "\u226f", + "NotGreaterEqual;": "\u2271", + "NotGreaterFullEqual;": "\u2267\u0338", + "NotGreaterGreater;": "\u226b\u0338", + "NotGreaterLess;": "\u2279", + "NotGreaterSlantEqual;": "\u2a7e\u0338", + "NotGreaterTilde;": "\u2275", + "NotHumpDownHump;": "\u224e\u0338", + "NotHumpEqual;": "\u224f\u0338", + "NotLeftTriangle;": "\u22ea", + "NotLeftTriangleBar;": "\u29cf\u0338", + "NotLeftTriangleEqual;": "\u22ec", + "NotLess;": "\u226e", + "NotLessEqual;": "\u2270", + "NotLessGreater;": "\u2278", + "NotLessLess;": "\u226a\u0338", + "NotLessSlantEqual;": "\u2a7d\u0338", + "NotLessTilde;": "\u2274", + "NotNestedGreaterGreater;": "\u2aa2\u0338", + "NotNestedLessLess;": "\u2aa1\u0338", + "NotPrecedes;": "\u2280", + "NotPrecedesEqual;": "\u2aaf\u0338", + "NotPrecedesSlantEqual;": "\u22e0", + "NotReverseElement;": "\u220c", + "NotRightTriangle;": "\u22eb", + "NotRightTriangleBar;": "\u29d0\u0338", + "NotRightTriangleEqual;": "\u22ed", + "NotSquareSubset;": "\u228f\u0338", + "NotSquareSubsetEqual;": "\u22e2", + "NotSquareSuperset;": "\u2290\u0338", + "NotSquareSupersetEqual;": "\u22e3", + "NotSubset;": "\u2282\u20d2", + "NotSubsetEqual;": "\u2288", + "NotSucceeds;": "\u2281", + "NotSucceedsEqual;": "\u2ab0\u0338", + "NotSucceedsSlantEqual;": "\u22e1", + "NotSucceedsTilde;": "\u227f\u0338", + "NotSuperset;": "\u2283\u20d2", + "NotSupersetEqual;": "\u2289", + "NotTilde;": "\u2241", + "NotTildeEqual;": "\u2244", + "NotTildeFullEqual;": "\u2247", + "NotTildeTilde;": "\u2249", + "NotVerticalBar;": "\u2224", + "Nscr;": "\U0001d4a9", + "Ntilde": "\xd1", + "Ntilde;": "\xd1", + "Nu;": "\u039d", + "OElig;": "\u0152", + "Oacute": "\xd3", + "Oacute;": "\xd3", + "Ocirc": "\xd4", + "Ocirc;": "\xd4", + "Ocy;": "\u041e", + "Odblac;": "\u0150", + "Ofr;": "\U0001d512", + "Ograve": "\xd2", + "Ograve;": "\xd2", + "Omacr;": "\u014c", + "Omega;": "\u03a9", + "Omicron;": "\u039f", + "Oopf;": "\U0001d546", + "OpenCurlyDoubleQuote;": "\u201c", + "OpenCurlyQuote;": "\u2018", + "Or;": "\u2a54", + "Oscr;": "\U0001d4aa", + "Oslash": "\xd8", + "Oslash;": "\xd8", + "Otilde": "\xd5", + "Otilde;": "\xd5", + "Otimes;": "\u2a37", + "Ouml": "\xd6", + "Ouml;": "\xd6", + "OverBar;": "\u203e", + "OverBrace;": "\u23de", + "OverBracket;": "\u23b4", + "OverParenthesis;": "\u23dc", + "PartialD;": "\u2202", + "Pcy;": "\u041f", + "Pfr;": "\U0001d513", + "Phi;": "\u03a6", + "Pi;": "\u03a0", + "PlusMinus;": "\xb1", + "Poincareplane;": "\u210c", + "Popf;": "\u2119", + "Pr;": "\u2abb", + "Precedes;": "\u227a", + "PrecedesEqual;": "\u2aaf", + "PrecedesSlantEqual;": "\u227c", + "PrecedesTilde;": "\u227e", + "Prime;": "\u2033", + "Product;": "\u220f", + "Proportion;": "\u2237", + "Proportional;": "\u221d", + "Pscr;": "\U0001d4ab", + "Psi;": "\u03a8", + "QUOT": "\"", + "QUOT;": "\"", + "Qfr;": "\U0001d514", + "Qopf;": "\u211a", + "Qscr;": "\U0001d4ac", + "RBarr;": "\u2910", + "REG": "\xae", + "REG;": "\xae", + "Racute;": "\u0154", + "Rang;": "\u27eb", + "Rarr;": "\u21a0", + "Rarrtl;": "\u2916", + "Rcaron;": "\u0158", + "Rcedil;": "\u0156", + "Rcy;": "\u0420", + "Re;": "\u211c", + "ReverseElement;": "\u220b", + "ReverseEquilibrium;": "\u21cb", + "ReverseUpEquilibrium;": "\u296f", + "Rfr;": "\u211c", + "Rho;": "\u03a1", + "RightAngleBracket;": "\u27e9", + "RightArrow;": "\u2192", + "RightArrowBar;": "\u21e5", + "RightArrowLeftArrow;": "\u21c4", + "RightCeiling;": "\u2309", + "RightDoubleBracket;": "\u27e7", + "RightDownTeeVector;": "\u295d", + "RightDownVector;": "\u21c2", + "RightDownVectorBar;": "\u2955", + "RightFloor;": "\u230b", + "RightTee;": "\u22a2", + "RightTeeArrow;": "\u21a6", + "RightTeeVector;": "\u295b", + "RightTriangle;": "\u22b3", + "RightTriangleBar;": "\u29d0", + "RightTriangleEqual;": "\u22b5", + "RightUpDownVector;": "\u294f", + "RightUpTeeVector;": "\u295c", + "RightUpVector;": "\u21be", + "RightUpVectorBar;": "\u2954", + "RightVector;": "\u21c0", + "RightVectorBar;": "\u2953", + "Rightarrow;": "\u21d2", + "Ropf;": "\u211d", + "RoundImplies;": "\u2970", + "Rrightarrow;": "\u21db", + "Rscr;": "\u211b", + "Rsh;": "\u21b1", + "RuleDelayed;": "\u29f4", + "SHCHcy;": "\u0429", + "SHcy;": "\u0428", + "SOFTcy;": "\u042c", + "Sacute;": "\u015a", + "Sc;": "\u2abc", + "Scaron;": "\u0160", + "Scedil;": "\u015e", + "Scirc;": "\u015c", + "Scy;": "\u0421", + "Sfr;": "\U0001d516", + "ShortDownArrow;": "\u2193", + "ShortLeftArrow;": "\u2190", + "ShortRightArrow;": "\u2192", + "ShortUpArrow;": "\u2191", + "Sigma;": "\u03a3", + "SmallCircle;": "\u2218", + "Sopf;": "\U0001d54a", + "Sqrt;": "\u221a", + "Square;": "\u25a1", + "SquareIntersection;": "\u2293", + "SquareSubset;": "\u228f", + "SquareSubsetEqual;": "\u2291", + "SquareSuperset;": "\u2290", + "SquareSupersetEqual;": "\u2292", + "SquareUnion;": "\u2294", + "Sscr;": "\U0001d4ae", + "Star;": "\u22c6", + "Sub;": "\u22d0", + "Subset;": "\u22d0", + "SubsetEqual;": "\u2286", + "Succeeds;": "\u227b", + "SucceedsEqual;": "\u2ab0", + "SucceedsSlantEqual;": "\u227d", + "SucceedsTilde;": "\u227f", + "SuchThat;": "\u220b", + "Sum;": "\u2211", + "Sup;": "\u22d1", + "Superset;": "\u2283", + "SupersetEqual;": "\u2287", + "Supset;": "\u22d1", + "THORN": "\xde", + "THORN;": "\xde", + "TRADE;": "\u2122", + "TSHcy;": "\u040b", + "TScy;": "\u0426", + "Tab;": "\t", + "Tau;": "\u03a4", + "Tcaron;": "\u0164", + "Tcedil;": "\u0162", + "Tcy;": "\u0422", + "Tfr;": "\U0001d517", + "Therefore;": "\u2234", + "Theta;": "\u0398", + "ThickSpace;": "\u205f\u200a", + "ThinSpace;": "\u2009", + "Tilde;": "\u223c", + "TildeEqual;": "\u2243", + "TildeFullEqual;": "\u2245", + "TildeTilde;": "\u2248", + "Topf;": "\U0001d54b", + "TripleDot;": "\u20db", + "Tscr;": "\U0001d4af", + "Tstrok;": "\u0166", + "Uacute": "\xda", + "Uacute;": "\xda", + "Uarr;": "\u219f", + "Uarrocir;": "\u2949", + "Ubrcy;": "\u040e", + "Ubreve;": "\u016c", + "Ucirc": "\xdb", + "Ucirc;": "\xdb", + "Ucy;": "\u0423", + "Udblac;": "\u0170", + "Ufr;": "\U0001d518", + "Ugrave": "\xd9", + "Ugrave;": "\xd9", + "Umacr;": "\u016a", + "UnderBar;": "_", + "UnderBrace;": "\u23df", + "UnderBracket;": "\u23b5", + "UnderParenthesis;": "\u23dd", + "Union;": "\u22c3", + "UnionPlus;": "\u228e", + "Uogon;": "\u0172", + "Uopf;": "\U0001d54c", + "UpArrow;": "\u2191", + "UpArrowBar;": "\u2912", + "UpArrowDownArrow;": "\u21c5", + "UpDownArrow;": "\u2195", + "UpEquilibrium;": "\u296e", + "UpTee;": "\u22a5", + "UpTeeArrow;": "\u21a5", + "Uparrow;": "\u21d1", + "Updownarrow;": "\u21d5", + "UpperLeftArrow;": "\u2196", + "UpperRightArrow;": "\u2197", + "Upsi;": "\u03d2", + "Upsilon;": "\u03a5", + "Uring;": "\u016e", + "Uscr;": "\U0001d4b0", + "Utilde;": "\u0168", + "Uuml": "\xdc", + "Uuml;": "\xdc", + "VDash;": "\u22ab", + "Vbar;": "\u2aeb", + "Vcy;": "\u0412", + "Vdash;": "\u22a9", + "Vdashl;": "\u2ae6", + "Vee;": "\u22c1", + "Verbar;": "\u2016", + "Vert;": "\u2016", + "VerticalBar;": "\u2223", + "VerticalLine;": "|", + "VerticalSeparator;": "\u2758", + "VerticalTilde;": "\u2240", + "VeryThinSpace;": "\u200a", + "Vfr;": "\U0001d519", + "Vopf;": "\U0001d54d", + "Vscr;": "\U0001d4b1", + "Vvdash;": "\u22aa", + "Wcirc;": "\u0174", + "Wedge;": "\u22c0", + "Wfr;": "\U0001d51a", + "Wopf;": "\U0001d54e", + "Wscr;": "\U0001d4b2", + "Xfr;": "\U0001d51b", + "Xi;": "\u039e", + "Xopf;": "\U0001d54f", + "Xscr;": "\U0001d4b3", + "YAcy;": "\u042f", + "YIcy;": "\u0407", + "YUcy;": "\u042e", + "Yacute": "\xdd", + "Yacute;": "\xdd", + "Ycirc;": "\u0176", + "Ycy;": "\u042b", + "Yfr;": "\U0001d51c", + "Yopf;": "\U0001d550", + "Yscr;": "\U0001d4b4", + "Yuml;": "\u0178", + "ZHcy;": "\u0416", + "Zacute;": "\u0179", + "Zcaron;": "\u017d", + "Zcy;": "\u0417", + "Zdot;": "\u017b", + "ZeroWidthSpace;": "\u200b", + "Zeta;": "\u0396", + "Zfr;": "\u2128", + "Zopf;": "\u2124", + "Zscr;": "\U0001d4b5", + "aacute": "\xe1", + "aacute;": "\xe1", + "abreve;": "\u0103", + "ac;": "\u223e", + "acE;": "\u223e\u0333", + "acd;": "\u223f", + "acirc": "\xe2", + "acirc;": "\xe2", + "acute": "\xb4", + "acute;": "\xb4", + "acy;": "\u0430", + "aelig": "\xe6", + "aelig;": "\xe6", + "af;": "\u2061", + "afr;": "\U0001d51e", + "agrave": "\xe0", + "agrave;": "\xe0", + "alefsym;": "\u2135", + "aleph;": "\u2135", + "alpha;": "\u03b1", + "amacr;": "\u0101", + "amalg;": "\u2a3f", + "amp": "&", + "amp;": "&", + "and;": "\u2227", + "andand;": "\u2a55", + "andd;": "\u2a5c", + "andslope;": "\u2a58", + "andv;": "\u2a5a", + "ang;": "\u2220", + "ange;": "\u29a4", + "angle;": "\u2220", + "angmsd;": "\u2221", + "angmsdaa;": "\u29a8", + "angmsdab;": "\u29a9", + "angmsdac;": "\u29aa", + "angmsdad;": "\u29ab", + "angmsdae;": "\u29ac", + "angmsdaf;": "\u29ad", + "angmsdag;": "\u29ae", + "angmsdah;": "\u29af", + "angrt;": "\u221f", + "angrtvb;": "\u22be", + "angrtvbd;": "\u299d", + "angsph;": "\u2222", + "angst;": "\xc5", + "angzarr;": "\u237c", + "aogon;": "\u0105", + "aopf;": "\U0001d552", + "ap;": "\u2248", + "apE;": "\u2a70", + "apacir;": "\u2a6f", + "ape;": "\u224a", + "apid;": "\u224b", + "apos;": "'", + "approx;": "\u2248", + "approxeq;": "\u224a", + "aring": "\xe5", + "aring;": "\xe5", + "ascr;": "\U0001d4b6", + "ast;": "*", + "asymp;": "\u2248", + "asympeq;": "\u224d", + "atilde": "\xe3", + "atilde;": "\xe3", + "auml": "\xe4", + "auml;": "\xe4", + "awconint;": "\u2233", + "awint;": "\u2a11", + "bNot;": "\u2aed", + "backcong;": "\u224c", + "backepsilon;": "\u03f6", + "backprime;": "\u2035", + "backsim;": "\u223d", + "backsimeq;": "\u22cd", + "barvee;": "\u22bd", + "barwed;": "\u2305", + "barwedge;": "\u2305", + "bbrk;": "\u23b5", + "bbrktbrk;": "\u23b6", + "bcong;": "\u224c", + "bcy;": "\u0431", + "bdquo;": "\u201e", + "becaus;": "\u2235", + "because;": "\u2235", + "bemptyv;": "\u29b0", + "bepsi;": "\u03f6", + "bernou;": "\u212c", + "beta;": "\u03b2", + "beth;": "\u2136", + "between;": "\u226c", + "bfr;": "\U0001d51f", + "bigcap;": "\u22c2", + "bigcirc;": "\u25ef", + "bigcup;": "\u22c3", + "bigodot;": "\u2a00", + "bigoplus;": "\u2a01", + "bigotimes;": "\u2a02", + "bigsqcup;": "\u2a06", + "bigstar;": "\u2605", + "bigtriangledown;": "\u25bd", + "bigtriangleup;": "\u25b3", + "biguplus;": "\u2a04", + "bigvee;": "\u22c1", + "bigwedge;": "\u22c0", + "bkarow;": "\u290d", + "blacklozenge;": "\u29eb", + "blacksquare;": "\u25aa", + "blacktriangle;": "\u25b4", + "blacktriangledown;": "\u25be", + "blacktriangleleft;": "\u25c2", + "blacktriangleright;": "\u25b8", + "blank;": "\u2423", + "blk12;": "\u2592", + "blk14;": "\u2591", + "blk34;": "\u2593", + "block;": "\u2588", + "bne;": "=\u20e5", + "bnequiv;": "\u2261\u20e5", + "bnot;": "\u2310", + "bopf;": "\U0001d553", + "bot;": "\u22a5", + "bottom;": "\u22a5", + "bowtie;": "\u22c8", + "boxDL;": "\u2557", + "boxDR;": "\u2554", + "boxDl;": "\u2556", + "boxDr;": "\u2553", + "boxH;": "\u2550", + "boxHD;": "\u2566", + "boxHU;": "\u2569", + "boxHd;": "\u2564", + "boxHu;": "\u2567", + "boxUL;": "\u255d", + "boxUR;": "\u255a", + "boxUl;": "\u255c", + "boxUr;": "\u2559", + "boxV;": "\u2551", + "boxVH;": "\u256c", + "boxVL;": "\u2563", + "boxVR;": "\u2560", + "boxVh;": "\u256b", + "boxVl;": "\u2562", + "boxVr;": "\u255f", + "boxbox;": "\u29c9", + "boxdL;": "\u2555", + "boxdR;": "\u2552", + "boxdl;": "\u2510", + "boxdr;": "\u250c", + "boxh;": "\u2500", + "boxhD;": "\u2565", + "boxhU;": "\u2568", + "boxhd;": "\u252c", + "boxhu;": "\u2534", + "boxminus;": "\u229f", + "boxplus;": "\u229e", + "boxtimes;": "\u22a0", + "boxuL;": "\u255b", + "boxuR;": "\u2558", + "boxul;": "\u2518", + "boxur;": "\u2514", + "boxv;": "\u2502", + "boxvH;": "\u256a", + "boxvL;": "\u2561", + "boxvR;": "\u255e", + "boxvh;": "\u253c", + "boxvl;": "\u2524", + "boxvr;": "\u251c", + "bprime;": "\u2035", + "breve;": "\u02d8", + "brvbar": "\xa6", + "brvbar;": "\xa6", + "bscr;": "\U0001d4b7", + "bsemi;": "\u204f", + "bsim;": "\u223d", + "bsime;": "\u22cd", + "bsol;": "\\", + "bsolb;": "\u29c5", + "bsolhsub;": "\u27c8", + "bull;": "\u2022", + "bullet;": "\u2022", + "bump;": "\u224e", + "bumpE;": "\u2aae", + "bumpe;": "\u224f", + "bumpeq;": "\u224f", + "cacute;": "\u0107", + "cap;": "\u2229", + "capand;": "\u2a44", + "capbrcup;": "\u2a49", + "capcap;": "\u2a4b", + "capcup;": "\u2a47", + "capdot;": "\u2a40", + "caps;": "\u2229\ufe00", + "caret;": "\u2041", + "caron;": "\u02c7", + "ccaps;": "\u2a4d", + "ccaron;": "\u010d", + "ccedil": "\xe7", + "ccedil;": "\xe7", + "ccirc;": "\u0109", + "ccups;": "\u2a4c", + "ccupssm;": "\u2a50", + "cdot;": "\u010b", + "cedil": "\xb8", + "cedil;": "\xb8", + "cemptyv;": "\u29b2", + "cent": "\xa2", + "cent;": "\xa2", + "centerdot;": "\xb7", + "cfr;": "\U0001d520", + "chcy;": "\u0447", + "check;": "\u2713", + "checkmark;": "\u2713", + "chi;": "\u03c7", + "cir;": "\u25cb", + "cirE;": "\u29c3", + "circ;": "\u02c6", + "circeq;": "\u2257", + "circlearrowleft;": "\u21ba", + "circlearrowright;": "\u21bb", + "circledR;": "\xae", + "circledS;": "\u24c8", + "circledast;": "\u229b", + "circledcirc;": "\u229a", + "circleddash;": "\u229d", + "cire;": "\u2257", + "cirfnint;": "\u2a10", + "cirmid;": "\u2aef", + "cirscir;": "\u29c2", + "clubs;": "\u2663", + "clubsuit;": "\u2663", + "colon;": ":", + "colone;": "\u2254", + "coloneq;": "\u2254", + "comma;": ",", + "commat;": "@", + "comp;": "\u2201", + "compfn;": "\u2218", + "complement;": "\u2201", + "complexes;": "\u2102", + "cong;": "\u2245", + "congdot;": "\u2a6d", + "conint;": "\u222e", + "copf;": "\U0001d554", + "coprod;": "\u2210", + "copy": "\xa9", + "copy;": "\xa9", + "copysr;": "\u2117", + "crarr;": "\u21b5", + "cross;": "\u2717", + "cscr;": "\U0001d4b8", + "csub;": "\u2acf", + "csube;": "\u2ad1", + "csup;": "\u2ad0", + "csupe;": "\u2ad2", + "ctdot;": "\u22ef", + "cudarrl;": "\u2938", + "cudarrr;": "\u2935", + "cuepr;": "\u22de", + "cuesc;": "\u22df", + "cularr;": "\u21b6", + "cularrp;": "\u293d", + "cup;": "\u222a", + "cupbrcap;": "\u2a48", + "cupcap;": "\u2a46", + "cupcup;": "\u2a4a", + "cupdot;": "\u228d", + "cupor;": "\u2a45", + "cups;": "\u222a\ufe00", + "curarr;": "\u21b7", + "curarrm;": "\u293c", + "curlyeqprec;": "\u22de", + "curlyeqsucc;": "\u22df", + "curlyvee;": "\u22ce", + "curlywedge;": "\u22cf", + "curren": "\xa4", + "curren;": "\xa4", + "curvearrowleft;": "\u21b6", + "curvearrowright;": "\u21b7", + "cuvee;": "\u22ce", + "cuwed;": "\u22cf", + "cwconint;": "\u2232", + "cwint;": "\u2231", + "cylcty;": "\u232d", + "dArr;": "\u21d3", + "dHar;": "\u2965", + "dagger;": "\u2020", + "daleth;": "\u2138", + "darr;": "\u2193", + "dash;": "\u2010", + "dashv;": "\u22a3", + "dbkarow;": "\u290f", + "dblac;": "\u02dd", + "dcaron;": "\u010f", + "dcy;": "\u0434", + "dd;": "\u2146", + "ddagger;": "\u2021", + "ddarr;": "\u21ca", + "ddotseq;": "\u2a77", + "deg": "\xb0", + "deg;": "\xb0", + "delta;": "\u03b4", + "demptyv;": "\u29b1", + "dfisht;": "\u297f", + "dfr;": "\U0001d521", + "dharl;": "\u21c3", + "dharr;": "\u21c2", + "diam;": "\u22c4", + "diamond;": "\u22c4", + "diamondsuit;": "\u2666", + "diams;": "\u2666", + "die;": "\xa8", + "digamma;": "\u03dd", + "disin;": "\u22f2", + "div;": "\xf7", + "divide": "\xf7", + "divide;": "\xf7", + "divideontimes;": "\u22c7", + "divonx;": "\u22c7", + "djcy;": "\u0452", + "dlcorn;": "\u231e", + "dlcrop;": "\u230d", + "dollar;": "$", + "dopf;": "\U0001d555", + "dot;": "\u02d9", + "doteq;": "\u2250", + "doteqdot;": "\u2251", + "dotminus;": "\u2238", + "dotplus;": "\u2214", + "dotsquare;": "\u22a1", + "doublebarwedge;": "\u2306", + "downarrow;": "\u2193", + "downdownarrows;": "\u21ca", + "downharpoonleft;": "\u21c3", + "downharpoonright;": "\u21c2", + "drbkarow;": "\u2910", + "drcorn;": "\u231f", + "drcrop;": "\u230c", + "dscr;": "\U0001d4b9", + "dscy;": "\u0455", + "dsol;": "\u29f6", + "dstrok;": "\u0111", + "dtdot;": "\u22f1", + "dtri;": "\u25bf", + "dtrif;": "\u25be", + "duarr;": "\u21f5", + "duhar;": "\u296f", + "dwangle;": "\u29a6", + "dzcy;": "\u045f", + "dzigrarr;": "\u27ff", + "eDDot;": "\u2a77", + "eDot;": "\u2251", + "eacute": "\xe9", + "eacute;": "\xe9", + "easter;": "\u2a6e", + "ecaron;": "\u011b", + "ecir;": "\u2256", + "ecirc": "\xea", + "ecirc;": "\xea", + "ecolon;": "\u2255", + "ecy;": "\u044d", + "edot;": "\u0117", + "ee;": "\u2147", + "efDot;": "\u2252", + "efr;": "\U0001d522", + "eg;": "\u2a9a", + "egrave": "\xe8", + "egrave;": "\xe8", + "egs;": "\u2a96", + "egsdot;": "\u2a98", + "el;": "\u2a99", + "elinters;": "\u23e7", + "ell;": "\u2113", + "els;": "\u2a95", + "elsdot;": "\u2a97", + "emacr;": "\u0113", + "empty;": "\u2205", + "emptyset;": "\u2205", + "emptyv;": "\u2205", + "emsp13;": "\u2004", + "emsp14;": "\u2005", + "emsp;": "\u2003", + "eng;": "\u014b", + "ensp;": "\u2002", + "eogon;": "\u0119", + "eopf;": "\U0001d556", + "epar;": "\u22d5", + "eparsl;": "\u29e3", + "eplus;": "\u2a71", + "epsi;": "\u03b5", + "epsilon;": "\u03b5", + "epsiv;": "\u03f5", + "eqcirc;": "\u2256", + "eqcolon;": "\u2255", + "eqsim;": "\u2242", + "eqslantgtr;": "\u2a96", + "eqslantless;": "\u2a95", + "equals;": "=", + "equest;": "\u225f", + "equiv;": "\u2261", + "equivDD;": "\u2a78", + "eqvparsl;": "\u29e5", + "erDot;": "\u2253", + "erarr;": "\u2971", + "escr;": "\u212f", + "esdot;": "\u2250", + "esim;": "\u2242", + "eta;": "\u03b7", + "eth": "\xf0", + "eth;": "\xf0", + "euml": "\xeb", + "euml;": "\xeb", + "euro;": "\u20ac", + "excl;": "!", + "exist;": "\u2203", + "expectation;": "\u2130", + "exponentiale;": "\u2147", + "fallingdotseq;": "\u2252", + "fcy;": "\u0444", + "female;": "\u2640", + "ffilig;": "\ufb03", + "fflig;": "\ufb00", + "ffllig;": "\ufb04", + "ffr;": "\U0001d523", + "filig;": "\ufb01", + "fjlig;": "fj", + "flat;": "\u266d", + "fllig;": "\ufb02", + "fltns;": "\u25b1", + "fnof;": "\u0192", + "fopf;": "\U0001d557", + "forall;": "\u2200", + "fork;": "\u22d4", + "forkv;": "\u2ad9", + "fpartint;": "\u2a0d", + "frac12": "\xbd", + "frac12;": "\xbd", + "frac13;": "\u2153", + "frac14": "\xbc", + "frac14;": "\xbc", + "frac15;": "\u2155", + "frac16;": "\u2159", + "frac18;": "\u215b", + "frac23;": "\u2154", + "frac25;": "\u2156", + "frac34": "\xbe", + "frac34;": "\xbe", + "frac35;": "\u2157", + "frac38;": "\u215c", + "frac45;": "\u2158", + "frac56;": "\u215a", + "frac58;": "\u215d", + "frac78;": "\u215e", + "frasl;": "\u2044", + "frown;": "\u2322", + "fscr;": "\U0001d4bb", + "gE;": "\u2267", + "gEl;": "\u2a8c", + "gacute;": "\u01f5", + "gamma;": "\u03b3", + "gammad;": "\u03dd", + "gap;": "\u2a86", + "gbreve;": "\u011f", + "gcirc;": "\u011d", + "gcy;": "\u0433", + "gdot;": "\u0121", + "ge;": "\u2265", + "gel;": "\u22db", + "geq;": "\u2265", + "geqq;": "\u2267", + "geqslant;": "\u2a7e", + "ges;": "\u2a7e", + "gescc;": "\u2aa9", + "gesdot;": "\u2a80", + "gesdoto;": "\u2a82", + "gesdotol;": "\u2a84", + "gesl;": "\u22db\ufe00", + "gesles;": "\u2a94", + "gfr;": "\U0001d524", + "gg;": "\u226b", + "ggg;": "\u22d9", + "gimel;": "\u2137", + "gjcy;": "\u0453", + "gl;": "\u2277", + "glE;": "\u2a92", + "gla;": "\u2aa5", + "glj;": "\u2aa4", + "gnE;": "\u2269", + "gnap;": "\u2a8a", + "gnapprox;": "\u2a8a", + "gne;": "\u2a88", + "gneq;": "\u2a88", + "gneqq;": "\u2269", + "gnsim;": "\u22e7", + "gopf;": "\U0001d558", + "grave;": "`", + "gscr;": "\u210a", + "gsim;": "\u2273", + "gsime;": "\u2a8e", + "gsiml;": "\u2a90", + "gt": ">", + "gt;": ">", + "gtcc;": "\u2aa7", + "gtcir;": "\u2a7a", + "gtdot;": "\u22d7", + "gtlPar;": "\u2995", + "gtquest;": "\u2a7c", + "gtrapprox;": "\u2a86", + "gtrarr;": "\u2978", + "gtrdot;": "\u22d7", + "gtreqless;": "\u22db", + "gtreqqless;": "\u2a8c", + "gtrless;": "\u2277", + "gtrsim;": "\u2273", + "gvertneqq;": "\u2269\ufe00", + "gvnE;": "\u2269\ufe00", + "hArr;": "\u21d4", + "hairsp;": "\u200a", + "half;": "\xbd", + "hamilt;": "\u210b", + "hardcy;": "\u044a", + "harr;": "\u2194", + "harrcir;": "\u2948", + "harrw;": "\u21ad", + "hbar;": "\u210f", + "hcirc;": "\u0125", + "hearts;": "\u2665", + "heartsuit;": "\u2665", + "hellip;": "\u2026", + "hercon;": "\u22b9", + "hfr;": "\U0001d525", + "hksearow;": "\u2925", + "hkswarow;": "\u2926", + "hoarr;": "\u21ff", + "homtht;": "\u223b", + "hookleftarrow;": "\u21a9", + "hookrightarrow;": "\u21aa", + "hopf;": "\U0001d559", + "horbar;": "\u2015", + "hscr;": "\U0001d4bd", + "hslash;": "\u210f", + "hstrok;": "\u0127", + "hybull;": "\u2043", + "hyphen;": "\u2010", + "iacute": "\xed", + "iacute;": "\xed", + "ic;": "\u2063", + "icirc": "\xee", + "icirc;": "\xee", + "icy;": "\u0438", + "iecy;": "\u0435", + "iexcl": "\xa1", + "iexcl;": "\xa1", + "iff;": "\u21d4", + "ifr;": "\U0001d526", + "igrave": "\xec", + "igrave;": "\xec", + "ii;": "\u2148", + "iiiint;": "\u2a0c", + "iiint;": "\u222d", + "iinfin;": "\u29dc", + "iiota;": "\u2129", + "ijlig;": "\u0133", + "imacr;": "\u012b", + "image;": "\u2111", + "imagline;": "\u2110", + "imagpart;": "\u2111", + "imath;": "\u0131", + "imof;": "\u22b7", + "imped;": "\u01b5", + "in;": "\u2208", + "incare;": "\u2105", + "infin;": "\u221e", + "infintie;": "\u29dd", + "inodot;": "\u0131", + "int;": "\u222b", + "intcal;": "\u22ba", + "integers;": "\u2124", + "intercal;": "\u22ba", + "intlarhk;": "\u2a17", + "intprod;": "\u2a3c", + "iocy;": "\u0451", + "iogon;": "\u012f", + "iopf;": "\U0001d55a", + "iota;": "\u03b9", + "iprod;": "\u2a3c", + "iquest": "\xbf", + "iquest;": "\xbf", + "iscr;": "\U0001d4be", + "isin;": "\u2208", + "isinE;": "\u22f9", + "isindot;": "\u22f5", + "isins;": "\u22f4", + "isinsv;": "\u22f3", + "isinv;": "\u2208", + "it;": "\u2062", + "itilde;": "\u0129", + "iukcy;": "\u0456", + "iuml": "\xef", + "iuml;": "\xef", + "jcirc;": "\u0135", + "jcy;": "\u0439", + "jfr;": "\U0001d527", + "jmath;": "\u0237", + "jopf;": "\U0001d55b", + "jscr;": "\U0001d4bf", + "jsercy;": "\u0458", + "jukcy;": "\u0454", + "kappa;": "\u03ba", + "kappav;": "\u03f0", + "kcedil;": "\u0137", + "kcy;": "\u043a", + "kfr;": "\U0001d528", + "kgreen;": "\u0138", + "khcy;": "\u0445", + "kjcy;": "\u045c", + "kopf;": "\U0001d55c", + "kscr;": "\U0001d4c0", + "lAarr;": "\u21da", + "lArr;": "\u21d0", + "lAtail;": "\u291b", + "lBarr;": "\u290e", + "lE;": "\u2266", + "lEg;": "\u2a8b", + "lHar;": "\u2962", + "lacute;": "\u013a", + "laemptyv;": "\u29b4", + "lagran;": "\u2112", + "lambda;": "\u03bb", + "lang;": "\u27e8", + "langd;": "\u2991", + "langle;": "\u27e8", + "lap;": "\u2a85", + "laquo": "\xab", + "laquo;": "\xab", + "larr;": "\u2190", + "larrb;": "\u21e4", + "larrbfs;": "\u291f", + "larrfs;": "\u291d", + "larrhk;": "\u21a9", + "larrlp;": "\u21ab", + "larrpl;": "\u2939", + "larrsim;": "\u2973", + "larrtl;": "\u21a2", + "lat;": "\u2aab", + "latail;": "\u2919", + "late;": "\u2aad", + "lates;": "\u2aad\ufe00", + "lbarr;": "\u290c", + "lbbrk;": "\u2772", + "lbrace;": "{", + "lbrack;": "[", + "lbrke;": "\u298b", + "lbrksld;": "\u298f", + "lbrkslu;": "\u298d", + "lcaron;": "\u013e", + "lcedil;": "\u013c", + "lceil;": "\u2308", + "lcub;": "{", + "lcy;": "\u043b", + "ldca;": "\u2936", + "ldquo;": "\u201c", + "ldquor;": "\u201e", + "ldrdhar;": "\u2967", + "ldrushar;": "\u294b", + "ldsh;": "\u21b2", + "le;": "\u2264", + "leftarrow;": "\u2190", + "leftarrowtail;": "\u21a2", + "leftharpoondown;": "\u21bd", + "leftharpoonup;": "\u21bc", + "leftleftarrows;": "\u21c7", + "leftrightarrow;": "\u2194", + "leftrightarrows;": "\u21c6", + "leftrightharpoons;": "\u21cb", + "leftrightsquigarrow;": "\u21ad", + "leftthreetimes;": "\u22cb", + "leg;": "\u22da", + "leq;": "\u2264", + "leqq;": "\u2266", + "leqslant;": "\u2a7d", + "les;": "\u2a7d", + "lescc;": "\u2aa8", + "lesdot;": "\u2a7f", + "lesdoto;": "\u2a81", + "lesdotor;": "\u2a83", + "lesg;": "\u22da\ufe00", + "lesges;": "\u2a93", + "lessapprox;": "\u2a85", + "lessdot;": "\u22d6", + "lesseqgtr;": "\u22da", + "lesseqqgtr;": "\u2a8b", + "lessgtr;": "\u2276", + "lesssim;": "\u2272", + "lfisht;": "\u297c", + "lfloor;": "\u230a", + "lfr;": "\U0001d529", + "lg;": "\u2276", + "lgE;": "\u2a91", + "lhard;": "\u21bd", + "lharu;": "\u21bc", + "lharul;": "\u296a", + "lhblk;": "\u2584", + "ljcy;": "\u0459", + "ll;": "\u226a", + "llarr;": "\u21c7", + "llcorner;": "\u231e", + "llhard;": "\u296b", + "lltri;": "\u25fa", + "lmidot;": "\u0140", + "lmoust;": "\u23b0", + "lmoustache;": "\u23b0", + "lnE;": "\u2268", + "lnap;": "\u2a89", + "lnapprox;": "\u2a89", + "lne;": "\u2a87", + "lneq;": "\u2a87", + "lneqq;": "\u2268", + "lnsim;": "\u22e6", + "loang;": "\u27ec", + "loarr;": "\u21fd", + "lobrk;": "\u27e6", + "longleftarrow;": "\u27f5", + "longleftrightarrow;": "\u27f7", + "longmapsto;": "\u27fc", + "longrightarrow;": "\u27f6", + "looparrowleft;": "\u21ab", + "looparrowright;": "\u21ac", + "lopar;": "\u2985", + "lopf;": "\U0001d55d", + "loplus;": "\u2a2d", + "lotimes;": "\u2a34", + "lowast;": "\u2217", + "lowbar;": "_", + "loz;": "\u25ca", + "lozenge;": "\u25ca", + "lozf;": "\u29eb", + "lpar;": "(", + "lparlt;": "\u2993", + "lrarr;": "\u21c6", + "lrcorner;": "\u231f", + "lrhar;": "\u21cb", + "lrhard;": "\u296d", + "lrm;": "\u200e", + "lrtri;": "\u22bf", + "lsaquo;": "\u2039", + "lscr;": "\U0001d4c1", + "lsh;": "\u21b0", + "lsim;": "\u2272", + "lsime;": "\u2a8d", + "lsimg;": "\u2a8f", + "lsqb;": "[", + "lsquo;": "\u2018", + "lsquor;": "\u201a", + "lstrok;": "\u0142", + "lt": "<", + "lt;": "<", + "ltcc;": "\u2aa6", + "ltcir;": "\u2a79", + "ltdot;": "\u22d6", + "lthree;": "\u22cb", + "ltimes;": "\u22c9", + "ltlarr;": "\u2976", + "ltquest;": "\u2a7b", + "ltrPar;": "\u2996", + "ltri;": "\u25c3", + "ltrie;": "\u22b4", + "ltrif;": "\u25c2", + "lurdshar;": "\u294a", + "luruhar;": "\u2966", + "lvertneqq;": "\u2268\ufe00", + "lvnE;": "\u2268\ufe00", + "mDDot;": "\u223a", + "macr": "\xaf", + "macr;": "\xaf", + "male;": "\u2642", + "malt;": "\u2720", + "maltese;": "\u2720", + "map;": "\u21a6", + "mapsto;": "\u21a6", + "mapstodown;": "\u21a7", + "mapstoleft;": "\u21a4", + "mapstoup;": "\u21a5", + "marker;": "\u25ae", + "mcomma;": "\u2a29", + "mcy;": "\u043c", + "mdash;": "\u2014", + "measuredangle;": "\u2221", + "mfr;": "\U0001d52a", + "mho;": "\u2127", + "micro": "\xb5", + "micro;": "\xb5", + "mid;": "\u2223", + "midast;": "*", + "midcir;": "\u2af0", + "middot": "\xb7", + "middot;": "\xb7", + "minus;": "\u2212", + "minusb;": "\u229f", + "minusd;": "\u2238", + "minusdu;": "\u2a2a", + "mlcp;": "\u2adb", + "mldr;": "\u2026", + "mnplus;": "\u2213", + "models;": "\u22a7", + "mopf;": "\U0001d55e", + "mp;": "\u2213", + "mscr;": "\U0001d4c2", + "mstpos;": "\u223e", + "mu;": "\u03bc", + "multimap;": "\u22b8", + "mumap;": "\u22b8", + "nGg;": "\u22d9\u0338", + "nGt;": "\u226b\u20d2", + "nGtv;": "\u226b\u0338", + "nLeftarrow;": "\u21cd", + "nLeftrightarrow;": "\u21ce", + "nLl;": "\u22d8\u0338", + "nLt;": "\u226a\u20d2", + "nLtv;": "\u226a\u0338", + "nRightarrow;": "\u21cf", + "nVDash;": "\u22af", + "nVdash;": "\u22ae", + "nabla;": "\u2207", + "nacute;": "\u0144", + "nang;": "\u2220\u20d2", + "nap;": "\u2249", + "napE;": "\u2a70\u0338", + "napid;": "\u224b\u0338", + "napos;": "\u0149", + "napprox;": "\u2249", + "natur;": "\u266e", + "natural;": "\u266e", + "naturals;": "\u2115", + "nbsp": "\xa0", + "nbsp;": "\xa0", + "nbump;": "\u224e\u0338", + "nbumpe;": "\u224f\u0338", + "ncap;": "\u2a43", + "ncaron;": "\u0148", + "ncedil;": "\u0146", + "ncong;": "\u2247", + "ncongdot;": "\u2a6d\u0338", + "ncup;": "\u2a42", + "ncy;": "\u043d", + "ndash;": "\u2013", + "ne;": "\u2260", + "neArr;": "\u21d7", + "nearhk;": "\u2924", + "nearr;": "\u2197", + "nearrow;": "\u2197", + "nedot;": "\u2250\u0338", + "nequiv;": "\u2262", + "nesear;": "\u2928", + "nesim;": "\u2242\u0338", + "nexist;": "\u2204", + "nexists;": "\u2204", + "nfr;": "\U0001d52b", + "ngE;": "\u2267\u0338", + "nge;": "\u2271", + "ngeq;": "\u2271", + "ngeqq;": "\u2267\u0338", + "ngeqslant;": "\u2a7e\u0338", + "nges;": "\u2a7e\u0338", + "ngsim;": "\u2275", + "ngt;": "\u226f", + "ngtr;": "\u226f", + "nhArr;": "\u21ce", + "nharr;": "\u21ae", + "nhpar;": "\u2af2", + "ni;": "\u220b", + "nis;": "\u22fc", + "nisd;": "\u22fa", + "niv;": "\u220b", + "njcy;": "\u045a", + "nlArr;": "\u21cd", + "nlE;": "\u2266\u0338", + "nlarr;": "\u219a", + "nldr;": "\u2025", + "nle;": "\u2270", + "nleftarrow;": "\u219a", + "nleftrightarrow;": "\u21ae", + "nleq;": "\u2270", + "nleqq;": "\u2266\u0338", + "nleqslant;": "\u2a7d\u0338", + "nles;": "\u2a7d\u0338", + "nless;": "\u226e", + "nlsim;": "\u2274", + "nlt;": "\u226e", + "nltri;": "\u22ea", + "nltrie;": "\u22ec", + "nmid;": "\u2224", + "nopf;": "\U0001d55f", + "not": "\xac", + "not;": "\xac", + "notin;": "\u2209", + "notinE;": "\u22f9\u0338", + "notindot;": "\u22f5\u0338", + "notinva;": "\u2209", + "notinvb;": "\u22f7", + "notinvc;": "\u22f6", + "notni;": "\u220c", + "notniva;": "\u220c", + "notnivb;": "\u22fe", + "notnivc;": "\u22fd", + "npar;": "\u2226", + "nparallel;": "\u2226", + "nparsl;": "\u2afd\u20e5", + "npart;": "\u2202\u0338", + "npolint;": "\u2a14", + "npr;": "\u2280", + "nprcue;": "\u22e0", + "npre;": "\u2aaf\u0338", + "nprec;": "\u2280", + "npreceq;": "\u2aaf\u0338", + "nrArr;": "\u21cf", + "nrarr;": "\u219b", + "nrarrc;": "\u2933\u0338", + "nrarrw;": "\u219d\u0338", + "nrightarrow;": "\u219b", + "nrtri;": "\u22eb", + "nrtrie;": "\u22ed", + "nsc;": "\u2281", + "nsccue;": "\u22e1", + "nsce;": "\u2ab0\u0338", + "nscr;": "\U0001d4c3", + "nshortmid;": "\u2224", + "nshortparallel;": "\u2226", + "nsim;": "\u2241", + "nsime;": "\u2244", + "nsimeq;": "\u2244", + "nsmid;": "\u2224", + "nspar;": "\u2226", + "nsqsube;": "\u22e2", + "nsqsupe;": "\u22e3", + "nsub;": "\u2284", + "nsubE;": "\u2ac5\u0338", + "nsube;": "\u2288", + "nsubset;": "\u2282\u20d2", + "nsubseteq;": "\u2288", + "nsubseteqq;": "\u2ac5\u0338", + "nsucc;": "\u2281", + "nsucceq;": "\u2ab0\u0338", + "nsup;": "\u2285", + "nsupE;": "\u2ac6\u0338", + "nsupe;": "\u2289", + "nsupset;": "\u2283\u20d2", + "nsupseteq;": "\u2289", + "nsupseteqq;": "\u2ac6\u0338", + "ntgl;": "\u2279", + "ntilde": "\xf1", + "ntilde;": "\xf1", + "ntlg;": "\u2278", + "ntriangleleft;": "\u22ea", + "ntrianglelefteq;": "\u22ec", + "ntriangleright;": "\u22eb", + "ntrianglerighteq;": "\u22ed", + "nu;": "\u03bd", + "num;": "#", + "numero;": "\u2116", + "numsp;": "\u2007", + "nvDash;": "\u22ad", + "nvHarr;": "\u2904", + "nvap;": "\u224d\u20d2", + "nvdash;": "\u22ac", + "nvge;": "\u2265\u20d2", + "nvgt;": ">\u20d2", + "nvinfin;": "\u29de", + "nvlArr;": "\u2902", + "nvle;": "\u2264\u20d2", + "nvlt;": "<\u20d2", + "nvltrie;": "\u22b4\u20d2", + "nvrArr;": "\u2903", + "nvrtrie;": "\u22b5\u20d2", + "nvsim;": "\u223c\u20d2", + "nwArr;": "\u21d6", + "nwarhk;": "\u2923", + "nwarr;": "\u2196", + "nwarrow;": "\u2196", + "nwnear;": "\u2927", + "oS;": "\u24c8", + "oacute": "\xf3", + "oacute;": "\xf3", + "oast;": "\u229b", + "ocir;": "\u229a", + "ocirc": "\xf4", + "ocirc;": "\xf4", + "ocy;": "\u043e", + "odash;": "\u229d", + "odblac;": "\u0151", + "odiv;": "\u2a38", + "odot;": "\u2299", + "odsold;": "\u29bc", + "oelig;": "\u0153", + "ofcir;": "\u29bf", + "ofr;": "\U0001d52c", + "ogon;": "\u02db", + "ograve": "\xf2", + "ograve;": "\xf2", + "ogt;": "\u29c1", + "ohbar;": "\u29b5", + "ohm;": "\u03a9", + "oint;": "\u222e", + "olarr;": "\u21ba", + "olcir;": "\u29be", + "olcross;": "\u29bb", + "oline;": "\u203e", + "olt;": "\u29c0", + "omacr;": "\u014d", + "omega;": "\u03c9", + "omicron;": "\u03bf", + "omid;": "\u29b6", + "ominus;": "\u2296", + "oopf;": "\U0001d560", + "opar;": "\u29b7", + "operp;": "\u29b9", + "oplus;": "\u2295", + "or;": "\u2228", + "orarr;": "\u21bb", + "ord;": "\u2a5d", + "order;": "\u2134", + "orderof;": "\u2134", + "ordf": "\xaa", + "ordf;": "\xaa", + "ordm": "\xba", + "ordm;": "\xba", + "origof;": "\u22b6", + "oror;": "\u2a56", + "orslope;": "\u2a57", + "orv;": "\u2a5b", + "oscr;": "\u2134", + "oslash": "\xf8", + "oslash;": "\xf8", + "osol;": "\u2298", + "otilde": "\xf5", + "otilde;": "\xf5", + "otimes;": "\u2297", + "otimesas;": "\u2a36", + "ouml": "\xf6", + "ouml;": "\xf6", + "ovbar;": "\u233d", + "par;": "\u2225", + "para": "\xb6", + "para;": "\xb6", + "parallel;": "\u2225", + "parsim;": "\u2af3", + "parsl;": "\u2afd", + "part;": "\u2202", + "pcy;": "\u043f", + "percnt;": "%", + "period;": ".", + "permil;": "\u2030", + "perp;": "\u22a5", + "pertenk;": "\u2031", + "pfr;": "\U0001d52d", + "phi;": "\u03c6", + "phiv;": "\u03d5", + "phmmat;": "\u2133", + "phone;": "\u260e", + "pi;": "\u03c0", + "pitchfork;": "\u22d4", + "piv;": "\u03d6", + "planck;": "\u210f", + "planckh;": "\u210e", + "plankv;": "\u210f", + "plus;": "+", + "plusacir;": "\u2a23", + "plusb;": "\u229e", + "pluscir;": "\u2a22", + "plusdo;": "\u2214", + "plusdu;": "\u2a25", + "pluse;": "\u2a72", + "plusmn": "\xb1", + "plusmn;": "\xb1", + "plussim;": "\u2a26", + "plustwo;": "\u2a27", + "pm;": "\xb1", + "pointint;": "\u2a15", + "popf;": "\U0001d561", + "pound": "\xa3", + "pound;": "\xa3", + "pr;": "\u227a", + "prE;": "\u2ab3", + "prap;": "\u2ab7", + "prcue;": "\u227c", + "pre;": "\u2aaf", + "prec;": "\u227a", + "precapprox;": "\u2ab7", + "preccurlyeq;": "\u227c", + "preceq;": "\u2aaf", + "precnapprox;": "\u2ab9", + "precneqq;": "\u2ab5", + "precnsim;": "\u22e8", + "precsim;": "\u227e", + "prime;": "\u2032", + "primes;": "\u2119", + "prnE;": "\u2ab5", + "prnap;": "\u2ab9", + "prnsim;": "\u22e8", + "prod;": "\u220f", + "profalar;": "\u232e", + "profline;": "\u2312", + "profsurf;": "\u2313", + "prop;": "\u221d", + "propto;": "\u221d", + "prsim;": "\u227e", + "prurel;": "\u22b0", + "pscr;": "\U0001d4c5", + "psi;": "\u03c8", + "puncsp;": "\u2008", + "qfr;": "\U0001d52e", + "qint;": "\u2a0c", + "qopf;": "\U0001d562", + "qprime;": "\u2057", + "qscr;": "\U0001d4c6", + "quaternions;": "\u210d", + "quatint;": "\u2a16", + "quest;": "?", + "questeq;": "\u225f", + "quot": "\"", + "quot;": "\"", + "rAarr;": "\u21db", + "rArr;": "\u21d2", + "rAtail;": "\u291c", + "rBarr;": "\u290f", + "rHar;": "\u2964", + "race;": "\u223d\u0331", + "racute;": "\u0155", + "radic;": "\u221a", + "raemptyv;": "\u29b3", + "rang;": "\u27e9", + "rangd;": "\u2992", + "range;": "\u29a5", + "rangle;": "\u27e9", + "raquo": "\xbb", + "raquo;": "\xbb", + "rarr;": "\u2192", + "rarrap;": "\u2975", + "rarrb;": "\u21e5", + "rarrbfs;": "\u2920", + "rarrc;": "\u2933", + "rarrfs;": "\u291e", + "rarrhk;": "\u21aa", + "rarrlp;": "\u21ac", + "rarrpl;": "\u2945", + "rarrsim;": "\u2974", + "rarrtl;": "\u21a3", + "rarrw;": "\u219d", + "ratail;": "\u291a", + "ratio;": "\u2236", + "rationals;": "\u211a", + "rbarr;": "\u290d", + "rbbrk;": "\u2773", + "rbrace;": "}", + "rbrack;": "]", + "rbrke;": "\u298c", + "rbrksld;": "\u298e", + "rbrkslu;": "\u2990", + "rcaron;": "\u0159", + "rcedil;": "\u0157", + "rceil;": "\u2309", + "rcub;": "}", + "rcy;": "\u0440", + "rdca;": "\u2937", + "rdldhar;": "\u2969", + "rdquo;": "\u201d", + "rdquor;": "\u201d", + "rdsh;": "\u21b3", + "real;": "\u211c", + "realine;": "\u211b", + "realpart;": "\u211c", + "reals;": "\u211d", + "rect;": "\u25ad", + "reg": "\xae", + "reg;": "\xae", + "rfisht;": "\u297d", + "rfloor;": "\u230b", + "rfr;": "\U0001d52f", + "rhard;": "\u21c1", + "rharu;": "\u21c0", + "rharul;": "\u296c", + "rho;": "\u03c1", + "rhov;": "\u03f1", + "rightarrow;": "\u2192", + "rightarrowtail;": "\u21a3", + "rightharpoondown;": "\u21c1", + "rightharpoonup;": "\u21c0", + "rightleftarrows;": "\u21c4", + "rightleftharpoons;": "\u21cc", + "rightrightarrows;": "\u21c9", + "rightsquigarrow;": "\u219d", + "rightthreetimes;": "\u22cc", + "ring;": "\u02da", + "risingdotseq;": "\u2253", + "rlarr;": "\u21c4", + "rlhar;": "\u21cc", + "rlm;": "\u200f", + "rmoust;": "\u23b1", + "rmoustache;": "\u23b1", + "rnmid;": "\u2aee", + "roang;": "\u27ed", + "roarr;": "\u21fe", + "robrk;": "\u27e7", + "ropar;": "\u2986", + "ropf;": "\U0001d563", + "roplus;": "\u2a2e", + "rotimes;": "\u2a35", + "rpar;": ")", + "rpargt;": "\u2994", + "rppolint;": "\u2a12", + "rrarr;": "\u21c9", + "rsaquo;": "\u203a", + "rscr;": "\U0001d4c7", + "rsh;": "\u21b1", + "rsqb;": "]", + "rsquo;": "\u2019", + "rsquor;": "\u2019", + "rthree;": "\u22cc", + "rtimes;": "\u22ca", + "rtri;": "\u25b9", + "rtrie;": "\u22b5", + "rtrif;": "\u25b8", + "rtriltri;": "\u29ce", + "ruluhar;": "\u2968", + "rx;": "\u211e", + "sacute;": "\u015b", + "sbquo;": "\u201a", + "sc;": "\u227b", + "scE;": "\u2ab4", + "scap;": "\u2ab8", + "scaron;": "\u0161", + "sccue;": "\u227d", + "sce;": "\u2ab0", + "scedil;": "\u015f", + "scirc;": "\u015d", + "scnE;": "\u2ab6", + "scnap;": "\u2aba", + "scnsim;": "\u22e9", + "scpolint;": "\u2a13", + "scsim;": "\u227f", + "scy;": "\u0441", + "sdot;": "\u22c5", + "sdotb;": "\u22a1", + "sdote;": "\u2a66", + "seArr;": "\u21d8", + "searhk;": "\u2925", + "searr;": "\u2198", + "searrow;": "\u2198", + "sect": "\xa7", + "sect;": "\xa7", + "semi;": ";", + "seswar;": "\u2929", + "setminus;": "\u2216", + "setmn;": "\u2216", + "sext;": "\u2736", + "sfr;": "\U0001d530", + "sfrown;": "\u2322", + "sharp;": "\u266f", + "shchcy;": "\u0449", + "shcy;": "\u0448", + "shortmid;": "\u2223", + "shortparallel;": "\u2225", + "shy": "\xad", + "shy;": "\xad", + "sigma;": "\u03c3", + "sigmaf;": "\u03c2", + "sigmav;": "\u03c2", + "sim;": "\u223c", + "simdot;": "\u2a6a", + "sime;": "\u2243", + "simeq;": "\u2243", + "simg;": "\u2a9e", + "simgE;": "\u2aa0", + "siml;": "\u2a9d", + "simlE;": "\u2a9f", + "simne;": "\u2246", + "simplus;": "\u2a24", + "simrarr;": "\u2972", + "slarr;": "\u2190", + "smallsetminus;": "\u2216", + "smashp;": "\u2a33", + "smeparsl;": "\u29e4", + "smid;": "\u2223", + "smile;": "\u2323", + "smt;": "\u2aaa", + "smte;": "\u2aac", + "smtes;": "\u2aac\ufe00", + "softcy;": "\u044c", + "sol;": "/", + "solb;": "\u29c4", + "solbar;": "\u233f", + "sopf;": "\U0001d564", + "spades;": "\u2660", + "spadesuit;": "\u2660", + "spar;": "\u2225", + "sqcap;": "\u2293", + "sqcaps;": "\u2293\ufe00", + "sqcup;": "\u2294", + "sqcups;": "\u2294\ufe00", + "sqsub;": "\u228f", + "sqsube;": "\u2291", + "sqsubset;": "\u228f", + "sqsubseteq;": "\u2291", + "sqsup;": "\u2290", + "sqsupe;": "\u2292", + "sqsupset;": "\u2290", + "sqsupseteq;": "\u2292", + "squ;": "\u25a1", + "square;": "\u25a1", + "squarf;": "\u25aa", + "squf;": "\u25aa", + "srarr;": "\u2192", + "sscr;": "\U0001d4c8", + "ssetmn;": "\u2216", + "ssmile;": "\u2323", + "sstarf;": "\u22c6", + "star;": "\u2606", + "starf;": "\u2605", + "straightepsilon;": "\u03f5", + "straightphi;": "\u03d5", + "strns;": "\xaf", + "sub;": "\u2282", + "subE;": "\u2ac5", + "subdot;": "\u2abd", + "sube;": "\u2286", + "subedot;": "\u2ac3", + "submult;": "\u2ac1", + "subnE;": "\u2acb", + "subne;": "\u228a", + "subplus;": "\u2abf", + "subrarr;": "\u2979", + "subset;": "\u2282", + "subseteq;": "\u2286", + "subseteqq;": "\u2ac5", + "subsetneq;": "\u228a", + "subsetneqq;": "\u2acb", + "subsim;": "\u2ac7", + "subsub;": "\u2ad5", + "subsup;": "\u2ad3", + "succ;": "\u227b", + "succapprox;": "\u2ab8", + "succcurlyeq;": "\u227d", + "succeq;": "\u2ab0", + "succnapprox;": "\u2aba", + "succneqq;": "\u2ab6", + "succnsim;": "\u22e9", + "succsim;": "\u227f", + "sum;": "\u2211", + "sung;": "\u266a", + "sup1": "\xb9", + "sup1;": "\xb9", + "sup2": "\xb2", + "sup2;": "\xb2", + "sup3": "\xb3", + "sup3;": "\xb3", + "sup;": "\u2283", + "supE;": "\u2ac6", + "supdot;": "\u2abe", + "supdsub;": "\u2ad8", + "supe;": "\u2287", + "supedot;": "\u2ac4", + "suphsol;": "\u27c9", + "suphsub;": "\u2ad7", + "suplarr;": "\u297b", + "supmult;": "\u2ac2", + "supnE;": "\u2acc", + "supne;": "\u228b", + "supplus;": "\u2ac0", + "supset;": "\u2283", + "supseteq;": "\u2287", + "supseteqq;": "\u2ac6", + "supsetneq;": "\u228b", + "supsetneqq;": "\u2acc", + "supsim;": "\u2ac8", + "supsub;": "\u2ad4", + "supsup;": "\u2ad6", + "swArr;": "\u21d9", + "swarhk;": "\u2926", + "swarr;": "\u2199", + "swarrow;": "\u2199", + "swnwar;": "\u292a", + "szlig": "\xdf", + "szlig;": "\xdf", + "target;": "\u2316", + "tau;": "\u03c4", + "tbrk;": "\u23b4", + "tcaron;": "\u0165", + "tcedil;": "\u0163", + "tcy;": "\u0442", + "tdot;": "\u20db", + "telrec;": "\u2315", + "tfr;": "\U0001d531", + "there4;": "\u2234", + "therefore;": "\u2234", + "theta;": "\u03b8", + "thetasym;": "\u03d1", + "thetav;": "\u03d1", + "thickapprox;": "\u2248", + "thicksim;": "\u223c", + "thinsp;": "\u2009", + "thkap;": "\u2248", + "thksim;": "\u223c", + "thorn": "\xfe", + "thorn;": "\xfe", + "tilde;": "\u02dc", + "times": "\xd7", + "times;": "\xd7", + "timesb;": "\u22a0", + "timesbar;": "\u2a31", + "timesd;": "\u2a30", + "tint;": "\u222d", + "toea;": "\u2928", + "top;": "\u22a4", + "topbot;": "\u2336", + "topcir;": "\u2af1", + "topf;": "\U0001d565", + "topfork;": "\u2ada", + "tosa;": "\u2929", + "tprime;": "\u2034", + "trade;": "\u2122", + "triangle;": "\u25b5", + "triangledown;": "\u25bf", + "triangleleft;": "\u25c3", + "trianglelefteq;": "\u22b4", + "triangleq;": "\u225c", + "triangleright;": "\u25b9", + "trianglerighteq;": "\u22b5", + "tridot;": "\u25ec", + "trie;": "\u225c", + "triminus;": "\u2a3a", + "triplus;": "\u2a39", + "trisb;": "\u29cd", + "tritime;": "\u2a3b", + "trpezium;": "\u23e2", + "tscr;": "\U0001d4c9", + "tscy;": "\u0446", + "tshcy;": "\u045b", + "tstrok;": "\u0167", + "twixt;": "\u226c", + "twoheadleftarrow;": "\u219e", + "twoheadrightarrow;": "\u21a0", + "uArr;": "\u21d1", + "uHar;": "\u2963", + "uacute": "\xfa", + "uacute;": "\xfa", + "uarr;": "\u2191", + "ubrcy;": "\u045e", + "ubreve;": "\u016d", + "ucirc": "\xfb", + "ucirc;": "\xfb", + "ucy;": "\u0443", + "udarr;": "\u21c5", + "udblac;": "\u0171", + "udhar;": "\u296e", + "ufisht;": "\u297e", + "ufr;": "\U0001d532", + "ugrave": "\xf9", + "ugrave;": "\xf9", + "uharl;": "\u21bf", + "uharr;": "\u21be", + "uhblk;": "\u2580", + "ulcorn;": "\u231c", + "ulcorner;": "\u231c", + "ulcrop;": "\u230f", + "ultri;": "\u25f8", + "umacr;": "\u016b", + "uml": "\xa8", + "uml;": "\xa8", + "uogon;": "\u0173", + "uopf;": "\U0001d566", + "uparrow;": "\u2191", + "updownarrow;": "\u2195", + "upharpoonleft;": "\u21bf", + "upharpoonright;": "\u21be", + "uplus;": "\u228e", + "upsi;": "\u03c5", + "upsih;": "\u03d2", + "upsilon;": "\u03c5", + "upuparrows;": "\u21c8", + "urcorn;": "\u231d", + "urcorner;": "\u231d", + "urcrop;": "\u230e", + "uring;": "\u016f", + "urtri;": "\u25f9", + "uscr;": "\U0001d4ca", + "utdot;": "\u22f0", + "utilde;": "\u0169", + "utri;": "\u25b5", + "utrif;": "\u25b4", + "uuarr;": "\u21c8", + "uuml": "\xfc", + "uuml;": "\xfc", + "uwangle;": "\u29a7", + "vArr;": "\u21d5", + "vBar;": "\u2ae8", + "vBarv;": "\u2ae9", + "vDash;": "\u22a8", + "vangrt;": "\u299c", + "varepsilon;": "\u03f5", + "varkappa;": "\u03f0", + "varnothing;": "\u2205", + "varphi;": "\u03d5", + "varpi;": "\u03d6", + "varpropto;": "\u221d", + "varr;": "\u2195", + "varrho;": "\u03f1", + "varsigma;": "\u03c2", + "varsubsetneq;": "\u228a\ufe00", + "varsubsetneqq;": "\u2acb\ufe00", + "varsupsetneq;": "\u228b\ufe00", + "varsupsetneqq;": "\u2acc\ufe00", + "vartheta;": "\u03d1", + "vartriangleleft;": "\u22b2", + "vartriangleright;": "\u22b3", + "vcy;": "\u0432", + "vdash;": "\u22a2", + "vee;": "\u2228", + "veebar;": "\u22bb", + "veeeq;": "\u225a", + "vellip;": "\u22ee", + "verbar;": "|", + "vert;": "|", + "vfr;": "\U0001d533", + "vltri;": "\u22b2", + "vnsub;": "\u2282\u20d2", + "vnsup;": "\u2283\u20d2", + "vopf;": "\U0001d567", + "vprop;": "\u221d", + "vrtri;": "\u22b3", + "vscr;": "\U0001d4cb", + "vsubnE;": "\u2acb\ufe00", + "vsubne;": "\u228a\ufe00", + "vsupnE;": "\u2acc\ufe00", + "vsupne;": "\u228b\ufe00", + "vzigzag;": "\u299a", + "wcirc;": "\u0175", + "wedbar;": "\u2a5f", + "wedge;": "\u2227", + "wedgeq;": "\u2259", + "weierp;": "\u2118", + "wfr;": "\U0001d534", + "wopf;": "\U0001d568", + "wp;": "\u2118", + "wr;": "\u2240", + "wreath;": "\u2240", + "wscr;": "\U0001d4cc", + "xcap;": "\u22c2", + "xcirc;": "\u25ef", + "xcup;": "\u22c3", + "xdtri;": "\u25bd", + "xfr;": "\U0001d535", + "xhArr;": "\u27fa", + "xharr;": "\u27f7", + "xi;": "\u03be", + "xlArr;": "\u27f8", + "xlarr;": "\u27f5", + "xmap;": "\u27fc", + "xnis;": "\u22fb", + "xodot;": "\u2a00", + "xopf;": "\U0001d569", + "xoplus;": "\u2a01", + "xotime;": "\u2a02", + "xrArr;": "\u27f9", + "xrarr;": "\u27f6", + "xscr;": "\U0001d4cd", + "xsqcup;": "\u2a06", + "xuplus;": "\u2a04", + "xutri;": "\u25b3", + "xvee;": "\u22c1", + "xwedge;": "\u22c0", + "yacute": "\xfd", + "yacute;": "\xfd", + "yacy;": "\u044f", + "ycirc;": "\u0177", + "ycy;": "\u044b", + "yen": "\xa5", + "yen;": "\xa5", + "yfr;": "\U0001d536", + "yicy;": "\u0457", + "yopf;": "\U0001d56a", + "yscr;": "\U0001d4ce", + "yucy;": "\u044e", + "yuml": "\xff", + "yuml;": "\xff", + "zacute;": "\u017a", + "zcaron;": "\u017e", + "zcy;": "\u0437", + "zdot;": "\u017c", + "zeetrf;": "\u2128", + "zeta;": "\u03b6", + "zfr;": "\U0001d537", + "zhcy;": "\u0436", + "zigrarr;": "\u21dd", + "zopf;": "\U0001d56b", + "zscr;": "\U0001d4cf", + "zwj;": "\u200d", + "zwnj;": "\u200c", +} + +replacementCharacters = { + 0x0: "\uFFFD", + 0x0d: "\u000D", + 0x80: "\u20AC", + 0x81: "\u0081", + 0x82: "\u201A", + 0x83: "\u0192", + 0x84: "\u201E", + 0x85: "\u2026", + 0x86: "\u2020", + 0x87: "\u2021", + 0x88: "\u02C6", + 0x89: "\u2030", + 0x8A: "\u0160", + 0x8B: "\u2039", + 0x8C: "\u0152", + 0x8D: "\u008D", + 0x8E: "\u017D", + 0x8F: "\u008F", + 0x90: "\u0090", + 0x91: "\u2018", + 0x92: "\u2019", + 0x93: "\u201C", + 0x94: "\u201D", + 0x95: "\u2022", + 0x96: "\u2013", + 0x97: "\u2014", + 0x98: "\u02DC", + 0x99: "\u2122", + 0x9A: "\u0161", + 0x9B: "\u203A", + 0x9C: "\u0153", + 0x9D: "\u009D", + 0x9E: "\u017E", + 0x9F: "\u0178", +} + +tokenTypes = { + "Doctype": 0, + "Characters": 1, + "SpaceCharacters": 2, + "StartTag": 3, + "EndTag": 4, + "EmptyTag": 5, + "Comment": 6, + "ParseError": 7 +} + +tagTokenTypes = frozenset([tokenTypes["StartTag"], tokenTypes["EndTag"], + tokenTypes["EmptyTag"]]) + + +prefixes = dict([(v, k) for k, v in namespaces.items()]) +prefixes["http://www.w3.org/1998/Math/MathML"] = "math" + + +class DataLossWarning(UserWarning): + """Raised when the current tree is unable to represent the input data""" + pass + + +class _ReparseException(Exception): + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/alphabeticalattributes.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/alphabeticalattributes.py new file mode 100644 index 0000000..5ba926e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/alphabeticalattributes.py @@ -0,0 +1,29 @@ +from __future__ import absolute_import, division, unicode_literals + +from . import base + +from collections import OrderedDict + + +def _attr_key(attr): + """Return an appropriate key for an attribute for sorting + + Attributes have a namespace that can be either ``None`` or a string. We + can't compare the two because they're different types, so we convert + ``None`` to an empty string first. + + """ + return (attr[0][0] or ''), attr[0][1] + + +class Filter(base.Filter): + """Alphabetizes attributes for elements""" + def __iter__(self): + for token in base.Filter.__iter__(self): + if token["type"] in ("StartTag", "EmptyTag"): + attrs = OrderedDict() + for name, value in sorted(token["data"].items(), + key=_attr_key): + attrs[name] = value + token["data"] = attrs + yield token diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/base.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/base.py new file mode 100644 index 0000000..c7dbaed --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/base.py @@ -0,0 +1,12 @@ +from __future__ import absolute_import, division, unicode_literals + + +class Filter(object): + def __init__(self, source): + self.source = source + + def __iter__(self): + return iter(self.source) + + def __getattr__(self, name): + return getattr(self.source, name) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/inject_meta_charset.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/inject_meta_charset.py new file mode 100644 index 0000000..aefb5c8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/inject_meta_charset.py @@ -0,0 +1,73 @@ +from __future__ import absolute_import, division, unicode_literals + +from . import base + + +class Filter(base.Filter): + """Injects ``<meta charset=ENCODING>`` tag into head of document""" + def __init__(self, source, encoding): + """Creates a Filter + + :arg source: the source token stream + + :arg encoding: the encoding to set + + """ + base.Filter.__init__(self, source) + self.encoding = encoding + + def __iter__(self): + state = "pre_head" + meta_found = (self.encoding is None) + pending = [] + + for token in base.Filter.__iter__(self): + type = token["type"] + if type == "StartTag": + if token["name"].lower() == "head": + state = "in_head" + + elif type == "EmptyTag": + if token["name"].lower() == "meta": + # replace charset with actual encoding + has_http_equiv_content_type = False + for (namespace, name), value in token["data"].items(): + if namespace is not None: + continue + elif name.lower() == 'charset': + token["data"][(namespace, name)] = self.encoding + meta_found = True + break + elif name == 'http-equiv' and value.lower() == 'content-type': + has_http_equiv_content_type = True + else: + if has_http_equiv_content_type and (None, "content") in token["data"]: + token["data"][(None, "content")] = 'text/html; charset=%s' % self.encoding + meta_found = True + + elif token["name"].lower() == "head" and not meta_found: + # insert meta into empty head + yield {"type": "StartTag", "name": "head", + "data": token["data"]} + yield {"type": "EmptyTag", "name": "meta", + "data": {(None, "charset"): self.encoding}} + yield {"type": "EndTag", "name": "head"} + meta_found = True + continue + + elif type == "EndTag": + if token["name"].lower() == "head" and pending: + # insert meta into head (if necessary) and flush pending queue + yield pending.pop(0) + if not meta_found: + yield {"type": "EmptyTag", "name": "meta", + "data": {(None, "charset"): self.encoding}} + while pending: + yield pending.pop(0) + meta_found = True + state = "post_head" + + if state == "in_head": + pending.append(token) + else: + yield token diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/lint.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/lint.py new file mode 100644 index 0000000..fcc07ee --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/lint.py @@ -0,0 +1,93 @@ +from __future__ import absolute_import, division, unicode_literals + +from pip._vendor.six import text_type + +from . import base +from ..constants import namespaces, voidElements + +from ..constants import spaceCharacters +spaceCharacters = "".join(spaceCharacters) + + +class Filter(base.Filter): + """Lints the token stream for errors + + If it finds any errors, it'll raise an ``AssertionError``. + + """ + def __init__(self, source, require_matching_tags=True): + """Creates a Filter + + :arg source: the source token stream + + :arg require_matching_tags: whether or not to require matching tags + + """ + super(Filter, self).__init__(source) + self.require_matching_tags = require_matching_tags + + def __iter__(self): + open_elements = [] + for token in base.Filter.__iter__(self): + type = token["type"] + if type in ("StartTag", "EmptyTag"): + namespace = token["namespace"] + name = token["name"] + assert namespace is None or isinstance(namespace, text_type) + assert namespace != "" + assert isinstance(name, text_type) + assert name != "" + assert isinstance(token["data"], dict) + if (not namespace or namespace == namespaces["html"]) and name in voidElements: + assert type == "EmptyTag" + else: + assert type == "StartTag" + if type == "StartTag" and self.require_matching_tags: + open_elements.append((namespace, name)) + for (namespace, name), value in token["data"].items(): + assert namespace is None or isinstance(namespace, text_type) + assert namespace != "" + assert isinstance(name, text_type) + assert name != "" + assert isinstance(value, text_type) + + elif type == "EndTag": + namespace = token["namespace"] + name = token["name"] + assert namespace is None or isinstance(namespace, text_type) + assert namespace != "" + assert isinstance(name, text_type) + assert name != "" + if (not namespace or namespace == namespaces["html"]) and name in voidElements: + assert False, "Void element reported as EndTag token: %(tag)s" % {"tag": name} + elif self.require_matching_tags: + start = open_elements.pop() + assert start == (namespace, name) + + elif type == "Comment": + data = token["data"] + assert isinstance(data, text_type) + + elif type in ("Characters", "SpaceCharacters"): + data = token["data"] + assert isinstance(data, text_type) + assert data != "" + if type == "SpaceCharacters": + assert data.strip(spaceCharacters) == "" + + elif type == "Doctype": + name = token["name"] + assert name is None or isinstance(name, text_type) + assert token["publicId"] is None or isinstance(name, text_type) + assert token["systemId"] is None or isinstance(name, text_type) + + elif type == "Entity": + assert isinstance(token["name"], text_type) + + elif type == "SerializerError": + assert isinstance(token["data"], text_type) + + else: + assert False, "Unknown token type: %(type)s" % {"type": type} + + yield token diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/optionaltags.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/optionaltags.py new file mode 100644 index 0000000..4a86501 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/optionaltags.py @@ -0,0 +1,207 @@ +from __future__ import absolute_import, division, unicode_literals + +from . import base + + +class Filter(base.Filter): + """Removes optional tags from the token stream""" + def slider(self): + previous1 = previous2 = None + for token in self.source: + if previous1 is not None: + yield previous2, previous1, token + previous2 = previous1 + previous1 = token + if previous1 is not None: + yield previous2, previous1, None + + def __iter__(self): + for previous, token, next in self.slider(): + type = token["type"] + if type == "StartTag": + if (token["data"] or + not self.is_optional_start(token["name"], previous, next)): + yield token + elif type == "EndTag": + if not self.is_optional_end(token["name"], next): + yield token + else: + yield token + + def is_optional_start(self, tagname, previous, next): + type = next and next["type"] or None + if tagname in 'html': + # An html element's start tag may be omitted if the first thing + # inside the html element is not a space character or a comment. + return type not in ("Comment", "SpaceCharacters") + elif tagname == 'head': + # A head element's start tag may be omitted if the first thing + # inside the head element is an element. + # XXX: we also omit the start tag if the head element is empty + if type in ("StartTag", "EmptyTag"): + return True + elif type == "EndTag": + return next["name"] == "head" + elif tagname == 'body': + # A body element's start tag may be omitted if the first thing + # inside the body element is not a space character or a comment, + # except if the first thing inside the body element is a script + # or style element and the node immediately preceding the body + # element is a head element whose end tag has been omitted. + if type in ("Comment", "SpaceCharacters"): + return False + elif type == "StartTag": + # XXX: we do not look at the preceding event, so we never omit + # the body element's start tag if it's followed by a script or + # a style element. + return next["name"] not in ('script', 'style') + else: + return True + elif tagname == 'colgroup': + # A colgroup element's start tag may be omitted if the first thing + # inside the colgroup element is a col element, and if the element + # is not immediately preceded by another colgroup element whose + # end tag has been omitted. + if type in ("StartTag", "EmptyTag"): + # XXX: we do not look at the preceding event, so instead we never + # omit the colgroup element's end tag when it is immediately + # followed by another colgroup element. See is_optional_end. + return next["name"] == "col" + else: + return False + elif tagname == 'tbody': + # A tbody element's start tag may be omitted if the first thing + # inside the tbody element is a tr element, and if the element is + # not immediately preceded by a tbody, thead, or tfoot element + # whose end tag has been omitted. + if type == "StartTag": + # omit the thead and tfoot elements' end tag when they are + # immediately followed by a tbody element. See is_optional_end. + if previous and previous['type'] == 'EndTag' and \ + previous['name'] in ('tbody', 'thead', 'tfoot'): + return False + return next["name"] == 'tr' + else: + return False + return False + + def is_optional_end(self, tagname, next): + type = next and next["type"] or None + if tagname in ('html', 'head', 'body'): + # An html element's end tag may be omitted if the html element + # is not immediately followed by a space character or a comment. + return type not in ("Comment", "SpaceCharacters") + elif tagname in ('li', 'optgroup', 'tr'): + # A li element's end tag may be omitted if the li element is + # immediately followed by another li element or if there is + # no more content in the parent element. + # An optgroup element's end tag may be omitted if the optgroup + # element is immediately followed by another optgroup element, + # or if there is no more content in the parent element. + # A tr element's end tag may be omitted if the tr element is + # immediately followed by another tr element, or if there is + # no more content in the parent element. + if type == "StartTag": + return next["name"] == tagname + else: + return type == "EndTag" or type is None + elif tagname in ('dt', 'dd'): + # A dt element's end tag may be omitted if the dt element is + # immediately followed by another dt element or a dd element. + # A dd element's end tag may be omitted if the dd element is + # immediately followed by another dd element or a dt element, + # or if there is no more content in the parent element. + if type == "StartTag": + return next["name"] in ('dt', 'dd') + elif tagname == 'dd': + return type == "EndTag" or type is None + else: + return False + elif tagname == 'p': + # A p element's end tag may be omitted if the p element is + # immediately followed by an address, article, aside, + # blockquote, datagrid, dialog, dir, div, dl, fieldset, + # footer, form, h1, h2, h3, h4, h5, h6, header, hr, menu, + # nav, ol, p, pre, section, table, or ul, element, or if + # there is no more content in the parent element. + if type in ("StartTag", "EmptyTag"): + return next["name"] in ('address', 'article', 'aside', + 'blockquote', 'datagrid', 'dialog', + 'dir', 'div', 'dl', 'fieldset', 'footer', + 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', + 'header', 'hr', 'menu', 'nav', 'ol', + 'p', 'pre', 'section', 'table', 'ul') + else: + return type == "EndTag" or type is None + elif tagname == 'option': + # An option element's end tag may be omitted if the option + # element is immediately followed by another option element, + # or if it is immediately followed by an <code>optgroup</code> + # element, or if there is no more content in the parent + # element. + if type == "StartTag": + return next["name"] in ('option', 'optgroup') + else: + return type == "EndTag" or type is None + elif tagname in ('rt', 'rp'): + # An rt element's end tag may be omitted if the rt element is + # immediately followed by an rt or rp element, or if there is + # no more content in the parent element. + # An rp element's end tag may be omitted if the rp element is + # immediately followed by an rt or rp element, or if there is + # no more content in the parent element. + if type == "StartTag": + return next["name"] in ('rt', 'rp') + else: + return type == "EndTag" or type is None + elif tagname == 'colgroup': + # A colgroup element's end tag may be omitted if the colgroup + # element is not immediately followed by a space character or + # a comment. + if type in ("Comment", "SpaceCharacters"): + return False + elif type == "StartTag": + # XXX: we also look for an immediately following colgroup + # element. See is_optional_start. + return next["name"] != 'colgroup' + else: + return True + elif tagname in ('thead', 'tbody'): + # A thead element's end tag may be omitted if the thead element + # is immediately followed by a tbody or tfoot element. + # A tbody element's end tag may be omitted if the tbody element + # is immediately followed by a tbody or tfoot element, or if + # there is no more content in the parent element. + # A tfoot element's end tag may be omitted if the tfoot element + # is immediately followed by a tbody element, or if there is no + # more content in the parent element. + # XXX: we never omit the end tag when the following element is + # a tbody. See is_optional_start. + if type == "StartTag": + return next["name"] in ['tbody', 'tfoot'] + elif tagname == 'tbody': + return type == "EndTag" or type is None + else: + return False + elif tagname == 'tfoot': + # A tfoot element's end tag may be omitted if the tfoot element + # is immediately followed by a tbody element, or if there is no + # more content in the parent element. + # XXX: we never omit the end tag when the following element is + # a tbody. See is_optional_start. + if type == "StartTag": + return next["name"] == 'tbody' + else: + return type == "EndTag" or type is None + elif tagname in ('td', 'th'): + # A td element's end tag may be omitted if the td element is + # immediately followed by a td or th element, or if there is + # no more content in the parent element. + # A th element's end tag may be omitted if the th element is + # immediately followed by a td or th element, or if there is + # no more content in the parent element. + if type == "StartTag": + return next["name"] in ('td', 'th') + else: + return type == "EndTag" or type is None + return False diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/sanitizer.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/sanitizer.py new file mode 100644 index 0000000..af8e77b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/sanitizer.py @@ -0,0 +1,896 @@ +from __future__ import absolute_import, division, unicode_literals + +import re +from xml.sax.saxutils import escape, unescape + +from pip._vendor.six.moves import urllib_parse as urlparse + +from . import base +from ..constants import namespaces, prefixes + +__all__ = ["Filter"] + + +allowed_elements = frozenset(( + (namespaces['html'], 'a'), + (namespaces['html'], 'abbr'), + (namespaces['html'], 'acronym'), + (namespaces['html'], 'address'), + (namespaces['html'], 'area'), + (namespaces['html'], 'article'), + (namespaces['html'], 'aside'), + (namespaces['html'], 'audio'), + (namespaces['html'], 'b'), + (namespaces['html'], 'big'), + (namespaces['html'], 'blockquote'), + (namespaces['html'], 'br'), + (namespaces['html'], 'button'), + (namespaces['html'], 'canvas'), + (namespaces['html'], 'caption'), + (namespaces['html'], 'center'), + (namespaces['html'], 'cite'), + (namespaces['html'], 'code'), + (namespaces['html'], 'col'), + (namespaces['html'], 'colgroup'), + (namespaces['html'], 'command'), + (namespaces['html'], 'datagrid'), + (namespaces['html'], 'datalist'), + (namespaces['html'], 'dd'), + (namespaces['html'], 'del'), + (namespaces['html'], 'details'), + (namespaces['html'], 'dfn'), + (namespaces['html'], 'dialog'), + (namespaces['html'], 'dir'), + (namespaces['html'], 'div'), + (namespaces['html'], 'dl'), + (namespaces['html'], 'dt'), + (namespaces['html'], 'em'), + (namespaces['html'], 'event-source'), + (namespaces['html'], 'fieldset'), + (namespaces['html'], 'figcaption'), + (namespaces['html'], 'figure'), + (namespaces['html'], 'footer'), + (namespaces['html'], 'font'), + (namespaces['html'], 'form'), + (namespaces['html'], 'header'), + (namespaces['html'], 'h1'), + (namespaces['html'], 'h2'), + (namespaces['html'], 'h3'), + (namespaces['html'], 'h4'), + (namespaces['html'], 'h5'), + (namespaces['html'], 'h6'), + (namespaces['html'], 'hr'), + (namespaces['html'], 'i'), + (namespaces['html'], 'img'), + (namespaces['html'], 'input'), + (namespaces['html'], 'ins'), + (namespaces['html'], 'keygen'), + (namespaces['html'], 'kbd'), + (namespaces['html'], 'label'), + (namespaces['html'], 'legend'), + (namespaces['html'], 'li'), + (namespaces['html'], 'm'), + (namespaces['html'], 'map'), + (namespaces['html'], 'menu'), + (namespaces['html'], 'meter'), + (namespaces['html'], 'multicol'), + (namespaces['html'], 'nav'), + (namespaces['html'], 'nextid'), + (namespaces['html'], 'ol'), + (namespaces['html'], 'output'), + (namespaces['html'], 'optgroup'), + (namespaces['html'], 'option'), + (namespaces['html'], 'p'), + (namespaces['html'], 'pre'), + (namespaces['html'], 'progress'), + (namespaces['html'], 'q'), + (namespaces['html'], 's'), + (namespaces['html'], 'samp'), + (namespaces['html'], 'section'), + (namespaces['html'], 'select'), + (namespaces['html'], 'small'), + (namespaces['html'], 'sound'), + (namespaces['html'], 'source'), + (namespaces['html'], 'spacer'), + (namespaces['html'], 'span'), + (namespaces['html'], 'strike'), + (namespaces['html'], 'strong'), + (namespaces['html'], 'sub'), + (namespaces['html'], 'sup'), + (namespaces['html'], 'table'), + (namespaces['html'], 'tbody'), + (namespaces['html'], 'td'), + (namespaces['html'], 'textarea'), + (namespaces['html'], 'time'), + (namespaces['html'], 'tfoot'), + (namespaces['html'], 'th'), + (namespaces['html'], 'thead'), + (namespaces['html'], 'tr'), + (namespaces['html'], 'tt'), + (namespaces['html'], 'u'), + (namespaces['html'], 'ul'), + (namespaces['html'], 'var'), + (namespaces['html'], 'video'), + (namespaces['mathml'], 'maction'), + (namespaces['mathml'], 'math'), + (namespaces['mathml'], 'merror'), + (namespaces['mathml'], 'mfrac'), + (namespaces['mathml'], 'mi'), + (namespaces['mathml'], 'mmultiscripts'), + (namespaces['mathml'], 'mn'), + (namespaces['mathml'], 'mo'), + (namespaces['mathml'], 'mover'), + (namespaces['mathml'], 'mpadded'), + (namespaces['mathml'], 'mphantom'), + (namespaces['mathml'], 'mprescripts'), + (namespaces['mathml'], 'mroot'), + (namespaces['mathml'], 'mrow'), + (namespaces['mathml'], 'mspace'), + (namespaces['mathml'], 'msqrt'), + (namespaces['mathml'], 'mstyle'), + (namespaces['mathml'], 'msub'), + (namespaces['mathml'], 'msubsup'), + (namespaces['mathml'], 'msup'), + (namespaces['mathml'], 'mtable'), + (namespaces['mathml'], 'mtd'), + (namespaces['mathml'], 'mtext'), + (namespaces['mathml'], 'mtr'), + (namespaces['mathml'], 'munder'), + (namespaces['mathml'], 'munderover'), + (namespaces['mathml'], 'none'), + (namespaces['svg'], 'a'), + (namespaces['svg'], 'animate'), + (namespaces['svg'], 'animateColor'), + (namespaces['svg'], 'animateMotion'), + (namespaces['svg'], 'animateTransform'), + (namespaces['svg'], 'clipPath'), + (namespaces['svg'], 'circle'), + (namespaces['svg'], 'defs'), + (namespaces['svg'], 'desc'), + (namespaces['svg'], 'ellipse'), + (namespaces['svg'], 'font-face'), + (namespaces['svg'], 'font-face-name'), + (namespaces['svg'], 'font-face-src'), + (namespaces['svg'], 'g'), + (namespaces['svg'], 'glyph'), + (namespaces['svg'], 'hkern'), + (namespaces['svg'], 'linearGradient'), + (namespaces['svg'], 'line'), + (namespaces['svg'], 'marker'), + (namespaces['svg'], 'metadata'), + (namespaces['svg'], 'missing-glyph'), + (namespaces['svg'], 'mpath'), + (namespaces['svg'], 'path'), + (namespaces['svg'], 'polygon'), + (namespaces['svg'], 'polyline'), + (namespaces['svg'], 'radialGradient'), + (namespaces['svg'], 'rect'), + (namespaces['svg'], 'set'), + (namespaces['svg'], 'stop'), + (namespaces['svg'], 'svg'), + (namespaces['svg'], 'switch'), + (namespaces['svg'], 'text'), + (namespaces['svg'], 'title'), + (namespaces['svg'], 'tspan'), + (namespaces['svg'], 'use'), +)) + +allowed_attributes = frozenset(( + # HTML attributes + (None, 'abbr'), + (None, 'accept'), + (None, 'accept-charset'), + (None, 'accesskey'), + (None, 'action'), + (None, 'align'), + (None, 'alt'), + (None, 'autocomplete'), + (None, 'autofocus'), + (None, 'axis'), + (None, 'background'), + (None, 'balance'), + (None, 'bgcolor'), + (None, 'bgproperties'), + (None, 'border'), + (None, 'bordercolor'), + (None, 'bordercolordark'), + (None, 'bordercolorlight'), + (None, 'bottompadding'), + (None, 'cellpadding'), + (None, 'cellspacing'), + (None, 'ch'), + (None, 'challenge'), + (None, 'char'), + (None, 'charoff'), + (None, 'choff'), + (None, 'charset'), + (None, 'checked'), + (None, 'cite'), + (None, 'class'), + (None, 'clear'), + (None, 'color'), + (None, 'cols'), + (None, 'colspan'), + (None, 'compact'), + (None, 'contenteditable'), + (None, 'controls'), + (None, 'coords'), + (None, 'data'), + (None, 'datafld'), + (None, 'datapagesize'), + (None, 'datasrc'), + (None, 'datetime'), + (None, 'default'), + (None, 'delay'), + (None, 'dir'), + (None, 'disabled'), + (None, 'draggable'), + (None, 'dynsrc'), + (None, 'enctype'), + (None, 'end'), + (None, 'face'), + (None, 'for'), + (None, 'form'), + (None, 'frame'), + (None, 'galleryimg'), + (None, 'gutter'), + (None, 'headers'), + (None, 'height'), + (None, 'hidefocus'), + (None, 'hidden'), + (None, 'high'), + (None, 'href'), + (None, 'hreflang'), + (None, 'hspace'), + (None, 'icon'), + (None, 'id'), + (None, 'inputmode'), + (None, 'ismap'), + (None, 'keytype'), + (None, 'label'), + (None, 'leftspacing'), + (None, 'lang'), + (None, 'list'), + (None, 'longdesc'), + (None, 'loop'), + (None, 'loopcount'), + (None, 'loopend'), + (None, 'loopstart'), + (None, 'low'), + (None, 'lowsrc'), + (None, 'max'), + (None, 'maxlength'), + (None, 'media'), + (None, 'method'), + (None, 'min'), + (None, 'multiple'), + (None, 'name'), + (None, 'nohref'), + (None, 'noshade'), + (None, 'nowrap'), + (None, 'open'), + (None, 'optimum'), + (None, 'pattern'), + (None, 'ping'), + (None, 'point-size'), + (None, 'poster'), + (None, 'pqg'), + (None, 'preload'), + (None, 'prompt'), + (None, 'radiogroup'), + (None, 'readonly'), + (None, 'rel'), + (None, 'repeat-max'), + (None, 'repeat-min'), + (None, 'replace'), + (None, 'required'), + (None, 'rev'), + (None, 'rightspacing'), + (None, 'rows'), + (None, 'rowspan'), + (None, 'rules'), + (None, 'scope'), + (None, 'selected'), + (None, 'shape'), + (None, 'size'), + (None, 'span'), + (None, 'src'), + (None, 'start'), + (None, 'step'), + (None, 'style'), + (None, 'summary'), + (None, 'suppress'), + (None, 'tabindex'), + (None, 'target'), + (None, 'template'), + (None, 'title'), + (None, 'toppadding'), + (None, 'type'), + (None, 'unselectable'), + (None, 'usemap'), + (None, 'urn'), + (None, 'valign'), + (None, 'value'), + (None, 'variable'), + (None, 'volume'), + (None, 'vspace'), + (None, 'vrml'), + (None, 'width'), + (None, 'wrap'), + (namespaces['xml'], 'lang'), + # MathML attributes + (None, 'actiontype'), + (None, 'align'), + (None, 'columnalign'), + (None, 'columnalign'), + (None, 'columnalign'), + (None, 'columnlines'), + (None, 'columnspacing'), + (None, 'columnspan'), + (None, 'depth'), + (None, 'display'), + (None, 'displaystyle'), + (None, 'equalcolumns'), + (None, 'equalrows'), + (None, 'fence'), + (None, 'fontstyle'), + (None, 'fontweight'), + (None, 'frame'), + (None, 'height'), + (None, 'linethickness'), + (None, 'lspace'), + (None, 'mathbackground'), + (None, 'mathcolor'), + (None, 'mathvariant'), + (None, 'mathvariant'), + (None, 'maxsize'), + (None, 'minsize'), + (None, 'other'), + (None, 'rowalign'), + (None, 'rowalign'), + (None, 'rowalign'), + (None, 'rowlines'), + (None, 'rowspacing'), + (None, 'rowspan'), + (None, 'rspace'), + (None, 'scriptlevel'), + (None, 'selection'), + (None, 'separator'), + (None, 'stretchy'), + (None, 'width'), + (None, 'width'), + (namespaces['xlink'], 'href'), + (namespaces['xlink'], 'show'), + (namespaces['xlink'], 'type'), + # SVG attributes + (None, 'accent-height'), + (None, 'accumulate'), + (None, 'additive'), + (None, 'alphabetic'), + (None, 'arabic-form'), + (None, 'ascent'), + (None, 'attributeName'), + (None, 'attributeType'), + (None, 'baseProfile'), + (None, 'bbox'), + (None, 'begin'), + (None, 'by'), + (None, 'calcMode'), + (None, 'cap-height'), + (None, 'class'), + (None, 'clip-path'), + (None, 'color'), + (None, 'color-rendering'), + (None, 'content'), + (None, 'cx'), + (None, 'cy'), + (None, 'd'), + (None, 'dx'), + (None, 'dy'), + (None, 'descent'), + (None, 'display'), + (None, 'dur'), + (None, 'end'), + (None, 'fill'), + (None, 'fill-opacity'), + (None, 'fill-rule'), + (None, 'font-family'), + (None, 'font-size'), + (None, 'font-stretch'), + (None, 'font-style'), + (None, 'font-variant'), + (None, 'font-weight'), + (None, 'from'), + (None, 'fx'), + (None, 'fy'), + (None, 'g1'), + (None, 'g2'), + (None, 'glyph-name'), + (None, 'gradientUnits'), + (None, 'hanging'), + (None, 'height'), + (None, 'horiz-adv-x'), + (None, 'horiz-origin-x'), + (None, 'id'), + (None, 'ideographic'), + (None, 'k'), + (None, 'keyPoints'), + (None, 'keySplines'), + (None, 'keyTimes'), + (None, 'lang'), + (None, 'marker-end'), + (None, 'marker-mid'), + (None, 'marker-start'), + (None, 'markerHeight'), + (None, 'markerUnits'), + (None, 'markerWidth'), + (None, 'mathematical'), + (None, 'max'), + (None, 'min'), + (None, 'name'), + (None, 'offset'), + (None, 'opacity'), + (None, 'orient'), + (None, 'origin'), + (None, 'overline-position'), + (None, 'overline-thickness'), + (None, 'panose-1'), + (None, 'path'), + (None, 'pathLength'), + (None, 'points'), + (None, 'preserveAspectRatio'), + (None, 'r'), + (None, 'refX'), + (None, 'refY'), + (None, 'repeatCount'), + (None, 'repeatDur'), + (None, 'requiredExtensions'), + (None, 'requiredFeatures'), + (None, 'restart'), + (None, 'rotate'), + (None, 'rx'), + (None, 'ry'), + (None, 'slope'), + (None, 'stemh'), + (None, 'stemv'), + (None, 'stop-color'), + (None, 'stop-opacity'), + (None, 'strikethrough-position'), + (None, 'strikethrough-thickness'), + (None, 'stroke'), + (None, 'stroke-dasharray'), + (None, 'stroke-dashoffset'), + (None, 'stroke-linecap'), + (None, 'stroke-linejoin'), + (None, 'stroke-miterlimit'), + (None, 'stroke-opacity'), + (None, 'stroke-width'), + (None, 'systemLanguage'), + (None, 'target'), + (None, 'text-anchor'), + (None, 'to'), + (None, 'transform'), + (None, 'type'), + (None, 'u1'), + (None, 'u2'), + (None, 'underline-position'), + (None, 'underline-thickness'), + (None, 'unicode'), + (None, 'unicode-range'), + (None, 'units-per-em'), + (None, 'values'), + (None, 'version'), + (None, 'viewBox'), + (None, 'visibility'), + (None, 'width'), + (None, 'widths'), + (None, 'x'), + (None, 'x-height'), + (None, 'x1'), + (None, 'x2'), + (namespaces['xlink'], 'actuate'), + (namespaces['xlink'], 'arcrole'), + (namespaces['xlink'], 'href'), + (namespaces['xlink'], 'role'), + (namespaces['xlink'], 'show'), + (namespaces['xlink'], 'title'), + (namespaces['xlink'], 'type'), + (namespaces['xml'], 'base'), + (namespaces['xml'], 'lang'), + (namespaces['xml'], 'space'), + (None, 'y'), + (None, 'y1'), + (None, 'y2'), + (None, 'zoomAndPan'), +)) + +attr_val_is_uri = frozenset(( + (None, 'href'), + (None, 'src'), + (None, 'cite'), + (None, 'action'), + (None, 'longdesc'), + (None, 'poster'), + (None, 'background'), + (None, 'datasrc'), + (None, 'dynsrc'), + (None, 'lowsrc'), + (None, 'ping'), + (namespaces['xlink'], 'href'), + (namespaces['xml'], 'base'), +)) + +svg_attr_val_allows_ref = frozenset(( + (None, 'clip-path'), + (None, 'color-profile'), + (None, 'cursor'), + (None, 'fill'), + (None, 'filter'), + (None, 'marker'), + (None, 'marker-start'), + (None, 'marker-mid'), + (None, 'marker-end'), + (None, 'mask'), + (None, 'stroke'), +)) + +svg_allow_local_href = frozenset(( + (None, 'altGlyph'), + (None, 'animate'), + (None, 'animateColor'), + (None, 'animateMotion'), + (None, 'animateTransform'), + (None, 'cursor'), + (None, 'feImage'), + (None, 'filter'), + (None, 'linearGradient'), + (None, 'pattern'), + (None, 'radialGradient'), + (None, 'textpath'), + (None, 'tref'), + (None, 'set'), + (None, 'use') +)) + +allowed_css_properties = frozenset(( + 'azimuth', + 'background-color', + 'border-bottom-color', + 'border-collapse', + 'border-color', + 'border-left-color', + 'border-right-color', + 'border-top-color', + 'clear', + 'color', + 'cursor', + 'direction', + 'display', + 'elevation', + 'float', + 'font', + 'font-family', + 'font-size', + 'font-style', + 'font-variant', + 'font-weight', + 'height', + 'letter-spacing', + 'line-height', + 'overflow', + 'pause', + 'pause-after', + 'pause-before', + 'pitch', + 'pitch-range', + 'richness', + 'speak', + 'speak-header', + 'speak-numeral', + 'speak-punctuation', + 'speech-rate', + 'stress', + 'text-align', + 'text-decoration', + 'text-indent', + 'unicode-bidi', + 'vertical-align', + 'voice-family', + 'volume', + 'white-space', + 'width', +)) + +allowed_css_keywords = frozenset(( + 'auto', + 'aqua', + 'black', + 'block', + 'blue', + 'bold', + 'both', + 'bottom', + 'brown', + 'center', + 'collapse', + 'dashed', + 'dotted', + 'fuchsia', + 'gray', + 'green', + '!important', + 'italic', + 'left', + 'lime', + 'maroon', + 'medium', + 'none', + 'navy', + 'normal', + 'nowrap', + 'olive', + 'pointer', + 'purple', + 'red', + 'right', + 'solid', + 'silver', + 'teal', + 'top', + 'transparent', + 'underline', + 'white', + 'yellow', +)) + +allowed_svg_properties = frozenset(( + 'fill', + 'fill-opacity', + 'fill-rule', + 'stroke', + 'stroke-width', + 'stroke-linecap', + 'stroke-linejoin', + 'stroke-opacity', +)) + +allowed_protocols = frozenset(( + 'ed2k', + 'ftp', + 'http', + 'https', + 'irc', + 'mailto', + 'news', + 'gopher', + 'nntp', + 'telnet', + 'webcal', + 'xmpp', + 'callto', + 'feed', + 'urn', + 'aim', + 'rsync', + 'tag', + 'ssh', + 'sftp', + 'rtsp', + 'afs', + 'data', +)) + +allowed_content_types = frozenset(( + 'image/png', + 'image/jpeg', + 'image/gif', + 'image/webp', + 'image/bmp', + 'text/plain', +)) + + +data_content_type = re.compile(r''' + ^ + # Match a content type <application>/<type> + (?P<content_type>[-a-zA-Z0-9.]+/[-a-zA-Z0-9.]+) + # Match any character set and encoding + (?:(?:;charset=(?:[-a-zA-Z0-9]+)(?:;(?:base64))?) + |(?:;(?:base64))?(?:;charset=(?:[-a-zA-Z0-9]+))?) + # Assume the rest is data + ,.* + $ + ''', + re.VERBOSE) + + +class Filter(base.Filter): + """Sanitizes token stream of XHTML+MathML+SVG and of inline style attributes""" + def __init__(self, + source, + allowed_elements=allowed_elements, + allowed_attributes=allowed_attributes, + allowed_css_properties=allowed_css_properties, + allowed_css_keywords=allowed_css_keywords, + allowed_svg_properties=allowed_svg_properties, + allowed_protocols=allowed_protocols, + allowed_content_types=allowed_content_types, + attr_val_is_uri=attr_val_is_uri, + svg_attr_val_allows_ref=svg_attr_val_allows_ref, + svg_allow_local_href=svg_allow_local_href): + """Creates a Filter + + :arg allowed_elements: set of elements to allow--everything else will + be escaped + + :arg allowed_attributes: set of attributes to allow in + elements--everything else will be stripped + + :arg allowed_css_properties: set of CSS properties to allow--everything + else will be stripped + + :arg allowed_css_keywords: set of CSS keywords to allow--everything + else will be stripped + + :arg allowed_svg_properties: set of SVG properties to allow--everything + else will be removed + + :arg allowed_protocols: set of allowed protocols for URIs + + :arg allowed_content_types: set of allowed content types for ``data`` URIs. + + :arg attr_val_is_uri: set of attributes that have URI values--values + that have a scheme not listed in ``allowed_protocols`` are removed + + :arg svg_attr_val_allows_ref: set of SVG attributes that can have + references + + :arg svg_allow_local_href: set of SVG elements that can have local + hrefs--these are removed + + """ + super(Filter, self).__init__(source) + self.allowed_elements = allowed_elements + self.allowed_attributes = allowed_attributes + self.allowed_css_properties = allowed_css_properties + self.allowed_css_keywords = allowed_css_keywords + self.allowed_svg_properties = allowed_svg_properties + self.allowed_protocols = allowed_protocols + self.allowed_content_types = allowed_content_types + self.attr_val_is_uri = attr_val_is_uri + self.svg_attr_val_allows_ref = svg_attr_val_allows_ref + self.svg_allow_local_href = svg_allow_local_href + + def __iter__(self): + for token in base.Filter.__iter__(self): + token = self.sanitize_token(token) + if token: + yield token + + # Sanitize the +html+, escaping all elements not in ALLOWED_ELEMENTS, and + # stripping out all attributes not in ALLOWED_ATTRIBUTES. Style attributes + # are parsed, and a restricted set, specified by ALLOWED_CSS_PROPERTIES and + # ALLOWED_CSS_KEYWORDS, are allowed through. attributes in ATTR_VAL_IS_URI + # are scanned, and only URI schemes specified in ALLOWED_PROTOCOLS are + # allowed. + # + # sanitize_html('<script> do_nasty_stuff() </script>') + # => <script> do_nasty_stuff() </script> + # sanitize_html('<a href="javascript: sucker();">Click here for $100</a>') + # => <a>Click here for $100</a> + def sanitize_token(self, token): + + # accommodate filters which use token_type differently + token_type = token["type"] + if token_type in ("StartTag", "EndTag", "EmptyTag"): + name = token["name"] + namespace = token["namespace"] + if ((namespace, name) in self.allowed_elements or + (namespace is None and + (namespaces["html"], name) in self.allowed_elements)): + return self.allowed_token(token) + else: + return self.disallowed_token(token) + elif token_type == "Comment": + pass + else: + return token + + def allowed_token(self, token): + if "data" in token: + attrs = token["data"] + attr_names = set(attrs.keys()) + + # Remove forbidden attributes + for to_remove in (attr_names - self.allowed_attributes): + del token["data"][to_remove] + attr_names.remove(to_remove) + + # Remove attributes with disallowed URL values + for attr in (attr_names & self.attr_val_is_uri): + assert attr in attrs + # I don't have a clue where this regexp comes from or why it matches those + # characters, nor why we call unescape. I just know it's always been here. + # Should you be worried by this comment in a sanitizer? Yes. On the other hand, all + # this will do is remove *more* than it otherwise would. + val_unescaped = re.sub("[`\x00-\x20\x7f-\xa0\\s]+", '', + unescape(attrs[attr])).lower() + # remove replacement characters from unescaped characters + val_unescaped = val_unescaped.replace("\ufffd", "") + try: + uri = urlparse.urlparse(val_unescaped) + except ValueError: + uri = None + del attrs[attr] + if uri and uri.scheme: + if uri.scheme not in self.allowed_protocols: + del attrs[attr] + if uri.scheme == 'data': + m = data_content_type.match(uri.path) + if not m: + del attrs[attr] + elif m.group('content_type') not in self.allowed_content_types: + del attrs[attr] + + for attr in self.svg_attr_val_allows_ref: + if attr in attrs: + attrs[attr] = re.sub(r'url\s*\(\s*[^#\s][^)]+?\)', + ' ', + unescape(attrs[attr])) + if (token["name"] in self.svg_allow_local_href and + (namespaces['xlink'], 'href') in attrs and re.search(r'^\s*[^#\s].*', + attrs[(namespaces['xlink'], 'href')])): + del attrs[(namespaces['xlink'], 'href')] + if (None, 'style') in attrs: + attrs[(None, 'style')] = self.sanitize_css(attrs[(None, 'style')]) + token["data"] = attrs + return token + + def disallowed_token(self, token): + token_type = token["type"] + if token_type == "EndTag": + token["data"] = "</%s>" % token["name"] + elif token["data"]: + assert token_type in ("StartTag", "EmptyTag") + attrs = [] + for (ns, name), v in token["data"].items(): + attrs.append(' %s="%s"' % (name if ns is None else "%s:%s" % (prefixes[ns], name), escape(v))) + token["data"] = "<%s%s>" % (token["name"], ''.join(attrs)) + else: + token["data"] = "<%s>" % token["name"] + if token.get("selfClosing"): + token["data"] = token["data"][:-1] + "/>" + + token["type"] = "Characters" + + del token["name"] + return token + + def sanitize_css(self, style): + # disallow urls + style = re.compile(r'url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style) + + # gauntlet + if not re.match(r"""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style): + return '' + if not re.match(r"^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style): + return '' + + clean = [] + for prop, value in re.findall(r"([-\w]+)\s*:\s*([^:;]*)", style): + if not value: + continue + if prop.lower() in self.allowed_css_properties: + clean.append(prop + ': ' + value + ';') + elif prop.split('-')[0].lower() in ['background', 'border', 'margin', + 'padding']: + for keyword in value.split(): + if keyword not in self.allowed_css_keywords and \ + not re.match(r"^(#[0-9a-fA-F]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword): # noqa + break + else: + clean.append(prop + ': ' + value + ';') + elif prop.lower() in self.allowed_svg_properties: + clean.append(prop + ': ' + value + ';') + + return ' '.join(clean) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/whitespace.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/whitespace.py new file mode 100644 index 0000000..0d12584 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/filters/whitespace.py @@ -0,0 +1,38 @@ +from __future__ import absolute_import, division, unicode_literals + +import re + +from . import base +from ..constants import rcdataElements, spaceCharacters +spaceCharacters = "".join(spaceCharacters) + +SPACES_REGEX = re.compile("[%s]+" % spaceCharacters) + + +class Filter(base.Filter): + """Collapses whitespace except in pre, textarea, and script elements""" + spacePreserveElements = frozenset(["pre", "textarea"] + list(rcdataElements)) + + def __iter__(self): + preserve = 0 + for token in base.Filter.__iter__(self): + type = token["type"] + if type == "StartTag" \ + and (preserve or token["name"] in self.spacePreserveElements): + preserve += 1 + + elif type == "EndTag" and preserve: + preserve -= 1 + + elif not preserve and type == "SpaceCharacters" and token["data"]: + # Test on token["data"] above to not introduce spaces where there were not + token["data"] = " " + + elif not preserve and type == "Characters": + token["data"] = collapse_spaces(token["data"]) + + yield token + + +def collapse_spaces(text): + return SPACES_REGEX.sub(' ', text) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/html5parser.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/html5parser.py new file mode 100644 index 0000000..ae41a13 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/html5parser.py @@ -0,0 +1,2791 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import with_metaclass, viewkeys + +import types +from collections import OrderedDict + +from . import _inputstream +from . import _tokenizer + +from . import treebuilders +from .treebuilders.base import Marker + +from . import _utils +from .constants import ( + spaceCharacters, asciiUpper2Lower, + specialElements, headingElements, cdataElements, rcdataElements, + tokenTypes, tagTokenTypes, + namespaces, + htmlIntegrationPointElements, mathmlTextIntegrationPointElements, + adjustForeignAttributes as adjustForeignAttributesMap, + adjustMathMLAttributes, adjustSVGAttributes, + E, + _ReparseException +) + + +def parse(doc, treebuilder="etree", namespaceHTMLElements=True, **kwargs): + """Parse an HTML document as a string or file-like object into a tree + + :arg doc: the document to parse as a string or file-like object + + :arg treebuilder: the treebuilder to use when parsing + + :arg namespaceHTMLElements: whether or not to namespace HTML elements + + :returns: parsed tree + + Example: + + >>> from html5lib.html5parser import parse + >>> parse('<html><body><p>This is a doc</p></body></html>') + <Element u'{http://www.w3.org/1999/xhtml}html' at 0x7feac4909db0> + + """ + tb = treebuilders.getTreeBuilder(treebuilder) + p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements) + return p.parse(doc, **kwargs) + + +def parseFragment(doc, container="div", treebuilder="etree", namespaceHTMLElements=True, **kwargs): + """Parse an HTML fragment as a string or file-like object into a tree + + :arg doc: the fragment to parse as a string or file-like object + + :arg container: the container context to parse the fragment in + + :arg treebuilder: the treebuilder to use when parsing + + :arg namespaceHTMLElements: whether or not to namespace HTML elements + + :returns: parsed tree + + Example: + + >>> from html5lib.html5libparser import parseFragment + >>> parseFragment('<b>this is a fragment</b>') + <Element u'DOCUMENT_FRAGMENT' at 0x7feac484b090> + + """ + tb = treebuilders.getTreeBuilder(treebuilder) + p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements) + return p.parseFragment(doc, container=container, **kwargs) + + +def method_decorator_metaclass(function): + class Decorated(type): + def __new__(meta, classname, bases, classDict): + for attributeName, attribute in classDict.items(): + if isinstance(attribute, types.FunctionType): + attribute = function(attribute) + + classDict[attributeName] = attribute + return type.__new__(meta, classname, bases, classDict) + return Decorated + + +class HTMLParser(object): + """HTML parser + + Generates a tree structure from a stream of (possibly malformed) HTML. + + """ + + def __init__(self, tree=None, strict=False, namespaceHTMLElements=True, debug=False): + """ + :arg tree: a treebuilder class controlling the type of tree that will be + returned. Built in treebuilders can be accessed through + html5lib.treebuilders.getTreeBuilder(treeType) + + :arg strict: raise an exception when a parse error is encountered + + :arg namespaceHTMLElements: whether or not to namespace HTML elements + + :arg debug: whether or not to enable debug mode which logs things + + Example: + + >>> from html5lib.html5parser import HTMLParser + >>> parser = HTMLParser() # generates parser with etree builder + >>> parser = HTMLParser('lxml', strict=True) # generates parser with lxml builder which is strict + + """ + + # Raise an exception on the first error encountered + self.strict = strict + + if tree is None: + tree = treebuilders.getTreeBuilder("etree") + self.tree = tree(namespaceHTMLElements) + self.errors = [] + + self.phases = dict([(name, cls(self, self.tree)) for name, cls in + getPhases(debug).items()]) + + def _parse(self, stream, innerHTML=False, container="div", scripting=False, **kwargs): + + self.innerHTMLMode = innerHTML + self.container = container + self.scripting = scripting + self.tokenizer = _tokenizer.HTMLTokenizer(stream, parser=self, **kwargs) + self.reset() + + try: + self.mainLoop() + except _ReparseException: + self.reset() + self.mainLoop() + + def reset(self): + self.tree.reset() + self.firstStartTag = False + self.errors = [] + self.log = [] # only used with debug mode + # "quirks" / "limited quirks" / "no quirks" + self.compatMode = "no quirks" + + if self.innerHTMLMode: + self.innerHTML = self.container.lower() + + if self.innerHTML in cdataElements: + self.tokenizer.state = self.tokenizer.rcdataState + elif self.innerHTML in rcdataElements: + self.tokenizer.state = self.tokenizer.rawtextState + elif self.innerHTML == 'plaintext': + self.tokenizer.state = self.tokenizer.plaintextState + else: + # state already is data state + # self.tokenizer.state = self.tokenizer.dataState + pass + self.phase = self.phases["beforeHtml"] + self.phase.insertHtmlElement() + self.resetInsertionMode() + else: + self.innerHTML = False # pylint:disable=redefined-variable-type + self.phase = self.phases["initial"] + + self.lastPhase = None + + self.beforeRCDataPhase = None + + self.framesetOK = True + + @property + def documentEncoding(self): + """Name of the character encoding that was used to decode the input stream, or + :obj:`None` if that is not determined yet + + """ + if not hasattr(self, 'tokenizer'): + return None + return self.tokenizer.stream.charEncoding[0].name + + def isHTMLIntegrationPoint(self, element): + if (element.name == "annotation-xml" and + element.namespace == namespaces["mathml"]): + return ("encoding" in element.attributes and + element.attributes["encoding"].translate( + asciiUpper2Lower) in + ("text/html", "application/xhtml+xml")) + else: + return (element.namespace, element.name) in htmlIntegrationPointElements + + def isMathMLTextIntegrationPoint(self, element): + return (element.namespace, element.name) in mathmlTextIntegrationPointElements + + def mainLoop(self): + CharactersToken = tokenTypes["Characters"] + SpaceCharactersToken = tokenTypes["SpaceCharacters"] + StartTagToken = tokenTypes["StartTag"] + EndTagToken = tokenTypes["EndTag"] + CommentToken = tokenTypes["Comment"] + DoctypeToken = tokenTypes["Doctype"] + ParseErrorToken = tokenTypes["ParseError"] + + for token in self.normalizedTokens(): + prev_token = None + new_token = token + while new_token is not None: + prev_token = new_token + currentNode = self.tree.openElements[-1] if self.tree.openElements else None + currentNodeNamespace = currentNode.namespace if currentNode else None + currentNodeName = currentNode.name if currentNode else None + + type = new_token["type"] + + if type == ParseErrorToken: + self.parseError(new_token["data"], new_token.get("datavars", {})) + new_token = None + else: + if (len(self.tree.openElements) == 0 or + currentNodeNamespace == self.tree.defaultNamespace or + (self.isMathMLTextIntegrationPoint(currentNode) and + ((type == StartTagToken and + token["name"] not in frozenset(["mglyph", "malignmark"])) or + type in (CharactersToken, SpaceCharactersToken))) or + (currentNodeNamespace == namespaces["mathml"] and + currentNodeName == "annotation-xml" and + type == StartTagToken and + token["name"] == "svg") or + (self.isHTMLIntegrationPoint(currentNode) and + type in (StartTagToken, CharactersToken, SpaceCharactersToken))): + phase = self.phase + else: + phase = self.phases["inForeignContent"] + + if type == CharactersToken: + new_token = phase.processCharacters(new_token) + elif type == SpaceCharactersToken: + new_token = phase.processSpaceCharacters(new_token) + elif type == StartTagToken: + new_token = phase.processStartTag(new_token) + elif type == EndTagToken: + new_token = phase.processEndTag(new_token) + elif type == CommentToken: + new_token = phase.processComment(new_token) + elif type == DoctypeToken: + new_token = phase.processDoctype(new_token) + + if (type == StartTagToken and prev_token["selfClosing"] and + not prev_token["selfClosingAcknowledged"]): + self.parseError("non-void-element-with-trailing-solidus", + {"name": prev_token["name"]}) + + # When the loop finishes it's EOF + reprocess = True + phases = [] + while reprocess: + phases.append(self.phase) + reprocess = self.phase.processEOF() + if reprocess: + assert self.phase not in phases + + def normalizedTokens(self): + for token in self.tokenizer: + yield self.normalizeToken(token) + + def parse(self, stream, *args, **kwargs): + """Parse a HTML document into a well-formed tree + + :arg stream: a file-like object or string containing the HTML to be parsed + + The optional encoding parameter must be a string that indicates + the encoding. If specified, that encoding will be used, + regardless of any BOM or later declaration (such as in a meta + element). + + :arg scripting: treat noscript elements as if JavaScript was turned on + + :returns: parsed tree + + Example: + + >>> from html5lib.html5parser import HTMLParser + >>> parser = HTMLParser() + >>> parser.parse('<html><body><p>This is a doc</p></body></html>') + <Element u'{http://www.w3.org/1999/xhtml}html' at 0x7feac4909db0> + + """ + self._parse(stream, False, None, *args, **kwargs) + return self.tree.getDocument() + + def parseFragment(self, stream, *args, **kwargs): + """Parse a HTML fragment into a well-formed tree fragment + + :arg container: name of the element we're setting the innerHTML + property if set to None, default to 'div' + + :arg stream: a file-like object or string containing the HTML to be parsed + + The optional encoding parameter must be a string that indicates + the encoding. If specified, that encoding will be used, + regardless of any BOM or later declaration (such as in a meta + element) + + :arg scripting: treat noscript elements as if JavaScript was turned on + + :returns: parsed tree + + Example: + + >>> from html5lib.html5libparser import HTMLParser + >>> parser = HTMLParser() + >>> parser.parseFragment('<b>this is a fragment</b>') + <Element u'DOCUMENT_FRAGMENT' at 0x7feac484b090> + + """ + self._parse(stream, True, *args, **kwargs) + return self.tree.getFragment() + + def parseError(self, errorcode="XXX-undefined-error", datavars=None): + # XXX The idea is to make errorcode mandatory. + if datavars is None: + datavars = {} + self.errors.append((self.tokenizer.stream.position(), errorcode, datavars)) + if self.strict: + raise ParseError(E[errorcode] % datavars) + + def normalizeToken(self, token): + # HTML5 specific normalizations to the token stream + if token["type"] == tokenTypes["StartTag"]: + raw = token["data"] + token["data"] = OrderedDict(raw) + if len(raw) > len(token["data"]): + # we had some duplicated attribute, fix so first wins + token["data"].update(raw[::-1]) + + return token + + def adjustMathMLAttributes(self, token): + adjust_attributes(token, adjustMathMLAttributes) + + def adjustSVGAttributes(self, token): + adjust_attributes(token, adjustSVGAttributes) + + def adjustForeignAttributes(self, token): + adjust_attributes(token, adjustForeignAttributesMap) + + def reparseTokenNormal(self, token): + # pylint:disable=unused-argument + self.parser.phase() + + def resetInsertionMode(self): + # The name of this method is mostly historical. (It's also used in the + # specification.) + last = False + newModes = { + "select": "inSelect", + "td": "inCell", + "th": "inCell", + "tr": "inRow", + "tbody": "inTableBody", + "thead": "inTableBody", + "tfoot": "inTableBody", + "caption": "inCaption", + "colgroup": "inColumnGroup", + "table": "inTable", + "head": "inBody", + "body": "inBody", + "frameset": "inFrameset", + "html": "beforeHead" + } + for node in self.tree.openElements[::-1]: + nodeName = node.name + new_phase = None + if node == self.tree.openElements[0]: + assert self.innerHTML + last = True + nodeName = self.innerHTML + # Check for conditions that should only happen in the innerHTML + # case + if nodeName in ("select", "colgroup", "head", "html"): + assert self.innerHTML + + if not last and node.namespace != self.tree.defaultNamespace: + continue + + if nodeName in newModes: + new_phase = self.phases[newModes[nodeName]] + break + elif last: + new_phase = self.phases["inBody"] + break + + self.phase = new_phase + + def parseRCDataRawtext(self, token, contentType): + # Generic RCDATA/RAWTEXT Parsing algorithm + assert contentType in ("RAWTEXT", "RCDATA") + + self.tree.insertElement(token) + + if contentType == "RAWTEXT": + self.tokenizer.state = self.tokenizer.rawtextState + else: + self.tokenizer.state = self.tokenizer.rcdataState + + self.originalPhase = self.phase + + self.phase = self.phases["text"] + + +@_utils.memoize +def getPhases(debug): + def log(function): + """Logger that records which phase processes each token""" + type_names = dict((value, key) for key, value in + tokenTypes.items()) + + def wrapped(self, *args, **kwargs): + if function.__name__.startswith("process") and len(args) > 0: + token = args[0] + try: + info = {"type": type_names[token['type']]} + except: + raise + if token['type'] in tagTokenTypes: + info["name"] = token['name'] + + self.parser.log.append((self.parser.tokenizer.state.__name__, + self.parser.phase.__class__.__name__, + self.__class__.__name__, + function.__name__, + info)) + return function(self, *args, **kwargs) + else: + return function(self, *args, **kwargs) + return wrapped + + def getMetaclass(use_metaclass, metaclass_func): + if use_metaclass: + return method_decorator_metaclass(metaclass_func) + else: + return type + + # pylint:disable=unused-argument + class Phase(with_metaclass(getMetaclass(debug, log))): + """Base class for helper object that implements each phase of processing + """ + + def __init__(self, parser, tree): + self.parser = parser + self.tree = tree + + def processEOF(self): + raise NotImplementedError + + def processComment(self, token): + # For most phases the following is correct. Where it's not it will be + # overridden. + self.tree.insertComment(token, self.tree.openElements[-1]) + + def processDoctype(self, token): + self.parser.parseError("unexpected-doctype") + + def processCharacters(self, token): + self.tree.insertText(token["data"]) + + def processSpaceCharacters(self, token): + self.tree.insertText(token["data"]) + + def processStartTag(self, token): + return self.startTagHandler[token["name"]](token) + + def startTagHtml(self, token): + if not self.parser.firstStartTag and token["name"] == "html": + self.parser.parseError("non-html-root") + # XXX Need a check here to see if the first start tag token emitted is + # this token... If it's not, invoke self.parser.parseError(). + for attr, value in token["data"].items(): + if attr not in self.tree.openElements[0].attributes: + self.tree.openElements[0].attributes[attr] = value + self.parser.firstStartTag = False + + def processEndTag(self, token): + return self.endTagHandler[token["name"]](token) + + class InitialPhase(Phase): + def processSpaceCharacters(self, token): + pass + + def processComment(self, token): + self.tree.insertComment(token, self.tree.document) + + def processDoctype(self, token): + name = token["name"] + publicId = token["publicId"] + systemId = token["systemId"] + correct = token["correct"] + + if (name != "html" or publicId is not None or + systemId is not None and systemId != "about:legacy-compat"): + self.parser.parseError("unknown-doctype") + + if publicId is None: + publicId = "" + + self.tree.insertDoctype(token) + + if publicId != "": + publicId = publicId.translate(asciiUpper2Lower) + + if (not correct or token["name"] != "html" or + publicId.startswith( + ("+//silmaril//dtd html pro v0r11 19970101//", + "-//advasoft ltd//dtd html 3.0 aswedit + extensions//", + "-//as//dtd html 3.0 aswedit + extensions//", + "-//ietf//dtd html 2.0 level 1//", + "-//ietf//dtd html 2.0 level 2//", + "-//ietf//dtd html 2.0 strict level 1//", + "-//ietf//dtd html 2.0 strict level 2//", + "-//ietf//dtd html 2.0 strict//", + "-//ietf//dtd html 2.0//", + "-//ietf//dtd html 2.1e//", + "-//ietf//dtd html 3.0//", + "-//ietf//dtd html 3.2 final//", + "-//ietf//dtd html 3.2//", + "-//ietf//dtd html 3//", + "-//ietf//dtd html level 0//", + "-//ietf//dtd html level 1//", + "-//ietf//dtd html level 2//", + "-//ietf//dtd html level 3//", + "-//ietf//dtd html strict level 0//", + "-//ietf//dtd html strict level 1//", + "-//ietf//dtd html strict level 2//", + "-//ietf//dtd html strict level 3//", + "-//ietf//dtd html strict//", + "-//ietf//dtd html//", + "-//metrius//dtd metrius presentational//", + "-//microsoft//dtd internet explorer 2.0 html strict//", + "-//microsoft//dtd internet explorer 2.0 html//", + "-//microsoft//dtd internet explorer 2.0 tables//", + "-//microsoft//dtd internet explorer 3.0 html strict//", + "-//microsoft//dtd internet explorer 3.0 html//", + "-//microsoft//dtd internet explorer 3.0 tables//", + "-//netscape comm. corp.//dtd html//", + "-//netscape comm. corp.//dtd strict html//", + "-//o'reilly and associates//dtd html 2.0//", + "-//o'reilly and associates//dtd html extended 1.0//", + "-//o'reilly and associates//dtd html extended relaxed 1.0//", + "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//", + "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//", + "-//spyglass//dtd html 2.0 extended//", + "-//sq//dtd html 2.0 hotmetal + extensions//", + "-//sun microsystems corp.//dtd hotjava html//", + "-//sun microsystems corp.//dtd hotjava strict html//", + "-//w3c//dtd html 3 1995-03-24//", + "-//w3c//dtd html 3.2 draft//", + "-//w3c//dtd html 3.2 final//", + "-//w3c//dtd html 3.2//", + "-//w3c//dtd html 3.2s draft//", + "-//w3c//dtd html 4.0 frameset//", + "-//w3c//dtd html 4.0 transitional//", + "-//w3c//dtd html experimental 19960712//", + "-//w3c//dtd html experimental 970421//", + "-//w3c//dtd w3 html//", + "-//w3o//dtd w3 html 3.0//", + "-//webtechs//dtd mozilla html 2.0//", + "-//webtechs//dtd mozilla html//")) or + publicId in ("-//w3o//dtd w3 html strict 3.0//en//", + "-/w3c/dtd html 4.0 transitional/en", + "html") or + publicId.startswith( + ("-//w3c//dtd html 4.01 frameset//", + "-//w3c//dtd html 4.01 transitional//")) and + systemId is None or + systemId and systemId.lower() == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd"): + self.parser.compatMode = "quirks" + elif (publicId.startswith( + ("-//w3c//dtd xhtml 1.0 frameset//", + "-//w3c//dtd xhtml 1.0 transitional//")) or + publicId.startswith( + ("-//w3c//dtd html 4.01 frameset//", + "-//w3c//dtd html 4.01 transitional//")) and + systemId is not None): + self.parser.compatMode = "limited quirks" + + self.parser.phase = self.parser.phases["beforeHtml"] + + def anythingElse(self): + self.parser.compatMode = "quirks" + self.parser.phase = self.parser.phases["beforeHtml"] + + def processCharacters(self, token): + self.parser.parseError("expected-doctype-but-got-chars") + self.anythingElse() + return token + + def processStartTag(self, token): + self.parser.parseError("expected-doctype-but-got-start-tag", + {"name": token["name"]}) + self.anythingElse() + return token + + def processEndTag(self, token): + self.parser.parseError("expected-doctype-but-got-end-tag", + {"name": token["name"]}) + self.anythingElse() + return token + + def processEOF(self): + self.parser.parseError("expected-doctype-but-got-eof") + self.anythingElse() + return True + + class BeforeHtmlPhase(Phase): + # helper methods + def insertHtmlElement(self): + self.tree.insertRoot(impliedTagToken("html", "StartTag")) + self.parser.phase = self.parser.phases["beforeHead"] + + # other + def processEOF(self): + self.insertHtmlElement() + return True + + def processComment(self, token): + self.tree.insertComment(token, self.tree.document) + + def processSpaceCharacters(self, token): + pass + + def processCharacters(self, token): + self.insertHtmlElement() + return token + + def processStartTag(self, token): + if token["name"] == "html": + self.parser.firstStartTag = True + self.insertHtmlElement() + return token + + def processEndTag(self, token): + if token["name"] not in ("head", "body", "html", "br"): + self.parser.parseError("unexpected-end-tag-before-html", + {"name": token["name"]}) + else: + self.insertHtmlElement() + return token + + class BeforeHeadPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("head", self.startTagHead) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + (("head", "body", "html", "br"), self.endTagImplyHead) + ]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + self.startTagHead(impliedTagToken("head", "StartTag")) + return True + + def processSpaceCharacters(self, token): + pass + + def processCharacters(self, token): + self.startTagHead(impliedTagToken("head", "StartTag")) + return token + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagHead(self, token): + self.tree.insertElement(token) + self.tree.headPointer = self.tree.openElements[-1] + self.parser.phase = self.parser.phases["inHead"] + + def startTagOther(self, token): + self.startTagHead(impliedTagToken("head", "StartTag")) + return token + + def endTagImplyHead(self, token): + self.startTagHead(impliedTagToken("head", "StartTag")) + return token + + def endTagOther(self, token): + self.parser.parseError("end-tag-after-implied-root", + {"name": token["name"]}) + + class InHeadPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("title", self.startTagTitle), + (("noframes", "style"), self.startTagNoFramesStyle), + ("noscript", self.startTagNoscript), + ("script", self.startTagScript), + (("base", "basefont", "bgsound", "command", "link"), + self.startTagBaseLinkCommand), + ("meta", self.startTagMeta), + ("head", self.startTagHead) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("head", self.endTagHead), + (("br", "html", "body"), self.endTagHtmlBodyBr) + ]) + self.endTagHandler.default = self.endTagOther + + # the real thing + def processEOF(self): + self.anythingElse() + return True + + def processCharacters(self, token): + self.anythingElse() + return token + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagHead(self, token): + self.parser.parseError("two-heads-are-not-better-than-one") + + def startTagBaseLinkCommand(self, token): + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def startTagMeta(self, token): + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + attributes = token["data"] + if self.parser.tokenizer.stream.charEncoding[1] == "tentative": + if "charset" in attributes: + self.parser.tokenizer.stream.changeEncoding(attributes["charset"]) + elif ("content" in attributes and + "http-equiv" in attributes and + attributes["http-equiv"].lower() == "content-type"): + # Encoding it as UTF-8 here is a hack, as really we should pass + # the abstract Unicode string, and just use the + # ContentAttrParser on that, but using UTF-8 allows all chars + # to be encoded and as a ASCII-superset works. + data = _inputstream.EncodingBytes(attributes["content"].encode("utf-8")) + parser = _inputstream.ContentAttrParser(data) + codec = parser.parse() + self.parser.tokenizer.stream.changeEncoding(codec) + + def startTagTitle(self, token): + self.parser.parseRCDataRawtext(token, "RCDATA") + + def startTagNoFramesStyle(self, token): + # Need to decide whether to implement the scripting-disabled case + self.parser.parseRCDataRawtext(token, "RAWTEXT") + + def startTagNoscript(self, token): + if self.parser.scripting: + self.parser.parseRCDataRawtext(token, "RAWTEXT") + else: + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inHeadNoscript"] + + def startTagScript(self, token): + self.tree.insertElement(token) + self.parser.tokenizer.state = self.parser.tokenizer.scriptDataState + self.parser.originalPhase = self.parser.phase + self.parser.phase = self.parser.phases["text"] + + def startTagOther(self, token): + self.anythingElse() + return token + + def endTagHead(self, token): + node = self.parser.tree.openElements.pop() + assert node.name == "head", "Expected head got %s" % node.name + self.parser.phase = self.parser.phases["afterHead"] + + def endTagHtmlBodyBr(self, token): + self.anythingElse() + return token + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def anythingElse(self): + self.endTagHead(impliedTagToken("head")) + + class InHeadNoscriptPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + (("basefont", "bgsound", "link", "meta", "noframes", "style"), self.startTagBaseLinkCommand), + (("head", "noscript"), self.startTagHeadNoscript), + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("noscript", self.endTagNoscript), + ("br", self.endTagBr), + ]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + self.parser.parseError("eof-in-head-noscript") + self.anythingElse() + return True + + def processComment(self, token): + return self.parser.phases["inHead"].processComment(token) + + def processCharacters(self, token): + self.parser.parseError("char-in-head-noscript") + self.anythingElse() + return token + + def processSpaceCharacters(self, token): + return self.parser.phases["inHead"].processSpaceCharacters(token) + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagBaseLinkCommand(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagHeadNoscript(self, token): + self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) + + def startTagOther(self, token): + self.parser.parseError("unexpected-inhead-noscript-tag", {"name": token["name"]}) + self.anythingElse() + return token + + def endTagNoscript(self, token): + node = self.parser.tree.openElements.pop() + assert node.name == "noscript", "Expected noscript got %s" % node.name + self.parser.phase = self.parser.phases["inHead"] + + def endTagBr(self, token): + self.parser.parseError("unexpected-inhead-noscript-tag", {"name": token["name"]}) + self.anythingElse() + return token + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def anythingElse(self): + # Caller must raise parse error first! + self.endTagNoscript(impliedTagToken("noscript")) + + class AfterHeadPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("body", self.startTagBody), + ("frameset", self.startTagFrameset), + (("base", "basefont", "bgsound", "link", "meta", "noframes", "script", + "style", "title"), + self.startTagFromHead), + ("head", self.startTagHead) + ]) + self.startTagHandler.default = self.startTagOther + self.endTagHandler = _utils.MethodDispatcher([(("body", "html", "br"), + self.endTagHtmlBodyBr)]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + self.anythingElse() + return True + + def processCharacters(self, token): + self.anythingElse() + return token + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagBody(self, token): + self.parser.framesetOK = False + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inBody"] + + def startTagFrameset(self, token): + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inFrameset"] + + def startTagFromHead(self, token): + self.parser.parseError("unexpected-start-tag-out-of-my-head", + {"name": token["name"]}) + self.tree.openElements.append(self.tree.headPointer) + self.parser.phases["inHead"].processStartTag(token) + for node in self.tree.openElements[::-1]: + if node.name == "head": + self.tree.openElements.remove(node) + break + + def startTagHead(self, token): + self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) + + def startTagOther(self, token): + self.anythingElse() + return token + + def endTagHtmlBodyBr(self, token): + self.anythingElse() + return token + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def anythingElse(self): + self.tree.insertElement(impliedTagToken("body", "StartTag")) + self.parser.phase = self.parser.phases["inBody"] + self.parser.framesetOK = True + + class InBodyPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#parsing-main-inbody + # the really-really-really-very crazy mode + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + # Set this to the default handler + self.processSpaceCharacters = self.processSpaceCharactersNonPre + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + (("base", "basefont", "bgsound", "command", "link", "meta", + "script", "style", "title"), + self.startTagProcessInHead), + ("body", self.startTagBody), + ("frameset", self.startTagFrameset), + (("address", "article", "aside", "blockquote", "center", "details", + "dir", "div", "dl", "fieldset", "figcaption", "figure", + "footer", "header", "hgroup", "main", "menu", "nav", "ol", "p", + "section", "summary", "ul"), + self.startTagCloseP), + (headingElements, self.startTagHeading), + (("pre", "listing"), self.startTagPreListing), + ("form", self.startTagForm), + (("li", "dd", "dt"), self.startTagListItem), + ("plaintext", self.startTagPlaintext), + ("a", self.startTagA), + (("b", "big", "code", "em", "font", "i", "s", "small", "strike", + "strong", "tt", "u"), self.startTagFormatting), + ("nobr", self.startTagNobr), + ("button", self.startTagButton), + (("applet", "marquee", "object"), self.startTagAppletMarqueeObject), + ("xmp", self.startTagXmp), + ("table", self.startTagTable), + (("area", "br", "embed", "img", "keygen", "wbr"), + self.startTagVoidFormatting), + (("param", "source", "track"), self.startTagParamSource), + ("input", self.startTagInput), + ("hr", self.startTagHr), + ("image", self.startTagImage), + ("isindex", self.startTagIsIndex), + ("textarea", self.startTagTextarea), + ("iframe", self.startTagIFrame), + ("noscript", self.startTagNoscript), + (("noembed", "noframes"), self.startTagRawtext), + ("select", self.startTagSelect), + (("rp", "rt"), self.startTagRpRt), + (("option", "optgroup"), self.startTagOpt), + (("math"), self.startTagMath), + (("svg"), self.startTagSvg), + (("caption", "col", "colgroup", "frame", "head", + "tbody", "td", "tfoot", "th", "thead", + "tr"), self.startTagMisplaced) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("body", self.endTagBody), + ("html", self.endTagHtml), + (("address", "article", "aside", "blockquote", "button", "center", + "details", "dialog", "dir", "div", "dl", "fieldset", "figcaption", "figure", + "footer", "header", "hgroup", "listing", "main", "menu", "nav", "ol", "pre", + "section", "summary", "ul"), self.endTagBlock), + ("form", self.endTagForm), + ("p", self.endTagP), + (("dd", "dt", "li"), self.endTagListItem), + (headingElements, self.endTagHeading), + (("a", "b", "big", "code", "em", "font", "i", "nobr", "s", "small", + "strike", "strong", "tt", "u"), self.endTagFormatting), + (("applet", "marquee", "object"), self.endTagAppletMarqueeObject), + ("br", self.endTagBr), + ]) + self.endTagHandler.default = self.endTagOther + + def isMatchingFormattingElement(self, node1, node2): + return (node1.name == node2.name and + node1.namespace == node2.namespace and + node1.attributes == node2.attributes) + + # helper + def addFormattingElement(self, token): + self.tree.insertElement(token) + element = self.tree.openElements[-1] + + matchingElements = [] + for node in self.tree.activeFormattingElements[::-1]: + if node is Marker: + break + elif self.isMatchingFormattingElement(node, element): + matchingElements.append(node) + + assert len(matchingElements) <= 3 + if len(matchingElements) == 3: + self.tree.activeFormattingElements.remove(matchingElements[-1]) + self.tree.activeFormattingElements.append(element) + + # the real deal + def processEOF(self): + allowed_elements = frozenset(("dd", "dt", "li", "p", "tbody", "td", + "tfoot", "th", "thead", "tr", "body", + "html")) + for node in self.tree.openElements[::-1]: + if node.name not in allowed_elements: + self.parser.parseError("expected-closing-tag-but-got-eof") + break + # Stop parsing + + def processSpaceCharactersDropNewline(self, token): + # Sometimes (start of <pre>, <listing>, and <textarea> blocks) we + # want to drop leading newlines + data = token["data"] + self.processSpaceCharacters = self.processSpaceCharactersNonPre + if (data.startswith("\n") and + self.tree.openElements[-1].name in ("pre", "listing", "textarea") and + not self.tree.openElements[-1].hasContent()): + data = data[1:] + if data: + self.tree.reconstructActiveFormattingElements() + self.tree.insertText(data) + + def processCharacters(self, token): + if token["data"] == "\u0000": + # The tokenizer should always emit null on its own + return + self.tree.reconstructActiveFormattingElements() + self.tree.insertText(token["data"]) + # This must be bad for performance + if (self.parser.framesetOK and + any([char not in spaceCharacters + for char in token["data"]])): + self.parser.framesetOK = False + + def processSpaceCharactersNonPre(self, token): + self.tree.reconstructActiveFormattingElements() + self.tree.insertText(token["data"]) + + def startTagProcessInHead(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagBody(self, token): + self.parser.parseError("unexpected-start-tag", {"name": "body"}) + if (len(self.tree.openElements) == 1 or + self.tree.openElements[1].name != "body"): + assert self.parser.innerHTML + else: + self.parser.framesetOK = False + for attr, value in token["data"].items(): + if attr not in self.tree.openElements[1].attributes: + self.tree.openElements[1].attributes[attr] = value + + def startTagFrameset(self, token): + self.parser.parseError("unexpected-start-tag", {"name": "frameset"}) + if (len(self.tree.openElements) == 1 or self.tree.openElements[1].name != "body"): + assert self.parser.innerHTML + elif not self.parser.framesetOK: + pass + else: + if self.tree.openElements[1].parent: + self.tree.openElements[1].parent.removeChild(self.tree.openElements[1]) + while self.tree.openElements[-1].name != "html": + self.tree.openElements.pop() + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inFrameset"] + + def startTagCloseP(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.insertElement(token) + + def startTagPreListing(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.insertElement(token) + self.parser.framesetOK = False + self.processSpaceCharacters = self.processSpaceCharactersDropNewline + + def startTagForm(self, token): + if self.tree.formPointer: + self.parser.parseError("unexpected-start-tag", {"name": "form"}) + else: + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.insertElement(token) + self.tree.formPointer = self.tree.openElements[-1] + + def startTagListItem(self, token): + self.parser.framesetOK = False + + stopNamesMap = {"li": ["li"], + "dt": ["dt", "dd"], + "dd": ["dt", "dd"]} + stopNames = stopNamesMap[token["name"]] + for node in reversed(self.tree.openElements): + if node.name in stopNames: + self.parser.phase.processEndTag( + impliedTagToken(node.name, "EndTag")) + break + if (node.nameTuple in specialElements and + node.name not in ("address", "div", "p")): + break + + if self.tree.elementInScope("p", variant="button"): + self.parser.phase.processEndTag( + impliedTagToken("p", "EndTag")) + + self.tree.insertElement(token) + + def startTagPlaintext(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.insertElement(token) + self.parser.tokenizer.state = self.parser.tokenizer.plaintextState + + def startTagHeading(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + if self.tree.openElements[-1].name in headingElements: + self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) + self.tree.openElements.pop() + self.tree.insertElement(token) + + def startTagA(self, token): + afeAElement = self.tree.elementInActiveFormattingElements("a") + if afeAElement: + self.parser.parseError("unexpected-start-tag-implies-end-tag", + {"startName": "a", "endName": "a"}) + self.endTagFormatting(impliedTagToken("a")) + if afeAElement in self.tree.openElements: + self.tree.openElements.remove(afeAElement) + if afeAElement in self.tree.activeFormattingElements: + self.tree.activeFormattingElements.remove(afeAElement) + self.tree.reconstructActiveFormattingElements() + self.addFormattingElement(token) + + def startTagFormatting(self, token): + self.tree.reconstructActiveFormattingElements() + self.addFormattingElement(token) + + def startTagNobr(self, token): + self.tree.reconstructActiveFormattingElements() + if self.tree.elementInScope("nobr"): + self.parser.parseError("unexpected-start-tag-implies-end-tag", + {"startName": "nobr", "endName": "nobr"}) + self.processEndTag(impliedTagToken("nobr")) + # XXX Need tests that trigger the following + self.tree.reconstructActiveFormattingElements() + self.addFormattingElement(token) + + def startTagButton(self, token): + if self.tree.elementInScope("button"): + self.parser.parseError("unexpected-start-tag-implies-end-tag", + {"startName": "button", "endName": "button"}) + self.processEndTag(impliedTagToken("button")) + return token + else: + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(token) + self.parser.framesetOK = False + + def startTagAppletMarqueeObject(self, token): + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(token) + self.tree.activeFormattingElements.append(Marker) + self.parser.framesetOK = False + + def startTagXmp(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.reconstructActiveFormattingElements() + self.parser.framesetOK = False + self.parser.parseRCDataRawtext(token, "RAWTEXT") + + def startTagTable(self, token): + if self.parser.compatMode != "quirks": + if self.tree.elementInScope("p", variant="button"): + self.processEndTag(impliedTagToken("p")) + self.tree.insertElement(token) + self.parser.framesetOK = False + self.parser.phase = self.parser.phases["inTable"] + + def startTagVoidFormatting(self, token): + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + self.parser.framesetOK = False + + def startTagInput(self, token): + framesetOK = self.parser.framesetOK + self.startTagVoidFormatting(token) + if ("type" in token["data"] and + token["data"]["type"].translate(asciiUpper2Lower) == "hidden"): + # input type=hidden doesn't change framesetOK + self.parser.framesetOK = framesetOK + + def startTagParamSource(self, token): + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def startTagHr(self, token): + if self.tree.elementInScope("p", variant="button"): + self.endTagP(impliedTagToken("p")) + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + self.parser.framesetOK = False + + def startTagImage(self, token): + # No really... + self.parser.parseError("unexpected-start-tag-treated-as", + {"originalName": "image", "newName": "img"}) + self.processStartTag(impliedTagToken("img", "StartTag", + attributes=token["data"], + selfClosing=token["selfClosing"])) + + def startTagIsIndex(self, token): + self.parser.parseError("deprecated-tag", {"name": "isindex"}) + if self.tree.formPointer: + return + form_attrs = {} + if "action" in token["data"]: + form_attrs["action"] = token["data"]["action"] + self.processStartTag(impliedTagToken("form", "StartTag", + attributes=form_attrs)) + self.processStartTag(impliedTagToken("hr", "StartTag")) + self.processStartTag(impliedTagToken("label", "StartTag")) + # XXX Localization ... + if "prompt" in token["data"]: + prompt = token["data"]["prompt"] + else: + prompt = "This is a searchable index. Enter search keywords: " + self.processCharacters( + {"type": tokenTypes["Characters"], "data": prompt}) + attributes = token["data"].copy() + if "action" in attributes: + del attributes["action"] + if "prompt" in attributes: + del attributes["prompt"] + attributes["name"] = "isindex" + self.processStartTag(impliedTagToken("input", "StartTag", + attributes=attributes, + selfClosing=token["selfClosing"])) + self.processEndTag(impliedTagToken("label")) + self.processStartTag(impliedTagToken("hr", "StartTag")) + self.processEndTag(impliedTagToken("form")) + + def startTagTextarea(self, token): + self.tree.insertElement(token) + self.parser.tokenizer.state = self.parser.tokenizer.rcdataState + self.processSpaceCharacters = self.processSpaceCharactersDropNewline + self.parser.framesetOK = False + + def startTagIFrame(self, token): + self.parser.framesetOK = False + self.startTagRawtext(token) + + def startTagNoscript(self, token): + if self.parser.scripting: + self.startTagRawtext(token) + else: + self.startTagOther(token) + + def startTagRawtext(self, token): + """iframe, noembed noframes, noscript(if scripting enabled)""" + self.parser.parseRCDataRawtext(token, "RAWTEXT") + + def startTagOpt(self, token): + if self.tree.openElements[-1].name == "option": + self.parser.phase.processEndTag(impliedTagToken("option")) + self.tree.reconstructActiveFormattingElements() + self.parser.tree.insertElement(token) + + def startTagSelect(self, token): + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(token) + self.parser.framesetOK = False + if self.parser.phase in (self.parser.phases["inTable"], + self.parser.phases["inCaption"], + self.parser.phases["inColumnGroup"], + self.parser.phases["inTableBody"], + self.parser.phases["inRow"], + self.parser.phases["inCell"]): + self.parser.phase = self.parser.phases["inSelectInTable"] + else: + self.parser.phase = self.parser.phases["inSelect"] + + def startTagRpRt(self, token): + if self.tree.elementInScope("ruby"): + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1].name != "ruby": + self.parser.parseError() + self.tree.insertElement(token) + + def startTagMath(self, token): + self.tree.reconstructActiveFormattingElements() + self.parser.adjustMathMLAttributes(token) + self.parser.adjustForeignAttributes(token) + token["namespace"] = namespaces["mathml"] + self.tree.insertElement(token) + # Need to get the parse error right for the case where the token + # has a namespace not equal to the xmlns attribute + if token["selfClosing"]: + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def startTagSvg(self, token): + self.tree.reconstructActiveFormattingElements() + self.parser.adjustSVGAttributes(token) + self.parser.adjustForeignAttributes(token) + token["namespace"] = namespaces["svg"] + self.tree.insertElement(token) + # Need to get the parse error right for the case where the token + # has a namespace not equal to the xmlns attribute + if token["selfClosing"]: + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def startTagMisplaced(self, token): + """ Elements that should be children of other elements that have a + different insertion mode; here they are ignored + "caption", "col", "colgroup", "frame", "frameset", "head", + "option", "optgroup", "tbody", "td", "tfoot", "th", "thead", + "tr", "noscript" + """ + self.parser.parseError("unexpected-start-tag-ignored", {"name": token["name"]}) + + def startTagOther(self, token): + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(token) + + def endTagP(self, token): + if not self.tree.elementInScope("p", variant="button"): + self.startTagCloseP(impliedTagToken("p", "StartTag")) + self.parser.parseError("unexpected-end-tag", {"name": "p"}) + self.endTagP(impliedTagToken("p", "EndTag")) + else: + self.tree.generateImpliedEndTags("p") + if self.tree.openElements[-1].name != "p": + self.parser.parseError("unexpected-end-tag", {"name": "p"}) + node = self.tree.openElements.pop() + while node.name != "p": + node = self.tree.openElements.pop() + + def endTagBody(self, token): + if not self.tree.elementInScope("body"): + self.parser.parseError() + return + elif self.tree.openElements[-1].name != "body": + for node in self.tree.openElements[2:]: + if node.name not in frozenset(("dd", "dt", "li", "optgroup", + "option", "p", "rp", "rt", + "tbody", "td", "tfoot", + "th", "thead", "tr", "body", + "html")): + # Not sure this is the correct name for the parse error + self.parser.parseError( + "expected-one-end-tag-but-got-another", + {"gotName": "body", "expectedName": node.name}) + break + self.parser.phase = self.parser.phases["afterBody"] + + def endTagHtml(self, token): + # We repeat the test for the body end tag token being ignored here + if self.tree.elementInScope("body"): + self.endTagBody(impliedTagToken("body")) + return token + + def endTagBlock(self, token): + # Put us back in the right whitespace handling mode + if token["name"] == "pre": + self.processSpaceCharacters = self.processSpaceCharactersNonPre + inScope = self.tree.elementInScope(token["name"]) + if inScope: + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError("end-tag-too-early", {"name": token["name"]}) + if inScope: + node = self.tree.openElements.pop() + while node.name != token["name"]: + node = self.tree.openElements.pop() + + def endTagForm(self, token): + node = self.tree.formPointer + self.tree.formPointer = None + if node is None or not self.tree.elementInScope(node): + self.parser.parseError("unexpected-end-tag", + {"name": "form"}) + else: + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1] != node: + self.parser.parseError("end-tag-too-early-ignored", + {"name": "form"}) + self.tree.openElements.remove(node) + + def endTagListItem(self, token): + if token["name"] == "li": + variant = "list" + else: + variant = None + if not self.tree.elementInScope(token["name"], variant=variant): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + else: + self.tree.generateImpliedEndTags(exclude=token["name"]) + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError( + "end-tag-too-early", + {"name": token["name"]}) + node = self.tree.openElements.pop() + while node.name != token["name"]: + node = self.tree.openElements.pop() + + def endTagHeading(self, token): + for item in headingElements: + if self.tree.elementInScope(item): + self.tree.generateImpliedEndTags() + break + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError("end-tag-too-early", {"name": token["name"]}) + + for item in headingElements: + if self.tree.elementInScope(item): + item = self.tree.openElements.pop() + while item.name not in headingElements: + item = self.tree.openElements.pop() + break + + def endTagFormatting(self, token): + """The much-feared adoption agency algorithm""" + # http://svn.whatwg.org/webapps/complete.html#adoptionAgency revision 7867 + # XXX Better parseError messages appreciated. + + # Step 1 + outerLoopCounter = 0 + + # Step 2 + while outerLoopCounter < 8: + + # Step 3 + outerLoopCounter += 1 + + # Step 4: + + # Let the formatting element be the last element in + # the list of active formatting elements that: + # - is between the end of the list and the last scope + # marker in the list, if any, or the start of the list + # otherwise, and + # - has the same tag name as the token. + formattingElement = self.tree.elementInActiveFormattingElements( + token["name"]) + if (not formattingElement or + (formattingElement in self.tree.openElements and + not self.tree.elementInScope(formattingElement.name))): + # If there is no such node, then abort these steps + # and instead act as described in the "any other + # end tag" entry below. + self.endTagOther(token) + return + + # Otherwise, if there is such a node, but that node is + # not in the stack of open elements, then this is a + # parse error; remove the element from the list, and + # abort these steps. + elif formattingElement not in self.tree.openElements: + self.parser.parseError("adoption-agency-1.2", {"name": token["name"]}) + self.tree.activeFormattingElements.remove(formattingElement) + return + + # Otherwise, if there is such a node, and that node is + # also in the stack of open elements, but the element + # is not in scope, then this is a parse error; ignore + # the token, and abort these steps. + elif not self.tree.elementInScope(formattingElement.name): + self.parser.parseError("adoption-agency-4.4", {"name": token["name"]}) + return + + # Otherwise, there is a formatting element and that + # element is in the stack and is in scope. If the + # element is not the current node, this is a parse + # error. In any case, proceed with the algorithm as + # written in the following steps. + else: + if formattingElement != self.tree.openElements[-1]: + self.parser.parseError("adoption-agency-1.3", {"name": token["name"]}) + + # Step 5: + + # Let the furthest block be the topmost node in the + # stack of open elements that is lower in the stack + # than the formatting element, and is an element in + # the special category. There might not be one. + afeIndex = self.tree.openElements.index(formattingElement) + furthestBlock = None + for element in self.tree.openElements[afeIndex:]: + if element.nameTuple in specialElements: + furthestBlock = element + break + + # Step 6: + + # If there is no furthest block, then the UA must + # first pop all the nodes from the bottom of the stack + # of open elements, from the current node up to and + # including the formatting element, then remove the + # formatting element from the list of active + # formatting elements, and finally abort these steps. + if furthestBlock is None: + element = self.tree.openElements.pop() + while element != formattingElement: + element = self.tree.openElements.pop() + self.tree.activeFormattingElements.remove(element) + return + + # Step 7 + commonAncestor = self.tree.openElements[afeIndex - 1] + + # Step 8: + # The bookmark is supposed to help us identify where to reinsert + # nodes in step 15. We have to ensure that we reinsert nodes after + # the node before the active formatting element. Note the bookmark + # can move in step 9.7 + bookmark = self.tree.activeFormattingElements.index(formattingElement) + + # Step 9 + lastNode = node = furthestBlock + innerLoopCounter = 0 + + index = self.tree.openElements.index(node) + while innerLoopCounter < 3: + innerLoopCounter += 1 + # Node is element before node in open elements + index -= 1 + node = self.tree.openElements[index] + if node not in self.tree.activeFormattingElements: + self.tree.openElements.remove(node) + continue + # Step 9.6 + if node == formattingElement: + break + # Step 9.7 + if lastNode == furthestBlock: + bookmark = self.tree.activeFormattingElements.index(node) + 1 + # Step 9.8 + clone = node.cloneNode() + # Replace node with clone + self.tree.activeFormattingElements[ + self.tree.activeFormattingElements.index(node)] = clone + self.tree.openElements[ + self.tree.openElements.index(node)] = clone + node = clone + # Step 9.9 + # Remove lastNode from its parents, if any + if lastNode.parent: + lastNode.parent.removeChild(lastNode) + node.appendChild(lastNode) + # Step 9.10 + lastNode = node + + # Step 10 + # Foster parent lastNode if commonAncestor is a + # table, tbody, tfoot, thead, or tr we need to foster + # parent the lastNode + if lastNode.parent: + lastNode.parent.removeChild(lastNode) + + if commonAncestor.name in frozenset(("table", "tbody", "tfoot", "thead", "tr")): + parent, insertBefore = self.tree.getTableMisnestedNodePosition() + parent.insertBefore(lastNode, insertBefore) + else: + commonAncestor.appendChild(lastNode) + + # Step 11 + clone = formattingElement.cloneNode() + + # Step 12 + furthestBlock.reparentChildren(clone) + + # Step 13 + furthestBlock.appendChild(clone) + + # Step 14 + self.tree.activeFormattingElements.remove(formattingElement) + self.tree.activeFormattingElements.insert(bookmark, clone) + + # Step 15 + self.tree.openElements.remove(formattingElement) + self.tree.openElements.insert( + self.tree.openElements.index(furthestBlock) + 1, clone) + + def endTagAppletMarqueeObject(self, token): + if self.tree.elementInScope(token["name"]): + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError("end-tag-too-early", {"name": token["name"]}) + + if self.tree.elementInScope(token["name"]): + element = self.tree.openElements.pop() + while element.name != token["name"]: + element = self.tree.openElements.pop() + self.tree.clearActiveFormattingElements() + + def endTagBr(self, token): + self.parser.parseError("unexpected-end-tag-treated-as", + {"originalName": "br", "newName": "br element"}) + self.tree.reconstructActiveFormattingElements() + self.tree.insertElement(impliedTagToken("br", "StartTag")) + self.tree.openElements.pop() + + def endTagOther(self, token): + for node in self.tree.openElements[::-1]: + if node.name == token["name"]: + self.tree.generateImpliedEndTags(exclude=token["name"]) + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + while self.tree.openElements.pop() != node: + pass + break + else: + if node.nameTuple in specialElements: + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + break + + class TextPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.startTagHandler = _utils.MethodDispatcher([]) + self.startTagHandler.default = self.startTagOther + self.endTagHandler = _utils.MethodDispatcher([ + ("script", self.endTagScript)]) + self.endTagHandler.default = self.endTagOther + + def processCharacters(self, token): + self.tree.insertText(token["data"]) + + def processEOF(self): + self.parser.parseError("expected-named-closing-tag-but-got-eof", + {"name": self.tree.openElements[-1].name}) + self.tree.openElements.pop() + self.parser.phase = self.parser.originalPhase + return True + + def startTagOther(self, token): + assert False, "Tried to process start tag %s in RCDATA/RAWTEXT mode" % token['name'] + + def endTagScript(self, token): + node = self.tree.openElements.pop() + assert node.name == "script" + self.parser.phase = self.parser.originalPhase + # The rest of this method is all stuff that only happens if + # document.write works + + def endTagOther(self, token): + self.tree.openElements.pop() + self.parser.phase = self.parser.originalPhase + + class InTablePhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-table + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("caption", self.startTagCaption), + ("colgroup", self.startTagColgroup), + ("col", self.startTagCol), + (("tbody", "tfoot", "thead"), self.startTagRowGroup), + (("td", "th", "tr"), self.startTagImplyTbody), + ("table", self.startTagTable), + (("style", "script"), self.startTagStyleScript), + ("input", self.startTagInput), + ("form", self.startTagForm) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("table", self.endTagTable), + (("body", "caption", "col", "colgroup", "html", "tbody", "td", + "tfoot", "th", "thead", "tr"), self.endTagIgnore) + ]) + self.endTagHandler.default = self.endTagOther + + # helper methods + def clearStackToTableContext(self): + # "clear the stack back to a table context" + while self.tree.openElements[-1].name not in ("table", "html"): + # self.parser.parseError("unexpected-implied-end-tag-in-table", + # {"name": self.tree.openElements[-1].name}) + self.tree.openElements.pop() + # When the current node is <html> it's an innerHTML case + + # processing methods + def processEOF(self): + if self.tree.openElements[-1].name != "html": + self.parser.parseError("eof-in-table") + else: + assert self.parser.innerHTML + # Stop parsing + + def processSpaceCharacters(self, token): + originalPhase = self.parser.phase + self.parser.phase = self.parser.phases["inTableText"] + self.parser.phase.originalPhase = originalPhase + self.parser.phase.processSpaceCharacters(token) + + def processCharacters(self, token): + originalPhase = self.parser.phase + self.parser.phase = self.parser.phases["inTableText"] + self.parser.phase.originalPhase = originalPhase + self.parser.phase.processCharacters(token) + + def insertText(self, token): + # If we get here there must be at least one non-whitespace character + # Do the table magic! + self.tree.insertFromTable = True + self.parser.phases["inBody"].processCharacters(token) + self.tree.insertFromTable = False + + def startTagCaption(self, token): + self.clearStackToTableContext() + self.tree.activeFormattingElements.append(Marker) + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inCaption"] + + def startTagColgroup(self, token): + self.clearStackToTableContext() + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inColumnGroup"] + + def startTagCol(self, token): + self.startTagColgroup(impliedTagToken("colgroup", "StartTag")) + return token + + def startTagRowGroup(self, token): + self.clearStackToTableContext() + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inTableBody"] + + def startTagImplyTbody(self, token): + self.startTagRowGroup(impliedTagToken("tbody", "StartTag")) + return token + + def startTagTable(self, token): + self.parser.parseError("unexpected-start-tag-implies-end-tag", + {"startName": "table", "endName": "table"}) + self.parser.phase.processEndTag(impliedTagToken("table")) + if not self.parser.innerHTML: + return token + + def startTagStyleScript(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagInput(self, token): + if ("type" in token["data"] and + token["data"]["type"].translate(asciiUpper2Lower) == "hidden"): + self.parser.parseError("unexpected-hidden-input-in-table") + self.tree.insertElement(token) + # XXX associate with form + self.tree.openElements.pop() + else: + self.startTagOther(token) + + def startTagForm(self, token): + self.parser.parseError("unexpected-form-in-table") + if self.tree.formPointer is None: + self.tree.insertElement(token) + self.tree.formPointer = self.tree.openElements[-1] + self.tree.openElements.pop() + + def startTagOther(self, token): + self.parser.parseError("unexpected-start-tag-implies-table-voodoo", {"name": token["name"]}) + # Do the table magic! + self.tree.insertFromTable = True + self.parser.phases["inBody"].processStartTag(token) + self.tree.insertFromTable = False + + def endTagTable(self, token): + if self.tree.elementInScope("table", variant="table"): + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1].name != "table": + self.parser.parseError("end-tag-too-early-named", + {"gotName": "table", + "expectedName": self.tree.openElements[-1].name}) + while self.tree.openElements[-1].name != "table": + self.tree.openElements.pop() + self.tree.openElements.pop() + self.parser.resetInsertionMode() + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def endTagIgnore(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag-implies-table-voodoo", {"name": token["name"]}) + # Do the table magic! + self.tree.insertFromTable = True + self.parser.phases["inBody"].processEndTag(token) + self.tree.insertFromTable = False + + class InTableTextPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.originalPhase = None + self.characterTokens = [] + + def flushCharacters(self): + data = "".join([item["data"] for item in self.characterTokens]) + if any([item not in spaceCharacters for item in data]): + token = {"type": tokenTypes["Characters"], "data": data} + self.parser.phases["inTable"].insertText(token) + elif data: + self.tree.insertText(data) + self.characterTokens = [] + + def processComment(self, token): + self.flushCharacters() + self.parser.phase = self.originalPhase + return token + + def processEOF(self): + self.flushCharacters() + self.parser.phase = self.originalPhase + return True + + def processCharacters(self, token): + if token["data"] == "\u0000": + return + self.characterTokens.append(token) + + def processSpaceCharacters(self, token): + # pretty sure we should never reach here + self.characterTokens.append(token) + # assert False + + def processStartTag(self, token): + self.flushCharacters() + self.parser.phase = self.originalPhase + return token + + def processEndTag(self, token): + self.flushCharacters() + self.parser.phase = self.originalPhase + return token + + class InCaptionPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-caption + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th", + "thead", "tr"), self.startTagTableElement) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("caption", self.endTagCaption), + ("table", self.endTagTable), + (("body", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", + "thead", "tr"), self.endTagIgnore) + ]) + self.endTagHandler.default = self.endTagOther + + def ignoreEndTagCaption(self): + return not self.tree.elementInScope("caption", variant="table") + + def processEOF(self): + self.parser.phases["inBody"].processEOF() + + def processCharacters(self, token): + return self.parser.phases["inBody"].processCharacters(token) + + def startTagTableElement(self, token): + self.parser.parseError() + # XXX Have to duplicate logic here to find out if the tag is ignored + ignoreEndTag = self.ignoreEndTagCaption() + self.parser.phase.processEndTag(impliedTagToken("caption")) + if not ignoreEndTag: + return token + + def startTagOther(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def endTagCaption(self, token): + if not self.ignoreEndTagCaption(): + # AT this code is quite similar to endTagTable in "InTable" + self.tree.generateImpliedEndTags() + if self.tree.openElements[-1].name != "caption": + self.parser.parseError("expected-one-end-tag-but-got-another", + {"gotName": "caption", + "expectedName": self.tree.openElements[-1].name}) + while self.tree.openElements[-1].name != "caption": + self.tree.openElements.pop() + self.tree.openElements.pop() + self.tree.clearActiveFormattingElements() + self.parser.phase = self.parser.phases["inTable"] + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def endTagTable(self, token): + self.parser.parseError() + ignoreEndTag = self.ignoreEndTagCaption() + self.parser.phase.processEndTag(impliedTagToken("caption")) + if not ignoreEndTag: + return token + + def endTagIgnore(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def endTagOther(self, token): + return self.parser.phases["inBody"].processEndTag(token) + + class InColumnGroupPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-column + + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("col", self.startTagCol) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("colgroup", self.endTagColgroup), + ("col", self.endTagCol) + ]) + self.endTagHandler.default = self.endTagOther + + def ignoreEndTagColgroup(self): + return self.tree.openElements[-1].name == "html" + + def processEOF(self): + if self.tree.openElements[-1].name == "html": + assert self.parser.innerHTML + return + else: + ignoreEndTag = self.ignoreEndTagColgroup() + self.endTagColgroup(impliedTagToken("colgroup")) + if not ignoreEndTag: + return True + + def processCharacters(self, token): + ignoreEndTag = self.ignoreEndTagColgroup() + self.endTagColgroup(impliedTagToken("colgroup")) + if not ignoreEndTag: + return token + + def startTagCol(self, token): + self.tree.insertElement(token) + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def startTagOther(self, token): + ignoreEndTag = self.ignoreEndTagColgroup() + self.endTagColgroup(impliedTagToken("colgroup")) + if not ignoreEndTag: + return token + + def endTagColgroup(self, token): + if self.ignoreEndTagColgroup(): + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + else: + self.tree.openElements.pop() + self.parser.phase = self.parser.phases["inTable"] + + def endTagCol(self, token): + self.parser.parseError("no-end-tag", {"name": "col"}) + + def endTagOther(self, token): + ignoreEndTag = self.ignoreEndTagColgroup() + self.endTagColgroup(impliedTagToken("colgroup")) + if not ignoreEndTag: + return token + + class InTableBodyPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-table0 + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("tr", self.startTagTr), + (("td", "th"), self.startTagTableCell), + (("caption", "col", "colgroup", "tbody", "tfoot", "thead"), + self.startTagTableOther) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + (("tbody", "tfoot", "thead"), self.endTagTableRowGroup), + ("table", self.endTagTable), + (("body", "caption", "col", "colgroup", "html", "td", "th", + "tr"), self.endTagIgnore) + ]) + self.endTagHandler.default = self.endTagOther + + # helper methods + def clearStackToTableBodyContext(self): + while self.tree.openElements[-1].name not in ("tbody", "tfoot", + "thead", "html"): + # self.parser.parseError("unexpected-implied-end-tag-in-table", + # {"name": self.tree.openElements[-1].name}) + self.tree.openElements.pop() + if self.tree.openElements[-1].name == "html": + assert self.parser.innerHTML + + # the rest + def processEOF(self): + self.parser.phases["inTable"].processEOF() + + def processSpaceCharacters(self, token): + return self.parser.phases["inTable"].processSpaceCharacters(token) + + def processCharacters(self, token): + return self.parser.phases["inTable"].processCharacters(token) + + def startTagTr(self, token): + self.clearStackToTableBodyContext() + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inRow"] + + def startTagTableCell(self, token): + self.parser.parseError("unexpected-cell-in-table-body", + {"name": token["name"]}) + self.startTagTr(impliedTagToken("tr", "StartTag")) + return token + + def startTagTableOther(self, token): + # XXX AT Any ideas on how to share this with endTagTable? + if (self.tree.elementInScope("tbody", variant="table") or + self.tree.elementInScope("thead", variant="table") or + self.tree.elementInScope("tfoot", variant="table")): + self.clearStackToTableBodyContext() + self.endTagTableRowGroup( + impliedTagToken(self.tree.openElements[-1].name)) + return token + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def startTagOther(self, token): + return self.parser.phases["inTable"].processStartTag(token) + + def endTagTableRowGroup(self, token): + if self.tree.elementInScope(token["name"], variant="table"): + self.clearStackToTableBodyContext() + self.tree.openElements.pop() + self.parser.phase = self.parser.phases["inTable"] + else: + self.parser.parseError("unexpected-end-tag-in-table-body", + {"name": token["name"]}) + + def endTagTable(self, token): + if (self.tree.elementInScope("tbody", variant="table") or + self.tree.elementInScope("thead", variant="table") or + self.tree.elementInScope("tfoot", variant="table")): + self.clearStackToTableBodyContext() + self.endTagTableRowGroup( + impliedTagToken(self.tree.openElements[-1].name)) + return token + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def endTagIgnore(self, token): + self.parser.parseError("unexpected-end-tag-in-table-body", + {"name": token["name"]}) + + def endTagOther(self, token): + return self.parser.phases["inTable"].processEndTag(token) + + class InRowPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-row + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + (("td", "th"), self.startTagTableCell), + (("caption", "col", "colgroup", "tbody", "tfoot", "thead", + "tr"), self.startTagTableOther) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("tr", self.endTagTr), + ("table", self.endTagTable), + (("tbody", "tfoot", "thead"), self.endTagTableRowGroup), + (("body", "caption", "col", "colgroup", "html", "td", "th"), + self.endTagIgnore) + ]) + self.endTagHandler.default = self.endTagOther + + # helper methods (XXX unify this with other table helper methods) + def clearStackToTableRowContext(self): + while self.tree.openElements[-1].name not in ("tr", "html"): + self.parser.parseError("unexpected-implied-end-tag-in-table-row", + {"name": self.tree.openElements[-1].name}) + self.tree.openElements.pop() + + def ignoreEndTagTr(self): + return not self.tree.elementInScope("tr", variant="table") + + # the rest + def processEOF(self): + self.parser.phases["inTable"].processEOF() + + def processSpaceCharacters(self, token): + return self.parser.phases["inTable"].processSpaceCharacters(token) + + def processCharacters(self, token): + return self.parser.phases["inTable"].processCharacters(token) + + def startTagTableCell(self, token): + self.clearStackToTableRowContext() + self.tree.insertElement(token) + self.parser.phase = self.parser.phases["inCell"] + self.tree.activeFormattingElements.append(Marker) + + def startTagTableOther(self, token): + ignoreEndTag = self.ignoreEndTagTr() + self.endTagTr(impliedTagToken("tr")) + # XXX how are we sure it's always ignored in the innerHTML case? + if not ignoreEndTag: + return token + + def startTagOther(self, token): + return self.parser.phases["inTable"].processStartTag(token) + + def endTagTr(self, token): + if not self.ignoreEndTagTr(): + self.clearStackToTableRowContext() + self.tree.openElements.pop() + self.parser.phase = self.parser.phases["inTableBody"] + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def endTagTable(self, token): + ignoreEndTag = self.ignoreEndTagTr() + self.endTagTr(impliedTagToken("tr")) + # Reprocess the current tag if the tr end tag was not ignored + # XXX how are we sure it's always ignored in the innerHTML case? + if not ignoreEndTag: + return token + + def endTagTableRowGroup(self, token): + if self.tree.elementInScope(token["name"], variant="table"): + self.endTagTr(impliedTagToken("tr")) + return token + else: + self.parser.parseError() + + def endTagIgnore(self, token): + self.parser.parseError("unexpected-end-tag-in-table-row", + {"name": token["name"]}) + + def endTagOther(self, token): + return self.parser.phases["inTable"].processEndTag(token) + + class InCellPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-cell + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th", + "thead", "tr"), self.startTagTableOther) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + (("td", "th"), self.endTagTableCell), + (("body", "caption", "col", "colgroup", "html"), self.endTagIgnore), + (("table", "tbody", "tfoot", "thead", "tr"), self.endTagImply) + ]) + self.endTagHandler.default = self.endTagOther + + # helper + def closeCell(self): + if self.tree.elementInScope("td", variant="table"): + self.endTagTableCell(impliedTagToken("td")) + elif self.tree.elementInScope("th", variant="table"): + self.endTagTableCell(impliedTagToken("th")) + + # the rest + def processEOF(self): + self.parser.phases["inBody"].processEOF() + + def processCharacters(self, token): + return self.parser.phases["inBody"].processCharacters(token) + + def startTagTableOther(self, token): + if (self.tree.elementInScope("td", variant="table") or + self.tree.elementInScope("th", variant="table")): + self.closeCell() + return token + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def startTagOther(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def endTagTableCell(self, token): + if self.tree.elementInScope(token["name"], variant="table"): + self.tree.generateImpliedEndTags(token["name"]) + if self.tree.openElements[-1].name != token["name"]: + self.parser.parseError("unexpected-cell-end-tag", + {"name": token["name"]}) + while True: + node = self.tree.openElements.pop() + if node.name == token["name"]: + break + else: + self.tree.openElements.pop() + self.tree.clearActiveFormattingElements() + self.parser.phase = self.parser.phases["inRow"] + else: + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def endTagIgnore(self, token): + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + def endTagImply(self, token): + if self.tree.elementInScope(token["name"], variant="table"): + self.closeCell() + return token + else: + # sometimes innerHTML case + self.parser.parseError() + + def endTagOther(self, token): + return self.parser.phases["inBody"].processEndTag(token) + + class InSelectPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("option", self.startTagOption), + ("optgroup", self.startTagOptgroup), + ("select", self.startTagSelect), + (("input", "keygen", "textarea"), self.startTagInput), + ("script", self.startTagScript) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("option", self.endTagOption), + ("optgroup", self.endTagOptgroup), + ("select", self.endTagSelect) + ]) + self.endTagHandler.default = self.endTagOther + + # http://www.whatwg.org/specs/web-apps/current-work/#in-select + def processEOF(self): + if self.tree.openElements[-1].name != "html": + self.parser.parseError("eof-in-select") + else: + assert self.parser.innerHTML + + def processCharacters(self, token): + if token["data"] == "\u0000": + return + self.tree.insertText(token["data"]) + + def startTagOption(self, token): + # We need to imply </option> if <option> is the current node. + if self.tree.openElements[-1].name == "option": + self.tree.openElements.pop() + self.tree.insertElement(token) + + def startTagOptgroup(self, token): + if self.tree.openElements[-1].name == "option": + self.tree.openElements.pop() + if self.tree.openElements[-1].name == "optgroup": + self.tree.openElements.pop() + self.tree.insertElement(token) + + def startTagSelect(self, token): + self.parser.parseError("unexpected-select-in-select") + self.endTagSelect(impliedTagToken("select")) + + def startTagInput(self, token): + self.parser.parseError("unexpected-input-in-select") + if self.tree.elementInScope("select", variant="select"): + self.endTagSelect(impliedTagToken("select")) + return token + else: + assert self.parser.innerHTML + + def startTagScript(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("unexpected-start-tag-in-select", + {"name": token["name"]}) + + def endTagOption(self, token): + if self.tree.openElements[-1].name == "option": + self.tree.openElements.pop() + else: + self.parser.parseError("unexpected-end-tag-in-select", + {"name": "option"}) + + def endTagOptgroup(self, token): + # </optgroup> implicitly closes <option> + if (self.tree.openElements[-1].name == "option" and + self.tree.openElements[-2].name == "optgroup"): + self.tree.openElements.pop() + # It also closes </optgroup> + if self.tree.openElements[-1].name == "optgroup": + self.tree.openElements.pop() + # But nothing else + else: + self.parser.parseError("unexpected-end-tag-in-select", + {"name": "optgroup"}) + + def endTagSelect(self, token): + if self.tree.elementInScope("select", variant="select"): + node = self.tree.openElements.pop() + while node.name != "select": + node = self.tree.openElements.pop() + self.parser.resetInsertionMode() + else: + # innerHTML case + assert self.parser.innerHTML + self.parser.parseError() + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag-in-select", + {"name": token["name"]}) + + class InSelectInTablePhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"), + self.startTagTable) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"), + self.endTagTable) + ]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + self.parser.phases["inSelect"].processEOF() + + def processCharacters(self, token): + return self.parser.phases["inSelect"].processCharacters(token) + + def startTagTable(self, token): + self.parser.parseError("unexpected-table-element-start-tag-in-select-in-table", {"name": token["name"]}) + self.endTagOther(impliedTagToken("select")) + return token + + def startTagOther(self, token): + return self.parser.phases["inSelect"].processStartTag(token) + + def endTagTable(self, token): + self.parser.parseError("unexpected-table-element-end-tag-in-select-in-table", {"name": token["name"]}) + if self.tree.elementInScope(token["name"], variant="table"): + self.endTagOther(impliedTagToken("select")) + return token + + def endTagOther(self, token): + return self.parser.phases["inSelect"].processEndTag(token) + + class InForeignContentPhase(Phase): + breakoutElements = frozenset(["b", "big", "blockquote", "body", "br", + "center", "code", "dd", "div", "dl", "dt", + "em", "embed", "h1", "h2", "h3", + "h4", "h5", "h6", "head", "hr", "i", "img", + "li", "listing", "menu", "meta", "nobr", + "ol", "p", "pre", "ruby", "s", "small", + "span", "strong", "strike", "sub", "sup", + "table", "tt", "u", "ul", "var"]) + + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + def adjustSVGTagNames(self, token): + replacements = {"altglyph": "altGlyph", + "altglyphdef": "altGlyphDef", + "altglyphitem": "altGlyphItem", + "animatecolor": "animateColor", + "animatemotion": "animateMotion", + "animatetransform": "animateTransform", + "clippath": "clipPath", + "feblend": "feBlend", + "fecolormatrix": "feColorMatrix", + "fecomponenttransfer": "feComponentTransfer", + "fecomposite": "feComposite", + "feconvolvematrix": "feConvolveMatrix", + "fediffuselighting": "feDiffuseLighting", + "fedisplacementmap": "feDisplacementMap", + "fedistantlight": "feDistantLight", + "feflood": "feFlood", + "fefunca": "feFuncA", + "fefuncb": "feFuncB", + "fefuncg": "feFuncG", + "fefuncr": "feFuncR", + "fegaussianblur": "feGaussianBlur", + "feimage": "feImage", + "femerge": "feMerge", + "femergenode": "feMergeNode", + "femorphology": "feMorphology", + "feoffset": "feOffset", + "fepointlight": "fePointLight", + "fespecularlighting": "feSpecularLighting", + "fespotlight": "feSpotLight", + "fetile": "feTile", + "feturbulence": "feTurbulence", + "foreignobject": "foreignObject", + "glyphref": "glyphRef", + "lineargradient": "linearGradient", + "radialgradient": "radialGradient", + "textpath": "textPath"} + + if token["name"] in replacements: + token["name"] = replacements[token["name"]] + + def processCharacters(self, token): + if token["data"] == "\u0000": + token["data"] = "\uFFFD" + elif (self.parser.framesetOK and + any(char not in spaceCharacters for char in token["data"])): + self.parser.framesetOK = False + Phase.processCharacters(self, token) + + def processStartTag(self, token): + currentNode = self.tree.openElements[-1] + if (token["name"] in self.breakoutElements or + (token["name"] == "font" and + set(token["data"].keys()) & set(["color", "face", "size"]))): + self.parser.parseError("unexpected-html-element-in-foreign-content", + {"name": token["name"]}) + while (self.tree.openElements[-1].namespace != + self.tree.defaultNamespace and + not self.parser.isHTMLIntegrationPoint(self.tree.openElements[-1]) and + not self.parser.isMathMLTextIntegrationPoint(self.tree.openElements[-1])): + self.tree.openElements.pop() + return token + + else: + if currentNode.namespace == namespaces["mathml"]: + self.parser.adjustMathMLAttributes(token) + elif currentNode.namespace == namespaces["svg"]: + self.adjustSVGTagNames(token) + self.parser.adjustSVGAttributes(token) + self.parser.adjustForeignAttributes(token) + token["namespace"] = currentNode.namespace + self.tree.insertElement(token) + if token["selfClosing"]: + self.tree.openElements.pop() + token["selfClosingAcknowledged"] = True + + def processEndTag(self, token): + nodeIndex = len(self.tree.openElements) - 1 + node = self.tree.openElements[-1] + if node.name.translate(asciiUpper2Lower) != token["name"]: + self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) + + while True: + if node.name.translate(asciiUpper2Lower) == token["name"]: + # XXX this isn't in the spec but it seems necessary + if self.parser.phase == self.parser.phases["inTableText"]: + self.parser.phase.flushCharacters() + self.parser.phase = self.parser.phase.originalPhase + while self.tree.openElements.pop() != node: + assert self.tree.openElements + new_token = None + break + nodeIndex -= 1 + + node = self.tree.openElements[nodeIndex] + if node.namespace != self.tree.defaultNamespace: + continue + else: + new_token = self.parser.phase.processEndTag(token) + break + return new_token + + class AfterBodyPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([("html", self.endTagHtml)]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + # Stop parsing + pass + + def processComment(self, token): + # This is needed because data is to be appended to the <html> element + # here and not to whatever is currently open. + self.tree.insertComment(token, self.tree.openElements[0]) + + def processCharacters(self, token): + self.parser.parseError("unexpected-char-after-body") + self.parser.phase = self.parser.phases["inBody"] + return token + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("unexpected-start-tag-after-body", + {"name": token["name"]}) + self.parser.phase = self.parser.phases["inBody"] + return token + + def endTagHtml(self, name): + if self.parser.innerHTML: + self.parser.parseError("unexpected-end-tag-after-body-innerhtml") + else: + self.parser.phase = self.parser.phases["afterAfterBody"] + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag-after-body", + {"name": token["name"]}) + self.parser.phase = self.parser.phases["inBody"] + return token + + class InFramesetPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#in-frameset + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("frameset", self.startTagFrameset), + ("frame", self.startTagFrame), + ("noframes", self.startTagNoframes) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("frameset", self.endTagFrameset) + ]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + if self.tree.openElements[-1].name != "html": + self.parser.parseError("eof-in-frameset") + else: + assert self.parser.innerHTML + + def processCharacters(self, token): + self.parser.parseError("unexpected-char-in-frameset") + + def startTagFrameset(self, token): + self.tree.insertElement(token) + + def startTagFrame(self, token): + self.tree.insertElement(token) + self.tree.openElements.pop() + + def startTagNoframes(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("unexpected-start-tag-in-frameset", + {"name": token["name"]}) + + def endTagFrameset(self, token): + if self.tree.openElements[-1].name == "html": + # innerHTML case + self.parser.parseError("unexpected-frameset-in-frameset-innerhtml") + else: + self.tree.openElements.pop() + if (not self.parser.innerHTML and + self.tree.openElements[-1].name != "frameset"): + # If we're not in innerHTML mode and the current node is not a + # "frameset" element (anymore) then switch. + self.parser.phase = self.parser.phases["afterFrameset"] + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag-in-frameset", + {"name": token["name"]}) + + class AfterFramesetPhase(Phase): + # http://www.whatwg.org/specs/web-apps/current-work/#after3 + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("noframes", self.startTagNoframes) + ]) + self.startTagHandler.default = self.startTagOther + + self.endTagHandler = _utils.MethodDispatcher([ + ("html", self.endTagHtml) + ]) + self.endTagHandler.default = self.endTagOther + + def processEOF(self): + # Stop parsing + pass + + def processCharacters(self, token): + self.parser.parseError("unexpected-char-after-frameset") + + def startTagNoframes(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("unexpected-start-tag-after-frameset", + {"name": token["name"]}) + + def endTagHtml(self, token): + self.parser.phase = self.parser.phases["afterAfterFrameset"] + + def endTagOther(self, token): + self.parser.parseError("unexpected-end-tag-after-frameset", + {"name": token["name"]}) + + class AfterAfterBodyPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml) + ]) + self.startTagHandler.default = self.startTagOther + + def processEOF(self): + pass + + def processComment(self, token): + self.tree.insertComment(token, self.tree.document) + + def processSpaceCharacters(self, token): + return self.parser.phases["inBody"].processSpaceCharacters(token) + + def processCharacters(self, token): + self.parser.parseError("expected-eof-but-got-char") + self.parser.phase = self.parser.phases["inBody"] + return token + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("expected-eof-but-got-start-tag", + {"name": token["name"]}) + self.parser.phase = self.parser.phases["inBody"] + return token + + def processEndTag(self, token): + self.parser.parseError("expected-eof-but-got-end-tag", + {"name": token["name"]}) + self.parser.phase = self.parser.phases["inBody"] + return token + + class AfterAfterFramesetPhase(Phase): + def __init__(self, parser, tree): + Phase.__init__(self, parser, tree) + + self.startTagHandler = _utils.MethodDispatcher([ + ("html", self.startTagHtml), + ("noframes", self.startTagNoFrames) + ]) + self.startTagHandler.default = self.startTagOther + + def processEOF(self): + pass + + def processComment(self, token): + self.tree.insertComment(token, self.tree.document) + + def processSpaceCharacters(self, token): + return self.parser.phases["inBody"].processSpaceCharacters(token) + + def processCharacters(self, token): + self.parser.parseError("expected-eof-but-got-char") + + def startTagHtml(self, token): + return self.parser.phases["inBody"].processStartTag(token) + + def startTagNoFrames(self, token): + return self.parser.phases["inHead"].processStartTag(token) + + def startTagOther(self, token): + self.parser.parseError("expected-eof-but-got-start-tag", + {"name": token["name"]}) + + def processEndTag(self, token): + self.parser.parseError("expected-eof-but-got-end-tag", + {"name": token["name"]}) + # pylint:enable=unused-argument + + return { + "initial": InitialPhase, + "beforeHtml": BeforeHtmlPhase, + "beforeHead": BeforeHeadPhase, + "inHead": InHeadPhase, + "inHeadNoscript": InHeadNoscriptPhase, + "afterHead": AfterHeadPhase, + "inBody": InBodyPhase, + "text": TextPhase, + "inTable": InTablePhase, + "inTableText": InTableTextPhase, + "inCaption": InCaptionPhase, + "inColumnGroup": InColumnGroupPhase, + "inTableBody": InTableBodyPhase, + "inRow": InRowPhase, + "inCell": InCellPhase, + "inSelect": InSelectPhase, + "inSelectInTable": InSelectInTablePhase, + "inForeignContent": InForeignContentPhase, + "afterBody": AfterBodyPhase, + "inFrameset": InFramesetPhase, + "afterFrameset": AfterFramesetPhase, + "afterAfterBody": AfterAfterBodyPhase, + "afterAfterFrameset": AfterAfterFramesetPhase, + # XXX after after frameset + } + + +def adjust_attributes(token, replacements): + needs_adjustment = viewkeys(token['data']) & viewkeys(replacements) + if needs_adjustment: + token['data'] = OrderedDict((replacements.get(k, k), v) + for k, v in token['data'].items()) + + +def impliedTagToken(name, type="EndTag", attributes=None, + selfClosing=False): + if attributes is None: + attributes = {} + return {"type": tokenTypes[type], "name": name, "data": attributes, + "selfClosing": selfClosing} + + +class ParseError(Exception): + """Error in parsed document""" + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/serializer.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/serializer.py new file mode 100644 index 0000000..53f4d44 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/serializer.py @@ -0,0 +1,409 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import text_type + +import re + +from codecs import register_error, xmlcharrefreplace_errors + +from .constants import voidElements, booleanAttributes, spaceCharacters +from .constants import rcdataElements, entities, xmlEntities +from . import treewalkers, _utils +from xml.sax.saxutils import escape + +_quoteAttributeSpecChars = "".join(spaceCharacters) + "\"'=<>`" +_quoteAttributeSpec = re.compile("[" + _quoteAttributeSpecChars + "]") +_quoteAttributeLegacy = re.compile("[" + _quoteAttributeSpecChars + + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n" + "\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15" + "\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" + "\x20\x2f\x60\xa0\u1680\u180e\u180f\u2000" + "\u2001\u2002\u2003\u2004\u2005\u2006\u2007" + "\u2008\u2009\u200a\u2028\u2029\u202f\u205f" + "\u3000]") + + +_encode_entity_map = {} +_is_ucs4 = len("\U0010FFFF") == 1 +for k, v in list(entities.items()): + # skip multi-character entities + if ((_is_ucs4 and len(v) > 1) or + (not _is_ucs4 and len(v) > 2)): + continue + if v != "&": + if len(v) == 2: + v = _utils.surrogatePairToCodepoint(v) + else: + v = ord(v) + if v not in _encode_entity_map or k.islower(): + # prefer < over < and similarly for &, >, etc. + _encode_entity_map[v] = k + + +def htmlentityreplace_errors(exc): + if isinstance(exc, (UnicodeEncodeError, UnicodeTranslateError)): + res = [] + codepoints = [] + skip = False + for i, c in enumerate(exc.object[exc.start:exc.end]): + if skip: + skip = False + continue + index = i + exc.start + if _utils.isSurrogatePair(exc.object[index:min([exc.end, index + 2])]): + codepoint = _utils.surrogatePairToCodepoint(exc.object[index:index + 2]) + skip = True + else: + codepoint = ord(c) + codepoints.append(codepoint) + for cp in codepoints: + e = _encode_entity_map.get(cp) + if e: + res.append("&") + res.append(e) + if not e.endswith(";"): + res.append(";") + else: + res.append("&#x%s;" % (hex(cp)[2:])) + return ("".join(res), exc.end) + else: + return xmlcharrefreplace_errors(exc) + + +register_error("htmlentityreplace", htmlentityreplace_errors) + + +def serialize(input, tree="etree", encoding=None, **serializer_opts): + """Serializes the input token stream using the specified treewalker + + :arg input: the token stream to serialize + + :arg tree: the treewalker to use + + :arg encoding: the encoding to use + + :arg serializer_opts: any options to pass to the + :py:class:`html5lib.serializer.HTMLSerializer` that gets created + + :returns: the tree serialized as a string + + Example: + + >>> from html5lib.html5parser import parse + >>> from html5lib.serializer import serialize + >>> token_stream = parse('<html><body><p>Hi!</p></body></html>') + >>> serialize(token_stream, omit_optional_tags=False) + '<html><head></head><body><p>Hi!</p></body></html>' + + """ + # XXX: Should we cache this? + walker = treewalkers.getTreeWalker(tree) + s = HTMLSerializer(**serializer_opts) + return s.render(walker(input), encoding) + + +class HTMLSerializer(object): + + # attribute quoting options + quote_attr_values = "legacy" # be secure by default + quote_char = '"' + use_best_quote_char = True + + # tag syntax options + omit_optional_tags = True + minimize_boolean_attributes = True + use_trailing_solidus = False + space_before_trailing_solidus = True + + # escaping options + escape_lt_in_attrs = False + escape_rcdata = False + resolve_entities = True + + # miscellaneous options + alphabetical_attributes = False + inject_meta_charset = True + strip_whitespace = False + sanitize = False + + options = ("quote_attr_values", "quote_char", "use_best_quote_char", + "omit_optional_tags", "minimize_boolean_attributes", + "use_trailing_solidus", "space_before_trailing_solidus", + "escape_lt_in_attrs", "escape_rcdata", "resolve_entities", + "alphabetical_attributes", "inject_meta_charset", + "strip_whitespace", "sanitize") + + def __init__(self, **kwargs): + """Initialize HTMLSerializer + + :arg inject_meta_charset: Whether or not to inject the meta charset. + + Defaults to ``True``. + + :arg quote_attr_values: Whether to quote attribute values that don't + require quoting per legacy browser behavior (``"legacy"``), when + required by the standard (``"spec"``), or always (``"always"``). + + Defaults to ``"legacy"``. + + :arg quote_char: Use given quote character for attribute quoting. + + Defaults to ``"`` which will use double quotes unless attribute + value contains a double quote, in which case single quotes are + used. + + :arg escape_lt_in_attrs: Whether or not to escape ``<`` in attribute + values. + + Defaults to ``False``. + + :arg escape_rcdata: Whether to escape characters that need to be + escaped within normal elements within rcdata elements such as + style. + + Defaults to ``False``. + + :arg resolve_entities: Whether to resolve named character entities that + appear in the source tree. The XML predefined entities < > + & " ' are unaffected by this setting. + + Defaults to ``True``. + + :arg strip_whitespace: Whether to remove semantically meaningless + whitespace. (This compresses all whitespace to a single space + except within ``pre``.) + + Defaults to ``False``. + + :arg minimize_boolean_attributes: Shortens boolean attributes to give + just the attribute value, for example:: + + <input disabled="disabled"> + + becomes:: + + <input disabled> + + Defaults to ``True``. + + :arg use_trailing_solidus: Includes a close-tag slash at the end of the + start tag of void elements (empty elements whose end tag is + forbidden). E.g. ``<hr/>``. + + Defaults to ``False``. + + :arg space_before_trailing_solidus: Places a space immediately before + the closing slash in a tag using a trailing solidus. E.g. + ``<hr />``. Requires ``use_trailing_solidus=True``. + + Defaults to ``True``. + + :arg sanitize: Strip all unsafe or unknown constructs from output. + See :py:class:`html5lib.filters.sanitizer.Filter`. + + Defaults to ``False``. + + :arg omit_optional_tags: Omit start/end tags that are optional. + + Defaults to ``True``. + + :arg alphabetical_attributes: Reorder attributes to be in alphabetical order. + + Defaults to ``False``. + + """ + unexpected_args = frozenset(kwargs) - frozenset(self.options) + if len(unexpected_args) > 0: + raise TypeError("__init__() got an unexpected keyword argument '%s'" % next(iter(unexpected_args))) + if 'quote_char' in kwargs: + self.use_best_quote_char = False + for attr in self.options: + setattr(self, attr, kwargs.get(attr, getattr(self, attr))) + self.errors = [] + self.strict = False + + def encode(self, string): + assert(isinstance(string, text_type)) + if self.encoding: + return string.encode(self.encoding, "htmlentityreplace") + else: + return string + + def encodeStrict(self, string): + assert(isinstance(string, text_type)) + if self.encoding: + return string.encode(self.encoding, "strict") + else: + return string + + def serialize(self, treewalker, encoding=None): + # pylint:disable=too-many-nested-blocks + self.encoding = encoding + in_cdata = False + self.errors = [] + + if encoding and self.inject_meta_charset: + from .filters.inject_meta_charset import Filter + treewalker = Filter(treewalker, encoding) + # Alphabetical attributes is here under the assumption that none of + # the later filters add or change order of attributes; it needs to be + # before the sanitizer so escaped elements come out correctly + if self.alphabetical_attributes: + from .filters.alphabeticalattributes import Filter + treewalker = Filter(treewalker) + # WhitespaceFilter should be used before OptionalTagFilter + # for maximum efficiently of this latter filter + if self.strip_whitespace: + from .filters.whitespace import Filter + treewalker = Filter(treewalker) + if self.sanitize: + from .filters.sanitizer import Filter + treewalker = Filter(treewalker) + if self.omit_optional_tags: + from .filters.optionaltags import Filter + treewalker = Filter(treewalker) + + for token in treewalker: + type = token["type"] + if type == "Doctype": + doctype = "<!DOCTYPE %s" % token["name"] + + if token["publicId"]: + doctype += ' PUBLIC "%s"' % token["publicId"] + elif token["systemId"]: + doctype += " SYSTEM" + if token["systemId"]: + if token["systemId"].find('"') >= 0: + if token["systemId"].find("'") >= 0: + self.serializeError("System identifer contains both single and double quote characters") + quote_char = "'" + else: + quote_char = '"' + doctype += " %s%s%s" % (quote_char, token["systemId"], quote_char) + + doctype += ">" + yield self.encodeStrict(doctype) + + elif type in ("Characters", "SpaceCharacters"): + if type == "SpaceCharacters" or in_cdata: + if in_cdata and token["data"].find("</") >= 0: + self.serializeError("Unexpected </ in CDATA") + yield self.encode(token["data"]) + else: + yield self.encode(escape(token["data"])) + + elif type in ("StartTag", "EmptyTag"): + name = token["name"] + yield self.encodeStrict("<%s" % name) + if name in rcdataElements and not self.escape_rcdata: + in_cdata = True + elif in_cdata: + self.serializeError("Unexpected child element of a CDATA element") + for (_, attr_name), attr_value in token["data"].items(): + # TODO: Add namespace support here + k = attr_name + v = attr_value + yield self.encodeStrict(' ') + + yield self.encodeStrict(k) + if not self.minimize_boolean_attributes or \ + (k not in booleanAttributes.get(name, tuple()) and + k not in booleanAttributes.get("", tuple())): + yield self.encodeStrict("=") + if self.quote_attr_values == "always" or len(v) == 0: + quote_attr = True + elif self.quote_attr_values == "spec": + quote_attr = _quoteAttributeSpec.search(v) is not None + elif self.quote_attr_values == "legacy": + quote_attr = _quoteAttributeLegacy.search(v) is not None + else: + raise ValueError("quote_attr_values must be one of: " + "'always', 'spec', or 'legacy'") + v = v.replace("&", "&") + if self.escape_lt_in_attrs: + v = v.replace("<", "<") + if quote_attr: + quote_char = self.quote_char + if self.use_best_quote_char: + if "'" in v and '"' not in v: + quote_char = '"' + elif '"' in v and "'" not in v: + quote_char = "'" + if quote_char == "'": + v = v.replace("'", "'") + else: + v = v.replace('"', """) + yield self.encodeStrict(quote_char) + yield self.encode(v) + yield self.encodeStrict(quote_char) + else: + yield self.encode(v) + if name in voidElements and self.use_trailing_solidus: + if self.space_before_trailing_solidus: + yield self.encodeStrict(" /") + else: + yield self.encodeStrict("/") + yield self.encode(">") + + elif type == "EndTag": + name = token["name"] + if name in rcdataElements: + in_cdata = False + elif in_cdata: + self.serializeError("Unexpected child element of a CDATA element") + yield self.encodeStrict("</%s>" % name) + + elif type == "Comment": + data = token["data"] + if data.find("--") >= 0: + self.serializeError("Comment contains --") + yield self.encodeStrict("<!--%s-->" % token["data"]) + + elif type == "Entity": + name = token["name"] + key = name + ";" + if key not in entities: + self.serializeError("Entity %s not recognized" % name) + if self.resolve_entities and key not in xmlEntities: + data = entities[key] + else: + data = "&%s;" % name + yield self.encodeStrict(data) + + else: + self.serializeError(token["data"]) + + def render(self, treewalker, encoding=None): + """Serializes the stream from the treewalker into a string + + :arg treewalker: the treewalker to serialize + + :arg encoding: the string encoding to use + + :returns: the serialized tree + + Example: + + >>> from html5lib import parse, getTreeWalker + >>> from html5lib.serializer import HTMLSerializer + >>> token_stream = parse('<html><body>Hi!</body></html>') + >>> walker = getTreeWalker('etree') + >>> serializer = HTMLSerializer(omit_optional_tags=False) + >>> serializer.render(walker(token_stream)) + '<html><head></head><body>Hi!</body></html>' + + """ + if encoding: + return b"".join(list(self.serialize(treewalker, encoding))) + else: + return "".join(list(self.serialize(treewalker))) + + def serializeError(self, data="XXX ERROR MESSAGE NEEDED"): + # XXX The idea is to make data mandatory. + self.errors.append(data) + if self.strict: + raise SerializeError + + +class SerializeError(Exception): + """Error in serialized tree""" + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/__init__.py new file mode 100644 index 0000000..7ef5959 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/__init__.py @@ -0,0 +1,30 @@ +"""Tree adapters let you convert from one tree structure to another + +Example: + +.. code-block:: python + + from pip._vendor import html5lib + from pip._vendor.html5lib.treeadapters import genshi + + doc = '<html><body>Hi!</body></html>' + treebuilder = html5lib.getTreeBuilder('etree') + parser = html5lib.HTMLParser(tree=treebuilder) + tree = parser.parse(doc) + TreeWalker = html5lib.getTreeWalker('etree') + + genshi_tree = genshi.to_genshi(TreeWalker(tree)) + +""" +from __future__ import absolute_import, division, unicode_literals + +from . import sax + +__all__ = ["sax"] + +try: + from . import genshi # noqa +except ImportError: + pass +else: + __all__.append("genshi") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/genshi.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/genshi.py new file mode 100644 index 0000000..61d5fb6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/genshi.py @@ -0,0 +1,54 @@ +from __future__ import absolute_import, division, unicode_literals + +from genshi.core import QName, Attrs +from genshi.core import START, END, TEXT, COMMENT, DOCTYPE + + +def to_genshi(walker): + """Convert a tree to a genshi tree + + :arg walker: the treewalker to use to walk the tree to convert it + + :returns: generator of genshi nodes + + """ + text = [] + for token in walker: + type = token["type"] + if type in ("Characters", "SpaceCharacters"): + text.append(token["data"]) + elif text: + yield TEXT, "".join(text), (None, -1, -1) + text = [] + + if type in ("StartTag", "EmptyTag"): + if token["namespace"]: + name = "{%s}%s" % (token["namespace"], token["name"]) + else: + name = token["name"] + attrs = Attrs([(QName("{%s}%s" % attr if attr[0] is not None else attr[1]), value) + for attr, value in token["data"].items()]) + yield (START, (QName(name), attrs), (None, -1, -1)) + if type == "EmptyTag": + type = "EndTag" + + if type == "EndTag": + if token["namespace"]: + name = "{%s}%s" % (token["namespace"], token["name"]) + else: + name = token["name"] + + yield END, QName(name), (None, -1, -1) + + elif type == "Comment": + yield COMMENT, token["data"], (None, -1, -1) + + elif type == "Doctype": + yield DOCTYPE, (token["name"], token["publicId"], + token["systemId"]), (None, -1, -1) + + else: + pass # FIXME: What to do? + + if text: + yield TEXT, "".join(text), (None, -1, -1) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/sax.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/sax.py new file mode 100644 index 0000000..f4ccea5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treeadapters/sax.py @@ -0,0 +1,50 @@ +from __future__ import absolute_import, division, unicode_literals + +from xml.sax.xmlreader import AttributesNSImpl + +from ..constants import adjustForeignAttributes, unadjustForeignAttributes + +prefix_mapping = {} +for prefix, localName, namespace in adjustForeignAttributes.values(): + if prefix is not None: + prefix_mapping[prefix] = namespace + + +def to_sax(walker, handler): + """Call SAX-like content handler based on treewalker walker + + :arg walker: the treewalker to use to walk the tree to convert it + + :arg handler: SAX handler to use + + """ + handler.startDocument() + for prefix, namespace in prefix_mapping.items(): + handler.startPrefixMapping(prefix, namespace) + + for token in walker: + type = token["type"] + if type == "Doctype": + continue + elif type in ("StartTag", "EmptyTag"): + attrs = AttributesNSImpl(token["data"], + unadjustForeignAttributes) + handler.startElementNS((token["namespace"], token["name"]), + token["name"], + attrs) + if type == "EmptyTag": + handler.endElementNS((token["namespace"], token["name"]), + token["name"]) + elif type == "EndTag": + handler.endElementNS((token["namespace"], token["name"]), + token["name"]) + elif type in ("Characters", "SpaceCharacters"): + handler.characters(token["data"]) + elif type == "Comment": + pass + else: + assert False, "Unknown token type" + + for prefix, namespace in prefix_mapping.items(): + handler.endPrefixMapping(prefix) + handler.endDocument() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/__init__.py new file mode 100644 index 0000000..d44447e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/__init__.py @@ -0,0 +1,88 @@ +"""A collection of modules for building different kinds of trees from HTML +documents. + +To create a treebuilder for a new type of tree, you need to do +implement several things: + +1. A set of classes for various types of elements: Document, Doctype, Comment, + Element. These must implement the interface of ``base.treebuilders.Node`` + (although comment nodes have a different signature for their constructor, + see ``treebuilders.etree.Comment``) Textual content may also be implemented + as another node type, or not, as your tree implementation requires. + +2. A treebuilder object (called ``TreeBuilder`` by convention) that inherits + from ``treebuilders.base.TreeBuilder``. This has 4 required attributes: + + * ``documentClass`` - the class to use for the bottommost node of a document + * ``elementClass`` - the class to use for HTML Elements + * ``commentClass`` - the class to use for comments + * ``doctypeClass`` - the class to use for doctypes + + It also has one required method: + + * ``getDocument`` - Returns the root node of the complete document tree + +3. If you wish to run the unit tests, you must also create a ``testSerializer`` + method on your treebuilder which accepts a node and returns a string + containing Node and its children serialized according to the format used in + the unittests + +""" + +from __future__ import absolute_import, division, unicode_literals + +from .._utils import default_etree + +treeBuilderCache = {} + + +def getTreeBuilder(treeType, implementation=None, **kwargs): + """Get a TreeBuilder class for various types of trees with built-in support + + :arg treeType: the name of the tree type required (case-insensitive). Supported + values are: + + * "dom" - A generic builder for DOM implementations, defaulting to a + xml.dom.minidom based implementation. + * "etree" - A generic builder for tree implementations exposing an + ElementTree-like interface, defaulting to xml.etree.cElementTree if + available and xml.etree.ElementTree if not. + * "lxml" - A etree-based builder for lxml.etree, handling limitations + of lxml's implementation. + + :arg implementation: (Currently applies to the "etree" and "dom" tree + types). A module implementing the tree type e.g. xml.etree.ElementTree + or xml.etree.cElementTree. + + :arg kwargs: Any additional options to pass to the TreeBuilder when + creating it. + + Example: + + >>> from html5lib.treebuilders import getTreeBuilder + >>> builder = getTreeBuilder('etree') + + """ + + treeType = treeType.lower() + if treeType not in treeBuilderCache: + if treeType == "dom": + from . import dom + # Come up with a sane default (pref. from the stdlib) + if implementation is None: + from xml.dom import minidom + implementation = minidom + # NEVER cache here, caching is done in the dom submodule + return dom.getDomModule(implementation, **kwargs).TreeBuilder + elif treeType == "lxml": + from . import etree_lxml + treeBuilderCache[treeType] = etree_lxml.TreeBuilder + elif treeType == "etree": + from . import etree + if implementation is None: + implementation = default_etree + # NEVER cache here, caching is done in the etree submodule + return etree.getETreeModule(implementation, **kwargs).TreeBuilder + else: + raise ValueError("""Unrecognised treebuilder "%s" """ % treeType) + return treeBuilderCache.get(treeType) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/base.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/base.py new file mode 100644 index 0000000..73973db --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/base.py @@ -0,0 +1,417 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import text_type + +from ..constants import scopingElements, tableInsertModeElements, namespaces + +# The scope markers are inserted when entering object elements, +# marquees, table cells, and table captions, and are used to prevent formatting +# from "leaking" into tables, object elements, and marquees. +Marker = None + +listElementsMap = { + None: (frozenset(scopingElements), False), + "button": (frozenset(scopingElements | set([(namespaces["html"], "button")])), False), + "list": (frozenset(scopingElements | set([(namespaces["html"], "ol"), + (namespaces["html"], "ul")])), False), + "table": (frozenset([(namespaces["html"], "html"), + (namespaces["html"], "table")]), False), + "select": (frozenset([(namespaces["html"], "optgroup"), + (namespaces["html"], "option")]), True) +} + + +class Node(object): + """Represents an item in the tree""" + def __init__(self, name): + """Creates a Node + + :arg name: The tag name associated with the node + + """ + # The tag name assocaited with the node + self.name = name + # The parent of the current node (or None for the document node) + self.parent = None + # The value of the current node (applies to text nodes and comments) + self.value = None + # A dict holding name -> value pairs for attributes of the node + self.attributes = {} + # A list of child nodes of the current node. This must include all + # elements but not necessarily other node types. + self.childNodes = [] + # A list of miscellaneous flags that can be set on the node. + self._flags = [] + + def __str__(self): + attributesStr = " ".join(["%s=\"%s\"" % (name, value) + for name, value in + self.attributes.items()]) + if attributesStr: + return "<%s %s>" % (self.name, attributesStr) + else: + return "<%s>" % (self.name) + + def __repr__(self): + return "<%s>" % (self.name) + + def appendChild(self, node): + """Insert node as a child of the current node + + :arg node: the node to insert + + """ + raise NotImplementedError + + def insertText(self, data, insertBefore=None): + """Insert data as text in the current node, positioned before the + start of node insertBefore or to the end of the node's text. + + :arg data: the data to insert + + :arg insertBefore: True if you want to insert the text before the node + and False if you want to insert it after the node + + """ + raise NotImplementedError + + def insertBefore(self, node, refNode): + """Insert node as a child of the current node, before refNode in the + list of child nodes. Raises ValueError if refNode is not a child of + the current node + + :arg node: the node to insert + + :arg refNode: the child node to insert the node before + + """ + raise NotImplementedError + + def removeChild(self, node): + """Remove node from the children of the current node + + :arg node: the child node to remove + + """ + raise NotImplementedError + + def reparentChildren(self, newParent): + """Move all the children of the current node to newParent. + This is needed so that trees that don't store text as nodes move the + text in the correct way + + :arg newParent: the node to move all this node's children to + + """ + # XXX - should this method be made more general? + for child in self.childNodes: + newParent.appendChild(child) + self.childNodes = [] + + def cloneNode(self): + """Return a shallow copy of the current node i.e. a node with the same + name and attributes but with no parent or child nodes + """ + raise NotImplementedError + + def hasContent(self): + """Return true if the node has children or text, false otherwise + """ + raise NotImplementedError + + +class ActiveFormattingElements(list): + def append(self, node): + equalCount = 0 + if node != Marker: + for element in self[::-1]: + if element == Marker: + break + if self.nodesEqual(element, node): + equalCount += 1 + if equalCount == 3: + self.remove(element) + break + list.append(self, node) + + def nodesEqual(self, node1, node2): + if not node1.nameTuple == node2.nameTuple: + return False + + if not node1.attributes == node2.attributes: + return False + + return True + + +class TreeBuilder(object): + """Base treebuilder implementation + + * documentClass - the class to use for the bottommost node of a document + * elementClass - the class to use for HTML Elements + * commentClass - the class to use for comments + * doctypeClass - the class to use for doctypes + + """ + # pylint:disable=not-callable + + # Document class + documentClass = None + + # The class to use for creating a node + elementClass = None + + # The class to use for creating comments + commentClass = None + + # The class to use for creating doctypes + doctypeClass = None + + # Fragment class + fragmentClass = None + + def __init__(self, namespaceHTMLElements): + """Create a TreeBuilder + + :arg namespaceHTMLElements: whether or not to namespace HTML elements + + """ + if namespaceHTMLElements: + self.defaultNamespace = "http://www.w3.org/1999/xhtml" + else: + self.defaultNamespace = None + self.reset() + + def reset(self): + self.openElements = [] + self.activeFormattingElements = ActiveFormattingElements() + + # XXX - rename these to headElement, formElement + self.headPointer = None + self.formPointer = None + + self.insertFromTable = False + + self.document = self.documentClass() + + def elementInScope(self, target, variant=None): + + # If we pass a node in we match that. if we pass a string + # match any node with that name + exactNode = hasattr(target, "nameTuple") + if not exactNode: + if isinstance(target, text_type): + target = (namespaces["html"], target) + assert isinstance(target, tuple) + + listElements, invert = listElementsMap[variant] + + for node in reversed(self.openElements): + if exactNode and node == target: + return True + elif not exactNode and node.nameTuple == target: + return True + elif (invert ^ (node.nameTuple in listElements)): + return False + + assert False # We should never reach this point + + def reconstructActiveFormattingElements(self): + # Within this algorithm the order of steps described in the + # specification is not quite the same as the order of steps in the + # code. It should still do the same though. + + # Step 1: stop the algorithm when there's nothing to do. + if not self.activeFormattingElements: + return + + # Step 2 and step 3: we start with the last element. So i is -1. + i = len(self.activeFormattingElements) - 1 + entry = self.activeFormattingElements[i] + if entry == Marker or entry in self.openElements: + return + + # Step 6 + while entry != Marker and entry not in self.openElements: + if i == 0: + # This will be reset to 0 below + i = -1 + break + i -= 1 + # Step 5: let entry be one earlier in the list. + entry = self.activeFormattingElements[i] + + while True: + # Step 7 + i += 1 + + # Step 8 + entry = self.activeFormattingElements[i] + clone = entry.cloneNode() # Mainly to get a new copy of the attributes + + # Step 9 + element = self.insertElement({"type": "StartTag", + "name": clone.name, + "namespace": clone.namespace, + "data": clone.attributes}) + + # Step 10 + self.activeFormattingElements[i] = element + + # Step 11 + if element == self.activeFormattingElements[-1]: + break + + def clearActiveFormattingElements(self): + entry = self.activeFormattingElements.pop() + while self.activeFormattingElements and entry != Marker: + entry = self.activeFormattingElements.pop() + + def elementInActiveFormattingElements(self, name): + """Check if an element exists between the end of the active + formatting elements and the last marker. If it does, return it, else + return false""" + + for item in self.activeFormattingElements[::-1]: + # Check for Marker first because if it's a Marker it doesn't have a + # name attribute. + if item == Marker: + break + elif item.name == name: + return item + return False + + def insertRoot(self, token): + element = self.createElement(token) + self.openElements.append(element) + self.document.appendChild(element) + + def insertDoctype(self, token): + name = token["name"] + publicId = token["publicId"] + systemId = token["systemId"] + + doctype = self.doctypeClass(name, publicId, systemId) + self.document.appendChild(doctype) + + def insertComment(self, token, parent=None): + if parent is None: + parent = self.openElements[-1] + parent.appendChild(self.commentClass(token["data"])) + + def createElement(self, token): + """Create an element but don't insert it anywhere""" + name = token["name"] + namespace = token.get("namespace", self.defaultNamespace) + element = self.elementClass(name, namespace) + element.attributes = token["data"] + return element + + def _getInsertFromTable(self): + return self._insertFromTable + + def _setInsertFromTable(self, value): + """Switch the function used to insert an element from the + normal one to the misnested table one and back again""" + self._insertFromTable = value + if value: + self.insertElement = self.insertElementTable + else: + self.insertElement = self.insertElementNormal + + insertFromTable = property(_getInsertFromTable, _setInsertFromTable) + + def insertElementNormal(self, token): + name = token["name"] + assert isinstance(name, text_type), "Element %s not unicode" % name + namespace = token.get("namespace", self.defaultNamespace) + element = self.elementClass(name, namespace) + element.attributes = token["data"] + self.openElements[-1].appendChild(element) + self.openElements.append(element) + return element + + def insertElementTable(self, token): + """Create an element and insert it into the tree""" + element = self.createElement(token) + if self.openElements[-1].name not in tableInsertModeElements: + return self.insertElementNormal(token) + else: + # We should be in the InTable mode. This means we want to do + # special magic element rearranging + parent, insertBefore = self.getTableMisnestedNodePosition() + if insertBefore is None: + parent.appendChild(element) + else: + parent.insertBefore(element, insertBefore) + self.openElements.append(element) + return element + + def insertText(self, data, parent=None): + """Insert text data.""" + if parent is None: + parent = self.openElements[-1] + + if (not self.insertFromTable or (self.insertFromTable and + self.openElements[-1].name + not in tableInsertModeElements)): + parent.insertText(data) + else: + # We should be in the InTable mode. This means we want to do + # special magic element rearranging + parent, insertBefore = self.getTableMisnestedNodePosition() + parent.insertText(data, insertBefore) + + def getTableMisnestedNodePosition(self): + """Get the foster parent element, and sibling to insert before + (or None) when inserting a misnested table node""" + # The foster parent element is the one which comes before the most + # recently opened table element + # XXX - this is really inelegant + lastTable = None + fosterParent = None + insertBefore = None + for elm in self.openElements[::-1]: + if elm.name == "table": + lastTable = elm + break + if lastTable: + # XXX - we should really check that this parent is actually a + # node here + if lastTable.parent: + fosterParent = lastTable.parent + insertBefore = lastTable + else: + fosterParent = self.openElements[ + self.openElements.index(lastTable) - 1] + else: + fosterParent = self.openElements[0] + return fosterParent, insertBefore + + def generateImpliedEndTags(self, exclude=None): + name = self.openElements[-1].name + # XXX td, th and tr are not actually needed + if (name in frozenset(("dd", "dt", "li", "option", "optgroup", "p", "rp", "rt")) and + name != exclude): + self.openElements.pop() + # XXX This is not entirely what the specification says. We should + # investigate it more closely. + self.generateImpliedEndTags(exclude) + + def getDocument(self): + """Return the final tree""" + return self.document + + def getFragment(self): + """Return the final fragment""" + # assert self.innerHTML + fragment = self.fragmentClass() + self.openElements[0].reparentChildren(fragment) + return fragment + + def testSerializer(self, node): + """Serialize the subtree of node in the format required by unit tests + + :arg node: the node from which to start serializing + + """ + raise NotImplementedError diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/dom.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/dom.py new file mode 100644 index 0000000..dcfac22 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/dom.py @@ -0,0 +1,236 @@ +from __future__ import absolute_import, division, unicode_literals + + +from collections import MutableMapping +from xml.dom import minidom, Node +import weakref + +from . import base +from .. import constants +from ..constants import namespaces +from .._utils import moduleFactoryFactory + + +def getDomBuilder(DomImplementation): + Dom = DomImplementation + + class AttrList(MutableMapping): + def __init__(self, element): + self.element = element + + def __iter__(self): + return iter(self.element.attributes.keys()) + + def __setitem__(self, name, value): + if isinstance(name, tuple): + raise NotImplementedError + else: + attr = self.element.ownerDocument.createAttribute(name) + attr.value = value + self.element.attributes[name] = attr + + def __len__(self): + return len(self.element.attributes) + + def items(self): + return list(self.element.attributes.items()) + + def values(self): + return list(self.element.attributes.values()) + + def __getitem__(self, name): + if isinstance(name, tuple): + raise NotImplementedError + else: + return self.element.attributes[name].value + + def __delitem__(self, name): + if isinstance(name, tuple): + raise NotImplementedError + else: + del self.element.attributes[name] + + class NodeBuilder(base.Node): + def __init__(self, element): + base.Node.__init__(self, element.nodeName) + self.element = element + + namespace = property(lambda self: hasattr(self.element, "namespaceURI") and + self.element.namespaceURI or None) + + def appendChild(self, node): + node.parent = self + self.element.appendChild(node.element) + + def insertText(self, data, insertBefore=None): + text = self.element.ownerDocument.createTextNode(data) + if insertBefore: + self.element.insertBefore(text, insertBefore.element) + else: + self.element.appendChild(text) + + def insertBefore(self, node, refNode): + self.element.insertBefore(node.element, refNode.element) + node.parent = self + + def removeChild(self, node): + if node.element.parentNode == self.element: + self.element.removeChild(node.element) + node.parent = None + + def reparentChildren(self, newParent): + while self.element.hasChildNodes(): + child = self.element.firstChild + self.element.removeChild(child) + newParent.element.appendChild(child) + self.childNodes = [] + + def getAttributes(self): + return AttrList(self.element) + + def setAttributes(self, attributes): + if attributes: + for name, value in list(attributes.items()): + if isinstance(name, tuple): + if name[0] is not None: + qualifiedName = (name[0] + ":" + name[1]) + else: + qualifiedName = name[1] + self.element.setAttributeNS(name[2], qualifiedName, + value) + else: + self.element.setAttribute( + name, value) + attributes = property(getAttributes, setAttributes) + + def cloneNode(self): + return NodeBuilder(self.element.cloneNode(False)) + + def hasContent(self): + return self.element.hasChildNodes() + + def getNameTuple(self): + if self.namespace is None: + return namespaces["html"], self.name + else: + return self.namespace, self.name + + nameTuple = property(getNameTuple) + + class TreeBuilder(base.TreeBuilder): # pylint:disable=unused-variable + def documentClass(self): + self.dom = Dom.getDOMImplementation().createDocument(None, None, None) + return weakref.proxy(self) + + def insertDoctype(self, token): + name = token["name"] + publicId = token["publicId"] + systemId = token["systemId"] + + domimpl = Dom.getDOMImplementation() + doctype = domimpl.createDocumentType(name, publicId, systemId) + self.document.appendChild(NodeBuilder(doctype)) + if Dom == minidom: + doctype.ownerDocument = self.dom + + def elementClass(self, name, namespace=None): + if namespace is None and self.defaultNamespace is None: + node = self.dom.createElement(name) + else: + node = self.dom.createElementNS(namespace, name) + + return NodeBuilder(node) + + def commentClass(self, data): + return NodeBuilder(self.dom.createComment(data)) + + def fragmentClass(self): + return NodeBuilder(self.dom.createDocumentFragment()) + + def appendChild(self, node): + self.dom.appendChild(node.element) + + def testSerializer(self, element): + return testSerializer(element) + + def getDocument(self): + return self.dom + + def getFragment(self): + return base.TreeBuilder.getFragment(self).element + + def insertText(self, data, parent=None): + data = data + if parent != self: + base.TreeBuilder.insertText(self, data, parent) + else: + # HACK: allow text nodes as children of the document node + if hasattr(self.dom, '_child_node_types'): + # pylint:disable=protected-access + if Node.TEXT_NODE not in self.dom._child_node_types: + self.dom._child_node_types = list(self.dom._child_node_types) + self.dom._child_node_types.append(Node.TEXT_NODE) + self.dom.appendChild(self.dom.createTextNode(data)) + + implementation = DomImplementation + name = None + + def testSerializer(element): + element.normalize() + rv = [] + + def serializeElement(element, indent=0): + if element.nodeType == Node.DOCUMENT_TYPE_NODE: + if element.name: + if element.publicId or element.systemId: + publicId = element.publicId or "" + systemId = element.systemId or "" + rv.append("""|%s<!DOCTYPE %s "%s" "%s">""" % + (' ' * indent, element.name, publicId, systemId)) + else: + rv.append("|%s<!DOCTYPE %s>" % (' ' * indent, element.name)) + else: + rv.append("|%s<!DOCTYPE >" % (' ' * indent,)) + elif element.nodeType == Node.DOCUMENT_NODE: + rv.append("#document") + elif element.nodeType == Node.DOCUMENT_FRAGMENT_NODE: + rv.append("#document-fragment") + elif element.nodeType == Node.COMMENT_NODE: + rv.append("|%s<!-- %s -->" % (' ' * indent, element.nodeValue)) + elif element.nodeType == Node.TEXT_NODE: + rv.append("|%s\"%s\"" % (' ' * indent, element.nodeValue)) + else: + if (hasattr(element, "namespaceURI") and + element.namespaceURI is not None): + name = "%s %s" % (constants.prefixes[element.namespaceURI], + element.nodeName) + else: + name = element.nodeName + rv.append("|%s<%s>" % (' ' * indent, name)) + if element.hasAttributes(): + attributes = [] + for i in range(len(element.attributes)): + attr = element.attributes.item(i) + name = attr.nodeName + value = attr.value + ns = attr.namespaceURI + if ns: + name = "%s %s" % (constants.prefixes[ns], attr.localName) + else: + name = attr.nodeName + attributes.append((name, value)) + + for name, value in sorted(attributes): + rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) + indent += 2 + for child in element.childNodes: + serializeElement(child, indent) + serializeElement(element, 0) + + return "\n".join(rv) + + return locals() + + +# The actual means to get a module! +getDomModule = moduleFactoryFactory(getDomBuilder) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree.py new file mode 100644 index 0000000..0dedf44 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree.py @@ -0,0 +1,340 @@ +from __future__ import absolute_import, division, unicode_literals +# pylint:disable=protected-access + +from pip._vendor.six import text_type + +import re + +from . import base +from .. import _ihatexml +from .. import constants +from ..constants import namespaces +from .._utils import moduleFactoryFactory + +tag_regexp = re.compile("{([^}]*)}(.*)") + + +def getETreeBuilder(ElementTreeImplementation, fullTree=False): + ElementTree = ElementTreeImplementation + ElementTreeCommentType = ElementTree.Comment("asd").tag + + class Element(base.Node): + def __init__(self, name, namespace=None): + self._name = name + self._namespace = namespace + self._element = ElementTree.Element(self._getETreeTag(name, + namespace)) + if namespace is None: + self.nameTuple = namespaces["html"], self._name + else: + self.nameTuple = self._namespace, self._name + self.parent = None + self._childNodes = [] + self._flags = [] + + def _getETreeTag(self, name, namespace): + if namespace is None: + etree_tag = name + else: + etree_tag = "{%s}%s" % (namespace, name) + return etree_tag + + def _setName(self, name): + self._name = name + self._element.tag = self._getETreeTag(self._name, self._namespace) + + def _getName(self): + return self._name + + name = property(_getName, _setName) + + def _setNamespace(self, namespace): + self._namespace = namespace + self._element.tag = self._getETreeTag(self._name, self._namespace) + + def _getNamespace(self): + return self._namespace + + namespace = property(_getNamespace, _setNamespace) + + def _getAttributes(self): + return self._element.attrib + + def _setAttributes(self, attributes): + # Delete existing attributes first + # XXX - there may be a better way to do this... + for key in list(self._element.attrib.keys()): + del self._element.attrib[key] + for key, value in attributes.items(): + if isinstance(key, tuple): + name = "{%s}%s" % (key[2], key[1]) + else: + name = key + self._element.set(name, value) + + attributes = property(_getAttributes, _setAttributes) + + def _getChildNodes(self): + return self._childNodes + + def _setChildNodes(self, value): + del self._element[:] + self._childNodes = [] + for element in value: + self.insertChild(element) + + childNodes = property(_getChildNodes, _setChildNodes) + + def hasContent(self): + """Return true if the node has children or text""" + return bool(self._element.text or len(self._element)) + + def appendChild(self, node): + self._childNodes.append(node) + self._element.append(node._element) + node.parent = self + + def insertBefore(self, node, refNode): + index = list(self._element).index(refNode._element) + self._element.insert(index, node._element) + node.parent = self + + def removeChild(self, node): + self._childNodes.remove(node) + self._element.remove(node._element) + node.parent = None + + def insertText(self, data, insertBefore=None): + if not(len(self._element)): + if not self._element.text: + self._element.text = "" + self._element.text += data + elif insertBefore is None: + # Insert the text as the tail of the last child element + if not self._element[-1].tail: + self._element[-1].tail = "" + self._element[-1].tail += data + else: + # Insert the text before the specified node + children = list(self._element) + index = children.index(insertBefore._element) + if index > 0: + if not self._element[index - 1].tail: + self._element[index - 1].tail = "" + self._element[index - 1].tail += data + else: + if not self._element.text: + self._element.text = "" + self._element.text += data + + def cloneNode(self): + element = type(self)(self.name, self.namespace) + for name, value in self.attributes.items(): + element.attributes[name] = value + return element + + def reparentChildren(self, newParent): + if newParent.childNodes: + newParent.childNodes[-1]._element.tail += self._element.text + else: + if not newParent._element.text: + newParent._element.text = "" + if self._element.text is not None: + newParent._element.text += self._element.text + self._element.text = "" + base.Node.reparentChildren(self, newParent) + + class Comment(Element): + def __init__(self, data): + # Use the superclass constructor to set all properties on the + # wrapper element + self._element = ElementTree.Comment(data) + self.parent = None + self._childNodes = [] + self._flags = [] + + def _getData(self): + return self._element.text + + def _setData(self, value): + self._element.text = value + + data = property(_getData, _setData) + + class DocumentType(Element): + def __init__(self, name, publicId, systemId): + Element.__init__(self, "<!DOCTYPE>") + self._element.text = name + self.publicId = publicId + self.systemId = systemId + + def _getPublicId(self): + return self._element.get("publicId", "") + + def _setPublicId(self, value): + if value is not None: + self._element.set("publicId", value) + + publicId = property(_getPublicId, _setPublicId) + + def _getSystemId(self): + return self._element.get("systemId", "") + + def _setSystemId(self, value): + if value is not None: + self._element.set("systemId", value) + + systemId = property(_getSystemId, _setSystemId) + + class Document(Element): + def __init__(self): + Element.__init__(self, "DOCUMENT_ROOT") + + class DocumentFragment(Element): + def __init__(self): + Element.__init__(self, "DOCUMENT_FRAGMENT") + + def testSerializer(element): + rv = [] + + def serializeElement(element, indent=0): + if not(hasattr(element, "tag")): + element = element.getroot() + if element.tag == "<!DOCTYPE>": + if element.get("publicId") or element.get("systemId"): + publicId = element.get("publicId") or "" + systemId = element.get("systemId") or "" + rv.append("""<!DOCTYPE %s "%s" "%s">""" % + (element.text, publicId, systemId)) + else: + rv.append("<!DOCTYPE %s>" % (element.text,)) + elif element.tag == "DOCUMENT_ROOT": + rv.append("#document") + if element.text is not None: + rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) + if element.tail is not None: + raise TypeError("Document node cannot have tail") + if hasattr(element, "attrib") and len(element.attrib): + raise TypeError("Document node cannot have attributes") + elif element.tag == ElementTreeCommentType: + rv.append("|%s<!-- %s -->" % (' ' * indent, element.text)) + else: + assert isinstance(element.tag, text_type), \ + "Expected unicode, got %s, %s" % (type(element.tag), element.tag) + nsmatch = tag_regexp.match(element.tag) + + if nsmatch is None: + name = element.tag + else: + ns, name = nsmatch.groups() + prefix = constants.prefixes[ns] + name = "%s %s" % (prefix, name) + rv.append("|%s<%s>" % (' ' * indent, name)) + + if hasattr(element, "attrib"): + attributes = [] + for name, value in element.attrib.items(): + nsmatch = tag_regexp.match(name) + if nsmatch is not None: + ns, name = nsmatch.groups() + prefix = constants.prefixes[ns] + attr_string = "%s %s" % (prefix, name) + else: + attr_string = name + attributes.append((attr_string, value)) + + for name, value in sorted(attributes): + rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) + if element.text: + rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) + indent += 2 + for child in element: + serializeElement(child, indent) + if element.tail: + rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail)) + serializeElement(element, 0) + + return "\n".join(rv) + + def tostring(element): # pylint:disable=unused-variable + """Serialize an element and its child nodes to a string""" + rv = [] + filter = _ihatexml.InfosetFilter() + + def serializeElement(element): + if isinstance(element, ElementTree.ElementTree): + element = element.getroot() + + if element.tag == "<!DOCTYPE>": + if element.get("publicId") or element.get("systemId"): + publicId = element.get("publicId") or "" + systemId = element.get("systemId") or "" + rv.append("""<!DOCTYPE %s PUBLIC "%s" "%s">""" % + (element.text, publicId, systemId)) + else: + rv.append("<!DOCTYPE %s>" % (element.text,)) + elif element.tag == "DOCUMENT_ROOT": + if element.text is not None: + rv.append(element.text) + if element.tail is not None: + raise TypeError("Document node cannot have tail") + if hasattr(element, "attrib") and len(element.attrib): + raise TypeError("Document node cannot have attributes") + + for child in element: + serializeElement(child) + + elif element.tag == ElementTreeCommentType: + rv.append("<!--%s-->" % (element.text,)) + else: + # This is assumed to be an ordinary element + if not element.attrib: + rv.append("<%s>" % (filter.fromXmlName(element.tag),)) + else: + attr = " ".join(["%s=\"%s\"" % ( + filter.fromXmlName(name), value) + for name, value in element.attrib.items()]) + rv.append("<%s %s>" % (element.tag, attr)) + if element.text: + rv.append(element.text) + + for child in element: + serializeElement(child) + + rv.append("</%s>" % (element.tag,)) + + if element.tail: + rv.append(element.tail) + + serializeElement(element) + + return "".join(rv) + + class TreeBuilder(base.TreeBuilder): # pylint:disable=unused-variable + documentClass = Document + doctypeClass = DocumentType + elementClass = Element + commentClass = Comment + fragmentClass = DocumentFragment + implementation = ElementTreeImplementation + + def testSerializer(self, element): + return testSerializer(element) + + def getDocument(self): + if fullTree: + return self.document._element + else: + if self.defaultNamespace is not None: + return self.document._element.find( + "{%s}html" % self.defaultNamespace) + else: + return self.document._element.find("html") + + def getFragment(self): + return base.TreeBuilder.getFragment(self)._element + + return locals() + + +getETreeModule = moduleFactoryFactory(getETreeBuilder) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree_lxml.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree_lxml.py new file mode 100644 index 0000000..ca12a99 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treebuilders/etree_lxml.py @@ -0,0 +1,366 @@ +"""Module for supporting the lxml.etree library. The idea here is to use as much +of the native library as possible, without using fragile hacks like custom element +names that break between releases. The downside of this is that we cannot represent +all possible trees; specifically the following are known to cause problems: + +Text or comments as siblings of the root element +Docypes with no name + +When any of these things occur, we emit a DataLossWarning +""" + +from __future__ import absolute_import, division, unicode_literals +# pylint:disable=protected-access + +import warnings +import re +import sys + +from . import base +from ..constants import DataLossWarning +from .. import constants +from . import etree as etree_builders +from .. import _ihatexml + +import lxml.etree as etree + + +fullTree = True +tag_regexp = re.compile("{([^}]*)}(.*)") + +comment_type = etree.Comment("asd").tag + + +class DocumentType(object): + def __init__(self, name, publicId, systemId): + self.name = name + self.publicId = publicId + self.systemId = systemId + + +class Document(object): + def __init__(self): + self._elementTree = None + self._childNodes = [] + + def appendChild(self, element): + self._elementTree.getroot().addnext(element._element) + + def _getChildNodes(self): + return self._childNodes + + childNodes = property(_getChildNodes) + + +def testSerializer(element): + rv = [] + infosetFilter = _ihatexml.InfosetFilter(preventDoubleDashComments=True) + + def serializeElement(element, indent=0): + if not hasattr(element, "tag"): + if hasattr(element, "getroot"): + # Full tree case + rv.append("#document") + if element.docinfo.internalDTD: + if not (element.docinfo.public_id or + element.docinfo.system_url): + dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name + else: + dtd_str = """<!DOCTYPE %s "%s" "%s">""" % ( + element.docinfo.root_name, + element.docinfo.public_id, + element.docinfo.system_url) + rv.append("|%s%s" % (' ' * (indent + 2), dtd_str)) + next_element = element.getroot() + while next_element.getprevious() is not None: + next_element = next_element.getprevious() + while next_element is not None: + serializeElement(next_element, indent + 2) + next_element = next_element.getnext() + elif isinstance(element, str) or isinstance(element, bytes): + # Text in a fragment + assert isinstance(element, str) or sys.version_info[0] == 2 + rv.append("|%s\"%s\"" % (' ' * indent, element)) + else: + # Fragment case + rv.append("#document-fragment") + for next_element in element: + serializeElement(next_element, indent + 2) + elif element.tag == comment_type: + rv.append("|%s<!-- %s -->" % (' ' * indent, element.text)) + if hasattr(element, "tail") and element.tail: + rv.append("|%s\"%s\"" % (' ' * indent, element.tail)) + else: + assert isinstance(element, etree._Element) + nsmatch = etree_builders.tag_regexp.match(element.tag) + if nsmatch is not None: + ns = nsmatch.group(1) + tag = nsmatch.group(2) + prefix = constants.prefixes[ns] + rv.append("|%s<%s %s>" % (' ' * indent, prefix, + infosetFilter.fromXmlName(tag))) + else: + rv.append("|%s<%s>" % (' ' * indent, + infosetFilter.fromXmlName(element.tag))) + + if hasattr(element, "attrib"): + attributes = [] + for name, value in element.attrib.items(): + nsmatch = tag_regexp.match(name) + if nsmatch is not None: + ns, name = nsmatch.groups() + name = infosetFilter.fromXmlName(name) + prefix = constants.prefixes[ns] + attr_string = "%s %s" % (prefix, name) + else: + attr_string = infosetFilter.fromXmlName(name) + attributes.append((attr_string, value)) + + for name, value in sorted(attributes): + rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) + + if element.text: + rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) + indent += 2 + for child in element: + serializeElement(child, indent) + if hasattr(element, "tail") and element.tail: + rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail)) + serializeElement(element, 0) + + return "\n".join(rv) + + +def tostring(element): + """Serialize an element and its child nodes to a string""" + rv = [] + + def serializeElement(element): + if not hasattr(element, "tag"): + if element.docinfo.internalDTD: + if element.docinfo.doctype: + dtd_str = element.docinfo.doctype + else: + dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name + rv.append(dtd_str) + serializeElement(element.getroot()) + + elif element.tag == comment_type: + rv.append("<!--%s-->" % (element.text,)) + + else: + # This is assumed to be an ordinary element + if not element.attrib: + rv.append("<%s>" % (element.tag,)) + else: + attr = " ".join(["%s=\"%s\"" % (name, value) + for name, value in element.attrib.items()]) + rv.append("<%s %s>" % (element.tag, attr)) + if element.text: + rv.append(element.text) + + for child in element: + serializeElement(child) + + rv.append("</%s>" % (element.tag,)) + + if hasattr(element, "tail") and element.tail: + rv.append(element.tail) + + serializeElement(element) + + return "".join(rv) + + +class TreeBuilder(base.TreeBuilder): + documentClass = Document + doctypeClass = DocumentType + elementClass = None + commentClass = None + fragmentClass = Document + implementation = etree + + def __init__(self, namespaceHTMLElements, fullTree=False): + builder = etree_builders.getETreeModule(etree, fullTree=fullTree) + infosetFilter = self.infosetFilter = _ihatexml.InfosetFilter(preventDoubleDashComments=True) + self.namespaceHTMLElements = namespaceHTMLElements + + class Attributes(dict): + def __init__(self, element, value=None): + if value is None: + value = {} + self._element = element + dict.__init__(self, value) # pylint:disable=non-parent-init-called + for key, value in self.items(): + if isinstance(key, tuple): + name = "{%s}%s" % (key[2], infosetFilter.coerceAttribute(key[1])) + else: + name = infosetFilter.coerceAttribute(key) + self._element._element.attrib[name] = value + + def __setitem__(self, key, value): + dict.__setitem__(self, key, value) + if isinstance(key, tuple): + name = "{%s}%s" % (key[2], infosetFilter.coerceAttribute(key[1])) + else: + name = infosetFilter.coerceAttribute(key) + self._element._element.attrib[name] = value + + class Element(builder.Element): + def __init__(self, name, namespace): + name = infosetFilter.coerceElement(name) + builder.Element.__init__(self, name, namespace=namespace) + self._attributes = Attributes(self) + + def _setName(self, name): + self._name = infosetFilter.coerceElement(name) + self._element.tag = self._getETreeTag( + self._name, self._namespace) + + def _getName(self): + return infosetFilter.fromXmlName(self._name) + + name = property(_getName, _setName) + + def _getAttributes(self): + return self._attributes + + def _setAttributes(self, attributes): + self._attributes = Attributes(self, attributes) + + attributes = property(_getAttributes, _setAttributes) + + def insertText(self, data, insertBefore=None): + data = infosetFilter.coerceCharacters(data) + builder.Element.insertText(self, data, insertBefore) + + def appendChild(self, child): + builder.Element.appendChild(self, child) + + class Comment(builder.Comment): + def __init__(self, data): + data = infosetFilter.coerceComment(data) + builder.Comment.__init__(self, data) + + def _setData(self, data): + data = infosetFilter.coerceComment(data) + self._element.text = data + + def _getData(self): + return self._element.text + + data = property(_getData, _setData) + + self.elementClass = Element + self.commentClass = Comment + # self.fragmentClass = builder.DocumentFragment + base.TreeBuilder.__init__(self, namespaceHTMLElements) + + def reset(self): + base.TreeBuilder.reset(self) + self.insertComment = self.insertCommentInitial + self.initial_comments = [] + self.doctype = None + + def testSerializer(self, element): + return testSerializer(element) + + def getDocument(self): + if fullTree: + return self.document._elementTree + else: + return self.document._elementTree.getroot() + + def getFragment(self): + fragment = [] + element = self.openElements[0]._element + if element.text: + fragment.append(element.text) + fragment.extend(list(element)) + if element.tail: + fragment.append(element.tail) + return fragment + + def insertDoctype(self, token): + name = token["name"] + publicId = token["publicId"] + systemId = token["systemId"] + + if not name: + warnings.warn("lxml cannot represent empty doctype", DataLossWarning) + self.doctype = None + else: + coercedName = self.infosetFilter.coerceElement(name) + if coercedName != name: + warnings.warn("lxml cannot represent non-xml doctype", DataLossWarning) + + doctype = self.doctypeClass(coercedName, publicId, systemId) + self.doctype = doctype + + def insertCommentInitial(self, data, parent=None): + assert parent is None or parent is self.document + assert self.document._elementTree is None + self.initial_comments.append(data) + + def insertCommentMain(self, data, parent=None): + if (parent == self.document and + self.document._elementTree.getroot()[-1].tag == comment_type): + warnings.warn("lxml cannot represent adjacent comments beyond the root elements", DataLossWarning) + super(TreeBuilder, self).insertComment(data, parent) + + def insertRoot(self, token): + # Because of the way libxml2 works, it doesn't seem to be possible to + # alter information like the doctype after the tree has been parsed. + # Therefore we need to use the built-in parser to create our initial + # tree, after which we can add elements like normal + docStr = "" + if self.doctype: + assert self.doctype.name + docStr += "<!DOCTYPE %s" % self.doctype.name + if (self.doctype.publicId is not None or + self.doctype.systemId is not None): + docStr += (' PUBLIC "%s" ' % + (self.infosetFilter.coercePubid(self.doctype.publicId or ""))) + if self.doctype.systemId: + sysid = self.doctype.systemId + if sysid.find("'") >= 0 and sysid.find('"') >= 0: + warnings.warn("DOCTYPE system cannot contain single and double quotes", DataLossWarning) + sysid = sysid.replace("'", 'U00027') + if sysid.find("'") >= 0: + docStr += '"%s"' % sysid + else: + docStr += "'%s'" % sysid + else: + docStr += "''" + docStr += ">" + if self.doctype.name != token["name"]: + warnings.warn("lxml cannot represent doctype with a different name to the root element", DataLossWarning) + docStr += "<THIS_SHOULD_NEVER_APPEAR_PUBLICLY/>" + root = etree.fromstring(docStr) + + # Append the initial comments: + for comment_token in self.initial_comments: + comment = self.commentClass(comment_token["data"]) + root.addprevious(comment._element) + + # Create the root document and add the ElementTree to it + self.document = self.documentClass() + self.document._elementTree = root.getroottree() + + # Give the root element the right name + name = token["name"] + namespace = token.get("namespace", self.defaultNamespace) + if namespace is None: + etree_tag = name + else: + etree_tag = "{%s}%s" % (namespace, name) + root.tag = etree_tag + + # Add the root element to the internal child/open data structures + root_element = self.elementClass(name, namespace) + root_element._element = root + self.document._childNodes.append(root_element) + self.openElements.append(root_element) + + # Reset to the default insert comment function + self.insertComment = self.insertCommentMain diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/__init__.py new file mode 100644 index 0000000..9bec207 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/__init__.py @@ -0,0 +1,154 @@ +"""A collection of modules for iterating through different kinds of +tree, generating tokens identical to those produced by the tokenizer +module. + +To create a tree walker for a new type of tree, you need to do +implement a tree walker object (called TreeWalker by convention) that +implements a 'serialize' method taking a tree as sole argument and +returning an iterator generating tokens. +""" + +from __future__ import absolute_import, division, unicode_literals + +from .. import constants +from .._utils import default_etree + +__all__ = ["getTreeWalker", "pprint"] + +treeWalkerCache = {} + + +def getTreeWalker(treeType, implementation=None, **kwargs): + """Get a TreeWalker class for various types of tree with built-in support + + :arg str treeType: the name of the tree type required (case-insensitive). + Supported values are: + + * "dom": The xml.dom.minidom DOM implementation + * "etree": A generic walker for tree implementations exposing an + elementtree-like interface (known to work with ElementTree, + cElementTree and lxml.etree). + * "lxml": Optimized walker for lxml.etree + * "genshi": a Genshi stream + + :arg implementation: A module implementing the tree type e.g. + xml.etree.ElementTree or cElementTree (Currently applies to the "etree" + tree type only). + + :arg kwargs: keyword arguments passed to the etree walker--for other + walkers, this has no effect + + :returns: a TreeWalker class + + """ + + treeType = treeType.lower() + if treeType not in treeWalkerCache: + if treeType == "dom": + from . import dom + treeWalkerCache[treeType] = dom.TreeWalker + elif treeType == "genshi": + from . import genshi + treeWalkerCache[treeType] = genshi.TreeWalker + elif treeType == "lxml": + from . import etree_lxml + treeWalkerCache[treeType] = etree_lxml.TreeWalker + elif treeType == "etree": + from . import etree + if implementation is None: + implementation = default_etree + # XXX: NEVER cache here, caching is done in the etree submodule + return etree.getETreeModule(implementation, **kwargs).TreeWalker + return treeWalkerCache.get(treeType) + + +def concatenateCharacterTokens(tokens): + pendingCharacters = [] + for token in tokens: + type = token["type"] + if type in ("Characters", "SpaceCharacters"): + pendingCharacters.append(token["data"]) + else: + if pendingCharacters: + yield {"type": "Characters", "data": "".join(pendingCharacters)} + pendingCharacters = [] + yield token + if pendingCharacters: + yield {"type": "Characters", "data": "".join(pendingCharacters)} + + +def pprint(walker): + """Pretty printer for tree walkers + + Takes a TreeWalker instance and pretty prints the output of walking the tree. + + :arg walker: a TreeWalker instance + + """ + output = [] + indent = 0 + for token in concatenateCharacterTokens(walker): + type = token["type"] + if type in ("StartTag", "EmptyTag"): + # tag name + if token["namespace"] and token["namespace"] != constants.namespaces["html"]: + if token["namespace"] in constants.prefixes: + ns = constants.prefixes[token["namespace"]] + else: + ns = token["namespace"] + name = "%s %s" % (ns, token["name"]) + else: + name = token["name"] + output.append("%s<%s>" % (" " * indent, name)) + indent += 2 + # attributes (sorted for consistent ordering) + attrs = token["data"] + for (namespace, localname), value in sorted(attrs.items()): + if namespace: + if namespace in constants.prefixes: + ns = constants.prefixes[namespace] + else: + ns = namespace + name = "%s %s" % (ns, localname) + else: + name = localname + output.append("%s%s=\"%s\"" % (" " * indent, name, value)) + # self-closing + if type == "EmptyTag": + indent -= 2 + + elif type == "EndTag": + indent -= 2 + + elif type == "Comment": + output.append("%s<!-- %s -->" % (" " * indent, token["data"])) + + elif type == "Doctype": + if token["name"]: + if token["publicId"]: + output.append("""%s<!DOCTYPE %s "%s" "%s">""" % + (" " * indent, + token["name"], + token["publicId"], + token["systemId"] if token["systemId"] else "")) + elif token["systemId"]: + output.append("""%s<!DOCTYPE %s "" "%s">""" % + (" " * indent, + token["name"], + token["systemId"])) + else: + output.append("%s<!DOCTYPE %s>" % (" " * indent, + token["name"])) + else: + output.append("%s<!DOCTYPE >" % (" " * indent,)) + + elif type == "Characters": + output.append("%s\"%s\"" % (" " * indent, token["data"])) + + elif type == "SpaceCharacters": + assert False, "concatenateCharacterTokens should have got rid of all Space tokens" + + else: + raise ValueError("Unknown token type, %s" % type) + + return "\n".join(output) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/base.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/base.py new file mode 100644 index 0000000..80c474c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/base.py @@ -0,0 +1,252 @@ +from __future__ import absolute_import, division, unicode_literals + +from xml.dom import Node +from ..constants import namespaces, voidElements, spaceCharacters + +__all__ = ["DOCUMENT", "DOCTYPE", "TEXT", "ELEMENT", "COMMENT", "ENTITY", "UNKNOWN", + "TreeWalker", "NonRecursiveTreeWalker"] + +DOCUMENT = Node.DOCUMENT_NODE +DOCTYPE = Node.DOCUMENT_TYPE_NODE +TEXT = Node.TEXT_NODE +ELEMENT = Node.ELEMENT_NODE +COMMENT = Node.COMMENT_NODE +ENTITY = Node.ENTITY_NODE +UNKNOWN = "<#UNKNOWN#>" + +spaceCharacters = "".join(spaceCharacters) + + +class TreeWalker(object): + """Walks a tree yielding tokens + + Tokens are dicts that all have a ``type`` field specifying the type of the + token. + + """ + def __init__(self, tree): + """Creates a TreeWalker + + :arg tree: the tree to walk + + """ + self.tree = tree + + def __iter__(self): + raise NotImplementedError + + def error(self, msg): + """Generates an error token with the given message + + :arg msg: the error message + + :returns: SerializeError token + + """ + return {"type": "SerializeError", "data": msg} + + def emptyTag(self, namespace, name, attrs, hasChildren=False): + """Generates an EmptyTag token + + :arg namespace: the namespace of the token--can be ``None`` + + :arg name: the name of the element + + :arg attrs: the attributes of the element as a dict + + :arg hasChildren: whether or not to yield a SerializationError because + this tag shouldn't have children + + :returns: EmptyTag token + + """ + yield {"type": "EmptyTag", "name": name, + "namespace": namespace, + "data": attrs} + if hasChildren: + yield self.error("Void element has children") + + def startTag(self, namespace, name, attrs): + """Generates a StartTag token + + :arg namespace: the namespace of the token--can be ``None`` + + :arg name: the name of the element + + :arg attrs: the attributes of the element as a dict + + :returns: StartTag token + + """ + return {"type": "StartTag", + "name": name, + "namespace": namespace, + "data": attrs} + + def endTag(self, namespace, name): + """Generates an EndTag token + + :arg namespace: the namespace of the token--can be ``None`` + + :arg name: the name of the element + + :returns: EndTag token + + """ + return {"type": "EndTag", + "name": name, + "namespace": namespace} + + def text(self, data): + """Generates SpaceCharacters and Characters tokens + + Depending on what's in the data, this generates one or more + ``SpaceCharacters`` and ``Characters`` tokens. + + For example: + + >>> from html5lib.treewalkers.base import TreeWalker + >>> # Give it an empty tree just so it instantiates + >>> walker = TreeWalker([]) + >>> list(walker.text('')) + [] + >>> list(walker.text(' ')) + [{u'data': ' ', u'type': u'SpaceCharacters'}] + >>> list(walker.text(' abc ')) # doctest: +NORMALIZE_WHITESPACE + [{u'data': ' ', u'type': u'SpaceCharacters'}, + {u'data': u'abc', u'type': u'Characters'}, + {u'data': u' ', u'type': u'SpaceCharacters'}] + + :arg data: the text data + + :returns: one or more ``SpaceCharacters`` and ``Characters`` tokens + + """ + data = data + middle = data.lstrip(spaceCharacters) + left = data[:len(data) - len(middle)] + if left: + yield {"type": "SpaceCharacters", "data": left} + data = middle + middle = data.rstrip(spaceCharacters) + right = data[len(middle):] + if middle: + yield {"type": "Characters", "data": middle} + if right: + yield {"type": "SpaceCharacters", "data": right} + + def comment(self, data): + """Generates a Comment token + + :arg data: the comment + + :returns: Comment token + + """ + return {"type": "Comment", "data": data} + + def doctype(self, name, publicId=None, systemId=None): + """Generates a Doctype token + + :arg name: + + :arg publicId: + + :arg systemId: + + :returns: the Doctype token + + """ + return {"type": "Doctype", + "name": name, + "publicId": publicId, + "systemId": systemId} + + def entity(self, name): + """Generates an Entity token + + :arg name: the entity name + + :returns: an Entity token + + """ + return {"type": "Entity", "name": name} + + def unknown(self, nodeType): + """Handles unknown node types""" + return self.error("Unknown node type: " + nodeType) + + +class NonRecursiveTreeWalker(TreeWalker): + def getNodeDetails(self, node): + raise NotImplementedError + + def getFirstChild(self, node): + raise NotImplementedError + + def getNextSibling(self, node): + raise NotImplementedError + + def getParentNode(self, node): + raise NotImplementedError + + def __iter__(self): + currentNode = self.tree + while currentNode is not None: + details = self.getNodeDetails(currentNode) + type, details = details[0], details[1:] + hasChildren = False + + if type == DOCTYPE: + yield self.doctype(*details) + + elif type == TEXT: + for token in self.text(*details): + yield token + + elif type == ELEMENT: + namespace, name, attributes, hasChildren = details + if (not namespace or namespace == namespaces["html"]) and name in voidElements: + for token in self.emptyTag(namespace, name, attributes, + hasChildren): + yield token + hasChildren = False + else: + yield self.startTag(namespace, name, attributes) + + elif type == COMMENT: + yield self.comment(details[0]) + + elif type == ENTITY: + yield self.entity(details[0]) + + elif type == DOCUMENT: + hasChildren = True + + else: + yield self.unknown(details[0]) + + if hasChildren: + firstChild = self.getFirstChild(currentNode) + else: + firstChild = None + + if firstChild is not None: + currentNode = firstChild + else: + while currentNode is not None: + details = self.getNodeDetails(currentNode) + type, details = details[0], details[1:] + if type == ELEMENT: + namespace, name, attributes, hasChildren = details + if (namespace and namespace != namespaces["html"]) or name not in voidElements: + yield self.endTag(namespace, name) + if self.tree is currentNode: + currentNode = None + break + nextSibling = self.getNextSibling(currentNode) + if nextSibling is not None: + currentNode = nextSibling + break + else: + currentNode = self.getParentNode(currentNode) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/dom.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/dom.py new file mode 100644 index 0000000..b0c89b0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/dom.py @@ -0,0 +1,43 @@ +from __future__ import absolute_import, division, unicode_literals + +from xml.dom import Node + +from . import base + + +class TreeWalker(base.NonRecursiveTreeWalker): + def getNodeDetails(self, node): + if node.nodeType == Node.DOCUMENT_TYPE_NODE: + return base.DOCTYPE, node.name, node.publicId, node.systemId + + elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE): + return base.TEXT, node.nodeValue + + elif node.nodeType == Node.ELEMENT_NODE: + attrs = {} + for attr in list(node.attributes.keys()): + attr = node.getAttributeNode(attr) + if attr.namespaceURI: + attrs[(attr.namespaceURI, attr.localName)] = attr.value + else: + attrs[(None, attr.name)] = attr.value + return (base.ELEMENT, node.namespaceURI, node.nodeName, + attrs, node.hasChildNodes()) + + elif node.nodeType == Node.COMMENT_NODE: + return base.COMMENT, node.nodeValue + + elif node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE): + return (base.DOCUMENT,) + + else: + return base.UNKNOWN, node.nodeType + + def getFirstChild(self, node): + return node.firstChild + + def getNextSibling(self, node): + return node.nextSibling + + def getParentNode(self, node): + return node.parentNode diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree.py new file mode 100644 index 0000000..95fc0c1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree.py @@ -0,0 +1,130 @@ +from __future__ import absolute_import, division, unicode_literals + +from collections import OrderedDict +import re + +from pip._vendor.six import string_types + +from . import base +from .._utils import moduleFactoryFactory + +tag_regexp = re.compile("{([^}]*)}(.*)") + + +def getETreeBuilder(ElementTreeImplementation): + ElementTree = ElementTreeImplementation + ElementTreeCommentType = ElementTree.Comment("asd").tag + + class TreeWalker(base.NonRecursiveTreeWalker): # pylint:disable=unused-variable + """Given the particular ElementTree representation, this implementation, + to avoid using recursion, returns "nodes" as tuples with the following + content: + + 1. The current element + + 2. The index of the element relative to its parent + + 3. A stack of ancestor elements + + 4. A flag "text", "tail" or None to indicate if the current node is a + text node; either the text or tail of the current element (1) + """ + def getNodeDetails(self, node): + if isinstance(node, tuple): # It might be the root Element + elt, _, _, flag = node + if flag in ("text", "tail"): + return base.TEXT, getattr(elt, flag) + else: + node = elt + + if not(hasattr(node, "tag")): + node = node.getroot() + + if node.tag in ("DOCUMENT_ROOT", "DOCUMENT_FRAGMENT"): + return (base.DOCUMENT,) + + elif node.tag == "<!DOCTYPE>": + return (base.DOCTYPE, node.text, + node.get("publicId"), node.get("systemId")) + + elif node.tag == ElementTreeCommentType: + return base.COMMENT, node.text + + else: + assert isinstance(node.tag, string_types), type(node.tag) + # This is assumed to be an ordinary element + match = tag_regexp.match(node.tag) + if match: + namespace, tag = match.groups() + else: + namespace = None + tag = node.tag + attrs = OrderedDict() + for name, value in list(node.attrib.items()): + match = tag_regexp.match(name) + if match: + attrs[(match.group(1), match.group(2))] = value + else: + attrs[(None, name)] = value + return (base.ELEMENT, namespace, tag, + attrs, len(node) or node.text) + + def getFirstChild(self, node): + if isinstance(node, tuple): + element, key, parents, flag = node + else: + element, key, parents, flag = node, None, [], None + + if flag in ("text", "tail"): + return None + else: + if element.text: + return element, key, parents, "text" + elif len(element): + parents.append(element) + return element[0], 0, parents, None + else: + return None + + def getNextSibling(self, node): + if isinstance(node, tuple): + element, key, parents, flag = node + else: + return None + + if flag == "text": + if len(element): + parents.append(element) + return element[0], 0, parents, None + else: + return None + else: + if element.tail and flag != "tail": + return element, key, parents, "tail" + elif key < len(parents[-1]) - 1: + return parents[-1][key + 1], key + 1, parents, None + else: + return None + + def getParentNode(self, node): + if isinstance(node, tuple): + element, key, parents, flag = node + else: + return None + + if flag == "text": + if not parents: + return element + else: + return element, key, parents, None + else: + parent = parents.pop() + if not parents: + return parent + else: + assert list(parents[-1]).count(parent) == 1 + return parent, list(parents[-1]).index(parent), parents, None + + return locals() + +getETreeModule = moduleFactoryFactory(getETreeBuilder) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree_lxml.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree_lxml.py new file mode 100644 index 0000000..e81ddf3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/etree_lxml.py @@ -0,0 +1,213 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import text_type + +from lxml import etree +from ..treebuilders.etree import tag_regexp + +from . import base + +from .. import _ihatexml + + +def ensure_str(s): + if s is None: + return None + elif isinstance(s, text_type): + return s + else: + return s.decode("ascii", "strict") + + +class Root(object): + def __init__(self, et): + self.elementtree = et + self.children = [] + + try: + if et.docinfo.internalDTD: + self.children.append(Doctype(self, + ensure_str(et.docinfo.root_name), + ensure_str(et.docinfo.public_id), + ensure_str(et.docinfo.system_url))) + except AttributeError: + pass + + try: + node = et.getroot() + except AttributeError: + node = et + + while node.getprevious() is not None: + node = node.getprevious() + while node is not None: + self.children.append(node) + node = node.getnext() + + self.text = None + self.tail = None + + def __getitem__(self, key): + return self.children[key] + + def getnext(self): + return None + + def __len__(self): + return 1 + + +class Doctype(object): + def __init__(self, root_node, name, public_id, system_id): + self.root_node = root_node + self.name = name + self.public_id = public_id + self.system_id = system_id + + self.text = None + self.tail = None + + def getnext(self): + return self.root_node.children[1] + + +class FragmentRoot(Root): + def __init__(self, children): + self.children = [FragmentWrapper(self, child) for child in children] + self.text = self.tail = None + + def getnext(self): + return None + + +class FragmentWrapper(object): + def __init__(self, fragment_root, obj): + self.root_node = fragment_root + self.obj = obj + if hasattr(self.obj, 'text'): + self.text = ensure_str(self.obj.text) + else: + self.text = None + if hasattr(self.obj, 'tail'): + self.tail = ensure_str(self.obj.tail) + else: + self.tail = None + + def __getattr__(self, name): + return getattr(self.obj, name) + + def getnext(self): + siblings = self.root_node.children + idx = siblings.index(self) + if idx < len(siblings) - 1: + return siblings[idx + 1] + else: + return None + + def __getitem__(self, key): + return self.obj[key] + + def __bool__(self): + return bool(self.obj) + + def getparent(self): + return None + + def __str__(self): + return str(self.obj) + + def __unicode__(self): + return str(self.obj) + + def __len__(self): + return len(self.obj) + + +class TreeWalker(base.NonRecursiveTreeWalker): + def __init__(self, tree): + # pylint:disable=redefined-variable-type + if isinstance(tree, list): + self.fragmentChildren = set(tree) + tree = FragmentRoot(tree) + else: + self.fragmentChildren = set() + tree = Root(tree) + base.NonRecursiveTreeWalker.__init__(self, tree) + self.filter = _ihatexml.InfosetFilter() + + def getNodeDetails(self, node): + if isinstance(node, tuple): # Text node + node, key = node + assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key + return base.TEXT, ensure_str(getattr(node, key)) + + elif isinstance(node, Root): + return (base.DOCUMENT,) + + elif isinstance(node, Doctype): + return base.DOCTYPE, node.name, node.public_id, node.system_id + + elif isinstance(node, FragmentWrapper) and not hasattr(node, "tag"): + return base.TEXT, ensure_str(node.obj) + + elif node.tag == etree.Comment: + return base.COMMENT, ensure_str(node.text) + + elif node.tag == etree.Entity: + return base.ENTITY, ensure_str(node.text)[1:-1] # strip &; + + else: + # This is assumed to be an ordinary element + match = tag_regexp.match(ensure_str(node.tag)) + if match: + namespace, tag = match.groups() + else: + namespace = None + tag = ensure_str(node.tag) + attrs = {} + for name, value in list(node.attrib.items()): + name = ensure_str(name) + value = ensure_str(value) + match = tag_regexp.match(name) + if match: + attrs[(match.group(1), match.group(2))] = value + else: + attrs[(None, name)] = value + return (base.ELEMENT, namespace, self.filter.fromXmlName(tag), + attrs, len(node) > 0 or node.text) + + def getFirstChild(self, node): + assert not isinstance(node, tuple), "Text nodes have no children" + + assert len(node) or node.text, "Node has no children" + if node.text: + return (node, "text") + else: + return node[0] + + def getNextSibling(self, node): + if isinstance(node, tuple): # Text node + node, key = node + assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key + if key == "text": + # XXX: we cannot use a "bool(node) and node[0] or None" construct here + # because node[0] might evaluate to False if it has no child element + if len(node): + return node[0] + else: + return None + else: # tail + return node.getnext() + + return (node, "tail") if node.tail else node.getnext() + + def getParentNode(self, node): + if isinstance(node, tuple): # Text node + node, key = node + assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key + if key == "text": + return node + # else: fallback to "normal" processing + elif node in self.fragmentChildren: + return None + + return node.getparent() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/genshi.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/genshi.py new file mode 100644 index 0000000..7483be2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/html5lib/treewalkers/genshi.py @@ -0,0 +1,69 @@ +from __future__ import absolute_import, division, unicode_literals + +from genshi.core import QName +from genshi.core import START, END, XML_NAMESPACE, DOCTYPE, TEXT +from genshi.core import START_NS, END_NS, START_CDATA, END_CDATA, PI, COMMENT + +from . import base + +from ..constants import voidElements, namespaces + + +class TreeWalker(base.TreeWalker): + def __iter__(self): + # Buffer the events so we can pass in the following one + previous = None + for event in self.tree: + if previous is not None: + for token in self.tokens(previous, event): + yield token + previous = event + + # Don't forget the final event! + if previous is not None: + for token in self.tokens(previous, None): + yield token + + def tokens(self, event, next): + kind, data, _ = event + if kind == START: + tag, attribs = data + name = tag.localname + namespace = tag.namespace + converted_attribs = {} + for k, v in attribs: + if isinstance(k, QName): + converted_attribs[(k.namespace, k.localname)] = v + else: + converted_attribs[(None, k)] = v + + if namespace == namespaces["html"] and name in voidElements: + for token in self.emptyTag(namespace, name, converted_attribs, + not next or next[0] != END or + next[1] != tag): + yield token + else: + yield self.startTag(namespace, name, converted_attribs) + + elif kind == END: + name = data.localname + namespace = data.namespace + if namespace != namespaces["html"] or name not in voidElements: + yield self.endTag(namespace, name) + + elif kind == COMMENT: + yield self.comment(data) + + elif kind == TEXT: + for token in self.text(data): + yield token + + elif kind == DOCTYPE: + yield self.doctype(*data) + + elif kind in (XML_NAMESPACE, DOCTYPE, START_NS, END_NS, + START_CDATA, END_CDATA, PI): + pass + + else: + yield self.unknown(kind) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/__init__.py new file mode 100644 index 0000000..847bf93 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/__init__.py @@ -0,0 +1,2 @@ +from .package_data import __version__ +from .core import * diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/codec.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/codec.py new file mode 100644 index 0000000..98c65ea --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/codec.py @@ -0,0 +1,118 @@ +from .core import encode, decode, alabel, ulabel, IDNAError +import codecs +import re + +_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]') + +class Codec(codecs.Codec): + + def encode(self, data, errors='strict'): + + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return "", 0 + + return encode(data), len(data) + + def decode(self, data, errors='strict'): + + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return u"", 0 + + return decode(data), len(data) + +class IncrementalEncoder(codecs.BufferedIncrementalEncoder): + def _buffer_encode(self, data, errors, final): + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return ("", 0) + + labels = _unicode_dots_re.split(data) + trailing_dot = u'' + if labels: + if not labels[-1]: + trailing_dot = '.' + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = '.' + + result = [] + size = 0 + for label in labels: + result.append(alabel(label)) + if size: + size += 1 + size += len(label) + + # Join with U+002E + result = ".".join(result) + trailing_dot + size += len(trailing_dot) + return (result, size) + +class IncrementalDecoder(codecs.BufferedIncrementalDecoder): + def _buffer_decode(self, data, errors, final): + if errors != 'strict': + raise IDNAError("Unsupported error handling \"{0}\"".format(errors)) + + if not data: + return (u"", 0) + + # IDNA allows decoding to operate on Unicode strings, too. + if isinstance(data, unicode): + labels = _unicode_dots_re.split(data) + else: + # Must be ASCII string + data = str(data) + unicode(data, "ascii") + labels = data.split(".") + + trailing_dot = u'' + if labels: + if not labels[-1]: + trailing_dot = u'.' + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = u'.' + + result = [] + size = 0 + for label in labels: + result.append(ulabel(label)) + if size: + size += 1 + size += len(label) + + result = u".".join(result) + trailing_dot + size += len(trailing_dot) + return (result, size) + + +class StreamWriter(Codec, codecs.StreamWriter): + pass + +class StreamReader(Codec, codecs.StreamReader): + pass + +def getregentry(): + return codecs.CodecInfo( + name='idna', + encode=Codec().encode, + decode=Codec().decode, + incrementalencoder=IncrementalEncoder, + incrementaldecoder=IncrementalDecoder, + streamwriter=StreamWriter, + streamreader=StreamReader, + ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/compat.py new file mode 100644 index 0000000..4d47f33 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/compat.py @@ -0,0 +1,12 @@ +from .core import * +from .codec import * + +def ToASCII(label): + return encode(label) + +def ToUnicode(label): + return decode(label) + +def nameprep(s): + raise NotImplementedError("IDNA 2008 does not utilise nameprep protocol") + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/core.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/core.py new file mode 100644 index 0000000..104624a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/core.py @@ -0,0 +1,396 @@ +from . import idnadata +import bisect +import unicodedata +import re +import sys +from .intranges import intranges_contain + +_virama_combining_class = 9 +_alabel_prefix = b'xn--' +_unicode_dots_re = re.compile(u'[\u002e\u3002\uff0e\uff61]') + +if sys.version_info[0] == 3: + unicode = str + unichr = chr + +class IDNAError(UnicodeError): + """ Base exception for all IDNA-encoding related problems """ + pass + + +class IDNABidiError(IDNAError): + """ Exception when bidirectional requirements are not satisfied """ + pass + + +class InvalidCodepoint(IDNAError): + """ Exception when a disallowed or unallocated codepoint is used """ + pass + + +class InvalidCodepointContext(IDNAError): + """ Exception when the codepoint is not valid in the context it is used """ + pass + + +def _combining_class(cp): + v = unicodedata.combining(unichr(cp)) + if v == 0: + if not unicodedata.name(unichr(cp)): + raise ValueError("Unknown character in unicodedata") + return v + +def _is_script(cp, script): + return intranges_contain(ord(cp), idnadata.scripts[script]) + +def _punycode(s): + return s.encode('punycode') + +def _unot(s): + return 'U+{0:04X}'.format(s) + + +def valid_label_length(label): + + if len(label) > 63: + return False + return True + + +def valid_string_length(label, trailing_dot): + + if len(label) > (254 if trailing_dot else 253): + return False + return True + + +def check_bidi(label, check_ltr=False): + + # Bidi rules should only be applied if string contains RTL characters + bidi_label = False + for (idx, cp) in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + if direction == '': + # String likely comes from a newer version of Unicode + raise IDNABidiError('Unknown directionality in label {0} at position {1}'.format(repr(label), idx)) + if direction in ['R', 'AL', 'AN']: + bidi_label = True + if not bidi_label and not check_ltr: + return True + + # Bidi rule 1 + direction = unicodedata.bidirectional(label[0]) + if direction in ['R', 'AL']: + rtl = True + elif direction == 'L': + rtl = False + else: + raise IDNABidiError('First codepoint in label {0} must be directionality L, R or AL'.format(repr(label))) + + valid_ending = False + number_type = False + for (idx, cp) in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + + if rtl: + # Bidi rule 2 + if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: + raise IDNABidiError('Invalid direction for codepoint at position {0} in a right-to-left label'.format(idx)) + # Bidi rule 3 + if direction in ['R', 'AL', 'EN', 'AN']: + valid_ending = True + elif direction != 'NSM': + valid_ending = False + # Bidi rule 4 + if direction in ['AN', 'EN']: + if not number_type: + number_type = direction + else: + if number_type != direction: + raise IDNABidiError('Can not mix numeral types in a right-to-left label') + else: + # Bidi rule 5 + if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: + raise IDNABidiError('Invalid direction for codepoint at position {0} in a left-to-right label'.format(idx)) + # Bidi rule 6 + if direction in ['L', 'EN']: + valid_ending = True + elif direction != 'NSM': + valid_ending = False + + if not valid_ending: + raise IDNABidiError('Label ends with illegal codepoint directionality') + + return True + + +def check_initial_combiner(label): + + if unicodedata.category(label[0])[0] == 'M': + raise IDNAError('Label begins with an illegal combining character') + return True + + +def check_hyphen_ok(label): + + if label[2:4] == '--': + raise IDNAError('Label has disallowed hyphens in 3rd and 4th position') + if label[0] == '-' or label[-1] == '-': + raise IDNAError('Label must not start or end with a hyphen') + return True + + +def check_nfc(label): + + if unicodedata.normalize('NFC', label) != label: + raise IDNAError('Label must be in Normalization Form C') + + +def valid_contextj(label, pos): + + cp_value = ord(label[pos]) + + if cp_value == 0x200c: + + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + + ok = False + for i in range(pos-1, -1, -1): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord('T'): + continue + if joining_type in [ord('L'), ord('D')]: + ok = True + break + + if not ok: + return False + + ok = False + for i in range(pos+1, len(label)): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord('T'): + continue + if joining_type in [ord('R'), ord('D')]: + ok = True + break + return ok + + if cp_value == 0x200d: + + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + return False + + else: + + return False + + +def valid_contexto(label, pos, exception=False): + + cp_value = ord(label[pos]) + + if cp_value == 0x00b7: + if 0 < pos < len(label)-1: + if ord(label[pos - 1]) == 0x006c and ord(label[pos + 1]) == 0x006c: + return True + return False + + elif cp_value == 0x0375: + if pos < len(label)-1 and len(label) > 1: + return _is_script(label[pos + 1], 'Greek') + return False + + elif cp_value == 0x05f3 or cp_value == 0x05f4: + if pos > 0: + return _is_script(label[pos - 1], 'Hebrew') + return False + + elif cp_value == 0x30fb: + for cp in label: + if cp == u'\u30fb': + continue + if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'): + return True + return False + + elif 0x660 <= cp_value <= 0x669: + for cp in label: + if 0x6f0 <= ord(cp) <= 0x06f9: + return False + return True + + elif 0x6f0 <= cp_value <= 0x6f9: + for cp in label: + if 0x660 <= ord(cp) <= 0x0669: + return False + return True + + +def check_label(label): + + if isinstance(label, (bytes, bytearray)): + label = label.decode('utf-8') + if len(label) == 0: + raise IDNAError('Empty Label') + + check_nfc(label) + check_hyphen_ok(label) + check_initial_combiner(label) + + for (pos, cp) in enumerate(label): + cp_value = ord(cp) + if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']): + continue + elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']): + try: + if not valid_contextj(label, pos): + raise InvalidCodepointContext('Joiner {0} not allowed at position {1} in {2}'.format( + _unot(cp_value), pos+1, repr(label))) + except ValueError: + raise IDNAError('Unknown codepoint adjacent to joiner {0} at position {1} in {2}'.format( + _unot(cp_value), pos+1, repr(label))) + elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']): + if not valid_contexto(label, pos): + raise InvalidCodepointContext('Codepoint {0} not allowed at position {1} in {2}'.format(_unot(cp_value), pos+1, repr(label))) + else: + raise InvalidCodepoint('Codepoint {0} at position {1} of {2} not allowed'.format(_unot(cp_value), pos+1, repr(label))) + + check_bidi(label) + + +def alabel(label): + + try: + label = label.encode('ascii') + ulabel(label) + if not valid_label_length(label): + raise IDNAError('Label too long') + return label + except UnicodeEncodeError: + pass + + if not label: + raise IDNAError('No Input') + + label = unicode(label) + check_label(label) + label = _punycode(label) + label = _alabel_prefix + label + + if not valid_label_length(label): + raise IDNAError('Label too long') + + return label + + +def ulabel(label): + + if not isinstance(label, (bytes, bytearray)): + try: + label = label.encode('ascii') + except UnicodeEncodeError: + check_label(label) + return label + + label = label.lower() + if label.startswith(_alabel_prefix): + label = label[len(_alabel_prefix):] + else: + check_label(label) + return label.decode('ascii') + + label = label.decode('punycode') + check_label(label) + return label + + +def uts46_remap(domain, std3_rules=True, transitional=False): + """Re-map the characters in the string according to UTS46 processing.""" + from .uts46data import uts46data + output = u"" + try: + for pos, char in enumerate(domain): + code_point = ord(char) + uts46row = uts46data[code_point if code_point < 256 else + bisect.bisect_left(uts46data, (code_point, "Z")) - 1] + status = uts46row[1] + replacement = uts46row[2] if len(uts46row) == 3 else None + if (status == "V" or + (status == "D" and not transitional) or + (status == "3" and not std3_rules and replacement is None)): + output += char + elif replacement is not None and (status == "M" or + (status == "3" and not std3_rules) or + (status == "D" and transitional)): + output += replacement + elif status != "I": + raise IndexError() + return unicodedata.normalize("NFC", output) + except IndexError: + raise InvalidCodepoint( + "Codepoint {0} not allowed at position {1} in {2}".format( + _unot(code_point), pos + 1, repr(domain))) + + +def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False): + + if isinstance(s, (bytes, bytearray)): + s = s.decode("ascii") + if uts46: + s = uts46_remap(s, std3_rules, transitional) + trailing_dot = False + result = [] + if strict: + labels = s.split('.') + else: + labels = _unicode_dots_re.split(s) + if not labels or labels == ['']: + raise IDNAError('Empty domain') + if labels[-1] == '': + del labels[-1] + trailing_dot = True + for label in labels: + s = alabel(label) + if s: + result.append(s) + else: + raise IDNAError('Empty label') + if trailing_dot: + result.append(b'') + s = b'.'.join(result) + if not valid_string_length(s, trailing_dot): + raise IDNAError('Domain too long') + return s + + +def decode(s, strict=False, uts46=False, std3_rules=False): + + if isinstance(s, (bytes, bytearray)): + s = s.decode("ascii") + if uts46: + s = uts46_remap(s, std3_rules, False) + trailing_dot = False + result = [] + if not strict: + labels = _unicode_dots_re.split(s) + else: + labels = s.split(u'.') + if not labels or labels == ['']: + raise IDNAError('Empty domain') + if not labels[-1]: + del labels[-1] + trailing_dot = True + for label in labels: + s = ulabel(label) + if s: + result.append(s) + else: + raise IDNAError('Empty label') + if trailing_dot: + result.append(u'') + return u'.'.join(result) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/idnadata.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/idnadata.py new file mode 100644 index 0000000..a80c959 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/idnadata.py @@ -0,0 +1,1979 @@ +# This file is automatically generated by tools/idna-data + +__version__ = "11.0.0" +scripts = { + 'Greek': ( + 0x37000000374, + 0x37500000378, + 0x37a0000037e, + 0x37f00000380, + 0x38400000385, + 0x38600000387, + 0x3880000038b, + 0x38c0000038d, + 0x38e000003a2, + 0x3a3000003e2, + 0x3f000000400, + 0x1d2600001d2b, + 0x1d5d00001d62, + 0x1d6600001d6b, + 0x1dbf00001dc0, + 0x1f0000001f16, + 0x1f1800001f1e, + 0x1f2000001f46, + 0x1f4800001f4e, + 0x1f5000001f58, + 0x1f5900001f5a, + 0x1f5b00001f5c, + 0x1f5d00001f5e, + 0x1f5f00001f7e, + 0x1f8000001fb5, + 0x1fb600001fc5, + 0x1fc600001fd4, + 0x1fd600001fdc, + 0x1fdd00001ff0, + 0x1ff200001ff5, + 0x1ff600001fff, + 0x212600002127, + 0xab650000ab66, + 0x101400001018f, + 0x101a0000101a1, + 0x1d2000001d246, + ), + 'Han': ( + 0x2e8000002e9a, + 0x2e9b00002ef4, + 0x2f0000002fd6, + 0x300500003006, + 0x300700003008, + 0x30210000302a, + 0x30380000303c, + 0x340000004db6, + 0x4e0000009ff0, + 0xf9000000fa6e, + 0xfa700000fada, + 0x200000002a6d7, + 0x2a7000002b735, + 0x2b7400002b81e, + 0x2b8200002cea2, + 0x2ceb00002ebe1, + 0x2f8000002fa1e, + ), + 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in `ranges`.""" + tuple_ = _encode_range(int_, 0) + pos = bisect.bisect_left(ranges, tuple_) + # we could be immediately ahead of a tuple (start, end) + # with start < int_ <= end + if pos > 0: + left, right = _decode_range(ranges[pos-1]) + if left <= int_ < right: + return True + # or we could be immediately behind a tuple (int_, end) + if pos < len(ranges): + left, _ = _decode_range(ranges[pos]) + if left == int_: + return True + return False diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/package_data.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/package_data.py new file mode 100644 index 0000000..257e898 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/package_data.py @@ -0,0 +1,2 @@ +__version__ = '2.8' + diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/idna/uts46data.py 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_seg_67() + + _seg_68() + + _seg_69() + + _seg_70() + + _seg_71() + + _seg_72() + + _seg_73() + + _seg_74() + + _seg_75() + + _seg_76() + + _seg_77() + + _seg_78() +) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/ipaddress.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/ipaddress.py new file mode 100644 index 0000000..f2d0766 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/ipaddress.py @@ -0,0 +1,2419 @@ +# Copyright 2007 Google Inc. +# Licensed to PSF under a Contributor Agreement. + +"""A fast, lightweight IPv4/IPv6 manipulation library in Python. + +This library is used to create/poke/manipulate IPv4 and IPv6 addresses +and networks. + +""" + +from __future__ import unicode_literals + + +import itertools +import struct + +__version__ = '1.0.22' + +# Compatibility functions +_compat_int_types = (int,) +try: + _compat_int_types = (int, long) +except NameError: + pass +try: + _compat_str = unicode +except NameError: + _compat_str = str + assert bytes != str +if b'\0'[0] == 0: # Python 3 semantics + def _compat_bytes_to_byte_vals(byt): + return byt +else: + def _compat_bytes_to_byte_vals(byt): + return [struct.unpack(b'!B', b)[0] for b in byt] +try: + _compat_int_from_byte_vals = int.from_bytes +except AttributeError: + def _compat_int_from_byte_vals(bytvals, endianess): + assert endianess == 'big' + res = 0 + for bv in bytvals: + assert isinstance(bv, _compat_int_types) + res = (res << 8) + bv + return res + + +def _compat_to_bytes(intval, length, endianess): + assert isinstance(intval, _compat_int_types) + assert endianess == 'big' + if length == 4: + if intval < 0 or intval >= 2 ** 32: + raise struct.error("integer out of range for 'I' format code") + return struct.pack(b'!I', intval) + elif length == 16: + if intval < 0 or intval >= 2 ** 128: + raise struct.error("integer out of range for 'QQ' format code") + return struct.pack(b'!QQ', intval >> 64, intval & 0xffffffffffffffff) + else: + raise NotImplementedError() + + +if hasattr(int, 'bit_length'): + # Not int.bit_length , since that won't work in 2.7 where long exists + def _compat_bit_length(i): + return i.bit_length() +else: + def _compat_bit_length(i): + for res in itertools.count(): + if i >> res == 0: + return res + + +def _compat_range(start, end, step=1): + assert step > 0 + i = start + while i < end: + yield i + i += step + + +class _TotalOrderingMixin(object): + __slots__ = () + + # Helper that derives the other comparison operations from + # __lt__ and __eq__ + # We avoid functools.total_ordering because it doesn't handle + # NotImplemented correctly yet (http://bugs.python.org/issue10042) + def __eq__(self, other): + raise NotImplementedError + + def __ne__(self, other): + equal = self.__eq__(other) + if equal is NotImplemented: + return NotImplemented + return not equal + + def __lt__(self, other): + raise NotImplementedError + + def __le__(self, other): + less = self.__lt__(other) + if less is NotImplemented or not less: + return self.__eq__(other) + return less + + def __gt__(self, other): + less = self.__lt__(other) + if less is NotImplemented: + return NotImplemented + equal = self.__eq__(other) + if equal is NotImplemented: + return NotImplemented + return not (less or equal) + + def __ge__(self, other): + less = self.__lt__(other) + if less is NotImplemented: + return NotImplemented + return not less + + +IPV4LENGTH = 32 +IPV6LENGTH = 128 + + +class AddressValueError(ValueError): + """A Value Error related to the address.""" + + +class NetmaskValueError(ValueError): + """A Value Error related to the netmask.""" + + +def ip_address(address): + """Take an IP string/int and return an object of the correct type. + + Args: + address: A string or integer, the IP address. Either IPv4 or + IPv6 addresses may be supplied; integers less than 2**32 will + be considered to be IPv4 by default. + + Returns: + An IPv4Address or IPv6Address object. + + Raises: + ValueError: if the *address* passed isn't either a v4 or a v6 + address + + """ + try: + return IPv4Address(address) + except (AddressValueError, NetmaskValueError): + pass + + try: + return IPv6Address(address) + except (AddressValueError, NetmaskValueError): + pass + + if isinstance(address, bytes): + raise AddressValueError( + '%r does not appear to be an IPv4 or IPv6 address. ' + 'Did you pass in a bytes (str in Python 2) instead of' + ' a unicode object?' % address) + + raise ValueError('%r does not appear to be an IPv4 or IPv6 address' % + address) + + +def ip_network(address, strict=True): + """Take an IP string/int and return an object of the correct type. + + Args: + address: A string or integer, the IP network. Either IPv4 or + IPv6 networks may be supplied; integers less than 2**32 will + be considered to be IPv4 by default. + + Returns: + An IPv4Network or IPv6Network object. + + Raises: + ValueError: if the string passed isn't either a v4 or a v6 + address. Or if the network has host bits set. + + """ + try: + return IPv4Network(address, strict) + except (AddressValueError, NetmaskValueError): + pass + + try: + return IPv6Network(address, strict) + except (AddressValueError, NetmaskValueError): + pass + + if isinstance(address, bytes): + raise AddressValueError( + '%r does not appear to be an IPv4 or IPv6 network. ' + 'Did you pass in a bytes (str in Python 2) instead of' + ' a unicode object?' % address) + + raise ValueError('%r does not appear to be an IPv4 or IPv6 network' % + address) + + +def ip_interface(address): + """Take an IP string/int and return an object of the correct type. + + Args: + address: A string or integer, the IP address. Either IPv4 or + IPv6 addresses may be supplied; integers less than 2**32 will + be considered to be IPv4 by default. + + Returns: + An IPv4Interface or IPv6Interface object. + + Raises: + ValueError: if the string passed isn't either a v4 or a v6 + address. + + Notes: + The IPv?Interface classes describe an Address on a particular + Network, so they're basically a combination of both the Address + and Network classes. + + """ + try: + return IPv4Interface(address) + except (AddressValueError, NetmaskValueError): + pass + + try: + return IPv6Interface(address) + except (AddressValueError, NetmaskValueError): + pass + + raise ValueError('%r does not appear to be an IPv4 or IPv6 interface' % + address) + + +def v4_int_to_packed(address): + """Represent an address as 4 packed bytes in network (big-endian) order. + + Args: + address: An integer representation of an IPv4 IP address. + + Returns: + The integer address packed as 4 bytes in network (big-endian) order. + + Raises: + ValueError: If the integer is negative or too large to be an + IPv4 IP address. + + """ + try: + return _compat_to_bytes(address, 4, 'big') + except (struct.error, OverflowError): + raise ValueError("Address negative or too large for IPv4") + + +def v6_int_to_packed(address): + """Represent an address as 16 packed bytes in network (big-endian) order. + + Args: + address: An integer representation of an IPv6 IP address. + + Returns: + The integer address packed as 16 bytes in network (big-endian) order. + + """ + try: + return _compat_to_bytes(address, 16, 'big') + except (struct.error, OverflowError): + raise ValueError("Address negative or too large for IPv6") + + +def _split_optional_netmask(address): + """Helper to split the netmask and raise AddressValueError if needed""" + addr = _compat_str(address).split('/') + if len(addr) > 2: + raise AddressValueError("Only one '/' permitted in %r" % address) + return addr + + +def _find_address_range(addresses): + """Find a sequence of sorted deduplicated IPv#Address. + + Args: + addresses: a list of IPv#Address objects. + + Yields: + A tuple containing the first and last IP addresses in the sequence. + + """ + it = iter(addresses) + first = last = next(it) + for ip in it: + if ip._ip != last._ip + 1: + yield first, last + first = ip + last = ip + yield first, last + + +def _count_righthand_zero_bits(number, bits): + """Count the number of zero bits on the right hand side. + + Args: + number: an integer. + bits: maximum number of bits to count. + + Returns: + The number of zero bits on the right hand side of the number. + + """ + if number == 0: + return bits + return min(bits, _compat_bit_length(~number & (number - 1))) + + +def summarize_address_range(first, last): + """Summarize a network range given the first and last IP addresses. + + Example: + >>> list(summarize_address_range(IPv4Address('192.0.2.0'), + ... IPv4Address('192.0.2.130'))) + ... #doctest: +NORMALIZE_WHITESPACE + [IPv4Network('192.0.2.0/25'), IPv4Network('192.0.2.128/31'), + IPv4Network('192.0.2.130/32')] + + Args: + first: the first IPv4Address or IPv6Address in the range. + last: the last IPv4Address or IPv6Address in the range. + + Returns: + An iterator of the summarized IPv(4|6) network objects. + + Raise: + TypeError: + If the first and last objects are not IP addresses. + If the first and last objects are not the same version. + ValueError: + If the last object is not greater than the first. + If the version of the first address is not 4 or 6. + + """ + if (not (isinstance(first, _BaseAddress) and + isinstance(last, _BaseAddress))): + raise TypeError('first and last must be IP addresses, not networks') + if first.version != last.version: + raise TypeError("%s and %s are not of the same version" % ( + first, last)) + if first > last: + raise ValueError('last IP address must be greater than first') + + if first.version == 4: + ip = IPv4Network + elif first.version == 6: + ip = IPv6Network + else: + raise ValueError('unknown IP version') + + ip_bits = first._max_prefixlen + first_int = first._ip + last_int = last._ip + while first_int <= last_int: + nbits = min(_count_righthand_zero_bits(first_int, ip_bits), + _compat_bit_length(last_int - first_int + 1) - 1) + net = ip((first_int, ip_bits - nbits)) + yield net + first_int += 1 << nbits + if first_int - 1 == ip._ALL_ONES: + break + + +def _collapse_addresses_internal(addresses): + """Loops through the addresses, collapsing concurrent netblocks. + + Example: + + ip1 = IPv4Network('192.0.2.0/26') + ip2 = IPv4Network('192.0.2.64/26') + ip3 = IPv4Network('192.0.2.128/26') + ip4 = IPv4Network('192.0.2.192/26') + + _collapse_addresses_internal([ip1, ip2, ip3, ip4]) -> + [IPv4Network('192.0.2.0/24')] + + This shouldn't be called directly; it is called via + collapse_addresses([]). + + Args: + addresses: A list of IPv4Network's or IPv6Network's + + Returns: + A list of IPv4Network's or IPv6Network's depending on what we were + passed. + + """ + # First merge + to_merge = list(addresses) + subnets = {} + while to_merge: + net = to_merge.pop() + supernet = net.supernet() + existing = subnets.get(supernet) + if existing is None: + subnets[supernet] = net + elif existing != net: + # Merge consecutive subnets + del subnets[supernet] + to_merge.append(supernet) + # Then iterate over resulting networks, skipping subsumed subnets + last = None + for net in sorted(subnets.values()): + if last is not None: + # Since they are sorted, + # last.network_address <= net.network_address is a given. + if last.broadcast_address >= net.broadcast_address: + continue + yield net + last = net + + +def collapse_addresses(addresses): + """Collapse a list of IP objects. + + Example: + collapse_addresses([IPv4Network('192.0.2.0/25'), + IPv4Network('192.0.2.128/25')]) -> + [IPv4Network('192.0.2.0/24')] + + Args: + addresses: An iterator of IPv4Network or IPv6Network objects. + + Returns: + An iterator of the collapsed IPv(4|6)Network objects. + + Raises: + TypeError: If passed a list of mixed version objects. + + """ + addrs = [] + ips = [] + nets = [] + + # split IP addresses and networks + for ip in addresses: + if isinstance(ip, _BaseAddress): + if ips and ips[-1]._version != ip._version: + raise TypeError("%s and %s are not of the same version" % ( + ip, ips[-1])) + ips.append(ip) + elif ip._prefixlen == ip._max_prefixlen: + if ips and ips[-1]._version != ip._version: + raise TypeError("%s and %s are not of the same version" % ( + ip, ips[-1])) + try: + ips.append(ip.ip) + except AttributeError: + ips.append(ip.network_address) + else: + if nets and nets[-1]._version != ip._version: + raise TypeError("%s and %s are not of the same version" % ( + ip, nets[-1])) + nets.append(ip) + + # sort and dedup + ips = sorted(set(ips)) + + # find consecutive address ranges in the sorted sequence and summarize them + if ips: + for first, last in _find_address_range(ips): + addrs.extend(summarize_address_range(first, last)) + + return _collapse_addresses_internal(addrs + nets) + + +def get_mixed_type_key(obj): + """Return a key suitable for sorting between networks and addresses. + + Address and Network objects are not sortable by default; they're + fundamentally different so the expression + + IPv4Address('192.0.2.0') <= IPv4Network('192.0.2.0/24') + + doesn't make any sense. There are some times however, where you may wish + to have ipaddress sort these for you anyway. If you need to do this, you + can use this function as the key= argument to sorted(). + + Args: + obj: either a Network or Address object. + Returns: + appropriate key. + + """ + if isinstance(obj, _BaseNetwork): + return obj._get_networks_key() + elif isinstance(obj, _BaseAddress): + return obj._get_address_key() + return NotImplemented + + +class _IPAddressBase(_TotalOrderingMixin): + + """The mother class.""" + + __slots__ = () + + @property + def exploded(self): + """Return the longhand version of the IP address as a string.""" + return self._explode_shorthand_ip_string() + + @property + def compressed(self): + """Return the shorthand version of the IP address as a string.""" + return _compat_str(self) + + @property + def reverse_pointer(self): + """The name of the reverse DNS pointer for the IP address, e.g.: + >>> ipaddress.ip_address("127.0.0.1").reverse_pointer + '1.0.0.127.in-addr.arpa' + >>> ipaddress.ip_address("2001:db8::1").reverse_pointer + '1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa' + + """ + return self._reverse_pointer() + + @property + def version(self): + msg = '%200s has no version specified' % (type(self),) + raise NotImplementedError(msg) + + def _check_int_address(self, address): + if address < 0: + msg = "%d (< 0) is not permitted as an IPv%d address" + raise AddressValueError(msg % (address, self._version)) + if address > self._ALL_ONES: + msg = "%d (>= 2**%d) is not permitted as an IPv%d address" + raise AddressValueError(msg % (address, self._max_prefixlen, + self._version)) + + def _check_packed_address(self, address, expected_len): + address_len = len(address) + if address_len != expected_len: + msg = ( + '%r (len %d != %d) is not permitted as an IPv%d address. ' + 'Did you pass in a bytes (str in Python 2) instead of' + ' a unicode object?') + raise AddressValueError(msg % (address, address_len, + expected_len, self._version)) + + @classmethod + def _ip_int_from_prefix(cls, prefixlen): + """Turn the prefix length into a bitwise netmask + + Args: + prefixlen: An integer, the prefix length. + + Returns: + An integer. + + """ + return cls._ALL_ONES ^ (cls._ALL_ONES >> prefixlen) + + @classmethod + def _prefix_from_ip_int(cls, ip_int): + """Return prefix length from the bitwise netmask. + + Args: + ip_int: An integer, the netmask in expanded bitwise format + + Returns: + An integer, the prefix length. + + Raises: + ValueError: If the input intermingles zeroes & ones + """ + trailing_zeroes = _count_righthand_zero_bits(ip_int, + cls._max_prefixlen) + prefixlen = cls._max_prefixlen - trailing_zeroes + leading_ones = ip_int >> trailing_zeroes + all_ones = (1 << prefixlen) - 1 + if leading_ones != all_ones: + byteslen = cls._max_prefixlen // 8 + details = _compat_to_bytes(ip_int, byteslen, 'big') + msg = 'Netmask pattern %r mixes zeroes & ones' + raise ValueError(msg % details) + return prefixlen + + @classmethod + def _report_invalid_netmask(cls, netmask_str): + msg = '%r is not a valid netmask' % netmask_str + raise NetmaskValueError(msg) + + @classmethod + def _prefix_from_prefix_string(cls, prefixlen_str): + """Return prefix length from a numeric string + + Args: + prefixlen_str: The string to be converted + + Returns: + An integer, the prefix length. + + Raises: + NetmaskValueError: If the input is not a valid netmask + """ + # int allows a leading +/- as well as surrounding whitespace, + # so we ensure that isn't the case + if not _BaseV4._DECIMAL_DIGITS.issuperset(prefixlen_str): + cls._report_invalid_netmask(prefixlen_str) + try: + prefixlen = int(prefixlen_str) + except ValueError: + cls._report_invalid_netmask(prefixlen_str) + if not (0 <= prefixlen <= cls._max_prefixlen): + cls._report_invalid_netmask(prefixlen_str) + return prefixlen + + @classmethod + def _prefix_from_ip_string(cls, ip_str): + """Turn a netmask/hostmask string into a prefix length + + Args: + ip_str: The netmask/hostmask to be converted + + Returns: + An integer, the prefix length. + + Raises: + NetmaskValueError: If the input is not a valid netmask/hostmask + """ + # Parse the netmask/hostmask like an IP address. + try: + ip_int = cls._ip_int_from_string(ip_str) + except AddressValueError: + cls._report_invalid_netmask(ip_str) + + # Try matching a netmask (this would be /1*0*/ as a bitwise regexp). + # Note that the two ambiguous cases (all-ones and all-zeroes) are + # treated as netmasks. + try: + return cls._prefix_from_ip_int(ip_int) + except ValueError: + pass + + # Invert the bits, and try matching a /0+1+/ hostmask instead. + ip_int ^= cls._ALL_ONES + try: + return cls._prefix_from_ip_int(ip_int) + except ValueError: + cls._report_invalid_netmask(ip_str) + + def __reduce__(self): + return self.__class__, (_compat_str(self),) + + +class _BaseAddress(_IPAddressBase): + + """A generic IP object. + + This IP class contains the version independent methods which are + used by single IP addresses. + """ + + __slots__ = () + + def __int__(self): + return self._ip + + def __eq__(self, other): + try: + return (self._ip == other._ip and + self._version == other._version) + except AttributeError: + return NotImplemented + + def __lt__(self, other): + if not isinstance(other, _IPAddressBase): + return NotImplemented + if not isinstance(other, _BaseAddress): + raise TypeError('%s and %s are not of the same type' % ( + self, other)) + if self._version != other._version: + raise TypeError('%s and %s are not of the same version' % ( + self, other)) + if self._ip != other._ip: + return self._ip < other._ip + return False + + # Shorthand for Integer addition and subtraction. This is not + # meant to ever support addition/subtraction of addresses. + def __add__(self, other): + if not isinstance(other, _compat_int_types): + return NotImplemented + return self.__class__(int(self) + other) + + def __sub__(self, other): + if not isinstance(other, _compat_int_types): + return NotImplemented + return self.__class__(int(self) - other) + + def __repr__(self): + return '%s(%r)' % (self.__class__.__name__, _compat_str(self)) + + def __str__(self): + return _compat_str(self._string_from_ip_int(self._ip)) + + def __hash__(self): + return hash(hex(int(self._ip))) + + def _get_address_key(self): + return (self._version, self) + + def __reduce__(self): + return self.__class__, (self._ip,) + + +class _BaseNetwork(_IPAddressBase): + + """A generic IP network object. + + This IP class contains the version independent methods which are + used by networks. + + """ + def __init__(self, address): + self._cache = {} + + def __repr__(self): + return '%s(%r)' % (self.__class__.__name__, _compat_str(self)) + + def __str__(self): + return '%s/%d' % (self.network_address, self.prefixlen) + + def hosts(self): + """Generate Iterator over usable hosts in a network. + + This is like __iter__ except it doesn't return the network + or broadcast addresses. + + """ + network = int(self.network_address) + broadcast = int(self.broadcast_address) + for x in _compat_range(network + 1, broadcast): + yield self._address_class(x) + + def __iter__(self): + network = int(self.network_address) + broadcast = int(self.broadcast_address) + for x in _compat_range(network, broadcast + 1): + yield self._address_class(x) + + def __getitem__(self, n): + network = int(self.network_address) + broadcast = int(self.broadcast_address) + if n >= 0: + if network + n > broadcast: + raise IndexError('address out of range') + return self._address_class(network + n) + else: + n += 1 + if broadcast + n < network: + raise IndexError('address out of range') + return self._address_class(broadcast + n) + + def __lt__(self, other): + if not isinstance(other, _IPAddressBase): + return NotImplemented + if not isinstance(other, _BaseNetwork): + raise TypeError('%s and %s are not of the same type' % ( + self, other)) + if self._version != other._version: + raise TypeError('%s and %s are not of the same version' % ( + self, other)) + if self.network_address != other.network_address: + return self.network_address < other.network_address + if self.netmask != other.netmask: + return self.netmask < other.netmask + return False + + def __eq__(self, other): + try: + return (self._version == other._version and + self.network_address == other.network_address and + int(self.netmask) == int(other.netmask)) + except AttributeError: + return NotImplemented + + def __hash__(self): + return hash(int(self.network_address) ^ int(self.netmask)) + + def __contains__(self, other): + # always false if one is v4 and the other is v6. + if self._version != other._version: + return False + # dealing with another network. + if isinstance(other, _BaseNetwork): + return False + # dealing with another address + else: + # address + return (int(self.network_address) <= int(other._ip) <= + int(self.broadcast_address)) + + def overlaps(self, other): + """Tell if self is partly contained in other.""" + return self.network_address in other or ( + self.broadcast_address in other or ( + other.network_address in self or ( + other.broadcast_address in self))) + + @property + def broadcast_address(self): + x = self._cache.get('broadcast_address') + if x is None: + x = self._address_class(int(self.network_address) | + int(self.hostmask)) + self._cache['broadcast_address'] = x + return x + + @property + def hostmask(self): + x = self._cache.get('hostmask') + if x is None: + x = self._address_class(int(self.netmask) ^ self._ALL_ONES) + self._cache['hostmask'] = x + return x + + @property + def with_prefixlen(self): + return '%s/%d' % (self.network_address, self._prefixlen) + + @property + def with_netmask(self): + return '%s/%s' % (self.network_address, self.netmask) + + @property + def with_hostmask(self): + return '%s/%s' % (self.network_address, self.hostmask) + + @property + def num_addresses(self): + """Number of hosts in the current subnet.""" + return int(self.broadcast_address) - int(self.network_address) + 1 + + @property + def _address_class(self): + # Returning bare address objects (rather than interfaces) allows for + # more consistent behaviour across the network address, broadcast + # address and individual host addresses. + msg = '%200s has no associated address class' % (type(self),) + raise NotImplementedError(msg) + + @property + def prefixlen(self): + return self._prefixlen + + def address_exclude(self, other): + """Remove an address from a larger block. + + For example: + + addr1 = ip_network('192.0.2.0/28') + addr2 = ip_network('192.0.2.1/32') + list(addr1.address_exclude(addr2)) = + [IPv4Network('192.0.2.0/32'), IPv4Network('192.0.2.2/31'), + IPv4Network('192.0.2.4/30'), IPv4Network('192.0.2.8/29')] + + or IPv6: + + addr1 = ip_network('2001:db8::1/32') + addr2 = ip_network('2001:db8::1/128') + list(addr1.address_exclude(addr2)) = + [ip_network('2001:db8::1/128'), + ip_network('2001:db8::2/127'), + ip_network('2001:db8::4/126'), + ip_network('2001:db8::8/125'), + ... + ip_network('2001:db8:8000::/33')] + + Args: + other: An IPv4Network or IPv6Network object of the same type. + + Returns: + An iterator of the IPv(4|6)Network objects which is self + minus other. + + Raises: + TypeError: If self and other are of differing address + versions, or if other is not a network object. + ValueError: If other is not completely contained by self. + + """ + if not self._version == other._version: + raise TypeError("%s and %s are not of the same version" % ( + self, other)) + + if not isinstance(other, _BaseNetwork): + raise TypeError("%s is not a network object" % other) + + if not other.subnet_of(self): + raise ValueError('%s not contained in %s' % (other, self)) + if other == self: + return + + # Make sure we're comparing the network of other. + other = other.__class__('%s/%s' % (other.network_address, + other.prefixlen)) + + s1, s2 = self.subnets() + while s1 != other and s2 != other: + if other.subnet_of(s1): + yield s2 + s1, s2 = s1.subnets() + elif other.subnet_of(s2): + yield s1 + s1, s2 = s2.subnets() + else: + # If we got here, there's a bug somewhere. + raise AssertionError('Error performing exclusion: ' + 's1: %s s2: %s other: %s' % + (s1, s2, other)) + if s1 == other: + yield s2 + elif s2 == other: + yield s1 + else: + # If we got here, there's a bug somewhere. + raise AssertionError('Error performing exclusion: ' + 's1: %s s2: %s other: %s' % + (s1, s2, other)) + + def compare_networks(self, other): + """Compare two IP objects. + + This is only concerned about the comparison of the integer + representation of the network addresses. This means that the + host bits aren't considered at all in this method. If you want + to compare host bits, you can easily enough do a + 'HostA._ip < HostB._ip' + + Args: + other: An IP object. + + Returns: + If the IP versions of self and other are the same, returns: + + -1 if self < other: + eg: IPv4Network('192.0.2.0/25') < IPv4Network('192.0.2.128/25') + IPv6Network('2001:db8::1000/124') < + IPv6Network('2001:db8::2000/124') + 0 if self == other + eg: IPv4Network('192.0.2.0/24') == IPv4Network('192.0.2.0/24') + IPv6Network('2001:db8::1000/124') == + IPv6Network('2001:db8::1000/124') + 1 if self > other + eg: IPv4Network('192.0.2.128/25') > IPv4Network('192.0.2.0/25') + IPv6Network('2001:db8::2000/124') > + IPv6Network('2001:db8::1000/124') + + Raises: + TypeError if the IP versions are different. + + """ + # does this need to raise a ValueError? + if self._version != other._version: + raise TypeError('%s and %s are not of the same type' % ( + self, other)) + # self._version == other._version below here: + if self.network_address < other.network_address: + return -1 + if self.network_address > other.network_address: + return 1 + # self.network_address == other.network_address below here: + if self.netmask < other.netmask: + return -1 + if self.netmask > other.netmask: + return 1 + return 0 + + def _get_networks_key(self): + """Network-only key function. + + Returns an object that identifies this address' network and + netmask. This function is a suitable "key" argument for sorted() + and list.sort(). + + """ + return (self._version, self.network_address, self.netmask) + + def subnets(self, prefixlen_diff=1, new_prefix=None): + """The subnets which join to make the current subnet. + + In the case that self contains only one IP + (self._prefixlen == 32 for IPv4 or self._prefixlen == 128 + for IPv6), yield an iterator with just ourself. + + Args: + prefixlen_diff: An integer, the amount the prefix length + should be increased by. This should not be set if + new_prefix is also set. + new_prefix: The desired new prefix length. This must be a + larger number (smaller prefix) than the existing prefix. + This should not be set if prefixlen_diff is also set. + + Returns: + An iterator of IPv(4|6) objects. + + Raises: + ValueError: The prefixlen_diff is too small or too large. + OR + prefixlen_diff and new_prefix are both set or new_prefix + is a smaller number than the current prefix (smaller + number means a larger network) + + """ + if self._prefixlen == self._max_prefixlen: + yield self + return + + if new_prefix is not None: + if new_prefix < self._prefixlen: + raise ValueError('new prefix must be longer') + if prefixlen_diff != 1: + raise ValueError('cannot set prefixlen_diff and new_prefix') + prefixlen_diff = new_prefix - self._prefixlen + + if prefixlen_diff < 0: + raise ValueError('prefix length diff must be > 0') + new_prefixlen = self._prefixlen + prefixlen_diff + + if new_prefixlen > self._max_prefixlen: + raise ValueError( + 'prefix length diff %d is invalid for netblock %s' % ( + new_prefixlen, self)) + + start = int(self.network_address) + end = int(self.broadcast_address) + 1 + step = (int(self.hostmask) + 1) >> prefixlen_diff + for new_addr in _compat_range(start, end, step): + current = self.__class__((new_addr, new_prefixlen)) + yield current + + def supernet(self, prefixlen_diff=1, new_prefix=None): + """The supernet containing the current network. + + Args: + prefixlen_diff: An integer, the amount the prefix length of + the network should be decreased by. For example, given a + /24 network and a prefixlen_diff of 3, a supernet with a + /21 netmask is returned. + + Returns: + An IPv4 network object. + + Raises: + ValueError: If self.prefixlen - prefixlen_diff < 0. I.e., you have + a negative prefix length. + OR + If prefixlen_diff and new_prefix are both set or new_prefix is a + larger number than the current prefix (larger number means a + smaller network) + + """ + if self._prefixlen == 0: + return self + + if new_prefix is not None: + if new_prefix > self._prefixlen: + raise ValueError('new prefix must be shorter') + if prefixlen_diff != 1: + raise ValueError('cannot set prefixlen_diff and new_prefix') + prefixlen_diff = self._prefixlen - new_prefix + + new_prefixlen = self.prefixlen - prefixlen_diff + if new_prefixlen < 0: + raise ValueError( + 'current prefixlen is %d, cannot have a prefixlen_diff of %d' % + (self.prefixlen, prefixlen_diff)) + return self.__class__(( + int(self.network_address) & (int(self.netmask) << prefixlen_diff), + new_prefixlen)) + + @property + def is_multicast(self): + """Test if the address is reserved for multicast use. + + Returns: + A boolean, True if the address is a multicast address. + See RFC 2373 2.7 for details. + + """ + return (self.network_address.is_multicast and + self.broadcast_address.is_multicast) + + @staticmethod + def _is_subnet_of(a, b): + try: + # Always false if one is v4 and the other is v6. + if a._version != b._version: + raise TypeError("%s and %s are not of the same version" (a, b)) + return (b.network_address <= a.network_address and + b.broadcast_address >= a.broadcast_address) + except AttributeError: + raise TypeError("Unable to test subnet containment " + "between %s and %s" % (a, b)) + + def subnet_of(self, other): + """Return True if this network is a subnet of other.""" + return self._is_subnet_of(self, other) + + def supernet_of(self, other): + """Return True if this network is a supernet of other.""" + return self._is_subnet_of(other, self) + + @property + def is_reserved(self): + """Test if the address is otherwise IETF reserved. + + Returns: + A boolean, True if the address is within one of the + reserved IPv6 Network ranges. + + """ + return (self.network_address.is_reserved and + self.broadcast_address.is_reserved) + + @property + def is_link_local(self): + """Test if the address is reserved for link-local. + + Returns: + A boolean, True if the address is reserved per RFC 4291. + + """ + return (self.network_address.is_link_local and + self.broadcast_address.is_link_local) + + @property + def is_private(self): + """Test if this address is allocated for private networks. + + Returns: + A boolean, True if the address is reserved per + iana-ipv4-special-registry or iana-ipv6-special-registry. + + """ + return (self.network_address.is_private and + self.broadcast_address.is_private) + + @property + def is_global(self): + """Test if this address is allocated for public networks. + + Returns: + A boolean, True if the address is not reserved per + iana-ipv4-special-registry or iana-ipv6-special-registry. + + """ + return not self.is_private + + @property + def is_unspecified(self): + """Test if the address is unspecified. + + Returns: + A boolean, True if this is the unspecified address as defined in + RFC 2373 2.5.2. + + """ + return (self.network_address.is_unspecified and + self.broadcast_address.is_unspecified) + + @property + def is_loopback(self): + """Test if the address is a loopback address. + + Returns: + A boolean, True if the address is a loopback address as defined in + RFC 2373 2.5.3. + + """ + return (self.network_address.is_loopback and + self.broadcast_address.is_loopback) + + +class _BaseV4(object): + + """Base IPv4 object. + + The following methods are used by IPv4 objects in both single IP + addresses and networks. + + """ + + __slots__ = () + _version = 4 + # Equivalent to 255.255.255.255 or 32 bits of 1's. + _ALL_ONES = (2 ** IPV4LENGTH) - 1 + _DECIMAL_DIGITS = frozenset('0123456789') + + # the valid octets for host and netmasks. only useful for IPv4. + _valid_mask_octets = frozenset([255, 254, 252, 248, 240, 224, 192, 128, 0]) + + _max_prefixlen = IPV4LENGTH + # There are only a handful of valid v4 netmasks, so we cache them all + # when constructed (see _make_netmask()). + _netmask_cache = {} + + def _explode_shorthand_ip_string(self): + return _compat_str(self) + + @classmethod + def _make_netmask(cls, arg): + """Make a (netmask, prefix_len) tuple from the given argument. + + Argument can be: + - an integer (the prefix length) + - a string representing the prefix length (e.g. "24") + - a string representing the prefix netmask (e.g. "255.255.255.0") + """ + if arg not in cls._netmask_cache: + if isinstance(arg, _compat_int_types): + prefixlen = arg + else: + try: + # Check for a netmask in prefix length form + prefixlen = cls._prefix_from_prefix_string(arg) + except NetmaskValueError: + # Check for a netmask or hostmask in dotted-quad form. + # This may raise NetmaskValueError. + prefixlen = cls._prefix_from_ip_string(arg) + netmask = IPv4Address(cls._ip_int_from_prefix(prefixlen)) + cls._netmask_cache[arg] = netmask, prefixlen + return cls._netmask_cache[arg] + + @classmethod + def _ip_int_from_string(cls, ip_str): + """Turn the given IP string into an integer for comparison. + + Args: + ip_str: A string, the IP ip_str. + + Returns: + The IP ip_str as an integer. + + Raises: + AddressValueError: if ip_str isn't a valid IPv4 Address. + + """ + if not ip_str: + raise AddressValueError('Address cannot be empty') + + octets = ip_str.split('.') + if len(octets) != 4: + raise AddressValueError("Expected 4 octets in %r" % ip_str) + + try: + return _compat_int_from_byte_vals( + map(cls._parse_octet, octets), 'big') + except ValueError as exc: + raise AddressValueError("%s in %r" % (exc, ip_str)) + + @classmethod + def _parse_octet(cls, octet_str): + """Convert a decimal octet into an integer. + + Args: + octet_str: A string, the number to parse. + + Returns: + The octet as an integer. + + Raises: + ValueError: if the octet isn't strictly a decimal from [0..255]. + + """ + if not octet_str: + raise ValueError("Empty octet not permitted") + # Whitelist the characters, since int() allows a lot of bizarre stuff. + if not cls._DECIMAL_DIGITS.issuperset(octet_str): + msg = "Only decimal digits permitted in %r" + raise ValueError(msg % octet_str) + # We do the length check second, since the invalid character error + # is likely to be more informative for the user + if len(octet_str) > 3: + msg = "At most 3 characters permitted in %r" + raise ValueError(msg % octet_str) + # Convert to integer (we know digits are legal) + octet_int = int(octet_str, 10) + # Any octets that look like they *might* be written in octal, + # and which don't look exactly the same in both octal and + # decimal are rejected as ambiguous + if octet_int > 7 and octet_str[0] == '0': + msg = "Ambiguous (octal/decimal) value in %r not permitted" + raise ValueError(msg % octet_str) + if octet_int > 255: + raise ValueError("Octet %d (> 255) not permitted" % octet_int) + return octet_int + + @classmethod + def _string_from_ip_int(cls, ip_int): + """Turns a 32-bit integer into dotted decimal notation. + + Args: + ip_int: An integer, the IP address. + + Returns: + The IP address as a string in dotted decimal notation. + + """ + return '.'.join(_compat_str(struct.unpack(b'!B', b)[0] + if isinstance(b, bytes) + else b) + for b in _compat_to_bytes(ip_int, 4, 'big')) + + def _is_hostmask(self, ip_str): + """Test if the IP string is a hostmask (rather than a netmask). + + Args: + ip_str: A string, the potential hostmask. + + Returns: + A boolean, True if the IP string is a hostmask. + + """ + bits = ip_str.split('.') + try: + parts = [x for x in map(int, bits) if x in self._valid_mask_octets] + except ValueError: + return False + if len(parts) != len(bits): + return False + if parts[0] < parts[-1]: + return True + return False + + def _reverse_pointer(self): + """Return the reverse DNS pointer name for the IPv4 address. + + This implements the method described in RFC1035 3.5. + + """ + reverse_octets = _compat_str(self).split('.')[::-1] + return '.'.join(reverse_octets) + '.in-addr.arpa' + + @property + def max_prefixlen(self): + return self._max_prefixlen + + @property + def version(self): + return self._version + + +class IPv4Address(_BaseV4, _BaseAddress): + + """Represent and manipulate single IPv4 Addresses.""" + + __slots__ = ('_ip', '__weakref__') + + def __init__(self, address): + + """ + Args: + address: A string or integer representing the IP + + Additionally, an integer can be passed, so + IPv4Address('192.0.2.1') == IPv4Address(3221225985). + or, more generally + IPv4Address(int(IPv4Address('192.0.2.1'))) == + IPv4Address('192.0.2.1') + + Raises: + AddressValueError: If ipaddress isn't a valid IPv4 address. + + """ + # Efficient constructor from integer. + if isinstance(address, _compat_int_types): + self._check_int_address(address) + self._ip = address + return + + # Constructing from a packed address + if isinstance(address, bytes): + self._check_packed_address(address, 4) + bvs = _compat_bytes_to_byte_vals(address) + self._ip = _compat_int_from_byte_vals(bvs, 'big') + return + + # Assume input argument to be string or any object representation + # which converts into a formatted IP string. + addr_str = _compat_str(address) + if '/' in addr_str: + raise AddressValueError("Unexpected '/' in %r" % address) + self._ip = self._ip_int_from_string(addr_str) + + @property + def packed(self): + """The binary representation of this address.""" + return v4_int_to_packed(self._ip) + + @property + def is_reserved(self): + """Test if the address is otherwise IETF reserved. + + Returns: + A boolean, True if the address is within the + reserved IPv4 Network range. + + """ + return self in self._constants._reserved_network + + @property + def is_private(self): + """Test if this address is allocated for private networks. + + Returns: + A boolean, True if the address is reserved per + iana-ipv4-special-registry. + + """ + return any(self in net for net in self._constants._private_networks) + + @property + def is_global(self): + return ( + self not in self._constants._public_network and + not self.is_private) + + @property + def is_multicast(self): + """Test if the address is reserved for multicast use. + + Returns: + A boolean, True if the address is multicast. + See RFC 3171 for details. + + """ + return self in self._constants._multicast_network + + @property + def is_unspecified(self): + """Test if the address is unspecified. + + Returns: + A boolean, True if this is the unspecified address as defined in + RFC 5735 3. + + """ + return self == self._constants._unspecified_address + + @property + def is_loopback(self): + """Test if the address is a loopback address. + + Returns: + A boolean, True if the address is a loopback per RFC 3330. + + """ + return self in self._constants._loopback_network + + @property + def is_link_local(self): + """Test if the address is reserved for link-local. + + Returns: + A boolean, True if the address is link-local per RFC 3927. + + """ + return self in self._constants._linklocal_network + + +class IPv4Interface(IPv4Address): + + def __init__(self, address): + if isinstance(address, (bytes, _compat_int_types)): + IPv4Address.__init__(self, address) + self.network = IPv4Network(self._ip) + self._prefixlen = self._max_prefixlen + return + + if isinstance(address, tuple): + IPv4Address.__init__(self, address[0]) + if len(address) > 1: + self._prefixlen = int(address[1]) + else: + self._prefixlen = self._max_prefixlen + + self.network = IPv4Network(address, strict=False) + self.netmask = self.network.netmask + self.hostmask = self.network.hostmask + return + + addr = _split_optional_netmask(address) + IPv4Address.__init__(self, addr[0]) + + self.network = IPv4Network(address, strict=False) + self._prefixlen = self.network._prefixlen + + self.netmask = self.network.netmask + self.hostmask = self.network.hostmask + + def __str__(self): + return '%s/%d' % (self._string_from_ip_int(self._ip), + self.network.prefixlen) + + def __eq__(self, other): + address_equal = IPv4Address.__eq__(self, other) + if not address_equal or address_equal is NotImplemented: + return address_equal + try: + return self.network == other.network + except AttributeError: + # An interface with an associated network is NOT the + # same as an unassociated address. That's why the hash + # takes the extra info into account. + return False + + def __lt__(self, other): + address_less = IPv4Address.__lt__(self, other) + if address_less is NotImplemented: + return NotImplemented + try: + return (self.network < other.network or + self.network == other.network and address_less) + except AttributeError: + # We *do* allow addresses and interfaces to be sorted. The + # unassociated address is considered less than all interfaces. + return False + + def __hash__(self): + return self._ip ^ self._prefixlen ^ int(self.network.network_address) + + __reduce__ = _IPAddressBase.__reduce__ + + @property + def ip(self): + return IPv4Address(self._ip) + + @property + def with_prefixlen(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self._prefixlen) + + @property + def with_netmask(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self.netmask) + + @property + def with_hostmask(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self.hostmask) + + +class IPv4Network(_BaseV4, _BaseNetwork): + + """This class represents and manipulates 32-bit IPv4 network + addresses.. + + Attributes: [examples for IPv4Network('192.0.2.0/27')] + .network_address: IPv4Address('192.0.2.0') + .hostmask: IPv4Address('0.0.0.31') + .broadcast_address: IPv4Address('192.0.2.32') + .netmask: IPv4Address('255.255.255.224') + .prefixlen: 27 + + """ + # Class to use when creating address objects + _address_class = IPv4Address + + def __init__(self, address, strict=True): + + """Instantiate a new IPv4 network object. + + Args: + address: A string or integer representing the IP [& network]. + '192.0.2.0/24' + '192.0.2.0/255.255.255.0' + '192.0.0.2/0.0.0.255' + are all functionally the same in IPv4. Similarly, + '192.0.2.1' + '192.0.2.1/255.255.255.255' + '192.0.2.1/32' + are also functionally equivalent. That is to say, failing to + provide a subnetmask will create an object with a mask of /32. + + If the mask (portion after the / in the argument) is given in + dotted quad form, it is treated as a netmask if it starts with a + non-zero field (e.g. /255.0.0.0 == /8) and as a hostmask if it + starts with a zero field (e.g. 0.255.255.255 == /8), with the + single exception of an all-zero mask which is treated as a + netmask == /0. If no mask is given, a default of /32 is used. + + Additionally, an integer can be passed, so + IPv4Network('192.0.2.1') == IPv4Network(3221225985) + or, more generally + IPv4Interface(int(IPv4Interface('192.0.2.1'))) == + IPv4Interface('192.0.2.1') + + Raises: + AddressValueError: If ipaddress isn't a valid IPv4 address. + NetmaskValueError: If the netmask isn't valid for + an IPv4 address. + ValueError: If strict is True and a network address is not + supplied. + + """ + _BaseNetwork.__init__(self, address) + + # Constructing from a packed address or integer + if isinstance(address, (_compat_int_types, bytes)): + self.network_address = IPv4Address(address) + self.netmask, self._prefixlen = self._make_netmask( + self._max_prefixlen) + # fixme: address/network test here. + return + + if isinstance(address, tuple): + if len(address) > 1: + arg = address[1] + else: + # We weren't given an address[1] + arg = self._max_prefixlen + self.network_address = IPv4Address(address[0]) + self.netmask, self._prefixlen = self._make_netmask(arg) + packed = int(self.network_address) + if packed & int(self.netmask) != packed: + if strict: + raise ValueError('%s has host bits set' % self) + else: + self.network_address = IPv4Address(packed & + int(self.netmask)) + return + + # Assume input argument to be string or any object representation + # which converts into a formatted IP prefix string. + addr = _split_optional_netmask(address) + self.network_address = IPv4Address(self._ip_int_from_string(addr[0])) + + if len(addr) == 2: + arg = addr[1] + else: + arg = self._max_prefixlen + self.netmask, self._prefixlen = self._make_netmask(arg) + + if strict: + if (IPv4Address(int(self.network_address) & int(self.netmask)) != + self.network_address): + raise ValueError('%s has host bits set' % self) + self.network_address = IPv4Address(int(self.network_address) & + int(self.netmask)) + + if self._prefixlen == (self._max_prefixlen - 1): + self.hosts = self.__iter__ + + @property + def is_global(self): + """Test if this address is allocated for public networks. + + Returns: + A boolean, True if the address is not reserved per + iana-ipv4-special-registry. + + """ + return (not (self.network_address in IPv4Network('100.64.0.0/10') and + self.broadcast_address in IPv4Network('100.64.0.0/10')) and + not self.is_private) + + +class _IPv4Constants(object): + + _linklocal_network = IPv4Network('169.254.0.0/16') + + _loopback_network = IPv4Network('127.0.0.0/8') + + _multicast_network = IPv4Network('224.0.0.0/4') + + _public_network = IPv4Network('100.64.0.0/10') + + _private_networks = [ + IPv4Network('0.0.0.0/8'), + IPv4Network('10.0.0.0/8'), + IPv4Network('127.0.0.0/8'), + IPv4Network('169.254.0.0/16'), + IPv4Network('172.16.0.0/12'), + IPv4Network('192.0.0.0/29'), + IPv4Network('192.0.0.170/31'), + IPv4Network('192.0.2.0/24'), + IPv4Network('192.168.0.0/16'), + IPv4Network('198.18.0.0/15'), + IPv4Network('198.51.100.0/24'), + IPv4Network('203.0.113.0/24'), + IPv4Network('240.0.0.0/4'), + IPv4Network('255.255.255.255/32'), + ] + + _reserved_network = IPv4Network('240.0.0.0/4') + + _unspecified_address = IPv4Address('0.0.0.0') + + +IPv4Address._constants = _IPv4Constants + + +class _BaseV6(object): + + """Base IPv6 object. + + The following methods are used by IPv6 objects in both single IP + addresses and networks. + + """ + + __slots__ = () + _version = 6 + _ALL_ONES = (2 ** IPV6LENGTH) - 1 + _HEXTET_COUNT = 8 + _HEX_DIGITS = frozenset('0123456789ABCDEFabcdef') + _max_prefixlen = IPV6LENGTH + + # There are only a bunch of valid v6 netmasks, so we cache them all + # when constructed (see _make_netmask()). + _netmask_cache = {} + + @classmethod + def _make_netmask(cls, arg): + """Make a (netmask, prefix_len) tuple from the given argument. + + Argument can be: + - an integer (the prefix length) + - a string representing the prefix length (e.g. "24") + - a string representing the prefix netmask (e.g. "255.255.255.0") + """ + if arg not in cls._netmask_cache: + if isinstance(arg, _compat_int_types): + prefixlen = arg + else: + prefixlen = cls._prefix_from_prefix_string(arg) + netmask = IPv6Address(cls._ip_int_from_prefix(prefixlen)) + cls._netmask_cache[arg] = netmask, prefixlen + return cls._netmask_cache[arg] + + @classmethod + def _ip_int_from_string(cls, ip_str): + """Turn an IPv6 ip_str into an integer. + + Args: + ip_str: A string, the IPv6 ip_str. + + Returns: + An int, the IPv6 address + + Raises: + AddressValueError: if ip_str isn't a valid IPv6 Address. + + """ + if not ip_str: + raise AddressValueError('Address cannot be empty') + + parts = ip_str.split(':') + + # An IPv6 address needs at least 2 colons (3 parts). + _min_parts = 3 + if len(parts) < _min_parts: + msg = "At least %d parts expected in %r" % (_min_parts, ip_str) + raise AddressValueError(msg) + + # If the address has an IPv4-style suffix, convert it to hexadecimal. + if '.' in parts[-1]: + try: + ipv4_int = IPv4Address(parts.pop())._ip + except AddressValueError as exc: + raise AddressValueError("%s in %r" % (exc, ip_str)) + parts.append('%x' % ((ipv4_int >> 16) & 0xFFFF)) + parts.append('%x' % (ipv4_int & 0xFFFF)) + + # An IPv6 address can't have more than 8 colons (9 parts). + # The extra colon comes from using the "::" notation for a single + # leading or trailing zero part. + _max_parts = cls._HEXTET_COUNT + 1 + if len(parts) > _max_parts: + msg = "At most %d colons permitted in %r" % ( + _max_parts - 1, ip_str) + raise AddressValueError(msg) + + # Disregarding the endpoints, find '::' with nothing in between. + # This indicates that a run of zeroes has been skipped. + skip_index = None + for i in _compat_range(1, len(parts) - 1): + if not parts[i]: + if skip_index is not None: + # Can't have more than one '::' + msg = "At most one '::' permitted in %r" % ip_str + raise AddressValueError(msg) + skip_index = i + + # parts_hi is the number of parts to copy from above/before the '::' + # parts_lo is the number of parts to copy from below/after the '::' + if skip_index is not None: + # If we found a '::', then check if it also covers the endpoints. + parts_hi = skip_index + parts_lo = len(parts) - skip_index - 1 + if not parts[0]: + parts_hi -= 1 + if parts_hi: + msg = "Leading ':' only permitted as part of '::' in %r" + raise AddressValueError(msg % ip_str) # ^: requires ^:: + if not parts[-1]: + parts_lo -= 1 + if parts_lo: + msg = "Trailing ':' only permitted as part of '::' in %r" + raise AddressValueError(msg % ip_str) # :$ requires ::$ + parts_skipped = cls._HEXTET_COUNT - (parts_hi + parts_lo) + if parts_skipped < 1: + msg = "Expected at most %d other parts with '::' in %r" + raise AddressValueError(msg % (cls._HEXTET_COUNT - 1, ip_str)) + else: + # Otherwise, allocate the entire address to parts_hi. The + # endpoints could still be empty, but _parse_hextet() will check + # for that. + if len(parts) != cls._HEXTET_COUNT: + msg = "Exactly %d parts expected without '::' in %r" + raise AddressValueError(msg % (cls._HEXTET_COUNT, ip_str)) + if not parts[0]: + msg = "Leading ':' only permitted as part of '::' in %r" + raise AddressValueError(msg % ip_str) # ^: requires ^:: + if not parts[-1]: + msg = "Trailing ':' only permitted as part of '::' in %r" + raise AddressValueError(msg % ip_str) # :$ requires ::$ + parts_hi = len(parts) + parts_lo = 0 + parts_skipped = 0 + + try: + # Now, parse the hextets into a 128-bit integer. + ip_int = 0 + for i in range(parts_hi): + ip_int <<= 16 + ip_int |= cls._parse_hextet(parts[i]) + ip_int <<= 16 * parts_skipped + for i in range(-parts_lo, 0): + ip_int <<= 16 + ip_int |= cls._parse_hextet(parts[i]) + return ip_int + except ValueError as exc: + raise AddressValueError("%s in %r" % (exc, ip_str)) + + @classmethod + def _parse_hextet(cls, hextet_str): + """Convert an IPv6 hextet string into an integer. + + Args: + hextet_str: A string, the number to parse. + + Returns: + The hextet as an integer. + + Raises: + ValueError: if the input isn't strictly a hex number from + [0..FFFF]. + + """ + # Whitelist the characters, since int() allows a lot of bizarre stuff. + if not cls._HEX_DIGITS.issuperset(hextet_str): + raise ValueError("Only hex digits permitted in %r" % hextet_str) + # We do the length check second, since the invalid character error + # is likely to be more informative for the user + if len(hextet_str) > 4: + msg = "At most 4 characters permitted in %r" + raise ValueError(msg % hextet_str) + # Length check means we can skip checking the integer value + return int(hextet_str, 16) + + @classmethod + def _compress_hextets(cls, hextets): + """Compresses a list of hextets. + + Compresses a list of strings, replacing the longest continuous + sequence of "0" in the list with "" and adding empty strings at + the beginning or at the end of the string such that subsequently + calling ":".join(hextets) will produce the compressed version of + the IPv6 address. + + Args: + hextets: A list of strings, the hextets to compress. + + Returns: + A list of strings. + + """ + best_doublecolon_start = -1 + best_doublecolon_len = 0 + doublecolon_start = -1 + doublecolon_len = 0 + for index, hextet in enumerate(hextets): + if hextet == '0': + doublecolon_len += 1 + if doublecolon_start == -1: + # Start of a sequence of zeros. + doublecolon_start = index + if doublecolon_len > best_doublecolon_len: + # This is the longest sequence of zeros so far. + best_doublecolon_len = doublecolon_len + best_doublecolon_start = doublecolon_start + else: + doublecolon_len = 0 + doublecolon_start = -1 + + if best_doublecolon_len > 1: + best_doublecolon_end = (best_doublecolon_start + + best_doublecolon_len) + # For zeros at the end of the address. + if best_doublecolon_end == len(hextets): + hextets += [''] + hextets[best_doublecolon_start:best_doublecolon_end] = [''] + # For zeros at the beginning of the address. + if best_doublecolon_start == 0: + hextets = [''] + hextets + + return hextets + + @classmethod + def _string_from_ip_int(cls, ip_int=None): + """Turns a 128-bit integer into hexadecimal notation. + + Args: + ip_int: An integer, the IP address. + + Returns: + A string, the hexadecimal representation of the address. + + Raises: + ValueError: The address is bigger than 128 bits of all ones. + + """ + if ip_int is None: + ip_int = int(cls._ip) + + if ip_int > cls._ALL_ONES: + raise ValueError('IPv6 address is too large') + + hex_str = '%032x' % ip_int + hextets = ['%x' % int(hex_str[x:x + 4], 16) for x in range(0, 32, 4)] + + hextets = cls._compress_hextets(hextets) + return ':'.join(hextets) + + def _explode_shorthand_ip_string(self): + """Expand a shortened IPv6 address. + + Args: + ip_str: A string, the IPv6 address. + + Returns: + A string, the expanded IPv6 address. + + """ + if isinstance(self, IPv6Network): + ip_str = _compat_str(self.network_address) + elif isinstance(self, IPv6Interface): + ip_str = _compat_str(self.ip) + else: + ip_str = _compat_str(self) + + ip_int = self._ip_int_from_string(ip_str) + hex_str = '%032x' % ip_int + parts = [hex_str[x:x + 4] for x in range(0, 32, 4)] + if isinstance(self, (_BaseNetwork, IPv6Interface)): + return '%s/%d' % (':'.join(parts), self._prefixlen) + return ':'.join(parts) + + def _reverse_pointer(self): + """Return the reverse DNS pointer name for the IPv6 address. + + This implements the method described in RFC3596 2.5. + + """ + reverse_chars = self.exploded[::-1].replace(':', '') + return '.'.join(reverse_chars) + '.ip6.arpa' + + @property + def max_prefixlen(self): + return self._max_prefixlen + + @property + def version(self): + return self._version + + +class IPv6Address(_BaseV6, _BaseAddress): + + """Represent and manipulate single IPv6 Addresses.""" + + __slots__ = ('_ip', '__weakref__') + + def __init__(self, address): + """Instantiate a new IPv6 address object. + + Args: + address: A string or integer representing the IP + + Additionally, an integer can be passed, so + IPv6Address('2001:db8::') == + IPv6Address(42540766411282592856903984951653826560) + or, more generally + IPv6Address(int(IPv6Address('2001:db8::'))) == + IPv6Address('2001:db8::') + + Raises: + AddressValueError: If address isn't a valid IPv6 address. + + """ + # Efficient constructor from integer. + if isinstance(address, _compat_int_types): + self._check_int_address(address) + self._ip = address + return + + # Constructing from a packed address + if isinstance(address, bytes): + self._check_packed_address(address, 16) + bvs = _compat_bytes_to_byte_vals(address) + self._ip = _compat_int_from_byte_vals(bvs, 'big') + return + + # Assume input argument to be string or any object representation + # which converts into a formatted IP string. + addr_str = _compat_str(address) + if '/' in addr_str: + raise AddressValueError("Unexpected '/' in %r" % address) + self._ip = self._ip_int_from_string(addr_str) + + @property + def packed(self): + """The binary representation of this address.""" + return v6_int_to_packed(self._ip) + + @property + def is_multicast(self): + """Test if the address is reserved for multicast use. + + Returns: + A boolean, True if the address is a multicast address. + See RFC 2373 2.7 for details. + + """ + return self in self._constants._multicast_network + + @property + def is_reserved(self): + """Test if the address is otherwise IETF reserved. + + Returns: + A boolean, True if the address is within one of the + reserved IPv6 Network ranges. + + """ + return any(self in x for x in self._constants._reserved_networks) + + @property + def is_link_local(self): + """Test if the address is reserved for link-local. + + Returns: + A boolean, True if the address is reserved per RFC 4291. + + """ + return self in self._constants._linklocal_network + + @property + def is_site_local(self): + """Test if the address is reserved for site-local. + + Note that the site-local address space has been deprecated by RFC 3879. + Use is_private to test if this address is in the space of unique local + addresses as defined by RFC 4193. + + Returns: + A boolean, True if the address is reserved per RFC 3513 2.5.6. + + """ + return self in self._constants._sitelocal_network + + @property + def is_private(self): + """Test if this address is allocated for private networks. + + Returns: + A boolean, True if the address is reserved per + iana-ipv6-special-registry. + + """ + return any(self in net for net in self._constants._private_networks) + + @property + def is_global(self): + """Test if this address is allocated for public networks. + + Returns: + A boolean, true if the address is not reserved per + iana-ipv6-special-registry. + + """ + return not self.is_private + + @property + def is_unspecified(self): + """Test if the address is unspecified. + + Returns: + A boolean, True if this is the unspecified address as defined in + RFC 2373 2.5.2. + + """ + return self._ip == 0 + + @property + def is_loopback(self): + """Test if the address is a loopback address. + + Returns: + A boolean, True if the address is a loopback address as defined in + RFC 2373 2.5.3. + + """ + return self._ip == 1 + + @property + def ipv4_mapped(self): + """Return the IPv4 mapped address. + + Returns: + If the IPv6 address is a v4 mapped address, return the + IPv4 mapped address. Return None otherwise. + + """ + if (self._ip >> 32) != 0xFFFF: + return None + return IPv4Address(self._ip & 0xFFFFFFFF) + + @property + def teredo(self): + """Tuple of embedded teredo IPs. + + Returns: + Tuple of the (server, client) IPs or None if the address + doesn't appear to be a teredo address (doesn't start with + 2001::/32) + + """ + if (self._ip >> 96) != 0x20010000: + return None + return (IPv4Address((self._ip >> 64) & 0xFFFFFFFF), + IPv4Address(~self._ip & 0xFFFFFFFF)) + + @property + def sixtofour(self): + """Return the IPv4 6to4 embedded address. + + Returns: + The IPv4 6to4-embedded address if present or None if the + address doesn't appear to contain a 6to4 embedded address. + + """ + if (self._ip >> 112) != 0x2002: + return None + return IPv4Address((self._ip >> 80) & 0xFFFFFFFF) + + +class IPv6Interface(IPv6Address): + + def __init__(self, address): + if isinstance(address, (bytes, _compat_int_types)): + IPv6Address.__init__(self, address) + self.network = IPv6Network(self._ip) + self._prefixlen = self._max_prefixlen + return + if isinstance(address, tuple): + IPv6Address.__init__(self, address[0]) + if len(address) > 1: + self._prefixlen = int(address[1]) + else: + self._prefixlen = self._max_prefixlen + self.network = IPv6Network(address, strict=False) + self.netmask = self.network.netmask + self.hostmask = self.network.hostmask + return + + addr = _split_optional_netmask(address) + IPv6Address.__init__(self, addr[0]) + self.network = IPv6Network(address, strict=False) + self.netmask = self.network.netmask + self._prefixlen = self.network._prefixlen + self.hostmask = self.network.hostmask + + def __str__(self): + return '%s/%d' % (self._string_from_ip_int(self._ip), + self.network.prefixlen) + + def __eq__(self, other): + address_equal = IPv6Address.__eq__(self, other) + if not address_equal or address_equal is NotImplemented: + return address_equal + try: + return self.network == other.network + except AttributeError: + # An interface with an associated network is NOT the + # same as an unassociated address. That's why the hash + # takes the extra info into account. + return False + + def __lt__(self, other): + address_less = IPv6Address.__lt__(self, other) + if address_less is NotImplemented: + return NotImplemented + try: + return (self.network < other.network or + self.network == other.network and address_less) + except AttributeError: + # We *do* allow addresses and interfaces to be sorted. The + # unassociated address is considered less than all interfaces. + return False + + def __hash__(self): + return self._ip ^ self._prefixlen ^ int(self.network.network_address) + + __reduce__ = _IPAddressBase.__reduce__ + + @property + def ip(self): + return IPv6Address(self._ip) + + @property + def with_prefixlen(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self._prefixlen) + + @property + def with_netmask(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self.netmask) + + @property + def with_hostmask(self): + return '%s/%s' % (self._string_from_ip_int(self._ip), + self.hostmask) + + @property + def is_unspecified(self): + return self._ip == 0 and self.network.is_unspecified + + @property + def is_loopback(self): + return self._ip == 1 and self.network.is_loopback + + +class IPv6Network(_BaseV6, _BaseNetwork): + + """This class represents and manipulates 128-bit IPv6 networks. + + Attributes: [examples for IPv6('2001:db8::1000/124')] + .network_address: IPv6Address('2001:db8::1000') + .hostmask: IPv6Address('::f') + .broadcast_address: IPv6Address('2001:db8::100f') + .netmask: IPv6Address('ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0') + .prefixlen: 124 + + """ + + # Class to use when creating address objects + _address_class = IPv6Address + + def __init__(self, address, strict=True): + """Instantiate a new IPv6 Network object. + + Args: + address: A string or integer representing the IPv6 network or the + IP and prefix/netmask. + '2001:db8::/128' + '2001:db8:0000:0000:0000:0000:0000:0000/128' + '2001:db8::' + are all functionally the same in IPv6. That is to say, + failing to provide a subnetmask will create an object with + a mask of /128. + + Additionally, an integer can be passed, so + IPv6Network('2001:db8::') == + IPv6Network(42540766411282592856903984951653826560) + or, more generally + IPv6Network(int(IPv6Network('2001:db8::'))) == + IPv6Network('2001:db8::') + + strict: A boolean. If true, ensure that we have been passed + A true network address, eg, 2001:db8::1000/124 and not an + IP address on a network, eg, 2001:db8::1/124. + + Raises: + AddressValueError: If address isn't a valid IPv6 address. + NetmaskValueError: If the netmask isn't valid for + an IPv6 address. + ValueError: If strict was True and a network address was not + supplied. + + """ + _BaseNetwork.__init__(self, address) + + # Efficient constructor from integer or packed address + if isinstance(address, (bytes, _compat_int_types)): + self.network_address = IPv6Address(address) + self.netmask, self._prefixlen = self._make_netmask( + self._max_prefixlen) + return + + if isinstance(address, tuple): + if len(address) > 1: + arg = address[1] + else: + arg = self._max_prefixlen + self.netmask, self._prefixlen = self._make_netmask(arg) + self.network_address = IPv6Address(address[0]) + packed = int(self.network_address) + if packed & int(self.netmask) != packed: + if strict: + raise ValueError('%s has host bits set' % self) + else: + self.network_address = IPv6Address(packed & + int(self.netmask)) + return + + # Assume input argument to be string or any object representation + # which converts into a formatted IP prefix string. + addr = _split_optional_netmask(address) + + self.network_address = IPv6Address(self._ip_int_from_string(addr[0])) + + if len(addr) == 2: + arg = addr[1] + else: + arg = self._max_prefixlen + self.netmask, self._prefixlen = self._make_netmask(arg) + + if strict: + if (IPv6Address(int(self.network_address) & int(self.netmask)) != + self.network_address): + raise ValueError('%s has host bits set' % self) + self.network_address = IPv6Address(int(self.network_address) & + int(self.netmask)) + + if self._prefixlen == (self._max_prefixlen - 1): + self.hosts = self.__iter__ + + def hosts(self): + """Generate Iterator over usable hosts in a network. + + This is like __iter__ except it doesn't return the + Subnet-Router anycast address. + + """ + network = int(self.network_address) + broadcast = int(self.broadcast_address) + for x in _compat_range(network + 1, broadcast + 1): + yield self._address_class(x) + + @property + def is_site_local(self): + """Test if the address is reserved for site-local. + + Note that the site-local address space has been deprecated by RFC 3879. + Use is_private to test if this address is in the space of unique local + addresses as defined by RFC 4193. + + Returns: + A boolean, True if the address is reserved per RFC 3513 2.5.6. + + """ + return (self.network_address.is_site_local and + self.broadcast_address.is_site_local) + + +class _IPv6Constants(object): + + _linklocal_network = IPv6Network('fe80::/10') + + _multicast_network = IPv6Network('ff00::/8') + + _private_networks = [ + IPv6Network('::1/128'), + IPv6Network('::/128'), + IPv6Network('::ffff:0:0/96'), + IPv6Network('100::/64'), + IPv6Network('2001::/23'), + IPv6Network('2001:2::/48'), + IPv6Network('2001:db8::/32'), + IPv6Network('2001:10::/28'), + IPv6Network('fc00::/7'), + IPv6Network('fe80::/10'), + ] + + _reserved_networks = [ + IPv6Network('::/8'), IPv6Network('100::/8'), + IPv6Network('200::/7'), IPv6Network('400::/6'), + IPv6Network('800::/5'), IPv6Network('1000::/4'), + IPv6Network('4000::/3'), IPv6Network('6000::/3'), + IPv6Network('8000::/3'), IPv6Network('A000::/3'), + IPv6Network('C000::/3'), IPv6Network('E000::/4'), + IPv6Network('F000::/5'), IPv6Network('F800::/6'), + IPv6Network('FE00::/9'), + ] + + _sitelocal_network = IPv6Network('fec0::/10') + + +IPv6Address._constants = _IPv6Constants diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/__init__.py new file mode 100644 index 0000000..a6f44a5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/__init__.py @@ -0,0 +1,347 @@ +# -*- coding: utf-8 -*- + +""" +lockfile.py - Platform-independent advisory file locks. + +Requires Python 2.5 unless you apply 2.4.diff +Locking is done on a per-thread basis instead of a per-process basis. + +Usage: + +>>> lock = LockFile('somefile') +>>> try: +... lock.acquire() +... except AlreadyLocked: +... print 'somefile', 'is locked already.' +... except LockFailed: +... print 'somefile', 'can\\'t be locked.' +... else: +... print 'got lock' +got lock +>>> print lock.is_locked() +True +>>> lock.release() + +>>> lock = LockFile('somefile') +>>> print lock.is_locked() +False +>>> with lock: +... print lock.is_locked() +True +>>> print lock.is_locked() +False + +>>> lock = LockFile('somefile') +>>> # It is okay to lock twice from the same thread... +>>> with lock: +... lock.acquire() +... +>>> # Though no counter is kept, so you can't unlock multiple times... +>>> print lock.is_locked() +False + +Exceptions: + + Error - base class for other exceptions + LockError - base class for all locking exceptions + AlreadyLocked - Another thread or process already holds the lock + LockFailed - Lock failed for some other reason + UnlockError - base class for all unlocking exceptions + AlreadyUnlocked - File was not locked. + NotMyLock - File was locked but not by the current thread/process +""" + +from __future__ import absolute_import + +import functools +import os +import socket +import threading +import warnings + +# Work with PEP8 and non-PEP8 versions of threading module. +if not hasattr(threading, "current_thread"): + threading.current_thread = threading.currentThread +if not hasattr(threading.Thread, "get_name"): + threading.Thread.get_name = threading.Thread.getName + +__all__ = ['Error', 'LockError', 'LockTimeout', 'AlreadyLocked', + 'LockFailed', 'UnlockError', 'NotLocked', 'NotMyLock', + 'LinkFileLock', 'MkdirFileLock', 'SQLiteFileLock', + 'LockBase', 'locked'] + + +class Error(Exception): + """ + Base class for other exceptions. + + >>> try: + ... raise Error + ... except Exception: + ... pass + """ + pass + + +class LockError(Error): + """ + Base class for error arising from attempts to acquire the lock. + + >>> try: + ... raise LockError + ... except Error: + ... pass + """ + pass + + +class LockTimeout(LockError): + """Raised when lock creation fails within a user-defined period of time. + + >>> try: + ... raise LockTimeout + ... except LockError: + ... pass + """ + pass + + +class AlreadyLocked(LockError): + """Some other thread/process is locking the file. + + >>> try: + ... raise AlreadyLocked + ... except LockError: + ... pass + """ + pass + + +class LockFailed(LockError): + """Lock file creation failed for some other reason. + + >>> try: + ... raise LockFailed + ... except LockError: + ... pass + """ + pass + + +class UnlockError(Error): + """ + Base class for errors arising from attempts to release the lock. + + >>> try: + ... raise UnlockError + ... except Error: + ... pass + """ + pass + + +class NotLocked(UnlockError): + """Raised when an attempt is made to unlock an unlocked file. + + >>> try: + ... raise NotLocked + ... except UnlockError: + ... pass + """ + pass + + +class NotMyLock(UnlockError): + """Raised when an attempt is made to unlock a file someone else locked. + + >>> try: + ... raise NotMyLock + ... except UnlockError: + ... pass + """ + pass + + +class _SharedBase(object): + def __init__(self, path): + self.path = path + + def acquire(self, timeout=None): + """ + Acquire the lock. + + * If timeout is omitted (or None), wait forever trying to lock the + file. + + * If timeout > 0, try to acquire the lock for that many seconds. If + the lock period expires and the file is still locked, raise + LockTimeout. + + * If timeout <= 0, raise AlreadyLocked immediately if the file is + already locked. + """ + raise NotImplemented("implement in subclass") + + def release(self): + """ + Release the lock. + + If the file is not locked, raise NotLocked. + """ + raise NotImplemented("implement in subclass") + + def __enter__(self): + """ + Context manager support. + """ + self.acquire() + return self + + def __exit__(self, *_exc): + """ + Context manager support. + """ + self.release() + + def __repr__(self): + return "<%s: %r>" % (self.__class__.__name__, self.path) + + +class LockBase(_SharedBase): + """Base class for platform-specific lock classes.""" + def __init__(self, path, threaded=True, timeout=None): + """ + >>> lock = LockBase('somefile') + >>> lock = LockBase('somefile', threaded=False) + """ + super(LockBase, self).__init__(path) + self.lock_file = os.path.abspath(path) + ".lock" + self.hostname = socket.gethostname() + self.pid = os.getpid() + if threaded: + t = threading.current_thread() + # Thread objects in Python 2.4 and earlier do not have ident + # attrs. Worm around that. + ident = getattr(t, "ident", hash(t)) + self.tname = "-%x" % (ident & 0xffffffff) + else: + self.tname = "" + dirname = os.path.dirname(self.lock_file) + + # unique name is mostly about the current process, but must + # also contain the path -- otherwise, two adjacent locked + # files conflict (one file gets locked, creating lock-file and + # unique file, the other one gets locked, creating lock-file + # and overwriting the already existing lock-file, then one + # gets unlocked, deleting both lock-file and unique file, + # finally the last lock errors out upon releasing. + self.unique_name = os.path.join(dirname, + "%s%s.%s%s" % (self.hostname, + self.tname, + self.pid, + hash(self.path))) + self.timeout = timeout + + def is_locked(self): + """ + Tell whether or not the file is locked. + """ + raise NotImplemented("implement in subclass") + + def i_am_locking(self): + """ + Return True if this object is locking the file. + """ + raise NotImplemented("implement in subclass") + + def break_lock(self): + """ + Remove a lock. Useful if a locking thread failed to unlock. + """ + raise NotImplemented("implement in subclass") + + def __repr__(self): + return "<%s: %r -- %r>" % (self.__class__.__name__, self.unique_name, + self.path) + + +def _fl_helper(cls, mod, *args, **kwds): + warnings.warn("Import from %s module instead of lockfile package" % mod, + DeprecationWarning, stacklevel=2) + # This is a bit funky, but it's only for awhile. The way the unit tests + # are constructed this function winds up as an unbound method, so it + # actually takes three args, not two. We want to toss out self. + if not isinstance(args[0], str): + # We are testing, avoid the first arg + args = args[1:] + if len(args) == 1 and not kwds: + kwds["threaded"] = True + return cls(*args, **kwds) + + +def LinkFileLock(*args, **kwds): + """Factory function provided for backwards compatibility. + + Do not use in new code. Instead, import LinkLockFile from the + lockfile.linklockfile module. + """ + from . import linklockfile + return _fl_helper(linklockfile.LinkLockFile, "lockfile.linklockfile", + *args, **kwds) + + +def MkdirFileLock(*args, **kwds): + """Factory function provided for backwards compatibility. + + Do not use in new code. Instead, import MkdirLockFile from the + lockfile.mkdirlockfile module. + """ + from . import mkdirlockfile + return _fl_helper(mkdirlockfile.MkdirLockFile, "lockfile.mkdirlockfile", + *args, **kwds) + + +def SQLiteFileLock(*args, **kwds): + """Factory function provided for backwards compatibility. + + Do not use in new code. Instead, import SQLiteLockFile from the + lockfile.mkdirlockfile module. + """ + from . import sqlitelockfile + return _fl_helper(sqlitelockfile.SQLiteLockFile, "lockfile.sqlitelockfile", + *args, **kwds) + + +def locked(path, timeout=None): + """Decorator which enables locks for decorated function. + + Arguments: + - path: path for lockfile. + - timeout (optional): Timeout for acquiring lock. + + Usage: + @locked('/var/run/myname', timeout=0) + def myname(...): + ... + """ + def decor(func): + @functools.wraps(func) + def wrapper(*args, **kwargs): + lock = FileLock(path, timeout=timeout) + lock.acquire() + try: + return func(*args, **kwargs) + finally: + lock.release() + return wrapper + return decor + + +if hasattr(os, "link"): + from . import linklockfile as _llf + LockFile = _llf.LinkLockFile +else: + from . import mkdirlockfile as _mlf + LockFile = _mlf.MkdirLockFile + +FileLock = LockFile diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/linklockfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/linklockfile.py new file mode 100644 index 0000000..2ca9be0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/linklockfile.py @@ -0,0 +1,73 @@ +from __future__ import absolute_import + +import time +import os + +from . import (LockBase, LockFailed, NotLocked, NotMyLock, LockTimeout, + AlreadyLocked) + + +class LinkLockFile(LockBase): + """Lock access to a file using atomic property of link(2). + + >>> lock = LinkLockFile('somefile') + >>> lock = LinkLockFile('somefile', threaded=False) + """ + + def acquire(self, timeout=None): + try: + open(self.unique_name, "wb").close() + except IOError: + raise LockFailed("failed to create %s" % self.unique_name) + + timeout = timeout if timeout is not None else self.timeout + end_time = time.time() + if timeout is not None and timeout > 0: + end_time += timeout + + while True: + # Try and create a hard link to it. + try: + os.link(self.unique_name, self.lock_file) + except OSError: + # Link creation failed. Maybe we've double-locked? + nlinks = os.stat(self.unique_name).st_nlink + if nlinks == 2: + # The original link plus the one I created == 2. We're + # good to go. + return + else: + # Otherwise the lock creation failed. + if timeout is not None and time.time() > end_time: + os.unlink(self.unique_name) + if timeout > 0: + raise LockTimeout("Timeout waiting to acquire" + " lock for %s" % + self.path) + else: + raise AlreadyLocked("%s is already locked" % + self.path) + time.sleep(timeout is not None and timeout / 10 or 0.1) + else: + # Link creation succeeded. We're good to go. + return + + def release(self): + if not self.is_locked(): + raise NotLocked("%s is not locked" % self.path) + elif not os.path.exists(self.unique_name): + raise NotMyLock("%s is locked, but not by me" % self.path) + os.unlink(self.unique_name) + os.unlink(self.lock_file) + + def is_locked(self): + return os.path.exists(self.lock_file) + + def i_am_locking(self): + return (self.is_locked() and + os.path.exists(self.unique_name) and + os.stat(self.unique_name).st_nlink == 2) + + def break_lock(self): + if os.path.exists(self.lock_file): + os.unlink(self.lock_file) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/mkdirlockfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/mkdirlockfile.py new file mode 100644 index 0000000..05a8c96 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/mkdirlockfile.py @@ -0,0 +1,84 @@ +from __future__ import absolute_import, division + +import time +import os +import sys +import errno + +from . import (LockBase, LockFailed, NotLocked, NotMyLock, LockTimeout, + AlreadyLocked) + + +class MkdirLockFile(LockBase): + """Lock file by creating a directory.""" + def __init__(self, path, threaded=True, timeout=None): + """ + >>> lock = MkdirLockFile('somefile') + >>> lock = MkdirLockFile('somefile', threaded=False) + """ + LockBase.__init__(self, path, threaded, timeout) + # Lock file itself is a directory. Place the unique file name into + # it. + self.unique_name = os.path.join(self.lock_file, + "%s.%s%s" % (self.hostname, + self.tname, + self.pid)) + + def acquire(self, timeout=None): + timeout = timeout if timeout is not None else self.timeout + end_time = time.time() + if timeout is not None and timeout > 0: + end_time += timeout + + if timeout is None: + wait = 0.1 + else: + wait = max(0, timeout / 10) + + while True: + try: + os.mkdir(self.lock_file) + except OSError: + err = sys.exc_info()[1] + if err.errno == errno.EEXIST: + # Already locked. + if os.path.exists(self.unique_name): + # Already locked by me. + return + if timeout is not None and time.time() > end_time: + if timeout > 0: + raise LockTimeout("Timeout waiting to acquire" + " lock for %s" % + self.path) + else: + # Someone else has the lock. + raise AlreadyLocked("%s is already locked" % + self.path) + time.sleep(wait) + else: + # Couldn't create the lock for some other reason + raise LockFailed("failed to create %s" % self.lock_file) + else: + open(self.unique_name, "wb").close() + return + + def release(self): + if not self.is_locked(): + raise NotLocked("%s is not locked" % self.path) + elif not os.path.exists(self.unique_name): + raise NotMyLock("%s is locked, but not by me" % self.path) + os.unlink(self.unique_name) + os.rmdir(self.lock_file) + + def is_locked(self): + return os.path.exists(self.lock_file) + + def i_am_locking(self): + return (self.is_locked() and + os.path.exists(self.unique_name)) + + def break_lock(self): + if os.path.exists(self.lock_file): + for name in os.listdir(self.lock_file): + os.unlink(os.path.join(self.lock_file, name)) + os.rmdir(self.lock_file) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/pidlockfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/pidlockfile.py new file mode 100644 index 0000000..069e85b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/pidlockfile.py @@ -0,0 +1,190 @@ +# -*- coding: utf-8 -*- + +# pidlockfile.py +# +# Copyright © 2008–2009 Ben Finney <ben+python@benfinney.id.au> +# +# This is free software: you may copy, modify, and/or distribute this work +# under the terms of the Python Software Foundation License, version 2 or +# later as published by the Python Software Foundation. +# No warranty expressed or implied. See the file LICENSE.PSF-2 for details. + +""" Lockfile behaviour implemented via Unix PID files. + """ + +from __future__ import absolute_import + +import errno +import os +import time + +from . import (LockBase, AlreadyLocked, LockFailed, NotLocked, NotMyLock, + LockTimeout) + + +class PIDLockFile(LockBase): + """ Lockfile implemented as a Unix PID file. + + The lock file is a normal file named by the attribute `path`. + A lock's PID file contains a single line of text, containing + the process ID (PID) of the process that acquired the lock. + + >>> lock = PIDLockFile('somefile') + >>> lock = PIDLockFile('somefile') + """ + + def __init__(self, path, threaded=False, timeout=None): + # pid lockfiles don't support threaded operation, so always force + # False as the threaded arg. + LockBase.__init__(self, path, False, timeout) + self.unique_name = self.path + + def read_pid(self): + """ Get the PID from the lock file. + """ + return read_pid_from_pidfile(self.path) + + def is_locked(self): + """ Test if the lock is currently held. + + The lock is held if the PID file for this lock exists. + + """ + return os.path.exists(self.path) + + def i_am_locking(self): + """ Test if the lock is held by the current process. + + Returns ``True`` if the current process ID matches the + number stored in the PID file. + """ + return self.is_locked() and os.getpid() == self.read_pid() + + def acquire(self, timeout=None): + """ Acquire the lock. + + Creates the PID file for this lock, or raises an error if + the lock could not be acquired. + """ + + timeout = timeout if timeout is not None else self.timeout + end_time = time.time() + if timeout is not None and timeout > 0: + end_time += timeout + + while True: + try: + write_pid_to_pidfile(self.path) + except OSError as exc: + if exc.errno == errno.EEXIST: + # The lock creation failed. Maybe sleep a bit. + if time.time() > end_time: + if timeout is not None and timeout > 0: + raise LockTimeout("Timeout waiting to acquire" + " lock for %s" % + self.path) + else: + raise AlreadyLocked("%s is already locked" % + self.path) + time.sleep(timeout is not None and timeout / 10 or 0.1) + else: + raise LockFailed("failed to create %s" % self.path) + else: + return + + def release(self): + """ Release the lock. + + Removes the PID file to release the lock, or raises an + error if the current process does not hold the lock. + + """ + if not self.is_locked(): + raise NotLocked("%s is not locked" % self.path) + if not self.i_am_locking(): + raise NotMyLock("%s is locked, but not by me" % self.path) + remove_existing_pidfile(self.path) + + def break_lock(self): + """ Break an existing lock. + + Removes the PID file if it already exists, otherwise does + nothing. + + """ + remove_existing_pidfile(self.path) + + +def read_pid_from_pidfile(pidfile_path): + """ Read the PID recorded in the named PID file. + + Read and return the numeric PID recorded as text in the named + PID file. If the PID file cannot be read, or if the content is + not a valid PID, return ``None``. + + """ + pid = None + try: + pidfile = open(pidfile_path, 'r') + except IOError: + pass + else: + # According to the FHS 2.3 section on PID files in /var/run: + # + # The file must consist of the process identifier in + # ASCII-encoded decimal, followed by a newline character. + # + # Programs that read PID files should be somewhat flexible + # in what they accept; i.e., they should ignore extra + # whitespace, leading zeroes, absence of the trailing + # newline, or additional lines in the PID file. + + line = pidfile.readline().strip() + try: + pid = int(line) + except ValueError: + pass + pidfile.close() + + return pid + + +def write_pid_to_pidfile(pidfile_path): + """ Write the PID in the named PID file. + + Get the numeric process ID (“PID”) of the current process + and write it to the named file as a line of text. + + """ + open_flags = (os.O_CREAT | os.O_EXCL | os.O_WRONLY) + open_mode = 0o644 + pidfile_fd = os.open(pidfile_path, open_flags, open_mode) + pidfile = os.fdopen(pidfile_fd, 'w') + + # According to the FHS 2.3 section on PID files in /var/run: + # + # The file must consist of the process identifier in + # ASCII-encoded decimal, followed by a newline character. For + # example, if crond was process number 25, /var/run/crond.pid + # would contain three characters: two, five, and newline. + + pid = os.getpid() + pidfile.write("%s\n" % pid) + pidfile.close() + + +def remove_existing_pidfile(pidfile_path): + """ Remove the named PID file if it exists. + + Removing a PID file that doesn't already exist puts us in the + desired state, so we ignore the condition if the file does not + exist. + + """ + try: + os.remove(pidfile_path) + except OSError as exc: + if exc.errno == errno.ENOENT: + pass + else: + raise diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/sqlitelockfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/sqlitelockfile.py new file mode 100644 index 0000000..f997e24 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/sqlitelockfile.py @@ -0,0 +1,156 @@ +from __future__ import absolute_import, division + +import time +import os + +try: + unicode +except NameError: + unicode = str + +from . import LockBase, NotLocked, NotMyLock, LockTimeout, AlreadyLocked + + +class SQLiteLockFile(LockBase): + "Demonstrate SQL-based locking." + + testdb = None + + def __init__(self, path, threaded=True, timeout=None): + """ + >>> lock = SQLiteLockFile('somefile') + >>> lock = SQLiteLockFile('somefile', threaded=False) + """ + LockBase.__init__(self, path, threaded, timeout) + self.lock_file = unicode(self.lock_file) + self.unique_name = unicode(self.unique_name) + + if SQLiteLockFile.testdb is None: + import tempfile + _fd, testdb = tempfile.mkstemp() + os.close(_fd) + os.unlink(testdb) + del _fd, tempfile + SQLiteLockFile.testdb = testdb + + import sqlite3 + self.connection = sqlite3.connect(SQLiteLockFile.testdb) + + c = self.connection.cursor() + try: + c.execute("create table locks" + "(" + " lock_file varchar(32)," + " unique_name varchar(32)" + ")") + except sqlite3.OperationalError: + pass + else: + self.connection.commit() + import atexit + atexit.register(os.unlink, SQLiteLockFile.testdb) + + def acquire(self, timeout=None): + timeout = timeout if timeout is not None else self.timeout + end_time = time.time() + if timeout is not None and timeout > 0: + end_time += timeout + + if timeout is None: + wait = 0.1 + elif timeout <= 0: + wait = 0 + else: + wait = timeout / 10 + + cursor = self.connection.cursor() + + while True: + if not self.is_locked(): + # Not locked. Try to lock it. + cursor.execute("insert into locks" + " (lock_file, unique_name)" + " values" + " (?, ?)", + (self.lock_file, self.unique_name)) + self.connection.commit() + + # Check to see if we are the only lock holder. + cursor.execute("select * from locks" + " where unique_name = ?", + (self.unique_name,)) + rows = cursor.fetchall() + if len(rows) > 1: + # Nope. Someone else got there. Remove our lock. + cursor.execute("delete from locks" + " where unique_name = ?", + (self.unique_name,)) + self.connection.commit() + else: + # Yup. We're done, so go home. + return + else: + # Check to see if we are the only lock holder. + cursor.execute("select * from locks" + " where unique_name = ?", + (self.unique_name,)) + rows = cursor.fetchall() + if len(rows) == 1: + # We're the locker, so go home. + return + + # Maybe we should wait a bit longer. + if timeout is not None and time.time() > end_time: + if timeout > 0: + # No more waiting. + raise LockTimeout("Timeout waiting to acquire" + " lock for %s" % + self.path) + else: + # Someone else has the lock and we are impatient.. + raise AlreadyLocked("%s is already locked" % self.path) + + # Well, okay. We'll give it a bit longer. + time.sleep(wait) + + def release(self): + if not self.is_locked(): + raise NotLocked("%s is not locked" % self.path) + if not self.i_am_locking(): + raise NotMyLock("%s is locked, but not by me (by %s)" % + (self.unique_name, self._who_is_locking())) + cursor = self.connection.cursor() + cursor.execute("delete from locks" + " where unique_name = ?", + (self.unique_name,)) + self.connection.commit() + + def _who_is_locking(self): + cursor = self.connection.cursor() + cursor.execute("select unique_name from locks" + " where lock_file = ?", + (self.lock_file,)) + return cursor.fetchone()[0] + + def is_locked(self): + cursor = self.connection.cursor() + cursor.execute("select * from locks" + " where lock_file = ?", + (self.lock_file,)) + rows = cursor.fetchall() + return not not rows + + def i_am_locking(self): + cursor = self.connection.cursor() + cursor.execute("select * from locks" + " where lock_file = ?" + " and unique_name = ?", + (self.lock_file, self.unique_name)) + return not not cursor.fetchall() + + def break_lock(self): + cursor = self.connection.cursor() + cursor.execute("delete from locks" + " where lock_file = ?", + (self.lock_file,)) + self.connection.commit() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/symlinklockfile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/symlinklockfile.py new file mode 100644 index 0000000..23b41f5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/lockfile/symlinklockfile.py @@ -0,0 +1,70 @@ +from __future__ import absolute_import + +import os +import time + +from . import (LockBase, NotLocked, NotMyLock, LockTimeout, + AlreadyLocked) + + +class SymlinkLockFile(LockBase): + """Lock access to a file using symlink(2).""" + + def __init__(self, path, threaded=True, timeout=None): + # super(SymlinkLockFile).__init(...) + LockBase.__init__(self, path, threaded, timeout) + # split it back! + self.unique_name = os.path.split(self.unique_name)[1] + + def acquire(self, timeout=None): + # Hopefully unnecessary for symlink. + # try: + # open(self.unique_name, "wb").close() + # except IOError: + # raise LockFailed("failed to create %s" % self.unique_name) + timeout = timeout if timeout is not None else self.timeout + end_time = time.time() + if timeout is not None and timeout > 0: + end_time += timeout + + while True: + # Try and create a symbolic link to it. + try: + os.symlink(self.unique_name, self.lock_file) + except OSError: + # Link creation failed. Maybe we've double-locked? + if self.i_am_locking(): + # Linked to out unique name. Proceed. + return + else: + # Otherwise the lock creation failed. + if timeout is not None and time.time() > end_time: + if timeout > 0: + raise LockTimeout("Timeout waiting to acquire" + " lock for %s" % + self.path) + else: + raise AlreadyLocked("%s is already locked" % + self.path) + time.sleep(timeout / 10 if timeout is not None else 0.1) + else: + # Link creation succeeded. We're good to go. + return + + def release(self): + if not self.is_locked(): + raise NotLocked("%s is not locked" % self.path) + elif not self.i_am_locking(): + raise NotMyLock("%s is locked, but not by me" % self.path) + os.unlink(self.lock_file) + + def is_locked(self): + return os.path.islink(self.lock_file) + + def i_am_locking(self): + return (os.path.islink(self.lock_file) + and os.readlink(self.lock_file) == self.unique_name) + + def break_lock(self): + if os.path.islink(self.lock_file): # exists && link + os.unlink(self.lock_file) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/__init__.py new file mode 100644 index 0000000..2afca5a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/__init__.py @@ -0,0 +1,66 @@ +# coding: utf-8 +from pip._vendor.msgpack._version import version +from pip._vendor.msgpack.exceptions import * + +from collections import namedtuple + + +class ExtType(namedtuple('ExtType', 'code data')): + """ExtType represents ext type in msgpack.""" + def __new__(cls, code, data): + if not isinstance(code, int): + raise TypeError("code must be int") + if not isinstance(data, bytes): + raise TypeError("data must be bytes") + if not 0 <= code <= 127: + raise ValueError("code must be 0~127") + return super(ExtType, cls).__new__(cls, code, data) + + +import os +if os.environ.get('MSGPACK_PUREPYTHON'): + from pip._vendor.msgpack.fallback import Packer, unpackb, Unpacker +else: + try: + from pip._vendor.msgpack._packer import Packer + from pip._vendor.msgpack._unpacker import unpackb, Unpacker + except ImportError: + from pip._vendor.msgpack.fallback import Packer, unpackb, Unpacker + + +def pack(o, stream, **kwargs): + """ + Pack object `o` and write it to `stream` + + See :class:`Packer` for options. + """ + packer = Packer(**kwargs) + stream.write(packer.pack(o)) + + +def packb(o, **kwargs): + """ + Pack object `o` and return packed bytes + + See :class:`Packer` for options. + """ + return Packer(**kwargs).pack(o) + + +def unpack(stream, **kwargs): + """ + Unpack an object from `stream`. + + Raises `ExtraData` when `stream` contains extra bytes. + See :class:`Unpacker` for options. + """ + data = stream.read() + return unpackb(data, **kwargs) + + +# alias for compatibility to simplejson/marshal/pickle. +load = unpack +loads = unpackb + +dump = pack +dumps = packb diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/_version.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/_version.py new file mode 100644 index 0000000..d28f0de --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/_version.py @@ -0,0 +1 @@ +version = (0, 5, 6) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/exceptions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/exceptions.py new file mode 100644 index 0000000..9766881 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/exceptions.py @@ -0,0 +1,41 @@ +class UnpackException(Exception): + """Deprecated. Use Exception instead to catch all exception during unpacking.""" + + +class BufferFull(UnpackException): + pass + + +class OutOfData(UnpackException): + pass + + +class UnpackValueError(UnpackException, ValueError): + """Deprecated. Use ValueError instead.""" + + +class ExtraData(UnpackValueError): + def __init__(self, unpacked, extra): + self.unpacked = unpacked + self.extra = extra + + def __str__(self): + return "unpack(b) received extra data." + + +class PackException(Exception): + """Deprecated. Use Exception instead to catch all exception during packing.""" + + +class PackValueError(PackException, ValueError): + """PackValueError is raised when type of input data is supported but it's value is unsupported. + + Deprecated. Use ValueError instead. + """ + + +class PackOverflowError(PackValueError, OverflowError): + """PackOverflowError is raised when integer value is out of range of msgpack support [-2**31, 2**32). + + Deprecated. Use ValueError instead. + """ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/fallback.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/fallback.py new file mode 100644 index 0000000..9418421 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/msgpack/fallback.py @@ -0,0 +1,977 @@ +"""Fallback pure Python implementation of msgpack""" + +import sys +import struct +import warnings + +if sys.version_info[0] == 3: + PY3 = True + int_types = int + Unicode = str + xrange = range + def dict_iteritems(d): + return d.items() +else: + PY3 = False + int_types = (int, long) + Unicode = unicode + def dict_iteritems(d): + return d.iteritems() + + +if hasattr(sys, 'pypy_version_info'): + # cStringIO is slow on PyPy, StringIO is faster. However: PyPy's own + # StringBuilder is fastest. + from __pypy__ import newlist_hint + try: + from __pypy__.builders import BytesBuilder as StringBuilder + except ImportError: + from __pypy__.builders import StringBuilder + USING_STRINGBUILDER = True + class StringIO(object): + def __init__(self, s=b''): + if s: + self.builder = StringBuilder(len(s)) + self.builder.append(s) + else: + self.builder = StringBuilder() + def write(self, s): + if isinstance(s, memoryview): + s = s.tobytes() + elif isinstance(s, bytearray): + s = bytes(s) + self.builder.append(s) + def getvalue(self): + return self.builder.build() +else: + USING_STRINGBUILDER = False + from io import BytesIO as StringIO + newlist_hint = lambda size: [] + + +from pip._vendor.msgpack.exceptions import ( + BufferFull, + OutOfData, + UnpackValueError, + PackValueError, + PackOverflowError, + ExtraData) + +from pip._vendor.msgpack import ExtType + + +EX_SKIP = 0 +EX_CONSTRUCT = 1 +EX_READ_ARRAY_HEADER = 2 +EX_READ_MAP_HEADER = 3 + +TYPE_IMMEDIATE = 0 +TYPE_ARRAY = 1 +TYPE_MAP = 2 +TYPE_RAW = 3 +TYPE_BIN = 4 +TYPE_EXT = 5 + +DEFAULT_RECURSE_LIMIT = 511 + + +def _check_type_strict(obj, t, type=type, tuple=tuple): + if type(t) is tuple: + return type(obj) in t + else: + return type(obj) is t + + +def _get_data_from_buffer(obj): + try: + view = memoryview(obj) + except TypeError: + # try to use legacy buffer protocol if 2.7, otherwise re-raise + if not PY3: + view = memoryview(buffer(obj)) + warnings.warn("using old buffer interface to unpack %s; " + "this leads to unpacking errors if slicing is used and " + "will be removed in a future version" % type(obj), + RuntimeWarning) + else: + raise + if view.itemsize != 1: + raise ValueError("cannot unpack from multi-byte object") + return view + + +def unpack(stream, **kwargs): + warnings.warn( + "Direct calling implementation's unpack() is deprecated, Use msgpack.unpack() or unpackb() instead.", + PendingDeprecationWarning) + data = stream.read() + return unpackb(data, **kwargs) + + +def unpackb(packed, **kwargs): + """ + Unpack an object from `packed`. + + Raises `ExtraData` when `packed` contains extra bytes. + See :class:`Unpacker` for options. + """ + unpacker = Unpacker(None, **kwargs) + unpacker.feed(packed) + try: + ret = unpacker._unpack() + except OutOfData: + raise UnpackValueError("Data is not enough.") + if unpacker._got_extradata(): + raise ExtraData(ret, unpacker._get_extradata()) + return ret + + +class Unpacker(object): + """Streaming unpacker. + + arguments: + + :param file_like: + File-like object having `.read(n)` method. + If specified, unpacker reads serialized data from it and :meth:`feed()` is not usable. + + :param int read_size: + Used as `file_like.read(read_size)`. (default: `min(16*1024, max_buffer_size)`) + + :param bool use_list: + If true, unpack msgpack array to Python list. + Otherwise, unpack to Python tuple. (default: True) + + :param bool raw: + If true, unpack msgpack raw to Python bytes (default). + Otherwise, unpack to Python str (or unicode on Python 2) by decoding + with UTF-8 encoding (recommended). + Currently, the default is true, but it will be changed to false in + near future. So you must specify it explicitly for keeping backward + compatibility. + + *encoding* option which is deprecated overrides this option. + + :param callable object_hook: + When specified, it should be callable. + Unpacker calls it with a dict argument after unpacking msgpack map. + (See also simplejson) + + :param callable object_pairs_hook: + When specified, it should be callable. + Unpacker calls it with a list of key-value pairs after unpacking msgpack map. + (See also simplejson) + + :param str encoding: + Encoding used for decoding msgpack raw. + If it is None (default), msgpack raw is deserialized to Python bytes. + + :param str unicode_errors: + (deprecated) Used for decoding msgpack raw with *encoding*. + (default: `'strict'`) + + :param int max_buffer_size: + Limits size of data waiting unpacked. 0 means system's INT_MAX (default). + Raises `BufferFull` exception when it is insufficient. + You should set this parameter when unpacking data from untrusted source. + + :param int max_str_len: + Limits max length of str. (default: 2**31-1) + + :param int max_bin_len: + Limits max length of bin. (default: 2**31-1) + + :param int max_array_len: + Limits max length of array. (default: 2**31-1) + + :param int max_map_len: + Limits max length of map. (default: 2**31-1) + + + example of streaming deserialize from file-like object:: + + unpacker = Unpacker(file_like, raw=False) + for o in unpacker: + process(o) + + example of streaming deserialize from socket:: + + unpacker = Unpacker(raw=False) + while True: + buf = sock.recv(1024**2) + if not buf: + break + unpacker.feed(buf) + for o in unpacker: + process(o) + """ + + def __init__(self, file_like=None, read_size=0, use_list=True, raw=True, + object_hook=None, object_pairs_hook=None, list_hook=None, + encoding=None, unicode_errors=None, max_buffer_size=0, + ext_hook=ExtType, + max_str_len=2147483647, # 2**32-1 + max_bin_len=2147483647, + max_array_len=2147483647, + max_map_len=2147483647, + max_ext_len=2147483647): + + if encoding is not None: + warnings.warn( + "encoding is deprecated, Use raw=False instead.", + PendingDeprecationWarning) + + if unicode_errors is None: + unicode_errors = 'strict' + + if file_like is None: + self._feeding = True + else: + if not callable(file_like.read): + raise TypeError("`file_like.read` must be callable") + self.file_like = file_like + self._feeding = False + + #: array of bytes fed. + self._buffer = bytearray() + # Some very old pythons don't support `struct.unpack_from()` with a + # `bytearray`. So we wrap it in a `buffer()` there. + if sys.version_info < (2, 7, 6): + self._buffer_view = buffer(self._buffer) + else: + self._buffer_view = self._buffer + #: Which position we currently reads + self._buff_i = 0 + + # When Unpacker is used as an iterable, between the calls to next(), + # the buffer is not "consumed" completely, for efficiency sake. + # Instead, it is done sloppily. To make sure we raise BufferFull at + # the correct moments, we have to keep track of how sloppy we were. + # Furthermore, when the buffer is incomplete (that is: in the case + # we raise an OutOfData) we need to rollback the buffer to the correct + # state, which _buf_checkpoint records. + self._buf_checkpoint = 0 + + self._max_buffer_size = max_buffer_size or 2**31-1 + if read_size > self._max_buffer_size: + raise ValueError("read_size must be smaller than max_buffer_size") + self._read_size = read_size or min(self._max_buffer_size, 16*1024) + self._raw = bool(raw) + self._encoding = encoding + self._unicode_errors = unicode_errors + self._use_list = use_list + self._list_hook = list_hook + self._object_hook = object_hook + self._object_pairs_hook = object_pairs_hook + self._ext_hook = ext_hook + self._max_str_len = max_str_len + self._max_bin_len = max_bin_len + self._max_array_len = max_array_len + self._max_map_len = max_map_len + self._max_ext_len = max_ext_len + self._stream_offset = 0 + + if list_hook is not None and not callable(list_hook): + raise TypeError('`list_hook` is not callable') + if object_hook is not None and not callable(object_hook): + raise TypeError('`object_hook` is not callable') + if object_pairs_hook is not None and not callable(object_pairs_hook): + raise TypeError('`object_pairs_hook` is not callable') + if object_hook is not None and object_pairs_hook is not None: + raise TypeError("object_pairs_hook and object_hook are mutually " + "exclusive") + if not callable(ext_hook): + raise TypeError("`ext_hook` is not callable") + + def feed(self, next_bytes): + assert self._feeding + view = _get_data_from_buffer(next_bytes) + if (len(self._buffer) - self._buff_i + len(view) > self._max_buffer_size): + raise BufferFull + + # Strip buffer before checkpoint before reading file. + if self._buf_checkpoint > 0: + del self._buffer[:self._buf_checkpoint] + self._buff_i -= self._buf_checkpoint + self._buf_checkpoint = 0 + + self._buffer += view + + def _consume(self): + """ Gets rid of the used parts of the buffer. """ + self._stream_offset += self._buff_i - self._buf_checkpoint + self._buf_checkpoint = self._buff_i + + def _got_extradata(self): + return self._buff_i < len(self._buffer) + + def _get_extradata(self): + return self._buffer[self._buff_i:] + + def read_bytes(self, n): + return self._read(n) + + def _read(self, n): + # (int) -> bytearray + self._reserve(n) + i = self._buff_i + self._buff_i = i+n + return self._buffer[i:i+n] + + def _reserve(self, n): + remain_bytes = len(self._buffer) - self._buff_i - n + + # Fast path: buffer has n bytes already + if remain_bytes >= 0: + return + + if self._feeding: + self._buff_i = self._buf_checkpoint + raise OutOfData + + # Strip buffer before checkpoint before reading file. + if self._buf_checkpoint > 0: + del self._buffer[:self._buf_checkpoint] + self._buff_i -= self._buf_checkpoint + self._buf_checkpoint = 0 + + # Read from file + remain_bytes = -remain_bytes + while remain_bytes > 0: + to_read_bytes = max(self._read_size, remain_bytes) + read_data = self.file_like.read(to_read_bytes) + if not read_data: + break + assert isinstance(read_data, bytes) + self._buffer += read_data + remain_bytes -= len(read_data) + + if len(self._buffer) < n + self._buff_i: + self._buff_i = 0 # rollback + raise OutOfData + + def _read_header(self, execute=EX_CONSTRUCT): + typ = TYPE_IMMEDIATE + n = 0 + obj = None + self._reserve(1) + b = self._buffer[self._buff_i] + self._buff_i += 1 + if b & 0b10000000 == 0: + obj = b + elif b & 0b11100000 == 0b11100000: + obj = -1 - (b ^ 0xff) + elif b & 0b11100000 == 0b10100000: + n = b & 0b00011111 + typ = TYPE_RAW + if n > self._max_str_len: + raise UnpackValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) + obj = self._read(n) + elif b & 0b11110000 == 0b10010000: + n = b & 0b00001111 + typ = TYPE_ARRAY + if n > self._max_array_len: + raise UnpackValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) + elif b & 0b11110000 == 0b10000000: + n = b & 0b00001111 + typ = TYPE_MAP + if n > self._max_map_len: + raise UnpackValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) + elif b == 0xc0: + obj = None + elif b == 0xc2: + obj = False + elif b == 0xc3: + obj = True + elif b == 0xc4: + typ = TYPE_BIN + self._reserve(1) + n = self._buffer[self._buff_i] + self._buff_i += 1 + if n > self._max_bin_len: + raise UnpackValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) + obj = self._read(n) + elif b == 0xc5: + typ = TYPE_BIN + self._reserve(2) + n = struct.unpack_from(">H", self._buffer_view, self._buff_i)[0] + self._buff_i += 2 + if n > self._max_bin_len: + raise UnpackValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) + obj = self._read(n) + elif b == 0xc6: + typ = TYPE_BIN + self._reserve(4) + n = struct.unpack_from(">I", self._buffer_view, self._buff_i)[0] + self._buff_i += 4 + if n > self._max_bin_len: + raise UnpackValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) + obj = self._read(n) + elif b == 0xc7: # ext 8 + typ = TYPE_EXT + self._reserve(2) + L, n = struct.unpack_from('Bb', self._buffer_view, self._buff_i) + self._buff_i += 2 + if L > self._max_ext_len: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) + obj = self._read(L) + elif b == 0xc8: # ext 16 + typ = TYPE_EXT + self._reserve(3) + L, n = struct.unpack_from('>Hb', self._buffer_view, self._buff_i) + self._buff_i += 3 + if L > self._max_ext_len: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) + obj = self._read(L) + elif b == 0xc9: # ext 32 + typ = TYPE_EXT + self._reserve(5) + L, n = struct.unpack_from('>Ib', self._buffer_view, self._buff_i) + self._buff_i += 5 + if L > self._max_ext_len: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) + obj = self._read(L) + elif b == 0xca: + self._reserve(4) + obj = struct.unpack_from(">f", self._buffer_view, self._buff_i)[0] + self._buff_i += 4 + elif b == 0xcb: + self._reserve(8) + obj = struct.unpack_from(">d", self._buffer_view, self._buff_i)[0] + self._buff_i += 8 + elif b == 0xcc: + self._reserve(1) + obj = self._buffer[self._buff_i] + self._buff_i += 1 + elif b == 0xcd: + self._reserve(2) + obj = struct.unpack_from(">H", self._buffer_view, self._buff_i)[0] + self._buff_i += 2 + elif b == 0xce: + self._reserve(4) + obj = struct.unpack_from(">I", self._buffer_view, self._buff_i)[0] + self._buff_i += 4 + elif b == 0xcf: + self._reserve(8) + obj = struct.unpack_from(">Q", self._buffer_view, self._buff_i)[0] + self._buff_i += 8 + elif b == 0xd0: + self._reserve(1) + obj = struct.unpack_from("b", self._buffer_view, self._buff_i)[0] + self._buff_i += 1 + elif b == 0xd1: + self._reserve(2) + obj = struct.unpack_from(">h", self._buffer_view, self._buff_i)[0] + self._buff_i += 2 + elif b == 0xd2: + self._reserve(4) + obj = struct.unpack_from(">i", self._buffer_view, self._buff_i)[0] + self._buff_i += 4 + elif b == 0xd3: + self._reserve(8) + obj = struct.unpack_from(">q", self._buffer_view, self._buff_i)[0] + self._buff_i += 8 + elif b == 0xd4: # fixext 1 + typ = TYPE_EXT + if self._max_ext_len < 1: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (1, self._max_ext_len)) + self._reserve(2) + n, obj = struct.unpack_from("b1s", self._buffer_view, self._buff_i) + self._buff_i += 2 + elif b == 0xd5: # fixext 2 + typ = TYPE_EXT + if self._max_ext_len < 2: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (2, self._max_ext_len)) + self._reserve(3) + n, obj = struct.unpack_from("b2s", self._buffer_view, self._buff_i) + self._buff_i += 3 + elif b == 0xd6: # fixext 4 + typ = TYPE_EXT + if self._max_ext_len < 4: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (4, self._max_ext_len)) + self._reserve(5) + n, obj = struct.unpack_from("b4s", self._buffer_view, self._buff_i) + self._buff_i += 5 + elif b == 0xd7: # fixext 8 + typ = TYPE_EXT + if self._max_ext_len < 8: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (8, self._max_ext_len)) + self._reserve(9) + n, obj = struct.unpack_from("b8s", self._buffer_view, self._buff_i) + self._buff_i += 9 + elif b == 0xd8: # fixext 16 + typ = TYPE_EXT + if self._max_ext_len < 16: + raise UnpackValueError("%s exceeds max_ext_len(%s)" % (16, self._max_ext_len)) + self._reserve(17) + n, obj = struct.unpack_from("b16s", self._buffer_view, self._buff_i) + self._buff_i += 17 + elif b == 0xd9: + typ = TYPE_RAW + self._reserve(1) + n = self._buffer[self._buff_i] + self._buff_i += 1 + if n > self._max_str_len: + raise UnpackValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) + obj = self._read(n) + elif b == 0xda: + typ = TYPE_RAW + self._reserve(2) + n, = struct.unpack_from(">H", self._buffer_view, self._buff_i) + self._buff_i += 2 + if n > self._max_str_len: + raise UnpackValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) + obj = self._read(n) + elif b == 0xdb: + typ = TYPE_RAW + self._reserve(4) + n, = struct.unpack_from(">I", self._buffer_view, self._buff_i) + self._buff_i += 4 + if n > self._max_str_len: + raise UnpackValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) + obj = self._read(n) + elif b == 0xdc: + typ = TYPE_ARRAY + self._reserve(2) + n, = struct.unpack_from(">H", self._buffer_view, self._buff_i) + self._buff_i += 2 + if n > self._max_array_len: + raise UnpackValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) + elif b == 0xdd: + typ = TYPE_ARRAY + self._reserve(4) + n, = struct.unpack_from(">I", self._buffer_view, self._buff_i) + self._buff_i += 4 + if n > self._max_array_len: + raise UnpackValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) + elif b == 0xde: + self._reserve(2) + n, = struct.unpack_from(">H", self._buffer_view, self._buff_i) + self._buff_i += 2 + if n > self._max_map_len: + raise UnpackValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) + typ = TYPE_MAP + elif b == 0xdf: + self._reserve(4) + n, = struct.unpack_from(">I", self._buffer_view, self._buff_i) + self._buff_i += 4 + if n > self._max_map_len: + raise UnpackValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) + typ = TYPE_MAP + else: + raise UnpackValueError("Unknown header: 0x%x" % b) + return typ, n, obj + + def _unpack(self, execute=EX_CONSTRUCT): + typ, n, obj = self._read_header(execute) + + if execute == EX_READ_ARRAY_HEADER: + if typ != TYPE_ARRAY: + raise UnpackValueError("Expected array") + return n + if execute == EX_READ_MAP_HEADER: + if typ != TYPE_MAP: + raise UnpackValueError("Expected map") + return n + # TODO should we eliminate the recursion? + if typ == TYPE_ARRAY: + if execute == EX_SKIP: + for i in xrange(n): + # TODO check whether we need to call `list_hook` + self._unpack(EX_SKIP) + return + ret = newlist_hint(n) + for i in xrange(n): + ret.append(self._unpack(EX_CONSTRUCT)) + if self._list_hook is not None: + ret = self._list_hook(ret) + # TODO is the interaction between `list_hook` and `use_list` ok? + return ret if self._use_list else tuple(ret) + if typ == TYPE_MAP: + if execute == EX_SKIP: + for i in xrange(n): + # TODO check whether we need to call hooks + self._unpack(EX_SKIP) + self._unpack(EX_SKIP) + return + if self._object_pairs_hook is not None: + ret = self._object_pairs_hook( + (self._unpack(EX_CONSTRUCT), + self._unpack(EX_CONSTRUCT)) + for _ in xrange(n)) + else: + ret = {} + for _ in xrange(n): + key = self._unpack(EX_CONSTRUCT) + ret[key] = self._unpack(EX_CONSTRUCT) + if self._object_hook is not None: + ret = self._object_hook(ret) + return ret + if execute == EX_SKIP: + return + if typ == TYPE_RAW: + if self._encoding is not None: + obj = obj.decode(self._encoding, self._unicode_errors) + elif self._raw: + obj = bytes(obj) + else: + obj = obj.decode('utf_8') + return obj + if typ == TYPE_EXT: + return self._ext_hook(n, bytes(obj)) + if typ == TYPE_BIN: + return bytes(obj) + assert typ == TYPE_IMMEDIATE + return obj + + def __iter__(self): + return self + + def __next__(self): + try: + ret = self._unpack(EX_CONSTRUCT) + self._consume() + return ret + except OutOfData: + self._consume() + raise StopIteration + + next = __next__ + + def skip(self, write_bytes=None): + self._unpack(EX_SKIP) + if write_bytes is not None: + warnings.warn("`write_bytes` option is deprecated. Use `.tell()` instead.", DeprecationWarning) + write_bytes(self._buffer[self._buf_checkpoint:self._buff_i]) + self._consume() + + def unpack(self, write_bytes=None): + ret = self._unpack(EX_CONSTRUCT) + if write_bytes is not None: + warnings.warn("`write_bytes` option is deprecated. Use `.tell()` instead.", DeprecationWarning) + write_bytes(self._buffer[self._buf_checkpoint:self._buff_i]) + self._consume() + return ret + + def read_array_header(self, write_bytes=None): + ret = self._unpack(EX_READ_ARRAY_HEADER) + if write_bytes is not None: + warnings.warn("`write_bytes` option is deprecated. Use `.tell()` instead.", DeprecationWarning) + write_bytes(self._buffer[self._buf_checkpoint:self._buff_i]) + self._consume() + return ret + + def read_map_header(self, write_bytes=None): + ret = self._unpack(EX_READ_MAP_HEADER) + if write_bytes is not None: + warnings.warn("`write_bytes` option is deprecated. Use `.tell()` instead.", DeprecationWarning) + write_bytes(self._buffer[self._buf_checkpoint:self._buff_i]) + self._consume() + return ret + + def tell(self): + return self._stream_offset + + +class Packer(object): + """ + MessagePack Packer + + usage: + + packer = Packer() + astream.write(packer.pack(a)) + astream.write(packer.pack(b)) + + Packer's constructor has some keyword arguments: + + :param callable default: + Convert user type to builtin type that Packer supports. + See also simplejson's document. + + :param bool use_single_float: + Use single precision float type for float. (default: False) + + :param bool autoreset: + Reset buffer after each pack and return its content as `bytes`. (default: True). + If set this to false, use `bytes()` to get content and `.reset()` to clear buffer. + + :param bool use_bin_type: + Use bin type introduced in msgpack spec 2.0 for bytes. + It also enables str8 type for unicode. + + :param bool strict_types: + If set to true, types will be checked to be exact. Derived classes + from serializeable types will not be serialized and will be + treated as unsupported type and forwarded to default. + Additionally tuples will not be serialized as lists. + This is useful when trying to implement accurate serialization + for python types. + + :param str encoding: + (deprecated) Convert unicode to bytes with this encoding. (default: 'utf-8') + + :param str unicode_errors: + Error handler for encoding unicode. (default: 'strict') + """ + def __init__(self, default=None, encoding=None, unicode_errors=None, + use_single_float=False, autoreset=True, use_bin_type=False, + strict_types=False): + if encoding is None: + encoding = 'utf_8' + else: + warnings.warn( + "encoding is deprecated, Use raw=False instead.", + PendingDeprecationWarning) + + if unicode_errors is None: + unicode_errors = 'strict' + + self._strict_types = strict_types + self._use_float = use_single_float + self._autoreset = autoreset + self._use_bin_type = use_bin_type + self._encoding = encoding + self._unicode_errors = unicode_errors + self._buffer = StringIO() + if default is not None: + if not callable(default): + raise TypeError("default must be callable") + self._default = default + + def _pack(self, obj, nest_limit=DEFAULT_RECURSE_LIMIT, + check=isinstance, check_type_strict=_check_type_strict): + default_used = False + if self._strict_types: + check = check_type_strict + list_types = list + else: + list_types = (list, tuple) + while True: + if nest_limit < 0: + raise PackValueError("recursion limit exceeded") + if obj is None: + return self._buffer.write(b"\xc0") + if check(obj, bool): + if obj: + return self._buffer.write(b"\xc3") + return self._buffer.write(b"\xc2") + if check(obj, int_types): + if 0 <= obj < 0x80: + return self._buffer.write(struct.pack("B", obj)) + if -0x20 <= obj < 0: + return self._buffer.write(struct.pack("b", obj)) + if 0x80 <= obj <= 0xff: + return self._buffer.write(struct.pack("BB", 0xcc, obj)) + if -0x80 <= obj < 0: + return self._buffer.write(struct.pack(">Bb", 0xd0, obj)) + if 0xff < obj <= 0xffff: + return self._buffer.write(struct.pack(">BH", 0xcd, obj)) + if -0x8000 <= obj < -0x80: + return self._buffer.write(struct.pack(">Bh", 0xd1, obj)) + if 0xffff < obj <= 0xffffffff: + return self._buffer.write(struct.pack(">BI", 0xce, obj)) + if -0x80000000 <= obj < -0x8000: + return self._buffer.write(struct.pack(">Bi", 0xd2, obj)) + if 0xffffffff < obj <= 0xffffffffffffffff: + return self._buffer.write(struct.pack(">BQ", 0xcf, obj)) + if -0x8000000000000000 <= obj < -0x80000000: + return self._buffer.write(struct.pack(">Bq", 0xd3, obj)) + if not default_used and self._default is not None: + obj = self._default(obj) + default_used = True + continue + raise PackOverflowError("Integer value out of range") + if check(obj, (bytes, bytearray)): + n = len(obj) + if n >= 2**32: + raise PackValueError("%s is too large" % type(obj).__name__) + self._pack_bin_header(n) + return self._buffer.write(obj) + if check(obj, Unicode): + if self._encoding is None: + raise TypeError( + "Can't encode unicode string: " + "no encoding is specified") + obj = obj.encode(self._encoding, self._unicode_errors) + n = len(obj) + if n >= 2**32: + raise PackValueError("String is too large") + self._pack_raw_header(n) + return self._buffer.write(obj) + if check(obj, memoryview): + n = len(obj) * obj.itemsize + if n >= 2**32: + raise PackValueError("Memoryview is too large") + self._pack_bin_header(n) + return self._buffer.write(obj) + if check(obj, float): + if self._use_float: + return self._buffer.write(struct.pack(">Bf", 0xca, obj)) + return self._buffer.write(struct.pack(">Bd", 0xcb, obj)) + if check(obj, ExtType): + code = obj.code + data = obj.data + assert isinstance(code, int) + assert isinstance(data, bytes) + L = len(data) + if L == 1: + self._buffer.write(b'\xd4') + elif L == 2: + self._buffer.write(b'\xd5') + elif L == 4: + self._buffer.write(b'\xd6') + elif L == 8: + self._buffer.write(b'\xd7') + elif L == 16: + self._buffer.write(b'\xd8') + elif L <= 0xff: + self._buffer.write(struct.pack(">BB", 0xc7, L)) + elif L <= 0xffff: + self._buffer.write(struct.pack(">BH", 0xc8, L)) + else: + self._buffer.write(struct.pack(">BI", 0xc9, L)) + self._buffer.write(struct.pack("b", code)) + self._buffer.write(data) + return + if check(obj, list_types): + n = len(obj) + self._pack_array_header(n) + for i in xrange(n): + self._pack(obj[i], nest_limit - 1) + return + if check(obj, dict): + return self._pack_map_pairs(len(obj), dict_iteritems(obj), + nest_limit - 1) + if not default_used and self._default is not None: + obj = self._default(obj) + default_used = 1 + continue + raise TypeError("Cannot serialize %r" % (obj, )) + + def pack(self, obj): + try: + self._pack(obj) + except: + self._buffer = StringIO() # force reset + raise + ret = self._buffer.getvalue() + if self._autoreset: + self._buffer = StringIO() + elif USING_STRINGBUILDER: + self._buffer = StringIO(ret) + return ret + + def pack_map_pairs(self, pairs): + self._pack_map_pairs(len(pairs), pairs) + ret = self._buffer.getvalue() + if self._autoreset: + self._buffer = StringIO() + elif USING_STRINGBUILDER: + self._buffer = StringIO(ret) + return ret + + def pack_array_header(self, n): + if n >= 2**32: + raise PackValueError + self._pack_array_header(n) + ret = self._buffer.getvalue() + if self._autoreset: + self._buffer = StringIO() + elif USING_STRINGBUILDER: + self._buffer = StringIO(ret) + return ret + + def pack_map_header(self, n): + if n >= 2**32: + raise PackValueError + self._pack_map_header(n) + ret = self._buffer.getvalue() + if self._autoreset: + self._buffer = StringIO() + elif USING_STRINGBUILDER: + self._buffer = StringIO(ret) + return ret + + def pack_ext_type(self, typecode, data): + if not isinstance(typecode, int): + raise TypeError("typecode must have int type.") + if not 0 <= typecode <= 127: + raise ValueError("typecode should be 0-127") + if not isinstance(data, bytes): + raise TypeError("data must have bytes type") + L = len(data) + if L > 0xffffffff: + raise PackValueError("Too large data") + if L == 1: + self._buffer.write(b'\xd4') + elif L == 2: + self._buffer.write(b'\xd5') + elif L == 4: + self._buffer.write(b'\xd6') + elif L == 8: + self._buffer.write(b'\xd7') + elif L == 16: + self._buffer.write(b'\xd8') + elif L <= 0xff: + self._buffer.write(b'\xc7' + struct.pack('B', L)) + elif L <= 0xffff: + self._buffer.write(b'\xc8' + struct.pack('>H', L)) + else: + self._buffer.write(b'\xc9' + struct.pack('>I', L)) + self._buffer.write(struct.pack('B', typecode)) + self._buffer.write(data) + + def _pack_array_header(self, n): + if n <= 0x0f: + return self._buffer.write(struct.pack('B', 0x90 + n)) + if n <= 0xffff: + return self._buffer.write(struct.pack(">BH", 0xdc, n)) + if n <= 0xffffffff: + return self._buffer.write(struct.pack(">BI", 0xdd, n)) + raise PackValueError("Array is too large") + + def _pack_map_header(self, n): + if n <= 0x0f: + return self._buffer.write(struct.pack('B', 0x80 + n)) + if n <= 0xffff: + return self._buffer.write(struct.pack(">BH", 0xde, n)) + if n <= 0xffffffff: + return self._buffer.write(struct.pack(">BI", 0xdf, n)) + raise PackValueError("Dict is too large") + + def _pack_map_pairs(self, n, pairs, nest_limit=DEFAULT_RECURSE_LIMIT): + self._pack_map_header(n) + for (k, v) in pairs: + self._pack(k, nest_limit - 1) + self._pack(v, nest_limit - 1) + + def _pack_raw_header(self, n): + if n <= 0x1f: + self._buffer.write(struct.pack('B', 0xa0 + n)) + elif self._use_bin_type and n <= 0xff: + self._buffer.write(struct.pack('>BB', 0xd9, n)) + elif n <= 0xffff: + self._buffer.write(struct.pack(">BH", 0xda, n)) + elif n <= 0xffffffff: + self._buffer.write(struct.pack(">BI", 0xdb, n)) + else: + raise PackValueError('Raw is too large') + + def _pack_bin_header(self, n): + if not self._use_bin_type: + return self._pack_raw_header(n) + elif n <= 0xff: + return self._buffer.write(struct.pack('>BB', 0xc4, n)) + elif n <= 0xffff: + return self._buffer.write(struct.pack(">BH", 0xc5, n)) + elif n <= 0xffffffff: + return self._buffer.write(struct.pack(">BI", 0xc6, n)) + else: + raise PackValueError('Bin is too large') + + def bytes(self): + return self._buffer.getvalue() + + def reset(self): + self._buffer = StringIO() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__about__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__about__.py new file mode 100644 index 0000000..7481c9e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__about__.py @@ -0,0 +1,27 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", +] + +__title__ = "packaging" +__summary__ = "Core utilities for Python packages" +__uri__ = "https://github.com/pypa/packaging" + +__version__ = "19.0" + +__author__ = "Donald Stufft and individual contributors" +__email__ = "donald@stufft.io" + +__license__ = "BSD or Apache License, Version 2.0" +__copyright__ = "Copyright 2014-2019 %s" % __author__ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__init__.py new file mode 100644 index 0000000..a0cf67d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/__init__.py @@ -0,0 +1,26 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +from .__about__ import ( + __author__, + __copyright__, + __email__, + __license__, + __summary__, + __title__, + __uri__, + __version__, +) + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", +] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_compat.py new file mode 100644 index 0000000..25da473 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_compat.py @@ -0,0 +1,31 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import sys + + +PY2 = sys.version_info[0] == 2 +PY3 = sys.version_info[0] == 3 + +# flake8: noqa + +if PY3: + string_types = (str,) +else: + string_types = (basestring,) + + +def with_metaclass(meta, *bases): + """ + Create a base class with a metaclass. + """ + # This requires a bit of explanation: the basic idea is to make a dummy + # metaclass for one level of class instantiation that replaces itself with + # the actual metaclass. + class metaclass(meta): + def __new__(cls, name, this_bases, d): + return meta(name, bases, d) + + return type.__new__(metaclass, "temporary_class", (), {}) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_structures.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_structures.py new file mode 100644 index 0000000..68dcca6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/_structures.py @@ -0,0 +1,68 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + + +class Infinity(object): + def __repr__(self): + return "Infinity" + + def __hash__(self): + return hash(repr(self)) + + def __lt__(self, other): + return False + + def __le__(self, other): + return False + + def __eq__(self, other): + return isinstance(other, self.__class__) + + def __ne__(self, other): + return not isinstance(other, self.__class__) + + def __gt__(self, other): + return True + + def __ge__(self, other): + return True + + def __neg__(self): + return NegativeInfinity + + +Infinity = Infinity() + + +class NegativeInfinity(object): + def __repr__(self): + return "-Infinity" + + def __hash__(self): + return hash(repr(self)) + + def __lt__(self, other): + return True + + def __le__(self, other): + return True + + def __eq__(self, other): + return isinstance(other, self.__class__) + + def __ne__(self, other): + return not isinstance(other, self.__class__) + + def __gt__(self, other): + return False + + def __ge__(self, other): + return False + + def __neg__(self): + return Infinity + + +NegativeInfinity = NegativeInfinity() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/markers.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/markers.py new file mode 100644 index 0000000..5482476 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/markers.py @@ -0,0 +1,296 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import operator +import os +import platform +import sys + +from pip._vendor.pyparsing import ParseException, ParseResults, stringStart, stringEnd +from pip._vendor.pyparsing import ZeroOrMore, Group, Forward, QuotedString +from pip._vendor.pyparsing import Literal as L # noqa + +from ._compat import string_types +from .specifiers import Specifier, InvalidSpecifier + + +__all__ = [ + "InvalidMarker", + "UndefinedComparison", + "UndefinedEnvironmentName", + "Marker", + "default_environment", +] + + +class InvalidMarker(ValueError): + """ + An invalid marker was found, users should refer to PEP 508. + """ + + +class UndefinedComparison(ValueError): + """ + An invalid operation was attempted on a value that doesn't support it. + """ + + +class UndefinedEnvironmentName(ValueError): + """ + A name was attempted to be used that does not exist inside of the + environment. + """ + + +class Node(object): + def __init__(self, value): + self.value = value + + def __str__(self): + return str(self.value) + + def __repr__(self): + return "<{0}({1!r})>".format(self.__class__.__name__, str(self)) + + def serialize(self): + raise NotImplementedError + + +class Variable(Node): + def serialize(self): + return str(self) + + +class Value(Node): + def serialize(self): + return '"{0}"'.format(self) + + +class Op(Node): + def serialize(self): + return str(self) + + +VARIABLE = ( + L("implementation_version") + | L("platform_python_implementation") + | L("implementation_name") + | L("python_full_version") + | L("platform_release") + | L("platform_version") + | L("platform_machine") + | L("platform_system") + | L("python_version") + | L("sys_platform") + | L("os_name") + | L("os.name") + | L("sys.platform") # PEP-345 + | L("platform.version") # PEP-345 + | L("platform.machine") # PEP-345 + | L("platform.python_implementation") # PEP-345 + | L("python_implementation") # PEP-345 + | L("extra") # undocumented setuptools legacy +) +ALIASES = { + "os.name": "os_name", + "sys.platform": "sys_platform", + "platform.version": "platform_version", + "platform.machine": "platform_machine", + "platform.python_implementation": "platform_python_implementation", + "python_implementation": "platform_python_implementation", +} +VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0]))) + +VERSION_CMP = ( + L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<") +) + +MARKER_OP = VERSION_CMP | L("not in") | L("in") +MARKER_OP.setParseAction(lambda s, l, t: Op(t[0])) + +MARKER_VALUE = QuotedString("'") | QuotedString('"') +MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0])) + +BOOLOP = L("and") | L("or") + +MARKER_VAR = VARIABLE | MARKER_VALUE + +MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR) +MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0])) + +LPAREN = L("(").suppress() +RPAREN = L(")").suppress() + +MARKER_EXPR = Forward() +MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN) +MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR) + +MARKER = stringStart + MARKER_EXPR + stringEnd + + +def _coerce_parse_result(results): + if isinstance(results, ParseResults): + return [_coerce_parse_result(i) for i in results] + else: + return results + + +def _format_marker(marker, first=True): + assert isinstance(marker, (list, tuple, string_types)) + + # Sometimes we have a structure like [[...]] which is a single item list + # where the single item is itself it's own list. In that case we want skip + # the rest of this function so that we don't get extraneous () on the + # outside. + if ( + isinstance(marker, list) + and len(marker) == 1 + and isinstance(marker[0], (list, tuple)) + ): + return _format_marker(marker[0]) + + if isinstance(marker, list): + inner = (_format_marker(m, first=False) for m in marker) + if first: + return " ".join(inner) + else: + return "(" + " ".join(inner) + ")" + elif isinstance(marker, tuple): + return " ".join([m.serialize() for m in marker]) + else: + return marker + + +_operators = { + "in": lambda lhs, rhs: lhs in rhs, + "not in": lambda lhs, rhs: lhs not in rhs, + "<": operator.lt, + "<=": operator.le, + "==": operator.eq, + "!=": operator.ne, + ">=": operator.ge, + ">": operator.gt, +} + + +def _eval_op(lhs, op, rhs): + try: + spec = Specifier("".join([op.serialize(), rhs])) + except InvalidSpecifier: + pass + else: + return spec.contains(lhs) + + oper = _operators.get(op.serialize()) + if oper is None: + raise UndefinedComparison( + "Undefined {0!r} on {1!r} and {2!r}.".format(op, lhs, rhs) + ) + + return oper(lhs, rhs) + + +_undefined = object() + + +def _get_env(environment, name): + value = environment.get(name, _undefined) + + if value is _undefined: + raise UndefinedEnvironmentName( + "{0!r} does not exist in evaluation environment.".format(name) + ) + + return value + + +def _evaluate_markers(markers, environment): + groups = [[]] + + for marker in markers: + assert isinstance(marker, (list, tuple, string_types)) + + if isinstance(marker, list): + groups[-1].append(_evaluate_markers(marker, environment)) + elif isinstance(marker, tuple): + lhs, op, rhs = marker + + if isinstance(lhs, Variable): + lhs_value = _get_env(environment, lhs.value) + rhs_value = rhs.value + else: + lhs_value = lhs.value + rhs_value = _get_env(environment, rhs.value) + + groups[-1].append(_eval_op(lhs_value, op, rhs_value)) + else: + assert marker in ["and", "or"] + if marker == "or": + groups.append([]) + + return any(all(item) for item in groups) + + +def format_full_version(info): + version = "{0.major}.{0.minor}.{0.micro}".format(info) + kind = info.releaselevel + if kind != "final": + version += kind[0] + str(info.serial) + return version + + +def default_environment(): + if hasattr(sys, "implementation"): + iver = format_full_version(sys.implementation.version) + implementation_name = sys.implementation.name + else: + iver = "0" + implementation_name = "" + + return { + "implementation_name": implementation_name, + "implementation_version": iver, + "os_name": os.name, + "platform_machine": platform.machine(), + "platform_release": platform.release(), + "platform_system": platform.system(), + "platform_version": platform.version(), + "python_full_version": platform.python_version(), + "platform_python_implementation": platform.python_implementation(), + "python_version": platform.python_version()[:3], + "sys_platform": sys.platform, + } + + +class Marker(object): + def __init__(self, marker): + try: + self._markers = _coerce_parse_result(MARKER.parseString(marker)) + except ParseException as e: + err_str = "Invalid marker: {0!r}, parse error at {1!r}".format( + marker, marker[e.loc : e.loc + 8] + ) + raise InvalidMarker(err_str) + + def __str__(self): + return _format_marker(self._markers) + + def __repr__(self): + return "<Marker({0!r})>".format(str(self)) + + def evaluate(self, environment=None): + """Evaluate a marker. + + Return the boolean from evaluating the given marker against the + environment. environment is an optional argument to override all or + part of the determined environment. + + The environment is determined from the current Python process. + """ + current_environment = default_environment() + if environment is not None: + current_environment.update(environment) + + return _evaluate_markers(self._markers, current_environment) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/requirements.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/requirements.py new file mode 100644 index 0000000..dbc5f11 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/requirements.py @@ -0,0 +1,138 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import string +import re + +from pip._vendor.pyparsing import stringStart, stringEnd, originalTextFor, ParseException +from pip._vendor.pyparsing import ZeroOrMore, Word, Optional, Regex, Combine +from pip._vendor.pyparsing import Literal as L # noqa +from pip._vendor.six.moves.urllib import parse as urlparse + +from .markers import MARKER_EXPR, Marker +from .specifiers import LegacySpecifier, Specifier, SpecifierSet + + +class InvalidRequirement(ValueError): + """ + An invalid requirement was found, users should refer to PEP 508. + """ + + +ALPHANUM = Word(string.ascii_letters + string.digits) + +LBRACKET = L("[").suppress() +RBRACKET = L("]").suppress() +LPAREN = L("(").suppress() +RPAREN = L(")").suppress() +COMMA = L(",").suppress() +SEMICOLON = L(";").suppress() +AT = L("@").suppress() + +PUNCTUATION = Word("-_.") +IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM) +IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END)) + +NAME = IDENTIFIER("name") +EXTRA = IDENTIFIER + +URI = Regex(r"[^ ]+")("url") +URL = AT + URI + +EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA) +EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras") + +VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE) +VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE) + +VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY +VERSION_MANY = Combine( + VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False +)("_raw_spec") +_VERSION_SPEC = Optional(((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)) +_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "") + +VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier") +VERSION_SPEC.setParseAction(lambda s, l, t: t[1]) + +MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker") +MARKER_EXPR.setParseAction( + lambda s, l, t: Marker(s[t._original_start : t._original_end]) +) +MARKER_SEPARATOR = SEMICOLON +MARKER = MARKER_SEPARATOR + MARKER_EXPR + +VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER) +URL_AND_MARKER = URL + Optional(MARKER) + +NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER) + +REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd +# pyparsing isn't thread safe during initialization, so we do it eagerly, see +# issue #104 +REQUIREMENT.parseString("x[]") + + +class Requirement(object): + """Parse a requirement. + + Parse a given requirement string into its parts, such as name, specifier, + URL, and extras. Raises InvalidRequirement on a badly-formed requirement + string. + """ + + # TODO: Can we test whether something is contained within a requirement? + # If so how do we do that? Do we need to test against the _name_ of + # the thing as well as the version? What about the markers? + # TODO: Can we normalize the name and extra name? + + def __init__(self, requirement_string): + try: + req = REQUIREMENT.parseString(requirement_string) + except ParseException as e: + raise InvalidRequirement( + 'Parse error at "{0!r}": {1}'.format( + requirement_string[e.loc : e.loc + 8], e.msg + ) + ) + + self.name = req.name + if req.url: + parsed_url = urlparse.urlparse(req.url) + if parsed_url.scheme == "file": + if urlparse.urlunparse(parsed_url) != req.url: + raise InvalidRequirement("Invalid URL given") + elif not (parsed_url.scheme and parsed_url.netloc) or ( + not parsed_url.scheme and not parsed_url.netloc + ): + raise InvalidRequirement("Invalid URL: {0}".format(req.url)) + self.url = req.url + else: + self.url = None + self.extras = set(req.extras.asList() if req.extras else []) + self.specifier = SpecifierSet(req.specifier) + self.marker = req.marker if req.marker else None + + def __str__(self): + parts = [self.name] + + if self.extras: + parts.append("[{0}]".format(",".join(sorted(self.extras)))) + + if self.specifier: + parts.append(str(self.specifier)) + + if self.url: + parts.append("@ {0}".format(self.url)) + if self.marker: + parts.append(" ") + + if self.marker: + parts.append("; {0}".format(self.marker)) + + return "".join(parts) + + def __repr__(self): + return "<Requirement({0!r})>".format(str(self)) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/specifiers.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/specifiers.py new file mode 100644 index 0000000..743576a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/specifiers.py @@ -0,0 +1,749 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import abc +import functools +import itertools +import re + +from ._compat import string_types, with_metaclass +from .version import Version, LegacyVersion, parse + + +class InvalidSpecifier(ValueError): + """ + An invalid specifier was found, users should refer to PEP 440. + """ + + +class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): + @abc.abstractmethod + def __str__(self): + """ + Returns the str representation of this Specifier like object. This + should be representative of the Specifier itself. + """ + + @abc.abstractmethod + def __hash__(self): + """ + Returns a hash value for this Specifier like object. + """ + + @abc.abstractmethod + def __eq__(self, other): + """ + Returns a boolean representing whether or not the two Specifier like + objects are equal. + """ + + @abc.abstractmethod + def __ne__(self, other): + """ + Returns a boolean representing whether or not the two Specifier like + objects are not equal. + """ + + @abc.abstractproperty + def prereleases(self): + """ + Returns whether or not pre-releases as a whole are allowed by this + specifier. + """ + + @prereleases.setter + def prereleases(self, value): + """ + Sets whether or not pre-releases as a whole are allowed by this + specifier. + """ + + @abc.abstractmethod + def contains(self, item, prereleases=None): + """ + Determines if the given item is contained within this specifier. + """ + + @abc.abstractmethod + def filter(self, iterable, prereleases=None): + """ + Takes an iterable of items and filters them so that only items which + are contained within this specifier are allowed in it. + """ + + +class _IndividualSpecifier(BaseSpecifier): + + _operators = {} + + def __init__(self, spec="", prereleases=None): + match = self._regex.search(spec) + if not match: + raise InvalidSpecifier("Invalid specifier: '{0}'".format(spec)) + + self._spec = (match.group("operator").strip(), match.group("version").strip()) + + # Store whether or not this Specifier should accept prereleases + self._prereleases = prereleases + + def __repr__(self): + pre = ( + ", prereleases={0!r}".format(self.prereleases) + if self._prereleases is not None + else "" + ) + + return "<{0}({1!r}{2})>".format(self.__class__.__name__, str(self), pre) + + def __str__(self): + return "{0}{1}".format(*self._spec) + + def __hash__(self): + return hash(self._spec) + + def __eq__(self, other): + if isinstance(other, string_types): + try: + other = self.__class__(other) + except InvalidSpecifier: + return NotImplemented + elif not isinstance(other, self.__class__): + return NotImplemented + + return self._spec == other._spec + + def __ne__(self, other): + if isinstance(other, string_types): + try: + other = self.__class__(other) + except InvalidSpecifier: + return NotImplemented + elif not isinstance(other, self.__class__): + return NotImplemented + + return self._spec != other._spec + + def _get_operator(self, op): + return getattr(self, "_compare_{0}".format(self._operators[op])) + + def _coerce_version(self, version): + if not isinstance(version, (LegacyVersion, Version)): + version = parse(version) + return version + + @property + def operator(self): + return self._spec[0] + + @property + def version(self): + return self._spec[1] + + @property + def prereleases(self): + return self._prereleases + + @prereleases.setter + def prereleases(self, value): + self._prereleases = value + + def __contains__(self, item): + return self.contains(item) + + def contains(self, item, prereleases=None): + # Determine if prereleases are to be allowed or not. + if prereleases is None: + prereleases = self.prereleases + + # Normalize item to a Version or LegacyVersion, this allows us to have + # a shortcut for ``"2.0" in Specifier(">=2") + item = self._coerce_version(item) + + # Determine if we should be supporting prereleases in this specifier + # or not, if we do not support prereleases than we can short circuit + # logic if this version is a prereleases. + if item.is_prerelease and not prereleases: + return False + + # Actually do the comparison to determine if this item is contained + # within this Specifier or not. + return self._get_operator(self.operator)(item, self.version) + + def filter(self, iterable, prereleases=None): + yielded = False + found_prereleases = [] + + kw = {"prereleases": prereleases if prereleases is not None else True} + + # Attempt to iterate over all the values in the iterable and if any of + # them match, yield them. + for version in iterable: + parsed_version = self._coerce_version(version) + + if self.contains(parsed_version, **kw): + # If our version is a prerelease, and we were not set to allow + # prereleases, then we'll store it for later incase nothing + # else matches this specifier. + if parsed_version.is_prerelease and not ( + prereleases or self.prereleases + ): + found_prereleases.append(version) + # Either this is not a prerelease, or we should have been + # accepting prereleases from the beginning. + else: + yielded = True + yield version + + # Now that we've iterated over everything, determine if we've yielded + # any values, and if we have not and we have any prereleases stored up + # then we will go ahead and yield the prereleases. + if not yielded and found_prereleases: + for version in found_prereleases: + yield version + + +class LegacySpecifier(_IndividualSpecifier): + + _regex_str = r""" + (?P<operator>(==|!=|<=|>=|<|>)) + \s* + (?P<version> + [^,;\s)]* # Since this is a "legacy" specifier, and the version + # string can be just about anything, we match everything + # except for whitespace, a semi-colon for marker support, + # a closing paren since versions can be enclosed in + # them, and a comma since it's a version separator. + ) + """ + + _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) + + _operators = { + "==": "equal", + "!=": "not_equal", + "<=": "less_than_equal", + ">=": "greater_than_equal", + "<": "less_than", + ">": "greater_than", + } + + def _coerce_version(self, version): + if not isinstance(version, LegacyVersion): + version = LegacyVersion(str(version)) + return version + + def _compare_equal(self, prospective, spec): + return prospective == self._coerce_version(spec) + + def _compare_not_equal(self, prospective, spec): + return prospective != self._coerce_version(spec) + + def _compare_less_than_equal(self, prospective, spec): + return prospective <= self._coerce_version(spec) + + def _compare_greater_than_equal(self, prospective, spec): + return prospective >= self._coerce_version(spec) + + def _compare_less_than(self, prospective, spec): + return prospective < self._coerce_version(spec) + + def _compare_greater_than(self, prospective, spec): + return prospective > self._coerce_version(spec) + + +def _require_version_compare(fn): + @functools.wraps(fn) + def wrapped(self, prospective, spec): + if not isinstance(prospective, Version): + return False + return fn(self, prospective, spec) + + return wrapped + + +class Specifier(_IndividualSpecifier): + + _regex_str = r""" + (?P<operator>(~=|==|!=|<=|>=|<|>|===)) + (?P<version> + (?: + # The identity operators allow for an escape hatch that will + # do an exact string match of the version you wish to install. + # This will not be parsed by PEP 440 and we cannot determine + # any semantic meaning from it. This operator is discouraged + # but included entirely as an escape hatch. + (?<====) # Only match for the identity operator + \s* + [^\s]* # We just match everything, except for whitespace + # since we are only testing for strict identity. + ) + | + (?: + # The (non)equality operators allow for wild card and local + # versions to be specified so we have to define these two + # operators separately to enable that. + (?<===|!=) # Only match for equals and not equals + + \s* + v? + (?:[0-9]+!)? # epoch + [0-9]+(?:\.[0-9]+)* # release + (?: # pre release + [-_\.]? + (a|b|c|rc|alpha|beta|pre|preview) + [-_\.]? + [0-9]* + )? + (?: # post release + (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) + )? + + # You cannot use a wild card and a dev or local version + # together so group them with a | and make them optional. + (?: + (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release + (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local + | + \.\* # Wild card syntax of .* + )? + ) + | + (?: + # The compatible operator requires at least two digits in the + # release segment. + (?<=~=) # Only match for the compatible operator + + \s* + v? + (?:[0-9]+!)? # epoch + [0-9]+(?:\.[0-9]+)+ # release (We have a + instead of a *) + (?: # pre release + [-_\.]? + (a|b|c|rc|alpha|beta|pre|preview) + [-_\.]? + [0-9]* + )? + (?: # post release + (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) + )? + (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release + ) + | + (?: + # All other operators only allow a sub set of what the + # (non)equality operators do. Specifically they do not allow + # local versions to be specified nor do they allow the prefix + # matching wild cards. + (?<!==|!=|~=) # We have special cases for these + # operators so we want to make sure they + # don't match here. + + \s* + v? + (?:[0-9]+!)? # epoch + [0-9]+(?:\.[0-9]+)* # release + (?: # pre release + [-_\.]? + (a|b|c|rc|alpha|beta|pre|preview) + [-_\.]? + [0-9]* + )? + (?: # post release + (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) + )? + (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release + ) + ) + """ + + _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) + + _operators = { + "~=": "compatible", + "==": "equal", + "!=": "not_equal", + "<=": "less_than_equal", + ">=": "greater_than_equal", + "<": "less_than", + ">": "greater_than", + "===": "arbitrary", + } + + @_require_version_compare + def _compare_compatible(self, prospective, spec): + # Compatible releases have an equivalent combination of >= and ==. That + # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to + # implement this in terms of the other specifiers instead of + # implementing it ourselves. The only thing we need to do is construct + # the other specifiers. + + # We want everything but the last item in the version, but we want to + # ignore post and dev releases and we want to treat the pre-release as + # it's own separate segment. + prefix = ".".join( + list( + itertools.takewhile( + lambda x: (not x.startswith("post") and not x.startswith("dev")), + _version_split(spec), + ) + )[:-1] + ) + + # Add the prefix notation to the end of our string + prefix += ".*" + + return self._get_operator(">=")(prospective, spec) and self._get_operator("==")( + prospective, prefix + ) + + @_require_version_compare + def _compare_equal(self, prospective, spec): + # We need special logic to handle prefix matching + if spec.endswith(".*"): + # In the case of prefix matching we want to ignore local segment. + prospective = Version(prospective.public) + # Split the spec out by dots, and pretend that there is an implicit + # dot in between a release segment and a pre-release segment. + spec = _version_split(spec[:-2]) # Remove the trailing .* + + # Split the prospective version out by dots, and pretend that there + # is an implicit dot in between a release segment and a pre-release + # segment. + prospective = _version_split(str(prospective)) + + # Shorten the prospective version to be the same length as the spec + # so that we can determine if the specifier is a prefix of the + # prospective version or not. + prospective = prospective[: len(spec)] + + # Pad out our two sides with zeros so that they both equal the same + # length. + spec, prospective = _pad_version(spec, prospective) + else: + # Convert our spec string into a Version + spec = Version(spec) + + # If the specifier does not have a local segment, then we want to + # act as if the prospective version also does not have a local + # segment. + if not spec.local: + prospective = Version(prospective.public) + + return prospective == spec + + @_require_version_compare + def _compare_not_equal(self, prospective, spec): + return not self._compare_equal(prospective, spec) + + @_require_version_compare + def _compare_less_than_equal(self, prospective, spec): + return prospective <= Version(spec) + + @_require_version_compare + def _compare_greater_than_equal(self, prospective, spec): + return prospective >= Version(spec) + + @_require_version_compare + def _compare_less_than(self, prospective, spec): + # Convert our spec to a Version instance, since we'll want to work with + # it as a version. + spec = Version(spec) + + # Check to see if the prospective version is less than the spec + # version. If it's not we can short circuit and just return False now + # instead of doing extra unneeded work. + if not prospective < spec: + return False + + # This special case is here so that, unless the specifier itself + # includes is a pre-release version, that we do not accept pre-release + # versions for the version mentioned in the specifier (e.g. <3.1 should + # not match 3.1.dev0, but should match 3.0.dev0). + if not spec.is_prerelease and prospective.is_prerelease: + if Version(prospective.base_version) == Version(spec.base_version): + return False + + # If we've gotten to here, it means that prospective version is both + # less than the spec version *and* it's not a pre-release of the same + # version in the spec. + return True + + @_require_version_compare + def _compare_greater_than(self, prospective, spec): + # Convert our spec to a Version instance, since we'll want to work with + # it as a version. + spec = Version(spec) + + # Check to see if the prospective version is greater than the spec + # version. If it's not we can short circuit and just return False now + # instead of doing extra unneeded work. + if not prospective > spec: + return False + + # This special case is here so that, unless the specifier itself + # includes is a post-release version, that we do not accept + # post-release versions for the version mentioned in the specifier + # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0). + if not spec.is_postrelease and prospective.is_postrelease: + if Version(prospective.base_version) == Version(spec.base_version): + return False + + # Ensure that we do not allow a local version of the version mentioned + # in the specifier, which is technically greater than, to match. + if prospective.local is not None: + if Version(prospective.base_version) == Version(spec.base_version): + return False + + # If we've gotten to here, it means that prospective version is both + # greater than the spec version *and* it's not a pre-release of the + # same version in the spec. + return True + + def _compare_arbitrary(self, prospective, spec): + return str(prospective).lower() == str(spec).lower() + + @property + def prereleases(self): + # If there is an explicit prereleases set for this, then we'll just + # blindly use that. + if self._prereleases is not None: + return self._prereleases + + # Look at all of our specifiers and determine if they are inclusive + # operators, and if they are if they are including an explicit + # prerelease. + operator, version = self._spec + if operator in ["==", ">=", "<=", "~=", "==="]: + # The == specifier can include a trailing .*, if it does we + # want to remove before parsing. + if operator == "==" and version.endswith(".*"): + version = version[:-2] + + # Parse the version, and if it is a pre-release than this + # specifier allows pre-releases. + if parse(version).is_prerelease: + return True + + return False + + @prereleases.setter + def prereleases(self, value): + self._prereleases = value + + +_prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$") + + +def _version_split(version): + result = [] + for item in version.split("."): + match = _prefix_regex.search(item) + if match: + result.extend(match.groups()) + else: + result.append(item) + return result + + +def _pad_version(left, right): + left_split, right_split = [], [] + + # Get the release segment of our versions + left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left))) + right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right))) + + # Get the rest of our versions + left_split.append(left[len(left_split[0]) :]) + right_split.append(right[len(right_split[0]) :]) + + # Insert our padding + left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0]))) + right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0]))) + + return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split))) + + +class SpecifierSet(BaseSpecifier): + def __init__(self, specifiers="", prereleases=None): + # Split on , to break each indidivual specifier into it's own item, and + # strip each item to remove leading/trailing whitespace. + specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] + + # Parsed each individual specifier, attempting first to make it a + # Specifier and falling back to a LegacySpecifier. + parsed = set() + for specifier in specifiers: + try: + parsed.add(Specifier(specifier)) + except InvalidSpecifier: + parsed.add(LegacySpecifier(specifier)) + + # Turn our parsed specifiers into a frozen set and save them for later. + self._specs = frozenset(parsed) + + # Store our prereleases value so we can use it later to determine if + # we accept prereleases or not. + self._prereleases = prereleases + + def __repr__(self): + pre = ( + ", prereleases={0!r}".format(self.prereleases) + if self._prereleases is not None + else "" + ) + + return "<SpecifierSet({0!r}{1})>".format(str(self), pre) + + def __str__(self): + return ",".join(sorted(str(s) for s in self._specs)) + + def __hash__(self): + return hash(self._specs) + + def __and__(self, other): + if isinstance(other, string_types): + other = SpecifierSet(other) + elif not isinstance(other, SpecifierSet): + return NotImplemented + + specifier = SpecifierSet() + specifier._specs = frozenset(self._specs | other._specs) + + if self._prereleases is None and other._prereleases is not None: + specifier._prereleases = other._prereleases + elif self._prereleases is not None and other._prereleases is None: + specifier._prereleases = self._prereleases + elif self._prereleases == other._prereleases: + specifier._prereleases = self._prereleases + else: + raise ValueError( + "Cannot combine SpecifierSets with True and False prerelease " + "overrides." + ) + + return specifier + + def __eq__(self, other): + if isinstance(other, string_types): + other = SpecifierSet(other) + elif isinstance(other, _IndividualSpecifier): + other = SpecifierSet(str(other)) + elif not isinstance(other, SpecifierSet): + return NotImplemented + + return self._specs == other._specs + + def __ne__(self, other): + if isinstance(other, string_types): + other = SpecifierSet(other) + elif isinstance(other, _IndividualSpecifier): + other = SpecifierSet(str(other)) + elif not isinstance(other, SpecifierSet): + return NotImplemented + + return self._specs != other._specs + + def __len__(self): + return len(self._specs) + + def __iter__(self): + return iter(self._specs) + + @property + def prereleases(self): + # If we have been given an explicit prerelease modifier, then we'll + # pass that through here. + if self._prereleases is not None: + return self._prereleases + + # If we don't have any specifiers, and we don't have a forced value, + # then we'll just return None since we don't know if this should have + # pre-releases or not. + if not self._specs: + return None + + # Otherwise we'll see if any of the given specifiers accept + # prereleases, if any of them do we'll return True, otherwise False. + return any(s.prereleases for s in self._specs) + + @prereleases.setter + def prereleases(self, value): + self._prereleases = value + + def __contains__(self, item): + return self.contains(item) + + def contains(self, item, prereleases=None): + # Ensure that our item is a Version or LegacyVersion instance. + if not isinstance(item, (LegacyVersion, Version)): + item = parse(item) + + # Determine if we're forcing a prerelease or not, if we're not forcing + # one for this particular filter call, then we'll use whatever the + # SpecifierSet thinks for whether or not we should support prereleases. + if prereleases is None: + prereleases = self.prereleases + + # We can determine if we're going to allow pre-releases by looking to + # see if any of the underlying items supports them. If none of them do + # and this item is a pre-release then we do not allow it and we can + # short circuit that here. + # Note: This means that 1.0.dev1 would not be contained in something + # like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0 + if not prereleases and item.is_prerelease: + return False + + # We simply dispatch to the underlying specs here to make sure that the + # given version is contained within all of them. + # Note: This use of all() here means that an empty set of specifiers + # will always return True, this is an explicit design decision. + return all(s.contains(item, prereleases=prereleases) for s in self._specs) + + def filter(self, iterable, prereleases=None): + # Determine if we're forcing a prerelease or not, if we're not forcing + # one for this particular filter call, then we'll use whatever the + # SpecifierSet thinks for whether or not we should support prereleases. + if prereleases is None: + prereleases = self.prereleases + + # If we have any specifiers, then we want to wrap our iterable in the + # filter method for each one, this will act as a logical AND amongst + # each specifier. + if self._specs: + for spec in self._specs: + iterable = spec.filter(iterable, prereleases=bool(prereleases)) + return iterable + # If we do not have any specifiers, then we need to have a rough filter + # which will filter out any pre-releases, unless there are no final + # releases, and which will filter out LegacyVersion in general. + else: + filtered = [] + found_prereleases = [] + + for item in iterable: + # Ensure that we some kind of Version class for this item. + if not isinstance(item, (LegacyVersion, Version)): + parsed_version = parse(item) + else: + parsed_version = item + + # Filter out any item which is parsed as a LegacyVersion + if isinstance(parsed_version, LegacyVersion): + continue + + # Store any item which is a pre-release for later unless we've + # already found a final version or we are accepting prereleases + if parsed_version.is_prerelease and not prereleases: + if not filtered: + found_prereleases.append(item) + else: + filtered.append(item) + + # If we've found no items except for pre-releases, then we'll go + # ahead and use the pre-releases + if not filtered and found_prereleases and prereleases is None: + return found_prereleases + + return filtered diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/utils.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/utils.py new file mode 100644 index 0000000..8841878 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/utils.py @@ -0,0 +1,57 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import re + +from .version import InvalidVersion, Version + + +_canonicalize_regex = re.compile(r"[-_.]+") + + +def canonicalize_name(name): + # This is taken from PEP 503. + return _canonicalize_regex.sub("-", name).lower() + + +def canonicalize_version(version): + """ + This is very similar to Version.__str__, but has one subtle differences + with the way it handles the release segment. + """ + + try: + version = Version(version) + except InvalidVersion: + # Legacy versions cannot be normalized + return version + + parts = [] + + # Epoch + if version.epoch != 0: + parts.append("{0}!".format(version.epoch)) + + # Release segment + # NB: This strips trailing '.0's to normalize + parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in version.release))) + + # Pre-release + if version.pre is not None: + parts.append("".join(str(x) for x in version.pre)) + + # Post-release + if version.post is not None: + parts.append(".post{0}".format(version.post)) + + # Development release + if version.dev is not None: + parts.append(".dev{0}".format(version.dev)) + + # Local version segment + if version.local is not None: + parts.append("+{0}".format(version.local)) + + return "".join(parts) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/version.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/version.py new file mode 100644 index 0000000..95157a1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/packaging/version.py @@ -0,0 +1,420 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import collections +import itertools +import re + +from ._structures import Infinity + + +__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"] + + +_Version = collections.namedtuple( + "_Version", ["epoch", "release", "dev", "pre", "post", "local"] +) + + +def parse(version): + """ + Parse the given version string and return either a :class:`Version` object + or a :class:`LegacyVersion` object depending on if the given version is + a valid PEP 440 version or a legacy version. + """ + try: + return Version(version) + except InvalidVersion: + return LegacyVersion(version) + + +class InvalidVersion(ValueError): + """ + An invalid version was found, users should refer to PEP 440. + """ + + +class _BaseVersion(object): + def __hash__(self): + return hash(self._key) + + def __lt__(self, other): + return self._compare(other, lambda s, o: s < o) + + def __le__(self, other): + return self._compare(other, lambda s, o: s <= o) + + def __eq__(self, other): + return self._compare(other, lambda s, o: s == o) + + def __ge__(self, other): + return self._compare(other, lambda s, o: s >= o) + + def __gt__(self, other): + return self._compare(other, lambda s, o: s > o) + + def __ne__(self, other): + return self._compare(other, lambda s, o: s != o) + + def _compare(self, other, method): + if not isinstance(other, _BaseVersion): + return NotImplemented + + return method(self._key, other._key) + + +class LegacyVersion(_BaseVersion): + def __init__(self, version): + self._version = str(version) + self._key = _legacy_cmpkey(self._version) + + def __str__(self): + return self._version + + def __repr__(self): + return "<LegacyVersion({0})>".format(repr(str(self))) + + @property + def public(self): + return self._version + + @property + def base_version(self): + return self._version + + @property + def epoch(self): + return -1 + + @property + def release(self): + return None + + @property + def pre(self): + return None + + @property + def post(self): + return None + + @property + def dev(self): + return None + + @property + def local(self): + return None + + @property + def is_prerelease(self): + return False + + @property + def is_postrelease(self): + return False + + @property + def is_devrelease(self): + return False + + +_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE) + +_legacy_version_replacement_map = { + "pre": "c", + "preview": "c", + "-": "final-", + "rc": "c", + "dev": "@", +} + + +def _parse_version_parts(s): + for part in _legacy_version_component_re.split(s): + part = _legacy_version_replacement_map.get(part, part) + + if not part or part == ".": + continue + + if part[:1] in "0123456789": + # pad for numeric comparison + yield part.zfill(8) + else: + yield "*" + part + + # ensure that alpha/beta/candidate are before final + yield "*final" + + +def _legacy_cmpkey(version): + # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch + # greater than or equal to 0. This will effectively put the LegacyVersion, + # which uses the defacto standard originally implemented by setuptools, + # as before all PEP 440 versions. + epoch = -1 + + # This scheme is taken from pkg_resources.parse_version setuptools prior to + # it's adoption of the packaging library. + parts = [] + for part in _parse_version_parts(version.lower()): + if part.startswith("*"): + # remove "-" before a prerelease tag + if part < "*final": + while parts and parts[-1] == "*final-": + parts.pop() + + # remove trailing zeros from each series of numeric parts + while parts and parts[-1] == "00000000": + parts.pop() + + parts.append(part) + parts = tuple(parts) + + return epoch, parts + + +# Deliberately not anchored to the start and end of the string, to make it +# easier for 3rd party code to reuse +VERSION_PATTERN = r""" + v? + (?: + (?:(?P<epoch>[0-9]+)!)? # epoch + (?P<release>[0-9]+(?:\.[0-9]+)*) # release segment + (?P<pre> # pre-release + [-_\.]? + (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview)) + [-_\.]? + (?P<pre_n>[0-9]+)? + )? + (?P<post> # post release + (?:-(?P<post_n1>[0-9]+)) + | + (?: + [-_\.]? + (?P<post_l>post|rev|r) + [-_\.]? + (?P<post_n2>[0-9]+)? + ) + )? + (?P<dev> # dev release + [-_\.]? + (?P<dev_l>dev) + [-_\.]? + (?P<dev_n>[0-9]+)? + )? + ) + (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version +""" + + +class Version(_BaseVersion): + + _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE) + + def __init__(self, version): + # Validate the version and parse it into pieces + match = self._regex.search(version) + if not match: + raise InvalidVersion("Invalid version: '{0}'".format(version)) + + # Store the parsed out pieces of the version + self._version = _Version( + epoch=int(match.group("epoch")) if match.group("epoch") else 0, + release=tuple(int(i) for i in match.group("release").split(".")), + pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")), + post=_parse_letter_version( + match.group("post_l"), match.group("post_n1") or match.group("post_n2") + ), + dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")), + local=_parse_local_version(match.group("local")), + ) + + # Generate a key which will be used for sorting + self._key = _cmpkey( + self._version.epoch, + self._version.release, + self._version.pre, + self._version.post, + self._version.dev, + self._version.local, + ) + + def __repr__(self): + return "<Version({0})>".format(repr(str(self))) + + def __str__(self): + parts = [] + + # Epoch + if self.epoch != 0: + parts.append("{0}!".format(self.epoch)) + + # Release segment + parts.append(".".join(str(x) for x in self.release)) + + # Pre-release + if self.pre is not None: + parts.append("".join(str(x) for x in self.pre)) + + # Post-release + if self.post is not None: + parts.append(".post{0}".format(self.post)) + + # Development release + if self.dev is not None: + parts.append(".dev{0}".format(self.dev)) + + # Local version segment + if self.local is not None: + parts.append("+{0}".format(self.local)) + + return "".join(parts) + + @property + def epoch(self): + return self._version.epoch + + @property + def release(self): + return self._version.release + + @property + def pre(self): + return self._version.pre + + @property + def post(self): + return self._version.post[1] if self._version.post else None + + @property + def dev(self): + return self._version.dev[1] if self._version.dev else None + + @property + def local(self): + if self._version.local: + return ".".join(str(x) for x in self._version.local) + else: + return None + + @property + def public(self): + return str(self).split("+", 1)[0] + + @property + def base_version(self): + parts = [] + + # Epoch + if self.epoch != 0: + parts.append("{0}!".format(self.epoch)) + + # Release segment + parts.append(".".join(str(x) for x in self.release)) + + return "".join(parts) + + @property + def is_prerelease(self): + return self.dev is not None or self.pre is not None + + @property + def is_postrelease(self): + return self.post is not None + + @property + def is_devrelease(self): + return self.dev is not None + + +def _parse_letter_version(letter, number): + if letter: + # We consider there to be an implicit 0 in a pre-release if there is + # not a numeral associated with it. + if number is None: + number = 0 + + # We normalize any letters to their lower case form + letter = letter.lower() + + # We consider some words to be alternate spellings of other words and + # in those cases we want to normalize the spellings to our preferred + # spelling. + if letter == "alpha": + letter = "a" + elif letter == "beta": + letter = "b" + elif letter in ["c", "pre", "preview"]: + letter = "rc" + elif letter in ["rev", "r"]: + letter = "post" + + return letter, int(number) + if not letter and number: + # We assume if we are given a number, but we are not given a letter + # then this is using the implicit post release syntax (e.g. 1.0-1) + letter = "post" + + return letter, int(number) + + +_local_version_separators = re.compile(r"[\._-]") + + +def _parse_local_version(local): + """ + Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). + """ + if local is not None: + return tuple( + part.lower() if not part.isdigit() else int(part) + for part in _local_version_separators.split(local) + ) + + +def _cmpkey(epoch, release, pre, post, dev, local): + # When we compare a release version, we want to compare it with all of the + # trailing zeros removed. So we'll use a reverse the list, drop all the now + # leading zeros until we come to something non zero, then take the rest + # re-reverse it back into the correct order and make it a tuple and use + # that for our sorting key. + release = tuple( + reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release)))) + ) + + # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0. + # We'll do this by abusing the pre segment, but we _only_ want to do this + # if there is not a pre or a post segment. If we have one of those then + # the normal sorting rules will handle this case correctly. + if pre is None and post is None and dev is not None: + pre = -Infinity + # Versions without a pre-release (except as noted above) should sort after + # those with one. + elif pre is None: + pre = Infinity + + # Versions without a post segment should sort before those with one. + if post is None: + post = -Infinity + + # Versions without a development segment should sort after those with one. + if dev is None: + dev = Infinity + + if local is None: + # Versions without a local segment should sort before those with one. + local = -Infinity + else: + # Versions with a local segment need that segment parsed to implement + # the sorting rules in PEP440. + # - Alpha numeric segments sort before numeric segments + # - Alpha numeric segments sort lexicographically + # - Numeric segments sort numerically + # - Shorter versions sort before longer versions when the prefixes + # match exactly + local = tuple((i, "") if isinstance(i, int) else (-Infinity, i) for i in local) + + return epoch, release, pre, post, dev, local diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/__init__.py new file mode 100644 index 0000000..9c1a098 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/__init__.py @@ -0,0 +1,4 @@ +"""Wrappers to build Python packages using PEP 517 hooks +""" + +__version__ = '0.5.0' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/_in_process.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/_in_process.py new file mode 100644 index 0000000..d6524b6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/_in_process.py @@ -0,0 +1,207 @@ +"""This is invoked in a subprocess to call the build backend hooks. + +It expects: +- Command line args: hook_name, control_dir +- Environment variable: PEP517_BUILD_BACKEND=entry.point:spec +- control_dir/input.json: + - {"kwargs": {...}} + +Results: +- control_dir/output.json + - {"return_val": ...} +""" +from glob import glob +from importlib import import_module +import os +from os.path import join as pjoin +import re +import shutil +import sys + +# This is run as a script, not a module, so it can't do a relative import +import compat + + +class BackendUnavailable(Exception): + """Raised if we cannot import the backend""" + + +def _build_backend(): + """Find and load the build backend""" + ep = os.environ['PEP517_BUILD_BACKEND'] + mod_path, _, obj_path = ep.partition(':') + try: + obj = import_module(mod_path) + except ImportError: + raise BackendUnavailable + if obj_path: + for path_part in obj_path.split('.'): + obj = getattr(obj, path_part) + return obj + + +def get_requires_for_build_wheel(config_settings): + """Invoke the optional get_requires_for_build_wheel hook + + Returns [] if the hook is not defined. + """ + backend = _build_backend() + try: + hook = backend.get_requires_for_build_wheel + except AttributeError: + return [] + else: + return hook(config_settings) + + +def prepare_metadata_for_build_wheel(metadata_directory, config_settings): + """Invoke optional prepare_metadata_for_build_wheel + + Implements a fallback by building a wheel if the hook isn't defined. + """ + backend = _build_backend() + try: + hook = backend.prepare_metadata_for_build_wheel + except AttributeError: + return _get_wheel_metadata_from_wheel(backend, metadata_directory, + config_settings) + else: + return hook(metadata_directory, config_settings) + + +WHEEL_BUILT_MARKER = 'PEP517_ALREADY_BUILT_WHEEL' + + +def _dist_info_files(whl_zip): + """Identify the .dist-info folder inside a wheel ZipFile.""" + res = [] + for path in whl_zip.namelist(): + m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path) + if m: + res.append(path) + if res: + return res + raise Exception("No .dist-info folder found in wheel") + + +def _get_wheel_metadata_from_wheel( + backend, metadata_directory, config_settings): + """Build a wheel and extract the metadata from it. + + Fallback for when the build backend does not + define the 'get_wheel_metadata' hook. + """ + from zipfile import ZipFile + whl_basename = backend.build_wheel(metadata_directory, config_settings) + with open(os.path.join(metadata_directory, WHEEL_BUILT_MARKER), 'wb'): + pass # Touch marker file + + whl_file = os.path.join(metadata_directory, whl_basename) + with ZipFile(whl_file) as zipf: + dist_info = _dist_info_files(zipf) + zipf.extractall(path=metadata_directory, members=dist_info) + return dist_info[0].split('/')[0] + + +def _find_already_built_wheel(metadata_directory): + """Check for a wheel already built during the get_wheel_metadata hook. + """ + if not metadata_directory: + return None + metadata_parent = os.path.dirname(metadata_directory) + if not os.path.isfile(pjoin(metadata_parent, WHEEL_BUILT_MARKER)): + return None + + whl_files = glob(os.path.join(metadata_parent, '*.whl')) + if not whl_files: + print('Found wheel built marker, but no .whl files') + return None + if len(whl_files) > 1: + print('Found multiple .whl files; unspecified behaviour. ' + 'Will call build_wheel.') + return None + + # Exactly one .whl file + return whl_files[0] + + +def build_wheel(wheel_directory, config_settings, metadata_directory=None): + """Invoke the mandatory build_wheel hook. + + If a wheel was already built in the + prepare_metadata_for_build_wheel fallback, this + will copy it rather than rebuilding the wheel. + """ + prebuilt_whl = _find_already_built_wheel(metadata_directory) + if prebuilt_whl: + shutil.copy2(prebuilt_whl, wheel_directory) + return os.path.basename(prebuilt_whl) + + return _build_backend().build_wheel(wheel_directory, config_settings, + metadata_directory) + + +def get_requires_for_build_sdist(config_settings): + """Invoke the optional get_requires_for_build_wheel hook + + Returns [] if the hook is not defined. + """ + backend = _build_backend() + try: + hook = backend.get_requires_for_build_sdist + except AttributeError: + return [] + else: + return hook(config_settings) + + +class _DummyException(Exception): + """Nothing should ever raise this exception""" + + +class GotUnsupportedOperation(Exception): + """For internal use when backend raises UnsupportedOperation""" + + +def build_sdist(sdist_directory, config_settings): + """Invoke the mandatory build_sdist hook.""" + backend = _build_backend() + try: + return backend.build_sdist(sdist_directory, config_settings) + except getattr(backend, 'UnsupportedOperation', _DummyException): + raise GotUnsupportedOperation + + +HOOK_NAMES = { + 'get_requires_for_build_wheel', + 'prepare_metadata_for_build_wheel', + 'build_wheel', + 'get_requires_for_build_sdist', + 'build_sdist', +} + + +def main(): + if len(sys.argv) < 3: + sys.exit("Needs args: hook_name, control_dir") + hook_name = sys.argv[1] + control_dir = sys.argv[2] + if hook_name not in HOOK_NAMES: + sys.exit("Unknown hook: %s" % hook_name) + hook = globals()[hook_name] + + hook_input = compat.read_json(pjoin(control_dir, 'input.json')) + + json_out = {'unsupported': False, 'return_val': None} + try: + json_out['return_val'] = hook(**hook_input['kwargs']) + except BackendUnavailable: + json_out['no_backend'] = True + except GotUnsupportedOperation: + json_out['unsupported'] = True + + compat.write_json(json_out, pjoin(control_dir, 'output.json'), indent=2) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/build.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/build.py new file mode 100644 index 0000000..ac6c949 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/build.py @@ -0,0 +1,108 @@ +"""Build a project using PEP 517 hooks. +""" +import argparse +import logging +import os +import contextlib +from pip._vendor import pytoml +import shutil +import errno +import tempfile + +from .envbuild import BuildEnvironment +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +@contextlib.contextmanager +def tempdir(): + td = tempfile.mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + + +def _do_build(hooks, env, dist, dest): + get_requires_name = 'get_requires_for_build_{dist}'.format(**locals()) + get_requires = getattr(hooks, get_requires_name) + reqs = get_requires({}) + log.info('Got build requires: %s', reqs) + + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + + with tempdir() as td: + log.info('Trying to build %s in %s', dist, td) + build_name = 'build_{dist}'.format(**locals()) + build = getattr(hooks, build_name) + filename = build(td, {}) + source = os.path.join(td, filename) + shutil.move(source, os.path.join(dest, os.path.basename(filename))) + + +def mkdir_p(*args, **kwargs): + """Like `mkdir`, but does not raise an exception if the + directory already exists. + """ + try: + return os.mkdir(*args, **kwargs) + except OSError as exc: + if exc.errno != errno.EEXIST: + raise + + +def build(source_dir, dist, dest=None): + pyproject = os.path.join(source_dir, 'pyproject.toml') + dest = os.path.join(source_dir, dest or 'dist') + mkdir_p(dest) + + with open(pyproject) as f: + pyproject_data = pytoml.load(f) + # Ensure the mandatory data can be loaded + buildsys = pyproject_data['build-system'] + requires = buildsys['requires'] + backend = buildsys['build-backend'] + + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + _do_build(hooks, env, dist, dest) + + +parser = argparse.ArgumentParser() +parser.add_argument( + 'source_dir', + help="A directory containing pyproject.toml", +) +parser.add_argument( + '--binary', '-b', + action='store_true', + default=False, +) +parser.add_argument( + '--source', '-s', + action='store_true', + default=False, +) +parser.add_argument( + '--out-dir', '-o', + help="Destination in which to save the builds relative to source dir", +) + + +def main(args): + # determine which dists to build + dists = list(filter(None, ( + 'sdist' if args.source or not args.binary else None, + 'wheel' if args.binary or not args.source else None, + ))) + + for dist in dists: + build(args.source_dir, dist, args.out_dir) + + +if __name__ == '__main__': + main(parser.parse_args()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/check.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/check.py new file mode 100644 index 0000000..f4cdc6b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/check.py @@ -0,0 +1,202 @@ +"""Check a project and backend by attempting to build using PEP 517 hooks. +""" +import argparse +import logging +import os +from os.path import isfile, join as pjoin +from pip._vendor.pytoml import TomlError, load as toml_load +import shutil +from subprocess import CalledProcessError +import sys +import tarfile +from tempfile import mkdtemp +import zipfile + +from .colorlog import enable_colourful_output +from .envbuild import BuildEnvironment +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +def check_build_sdist(hooks, build_sys_requires): + with BuildEnvironment() as env: + try: + env.pip_install(build_sys_requires) + log.info('Installed static build dependencies') + except CalledProcessError: + log.error('Failed to install static build dependencies') + return False + + try: + reqs = hooks.get_requires_for_build_sdist({}) + log.info('Got build requires: %s', reqs) + except Exception: + log.error('Failure in get_requires_for_build_sdist', exc_info=True) + return False + + try: + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + except CalledProcessError: + log.error('Failed to install dynamic build dependencies') + return False + + td = mkdtemp() + log.info('Trying to build sdist in %s', td) + try: + try: + filename = hooks.build_sdist(td, {}) + log.info('build_sdist returned %r', filename) + except Exception: + log.info('Failure in build_sdist', exc_info=True) + return False + + if not filename.endswith('.tar.gz'): + log.error( + "Filename %s doesn't have .tar.gz extension", filename) + return False + + path = pjoin(td, filename) + if isfile(path): + log.info("Output file %s exists", path) + else: + log.error("Output file %s does not exist", path) + return False + + if tarfile.is_tarfile(path): + log.info("Output file is a tar file") + else: + log.error("Output file is not a tar file") + return False + + finally: + shutil.rmtree(td) + + return True + + +def check_build_wheel(hooks, build_sys_requires): + with BuildEnvironment() as env: + try: + env.pip_install(build_sys_requires) + log.info('Installed static build dependencies') + except CalledProcessError: + log.error('Failed to install static build dependencies') + return False + + try: + reqs = hooks.get_requires_for_build_wheel({}) + log.info('Got build requires: %s', reqs) + except Exception: + log.error('Failure in get_requires_for_build_sdist', exc_info=True) + return False + + try: + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + except CalledProcessError: + log.error('Failed to install dynamic build dependencies') + return False + + td = mkdtemp() + log.info('Trying to build wheel in %s', td) + try: + try: + filename = hooks.build_wheel(td, {}) + log.info('build_wheel returned %r', filename) + except Exception: + log.info('Failure in build_wheel', exc_info=True) + return False + + if not filename.endswith('.whl'): + log.error("Filename %s doesn't have .whl extension", filename) + return False + + path = pjoin(td, filename) + if isfile(path): + log.info("Output file %s exists", path) + else: + log.error("Output file %s does not exist", path) + return False + + if zipfile.is_zipfile(path): + log.info("Output file is a zip file") + else: + log.error("Output file is not a zip file") + return False + + finally: + shutil.rmtree(td) + + return True + + +def check(source_dir): + pyproject = pjoin(source_dir, 'pyproject.toml') + if isfile(pyproject): + log.info('Found pyproject.toml') + else: + log.error('Missing pyproject.toml') + return False + + try: + with open(pyproject) as f: + pyproject_data = toml_load(f) + # Ensure the mandatory data can be loaded + buildsys = pyproject_data['build-system'] + requires = buildsys['requires'] + backend = buildsys['build-backend'] + log.info('Loaded pyproject.toml') + except (TomlError, KeyError): + log.error("Invalid pyproject.toml", exc_info=True) + return False + + hooks = Pep517HookCaller(source_dir, backend) + + sdist_ok = check_build_sdist(hooks, requires) + wheel_ok = check_build_wheel(hooks, requires) + + if not sdist_ok: + log.warning('Sdist checks failed; scroll up to see') + if not wheel_ok: + log.warning('Wheel checks failed') + + return sdist_ok + + +def main(argv=None): + ap = argparse.ArgumentParser() + ap.add_argument( + 'source_dir', + help="A directory containing pyproject.toml") + args = ap.parse_args(argv) + + enable_colourful_output() + + ok = check(args.source_dir) + + if ok: + print(ansi('Checks passed', 'green')) + else: + print(ansi('Checks failed', 'red')) + sys.exit(1) + + +ansi_codes = { + 'reset': '\x1b[0m', + 'bold': '\x1b[1m', + 'red': '\x1b[31m', + 'green': '\x1b[32m', +} + + +def ansi(s, attr): + if os.name != 'nt' and sys.stdout.isatty(): + return ansi_codes[attr] + str(s) + ansi_codes['reset'] + else: + return str(s) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/colorlog.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/colorlog.py new file mode 100644 index 0000000..69c8a59 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/colorlog.py @@ -0,0 +1,115 @@ +"""Nicer log formatting with colours. + +Code copied from Tornado, Apache licensed. +""" +# Copyright 2012 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import logging +import sys + +try: + import curses +except ImportError: + curses = None + + +def _stderr_supports_color(): + color = False + if curses and hasattr(sys.stderr, 'isatty') and sys.stderr.isatty(): + try: + curses.setupterm() + if curses.tigetnum("colors") > 0: + color = True + except Exception: + pass + return color + + +class LogFormatter(logging.Formatter): + """Log formatter with colour support + """ + DEFAULT_COLORS = { + logging.INFO: 2, # Green + logging.WARNING: 3, # Yellow + logging.ERROR: 1, # Red + logging.CRITICAL: 1, + } + + def __init__(self, color=True, datefmt=None): + r""" + :arg bool color: Enables color support. + :arg string fmt: Log message format. + It will be applied to the attributes dict of log records. The + text between ``%(color)s`` and ``%(end_color)s`` will be colored + depending on the level if color support is on. + :arg dict colors: color mappings from logging level to terminal color + code + :arg string datefmt: Datetime format. + Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``. + .. versionchanged:: 3.2 + Added ``fmt`` and ``datefmt`` arguments. + """ + logging.Formatter.__init__(self, datefmt=datefmt) + self._colors = {} + if color and _stderr_supports_color(): + # The curses module has some str/bytes confusion in + # python3. Until version 3.2.3, most methods return + # bytes, but only accept strings. In addition, we want to + # output these strings with the logging module, which + # works with unicode strings. The explicit calls to + # unicode() below are harmless in python2 but will do the + # right conversion in python 3. + fg_color = (curses.tigetstr("setaf") or + curses.tigetstr("setf") or "") + if (3, 0) < sys.version_info < (3, 2, 3): + fg_color = str(fg_color, "ascii") + + for levelno, code in self.DEFAULT_COLORS.items(): + self._colors[levelno] = str( + curses.tparm(fg_color, code), "ascii") + self._normal = str(curses.tigetstr("sgr0"), "ascii") + + scr = curses.initscr() + self.termwidth = scr.getmaxyx()[1] + curses.endwin() + else: + self._normal = '' + # Default width is usually 80, but too wide is + # worse than too narrow + self.termwidth = 70 + + def formatMessage(self, record): + mlen = len(record.message) + right_text = '{initial}-{name}'.format(initial=record.levelname[0], + name=record.name) + if mlen + len(right_text) < self.termwidth: + space = ' ' * (self.termwidth - (mlen + len(right_text))) + else: + space = ' ' + + if record.levelno in self._colors: + start_color = self._colors[record.levelno] + end_color = self._normal + else: + start_color = end_color = '' + + return record.message + space + start_color + right_text + end_color + + +def enable_colourful_output(level=logging.INFO): + handler = logging.StreamHandler() + handler.setFormatter(LogFormatter()) + logging.root.addHandler(handler) + logging.root.setLevel(level) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/compat.py new file mode 100644 index 0000000..01c66fc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/compat.py @@ -0,0 +1,23 @@ +"""Handle reading and writing JSON in UTF-8, on Python 3 and 2.""" +import json +import sys + +if sys.version_info[0] >= 3: + # Python 3 + def write_json(obj, path, **kwargs): + with open(path, 'w', encoding='utf-8') as f: + json.dump(obj, f, **kwargs) + + def read_json(path): + with open(path, 'r', encoding='utf-8') as f: + return json.load(f) + +else: + # Python 2 + def write_json(obj, path, **kwargs): + with open(path, 'wb') as f: + json.dump(obj, f, encoding='utf-8', **kwargs) + + def read_json(path): + with open(path, 'rb') as f: + return json.load(f) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/envbuild.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/envbuild.py new file mode 100644 index 0000000..f7ac5f4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/envbuild.py @@ -0,0 +1,158 @@ +"""Build wheels/sdists by installing build deps to a temporary environment. +""" + +import os +import logging +from pip._vendor import pytoml +import shutil +from subprocess import check_call +import sys +from sysconfig import get_paths +from tempfile import mkdtemp + +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +def _load_pyproject(source_dir): + with open(os.path.join(source_dir, 'pyproject.toml')) as f: + pyproject_data = pytoml.load(f) + buildsys = pyproject_data['build-system'] + return buildsys['requires'], buildsys['build-backend'] + + +class BuildEnvironment(object): + """Context manager to install build deps in a simple temporary environment + + Based on code I wrote for pip, which is MIT licensed. + """ + # Copyright (c) 2008-2016 The pip developers (see AUTHORS.txt file) + # + # Permission is hereby granted, free of charge, to any person obtaining + # a copy of this software and associated documentation files (the + # "Software"), to deal in the Software without restriction, including + # without limitation the rights to use, copy, modify, merge, publish, + # distribute, sublicense, and/or sell copies of the Software, and to + # permit persons to whom the Software is furnished to do so, subject to + # the following conditions: + # + # The above copyright notice and this permission notice shall be + # included in all copies or substantial portions of the Software. + # + # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + path = None + + def __init__(self, cleanup=True): + self._cleanup = cleanup + + def __enter__(self): + self.path = mkdtemp(prefix='pep517-build-env-') + log.info('Temporary build environment: %s', self.path) + + self.save_path = os.environ.get('PATH', None) + self.save_pythonpath = os.environ.get('PYTHONPATH', None) + + install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix' + install_dirs = get_paths(install_scheme, vars={ + 'base': self.path, + 'platbase': self.path, + }) + + scripts = install_dirs['scripts'] + if self.save_path: + os.environ['PATH'] = scripts + os.pathsep + self.save_path + else: + os.environ['PATH'] = scripts + os.pathsep + os.defpath + + if install_dirs['purelib'] == install_dirs['platlib']: + lib_dirs = install_dirs['purelib'] + else: + lib_dirs = install_dirs['purelib'] + os.pathsep + \ + install_dirs['platlib'] + if self.save_pythonpath: + os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \ + self.save_pythonpath + else: + os.environ['PYTHONPATH'] = lib_dirs + + return self + + def pip_install(self, reqs): + """Install dependencies into this env by calling pip in a subprocess""" + if not reqs: + return + log.info('Calling pip to install %s', reqs) + check_call([ + sys.executable, '-m', 'pip', 'install', '--ignore-installed', + '--prefix', self.path] + list(reqs)) + + def __exit__(self, exc_type, exc_val, exc_tb): + needs_cleanup = ( + self._cleanup and + self.path is not None and + os.path.isdir(self.path) + ) + if needs_cleanup: + shutil.rmtree(self.path) + + if self.save_path is None: + os.environ.pop('PATH', None) + else: + os.environ['PATH'] = self.save_path + + if self.save_pythonpath is None: + os.environ.pop('PYTHONPATH', None) + else: + os.environ['PYTHONPATH'] = self.save_pythonpath + + +def build_wheel(source_dir, wheel_dir, config_settings=None): + """Build a wheel from a source directory using PEP 517 hooks. + + :param str source_dir: Source directory containing pyproject.toml + :param str wheel_dir: Target directory to create wheel in + :param dict config_settings: Options to pass to build backend + + This is a blocking function which will run pip in a subprocess to install + build requirements. + """ + if config_settings is None: + config_settings = {} + requires, backend = _load_pyproject(source_dir) + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + reqs = hooks.get_requires_for_build_wheel(config_settings) + env.pip_install(reqs) + return hooks.build_wheel(wheel_dir, config_settings) + + +def build_sdist(source_dir, sdist_dir, config_settings=None): + """Build an sdist from a source directory using PEP 517 hooks. + + :param str source_dir: Source directory containing pyproject.toml + :param str sdist_dir: Target directory to place sdist in + :param dict config_settings: Options to pass to build backend + + This is a blocking function which will run pip in a subprocess to install + build requirements. + """ + if config_settings is None: + config_settings = {} + requires, backend = _load_pyproject(source_dir) + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + reqs = hooks.get_requires_for_build_sdist(config_settings) + env.pip_install(reqs) + return hooks.build_sdist(sdist_dir, config_settings) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/wrappers.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/wrappers.py new file mode 100644 index 0000000..b14b899 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pep517/wrappers.py @@ -0,0 +1,163 @@ +from contextlib import contextmanager +import os +from os.path import dirname, abspath, join as pjoin +import shutil +from subprocess import check_call +import sys +from tempfile import mkdtemp + +from . import compat + +_in_proc_script = pjoin(dirname(abspath(__file__)), '_in_process.py') + + +@contextmanager +def tempdir(): + td = mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + + +class BackendUnavailable(Exception): + """Will be raised if the backend cannot be imported in the hook process.""" + + +class UnsupportedOperation(Exception): + """May be raised by build_sdist if the backend indicates that it can't.""" + + +def default_subprocess_runner(cmd, cwd=None, extra_environ=None): + """The default method of calling the wrapper subprocess.""" + env = os.environ.copy() + if extra_environ: + env.update(extra_environ) + + check_call(cmd, cwd=cwd, env=env) + + +class Pep517HookCaller(object): + """A wrapper around a source directory to be built with a PEP 517 backend. + + source_dir : The path to the source directory, containing pyproject.toml. + backend : The build backend spec, as per PEP 517, from pyproject.toml. + """ + def __init__(self, source_dir, build_backend): + self.source_dir = abspath(source_dir) + self.build_backend = build_backend + self._subprocess_runner = default_subprocess_runner + + # TODO: Is this over-engineered? Maybe frontends only need to + # set this when creating the wrapper, not on every call. + @contextmanager + def subprocess_runner(self, runner): + prev = self._subprocess_runner + self._subprocess_runner = runner + yield + self._subprocess_runner = prev + + def get_requires_for_build_wheel(self, config_settings=None): + """Identify packages required for building a wheel + + Returns a list of dependency specifications, e.g.: + ["wheel >= 0.25", "setuptools"] + + This does not include requirements specified in pyproject.toml. + It returns the result of calling the equivalently named hook in a + subprocess. + """ + return self._call_hook('get_requires_for_build_wheel', { + 'config_settings': config_settings + }) + + def prepare_metadata_for_build_wheel( + self, metadata_directory, config_settings=None): + """Prepare a *.dist-info folder with metadata for this project. + + Returns the name of the newly created folder. + + If the build backend defines a hook with this name, it will be called + in a subprocess. If not, the backend will be asked to build a wheel, + and the dist-info extracted from that. + """ + return self._call_hook('prepare_metadata_for_build_wheel', { + 'metadata_directory': abspath(metadata_directory), + 'config_settings': config_settings, + }) + + def build_wheel( + self, wheel_directory, config_settings=None, + metadata_directory=None): + """Build a wheel from this project. + + Returns the name of the newly created file. + + In general, this will call the 'build_wheel' hook in the backend. + However, if that was previously called by + 'prepare_metadata_for_build_wheel', and the same metadata_directory is + used, the previously built wheel will be copied to wheel_directory. + """ + if metadata_directory is not None: + metadata_directory = abspath(metadata_directory) + return self._call_hook('build_wheel', { + 'wheel_directory': abspath(wheel_directory), + 'config_settings': config_settings, + 'metadata_directory': metadata_directory, + }) + + def get_requires_for_build_sdist(self, config_settings=None): + """Identify packages required for building a wheel + + Returns a list of dependency specifications, e.g.: + ["setuptools >= 26"] + + This does not include requirements specified in pyproject.toml. + It returns the result of calling the equivalently named hook in a + subprocess. + """ + return self._call_hook('get_requires_for_build_sdist', { + 'config_settings': config_settings + }) + + def build_sdist(self, sdist_directory, config_settings=None): + """Build an sdist from this project. + + Returns the name of the newly created file. + + This calls the 'build_sdist' backend hook in a subprocess. + """ + return self._call_hook('build_sdist', { + 'sdist_directory': abspath(sdist_directory), + 'config_settings': config_settings, + }) + + def _call_hook(self, hook_name, kwargs): + # On Python 2, pytoml returns Unicode values (which is correct) but the + # environment passed to check_call needs to contain string values. We + # convert here by encoding using ASCII (the backend can only contain + # letters, digits and _, . and : characters, and will be used as a + # Python identifier, so non-ASCII content is wrong on Python 2 in + # any case). + if sys.version_info[0] == 2: + build_backend = self.build_backend.encode('ASCII') + else: + build_backend = self.build_backend + + with tempdir() as td: + compat.write_json({'kwargs': kwargs}, pjoin(td, 'input.json'), + indent=2) + + # Run the hook in a subprocess + self._subprocess_runner( + [sys.executable, _in_proc_script, hook_name, td], + cwd=self.source_dir, + extra_environ={'PEP517_BUILD_BACKEND': build_backend} + ) + + data = compat.read_json(pjoin(td, 'output.json')) + if data.get('unsupported'): + raise UnsupportedOperation + if data.get('no_backend'): + raise BackendUnavailable + return data['return_val'] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/__init__.py new file mode 100644 index 0000000..9c4fd8e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/__init__.py @@ -0,0 +1,3171 @@ +# coding: utf-8 +""" +Package resource API +-------------------- + +A resource is a logical file contained within a package, or a logical +subdirectory thereof. The package resource API expects resource names +to have their path parts separated with ``/``, *not* whatever the local +path separator is. Do not use os.path operations to manipulate resource +names being passed into the API. + +The package resource API is designed to work with normal filesystem packages, +.egg files, and unpacked .egg files. It can also work in a limited way with +.zip files and with custom PEP 302 loaders that support the ``get_data()`` +method. +""" + +from __future__ import absolute_import + +import sys +import os +import io +import time +import re +import types +import zipfile +import zipimport +import warnings +import stat +import functools +import pkgutil +import operator +import platform +import collections +import plistlib +import email.parser +import errno +import tempfile +import textwrap +import itertools +import inspect +from pkgutil import get_importer + +try: + import _imp +except ImportError: + # Python 3.2 compatibility + import imp as _imp + +try: + FileExistsError +except NameError: + FileExistsError = OSError + +from pip._vendor import six +from pip._vendor.six.moves import urllib, map, filter + +# capture these to bypass sandboxing +from os import utime +try: + from os import mkdir, rename, unlink + WRITE_SUPPORT = True +except ImportError: + # no write support, probably under GAE + WRITE_SUPPORT = False + +from os import open as os_open +from os.path import isdir, split + +try: + import importlib.machinery as importlib_machinery + # access attribute to force import under delayed import mechanisms. + importlib_machinery.__name__ +except ImportError: + importlib_machinery = None + +from . import py31compat +from pip._vendor import appdirs +from pip._vendor import packaging +__import__('pip._vendor.packaging.version') +__import__('pip._vendor.packaging.specifiers') +__import__('pip._vendor.packaging.requirements') +__import__('pip._vendor.packaging.markers') + + +__metaclass__ = type + + +if (3, 0) < sys.version_info < (3, 4): + raise RuntimeError("Python 3.4 or later is required") + +if six.PY2: + # Those builtin exceptions are only defined in Python 3 + PermissionError = None + NotADirectoryError = None + +# declare some globals that will be defined later to +# satisfy the linters. +require = None +working_set = None +add_activation_listener = None +resources_stream = None +cleanup_resources = None +resource_dir = None +resource_stream = None +set_extraction_path = None +resource_isdir = None +resource_string = None +iter_entry_points = None +resource_listdir = None +resource_filename = None +resource_exists = None +_distribution_finders = None +_namespace_handlers = None +_namespace_packages = None + + +class PEP440Warning(RuntimeWarning): + """ + Used when there is an issue with a version or specifier not complying with + PEP 440. + """ + + +def parse_version(v): + try: + return packaging.version.Version(v) + except packaging.version.InvalidVersion: + return packaging.version.LegacyVersion(v) + + +_state_vars = {} + + +def _declare_state(vartype, **kw): + globals().update(kw) + _state_vars.update(dict.fromkeys(kw, vartype)) + + +def __getstate__(): + state = {} + g = globals() + for k, v in _state_vars.items(): + state[k] = g['_sget_' + v](g[k]) + return state + + +def __setstate__(state): + g = globals() + for k, v in state.items(): + g['_sset_' + _state_vars[k]](k, g[k], v) + return state + + +def _sget_dict(val): + return val.copy() + + +def _sset_dict(key, ob, state): + ob.clear() + ob.update(state) + + +def _sget_object(val): + return val.__getstate__() + + +def _sset_object(key, ob, state): + ob.__setstate__(state) + + +_sget_none = _sset_none = lambda *args: None + + +def get_supported_platform(): + """Return this platform's maximum compatible version. + + distutils.util.get_platform() normally reports the minimum version + of Mac OS X that would be required to *use* extensions produced by + distutils. But what we want when checking compatibility is to know the + version of Mac OS X that we are *running*. To allow usage of packages that + explicitly require a newer version of Mac OS X, we must also know the + current version of the OS. + + If this condition occurs for any other platform with a version in its + platform strings, this function should be extended accordingly. + """ + plat = get_build_platform() + m = macosVersionString.match(plat) + if m is not None and sys.platform == "darwin": + try: + plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3)) + except ValueError: + # not Mac OS X + pass + return plat + + +__all__ = [ + # Basic resource access and distribution/entry point discovery + 'require', 'run_script', 'get_provider', 'get_distribution', + 'load_entry_point', 'get_entry_map', 'get_entry_info', + 'iter_entry_points', + 'resource_string', 'resource_stream', 'resource_filename', + 'resource_listdir', 'resource_exists', 'resource_isdir', + + # Environmental control + 'declare_namespace', 'working_set', 'add_activation_listener', + 'find_distributions', 'set_extraction_path', 'cleanup_resources', + 'get_default_cache', + + # Primary implementation classes + 'Environment', 'WorkingSet', 'ResourceManager', + 'Distribution', 'Requirement', 'EntryPoint', + + # Exceptions + 'ResolutionError', 'VersionConflict', 'DistributionNotFound', + 'UnknownExtra', 'ExtractionError', + + # Warnings + 'PEP440Warning', + + # Parsing functions and string utilities + 'parse_requirements', 'parse_version', 'safe_name', 'safe_version', + 'get_platform', 'compatible_platforms', 'yield_lines', 'split_sections', + 'safe_extra', 'to_filename', 'invalid_marker', 'evaluate_marker', + + # filesystem utilities + 'ensure_directory', 'normalize_path', + + # Distribution "precedence" constants + 'EGG_DIST', 'BINARY_DIST', 'SOURCE_DIST', 'CHECKOUT_DIST', 'DEVELOP_DIST', + + # "Provider" interfaces, implementations, and registration/lookup APIs + 'IMetadataProvider', 'IResourceProvider', 'FileMetadata', + 'PathMetadata', 'EggMetadata', 'EmptyProvider', 'empty_provider', + 'NullProvider', 'EggProvider', 'DefaultProvider', 'ZipProvider', + 'register_finder', 'register_namespace_handler', 'register_loader_type', + 'fixup_namespace_packages', 'get_importer', + + # Warnings + 'PkgResourcesDeprecationWarning', + + # Deprecated/backward compatibility only + 'run_main', 'AvailableDistributions', +] + + +class ResolutionError(Exception): + """Abstract base for dependency resolution errors""" + + def __repr__(self): + return self.__class__.__name__ + repr(self.args) + + +class VersionConflict(ResolutionError): + """ + An already-installed version conflicts with the requested version. + + Should be initialized with the installed Distribution and the requested + Requirement. + """ + + _template = "{self.dist} is installed but {self.req} is required" + + @property + def dist(self): + return self.args[0] + + @property + def req(self): + return self.args[1] + + def report(self): + return self._template.format(**locals()) + + def with_context(self, required_by): + """ + If required_by is non-empty, return a version of self that is a + ContextualVersionConflict. + """ + if not required_by: + return self + args = self.args + (required_by,) + return ContextualVersionConflict(*args) + + +class ContextualVersionConflict(VersionConflict): + """ + A VersionConflict that accepts a third parameter, the set of the + requirements that required the installed Distribution. + """ + + _template = VersionConflict._template + ' by {self.required_by}' + + @property + def required_by(self): + return self.args[2] + + +class DistributionNotFound(ResolutionError): + """A requested distribution was not found""" + + _template = ("The '{self.req}' distribution was not found " + "and is required by {self.requirers_str}") + + @property + def req(self): + return self.args[0] + + @property + def requirers(self): + return self.args[1] + + @property + def requirers_str(self): + if not self.requirers: + return 'the application' + return ', '.join(self.requirers) + + def report(self): + return self._template.format(**locals()) + + def __str__(self): + return self.report() + + +class UnknownExtra(ResolutionError): + """Distribution doesn't have an "extra feature" of the given name""" + + +_provider_factories = {} + +PY_MAJOR = sys.version[:3] +EGG_DIST = 3 +BINARY_DIST = 2 +SOURCE_DIST = 1 +CHECKOUT_DIST = 0 +DEVELOP_DIST = -1 + + +def register_loader_type(loader_type, provider_factory): + """Register `provider_factory` to make providers for `loader_type` + + `loader_type` is the type or class of a PEP 302 ``module.__loader__``, + and `provider_factory` is a function that, passed a *module* object, + returns an ``IResourceProvider`` for that module. + """ + _provider_factories[loader_type] = provider_factory + + +def get_provider(moduleOrReq): + """Return an IResourceProvider for the named module or requirement""" + if isinstance(moduleOrReq, Requirement): + return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0] + try: + module = sys.modules[moduleOrReq] + except KeyError: + __import__(moduleOrReq) + module = sys.modules[moduleOrReq] + loader = getattr(module, '__loader__', None) + return _find_adapter(_provider_factories, loader)(module) + + +def _macosx_vers(_cache=[]): + if not _cache: + version = platform.mac_ver()[0] + # fallback for MacPorts + if version == '': + plist = '/System/Library/CoreServices/SystemVersion.plist' + if os.path.exists(plist): + if hasattr(plistlib, 'readPlist'): + plist_content = plistlib.readPlist(plist) + if 'ProductVersion' in plist_content: + version = plist_content['ProductVersion'] + + _cache.append(version.split('.')) + return _cache[0] + + +def _macosx_arch(machine): + return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine) + + +def get_build_platform(): + """Return this platform's string for platform-specific distributions + + XXX Currently this is the same as ``distutils.util.get_platform()``, but it + needs some hacks for Linux and Mac OS X. + """ + from sysconfig import get_platform + + plat = get_platform() + if sys.platform == "darwin" and not plat.startswith('macosx-'): + try: + version = _macosx_vers() + machine = os.uname()[4].replace(" ", "_") + return "macosx-%d.%d-%s" % ( + int(version[0]), int(version[1]), + _macosx_arch(machine), + ) + except ValueError: + # if someone is running a non-Mac darwin system, this will fall + # through to the default implementation + pass + return plat + + +macosVersionString = re.compile(r"macosx-(\d+)\.(\d+)-(.*)") +darwinVersionString = re.compile(r"darwin-(\d+)\.(\d+)\.(\d+)-(.*)") +# XXX backward compat +get_platform = get_build_platform + + +def compatible_platforms(provided, required): + """Can code for the `provided` platform run on the `required` platform? + + Returns true if either platform is ``None``, or the platforms are equal. + + XXX Needs compatibility checks for Linux and other unixy OSes. + """ + if provided is None or required is None or provided == required: + # easy case + return True + + # Mac OS X special cases + reqMac = macosVersionString.match(required) + if reqMac: + provMac = macosVersionString.match(provided) + + # is this a Mac package? + if not provMac: + # this is backwards compatibility for packages built before + # setuptools 0.6. All packages built after this point will + # use the new macosx designation. + provDarwin = darwinVersionString.match(provided) + if provDarwin: + dversion = int(provDarwin.group(1)) + macosversion = "%s.%s" % (reqMac.group(1), reqMac.group(2)) + if dversion == 7 and macosversion >= "10.3" or \ + dversion == 8 and macosversion >= "10.4": + return True + # egg isn't macosx or legacy darwin + return False + + # are they the same major version and machine type? + if provMac.group(1) != reqMac.group(1) or \ + provMac.group(3) != reqMac.group(3): + return False + + # is the required OS major update >= the provided one? + if int(provMac.group(2)) > int(reqMac.group(2)): + return False + + return True + + # XXX Linux and other platforms' special cases should go here + return False + + +def run_script(dist_spec, script_name): + """Locate distribution `dist_spec` and run its `script_name` script""" + ns = sys._getframe(1).f_globals + name = ns['__name__'] + ns.clear() + ns['__name__'] = name + require(dist_spec)[0].run_script(script_name, ns) + + +# backward compatibility +run_main = run_script + + +def get_distribution(dist): + """Return a current distribution object for a Requirement or string""" + if isinstance(dist, six.string_types): + dist = Requirement.parse(dist) + if isinstance(dist, Requirement): + dist = get_provider(dist) + if not isinstance(dist, Distribution): + raise TypeError("Expected string, Requirement, or Distribution", dist) + return dist + + +def load_entry_point(dist, group, name): + """Return `name` entry point of `group` for `dist` or raise ImportError""" + return get_distribution(dist).load_entry_point(group, name) + + +def get_entry_map(dist, group=None): + """Return the entry point map for `group`, or the full entry map""" + return get_distribution(dist).get_entry_map(group) + + +def get_entry_info(dist, group, name): + """Return the EntryPoint object for `group`+`name`, or ``None``""" + return get_distribution(dist).get_entry_info(group, name) + + +class IMetadataProvider: + def has_metadata(name): + """Does the package's distribution contain the named metadata?""" + + def get_metadata(name): + """The named metadata resource as a string""" + + def get_metadata_lines(name): + """Yield named metadata resource as list of non-blank non-comment lines + + Leading and trailing whitespace is stripped from each line, and lines + with ``#`` as the first non-blank character are omitted.""" + + def metadata_isdir(name): + """Is the named metadata a directory? (like ``os.path.isdir()``)""" + + def metadata_listdir(name): + """List of metadata names in the directory (like ``os.listdir()``)""" + + def run_script(script_name, namespace): + """Execute the named script in the supplied namespace dictionary""" + + +class IResourceProvider(IMetadataProvider): + """An object that provides access to package resources""" + + def get_resource_filename(manager, resource_name): + """Return a true filesystem path for `resource_name` + + `manager` must be an ``IResourceManager``""" + + def get_resource_stream(manager, resource_name): + """Return a readable file-like object for `resource_name` + + `manager` must be an ``IResourceManager``""" + + def get_resource_string(manager, resource_name): + """Return a string containing the contents of `resource_name` + + `manager` must be an ``IResourceManager``""" + + def has_resource(resource_name): + """Does the package contain the named resource?""" + + def resource_isdir(resource_name): + """Is the named resource a directory? (like ``os.path.isdir()``)""" + + def resource_listdir(resource_name): + """List of resource names in the directory (like ``os.listdir()``)""" + + +class WorkingSet: + """A collection of active distributions on sys.path (or a similar list)""" + + def __init__(self, entries=None): + """Create working set from list of path entries (default=sys.path)""" + self.entries = [] + self.entry_keys = {} + self.by_key = {} + self.callbacks = [] + + if entries is None: + entries = sys.path + + for entry in entries: + self.add_entry(entry) + + @classmethod + def _build_master(cls): + """ + Prepare the master working set. + """ + ws = cls() + try: + from __main__ import __requires__ + except ImportError: + # The main program does not list any requirements + return ws + + # ensure the requirements are met + try: + ws.require(__requires__) + except VersionConflict: + return cls._build_from_requirements(__requires__) + + return ws + + @classmethod + def _build_from_requirements(cls, req_spec): + """ + Build a working set from a requirement spec. Rewrites sys.path. + """ + # try it without defaults already on sys.path + # by starting with an empty path + ws = cls([]) + reqs = parse_requirements(req_spec) + dists = ws.resolve(reqs, Environment()) + for dist in dists: + ws.add(dist) + + # add any missing entries from sys.path + for entry in sys.path: + if entry not in ws.entries: + ws.add_entry(entry) + + # then copy back to sys.path + sys.path[:] = ws.entries + return ws + + def add_entry(self, entry): + """Add a path item to ``.entries``, finding any distributions on it + + ``find_distributions(entry, True)`` is used to find distributions + corresponding to the path entry, and they are added. `entry` is + always appended to ``.entries``, even if it is already present. + (This is because ``sys.path`` can contain the same value more than + once, and the ``.entries`` of the ``sys.path`` WorkingSet should always + equal ``sys.path``.) + """ + self.entry_keys.setdefault(entry, []) + self.entries.append(entry) + for dist in find_distributions(entry, True): + self.add(dist, entry, False) + + def __contains__(self, dist): + """True if `dist` is the active distribution for its project""" + return self.by_key.get(dist.key) == dist + + def find(self, req): + """Find a distribution matching requirement `req` + + If there is an active distribution for the requested project, this + returns it as long as it meets the version requirement specified by + `req`. But, if there is an active distribution for the project and it + does *not* meet the `req` requirement, ``VersionConflict`` is raised. + If there is no active distribution for the requested project, ``None`` + is returned. + """ + dist = self.by_key.get(req.key) + if dist is not None and dist not in req: + # XXX add more info + raise VersionConflict(dist, req) + return dist + + def iter_entry_points(self, group, name=None): + """Yield entry point objects from `group` matching `name` + + If `name` is None, yields all entry points in `group` from all + distributions in the working set, otherwise only ones matching + both `group` and `name` are yielded (in distribution order). + """ + return ( + entry + for dist in self + for entry in dist.get_entry_map(group).values() + if name is None or name == entry.name + ) + + def run_script(self, requires, script_name): + """Locate distribution for `requires` and run `script_name` script""" + ns = sys._getframe(1).f_globals + name = ns['__name__'] + ns.clear() + ns['__name__'] = name + self.require(requires)[0].run_script(script_name, ns) + + def __iter__(self): + """Yield distributions for non-duplicate projects in the working set + + The yield order is the order in which the items' path entries were + added to the working set. + """ + seen = {} + for item in self.entries: + if item not in self.entry_keys: + # workaround a cache issue + continue + + for key in self.entry_keys[item]: + if key not in seen: + seen[key] = 1 + yield self.by_key[key] + + def add(self, dist, entry=None, insert=True, replace=False): + """Add `dist` to working set, associated with `entry` + + If `entry` is unspecified, it defaults to the ``.location`` of `dist`. + On exit from this routine, `entry` is added to the end of the working + set's ``.entries`` (if it wasn't already present). + + `dist` is only added to the working set if it's for a project that + doesn't already have a distribution in the set, unless `replace=True`. + If it's added, any callbacks registered with the ``subscribe()`` method + will be called. + """ + if insert: + dist.insert_on(self.entries, entry, replace=replace) + + if entry is None: + entry = dist.location + keys = self.entry_keys.setdefault(entry, []) + keys2 = self.entry_keys.setdefault(dist.location, []) + if not replace and dist.key in self.by_key: + # ignore hidden distros + return + + self.by_key[dist.key] = dist + if dist.key not in keys: + keys.append(dist.key) + if dist.key not in keys2: + keys2.append(dist.key) + self._added_new(dist) + + def resolve(self, requirements, env=None, installer=None, + replace_conflicting=False, extras=None): + """List all distributions needed to (recursively) meet `requirements` + + `requirements` must be a sequence of ``Requirement`` objects. `env`, + if supplied, should be an ``Environment`` instance. If + not supplied, it defaults to all distributions available within any + entry or distribution in the working set. `installer`, if supplied, + will be invoked with each requirement that cannot be met by an + already-installed distribution; it should return a ``Distribution`` or + ``None``. + + Unless `replace_conflicting=True`, raises a VersionConflict exception + if + any requirements are found on the path that have the correct name but + the wrong version. Otherwise, if an `installer` is supplied it will be + invoked to obtain the correct version of the requirement and activate + it. + + `extras` is a list of the extras to be used with these requirements. + This is important because extra requirements may look like `my_req; + extra = "my_extra"`, which would otherwise be interpreted as a purely + optional requirement. Instead, we want to be able to assert that these + requirements are truly required. + """ + + # set up the stack + requirements = list(requirements)[::-1] + # set of processed requirements + processed = {} + # key -> dist + best = {} + to_activate = [] + + req_extras = _ReqExtras() + + # Mapping of requirement to set of distributions that required it; + # useful for reporting info about conflicts. + required_by = collections.defaultdict(set) + + while requirements: + # process dependencies breadth-first + req = requirements.pop(0) + if req in processed: + # Ignore cyclic or redundant dependencies + continue + + if not req_extras.markers_pass(req, extras): + continue + + dist = best.get(req.key) + if dist is None: + # Find the best distribution and add it to the map + dist = self.by_key.get(req.key) + if dist is None or (dist not in req and replace_conflicting): + ws = self + if env is None: + if dist is None: + env = Environment(self.entries) + else: + # Use an empty environment and workingset to avoid + # any further conflicts with the conflicting + # distribution + env = Environment([]) + ws = WorkingSet([]) + dist = best[req.key] = env.best_match( + req, ws, installer, + replace_conflicting=replace_conflicting + ) + if dist is None: + requirers = required_by.get(req, None) + raise DistributionNotFound(req, requirers) + to_activate.append(dist) + if dist not in req: + # Oops, the "best" so far conflicts with a dependency + dependent_req = required_by[req] + raise VersionConflict(dist, req).with_context(dependent_req) + + # push the new requirements onto the stack + new_requirements = dist.requires(req.extras)[::-1] + requirements.extend(new_requirements) + + # Register the new requirements needed by req + for new_requirement in new_requirements: + required_by[new_requirement].add(req.project_name) + req_extras[new_requirement] = req.extras + + processed[req] = True + + # return list of distros to activate + return to_activate + + def find_plugins( + self, plugin_env, full_env=None, installer=None, fallback=True): + """Find all activatable distributions in `plugin_env` + + Example usage:: + + distributions, errors = working_set.find_plugins( + Environment(plugin_dirlist) + ) + # add plugins+libs to sys.path + map(working_set.add, distributions) + # display errors + print('Could not load', errors) + + The `plugin_env` should be an ``Environment`` instance that contains + only distributions that are in the project's "plugin directory" or + directories. The `full_env`, if supplied, should be an ``Environment`` + contains all currently-available distributions. If `full_env` is not + supplied, one is created automatically from the ``WorkingSet`` this + method is called on, which will typically mean that every directory on + ``sys.path`` will be scanned for distributions. + + `installer` is a standard installer callback as used by the + ``resolve()`` method. The `fallback` flag indicates whether we should + attempt to resolve older versions of a plugin if the newest version + cannot be resolved. + + This method returns a 2-tuple: (`distributions`, `error_info`), where + `distributions` is a list of the distributions found in `plugin_env` + that were loadable, along with any other distributions that are needed + to resolve their dependencies. `error_info` is a dictionary mapping + unloadable plugin distributions to an exception instance describing the + error that occurred. Usually this will be a ``DistributionNotFound`` or + ``VersionConflict`` instance. + """ + + plugin_projects = list(plugin_env) + # scan project names in alphabetic order + plugin_projects.sort() + + error_info = {} + distributions = {} + + if full_env is None: + env = Environment(self.entries) + env += plugin_env + else: + env = full_env + plugin_env + + shadow_set = self.__class__([]) + # put all our entries in shadow_set + list(map(shadow_set.add, self)) + + for project_name in plugin_projects: + + for dist in plugin_env[project_name]: + + req = [dist.as_requirement()] + + try: + resolvees = shadow_set.resolve(req, env, installer) + + except ResolutionError as v: + # save error info + error_info[dist] = v + if fallback: + # try the next older version of project + continue + else: + # give up on this project, keep going + break + + else: + list(map(shadow_set.add, resolvees)) + distributions.update(dict.fromkeys(resolvees)) + + # success, no need to try any more versions of this project + break + + distributions = list(distributions) + distributions.sort() + + return distributions, error_info + + def require(self, *requirements): + """Ensure that distributions matching `requirements` are activated + + `requirements` must be a string or a (possibly-nested) sequence + thereof, specifying the distributions and versions required. The + return value is a sequence of the distributions that needed to be + activated to fulfill the requirements; all relevant distributions are + included, even if they were already activated in this working set. + """ + needed = self.resolve(parse_requirements(requirements)) + + for dist in needed: + self.add(dist) + + return needed + + def subscribe(self, callback, existing=True): + """Invoke `callback` for all distributions + + If `existing=True` (default), + call on all existing ones, as well. + """ + if callback in self.callbacks: + return + self.callbacks.append(callback) + if not existing: + return + for dist in self: + callback(dist) + + def _added_new(self, dist): + for callback in self.callbacks: + callback(dist) + + def __getstate__(self): + return ( + self.entries[:], self.entry_keys.copy(), self.by_key.copy(), + self.callbacks[:] + ) + + def __setstate__(self, e_k_b_c): + entries, keys, by_key, callbacks = e_k_b_c + self.entries = entries[:] + self.entry_keys = keys.copy() + self.by_key = by_key.copy() + self.callbacks = callbacks[:] + + +class _ReqExtras(dict): + """ + Map each requirement to the extras that demanded it. + """ + + def markers_pass(self, req, extras=None): + """ + Evaluate markers for req against each extra that + demanded it. + + Return False if the req has a marker and fails + evaluation. Otherwise, return True. + """ + extra_evals = ( + req.marker.evaluate({'extra': extra}) + for extra in self.get(req, ()) + (extras or (None,)) + ) + return not req.marker or any(extra_evals) + + +class Environment: + """Searchable snapshot of distributions on a search path""" + + def __init__( + self, search_path=None, platform=get_supported_platform(), + python=PY_MAJOR): + """Snapshot distributions available on a search path + + Any distributions found on `search_path` are added to the environment. + `search_path` should be a sequence of ``sys.path`` items. If not + supplied, ``sys.path`` is used. + + `platform` is an optional string specifying the name of the platform + that platform-specific distributions must be compatible with. If + unspecified, it defaults to the current platform. `python` is an + optional string naming the desired version of Python (e.g. ``'3.6'``); + it defaults to the current version. + + You may explicitly set `platform` (and/or `python`) to ``None`` if you + wish to map *all* distributions, not just those compatible with the + running platform or Python version. + """ + self._distmap = {} + self.platform = platform + self.python = python + self.scan(search_path) + + def can_add(self, dist): + """Is distribution `dist` acceptable for this environment? + + The distribution must match the platform and python version + requirements specified when this environment was created, or False + is returned. + """ + py_compat = ( + self.python is None + or dist.py_version is None + or dist.py_version == self.python + ) + return py_compat and compatible_platforms(dist.platform, self.platform) + + def remove(self, dist): + """Remove `dist` from the environment""" + self._distmap[dist.key].remove(dist) + + def scan(self, search_path=None): + """Scan `search_path` for distributions usable in this environment + + Any distributions found are added to the environment. + `search_path` should be a sequence of ``sys.path`` items. If not + supplied, ``sys.path`` is used. Only distributions conforming to + the platform/python version defined at initialization are added. + """ + if search_path is None: + search_path = sys.path + + for item in search_path: + for dist in find_distributions(item): + self.add(dist) + + def __getitem__(self, project_name): + """Return a newest-to-oldest list of distributions for `project_name` + + Uses case-insensitive `project_name` comparison, assuming all the + project's distributions use their project's name converted to all + lowercase as their key. + + """ + distribution_key = project_name.lower() + return self._distmap.get(distribution_key, []) + + def add(self, dist): + """Add `dist` if we ``can_add()`` it and it has not already been added + """ + if self.can_add(dist) and dist.has_version(): + dists = self._distmap.setdefault(dist.key, []) + if dist not in dists: + dists.append(dist) + dists.sort(key=operator.attrgetter('hashcmp'), reverse=True) + + def best_match( + self, req, working_set, installer=None, replace_conflicting=False): + """Find distribution best matching `req` and usable on `working_set` + + This calls the ``find(req)`` method of the `working_set` to see if a + suitable distribution is already active. (This may raise + ``VersionConflict`` if an unsuitable version of the project is already + active in the specified `working_set`.) If a suitable distribution + isn't active, this method returns the newest distribution in the + environment that meets the ``Requirement`` in `req`. If no suitable + distribution is found, and `installer` is supplied, then the result of + calling the environment's ``obtain(req, installer)`` method will be + returned. + """ + try: + dist = working_set.find(req) + except VersionConflict: + if not replace_conflicting: + raise + dist = None + if dist is not None: + return dist + for dist in self[req.key]: + if dist in req: + return dist + # try to download/install + return self.obtain(req, installer) + + def obtain(self, requirement, installer=None): + """Obtain a distribution matching `requirement` (e.g. via download) + + Obtain a distro that matches requirement (e.g. via download). In the + base ``Environment`` class, this routine just returns + ``installer(requirement)``, unless `installer` is None, in which case + None is returned instead. This method is a hook that allows subclasses + to attempt other ways of obtaining a distribution before falling back + to the `installer` argument.""" + if installer is not None: + return installer(requirement) + + def __iter__(self): + """Yield the unique project names of the available distributions""" + for key in self._distmap.keys(): + if self[key]: + yield key + + def __iadd__(self, other): + """In-place addition of a distribution or environment""" + if isinstance(other, Distribution): + self.add(other) + elif isinstance(other, Environment): + for project in other: + for dist in other[project]: + self.add(dist) + else: + raise TypeError("Can't add %r to environment" % (other,)) + return self + + def __add__(self, other): + """Add an environment or distribution to an environment""" + new = self.__class__([], platform=None, python=None) + for env in self, other: + new += env + return new + + +# XXX backward compatibility +AvailableDistributions = Environment + + +class ExtractionError(RuntimeError): + """An error occurred extracting a resource + + The following attributes are available from instances of this exception: + + manager + The resource manager that raised this exception + + cache_path + The base directory for resource extraction + + original_error + The exception instance that caused extraction to fail + """ + + +class ResourceManager: + """Manage resource extraction and packages""" + extraction_path = None + + def __init__(self): + self.cached_files = {} + + def resource_exists(self, package_or_requirement, resource_name): + """Does the named resource exist?""" + return get_provider(package_or_requirement).has_resource(resource_name) + + def resource_isdir(self, package_or_requirement, resource_name): + """Is the named resource an existing directory?""" + return get_provider(package_or_requirement).resource_isdir( + resource_name + ) + + def resource_filename(self, package_or_requirement, resource_name): + """Return a true filesystem path for specified resource""" + return get_provider(package_or_requirement).get_resource_filename( + self, resource_name + ) + + def resource_stream(self, package_or_requirement, resource_name): + """Return a readable file-like object for specified resource""" + return get_provider(package_or_requirement).get_resource_stream( + self, resource_name + ) + + def resource_string(self, package_or_requirement, resource_name): + """Return specified resource as a string""" + return get_provider(package_or_requirement).get_resource_string( + self, resource_name + ) + + def resource_listdir(self, package_or_requirement, resource_name): + """List the contents of the named resource directory""" + return get_provider(package_or_requirement).resource_listdir( + resource_name + ) + + def extraction_error(self): + """Give an error message for problems extracting file(s)""" + + old_exc = sys.exc_info()[1] + cache_path = self.extraction_path or get_default_cache() + + tmpl = textwrap.dedent(""" + Can't extract file(s) to egg cache + + The following error occurred while trying to extract file(s) + to the Python egg cache: + + {old_exc} + + The Python egg cache directory is currently set to: + + {cache_path} + + Perhaps your account does not have write access to this directory? + You can change the cache directory by setting the PYTHON_EGG_CACHE + environment variable to point to an accessible directory. + """).lstrip() + err = ExtractionError(tmpl.format(**locals())) + err.manager = self + err.cache_path = cache_path + err.original_error = old_exc + raise err + + def get_cache_path(self, archive_name, names=()): + """Return absolute location in cache for `archive_name` and `names` + + The parent directory of the resulting path will be created if it does + not already exist. `archive_name` should be the base filename of the + enclosing egg (which may not be the name of the enclosing zipfile!), + including its ".egg" extension. `names`, if provided, should be a + sequence of path name parts "under" the egg's extraction location. + + This method should only be called by resource providers that need to + obtain an extraction location, and only for names they intend to + extract, as it tracks the generated names for possible cleanup later. + """ + extract_path = self.extraction_path or get_default_cache() + target_path = os.path.join(extract_path, archive_name + '-tmp', *names) + try: + _bypass_ensure_directory(target_path) + except Exception: + self.extraction_error() + + self._warn_unsafe_extraction_path(extract_path) + + self.cached_files[target_path] = 1 + return target_path + + @staticmethod + def _warn_unsafe_extraction_path(path): + """ + If the default extraction path is overridden and set to an insecure + location, such as /tmp, it opens up an opportunity for an attacker to + replace an extracted file with an unauthorized payload. Warn the user + if a known insecure location is used. + + See Distribute #375 for more details. + """ + if os.name == 'nt' and not path.startswith(os.environ['windir']): + # On Windows, permissions are generally restrictive by default + # and temp directories are not writable by other users, so + # bypass the warning. + return + mode = os.stat(path).st_mode + if mode & stat.S_IWOTH or mode & stat.S_IWGRP: + msg = ( + "%s is writable by group/others and vulnerable to attack " + "when " + "used with get_resource_filename. Consider a more secure " + "location (set with .set_extraction_path or the " + "PYTHON_EGG_CACHE environment variable)." % path + ) + warnings.warn(msg, UserWarning) + + def postprocess(self, tempname, filename): + """Perform any platform-specific postprocessing of `tempname` + + This is where Mac header rewrites should be done; other platforms don't + have anything special they should do. + + Resource providers should call this method ONLY after successfully + extracting a compressed resource. They must NOT call it on resources + that are already in the filesystem. + + `tempname` is the current (temporary) name of the file, and `filename` + is the name it will be renamed to by the caller after this routine + returns. + """ + + if os.name == 'posix': + # Make the resource executable + mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777 + os.chmod(tempname, mode) + + def set_extraction_path(self, path): + """Set the base path where resources will be extracted to, if needed. + + If you do not call this routine before any extractions take place, the + path defaults to the return value of ``get_default_cache()``. (Which + is based on the ``PYTHON_EGG_CACHE`` environment variable, with various + platform-specific fallbacks. See that routine's documentation for more + details.) + + Resources are extracted to subdirectories of this path based upon + information given by the ``IResourceProvider``. You may set this to a + temporary directory, but then you must call ``cleanup_resources()`` to + delete the extracted files when done. There is no guarantee that + ``cleanup_resources()`` will be able to remove all extracted files. + + (Note: you may not change the extraction path for a given resource + manager once resources have been extracted, unless you first call + ``cleanup_resources()``.) + """ + if self.cached_files: + raise ValueError( + "Can't change extraction path, files already extracted" + ) + + self.extraction_path = path + + def cleanup_resources(self, force=False): + """ + Delete all extracted resource files and directories, returning a list + of the file and directory names that could not be successfully removed. + This function does not have any concurrency protection, so it should + generally only be called when the extraction path is a temporary + directory exclusive to a single process. This method is not + automatically called; you must call it explicitly or register it as an + ``atexit`` function if you wish to ensure cleanup of a temporary + directory used for extractions. + """ + # XXX + + +def get_default_cache(): + """ + Return the ``PYTHON_EGG_CACHE`` environment variable + or a platform-relevant user cache dir for an app + named "Python-Eggs". + """ + return ( + os.environ.get('PYTHON_EGG_CACHE') + or appdirs.user_cache_dir(appname='Python-Eggs') + ) + + +def safe_name(name): + """Convert an arbitrary string to a standard distribution name + + Any runs of non-alphanumeric/. characters are replaced with a single '-'. + """ + return re.sub('[^A-Za-z0-9.]+', '-', name) + + +def safe_version(version): + """ + Convert an arbitrary string to a standard version string + """ + try: + # normalize the version + return str(packaging.version.Version(version)) + except packaging.version.InvalidVersion: + version = version.replace(' ', '.') + return re.sub('[^A-Za-z0-9.]+', '-', version) + + +def safe_extra(extra): + """Convert an arbitrary string to a standard 'extra' name + + Any runs of non-alphanumeric characters are replaced with a single '_', + and the result is always lowercased. + """ + return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower() + + +def to_filename(name): + """Convert a project or version name to its filename-escaped form + + Any '-' characters are currently replaced with '_'. + """ + return name.replace('-', '_') + + +def invalid_marker(text): + """ + Validate text as a PEP 508 environment marker; return an exception + if invalid or False otherwise. + """ + try: + evaluate_marker(text) + except SyntaxError as e: + e.filename = None + e.lineno = None + return e + return False + + +def evaluate_marker(text, extra=None): + """ + Evaluate a PEP 508 environment marker. + Return a boolean indicating the marker result in this environment. + Raise SyntaxError if marker is invalid. + + This implementation uses the 'pyparsing' module. + """ + try: + marker = packaging.markers.Marker(text) + return marker.evaluate() + except packaging.markers.InvalidMarker as e: + raise SyntaxError(e) + + +class NullProvider: + """Try to implement resources and metadata for arbitrary PEP 302 loaders""" + + egg_name = None + egg_info = None + loader = None + + def __init__(self, module): + self.loader = getattr(module, '__loader__', None) + self.module_path = os.path.dirname(getattr(module, '__file__', '')) + + def get_resource_filename(self, manager, resource_name): + return self._fn(self.module_path, resource_name) + + def get_resource_stream(self, manager, resource_name): + return io.BytesIO(self.get_resource_string(manager, resource_name)) + + def get_resource_string(self, manager, resource_name): + return self._get(self._fn(self.module_path, resource_name)) + + def has_resource(self, resource_name): + return self._has(self._fn(self.module_path, resource_name)) + + def has_metadata(self, name): + return self.egg_info and self._has(self._fn(self.egg_info, name)) + + def get_metadata(self, name): + if not self.egg_info: + return "" + value = self._get(self._fn(self.egg_info, name)) + return value.decode('utf-8') if six.PY3 else value + + def get_metadata_lines(self, name): + return yield_lines(self.get_metadata(name)) + + def resource_isdir(self, resource_name): + return self._isdir(self._fn(self.module_path, resource_name)) + + def metadata_isdir(self, name): + return self.egg_info and self._isdir(self._fn(self.egg_info, name)) + + def resource_listdir(self, resource_name): + return self._listdir(self._fn(self.module_path, resource_name)) + + def metadata_listdir(self, name): + if self.egg_info: + return self._listdir(self._fn(self.egg_info, name)) + return [] + + def run_script(self, script_name, namespace): + script = 'scripts/' + script_name + if not self.has_metadata(script): + raise ResolutionError( + "Script {script!r} not found in metadata at {self.egg_info!r}" + .format(**locals()), + ) + script_text = self.get_metadata(script).replace('\r\n', '\n') + script_text = script_text.replace('\r', '\n') + script_filename = self._fn(self.egg_info, script) + namespace['__file__'] = script_filename + if os.path.exists(script_filename): + source = open(script_filename).read() + code = compile(source, script_filename, 'exec') + exec(code, namespace, namespace) + else: + from linecache import cache + cache[script_filename] = ( + len(script_text), 0, script_text.split('\n'), script_filename + ) + script_code = compile(script_text, script_filename, 'exec') + exec(script_code, namespace, namespace) + + def _has(self, path): + raise NotImplementedError( + "Can't perform this operation for unregistered loader type" + ) + + def _isdir(self, path): + raise NotImplementedError( + "Can't perform this operation for unregistered loader type" + ) + + def _listdir(self, path): + raise NotImplementedError( + "Can't perform this operation for unregistered loader type" + ) + + def _fn(self, base, resource_name): + if resource_name: + return os.path.join(base, *resource_name.split('/')) + return base + + def _get(self, path): + if hasattr(self.loader, 'get_data'): + return self.loader.get_data(path) + raise NotImplementedError( + "Can't perform this operation for loaders without 'get_data()'" + ) + + +register_loader_type(object, NullProvider) + + +class EggProvider(NullProvider): + """Provider based on a virtual filesystem""" + + def __init__(self, module): + NullProvider.__init__(self, module) + self._setup_prefix() + + def _setup_prefix(self): + # we assume here that our metadata may be nested inside a "basket" + # of multiple eggs; that's why we use module_path instead of .archive + path = self.module_path + old = None + while path != old: + if _is_egg_path(path): + self.egg_name = os.path.basename(path) + self.egg_info = os.path.join(path, 'EGG-INFO') + self.egg_root = path + break + old = path + path, base = os.path.split(path) + + +class DefaultProvider(EggProvider): + """Provides access to package resources in the filesystem""" + + def _has(self, path): + return os.path.exists(path) + + def _isdir(self, path): + return os.path.isdir(path) + + def _listdir(self, path): + return os.listdir(path) + + def get_resource_stream(self, manager, resource_name): + return open(self._fn(self.module_path, resource_name), 'rb') + + def _get(self, path): + with open(path, 'rb') as stream: + return stream.read() + + @classmethod + def _register(cls): + loader_names = 'SourceFileLoader', 'SourcelessFileLoader', + for name in loader_names: + loader_cls = getattr(importlib_machinery, name, type(None)) + register_loader_type(loader_cls, cls) + + +DefaultProvider._register() + + +class EmptyProvider(NullProvider): + """Provider that returns nothing for all requests""" + + module_path = None + + _isdir = _has = lambda self, path: False + + def _get(self, path): + return '' + + def _listdir(self, path): + return [] + + def __init__(self): + pass + + +empty_provider = EmptyProvider() + + +class ZipManifests(dict): + """ + zip manifest builder + """ + + @classmethod + def build(cls, path): + """ + Build a dictionary similar to the zipimport directory + caches, except instead of tuples, store ZipInfo objects. + + Use a platform-specific path separator (os.sep) for the path keys + for compatibility with pypy on Windows. + """ + with zipfile.ZipFile(path) as zfile: + items = ( + ( + name.replace('/', os.sep), + zfile.getinfo(name), + ) + for name in zfile.namelist() + ) + return dict(items) + + load = build + + +class MemoizedZipManifests(ZipManifests): + """ + Memoized zipfile manifests. + """ + manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime') + + def load(self, path): + """ + Load a manifest at path or return a suitable manifest already loaded. + """ + path = os.path.normpath(path) + mtime = os.stat(path).st_mtime + + if path not in self or self[path].mtime != mtime: + manifest = self.build(path) + self[path] = self.manifest_mod(manifest, mtime) + + return self[path].manifest + + +class ZipProvider(EggProvider): + """Resource support for zips and eggs""" + + eagers = None + _zip_manifests = MemoizedZipManifests() + + def __init__(self, module): + EggProvider.__init__(self, module) + self.zip_pre = self.loader.archive + os.sep + + def _zipinfo_name(self, fspath): + # Convert a virtual filename (full path to file) into a zipfile subpath + # usable with the zipimport directory cache for our target archive + fspath = fspath.rstrip(os.sep) + if fspath == self.loader.archive: + return '' + if fspath.startswith(self.zip_pre): + return fspath[len(self.zip_pre):] + raise AssertionError( + "%s is not a subpath of %s" % (fspath, self.zip_pre) + ) + + def _parts(self, zip_path): + # Convert a zipfile subpath into an egg-relative path part list. + # pseudo-fs path + fspath = self.zip_pre + zip_path + if fspath.startswith(self.egg_root + os.sep): + return fspath[len(self.egg_root) + 1:].split(os.sep) + raise AssertionError( + "%s is not a subpath of %s" % (fspath, self.egg_root) + ) + + @property + def zipinfo(self): + return self._zip_manifests.load(self.loader.archive) + + def get_resource_filename(self, manager, resource_name): + if not self.egg_name: + raise NotImplementedError( + "resource_filename() only supported for .egg, not .zip" + ) + # no need to lock for extraction, since we use temp names + zip_path = self._resource_to_zip(resource_name) + eagers = self._get_eager_resources() + if '/'.join(self._parts(zip_path)) in eagers: + for name in eagers: + self._extract_resource(manager, self._eager_to_zip(name)) + return self._extract_resource(manager, zip_path) + + @staticmethod + def _get_date_and_size(zip_stat): + size = zip_stat.file_size + # ymdhms+wday, yday, dst + date_time = zip_stat.date_time + (0, 0, -1) + # 1980 offset already done + timestamp = time.mktime(date_time) + return timestamp, size + + def _extract_resource(self, manager, zip_path): + + if zip_path in self._index(): + for name in self._index()[zip_path]: + last = self._extract_resource( + manager, os.path.join(zip_path, name) + ) + # return the extracted directory name + return os.path.dirname(last) + + timestamp, size = self._get_date_and_size(self.zipinfo[zip_path]) + + if not WRITE_SUPPORT: + raise IOError('"os.rename" and "os.unlink" are not supported ' + 'on this platform') + try: + + real_path = manager.get_cache_path( + self.egg_name, self._parts(zip_path) + ) + + if self._is_current(real_path, zip_path): + return real_path + + outf, tmpnam = _mkstemp( + ".$extract", + dir=os.path.dirname(real_path), + ) + os.write(outf, self.loader.get_data(zip_path)) + os.close(outf) + utime(tmpnam, (timestamp, timestamp)) + manager.postprocess(tmpnam, real_path) + + try: + rename(tmpnam, real_path) + + except os.error: + if os.path.isfile(real_path): + if self._is_current(real_path, zip_path): + # the file became current since it was checked above, + # so proceed. + return real_path + # Windows, del old file and retry + elif os.name == 'nt': + unlink(real_path) + rename(tmpnam, real_path) + return real_path + raise + + except os.error: + # report a user-friendly error + manager.extraction_error() + + return real_path + + def _is_current(self, file_path, zip_path): + """ + Return True if the file_path is current for this zip_path + """ + timestamp, size = self._get_date_and_size(self.zipinfo[zip_path]) + if not os.path.isfile(file_path): + return False + stat = os.stat(file_path) + if stat.st_size != size or stat.st_mtime != timestamp: + return False + # check that the contents match + zip_contents = self.loader.get_data(zip_path) + with open(file_path, 'rb') as f: + file_contents = f.read() + return zip_contents == file_contents + + def _get_eager_resources(self): + if self.eagers is None: + eagers = [] + for name in ('native_libs.txt', 'eager_resources.txt'): + if self.has_metadata(name): + eagers.extend(self.get_metadata_lines(name)) + self.eagers = eagers + return self.eagers + + def _index(self): + try: + return self._dirindex + except AttributeError: + ind = {} + for path in self.zipinfo: + parts = path.split(os.sep) + while parts: + parent = os.sep.join(parts[:-1]) + if parent in ind: + ind[parent].append(parts[-1]) + break + else: + ind[parent] = [parts.pop()] + self._dirindex = ind + return ind + + def _has(self, fspath): + zip_path = self._zipinfo_name(fspath) + return zip_path in self.zipinfo or zip_path in self._index() + + def _isdir(self, fspath): + return self._zipinfo_name(fspath) in self._index() + + def _listdir(self, fspath): + return list(self._index().get(self._zipinfo_name(fspath), ())) + + def _eager_to_zip(self, resource_name): + return self._zipinfo_name(self._fn(self.egg_root, resource_name)) + + def _resource_to_zip(self, resource_name): + return self._zipinfo_name(self._fn(self.module_path, resource_name)) + + +register_loader_type(zipimport.zipimporter, ZipProvider) + + +class FileMetadata(EmptyProvider): + """Metadata handler for standalone PKG-INFO files + + Usage:: + + metadata = FileMetadata("/path/to/PKG-INFO") + + This provider rejects all data and metadata requests except for PKG-INFO, + which is treated as existing, and will be the contents of the file at + the provided location. + """ + + def __init__(self, path): + self.path = path + + def has_metadata(self, name): + return name == 'PKG-INFO' and os.path.isfile(self.path) + + def get_metadata(self, name): + if name != 'PKG-INFO': + raise KeyError("No metadata except PKG-INFO is available") + + with io.open(self.path, encoding='utf-8', errors="replace") as f: + metadata = f.read() + self._warn_on_replacement(metadata) + return metadata + + def _warn_on_replacement(self, metadata): + # Python 2.7 compat for: replacement_char = '�' + replacement_char = b'\xef\xbf\xbd'.decode('utf-8') + if replacement_char in metadata: + tmpl = "{self.path} could not be properly decoded in UTF-8" + msg = tmpl.format(**locals()) + warnings.warn(msg) + + def get_metadata_lines(self, name): + return yield_lines(self.get_metadata(name)) + + +class PathMetadata(DefaultProvider): + """Metadata provider for egg directories + + Usage:: + + # Development eggs: + + egg_info = "/path/to/PackageName.egg-info" + base_dir = os.path.dirname(egg_info) + metadata = PathMetadata(base_dir, egg_info) + dist_name = os.path.splitext(os.path.basename(egg_info))[0] + dist = Distribution(basedir, project_name=dist_name, metadata=metadata) + + # Unpacked egg directories: + + egg_path = "/path/to/PackageName-ver-pyver-etc.egg" + metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO')) + dist = Distribution.from_filename(egg_path, metadata=metadata) + """ + + def __init__(self, path, egg_info): + self.module_path = path + self.egg_info = egg_info + + +class EggMetadata(ZipProvider): + """Metadata provider for .egg files""" + + def __init__(self, importer): + """Create a metadata provider from a zipimporter""" + + self.zip_pre = importer.archive + os.sep + self.loader = importer + if importer.prefix: + self.module_path = os.path.join(importer.archive, importer.prefix) + else: + self.module_path = importer.archive + self._setup_prefix() + + +_declare_state('dict', _distribution_finders={}) + + +def register_finder(importer_type, distribution_finder): + """Register `distribution_finder` to find distributions in sys.path items + + `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item + handler), and `distribution_finder` is a callable that, passed a path + item and the importer instance, yields ``Distribution`` instances found on + that path item. See ``pkg_resources.find_on_path`` for an example.""" + _distribution_finders[importer_type] = distribution_finder + + +def find_distributions(path_item, only=False): + """Yield distributions accessible via `path_item`""" + importer = get_importer(path_item) + finder = _find_adapter(_distribution_finders, importer) + return finder(importer, path_item, only) + + +def find_eggs_in_zip(importer, path_item, only=False): + """ + Find eggs in zip files; possibly multiple nested eggs. + """ + if importer.archive.endswith('.whl'): + # wheels are not supported with this finder + # they don't have PKG-INFO metadata, and won't ever contain eggs + return + metadata = EggMetadata(importer) + if metadata.has_metadata('PKG-INFO'): + yield Distribution.from_filename(path_item, metadata=metadata) + if only: + # don't yield nested distros + return + for subitem in metadata.resource_listdir('/'): + if _is_egg_path(subitem): + subpath = os.path.join(path_item, subitem) + dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath) + for dist in dists: + yield dist + elif subitem.lower().endswith('.dist-info'): + subpath = os.path.join(path_item, subitem) + submeta = EggMetadata(zipimport.zipimporter(subpath)) + submeta.egg_info = subpath + yield Distribution.from_location(path_item, subitem, submeta) + + +register_finder(zipimport.zipimporter, find_eggs_in_zip) + + +def find_nothing(importer, path_item, only=False): + return () + + +register_finder(object, find_nothing) + + +def _by_version_descending(names): + """ + Given a list of filenames, return them in descending order + by version number. + + >>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg' + >>> _by_version_descending(names) + ['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar'] + >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg' + >>> _by_version_descending(names) + ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg'] + >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg' + >>> _by_version_descending(names) + ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg'] + """ + def _by_version(name): + """ + Parse each component of the filename + """ + name, ext = os.path.splitext(name) + parts = itertools.chain(name.split('-'), [ext]) + return [packaging.version.parse(part) for part in parts] + + return sorted(names, key=_by_version, reverse=True) + + +def find_on_path(importer, path_item, only=False): + """Yield distributions accessible on a sys.path directory""" + path_item = _normalize_cached(path_item) + + if _is_unpacked_egg(path_item): + yield Distribution.from_filename( + path_item, metadata=PathMetadata( + path_item, os.path.join(path_item, 'EGG-INFO') + ) + ) + return + + entries = safe_listdir(path_item) + + # for performance, before sorting by version, + # screen entries for only those that will yield + # distributions + filtered = ( + entry + for entry in entries + if dist_factory(path_item, entry, only) + ) + + # scan for .egg and .egg-info in directory + path_item_entries = _by_version_descending(filtered) + for entry in path_item_entries: + fullpath = os.path.join(path_item, entry) + factory = dist_factory(path_item, entry, only) + for dist in factory(fullpath): + yield dist + + +def dist_factory(path_item, entry, only): + """ + Return a dist_factory for a path_item and entry + """ + lower = entry.lower() + is_meta = any(map(lower.endswith, ('.egg-info', '.dist-info'))) + return ( + distributions_from_metadata + if is_meta else + find_distributions + if not only and _is_egg_path(entry) else + resolve_egg_link + if not only and lower.endswith('.egg-link') else + NoDists() + ) + + +class NoDists: + """ + >>> bool(NoDists()) + False + + >>> list(NoDists()('anything')) + [] + """ + def __bool__(self): + return False + if six.PY2: + __nonzero__ = __bool__ + + def __call__(self, fullpath): + return iter(()) + + +def safe_listdir(path): + """ + Attempt to list contents of path, but suppress some exceptions. + """ + try: + return os.listdir(path) + except (PermissionError, NotADirectoryError): + pass + except OSError as e: + # Ignore the directory if does not exist, not a directory or + # permission denied + ignorable = ( + e.errno in (errno.ENOTDIR, errno.EACCES, errno.ENOENT) + # Python 2 on Windows needs to be handled this way :( + or getattr(e, "winerror", None) == 267 + ) + if not ignorable: + raise + return () + + +def distributions_from_metadata(path): + root = os.path.dirname(path) + if os.path.isdir(path): + if len(os.listdir(path)) == 0: + # empty metadata dir; skip + return + metadata = PathMetadata(root, path) + else: + metadata = FileMetadata(path) + entry = os.path.basename(path) + yield Distribution.from_location( + root, entry, metadata, precedence=DEVELOP_DIST, + ) + + +def non_empty_lines(path): + """ + Yield non-empty lines from file at path + """ + with open(path) as f: + for line in f: + line = line.strip() + if line: + yield line + + +def resolve_egg_link(path): + """ + Given a path to an .egg-link, resolve distributions + present in the referenced path. + """ + referenced_paths = non_empty_lines(path) + resolved_paths = ( + os.path.join(os.path.dirname(path), ref) + for ref in referenced_paths + ) + dist_groups = map(find_distributions, resolved_paths) + return next(dist_groups, ()) + + +register_finder(pkgutil.ImpImporter, find_on_path) + +if hasattr(importlib_machinery, 'FileFinder'): + register_finder(importlib_machinery.FileFinder, find_on_path) + +_declare_state('dict', _namespace_handlers={}) +_declare_state('dict', _namespace_packages={}) + + +def register_namespace_handler(importer_type, namespace_handler): + """Register `namespace_handler` to declare namespace packages + + `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item + handler), and `namespace_handler` is a callable like this:: + + def namespace_handler(importer, path_entry, moduleName, module): + # return a path_entry to use for child packages + + Namespace handlers are only called if the importer object has already + agreed that it can handle the relevant path item, and they should only + return a subpath if the module __path__ does not already contain an + equivalent subpath. For an example namespace handler, see + ``pkg_resources.file_ns_handler``. + """ + _namespace_handlers[importer_type] = namespace_handler + + +def _handle_ns(packageName, path_item): + """Ensure that named package includes a subpath of path_item (if needed)""" + + importer = get_importer(path_item) + if importer is None: + return None + + # capture warnings due to #1111 + with warnings.catch_warnings(): + warnings.simplefilter("ignore") + loader = importer.find_module(packageName) + + if loader is None: + return None + module = sys.modules.get(packageName) + if module is None: + module = sys.modules[packageName] = types.ModuleType(packageName) + module.__path__ = [] + _set_parent_ns(packageName) + elif not hasattr(module, '__path__'): + raise TypeError("Not a package:", packageName) + handler = _find_adapter(_namespace_handlers, importer) + subpath = handler(importer, path_item, packageName, module) + if subpath is not None: + path = module.__path__ + path.append(subpath) + loader.load_module(packageName) + _rebuild_mod_path(path, packageName, module) + return subpath + + +def _rebuild_mod_path(orig_path, package_name, module): + """ + Rebuild module.__path__ ensuring that all entries are ordered + corresponding to their sys.path order + """ + sys_path = [_normalize_cached(p) for p in sys.path] + + def safe_sys_path_index(entry): + """ + Workaround for #520 and #513. + """ + try: + return sys_path.index(entry) + except ValueError: + return float('inf') + + def position_in_sys_path(path): + """ + Return the ordinal of the path based on its position in sys.path + """ + path_parts = path.split(os.sep) + module_parts = package_name.count('.') + 1 + parts = path_parts[:-module_parts] + return safe_sys_path_index(_normalize_cached(os.sep.join(parts))) + + new_path = sorted(orig_path, key=position_in_sys_path) + new_path = [_normalize_cached(p) for p in new_path] + + if isinstance(module.__path__, list): + module.__path__[:] = new_path + else: + module.__path__ = new_path + + +def declare_namespace(packageName): + """Declare that package 'packageName' is a namespace package""" + + _imp.acquire_lock() + try: + if packageName in _namespace_packages: + return + + path = sys.path + parent, _, _ = packageName.rpartition('.') + + if parent: + declare_namespace(parent) + if parent not in _namespace_packages: + __import__(parent) + try: + path = sys.modules[parent].__path__ + except AttributeError: + raise TypeError("Not a package:", parent) + + # Track what packages are namespaces, so when new path items are added, + # they can be updated + _namespace_packages.setdefault(parent or None, []).append(packageName) + _namespace_packages.setdefault(packageName, []) + + for path_item in path: + # Ensure all the parent's path items are reflected in the child, + # if they apply + _handle_ns(packageName, path_item) + + finally: + _imp.release_lock() + + +def fixup_namespace_packages(path_item, parent=None): + """Ensure that previously-declared namespace packages include path_item""" + _imp.acquire_lock() + try: + for package in _namespace_packages.get(parent, ()): + subpath = _handle_ns(package, path_item) + if subpath: + fixup_namespace_packages(subpath, package) + finally: + _imp.release_lock() + + +def file_ns_handler(importer, path_item, packageName, module): + """Compute an ns-package subpath for a filesystem or zipfile importer""" + + subpath = os.path.join(path_item, packageName.split('.')[-1]) + normalized = _normalize_cached(subpath) + for item in module.__path__: + if _normalize_cached(item) == normalized: + break + else: + # Only return the path if it's not already there + return subpath + + +register_namespace_handler(pkgutil.ImpImporter, file_ns_handler) +register_namespace_handler(zipimport.zipimporter, file_ns_handler) + +if hasattr(importlib_machinery, 'FileFinder'): + register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler) + + +def null_ns_handler(importer, path_item, packageName, module): + return None + + +register_namespace_handler(object, null_ns_handler) + + +def normalize_path(filename): + """Normalize a file/dir name for comparison purposes""" + return os.path.normcase(os.path.realpath(os.path.normpath(_cygwin_patch(filename)))) + + +def _cygwin_patch(filename): # pragma: nocover + """ + Contrary to POSIX 2008, on Cygwin, getcwd (3) contains + symlink components. Using + os.path.abspath() works around this limitation. A fix in os.getcwd() + would probably better, in Cygwin even more so, except + that this seems to be by design... + """ + return os.path.abspath(filename) if sys.platform == 'cygwin' else filename + + +def _normalize_cached(filename, _cache={}): + try: + return _cache[filename] + except KeyError: + _cache[filename] = result = normalize_path(filename) + return result + + +def _is_egg_path(path): + """ + Determine if given path appears to be an egg. + """ + return path.lower().endswith('.egg') + + +def _is_unpacked_egg(path): + """ + Determine if given path appears to be an unpacked egg. + """ + return ( + _is_egg_path(path) and + os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO')) + ) + + +def _set_parent_ns(packageName): + parts = packageName.split('.') + name = parts.pop() + if parts: + parent = '.'.join(parts) + setattr(sys.modules[parent], name, sys.modules[packageName]) + + +def yield_lines(strs): + """Yield non-empty/non-comment lines of a string or sequence""" + if isinstance(strs, six.string_types): + for s in strs.splitlines(): + s = s.strip() + # skip blank lines/comments + if s and not s.startswith('#'): + yield s + else: + for ss in strs: + for s in yield_lines(ss): + yield s + + +MODULE = re.compile(r"\w+(\.\w+)*$").match +EGG_NAME = re.compile( + r""" + (?P<name>[^-]+) ( + -(?P<ver>[^-]+) ( + -py(?P<pyver>[^-]+) ( + -(?P<plat>.+) + )? + )? + )? + """, + re.VERBOSE | re.IGNORECASE, +).match + + +class EntryPoint: + """Object representing an advertised importable object""" + + def __init__(self, name, module_name, attrs=(), extras=(), dist=None): + if not MODULE(module_name): + raise ValueError("Invalid module name", module_name) + self.name = name + self.module_name = module_name + self.attrs = tuple(attrs) + self.extras = tuple(extras) + self.dist = dist + + def __str__(self): + s = "%s = %s" % (self.name, self.module_name) + if self.attrs: + s += ':' + '.'.join(self.attrs) + if self.extras: + s += ' [%s]' % ','.join(self.extras) + return s + + def __repr__(self): + return "EntryPoint.parse(%r)" % str(self) + + def load(self, require=True, *args, **kwargs): + """ + Require packages for this EntryPoint, then resolve it. + """ + if not require or args or kwargs: + warnings.warn( + "Parameters to load are deprecated. Call .resolve and " + ".require separately.", + PkgResourcesDeprecationWarning, + stacklevel=2, + ) + if require: + self.require(*args, **kwargs) + return self.resolve() + + def resolve(self): + """ + Resolve the entry point from its module and attrs. + """ + module = __import__(self.module_name, fromlist=['__name__'], level=0) + try: + return functools.reduce(getattr, self.attrs, module) + except AttributeError as exc: + raise ImportError(str(exc)) + + def require(self, env=None, installer=None): + if self.extras and not self.dist: + raise UnknownExtra("Can't require() without a distribution", self) + + # Get the requirements for this entry point with all its extras and + # then resolve them. We have to pass `extras` along when resolving so + # that the working set knows what extras we want. Otherwise, for + # dist-info distributions, the working set will assume that the + # requirements for that extra are purely optional and skip over them. + reqs = self.dist.requires(self.extras) + items = working_set.resolve(reqs, env, installer, extras=self.extras) + list(map(working_set.add, items)) + + pattern = re.compile( + r'\s*' + r'(?P<name>.+?)\s*' + r'=\s*' + r'(?P<module>[\w.]+)\s*' + r'(:\s*(?P<attr>[\w.]+))?\s*' + r'(?P<extras>\[.*\])?\s*$' + ) + + @classmethod + def parse(cls, src, dist=None): + """Parse a single entry point from string `src` + + Entry point syntax follows the form:: + + name = some.module:some.attr [extra1, extra2] + + The entry name and module name are required, but the ``:attrs`` and + ``[extras]`` parts are optional + """ + m = cls.pattern.match(src) + if not m: + msg = "EntryPoint must be in 'name=module:attrs [extras]' format" + raise ValueError(msg, src) + res = m.groupdict() + extras = cls._parse_extras(res['extras']) + attrs = res['attr'].split('.') if res['attr'] else () + return cls(res['name'], res['module'], attrs, extras, dist) + + @classmethod + def _parse_extras(cls, extras_spec): + if not extras_spec: + return () + req = Requirement.parse('x' + extras_spec) + if req.specs: + raise ValueError() + return req.extras + + @classmethod + def parse_group(cls, group, lines, dist=None): + """Parse an entry point group""" + if not MODULE(group): + raise ValueError("Invalid group name", group) + this = {} + for line in yield_lines(lines): + ep = cls.parse(line, dist) + if ep.name in this: + raise ValueError("Duplicate entry point", group, ep.name) + this[ep.name] = ep + return this + + @classmethod + def parse_map(cls, data, dist=None): + """Parse a map of entry point groups""" + if isinstance(data, dict): + data = data.items() + else: + data = split_sections(data) + maps = {} + for group, lines in data: + if group is None: + if not lines: + continue + raise ValueError("Entry points must be listed in groups") + group = group.strip() + if group in maps: + raise ValueError("Duplicate group name", group) + maps[group] = cls.parse_group(group, lines, dist) + return maps + + +def _remove_md5_fragment(location): + if not location: + return '' + parsed = urllib.parse.urlparse(location) + if parsed[-1].startswith('md5='): + return urllib.parse.urlunparse(parsed[:-1] + ('',)) + return location + + +def _version_from_file(lines): + """ + Given an iterable of lines from a Metadata file, return + the value of the Version field, if present, or None otherwise. + """ + def is_version_line(line): + return line.lower().startswith('version:') + version_lines = filter(is_version_line, lines) + line = next(iter(version_lines), '') + _, _, value = line.partition(':') + return safe_version(value.strip()) or None + + +class Distribution: + """Wrap an actual or potential sys.path entry w/metadata""" + PKG_INFO = 'PKG-INFO' + + def __init__( + self, location=None, metadata=None, project_name=None, + version=None, py_version=PY_MAJOR, platform=None, + precedence=EGG_DIST): + self.project_name = safe_name(project_name or 'Unknown') + if version is not None: + self._version = safe_version(version) + self.py_version = py_version + self.platform = platform + self.location = location + self.precedence = precedence + self._provider = metadata or empty_provider + + @classmethod + def from_location(cls, location, basename, metadata=None, **kw): + project_name, version, py_version, platform = [None] * 4 + basename, ext = os.path.splitext(basename) + if ext.lower() in _distributionImpl: + cls = _distributionImpl[ext.lower()] + + match = EGG_NAME(basename) + if match: + project_name, version, py_version, platform = match.group( + 'name', 'ver', 'pyver', 'plat' + ) + return cls( + location, metadata, project_name=project_name, version=version, + py_version=py_version, platform=platform, **kw + )._reload_version() + + def _reload_version(self): + return self + + @property + def hashcmp(self): + return ( + self.parsed_version, + self.precedence, + self.key, + _remove_md5_fragment(self.location), + self.py_version or '', + self.platform or '', + ) + + def __hash__(self): + return hash(self.hashcmp) + + def __lt__(self, other): + return self.hashcmp < other.hashcmp + + def __le__(self, other): + return self.hashcmp <= other.hashcmp + + def __gt__(self, other): + return self.hashcmp > other.hashcmp + + def __ge__(self, other): + return self.hashcmp >= other.hashcmp + + def __eq__(self, other): + if not isinstance(other, self.__class__): + # It's not a Distribution, so they are not equal + return False + return self.hashcmp == other.hashcmp + + def __ne__(self, other): + return not self == other + + # These properties have to be lazy so that we don't have to load any + # metadata until/unless it's actually needed. (i.e., some distributions + # may not know their name or version without loading PKG-INFO) + + @property + def key(self): + try: + return self._key + except AttributeError: + self._key = key = self.project_name.lower() + return key + + @property + def parsed_version(self): + if not hasattr(self, "_parsed_version"): + self._parsed_version = parse_version(self.version) + + return self._parsed_version + + def _warn_legacy_version(self): + LV = packaging.version.LegacyVersion + is_legacy = isinstance(self._parsed_version, LV) + if not is_legacy: + return + + # While an empty version is technically a legacy version and + # is not a valid PEP 440 version, it's also unlikely to + # actually come from someone and instead it is more likely that + # it comes from setuptools attempting to parse a filename and + # including it in the list. So for that we'll gate this warning + # on if the version is anything at all or not. + if not self.version: + return + + tmpl = textwrap.dedent(""" + '{project_name} ({version})' is being parsed as a legacy, + non PEP 440, + version. You may find odd behavior and sort order. + In particular it will be sorted as less than 0.0. It + is recommended to migrate to PEP 440 compatible + versions. + """).strip().replace('\n', ' ') + + warnings.warn(tmpl.format(**vars(self)), PEP440Warning) + + @property + def version(self): + try: + return self._version + except AttributeError: + version = _version_from_file(self._get_metadata(self.PKG_INFO)) + if version is None: + tmpl = "Missing 'Version:' header and/or %s file" + raise ValueError(tmpl % self.PKG_INFO, self) + return version + + @property + def _dep_map(self): + """ + A map of extra to its list of (direct) requirements + for this distribution, including the null extra. + """ + try: + return self.__dep_map + except AttributeError: + self.__dep_map = self._filter_extras(self._build_dep_map()) + return self.__dep_map + + @staticmethod + def _filter_extras(dm): + """ + Given a mapping of extras to dependencies, strip off + environment markers and filter out any dependencies + not matching the markers. + """ + for extra in list(filter(None, dm)): + new_extra = extra + reqs = dm.pop(extra) + new_extra, _, marker = extra.partition(':') + fails_marker = marker and ( + invalid_marker(marker) + or not evaluate_marker(marker) + ) + if fails_marker: + reqs = [] + new_extra = safe_extra(new_extra) or None + + dm.setdefault(new_extra, []).extend(reqs) + return dm + + def _build_dep_map(self): + dm = {} + for name in 'requires.txt', 'depends.txt': + for extra, reqs in split_sections(self._get_metadata(name)): + dm.setdefault(extra, []).extend(parse_requirements(reqs)) + return dm + + def requires(self, extras=()): + """List of Requirements needed for this distro if `extras` are used""" + dm = self._dep_map + deps = [] + deps.extend(dm.get(None, ())) + for ext in extras: + try: + deps.extend(dm[safe_extra(ext)]) + except KeyError: + raise UnknownExtra( + "%s has no such extra feature %r" % (self, ext) + ) + return deps + + def _get_metadata(self, name): + if self.has_metadata(name): + for line in self.get_metadata_lines(name): + yield line + + def activate(self, path=None, replace=False): + """Ensure distribution is importable on `path` (default=sys.path)""" + if path is None: + path = sys.path + self.insert_on(path, replace=replace) + if path is sys.path: + fixup_namespace_packages(self.location) + for pkg in self._get_metadata('namespace_packages.txt'): + if pkg in sys.modules: + declare_namespace(pkg) + + def egg_name(self): + """Return what this distribution's standard .egg filename should be""" + filename = "%s-%s-py%s" % ( + to_filename(self.project_name), to_filename(self.version), + self.py_version or PY_MAJOR + ) + + if self.platform: + filename += '-' + self.platform + return filename + + def __repr__(self): + if self.location: + return "%s (%s)" % (self, self.location) + else: + return str(self) + + def __str__(self): + try: + version = getattr(self, 'version', None) + except ValueError: + version = None + version = version or "[unknown version]" + return "%s %s" % (self.project_name, version) + + def __getattr__(self, attr): + """Delegate all unrecognized public attributes to .metadata provider""" + if attr.startswith('_'): + raise AttributeError(attr) + return getattr(self._provider, attr) + + def __dir__(self): + return list( + set(super(Distribution, self).__dir__()) + | set( + attr for attr in self._provider.__dir__() + if not attr.startswith('_') + ) + ) + + if not hasattr(object, '__dir__'): + # python 2.7 not supported + del __dir__ + + @classmethod + def from_filename(cls, filename, metadata=None, **kw): + return cls.from_location( + _normalize_cached(filename), os.path.basename(filename), metadata, + **kw + ) + + def as_requirement(self): + """Return a ``Requirement`` that matches this distribution exactly""" + if isinstance(self.parsed_version, packaging.version.Version): + spec = "%s==%s" % (self.project_name, self.parsed_version) + else: + spec = "%s===%s" % (self.project_name, self.parsed_version) + + return Requirement.parse(spec) + + def load_entry_point(self, group, name): + """Return the `name` entry point of `group` or raise ImportError""" + ep = self.get_entry_info(group, name) + if ep is None: + raise ImportError("Entry point %r not found" % ((group, name),)) + return ep.load() + + def get_entry_map(self, group=None): + """Return the entry point map for `group`, or the full entry map""" + try: + ep_map = self._ep_map + except AttributeError: + ep_map = self._ep_map = EntryPoint.parse_map( + self._get_metadata('entry_points.txt'), self + ) + if group is not None: + return ep_map.get(group, {}) + return ep_map + + def get_entry_info(self, group, name): + """Return the EntryPoint object for `group`+`name`, or ``None``""" + return self.get_entry_map(group).get(name) + + def insert_on(self, path, loc=None, replace=False): + """Ensure self.location is on path + + If replace=False (default): + - If location is already in path anywhere, do nothing. + - Else: + - If it's an egg and its parent directory is on path, + insert just ahead of the parent. + - Else: add to the end of path. + If replace=True: + - If location is already on path anywhere (not eggs) + or higher priority than its parent (eggs) + do nothing. + - Else: + - If it's an egg and its parent directory is on path, + insert just ahead of the parent, + removing any lower-priority entries. + - Else: add it to the front of path. + """ + + loc = loc or self.location + if not loc: + return + + nloc = _normalize_cached(loc) + bdir = os.path.dirname(nloc) + npath = [(p and _normalize_cached(p) or p) for p in path] + + for p, item in enumerate(npath): + if item == nloc: + if replace: + break + else: + # don't modify path (even removing duplicates) if + # found and not replace + return + elif item == bdir and self.precedence == EGG_DIST: + # if it's an .egg, give it precedence over its directory + # UNLESS it's already been added to sys.path and replace=False + if (not replace) and nloc in npath[p:]: + return + if path is sys.path: + self.check_version_conflict() + path.insert(p, loc) + npath.insert(p, nloc) + break + else: + if path is sys.path: + self.check_version_conflict() + if replace: + path.insert(0, loc) + else: + path.append(loc) + return + + # p is the spot where we found or inserted loc; now remove duplicates + while True: + try: + np = npath.index(nloc, p + 1) + except ValueError: + break + else: + del npath[np], path[np] + # ha! + p = np + + return + + def check_version_conflict(self): + if self.key == 'setuptools': + # ignore the inevitable setuptools self-conflicts :( + return + + nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt')) + loc = normalize_path(self.location) + for modname in self._get_metadata('top_level.txt'): + if (modname not in sys.modules or modname in nsp + or modname in _namespace_packages): + continue + if modname in ('pkg_resources', 'setuptools', 'site'): + continue + fn = getattr(sys.modules[modname], '__file__', None) + if fn and (normalize_path(fn).startswith(loc) or + fn.startswith(self.location)): + continue + issue_warning( + "Module %s was already imported from %s, but %s is being added" + " to sys.path" % (modname, fn, self.location), + ) + + def has_version(self): + try: + self.version + except ValueError: + issue_warning("Unbuilt egg for " + repr(self)) + return False + return True + + def clone(self, **kw): + """Copy this distribution, substituting in any changed keyword args""" + names = 'project_name version py_version platform location precedence' + for attr in names.split(): + kw.setdefault(attr, getattr(self, attr, None)) + kw.setdefault('metadata', self._provider) + return self.__class__(**kw) + + @property + def extras(self): + return [dep for dep in self._dep_map if dep] + + +class EggInfoDistribution(Distribution): + def _reload_version(self): + """ + Packages installed by distutils (e.g. numpy or scipy), + which uses an old safe_version, and so + their version numbers can get mangled when + converted to filenames (e.g., 1.11.0.dev0+2329eae to + 1.11.0.dev0_2329eae). These distributions will not be + parsed properly + downstream by Distribution and safe_version, so + take an extra step and try to get the version number from + the metadata file itself instead of the filename. + """ + md_version = _version_from_file(self._get_metadata(self.PKG_INFO)) + if md_version: + self._version = md_version + return self + + +class DistInfoDistribution(Distribution): + """ + Wrap an actual or potential sys.path entry + w/metadata, .dist-info style. + """ + PKG_INFO = 'METADATA' + EQEQ = re.compile(r"([\(,])\s*(\d.*?)\s*([,\)])") + + @property + def _parsed_pkg_info(self): + """Parse and cache metadata""" + try: + return self._pkg_info + except AttributeError: + metadata = self.get_metadata(self.PKG_INFO) + self._pkg_info = email.parser.Parser().parsestr(metadata) + return self._pkg_info + + @property + def _dep_map(self): + try: + return self.__dep_map + except AttributeError: + self.__dep_map = self._compute_dependencies() + return self.__dep_map + + def _compute_dependencies(self): + """Recompute this distribution's dependencies.""" + dm = self.__dep_map = {None: []} + + reqs = [] + # Including any condition expressions + for req in self._parsed_pkg_info.get_all('Requires-Dist') or []: + reqs.extend(parse_requirements(req)) + + def reqs_for_extra(extra): + for req in reqs: + if not req.marker or req.marker.evaluate({'extra': extra}): + yield req + + common = frozenset(reqs_for_extra(None)) + dm[None].extend(common) + + for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []: + s_extra = safe_extra(extra.strip()) + dm[s_extra] = list(frozenset(reqs_for_extra(extra)) - common) + + return dm + + +_distributionImpl = { + '.egg': Distribution, + '.egg-info': EggInfoDistribution, + '.dist-info': DistInfoDistribution, +} + + +def issue_warning(*args, **kw): + level = 1 + g = globals() + try: + # find the first stack frame that is *not* code in + # the pkg_resources module, to use for the warning + while sys._getframe(level).f_globals is g: + level += 1 + except ValueError: + pass + warnings.warn(stacklevel=level + 1, *args, **kw) + + +class RequirementParseError(ValueError): + def __str__(self): + return ' '.join(self.args) + + +def parse_requirements(strs): + """Yield ``Requirement`` objects for each specification in `strs` + + `strs` must be a string, or a (possibly-nested) iterable thereof. + """ + # create a steppable iterator, so we can handle \-continuations + lines = iter(yield_lines(strs)) + + for line in lines: + # Drop comments -- a hash without a space may be in a URL. + if ' #' in line: + line = line[:line.find(' #')] + # If there is a line continuation, drop it, and append the next line. + if line.endswith('\\'): + line = line[:-2].strip() + try: + line += next(lines) + except StopIteration: + return + yield Requirement(line) + + +class Requirement(packaging.requirements.Requirement): + def __init__(self, requirement_string): + """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!""" + try: + super(Requirement, self).__init__(requirement_string) + except packaging.requirements.InvalidRequirement as e: + raise RequirementParseError(str(e)) + self.unsafe_name = self.name + project_name = safe_name(self.name) + self.project_name, self.key = project_name, project_name.lower() + self.specs = [ + (spec.operator, spec.version) for spec in self.specifier] + self.extras = tuple(map(safe_extra, self.extras)) + self.hashCmp = ( + self.key, + self.specifier, + frozenset(self.extras), + str(self.marker) if self.marker else None, + ) + self.__hash = hash(self.hashCmp) + + def __eq__(self, other): + return ( + isinstance(other, Requirement) and + self.hashCmp == other.hashCmp + ) + + def __ne__(self, other): + return not self == other + + def __contains__(self, item): + if isinstance(item, Distribution): + if item.key != self.key: + return False + + item = item.version + + # Allow prereleases always in order to match the previous behavior of + # this method. In the future this should be smarter and follow PEP 440 + # more accurately. + return self.specifier.contains(item, prereleases=True) + + def __hash__(self): + return self.__hash + + def __repr__(self): + return "Requirement.parse(%r)" % str(self) + + @staticmethod + def parse(s): + req, = parse_requirements(s) + return req + + +def _always_object(classes): + """ + Ensure object appears in the mro even + for old-style classes. + """ + if object not in classes: + return classes + (object,) + return classes + + +def _find_adapter(registry, ob): + """Return an adapter factory for `ob` from `registry`""" + types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob)))) + for t in types: + if t in registry: + return registry[t] + + +def ensure_directory(path): + """Ensure that the parent directory of `path` exists""" + dirname = os.path.dirname(path) + py31compat.makedirs(dirname, exist_ok=True) + + +def _bypass_ensure_directory(path): + """Sandbox-bypassing version of ensure_directory()""" + if not WRITE_SUPPORT: + raise IOError('"os.mkdir" not supported on this platform.') + dirname, filename = split(path) + if dirname and filename and not isdir(dirname): + _bypass_ensure_directory(dirname) + try: + mkdir(dirname, 0o755) + except FileExistsError: + pass + + +def split_sections(s): + """Split a string or iterable thereof into (section, content) pairs + + Each ``section`` is a stripped version of the section header ("[section]") + and each ``content`` is a list of stripped lines excluding blank lines and + comment-only lines. If there are any such lines before the first section + header, they're returned in a first ``section`` of ``None``. + """ + section = None + content = [] + for line in yield_lines(s): + if line.startswith("["): + if line.endswith("]"): + if section or content: + yield section, content + section = line[1:-1].strip() + content = [] + else: + raise ValueError("Invalid section heading", line) + else: + content.append(line) + + # wrap up last segment + yield section, content + + +def _mkstemp(*args, **kw): + old_open = os.open + try: + # temporarily bypass sandboxing + os.open = os_open + return tempfile.mkstemp(*args, **kw) + finally: + # and then put it back + os.open = old_open + + +# Silence the PEP440Warning by default, so that end users don't get hit by it +# randomly just because they use pkg_resources. We want to append the rule +# because we want earlier uses of filterwarnings to take precedence over this +# one. +warnings.filterwarnings("ignore", category=PEP440Warning, append=True) + + +# from jaraco.functools 1.3 +def _call_aside(f, *args, **kwargs): + f(*args, **kwargs) + return f + + +@_call_aside +def _initialize(g=globals()): + "Set up global resource manager (deliberately not state-saved)" + manager = ResourceManager() + g['_manager'] = manager + g.update( + (name, getattr(manager, name)) + for name in dir(manager) + if not name.startswith('_') + ) + + +@_call_aside +def _initialize_master_working_set(): + """ + Prepare the master working set and make the ``require()`` + API available. + + This function has explicit effects on the global state + of pkg_resources. It is intended to be invoked once at + the initialization of this module. + + Invocation by other packages is unsupported and done + at their own risk. + """ + working_set = WorkingSet._build_master() + _declare_state('object', working_set=working_set) + + require = working_set.require + iter_entry_points = working_set.iter_entry_points + add_activation_listener = working_set.subscribe + run_script = working_set.run_script + # backward compatibility + run_main = run_script + # Activate all distributions already on sys.path with replace=False and + # ensure that all distributions added to the working set in the future + # (e.g. by calling ``require()``) will get activated as well, + # with higher priority (replace=True). + tuple( + dist.activate(replace=False) + for dist in working_set + ) + add_activation_listener( + lambda dist: dist.activate(replace=True), + existing=False, + ) + working_set.entries = [] + # match order + list(map(working_set.add_entry, sys.path)) + globals().update(locals()) + +class PkgResourcesDeprecationWarning(Warning): + """ + Base class for warning about deprecations in ``pkg_resources`` + + This class is not derived from ``DeprecationWarning``, and as such is + visible by default. + """ diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/py31compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/py31compat.py new file mode 100644 index 0000000..a2d3007 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pkg_resources/py31compat.py @@ -0,0 +1,23 @@ +import os +import errno +import sys + +from pip._vendor import six + + +def _makedirs_31(path, exist_ok=False): + try: + os.makedirs(path) + except OSError as exc: + if not exist_ok or exc.errno != errno.EEXIST: + raise + + +# rely on compatibility behavior until mode considerations +# and exists_ok considerations are disentangled. +# See https://github.com/pypa/setuptools/pull/1083#issuecomment-315168663 +needs_makedirs = ( + six.PY2 or + (3, 4) <= sys.version_info < (3, 4, 1) +) +makedirs = _makedirs_31 if needs_makedirs else os.makedirs diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/__init__.py new file mode 100644 index 0000000..a41f65d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/__init__.py @@ -0,0 +1,127 @@ +# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from __future__ import division + +from collections import deque +from datetime import timedelta +from math import ceil +from sys import stderr +from time import time + + +__version__ = '1.4' + + +class Infinite(object): + file = stderr + sma_window = 10 # Simple Moving Average window + + def __init__(self, *args, **kwargs): + self.index = 0 + self.start_ts = time() + self.avg = 0 + self._ts = self.start_ts + self._xput = deque(maxlen=self.sma_window) + for key, val in kwargs.items(): + setattr(self, key, val) + + def __getitem__(self, key): + if key.startswith('_'): + return None + return getattr(self, key, None) + + @property + def elapsed(self): + return int(time() - self.start_ts) + + @property + def elapsed_td(self): + return timedelta(seconds=self.elapsed) + + def update_avg(self, n, dt): + if n > 0: + self._xput.append(dt / n) + self.avg = sum(self._xput) / len(self._xput) + + def update(self): + pass + + def start(self): + pass + + def finish(self): + pass + + def next(self, n=1): + now = time() + dt = now - self._ts + self.update_avg(n, dt) + self._ts = now + self.index = self.index + n + self.update() + + def iter(self, it): + try: + for x in it: + yield x + self.next() + finally: + self.finish() + + +class Progress(Infinite): + def __init__(self, *args, **kwargs): + super(Progress, self).__init__(*args, **kwargs) + self.max = kwargs.get('max', 100) + + @property + def eta(self): + return int(ceil(self.avg * self.remaining)) + + @property + def eta_td(self): + return timedelta(seconds=self.eta) + + @property + def percent(self): + return self.progress * 100 + + @property + def progress(self): + return min(1, self.index / self.max) + + @property + def remaining(self): + return max(self.max - self.index, 0) + + def start(self): + self.update() + + def goto(self, index): + incr = index - self.index + self.next(incr) + + def iter(self, it): + try: + self.max = len(it) + except TypeError: + pass + + try: + for x in it: + yield x + self.next() + finally: + self.finish() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/bar.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/bar.py new file mode 100644 index 0000000..025e61c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/bar.py @@ -0,0 +1,94 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from __future__ import unicode_literals + +import sys + +from . import Progress +from .helpers import WritelnMixin + + +class Bar(WritelnMixin, Progress): + width = 32 + message = '' + suffix = '%(index)d/%(max)d' + bar_prefix = ' |' + bar_suffix = '| ' + empty_fill = ' ' + fill = '#' + hide_cursor = True + + def update(self): + filled_length = int(self.width * self.progress) + empty_length = self.width - filled_length + + message = self.message % self + bar = self.fill * filled_length + empty = self.empty_fill * empty_length + suffix = self.suffix % self + line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix, + suffix]) + self.writeln(line) + + +class ChargingBar(Bar): + suffix = '%(percent)d%%' + bar_prefix = ' ' + bar_suffix = ' ' + empty_fill = '∙' + fill = '█' + + +class FillingSquaresBar(ChargingBar): + empty_fill = '▢' + fill = '▣' + + +class FillingCirclesBar(ChargingBar): + empty_fill = '◯' + fill = '◉' + + +class IncrementalBar(Bar): + if sys.platform.startswith('win'): + phases = (u' ', u'▌', u'█') + else: + phases = (' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉', '█') + + def update(self): + nphases = len(self.phases) + filled_len = self.width * self.progress + nfull = int(filled_len) # Number of full chars + phase = int((filled_len - nfull) * nphases) # Phase of last char + nempty = self.width - nfull # Number of empty chars + + message = self.message % self + bar = self.phases[-1] * nfull + current = self.phases[phase] if phase > 0 else '' + empty = self.empty_fill * max(0, nempty - len(current)) + suffix = self.suffix % self + line = ''.join([message, self.bar_prefix, bar, current, empty, + self.bar_suffix, suffix]) + self.writeln(line) + + +class PixelBar(IncrementalBar): + phases = ('⡀', '⡄', '⡆', '⡇', '⣇', '⣧', '⣷', '⣿') + + +class ShadyBar(IncrementalBar): + phases = (' ', '░', '▒', '▓', '█') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/counter.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/counter.py new file mode 100644 index 0000000..6b45a1e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/counter.py @@ -0,0 +1,48 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from __future__ import unicode_literals +from . import Infinite, Progress +from .helpers import WriteMixin + + +class Counter(WriteMixin, Infinite): + message = '' + hide_cursor = True + + def update(self): + self.write(str(self.index)) + + +class Countdown(WriteMixin, Progress): + hide_cursor = True + + def update(self): + self.write(str(self.remaining)) + + +class Stack(WriteMixin, Progress): + phases = (' ', '▁', '▂', '▃', '▄', '▅', '▆', '▇', '█') + hide_cursor = True + + def update(self): + nphases = len(self.phases) + i = min(nphases - 1, int(self.progress * nphases)) + self.write(self.phases[i]) + + +class Pie(Stack): + phases = ('○', '◔', '◑', '◕', '●') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/helpers.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/helpers.py new file mode 100644 index 0000000..0cde44e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/helpers.py @@ -0,0 +1,91 @@ +# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from __future__ import print_function + + +HIDE_CURSOR = '\x1b[?25l' +SHOW_CURSOR = '\x1b[?25h' + + +class WriteMixin(object): + hide_cursor = False + + def __init__(self, message=None, **kwargs): + super(WriteMixin, self).__init__(**kwargs) + self._width = 0 + if message: + self.message = message + + if self.file and self.file.isatty(): + if self.hide_cursor: + print(HIDE_CURSOR, end='', file=self.file) + print(self.message, end='', file=self.file) + self.file.flush() + + def write(self, s): + if self.file and self.file.isatty(): + b = '\b' * self._width + c = s.ljust(self._width) + print(b + c, end='', file=self.file) + self._width = max(self._width, len(s)) + self.file.flush() + + def finish(self): + if self.file and self.file.isatty() and self.hide_cursor: + print(SHOW_CURSOR, end='', file=self.file) + + +class WritelnMixin(object): + hide_cursor = False + + def __init__(self, message=None, **kwargs): + super(WritelnMixin, self).__init__(**kwargs) + if message: + self.message = message + + if self.file and self.file.isatty() and self.hide_cursor: + print(HIDE_CURSOR, end='', file=self.file) + + def clearln(self): + if self.file and self.file.isatty(): + print('\r\x1b[K', end='', file=self.file) + + def writeln(self, line): + if self.file and self.file.isatty(): + self.clearln() + print(line, end='', file=self.file) + self.file.flush() + + def finish(self): + if self.file and self.file.isatty(): + print(file=self.file) + if self.hide_cursor: + print(SHOW_CURSOR, end='', file=self.file) + + +from signal import signal, SIGINT +from sys import exit + + +class SigIntMixin(object): + """Registers a signal handler that calls finish on SIGINT""" + + def __init__(self, *args, **kwargs): + super(SigIntMixin, self).__init__(*args, **kwargs) + signal(SIGINT, self._sigint_handler) + + def _sigint_handler(self, signum, frame): + self.finish() + exit(0) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/spinner.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/spinner.py new file mode 100644 index 0000000..464c7b2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/progress/spinner.py @@ -0,0 +1,44 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from __future__ import unicode_literals +from . import Infinite +from .helpers import WriteMixin + + +class Spinner(WriteMixin, Infinite): + message = '' + phases = ('-', '\\', '|', '/') + hide_cursor = True + + def update(self): + i = self.index % len(self.phases) + self.write(self.phases[i]) + + +class PieSpinner(Spinner): + phases = ['◷', '◶', '◵', '◴'] + + +class MoonSpinner(Spinner): + phases = ['◑', '◒', '◐', '◓'] + + +class LineSpinner(Spinner): + phases = ['⎺', '⎻', '⎼', '⎽', '⎼', '⎻'] + +class PixelSpinner(Spinner): + phases = ['⣾','⣷', '⣯', '⣟', '⡿', '⢿', '⣻', '⣽'] diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pyparsing.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pyparsing.py new file mode 100644 index 0000000..bea4d9c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pyparsing.py @@ -0,0 +1,6452 @@ +#-*- coding: utf-8 -*- +# module pyparsing.py +# +# Copyright (c) 2003-2019 Paul T. McGuire +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__doc__ = \ +""" +pyparsing module - Classes and methods to define and execute parsing grammars +============================================================================= + +The pyparsing module is an alternative approach to creating and +executing simple grammars, vs. the traditional lex/yacc approach, or the +use of regular expressions. With pyparsing, you don't need to learn +a new syntax for defining grammars or matching expressions - the parsing +module provides a library of classes that you use to construct the +grammar directly in Python. + +Here is a program to parse "Hello, World!" (or any greeting of the form +``"<salutation>, <addressee>!"``), built up using :class:`Word`, +:class:`Literal`, and :class:`And` elements +(the :class:`'+'<ParserElement.__add__>` operators create :class:`And` expressions, +and the strings are auto-converted to :class:`Literal` expressions):: + + from pip._vendor.pyparsing import Word, alphas + + # define grammar of a greeting + greet = Word(alphas) + "," + Word(alphas) + "!" + + hello = "Hello, World!" + print (hello, "->", greet.parseString(hello)) + +The program outputs the following:: + + Hello, World! -> ['Hello', ',', 'World', '!'] + +The Python representation of the grammar is quite readable, owing to the +self-explanatory class names, and the use of '+', '|' and '^' operators. + +The :class:`ParseResults` object returned from +:class:`ParserElement.parseString` can be +accessed as a nested list, a dictionary, or an object with named +attributes. + +The pyparsing module handles some of the problems that are typically +vexing when writing text parsers: + + - extra or missing whitespace (the above program will also handle + "Hello,World!", "Hello , World !", etc.) + - quoted strings + - embedded comments + + +Getting Started - +----------------- +Visit the classes :class:`ParserElement` and :class:`ParseResults` to +see the base classes that most other pyparsing +classes inherit from. Use the docstrings for examples of how to: + + - construct literal match expressions from :class:`Literal` and + :class:`CaselessLiteral` classes + - construct character word-group expressions using the :class:`Word` + class + - see how to create repetitive expressions using :class:`ZeroOrMore` + and :class:`OneOrMore` classes + - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`, + and :class:`'&'<Each>` operators to combine simple expressions into + more complex ones + - associate names with your parsed results using + :class:`ParserElement.setResultsName` + - find some helpful expression short-cuts like :class:`delimitedList` + and :class:`oneOf` + - find more useful common expressions in the :class:`pyparsing_common` + namespace class +""" + +__version__ = "2.3.1" +__versionTime__ = "09 Jan 2019 23:26 UTC" +__author__ = "Paul McGuire <ptmcg@users.sourceforge.net>" + +import string +from weakref import ref as wkref +import copy +import sys +import warnings +import re +import sre_constants +import collections +import pprint +import traceback +import types +from datetime import datetime + +try: + # Python 3 + from itertools import filterfalse +except ImportError: + from itertools import ifilterfalse as filterfalse + +try: + from _thread import RLock +except ImportError: + from threading import RLock + +try: + # Python 3 + from collections.abc import Iterable + from collections.abc import MutableMapping +except ImportError: + # Python 2.7 + from collections import Iterable + from collections import MutableMapping + +try: + from collections import OrderedDict as _OrderedDict +except ImportError: + try: + from ordereddict import OrderedDict as _OrderedDict + except ImportError: + _OrderedDict = None + +try: + from types import SimpleNamespace +except ImportError: + class SimpleNamespace: pass + + +#~ sys.stderr.write( "testing pyparsing module, version %s, %s\n" % (__version__,__versionTime__ ) ) + +__all__ = [ +'And', 'CaselessKeyword', 'CaselessLiteral', 'CharsNotIn', 'Combine', 'Dict', 'Each', 'Empty', +'FollowedBy', 'Forward', 'GoToColumn', 'Group', 'Keyword', 'LineEnd', 'LineStart', 'Literal', +'PrecededBy', 'MatchFirst', 'NoMatch', 'NotAny', 'OneOrMore', 'OnlyOnce', 'Optional', 'Or', +'ParseBaseException', 'ParseElementEnhance', 'ParseException', 'ParseExpression', 'ParseFatalException', +'ParseResults', 'ParseSyntaxException', 'ParserElement', 'QuotedString', 'RecursiveGrammarException', +'Regex', 'SkipTo', 'StringEnd', 'StringStart', 'Suppress', 'Token', 'TokenConverter', +'White', 'Word', 'WordEnd', 'WordStart', 'ZeroOrMore', 'Char', +'alphanums', 'alphas', 'alphas8bit', 'anyCloseTag', 'anyOpenTag', 'cStyleComment', 'col', +'commaSeparatedList', 'commonHTMLEntity', 'countedArray', 'cppStyleComment', 'dblQuotedString', +'dblSlashComment', 'delimitedList', 'dictOf', 'downcaseTokens', 'empty', 'hexnums', +'htmlComment', 'javaStyleComment', 'line', 'lineEnd', 'lineStart', 'lineno', +'makeHTMLTags', 'makeXMLTags', 'matchOnlyAtCol', 'matchPreviousExpr', 'matchPreviousLiteral', +'nestedExpr', 'nullDebugAction', 'nums', 'oneOf', 'opAssoc', 'operatorPrecedence', 'printables', +'punc8bit', 'pythonStyleComment', 'quotedString', 'removeQuotes', 'replaceHTMLEntity', +'replaceWith', 'restOfLine', 'sglQuotedString', 'srange', 'stringEnd', +'stringStart', 'traceParseAction', 'unicodeString', 'upcaseTokens', 'withAttribute', +'indentedBlock', 'originalTextFor', 'ungroup', 'infixNotation','locatedExpr', 'withClass', +'CloseMatch', 'tokenMap', 'pyparsing_common', 'pyparsing_unicode', 'unicode_set', +] + +system_version = tuple(sys.version_info)[:3] +PY_3 = system_version[0] == 3 +if PY_3: + _MAX_INT = sys.maxsize + basestring = str + unichr = chr + unicode = str + _ustr = str + + # build list of single arg builtins, that can be used as parse actions + singleArgBuiltins = [sum, len, sorted, reversed, list, tuple, set, any, all, min, max] + +else: + _MAX_INT = sys.maxint + range = xrange + + def _ustr(obj): + """Drop-in replacement for str(obj) that tries to be Unicode + friendly. It first tries str(obj). If that fails with + a UnicodeEncodeError, then it tries unicode(obj). It then + < returns the unicode object | encodes it with the default + encoding | ... >. + """ + if isinstance(obj,unicode): + return obj + + try: + # If this works, then _ustr(obj) has the same behaviour as str(obj), so + # it won't break any existing code. + return str(obj) + + except UnicodeEncodeError: + # Else encode it + ret = unicode(obj).encode(sys.getdefaultencoding(), 'xmlcharrefreplace') + xmlcharref = Regex(r'&#\d+;') + xmlcharref.setParseAction(lambda t: '\\u' + hex(int(t[0][2:-1]))[2:]) + return xmlcharref.transformString(ret) + + # build list of single arg builtins, tolerant of Python version, that can be used as parse actions + singleArgBuiltins = [] + import __builtin__ + for fname in "sum len sorted reversed list tuple set any all min max".split(): + try: + singleArgBuiltins.append(getattr(__builtin__,fname)) + except AttributeError: + continue + +_generatorType = type((y for y in range(1))) + +def _xml_escape(data): + """Escape &, <, >, ", ', etc. in a string of data.""" + + # ampersand must be replaced first + from_symbols = '&><"\'' + to_symbols = ('&'+s+';' for s in "amp gt lt quot apos".split()) + for from_,to_ in zip(from_symbols, to_symbols): + data = data.replace(from_, to_) + return data + +alphas = string.ascii_uppercase + string.ascii_lowercase +nums = "0123456789" +hexnums = nums + "ABCDEFabcdef" +alphanums = alphas + nums +_bslash = chr(92) +printables = "".join(c for c in string.printable if c not in string.whitespace) + +class ParseBaseException(Exception): + """base exception class for all parsing runtime exceptions""" + # Performance tuning: we construct a *lot* of these, so keep this + # constructor as small and fast as possible + def __init__( self, pstr, loc=0, msg=None, elem=None ): + self.loc = loc + if msg is None: + self.msg = pstr + self.pstr = "" + else: + self.msg = msg + self.pstr = pstr + self.parserElement = elem + self.args = (pstr, loc, msg) + + @classmethod + def _from_exception(cls, pe): + """ + internal factory method to simplify creating one type of ParseException + from another - avoids having __init__ signature conflicts among subclasses + """ + return cls(pe.pstr, pe.loc, pe.msg, pe.parserElement) + + def __getattr__( self, aname ): + """supported attributes by name are: + - lineno - returns the line number of the exception text + - col - returns the column number of the exception text + - line - returns the line containing the exception text + """ + if( aname == "lineno" ): + return lineno( self.loc, self.pstr ) + elif( aname in ("col", "column") ): + return col( self.loc, self.pstr ) + elif( aname == "line" ): + return line( self.loc, self.pstr ) + else: + raise AttributeError(aname) + + def __str__( self ): + return "%s (at char %d), (line:%d, col:%d)" % \ + ( self.msg, self.loc, self.lineno, self.column ) + def __repr__( self ): + return _ustr(self) + def markInputline( self, markerString = ">!<" ): + """Extracts the exception line from the input string, and marks + the location of the exception with a special symbol. + """ + line_str = self.line + line_column = self.column - 1 + if markerString: + line_str = "".join((line_str[:line_column], + markerString, line_str[line_column:])) + return line_str.strip() + def __dir__(self): + return "lineno col line".split() + dir(type(self)) + +class ParseException(ParseBaseException): + """ + Exception thrown when parse expressions don't match class; + supported attributes by name are: + - lineno - returns the line number of the exception text + - col - returns the column number of the exception text + - line - returns the line containing the exception text + + Example:: + + try: + Word(nums).setName("integer").parseString("ABC") + except ParseException as pe: + print(pe) + print("column: {}".format(pe.col)) + + prints:: + + Expected integer (at char 0), (line:1, col:1) + column: 1 + + """ + + @staticmethod + def explain(exc, depth=16): + """ + Method to take an exception and translate the Python internal traceback into a list + of the pyparsing expressions that caused the exception to be raised. + + Parameters: + + - exc - exception raised during parsing (need not be a ParseException, in support + of Python exceptions that might be raised in a parse action) + - depth (default=16) - number of levels back in the stack trace to list expression + and function names; if None, the full stack trace names will be listed; if 0, only + the failing input line, marker, and exception string will be shown + + Returns a multi-line string listing the ParserElements and/or function names in the + exception's stack trace. + + Note: the diagnostic output will include string representations of the expressions + that failed to parse. These representations will be more helpful if you use `setName` to + give identifiable names to your expressions. Otherwise they will use the default string + forms, which may be cryptic to read. + + explain() is only supported under Python 3. + """ + import inspect + + if depth is None: + depth = sys.getrecursionlimit() + ret = [] + if isinstance(exc, ParseBaseException): + ret.append(exc.line) + ret.append(' ' * (exc.col - 1) + '^') + ret.append("{0}: {1}".format(type(exc).__name__, exc)) + + if depth > 0: + callers = inspect.getinnerframes(exc.__traceback__, context=depth) + seen = set() + for i, ff in enumerate(callers[-depth:]): + frm = ff.frame + + f_self = frm.f_locals.get('self', None) + if isinstance(f_self, ParserElement): + if frm.f_code.co_name not in ('parseImpl', '_parseNoCache'): + continue + if f_self in seen: + continue + seen.add(f_self) + + self_type = type(f_self) + ret.append("{0}.{1} - {2}".format(self_type.__module__, + self_type.__name__, + f_self)) + elif f_self is not None: + self_type = type(f_self) + ret.append("{0}.{1}".format(self_type.__module__, + self_type.__name__)) + else: + code = frm.f_code + if code.co_name in ('wrapper', '<module>'): + continue + + ret.append("{0}".format(code.co_name)) + + depth -= 1 + if not depth: + break + + return '\n'.join(ret) + + +class ParseFatalException(ParseBaseException): + """user-throwable exception thrown when inconsistent parse content + is found; stops all parsing immediately""" + pass + +class ParseSyntaxException(ParseFatalException): + """just like :class:`ParseFatalException`, but thrown internally + when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates + that parsing is to stop immediately because an unbacktrackable + syntax error has been found. + """ + pass + +#~ class ReparseException(ParseBaseException): + #~ """Experimental class - parse actions can raise this exception to cause + #~ pyparsing to reparse the input string: + #~ - with a modified input string, and/or + #~ - with a modified start location + #~ Set the values of the ReparseException in the constructor, and raise the + #~ exception in a parse action to cause pyparsing to use the new string/location. + #~ Setting the values as None causes no change to be made. + #~ """ + #~ def __init_( self, newstring, restartLoc ): + #~ self.newParseText = newstring + #~ self.reparseLoc = restartLoc + +class RecursiveGrammarException(Exception): + """exception thrown by :class:`ParserElement.validate` if the + grammar could be improperly recursive + """ + def __init__( self, parseElementList ): + self.parseElementTrace = parseElementList + + def __str__( self ): + return "RecursiveGrammarException: %s" % self.parseElementTrace + +class _ParseResultsWithOffset(object): + def __init__(self,p1,p2): + self.tup = (p1,p2) + def __getitem__(self,i): + return self.tup[i] + def __repr__(self): + return repr(self.tup[0]) + def setOffset(self,i): + self.tup = (self.tup[0],i) + +class ParseResults(object): + """Structured parse results, to provide multiple means of access to + the parsed data: + + - as a list (``len(results)``) + - by list index (``results[0], results[1]``, etc.) + - by attribute (``results.<resultsName>`` - see :class:`ParserElement.setResultsName`) + + Example:: + + integer = Word(nums) + date_str = (integer.setResultsName("year") + '/' + + integer.setResultsName("month") + '/' + + integer.setResultsName("day")) + # equivalent form: + # date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + # parseString returns a ParseResults object + result = date_str.parseString("1999/12/31") + + def test(s, fn=repr): + print("%s -> %s" % (s, fn(eval(s)))) + test("list(result)") + test("result[0]") + test("result['month']") + test("result.day") + test("'month' in result") + test("'minutes' in result") + test("result.dump()", str) + + prints:: + + list(result) -> ['1999', '/', '12', '/', '31'] + result[0] -> '1999' + result['month'] -> '12' + result.day -> '31' + 'month' in result -> True + 'minutes' in result -> False + result.dump() -> ['1999', '/', '12', '/', '31'] + - day: 31 + - month: 12 + - year: 1999 + """ + def __new__(cls, toklist=None, name=None, asList=True, modal=True ): + if isinstance(toklist, cls): + return toklist + retobj = object.__new__(cls) + retobj.__doinit = True + return retobj + + # Performance tuning: we construct a *lot* of these, so keep this + # constructor as small and fast as possible + def __init__( self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance ): + if self.__doinit: + self.__doinit = False + self.__name = None + self.__parent = None + self.__accumNames = {} + self.__asList = asList + self.__modal = modal + if toklist is None: + toklist = [] + if isinstance(toklist, list): + self.__toklist = toklist[:] + elif isinstance(toklist, _generatorType): + self.__toklist = list(toklist) + else: + self.__toklist = [toklist] + self.__tokdict = dict() + + if name is not None and name: + if not modal: + self.__accumNames[name] = 0 + if isinstance(name,int): + name = _ustr(name) # will always return a str, but use _ustr for consistency + self.__name = name + if not (isinstance(toklist, (type(None), basestring, list)) and toklist in (None,'',[])): + if isinstance(toklist,basestring): + toklist = [ toklist ] + if asList: + if isinstance(toklist,ParseResults): + self[name] = _ParseResultsWithOffset(ParseResults(toklist.__toklist), 0) + else: + self[name] = _ParseResultsWithOffset(ParseResults(toklist[0]),0) + self[name].__name = name + else: + try: + self[name] = toklist[0] + except (KeyError,TypeError,IndexError): + self[name] = toklist + + def __getitem__( self, i ): + if isinstance( i, (int,slice) ): + return self.__toklist[i] + else: + if i not in self.__accumNames: + return self.__tokdict[i][-1][0] + else: + return ParseResults([ v[0] for v in self.__tokdict[i] ]) + + def __setitem__( self, k, v, isinstance=isinstance ): + if isinstance(v,_ParseResultsWithOffset): + self.__tokdict[k] = self.__tokdict.get(k,list()) + [v] + sub = v[0] + elif isinstance(k,(int,slice)): + self.__toklist[k] = v + sub = v + else: + self.__tokdict[k] = self.__tokdict.get(k,list()) + [_ParseResultsWithOffset(v,0)] + sub = v + if isinstance(sub,ParseResults): + sub.__parent = wkref(self) + + def __delitem__( self, i ): + if isinstance(i,(int,slice)): + mylen = len( self.__toklist ) + del self.__toklist[i] + + # convert int to slice + if isinstance(i, int): + if i < 0: + i += mylen + i = slice(i, i+1) + # get removed indices + removed = list(range(*i.indices(mylen))) + removed.reverse() + # fixup indices in token dictionary + for name,occurrences in self.__tokdict.items(): + for j in removed: + for k, (value, position) in enumerate(occurrences): + occurrences[k] = _ParseResultsWithOffset(value, position - (position > j)) + else: + del self.__tokdict[i] + + def __contains__( self, k ): + return k in self.__tokdict + + def __len__( self ): return len( self.__toklist ) + def __bool__(self): return ( not not self.__toklist ) + __nonzero__ = __bool__ + def __iter__( self ): return iter( self.__toklist ) + def __reversed__( self ): return iter( self.__toklist[::-1] ) + def _iterkeys( self ): + if hasattr(self.__tokdict, "iterkeys"): + return self.__tokdict.iterkeys() + else: + return iter(self.__tokdict) + + def _itervalues( self ): + return (self[k] for k in self._iterkeys()) + + def _iteritems( self ): + return ((k, self[k]) for k in self._iterkeys()) + + if PY_3: + keys = _iterkeys + """Returns an iterator of all named result keys.""" + + values = _itervalues + """Returns an iterator of all named result values.""" + + items = _iteritems + """Returns an iterator of all named result key-value tuples.""" + + else: + iterkeys = _iterkeys + """Returns an iterator of all named result keys (Python 2.x only).""" + + itervalues = _itervalues + """Returns an iterator of all named result values (Python 2.x only).""" + + iteritems = _iteritems + """Returns an iterator of all named result key-value tuples (Python 2.x only).""" + + def keys( self ): + """Returns all named result keys (as a list in Python 2.x, as an iterator in Python 3.x).""" + return list(self.iterkeys()) + + def values( self ): + """Returns all named result values (as a list in Python 2.x, as an iterator in Python 3.x).""" + return list(self.itervalues()) + + def items( self ): + """Returns all named result key-values (as a list of tuples in Python 2.x, as an iterator in Python 3.x).""" + return list(self.iteritems()) + + def haskeys( self ): + """Since keys() returns an iterator, this method is helpful in bypassing + code that looks for the existence of any defined results names.""" + return bool(self.__tokdict) + + def pop( self, *args, **kwargs): + """ + Removes and returns item at specified index (default= ``last``). + Supports both ``list`` and ``dict`` semantics for ``pop()``. If + passed no argument or an integer argument, it will use ``list`` + semantics and pop tokens from the list of parsed tokens. If passed + a non-integer argument (most likely a string), it will use ``dict`` + semantics and pop the corresponding value from any defined results + names. A second default return value argument is supported, just as in + ``dict.pop()``. + + Example:: + + def remove_first(tokens): + tokens.pop(0) + print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] + print(OneOrMore(Word(nums)).addParseAction(remove_first).parseString("0 123 321")) # -> ['123', '321'] + + label = Word(alphas) + patt = label("LABEL") + OneOrMore(Word(nums)) + print(patt.parseString("AAB 123 321").dump()) + + # Use pop() in a parse action to remove named result (note that corresponding value is not + # removed from list form of results) + def remove_LABEL(tokens): + tokens.pop("LABEL") + return tokens + patt.addParseAction(remove_LABEL) + print(patt.parseString("AAB 123 321").dump()) + + prints:: + + ['AAB', '123', '321'] + - LABEL: AAB + + ['AAB', '123', '321'] + """ + if not args: + args = [-1] + for k,v in kwargs.items(): + if k == 'default': + args = (args[0], v) + else: + raise TypeError("pop() got an unexpected keyword argument '%s'" % k) + if (isinstance(args[0], int) or + len(args) == 1 or + args[0] in self): + index = args[0] + ret = self[index] + del self[index] + return ret + else: + defaultvalue = args[1] + return defaultvalue + + def get(self, key, defaultValue=None): + """ + Returns named result matching the given key, or if there is no + such name, then returns the given ``defaultValue`` or ``None`` if no + ``defaultValue`` is specified. + + Similar to ``dict.get()``. + + Example:: + + integer = Word(nums) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + result = date_str.parseString("1999/12/31") + print(result.get("year")) # -> '1999' + print(result.get("hour", "not specified")) # -> 'not specified' + print(result.get("hour")) # -> None + """ + if key in self: + return self[key] + else: + return defaultValue + + def insert( self, index, insStr ): + """ + Inserts new element at location index in the list of parsed tokens. + + Similar to ``list.insert()``. + + Example:: + + print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] + + # use a parse action to insert the parse location in the front of the parsed results + def insert_locn(locn, tokens): + tokens.insert(0, locn) + print(OneOrMore(Word(nums)).addParseAction(insert_locn).parseString("0 123 321")) # -> [0, '0', '123', '321'] + """ + self.__toklist.insert(index, insStr) + # fixup indices in token dictionary + for name,occurrences in self.__tokdict.items(): + for k, (value, position) in enumerate(occurrences): + occurrences[k] = _ParseResultsWithOffset(value, position + (position > index)) + + def append( self, item ): + """ + Add single element to end of ParseResults list of elements. + + Example:: + + print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] + + # use a parse action to compute the sum of the parsed integers, and add it to the end + def append_sum(tokens): + tokens.append(sum(map(int, tokens))) + print(OneOrMore(Word(nums)).addParseAction(append_sum).parseString("0 123 321")) # -> ['0', '123', '321', 444] + """ + self.__toklist.append(item) + + def extend( self, itemseq ): + """ + Add sequence of elements to end of ParseResults list of elements. + + Example:: + + patt = OneOrMore(Word(alphas)) + + # use a parse action to append the reverse of the matched strings, to make a palindrome + def make_palindrome(tokens): + tokens.extend(reversed([t[::-1] for t in tokens])) + return ''.join(tokens) + print(patt.addParseAction(make_palindrome).parseString("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl' + """ + if isinstance(itemseq, ParseResults): + self += itemseq + else: + self.__toklist.extend(itemseq) + + def clear( self ): + """ + Clear all elements and results names. + """ + del self.__toklist[:] + self.__tokdict.clear() + + def __getattr__( self, name ): + try: + return self[name] + except KeyError: + return "" + + if name in self.__tokdict: + if name not in self.__accumNames: + return self.__tokdict[name][-1][0] + else: + return ParseResults([ v[0] for v in self.__tokdict[name] ]) + else: + return "" + + def __add__( self, other ): + ret = self.copy() + ret += other + return ret + + def __iadd__( self, other ): + if other.__tokdict: + offset = len(self.__toklist) + addoffset = lambda a: offset if a<0 else a+offset + otheritems = other.__tokdict.items() + otherdictitems = [(k, _ParseResultsWithOffset(v[0],addoffset(v[1])) ) + for (k,vlist) in otheritems for v in vlist] + for k,v in otherdictitems: + self[k] = v + if isinstance(v[0],ParseResults): + v[0].__parent = wkref(self) + + self.__toklist += other.__toklist + self.__accumNames.update( other.__accumNames ) + return self + + def __radd__(self, other): + if isinstance(other,int) and other == 0: + # useful for merging many ParseResults using sum() builtin + return self.copy() + else: + # this may raise a TypeError - so be it + return other + self + + def __repr__( self ): + return "(%s, %s)" % ( repr( self.__toklist ), repr( self.__tokdict ) ) + + def __str__( self ): + return '[' + ', '.join(_ustr(i) if isinstance(i, ParseResults) else repr(i) for i in self.__toklist) + ']' + + def _asStringList( self, sep='' ): + out = [] + for item in self.__toklist: + if out and sep: + out.append(sep) + if isinstance( item, ParseResults ): + out += item._asStringList() + else: + out.append( _ustr(item) ) + return out + + def asList( self ): + """ + Returns the parse results as a nested list of matching tokens, all converted to strings. + + Example:: + + patt = OneOrMore(Word(alphas)) + result = patt.parseString("sldkj lsdkj sldkj") + # even though the result prints in string-like form, it is actually a pyparsing ParseResults + print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj'] + + # Use asList() to create an actual list + result_list = result.asList() + print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj'] + """ + return [res.asList() if isinstance(res,ParseResults) else res for res in self.__toklist] + + def asDict( self ): + """ + Returns the named parse results as a nested dictionary. + + Example:: + + integer = Word(nums) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + result = date_str.parseString('12/31/1999') + print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]}) + + result_dict = result.asDict() + print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'} + + # even though a ParseResults supports dict-like access, sometime you just need to have a dict + import json + print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable + print(json.dumps(result.asDict())) # -> {"month": "31", "day": "1999", "year": "12"} + """ + if PY_3: + item_fn = self.items + else: + item_fn = self.iteritems + + def toItem(obj): + if isinstance(obj, ParseResults): + if obj.haskeys(): + return obj.asDict() + else: + return [toItem(v) for v in obj] + else: + return obj + + return dict((k,toItem(v)) for k,v in item_fn()) + + def copy( self ): + """ + Returns a new copy of a :class:`ParseResults` object. + """ + ret = ParseResults( self.__toklist ) + ret.__tokdict = dict(self.__tokdict.items()) + ret.__parent = self.__parent + ret.__accumNames.update( self.__accumNames ) + ret.__name = self.__name + return ret + + def asXML( self, doctag=None, namedItemsOnly=False, indent="", formatted=True ): + """ + (Deprecated) Returns the parse results as XML. Tags are created for tokens and lists that have defined results names. + """ + nl = "\n" + out = [] + namedItems = dict((v[1],k) for (k,vlist) in self.__tokdict.items() + for v in vlist) + nextLevelIndent = indent + " " + + # collapse out indents if formatting is not desired + if not formatted: + indent = "" + nextLevelIndent = "" + nl = "" + + selfTag = None + if doctag is not None: + selfTag = doctag + else: + if self.__name: + selfTag = self.__name + + if not selfTag: + if namedItemsOnly: + return "" + else: + selfTag = "ITEM" + + out += [ nl, indent, "<", selfTag, ">" ] + + for i,res in enumerate(self.__toklist): + if isinstance(res,ParseResults): + if i in namedItems: + out += [ res.asXML(namedItems[i], + namedItemsOnly and doctag is None, + nextLevelIndent, + formatted)] + else: + out += [ res.asXML(None, + namedItemsOnly and doctag is None, + nextLevelIndent, + formatted)] + else: + # individual token, see if there is a name for it + resTag = None + if i in namedItems: + resTag = namedItems[i] + if not resTag: + if namedItemsOnly: + continue + else: + resTag = "ITEM" + xmlBodyText = _xml_escape(_ustr(res)) + out += [ nl, nextLevelIndent, "<", resTag, ">", + xmlBodyText, + "</", resTag, ">" ] + + out += [ nl, indent, "</", selfTag, ">" ] + return "".join(out) + + def __lookup(self,sub): + for k,vlist in self.__tokdict.items(): + for v,loc in vlist: + if sub is v: + return k + return None + + def getName(self): + r""" + Returns the results name for this token expression. Useful when several + different expressions might match at a particular location. + + Example:: + + integer = Word(nums) + ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d") + house_number_expr = Suppress('#') + Word(nums, alphanums) + user_data = (Group(house_number_expr)("house_number") + | Group(ssn_expr)("ssn") + | Group(integer)("age")) + user_info = OneOrMore(user_data) + + result = user_info.parseString("22 111-22-3333 #221B") + for item in result: + print(item.getName(), ':', item[0]) + + prints:: + + age : 22 + ssn : 111-22-3333 + house_number : 221B + """ + if self.__name: + return self.__name + elif self.__parent: + par = self.__parent() + if par: + return par.__lookup(self) + else: + return None + elif (len(self) == 1 and + len(self.__tokdict) == 1 and + next(iter(self.__tokdict.values()))[0][1] in (0,-1)): + return next(iter(self.__tokdict.keys())) + else: + return None + + def dump(self, indent='', depth=0, full=True): + """ + Diagnostic method for listing out the contents of + a :class:`ParseResults`. Accepts an optional ``indent`` argument so + that this string can be embedded in a nested display of other data. + + Example:: + + integer = Word(nums) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + result = date_str.parseString('12/31/1999') + print(result.dump()) + + prints:: + + ['12', '/', '31', '/', '1999'] + - day: 1999 + - month: 31 + - year: 12 + """ + out = [] + NL = '\n' + out.append( indent+_ustr(self.asList()) ) + if full: + if self.haskeys(): + items = sorted((str(k), v) for k,v in self.items()) + for k,v in items: + if out: + out.append(NL) + out.append( "%s%s- %s: " % (indent,(' '*depth), k) ) + if isinstance(v,ParseResults): + if v: + out.append( v.dump(indent,depth+1) ) + else: + out.append(_ustr(v)) + else: + out.append(repr(v)) + elif any(isinstance(vv,ParseResults) for vv in self): + v = self + for i,vv in enumerate(v): + if isinstance(vv,ParseResults): + out.append("\n%s%s[%d]:\n%s%s%s" % (indent,(' '*(depth)),i,indent,(' '*(depth+1)),vv.dump(indent,depth+1) )) + else: + out.append("\n%s%s[%d]:\n%s%s%s" % (indent,(' '*(depth)),i,indent,(' '*(depth+1)),_ustr(vv))) + + return "".join(out) + + def pprint(self, *args, **kwargs): + """ + Pretty-printer for parsed results as a list, using the + `pprint <https://docs.python.org/3/library/pprint.html>`_ module. + Accepts additional positional or keyword args as defined for + `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ . + + Example:: + + ident = Word(alphas, alphanums) + num = Word(nums) + func = Forward() + term = ident | num | Group('(' + func + ')') + func <<= ident + Group(Optional(delimitedList(term))) + result = func.parseString("fna a,b,(fnb c,d,200),100") + result.pprint(width=40) + + prints:: + + ['fna', + ['a', + 'b', + ['(', 'fnb', ['c', 'd', '200'], ')'], + '100']] + """ + pprint.pprint(self.asList(), *args, **kwargs) + + # add support for pickle protocol + def __getstate__(self): + return ( self.__toklist, + ( self.__tokdict.copy(), + self.__parent is not None and self.__parent() or None, + self.__accumNames, + self.__name ) ) + + def __setstate__(self,state): + self.__toklist = state[0] + (self.__tokdict, + par, + inAccumNames, + self.__name) = state[1] + self.__accumNames = {} + self.__accumNames.update(inAccumNames) + if par is not None: + self.__parent = wkref(par) + else: + self.__parent = None + + def __getnewargs__(self): + return self.__toklist, self.__name, self.__asList, self.__modal + + def __dir__(self): + return (dir(type(self)) + list(self.keys())) + +MutableMapping.register(ParseResults) + +def col (loc,strg): + """Returns current column within a string, counting newlines as line separators. + The first column is number 1. + + Note: the default parsing behavior is to expand tabs in the input string + before starting the parsing process. See + :class:`ParserElement.parseString` for more + information on parsing strings containing ``<TAB>`` s, and suggested + methods to maintain a consistent view of the parsed string, the parse + location, and line and column positions within the parsed string. + """ + s = strg + return 1 if 0<loc<len(s) and s[loc-1] == '\n' else loc - s.rfind("\n", 0, loc) + +def lineno(loc,strg): + """Returns current line number within a string, counting newlines as line separators. + The first line is number 1. + + Note - the default parsing behavior is to expand tabs in the input string + before starting the parsing process. See :class:`ParserElement.parseString` + for more information on parsing strings containing ``<TAB>`` s, and + suggested methods to maintain a consistent view of the parsed string, the + parse location, and line and column positions within the parsed string. + """ + return strg.count("\n",0,loc) + 1 + +def line( loc, strg ): + """Returns the line of text containing loc within a string, counting newlines as line separators. + """ + lastCR = strg.rfind("\n", 0, loc) + nextCR = strg.find("\n", loc) + if nextCR >= 0: + return strg[lastCR+1:nextCR] + else: + return strg[lastCR+1:] + +def _defaultStartDebugAction( instring, loc, expr ): + print (("Match " + _ustr(expr) + " at loc " + _ustr(loc) + "(%d,%d)" % ( lineno(loc,instring), col(loc,instring) ))) + +def _defaultSuccessDebugAction( instring, startloc, endloc, expr, toks ): + print ("Matched " + _ustr(expr) + " -> " + str(toks.asList())) + +def _defaultExceptionDebugAction( instring, loc, expr, exc ): + print ("Exception raised:" + _ustr(exc)) + +def nullDebugAction(*args): + """'Do-nothing' debug action, to suppress debugging output during parsing.""" + pass + +# Only works on Python 3.x - nonlocal is toxic to Python 2 installs +#~ 'decorator to trim function calls to match the arity of the target' +#~ def _trim_arity(func, maxargs=3): + #~ if func in singleArgBuiltins: + #~ return lambda s,l,t: func(t) + #~ limit = 0 + #~ foundArity = False + #~ def wrapper(*args): + #~ nonlocal limit,foundArity + #~ while 1: + #~ try: + #~ ret = func(*args[limit:]) + #~ foundArity = True + #~ return ret + #~ except TypeError: + #~ if limit == maxargs or foundArity: + #~ raise + #~ limit += 1 + #~ continue + #~ return wrapper + +# this version is Python 2.x-3.x cross-compatible +'decorator to trim function calls to match the arity of the target' +def _trim_arity(func, maxargs=2): + if func in singleArgBuiltins: + return lambda s,l,t: func(t) + limit = [0] + foundArity = [False] + + # traceback return data structure changed in Py3.5 - normalize back to plain tuples + if system_version[:2] >= (3,5): + def extract_stack(limit=0): + # special handling for Python 3.5.0 - extra deep call stack by 1 + offset = -3 if system_version == (3,5,0) else -2 + frame_summary = traceback.extract_stack(limit=-offset+limit-1)[offset] + return [frame_summary[:2]] + def extract_tb(tb, limit=0): + frames = traceback.extract_tb(tb, limit=limit) + frame_summary = frames[-1] + return [frame_summary[:2]] + else: + extract_stack = traceback.extract_stack + extract_tb = traceback.extract_tb + + # synthesize what would be returned by traceback.extract_stack at the call to + # user's parse action 'func', so that we don't incur call penalty at parse time + + LINE_DIFF = 6 + # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND + # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!! + this_line = extract_stack(limit=2)[-1] + pa_call_line_synth = (this_line[0], this_line[1]+LINE_DIFF) + + def wrapper(*args): + while 1: + try: + ret = func(*args[limit[0]:]) + foundArity[0] = True + return ret + except TypeError: + # re-raise TypeErrors if they did not come from our arity testing + if foundArity[0]: + raise + else: + try: + tb = sys.exc_info()[-1] + if not extract_tb(tb, limit=2)[-1][:2] == pa_call_line_synth: + raise + finally: + del tb + + if limit[0] <= maxargs: + limit[0] += 1 + continue + raise + + # copy func name to wrapper for sensible debug output + func_name = "<parse action>" + try: + func_name = getattr(func, '__name__', + getattr(func, '__class__').__name__) + except Exception: + func_name = str(func) + wrapper.__name__ = func_name + + return wrapper + +class ParserElement(object): + """Abstract base level parser element class.""" + DEFAULT_WHITE_CHARS = " \n\t\r" + verbose_stacktrace = False + + @staticmethod + def setDefaultWhitespaceChars( chars ): + r""" + Overrides the default whitespace chars + + Example:: + + # default whitespace chars are space, <TAB> and newline + OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def', 'ghi', 'jkl'] + + # change to just treat newline as significant + ParserElement.setDefaultWhitespaceChars(" \t") + OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def'] + """ + ParserElement.DEFAULT_WHITE_CHARS = chars + + @staticmethod + def inlineLiteralsUsing(cls): + """ + Set class to be used for inclusion of string literals into a parser. + + Example:: + + # default literal class used is Literal + integer = Word(nums) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] + + + # change to Suppress + ParserElement.inlineLiteralsUsing(Suppress) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + date_str.parseString("1999/12/31") # -> ['1999', '12', '31'] + """ + ParserElement._literalStringClass = cls + + def __init__( self, savelist=False ): + self.parseAction = list() + self.failAction = None + #~ self.name = "<unknown>" # don't define self.name, let subclasses try/except upcall + self.strRepr = None + self.resultsName = None + self.saveAsList = savelist + self.skipWhitespace = True + self.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS) + self.copyDefaultWhiteChars = True + self.mayReturnEmpty = False # used when checking for left-recursion + self.keepTabs = False + self.ignoreExprs = list() + self.debug = False + self.streamlined = False + self.mayIndexError = True # used to optimize exception handling for subclasses that don't advance parse index + self.errmsg = "" + self.modalResults = True # used to mark results names as modal (report only last) or cumulative (list all) + self.debugActions = ( None, None, None ) #custom debug actions + self.re = None + self.callPreparse = True # used to avoid redundant calls to preParse + self.callDuringTry = False + + def copy( self ): + """ + Make a copy of this :class:`ParserElement`. Useful for defining + different parse actions for the same parsing pattern, using copies of + the original parse element. + + Example:: + + integer = Word(nums).setParseAction(lambda toks: int(toks[0])) + integerK = integer.copy().addParseAction(lambda toks: toks[0]*1024) + Suppress("K") + integerM = integer.copy().addParseAction(lambda toks: toks[0]*1024*1024) + Suppress("M") + + print(OneOrMore(integerK | integerM | integer).parseString("5K 100 640K 256M")) + + prints:: + + [5120, 100, 655360, 268435456] + + Equivalent form of ``expr.copy()`` is just ``expr()``:: + + integerM = integer().addParseAction(lambda toks: toks[0]*1024*1024) + Suppress("M") + """ + cpy = copy.copy( self ) + cpy.parseAction = self.parseAction[:] + cpy.ignoreExprs = self.ignoreExprs[:] + if self.copyDefaultWhiteChars: + cpy.whiteChars = ParserElement.DEFAULT_WHITE_CHARS + return cpy + + def setName( self, name ): + """ + Define name for this expression, makes debugging and exception messages clearer. + + Example:: + + Word(nums).parseString("ABC") # -> Exception: Expected W:(0123...) (at char 0), (line:1, col:1) + Word(nums).setName("integer").parseString("ABC") # -> Exception: Expected integer (at char 0), (line:1, col:1) + """ + self.name = name + self.errmsg = "Expected " + self.name + if hasattr(self,"exception"): + self.exception.msg = self.errmsg + return self + + def setResultsName( self, name, listAllMatches=False ): + """ + Define name for referencing matching tokens as a nested attribute + of the returned parse results. + NOTE: this returns a *copy* of the original :class:`ParserElement` object; + this is so that the client can define a basic element, such as an + integer, and reference it in multiple places with different names. + + You can also set results names using the abbreviated syntax, + ``expr("name")`` in place of ``expr.setResultsName("name")`` + - see :class:`__call__`. + + Example:: + + date_str = (integer.setResultsName("year") + '/' + + integer.setResultsName("month") + '/' + + integer.setResultsName("day")) + + # equivalent form: + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + """ + newself = self.copy() + if name.endswith("*"): + name = name[:-1] + listAllMatches=True + newself.resultsName = name + newself.modalResults = not listAllMatches + return newself + + def setBreak(self,breakFlag = True): + """Method to invoke the Python pdb debugger when this element is + about to be parsed. Set ``breakFlag`` to True to enable, False to + disable. + """ + if breakFlag: + _parseMethod = self._parse + def breaker(instring, loc, doActions=True, callPreParse=True): + import pdb + pdb.set_trace() + return _parseMethod( instring, loc, doActions, callPreParse ) + breaker._originalParseMethod = _parseMethod + self._parse = breaker + else: + if hasattr(self._parse,"_originalParseMethod"): + self._parse = self._parse._originalParseMethod + return self + + def setParseAction( self, *fns, **kwargs ): + """ + Define one or more actions to perform when successfully matching parse element definition. + Parse action fn is a callable method with 0-3 arguments, called as ``fn(s,loc,toks)`` , + ``fn(loc,toks)`` , ``fn(toks)`` , or just ``fn()`` , where: + + - s = the original string being parsed (see note below) + - loc = the location of the matching substring + - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object + + If the functions in fns modify the tokens, they can return them as the return + value from fn, and the modified list of tokens will replace the original. + Otherwise, fn does not need to return any value. + + Optional keyword arguments: + - callDuringTry = (default= ``False`` ) indicate if parse action should be run during lookaheads and alternate testing + + Note: the default parsing behavior is to expand tabs in the input string + before starting the parsing process. See :class:`parseString for more + information on parsing strings containing ``<TAB>`` s, and suggested + methods to maintain a consistent view of the parsed string, the parse + location, and line and column positions within the parsed string. + + Example:: + + integer = Word(nums) + date_str = integer + '/' + integer + '/' + integer + + date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] + + # use parse action to convert to ints at parse time + integer = Word(nums).setParseAction(lambda toks: int(toks[0])) + date_str = integer + '/' + integer + '/' + integer + + # note that integer fields are now ints, not strings + date_str.parseString("1999/12/31") # -> [1999, '/', 12, '/', 31] + """ + self.parseAction = list(map(_trim_arity, list(fns))) + self.callDuringTry = kwargs.get("callDuringTry", False) + return self + + def addParseAction( self, *fns, **kwargs ): + """ + Add one or more parse actions to expression's list of parse actions. See :class:`setParseAction`. + + See examples in :class:`copy`. + """ + self.parseAction += list(map(_trim_arity, list(fns))) + self.callDuringTry = self.callDuringTry or kwargs.get("callDuringTry", False) + return self + + def addCondition(self, *fns, **kwargs): + """Add a boolean predicate function to expression's list of parse actions. See + :class:`setParseAction` for function call signatures. Unlike ``setParseAction``, + functions passed to ``addCondition`` need to return boolean success/fail of the condition. + + Optional keyword arguments: + - message = define a custom message to be used in the raised exception + - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise ParseException + + Example:: + + integer = Word(nums).setParseAction(lambda toks: int(toks[0])) + year_int = integer.copy() + year_int.addCondition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later") + date_str = year_int + '/' + integer + '/' + integer + + result = date_str.parseString("1999/12/31") # -> Exception: Only support years 2000 and later (at char 0), (line:1, col:1) + """ + msg = kwargs.get("message", "failed user-defined condition") + exc_type = ParseFatalException if kwargs.get("fatal", False) else ParseException + for fn in fns: + fn = _trim_arity(fn) + def pa(s,l,t): + if not bool(fn(s,l,t)): + raise exc_type(s,l,msg) + self.parseAction.append(pa) + self.callDuringTry = self.callDuringTry or kwargs.get("callDuringTry", False) + return self + + def setFailAction( self, fn ): + """Define action to perform if parsing fails at this expression. + Fail acton fn is a callable function that takes the arguments + ``fn(s,loc,expr,err)`` where: + - s = string being parsed + - loc = location where expression match was attempted and failed + - expr = the parse expression that failed + - err = the exception thrown + The function returns no value. It may throw :class:`ParseFatalException` + if it is desired to stop parsing immediately.""" + self.failAction = fn + return self + + def _skipIgnorables( self, instring, loc ): + exprsFound = True + while exprsFound: + exprsFound = False + for e in self.ignoreExprs: + try: + while 1: + loc,dummy = e._parse( instring, loc ) + exprsFound = True + except ParseException: + pass + return loc + + def preParse( self, instring, loc ): + if self.ignoreExprs: + loc = self._skipIgnorables( instring, loc ) + + if self.skipWhitespace: + wt = self.whiteChars + instrlen = len(instring) + while loc < instrlen and instring[loc] in wt: + loc += 1 + + return loc + + def parseImpl( self, instring, loc, doActions=True ): + return loc, [] + + def postParse( self, instring, loc, tokenlist ): + return tokenlist + + #~ @profile + def _parseNoCache( self, instring, loc, doActions=True, callPreParse=True ): + debugging = ( self.debug ) #and doActions ) + + if debugging or self.failAction: + #~ print ("Match",self,"at loc",loc,"(%d,%d)" % ( lineno(loc,instring), col(loc,instring) )) + if (self.debugActions[0] ): + self.debugActions[0]( instring, loc, self ) + if callPreParse and self.callPreparse: + preloc = self.preParse( instring, loc ) + else: + preloc = loc + tokensStart = preloc + try: + try: + loc,tokens = self.parseImpl( instring, preloc, doActions ) + except IndexError: + raise ParseException( instring, len(instring), self.errmsg, self ) + except ParseBaseException as err: + #~ print ("Exception raised:", err) + if self.debugActions[2]: + self.debugActions[2]( instring, tokensStart, self, err ) + if self.failAction: + self.failAction( instring, tokensStart, self, err ) + raise + else: + if callPreParse and self.callPreparse: + preloc = self.preParse( instring, loc ) + else: + preloc = loc + tokensStart = preloc + if self.mayIndexError or preloc >= len(instring): + try: + loc,tokens = self.parseImpl( instring, preloc, doActions ) + except IndexError: + raise ParseException( instring, len(instring), self.errmsg, self ) + else: + loc,tokens = self.parseImpl( instring, preloc, doActions ) + + tokens = self.postParse( instring, loc, tokens ) + + retTokens = ParseResults( tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults ) + if self.parseAction and (doActions or self.callDuringTry): + if debugging: + try: + for fn in self.parseAction: + try: + tokens = fn( instring, tokensStart, retTokens ) + except IndexError as parse_action_exc: + exc = ParseException("exception raised in parse action") + exc.__cause__ = parse_action_exc + raise exc + + if tokens is not None and tokens is not retTokens: + retTokens = ParseResults( tokens, + self.resultsName, + asList=self.saveAsList and isinstance(tokens,(ParseResults,list)), + modal=self.modalResults ) + except ParseBaseException as err: + #~ print "Exception raised in user parse action:", err + if (self.debugActions[2] ): + self.debugActions[2]( instring, tokensStart, self, err ) + raise + else: + for fn in self.parseAction: + try: + tokens = fn( instring, tokensStart, retTokens ) + except IndexError as parse_action_exc: + exc = ParseException("exception raised in parse action") + exc.__cause__ = parse_action_exc + raise exc + + if tokens is not None and tokens is not retTokens: + retTokens = ParseResults( tokens, + self.resultsName, + asList=self.saveAsList and isinstance(tokens,(ParseResults,list)), + modal=self.modalResults ) + if debugging: + #~ print ("Matched",self,"->",retTokens.asList()) + if (self.debugActions[1] ): + self.debugActions[1]( instring, tokensStart, loc, self, retTokens ) + + return loc, retTokens + + def tryParse( self, instring, loc ): + try: + return self._parse( instring, loc, doActions=False )[0] + except ParseFatalException: + raise ParseException( instring, loc, self.errmsg, self) + + def canParseNext(self, instring, loc): + try: + self.tryParse(instring, loc) + except (ParseException, IndexError): + return False + else: + return True + + class _UnboundedCache(object): + def __init__(self): + cache = {} + self.not_in_cache = not_in_cache = object() + + def get(self, key): + return cache.get(key, not_in_cache) + + def set(self, key, value): + cache[key] = value + + def clear(self): + cache.clear() + + def cache_len(self): + return len(cache) + + self.get = types.MethodType(get, self) + self.set = types.MethodType(set, self) + self.clear = types.MethodType(clear, self) + self.__len__ = types.MethodType(cache_len, self) + + if _OrderedDict is not None: + class _FifoCache(object): + def __init__(self, size): + self.not_in_cache = not_in_cache = object() + + cache = _OrderedDict() + + def get(self, key): + return cache.get(key, not_in_cache) + + def set(self, key, value): + cache[key] = value + while len(cache) > size: + try: + cache.popitem(False) + except KeyError: + pass + + def clear(self): + cache.clear() + + def cache_len(self): + return len(cache) + + self.get = types.MethodType(get, self) + self.set = types.MethodType(set, self) + self.clear = types.MethodType(clear, self) + self.__len__ = types.MethodType(cache_len, self) + + else: + class _FifoCache(object): + def __init__(self, size): + self.not_in_cache = not_in_cache = object() + + cache = {} + key_fifo = collections.deque([], size) + + def get(self, key): + return cache.get(key, not_in_cache) + + def set(self, key, value): + cache[key] = value + while len(key_fifo) > size: + cache.pop(key_fifo.popleft(), None) + key_fifo.append(key) + + def clear(self): + cache.clear() + key_fifo.clear() + + def cache_len(self): + return len(cache) + + self.get = types.MethodType(get, self) + self.set = types.MethodType(set, self) + self.clear = types.MethodType(clear, self) + self.__len__ = types.MethodType(cache_len, self) + + # argument cache for optimizing repeated calls when backtracking through recursive expressions + packrat_cache = {} # this is set later by enabledPackrat(); this is here so that resetCache() doesn't fail + packrat_cache_lock = RLock() + packrat_cache_stats = [0, 0] + + # this method gets repeatedly called during backtracking with the same arguments - + # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression + def _parseCache( self, instring, loc, doActions=True, callPreParse=True ): + HIT, MISS = 0, 1 + lookup = (self, instring, loc, callPreParse, doActions) + with ParserElement.packrat_cache_lock: + cache = ParserElement.packrat_cache + value = cache.get(lookup) + if value is cache.not_in_cache: + ParserElement.packrat_cache_stats[MISS] += 1 + try: + value = self._parseNoCache(instring, loc, doActions, callPreParse) + except ParseBaseException as pe: + # cache a copy of the exception, without the traceback + cache.set(lookup, pe.__class__(*pe.args)) + raise + else: + cache.set(lookup, (value[0], value[1].copy())) + return value + else: + ParserElement.packrat_cache_stats[HIT] += 1 + if isinstance(value, Exception): + raise value + return (value[0], value[1].copy()) + + _parse = _parseNoCache + + @staticmethod + def resetCache(): + ParserElement.packrat_cache.clear() + ParserElement.packrat_cache_stats[:] = [0] * len(ParserElement.packrat_cache_stats) + + _packratEnabled = False + @staticmethod + def enablePackrat(cache_size_limit=128): + """Enables "packrat" parsing, which adds memoizing to the parsing logic. + Repeated parse attempts at the same string location (which happens + often in many complex grammars) can immediately return a cached value, + instead of re-executing parsing/validating code. Memoizing is done of + both valid results and parsing exceptions. + + Parameters: + + - cache_size_limit - (default= ``128``) - if an integer value is provided + will limit the size of the packrat cache; if None is passed, then + the cache size will be unbounded; if 0 is passed, the cache will + be effectively disabled. + + This speedup may break existing programs that use parse actions that + have side-effects. For this reason, packrat parsing is disabled when + you first import pyparsing. To activate the packrat feature, your + program must call the class method :class:`ParserElement.enablePackrat`. + For best results, call ``enablePackrat()`` immediately after + importing pyparsing. + + Example:: + + from pip._vendor import pyparsing + pyparsing.ParserElement.enablePackrat() + """ + if not ParserElement._packratEnabled: + ParserElement._packratEnabled = True + if cache_size_limit is None: + ParserElement.packrat_cache = ParserElement._UnboundedCache() + else: + ParserElement.packrat_cache = ParserElement._FifoCache(cache_size_limit) + ParserElement._parse = ParserElement._parseCache + + def parseString( self, instring, parseAll=False ): + """ + Execute the parse expression with the given string. + This is the main interface to the client code, once the complete + expression has been built. + + If you want the grammar to require that the entire input string be + successfully parsed, then set ``parseAll`` to True (equivalent to ending + the grammar with ``StringEnd()``). + + Note: ``parseString`` implicitly calls ``expandtabs()`` on the input string, + in order to report proper column numbers in parse actions. + If the input string contains tabs and + the grammar uses parse actions that use the ``loc`` argument to index into the + string being parsed, you can ensure you have a consistent view of the input + string by: + + - calling ``parseWithTabs`` on your grammar before calling ``parseString`` + (see :class:`parseWithTabs`) + - define your parse action using the full ``(s,loc,toks)`` signature, and + reference the input string using the parse action's ``s`` argument + - explictly expand the tabs in your input string before calling + ``parseString`` + + Example:: + + Word('a').parseString('aaaaabaaa') # -> ['aaaaa'] + Word('a').parseString('aaaaabaaa', parseAll=True) # -> Exception: Expected end of text + """ + ParserElement.resetCache() + if not self.streamlined: + self.streamline() + #~ self.saveAsList = True + for e in self.ignoreExprs: + e.streamline() + if not self.keepTabs: + instring = instring.expandtabs() + try: + loc, tokens = self._parse( instring, 0 ) + if parseAll: + loc = self.preParse( instring, loc ) + se = Empty() + StringEnd() + se._parse( instring, loc ) + except ParseBaseException as exc: + if ParserElement.verbose_stacktrace: + raise + else: + # catch and re-raise exception from here, clears out pyparsing internal stack trace + raise exc + else: + return tokens + + def scanString( self, instring, maxMatches=_MAX_INT, overlap=False ): + """ + Scan the input string for expression matches. Each match will return the + matching tokens, start location, and end location. May be called with optional + ``maxMatches`` argument, to clip scanning after 'n' matches are found. If + ``overlap`` is specified, then overlapping matches will be reported. + + Note that the start and end locations are reported relative to the string + being parsed. See :class:`parseString` for more information on parsing + strings with embedded tabs. + + Example:: + + source = "sldjf123lsdjjkf345sldkjf879lkjsfd987" + print(source) + for tokens,start,end in Word(alphas).scanString(source): + print(' '*start + '^'*(end-start)) + print(' '*start + tokens[0]) + + prints:: + + sldjf123lsdjjkf345sldkjf879lkjsfd987 + ^^^^^ + sldjf + ^^^^^^^ + lsdjjkf + ^^^^^^ + sldkjf + ^^^^^^ + lkjsfd + """ + if not self.streamlined: + self.streamline() + for e in self.ignoreExprs: + e.streamline() + + if not self.keepTabs: + instring = _ustr(instring).expandtabs() + instrlen = len(instring) + loc = 0 + preparseFn = self.preParse + parseFn = self._parse + ParserElement.resetCache() + matches = 0 + try: + while loc <= instrlen and matches < maxMatches: + try: + preloc = preparseFn( instring, loc ) + nextLoc,tokens = parseFn( instring, preloc, callPreParse=False ) + except ParseException: + loc = preloc+1 + else: + if nextLoc > loc: + matches += 1 + yield tokens, preloc, nextLoc + if overlap: + nextloc = preparseFn( instring, loc ) + if nextloc > loc: + loc = nextLoc + else: + loc += 1 + else: + loc = nextLoc + else: + loc = preloc+1 + except ParseBaseException as exc: + if ParserElement.verbose_stacktrace: + raise + else: + # catch and re-raise exception from here, clears out pyparsing internal stack trace + raise exc + + def transformString( self, instring ): + """ + Extension to :class:`scanString`, to modify matching text with modified tokens that may + be returned from a parse action. To use ``transformString``, define a grammar and + attach a parse action to it that modifies the returned token list. + Invoking ``transformString()`` on a target string will then scan for matches, + and replace the matched text patterns according to the logic in the parse + action. ``transformString()`` returns the resulting transformed string. + + Example:: + + wd = Word(alphas) + wd.setParseAction(lambda toks: toks[0].title()) + + print(wd.transformString("now is the winter of our discontent made glorious summer by this sun of york.")) + + prints:: + + Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York. + """ + out = [] + lastE = 0 + # force preservation of <TAB>s, to minimize unwanted transformation of string, and to + # keep string locs straight between transformString and scanString + self.keepTabs = True + try: + for t,s,e in self.scanString( instring ): + out.append( instring[lastE:s] ) + if t: + if isinstance(t,ParseResults): + out += t.asList() + elif isinstance(t,list): + out += t + else: + out.append(t) + lastE = e + out.append(instring[lastE:]) + out = [o for o in out if o] + return "".join(map(_ustr,_flatten(out))) + except ParseBaseException as exc: + if ParserElement.verbose_stacktrace: + raise + else: + # catch and re-raise exception from here, clears out pyparsing internal stack trace + raise exc + + def searchString( self, instring, maxMatches=_MAX_INT ): + """ + Another extension to :class:`scanString`, simplifying the access to the tokens found + to match the given parse expression. May be called with optional + ``maxMatches`` argument, to clip searching after 'n' matches are found. + + Example:: + + # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters + cap_word = Word(alphas.upper(), alphas.lower()) + + print(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity")) + + # the sum() builtin can be used to merge results into a single ParseResults object + print(sum(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity"))) + + prints:: + + [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']] + ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity'] + """ + try: + return ParseResults([ t for t,s,e in self.scanString( instring, maxMatches ) ]) + except ParseBaseException as exc: + if ParserElement.verbose_stacktrace: + raise + else: + # catch and re-raise exception from here, clears out pyparsing internal stack trace + raise exc + + def split(self, instring, maxsplit=_MAX_INT, includeSeparators=False): + """ + Generator method to split a string using the given expression as a separator. + May be called with optional ``maxsplit`` argument, to limit the number of splits; + and the optional ``includeSeparators`` argument (default= ``False``), if the separating + matching text should be included in the split results. + + Example:: + + punc = oneOf(list(".,;:/-!?")) + print(list(punc.split("This, this?, this sentence, is badly punctuated!"))) + + prints:: + + ['This', ' this', '', ' this sentence', ' is badly punctuated', ''] + """ + splits = 0 + last = 0 + for t,s,e in self.scanString(instring, maxMatches=maxsplit): + yield instring[last:s] + if includeSeparators: + yield t[0] + last = e + yield instring[last:] + + def __add__(self, other ): + """ + Implementation of + operator - returns :class:`And`. Adding strings to a ParserElement + converts them to :class:`Literal`s by default. + + Example:: + + greet = Word(alphas) + "," + Word(alphas) + "!" + hello = "Hello, World!" + print (hello, "->", greet.parseString(hello)) + + prints:: + + Hello, World! -> ['Hello', ',', 'World', '!'] + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return And( [ self, other ] ) + + def __radd__(self, other ): + """ + Implementation of + operator when left operand is not a :class:`ParserElement` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return other + self + + def __sub__(self, other): + """ + Implementation of - operator, returns :class:`And` with error stop + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return self + And._ErrorStop() + other + + def __rsub__(self, other ): + """ + Implementation of - operator when left operand is not a :class:`ParserElement` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return other - self + + def __mul__(self,other): + """ + Implementation of * operator, allows use of ``expr * 3`` in place of + ``expr + expr + expr``. Expressions may also me multiplied by a 2-integer + tuple, similar to ``{min,max}`` multipliers in regular expressions. Tuples + may also include ``None`` as in: + - ``expr*(n,None)`` or ``expr*(n,)`` is equivalent + to ``expr*n + ZeroOrMore(expr)`` + (read as "at least n instances of ``expr``") + - ``expr*(None,n)`` is equivalent to ``expr*(0,n)`` + (read as "0 to n instances of ``expr``") + - ``expr*(None,None)`` is equivalent to ``ZeroOrMore(expr)`` + - ``expr*(1,None)`` is equivalent to ``OneOrMore(expr)`` + + Note that ``expr*(None,n)`` does not raise an exception if + more than n exprs exist in the input stream; that is, + ``expr*(None,n)`` does not enforce a maximum number of expr + occurrences. If this behavior is desired, then write + ``expr*(None,n) + ~expr`` + """ + if isinstance(other,int): + minElements, optElements = other,0 + elif isinstance(other,tuple): + other = (other + (None, None))[:2] + if other[0] is None: + other = (0, other[1]) + if isinstance(other[0],int) and other[1] is None: + if other[0] == 0: + return ZeroOrMore(self) + if other[0] == 1: + return OneOrMore(self) + else: + return self*other[0] + ZeroOrMore(self) + elif isinstance(other[0],int) and isinstance(other[1],int): + minElements, optElements = other + optElements -= minElements + else: + raise TypeError("cannot multiply 'ParserElement' and ('%s','%s') objects", type(other[0]),type(other[1])) + else: + raise TypeError("cannot multiply 'ParserElement' and '%s' objects", type(other)) + + if minElements < 0: + raise ValueError("cannot multiply ParserElement by negative value") + if optElements < 0: + raise ValueError("second tuple value must be greater or equal to first tuple value") + if minElements == optElements == 0: + raise ValueError("cannot multiply ParserElement by 0 or (0,0)") + + if (optElements): + def makeOptionalList(n): + if n>1: + return Optional(self + makeOptionalList(n-1)) + else: + return Optional(self) + if minElements: + if minElements == 1: + ret = self + makeOptionalList(optElements) + else: + ret = And([self]*minElements) + makeOptionalList(optElements) + else: + ret = makeOptionalList(optElements) + else: + if minElements == 1: + ret = self + else: + ret = And([self]*minElements) + return ret + + def __rmul__(self, other): + return self.__mul__(other) + + def __or__(self, other ): + """ + Implementation of | operator - returns :class:`MatchFirst` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return MatchFirst( [ self, other ] ) + + def __ror__(self, other ): + """ + Implementation of | operator when left operand is not a :class:`ParserElement` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return other | self + + def __xor__(self, other ): + """ + Implementation of ^ operator - returns :class:`Or` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return Or( [ self, other ] ) + + def __rxor__(self, other ): + """ + Implementation of ^ operator when left operand is not a :class:`ParserElement` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return other ^ self + + def __and__(self, other ): + """ + Implementation of & operator - returns :class:`Each` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return Each( [ self, other ] ) + + def __rand__(self, other ): + """ + Implementation of & operator when left operand is not a :class:`ParserElement` + """ + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + if not isinstance( other, ParserElement ): + warnings.warn("Cannot combine element of type %s with ParserElement" % type(other), + SyntaxWarning, stacklevel=2) + return None + return other & self + + def __invert__( self ): + """ + Implementation of ~ operator - returns :class:`NotAny` + """ + return NotAny( self ) + + def __call__(self, name=None): + """ + Shortcut for :class:`setResultsName`, with ``listAllMatches=False``. + + If ``name`` is given with a trailing ``'*'`` character, then ``listAllMatches`` will be + passed as ``True``. + + If ``name` is omitted, same as calling :class:`copy`. + + Example:: + + # these are equivalent + userdata = Word(alphas).setResultsName("name") + Word(nums+"-").setResultsName("socsecno") + userdata = Word(alphas)("name") + Word(nums+"-")("socsecno") + """ + if name is not None: + return self.setResultsName(name) + else: + return self.copy() + + def suppress( self ): + """ + Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from + cluttering up returned output. + """ + return Suppress( self ) + + def leaveWhitespace( self ): + """ + Disables the skipping of whitespace before matching the characters in the + :class:`ParserElement`'s defined pattern. This is normally only used internally by + the pyparsing module, but may be needed in some whitespace-sensitive grammars. + """ + self.skipWhitespace = False + return self + + def setWhitespaceChars( self, chars ): + """ + Overrides the default whitespace chars + """ + self.skipWhitespace = True + self.whiteChars = chars + self.copyDefaultWhiteChars = False + return self + + def parseWithTabs( self ): + """ + Overrides default behavior to expand ``<TAB>``s to spaces before parsing the input string. + Must be called before ``parseString`` when the input grammar contains elements that + match ``<TAB>`` characters. + """ + self.keepTabs = True + return self + + def ignore( self, other ): + """ + Define expression to be ignored (e.g., comments) while doing pattern + matching; may be called repeatedly, to define multiple comment or other + ignorable patterns. + + Example:: + + patt = OneOrMore(Word(alphas)) + patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj'] + + patt.ignore(cStyleComment) + patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj', 'lskjd'] + """ + if isinstance(other, basestring): + other = Suppress(other) + + if isinstance( other, Suppress ): + if other not in self.ignoreExprs: + self.ignoreExprs.append(other) + else: + self.ignoreExprs.append( Suppress( other.copy() ) ) + return self + + def setDebugActions( self, startAction, successAction, exceptionAction ): + """ + Enable display of debugging messages while doing pattern matching. + """ + self.debugActions = (startAction or _defaultStartDebugAction, + successAction or _defaultSuccessDebugAction, + exceptionAction or _defaultExceptionDebugAction) + self.debug = True + return self + + def setDebug( self, flag=True ): + """ + Enable display of debugging messages while doing pattern matching. + Set ``flag`` to True to enable, False to disable. + + Example:: + + wd = Word(alphas).setName("alphaword") + integer = Word(nums).setName("numword") + term = wd | integer + + # turn on debugging for wd + wd.setDebug() + + OneOrMore(term).parseString("abc 123 xyz 890") + + prints:: + + Match alphaword at loc 0(1,1) + Matched alphaword -> ['abc'] + Match alphaword at loc 3(1,4) + Exception raised:Expected alphaword (at char 4), (line:1, col:5) + Match alphaword at loc 7(1,8) + Matched alphaword -> ['xyz'] + Match alphaword at loc 11(1,12) + Exception raised:Expected alphaword (at char 12), (line:1, col:13) + Match alphaword at loc 15(1,16) + Exception raised:Expected alphaword (at char 15), (line:1, col:16) + + The output shown is that produced by the default debug actions - custom debug actions can be + specified using :class:`setDebugActions`. Prior to attempting + to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"`` + is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"`` + message is shown. Also note the use of :class:`setName` to assign a human-readable name to the expression, + which makes debugging and exception messages easier to understand - for instance, the default + name created for the :class:`Word` expression without calling ``setName`` is ``"W:(ABCD...)"``. + """ + if flag: + self.setDebugActions( _defaultStartDebugAction, _defaultSuccessDebugAction, _defaultExceptionDebugAction ) + else: + self.debug = False + return self + + def __str__( self ): + return self.name + + def __repr__( self ): + return _ustr(self) + + def streamline( self ): + self.streamlined = True + self.strRepr = None + return self + + def checkRecursion( self, parseElementList ): + pass + + def validate( self, validateTrace=[] ): + """ + Check defined expressions for valid structure, check for infinite recursive definitions. + """ + self.checkRecursion( [] ) + + def parseFile( self, file_or_filename, parseAll=False ): + """ + Execute the parse expression on the given file or filename. + If a filename is specified (instead of a file object), + the entire file is opened, read, and closed before parsing. + """ + try: + file_contents = file_or_filename.read() + except AttributeError: + with open(file_or_filename, "r") as f: + file_contents = f.read() + try: + return self.parseString(file_contents, parseAll) + except ParseBaseException as exc: + if ParserElement.verbose_stacktrace: + raise + else: + # catch and re-raise exception from here, clears out pyparsing internal stack trace + raise exc + + def __eq__(self,other): + if isinstance(other, ParserElement): + return self is other or vars(self) == vars(other) + elif isinstance(other, basestring): + return self.matches(other) + else: + return super(ParserElement,self)==other + + def __ne__(self,other): + return not (self == other) + + def __hash__(self): + return hash(id(self)) + + def __req__(self,other): + return self == other + + def __rne__(self,other): + return not (self == other) + + def matches(self, testString, parseAll=True): + """ + Method for quick testing of a parser against a test string. Good for simple + inline microtests of sub expressions while building up larger parser. + + Parameters: + - testString - to test against this expression for a match + - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests + + Example:: + + expr = Word(nums) + assert expr.matches("100") + """ + try: + self.parseString(_ustr(testString), parseAll=parseAll) + return True + except ParseBaseException: + return False + + def runTests(self, tests, parseAll=True, comment='#', + fullDump=True, printResults=True, failureTests=False, postParse=None): + """ + Execute the parse expression on a series of test strings, showing each + test, the parsed results or where the parse failed. Quick and easy way to + run a parse expression against a list of sample strings. + + Parameters: + - tests - a list of separate test strings, or a multiline string of test strings + - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests + - comment - (default= ``'#'``) - expression for indicating embedded comments in the test + string; pass None to disable comment filtering + - fullDump - (default= ``True``) - dump results as list followed by results names in nested outline; + if False, only dump nested list + - printResults - (default= ``True``) prints test output to stdout + - failureTests - (default= ``False``) indicates if these tests are expected to fail parsing + - postParse - (default= ``None``) optional callback for successful parse results; called as + `fn(test_string, parse_results)` and returns a string to be added to the test output + + Returns: a (success, results) tuple, where success indicates that all tests succeeded + (or failed if ``failureTests`` is True), and the results contain a list of lines of each + test's output + + Example:: + + number_expr = pyparsing_common.number.copy() + + result = number_expr.runTests(''' + # unsigned integer + 100 + # negative integer + -100 + # float with scientific notation + 6.02e23 + # integer with scientific notation + 1e-12 + ''') + print("Success" if result[0] else "Failed!") + + result = number_expr.runTests(''' + # stray character + 100Z + # missing leading digit before '.' + -.100 + # too many '.' + 3.14.159 + ''', failureTests=True) + print("Success" if result[0] else "Failed!") + + prints:: + + # unsigned integer + 100 + [100] + + # negative integer + -100 + [-100] + + # float with scientific notation + 6.02e23 + [6.02e+23] + + # integer with scientific notation + 1e-12 + [1e-12] + + Success + + # stray character + 100Z + ^ + FAIL: Expected end of text (at char 3), (line:1, col:4) + + # missing leading digit before '.' + -.100 + ^ + FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1) + + # too many '.' + 3.14.159 + ^ + FAIL: Expected end of text (at char 4), (line:1, col:5) + + Success + + Each test string must be on a single line. If you want to test a string that spans multiple + lines, create a test like this:: + + expr.runTest(r"this is a test\\n of strings that spans \\n 3 lines") + + (Note that this is a raw string literal, you must include the leading 'r'.) + """ + if isinstance(tests, basestring): + tests = list(map(str.strip, tests.rstrip().splitlines())) + if isinstance(comment, basestring): + comment = Literal(comment) + allResults = [] + comments = [] + success = True + for t in tests: + if comment is not None and comment.matches(t, False) or comments and not t: + comments.append(t) + continue + if not t: + continue + out = ['\n'.join(comments), t] + comments = [] + try: + # convert newline marks to actual newlines, and strip leading BOM if present + t = t.replace(r'\n','\n').lstrip('\ufeff') + result = self.parseString(t, parseAll=parseAll) + out.append(result.dump(full=fullDump)) + success = success and not failureTests + if postParse is not None: + try: + pp_value = postParse(t, result) + if pp_value is not None: + out.append(str(pp_value)) + except Exception as e: + out.append("{0} failed: {1}: {2}".format(postParse.__name__, type(e).__name__, e)) + except ParseBaseException as pe: + fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else "" + if '\n' in t: + out.append(line(pe.loc, t)) + out.append(' '*(col(pe.loc,t)-1) + '^' + fatal) + else: + out.append(' '*pe.loc + '^' + fatal) + out.append("FAIL: " + str(pe)) + success = success and failureTests + result = pe + except Exception as exc: + out.append("FAIL-EXCEPTION: " + str(exc)) + success = success and failureTests + result = exc + + if printResults: + if fullDump: + out.append('') + print('\n'.join(out)) + + allResults.append((t, result)) + + return success, allResults + + +class Token(ParserElement): + """Abstract :class:`ParserElement` subclass, for defining atomic + matching patterns. + """ + def __init__( self ): + super(Token,self).__init__( savelist=False ) + + +class Empty(Token): + """An empty token, will always match. + """ + def __init__( self ): + super(Empty,self).__init__() + self.name = "Empty" + self.mayReturnEmpty = True + self.mayIndexError = False + + +class NoMatch(Token): + """A token that will never match. + """ + def __init__( self ): + super(NoMatch,self).__init__() + self.name = "NoMatch" + self.mayReturnEmpty = True + self.mayIndexError = False + self.errmsg = "Unmatchable token" + + def parseImpl( self, instring, loc, doActions=True ): + raise ParseException(instring, loc, self.errmsg, self) + + +class Literal(Token): + """Token to exactly match a specified string. + + Example:: + + Literal('blah').parseString('blah') # -> ['blah'] + Literal('blah').parseString('blahfooblah') # -> ['blah'] + Literal('blah').parseString('bla') # -> Exception: Expected "blah" + + For case-insensitive matching, use :class:`CaselessLiteral`. + + For keyword matching (force word break before and after the matched string), + use :class:`Keyword` or :class:`CaselessKeyword`. + """ + def __init__( self, matchString ): + super(Literal,self).__init__() + self.match = matchString + self.matchLen = len(matchString) + try: + self.firstMatchChar = matchString[0] + except IndexError: + warnings.warn("null string passed to Literal; use Empty() instead", + SyntaxWarning, stacklevel=2) + self.__class__ = Empty + self.name = '"%s"' % _ustr(self.match) + self.errmsg = "Expected " + self.name + self.mayReturnEmpty = False + self.mayIndexError = False + + # Performance tuning: this routine gets called a *lot* + # if this is a single character match string and the first character matches, + # short-circuit as quickly as possible, and avoid calling startswith + #~ @profile + def parseImpl( self, instring, loc, doActions=True ): + if (instring[loc] == self.firstMatchChar and + (self.matchLen==1 or instring.startswith(self.match,loc)) ): + return loc+self.matchLen, self.match + raise ParseException(instring, loc, self.errmsg, self) +_L = Literal +ParserElement._literalStringClass = Literal + +class Keyword(Token): + """Token to exactly match a specified string as a keyword, that is, + it must be immediately followed by a non-keyword character. Compare + with :class:`Literal`: + + - ``Literal("if")`` will match the leading ``'if'`` in + ``'ifAndOnlyIf'``. + - ``Keyword("if")`` will not; it will only match the leading + ``'if'`` in ``'if x=1'``, or ``'if(y==2)'`` + + Accepts two optional constructor arguments in addition to the + keyword string: + + - ``identChars`` is a string of characters that would be valid + identifier characters, defaulting to all alphanumerics + "_" and + "$" + - ``caseless`` allows case-insensitive matching, default is ``False``. + + Example:: + + Keyword("start").parseString("start") # -> ['start'] + Keyword("start").parseString("starting") # -> Exception + + For case-insensitive matching, use :class:`CaselessKeyword`. + """ + DEFAULT_KEYWORD_CHARS = alphanums+"_$" + + def __init__( self, matchString, identChars=None, caseless=False ): + super(Keyword,self).__init__() + if identChars is None: + identChars = Keyword.DEFAULT_KEYWORD_CHARS + self.match = matchString + self.matchLen = len(matchString) + try: + self.firstMatchChar = matchString[0] + except IndexError: + warnings.warn("null string passed to Keyword; use Empty() instead", + SyntaxWarning, stacklevel=2) + self.name = '"%s"' % self.match + self.errmsg = "Expected " + self.name + self.mayReturnEmpty = False + self.mayIndexError = False + self.caseless = caseless + if caseless: + self.caselessmatch = matchString.upper() + identChars = identChars.upper() + self.identChars = set(identChars) + + def parseImpl( self, instring, loc, doActions=True ): + if self.caseless: + if ( (instring[ loc:loc+self.matchLen ].upper() == self.caselessmatch) and + (loc >= len(instring)-self.matchLen or instring[loc+self.matchLen].upper() not in self.identChars) and + (loc == 0 or instring[loc-1].upper() not in self.identChars) ): + return loc+self.matchLen, self.match + else: + if (instring[loc] == self.firstMatchChar and + (self.matchLen==1 or instring.startswith(self.match,loc)) and + (loc >= len(instring)-self.matchLen or instring[loc+self.matchLen] not in self.identChars) and + (loc == 0 or instring[loc-1] not in self.identChars) ): + return loc+self.matchLen, self.match + raise ParseException(instring, loc, self.errmsg, self) + + def copy(self): + c = super(Keyword,self).copy() + c.identChars = Keyword.DEFAULT_KEYWORD_CHARS + return c + + @staticmethod + def setDefaultKeywordChars( chars ): + """Overrides the default Keyword chars + """ + Keyword.DEFAULT_KEYWORD_CHARS = chars + +class CaselessLiteral(Literal): + """Token to match a specified string, ignoring case of letters. + Note: the matched results will always be in the case of the given + match string, NOT the case of the input text. + + Example:: + + OneOrMore(CaselessLiteral("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD', 'CMD'] + + (Contrast with example for :class:`CaselessKeyword`.) + """ + def __init__( self, matchString ): + super(CaselessLiteral,self).__init__( matchString.upper() ) + # Preserve the defining literal. + self.returnString = matchString + self.name = "'%s'" % self.returnString + self.errmsg = "Expected " + self.name + + def parseImpl( self, instring, loc, doActions=True ): + if instring[ loc:loc+self.matchLen ].upper() == self.match: + return loc+self.matchLen, self.returnString + raise ParseException(instring, loc, self.errmsg, self) + +class CaselessKeyword(Keyword): + """ + Caseless version of :class:`Keyword`. + + Example:: + + OneOrMore(CaselessKeyword("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD'] + + (Contrast with example for :class:`CaselessLiteral`.) + """ + def __init__( self, matchString, identChars=None ): + super(CaselessKeyword,self).__init__( matchString, identChars, caseless=True ) + +class CloseMatch(Token): + """A variation on :class:`Literal` which matches "close" matches, + that is, strings with at most 'n' mismatching characters. + :class:`CloseMatch` takes parameters: + + - ``match_string`` - string to be matched + - ``maxMismatches`` - (``default=1``) maximum number of + mismatches allowed to count as a match + + The results from a successful parse will contain the matched text + from the input string and the following named results: + + - ``mismatches`` - a list of the positions within the + match_string where mismatches were found + - ``original`` - the original match_string used to compare + against the input string + + If ``mismatches`` is an empty list, then the match was an exact + match. + + Example:: + + patt = CloseMatch("ATCATCGAATGGA") + patt.parseString("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']}) + patt.parseString("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1) + + # exact match + patt.parseString("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']}) + + # close match allowing up to 2 mismatches + patt = CloseMatch("ATCATCGAATGGA", maxMismatches=2) + patt.parseString("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']}) + """ + def __init__(self, match_string, maxMismatches=1): + super(CloseMatch,self).__init__() + self.name = match_string + self.match_string = match_string + self.maxMismatches = maxMismatches + self.errmsg = "Expected %r (with up to %d mismatches)" % (self.match_string, self.maxMismatches) + self.mayIndexError = False + self.mayReturnEmpty = False + + def parseImpl( self, instring, loc, doActions=True ): + start = loc + instrlen = len(instring) + maxloc = start + len(self.match_string) + + if maxloc <= instrlen: + match_string = self.match_string + match_stringloc = 0 + mismatches = [] + maxMismatches = self.maxMismatches + + for match_stringloc,s_m in enumerate(zip(instring[loc:maxloc], self.match_string)): + src,mat = s_m + if src != mat: + mismatches.append(match_stringloc) + if len(mismatches) > maxMismatches: + break + else: + loc = match_stringloc + 1 + results = ParseResults([instring[start:loc]]) + results['original'] = self.match_string + results['mismatches'] = mismatches + return loc, results + + raise ParseException(instring, loc, self.errmsg, self) + + +class Word(Token): + """Token for matching words composed of allowed character sets. + Defined with string containing all allowed initial characters, an + optional string containing allowed body characters (if omitted, + defaults to the initial character set), and an optional minimum, + maximum, and/or exact length. The default value for ``min`` is + 1 (a minimum value < 1 is not valid); the default values for + ``max`` and ``exact`` are 0, meaning no maximum or exact + length restriction. An optional ``excludeChars`` parameter can + list characters that might be found in the input ``bodyChars`` + string; useful to define a word of all printables except for one or + two characters, for instance. + + :class:`srange` is useful for defining custom character set strings + for defining ``Word`` expressions, using range notation from + regular expression character sets. + + A common mistake is to use :class:`Word` to match a specific literal + string, as in ``Word("Address")``. Remember that :class:`Word` + uses the string argument to define *sets* of matchable characters. + This expression would match "Add", "AAA", "dAred", or any other word + made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an + exact literal string, use :class:`Literal` or :class:`Keyword`. + + pyparsing includes helper strings for building Words: + + - :class:`alphas` + - :class:`nums` + - :class:`alphanums` + - :class:`hexnums` + - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255 + - accented, tilded, umlauted, etc.) + - :class:`punc8bit` (non-alphabetic characters in ASCII range + 128-255 - currency, symbols, superscripts, diacriticals, etc.) + - :class:`printables` (any non-whitespace character) + + Example:: + + # a word composed of digits + integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9")) + + # a word with a leading capital, and zero or more lowercase + capital_word = Word(alphas.upper(), alphas.lower()) + + # hostnames are alphanumeric, with leading alpha, and '-' + hostname = Word(alphas, alphanums+'-') + + # roman numeral (not a strict parser, accepts invalid mix of characters) + roman = Word("IVXLCDM") + + # any string of non-whitespace characters, except for ',' + csv_value = Word(printables, excludeChars=",") + """ + def __init__( self, initChars, bodyChars=None, min=1, max=0, exact=0, asKeyword=False, excludeChars=None ): + super(Word,self).__init__() + if excludeChars: + initChars = ''.join(c for c in initChars if c not in excludeChars) + if bodyChars: + bodyChars = ''.join(c for c in bodyChars if c not in excludeChars) + self.initCharsOrig = initChars + self.initChars = set(initChars) + if bodyChars : + self.bodyCharsOrig = bodyChars + self.bodyChars = set(bodyChars) + else: + self.bodyCharsOrig = initChars + self.bodyChars = set(initChars) + + self.maxSpecified = max > 0 + + if min < 1: + raise ValueError("cannot specify a minimum length < 1; use Optional(Word()) if zero-length word is permitted") + + self.minLen = min + + if max > 0: + self.maxLen = max + else: + self.maxLen = _MAX_INT + + if exact > 0: + self.maxLen = exact + self.minLen = exact + + self.name = _ustr(self) + self.errmsg = "Expected " + self.name + self.mayIndexError = False + self.asKeyword = asKeyword + + if ' ' not in self.initCharsOrig+self.bodyCharsOrig and (min==1 and max==0 and exact==0): + if self.bodyCharsOrig == self.initCharsOrig: + self.reString = "[%s]+" % _escapeRegexRangeChars(self.initCharsOrig) + elif len(self.initCharsOrig) == 1: + self.reString = "%s[%s]*" % \ + (re.escape(self.initCharsOrig), + _escapeRegexRangeChars(self.bodyCharsOrig),) + else: + self.reString = "[%s][%s]*" % \ + (_escapeRegexRangeChars(self.initCharsOrig), + _escapeRegexRangeChars(self.bodyCharsOrig),) + if self.asKeyword: + self.reString = r"\b"+self.reString+r"\b" + try: + self.re = re.compile( self.reString ) + except Exception: + self.re = None + + def parseImpl( self, instring, loc, doActions=True ): + if self.re: + result = self.re.match(instring,loc) + if not result: + raise ParseException(instring, loc, self.errmsg, self) + + loc = result.end() + return loc, result.group() + + if not(instring[ loc ] in self.initChars): + raise ParseException(instring, loc, self.errmsg, self) + + start = loc + loc += 1 + instrlen = len(instring) + bodychars = self.bodyChars + maxloc = start + self.maxLen + maxloc = min( maxloc, instrlen ) + while loc < maxloc and instring[loc] in bodychars: + loc += 1 + + throwException = False + if loc - start < self.minLen: + throwException = True + if self.maxSpecified and loc < instrlen and instring[loc] in bodychars: + throwException = True + if self.asKeyword: + if (start>0 and instring[start-1] in bodychars) or (loc<instrlen and instring[loc] in bodychars): + throwException = True + + if throwException: + raise ParseException(instring, loc, self.errmsg, self) + + return loc, instring[start:loc] + + def __str__( self ): + try: + return super(Word,self).__str__() + except Exception: + pass + + + if self.strRepr is None: + + def charsAsStr(s): + if len(s)>4: + return s[:4]+"..." + else: + return s + + if ( self.initCharsOrig != self.bodyCharsOrig ): + self.strRepr = "W:(%s,%s)" % ( charsAsStr(self.initCharsOrig), charsAsStr(self.bodyCharsOrig) ) + else: + self.strRepr = "W:(%s)" % charsAsStr(self.initCharsOrig) + + return self.strRepr + + +class Char(Word): + """A short-cut class for defining ``Word(characters, exact=1)``, + when defining a match of any single character in a string of + characters. + """ + def __init__(self, charset): + super(Char, self).__init__(charset, exact=1) + self.reString = "[%s]" % _escapeRegexRangeChars(self.initCharsOrig) + self.re = re.compile( self.reString ) + + +class Regex(Token): + r"""Token for matching strings that match a given regular + expression. Defined with string specifying the regular expression in + a form recognized by the stdlib Python `re module <https://docs.python.org/3/library/re.html>`_. + If the given regex contains named groups (defined using ``(?P<name>...)``), + these will be preserved as named parse results. + + Example:: + + realnum = Regex(r"[+-]?\d+\.\d*") + date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)') + # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression + roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})") + """ + compiledREtype = type(re.compile("[A-Z]")) + def __init__( self, pattern, flags=0, asGroupList=False, asMatch=False): + """The parameters ``pattern`` and ``flags`` are passed + to the ``re.compile()`` function as-is. See the Python + `re module <https://docs.python.org/3/library/re.html>`_ module for an + explanation of the acceptable patterns and flags. + """ + super(Regex,self).__init__() + + if isinstance(pattern, basestring): + if not pattern: + warnings.warn("null string passed to Regex; use Empty() instead", + SyntaxWarning, stacklevel=2) + + self.pattern = pattern + self.flags = flags + + try: + self.re = re.compile(self.pattern, self.flags) + self.reString = self.pattern + except sre_constants.error: + warnings.warn("invalid pattern (%s) passed to Regex" % pattern, + SyntaxWarning, stacklevel=2) + raise + + elif isinstance(pattern, Regex.compiledREtype): + self.re = pattern + self.pattern = \ + self.reString = str(pattern) + self.flags = flags + + else: + raise ValueError("Regex may only be constructed with a string or a compiled RE object") + + self.name = _ustr(self) + self.errmsg = "Expected " + self.name + self.mayIndexError = False + self.mayReturnEmpty = True + self.asGroupList = asGroupList + self.asMatch = asMatch + + def parseImpl( self, instring, loc, doActions=True ): + result = self.re.match(instring,loc) + if not result: + raise ParseException(instring, loc, self.errmsg, self) + + loc = result.end() + if self.asMatch: + ret = result + elif self.asGroupList: + ret = result.groups() + else: + ret = ParseResults(result.group()) + d = result.groupdict() + if d: + for k, v in d.items(): + ret[k] = v + return loc,ret + + def __str__( self ): + try: + return super(Regex,self).__str__() + except Exception: + pass + + if self.strRepr is None: + self.strRepr = "Re:(%s)" % repr(self.pattern) + + return self.strRepr + + def sub(self, repl): + """ + Return Regex with an attached parse action to transform the parsed + result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_. + + Example:: + + make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>") + print(make_html.transformString("h1:main title:")) + # prints "<h1>main title</h1>" + """ + if self.asGroupList: + warnings.warn("cannot use sub() with Regex(asGroupList=True)", + SyntaxWarning, stacklevel=2) + raise SyntaxError() + + if self.asMatch and callable(repl): + warnings.warn("cannot use sub() with a callable with Regex(asMatch=True)", + SyntaxWarning, stacklevel=2) + raise SyntaxError() + + if self.asMatch: + def pa(tokens): + return tokens[0].expand(repl) + else: + def pa(tokens): + return self.re.sub(repl, tokens[0]) + return self.addParseAction(pa) + +class QuotedString(Token): + r""" + Token for matching strings that are delimited by quoting characters. + + Defined with the following parameters: + + - quoteChar - string of one or more characters defining the + quote delimiting string + - escChar - character to escape quotes, typically backslash + (default= ``None`` ) + - escQuote - special quote sequence to escape an embedded quote + string (such as SQL's ``""`` to escape an embedded ``"``) + (default= ``None`` ) + - multiline - boolean indicating whether quotes can span + multiple lines (default= ``False`` ) + - unquoteResults - boolean indicating whether the matched text + should be unquoted (default= ``True`` ) + - endQuoteChar - string of one or more characters defining the + end of the quote delimited string (default= ``None`` => same as + quoteChar) + - convertWhitespaceEscapes - convert escaped whitespace + (``'\t'``, ``'\n'``, etc.) to actual whitespace + (default= ``True`` ) + + Example:: + + qs = QuotedString('"') + print(qs.searchString('lsjdf "This is the quote" sldjf')) + complex_qs = QuotedString('{{', endQuoteChar='}}') + print(complex_qs.searchString('lsjdf {{This is the "quote"}} sldjf')) + sql_qs = QuotedString('"', escQuote='""') + print(sql_qs.searchString('lsjdf "This is the quote with ""embedded"" quotes" sldjf')) + + prints:: + + [['This is the quote']] + [['This is the "quote"']] + [['This is the quote with "embedded" quotes']] + """ + def __init__( self, quoteChar, escChar=None, escQuote=None, multiline=False, unquoteResults=True, endQuoteChar=None, convertWhitespaceEscapes=True): + super(QuotedString,self).__init__() + + # remove white space from quote chars - wont work anyway + quoteChar = quoteChar.strip() + if not quoteChar: + warnings.warn("quoteChar cannot be the empty string",SyntaxWarning,stacklevel=2) + raise SyntaxError() + + if endQuoteChar is None: + endQuoteChar = quoteChar + else: + endQuoteChar = endQuoteChar.strip() + if not endQuoteChar: + warnings.warn("endQuoteChar cannot be the empty string",SyntaxWarning,stacklevel=2) + raise SyntaxError() + + self.quoteChar = quoteChar + self.quoteCharLen = len(quoteChar) + self.firstQuoteChar = quoteChar[0] + self.endQuoteChar = endQuoteChar + self.endQuoteCharLen = len(endQuoteChar) + self.escChar = escChar + self.escQuote = escQuote + self.unquoteResults = unquoteResults + self.convertWhitespaceEscapes = convertWhitespaceEscapes + + if multiline: + self.flags = re.MULTILINE | re.DOTALL + self.pattern = r'%s(?:[^%s%s]' % \ + ( re.escape(self.quoteChar), + _escapeRegexRangeChars(self.endQuoteChar[0]), + (escChar is not None and _escapeRegexRangeChars(escChar) or '') ) + else: + self.flags = 0 + self.pattern = r'%s(?:[^%s\n\r%s]' % \ + ( re.escape(self.quoteChar), + _escapeRegexRangeChars(self.endQuoteChar[0]), + (escChar is not None and _escapeRegexRangeChars(escChar) or '') ) + if len(self.endQuoteChar) > 1: + self.pattern += ( + '|(?:' + ')|(?:'.join("%s[^%s]" % (re.escape(self.endQuoteChar[:i]), + _escapeRegexRangeChars(self.endQuoteChar[i])) + for i in range(len(self.endQuoteChar)-1,0,-1)) + ')' + ) + if escQuote: + self.pattern += (r'|(?:%s)' % re.escape(escQuote)) + if escChar: + self.pattern += (r'|(?:%s.)' % re.escape(escChar)) + self.escCharReplacePattern = re.escape(self.escChar)+"(.)" + self.pattern += (r')*%s' % re.escape(self.endQuoteChar)) + + try: + self.re = re.compile(self.pattern, self.flags) + self.reString = self.pattern + except sre_constants.error: + warnings.warn("invalid pattern (%s) passed to Regex" % self.pattern, + SyntaxWarning, stacklevel=2) + raise + + self.name = _ustr(self) + self.errmsg = "Expected " + self.name + self.mayIndexError = False + self.mayReturnEmpty = True + + def parseImpl( self, instring, loc, doActions=True ): + result = instring[loc] == self.firstQuoteChar and self.re.match(instring,loc) or None + if not result: + raise ParseException(instring, loc, self.errmsg, self) + + loc = result.end() + ret = result.group() + + if self.unquoteResults: + + # strip off quotes + ret = ret[self.quoteCharLen:-self.endQuoteCharLen] + + if isinstance(ret,basestring): + # replace escaped whitespace + if '\\' in ret and self.convertWhitespaceEscapes: + ws_map = { + r'\t' : '\t', + r'\n' : '\n', + r'\f' : '\f', + r'\r' : '\r', + } + for wslit,wschar in ws_map.items(): + ret = ret.replace(wslit, wschar) + + # replace escaped characters + if self.escChar: + ret = re.sub(self.escCharReplacePattern, r"\g<1>", ret) + + # replace escaped quotes + if self.escQuote: + ret = ret.replace(self.escQuote, self.endQuoteChar) + + return loc, ret + + def __str__( self ): + try: + return super(QuotedString,self).__str__() + except Exception: + pass + + if self.strRepr is None: + self.strRepr = "quoted string, starting with %s ending with %s" % (self.quoteChar, self.endQuoteChar) + + return self.strRepr + + +class CharsNotIn(Token): + """Token for matching words composed of characters *not* in a given + set (will include whitespace in matched characters if not listed in + the provided exclusion set - see example). Defined with string + containing all disallowed characters, and an optional minimum, + maximum, and/or exact length. The default value for ``min`` is + 1 (a minimum value < 1 is not valid); the default values for + ``max`` and ``exact`` are 0, meaning no maximum or exact + length restriction. + + Example:: + + # define a comma-separated-value as anything that is not a ',' + csv_value = CharsNotIn(',') + print(delimitedList(csv_value).parseString("dkls,lsdkjf,s12 34,@!#,213")) + + prints:: + + ['dkls', 'lsdkjf', 's12 34', '@!#', '213'] + """ + def __init__( self, notChars, min=1, max=0, exact=0 ): + super(CharsNotIn,self).__init__() + self.skipWhitespace = False + self.notChars = notChars + + if min < 1: + raise ValueError( + "cannot specify a minimum length < 1; use " + + "Optional(CharsNotIn()) if zero-length char group is permitted") + + self.minLen = min + + if max > 0: + self.maxLen = max + else: + self.maxLen = _MAX_INT + + if exact > 0: + self.maxLen = exact + self.minLen = exact + + self.name = _ustr(self) + self.errmsg = "Expected " + self.name + self.mayReturnEmpty = ( self.minLen == 0 ) + self.mayIndexError = False + + def parseImpl( self, instring, loc, doActions=True ): + if instring[loc] in self.notChars: + raise ParseException(instring, loc, self.errmsg, self) + + start = loc + loc += 1 + notchars = self.notChars + maxlen = min( start+self.maxLen, len(instring) ) + while loc < maxlen and \ + (instring[loc] not in notchars): + loc += 1 + + if loc - start < self.minLen: + raise ParseException(instring, loc, self.errmsg, self) + + return loc, instring[start:loc] + + def __str__( self ): + try: + return super(CharsNotIn, self).__str__() + except Exception: + pass + + if self.strRepr is None: + if len(self.notChars) > 4: + self.strRepr = "!W:(%s...)" % self.notChars[:4] + else: + self.strRepr = "!W:(%s)" % self.notChars + + return self.strRepr + +class White(Token): + """Special matching class for matching whitespace. Normally, + whitespace is ignored by pyparsing grammars. This class is included + when some whitespace structures are significant. Define with + a string containing the whitespace characters to be matched; default + is ``" \\t\\r\\n"``. Also takes optional ``min``, + ``max``, and ``exact`` arguments, as defined for the + :class:`Word` class. + """ + whiteStrs = { + ' ' : '<SP>', + '\t': '<TAB>', + '\n': '<LF>', + '\r': '<CR>', + '\f': '<FF>', + 'u\00A0': '<NBSP>', + 'u\1680': '<OGHAM_SPACE_MARK>', + 'u\180E': '<MONGOLIAN_VOWEL_SEPARATOR>', + 'u\2000': '<EN_QUAD>', + 'u\2001': '<EM_QUAD>', + 'u\2002': '<EN_SPACE>', + 'u\2003': '<EM_SPACE>', + 'u\2004': '<THREE-PER-EM_SPACE>', + 'u\2005': '<FOUR-PER-EM_SPACE>', + 'u\2006': '<SIX-PER-EM_SPACE>', + 'u\2007': '<FIGURE_SPACE>', + 'u\2008': '<PUNCTUATION_SPACE>', + 'u\2009': '<THIN_SPACE>', + 'u\200A': '<HAIR_SPACE>', + 'u\200B': '<ZERO_WIDTH_SPACE>', + 'u\202F': '<NNBSP>', + 'u\205F': '<MMSP>', + 'u\3000': '<IDEOGRAPHIC_SPACE>', + } + def __init__(self, ws=" \t\r\n", min=1, max=0, exact=0): + super(White,self).__init__() + self.matchWhite = ws + self.setWhitespaceChars( "".join(c for c in self.whiteChars if c not in self.matchWhite) ) + #~ self.leaveWhitespace() + self.name = ("".join(White.whiteStrs[c] for c in self.matchWhite)) + self.mayReturnEmpty = True + self.errmsg = "Expected " + self.name + + self.minLen = min + + if max > 0: + self.maxLen = max + else: + self.maxLen = _MAX_INT + + if exact > 0: + self.maxLen = exact + self.minLen = exact + + def parseImpl( self, instring, loc, doActions=True ): + if not(instring[ loc ] in self.matchWhite): + raise ParseException(instring, loc, self.errmsg, self) + start = loc + loc += 1 + maxloc = start + self.maxLen + maxloc = min( maxloc, len(instring) ) + while loc < maxloc and instring[loc] in self.matchWhite: + loc += 1 + + if loc - start < self.minLen: + raise ParseException(instring, loc, self.errmsg, self) + + return loc, instring[start:loc] + + +class _PositionToken(Token): + def __init__( self ): + super(_PositionToken,self).__init__() + self.name=self.__class__.__name__ + self.mayReturnEmpty = True + self.mayIndexError = False + +class GoToColumn(_PositionToken): + """Token to advance to a specific column of input text; useful for + tabular report scraping. + """ + def __init__( self, colno ): + super(GoToColumn,self).__init__() + self.col = colno + + def preParse( self, instring, loc ): + if col(loc,instring) != self.col: + instrlen = len(instring) + if self.ignoreExprs: + loc = self._skipIgnorables( instring, loc ) + while loc < instrlen and instring[loc].isspace() and col( loc, instring ) != self.col : + loc += 1 + return loc + + def parseImpl( self, instring, loc, doActions=True ): + thiscol = col( loc, instring ) + if thiscol > self.col: + raise ParseException( instring, loc, "Text not in expected column", self ) + newloc = loc + self.col - thiscol + ret = instring[ loc: newloc ] + return newloc, ret + + +class LineStart(_PositionToken): + """Matches if current position is at the beginning of a line within + the parse string + + Example:: + + test = '''\ + AAA this line + AAA and this line + AAA but not this one + B AAA and definitely not this one + ''' + + for t in (LineStart() + 'AAA' + restOfLine).searchString(test): + print(t) + + prints:: + + ['AAA', ' this line'] + ['AAA', ' and this line'] + + """ + def __init__( self ): + super(LineStart,self).__init__() + self.errmsg = "Expected start of line" + + def parseImpl( self, instring, loc, doActions=True ): + if col(loc, instring) == 1: + return loc, [] + raise ParseException(instring, loc, self.errmsg, self) + +class LineEnd(_PositionToken): + """Matches if current position is at the end of a line within the + parse string + """ + def __init__( self ): + super(LineEnd,self).__init__() + self.setWhitespaceChars( ParserElement.DEFAULT_WHITE_CHARS.replace("\n","") ) + self.errmsg = "Expected end of line" + + def parseImpl( self, instring, loc, doActions=True ): + if loc<len(instring): + if instring[loc] == "\n": + return loc+1, "\n" + else: + raise ParseException(instring, loc, self.errmsg, self) + elif loc == len(instring): + return loc+1, [] + else: + raise ParseException(instring, loc, self.errmsg, self) + +class StringStart(_PositionToken): + """Matches if current position is at the beginning of the parse + string + """ + def __init__( self ): + super(StringStart,self).__init__() + self.errmsg = "Expected start of text" + + def parseImpl( self, instring, loc, doActions=True ): + if loc != 0: + # see if entire string up to here is just whitespace and ignoreables + if loc != self.preParse( instring, 0 ): + raise ParseException(instring, loc, self.errmsg, self) + return loc, [] + +class StringEnd(_PositionToken): + """Matches if current position is at the end of the parse string + """ + def __init__( self ): + super(StringEnd,self).__init__() + self.errmsg = "Expected end of text" + + def parseImpl( self, instring, loc, doActions=True ): + if loc < len(instring): + raise ParseException(instring, loc, self.errmsg, self) + elif loc == len(instring): + return loc+1, [] + elif loc > len(instring): + return loc, [] + else: + raise ParseException(instring, loc, self.errmsg, self) + +class WordStart(_PositionToken): + """Matches if the current position is at the beginning of a Word, + and is not preceded by any character in a given set of + ``wordChars`` (default= ``printables``). To emulate the + ``\b`` behavior of regular expressions, use + ``WordStart(alphanums)``. ``WordStart`` will also match at + the beginning of the string being parsed, or at the beginning of + a line. + """ + def __init__(self, wordChars = printables): + super(WordStart,self).__init__() + self.wordChars = set(wordChars) + self.errmsg = "Not at the start of a word" + + def parseImpl(self, instring, loc, doActions=True ): + if loc != 0: + if (instring[loc-1] in self.wordChars or + instring[loc] not in self.wordChars): + raise ParseException(instring, loc, self.errmsg, self) + return loc, [] + +class WordEnd(_PositionToken): + """Matches if the current position is at the end of a Word, and is + not followed by any character in a given set of ``wordChars`` + (default= ``printables``). To emulate the ``\b`` behavior of + regular expressions, use ``WordEnd(alphanums)``. ``WordEnd`` + will also match at the end of the string being parsed, or at the end + of a line. + """ + def __init__(self, wordChars = printables): + super(WordEnd,self).__init__() + self.wordChars = set(wordChars) + self.skipWhitespace = False + self.errmsg = "Not at the end of a word" + + def parseImpl(self, instring, loc, doActions=True ): + instrlen = len(instring) + if instrlen>0 and loc<instrlen: + if (instring[loc] in self.wordChars or + instring[loc-1] not in self.wordChars): + raise ParseException(instring, loc, self.errmsg, self) + return loc, [] + + +class ParseExpression(ParserElement): + """Abstract subclass of ParserElement, for combining and + post-processing parsed tokens. + """ + def __init__( self, exprs, savelist = False ): + super(ParseExpression,self).__init__(savelist) + if isinstance( exprs, _generatorType ): + exprs = list(exprs) + + if isinstance( exprs, basestring ): + self.exprs = [ ParserElement._literalStringClass( exprs ) ] + elif isinstance( exprs, Iterable ): + exprs = list(exprs) + # if sequence of strings provided, wrap with Literal + if all(isinstance(expr, basestring) for expr in exprs): + exprs = map(ParserElement._literalStringClass, exprs) + self.exprs = list(exprs) + else: + try: + self.exprs = list( exprs ) + except TypeError: + self.exprs = [ exprs ] + self.callPreparse = False + + def __getitem__( self, i ): + return self.exprs[i] + + def append( self, other ): + self.exprs.append( other ) + self.strRepr = None + return self + + def leaveWhitespace( self ): + """Extends ``leaveWhitespace`` defined in base class, and also invokes ``leaveWhitespace`` on + all contained expressions.""" + self.skipWhitespace = False + self.exprs = [ e.copy() for e in self.exprs ] + for e in self.exprs: + e.leaveWhitespace() + return self + + def ignore( self, other ): + if isinstance( other, Suppress ): + if other not in self.ignoreExprs: + super( ParseExpression, self).ignore( other ) + for e in self.exprs: + e.ignore( self.ignoreExprs[-1] ) + else: + super( ParseExpression, self).ignore( other ) + for e in self.exprs: + e.ignore( self.ignoreExprs[-1] ) + return self + + def __str__( self ): + try: + return super(ParseExpression,self).__str__() + except Exception: + pass + + if self.strRepr is None: + self.strRepr = "%s:(%s)" % ( self.__class__.__name__, _ustr(self.exprs) ) + return self.strRepr + + def streamline( self ): + super(ParseExpression,self).streamline() + + for e in self.exprs: + e.streamline() + + # collapse nested And's of the form And( And( And( a,b), c), d) to And( a,b,c,d ) + # but only if there are no parse actions or resultsNames on the nested And's + # (likewise for Or's and MatchFirst's) + if ( len(self.exprs) == 2 ): + other = self.exprs[0] + if ( isinstance( other, self.__class__ ) and + not(other.parseAction) and + other.resultsName is None and + not other.debug ): + self.exprs = other.exprs[:] + [ self.exprs[1] ] + self.strRepr = None + self.mayReturnEmpty |= other.mayReturnEmpty + self.mayIndexError |= other.mayIndexError + + other = self.exprs[-1] + if ( isinstance( other, self.__class__ ) and + not(other.parseAction) and + other.resultsName is None and + not other.debug ): + self.exprs = self.exprs[:-1] + other.exprs[:] + self.strRepr = None + self.mayReturnEmpty |= other.mayReturnEmpty + self.mayIndexError |= other.mayIndexError + + self.errmsg = "Expected " + _ustr(self) + + return self + + def setResultsName( self, name, listAllMatches=False ): + ret = super(ParseExpression,self).setResultsName(name,listAllMatches) + return ret + + def validate( self, validateTrace=[] ): + tmp = validateTrace[:]+[self] + for e in self.exprs: + e.validate(tmp) + self.checkRecursion( [] ) + + def copy(self): + ret = super(ParseExpression,self).copy() + ret.exprs = [e.copy() for e in self.exprs] + return ret + +class And(ParseExpression): + """ + Requires all given :class:`ParseExpression` s to be found in the given order. + Expressions may be separated by whitespace. + May be constructed using the ``'+'`` operator. + May also be constructed using the ``'-'`` operator, which will + suppress backtracking. + + Example:: + + integer = Word(nums) + name_expr = OneOrMore(Word(alphas)) + + expr = And([integer("id"),name_expr("name"),integer("age")]) + # more easily written as: + expr = integer("id") + name_expr("name") + integer("age") + """ + + class _ErrorStop(Empty): + def __init__(self, *args, **kwargs): + super(And._ErrorStop,self).__init__(*args, **kwargs) + self.name = '-' + self.leaveWhitespace() + + def __init__( self, exprs, savelist = True ): + super(And,self).__init__(exprs, savelist) + self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs) + self.setWhitespaceChars( self.exprs[0].whiteChars ) + self.skipWhitespace = self.exprs[0].skipWhitespace + self.callPreparse = True + + def streamline(self): + super(And, self).streamline() + self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs) + return self + + def parseImpl( self, instring, loc, doActions=True ): + # pass False as last arg to _parse for first element, since we already + # pre-parsed the string as part of our And pre-parsing + loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False ) + errorStop = False + for e in self.exprs[1:]: + if isinstance(e, And._ErrorStop): + errorStop = True + continue + if errorStop: + try: + loc, exprtokens = e._parse( instring, loc, doActions ) + except ParseSyntaxException: + raise + except ParseBaseException as pe: + pe.__traceback__ = None + raise ParseSyntaxException._from_exception(pe) + except IndexError: + raise ParseSyntaxException(instring, len(instring), self.errmsg, self) + else: + loc, exprtokens = e._parse( instring, loc, doActions ) + if exprtokens or exprtokens.haskeys(): + resultlist += exprtokens + return loc, resultlist + + def __iadd__(self, other ): + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + return self.append( other ) #And( [ self, other ] ) + + def checkRecursion( self, parseElementList ): + subRecCheckList = parseElementList[:] + [ self ] + for e in self.exprs: + e.checkRecursion( subRecCheckList ) + if not e.mayReturnEmpty: + break + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "{" + " ".join(_ustr(e) for e in self.exprs) + "}" + + return self.strRepr + + +class Or(ParseExpression): + """Requires that at least one :class:`ParseExpression` is found. If + two expressions match, the expression that matches the longest + string will be used. May be constructed using the ``'^'`` + operator. + + Example:: + + # construct Or using '^' operator + + number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums)) + print(number.searchString("123 3.1416 789")) + + prints:: + + [['123'], ['3.1416'], ['789']] + """ + def __init__( self, exprs, savelist = False ): + super(Or,self).__init__(exprs, savelist) + if self.exprs: + self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs) + else: + self.mayReturnEmpty = True + + def streamline(self): + super(Or, self).streamline() + self.saveAsList = any(e.saveAsList for e in self.exprs) + return self + + def parseImpl( self, instring, loc, doActions=True ): + maxExcLoc = -1 + maxException = None + matches = [] + for e in self.exprs: + try: + loc2 = e.tryParse( instring, loc ) + except ParseException as err: + err.__traceback__ = None + if err.loc > maxExcLoc: + maxException = err + maxExcLoc = err.loc + except IndexError: + if len(instring) > maxExcLoc: + maxException = ParseException(instring,len(instring),e.errmsg,self) + maxExcLoc = len(instring) + else: + # save match among all matches, to retry longest to shortest + matches.append((loc2, e)) + + if matches: + matches.sort(key=lambda x: -x[0]) + for _,e in matches: + try: + return e._parse( instring, loc, doActions ) + except ParseException as err: + err.__traceback__ = None + if err.loc > maxExcLoc: + maxException = err + maxExcLoc = err.loc + + if maxException is not None: + maxException.msg = self.errmsg + raise maxException + else: + raise ParseException(instring, loc, "no defined alternatives to match", self) + + + def __ixor__(self, other ): + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + return self.append( other ) #Or( [ self, other ] ) + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "{" + " ^ ".join(_ustr(e) for e in self.exprs) + "}" + + return self.strRepr + + def checkRecursion( self, parseElementList ): + subRecCheckList = parseElementList[:] + [ self ] + for e in self.exprs: + e.checkRecursion( subRecCheckList ) + + +class MatchFirst(ParseExpression): + """Requires that at least one :class:`ParseExpression` is found. If + two expressions match, the first one listed is the one that will + match. May be constructed using the ``'|'`` operator. + + Example:: + + # construct MatchFirst using '|' operator + + # watch the order of expressions to match + number = Word(nums) | Combine(Word(nums) + '.' + Word(nums)) + print(number.searchString("123 3.1416 789")) # Fail! -> [['123'], ['3'], ['1416'], ['789']] + + # put more selective expression first + number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums) + print(number.searchString("123 3.1416 789")) # Better -> [['123'], ['3.1416'], ['789']] + """ + def __init__( self, exprs, savelist = False ): + super(MatchFirst,self).__init__(exprs, savelist) + if self.exprs: + self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs) + # self.saveAsList = any(e.saveAsList for e in self.exprs) + else: + self.mayReturnEmpty = True + + def streamline(self): + super(MatchFirst, self).streamline() + self.saveAsList = any(e.saveAsList for e in self.exprs) + return self + + def parseImpl( self, instring, loc, doActions=True ): + maxExcLoc = -1 + maxException = None + for e in self.exprs: + try: + ret = e._parse( instring, loc, doActions ) + return ret + except ParseException as err: + if err.loc > maxExcLoc: + maxException = err + maxExcLoc = err.loc + except IndexError: + if len(instring) > maxExcLoc: + maxException = ParseException(instring,len(instring),e.errmsg,self) + maxExcLoc = len(instring) + + # only got here if no expression matched, raise exception for match that made it the furthest + else: + if maxException is not None: + maxException.msg = self.errmsg + raise maxException + else: + raise ParseException(instring, loc, "no defined alternatives to match", self) + + def __ior__(self, other ): + if isinstance( other, basestring ): + other = ParserElement._literalStringClass( other ) + return self.append( other ) #MatchFirst( [ self, other ] ) + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "{" + " | ".join(_ustr(e) for e in self.exprs) + "}" + + return self.strRepr + + def checkRecursion( self, parseElementList ): + subRecCheckList = parseElementList[:] + [ self ] + for e in self.exprs: + e.checkRecursion( subRecCheckList ) + + +class Each(ParseExpression): + """Requires all given :class:`ParseExpression` s to be found, but in + any order. Expressions may be separated by whitespace. + + May be constructed using the ``'&'`` operator. + + Example:: + + color = oneOf("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN") + shape_type = oneOf("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON") + integer = Word(nums) + shape_attr = "shape:" + shape_type("shape") + posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn") + color_attr = "color:" + color("color") + size_attr = "size:" + integer("size") + + # use Each (using operator '&') to accept attributes in any order + # (shape and posn are required, color and size are optional) + shape_spec = shape_attr & posn_attr & Optional(color_attr) & Optional(size_attr) + + shape_spec.runTests(''' + shape: SQUARE color: BLACK posn: 100, 120 + shape: CIRCLE size: 50 color: BLUE posn: 50,80 + color:GREEN size:20 shape:TRIANGLE posn:20,40 + ''' + ) + + prints:: + + shape: SQUARE color: BLACK posn: 100, 120 + ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']] + - color: BLACK + - posn: ['100', ',', '120'] + - x: 100 + - y: 120 + - shape: SQUARE + + + shape: CIRCLE size: 50 color: BLUE posn: 50,80 + ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']] + - color: BLUE + - posn: ['50', ',', '80'] + - x: 50 + - y: 80 + - shape: CIRCLE + - size: 50 + + + color: GREEN size: 20 shape: TRIANGLE posn: 20,40 + ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']] + - color: GREEN + - posn: ['20', ',', '40'] + - x: 20 + - y: 40 + - shape: TRIANGLE + - size: 20 + """ + def __init__( self, exprs, savelist = True ): + super(Each,self).__init__(exprs, savelist) + self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs) + self.skipWhitespace = True + self.initExprGroups = True + self.saveAsList = True + + def streamline(self): + super(Each, self).streamline() + self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs) + return self + + def parseImpl( self, instring, loc, doActions=True ): + if self.initExprGroups: + self.opt1map = dict((id(e.expr),e) for e in self.exprs if isinstance(e,Optional)) + opt1 = [ e.expr for e in self.exprs if isinstance(e,Optional) ] + opt2 = [ e for e in self.exprs if e.mayReturnEmpty and not isinstance(e,Optional)] + self.optionals = opt1 + opt2 + self.multioptionals = [ e.expr for e in self.exprs if isinstance(e,ZeroOrMore) ] + self.multirequired = [ e.expr for e in self.exprs if isinstance(e,OneOrMore) ] + self.required = [ e for e in self.exprs if not isinstance(e,(Optional,ZeroOrMore,OneOrMore)) ] + self.required += self.multirequired + self.initExprGroups = False + tmpLoc = loc + tmpReqd = self.required[:] + tmpOpt = self.optionals[:] + matchOrder = [] + + keepMatching = True + while keepMatching: + tmpExprs = tmpReqd + tmpOpt + self.multioptionals + self.multirequired + failed = [] + for e in tmpExprs: + try: + tmpLoc = e.tryParse( instring, tmpLoc ) + except ParseException: + failed.append(e) + else: + matchOrder.append(self.opt1map.get(id(e),e)) + if e in tmpReqd: + tmpReqd.remove(e) + elif e in tmpOpt: + tmpOpt.remove(e) + if len(failed) == len(tmpExprs): + keepMatching = False + + if tmpReqd: + missing = ", ".join(_ustr(e) for e in tmpReqd) + raise ParseException(instring,loc,"Missing one or more required elements (%s)" % missing ) + + # add any unmatched Optionals, in case they have default values defined + matchOrder += [e for e in self.exprs if isinstance(e,Optional) and e.expr in tmpOpt] + + resultlist = [] + for e in matchOrder: + loc,results = e._parse(instring,loc,doActions) + resultlist.append(results) + + finalResults = sum(resultlist, ParseResults([])) + return loc, finalResults + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "{" + " & ".join(_ustr(e) for e in self.exprs) + "}" + + return self.strRepr + + def checkRecursion( self, parseElementList ): + subRecCheckList = parseElementList[:] + [ self ] + for e in self.exprs: + e.checkRecursion( subRecCheckList ) + + +class ParseElementEnhance(ParserElement): + """Abstract subclass of :class:`ParserElement`, for combining and + post-processing parsed tokens. + """ + def __init__( self, expr, savelist=False ): + super(ParseElementEnhance,self).__init__(savelist) + if isinstance( expr, basestring ): + if issubclass(ParserElement._literalStringClass, Token): + expr = ParserElement._literalStringClass(expr) + else: + expr = ParserElement._literalStringClass(Literal(expr)) + self.expr = expr + self.strRepr = None + if expr is not None: + self.mayIndexError = expr.mayIndexError + self.mayReturnEmpty = expr.mayReturnEmpty + self.setWhitespaceChars( expr.whiteChars ) + self.skipWhitespace = expr.skipWhitespace + self.saveAsList = expr.saveAsList + self.callPreparse = expr.callPreparse + self.ignoreExprs.extend(expr.ignoreExprs) + + def parseImpl( self, instring, loc, doActions=True ): + if self.expr is not None: + return self.expr._parse( instring, loc, doActions, callPreParse=False ) + else: + raise ParseException("",loc,self.errmsg,self) + + def leaveWhitespace( self ): + self.skipWhitespace = False + self.expr = self.expr.copy() + if self.expr is not None: + self.expr.leaveWhitespace() + return self + + def ignore( self, other ): + if isinstance( other, Suppress ): + if other not in self.ignoreExprs: + super( ParseElementEnhance, self).ignore( other ) + if self.expr is not None: + self.expr.ignore( self.ignoreExprs[-1] ) + else: + super( ParseElementEnhance, self).ignore( other ) + if self.expr is not None: + self.expr.ignore( self.ignoreExprs[-1] ) + return self + + def streamline( self ): + super(ParseElementEnhance,self).streamline() + if self.expr is not None: + self.expr.streamline() + return self + + def checkRecursion( self, parseElementList ): + if self in parseElementList: + raise RecursiveGrammarException( parseElementList+[self] ) + subRecCheckList = parseElementList[:] + [ self ] + if self.expr is not None: + self.expr.checkRecursion( subRecCheckList ) + + def validate( self, validateTrace=[] ): + tmp = validateTrace[:]+[self] + if self.expr is not None: + self.expr.validate(tmp) + self.checkRecursion( [] ) + + def __str__( self ): + try: + return super(ParseElementEnhance,self).__str__() + except Exception: + pass + + if self.strRepr is None and self.expr is not None: + self.strRepr = "%s:(%s)" % ( self.__class__.__name__, _ustr(self.expr) ) + return self.strRepr + + +class FollowedBy(ParseElementEnhance): + """Lookahead matching of the given parse expression. + ``FollowedBy`` does *not* advance the parsing position within + the input string, it only verifies that the specified parse + expression matches at the current position. ``FollowedBy`` + always returns a null token list. If any results names are defined + in the lookahead expression, those *will* be returned for access by + name. + + Example:: + + # use FollowedBy to match a label only if it is followed by a ':' + data_word = Word(alphas) + label = data_word + FollowedBy(':') + attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) + + OneOrMore(attr_expr).parseString("shape: SQUARE color: BLACK posn: upper left").pprint() + + prints:: + + [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']] + """ + def __init__( self, expr ): + super(FollowedBy,self).__init__(expr) + self.mayReturnEmpty = True + + def parseImpl( self, instring, loc, doActions=True ): + _, ret = self.expr._parse(instring, loc, doActions=doActions) + del ret[:] + return loc, ret + + +class PrecededBy(ParseElementEnhance): + """Lookbehind matching of the given parse expression. + ``PrecededBy`` does not advance the parsing position within the + input string, it only verifies that the specified parse expression + matches prior to the current position. ``PrecededBy`` always + returns a null token list, but if a results name is defined on the + given expression, it is returned. + + Parameters: + + - expr - expression that must match prior to the current parse + location + - retreat - (default= ``None``) - (int) maximum number of characters + to lookbehind prior to the current parse location + + If the lookbehind expression is a string, Literal, Keyword, or + a Word or CharsNotIn with a specified exact or maximum length, then + the retreat parameter is not required. Otherwise, retreat must be + specified to give a maximum number of characters to look back from + the current parse position for a lookbehind match. + + Example:: + + # VB-style variable names with type prefixes + int_var = PrecededBy("#") + pyparsing_common.identifier + str_var = PrecededBy("$") + pyparsing_common.identifier + + """ + def __init__(self, expr, retreat=None): + super(PrecededBy, self).__init__(expr) + self.expr = self.expr().leaveWhitespace() + self.mayReturnEmpty = True + self.mayIndexError = False + self.exact = False + if isinstance(expr, str): + retreat = len(expr) + self.exact = True + elif isinstance(expr, (Literal, Keyword)): + retreat = expr.matchLen + self.exact = True + elif isinstance(expr, (Word, CharsNotIn)) and expr.maxLen != _MAX_INT: + retreat = expr.maxLen + self.exact = True + elif isinstance(expr, _PositionToken): + retreat = 0 + self.exact = True + self.retreat = retreat + self.errmsg = "not preceded by " + str(expr) + self.skipWhitespace = False + + def parseImpl(self, instring, loc=0, doActions=True): + if self.exact: + if loc < self.retreat: + raise ParseException(instring, loc, self.errmsg) + start = loc - self.retreat + _, ret = self.expr._parse(instring, start) + else: + # retreat specified a maximum lookbehind window, iterate + test_expr = self.expr + StringEnd() + instring_slice = instring[:loc] + last_expr = ParseException(instring, loc, self.errmsg) + for offset in range(1, min(loc, self.retreat+1)): + try: + _, ret = test_expr._parse(instring_slice, loc-offset) + except ParseBaseException as pbe: + last_expr = pbe + else: + break + else: + raise last_expr + # return empty list of tokens, but preserve any defined results names + del ret[:] + return loc, ret + + +class NotAny(ParseElementEnhance): + """Lookahead to disallow matching with the given parse expression. + ``NotAny`` does *not* advance the parsing position within the + input string, it only verifies that the specified parse expression + does *not* match at the current position. Also, ``NotAny`` does + *not* skip over leading whitespace. ``NotAny`` always returns + a null token list. May be constructed using the '~' operator. + + Example:: + + AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split()) + + # take care not to mistake keywords for identifiers + ident = ~(AND | OR | NOT) + Word(alphas) + boolean_term = Optional(NOT) + ident + + # very crude boolean expression - to support parenthesis groups and + # operation hierarchy, use infixNotation + boolean_expr = boolean_term + ZeroOrMore((AND | OR) + boolean_term) + + # integers that are followed by "." are actually floats + integer = Word(nums) + ~Char(".") + """ + def __init__( self, expr ): + super(NotAny,self).__init__(expr) + #~ self.leaveWhitespace() + self.skipWhitespace = False # do NOT use self.leaveWhitespace(), don't want to propagate to exprs + self.mayReturnEmpty = True + self.errmsg = "Found unwanted token, "+_ustr(self.expr) + + def parseImpl( self, instring, loc, doActions=True ): + if self.expr.canParseNext(instring, loc): + raise ParseException(instring, loc, self.errmsg, self) + return loc, [] + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "~{" + _ustr(self.expr) + "}" + + return self.strRepr + +class _MultipleMatch(ParseElementEnhance): + def __init__( self, expr, stopOn=None): + super(_MultipleMatch, self).__init__(expr) + self.saveAsList = True + ender = stopOn + if isinstance(ender, basestring): + ender = ParserElement._literalStringClass(ender) + self.not_ender = ~ender if ender is not None else None + + def parseImpl( self, instring, loc, doActions=True ): + self_expr_parse = self.expr._parse + self_skip_ignorables = self._skipIgnorables + check_ender = self.not_ender is not None + if check_ender: + try_not_ender = self.not_ender.tryParse + + # must be at least one (but first see if we are the stopOn sentinel; + # if so, fail) + if check_ender: + try_not_ender(instring, loc) + loc, tokens = self_expr_parse( instring, loc, doActions, callPreParse=False ) + try: + hasIgnoreExprs = (not not self.ignoreExprs) + while 1: + if check_ender: + try_not_ender(instring, loc) + if hasIgnoreExprs: + preloc = self_skip_ignorables( instring, loc ) + else: + preloc = loc + loc, tmptokens = self_expr_parse( instring, preloc, doActions ) + if tmptokens or tmptokens.haskeys(): + tokens += tmptokens + except (ParseException,IndexError): + pass + + return loc, tokens + +class OneOrMore(_MultipleMatch): + """Repetition of one or more of the given expression. + + Parameters: + - expr - expression that must match one or more times + - stopOn - (default= ``None``) - expression for a terminating sentinel + (only required if the sentinel would ordinarily match the repetition + expression) + + Example:: + + data_word = Word(alphas) + label = data_word + FollowedBy(':') + attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) + + text = "shape: SQUARE posn: upper left color: BLACK" + OneOrMore(attr_expr).parseString(text).pprint() # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']] + + # use stopOn attribute for OneOrMore to avoid reading label string as part of the data + attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) + OneOrMore(attr_expr).parseString(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']] + + # could also be written as + (attr_expr * (1,)).parseString(text).pprint() + """ + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "{" + _ustr(self.expr) + "}..." + + return self.strRepr + +class ZeroOrMore(_MultipleMatch): + """Optional repetition of zero or more of the given expression. + + Parameters: + - expr - expression that must match zero or more times + - stopOn - (default= ``None``) - expression for a terminating sentinel + (only required if the sentinel would ordinarily match the repetition + expression) + + Example: similar to :class:`OneOrMore` + """ + def __init__( self, expr, stopOn=None): + super(ZeroOrMore,self).__init__(expr, stopOn=stopOn) + self.mayReturnEmpty = True + + def parseImpl( self, instring, loc, doActions=True ): + try: + return super(ZeroOrMore, self).parseImpl(instring, loc, doActions) + except (ParseException,IndexError): + return loc, [] + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "[" + _ustr(self.expr) + "]..." + + return self.strRepr + +class _NullToken(object): + def __bool__(self): + return False + __nonzero__ = __bool__ + def __str__(self): + return "" + +_optionalNotMatched = _NullToken() +class Optional(ParseElementEnhance): + """Optional matching of the given expression. + + Parameters: + - expr - expression that must match zero or more times + - default (optional) - value to be returned if the optional expression is not found. + + Example:: + + # US postal code can be a 5-digit zip, plus optional 4-digit qualifier + zip = Combine(Word(nums, exact=5) + Optional('-' + Word(nums, exact=4))) + zip.runTests(''' + # traditional ZIP code + 12345 + + # ZIP+4 form + 12101-0001 + + # invalid ZIP + 98765- + ''') + + prints:: + + # traditional ZIP code + 12345 + ['12345'] + + # ZIP+4 form + 12101-0001 + ['12101-0001'] + + # invalid ZIP + 98765- + ^ + FAIL: Expected end of text (at char 5), (line:1, col:6) + """ + def __init__( self, expr, default=_optionalNotMatched ): + super(Optional,self).__init__( expr, savelist=False ) + self.saveAsList = self.expr.saveAsList + self.defaultValue = default + self.mayReturnEmpty = True + + def parseImpl( self, instring, loc, doActions=True ): + try: + loc, tokens = self.expr._parse( instring, loc, doActions, callPreParse=False ) + except (ParseException,IndexError): + if self.defaultValue is not _optionalNotMatched: + if self.expr.resultsName: + tokens = ParseResults([ self.defaultValue ]) + tokens[self.expr.resultsName] = self.defaultValue + else: + tokens = [ self.defaultValue ] + else: + tokens = [] + return loc, tokens + + def __str__( self ): + if hasattr(self,"name"): + return self.name + + if self.strRepr is None: + self.strRepr = "[" + _ustr(self.expr) + "]" + + return self.strRepr + +class SkipTo(ParseElementEnhance): + """Token for skipping over all undefined text until the matched + expression is found. + + Parameters: + - expr - target expression marking the end of the data to be skipped + - include - (default= ``False``) if True, the target expression is also parsed + (the skipped text and target expression are returned as a 2-element list). + - ignore - (default= ``None``) used to define grammars (typically quoted strings and + comments) that might contain false matches to the target expression + - failOn - (default= ``None``) define expressions that are not allowed to be + included in the skipped test; if found before the target expression is found, + the SkipTo is not a match + + Example:: + + report = ''' + Outstanding Issues Report - 1 Jan 2000 + + # | Severity | Description | Days Open + -----+----------+-------------------------------------------+----------- + 101 | Critical | Intermittent system crash | 6 + 94 | Cosmetic | Spelling error on Login ('log|n') | 14 + 79 | Minor | System slow when running too many reports | 47 + ''' + integer = Word(nums) + SEP = Suppress('|') + # use SkipTo to simply match everything up until the next SEP + # - ignore quoted strings, so that a '|' character inside a quoted string does not match + # - parse action will call token.strip() for each matched token, i.e., the description body + string_data = SkipTo(SEP, ignore=quotedString) + string_data.setParseAction(tokenMap(str.strip)) + ticket_expr = (integer("issue_num") + SEP + + string_data("sev") + SEP + + string_data("desc") + SEP + + integer("days_open")) + + for tkt in ticket_expr.searchString(report): + print tkt.dump() + + prints:: + + ['101', 'Critical', 'Intermittent system crash', '6'] + - days_open: 6 + - desc: Intermittent system crash + - issue_num: 101 + - sev: Critical + ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14'] + - days_open: 14 + - desc: Spelling error on Login ('log|n') + - issue_num: 94 + - sev: Cosmetic + ['79', 'Minor', 'System slow when running too many reports', '47'] + - days_open: 47 + - desc: System slow when running too many reports + - issue_num: 79 + - sev: Minor + """ + def __init__( self, other, include=False, ignore=None, failOn=None ): + super( SkipTo, self ).__init__( other ) + self.ignoreExpr = ignore + self.mayReturnEmpty = True + self.mayIndexError = False + self.includeMatch = include + self.saveAsList = False + if isinstance(failOn, basestring): + self.failOn = ParserElement._literalStringClass(failOn) + else: + self.failOn = failOn + self.errmsg = "No match found for "+_ustr(self.expr) + + def parseImpl( self, instring, loc, doActions=True ): + startloc = loc + instrlen = len(instring) + expr = self.expr + expr_parse = self.expr._parse + self_failOn_canParseNext = self.failOn.canParseNext if self.failOn is not None else None + self_ignoreExpr_tryParse = self.ignoreExpr.tryParse if self.ignoreExpr is not None else None + + tmploc = loc + while tmploc <= instrlen: + if self_failOn_canParseNext is not None: + # break if failOn expression matches + if self_failOn_canParseNext(instring, tmploc): + break + + if self_ignoreExpr_tryParse is not None: + # advance past ignore expressions + while 1: + try: + tmploc = self_ignoreExpr_tryParse(instring, tmploc) + except ParseBaseException: + break + + try: + expr_parse(instring, tmploc, doActions=False, callPreParse=False) + except (ParseException, IndexError): + # no match, advance loc in string + tmploc += 1 + else: + # matched skipto expr, done + break + + else: + # ran off the end of the input string without matching skipto expr, fail + raise ParseException(instring, loc, self.errmsg, self) + + # build up return values + loc = tmploc + skiptext = instring[startloc:loc] + skipresult = ParseResults(skiptext) + + if self.includeMatch: + loc, mat = expr_parse(instring,loc,doActions,callPreParse=False) + skipresult += mat + + return loc, skipresult + +class Forward(ParseElementEnhance): + """Forward declaration of an expression to be defined later - + used for recursive grammars, such as algebraic infix notation. + When the expression is known, it is assigned to the ``Forward`` + variable using the '<<' operator. + + Note: take care when assigning to ``Forward`` not to overlook + precedence of operators. + + Specifically, '|' has a lower precedence than '<<', so that:: + + fwdExpr << a | b | c + + will actually be evaluated as:: + + (fwdExpr << a) | b | c + + thereby leaving b and c out as parseable alternatives. It is recommended that you + explicitly group the values inserted into the ``Forward``:: + + fwdExpr << (a | b | c) + + Converting to use the '<<=' operator instead will avoid this problem. + + See :class:`ParseResults.pprint` for an example of a recursive + parser created using ``Forward``. + """ + def __init__( self, other=None ): + super(Forward,self).__init__( other, savelist=False ) + + def __lshift__( self, other ): + if isinstance( other, basestring ): + other = ParserElement._literalStringClass(other) + self.expr = other + self.strRepr = None + self.mayIndexError = self.expr.mayIndexError + self.mayReturnEmpty = self.expr.mayReturnEmpty + self.setWhitespaceChars( self.expr.whiteChars ) + self.skipWhitespace = self.expr.skipWhitespace + self.saveAsList = self.expr.saveAsList + self.ignoreExprs.extend(self.expr.ignoreExprs) + return self + + def __ilshift__(self, other): + return self << other + + def leaveWhitespace( self ): + self.skipWhitespace = False + return self + + def streamline( self ): + if not self.streamlined: + self.streamlined = True + if self.expr is not None: + self.expr.streamline() + return self + + def validate( self, validateTrace=[] ): + if self not in validateTrace: + tmp = validateTrace[:]+[self] + if self.expr is not None: + self.expr.validate(tmp) + self.checkRecursion([]) + + def __str__( self ): + if hasattr(self,"name"): + return self.name + return self.__class__.__name__ + ": ..." + + # stubbed out for now - creates awful memory and perf issues + self._revertClass = self.__class__ + self.__class__ = _ForwardNoRecurse + try: + if self.expr is not None: + retString = _ustr(self.expr) + else: + retString = "None" + finally: + self.__class__ = self._revertClass + return self.__class__.__name__ + ": " + retString + + def copy(self): + if self.expr is not None: + return super(Forward,self).copy() + else: + ret = Forward() + ret <<= self + return ret + +class _ForwardNoRecurse(Forward): + def __str__( self ): + return "..." + +class TokenConverter(ParseElementEnhance): + """ + Abstract subclass of :class:`ParseExpression`, for converting parsed results. + """ + def __init__( self, expr, savelist=False ): + super(TokenConverter,self).__init__( expr )#, savelist ) + self.saveAsList = False + +class Combine(TokenConverter): + """Converter to concatenate all matching tokens to a single string. + By default, the matching patterns must also be contiguous in the + input string; this can be disabled by specifying + ``'adjacent=False'`` in the constructor. + + Example:: + + real = Word(nums) + '.' + Word(nums) + print(real.parseString('3.1416')) # -> ['3', '.', '1416'] + # will also erroneously match the following + print(real.parseString('3. 1416')) # -> ['3', '.', '1416'] + + real = Combine(Word(nums) + '.' + Word(nums)) + print(real.parseString('3.1416')) # -> ['3.1416'] + # no match when there are internal spaces + print(real.parseString('3. 1416')) # -> Exception: Expected W:(0123...) + """ + def __init__( self, expr, joinString="", adjacent=True ): + super(Combine,self).__init__( expr ) + # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself + if adjacent: + self.leaveWhitespace() + self.adjacent = adjacent + self.skipWhitespace = True + self.joinString = joinString + self.callPreparse = True + + def ignore( self, other ): + if self.adjacent: + ParserElement.ignore(self, other) + else: + super( Combine, self).ignore( other ) + return self + + def postParse( self, instring, loc, tokenlist ): + retToks = tokenlist.copy() + del retToks[:] + retToks += ParseResults([ "".join(tokenlist._asStringList(self.joinString)) ], modal=self.modalResults) + + if self.resultsName and retToks.haskeys(): + return [ retToks ] + else: + return retToks + +class Group(TokenConverter): + """Converter to return the matched tokens as a list - useful for + returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions. + + Example:: + + ident = Word(alphas) + num = Word(nums) + term = ident | num + func = ident + Optional(delimitedList(term)) + print(func.parseString("fn a,b,100")) # -> ['fn', 'a', 'b', '100'] + + func = ident + Group(Optional(delimitedList(term))) + print(func.parseString("fn a,b,100")) # -> ['fn', ['a', 'b', '100']] + """ + def __init__( self, expr ): + super(Group,self).__init__( expr ) + self.saveAsList = expr.saveAsList + + def postParse( self, instring, loc, tokenlist ): + return [ tokenlist ] + +class Dict(TokenConverter): + """Converter to return a repetitive expression as a list, but also + as a dictionary. Each element can also be referenced using the first + token in the expression as its key. Useful for tabular report + scraping when the first column can be used as a item key. + + Example:: + + data_word = Word(alphas) + label = data_word + FollowedBy(':') + attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) + + text = "shape: SQUARE posn: upper left color: light blue texture: burlap" + attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) + + # print attributes as plain groups + print(OneOrMore(attr_expr).parseString(text).dump()) + + # instead of OneOrMore(expr), parse using Dict(OneOrMore(Group(expr))) - Dict will auto-assign names + result = Dict(OneOrMore(Group(attr_expr))).parseString(text) + print(result.dump()) + + # access named fields as dict entries, or output as dict + print(result['shape']) + print(result.asDict()) + + prints:: + + ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap'] + [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] + - color: light blue + - posn: upper left + - shape: SQUARE + - texture: burlap + SQUARE + {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'} + + See more examples at :class:`ParseResults` of accessing fields by results name. + """ + def __init__( self, expr ): + super(Dict,self).__init__( expr ) + self.saveAsList = True + + def postParse( self, instring, loc, tokenlist ): + for i,tok in enumerate(tokenlist): + if len(tok) == 0: + continue + ikey = tok[0] + if isinstance(ikey,int): + ikey = _ustr(tok[0]).strip() + if len(tok)==1: + tokenlist[ikey] = _ParseResultsWithOffset("",i) + elif len(tok)==2 and not isinstance(tok[1],ParseResults): + tokenlist[ikey] = _ParseResultsWithOffset(tok[1],i) + else: + dictvalue = tok.copy() #ParseResults(i) + del dictvalue[0] + if len(dictvalue)!= 1 or (isinstance(dictvalue,ParseResults) and dictvalue.haskeys()): + tokenlist[ikey] = _ParseResultsWithOffset(dictvalue,i) + else: + tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0],i) + + if self.resultsName: + return [ tokenlist ] + else: + return tokenlist + + +class Suppress(TokenConverter): + """Converter for ignoring the results of a parsed expression. + + Example:: + + source = "a, b, c,d" + wd = Word(alphas) + wd_list1 = wd + ZeroOrMore(',' + wd) + print(wd_list1.parseString(source)) + + # often, delimiters that are useful during parsing are just in the + # way afterward - use Suppress to keep them out of the parsed output + wd_list2 = wd + ZeroOrMore(Suppress(',') + wd) + print(wd_list2.parseString(source)) + + prints:: + + ['a', ',', 'b', ',', 'c', ',', 'd'] + ['a', 'b', 'c', 'd'] + + (See also :class:`delimitedList`.) + """ + def postParse( self, instring, loc, tokenlist ): + return [] + + def suppress( self ): + return self + + +class OnlyOnce(object): + """Wrapper for parse actions, to ensure they are only called once. + """ + def __init__(self, methodCall): + self.callable = _trim_arity(methodCall) + self.called = False + def __call__(self,s,l,t): + if not self.called: + results = self.callable(s,l,t) + self.called = True + return results + raise ParseException(s,l,"") + def reset(self): + self.called = False + +def traceParseAction(f): + """Decorator for debugging parse actions. + + When the parse action is called, this decorator will print + ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``. + When the parse action completes, the decorator will print + ``"<<"`` followed by the returned value, or any exception that the parse action raised. + + Example:: + + wd = Word(alphas) + + @traceParseAction + def remove_duplicate_chars(tokens): + return ''.join(sorted(set(''.join(tokens)))) + + wds = OneOrMore(wd).setParseAction(remove_duplicate_chars) + print(wds.parseString("slkdjs sld sldd sdlf sdljf")) + + prints:: + + >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {})) + <<leaving remove_duplicate_chars (ret: 'dfjkls') + ['dfjkls'] + """ + f = _trim_arity(f) + def z(*paArgs): + thisFunc = f.__name__ + s,l,t = paArgs[-3:] + if len(paArgs)>3: + thisFunc = paArgs[0].__class__.__name__ + '.' + thisFunc + sys.stderr.write( ">>entering %s(line: '%s', %d, %r)\n" % (thisFunc,line(l,s),l,t) ) + try: + ret = f(*paArgs) + except Exception as exc: + sys.stderr.write( "<<leaving %s (exception: %s)\n" % (thisFunc,exc) ) + raise + sys.stderr.write( "<<leaving %s (ret: %r)\n" % (thisFunc,ret) ) + return ret + try: + z.__name__ = f.__name__ + except AttributeError: + pass + return z + +# +# global helpers +# +def delimitedList( expr, delim=",", combine=False ): + """Helper to define a delimited list of expressions - the delimiter + defaults to ','. By default, the list elements and delimiters can + have intervening whitespace, and comments, but this can be + overridden by passing ``combine=True`` in the constructor. If + ``combine`` is set to ``True``, the matching tokens are + returned as a single token string, with the delimiters included; + otherwise, the matching tokens are returned as a list of tokens, + with the delimiters suppressed. + + Example:: + + delimitedList(Word(alphas)).parseString("aa,bb,cc") # -> ['aa', 'bb', 'cc'] + delimitedList(Word(hexnums), delim=':', combine=True).parseString("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE'] + """ + dlName = _ustr(expr)+" ["+_ustr(delim)+" "+_ustr(expr)+"]..." + if combine: + return Combine( expr + ZeroOrMore( delim + expr ) ).setName(dlName) + else: + return ( expr + ZeroOrMore( Suppress( delim ) + expr ) ).setName(dlName) + +def countedArray( expr, intExpr=None ): + """Helper to define a counted list of expressions. + + This helper defines a pattern of the form:: + + integer expr expr expr... + + where the leading integer tells how many expr expressions follow. + The matched tokens returns the array of expr tokens as a list - the + leading count token is suppressed. + + If ``intExpr`` is specified, it should be a pyparsing expression + that produces an integer value. + + Example:: + + countedArray(Word(alphas)).parseString('2 ab cd ef') # -> ['ab', 'cd'] + + # in this parser, the leading integer value is given in binary, + # '10' indicating that 2 values are in the array + binaryConstant = Word('01').setParseAction(lambda t: int(t[0], 2)) + countedArray(Word(alphas), intExpr=binaryConstant).parseString('10 ab cd ef') # -> ['ab', 'cd'] + """ + arrayExpr = Forward() + def countFieldParseAction(s,l,t): + n = t[0] + arrayExpr << (n and Group(And([expr]*n)) or Group(empty)) + return [] + if intExpr is None: + intExpr = Word(nums).setParseAction(lambda t:int(t[0])) + else: + intExpr = intExpr.copy() + intExpr.setName("arrayLen") + intExpr.addParseAction(countFieldParseAction, callDuringTry=True) + return ( intExpr + arrayExpr ).setName('(len) ' + _ustr(expr) + '...') + +def _flatten(L): + ret = [] + for i in L: + if isinstance(i,list): + ret.extend(_flatten(i)) + else: + ret.append(i) + return ret + +def matchPreviousLiteral(expr): + """Helper to define an expression that is indirectly defined from + the tokens matched in a previous expression, that is, it looks for + a 'repeat' of a previous expression. For example:: + + first = Word(nums) + second = matchPreviousLiteral(first) + matchExpr = first + ":" + second + + will match ``"1:1"``, but not ``"1:2"``. Because this + matches a previous literal, will also match the leading + ``"1:1"`` in ``"1:10"``. If this is not desired, use + :class:`matchPreviousExpr`. Do *not* use with packrat parsing + enabled. + """ + rep = Forward() + def copyTokenToRepeater(s,l,t): + if t: + if len(t) == 1: + rep << t[0] + else: + # flatten t tokens + tflat = _flatten(t.asList()) + rep << And(Literal(tt) for tt in tflat) + else: + rep << Empty() + expr.addParseAction(copyTokenToRepeater, callDuringTry=True) + rep.setName('(prev) ' + _ustr(expr)) + return rep + +def matchPreviousExpr(expr): + """Helper to define an expression that is indirectly defined from + the tokens matched in a previous expression, that is, it looks for + a 'repeat' of a previous expression. For example:: + + first = Word(nums) + second = matchPreviousExpr(first) + matchExpr = first + ":" + second + + will match ``"1:1"``, but not ``"1:2"``. Because this + matches by expressions, will *not* match the leading ``"1:1"`` + in ``"1:10"``; the expressions are evaluated first, and then + compared, so ``"1"`` is compared with ``"10"``. Do *not* use + with packrat parsing enabled. + """ + rep = Forward() + e2 = expr.copy() + rep <<= e2 + def copyTokenToRepeater(s,l,t): + matchTokens = _flatten(t.asList()) + def mustMatchTheseTokens(s,l,t): + theseTokens = _flatten(t.asList()) + if theseTokens != matchTokens: + raise ParseException("",0,"") + rep.setParseAction( mustMatchTheseTokens, callDuringTry=True ) + expr.addParseAction(copyTokenToRepeater, callDuringTry=True) + rep.setName('(prev) ' + _ustr(expr)) + return rep + +def _escapeRegexRangeChars(s): + #~ escape these chars: ^-] + for c in r"\^-]": + s = s.replace(c,_bslash+c) + s = s.replace("\n",r"\n") + s = s.replace("\t",r"\t") + return _ustr(s) + +def oneOf( strs, caseless=False, useRegex=True ): + """Helper to quickly define a set of alternative Literals, and makes + sure to do longest-first testing when there is a conflict, + regardless of the input order, but returns + a :class:`MatchFirst` for best performance. + + Parameters: + + - strs - a string of space-delimited literals, or a collection of + string literals + - caseless - (default= ``False``) - treat all literals as + caseless + - useRegex - (default= ``True``) - as an optimization, will + generate a Regex object; otherwise, will generate + a :class:`MatchFirst` object (if ``caseless=True``, or if + creating a :class:`Regex` raises an exception) + + Example:: + + comp_oper = oneOf("< = > <= >= !=") + var = Word(alphas) + number = Word(nums) + term = var | number + comparison_expr = term + comp_oper + term + print(comparison_expr.searchString("B = 12 AA=23 B<=AA AA>12")) + + prints:: + + [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']] + """ + if caseless: + isequal = ( lambda a,b: a.upper() == b.upper() ) + masks = ( lambda a,b: b.upper().startswith(a.upper()) ) + parseElementClass = CaselessLiteral + else: + isequal = ( lambda a,b: a == b ) + masks = ( lambda a,b: b.startswith(a) ) + parseElementClass = Literal + + symbols = [] + if isinstance(strs,basestring): + symbols = strs.split() + elif isinstance(strs, Iterable): + symbols = list(strs) + else: + warnings.warn("Invalid argument to oneOf, expected string or iterable", + SyntaxWarning, stacklevel=2) + if not symbols: + return NoMatch() + + i = 0 + while i < len(symbols)-1: + cur = symbols[i] + for j,other in enumerate(symbols[i+1:]): + if ( isequal(other, cur) ): + del symbols[i+j+1] + break + elif ( masks(cur, other) ): + del symbols[i+j+1] + symbols.insert(i,other) + cur = other + break + else: + i += 1 + + if not caseless and useRegex: + #~ print (strs,"->", "|".join( [ _escapeRegexChars(sym) for sym in symbols] )) + try: + if len(symbols)==len("".join(symbols)): + return Regex( "[%s]" % "".join(_escapeRegexRangeChars(sym) for sym in symbols) ).setName(' | '.join(symbols)) + else: + return Regex( "|".join(re.escape(sym) for sym in symbols) ).setName(' | '.join(symbols)) + except Exception: + warnings.warn("Exception creating Regex for oneOf, building MatchFirst", + SyntaxWarning, stacklevel=2) + + + # last resort, just use MatchFirst + return MatchFirst(parseElementClass(sym) for sym in symbols).setName(' | '.join(symbols)) + +def dictOf( key, value ): + """Helper to easily and clearly define a dictionary by specifying + the respective patterns for the key and value. Takes care of + defining the :class:`Dict`, :class:`ZeroOrMore`, and + :class:`Group` tokens in the proper order. The key pattern + can include delimiting markers or punctuation, as long as they are + suppressed, thereby leaving the significant key text. The value + pattern can include named results, so that the :class:`Dict` results + can include named token fields. + + Example:: + + text = "shape: SQUARE posn: upper left color: light blue texture: burlap" + attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) + print(OneOrMore(attr_expr).parseString(text).dump()) + + attr_label = label + attr_value = Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join) + + # similar to Dict, but simpler call format + result = dictOf(attr_label, attr_value).parseString(text) + print(result.dump()) + print(result['shape']) + print(result.shape) # object attribute access works too + print(result.asDict()) + + prints:: + + [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] + - color: light blue + - posn: upper left + - shape: SQUARE + - texture: burlap + SQUARE + SQUARE + {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'} + """ + return Dict(OneOrMore(Group(key + value))) + +def originalTextFor(expr, asString=True): + """Helper to return the original, untokenized text for a given + expression. Useful to restore the parsed fields of an HTML start + tag into the raw tag text itself, or to revert separate tokens with + intervening whitespace back to the original matching input text. By + default, returns astring containing the original parsed text. + + If the optional ``asString`` argument is passed as + ``False``, then the return value is + a :class:`ParseResults` containing any results names that + were originally matched, and a single token containing the original + matched text from the input string. So if the expression passed to + :class:`originalTextFor` contains expressions with defined + results names, you must set ``asString`` to ``False`` if you + want to preserve those results name values. + + Example:: + + src = "this is test <b> bold <i>text</i> </b> normal text " + for tag in ("b","i"): + opener,closer = makeHTMLTags(tag) + patt = originalTextFor(opener + SkipTo(closer) + closer) + print(patt.searchString(src)[0]) + + prints:: + + ['<b> bold <i>text</i> </b>'] + ['<i>text</i>'] + """ + locMarker = Empty().setParseAction(lambda s,loc,t: loc) + endlocMarker = locMarker.copy() + endlocMarker.callPreparse = False + matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end") + if asString: + extractText = lambda s,l,t: s[t._original_start:t._original_end] + else: + def extractText(s,l,t): + t[:] = [s[t.pop('_original_start'):t.pop('_original_end')]] + matchExpr.setParseAction(extractText) + matchExpr.ignoreExprs = expr.ignoreExprs + return matchExpr + +def ungroup(expr): + """Helper to undo pyparsing's default grouping of And expressions, + even if all but one are non-empty. + """ + return TokenConverter(expr).setParseAction(lambda t:t[0]) + +def locatedExpr(expr): + """Helper to decorate a returned token with its starting and ending + locations in the input string. + + This helper adds the following results names: + + - locn_start = location where matched expression begins + - locn_end = location where matched expression ends + - value = the actual parsed results + + Be careful if the input text contains ``<TAB>`` characters, you + may want to call :class:`ParserElement.parseWithTabs` + + Example:: + + wd = Word(alphas) + for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"): + print(match) + + prints:: + + [[0, 'ljsdf', 5]] + [[8, 'lksdjjf', 15]] + [[18, 'lkkjj', 23]] + """ + locator = Empty().setParseAction(lambda s,l,t: l) + return Group(locator("locn_start") + expr("value") + locator.copy().leaveWhitespace()("locn_end")) + + +# convenience constants for positional expressions +empty = Empty().setName("empty") +lineStart = LineStart().setName("lineStart") +lineEnd = LineEnd().setName("lineEnd") +stringStart = StringStart().setName("stringStart") +stringEnd = StringEnd().setName("stringEnd") + +_escapedPunc = Word( _bslash, r"\[]-*.$+^?()~ ", exact=2 ).setParseAction(lambda s,l,t:t[0][1]) +_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").setParseAction(lambda s,l,t:unichr(int(t[0].lstrip(r'\0x'),16))) +_escapedOctChar = Regex(r"\\0[0-7]+").setParseAction(lambda s,l,t:unichr(int(t[0][1:],8))) +_singleChar = _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r'\]', exact=1) +_charRange = Group(_singleChar + Suppress("-") + _singleChar) +_reBracketExpr = Literal("[") + Optional("^").setResultsName("negate") + Group( OneOrMore( _charRange | _singleChar ) ).setResultsName("body") + "]" + +def srange(s): + r"""Helper to easily define string ranges for use in Word + construction. Borrows syntax from regexp '[]' string range + definitions:: + + srange("[0-9]") -> "0123456789" + srange("[a-z]") -> "abcdefghijklmnopqrstuvwxyz" + srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_" + + The input string must be enclosed in []'s, and the returned string + is the expanded character set joined into a single string. The + values enclosed in the []'s may be: + + - a single character + - an escaped character with a leading backslash (such as ``\-`` + or ``\]``) + - an escaped hex character with a leading ``'\x'`` + (``\x21``, which is a ``'!'`` character) (``\0x##`` + is also supported for backwards compatibility) + - an escaped octal character with a leading ``'\0'`` + (``\041``, which is a ``'!'`` character) + - a range of any of the above, separated by a dash (``'a-z'``, + etc.) + - any combination of the above (``'aeiouy'``, + ``'a-zA-Z0-9_$'``, etc.) + """ + _expanded = lambda p: p if not isinstance(p,ParseResults) else ''.join(unichr(c) for c in range(ord(p[0]),ord(p[1])+1)) + try: + return "".join(_expanded(part) for part in _reBracketExpr.parseString(s).body) + except Exception: + return "" + +def matchOnlyAtCol(n): + """Helper method for defining parse actions that require matching at + a specific column in the input text. + """ + def verifyCol(strg,locn,toks): + if col(locn,strg) != n: + raise ParseException(strg,locn,"matched token not at column %d" % n) + return verifyCol + +def replaceWith(replStr): + """Helper method for common parse actions that simply return + a literal value. Especially useful when used with + :class:`transformString<ParserElement.transformString>` (). + + Example:: + + num = Word(nums).setParseAction(lambda toks: int(toks[0])) + na = oneOf("N/A NA").setParseAction(replaceWith(math.nan)) + term = na | num + + OneOrMore(term).parseString("324 234 N/A 234") # -> [324, 234, nan, 234] + """ + return lambda s,l,t: [replStr] + +def removeQuotes(s,l,t): + """Helper parse action for removing quotation marks from parsed + quoted strings. + + Example:: + + # by default, quotation marks are included in parsed results + quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"] + + # use removeQuotes to strip quotation marks from parsed results + quotedString.setParseAction(removeQuotes) + quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"] + """ + return t[0][1:-1] + +def tokenMap(func, *args): + """Helper to define a parse action by mapping a function to all + elements of a ParseResults list. If any additional args are passed, + they are forwarded to the given function as additional arguments + after the token, as in + ``hex_integer = Word(hexnums).setParseAction(tokenMap(int, 16))``, + which will convert the parsed data to an integer using base 16. + + Example (compare the last to example in :class:`ParserElement.transformString`:: + + hex_ints = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16)) + hex_ints.runTests(''' + 00 11 22 aa FF 0a 0d 1a + ''') + + upperword = Word(alphas).setParseAction(tokenMap(str.upper)) + OneOrMore(upperword).runTests(''' + my kingdom for a horse + ''') + + wd = Word(alphas).setParseAction(tokenMap(str.title)) + OneOrMore(wd).setParseAction(' '.join).runTests(''' + now is the winter of our discontent made glorious summer by this sun of york + ''') + + prints:: + + 00 11 22 aa FF 0a 0d 1a + [0, 17, 34, 170, 255, 10, 13, 26] + + my kingdom for a horse + ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE'] + + now is the winter of our discontent made glorious summer by this sun of york + ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York'] + """ + def pa(s,l,t): + return [func(tokn, *args) for tokn in t] + + try: + func_name = getattr(func, '__name__', + getattr(func, '__class__').__name__) + except Exception: + func_name = str(func) + pa.__name__ = func_name + + return pa + +upcaseTokens = tokenMap(lambda t: _ustr(t).upper()) +"""(Deprecated) Helper parse action to convert tokens to upper case. +Deprecated in favor of :class:`pyparsing_common.upcaseTokens`""" + +downcaseTokens = tokenMap(lambda t: _ustr(t).lower()) +"""(Deprecated) Helper parse action to convert tokens to lower case. +Deprecated in favor of :class:`pyparsing_common.downcaseTokens`""" + +def _makeTags(tagStr, xml): + """Internal helper to construct opening and closing tag expressions, given a tag name""" + if isinstance(tagStr,basestring): + resname = tagStr + tagStr = Keyword(tagStr, caseless=not xml) + else: + resname = tagStr.name + + tagAttrName = Word(alphas,alphanums+"_-:") + if (xml): + tagAttrValue = dblQuotedString.copy().setParseAction( removeQuotes ) + openTag = Suppress("<") + tagStr("tag") + \ + Dict(ZeroOrMore(Group( tagAttrName + Suppress("=") + tagAttrValue ))) + \ + Optional("/",default=[False]).setResultsName("empty").setParseAction(lambda s,l,t:t[0]=='/') + Suppress(">") + else: + printablesLessRAbrack = "".join(c for c in printables if c not in ">") + tagAttrValue = quotedString.copy().setParseAction( removeQuotes ) | Word(printablesLessRAbrack) + openTag = Suppress("<") + tagStr("tag") + \ + Dict(ZeroOrMore(Group( tagAttrName.setParseAction(downcaseTokens) + \ + Optional( Suppress("=") + tagAttrValue ) ))) + \ + Optional("/",default=[False]).setResultsName("empty").setParseAction(lambda s,l,t:t[0]=='/') + Suppress(">") + closeTag = Combine(_L("</") + tagStr + ">") + + openTag = openTag.setResultsName("start"+"".join(resname.replace(":"," ").title().split())).setName("<%s>" % resname) + closeTag = closeTag.setResultsName("end"+"".join(resname.replace(":"," ").title().split())).setName("</%s>" % resname) + openTag.tag = resname + closeTag.tag = resname + return openTag, closeTag + +def makeHTMLTags(tagStr): + """Helper to construct opening and closing tag expressions for HTML, + given a tag name. Matches tags in either upper or lower case, + attributes with namespaces and with quoted or unquoted values. + + Example:: + + text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' + # makeHTMLTags returns pyparsing expressions for the opening and + # closing tags as a 2-tuple + a,a_end = makeHTMLTags("A") + link_expr = a + SkipTo(a_end)("link_text") + a_end + + for link in link_expr.searchString(text): + # attributes in the <A> tag (like "href" shown here) are + # also accessible as named results + print(link.link_text, '->', link.href) + + prints:: + + pyparsing -> https://github.com/pyparsing/pyparsing/wiki + """ + return _makeTags( tagStr, False ) + +def makeXMLTags(tagStr): + """Helper to construct opening and closing tag expressions for XML, + given a tag name. Matches tags only in the given upper/lower case. + + Example: similar to :class:`makeHTMLTags` + """ + return _makeTags( tagStr, True ) + +def withAttribute(*args,**attrDict): + """Helper to create a validating parse action to be used with start + tags created with :class:`makeXMLTags` or + :class:`makeHTMLTags`. Use ``withAttribute`` to qualify + a starting tag with a required attribute value, to avoid false + matches on common tags such as ``<TD>`` or ``<DIV>``. + + Call ``withAttribute`` with a series of attribute names and + values. Specify the list of filter attributes names and values as: + + - keyword arguments, as in ``(align="right")``, or + - as an explicit dict with ``**`` operator, when an attribute + name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}`` + - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align","right"))`` + + For attribute names with a namespace prefix, you must use the second + form. Attribute names are matched insensitive to upper/lower case. + + If just testing for ``class`` (with or without a namespace), use + :class:`withClass`. + + To verify that the attribute exists, but without specifying a value, + pass ``withAttribute.ANY_VALUE`` as the value. + + Example:: + + html = ''' + <div> + Some text + <div type="grid">1 4 0 1 0</div> + <div type="graph">1,3 2,3 1,1</div> + <div>this has no type</div> + </div> + + ''' + div,div_end = makeHTMLTags("div") + + # only match div tag having a type attribute with value "grid" + div_grid = div().setParseAction(withAttribute(type="grid")) + grid_expr = div_grid + SkipTo(div | div_end)("body") + for grid_header in grid_expr.searchString(html): + print(grid_header.body) + + # construct a match with any div tag having a type attribute, regardless of the value + div_any_type = div().setParseAction(withAttribute(type=withAttribute.ANY_VALUE)) + div_expr = div_any_type + SkipTo(div | div_end)("body") + for div_header in div_expr.searchString(html): + print(div_header.body) + + prints:: + + 1 4 0 1 0 + + 1 4 0 1 0 + 1,3 2,3 1,1 + """ + if args: + attrs = args[:] + else: + attrs = attrDict.items() + attrs = [(k,v) for k,v in attrs] + def pa(s,l,tokens): + for attrName,attrValue in attrs: + if attrName not in tokens: + raise ParseException(s,l,"no matching attribute " + attrName) + if attrValue != withAttribute.ANY_VALUE and tokens[attrName] != attrValue: + raise ParseException(s,l,"attribute '%s' has value '%s', must be '%s'" % + (attrName, tokens[attrName], attrValue)) + return pa +withAttribute.ANY_VALUE = object() + +def withClass(classname, namespace=''): + """Simplified version of :class:`withAttribute` when + matching on a div class - made difficult because ``class`` is + a reserved word in Python. + + Example:: + + html = ''' + <div> + Some text + <div class="grid">1 4 0 1 0</div> + <div class="graph">1,3 2,3 1,1</div> + <div>this <div> has no class</div> + </div> + + ''' + div,div_end = makeHTMLTags("div") + div_grid = div().setParseAction(withClass("grid")) + + grid_expr = div_grid + SkipTo(div | div_end)("body") + for grid_header in grid_expr.searchString(html): + print(grid_header.body) + + div_any_type = div().setParseAction(withClass(withAttribute.ANY_VALUE)) + div_expr = div_any_type + SkipTo(div | div_end)("body") + for div_header in div_expr.searchString(html): + print(div_header.body) + + prints:: + + 1 4 0 1 0 + + 1 4 0 1 0 + 1,3 2,3 1,1 + """ + classattr = "%s:class" % namespace if namespace else "class" + return withAttribute(**{classattr : classname}) + +opAssoc = SimpleNamespace() +opAssoc.LEFT = object() +opAssoc.RIGHT = object() + +def infixNotation( baseExpr, opList, lpar=Suppress('('), rpar=Suppress(')') ): + """Helper method for constructing grammars of expressions made up of + operators working in a precedence hierarchy. Operators may be unary + or binary, left- or right-associative. Parse actions can also be + attached to operator expressions. The generated parser will also + recognize the use of parentheses to override operator precedences + (see example below). + + Note: if you define a deep operator list, you may see performance + issues when using infixNotation. See + :class:`ParserElement.enablePackrat` for a mechanism to potentially + improve your parser performance. + + Parameters: + - baseExpr - expression representing the most basic element for the + nested + - opList - list of tuples, one for each operator precedence level + in the expression grammar; each tuple is of the form ``(opExpr, + numTerms, rightLeftAssoc, parseAction)``, where: + + - opExpr is the pyparsing expression for the operator; may also + be a string, which will be converted to a Literal; if numTerms + is 3, opExpr is a tuple of two expressions, for the two + operators separating the 3 terms + - numTerms is the number of terms for this operator (must be 1, + 2, or 3) + - rightLeftAssoc is the indicator whether the operator is right + or left associative, using the pyparsing-defined constants + ``opAssoc.RIGHT`` and ``opAssoc.LEFT``. + - parseAction is the parse action to be associated with + expressions matching this operator expression (the parse action + tuple member may be omitted); if the parse action is passed + a tuple or list of functions, this is equivalent to calling + ``setParseAction(*fn)`` + (:class:`ParserElement.setParseAction`) + - lpar - expression for matching left-parentheses + (default= ``Suppress('(')``) + - rpar - expression for matching right-parentheses + (default= ``Suppress(')')``) + + Example:: + + # simple example of four-function arithmetic with ints and + # variable names + integer = pyparsing_common.signed_integer + varname = pyparsing_common.identifier + + arith_expr = infixNotation(integer | varname, + [ + ('-', 1, opAssoc.RIGHT), + (oneOf('* /'), 2, opAssoc.LEFT), + (oneOf('+ -'), 2, opAssoc.LEFT), + ]) + + arith_expr.runTests(''' + 5+3*6 + (5+3)*6 + -2--11 + ''', fullDump=False) + + prints:: + + 5+3*6 + [[5, '+', [3, '*', 6]]] + + (5+3)*6 + [[[5, '+', 3], '*', 6]] + + -2--11 + [[['-', 2], '-', ['-', 11]]] + """ + # captive version of FollowedBy that does not do parse actions or capture results names + class _FB(FollowedBy): + def parseImpl(self, instring, loc, doActions=True): + self.expr.tryParse(instring, loc) + return loc, [] + + ret = Forward() + lastExpr = baseExpr | ( lpar + ret + rpar ) + for i,operDef in enumerate(opList): + opExpr,arity,rightLeftAssoc,pa = (operDef + (None,))[:4] + termName = "%s term" % opExpr if arity < 3 else "%s%s term" % opExpr + if arity == 3: + if opExpr is None or len(opExpr) != 2: + raise ValueError( + "if numterms=3, opExpr must be a tuple or list of two expressions") + opExpr1, opExpr2 = opExpr + thisExpr = Forward().setName(termName) + if rightLeftAssoc == opAssoc.LEFT: + if arity == 1: + matchExpr = _FB(lastExpr + opExpr) + Group( lastExpr + OneOrMore( opExpr ) ) + elif arity == 2: + if opExpr is not None: + matchExpr = _FB(lastExpr + opExpr + lastExpr) + Group( lastExpr + OneOrMore( opExpr + lastExpr ) ) + else: + matchExpr = _FB(lastExpr+lastExpr) + Group( lastExpr + OneOrMore(lastExpr) ) + elif arity == 3: + matchExpr = _FB(lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr) + \ + Group( lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr ) + else: + raise ValueError("operator must be unary (1), binary (2), or ternary (3)") + elif rightLeftAssoc == opAssoc.RIGHT: + if arity == 1: + # try to avoid LR with this extra test + if not isinstance(opExpr, Optional): + opExpr = Optional(opExpr) + matchExpr = _FB(opExpr.expr + thisExpr) + Group( opExpr + thisExpr ) + elif arity == 2: + if opExpr is not None: + matchExpr = _FB(lastExpr + opExpr + thisExpr) + Group( lastExpr + OneOrMore( opExpr + thisExpr ) ) + else: + matchExpr = _FB(lastExpr + thisExpr) + Group( lastExpr + OneOrMore( thisExpr ) ) + elif arity == 3: + matchExpr = _FB(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr) + \ + Group( lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr ) + else: + raise ValueError("operator must be unary (1), binary (2), or ternary (3)") + else: + raise ValueError("operator must indicate right or left associativity") + if pa: + if isinstance(pa, (tuple, list)): + matchExpr.setParseAction(*pa) + else: + matchExpr.setParseAction(pa) + thisExpr <<= ( matchExpr.setName(termName) | lastExpr ) + lastExpr = thisExpr + ret <<= lastExpr + return ret + +operatorPrecedence = infixNotation +"""(Deprecated) Former name of :class:`infixNotation`, will be +dropped in a future release.""" + +dblQuotedString = Combine(Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*')+'"').setName("string enclosed in double quotes") +sglQuotedString = Combine(Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*")+"'").setName("string enclosed in single quotes") +quotedString = Combine(Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*')+'"'| + Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*")+"'").setName("quotedString using single or double quotes") +unicodeString = Combine(_L('u') + quotedString.copy()).setName("unicode string literal") + +def nestedExpr(opener="(", closer=")", content=None, ignoreExpr=quotedString.copy()): + """Helper method for defining nested lists enclosed in opening and + closing delimiters ("(" and ")" are the default). + + Parameters: + - opener - opening character for a nested list + (default= ``"("``); can also be a pyparsing expression + - closer - closing character for a nested list + (default= ``")"``); can also be a pyparsing expression + - content - expression for items within the nested lists + (default= ``None``) + - ignoreExpr - expression for ignoring opening and closing + delimiters (default= :class:`quotedString`) + + If an expression is not provided for the content argument, the + nested expression will capture all whitespace-delimited content + between delimiters as a list of separate values. + + Use the ``ignoreExpr`` argument to define expressions that may + contain opening or closing characters that should not be treated as + opening or closing characters for nesting, such as quotedString or + a comment expression. Specify multiple expressions using an + :class:`Or` or :class:`MatchFirst`. The default is + :class:`quotedString`, but if no expressions are to be ignored, then + pass ``None`` for this argument. + + Example:: + + data_type = oneOf("void int short long char float double") + decl_data_type = Combine(data_type + Optional(Word('*'))) + ident = Word(alphas+'_', alphanums+'_') + number = pyparsing_common.number + arg = Group(decl_data_type + ident) + LPAR,RPAR = map(Suppress, "()") + + code_body = nestedExpr('{', '}', ignoreExpr=(quotedString | cStyleComment)) + + c_function = (decl_data_type("type") + + ident("name") + + LPAR + Optional(delimitedList(arg), [])("args") + RPAR + + code_body("body")) + c_function.ignore(cStyleComment) + + source_code = ''' + int is_odd(int x) { + return (x%2); + } + + int dec_to_hex(char hchar) { + if (hchar >= '0' && hchar <= '9') { + return (ord(hchar)-ord('0')); + } else { + return (10+ord(hchar)-ord('A')); + } + } + ''' + for func in c_function.searchString(source_code): + print("%(name)s (%(type)s) args: %(args)s" % func) + + + prints:: + + is_odd (int) args: [['int', 'x']] + dec_to_hex (int) args: [['char', 'hchar']] + """ + if opener == closer: + raise ValueError("opening and closing strings cannot be the same") + if content is None: + if isinstance(opener,basestring) and isinstance(closer,basestring): + if len(opener) == 1 and len(closer)==1: + if ignoreExpr is not None: + content = (Combine(OneOrMore(~ignoreExpr + + CharsNotIn(opener+closer+ParserElement.DEFAULT_WHITE_CHARS,exact=1)) + ).setParseAction(lambda t:t[0].strip())) + else: + content = (empty.copy()+CharsNotIn(opener+closer+ParserElement.DEFAULT_WHITE_CHARS + ).setParseAction(lambda t:t[0].strip())) + else: + if ignoreExpr is not None: + content = (Combine(OneOrMore(~ignoreExpr + + ~Literal(opener) + ~Literal(closer) + + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS,exact=1)) + ).setParseAction(lambda t:t[0].strip())) + else: + content = (Combine(OneOrMore(~Literal(opener) + ~Literal(closer) + + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS,exact=1)) + ).setParseAction(lambda t:t[0].strip())) + else: + raise ValueError("opening and closing arguments must be strings if no content expression is given") + ret = Forward() + if ignoreExpr is not None: + ret <<= Group( Suppress(opener) + ZeroOrMore( ignoreExpr | ret | content ) + Suppress(closer) ) + else: + ret <<= Group( Suppress(opener) + ZeroOrMore( ret | content ) + Suppress(closer) ) + ret.setName('nested %s%s expression' % (opener,closer)) + return ret + +def indentedBlock(blockStatementExpr, indentStack, indent=True): + """Helper method for defining space-delimited indentation blocks, + such as those used to define block statements in Python source code. + + Parameters: + + - blockStatementExpr - expression defining syntax of statement that + is repeated within the indented block + - indentStack - list created by caller to manage indentation stack + (multiple statementWithIndentedBlock expressions within a single + grammar should share a common indentStack) + - indent - boolean indicating whether block must be indented beyond + the the current level; set to False for block of left-most + statements (default= ``True``) + + A valid block must contain at least one ``blockStatement``. + + Example:: + + data = ''' + def A(z): + A1 + B = 100 + G = A2 + A2 + A3 + B + def BB(a,b,c): + BB1 + def BBA(): + bba1 + bba2 + bba3 + C + D + def spam(x,y): + def eggs(z): + pass + ''' + + + indentStack = [1] + stmt = Forward() + + identifier = Word(alphas, alphanums) + funcDecl = ("def" + identifier + Group( "(" + Optional( delimitedList(identifier) ) + ")" ) + ":") + func_body = indentedBlock(stmt, indentStack) + funcDef = Group( funcDecl + func_body ) + + rvalue = Forward() + funcCall = Group(identifier + "(" + Optional(delimitedList(rvalue)) + ")") + rvalue << (funcCall | identifier | Word(nums)) + assignment = Group(identifier + "=" + rvalue) + stmt << ( funcDef | assignment | identifier ) + + module_body = OneOrMore(stmt) + + parseTree = module_body.parseString(data) + parseTree.pprint() + + prints:: + + [['def', + 'A', + ['(', 'z', ')'], + ':', + [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]], + 'B', + ['def', + 'BB', + ['(', 'a', 'b', 'c', ')'], + ':', + [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]], + 'C', + 'D', + ['def', + 'spam', + ['(', 'x', 'y', ')'], + ':', + [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]] + """ + def checkPeerIndent(s,l,t): + if l >= len(s): return + curCol = col(l,s) + if curCol != indentStack[-1]: + if curCol > indentStack[-1]: + raise ParseFatalException(s,l,"illegal nesting") + raise ParseException(s,l,"not a peer entry") + + def checkSubIndent(s,l,t): + curCol = col(l,s) + if curCol > indentStack[-1]: + indentStack.append( curCol ) + else: + raise ParseException(s,l,"not a subentry") + + def checkUnindent(s,l,t): + if l >= len(s): return + curCol = col(l,s) + if not(indentStack and curCol < indentStack[-1] and curCol <= indentStack[-2]): + raise ParseException(s,l,"not an unindent") + indentStack.pop() + + NL = OneOrMore(LineEnd().setWhitespaceChars("\t ").suppress()) + INDENT = (Empty() + Empty().setParseAction(checkSubIndent)).setName('INDENT') + PEER = Empty().setParseAction(checkPeerIndent).setName('') + UNDENT = Empty().setParseAction(checkUnindent).setName('UNINDENT') + if indent: + smExpr = Group( Optional(NL) + + #~ FollowedBy(blockStatementExpr) + + INDENT + (OneOrMore( PEER + Group(blockStatementExpr) + Optional(NL) )) + UNDENT) + else: + smExpr = Group( Optional(NL) + + (OneOrMore( PEER + Group(blockStatementExpr) + Optional(NL) )) ) + blockStatementExpr.ignore(_bslash + LineEnd()) + return smExpr.setName('indented block') + +alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]") +punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]") + +anyOpenTag,anyCloseTag = makeHTMLTags(Word(alphas,alphanums+"_:").setName('any tag')) +_htmlEntityMap = dict(zip("gt lt amp nbsp quot apos".split(),'><& "\'')) +commonHTMLEntity = Regex('&(?P<entity>' + '|'.join(_htmlEntityMap.keys()) +");").setName("common HTML entity") +def replaceHTMLEntity(t): + """Helper parser action to replace common HTML entities with their special characters""" + return _htmlEntityMap.get(t.entity) + +# it's easy to get these comment structures wrong - they're very common, so may as well make them available +cStyleComment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + '*/').setName("C style comment") +"Comment of the form ``/* ... */``" + +htmlComment = Regex(r"<!--[\s\S]*?-->").setName("HTML comment") +"Comment of the form ``<!-- ... -->``" + +restOfLine = Regex(r".*").leaveWhitespace().setName("rest of line") +dblSlashComment = Regex(r"//(?:\\\n|[^\n])*").setName("// comment") +"Comment of the form ``// ... (to end of line)``" + +cppStyleComment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + '*/'| dblSlashComment).setName("C++ style comment") +"Comment of either form :class:`cStyleComment` or :class:`dblSlashComment`" + +javaStyleComment = cppStyleComment +"Same as :class:`cppStyleComment`" + +pythonStyleComment = Regex(r"#.*").setName("Python style comment") +"Comment of the form ``# ... (to end of line)``" + +_commasepitem = Combine(OneOrMore(Word(printables, excludeChars=',') + + Optional( Word(" \t") + + ~Literal(",") + ~LineEnd() ) ) ).streamline().setName("commaItem") +commaSeparatedList = delimitedList( Optional( quotedString.copy() | _commasepitem, default="") ).setName("commaSeparatedList") +"""(Deprecated) Predefined expression of 1 or more printable words or +quoted strings, separated by commas. + +This expression is deprecated in favor of :class:`pyparsing_common.comma_separated_list`. +""" + +# some other useful expressions - using lower-case class name since we are really using this as a namespace +class pyparsing_common: + """Here are some common low-level expressions that may be useful in + jump-starting parser development: + + - numeric forms (:class:`integers<integer>`, :class:`reals<real>`, + :class:`scientific notation<sci_real>`) + - common :class:`programming identifiers<identifier>` + - network addresses (:class:`MAC<mac_address>`, + :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`) + - ISO8601 :class:`dates<iso8601_date>` and + :class:`datetime<iso8601_datetime>` + - :class:`UUID<uuid>` + - :class:`comma-separated list<comma_separated_list>` + + Parse actions: + + - :class:`convertToInteger` + - :class:`convertToFloat` + - :class:`convertToDate` + - :class:`convertToDatetime` + - :class:`stripHTMLTags` + - :class:`upcaseTokens` + - :class:`downcaseTokens` + + Example:: + + pyparsing_common.number.runTests(''' + # any int or real number, returned as the appropriate type + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + ''') + + pyparsing_common.fnumber.runTests(''' + # any int or real number, returned as float + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + ''') + + pyparsing_common.hex_integer.runTests(''' + # hex numbers + 100 + FF + ''') + + pyparsing_common.fraction.runTests(''' + # fractions + 1/2 + -3/4 + ''') + + pyparsing_common.mixed_integer.runTests(''' + # mixed fractions + 1 + 1/2 + -3/4 + 1-3/4 + ''') + + import uuid + pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID)) + pyparsing_common.uuid.runTests(''' + # uuid + 12345678-1234-5678-1234-567812345678 + ''') + + prints:: + + # any int or real number, returned as the appropriate type + 100 + [100] + + -100 + [-100] + + +100 + [100] + + 3.14159 + [3.14159] + + 6.02e23 + [6.02e+23] + + 1e-12 + [1e-12] + + # any int or real number, returned as float + 100 + [100.0] + + -100 + [-100.0] + + +100 + [100.0] + + 3.14159 + [3.14159] + + 6.02e23 + [6.02e+23] + + 1e-12 + [1e-12] + + # hex numbers + 100 + [256] + + FF + [255] + + # fractions + 1/2 + [0.5] + + -3/4 + [-0.75] + + # mixed fractions + 1 + [1] + + 1/2 + [0.5] + + -3/4 + [-0.75] + + 1-3/4 + [1.75] + + # uuid + 12345678-1234-5678-1234-567812345678 + [UUID('12345678-1234-5678-1234-567812345678')] + """ + + convertToInteger = tokenMap(int) + """ + Parse action for converting parsed integers to Python int + """ + + convertToFloat = tokenMap(float) + """ + Parse action for converting parsed numbers to Python float + """ + + integer = Word(nums).setName("integer").setParseAction(convertToInteger) + """expression that parses an unsigned integer, returns an int""" + + hex_integer = Word(hexnums).setName("hex integer").setParseAction(tokenMap(int,16)) + """expression that parses a hexadecimal integer, returns an int""" + + signed_integer = Regex(r'[+-]?\d+').setName("signed integer").setParseAction(convertToInteger) + """expression that parses an integer with optional leading sign, returns an int""" + + fraction = (signed_integer().setParseAction(convertToFloat) + '/' + signed_integer().setParseAction(convertToFloat)).setName("fraction") + """fractional expression of an integer divided by an integer, returns a float""" + fraction.addParseAction(lambda t: t[0]/t[-1]) + + mixed_integer = (fraction | signed_integer + Optional(Optional('-').suppress() + fraction)).setName("fraction or mixed integer-fraction") + """mixed integer of the form 'integer - fraction', with optional leading integer, returns float""" + mixed_integer.addParseAction(sum) + + real = Regex(r'[+-]?\d+\.\d*').setName("real number").setParseAction(convertToFloat) + """expression that parses a floating point number and returns a float""" + + sci_real = Regex(r'[+-]?\d+([eE][+-]?\d+|\.\d*([eE][+-]?\d+)?)').setName("real number with scientific notation").setParseAction(convertToFloat) + """expression that parses a floating point number with optional + scientific notation and returns a float""" + + # streamlining this expression makes the docs nicer-looking + number = (sci_real | real | signed_integer).streamline() + """any numeric expression, returns the corresponding Python type""" + + fnumber = Regex(r'[+-]?\d+\.?\d*([eE][+-]?\d+)?').setName("fnumber").setParseAction(convertToFloat) + """any int or real number, returned as float""" + + identifier = Word(alphas+'_', alphanums+'_').setName("identifier") + """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')""" + + ipv4_address = Regex(r'(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}').setName("IPv4 address") + "IPv4 address (``0.0.0.0 - 255.255.255.255``)" + + _ipv6_part = Regex(r'[0-9a-fA-F]{1,4}').setName("hex_integer") + _full_ipv6_address = (_ipv6_part + (':' + _ipv6_part)*7).setName("full IPv6 address") + _short_ipv6_address = (Optional(_ipv6_part + (':' + _ipv6_part)*(0,6)) + "::" + Optional(_ipv6_part + (':' + _ipv6_part)*(0,6))).setName("short IPv6 address") + _short_ipv6_address.addCondition(lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8) + _mixed_ipv6_address = ("::ffff:" + ipv4_address).setName("mixed IPv6 address") + ipv6_address = Combine((_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).setName("IPv6 address")).setName("IPv6 address") + "IPv6 address (long, short, or mixed form)" + + mac_address = Regex(r'[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}').setName("MAC address") + "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)" + + @staticmethod + def convertToDate(fmt="%Y-%m-%d"): + """ + Helper to create a parse action for converting parsed date string to Python datetime.date + + Params - + - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``) + + Example:: + + date_expr = pyparsing_common.iso8601_date.copy() + date_expr.setParseAction(pyparsing_common.convertToDate()) + print(date_expr.parseString("1999-12-31")) + + prints:: + + [datetime.date(1999, 12, 31)] + """ + def cvt_fn(s,l,t): + try: + return datetime.strptime(t[0], fmt).date() + except ValueError as ve: + raise ParseException(s, l, str(ve)) + return cvt_fn + + @staticmethod + def convertToDatetime(fmt="%Y-%m-%dT%H:%M:%S.%f"): + """Helper to create a parse action for converting parsed + datetime string to Python datetime.datetime + + Params - + - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``) + + Example:: + + dt_expr = pyparsing_common.iso8601_datetime.copy() + dt_expr.setParseAction(pyparsing_common.convertToDatetime()) + print(dt_expr.parseString("1999-12-31T23:59:59.999")) + + prints:: + + [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)] + """ + def cvt_fn(s,l,t): + try: + return datetime.strptime(t[0], fmt) + except ValueError as ve: + raise ParseException(s, l, str(ve)) + return cvt_fn + + iso8601_date = Regex(r'(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?').setName("ISO8601 date") + "ISO8601 date (``yyyy-mm-dd``)" + + iso8601_datetime = Regex(r'(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?').setName("ISO8601 datetime") + "ISO8601 datetime (``yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)``) - trailing seconds, milliseconds, and timezone optional; accepts separating ``'T'`` or ``' '``" + + uuid = Regex(r'[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}').setName("UUID") + "UUID (``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx``)" + + _html_stripper = anyOpenTag.suppress() | anyCloseTag.suppress() + @staticmethod + def stripHTMLTags(s, l, tokens): + """Parse action to remove HTML tags from web page HTML source + + Example:: + + # strip HTML links from normal text + text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' + td,td_end = makeHTMLTags("TD") + table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end + print(table_text.parseString(text).body) + + Prints:: + + More info at the pyparsing wiki page + """ + return pyparsing_common._html_stripper.transformString(tokens[0]) + + _commasepitem = Combine(OneOrMore(~Literal(",") + ~LineEnd() + Word(printables, excludeChars=',') + + Optional( White(" \t") ) ) ).streamline().setName("commaItem") + comma_separated_list = delimitedList( Optional( quotedString.copy() | _commasepitem, default="") ).setName("comma separated list") + """Predefined expression of 1 or more printable words or quoted strings, separated by commas.""" + + upcaseTokens = staticmethod(tokenMap(lambda t: _ustr(t).upper())) + """Parse action to convert tokens to upper case.""" + + downcaseTokens = staticmethod(tokenMap(lambda t: _ustr(t).lower())) + """Parse action to convert tokens to lower case.""" + + +class _lazyclassproperty(object): + def __init__(self, fn): + self.fn = fn + self.__doc__ = fn.__doc__ + self.__name__ = fn.__name__ + + def __get__(self, obj, cls): + if cls is None: + cls = type(obj) + if not hasattr(cls, '_intern') or any(cls._intern is getattr(superclass, '_intern', []) for superclass in cls.__mro__[1:]): + cls._intern = {} + attrname = self.fn.__name__ + if attrname not in cls._intern: + cls._intern[attrname] = self.fn(cls) + return cls._intern[attrname] + + +class unicode_set(object): + """ + A set of Unicode characters, for language-specific strings for + ``alphas``, ``nums``, ``alphanums``, and ``printables``. + A unicode_set is defined by a list of ranges in the Unicode character + set, in a class attribute ``_ranges``, such as:: + + _ranges = [(0x0020, 0x007e), (0x00a0, 0x00ff),] + + A unicode set can also be defined using multiple inheritance of other unicode sets:: + + class CJK(Chinese, Japanese, Korean): + pass + """ + _ranges = [] + + @classmethod + def _get_chars_for_ranges(cls): + ret = [] + for cc in cls.__mro__: + if cc is unicode_set: + break + for rr in cc._ranges: + ret.extend(range(rr[0], rr[-1]+1)) + return [unichr(c) for c in sorted(set(ret))] + + @_lazyclassproperty + def printables(cls): + "all non-whitespace characters in this range" + return u''.join(filterfalse(unicode.isspace, cls._get_chars_for_ranges())) + + @_lazyclassproperty + def alphas(cls): + "all alphabetic characters in this range" + return u''.join(filter(unicode.isalpha, cls._get_chars_for_ranges())) + + @_lazyclassproperty + def nums(cls): + "all numeric digit characters in this range" + return u''.join(filter(unicode.isdigit, cls._get_chars_for_ranges())) + + @_lazyclassproperty + def alphanums(cls): + "all alphanumeric characters in this range" + return cls.alphas + cls.nums + + +class pyparsing_unicode(unicode_set): + """ + A namespace class for defining common language unicode_sets. + """ + _ranges = [(32, sys.maxunicode)] + + class Latin1(unicode_set): + "Unicode set for Latin-1 Unicode Character Range" + _ranges = [(0x0020, 0x007e), (0x00a0, 0x00ff),] + + class LatinA(unicode_set): + "Unicode set for Latin-A Unicode Character Range" + _ranges = [(0x0100, 0x017f),] + + class LatinB(unicode_set): + "Unicode set for Latin-B Unicode Character Range" + _ranges = [(0x0180, 0x024f),] + + class Greek(unicode_set): + "Unicode set for Greek Unicode Character Ranges" + _ranges = [ + (0x0370, 0x03ff), (0x1f00, 0x1f15), (0x1f18, 0x1f1d), (0x1f20, 0x1f45), (0x1f48, 0x1f4d), + (0x1f50, 0x1f57), (0x1f59,), (0x1f5b,), (0x1f5d,), (0x1f5f, 0x1f7d), (0x1f80, 0x1fb4), (0x1fb6, 0x1fc4), + (0x1fc6, 0x1fd3), (0x1fd6, 0x1fdb), (0x1fdd, 0x1fef), (0x1ff2, 0x1ff4), (0x1ff6, 0x1ffe), + ] + + class Cyrillic(unicode_set): + "Unicode set for Cyrillic Unicode Character Range" + _ranges = [(0x0400, 0x04ff)] + + class Chinese(unicode_set): + "Unicode set for Chinese Unicode Character Range" + _ranges = [(0x4e00, 0x9fff), (0x3000, 0x303f), ] + + class Japanese(unicode_set): + "Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges" + _ranges = [ ] + + class Kanji(unicode_set): + "Unicode set for Kanji Unicode Character Range" + _ranges = [(0x4E00, 0x9Fbf), (0x3000, 0x303f), ] + + class Hiragana(unicode_set): + "Unicode set for Hiragana Unicode Character Range" + _ranges = [(0x3040, 0x309f), ] + + class Katakana(unicode_set): + "Unicode set for Katakana Unicode Character Range" + _ranges = [(0x30a0, 0x30ff), ] + + class Korean(unicode_set): + "Unicode set for Korean Unicode Character Range" + _ranges = [(0xac00, 0xd7af), (0x1100, 0x11ff), (0x3130, 0x318f), (0xa960, 0xa97f), (0xd7b0, 0xd7ff), (0x3000, 0x303f), ] + + class CJK(Chinese, Japanese, Korean): + "Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range" + pass + + class Thai(unicode_set): + "Unicode set for Thai Unicode Character Range" + _ranges = [(0x0e01, 0x0e3a), (0x0e3f, 0x0e5b), ] + + class Arabic(unicode_set): + "Unicode set for Arabic Unicode Character Range" + _ranges = [(0x0600, 0x061b), (0x061e, 0x06ff), (0x0700, 0x077f), ] + + class Hebrew(unicode_set): + "Unicode set for Hebrew Unicode Character Range" + _ranges = [(0x0590, 0x05ff), ] + + class Devanagari(unicode_set): + "Unicode set for Devanagari Unicode Character Range" + _ranges = [(0x0900, 0x097f), (0xa8e0, 0xa8ff)] + +pyparsing_unicode.Japanese._ranges = (pyparsing_unicode.Japanese.Kanji._ranges + + pyparsing_unicode.Japanese.Hiragana._ranges + + pyparsing_unicode.Japanese.Katakana._ranges) + +# define ranges in language character sets +if PY_3: + setattr(pyparsing_unicode, "العربية", pyparsing_unicode.Arabic) + setattr(pyparsing_unicode, "中文", pyparsing_unicode.Chinese) + setattr(pyparsing_unicode, "кириллица", pyparsing_unicode.Cyrillic) + setattr(pyparsing_unicode, "Ελληνικά", pyparsing_unicode.Greek) + setattr(pyparsing_unicode, "עִברִית", pyparsing_unicode.Hebrew) + setattr(pyparsing_unicode, "日本語", pyparsing_unicode.Japanese) + setattr(pyparsing_unicode.Japanese, "漢字", pyparsing_unicode.Japanese.Kanji) + setattr(pyparsing_unicode.Japanese, "カタカナ", pyparsing_unicode.Japanese.Katakana) + setattr(pyparsing_unicode.Japanese, "ひらがな", pyparsing_unicode.Japanese.Hiragana) + setattr(pyparsing_unicode, "한국어", pyparsing_unicode.Korean) + setattr(pyparsing_unicode, "ไทย", pyparsing_unicode.Thai) + setattr(pyparsing_unicode, "देवनागरी", pyparsing_unicode.Devanagari) + + +if __name__ == "__main__": + + selectToken = CaselessLiteral("select") + fromToken = CaselessLiteral("from") + + ident = Word(alphas, alphanums + "_$") + + columnName = delimitedList(ident, ".", combine=True).setParseAction(upcaseTokens) + columnNameList = Group(delimitedList(columnName)).setName("columns") + columnSpec = ('*' | columnNameList) + + tableName = delimitedList(ident, ".", combine=True).setParseAction(upcaseTokens) + tableNameList = Group(delimitedList(tableName)).setName("tables") + + simpleSQL = selectToken("command") + columnSpec("columns") + fromToken + tableNameList("tables") + + # demo runTests method, including embedded comments in test string + simpleSQL.runTests(""" + # '*' as column list and dotted table name + select * from SYS.XYZZY + + # caseless match on "SELECT", and casts back to "select" + SELECT * from XYZZY, ABC + + # list of column names, and mixed case SELECT keyword + Select AA,BB,CC from Sys.dual + + # multiple tables + Select A, B, C from Sys.dual, Table2 + + # invalid SELECT keyword - should fail + Xelect A, B, C from Sys.dual + + # incomplete command - should fail + Select + + # invalid column name - should fail + Select ^^^ frox Sys.dual + + """) + + pyparsing_common.number.runTests(""" + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + """) + + # any int or real number, returned as float + pyparsing_common.fnumber.runTests(""" + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + """) + + pyparsing_common.hex_integer.runTests(""" + 100 + FF + """) + + import uuid + pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID)) + pyparsing_common.uuid.runTests(""" + 12345678-1234-5678-1234-567812345678 + """) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/__init__.py new file mode 100644 index 0000000..8ed060f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/__init__.py @@ -0,0 +1,4 @@ +from .core import TomlError +from .parser import load, loads +from .test import translate_to_test +from .writer import dump, dumps \ No newline at end of file diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/core.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/core.py new file mode 100644 index 0000000..c182734 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/core.py @@ -0,0 +1,13 @@ +class TomlError(RuntimeError): + def __init__(self, message, line, col, filename): + RuntimeError.__init__(self, message, line, col, filename) + self.message = message + self.line = line + self.col = col + self.filename = filename + + def __str__(self): + return '{}({}, {}): {}'.format(self.filename, self.line, self.col, self.message) + + def __repr__(self): + return 'TomlError({!r}, {!r}, {!r}, {!r})'.format(self.message, self.line, self.col, self.filename) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/parser.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/parser.py new file mode 100644 index 0000000..3493aa6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/parser.py @@ -0,0 +1,341 @@ +import string, re, sys, datetime +from .core import TomlError +from .utils import rfc3339_re, parse_rfc3339_re + +if sys.version_info[0] == 2: + _chr = unichr +else: + _chr = chr + +def load(fin, translate=lambda t, x, v: v, object_pairs_hook=dict): + return loads(fin.read(), translate=translate, object_pairs_hook=object_pairs_hook, filename=getattr(fin, 'name', repr(fin))) + +def loads(s, filename='<string>', translate=lambda t, x, v: v, object_pairs_hook=dict): + if isinstance(s, bytes): + s = s.decode('utf-8') + + s = s.replace('\r\n', '\n') + + root = object_pairs_hook() + tables = object_pairs_hook() + scope = root + + src = _Source(s, filename=filename) + ast = _p_toml(src, object_pairs_hook=object_pairs_hook) + + def error(msg): + raise TomlError(msg, pos[0], pos[1], filename) + + def process_value(v, object_pairs_hook): + kind, text, value, pos = v + if kind == 'str' and value.startswith('\n'): + value = value[1:] + if kind == 'array': + if value and any(k != value[0][0] for k, t, v, p in value[1:]): + error('array-type-mismatch') + value = [process_value(item, object_pairs_hook=object_pairs_hook) for item in value] + elif kind == 'table': + value = object_pairs_hook([(k, process_value(value[k], object_pairs_hook=object_pairs_hook)) for k in value]) + return translate(kind, text, value) + + for kind, value, pos in ast: + if kind == 'kv': + k, v = value + if k in scope: + error('duplicate_keys. Key "{0}" was used more than once.'.format(k)) + scope[k] = process_value(v, object_pairs_hook=object_pairs_hook) + else: + is_table_array = (kind == 'table_array') + cur = tables + for name in value[:-1]: + if isinstance(cur.get(name), list): + d, cur = cur[name][-1] + else: + d, cur = cur.setdefault(name, (None, object_pairs_hook())) + + scope = object_pairs_hook() + name = value[-1] + if name not in cur: + if is_table_array: + cur[name] = [(scope, object_pairs_hook())] + else: + cur[name] = (scope, object_pairs_hook()) + elif isinstance(cur[name], list): + if not is_table_array: + error('table_type_mismatch') + cur[name].append((scope, object_pairs_hook())) + else: + if is_table_array: + error('table_type_mismatch') + old_scope, next_table = cur[name] + if old_scope is not None: + error('duplicate_tables') + cur[name] = (scope, next_table) + + def merge_tables(scope, tables): + if scope is None: + scope = object_pairs_hook() + for k in tables: + if k in scope: + error('key_table_conflict') + v = tables[k] + if isinstance(v, list): + scope[k] = [merge_tables(sc, tbl) for sc, tbl in v] + else: + scope[k] = merge_tables(v[0], v[1]) + return scope + + return merge_tables(root, tables) + +class _Source: + def __init__(self, s, filename=None): + self.s = s + self._pos = (1, 1) + self._last = None + self._filename = filename + self.backtrack_stack = [] + + def last(self): + return self._last + + def pos(self): + return self._pos + + def fail(self): + return self._expect(None) + + def consume_dot(self): + if self.s: + self._last = self.s[0] + self.s = self[1:] + self._advance(self._last) + return self._last + return None + + def expect_dot(self): + return self._expect(self.consume_dot()) + + def consume_eof(self): + if not self.s: + self._last = '' + return True + return False + + def expect_eof(self): + return self._expect(self.consume_eof()) + + def consume(self, s): + if self.s.startswith(s): + self.s = self.s[len(s):] + self._last = s + self._advance(s) + return True + return False + + def expect(self, s): + return self._expect(self.consume(s)) + + def consume_re(self, re): + m = re.match(self.s) + if m: + self.s = self.s[len(m.group(0)):] + self._last = m + self._advance(m.group(0)) + return m + return None + + def expect_re(self, re): + return self._expect(self.consume_re(re)) + + def __enter__(self): + self.backtrack_stack.append((self.s, self._pos)) + + def __exit__(self, type, value, traceback): + if type is None: + self.backtrack_stack.pop() + else: + self.s, self._pos = self.backtrack_stack.pop() + return type == TomlError + + def commit(self): + self.backtrack_stack[-1] = (self.s, self._pos) + + def _expect(self, r): + if not r: + raise TomlError('msg', self._pos[0], self._pos[1], self._filename) + return r + + def _advance(self, s): + suffix_pos = s.rfind('\n') + if suffix_pos == -1: + self._pos = (self._pos[0], self._pos[1] + len(s)) + else: + self._pos = (self._pos[0] + s.count('\n'), len(s) - suffix_pos) + +_ews_re = re.compile(r'(?:[ \t]|#[^\n]*\n|#[^\n]*\Z|\n)*') +def _p_ews(s): + s.expect_re(_ews_re) + +_ws_re = re.compile(r'[ \t]*') +def _p_ws(s): + s.expect_re(_ws_re) + +_escapes = { 'b': '\b', 'n': '\n', 'r': '\r', 't': '\t', '"': '"', + '\\': '\\', 'f': '\f' } + +_basicstr_re = re.compile(r'[^"\\\000-\037]*') +_short_uni_re = re.compile(r'u([0-9a-fA-F]{4})') +_long_uni_re = re.compile(r'U([0-9a-fA-F]{8})') +_escapes_re = re.compile(r'[btnfr\"\\]') +_newline_esc_re = re.compile('\n[ \t\n]*') +def _p_basicstr_content(s, content=_basicstr_re): + res = [] + while True: + res.append(s.expect_re(content).group(0)) + if not s.consume('\\'): + break + if s.consume_re(_newline_esc_re): + pass + elif s.consume_re(_short_uni_re) or s.consume_re(_long_uni_re): + v = int(s.last().group(1), 16) + if 0xd800 <= v < 0xe000: + s.fail() + res.append(_chr(v)) + else: + s.expect_re(_escapes_re) + res.append(_escapes[s.last().group(0)]) + return ''.join(res) + +_key_re = re.compile(r'[0-9a-zA-Z-_]+') +def _p_key(s): + with s: + s.expect('"') + r = _p_basicstr_content(s, _basicstr_re) + s.expect('"') + return r + if s.consume('\''): + if s.consume('\'\''): + r = s.expect_re(_litstr_ml_re).group(0) + s.expect('\'\'\'') + else: + r = s.expect_re(_litstr_re).group(0) + s.expect('\'') + return r + return s.expect_re(_key_re).group(0) + +_float_re = re.compile(r'[+-]?(?:0|[1-9](?:_?\d)*)(?:\.\d(?:_?\d)*)?(?:[eE][+-]?(?:\d(?:_?\d)*))?') + +_basicstr_ml_re = re.compile(r'(?:""?(?!")|[^"\\\000-\011\013-\037])*') +_litstr_re = re.compile(r"[^'\000\010\012-\037]*") +_litstr_ml_re = re.compile(r"(?:(?:|'|'')(?:[^'\000-\010\013-\037]))*") +def _p_value(s, object_pairs_hook): + pos = s.pos() + + if s.consume('true'): + return 'bool', s.last(), True, pos + if s.consume('false'): + return 'bool', s.last(), False, pos + + if s.consume('"'): + if s.consume('""'): + r = _p_basicstr_content(s, _basicstr_ml_re) + s.expect('"""') + else: + r = _p_basicstr_content(s, _basicstr_re) + s.expect('"') + return 'str', r, r, pos + + if s.consume('\''): + if s.consume('\'\''): + r = s.expect_re(_litstr_ml_re).group(0) + s.expect('\'\'\'') + else: + r = s.expect_re(_litstr_re).group(0) + s.expect('\'') + return 'str', r, r, pos + + if s.consume_re(rfc3339_re): + m = s.last() + return 'datetime', m.group(0), parse_rfc3339_re(m), pos + + if s.consume_re(_float_re): + m = s.last().group(0) + r = m.replace('_','') + if '.' in m or 'e' in m or 'E' in m: + return 'float', m, float(r), pos + else: + return 'int', m, int(r, 10), pos + + if s.consume('['): + items = [] + with s: + while True: + _p_ews(s) + items.append(_p_value(s, object_pairs_hook=object_pairs_hook)) + s.commit() + _p_ews(s) + s.expect(',') + s.commit() + _p_ews(s) + s.expect(']') + return 'array', None, items, pos + + if s.consume('{'): + _p_ws(s) + items = object_pairs_hook() + if not s.consume('}'): + k = _p_key(s) + _p_ws(s) + s.expect('=') + _p_ws(s) + items[k] = _p_value(s, object_pairs_hook=object_pairs_hook) + _p_ws(s) + while s.consume(','): + _p_ws(s) + k = _p_key(s) + _p_ws(s) + s.expect('=') + _p_ws(s) + items[k] = _p_value(s, object_pairs_hook=object_pairs_hook) + _p_ws(s) + s.expect('}') + return 'table', None, items, pos + + s.fail() + +def _p_stmt(s, object_pairs_hook): + pos = s.pos() + if s.consume( '['): + is_array = s.consume('[') + _p_ws(s) + keys = [_p_key(s)] + _p_ws(s) + while s.consume('.'): + _p_ws(s) + keys.append(_p_key(s)) + _p_ws(s) + s.expect(']') + if is_array: + s.expect(']') + return 'table_array' if is_array else 'table', keys, pos + + key = _p_key(s) + _p_ws(s) + s.expect('=') + _p_ws(s) + value = _p_value(s, object_pairs_hook=object_pairs_hook) + return 'kv', (key, value), pos + +_stmtsep_re = re.compile(r'(?:[ \t]*(?:#[^\n]*)?\n)+[ \t]*') +def _p_toml(s, object_pairs_hook): + stmts = [] + _p_ews(s) + with s: + stmts.append(_p_stmt(s, object_pairs_hook=object_pairs_hook)) + while True: + s.commit() + s.expect_re(_stmtsep_re) + stmts.append(_p_stmt(s, object_pairs_hook=object_pairs_hook)) + _p_ews(s) + s.expect_eof() + return stmts diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/test.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/test.py new file mode 100644 index 0000000..ec8abfc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/test.py @@ -0,0 +1,30 @@ +import datetime +from .utils import format_rfc3339 + +try: + _string_types = (str, unicode) + _int_types = (int, long) +except NameError: + _string_types = str + _int_types = int + +def translate_to_test(v): + if isinstance(v, dict): + return { k: translate_to_test(v) for k, v in v.items() } + if isinstance(v, list): + a = [translate_to_test(x) for x in v] + if v and isinstance(v[0], dict): + return a + else: + return {'type': 'array', 'value': a} + if isinstance(v, datetime.datetime): + return {'type': 'datetime', 'value': format_rfc3339(v)} + if isinstance(v, bool): + return {'type': 'bool', 'value': 'true' if v else 'false'} + if isinstance(v, _int_types): + return {'type': 'integer', 'value': str(v)} + if isinstance(v, float): + return {'type': 'float', 'value': '{:.17}'.format(v)} + if isinstance(v, _string_types): + return {'type': 'string', 'value': v} + raise RuntimeError('unexpected value: {!r}'.format(v)) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/utils.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/utils.py new file mode 100644 index 0000000..636a680 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/utils.py @@ -0,0 +1,67 @@ +import datetime +import re + +rfc3339_re = re.compile(r'(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(\.\d+)?(?:Z|([+-]\d{2}):(\d{2}))') + +def parse_rfc3339(v): + m = rfc3339_re.match(v) + if not m or m.group(0) != v: + return None + return parse_rfc3339_re(m) + +def parse_rfc3339_re(m): + r = map(int, m.groups()[:6]) + if m.group(7): + micro = float(m.group(7)) + else: + micro = 0 + + if m.group(8): + g = int(m.group(8), 10) * 60 + int(m.group(9), 10) + tz = _TimeZone(datetime.timedelta(0, g * 60)) + else: + tz = _TimeZone(datetime.timedelta(0, 0)) + + y, m, d, H, M, S = r + return datetime.datetime(y, m, d, H, M, S, int(micro * 1000000), tz) + + +def format_rfc3339(v): + offs = v.utcoffset() + offs = int(offs.total_seconds()) // 60 if offs is not None else 0 + + if offs == 0: + suffix = 'Z' + else: + if offs > 0: + suffix = '+' + else: + suffix = '-' + offs = -offs + suffix = '{0}{1:02}:{2:02}'.format(suffix, offs // 60, offs % 60) + + if v.microsecond: + return v.strftime('%Y-%m-%dT%H:%M:%S.%f') + suffix + else: + return v.strftime('%Y-%m-%dT%H:%M:%S') + suffix + +class _TimeZone(datetime.tzinfo): + def __init__(self, offset): + self._offset = offset + + def utcoffset(self, dt): + return self._offset + + def dst(self, dt): + return None + + def tzname(self, dt): + m = self._offset.total_seconds() // 60 + if m < 0: + res = '-' + m = -m + else: + res = '+' + h = m // 60 + m = m - h * 60 + return '{}{:.02}{:.02}'.format(res, h, m) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/writer.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/writer.py new file mode 100644 index 0000000..73b5089 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/pytoml/writer.py @@ -0,0 +1,106 @@ +from __future__ import unicode_literals +import io, datetime, math, string, sys + +from .utils import format_rfc3339 + +if sys.version_info[0] == 3: + long = int + unicode = str + + +def dumps(obj, sort_keys=False): + fout = io.StringIO() + dump(obj, fout, sort_keys=sort_keys) + return fout.getvalue() + + +_escapes = {'\n': 'n', '\r': 'r', '\\': '\\', '\t': 't', '\b': 'b', '\f': 'f', '"': '"'} + + +def _escape_string(s): + res = [] + start = 0 + + def flush(): + if start != i: + res.append(s[start:i]) + return i + 1 + + i = 0 + while i < len(s): + c = s[i] + if c in '"\\\n\r\t\b\f': + start = flush() + res.append('\\' + _escapes[c]) + elif ord(c) < 0x20: + start = flush() + res.append('\\u%04x' % ord(c)) + i += 1 + + flush() + return '"' + ''.join(res) + '"' + + +_key_chars = string.digits + string.ascii_letters + '-_' +def _escape_id(s): + if any(c not in _key_chars for c in s): + return _escape_string(s) + return s + + +def _format_value(v): + if isinstance(v, bool): + return 'true' if v else 'false' + if isinstance(v, int) or isinstance(v, long): + return unicode(v) + if isinstance(v, float): + if math.isnan(v) or math.isinf(v): + raise ValueError("{0} is not a valid TOML value".format(v)) + else: + return repr(v) + elif isinstance(v, unicode) or isinstance(v, bytes): + return _escape_string(v) + elif isinstance(v, datetime.datetime): + return format_rfc3339(v) + elif isinstance(v, list): + return '[{0}]'.format(', '.join(_format_value(obj) for obj in v)) + elif isinstance(v, dict): + return '{{{0}}}'.format(', '.join('{} = {}'.format(_escape_id(k), _format_value(obj)) for k, obj in v.items())) + else: + raise RuntimeError(v) + + +def dump(obj, fout, sort_keys=False): + tables = [((), obj, False)] + + while tables: + name, table, is_array = tables.pop() + if name: + section_name = '.'.join(_escape_id(c) for c in name) + if is_array: + fout.write('[[{0}]]\n'.format(section_name)) + else: + fout.write('[{0}]\n'.format(section_name)) + + table_keys = sorted(table.keys()) if sort_keys else table.keys() + new_tables = [] + has_kv = False + for k in table_keys: + v = table[k] + if isinstance(v, dict): + new_tables.append((name + (k,), v, False)) + elif isinstance(v, list) and v and all(isinstance(o, dict) for o in v): + new_tables.extend((name + (k,), d, True) for d in v) + elif v is None: + # based on mojombo's comment: https://github.com/toml-lang/toml/issues/146#issuecomment-25019344 + fout.write( + '#{} = null # To use: uncomment and replace null with value\n'.format(_escape_id(k))) + has_kv = True + else: + fout.write('{0} = {1}\n'.format(_escape_id(k), _format_value(v))) + has_kv = True + + tables.extend(reversed(new_tables)) + + if (name or has_kv) and tables: + fout.write('\n') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__init__.py new file mode 100644 index 0000000..80c4ce1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__init__.py @@ -0,0 +1,133 @@ +# -*- coding: utf-8 -*- + +# __ +# /__) _ _ _ _ _/ _ +# / ( (- (/ (/ (- _) / _) +# / + +""" +Requests HTTP Library +~~~~~~~~~~~~~~~~~~~~~ + +Requests is an HTTP library, written in Python, for human beings. Basic GET +usage: + + >>> import requests + >>> r = requests.get('https://www.python.org') + >>> r.status_code + 200 + >>> 'Python is a programming language' in r.content + True + +... or POST: + + >>> payload = dict(key1='value1', key2='value2') + >>> r = requests.post('https://httpbin.org/post', data=payload) + >>> print(r.text) + { + ... + "form": { + "key2": "value2", + "key1": "value1" + }, + ... + } + +The other HTTP methods are supported - see `requests.api`. Full documentation +is at <http://python-requests.org>. + +:copyright: (c) 2017 by Kenneth Reitz. +:license: Apache 2.0, see LICENSE for more details. +""" + +from pip._vendor import urllib3 +from pip._vendor import chardet +import warnings +from .exceptions import RequestsDependencyWarning + + +def check_compatibility(urllib3_version, chardet_version): + urllib3_version = urllib3_version.split('.') + assert urllib3_version != ['dev'] # Verify urllib3 isn't installed from git. + + # Sometimes, urllib3 only reports its version as 16.1. + if len(urllib3_version) == 2: + urllib3_version.append('0') + + # Check urllib3 for compatibility. + major, minor, patch = urllib3_version # noqa: F811 + major, minor, patch = int(major), int(minor), int(patch) + # urllib3 >= 1.21.1, <= 1.24 + assert major == 1 + assert minor >= 21 + assert minor <= 24 + + # Check chardet for compatibility. + major, minor, patch = chardet_version.split('.')[:3] + major, minor, patch = int(major), int(minor), int(patch) + # chardet >= 3.0.2, < 3.1.0 + assert major == 3 + assert minor < 1 + assert patch >= 2 + + +def _check_cryptography(cryptography_version): + # cryptography < 1.3.4 + try: + cryptography_version = list(map(int, cryptography_version.split('.'))) + except ValueError: + return + + if cryptography_version < [1, 3, 4]: + warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version) + warnings.warn(warning, RequestsDependencyWarning) + +# Check imported dependencies for compatibility. +try: + check_compatibility(urllib3.__version__, chardet.__version__) +except (AssertionError, ValueError): + warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported " + "version!".format(urllib3.__version__, chardet.__version__), + RequestsDependencyWarning) + +# Attempt to enable urllib3's SNI support, if possible +from pip._internal.utils.compat import WINDOWS +if not WINDOWS: + try: + from pip._vendor.urllib3.contrib import pyopenssl + pyopenssl.inject_into_urllib3() + + # Check cryptography version + from cryptography import __version__ as cryptography_version + _check_cryptography(cryptography_version) + except ImportError: + pass + +# urllib3's DependencyWarnings should be silenced. +from pip._vendor.urllib3.exceptions import DependencyWarning +warnings.simplefilter('ignore', DependencyWarning) + +from .__version__ import __title__, __description__, __url__, __version__ +from .__version__ import __build__, __author__, __author_email__, __license__ +from .__version__ import __copyright__, __cake__ + +from . import utils +from . import packages +from .models import Request, Response, PreparedRequest +from .api import request, get, head, post, patch, put, delete, options +from .sessions import session, Session +from .status_codes import codes +from .exceptions import ( + RequestException, Timeout, URLRequired, + TooManyRedirects, HTTPError, ConnectionError, + FileModeWarning, ConnectTimeout, ReadTimeout +) + +# Set default logging handler to avoid "No handler found" warnings. +import logging +from logging import NullHandler + +logging.getLogger(__name__).addHandler(NullHandler()) + +# FileModeWarnings go off per the default. +warnings.simplefilter('default', FileModeWarning, append=True) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__version__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__version__.py new file mode 100644 index 0000000..f5b5d03 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/__version__.py @@ -0,0 +1,14 @@ +# .-. .-. .-. . . .-. .-. .-. .-. +# |( |- |.| | | |- `-. | `-. +# ' ' `-' `-`.`-' `-' `-' ' `-' + +__title__ = 'requests' +__description__ = 'Python HTTP for Humans.' +__url__ = 'http://python-requests.org' +__version__ = '2.21.0' +__build__ = 0x022100 +__author__ = 'Kenneth Reitz' +__author_email__ = 'me@kennethreitz.org' +__license__ = 'Apache 2.0' +__copyright__ = 'Copyright 2018 Kenneth Reitz' +__cake__ = u'\u2728 \U0001f370 \u2728' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/_internal_utils.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/_internal_utils.py new file mode 100644 index 0000000..759d9a5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/_internal_utils.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- + +""" +requests._internal_utils +~~~~~~~~~~~~~~ + +Provides utility functions that are consumed internally by Requests +which depend on extremely few external helpers (such as compat) +""" + +from .compat import is_py2, builtin_str, str + + +def to_native_string(string, encoding='ascii'): + """Given a string object, regardless of type, returns a representation of + that string in the native string type, encoding and decoding where + necessary. This assumes ASCII unless told otherwise. + """ + if isinstance(string, builtin_str): + out = string + else: + if is_py2: + out = string.encode(encoding) + else: + out = string.decode(encoding) + + return out + + +def unicode_is_ascii(u_string): + """Determine if unicode string only contains ASCII characters. + + :param str u_string: unicode string to check. Must be unicode + and not Python 2 `str`. + :rtype: bool + """ + assert isinstance(u_string, str) + try: + u_string.encode('ascii') + return True + except UnicodeEncodeError: + return False diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/adapters.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/adapters.py new file mode 100644 index 0000000..c30e7c9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/adapters.py @@ -0,0 +1,533 @@ +# -*- coding: utf-8 -*- + +""" +requests.adapters +~~~~~~~~~~~~~~~~~ + +This module contains the transport adapters that Requests uses to define +and maintain connections. +""" + +import os.path +import socket + +from pip._vendor.urllib3.poolmanager import PoolManager, proxy_from_url +from pip._vendor.urllib3.response import HTTPResponse +from pip._vendor.urllib3.util import parse_url +from pip._vendor.urllib3.util import Timeout as TimeoutSauce +from pip._vendor.urllib3.util.retry import Retry +from pip._vendor.urllib3.exceptions import ClosedPoolError +from pip._vendor.urllib3.exceptions import ConnectTimeoutError +from pip._vendor.urllib3.exceptions import HTTPError as _HTTPError +from pip._vendor.urllib3.exceptions import MaxRetryError +from pip._vendor.urllib3.exceptions import NewConnectionError +from pip._vendor.urllib3.exceptions import ProxyError as _ProxyError +from pip._vendor.urllib3.exceptions import ProtocolError +from pip._vendor.urllib3.exceptions import ReadTimeoutError +from pip._vendor.urllib3.exceptions import SSLError as _SSLError +from pip._vendor.urllib3.exceptions import ResponseError +from pip._vendor.urllib3.exceptions import LocationValueError + +from .models import Response +from .compat import urlparse, basestring +from .utils import (DEFAULT_CA_BUNDLE_PATH, extract_zipped_paths, + get_encoding_from_headers, prepend_scheme_if_needed, + get_auth_from_url, urldefragauth, select_proxy) +from .structures import CaseInsensitiveDict +from .cookies import extract_cookies_to_jar +from .exceptions import (ConnectionError, ConnectTimeout, ReadTimeout, SSLError, + ProxyError, RetryError, InvalidSchema, InvalidProxyURL, + InvalidURL) +from .auth import _basic_auth_str + +try: + from pip._vendor.urllib3.contrib.socks import SOCKSProxyManager +except ImportError: + def SOCKSProxyManager(*args, **kwargs): + raise InvalidSchema("Missing dependencies for SOCKS support.") + +DEFAULT_POOLBLOCK = False +DEFAULT_POOLSIZE = 10 +DEFAULT_RETRIES = 0 +DEFAULT_POOL_TIMEOUT = None + + +class BaseAdapter(object): + """The Base Transport Adapter""" + + def __init__(self): + super(BaseAdapter, self).__init__() + + def send(self, request, stream=False, timeout=None, verify=True, + cert=None, proxies=None): + """Sends PreparedRequest object. Returns Response object. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param stream: (optional) Whether to stream the request content. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use + :param cert: (optional) Any user-provided SSL certificate to be trusted. + :param proxies: (optional) The proxies dictionary to apply to the request. + """ + raise NotImplementedError + + def close(self): + """Cleans up adapter specific items.""" + raise NotImplementedError + + +class HTTPAdapter(BaseAdapter): + """The built-in HTTP Adapter for urllib3. + + Provides a general-case interface for Requests sessions to contact HTTP and + HTTPS urls by implementing the Transport Adapter interface. This class will + usually be created by the :class:`Session <Session>` class under the + covers. + + :param pool_connections: The number of urllib3 connection pools to cache. + :param pool_maxsize: The maximum number of connections to save in the pool. + :param max_retries: The maximum number of retries each connection + should attempt. Note, this applies only to failed DNS lookups, socket + connections and connection timeouts, never to requests where data has + made it to the server. By default, Requests does not retry failed + connections. If you need granular control over the conditions under + which we retry a request, import urllib3's ``Retry`` class and pass + that instead. + :param pool_block: Whether the connection pool should block for connections. + + Usage:: + + >>> import requests + >>> s = requests.Session() + >>> a = requests.adapters.HTTPAdapter(max_retries=3) + >>> s.mount('http://', a) + """ + __attrs__ = ['max_retries', 'config', '_pool_connections', '_pool_maxsize', + '_pool_block'] + + def __init__(self, pool_connections=DEFAULT_POOLSIZE, + pool_maxsize=DEFAULT_POOLSIZE, max_retries=DEFAULT_RETRIES, + pool_block=DEFAULT_POOLBLOCK): + if max_retries == DEFAULT_RETRIES: + self.max_retries = Retry(0, read=False) + else: + self.max_retries = Retry.from_int(max_retries) + self.config = {} + self.proxy_manager = {} + + super(HTTPAdapter, self).__init__() + + self._pool_connections = pool_connections + self._pool_maxsize = pool_maxsize + self._pool_block = pool_block + + self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block) + + def __getstate__(self): + return {attr: getattr(self, attr, None) for attr in self.__attrs__} + + def __setstate__(self, state): + # Can't handle by adding 'proxy_manager' to self.__attrs__ because + # self.poolmanager uses a lambda function, which isn't pickleable. + self.proxy_manager = {} + self.config = {} + + for attr, value in state.items(): + setattr(self, attr, value) + + self.init_poolmanager(self._pool_connections, self._pool_maxsize, + block=self._pool_block) + + def init_poolmanager(self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs): + """Initializes a urllib3 PoolManager. + + This method should not be called from user code, and is only + exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param connections: The number of urllib3 connection pools to cache. + :param maxsize: The maximum number of connections to save in the pool. + :param block: Block when no free connections are available. + :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager. + """ + # save these values for pickling + self._pool_connections = connections + self._pool_maxsize = maxsize + self._pool_block = block + + self.poolmanager = PoolManager(num_pools=connections, maxsize=maxsize, + block=block, strict=True, **pool_kwargs) + + def proxy_manager_for(self, proxy, **proxy_kwargs): + """Return urllib3 ProxyManager for the given proxy. + + This method should not be called from user code, and is only + exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param proxy: The proxy to return a urllib3 ProxyManager for. + :param proxy_kwargs: Extra keyword arguments used to configure the Proxy Manager. + :returns: ProxyManager + :rtype: urllib3.ProxyManager + """ + if proxy in self.proxy_manager: + manager = self.proxy_manager[proxy] + elif proxy.lower().startswith('socks'): + username, password = get_auth_from_url(proxy) + manager = self.proxy_manager[proxy] = SOCKSProxyManager( + proxy, + username=username, + password=password, + num_pools=self._pool_connections, + maxsize=self._pool_maxsize, + block=self._pool_block, + **proxy_kwargs + ) + else: + proxy_headers = self.proxy_headers(proxy) + manager = self.proxy_manager[proxy] = proxy_from_url( + proxy, + proxy_headers=proxy_headers, + num_pools=self._pool_connections, + maxsize=self._pool_maxsize, + block=self._pool_block, + **proxy_kwargs) + + return manager + + def cert_verify(self, conn, url, verify, cert): + """Verify a SSL certificate. This method should not be called from user + code, and is only exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param conn: The urllib3 connection object associated with the cert. + :param url: The requested URL. + :param verify: Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use + :param cert: The SSL certificate to verify. + """ + if url.lower().startswith('https') and verify: + + cert_loc = None + + # Allow self-specified cert location. + if verify is not True: + cert_loc = verify + + if not cert_loc: + cert_loc = extract_zipped_paths(DEFAULT_CA_BUNDLE_PATH) + + if not cert_loc or not os.path.exists(cert_loc): + raise IOError("Could not find a suitable TLS CA certificate bundle, " + "invalid path: {}".format(cert_loc)) + + conn.cert_reqs = 'CERT_REQUIRED' + + if not os.path.isdir(cert_loc): + conn.ca_certs = cert_loc + else: + conn.ca_cert_dir = cert_loc + else: + conn.cert_reqs = 'CERT_NONE' + conn.ca_certs = None + conn.ca_cert_dir = None + + if cert: + if not isinstance(cert, basestring): + conn.cert_file = cert[0] + conn.key_file = cert[1] + else: + conn.cert_file = cert + conn.key_file = None + if conn.cert_file and not os.path.exists(conn.cert_file): + raise IOError("Could not find the TLS certificate file, " + "invalid path: {}".format(conn.cert_file)) + if conn.key_file and not os.path.exists(conn.key_file): + raise IOError("Could not find the TLS key file, " + "invalid path: {}".format(conn.key_file)) + + def build_response(self, req, resp): + """Builds a :class:`Response <requests.Response>` object from a urllib3 + response. This should not be called from user code, and is only exposed + for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>` + + :param req: The :class:`PreparedRequest <PreparedRequest>` used to generate the response. + :param resp: The urllib3 response object. + :rtype: requests.Response + """ + response = Response() + + # Fallback to None if there's no status_code, for whatever reason. + response.status_code = getattr(resp, 'status', None) + + # Make headers case-insensitive. + response.headers = CaseInsensitiveDict(getattr(resp, 'headers', {})) + + # Set encoding. + response.encoding = get_encoding_from_headers(response.headers) + response.raw = resp + response.reason = response.raw.reason + + if isinstance(req.url, bytes): + response.url = req.url.decode('utf-8') + else: + response.url = req.url + + # Add new cookies from the server. + extract_cookies_to_jar(response.cookies, req, resp) + + # Give the Response some context. + response.request = req + response.connection = self + + return response + + def get_connection(self, url, proxies=None): + """Returns a urllib3 connection for the given URL. This should not be + called from user code, and is only exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param url: The URL to connect to. + :param proxies: (optional) A Requests-style dictionary of proxies used on this request. + :rtype: urllib3.ConnectionPool + """ + proxy = select_proxy(url, proxies) + + if proxy: + proxy = prepend_scheme_if_needed(proxy, 'http') + proxy_url = parse_url(proxy) + if not proxy_url.host: + raise InvalidProxyURL("Please check proxy URL. It is malformed" + " and could be missing the host.") + proxy_manager = self.proxy_manager_for(proxy) + conn = proxy_manager.connection_from_url(url) + else: + # Only scheme should be lower case + parsed = urlparse(url) + url = parsed.geturl() + conn = self.poolmanager.connection_from_url(url) + + return conn + + def close(self): + """Disposes of any internal state. + + Currently, this closes the PoolManager and any active ProxyManager, + which closes any pooled connections. + """ + self.poolmanager.clear() + for proxy in self.proxy_manager.values(): + proxy.clear() + + def request_url(self, request, proxies): + """Obtain the url to use when making the final request. + + If the message is being sent through a HTTP proxy, the full URL has to + be used. Otherwise, we should only use the path portion of the URL. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs. + :rtype: str + """ + proxy = select_proxy(request.url, proxies) + scheme = urlparse(request.url).scheme + + is_proxied_http_request = (proxy and scheme != 'https') + using_socks_proxy = False + if proxy: + proxy_scheme = urlparse(proxy).scheme.lower() + using_socks_proxy = proxy_scheme.startswith('socks') + + url = request.path_url + if is_proxied_http_request and not using_socks_proxy: + url = urldefragauth(request.url) + + return url + + def add_headers(self, request, **kwargs): + """Add any headers needed by the connection. As of v2.0 this does + nothing by default, but is left for overriding by users that subclass + the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to. + :param kwargs: The keyword arguments from the call to send(). + """ + pass + + def proxy_headers(self, proxy): + """Returns a dictionary of the headers to add to any request sent + through a proxy. This works with urllib3 magic to ensure that they are + correctly sent to the proxy, rather than in a tunnelled request if + CONNECT is being used. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param proxy: The url of the proxy being used for this request. + :rtype: dict + """ + headers = {} + username, password = get_auth_from_url(proxy) + + if username: + headers['Proxy-Authorization'] = _basic_auth_str(username, + password) + + return headers + + def send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None): + """Sends PreparedRequest object. Returns Response object. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param stream: (optional) Whether to stream the request content. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple or urllib3 Timeout object + :param verify: (optional) Either a boolean, in which case it controls whether + we verify the server's TLS certificate, or a string, in which case it + must be a path to a CA bundle to use + :param cert: (optional) Any user-provided SSL certificate to be trusted. + :param proxies: (optional) The proxies dictionary to apply to the request. + :rtype: requests.Response + """ + + try: + conn = self.get_connection(request.url, proxies) + except LocationValueError as e: + raise InvalidURL(e, request=request) + + self.cert_verify(conn, request.url, verify, cert) + url = self.request_url(request, proxies) + self.add_headers(request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies) + + chunked = not (request.body is None or 'Content-Length' in request.headers) + + if isinstance(timeout, tuple): + try: + connect, read = timeout + timeout = TimeoutSauce(connect=connect, read=read) + except ValueError as e: + # this may raise a string formatting error. + err = ("Invalid timeout {}. Pass a (connect, read) " + "timeout tuple, or a single float to set " + "both timeouts to the same value".format(timeout)) + raise ValueError(err) + elif isinstance(timeout, TimeoutSauce): + pass + else: + timeout = TimeoutSauce(connect=timeout, read=timeout) + + try: + if not chunked: + resp = conn.urlopen( + method=request.method, + url=url, + body=request.body, + headers=request.headers, + redirect=False, + assert_same_host=False, + preload_content=False, + decode_content=False, + retries=self.max_retries, + timeout=timeout + ) + + # Send the request. + else: + if hasattr(conn, 'proxy_pool'): + conn = conn.proxy_pool + + low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT) + + try: + low_conn.putrequest(request.method, + url, + skip_accept_encoding=True) + + for header, value in request.headers.items(): + low_conn.putheader(header, value) + + low_conn.endheaders() + + for i in request.body: + low_conn.send(hex(len(i))[2:].encode('utf-8')) + low_conn.send(b'\r\n') + low_conn.send(i) + low_conn.send(b'\r\n') + low_conn.send(b'0\r\n\r\n') + + # Receive the response from the server + try: + # For Python 2.7, use buffering of HTTP responses + r = low_conn.getresponse(buffering=True) + except TypeError: + # For compatibility with Python 3.3+ + r = low_conn.getresponse() + + resp = HTTPResponse.from_httplib( + r, + pool=conn, + connection=low_conn, + preload_content=False, + decode_content=False + ) + except: + # If we hit any problems here, clean up the connection. + # Then, reraise so that we can handle the actual exception. + low_conn.close() + raise + + except (ProtocolError, socket.error) as err: + raise ConnectionError(err, request=request) + + except MaxRetryError as e: + if isinstance(e.reason, ConnectTimeoutError): + # TODO: Remove this in 3.0.0: see #2811 + if not isinstance(e.reason, NewConnectionError): + raise ConnectTimeout(e, request=request) + + if isinstance(e.reason, ResponseError): + raise RetryError(e, request=request) + + if isinstance(e.reason, _ProxyError): + raise ProxyError(e, request=request) + + if isinstance(e.reason, _SSLError): + # This branch is for urllib3 v1.22 and later. + raise SSLError(e, request=request) + + raise ConnectionError(e, request=request) + + except ClosedPoolError as e: + raise ConnectionError(e, request=request) + + except _ProxyError as e: + raise ProxyError(e) + + except (_SSLError, _HTTPError) as e: + if isinstance(e, _SSLError): + # This branch is for urllib3 versions earlier than v1.22 + raise SSLError(e, request=request) + elif isinstance(e, ReadTimeoutError): + raise ReadTimeout(e, request=request) + else: + raise + + return self.build_response(request, resp) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/api.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/api.py new file mode 100644 index 0000000..abada96 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/api.py @@ -0,0 +1,158 @@ +# -*- coding: utf-8 -*- + +""" +requests.api +~~~~~~~~~~~~ + +This module implements the Requests API. + +:copyright: (c) 2012 by Kenneth Reitz. +:license: Apache2, see LICENSE for more details. +""" + +from . import sessions + + +def request(method, url, **kwargs): + """Constructs and sends a :class:`Request <Request>`. + + :param method: method for the new :class:`Request` object. + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary, list of tuples or bytes to send + in the body of the :class:`Request`. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`. + :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. + :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. + :param files: (optional) Dictionary of ``'name': file-like-objects`` (or ``{'name': file-tuple}``) for multipart encoding upload. + ``file-tuple`` can be a 2-tuple ``('filename', fileobj)``, 3-tuple ``('filename', fileobj, 'content_type')`` + or a 4-tuple ``('filename', fileobj, 'content_type', custom_headers)``, where ``'content-type'`` is a string + defining the content type of the given file and ``custom_headers`` a dict-like object containing additional headers + to add for the file. + :param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth. + :param timeout: (optional) How many seconds to wait for the server to send data + before giving up, as a float, or a :ref:`(connect timeout, read + timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param allow_redirects: (optional) Boolean. Enable/disable GET/OPTIONS/POST/PUT/PATCH/DELETE/HEAD redirection. Defaults to ``True``. + :type allow_redirects: bool + :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy. + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use. Defaults to ``True``. + :param stream: (optional) if ``False``, the response content will be immediately downloaded. + :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. + :return: :class:`Response <Response>` object + :rtype: requests.Response + + Usage:: + + >>> import requests + >>> req = requests.request('GET', 'https://httpbin.org/get') + <Response [200]> + """ + + # By using the 'with' statement we are sure the session is closed, thus we + # avoid leaving sockets open which can trigger a ResourceWarning in some + # cases, and look like a memory leak in others. + with sessions.Session() as session: + return session.request(method=method, url=url, **kwargs) + + +def get(url, params=None, **kwargs): + r"""Sends a GET request. + + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary, list of tuples or bytes to send + in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return request('get', url, params=params, **kwargs) + + +def options(url, **kwargs): + r"""Sends an OPTIONS request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return request('options', url, **kwargs) + + +def head(url, **kwargs): + r"""Sends a HEAD request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', False) + return request('head', url, **kwargs) + + +def post(url, data=None, json=None, **kwargs): + r"""Sends a POST request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('post', url, data=data, json=json, **kwargs) + + +def put(url, data=None, **kwargs): + r"""Sends a PUT request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('put', url, data=data, **kwargs) + + +def patch(url, data=None, **kwargs): + r"""Sends a PATCH request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('patch', url, data=data, **kwargs) + + +def delete(url, **kwargs): + r"""Sends a DELETE request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('delete', url, **kwargs) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/auth.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/auth.py new file mode 100644 index 0000000..bdde51c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/auth.py @@ -0,0 +1,305 @@ +# -*- coding: utf-8 -*- + +""" +requests.auth +~~~~~~~~~~~~~ + +This module contains the authentication handlers for Requests. +""" + +import os +import re +import time +import hashlib +import threading +import warnings + +from base64 import b64encode + +from .compat import urlparse, str, basestring +from .cookies import extract_cookies_to_jar +from ._internal_utils import to_native_string +from .utils import parse_dict_header + +CONTENT_TYPE_FORM_URLENCODED = 'application/x-www-form-urlencoded' +CONTENT_TYPE_MULTI_PART = 'multipart/form-data' + + +def _basic_auth_str(username, password): + """Returns a Basic Auth string.""" + + # "I want us to put a big-ol' comment on top of it that + # says that this behaviour is dumb but we need to preserve + # it because people are relying on it." + # - Lukasa + # + # These are here solely to maintain backwards compatibility + # for things like ints. This will be removed in 3.0.0. + if not isinstance(username, basestring): + warnings.warn( + "Non-string usernames will no longer be supported in Requests " + "3.0.0. Please convert the object you've passed in ({!r}) to " + "a string or bytes object in the near future to avoid " + "problems.".format(username), + category=DeprecationWarning, + ) + username = str(username) + + if not isinstance(password, basestring): + warnings.warn( + "Non-string passwords will no longer be supported in Requests " + "3.0.0. Please convert the object you've passed in ({!r}) to " + "a string or bytes object in the near future to avoid " + "problems.".format(password), + category=DeprecationWarning, + ) + password = str(password) + # -- End Removal -- + + if isinstance(username, str): + username = username.encode('latin1') + + if isinstance(password, str): + password = password.encode('latin1') + + authstr = 'Basic ' + to_native_string( + b64encode(b':'.join((username, password))).strip() + ) + + return authstr + + +class AuthBase(object): + """Base class that all auth implementations derive from""" + + def __call__(self, r): + raise NotImplementedError('Auth hooks must be callable.') + + +class HTTPBasicAuth(AuthBase): + """Attaches HTTP Basic Authentication to the given Request object.""" + + def __init__(self, username, password): + self.username = username + self.password = password + + def __eq__(self, other): + return all([ + self.username == getattr(other, 'username', None), + self.password == getattr(other, 'password', None) + ]) + + def __ne__(self, other): + return not self == other + + def __call__(self, r): + r.headers['Authorization'] = _basic_auth_str(self.username, self.password) + return r + + +class HTTPProxyAuth(HTTPBasicAuth): + """Attaches HTTP Proxy Authentication to a given Request object.""" + + def __call__(self, r): + r.headers['Proxy-Authorization'] = _basic_auth_str(self.username, self.password) + return r + + +class HTTPDigestAuth(AuthBase): + """Attaches HTTP Digest Authentication to the given Request object.""" + + def __init__(self, username, password): + self.username = username + self.password = password + # Keep state in per-thread local storage + self._thread_local = threading.local() + + def init_per_thread_state(self): + # Ensure state is initialized just once per-thread + if not hasattr(self._thread_local, 'init'): + self._thread_local.init = True + self._thread_local.last_nonce = '' + self._thread_local.nonce_count = 0 + self._thread_local.chal = {} + self._thread_local.pos = None + self._thread_local.num_401_calls = None + + def build_digest_header(self, method, url): + """ + :rtype: str + """ + + realm = self._thread_local.chal['realm'] + nonce = self._thread_local.chal['nonce'] + qop = self._thread_local.chal.get('qop') + algorithm = self._thread_local.chal.get('algorithm') + opaque = self._thread_local.chal.get('opaque') + hash_utf8 = None + + if algorithm is None: + _algorithm = 'MD5' + else: + _algorithm = algorithm.upper() + # lambdas assume digest modules are imported at the top level + if _algorithm == 'MD5' or _algorithm == 'MD5-SESS': + def md5_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.md5(x).hexdigest() + hash_utf8 = md5_utf8 + elif _algorithm == 'SHA': + def sha_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha1(x).hexdigest() + hash_utf8 = sha_utf8 + elif _algorithm == 'SHA-256': + def sha256_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha256(x).hexdigest() + hash_utf8 = sha256_utf8 + elif _algorithm == 'SHA-512': + def sha512_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha512(x).hexdigest() + hash_utf8 = sha512_utf8 + + KD = lambda s, d: hash_utf8("%s:%s" % (s, d)) + + if hash_utf8 is None: + return None + + # XXX not implemented yet + entdig = None + p_parsed = urlparse(url) + #: path is request-uri defined in RFC 2616 which should not be empty + path = p_parsed.path or "/" + if p_parsed.query: + path += '?' + p_parsed.query + + A1 = '%s:%s:%s' % (self.username, realm, self.password) + A2 = '%s:%s' % (method, path) + + HA1 = hash_utf8(A1) + HA2 = hash_utf8(A2) + + if nonce == self._thread_local.last_nonce: + self._thread_local.nonce_count += 1 + else: + self._thread_local.nonce_count = 1 + ncvalue = '%08x' % self._thread_local.nonce_count + s = str(self._thread_local.nonce_count).encode('utf-8') + s += nonce.encode('utf-8') + s += time.ctime().encode('utf-8') + s += os.urandom(8) + + cnonce = (hashlib.sha1(s).hexdigest()[:16]) + if _algorithm == 'MD5-SESS': + HA1 = hash_utf8('%s:%s:%s' % (HA1, nonce, cnonce)) + + if not qop: + respdig = KD(HA1, "%s:%s" % (nonce, HA2)) + elif qop == 'auth' or 'auth' in qop.split(','): + noncebit = "%s:%s:%s:%s:%s" % ( + nonce, ncvalue, cnonce, 'auth', HA2 + ) + respdig = KD(HA1, noncebit) + else: + # XXX handle auth-int. + return None + + self._thread_local.last_nonce = nonce + + # XXX should the partial digests be encoded too? + base = 'username="%s", realm="%s", nonce="%s", uri="%s", ' \ + 'response="%s"' % (self.username, realm, nonce, path, respdig) + if opaque: + base += ', opaque="%s"' % opaque + if algorithm: + base += ', algorithm="%s"' % algorithm + if entdig: + base += ', digest="%s"' % entdig + if qop: + base += ', qop="auth", nc=%s, cnonce="%s"' % (ncvalue, cnonce) + + return 'Digest %s' % (base) + + def handle_redirect(self, r, **kwargs): + """Reset num_401_calls counter on redirects.""" + if r.is_redirect: + self._thread_local.num_401_calls = 1 + + def handle_401(self, r, **kwargs): + """ + Takes the given response and tries digest-auth, if needed. + + :rtype: requests.Response + """ + + # If response is not 4xx, do not auth + # See https://github.com/requests/requests/issues/3772 + if not 400 <= r.status_code < 500: + self._thread_local.num_401_calls = 1 + return r + + if self._thread_local.pos is not None: + # Rewind the file position indicator of the body to where + # it was to resend the request. + r.request.body.seek(self._thread_local.pos) + s_auth = r.headers.get('www-authenticate', '') + + if 'digest' in s_auth.lower() and self._thread_local.num_401_calls < 2: + + self._thread_local.num_401_calls += 1 + pat = re.compile(r'digest ', flags=re.IGNORECASE) + self._thread_local.chal = parse_dict_header(pat.sub('', s_auth, count=1)) + + # Consume content and release the original connection + # to allow our new request to reuse the same one. + r.content + r.close() + prep = r.request.copy() + extract_cookies_to_jar(prep._cookies, r.request, r.raw) + prep.prepare_cookies(prep._cookies) + + prep.headers['Authorization'] = self.build_digest_header( + prep.method, prep.url) + _r = r.connection.send(prep, **kwargs) + _r.history.append(r) + _r.request = prep + + return _r + + self._thread_local.num_401_calls = 1 + return r + + def __call__(self, r): + # Initialize per-thread state, if needed + self.init_per_thread_state() + # If we have a saved nonce, skip the 401 + if self._thread_local.last_nonce: + r.headers['Authorization'] = self.build_digest_header(r.method, r.url) + try: + self._thread_local.pos = r.body.tell() + except AttributeError: + # In the case of HTTPDigestAuth being reused and the body of + # the previous request was a file-like object, pos has the + # file position of the previous body. Ensure it's set to + # None. + self._thread_local.pos = None + r.register_hook('response', self.handle_401) + r.register_hook('response', self.handle_redirect) + self._thread_local.num_401_calls = 1 + + return r + + def __eq__(self, other): + return all([ + self.username == getattr(other, 'username', None), + self.password == getattr(other, 'password', None) + ]) + + def __ne__(self, other): + return not self == other diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/certs.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/certs.py new file mode 100644 index 0000000..06a594e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/certs.py @@ -0,0 +1,18 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +requests.certs +~~~~~~~~~~~~~~ + +This module returns the preferred default CA certificate bundle. There is +only one — the one from the certifi package. + +If you are packaging Requests, e.g., for a Linux distribution or a managed +environment, you can change the definition of where() to return a separately +packaged CA bundle. +""" +from pip._vendor.certifi import where + +if __name__ == '__main__': + print(where()) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/compat.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/compat.py new file mode 100644 index 0000000..6a86893 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/compat.py @@ -0,0 +1,74 @@ +# -*- coding: utf-8 -*- + +""" +requests.compat +~~~~~~~~~~~~~~~ + +This module handles import compatibility issues between Python 2 and +Python 3. +""" + +from pip._vendor import chardet + +import sys + +# ------- +# Pythons +# ------- + +# Syntax sugar. +_ver = sys.version_info + +#: Python 2.x? +is_py2 = (_ver[0] == 2) + +#: Python 3.x? +is_py3 = (_ver[0] == 3) + +# Note: We've patched out simplejson support in pip because it prevents +# upgrading simplejson on Windows. +# try: +# import simplejson as json +# except (ImportError, SyntaxError): +# # simplejson does not support Python 3.2, it throws a SyntaxError +# # because of u'...' Unicode literals. +import json + +# --------- +# Specifics +# --------- + +if is_py2: + from urllib import ( + quote, unquote, quote_plus, unquote_plus, urlencode, getproxies, + proxy_bypass, proxy_bypass_environment, getproxies_environment) + from urlparse import urlparse, urlunparse, urljoin, urlsplit, urldefrag + from urllib2 import parse_http_list + import cookielib + from Cookie import Morsel + from StringIO import StringIO + from collections import Callable, Mapping, MutableMapping, OrderedDict + + + builtin_str = str + bytes = str + str = unicode + basestring = basestring + numeric_types = (int, long, float) + integer_types = (int, long) + +elif is_py3: + from urllib.parse import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, quote_plus, unquote_plus, urldefrag + from urllib.request import parse_http_list, getproxies, proxy_bypass, proxy_bypass_environment, getproxies_environment + from http import cookiejar as cookielib + from http.cookies import Morsel + from io import StringIO + from collections import OrderedDict + from collections.abc import Callable, Mapping, MutableMapping + + builtin_str = str + str = str + bytes = bytes + basestring = (str, bytes) + numeric_types = (int, float) + integer_types = (int,) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/cookies.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/cookies.py new file mode 100644 index 0000000..56fccd9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/cookies.py @@ -0,0 +1,549 @@ +# -*- coding: utf-8 -*- + +""" +requests.cookies +~~~~~~~~~~~~~~~~ + +Compatibility code to be able to use `cookielib.CookieJar` with requests. + +requests.utils imports from here, so be careful with imports. +""" + +import copy +import time +import calendar + +from ._internal_utils import to_native_string +from .compat import cookielib, urlparse, urlunparse, Morsel, MutableMapping + +try: + import threading +except ImportError: + import dummy_threading as threading + + +class MockRequest(object): + """Wraps a `requests.Request` to mimic a `urllib2.Request`. + + The code in `cookielib.CookieJar` expects this interface in order to correctly + manage cookie policies, i.e., determine whether a cookie can be set, given the + domains of the request and the cookie. + + The original request object is read-only. The client is responsible for collecting + the new headers via `get_new_headers()` and interpreting them appropriately. You + probably want `get_cookie_header`, defined below. + """ + + def __init__(self, request): + self._r = request + self._new_headers = {} + self.type = urlparse(self._r.url).scheme + + def get_type(self): + return self.type + + def get_host(self): + return urlparse(self._r.url).netloc + + def get_origin_req_host(self): + return self.get_host() + + def get_full_url(self): + # Only return the response's URL if the user hadn't set the Host + # header + if not self._r.headers.get('Host'): + return self._r.url + # If they did set it, retrieve it and reconstruct the expected domain + host = to_native_string(self._r.headers['Host'], encoding='utf-8') + parsed = urlparse(self._r.url) + # Reconstruct the URL as we expect it + return urlunparse([ + parsed.scheme, host, parsed.path, parsed.params, parsed.query, + parsed.fragment + ]) + + def is_unverifiable(self): + return True + + def has_header(self, name): + return name in self._r.headers or name in self._new_headers + + def get_header(self, name, default=None): + return self._r.headers.get(name, self._new_headers.get(name, default)) + + def add_header(self, key, val): + """cookielib has no legitimate use for this method; add it back if you find one.""" + raise NotImplementedError("Cookie headers should be added with add_unredirected_header()") + + def add_unredirected_header(self, name, value): + self._new_headers[name] = value + + def get_new_headers(self): + return self._new_headers + + @property + def unverifiable(self): + return self.is_unverifiable() + + @property + def origin_req_host(self): + return self.get_origin_req_host() + + @property + def host(self): + return self.get_host() + + +class MockResponse(object): + """Wraps a `httplib.HTTPMessage` to mimic a `urllib.addinfourl`. + + ...what? Basically, expose the parsed HTTP headers from the server response + the way `cookielib` expects to see them. + """ + + def __init__(self, headers): + """Make a MockResponse for `cookielib` to read. + + :param headers: a httplib.HTTPMessage or analogous carrying the headers + """ + self._headers = headers + + def info(self): + return self._headers + + def getheaders(self, name): + self._headers.getheaders(name) + + +def extract_cookies_to_jar(jar, request, response): + """Extract the cookies from the response into a CookieJar. + + :param jar: cookielib.CookieJar (not necessarily a RequestsCookieJar) + :param request: our own requests.Request object + :param response: urllib3.HTTPResponse object + """ + if not (hasattr(response, '_original_response') and + response._original_response): + return + # the _original_response field is the wrapped httplib.HTTPResponse object, + req = MockRequest(request) + # pull out the HTTPMessage with the headers and put it in the mock: + res = MockResponse(response._original_response.msg) + jar.extract_cookies(res, req) + + +def get_cookie_header(jar, request): + """ + Produce an appropriate Cookie header string to be sent with `request`, or None. + + :rtype: str + """ + r = MockRequest(request) + jar.add_cookie_header(r) + return r.get_new_headers().get('Cookie') + + +def remove_cookie_by_name(cookiejar, name, domain=None, path=None): + """Unsets a cookie by name, by default over all domains and paths. + + Wraps CookieJar.clear(), is O(n). + """ + clearables = [] + for cookie in cookiejar: + if cookie.name != name: + continue + if domain is not None and domain != cookie.domain: + continue + if path is not None and path != cookie.path: + continue + clearables.append((cookie.domain, cookie.path, cookie.name)) + + for domain, path, name in clearables: + cookiejar.clear(domain, path, name) + + +class CookieConflictError(RuntimeError): + """There are two cookies that meet the criteria specified in the cookie jar. + Use .get and .set and include domain and path args in order to be more specific. + """ + + +class RequestsCookieJar(cookielib.CookieJar, MutableMapping): + """Compatibility class; is a cookielib.CookieJar, but exposes a dict + interface. + + This is the CookieJar we create by default for requests and sessions that + don't specify one, since some clients may expect response.cookies and + session.cookies to support dict operations. + + Requests does not use the dict interface internally; it's just for + compatibility with external client code. All requests code should work + out of the box with externally provided instances of ``CookieJar``, e.g. + ``LWPCookieJar`` and ``FileCookieJar``. + + Unlike a regular CookieJar, this class is pickleable. + + .. warning:: dictionary operations that are normally O(1) may be O(n). + """ + + def get(self, name, default=None, domain=None, path=None): + """Dict-like get() that also supports optional domain and path args in + order to resolve naming collisions from using one cookie jar over + multiple domains. + + .. warning:: operation is O(n), not O(1). + """ + try: + return self._find_no_duplicates(name, domain, path) + except KeyError: + return default + + def set(self, name, value, **kwargs): + """Dict-like set() that also supports optional domain and path args in + order to resolve naming collisions from using one cookie jar over + multiple domains. + """ + # support client code that unsets cookies by assignment of a None value: + if value is None: + remove_cookie_by_name(self, name, domain=kwargs.get('domain'), path=kwargs.get('path')) + return + + if isinstance(value, Morsel): + c = morsel_to_cookie(value) + else: + c = create_cookie(name, value, **kwargs) + self.set_cookie(c) + return c + + def iterkeys(self): + """Dict-like iterkeys() that returns an iterator of names of cookies + from the jar. + + .. seealso:: itervalues() and iteritems(). + """ + for cookie in iter(self): + yield cookie.name + + def keys(self): + """Dict-like keys() that returns a list of names of cookies from the + jar. + + .. seealso:: values() and items(). + """ + return list(self.iterkeys()) + + def itervalues(self): + """Dict-like itervalues() that returns an iterator of values of cookies + from the jar. + + .. seealso:: iterkeys() and iteritems(). + """ + for cookie in iter(self): + yield cookie.value + + def values(self): + """Dict-like values() that returns a list of values of cookies from the + jar. + + .. seealso:: keys() and items(). + """ + return list(self.itervalues()) + + def iteritems(self): + """Dict-like iteritems() that returns an iterator of name-value tuples + from the jar. + + .. seealso:: iterkeys() and itervalues(). + """ + for cookie in iter(self): + yield cookie.name, cookie.value + + def items(self): + """Dict-like items() that returns a list of name-value tuples from the + jar. Allows client-code to call ``dict(RequestsCookieJar)`` and get a + vanilla python dict of key value pairs. + + .. seealso:: keys() and values(). + """ + return list(self.iteritems()) + + def list_domains(self): + """Utility method to list all the domains in the jar.""" + domains = [] + for cookie in iter(self): + if cookie.domain not in domains: + domains.append(cookie.domain) + return domains + + def list_paths(self): + """Utility method to list all the paths in the jar.""" + paths = [] + for cookie in iter(self): + if cookie.path not in paths: + paths.append(cookie.path) + return paths + + def multiple_domains(self): + """Returns True if there are multiple domains in the jar. + Returns False otherwise. + + :rtype: bool + """ + domains = [] + for cookie in iter(self): + if cookie.domain is not None and cookie.domain in domains: + return True + domains.append(cookie.domain) + return False # there is only one domain in jar + + def get_dict(self, domain=None, path=None): + """Takes as an argument an optional domain and path and returns a plain + old Python dict of name-value pairs of cookies that meet the + requirements. + + :rtype: dict + """ + dictionary = {} + for cookie in iter(self): + if ( + (domain is None or cookie.domain == domain) and + (path is None or cookie.path == path) + ): + dictionary[cookie.name] = cookie.value + return dictionary + + def __contains__(self, name): + try: + return super(RequestsCookieJar, self).__contains__(name) + except CookieConflictError: + return True + + def __getitem__(self, name): + """Dict-like __getitem__() for compatibility with client code. Throws + exception if there are more than one cookie with name. In that case, + use the more explicit get() method instead. + + .. warning:: operation is O(n), not O(1). + """ + return self._find_no_duplicates(name) + + def __setitem__(self, name, value): + """Dict-like __setitem__ for compatibility with client code. Throws + exception if there is already a cookie of that name in the jar. In that + case, use the more explicit set() method instead. + """ + self.set(name, value) + + def __delitem__(self, name): + """Deletes a cookie given a name. Wraps ``cookielib.CookieJar``'s + ``remove_cookie_by_name()``. + """ + remove_cookie_by_name(self, name) + + def set_cookie(self, cookie, *args, **kwargs): + if hasattr(cookie.value, 'startswith') and cookie.value.startswith('"') and cookie.value.endswith('"'): + cookie.value = cookie.value.replace('\\"', '') + return super(RequestsCookieJar, self).set_cookie(cookie, *args, **kwargs) + + def update(self, other): + """Updates this jar with cookies from another CookieJar or dict-like""" + if isinstance(other, cookielib.CookieJar): + for cookie in other: + self.set_cookie(copy.copy(cookie)) + else: + super(RequestsCookieJar, self).update(other) + + def _find(self, name, domain=None, path=None): + """Requests uses this method internally to get cookie values. + + If there are conflicting cookies, _find arbitrarily chooses one. + See _find_no_duplicates if you want an exception thrown if there are + conflicting cookies. + + :param name: a string containing name of cookie + :param domain: (optional) string containing domain of cookie + :param path: (optional) string containing path of cookie + :return: cookie.value + """ + for cookie in iter(self): + if cookie.name == name: + if domain is None or cookie.domain == domain: + if path is None or cookie.path == path: + return cookie.value + + raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path)) + + def _find_no_duplicates(self, name, domain=None, path=None): + """Both ``__get_item__`` and ``get`` call this function: it's never + used elsewhere in Requests. + + :param name: a string containing name of cookie + :param domain: (optional) string containing domain of cookie + :param path: (optional) string containing path of cookie + :raises KeyError: if cookie is not found + :raises CookieConflictError: if there are multiple cookies + that match name and optionally domain and path + :return: cookie.value + """ + toReturn = None + for cookie in iter(self): + if cookie.name == name: + if domain is None or cookie.domain == domain: + if path is None or cookie.path == path: + if toReturn is not None: # if there are multiple cookies that meet passed in criteria + raise CookieConflictError('There are multiple cookies with name, %r' % (name)) + toReturn = cookie.value # we will eventually return this as long as no cookie conflict + + if toReturn: + return toReturn + raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path)) + + def __getstate__(self): + """Unlike a normal CookieJar, this class is pickleable.""" + state = self.__dict__.copy() + # remove the unpickleable RLock object + state.pop('_cookies_lock') + return state + + def __setstate__(self, state): + """Unlike a normal CookieJar, this class is pickleable.""" + self.__dict__.update(state) + if '_cookies_lock' not in self.__dict__: + self._cookies_lock = threading.RLock() + + def copy(self): + """Return a copy of this RequestsCookieJar.""" + new_cj = RequestsCookieJar() + new_cj.set_policy(self.get_policy()) + new_cj.update(self) + return new_cj + + def get_policy(self): + """Return the CookiePolicy instance used.""" + return self._policy + + +def _copy_cookie_jar(jar): + if jar is None: + return None + + if hasattr(jar, 'copy'): + # We're dealing with an instance of RequestsCookieJar + return jar.copy() + # We're dealing with a generic CookieJar instance + new_jar = copy.copy(jar) + new_jar.clear() + for cookie in jar: + new_jar.set_cookie(copy.copy(cookie)) + return new_jar + + +def create_cookie(name, value, **kwargs): + """Make a cookie from underspecified parameters. + + By default, the pair of `name` and `value` will be set for the domain '' + and sent on every request (this is sometimes called a "supercookie"). + """ + result = { + 'version': 0, + 'name': name, + 'value': value, + 'port': None, + 'domain': '', + 'path': '/', + 'secure': False, + 'expires': None, + 'discard': True, + 'comment': None, + 'comment_url': None, + 'rest': {'HttpOnly': None}, + 'rfc2109': False, + } + + badargs = set(kwargs) - set(result) + if badargs: + err = 'create_cookie() got unexpected keyword arguments: %s' + raise TypeError(err % list(badargs)) + + result.update(kwargs) + result['port_specified'] = bool(result['port']) + result['domain_specified'] = bool(result['domain']) + result['domain_initial_dot'] = result['domain'].startswith('.') + result['path_specified'] = bool(result['path']) + + return cookielib.Cookie(**result) + + +def morsel_to_cookie(morsel): + """Convert a Morsel object into a Cookie containing the one k/v pair.""" + + expires = None + if morsel['max-age']: + try: + expires = int(time.time() + int(morsel['max-age'])) + except ValueError: + raise TypeError('max-age: %s must be integer' % morsel['max-age']) + elif morsel['expires']: + time_template = '%a, %d-%b-%Y %H:%M:%S GMT' + expires = calendar.timegm( + time.strptime(morsel['expires'], time_template) + ) + return create_cookie( + comment=morsel['comment'], + comment_url=bool(morsel['comment']), + discard=False, + domain=morsel['domain'], + expires=expires, + name=morsel.key, + path=morsel['path'], + port=None, + rest={'HttpOnly': morsel['httponly']}, + rfc2109=False, + secure=bool(morsel['secure']), + value=morsel.value, + version=morsel['version'] or 0, + ) + + +def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True): + """Returns a CookieJar from a key/value dictionary. + + :param cookie_dict: Dict of key/values to insert into CookieJar. + :param cookiejar: (optional) A cookiejar to add the cookies to. + :param overwrite: (optional) If False, will not replace cookies + already in the jar with new ones. + :rtype: CookieJar + """ + if cookiejar is None: + cookiejar = RequestsCookieJar() + + if cookie_dict is not None: + names_from_jar = [cookie.name for cookie in cookiejar] + for name in cookie_dict: + if overwrite or (name not in names_from_jar): + cookiejar.set_cookie(create_cookie(name, cookie_dict[name])) + + return cookiejar + + +def merge_cookies(cookiejar, cookies): + """Add cookies to cookiejar and returns a merged CookieJar. + + :param cookiejar: CookieJar object to add the cookies to. + :param cookies: Dictionary or CookieJar object to be added. + :rtype: CookieJar + """ + if not isinstance(cookiejar, cookielib.CookieJar): + raise ValueError('You can only merge into CookieJar') + + if isinstance(cookies, dict): + cookiejar = cookiejar_from_dict( + cookies, cookiejar=cookiejar, overwrite=False) + elif isinstance(cookies, cookielib.CookieJar): + try: + cookiejar.update(cookies) + except AttributeError: + for cookie_in_jar in cookies: + cookiejar.set_cookie(cookie_in_jar) + + return cookiejar diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/exceptions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/exceptions.py new file mode 100644 index 0000000..a91e1fd --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/exceptions.py @@ -0,0 +1,126 @@ +# -*- coding: utf-8 -*- + +""" +requests.exceptions +~~~~~~~~~~~~~~~~~~~ + +This module contains the set of Requests' exceptions. +""" +from pip._vendor.urllib3.exceptions import HTTPError as BaseHTTPError + + +class RequestException(IOError): + """There was an ambiguous exception that occurred while handling your + request. + """ + + def __init__(self, *args, **kwargs): + """Initialize RequestException with `request` and `response` objects.""" + response = kwargs.pop('response', None) + self.response = response + self.request = kwargs.pop('request', None) + if (response is not None and not self.request and + hasattr(response, 'request')): + self.request = self.response.request + super(RequestException, self).__init__(*args, **kwargs) + + +class HTTPError(RequestException): + """An HTTP error occurred.""" + + +class ConnectionError(RequestException): + """A Connection error occurred.""" + + +class ProxyError(ConnectionError): + """A proxy error occurred.""" + + +class SSLError(ConnectionError): + """An SSL error occurred.""" + + +class Timeout(RequestException): + """The request timed out. + + Catching this error will catch both + :exc:`~requests.exceptions.ConnectTimeout` and + :exc:`~requests.exceptions.ReadTimeout` errors. + """ + + +class ConnectTimeout(ConnectionError, Timeout): + """The request timed out while trying to connect to the remote server. + + Requests that produced this error are safe to retry. + """ + + +class ReadTimeout(Timeout): + """The server did not send any data in the allotted amount of time.""" + + +class URLRequired(RequestException): + """A valid URL is required to make a request.""" + + +class TooManyRedirects(RequestException): + """Too many redirects.""" + + +class MissingSchema(RequestException, ValueError): + """The URL schema (e.g. http or https) is missing.""" + + +class InvalidSchema(RequestException, ValueError): + """See defaults.py for valid schemas.""" + + +class InvalidURL(RequestException, ValueError): + """The URL provided was somehow invalid.""" + + +class InvalidHeader(RequestException, ValueError): + """The header value provided was somehow invalid.""" + + +class InvalidProxyURL(InvalidURL): + """The proxy URL provided is invalid.""" + + +class ChunkedEncodingError(RequestException): + """The server declared chunked encoding but sent an invalid chunk.""" + + +class ContentDecodingError(RequestException, BaseHTTPError): + """Failed to decode response content""" + + +class StreamConsumedError(RequestException, TypeError): + """The content for this response was already consumed""" + + +class RetryError(RequestException): + """Custom retries logic failed""" + + +class UnrewindableBodyError(RequestException): + """Requests encountered an error when trying to rewind a body""" + +# Warnings + + +class RequestsWarning(Warning): + """Base warning for Requests.""" + pass + + +class FileModeWarning(RequestsWarning, DeprecationWarning): + """A file was opened in text mode, but Requests determined its binary length.""" + pass + + +class RequestsDependencyWarning(RequestsWarning): + """An imported dependency doesn't match the expected version range.""" + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/help.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/help.py new file mode 100644 index 0000000..3c3072b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/help.py @@ -0,0 +1,119 @@ +"""Module containing bug report helper(s).""" +from __future__ import print_function + +import json +import platform +import sys +import ssl + +from pip._vendor import idna +from pip._vendor import urllib3 +from pip._vendor import chardet + +from . import __version__ as requests_version + +try: + from pip._vendor.urllib3.contrib import pyopenssl +except ImportError: + pyopenssl = None + OpenSSL = None + cryptography = None +else: + import OpenSSL + import cryptography + + +def _implementation(): + """Return a dict with the Python implementation and version. + + Provide both the name and the version of the Python implementation + currently running. For example, on CPython 2.7.5 it will return + {'name': 'CPython', 'version': '2.7.5'}. + + This function works best on CPython and PyPy: in particular, it probably + doesn't work for Jython or IronPython. Future investigation should be done + to work out the correct shape of the code for those platforms. + """ + implementation = platform.python_implementation() + + if implementation == 'CPython': + implementation_version = platform.python_version() + elif implementation == 'PyPy': + implementation_version = '%s.%s.%s' % (sys.pypy_version_info.major, + sys.pypy_version_info.minor, + sys.pypy_version_info.micro) + if sys.pypy_version_info.releaselevel != 'final': + implementation_version = ''.join([ + implementation_version, sys.pypy_version_info.releaselevel + ]) + elif implementation == 'Jython': + implementation_version = platform.python_version() # Complete Guess + elif implementation == 'IronPython': + implementation_version = platform.python_version() # Complete Guess + else: + implementation_version = 'Unknown' + + return {'name': implementation, 'version': implementation_version} + + +def info(): + """Generate information for a bug report.""" + try: + platform_info = { + 'system': platform.system(), + 'release': platform.release(), + } + except IOError: + platform_info = { + 'system': 'Unknown', + 'release': 'Unknown', + } + + implementation_info = _implementation() + urllib3_info = {'version': urllib3.__version__} + chardet_info = {'version': chardet.__version__} + + pyopenssl_info = { + 'version': None, + 'openssl_version': '', + } + if OpenSSL: + pyopenssl_info = { + 'version': OpenSSL.__version__, + 'openssl_version': '%x' % OpenSSL.SSL.OPENSSL_VERSION_NUMBER, + } + cryptography_info = { + 'version': getattr(cryptography, '__version__', ''), + } + idna_info = { + 'version': getattr(idna, '__version__', ''), + } + + system_ssl = ssl.OPENSSL_VERSION_NUMBER + system_ssl_info = { + 'version': '%x' % system_ssl if system_ssl is not None else '' + } + + return { + 'platform': platform_info, + 'implementation': implementation_info, + 'system_ssl': system_ssl_info, + 'using_pyopenssl': pyopenssl is not None, + 'pyOpenSSL': pyopenssl_info, + 'urllib3': urllib3_info, + 'chardet': chardet_info, + 'cryptography': cryptography_info, + 'idna': idna_info, + 'requests': { + 'version': requests_version, + }, + } + + +def main(): + """Pretty-print the bug information as JSON.""" + print(json.dumps(info(), sort_keys=True, indent=2)) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/hooks.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/hooks.py new file mode 100644 index 0000000..7a51f21 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/hooks.py @@ -0,0 +1,34 @@ +# -*- coding: utf-8 -*- + +""" +requests.hooks +~~~~~~~~~~~~~~ + +This module provides the capabilities for the Requests hooks system. + +Available hooks: + +``response``: + The response generated from a Request. +""" +HOOKS = ['response'] + + +def default_hooks(): + return {event: [] for event in HOOKS} + +# TODO: response is the only one + + +def dispatch_hook(key, hooks, hook_data, **kwargs): + """Dispatches a hook dictionary on a given piece of data.""" + hooks = hooks or {} + hooks = hooks.get(key) + if hooks: + if hasattr(hooks, '__call__'): + hooks = [hooks] + for hook in hooks: + _hook_data = hook(hook_data, **kwargs) + if _hook_data is not None: + hook_data = _hook_data + return hook_data diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/models.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/models.py new file mode 100644 index 0000000..0839957 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/models.py @@ -0,0 +1,953 @@ +# -*- coding: utf-8 -*- + +""" +requests.models +~~~~~~~~~~~~~~~ + +This module contains the primary objects that power Requests. +""" + +import datetime +import sys + +# Import encoding now, to avoid implicit import later. +# Implicit import within threads may cause LookupError when standard library is in a ZIP, +# such as in Embedded Python. See https://github.com/requests/requests/issues/3578. +import encodings.idna + +from pip._vendor.urllib3.fields import RequestField +from pip._vendor.urllib3.filepost import encode_multipart_formdata +from pip._vendor.urllib3.util import parse_url +from pip._vendor.urllib3.exceptions import ( + DecodeError, ReadTimeoutError, ProtocolError, LocationParseError) + +from io import UnsupportedOperation +from .hooks import default_hooks +from .structures import CaseInsensitiveDict + +from .auth import HTTPBasicAuth +from .cookies import cookiejar_from_dict, get_cookie_header, _copy_cookie_jar +from .exceptions import ( + HTTPError, MissingSchema, InvalidURL, ChunkedEncodingError, + ContentDecodingError, ConnectionError, StreamConsumedError) +from ._internal_utils import to_native_string, unicode_is_ascii +from .utils import ( + guess_filename, get_auth_from_url, requote_uri, + stream_decode_response_unicode, to_key_val_list, parse_header_links, + iter_slices, guess_json_utf, super_len, check_header_validity) +from .compat import ( + Callable, Mapping, + cookielib, urlunparse, urlsplit, urlencode, str, bytes, + is_py2, chardet, builtin_str, basestring) +from .compat import json as complexjson +from .status_codes import codes + +#: The set of HTTP status codes that indicate an automatically +#: processable redirect. +REDIRECT_STATI = ( + codes.moved, # 301 + codes.found, # 302 + codes.other, # 303 + codes.temporary_redirect, # 307 + codes.permanent_redirect, # 308 +) + +DEFAULT_REDIRECT_LIMIT = 30 +CONTENT_CHUNK_SIZE = 10 * 1024 +ITER_CHUNK_SIZE = 512 + + +class RequestEncodingMixin(object): + @property + def path_url(self): + """Build the path URL to use.""" + + url = [] + + p = urlsplit(self.url) + + path = p.path + if not path: + path = '/' + + url.append(path) + + query = p.query + if query: + url.append('?') + url.append(query) + + return ''.join(url) + + @staticmethod + def _encode_params(data): + """Encode parameters in a piece of data. + + Will successfully encode parameters when passed as a dict or a list of + 2-tuples. Order is retained if data is a list of 2-tuples but arbitrary + if parameters are supplied as a dict. + """ + + if isinstance(data, (str, bytes)): + return data + elif hasattr(data, 'read'): + return data + elif hasattr(data, '__iter__'): + result = [] + for k, vs in to_key_val_list(data): + if isinstance(vs, basestring) or not hasattr(vs, '__iter__'): + vs = [vs] + for v in vs: + if v is not None: + result.append( + (k.encode('utf-8') if isinstance(k, str) else k, + v.encode('utf-8') if isinstance(v, str) else v)) + return urlencode(result, doseq=True) + else: + return data + + @staticmethod + def _encode_files(files, data): + """Build the body for a multipart/form-data request. + + Will successfully encode files when passed as a dict or a list of + tuples. Order is retained if data is a list of tuples but arbitrary + if parameters are supplied as a dict. + The tuples may be 2-tuples (filename, fileobj), 3-tuples (filename, fileobj, contentype) + or 4-tuples (filename, fileobj, contentype, custom_headers). + """ + if (not files): + raise ValueError("Files must be provided.") + elif isinstance(data, basestring): + raise ValueError("Data must not be a string.") + + new_fields = [] + fields = to_key_val_list(data or {}) + files = to_key_val_list(files or {}) + + for field, val in fields: + if isinstance(val, basestring) or not hasattr(val, '__iter__'): + val = [val] + for v in val: + if v is not None: + # Don't call str() on bytestrings: in Py3 it all goes wrong. + if not isinstance(v, bytes): + v = str(v) + + new_fields.append( + (field.decode('utf-8') if isinstance(field, bytes) else field, + v.encode('utf-8') if isinstance(v, str) else v)) + + for (k, v) in files: + # support for explicit filename + ft = None + fh = None + if isinstance(v, (tuple, list)): + if len(v) == 2: + fn, fp = v + elif len(v) == 3: + fn, fp, ft = v + else: + fn, fp, ft, fh = v + else: + fn = guess_filename(v) or k + fp = v + + if isinstance(fp, (str, bytes, bytearray)): + fdata = fp + elif hasattr(fp, 'read'): + fdata = fp.read() + elif fp is None: + continue + else: + fdata = fp + + rf = RequestField(name=k, data=fdata, filename=fn, headers=fh) + rf.make_multipart(content_type=ft) + new_fields.append(rf) + + body, content_type = encode_multipart_formdata(new_fields) + + return body, content_type + + +class RequestHooksMixin(object): + def register_hook(self, event, hook): + """Properly register a hook.""" + + if event not in self.hooks: + raise ValueError('Unsupported event specified, with event name "%s"' % (event)) + + if isinstance(hook, Callable): + self.hooks[event].append(hook) + elif hasattr(hook, '__iter__'): + self.hooks[event].extend(h for h in hook if isinstance(h, Callable)) + + def deregister_hook(self, event, hook): + """Deregister a previously registered hook. + Returns True if the hook existed, False if not. + """ + + try: + self.hooks[event].remove(hook) + return True + except ValueError: + return False + + +class Request(RequestHooksMixin): + """A user-created :class:`Request <Request>` object. + + Used to prepare a :class:`PreparedRequest <PreparedRequest>`, which is sent to the server. + + :param method: HTTP method to use. + :param url: URL to send. + :param headers: dictionary of headers to send. + :param files: dictionary of {filename: fileobject} files to multipart upload. + :param data: the body to attach to the request. If a dictionary or + list of tuples ``[(key, value)]`` is provided, form-encoding will + take place. + :param json: json for the body to attach to the request (if files or data is not specified). + :param params: URL parameters to append to the URL. If a dictionary or + list of tuples ``[(key, value)]`` is provided, form-encoding will + take place. + :param auth: Auth handler or (user, pass) tuple. + :param cookies: dictionary or CookieJar of cookies to attach to this request. + :param hooks: dictionary of callback hooks, for internal usage. + + Usage:: + + >>> import requests + >>> req = requests.Request('GET', 'https://httpbin.org/get') + >>> req.prepare() + <PreparedRequest [GET]> + """ + + def __init__(self, + method=None, url=None, headers=None, files=None, data=None, + params=None, auth=None, cookies=None, hooks=None, json=None): + + # Default empty dicts for dict params. + data = [] if data is None else data + files = [] if files is None else files + headers = {} if headers is None else headers + params = {} if params is None else params + hooks = {} if hooks is None else hooks + + self.hooks = default_hooks() + for (k, v) in list(hooks.items()): + self.register_hook(event=k, hook=v) + + self.method = method + self.url = url + self.headers = headers + self.files = files + self.data = data + self.json = json + self.params = params + self.auth = auth + self.cookies = cookies + + def __repr__(self): + return '<Request [%s]>' % (self.method) + + def prepare(self): + """Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it.""" + p = PreparedRequest() + p.prepare( + method=self.method, + url=self.url, + headers=self.headers, + files=self.files, + data=self.data, + json=self.json, + params=self.params, + auth=self.auth, + cookies=self.cookies, + hooks=self.hooks, + ) + return p + + +class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): + """The fully mutable :class:`PreparedRequest <PreparedRequest>` object, + containing the exact bytes that will be sent to the server. + + Generated from either a :class:`Request <Request>` object or manually. + + Usage:: + + >>> import requests + >>> req = requests.Request('GET', 'https://httpbin.org/get') + >>> r = req.prepare() + <PreparedRequest [GET]> + + >>> s = requests.Session() + >>> s.send(r) + <Response [200]> + """ + + def __init__(self): + #: HTTP verb to send to the server. + self.method = None + #: HTTP URL to send the request to. + self.url = None + #: dictionary of HTTP headers. + self.headers = None + # The `CookieJar` used to create the Cookie header will be stored here + # after prepare_cookies is called + self._cookies = None + #: request body to send to the server. + self.body = None + #: dictionary of callback hooks, for internal usage. + self.hooks = default_hooks() + #: integer denoting starting position of a readable file-like body. + self._body_position = None + + def prepare(self, + method=None, url=None, headers=None, files=None, data=None, + params=None, auth=None, cookies=None, hooks=None, json=None): + """Prepares the entire request with the given parameters.""" + + self.prepare_method(method) + self.prepare_url(url, params) + self.prepare_headers(headers) + self.prepare_cookies(cookies) + self.prepare_body(data, files, json) + self.prepare_auth(auth, url) + + # Note that prepare_auth must be last to enable authentication schemes + # such as OAuth to work on a fully prepared request. + + # This MUST go after prepare_auth. Authenticators could add a hook + self.prepare_hooks(hooks) + + def __repr__(self): + return '<PreparedRequest [%s]>' % (self.method) + + def copy(self): + p = PreparedRequest() + p.method = self.method + p.url = self.url + p.headers = self.headers.copy() if self.headers is not None else None + p._cookies = _copy_cookie_jar(self._cookies) + p.body = self.body + p.hooks = self.hooks + p._body_position = self._body_position + return p + + def prepare_method(self, method): + """Prepares the given HTTP method.""" + self.method = method + if self.method is not None: + self.method = to_native_string(self.method.upper()) + + @staticmethod + def _get_idna_encoded_host(host): + from pip._vendor import idna + + try: + host = idna.encode(host, uts46=True).decode('utf-8') + except idna.IDNAError: + raise UnicodeError + return host + + def prepare_url(self, url, params): + """Prepares the given HTTP URL.""" + #: Accept objects that have string representations. + #: We're unable to blindly call unicode/str functions + #: as this will include the bytestring indicator (b'') + #: on python 3.x. + #: https://github.com/requests/requests/pull/2238 + if isinstance(url, bytes): + url = url.decode('utf8') + else: + url = unicode(url) if is_py2 else str(url) + + # Remove leading whitespaces from url + url = url.lstrip() + + # Don't do any URL preparation for non-HTTP schemes like `mailto`, + # `data` etc to work around exceptions from `url_parse`, which + # handles RFC 3986 only. + if ':' in url and not url.lower().startswith('http'): + self.url = url + return + + # Support for unicode domain names and paths. + try: + scheme, auth, host, port, path, query, fragment = parse_url(url) + except LocationParseError as e: + raise InvalidURL(*e.args) + + if not scheme: + error = ("Invalid URL {0!r}: No schema supplied. Perhaps you meant http://{0}?") + error = error.format(to_native_string(url, 'utf8')) + + raise MissingSchema(error) + + if not host: + raise InvalidURL("Invalid URL %r: No host supplied" % url) + + # In general, we want to try IDNA encoding the hostname if the string contains + # non-ASCII characters. This allows users to automatically get the correct IDNA + # behaviour. For strings containing only ASCII characters, we need to also verify + # it doesn't start with a wildcard (*), before allowing the unencoded hostname. + if not unicode_is_ascii(host): + try: + host = self._get_idna_encoded_host(host) + except UnicodeError: + raise InvalidURL('URL has an invalid label.') + elif host.startswith(u'*'): + raise InvalidURL('URL has an invalid label.') + + # Carefully reconstruct the network location + netloc = auth or '' + if netloc: + netloc += '@' + netloc += host + if port: + netloc += ':' + str(port) + + # Bare domains aren't valid URLs. + if not path: + path = '/' + + if is_py2: + if isinstance(scheme, str): + scheme = scheme.encode('utf-8') + if isinstance(netloc, str): + netloc = netloc.encode('utf-8') + if isinstance(path, str): + path = path.encode('utf-8') + if isinstance(query, str): + query = query.encode('utf-8') + if isinstance(fragment, str): + fragment = fragment.encode('utf-8') + + if isinstance(params, (str, bytes)): + params = to_native_string(params) + + enc_params = self._encode_params(params) + if enc_params: + if query: + query = '%s&%s' % (query, enc_params) + else: + query = enc_params + + url = requote_uri(urlunparse([scheme, netloc, path, None, query, fragment])) + self.url = url + + def prepare_headers(self, headers): + """Prepares the given HTTP headers.""" + + self.headers = CaseInsensitiveDict() + if headers: + for header in headers.items(): + # Raise exception on invalid header value. + check_header_validity(header) + name, value = header + self.headers[to_native_string(name)] = value + + def prepare_body(self, data, files, json=None): + """Prepares the given HTTP body data.""" + + # Check if file, fo, generator, iterator. + # If not, run through normal process. + + # Nottin' on you. + body = None + content_type = None + + if not data and json is not None: + # urllib3 requires a bytes-like body. Python 2's json.dumps + # provides this natively, but Python 3 gives a Unicode string. + content_type = 'application/json' + body = complexjson.dumps(json) + if not isinstance(body, bytes): + body = body.encode('utf-8') + + is_stream = all([ + hasattr(data, '__iter__'), + not isinstance(data, (basestring, list, tuple, Mapping)) + ]) + + try: + length = super_len(data) + except (TypeError, AttributeError, UnsupportedOperation): + length = None + + if is_stream: + body = data + + if getattr(body, 'tell', None) is not None: + # Record the current file position before reading. + # This will allow us to rewind a file in the event + # of a redirect. + try: + self._body_position = body.tell() + except (IOError, OSError): + # This differentiates from None, allowing us to catch + # a failed `tell()` later when trying to rewind the body + self._body_position = object() + + if files: + raise NotImplementedError('Streamed bodies and files are mutually exclusive.') + + if length: + self.headers['Content-Length'] = builtin_str(length) + else: + self.headers['Transfer-Encoding'] = 'chunked' + else: + # Multi-part file uploads. + if files: + (body, content_type) = self._encode_files(files, data) + else: + if data: + body = self._encode_params(data) + if isinstance(data, basestring) or hasattr(data, 'read'): + content_type = None + else: + content_type = 'application/x-www-form-urlencoded' + + self.prepare_content_length(body) + + # Add content-type if it wasn't explicitly provided. + if content_type and ('content-type' not in self.headers): + self.headers['Content-Type'] = content_type + + self.body = body + + def prepare_content_length(self, body): + """Prepare Content-Length header based on request method and body""" + if body is not None: + length = super_len(body) + if length: + # If length exists, set it. Otherwise, we fallback + # to Transfer-Encoding: chunked. + self.headers['Content-Length'] = builtin_str(length) + elif self.method not in ('GET', 'HEAD') and self.headers.get('Content-Length') is None: + # Set Content-Length to 0 for methods that can have a body + # but don't provide one. (i.e. not GET or HEAD) + self.headers['Content-Length'] = '0' + + def prepare_auth(self, auth, url=''): + """Prepares the given HTTP auth data.""" + + # If no Auth is explicitly provided, extract it from the URL first. + if auth is None: + url_auth = get_auth_from_url(self.url) + auth = url_auth if any(url_auth) else None + + if auth: + if isinstance(auth, tuple) and len(auth) == 2: + # special-case basic HTTP auth + auth = HTTPBasicAuth(*auth) + + # Allow auth to make its changes. + r = auth(self) + + # Update self to reflect the auth changes. + self.__dict__.update(r.__dict__) + + # Recompute Content-Length + self.prepare_content_length(self.body) + + def prepare_cookies(self, cookies): + """Prepares the given HTTP cookie data. + + This function eventually generates a ``Cookie`` header from the + given cookies using cookielib. Due to cookielib's design, the header + will not be regenerated if it already exists, meaning this function + can only be called once for the life of the + :class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls + to ``prepare_cookies`` will have no actual effect, unless the "Cookie" + header is removed beforehand. + """ + if isinstance(cookies, cookielib.CookieJar): + self._cookies = cookies + else: + self._cookies = cookiejar_from_dict(cookies) + + cookie_header = get_cookie_header(self._cookies, self) + if cookie_header is not None: + self.headers['Cookie'] = cookie_header + + def prepare_hooks(self, hooks): + """Prepares the given hooks.""" + # hooks can be passed as None to the prepare method and to this + # method. To prevent iterating over None, simply use an empty list + # if hooks is False-y + hooks = hooks or [] + for event in hooks: + self.register_hook(event, hooks[event]) + + +class Response(object): + """The :class:`Response <Response>` object, which contains a + server's response to an HTTP request. + """ + + __attrs__ = [ + '_content', 'status_code', 'headers', 'url', 'history', + 'encoding', 'reason', 'cookies', 'elapsed', 'request' + ] + + def __init__(self): + self._content = False + self._content_consumed = False + self._next = None + + #: Integer Code of responded HTTP Status, e.g. 404 or 200. + self.status_code = None + + #: Case-insensitive Dictionary of Response Headers. + #: For example, ``headers['content-encoding']`` will return the + #: value of a ``'Content-Encoding'`` response header. + self.headers = CaseInsensitiveDict() + + #: File-like object representation of response (for advanced usage). + #: Use of ``raw`` requires that ``stream=True`` be set on the request. + # This requirement does not apply for use internally to Requests. + self.raw = None + + #: Final URL location of Response. + self.url = None + + #: Encoding to decode with when accessing r.text. + self.encoding = None + + #: A list of :class:`Response <Response>` objects from + #: the history of the Request. Any redirect responses will end + #: up here. The list is sorted from the oldest to the most recent request. + self.history = [] + + #: Textual reason of responded HTTP Status, e.g. "Not Found" or "OK". + self.reason = None + + #: A CookieJar of Cookies the server sent back. + self.cookies = cookiejar_from_dict({}) + + #: The amount of time elapsed between sending the request + #: and the arrival of the response (as a timedelta). + #: This property specifically measures the time taken between sending + #: the first byte of the request and finishing parsing the headers. It + #: is therefore unaffected by consuming the response content or the + #: value of the ``stream`` keyword argument. + self.elapsed = datetime.timedelta(0) + + #: The :class:`PreparedRequest <PreparedRequest>` object to which this + #: is a response. + self.request = None + + def __enter__(self): + return self + + def __exit__(self, *args): + self.close() + + def __getstate__(self): + # Consume everything; accessing the content attribute makes + # sure the content has been fully read. + if not self._content_consumed: + self.content + + return {attr: getattr(self, attr, None) for attr in self.__attrs__} + + def __setstate__(self, state): + for name, value in state.items(): + setattr(self, name, value) + + # pickled objects do not have .raw + setattr(self, '_content_consumed', True) + setattr(self, 'raw', None) + + def __repr__(self): + return '<Response [%s]>' % (self.status_code) + + def __bool__(self): + """Returns True if :attr:`status_code` is less than 400. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code, is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + return self.ok + + def __nonzero__(self): + """Returns True if :attr:`status_code` is less than 400. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code, is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + return self.ok + + def __iter__(self): + """Allows you to use a response as an iterator.""" + return self.iter_content(128) + + @property + def ok(self): + """Returns True if :attr:`status_code` is less than 400, False if not. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + try: + self.raise_for_status() + except HTTPError: + return False + return True + + @property + def is_redirect(self): + """True if this Response is a well-formed HTTP redirect that could have + been processed automatically (by :meth:`Session.resolve_redirects`). + """ + return ('location' in self.headers and self.status_code in REDIRECT_STATI) + + @property + def is_permanent_redirect(self): + """True if this Response one of the permanent versions of redirect.""" + return ('location' in self.headers and self.status_code in (codes.moved_permanently, codes.permanent_redirect)) + + @property + def next(self): + """Returns a PreparedRequest for the next request in a redirect chain, if there is one.""" + return self._next + + @property + def apparent_encoding(self): + """The apparent encoding, provided by the chardet library.""" + return chardet.detect(self.content)['encoding'] + + def iter_content(self, chunk_size=1, decode_unicode=False): + """Iterates over the response data. When stream=True is set on the + request, this avoids reading the content at once into memory for + large responses. The chunk size is the number of bytes it should + read into memory. This is not necessarily the length of each item + returned as decoding can take place. + + chunk_size must be of type int or None. A value of None will + function differently depending on the value of `stream`. + stream=True will read data as it arrives in whatever size the + chunks are received. If stream=False, data is returned as + a single chunk. + + If decode_unicode is True, content will be decoded using the best + available encoding based on the response. + """ + + def generate(): + # Special case for urllib3. + if hasattr(self.raw, 'stream'): + try: + for chunk in self.raw.stream(chunk_size, decode_content=True): + yield chunk + except ProtocolError as e: + raise ChunkedEncodingError(e) + except DecodeError as e: + raise ContentDecodingError(e) + except ReadTimeoutError as e: + raise ConnectionError(e) + else: + # Standard file-like object. + while True: + chunk = self.raw.read(chunk_size) + if not chunk: + break + yield chunk + + self._content_consumed = True + + if self._content_consumed and isinstance(self._content, bool): + raise StreamConsumedError() + elif chunk_size is not None and not isinstance(chunk_size, int): + raise TypeError("chunk_size must be an int, it is instead a %s." % type(chunk_size)) + # simulate reading small chunks of the content + reused_chunks = iter_slices(self._content, chunk_size) + + stream_chunks = generate() + + chunks = reused_chunks if self._content_consumed else stream_chunks + + if decode_unicode: + chunks = stream_decode_response_unicode(chunks, self) + + return chunks + + def iter_lines(self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=False, delimiter=None): + """Iterates over the response data, one line at a time. When + stream=True is set on the request, this avoids reading the + content at once into memory for large responses. + + .. note:: This method is not reentrant safe. + """ + + pending = None + + for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode): + + if pending is not None: + chunk = pending + chunk + + if delimiter: + lines = chunk.split(delimiter) + else: + lines = chunk.splitlines() + + if lines and lines[-1] and chunk and lines[-1][-1] == chunk[-1]: + pending = lines.pop() + else: + pending = None + + for line in lines: + yield line + + if pending is not None: + yield pending + + @property + def content(self): + """Content of the response, in bytes.""" + + if self._content is False: + # Read the contents. + if self._content_consumed: + raise RuntimeError( + 'The content for this response was already consumed') + + if self.status_code == 0 or self.raw is None: + self._content = None + else: + self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b'' + + self._content_consumed = True + # don't need to release the connection; that's been handled by urllib3 + # since we exhausted the data. + return self._content + + @property + def text(self): + """Content of the response, in unicode. + + If Response.encoding is None, encoding will be guessed using + ``chardet``. + + The encoding of the response content is determined based solely on HTTP + headers, following RFC 2616 to the letter. If you can take advantage of + non-HTTP knowledge to make a better guess at the encoding, you should + set ``r.encoding`` appropriately before accessing this property. + """ + + # Try charset from content-type + content = None + encoding = self.encoding + + if not self.content: + return str('') + + # Fallback to auto-detected encoding. + if self.encoding is None: + encoding = self.apparent_encoding + + # Decode unicode from given encoding. + try: + content = str(self.content, encoding, errors='replace') + except (LookupError, TypeError): + # A LookupError is raised if the encoding was not found which could + # indicate a misspelling or similar mistake. + # + # A TypeError can be raised if encoding is None + # + # So we try blindly encoding. + content = str(self.content, errors='replace') + + return content + + def json(self, **kwargs): + r"""Returns the json-encoded content of a response, if any. + + :param \*\*kwargs: Optional arguments that ``json.loads`` takes. + :raises ValueError: If the response body does not contain valid json. + """ + + if not self.encoding and self.content and len(self.content) > 3: + # No encoding set. JSON RFC 4627 section 3 states we should expect + # UTF-8, -16 or -32. Detect which one to use; If the detection or + # decoding fails, fall back to `self.text` (using chardet to make + # a best guess). + encoding = guess_json_utf(self.content) + if encoding is not None: + try: + return complexjson.loads( + self.content.decode(encoding), **kwargs + ) + except UnicodeDecodeError: + # Wrong UTF codec detected; usually because it's not UTF-8 + # but some other 8-bit codec. This is an RFC violation, + # and the server didn't bother to tell us what codec *was* + # used. + pass + return complexjson.loads(self.text, **kwargs) + + @property + def links(self): + """Returns the parsed header links of the response, if any.""" + + header = self.headers.get('link') + + # l = MultiDict() + l = {} + + if header: + links = parse_header_links(header) + + for link in links: + key = link.get('rel') or link.get('url') + l[key] = link + + return l + + def raise_for_status(self): + """Raises stored :class:`HTTPError`, if one occurred.""" + + http_error_msg = '' + if isinstance(self.reason, bytes): + # We attempt to decode utf-8 first because some servers + # choose to localize their reason strings. If the string + # isn't utf-8, we fall back to iso-8859-1 for all other + # encodings. (See PR #3538) + try: + reason = self.reason.decode('utf-8') + except UnicodeDecodeError: + reason = self.reason.decode('iso-8859-1') + else: + reason = self.reason + + if 400 <= self.status_code < 500: + http_error_msg = u'%s Client Error: %s for url: %s' % (self.status_code, reason, self.url) + + elif 500 <= self.status_code < 600: + http_error_msg = u'%s Server Error: %s for url: %s' % (self.status_code, reason, self.url) + + if http_error_msg: + raise HTTPError(http_error_msg, response=self) + + def close(self): + """Releases the connection back to the pool. Once this method has been + called the underlying ``raw`` object must not be accessed again. + + *Note: Should not normally need to be called explicitly.* + """ + if not self._content_consumed: + self.raw.close() + + release_conn = getattr(self.raw, 'release_conn', None) + if release_conn is not None: + release_conn() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/packages.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/packages.py new file mode 100644 index 0000000..9582fa7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/packages.py @@ -0,0 +1,16 @@ +import sys + +# This code exists for backwards compatibility reasons. +# I don't like it either. Just look the other way. :) + +for package in ('urllib3', 'idna', 'chardet'): + vendored_package = "pip._vendor." + package + locals()[package] = __import__(vendored_package) + # This traversal is apparently necessary such that the identities are + # preserved (requests.packages.urllib3.* is urllib3.*) + for mod in list(sys.modules): + if mod == vendored_package or mod.startswith(vendored_package + '.'): + unprefixed_mod = mod[len("pip._vendor."):] + sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod] + +# Kinda cool, though, right? diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/sessions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/sessions.py new file mode 100644 index 0000000..d73d700 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/sessions.py @@ -0,0 +1,770 @@ +# -*- coding: utf-8 -*- + +""" +requests.session +~~~~~~~~~~~~~~~~ + +This module provides a Session object to manage and persist settings across +requests (cookies, auth, proxies). +""" +import os +import sys +import time +from datetime import timedelta + +from .auth import _basic_auth_str +from .compat import cookielib, is_py3, OrderedDict, urljoin, urlparse, Mapping +from .cookies import ( + cookiejar_from_dict, extract_cookies_to_jar, RequestsCookieJar, merge_cookies) +from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT +from .hooks import default_hooks, dispatch_hook +from ._internal_utils import to_native_string +from .utils import to_key_val_list, default_headers, DEFAULT_PORTS +from .exceptions import ( + TooManyRedirects, InvalidSchema, ChunkedEncodingError, ContentDecodingError) + +from .structures import CaseInsensitiveDict +from .adapters import HTTPAdapter + +from .utils import ( + requote_uri, get_environ_proxies, get_netrc_auth, should_bypass_proxies, + get_auth_from_url, rewind_body +) + +from .status_codes import codes + +# formerly defined here, reexposed here for backward compatibility +from .models import REDIRECT_STATI + +# Preferred clock, based on which one is more accurate on a given system. +if sys.platform == 'win32': + try: # Python 3.4+ + preferred_clock = time.perf_counter + except AttributeError: # Earlier than Python 3. + preferred_clock = time.clock +else: + preferred_clock = time.time + + +def merge_setting(request_setting, session_setting, dict_class=OrderedDict): + """Determines appropriate setting for a given request, taking into account + the explicit setting on that request, and the setting in the session. If a + setting is a dictionary, they will be merged together using `dict_class` + """ + + if session_setting is None: + return request_setting + + if request_setting is None: + return session_setting + + # Bypass if not a dictionary (e.g. verify) + if not ( + isinstance(session_setting, Mapping) and + isinstance(request_setting, Mapping) + ): + return request_setting + + merged_setting = dict_class(to_key_val_list(session_setting)) + merged_setting.update(to_key_val_list(request_setting)) + + # Remove keys that are set to None. Extract keys first to avoid altering + # the dictionary during iteration. + none_keys = [k for (k, v) in merged_setting.items() if v is None] + for key in none_keys: + del merged_setting[key] + + return merged_setting + + +def merge_hooks(request_hooks, session_hooks, dict_class=OrderedDict): + """Properly merges both requests and session hooks. + + This is necessary because when request_hooks == {'response': []}, the + merge breaks Session hooks entirely. + """ + if session_hooks is None or session_hooks.get('response') == []: + return request_hooks + + if request_hooks is None or request_hooks.get('response') == []: + return session_hooks + + return merge_setting(request_hooks, session_hooks, dict_class) + + +class SessionRedirectMixin(object): + + def get_redirect_target(self, resp): + """Receives a Response. Returns a redirect URI or ``None``""" + # Due to the nature of how requests processes redirects this method will + # be called at least once upon the original response and at least twice + # on each subsequent redirect response (if any). + # If a custom mixin is used to handle this logic, it may be advantageous + # to cache the redirect location onto the response object as a private + # attribute. + if resp.is_redirect: + location = resp.headers['location'] + # Currently the underlying http module on py3 decode headers + # in latin1, but empirical evidence suggests that latin1 is very + # rarely used with non-ASCII characters in HTTP headers. + # It is more likely to get UTF8 header rather than latin1. + # This causes incorrect handling of UTF8 encoded location headers. + # To solve this, we re-encode the location in latin1. + if is_py3: + location = location.encode('latin1') + return to_native_string(location, 'utf8') + return None + + def should_strip_auth(self, old_url, new_url): + """Decide whether Authorization header should be removed when redirecting""" + old_parsed = urlparse(old_url) + new_parsed = urlparse(new_url) + if old_parsed.hostname != new_parsed.hostname: + return True + # Special case: allow http -> https redirect when using the standard + # ports. This isn't specified by RFC 7235, but is kept to avoid + # breaking backwards compatibility with older versions of requests + # that allowed any redirects on the same host. + if (old_parsed.scheme == 'http' and old_parsed.port in (80, None) + and new_parsed.scheme == 'https' and new_parsed.port in (443, None)): + return False + + # Handle default port usage corresponding to scheme. + changed_port = old_parsed.port != new_parsed.port + changed_scheme = old_parsed.scheme != new_parsed.scheme + default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None) + if (not changed_scheme and old_parsed.port in default_port + and new_parsed.port in default_port): + return False + + # Standard case: root URI must match + return changed_port or changed_scheme + + def resolve_redirects(self, resp, req, stream=False, timeout=None, + verify=True, cert=None, proxies=None, yield_requests=False, **adapter_kwargs): + """Receives a Response. Returns a generator of Responses or Requests.""" + + hist = [] # keep track of history + + url = self.get_redirect_target(resp) + previous_fragment = urlparse(req.url).fragment + while url: + prepared_request = req.copy() + + # Update history and keep track of redirects. + # resp.history must ignore the original request in this loop + hist.append(resp) + resp.history = hist[1:] + + try: + resp.content # Consume socket so it can be released + except (ChunkedEncodingError, ContentDecodingError, RuntimeError): + resp.raw.read(decode_content=False) + + if len(resp.history) >= self.max_redirects: + raise TooManyRedirects('Exceeded %s redirects.' % self.max_redirects, response=resp) + + # Release the connection back into the pool. + resp.close() + + # Handle redirection without scheme (see: RFC 1808 Section 4) + if url.startswith('//'): + parsed_rurl = urlparse(resp.url) + url = '%s:%s' % (to_native_string(parsed_rurl.scheme), url) + + # Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2) + parsed = urlparse(url) + if parsed.fragment == '' and previous_fragment: + parsed = parsed._replace(fragment=previous_fragment) + elif parsed.fragment: + previous_fragment = parsed.fragment + url = parsed.geturl() + + # Facilitate relative 'location' headers, as allowed by RFC 7231. + # (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource') + # Compliant with RFC3986, we percent encode the url. + if not parsed.netloc: + url = urljoin(resp.url, requote_uri(url)) + else: + url = requote_uri(url) + + prepared_request.url = to_native_string(url) + + self.rebuild_method(prepared_request, resp) + + # https://github.com/requests/requests/issues/1084 + if resp.status_code not in (codes.temporary_redirect, codes.permanent_redirect): + # https://github.com/requests/requests/issues/3490 + purged_headers = ('Content-Length', 'Content-Type', 'Transfer-Encoding') + for header in purged_headers: + prepared_request.headers.pop(header, None) + prepared_request.body = None + + headers = prepared_request.headers + try: + del headers['Cookie'] + except KeyError: + pass + + # Extract any cookies sent on the response to the cookiejar + # in the new request. Because we've mutated our copied prepared + # request, use the old one that we haven't yet touched. + extract_cookies_to_jar(prepared_request._cookies, req, resp.raw) + merge_cookies(prepared_request._cookies, self.cookies) + prepared_request.prepare_cookies(prepared_request._cookies) + + # Rebuild auth and proxy information. + proxies = self.rebuild_proxies(prepared_request, proxies) + self.rebuild_auth(prepared_request, resp) + + # A failed tell() sets `_body_position` to `object()`. This non-None + # value ensures `rewindable` will be True, allowing us to raise an + # UnrewindableBodyError, instead of hanging the connection. + rewindable = ( + prepared_request._body_position is not None and + ('Content-Length' in headers or 'Transfer-Encoding' in headers) + ) + + # Attempt to rewind consumed file-like object. + if rewindable: + rewind_body(prepared_request) + + # Override the original request. + req = prepared_request + + if yield_requests: + yield req + else: + + resp = self.send( + req, + stream=stream, + timeout=timeout, + verify=verify, + cert=cert, + proxies=proxies, + allow_redirects=False, + **adapter_kwargs + ) + + extract_cookies_to_jar(self.cookies, prepared_request, resp.raw) + + # extract redirect url, if any, for the next loop + url = self.get_redirect_target(resp) + yield resp + + def rebuild_auth(self, prepared_request, response): + """When being redirected we may want to strip authentication from the + request to avoid leaking credentials. This method intelligently removes + and reapplies authentication where possible to avoid credential loss. + """ + headers = prepared_request.headers + url = prepared_request.url + + if 'Authorization' in headers and self.should_strip_auth(response.request.url, url): + # If we get redirected to a new host, we should strip out any + # authentication headers. + del headers['Authorization'] + + # .netrc might have more auth for us on our new host. + new_auth = get_netrc_auth(url) if self.trust_env else None + if new_auth is not None: + prepared_request.prepare_auth(new_auth) + + return + + def rebuild_proxies(self, prepared_request, proxies): + """This method re-evaluates the proxy configuration by considering the + environment variables. If we are redirected to a URL covered by + NO_PROXY, we strip the proxy configuration. Otherwise, we set missing + proxy keys for this URL (in case they were stripped by a previous + redirect). + + This method also replaces the Proxy-Authorization header where + necessary. + + :rtype: dict + """ + proxies = proxies if proxies is not None else {} + headers = prepared_request.headers + url = prepared_request.url + scheme = urlparse(url).scheme + new_proxies = proxies.copy() + no_proxy = proxies.get('no_proxy') + + bypass_proxy = should_bypass_proxies(url, no_proxy=no_proxy) + if self.trust_env and not bypass_proxy: + environ_proxies = get_environ_proxies(url, no_proxy=no_proxy) + + proxy = environ_proxies.get(scheme, environ_proxies.get('all')) + + if proxy: + new_proxies.setdefault(scheme, proxy) + + if 'Proxy-Authorization' in headers: + del headers['Proxy-Authorization'] + + try: + username, password = get_auth_from_url(new_proxies[scheme]) + except KeyError: + username, password = None, None + + if username and password: + headers['Proxy-Authorization'] = _basic_auth_str(username, password) + + return new_proxies + + def rebuild_method(self, prepared_request, response): + """When being redirected we may want to change the method of the request + based on certain specs or browser behavior. + """ + method = prepared_request.method + + # https://tools.ietf.org/html/rfc7231#section-6.4.4 + if response.status_code == codes.see_other and method != 'HEAD': + method = 'GET' + + # Do what the browsers do, despite standards... + # First, turn 302s into GETs. + if response.status_code == codes.found and method != 'HEAD': + method = 'GET' + + # Second, if a POST is responded to with a 301, turn it into a GET. + # This bizarre behaviour is explained in Issue 1704. + if response.status_code == codes.moved and method == 'POST': + method = 'GET' + + prepared_request.method = method + + +class Session(SessionRedirectMixin): + """A Requests session. + + Provides cookie persistence, connection-pooling, and configuration. + + Basic Usage:: + + >>> import requests + >>> s = requests.Session() + >>> s.get('https://httpbin.org/get') + <Response [200]> + + Or as a context manager:: + + >>> with requests.Session() as s: + >>> s.get('https://httpbin.org/get') + <Response [200]> + """ + + __attrs__ = [ + 'headers', 'cookies', 'auth', 'proxies', 'hooks', 'params', 'verify', + 'cert', 'prefetch', 'adapters', 'stream', 'trust_env', + 'max_redirects', + ] + + def __init__(self): + + #: A case-insensitive dictionary of headers to be sent on each + #: :class:`Request <Request>` sent from this + #: :class:`Session <Session>`. + self.headers = default_headers() + + #: Default Authentication tuple or object to attach to + #: :class:`Request <Request>`. + self.auth = None + + #: Dictionary mapping protocol or protocol and host to the URL of the proxy + #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to + #: be used on each :class:`Request <Request>`. + self.proxies = {} + + #: Event-handling hooks. + self.hooks = default_hooks() + + #: Dictionary of querystring data to attach to each + #: :class:`Request <Request>`. The dictionary values may be lists for + #: representing multivalued query parameters. + self.params = {} + + #: Stream response content default. + self.stream = False + + #: SSL Verification default. + self.verify = True + + #: SSL client certificate default, if String, path to ssl client + #: cert file (.pem). If Tuple, ('cert', 'key') pair. + self.cert = None + + #: Maximum number of redirects allowed. If the request exceeds this + #: limit, a :class:`TooManyRedirects` exception is raised. + #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is + #: 30. + self.max_redirects = DEFAULT_REDIRECT_LIMIT + + #: Trust environment settings for proxy configuration, default + #: authentication and similar. + self.trust_env = True + + #: A CookieJar containing all currently outstanding cookies set on this + #: session. By default it is a + #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but + #: may be any other ``cookielib.CookieJar`` compatible object. + self.cookies = cookiejar_from_dict({}) + + # Default connection adapters. + self.adapters = OrderedDict() + self.mount('https://', HTTPAdapter()) + self.mount('http://', HTTPAdapter()) + + def __enter__(self): + return self + + def __exit__(self, *args): + self.close() + + def prepare_request(self, request): + """Constructs a :class:`PreparedRequest <PreparedRequest>` for + transmission and returns it. The :class:`PreparedRequest` has settings + merged from the :class:`Request <Request>` instance and those of the + :class:`Session`. + + :param request: :class:`Request` instance to prepare with this + session's settings. + :rtype: requests.PreparedRequest + """ + cookies = request.cookies or {} + + # Bootstrap CookieJar. + if not isinstance(cookies, cookielib.CookieJar): + cookies = cookiejar_from_dict(cookies) + + # Merge with session cookies + merged_cookies = merge_cookies( + merge_cookies(RequestsCookieJar(), self.cookies), cookies) + + # Set environment's basic authentication if not explicitly set. + auth = request.auth + if self.trust_env and not auth and not self.auth: + auth = get_netrc_auth(request.url) + + p = PreparedRequest() + p.prepare( + method=request.method.upper(), + url=request.url, + files=request.files, + data=request.data, + json=request.json, + headers=merge_setting(request.headers, self.headers, dict_class=CaseInsensitiveDict), + params=merge_setting(request.params, self.params), + auth=merge_setting(auth, self.auth), + cookies=merged_cookies, + hooks=merge_hooks(request.hooks, self.hooks), + ) + return p + + def request(self, method, url, + params=None, data=None, headers=None, cookies=None, files=None, + auth=None, timeout=None, allow_redirects=True, proxies=None, + hooks=None, stream=None, verify=None, cert=None, json=None): + """Constructs a :class:`Request <Request>`, prepares it and sends it. + Returns :class:`Response <Response>` object. + + :param method: method for the new :class:`Request` object. + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary or bytes to be sent in the query + string for the :class:`Request`. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json to send in the body of the + :class:`Request`. + :param headers: (optional) Dictionary of HTTP Headers to send with the + :class:`Request`. + :param cookies: (optional) Dict or CookieJar object to send with the + :class:`Request`. + :param files: (optional) Dictionary of ``'filename': file-like-objects`` + for multipart encoding upload. + :param auth: (optional) Auth tuple or callable to enable + Basic/Digest/Custom HTTP Auth. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param allow_redirects: (optional) Set to True by default. + :type allow_redirects: bool + :param proxies: (optional) Dictionary mapping protocol or protocol and + hostname to the URL of the proxy. + :param stream: (optional) whether to immediately download the response + content. Defaults to ``False``. + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use. Defaults to ``True``. + :param cert: (optional) if String, path to ssl client cert file (.pem). + If Tuple, ('cert', 'key') pair. + :rtype: requests.Response + """ + # Create the Request. + req = Request( + method=method.upper(), + url=url, + headers=headers, + files=files, + data=data or {}, + json=json, + params=params or {}, + auth=auth, + cookies=cookies, + hooks=hooks, + ) + prep = self.prepare_request(req) + + proxies = proxies or {} + + settings = self.merge_environment_settings( + prep.url, proxies, stream, verify, cert + ) + + # Send the request. + send_kwargs = { + 'timeout': timeout, + 'allow_redirects': allow_redirects, + } + send_kwargs.update(settings) + resp = self.send(prep, **send_kwargs) + + return resp + + def get(self, url, **kwargs): + r"""Sends a GET request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return self.request('GET', url, **kwargs) + + def options(self, url, **kwargs): + r"""Sends a OPTIONS request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return self.request('OPTIONS', url, **kwargs) + + def head(self, url, **kwargs): + r"""Sends a HEAD request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', False) + return self.request('HEAD', url, **kwargs) + + def post(self, url, data=None, json=None, **kwargs): + r"""Sends a POST request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('POST', url, data=data, json=json, **kwargs) + + def put(self, url, data=None, **kwargs): + r"""Sends a PUT request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('PUT', url, data=data, **kwargs) + + def patch(self, url, data=None, **kwargs): + r"""Sends a PATCH request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('PATCH', url, data=data, **kwargs) + + def delete(self, url, **kwargs): + r"""Sends a DELETE request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('DELETE', url, **kwargs) + + def send(self, request, **kwargs): + """Send a given PreparedRequest. + + :rtype: requests.Response + """ + # Set defaults that the hooks can utilize to ensure they always have + # the correct parameters to reproduce the previous request. + kwargs.setdefault('stream', self.stream) + kwargs.setdefault('verify', self.verify) + kwargs.setdefault('cert', self.cert) + kwargs.setdefault('proxies', self.proxies) + + # It's possible that users might accidentally send a Request object. + # Guard against that specific failure case. + if isinstance(request, Request): + raise ValueError('You can only send PreparedRequests.') + + # Set up variables needed for resolve_redirects and dispatching of hooks + allow_redirects = kwargs.pop('allow_redirects', True) + stream = kwargs.get('stream') + hooks = request.hooks + + # Get the appropriate adapter to use + adapter = self.get_adapter(url=request.url) + + # Start time (approximately) of the request + start = preferred_clock() + + # Send the request + r = adapter.send(request, **kwargs) + + # Total elapsed time of the request (approximately) + elapsed = preferred_clock() - start + r.elapsed = timedelta(seconds=elapsed) + + # Response manipulation hooks + r = dispatch_hook('response', hooks, r, **kwargs) + + # Persist cookies + if r.history: + + # If the hooks create history then we want those cookies too + for resp in r.history: + extract_cookies_to_jar(self.cookies, resp.request, resp.raw) + + extract_cookies_to_jar(self.cookies, request, r.raw) + + # Redirect resolving generator. + gen = self.resolve_redirects(r, request, **kwargs) + + # Resolve redirects if allowed. + history = [resp for resp in gen] if allow_redirects else [] + + # Shuffle things around if there's history. + if history: + # Insert the first (original) request at the start + history.insert(0, r) + # Get the last request made + r = history.pop() + r.history = history + + # If redirects aren't being followed, store the response on the Request for Response.next(). + if not allow_redirects: + try: + r._next = next(self.resolve_redirects(r, request, yield_requests=True, **kwargs)) + except StopIteration: + pass + + if not stream: + r.content + + return r + + def merge_environment_settings(self, url, proxies, stream, verify, cert): + """ + Check the environment and merge it with some settings. + + :rtype: dict + """ + # Gather clues from the surrounding environment. + if self.trust_env: + # Set environment's proxies. + no_proxy = proxies.get('no_proxy') if proxies is not None else None + env_proxies = get_environ_proxies(url, no_proxy=no_proxy) + for (k, v) in env_proxies.items(): + proxies.setdefault(k, v) + + # Look for requests environment configuration and be compatible + # with cURL. + if verify is True or verify is None: + verify = (os.environ.get('REQUESTS_CA_BUNDLE') or + os.environ.get('CURL_CA_BUNDLE')) + + # Merge all the kwargs. + proxies = merge_setting(proxies, self.proxies) + stream = merge_setting(stream, self.stream) + verify = merge_setting(verify, self.verify) + cert = merge_setting(cert, self.cert) + + return {'verify': verify, 'proxies': proxies, 'stream': stream, + 'cert': cert} + + def get_adapter(self, url): + """ + Returns the appropriate connection adapter for the given URL. + + :rtype: requests.adapters.BaseAdapter + """ + for (prefix, adapter) in self.adapters.items(): + + if url.lower().startswith(prefix.lower()): + return adapter + + # Nothing matches :-/ + raise InvalidSchema("No connection adapters were found for '%s'" % url) + + def close(self): + """Closes all adapters and as such the session""" + for v in self.adapters.values(): + v.close() + + def mount(self, prefix, adapter): + """Registers a connection adapter to a prefix. + + Adapters are sorted in descending order by prefix length. + """ + self.adapters[prefix] = adapter + keys_to_move = [k for k in self.adapters if len(k) < len(prefix)] + + for key in keys_to_move: + self.adapters[key] = self.adapters.pop(key) + + def __getstate__(self): + state = {attr: getattr(self, attr, None) for attr in self.__attrs__} + return state + + def __setstate__(self, state): + for attr, value in state.items(): + setattr(self, attr, value) + + +def session(): + """ + Returns a :class:`Session` for context-management. + + .. deprecated:: 1.0.0 + + This method has been deprecated since version 1.0.0 and is only kept for + backwards compatibility. New code should use :class:`~requests.sessions.Session` + to create a session. This may be removed at a future date. + + :rtype: Session + """ + return Session() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/status_codes.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/status_codes.py new file mode 100644 index 0000000..813e8c4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/status_codes.py @@ -0,0 +1,120 @@ +# -*- coding: utf-8 -*- + +r""" +The ``codes`` object defines a mapping from common names for HTTP statuses +to their numerical codes, accessible either as attributes or as dictionary +items. + +>>> requests.codes['temporary_redirect'] +307 +>>> requests.codes.teapot +418 +>>> requests.codes['\o/'] +200 + +Some codes have multiple names, and both upper- and lower-case versions of +the names are allowed. For example, ``codes.ok``, ``codes.OK``, and +``codes.okay`` all correspond to the HTTP status code 200. +""" + +from .structures import LookupDict + +_codes = { + + # Informational. + 100: ('continue',), + 101: ('switching_protocols',), + 102: ('processing',), + 103: ('checkpoint',), + 122: ('uri_too_long', 'request_uri_too_long'), + 200: ('ok', 'okay', 'all_ok', 'all_okay', 'all_good', '\\o/', '✓'), + 201: ('created',), + 202: ('accepted',), + 203: ('non_authoritative_info', 'non_authoritative_information'), + 204: ('no_content',), + 205: ('reset_content', 'reset'), + 206: ('partial_content', 'partial'), + 207: ('multi_status', 'multiple_status', 'multi_stati', 'multiple_stati'), + 208: ('already_reported',), + 226: ('im_used',), + + # Redirection. + 300: ('multiple_choices',), + 301: ('moved_permanently', 'moved', '\\o-'), + 302: ('found',), + 303: ('see_other', 'other'), + 304: ('not_modified',), + 305: ('use_proxy',), + 306: ('switch_proxy',), + 307: ('temporary_redirect', 'temporary_moved', 'temporary'), + 308: ('permanent_redirect', + 'resume_incomplete', 'resume',), # These 2 to be removed in 3.0 + + # Client Error. + 400: ('bad_request', 'bad'), + 401: ('unauthorized',), + 402: ('payment_required', 'payment'), + 403: ('forbidden',), + 404: ('not_found', '-o-'), + 405: ('method_not_allowed', 'not_allowed'), + 406: ('not_acceptable',), + 407: ('proxy_authentication_required', 'proxy_auth', 'proxy_authentication'), + 408: ('request_timeout', 'timeout'), + 409: ('conflict',), + 410: ('gone',), + 411: ('length_required',), + 412: ('precondition_failed', 'precondition'), + 413: ('request_entity_too_large',), + 414: ('request_uri_too_large',), + 415: ('unsupported_media_type', 'unsupported_media', 'media_type'), + 416: ('requested_range_not_satisfiable', 'requested_range', 'range_not_satisfiable'), + 417: ('expectation_failed',), + 418: ('im_a_teapot', 'teapot', 'i_am_a_teapot'), + 421: ('misdirected_request',), + 422: ('unprocessable_entity', 'unprocessable'), + 423: ('locked',), + 424: ('failed_dependency', 'dependency'), + 425: ('unordered_collection', 'unordered'), + 426: ('upgrade_required', 'upgrade'), + 428: ('precondition_required', 'precondition'), + 429: ('too_many_requests', 'too_many'), + 431: ('header_fields_too_large', 'fields_too_large'), + 444: ('no_response', 'none'), + 449: ('retry_with', 'retry'), + 450: ('blocked_by_windows_parental_controls', 'parental_controls'), + 451: ('unavailable_for_legal_reasons', 'legal_reasons'), + 499: ('client_closed_request',), + + # Server Error. + 500: ('internal_server_error', 'server_error', '/o\\', '✗'), + 501: ('not_implemented',), + 502: ('bad_gateway',), + 503: ('service_unavailable', 'unavailable'), + 504: ('gateway_timeout',), + 505: ('http_version_not_supported', 'http_version'), + 506: ('variant_also_negotiates',), + 507: ('insufficient_storage',), + 509: ('bandwidth_limit_exceeded', 'bandwidth'), + 510: ('not_extended',), + 511: ('network_authentication_required', 'network_auth', 'network_authentication'), +} + +codes = LookupDict(name='status_codes') + +def _init(): + for code, titles in _codes.items(): + for title in titles: + setattr(codes, title, code) + if not title.startswith(('\\', '/')): + setattr(codes, title.upper(), code) + + def doc(code): + names = ', '.join('``%s``' % n for n in _codes[code]) + return '* %d: %s' % (code, names) + + global __doc__ + __doc__ = (__doc__ + '\n' + + '\n'.join(doc(code) for code in sorted(_codes)) + if __doc__ is not None else None) + +_init() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/structures.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/structures.py new file mode 100644 index 0000000..da930e2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/structures.py @@ -0,0 +1,103 @@ +# -*- coding: utf-8 -*- + +""" +requests.structures +~~~~~~~~~~~~~~~~~~~ + +Data structures that power Requests. +""" + +from .compat import OrderedDict, Mapping, MutableMapping + + +class CaseInsensitiveDict(MutableMapping): + """A case-insensitive ``dict``-like object. + + Implements all methods and operations of + ``MutableMapping`` as well as dict's ``copy``. Also + provides ``lower_items``. + + All keys are expected to be strings. The structure remembers the + case of the last key to be set, and ``iter(instance)``, + ``keys()``, ``items()``, ``iterkeys()``, and ``iteritems()`` + will contain case-sensitive keys. However, querying and contains + testing is case insensitive:: + + cid = CaseInsensitiveDict() + cid['Accept'] = 'application/json' + cid['aCCEPT'] == 'application/json' # True + list(cid) == ['Accept'] # True + + For example, ``headers['content-encoding']`` will return the + value of a ``'Content-Encoding'`` response header, regardless + of how the header name was originally stored. + + If the constructor, ``.update``, or equality comparison + operations are given keys that have equal ``.lower()``s, the + behavior is undefined. + """ + + def __init__(self, data=None, **kwargs): + self._store = OrderedDict() + if data is None: + data = {} + self.update(data, **kwargs) + + def __setitem__(self, key, value): + # Use the lowercased key for lookups, but store the actual + # key alongside the value. + self._store[key.lower()] = (key, value) + + def __getitem__(self, key): + return self._store[key.lower()][1] + + def __delitem__(self, key): + del self._store[key.lower()] + + def __iter__(self): + return (casedkey for casedkey, mappedvalue in self._store.values()) + + def __len__(self): + return len(self._store) + + def lower_items(self): + """Like iteritems(), but with all lowercase keys.""" + return ( + (lowerkey, keyval[1]) + for (lowerkey, keyval) + in self._store.items() + ) + + def __eq__(self, other): + if isinstance(other, Mapping): + other = CaseInsensitiveDict(other) + else: + return NotImplemented + # Compare insensitively + return dict(self.lower_items()) == dict(other.lower_items()) + + # Copy is required + def copy(self): + return CaseInsensitiveDict(self._store.values()) + + def __repr__(self): + return str(dict(self.items())) + + +class LookupDict(dict): + """Dictionary lookup object.""" + + def __init__(self, name=None): + self.name = name + super(LookupDict, self).__init__() + + def __repr__(self): + return '<lookup \'%s\'>' % (self.name) + + def __getitem__(self, key): + # We allow fall-through here, so values default to None + + return self.__dict__.get(key, None) + + def get(self, key, default=None): + return self.__dict__.get(key, default) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/utils.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/utils.py new file mode 100644 index 0000000..8170a8d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/requests/utils.py @@ -0,0 +1,977 @@ +# -*- coding: utf-8 -*- + +""" +requests.utils +~~~~~~~~~~~~~~ + +This module provides utility functions that are used within Requests +that are also useful for external consumption. +""" + +import codecs +import contextlib +import io +import os +import re +import socket +import struct +import sys +import tempfile +import warnings +import zipfile + +from .__version__ import __version__ +from . import certs +# to_native_string is unused here, but imported here for backwards compatibility +from ._internal_utils import to_native_string +from .compat import parse_http_list as _parse_list_header +from .compat import ( + quote, urlparse, bytes, str, OrderedDict, unquote, getproxies, + proxy_bypass, urlunparse, basestring, integer_types, is_py3, + proxy_bypass_environment, getproxies_environment, Mapping) +from .cookies import cookiejar_from_dict +from .structures import CaseInsensitiveDict +from .exceptions import ( + InvalidURL, InvalidHeader, FileModeWarning, UnrewindableBodyError) + +NETRC_FILES = ('.netrc', '_netrc') + +DEFAULT_CA_BUNDLE_PATH = certs.where() + +DEFAULT_PORTS = {'http': 80, 'https': 443} + + +if sys.platform == 'win32': + # provide a proxy_bypass version on Windows without DNS lookups + + def proxy_bypass_registry(host): + try: + if is_py3: + import winreg + else: + import _winreg as winreg + except ImportError: + return False + + try: + internetSettings = winreg.OpenKey(winreg.HKEY_CURRENT_USER, + r'Software\Microsoft\Windows\CurrentVersion\Internet Settings') + # ProxyEnable could be REG_SZ or REG_DWORD, normalizing it + proxyEnable = int(winreg.QueryValueEx(internetSettings, + 'ProxyEnable')[0]) + # ProxyOverride is almost always a string + proxyOverride = winreg.QueryValueEx(internetSettings, + 'ProxyOverride')[0] + except OSError: + return False + if not proxyEnable or not proxyOverride: + return False + + # make a check value list from the registry entry: replace the + # '<local>' string by the localhost entry and the corresponding + # canonical entry. + proxyOverride = proxyOverride.split(';') + # now check if we match one of the registry values. + for test in proxyOverride: + if test == '<local>': + if '.' not in host: + return True + test = test.replace(".", r"\.") # mask dots + test = test.replace("*", r".*") # change glob sequence + test = test.replace("?", r".") # change glob char + if re.match(test, host, re.I): + return True + return False + + def proxy_bypass(host): # noqa + """Return True, if the host should be bypassed. + + Checks proxy settings gathered from the environment, if specified, + or the registry. + """ + if getproxies_environment(): + return proxy_bypass_environment(host) + else: + return proxy_bypass_registry(host) + + +def dict_to_sequence(d): + """Returns an internal sequence dictionary update.""" + + if hasattr(d, 'items'): + d = d.items() + + return d + + +def super_len(o): + total_length = None + current_position = 0 + + if hasattr(o, '__len__'): + total_length = len(o) + + elif hasattr(o, 'len'): + total_length = o.len + + elif hasattr(o, 'fileno'): + try: + fileno = o.fileno() + except io.UnsupportedOperation: + pass + else: + total_length = os.fstat(fileno).st_size + + # Having used fstat to determine the file length, we need to + # confirm that this file was opened up in binary mode. + if 'b' not in o.mode: + warnings.warn(( + "Requests has determined the content-length for this " + "request using the binary size of the file: however, the " + "file has been opened in text mode (i.e. without the 'b' " + "flag in the mode). This may lead to an incorrect " + "content-length. In Requests 3.0, support will be removed " + "for files in text mode."), + FileModeWarning + ) + + if hasattr(o, 'tell'): + try: + current_position = o.tell() + except (OSError, IOError): + # This can happen in some weird situations, such as when the file + # is actually a special file descriptor like stdin. In this + # instance, we don't know what the length is, so set it to zero and + # let requests chunk it instead. + if total_length is not None: + current_position = total_length + else: + if hasattr(o, 'seek') and total_length is None: + # StringIO and BytesIO have seek but no useable fileno + try: + # seek to end of file + o.seek(0, 2) + total_length = o.tell() + + # seek back to current position to support + # partially read file-like objects + o.seek(current_position or 0) + except (OSError, IOError): + total_length = 0 + + if total_length is None: + total_length = 0 + + return max(0, total_length - current_position) + + +def get_netrc_auth(url, raise_errors=False): + """Returns the Requests tuple auth for a given url from netrc.""" + + try: + from netrc import netrc, NetrcParseError + + netrc_path = None + + for f in NETRC_FILES: + try: + loc = os.path.expanduser('~/{}'.format(f)) + except KeyError: + # os.path.expanduser can fail when $HOME is undefined and + # getpwuid fails. See https://bugs.python.org/issue20164 & + # https://github.com/requests/requests/issues/1846 + return + + if os.path.exists(loc): + netrc_path = loc + break + + # Abort early if there isn't one. + if netrc_path is None: + return + + ri = urlparse(url) + + # Strip port numbers from netloc. This weird `if...encode`` dance is + # used for Python 3.2, which doesn't support unicode literals. + splitstr = b':' + if isinstance(url, str): + splitstr = splitstr.decode('ascii') + host = ri.netloc.split(splitstr)[0] + + try: + _netrc = netrc(netrc_path).authenticators(host) + if _netrc: + # Return with login / password + login_i = (0 if _netrc[0] else 1) + return (_netrc[login_i], _netrc[2]) + except (NetrcParseError, IOError): + # If there was a parsing error or a permissions issue reading the file, + # we'll just skip netrc auth unless explicitly asked to raise errors. + if raise_errors: + raise + + # AppEngine hackiness. + except (ImportError, AttributeError): + pass + + +def guess_filename(obj): + """Tries to guess the filename of the given object.""" + name = getattr(obj, 'name', None) + if (name and isinstance(name, basestring) and name[0] != '<' and + name[-1] != '>'): + return os.path.basename(name) + + +def extract_zipped_paths(path): + """Replace nonexistent paths that look like they refer to a member of a zip + archive with the location of an extracted copy of the target, or else + just return the provided path unchanged. + """ + if os.path.exists(path): + # this is already a valid path, no need to do anything further + return path + + # find the first valid part of the provided path and treat that as a zip archive + # assume the rest of the path is the name of a member in the archive + archive, member = os.path.split(path) + while archive and not os.path.exists(archive): + archive, prefix = os.path.split(archive) + member = '/'.join([prefix, member]) + + if not zipfile.is_zipfile(archive): + return path + + zip_file = zipfile.ZipFile(archive) + if member not in zip_file.namelist(): + return path + + # we have a valid zip archive and a valid member of that archive + tmp = tempfile.gettempdir() + extracted_path = os.path.join(tmp, *member.split('/')) + if not os.path.exists(extracted_path): + extracted_path = zip_file.extract(member, path=tmp) + + return extracted_path + + +def from_key_val_list(value): + """Take an object and test to see if it can be represented as a + dictionary. Unless it can not be represented as such, return an + OrderedDict, e.g., + + :: + + >>> from_key_val_list([('key', 'val')]) + OrderedDict([('key', 'val')]) + >>> from_key_val_list('string') + ValueError: cannot encode objects that are not 2-tuples + >>> from_key_val_list({'key': 'val'}) + OrderedDict([('key', 'val')]) + + :rtype: OrderedDict + """ + if value is None: + return None + + if isinstance(value, (str, bytes, bool, int)): + raise ValueError('cannot encode objects that are not 2-tuples') + + return OrderedDict(value) + + +def to_key_val_list(value): + """Take an object and test to see if it can be represented as a + dictionary. If it can be, return a list of tuples, e.g., + + :: + + >>> to_key_val_list([('key', 'val')]) + [('key', 'val')] + >>> to_key_val_list({'key': 'val'}) + [('key', 'val')] + >>> to_key_val_list('string') + ValueError: cannot encode objects that are not 2-tuples. + + :rtype: list + """ + if value is None: + return None + + if isinstance(value, (str, bytes, bool, int)): + raise ValueError('cannot encode objects that are not 2-tuples') + + if isinstance(value, Mapping): + value = value.items() + + return list(value) + + +# From mitsuhiko/werkzeug (used with permission). +def parse_list_header(value): + """Parse lists as described by RFC 2068 Section 2. + + In particular, parse comma-separated lists where the elements of + the list may include quoted-strings. A quoted-string could + contain a comma. A non-quoted string could have quotes in the + middle. Quotes are removed automatically after parsing. + + It basically works like :func:`parse_set_header` just that items + may appear multiple times and case sensitivity is preserved. + + The return value is a standard :class:`list`: + + >>> parse_list_header('token, "quoted value"') + ['token', 'quoted value'] + + To create a header from the :class:`list` again, use the + :func:`dump_header` function. + + :param value: a string with a list header. + :return: :class:`list` + :rtype: list + """ + result = [] + for item in _parse_list_header(value): + if item[:1] == item[-1:] == '"': + item = unquote_header_value(item[1:-1]) + result.append(item) + return result + + +# From mitsuhiko/werkzeug (used with permission). +def parse_dict_header(value): + """Parse lists of key, value pairs as described by RFC 2068 Section 2 and + convert them into a python dict: + + >>> d = parse_dict_header('foo="is a fish", bar="as well"') + >>> type(d) is dict + True + >>> sorted(d.items()) + [('bar', 'as well'), ('foo', 'is a fish')] + + If there is no value for a key it will be `None`: + + >>> parse_dict_header('key_without_value') + {'key_without_value': None} + + To create a header from the :class:`dict` again, use the + :func:`dump_header` function. + + :param value: a string with a dict header. + :return: :class:`dict` + :rtype: dict + """ + result = {} + for item in _parse_list_header(value): + if '=' not in item: + result[item] = None + continue + name, value = item.split('=', 1) + if value[:1] == value[-1:] == '"': + value = unquote_header_value(value[1:-1]) + result[name] = value + return result + + +# From mitsuhiko/werkzeug (used with permission). +def unquote_header_value(value, is_filename=False): + r"""Unquotes a header value. (Reversal of :func:`quote_header_value`). + This does not use the real unquoting but what browsers are actually + using for quoting. + + :param value: the header value to unquote. + :rtype: str + """ + if value and value[0] == value[-1] == '"': + # this is not the real unquoting, but fixing this so that the + # RFC is met will result in bugs with internet explorer and + # probably some other browsers as well. IE for example is + # uploading files with "C:\foo\bar.txt" as filename + value = value[1:-1] + + # if this is a filename and the starting characters look like + # a UNC path, then just return the value without quotes. Using the + # replace sequence below on a UNC path has the effect of turning + # the leading double slash into a single slash and then + # _fix_ie_filename() doesn't work correctly. See #458. + if not is_filename or value[:2] != '\\\\': + return value.replace('\\\\', '\\').replace('\\"', '"') + return value + + +def dict_from_cookiejar(cj): + """Returns a key/value dictionary from a CookieJar. + + :param cj: CookieJar object to extract cookies from. + :rtype: dict + """ + + cookie_dict = {} + + for cookie in cj: + cookie_dict[cookie.name] = cookie.value + + return cookie_dict + + +def add_dict_to_cookiejar(cj, cookie_dict): + """Returns a CookieJar from a key/value dictionary. + + :param cj: CookieJar to insert cookies into. + :param cookie_dict: Dict of key/values to insert into CookieJar. + :rtype: CookieJar + """ + + return cookiejar_from_dict(cookie_dict, cj) + + +def get_encodings_from_content(content): + """Returns encodings from given content string. + + :param content: bytestring to extract encodings from. + """ + warnings.warn(( + 'In requests 3.0, get_encodings_from_content will be removed. For ' + 'more information, please see the discussion on issue #2266. (This' + ' warning should only appear once.)'), + DeprecationWarning) + + charset_re = re.compile(r'<meta.*?charset=["\']*(.+?)["\'>]', flags=re.I) + pragma_re = re.compile(r'<meta.*?content=["\']*;?charset=(.+?)["\'>]', flags=re.I) + xml_re = re.compile(r'^<\?xml.*?encoding=["\']*(.+?)["\'>]') + + return (charset_re.findall(content) + + pragma_re.findall(content) + + xml_re.findall(content)) + + +def _parse_content_type_header(header): + """Returns content type and parameters from given header + + :param header: string + :return: tuple containing content type and dictionary of + parameters + """ + + tokens = header.split(';') + content_type, params = tokens[0].strip(), tokens[1:] + params_dict = {} + items_to_strip = "\"' " + + for param in params: + param = param.strip() + if param: + key, value = param, True + index_of_equals = param.find("=") + if index_of_equals != -1: + key = param[:index_of_equals].strip(items_to_strip) + value = param[index_of_equals + 1:].strip(items_to_strip) + params_dict[key.lower()] = value + return content_type, params_dict + + +def get_encoding_from_headers(headers): + """Returns encodings from given HTTP Header Dict. + + :param headers: dictionary to extract encoding from. + :rtype: str + """ + + content_type = headers.get('content-type') + + if not content_type: + return None + + content_type, params = _parse_content_type_header(content_type) + + if 'charset' in params: + return params['charset'].strip("'\"") + + if 'text' in content_type: + return 'ISO-8859-1' + + +def stream_decode_response_unicode(iterator, r): + """Stream decodes a iterator.""" + + if r.encoding is None: + for item in iterator: + yield item + return + + decoder = codecs.getincrementaldecoder(r.encoding)(errors='replace') + for chunk in iterator: + rv = decoder.decode(chunk) + if rv: + yield rv + rv = decoder.decode(b'', final=True) + if rv: + yield rv + + +def iter_slices(string, slice_length): + """Iterate over slices of a string.""" + pos = 0 + if slice_length is None or slice_length <= 0: + slice_length = len(string) + while pos < len(string): + yield string[pos:pos + slice_length] + pos += slice_length + + +def get_unicode_from_response(r): + """Returns the requested content back in unicode. + + :param r: Response object to get unicode content from. + + Tried: + + 1. charset from content-type + 2. fall back and replace all unicode characters + + :rtype: str + """ + warnings.warn(( + 'In requests 3.0, get_unicode_from_response will be removed. For ' + 'more information, please see the discussion on issue #2266. (This' + ' warning should only appear once.)'), + DeprecationWarning) + + tried_encodings = [] + + # Try charset from content-type + encoding = get_encoding_from_headers(r.headers) + + if encoding: + try: + return str(r.content, encoding) + except UnicodeError: + tried_encodings.append(encoding) + + # Fall back: + try: + return str(r.content, encoding, errors='replace') + except TypeError: + return r.content + + +# The unreserved URI characters (RFC 3986) +UNRESERVED_SET = frozenset( + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789-._~") + + +def unquote_unreserved(uri): + """Un-escape any percent-escape sequences in a URI that are unreserved + characters. This leaves all reserved, illegal and non-ASCII bytes encoded. + + :rtype: str + """ + parts = uri.split('%') + for i in range(1, len(parts)): + h = parts[i][0:2] + if len(h) == 2 and h.isalnum(): + try: + c = chr(int(h, 16)) + except ValueError: + raise InvalidURL("Invalid percent-escape sequence: '%s'" % h) + + if c in UNRESERVED_SET: + parts[i] = c + parts[i][2:] + else: + parts[i] = '%' + parts[i] + else: + parts[i] = '%' + parts[i] + return ''.join(parts) + + +def requote_uri(uri): + """Re-quote the given URI. + + This function passes the given URI through an unquote/quote cycle to + ensure that it is fully and consistently quoted. + + :rtype: str + """ + safe_with_percent = "!#$%&'()*+,/:;=?@[]~" + safe_without_percent = "!#$&'()*+,/:;=?@[]~" + try: + # Unquote only the unreserved characters + # Then quote only illegal characters (do not quote reserved, + # unreserved, or '%') + return quote(unquote_unreserved(uri), safe=safe_with_percent) + except InvalidURL: + # We couldn't unquote the given URI, so let's try quoting it, but + # there may be unquoted '%'s in the URI. We need to make sure they're + # properly quoted so they do not cause issues elsewhere. + return quote(uri, safe=safe_without_percent) + + +def address_in_network(ip, net): + """This function allows you to check if an IP belongs to a network subnet + + Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24 + returns False if ip = 192.168.1.1 and net = 192.168.100.0/24 + + :rtype: bool + """ + ipaddr = struct.unpack('=L', socket.inet_aton(ip))[0] + netaddr, bits = net.split('/') + netmask = struct.unpack('=L', socket.inet_aton(dotted_netmask(int(bits))))[0] + network = struct.unpack('=L', socket.inet_aton(netaddr))[0] & netmask + return (ipaddr & netmask) == (network & netmask) + + +def dotted_netmask(mask): + """Converts mask from /xx format to xxx.xxx.xxx.xxx + + Example: if mask is 24 function returns 255.255.255.0 + + :rtype: str + """ + bits = 0xffffffff ^ (1 << 32 - mask) - 1 + return socket.inet_ntoa(struct.pack('>I', bits)) + + +def is_ipv4_address(string_ip): + """ + :rtype: bool + """ + try: + socket.inet_aton(string_ip) + except socket.error: + return False + return True + + +def is_valid_cidr(string_network): + """ + Very simple check of the cidr format in no_proxy variable. + + :rtype: bool + """ + if string_network.count('/') == 1: + try: + mask = int(string_network.split('/')[1]) + except ValueError: + return False + + if mask < 1 or mask > 32: + return False + + try: + socket.inet_aton(string_network.split('/')[0]) + except socket.error: + return False + else: + return False + return True + + +@contextlib.contextmanager +def set_environ(env_name, value): + """Set the environment variable 'env_name' to 'value' + + Save previous value, yield, and then restore the previous value stored in + the environment variable 'env_name'. + + If 'value' is None, do nothing""" + value_changed = value is not None + if value_changed: + old_value = os.environ.get(env_name) + os.environ[env_name] = value + try: + yield + finally: + if value_changed: + if old_value is None: + del os.environ[env_name] + else: + os.environ[env_name] = old_value + + +def should_bypass_proxies(url, no_proxy): + """ + Returns whether we should bypass proxies or not. + + :rtype: bool + """ + # Prioritize lowercase environment variables over uppercase + # to keep a consistent behaviour with other http projects (curl, wget). + get_proxy = lambda k: os.environ.get(k) or os.environ.get(k.upper()) + + # First check whether no_proxy is defined. If it is, check that the URL + # we're getting isn't in the no_proxy list. + no_proxy_arg = no_proxy + if no_proxy is None: + no_proxy = get_proxy('no_proxy') + parsed = urlparse(url) + + if parsed.hostname is None: + # URLs don't always have hostnames, e.g. file:/// urls. + return True + + if no_proxy: + # We need to check whether we match here. We need to see if we match + # the end of the hostname, both with and without the port. + no_proxy = ( + host for host in no_proxy.replace(' ', '').split(',') if host + ) + + if is_ipv4_address(parsed.hostname): + for proxy_ip in no_proxy: + if is_valid_cidr(proxy_ip): + if address_in_network(parsed.hostname, proxy_ip): + return True + elif parsed.hostname == proxy_ip: + # If no_proxy ip was defined in plain IP notation instead of cidr notation & + # matches the IP of the index + return True + else: + host_with_port = parsed.hostname + if parsed.port: + host_with_port += ':{}'.format(parsed.port) + + for host in no_proxy: + if parsed.hostname.endswith(host) or host_with_port.endswith(host): + # The URL does match something in no_proxy, so we don't want + # to apply the proxies on this URL. + return True + + with set_environ('no_proxy', no_proxy_arg): + # parsed.hostname can be `None` in cases such as a file URI. + try: + bypass = proxy_bypass(parsed.hostname) + except (TypeError, socket.gaierror): + bypass = False + + if bypass: + return True + + return False + + +def get_environ_proxies(url, no_proxy=None): + """ + Return a dict of environment proxies. + + :rtype: dict + """ + if should_bypass_proxies(url, no_proxy=no_proxy): + return {} + else: + return getproxies() + + +def select_proxy(url, proxies): + """Select a proxy for the url, if applicable. + + :param url: The url being for the request + :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs + """ + proxies = proxies or {} + urlparts = urlparse(url) + if urlparts.hostname is None: + return proxies.get(urlparts.scheme, proxies.get('all')) + + proxy_keys = [ + urlparts.scheme + '://' + urlparts.hostname, + urlparts.scheme, + 'all://' + urlparts.hostname, + 'all', + ] + proxy = None + for proxy_key in proxy_keys: + if proxy_key in proxies: + proxy = proxies[proxy_key] + break + + return proxy + + +def default_user_agent(name="python-requests"): + """ + Return a string representing the default user agent. + + :rtype: str + """ + return '%s/%s' % (name, __version__) + + +def default_headers(): + """ + :rtype: requests.structures.CaseInsensitiveDict + """ + return CaseInsensitiveDict({ + 'User-Agent': default_user_agent(), + 'Accept-Encoding': ', '.join(('gzip', 'deflate')), + 'Accept': '*/*', + 'Connection': 'keep-alive', + }) + + +def parse_header_links(value): + """Return a list of parsed link headers proxies. + + i.e. Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg",<http://.../back.jpeg>; rel=back;type="image/jpeg" + + :rtype: list + """ + + links = [] + + replace_chars = ' \'"' + + value = value.strip(replace_chars) + if not value: + return links + + for val in re.split(', *<', value): + try: + url, params = val.split(';', 1) + except ValueError: + url, params = val, '' + + link = {'url': url.strip('<> \'"')} + + for param in params.split(';'): + try: + key, value = param.split('=') + except ValueError: + break + + link[key.strip(replace_chars)] = value.strip(replace_chars) + + links.append(link) + + return links + + +# Null bytes; no need to recreate these on each call to guess_json_utf +_null = '\x00'.encode('ascii') # encoding to ASCII for Python 3 +_null2 = _null * 2 +_null3 = _null * 3 + + +def guess_json_utf(data): + """ + :rtype: str + """ + # JSON always starts with two ASCII characters, so detection is as + # easy as counting the nulls and from their location and count + # determine the encoding. Also detect a BOM, if present. + sample = data[:4] + if sample in (codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE): + return 'utf-32' # BOM included + if sample[:3] == codecs.BOM_UTF8: + return 'utf-8-sig' # BOM included, MS style (discouraged) + if sample[:2] in (codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE): + return 'utf-16' # BOM included + nullcount = sample.count(_null) + if nullcount == 0: + return 'utf-8' + if nullcount == 2: + if sample[::2] == _null2: # 1st and 3rd are null + return 'utf-16-be' + if sample[1::2] == _null2: # 2nd and 4th are null + return 'utf-16-le' + # Did not detect 2 valid UTF-16 ascii-range characters + if nullcount == 3: + if sample[:3] == _null3: + return 'utf-32-be' + if sample[1:] == _null3: + return 'utf-32-le' + # Did not detect a valid UTF-32 ascii-range character + return None + + +def prepend_scheme_if_needed(url, new_scheme): + """Given a URL that may or may not have a scheme, prepend the given scheme. + Does not replace a present scheme with the one provided as an argument. + + :rtype: str + """ + scheme, netloc, path, params, query, fragment = urlparse(url, new_scheme) + + # urlparse is a finicky beast, and sometimes decides that there isn't a + # netloc present. Assume that it's being over-cautious, and switch netloc + # and path if urlparse decided there was no netloc. + if not netloc: + netloc, path = path, netloc + + return urlunparse((scheme, netloc, path, params, query, fragment)) + + +def get_auth_from_url(url): + """Given a url with authentication components, extract them into a tuple of + username,password. + + :rtype: (str,str) + """ + parsed = urlparse(url) + + try: + auth = (unquote(parsed.username), unquote(parsed.password)) + except (AttributeError, TypeError): + auth = ('', '') + + return auth + + +# Moved outside of function to avoid recompile every call +_CLEAN_HEADER_REGEX_BYTE = re.compile(b'^\\S[^\\r\\n]*$|^$') +_CLEAN_HEADER_REGEX_STR = re.compile(r'^\S[^\r\n]*$|^$') + + +def check_header_validity(header): + """Verifies that header value is a string which doesn't contain + leading whitespace or return characters. This prevents unintended + header injection. + + :param header: tuple, in the format (name, value). + """ + name, value = header + + if isinstance(value, bytes): + pat = _CLEAN_HEADER_REGEX_BYTE + else: + pat = _CLEAN_HEADER_REGEX_STR + try: + if not pat.match(value): + raise InvalidHeader("Invalid return character or leading space in header: %s" % name) + except TypeError: + raise InvalidHeader("Value for header {%s: %s} must be of type str or " + "bytes, not %s" % (name, value, type(value))) + + +def urldefragauth(url): + """ + Given a url remove the fragment and the authentication part. + + :rtype: str + """ + scheme, netloc, path, params, query, fragment = urlparse(url) + + # see func:`prepend_scheme_if_needed` + if not netloc: + netloc, path = path, netloc + + netloc = netloc.rsplit('@', 1)[-1] + + return urlunparse((scheme, netloc, path, params, query, '')) + + +def rewind_body(prepared_request): + """Move file pointer back to its recorded starting position + so it can be read again on redirect. + """ + body_seek = getattr(prepared_request.body, 'seek', None) + if body_seek is not None and isinstance(prepared_request._body_position, integer_types): + try: + body_seek(prepared_request._body_position) + except (IOError, OSError): + raise UnrewindableBodyError("An error occurred when rewinding request " + "body for redirect.") + else: + raise UnrewindableBodyError("Unable to rewind request body for redirect.") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/retrying.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/retrying.py new file mode 100644 index 0000000..6d1e627 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/retrying.py @@ -0,0 +1,267 @@ +## Copyright 2013-2014 Ray Holder +## +## Licensed under the Apache License, Version 2.0 (the "License"); +## you may not use this file except in compliance with the License. +## You may obtain a copy of the License at +## +## http://www.apache.org/licenses/LICENSE-2.0 +## +## Unless required by applicable law or agreed to in writing, software +## distributed under the License is distributed on an "AS IS" BASIS, +## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +## See the License for the specific language governing permissions and +## limitations under the License. + +import random +from pip._vendor import six +import sys +import time +import traceback + + +# sys.maxint / 2, since Python 3.2 doesn't have a sys.maxint... +MAX_WAIT = 1073741823 + + +def retry(*dargs, **dkw): + """ + Decorator function that instantiates the Retrying object + @param *dargs: positional arguments passed to Retrying object + @param **dkw: keyword arguments passed to the Retrying object + """ + # support both @retry and @retry() as valid syntax + if len(dargs) == 1 and callable(dargs[0]): + def wrap_simple(f): + + @six.wraps(f) + def wrapped_f(*args, **kw): + return Retrying().call(f, *args, **kw) + + return wrapped_f + + return wrap_simple(dargs[0]) + + else: + def wrap(f): + + @six.wraps(f) + def wrapped_f(*args, **kw): + return Retrying(*dargs, **dkw).call(f, *args, **kw) + + return wrapped_f + + return wrap + + +class Retrying(object): + + def __init__(self, + stop=None, wait=None, + stop_max_attempt_number=None, + stop_max_delay=None, + wait_fixed=None, + wait_random_min=None, wait_random_max=None, + wait_incrementing_start=None, wait_incrementing_increment=None, + wait_exponential_multiplier=None, wait_exponential_max=None, + retry_on_exception=None, + retry_on_result=None, + wrap_exception=False, + stop_func=None, + wait_func=None, + wait_jitter_max=None): + + self._stop_max_attempt_number = 5 if stop_max_attempt_number is None else stop_max_attempt_number + self._stop_max_delay = 100 if stop_max_delay is None else stop_max_delay + self._wait_fixed = 1000 if wait_fixed is None else wait_fixed + self._wait_random_min = 0 if wait_random_min is None else wait_random_min + self._wait_random_max = 1000 if wait_random_max is None else wait_random_max + self._wait_incrementing_start = 0 if wait_incrementing_start is None else wait_incrementing_start + self._wait_incrementing_increment = 100 if wait_incrementing_increment is None else wait_incrementing_increment + self._wait_exponential_multiplier = 1 if wait_exponential_multiplier is None else wait_exponential_multiplier + self._wait_exponential_max = MAX_WAIT if wait_exponential_max is None else wait_exponential_max + self._wait_jitter_max = 0 if wait_jitter_max is None else wait_jitter_max + + # TODO add chaining of stop behaviors + # stop behavior + stop_funcs = [] + if stop_max_attempt_number is not None: + stop_funcs.append(self.stop_after_attempt) + + if stop_max_delay is not None: + stop_funcs.append(self.stop_after_delay) + + if stop_func is not None: + self.stop = stop_func + + elif stop is None: + self.stop = lambda attempts, delay: any(f(attempts, delay) for f in stop_funcs) + + else: + self.stop = getattr(self, stop) + + # TODO add chaining of wait behaviors + # wait behavior + wait_funcs = [lambda *args, **kwargs: 0] + if wait_fixed is not None: + wait_funcs.append(self.fixed_sleep) + + if wait_random_min is not None or wait_random_max is not None: + wait_funcs.append(self.random_sleep) + + if wait_incrementing_start is not None or wait_incrementing_increment is not None: + wait_funcs.append(self.incrementing_sleep) + + if wait_exponential_multiplier is not None or wait_exponential_max is not None: + wait_funcs.append(self.exponential_sleep) + + if wait_func is not None: + self.wait = wait_func + + elif wait is None: + self.wait = lambda attempts, delay: max(f(attempts, delay) for f in wait_funcs) + + else: + self.wait = getattr(self, wait) + + # retry on exception filter + if retry_on_exception is None: + self._retry_on_exception = self.always_reject + else: + self._retry_on_exception = retry_on_exception + + # TODO simplify retrying by Exception types + # retry on result filter + if retry_on_result is None: + self._retry_on_result = self.never_reject + else: + self._retry_on_result = retry_on_result + + self._wrap_exception = wrap_exception + + def stop_after_attempt(self, previous_attempt_number, delay_since_first_attempt_ms): + """Stop after the previous attempt >= stop_max_attempt_number.""" + return previous_attempt_number >= self._stop_max_attempt_number + + def stop_after_delay(self, previous_attempt_number, delay_since_first_attempt_ms): + """Stop after the time from the first attempt >= stop_max_delay.""" + return delay_since_first_attempt_ms >= self._stop_max_delay + + def no_sleep(self, previous_attempt_number, delay_since_first_attempt_ms): + """Don't sleep at all before retrying.""" + return 0 + + def fixed_sleep(self, previous_attempt_number, delay_since_first_attempt_ms): + """Sleep a fixed amount of time between each retry.""" + return self._wait_fixed + + def random_sleep(self, previous_attempt_number, delay_since_first_attempt_ms): + """Sleep a random amount of time between wait_random_min and wait_random_max""" + return random.randint(self._wait_random_min, self._wait_random_max) + + def incrementing_sleep(self, previous_attempt_number, delay_since_first_attempt_ms): + """ + Sleep an incremental amount of time after each attempt, starting at + wait_incrementing_start and incrementing by wait_incrementing_increment + """ + result = self._wait_incrementing_start + (self._wait_incrementing_increment * (previous_attempt_number - 1)) + if result < 0: + result = 0 + return result + + def exponential_sleep(self, previous_attempt_number, delay_since_first_attempt_ms): + exp = 2 ** previous_attempt_number + result = self._wait_exponential_multiplier * exp + if result > self._wait_exponential_max: + result = self._wait_exponential_max + if result < 0: + result = 0 + return result + + def never_reject(self, result): + return False + + def always_reject(self, result): + return True + + def should_reject(self, attempt): + reject = False + if attempt.has_exception: + reject |= self._retry_on_exception(attempt.value[1]) + else: + reject |= self._retry_on_result(attempt.value) + + return reject + + def call(self, fn, *args, **kwargs): + start_time = int(round(time.time() * 1000)) + attempt_number = 1 + while True: + try: + attempt = Attempt(fn(*args, **kwargs), attempt_number, False) + except: + tb = sys.exc_info() + attempt = Attempt(tb, attempt_number, True) + + if not self.should_reject(attempt): + return attempt.get(self._wrap_exception) + + delay_since_first_attempt_ms = int(round(time.time() * 1000)) - start_time + if self.stop(attempt_number, delay_since_first_attempt_ms): + if not self._wrap_exception and attempt.has_exception: + # get() on an attempt with an exception should cause it to be raised, but raise just in case + raise attempt.get() + else: + raise RetryError(attempt) + else: + sleep = self.wait(attempt_number, delay_since_first_attempt_ms) + if self._wait_jitter_max: + jitter = random.random() * self._wait_jitter_max + sleep = sleep + max(0, jitter) + time.sleep(sleep / 1000.0) + + attempt_number += 1 + + +class Attempt(object): + """ + An Attempt encapsulates a call to a target function that may end as a + normal return value from the function or an Exception depending on what + occurred during the execution. + """ + + def __init__(self, value, attempt_number, has_exception): + self.value = value + self.attempt_number = attempt_number + self.has_exception = has_exception + + def get(self, wrap_exception=False): + """ + Return the return value of this Attempt instance or raise an Exception. + If wrap_exception is true, this Attempt is wrapped inside of a + RetryError before being raised. + """ + if self.has_exception: + if wrap_exception: + raise RetryError(self) + else: + six.reraise(self.value[0], self.value[1], self.value[2]) + else: + return self.value + + def __repr__(self): + if self.has_exception: + return "Attempts: {0}, Error:\n{1}".format(self.attempt_number, "".join(traceback.format_tb(self.value[2]))) + else: + return "Attempts: {0}, Value: {1}".format(self.attempt_number, self.value) + + +class RetryError(Exception): + """ + A RetryError encapsulates the last Attempt instance right before giving up. + """ + + def __init__(self, last_attempt): + self.last_attempt = last_attempt + + def __str__(self): + return "RetryError[{0}]".format(self.last_attempt) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/six.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/six.py new file mode 100644 index 0000000..89b2188 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/six.py @@ -0,0 +1,952 @@ +# Copyright (c) 2010-2018 Benjamin Peterson +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +"""Utilities for writing code that runs on Python 2 and 3""" + +from __future__ import absolute_import + +import functools +import itertools +import operator +import sys +import types + +__author__ = "Benjamin Peterson <benjamin@python.org>" +__version__ = "1.12.0" + + +# Useful for very coarse version differentiation. +PY2 = sys.version_info[0] == 2 +PY3 = sys.version_info[0] == 3 +PY34 = sys.version_info[0:2] >= (3, 4) + +if PY3: + string_types = str, + integer_types = int, + class_types = type, + text_type = str + binary_type = bytes + + MAXSIZE = sys.maxsize +else: + string_types = basestring, + integer_types = (int, long) + class_types = (type, types.ClassType) + text_type = unicode + binary_type = str + + if sys.platform.startswith("java"): + # Jython always uses 32 bits. + MAXSIZE = int((1 << 31) - 1) + else: + # It's possible to have sizeof(long) != sizeof(Py_ssize_t). + class X(object): + + def __len__(self): + return 1 << 31 + try: + len(X()) + except OverflowError: + # 32-bit + MAXSIZE = int((1 << 31) - 1) + else: + # 64-bit + MAXSIZE = int((1 << 63) - 1) + del X + + +def _add_doc(func, doc): + """Add documentation to a function.""" + func.__doc__ = doc + + +def _import_module(name): + """Import module, returning the module after the last dot.""" + __import__(name) + return sys.modules[name] + + +class _LazyDescr(object): + + def __init__(self, name): + self.name = name + + def __get__(self, obj, tp): + result = self._resolve() + setattr(obj, self.name, result) # Invokes __set__. + try: + # This is a bit ugly, but it avoids running this again by + # removing this descriptor. + delattr(obj.__class__, self.name) + except AttributeError: + pass + return result + + +class MovedModule(_LazyDescr): + + def __init__(self, name, old, new=None): + super(MovedModule, self).__init__(name) + if PY3: + if new is None: + new = name + self.mod = new + else: + self.mod = old + + def _resolve(self): + return _import_module(self.mod) + + def __getattr__(self, attr): + _module = self._resolve() + value = getattr(_module, attr) + setattr(self, attr, value) + return value + + +class _LazyModule(types.ModuleType): + + def __init__(self, name): + super(_LazyModule, self).__init__(name) + self.__doc__ = self.__class__.__doc__ + + def __dir__(self): + attrs = ["__doc__", "__name__"] + attrs += [attr.name for attr in self._moved_attributes] + return attrs + + # Subclasses should override this + _moved_attributes = [] + + +class MovedAttribute(_LazyDescr): + + def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None): + super(MovedAttribute, self).__init__(name) + if PY3: + if new_mod is None: + new_mod = name + self.mod = new_mod + if new_attr is None: + if old_attr is None: + new_attr = name + else: + new_attr = old_attr + self.attr = new_attr + else: + self.mod = old_mod + if old_attr is None: + old_attr = name + self.attr = old_attr + + def _resolve(self): + module = _import_module(self.mod) + return getattr(module, self.attr) + + +class _SixMetaPathImporter(object): + + """ + A meta path importer to import six.moves and its submodules. + + This class implements a PEP302 finder and loader. It should be compatible + with Python 2.5 and all existing versions of Python3 + """ + + def __init__(self, six_module_name): + self.name = six_module_name + self.known_modules = {} + + def _add_module(self, mod, *fullnames): + for fullname in fullnames: + self.known_modules[self.name + "." + fullname] = mod + + def _get_module(self, fullname): + return self.known_modules[self.name + "." + fullname] + + def find_module(self, fullname, path=None): + if fullname in self.known_modules: + return self + return None + + def __get_module(self, fullname): + try: + return self.known_modules[fullname] + except KeyError: + raise ImportError("This loader does not know module " + fullname) + + def load_module(self, fullname): + try: + # in case of a reload + return sys.modules[fullname] + except KeyError: + pass + mod = self.__get_module(fullname) + if isinstance(mod, MovedModule): + mod = mod._resolve() + else: + mod.__loader__ = self + sys.modules[fullname] = mod + return mod + + def is_package(self, fullname): + """ + Return true, if the named module is a package. + + We need this method to get correct spec objects with + Python 3.4 (see PEP451) + """ + return hasattr(self.__get_module(fullname), "__path__") + + def get_code(self, fullname): + """Return None + + Required, if is_package is implemented""" + self.__get_module(fullname) # eventually raises ImportError + return None + get_source = get_code # same as get_code + +_importer = _SixMetaPathImporter(__name__) + + +class _MovedItems(_LazyModule): + + """Lazy loading of moved objects""" + __path__ = [] # mark as package + + +_moved_attributes = [ + MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"), + MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"), + MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"), + MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"), + MovedAttribute("intern", "__builtin__", "sys"), + MovedAttribute("map", "itertools", "builtins", "imap", "map"), + MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"), + MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"), + MovedAttribute("getoutput", "commands", "subprocess"), + MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"), + MovedAttribute("reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"), + MovedAttribute("reduce", "__builtin__", "functools"), + MovedAttribute("shlex_quote", "pipes", "shlex", "quote"), + MovedAttribute("StringIO", "StringIO", "io"), + MovedAttribute("UserDict", "UserDict", "collections"), + MovedAttribute("UserList", "UserList", "collections"), + MovedAttribute("UserString", "UserString", "collections"), + MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"), + MovedAttribute("zip", "itertools", "builtins", "izip", "zip"), + MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"), + MovedModule("builtins", "__builtin__"), + MovedModule("configparser", "ConfigParser"), + MovedModule("copyreg", "copy_reg"), + MovedModule("dbm_gnu", "gdbm", "dbm.gnu"), + MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"), + MovedModule("http_cookiejar", "cookielib", "http.cookiejar"), + MovedModule("http_cookies", "Cookie", "http.cookies"), + MovedModule("html_entities", "htmlentitydefs", "html.entities"), + MovedModule("html_parser", "HTMLParser", "html.parser"), + MovedModule("http_client", "httplib", "http.client"), + MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"), + MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"), + MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"), + MovedModule("email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"), + MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"), + MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"), + MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"), + MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"), + MovedModule("cPickle", "cPickle", "pickle"), + MovedModule("queue", "Queue"), + MovedModule("reprlib", "repr"), + MovedModule("socketserver", "SocketServer"), + MovedModule("_thread", "thread", "_thread"), + MovedModule("tkinter", "Tkinter"), + MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"), + MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"), + MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"), + MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"), + MovedModule("tkinter_tix", "Tix", "tkinter.tix"), + MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"), + MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"), + MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"), + MovedModule("tkinter_colorchooser", "tkColorChooser", + "tkinter.colorchooser"), + MovedModule("tkinter_commondialog", "tkCommonDialog", + "tkinter.commondialog"), + MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"), + MovedModule("tkinter_font", "tkFont", "tkinter.font"), + MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"), + MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", + "tkinter.simpledialog"), + MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"), + MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"), + MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"), + MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"), + MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"), + MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"), +] +# Add windows specific modules. +if sys.platform == "win32": + _moved_attributes += [ + MovedModule("winreg", "_winreg"), + ] + +for attr in _moved_attributes: + setattr(_MovedItems, attr.name, attr) + if isinstance(attr, MovedModule): + _importer._add_module(attr, "moves." + attr.name) +del attr + +_MovedItems._moved_attributes = _moved_attributes + +moves = _MovedItems(__name__ + ".moves") +_importer._add_module(moves, "moves") + + +class Module_six_moves_urllib_parse(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_parse""" + + +_urllib_parse_moved_attributes = [ + MovedAttribute("ParseResult", "urlparse", "urllib.parse"), + MovedAttribute("SplitResult", "urlparse", "urllib.parse"), + MovedAttribute("parse_qs", "urlparse", "urllib.parse"), + MovedAttribute("parse_qsl", "urlparse", "urllib.parse"), + MovedAttribute("urldefrag", "urlparse", "urllib.parse"), + MovedAttribute("urljoin", "urlparse", "urllib.parse"), + MovedAttribute("urlparse", "urlparse", "urllib.parse"), + MovedAttribute("urlsplit", "urlparse", "urllib.parse"), + MovedAttribute("urlunparse", "urlparse", "urllib.parse"), + MovedAttribute("urlunsplit", "urlparse", "urllib.parse"), + MovedAttribute("quote", "urllib", "urllib.parse"), + MovedAttribute("quote_plus", "urllib", "urllib.parse"), + MovedAttribute("unquote", "urllib", "urllib.parse"), + MovedAttribute("unquote_plus", "urllib", "urllib.parse"), + MovedAttribute("unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"), + MovedAttribute("urlencode", "urllib", "urllib.parse"), + MovedAttribute("splitquery", "urllib", "urllib.parse"), + MovedAttribute("splittag", "urllib", "urllib.parse"), + MovedAttribute("splituser", "urllib", "urllib.parse"), + MovedAttribute("splitvalue", "urllib", "urllib.parse"), + MovedAttribute("uses_fragment", "urlparse", "urllib.parse"), + MovedAttribute("uses_netloc", "urlparse", "urllib.parse"), + MovedAttribute("uses_params", "urlparse", "urllib.parse"), + MovedAttribute("uses_query", "urlparse", "urllib.parse"), + MovedAttribute("uses_relative", "urlparse", "urllib.parse"), +] +for attr in _urllib_parse_moved_attributes: + setattr(Module_six_moves_urllib_parse, attr.name, attr) +del attr + +Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes + +_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"), + "moves.urllib_parse", "moves.urllib.parse") + + +class Module_six_moves_urllib_error(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_error""" + + +_urllib_error_moved_attributes = [ + MovedAttribute("URLError", "urllib2", "urllib.error"), + MovedAttribute("HTTPError", "urllib2", "urllib.error"), + MovedAttribute("ContentTooShortError", "urllib", "urllib.error"), +] +for attr in _urllib_error_moved_attributes: + setattr(Module_six_moves_urllib_error, attr.name, attr) +del attr + +Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes + +_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"), + "moves.urllib_error", "moves.urllib.error") + + +class Module_six_moves_urllib_request(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_request""" + + +_urllib_request_moved_attributes = [ + MovedAttribute("urlopen", "urllib2", "urllib.request"), + MovedAttribute("install_opener", "urllib2", "urllib.request"), + MovedAttribute("build_opener", "urllib2", "urllib.request"), + MovedAttribute("pathname2url", "urllib", "urllib.request"), + MovedAttribute("url2pathname", "urllib", "urllib.request"), + MovedAttribute("getproxies", "urllib", "urllib.request"), + MovedAttribute("Request", "urllib2", "urllib.request"), + MovedAttribute("OpenerDirector", "urllib2", "urllib.request"), + MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"), + MovedAttribute("ProxyHandler", "urllib2", "urllib.request"), + MovedAttribute("BaseHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"), + MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"), + MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"), + MovedAttribute("FileHandler", "urllib2", "urllib.request"), + MovedAttribute("FTPHandler", "urllib2", "urllib.request"), + MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"), + MovedAttribute("UnknownHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"), + MovedAttribute("urlretrieve", "urllib", "urllib.request"), + MovedAttribute("urlcleanup", "urllib", "urllib.request"), + MovedAttribute("URLopener", "urllib", "urllib.request"), + MovedAttribute("FancyURLopener", "urllib", "urllib.request"), + MovedAttribute("proxy_bypass", "urllib", "urllib.request"), + MovedAttribute("parse_http_list", "urllib2", "urllib.request"), + MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"), +] +for attr in _urllib_request_moved_attributes: + setattr(Module_six_moves_urllib_request, attr.name, attr) +del attr + +Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes + +_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"), + "moves.urllib_request", "moves.urllib.request") + + +class Module_six_moves_urllib_response(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_response""" + + +_urllib_response_moved_attributes = [ + MovedAttribute("addbase", "urllib", "urllib.response"), + MovedAttribute("addclosehook", "urllib", "urllib.response"), + MovedAttribute("addinfo", "urllib", "urllib.response"), + MovedAttribute("addinfourl", "urllib", "urllib.response"), +] +for attr in _urllib_response_moved_attributes: + setattr(Module_six_moves_urllib_response, attr.name, attr) +del attr + +Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes + +_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"), + "moves.urllib_response", "moves.urllib.response") + + +class Module_six_moves_urllib_robotparser(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_robotparser""" + + +_urllib_robotparser_moved_attributes = [ + MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"), +] +for attr in _urllib_robotparser_moved_attributes: + setattr(Module_six_moves_urllib_robotparser, attr.name, attr) +del attr + +Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes + +_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"), + "moves.urllib_robotparser", "moves.urllib.robotparser") + + +class Module_six_moves_urllib(types.ModuleType): + + """Create a six.moves.urllib namespace that resembles the Python 3 namespace""" + __path__ = [] # mark as package + parse = _importer._get_module("moves.urllib_parse") + error = _importer._get_module("moves.urllib_error") + request = _importer._get_module("moves.urllib_request") + response = _importer._get_module("moves.urllib_response") + robotparser = _importer._get_module("moves.urllib_robotparser") + + def __dir__(self): + return ['parse', 'error', 'request', 'response', 'robotparser'] + +_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"), + "moves.urllib") + + +def add_move(move): + """Add an item to six.moves.""" + setattr(_MovedItems, move.name, move) + + +def remove_move(name): + """Remove item from six.moves.""" + try: + delattr(_MovedItems, name) + except AttributeError: + try: + del moves.__dict__[name] + except KeyError: + raise AttributeError("no such move, %r" % (name,)) + + +if PY3: + _meth_func = "__func__" + _meth_self = "__self__" + + _func_closure = "__closure__" + _func_code = "__code__" + _func_defaults = "__defaults__" + _func_globals = "__globals__" +else: + _meth_func = "im_func" + _meth_self = "im_self" + + _func_closure = "func_closure" + _func_code = "func_code" + _func_defaults = "func_defaults" + _func_globals = "func_globals" + + +try: + advance_iterator = next +except NameError: + def advance_iterator(it): + return it.next() +next = advance_iterator + + +try: + callable = callable +except NameError: + def callable(obj): + return any("__call__" in klass.__dict__ for klass in type(obj).__mro__) + + +if PY3: + def get_unbound_function(unbound): + return unbound + + create_bound_method = types.MethodType + + def create_unbound_method(func, cls): + return func + + Iterator = object +else: + def get_unbound_function(unbound): + return unbound.im_func + + def create_bound_method(func, obj): + return types.MethodType(func, obj, obj.__class__) + + def create_unbound_method(func, cls): + return types.MethodType(func, None, cls) + + class Iterator(object): + + def next(self): + return type(self).__next__(self) + + callable = callable +_add_doc(get_unbound_function, + """Get the function out of a possibly unbound function""") + + +get_method_function = operator.attrgetter(_meth_func) +get_method_self = operator.attrgetter(_meth_self) +get_function_closure = operator.attrgetter(_func_closure) +get_function_code = operator.attrgetter(_func_code) +get_function_defaults = operator.attrgetter(_func_defaults) +get_function_globals = operator.attrgetter(_func_globals) + + +if PY3: + def iterkeys(d, **kw): + return iter(d.keys(**kw)) + + def itervalues(d, **kw): + return iter(d.values(**kw)) + + def iteritems(d, **kw): + return iter(d.items(**kw)) + + def iterlists(d, **kw): + return iter(d.lists(**kw)) + + viewkeys = operator.methodcaller("keys") + + viewvalues = operator.methodcaller("values") + + viewitems = operator.methodcaller("items") +else: + def iterkeys(d, **kw): + return d.iterkeys(**kw) + + def itervalues(d, **kw): + return d.itervalues(**kw) + + def iteritems(d, **kw): + return d.iteritems(**kw) + + def iterlists(d, **kw): + return d.iterlists(**kw) + + viewkeys = operator.methodcaller("viewkeys") + + viewvalues = operator.methodcaller("viewvalues") + + viewitems = operator.methodcaller("viewitems") + +_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.") +_add_doc(itervalues, "Return an iterator over the values of a dictionary.") +_add_doc(iteritems, + "Return an iterator over the (key, value) pairs of a dictionary.") +_add_doc(iterlists, + "Return an iterator over the (key, [values]) pairs of a dictionary.") + + +if PY3: + def b(s): + return s.encode("latin-1") + + def u(s): + return s + unichr = chr + import struct + int2byte = struct.Struct(">B").pack + del struct + byte2int = operator.itemgetter(0) + indexbytes = operator.getitem + iterbytes = iter + import io + StringIO = io.StringIO + BytesIO = io.BytesIO + _assertCountEqual = "assertCountEqual" + if sys.version_info[1] <= 1: + _assertRaisesRegex = "assertRaisesRegexp" + _assertRegex = "assertRegexpMatches" + else: + _assertRaisesRegex = "assertRaisesRegex" + _assertRegex = "assertRegex" +else: + def b(s): + return s + # Workaround for standalone backslash + + def u(s): + return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape") + unichr = unichr + int2byte = chr + + def byte2int(bs): + return ord(bs[0]) + + def indexbytes(buf, i): + return ord(buf[i]) + iterbytes = functools.partial(itertools.imap, ord) + import StringIO + StringIO = BytesIO = StringIO.StringIO + _assertCountEqual = "assertItemsEqual" + _assertRaisesRegex = "assertRaisesRegexp" + _assertRegex = "assertRegexpMatches" +_add_doc(b, """Byte literal""") +_add_doc(u, """Text literal""") + + +def assertCountEqual(self, *args, **kwargs): + return getattr(self, _assertCountEqual)(*args, **kwargs) + + +def assertRaisesRegex(self, *args, **kwargs): + return getattr(self, _assertRaisesRegex)(*args, **kwargs) + + +def assertRegex(self, *args, **kwargs): + return getattr(self, _assertRegex)(*args, **kwargs) + + +if PY3: + exec_ = getattr(moves.builtins, "exec") + + def reraise(tp, value, tb=None): + try: + if value is None: + value = tp() + if value.__traceback__ is not tb: + raise value.with_traceback(tb) + raise value + finally: + value = None + tb = None + +else: + def exec_(_code_, _globs_=None, _locs_=None): + """Execute code in a namespace.""" + if _globs_ is None: + frame = sys._getframe(1) + _globs_ = frame.f_globals + if _locs_ is None: + _locs_ = frame.f_locals + del frame + elif _locs_ is None: + _locs_ = _globs_ + exec("""exec _code_ in _globs_, _locs_""") + + exec_("""def reraise(tp, value, tb=None): + try: + raise tp, value, tb + finally: + tb = None +""") + + +if sys.version_info[:2] == (3, 2): + exec_("""def raise_from(value, from_value): + try: + if from_value is None: + raise value + raise value from from_value + finally: + value = None +""") +elif sys.version_info[:2] > (3, 2): + exec_("""def raise_from(value, from_value): + try: + raise value from from_value + finally: + value = None +""") +else: + def raise_from(value, from_value): + raise value + + +print_ = getattr(moves.builtins, "print", None) +if print_ is None: + def print_(*args, **kwargs): + """The new-style print function for Python 2.4 and 2.5.""" + fp = kwargs.pop("file", sys.stdout) + if fp is None: + return + + def write(data): + if not isinstance(data, basestring): + data = str(data) + # If the file has an encoding, encode unicode with it. + if (isinstance(fp, file) and + isinstance(data, unicode) and + fp.encoding is not None): + errors = getattr(fp, "errors", None) + if errors is None: + errors = "strict" + data = data.encode(fp.encoding, errors) + fp.write(data) + want_unicode = False + sep = kwargs.pop("sep", None) + if sep is not None: + if isinstance(sep, unicode): + want_unicode = True + elif not isinstance(sep, str): + raise TypeError("sep must be None or a string") + end = kwargs.pop("end", None) + if end is not None: + if isinstance(end, unicode): + want_unicode = True + elif not isinstance(end, str): + raise TypeError("end must be None or a string") + if kwargs: + raise TypeError("invalid keyword arguments to print()") + if not want_unicode: + for arg in args: + if isinstance(arg, unicode): + want_unicode = True + break + if want_unicode: + newline = unicode("\n") + space = unicode(" ") + else: + newline = "\n" + space = " " + if sep is None: + sep = space + if end is None: + end = newline + for i, arg in enumerate(args): + if i: + write(sep) + write(arg) + write(end) +if sys.version_info[:2] < (3, 3): + _print = print_ + + def print_(*args, **kwargs): + fp = kwargs.get("file", sys.stdout) + flush = kwargs.pop("flush", False) + _print(*args, **kwargs) + if flush and fp is not None: + fp.flush() + +_add_doc(reraise, """Reraise an exception.""") + +if sys.version_info[0:2] < (3, 4): + def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, + updated=functools.WRAPPER_UPDATES): + def wrapper(f): + f = functools.wraps(wrapped, assigned, updated)(f) + f.__wrapped__ = wrapped + return f + return wrapper +else: + wraps = functools.wraps + + +def with_metaclass(meta, *bases): + """Create a base class with a metaclass.""" + # This requires a bit of explanation: the basic idea is to make a dummy + # metaclass for one level of class instantiation that replaces itself with + # the actual metaclass. + class metaclass(type): + + def __new__(cls, name, this_bases, d): + return meta(name, bases, d) + + @classmethod + def __prepare__(cls, name, this_bases): + return meta.__prepare__(name, bases) + return type.__new__(metaclass, 'temporary_class', (), {}) + + +def add_metaclass(metaclass): + """Class decorator for creating a class with a metaclass.""" + def wrapper(cls): + orig_vars = cls.__dict__.copy() + slots = orig_vars.get('__slots__') + if slots is not None: + if isinstance(slots, str): + slots = [slots] + for slots_var in slots: + orig_vars.pop(slots_var) + orig_vars.pop('__dict__', None) + orig_vars.pop('__weakref__', None) + if hasattr(cls, '__qualname__'): + orig_vars['__qualname__'] = cls.__qualname__ + return metaclass(cls.__name__, cls.__bases__, orig_vars) + return wrapper + + +def ensure_binary(s, encoding='utf-8', errors='strict'): + """Coerce **s** to six.binary_type. + + For Python 2: + - `unicode` -> encoded to `str` + - `str` -> `str` + + For Python 3: + - `str` -> encoded to `bytes` + - `bytes` -> `bytes` + """ + if isinstance(s, text_type): + return s.encode(encoding, errors) + elif isinstance(s, binary_type): + return s + else: + raise TypeError("not expecting type '%s'" % type(s)) + + +def ensure_str(s, encoding='utf-8', errors='strict'): + """Coerce *s* to `str`. + + For Python 2: + - `unicode` -> encoded to `str` + - `str` -> `str` + + For Python 3: + - `str` -> `str` + - `bytes` -> decoded to `str` + """ + if not isinstance(s, (text_type, binary_type)): + raise TypeError("not expecting type '%s'" % type(s)) + if PY2 and isinstance(s, text_type): + s = s.encode(encoding, errors) + elif PY3 and isinstance(s, binary_type): + s = s.decode(encoding, errors) + return s + + +def ensure_text(s, encoding='utf-8', errors='strict'): + """Coerce *s* to six.text_type. + + For Python 2: + - `unicode` -> `unicode` + - `str` -> `unicode` + + For Python 3: + - `str` -> `str` + - `bytes` -> decoded to `str` + """ + if isinstance(s, binary_type): + return s.decode(encoding, errors) + elif isinstance(s, text_type): + return s + else: + raise TypeError("not expecting type '%s'" % type(s)) + + + +def python_2_unicode_compatible(klass): + """ + A decorator that defines __unicode__ and __str__ methods under Python 2. + Under Python 3 it does nothing. + + To support Python 2 and 3 with a single code base, define a __str__ method + returning text and apply this decorator to the class. + """ + if PY2: + if '__str__' not in klass.__dict__: + raise ValueError("@python_2_unicode_compatible cannot be applied " + "to %s because it doesn't define __str__()." % + klass.__name__) + klass.__unicode__ = klass.__str__ + klass.__str__ = lambda self: self.__unicode__().encode('utf-8') + return klass + + +# Complete the moves implementation. +# This code is at the end of this module to speed up module loading. +# Turn this module into a package. +__path__ = [] # required for PEP 302 and PEP 451 +__package__ = __name__ # see PEP 366 @ReservedAssignment +if globals().get("__spec__") is not None: + __spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable +# Remove other six meta path importers, since they cause problems. This can +# happen if six is removed from sys.modules and then reloaded. (Setuptools does +# this for some reason.) +if sys.meta_path: + for i, importer in enumerate(sys.meta_path): + # Here's some real nastiness: Another "instance" of the six module might + # be floating around. Therefore, we can't use isinstance() to check for + # the six meta path importer, since the other six instance will have + # inserted an importer with different class. + if (type(importer).__name__ == "_SixMetaPathImporter" and + importer.name == __name__): + del sys.meta_path[i] + break + del i, importer +# Finally, add the importer to the meta path import hook. +sys.meta_path.append(_importer) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/__init__.py new file mode 100644 index 0000000..148a9c3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/__init__.py @@ -0,0 +1,92 @@ +""" +urllib3 - Thread-safe connection pooling and re-using. +""" + +from __future__ import absolute_import +import warnings + +from .connectionpool import ( + HTTPConnectionPool, + HTTPSConnectionPool, + connection_from_url +) + +from . import exceptions +from .filepost import encode_multipart_formdata +from .poolmanager import PoolManager, ProxyManager, proxy_from_url +from .response import HTTPResponse +from .util.request import make_headers +from .util.url import get_host +from .util.timeout import Timeout +from .util.retry import Retry + + +# Set default logging handler to avoid "No handler found" warnings. +import logging +from logging import NullHandler + +__author__ = 'Andrey Petrov (andrey.petrov@shazow.net)' +__license__ = 'MIT' +__version__ = '1.24.1' + +__all__ = ( + 'HTTPConnectionPool', + 'HTTPSConnectionPool', + 'PoolManager', + 'ProxyManager', + 'HTTPResponse', + 'Retry', + 'Timeout', + 'add_stderr_logger', + 'connection_from_url', + 'disable_warnings', + 'encode_multipart_formdata', + 'get_host', + 'make_headers', + 'proxy_from_url', +) + +logging.getLogger(__name__).addHandler(NullHandler()) + + +def add_stderr_logger(level=logging.DEBUG): + """ + Helper for quickly adding a StreamHandler to the logger. Useful for + debugging. + + Returns the handler after adding it. + """ + # This method needs to be in this __init__.py to get the __name__ correct + # even if urllib3 is vendored within another package. + logger = logging.getLogger(__name__) + handler = logging.StreamHandler() + handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s')) + logger.addHandler(handler) + logger.setLevel(level) + logger.debug('Added a stderr logging handler to logger: %s', __name__) + return handler + + +# ... Clean up. +del NullHandler + + +# All warning filters *must* be appended unless you're really certain that they +# shouldn't be: otherwise, it's very hard for users to use most Python +# mechanisms to silence them. +# SecurityWarning's always go off by default. +warnings.simplefilter('always', exceptions.SecurityWarning, append=True) +# SubjectAltNameWarning's should go off once per host +warnings.simplefilter('default', exceptions.SubjectAltNameWarning, append=True) +# InsecurePlatformWarning's don't vary between requests, so we keep it default. +warnings.simplefilter('default', exceptions.InsecurePlatformWarning, + append=True) +# SNIMissingWarnings should go off only once. +warnings.simplefilter('default', exceptions.SNIMissingWarning, append=True) + + +def disable_warnings(category=exceptions.HTTPWarning): + """ + Helper for quickly disabling all urllib3 warnings. + """ + warnings.simplefilter('ignore', category) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/_collections.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/_collections.py new file mode 100644 index 0000000..34f2381 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/_collections.py @@ -0,0 +1,329 @@ +from __future__ import absolute_import +try: + from collections.abc import Mapping, MutableMapping +except ImportError: + from collections import Mapping, MutableMapping +try: + from threading import RLock +except ImportError: # Platform-specific: No threads available + class RLock: + def __enter__(self): + pass + + def __exit__(self, exc_type, exc_value, traceback): + pass + + +from collections import OrderedDict +from .exceptions import InvalidHeader +from .packages.six import iterkeys, itervalues, PY3 + + +__all__ = ['RecentlyUsedContainer', 'HTTPHeaderDict'] + + +_Null = object() + + +class RecentlyUsedContainer(MutableMapping): + """ + Provides a thread-safe dict-like container which maintains up to + ``maxsize`` keys while throwing away the least-recently-used keys beyond + ``maxsize``. + + :param maxsize: + Maximum number of recent elements to retain. + + :param dispose_func: + Every time an item is evicted from the container, + ``dispose_func(value)`` is called. Callback which will get called + """ + + ContainerCls = OrderedDict + + def __init__(self, maxsize=10, dispose_func=None): + self._maxsize = maxsize + self.dispose_func = dispose_func + + self._container = self.ContainerCls() + self.lock = RLock() + + def __getitem__(self, key): + # Re-insert the item, moving it to the end of the eviction line. + with self.lock: + item = self._container.pop(key) + self._container[key] = item + return item + + def __setitem__(self, key, value): + evicted_value = _Null + with self.lock: + # Possibly evict the existing value of 'key' + evicted_value = self._container.get(key, _Null) + self._container[key] = value + + # If we didn't evict an existing value, we might have to evict the + # least recently used item from the beginning of the container. + if len(self._container) > self._maxsize: + _key, evicted_value = self._container.popitem(last=False) + + if self.dispose_func and evicted_value is not _Null: + self.dispose_func(evicted_value) + + def __delitem__(self, key): + with self.lock: + value = self._container.pop(key) + + if self.dispose_func: + self.dispose_func(value) + + def __len__(self): + with self.lock: + return len(self._container) + + def __iter__(self): + raise NotImplementedError('Iteration over this class is unlikely to be threadsafe.') + + def clear(self): + with self.lock: + # Copy pointers to all values, then wipe the mapping + values = list(itervalues(self._container)) + self._container.clear() + + if self.dispose_func: + for value in values: + self.dispose_func(value) + + def keys(self): + with self.lock: + return list(iterkeys(self._container)) + + +class HTTPHeaderDict(MutableMapping): + """ + :param headers: + An iterable of field-value pairs. Must not contain multiple field names + when compared case-insensitively. + + :param kwargs: + Additional field-value pairs to pass in to ``dict.update``. + + A ``dict`` like container for storing HTTP Headers. + + Field names are stored and compared case-insensitively in compliance with + RFC 7230. Iteration provides the first case-sensitive key seen for each + case-insensitive pair. + + Using ``__setitem__`` syntax overwrites fields that compare equal + case-insensitively in order to maintain ``dict``'s api. For fields that + compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add`` + in a loop. + + If multiple fields that are equal case-insensitively are passed to the + constructor or ``.update``, the behavior is undefined and some will be + lost. + + >>> headers = HTTPHeaderDict() + >>> headers.add('Set-Cookie', 'foo=bar') + >>> headers.add('set-cookie', 'baz=quxx') + >>> headers['content-length'] = '7' + >>> headers['SET-cookie'] + 'foo=bar, baz=quxx' + >>> headers['Content-Length'] + '7' + """ + + def __init__(self, headers=None, **kwargs): + super(HTTPHeaderDict, self).__init__() + self._container = OrderedDict() + if headers is not None: + if isinstance(headers, HTTPHeaderDict): + self._copy_from(headers) + else: + self.extend(headers) + if kwargs: + self.extend(kwargs) + + def __setitem__(self, key, val): + self._container[key.lower()] = [key, val] + return self._container[key.lower()] + + def __getitem__(self, key): + val = self._container[key.lower()] + return ', '.join(val[1:]) + + def __delitem__(self, key): + del self._container[key.lower()] + + def __contains__(self, key): + return key.lower() in self._container + + def __eq__(self, other): + if not isinstance(other, Mapping) and not hasattr(other, 'keys'): + return False + if not isinstance(other, type(self)): + other = type(self)(other) + return (dict((k.lower(), v) for k, v in self.itermerged()) == + dict((k.lower(), v) for k, v in other.itermerged())) + + def __ne__(self, other): + return not self.__eq__(other) + + if not PY3: # Python 2 + iterkeys = MutableMapping.iterkeys + itervalues = MutableMapping.itervalues + + __marker = object() + + def __len__(self): + return len(self._container) + + def __iter__(self): + # Only provide the originally cased names + for vals in self._container.values(): + yield vals[0] + + def pop(self, key, default=__marker): + '''D.pop(k[,d]) -> v, remove specified key and return the corresponding value. + If key is not found, d is returned if given, otherwise KeyError is raised. + ''' + # Using the MutableMapping function directly fails due to the private marker. + # Using ordinary dict.pop would expose the internal structures. + # So let's reinvent the wheel. + try: + value = self[key] + except KeyError: + if default is self.__marker: + raise + return default + else: + del self[key] + return value + + def discard(self, key): + try: + del self[key] + except KeyError: + pass + + def add(self, key, val): + """Adds a (name, value) pair, doesn't overwrite the value if it already + exists. + + >>> headers = HTTPHeaderDict(foo='bar') + >>> headers.add('Foo', 'baz') + >>> headers['foo'] + 'bar, baz' + """ + key_lower = key.lower() + new_vals = [key, val] + # Keep the common case aka no item present as fast as possible + vals = self._container.setdefault(key_lower, new_vals) + if new_vals is not vals: + vals.append(val) + + def extend(self, *args, **kwargs): + """Generic import function for any type of header-like object. + Adapted version of MutableMapping.update in order to insert items + with self.add instead of self.__setitem__ + """ + if len(args) > 1: + raise TypeError("extend() takes at most 1 positional " + "arguments ({0} given)".format(len(args))) + other = args[0] if len(args) >= 1 else () + + if isinstance(other, HTTPHeaderDict): + for key, val in other.iteritems(): + self.add(key, val) + elif isinstance(other, Mapping): + for key in other: + self.add(key, other[key]) + elif hasattr(other, "keys"): + for key in other.keys(): + self.add(key, other[key]) + else: + for key, value in other: + self.add(key, value) + + for key, value in kwargs.items(): + self.add(key, value) + + def getlist(self, key, default=__marker): + """Returns a list of all the values for the named field. Returns an + empty list if the key doesn't exist.""" + try: + vals = self._container[key.lower()] + except KeyError: + if default is self.__marker: + return [] + return default + else: + return vals[1:] + + # Backwards compatibility for httplib + getheaders = getlist + getallmatchingheaders = getlist + iget = getlist + + # Backwards compatibility for http.cookiejar + get_all = getlist + + def __repr__(self): + return "%s(%s)" % (type(self).__name__, dict(self.itermerged())) + + def _copy_from(self, other): + for key in other: + val = other.getlist(key) + if isinstance(val, list): + # Don't need to convert tuples + val = list(val) + self._container[key.lower()] = [key] + val + + def copy(self): + clone = type(self)() + clone._copy_from(self) + return clone + + def iteritems(self): + """Iterate over all header lines, including duplicate ones.""" + for key in self: + vals = self._container[key.lower()] + for val in vals[1:]: + yield vals[0], val + + def itermerged(self): + """Iterate over all headers, merging duplicate ones together.""" + for key in self: + val = self._container[key.lower()] + yield val[0], ', '.join(val[1:]) + + def items(self): + return list(self.iteritems()) + + @classmethod + def from_httplib(cls, message): # Python 2 + """Read headers from a Python 2 httplib message object.""" + # python2.7 does not expose a proper API for exporting multiheaders + # efficiently. This function re-reads raw lines from the message + # object and extracts the multiheaders properly. + obs_fold_continued_leaders = (' ', '\t') + headers = [] + + for line in message.headers: + if line.startswith(obs_fold_continued_leaders): + if not headers: + # We received a header line that starts with OWS as described + # in RFC-7230 S3.2.4. This indicates a multiline header, but + # there exists no previous header to which we can attach it. + raise InvalidHeader( + 'Header continuation with no previous header: %s' % line + ) + else: + key, value = headers[-1] + headers[-1] = (key, value + ' ' + line.strip()) + continue + + key, value = line.split(':', 1) + headers.append((key, value.strip())) + + return cls(headers) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connection.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connection.py new file mode 100644 index 0000000..02b3665 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connection.py @@ -0,0 +1,391 @@ +from __future__ import absolute_import +import datetime +import logging +import os +import socket +from socket import error as SocketError, timeout as SocketTimeout +import warnings +from .packages import six +from .packages.six.moves.http_client import HTTPConnection as _HTTPConnection +from .packages.six.moves.http_client import HTTPException # noqa: F401 + +try: # Compiled with SSL? + import ssl + BaseSSLError = ssl.SSLError +except (ImportError, AttributeError): # Platform-specific: No SSL. + ssl = None + + class BaseSSLError(BaseException): + pass + + +try: # Python 3: + # Not a no-op, we're adding this to the namespace so it can be imported. + ConnectionError = ConnectionError +except NameError: # Python 2: + class ConnectionError(Exception): + pass + + +from .exceptions import ( + NewConnectionError, + ConnectTimeoutError, + SubjectAltNameWarning, + SystemTimeWarning, +) +from .packages.ssl_match_hostname import match_hostname, CertificateError + +from .util.ssl_ import ( + resolve_cert_reqs, + resolve_ssl_version, + assert_fingerprint, + create_urllib3_context, + ssl_wrap_socket +) + + +from .util import connection + +from ._collections import HTTPHeaderDict + +log = logging.getLogger(__name__) + +port_by_scheme = { + 'http': 80, + 'https': 443, +} + +# When updating RECENT_DATE, move it to within two years of the current date, +# and not less than 6 months ago. +# Example: if Today is 2018-01-01, then RECENT_DATE should be any date on or +# after 2016-01-01 (today - 2 years) AND before 2017-07-01 (today - 6 months) +RECENT_DATE = datetime.date(2017, 6, 30) + + +class DummyConnection(object): + """Used to detect a failed ConnectionCls import.""" + pass + + +class HTTPConnection(_HTTPConnection, object): + """ + Based on httplib.HTTPConnection but provides an extra constructor + backwards-compatibility layer between older and newer Pythons. + + Additional keyword parameters are used to configure attributes of the connection. + Accepted parameters include: + + - ``strict``: See the documentation on :class:`urllib3.connectionpool.HTTPConnectionPool` + - ``source_address``: Set the source address for the current connection. + - ``socket_options``: Set specific options on the underlying socket. If not specified, then + defaults are loaded from ``HTTPConnection.default_socket_options`` which includes disabling + Nagle's algorithm (sets TCP_NODELAY to 1) unless the connection is behind a proxy. + + For example, if you wish to enable TCP Keep Alive in addition to the defaults, + you might pass:: + + HTTPConnection.default_socket_options + [ + (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1), + ] + + Or you may want to disable the defaults by passing an empty list (e.g., ``[]``). + """ + + default_port = port_by_scheme['http'] + + #: Disable Nagle's algorithm by default. + #: ``[(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]`` + default_socket_options = [(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)] + + #: Whether this connection verifies the host's certificate. + is_verified = False + + def __init__(self, *args, **kw): + if six.PY3: # Python 3 + kw.pop('strict', None) + + # Pre-set source_address. + self.source_address = kw.get('source_address') + + #: The socket options provided by the user. If no options are + #: provided, we use the default options. + self.socket_options = kw.pop('socket_options', self.default_socket_options) + + _HTTPConnection.__init__(self, *args, **kw) + + @property + def host(self): + """ + Getter method to remove any trailing dots that indicate the hostname is an FQDN. + + In general, SSL certificates don't include the trailing dot indicating a + fully-qualified domain name, and thus, they don't validate properly when + checked against a domain name that includes the dot. In addition, some + servers may not expect to receive the trailing dot when provided. + + However, the hostname with trailing dot is critical to DNS resolution; doing a + lookup with the trailing dot will properly only resolve the appropriate FQDN, + whereas a lookup without a trailing dot will search the system's search domain + list. Thus, it's important to keep the original host around for use only in + those cases where it's appropriate (i.e., when doing DNS lookup to establish the + actual TCP connection across which we're going to send HTTP requests). + """ + return self._dns_host.rstrip('.') + + @host.setter + def host(self, value): + """ + Setter for the `host` property. + + We assume that only urllib3 uses the _dns_host attribute; httplib itself + only uses `host`, and it seems reasonable that other libraries follow suit. + """ + self._dns_host = value + + def _new_conn(self): + """ Establish a socket connection and set nodelay settings on it. + + :return: New socket connection. + """ + extra_kw = {} + if self.source_address: + extra_kw['source_address'] = self.source_address + + if self.socket_options: + extra_kw['socket_options'] = self.socket_options + + try: + conn = connection.create_connection( + (self._dns_host, self.port), self.timeout, **extra_kw) + + except SocketTimeout as e: + raise ConnectTimeoutError( + self, "Connection to %s timed out. (connect timeout=%s)" % + (self.host, self.timeout)) + + except SocketError as e: + raise NewConnectionError( + self, "Failed to establish a new connection: %s" % e) + + return conn + + def _prepare_conn(self, conn): + self.sock = conn + if self._tunnel_host: + # TODO: Fix tunnel so it doesn't depend on self.sock state. + self._tunnel() + # Mark this connection as not reusable + self.auto_open = 0 + + def connect(self): + conn = self._new_conn() + self._prepare_conn(conn) + + def request_chunked(self, method, url, body=None, headers=None): + """ + Alternative to the common request method, which sends the + body with chunked encoding and not as one block + """ + headers = HTTPHeaderDict(headers if headers is not None else {}) + skip_accept_encoding = 'accept-encoding' in headers + skip_host = 'host' in headers + self.putrequest( + method, + url, + skip_accept_encoding=skip_accept_encoding, + skip_host=skip_host + ) + for header, value in headers.items(): + self.putheader(header, value) + if 'transfer-encoding' not in headers: + self.putheader('Transfer-Encoding', 'chunked') + self.endheaders() + + if body is not None: + stringish_types = six.string_types + (bytes,) + if isinstance(body, stringish_types): + body = (body,) + for chunk in body: + if not chunk: + continue + if not isinstance(chunk, bytes): + chunk = chunk.encode('utf8') + len_str = hex(len(chunk))[2:] + self.send(len_str.encode('utf-8')) + self.send(b'\r\n') + self.send(chunk) + self.send(b'\r\n') + + # After the if clause, to always have a closed body + self.send(b'0\r\n\r\n') + + +class HTTPSConnection(HTTPConnection): + default_port = port_by_scheme['https'] + + ssl_version = None + + def __init__(self, host, port=None, key_file=None, cert_file=None, + strict=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, + ssl_context=None, server_hostname=None, **kw): + + HTTPConnection.__init__(self, host, port, strict=strict, + timeout=timeout, **kw) + + self.key_file = key_file + self.cert_file = cert_file + self.ssl_context = ssl_context + self.server_hostname = server_hostname + + # Required property for Google AppEngine 1.9.0 which otherwise causes + # HTTPS requests to go out as HTTP. (See Issue #356) + self._protocol = 'https' + + def connect(self): + conn = self._new_conn() + self._prepare_conn(conn) + + if self.ssl_context is None: + self.ssl_context = create_urllib3_context( + ssl_version=resolve_ssl_version(None), + cert_reqs=resolve_cert_reqs(None), + ) + + self.sock = ssl_wrap_socket( + sock=conn, + keyfile=self.key_file, + certfile=self.cert_file, + ssl_context=self.ssl_context, + server_hostname=self.server_hostname + ) + + +class VerifiedHTTPSConnection(HTTPSConnection): + """ + Based on httplib.HTTPSConnection but wraps the socket with + SSL certification. + """ + cert_reqs = None + ca_certs = None + ca_cert_dir = None + ssl_version = None + assert_fingerprint = None + + def set_cert(self, key_file=None, cert_file=None, + cert_reqs=None, ca_certs=None, + assert_hostname=None, assert_fingerprint=None, + ca_cert_dir=None): + """ + This method should only be called once, before the connection is used. + """ + # If cert_reqs is not provided, we can try to guess. If the user gave + # us a cert database, we assume they want to use it: otherwise, if + # they gave us an SSL Context object we should use whatever is set for + # it. + if cert_reqs is None: + if ca_certs or ca_cert_dir: + cert_reqs = 'CERT_REQUIRED' + elif self.ssl_context is not None: + cert_reqs = self.ssl_context.verify_mode + + self.key_file = key_file + self.cert_file = cert_file + self.cert_reqs = cert_reqs + self.assert_hostname = assert_hostname + self.assert_fingerprint = assert_fingerprint + self.ca_certs = ca_certs and os.path.expanduser(ca_certs) + self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir) + + def connect(self): + # Add certificate verification + conn = self._new_conn() + hostname = self.host + + if self._tunnel_host: + self.sock = conn + # Calls self._set_hostport(), so self.host is + # self._tunnel_host below. + self._tunnel() + # Mark this connection as not reusable + self.auto_open = 0 + + # Override the host with the one we're requesting data from. + hostname = self._tunnel_host + + server_hostname = hostname + if self.server_hostname is not None: + server_hostname = self.server_hostname + + is_time_off = datetime.date.today() < RECENT_DATE + if is_time_off: + warnings.warn(( + 'System time is way off (before {0}). This will probably ' + 'lead to SSL verification errors').format(RECENT_DATE), + SystemTimeWarning + ) + + # Wrap socket using verification with the root certs in + # trusted_root_certs + if self.ssl_context is None: + self.ssl_context = create_urllib3_context( + ssl_version=resolve_ssl_version(self.ssl_version), + cert_reqs=resolve_cert_reqs(self.cert_reqs), + ) + + context = self.ssl_context + context.verify_mode = resolve_cert_reqs(self.cert_reqs) + self.sock = ssl_wrap_socket( + sock=conn, + keyfile=self.key_file, + certfile=self.cert_file, + ca_certs=self.ca_certs, + ca_cert_dir=self.ca_cert_dir, + server_hostname=server_hostname, + ssl_context=context) + + if self.assert_fingerprint: + assert_fingerprint(self.sock.getpeercert(binary_form=True), + self.assert_fingerprint) + elif context.verify_mode != ssl.CERT_NONE \ + and not getattr(context, 'check_hostname', False) \ + and self.assert_hostname is not False: + # While urllib3 attempts to always turn off hostname matching from + # the TLS library, this cannot always be done. So we check whether + # the TLS Library still thinks it's matching hostnames. + cert = self.sock.getpeercert() + if not cert.get('subjectAltName', ()): + warnings.warn(( + 'Certificate for {0} has no `subjectAltName`, falling back to check for a ' + '`commonName` for now. This feature is being removed by major browsers and ' + 'deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 ' + 'for details.)'.format(hostname)), + SubjectAltNameWarning + ) + _match_hostname(cert, self.assert_hostname or server_hostname) + + self.is_verified = ( + context.verify_mode == ssl.CERT_REQUIRED or + self.assert_fingerprint is not None + ) + + +def _match_hostname(cert, asserted_hostname): + try: + match_hostname(cert, asserted_hostname) + except CertificateError as e: + log.error( + 'Certificate did not match expected hostname: %s. ' + 'Certificate: %s', asserted_hostname, cert + ) + # Add cert to exception and reraise so client code can inspect + # the cert when catching the exception, if they want to + e._peer_cert = cert + raise + + +if ssl: + # Make a copy for testing. + UnverifiedHTTPSConnection = HTTPSConnection + HTTPSConnection = VerifiedHTTPSConnection +else: + HTTPSConnection = DummyConnection diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connectionpool.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connectionpool.py new file mode 100644 index 0000000..f7a8f19 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/connectionpool.py @@ -0,0 +1,896 @@ +from __future__ import absolute_import +import errno +import logging +import sys +import warnings + +from socket import error as SocketError, timeout as SocketTimeout +import socket + + +from .exceptions import ( + ClosedPoolError, + ProtocolError, + EmptyPoolError, + HeaderParsingError, + HostChangedError, + LocationValueError, + MaxRetryError, + ProxyError, + ReadTimeoutError, + SSLError, + TimeoutError, + InsecureRequestWarning, + NewConnectionError, +) +from .packages.ssl_match_hostname import CertificateError +from .packages import six +from .packages.six.moves import queue +from .connection import ( + port_by_scheme, + DummyConnection, + HTTPConnection, HTTPSConnection, VerifiedHTTPSConnection, + HTTPException, BaseSSLError, +) +from .request import RequestMethods +from .response import HTTPResponse + +from .util.connection import is_connection_dropped +from .util.request import set_file_position +from .util.response import assert_header_parsing +from .util.retry import Retry +from .util.timeout import Timeout +from .util.url import get_host, Url, NORMALIZABLE_SCHEMES +from .util.queue import LifoQueue + + +xrange = six.moves.xrange + +log = logging.getLogger(__name__) + +_Default = object() + + +# Pool objects +class ConnectionPool(object): + """ + Base class for all connection pools, such as + :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`. + """ + + scheme = None + QueueCls = LifoQueue + + def __init__(self, host, port=None): + if not host: + raise LocationValueError("No host specified.") + + self.host = _ipv6_host(host, self.scheme) + self._proxy_host = host.lower() + self.port = port + + def __str__(self): + return '%s(host=%r, port=%r)' % (type(self).__name__, + self.host, self.port) + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + self.close() + # Return False to re-raise any potential exceptions + return False + + def close(self): + """ + Close all pooled connections and disable the pool. + """ + pass + + +# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252 +_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK} + + +class HTTPConnectionPool(ConnectionPool, RequestMethods): + """ + Thread-safe connection pool for one host. + + :param host: + Host used for this HTTP Connection (e.g. "localhost"), passed into + :class:`httplib.HTTPConnection`. + + :param port: + Port used for this HTTP Connection (None is equivalent to 80), passed + into :class:`httplib.HTTPConnection`. + + :param strict: + Causes BadStatusLine to be raised if the status line can't be parsed + as a valid HTTP/1.0 or 1.1 status line, passed into + :class:`httplib.HTTPConnection`. + + .. note:: + Only works in Python 2. This parameter is ignored in Python 3. + + :param timeout: + Socket timeout in seconds for each individual connection. This can + be a float or integer, which sets the timeout for the HTTP request, + or an instance of :class:`urllib3.util.Timeout` which gives you more + fine-grained control over request timeouts. After the constructor has + been parsed, this is always a `urllib3.util.Timeout` object. + + :param maxsize: + Number of connections to save that can be reused. More than 1 is useful + in multithreaded situations. If ``block`` is set to False, more + connections will be created but they will not be saved once they've + been used. + + :param block: + If set to True, no more than ``maxsize`` connections will be used at + a time. When no free connections are available, the call will block + until a connection has been released. This is a useful side effect for + particular multithreaded situations where one does not want to use more + than maxsize connections per host to prevent flooding. + + :param headers: + Headers to include with all requests, unless other headers are given + explicitly. + + :param retries: + Retry configuration to use by default with requests in this pool. + + :param _proxy: + Parsed proxy URL, should not be used directly, instead, see + :class:`urllib3.connectionpool.ProxyManager`" + + :param _proxy_headers: + A dictionary with proxy headers, should not be used directly, + instead, see :class:`urllib3.connectionpool.ProxyManager`" + + :param \\**conn_kw: + Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`, + :class:`urllib3.connection.HTTPSConnection` instances. + """ + + scheme = 'http' + ConnectionCls = HTTPConnection + ResponseCls = HTTPResponse + + def __init__(self, host, port=None, strict=False, + timeout=Timeout.DEFAULT_TIMEOUT, maxsize=1, block=False, + headers=None, retries=None, + _proxy=None, _proxy_headers=None, + **conn_kw): + ConnectionPool.__init__(self, host, port) + RequestMethods.__init__(self, headers) + + self.strict = strict + + if not isinstance(timeout, Timeout): + timeout = Timeout.from_float(timeout) + + if retries is None: + retries = Retry.DEFAULT + + self.timeout = timeout + self.retries = retries + + self.pool = self.QueueCls(maxsize) + self.block = block + + self.proxy = _proxy + self.proxy_headers = _proxy_headers or {} + + # Fill the queue up so that doing get() on it will block properly + for _ in xrange(maxsize): + self.pool.put(None) + + # These are mostly for testing and debugging purposes. + self.num_connections = 0 + self.num_requests = 0 + self.conn_kw = conn_kw + + if self.proxy: + # Enable Nagle's algorithm for proxies, to avoid packet fragmentation. + # We cannot know if the user has added default socket options, so we cannot replace the + # list. + self.conn_kw.setdefault('socket_options', []) + + def _new_conn(self): + """ + Return a fresh :class:`HTTPConnection`. + """ + self.num_connections += 1 + log.debug("Starting new HTTP connection (%d): %s:%s", + self.num_connections, self.host, self.port or "80") + + conn = self.ConnectionCls(host=self.host, port=self.port, + timeout=self.timeout.connect_timeout, + strict=self.strict, **self.conn_kw) + return conn + + def _get_conn(self, timeout=None): + """ + Get a connection. Will return a pooled connection if one is available. + + If no connections are available and :prop:`.block` is ``False``, then a + fresh connection is returned. + + :param timeout: + Seconds to wait before giving up and raising + :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and + :prop:`.block` is ``True``. + """ + conn = None + try: + conn = self.pool.get(block=self.block, timeout=timeout) + + except AttributeError: # self.pool is None + raise ClosedPoolError(self, "Pool is closed.") + + except queue.Empty: + if self.block: + raise EmptyPoolError(self, + "Pool reached maximum size and no more " + "connections are allowed.") + pass # Oh well, we'll create a new connection then + + # If this is a persistent connection, check if it got disconnected + if conn and is_connection_dropped(conn): + log.debug("Resetting dropped connection: %s", self.host) + conn.close() + if getattr(conn, 'auto_open', 1) == 0: + # This is a proxied connection that has been mutated by + # httplib._tunnel() and cannot be reused (since it would + # attempt to bypass the proxy) + conn = None + + return conn or self._new_conn() + + def _put_conn(self, conn): + """ + Put a connection back into the pool. + + :param conn: + Connection object for the current host and port as returned by + :meth:`._new_conn` or :meth:`._get_conn`. + + If the pool is already full, the connection is closed and discarded + because we exceeded maxsize. If connections are discarded frequently, + then maxsize should be increased. + + If the pool is closed, then the connection will be closed and discarded. + """ + try: + self.pool.put(conn, block=False) + return # Everything is dandy, done. + except AttributeError: + # self.pool is None. + pass + except queue.Full: + # This should never happen if self.block == True + log.warning( + "Connection pool is full, discarding connection: %s", + self.host) + + # Connection never got put back into the pool, close it. + if conn: + conn.close() + + def _validate_conn(self, conn): + """ + Called right before a request is made, after the socket is created. + """ + pass + + def _prepare_proxy(self, conn): + # Nothing to do for HTTP connections. + pass + + def _get_timeout(self, timeout): + """ Helper that always returns a :class:`urllib3.util.Timeout` """ + if timeout is _Default: + return self.timeout.clone() + + if isinstance(timeout, Timeout): + return timeout.clone() + else: + # User passed us an int/float. This is for backwards compatibility, + # can be removed later + return Timeout.from_float(timeout) + + def _raise_timeout(self, err, url, timeout_value): + """Is the error actually a timeout? Will raise a ReadTimeout or pass""" + + if isinstance(err, SocketTimeout): + raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) + + # See the above comment about EAGAIN in Python 3. In Python 2 we have + # to specifically catch it and throw the timeout error + if hasattr(err, 'errno') and err.errno in _blocking_errnos: + raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) + + # Catch possible read timeouts thrown as SSL errors. If not the + # case, rethrow the original. We need to do this because of: + # http://bugs.python.org/issue10272 + if 'timed out' in str(err) or 'did not complete (read)' in str(err): # Python < 2.7.4 + raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) + + def _make_request(self, conn, method, url, timeout=_Default, chunked=False, + **httplib_request_kw): + """ + Perform a request on a given urllib connection object taken from our + pool. + + :param conn: + a connection from one of our connection pools + + :param timeout: + Socket timeout in seconds for the request. This can be a + float or integer, which will set the same timeout value for + the socket connect and the socket read, or an instance of + :class:`urllib3.util.Timeout`, which gives you more fine-grained + control over your timeouts. + """ + self.num_requests += 1 + + timeout_obj = self._get_timeout(timeout) + timeout_obj.start_connect() + conn.timeout = timeout_obj.connect_timeout + + # Trigger any extra validation we need to do. + try: + self._validate_conn(conn) + except (SocketTimeout, BaseSSLError) as e: + # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout. + self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) + raise + + # conn.request() calls httplib.*.request, not the method in + # urllib3.request. It also calls makefile (recv) on the socket. + if chunked: + conn.request_chunked(method, url, **httplib_request_kw) + else: + conn.request(method, url, **httplib_request_kw) + + # Reset the timeout for the recv() on the socket + read_timeout = timeout_obj.read_timeout + + # App Engine doesn't have a sock attr + if getattr(conn, 'sock', None): + # In Python 3 socket.py will catch EAGAIN and return None when you + # try and read into the file pointer created by http.client, which + # instead raises a BadStatusLine exception. Instead of catching + # the exception and assuming all BadStatusLine exceptions are read + # timeouts, check for a zero timeout before making the request. + if read_timeout == 0: + raise ReadTimeoutError( + self, url, "Read timed out. (read timeout=%s)" % read_timeout) + if read_timeout is Timeout.DEFAULT_TIMEOUT: + conn.sock.settimeout(socket.getdefaulttimeout()) + else: # None or a value + conn.sock.settimeout(read_timeout) + + # Receive the response from the server + try: + try: # Python 2.7, use buffering of HTTP responses + httplib_response = conn.getresponse(buffering=True) + except TypeError: # Python 3 + try: + httplib_response = conn.getresponse() + except Exception as e: + # Remove the TypeError from the exception chain in Python 3; + # otherwise it looks like a programming error was the cause. + six.raise_from(e, None) + except (SocketTimeout, BaseSSLError, SocketError) as e: + self._raise_timeout(err=e, url=url, timeout_value=read_timeout) + raise + + # AppEngine doesn't have a version attr. + http_version = getattr(conn, '_http_vsn_str', 'HTTP/?') + log.debug("%s://%s:%s \"%s %s %s\" %s %s", self.scheme, self.host, self.port, + method, url, http_version, httplib_response.status, + httplib_response.length) + + try: + assert_header_parsing(httplib_response.msg) + except (HeaderParsingError, TypeError) as hpe: # Platform-specific: Python 3 + log.warning( + 'Failed to parse headers (url=%s): %s', + self._absolute_url(url), hpe, exc_info=True) + + return httplib_response + + def _absolute_url(self, path): + return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url + + def close(self): + """ + Close all pooled connections and disable the pool. + """ + if self.pool is None: + return + # Disable access to the pool + old_pool, self.pool = self.pool, None + + try: + while True: + conn = old_pool.get(block=False) + if conn: + conn.close() + + except queue.Empty: + pass # Done. + + def is_same_host(self, url): + """ + Check if the given ``url`` is a member of the same host as this + connection pool. + """ + if url.startswith('/'): + return True + + # TODO: Add optional support for socket.gethostbyname checking. + scheme, host, port = get_host(url) + + host = _ipv6_host(host, self.scheme) + + # Use explicit default port for comparison when none is given + if self.port and not port: + port = port_by_scheme.get(scheme) + elif not self.port and port == port_by_scheme.get(scheme): + port = None + + return (scheme, host, port) == (self.scheme, self.host, self.port) + + def urlopen(self, method, url, body=None, headers=None, retries=None, + redirect=True, assert_same_host=True, timeout=_Default, + pool_timeout=None, release_conn=None, chunked=False, + body_pos=None, **response_kw): + """ + Get a connection from the pool and perform an HTTP request. This is the + lowest level call for making a request, so you'll need to specify all + the raw details. + + .. note:: + + More commonly, it's appropriate to use a convenience method provided + by :class:`.RequestMethods`, such as :meth:`request`. + + .. note:: + + `release_conn` will only behave as expected if + `preload_content=False` because we want to make + `preload_content=False` the default behaviour someday soon without + breaking backwards compatibility. + + :param method: + HTTP request method (such as GET, POST, PUT, etc.) + + :param body: + Data to send in the request body (useful for creating + POST requests, see HTTPConnectionPool.post_url for + more convenience). + + :param headers: + Dictionary of custom headers to send, such as User-Agent, + If-None-Match, etc. If None, pool headers are used. If provided, + these headers completely replace any pool-specific headers. + + :param retries: + Configure the number of retries to allow before raising a + :class:`~urllib3.exceptions.MaxRetryError` exception. + + Pass ``None`` to retry until you receive a response. Pass a + :class:`~urllib3.util.retry.Retry` object for fine-grained control + over different types of retries. + Pass an integer number to retry connection errors that many times, + but no other types of errors. Pass zero to never retry. + + If ``False``, then retries are disabled and any exception is raised + immediately. Also, instead of raising a MaxRetryError on redirects, + the redirect response will be returned. + + :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. + + :param redirect: + If True, automatically handle redirects (status codes 301, 302, + 303, 307, 308). Each redirect counts as a retry. Disabling retries + will disable redirect, too. + + :param assert_same_host: + If ``True``, will make sure that the host of the pool requests is + consistent else will raise HostChangedError. When False, you can + use the pool on an HTTP proxy and request foreign hosts. + + :param timeout: + If specified, overrides the default timeout for this one + request. It may be a float (in seconds) or an instance of + :class:`urllib3.util.Timeout`. + + :param pool_timeout: + If set and the pool is set to block=True, then this method will + block for ``pool_timeout`` seconds and raise EmptyPoolError if no + connection is available within the time period. + + :param release_conn: + If False, then the urlopen call will not release the connection + back into the pool once a response is received (but will release if + you read the entire contents of the response such as when + `preload_content=True`). This is useful if you're not preloading + the response's content immediately. You will need to call + ``r.release_conn()`` on the response ``r`` to return the connection + back into the pool. If None, it takes the value of + ``response_kw.get('preload_content', True)``. + + :param chunked: + If True, urllib3 will send the body using chunked transfer + encoding. Otherwise, urllib3 will send the body using the standard + content-length form. Defaults to False. + + :param int body_pos: + Position to seek to in file-like body in the event of a retry or + redirect. Typically this won't need to be set because urllib3 will + auto-populate the value when needed. + + :param \\**response_kw: + Additional parameters are passed to + :meth:`urllib3.response.HTTPResponse.from_httplib` + """ + if headers is None: + headers = self.headers + + if not isinstance(retries, Retry): + retries = Retry.from_int(retries, redirect=redirect, default=self.retries) + + if release_conn is None: + release_conn = response_kw.get('preload_content', True) + + # Check host + if assert_same_host and not self.is_same_host(url): + raise HostChangedError(self, url, retries) + + conn = None + + # Track whether `conn` needs to be released before + # returning/raising/recursing. Update this variable if necessary, and + # leave `release_conn` constant throughout the function. That way, if + # the function recurses, the original value of `release_conn` will be + # passed down into the recursive call, and its value will be respected. + # + # See issue #651 [1] for details. + # + # [1] <https://github.com/shazow/urllib3/issues/651> + release_this_conn = release_conn + + # Merge the proxy headers. Only do this in HTTP. We have to copy the + # headers dict so we can safely change it without those changes being + # reflected in anyone else's copy. + if self.scheme == 'http': + headers = headers.copy() + headers.update(self.proxy_headers) + + # Must keep the exception bound to a separate variable or else Python 3 + # complains about UnboundLocalError. + err = None + + # Keep track of whether we cleanly exited the except block. This + # ensures we do proper cleanup in finally. + clean_exit = False + + # Rewind body position, if needed. Record current position + # for future rewinds in the event of a redirect/retry. + body_pos = set_file_position(body, body_pos) + + try: + # Request a connection from the queue. + timeout_obj = self._get_timeout(timeout) + conn = self._get_conn(timeout=pool_timeout) + + conn.timeout = timeout_obj.connect_timeout + + is_new_proxy_conn = self.proxy is not None and not getattr(conn, 'sock', None) + if is_new_proxy_conn: + self._prepare_proxy(conn) + + # Make the request on the httplib connection object. + httplib_response = self._make_request(conn, method, url, + timeout=timeout_obj, + body=body, headers=headers, + chunked=chunked) + + # If we're going to release the connection in ``finally:``, then + # the response doesn't need to know about the connection. Otherwise + # it will also try to release it and we'll have a double-release + # mess. + response_conn = conn if not release_conn else None + + # Pass method to Response for length checking + response_kw['request_method'] = method + + # Import httplib's response into our own wrapper object + response = self.ResponseCls.from_httplib(httplib_response, + pool=self, + connection=response_conn, + retries=retries, + **response_kw) + + # Everything went great! + clean_exit = True + + except queue.Empty: + # Timed out by queue. + raise EmptyPoolError(self, "No pool connections are available.") + + except (TimeoutError, HTTPException, SocketError, ProtocolError, + BaseSSLError, SSLError, CertificateError) as e: + # Discard the connection for these exceptions. It will be + # replaced during the next _get_conn() call. + clean_exit = False + if isinstance(e, (BaseSSLError, CertificateError)): + e = SSLError(e) + elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy: + e = ProxyError('Cannot connect to proxy.', e) + elif isinstance(e, (SocketError, HTTPException)): + e = ProtocolError('Connection aborted.', e) + + retries = retries.increment(method, url, error=e, _pool=self, + _stacktrace=sys.exc_info()[2]) + retries.sleep() + + # Keep track of the error for the retry warning. + err = e + + finally: + if not clean_exit: + # We hit some kind of exception, handled or otherwise. We need + # to throw the connection away unless explicitly told not to. + # Close the connection, set the variable to None, and make sure + # we put the None back in the pool to avoid leaking it. + conn = conn and conn.close() + release_this_conn = True + + if release_this_conn: + # Put the connection back to be reused. If the connection is + # expired then it will be None, which will get replaced with a + # fresh connection during _get_conn. + self._put_conn(conn) + + if not conn: + # Try again + log.warning("Retrying (%r) after connection " + "broken by '%r': %s", retries, err, url) + return self.urlopen(method, url, body, headers, retries, + redirect, assert_same_host, + timeout=timeout, pool_timeout=pool_timeout, + release_conn=release_conn, body_pos=body_pos, + **response_kw) + + def drain_and_release_conn(response): + try: + # discard any remaining response body, the connection will be + # released back to the pool once the entire response is read + response.read() + except (TimeoutError, HTTPException, SocketError, ProtocolError, + BaseSSLError, SSLError) as e: + pass + + # Handle redirect? + redirect_location = redirect and response.get_redirect_location() + if redirect_location: + if response.status == 303: + method = 'GET' + + try: + retries = retries.increment(method, url, response=response, _pool=self) + except MaxRetryError: + if retries.raise_on_redirect: + # Drain and release the connection for this response, since + # we're not returning it to be released manually. + drain_and_release_conn(response) + raise + return response + + # drain and return the connection to the pool before recursing + drain_and_release_conn(response) + + retries.sleep_for_retry(response) + log.debug("Redirecting %s -> %s", url, redirect_location) + return self.urlopen( + method, redirect_location, body, headers, + retries=retries, redirect=redirect, + assert_same_host=assert_same_host, + timeout=timeout, pool_timeout=pool_timeout, + release_conn=release_conn, body_pos=body_pos, + **response_kw) + + # Check if we should retry the HTTP response. + has_retry_after = bool(response.getheader('Retry-After')) + if retries.is_retry(method, response.status, has_retry_after): + try: + retries = retries.increment(method, url, response=response, _pool=self) + except MaxRetryError: + if retries.raise_on_status: + # Drain and release the connection for this response, since + # we're not returning it to be released manually. + drain_and_release_conn(response) + raise + return response + + # drain and return the connection to the pool before recursing + drain_and_release_conn(response) + + retries.sleep(response) + log.debug("Retry: %s", url) + return self.urlopen( + method, url, body, headers, + retries=retries, redirect=redirect, + assert_same_host=assert_same_host, + timeout=timeout, pool_timeout=pool_timeout, + release_conn=release_conn, + body_pos=body_pos, **response_kw) + + return response + + +class HTTPSConnectionPool(HTTPConnectionPool): + """ + Same as :class:`.HTTPConnectionPool`, but HTTPS. + + When Python is compiled with the :mod:`ssl` module, then + :class:`.VerifiedHTTPSConnection` is used, which *can* verify certificates, + instead of :class:`.HTTPSConnection`. + + :class:`.VerifiedHTTPSConnection` uses one of ``assert_fingerprint``, + ``assert_hostname`` and ``host`` in this order to verify connections. + If ``assert_hostname`` is False, no verification is done. + + The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``, + ``ca_cert_dir``, and ``ssl_version`` are only used if :mod:`ssl` is + available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade + the connection socket into an SSL socket. + """ + + scheme = 'https' + ConnectionCls = HTTPSConnection + + def __init__(self, host, port=None, + strict=False, timeout=Timeout.DEFAULT_TIMEOUT, maxsize=1, + block=False, headers=None, retries=None, + _proxy=None, _proxy_headers=None, + key_file=None, cert_file=None, cert_reqs=None, + ca_certs=None, ssl_version=None, + assert_hostname=None, assert_fingerprint=None, + ca_cert_dir=None, **conn_kw): + + HTTPConnectionPool.__init__(self, host, port, strict, timeout, maxsize, + block, headers, retries, _proxy, _proxy_headers, + **conn_kw) + + if ca_certs and cert_reqs is None: + cert_reqs = 'CERT_REQUIRED' + + self.key_file = key_file + self.cert_file = cert_file + self.cert_reqs = cert_reqs + self.ca_certs = ca_certs + self.ca_cert_dir = ca_cert_dir + self.ssl_version = ssl_version + self.assert_hostname = assert_hostname + self.assert_fingerprint = assert_fingerprint + + def _prepare_conn(self, conn): + """ + Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket` + and establish the tunnel if proxy is used. + """ + + if isinstance(conn, VerifiedHTTPSConnection): + conn.set_cert(key_file=self.key_file, + cert_file=self.cert_file, + cert_reqs=self.cert_reqs, + ca_certs=self.ca_certs, + ca_cert_dir=self.ca_cert_dir, + assert_hostname=self.assert_hostname, + assert_fingerprint=self.assert_fingerprint) + conn.ssl_version = self.ssl_version + return conn + + def _prepare_proxy(self, conn): + """ + Establish tunnel connection early, because otherwise httplib + would improperly set Host: header to proxy's IP:port. + """ + conn.set_tunnel(self._proxy_host, self.port, self.proxy_headers) + conn.connect() + + def _new_conn(self): + """ + Return a fresh :class:`httplib.HTTPSConnection`. + """ + self.num_connections += 1 + log.debug("Starting new HTTPS connection (%d): %s:%s", + self.num_connections, self.host, self.port or "443") + + if not self.ConnectionCls or self.ConnectionCls is DummyConnection: + raise SSLError("Can't connect to HTTPS URL because the SSL " + "module is not available.") + + actual_host = self.host + actual_port = self.port + if self.proxy is not None: + actual_host = self.proxy.host + actual_port = self.proxy.port + + conn = self.ConnectionCls(host=actual_host, port=actual_port, + timeout=self.timeout.connect_timeout, + strict=self.strict, **self.conn_kw) + + return self._prepare_conn(conn) + + def _validate_conn(self, conn): + """ + Called right before a request is made, after the socket is created. + """ + super(HTTPSConnectionPool, self)._validate_conn(conn) + + # Force connect early to allow us to validate the connection. + if not getattr(conn, 'sock', None): # AppEngine might not have `.sock` + conn.connect() + + if not conn.is_verified: + warnings.warn(( + 'Unverified HTTPS request is being made. ' + 'Adding certificate verification is strongly advised. See: ' + 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' + '#ssl-warnings'), + InsecureRequestWarning) + + +def connection_from_url(url, **kw): + """ + Given a url, return an :class:`.ConnectionPool` instance of its host. + + This is a shortcut for not having to parse out the scheme, host, and port + of the url before creating an :class:`.ConnectionPool` instance. + + :param url: + Absolute URL string that must include the scheme. Port is optional. + + :param \\**kw: + Passes additional parameters to the constructor of the appropriate + :class:`.ConnectionPool`. Useful for specifying things like + timeout, maxsize, headers, etc. + + Example:: + + >>> conn = connection_from_url('http://google.com/') + >>> r = conn.request('GET', '/') + """ + scheme, host, port = get_host(url) + port = port or port_by_scheme.get(scheme, 80) + if scheme == 'https': + return HTTPSConnectionPool(host, port=port, **kw) + else: + return HTTPConnectionPool(host, port=port, **kw) + + +def _ipv6_host(host, scheme): + """ + Process IPv6 address literals + """ + + # httplib doesn't like it when we include brackets in IPv6 addresses + # Specifically, if we include brackets but also pass the port then + # httplib crazily doubles up the square brackets on the Host header. + # Instead, we need to make sure we never pass ``None`` as the port. + # However, for backward compatibility reasons we can't actually + # *assert* that. See http://bugs.python.org/issue28539 + # + # Also if an IPv6 address literal has a zone identifier, the + # percent sign might be URIencoded, convert it back into ASCII + if host.startswith('[') and host.endswith(']'): + host = host.replace('%25', '%').strip('[]') + if scheme in NORMALIZABLE_SCHEMES: + host = host.lower() + return host diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_appengine_environ.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_appengine_environ.py new file mode 100644 index 0000000..f3e0094 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_appengine_environ.py @@ -0,0 +1,30 @@ +""" +This module provides means to detect the App Engine environment. +""" + +import os + + +def is_appengine(): + return (is_local_appengine() or + is_prod_appengine() or + is_prod_appengine_mvms()) + + +def is_appengine_sandbox(): + return is_appengine() and not is_prod_appengine_mvms() + + +def is_local_appengine(): + return ('APPENGINE_RUNTIME' in os.environ and + 'Development/' in os.environ['SERVER_SOFTWARE']) + + +def is_prod_appengine(): + return ('APPENGINE_RUNTIME' in os.environ and + 'Google App Engine/' in os.environ['SERVER_SOFTWARE'] and + not is_prod_appengine_mvms()) + + +def is_prod_appengine_mvms(): + return os.environ.get('GAE_VM', False) == 'true' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/bindings.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/bindings.py new file mode 100644 index 0000000..bcf41c0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/bindings.py @@ -0,0 +1,593 @@ +""" +This module uses ctypes to bind a whole bunch of functions and constants from +SecureTransport. The goal here is to provide the low-level API to +SecureTransport. These are essentially the C-level functions and constants, and +they're pretty gross to work with. + +This code is a bastardised version of the code found in Will Bond's oscrypto +library. An enormous debt is owed to him for blazing this trail for us. For +that reason, this code should be considered to be covered both by urllib3's +license and by oscrypto's: + + Copyright (c) 2015-2016 Will Bond <will@wbond.net> + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. +""" +from __future__ import absolute_import + +import platform +from ctypes.util import find_library +from ctypes import ( + c_void_p, c_int32, c_char_p, c_size_t, c_byte, c_uint32, c_ulong, c_long, + c_bool +) +from ctypes import CDLL, POINTER, CFUNCTYPE + + +security_path = find_library('Security') +if not security_path: + raise ImportError('The library Security could not be found') + + +core_foundation_path = find_library('CoreFoundation') +if not core_foundation_path: + raise ImportError('The library CoreFoundation could not be found') + + +version = platform.mac_ver()[0] +version_info = tuple(map(int, version.split('.'))) +if version_info < (10, 8): + raise OSError( + 'Only OS X 10.8 and newer are supported, not %s.%s' % ( + version_info[0], version_info[1] + ) + ) + +Security = CDLL(security_path, use_errno=True) +CoreFoundation = CDLL(core_foundation_path, use_errno=True) + +Boolean = c_bool +CFIndex = c_long +CFStringEncoding = c_uint32 +CFData = c_void_p +CFString = c_void_p +CFArray = c_void_p +CFMutableArray = c_void_p +CFDictionary = c_void_p +CFError = c_void_p +CFType = c_void_p +CFTypeID = c_ulong + +CFTypeRef = POINTER(CFType) +CFAllocatorRef = c_void_p + +OSStatus = c_int32 + +CFDataRef = POINTER(CFData) +CFStringRef = POINTER(CFString) +CFArrayRef = POINTER(CFArray) +CFMutableArrayRef = POINTER(CFMutableArray) +CFDictionaryRef = POINTER(CFDictionary) +CFArrayCallBacks = c_void_p +CFDictionaryKeyCallBacks = c_void_p +CFDictionaryValueCallBacks = c_void_p + +SecCertificateRef = POINTER(c_void_p) +SecExternalFormat = c_uint32 +SecExternalItemType = c_uint32 +SecIdentityRef = POINTER(c_void_p) +SecItemImportExportFlags = c_uint32 +SecItemImportExportKeyParameters = c_void_p +SecKeychainRef = POINTER(c_void_p) +SSLProtocol = c_uint32 +SSLCipherSuite = c_uint32 +SSLContextRef = POINTER(c_void_p) +SecTrustRef = POINTER(c_void_p) +SSLConnectionRef = c_uint32 +SecTrustResultType = c_uint32 +SecTrustOptionFlags = c_uint32 +SSLProtocolSide = c_uint32 +SSLConnectionType = c_uint32 +SSLSessionOption = c_uint32 + + +try: + Security.SecItemImport.argtypes = [ + CFDataRef, + CFStringRef, + POINTER(SecExternalFormat), + POINTER(SecExternalItemType), + SecItemImportExportFlags, + POINTER(SecItemImportExportKeyParameters), + SecKeychainRef, + POINTER(CFArrayRef), + ] + Security.SecItemImport.restype = OSStatus + + Security.SecCertificateGetTypeID.argtypes = [] + Security.SecCertificateGetTypeID.restype = CFTypeID + + Security.SecIdentityGetTypeID.argtypes = [] + Security.SecIdentityGetTypeID.restype = CFTypeID + + Security.SecKeyGetTypeID.argtypes = [] + Security.SecKeyGetTypeID.restype = CFTypeID + + Security.SecCertificateCreateWithData.argtypes = [ + CFAllocatorRef, + CFDataRef + ] + Security.SecCertificateCreateWithData.restype = SecCertificateRef + + Security.SecCertificateCopyData.argtypes = [ + SecCertificateRef + ] + Security.SecCertificateCopyData.restype = CFDataRef + + Security.SecCopyErrorMessageString.argtypes = [ + OSStatus, + c_void_p + ] + Security.SecCopyErrorMessageString.restype = CFStringRef + + Security.SecIdentityCreateWithCertificate.argtypes = [ + CFTypeRef, + SecCertificateRef, + POINTER(SecIdentityRef) + ] + Security.SecIdentityCreateWithCertificate.restype = OSStatus + + Security.SecKeychainCreate.argtypes = [ + c_char_p, + c_uint32, + c_void_p, + Boolean, + c_void_p, + POINTER(SecKeychainRef) + ] + Security.SecKeychainCreate.restype = OSStatus + + Security.SecKeychainDelete.argtypes = [ + SecKeychainRef + ] + Security.SecKeychainDelete.restype = OSStatus + + Security.SecPKCS12Import.argtypes = [ + CFDataRef, + CFDictionaryRef, + POINTER(CFArrayRef) + ] + Security.SecPKCS12Import.restype = OSStatus + + SSLReadFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, c_void_p, POINTER(c_size_t)) + SSLWriteFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, POINTER(c_byte), POINTER(c_size_t)) + + Security.SSLSetIOFuncs.argtypes = [ + SSLContextRef, + SSLReadFunc, + SSLWriteFunc + ] + Security.SSLSetIOFuncs.restype = OSStatus + + Security.SSLSetPeerID.argtypes = [ + SSLContextRef, + c_char_p, + c_size_t + ] + Security.SSLSetPeerID.restype = OSStatus + + Security.SSLSetCertificate.argtypes = [ + SSLContextRef, + CFArrayRef + ] + Security.SSLSetCertificate.restype = OSStatus + + Security.SSLSetCertificateAuthorities.argtypes = [ + SSLContextRef, + CFTypeRef, + Boolean + ] + Security.SSLSetCertificateAuthorities.restype = OSStatus + + Security.SSLSetConnection.argtypes = [ + SSLContextRef, + SSLConnectionRef + ] + Security.SSLSetConnection.restype = OSStatus + + Security.SSLSetPeerDomainName.argtypes = [ + SSLContextRef, + c_char_p, + c_size_t + ] + Security.SSLSetPeerDomainName.restype = OSStatus + + Security.SSLHandshake.argtypes = [ + SSLContextRef + ] + Security.SSLHandshake.restype = OSStatus + + Security.SSLRead.argtypes = [ + SSLContextRef, + c_char_p, + c_size_t, + POINTER(c_size_t) + ] + Security.SSLRead.restype = OSStatus + + Security.SSLWrite.argtypes = [ + SSLContextRef, + c_char_p, + c_size_t, + POINTER(c_size_t) + ] + Security.SSLWrite.restype = OSStatus + + Security.SSLClose.argtypes = [ + SSLContextRef + ] + Security.SSLClose.restype = OSStatus + + Security.SSLGetNumberSupportedCiphers.argtypes = [ + SSLContextRef, + POINTER(c_size_t) + ] + Security.SSLGetNumberSupportedCiphers.restype = OSStatus + + Security.SSLGetSupportedCiphers.argtypes = [ + SSLContextRef, + POINTER(SSLCipherSuite), + POINTER(c_size_t) + ] + Security.SSLGetSupportedCiphers.restype = OSStatus + + Security.SSLSetEnabledCiphers.argtypes = [ + SSLContextRef, + POINTER(SSLCipherSuite), + c_size_t + ] + Security.SSLSetEnabledCiphers.restype = OSStatus + + Security.SSLGetNumberEnabledCiphers.argtype = [ + SSLContextRef, + POINTER(c_size_t) + ] + Security.SSLGetNumberEnabledCiphers.restype = OSStatus + + Security.SSLGetEnabledCiphers.argtypes = [ + SSLContextRef, + POINTER(SSLCipherSuite), + POINTER(c_size_t) + ] + Security.SSLGetEnabledCiphers.restype = OSStatus + + Security.SSLGetNegotiatedCipher.argtypes = [ + SSLContextRef, + POINTER(SSLCipherSuite) + ] + Security.SSLGetNegotiatedCipher.restype = OSStatus + + Security.SSLGetNegotiatedProtocolVersion.argtypes = [ + SSLContextRef, + POINTER(SSLProtocol) + ] + Security.SSLGetNegotiatedProtocolVersion.restype = OSStatus + + Security.SSLCopyPeerTrust.argtypes = [ + SSLContextRef, + POINTER(SecTrustRef) + ] + Security.SSLCopyPeerTrust.restype = OSStatus + + Security.SecTrustSetAnchorCertificates.argtypes = [ + SecTrustRef, + CFArrayRef + ] + Security.SecTrustSetAnchorCertificates.restype = OSStatus + + Security.SecTrustSetAnchorCertificatesOnly.argstypes = [ + SecTrustRef, + Boolean + ] + Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus + + Security.SecTrustEvaluate.argtypes = [ + SecTrustRef, + POINTER(SecTrustResultType) + ] + Security.SecTrustEvaluate.restype = OSStatus + + Security.SecTrustGetCertificateCount.argtypes = [ + SecTrustRef + ] + Security.SecTrustGetCertificateCount.restype = CFIndex + + Security.SecTrustGetCertificateAtIndex.argtypes = [ + SecTrustRef, + CFIndex + ] + Security.SecTrustGetCertificateAtIndex.restype = SecCertificateRef + + Security.SSLCreateContext.argtypes = [ + CFAllocatorRef, + SSLProtocolSide, + SSLConnectionType + ] + Security.SSLCreateContext.restype = SSLContextRef + + Security.SSLSetSessionOption.argtypes = [ + SSLContextRef, + SSLSessionOption, + Boolean + ] + Security.SSLSetSessionOption.restype = OSStatus + + Security.SSLSetProtocolVersionMin.argtypes = [ + SSLContextRef, + SSLProtocol + ] + Security.SSLSetProtocolVersionMin.restype = OSStatus + + Security.SSLSetProtocolVersionMax.argtypes = [ + SSLContextRef, + SSLProtocol + ] + Security.SSLSetProtocolVersionMax.restype = OSStatus + + Security.SecCopyErrorMessageString.argtypes = [ + OSStatus, + c_void_p + ] + Security.SecCopyErrorMessageString.restype = CFStringRef + + Security.SSLReadFunc = SSLReadFunc + Security.SSLWriteFunc = SSLWriteFunc + Security.SSLContextRef = SSLContextRef + Security.SSLProtocol = SSLProtocol + Security.SSLCipherSuite = SSLCipherSuite + Security.SecIdentityRef = SecIdentityRef + Security.SecKeychainRef = SecKeychainRef + Security.SecTrustRef = SecTrustRef + Security.SecTrustResultType = SecTrustResultType + Security.SecExternalFormat = SecExternalFormat + Security.OSStatus = OSStatus + + Security.kSecImportExportPassphrase = CFStringRef.in_dll( + Security, 'kSecImportExportPassphrase' + ) + Security.kSecImportItemIdentity = CFStringRef.in_dll( + Security, 'kSecImportItemIdentity' + ) + + # CoreFoundation time! + CoreFoundation.CFRetain.argtypes = [ + CFTypeRef + ] + CoreFoundation.CFRetain.restype = CFTypeRef + + CoreFoundation.CFRelease.argtypes = [ + CFTypeRef + ] + CoreFoundation.CFRelease.restype = None + + CoreFoundation.CFGetTypeID.argtypes = [ + CFTypeRef + ] + CoreFoundation.CFGetTypeID.restype = CFTypeID + + CoreFoundation.CFStringCreateWithCString.argtypes = [ + CFAllocatorRef, + c_char_p, + CFStringEncoding + ] + CoreFoundation.CFStringCreateWithCString.restype = CFStringRef + + CoreFoundation.CFStringGetCStringPtr.argtypes = [ + CFStringRef, + CFStringEncoding + ] + CoreFoundation.CFStringGetCStringPtr.restype = c_char_p + + CoreFoundation.CFStringGetCString.argtypes = [ + CFStringRef, + c_char_p, + CFIndex, + CFStringEncoding + ] + CoreFoundation.CFStringGetCString.restype = c_bool + + CoreFoundation.CFDataCreate.argtypes = [ + CFAllocatorRef, + c_char_p, + CFIndex + ] + CoreFoundation.CFDataCreate.restype = CFDataRef + + CoreFoundation.CFDataGetLength.argtypes = [ + CFDataRef + ] + CoreFoundation.CFDataGetLength.restype = CFIndex + + CoreFoundation.CFDataGetBytePtr.argtypes = [ + CFDataRef + ] + CoreFoundation.CFDataGetBytePtr.restype = c_void_p + + CoreFoundation.CFDictionaryCreate.argtypes = [ + CFAllocatorRef, + POINTER(CFTypeRef), + POINTER(CFTypeRef), + CFIndex, + CFDictionaryKeyCallBacks, + CFDictionaryValueCallBacks + ] + CoreFoundation.CFDictionaryCreate.restype = CFDictionaryRef + + CoreFoundation.CFDictionaryGetValue.argtypes = [ + CFDictionaryRef, + CFTypeRef + ] + CoreFoundation.CFDictionaryGetValue.restype = CFTypeRef + + CoreFoundation.CFArrayCreate.argtypes = [ + CFAllocatorRef, + POINTER(CFTypeRef), + CFIndex, + CFArrayCallBacks, + ] + CoreFoundation.CFArrayCreate.restype = CFArrayRef + + CoreFoundation.CFArrayCreateMutable.argtypes = [ + CFAllocatorRef, + CFIndex, + CFArrayCallBacks + ] + CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef + + CoreFoundation.CFArrayAppendValue.argtypes = [ + CFMutableArrayRef, + c_void_p + ] + CoreFoundation.CFArrayAppendValue.restype = None + + CoreFoundation.CFArrayGetCount.argtypes = [ + CFArrayRef + ] + CoreFoundation.CFArrayGetCount.restype = CFIndex + + CoreFoundation.CFArrayGetValueAtIndex.argtypes = [ + CFArrayRef, + CFIndex + ] + CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p + + CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll( + CoreFoundation, 'kCFAllocatorDefault' + ) + CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(CoreFoundation, 'kCFTypeArrayCallBacks') + CoreFoundation.kCFTypeDictionaryKeyCallBacks = c_void_p.in_dll( + CoreFoundation, 'kCFTypeDictionaryKeyCallBacks' + ) + CoreFoundation.kCFTypeDictionaryValueCallBacks = c_void_p.in_dll( + CoreFoundation, 'kCFTypeDictionaryValueCallBacks' + ) + + CoreFoundation.CFTypeRef = CFTypeRef + CoreFoundation.CFArrayRef = CFArrayRef + CoreFoundation.CFStringRef = CFStringRef + CoreFoundation.CFDictionaryRef = CFDictionaryRef + +except (AttributeError): + raise ImportError('Error initializing ctypes') + + +class CFConst(object): + """ + A class object that acts as essentially a namespace for CoreFoundation + constants. + """ + kCFStringEncodingUTF8 = CFStringEncoding(0x08000100) + + +class SecurityConst(object): + """ + A class object that acts as essentially a namespace for Security constants. + """ + kSSLSessionOptionBreakOnServerAuth = 0 + + kSSLProtocol2 = 1 + kSSLProtocol3 = 2 + kTLSProtocol1 = 4 + kTLSProtocol11 = 7 + kTLSProtocol12 = 8 + + kSSLClientSide = 1 + kSSLStreamType = 0 + + kSecFormatPEMSequence = 10 + + kSecTrustResultInvalid = 0 + kSecTrustResultProceed = 1 + # This gap is present on purpose: this was kSecTrustResultConfirm, which + # is deprecated. + kSecTrustResultDeny = 3 + kSecTrustResultUnspecified = 4 + kSecTrustResultRecoverableTrustFailure = 5 + kSecTrustResultFatalTrustFailure = 6 + kSecTrustResultOtherError = 7 + + errSSLProtocol = -9800 + errSSLWouldBlock = -9803 + errSSLClosedGraceful = -9805 + errSSLClosedNoNotify = -9816 + errSSLClosedAbort = -9806 + + errSSLXCertChainInvalid = -9807 + errSSLCrypto = -9809 + errSSLInternal = -9810 + errSSLCertExpired = -9814 + errSSLCertNotYetValid = -9815 + errSSLUnknownRootCert = -9812 + errSSLNoRootCert = -9813 + errSSLHostNameMismatch = -9843 + errSSLPeerHandshakeFail = -9824 + errSSLPeerUserCancelled = -9839 + errSSLWeakPeerEphemeralDHKey = -9850 + errSSLServerAuthCompleted = -9841 + errSSLRecordOverflow = -9847 + + errSecVerifyFailed = -67808 + errSecNoTrustSettings = -25263 + errSecItemNotFound = -25300 + errSecInvalidTrustSettings = -25262 + + # Cipher suites. We only pick the ones our default cipher string allows. + TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C + TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030 + TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B + TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F + TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3 + TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F + TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2 + TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024 + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028 + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014 + TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B + TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 = 0x006A + TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039 + TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0x0038 + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023 + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027 + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009 + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013 + TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067 + TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 = 0x0040 + TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033 + TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0x0032 + TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D + TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C + TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D + TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C + TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035 + TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F + TLS_AES_128_GCM_SHA256 = 0x1301 + TLS_AES_256_GCM_SHA384 = 0x1302 + TLS_CHACHA20_POLY1305_SHA256 = 0x1303 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/low_level.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/low_level.py new file mode 100644 index 0000000..b13cd9e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/_securetransport/low_level.py @@ -0,0 +1,346 @@ +""" +Low-level helpers for the SecureTransport bindings. + +These are Python functions that are not directly related to the high-level APIs +but are necessary to get them to work. They include a whole bunch of low-level +CoreFoundation messing about and memory management. The concerns in this module +are almost entirely about trying to avoid memory leaks and providing +appropriate and useful assistance to the higher-level code. +""" +import base64 +import ctypes +import itertools +import re +import os +import ssl +import tempfile + +from .bindings import Security, CoreFoundation, CFConst + + +# This regular expression is used to grab PEM data out of a PEM bundle. +_PEM_CERTS_RE = re.compile( + b"-----BEGIN CERTIFICATE-----\n(.*?)\n-----END CERTIFICATE-----", re.DOTALL +) + + +def _cf_data_from_bytes(bytestring): + """ + Given a bytestring, create a CFData object from it. This CFData object must + be CFReleased by the caller. + """ + return CoreFoundation.CFDataCreate( + CoreFoundation.kCFAllocatorDefault, bytestring, len(bytestring) + ) + + +def _cf_dictionary_from_tuples(tuples): + """ + Given a list of Python tuples, create an associated CFDictionary. + """ + dictionary_size = len(tuples) + + # We need to get the dictionary keys and values out in the same order. + keys = (t[0] for t in tuples) + values = (t[1] for t in tuples) + cf_keys = (CoreFoundation.CFTypeRef * dictionary_size)(*keys) + cf_values = (CoreFoundation.CFTypeRef * dictionary_size)(*values) + + return CoreFoundation.CFDictionaryCreate( + CoreFoundation.kCFAllocatorDefault, + cf_keys, + cf_values, + dictionary_size, + CoreFoundation.kCFTypeDictionaryKeyCallBacks, + CoreFoundation.kCFTypeDictionaryValueCallBacks, + ) + + +def _cf_string_to_unicode(value): + """ + Creates a Unicode string from a CFString object. Used entirely for error + reporting. + + Yes, it annoys me quite a lot that this function is this complex. + """ + value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p)) + + string = CoreFoundation.CFStringGetCStringPtr( + value_as_void_p, + CFConst.kCFStringEncodingUTF8 + ) + if string is None: + buffer = ctypes.create_string_buffer(1024) + result = CoreFoundation.CFStringGetCString( + value_as_void_p, + buffer, + 1024, + CFConst.kCFStringEncodingUTF8 + ) + if not result: + raise OSError('Error copying C string from CFStringRef') + string = buffer.value + if string is not None: + string = string.decode('utf-8') + return string + + +def _assert_no_error(error, exception_class=None): + """ + Checks the return code and throws an exception if there is an error to + report + """ + if error == 0: + return + + cf_error_string = Security.SecCopyErrorMessageString(error, None) + output = _cf_string_to_unicode(cf_error_string) + CoreFoundation.CFRelease(cf_error_string) + + if output is None or output == u'': + output = u'OSStatus %s' % error + + if exception_class is None: + exception_class = ssl.SSLError + + raise exception_class(output) + + +def _cert_array_from_pem(pem_bundle): + """ + Given a bundle of certs in PEM format, turns them into a CFArray of certs + that can be used to validate a cert chain. + """ + # Normalize the PEM bundle's line endings. + pem_bundle = pem_bundle.replace(b"\r\n", b"\n") + + der_certs = [ + base64.b64decode(match.group(1)) + for match in _PEM_CERTS_RE.finditer(pem_bundle) + ] + if not der_certs: + raise ssl.SSLError("No root certificates specified") + + cert_array = CoreFoundation.CFArrayCreateMutable( + CoreFoundation.kCFAllocatorDefault, + 0, + ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks) + ) + if not cert_array: + raise ssl.SSLError("Unable to allocate memory!") + + try: + for der_bytes in der_certs: + certdata = _cf_data_from_bytes(der_bytes) + if not certdata: + raise ssl.SSLError("Unable to allocate memory!") + cert = Security.SecCertificateCreateWithData( + CoreFoundation.kCFAllocatorDefault, certdata + ) + CoreFoundation.CFRelease(certdata) + if not cert: + raise ssl.SSLError("Unable to build cert object!") + + CoreFoundation.CFArrayAppendValue(cert_array, cert) + CoreFoundation.CFRelease(cert) + except Exception: + # We need to free the array before the exception bubbles further. + # We only want to do that if an error occurs: otherwise, the caller + # should free. + CoreFoundation.CFRelease(cert_array) + + return cert_array + + +def _is_cert(item): + """ + Returns True if a given CFTypeRef is a certificate. + """ + expected = Security.SecCertificateGetTypeID() + return CoreFoundation.CFGetTypeID(item) == expected + + +def _is_identity(item): + """ + Returns True if a given CFTypeRef is an identity. + """ + expected = Security.SecIdentityGetTypeID() + return CoreFoundation.CFGetTypeID(item) == expected + + +def _temporary_keychain(): + """ + This function creates a temporary Mac keychain that we can use to work with + credentials. This keychain uses a one-time password and a temporary file to + store the data. We expect to have one keychain per socket. The returned + SecKeychainRef must be freed by the caller, including calling + SecKeychainDelete. + + Returns a tuple of the SecKeychainRef and the path to the temporary + directory that contains it. + """ + # Unfortunately, SecKeychainCreate requires a path to a keychain. This + # means we cannot use mkstemp to use a generic temporary file. Instead, + # we're going to create a temporary directory and a filename to use there. + # This filename will be 8 random bytes expanded into base64. We also need + # some random bytes to password-protect the keychain we're creating, so we + # ask for 40 random bytes. + random_bytes = os.urandom(40) + filename = base64.b16encode(random_bytes[:8]).decode('utf-8') + password = base64.b16encode(random_bytes[8:]) # Must be valid UTF-8 + tempdirectory = tempfile.mkdtemp() + + keychain_path = os.path.join(tempdirectory, filename).encode('utf-8') + + # We now want to create the keychain itself. + keychain = Security.SecKeychainRef() + status = Security.SecKeychainCreate( + keychain_path, + len(password), + password, + False, + None, + ctypes.byref(keychain) + ) + _assert_no_error(status) + + # Having created the keychain, we want to pass it off to the caller. + return keychain, tempdirectory + + +def _load_items_from_file(keychain, path): + """ + Given a single file, loads all the trust objects from it into arrays and + the keychain. + Returns a tuple of lists: the first list is a list of identities, the + second a list of certs. + """ + certificates = [] + identities = [] + result_array = None + + with open(path, 'rb') as f: + raw_filedata = f.read() + + try: + filedata = CoreFoundation.CFDataCreate( + CoreFoundation.kCFAllocatorDefault, + raw_filedata, + len(raw_filedata) + ) + result_array = CoreFoundation.CFArrayRef() + result = Security.SecItemImport( + filedata, # cert data + None, # Filename, leaving it out for now + None, # What the type of the file is, we don't care + None, # what's in the file, we don't care + 0, # import flags + None, # key params, can include passphrase in the future + keychain, # The keychain to insert into + ctypes.byref(result_array) # Results + ) + _assert_no_error(result) + + # A CFArray is not very useful to us as an intermediary + # representation, so we are going to extract the objects we want + # and then free the array. We don't need to keep hold of keys: the + # keychain already has them! + result_count = CoreFoundation.CFArrayGetCount(result_array) + for index in range(result_count): + item = CoreFoundation.CFArrayGetValueAtIndex( + result_array, index + ) + item = ctypes.cast(item, CoreFoundation.CFTypeRef) + + if _is_cert(item): + CoreFoundation.CFRetain(item) + certificates.append(item) + elif _is_identity(item): + CoreFoundation.CFRetain(item) + identities.append(item) + finally: + if result_array: + CoreFoundation.CFRelease(result_array) + + CoreFoundation.CFRelease(filedata) + + return (identities, certificates) + + +def _load_client_cert_chain(keychain, *paths): + """ + Load certificates and maybe keys from a number of files. Has the end goal + of returning a CFArray containing one SecIdentityRef, and then zero or more + SecCertificateRef objects, suitable for use as a client certificate trust + chain. + """ + # Ok, the strategy. + # + # This relies on knowing that macOS will not give you a SecIdentityRef + # unless you have imported a key into a keychain. This is a somewhat + # artificial limitation of macOS (for example, it doesn't necessarily + # affect iOS), but there is nothing inside Security.framework that lets you + # get a SecIdentityRef without having a key in a keychain. + # + # So the policy here is we take all the files and iterate them in order. + # Each one will use SecItemImport to have one or more objects loaded from + # it. We will also point at a keychain that macOS can use to work with the + # private key. + # + # Once we have all the objects, we'll check what we actually have. If we + # already have a SecIdentityRef in hand, fab: we'll use that. Otherwise, + # we'll take the first certificate (which we assume to be our leaf) and + # ask the keychain to give us a SecIdentityRef with that cert's associated + # key. + # + # We'll then return a CFArray containing the trust chain: one + # SecIdentityRef and then zero-or-more SecCertificateRef objects. The + # responsibility for freeing this CFArray will be with the caller. This + # CFArray must remain alive for the entire connection, so in practice it + # will be stored with a single SSLSocket, along with the reference to the + # keychain. + certificates = [] + identities = [] + + # Filter out bad paths. + paths = (path for path in paths if path) + + try: + for file_path in paths: + new_identities, new_certs = _load_items_from_file( + keychain, file_path + ) + identities.extend(new_identities) + certificates.extend(new_certs) + + # Ok, we have everything. The question is: do we have an identity? If + # not, we want to grab one from the first cert we have. + if not identities: + new_identity = Security.SecIdentityRef() + status = Security.SecIdentityCreateWithCertificate( + keychain, + certificates[0], + ctypes.byref(new_identity) + ) + _assert_no_error(status) + identities.append(new_identity) + + # We now want to release the original certificate, as we no longer + # need it. + CoreFoundation.CFRelease(certificates.pop(0)) + + # We now need to build a new CFArray that holds the trust chain. + trust_chain = CoreFoundation.CFArrayCreateMutable( + CoreFoundation.kCFAllocatorDefault, + 0, + ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks), + ) + for item in itertools.chain(identities, certificates): + # ArrayAppendValue does a CFRetain on the item. That's fine, + # because the finally block will release our other refs to them. + CoreFoundation.CFArrayAppendValue(trust_chain, item) + + return trust_chain + finally: + for obj in itertools.chain(identities, certificates): + CoreFoundation.CFRelease(obj) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/appengine.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/appengine.py new file mode 100644 index 0000000..9b42952 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/appengine.py @@ -0,0 +1,289 @@ +""" +This module provides a pool manager that uses Google App Engine's +`URLFetch Service <https://cloud.google.com/appengine/docs/python/urlfetch>`_. + +Example usage:: + + from pip._vendor.urllib3 import PoolManager + from pip._vendor.urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox + + if is_appengine_sandbox(): + # AppEngineManager uses AppEngine's URLFetch API behind the scenes + http = AppEngineManager() + else: + # PoolManager uses a socket-level API behind the scenes + http = PoolManager() + + r = http.request('GET', 'https://google.com/') + +There are `limitations <https://cloud.google.com/appengine/docs/python/\ +urlfetch/#Python_Quotas_and_limits>`_ to the URLFetch service and it may not be +the best choice for your application. There are three options for using +urllib3 on Google App Engine: + +1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is + cost-effective in many circumstances as long as your usage is within the + limitations. +2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets. + Sockets also have `limitations and restrictions + <https://cloud.google.com/appengine/docs/python/sockets/\ + #limitations-and-restrictions>`_ and have a lower free quota than URLFetch. + To use sockets, be sure to specify the following in your ``app.yaml``:: + + env_variables: + GAE_USE_SOCKETS_HTTPLIB : 'true' + +3. If you are using `App Engine Flexible +<https://cloud.google.com/appengine/docs/flexible/>`_, you can use the standard +:class:`PoolManager` without any configuration or special environment variables. +""" + +from __future__ import absolute_import +import io +import logging +import warnings +from ..packages.six.moves.urllib.parse import urljoin + +from ..exceptions import ( + HTTPError, + HTTPWarning, + MaxRetryError, + ProtocolError, + TimeoutError, + SSLError +) + +from ..request import RequestMethods +from ..response import HTTPResponse +from ..util.timeout import Timeout +from ..util.retry import Retry +from . import _appengine_environ + +try: + from google.appengine.api import urlfetch +except ImportError: + urlfetch = None + + +log = logging.getLogger(__name__) + + +class AppEnginePlatformWarning(HTTPWarning): + pass + + +class AppEnginePlatformError(HTTPError): + pass + + +class AppEngineManager(RequestMethods): + """ + Connection manager for Google App Engine sandbox applications. + + This manager uses the URLFetch service directly instead of using the + emulated httplib, and is subject to URLFetch limitations as described in + the App Engine documentation `here + <https://cloud.google.com/appengine/docs/python/urlfetch>`_. + + Notably it will raise an :class:`AppEnginePlatformError` if: + * URLFetch is not available. + * If you attempt to use this on App Engine Flexible, as full socket + support is available. + * If a request size is more than 10 megabytes. + * If a response size is more than 32 megabtyes. + * If you use an unsupported request method such as OPTIONS. + + Beyond those cases, it will raise normal urllib3 errors. + """ + + def __init__(self, headers=None, retries=None, validate_certificate=True, + urlfetch_retries=True): + if not urlfetch: + raise AppEnginePlatformError( + "URLFetch is not available in this environment.") + + if is_prod_appengine_mvms(): + raise AppEnginePlatformError( + "Use normal urllib3.PoolManager instead of AppEngineManager" + "on Managed VMs, as using URLFetch is not necessary in " + "this environment.") + + warnings.warn( + "urllib3 is using URLFetch on Google App Engine sandbox instead " + "of sockets. To use sockets directly instead of URLFetch see " + "https://urllib3.readthedocs.io/en/latest/reference/urllib3.contrib.html.", + AppEnginePlatformWarning) + + RequestMethods.__init__(self, headers) + self.validate_certificate = validate_certificate + self.urlfetch_retries = urlfetch_retries + + self.retries = retries or Retry.DEFAULT + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + # Return False to re-raise any potential exceptions + return False + + def urlopen(self, method, url, body=None, headers=None, + retries=None, redirect=True, timeout=Timeout.DEFAULT_TIMEOUT, + **response_kw): + + retries = self._get_retries(retries, redirect) + + try: + follow_redirects = ( + redirect and + retries.redirect != 0 and + retries.total) + response = urlfetch.fetch( + url, + payload=body, + method=method, + headers=headers or {}, + allow_truncated=False, + follow_redirects=self.urlfetch_retries and follow_redirects, + deadline=self._get_absolute_timeout(timeout), + validate_certificate=self.validate_certificate, + ) + except urlfetch.DeadlineExceededError as e: + raise TimeoutError(self, e) + + except urlfetch.InvalidURLError as e: + if 'too large' in str(e): + raise AppEnginePlatformError( + "URLFetch request too large, URLFetch only " + "supports requests up to 10mb in size.", e) + raise ProtocolError(e) + + except urlfetch.DownloadError as e: + if 'Too many redirects' in str(e): + raise MaxRetryError(self, url, reason=e) + raise ProtocolError(e) + + except urlfetch.ResponseTooLargeError as e: + raise AppEnginePlatformError( + "URLFetch response too large, URLFetch only supports" + "responses up to 32mb in size.", e) + + except urlfetch.SSLCertificateError as e: + raise SSLError(e) + + except urlfetch.InvalidMethodError as e: + raise AppEnginePlatformError( + "URLFetch does not support method: %s" % method, e) + + http_response = self._urlfetch_response_to_http_response( + response, retries=retries, **response_kw) + + # Handle redirect? + redirect_location = redirect and http_response.get_redirect_location() + if redirect_location: + # Check for redirect response + if (self.urlfetch_retries and retries.raise_on_redirect): + raise MaxRetryError(self, url, "too many redirects") + else: + if http_response.status == 303: + method = 'GET' + + try: + retries = retries.increment(method, url, response=http_response, _pool=self) + except MaxRetryError: + if retries.raise_on_redirect: + raise MaxRetryError(self, url, "too many redirects") + return http_response + + retries.sleep_for_retry(http_response) + log.debug("Redirecting %s -> %s", url, redirect_location) + redirect_url = urljoin(url, redirect_location) + return self.urlopen( + method, redirect_url, body, headers, + retries=retries, redirect=redirect, + timeout=timeout, **response_kw) + + # Check if we should retry the HTTP response. + has_retry_after = bool(http_response.getheader('Retry-After')) + if retries.is_retry(method, http_response.status, has_retry_after): + retries = retries.increment( + method, url, response=http_response, _pool=self) + log.debug("Retry: %s", url) + retries.sleep(http_response) + return self.urlopen( + method, url, + body=body, headers=headers, + retries=retries, redirect=redirect, + timeout=timeout, **response_kw) + + return http_response + + def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw): + + if is_prod_appengine(): + # Production GAE handles deflate encoding automatically, but does + # not remove the encoding header. + content_encoding = urlfetch_resp.headers.get('content-encoding') + + if content_encoding == 'deflate': + del urlfetch_resp.headers['content-encoding'] + + transfer_encoding = urlfetch_resp.headers.get('transfer-encoding') + # We have a full response's content, + # so let's make sure we don't report ourselves as chunked data. + if transfer_encoding == 'chunked': + encodings = transfer_encoding.split(",") + encodings.remove('chunked') + urlfetch_resp.headers['transfer-encoding'] = ','.join(encodings) + + original_response = HTTPResponse( + # In order for decoding to work, we must present the content as + # a file-like object. + body=io.BytesIO(urlfetch_resp.content), + msg=urlfetch_resp.header_msg, + headers=urlfetch_resp.headers, + status=urlfetch_resp.status_code, + **response_kw + ) + + return HTTPResponse( + body=io.BytesIO(urlfetch_resp.content), + headers=urlfetch_resp.headers, + status=urlfetch_resp.status_code, + original_response=original_response, + **response_kw + ) + + def _get_absolute_timeout(self, timeout): + if timeout is Timeout.DEFAULT_TIMEOUT: + return None # Defer to URLFetch's default. + if isinstance(timeout, Timeout): + if timeout._read is not None or timeout._connect is not None: + warnings.warn( + "URLFetch does not support granular timeout settings, " + "reverting to total or default URLFetch timeout.", + AppEnginePlatformWarning) + return timeout.total + return timeout + + def _get_retries(self, retries, redirect): + if not isinstance(retries, Retry): + retries = Retry.from_int( + retries, redirect=redirect, default=self.retries) + + if retries.connect or retries.read or retries.redirect: + warnings.warn( + "URLFetch only supports total retries and does not " + "recognize connect, read, or redirect retry parameters.", + AppEnginePlatformWarning) + + return retries + + +# Alias methods from _appengine_environ to maintain public API interface. + +is_appengine = _appengine_environ.is_appengine +is_appengine_sandbox = _appengine_environ.is_appengine_sandbox +is_local_appengine = _appengine_environ.is_local_appengine +is_prod_appengine = _appengine_environ.is_prod_appengine +is_prod_appengine_mvms = _appengine_environ.is_prod_appengine_mvms diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/ntlmpool.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/ntlmpool.py new file mode 100644 index 0000000..8ea127c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/ntlmpool.py @@ -0,0 +1,111 @@ +""" +NTLM authenticating pool, contributed by erikcederstran + +Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10 +""" +from __future__ import absolute_import + +from logging import getLogger +from ntlm import ntlm + +from .. import HTTPSConnectionPool +from ..packages.six.moves.http_client import HTTPSConnection + + +log = getLogger(__name__) + + +class NTLMConnectionPool(HTTPSConnectionPool): + """ + Implements an NTLM authentication version of an urllib3 connection pool + """ + + scheme = 'https' + + def __init__(self, user, pw, authurl, *args, **kwargs): + """ + authurl is a random URL on the server that is protected by NTLM. + user is the Windows user, probably in the DOMAIN\\username format. + pw is the password for the user. + """ + super(NTLMConnectionPool, self).__init__(*args, **kwargs) + self.authurl = authurl + self.rawuser = user + user_parts = user.split('\\', 1) + self.domain = user_parts[0].upper() + self.user = user_parts[1] + self.pw = pw + + def _new_conn(self): + # Performs the NTLM handshake that secures the connection. The socket + # must be kept open while requests are performed. + self.num_connections += 1 + log.debug('Starting NTLM HTTPS connection no. %d: https://%s%s', + self.num_connections, self.host, self.authurl) + + headers = {'Connection': 'Keep-Alive'} + req_header = 'Authorization' + resp_header = 'www-authenticate' + + conn = HTTPSConnection(host=self.host, port=self.port) + + # Send negotiation message + headers[req_header] = ( + 'NTLM %s' % ntlm.create_NTLM_NEGOTIATE_MESSAGE(self.rawuser)) + log.debug('Request headers: %s', headers) + conn.request('GET', self.authurl, None, headers) + res = conn.getresponse() + reshdr = dict(res.getheaders()) + log.debug('Response status: %s %s', res.status, res.reason) + log.debug('Response headers: %s', reshdr) + log.debug('Response data: %s [...]', res.read(100)) + + # Remove the reference to the socket, so that it can not be closed by + # the response object (we want to keep the socket open) + res.fp = None + + # Server should respond with a challenge message + auth_header_values = reshdr[resp_header].split(', ') + auth_header_value = None + for s in auth_header_values: + if s[:5] == 'NTLM ': + auth_header_value = s[5:] + if auth_header_value is None: + raise Exception('Unexpected %s response header: %s' % + (resp_header, reshdr[resp_header])) + + # Send authentication message + ServerChallenge, NegotiateFlags = \ + ntlm.parse_NTLM_CHALLENGE_MESSAGE(auth_header_value) + auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(ServerChallenge, + self.user, + self.domain, + self.pw, + NegotiateFlags) + headers[req_header] = 'NTLM %s' % auth_msg + log.debug('Request headers: %s', headers) + conn.request('GET', self.authurl, None, headers) + res = conn.getresponse() + log.debug('Response status: %s %s', res.status, res.reason) + log.debug('Response headers: %s', dict(res.getheaders())) + log.debug('Response data: %s [...]', res.read()[:100]) + if res.status != 200: + if res.status == 401: + raise Exception('Server rejected request: wrong ' + 'username or password') + raise Exception('Wrong server response: %s %s' % + (res.status, res.reason)) + + res.fp = None + log.debug('Connection established') + return conn + + def urlopen(self, method, url, body=None, headers=None, retries=3, + redirect=True, assert_same_host=True): + if headers is None: + headers = {} + headers['Connection'] = 'Keep-Alive' + return super(NTLMConnectionPool, self).urlopen(method, url, body, + headers, retries, + redirect, + assert_same_host) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/pyopenssl.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/pyopenssl.py new file mode 100644 index 0000000..363667c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/pyopenssl.py @@ -0,0 +1,466 @@ +""" +SSL with SNI_-support for Python 2. Follow these instructions if you would +like to verify SSL certificates in Python 2. Note, the default libraries do +*not* do certificate checking; you need to do additional work to validate +certificates yourself. + +This needs the following packages installed: + +* pyOpenSSL (tested with 16.0.0) +* cryptography (minimum 1.3.4, from pyopenssl) +* idna (minimum 2.0, from cryptography) + +However, pyopenssl depends on cryptography, which depends on idna, so while we +use all three directly here we end up having relatively few packages required. + +You can install them with the following command: + + pip install pyopenssl cryptography idna + +To activate certificate checking, call +:func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code +before you begin making HTTP requests. This can be done in a ``sitecustomize`` +module, or at any other time before your application begins using ``urllib3``, +like this:: + + try: + import urllib3.contrib.pyopenssl + urllib3.contrib.pyopenssl.inject_into_urllib3() + except ImportError: + pass + +Now you can use :mod:`urllib3` as you normally would, and it will support SNI +when the required modules are installed. + +Activating this module also has the positive side effect of disabling SSL/TLS +compression in Python 2 (see `CRIME attack`_). + +If you want to configure the default list of supported cipher suites, you can +set the ``urllib3.contrib.pyopenssl.DEFAULT_SSL_CIPHER_LIST`` variable. + +.. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication +.. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit) +""" +from __future__ import absolute_import + +import OpenSSL.SSL +from cryptography import x509 +from cryptography.hazmat.backends.openssl import backend as openssl_backend +from cryptography.hazmat.backends.openssl.x509 import _Certificate +try: + from cryptography.x509 import UnsupportedExtension +except ImportError: + # UnsupportedExtension is gone in cryptography >= 2.1.0 + class UnsupportedExtension(Exception): + pass + +from socket import timeout, error as SocketError +from io import BytesIO + +try: # Platform-specific: Python 2 + from socket import _fileobject +except ImportError: # Platform-specific: Python 3 + _fileobject = None + from ..packages.backports.makefile import backport_makefile + +import logging +import ssl +from ..packages import six +import sys + +from .. import util + +__all__ = ['inject_into_urllib3', 'extract_from_urllib3'] + +# SNI always works. +HAS_SNI = True + +# Map from urllib3 to PyOpenSSL compatible parameter-values. +_openssl_versions = { + ssl.PROTOCOL_SSLv23: OpenSSL.SSL.SSLv23_METHOD, + ssl.PROTOCOL_TLSv1: OpenSSL.SSL.TLSv1_METHOD, +} + +if hasattr(ssl, 'PROTOCOL_TLSv1_1') and hasattr(OpenSSL.SSL, 'TLSv1_1_METHOD'): + _openssl_versions[ssl.PROTOCOL_TLSv1_1] = OpenSSL.SSL.TLSv1_1_METHOD + +if hasattr(ssl, 'PROTOCOL_TLSv1_2') and hasattr(OpenSSL.SSL, 'TLSv1_2_METHOD'): + _openssl_versions[ssl.PROTOCOL_TLSv1_2] = OpenSSL.SSL.TLSv1_2_METHOD + +try: + _openssl_versions.update({ssl.PROTOCOL_SSLv3: OpenSSL.SSL.SSLv3_METHOD}) +except AttributeError: + pass + +_stdlib_to_openssl_verify = { + ssl.CERT_NONE: OpenSSL.SSL.VERIFY_NONE, + ssl.CERT_OPTIONAL: OpenSSL.SSL.VERIFY_PEER, + ssl.CERT_REQUIRED: + OpenSSL.SSL.VERIFY_PEER + OpenSSL.SSL.VERIFY_FAIL_IF_NO_PEER_CERT, +} +_openssl_to_stdlib_verify = dict( + (v, k) for k, v in _stdlib_to_openssl_verify.items() +) + +# OpenSSL will only write 16K at a time +SSL_WRITE_BLOCKSIZE = 16384 + +orig_util_HAS_SNI = util.HAS_SNI +orig_util_SSLContext = util.ssl_.SSLContext + + +log = logging.getLogger(__name__) + + +def inject_into_urllib3(): + 'Monkey-patch urllib3 with PyOpenSSL-backed SSL-support.' + + _validate_dependencies_met() + + util.ssl_.SSLContext = PyOpenSSLContext + util.HAS_SNI = HAS_SNI + util.ssl_.HAS_SNI = HAS_SNI + util.IS_PYOPENSSL = True + util.ssl_.IS_PYOPENSSL = True + + +def extract_from_urllib3(): + 'Undo monkey-patching by :func:`inject_into_urllib3`.' + + util.ssl_.SSLContext = orig_util_SSLContext + util.HAS_SNI = orig_util_HAS_SNI + util.ssl_.HAS_SNI = orig_util_HAS_SNI + util.IS_PYOPENSSL = False + util.ssl_.IS_PYOPENSSL = False + + +def _validate_dependencies_met(): + """ + Verifies that PyOpenSSL's package-level dependencies have been met. + Throws `ImportError` if they are not met. + """ + # Method added in `cryptography==1.1`; not available in older versions + from cryptography.x509.extensions import Extensions + if getattr(Extensions, "get_extension_for_class", None) is None: + raise ImportError("'cryptography' module missing required functionality. " + "Try upgrading to v1.3.4 or newer.") + + # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509 + # attribute is only present on those versions. + from OpenSSL.crypto import X509 + x509 = X509() + if getattr(x509, "_x509", None) is None: + raise ImportError("'pyOpenSSL' module missing required functionality. " + "Try upgrading to v0.14 or newer.") + + +def _dnsname_to_stdlib(name): + """ + Converts a dNSName SubjectAlternativeName field to the form used by the + standard library on the given Python version. + + Cryptography produces a dNSName as a unicode string that was idna-decoded + from ASCII bytes. We need to idna-encode that string to get it back, and + then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib + uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8). + + If the name cannot be idna-encoded then we return None signalling that + the name given should be skipped. + """ + def idna_encode(name): + """ + Borrowed wholesale from the Python Cryptography Project. It turns out + that we can't just safely call `idna.encode`: it can explode for + wildcard names. This avoids that problem. + """ + from pip._vendor import idna + + try: + for prefix in [u'*.', u'.']: + if name.startswith(prefix): + name = name[len(prefix):] + return prefix.encode('ascii') + idna.encode(name) + return idna.encode(name) + except idna.core.IDNAError: + return None + + name = idna_encode(name) + if name is None: + return None + elif sys.version_info >= (3, 0): + name = name.decode('utf-8') + return name + + +def get_subj_alt_name(peer_cert): + """ + Given an PyOpenSSL certificate, provides all the subject alternative names. + """ + # Pass the cert to cryptography, which has much better APIs for this. + if hasattr(peer_cert, "to_cryptography"): + cert = peer_cert.to_cryptography() + else: + # This is technically using private APIs, but should work across all + # relevant versions before PyOpenSSL got a proper API for this. + cert = _Certificate(openssl_backend, peer_cert._x509) + + # We want to find the SAN extension. Ask Cryptography to locate it (it's + # faster than looping in Python) + try: + ext = cert.extensions.get_extension_for_class( + x509.SubjectAlternativeName + ).value + except x509.ExtensionNotFound: + # No such extension, return the empty list. + return [] + except (x509.DuplicateExtension, UnsupportedExtension, + x509.UnsupportedGeneralNameType, UnicodeError) as e: + # A problem has been found with the quality of the certificate. Assume + # no SAN field is present. + log.warning( + "A problem was encountered with the certificate that prevented " + "urllib3 from finding the SubjectAlternativeName field. This can " + "affect certificate validation. The error was %s", + e, + ) + return [] + + # We want to return dNSName and iPAddress fields. We need to cast the IPs + # back to strings because the match_hostname function wants them as + # strings. + # Sadly the DNS names need to be idna encoded and then, on Python 3, UTF-8 + # decoded. This is pretty frustrating, but that's what the standard library + # does with certificates, and so we need to attempt to do the same. + # We also want to skip over names which cannot be idna encoded. + names = [ + ('DNS', name) for name in map(_dnsname_to_stdlib, ext.get_values_for_type(x509.DNSName)) + if name is not None + ] + names.extend( + ('IP Address', str(name)) + for name in ext.get_values_for_type(x509.IPAddress) + ) + + return names + + +class WrappedSocket(object): + '''API-compatibility wrapper for Python OpenSSL's Connection-class. + + Note: _makefile_refs, _drop() and _reuse() are needed for the garbage + collector of pypy. + ''' + + def __init__(self, connection, socket, suppress_ragged_eofs=True): + self.connection = connection + self.socket = socket + self.suppress_ragged_eofs = suppress_ragged_eofs + self._makefile_refs = 0 + self._closed = False + + def fileno(self): + return self.socket.fileno() + + # Copy-pasted from Python 3.5 source code + def _decref_socketios(self): + if self._makefile_refs > 0: + self._makefile_refs -= 1 + if self._closed: + self.close() + + def recv(self, *args, **kwargs): + try: + data = self.connection.recv(*args, **kwargs) + except OpenSSL.SSL.SysCallError as e: + if self.suppress_ragged_eofs and e.args == (-1, 'Unexpected EOF'): + return b'' + else: + raise SocketError(str(e)) + except OpenSSL.SSL.ZeroReturnError as e: + if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN: + return b'' + else: + raise + except OpenSSL.SSL.WantReadError: + if not util.wait_for_read(self.socket, self.socket.gettimeout()): + raise timeout('The read operation timed out') + else: + return self.recv(*args, **kwargs) + else: + return data + + def recv_into(self, *args, **kwargs): + try: + return self.connection.recv_into(*args, **kwargs) + except OpenSSL.SSL.SysCallError as e: + if self.suppress_ragged_eofs and e.args == (-1, 'Unexpected EOF'): + return 0 + else: + raise SocketError(str(e)) + except OpenSSL.SSL.ZeroReturnError as e: + if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN: + return 0 + else: + raise + except OpenSSL.SSL.WantReadError: + if not util.wait_for_read(self.socket, self.socket.gettimeout()): + raise timeout('The read operation timed out') + else: + return self.recv_into(*args, **kwargs) + + def settimeout(self, timeout): + return self.socket.settimeout(timeout) + + def _send_until_done(self, data): + while True: + try: + return self.connection.send(data) + except OpenSSL.SSL.WantWriteError: + if not util.wait_for_write(self.socket, self.socket.gettimeout()): + raise timeout() + continue + except OpenSSL.SSL.SysCallError as e: + raise SocketError(str(e)) + + def sendall(self, data): + total_sent = 0 + while total_sent < len(data): + sent = self._send_until_done(data[total_sent:total_sent + SSL_WRITE_BLOCKSIZE]) + total_sent += sent + + def shutdown(self): + # FIXME rethrow compatible exceptions should we ever use this + self.connection.shutdown() + + def close(self): + if self._makefile_refs < 1: + try: + self._closed = True + return self.connection.close() + except OpenSSL.SSL.Error: + return + else: + self._makefile_refs -= 1 + + def getpeercert(self, binary_form=False): + x509 = self.connection.get_peer_certificate() + + if not x509: + return x509 + + if binary_form: + return OpenSSL.crypto.dump_certificate( + OpenSSL.crypto.FILETYPE_ASN1, + x509) + + return { + 'subject': ( + (('commonName', x509.get_subject().CN),), + ), + 'subjectAltName': get_subj_alt_name(x509) + } + + def _reuse(self): + self._makefile_refs += 1 + + def _drop(self): + if self._makefile_refs < 1: + self.close() + else: + self._makefile_refs -= 1 + + +if _fileobject: # Platform-specific: Python 2 + def makefile(self, mode, bufsize=-1): + self._makefile_refs += 1 + return _fileobject(self, mode, bufsize, close=True) +else: # Platform-specific: Python 3 + makefile = backport_makefile + +WrappedSocket.makefile = makefile + + +class PyOpenSSLContext(object): + """ + I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible + for translating the interface of the standard library ``SSLContext`` object + to calls into PyOpenSSL. + """ + def __init__(self, protocol): + self.protocol = _openssl_versions[protocol] + self._ctx = OpenSSL.SSL.Context(self.protocol) + self._options = 0 + self.check_hostname = False + + @property + def options(self): + return self._options + + @options.setter + def options(self, value): + self._options = value + self._ctx.set_options(value) + + @property + def verify_mode(self): + return _openssl_to_stdlib_verify[self._ctx.get_verify_mode()] + + @verify_mode.setter + def verify_mode(self, value): + self._ctx.set_verify( + _stdlib_to_openssl_verify[value], + _verify_callback + ) + + def set_default_verify_paths(self): + self._ctx.set_default_verify_paths() + + def set_ciphers(self, ciphers): + if isinstance(ciphers, six.text_type): + ciphers = ciphers.encode('utf-8') + self._ctx.set_cipher_list(ciphers) + + def load_verify_locations(self, cafile=None, capath=None, cadata=None): + if cafile is not None: + cafile = cafile.encode('utf-8') + if capath is not None: + capath = capath.encode('utf-8') + self._ctx.load_verify_locations(cafile, capath) + if cadata is not None: + self._ctx.load_verify_locations(BytesIO(cadata)) + + def load_cert_chain(self, certfile, keyfile=None, password=None): + self._ctx.use_certificate_chain_file(certfile) + if password is not None: + self._ctx.set_passwd_cb(lambda max_length, prompt_twice, userdata: password) + self._ctx.use_privatekey_file(keyfile or certfile) + + def wrap_socket(self, sock, server_side=False, + do_handshake_on_connect=True, suppress_ragged_eofs=True, + server_hostname=None): + cnx = OpenSSL.SSL.Connection(self._ctx, sock) + + if isinstance(server_hostname, six.text_type): # Platform-specific: Python 3 + server_hostname = server_hostname.encode('utf-8') + + if server_hostname is not None: + cnx.set_tlsext_host_name(server_hostname) + + cnx.set_connect_state() + + while True: + try: + cnx.do_handshake() + except OpenSSL.SSL.WantReadError: + if not util.wait_for_read(sock, sock.gettimeout()): + raise timeout('select timed out') + continue + except OpenSSL.SSL.Error as e: + raise ssl.SSLError('bad handshake: %r' % e) + break + + return WrappedSocket(cnx, sock) + + +def _verify_callback(cnx, x509, err_no, err_depth, return_code): + return err_no == 0 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/securetransport.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/securetransport.py new file mode 100644 index 0000000..77cb59e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/securetransport.py @@ -0,0 +1,804 @@ +""" +SecureTranport support for urllib3 via ctypes. + +This makes platform-native TLS available to urllib3 users on macOS without the +use of a compiler. This is an important feature because the Python Package +Index is moving to become a TLSv1.2-or-higher server, and the default OpenSSL +that ships with macOS is not capable of doing TLSv1.2. The only way to resolve +this is to give macOS users an alternative solution to the problem, and that +solution is to use SecureTransport. + +We use ctypes here because this solution must not require a compiler. That's +because pip is not allowed to require a compiler either. + +This is not intended to be a seriously long-term solution to this problem. +The hope is that PEP 543 will eventually solve this issue for us, at which +point we can retire this contrib module. But in the short term, we need to +solve the impending tire fire that is Python on Mac without this kind of +contrib module. So...here we are. + +To use this module, simply import and inject it:: + + import urllib3.contrib.securetransport + urllib3.contrib.securetransport.inject_into_urllib3() + +Happy TLSing! +""" +from __future__ import absolute_import + +import contextlib +import ctypes +import errno +import os.path +import shutil +import socket +import ssl +import threading +import weakref + +from .. import util +from ._securetransport.bindings import ( + Security, SecurityConst, CoreFoundation +) +from ._securetransport.low_level import ( + _assert_no_error, _cert_array_from_pem, _temporary_keychain, + _load_client_cert_chain +) + +try: # Platform-specific: Python 2 + from socket import _fileobject +except ImportError: # Platform-specific: Python 3 + _fileobject = None + from ..packages.backports.makefile import backport_makefile + +__all__ = ['inject_into_urllib3', 'extract_from_urllib3'] + +# SNI always works +HAS_SNI = True + +orig_util_HAS_SNI = util.HAS_SNI +orig_util_SSLContext = util.ssl_.SSLContext + +# This dictionary is used by the read callback to obtain a handle to the +# calling wrapped socket. This is a pretty silly approach, but for now it'll +# do. I feel like I should be able to smuggle a handle to the wrapped socket +# directly in the SSLConnectionRef, but for now this approach will work I +# guess. +# +# We need to lock around this structure for inserts, but we don't do it for +# reads/writes in the callbacks. The reasoning here goes as follows: +# +# 1. It is not possible to call into the callbacks before the dictionary is +# populated, so once in the callback the id must be in the dictionary. +# 2. The callbacks don't mutate the dictionary, they only read from it, and +# so cannot conflict with any of the insertions. +# +# This is good: if we had to lock in the callbacks we'd drastically slow down +# the performance of this code. +_connection_refs = weakref.WeakValueDictionary() +_connection_ref_lock = threading.Lock() + +# Limit writes to 16kB. This is OpenSSL's limit, but we'll cargo-cult it over +# for no better reason than we need *a* limit, and this one is right there. +SSL_WRITE_BLOCKSIZE = 16384 + +# This is our equivalent of util.ssl_.DEFAULT_CIPHERS, but expanded out to +# individual cipher suites. We need to do this because this is how +# SecureTransport wants them. +CIPHER_SUITES = [ + SecurityConst.TLS_AES_256_GCM_SHA384, + SecurityConst.TLS_CHACHA20_POLY1305_SHA256, + SecurityConst.TLS_AES_128_GCM_SHA256, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, + SecurityConst.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, + SecurityConst.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, + SecurityConst.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, + SecurityConst.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, + SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, + SecurityConst.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, + SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA, + SecurityConst.TLS_DHE_DSS_WITH_AES_256_CBC_SHA, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, + SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, + SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, + SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, + SecurityConst.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, + SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA, + SecurityConst.TLS_DHE_DSS_WITH_AES_128_CBC_SHA, + SecurityConst.TLS_RSA_WITH_AES_256_GCM_SHA384, + SecurityConst.TLS_RSA_WITH_AES_128_GCM_SHA256, + SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA256, + SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA256, + SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA, + SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA, +] + +# Basically this is simple: for PROTOCOL_SSLv23 we turn it into a low of +# TLSv1 and a high of TLSv1.2. For everything else, we pin to that version. +_protocol_to_min_max = { + ssl.PROTOCOL_SSLv23: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12), +} + +if hasattr(ssl, "PROTOCOL_SSLv2"): + _protocol_to_min_max[ssl.PROTOCOL_SSLv2] = ( + SecurityConst.kSSLProtocol2, SecurityConst.kSSLProtocol2 + ) +if hasattr(ssl, "PROTOCOL_SSLv3"): + _protocol_to_min_max[ssl.PROTOCOL_SSLv3] = ( + SecurityConst.kSSLProtocol3, SecurityConst.kSSLProtocol3 + ) +if hasattr(ssl, "PROTOCOL_TLSv1"): + _protocol_to_min_max[ssl.PROTOCOL_TLSv1] = ( + SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol1 + ) +if hasattr(ssl, "PROTOCOL_TLSv1_1"): + _protocol_to_min_max[ssl.PROTOCOL_TLSv1_1] = ( + SecurityConst.kTLSProtocol11, SecurityConst.kTLSProtocol11 + ) +if hasattr(ssl, "PROTOCOL_TLSv1_2"): + _protocol_to_min_max[ssl.PROTOCOL_TLSv1_2] = ( + SecurityConst.kTLSProtocol12, SecurityConst.kTLSProtocol12 + ) +if hasattr(ssl, "PROTOCOL_TLS"): + _protocol_to_min_max[ssl.PROTOCOL_TLS] = _protocol_to_min_max[ssl.PROTOCOL_SSLv23] + + +def inject_into_urllib3(): + """ + Monkey-patch urllib3 with SecureTransport-backed SSL-support. + """ + util.ssl_.SSLContext = SecureTransportContext + util.HAS_SNI = HAS_SNI + util.ssl_.HAS_SNI = HAS_SNI + util.IS_SECURETRANSPORT = True + util.ssl_.IS_SECURETRANSPORT = True + + +def extract_from_urllib3(): + """ + Undo monkey-patching by :func:`inject_into_urllib3`. + """ + util.ssl_.SSLContext = orig_util_SSLContext + util.HAS_SNI = orig_util_HAS_SNI + util.ssl_.HAS_SNI = orig_util_HAS_SNI + util.IS_SECURETRANSPORT = False + util.ssl_.IS_SECURETRANSPORT = False + + +def _read_callback(connection_id, data_buffer, data_length_pointer): + """ + SecureTransport read callback. This is called by ST to request that data + be returned from the socket. + """ + wrapped_socket = None + try: + wrapped_socket = _connection_refs.get(connection_id) + if wrapped_socket is None: + return SecurityConst.errSSLInternal + base_socket = wrapped_socket.socket + + requested_length = data_length_pointer[0] + + timeout = wrapped_socket.gettimeout() + error = None + read_count = 0 + + try: + while read_count < requested_length: + if timeout is None or timeout >= 0: + if not util.wait_for_read(base_socket, timeout): + raise socket.error(errno.EAGAIN, 'timed out') + + remaining = requested_length - read_count + buffer = (ctypes.c_char * remaining).from_address( + data_buffer + read_count + ) + chunk_size = base_socket.recv_into(buffer, remaining) + read_count += chunk_size + if not chunk_size: + if not read_count: + return SecurityConst.errSSLClosedGraceful + break + except (socket.error) as e: + error = e.errno + + if error is not None and error != errno.EAGAIN: + data_length_pointer[0] = read_count + if error == errno.ECONNRESET or error == errno.EPIPE: + return SecurityConst.errSSLClosedAbort + raise + + data_length_pointer[0] = read_count + + if read_count != requested_length: + return SecurityConst.errSSLWouldBlock + + return 0 + except Exception as e: + if wrapped_socket is not None: + wrapped_socket._exception = e + return SecurityConst.errSSLInternal + + +def _write_callback(connection_id, data_buffer, data_length_pointer): + """ + SecureTransport write callback. This is called by ST to request that data + actually be sent on the network. + """ + wrapped_socket = None + try: + wrapped_socket = _connection_refs.get(connection_id) + if wrapped_socket is None: + return SecurityConst.errSSLInternal + base_socket = wrapped_socket.socket + + bytes_to_write = data_length_pointer[0] + data = ctypes.string_at(data_buffer, bytes_to_write) + + timeout = wrapped_socket.gettimeout() + error = None + sent = 0 + + try: + while sent < bytes_to_write: + if timeout is None or timeout >= 0: + if not util.wait_for_write(base_socket, timeout): + raise socket.error(errno.EAGAIN, 'timed out') + chunk_sent = base_socket.send(data) + sent += chunk_sent + + # This has some needless copying here, but I'm not sure there's + # much value in optimising this data path. + data = data[chunk_sent:] + except (socket.error) as e: + error = e.errno + + if error is not None and error != errno.EAGAIN: + data_length_pointer[0] = sent + if error == errno.ECONNRESET or error == errno.EPIPE: + return SecurityConst.errSSLClosedAbort + raise + + data_length_pointer[0] = sent + + if sent != bytes_to_write: + return SecurityConst.errSSLWouldBlock + + return 0 + except Exception as e: + if wrapped_socket is not None: + wrapped_socket._exception = e + return SecurityConst.errSSLInternal + + +# We need to keep these two objects references alive: if they get GC'd while +# in use then SecureTransport could attempt to call a function that is in freed +# memory. That would be...uh...bad. Yeah, that's the word. Bad. +_read_callback_pointer = Security.SSLReadFunc(_read_callback) +_write_callback_pointer = Security.SSLWriteFunc(_write_callback) + + +class WrappedSocket(object): + """ + API-compatibility wrapper for Python's OpenSSL wrapped socket object. + + Note: _makefile_refs, _drop(), and _reuse() are needed for the garbage + collector of PyPy. + """ + def __init__(self, socket): + self.socket = socket + self.context = None + self._makefile_refs = 0 + self._closed = False + self._exception = None + self._keychain = None + self._keychain_dir = None + self._client_cert_chain = None + + # We save off the previously-configured timeout and then set it to + # zero. This is done because we use select and friends to handle the + # timeouts, but if we leave the timeout set on the lower socket then + # Python will "kindly" call select on that socket again for us. Avoid + # that by forcing the timeout to zero. + self._timeout = self.socket.gettimeout() + self.socket.settimeout(0) + + @contextlib.contextmanager + def _raise_on_error(self): + """ + A context manager that can be used to wrap calls that do I/O from + SecureTransport. If any of the I/O callbacks hit an exception, this + context manager will correctly propagate the exception after the fact. + This avoids silently swallowing those exceptions. + + It also correctly forces the socket closed. + """ + self._exception = None + + # We explicitly don't catch around this yield because in the unlikely + # event that an exception was hit in the block we don't want to swallow + # it. + yield + if self._exception is not None: + exception, self._exception = self._exception, None + self.close() + raise exception + + def _set_ciphers(self): + """ + Sets up the allowed ciphers. By default this matches the set in + util.ssl_.DEFAULT_CIPHERS, at least as supported by macOS. This is done + custom and doesn't allow changing at this time, mostly because parsing + OpenSSL cipher strings is going to be a freaking nightmare. + """ + ciphers = (Security.SSLCipherSuite * len(CIPHER_SUITES))(*CIPHER_SUITES) + result = Security.SSLSetEnabledCiphers( + self.context, ciphers, len(CIPHER_SUITES) + ) + _assert_no_error(result) + + def _custom_validate(self, verify, trust_bundle): + """ + Called when we have set custom validation. We do this in two cases: + first, when cert validation is entirely disabled; and second, when + using a custom trust DB. + """ + # If we disabled cert validation, just say: cool. + if not verify: + return + + # We want data in memory, so load it up. + if os.path.isfile(trust_bundle): + with open(trust_bundle, 'rb') as f: + trust_bundle = f.read() + + cert_array = None + trust = Security.SecTrustRef() + + try: + # Get a CFArray that contains the certs we want. + cert_array = _cert_array_from_pem(trust_bundle) + + # Ok, now the hard part. We want to get the SecTrustRef that ST has + # created for this connection, shove our CAs into it, tell ST to + # ignore everything else it knows, and then ask if it can build a + # chain. This is a buuuunch of code. + result = Security.SSLCopyPeerTrust( + self.context, ctypes.byref(trust) + ) + _assert_no_error(result) + if not trust: + raise ssl.SSLError("Failed to copy trust reference") + + result = Security.SecTrustSetAnchorCertificates(trust, cert_array) + _assert_no_error(result) + + result = Security.SecTrustSetAnchorCertificatesOnly(trust, True) + _assert_no_error(result) + + trust_result = Security.SecTrustResultType() + result = Security.SecTrustEvaluate( + trust, ctypes.byref(trust_result) + ) + _assert_no_error(result) + finally: + if trust: + CoreFoundation.CFRelease(trust) + + if cert_array is not None: + CoreFoundation.CFRelease(cert_array) + + # Ok, now we can look at what the result was. + successes = ( + SecurityConst.kSecTrustResultUnspecified, + SecurityConst.kSecTrustResultProceed + ) + if trust_result.value not in successes: + raise ssl.SSLError( + "certificate verify failed, error code: %d" % + trust_result.value + ) + + def handshake(self, + server_hostname, + verify, + trust_bundle, + min_version, + max_version, + client_cert, + client_key, + client_key_passphrase): + """ + Actually performs the TLS handshake. This is run automatically by + wrapped socket, and shouldn't be needed in user code. + """ + # First, we do the initial bits of connection setup. We need to create + # a context, set its I/O funcs, and set the connection reference. + self.context = Security.SSLCreateContext( + None, SecurityConst.kSSLClientSide, SecurityConst.kSSLStreamType + ) + result = Security.SSLSetIOFuncs( + self.context, _read_callback_pointer, _write_callback_pointer + ) + _assert_no_error(result) + + # Here we need to compute the handle to use. We do this by taking the + # id of self modulo 2**31 - 1. If this is already in the dictionary, we + # just keep incrementing by one until we find a free space. + with _connection_ref_lock: + handle = id(self) % 2147483647 + while handle in _connection_refs: + handle = (handle + 1) % 2147483647 + _connection_refs[handle] = self + + result = Security.SSLSetConnection(self.context, handle) + _assert_no_error(result) + + # If we have a server hostname, we should set that too. + if server_hostname: + if not isinstance(server_hostname, bytes): + server_hostname = server_hostname.encode('utf-8') + + result = Security.SSLSetPeerDomainName( + self.context, server_hostname, len(server_hostname) + ) + _assert_no_error(result) + + # Setup the ciphers. + self._set_ciphers() + + # Set the minimum and maximum TLS versions. + result = Security.SSLSetProtocolVersionMin(self.context, min_version) + _assert_no_error(result) + result = Security.SSLSetProtocolVersionMax(self.context, max_version) + _assert_no_error(result) + + # If there's a trust DB, we need to use it. We do that by telling + # SecureTransport to break on server auth. We also do that if we don't + # want to validate the certs at all: we just won't actually do any + # authing in that case. + if not verify or trust_bundle is not None: + result = Security.SSLSetSessionOption( + self.context, + SecurityConst.kSSLSessionOptionBreakOnServerAuth, + True + ) + _assert_no_error(result) + + # If there's a client cert, we need to use it. + if client_cert: + self._keychain, self._keychain_dir = _temporary_keychain() + self._client_cert_chain = _load_client_cert_chain( + self._keychain, client_cert, client_key + ) + result = Security.SSLSetCertificate( + self.context, self._client_cert_chain + ) + _assert_no_error(result) + + while True: + with self._raise_on_error(): + result = Security.SSLHandshake(self.context) + + if result == SecurityConst.errSSLWouldBlock: + raise socket.timeout("handshake timed out") + elif result == SecurityConst.errSSLServerAuthCompleted: + self._custom_validate(verify, trust_bundle) + continue + else: + _assert_no_error(result) + break + + def fileno(self): + return self.socket.fileno() + + # Copy-pasted from Python 3.5 source code + def _decref_socketios(self): + if self._makefile_refs > 0: + self._makefile_refs -= 1 + if self._closed: + self.close() + + def recv(self, bufsiz): + buffer = ctypes.create_string_buffer(bufsiz) + bytes_read = self.recv_into(buffer, bufsiz) + data = buffer[:bytes_read] + return data + + def recv_into(self, buffer, nbytes=None): + # Read short on EOF. + if self._closed: + return 0 + + if nbytes is None: + nbytes = len(buffer) + + buffer = (ctypes.c_char * nbytes).from_buffer(buffer) + processed_bytes = ctypes.c_size_t(0) + + with self._raise_on_error(): + result = Security.SSLRead( + self.context, buffer, nbytes, ctypes.byref(processed_bytes) + ) + + # There are some result codes that we want to treat as "not always + # errors". Specifically, those are errSSLWouldBlock, + # errSSLClosedGraceful, and errSSLClosedNoNotify. + if (result == SecurityConst.errSSLWouldBlock): + # If we didn't process any bytes, then this was just a time out. + # However, we can get errSSLWouldBlock in situations when we *did* + # read some data, and in those cases we should just read "short" + # and return. + if processed_bytes.value == 0: + # Timed out, no data read. + raise socket.timeout("recv timed out") + elif result in (SecurityConst.errSSLClosedGraceful, SecurityConst.errSSLClosedNoNotify): + # The remote peer has closed this connection. We should do so as + # well. Note that we don't actually return here because in + # principle this could actually be fired along with return data. + # It's unlikely though. + self.close() + else: + _assert_no_error(result) + + # Ok, we read and probably succeeded. We should return whatever data + # was actually read. + return processed_bytes.value + + def settimeout(self, timeout): + self._timeout = timeout + + def gettimeout(self): + return self._timeout + + def send(self, data): + processed_bytes = ctypes.c_size_t(0) + + with self._raise_on_error(): + result = Security.SSLWrite( + self.context, data, len(data), ctypes.byref(processed_bytes) + ) + + if result == SecurityConst.errSSLWouldBlock and processed_bytes.value == 0: + # Timed out + raise socket.timeout("send timed out") + else: + _assert_no_error(result) + + # We sent, and probably succeeded. Tell them how much we sent. + return processed_bytes.value + + def sendall(self, data): + total_sent = 0 + while total_sent < len(data): + sent = self.send(data[total_sent:total_sent + SSL_WRITE_BLOCKSIZE]) + total_sent += sent + + def shutdown(self): + with self._raise_on_error(): + Security.SSLClose(self.context) + + def close(self): + # TODO: should I do clean shutdown here? Do I have to? + if self._makefile_refs < 1: + self._closed = True + if self.context: + CoreFoundation.CFRelease(self.context) + self.context = None + if self._client_cert_chain: + CoreFoundation.CFRelease(self._client_cert_chain) + self._client_cert_chain = None + if self._keychain: + Security.SecKeychainDelete(self._keychain) + CoreFoundation.CFRelease(self._keychain) + shutil.rmtree(self._keychain_dir) + self._keychain = self._keychain_dir = None + return self.socket.close() + else: + self._makefile_refs -= 1 + + def getpeercert(self, binary_form=False): + # Urgh, annoying. + # + # Here's how we do this: + # + # 1. Call SSLCopyPeerTrust to get hold of the trust object for this + # connection. + # 2. Call SecTrustGetCertificateAtIndex for index 0 to get the leaf. + # 3. To get the CN, call SecCertificateCopyCommonName and process that + # string so that it's of the appropriate type. + # 4. To get the SAN, we need to do something a bit more complex: + # a. Call SecCertificateCopyValues to get the data, requesting + # kSecOIDSubjectAltName. + # b. Mess about with this dictionary to try to get the SANs out. + # + # This is gross. Really gross. It's going to be a few hundred LoC extra + # just to repeat something that SecureTransport can *already do*. So my + # operating assumption at this time is that what we want to do is + # instead to just flag to urllib3 that it shouldn't do its own hostname + # validation when using SecureTransport. + if not binary_form: + raise ValueError( + "SecureTransport only supports dumping binary certs" + ) + trust = Security.SecTrustRef() + certdata = None + der_bytes = None + + try: + # Grab the trust store. + result = Security.SSLCopyPeerTrust( + self.context, ctypes.byref(trust) + ) + _assert_no_error(result) + if not trust: + # Probably we haven't done the handshake yet. No biggie. + return None + + cert_count = Security.SecTrustGetCertificateCount(trust) + if not cert_count: + # Also a case that might happen if we haven't handshaked. + # Handshook? Handshaken? + return None + + leaf = Security.SecTrustGetCertificateAtIndex(trust, 0) + assert leaf + + # Ok, now we want the DER bytes. + certdata = Security.SecCertificateCopyData(leaf) + assert certdata + + data_length = CoreFoundation.CFDataGetLength(certdata) + data_buffer = CoreFoundation.CFDataGetBytePtr(certdata) + der_bytes = ctypes.string_at(data_buffer, data_length) + finally: + if certdata: + CoreFoundation.CFRelease(certdata) + if trust: + CoreFoundation.CFRelease(trust) + + return der_bytes + + def _reuse(self): + self._makefile_refs += 1 + + def _drop(self): + if self._makefile_refs < 1: + self.close() + else: + self._makefile_refs -= 1 + + +if _fileobject: # Platform-specific: Python 2 + def makefile(self, mode, bufsize=-1): + self._makefile_refs += 1 + return _fileobject(self, mode, bufsize, close=True) +else: # Platform-specific: Python 3 + def makefile(self, mode="r", buffering=None, *args, **kwargs): + # We disable buffering with SecureTransport because it conflicts with + # the buffering that ST does internally (see issue #1153 for more). + buffering = 0 + return backport_makefile(self, mode, buffering, *args, **kwargs) + +WrappedSocket.makefile = makefile + + +class SecureTransportContext(object): + """ + I am a wrapper class for the SecureTransport library, to translate the + interface of the standard library ``SSLContext`` object to calls into + SecureTransport. + """ + def __init__(self, protocol): + self._min_version, self._max_version = _protocol_to_min_max[protocol] + self._options = 0 + self._verify = False + self._trust_bundle = None + self._client_cert = None + self._client_key = None + self._client_key_passphrase = None + + @property + def check_hostname(self): + """ + SecureTransport cannot have its hostname checking disabled. For more, + see the comment on getpeercert() in this file. + """ + return True + + @check_hostname.setter + def check_hostname(self, value): + """ + SecureTransport cannot have its hostname checking disabled. For more, + see the comment on getpeercert() in this file. + """ + pass + + @property + def options(self): + # TODO: Well, crap. + # + # So this is the bit of the code that is the most likely to cause us + # trouble. Essentially we need to enumerate all of the SSL options that + # users might want to use and try to see if we can sensibly translate + # them, or whether we should just ignore them. + return self._options + + @options.setter + def options(self, value): + # TODO: Update in line with above. + self._options = value + + @property + def verify_mode(self): + return ssl.CERT_REQUIRED if self._verify else ssl.CERT_NONE + + @verify_mode.setter + def verify_mode(self, value): + self._verify = True if value == ssl.CERT_REQUIRED else False + + def set_default_verify_paths(self): + # So, this has to do something a bit weird. Specifically, what it does + # is nothing. + # + # This means that, if we had previously had load_verify_locations + # called, this does not undo that. We need to do that because it turns + # out that the rest of the urllib3 code will attempt to load the + # default verify paths if it hasn't been told about any paths, even if + # the context itself was sometime earlier. We resolve that by just + # ignoring it. + pass + + def load_default_certs(self): + return self.set_default_verify_paths() + + def set_ciphers(self, ciphers): + # For now, we just require the default cipher string. + if ciphers != util.ssl_.DEFAULT_CIPHERS: + raise ValueError( + "SecureTransport doesn't support custom cipher strings" + ) + + def load_verify_locations(self, cafile=None, capath=None, cadata=None): + # OK, we only really support cadata and cafile. + if capath is not None: + raise ValueError( + "SecureTransport does not support cert directories" + ) + + self._trust_bundle = cafile or cadata + + def load_cert_chain(self, certfile, keyfile=None, password=None): + self._client_cert = certfile + self._client_key = keyfile + self._client_cert_passphrase = password + + def wrap_socket(self, sock, server_side=False, + do_handshake_on_connect=True, suppress_ragged_eofs=True, + server_hostname=None): + # So, what do we do here? Firstly, we assert some properties. This is a + # stripped down shim, so there is some functionality we don't support. + # See PEP 543 for the real deal. + assert not server_side + assert do_handshake_on_connect + assert suppress_ragged_eofs + + # Ok, we're good to go. Now we want to create the wrapped socket object + # and store it in the appropriate place. + wrapped_socket = WrappedSocket(sock) + + # Now we can handshake + wrapped_socket.handshake( + server_hostname, self._verify, self._trust_bundle, + self._min_version, self._max_version, self._client_cert, + self._client_key, self._client_key_passphrase + ) + return wrapped_socket diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/socks.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/socks.py new file mode 100644 index 0000000..811e312 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/contrib/socks.py @@ -0,0 +1,192 @@ +# -*- coding: utf-8 -*- +""" +This module contains provisional support for SOCKS proxies from within +urllib3. This module supports SOCKS4 (specifically the SOCKS4A variant) and +SOCKS5. To enable its functionality, either install PySocks or install this +module with the ``socks`` extra. + +The SOCKS implementation supports the full range of urllib3 features. It also +supports the following SOCKS features: + +- SOCKS4 +- SOCKS4a +- SOCKS5 +- Usernames and passwords for the SOCKS proxy + +Known Limitations: + +- Currently PySocks does not support contacting remote websites via literal + IPv6 addresses. Any such connection attempt will fail. You must use a domain + name. +- Currently PySocks does not support IPv6 connections to the SOCKS proxy. Any + such connection attempt will fail. +""" +from __future__ import absolute_import + +try: + import socks +except ImportError: + import warnings + from ..exceptions import DependencyWarning + + warnings.warn(( + 'SOCKS support in urllib3 requires the installation of optional ' + 'dependencies: specifically, PySocks. For more information, see ' + 'https://urllib3.readthedocs.io/en/latest/contrib.html#socks-proxies' + ), + DependencyWarning + ) + raise + +from socket import error as SocketError, timeout as SocketTimeout + +from ..connection import ( + HTTPConnection, HTTPSConnection +) +from ..connectionpool import ( + HTTPConnectionPool, HTTPSConnectionPool +) +from ..exceptions import ConnectTimeoutError, NewConnectionError +from ..poolmanager import PoolManager +from ..util.url import parse_url + +try: + import ssl +except ImportError: + ssl = None + + +class SOCKSConnection(HTTPConnection): + """ + A plain-text HTTP connection that connects via a SOCKS proxy. + """ + def __init__(self, *args, **kwargs): + self._socks_options = kwargs.pop('_socks_options') + super(SOCKSConnection, self).__init__(*args, **kwargs) + + def _new_conn(self): + """ + Establish a new connection via the SOCKS proxy. + """ + extra_kw = {} + if self.source_address: + extra_kw['source_address'] = self.source_address + + if self.socket_options: + extra_kw['socket_options'] = self.socket_options + + try: + conn = socks.create_connection( + (self.host, self.port), + proxy_type=self._socks_options['socks_version'], + proxy_addr=self._socks_options['proxy_host'], + proxy_port=self._socks_options['proxy_port'], + proxy_username=self._socks_options['username'], + proxy_password=self._socks_options['password'], + proxy_rdns=self._socks_options['rdns'], + timeout=self.timeout, + **extra_kw + ) + + except SocketTimeout as e: + raise ConnectTimeoutError( + self, "Connection to %s timed out. (connect timeout=%s)" % + (self.host, self.timeout)) + + except socks.ProxyError as e: + # This is fragile as hell, but it seems to be the only way to raise + # useful errors here. + if e.socket_err: + error = e.socket_err + if isinstance(error, SocketTimeout): + raise ConnectTimeoutError( + self, + "Connection to %s timed out. (connect timeout=%s)" % + (self.host, self.timeout) + ) + else: + raise NewConnectionError( + self, + "Failed to establish a new connection: %s" % error + ) + else: + raise NewConnectionError( + self, + "Failed to establish a new connection: %s" % e + ) + + except SocketError as e: # Defensive: PySocks should catch all these. + raise NewConnectionError( + self, "Failed to establish a new connection: %s" % e) + + return conn + + +# We don't need to duplicate the Verified/Unverified distinction from +# urllib3/connection.py here because the HTTPSConnection will already have been +# correctly set to either the Verified or Unverified form by that module. This +# means the SOCKSHTTPSConnection will automatically be the correct type. +class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection): + pass + + +class SOCKSHTTPConnectionPool(HTTPConnectionPool): + ConnectionCls = SOCKSConnection + + +class SOCKSHTTPSConnectionPool(HTTPSConnectionPool): + ConnectionCls = SOCKSHTTPSConnection + + +class SOCKSProxyManager(PoolManager): + """ + A version of the urllib3 ProxyManager that routes connections via the + defined SOCKS proxy. + """ + pool_classes_by_scheme = { + 'http': SOCKSHTTPConnectionPool, + 'https': SOCKSHTTPSConnectionPool, + } + + def __init__(self, proxy_url, username=None, password=None, + num_pools=10, headers=None, **connection_pool_kw): + parsed = parse_url(proxy_url) + + if username is None and password is None and parsed.auth is not None: + split = parsed.auth.split(':') + if len(split) == 2: + username, password = split + if parsed.scheme == 'socks5': + socks_version = socks.PROXY_TYPE_SOCKS5 + rdns = False + elif parsed.scheme == 'socks5h': + socks_version = socks.PROXY_TYPE_SOCKS5 + rdns = True + elif parsed.scheme == 'socks4': + socks_version = socks.PROXY_TYPE_SOCKS4 + rdns = False + elif parsed.scheme == 'socks4a': + socks_version = socks.PROXY_TYPE_SOCKS4 + rdns = True + else: + raise ValueError( + "Unable to determine SOCKS version from %s" % proxy_url + ) + + self.proxy_url = proxy_url + + socks_options = { + 'socks_version': socks_version, + 'proxy_host': parsed.host, + 'proxy_port': parsed.port, + 'username': username, + 'password': password, + 'rdns': rdns + } + connection_pool_kw['_socks_options'] = socks_options + + super(SOCKSProxyManager, self).__init__( + num_pools, headers, **connection_pool_kw + ) + + self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/exceptions.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/exceptions.py new file mode 100644 index 0000000..7bbaa98 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/exceptions.py @@ -0,0 +1,246 @@ +from __future__ import absolute_import +from .packages.six.moves.http_client import ( + IncompleteRead as httplib_IncompleteRead +) +# Base Exceptions + + +class HTTPError(Exception): + "Base exception used by this module." + pass + + +class HTTPWarning(Warning): + "Base warning used by this module." + pass + + +class PoolError(HTTPError): + "Base exception for errors caused within a pool." + def __init__(self, pool, message): + self.pool = pool + HTTPError.__init__(self, "%s: %s" % (pool, message)) + + def __reduce__(self): + # For pickling purposes. + return self.__class__, (None, None) + + +class RequestError(PoolError): + "Base exception for PoolErrors that have associated URLs." + def __init__(self, pool, url, message): + self.url = url + PoolError.__init__(self, pool, message) + + def __reduce__(self): + # For pickling purposes. + return self.__class__, (None, self.url, None) + + +class SSLError(HTTPError): + "Raised when SSL certificate fails in an HTTPS connection." + pass + + +class ProxyError(HTTPError): + "Raised when the connection to a proxy fails." + pass + + +class DecodeError(HTTPError): + "Raised when automatic decoding based on Content-Type fails." + pass + + +class ProtocolError(HTTPError): + "Raised when something unexpected happens mid-request/response." + pass + + +#: Renamed to ProtocolError but aliased for backwards compatibility. +ConnectionError = ProtocolError + + +# Leaf Exceptions + +class MaxRetryError(RequestError): + """Raised when the maximum number of retries is exceeded. + + :param pool: The connection pool + :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool` + :param string url: The requested Url + :param exceptions.Exception reason: The underlying error + + """ + + def __init__(self, pool, url, reason=None): + self.reason = reason + + message = "Max retries exceeded with url: %s (Caused by %r)" % ( + url, reason) + + RequestError.__init__(self, pool, url, message) + + +class HostChangedError(RequestError): + "Raised when an existing pool gets a request for a foreign host." + + def __init__(self, pool, url, retries=3): + message = "Tried to open a foreign host with url: %s" % url + RequestError.__init__(self, pool, url, message) + self.retries = retries + + +class TimeoutStateError(HTTPError): + """ Raised when passing an invalid state to a timeout """ + pass + + +class TimeoutError(HTTPError): + """ Raised when a socket timeout error occurs. + + Catching this error will catch both :exc:`ReadTimeoutErrors + <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`. + """ + pass + + +class ReadTimeoutError(TimeoutError, RequestError): + "Raised when a socket timeout occurs while receiving data from a server" + pass + + +# This timeout error does not have a URL attached and needs to inherit from the +# base HTTPError +class ConnectTimeoutError(TimeoutError): + "Raised when a socket timeout occurs while connecting to a server" + pass + + +class NewConnectionError(ConnectTimeoutError, PoolError): + "Raised when we fail to establish a new connection. Usually ECONNREFUSED." + pass + + +class EmptyPoolError(PoolError): + "Raised when a pool runs out of connections and no more are allowed." + pass + + +class ClosedPoolError(PoolError): + "Raised when a request enters a pool after the pool has been closed." + pass + + +class LocationValueError(ValueError, HTTPError): + "Raised when there is something wrong with a given URL input." + pass + + +class LocationParseError(LocationValueError): + "Raised when get_host or similar fails to parse the URL input." + + def __init__(self, location): + message = "Failed to parse: %s" % location + HTTPError.__init__(self, message) + + self.location = location + + +class ResponseError(HTTPError): + "Used as a container for an error reason supplied in a MaxRetryError." + GENERIC_ERROR = 'too many error responses' + SPECIFIC_ERROR = 'too many {status_code} error responses' + + +class SecurityWarning(HTTPWarning): + "Warned when performing security reducing actions" + pass + + +class SubjectAltNameWarning(SecurityWarning): + "Warned when connecting to a host with a certificate missing a SAN." + pass + + +class InsecureRequestWarning(SecurityWarning): + "Warned when making an unverified HTTPS request." + pass + + +class SystemTimeWarning(SecurityWarning): + "Warned when system time is suspected to be wrong" + pass + + +class InsecurePlatformWarning(SecurityWarning): + "Warned when certain SSL configuration is not available on a platform." + pass + + +class SNIMissingWarning(HTTPWarning): + "Warned when making a HTTPS request without SNI available." + pass + + +class DependencyWarning(HTTPWarning): + """ + Warned when an attempt is made to import a module with missing optional + dependencies. + """ + pass + + +class ResponseNotChunked(ProtocolError, ValueError): + "Response needs to be chunked in order to read it as chunks." + pass + + +class BodyNotHttplibCompatible(HTTPError): + """ + Body should be httplib.HTTPResponse like (have an fp attribute which + returns raw chunks) for read_chunked(). + """ + pass + + +class IncompleteRead(HTTPError, httplib_IncompleteRead): + """ + Response length doesn't match expected Content-Length + + Subclass of http_client.IncompleteRead to allow int value + for `partial` to avoid creating large objects on streamed + reads. + """ + def __init__(self, partial, expected): + super(IncompleteRead, self).__init__(partial, expected) + + def __repr__(self): + return ('IncompleteRead(%i bytes read, ' + '%i more expected)' % (self.partial, self.expected)) + + +class InvalidHeader(HTTPError): + "The header provided was somehow invalid." + pass + + +class ProxySchemeUnknown(AssertionError, ValueError): + "ProxyManager does not support the supplied scheme" + # TODO(t-8ch): Stop inheriting from AssertionError in v2.0. + + def __init__(self, scheme): + message = "Not supported proxy scheme %s" % scheme + super(ProxySchemeUnknown, self).__init__(message) + + +class HeaderParsingError(HTTPError): + "Raised by assert_header_parsing, but we convert it to a log.warning statement." + def __init__(self, defects, unparsed_data): + message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data) + super(HeaderParsingError, self).__init__(message) + + +class UnrewindableBodyError(HTTPError): + "urllib3 encountered an error when trying to rewind a body" + pass diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py new file mode 100644 index 0000000..37fe64a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py @@ -0,0 +1,178 @@ +from __future__ import absolute_import +import email.utils +import mimetypes + +from .packages import six + + +def guess_content_type(filename, default='application/octet-stream'): + """ + Guess the "Content-Type" of a file. + + :param filename: + The filename to guess the "Content-Type" of using :mod:`mimetypes`. + :param default: + If no "Content-Type" can be guessed, default to `default`. + """ + if filename: + return mimetypes.guess_type(filename)[0] or default + return default + + +def format_header_param(name, value): + """ + Helper function to format and quote a single header parameter. + + Particularly useful for header parameters which might contain + non-ASCII values, like file names. This follows RFC 2231, as + suggested by RFC 2388 Section 4.4. + + :param name: + The name of the parameter, a string expected to be ASCII only. + :param value: + The value of the parameter, provided as a unicode string. + """ + if not any(ch in value for ch in '"\\\r\n'): + result = '%s="%s"' % (name, value) + try: + result.encode('ascii') + except (UnicodeEncodeError, UnicodeDecodeError): + pass + else: + return result + if not six.PY3 and isinstance(value, six.text_type): # Python 2: + value = value.encode('utf-8') + value = email.utils.encode_rfc2231(value, 'utf-8') + value = '%s*=%s' % (name, value) + return value + + +class RequestField(object): + """ + A data container for request body parameters. + + :param name: + The name of this request field. + :param data: + The data/value body. + :param filename: + An optional filename of the request field. + :param headers: + An optional dict-like object of headers to initially use for the field. + """ + def __init__(self, name, data, filename=None, headers=None): + self._name = name + self._filename = filename + self.data = data + self.headers = {} + if headers: + self.headers = dict(headers) + + @classmethod + def from_tuples(cls, fieldname, value): + """ + A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters. + + Supports constructing :class:`~urllib3.fields.RequestField` from + parameter of key/value strings AND key/filetuple. A filetuple is a + (filename, data, MIME type) tuple where the MIME type is optional. + For example:: + + 'foo': 'bar', + 'fakefile': ('foofile.txt', 'contents of foofile'), + 'realfile': ('barfile.txt', open('realfile').read()), + 'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'), + 'nonamefile': 'contents of nonamefile field', + + Field names and filenames must be unicode. + """ + if isinstance(value, tuple): + if len(value) == 3: + filename, data, content_type = value + else: + filename, data = value + content_type = guess_content_type(filename) + else: + filename = None + content_type = None + data = value + + request_param = cls(fieldname, data, filename=filename) + request_param.make_multipart(content_type=content_type) + + return request_param + + def _render_part(self, name, value): + """ + Overridable helper function to format a single header parameter. + + :param name: + The name of the parameter, a string expected to be ASCII only. + :param value: + The value of the parameter, provided as a unicode string. + """ + return format_header_param(name, value) + + def _render_parts(self, header_parts): + """ + Helper function to format and quote a single header. + + Useful for single headers that are composed of multiple items. E.g., + 'Content-Disposition' fields. + + :param header_parts: + A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format + as `k1="v1"; k2="v2"; ...`. + """ + parts = [] + iterable = header_parts + if isinstance(header_parts, dict): + iterable = header_parts.items() + + for name, value in iterable: + if value is not None: + parts.append(self._render_part(name, value)) + + return '; '.join(parts) + + def render_headers(self): + """ + Renders the headers for this request field. + """ + lines = [] + + sort_keys = ['Content-Disposition', 'Content-Type', 'Content-Location'] + for sort_key in sort_keys: + if self.headers.get(sort_key, False): + lines.append('%s: %s' % (sort_key, self.headers[sort_key])) + + for header_name, header_value in self.headers.items(): + if header_name not in sort_keys: + if header_value: + lines.append('%s: %s' % (header_name, header_value)) + + lines.append('\r\n') + return '\r\n'.join(lines) + + def make_multipart(self, content_disposition=None, content_type=None, + content_location=None): + """ + Makes this request field into a multipart request field. + + This method overrides "Content-Disposition", "Content-Type" and + "Content-Location" headers to the request parameter. + + :param content_type: + The 'Content-Type' of the request body. + :param content_location: + The 'Content-Location' of the request body. + + """ + self.headers['Content-Disposition'] = content_disposition or 'form-data' + self.headers['Content-Disposition'] += '; '.join([ + '', self._render_parts( + (('name', self._name), ('filename', self._filename)) + ) + ]) + self.headers['Content-Type'] = content_type + self.headers['Content-Location'] = content_location diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/filepost.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/filepost.py new file mode 100644 index 0000000..78f1e19 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/filepost.py @@ -0,0 +1,98 @@ +from __future__ import absolute_import +import binascii +import codecs +import os + +from io import BytesIO + +from .packages import six +from .packages.six import b +from .fields import RequestField + +writer = codecs.lookup('utf-8')[3] + + +def choose_boundary(): + """ + Our embarrassingly-simple replacement for mimetools.choose_boundary. + """ + boundary = binascii.hexlify(os.urandom(16)) + if six.PY3: + boundary = boundary.decode('ascii') + return boundary + + +def iter_field_objects(fields): + """ + Iterate over fields. + + Supports list of (k, v) tuples and dicts, and lists of + :class:`~urllib3.fields.RequestField`. + + """ + if isinstance(fields, dict): + i = six.iteritems(fields) + else: + i = iter(fields) + + for field in i: + if isinstance(field, RequestField): + yield field + else: + yield RequestField.from_tuples(*field) + + +def iter_fields(fields): + """ + .. deprecated:: 1.6 + + Iterate over fields. + + The addition of :class:`~urllib3.fields.RequestField` makes this function + obsolete. Instead, use :func:`iter_field_objects`, which returns + :class:`~urllib3.fields.RequestField` objects. + + Supports list of (k, v) tuples and dicts. + """ + if isinstance(fields, dict): + return ((k, v) for k, v in six.iteritems(fields)) + + return ((k, v) for k, v in fields) + + +def encode_multipart_formdata(fields, boundary=None): + """ + Encode a dictionary of ``fields`` using the multipart/form-data MIME format. + + :param fields: + Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`). + + :param boundary: + If not specified, then a random boundary will be generated using + :func:`urllib3.filepost.choose_boundary`. + """ + body = BytesIO() + if boundary is None: + boundary = choose_boundary() + + for field in iter_field_objects(fields): + body.write(b('--%s\r\n' % (boundary))) + + writer(body).write(field.render_headers()) + data = field.data + + if isinstance(data, int): + data = str(data) # Backwards compatibility + + if isinstance(data, six.text_type): + writer(body).write(data) + else: + body.write(data) + + body.write(b'\r\n') + + body.write(b('--%s--\r\n' % (boundary))) + + content_type = str('multipart/form-data; boundary=%s' % boundary) + + return body.getvalue(), content_type diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/__init__.py new file mode 100644 index 0000000..170e974 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/__init__.py @@ -0,0 +1,5 @@ +from __future__ import absolute_import + +from . import ssl_match_hostname + +__all__ = ('ssl_match_hostname', ) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/backports/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/backports/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/backports/makefile.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/backports/makefile.py new file mode 100644 index 0000000..740db37 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/backports/makefile.py @@ -0,0 +1,53 @@ +# -*- coding: utf-8 -*- +""" +backports.makefile +~~~~~~~~~~~~~~~~~~ + +Backports the Python 3 ``socket.makefile`` method for use with anything that +wants to create a "fake" socket object. +""" +import io + +from socket import SocketIO + + +def backport_makefile(self, mode="r", buffering=None, encoding=None, + errors=None, newline=None): + """ + Backport of ``socket.makefile`` from Python 3.5. + """ + if not set(mode) <= {"r", "w", "b"}: + raise ValueError( + "invalid mode %r (only r, w, b allowed)" % (mode,) + ) + writing = "w" in mode + reading = "r" in mode or not writing + assert reading or writing + binary = "b" in mode + rawmode = "" + if reading: + rawmode += "r" + if writing: + rawmode += "w" + raw = SocketIO(self, rawmode) + self._makefile_refs += 1 + if buffering is None: + buffering = -1 + if buffering < 0: + buffering = io.DEFAULT_BUFFER_SIZE + if buffering == 0: + if not binary: + raise ValueError("unbuffered streams must be binary") + return raw + if reading and writing: + buffer = io.BufferedRWPair(raw, raw, buffering) + elif reading: + buffer = io.BufferedReader(raw, buffering) + else: + assert writing + buffer = io.BufferedWriter(raw, buffering) + if binary: + return buffer + text = io.TextIOWrapper(buffer, encoding, errors, newline) + text.mode = mode + return text diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/six.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/six.py new file mode 100644 index 0000000..190c023 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/six.py @@ -0,0 +1,868 @@ +"""Utilities for writing code that runs on Python 2 and 3""" + +# Copyright (c) 2010-2015 Benjamin Peterson +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +from __future__ import absolute_import + +import functools +import itertools +import operator +import sys +import types + +__author__ = "Benjamin Peterson <benjamin@python.org>" +__version__ = "1.10.0" + + +# Useful for very coarse version differentiation. +PY2 = sys.version_info[0] == 2 +PY3 = sys.version_info[0] == 3 +PY34 = sys.version_info[0:2] >= (3, 4) + +if PY3: + string_types = str, + integer_types = int, + class_types = type, + text_type = str + binary_type = bytes + + MAXSIZE = sys.maxsize +else: + string_types = basestring, + integer_types = (int, long) + class_types = (type, types.ClassType) + text_type = unicode + binary_type = str + + if sys.platform.startswith("java"): + # Jython always uses 32 bits. + MAXSIZE = int((1 << 31) - 1) + else: + # It's possible to have sizeof(long) != sizeof(Py_ssize_t). + class X(object): + + def __len__(self): + return 1 << 31 + try: + len(X()) + except OverflowError: + # 32-bit + MAXSIZE = int((1 << 31) - 1) + else: + # 64-bit + MAXSIZE = int((1 << 63) - 1) + del X + + +def _add_doc(func, doc): + """Add documentation to a function.""" + func.__doc__ = doc + + +def _import_module(name): + """Import module, returning the module after the last dot.""" + __import__(name) + return sys.modules[name] + + +class _LazyDescr(object): + + def __init__(self, name): + self.name = name + + def __get__(self, obj, tp): + result = self._resolve() + setattr(obj, self.name, result) # Invokes __set__. + try: + # This is a bit ugly, but it avoids running this again by + # removing this descriptor. + delattr(obj.__class__, self.name) + except AttributeError: + pass + return result + + +class MovedModule(_LazyDescr): + + def __init__(self, name, old, new=None): + super(MovedModule, self).__init__(name) + if PY3: + if new is None: + new = name + self.mod = new + else: + self.mod = old + + def _resolve(self): + return _import_module(self.mod) + + def __getattr__(self, attr): + _module = self._resolve() + value = getattr(_module, attr) + setattr(self, attr, value) + return value + + +class _LazyModule(types.ModuleType): + + def __init__(self, name): + super(_LazyModule, self).__init__(name) + self.__doc__ = self.__class__.__doc__ + + def __dir__(self): + attrs = ["__doc__", "__name__"] + attrs += [attr.name for attr in self._moved_attributes] + return attrs + + # Subclasses should override this + _moved_attributes = [] + + +class MovedAttribute(_LazyDescr): + + def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None): + super(MovedAttribute, self).__init__(name) + if PY3: + if new_mod is None: + new_mod = name + self.mod = new_mod + if new_attr is None: + if old_attr is None: + new_attr = name + else: + new_attr = old_attr + self.attr = new_attr + else: + self.mod = old_mod + if old_attr is None: + old_attr = name + self.attr = old_attr + + def _resolve(self): + module = _import_module(self.mod) + return getattr(module, self.attr) + + +class _SixMetaPathImporter(object): + + """ + A meta path importer to import six.moves and its submodules. + + This class implements a PEP302 finder and loader. It should be compatible + with Python 2.5 and all existing versions of Python3 + """ + + def __init__(self, six_module_name): + self.name = six_module_name + self.known_modules = {} + + def _add_module(self, mod, *fullnames): + for fullname in fullnames: + self.known_modules[self.name + "." + fullname] = mod + + def _get_module(self, fullname): + return self.known_modules[self.name + "." + fullname] + + def find_module(self, fullname, path=None): + if fullname in self.known_modules: + return self + return None + + def __get_module(self, fullname): + try: + return self.known_modules[fullname] + except KeyError: + raise ImportError("This loader does not know module " + fullname) + + def load_module(self, fullname): + try: + # in case of a reload + return sys.modules[fullname] + except KeyError: + pass + mod = self.__get_module(fullname) + if isinstance(mod, MovedModule): + mod = mod._resolve() + else: + mod.__loader__ = self + sys.modules[fullname] = mod + return mod + + def is_package(self, fullname): + """ + Return true, if the named module is a package. + + We need this method to get correct spec objects with + Python 3.4 (see PEP451) + """ + return hasattr(self.__get_module(fullname), "__path__") + + def get_code(self, fullname): + """Return None + + Required, if is_package is implemented""" + self.__get_module(fullname) # eventually raises ImportError + return None + get_source = get_code # same as get_code + +_importer = _SixMetaPathImporter(__name__) + + +class _MovedItems(_LazyModule): + + """Lazy loading of moved objects""" + __path__ = [] # mark as package + + +_moved_attributes = [ + MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"), + MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"), + MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"), + MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"), + MovedAttribute("intern", "__builtin__", "sys"), + MovedAttribute("map", "itertools", "builtins", "imap", "map"), + MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"), + MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"), + MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"), + MovedAttribute("reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"), + MovedAttribute("reduce", "__builtin__", "functools"), + MovedAttribute("shlex_quote", "pipes", "shlex", "quote"), + MovedAttribute("StringIO", "StringIO", "io"), + MovedAttribute("UserDict", "UserDict", "collections"), + MovedAttribute("UserList", "UserList", "collections"), + MovedAttribute("UserString", "UserString", "collections"), + MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"), + MovedAttribute("zip", "itertools", "builtins", "izip", "zip"), + MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"), + MovedModule("builtins", "__builtin__"), + MovedModule("configparser", "ConfigParser"), + MovedModule("copyreg", "copy_reg"), + MovedModule("dbm_gnu", "gdbm", "dbm.gnu"), + MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"), + MovedModule("http_cookiejar", "cookielib", "http.cookiejar"), + MovedModule("http_cookies", "Cookie", "http.cookies"), + MovedModule("html_entities", "htmlentitydefs", "html.entities"), + MovedModule("html_parser", "HTMLParser", "html.parser"), + MovedModule("http_client", "httplib", "http.client"), + MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"), + MovedModule("email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"), + MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"), + MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"), + MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"), + MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"), + MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"), + MovedModule("cPickle", "cPickle", "pickle"), + MovedModule("queue", "Queue"), + MovedModule("reprlib", "repr"), + MovedModule("socketserver", "SocketServer"), + MovedModule("_thread", "thread", "_thread"), + MovedModule("tkinter", "Tkinter"), + MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"), + MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"), + MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"), + MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"), + MovedModule("tkinter_tix", "Tix", "tkinter.tix"), + MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"), + MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"), + MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"), + MovedModule("tkinter_colorchooser", "tkColorChooser", + "tkinter.colorchooser"), + MovedModule("tkinter_commondialog", "tkCommonDialog", + "tkinter.commondialog"), + MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"), + MovedModule("tkinter_font", "tkFont", "tkinter.font"), + MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"), + MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", + "tkinter.simpledialog"), + MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"), + MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"), + MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"), + MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"), + MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"), + MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"), +] +# Add windows specific modules. +if sys.platform == "win32": + _moved_attributes += [ + MovedModule("winreg", "_winreg"), + ] + +for attr in _moved_attributes: + setattr(_MovedItems, attr.name, attr) + if isinstance(attr, MovedModule): + _importer._add_module(attr, "moves." + attr.name) +del attr + +_MovedItems._moved_attributes = _moved_attributes + +moves = _MovedItems(__name__ + ".moves") +_importer._add_module(moves, "moves") + + +class Module_six_moves_urllib_parse(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_parse""" + + +_urllib_parse_moved_attributes = [ + MovedAttribute("ParseResult", "urlparse", "urllib.parse"), + MovedAttribute("SplitResult", "urlparse", "urllib.parse"), + MovedAttribute("parse_qs", "urlparse", "urllib.parse"), + MovedAttribute("parse_qsl", "urlparse", "urllib.parse"), + MovedAttribute("urldefrag", "urlparse", "urllib.parse"), + MovedAttribute("urljoin", "urlparse", "urllib.parse"), + MovedAttribute("urlparse", "urlparse", "urllib.parse"), + MovedAttribute("urlsplit", "urlparse", "urllib.parse"), + MovedAttribute("urlunparse", "urlparse", "urllib.parse"), + MovedAttribute("urlunsplit", "urlparse", "urllib.parse"), + MovedAttribute("quote", "urllib", "urllib.parse"), + MovedAttribute("quote_plus", "urllib", "urllib.parse"), + MovedAttribute("unquote", "urllib", "urllib.parse"), + MovedAttribute("unquote_plus", "urllib", "urllib.parse"), + MovedAttribute("urlencode", "urllib", "urllib.parse"), + MovedAttribute("splitquery", "urllib", "urllib.parse"), + MovedAttribute("splittag", "urllib", "urllib.parse"), + MovedAttribute("splituser", "urllib", "urllib.parse"), + MovedAttribute("uses_fragment", "urlparse", "urllib.parse"), + MovedAttribute("uses_netloc", "urlparse", "urllib.parse"), + MovedAttribute("uses_params", "urlparse", "urllib.parse"), + MovedAttribute("uses_query", "urlparse", "urllib.parse"), + MovedAttribute("uses_relative", "urlparse", "urllib.parse"), +] +for attr in _urllib_parse_moved_attributes: + setattr(Module_six_moves_urllib_parse, attr.name, attr) +del attr + +Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes + +_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"), + "moves.urllib_parse", "moves.urllib.parse") + + +class Module_six_moves_urllib_error(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_error""" + + +_urllib_error_moved_attributes = [ + MovedAttribute("URLError", "urllib2", "urllib.error"), + MovedAttribute("HTTPError", "urllib2", "urllib.error"), + MovedAttribute("ContentTooShortError", "urllib", "urllib.error"), +] +for attr in _urllib_error_moved_attributes: + setattr(Module_six_moves_urllib_error, attr.name, attr) +del attr + +Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes + +_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"), + "moves.urllib_error", "moves.urllib.error") + + +class Module_six_moves_urllib_request(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_request""" + + +_urllib_request_moved_attributes = [ + MovedAttribute("urlopen", "urllib2", "urllib.request"), + MovedAttribute("install_opener", "urllib2", "urllib.request"), + MovedAttribute("build_opener", "urllib2", "urllib.request"), + MovedAttribute("pathname2url", "urllib", "urllib.request"), + MovedAttribute("url2pathname", "urllib", "urllib.request"), + MovedAttribute("getproxies", "urllib", "urllib.request"), + MovedAttribute("Request", "urllib2", "urllib.request"), + MovedAttribute("OpenerDirector", "urllib2", "urllib.request"), + MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"), + MovedAttribute("ProxyHandler", "urllib2", "urllib.request"), + MovedAttribute("BaseHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"), + MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"), + MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"), + MovedAttribute("FileHandler", "urllib2", "urllib.request"), + MovedAttribute("FTPHandler", "urllib2", "urllib.request"), + MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"), + MovedAttribute("UnknownHandler", "urllib2", "urllib.request"), + MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"), + MovedAttribute("urlretrieve", "urllib", "urllib.request"), + MovedAttribute("urlcleanup", "urllib", "urllib.request"), + MovedAttribute("URLopener", "urllib", "urllib.request"), + MovedAttribute("FancyURLopener", "urllib", "urllib.request"), + MovedAttribute("proxy_bypass", "urllib", "urllib.request"), +] +for attr in _urllib_request_moved_attributes: + setattr(Module_six_moves_urllib_request, attr.name, attr) +del attr + +Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes + +_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"), + "moves.urllib_request", "moves.urllib.request") + + +class Module_six_moves_urllib_response(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_response""" + + +_urllib_response_moved_attributes = [ + MovedAttribute("addbase", "urllib", "urllib.response"), + MovedAttribute("addclosehook", "urllib", "urllib.response"), + MovedAttribute("addinfo", "urllib", "urllib.response"), + MovedAttribute("addinfourl", "urllib", "urllib.response"), +] +for attr in _urllib_response_moved_attributes: + setattr(Module_six_moves_urllib_response, attr.name, attr) +del attr + +Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes + +_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"), + "moves.urllib_response", "moves.urllib.response") + + +class Module_six_moves_urllib_robotparser(_LazyModule): + + """Lazy loading of moved objects in six.moves.urllib_robotparser""" + + +_urllib_robotparser_moved_attributes = [ + MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"), +] +for attr in _urllib_robotparser_moved_attributes: + setattr(Module_six_moves_urllib_robotparser, attr.name, attr) +del attr + +Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes + +_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"), + "moves.urllib_robotparser", "moves.urllib.robotparser") + + +class Module_six_moves_urllib(types.ModuleType): + + """Create a six.moves.urllib namespace that resembles the Python 3 namespace""" + __path__ = [] # mark as package + parse = _importer._get_module("moves.urllib_parse") + error = _importer._get_module("moves.urllib_error") + request = _importer._get_module("moves.urllib_request") + response = _importer._get_module("moves.urllib_response") + robotparser = _importer._get_module("moves.urllib_robotparser") + + def __dir__(self): + return ['parse', 'error', 'request', 'response', 'robotparser'] + +_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"), + "moves.urllib") + + +def add_move(move): + """Add an item to six.moves.""" + setattr(_MovedItems, move.name, move) + + +def remove_move(name): + """Remove item from six.moves.""" + try: + delattr(_MovedItems, name) + except AttributeError: + try: + del moves.__dict__[name] + except KeyError: + raise AttributeError("no such move, %r" % (name,)) + + +if PY3: + _meth_func = "__func__" + _meth_self = "__self__" + + _func_closure = "__closure__" + _func_code = "__code__" + _func_defaults = "__defaults__" + _func_globals = "__globals__" +else: + _meth_func = "im_func" + _meth_self = "im_self" + + _func_closure = "func_closure" + _func_code = "func_code" + _func_defaults = "func_defaults" + _func_globals = "func_globals" + + +try: + advance_iterator = next +except NameError: + def advance_iterator(it): + return it.next() +next = advance_iterator + + +try: + callable = callable +except NameError: + def callable(obj): + return any("__call__" in klass.__dict__ for klass in type(obj).__mro__) + + +if PY3: + def get_unbound_function(unbound): + return unbound + + create_bound_method = types.MethodType + + def create_unbound_method(func, cls): + return func + + Iterator = object +else: + def get_unbound_function(unbound): + return unbound.im_func + + def create_bound_method(func, obj): + return types.MethodType(func, obj, obj.__class__) + + def create_unbound_method(func, cls): + return types.MethodType(func, None, cls) + + class Iterator(object): + + def next(self): + return type(self).__next__(self) + + callable = callable +_add_doc(get_unbound_function, + """Get the function out of a possibly unbound function""") + + +get_method_function = operator.attrgetter(_meth_func) +get_method_self = operator.attrgetter(_meth_self) +get_function_closure = operator.attrgetter(_func_closure) +get_function_code = operator.attrgetter(_func_code) +get_function_defaults = operator.attrgetter(_func_defaults) +get_function_globals = operator.attrgetter(_func_globals) + + +if PY3: + def iterkeys(d, **kw): + return iter(d.keys(**kw)) + + def itervalues(d, **kw): + return iter(d.values(**kw)) + + def iteritems(d, **kw): + return iter(d.items(**kw)) + + def iterlists(d, **kw): + return iter(d.lists(**kw)) + + viewkeys = operator.methodcaller("keys") + + viewvalues = operator.methodcaller("values") + + viewitems = operator.methodcaller("items") +else: + def iterkeys(d, **kw): + return d.iterkeys(**kw) + + def itervalues(d, **kw): + return d.itervalues(**kw) + + def iteritems(d, **kw): + return d.iteritems(**kw) + + def iterlists(d, **kw): + return d.iterlists(**kw) + + viewkeys = operator.methodcaller("viewkeys") + + viewvalues = operator.methodcaller("viewvalues") + + viewitems = operator.methodcaller("viewitems") + +_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.") +_add_doc(itervalues, "Return an iterator over the values of a dictionary.") +_add_doc(iteritems, + "Return an iterator over the (key, value) pairs of a dictionary.") +_add_doc(iterlists, + "Return an iterator over the (key, [values]) pairs of a dictionary.") + + +if PY3: + def b(s): + return s.encode("latin-1") + + def u(s): + return s + unichr = chr + import struct + int2byte = struct.Struct(">B").pack + del struct + byte2int = operator.itemgetter(0) + indexbytes = operator.getitem + iterbytes = iter + import io + StringIO = io.StringIO + BytesIO = io.BytesIO + _assertCountEqual = "assertCountEqual" + if sys.version_info[1] <= 1: + _assertRaisesRegex = "assertRaisesRegexp" + _assertRegex = "assertRegexpMatches" + else: + _assertRaisesRegex = "assertRaisesRegex" + _assertRegex = "assertRegex" +else: + def b(s): + return s + # Workaround for standalone backslash + + def u(s): + return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape") + unichr = unichr + int2byte = chr + + def byte2int(bs): + return ord(bs[0]) + + def indexbytes(buf, i): + return ord(buf[i]) + iterbytes = functools.partial(itertools.imap, ord) + import StringIO + StringIO = BytesIO = StringIO.StringIO + _assertCountEqual = "assertItemsEqual" + _assertRaisesRegex = "assertRaisesRegexp" + _assertRegex = "assertRegexpMatches" +_add_doc(b, """Byte literal""") +_add_doc(u, """Text literal""") + + +def assertCountEqual(self, *args, **kwargs): + return getattr(self, _assertCountEqual)(*args, **kwargs) + + +def assertRaisesRegex(self, *args, **kwargs): + return getattr(self, _assertRaisesRegex)(*args, **kwargs) + + +def assertRegex(self, *args, **kwargs): + return getattr(self, _assertRegex)(*args, **kwargs) + + +if PY3: + exec_ = getattr(moves.builtins, "exec") + + def reraise(tp, value, tb=None): + if value is None: + value = tp() + if value.__traceback__ is not tb: + raise value.with_traceback(tb) + raise value + +else: + def exec_(_code_, _globs_=None, _locs_=None): + """Execute code in a namespace.""" + if _globs_ is None: + frame = sys._getframe(1) + _globs_ = frame.f_globals + if _locs_ is None: + _locs_ = frame.f_locals + del frame + elif _locs_ is None: + _locs_ = _globs_ + exec("""exec _code_ in _globs_, _locs_""") + + exec_("""def reraise(tp, value, tb=None): + raise tp, value, tb +""") + + +if sys.version_info[:2] == (3, 2): + exec_("""def raise_from(value, from_value): + if from_value is None: + raise value + raise value from from_value +""") +elif sys.version_info[:2] > (3, 2): + exec_("""def raise_from(value, from_value): + raise value from from_value +""") +else: + def raise_from(value, from_value): + raise value + + +print_ = getattr(moves.builtins, "print", None) +if print_ is None: + def print_(*args, **kwargs): + """The new-style print function for Python 2.4 and 2.5.""" + fp = kwargs.pop("file", sys.stdout) + if fp is None: + return + + def write(data): + if not isinstance(data, basestring): + data = str(data) + # If the file has an encoding, encode unicode with it. + if (isinstance(fp, file) and + isinstance(data, unicode) and + fp.encoding is not None): + errors = getattr(fp, "errors", None) + if errors is None: + errors = "strict" + data = data.encode(fp.encoding, errors) + fp.write(data) + want_unicode = False + sep = kwargs.pop("sep", None) + if sep is not None: + if isinstance(sep, unicode): + want_unicode = True + elif not isinstance(sep, str): + raise TypeError("sep must be None or a string") + end = kwargs.pop("end", None) + if end is not None: + if isinstance(end, unicode): + want_unicode = True + elif not isinstance(end, str): + raise TypeError("end must be None or a string") + if kwargs: + raise TypeError("invalid keyword arguments to print()") + if not want_unicode: + for arg in args: + if isinstance(arg, unicode): + want_unicode = True + break + if want_unicode: + newline = unicode("\n") + space = unicode(" ") + else: + newline = "\n" + space = " " + if sep is None: + sep = space + if end is None: + end = newline + for i, arg in enumerate(args): + if i: + write(sep) + write(arg) + write(end) +if sys.version_info[:2] < (3, 3): + _print = print_ + + def print_(*args, **kwargs): + fp = kwargs.get("file", sys.stdout) + flush = kwargs.pop("flush", False) + _print(*args, **kwargs) + if flush and fp is not None: + fp.flush() + +_add_doc(reraise, """Reraise an exception.""") + +if sys.version_info[0:2] < (3, 4): + def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, + updated=functools.WRAPPER_UPDATES): + def wrapper(f): + f = functools.wraps(wrapped, assigned, updated)(f) + f.__wrapped__ = wrapped + return f + return wrapper +else: + wraps = functools.wraps + + +def with_metaclass(meta, *bases): + """Create a base class with a metaclass.""" + # This requires a bit of explanation: the basic idea is to make a dummy + # metaclass for one level of class instantiation that replaces itself with + # the actual metaclass. + class metaclass(meta): + + def __new__(cls, name, this_bases, d): + return meta(name, bases, d) + return type.__new__(metaclass, 'temporary_class', (), {}) + + +def add_metaclass(metaclass): + """Class decorator for creating a class with a metaclass.""" + def wrapper(cls): + orig_vars = cls.__dict__.copy() + slots = orig_vars.get('__slots__') + if slots is not None: + if isinstance(slots, str): + slots = [slots] + for slots_var in slots: + orig_vars.pop(slots_var) + orig_vars.pop('__dict__', None) + orig_vars.pop('__weakref__', None) + return metaclass(cls.__name__, cls.__bases__, orig_vars) + return wrapper + + +def python_2_unicode_compatible(klass): + """ + A decorator that defines __unicode__ and __str__ methods under Python 2. + Under Python 3 it does nothing. + + To support Python 2 and 3 with a single code base, define a __str__ method + returning text and apply this decorator to the class. + """ + if PY2: + if '__str__' not in klass.__dict__: + raise ValueError("@python_2_unicode_compatible cannot be applied " + "to %s because it doesn't define __str__()." % + klass.__name__) + klass.__unicode__ = klass.__str__ + klass.__str__ = lambda self: self.__unicode__().encode('utf-8') + return klass + + +# Complete the moves implementation. +# This code is at the end of this module to speed up module loading. +# Turn this module into a package. +__path__ = [] # required for PEP 302 and PEP 451 +__package__ = __name__ # see PEP 366 @ReservedAssignment +if globals().get("__spec__") is not None: + __spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable +# Remove other six meta path importers, since they cause problems. This can +# happen if six is removed from sys.modules and then reloaded. (Setuptools does +# this for some reason.) +if sys.meta_path: + for i, importer in enumerate(sys.meta_path): + # Here's some real nastiness: Another "instance" of the six module might + # be floating around. Therefore, we can't use isinstance() to check for + # the six meta path importer, since the other six instance will have + # inserted an importer with different class. + if (type(importer).__name__ == "_SixMetaPathImporter" and + importer.name == __name__): + del sys.meta_path[i] + break + del i, importer +# Finally, add the importer to the meta path import hook. +sys.meta_path.append(_importer) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/__init__.py new file mode 100644 index 0000000..d6594eb --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/__init__.py @@ -0,0 +1,19 @@ +import sys + +try: + # Our match_hostname function is the same as 3.5's, so we only want to + # import the match_hostname function if it's at least that good. + if sys.version_info < (3, 5): + raise ImportError("Fallback to vendored code") + + from ssl import CertificateError, match_hostname +except ImportError: + try: + # Backport of the function from a pypi module + from backports.ssl_match_hostname import CertificateError, match_hostname + except ImportError: + # Our vendored copy + from ._implementation import CertificateError, match_hostname + +# Not needed, but documenting what we provide. +__all__ = ('CertificateError', 'match_hostname') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/_implementation.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/_implementation.py new file mode 100644 index 0000000..970cf65 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/packages/ssl_match_hostname/_implementation.py @@ -0,0 +1,156 @@ +"""The match_hostname() function from Python 3.3.3, essential when using SSL.""" + +# Note: This file is under the PSF license as the code comes from the python +# stdlib. http://docs.python.org/3/license.html + +import re +import sys + +# ipaddress has been backported to 2.6+ in pypi. If it is installed on the +# system, use it to handle IPAddress ServerAltnames (this was added in +# python-3.5) otherwise only do DNS matching. This allows +# backports.ssl_match_hostname to continue to be used in Python 2.7. +try: + from pip._vendor import ipaddress +except ImportError: + ipaddress = None + +__version__ = '3.5.0.1' + + +class CertificateError(ValueError): + pass + + +def _dnsname_match(dn, hostname, max_wildcards=1): + """Matching according to RFC 6125, section 6.4.3 + + http://tools.ietf.org/html/rfc6125#section-6.4.3 + """ + pats = [] + if not dn: + return False + + # Ported from python3-syntax: + # leftmost, *remainder = dn.split(r'.') + parts = dn.split(r'.') + leftmost = parts[0] + remainder = parts[1:] + + wildcards = leftmost.count('*') + if wildcards > max_wildcards: + # Issue #17980: avoid denials of service by refusing more + # than one wildcard per fragment. A survey of established + # policy among SSL implementations showed it to be a + # reasonable choice. + raise CertificateError( + "too many wildcards in certificate DNS name: " + repr(dn)) + + # speed up common case w/o wildcards + if not wildcards: + return dn.lower() == hostname.lower() + + # RFC 6125, section 6.4.3, subitem 1. + # The client SHOULD NOT attempt to match a presented identifier in which + # the wildcard character comprises a label other than the left-most label. + if leftmost == '*': + # When '*' is a fragment by itself, it matches a non-empty dotless + # fragment. + pats.append('[^.]+') + elif leftmost.startswith('xn--') or hostname.startswith('xn--'): + # RFC 6125, section 6.4.3, subitem 3. + # The client SHOULD NOT attempt to match a presented identifier + # where the wildcard character is embedded within an A-label or + # U-label of an internationalized domain name. + pats.append(re.escape(leftmost)) + else: + # Otherwise, '*' matches any dotless string, e.g. www* + pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) + + # add the remaining fragments, ignore any wildcards + for frag in remainder: + pats.append(re.escape(frag)) + + pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) + return pat.match(hostname) + + +def _to_unicode(obj): + if isinstance(obj, str) and sys.version_info < (3,): + obj = unicode(obj, encoding='ascii', errors='strict') + return obj + +def _ipaddress_match(ipname, host_ip): + """Exact matching of IP addresses. + + RFC 6125 explicitly doesn't define an algorithm for this + (section 1.7.2 - "Out of Scope"). + """ + # OpenSSL may add a trailing newline to a subjectAltName's IP address + # Divergence from upstream: ipaddress can't handle byte str + ip = ipaddress.ip_address(_to_unicode(ipname).rstrip()) + return ip == host_ip + + +def match_hostname(cert, hostname): + """Verify that *cert* (in decoded format as returned by + SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 + rules are followed, but IP addresses are not accepted for *hostname*. + + CertificateError is raised on failure. On success, the function + returns nothing. + """ + if not cert: + raise ValueError("empty or no certificate, match_hostname needs a " + "SSL socket or SSL context with either " + "CERT_OPTIONAL or CERT_REQUIRED") + try: + # Divergence from upstream: ipaddress can't handle byte str + host_ip = ipaddress.ip_address(_to_unicode(hostname)) + except ValueError: + # Not an IP address (common case) + host_ip = None + except UnicodeError: + # Divergence from upstream: Have to deal with ipaddress not taking + # byte strings. addresses should be all ascii, so we consider it not + # an ipaddress in this case + host_ip = None + except AttributeError: + # Divergence from upstream: Make ipaddress library optional + if ipaddress is None: + host_ip = None + else: + raise + dnsnames = [] + san = cert.get('subjectAltName', ()) + for key, value in san: + if key == 'DNS': + if host_ip is None and _dnsname_match(value, hostname): + return + dnsnames.append(value) + elif key == 'IP Address': + if host_ip is not None and _ipaddress_match(value, host_ip): + return + dnsnames.append(value) + if not dnsnames: + # The subject is only checked when there is no dNSName entry + # in subjectAltName + for sub in cert.get('subject', ()): + for key, value in sub: + # XXX according to RFC 2818, the most specific Common Name + # must be used. + if key == 'commonName': + if _dnsname_match(value, hostname): + return + dnsnames.append(value) + if len(dnsnames) > 1: + raise CertificateError("hostname %r " + "doesn't match either of %s" + % (hostname, ', '.join(map(repr, dnsnames)))) + elif len(dnsnames) == 1: + raise CertificateError("hostname %r " + "doesn't match %r" + % (hostname, dnsnames[0])) + else: + raise CertificateError("no appropriate commonName or " + "subjectAltName fields were found") diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/poolmanager.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/poolmanager.py new file mode 100644 index 0000000..fe5491c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/poolmanager.py @@ -0,0 +1,450 @@ +from __future__ import absolute_import +import collections +import functools +import logging + +from ._collections import RecentlyUsedContainer +from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool +from .connectionpool import port_by_scheme +from .exceptions import LocationValueError, MaxRetryError, ProxySchemeUnknown +from .packages.six.moves.urllib.parse import urljoin +from .request import RequestMethods +from .util.url import parse_url +from .util.retry import Retry + + +__all__ = ['PoolManager', 'ProxyManager', 'proxy_from_url'] + + +log = logging.getLogger(__name__) + +SSL_KEYWORDS = ('key_file', 'cert_file', 'cert_reqs', 'ca_certs', + 'ssl_version', 'ca_cert_dir', 'ssl_context') + +# All known keyword arguments that could be provided to the pool manager, its +# pools, or the underlying connections. This is used to construct a pool key. +_key_fields = ( + 'key_scheme', # str + 'key_host', # str + 'key_port', # int + 'key_timeout', # int or float or Timeout + 'key_retries', # int or Retry + 'key_strict', # bool + 'key_block', # bool + 'key_source_address', # str + 'key_key_file', # str + 'key_cert_file', # str + 'key_cert_reqs', # str + 'key_ca_certs', # str + 'key_ssl_version', # str + 'key_ca_cert_dir', # str + 'key_ssl_context', # instance of ssl.SSLContext or urllib3.util.ssl_.SSLContext + 'key_maxsize', # int + 'key_headers', # dict + 'key__proxy', # parsed proxy url + 'key__proxy_headers', # dict + 'key_socket_options', # list of (level (int), optname (int), value (int or str)) tuples + 'key__socks_options', # dict + 'key_assert_hostname', # bool or string + 'key_assert_fingerprint', # str + 'key_server_hostname', #str +) + +#: The namedtuple class used to construct keys for the connection pool. +#: All custom key schemes should include the fields in this key at a minimum. +PoolKey = collections.namedtuple('PoolKey', _key_fields) + + +def _default_key_normalizer(key_class, request_context): + """ + Create a pool key out of a request context dictionary. + + According to RFC 3986, both the scheme and host are case-insensitive. + Therefore, this function normalizes both before constructing the pool + key for an HTTPS request. If you wish to change this behaviour, provide + alternate callables to ``key_fn_by_scheme``. + + :param key_class: + The class to use when constructing the key. This should be a namedtuple + with the ``scheme`` and ``host`` keys at a minimum. + :type key_class: namedtuple + :param request_context: + A dictionary-like object that contain the context for a request. + :type request_context: dict + + :return: A namedtuple that can be used as a connection pool key. + :rtype: PoolKey + """ + # Since we mutate the dictionary, make a copy first + context = request_context.copy() + context['scheme'] = context['scheme'].lower() + context['host'] = context['host'].lower() + + # These are both dictionaries and need to be transformed into frozensets + for key in ('headers', '_proxy_headers', '_socks_options'): + if key in context and context[key] is not None: + context[key] = frozenset(context[key].items()) + + # The socket_options key may be a list and needs to be transformed into a + # tuple. + socket_opts = context.get('socket_options') + if socket_opts is not None: + context['socket_options'] = tuple(socket_opts) + + # Map the kwargs to the names in the namedtuple - this is necessary since + # namedtuples can't have fields starting with '_'. + for key in list(context.keys()): + context['key_' + key] = context.pop(key) + + # Default to ``None`` for keys missing from the context + for field in key_class._fields: + if field not in context: + context[field] = None + + return key_class(**context) + + +#: A dictionary that maps a scheme to a callable that creates a pool key. +#: This can be used to alter the way pool keys are constructed, if desired. +#: Each PoolManager makes a copy of this dictionary so they can be configured +#: globally here, or individually on the instance. +key_fn_by_scheme = { + 'http': functools.partial(_default_key_normalizer, PoolKey), + 'https': functools.partial(_default_key_normalizer, PoolKey), +} + +pool_classes_by_scheme = { + 'http': HTTPConnectionPool, + 'https': HTTPSConnectionPool, +} + + +class PoolManager(RequestMethods): + """ + Allows for arbitrary requests while transparently keeping track of + necessary connection pools for you. + + :param num_pools: + Number of connection pools to cache before discarding the least + recently used pool. + + :param headers: + Headers to include with all requests, unless other headers are given + explicitly. + + :param \\**connection_pool_kw: + Additional parameters are used to create fresh + :class:`urllib3.connectionpool.ConnectionPool` instances. + + Example:: + + >>> manager = PoolManager(num_pools=2) + >>> r = manager.request('GET', 'http://google.com/') + >>> r = manager.request('GET', 'http://google.com/mail') + >>> r = manager.request('GET', 'http://yahoo.com/') + >>> len(manager.pools) + 2 + + """ + + proxy = None + + def __init__(self, num_pools=10, headers=None, **connection_pool_kw): + RequestMethods.__init__(self, headers) + self.connection_pool_kw = connection_pool_kw + self.pools = RecentlyUsedContainer(num_pools, + dispose_func=lambda p: p.close()) + + # Locally set the pool classes and keys so other PoolManagers can + # override them. + self.pool_classes_by_scheme = pool_classes_by_scheme + self.key_fn_by_scheme = key_fn_by_scheme.copy() + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + self.clear() + # Return False to re-raise any potential exceptions + return False + + def _new_pool(self, scheme, host, port, request_context=None): + """ + Create a new :class:`ConnectionPool` based on host, port, scheme, and + any additional pool keyword arguments. + + If ``request_context`` is provided, it is provided as keyword arguments + to the pool class used. This method is used to actually create the + connection pools handed out by :meth:`connection_from_url` and + companion methods. It is intended to be overridden for customization. + """ + pool_cls = self.pool_classes_by_scheme[scheme] + if request_context is None: + request_context = self.connection_pool_kw.copy() + + # Although the context has everything necessary to create the pool, + # this function has historically only used the scheme, host, and port + # in the positional args. When an API change is acceptable these can + # be removed. + for key in ('scheme', 'host', 'port'): + request_context.pop(key, None) + + if scheme == 'http': + for kw in SSL_KEYWORDS: + request_context.pop(kw, None) + + return pool_cls(host, port, **request_context) + + def clear(self): + """ + Empty our store of pools and direct them all to close. + + This will not affect in-flight connections, but they will not be + re-used after completion. + """ + self.pools.clear() + + def connection_from_host(self, host, port=None, scheme='http', pool_kwargs=None): + """ + Get a :class:`ConnectionPool` based on the host, port, and scheme. + + If ``port`` isn't given, it will be derived from the ``scheme`` using + ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is + provided, it is merged with the instance's ``connection_pool_kw`` + variable and used to create the new connection pool, if one is + needed. + """ + + if not host: + raise LocationValueError("No host specified.") + + request_context = self._merge_pool_kwargs(pool_kwargs) + request_context['scheme'] = scheme or 'http' + if not port: + port = port_by_scheme.get(request_context['scheme'].lower(), 80) + request_context['port'] = port + request_context['host'] = host + + return self.connection_from_context(request_context) + + def connection_from_context(self, request_context): + """ + Get a :class:`ConnectionPool` based on the request context. + + ``request_context`` must at least contain the ``scheme`` key and its + value must be a key in ``key_fn_by_scheme`` instance variable. + """ + scheme = request_context['scheme'].lower() + pool_key_constructor = self.key_fn_by_scheme[scheme] + pool_key = pool_key_constructor(request_context) + + return self.connection_from_pool_key(pool_key, request_context=request_context) + + def connection_from_pool_key(self, pool_key, request_context=None): + """ + Get a :class:`ConnectionPool` based on the provided pool key. + + ``pool_key`` should be a namedtuple that only contains immutable + objects. At a minimum it must have the ``scheme``, ``host``, and + ``port`` fields. + """ + with self.pools.lock: + # If the scheme, host, or port doesn't match existing open + # connections, open a new ConnectionPool. + pool = self.pools.get(pool_key) + if pool: + return pool + + # Make a fresh ConnectionPool of the desired type + scheme = request_context['scheme'] + host = request_context['host'] + port = request_context['port'] + pool = self._new_pool(scheme, host, port, request_context=request_context) + self.pools[pool_key] = pool + + return pool + + def connection_from_url(self, url, pool_kwargs=None): + """ + Similar to :func:`urllib3.connectionpool.connection_from_url`. + + If ``pool_kwargs`` is not provided and a new pool needs to be + constructed, ``self.connection_pool_kw`` is used to initialize + the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs`` + is provided, it is used instead. Note that if a new pool does not + need to be created for the request, the provided ``pool_kwargs`` are + not used. + """ + u = parse_url(url) + return self.connection_from_host(u.host, port=u.port, scheme=u.scheme, + pool_kwargs=pool_kwargs) + + def _merge_pool_kwargs(self, override): + """ + Merge a dictionary of override values for self.connection_pool_kw. + + This does not modify self.connection_pool_kw and returns a new dict. + Any keys in the override dictionary with a value of ``None`` are + removed from the merged dictionary. + """ + base_pool_kwargs = self.connection_pool_kw.copy() + if override: + for key, value in override.items(): + if value is None: + try: + del base_pool_kwargs[key] + except KeyError: + pass + else: + base_pool_kwargs[key] = value + return base_pool_kwargs + + def urlopen(self, method, url, redirect=True, **kw): + """ + Same as :meth:`urllib3.connectionpool.HTTPConnectionPool.urlopen` + with custom cross-host redirect logic and only sends the request-uri + portion of the ``url``. + + The given ``url`` parameter must be absolute, such that an appropriate + :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it. + """ + u = parse_url(url) + conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme) + + kw['assert_same_host'] = False + kw['redirect'] = False + + if 'headers' not in kw: + kw['headers'] = self.headers.copy() + + if self.proxy is not None and u.scheme == "http": + response = conn.urlopen(method, url, **kw) + else: + response = conn.urlopen(method, u.request_uri, **kw) + + redirect_location = redirect and response.get_redirect_location() + if not redirect_location: + return response + + # Support relative URLs for redirecting. + redirect_location = urljoin(url, redirect_location) + + # RFC 7231, Section 6.4.4 + if response.status == 303: + method = 'GET' + + retries = kw.get('retries') + if not isinstance(retries, Retry): + retries = Retry.from_int(retries, redirect=redirect) + + # Strip headers marked as unsafe to forward to the redirected location. + # Check remove_headers_on_redirect to avoid a potential network call within + # conn.is_same_host() which may use socket.gethostbyname() in the future. + if (retries.remove_headers_on_redirect + and not conn.is_same_host(redirect_location)): + for header in retries.remove_headers_on_redirect: + kw['headers'].pop(header, None) + + try: + retries = retries.increment(method, url, response=response, _pool=conn) + except MaxRetryError: + if retries.raise_on_redirect: + raise + return response + + kw['retries'] = retries + kw['redirect'] = redirect + + log.info("Redirecting %s -> %s", url, redirect_location) + return self.urlopen(method, redirect_location, **kw) + + +class ProxyManager(PoolManager): + """ + Behaves just like :class:`PoolManager`, but sends all requests through + the defined proxy, using the CONNECT method for HTTPS URLs. + + :param proxy_url: + The URL of the proxy to be used. + + :param proxy_headers: + A dictionary containing headers that will be sent to the proxy. In case + of HTTP they are being sent with each request, while in the + HTTPS/CONNECT case they are sent only once. Could be used for proxy + authentication. + + Example: + >>> proxy = urllib3.ProxyManager('http://localhost:3128/') + >>> r1 = proxy.request('GET', 'http://google.com/') + >>> r2 = proxy.request('GET', 'http://httpbin.org/') + >>> len(proxy.pools) + 1 + >>> r3 = proxy.request('GET', 'https://httpbin.org/') + >>> r4 = proxy.request('GET', 'https://twitter.com/') + >>> len(proxy.pools) + 3 + + """ + + def __init__(self, proxy_url, num_pools=10, headers=None, + proxy_headers=None, **connection_pool_kw): + + if isinstance(proxy_url, HTTPConnectionPool): + proxy_url = '%s://%s:%i' % (proxy_url.scheme, proxy_url.host, + proxy_url.port) + proxy = parse_url(proxy_url) + if not proxy.port: + port = port_by_scheme.get(proxy.scheme, 80) + proxy = proxy._replace(port=port) + + if proxy.scheme not in ("http", "https"): + raise ProxySchemeUnknown(proxy.scheme) + + self.proxy = proxy + self.proxy_headers = proxy_headers or {} + + connection_pool_kw['_proxy'] = self.proxy + connection_pool_kw['_proxy_headers'] = self.proxy_headers + + super(ProxyManager, self).__init__( + num_pools, headers, **connection_pool_kw) + + def connection_from_host(self, host, port=None, scheme='http', pool_kwargs=None): + if scheme == "https": + return super(ProxyManager, self).connection_from_host( + host, port, scheme, pool_kwargs=pool_kwargs) + + return super(ProxyManager, self).connection_from_host( + self.proxy.host, self.proxy.port, self.proxy.scheme, pool_kwargs=pool_kwargs) + + def _set_proxy_headers(self, url, headers=None): + """ + Sets headers needed by proxies: specifically, the Accept and Host + headers. Only sets headers not provided by the user. + """ + headers_ = {'Accept': '*/*'} + + netloc = parse_url(url).netloc + if netloc: + headers_['Host'] = netloc + + if headers: + headers_.update(headers) + return headers_ + + def urlopen(self, method, url, redirect=True, **kw): + "Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute." + u = parse_url(url) + + if u.scheme == "http": + # For proxied HTTPS requests, httplib sets the necessary headers + # on the CONNECT to the proxy. For HTTP, we'll definitely + # need to set 'Host' at the very least. + headers = kw.get('headers', self.headers) + kw['headers'] = self._set_proxy_headers(url, headers) + + return super(ProxyManager, self).urlopen(method, url, redirect=redirect, **kw) + + +def proxy_from_url(url, **kw): + return ProxyManager(proxy_url=url, **kw) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/request.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/request.py new file mode 100644 index 0000000..8f2f44b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/request.py @@ -0,0 +1,150 @@ +from __future__ import absolute_import + +from .filepost import encode_multipart_formdata +from .packages.six.moves.urllib.parse import urlencode + + +__all__ = ['RequestMethods'] + + +class RequestMethods(object): + """ + Convenience mixin for classes who implement a :meth:`urlopen` method, such + as :class:`~urllib3.connectionpool.HTTPConnectionPool` and + :class:`~urllib3.poolmanager.PoolManager`. + + Provides behavior for making common types of HTTP request methods and + decides which type of request field encoding to use. + + Specifically, + + :meth:`.request_encode_url` is for sending requests whose fields are + encoded in the URL (such as GET, HEAD, DELETE). + + :meth:`.request_encode_body` is for sending requests whose fields are + encoded in the *body* of the request using multipart or www-form-urlencoded + (such as for POST, PUT, PATCH). + + :meth:`.request` is for making any kind of request, it will look up the + appropriate encoding format and use one of the above two methods to make + the request. + + Initializer parameters: + + :param headers: + Headers to include with all requests, unless other headers are given + explicitly. + """ + + _encode_url_methods = {'DELETE', 'GET', 'HEAD', 'OPTIONS'} + + def __init__(self, headers=None): + self.headers = headers or {} + + def urlopen(self, method, url, body=None, headers=None, + encode_multipart=True, multipart_boundary=None, + **kw): # Abstract + raise NotImplementedError("Classes extending RequestMethods must implement " + "their own ``urlopen`` method.") + + def request(self, method, url, fields=None, headers=None, **urlopen_kw): + """ + Make a request using :meth:`urlopen` with the appropriate encoding of + ``fields`` based on the ``method`` used. + + This is a convenience method that requires the least amount of manual + effort. It can be used in most situations, while still having the + option to drop down to more specific methods when necessary, such as + :meth:`request_encode_url`, :meth:`request_encode_body`, + or even the lowest level :meth:`urlopen`. + """ + method = method.upper() + + urlopen_kw['request_url'] = url + + if method in self._encode_url_methods: + return self.request_encode_url(method, url, fields=fields, + headers=headers, + **urlopen_kw) + else: + return self.request_encode_body(method, url, fields=fields, + headers=headers, + **urlopen_kw) + + def request_encode_url(self, method, url, fields=None, headers=None, + **urlopen_kw): + """ + Make a request using :meth:`urlopen` with the ``fields`` encoded in + the url. This is useful for request methods like GET, HEAD, DELETE, etc. + """ + if headers is None: + headers = self.headers + + extra_kw = {'headers': headers} + extra_kw.update(urlopen_kw) + + if fields: + url += '?' + urlencode(fields) + + return self.urlopen(method, url, **extra_kw) + + def request_encode_body(self, method, url, fields=None, headers=None, + encode_multipart=True, multipart_boundary=None, + **urlopen_kw): + """ + Make a request using :meth:`urlopen` with the ``fields`` encoded in + the body. This is useful for request methods like POST, PUT, PATCH, etc. + + When ``encode_multipart=True`` (default), then + :meth:`urllib3.filepost.encode_multipart_formdata` is used to encode + the payload with the appropriate content type. Otherwise + :meth:`urllib.urlencode` is used with the + 'application/x-www-form-urlencoded' content type. + + Multipart encoding must be used when posting files, and it's reasonably + safe to use it in other times too. However, it may break request + signing, such as with OAuth. + + Supports an optional ``fields`` parameter of key/value strings AND + key/filetuple. A filetuple is a (filename, data, MIME type) tuple where + the MIME type is optional. For example:: + + fields = { + 'foo': 'bar', + 'fakefile': ('foofile.txt', 'contents of foofile'), + 'realfile': ('barfile.txt', open('realfile').read()), + 'typedfile': ('bazfile.bin', open('bazfile').read(), + 'image/jpeg'), + 'nonamefile': 'contents of nonamefile field', + } + + When uploading a file, providing a filename (the first parameter of the + tuple) is optional but recommended to best mimic behavior of browsers. + + Note that if ``headers`` are supplied, the 'Content-Type' header will + be overwritten because it depends on the dynamic random boundary string + which is used to compose the body of the request. The random boundary + string can be explicitly set with the ``multipart_boundary`` parameter. + """ + if headers is None: + headers = self.headers + + extra_kw = {'headers': {}} + + if fields: + if 'body' in urlopen_kw: + raise TypeError( + "request got values for both 'fields' and 'body', can only specify one.") + + if encode_multipart: + body, content_type = encode_multipart_formdata(fields, boundary=multipart_boundary) + else: + body, content_type = urlencode(fields), 'application/x-www-form-urlencoded' + + extra_kw['body'] = body + extra_kw['headers'] = {'Content-Type': content_type} + + extra_kw['headers'].update(headers) + extra_kw.update(urlopen_kw) + + return self.urlopen(method, url, **extra_kw) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/response.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/response.py new file mode 100644 index 0000000..c112690 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/response.py @@ -0,0 +1,705 @@ +from __future__ import absolute_import +from contextlib import contextmanager +import zlib +import io +import logging +from socket import timeout as SocketTimeout +from socket import error as SocketError + +from ._collections import HTTPHeaderDict +from .exceptions import ( + BodyNotHttplibCompatible, ProtocolError, DecodeError, ReadTimeoutError, + ResponseNotChunked, IncompleteRead, InvalidHeader +) +from .packages.six import string_types as basestring, PY3 +from .packages.six.moves import http_client as httplib +from .connection import HTTPException, BaseSSLError +from .util.response import is_fp_closed, is_response_to_head + +log = logging.getLogger(__name__) + + +class DeflateDecoder(object): + + def __init__(self): + self._first_try = True + self._data = b'' + self._obj = zlib.decompressobj() + + def __getattr__(self, name): + return getattr(self._obj, name) + + def decompress(self, data): + if not data: + return data + + if not self._first_try: + return self._obj.decompress(data) + + self._data += data + try: + decompressed = self._obj.decompress(data) + if decompressed: + self._first_try = False + self._data = None + return decompressed + except zlib.error: + self._first_try = False + self._obj = zlib.decompressobj(-zlib.MAX_WBITS) + try: + return self.decompress(self._data) + finally: + self._data = None + + +class GzipDecoderState(object): + + FIRST_MEMBER = 0 + OTHER_MEMBERS = 1 + SWALLOW_DATA = 2 + + +class GzipDecoder(object): + + def __init__(self): + self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS) + self._state = GzipDecoderState.FIRST_MEMBER + + def __getattr__(self, name): + return getattr(self._obj, name) + + def decompress(self, data): + ret = bytearray() + if self._state == GzipDecoderState.SWALLOW_DATA or not data: + return bytes(ret) + while True: + try: + ret += self._obj.decompress(data) + except zlib.error: + previous_state = self._state + # Ignore data after the first error + self._state = GzipDecoderState.SWALLOW_DATA + if previous_state == GzipDecoderState.OTHER_MEMBERS: + # Allow trailing garbage acceptable in other gzip clients + return bytes(ret) + raise + data = self._obj.unused_data + if not data: + return bytes(ret) + self._state = GzipDecoderState.OTHER_MEMBERS + self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS) + + +class MultiDecoder(object): + """ + From RFC7231: + If one or more encodings have been applied to a representation, the + sender that applied the encodings MUST generate a Content-Encoding + header field that lists the content codings in the order in which + they were applied. + """ + + def __init__(self, modes): + self._decoders = [_get_decoder(m.strip()) for m in modes.split(',')] + + def flush(self): + return self._decoders[0].flush() + + def decompress(self, data): + for d in reversed(self._decoders): + data = d.decompress(data) + return data + + +def _get_decoder(mode): + if ',' in mode: + return MultiDecoder(mode) + + if mode == 'gzip': + return GzipDecoder() + + return DeflateDecoder() + + +class HTTPResponse(io.IOBase): + """ + HTTP Response container. + + Backwards-compatible to httplib's HTTPResponse but the response ``body`` is + loaded and decoded on-demand when the ``data`` property is accessed. This + class is also compatible with the Python standard library's :mod:`io` + module, and can hence be treated as a readable object in the context of that + framework. + + Extra parameters for behaviour not present in httplib.HTTPResponse: + + :param preload_content: + If True, the response's body will be preloaded during construction. + + :param decode_content: + If True, will attempt to decode the body based on the + 'content-encoding' header. + + :param original_response: + When this HTTPResponse wrapper is generated from an httplib.HTTPResponse + object, it's convenient to include the original for debug purposes. It's + otherwise unused. + + :param retries: + The retries contains the last :class:`~urllib3.util.retry.Retry` that + was used during the request. + + :param enforce_content_length: + Enforce content length checking. Body returned by server must match + value of Content-Length header, if present. Otherwise, raise error. + """ + + CONTENT_DECODERS = ['gzip', 'deflate'] + REDIRECT_STATUSES = [301, 302, 303, 307, 308] + + def __init__(self, body='', headers=None, status=0, version=0, reason=None, + strict=0, preload_content=True, decode_content=True, + original_response=None, pool=None, connection=None, msg=None, + retries=None, enforce_content_length=False, + request_method=None, request_url=None): + + if isinstance(headers, HTTPHeaderDict): + self.headers = headers + else: + self.headers = HTTPHeaderDict(headers) + self.status = status + self.version = version + self.reason = reason + self.strict = strict + self.decode_content = decode_content + self.retries = retries + self.enforce_content_length = enforce_content_length + + self._decoder = None + self._body = None + self._fp = None + self._original_response = original_response + self._fp_bytes_read = 0 + self.msg = msg + self._request_url = request_url + + if body and isinstance(body, (basestring, bytes)): + self._body = body + + self._pool = pool + self._connection = connection + + if hasattr(body, 'read'): + self._fp = body + + # Are we using the chunked-style of transfer encoding? + self.chunked = False + self.chunk_left = None + tr_enc = self.headers.get('transfer-encoding', '').lower() + # Don't incur the penalty of creating a list and then discarding it + encodings = (enc.strip() for enc in tr_enc.split(",")) + if "chunked" in encodings: + self.chunked = True + + # Determine length of response + self.length_remaining = self._init_length(request_method) + + # If requested, preload the body. + if preload_content and not self._body: + self._body = self.read(decode_content=decode_content) + + def get_redirect_location(self): + """ + Should we redirect and where to? + + :returns: Truthy redirect location string if we got a redirect status + code and valid location. ``None`` if redirect status and no + location. ``False`` if not a redirect status code. + """ + if self.status in self.REDIRECT_STATUSES: + return self.headers.get('location') + + return False + + def release_conn(self): + if not self._pool or not self._connection: + return + + self._pool._put_conn(self._connection) + self._connection = None + + @property + def data(self): + # For backwords-compat with earlier urllib3 0.4 and earlier. + if self._body: + return self._body + + if self._fp: + return self.read(cache_content=True) + + @property + def connection(self): + return self._connection + + def isclosed(self): + return is_fp_closed(self._fp) + + def tell(self): + """ + Obtain the number of bytes pulled over the wire so far. May differ from + the amount of content returned by :meth:``HTTPResponse.read`` if bytes + are encoded on the wire (e.g, compressed). + """ + return self._fp_bytes_read + + def _init_length(self, request_method): + """ + Set initial length value for Response content if available. + """ + length = self.headers.get('content-length') + + if length is not None: + if self.chunked: + # This Response will fail with an IncompleteRead if it can't be + # received as chunked. This method falls back to attempt reading + # the response before raising an exception. + log.warning("Received response with both Content-Length and " + "Transfer-Encoding set. This is expressly forbidden " + "by RFC 7230 sec 3.3.2. Ignoring Content-Length and " + "attempting to process response as Transfer-Encoding: " + "chunked.") + return None + + try: + # RFC 7230 section 3.3.2 specifies multiple content lengths can + # be sent in a single Content-Length header + # (e.g. Content-Length: 42, 42). This line ensures the values + # are all valid ints and that as long as the `set` length is 1, + # all values are the same. Otherwise, the header is invalid. + lengths = set([int(val) for val in length.split(',')]) + if len(lengths) > 1: + raise InvalidHeader("Content-Length contained multiple " + "unmatching values (%s)" % length) + length = lengths.pop() + except ValueError: + length = None + else: + if length < 0: + length = None + + # Convert status to int for comparison + # In some cases, httplib returns a status of "_UNKNOWN" + try: + status = int(self.status) + except ValueError: + status = 0 + + # Check for responses that shouldn't include a body + if status in (204, 304) or 100 <= status < 200 or request_method == 'HEAD': + length = 0 + + return length + + def _init_decoder(self): + """ + Set-up the _decoder attribute if necessary. + """ + # Note: content-encoding value should be case-insensitive, per RFC 7230 + # Section 3.2 + content_encoding = self.headers.get('content-encoding', '').lower() + if self._decoder is None: + if content_encoding in self.CONTENT_DECODERS: + self._decoder = _get_decoder(content_encoding) + elif ',' in content_encoding: + encodings = [e.strip() for e in content_encoding.split(',') if e.strip() in self.CONTENT_DECODERS] + if len(encodings): + self._decoder = _get_decoder(content_encoding) + + def _decode(self, data, decode_content, flush_decoder): + """ + Decode the data passed in and potentially flush the decoder. + """ + try: + if decode_content and self._decoder: + data = self._decoder.decompress(data) + except (IOError, zlib.error) as e: + content_encoding = self.headers.get('content-encoding', '').lower() + raise DecodeError( + "Received response with content-encoding: %s, but " + "failed to decode it." % content_encoding, e) + + if flush_decoder and decode_content: + data += self._flush_decoder() + + return data + + def _flush_decoder(self): + """ + Flushes the decoder. Should only be called if the decoder is actually + being used. + """ + if self._decoder: + buf = self._decoder.decompress(b'') + return buf + self._decoder.flush() + + return b'' + + @contextmanager + def _error_catcher(self): + """ + Catch low-level python exceptions, instead re-raising urllib3 + variants, so that low-level exceptions are not leaked in the + high-level api. + + On exit, release the connection back to the pool. + """ + clean_exit = False + + try: + try: + yield + + except SocketTimeout: + # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but + # there is yet no clean way to get at it from this context. + raise ReadTimeoutError(self._pool, None, 'Read timed out.') + + except BaseSSLError as e: + # FIXME: Is there a better way to differentiate between SSLErrors? + if 'read operation timed out' not in str(e): # Defensive: + # This shouldn't happen but just in case we're missing an edge + # case, let's avoid swallowing SSL errors. + raise + + raise ReadTimeoutError(self._pool, None, 'Read timed out.') + + except (HTTPException, SocketError) as e: + # This includes IncompleteRead. + raise ProtocolError('Connection broken: %r' % e, e) + + # If no exception is thrown, we should avoid cleaning up + # unnecessarily. + clean_exit = True + finally: + # If we didn't terminate cleanly, we need to throw away our + # connection. + if not clean_exit: + # The response may not be closed but we're not going to use it + # anymore so close it now to ensure that the connection is + # released back to the pool. + if self._original_response: + self._original_response.close() + + # Closing the response may not actually be sufficient to close + # everything, so if we have a hold of the connection close that + # too. + if self._connection: + self._connection.close() + + # If we hold the original response but it's closed now, we should + # return the connection back to the pool. + if self._original_response and self._original_response.isclosed(): + self.release_conn() + + def read(self, amt=None, decode_content=None, cache_content=False): + """ + Similar to :meth:`httplib.HTTPResponse.read`, but with two additional + parameters: ``decode_content`` and ``cache_content``. + + :param amt: + How much of the content to read. If specified, caching is skipped + because it doesn't make sense to cache partial content as the full + response. + + :param decode_content: + If True, will attempt to decode the body based on the + 'content-encoding' header. + + :param cache_content: + If True, will save the returned data such that the same result is + returned despite of the state of the underlying file object. This + is useful if you want the ``.data`` property to continue working + after having ``.read()`` the file object. (Overridden if ``amt`` is + set.) + """ + self._init_decoder() + if decode_content is None: + decode_content = self.decode_content + + if self._fp is None: + return + + flush_decoder = False + data = None + + with self._error_catcher(): + if amt is None: + # cStringIO doesn't like amt=None + data = self._fp.read() + flush_decoder = True + else: + cache_content = False + data = self._fp.read(amt) + if amt != 0 and not data: # Platform-specific: Buggy versions of Python. + # Close the connection when no data is returned + # + # This is redundant to what httplib/http.client _should_ + # already do. However, versions of python released before + # December 15, 2012 (http://bugs.python.org/issue16298) do + # not properly close the connection in all cases. There is + # no harm in redundantly calling close. + self._fp.close() + flush_decoder = True + if self.enforce_content_length and self.length_remaining not in (0, None): + # This is an edge case that httplib failed to cover due + # to concerns of backward compatibility. We're + # addressing it here to make sure IncompleteRead is + # raised during streaming, so all calls with incorrect + # Content-Length are caught. + raise IncompleteRead(self._fp_bytes_read, self.length_remaining) + + if data: + self._fp_bytes_read += len(data) + if self.length_remaining is not None: + self.length_remaining -= len(data) + + data = self._decode(data, decode_content, flush_decoder) + + if cache_content: + self._body = data + + return data + + def stream(self, amt=2**16, decode_content=None): + """ + A generator wrapper for the read() method. A call will block until + ``amt`` bytes have been read from the connection or until the + connection is closed. + + :param amt: + How much of the content to read. The generator will return up to + much data per iteration, but may return less. This is particularly + likely when using compressed data. However, the empty string will + never be returned. + + :param decode_content: + If True, will attempt to decode the body based on the + 'content-encoding' header. + """ + if self.chunked and self.supports_chunked_reads(): + for line in self.read_chunked(amt, decode_content=decode_content): + yield line + else: + while not is_fp_closed(self._fp): + data = self.read(amt=amt, decode_content=decode_content) + + if data: + yield data + + @classmethod + def from_httplib(ResponseCls, r, **response_kw): + """ + Given an :class:`httplib.HTTPResponse` instance ``r``, return a + corresponding :class:`urllib3.response.HTTPResponse` object. + + Remaining parameters are passed to the HTTPResponse constructor, along + with ``original_response=r``. + """ + headers = r.msg + + if not isinstance(headers, HTTPHeaderDict): + if PY3: # Python 3 + headers = HTTPHeaderDict(headers.items()) + else: # Python 2 + headers = HTTPHeaderDict.from_httplib(headers) + + # HTTPResponse objects in Python 3 don't have a .strict attribute + strict = getattr(r, 'strict', 0) + resp = ResponseCls(body=r, + headers=headers, + status=r.status, + version=r.version, + reason=r.reason, + strict=strict, + original_response=r, + **response_kw) + return resp + + # Backwards-compatibility methods for httplib.HTTPResponse + def getheaders(self): + return self.headers + + def getheader(self, name, default=None): + return self.headers.get(name, default) + + # Backwards compatibility for http.cookiejar + def info(self): + return self.headers + + # Overrides from io.IOBase + def close(self): + if not self.closed: + self._fp.close() + + if self._connection: + self._connection.close() + + @property + def closed(self): + if self._fp is None: + return True + elif hasattr(self._fp, 'isclosed'): + return self._fp.isclosed() + elif hasattr(self._fp, 'closed'): + return self._fp.closed + else: + return True + + def fileno(self): + if self._fp is None: + raise IOError("HTTPResponse has no file to get a fileno from") + elif hasattr(self._fp, "fileno"): + return self._fp.fileno() + else: + raise IOError("The file-like object this HTTPResponse is wrapped " + "around has no file descriptor") + + def flush(self): + if self._fp is not None and hasattr(self._fp, 'flush'): + return self._fp.flush() + + def readable(self): + # This method is required for `io` module compatibility. + return True + + def readinto(self, b): + # This method is required for `io` module compatibility. + temp = self.read(len(b)) + if len(temp) == 0: + return 0 + else: + b[:len(temp)] = temp + return len(temp) + + def supports_chunked_reads(self): + """ + Checks if the underlying file-like object looks like a + httplib.HTTPResponse object. We do this by testing for the fp + attribute. If it is present we assume it returns raw chunks as + processed by read_chunked(). + """ + return hasattr(self._fp, 'fp') + + def _update_chunk_length(self): + # First, we'll figure out length of a chunk and then + # we'll try to read it from socket. + if self.chunk_left is not None: + return + line = self._fp.fp.readline() + line = line.split(b';', 1)[0] + try: + self.chunk_left = int(line, 16) + except ValueError: + # Invalid chunked protocol response, abort. + self.close() + raise httplib.IncompleteRead(line) + + def _handle_chunk(self, amt): + returned_chunk = None + if amt is None: + chunk = self._fp._safe_read(self.chunk_left) + returned_chunk = chunk + self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. + self.chunk_left = None + elif amt < self.chunk_left: + value = self._fp._safe_read(amt) + self.chunk_left = self.chunk_left - amt + returned_chunk = value + elif amt == self.chunk_left: + value = self._fp._safe_read(amt) + self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. + self.chunk_left = None + returned_chunk = value + else: # amt > self.chunk_left + returned_chunk = self._fp._safe_read(self.chunk_left) + self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. + self.chunk_left = None + return returned_chunk + + def read_chunked(self, amt=None, decode_content=None): + """ + Similar to :meth:`HTTPResponse.read`, but with an additional + parameter: ``decode_content``. + + :param amt: + How much of the content to read. If specified, caching is skipped + because it doesn't make sense to cache partial content as the full + response. + + :param decode_content: + If True, will attempt to decode the body based on the + 'content-encoding' header. + """ + self._init_decoder() + # FIXME: Rewrite this method and make it a class with a better structured logic. + if not self.chunked: + raise ResponseNotChunked( + "Response is not chunked. " + "Header 'transfer-encoding: chunked' is missing.") + if not self.supports_chunked_reads(): + raise BodyNotHttplibCompatible( + "Body should be httplib.HTTPResponse like. " + "It should have have an fp attribute which returns raw chunks.") + + with self._error_catcher(): + # Don't bother reading the body of a HEAD request. + if self._original_response and is_response_to_head(self._original_response): + self._original_response.close() + return + + # If a response is already read and closed + # then return immediately. + if self._fp.fp is None: + return + + while True: + self._update_chunk_length() + if self.chunk_left == 0: + break + chunk = self._handle_chunk(amt) + decoded = self._decode(chunk, decode_content=decode_content, + flush_decoder=False) + if decoded: + yield decoded + + if decode_content: + # On CPython and PyPy, we should never need to flush the + # decoder. However, on Jython we *might* need to, so + # lets defensively do it anyway. + decoded = self._flush_decoder() + if decoded: # Platform-specific: Jython. + yield decoded + + # Chunk content ends with \r\n: discard it. + while True: + line = self._fp.fp.readline() + if not line: + # Some sites may not end with '\r\n'. + break + if line == b'\r\n': + break + + # We read everything; close the "file". + if self._original_response: + self._original_response.close() + + def geturl(self): + """ + Returns the URL that was the source of this response. + If the request that generated this response redirected, this method + will return the final redirect location. + """ + if self.retries is not None and len(self.retries.history): + return self.retries.history[-1].redirect_location + else: + return self._request_url diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/__init__.py new file mode 100644 index 0000000..2f2770b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/__init__.py @@ -0,0 +1,54 @@ +from __future__ import absolute_import +# For backwards compatibility, provide imports that used to be here. +from .connection import is_connection_dropped +from .request import make_headers +from .response import is_fp_closed +from .ssl_ import ( + SSLContext, + HAS_SNI, + IS_PYOPENSSL, + IS_SECURETRANSPORT, + assert_fingerprint, + resolve_cert_reqs, + resolve_ssl_version, + ssl_wrap_socket, +) +from .timeout import ( + current_time, + Timeout, +) + +from .retry import Retry +from .url import ( + get_host, + parse_url, + split_first, + Url, +) +from .wait import ( + wait_for_read, + wait_for_write +) + +__all__ = ( + 'HAS_SNI', + 'IS_PYOPENSSL', + 'IS_SECURETRANSPORT', + 'SSLContext', + 'Retry', + 'Timeout', + 'Url', + 'assert_fingerprint', + 'current_time', + 'is_connection_dropped', + 'is_fp_closed', + 'get_host', + 'parse_url', + 'make_headers', + 'resolve_cert_reqs', + 'resolve_ssl_version', + 'split_first', + 'ssl_wrap_socket', + 'wait_for_read', + 'wait_for_write' +) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/connection.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/connection.py new file mode 100644 index 0000000..5ad70b2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/connection.py @@ -0,0 +1,134 @@ +from __future__ import absolute_import +import socket +from .wait import NoWayToWaitForSocketError, wait_for_read +from ..contrib import _appengine_environ + + +def is_connection_dropped(conn): # Platform-specific + """ + Returns True if the connection is dropped and should be closed. + + :param conn: + :class:`httplib.HTTPConnection` object. + + Note: For platforms like AppEngine, this will always return ``False`` to + let the platform handle connection recycling transparently for us. + """ + sock = getattr(conn, 'sock', False) + if sock is False: # Platform-specific: AppEngine + return False + if sock is None: # Connection already closed (such as by httplib). + return True + try: + # Returns True if readable, which here means it's been dropped + return wait_for_read(sock, timeout=0.0) + except NoWayToWaitForSocketError: # Platform-specific: AppEngine + return False + + +# This function is copied from socket.py in the Python 2.7 standard +# library test suite. Added to its signature is only `socket_options`. +# One additional modification is that we avoid binding to IPv6 servers +# discovered in DNS if the system doesn't have IPv6 functionality. +def create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, + source_address=None, socket_options=None): + """Connect to *address* and return the socket object. + + Convenience function. Connect to *address* (a 2-tuple ``(host, + port)``) and return the socket object. Passing the optional + *timeout* parameter will set the timeout on the socket instance + before attempting to connect. If no *timeout* is supplied, the + global default timeout setting returned by :func:`getdefaulttimeout` + is used. If *source_address* is set it must be a tuple of (host, port) + for the socket to bind as a source address before making the connection. + An host of '' or port 0 tells the OS to use the default. + """ + + host, port = address + if host.startswith('['): + host = host.strip('[]') + err = None + + # Using the value from allowed_gai_family() in the context of getaddrinfo lets + # us select whether to work with IPv4 DNS records, IPv6 records, or both. + # The original create_connection function always returns all records. + family = allowed_gai_family() + + for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM): + af, socktype, proto, canonname, sa = res + sock = None + try: + sock = socket.socket(af, socktype, proto) + + # If provided, set socket level options before connecting. + _set_socket_options(sock, socket_options) + + if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT: + sock.settimeout(timeout) + if source_address: + sock.bind(source_address) + sock.connect(sa) + return sock + + except socket.error as e: + err = e + if sock is not None: + sock.close() + sock = None + + if err is not None: + raise err + + raise socket.error("getaddrinfo returns an empty list") + + +def _set_socket_options(sock, options): + if options is None: + return + + for opt in options: + sock.setsockopt(*opt) + + +def allowed_gai_family(): + """This function is designed to work in the context of + getaddrinfo, where family=socket.AF_UNSPEC is the default and + will perform a DNS search for both IPv6 and IPv4 records.""" + + family = socket.AF_INET + if HAS_IPV6: + family = socket.AF_UNSPEC + return family + + +def _has_ipv6(host): + """ Returns True if the system can bind an IPv6 address. """ + sock = None + has_ipv6 = False + + # App Engine doesn't support IPV6 sockets and actually has a quota on the + # number of sockets that can be used, so just early out here instead of + # creating a socket needlessly. + # See https://github.com/urllib3/urllib3/issues/1446 + if _appengine_environ.is_appengine_sandbox(): + return False + + if socket.has_ipv6: + # has_ipv6 returns true if cPython was compiled with IPv6 support. + # It does not tell us if the system has IPv6 support enabled. To + # determine that we must bind to an IPv6 address. + # https://github.com/shazow/urllib3/pull/611 + # https://bugs.python.org/issue658327 + try: + sock = socket.socket(socket.AF_INET6) + sock.bind((host, 0)) + has_ipv6 = True + except Exception: + pass + + if sock: + sock.close() + return has_ipv6 + + +HAS_IPV6 = _has_ipv6('::1') diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/queue.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/queue.py new file mode 100644 index 0000000..d3d379a --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/queue.py @@ -0,0 +1,21 @@ +import collections +from ..packages import six +from ..packages.six.moves import queue + +if six.PY2: + # Queue is imported for side effects on MS Windows. See issue #229. + import Queue as _unused_module_Queue # noqa: F401 + + +class LifoQueue(queue.Queue): + def _init(self, _): + self.queue = collections.deque() + + def _qsize(self, len=len): + return len(self.queue) + + def _put(self, item): + self.queue.append(item) + + def _get(self): + return self.queue.pop() diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/request.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/request.py new file mode 100644 index 0000000..3ddfcd5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/request.py @@ -0,0 +1,118 @@ +from __future__ import absolute_import +from base64 import b64encode + +from ..packages.six import b, integer_types +from ..exceptions import UnrewindableBodyError + +ACCEPT_ENCODING = 'gzip,deflate' +_FAILEDTELL = object() + + +def make_headers(keep_alive=None, accept_encoding=None, user_agent=None, + basic_auth=None, proxy_basic_auth=None, disable_cache=None): + """ + Shortcuts for generating request headers. + + :param keep_alive: + If ``True``, adds 'connection: keep-alive' header. + + :param accept_encoding: + Can be a boolean, list, or string. + ``True`` translates to 'gzip,deflate'. + List will get joined by comma. + String will be used as provided. + + :param user_agent: + String representing the user-agent you want, such as + "python-urllib3/0.6" + + :param basic_auth: + Colon-separated username:password string for 'authorization: basic ...' + auth header. + + :param proxy_basic_auth: + Colon-separated username:password string for 'proxy-authorization: basic ...' + auth header. + + :param disable_cache: + If ``True``, adds 'cache-control: no-cache' header. + + Example:: + + >>> make_headers(keep_alive=True, user_agent="Batman/1.0") + {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'} + >>> make_headers(accept_encoding=True) + {'accept-encoding': 'gzip,deflate'} + """ + headers = {} + if accept_encoding: + if isinstance(accept_encoding, str): + pass + elif isinstance(accept_encoding, list): + accept_encoding = ','.join(accept_encoding) + else: + accept_encoding = ACCEPT_ENCODING + headers['accept-encoding'] = accept_encoding + + if user_agent: + headers['user-agent'] = user_agent + + if keep_alive: + headers['connection'] = 'keep-alive' + + if basic_auth: + headers['authorization'] = 'Basic ' + \ + b64encode(b(basic_auth)).decode('utf-8') + + if proxy_basic_auth: + headers['proxy-authorization'] = 'Basic ' + \ + b64encode(b(proxy_basic_auth)).decode('utf-8') + + if disable_cache: + headers['cache-control'] = 'no-cache' + + return headers + + +def set_file_position(body, pos): + """ + If a position is provided, move file to that point. + Otherwise, we'll attempt to record a position for future use. + """ + if pos is not None: + rewind_body(body, pos) + elif getattr(body, 'tell', None) is not None: + try: + pos = body.tell() + except (IOError, OSError): + # This differentiates from None, allowing us to catch + # a failed `tell()` later when trying to rewind the body. + pos = _FAILEDTELL + + return pos + + +def rewind_body(body, body_pos): + """ + Attempt to rewind body to a certain position. + Primarily used for request redirects and retries. + + :param body: + File-like object that supports seek. + + :param int pos: + Position to seek to in file. + """ + body_seek = getattr(body, 'seek', None) + if body_seek is not None and isinstance(body_pos, integer_types): + try: + body_seek(body_pos) + except (IOError, OSError): + raise UnrewindableBodyError("An error occurred when rewinding request " + "body for redirect/retry.") + elif body_pos is _FAILEDTELL: + raise UnrewindableBodyError("Unable to record file position for rewinding " + "request body during a redirect/retry.") + else: + raise ValueError("body_pos must be of type integer, " + "instead it was %s." % type(body_pos)) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/response.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/response.py new file mode 100644 index 0000000..3d54864 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/response.py @@ -0,0 +1,87 @@ +from __future__ import absolute_import +from ..packages.six.moves import http_client as httplib + +from ..exceptions import HeaderParsingError + + +def is_fp_closed(obj): + """ + Checks whether a given file-like object is closed. + + :param obj: + The file-like object to check. + """ + + try: + # Check `isclosed()` first, in case Python3 doesn't set `closed`. + # GH Issue #928 + return obj.isclosed() + except AttributeError: + pass + + try: + # Check via the official file-like-object way. + return obj.closed + except AttributeError: + pass + + try: + # Check if the object is a container for another file-like object that + # gets released on exhaustion (e.g. HTTPResponse). + return obj.fp is None + except AttributeError: + pass + + raise ValueError("Unable to determine whether fp is closed.") + + +def assert_header_parsing(headers): + """ + Asserts whether all headers have been successfully parsed. + Extracts encountered errors from the result of parsing headers. + + Only works on Python 3. + + :param headers: Headers to verify. + :type headers: `httplib.HTTPMessage`. + + :raises urllib3.exceptions.HeaderParsingError: + If parsing errors are found. + """ + + # This will fail silently if we pass in the wrong kind of parameter. + # To make debugging easier add an explicit check. + if not isinstance(headers, httplib.HTTPMessage): + raise TypeError('expected httplib.Message, got {0}.'.format( + type(headers))) + + defects = getattr(headers, 'defects', None) + get_payload = getattr(headers, 'get_payload', None) + + unparsed_data = None + if get_payload: + # get_payload is actually email.message.Message.get_payload; + # we're only interested in the result if it's not a multipart message + if not headers.is_multipart(): + payload = get_payload() + + if isinstance(payload, (bytes, str)): + unparsed_data = payload + + if defects or unparsed_data: + raise HeaderParsingError(defects=defects, unparsed_data=unparsed_data) + + +def is_response_to_head(response): + """ + Checks whether the request of a response has been a HEAD-request. + Handles the quirks of AppEngine. + + :param conn: + :type conn: :class:`httplib.HTTPResponse` + """ + # FIXME: Can we do this somehow without accessing private httplib _method? + method = response._method + if isinstance(method, int): # Platform-specific: Appengine + return method == 3 + return method.upper() == 'HEAD' diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/retry.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/retry.py new file mode 100644 index 0000000..e7d0abd --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/retry.py @@ -0,0 +1,411 @@ +from __future__ import absolute_import +import time +import logging +from collections import namedtuple +from itertools import takewhile +import email +import re + +from ..exceptions import ( + ConnectTimeoutError, + MaxRetryError, + ProtocolError, + ReadTimeoutError, + ResponseError, + InvalidHeader, +) +from ..packages import six + + +log = logging.getLogger(__name__) + + +# Data structure for representing the metadata of requests that result in a retry. +RequestHistory = namedtuple('RequestHistory', ["method", "url", "error", + "status", "redirect_location"]) + + +class Retry(object): + """ Retry configuration. + + Each retry attempt will create a new Retry object with updated values, so + they can be safely reused. + + Retries can be defined as a default for a pool:: + + retries = Retry(connect=5, read=2, redirect=5) + http = PoolManager(retries=retries) + response = http.request('GET', 'http://example.com/') + + Or per-request (which overrides the default for the pool):: + + response = http.request('GET', 'http://example.com/', retries=Retry(10)) + + Retries can be disabled by passing ``False``:: + + response = http.request('GET', 'http://example.com/', retries=False) + + Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless + retries are disabled, in which case the causing exception will be raised. + + :param int total: + Total number of retries to allow. Takes precedence over other counts. + + Set to ``None`` to remove this constraint and fall back on other + counts. It's a good idea to set this to some sensibly-high value to + account for unexpected edge cases and avoid infinite retry loops. + + Set to ``0`` to fail on the first retry. + + Set to ``False`` to disable and imply ``raise_on_redirect=False``. + + :param int connect: + How many connection-related errors to retry on. + + These are errors raised before the request is sent to the remote server, + which we assume has not triggered the server to process the request. + + Set to ``0`` to fail on the first retry of this type. + + :param int read: + How many times to retry on read errors. + + These errors are raised after the request was sent to the server, so the + request may have side-effects. + + Set to ``0`` to fail on the first retry of this type. + + :param int redirect: + How many redirects to perform. Limit this to avoid infinite redirect + loops. + + A redirect is a HTTP response with a status code 301, 302, 303, 307 or + 308. + + Set to ``0`` to fail on the first retry of this type. + + Set to ``False`` to disable and imply ``raise_on_redirect=False``. + + :param int status: + How many times to retry on bad status codes. + + These are retries made on responses, where status code matches + ``status_forcelist``. + + Set to ``0`` to fail on the first retry of this type. + + :param iterable method_whitelist: + Set of uppercased HTTP method verbs that we should retry on. + + By default, we only retry on methods which are considered to be + idempotent (multiple requests with the same parameters end with the + same state). See :attr:`Retry.DEFAULT_METHOD_WHITELIST`. + + Set to a ``False`` value to retry on any verb. + + :param iterable status_forcelist: + A set of integer HTTP status codes that we should force a retry on. + A retry is initiated if the request method is in ``method_whitelist`` + and the response status code is in ``status_forcelist``. + + By default, this is disabled with ``None``. + + :param float backoff_factor: + A backoff factor to apply between attempts after the second try + (most errors are resolved immediately by a second try without a + delay). urllib3 will sleep for:: + + {backoff factor} * (2 ** ({number of total retries} - 1)) + + seconds. If the backoff_factor is 0.1, then :func:`.sleep` will sleep + for [0.0s, 0.2s, 0.4s, ...] between retries. It will never be longer + than :attr:`Retry.BACKOFF_MAX`. + + By default, backoff is disabled (set to 0). + + :param bool raise_on_redirect: Whether, if the number of redirects is + exhausted, to raise a MaxRetryError, or to return a response with a + response code in the 3xx range. + + :param bool raise_on_status: Similar meaning to ``raise_on_redirect``: + whether we should raise an exception, or return a response, + if status falls in ``status_forcelist`` range and retries have + been exhausted. + + :param tuple history: The history of the request encountered during + each call to :meth:`~Retry.increment`. The list is in the order + the requests occurred. Each list item is of class :class:`RequestHistory`. + + :param bool respect_retry_after_header: + Whether to respect Retry-After header on status codes defined as + :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not. + + :param iterable remove_headers_on_redirect: + Sequence of headers to remove from the request when a response + indicating a redirect is returned before firing off the redirected + request. + """ + + DEFAULT_METHOD_WHITELIST = frozenset([ + 'HEAD', 'GET', 'PUT', 'DELETE', 'OPTIONS', 'TRACE']) + + RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503]) + + DEFAULT_REDIRECT_HEADERS_BLACKLIST = frozenset(['Authorization']) + + #: Maximum backoff time. + BACKOFF_MAX = 120 + + def __init__(self, total=10, connect=None, read=None, redirect=None, status=None, + method_whitelist=DEFAULT_METHOD_WHITELIST, status_forcelist=None, + backoff_factor=0, raise_on_redirect=True, raise_on_status=True, + history=None, respect_retry_after_header=True, + remove_headers_on_redirect=DEFAULT_REDIRECT_HEADERS_BLACKLIST): + + self.total = total + self.connect = connect + self.read = read + self.status = status + + if redirect is False or total is False: + redirect = 0 + raise_on_redirect = False + + self.redirect = redirect + self.status_forcelist = status_forcelist or set() + self.method_whitelist = method_whitelist + self.backoff_factor = backoff_factor + self.raise_on_redirect = raise_on_redirect + self.raise_on_status = raise_on_status + self.history = history or tuple() + self.respect_retry_after_header = respect_retry_after_header + self.remove_headers_on_redirect = remove_headers_on_redirect + + def new(self, **kw): + params = dict( + total=self.total, + connect=self.connect, read=self.read, redirect=self.redirect, status=self.status, + method_whitelist=self.method_whitelist, + status_forcelist=self.status_forcelist, + backoff_factor=self.backoff_factor, + raise_on_redirect=self.raise_on_redirect, + raise_on_status=self.raise_on_status, + history=self.history, + remove_headers_on_redirect=self.remove_headers_on_redirect + ) + params.update(kw) + return type(self)(**params) + + @classmethod + def from_int(cls, retries, redirect=True, default=None): + """ Backwards-compatibility for the old retries format.""" + if retries is None: + retries = default if default is not None else cls.DEFAULT + + if isinstance(retries, Retry): + return retries + + redirect = bool(redirect) and None + new_retries = cls(retries, redirect=redirect) + log.debug("Converted retries value: %r -> %r", retries, new_retries) + return new_retries + + def get_backoff_time(self): + """ Formula for computing the current backoff + + :rtype: float + """ + # We want to consider only the last consecutive errors sequence (Ignore redirects). + consecutive_errors_len = len(list(takewhile(lambda x: x.redirect_location is None, + reversed(self.history)))) + if consecutive_errors_len <= 1: + return 0 + + backoff_value = self.backoff_factor * (2 ** (consecutive_errors_len - 1)) + return min(self.BACKOFF_MAX, backoff_value) + + def parse_retry_after(self, retry_after): + # Whitespace: https://tools.ietf.org/html/rfc7230#section-3.2.4 + if re.match(r"^\s*[0-9]+\s*$", retry_after): + seconds = int(retry_after) + else: + retry_date_tuple = email.utils.parsedate(retry_after) + if retry_date_tuple is None: + raise InvalidHeader("Invalid Retry-After header: %s" % retry_after) + retry_date = time.mktime(retry_date_tuple) + seconds = retry_date - time.time() + + if seconds < 0: + seconds = 0 + + return seconds + + def get_retry_after(self, response): + """ Get the value of Retry-After in seconds. """ + + retry_after = response.getheader("Retry-After") + + if retry_after is None: + return None + + return self.parse_retry_after(retry_after) + + def sleep_for_retry(self, response=None): + retry_after = self.get_retry_after(response) + if retry_after: + time.sleep(retry_after) + return True + + return False + + def _sleep_backoff(self): + backoff = self.get_backoff_time() + if backoff <= 0: + return + time.sleep(backoff) + + def sleep(self, response=None): + """ Sleep between retry attempts. + + This method will respect a server's ``Retry-After`` response header + and sleep the duration of the time requested. If that is not present, it + will use an exponential backoff. By default, the backoff factor is 0 and + this method will return immediately. + """ + + if response: + slept = self.sleep_for_retry(response) + if slept: + return + + self._sleep_backoff() + + def _is_connection_error(self, err): + """ Errors when we're fairly sure that the server did not receive the + request, so it should be safe to retry. + """ + return isinstance(err, ConnectTimeoutError) + + def _is_read_error(self, err): + """ Errors that occur after the request has been started, so we should + assume that the server began processing it. + """ + return isinstance(err, (ReadTimeoutError, ProtocolError)) + + def _is_method_retryable(self, method): + """ Checks if a given HTTP method should be retried upon, depending if + it is included on the method whitelist. + """ + if self.method_whitelist and method.upper() not in self.method_whitelist: + return False + + return True + + def is_retry(self, method, status_code, has_retry_after=False): + """ Is this method/status code retryable? (Based on whitelists and control + variables such as the number of total retries to allow, whether to + respect the Retry-After header, whether this header is present, and + whether the returned status code is on the list of status codes to + be retried upon on the presence of the aforementioned header) + """ + if not self._is_method_retryable(method): + return False + + if self.status_forcelist and status_code in self.status_forcelist: + return True + + return (self.total and self.respect_retry_after_header and + has_retry_after and (status_code in self.RETRY_AFTER_STATUS_CODES)) + + def is_exhausted(self): + """ Are we out of retries? """ + retry_counts = (self.total, self.connect, self.read, self.redirect, self.status) + retry_counts = list(filter(None, retry_counts)) + if not retry_counts: + return False + + return min(retry_counts) < 0 + + def increment(self, method=None, url=None, response=None, error=None, + _pool=None, _stacktrace=None): + """ Return a new Retry object with incremented retry counters. + + :param response: A response object, or None, if the server did not + return a response. + :type response: :class:`~urllib3.response.HTTPResponse` + :param Exception error: An error encountered during the request, or + None if the response was received successfully. + + :return: A new ``Retry`` object. + """ + if self.total is False and error: + # Disabled, indicate to re-raise the error. + raise six.reraise(type(error), error, _stacktrace) + + total = self.total + if total is not None: + total -= 1 + + connect = self.connect + read = self.read + redirect = self.redirect + status_count = self.status + cause = 'unknown' + status = None + redirect_location = None + + if error and self._is_connection_error(error): + # Connect retry? + if connect is False: + raise six.reraise(type(error), error, _stacktrace) + elif connect is not None: + connect -= 1 + + elif error and self._is_read_error(error): + # Read retry? + if read is False or not self._is_method_retryable(method): + raise six.reraise(type(error), error, _stacktrace) + elif read is not None: + read -= 1 + + elif response and response.get_redirect_location(): + # Redirect retry? + if redirect is not None: + redirect -= 1 + cause = 'too many redirects' + redirect_location = response.get_redirect_location() + status = response.status + + else: + # Incrementing because of a server error like a 500 in + # status_forcelist and a the given method is in the whitelist + cause = ResponseError.GENERIC_ERROR + if response and response.status: + if status_count is not None: + status_count -= 1 + cause = ResponseError.SPECIFIC_ERROR.format( + status_code=response.status) + status = response.status + + history = self.history + (RequestHistory(method, url, error, status, redirect_location),) + + new_retry = self.new( + total=total, + connect=connect, read=read, redirect=redirect, status=status_count, + history=history) + + if new_retry.is_exhausted(): + raise MaxRetryError(_pool, url, error or ResponseError(cause)) + + log.debug("Incremented Retry for (url='%s'): %r", url, new_retry) + + return new_retry + + def __repr__(self): + return ('{cls.__name__}(total={self.total}, connect={self.connect}, ' + 'read={self.read}, redirect={self.redirect}, status={self.status})').format( + cls=type(self), self=self) + + +# For backwards compatibility (equivalent to pre-v1.9): +Retry.DEFAULT = Retry(3) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/ssl_.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/ssl_.py new file mode 100644 index 0000000..dfc553f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/ssl_.py @@ -0,0 +1,381 @@ +from __future__ import absolute_import +import errno +import warnings +import hmac +import socket + +from binascii import hexlify, unhexlify +from hashlib import md5, sha1, sha256 + +from ..exceptions import SSLError, InsecurePlatformWarning, SNIMissingWarning +from ..packages import six + + +SSLContext = None +HAS_SNI = False +IS_PYOPENSSL = False +IS_SECURETRANSPORT = False + +# Maps the length of a digest to a possible hash function producing this digest +HASHFUNC_MAP = { + 32: md5, + 40: sha1, + 64: sha256, +} + + +def _const_compare_digest_backport(a, b): + """ + Compare two digests of equal length in constant time. + + The digests must be of type str/bytes. + Returns True if the digests match, and False otherwise. + """ + result = abs(len(a) - len(b)) + for l, r in zip(bytearray(a), bytearray(b)): + result |= l ^ r + return result == 0 + + +_const_compare_digest = getattr(hmac, 'compare_digest', + _const_compare_digest_backport) + + +try: # Test for SSL features + import ssl + from ssl import wrap_socket, CERT_NONE, PROTOCOL_SSLv23 + from ssl import HAS_SNI # Has SNI? +except ImportError: + pass + + +try: + from ssl import OP_NO_SSLv2, OP_NO_SSLv3, OP_NO_COMPRESSION +except ImportError: + OP_NO_SSLv2, OP_NO_SSLv3 = 0x1000000, 0x2000000 + OP_NO_COMPRESSION = 0x20000 + + +# Python 2.7 doesn't have inet_pton on non-Linux so we fallback on inet_aton in +# those cases. This means that we can only detect IPv4 addresses in this case. +if hasattr(socket, 'inet_pton'): + inet_pton = socket.inet_pton +else: + # Maybe we can use ipaddress if the user has urllib3[secure]? + try: + from pip._vendor import ipaddress + + def inet_pton(_, host): + if isinstance(host, bytes): + host = host.decode('ascii') + return ipaddress.ip_address(host) + + except ImportError: # Platform-specific: Non-Linux + def inet_pton(_, host): + return socket.inet_aton(host) + + +# A secure default. +# Sources for more information on TLS ciphers: +# +# - https://wiki.mozilla.org/Security/Server_Side_TLS +# - https://www.ssllabs.com/projects/best-practices/index.html +# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/ +# +# The general intent is: +# - Prefer TLS 1.3 cipher suites +# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE), +# - prefer ECDHE over DHE for better performance, +# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and +# security, +# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common, +# - disable NULL authentication, MD5 MACs and DSS for security reasons. +DEFAULT_CIPHERS = ':'.join([ + 'TLS13-AES-256-GCM-SHA384', + 'TLS13-CHACHA20-POLY1305-SHA256', + 'TLS13-AES-128-GCM-SHA256', + 'ECDH+AESGCM', + 'ECDH+CHACHA20', + 'DH+AESGCM', + 'DH+CHACHA20', + 'ECDH+AES256', + 'DH+AES256', + 'ECDH+AES128', + 'DH+AES', + 'RSA+AESGCM', + 'RSA+AES', + '!aNULL', + '!eNULL', + '!MD5', +]) + +try: + from ssl import SSLContext # Modern SSL? +except ImportError: + import sys + + class SSLContext(object): # Platform-specific: Python 2 + def __init__(self, protocol_version): + self.protocol = protocol_version + # Use default values from a real SSLContext + self.check_hostname = False + self.verify_mode = ssl.CERT_NONE + self.ca_certs = None + self.options = 0 + self.certfile = None + self.keyfile = None + self.ciphers = None + + def load_cert_chain(self, certfile, keyfile): + self.certfile = certfile + self.keyfile = keyfile + + def load_verify_locations(self, cafile=None, capath=None): + self.ca_certs = cafile + + if capath is not None: + raise SSLError("CA directories not supported in older Pythons") + + def set_ciphers(self, cipher_suite): + self.ciphers = cipher_suite + + def wrap_socket(self, socket, server_hostname=None, server_side=False): + warnings.warn( + 'A true SSLContext object is not available. This prevents ' + 'urllib3 from configuring SSL appropriately and may cause ' + 'certain SSL connections to fail. You can upgrade to a newer ' + 'version of Python to solve this. For more information, see ' + 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' + '#ssl-warnings', + InsecurePlatformWarning + ) + kwargs = { + 'keyfile': self.keyfile, + 'certfile': self.certfile, + 'ca_certs': self.ca_certs, + 'cert_reqs': self.verify_mode, + 'ssl_version': self.protocol, + 'server_side': server_side, + } + return wrap_socket(socket, ciphers=self.ciphers, **kwargs) + + +def assert_fingerprint(cert, fingerprint): + """ + Checks if given fingerprint matches the supplied certificate. + + :param cert: + Certificate as bytes object. + :param fingerprint: + Fingerprint as string of hexdigits, can be interspersed by colons. + """ + + fingerprint = fingerprint.replace(':', '').lower() + digest_length = len(fingerprint) + hashfunc = HASHFUNC_MAP.get(digest_length) + if not hashfunc: + raise SSLError( + 'Fingerprint of invalid length: {0}'.format(fingerprint)) + + # We need encode() here for py32; works on py2 and p33. + fingerprint_bytes = unhexlify(fingerprint.encode()) + + cert_digest = hashfunc(cert).digest() + + if not _const_compare_digest(cert_digest, fingerprint_bytes): + raise SSLError('Fingerprints did not match. Expected "{0}", got "{1}".' + .format(fingerprint, hexlify(cert_digest))) + + +def resolve_cert_reqs(candidate): + """ + Resolves the argument to a numeric constant, which can be passed to + the wrap_socket function/method from the ssl module. + Defaults to :data:`ssl.CERT_NONE`. + If given a string it is assumed to be the name of the constant in the + :mod:`ssl` module or its abbreviation. + (So you can specify `REQUIRED` instead of `CERT_REQUIRED`. + If it's neither `None` nor a string we assume it is already the numeric + constant which can directly be passed to wrap_socket. + """ + if candidate is None: + return CERT_NONE + + if isinstance(candidate, str): + res = getattr(ssl, candidate, None) + if res is None: + res = getattr(ssl, 'CERT_' + candidate) + return res + + return candidate + + +def resolve_ssl_version(candidate): + """ + like resolve_cert_reqs + """ + if candidate is None: + return PROTOCOL_SSLv23 + + if isinstance(candidate, str): + res = getattr(ssl, candidate, None) + if res is None: + res = getattr(ssl, 'PROTOCOL_' + candidate) + return res + + return candidate + + +def create_urllib3_context(ssl_version=None, cert_reqs=None, + options=None, ciphers=None): + """All arguments have the same meaning as ``ssl_wrap_socket``. + + By default, this function does a lot of the same work that + ``ssl.create_default_context`` does on Python 3.4+. It: + + - Disables SSLv2, SSLv3, and compression + - Sets a restricted set of server ciphers + + If you wish to enable SSLv3, you can do:: + + from pip._vendor.urllib3.util import ssl_ + context = ssl_.create_urllib3_context() + context.options &= ~ssl_.OP_NO_SSLv3 + + You can do the same to enable compression (substituting ``COMPRESSION`` + for ``SSLv3`` in the last line above). + + :param ssl_version: + The desired protocol version to use. This will default to + PROTOCOL_SSLv23 which will negotiate the highest protocol that both + the server and your installation of OpenSSL support. + :param cert_reqs: + Whether to require the certificate verification. This defaults to + ``ssl.CERT_REQUIRED``. + :param options: + Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``, + ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``. + :param ciphers: + Which cipher suites to allow the server to select. + :returns: + Constructed SSLContext object with specified options + :rtype: SSLContext + """ + context = SSLContext(ssl_version or ssl.PROTOCOL_SSLv23) + + context.set_ciphers(ciphers or DEFAULT_CIPHERS) + + # Setting the default here, as we may have no ssl module on import + cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs + + if options is None: + options = 0 + # SSLv2 is easily broken and is considered harmful and dangerous + options |= OP_NO_SSLv2 + # SSLv3 has several problems and is now dangerous + options |= OP_NO_SSLv3 + # Disable compression to prevent CRIME attacks for OpenSSL 1.0+ + # (issue #309) + options |= OP_NO_COMPRESSION + + context.options |= options + + context.verify_mode = cert_reqs + if getattr(context, 'check_hostname', None) is not None: # Platform-specific: Python 3.2 + # We do our own verification, including fingerprints and alternative + # hostnames. So disable it here + context.check_hostname = False + return context + + +def ssl_wrap_socket(sock, keyfile=None, certfile=None, cert_reqs=None, + ca_certs=None, server_hostname=None, + ssl_version=None, ciphers=None, ssl_context=None, + ca_cert_dir=None): + """ + All arguments except for server_hostname, ssl_context, and ca_cert_dir have + the same meaning as they do when using :func:`ssl.wrap_socket`. + + :param server_hostname: + When SNI is supported, the expected hostname of the certificate + :param ssl_context: + A pre-made :class:`SSLContext` object. If none is provided, one will + be created using :func:`create_urllib3_context`. + :param ciphers: + A string of ciphers we wish the client to support. + :param ca_cert_dir: + A directory containing CA certificates in multiple separate files, as + supported by OpenSSL's -CApath flag or the capath argument to + SSLContext.load_verify_locations(). + """ + context = ssl_context + if context is None: + # Note: This branch of code and all the variables in it are no longer + # used by urllib3 itself. We should consider deprecating and removing + # this code. + context = create_urllib3_context(ssl_version, cert_reqs, + ciphers=ciphers) + + if ca_certs or ca_cert_dir: + try: + context.load_verify_locations(ca_certs, ca_cert_dir) + except IOError as e: # Platform-specific: Python 2.7 + raise SSLError(e) + # Py33 raises FileNotFoundError which subclasses OSError + # These are not equivalent unless we check the errno attribute + except OSError as e: # Platform-specific: Python 3.3 and beyond + if e.errno == errno.ENOENT: + raise SSLError(e) + raise + elif getattr(context, 'load_default_certs', None) is not None: + # try to load OS default certs; works well on Windows (require Python3.4+) + context.load_default_certs() + + if certfile: + context.load_cert_chain(certfile, keyfile) + + # If we detect server_hostname is an IP address then the SNI + # extension should not be used according to RFC3546 Section 3.1 + # We shouldn't warn the user if SNI isn't available but we would + # not be using SNI anyways due to IP address for server_hostname. + if ((server_hostname is not None and not is_ipaddress(server_hostname)) + or IS_SECURETRANSPORT): + if HAS_SNI and server_hostname is not None: + return context.wrap_socket(sock, server_hostname=server_hostname) + + warnings.warn( + 'An HTTPS request has been made, but the SNI (Server Name ' + 'Indication) extension to TLS is not available on this platform. ' + 'This may cause the server to present an incorrect TLS ' + 'certificate, which can cause validation failures. You can upgrade to ' + 'a newer version of Python to solve this. For more information, see ' + 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' + '#ssl-warnings', + SNIMissingWarning + ) + + return context.wrap_socket(sock) + + +def is_ipaddress(hostname): + """Detects whether the hostname given is an IP address. + + :param str hostname: Hostname to examine. + :return: True if the hostname is an IP address, False otherwise. + """ + if six.PY3 and isinstance(hostname, bytes): + # IDN A-label bytes are ASCII compatible. + hostname = hostname.decode('ascii') + + families = [socket.AF_INET] + if hasattr(socket, 'AF_INET6'): + families.append(socket.AF_INET6) + + for af in families: + try: + inet_pton(af, hostname) + except (socket.error, ValueError, OSError): + pass + else: + return True + return False diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/timeout.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/timeout.py new file mode 100644 index 0000000..cec817e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/timeout.py @@ -0,0 +1,242 @@ +from __future__ import absolute_import +# The default socket timeout, used by httplib to indicate that no timeout was +# specified by the user +from socket import _GLOBAL_DEFAULT_TIMEOUT +import time + +from ..exceptions import TimeoutStateError + +# A sentinel value to indicate that no timeout was specified by the user in +# urllib3 +_Default = object() + + +# Use time.monotonic if available. +current_time = getattr(time, "monotonic", time.time) + + +class Timeout(object): + """ Timeout configuration. + + Timeouts can be defined as a default for a pool:: + + timeout = Timeout(connect=2.0, read=7.0) + http = PoolManager(timeout=timeout) + response = http.request('GET', 'http://example.com/') + + Or per-request (which overrides the default for the pool):: + + response = http.request('GET', 'http://example.com/', timeout=Timeout(10)) + + Timeouts can be disabled by setting all the parameters to ``None``:: + + no_timeout = Timeout(connect=None, read=None) + response = http.request('GET', 'http://example.com/, timeout=no_timeout) + + + :param total: + This combines the connect and read timeouts into one; the read timeout + will be set to the time leftover from the connect attempt. In the + event that both a connect timeout and a total are specified, or a read + timeout and a total are specified, the shorter timeout will be applied. + + Defaults to None. + + :type total: integer, float, or None + + :param connect: + The maximum amount of time to wait for a connection attempt to a server + to succeed. Omitting the parameter will default the connect timeout to + the system default, probably `the global default timeout in socket.py + <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_. + None will set an infinite timeout for connection attempts. + + :type connect: integer, float, or None + + :param read: + The maximum amount of time to wait between consecutive + read operations for a response from the server. Omitting + the parameter will default the read timeout to the system + default, probably `the global default timeout in socket.py + <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_. + None will set an infinite timeout. + + :type read: integer, float, or None + + .. note:: + + Many factors can affect the total amount of time for urllib3 to return + an HTTP response. + + For example, Python's DNS resolver does not obey the timeout specified + on the socket. Other factors that can affect total request time include + high CPU load, high swap, the program running at a low priority level, + or other behaviors. + + In addition, the read and total timeouts only measure the time between + read operations on the socket connecting the client and the server, + not the total amount of time for the request to return a complete + response. For most requests, the timeout is raised because the server + has not sent the first byte in the specified time. This is not always + the case; if a server streams one byte every fifteen seconds, a timeout + of 20 seconds will not trigger, even though the request will take + several minutes to complete. + + If your goal is to cut off any request after a set amount of wall clock + time, consider having a second "watcher" thread to cut off a slow + request. + """ + + #: A sentinel object representing the default timeout value + DEFAULT_TIMEOUT = _GLOBAL_DEFAULT_TIMEOUT + + def __init__(self, total=None, connect=_Default, read=_Default): + self._connect = self._validate_timeout(connect, 'connect') + self._read = self._validate_timeout(read, 'read') + self.total = self._validate_timeout(total, 'total') + self._start_connect = None + + def __str__(self): + return '%s(connect=%r, read=%r, total=%r)' % ( + type(self).__name__, self._connect, self._read, self.total) + + @classmethod + def _validate_timeout(cls, value, name): + """ Check that a timeout attribute is valid. + + :param value: The timeout value to validate + :param name: The name of the timeout attribute to validate. This is + used to specify in error messages. + :return: The validated and casted version of the given value. + :raises ValueError: If it is a numeric value less than or equal to + zero, or the type is not an integer, float, or None. + """ + if value is _Default: + return cls.DEFAULT_TIMEOUT + + if value is None or value is cls.DEFAULT_TIMEOUT: + return value + + if isinstance(value, bool): + raise ValueError("Timeout cannot be a boolean value. It must " + "be an int, float or None.") + try: + float(value) + except (TypeError, ValueError): + raise ValueError("Timeout value %s was %s, but it must be an " + "int, float or None." % (name, value)) + + try: + if value <= 0: + raise ValueError("Attempted to set %s timeout to %s, but the " + "timeout cannot be set to a value less " + "than or equal to 0." % (name, value)) + except TypeError: # Python 3 + raise ValueError("Timeout value %s was %s, but it must be an " + "int, float or None." % (name, value)) + + return value + + @classmethod + def from_float(cls, timeout): + """ Create a new Timeout from a legacy timeout value. + + The timeout value used by httplib.py sets the same timeout on the + connect(), and recv() socket requests. This creates a :class:`Timeout` + object that sets the individual timeouts to the ``timeout`` value + passed to this function. + + :param timeout: The legacy timeout value. + :type timeout: integer, float, sentinel default object, or None + :return: Timeout object + :rtype: :class:`Timeout` + """ + return Timeout(read=timeout, connect=timeout) + + def clone(self): + """ Create a copy of the timeout object + + Timeout properties are stored per-pool but each request needs a fresh + Timeout object to ensure each one has its own start/stop configured. + + :return: a copy of the timeout object + :rtype: :class:`Timeout` + """ + # We can't use copy.deepcopy because that will also create a new object + # for _GLOBAL_DEFAULT_TIMEOUT, which socket.py uses as a sentinel to + # detect the user default. + return Timeout(connect=self._connect, read=self._read, + total=self.total) + + def start_connect(self): + """ Start the timeout clock, used during a connect() attempt + + :raises urllib3.exceptions.TimeoutStateError: if you attempt + to start a timer that has been started already. + """ + if self._start_connect is not None: + raise TimeoutStateError("Timeout timer has already been started.") + self._start_connect = current_time() + return self._start_connect + + def get_connect_duration(self): + """ Gets the time elapsed since the call to :meth:`start_connect`. + + :return: Elapsed time. + :rtype: float + :raises urllib3.exceptions.TimeoutStateError: if you attempt + to get duration for a timer that hasn't been started. + """ + if self._start_connect is None: + raise TimeoutStateError("Can't get connect duration for timer " + "that has not started.") + return current_time() - self._start_connect + + @property + def connect_timeout(self): + """ Get the value to use when setting a connection timeout. + + This will be a positive float or integer, the value None + (never timeout), or the default system timeout. + + :return: Connect timeout. + :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None + """ + if self.total is None: + return self._connect + + if self._connect is None or self._connect is self.DEFAULT_TIMEOUT: + return self.total + + return min(self._connect, self.total) + + @property + def read_timeout(self): + """ Get the value for the read timeout. + + This assumes some time has elapsed in the connection timeout and + computes the read timeout appropriately. + + If self.total is set, the read timeout is dependent on the amount of + time taken by the connect timeout. If the connection time has not been + established, a :exc:`~urllib3.exceptions.TimeoutStateError` will be + raised. + + :return: Value to use for the read timeout. + :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None + :raises urllib3.exceptions.TimeoutStateError: If :meth:`start_connect` + has not yet been called on this object. + """ + if (self.total is not None and + self.total is not self.DEFAULT_TIMEOUT and + self._read is not None and + self._read is not self.DEFAULT_TIMEOUT): + # In case the connect timeout has not yet been established. + if self._start_connect is None: + return self._read + return max(0, min(self.total - self.get_connect_duration(), + self._read)) + elif self.total is not None and self.total is not self.DEFAULT_TIMEOUT: + return max(0, self.total - self.get_connect_duration()) + else: + return self._read diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/url.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/url.py new file mode 100644 index 0000000..6b6f996 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/url.py @@ -0,0 +1,230 @@ +from __future__ import absolute_import +from collections import namedtuple + +from ..exceptions import LocationParseError + + +url_attrs = ['scheme', 'auth', 'host', 'port', 'path', 'query', 'fragment'] + +# We only want to normalize urls with an HTTP(S) scheme. +# urllib3 infers URLs without a scheme (None) to be http. +NORMALIZABLE_SCHEMES = ('http', 'https', None) + + +class Url(namedtuple('Url', url_attrs)): + """ + Datastructure for representing an HTTP URL. Used as a return value for + :func:`parse_url`. Both the scheme and host are normalized as they are + both case-insensitive according to RFC 3986. + """ + __slots__ = () + + def __new__(cls, scheme=None, auth=None, host=None, port=None, path=None, + query=None, fragment=None): + if path and not path.startswith('/'): + path = '/' + path + if scheme: + scheme = scheme.lower() + if host and scheme in NORMALIZABLE_SCHEMES: + host = host.lower() + return super(Url, cls).__new__(cls, scheme, auth, host, port, path, + query, fragment) + + @property + def hostname(self): + """For backwards-compatibility with urlparse. We're nice like that.""" + return self.host + + @property + def request_uri(self): + """Absolute path including the query string.""" + uri = self.path or '/' + + if self.query is not None: + uri += '?' + self.query + + return uri + + @property + def netloc(self): + """Network location including host and port""" + if self.port: + return '%s:%d' % (self.host, self.port) + return self.host + + @property + def url(self): + """ + Convert self into a url + + This function should more or less round-trip with :func:`.parse_url`. The + returned url may not be exactly the same as the url inputted to + :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls + with a blank port will have : removed). + + Example: :: + + >>> U = parse_url('http://google.com/mail/') + >>> U.url + 'http://google.com/mail/' + >>> Url('http', 'username:password', 'host.com', 80, + ... '/path', 'query', 'fragment').url + 'http://username:password@host.com:80/path?query#fragment' + """ + scheme, auth, host, port, path, query, fragment = self + url = '' + + # We use "is not None" we want things to happen with empty strings (or 0 port) + if scheme is not None: + url += scheme + '://' + if auth is not None: + url += auth + '@' + if host is not None: + url += host + if port is not None: + url += ':' + str(port) + if path is not None: + url += path + if query is not None: + url += '?' + query + if fragment is not None: + url += '#' + fragment + + return url + + def __str__(self): + return self.url + + +def split_first(s, delims): + """ + Given a string and an iterable of delimiters, split on the first found + delimiter. Return two split parts and the matched delimiter. + + If not found, then the first part is the full input string. + + Example:: + + >>> split_first('foo/bar?baz', '?/=') + ('foo', 'bar?baz', '/') + >>> split_first('foo/bar?baz', '123') + ('foo/bar?baz', '', None) + + Scales linearly with number of delims. Not ideal for large number of delims. + """ + min_idx = None + min_delim = None + for d in delims: + idx = s.find(d) + if idx < 0: + continue + + if min_idx is None or idx < min_idx: + min_idx = idx + min_delim = d + + if min_idx is None or min_idx < 0: + return s, '', None + + return s[:min_idx], s[min_idx + 1:], min_delim + + +def parse_url(url): + """ + Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is + performed to parse incomplete urls. Fields not provided will be None. + + Partly backwards-compatible with :mod:`urlparse`. + + Example:: + + >>> parse_url('http://google.com/mail/') + Url(scheme='http', host='google.com', port=None, path='/mail/', ...) + >>> parse_url('google.com:80') + Url(scheme=None, host='google.com', port=80, path=None, ...) + >>> parse_url('/foo?bar') + Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...) + """ + + # While this code has overlap with stdlib's urlparse, it is much + # simplified for our needs and less annoying. + # Additionally, this implementations does silly things to be optimal + # on CPython. + + if not url: + # Empty + return Url() + + scheme = None + auth = None + host = None + port = None + path = None + fragment = None + query = None + + # Scheme + if '://' in url: + scheme, url = url.split('://', 1) + + # Find the earliest Authority Terminator + # (http://tools.ietf.org/html/rfc3986#section-3.2) + url, path_, delim = split_first(url, ['/', '?', '#']) + + if delim: + # Reassemble the path + path = delim + path_ + + # Auth + if '@' in url: + # Last '@' denotes end of auth part + auth, url = url.rsplit('@', 1) + + # IPv6 + if url and url[0] == '[': + host, url = url.split(']', 1) + host += ']' + + # Port + if ':' in url: + _host, port = url.split(':', 1) + + if not host: + host = _host + + if port: + # If given, ports must be integers. No whitespace, no plus or + # minus prefixes, no non-integer digits such as ^2 (superscript). + if not port.isdigit(): + raise LocationParseError(url) + try: + port = int(port) + except ValueError: + raise LocationParseError(url) + else: + # Blank ports are cool, too. (rfc3986#section-3.2.3) + port = None + + elif not host and url: + host = url + + if not path: + return Url(scheme, auth, host, port, path, query, fragment) + + # Fragment + if '#' in path: + path, fragment = path.split('#', 1) + + # Query + if '?' in path: + path, query = path.split('?', 1) + + return Url(scheme, auth, host, port, path, query, fragment) + + +def get_host(url): + """ + Deprecated. Use :func:`parse_url` instead. + """ + p = parse_url(url) + return p.scheme or 'http', p.hostname, p.port diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/wait.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/wait.py new file mode 100644 index 0000000..4db71ba --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/util/wait.py @@ -0,0 +1,150 @@ +import errno +from functools import partial +import select +import sys +try: + from time import monotonic +except ImportError: + from time import time as monotonic + +__all__ = ["NoWayToWaitForSocketError", "wait_for_read", "wait_for_write"] + + +class NoWayToWaitForSocketError(Exception): + pass + + +# How should we wait on sockets? +# +# There are two types of APIs you can use for waiting on sockets: the fancy +# modern stateful APIs like epoll/kqueue, and the older stateless APIs like +# select/poll. The stateful APIs are more efficient when you have a lots of +# sockets to keep track of, because you can set them up once and then use them +# lots of times. But we only ever want to wait on a single socket at a time +# and don't want to keep track of state, so the stateless APIs are actually +# more efficient. So we want to use select() or poll(). +# +# Now, how do we choose between select() and poll()? On traditional Unixes, +# select() has a strange calling convention that makes it slow, or fail +# altogether, for high-numbered file descriptors. The point of poll() is to fix +# that, so on Unixes, we prefer poll(). +# +# On Windows, there is no poll() (or at least Python doesn't provide a wrapper +# for it), but that's OK, because on Windows, select() doesn't have this +# strange calling convention; plain select() works fine. +# +# So: on Windows we use select(), and everywhere else we use poll(). We also +# fall back to select() in case poll() is somehow broken or missing. + +if sys.version_info >= (3, 5): + # Modern Python, that retries syscalls by default + def _retry_on_intr(fn, timeout): + return fn(timeout) +else: + # Old and broken Pythons. + def _retry_on_intr(fn, timeout): + if timeout is None: + deadline = float("inf") + else: + deadline = monotonic() + timeout + + while True: + try: + return fn(timeout) + # OSError for 3 <= pyver < 3.5, select.error for pyver <= 2.7 + except (OSError, select.error) as e: + # 'e.args[0]' incantation works for both OSError and select.error + if e.args[0] != errno.EINTR: + raise + else: + timeout = deadline - monotonic() + if timeout < 0: + timeout = 0 + if timeout == float("inf"): + timeout = None + continue + + +def select_wait_for_socket(sock, read=False, write=False, timeout=None): + if not read and not write: + raise RuntimeError("must specify at least one of read=True, write=True") + rcheck = [] + wcheck = [] + if read: + rcheck.append(sock) + if write: + wcheck.append(sock) + # When doing a non-blocking connect, most systems signal success by + # marking the socket writable. Windows, though, signals success by marked + # it as "exceptional". We paper over the difference by checking the write + # sockets for both conditions. (The stdlib selectors module does the same + # thing.) + fn = partial(select.select, rcheck, wcheck, wcheck) + rready, wready, xready = _retry_on_intr(fn, timeout) + return bool(rready or wready or xready) + + +def poll_wait_for_socket(sock, read=False, write=False, timeout=None): + if not read and not write: + raise RuntimeError("must specify at least one of read=True, write=True") + mask = 0 + if read: + mask |= select.POLLIN + if write: + mask |= select.POLLOUT + poll_obj = select.poll() + poll_obj.register(sock, mask) + + # For some reason, poll() takes timeout in milliseconds + def do_poll(t): + if t is not None: + t *= 1000 + return poll_obj.poll(t) + + return bool(_retry_on_intr(do_poll, timeout)) + + +def null_wait_for_socket(*args, **kwargs): + raise NoWayToWaitForSocketError("no select-equivalent available") + + +def _have_working_poll(): + # Apparently some systems have a select.poll that fails as soon as you try + # to use it, either due to strange configuration or broken monkeypatching + # from libraries like eventlet/greenlet. + try: + poll_obj = select.poll() + _retry_on_intr(poll_obj.poll, 0) + except (AttributeError, OSError): + return False + else: + return True + + +def wait_for_socket(*args, **kwargs): + # We delay choosing which implementation to use until the first time we're + # called. We could do it at import time, but then we might make the wrong + # decision if someone goes wild with monkeypatching select.poll after + # we're imported. + global wait_for_socket + if _have_working_poll(): + wait_for_socket = poll_wait_for_socket + elif hasattr(select, "select"): + wait_for_socket = select_wait_for_socket + else: # Platform-specific: Appengine. + wait_for_socket = null_wait_for_socket + return wait_for_socket(*args, **kwargs) + + +def wait_for_read(sock, timeout=None): + """ Waits for reading to be available on a given socket. + Returns True if the socket is readable, or False if the timeout expired. + """ + return wait_for_socket(sock, read=True, timeout=timeout) + + +def wait_for_write(sock, timeout=None): + """ Waits for writing to be available on a given socket. + Returns True if the socket is readable, or False if the timeout expired. + """ + return wait_for_socket(sock, write=True, timeout=timeout) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/__init__.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/__init__.py new file mode 100644 index 0000000..d21d697 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/__init__.py @@ -0,0 +1,342 @@ +# coding: utf-8 +""" + + webencodings + ~~~~~~~~~~~~ + + This is a Python implementation of the `WHATWG Encoding standard + <http://encoding.spec.whatwg.org/>`. See README for details. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +from __future__ import unicode_literals + +import codecs + +from .labels import LABELS + + +VERSION = '0.5.1' + + +# Some names in Encoding are not valid Python aliases. Remap these. +PYTHON_NAMES = { + 'iso-8859-8-i': 'iso-8859-8', + 'x-mac-cyrillic': 'mac-cyrillic', + 'macintosh': 'mac-roman', + 'windows-874': 'cp874'} + +CACHE = {} + + +def ascii_lower(string): + r"""Transform (only) ASCII letters to lower case: A-Z is mapped to a-z. + + :param string: An Unicode string. + :returns: A new Unicode string. + + This is used for `ASCII case-insensitive + <http://encoding.spec.whatwg.org/#ascii-case-insensitive>`_ + matching of encoding labels. + The same matching is also used, among other things, + for `CSS keywords <http://dev.w3.org/csswg/css-values/#keywords>`_. + + This is different from the :meth:`~py:str.lower` method of Unicode strings + which also affect non-ASCII characters, + sometimes mapping them into the ASCII range: + + >>> keyword = u'Bac\N{KELVIN SIGN}ground' + >>> assert keyword.lower() == u'background' + >>> assert ascii_lower(keyword) != keyword.lower() + >>> assert ascii_lower(keyword) == u'bac\N{KELVIN SIGN}ground' + + """ + # This turns out to be faster than unicode.translate() + return string.encode('utf8').lower().decode('utf8') + + +def lookup(label): + """ + Look for an encoding by its label. + This is the spec’s `get an encoding + <http://encoding.spec.whatwg.org/#concept-encoding-get>`_ algorithm. + Supported labels are listed there. + + :param label: A string. + :returns: + An :class:`Encoding` object, or :obj:`None` for an unknown label. + + """ + # Only strip ASCII whitespace: U+0009, U+000A, U+000C, U+000D, and U+0020. + label = ascii_lower(label.strip('\t\n\f\r ')) + name = LABELS.get(label) + if name is None: + return None + encoding = CACHE.get(name) + if encoding is None: + if name == 'x-user-defined': + from .x_user_defined import codec_info + else: + python_name = PYTHON_NAMES.get(name, name) + # Any python_name value that gets to here should be valid. + codec_info = codecs.lookup(python_name) + encoding = Encoding(name, codec_info) + CACHE[name] = encoding + return encoding + + +def _get_encoding(encoding_or_label): + """ + Accept either an encoding object or label. + + :param encoding: An :class:`Encoding` object or a label string. + :returns: An :class:`Encoding` object. + :raises: :exc:`~exceptions.LookupError` for an unknown label. + + """ + if hasattr(encoding_or_label, 'codec_info'): + return encoding_or_label + + encoding = lookup(encoding_or_label) + if encoding is None: + raise LookupError('Unknown encoding label: %r' % encoding_or_label) + return encoding + + +class Encoding(object): + """Reresents a character encoding such as UTF-8, + that can be used for decoding or encoding. + + .. attribute:: name + + Canonical name of the encoding + + .. attribute:: codec_info + + The actual implementation of the encoding, + a stdlib :class:`~codecs.CodecInfo` object. + See :func:`codecs.register`. + + """ + def __init__(self, name, codec_info): + self.name = name + self.codec_info = codec_info + + def __repr__(self): + return '<Encoding %s>' % self.name + + +#: The UTF-8 encoding. Should be used for new content and formats. +UTF8 = lookup('utf-8') + +_UTF16LE = lookup('utf-16le') +_UTF16BE = lookup('utf-16be') + + +def decode(input, fallback_encoding, errors='replace'): + """ + Decode a single string. + + :param input: A byte string + :param fallback_encoding: + An :class:`Encoding` object or a label string. + The encoding to use if :obj:`input` does note have a BOM. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + :return: + A ``(output, encoding)`` tuple of an Unicode string + and an :obj:`Encoding`. + + """ + # Fail early if `encoding` is an invalid label. + fallback_encoding = _get_encoding(fallback_encoding) + bom_encoding, input = _detect_bom(input) + encoding = bom_encoding or fallback_encoding + return encoding.codec_info.decode(input, errors)[0], encoding + + +def _detect_bom(input): + """Return (bom_encoding, input), with any BOM removed from the input.""" + if input.startswith(b'\xFF\xFE'): + return _UTF16LE, input[2:] + if input.startswith(b'\xFE\xFF'): + return _UTF16BE, input[2:] + if input.startswith(b'\xEF\xBB\xBF'): + return UTF8, input[3:] + return None, input + + +def encode(input, encoding=UTF8, errors='strict'): + """ + Encode a single string. + + :param input: An Unicode string. + :param encoding: An :class:`Encoding` object or a label string. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + :return: A byte string. + + """ + return _get_encoding(encoding).codec_info.encode(input, errors)[0] + + +def iter_decode(input, fallback_encoding, errors='replace'): + """ + "Pull"-based decoder. + + :param input: + An iterable of byte strings. + + The input is first consumed just enough to determine the encoding + based on the precense of a BOM, + then consumed on demand when the return value is. + :param fallback_encoding: + An :class:`Encoding` object or a label string. + The encoding to use if :obj:`input` does note have a BOM. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + :returns: + An ``(output, encoding)`` tuple. + :obj:`output` is an iterable of Unicode strings, + :obj:`encoding` is the :obj:`Encoding` that is being used. + + """ + + decoder = IncrementalDecoder(fallback_encoding, errors) + generator = _iter_decode_generator(input, decoder) + encoding = next(generator) + return generator, encoding + + +def _iter_decode_generator(input, decoder): + """Return a generator that first yields the :obj:`Encoding`, + then yields output chukns as Unicode strings. + + """ + decode = decoder.decode + input = iter(input) + for chunck in input: + output = decode(chunck) + if output: + assert decoder.encoding is not None + yield decoder.encoding + yield output + break + else: + # Input exhausted without determining the encoding + output = decode(b'', final=True) + assert decoder.encoding is not None + yield decoder.encoding + if output: + yield output + return + + for chunck in input: + output = decode(chunck) + if output: + yield output + output = decode(b'', final=True) + if output: + yield output + + +def iter_encode(input, encoding=UTF8, errors='strict'): + """ + “Pull”-based encoder. + + :param input: An iterable of Unicode strings. + :param encoding: An :class:`Encoding` object or a label string. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + :returns: An iterable of byte strings. + + """ + # Fail early if `encoding` is an invalid label. + encode = IncrementalEncoder(encoding, errors).encode + return _iter_encode_generator(input, encode) + + +def _iter_encode_generator(input, encode): + for chunck in input: + output = encode(chunck) + if output: + yield output + output = encode('', final=True) + if output: + yield output + + +class IncrementalDecoder(object): + """ + “Push”-based decoder. + + :param fallback_encoding: + An :class:`Encoding` object or a label string. + The encoding to use if :obj:`input` does note have a BOM. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + + """ + def __init__(self, fallback_encoding, errors='replace'): + # Fail early if `encoding` is an invalid label. + self._fallback_encoding = _get_encoding(fallback_encoding) + self._errors = errors + self._buffer = b'' + self._decoder = None + #: The actual :class:`Encoding` that is being used, + #: or :obj:`None` if that is not determined yet. + #: (Ie. if there is not enough input yet to determine + #: if there is a BOM.) + self.encoding = None # Not known yet. + + def decode(self, input, final=False): + """Decode one chunk of the input. + + :param input: A byte string. + :param final: + Indicate that no more input is available. + Must be :obj:`True` if this is the last call. + :returns: An Unicode string. + + """ + decoder = self._decoder + if decoder is not None: + return decoder(input, final) + + input = self._buffer + input + encoding, input = _detect_bom(input) + if encoding is None: + if len(input) < 3 and not final: # Not enough data yet. + self._buffer = input + return '' + else: # No BOM + encoding = self._fallback_encoding + decoder = encoding.codec_info.incrementaldecoder(self._errors).decode + self._decoder = decoder + self.encoding = encoding + return decoder(input, final) + + +class IncrementalEncoder(object): + """ + “Push”-based encoder. + + :param encoding: An :class:`Encoding` object or a label string. + :param errors: Type of error handling. See :func:`codecs.register`. + :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. + + .. method:: encode(input, final=False) + + :param input: An Unicode string. + :param final: + Indicate that no more input is available. + Must be :obj:`True` if this is the last call. + :returns: A byte string. + + """ + def __init__(self, encoding=UTF8, errors='strict'): + encoding = _get_encoding(encoding) + self.encode = encoding.codec_info.incrementalencoder(errors).encode diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/labels.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/labels.py new file mode 100644 index 0000000..29cbf91 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/labels.py @@ -0,0 +1,231 @@ +""" + + webencodings.labels + ~~~~~~~~~~~~~~~~~~~ + + Map encoding labels to their name. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +# XXX Do not edit! +# This file is automatically generated by mklabels.py + +LABELS = { + 'unicode-1-1-utf-8': 'utf-8', + 'utf-8': 'utf-8', + 'utf8': 'utf-8', + '866': 'ibm866', + 'cp866': 'ibm866', + 'csibm866': 'ibm866', + 'ibm866': 'ibm866', + 'csisolatin2': 'iso-8859-2', + 'iso-8859-2': 'iso-8859-2', + 'iso-ir-101': 'iso-8859-2', + 'iso8859-2': 'iso-8859-2', + 'iso88592': 'iso-8859-2', + 'iso_8859-2': 'iso-8859-2', + 'iso_8859-2:1987': 'iso-8859-2', + 'l2': 'iso-8859-2', + 'latin2': 'iso-8859-2', + 'csisolatin3': 'iso-8859-3', + 'iso-8859-3': 'iso-8859-3', + 'iso-ir-109': 'iso-8859-3', + 'iso8859-3': 'iso-8859-3', + 'iso88593': 'iso-8859-3', + 'iso_8859-3': 'iso-8859-3', + 'iso_8859-3:1988': 'iso-8859-3', + 'l3': 'iso-8859-3', + 'latin3': 'iso-8859-3', + 'csisolatin4': 'iso-8859-4', + 'iso-8859-4': 'iso-8859-4', + 'iso-ir-110': 'iso-8859-4', + 'iso8859-4': 'iso-8859-4', + 'iso88594': 'iso-8859-4', + 'iso_8859-4': 'iso-8859-4', + 'iso_8859-4:1988': 'iso-8859-4', + 'l4': 'iso-8859-4', + 'latin4': 'iso-8859-4', + 'csisolatincyrillic': 'iso-8859-5', + 'cyrillic': 'iso-8859-5', + 'iso-8859-5': 'iso-8859-5', + 'iso-ir-144': 'iso-8859-5', + 'iso8859-5': 'iso-8859-5', + 'iso88595': 'iso-8859-5', + 'iso_8859-5': 'iso-8859-5', + 'iso_8859-5:1988': 'iso-8859-5', + 'arabic': 'iso-8859-6', + 'asmo-708': 'iso-8859-6', + 'csiso88596e': 'iso-8859-6', + 'csiso88596i': 'iso-8859-6', + 'csisolatinarabic': 'iso-8859-6', + 'ecma-114': 'iso-8859-6', + 'iso-8859-6': 'iso-8859-6', + 'iso-8859-6-e': 'iso-8859-6', + 'iso-8859-6-i': 'iso-8859-6', + 'iso-ir-127': 'iso-8859-6', + 'iso8859-6': 'iso-8859-6', + 'iso88596': 'iso-8859-6', + 'iso_8859-6': 'iso-8859-6', + 'iso_8859-6:1987': 'iso-8859-6', + 'csisolatingreek': 'iso-8859-7', + 'ecma-118': 'iso-8859-7', + 'elot_928': 'iso-8859-7', + 'greek': 'iso-8859-7', + 'greek8': 'iso-8859-7', + 'iso-8859-7': 'iso-8859-7', + 'iso-ir-126': 'iso-8859-7', + 'iso8859-7': 'iso-8859-7', + 'iso88597': 'iso-8859-7', + 'iso_8859-7': 'iso-8859-7', + 'iso_8859-7:1987': 'iso-8859-7', + 'sun_eu_greek': 'iso-8859-7', + 'csiso88598e': 'iso-8859-8', + 'csisolatinhebrew': 'iso-8859-8', + 'hebrew': 'iso-8859-8', + 'iso-8859-8': 'iso-8859-8', + 'iso-8859-8-e': 'iso-8859-8', + 'iso-ir-138': 'iso-8859-8', + 'iso8859-8': 'iso-8859-8', + 'iso88598': 'iso-8859-8', + 'iso_8859-8': 'iso-8859-8', + 'iso_8859-8:1988': 'iso-8859-8', + 'visual': 'iso-8859-8', + 'csiso88598i': 'iso-8859-8-i', + 'iso-8859-8-i': 'iso-8859-8-i', + 'logical': 'iso-8859-8-i', + 'csisolatin6': 'iso-8859-10', + 'iso-8859-10': 'iso-8859-10', + 'iso-ir-157': 'iso-8859-10', + 'iso8859-10': 'iso-8859-10', + 'iso885910': 'iso-8859-10', + 'l6': 'iso-8859-10', + 'latin6': 'iso-8859-10', + 'iso-8859-13': 'iso-8859-13', + 'iso8859-13': 'iso-8859-13', + 'iso885913': 'iso-8859-13', + 'iso-8859-14': 'iso-8859-14', + 'iso8859-14': 'iso-8859-14', + 'iso885914': 'iso-8859-14', + 'csisolatin9': 'iso-8859-15', + 'iso-8859-15': 'iso-8859-15', + 'iso8859-15': 'iso-8859-15', + 'iso885915': 'iso-8859-15', + 'iso_8859-15': 'iso-8859-15', + 'l9': 'iso-8859-15', + 'iso-8859-16': 'iso-8859-16', + 'cskoi8r': 'koi8-r', + 'koi': 'koi8-r', + 'koi8': 'koi8-r', + 'koi8-r': 'koi8-r', + 'koi8_r': 'koi8-r', + 'koi8-u': 'koi8-u', + 'csmacintosh': 'macintosh', + 'mac': 'macintosh', + 'macintosh': 'macintosh', + 'x-mac-roman': 'macintosh', + 'dos-874': 'windows-874', + 'iso-8859-11': 'windows-874', + 'iso8859-11': 'windows-874', + 'iso885911': 'windows-874', + 'tis-620': 'windows-874', + 'windows-874': 'windows-874', + 'cp1250': 'windows-1250', + 'windows-1250': 'windows-1250', + 'x-cp1250': 'windows-1250', + 'cp1251': 'windows-1251', + 'windows-1251': 'windows-1251', + 'x-cp1251': 'windows-1251', + 'ansi_x3.4-1968': 'windows-1252', + 'ascii': 'windows-1252', + 'cp1252': 'windows-1252', + 'cp819': 'windows-1252', + 'csisolatin1': 'windows-1252', + 'ibm819': 'windows-1252', + 'iso-8859-1': 'windows-1252', + 'iso-ir-100': 'windows-1252', + 'iso8859-1': 'windows-1252', + 'iso88591': 'windows-1252', + 'iso_8859-1': 'windows-1252', + 'iso_8859-1:1987': 'windows-1252', + 'l1': 'windows-1252', + 'latin1': 'windows-1252', + 'us-ascii': 'windows-1252', + 'windows-1252': 'windows-1252', + 'x-cp1252': 'windows-1252', + 'cp1253': 'windows-1253', + 'windows-1253': 'windows-1253', + 'x-cp1253': 'windows-1253', + 'cp1254': 'windows-1254', + 'csisolatin5': 'windows-1254', + 'iso-8859-9': 'windows-1254', + 'iso-ir-148': 'windows-1254', + 'iso8859-9': 'windows-1254', + 'iso88599': 'windows-1254', + 'iso_8859-9': 'windows-1254', + 'iso_8859-9:1989': 'windows-1254', + 'l5': 'windows-1254', + 'latin5': 'windows-1254', + 'windows-1254': 'windows-1254', + 'x-cp1254': 'windows-1254', + 'cp1255': 'windows-1255', + 'windows-1255': 'windows-1255', + 'x-cp1255': 'windows-1255', + 'cp1256': 'windows-1256', + 'windows-1256': 'windows-1256', + 'x-cp1256': 'windows-1256', + 'cp1257': 'windows-1257', + 'windows-1257': 'windows-1257', + 'x-cp1257': 'windows-1257', + 'cp1258': 'windows-1258', + 'windows-1258': 'windows-1258', + 'x-cp1258': 'windows-1258', + 'x-mac-cyrillic': 'x-mac-cyrillic', + 'x-mac-ukrainian': 'x-mac-cyrillic', + 'chinese': 'gbk', + 'csgb2312': 'gbk', + 'csiso58gb231280': 'gbk', + 'gb2312': 'gbk', + 'gb_2312': 'gbk', + 'gb_2312-80': 'gbk', + 'gbk': 'gbk', + 'iso-ir-58': 'gbk', + 'x-gbk': 'gbk', + 'gb18030': 'gb18030', + 'hz-gb-2312': 'hz-gb-2312', + 'big5': 'big5', + 'big5-hkscs': 'big5', + 'cn-big5': 'big5', + 'csbig5': 'big5', + 'x-x-big5': 'big5', + 'cseucpkdfmtjapanese': 'euc-jp', + 'euc-jp': 'euc-jp', + 'x-euc-jp': 'euc-jp', + 'csiso2022jp': 'iso-2022-jp', + 'iso-2022-jp': 'iso-2022-jp', + 'csshiftjis': 'shift_jis', + 'ms_kanji': 'shift_jis', + 'shift-jis': 'shift_jis', + 'shift_jis': 'shift_jis', + 'sjis': 'shift_jis', + 'windows-31j': 'shift_jis', + 'x-sjis': 'shift_jis', + 'cseuckr': 'euc-kr', + 'csksc56011987': 'euc-kr', + 'euc-kr': 'euc-kr', + 'iso-ir-149': 'euc-kr', + 'korean': 'euc-kr', + 'ks_c_5601-1987': 'euc-kr', + 'ks_c_5601-1989': 'euc-kr', + 'ksc5601': 'euc-kr', + 'ksc_5601': 'euc-kr', + 'windows-949': 'euc-kr', + 'csiso2022kr': 'iso-2022-kr', + 'iso-2022-kr': 'iso-2022-kr', + 'utf-16be': 'utf-16be', + 'utf-16': 'utf-16le', + 'utf-16le': 'utf-16le', + 'x-user-defined': 'x-user-defined', +} diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/mklabels.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/mklabels.py new file mode 100644 index 0000000..295dc92 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/mklabels.py @@ -0,0 +1,59 @@ +""" + + webencodings.mklabels + ~~~~~~~~~~~~~~~~~~~~~ + + Regenarate the webencodings.labels module. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +import json +try: + from urllib import urlopen +except ImportError: + from urllib.request import urlopen + + +def assert_lower(string): + assert string == string.lower() + return string + + +def generate(url): + parts = ['''\ +""" + + webencodings.labels + ~~~~~~~~~~~~~~~~~~~ + + Map encoding labels to their name. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +# XXX Do not edit! +# This file is automatically generated by mklabels.py + +LABELS = { +'''] + labels = [ + (repr(assert_lower(label)).lstrip('u'), + repr(encoding['name']).lstrip('u')) + for category in json.loads(urlopen(url).read().decode('ascii')) + for encoding in category['encodings'] + for label in encoding['labels']] + max_len = max(len(label) for label, name in labels) + parts.extend( + ' %s:%s %s,\n' % (label, ' ' * (max_len - len(label)), name) + for label, name in labels) + parts.append('}') + return ''.join(parts) + + +if __name__ == '__main__': + print(generate('http://encoding.spec.whatwg.org/encodings.json')) diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/tests.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/tests.py new file mode 100644 index 0000000..e12c10d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/tests.py @@ -0,0 +1,153 @@ +# coding: utf-8 +""" + + webencodings.tests + ~~~~~~~~~~~~~~~~~~ + + A basic test suite for Encoding. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +from __future__ import unicode_literals + +from . import (lookup, LABELS, decode, encode, iter_decode, iter_encode, + IncrementalDecoder, IncrementalEncoder, UTF8) + + +def assert_raises(exception, function, *args, **kwargs): + try: + function(*args, **kwargs) + except exception: + return + else: # pragma: no cover + raise AssertionError('Did not raise %s.' % exception) + + +def test_labels(): + assert lookup('utf-8').name == 'utf-8' + assert lookup('Utf-8').name == 'utf-8' + assert lookup('UTF-8').name == 'utf-8' + assert lookup('utf8').name == 'utf-8' + assert lookup('utf8').name == 'utf-8' + assert lookup('utf8 ').name == 'utf-8' + assert lookup(' \r\nutf8\t').name == 'utf-8' + assert lookup('u8') is None # Python label. + assert lookup('utf-8 ') is None # Non-ASCII white space. + + assert lookup('US-ASCII').name == 'windows-1252' + assert lookup('iso-8859-1').name == 'windows-1252' + assert lookup('latin1').name == 'windows-1252' + assert lookup('LATIN1').name == 'windows-1252' + assert lookup('latin-1') is None + assert lookup('LATİN1') is None # ASCII-only case insensitivity. + + +def test_all_labels(): + for label in LABELS: + assert decode(b'', label) == ('', lookup(label)) + assert encode('', label) == b'' + for repeat in [0, 1, 12]: + output, _ = iter_decode([b''] * repeat, label) + assert list(output) == [] + assert list(iter_encode([''] * repeat, label)) == [] + decoder = IncrementalDecoder(label) + assert decoder.decode(b'') == '' + assert decoder.decode(b'', final=True) == '' + encoder = IncrementalEncoder(label) + assert encoder.encode('') == b'' + assert encoder.encode('', final=True) == b'' + # All encoding names are valid labels too: + for name in set(LABELS.values()): + assert lookup(name).name == name + + +def test_invalid_label(): + assert_raises(LookupError, decode, b'\xEF\xBB\xBF\xc3\xa9', 'invalid') + assert_raises(LookupError, encode, 'é', 'invalid') + assert_raises(LookupError, iter_decode, [], 'invalid') + assert_raises(LookupError, iter_encode, [], 'invalid') + assert_raises(LookupError, IncrementalDecoder, 'invalid') + assert_raises(LookupError, IncrementalEncoder, 'invalid') + + +def test_decode(): + assert decode(b'\x80', 'latin1') == ('€', lookup('latin1')) + assert decode(b'\x80', lookup('latin1')) == ('€', lookup('latin1')) + assert decode(b'\xc3\xa9', 'utf8') == ('é', lookup('utf8')) + assert decode(b'\xc3\xa9', UTF8) == ('é', lookup('utf8')) + assert decode(b'\xc3\xa9', 'ascii') == ('é', lookup('ascii')) + assert decode(b'\xEF\xBB\xBF\xc3\xa9', 'ascii') == ('é', lookup('utf8')) # UTF-8 with BOM + + assert decode(b'\xFE\xFF\x00\xe9', 'ascii') == ('é', lookup('utf-16be')) # UTF-16-BE with BOM + assert decode(b'\xFF\xFE\xe9\x00', 'ascii') == ('é', lookup('utf-16le')) # UTF-16-LE with BOM + assert decode(b'\xFE\xFF\xe9\x00', 'ascii') == ('\ue900', lookup('utf-16be')) + assert decode(b'\xFF\xFE\x00\xe9', 'ascii') == ('\ue900', lookup('utf-16le')) + + assert decode(b'\x00\xe9', 'UTF-16BE') == ('é', lookup('utf-16be')) + assert decode(b'\xe9\x00', 'UTF-16LE') == ('é', lookup('utf-16le')) + assert decode(b'\xe9\x00', 'UTF-16') == ('é', lookup('utf-16le')) + + assert decode(b'\xe9\x00', 'UTF-16BE') == ('\ue900', lookup('utf-16be')) + assert decode(b'\x00\xe9', 'UTF-16LE') == ('\ue900', lookup('utf-16le')) + assert decode(b'\x00\xe9', 'UTF-16') == ('\ue900', lookup('utf-16le')) + + +def test_encode(): + assert encode('é', 'latin1') == b'\xe9' + assert encode('é', 'utf8') == b'\xc3\xa9' + assert encode('é', 'utf8') == b'\xc3\xa9' + assert encode('é', 'utf-16') == b'\xe9\x00' + assert encode('é', 'utf-16le') == b'\xe9\x00' + assert encode('é', 'utf-16be') == b'\x00\xe9' + + +def test_iter_decode(): + def iter_decode_to_string(input, fallback_encoding): + output, _encoding = iter_decode(input, fallback_encoding) + return ''.join(output) + assert iter_decode_to_string([], 'latin1') == '' + assert iter_decode_to_string([b''], 'latin1') == '' + assert iter_decode_to_string([b'\xe9'], 'latin1') == 'é' + assert iter_decode_to_string([b'hello'], 'latin1') == 'hello' + assert iter_decode_to_string([b'he', b'llo'], 'latin1') == 'hello' + assert iter_decode_to_string([b'hell', b'o'], 'latin1') == 'hello' + assert iter_decode_to_string([b'\xc3\xa9'], 'latin1') == 'é' + assert iter_decode_to_string([b'\xEF\xBB\xBF\xc3\xa9'], 'latin1') == 'é' + assert iter_decode_to_string([ + b'\xEF\xBB\xBF', b'\xc3', b'\xa9'], 'latin1') == 'é' + assert iter_decode_to_string([ + b'\xEF\xBB\xBF', b'a', b'\xc3'], 'latin1') == 'a\uFFFD' + assert iter_decode_to_string([ + b'', b'\xEF', b'', b'', b'\xBB\xBF\xc3', b'\xa9'], 'latin1') == 'é' + assert iter_decode_to_string([b'\xEF\xBB\xBF'], 'latin1') == '' + assert iter_decode_to_string([b'\xEF\xBB'], 'latin1') == 'ï»' + assert iter_decode_to_string([b'\xFE\xFF\x00\xe9'], 'latin1') == 'é' + assert iter_decode_to_string([b'\xFF\xFE\xe9\x00'], 'latin1') == 'é' + assert iter_decode_to_string([ + b'', b'\xFF', b'', b'', b'\xFE\xe9', b'\x00'], 'latin1') == 'é' + assert iter_decode_to_string([ + b'', b'h\xe9', b'llo'], 'x-user-defined') == 'h\uF7E9llo' + + +def test_iter_encode(): + assert b''.join(iter_encode([], 'latin1')) == b'' + assert b''.join(iter_encode([''], 'latin1')) == b'' + assert b''.join(iter_encode(['é'], 'latin1')) == b'\xe9' + assert b''.join(iter_encode(['', 'é', '', ''], 'latin1')) == b'\xe9' + assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16')) == b'\xe9\x00' + assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16le')) == b'\xe9\x00' + assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16be')) == b'\x00\xe9' + assert b''.join(iter_encode([ + '', 'h\uF7E9', '', 'llo'], 'x-user-defined')) == b'h\xe9llo' + + +def test_x_user_defined(): + encoded = b'2,\x0c\x0b\x1aO\xd9#\xcb\x0f\xc9\xbbt\xcf\xa8\xca' + decoded = '2,\x0c\x0b\x1aO\uf7d9#\uf7cb\x0f\uf7c9\uf7bbt\uf7cf\uf7a8\uf7ca' + encoded = b'aa' + decoded = 'aa' + assert decode(encoded, 'x-user-defined') == (decoded, lookup('x-user-defined')) + assert encode(decoded, 'x-user-defined') == encoded diff --git a/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/x_user_defined.py b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/x_user_defined.py new file mode 100644 index 0000000..d16e326 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/webencodings/x_user_defined.py @@ -0,0 +1,325 @@ +# coding: utf-8 +""" + + webencodings.x_user_defined + ~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + An implementation of the x-user-defined encoding. + + :copyright: Copyright 2012 by Simon Sapin + :license: BSD, see LICENSE for details. + +""" + +from __future__ import unicode_literals + +import codecs + + +### Codec APIs + +class Codec(codecs.Codec): + + def encode(self, input, errors='strict'): + return codecs.charmap_encode(input, errors, encoding_table) + + def decode(self, input, errors='strict'): + return codecs.charmap_decode(input, errors, decoding_table) + + +class IncrementalEncoder(codecs.IncrementalEncoder): + def encode(self, input, final=False): + return codecs.charmap_encode(input, self.errors, encoding_table)[0] + + +class IncrementalDecoder(codecs.IncrementalDecoder): + def decode(self, input, final=False): + return codecs.charmap_decode(input, self.errors, decoding_table)[0] + + +class StreamWriter(Codec, codecs.StreamWriter): + pass + + +class StreamReader(Codec, codecs.StreamReader): + pass + + +### encodings module API + +codec_info = codecs.CodecInfo( + name='x-user-defined', + encode=Codec().encode, + decode=Codec().decode, + incrementalencoder=IncrementalEncoder, + incrementaldecoder=IncrementalDecoder, + streamreader=StreamReader, + streamwriter=StreamWriter, +) + + +### Decoding Table + +# Python 3: +# for c in range(256): print(' %r' % chr(c if c < 128 else c + 0xF700)) +decoding_table = ( + '\x00' + '\x01' + '\x02' + '\x03' + '\x04' + '\x05' + '\x06' + '\x07' + '\x08' + '\t' + '\n' + '\x0b' + '\x0c' + '\r' + '\x0e' + '\x0f' + '\x10' + '\x11' + '\x12' + '\x13' + '\x14' + '\x15' + '\x16' + '\x17' + '\x18' + '\x19' + '\x1a' + '\x1b' + '\x1c' + '\x1d' + '\x1e' + '\x1f' + ' ' + '!' + '"' + '#' + '$' + '%' + '&' + "'" + '(' + ')' + '*' + '+' + ',' + '-' + '.' + '/' + '0' + '1' + '2' + '3' + '4' + '5' + '6' + '7' + '8' + '9' + ':' + ';' + '<' + '=' + '>' + '?' + '@' + 'A' + 'B' + 'C' + 'D' + 'E' + 'F' + 'G' + 'H' + 'I' + 'J' + 'K' + 'L' + 'M' + 'N' + 'O' + 'P' + 'Q' + 'R' + 'S' + 'T' + 'U' + 'V' + 'W' + 'X' + 'Y' + 'Z' + '[' + '\\' + ']' + '^' + '_' + '`' + 'a' + 'b' + 'c' + 'd' + 'e' + 'f' + 'g' + 'h' + 'i' + 'j' + 'k' + 'l' + 'm' + 'n' + 'o' + 'p' + 'q' + 'r' + 's' + 't' + 'u' + 'v' + 'w' + 'x' + 'y' + 'z' + '{' + '|' + '}' + '~' + '\x7f' + '\uf780' + '\uf781' + '\uf782' + '\uf783' + '\uf784' + '\uf785' + '\uf786' + '\uf787' + '\uf788' + '\uf789' + '\uf78a' + '\uf78b' + '\uf78c' + '\uf78d' + '\uf78e' + '\uf78f' + '\uf790' + '\uf791' + '\uf792' + '\uf793' + '\uf794' + '\uf795' + '\uf796' + '\uf797' + '\uf798' + '\uf799' + '\uf79a' + '\uf79b' + '\uf79c' + '\uf79d' + '\uf79e' + '\uf79f' + '\uf7a0' + '\uf7a1' + '\uf7a2' + '\uf7a3' + '\uf7a4' + '\uf7a5' + '\uf7a6' + '\uf7a7' + '\uf7a8' + '\uf7a9' + '\uf7aa' + '\uf7ab' + '\uf7ac' + '\uf7ad' + '\uf7ae' + '\uf7af' + '\uf7b0' + '\uf7b1' + '\uf7b2' + '\uf7b3' + '\uf7b4' + '\uf7b5' + '\uf7b6' + '\uf7b7' + '\uf7b8' + '\uf7b9' + '\uf7ba' + '\uf7bb' + '\uf7bc' + '\uf7bd' + '\uf7be' + '\uf7bf' + '\uf7c0' + '\uf7c1' + '\uf7c2' + '\uf7c3' + '\uf7c4' + '\uf7c5' + '\uf7c6' + '\uf7c7' + '\uf7c8' + '\uf7c9' + '\uf7ca' + '\uf7cb' + '\uf7cc' + '\uf7cd' + '\uf7ce' + '\uf7cf' + '\uf7d0' + '\uf7d1' + '\uf7d2' + '\uf7d3' + '\uf7d4' + '\uf7d5' + '\uf7d6' + '\uf7d7' + '\uf7d8' + '\uf7d9' + '\uf7da' + '\uf7db' + '\uf7dc' + '\uf7dd' + '\uf7de' + '\uf7df' + '\uf7e0' + '\uf7e1' + '\uf7e2' + '\uf7e3' + '\uf7e4' + '\uf7e5' + '\uf7e6' + '\uf7e7' + '\uf7e8' + '\uf7e9' + '\uf7ea' + '\uf7eb' + '\uf7ec' + '\uf7ed' + '\uf7ee' + '\uf7ef' + '\uf7f0' + '\uf7f1' + '\uf7f2' + '\uf7f3' + '\uf7f4' + '\uf7f5' + '\uf7f6' + '\uf7f7' + '\uf7f8' + '\uf7f9' + '\uf7fa' + '\uf7fb' + '\uf7fc' + '\uf7fd' + '\uf7fe' + '\uf7ff' +) + +### Encoding table +encoding_table = codecs.charmap_build(decoding_table) diff --git a/venv/lib/python3.7/site-packages/pykka/__init__.py b/venv/lib/python3.7/site-packages/pykka/__init__.py new file mode 100644 index 0000000..1135b0c --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/__init__.py @@ -0,0 +1,32 @@ +import logging as _logging + +from pykka._exceptions import ActorDeadError, Timeout +from pykka._future import Future, get_all +from pykka._proxy import ActorProxy, CallableProxy, traversable +from pykka._ref import ActorRef +from pykka._registry import ActorRegistry +from pykka._actor import Actor # noqa: Must be imported late +from pykka._threading import ThreadingActor, ThreadingFuture + + +__all__ = [ + 'Actor', + 'ActorDeadError', + 'ActorProxy', + 'ActorRef', + 'ActorRegistry', + 'CallableProxy', + 'Future', + 'ThreadingActor', + 'ThreadingFuture', + 'Timeout', + 'get_all', + 'traversable', +] + + +#: Pykka's :pep:`396` and :pep:`440` compatible version number +__version__ = '2.0.2' + + +_logging.getLogger('pykka').addHandler(_logging.NullHandler()) diff --git a/venv/lib/python3.7/site-packages/pykka/_actor.py b/venv/lib/python3.7/site-packages/pykka/_actor.py new file mode 100644 index 0000000..87c995f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_actor.py @@ -0,0 +1,356 @@ +from __future__ import absolute_import + +import logging +import sys +import threading +import uuid + +from pykka import ActorDeadError, ActorRef, ActorRegistry, messages + + +__all__ = ['Actor'] + +logger = logging.getLogger('pykka') + + +class Actor(object): + """ + To create an actor: + + 1. subclass one of the :class:`Actor` implementations: + + - :class:`~pykka.ThreadingActor` + - :class:`~pykka.gevent.GeventActor` + - :class:`~pykka.eventlet.EventletActor` + + 2. implement your methods, including :meth:`__init__`, as usual, + 3. call :meth:`Actor.start` on your actor class, passing the method any + arguments for your constructor. + + To stop an actor, call :meth:`Actor.stop()` or :meth:`ActorRef.stop()`. + + For example:: + + import pykka + + class MyActor(pykka.ThreadingActor): + def __init__(self, my_arg=None): + super().__init__() + ... # My optional init code with access to start() arguments + + def on_start(self): + ... # My optional setup code in same context as on_receive() + + def on_stop(self): + ... # My optional cleanup code in same context as on_receive() + + def on_failure(self, exception_type, exception_value, traceback): + ... # My optional cleanup code in same context as on_receive() + + def on_receive(self, message): + ... # My optional message handling code for a plain actor + + def a_method(self, ...): + ... # My regular method to be used through an ActorProxy + + my_actor_ref = MyActor.start(my_arg=...) + my_actor_ref.stop() + """ + + @classmethod + def start(cls, *args, **kwargs): + """ + Start an actor and register it in the + :class:`ActorRegistry <pykka.ActorRegistry>`. + + Any arguments passed to :meth:`start` will be passed on to the class + constructor. + + Behind the scenes, the following is happening when you call + :meth:`start`: + + 1. The actor is created: + + 1. :attr:`actor_urn` is initialized with the assigned URN. + + 2. :attr:`actor_inbox` is initialized with a new actor inbox. + + 3. :attr:`actor_ref` is initialized with a :class:`pykka.ActorRef` + object for safely communicating with the actor. + + 4. At this point, your :meth:`__init__()` code can run. + + 2. The actor is registered in :class:`pykka.ActorRegistry`. + + 3. The actor receive loop is started by the actor's associated + thread/greenlet. + + :returns: a :class:`ActorRef` which can be used to access the actor in + a safe manner + """ + obj = cls(*args, **kwargs) + assert obj.actor_ref is not None, ( + 'Actor.__init__() have not been called. ' + 'Did you forget to call super() in your override?' + ) + ActorRegistry.register(obj.actor_ref) + logger.debug('Starting {}'.format(obj)) + obj._start_actor_loop() + return obj.actor_ref + + @staticmethod + def _create_actor_inbox(): + """Internal method for implementors of new actor types.""" + raise NotImplementedError('Use a subclass of Actor') + + @staticmethod + def _create_future(): + """Internal method for implementors of new actor types.""" + raise NotImplementedError('Use a subclass of Actor') + + def _start_actor_loop(self): + """Internal method for implementors of new actor types.""" + raise NotImplementedError('Use a subclass of Actor') + + #: The actor URN string is a universally unique identifier for the actor. + #: It may be used for looking up a specific actor using + #: :meth:`ActorRegistry.get_by_urn`. + actor_urn = None + + #: The actor's inbox. Use :meth:`ActorRef.tell`, :meth:`ActorRef.ask`, and + #: friends to put messages in the inbox. + actor_inbox = None + + #: The actor's :class:`ActorRef` instance. + actor_ref = None + + #: A :class:`threading.Event` representing whether or not the actor should + #: continue processing messages. Use :meth:`stop` to change it. + actor_stopped = None + + def __init__(self, *args, **kwargs): + """ + Your are free to override :meth:`__init__`, but you must call your + superclass' :meth:`__init__` to ensure that fields :attr:`actor_urn`, + :attr:`actor_inbox`, and :attr:`actor_ref` are initialized. + + You can use :func:`super`:: + + super().__init__() + + Or call you superclass directly:: + + pykka.ThreadingActor.__init__(self) + # or + pykka.gevent.GeventActor.__init__(self) + + :meth:`__init__` is called before the actor is started and registered + in :class:`ActorRegistry <pykka.ActorRegistry>`. + """ + self.actor_urn = uuid.uuid4().urn + self.actor_inbox = self._create_actor_inbox() + self.actor_stopped = threading.Event() + + self.actor_ref = ActorRef(self) + + def __str__(self): + return '{} ({})'.format(self.__class__.__name__, self.actor_urn) + + def stop(self): + """ + Stop the actor. + + It's equivalent to calling :meth:`ActorRef.stop` with ``block=False``. + """ + self.actor_ref.tell(messages._ActorStop()) + + def _stop(self): + """ + Stops the actor immediately without processing the rest of the inbox. + """ + ActorRegistry.unregister(self.actor_ref) + self.actor_stopped.set() + logger.debug('Stopped {}'.format(self)) + try: + self.on_stop() + except Exception: + self._handle_failure(*sys.exc_info()) + + def _actor_loop(self): + """ + The actor's event loop. + + This is the method that will be executed by the thread or greenlet. + """ + try: + self.on_start() + except Exception: + self._handle_failure(*sys.exc_info()) + + while not self.actor_stopped.is_set(): + envelope = self.actor_inbox.get() + try: + response = self._handle_receive(envelope.message) + if envelope.reply_to is not None: + envelope.reply_to.set(response) + except Exception: + if envelope.reply_to is not None: + logger.info( + 'Exception returned from {} to caller:'.format(self), + exc_info=sys.exc_info(), + ) + envelope.reply_to.set_exception() + else: + self._handle_failure(*sys.exc_info()) + try: + self.on_failure(*sys.exc_info()) + except Exception: + self._handle_failure(*sys.exc_info()) + except BaseException: + exception_value = sys.exc_info()[1] + logger.debug( + '{!r} in {}. Stopping all actors.'.format( + exception_value, self + ) + ) + self._stop() + ActorRegistry.stop_all() + + while not self.actor_inbox.empty(): + envelope = self.actor_inbox.get() + if envelope.reply_to is not None: + if isinstance(envelope.message, messages._ActorStop): + envelope.reply_to.set(None) + else: + envelope.reply_to.set_exception( + exc_info=( + ActorDeadError, + ActorDeadError( + '{} stopped before handling the message'.format( + self.actor_ref + ) + ), + None, + ) + ) + + def on_start(self): + """ + Hook for doing any setup that should be done *after* the actor is + started, but *before* it starts processing messages. + + For :class:`ThreadingActor`, this method is executed in the actor's own + thread, while :meth:`__init__` is executed in the thread that created + the actor. + + If an exception is raised by this method the stack trace will be + logged, and the actor will stop. + """ + pass + + def on_stop(self): + """ + Hook for doing any cleanup that should be done *after* the actor has + processed the last message, and *before* the actor stops. + + This hook is *not* called when the actor stops because of an unhandled + exception. In that case, the :meth:`on_failure` hook is called instead. + + For :class:`ThreadingActor` this method is executed in the actor's own + thread, immediately before the thread exits. + + If an exception is raised by this method the stack trace will be + logged, and the actor will stop. + """ + pass + + def _handle_failure(self, exception_type, exception_value, traceback): + """Logs unexpected failures, unregisters and stops the actor.""" + logger.error( + 'Unhandled exception in {}:'.format(self), + exc_info=(exception_type, exception_value, traceback), + ) + ActorRegistry.unregister(self.actor_ref) + self.actor_stopped.set() + + def on_failure(self, exception_type, exception_value, traceback): + """ + Hook for doing any cleanup *after* an unhandled exception is raised, + and *before* the actor stops. + + For :class:`ThreadingActor` this method is executed in the actor's own + thread, immediately before the thread exits. + + The method's arguments are the relevant information from + :func:`sys.exc_info`. + + If an exception is raised by this method the stack trace will be + logged, and the actor will stop. + """ + pass + + def _handle_receive(self, message): + """Handles messages sent to the actor.""" + message = messages._upgrade_internal_message(message) + if isinstance(message, messages._ActorStop): + return self._stop() + if isinstance(message, messages.ProxyCall): + callee = self._get_attribute_from_path(message.attr_path) + return callee(*message.args, **message.kwargs) + if isinstance(message, messages.ProxyGetAttr): + attr = self._get_attribute_from_path(message.attr_path) + return attr + if isinstance(message, messages.ProxySetAttr): + parent_attr = self._get_attribute_from_path(message.attr_path[:-1]) + attr_name = message.attr_path[-1] + return setattr(parent_attr, attr_name, message.value) + return self.on_receive(message) + + def on_receive(self, message): + """ + May be implemented for the actor to handle regular non-proxy messages. + + :param message: the message to handle + :type message: any + + :returns: anything that should be sent as a reply to the sender + """ + logger.warning( + 'Unexpected message received by {}: {}'.format(self, message) + ) + + def _get_attribute_from_path(self, attr_path): + """ + Traverses the path and returns the attribute at the end of the path. + """ + attr = self + for attr_name in attr_path: + attr = getattr(attr, attr_name) + return attr + + def _introspect_attribute_from_path(self, attr_path): + """Get attribute information from ``__dict__`` on the container.""" + if not attr_path: + return self + + parent = self._get_attribute_from_path(attr_path[:-1]) + parent_attrs = self._introspect_attributes(parent) + attr_name = attr_path[-1] + + try: + return parent_attrs[attr_name] + except KeyError: + raise AttributeError( + 'type object {!r} has no attribute {!r}'.format( + parent.__class__.__name__, attr_name + ) + ) + + def _introspect_attributes(self, obj): + """Combine ``__dict__`` from ``obj`` and all its superclasses.""" + result = {} + for cls in reversed(obj.__class__.mro()): + result.update(cls.__dict__) + if hasattr(obj, '__dict__'): + result.update(obj.__dict__) + return result diff --git a/venv/lib/python3.7/site-packages/pykka/_compat/__init__.py b/venv/lib/python3.7/site-packages/pykka/_compat/__init__.py new file mode 100644 index 0000000..0f00cf4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_compat/__init__.py @@ -0,0 +1,36 @@ +import sys + + +PY2 = sys.version_info[0] == 2 + +if PY2: + import Queue as queue # noqa + from collections import Callable, Iterable # noqa + + string_types = basestring # noqa + + def reraise(tp, value, tb=None): + exec('raise tp, value, tb') + + await_dunder_future = None + await_keyword = None + +else: + import queue # noqa + from collections.abc import Callable, Iterable # noqa + + string_types = (str,) + + def reraise(tp, value, tb=None): + if value is None: + value = tp() + if value.__traceback__ is not tb: + raise value.with_traceback(tb) + raise value + + # `async def` and return inside a generator are syntax errors on Python 2 + # so these must be hidden behind a conditional import. + from pykka._compat.await_py3 import ( # noqa + await_dunder_future, + await_keyword, + ) diff --git a/venv/lib/python3.7/site-packages/pykka/_compat/await_py3.py b/venv/lib/python3.7/site-packages/pykka/_compat/await_py3.py new file mode 100644 index 0000000..73fafe8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_compat/await_py3.py @@ -0,0 +1,8 @@ +def await_dunder_future(self): + yield + value = self.get() + return value + + +async def await_keyword(val): + return await val diff --git a/venv/lib/python3.7/site-packages/pykka/_envelope.py b/venv/lib/python3.7/site-packages/pykka/_envelope.py new file mode 100644 index 0000000..9e19a8e --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_envelope.py @@ -0,0 +1,23 @@ +class Envelope(object): + """ + Envelope to add metadata to a message. + + This is an internal type and is not part of the public API. + + :param message: the message to send + :type message: any + :param reply_to: the future to reply to if there is a response + :type reply_to: :class:`pykka.Future` + """ + + # Using slots speeds up envelope creation with ~20% + __slots__ = ['message', 'reply_to'] + + def __init__(self, message, reply_to=None): + self.message = message + self.reply_to = reply_to + + def __repr__(self): + return 'Envelope(message={!r}, reply_to={!r})'.format( + self.message, self.reply_to + ) diff --git a/venv/lib/python3.7/site-packages/pykka/_exceptions.py b/venv/lib/python3.7/site-packages/pykka/_exceptions.py new file mode 100644 index 0000000..8523ca0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_exceptions.py @@ -0,0 +1,13 @@ +__all__ = ['ActorDeadError', 'Timeout'] + + +class ActorDeadError(Exception): + """Exception raised when trying to use a dead or unavailable actor.""" + + pass + + +class Timeout(Exception): + """Exception raised at future timeout.""" + + pass diff --git a/venv/lib/python3.7/site-packages/pykka/_future.py b/venv/lib/python3.7/site-packages/pykka/_future.py new file mode 100644 index 0000000..50b892d --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_future.py @@ -0,0 +1,264 @@ +import functools + +from pykka import _compat + + +__all__ = ['Future', 'get_all'] + + +class Future(object): + """ + A :class:`Future` is a handle to a value which is available or will be + available in the future. + + Typically returned by calls to actor methods or accesses to actor fields. + + To get hold of the encapsulated value, call :meth:`Future.get` or, if + using Python 3.5+, ``await`` the future. + """ + + def __init__(self): + super(Future, self).__init__() + self._get_hook = None + self._get_hook_result = None + + def get(self, timeout=None): + """ + Get the value encapsulated by the future. + + If the encapsulated value is an exception, it is raised instead of + returned. + + If ``timeout`` is :class:`None`, as default, the method will block + until it gets a reply, potentially forever. If ``timeout`` is an + integer or float, the method will wait for a reply for ``timeout`` + seconds, and then raise :exc:`pykka.Timeout`. + + The encapsulated value can be retrieved multiple times. The future will + only block the first time the value is accessed. + + :param timeout: seconds to wait before timeout + :type timeout: float or :class:`None` + + :raise: :exc:`pykka.Timeout` if timeout is reached + :raise: encapsulated value if it is an exception + :return: encapsulated value if it is not an exception + """ + if self._get_hook is not None: + if self._get_hook_result is None: + self._get_hook_result = self._get_hook(timeout) + return self._get_hook_result + raise NotImplementedError + + def set(self, value=None): + """ + Set the encapsulated value. + + :param value: the encapsulated value or nothing + :type value: any object or :class:`None` + :raise: an exception if set is called multiple times + """ + raise NotImplementedError + + def set_exception(self, exc_info=None): + """ + Set an exception as the encapsulated value. + + You can pass an ``exc_info`` three-tuple, as returned by + :func:`sys.exc_info`. If you don't pass ``exc_info``, + :func:`sys.exc_info` will be called and the value returned by it used. + + In other words, if you're calling :meth:`set_exception`, without any + arguments, from an except block, the exception you're currently + handling will automatically be set on the future. + + :param exc_info: the encapsulated exception + :type exc_info: three-tuple of (exc_class, exc_instance, traceback) + """ + raise NotImplementedError + + def set_get_hook(self, func): + """ + Set a function to be executed when :meth:`get` is called. + + The function will be called when :meth:`get` is called, with the + ``timeout`` value as the only argument. The function's return value + will be returned from :meth:`get`. + + .. versionadded:: 1.2 + + :param func: called to produce return value of :meth:`get` + :type func: function accepting a timeout value + """ + self._get_hook = func + + def filter(self, func): + """ + Return a new future with only the items passing the predicate function. + + If the future's value is an iterable, :meth:`filter` will return a new + future whose value is another iterable with only the items from the + first iterable for which ``func(item)`` is true. If the future's value + isn't an iterable, a :exc:`TypeError` will be raised when :meth:`get` + is called. + + Example:: + + >>> import pykka + >>> f = pykka.ThreadingFuture() + >>> g = f.filter(lambda x: x > 10) + >>> g + <pykka.future.ThreadingFuture at ...> + >>> f.set(range(5, 15)) + >>> f.get() + [5, 6, 7, 8, 9, 10, 11, 12, 13, 14] + >>> g.get() + [11, 12, 13, 14] + + .. versionadded:: 1.2 + """ + future = self.__class__() + future.set_get_hook( + lambda timeout: list(filter(func, self.get(timeout))) + ) + return future + + def join(self, *futures): + """ + Return a new future with a list of the result of multiple futures. + + One or more futures can be passed as arguments to :meth:`join`. The new + future returns a list with the results from all the joined futures. + + Example:: + + >>> import pykka + >>> a = pykka.ThreadingFuture() + >>> b = pykka.ThreadingFuture() + >>> c = pykka.ThreadingFuture() + >>> f = a.join(b, c) + >>> a.set('def') + >>> b.set(123) + >>> c.set(False) + >>> f.get() + ['def', 123, False] + + .. versionadded:: 1.2 + """ + future = self.__class__() + future.set_get_hook( + lambda timeout: [f.get(timeout) for f in [self] + list(futures)] + ) + return future + + def map(self, func): + """ + Return a new future with the result of the future passed through a + function. + + Example:: + + >>> import pykka + >>> f = pykka.ThreadingFuture() + >>> g = f.map(lambda x: x + 10) + >>> f.set(30) + >>> g.get() + 40 + + >>> f = pykka.ThreadingFuture() + >>> g = f.map(lambda x: x['foo']) + >>> f.set({'foo': 'bar'}}) + >>> g.get() + 'bar' + + .. versionadded:: 1.2 + + .. versionchanged:: 2.0 + Previously, if the future's result was an iterable (except a + string), the function was applied to each item in the iterable. + This behavior is unpredictable and makes regular use cases like + extracting a single field from a dict difficult, thus the + behavior has been simplified. Now, the entire result value is + passed to the function. + """ + future = self.__class__() + future.set_get_hook(lambda timeout: func(self.get(timeout))) + return future + + def reduce(self, func, *args): + """ + reduce(func[, initial]) + + Return a new future with the result of reducing the future's iterable + into a single value. + + The function of two arguments is applied cumulatively to the items of + the iterable, from left to right. The result of the first function call + is used as the first argument to the second function call, and so on, + until the end of the iterable. If the future's value isn't an iterable, + a :exc:`TypeError` is raised. + + :meth:`reduce` accepts an optional second argument, which will be used + as an initial value in the first function call. If the iterable is + empty, the initial value is returned. + + Example:: + + >>> import pykka + >>> f = pykka.ThreadingFuture() + >>> g = f.reduce(lambda x, y: x + y) + >>> f.set(['a', 'b', 'c']) + >>> g.get() + 'abc' + + >>> f = pykka.ThreadingFuture() + >>> g = f.reduce(lambda x, y: x + y) + >>> f.set([1, 2, 3]) + >>> (1 + 2) + 3 + 6 + >>> g.get() + 6 + + >>> f = pykka.ThreadingFuture() + >>> g = f.reduce(lambda x, y: x + y, 5) + >>> f.set([1, 2, 3]) + >>> ((5 + 1) + 2) + 3 + 11 + >>> g.get() + 11 + + >>> f = pykka.ThreadingFuture() + >>> g = f.reduce(lambda x, y: x + y, 5) + >>> f.set([]) + >>> g.get() + 5 + + .. versionadded:: 1.2 + """ + future = self.__class__() + future.set_get_hook( + lambda timeout: functools.reduce(func, self.get(timeout), *args) + ) + return future + + __await__ = _compat.await_dunder_future + __iter__ = __await__ + + +def get_all(futures, timeout=None): + """ + Collect all values encapsulated in the list of futures. + + If ``timeout`` is not :class:`None`, the method will wait for a reply for + ``timeout`` seconds, and then raise :exc:`pykka.Timeout`. + + :param futures: futures for the results to collect + :type futures: list of :class:`pykka.Future` + + :param timeout: seconds to wait before timeout + :type timeout: float or :class:`None` + + :raise: :exc:`pykka.Timeout` if timeout is reached + :returns: list of results + """ + return [future.get(timeout=timeout) for future in futures] diff --git a/venv/lib/python3.7/site-packages/pykka/_proxy.py b/venv/lib/python3.7/site-packages/pykka/_proxy.py new file mode 100644 index 0000000..843b839 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_proxy.py @@ -0,0 +1,357 @@ +from __future__ import absolute_import + +import logging + +from pykka import ActorDeadError, _compat, messages + + +__all__ = ['ActorProxy'] + +logger = logging.getLogger('pykka') + + +class ActorProxy(object): + """ + An :class:`ActorProxy` wraps an :class:`ActorRef <pykka.ActorRef>` + instance. The proxy allows the referenced actor to be used through regular + method calls and field access. + + You can create an :class:`ActorProxy` from any :class:`ActorRef + <pykka.ActorRef>`:: + + actor_ref = MyActor.start() + actor_proxy = ActorProxy(actor_ref) + + You can also get an :class:`ActorProxy` by using :meth:`proxy() + <pykka.ActorRef.proxy>`:: + + actor_proxy = MyActor.start().proxy() + + **Attributes and method calls** + + When reading an attribute or getting a return value from a method, you get + a :class:`Future <pykka.Future>` object back. To get the enclosed value + from the future, you must call :meth:`get() <pykka.Future.get>` on the + returned future:: + + print(actor_proxy.string_attribute.get()) + print(actor_proxy.count().get() + 1) + + If you call a method just for it's side effects and do not care about the + return value, you do not need to accept the returned future or call + :meth:`get() <pykka.Future.get>` on the future. Simply call the method, and + it will be executed concurrently with your own code:: + + actor_proxy.method_with_side_effect() + + If you want to block your own code from continuing while the other method + is processing, you can use :meth:`get() <pykka.Future.get>` to block until + it completes:: + + actor_proxy.method_with_side_effect().get() + + If you're using Python 3.5+, you can also use the ``await`` keyword to + block until the method completes:: + + await actor_proxy.method_with_side_effect() + + If you access a proxied method as an attribute, without calling it, you + get an :class:`CallableProxy`. + + **Proxy to itself** + + An actor can use a proxy to itself to schedule work for itself. The + scheduled work will only be done after the current message and all messages + already in the inbox are processed. + + For example, if an actor can split a time consuming task into multiple + parts, and after completing each part can ask itself to start on the next + part using proxied calls or messages to itself, it can react faster to + other incoming messages as they will be interleaved with the parts of the + time consuming task. This is especially useful for being able to stop the + actor in the middle of a time consuming task. + + To create a proxy to yourself, use the actor's :attr:`actor_ref + <pykka.Actor.actor_ref>` attribute:: + + proxy_to_myself_in_the_future = self.actor_ref.proxy() + + If you create a proxy in your actor's constructor or :meth:`on_start + <pykka.Actor.on_start>` method, you can create a nice API for deferring + work to yourself in the future:: + + def __init__(self): + ... + self._in_future = self.actor_ref.proxy() + ... + + def do_work(self): + ... + self._in_future.do_more_work() + ... + + def do_more_work(self): + ... + + To avoid infinite loops during proxy introspection, proxies to self + should be kept as private instance attributes by prefixing the attribute + name with ``_``. + + **Examples** + + An example of :class:`ActorProxy` usage: + + .. literalinclude:: ../../examples/counter.py + + :param actor_ref: reference to the actor to proxy + :type actor_ref: :class:`pykka.ActorRef` + + :raise: :exc:`pykka.ActorDeadError` if actor is not available + """ + + #: The actor's :class:`pykka.ActorRef` instance. + actor_ref = None + + def __init__(self, actor_ref, attr_path=None): + if not actor_ref.is_alive(): + raise ActorDeadError('{} not found'.format(actor_ref)) + self.actor_ref = actor_ref + self._actor = actor_ref._actor + self._attr_path = attr_path or tuple() + self._known_attrs = self._introspect_attributes() + self._actor_proxies = {} + self._callable_proxies = {} + + def _introspect_attributes(self): + """Introspects the actor's attributes.""" + result = {} + attr_paths_to_visit = [[attr_name] for attr_name in dir(self._actor)] + + while attr_paths_to_visit: + attr_path = attr_paths_to_visit.pop(0) + + if not self._is_exposable_attribute(attr_path[-1]): + continue + + attr = self._actor._introspect_attribute_from_path(attr_path) + + if self._is_self_proxy(attr): + logger.warning( + ( + '{} attribute {!r} is a proxy to itself. ' + 'Consider making it private by renaming it to {!r}.' + ).format( + self._actor, '.'.join(attr_path), '_' + attr_path[-1] + ) + ) + continue + + traversable = self._is_traversable_attribute(attr) + result[tuple(attr_path)] = { + 'callable': self._is_callable_attribute(attr), + 'traversable': traversable, + } + + if traversable: + for attr_name in dir(attr): + attr_paths_to_visit.append(attr_path + [attr_name]) + + return result + + def _is_exposable_attribute(self, attr_name): + """ + Returns true for any attribute name that may be exposed through + :class:`ActorProxy`. + """ + return not attr_name.startswith('_') + + def _is_self_proxy(self, attr): + """Returns true if attribute is an equivalent actor proxy.""" + return attr == self + + def _is_callable_attribute(self, attr): + """Returns true for any attribute that is callable.""" + return isinstance(attr, _compat.Callable) + + def _is_traversable_attribute(self, attr): + """ + Returns true for any attribute that may be traversed from another + actor through a proxy. + """ + return ( + getattr(attr, '_pykka_traversable', False) is True + or getattr(attr, 'pykka_traversable', False) is True + ) + + def __eq__(self, other): + if not isinstance(other, ActorProxy): + return False + if self._actor != other._actor: + return False + if self._attr_path != other._attr_path: + return False + return True + + def __hash__(self): + return hash((self._actor, self._attr_path)) + + def __repr__(self): + return '<ActorProxy for {}, attr_path={!r}>'.format( + self.actor_ref, self._attr_path + ) + + def __dir__(self): + result = ['__class__'] + result += list(self.__class__.__dict__.keys()) + result += list(self.__dict__.keys()) + result += [attr_path[0] for attr_path in list(self._known_attrs.keys())] + return sorted(result) + + def __getattr__(self, name): + """Get a field or callable from the actor.""" + attr_path = self._attr_path + (name,) + + if attr_path not in self._known_attrs: + self._known_attrs = self._introspect_attributes() + + attr_info = self._known_attrs.get(attr_path) + if attr_info is None: + raise AttributeError('{} has no attribute {!r}'.format(self, name)) + + if attr_info['callable']: + if attr_path not in self._callable_proxies: + self._callable_proxies[attr_path] = CallableProxy( + self.actor_ref, attr_path + ) + return self._callable_proxies[attr_path] + elif attr_info['traversable']: + if attr_path not in self._actor_proxies: + self._actor_proxies[attr_path] = ActorProxy( + self.actor_ref, attr_path + ) + return self._actor_proxies[attr_path] + else: + message = messages.ProxyGetAttr(attr_path=attr_path) + return self.actor_ref.ask(message, block=False) + + def __setattr__(self, name, value): + """ + Set a field on the actor. + + Blocks until the field is set to check if any exceptions was raised. + """ + if name == 'actor_ref' or name.startswith('_'): + return super(ActorProxy, self).__setattr__(name, value) + attr_path = self._attr_path + (name,) + message = messages.ProxySetAttr(attr_path=attr_path, value=value) + return self.actor_ref.ask(message) + + +class CallableProxy(object): + """Proxy to a single method. + + :class:`CallableProxy` instances are returned when accessing methods on a + :class:`ActorProxy` without calling them. + + Example:: + + proxy = AnActor.start().proxy() + + # Ask semantics returns a future. See `__call__()` docs. + future = proxy.do_work() + + # Tell semantics are fire and forget. See `defer()` docs. + proxy.do_work.defer() + """ + + def __init__(self, actor_ref, attr_path): + self.actor_ref = actor_ref + self._attr_path = attr_path + + def __call__(self, *args, **kwargs): + """Call with :meth:`~pykka.ActorRef.ask` semantics. + + Returns a future which will yield the called method's return value. + + If the call raises an exception is set on the future, and will be + reraised by :meth:`~pykka.Future.get`. If the future is left unused, + the exception will not be reraised. Either way, the exception will + also be logged. See :ref:`logging` for details. + """ + message = messages.ProxyCall( + attr_path=self._attr_path, args=args, kwargs=kwargs + ) + return self.actor_ref.ask(message, block=False) + + def defer(self, *args, **kwargs): + """Call with :meth:`~pykka.ActorRef.tell` semantics. + + Does not create or return a future. + + If the call raises an exception, there is no future to set the + exception on. Thus, the actor's :meth:`~pykka.Actor.on_failure` hook + is called instead. + + .. versionadded:: 2.0 + """ + message = messages.ProxyCall( + attr_path=self._attr_path, args=args, kwargs=kwargs + ) + return self.actor_ref.tell(message) + + +def traversable(obj): + """Marks an actor attribute as traversable. + + The traversable marker makes the actor attribute's own methods and + attributes available to users of the actor through an + :class:`~pykka.ActorProxy`. + + Used as a function to mark a single attribute:: + + class AnActor(pykka.ThreadingActor): + playback = pykka.traversable(Playback()) + + class Playback(object): + def play(self): + return True + + This function can also be used as a class decorator, making all instances + of the class traversable:: + + class AnActor(pykka.ThreadingActor): + playback = Playback() + + @pykka.traversable + class Playback(object): + def play(self): + return True + + The third alternative, and the only way in Pykka < 2.0, is to manually + mark a class as traversable by setting the ``pykka_traversable`` attribute + to :class:`True`:: + + class AnActor(pykka.ThreadingActor): + playback = Playback() + + class Playback(object): + pykka_traversable = True + + def play(self): + return True + + When the attribute is marked as traversable, its methods can be executed + in the context of the actor through an actor proxy:: + + proxy = AnActor.start().proxy() + assert proxy.playback.play().get() is True + + .. versionadded:: 2.0 + """ + if hasattr(obj, '__slots__'): + raise Exception( + 'pykka.traversable() cannot be used to mark ' + 'an object using slots as traversable.' + ) + obj._pykka_traversable = True + return obj diff --git a/venv/lib/python3.7/site-packages/pykka/_ref.py b/venv/lib/python3.7/site-packages/pykka/_ref.py new file mode 100644 index 0000000..23d11cf --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_ref.py @@ -0,0 +1,171 @@ +from pykka import ActorDeadError, ActorProxy +from pykka._envelope import Envelope +from pykka.messages import _ActorStop + + +__all__ = ['ActorRef'] + + +class ActorRef(object): + """ + Reference to a running actor which may safely be passed around. + + :class:`ActorRef` instances are returned by :meth:`Actor.start` and the + lookup methods in :class:`ActorRegistry <pykka.ActorRegistry>`. You should + never need to create :class:`ActorRef` instances yourself. + + :param actor: the actor to wrap + :type actor: :class:`Actor` + """ + + #: The class of the referenced actor. + actor_class = None + + #: See :attr:`Actor.actor_urn`. + actor_urn = None + + #: See :attr:`Actor.actor_inbox`. + actor_inbox = None + + #: See :attr:`Actor.actor_stopped`. + actor_stopped = None + + def __init__(self, actor): + self._actor = actor + self.actor_class = actor.__class__ + self.actor_urn = actor.actor_urn + self.actor_inbox = actor.actor_inbox + self.actor_stopped = actor.actor_stopped + + def __repr__(self): + return '<ActorRef for {}>'.format(self) + + def __str__(self): + return '{} ({})'.format(self.actor_class.__name__, self.actor_urn) + + def is_alive(self): + """ + Check if actor is alive. + + This is based on the actor's stopped flag. The actor is not guaranteed + to be alive and responding even though :meth:`is_alive` returns + :class:`True`. + + :return: + Returns :class:`True` if actor is alive, :class:`False` otherwise. + """ + return not self.actor_stopped.is_set() + + def tell(self, message): + """ + Send message to actor without waiting for any response. + + Will generally not block, but if the underlying queue is full it will + block until a free slot is available. + + :param message: message to send + :type message: any + + :raise: :exc:`pykka.ActorDeadError` if actor is not available + :return: nothing + """ + if not self.is_alive(): + raise ActorDeadError('{} not found'.format(self)) + self.actor_inbox.put(Envelope(message)) + + def ask(self, message, block=True, timeout=None): + """ + Send message to actor and wait for the reply. + + The message can be of any type. + If ``block`` is :class:`False`, it will immediately return a + :class:`Future <pykka.Future>` instead of blocking. + + If ``block`` is :class:`True`, and ``timeout`` is :class:`None`, as + default, the method will block until it gets a reply, potentially + forever. If ``timeout`` is an integer or float, the method will wait + for a reply for ``timeout`` seconds, and then raise + :exc:`pykka.Timeout`. + + :param message: message to send + :type message: any + + :param block: whether to block while waiting for a reply + :type block: boolean + + :param timeout: seconds to wait before timeout if blocking + :type timeout: float or :class:`None` + + :raise: :exc:`pykka.Timeout` if timeout is reached if blocking + :raise: any exception returned by the receiving actor if blocking + :return: :class:`pykka.Future`, or response if blocking + """ + future = self.actor_class._create_future() + + try: + if not self.is_alive(): + raise ActorDeadError('{} not found'.format(self)) + except ActorDeadError: + future.set_exception() + else: + self.actor_inbox.put(Envelope(message, reply_to=future)) + + if block: + return future.get(timeout=timeout) + else: + return future + + def stop(self, block=True, timeout=None): + """ + Send a message to the actor, asking it to stop. + + Returns :class:`True` if actor is stopped or was being stopped at the + time of the call. :class:`False` if actor was already dead. If + ``block`` is :class:`False`, it returns a future wrapping the result. + + Messages sent to the actor before the actor is asked to stop will + be processed normally before it stops. + + Messages sent to the actor after the actor is asked to stop will + be replied to with :exc:`pykka.ActorDeadError` after it stops. + + The actor may not be restarted. + + ``block`` and ``timeout`` works as for :meth:`ask`. + + :return: :class:`pykka.Future`, or a boolean result if blocking + """ + ask_future = self.ask(_ActorStop(), block=False) + + def _stop_result_converter(timeout): + try: + ask_future.get(timeout=timeout) + return True + except ActorDeadError: + return False + + converted_future = ask_future.__class__() + converted_future.set_get_hook(_stop_result_converter) + + if block: + return converted_future.get(timeout=timeout) + else: + return converted_future + + def proxy(self): + """ + Wraps the :class:`ActorRef` in an :class:`ActorProxy + <pykka.ActorProxy>`. + + Using this method like this:: + + proxy = AnActor.start().proxy() + + is analogous to:: + + proxy = ActorProxy(AnActor.start()) + + :raise: :exc:`pykka.ActorDeadError` if actor is not available + :return: :class:`pykka.ActorProxy` + """ + return ActorProxy(self) diff --git a/venv/lib/python3.7/site-packages/pykka/_registry.py b/venv/lib/python3.7/site-packages/pykka/_registry.py new file mode 100644 index 0000000..1ee682b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_registry.py @@ -0,0 +1,171 @@ +from __future__ import absolute_import + +import logging +import threading + +from pykka import _compat + +logger = logging.getLogger('pykka') + + +__all__ = ['ActorRegistry'] + + +class ActorRegistry(object): + """ + Registry which provides easy access to all running actors. + + Contains global state, but should be thread-safe. + """ + + _actor_refs = [] + _actor_refs_lock = threading.RLock() + + @classmethod + def broadcast(cls, message, target_class=None): + """ + Broadcast ``message`` to all actors of the specified ``target_class``. + + If no ``target_class`` is specified, the message is broadcasted to all + actors. + + :param message: the message to send + :type message: any + + :param target_class: optional actor class to broadcast the message to + :type target_class: class or class name + """ + if isinstance(target_class, _compat.string_types): + targets = cls.get_by_class_name(target_class) + elif target_class is not None: + targets = cls.get_by_class(target_class) + else: + targets = cls.get_all() + for ref in targets: + ref.tell(message) + + @classmethod + def get_all(cls): + """ + Get :class:`ActorRef <pykka.ActorRef>` for all running actors. + + :returns: list of :class:`pykka.ActorRef` + """ + with cls._actor_refs_lock: + return cls._actor_refs[:] + + @classmethod + def get_by_class(cls, actor_class): + """ + Get :class:`ActorRef` for all running actors of the given class, or of + any subclass of the given class. + + :param actor_class: actor class, or any superclass of the actor + :type actor_class: class + + :returns: list of :class:`pykka.ActorRef` + """ + with cls._actor_refs_lock: + return [ + ref + for ref in cls._actor_refs + if issubclass(ref.actor_class, actor_class) + ] + + @classmethod + def get_by_class_name(cls, actor_class_name): + """ + Get :class:`ActorRef` for all running actors of the given class + name. + + :param actor_class_name: actor class name + :type actor_class_name: string + + :returns: list of :class:`pykka.ActorRef` + """ + with cls._actor_refs_lock: + return [ + ref + for ref in cls._actor_refs + if ref.actor_class.__name__ == actor_class_name + ] + + @classmethod + def get_by_urn(cls, actor_urn): + """ + Get an actor by its universally unique URN. + + :param actor_urn: actor URN + :type actor_urn: string + + :returns: :class:`pykka.ActorRef` or :class:`None` if not found + """ + with cls._actor_refs_lock: + refs = [ + ref for ref in cls._actor_refs if ref.actor_urn == actor_urn + ] + if refs: + return refs[0] + + @classmethod + def register(cls, actor_ref): + """ + Register an :class:`ActorRef` in the registry. + + This is done automatically when an actor is started, e.g. by calling + :meth:`Actor.start() <pykka.Actor.start>`. + + :param actor_ref: reference to the actor to register + :type actor_ref: :class:`pykka.ActorRef` + """ + with cls._actor_refs_lock: + cls._actor_refs.append(actor_ref) + logger.debug('Registered {}'.format(actor_ref)) + + @classmethod + def stop_all(cls, block=True, timeout=None): + """ + Stop all running actors. + + ``block`` and ``timeout`` works as for + :meth:`ActorRef.stop() <pykka.ActorRef.stop>`. + + If ``block`` is :class:`True`, the actors are guaranteed to be stopped + in the reverse of the order they were started in. This is helpful if + you have simple dependencies in between your actors, where it is + sufficient to shut down actors in a LIFO manner: last started, first + stopped. + + If you have more complex dependencies in between your actors, you + should take care to shut them down in the required order yourself, e.g. + by stopping dependees from a dependency's + :meth:`on_stop() <pykka.Actor.on_stop>` method. + + :returns: If not blocking, a list with a future for each stop action. + If blocking, a list of return values from + :meth:`pykka.ActorRef.stop`. + """ + return [ref.stop(block, timeout) for ref in reversed(cls.get_all())] + + @classmethod + def unregister(cls, actor_ref): + """ + Remove an :class:`ActorRef <pykka.ActorRef>` from the registry. + + This is done automatically when an actor is stopped, e.g. by calling + :meth:`Actor.stop() <pykka.Actor.stop>`. + + :param actor_ref: reference to the actor to unregister + :type actor_ref: :class:`pykka.ActorRef` + """ + removed = False + with cls._actor_refs_lock: + if actor_ref in cls._actor_refs: + cls._actor_refs.remove(actor_ref) + removed = True + if removed: + logger.debug('Unregistered {}'.format(actor_ref)) + else: + logger.debug( + 'Unregistered {} (not found in registry)'.format(actor_ref) + ) diff --git a/venv/lib/python3.7/site-packages/pykka/_threading.py b/venv/lib/python3.7/site-packages/pykka/_threading.py new file mode 100644 index 0000000..57faf85 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/_threading.py @@ -0,0 +1,97 @@ +from __future__ import absolute_import + +import sys +import threading + +from pykka import Actor, Future, Timeout, _compat + + +__all__ = ['ThreadingActor', 'ThreadingFuture'] + + +class ThreadingFuture(Future): + """ + :class:`ThreadingFuture` implements :class:`Future` for use with + :class:`ThreadingActor <pykka.ThreadingActor>`. + + The future is implemented using a :class:`queue.Queue`. + + The future does *not* make a copy of the object which is :meth:`set() + <pykka.Future.set>` on it. It is the setters responsibility to only pass + immutable objects or make a copy of the object before setting it on the + future. + + .. versionchanged:: 0.14 + Previously, the encapsulated value was a copy made with + :func:`copy.deepcopy`, unless the encapsulated value was a future, in + which case the original future was encapsulated. + """ + + def __init__(self): + super(ThreadingFuture, self).__init__() + self._queue = _compat.queue.Queue(maxsize=1) + self._data = None + + def get(self, timeout=None): + try: + return super(ThreadingFuture, self).get(timeout=timeout) + except NotImplementedError: + pass + + try: + if self._data is None: + self._data = self._queue.get(True, timeout) + if 'exc_info' in self._data: + _compat.reraise(*self._data['exc_info']) + else: + return self._data['value'] + except _compat.queue.Empty: + raise Timeout('{} seconds'.format(timeout)) + + def set(self, value=None): + self._queue.put({'value': value}, block=False) + + def set_exception(self, exc_info=None): + assert exc_info is None or len(exc_info) == 3 + self._queue.put({'exc_info': exc_info or sys.exc_info()}) + + +class ThreadingActor(Actor): + """ + :class:`ThreadingActor` implements :class:`Actor` using regular Python + threads. + + This implementation is slower than :class:`GeventActor + <pykka.gevent.GeventActor>`, but can be used in a process with other + threads that are not Pykka actors. + """ + + use_daemon_thread = False + """ + A boolean value indicating whether this actor is executed on a thread that + is a daemon thread (:class:`True`) or not (:class:`False`). This must be + set before :meth:`pykka.Actor.start` is called, otherwise + :exc:`RuntimeError` is raised. + + The entire Python program exits when no alive non-daemon threads are left. + This means that an actor running on a daemon thread may be interrupted at + any time, and there is no guarantee that cleanup will be done or that + :meth:`pykka.Actor.on_stop` will be called. + + Actors do not inherit the daemon flag from the actor that made it. It + always has to be set explicitly for the actor to run on a daemonic thread. + """ + + @staticmethod + def _create_actor_inbox(): + return _compat.queue.Queue() + + @staticmethod + def _create_future(): + return ThreadingFuture() + + def _start_actor_loop(self): + thread = threading.Thread(target=self._actor_loop) + thread.name = thread.name.replace('Thread', self.__class__.__name__) + thread.daemon = self.use_daemon_thread + thread.start() diff --git a/venv/lib/python3.7/site-packages/pykka/debug.py b/venv/lib/python3.7/site-packages/pykka/debug.py new file mode 100644 index 0000000..f62556f --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/debug.py @@ -0,0 +1,67 @@ +from __future__ import absolute_import + +import logging +import sys +import threading +import traceback + + +logger = logging.getLogger('pykka') + + +__all__ = ['log_thread_tracebacks'] + + +def log_thread_tracebacks(*args, **kwargs): + """Logs at :attr:`logging.CRITICAL` level a traceback for each running + thread. + + This can be a convenient tool for debugging deadlocks. + + The function accepts any arguments so that it can easily be used as e.g. a + signal handler, but it does not use the arguments for anything. + + To use this function as a signal handler, setup logging with a + :attr:`logging.CRITICAL` threshold or lower and make your main thread + register this with the :mod:`signal` module:: + + import logging + import signal + + import pykka.debug + + logging.basicConfig(level=logging.DEBUG) + signal.signal(signal.SIGUSR1, pykka.debug.log_thread_tracebacks) + + If your application deadlocks, send the `SIGUSR1` signal to the process:: + + kill -SIGUSR1 <pid of your process> + + Signal handler caveats: + + - The function *must* be registered as a signal handler by your main + thread. If not, :func:`signal.signal` will raise a :exc:`ValueError`. + + - All signals in Python are handled by the main thread. Thus, the signal + will only be handled, and the tracebacks logged, if your main thread is + available to do some work. Making your main thread idle using + :func:`time.sleep` is OK. The signal will awaken your main thread. + Blocking your main thread on e.g. :func:`queue.Queue.get` or + :meth:`pykka.Future.get` will break signal handling, and thus you won't + be able to signal your process to print the thread tracebacks. + + The morale is: setup signals using your main thread, start your actors, + then let your main thread relax for the rest of your application's life + cycle. + + .. versionadded:: 1.1 + """ + + thread_names = dict((t.ident, t.name) for t in threading.enumerate()) + + for ident, frame in sys._current_frames().items(): + name = thread_names.get(ident, '?') + stack = ''.join(traceback.format_stack(frame)) + logger.critical( + 'Current state of {} (ident: {}):\n{}'.format(name, ident, stack) + ) diff --git a/venv/lib/python3.7/site-packages/pykka/eventlet.py b/venv/lib/python3.7/site-packages/pykka/eventlet.py new file mode 100644 index 0000000..9901853 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/eventlet.py @@ -0,0 +1,107 @@ +from __future__ import absolute_import + +import sys + +import eventlet +import eventlet.event +import eventlet.queue + +from pykka import Actor, Future, Timeout + + +__all__ = ['EventletActor', 'EventletEvent', 'EventletFuture'] + + +class EventletEvent(eventlet.event.Event): + """ + :class:`EventletEvent` adapts :class:`eventlet.event.Event` to + :class:`threading.Event` interface. + """ + + def set(self): + if self.ready(): + self.reset() + self.send() + + def is_set(self): + return self.ready() + + isSet = is_set + + def clear(self): + if self.ready(): + self.reset() + + def wait(self, timeout): + if timeout is not None: + wait_timeout = eventlet.Timeout(timeout) + + try: + with wait_timeout: + super(EventletEvent, self).wait() + except eventlet.Timeout as t: + if t is not wait_timeout: + raise + return False + else: + self.event.wait() + + return True + + +class EventletFuture(Future): + """ + :class:`EventletFuture` implements :class:`pykka.Future` for use with + :class:`EventletActor`. + """ + + event = None + + def __init__(self): + super(EventletFuture, self).__init__() + self.event = eventlet.event.Event() + + def get(self, timeout=None): + try: + return super(EventletFuture, self).get(timeout=timeout) + except NotImplementedError: + pass + + if timeout is not None: + wait_timeout = eventlet.Timeout(timeout) + try: + with wait_timeout: + return self.event.wait() + except eventlet.Timeout as t: + if t is not wait_timeout: + raise + raise Timeout(t) + else: + return self.event.wait() + + def set(self, value=None): + self.event.send(value) + + def set_exception(self, exc_info=None): + assert exc_info is None or len(exc_info) == 3 + self.event.send_exception(*(exc_info or sys.exc_info())) + + +class EventletActor(Actor): + """ + :class:`EventletActor` implements :class:`pykka.Actor` using the `eventlet + <https://eventlet.net/>`_ library. + + This implementation uses eventlet green threads. + """ + + @staticmethod + def _create_actor_inbox(): + return eventlet.queue.Queue() + + @staticmethod + def _create_future(): + return EventletFuture() + + def _start_actor_loop(self): + eventlet.greenthread.spawn(self._actor_loop) diff --git a/venv/lib/python3.7/site-packages/pykka/gevent.py b/venv/lib/python3.7/site-packages/pykka/gevent.py new file mode 100644 index 0000000..9fa0781 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/gevent.py @@ -0,0 +1,73 @@ +from __future__ import absolute_import + +import sys + +import gevent +import gevent.event +import gevent.queue + +from pykka import Actor, Future, Timeout + + +__all__ = ['GeventActor', 'GeventFuture'] + + +class GeventFuture(Future): + """ + :class:`GeventFuture` implements :class:`pykka.Future` for use with + :class:`GeventActor`. + + It encapsulates a :class:`gevent.event.AsyncResult` object which may be + used directly, though it will couple your code with gevent. + """ + + #: The encapsulated :class:`gevent.event.AsyncResult` + async_result = None + + def __init__(self, async_result=None): + super(GeventFuture, self).__init__() + if async_result is None: + async_result = gevent.event.AsyncResult() + self.async_result = async_result + + def get(self, timeout=None): + try: + return super(GeventFuture, self).get(timeout=timeout) + except NotImplementedError: + pass + + try: + return self.async_result.get(timeout=timeout) + except gevent.Timeout as e: + raise Timeout(e) + + def set(self, value=None): + assert not self.async_result.ready(), 'value has already been set' + self.async_result.set(value) + + def set_exception(self, exc_info=None): + assert exc_info is None or len(exc_info) == 3 + exc_info = exc_info or sys.exc_info() + self.async_result.set_exception(exc_info[1], exc_info=exc_info) + + +class GeventActor(Actor): + """ + :class:`GeventActor` implements :class:`pykka.Actor` using the `gevent + <http://www.gevent.org/>`_ library. gevent is a coroutine-based Python + networking library that uses greenlet to provide a high-level synchronous + API on top of libevent event loop. + + This is a very fast implementation. + """ + + @staticmethod + def _create_actor_inbox(): + return gevent.queue.Queue() + + @staticmethod + def _create_future(): + return GeventFuture() + + def _start_actor_loop(self): + gevent.Greenlet.spawn(self._actor_loop) diff --git a/venv/lib/python3.7/site-packages/pykka/messages.py b/venv/lib/python3.7/site-packages/pykka/messages.py new file mode 100644 index 0000000..8c5742b --- /dev/null +++ b/venv/lib/python3.7/site-packages/pykka/messages.py @@ -0,0 +1,77 @@ +""" +The :mod:`pykka.messages` module contains Pykka's own actor messages. + +In general, you should not need to use any of these classes. However, they have +been made part of the public API so that certain optimizations can be done +without touching Pykka's internals. + +An example is to combine :meth:`~pykka.ActorRef.ask` and :class:`ProxyCall` +to call a method on an actor without having to spend any resources on creating +a proxy object:: + + reply = actor_ref.ask( + ProxyCall( + attr_path=['my_method'], + args=['foo'], + kwargs={'bar': 'baz'} + ) + ) + +Another example is to use :meth:`~pykka.ActorRef.tell` instead of +:meth:`~pykka.ActorRef.ask` for the proxy method call, and thus avoid the +creation of a future for the return value if you don't need it. + +It should be noted that these optimizations should only be necessary in very +special circumstances. +""" + +import warnings +from collections import namedtuple + + +# Internal actor messages +_ActorStop = namedtuple('ActorStop', []) + +# Public proxy messages +# TODO Add docstrings to classes and attributes once we drop Python 2.7 support +ProxyCall = namedtuple('ProxyCall', ['attr_path', 'args', 'kwargs']) +ProxyGetAttr = namedtuple('ProxyGetAttr', ['attr_path']) +ProxySetAttr = namedtuple('ProxySetAttr', ['attr_path', 'value']) + + +def _upgrade_internal_message(message): + """Filter that upgrades dict-based internal messages to the new format. + + This is needed for a transitional period because Mopidy < 3 uses + the old internal message format directly, and maybe others. + """ + + if not isinstance(message, dict): + return message + if not message.get('command', '').startswith('pykka_'): + return message + + warnings.warn( + 'Pykka received a dict-based internal message. ' + 'This is deprecated and will be unsupported in the future. ' + 'Message: {!r}'.format(message), + DeprecationWarning, + ) + + command = message.get('command') + if command == 'pykka_stop': + return _ActorStop() + elif command == 'pykka_call': + return ProxyCall( + attr_path=message['attr_path'], + args=message['args'], + kwargs=message['kwargs'], + ) + elif command == 'pykka_getattr': + return ProxyGetAttr(attr_path=message['attr_path']) + elif command == 'pykka_setattr': + return ProxySetAttr( + attr_path=message['attr_path'], value=message['value'] + ) + else: + raise ValueError('Unknown internal message: {!r}'.format(message)) diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/LICENSE b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/LICENSE new file mode 100644 index 0000000..841c602 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/LICENSE @@ -0,0 +1,13 @@ +Copyright 2018 Kenneth Reitz + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + https://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/METADATA b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/METADATA new file mode 100644 index 0000000..02f2eca --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/METADATA @@ -0,0 +1,145 @@ +Metadata-Version: 2.1 +Name: requests +Version: 2.22.0 +Summary: Python HTTP for Humans. +Home-page: http://python-requests.org +Author: Kenneth Reitz +Author-email: me@kennethreitz.org +License: Apache 2.0 +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Natural Language :: English +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.* +Description-Content-Type: text/markdown +Requires-Dist: chardet (<3.1.0,>=3.0.2) +Requires-Dist: idna (<2.9,>=2.5) +Requires-Dist: urllib3 (!=1.25.0,!=1.25.1,<1.26,>=1.21.1) +Requires-Dist: certifi (>=2017.4.17) +Provides-Extra: security +Requires-Dist: pyOpenSSL (>=0.14) ; extra == 'security' +Requires-Dist: cryptography (>=1.3.4) ; extra == 'security' +Requires-Dist: idna (>=2.0.0) ; extra == 'security' +Provides-Extra: socks +Requires-Dist: PySocks (!=1.5.7,>=1.5.6) ; extra == 'socks' +Requires-Dist: win-inet-pton ; (sys_platform == "win32" and python_version == "2.7") and extra == 'socks' + +Requests: HTTP for Humans™ +========================== + +[![image](https://img.shields.io/pypi/v/requests.svg)](https://pypi.org/project/requests/) +[![image](https://img.shields.io/pypi/l/requests.svg)](https://pypi.org/project/requests/) +[![image](https://img.shields.io/pypi/pyversions/requests.svg)](https://pypi.org/project/requests/) +[![codecov.io](https://codecov.io/github/requests/requests/coverage.svg?branch=master)](https://codecov.io/github/requests/requests) +[![image](https://img.shields.io/github/contributors/requests/requests.svg)](https://github.com/requests/requests/graphs/contributors) +[![image](https://img.shields.io/badge/Say%20Thanks-!-1EAEDB.svg)](https://saythanks.io/to/kennethreitz) + +Requests is the only *Non-GMO* HTTP library for Python, safe for human +consumption. + +![image](https://farm5.staticflickr.com/4317/35198386374_1939af3de6_k_d.jpg) + +Behold, the power of Requests: + +``` {.sourceCode .python} +>>> import requests +>>> r = requests.get('https://api.github.com/user', auth=('user', 'pass')) +>>> r.status_code +200 +>>> r.headers['content-type'] +'application/json; charset=utf8' +>>> r.encoding +'utf-8' +>>> r.text +u'{"type":"User"...' +>>> r.json() +{u'disk_usage': 368627, u'private_gists': 484, ...} +``` + +See [the similar code, sans Requests](https://gist.github.com/973705). + +[![image](https://raw.githubusercontent.com/requests/requests/master/docs/_static/requests-logo-small.png)](http://docs.python-requests.org/) + +Requests allows you to send *organic, grass-fed* HTTP/1.1 requests, +without the need for manual labor. There's no need to manually add query +strings to your URLs, or to form-encode your POST data. Keep-alive and +HTTP connection pooling are 100% automatic, thanks to +[urllib3](https://github.com/shazow/urllib3). + +Besides, all the cool kids are doing it. Requests is one of the most +downloaded Python packages of all time, pulling in over 11,000,000 +downloads every month. You don't want to be left out! + +Feature Support +--------------- + +Requests is ready for today's web. + +- International Domains and URLs +- Keep-Alive & Connection Pooling +- Sessions with Cookie Persistence +- Browser-style SSL Verification +- Basic/Digest Authentication +- Elegant Key/Value Cookies +- Automatic Decompression +- Automatic Content Decoding +- Unicode Response Bodies +- Multipart File Uploads +- HTTP(S) Proxy Support +- Connection Timeouts +- Streaming Downloads +- `.netrc` Support +- Chunked Requests + +Requests officially supports Python 2.7 & 3.4–3.7, and runs great on +PyPy. + +Installation +------------ + +To install Requests, simply use [pipenv](http://pipenv.org/) (or pip, of +course): + +``` {.sourceCode .bash} +$ pipenv install requests +✨🍰✨ +``` + +Satisfaction guaranteed. + +Documentation +------------- + +Fantastic documentation is available at +<http://docs.python-requests.org/>, for a limited time only. + +How to Contribute +----------------- + +1. Become more familiar with the project by reading our [Contributor's Guide](http://docs.python-requests.org/en/latest/dev/contributing/) and our [development philosophy](http://docs.python-requests.org/en/latest/dev/philosophy/). +2. Check for open issues or open a fresh issue to start a discussion + around a feature idea or a bug. There is a [Contributor + Friendly](https://github.com/requests/requests/issues?direction=desc&labels=Contributor+Friendly&page=1&sort=updated&state=open) + tag for issues that should be ideal for people who are not very + familiar with the codebase yet. +3. Fork [the repository](https://github.com/requests/requests) on + GitHub to start making your changes to the **master** branch (or + branch off of it). +4. Write a test which shows that the bug was fixed or that the feature + works as expected. +5. Send a pull request and bug the maintainer until it gets merged and + published. :) Make sure to add yourself to + [AUTHORS](https://github.com/requests/requests/blob/master/AUTHORS.rst). + + + diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/RECORD b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/RECORD new file mode 100644 index 0000000..aacacfc --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/RECORD @@ -0,0 +1,42 @@ +requests-2.22.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +requests-2.22.0.dist-info/LICENSE,sha256=vkGrrCxA-FMDB-jRcsWQtHb0pIi8amj43le3z2R4Zoc,582 +requests-2.22.0.dist-info/METADATA,sha256=sJ1ZdIgF0uoV9U58VVoEZv1QTyMCpmc2MQnbkob3nsE,5523 +requests-2.22.0.dist-info/RECORD,, +requests-2.22.0.dist-info/WHEEL,sha256=h_aVn5OB2IERUjMbi2pucmR_zzWJtk303YXvhh60NJ8,110 +requests-2.22.0.dist-info/top_level.txt,sha256=fMSVmHfb5rbGOo6xv-O_tUX6j-WyixssE-SnwcDRxNQ,9 +requests/__init__.py,sha256=PnKCgjcTq44LaAMzB-7--B2FdewRrE8F_vjZeaG9NhA,3921 +requests/__pycache__/__init__.cpython-37.pyc,, +requests/__pycache__/__version__.cpython-37.pyc,, +requests/__pycache__/_internal_utils.cpython-37.pyc,, +requests/__pycache__/adapters.cpython-37.pyc,, +requests/__pycache__/api.cpython-37.pyc,, +requests/__pycache__/auth.cpython-37.pyc,, +requests/__pycache__/certs.cpython-37.pyc,, +requests/__pycache__/compat.cpython-37.pyc,, +requests/__pycache__/cookies.cpython-37.pyc,, +requests/__pycache__/exceptions.cpython-37.pyc,, +requests/__pycache__/help.cpython-37.pyc,, +requests/__pycache__/hooks.cpython-37.pyc,, +requests/__pycache__/models.cpython-37.pyc,, +requests/__pycache__/packages.cpython-37.pyc,, +requests/__pycache__/sessions.cpython-37.pyc,, +requests/__pycache__/status_codes.cpython-37.pyc,, +requests/__pycache__/structures.cpython-37.pyc,, +requests/__pycache__/utils.cpython-37.pyc,, +requests/__version__.py,sha256=Bm-GFstQaFezsFlnmEMrJDe8JNROz9n2XXYtODdvjjc,436 +requests/_internal_utils.py,sha256=Zx3PnEUccyfsB-ie11nZVAW8qClJy0gx1qNME7rgT18,1096 +requests/adapters.py,sha256=WelSM1BCQXdbjEuDsBxqKDADeY8BHmxlrwbNnLN2rr4,21344 +requests/api.py,sha256=fbUo11QoLOoNgWU6FfvNz8vMj9bE_cMmICXBa7TZHJs,6271 +requests/auth.py,sha256=QB2-cSUj1jrvWZfPXttsZpyAacQgtKLVk14vQW9TpSE,10206 +requests/certs.py,sha256=dOB5rV2DZ13dEhq9BUa_4hd5kAqg59e_zUZB00faYz8,453 +requests/compat.py,sha256=FVIeTOniQMHQkeE2JdJvar3OZ-b4IFh8aNezIn45zws,1678 +requests/cookies.py,sha256=Y-bKX6TvW3FnYlE6Au0SXtVVWcaNdFvuAwQxw-G0iTI,18430 +requests/exceptions.py,sha256=Q8YeWWxiHHXhkEynLpMgC_6_r_ZTYw2aITs9wCSAZNY,3185 +requests/help.py,sha256=lLcBtKAar8T6T78e9Tc4Zfd_EEJFhntxgib1JHNctEI,3515 +requests/hooks.py,sha256=QReGyy0bRcr5rkwCuObNakbYsc7EkiKeBwG4qHekr2Q,757 +requests/models.py,sha256=bce6oORR26SY-dVPaqMpdBunD1zXzrgMSlH6jhfvuRA,34210 +requests/packages.py,sha256=Q2rF0L5mc3wQAvc6q_lAVtPTDOaOeFgD-7kWSQLkjEQ,542 +requests/sessions.py,sha256=DjbCotDW6xSAaBsjbW-L8l4N0UcwmrxVNgSrZgIjGWM,29332 +requests/status_codes.py,sha256=XWlcpBjbCtq9sSqpH9_KKxgnLTf9Z__wCWolq21ySlg,4129 +requests/structures.py,sha256=zoP8qly2Jak5e89HwpqjN1z2diztI-_gaqts1raJJBc,2981 +requests/utils.py,sha256=LtPJ1db6mJff2TJSJWKi7rBpzjPS3mSOrjC9zRhoD3A,30049 diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/WHEEL b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/WHEEL new file mode 100644 index 0000000..78e6f69 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.33.4) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/top_level.txt new file mode 100644 index 0000000..f229360 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests-2.22.0.dist-info/top_level.txt @@ -0,0 +1 @@ +requests diff --git a/venv/lib/python3.7/site-packages/requests/__init__.py b/venv/lib/python3.7/site-packages/requests/__init__.py new file mode 100644 index 0000000..9a899df --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/__init__.py @@ -0,0 +1,131 @@ +# -*- coding: utf-8 -*- + +# __ +# /__) _ _ _ _ _/ _ +# / ( (- (/ (/ (- _) / _) +# / + +""" +Requests HTTP Library +~~~~~~~~~~~~~~~~~~~~~ + +Requests is an HTTP library, written in Python, for human beings. Basic GET +usage: + + >>> import requests + >>> r = requests.get('https://www.python.org') + >>> r.status_code + 200 + >>> 'Python is a programming language' in r.content + True + +... or POST: + + >>> payload = dict(key1='value1', key2='value2') + >>> r = requests.post('https://httpbin.org/post', data=payload) + >>> print(r.text) + { + ... + "form": { + "key2": "value2", + "key1": "value1" + }, + ... + } + +The other HTTP methods are supported - see `requests.api`. Full documentation +is at <http://python-requests.org>. + +:copyright: (c) 2017 by Kenneth Reitz. +:license: Apache 2.0, see LICENSE for more details. +""" + +import urllib3 +import chardet +import warnings +from .exceptions import RequestsDependencyWarning + + +def check_compatibility(urllib3_version, chardet_version): + urllib3_version = urllib3_version.split('.') + assert urllib3_version != ['dev'] # Verify urllib3 isn't installed from git. + + # Sometimes, urllib3 only reports its version as 16.1. + if len(urllib3_version) == 2: + urllib3_version.append('0') + + # Check urllib3 for compatibility. + major, minor, patch = urllib3_version # noqa: F811 + major, minor, patch = int(major), int(minor), int(patch) + # urllib3 >= 1.21.1, <= 1.25 + assert major == 1 + assert minor >= 21 + assert minor <= 25 + + # Check chardet for compatibility. + major, minor, patch = chardet_version.split('.')[:3] + major, minor, patch = int(major), int(minor), int(patch) + # chardet >= 3.0.2, < 3.1.0 + assert major == 3 + assert minor < 1 + assert patch >= 2 + + +def _check_cryptography(cryptography_version): + # cryptography < 1.3.4 + try: + cryptography_version = list(map(int, cryptography_version.split('.'))) + except ValueError: + return + + if cryptography_version < [1, 3, 4]: + warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version) + warnings.warn(warning, RequestsDependencyWarning) + +# Check imported dependencies for compatibility. +try: + check_compatibility(urllib3.__version__, chardet.__version__) +except (AssertionError, ValueError): + warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported " + "version!".format(urllib3.__version__, chardet.__version__), + RequestsDependencyWarning) + +# Attempt to enable urllib3's SNI support, if possible +try: + from urllib3.contrib import pyopenssl + pyopenssl.inject_into_urllib3() + + # Check cryptography version + from cryptography import __version__ as cryptography_version + _check_cryptography(cryptography_version) +except ImportError: + pass + +# urllib3's DependencyWarnings should be silenced. +from urllib3.exceptions import DependencyWarning +warnings.simplefilter('ignore', DependencyWarning) + +from .__version__ import __title__, __description__, __url__, __version__ +from .__version__ import __build__, __author__, __author_email__, __license__ +from .__version__ import __copyright__, __cake__ + +from . import utils +from . import packages +from .models import Request, Response, PreparedRequest +from .api import request, get, head, post, patch, put, delete, options +from .sessions import session, Session +from .status_codes import codes +from .exceptions import ( + RequestException, Timeout, URLRequired, + TooManyRedirects, HTTPError, ConnectionError, + FileModeWarning, ConnectTimeout, ReadTimeout +) + +# Set default logging handler to avoid "No handler found" warnings. +import logging +from logging import NullHandler + +logging.getLogger(__name__).addHandler(NullHandler()) + +# FileModeWarnings go off per the default. +warnings.simplefilter('default', FileModeWarning, append=True) diff --git a/venv/lib/python3.7/site-packages/requests/__version__.py b/venv/lib/python3.7/site-packages/requests/__version__.py new file mode 100644 index 0000000..9844f74 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/__version__.py @@ -0,0 +1,14 @@ +# .-. .-. .-. . . .-. .-. .-. .-. +# |( |- |.| | | |- `-. | `-. +# ' ' `-' `-`.`-' `-' `-' ' `-' + +__title__ = 'requests' +__description__ = 'Python HTTP for Humans.' +__url__ = 'http://python-requests.org' +__version__ = '2.22.0' +__build__ = 0x022200 +__author__ = 'Kenneth Reitz' +__author_email__ = 'me@kennethreitz.org' +__license__ = 'Apache 2.0' +__copyright__ = 'Copyright 2019 Kenneth Reitz' +__cake__ = u'\u2728 \U0001f370 \u2728' diff --git a/venv/lib/python3.7/site-packages/requests/_internal_utils.py b/venv/lib/python3.7/site-packages/requests/_internal_utils.py new file mode 100644 index 0000000..759d9a5 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/_internal_utils.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- + +""" +requests._internal_utils +~~~~~~~~~~~~~~ + +Provides utility functions that are consumed internally by Requests +which depend on extremely few external helpers (such as compat) +""" + +from .compat import is_py2, builtin_str, str + + +def to_native_string(string, encoding='ascii'): + """Given a string object, regardless of type, returns a representation of + that string in the native string type, encoding and decoding where + necessary. This assumes ASCII unless told otherwise. + """ + if isinstance(string, builtin_str): + out = string + else: + if is_py2: + out = string.encode(encoding) + else: + out = string.decode(encoding) + + return out + + +def unicode_is_ascii(u_string): + """Determine if unicode string only contains ASCII characters. + + :param str u_string: unicode string to check. Must be unicode + and not Python 2 `str`. + :rtype: bool + """ + assert isinstance(u_string, str) + try: + u_string.encode('ascii') + return True + except UnicodeEncodeError: + return False diff --git a/venv/lib/python3.7/site-packages/requests/adapters.py b/venv/lib/python3.7/site-packages/requests/adapters.py new file mode 100644 index 0000000..fa4d9b3 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/adapters.py @@ -0,0 +1,533 @@ +# -*- coding: utf-8 -*- + +""" +requests.adapters +~~~~~~~~~~~~~~~~~ + +This module contains the transport adapters that Requests uses to define +and maintain connections. +""" + +import os.path +import socket + +from urllib3.poolmanager import PoolManager, proxy_from_url +from urllib3.response import HTTPResponse +from urllib3.util import parse_url +from urllib3.util import Timeout as TimeoutSauce +from urllib3.util.retry import Retry +from urllib3.exceptions import ClosedPoolError +from urllib3.exceptions import ConnectTimeoutError +from urllib3.exceptions import HTTPError as _HTTPError +from urllib3.exceptions import MaxRetryError +from urllib3.exceptions import NewConnectionError +from urllib3.exceptions import ProxyError as _ProxyError +from urllib3.exceptions import ProtocolError +from urllib3.exceptions import ReadTimeoutError +from urllib3.exceptions import SSLError as _SSLError +from urllib3.exceptions import ResponseError +from urllib3.exceptions import LocationValueError + +from .models import Response +from .compat import urlparse, basestring +from .utils import (DEFAULT_CA_BUNDLE_PATH, extract_zipped_paths, + get_encoding_from_headers, prepend_scheme_if_needed, + get_auth_from_url, urldefragauth, select_proxy) +from .structures import CaseInsensitiveDict +from .cookies import extract_cookies_to_jar +from .exceptions import (ConnectionError, ConnectTimeout, ReadTimeout, SSLError, + ProxyError, RetryError, InvalidSchema, InvalidProxyURL, + InvalidURL) +from .auth import _basic_auth_str + +try: + from urllib3.contrib.socks import SOCKSProxyManager +except ImportError: + def SOCKSProxyManager(*args, **kwargs): + raise InvalidSchema("Missing dependencies for SOCKS support.") + +DEFAULT_POOLBLOCK = False +DEFAULT_POOLSIZE = 10 +DEFAULT_RETRIES = 0 +DEFAULT_POOL_TIMEOUT = None + + +class BaseAdapter(object): + """The Base Transport Adapter""" + + def __init__(self): + super(BaseAdapter, self).__init__() + + def send(self, request, stream=False, timeout=None, verify=True, + cert=None, proxies=None): + """Sends PreparedRequest object. Returns Response object. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param stream: (optional) Whether to stream the request content. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use + :param cert: (optional) Any user-provided SSL certificate to be trusted. + :param proxies: (optional) The proxies dictionary to apply to the request. + """ + raise NotImplementedError + + def close(self): + """Cleans up adapter specific items.""" + raise NotImplementedError + + +class HTTPAdapter(BaseAdapter): + """The built-in HTTP Adapter for urllib3. + + Provides a general-case interface for Requests sessions to contact HTTP and + HTTPS urls by implementing the Transport Adapter interface. This class will + usually be created by the :class:`Session <Session>` class under the + covers. + + :param pool_connections: The number of urllib3 connection pools to cache. + :param pool_maxsize: The maximum number of connections to save in the pool. + :param max_retries: The maximum number of retries each connection + should attempt. Note, this applies only to failed DNS lookups, socket + connections and connection timeouts, never to requests where data has + made it to the server. By default, Requests does not retry failed + connections. If you need granular control over the conditions under + which we retry a request, import urllib3's ``Retry`` class and pass + that instead. + :param pool_block: Whether the connection pool should block for connections. + + Usage:: + + >>> import requests + >>> s = requests.Session() + >>> a = requests.adapters.HTTPAdapter(max_retries=3) + >>> s.mount('http://', a) + """ + __attrs__ = ['max_retries', 'config', '_pool_connections', '_pool_maxsize', + '_pool_block'] + + def __init__(self, pool_connections=DEFAULT_POOLSIZE, + pool_maxsize=DEFAULT_POOLSIZE, max_retries=DEFAULT_RETRIES, + pool_block=DEFAULT_POOLBLOCK): + if max_retries == DEFAULT_RETRIES: + self.max_retries = Retry(0, read=False) + else: + self.max_retries = Retry.from_int(max_retries) + self.config = {} + self.proxy_manager = {} + + super(HTTPAdapter, self).__init__() + + self._pool_connections = pool_connections + self._pool_maxsize = pool_maxsize + self._pool_block = pool_block + + self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block) + + def __getstate__(self): + return {attr: getattr(self, attr, None) for attr in self.__attrs__} + + def __setstate__(self, state): + # Can't handle by adding 'proxy_manager' to self.__attrs__ because + # self.poolmanager uses a lambda function, which isn't pickleable. + self.proxy_manager = {} + self.config = {} + + for attr, value in state.items(): + setattr(self, attr, value) + + self.init_poolmanager(self._pool_connections, self._pool_maxsize, + block=self._pool_block) + + def init_poolmanager(self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs): + """Initializes a urllib3 PoolManager. + + This method should not be called from user code, and is only + exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param connections: The number of urllib3 connection pools to cache. + :param maxsize: The maximum number of connections to save in the pool. + :param block: Block when no free connections are available. + :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager. + """ + # save these values for pickling + self._pool_connections = connections + self._pool_maxsize = maxsize + self._pool_block = block + + self.poolmanager = PoolManager(num_pools=connections, maxsize=maxsize, + block=block, strict=True, **pool_kwargs) + + def proxy_manager_for(self, proxy, **proxy_kwargs): + """Return urllib3 ProxyManager for the given proxy. + + This method should not be called from user code, and is only + exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param proxy: The proxy to return a urllib3 ProxyManager for. + :param proxy_kwargs: Extra keyword arguments used to configure the Proxy Manager. + :returns: ProxyManager + :rtype: urllib3.ProxyManager + """ + if proxy in self.proxy_manager: + manager = self.proxy_manager[proxy] + elif proxy.lower().startswith('socks'): + username, password = get_auth_from_url(proxy) + manager = self.proxy_manager[proxy] = SOCKSProxyManager( + proxy, + username=username, + password=password, + num_pools=self._pool_connections, + maxsize=self._pool_maxsize, + block=self._pool_block, + **proxy_kwargs + ) + else: + proxy_headers = self.proxy_headers(proxy) + manager = self.proxy_manager[proxy] = proxy_from_url( + proxy, + proxy_headers=proxy_headers, + num_pools=self._pool_connections, + maxsize=self._pool_maxsize, + block=self._pool_block, + **proxy_kwargs) + + return manager + + def cert_verify(self, conn, url, verify, cert): + """Verify a SSL certificate. This method should not be called from user + code, and is only exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param conn: The urllib3 connection object associated with the cert. + :param url: The requested URL. + :param verify: Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use + :param cert: The SSL certificate to verify. + """ + if url.lower().startswith('https') and verify: + + cert_loc = None + + # Allow self-specified cert location. + if verify is not True: + cert_loc = verify + + if not cert_loc: + cert_loc = extract_zipped_paths(DEFAULT_CA_BUNDLE_PATH) + + if not cert_loc or not os.path.exists(cert_loc): + raise IOError("Could not find a suitable TLS CA certificate bundle, " + "invalid path: {}".format(cert_loc)) + + conn.cert_reqs = 'CERT_REQUIRED' + + if not os.path.isdir(cert_loc): + conn.ca_certs = cert_loc + else: + conn.ca_cert_dir = cert_loc + else: + conn.cert_reqs = 'CERT_NONE' + conn.ca_certs = None + conn.ca_cert_dir = None + + if cert: + if not isinstance(cert, basestring): + conn.cert_file = cert[0] + conn.key_file = cert[1] + else: + conn.cert_file = cert + conn.key_file = None + if conn.cert_file and not os.path.exists(conn.cert_file): + raise IOError("Could not find the TLS certificate file, " + "invalid path: {}".format(conn.cert_file)) + if conn.key_file and not os.path.exists(conn.key_file): + raise IOError("Could not find the TLS key file, " + "invalid path: {}".format(conn.key_file)) + + def build_response(self, req, resp): + """Builds a :class:`Response <requests.Response>` object from a urllib3 + response. This should not be called from user code, and is only exposed + for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>` + + :param req: The :class:`PreparedRequest <PreparedRequest>` used to generate the response. + :param resp: The urllib3 response object. + :rtype: requests.Response + """ + response = Response() + + # Fallback to None if there's no status_code, for whatever reason. + response.status_code = getattr(resp, 'status', None) + + # Make headers case-insensitive. + response.headers = CaseInsensitiveDict(getattr(resp, 'headers', {})) + + # Set encoding. + response.encoding = get_encoding_from_headers(response.headers) + response.raw = resp + response.reason = response.raw.reason + + if isinstance(req.url, bytes): + response.url = req.url.decode('utf-8') + else: + response.url = req.url + + # Add new cookies from the server. + extract_cookies_to_jar(response.cookies, req, resp) + + # Give the Response some context. + response.request = req + response.connection = self + + return response + + def get_connection(self, url, proxies=None): + """Returns a urllib3 connection for the given URL. This should not be + called from user code, and is only exposed for use when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param url: The URL to connect to. + :param proxies: (optional) A Requests-style dictionary of proxies used on this request. + :rtype: urllib3.ConnectionPool + """ + proxy = select_proxy(url, proxies) + + if proxy: + proxy = prepend_scheme_if_needed(proxy, 'http') + proxy_url = parse_url(proxy) + if not proxy_url.host: + raise InvalidProxyURL("Please check proxy URL. It is malformed" + " and could be missing the host.") + proxy_manager = self.proxy_manager_for(proxy) + conn = proxy_manager.connection_from_url(url) + else: + # Only scheme should be lower case + parsed = urlparse(url) + url = parsed.geturl() + conn = self.poolmanager.connection_from_url(url) + + return conn + + def close(self): + """Disposes of any internal state. + + Currently, this closes the PoolManager and any active ProxyManager, + which closes any pooled connections. + """ + self.poolmanager.clear() + for proxy in self.proxy_manager.values(): + proxy.clear() + + def request_url(self, request, proxies): + """Obtain the url to use when making the final request. + + If the message is being sent through a HTTP proxy, the full URL has to + be used. Otherwise, we should only use the path portion of the URL. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs. + :rtype: str + """ + proxy = select_proxy(request.url, proxies) + scheme = urlparse(request.url).scheme + + is_proxied_http_request = (proxy and scheme != 'https') + using_socks_proxy = False + if proxy: + proxy_scheme = urlparse(proxy).scheme.lower() + using_socks_proxy = proxy_scheme.startswith('socks') + + url = request.path_url + if is_proxied_http_request and not using_socks_proxy: + url = urldefragauth(request.url) + + return url + + def add_headers(self, request, **kwargs): + """Add any headers needed by the connection. As of v2.0 this does + nothing by default, but is left for overriding by users that subclass + the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to. + :param kwargs: The keyword arguments from the call to send(). + """ + pass + + def proxy_headers(self, proxy): + """Returns a dictionary of the headers to add to any request sent + through a proxy. This works with urllib3 magic to ensure that they are + correctly sent to the proxy, rather than in a tunnelled request if + CONNECT is being used. + + This should not be called from user code, and is only exposed for use + when subclassing the + :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. + + :param proxy: The url of the proxy being used for this request. + :rtype: dict + """ + headers = {} + username, password = get_auth_from_url(proxy) + + if username: + headers['Proxy-Authorization'] = _basic_auth_str(username, + password) + + return headers + + def send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None): + """Sends PreparedRequest object. Returns Response object. + + :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. + :param stream: (optional) Whether to stream the request content. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple or urllib3 Timeout object + :param verify: (optional) Either a boolean, in which case it controls whether + we verify the server's TLS certificate, or a string, in which case it + must be a path to a CA bundle to use + :param cert: (optional) Any user-provided SSL certificate to be trusted. + :param proxies: (optional) The proxies dictionary to apply to the request. + :rtype: requests.Response + """ + + try: + conn = self.get_connection(request.url, proxies) + except LocationValueError as e: + raise InvalidURL(e, request=request) + + self.cert_verify(conn, request.url, verify, cert) + url = self.request_url(request, proxies) + self.add_headers(request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies) + + chunked = not (request.body is None or 'Content-Length' in request.headers) + + if isinstance(timeout, tuple): + try: + connect, read = timeout + timeout = TimeoutSauce(connect=connect, read=read) + except ValueError as e: + # this may raise a string formatting error. + err = ("Invalid timeout {}. Pass a (connect, read) " + "timeout tuple, or a single float to set " + "both timeouts to the same value".format(timeout)) + raise ValueError(err) + elif isinstance(timeout, TimeoutSauce): + pass + else: + timeout = TimeoutSauce(connect=timeout, read=timeout) + + try: + if not chunked: + resp = conn.urlopen( + method=request.method, + url=url, + body=request.body, + headers=request.headers, + redirect=False, + assert_same_host=False, + preload_content=False, + decode_content=False, + retries=self.max_retries, + timeout=timeout + ) + + # Send the request. + else: + if hasattr(conn, 'proxy_pool'): + conn = conn.proxy_pool + + low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT) + + try: + low_conn.putrequest(request.method, + url, + skip_accept_encoding=True) + + for header, value in request.headers.items(): + low_conn.putheader(header, value) + + low_conn.endheaders() + + for i in request.body: + low_conn.send(hex(len(i))[2:].encode('utf-8')) + low_conn.send(b'\r\n') + low_conn.send(i) + low_conn.send(b'\r\n') + low_conn.send(b'0\r\n\r\n') + + # Receive the response from the server + try: + # For Python 2.7, use buffering of HTTP responses + r = low_conn.getresponse(buffering=True) + except TypeError: + # For compatibility with Python 3.3+ + r = low_conn.getresponse() + + resp = HTTPResponse.from_httplib( + r, + pool=conn, + connection=low_conn, + preload_content=False, + decode_content=False + ) + except: + # If we hit any problems here, clean up the connection. + # Then, reraise so that we can handle the actual exception. + low_conn.close() + raise + + except (ProtocolError, socket.error) as err: + raise ConnectionError(err, request=request) + + except MaxRetryError as e: + if isinstance(e.reason, ConnectTimeoutError): + # TODO: Remove this in 3.0.0: see #2811 + if not isinstance(e.reason, NewConnectionError): + raise ConnectTimeout(e, request=request) + + if isinstance(e.reason, ResponseError): + raise RetryError(e, request=request) + + if isinstance(e.reason, _ProxyError): + raise ProxyError(e, request=request) + + if isinstance(e.reason, _SSLError): + # This branch is for urllib3 v1.22 and later. + raise SSLError(e, request=request) + + raise ConnectionError(e, request=request) + + except ClosedPoolError as e: + raise ConnectionError(e, request=request) + + except _ProxyError as e: + raise ProxyError(e) + + except (_SSLError, _HTTPError) as e: + if isinstance(e, _SSLError): + # This branch is for urllib3 versions earlier than v1.22 + raise SSLError(e, request=request) + elif isinstance(e, ReadTimeoutError): + raise ReadTimeout(e, request=request) + else: + raise + + return self.build_response(request, resp) diff --git a/venv/lib/python3.7/site-packages/requests/api.py b/venv/lib/python3.7/site-packages/requests/api.py new file mode 100644 index 0000000..ef71d07 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/api.py @@ -0,0 +1,158 @@ +# -*- coding: utf-8 -*- + +""" +requests.api +~~~~~~~~~~~~ + +This module implements the Requests API. + +:copyright: (c) 2012 by Kenneth Reitz. +:license: Apache2, see LICENSE for more details. +""" + +from . import sessions + + +def request(method, url, **kwargs): + """Constructs and sends a :class:`Request <Request>`. + + :param method: method for the new :class:`Request` object. + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary, list of tuples or bytes to send + in the query string for the :class:`Request`. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`. + :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. + :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. + :param files: (optional) Dictionary of ``'name': file-like-objects`` (or ``{'name': file-tuple}``) for multipart encoding upload. + ``file-tuple`` can be a 2-tuple ``('filename', fileobj)``, 3-tuple ``('filename', fileobj, 'content_type')`` + or a 4-tuple ``('filename', fileobj, 'content_type', custom_headers)``, where ``'content-type'`` is a string + defining the content type of the given file and ``custom_headers`` a dict-like object containing additional headers + to add for the file. + :param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth. + :param timeout: (optional) How many seconds to wait for the server to send data + before giving up, as a float, or a :ref:`(connect timeout, read + timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param allow_redirects: (optional) Boolean. Enable/disable GET/OPTIONS/POST/PUT/PATCH/DELETE/HEAD redirection. Defaults to ``True``. + :type allow_redirects: bool + :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy. + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use. Defaults to ``True``. + :param stream: (optional) if ``False``, the response content will be immediately downloaded. + :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. + :return: :class:`Response <Response>` object + :rtype: requests.Response + + Usage:: + + >>> import requests + >>> req = requests.request('GET', 'https://httpbin.org/get') + <Response [200]> + """ + + # By using the 'with' statement we are sure the session is closed, thus we + # avoid leaving sockets open which can trigger a ResourceWarning in some + # cases, and look like a memory leak in others. + with sessions.Session() as session: + return session.request(method=method, url=url, **kwargs) + + +def get(url, params=None, **kwargs): + r"""Sends a GET request. + + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary, list of tuples or bytes to send + in the query string for the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return request('get', url, params=params, **kwargs) + + +def options(url, **kwargs): + r"""Sends an OPTIONS request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return request('options', url, **kwargs) + + +def head(url, **kwargs): + r"""Sends a HEAD request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', False) + return request('head', url, **kwargs) + + +def post(url, data=None, json=None, **kwargs): + r"""Sends a POST request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('post', url, data=data, json=json, **kwargs) + + +def put(url, data=None, **kwargs): + r"""Sends a PUT request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('put', url, data=data, **kwargs) + + +def patch(url, data=None, **kwargs): + r"""Sends a PATCH request. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json data to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('patch', url, data=data, **kwargs) + + +def delete(url, **kwargs): + r"""Sends a DELETE request. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :return: :class:`Response <Response>` object + :rtype: requests.Response + """ + + return request('delete', url, **kwargs) diff --git a/venv/lib/python3.7/site-packages/requests/auth.py b/venv/lib/python3.7/site-packages/requests/auth.py new file mode 100644 index 0000000..bdde51c --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/auth.py @@ -0,0 +1,305 @@ +# -*- coding: utf-8 -*- + +""" +requests.auth +~~~~~~~~~~~~~ + +This module contains the authentication handlers for Requests. +""" + +import os +import re +import time +import hashlib +import threading +import warnings + +from base64 import b64encode + +from .compat import urlparse, str, basestring +from .cookies import extract_cookies_to_jar +from ._internal_utils import to_native_string +from .utils import parse_dict_header + +CONTENT_TYPE_FORM_URLENCODED = 'application/x-www-form-urlencoded' +CONTENT_TYPE_MULTI_PART = 'multipart/form-data' + + +def _basic_auth_str(username, password): + """Returns a Basic Auth string.""" + + # "I want us to put a big-ol' comment on top of it that + # says that this behaviour is dumb but we need to preserve + # it because people are relying on it." + # - Lukasa + # + # These are here solely to maintain backwards compatibility + # for things like ints. This will be removed in 3.0.0. + if not isinstance(username, basestring): + warnings.warn( + "Non-string usernames will no longer be supported in Requests " + "3.0.0. Please convert the object you've passed in ({!r}) to " + "a string or bytes object in the near future to avoid " + "problems.".format(username), + category=DeprecationWarning, + ) + username = str(username) + + if not isinstance(password, basestring): + warnings.warn( + "Non-string passwords will no longer be supported in Requests " + "3.0.0. Please convert the object you've passed in ({!r}) to " + "a string or bytes object in the near future to avoid " + "problems.".format(password), + category=DeprecationWarning, + ) + password = str(password) + # -- End Removal -- + + if isinstance(username, str): + username = username.encode('latin1') + + if isinstance(password, str): + password = password.encode('latin1') + + authstr = 'Basic ' + to_native_string( + b64encode(b':'.join((username, password))).strip() + ) + + return authstr + + +class AuthBase(object): + """Base class that all auth implementations derive from""" + + def __call__(self, r): + raise NotImplementedError('Auth hooks must be callable.') + + +class HTTPBasicAuth(AuthBase): + """Attaches HTTP Basic Authentication to the given Request object.""" + + def __init__(self, username, password): + self.username = username + self.password = password + + def __eq__(self, other): + return all([ + self.username == getattr(other, 'username', None), + self.password == getattr(other, 'password', None) + ]) + + def __ne__(self, other): + return not self == other + + def __call__(self, r): + r.headers['Authorization'] = _basic_auth_str(self.username, self.password) + return r + + +class HTTPProxyAuth(HTTPBasicAuth): + """Attaches HTTP Proxy Authentication to a given Request object.""" + + def __call__(self, r): + r.headers['Proxy-Authorization'] = _basic_auth_str(self.username, self.password) + return r + + +class HTTPDigestAuth(AuthBase): + """Attaches HTTP Digest Authentication to the given Request object.""" + + def __init__(self, username, password): + self.username = username + self.password = password + # Keep state in per-thread local storage + self._thread_local = threading.local() + + def init_per_thread_state(self): + # Ensure state is initialized just once per-thread + if not hasattr(self._thread_local, 'init'): + self._thread_local.init = True + self._thread_local.last_nonce = '' + self._thread_local.nonce_count = 0 + self._thread_local.chal = {} + self._thread_local.pos = None + self._thread_local.num_401_calls = None + + def build_digest_header(self, method, url): + """ + :rtype: str + """ + + realm = self._thread_local.chal['realm'] + nonce = self._thread_local.chal['nonce'] + qop = self._thread_local.chal.get('qop') + algorithm = self._thread_local.chal.get('algorithm') + opaque = self._thread_local.chal.get('opaque') + hash_utf8 = None + + if algorithm is None: + _algorithm = 'MD5' + else: + _algorithm = algorithm.upper() + # lambdas assume digest modules are imported at the top level + if _algorithm == 'MD5' or _algorithm == 'MD5-SESS': + def md5_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.md5(x).hexdigest() + hash_utf8 = md5_utf8 + elif _algorithm == 'SHA': + def sha_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha1(x).hexdigest() + hash_utf8 = sha_utf8 + elif _algorithm == 'SHA-256': + def sha256_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha256(x).hexdigest() + hash_utf8 = sha256_utf8 + elif _algorithm == 'SHA-512': + def sha512_utf8(x): + if isinstance(x, str): + x = x.encode('utf-8') + return hashlib.sha512(x).hexdigest() + hash_utf8 = sha512_utf8 + + KD = lambda s, d: hash_utf8("%s:%s" % (s, d)) + + if hash_utf8 is None: + return None + + # XXX not implemented yet + entdig = None + p_parsed = urlparse(url) + #: path is request-uri defined in RFC 2616 which should not be empty + path = p_parsed.path or "/" + if p_parsed.query: + path += '?' + p_parsed.query + + A1 = '%s:%s:%s' % (self.username, realm, self.password) + A2 = '%s:%s' % (method, path) + + HA1 = hash_utf8(A1) + HA2 = hash_utf8(A2) + + if nonce == self._thread_local.last_nonce: + self._thread_local.nonce_count += 1 + else: + self._thread_local.nonce_count = 1 + ncvalue = '%08x' % self._thread_local.nonce_count + s = str(self._thread_local.nonce_count).encode('utf-8') + s += nonce.encode('utf-8') + s += time.ctime().encode('utf-8') + s += os.urandom(8) + + cnonce = (hashlib.sha1(s).hexdigest()[:16]) + if _algorithm == 'MD5-SESS': + HA1 = hash_utf8('%s:%s:%s' % (HA1, nonce, cnonce)) + + if not qop: + respdig = KD(HA1, "%s:%s" % (nonce, HA2)) + elif qop == 'auth' or 'auth' in qop.split(','): + noncebit = "%s:%s:%s:%s:%s" % ( + nonce, ncvalue, cnonce, 'auth', HA2 + ) + respdig = KD(HA1, noncebit) + else: + # XXX handle auth-int. + return None + + self._thread_local.last_nonce = nonce + + # XXX should the partial digests be encoded too? + base = 'username="%s", realm="%s", nonce="%s", uri="%s", ' \ + 'response="%s"' % (self.username, realm, nonce, path, respdig) + if opaque: + base += ', opaque="%s"' % opaque + if algorithm: + base += ', algorithm="%s"' % algorithm + if entdig: + base += ', digest="%s"' % entdig + if qop: + base += ', qop="auth", nc=%s, cnonce="%s"' % (ncvalue, cnonce) + + return 'Digest %s' % (base) + + def handle_redirect(self, r, **kwargs): + """Reset num_401_calls counter on redirects.""" + if r.is_redirect: + self._thread_local.num_401_calls = 1 + + def handle_401(self, r, **kwargs): + """ + Takes the given response and tries digest-auth, if needed. + + :rtype: requests.Response + """ + + # If response is not 4xx, do not auth + # See https://github.com/requests/requests/issues/3772 + if not 400 <= r.status_code < 500: + self._thread_local.num_401_calls = 1 + return r + + if self._thread_local.pos is not None: + # Rewind the file position indicator of the body to where + # it was to resend the request. + r.request.body.seek(self._thread_local.pos) + s_auth = r.headers.get('www-authenticate', '') + + if 'digest' in s_auth.lower() and self._thread_local.num_401_calls < 2: + + self._thread_local.num_401_calls += 1 + pat = re.compile(r'digest ', flags=re.IGNORECASE) + self._thread_local.chal = parse_dict_header(pat.sub('', s_auth, count=1)) + + # Consume content and release the original connection + # to allow our new request to reuse the same one. + r.content + r.close() + prep = r.request.copy() + extract_cookies_to_jar(prep._cookies, r.request, r.raw) + prep.prepare_cookies(prep._cookies) + + prep.headers['Authorization'] = self.build_digest_header( + prep.method, prep.url) + _r = r.connection.send(prep, **kwargs) + _r.history.append(r) + _r.request = prep + + return _r + + self._thread_local.num_401_calls = 1 + return r + + def __call__(self, r): + # Initialize per-thread state, if needed + self.init_per_thread_state() + # If we have a saved nonce, skip the 401 + if self._thread_local.last_nonce: + r.headers['Authorization'] = self.build_digest_header(r.method, r.url) + try: + self._thread_local.pos = r.body.tell() + except AttributeError: + # In the case of HTTPDigestAuth being reused and the body of + # the previous request was a file-like object, pos has the + # file position of the previous body. Ensure it's set to + # None. + self._thread_local.pos = None + r.register_hook('response', self.handle_401) + r.register_hook('response', self.handle_redirect) + self._thread_local.num_401_calls = 1 + + return r + + def __eq__(self, other): + return all([ + self.username == getattr(other, 'username', None), + self.password == getattr(other, 'password', None) + ]) + + def __ne__(self, other): + return not self == other diff --git a/venv/lib/python3.7/site-packages/requests/certs.py b/venv/lib/python3.7/site-packages/requests/certs.py new file mode 100644 index 0000000..d1a378d --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/certs.py @@ -0,0 +1,18 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +requests.certs +~~~~~~~~~~~~~~ + +This module returns the preferred default CA certificate bundle. There is +only one — the one from the certifi package. + +If you are packaging Requests, e.g., for a Linux distribution or a managed +environment, you can change the definition of where() to return a separately +packaged CA bundle. +""" +from certifi import where + +if __name__ == '__main__': + print(where()) diff --git a/venv/lib/python3.7/site-packages/requests/compat.py b/venv/lib/python3.7/site-packages/requests/compat.py new file mode 100644 index 0000000..c44b35e --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/compat.py @@ -0,0 +1,70 @@ +# -*- coding: utf-8 -*- + +""" +requests.compat +~~~~~~~~~~~~~~~ + +This module handles import compatibility issues between Python 2 and +Python 3. +""" + +import chardet + +import sys + +# ------- +# Pythons +# ------- + +# Syntax sugar. +_ver = sys.version_info + +#: Python 2.x? +is_py2 = (_ver[0] == 2) + +#: Python 3.x? +is_py3 = (_ver[0] == 3) + +try: + import simplejson as json +except ImportError: + import json + +# --------- +# Specifics +# --------- + +if is_py2: + from urllib import ( + quote, unquote, quote_plus, unquote_plus, urlencode, getproxies, + proxy_bypass, proxy_bypass_environment, getproxies_environment) + from urlparse import urlparse, urlunparse, urljoin, urlsplit, urldefrag + from urllib2 import parse_http_list + import cookielib + from Cookie import Morsel + from StringIO import StringIO + from collections import Callable, Mapping, MutableMapping, OrderedDict + + + builtin_str = str + bytes = str + str = unicode + basestring = basestring + numeric_types = (int, long, float) + integer_types = (int, long) + +elif is_py3: + from urllib.parse import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, quote_plus, unquote_plus, urldefrag + from urllib.request import parse_http_list, getproxies, proxy_bypass, proxy_bypass_environment, getproxies_environment + from http import cookiejar as cookielib + from http.cookies import Morsel + from io import StringIO + from collections import OrderedDict + from collections.abc import Callable, Mapping, MutableMapping + + builtin_str = str + str = str + bytes = bytes + basestring = (str, bytes) + numeric_types = (int, float) + integer_types = (int,) diff --git a/venv/lib/python3.7/site-packages/requests/cookies.py b/venv/lib/python3.7/site-packages/requests/cookies.py new file mode 100644 index 0000000..56fccd9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/cookies.py @@ -0,0 +1,549 @@ +# -*- coding: utf-8 -*- + +""" +requests.cookies +~~~~~~~~~~~~~~~~ + +Compatibility code to be able to use `cookielib.CookieJar` with requests. + +requests.utils imports from here, so be careful with imports. +""" + +import copy +import time +import calendar + +from ._internal_utils import to_native_string +from .compat import cookielib, urlparse, urlunparse, Morsel, MutableMapping + +try: + import threading +except ImportError: + import dummy_threading as threading + + +class MockRequest(object): + """Wraps a `requests.Request` to mimic a `urllib2.Request`. + + The code in `cookielib.CookieJar` expects this interface in order to correctly + manage cookie policies, i.e., determine whether a cookie can be set, given the + domains of the request and the cookie. + + The original request object is read-only. The client is responsible for collecting + the new headers via `get_new_headers()` and interpreting them appropriately. You + probably want `get_cookie_header`, defined below. + """ + + def __init__(self, request): + self._r = request + self._new_headers = {} + self.type = urlparse(self._r.url).scheme + + def get_type(self): + return self.type + + def get_host(self): + return urlparse(self._r.url).netloc + + def get_origin_req_host(self): + return self.get_host() + + def get_full_url(self): + # Only return the response's URL if the user hadn't set the Host + # header + if not self._r.headers.get('Host'): + return self._r.url + # If they did set it, retrieve it and reconstruct the expected domain + host = to_native_string(self._r.headers['Host'], encoding='utf-8') + parsed = urlparse(self._r.url) + # Reconstruct the URL as we expect it + return urlunparse([ + parsed.scheme, host, parsed.path, parsed.params, parsed.query, + parsed.fragment + ]) + + def is_unverifiable(self): + return True + + def has_header(self, name): + return name in self._r.headers or name in self._new_headers + + def get_header(self, name, default=None): + return self._r.headers.get(name, self._new_headers.get(name, default)) + + def add_header(self, key, val): + """cookielib has no legitimate use for this method; add it back if you find one.""" + raise NotImplementedError("Cookie headers should be added with add_unredirected_header()") + + def add_unredirected_header(self, name, value): + self._new_headers[name] = value + + def get_new_headers(self): + return self._new_headers + + @property + def unverifiable(self): + return self.is_unverifiable() + + @property + def origin_req_host(self): + return self.get_origin_req_host() + + @property + def host(self): + return self.get_host() + + +class MockResponse(object): + """Wraps a `httplib.HTTPMessage` to mimic a `urllib.addinfourl`. + + ...what? Basically, expose the parsed HTTP headers from the server response + the way `cookielib` expects to see them. + """ + + def __init__(self, headers): + """Make a MockResponse for `cookielib` to read. + + :param headers: a httplib.HTTPMessage or analogous carrying the headers + """ + self._headers = headers + + def info(self): + return self._headers + + def getheaders(self, name): + self._headers.getheaders(name) + + +def extract_cookies_to_jar(jar, request, response): + """Extract the cookies from the response into a CookieJar. + + :param jar: cookielib.CookieJar (not necessarily a RequestsCookieJar) + :param request: our own requests.Request object + :param response: urllib3.HTTPResponse object + """ + if not (hasattr(response, '_original_response') and + response._original_response): + return + # the _original_response field is the wrapped httplib.HTTPResponse object, + req = MockRequest(request) + # pull out the HTTPMessage with the headers and put it in the mock: + res = MockResponse(response._original_response.msg) + jar.extract_cookies(res, req) + + +def get_cookie_header(jar, request): + """ + Produce an appropriate Cookie header string to be sent with `request`, or None. + + :rtype: str + """ + r = MockRequest(request) + jar.add_cookie_header(r) + return r.get_new_headers().get('Cookie') + + +def remove_cookie_by_name(cookiejar, name, domain=None, path=None): + """Unsets a cookie by name, by default over all domains and paths. + + Wraps CookieJar.clear(), is O(n). + """ + clearables = [] + for cookie in cookiejar: + if cookie.name != name: + continue + if domain is not None and domain != cookie.domain: + continue + if path is not None and path != cookie.path: + continue + clearables.append((cookie.domain, cookie.path, cookie.name)) + + for domain, path, name in clearables: + cookiejar.clear(domain, path, name) + + +class CookieConflictError(RuntimeError): + """There are two cookies that meet the criteria specified in the cookie jar. + Use .get and .set and include domain and path args in order to be more specific. + """ + + +class RequestsCookieJar(cookielib.CookieJar, MutableMapping): + """Compatibility class; is a cookielib.CookieJar, but exposes a dict + interface. + + This is the CookieJar we create by default for requests and sessions that + don't specify one, since some clients may expect response.cookies and + session.cookies to support dict operations. + + Requests does not use the dict interface internally; it's just for + compatibility with external client code. All requests code should work + out of the box with externally provided instances of ``CookieJar``, e.g. + ``LWPCookieJar`` and ``FileCookieJar``. + + Unlike a regular CookieJar, this class is pickleable. + + .. warning:: dictionary operations that are normally O(1) may be O(n). + """ + + def get(self, name, default=None, domain=None, path=None): + """Dict-like get() that also supports optional domain and path args in + order to resolve naming collisions from using one cookie jar over + multiple domains. + + .. warning:: operation is O(n), not O(1). + """ + try: + return self._find_no_duplicates(name, domain, path) + except KeyError: + return default + + def set(self, name, value, **kwargs): + """Dict-like set() that also supports optional domain and path args in + order to resolve naming collisions from using one cookie jar over + multiple domains. + """ + # support client code that unsets cookies by assignment of a None value: + if value is None: + remove_cookie_by_name(self, name, domain=kwargs.get('domain'), path=kwargs.get('path')) + return + + if isinstance(value, Morsel): + c = morsel_to_cookie(value) + else: + c = create_cookie(name, value, **kwargs) + self.set_cookie(c) + return c + + def iterkeys(self): + """Dict-like iterkeys() that returns an iterator of names of cookies + from the jar. + + .. seealso:: itervalues() and iteritems(). + """ + for cookie in iter(self): + yield cookie.name + + def keys(self): + """Dict-like keys() that returns a list of names of cookies from the + jar. + + .. seealso:: values() and items(). + """ + return list(self.iterkeys()) + + def itervalues(self): + """Dict-like itervalues() that returns an iterator of values of cookies + from the jar. + + .. seealso:: iterkeys() and iteritems(). + """ + for cookie in iter(self): + yield cookie.value + + def values(self): + """Dict-like values() that returns a list of values of cookies from the + jar. + + .. seealso:: keys() and items(). + """ + return list(self.itervalues()) + + def iteritems(self): + """Dict-like iteritems() that returns an iterator of name-value tuples + from the jar. + + .. seealso:: iterkeys() and itervalues(). + """ + for cookie in iter(self): + yield cookie.name, cookie.value + + def items(self): + """Dict-like items() that returns a list of name-value tuples from the + jar. Allows client-code to call ``dict(RequestsCookieJar)`` and get a + vanilla python dict of key value pairs. + + .. seealso:: keys() and values(). + """ + return list(self.iteritems()) + + def list_domains(self): + """Utility method to list all the domains in the jar.""" + domains = [] + for cookie in iter(self): + if cookie.domain not in domains: + domains.append(cookie.domain) + return domains + + def list_paths(self): + """Utility method to list all the paths in the jar.""" + paths = [] + for cookie in iter(self): + if cookie.path not in paths: + paths.append(cookie.path) + return paths + + def multiple_domains(self): + """Returns True if there are multiple domains in the jar. + Returns False otherwise. + + :rtype: bool + """ + domains = [] + for cookie in iter(self): + if cookie.domain is not None and cookie.domain in domains: + return True + domains.append(cookie.domain) + return False # there is only one domain in jar + + def get_dict(self, domain=None, path=None): + """Takes as an argument an optional domain and path and returns a plain + old Python dict of name-value pairs of cookies that meet the + requirements. + + :rtype: dict + """ + dictionary = {} + for cookie in iter(self): + if ( + (domain is None or cookie.domain == domain) and + (path is None or cookie.path == path) + ): + dictionary[cookie.name] = cookie.value + return dictionary + + def __contains__(self, name): + try: + return super(RequestsCookieJar, self).__contains__(name) + except CookieConflictError: + return True + + def __getitem__(self, name): + """Dict-like __getitem__() for compatibility with client code. Throws + exception if there are more than one cookie with name. In that case, + use the more explicit get() method instead. + + .. warning:: operation is O(n), not O(1). + """ + return self._find_no_duplicates(name) + + def __setitem__(self, name, value): + """Dict-like __setitem__ for compatibility with client code. Throws + exception if there is already a cookie of that name in the jar. In that + case, use the more explicit set() method instead. + """ + self.set(name, value) + + def __delitem__(self, name): + """Deletes a cookie given a name. Wraps ``cookielib.CookieJar``'s + ``remove_cookie_by_name()``. + """ + remove_cookie_by_name(self, name) + + def set_cookie(self, cookie, *args, **kwargs): + if hasattr(cookie.value, 'startswith') and cookie.value.startswith('"') and cookie.value.endswith('"'): + cookie.value = cookie.value.replace('\\"', '') + return super(RequestsCookieJar, self).set_cookie(cookie, *args, **kwargs) + + def update(self, other): + """Updates this jar with cookies from another CookieJar or dict-like""" + if isinstance(other, cookielib.CookieJar): + for cookie in other: + self.set_cookie(copy.copy(cookie)) + else: + super(RequestsCookieJar, self).update(other) + + def _find(self, name, domain=None, path=None): + """Requests uses this method internally to get cookie values. + + If there are conflicting cookies, _find arbitrarily chooses one. + See _find_no_duplicates if you want an exception thrown if there are + conflicting cookies. + + :param name: a string containing name of cookie + :param domain: (optional) string containing domain of cookie + :param path: (optional) string containing path of cookie + :return: cookie.value + """ + for cookie in iter(self): + if cookie.name == name: + if domain is None or cookie.domain == domain: + if path is None or cookie.path == path: + return cookie.value + + raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path)) + + def _find_no_duplicates(self, name, domain=None, path=None): + """Both ``__get_item__`` and ``get`` call this function: it's never + used elsewhere in Requests. + + :param name: a string containing name of cookie + :param domain: (optional) string containing domain of cookie + :param path: (optional) string containing path of cookie + :raises KeyError: if cookie is not found + :raises CookieConflictError: if there are multiple cookies + that match name and optionally domain and path + :return: cookie.value + """ + toReturn = None + for cookie in iter(self): + if cookie.name == name: + if domain is None or cookie.domain == domain: + if path is None or cookie.path == path: + if toReturn is not None: # if there are multiple cookies that meet passed in criteria + raise CookieConflictError('There are multiple cookies with name, %r' % (name)) + toReturn = cookie.value # we will eventually return this as long as no cookie conflict + + if toReturn: + return toReturn + raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path)) + + def __getstate__(self): + """Unlike a normal CookieJar, this class is pickleable.""" + state = self.__dict__.copy() + # remove the unpickleable RLock object + state.pop('_cookies_lock') + return state + + def __setstate__(self, state): + """Unlike a normal CookieJar, this class is pickleable.""" + self.__dict__.update(state) + if '_cookies_lock' not in self.__dict__: + self._cookies_lock = threading.RLock() + + def copy(self): + """Return a copy of this RequestsCookieJar.""" + new_cj = RequestsCookieJar() + new_cj.set_policy(self.get_policy()) + new_cj.update(self) + return new_cj + + def get_policy(self): + """Return the CookiePolicy instance used.""" + return self._policy + + +def _copy_cookie_jar(jar): + if jar is None: + return None + + if hasattr(jar, 'copy'): + # We're dealing with an instance of RequestsCookieJar + return jar.copy() + # We're dealing with a generic CookieJar instance + new_jar = copy.copy(jar) + new_jar.clear() + for cookie in jar: + new_jar.set_cookie(copy.copy(cookie)) + return new_jar + + +def create_cookie(name, value, **kwargs): + """Make a cookie from underspecified parameters. + + By default, the pair of `name` and `value` will be set for the domain '' + and sent on every request (this is sometimes called a "supercookie"). + """ + result = { + 'version': 0, + 'name': name, + 'value': value, + 'port': None, + 'domain': '', + 'path': '/', + 'secure': False, + 'expires': None, + 'discard': True, + 'comment': None, + 'comment_url': None, + 'rest': {'HttpOnly': None}, + 'rfc2109': False, + } + + badargs = set(kwargs) - set(result) + if badargs: + err = 'create_cookie() got unexpected keyword arguments: %s' + raise TypeError(err % list(badargs)) + + result.update(kwargs) + result['port_specified'] = bool(result['port']) + result['domain_specified'] = bool(result['domain']) + result['domain_initial_dot'] = result['domain'].startswith('.') + result['path_specified'] = bool(result['path']) + + return cookielib.Cookie(**result) + + +def morsel_to_cookie(morsel): + """Convert a Morsel object into a Cookie containing the one k/v pair.""" + + expires = None + if morsel['max-age']: + try: + expires = int(time.time() + int(morsel['max-age'])) + except ValueError: + raise TypeError('max-age: %s must be integer' % morsel['max-age']) + elif morsel['expires']: + time_template = '%a, %d-%b-%Y %H:%M:%S GMT' + expires = calendar.timegm( + time.strptime(morsel['expires'], time_template) + ) + return create_cookie( + comment=morsel['comment'], + comment_url=bool(morsel['comment']), + discard=False, + domain=morsel['domain'], + expires=expires, + name=morsel.key, + path=morsel['path'], + port=None, + rest={'HttpOnly': morsel['httponly']}, + rfc2109=False, + secure=bool(morsel['secure']), + value=morsel.value, + version=morsel['version'] or 0, + ) + + +def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True): + """Returns a CookieJar from a key/value dictionary. + + :param cookie_dict: Dict of key/values to insert into CookieJar. + :param cookiejar: (optional) A cookiejar to add the cookies to. + :param overwrite: (optional) If False, will not replace cookies + already in the jar with new ones. + :rtype: CookieJar + """ + if cookiejar is None: + cookiejar = RequestsCookieJar() + + if cookie_dict is not None: + names_from_jar = [cookie.name for cookie in cookiejar] + for name in cookie_dict: + if overwrite or (name not in names_from_jar): + cookiejar.set_cookie(create_cookie(name, cookie_dict[name])) + + return cookiejar + + +def merge_cookies(cookiejar, cookies): + """Add cookies to cookiejar and returns a merged CookieJar. + + :param cookiejar: CookieJar object to add the cookies to. + :param cookies: Dictionary or CookieJar object to be added. + :rtype: CookieJar + """ + if not isinstance(cookiejar, cookielib.CookieJar): + raise ValueError('You can only merge into CookieJar') + + if isinstance(cookies, dict): + cookiejar = cookiejar_from_dict( + cookies, cookiejar=cookiejar, overwrite=False) + elif isinstance(cookies, cookielib.CookieJar): + try: + cookiejar.update(cookies) + except AttributeError: + for cookie_in_jar in cookies: + cookiejar.set_cookie(cookie_in_jar) + + return cookiejar diff --git a/venv/lib/python3.7/site-packages/requests/exceptions.py b/venv/lib/python3.7/site-packages/requests/exceptions.py new file mode 100644 index 0000000..a80cad8 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/exceptions.py @@ -0,0 +1,126 @@ +# -*- coding: utf-8 -*- + +""" +requests.exceptions +~~~~~~~~~~~~~~~~~~~ + +This module contains the set of Requests' exceptions. +""" +from urllib3.exceptions import HTTPError as BaseHTTPError + + +class RequestException(IOError): + """There was an ambiguous exception that occurred while handling your + request. + """ + + def __init__(self, *args, **kwargs): + """Initialize RequestException with `request` and `response` objects.""" + response = kwargs.pop('response', None) + self.response = response + self.request = kwargs.pop('request', None) + if (response is not None and not self.request and + hasattr(response, 'request')): + self.request = self.response.request + super(RequestException, self).__init__(*args, **kwargs) + + +class HTTPError(RequestException): + """An HTTP error occurred.""" + + +class ConnectionError(RequestException): + """A Connection error occurred.""" + + +class ProxyError(ConnectionError): + """A proxy error occurred.""" + + +class SSLError(ConnectionError): + """An SSL error occurred.""" + + +class Timeout(RequestException): + """The request timed out. + + Catching this error will catch both + :exc:`~requests.exceptions.ConnectTimeout` and + :exc:`~requests.exceptions.ReadTimeout` errors. + """ + + +class ConnectTimeout(ConnectionError, Timeout): + """The request timed out while trying to connect to the remote server. + + Requests that produced this error are safe to retry. + """ + + +class ReadTimeout(Timeout): + """The server did not send any data in the allotted amount of time.""" + + +class URLRequired(RequestException): + """A valid URL is required to make a request.""" + + +class TooManyRedirects(RequestException): + """Too many redirects.""" + + +class MissingSchema(RequestException, ValueError): + """The URL schema (e.g. http or https) is missing.""" + + +class InvalidSchema(RequestException, ValueError): + """See defaults.py for valid schemas.""" + + +class InvalidURL(RequestException, ValueError): + """The URL provided was somehow invalid.""" + + +class InvalidHeader(RequestException, ValueError): + """The header value provided was somehow invalid.""" + + +class InvalidProxyURL(InvalidURL): + """The proxy URL provided is invalid.""" + + +class ChunkedEncodingError(RequestException): + """The server declared chunked encoding but sent an invalid chunk.""" + + +class ContentDecodingError(RequestException, BaseHTTPError): + """Failed to decode response content""" + + +class StreamConsumedError(RequestException, TypeError): + """The content for this response was already consumed""" + + +class RetryError(RequestException): + """Custom retries logic failed""" + + +class UnrewindableBodyError(RequestException): + """Requests encountered an error when trying to rewind a body""" + +# Warnings + + +class RequestsWarning(Warning): + """Base warning for Requests.""" + pass + + +class FileModeWarning(RequestsWarning, DeprecationWarning): + """A file was opened in text mode, but Requests determined its binary length.""" + pass + + +class RequestsDependencyWarning(RequestsWarning): + """An imported dependency doesn't match the expected version range.""" + pass diff --git a/venv/lib/python3.7/site-packages/requests/help.py b/venv/lib/python3.7/site-packages/requests/help.py new file mode 100644 index 0000000..e53d35e --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/help.py @@ -0,0 +1,119 @@ +"""Module containing bug report helper(s).""" +from __future__ import print_function + +import json +import platform +import sys +import ssl + +import idna +import urllib3 +import chardet + +from . import __version__ as requests_version + +try: + from urllib3.contrib import pyopenssl +except ImportError: + pyopenssl = None + OpenSSL = None + cryptography = None +else: + import OpenSSL + import cryptography + + +def _implementation(): + """Return a dict with the Python implementation and version. + + Provide both the name and the version of the Python implementation + currently running. For example, on CPython 2.7.5 it will return + {'name': 'CPython', 'version': '2.7.5'}. + + This function works best on CPython and PyPy: in particular, it probably + doesn't work for Jython or IronPython. Future investigation should be done + to work out the correct shape of the code for those platforms. + """ + implementation = platform.python_implementation() + + if implementation == 'CPython': + implementation_version = platform.python_version() + elif implementation == 'PyPy': + implementation_version = '%s.%s.%s' % (sys.pypy_version_info.major, + sys.pypy_version_info.minor, + sys.pypy_version_info.micro) + if sys.pypy_version_info.releaselevel != 'final': + implementation_version = ''.join([ + implementation_version, sys.pypy_version_info.releaselevel + ]) + elif implementation == 'Jython': + implementation_version = platform.python_version() # Complete Guess + elif implementation == 'IronPython': + implementation_version = platform.python_version() # Complete Guess + else: + implementation_version = 'Unknown' + + return {'name': implementation, 'version': implementation_version} + + +def info(): + """Generate information for a bug report.""" + try: + platform_info = { + 'system': platform.system(), + 'release': platform.release(), + } + except IOError: + platform_info = { + 'system': 'Unknown', + 'release': 'Unknown', + } + + implementation_info = _implementation() + urllib3_info = {'version': urllib3.__version__} + chardet_info = {'version': chardet.__version__} + + pyopenssl_info = { + 'version': None, + 'openssl_version': '', + } + if OpenSSL: + pyopenssl_info = { + 'version': OpenSSL.__version__, + 'openssl_version': '%x' % OpenSSL.SSL.OPENSSL_VERSION_NUMBER, + } + cryptography_info = { + 'version': getattr(cryptography, '__version__', ''), + } + idna_info = { + 'version': getattr(idna, '__version__', ''), + } + + system_ssl = ssl.OPENSSL_VERSION_NUMBER + system_ssl_info = { + 'version': '%x' % system_ssl if system_ssl is not None else '' + } + + return { + 'platform': platform_info, + 'implementation': implementation_info, + 'system_ssl': system_ssl_info, + 'using_pyopenssl': pyopenssl is not None, + 'pyOpenSSL': pyopenssl_info, + 'urllib3': urllib3_info, + 'chardet': chardet_info, + 'cryptography': cryptography_info, + 'idna': idna_info, + 'requests': { + 'version': requests_version, + }, + } + + +def main(): + """Pretty-print the bug information as JSON.""" + print(json.dumps(info(), sort_keys=True, indent=2)) + + +if __name__ == '__main__': + main() diff --git a/venv/lib/python3.7/site-packages/requests/hooks.py b/venv/lib/python3.7/site-packages/requests/hooks.py new file mode 100644 index 0000000..7a51f21 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/hooks.py @@ -0,0 +1,34 @@ +# -*- coding: utf-8 -*- + +""" +requests.hooks +~~~~~~~~~~~~~~ + +This module provides the capabilities for the Requests hooks system. + +Available hooks: + +``response``: + The response generated from a Request. +""" +HOOKS = ['response'] + + +def default_hooks(): + return {event: [] for event in HOOKS} + +# TODO: response is the only one + + +def dispatch_hook(key, hooks, hook_data, **kwargs): + """Dispatches a hook dictionary on a given piece of data.""" + hooks = hooks or {} + hooks = hooks.get(key) + if hooks: + if hasattr(hooks, '__call__'): + hooks = [hooks] + for hook in hooks: + _hook_data = hook(hook_data, **kwargs) + if _hook_data is not None: + hook_data = _hook_data + return hook_data diff --git a/venv/lib/python3.7/site-packages/requests/models.py b/venv/lib/python3.7/site-packages/requests/models.py new file mode 100644 index 0000000..62dcd0b --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/models.py @@ -0,0 +1,953 @@ +# -*- coding: utf-8 -*- + +""" +requests.models +~~~~~~~~~~~~~~~ + +This module contains the primary objects that power Requests. +""" + +import datetime +import sys + +# Import encoding now, to avoid implicit import later. +# Implicit import within threads may cause LookupError when standard library is in a ZIP, +# such as in Embedded Python. See https://github.com/requests/requests/issues/3578. +import encodings.idna + +from urllib3.fields import RequestField +from urllib3.filepost import encode_multipart_formdata +from urllib3.util import parse_url +from urllib3.exceptions import ( + DecodeError, ReadTimeoutError, ProtocolError, LocationParseError) + +from io import UnsupportedOperation +from .hooks import default_hooks +from .structures import CaseInsensitiveDict + +from .auth import HTTPBasicAuth +from .cookies import cookiejar_from_dict, get_cookie_header, _copy_cookie_jar +from .exceptions import ( + HTTPError, MissingSchema, InvalidURL, ChunkedEncodingError, + ContentDecodingError, ConnectionError, StreamConsumedError) +from ._internal_utils import to_native_string, unicode_is_ascii +from .utils import ( + guess_filename, get_auth_from_url, requote_uri, + stream_decode_response_unicode, to_key_val_list, parse_header_links, + iter_slices, guess_json_utf, super_len, check_header_validity) +from .compat import ( + Callable, Mapping, + cookielib, urlunparse, urlsplit, urlencode, str, bytes, + is_py2, chardet, builtin_str, basestring) +from .compat import json as complexjson +from .status_codes import codes + +#: The set of HTTP status codes that indicate an automatically +#: processable redirect. +REDIRECT_STATI = ( + codes.moved, # 301 + codes.found, # 302 + codes.other, # 303 + codes.temporary_redirect, # 307 + codes.permanent_redirect, # 308 +) + +DEFAULT_REDIRECT_LIMIT = 30 +CONTENT_CHUNK_SIZE = 10 * 1024 +ITER_CHUNK_SIZE = 512 + + +class RequestEncodingMixin(object): + @property + def path_url(self): + """Build the path URL to use.""" + + url = [] + + p = urlsplit(self.url) + + path = p.path + if not path: + path = '/' + + url.append(path) + + query = p.query + if query: + url.append('?') + url.append(query) + + return ''.join(url) + + @staticmethod + def _encode_params(data): + """Encode parameters in a piece of data. + + Will successfully encode parameters when passed as a dict or a list of + 2-tuples. Order is retained if data is a list of 2-tuples but arbitrary + if parameters are supplied as a dict. + """ + + if isinstance(data, (str, bytes)): + return data + elif hasattr(data, 'read'): + return data + elif hasattr(data, '__iter__'): + result = [] + for k, vs in to_key_val_list(data): + if isinstance(vs, basestring) or not hasattr(vs, '__iter__'): + vs = [vs] + for v in vs: + if v is not None: + result.append( + (k.encode('utf-8') if isinstance(k, str) else k, + v.encode('utf-8') if isinstance(v, str) else v)) + return urlencode(result, doseq=True) + else: + return data + + @staticmethod + def _encode_files(files, data): + """Build the body for a multipart/form-data request. + + Will successfully encode files when passed as a dict or a list of + tuples. Order is retained if data is a list of tuples but arbitrary + if parameters are supplied as a dict. + The tuples may be 2-tuples (filename, fileobj), 3-tuples (filename, fileobj, contentype) + or 4-tuples (filename, fileobj, contentype, custom_headers). + """ + if (not files): + raise ValueError("Files must be provided.") + elif isinstance(data, basestring): + raise ValueError("Data must not be a string.") + + new_fields = [] + fields = to_key_val_list(data or {}) + files = to_key_val_list(files or {}) + + for field, val in fields: + if isinstance(val, basestring) or not hasattr(val, '__iter__'): + val = [val] + for v in val: + if v is not None: + # Don't call str() on bytestrings: in Py3 it all goes wrong. + if not isinstance(v, bytes): + v = str(v) + + new_fields.append( + (field.decode('utf-8') if isinstance(field, bytes) else field, + v.encode('utf-8') if isinstance(v, str) else v)) + + for (k, v) in files: + # support for explicit filename + ft = None + fh = None + if isinstance(v, (tuple, list)): + if len(v) == 2: + fn, fp = v + elif len(v) == 3: + fn, fp, ft = v + else: + fn, fp, ft, fh = v + else: + fn = guess_filename(v) or k + fp = v + + if isinstance(fp, (str, bytes, bytearray)): + fdata = fp + elif hasattr(fp, 'read'): + fdata = fp.read() + elif fp is None: + continue + else: + fdata = fp + + rf = RequestField(name=k, data=fdata, filename=fn, headers=fh) + rf.make_multipart(content_type=ft) + new_fields.append(rf) + + body, content_type = encode_multipart_formdata(new_fields) + + return body, content_type + + +class RequestHooksMixin(object): + def register_hook(self, event, hook): + """Properly register a hook.""" + + if event not in self.hooks: + raise ValueError('Unsupported event specified, with event name "%s"' % (event)) + + if isinstance(hook, Callable): + self.hooks[event].append(hook) + elif hasattr(hook, '__iter__'): + self.hooks[event].extend(h for h in hook if isinstance(h, Callable)) + + def deregister_hook(self, event, hook): + """Deregister a previously registered hook. + Returns True if the hook existed, False if not. + """ + + try: + self.hooks[event].remove(hook) + return True + except ValueError: + return False + + +class Request(RequestHooksMixin): + """A user-created :class:`Request <Request>` object. + + Used to prepare a :class:`PreparedRequest <PreparedRequest>`, which is sent to the server. + + :param method: HTTP method to use. + :param url: URL to send. + :param headers: dictionary of headers to send. + :param files: dictionary of {filename: fileobject} files to multipart upload. + :param data: the body to attach to the request. If a dictionary or + list of tuples ``[(key, value)]`` is provided, form-encoding will + take place. + :param json: json for the body to attach to the request (if files or data is not specified). + :param params: URL parameters to append to the URL. If a dictionary or + list of tuples ``[(key, value)]`` is provided, form-encoding will + take place. + :param auth: Auth handler or (user, pass) tuple. + :param cookies: dictionary or CookieJar of cookies to attach to this request. + :param hooks: dictionary of callback hooks, for internal usage. + + Usage:: + + >>> import requests + >>> req = requests.Request('GET', 'https://httpbin.org/get') + >>> req.prepare() + <PreparedRequest [GET]> + """ + + def __init__(self, + method=None, url=None, headers=None, files=None, data=None, + params=None, auth=None, cookies=None, hooks=None, json=None): + + # Default empty dicts for dict params. + data = [] if data is None else data + files = [] if files is None else files + headers = {} if headers is None else headers + params = {} if params is None else params + hooks = {} if hooks is None else hooks + + self.hooks = default_hooks() + for (k, v) in list(hooks.items()): + self.register_hook(event=k, hook=v) + + self.method = method + self.url = url + self.headers = headers + self.files = files + self.data = data + self.json = json + self.params = params + self.auth = auth + self.cookies = cookies + + def __repr__(self): + return '<Request [%s]>' % (self.method) + + def prepare(self): + """Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it.""" + p = PreparedRequest() + p.prepare( + method=self.method, + url=self.url, + headers=self.headers, + files=self.files, + data=self.data, + json=self.json, + params=self.params, + auth=self.auth, + cookies=self.cookies, + hooks=self.hooks, + ) + return p + + +class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): + """The fully mutable :class:`PreparedRequest <PreparedRequest>` object, + containing the exact bytes that will be sent to the server. + + Generated from either a :class:`Request <Request>` object or manually. + + Usage:: + + >>> import requests + >>> req = requests.Request('GET', 'https://httpbin.org/get') + >>> r = req.prepare() + <PreparedRequest [GET]> + + >>> s = requests.Session() + >>> s.send(r) + <Response [200]> + """ + + def __init__(self): + #: HTTP verb to send to the server. + self.method = None + #: HTTP URL to send the request to. + self.url = None + #: dictionary of HTTP headers. + self.headers = None + # The `CookieJar` used to create the Cookie header will be stored here + # after prepare_cookies is called + self._cookies = None + #: request body to send to the server. + self.body = None + #: dictionary of callback hooks, for internal usage. + self.hooks = default_hooks() + #: integer denoting starting position of a readable file-like body. + self._body_position = None + + def prepare(self, + method=None, url=None, headers=None, files=None, data=None, + params=None, auth=None, cookies=None, hooks=None, json=None): + """Prepares the entire request with the given parameters.""" + + self.prepare_method(method) + self.prepare_url(url, params) + self.prepare_headers(headers) + self.prepare_cookies(cookies) + self.prepare_body(data, files, json) + self.prepare_auth(auth, url) + + # Note that prepare_auth must be last to enable authentication schemes + # such as OAuth to work on a fully prepared request. + + # This MUST go after prepare_auth. Authenticators could add a hook + self.prepare_hooks(hooks) + + def __repr__(self): + return '<PreparedRequest [%s]>' % (self.method) + + def copy(self): + p = PreparedRequest() + p.method = self.method + p.url = self.url + p.headers = self.headers.copy() if self.headers is not None else None + p._cookies = _copy_cookie_jar(self._cookies) + p.body = self.body + p.hooks = self.hooks + p._body_position = self._body_position + return p + + def prepare_method(self, method): + """Prepares the given HTTP method.""" + self.method = method + if self.method is not None: + self.method = to_native_string(self.method.upper()) + + @staticmethod + def _get_idna_encoded_host(host): + import idna + + try: + host = idna.encode(host, uts46=True).decode('utf-8') + except idna.IDNAError: + raise UnicodeError + return host + + def prepare_url(self, url, params): + """Prepares the given HTTP URL.""" + #: Accept objects that have string representations. + #: We're unable to blindly call unicode/str functions + #: as this will include the bytestring indicator (b'') + #: on python 3.x. + #: https://github.com/requests/requests/pull/2238 + if isinstance(url, bytes): + url = url.decode('utf8') + else: + url = unicode(url) if is_py2 else str(url) + + # Remove leading whitespaces from url + url = url.lstrip() + + # Don't do any URL preparation for non-HTTP schemes like `mailto`, + # `data` etc to work around exceptions from `url_parse`, which + # handles RFC 3986 only. + if ':' in url and not url.lower().startswith('http'): + self.url = url + return + + # Support for unicode domain names and paths. + try: + scheme, auth, host, port, path, query, fragment = parse_url(url) + except LocationParseError as e: + raise InvalidURL(*e.args) + + if not scheme: + error = ("Invalid URL {0!r}: No schema supplied. Perhaps you meant http://{0}?") + error = error.format(to_native_string(url, 'utf8')) + + raise MissingSchema(error) + + if not host: + raise InvalidURL("Invalid URL %r: No host supplied" % url) + + # In general, we want to try IDNA encoding the hostname if the string contains + # non-ASCII characters. This allows users to automatically get the correct IDNA + # behaviour. For strings containing only ASCII characters, we need to also verify + # it doesn't start with a wildcard (*), before allowing the unencoded hostname. + if not unicode_is_ascii(host): + try: + host = self._get_idna_encoded_host(host) + except UnicodeError: + raise InvalidURL('URL has an invalid label.') + elif host.startswith(u'*'): + raise InvalidURL('URL has an invalid label.') + + # Carefully reconstruct the network location + netloc = auth or '' + if netloc: + netloc += '@' + netloc += host + if port: + netloc += ':' + str(port) + + # Bare domains aren't valid URLs. + if not path: + path = '/' + + if is_py2: + if isinstance(scheme, str): + scheme = scheme.encode('utf-8') + if isinstance(netloc, str): + netloc = netloc.encode('utf-8') + if isinstance(path, str): + path = path.encode('utf-8') + if isinstance(query, str): + query = query.encode('utf-8') + if isinstance(fragment, str): + fragment = fragment.encode('utf-8') + + if isinstance(params, (str, bytes)): + params = to_native_string(params) + + enc_params = self._encode_params(params) + if enc_params: + if query: + query = '%s&%s' % (query, enc_params) + else: + query = enc_params + + url = requote_uri(urlunparse([scheme, netloc, path, None, query, fragment])) + self.url = url + + def prepare_headers(self, headers): + """Prepares the given HTTP headers.""" + + self.headers = CaseInsensitiveDict() + if headers: + for header in headers.items(): + # Raise exception on invalid header value. + check_header_validity(header) + name, value = header + self.headers[to_native_string(name)] = value + + def prepare_body(self, data, files, json=None): + """Prepares the given HTTP body data.""" + + # Check if file, fo, generator, iterator. + # If not, run through normal process. + + # Nottin' on you. + body = None + content_type = None + + if not data and json is not None: + # urllib3 requires a bytes-like body. Python 2's json.dumps + # provides this natively, but Python 3 gives a Unicode string. + content_type = 'application/json' + body = complexjson.dumps(json) + if not isinstance(body, bytes): + body = body.encode('utf-8') + + is_stream = all([ + hasattr(data, '__iter__'), + not isinstance(data, (basestring, list, tuple, Mapping)) + ]) + + try: + length = super_len(data) + except (TypeError, AttributeError, UnsupportedOperation): + length = None + + if is_stream: + body = data + + if getattr(body, 'tell', None) is not None: + # Record the current file position before reading. + # This will allow us to rewind a file in the event + # of a redirect. + try: + self._body_position = body.tell() + except (IOError, OSError): + # This differentiates from None, allowing us to catch + # a failed `tell()` later when trying to rewind the body + self._body_position = object() + + if files: + raise NotImplementedError('Streamed bodies and files are mutually exclusive.') + + if length: + self.headers['Content-Length'] = builtin_str(length) + else: + self.headers['Transfer-Encoding'] = 'chunked' + else: + # Multi-part file uploads. + if files: + (body, content_type) = self._encode_files(files, data) + else: + if data: + body = self._encode_params(data) + if isinstance(data, basestring) or hasattr(data, 'read'): + content_type = None + else: + content_type = 'application/x-www-form-urlencoded' + + self.prepare_content_length(body) + + # Add content-type if it wasn't explicitly provided. + if content_type and ('content-type' not in self.headers): + self.headers['Content-Type'] = content_type + + self.body = body + + def prepare_content_length(self, body): + """Prepare Content-Length header based on request method and body""" + if body is not None: + length = super_len(body) + if length: + # If length exists, set it. Otherwise, we fallback + # to Transfer-Encoding: chunked. + self.headers['Content-Length'] = builtin_str(length) + elif self.method not in ('GET', 'HEAD') and self.headers.get('Content-Length') is None: + # Set Content-Length to 0 for methods that can have a body + # but don't provide one. (i.e. not GET or HEAD) + self.headers['Content-Length'] = '0' + + def prepare_auth(self, auth, url=''): + """Prepares the given HTTP auth data.""" + + # If no Auth is explicitly provided, extract it from the URL first. + if auth is None: + url_auth = get_auth_from_url(self.url) + auth = url_auth if any(url_auth) else None + + if auth: + if isinstance(auth, tuple) and len(auth) == 2: + # special-case basic HTTP auth + auth = HTTPBasicAuth(*auth) + + # Allow auth to make its changes. + r = auth(self) + + # Update self to reflect the auth changes. + self.__dict__.update(r.__dict__) + + # Recompute Content-Length + self.prepare_content_length(self.body) + + def prepare_cookies(self, cookies): + """Prepares the given HTTP cookie data. + + This function eventually generates a ``Cookie`` header from the + given cookies using cookielib. Due to cookielib's design, the header + will not be regenerated if it already exists, meaning this function + can only be called once for the life of the + :class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls + to ``prepare_cookies`` will have no actual effect, unless the "Cookie" + header is removed beforehand. + """ + if isinstance(cookies, cookielib.CookieJar): + self._cookies = cookies + else: + self._cookies = cookiejar_from_dict(cookies) + + cookie_header = get_cookie_header(self._cookies, self) + if cookie_header is not None: + self.headers['Cookie'] = cookie_header + + def prepare_hooks(self, hooks): + """Prepares the given hooks.""" + # hooks can be passed as None to the prepare method and to this + # method. To prevent iterating over None, simply use an empty list + # if hooks is False-y + hooks = hooks or [] + for event in hooks: + self.register_hook(event, hooks[event]) + + +class Response(object): + """The :class:`Response <Response>` object, which contains a + server's response to an HTTP request. + """ + + __attrs__ = [ + '_content', 'status_code', 'headers', 'url', 'history', + 'encoding', 'reason', 'cookies', 'elapsed', 'request' + ] + + def __init__(self): + self._content = False + self._content_consumed = False + self._next = None + + #: Integer Code of responded HTTP Status, e.g. 404 or 200. + self.status_code = None + + #: Case-insensitive Dictionary of Response Headers. + #: For example, ``headers['content-encoding']`` will return the + #: value of a ``'Content-Encoding'`` response header. + self.headers = CaseInsensitiveDict() + + #: File-like object representation of response (for advanced usage). + #: Use of ``raw`` requires that ``stream=True`` be set on the request. + # This requirement does not apply for use internally to Requests. + self.raw = None + + #: Final URL location of Response. + self.url = None + + #: Encoding to decode with when accessing r.text. + self.encoding = None + + #: A list of :class:`Response <Response>` objects from + #: the history of the Request. Any redirect responses will end + #: up here. The list is sorted from the oldest to the most recent request. + self.history = [] + + #: Textual reason of responded HTTP Status, e.g. "Not Found" or "OK". + self.reason = None + + #: A CookieJar of Cookies the server sent back. + self.cookies = cookiejar_from_dict({}) + + #: The amount of time elapsed between sending the request + #: and the arrival of the response (as a timedelta). + #: This property specifically measures the time taken between sending + #: the first byte of the request and finishing parsing the headers. It + #: is therefore unaffected by consuming the response content or the + #: value of the ``stream`` keyword argument. + self.elapsed = datetime.timedelta(0) + + #: The :class:`PreparedRequest <PreparedRequest>` object to which this + #: is a response. + self.request = None + + def __enter__(self): + return self + + def __exit__(self, *args): + self.close() + + def __getstate__(self): + # Consume everything; accessing the content attribute makes + # sure the content has been fully read. + if not self._content_consumed: + self.content + + return {attr: getattr(self, attr, None) for attr in self.__attrs__} + + def __setstate__(self, state): + for name, value in state.items(): + setattr(self, name, value) + + # pickled objects do not have .raw + setattr(self, '_content_consumed', True) + setattr(self, 'raw', None) + + def __repr__(self): + return '<Response [%s]>' % (self.status_code) + + def __bool__(self): + """Returns True if :attr:`status_code` is less than 400. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code, is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + return self.ok + + def __nonzero__(self): + """Returns True if :attr:`status_code` is less than 400. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code, is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + return self.ok + + def __iter__(self): + """Allows you to use a response as an iterator.""" + return self.iter_content(128) + + @property + def ok(self): + """Returns True if :attr:`status_code` is less than 400, False if not. + + This attribute checks if the status code of the response is between + 400 and 600 to see if there was a client error or a server error. If + the status code is between 200 and 400, this will return True. This + is **not** a check to see if the response code is ``200 OK``. + """ + try: + self.raise_for_status() + except HTTPError: + return False + return True + + @property + def is_redirect(self): + """True if this Response is a well-formed HTTP redirect that could have + been processed automatically (by :meth:`Session.resolve_redirects`). + """ + return ('location' in self.headers and self.status_code in REDIRECT_STATI) + + @property + def is_permanent_redirect(self): + """True if this Response one of the permanent versions of redirect.""" + return ('location' in self.headers and self.status_code in (codes.moved_permanently, codes.permanent_redirect)) + + @property + def next(self): + """Returns a PreparedRequest for the next request in a redirect chain, if there is one.""" + return self._next + + @property + def apparent_encoding(self): + """The apparent encoding, provided by the chardet library.""" + return chardet.detect(self.content)['encoding'] + + def iter_content(self, chunk_size=1, decode_unicode=False): + """Iterates over the response data. When stream=True is set on the + request, this avoids reading the content at once into memory for + large responses. The chunk size is the number of bytes it should + read into memory. This is not necessarily the length of each item + returned as decoding can take place. + + chunk_size must be of type int or None. A value of None will + function differently depending on the value of `stream`. + stream=True will read data as it arrives in whatever size the + chunks are received. If stream=False, data is returned as + a single chunk. + + If decode_unicode is True, content will be decoded using the best + available encoding based on the response. + """ + + def generate(): + # Special case for urllib3. + if hasattr(self.raw, 'stream'): + try: + for chunk in self.raw.stream(chunk_size, decode_content=True): + yield chunk + except ProtocolError as e: + raise ChunkedEncodingError(e) + except DecodeError as e: + raise ContentDecodingError(e) + except ReadTimeoutError as e: + raise ConnectionError(e) + else: + # Standard file-like object. + while True: + chunk = self.raw.read(chunk_size) + if not chunk: + break + yield chunk + + self._content_consumed = True + + if self._content_consumed and isinstance(self._content, bool): + raise StreamConsumedError() + elif chunk_size is not None and not isinstance(chunk_size, int): + raise TypeError("chunk_size must be an int, it is instead a %s." % type(chunk_size)) + # simulate reading small chunks of the content + reused_chunks = iter_slices(self._content, chunk_size) + + stream_chunks = generate() + + chunks = reused_chunks if self._content_consumed else stream_chunks + + if decode_unicode: + chunks = stream_decode_response_unicode(chunks, self) + + return chunks + + def iter_lines(self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=False, delimiter=None): + """Iterates over the response data, one line at a time. When + stream=True is set on the request, this avoids reading the + content at once into memory for large responses. + + .. note:: This method is not reentrant safe. + """ + + pending = None + + for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode): + + if pending is not None: + chunk = pending + chunk + + if delimiter: + lines = chunk.split(delimiter) + else: + lines = chunk.splitlines() + + if lines and lines[-1] and chunk and lines[-1][-1] == chunk[-1]: + pending = lines.pop() + else: + pending = None + + for line in lines: + yield line + + if pending is not None: + yield pending + + @property + def content(self): + """Content of the response, in bytes.""" + + if self._content is False: + # Read the contents. + if self._content_consumed: + raise RuntimeError( + 'The content for this response was already consumed') + + if self.status_code == 0 or self.raw is None: + self._content = None + else: + self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b'' + + self._content_consumed = True + # don't need to release the connection; that's been handled by urllib3 + # since we exhausted the data. + return self._content + + @property + def text(self): + """Content of the response, in unicode. + + If Response.encoding is None, encoding will be guessed using + ``chardet``. + + The encoding of the response content is determined based solely on HTTP + headers, following RFC 2616 to the letter. If you can take advantage of + non-HTTP knowledge to make a better guess at the encoding, you should + set ``r.encoding`` appropriately before accessing this property. + """ + + # Try charset from content-type + content = None + encoding = self.encoding + + if not self.content: + return str('') + + # Fallback to auto-detected encoding. + if self.encoding is None: + encoding = self.apparent_encoding + + # Decode unicode from given encoding. + try: + content = str(self.content, encoding, errors='replace') + except (LookupError, TypeError): + # A LookupError is raised if the encoding was not found which could + # indicate a misspelling or similar mistake. + # + # A TypeError can be raised if encoding is None + # + # So we try blindly encoding. + content = str(self.content, errors='replace') + + return content + + def json(self, **kwargs): + r"""Returns the json-encoded content of a response, if any. + + :param \*\*kwargs: Optional arguments that ``json.loads`` takes. + :raises ValueError: If the response body does not contain valid json. + """ + + if not self.encoding and self.content and len(self.content) > 3: + # No encoding set. JSON RFC 4627 section 3 states we should expect + # UTF-8, -16 or -32. Detect which one to use; If the detection or + # decoding fails, fall back to `self.text` (using chardet to make + # a best guess). + encoding = guess_json_utf(self.content) + if encoding is not None: + try: + return complexjson.loads( + self.content.decode(encoding), **kwargs + ) + except UnicodeDecodeError: + # Wrong UTF codec detected; usually because it's not UTF-8 + # but some other 8-bit codec. This is an RFC violation, + # and the server didn't bother to tell us what codec *was* + # used. + pass + return complexjson.loads(self.text, **kwargs) + + @property + def links(self): + """Returns the parsed header links of the response, if any.""" + + header = self.headers.get('link') + + # l = MultiDict() + l = {} + + if header: + links = parse_header_links(header) + + for link in links: + key = link.get('rel') or link.get('url') + l[key] = link + + return l + + def raise_for_status(self): + """Raises stored :class:`HTTPError`, if one occurred.""" + + http_error_msg = '' + if isinstance(self.reason, bytes): + # We attempt to decode utf-8 first because some servers + # choose to localize their reason strings. If the string + # isn't utf-8, we fall back to iso-8859-1 for all other + # encodings. (See PR #3538) + try: + reason = self.reason.decode('utf-8') + except UnicodeDecodeError: + reason = self.reason.decode('iso-8859-1') + else: + reason = self.reason + + if 400 <= self.status_code < 500: + http_error_msg = u'%s Client Error: %s for url: %s' % (self.status_code, reason, self.url) + + elif 500 <= self.status_code < 600: + http_error_msg = u'%s Server Error: %s for url: %s' % (self.status_code, reason, self.url) + + if http_error_msg: + raise HTTPError(http_error_msg, response=self) + + def close(self): + """Releases the connection back to the pool. Once this method has been + called the underlying ``raw`` object must not be accessed again. + + *Note: Should not normally need to be called explicitly.* + """ + if not self._content_consumed: + self.raw.close() + + release_conn = getattr(self.raw, 'release_conn', None) + if release_conn is not None: + release_conn() diff --git a/venv/lib/python3.7/site-packages/requests/packages.py b/venv/lib/python3.7/site-packages/requests/packages.py new file mode 100644 index 0000000..7232fe0 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/packages.py @@ -0,0 +1,14 @@ +import sys + +# This code exists for backwards compatibility reasons. +# I don't like it either. Just look the other way. :) + +for package in ('urllib3', 'idna', 'chardet'): + locals()[package] = __import__(package) + # This traversal is apparently necessary such that the identities are + # preserved (requests.packages.urllib3.* is urllib3.*) + for mod in list(sys.modules): + if mod == package or mod.startswith(package + '.'): + sys.modules['requests.packages.' + mod] = sys.modules[mod] + +# Kinda cool, though, right? diff --git a/venv/lib/python3.7/site-packages/requests/sessions.py b/venv/lib/python3.7/site-packages/requests/sessions.py new file mode 100644 index 0000000..d73d700 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/sessions.py @@ -0,0 +1,770 @@ +# -*- coding: utf-8 -*- + +""" +requests.session +~~~~~~~~~~~~~~~~ + +This module provides a Session object to manage and persist settings across +requests (cookies, auth, proxies). +""" +import os +import sys +import time +from datetime import timedelta + +from .auth import _basic_auth_str +from .compat import cookielib, is_py3, OrderedDict, urljoin, urlparse, Mapping +from .cookies import ( + cookiejar_from_dict, extract_cookies_to_jar, RequestsCookieJar, merge_cookies) +from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT +from .hooks import default_hooks, dispatch_hook +from ._internal_utils import to_native_string +from .utils import to_key_val_list, default_headers, DEFAULT_PORTS +from .exceptions import ( + TooManyRedirects, InvalidSchema, ChunkedEncodingError, ContentDecodingError) + +from .structures import CaseInsensitiveDict +from .adapters import HTTPAdapter + +from .utils import ( + requote_uri, get_environ_proxies, get_netrc_auth, should_bypass_proxies, + get_auth_from_url, rewind_body +) + +from .status_codes import codes + +# formerly defined here, reexposed here for backward compatibility +from .models import REDIRECT_STATI + +# Preferred clock, based on which one is more accurate on a given system. +if sys.platform == 'win32': + try: # Python 3.4+ + preferred_clock = time.perf_counter + except AttributeError: # Earlier than Python 3. + preferred_clock = time.clock +else: + preferred_clock = time.time + + +def merge_setting(request_setting, session_setting, dict_class=OrderedDict): + """Determines appropriate setting for a given request, taking into account + the explicit setting on that request, and the setting in the session. If a + setting is a dictionary, they will be merged together using `dict_class` + """ + + if session_setting is None: + return request_setting + + if request_setting is None: + return session_setting + + # Bypass if not a dictionary (e.g. verify) + if not ( + isinstance(session_setting, Mapping) and + isinstance(request_setting, Mapping) + ): + return request_setting + + merged_setting = dict_class(to_key_val_list(session_setting)) + merged_setting.update(to_key_val_list(request_setting)) + + # Remove keys that are set to None. Extract keys first to avoid altering + # the dictionary during iteration. + none_keys = [k for (k, v) in merged_setting.items() if v is None] + for key in none_keys: + del merged_setting[key] + + return merged_setting + + +def merge_hooks(request_hooks, session_hooks, dict_class=OrderedDict): + """Properly merges both requests and session hooks. + + This is necessary because when request_hooks == {'response': []}, the + merge breaks Session hooks entirely. + """ + if session_hooks is None or session_hooks.get('response') == []: + return request_hooks + + if request_hooks is None or request_hooks.get('response') == []: + return session_hooks + + return merge_setting(request_hooks, session_hooks, dict_class) + + +class SessionRedirectMixin(object): + + def get_redirect_target(self, resp): + """Receives a Response. Returns a redirect URI or ``None``""" + # Due to the nature of how requests processes redirects this method will + # be called at least once upon the original response and at least twice + # on each subsequent redirect response (if any). + # If a custom mixin is used to handle this logic, it may be advantageous + # to cache the redirect location onto the response object as a private + # attribute. + if resp.is_redirect: + location = resp.headers['location'] + # Currently the underlying http module on py3 decode headers + # in latin1, but empirical evidence suggests that latin1 is very + # rarely used with non-ASCII characters in HTTP headers. + # It is more likely to get UTF8 header rather than latin1. + # This causes incorrect handling of UTF8 encoded location headers. + # To solve this, we re-encode the location in latin1. + if is_py3: + location = location.encode('latin1') + return to_native_string(location, 'utf8') + return None + + def should_strip_auth(self, old_url, new_url): + """Decide whether Authorization header should be removed when redirecting""" + old_parsed = urlparse(old_url) + new_parsed = urlparse(new_url) + if old_parsed.hostname != new_parsed.hostname: + return True + # Special case: allow http -> https redirect when using the standard + # ports. This isn't specified by RFC 7235, but is kept to avoid + # breaking backwards compatibility with older versions of requests + # that allowed any redirects on the same host. + if (old_parsed.scheme == 'http' and old_parsed.port in (80, None) + and new_parsed.scheme == 'https' and new_parsed.port in (443, None)): + return False + + # Handle default port usage corresponding to scheme. + changed_port = old_parsed.port != new_parsed.port + changed_scheme = old_parsed.scheme != new_parsed.scheme + default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None) + if (not changed_scheme and old_parsed.port in default_port + and new_parsed.port in default_port): + return False + + # Standard case: root URI must match + return changed_port or changed_scheme + + def resolve_redirects(self, resp, req, stream=False, timeout=None, + verify=True, cert=None, proxies=None, yield_requests=False, **adapter_kwargs): + """Receives a Response. Returns a generator of Responses or Requests.""" + + hist = [] # keep track of history + + url = self.get_redirect_target(resp) + previous_fragment = urlparse(req.url).fragment + while url: + prepared_request = req.copy() + + # Update history and keep track of redirects. + # resp.history must ignore the original request in this loop + hist.append(resp) + resp.history = hist[1:] + + try: + resp.content # Consume socket so it can be released + except (ChunkedEncodingError, ContentDecodingError, RuntimeError): + resp.raw.read(decode_content=False) + + if len(resp.history) >= self.max_redirects: + raise TooManyRedirects('Exceeded %s redirects.' % self.max_redirects, response=resp) + + # Release the connection back into the pool. + resp.close() + + # Handle redirection without scheme (see: RFC 1808 Section 4) + if url.startswith('//'): + parsed_rurl = urlparse(resp.url) + url = '%s:%s' % (to_native_string(parsed_rurl.scheme), url) + + # Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2) + parsed = urlparse(url) + if parsed.fragment == '' and previous_fragment: + parsed = parsed._replace(fragment=previous_fragment) + elif parsed.fragment: + previous_fragment = parsed.fragment + url = parsed.geturl() + + # Facilitate relative 'location' headers, as allowed by RFC 7231. + # (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource') + # Compliant with RFC3986, we percent encode the url. + if not parsed.netloc: + url = urljoin(resp.url, requote_uri(url)) + else: + url = requote_uri(url) + + prepared_request.url = to_native_string(url) + + self.rebuild_method(prepared_request, resp) + + # https://github.com/requests/requests/issues/1084 + if resp.status_code not in (codes.temporary_redirect, codes.permanent_redirect): + # https://github.com/requests/requests/issues/3490 + purged_headers = ('Content-Length', 'Content-Type', 'Transfer-Encoding') + for header in purged_headers: + prepared_request.headers.pop(header, None) + prepared_request.body = None + + headers = prepared_request.headers + try: + del headers['Cookie'] + except KeyError: + pass + + # Extract any cookies sent on the response to the cookiejar + # in the new request. Because we've mutated our copied prepared + # request, use the old one that we haven't yet touched. + extract_cookies_to_jar(prepared_request._cookies, req, resp.raw) + merge_cookies(prepared_request._cookies, self.cookies) + prepared_request.prepare_cookies(prepared_request._cookies) + + # Rebuild auth and proxy information. + proxies = self.rebuild_proxies(prepared_request, proxies) + self.rebuild_auth(prepared_request, resp) + + # A failed tell() sets `_body_position` to `object()`. This non-None + # value ensures `rewindable` will be True, allowing us to raise an + # UnrewindableBodyError, instead of hanging the connection. + rewindable = ( + prepared_request._body_position is not None and + ('Content-Length' in headers or 'Transfer-Encoding' in headers) + ) + + # Attempt to rewind consumed file-like object. + if rewindable: + rewind_body(prepared_request) + + # Override the original request. + req = prepared_request + + if yield_requests: + yield req + else: + + resp = self.send( + req, + stream=stream, + timeout=timeout, + verify=verify, + cert=cert, + proxies=proxies, + allow_redirects=False, + **adapter_kwargs + ) + + extract_cookies_to_jar(self.cookies, prepared_request, resp.raw) + + # extract redirect url, if any, for the next loop + url = self.get_redirect_target(resp) + yield resp + + def rebuild_auth(self, prepared_request, response): + """When being redirected we may want to strip authentication from the + request to avoid leaking credentials. This method intelligently removes + and reapplies authentication where possible to avoid credential loss. + """ + headers = prepared_request.headers + url = prepared_request.url + + if 'Authorization' in headers and self.should_strip_auth(response.request.url, url): + # If we get redirected to a new host, we should strip out any + # authentication headers. + del headers['Authorization'] + + # .netrc might have more auth for us on our new host. + new_auth = get_netrc_auth(url) if self.trust_env else None + if new_auth is not None: + prepared_request.prepare_auth(new_auth) + + return + + def rebuild_proxies(self, prepared_request, proxies): + """This method re-evaluates the proxy configuration by considering the + environment variables. If we are redirected to a URL covered by + NO_PROXY, we strip the proxy configuration. Otherwise, we set missing + proxy keys for this URL (in case they were stripped by a previous + redirect). + + This method also replaces the Proxy-Authorization header where + necessary. + + :rtype: dict + """ + proxies = proxies if proxies is not None else {} + headers = prepared_request.headers + url = prepared_request.url + scheme = urlparse(url).scheme + new_proxies = proxies.copy() + no_proxy = proxies.get('no_proxy') + + bypass_proxy = should_bypass_proxies(url, no_proxy=no_proxy) + if self.trust_env and not bypass_proxy: + environ_proxies = get_environ_proxies(url, no_proxy=no_proxy) + + proxy = environ_proxies.get(scheme, environ_proxies.get('all')) + + if proxy: + new_proxies.setdefault(scheme, proxy) + + if 'Proxy-Authorization' in headers: + del headers['Proxy-Authorization'] + + try: + username, password = get_auth_from_url(new_proxies[scheme]) + except KeyError: + username, password = None, None + + if username and password: + headers['Proxy-Authorization'] = _basic_auth_str(username, password) + + return new_proxies + + def rebuild_method(self, prepared_request, response): + """When being redirected we may want to change the method of the request + based on certain specs or browser behavior. + """ + method = prepared_request.method + + # https://tools.ietf.org/html/rfc7231#section-6.4.4 + if response.status_code == codes.see_other and method != 'HEAD': + method = 'GET' + + # Do what the browsers do, despite standards... + # First, turn 302s into GETs. + if response.status_code == codes.found and method != 'HEAD': + method = 'GET' + + # Second, if a POST is responded to with a 301, turn it into a GET. + # This bizarre behaviour is explained in Issue 1704. + if response.status_code == codes.moved and method == 'POST': + method = 'GET' + + prepared_request.method = method + + +class Session(SessionRedirectMixin): + """A Requests session. + + Provides cookie persistence, connection-pooling, and configuration. + + Basic Usage:: + + >>> import requests + >>> s = requests.Session() + >>> s.get('https://httpbin.org/get') + <Response [200]> + + Or as a context manager:: + + >>> with requests.Session() as s: + >>> s.get('https://httpbin.org/get') + <Response [200]> + """ + + __attrs__ = [ + 'headers', 'cookies', 'auth', 'proxies', 'hooks', 'params', 'verify', + 'cert', 'prefetch', 'adapters', 'stream', 'trust_env', + 'max_redirects', + ] + + def __init__(self): + + #: A case-insensitive dictionary of headers to be sent on each + #: :class:`Request <Request>` sent from this + #: :class:`Session <Session>`. + self.headers = default_headers() + + #: Default Authentication tuple or object to attach to + #: :class:`Request <Request>`. + self.auth = None + + #: Dictionary mapping protocol or protocol and host to the URL of the proxy + #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to + #: be used on each :class:`Request <Request>`. + self.proxies = {} + + #: Event-handling hooks. + self.hooks = default_hooks() + + #: Dictionary of querystring data to attach to each + #: :class:`Request <Request>`. The dictionary values may be lists for + #: representing multivalued query parameters. + self.params = {} + + #: Stream response content default. + self.stream = False + + #: SSL Verification default. + self.verify = True + + #: SSL client certificate default, if String, path to ssl client + #: cert file (.pem). If Tuple, ('cert', 'key') pair. + self.cert = None + + #: Maximum number of redirects allowed. If the request exceeds this + #: limit, a :class:`TooManyRedirects` exception is raised. + #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is + #: 30. + self.max_redirects = DEFAULT_REDIRECT_LIMIT + + #: Trust environment settings for proxy configuration, default + #: authentication and similar. + self.trust_env = True + + #: A CookieJar containing all currently outstanding cookies set on this + #: session. By default it is a + #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but + #: may be any other ``cookielib.CookieJar`` compatible object. + self.cookies = cookiejar_from_dict({}) + + # Default connection adapters. + self.adapters = OrderedDict() + self.mount('https://', HTTPAdapter()) + self.mount('http://', HTTPAdapter()) + + def __enter__(self): + return self + + def __exit__(self, *args): + self.close() + + def prepare_request(self, request): + """Constructs a :class:`PreparedRequest <PreparedRequest>` for + transmission and returns it. The :class:`PreparedRequest` has settings + merged from the :class:`Request <Request>` instance and those of the + :class:`Session`. + + :param request: :class:`Request` instance to prepare with this + session's settings. + :rtype: requests.PreparedRequest + """ + cookies = request.cookies or {} + + # Bootstrap CookieJar. + if not isinstance(cookies, cookielib.CookieJar): + cookies = cookiejar_from_dict(cookies) + + # Merge with session cookies + merged_cookies = merge_cookies( + merge_cookies(RequestsCookieJar(), self.cookies), cookies) + + # Set environment's basic authentication if not explicitly set. + auth = request.auth + if self.trust_env and not auth and not self.auth: + auth = get_netrc_auth(request.url) + + p = PreparedRequest() + p.prepare( + method=request.method.upper(), + url=request.url, + files=request.files, + data=request.data, + json=request.json, + headers=merge_setting(request.headers, self.headers, dict_class=CaseInsensitiveDict), + params=merge_setting(request.params, self.params), + auth=merge_setting(auth, self.auth), + cookies=merged_cookies, + hooks=merge_hooks(request.hooks, self.hooks), + ) + return p + + def request(self, method, url, + params=None, data=None, headers=None, cookies=None, files=None, + auth=None, timeout=None, allow_redirects=True, proxies=None, + hooks=None, stream=None, verify=None, cert=None, json=None): + """Constructs a :class:`Request <Request>`, prepares it and sends it. + Returns :class:`Response <Response>` object. + + :param method: method for the new :class:`Request` object. + :param url: URL for the new :class:`Request` object. + :param params: (optional) Dictionary or bytes to be sent in the query + string for the :class:`Request`. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json to send in the body of the + :class:`Request`. + :param headers: (optional) Dictionary of HTTP Headers to send with the + :class:`Request`. + :param cookies: (optional) Dict or CookieJar object to send with the + :class:`Request`. + :param files: (optional) Dictionary of ``'filename': file-like-objects`` + for multipart encoding upload. + :param auth: (optional) Auth tuple or callable to enable + Basic/Digest/Custom HTTP Auth. + :param timeout: (optional) How long to wait for the server to send + data before giving up, as a float, or a :ref:`(connect timeout, + read timeout) <timeouts>` tuple. + :type timeout: float or tuple + :param allow_redirects: (optional) Set to True by default. + :type allow_redirects: bool + :param proxies: (optional) Dictionary mapping protocol or protocol and + hostname to the URL of the proxy. + :param stream: (optional) whether to immediately download the response + content. Defaults to ``False``. + :param verify: (optional) Either a boolean, in which case it controls whether we verify + the server's TLS certificate, or a string, in which case it must be a path + to a CA bundle to use. Defaults to ``True``. + :param cert: (optional) if String, path to ssl client cert file (.pem). + If Tuple, ('cert', 'key') pair. + :rtype: requests.Response + """ + # Create the Request. + req = Request( + method=method.upper(), + url=url, + headers=headers, + files=files, + data=data or {}, + json=json, + params=params or {}, + auth=auth, + cookies=cookies, + hooks=hooks, + ) + prep = self.prepare_request(req) + + proxies = proxies or {} + + settings = self.merge_environment_settings( + prep.url, proxies, stream, verify, cert + ) + + # Send the request. + send_kwargs = { + 'timeout': timeout, + 'allow_redirects': allow_redirects, + } + send_kwargs.update(settings) + resp = self.send(prep, **send_kwargs) + + return resp + + def get(self, url, **kwargs): + r"""Sends a GET request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return self.request('GET', url, **kwargs) + + def options(self, url, **kwargs): + r"""Sends a OPTIONS request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', True) + return self.request('OPTIONS', url, **kwargs) + + def head(self, url, **kwargs): + r"""Sends a HEAD request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + kwargs.setdefault('allow_redirects', False) + return self.request('HEAD', url, **kwargs) + + def post(self, url, data=None, json=None, **kwargs): + r"""Sends a POST request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param json: (optional) json to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('POST', url, data=data, json=json, **kwargs) + + def put(self, url, data=None, **kwargs): + r"""Sends a PUT request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('PUT', url, data=data, **kwargs) + + def patch(self, url, data=None, **kwargs): + r"""Sends a PATCH request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param data: (optional) Dictionary, list of tuples, bytes, or file-like + object to send in the body of the :class:`Request`. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('PATCH', url, data=data, **kwargs) + + def delete(self, url, **kwargs): + r"""Sends a DELETE request. Returns :class:`Response` object. + + :param url: URL for the new :class:`Request` object. + :param \*\*kwargs: Optional arguments that ``request`` takes. + :rtype: requests.Response + """ + + return self.request('DELETE', url, **kwargs) + + def send(self, request, **kwargs): + """Send a given PreparedRequest. + + :rtype: requests.Response + """ + # Set defaults that the hooks can utilize to ensure they always have + # the correct parameters to reproduce the previous request. + kwargs.setdefault('stream', self.stream) + kwargs.setdefault('verify', self.verify) + kwargs.setdefault('cert', self.cert) + kwargs.setdefault('proxies', self.proxies) + + # It's possible that users might accidentally send a Request object. + # Guard against that specific failure case. + if isinstance(request, Request): + raise ValueError('You can only send PreparedRequests.') + + # Set up variables needed for resolve_redirects and dispatching of hooks + allow_redirects = kwargs.pop('allow_redirects', True) + stream = kwargs.get('stream') + hooks = request.hooks + + # Get the appropriate adapter to use + adapter = self.get_adapter(url=request.url) + + # Start time (approximately) of the request + start = preferred_clock() + + # Send the request + r = adapter.send(request, **kwargs) + + # Total elapsed time of the request (approximately) + elapsed = preferred_clock() - start + r.elapsed = timedelta(seconds=elapsed) + + # Response manipulation hooks + r = dispatch_hook('response', hooks, r, **kwargs) + + # Persist cookies + if r.history: + + # If the hooks create history then we want those cookies too + for resp in r.history: + extract_cookies_to_jar(self.cookies, resp.request, resp.raw) + + extract_cookies_to_jar(self.cookies, request, r.raw) + + # Redirect resolving generator. + gen = self.resolve_redirects(r, request, **kwargs) + + # Resolve redirects if allowed. + history = [resp for resp in gen] if allow_redirects else [] + + # Shuffle things around if there's history. + if history: + # Insert the first (original) request at the start + history.insert(0, r) + # Get the last request made + r = history.pop() + r.history = history + + # If redirects aren't being followed, store the response on the Request for Response.next(). + if not allow_redirects: + try: + r._next = next(self.resolve_redirects(r, request, yield_requests=True, **kwargs)) + except StopIteration: + pass + + if not stream: + r.content + + return r + + def merge_environment_settings(self, url, proxies, stream, verify, cert): + """ + Check the environment and merge it with some settings. + + :rtype: dict + """ + # Gather clues from the surrounding environment. + if self.trust_env: + # Set environment's proxies. + no_proxy = proxies.get('no_proxy') if proxies is not None else None + env_proxies = get_environ_proxies(url, no_proxy=no_proxy) + for (k, v) in env_proxies.items(): + proxies.setdefault(k, v) + + # Look for requests environment configuration and be compatible + # with cURL. + if verify is True or verify is None: + verify = (os.environ.get('REQUESTS_CA_BUNDLE') or + os.environ.get('CURL_CA_BUNDLE')) + + # Merge all the kwargs. + proxies = merge_setting(proxies, self.proxies) + stream = merge_setting(stream, self.stream) + verify = merge_setting(verify, self.verify) + cert = merge_setting(cert, self.cert) + + return {'verify': verify, 'proxies': proxies, 'stream': stream, + 'cert': cert} + + def get_adapter(self, url): + """ + Returns the appropriate connection adapter for the given URL. + + :rtype: requests.adapters.BaseAdapter + """ + for (prefix, adapter) in self.adapters.items(): + + if url.lower().startswith(prefix.lower()): + return adapter + + # Nothing matches :-/ + raise InvalidSchema("No connection adapters were found for '%s'" % url) + + def close(self): + """Closes all adapters and as such the session""" + for v in self.adapters.values(): + v.close() + + def mount(self, prefix, adapter): + """Registers a connection adapter to a prefix. + + Adapters are sorted in descending order by prefix length. + """ + self.adapters[prefix] = adapter + keys_to_move = [k for k in self.adapters if len(k) < len(prefix)] + + for key in keys_to_move: + self.adapters[key] = self.adapters.pop(key) + + def __getstate__(self): + state = {attr: getattr(self, attr, None) for attr in self.__attrs__} + return state + + def __setstate__(self, state): + for attr, value in state.items(): + setattr(self, attr, value) + + +def session(): + """ + Returns a :class:`Session` for context-management. + + .. deprecated:: 1.0.0 + + This method has been deprecated since version 1.0.0 and is only kept for + backwards compatibility. New code should use :class:`~requests.sessions.Session` + to create a session. This may be removed at a future date. + + :rtype: Session + """ + return Session() diff --git a/venv/lib/python3.7/site-packages/requests/status_codes.py b/venv/lib/python3.7/site-packages/requests/status_codes.py new file mode 100644 index 0000000..813e8c4 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/status_codes.py @@ -0,0 +1,120 @@ +# -*- coding: utf-8 -*- + +r""" +The ``codes`` object defines a mapping from common names for HTTP statuses +to their numerical codes, accessible either as attributes or as dictionary +items. + +>>> requests.codes['temporary_redirect'] +307 +>>> requests.codes.teapot +418 +>>> requests.codes['\o/'] +200 + +Some codes have multiple names, and both upper- and lower-case versions of +the names are allowed. For example, ``codes.ok``, ``codes.OK``, and +``codes.okay`` all correspond to the HTTP status code 200. +""" + +from .structures import LookupDict + +_codes = { + + # Informational. + 100: ('continue',), + 101: ('switching_protocols',), + 102: ('processing',), + 103: ('checkpoint',), + 122: ('uri_too_long', 'request_uri_too_long'), + 200: ('ok', 'okay', 'all_ok', 'all_okay', 'all_good', '\\o/', '✓'), + 201: ('created',), + 202: ('accepted',), + 203: ('non_authoritative_info', 'non_authoritative_information'), + 204: ('no_content',), + 205: ('reset_content', 'reset'), + 206: ('partial_content', 'partial'), + 207: ('multi_status', 'multiple_status', 'multi_stati', 'multiple_stati'), + 208: ('already_reported',), + 226: ('im_used',), + + # Redirection. + 300: ('multiple_choices',), + 301: ('moved_permanently', 'moved', '\\o-'), + 302: ('found',), + 303: ('see_other', 'other'), + 304: ('not_modified',), + 305: ('use_proxy',), + 306: ('switch_proxy',), + 307: ('temporary_redirect', 'temporary_moved', 'temporary'), + 308: ('permanent_redirect', + 'resume_incomplete', 'resume',), # These 2 to be removed in 3.0 + + # Client Error. + 400: ('bad_request', 'bad'), + 401: ('unauthorized',), + 402: ('payment_required', 'payment'), + 403: ('forbidden',), + 404: ('not_found', '-o-'), + 405: ('method_not_allowed', 'not_allowed'), + 406: ('not_acceptable',), + 407: ('proxy_authentication_required', 'proxy_auth', 'proxy_authentication'), + 408: ('request_timeout', 'timeout'), + 409: ('conflict',), + 410: ('gone',), + 411: ('length_required',), + 412: ('precondition_failed', 'precondition'), + 413: ('request_entity_too_large',), + 414: ('request_uri_too_large',), + 415: ('unsupported_media_type', 'unsupported_media', 'media_type'), + 416: ('requested_range_not_satisfiable', 'requested_range', 'range_not_satisfiable'), + 417: ('expectation_failed',), + 418: ('im_a_teapot', 'teapot', 'i_am_a_teapot'), + 421: ('misdirected_request',), + 422: ('unprocessable_entity', 'unprocessable'), + 423: ('locked',), + 424: ('failed_dependency', 'dependency'), + 425: ('unordered_collection', 'unordered'), + 426: ('upgrade_required', 'upgrade'), + 428: ('precondition_required', 'precondition'), + 429: ('too_many_requests', 'too_many'), + 431: ('header_fields_too_large', 'fields_too_large'), + 444: ('no_response', 'none'), + 449: ('retry_with', 'retry'), + 450: ('blocked_by_windows_parental_controls', 'parental_controls'), + 451: ('unavailable_for_legal_reasons', 'legal_reasons'), + 499: ('client_closed_request',), + + # Server Error. + 500: ('internal_server_error', 'server_error', '/o\\', '✗'), + 501: ('not_implemented',), + 502: ('bad_gateway',), + 503: ('service_unavailable', 'unavailable'), + 504: ('gateway_timeout',), + 505: ('http_version_not_supported', 'http_version'), + 506: ('variant_also_negotiates',), + 507: ('insufficient_storage',), + 509: ('bandwidth_limit_exceeded', 'bandwidth'), + 510: ('not_extended',), + 511: ('network_authentication_required', 'network_auth', 'network_authentication'), +} + +codes = LookupDict(name='status_codes') + +def _init(): + for code, titles in _codes.items(): + for title in titles: + setattr(codes, title, code) + if not title.startswith(('\\', '/')): + setattr(codes, title.upper(), code) + + def doc(code): + names = ', '.join('``%s``' % n for n in _codes[code]) + return '* %d: %s' % (code, names) + + global __doc__ + __doc__ = (__doc__ + '\n' + + '\n'.join(doc(code) for code in sorted(_codes)) + if __doc__ is not None else None) + +_init() diff --git a/venv/lib/python3.7/site-packages/requests/structures.py b/venv/lib/python3.7/site-packages/requests/structures.py new file mode 100644 index 0000000..da930e2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/structures.py @@ -0,0 +1,103 @@ +# -*- coding: utf-8 -*- + +""" +requests.structures +~~~~~~~~~~~~~~~~~~~ + +Data structures that power Requests. +""" + +from .compat import OrderedDict, Mapping, MutableMapping + + +class CaseInsensitiveDict(MutableMapping): + """A case-insensitive ``dict``-like object. + + Implements all methods and operations of + ``MutableMapping`` as well as dict's ``copy``. Also + provides ``lower_items``. + + All keys are expected to be strings. The structure remembers the + case of the last key to be set, and ``iter(instance)``, + ``keys()``, ``items()``, ``iterkeys()``, and ``iteritems()`` + will contain case-sensitive keys. However, querying and contains + testing is case insensitive:: + + cid = CaseInsensitiveDict() + cid['Accept'] = 'application/json' + cid['aCCEPT'] == 'application/json' # True + list(cid) == ['Accept'] # True + + For example, ``headers['content-encoding']`` will return the + value of a ``'Content-Encoding'`` response header, regardless + of how the header name was originally stored. + + If the constructor, ``.update``, or equality comparison + operations are given keys that have equal ``.lower()``s, the + behavior is undefined. + """ + + def __init__(self, data=None, **kwargs): + self._store = OrderedDict() + if data is None: + data = {} + self.update(data, **kwargs) + + def __setitem__(self, key, value): + # Use the lowercased key for lookups, but store the actual + # key alongside the value. + self._store[key.lower()] = (key, value) + + def __getitem__(self, key): + return self._store[key.lower()][1] + + def __delitem__(self, key): + del self._store[key.lower()] + + def __iter__(self): + return (casedkey for casedkey, mappedvalue in self._store.values()) + + def __len__(self): + return len(self._store) + + def lower_items(self): + """Like iteritems(), but with all lowercase keys.""" + return ( + (lowerkey, keyval[1]) + for (lowerkey, keyval) + in self._store.items() + ) + + def __eq__(self, other): + if isinstance(other, Mapping): + other = CaseInsensitiveDict(other) + else: + return NotImplemented + # Compare insensitively + return dict(self.lower_items()) == dict(other.lower_items()) + + # Copy is required + def copy(self): + return CaseInsensitiveDict(self._store.values()) + + def __repr__(self): + return str(dict(self.items())) + + +class LookupDict(dict): + """Dictionary lookup object.""" + + def __init__(self, name=None): + self.name = name + super(LookupDict, self).__init__() + + def __repr__(self): + return '<lookup \'%s\'>' % (self.name) + + def __getitem__(self, key): + # We allow fall-through here, so values default to None + + return self.__dict__.get(key, None) + + def get(self, key, default=None): + return self.__dict__.get(key, default) diff --git a/venv/lib/python3.7/site-packages/requests/utils.py b/venv/lib/python3.7/site-packages/requests/utils.py new file mode 100644 index 0000000..8170a8d --- /dev/null +++ b/venv/lib/python3.7/site-packages/requests/utils.py @@ -0,0 +1,977 @@ +# -*- coding: utf-8 -*- + +""" +requests.utils +~~~~~~~~~~~~~~ + +This module provides utility functions that are used within Requests +that are also useful for external consumption. +""" + +import codecs +import contextlib +import io +import os +import re +import socket +import struct +import sys +import tempfile +import warnings +import zipfile + +from .__version__ import __version__ +from . import certs +# to_native_string is unused here, but imported here for backwards compatibility +from ._internal_utils import to_native_string +from .compat import parse_http_list as _parse_list_header +from .compat import ( + quote, urlparse, bytes, str, OrderedDict, unquote, getproxies, + proxy_bypass, urlunparse, basestring, integer_types, is_py3, + proxy_bypass_environment, getproxies_environment, Mapping) +from .cookies import cookiejar_from_dict +from .structures import CaseInsensitiveDict +from .exceptions import ( + InvalidURL, InvalidHeader, FileModeWarning, UnrewindableBodyError) + +NETRC_FILES = ('.netrc', '_netrc') + +DEFAULT_CA_BUNDLE_PATH = certs.where() + +DEFAULT_PORTS = {'http': 80, 'https': 443} + + +if sys.platform == 'win32': + # provide a proxy_bypass version on Windows without DNS lookups + + def proxy_bypass_registry(host): + try: + if is_py3: + import winreg + else: + import _winreg as winreg + except ImportError: + return False + + try: + internetSettings = winreg.OpenKey(winreg.HKEY_CURRENT_USER, + r'Software\Microsoft\Windows\CurrentVersion\Internet Settings') + # ProxyEnable could be REG_SZ or REG_DWORD, normalizing it + proxyEnable = int(winreg.QueryValueEx(internetSettings, + 'ProxyEnable')[0]) + # ProxyOverride is almost always a string + proxyOverride = winreg.QueryValueEx(internetSettings, + 'ProxyOverride')[0] + except OSError: + return False + if not proxyEnable or not proxyOverride: + return False + + # make a check value list from the registry entry: replace the + # '<local>' string by the localhost entry and the corresponding + # canonical entry. + proxyOverride = proxyOverride.split(';') + # now check if we match one of the registry values. + for test in proxyOverride: + if test == '<local>': + if '.' not in host: + return True + test = test.replace(".", r"\.") # mask dots + test = test.replace("*", r".*") # change glob sequence + test = test.replace("?", r".") # change glob char + if re.match(test, host, re.I): + return True + return False + + def proxy_bypass(host): # noqa + """Return True, if the host should be bypassed. + + Checks proxy settings gathered from the environment, if specified, + or the registry. + """ + if getproxies_environment(): + return proxy_bypass_environment(host) + else: + return proxy_bypass_registry(host) + + +def dict_to_sequence(d): + """Returns an internal sequence dictionary update.""" + + if hasattr(d, 'items'): + d = d.items() + + return d + + +def super_len(o): + total_length = None + current_position = 0 + + if hasattr(o, '__len__'): + total_length = len(o) + + elif hasattr(o, 'len'): + total_length = o.len + + elif hasattr(o, 'fileno'): + try: + fileno = o.fileno() + except io.UnsupportedOperation: + pass + else: + total_length = os.fstat(fileno).st_size + + # Having used fstat to determine the file length, we need to + # confirm that this file was opened up in binary mode. + if 'b' not in o.mode: + warnings.warn(( + "Requests has determined the content-length for this " + "request using the binary size of the file: however, the " + "file has been opened in text mode (i.e. without the 'b' " + "flag in the mode). This may lead to an incorrect " + "content-length. In Requests 3.0, support will be removed " + "for files in text mode."), + FileModeWarning + ) + + if hasattr(o, 'tell'): + try: + current_position = o.tell() + except (OSError, IOError): + # This can happen in some weird situations, such as when the file + # is actually a special file descriptor like stdin. In this + # instance, we don't know what the length is, so set it to zero and + # let requests chunk it instead. + if total_length is not None: + current_position = total_length + else: + if hasattr(o, 'seek') and total_length is None: + # StringIO and BytesIO have seek but no useable fileno + try: + # seek to end of file + o.seek(0, 2) + total_length = o.tell() + + # seek back to current position to support + # partially read file-like objects + o.seek(current_position or 0) + except (OSError, IOError): + total_length = 0 + + if total_length is None: + total_length = 0 + + return max(0, total_length - current_position) + + +def get_netrc_auth(url, raise_errors=False): + """Returns the Requests tuple auth for a given url from netrc.""" + + try: + from netrc import netrc, NetrcParseError + + netrc_path = None + + for f in NETRC_FILES: + try: + loc = os.path.expanduser('~/{}'.format(f)) + except KeyError: + # os.path.expanduser can fail when $HOME is undefined and + # getpwuid fails. See https://bugs.python.org/issue20164 & + # https://github.com/requests/requests/issues/1846 + return + + if os.path.exists(loc): + netrc_path = loc + break + + # Abort early if there isn't one. + if netrc_path is None: + return + + ri = urlparse(url) + + # Strip port numbers from netloc. This weird `if...encode`` dance is + # used for Python 3.2, which doesn't support unicode literals. + splitstr = b':' + if isinstance(url, str): + splitstr = splitstr.decode('ascii') + host = ri.netloc.split(splitstr)[0] + + try: + _netrc = netrc(netrc_path).authenticators(host) + if _netrc: + # Return with login / password + login_i = (0 if _netrc[0] else 1) + return (_netrc[login_i], _netrc[2]) + except (NetrcParseError, IOError): + # If there was a parsing error or a permissions issue reading the file, + # we'll just skip netrc auth unless explicitly asked to raise errors. + if raise_errors: + raise + + # AppEngine hackiness. + except (ImportError, AttributeError): + pass + + +def guess_filename(obj): + """Tries to guess the filename of the given object.""" + name = getattr(obj, 'name', None) + if (name and isinstance(name, basestring) and name[0] != '<' and + name[-1] != '>'): + return os.path.basename(name) + + +def extract_zipped_paths(path): + """Replace nonexistent paths that look like they refer to a member of a zip + archive with the location of an extracted copy of the target, or else + just return the provided path unchanged. + """ + if os.path.exists(path): + # this is already a valid path, no need to do anything further + return path + + # find the first valid part of the provided path and treat that as a zip archive + # assume the rest of the path is the name of a member in the archive + archive, member = os.path.split(path) + while archive and not os.path.exists(archive): + archive, prefix = os.path.split(archive) + member = '/'.join([prefix, member]) + + if not zipfile.is_zipfile(archive): + return path + + zip_file = zipfile.ZipFile(archive) + if member not in zip_file.namelist(): + return path + + # we have a valid zip archive and a valid member of that archive + tmp = tempfile.gettempdir() + extracted_path = os.path.join(tmp, *member.split('/')) + if not os.path.exists(extracted_path): + extracted_path = zip_file.extract(member, path=tmp) + + return extracted_path + + +def from_key_val_list(value): + """Take an object and test to see if it can be represented as a + dictionary. Unless it can not be represented as such, return an + OrderedDict, e.g., + + :: + + >>> from_key_val_list([('key', 'val')]) + OrderedDict([('key', 'val')]) + >>> from_key_val_list('string') + ValueError: cannot encode objects that are not 2-tuples + >>> from_key_val_list({'key': 'val'}) + OrderedDict([('key', 'val')]) + + :rtype: OrderedDict + """ + if value is None: + return None + + if isinstance(value, (str, bytes, bool, int)): + raise ValueError('cannot encode objects that are not 2-tuples') + + return OrderedDict(value) + + +def to_key_val_list(value): + """Take an object and test to see if it can be represented as a + dictionary. If it can be, return a list of tuples, e.g., + + :: + + >>> to_key_val_list([('key', 'val')]) + [('key', 'val')] + >>> to_key_val_list({'key': 'val'}) + [('key', 'val')] + >>> to_key_val_list('string') + ValueError: cannot encode objects that are not 2-tuples. + + :rtype: list + """ + if value is None: + return None + + if isinstance(value, (str, bytes, bool, int)): + raise ValueError('cannot encode objects that are not 2-tuples') + + if isinstance(value, Mapping): + value = value.items() + + return list(value) + + +# From mitsuhiko/werkzeug (used with permission). +def parse_list_header(value): + """Parse lists as described by RFC 2068 Section 2. + + In particular, parse comma-separated lists where the elements of + the list may include quoted-strings. A quoted-string could + contain a comma. A non-quoted string could have quotes in the + middle. Quotes are removed automatically after parsing. + + It basically works like :func:`parse_set_header` just that items + may appear multiple times and case sensitivity is preserved. + + The return value is a standard :class:`list`: + + >>> parse_list_header('token, "quoted value"') + ['token', 'quoted value'] + + To create a header from the :class:`list` again, use the + :func:`dump_header` function. + + :param value: a string with a list header. + :return: :class:`list` + :rtype: list + """ + result = [] + for item in _parse_list_header(value): + if item[:1] == item[-1:] == '"': + item = unquote_header_value(item[1:-1]) + result.append(item) + return result + + +# From mitsuhiko/werkzeug (used with permission). +def parse_dict_header(value): + """Parse lists of key, value pairs as described by RFC 2068 Section 2 and + convert them into a python dict: + + >>> d = parse_dict_header('foo="is a fish", bar="as well"') + >>> type(d) is dict + True + >>> sorted(d.items()) + [('bar', 'as well'), ('foo', 'is a fish')] + + If there is no value for a key it will be `None`: + + >>> parse_dict_header('key_without_value') + {'key_without_value': None} + + To create a header from the :class:`dict` again, use the + :func:`dump_header` function. + + :param value: a string with a dict header. + :return: :class:`dict` + :rtype: dict + """ + result = {} + for item in _parse_list_header(value): + if '=' not in item: + result[item] = None + continue + name, value = item.split('=', 1) + if value[:1] == value[-1:] == '"': + value = unquote_header_value(value[1:-1]) + result[name] = value + return result + + +# From mitsuhiko/werkzeug (used with permission). +def unquote_header_value(value, is_filename=False): + r"""Unquotes a header value. (Reversal of :func:`quote_header_value`). + This does not use the real unquoting but what browsers are actually + using for quoting. + + :param value: the header value to unquote. + :rtype: str + """ + if value and value[0] == value[-1] == '"': + # this is not the real unquoting, but fixing this so that the + # RFC is met will result in bugs with internet explorer and + # probably some other browsers as well. IE for example is + # uploading files with "C:\foo\bar.txt" as filename + value = value[1:-1] + + # if this is a filename and the starting characters look like + # a UNC path, then just return the value without quotes. Using the + # replace sequence below on a UNC path has the effect of turning + # the leading double slash into a single slash and then + # _fix_ie_filename() doesn't work correctly. See #458. + if not is_filename or value[:2] != '\\\\': + return value.replace('\\\\', '\\').replace('\\"', '"') + return value + + +def dict_from_cookiejar(cj): + """Returns a key/value dictionary from a CookieJar. + + :param cj: CookieJar object to extract cookies from. + :rtype: dict + """ + + cookie_dict = {} + + for cookie in cj: + cookie_dict[cookie.name] = cookie.value + + return cookie_dict + + +def add_dict_to_cookiejar(cj, cookie_dict): + """Returns a CookieJar from a key/value dictionary. + + :param cj: CookieJar to insert cookies into. + :param cookie_dict: Dict of key/values to insert into CookieJar. + :rtype: CookieJar + """ + + return cookiejar_from_dict(cookie_dict, cj) + + +def get_encodings_from_content(content): + """Returns encodings from given content string. + + :param content: bytestring to extract encodings from. + """ + warnings.warn(( + 'In requests 3.0, get_encodings_from_content will be removed. For ' + 'more information, please see the discussion on issue #2266. (This' + ' warning should only appear once.)'), + DeprecationWarning) + + charset_re = re.compile(r'<meta.*?charset=["\']*(.+?)["\'>]', flags=re.I) + pragma_re = re.compile(r'<meta.*?content=["\']*;?charset=(.+?)["\'>]', flags=re.I) + xml_re = re.compile(r'^<\?xml.*?encoding=["\']*(.+?)["\'>]') + + return (charset_re.findall(content) + + pragma_re.findall(content) + + xml_re.findall(content)) + + +def _parse_content_type_header(header): + """Returns content type and parameters from given header + + :param header: string + :return: tuple containing content type and dictionary of + parameters + """ + + tokens = header.split(';') + content_type, params = tokens[0].strip(), tokens[1:] + params_dict = {} + items_to_strip = "\"' " + + for param in params: + param = param.strip() + if param: + key, value = param, True + index_of_equals = param.find("=") + if index_of_equals != -1: + key = param[:index_of_equals].strip(items_to_strip) + value = param[index_of_equals + 1:].strip(items_to_strip) + params_dict[key.lower()] = value + return content_type, params_dict + + +def get_encoding_from_headers(headers): + """Returns encodings from given HTTP Header Dict. + + :param headers: dictionary to extract encoding from. + :rtype: str + """ + + content_type = headers.get('content-type') + + if not content_type: + return None + + content_type, params = _parse_content_type_header(content_type) + + if 'charset' in params: + return params['charset'].strip("'\"") + + if 'text' in content_type: + return 'ISO-8859-1' + + +def stream_decode_response_unicode(iterator, r): + """Stream decodes a iterator.""" + + if r.encoding is None: + for item in iterator: + yield item + return + + decoder = codecs.getincrementaldecoder(r.encoding)(errors='replace') + for chunk in iterator: + rv = decoder.decode(chunk) + if rv: + yield rv + rv = decoder.decode(b'', final=True) + if rv: + yield rv + + +def iter_slices(string, slice_length): + """Iterate over slices of a string.""" + pos = 0 + if slice_length is None or slice_length <= 0: + slice_length = len(string) + while pos < len(string): + yield string[pos:pos + slice_length] + pos += slice_length + + +def get_unicode_from_response(r): + """Returns the requested content back in unicode. + + :param r: Response object to get unicode content from. + + Tried: + + 1. charset from content-type + 2. fall back and replace all unicode characters + + :rtype: str + """ + warnings.warn(( + 'In requests 3.0, get_unicode_from_response will be removed. For ' + 'more information, please see the discussion on issue #2266. (This' + ' warning should only appear once.)'), + DeprecationWarning) + + tried_encodings = [] + + # Try charset from content-type + encoding = get_encoding_from_headers(r.headers) + + if encoding: + try: + return str(r.content, encoding) + except UnicodeError: + tried_encodings.append(encoding) + + # Fall back: + try: + return str(r.content, encoding, errors='replace') + except TypeError: + return r.content + + +# The unreserved URI characters (RFC 3986) +UNRESERVED_SET = frozenset( + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789-._~") + + +def unquote_unreserved(uri): + """Un-escape any percent-escape sequences in a URI that are unreserved + characters. This leaves all reserved, illegal and non-ASCII bytes encoded. + + :rtype: str + """ + parts = uri.split('%') + for i in range(1, len(parts)): + h = parts[i][0:2] + if len(h) == 2 and h.isalnum(): + try: + c = chr(int(h, 16)) + except ValueError: + raise InvalidURL("Invalid percent-escape sequence: '%s'" % h) + + if c in UNRESERVED_SET: + parts[i] = c + parts[i][2:] + else: + parts[i] = '%' + parts[i] + else: + parts[i] = '%' + parts[i] + return ''.join(parts) + + +def requote_uri(uri): + """Re-quote the given URI. + + This function passes the given URI through an unquote/quote cycle to + ensure that it is fully and consistently quoted. + + :rtype: str + """ + safe_with_percent = "!#$%&'()*+,/:;=?@[]~" + safe_without_percent = "!#$&'()*+,/:;=?@[]~" + try: + # Unquote only the unreserved characters + # Then quote only illegal characters (do not quote reserved, + # unreserved, or '%') + return quote(unquote_unreserved(uri), safe=safe_with_percent) + except InvalidURL: + # We couldn't unquote the given URI, so let's try quoting it, but + # there may be unquoted '%'s in the URI. We need to make sure they're + # properly quoted so they do not cause issues elsewhere. + return quote(uri, safe=safe_without_percent) + + +def address_in_network(ip, net): + """This function allows you to check if an IP belongs to a network subnet + + Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24 + returns False if ip = 192.168.1.1 and net = 192.168.100.0/24 + + :rtype: bool + """ + ipaddr = struct.unpack('=L', socket.inet_aton(ip))[0] + netaddr, bits = net.split('/') + netmask = struct.unpack('=L', socket.inet_aton(dotted_netmask(int(bits))))[0] + network = struct.unpack('=L', socket.inet_aton(netaddr))[0] & netmask + return (ipaddr & netmask) == (network & netmask) + + +def dotted_netmask(mask): + """Converts mask from /xx format to xxx.xxx.xxx.xxx + + Example: if mask is 24 function returns 255.255.255.0 + + :rtype: str + """ + bits = 0xffffffff ^ (1 << 32 - mask) - 1 + return socket.inet_ntoa(struct.pack('>I', bits)) + + +def is_ipv4_address(string_ip): + """ + :rtype: bool + """ + try: + socket.inet_aton(string_ip) + except socket.error: + return False + return True + + +def is_valid_cidr(string_network): + """ + Very simple check of the cidr format in no_proxy variable. + + :rtype: bool + """ + if string_network.count('/') == 1: + try: + mask = int(string_network.split('/')[1]) + except ValueError: + return False + + if mask < 1 or mask > 32: + return False + + try: + socket.inet_aton(string_network.split('/')[0]) + except socket.error: + return False + else: + return False + return True + + +@contextlib.contextmanager +def set_environ(env_name, value): + """Set the environment variable 'env_name' to 'value' + + Save previous value, yield, and then restore the previous value stored in + the environment variable 'env_name'. + + If 'value' is None, do nothing""" + value_changed = value is not None + if value_changed: + old_value = os.environ.get(env_name) + os.environ[env_name] = value + try: + yield + finally: + if value_changed: + if old_value is None: + del os.environ[env_name] + else: + os.environ[env_name] = old_value + + +def should_bypass_proxies(url, no_proxy): + """ + Returns whether we should bypass proxies or not. + + :rtype: bool + """ + # Prioritize lowercase environment variables over uppercase + # to keep a consistent behaviour with other http projects (curl, wget). + get_proxy = lambda k: os.environ.get(k) or os.environ.get(k.upper()) + + # First check whether no_proxy is defined. If it is, check that the URL + # we're getting isn't in the no_proxy list. + no_proxy_arg = no_proxy + if no_proxy is None: + no_proxy = get_proxy('no_proxy') + parsed = urlparse(url) + + if parsed.hostname is None: + # URLs don't always have hostnames, e.g. file:/// urls. + return True + + if no_proxy: + # We need to check whether we match here. We need to see if we match + # the end of the hostname, both with and without the port. + no_proxy = ( + host for host in no_proxy.replace(' ', '').split(',') if host + ) + + if is_ipv4_address(parsed.hostname): + for proxy_ip in no_proxy: + if is_valid_cidr(proxy_ip): + if address_in_network(parsed.hostname, proxy_ip): + return True + elif parsed.hostname == proxy_ip: + # If no_proxy ip was defined in plain IP notation instead of cidr notation & + # matches the IP of the index + return True + else: + host_with_port = parsed.hostname + if parsed.port: + host_with_port += ':{}'.format(parsed.port) + + for host in no_proxy: + if parsed.hostname.endswith(host) or host_with_port.endswith(host): + # The URL does match something in no_proxy, so we don't want + # to apply the proxies on this URL. + return True + + with set_environ('no_proxy', no_proxy_arg): + # parsed.hostname can be `None` in cases such as a file URI. + try: + bypass = proxy_bypass(parsed.hostname) + except (TypeError, socket.gaierror): + bypass = False + + if bypass: + return True + + return False + + +def get_environ_proxies(url, no_proxy=None): + """ + Return a dict of environment proxies. + + :rtype: dict + """ + if should_bypass_proxies(url, no_proxy=no_proxy): + return {} + else: + return getproxies() + + +def select_proxy(url, proxies): + """Select a proxy for the url, if applicable. + + :param url: The url being for the request + :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs + """ + proxies = proxies or {} + urlparts = urlparse(url) + if urlparts.hostname is None: + return proxies.get(urlparts.scheme, proxies.get('all')) + + proxy_keys = [ + urlparts.scheme + '://' + urlparts.hostname, + urlparts.scheme, + 'all://' + urlparts.hostname, + 'all', + ] + proxy = None + for proxy_key in proxy_keys: + if proxy_key in proxies: + proxy = proxies[proxy_key] + break + + return proxy + + +def default_user_agent(name="python-requests"): + """ + Return a string representing the default user agent. + + :rtype: str + """ + return '%s/%s' % (name, __version__) + + +def default_headers(): + """ + :rtype: requests.structures.CaseInsensitiveDict + """ + return CaseInsensitiveDict({ + 'User-Agent': default_user_agent(), + 'Accept-Encoding': ', '.join(('gzip', 'deflate')), + 'Accept': '*/*', + 'Connection': 'keep-alive', + }) + + +def parse_header_links(value): + """Return a list of parsed link headers proxies. + + i.e. Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg",<http://.../back.jpeg>; rel=back;type="image/jpeg" + + :rtype: list + """ + + links = [] + + replace_chars = ' \'"' + + value = value.strip(replace_chars) + if not value: + return links + + for val in re.split(', *<', value): + try: + url, params = val.split(';', 1) + except ValueError: + url, params = val, '' + + link = {'url': url.strip('<> \'"')} + + for param in params.split(';'): + try: + key, value = param.split('=') + except ValueError: + break + + link[key.strip(replace_chars)] = value.strip(replace_chars) + + links.append(link) + + return links + + +# Null bytes; no need to recreate these on each call to guess_json_utf +_null = '\x00'.encode('ascii') # encoding to ASCII for Python 3 +_null2 = _null * 2 +_null3 = _null * 3 + + +def guess_json_utf(data): + """ + :rtype: str + """ + # JSON always starts with two ASCII characters, so detection is as + # easy as counting the nulls and from their location and count + # determine the encoding. Also detect a BOM, if present. + sample = data[:4] + if sample in (codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE): + return 'utf-32' # BOM included + if sample[:3] == codecs.BOM_UTF8: + return 'utf-8-sig' # BOM included, MS style (discouraged) + if sample[:2] in (codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE): + return 'utf-16' # BOM included + nullcount = sample.count(_null) + if nullcount == 0: + return 'utf-8' + if nullcount == 2: + if sample[::2] == _null2: # 1st and 3rd are null + return 'utf-16-be' + if sample[1::2] == _null2: # 2nd and 4th are null + return 'utf-16-le' + # Did not detect 2 valid UTF-16 ascii-range characters + if nullcount == 3: + if sample[:3] == _null3: + return 'utf-32-be' + if sample[1:] == _null3: + return 'utf-32-le' + # Did not detect a valid UTF-32 ascii-range character + return None + + +def prepend_scheme_if_needed(url, new_scheme): + """Given a URL that may or may not have a scheme, prepend the given scheme. + Does not replace a present scheme with the one provided as an argument. + + :rtype: str + """ + scheme, netloc, path, params, query, fragment = urlparse(url, new_scheme) + + # urlparse is a finicky beast, and sometimes decides that there isn't a + # netloc present. Assume that it's being over-cautious, and switch netloc + # and path if urlparse decided there was no netloc. + if not netloc: + netloc, path = path, netloc + + return urlunparse((scheme, netloc, path, params, query, fragment)) + + +def get_auth_from_url(url): + """Given a url with authentication components, extract them into a tuple of + username,password. + + :rtype: (str,str) + """ + parsed = urlparse(url) + + try: + auth = (unquote(parsed.username), unquote(parsed.password)) + except (AttributeError, TypeError): + auth = ('', '') + + return auth + + +# Moved outside of function to avoid recompile every call +_CLEAN_HEADER_REGEX_BYTE = re.compile(b'^\\S[^\\r\\n]*$|^$') +_CLEAN_HEADER_REGEX_STR = re.compile(r'^\S[^\r\n]*$|^$') + + +def check_header_validity(header): + """Verifies that header value is a string which doesn't contain + leading whitespace or return characters. This prevents unintended + header injection. + + :param header: tuple, in the format (name, value). + """ + name, value = header + + if isinstance(value, bytes): + pat = _CLEAN_HEADER_REGEX_BYTE + else: + pat = _CLEAN_HEADER_REGEX_STR + try: + if not pat.match(value): + raise InvalidHeader("Invalid return character or leading space in header: %s" % name) + except TypeError: + raise InvalidHeader("Value for header {%s: %s} must be of type str or " + "bytes, not %s" % (name, value, type(value))) + + +def urldefragauth(url): + """ + Given a url remove the fragment and the authentication part. + + :rtype: str + """ + scheme, netloc, path, params, query, fragment = urlparse(url) + + # see func:`prepend_scheme_if_needed` + if not netloc: + netloc, path = path, netloc + + netloc = netloc.rsplit('@', 1)[-1] + + return urlunparse((scheme, netloc, path, params, query, '')) + + +def rewind_body(prepared_request): + """Move file pointer back to its recorded starting position + so it can be read again on redirect. + """ + body_seek = getattr(prepared_request.body, 'seek', None) + if body_seek is not None and isinstance(prepared_request._body_position, integer_types): + try: + body_seek(prepared_request._body_position) + except (IOError, OSError): + raise UnrewindableBodyError("An error occurred when rewinding request " + "body for redirect.") + else: + raise UnrewindableBodyError("Unable to rewind request body for redirect.") diff --git a/venv/lib/python3.7/site-packages/setuptools-40.8.0-py3.7.egg b/venv/lib/python3.7/site-packages/setuptools-40.8.0-py3.7.egg new file mode 100644 index 0000000..a3a7473 Binary files /dev/null and b/venv/lib/python3.7/site-packages/setuptools-40.8.0-py3.7.egg differ diff --git a/venv/lib/python3.7/site-packages/setuptools.pth b/venv/lib/python3.7/site-packages/setuptools.pth new file mode 100644 index 0000000..ca49991 --- /dev/null +++ b/venv/lib/python3.7/site-packages/setuptools.pth @@ -0,0 +1 @@ +./setuptools-40.8.0-py3.7.egg diff --git a/venv/lib/python3.7/site-packages/tornado/__init__.py b/venv/lib/python3.7/site-packages/tornado/__init__.py new file mode 100644 index 0000000..a1094a6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/__init__.py @@ -0,0 +1,26 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""The Tornado web server and tools.""" + +# version is a human-readable version number. + +# version_info is a four-tuple for programmatic comparison. The first +# three numbers are the components of the version number. The fourth +# is zero for an official release, positive for a development branch, +# or negative for a release candidate or beta (after the base version +# number has been incremented) +version = "6.0.3" +version_info = (6, 0, 3, 0) diff --git a/venv/lib/python3.7/site-packages/tornado/_locale_data.py b/venv/lib/python3.7/site-packages/tornado/_locale_data.py new file mode 100644 index 0000000..91416d9 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/_locale_data.py @@ -0,0 +1,82 @@ +# -*- coding: utf-8 -*- +# +# Copyright 2012 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Data used by the tornado.locale module.""" + +LOCALE_NAMES = { + "af_ZA": {"name_en": u"Afrikaans", "name": u"Afrikaans"}, + "am_ET": {"name_en": u"Amharic", "name": u"አማርኛ"}, + "ar_AR": {"name_en": u"Arabic", "name": u"العربية"}, + "bg_BG": {"name_en": u"Bulgarian", "name": u"Български"}, + "bn_IN": {"name_en": u"Bengali", "name": u"বাংলা"}, + "bs_BA": {"name_en": u"Bosnian", "name": u"Bosanski"}, + "ca_ES": {"name_en": u"Catalan", "name": u"Català"}, + "cs_CZ": {"name_en": u"Czech", "name": u"Čeština"}, + "cy_GB": {"name_en": u"Welsh", "name": u"Cymraeg"}, + "da_DK": {"name_en": u"Danish", "name": u"Dansk"}, + "de_DE": {"name_en": u"German", "name": u"Deutsch"}, + "el_GR": {"name_en": u"Greek", "name": u"Ελληνικά"}, + "en_GB": {"name_en": u"English (UK)", "name": u"English (UK)"}, + "en_US": {"name_en": u"English (US)", "name": u"English (US)"}, + "es_ES": {"name_en": u"Spanish (Spain)", "name": u"Español (España)"}, + "es_LA": {"name_en": u"Spanish", "name": u"Español"}, + "et_EE": {"name_en": u"Estonian", "name": u"Eesti"}, + "eu_ES": {"name_en": u"Basque", "name": u"Euskara"}, + "fa_IR": {"name_en": u"Persian", "name": u"فارسی"}, + "fi_FI": {"name_en": u"Finnish", "name": u"Suomi"}, + "fr_CA": {"name_en": u"French (Canada)", "name": u"Français (Canada)"}, + "fr_FR": {"name_en": u"French", "name": u"Français"}, + "ga_IE": {"name_en": u"Irish", "name": u"Gaeilge"}, + "gl_ES": {"name_en": u"Galician", "name": u"Galego"}, + "he_IL": {"name_en": u"Hebrew", "name": u"עברית"}, + "hi_IN": {"name_en": u"Hindi", "name": u"हिन्दी"}, + "hr_HR": {"name_en": u"Croatian", "name": u"Hrvatski"}, + "hu_HU": {"name_en": u"Hungarian", "name": u"Magyar"}, + "id_ID": {"name_en": u"Indonesian", "name": u"Bahasa Indonesia"}, + "is_IS": {"name_en": u"Icelandic", "name": u"Íslenska"}, + "it_IT": {"name_en": u"Italian", "name": u"Italiano"}, + "ja_JP": {"name_en": u"Japanese", "name": u"日本語"}, + "ko_KR": {"name_en": u"Korean", "name": u"한국어"}, + "lt_LT": {"name_en": u"Lithuanian", "name": u"Lietuvių"}, + "lv_LV": {"name_en": u"Latvian", "name": u"Latviešu"}, + "mk_MK": {"name_en": u"Macedonian", "name": u"Македонски"}, + "ml_IN": {"name_en": u"Malayalam", "name": u"മലയാളം"}, + "ms_MY": {"name_en": u"Malay", "name": u"Bahasa Melayu"}, + "nb_NO": {"name_en": u"Norwegian (bokmal)", "name": u"Norsk (bokmål)"}, + "nl_NL": {"name_en": u"Dutch", "name": u"Nederlands"}, + "nn_NO": {"name_en": u"Norwegian (nynorsk)", "name": u"Norsk (nynorsk)"}, + "pa_IN": {"name_en": u"Punjabi", "name": u"ਪੰਜਾਬੀ"}, + "pl_PL": {"name_en": u"Polish", "name": u"Polski"}, + "pt_BR": {"name_en": u"Portuguese (Brazil)", "name": u"Português (Brasil)"}, + "pt_PT": {"name_en": u"Portuguese (Portugal)", "name": u"Português (Portugal)"}, + "ro_RO": {"name_en": u"Romanian", "name": u"Română"}, + "ru_RU": {"name_en": u"Russian", "name": u"Русский"}, + "sk_SK": {"name_en": u"Slovak", "name": u"Slovenčina"}, + "sl_SI": {"name_en": u"Slovenian", "name": u"Slovenščina"}, + "sq_AL": {"name_en": u"Albanian", "name": u"Shqip"}, + "sr_RS": {"name_en": u"Serbian", "name": u"Српски"}, + "sv_SE": {"name_en": u"Swedish", "name": u"Svenska"}, + "sw_KE": {"name_en": u"Swahili", "name": u"Kiswahili"}, + "ta_IN": {"name_en": u"Tamil", "name": u"தமிழ்"}, + "te_IN": {"name_en": u"Telugu", "name": u"తెలుగు"}, + "th_TH": {"name_en": u"Thai", "name": u"ภาษาไทย"}, + "tl_PH": {"name_en": u"Filipino", "name": u"Filipino"}, + "tr_TR": {"name_en": u"Turkish", "name": u"Türkçe"}, + "uk_UA": {"name_en": u"Ukraini ", "name": u"Українська"}, + "vi_VN": {"name_en": u"Vietnamese", "name": u"Tiếng Việt"}, + "zh_CN": {"name_en": u"Chinese (Simplified)", "name": u"中文(简体)"}, + "zh_TW": {"name_en": u"Chinese (Traditional)", "name": u"中文(繁體)"}, +} diff --git a/venv/lib/python3.7/site-packages/tornado/auth.py b/venv/lib/python3.7/site-packages/tornado/auth.py new file mode 100644 index 0000000..db6d290 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/auth.py @@ -0,0 +1,1182 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""This module contains implementations of various third-party +authentication schemes. + +All the classes in this file are class mixins designed to be used with +the `tornado.web.RequestHandler` class. They are used in two ways: + +* On a login handler, use methods such as ``authenticate_redirect()``, + ``authorize_redirect()``, and ``get_authenticated_user()`` to + establish the user's identity and store authentication tokens to your + database and/or cookies. +* In non-login handlers, use methods such as ``facebook_request()`` + or ``twitter_request()`` to use the authentication tokens to make + requests to the respective services. + +They all take slightly different arguments due to the fact all these +services implement authentication and authorization slightly differently. +See the individual service classes below for complete documentation. + +Example usage for Google OAuth: + +.. testcode:: + + class GoogleOAuth2LoginHandler(tornado.web.RequestHandler, + tornado.auth.GoogleOAuth2Mixin): + async def get(self): + if self.get_argument('code', False): + user = await self.get_authenticated_user( + redirect_uri='http://your.site.com/auth/google', + code=self.get_argument('code')) + # Save the user with e.g. set_secure_cookie + else: + await self.authorize_redirect( + redirect_uri='http://your.site.com/auth/google', + client_id=self.settings['google_oauth']['key'], + scope=['profile', 'email'], + response_type='code', + extra_params={'approval_prompt': 'auto'}) + +.. testoutput:: + :hide: + +""" + +import base64 +import binascii +import hashlib +import hmac +import time +import urllib.parse +import uuid + +from tornado import httpclient +from tornado import escape +from tornado.httputil import url_concat +from tornado.util import unicode_type +from tornado.web import RequestHandler + +from typing import List, Any, Dict, cast, Iterable, Union, Optional + + +class AuthError(Exception): + pass + + +class OpenIdMixin(object): + """Abstract implementation of OpenID and Attribute Exchange. + + Class attributes: + + * ``_OPENID_ENDPOINT``: the identity provider's URI. + """ + + def authenticate_redirect( + self, + callback_uri: str = None, + ax_attrs: List[str] = ["name", "email", "language", "username"], + ) -> None: + """Redirects to the authentication URL for this service. + + After authentication, the service will redirect back to the given + callback URI with additional parameters including ``openid.mode``. + + We request the given attributes for the authenticated user by + default (name, email, language, and username). If you don't need + all those attributes for your app, you can request fewer with + the ax_attrs keyword argument. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed and this method no + longer returns an awaitable object. It is now an ordinary + synchronous function. + """ + handler = cast(RequestHandler, self) + callback_uri = callback_uri or handler.request.uri + assert callback_uri is not None + args = self._openid_args(callback_uri, ax_attrs=ax_attrs) + endpoint = self._OPENID_ENDPOINT # type: ignore + handler.redirect(endpoint + "?" + urllib.parse.urlencode(args)) + + async def get_authenticated_user( + self, http_client: httpclient.AsyncHTTPClient = None + ) -> Dict[str, Any]: + """Fetches the authenticated user data upon redirect. + + This method should be called by the handler that receives the + redirect from the `authenticate_redirect()` method (which is + often the same as the one that calls it; in that case you would + call `get_authenticated_user` if the ``openid.mode`` parameter + is present and `authenticate_redirect` if it is not). + + The result of this method will generally be used to set a cookie. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + """ + handler = cast(RequestHandler, self) + # Verify the OpenID response via direct request to the OP + args = dict( + (k, v[-1]) for k, v in handler.request.arguments.items() + ) # type: Dict[str, Union[str, bytes]] + args["openid.mode"] = u"check_authentication" + url = self._OPENID_ENDPOINT # type: ignore + if http_client is None: + http_client = self.get_auth_http_client() + resp = await http_client.fetch( + url, method="POST", body=urllib.parse.urlencode(args) + ) + return self._on_authentication_verified(resp) + + def _openid_args( + self, callback_uri: str, ax_attrs: Iterable[str] = [], oauth_scope: str = None + ) -> Dict[str, str]: + handler = cast(RequestHandler, self) + url = urllib.parse.urljoin(handler.request.full_url(), callback_uri) + args = { + "openid.ns": "http://specs.openid.net/auth/2.0", + "openid.claimed_id": "http://specs.openid.net/auth/2.0/identifier_select", + "openid.identity": "http://specs.openid.net/auth/2.0/identifier_select", + "openid.return_to": url, + "openid.realm": urllib.parse.urljoin(url, "/"), + "openid.mode": "checkid_setup", + } + if ax_attrs: + args.update( + { + "openid.ns.ax": "http://openid.net/srv/ax/1.0", + "openid.ax.mode": "fetch_request", + } + ) + ax_attrs = set(ax_attrs) + required = [] # type: List[str] + if "name" in ax_attrs: + ax_attrs -= set(["name", "firstname", "fullname", "lastname"]) + required += ["firstname", "fullname", "lastname"] + args.update( + { + "openid.ax.type.firstname": "http://axschema.org/namePerson/first", + "openid.ax.type.fullname": "http://axschema.org/namePerson", + "openid.ax.type.lastname": "http://axschema.org/namePerson/last", + } + ) + known_attrs = { + "email": "http://axschema.org/contact/email", + "language": "http://axschema.org/pref/language", + "username": "http://axschema.org/namePerson/friendly", + } + for name in ax_attrs: + args["openid.ax.type." + name] = known_attrs[name] + required.append(name) + args["openid.ax.required"] = ",".join(required) + if oauth_scope: + args.update( + { + "openid.ns.oauth": "http://specs.openid.net/extensions/oauth/1.0", + "openid.oauth.consumer": handler.request.host.split(":")[0], + "openid.oauth.scope": oauth_scope, + } + ) + return args + + def _on_authentication_verified( + self, response: httpclient.HTTPResponse + ) -> Dict[str, Any]: + handler = cast(RequestHandler, self) + if b"is_valid:true" not in response.body: + raise AuthError("Invalid OpenID response: %s" % response.body) + + # Make sure we got back at least an email from attribute exchange + ax_ns = None + for key in handler.request.arguments: + if ( + key.startswith("openid.ns.") + and handler.get_argument(key) == u"http://openid.net/srv/ax/1.0" + ): + ax_ns = key[10:] + break + + def get_ax_arg(uri: str) -> str: + if not ax_ns: + return u"" + prefix = "openid." + ax_ns + ".type." + ax_name = None + for name in handler.request.arguments.keys(): + if handler.get_argument(name) == uri and name.startswith(prefix): + part = name[len(prefix) :] + ax_name = "openid." + ax_ns + ".value." + part + break + if not ax_name: + return u"" + return handler.get_argument(ax_name, u"") + + email = get_ax_arg("http://axschema.org/contact/email") + name = get_ax_arg("http://axschema.org/namePerson") + first_name = get_ax_arg("http://axschema.org/namePerson/first") + last_name = get_ax_arg("http://axschema.org/namePerson/last") + username = get_ax_arg("http://axschema.org/namePerson/friendly") + locale = get_ax_arg("http://axschema.org/pref/language").lower() + user = dict() + name_parts = [] + if first_name: + user["first_name"] = first_name + name_parts.append(first_name) + if last_name: + user["last_name"] = last_name + name_parts.append(last_name) + if name: + user["name"] = name + elif name_parts: + user["name"] = u" ".join(name_parts) + elif email: + user["name"] = email.split("@")[0] + if email: + user["email"] = email + if locale: + user["locale"] = locale + if username: + user["username"] = username + claimed_id = handler.get_argument("openid.claimed_id", None) + if claimed_id: + user["claimed_id"] = claimed_id + return user + + def get_auth_http_client(self) -> httpclient.AsyncHTTPClient: + """Returns the `.AsyncHTTPClient` instance to be used for auth requests. + + May be overridden by subclasses to use an HTTP client other than + the default. + """ + return httpclient.AsyncHTTPClient() + + +class OAuthMixin(object): + """Abstract implementation of OAuth 1.0 and 1.0a. + + See `TwitterMixin` below for an example implementation. + + Class attributes: + + * ``_OAUTH_AUTHORIZE_URL``: The service's OAuth authorization url. + * ``_OAUTH_ACCESS_TOKEN_URL``: The service's OAuth access token url. + * ``_OAUTH_VERSION``: May be either "1.0" or "1.0a". + * ``_OAUTH_NO_CALLBACKS``: Set this to True if the service requires + advance registration of callbacks. + + Subclasses must also override the `_oauth_get_user_future` and + `_oauth_consumer_token` methods. + """ + + async def authorize_redirect( + self, + callback_uri: str = None, + extra_params: Dict[str, Any] = None, + http_client: httpclient.AsyncHTTPClient = None, + ) -> None: + """Redirects the user to obtain OAuth authorization for this service. + + The ``callback_uri`` may be omitted if you have previously + registered a callback URI with the third-party service. For + some services, you must use a previously-registered callback + URI and cannot specify a callback via this method. + + This method sets a cookie called ``_oauth_request_token`` which is + subsequently used (and cleared) in `get_authenticated_user` for + security purposes. + + This method is asynchronous and must be called with ``await`` + or ``yield`` (This is different from other ``auth*_redirect`` + methods defined in this module). It calls + `.RequestHandler.finish` for you so you should not write any + other response after it returns. + + .. versionchanged:: 3.1 + Now returns a `.Future` and takes an optional callback, for + compatibility with `.gen.coroutine`. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + + """ + if callback_uri and getattr(self, "_OAUTH_NO_CALLBACKS", False): + raise Exception("This service does not support oauth_callback") + if http_client is None: + http_client = self.get_auth_http_client() + assert http_client is not None + if getattr(self, "_OAUTH_VERSION", "1.0a") == "1.0a": + response = await http_client.fetch( + self._oauth_request_token_url( + callback_uri=callback_uri, extra_params=extra_params + ) + ) + else: + response = await http_client.fetch(self._oauth_request_token_url()) + url = self._OAUTH_AUTHORIZE_URL # type: ignore + self._on_request_token(url, callback_uri, response) + + async def get_authenticated_user( + self, http_client: httpclient.AsyncHTTPClient = None + ) -> Dict[str, Any]: + """Gets the OAuth authorized user and access token. + + This method should be called from the handler for your + OAuth callback URL to complete the registration process. We run the + callback with the authenticated user dictionary. This dictionary + will contain an ``access_key`` which can be used to make authorized + requests to this service on behalf of the user. The dictionary will + also contain other fields such as ``name``, depending on the service + used. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + """ + handler = cast(RequestHandler, self) + request_key = escape.utf8(handler.get_argument("oauth_token")) + oauth_verifier = handler.get_argument("oauth_verifier", None) + request_cookie = handler.get_cookie("_oauth_request_token") + if not request_cookie: + raise AuthError("Missing OAuth request token cookie") + handler.clear_cookie("_oauth_request_token") + cookie_key, cookie_secret = [ + base64.b64decode(escape.utf8(i)) for i in request_cookie.split("|") + ] + if cookie_key != request_key: + raise AuthError("Request token does not match cookie") + token = dict( + key=cookie_key, secret=cookie_secret + ) # type: Dict[str, Union[str, bytes]] + if oauth_verifier: + token["verifier"] = oauth_verifier + if http_client is None: + http_client = self.get_auth_http_client() + assert http_client is not None + response = await http_client.fetch(self._oauth_access_token_url(token)) + access_token = _oauth_parse_response(response.body) + user = await self._oauth_get_user_future(access_token) + if not user: + raise AuthError("Error getting user") + user["access_token"] = access_token + return user + + def _oauth_request_token_url( + self, callback_uri: str = None, extra_params: Dict[str, Any] = None + ) -> str: + handler = cast(RequestHandler, self) + consumer_token = self._oauth_consumer_token() + url = self._OAUTH_REQUEST_TOKEN_URL # type: ignore + args = dict( + oauth_consumer_key=escape.to_basestring(consumer_token["key"]), + oauth_signature_method="HMAC-SHA1", + oauth_timestamp=str(int(time.time())), + oauth_nonce=escape.to_basestring(binascii.b2a_hex(uuid.uuid4().bytes)), + oauth_version="1.0", + ) + if getattr(self, "_OAUTH_VERSION", "1.0a") == "1.0a": + if callback_uri == "oob": + args["oauth_callback"] = "oob" + elif callback_uri: + args["oauth_callback"] = urllib.parse.urljoin( + handler.request.full_url(), callback_uri + ) + if extra_params: + args.update(extra_params) + signature = _oauth10a_signature(consumer_token, "GET", url, args) + else: + signature = _oauth_signature(consumer_token, "GET", url, args) + + args["oauth_signature"] = signature + return url + "?" + urllib.parse.urlencode(args) + + def _on_request_token( + self, + authorize_url: str, + callback_uri: Optional[str], + response: httpclient.HTTPResponse, + ) -> None: + handler = cast(RequestHandler, self) + request_token = _oauth_parse_response(response.body) + data = ( + base64.b64encode(escape.utf8(request_token["key"])) + + b"|" + + base64.b64encode(escape.utf8(request_token["secret"])) + ) + handler.set_cookie("_oauth_request_token", data) + args = dict(oauth_token=request_token["key"]) + if callback_uri == "oob": + handler.finish(authorize_url + "?" + urllib.parse.urlencode(args)) + return + elif callback_uri: + args["oauth_callback"] = urllib.parse.urljoin( + handler.request.full_url(), callback_uri + ) + handler.redirect(authorize_url + "?" + urllib.parse.urlencode(args)) + + def _oauth_access_token_url(self, request_token: Dict[str, Any]) -> str: + consumer_token = self._oauth_consumer_token() + url = self._OAUTH_ACCESS_TOKEN_URL # type: ignore + args = dict( + oauth_consumer_key=escape.to_basestring(consumer_token["key"]), + oauth_token=escape.to_basestring(request_token["key"]), + oauth_signature_method="HMAC-SHA1", + oauth_timestamp=str(int(time.time())), + oauth_nonce=escape.to_basestring(binascii.b2a_hex(uuid.uuid4().bytes)), + oauth_version="1.0", + ) + if "verifier" in request_token: + args["oauth_verifier"] = request_token["verifier"] + + if getattr(self, "_OAUTH_VERSION", "1.0a") == "1.0a": + signature = _oauth10a_signature( + consumer_token, "GET", url, args, request_token + ) + else: + signature = _oauth_signature( + consumer_token, "GET", url, args, request_token + ) + + args["oauth_signature"] = signature + return url + "?" + urllib.parse.urlencode(args) + + def _oauth_consumer_token(self) -> Dict[str, Any]: + """Subclasses must override this to return their OAuth consumer keys. + + The return value should be a `dict` with keys ``key`` and ``secret``. + """ + raise NotImplementedError() + + async def _oauth_get_user_future( + self, access_token: Dict[str, Any] + ) -> Dict[str, Any]: + """Subclasses must override this to get basic information about the + user. + + Should be a coroutine whose result is a dictionary + containing information about the user, which may have been + retrieved by using ``access_token`` to make a request to the + service. + + The access token will be added to the returned dictionary to make + the result of `get_authenticated_user`. + + .. versionchanged:: 5.1 + + Subclasses may also define this method with ``async def``. + + .. versionchanged:: 6.0 + + A synchronous fallback to ``_oauth_get_user`` was removed. + """ + raise NotImplementedError() + + def _oauth_request_parameters( + self, + url: str, + access_token: Dict[str, Any], + parameters: Dict[str, Any] = {}, + method: str = "GET", + ) -> Dict[str, Any]: + """Returns the OAuth parameters as a dict for the given request. + + parameters should include all POST arguments and query string arguments + that will be sent with the request. + """ + consumer_token = self._oauth_consumer_token() + base_args = dict( + oauth_consumer_key=escape.to_basestring(consumer_token["key"]), + oauth_token=escape.to_basestring(access_token["key"]), + oauth_signature_method="HMAC-SHA1", + oauth_timestamp=str(int(time.time())), + oauth_nonce=escape.to_basestring(binascii.b2a_hex(uuid.uuid4().bytes)), + oauth_version="1.0", + ) + args = {} + args.update(base_args) + args.update(parameters) + if getattr(self, "_OAUTH_VERSION", "1.0a") == "1.0a": + signature = _oauth10a_signature( + consumer_token, method, url, args, access_token + ) + else: + signature = _oauth_signature( + consumer_token, method, url, args, access_token + ) + base_args["oauth_signature"] = escape.to_basestring(signature) + return base_args + + def get_auth_http_client(self) -> httpclient.AsyncHTTPClient: + """Returns the `.AsyncHTTPClient` instance to be used for auth requests. + + May be overridden by subclasses to use an HTTP client other than + the default. + """ + return httpclient.AsyncHTTPClient() + + +class OAuth2Mixin(object): + """Abstract implementation of OAuth 2.0. + + See `FacebookGraphMixin` or `GoogleOAuth2Mixin` below for example + implementations. + + Class attributes: + + * ``_OAUTH_AUTHORIZE_URL``: The service's authorization url. + * ``_OAUTH_ACCESS_TOKEN_URL``: The service's access token url. + """ + + def authorize_redirect( + self, + redirect_uri: str = None, + client_id: str = None, + client_secret: str = None, + extra_params: Dict[str, Any] = None, + scope: str = None, + response_type: str = "code", + ) -> None: + """Redirects the user to obtain OAuth authorization for this service. + + Some providers require that you register a redirect URL with + your application instead of passing one via this method. You + should call this method to log the user in, and then call + ``get_authenticated_user`` in the handler for your + redirect URL to complete the authorization process. + + .. versionchanged:: 6.0 + + The ``callback`` argument and returned awaitable were removed; + this is now an ordinary synchronous function. + """ + handler = cast(RequestHandler, self) + args = {"response_type": response_type} + if redirect_uri is not None: + args["redirect_uri"] = redirect_uri + if client_id is not None: + args["client_id"] = client_id + if extra_params: + args.update(extra_params) + if scope: + args["scope"] = " ".join(scope) + url = self._OAUTH_AUTHORIZE_URL # type: ignore + handler.redirect(url_concat(url, args)) + + def _oauth_request_token_url( + self, + redirect_uri: str = None, + client_id: str = None, + client_secret: str = None, + code: str = None, + extra_params: Dict[str, Any] = None, + ) -> str: + url = self._OAUTH_ACCESS_TOKEN_URL # type: ignore + args = {} # type: Dict[str, str] + if redirect_uri is not None: + args["redirect_uri"] = redirect_uri + if code is not None: + args["code"] = code + if client_id is not None: + args["client_id"] = client_id + if client_secret is not None: + args["client_secret"] = client_secret + if extra_params: + args.update(extra_params) + return url_concat(url, args) + + async def oauth2_request( + self, + url: str, + access_token: str = None, + post_args: Dict[str, Any] = None, + **args: Any + ) -> Any: + """Fetches the given URL auth an OAuth2 access token. + + If the request is a POST, ``post_args`` should be provided. Query + string arguments should be given as keyword arguments. + + Example usage: + + ..testcode:: + + class MainHandler(tornado.web.RequestHandler, + tornado.auth.FacebookGraphMixin): + @tornado.web.authenticated + async def get(self): + new_entry = await self.oauth2_request( + "https://graph.facebook.com/me/feed", + post_args={"message": "I am posting from my Tornado application!"}, + access_token=self.current_user["access_token"]) + + if not new_entry: + # Call failed; perhaps missing permission? + await self.authorize_redirect() + return + self.finish("Posted a message!") + + .. testoutput:: + :hide: + + .. versionadded:: 4.3 + + .. versionchanged::: 6.0 + + The ``callback`` argument was removed. Use the returned awaitable object instead. + """ + all_args = {} + if access_token: + all_args["access_token"] = access_token + all_args.update(args) + + if all_args: + url += "?" + urllib.parse.urlencode(all_args) + http = self.get_auth_http_client() + if post_args is not None: + response = await http.fetch( + url, method="POST", body=urllib.parse.urlencode(post_args) + ) + else: + response = await http.fetch(url) + return escape.json_decode(response.body) + + def get_auth_http_client(self) -> httpclient.AsyncHTTPClient: + """Returns the `.AsyncHTTPClient` instance to be used for auth requests. + + May be overridden by subclasses to use an HTTP client other than + the default. + + .. versionadded:: 4.3 + """ + return httpclient.AsyncHTTPClient() + + +class TwitterMixin(OAuthMixin): + """Twitter OAuth authentication. + + To authenticate with Twitter, register your application with + Twitter at http://twitter.com/apps. Then copy your Consumer Key + and Consumer Secret to the application + `~tornado.web.Application.settings` ``twitter_consumer_key`` and + ``twitter_consumer_secret``. Use this mixin on the handler for the + URL you registered as your application's callback URL. + + When your application is set up, you can use this mixin like this + to authenticate the user with Twitter and get access to their stream: + + .. testcode:: + + class TwitterLoginHandler(tornado.web.RequestHandler, + tornado.auth.TwitterMixin): + async def get(self): + if self.get_argument("oauth_token", None): + user = await self.get_authenticated_user() + # Save the user using e.g. set_secure_cookie() + else: + await self.authorize_redirect() + + .. testoutput:: + :hide: + + The user object returned by `~OAuthMixin.get_authenticated_user` + includes the attributes ``username``, ``name``, ``access_token``, + and all of the custom Twitter user attributes described at + https://dev.twitter.com/docs/api/1.1/get/users/show + """ + + _OAUTH_REQUEST_TOKEN_URL = "https://api.twitter.com/oauth/request_token" + _OAUTH_ACCESS_TOKEN_URL = "https://api.twitter.com/oauth/access_token" + _OAUTH_AUTHORIZE_URL = "https://api.twitter.com/oauth/authorize" + _OAUTH_AUTHENTICATE_URL = "https://api.twitter.com/oauth/authenticate" + _OAUTH_NO_CALLBACKS = False + _TWITTER_BASE_URL = "https://api.twitter.com/1.1" + + async def authenticate_redirect(self, callback_uri: str = None) -> None: + """Just like `~OAuthMixin.authorize_redirect`, but + auto-redirects if authorized. + + This is generally the right interface to use if you are using + Twitter for single-sign on. + + .. versionchanged:: 3.1 + Now returns a `.Future` and takes an optional callback, for + compatibility with `.gen.coroutine`. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + """ + http = self.get_auth_http_client() + response = await http.fetch( + self._oauth_request_token_url(callback_uri=callback_uri) + ) + self._on_request_token(self._OAUTH_AUTHENTICATE_URL, None, response) + + async def twitter_request( + self, + path: str, + access_token: Dict[str, Any], + post_args: Dict[str, Any] = None, + **args: Any + ) -> Any: + """Fetches the given API path, e.g., ``statuses/user_timeline/btaylor`` + + The path should not include the format or API version number. + (we automatically use JSON format and API version 1). + + If the request is a POST, ``post_args`` should be provided. Query + string arguments should be given as keyword arguments. + + All the Twitter methods are documented at http://dev.twitter.com/ + + Many methods require an OAuth access token which you can + obtain through `~OAuthMixin.authorize_redirect` and + `~OAuthMixin.get_authenticated_user`. The user returned through that + process includes an 'access_token' attribute that can be used + to make authenticated requests via this method. Example + usage: + + .. testcode:: + + class MainHandler(tornado.web.RequestHandler, + tornado.auth.TwitterMixin): + @tornado.web.authenticated + async def get(self): + new_entry = await self.twitter_request( + "/statuses/update", + post_args={"status": "Testing Tornado Web Server"}, + access_token=self.current_user["access_token"]) + if not new_entry: + # Call failed; perhaps missing permission? + yield self.authorize_redirect() + return + self.finish("Posted a message!") + + .. testoutput:: + :hide: + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + """ + if path.startswith("http:") or path.startswith("https:"): + # Raw urls are useful for e.g. search which doesn't follow the + # usual pattern: http://search.twitter.com/search.json + url = path + else: + url = self._TWITTER_BASE_URL + path + ".json" + # Add the OAuth resource request signature if we have credentials + if access_token: + all_args = {} + all_args.update(args) + all_args.update(post_args or {}) + method = "POST" if post_args is not None else "GET" + oauth = self._oauth_request_parameters( + url, access_token, all_args, method=method + ) + args.update(oauth) + if args: + url += "?" + urllib.parse.urlencode(args) + http = self.get_auth_http_client() + if post_args is not None: + response = await http.fetch( + url, method="POST", body=urllib.parse.urlencode(post_args) + ) + else: + response = await http.fetch(url) + return escape.json_decode(response.body) + + def _oauth_consumer_token(self) -> Dict[str, Any]: + handler = cast(RequestHandler, self) + handler.require_setting("twitter_consumer_key", "Twitter OAuth") + handler.require_setting("twitter_consumer_secret", "Twitter OAuth") + return dict( + key=handler.settings["twitter_consumer_key"], + secret=handler.settings["twitter_consumer_secret"], + ) + + async def _oauth_get_user_future( + self, access_token: Dict[str, Any] + ) -> Dict[str, Any]: + user = await self.twitter_request( + "/account/verify_credentials", access_token=access_token + ) + if user: + user["username"] = user["screen_name"] + return user + + +class GoogleOAuth2Mixin(OAuth2Mixin): + """Google authentication using OAuth2. + + In order to use, register your application with Google and copy the + relevant parameters to your application settings. + + * Go to the Google Dev Console at http://console.developers.google.com + * Select a project, or create a new one. + * In the sidebar on the left, select APIs & Auth. + * In the list of APIs, find the Google+ API service and set it to ON. + * In the sidebar on the left, select Credentials. + * In the OAuth section of the page, select Create New Client ID. + * Set the Redirect URI to point to your auth handler + * Copy the "Client secret" and "Client ID" to the application settings as + ``{"google_oauth": {"key": CLIENT_ID, "secret": CLIENT_SECRET}}`` + + .. versionadded:: 3.2 + """ + + _OAUTH_AUTHORIZE_URL = "https://accounts.google.com/o/oauth2/v2/auth" + _OAUTH_ACCESS_TOKEN_URL = "https://www.googleapis.com/oauth2/v4/token" + _OAUTH_USERINFO_URL = "https://www.googleapis.com/oauth2/v1/userinfo" + _OAUTH_NO_CALLBACKS = False + _OAUTH_SETTINGS_KEY = "google_oauth" + + async def get_authenticated_user( + self, redirect_uri: str, code: str + ) -> Dict[str, Any]: + """Handles the login for the Google user, returning an access token. + + The result is a dictionary containing an ``access_token`` field + ([among others](https://developers.google.com/identity/protocols/OAuth2WebServer#handlingtheresponse)). + Unlike other ``get_authenticated_user`` methods in this package, + this method does not return any additional information about the user. + The returned access token can be used with `OAuth2Mixin.oauth2_request` + to request additional information (perhaps from + ``https://www.googleapis.com/oauth2/v2/userinfo``) + + Example usage: + + .. testcode:: + + class GoogleOAuth2LoginHandler(tornado.web.RequestHandler, + tornado.auth.GoogleOAuth2Mixin): + async def get(self): + if self.get_argument('code', False): + access = await self.get_authenticated_user( + redirect_uri='http://your.site.com/auth/google', + code=self.get_argument('code')) + user = await self.oauth2_request( + "https://www.googleapis.com/oauth2/v1/userinfo", + access_token=access["access_token"]) + # Save the user and access token with + # e.g. set_secure_cookie. + else: + await self.authorize_redirect( + redirect_uri='http://your.site.com/auth/google', + client_id=self.settings['google_oauth']['key'], + scope=['profile', 'email'], + response_type='code', + extra_params={'approval_prompt': 'auto'}) + + .. testoutput:: + :hide: + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned awaitable object instead. + """ # noqa: E501 + handler = cast(RequestHandler, self) + http = self.get_auth_http_client() + body = urllib.parse.urlencode( + { + "redirect_uri": redirect_uri, + "code": code, + "client_id": handler.settings[self._OAUTH_SETTINGS_KEY]["key"], + "client_secret": handler.settings[self._OAUTH_SETTINGS_KEY]["secret"], + "grant_type": "authorization_code", + } + ) + + response = await http.fetch( + self._OAUTH_ACCESS_TOKEN_URL, + method="POST", + headers={"Content-Type": "application/x-www-form-urlencoded"}, + body=body, + ) + return escape.json_decode(response.body) + + +class FacebookGraphMixin(OAuth2Mixin): + """Facebook authentication using the new Graph API and OAuth2.""" + + _OAUTH_ACCESS_TOKEN_URL = "https://graph.facebook.com/oauth/access_token?" + _OAUTH_AUTHORIZE_URL = "https://www.facebook.com/dialog/oauth?" + _OAUTH_NO_CALLBACKS = False + _FACEBOOK_BASE_URL = "https://graph.facebook.com" + + async def get_authenticated_user( + self, + redirect_uri: str, + client_id: str, + client_secret: str, + code: str, + extra_fields: Dict[str, Any] = None, + ) -> Optional[Dict[str, Any]]: + """Handles the login for the Facebook user, returning a user object. + + Example usage: + + .. testcode:: + + class FacebookGraphLoginHandler(tornado.web.RequestHandler, + tornado.auth.FacebookGraphMixin): + async def get(self): + if self.get_argument("code", False): + user = await self.get_authenticated_user( + redirect_uri='/auth/facebookgraph/', + client_id=self.settings["facebook_api_key"], + client_secret=self.settings["facebook_secret"], + code=self.get_argument("code")) + # Save the user with e.g. set_secure_cookie + else: + await self.authorize_redirect( + redirect_uri='/auth/facebookgraph/', + client_id=self.settings["facebook_api_key"], + extra_params={"scope": "read_stream,offline_access"}) + + .. testoutput:: + :hide: + + This method returns a dictionary which may contain the following fields: + + * ``access_token``, a string which may be passed to `facebook_request` + * ``session_expires``, an integer encoded as a string representing + the time until the access token expires in seconds. This field should + be used like ``int(user['session_expires'])``; in a future version of + Tornado it will change from a string to an integer. + * ``id``, ``name``, ``first_name``, ``last_name``, ``locale``, ``picture``, + ``link``, plus any fields named in the ``extra_fields`` argument. These + fields are copied from the Facebook graph API + `user object <https://developers.facebook.com/docs/graph-api/reference/user>`_ + + .. versionchanged:: 4.5 + The ``session_expires`` field was updated to support changes made to the + Facebook API in March 2017. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned awaitable object instead. + """ + http = self.get_auth_http_client() + args = { + "redirect_uri": redirect_uri, + "code": code, + "client_id": client_id, + "client_secret": client_secret, + } + + fields = set( + ["id", "name", "first_name", "last_name", "locale", "picture", "link"] + ) + if extra_fields: + fields.update(extra_fields) + + response = await http.fetch( + self._oauth_request_token_url(**args) # type: ignore + ) + args = escape.json_decode(response.body) + session = { + "access_token": args.get("access_token"), + "expires_in": args.get("expires_in"), + } + assert session["access_token"] is not None + + user = await self.facebook_request( + path="/me", + access_token=session["access_token"], + appsecret_proof=hmac.new( + key=client_secret.encode("utf8"), + msg=session["access_token"].encode("utf8"), + digestmod=hashlib.sha256, + ).hexdigest(), + fields=",".join(fields), + ) + + if user is None: + return None + + fieldmap = {} + for field in fields: + fieldmap[field] = user.get(field) + + # session_expires is converted to str for compatibility with + # older versions in which the server used url-encoding and + # this code simply returned the string verbatim. + # This should change in Tornado 5.0. + fieldmap.update( + { + "access_token": session["access_token"], + "session_expires": str(session.get("expires_in")), + } + ) + return fieldmap + + async def facebook_request( + self, + path: str, + access_token: str = None, + post_args: Dict[str, Any] = None, + **args: Any + ) -> Any: + """Fetches the given relative API path, e.g., "/btaylor/picture" + + If the request is a POST, ``post_args`` should be provided. Query + string arguments should be given as keyword arguments. + + An introduction to the Facebook Graph API can be found at + http://developers.facebook.com/docs/api + + Many methods require an OAuth access token which you can + obtain through `~OAuth2Mixin.authorize_redirect` and + `get_authenticated_user`. The user returned through that + process includes an ``access_token`` attribute that can be + used to make authenticated requests via this method. + + Example usage: + + .. testcode:: + + class MainHandler(tornado.web.RequestHandler, + tornado.auth.FacebookGraphMixin): + @tornado.web.authenticated + async def get(self): + new_entry = await self.facebook_request( + "/me/feed", + post_args={"message": "I am posting from my Tornado application!"}, + access_token=self.current_user["access_token"]) + + if not new_entry: + # Call failed; perhaps missing permission? + yield self.authorize_redirect() + return + self.finish("Posted a message!") + + .. testoutput:: + :hide: + + The given path is relative to ``self._FACEBOOK_BASE_URL``, + by default "https://graph.facebook.com". + + This method is a wrapper around `OAuth2Mixin.oauth2_request`; + the only difference is that this method takes a relative path, + while ``oauth2_request`` takes a complete url. + + .. versionchanged:: 3.1 + Added the ability to override ``self._FACEBOOK_BASE_URL``. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned awaitable object instead. + """ + url = self._FACEBOOK_BASE_URL + path + return await self.oauth2_request( + url, access_token=access_token, post_args=post_args, **args + ) + + +def _oauth_signature( + consumer_token: Dict[str, Any], + method: str, + url: str, + parameters: Dict[str, Any] = {}, + token: Dict[str, Any] = None, +) -> bytes: + """Calculates the HMAC-SHA1 OAuth signature for the given request. + + See http://oauth.net/core/1.0/#signing_process + """ + parts = urllib.parse.urlparse(url) + scheme, netloc, path = parts[:3] + normalized_url = scheme.lower() + "://" + netloc.lower() + path + + base_elems = [] + base_elems.append(method.upper()) + base_elems.append(normalized_url) + base_elems.append( + "&".join( + "%s=%s" % (k, _oauth_escape(str(v))) for k, v in sorted(parameters.items()) + ) + ) + base_string = "&".join(_oauth_escape(e) for e in base_elems) + + key_elems = [escape.utf8(consumer_token["secret"])] + key_elems.append(escape.utf8(token["secret"] if token else "")) + key = b"&".join(key_elems) + + hash = hmac.new(key, escape.utf8(base_string), hashlib.sha1) + return binascii.b2a_base64(hash.digest())[:-1] + + +def _oauth10a_signature( + consumer_token: Dict[str, Any], + method: str, + url: str, + parameters: Dict[str, Any] = {}, + token: Dict[str, Any] = None, +) -> bytes: + """Calculates the HMAC-SHA1 OAuth 1.0a signature for the given request. + + See http://oauth.net/core/1.0a/#signing_process + """ + parts = urllib.parse.urlparse(url) + scheme, netloc, path = parts[:3] + normalized_url = scheme.lower() + "://" + netloc.lower() + path + + base_elems = [] + base_elems.append(method.upper()) + base_elems.append(normalized_url) + base_elems.append( + "&".join( + "%s=%s" % (k, _oauth_escape(str(v))) for k, v in sorted(parameters.items()) + ) + ) + + base_string = "&".join(_oauth_escape(e) for e in base_elems) + key_elems = [escape.utf8(urllib.parse.quote(consumer_token["secret"], safe="~"))] + key_elems.append( + escape.utf8(urllib.parse.quote(token["secret"], safe="~") if token else "") + ) + key = b"&".join(key_elems) + + hash = hmac.new(key, escape.utf8(base_string), hashlib.sha1) + return binascii.b2a_base64(hash.digest())[:-1] + + +def _oauth_escape(val: Union[str, bytes]) -> str: + if isinstance(val, unicode_type): + val = val.encode("utf-8") + return urllib.parse.quote(val, safe="~") + + +def _oauth_parse_response(body: bytes) -> Dict[str, Any]: + # I can't find an officially-defined encoding for oauth responses and + # have never seen anyone use non-ascii. Leave the response in a byte + # string for python 2, and use utf8 on python 3. + body_str = escape.native_str(body) + p = urllib.parse.parse_qs(body_str, keep_blank_values=False) + token = dict(key=p["oauth_token"][0], secret=p["oauth_token_secret"][0]) + + # Add the extra parameters the Provider included to the token + special = ("oauth_token", "oauth_token_secret") + token.update((k, p[k][0]) for k in p if k not in special) + return token diff --git a/venv/lib/python3.7/site-packages/tornado/autoreload.py b/venv/lib/python3.7/site-packages/tornado/autoreload.py new file mode 100644 index 0000000..1c47aae --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/autoreload.py @@ -0,0 +1,364 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Automatically restart the server when a source file is modified. + +Most applications should not access this module directly. Instead, +pass the keyword argument ``autoreload=True`` to the +`tornado.web.Application` constructor (or ``debug=True``, which +enables this setting and several others). This will enable autoreload +mode as well as checking for changes to templates and static +resources. Note that restarting is a destructive operation and any +requests in progress will be aborted when the process restarts. (If +you want to disable autoreload while using other debug-mode features, +pass both ``debug=True`` and ``autoreload=False``). + +This module can also be used as a command-line wrapper around scripts +such as unit test runners. See the `main` method for details. + +The command-line wrapper and Application debug modes can be used together. +This combination is encouraged as the wrapper catches syntax errors and +other import-time failures, while debug mode catches changes once +the server has started. + +This module will not work correctly when `.HTTPServer`'s multi-process +mode is used. + +Reloading loses any Python interpreter command-line arguments (e.g. ``-u``) +because it re-executes Python using ``sys.executable`` and ``sys.argv``. +Additionally, modifying these variables will cause reloading to behave +incorrectly. + +""" + +import os +import sys + +# sys.path handling +# ----------------- +# +# If a module is run with "python -m", the current directory (i.e. "") +# is automatically prepended to sys.path, but not if it is run as +# "path/to/file.py". The processing for "-m" rewrites the former to +# the latter, so subsequent executions won't have the same path as the +# original. +# +# Conversely, when run as path/to/file.py, the directory containing +# file.py gets added to the path, which can cause confusion as imports +# may become relative in spite of the future import. +# +# We address the former problem by reconstructing the original command +# line (Python >= 3.4) or by setting the $PYTHONPATH environment +# variable (Python < 3.4) before re-execution so the new process will +# see the correct path. We attempt to address the latter problem when +# tornado.autoreload is run as __main__. + +if __name__ == "__main__": + # This sys.path manipulation must come before our imports (as much + # as possible - if we introduced a tornado.sys or tornado.os + # module we'd be in trouble), or else our imports would become + # relative again despite the future import. + # + # There is a separate __main__ block at the end of the file to call main(). + if sys.path[0] == os.path.dirname(__file__): + del sys.path[0] + +import functools +import logging +import os +import pkgutil # type: ignore +import sys +import traceback +import types +import subprocess +import weakref + +from tornado import ioloop +from tornado.log import gen_log +from tornado import process +from tornado.util import exec_in + +try: + import signal +except ImportError: + signal = None # type: ignore + +import typing +from typing import Callable, Dict + +if typing.TYPE_CHECKING: + from typing import List, Optional, Union # noqa: F401 + +# os.execv is broken on Windows and can't properly parse command line +# arguments and executable name if they contain whitespaces. subprocess +# fixes that behavior. +_has_execv = sys.platform != "win32" + +_watched_files = set() +_reload_hooks = [] +_reload_attempted = False +_io_loops = weakref.WeakKeyDictionary() # type: ignore +_autoreload_is_main = False +_original_argv = None # type: Optional[List[str]] +_original_spec = None + + +def start(check_time: int = 500) -> None: + """Begins watching source files for changes. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + """ + io_loop = ioloop.IOLoop.current() + if io_loop in _io_loops: + return + _io_loops[io_loop] = True + if len(_io_loops) > 1: + gen_log.warning("tornado.autoreload started more than once in the same process") + modify_times = {} # type: Dict[str, float] + callback = functools.partial(_reload_on_update, modify_times) + scheduler = ioloop.PeriodicCallback(callback, check_time) + scheduler.start() + + +def wait() -> None: + """Wait for a watched file to change, then restart the process. + + Intended to be used at the end of scripts like unit test runners, + to run the tests again after any source file changes (but see also + the command-line interface in `main`) + """ + io_loop = ioloop.IOLoop() + io_loop.add_callback(start) + io_loop.start() + + +def watch(filename: str) -> None: + """Add a file to the watch list. + + All imported modules are watched by default. + """ + _watched_files.add(filename) + + +def add_reload_hook(fn: Callable[[], None]) -> None: + """Add a function to be called before reloading the process. + + Note that for open file and socket handles it is generally + preferable to set the ``FD_CLOEXEC`` flag (using `fcntl` or + ``tornado.platform.auto.set_close_exec``) instead + of using a reload hook to close them. + """ + _reload_hooks.append(fn) + + +def _reload_on_update(modify_times: Dict[str, float]) -> None: + if _reload_attempted: + # We already tried to reload and it didn't work, so don't try again. + return + if process.task_id() is not None: + # We're in a child process created by fork_processes. If child + # processes restarted themselves, they'd all restart and then + # all call fork_processes again. + return + for module in list(sys.modules.values()): + # Some modules play games with sys.modules (e.g. email/__init__.py + # in the standard library), and occasionally this can cause strange + # failures in getattr. Just ignore anything that's not an ordinary + # module. + if not isinstance(module, types.ModuleType): + continue + path = getattr(module, "__file__", None) + if not path: + continue + if path.endswith(".pyc") or path.endswith(".pyo"): + path = path[:-1] + _check_file(modify_times, path) + for path in _watched_files: + _check_file(modify_times, path) + + +def _check_file(modify_times: Dict[str, float], path: str) -> None: + try: + modified = os.stat(path).st_mtime + except Exception: + return + if path not in modify_times: + modify_times[path] = modified + return + if modify_times[path] != modified: + gen_log.info("%s modified; restarting server", path) + _reload() + + +def _reload() -> None: + global _reload_attempted + _reload_attempted = True + for fn in _reload_hooks: + fn() + if hasattr(signal, "setitimer"): + # Clear the alarm signal set by + # ioloop.set_blocking_log_threshold so it doesn't fire + # after the exec. + signal.setitimer(signal.ITIMER_REAL, 0, 0) + # sys.path fixes: see comments at top of file. If __main__.__spec__ + # exists, we were invoked with -m and the effective path is about to + # change on re-exec. Reconstruct the original command line to + # ensure that the new process sees the same path we did. If + # __spec__ is not available (Python < 3.4), check instead if + # sys.path[0] is an empty string and add the current directory to + # $PYTHONPATH. + if _autoreload_is_main: + assert _original_argv is not None + spec = _original_spec + argv = _original_argv + else: + spec = getattr(sys.modules["__main__"], "__spec__", None) + argv = sys.argv + if spec: + argv = ["-m", spec.name] + argv[1:] + else: + path_prefix = "." + os.pathsep + if sys.path[0] == "" and not os.environ.get("PYTHONPATH", "").startswith( + path_prefix + ): + os.environ["PYTHONPATH"] = path_prefix + os.environ.get("PYTHONPATH", "") + if not _has_execv: + subprocess.Popen([sys.executable] + argv) + os._exit(0) + else: + try: + os.execv(sys.executable, [sys.executable] + argv) + except OSError: + # Mac OS X versions prior to 10.6 do not support execv in + # a process that contains multiple threads. Instead of + # re-executing in the current process, start a new one + # and cause the current process to exit. This isn't + # ideal since the new process is detached from the parent + # terminal and thus cannot easily be killed with ctrl-C, + # but it's better than not being able to autoreload at + # all. + # Unfortunately the errno returned in this case does not + # appear to be consistent, so we can't easily check for + # this error specifically. + os.spawnv( # type: ignore + os.P_NOWAIT, sys.executable, [sys.executable] + argv + ) + # At this point the IOLoop has been closed and finally + # blocks will experience errors if we allow the stack to + # unwind, so just exit uncleanly. + os._exit(0) + + +_USAGE = """\ +Usage: + python -m tornado.autoreload -m module.to.run [args...] + python -m tornado.autoreload path/to/script.py [args...] +""" + + +def main() -> None: + """Command-line wrapper to re-run a script whenever its source changes. + + Scripts may be specified by filename or module name:: + + python -m tornado.autoreload -m tornado.test.runtests + python -m tornado.autoreload tornado/test/runtests.py + + Running a script with this wrapper is similar to calling + `tornado.autoreload.wait` at the end of the script, but this wrapper + can catch import-time problems like syntax errors that would otherwise + prevent the script from reaching its call to `wait`. + """ + # Remember that we were launched with autoreload as main. + # The main module can be tricky; set the variables both in our globals + # (which may be __main__) and the real importable version. + import tornado.autoreload + + global _autoreload_is_main + global _original_argv, _original_spec + tornado.autoreload._autoreload_is_main = _autoreload_is_main = True + original_argv = sys.argv + tornado.autoreload._original_argv = _original_argv = original_argv + original_spec = getattr(sys.modules["__main__"], "__spec__", None) + tornado.autoreload._original_spec = _original_spec = original_spec + sys.argv = sys.argv[:] + if len(sys.argv) >= 3 and sys.argv[1] == "-m": + mode = "module" + module = sys.argv[2] + del sys.argv[1:3] + elif len(sys.argv) >= 2: + mode = "script" + script = sys.argv[1] + sys.argv = sys.argv[1:] + else: + print(_USAGE, file=sys.stderr) + sys.exit(1) + + try: + if mode == "module": + import runpy + + runpy.run_module(module, run_name="__main__", alter_sys=True) + elif mode == "script": + with open(script) as f: + # Execute the script in our namespace instead of creating + # a new one so that something that tries to import __main__ + # (e.g. the unittest module) will see names defined in the + # script instead of just those defined in this module. + global __file__ + __file__ = script + # If __package__ is defined, imports may be incorrectly + # interpreted as relative to this module. + global __package__ + del __package__ + exec_in(f.read(), globals(), globals()) + except SystemExit as e: + logging.basicConfig() + gen_log.info("Script exited with status %s", e.code) + except Exception as e: + logging.basicConfig() + gen_log.warning("Script exited with uncaught exception", exc_info=True) + # If an exception occurred at import time, the file with the error + # never made it into sys.modules and so we won't know to watch it. + # Just to make sure we've covered everything, walk the stack trace + # from the exception and watch every file. + for (filename, lineno, name, line) in traceback.extract_tb(sys.exc_info()[2]): + watch(filename) + if isinstance(e, SyntaxError): + # SyntaxErrors are special: their innermost stack frame is fake + # so extract_tb won't see it and we have to get the filename + # from the exception object. + watch(e.filename) + else: + logging.basicConfig() + gen_log.info("Script exited normally") + # restore sys.argv so subsequent executions will include autoreload + sys.argv = original_argv + + if mode == "module": + # runpy did a fake import of the module as __main__, but now it's + # no longer in sys.modules. Figure out where it is and watch it. + loader = pkgutil.get_loader(module) + if loader is not None: + watch(loader.get_filename()) # type: ignore + + wait() + + +if __name__ == "__main__": + # See also the other __main__ block at the top of the file, which modifies + # sys.path before our imports + main() diff --git a/venv/lib/python3.7/site-packages/tornado/concurrent.py b/venv/lib/python3.7/site-packages/tornado/concurrent.py new file mode 100644 index 0000000..3a49940 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/concurrent.py @@ -0,0 +1,264 @@ +# +# Copyright 2012 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +"""Utilities for working with ``Future`` objects. + +Tornado previously provided its own ``Future`` class, but now uses +`asyncio.Future`. This module contains utility functions for working +with `asyncio.Future` in a way that is backwards-compatible with +Tornado's old ``Future`` implementation. + +While this module is an important part of Tornado's internal +implementation, applications rarely need to interact with it +directly. + +""" + +import asyncio +from concurrent import futures +import functools +import sys +import types + +from tornado.log import app_log + +import typing +from typing import Any, Callable, Optional, Tuple, Union + +_T = typing.TypeVar("_T") + + +class ReturnValueIgnoredError(Exception): + # No longer used; was previously used by @return_future + pass + + +Future = asyncio.Future + +FUTURES = (futures.Future, Future) + + +def is_future(x: Any) -> bool: + return isinstance(x, FUTURES) + + +class DummyExecutor(futures.Executor): + def submit( + self, fn: Callable[..., _T], *args: Any, **kwargs: Any + ) -> "futures.Future[_T]": + future = futures.Future() # type: futures.Future[_T] + try: + future_set_result_unless_cancelled(future, fn(*args, **kwargs)) + except Exception: + future_set_exc_info(future, sys.exc_info()) + return future + + def shutdown(self, wait: bool = True) -> None: + pass + + +dummy_executor = DummyExecutor() + + +def run_on_executor(*args: Any, **kwargs: Any) -> Callable: + """Decorator to run a synchronous method asynchronously on an executor. + + The decorated method may be called with a ``callback`` keyword + argument and returns a future. + + The executor to be used is determined by the ``executor`` + attributes of ``self``. To use a different attribute name, pass a + keyword argument to the decorator:: + + @run_on_executor(executor='_thread_pool') + def foo(self): + pass + + This decorator should not be confused with the similarly-named + `.IOLoop.run_in_executor`. In general, using ``run_in_executor`` + when *calling* a blocking method is recommended instead of using + this decorator when *defining* a method. If compatibility with older + versions of Tornado is required, consider defining an executor + and using ``executor.submit()`` at the call site. + + .. versionchanged:: 4.2 + Added keyword arguments to use alternative attributes. + + .. versionchanged:: 5.0 + Always uses the current IOLoop instead of ``self.io_loop``. + + .. versionchanged:: 5.1 + Returns a `.Future` compatible with ``await`` instead of a + `concurrent.futures.Future`. + + .. deprecated:: 5.1 + + The ``callback`` argument is deprecated and will be removed in + 6.0. The decorator itself is discouraged in new code but will + not be removed in 6.0. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. + """ + # Fully type-checking decorators is tricky, and this one is + # discouraged anyway so it doesn't have all the generic magic. + def run_on_executor_decorator(fn: Callable) -> Callable[..., Future]: + executor = kwargs.get("executor", "executor") + + @functools.wraps(fn) + def wrapper(self: Any, *args: Any, **kwargs: Any) -> Future: + async_future = Future() # type: Future + conc_future = getattr(self, executor).submit(fn, self, *args, **kwargs) + chain_future(conc_future, async_future) + return async_future + + return wrapper + + if args and kwargs: + raise ValueError("cannot combine positional and keyword args") + if len(args) == 1: + return run_on_executor_decorator(args[0]) + elif len(args) != 0: + raise ValueError("expected 1 argument, got %d", len(args)) + return run_on_executor_decorator + + +_NO_RESULT = object() + + +def chain_future(a: "Future[_T]", b: "Future[_T]") -> None: + """Chain two futures together so that when one completes, so does the other. + + The result (success or failure) of ``a`` will be copied to ``b``, unless + ``b`` has already been completed or cancelled by the time ``a`` finishes. + + .. versionchanged:: 5.0 + + Now accepts both Tornado/asyncio `Future` objects and + `concurrent.futures.Future`. + + """ + + def copy(future: "Future[_T]") -> None: + assert future is a + if b.done(): + return + if hasattr(a, "exc_info") and a.exc_info() is not None: # type: ignore + future_set_exc_info(b, a.exc_info()) # type: ignore + elif a.exception() is not None: + b.set_exception(a.exception()) + else: + b.set_result(a.result()) + + if isinstance(a, Future): + future_add_done_callback(a, copy) + else: + # concurrent.futures.Future + from tornado.ioloop import IOLoop + + IOLoop.current().add_future(a, copy) + + +def future_set_result_unless_cancelled( + future: "Union[futures.Future[_T], Future[_T]]", value: _T +) -> None: + """Set the given ``value`` as the `Future`'s result, if not cancelled. + + Avoids ``asyncio.InvalidStateError`` when calling ``set_result()`` on + a cancelled `asyncio.Future`. + + .. versionadded:: 5.0 + """ + if not future.cancelled(): + future.set_result(value) + + +def future_set_exception_unless_cancelled( + future: "Union[futures.Future[_T], Future[_T]]", exc: BaseException +) -> None: + """Set the given ``exc`` as the `Future`'s exception. + + If the Future is already canceled, logs the exception instead. If + this logging is not desired, the caller should explicitly check + the state of the Future and call ``Future.set_exception`` instead of + this wrapper. + + Avoids ``asyncio.InvalidStateError`` when calling ``set_exception()`` on + a cancelled `asyncio.Future`. + + .. versionadded:: 6.0 + + """ + if not future.cancelled(): + future.set_exception(exc) + else: + app_log.error("Exception after Future was cancelled", exc_info=exc) + + +def future_set_exc_info( + future: "Union[futures.Future[_T], Future[_T]]", + exc_info: Tuple[ + Optional[type], Optional[BaseException], Optional[types.TracebackType] + ], +) -> None: + """Set the given ``exc_info`` as the `Future`'s exception. + + Understands both `asyncio.Future` and the extensions in older + versions of Tornado to enable better tracebacks on Python 2. + + .. versionadded:: 5.0 + + .. versionchanged:: 6.0 + + If the future is already cancelled, this function is a no-op. + (previously ``asyncio.InvalidStateError`` would be raised) + + """ + if exc_info[1] is None: + raise Exception("future_set_exc_info called with no exception") + future_set_exception_unless_cancelled(future, exc_info[1]) + + +@typing.overload +def future_add_done_callback( + future: "futures.Future[_T]", callback: Callable[["futures.Future[_T]"], None] +) -> None: + pass + + +@typing.overload # noqa: F811 +def future_add_done_callback( + future: "Future[_T]", callback: Callable[["Future[_T]"], None] +) -> None: + pass + + +def future_add_done_callback( # noqa: F811 + future: "Union[futures.Future[_T], Future[_T]]", callback: Callable[..., None] +) -> None: + """Arrange to call ``callback`` when ``future`` is complete. + + ``callback`` is invoked with one argument, the ``future``. + + If ``future`` is already done, ``callback`` is invoked immediately. + This may differ from the behavior of ``Future.add_done_callback``, + which makes no such guarantee. + + .. versionadded:: 5.0 + """ + if future.done(): + callback(future) + else: + future.add_done_callback(callback) diff --git a/venv/lib/python3.7/site-packages/tornado/curl_httpclient.py b/venv/lib/python3.7/site-packages/tornado/curl_httpclient.py new file mode 100644 index 0000000..4119585 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/curl_httpclient.py @@ -0,0 +1,572 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Non-blocking HTTP client implementation using pycurl.""" + +import collections +import functools +import logging +import pycurl # type: ignore +import threading +import time +from io import BytesIO + +from tornado import httputil +from tornado import ioloop + +from tornado.escape import utf8, native_str +from tornado.httpclient import ( + HTTPRequest, + HTTPResponse, + HTTPError, + AsyncHTTPClient, + main, +) +from tornado.log import app_log + +from typing import Dict, Any, Callable, Union +import typing + +if typing.TYPE_CHECKING: + from typing import Deque, Tuple, Optional # noqa: F401 + +curl_log = logging.getLogger("tornado.curl_httpclient") + + +class CurlAsyncHTTPClient(AsyncHTTPClient): + def initialize( # type: ignore + self, max_clients: int = 10, defaults: Dict[str, Any] = None + ) -> None: + super(CurlAsyncHTTPClient, self).initialize(defaults=defaults) + self._multi = pycurl.CurlMulti() + self._multi.setopt(pycurl.M_TIMERFUNCTION, self._set_timeout) + self._multi.setopt(pycurl.M_SOCKETFUNCTION, self._handle_socket) + self._curls = [self._curl_create() for i in range(max_clients)] + self._free_list = self._curls[:] + self._requests = ( + collections.deque() + ) # type: Deque[Tuple[HTTPRequest, Callable[[HTTPResponse], None], float]] + self._fds = {} # type: Dict[int, int] + self._timeout = None # type: Optional[object] + + # libcurl has bugs that sometimes cause it to not report all + # relevant file descriptors and timeouts to TIMERFUNCTION/ + # SOCKETFUNCTION. Mitigate the effects of such bugs by + # forcing a periodic scan of all active requests. + self._force_timeout_callback = ioloop.PeriodicCallback( + self._handle_force_timeout, 1000 + ) + self._force_timeout_callback.start() + + # Work around a bug in libcurl 7.29.0: Some fields in the curl + # multi object are initialized lazily, and its destructor will + # segfault if it is destroyed without having been used. Add + # and remove a dummy handle to make sure everything is + # initialized. + dummy_curl_handle = pycurl.Curl() + self._multi.add_handle(dummy_curl_handle) + self._multi.remove_handle(dummy_curl_handle) + + def close(self) -> None: + self._force_timeout_callback.stop() + if self._timeout is not None: + self.io_loop.remove_timeout(self._timeout) + for curl in self._curls: + curl.close() + self._multi.close() + super(CurlAsyncHTTPClient, self).close() + + # Set below properties to None to reduce the reference count of current + # instance, because those properties hold some methods of current + # instance that will case circular reference. + self._force_timeout_callback = None # type: ignore + self._multi = None + + def fetch_impl( + self, request: HTTPRequest, callback: Callable[[HTTPResponse], None] + ) -> None: + self._requests.append((request, callback, self.io_loop.time())) + self._process_queue() + self._set_timeout(0) + + def _handle_socket(self, event: int, fd: int, multi: Any, data: bytes) -> None: + """Called by libcurl when it wants to change the file descriptors + it cares about. + """ + event_map = { + pycurl.POLL_NONE: ioloop.IOLoop.NONE, + pycurl.POLL_IN: ioloop.IOLoop.READ, + pycurl.POLL_OUT: ioloop.IOLoop.WRITE, + pycurl.POLL_INOUT: ioloop.IOLoop.READ | ioloop.IOLoop.WRITE, + } + if event == pycurl.POLL_REMOVE: + if fd in self._fds: + self.io_loop.remove_handler(fd) + del self._fds[fd] + else: + ioloop_event = event_map[event] + # libcurl sometimes closes a socket and then opens a new + # one using the same FD without giving us a POLL_NONE in + # between. This is a problem with the epoll IOLoop, + # because the kernel can tell when a socket is closed and + # removes it from the epoll automatically, causing future + # update_handler calls to fail. Since we can't tell when + # this has happened, always use remove and re-add + # instead of update. + if fd in self._fds: + self.io_loop.remove_handler(fd) + self.io_loop.add_handler(fd, self._handle_events, ioloop_event) + self._fds[fd] = ioloop_event + + def _set_timeout(self, msecs: int) -> None: + """Called by libcurl to schedule a timeout.""" + if self._timeout is not None: + self.io_loop.remove_timeout(self._timeout) + self._timeout = self.io_loop.add_timeout( + self.io_loop.time() + msecs / 1000.0, self._handle_timeout + ) + + def _handle_events(self, fd: int, events: int) -> None: + """Called by IOLoop when there is activity on one of our + file descriptors. + """ + action = 0 + if events & ioloop.IOLoop.READ: + action |= pycurl.CSELECT_IN + if events & ioloop.IOLoop.WRITE: + action |= pycurl.CSELECT_OUT + while True: + try: + ret, num_handles = self._multi.socket_action(fd, action) + except pycurl.error as e: + ret = e.args[0] + if ret != pycurl.E_CALL_MULTI_PERFORM: + break + self._finish_pending_requests() + + def _handle_timeout(self) -> None: + """Called by IOLoop when the requested timeout has passed.""" + self._timeout = None + while True: + try: + ret, num_handles = self._multi.socket_action(pycurl.SOCKET_TIMEOUT, 0) + except pycurl.error as e: + ret = e.args[0] + if ret != pycurl.E_CALL_MULTI_PERFORM: + break + self._finish_pending_requests() + + # In theory, we shouldn't have to do this because curl will + # call _set_timeout whenever the timeout changes. However, + # sometimes after _handle_timeout we will need to reschedule + # immediately even though nothing has changed from curl's + # perspective. This is because when socket_action is + # called with SOCKET_TIMEOUT, libcurl decides internally which + # timeouts need to be processed by using a monotonic clock + # (where available) while tornado uses python's time.time() + # to decide when timeouts have occurred. When those clocks + # disagree on elapsed time (as they will whenever there is an + # NTP adjustment), tornado might call _handle_timeout before + # libcurl is ready. After each timeout, resync the scheduled + # timeout with libcurl's current state. + new_timeout = self._multi.timeout() + if new_timeout >= 0: + self._set_timeout(new_timeout) + + def _handle_force_timeout(self) -> None: + """Called by IOLoop periodically to ask libcurl to process any + events it may have forgotten about. + """ + while True: + try: + ret, num_handles = self._multi.socket_all() + except pycurl.error as e: + ret = e.args[0] + if ret != pycurl.E_CALL_MULTI_PERFORM: + break + self._finish_pending_requests() + + def _finish_pending_requests(self) -> None: + """Process any requests that were completed by the last + call to multi.socket_action. + """ + while True: + num_q, ok_list, err_list = self._multi.info_read() + for curl in ok_list: + self._finish(curl) + for curl, errnum, errmsg in err_list: + self._finish(curl, errnum, errmsg) + if num_q == 0: + break + self._process_queue() + + def _process_queue(self) -> None: + while True: + started = 0 + while self._free_list and self._requests: + started += 1 + curl = self._free_list.pop() + (request, callback, queue_start_time) = self._requests.popleft() + curl.info = { + "headers": httputil.HTTPHeaders(), + "buffer": BytesIO(), + "request": request, + "callback": callback, + "queue_start_time": queue_start_time, + "curl_start_time": time.time(), + "curl_start_ioloop_time": self.io_loop.current().time(), + } + try: + self._curl_setup_request( + curl, request, curl.info["buffer"], curl.info["headers"] + ) + except Exception as e: + # If there was an error in setup, pass it on + # to the callback. Note that allowing the + # error to escape here will appear to work + # most of the time since we are still in the + # caller's original stack frame, but when + # _process_queue() is called from + # _finish_pending_requests the exceptions have + # nowhere to go. + self._free_list.append(curl) + callback(HTTPResponse(request=request, code=599, error=e)) + else: + self._multi.add_handle(curl) + + if not started: + break + + def _finish( + self, curl: pycurl.Curl, curl_error: int = None, curl_message: str = None + ) -> None: + info = curl.info + curl.info = None + self._multi.remove_handle(curl) + self._free_list.append(curl) + buffer = info["buffer"] + if curl_error: + assert curl_message is not None + error = CurlError(curl_error, curl_message) # type: Optional[CurlError] + assert error is not None + code = error.code + effective_url = None + buffer.close() + buffer = None + else: + error = None + code = curl.getinfo(pycurl.HTTP_CODE) + effective_url = curl.getinfo(pycurl.EFFECTIVE_URL) + buffer.seek(0) + # the various curl timings are documented at + # http://curl.haxx.se/libcurl/c/curl_easy_getinfo.html + time_info = dict( + queue=info["curl_start_ioloop_time"] - info["queue_start_time"], + namelookup=curl.getinfo(pycurl.NAMELOOKUP_TIME), + connect=curl.getinfo(pycurl.CONNECT_TIME), + appconnect=curl.getinfo(pycurl.APPCONNECT_TIME), + pretransfer=curl.getinfo(pycurl.PRETRANSFER_TIME), + starttransfer=curl.getinfo(pycurl.STARTTRANSFER_TIME), + total=curl.getinfo(pycurl.TOTAL_TIME), + redirect=curl.getinfo(pycurl.REDIRECT_TIME), + ) + try: + info["callback"]( + HTTPResponse( + request=info["request"], + code=code, + headers=info["headers"], + buffer=buffer, + effective_url=effective_url, + error=error, + reason=info["headers"].get("X-Http-Reason", None), + request_time=self.io_loop.time() - info["curl_start_ioloop_time"], + start_time=info["curl_start_time"], + time_info=time_info, + ) + ) + except Exception: + self.handle_callback_exception(info["callback"]) + + def handle_callback_exception(self, callback: Any) -> None: + app_log.error("Exception in callback %r", callback, exc_info=True) + + def _curl_create(self) -> pycurl.Curl: + curl = pycurl.Curl() + if curl_log.isEnabledFor(logging.DEBUG): + curl.setopt(pycurl.VERBOSE, 1) + curl.setopt(pycurl.DEBUGFUNCTION, self._curl_debug) + if hasattr( + pycurl, "PROTOCOLS" + ): # PROTOCOLS first appeared in pycurl 7.19.5 (2014-07-12) + curl.setopt(pycurl.PROTOCOLS, pycurl.PROTO_HTTP | pycurl.PROTO_HTTPS) + curl.setopt(pycurl.REDIR_PROTOCOLS, pycurl.PROTO_HTTP | pycurl.PROTO_HTTPS) + return curl + + def _curl_setup_request( + self, + curl: pycurl.Curl, + request: HTTPRequest, + buffer: BytesIO, + headers: httputil.HTTPHeaders, + ) -> None: + curl.setopt(pycurl.URL, native_str(request.url)) + + # libcurl's magic "Expect: 100-continue" behavior causes delays + # with servers that don't support it (which include, among others, + # Google's OpenID endpoint). Additionally, this behavior has + # a bug in conjunction with the curl_multi_socket_action API + # (https://sourceforge.net/tracker/?func=detail&atid=100976&aid=3039744&group_id=976), + # which increases the delays. It's more trouble than it's worth, + # so just turn off the feature (yes, setting Expect: to an empty + # value is the official way to disable this) + if "Expect" not in request.headers: + request.headers["Expect"] = "" + + # libcurl adds Pragma: no-cache by default; disable that too + if "Pragma" not in request.headers: + request.headers["Pragma"] = "" + + curl.setopt( + pycurl.HTTPHEADER, + [ + "%s: %s" % (native_str(k), native_str(v)) + for k, v in request.headers.get_all() + ], + ) + + curl.setopt( + pycurl.HEADERFUNCTION, + functools.partial( + self._curl_header_callback, headers, request.header_callback + ), + ) + if request.streaming_callback: + + def write_function(b: Union[bytes, bytearray]) -> int: + assert request.streaming_callback is not None + self.io_loop.add_callback(request.streaming_callback, b) + return len(b) + + else: + write_function = buffer.write + curl.setopt(pycurl.WRITEFUNCTION, write_function) + curl.setopt(pycurl.FOLLOWLOCATION, request.follow_redirects) + curl.setopt(pycurl.MAXREDIRS, request.max_redirects) + assert request.connect_timeout is not None + curl.setopt(pycurl.CONNECTTIMEOUT_MS, int(1000 * request.connect_timeout)) + assert request.request_timeout is not None + curl.setopt(pycurl.TIMEOUT_MS, int(1000 * request.request_timeout)) + if request.user_agent: + curl.setopt(pycurl.USERAGENT, native_str(request.user_agent)) + else: + curl.setopt(pycurl.USERAGENT, "Mozilla/5.0 (compatible; pycurl)") + if request.network_interface: + curl.setopt(pycurl.INTERFACE, request.network_interface) + if request.decompress_response: + curl.setopt(pycurl.ENCODING, "gzip,deflate") + else: + curl.setopt(pycurl.ENCODING, "none") + if request.proxy_host and request.proxy_port: + curl.setopt(pycurl.PROXY, request.proxy_host) + curl.setopt(pycurl.PROXYPORT, request.proxy_port) + if request.proxy_username: + assert request.proxy_password is not None + credentials = httputil.encode_username_password( + request.proxy_username, request.proxy_password + ) + curl.setopt(pycurl.PROXYUSERPWD, credentials) + + if request.proxy_auth_mode is None or request.proxy_auth_mode == "basic": + curl.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_BASIC) + elif request.proxy_auth_mode == "digest": + curl.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_DIGEST) + else: + raise ValueError( + "Unsupported proxy_auth_mode %s" % request.proxy_auth_mode + ) + else: + curl.setopt(pycurl.PROXY, "") + curl.unsetopt(pycurl.PROXYUSERPWD) + if request.validate_cert: + curl.setopt(pycurl.SSL_VERIFYPEER, 1) + curl.setopt(pycurl.SSL_VERIFYHOST, 2) + else: + curl.setopt(pycurl.SSL_VERIFYPEER, 0) + curl.setopt(pycurl.SSL_VERIFYHOST, 0) + if request.ca_certs is not None: + curl.setopt(pycurl.CAINFO, request.ca_certs) + else: + # There is no way to restore pycurl.CAINFO to its default value + # (Using unsetopt makes it reject all certificates). + # I don't see any way to read the default value from python so it + # can be restored later. We'll have to just leave CAINFO untouched + # if no ca_certs file was specified, and require that if any + # request uses a custom ca_certs file, they all must. + pass + + if request.allow_ipv6 is False: + # Curl behaves reasonably when DNS resolution gives an ipv6 address + # that we can't reach, so allow ipv6 unless the user asks to disable. + curl.setopt(pycurl.IPRESOLVE, pycurl.IPRESOLVE_V4) + else: + curl.setopt(pycurl.IPRESOLVE, pycurl.IPRESOLVE_WHATEVER) + + # Set the request method through curl's irritating interface which makes + # up names for almost every single method + curl_options = { + "GET": pycurl.HTTPGET, + "POST": pycurl.POST, + "PUT": pycurl.UPLOAD, + "HEAD": pycurl.NOBODY, + } + custom_methods = set(["DELETE", "OPTIONS", "PATCH"]) + for o in curl_options.values(): + curl.setopt(o, False) + if request.method in curl_options: + curl.unsetopt(pycurl.CUSTOMREQUEST) + curl.setopt(curl_options[request.method], True) + elif request.allow_nonstandard_methods or request.method in custom_methods: + curl.setopt(pycurl.CUSTOMREQUEST, request.method) + else: + raise KeyError("unknown method " + request.method) + + body_expected = request.method in ("POST", "PATCH", "PUT") + body_present = request.body is not None + if not request.allow_nonstandard_methods: + # Some HTTP methods nearly always have bodies while others + # almost never do. Fail in this case unless the user has + # opted out of sanity checks with allow_nonstandard_methods. + if (body_expected and not body_present) or ( + body_present and not body_expected + ): + raise ValueError( + "Body must %sbe None for method %s (unless " + "allow_nonstandard_methods is true)" + % ("not " if body_expected else "", request.method) + ) + + if body_expected or body_present: + if request.method == "GET": + # Even with `allow_nonstandard_methods` we disallow + # GET with a body (because libcurl doesn't allow it + # unless we use CUSTOMREQUEST). While the spec doesn't + # forbid clients from sending a body, it arguably + # disallows the server from doing anything with them. + raise ValueError("Body must be None for GET request") + request_buffer = BytesIO(utf8(request.body or "")) + + def ioctl(cmd: int) -> None: + if cmd == curl.IOCMD_RESTARTREAD: + request_buffer.seek(0) + + curl.setopt(pycurl.READFUNCTION, request_buffer.read) + curl.setopt(pycurl.IOCTLFUNCTION, ioctl) + if request.method == "POST": + curl.setopt(pycurl.POSTFIELDSIZE, len(request.body or "")) + else: + curl.setopt(pycurl.UPLOAD, True) + curl.setopt(pycurl.INFILESIZE, len(request.body or "")) + + if request.auth_username is not None: + assert request.auth_password is not None + if request.auth_mode is None or request.auth_mode == "basic": + curl.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_BASIC) + elif request.auth_mode == "digest": + curl.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_DIGEST) + else: + raise ValueError("Unsupported auth_mode %s" % request.auth_mode) + + userpwd = httputil.encode_username_password( + request.auth_username, request.auth_password + ) + curl.setopt(pycurl.USERPWD, userpwd) + curl_log.debug( + "%s %s (username: %r)", + request.method, + request.url, + request.auth_username, + ) + else: + curl.unsetopt(pycurl.USERPWD) + curl_log.debug("%s %s", request.method, request.url) + + if request.client_cert is not None: + curl.setopt(pycurl.SSLCERT, request.client_cert) + + if request.client_key is not None: + curl.setopt(pycurl.SSLKEY, request.client_key) + + if request.ssl_options is not None: + raise ValueError("ssl_options not supported in curl_httpclient") + + if threading.active_count() > 1: + # libcurl/pycurl is not thread-safe by default. When multiple threads + # are used, signals should be disabled. This has the side effect + # of disabling DNS timeouts in some environments (when libcurl is + # not linked against ares), so we don't do it when there is only one + # thread. Applications that use many short-lived threads may need + # to set NOSIGNAL manually in a prepare_curl_callback since + # there may not be any other threads running at the time we call + # threading.activeCount. + curl.setopt(pycurl.NOSIGNAL, 1) + if request.prepare_curl_callback is not None: + request.prepare_curl_callback(curl) + + def _curl_header_callback( + self, + headers: httputil.HTTPHeaders, + header_callback: Callable[[str], None], + header_line_bytes: bytes, + ) -> None: + header_line = native_str(header_line_bytes.decode("latin1")) + if header_callback is not None: + self.io_loop.add_callback(header_callback, header_line) + # header_line as returned by curl includes the end-of-line characters. + # whitespace at the start should be preserved to allow multi-line headers + header_line = header_line.rstrip() + if header_line.startswith("HTTP/"): + headers.clear() + try: + (__, __, reason) = httputil.parse_response_start_line(header_line) + header_line = "X-Http-Reason: %s" % reason + except httputil.HTTPInputError: + return + if not header_line: + return + headers.parse_line(header_line) + + def _curl_debug(self, debug_type: int, debug_msg: str) -> None: + debug_types = ("I", "<", ">", "<", ">") + if debug_type == 0: + debug_msg = native_str(debug_msg) + curl_log.debug("%s", debug_msg.strip()) + elif debug_type in (1, 2): + debug_msg = native_str(debug_msg) + for line in debug_msg.splitlines(): + curl_log.debug("%s %s", debug_types[debug_type], line) + elif debug_type == 4: + curl_log.debug("%s %r", debug_types[debug_type], debug_msg) + + +class CurlError(HTTPError): + def __init__(self, errno: int, message: str) -> None: + HTTPError.__init__(self, 599, message) + self.errno = errno + + +if __name__ == "__main__": + AsyncHTTPClient.configure(CurlAsyncHTTPClient) + main() diff --git a/venv/lib/python3.7/site-packages/tornado/escape.py b/venv/lib/python3.7/site-packages/tornado/escape.py new file mode 100644 index 0000000..b0ec332 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/escape.py @@ -0,0 +1,400 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Escaping/unescaping methods for HTML, JSON, URLs, and others. + +Also includes a few other miscellaneous string manipulation functions that +have crept in over time. +""" + +import html.entities +import json +import re +import urllib.parse + +from tornado.util import unicode_type + +import typing +from typing import Union, Any, Optional, Dict, List, Callable + + +_XHTML_ESCAPE_RE = re.compile("[&<>\"']") +_XHTML_ESCAPE_DICT = { + "&": "&", + "<": "<", + ">": ">", + '"': """, + "'": "'", +} + + +def xhtml_escape(value: Union[str, bytes]) -> str: + """Escapes a string so it is valid within HTML or XML. + + Escapes the characters ``<``, ``>``, ``"``, ``'``, and ``&``. + When used in attribute values the escaped strings must be enclosed + in quotes. + + .. versionchanged:: 3.2 + + Added the single quote to the list of escaped characters. + """ + return _XHTML_ESCAPE_RE.sub( + lambda match: _XHTML_ESCAPE_DICT[match.group(0)], to_basestring(value) + ) + + +def xhtml_unescape(value: Union[str, bytes]) -> str: + """Un-escapes an XML-escaped string.""" + return re.sub(r"&(#?)(\w+?);", _convert_entity, _unicode(value)) + + +# The fact that json_encode wraps json.dumps is an implementation detail. +# Please see https://github.com/tornadoweb/tornado/pull/706 +# before sending a pull request that adds **kwargs to this function. +def json_encode(value: Any) -> str: + """JSON-encodes the given Python object.""" + # JSON permits but does not require forward slashes to be escaped. + # This is useful when json data is emitted in a <script> tag + # in HTML, as it prevents </script> tags from prematurely terminating + # the javascript. Some json libraries do this escaping by default, + # although python's standard library does not, so we do it here. + # http://stackoverflow.com/questions/1580647/json-why-are-forward-slashes-escaped + return json.dumps(value).replace("</", "<\\/") + + +def json_decode(value: Union[str, bytes]) -> Any: + """Returns Python objects for the given JSON string. + + Supports both `str` and `bytes` inputs. + """ + return json.loads(to_basestring(value)) + + +def squeeze(value: str) -> str: + """Replace all sequences of whitespace chars with a single space.""" + return re.sub(r"[\x00-\x20]+", " ", value).strip() + + +def url_escape(value: Union[str, bytes], plus: bool = True) -> str: + """Returns a URL-encoded version of the given value. + + If ``plus`` is true (the default), spaces will be represented + as "+" instead of "%20". This is appropriate for query strings + but not for the path component of a URL. Note that this default + is the reverse of Python's urllib module. + + .. versionadded:: 3.1 + The ``plus`` argument + """ + quote = urllib.parse.quote_plus if plus else urllib.parse.quote + return quote(utf8(value)) + + +@typing.overload +def url_unescape(value: Union[str, bytes], encoding: None, plus: bool = True) -> bytes: + pass + + +@typing.overload # noqa: F811 +def url_unescape( + value: Union[str, bytes], encoding: str = "utf-8", plus: bool = True +) -> str: + pass + + +def url_unescape( # noqa: F811 + value: Union[str, bytes], encoding: Optional[str] = "utf-8", plus: bool = True +) -> Union[str, bytes]: + """Decodes the given value from a URL. + + The argument may be either a byte or unicode string. + + If encoding is None, the result will be a byte string. Otherwise, + the result is a unicode string in the specified encoding. + + If ``plus`` is true (the default), plus signs will be interpreted + as spaces (literal plus signs must be represented as "%2B"). This + is appropriate for query strings and form-encoded values but not + for the path component of a URL. Note that this default is the + reverse of Python's urllib module. + + .. versionadded:: 3.1 + The ``plus`` argument + """ + if encoding is None: + if plus: + # unquote_to_bytes doesn't have a _plus variant + value = to_basestring(value).replace("+", " ") + return urllib.parse.unquote_to_bytes(value) + else: + unquote = urllib.parse.unquote_plus if plus else urllib.parse.unquote + return unquote(to_basestring(value), encoding=encoding) + + +def parse_qs_bytes( + qs: str, keep_blank_values: bool = False, strict_parsing: bool = False +) -> Dict[str, List[bytes]]: + """Parses a query string like urlparse.parse_qs, but returns the + values as byte strings. + + Keys still become type str (interpreted as latin1 in python3!) + because it's too painful to keep them as byte strings in + python3 and in practice they're nearly always ascii anyway. + """ + # This is gross, but python3 doesn't give us another way. + # Latin1 is the universal donor of character encodings. + result = urllib.parse.parse_qs( + qs, keep_blank_values, strict_parsing, encoding="latin1", errors="strict" + ) + encoded = {} + for k, v in result.items(): + encoded[k] = [i.encode("latin1") for i in v] + return encoded + + +_UTF8_TYPES = (bytes, type(None)) + + +@typing.overload +def utf8(value: bytes) -> bytes: + pass + + +@typing.overload # noqa: F811 +def utf8(value: str) -> bytes: + pass + + +@typing.overload # noqa: F811 +def utf8(value: None) -> None: + pass + + +def utf8(value: Union[None, str, bytes]) -> Optional[bytes]: # noqa: F811 + """Converts a string argument to a byte string. + + If the argument is already a byte string or None, it is returned unchanged. + Otherwise it must be a unicode string and is encoded as utf8. + """ + if isinstance(value, _UTF8_TYPES): + return value + if not isinstance(value, unicode_type): + raise TypeError("Expected bytes, unicode, or None; got %r" % type(value)) + return value.encode("utf-8") + + +_TO_UNICODE_TYPES = (unicode_type, type(None)) + + +@typing.overload +def to_unicode(value: str) -> str: + pass + + +@typing.overload # noqa: F811 +def to_unicode(value: bytes) -> str: + pass + + +@typing.overload # noqa: F811 +def to_unicode(value: None) -> None: + pass + + +def to_unicode(value: Union[None, str, bytes]) -> Optional[str]: # noqa: F811 + """Converts a string argument to a unicode string. + + If the argument is already a unicode string or None, it is returned + unchanged. Otherwise it must be a byte string and is decoded as utf8. + """ + if isinstance(value, _TO_UNICODE_TYPES): + return value + if not isinstance(value, bytes): + raise TypeError("Expected bytes, unicode, or None; got %r" % type(value)) + return value.decode("utf-8") + + +# to_unicode was previously named _unicode not because it was private, +# but to avoid conflicts with the built-in unicode() function/type +_unicode = to_unicode + +# When dealing with the standard library across python 2 and 3 it is +# sometimes useful to have a direct conversion to the native string type +native_str = to_unicode +to_basestring = to_unicode + + +def recursive_unicode(obj: Any) -> Any: + """Walks a simple data structure, converting byte strings to unicode. + + Supports lists, tuples, and dictionaries. + """ + if isinstance(obj, dict): + return dict( + (recursive_unicode(k), recursive_unicode(v)) for (k, v) in obj.items() + ) + elif isinstance(obj, list): + return list(recursive_unicode(i) for i in obj) + elif isinstance(obj, tuple): + return tuple(recursive_unicode(i) for i in obj) + elif isinstance(obj, bytes): + return to_unicode(obj) + else: + return obj + + +# I originally used the regex from +# http://daringfireball.net/2010/07/improved_regex_for_matching_urls +# but it gets all exponential on certain patterns (such as too many trailing +# dots), causing the regex matcher to never return. +# This regex should avoid those problems. +# Use to_unicode instead of tornado.util.u - we don't want backslashes getting +# processed as escapes. +_URL_RE = re.compile( + to_unicode( + r"""\b((?:([\w-]+):(/{1,3})|www[.])(?:(?:(?:[^\s&()]|&|")*(?:[^!"#$%&'()*+,.:;<=>?@\[\]^`{|}~\s]))|(?:\((?:[^\s&()]|&|")*\)))+)""" # noqa: E501 + ) +) + + +def linkify( + text: Union[str, bytes], + shorten: bool = False, + extra_params: Union[str, Callable[[str], str]] = "", + require_protocol: bool = False, + permitted_protocols: List[str] = ["http", "https"], +) -> str: + """Converts plain text into HTML with links. + + For example: ``linkify("Hello http://tornadoweb.org!")`` would return + ``Hello <a href="http://tornadoweb.org">http://tornadoweb.org</a>!`` + + Parameters: + + * ``shorten``: Long urls will be shortened for display. + + * ``extra_params``: Extra text to include in the link tag, or a callable + taking the link as an argument and returning the extra text + e.g. ``linkify(text, extra_params='rel="nofollow" class="external"')``, + or:: + + def extra_params_cb(url): + if url.startswith("http://example.com"): + return 'class="internal"' + else: + return 'class="external" rel="nofollow"' + linkify(text, extra_params=extra_params_cb) + + * ``require_protocol``: Only linkify urls which include a protocol. If + this is False, urls such as www.facebook.com will also be linkified. + + * ``permitted_protocols``: List (or set) of protocols which should be + linkified, e.g. ``linkify(text, permitted_protocols=["http", "ftp", + "mailto"])``. It is very unsafe to include protocols such as + ``javascript``. + """ + if extra_params and not callable(extra_params): + extra_params = " " + extra_params.strip() + + def make_link(m: typing.Match) -> str: + url = m.group(1) + proto = m.group(2) + if require_protocol and not proto: + return url # not protocol, no linkify + + if proto and proto not in permitted_protocols: + return url # bad protocol, no linkify + + href = m.group(1) + if not proto: + href = "http://" + href # no proto specified, use http + + if callable(extra_params): + params = " " + extra_params(href).strip() + else: + params = extra_params + + # clip long urls. max_len is just an approximation + max_len = 30 + if shorten and len(url) > max_len: + before_clip = url + if proto: + proto_len = len(proto) + 1 + len(m.group(3) or "") # +1 for : + else: + proto_len = 0 + + parts = url[proto_len:].split("/") + if len(parts) > 1: + # Grab the whole host part plus the first bit of the path + # The path is usually not that interesting once shortened + # (no more slug, etc), so it really just provides a little + # extra indication of shortening. + url = ( + url[:proto_len] + + parts[0] + + "/" + + parts[1][:8].split("?")[0].split(".")[0] + ) + + if len(url) > max_len * 1.5: # still too long + url = url[:max_len] + + if url != before_clip: + amp = url.rfind("&") + # avoid splitting html char entities + if amp > max_len - 5: + url = url[:amp] + url += "..." + + if len(url) >= len(before_clip): + url = before_clip + else: + # full url is visible on mouse-over (for those who don't + # have a status bar, such as Safari by default) + params += ' title="%s"' % href + + return u'<a href="%s"%s>%s</a>' % (href, params, url) + + # First HTML-escape so that our strings are all safe. + # The regex is modified to avoid character entites other than & so + # that we won't pick up ", etc. + text = _unicode(xhtml_escape(text)) + return _URL_RE.sub(make_link, text) + + +def _convert_entity(m: typing.Match) -> str: + if m.group(1) == "#": + try: + if m.group(2)[:1].lower() == "x": + return chr(int(m.group(2)[1:], 16)) + else: + return chr(int(m.group(2))) + except ValueError: + return "&#%s;" % m.group(2) + try: + return _HTML_UNICODE_MAP[m.group(2)] + except KeyError: + return "&%s;" % m.group(2) + + +def _build_unicode_map() -> Dict[str, str]: + unicode_map = {} + for name, value in html.entities.name2codepoint.items(): + unicode_map[name] = chr(value) + return unicode_map + + +_HTML_UNICODE_MAP = _build_unicode_map() diff --git a/venv/lib/python3.7/site-packages/tornado/gen.py b/venv/lib/python3.7/site-packages/tornado/gen.py new file mode 100644 index 0000000..7cc7ec7 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/gen.py @@ -0,0 +1,845 @@ +"""``tornado.gen`` implements generator-based coroutines. + +.. note:: + + The "decorator and generator" approach in this module is a + precursor to native coroutines (using ``async def`` and ``await``) + which were introduced in Python 3.5. Applications that do not + require compatibility with older versions of Python should use + native coroutines instead. Some parts of this module are still + useful with native coroutines, notably `multi`, `sleep`, + `WaitIterator`, and `with_timeout`. Some of these functions have + counterparts in the `asyncio` module which may be used as well, + although the two may not necessarily be 100% compatible. + +Coroutines provide an easier way to work in an asynchronous +environment than chaining callbacks. Code using coroutines is +technically asynchronous, but it is written as a single generator +instead of a collection of separate functions. + +For example, here's a coroutine-based handler: + +.. testcode:: + + class GenAsyncHandler(RequestHandler): + @gen.coroutine + def get(self): + http_client = AsyncHTTPClient() + response = yield http_client.fetch("http://example.com") + do_something_with_response(response) + self.render("template.html") + +.. testoutput:: + :hide: + +Asynchronous functions in Tornado return an ``Awaitable`` or `.Future`; +yielding this object returns its result. + +You can also yield a list or dict of other yieldable objects, which +will be started at the same time and run in parallel; a list or dict +of results will be returned when they are all finished: + +.. testcode:: + + @gen.coroutine + def get(self): + http_client = AsyncHTTPClient() + response1, response2 = yield [http_client.fetch(url1), + http_client.fetch(url2)] + response_dict = yield dict(response3=http_client.fetch(url3), + response4=http_client.fetch(url4)) + response3 = response_dict['response3'] + response4 = response_dict['response4'] + +.. testoutput:: + :hide: + +If ``tornado.platform.twisted`` is imported, it is also possible to +yield Twisted's ``Deferred`` objects. See the `convert_yielded` +function to extend this mechanism. + +.. versionchanged:: 3.2 + Dict support added. + +.. versionchanged:: 4.1 + Support added for yielding ``asyncio`` Futures and Twisted Deferreds + via ``singledispatch``. + +""" +import asyncio +import builtins +import collections +from collections.abc import Generator +import concurrent.futures +import datetime +import functools +from functools import singledispatch +from inspect import isawaitable +import sys +import types + +from tornado.concurrent import ( + Future, + is_future, + chain_future, + future_set_exc_info, + future_add_done_callback, + future_set_result_unless_cancelled, +) +from tornado.ioloop import IOLoop +from tornado.log import app_log +from tornado.util import TimeoutError + +import typing +from typing import Union, Any, Callable, List, Type, Tuple, Awaitable, Dict + +if typing.TYPE_CHECKING: + from typing import Sequence, Deque, Optional, Set, Iterable # noqa: F401 + +_T = typing.TypeVar("_T") + +_Yieldable = Union[ + None, Awaitable, List[Awaitable], Dict[Any, Awaitable], concurrent.futures.Future +] + + +class KeyReuseError(Exception): + pass + + +class UnknownKeyError(Exception): + pass + + +class LeakedCallbackError(Exception): + pass + + +class BadYieldError(Exception): + pass + + +class ReturnValueIgnoredError(Exception): + pass + + +def _value_from_stopiteration(e: Union[StopIteration, "Return"]) -> Any: + try: + # StopIteration has a value attribute beginning in py33. + # So does our Return class. + return e.value + except AttributeError: + pass + try: + # Cython backports coroutine functionality by putting the value in + # e.args[0]. + return e.args[0] + except (AttributeError, IndexError): + return None + + +def _create_future() -> Future: + future = Future() # type: Future + # Fixup asyncio debug info by removing extraneous stack entries + source_traceback = getattr(future, "_source_traceback", ()) + while source_traceback: + # Each traceback entry is equivalent to a + # (filename, self.lineno, self.name, self.line) tuple + filename = source_traceback[-1][0] + if filename == __file__: + del source_traceback[-1] + else: + break + return future + + +def coroutine( + func: Callable[..., "Generator[Any, Any, _T]"] +) -> Callable[..., "Future[_T]"]: + """Decorator for asynchronous generators. + + For compatibility with older versions of Python, coroutines may + also "return" by raising the special exception `Return(value) + <Return>`. + + Functions with this decorator return a `.Future`. + + .. warning:: + + When exceptions occur inside a coroutine, the exception + information will be stored in the `.Future` object. You must + examine the result of the `.Future` object, or the exception + may go unnoticed by your code. This means yielding the function + if called from another coroutine, using something like + `.IOLoop.run_sync` for top-level calls, or passing the `.Future` + to `.IOLoop.add_future`. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + awaitable object instead. + + """ + + @functools.wraps(func) + def wrapper(*args, **kwargs): + # type: (*Any, **Any) -> Future[_T] + # This function is type-annotated with a comment to work around + # https://bitbucket.org/pypy/pypy/issues/2868/segfault-with-args-type-annotation-in + future = _create_future() + try: + result = func(*args, **kwargs) + except (Return, StopIteration) as e: + result = _value_from_stopiteration(e) + except Exception: + future_set_exc_info(future, sys.exc_info()) + try: + return future + finally: + # Avoid circular references + future = None # type: ignore + else: + if isinstance(result, Generator): + # Inline the first iteration of Runner.run. This lets us + # avoid the cost of creating a Runner when the coroutine + # never actually yields, which in turn allows us to + # use "optional" coroutines in critical path code without + # performance penalty for the synchronous case. + try: + yielded = next(result) + except (StopIteration, Return) as e: + future_set_result_unless_cancelled( + future, _value_from_stopiteration(e) + ) + except Exception: + future_set_exc_info(future, sys.exc_info()) + else: + # Provide strong references to Runner objects as long + # as their result future objects also have strong + # references (typically from the parent coroutine's + # Runner). This keeps the coroutine's Runner alive. + # We do this by exploiting the public API + # add_done_callback() instead of putting a private + # attribute on the Future. + # (Github issues #1769, #2229). + runner = Runner(result, future, yielded) + future.add_done_callback(lambda _: runner) + yielded = None + try: + return future + finally: + # Subtle memory optimization: if next() raised an exception, + # the future's exc_info contains a traceback which + # includes this stack frame. This creates a cycle, + # which will be collected at the next full GC but has + # been shown to greatly increase memory usage of + # benchmarks (relative to the refcount-based scheme + # used in the absence of cycles). We can avoid the + # cycle by clearing the local variable after we return it. + future = None # type: ignore + future_set_result_unless_cancelled(future, result) + return future + + wrapper.__wrapped__ = func # type: ignore + wrapper.__tornado_coroutine__ = True # type: ignore + return wrapper + + +def is_coroutine_function(func: Any) -> bool: + """Return whether *func* is a coroutine function, i.e. a function + wrapped with `~.gen.coroutine`. + + .. versionadded:: 4.5 + """ + return getattr(func, "__tornado_coroutine__", False) + + +class Return(Exception): + """Special exception to return a value from a `coroutine`. + + If this exception is raised, its value argument is used as the + result of the coroutine:: + + @gen.coroutine + def fetch_json(url): + response = yield AsyncHTTPClient().fetch(url) + raise gen.Return(json_decode(response.body)) + + In Python 3.3, this exception is no longer necessary: the ``return`` + statement can be used directly to return a value (previously + ``yield`` and ``return`` with a value could not be combined in the + same function). + + By analogy with the return statement, the value argument is optional, + but it is never necessary to ``raise gen.Return()``. The ``return`` + statement can be used with no arguments instead. + """ + + def __init__(self, value: Any = None) -> None: + super(Return, self).__init__() + self.value = value + # Cython recognizes subclasses of StopIteration with a .args tuple. + self.args = (value,) + + +class WaitIterator(object): + """Provides an iterator to yield the results of awaitables as they finish. + + Yielding a set of awaitables like this: + + ``results = yield [awaitable1, awaitable2]`` + + pauses the coroutine until both ``awaitable1`` and ``awaitable2`` + return, and then restarts the coroutine with the results of both + awaitables. If either awaitable raises an exception, the + expression will raise that exception and all the results will be + lost. + + If you need to get the result of each awaitable as soon as possible, + or if you need the result of some awaitables even if others produce + errors, you can use ``WaitIterator``:: + + wait_iterator = gen.WaitIterator(awaitable1, awaitable2) + while not wait_iterator.done(): + try: + result = yield wait_iterator.next() + except Exception as e: + print("Error {} from {}".format(e, wait_iterator.current_future)) + else: + print("Result {} received from {} at {}".format( + result, wait_iterator.current_future, + wait_iterator.current_index)) + + Because results are returned as soon as they are available the + output from the iterator *will not be in the same order as the + input arguments*. If you need to know which future produced the + current result, you can use the attributes + ``WaitIterator.current_future``, or ``WaitIterator.current_index`` + to get the index of the awaitable from the input list. (if keyword + arguments were used in the construction of the `WaitIterator`, + ``current_index`` will use the corresponding keyword). + + On Python 3.5, `WaitIterator` implements the async iterator + protocol, so it can be used with the ``async for`` statement (note + that in this version the entire iteration is aborted if any value + raises an exception, while the previous example can continue past + individual errors):: + + async for result in gen.WaitIterator(future1, future2): + print("Result {} received from {} at {}".format( + result, wait_iterator.current_future, + wait_iterator.current_index)) + + .. versionadded:: 4.1 + + .. versionchanged:: 4.3 + Added ``async for`` support in Python 3.5. + + """ + + _unfinished = {} # type: Dict[Future, Union[int, str]] + + def __init__(self, *args: Future, **kwargs: Future) -> None: + if args and kwargs: + raise ValueError("You must provide args or kwargs, not both") + + if kwargs: + self._unfinished = dict((f, k) for (k, f) in kwargs.items()) + futures = list(kwargs.values()) # type: Sequence[Future] + else: + self._unfinished = dict((f, i) for (i, f) in enumerate(args)) + futures = args + + self._finished = collections.deque() # type: Deque[Future] + self.current_index = None # type: Optional[Union[str, int]] + self.current_future = None # type: Optional[Future] + self._running_future = None # type: Optional[Future] + + for future in futures: + future_add_done_callback(future, self._done_callback) + + def done(self) -> bool: + """Returns True if this iterator has no more results.""" + if self._finished or self._unfinished: + return False + # Clear the 'current' values when iteration is done. + self.current_index = self.current_future = None + return True + + def next(self) -> Future: + """Returns a `.Future` that will yield the next available result. + + Note that this `.Future` will not be the same object as any of + the inputs. + """ + self._running_future = Future() + + if self._finished: + self._return_result(self._finished.popleft()) + + return self._running_future + + def _done_callback(self, done: Future) -> None: + if self._running_future and not self._running_future.done(): + self._return_result(done) + else: + self._finished.append(done) + + def _return_result(self, done: Future) -> None: + """Called set the returned future's state that of the future + we yielded, and set the current future for the iterator. + """ + if self._running_future is None: + raise Exception("no future is running") + chain_future(done, self._running_future) + + self.current_future = done + self.current_index = self._unfinished.pop(done) + + def __aiter__(self) -> typing.AsyncIterator: + return self + + def __anext__(self) -> Future: + if self.done(): + # Lookup by name to silence pyflakes on older versions. + raise getattr(builtins, "StopAsyncIteration")() + return self.next() + + +def multi( + children: Union[List[_Yieldable], Dict[Any, _Yieldable]], + quiet_exceptions: "Union[Type[Exception], Tuple[Type[Exception], ...]]" = (), +) -> "Union[Future[List], Future[Dict]]": + """Runs multiple asynchronous operations in parallel. + + ``children`` may either be a list or a dict whose values are + yieldable objects. ``multi()`` returns a new yieldable + object that resolves to a parallel structure containing their + results. If ``children`` is a list, the result is a list of + results in the same order; if it is a dict, the result is a dict + with the same keys. + + That is, ``results = yield multi(list_of_futures)`` is equivalent + to:: + + results = [] + for future in list_of_futures: + results.append(yield future) + + If any children raise exceptions, ``multi()`` will raise the first + one. All others will be logged, unless they are of types + contained in the ``quiet_exceptions`` argument. + + In a ``yield``-based coroutine, it is not normally necessary to + call this function directly, since the coroutine runner will + do it automatically when a list or dict is yielded. However, + it is necessary in ``await``-based coroutines, or to pass + the ``quiet_exceptions`` argument. + + This function is available under the names ``multi()`` and ``Multi()`` + for historical reasons. + + Cancelling a `.Future` returned by ``multi()`` does not cancel its + children. `asyncio.gather` is similar to ``multi()``, but it does + cancel its children. + + .. versionchanged:: 4.2 + If multiple yieldables fail, any exceptions after the first + (which is raised) will be logged. Added the ``quiet_exceptions`` + argument to suppress this logging for selected exception types. + + .. versionchanged:: 4.3 + Replaced the class ``Multi`` and the function ``multi_future`` + with a unified function ``multi``. Added support for yieldables + other than ``YieldPoint`` and `.Future`. + + """ + return multi_future(children, quiet_exceptions=quiet_exceptions) + + +Multi = multi + + +def multi_future( + children: Union[List[_Yieldable], Dict[Any, _Yieldable]], + quiet_exceptions: "Union[Type[Exception], Tuple[Type[Exception], ...]]" = (), +) -> "Union[Future[List], Future[Dict]]": + """Wait for multiple asynchronous futures in parallel. + + Since Tornado 6.0, this function is exactly the same as `multi`. + + .. versionadded:: 4.0 + + .. versionchanged:: 4.2 + If multiple ``Futures`` fail, any exceptions after the first (which is + raised) will be logged. Added the ``quiet_exceptions`` + argument to suppress this logging for selected exception types. + + .. deprecated:: 4.3 + Use `multi` instead. + """ + if isinstance(children, dict): + keys = list(children.keys()) # type: Optional[List] + children_seq = children.values() # type: Iterable + else: + keys = None + children_seq = children + children_futs = list(map(convert_yielded, children_seq)) + assert all(is_future(i) or isinstance(i, _NullFuture) for i in children_futs) + unfinished_children = set(children_futs) + + future = _create_future() + if not children_futs: + future_set_result_unless_cancelled(future, {} if keys is not None else []) + + def callback(fut: Future) -> None: + unfinished_children.remove(fut) + if not unfinished_children: + result_list = [] + for f in children_futs: + try: + result_list.append(f.result()) + except Exception as e: + if future.done(): + if not isinstance(e, quiet_exceptions): + app_log.error( + "Multiple exceptions in yield list", exc_info=True + ) + else: + future_set_exc_info(future, sys.exc_info()) + if not future.done(): + if keys is not None: + future_set_result_unless_cancelled( + future, dict(zip(keys, result_list)) + ) + else: + future_set_result_unless_cancelled(future, result_list) + + listening = set() # type: Set[Future] + for f in children_futs: + if f not in listening: + listening.add(f) + future_add_done_callback(f, callback) + return future + + +def maybe_future(x: Any) -> Future: + """Converts ``x`` into a `.Future`. + + If ``x`` is already a `.Future`, it is simply returned; otherwise + it is wrapped in a new `.Future`. This is suitable for use as + ``result = yield gen.maybe_future(f())`` when you don't know whether + ``f()`` returns a `.Future` or not. + + .. deprecated:: 4.3 + This function only handles ``Futures``, not other yieldable objects. + Instead of `maybe_future`, check for the non-future result types + you expect (often just ``None``), and ``yield`` anything unknown. + """ + if is_future(x): + return x + else: + fut = _create_future() + fut.set_result(x) + return fut + + +def with_timeout( + timeout: Union[float, datetime.timedelta], + future: _Yieldable, + quiet_exceptions: "Union[Type[Exception], Tuple[Type[Exception], ...]]" = (), +) -> Future: + """Wraps a `.Future` (or other yieldable object) in a timeout. + + Raises `tornado.util.TimeoutError` if the input future does not + complete before ``timeout``, which may be specified in any form + allowed by `.IOLoop.add_timeout` (i.e. a `datetime.timedelta` or + an absolute time relative to `.IOLoop.time`) + + If the wrapped `.Future` fails after it has timed out, the exception + will be logged unless it is either of a type contained in + ``quiet_exceptions`` (which may be an exception type or a sequence of + types), or an ``asyncio.CancelledError``. + + The wrapped `.Future` is not canceled when the timeout expires, + permitting it to be reused. `asyncio.wait_for` is similar to this + function but it does cancel the wrapped `.Future` on timeout. + + .. versionadded:: 4.0 + + .. versionchanged:: 4.1 + Added the ``quiet_exceptions`` argument and the logging of unhandled + exceptions. + + .. versionchanged:: 4.4 + Added support for yieldable objects other than `.Future`. + + .. versionchanged:: 6.0.3 + ``asyncio.CancelledError`` is now always considered "quiet". + + """ + # It's tempting to optimize this by cancelling the input future on timeout + # instead of creating a new one, but A) we can't know if we are the only + # one waiting on the input future, so cancelling it might disrupt other + # callers and B) concurrent futures can only be cancelled while they are + # in the queue, so cancellation cannot reliably bound our waiting time. + future_converted = convert_yielded(future) + result = _create_future() + chain_future(future_converted, result) + io_loop = IOLoop.current() + + def error_callback(future: Future) -> None: + try: + future.result() + except asyncio.CancelledError: + pass + except Exception as e: + if not isinstance(e, quiet_exceptions): + app_log.error( + "Exception in Future %r after timeout", future, exc_info=True + ) + + def timeout_callback() -> None: + if not result.done(): + result.set_exception(TimeoutError("Timeout")) + # In case the wrapped future goes on to fail, log it. + future_add_done_callback(future_converted, error_callback) + + timeout_handle = io_loop.add_timeout(timeout, timeout_callback) + if isinstance(future_converted, Future): + # We know this future will resolve on the IOLoop, so we don't + # need the extra thread-safety of IOLoop.add_future (and we also + # don't care about StackContext here. + future_add_done_callback( + future_converted, lambda future: io_loop.remove_timeout(timeout_handle) + ) + else: + # concurrent.futures.Futures may resolve on any thread, so we + # need to route them back to the IOLoop. + io_loop.add_future( + future_converted, lambda future: io_loop.remove_timeout(timeout_handle) + ) + return result + + +def sleep(duration: float) -> "Future[None]": + """Return a `.Future` that resolves after the given number of seconds. + + When used with ``yield`` in a coroutine, this is a non-blocking + analogue to `time.sleep` (which should not be used in coroutines + because it is blocking):: + + yield gen.sleep(0.5) + + Note that calling this function on its own does nothing; you must + wait on the `.Future` it returns (usually by yielding it). + + .. versionadded:: 4.1 + """ + f = _create_future() + IOLoop.current().call_later( + duration, lambda: future_set_result_unless_cancelled(f, None) + ) + return f + + +class _NullFuture(object): + """_NullFuture resembles a Future that finished with a result of None. + + It's not actually a `Future` to avoid depending on a particular event loop. + Handled as a special case in the coroutine runner. + + We lie and tell the type checker that a _NullFuture is a Future so + we don't have to leak _NullFuture into lots of public APIs. But + this means that the type checker can't warn us when we're passing + a _NullFuture into a code path that doesn't understand what to do + with it. + """ + + def result(self) -> None: + return None + + def done(self) -> bool: + return True + + +# _null_future is used as a dummy value in the coroutine runner. It differs +# from moment in that moment always adds a delay of one IOLoop iteration +# while _null_future is processed as soon as possible. +_null_future = typing.cast(Future, _NullFuture()) + +moment = typing.cast(Future, _NullFuture()) +moment.__doc__ = """A special object which may be yielded to allow the IOLoop to run for +one iteration. + +This is not needed in normal use but it can be helpful in long-running +coroutines that are likely to yield Futures that are ready instantly. + +Usage: ``yield gen.moment`` + +In native coroutines, the equivalent of ``yield gen.moment`` is +``await asyncio.sleep(0)``. + +.. versionadded:: 4.0 + +.. deprecated:: 4.5 + ``yield None`` (or ``yield`` with no argument) is now equivalent to + ``yield gen.moment``. +""" + + +class Runner(object): + """Internal implementation of `tornado.gen.coroutine`. + + Maintains information about pending callbacks and their results. + + The results of the generator are stored in ``result_future`` (a + `.Future`) + """ + + def __init__( + self, + gen: "Generator[_Yieldable, Any, _T]", + result_future: "Future[_T]", + first_yielded: _Yieldable, + ) -> None: + self.gen = gen + self.result_future = result_future + self.future = _null_future # type: Union[None, Future] + self.running = False + self.finished = False + self.io_loop = IOLoop.current() + if self.handle_yield(first_yielded): + gen = result_future = first_yielded = None # type: ignore + self.run() + + def run(self) -> None: + """Starts or resumes the generator, running until it reaches a + yield point that is not ready. + """ + if self.running or self.finished: + return + try: + self.running = True + while True: + future = self.future + if future is None: + raise Exception("No pending future") + if not future.done(): + return + self.future = None + try: + exc_info = None + + try: + value = future.result() + except Exception: + exc_info = sys.exc_info() + future = None + + if exc_info is not None: + try: + yielded = self.gen.throw(*exc_info) # type: ignore + finally: + # Break up a reference to itself + # for faster GC on CPython. + exc_info = None + else: + yielded = self.gen.send(value) + + except (StopIteration, Return) as e: + self.finished = True + self.future = _null_future + future_set_result_unless_cancelled( + self.result_future, _value_from_stopiteration(e) + ) + self.result_future = None # type: ignore + return + except Exception: + self.finished = True + self.future = _null_future + future_set_exc_info(self.result_future, sys.exc_info()) + self.result_future = None # type: ignore + return + if not self.handle_yield(yielded): + return + yielded = None + finally: + self.running = False + + def handle_yield(self, yielded: _Yieldable) -> bool: + try: + self.future = convert_yielded(yielded) + except BadYieldError: + self.future = Future() + future_set_exc_info(self.future, sys.exc_info()) + + if self.future is moment: + self.io_loop.add_callback(self.run) + return False + elif self.future is None: + raise Exception("no pending future") + elif not self.future.done(): + + def inner(f: Any) -> None: + # Break a reference cycle to speed GC. + f = None # noqa: F841 + self.run() + + self.io_loop.add_future(self.future, inner) + return False + return True + + def handle_exception( + self, typ: Type[Exception], value: Exception, tb: types.TracebackType + ) -> bool: + if not self.running and not self.finished: + self.future = Future() + future_set_exc_info(self.future, (typ, value, tb)) + self.run() + return True + else: + return False + + +# Convert Awaitables into Futures. +try: + _wrap_awaitable = asyncio.ensure_future +except AttributeError: + # asyncio.ensure_future was introduced in Python 3.4.4, but + # Debian jessie still ships with 3.4.2 so try the old name. + _wrap_awaitable = getattr(asyncio, "async") + + +def convert_yielded(yielded: _Yieldable) -> Future: + """Convert a yielded object into a `.Future`. + + The default implementation accepts lists, dictionaries, and + Futures. This has the side effect of starting any coroutines that + did not start themselves, similar to `asyncio.ensure_future`. + + If the `~functools.singledispatch` library is available, this function + may be extended to support additional types. For example:: + + @convert_yielded.register(asyncio.Future) + def _(asyncio_future): + return tornado.platform.asyncio.to_tornado_future(asyncio_future) + + .. versionadded:: 4.1 + + """ + if yielded is None or yielded is moment: + return moment + elif yielded is _null_future: + return _null_future + elif isinstance(yielded, (list, dict)): + return multi(yielded) # type: ignore + elif is_future(yielded): + return typing.cast(Future, yielded) + elif isawaitable(yielded): + return _wrap_awaitable(yielded) # type: ignore + else: + raise BadYieldError("yielded unknown object %r" % (yielded,)) + + +convert_yielded = singledispatch(convert_yielded) diff --git a/venv/lib/python3.7/site-packages/tornado/http1connection.py b/venv/lib/python3.7/site-packages/tornado/http1connection.py new file mode 100644 index 0000000..434f16a --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/http1connection.py @@ -0,0 +1,836 @@ +# +# Copyright 2014 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Client and server implementations of HTTP/1.x. + +.. versionadded:: 4.0 +""" + +import asyncio +import logging +import re +import types + +from tornado.concurrent import ( + Future, + future_add_done_callback, + future_set_result_unless_cancelled, +) +from tornado.escape import native_str, utf8 +from tornado import gen +from tornado import httputil +from tornado import iostream +from tornado.log import gen_log, app_log +from tornado.util import GzipDecompressor + + +from typing import cast, Optional, Type, Awaitable, Callable, Union, Tuple + + +class _QuietException(Exception): + def __init__(self) -> None: + pass + + +class _ExceptionLoggingContext(object): + """Used with the ``with`` statement when calling delegate methods to + log any exceptions with the given logger. Any exceptions caught are + converted to _QuietException + """ + + def __init__(self, logger: logging.Logger) -> None: + self.logger = logger + + def __enter__(self) -> None: + pass + + def __exit__( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + tb: types.TracebackType, + ) -> None: + if value is not None: + assert typ is not None + self.logger.error("Uncaught exception", exc_info=(typ, value, tb)) + raise _QuietException + + +class HTTP1ConnectionParameters(object): + """Parameters for `.HTTP1Connection` and `.HTTP1ServerConnection`. + """ + + def __init__( + self, + no_keep_alive: bool = False, + chunk_size: int = None, + max_header_size: int = None, + header_timeout: float = None, + max_body_size: int = None, + body_timeout: float = None, + decompress: bool = False, + ) -> None: + """ + :arg bool no_keep_alive: If true, always close the connection after + one request. + :arg int chunk_size: how much data to read into memory at once + :arg int max_header_size: maximum amount of data for HTTP headers + :arg float header_timeout: how long to wait for all headers (seconds) + :arg int max_body_size: maximum amount of data for body + :arg float body_timeout: how long to wait while reading body (seconds) + :arg bool decompress: if true, decode incoming + ``Content-Encoding: gzip`` + """ + self.no_keep_alive = no_keep_alive + self.chunk_size = chunk_size or 65536 + self.max_header_size = max_header_size or 65536 + self.header_timeout = header_timeout + self.max_body_size = max_body_size + self.body_timeout = body_timeout + self.decompress = decompress + + +class HTTP1Connection(httputil.HTTPConnection): + """Implements the HTTP/1.x protocol. + + This class can be on its own for clients, or via `HTTP1ServerConnection` + for servers. + """ + + def __init__( + self, + stream: iostream.IOStream, + is_client: bool, + params: HTTP1ConnectionParameters = None, + context: object = None, + ) -> None: + """ + :arg stream: an `.IOStream` + :arg bool is_client: client or server + :arg params: a `.HTTP1ConnectionParameters` instance or ``None`` + :arg context: an opaque application-defined object that can be accessed + as ``connection.context``. + """ + self.is_client = is_client + self.stream = stream + if params is None: + params = HTTP1ConnectionParameters() + self.params = params + self.context = context + self.no_keep_alive = params.no_keep_alive + # The body limits can be altered by the delegate, so save them + # here instead of just referencing self.params later. + self._max_body_size = self.params.max_body_size or self.stream.max_buffer_size + self._body_timeout = self.params.body_timeout + # _write_finished is set to True when finish() has been called, + # i.e. there will be no more data sent. Data may still be in the + # stream's write buffer. + self._write_finished = False + # True when we have read the entire incoming body. + self._read_finished = False + # _finish_future resolves when all data has been written and flushed + # to the IOStream. + self._finish_future = Future() # type: Future[None] + # If true, the connection should be closed after this request + # (after the response has been written in the server side, + # and after it has been read in the client) + self._disconnect_on_finish = False + self._clear_callbacks() + # Save the start lines after we read or write them; they + # affect later processing (e.g. 304 responses and HEAD methods + # have content-length but no bodies) + self._request_start_line = None # type: Optional[httputil.RequestStartLine] + self._response_start_line = None # type: Optional[httputil.ResponseStartLine] + self._request_headers = None # type: Optional[httputil.HTTPHeaders] + # True if we are writing output with chunked encoding. + self._chunking_output = False + # While reading a body with a content-length, this is the + # amount left to read. + self._expected_content_remaining = None # type: Optional[int] + # A Future for our outgoing writes, returned by IOStream.write. + self._pending_write = None # type: Optional[Future[None]] + + def read_response(self, delegate: httputil.HTTPMessageDelegate) -> Awaitable[bool]: + """Read a single HTTP response. + + Typical client-mode usage is to write a request using `write_headers`, + `write`, and `finish`, and then call ``read_response``. + + :arg delegate: a `.HTTPMessageDelegate` + + Returns a `.Future` that resolves to a bool after the full response has + been read. The result is true if the stream is still open. + """ + if self.params.decompress: + delegate = _GzipMessageDelegate(delegate, self.params.chunk_size) + return self._read_message(delegate) + + async def _read_message(self, delegate: httputil.HTTPMessageDelegate) -> bool: + need_delegate_close = False + try: + header_future = self.stream.read_until_regex( + b"\r?\n\r?\n", max_bytes=self.params.max_header_size + ) + if self.params.header_timeout is None: + header_data = await header_future + else: + try: + header_data = await gen.with_timeout( + self.stream.io_loop.time() + self.params.header_timeout, + header_future, + quiet_exceptions=iostream.StreamClosedError, + ) + except gen.TimeoutError: + self.close() + return False + start_line_str, headers = self._parse_headers(header_data) + if self.is_client: + resp_start_line = httputil.parse_response_start_line(start_line_str) + self._response_start_line = resp_start_line + start_line = ( + resp_start_line + ) # type: Union[httputil.RequestStartLine, httputil.ResponseStartLine] + # TODO: this will need to change to support client-side keepalive + self._disconnect_on_finish = False + else: + req_start_line = httputil.parse_request_start_line(start_line_str) + self._request_start_line = req_start_line + self._request_headers = headers + start_line = req_start_line + self._disconnect_on_finish = not self._can_keep_alive( + req_start_line, headers + ) + need_delegate_close = True + with _ExceptionLoggingContext(app_log): + header_recv_future = delegate.headers_received(start_line, headers) + if header_recv_future is not None: + await header_recv_future + if self.stream is None: + # We've been detached. + need_delegate_close = False + return False + skip_body = False + if self.is_client: + assert isinstance(start_line, httputil.ResponseStartLine) + if ( + self._request_start_line is not None + and self._request_start_line.method == "HEAD" + ): + skip_body = True + code = start_line.code + if code == 304: + # 304 responses may include the content-length header + # but do not actually have a body. + # http://tools.ietf.org/html/rfc7230#section-3.3 + skip_body = True + if code >= 100 and code < 200: + # 1xx responses should never indicate the presence of + # a body. + if "Content-Length" in headers or "Transfer-Encoding" in headers: + raise httputil.HTTPInputError( + "Response code %d cannot have body" % code + ) + # TODO: client delegates will get headers_received twice + # in the case of a 100-continue. Document or change? + await self._read_message(delegate) + else: + if headers.get("Expect") == "100-continue" and not self._write_finished: + self.stream.write(b"HTTP/1.1 100 (Continue)\r\n\r\n") + if not skip_body: + body_future = self._read_body( + resp_start_line.code if self.is_client else 0, headers, delegate + ) + if body_future is not None: + if self._body_timeout is None: + await body_future + else: + try: + await gen.with_timeout( + self.stream.io_loop.time() + self._body_timeout, + body_future, + quiet_exceptions=iostream.StreamClosedError, + ) + except gen.TimeoutError: + gen_log.info("Timeout reading body from %s", self.context) + self.stream.close() + return False + self._read_finished = True + if not self._write_finished or self.is_client: + need_delegate_close = False + with _ExceptionLoggingContext(app_log): + delegate.finish() + # If we're waiting for the application to produce an asynchronous + # response, and we're not detached, register a close callback + # on the stream (we didn't need one while we were reading) + if ( + not self._finish_future.done() + and self.stream is not None + and not self.stream.closed() + ): + self.stream.set_close_callback(self._on_connection_close) + await self._finish_future + if self.is_client and self._disconnect_on_finish: + self.close() + if self.stream is None: + return False + except httputil.HTTPInputError as e: + gen_log.info("Malformed HTTP message from %s: %s", self.context, e) + if not self.is_client: + await self.stream.write(b"HTTP/1.1 400 Bad Request\r\n\r\n") + self.close() + return False + finally: + if need_delegate_close: + with _ExceptionLoggingContext(app_log): + delegate.on_connection_close() + header_future = None # type: ignore + self._clear_callbacks() + return True + + def _clear_callbacks(self) -> None: + """Clears the callback attributes. + + This allows the request handler to be garbage collected more + quickly in CPython by breaking up reference cycles. + """ + self._write_callback = None + self._write_future = None # type: Optional[Future[None]] + self._close_callback = None # type: Optional[Callable[[], None]] + if self.stream is not None: + self.stream.set_close_callback(None) + + def set_close_callback(self, callback: Optional[Callable[[], None]]) -> None: + """Sets a callback that will be run when the connection is closed. + + Note that this callback is slightly different from + `.HTTPMessageDelegate.on_connection_close`: The + `.HTTPMessageDelegate` method is called when the connection is + closed while recieving a message. This callback is used when + there is not an active delegate (for example, on the server + side this callback is used if the client closes the connection + after sending its request but before receiving all the + response. + """ + self._close_callback = callback + + def _on_connection_close(self) -> None: + # Note that this callback is only registered on the IOStream + # when we have finished reading the request and are waiting for + # the application to produce its response. + if self._close_callback is not None: + callback = self._close_callback + self._close_callback = None + callback() + if not self._finish_future.done(): + future_set_result_unless_cancelled(self._finish_future, None) + self._clear_callbacks() + + def close(self) -> None: + if self.stream is not None: + self.stream.close() + self._clear_callbacks() + if not self._finish_future.done(): + future_set_result_unless_cancelled(self._finish_future, None) + + def detach(self) -> iostream.IOStream: + """Take control of the underlying stream. + + Returns the underlying `.IOStream` object and stops all further + HTTP processing. May only be called during + `.HTTPMessageDelegate.headers_received`. Intended for implementing + protocols like websockets that tunnel over an HTTP handshake. + """ + self._clear_callbacks() + stream = self.stream + self.stream = None # type: ignore + if not self._finish_future.done(): + future_set_result_unless_cancelled(self._finish_future, None) + return stream + + def set_body_timeout(self, timeout: float) -> None: + """Sets the body timeout for a single request. + + Overrides the value from `.HTTP1ConnectionParameters`. + """ + self._body_timeout = timeout + + def set_max_body_size(self, max_body_size: int) -> None: + """Sets the body size limit for a single request. + + Overrides the value from `.HTTP1ConnectionParameters`. + """ + self._max_body_size = max_body_size + + def write_headers( + self, + start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine], + headers: httputil.HTTPHeaders, + chunk: bytes = None, + ) -> "Future[None]": + """Implements `.HTTPConnection.write_headers`.""" + lines = [] + if self.is_client: + assert isinstance(start_line, httputil.RequestStartLine) + self._request_start_line = start_line + lines.append(utf8("%s %s HTTP/1.1" % (start_line[0], start_line[1]))) + # Client requests with a non-empty body must have either a + # Content-Length or a Transfer-Encoding. + self._chunking_output = ( + start_line.method in ("POST", "PUT", "PATCH") + and "Content-Length" not in headers + and ( + "Transfer-Encoding" not in headers + or headers["Transfer-Encoding"] == "chunked" + ) + ) + else: + assert isinstance(start_line, httputil.ResponseStartLine) + assert self._request_start_line is not None + assert self._request_headers is not None + self._response_start_line = start_line + lines.append(utf8("HTTP/1.1 %d %s" % (start_line[1], start_line[2]))) + self._chunking_output = ( + # TODO: should this use + # self._request_start_line.version or + # start_line.version? + self._request_start_line.version == "HTTP/1.1" + # 1xx, 204 and 304 responses have no body (not even a zero-length + # body), and so should not have either Content-Length or + # Transfer-Encoding headers. + and start_line.code not in (204, 304) + and (start_line.code < 100 or start_line.code >= 200) + # No need to chunk the output if a Content-Length is specified. + and "Content-Length" not in headers + # Applications are discouraged from touching Transfer-Encoding, + # but if they do, leave it alone. + and "Transfer-Encoding" not in headers + ) + # If connection to a 1.1 client will be closed, inform client + if ( + self._request_start_line.version == "HTTP/1.1" + and self._disconnect_on_finish + ): + headers["Connection"] = "close" + # If a 1.0 client asked for keep-alive, add the header. + if ( + self._request_start_line.version == "HTTP/1.0" + and self._request_headers.get("Connection", "").lower() == "keep-alive" + ): + headers["Connection"] = "Keep-Alive" + if self._chunking_output: + headers["Transfer-Encoding"] = "chunked" + if not self.is_client and ( + self._request_start_line.method == "HEAD" + or cast(httputil.ResponseStartLine, start_line).code == 304 + ): + self._expected_content_remaining = 0 + elif "Content-Length" in headers: + self._expected_content_remaining = int(headers["Content-Length"]) + else: + self._expected_content_remaining = None + # TODO: headers are supposed to be of type str, but we still have some + # cases that let bytes slip through. Remove these native_str calls when those + # are fixed. + header_lines = ( + native_str(n) + ": " + native_str(v) for n, v in headers.get_all() + ) + lines.extend(l.encode("latin1") for l in header_lines) + for line in lines: + if b"\n" in line: + raise ValueError("Newline in header: " + repr(line)) + future = None + if self.stream.closed(): + future = self._write_future = Future() + future.set_exception(iostream.StreamClosedError()) + future.exception() + else: + future = self._write_future = Future() + data = b"\r\n".join(lines) + b"\r\n\r\n" + if chunk: + data += self._format_chunk(chunk) + self._pending_write = self.stream.write(data) + future_add_done_callback(self._pending_write, self._on_write_complete) + return future + + def _format_chunk(self, chunk: bytes) -> bytes: + if self._expected_content_remaining is not None: + self._expected_content_remaining -= len(chunk) + if self._expected_content_remaining < 0: + # Close the stream now to stop further framing errors. + self.stream.close() + raise httputil.HTTPOutputError( + "Tried to write more data than Content-Length" + ) + if self._chunking_output and chunk: + # Don't write out empty chunks because that means END-OF-STREAM + # with chunked encoding + return utf8("%x" % len(chunk)) + b"\r\n" + chunk + b"\r\n" + else: + return chunk + + def write(self, chunk: bytes) -> "Future[None]": + """Implements `.HTTPConnection.write`. + + For backwards compatibility it is allowed but deprecated to + skip `write_headers` and instead call `write()` with a + pre-encoded header block. + """ + future = None + if self.stream.closed(): + future = self._write_future = Future() + self._write_future.set_exception(iostream.StreamClosedError()) + self._write_future.exception() + else: + future = self._write_future = Future() + self._pending_write = self.stream.write(self._format_chunk(chunk)) + future_add_done_callback(self._pending_write, self._on_write_complete) + return future + + def finish(self) -> None: + """Implements `.HTTPConnection.finish`.""" + if ( + self._expected_content_remaining is not None + and self._expected_content_remaining != 0 + and not self.stream.closed() + ): + self.stream.close() + raise httputil.HTTPOutputError( + "Tried to write %d bytes less than Content-Length" + % self._expected_content_remaining + ) + if self._chunking_output: + if not self.stream.closed(): + self._pending_write = self.stream.write(b"0\r\n\r\n") + self._pending_write.add_done_callback(self._on_write_complete) + self._write_finished = True + # If the app finished the request while we're still reading, + # divert any remaining data away from the delegate and + # close the connection when we're done sending our response. + # Closing the connection is the only way to avoid reading the + # whole input body. + if not self._read_finished: + self._disconnect_on_finish = True + # No more data is coming, so instruct TCP to send any remaining + # data immediately instead of waiting for a full packet or ack. + self.stream.set_nodelay(True) + if self._pending_write is None: + self._finish_request(None) + else: + future_add_done_callback(self._pending_write, self._finish_request) + + def _on_write_complete(self, future: "Future[None]") -> None: + exc = future.exception() + if exc is not None and not isinstance(exc, iostream.StreamClosedError): + future.result() + if self._write_callback is not None: + callback = self._write_callback + self._write_callback = None + self.stream.io_loop.add_callback(callback) + if self._write_future is not None: + future = self._write_future + self._write_future = None + future_set_result_unless_cancelled(future, None) + + def _can_keep_alive( + self, start_line: httputil.RequestStartLine, headers: httputil.HTTPHeaders + ) -> bool: + if self.params.no_keep_alive: + return False + connection_header = headers.get("Connection") + if connection_header is not None: + connection_header = connection_header.lower() + if start_line.version == "HTTP/1.1": + return connection_header != "close" + elif ( + "Content-Length" in headers + or headers.get("Transfer-Encoding", "").lower() == "chunked" + or getattr(start_line, "method", None) in ("HEAD", "GET") + ): + # start_line may be a request or response start line; only + # the former has a method attribute. + return connection_header == "keep-alive" + return False + + def _finish_request(self, future: "Optional[Future[None]]") -> None: + self._clear_callbacks() + if not self.is_client and self._disconnect_on_finish: + self.close() + return + # Turn Nagle's algorithm back on, leaving the stream in its + # default state for the next request. + self.stream.set_nodelay(False) + if not self._finish_future.done(): + future_set_result_unless_cancelled(self._finish_future, None) + + def _parse_headers(self, data: bytes) -> Tuple[str, httputil.HTTPHeaders]: + # The lstrip removes newlines that some implementations sometimes + # insert between messages of a reused connection. Per RFC 7230, + # we SHOULD ignore at least one empty line before the request. + # http://tools.ietf.org/html/rfc7230#section-3.5 + data_str = native_str(data.decode("latin1")).lstrip("\r\n") + # RFC 7230 section allows for both CRLF and bare LF. + eol = data_str.find("\n") + start_line = data_str[:eol].rstrip("\r") + headers = httputil.HTTPHeaders.parse(data_str[eol:]) + return start_line, headers + + def _read_body( + self, + code: int, + headers: httputil.HTTPHeaders, + delegate: httputil.HTTPMessageDelegate, + ) -> Optional[Awaitable[None]]: + if "Content-Length" in headers: + if "Transfer-Encoding" in headers: + # Response cannot contain both Content-Length and + # Transfer-Encoding headers. + # http://tools.ietf.org/html/rfc7230#section-3.3.3 + raise httputil.HTTPInputError( + "Response with both Transfer-Encoding and Content-Length" + ) + if "," in headers["Content-Length"]: + # Proxies sometimes cause Content-Length headers to get + # duplicated. If all the values are identical then we can + # use them but if they differ it's an error. + pieces = re.split(r",\s*", headers["Content-Length"]) + if any(i != pieces[0] for i in pieces): + raise httputil.HTTPInputError( + "Multiple unequal Content-Lengths: %r" + % headers["Content-Length"] + ) + headers["Content-Length"] = pieces[0] + + try: + content_length = int(headers["Content-Length"]) # type: Optional[int] + except ValueError: + # Handles non-integer Content-Length value. + raise httputil.HTTPInputError( + "Only integer Content-Length is allowed: %s" + % headers["Content-Length"] + ) + + if cast(int, content_length) > self._max_body_size: + raise httputil.HTTPInputError("Content-Length too long") + else: + content_length = None + + if code == 204: + # This response code is not allowed to have a non-empty body, + # and has an implicit length of zero instead of read-until-close. + # http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3 + if "Transfer-Encoding" in headers or content_length not in (None, 0): + raise httputil.HTTPInputError( + "Response with code %d should not have body" % code + ) + content_length = 0 + + if content_length is not None: + return self._read_fixed_body(content_length, delegate) + if headers.get("Transfer-Encoding", "").lower() == "chunked": + return self._read_chunked_body(delegate) + if self.is_client: + return self._read_body_until_close(delegate) + return None + + async def _read_fixed_body( + self, content_length: int, delegate: httputil.HTTPMessageDelegate + ) -> None: + while content_length > 0: + body = await self.stream.read_bytes( + min(self.params.chunk_size, content_length), partial=True + ) + content_length -= len(body) + if not self._write_finished or self.is_client: + with _ExceptionLoggingContext(app_log): + ret = delegate.data_received(body) + if ret is not None: + await ret + + async def _read_chunked_body(self, delegate: httputil.HTTPMessageDelegate) -> None: + # TODO: "chunk extensions" http://tools.ietf.org/html/rfc2616#section-3.6.1 + total_size = 0 + while True: + chunk_len_str = await self.stream.read_until(b"\r\n", max_bytes=64) + chunk_len = int(chunk_len_str.strip(), 16) + if chunk_len == 0: + crlf = await self.stream.read_bytes(2) + if crlf != b"\r\n": + raise httputil.HTTPInputError( + "improperly terminated chunked request" + ) + return + total_size += chunk_len + if total_size > self._max_body_size: + raise httputil.HTTPInputError("chunked body too large") + bytes_to_read = chunk_len + while bytes_to_read: + chunk = await self.stream.read_bytes( + min(bytes_to_read, self.params.chunk_size), partial=True + ) + bytes_to_read -= len(chunk) + if not self._write_finished or self.is_client: + with _ExceptionLoggingContext(app_log): + ret = delegate.data_received(chunk) + if ret is not None: + await ret + # chunk ends with \r\n + crlf = await self.stream.read_bytes(2) + assert crlf == b"\r\n" + + async def _read_body_until_close( + self, delegate: httputil.HTTPMessageDelegate + ) -> None: + body = await self.stream.read_until_close() + if not self._write_finished or self.is_client: + with _ExceptionLoggingContext(app_log): + ret = delegate.data_received(body) + if ret is not None: + await ret + + +class _GzipMessageDelegate(httputil.HTTPMessageDelegate): + """Wraps an `HTTPMessageDelegate` to decode ``Content-Encoding: gzip``. + """ + + def __init__(self, delegate: httputil.HTTPMessageDelegate, chunk_size: int) -> None: + self._delegate = delegate + self._chunk_size = chunk_size + self._decompressor = None # type: Optional[GzipDecompressor] + + def headers_received( + self, + start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine], + headers: httputil.HTTPHeaders, + ) -> Optional[Awaitable[None]]: + if headers.get("Content-Encoding") == "gzip": + self._decompressor = GzipDecompressor() + # Downstream delegates will only see uncompressed data, + # so rename the content-encoding header. + # (but note that curl_httpclient doesn't do this). + headers.add("X-Consumed-Content-Encoding", headers["Content-Encoding"]) + del headers["Content-Encoding"] + return self._delegate.headers_received(start_line, headers) + + async def data_received(self, chunk: bytes) -> None: + if self._decompressor: + compressed_data = chunk + while compressed_data: + decompressed = self._decompressor.decompress( + compressed_data, self._chunk_size + ) + if decompressed: + ret = self._delegate.data_received(decompressed) + if ret is not None: + await ret + compressed_data = self._decompressor.unconsumed_tail + else: + ret = self._delegate.data_received(chunk) + if ret is not None: + await ret + + def finish(self) -> None: + if self._decompressor is not None: + tail = self._decompressor.flush() + if tail: + # The tail should always be empty: decompress returned + # all that it can in data_received and the only + # purpose of the flush call is to detect errors such + # as truncated input. If we did legitimately get a new + # chunk at this point we'd need to change the + # interface to make finish() a coroutine. + raise ValueError( + "decompressor.flush returned data; possile truncated input" + ) + return self._delegate.finish() + + def on_connection_close(self) -> None: + return self._delegate.on_connection_close() + + +class HTTP1ServerConnection(object): + """An HTTP/1.x server.""" + + def __init__( + self, + stream: iostream.IOStream, + params: HTTP1ConnectionParameters = None, + context: object = None, + ) -> None: + """ + :arg stream: an `.IOStream` + :arg params: a `.HTTP1ConnectionParameters` or None + :arg context: an opaque application-defined object that is accessible + as ``connection.context`` + """ + self.stream = stream + if params is None: + params = HTTP1ConnectionParameters() + self.params = params + self.context = context + self._serving_future = None # type: Optional[Future[None]] + + async def close(self) -> None: + """Closes the connection. + + Returns a `.Future` that resolves after the serving loop has exited. + """ + self.stream.close() + # Block until the serving loop is done, but ignore any exceptions + # (start_serving is already responsible for logging them). + assert self._serving_future is not None + try: + await self._serving_future + except Exception: + pass + + def start_serving(self, delegate: httputil.HTTPServerConnectionDelegate) -> None: + """Starts serving requests on this connection. + + :arg delegate: a `.HTTPServerConnectionDelegate` + """ + assert isinstance(delegate, httputil.HTTPServerConnectionDelegate) + fut = gen.convert_yielded(self._server_request_loop(delegate)) + self._serving_future = fut + # Register the future on the IOLoop so its errors get logged. + self.stream.io_loop.add_future(fut, lambda f: f.result()) + + async def _server_request_loop( + self, delegate: httputil.HTTPServerConnectionDelegate + ) -> None: + try: + while True: + conn = HTTP1Connection(self.stream, False, self.params, self.context) + request_delegate = delegate.start_request(self, conn) + try: + ret = await conn.read_response(request_delegate) + except ( + iostream.StreamClosedError, + iostream.UnsatisfiableReadError, + asyncio.CancelledError, + ): + return + except _QuietException: + # This exception was already logged. + conn.close() + return + except Exception: + gen_log.error("Uncaught exception", exc_info=True) + conn.close() + return + if not ret: + return + await asyncio.sleep(0) + finally: + delegate.on_close(self) diff --git a/venv/lib/python3.7/site-packages/tornado/httpclient.py b/venv/lib/python3.7/site-packages/tornado/httpclient.py new file mode 100644 index 0000000..882600a --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/httpclient.py @@ -0,0 +1,781 @@ +"""Blocking and non-blocking HTTP client interfaces. + +This module defines a common interface shared by two implementations, +``simple_httpclient`` and ``curl_httpclient``. Applications may either +instantiate their chosen implementation class directly or use the +`AsyncHTTPClient` class from this module, which selects an implementation +that can be overridden with the `AsyncHTTPClient.configure` method. + +The default implementation is ``simple_httpclient``, and this is expected +to be suitable for most users' needs. However, some applications may wish +to switch to ``curl_httpclient`` for reasons such as the following: + +* ``curl_httpclient`` has some features not found in ``simple_httpclient``, + including support for HTTP proxies and the ability to use a specified + network interface. + +* ``curl_httpclient`` is more likely to be compatible with sites that are + not-quite-compliant with the HTTP spec, or sites that use little-exercised + features of HTTP. + +* ``curl_httpclient`` is faster. + +Note that if you are using ``curl_httpclient``, it is highly +recommended that you use a recent version of ``libcurl`` and +``pycurl``. Currently the minimum supported version of libcurl is +7.22.0, and the minimum version of pycurl is 7.18.2. It is highly +recommended that your ``libcurl`` installation is built with +asynchronous DNS resolver (threaded or c-ares), otherwise you may +encounter various problems with request timeouts (for more +information, see +http://curl.haxx.se/libcurl/c/curl_easy_setopt.html#CURLOPTCONNECTTIMEOUTMS +and comments in curl_httpclient.py). + +To select ``curl_httpclient``, call `AsyncHTTPClient.configure` at startup:: + + AsyncHTTPClient.configure("tornado.curl_httpclient.CurlAsyncHTTPClient") +""" + +import datetime +import functools +from io import BytesIO +import ssl +import time +import weakref + +from tornado.concurrent import ( + Future, + future_set_result_unless_cancelled, + future_set_exception_unless_cancelled, +) +from tornado.escape import utf8, native_str +from tornado import gen, httputil +from tornado.ioloop import IOLoop +from tornado.util import Configurable + +from typing import Type, Any, Union, Dict, Callable, Optional, cast, Awaitable + + +class HTTPClient(object): + """A blocking HTTP client. + + This interface is provided to make it easier to share code between + synchronous and asynchronous applications. Applications that are + running an `.IOLoop` must use `AsyncHTTPClient` instead. + + Typical usage looks like this:: + + http_client = httpclient.HTTPClient() + try: + response = http_client.fetch("http://www.google.com/") + print(response.body) + except httpclient.HTTPError as e: + # HTTPError is raised for non-200 responses; the response + # can be found in e.response. + print("Error: " + str(e)) + except Exception as e: + # Other errors are possible, such as IOError. + print("Error: " + str(e)) + http_client.close() + + .. versionchanged:: 5.0 + + Due to limitations in `asyncio`, it is no longer possible to + use the synchronous ``HTTPClient`` while an `.IOLoop` is running. + Use `AsyncHTTPClient` instead. + + """ + + def __init__( + self, async_client_class: Type["AsyncHTTPClient"] = None, **kwargs: Any + ) -> None: + # Initialize self._closed at the beginning of the constructor + # so that an exception raised here doesn't lead to confusing + # failures in __del__. + self._closed = True + self._io_loop = IOLoop(make_current=False) + if async_client_class is None: + async_client_class = AsyncHTTPClient + + # Create the client while our IOLoop is "current", without + # clobbering the thread's real current IOLoop (if any). + async def make_client() -> "AsyncHTTPClient": + await gen.sleep(0) + assert async_client_class is not None + return async_client_class(**kwargs) + + self._async_client = self._io_loop.run_sync(make_client) + self._closed = False + + def __del__(self) -> None: + self.close() + + def close(self) -> None: + """Closes the HTTPClient, freeing any resources used.""" + if not self._closed: + self._async_client.close() + self._io_loop.close() + self._closed = True + + def fetch( + self, request: Union["HTTPRequest", str], **kwargs: Any + ) -> "HTTPResponse": + """Executes a request, returning an `HTTPResponse`. + + The request may be either a string URL or an `HTTPRequest` object. + If it is a string, we construct an `HTTPRequest` using any additional + kwargs: ``HTTPRequest(request, **kwargs)`` + + If an error occurs during the fetch, we raise an `HTTPError` unless + the ``raise_error`` keyword argument is set to False. + """ + response = self._io_loop.run_sync( + functools.partial(self._async_client.fetch, request, **kwargs) + ) + return response + + +class AsyncHTTPClient(Configurable): + """An non-blocking HTTP client. + + Example usage:: + + async def f(): + http_client = AsyncHTTPClient() + try: + response = await http_client.fetch("http://www.google.com") + except Exception as e: + print("Error: %s" % e) + else: + print(response.body) + + The constructor for this class is magic in several respects: It + actually creates an instance of an implementation-specific + subclass, and instances are reused as a kind of pseudo-singleton + (one per `.IOLoop`). The keyword argument ``force_instance=True`` + can be used to suppress this singleton behavior. Unless + ``force_instance=True`` is used, no arguments should be passed to + the `AsyncHTTPClient` constructor. The implementation subclass as + well as arguments to its constructor can be set with the static + method `configure()` + + All `AsyncHTTPClient` implementations support a ``defaults`` + keyword argument, which can be used to set default values for + `HTTPRequest` attributes. For example:: + + AsyncHTTPClient.configure( + None, defaults=dict(user_agent="MyUserAgent")) + # or with force_instance: + client = AsyncHTTPClient(force_instance=True, + defaults=dict(user_agent="MyUserAgent")) + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + + """ + + _instance_cache = None # type: Dict[IOLoop, AsyncHTTPClient] + + @classmethod + def configurable_base(cls) -> Type[Configurable]: + return AsyncHTTPClient + + @classmethod + def configurable_default(cls) -> Type[Configurable]: + from tornado.simple_httpclient import SimpleAsyncHTTPClient + + return SimpleAsyncHTTPClient + + @classmethod + def _async_clients(cls) -> Dict[IOLoop, "AsyncHTTPClient"]: + attr_name = "_async_client_dict_" + cls.__name__ + if not hasattr(cls, attr_name): + setattr(cls, attr_name, weakref.WeakKeyDictionary()) + return getattr(cls, attr_name) + + def __new__(cls, force_instance: bool = False, **kwargs: Any) -> "AsyncHTTPClient": + io_loop = IOLoop.current() + if force_instance: + instance_cache = None + else: + instance_cache = cls._async_clients() + if instance_cache is not None and io_loop in instance_cache: + return instance_cache[io_loop] + instance = super(AsyncHTTPClient, cls).__new__(cls, **kwargs) # type: ignore + # Make sure the instance knows which cache to remove itself from. + # It can't simply call _async_clients() because we may be in + # __new__(AsyncHTTPClient) but instance.__class__ may be + # SimpleAsyncHTTPClient. + instance._instance_cache = instance_cache + if instance_cache is not None: + instance_cache[instance.io_loop] = instance + return instance + + def initialize(self, defaults: Dict[str, Any] = None) -> None: + self.io_loop = IOLoop.current() + self.defaults = dict(HTTPRequest._DEFAULTS) + if defaults is not None: + self.defaults.update(defaults) + self._closed = False + + def close(self) -> None: + """Destroys this HTTP client, freeing any file descriptors used. + + This method is **not needed in normal use** due to the way + that `AsyncHTTPClient` objects are transparently reused. + ``close()`` is generally only necessary when either the + `.IOLoop` is also being closed, or the ``force_instance=True`` + argument was used when creating the `AsyncHTTPClient`. + + No other methods may be called on the `AsyncHTTPClient` after + ``close()``. + + """ + if self._closed: + return + self._closed = True + if self._instance_cache is not None: + cached_val = self._instance_cache.pop(self.io_loop, None) + # If there's an object other than self in the instance + # cache for our IOLoop, something has gotten mixed up. A + # value of None appears to be possible when this is called + # from a destructor (HTTPClient.__del__) as the weakref + # gets cleared before the destructor runs. + if cached_val is not None and cached_val is not self: + raise RuntimeError("inconsistent AsyncHTTPClient cache") + + def fetch( + self, + request: Union[str, "HTTPRequest"], + raise_error: bool = True, + **kwargs: Any + ) -> Awaitable["HTTPResponse"]: + """Executes a request, asynchronously returning an `HTTPResponse`. + + The request may be either a string URL or an `HTTPRequest` object. + If it is a string, we construct an `HTTPRequest` using any additional + kwargs: ``HTTPRequest(request, **kwargs)`` + + This method returns a `.Future` whose result is an + `HTTPResponse`. By default, the ``Future`` will raise an + `HTTPError` if the request returned a non-200 response code + (other errors may also be raised if the server could not be + contacted). Instead, if ``raise_error`` is set to False, the + response will always be returned regardless of the response + code. + + If a ``callback`` is given, it will be invoked with the `HTTPResponse`. + In the callback interface, `HTTPError` is not automatically raised. + Instead, you must check the response's ``error`` attribute or + call its `~HTTPResponse.rethrow` method. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + The ``raise_error=False`` argument only affects the + `HTTPError` raised when a non-200 response code is used, + instead of suppressing all errors. + """ + if self._closed: + raise RuntimeError("fetch() called on closed AsyncHTTPClient") + if not isinstance(request, HTTPRequest): + request = HTTPRequest(url=request, **kwargs) + else: + if kwargs: + raise ValueError( + "kwargs can't be used if request is an HTTPRequest object" + ) + # We may modify this (to add Host, Accept-Encoding, etc), + # so make sure we don't modify the caller's object. This is also + # where normal dicts get converted to HTTPHeaders objects. + request.headers = httputil.HTTPHeaders(request.headers) + request_proxy = _RequestProxy(request, self.defaults) + future = Future() # type: Future[HTTPResponse] + + def handle_response(response: "HTTPResponse") -> None: + if response.error: + if raise_error or not response._error_is_response_code: + future_set_exception_unless_cancelled(future, response.error) + return + future_set_result_unless_cancelled(future, response) + + self.fetch_impl(cast(HTTPRequest, request_proxy), handle_response) + return future + + def fetch_impl( + self, request: "HTTPRequest", callback: Callable[["HTTPResponse"], None] + ) -> None: + raise NotImplementedError() + + @classmethod + def configure( + cls, impl: "Union[None, str, Type[Configurable]]", **kwargs: Any + ) -> None: + """Configures the `AsyncHTTPClient` subclass to use. + + ``AsyncHTTPClient()`` actually creates an instance of a subclass. + This method may be called with either a class object or the + fully-qualified name of such a class (or ``None`` to use the default, + ``SimpleAsyncHTTPClient``) + + If additional keyword arguments are given, they will be passed + to the constructor of each subclass instance created. The + keyword argument ``max_clients`` determines the maximum number + of simultaneous `~AsyncHTTPClient.fetch()` operations that can + execute in parallel on each `.IOLoop`. Additional arguments + may be supported depending on the implementation class in use. + + Example:: + + AsyncHTTPClient.configure("tornado.curl_httpclient.CurlAsyncHTTPClient") + """ + super(AsyncHTTPClient, cls).configure(impl, **kwargs) + + +class HTTPRequest(object): + """HTTP client request object.""" + + _headers = None # type: Union[Dict[str, str], httputil.HTTPHeaders] + + # Default values for HTTPRequest parameters. + # Merged with the values on the request object by AsyncHTTPClient + # implementations. + _DEFAULTS = dict( + connect_timeout=20.0, + request_timeout=20.0, + follow_redirects=True, + max_redirects=5, + decompress_response=True, + proxy_password="", + allow_nonstandard_methods=False, + validate_cert=True, + ) + + def __init__( + self, + url: str, + method: str = "GET", + headers: Union[Dict[str, str], httputil.HTTPHeaders] = None, + body: Union[bytes, str] = None, + auth_username: str = None, + auth_password: str = None, + auth_mode: str = None, + connect_timeout: float = None, + request_timeout: float = None, + if_modified_since: Union[float, datetime.datetime] = None, + follow_redirects: bool = None, + max_redirects: int = None, + user_agent: str = None, + use_gzip: bool = None, + network_interface: str = None, + streaming_callback: Callable[[bytes], None] = None, + header_callback: Callable[[str], None] = None, + prepare_curl_callback: Callable[[Any], None] = None, + proxy_host: str = None, + proxy_port: int = None, + proxy_username: str = None, + proxy_password: str = None, + proxy_auth_mode: str = None, + allow_nonstandard_methods: bool = None, + validate_cert: bool = None, + ca_certs: str = None, + allow_ipv6: bool = None, + client_key: str = None, + client_cert: str = None, + body_producer: Callable[[Callable[[bytes], None]], "Future[None]"] = None, + expect_100_continue: bool = False, + decompress_response: bool = None, + ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None, + ) -> None: + r"""All parameters except ``url`` are optional. + + :arg str url: URL to fetch + :arg str method: HTTP method, e.g. "GET" or "POST" + :arg headers: Additional HTTP headers to pass on the request + :type headers: `~tornado.httputil.HTTPHeaders` or `dict` + :arg body: HTTP request body as a string (byte or unicode; if unicode + the utf-8 encoding will be used) + :arg body_producer: Callable used for lazy/asynchronous request bodies. + It is called with one argument, a ``write`` function, and should + return a `.Future`. It should call the write function with new + data as it becomes available. The write function returns a + `.Future` which can be used for flow control. + Only one of ``body`` and ``body_producer`` may + be specified. ``body_producer`` is not supported on + ``curl_httpclient``. When using ``body_producer`` it is recommended + to pass a ``Content-Length`` in the headers as otherwise chunked + encoding will be used, and many servers do not support chunked + encoding on requests. New in Tornado 4.0 + :arg str auth_username: Username for HTTP authentication + :arg str auth_password: Password for HTTP authentication + :arg str auth_mode: Authentication mode; default is "basic". + Allowed values are implementation-defined; ``curl_httpclient`` + supports "basic" and "digest"; ``simple_httpclient`` only supports + "basic" + :arg float connect_timeout: Timeout for initial connection in seconds, + default 20 seconds + :arg float request_timeout: Timeout for entire request in seconds, + default 20 seconds + :arg if_modified_since: Timestamp for ``If-Modified-Since`` header + :type if_modified_since: `datetime` or `float` + :arg bool follow_redirects: Should redirects be followed automatically + or return the 3xx response? Default True. + :arg int max_redirects: Limit for ``follow_redirects``, default 5. + :arg str user_agent: String to send as ``User-Agent`` header + :arg bool decompress_response: Request a compressed response from + the server and decompress it after downloading. Default is True. + New in Tornado 4.0. + :arg bool use_gzip: Deprecated alias for ``decompress_response`` + since Tornado 4.0. + :arg str network_interface: Network interface or source IP to use for request. + See ``curl_httpclient`` note below. + :arg collections.abc.Callable streaming_callback: If set, ``streaming_callback`` will + be run with each chunk of data as it is received, and + ``HTTPResponse.body`` and ``HTTPResponse.buffer`` will be empty in + the final response. + :arg collections.abc.Callable header_callback: If set, ``header_callback`` will + be run with each header line as it is received (including the + first line, e.g. ``HTTP/1.0 200 OK\r\n``, and a final line + containing only ``\r\n``. All lines include the trailing newline + characters). ``HTTPResponse.headers`` will be empty in the final + response. This is most useful in conjunction with + ``streaming_callback``, because it's the only way to get access to + header data while the request is in progress. + :arg collections.abc.Callable prepare_curl_callback: If set, will be called with + a ``pycurl.Curl`` object to allow the application to make additional + ``setopt`` calls. + :arg str proxy_host: HTTP proxy hostname. To use proxies, + ``proxy_host`` and ``proxy_port`` must be set; ``proxy_username``, + ``proxy_pass`` and ``proxy_auth_mode`` are optional. Proxies are + currently only supported with ``curl_httpclient``. + :arg int proxy_port: HTTP proxy port + :arg str proxy_username: HTTP proxy username + :arg str proxy_password: HTTP proxy password + :arg str proxy_auth_mode: HTTP proxy Authentication mode; + default is "basic". supports "basic" and "digest" + :arg bool allow_nonstandard_methods: Allow unknown values for ``method`` + argument? Default is False. + :arg bool validate_cert: For HTTPS requests, validate the server's + certificate? Default is True. + :arg str ca_certs: filename of CA certificates in PEM format, + or None to use defaults. See note below when used with + ``curl_httpclient``. + :arg str client_key: Filename for client SSL key, if any. See + note below when used with ``curl_httpclient``. + :arg str client_cert: Filename for client SSL certificate, if any. + See note below when used with ``curl_httpclient``. + :arg ssl.SSLContext ssl_options: `ssl.SSLContext` object for use in + ``simple_httpclient`` (unsupported by ``curl_httpclient``). + Overrides ``validate_cert``, ``ca_certs``, ``client_key``, + and ``client_cert``. + :arg bool allow_ipv6: Use IPv6 when available? Default is True. + :arg bool expect_100_continue: If true, send the + ``Expect: 100-continue`` header and wait for a continue response + before sending the request body. Only supported with + ``simple_httpclient``. + + .. note:: + + When using ``curl_httpclient`` certain options may be + inherited by subsequent fetches because ``pycurl`` does + not allow them to be cleanly reset. This applies to the + ``ca_certs``, ``client_key``, ``client_cert``, and + ``network_interface`` arguments. If you use these + options, you should pass them on every request (you don't + have to always use the same values, but it's not possible + to mix requests that specify these options with ones that + use the defaults). + + .. versionadded:: 3.1 + The ``auth_mode`` argument. + + .. versionadded:: 4.0 + The ``body_producer`` and ``expect_100_continue`` arguments. + + .. versionadded:: 4.2 + The ``ssl_options`` argument. + + .. versionadded:: 4.5 + The ``proxy_auth_mode`` argument. + """ + # Note that some of these attributes go through property setters + # defined below. + self.headers = headers + if if_modified_since: + self.headers["If-Modified-Since"] = httputil.format_timestamp( + if_modified_since + ) + self.proxy_host = proxy_host + self.proxy_port = proxy_port + self.proxy_username = proxy_username + self.proxy_password = proxy_password + self.proxy_auth_mode = proxy_auth_mode + self.url = url + self.method = method + self.body = body + self.body_producer = body_producer + self.auth_username = auth_username + self.auth_password = auth_password + self.auth_mode = auth_mode + self.connect_timeout = connect_timeout + self.request_timeout = request_timeout + self.follow_redirects = follow_redirects + self.max_redirects = max_redirects + self.user_agent = user_agent + if decompress_response is not None: + self.decompress_response = decompress_response # type: Optional[bool] + else: + self.decompress_response = use_gzip + self.network_interface = network_interface + self.streaming_callback = streaming_callback + self.header_callback = header_callback + self.prepare_curl_callback = prepare_curl_callback + self.allow_nonstandard_methods = allow_nonstandard_methods + self.validate_cert = validate_cert + self.ca_certs = ca_certs + self.allow_ipv6 = allow_ipv6 + self.client_key = client_key + self.client_cert = client_cert + self.ssl_options = ssl_options + self.expect_100_continue = expect_100_continue + self.start_time = time.time() + + @property + def headers(self) -> httputil.HTTPHeaders: + # TODO: headers may actually be a plain dict until fairly late in + # the process (AsyncHTTPClient.fetch), but practically speaking, + # whenever the property is used they're already HTTPHeaders. + return self._headers # type: ignore + + @headers.setter + def headers(self, value: Union[Dict[str, str], httputil.HTTPHeaders]) -> None: + if value is None: + self._headers = httputil.HTTPHeaders() + else: + self._headers = value # type: ignore + + @property + def body(self) -> bytes: + return self._body + + @body.setter + def body(self, value: Union[bytes, str]) -> None: + self._body = utf8(value) + + +class HTTPResponse(object): + """HTTP Response object. + + Attributes: + + * ``request``: HTTPRequest object + + * ``code``: numeric HTTP status code, e.g. 200 or 404 + + * ``reason``: human-readable reason phrase describing the status code + + * ``headers``: `tornado.httputil.HTTPHeaders` object + + * ``effective_url``: final location of the resource after following any + redirects + + * ``buffer``: ``cStringIO`` object for response body + + * ``body``: response body as bytes (created on demand from ``self.buffer``) + + * ``error``: Exception object, if any + + * ``request_time``: seconds from request start to finish. Includes all + network operations from DNS resolution to receiving the last byte of + data. Does not include time spent in the queue (due to the + ``max_clients`` option). If redirects were followed, only includes + the final request. + + * ``start_time``: Time at which the HTTP operation started, based on + `time.time` (not the monotonic clock used by `.IOLoop.time`). May + be ``None`` if the request timed out while in the queue. + + * ``time_info``: dictionary of diagnostic timing information from the + request. Available data are subject to change, but currently uses timings + available from http://curl.haxx.se/libcurl/c/curl_easy_getinfo.html, + plus ``queue``, which is the delay (if any) introduced by waiting for + a slot under `AsyncHTTPClient`'s ``max_clients`` setting. + + .. versionadded:: 5.1 + + Added the ``start_time`` attribute. + + .. versionchanged:: 5.1 + + The ``request_time`` attribute previously included time spent in the queue + for ``simple_httpclient``, but not in ``curl_httpclient``. Now queueing time + is excluded in both implementations. ``request_time`` is now more accurate for + ``curl_httpclient`` because it uses a monotonic clock when available. + """ + + # I'm not sure why these don't get type-inferred from the references in __init__. + error = None # type: Optional[BaseException] + _error_is_response_code = False + request = None # type: HTTPRequest + + def __init__( + self, + request: HTTPRequest, + code: int, + headers: httputil.HTTPHeaders = None, + buffer: BytesIO = None, + effective_url: str = None, + error: BaseException = None, + request_time: float = None, + time_info: Dict[str, float] = None, + reason: str = None, + start_time: float = None, + ) -> None: + if isinstance(request, _RequestProxy): + self.request = request.request + else: + self.request = request + self.code = code + self.reason = reason or httputil.responses.get(code, "Unknown") + if headers is not None: + self.headers = headers + else: + self.headers = httputil.HTTPHeaders() + self.buffer = buffer + self._body = None # type: Optional[bytes] + if effective_url is None: + self.effective_url = request.url + else: + self.effective_url = effective_url + self._error_is_response_code = False + if error is None: + if self.code < 200 or self.code >= 300: + self._error_is_response_code = True + self.error = HTTPError(self.code, message=self.reason, response=self) + else: + self.error = None + else: + self.error = error + self.start_time = start_time + self.request_time = request_time + self.time_info = time_info or {} + + @property + def body(self) -> bytes: + if self.buffer is None: + return b"" + elif self._body is None: + self._body = self.buffer.getvalue() + + return self._body + + def rethrow(self) -> None: + """If there was an error on the request, raise an `HTTPError`.""" + if self.error: + raise self.error + + def __repr__(self) -> str: + args = ",".join("%s=%r" % i for i in sorted(self.__dict__.items())) + return "%s(%s)" % (self.__class__.__name__, args) + + +class HTTPClientError(Exception): + """Exception thrown for an unsuccessful HTTP request. + + Attributes: + + * ``code`` - HTTP error integer error code, e.g. 404. Error code 599 is + used when no HTTP response was received, e.g. for a timeout. + + * ``response`` - `HTTPResponse` object, if any. + + Note that if ``follow_redirects`` is False, redirects become HTTPErrors, + and you can look at ``error.response.headers['Location']`` to see the + destination of the redirect. + + .. versionchanged:: 5.1 + + Renamed from ``HTTPError`` to ``HTTPClientError`` to avoid collisions with + `tornado.web.HTTPError`. The name ``tornado.httpclient.HTTPError`` remains + as an alias. + """ + + def __init__( + self, code: int, message: str = None, response: HTTPResponse = None + ) -> None: + self.code = code + self.message = message or httputil.responses.get(code, "Unknown") + self.response = response + super(HTTPClientError, self).__init__(code, message, response) + + def __str__(self) -> str: + return "HTTP %d: %s" % (self.code, self.message) + + # There is a cyclic reference between self and self.response, + # which breaks the default __repr__ implementation. + # (especially on pypy, which doesn't have the same recursion + # detection as cpython). + __repr__ = __str__ + + +HTTPError = HTTPClientError + + +class _RequestProxy(object): + """Combines an object with a dictionary of defaults. + + Used internally by AsyncHTTPClient implementations. + """ + + def __init__( + self, request: HTTPRequest, defaults: Optional[Dict[str, Any]] + ) -> None: + self.request = request + self.defaults = defaults + + def __getattr__(self, name: str) -> Any: + request_attr = getattr(self.request, name) + if request_attr is not None: + return request_attr + elif self.defaults is not None: + return self.defaults.get(name, None) + else: + return None + + +def main() -> None: + from tornado.options import define, options, parse_command_line + + define("print_headers", type=bool, default=False) + define("print_body", type=bool, default=True) + define("follow_redirects", type=bool, default=True) + define("validate_cert", type=bool, default=True) + define("proxy_host", type=str) + define("proxy_port", type=int) + args = parse_command_line() + client = HTTPClient() + for arg in args: + try: + response = client.fetch( + arg, + follow_redirects=options.follow_redirects, + validate_cert=options.validate_cert, + proxy_host=options.proxy_host, + proxy_port=options.proxy_port, + ) + except HTTPError as e: + if e.response is not None: + response = e.response + else: + raise + if options.print_headers: + print(response.headers) + if options.print_body: + print(native_str(response.body)) + client.close() + + +if __name__ == "__main__": + main() diff --git a/venv/lib/python3.7/site-packages/tornado/httpserver.py b/venv/lib/python3.7/site-packages/tornado/httpserver.py new file mode 100644 index 0000000..8044a4f --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/httpserver.py @@ -0,0 +1,398 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""A non-blocking, single-threaded HTTP server. + +Typical applications have little direct interaction with the `HTTPServer` +class except to start a server at the beginning of the process +(and even that is often done indirectly via `tornado.web.Application.listen`). + +.. versionchanged:: 4.0 + + The ``HTTPRequest`` class that used to live in this module has been moved + to `tornado.httputil.HTTPServerRequest`. The old name remains as an alias. +""" + +import socket +import ssl + +from tornado.escape import native_str +from tornado.http1connection import HTTP1ServerConnection, HTTP1ConnectionParameters +from tornado import httputil +from tornado import iostream +from tornado import netutil +from tornado.tcpserver import TCPServer +from tornado.util import Configurable + +import typing +from typing import Union, Any, Dict, Callable, List, Type, Tuple, Optional, Awaitable + +if typing.TYPE_CHECKING: + from typing import Set # noqa: F401 + + +class HTTPServer(TCPServer, Configurable, httputil.HTTPServerConnectionDelegate): + r"""A non-blocking, single-threaded HTTP server. + + A server is defined by a subclass of `.HTTPServerConnectionDelegate`, + or, for backwards compatibility, a callback that takes an + `.HTTPServerRequest` as an argument. The delegate is usually a + `tornado.web.Application`. + + `HTTPServer` supports keep-alive connections by default + (automatically for HTTP/1.1, or for HTTP/1.0 when the client + requests ``Connection: keep-alive``). + + If ``xheaders`` is ``True``, we support the + ``X-Real-Ip``/``X-Forwarded-For`` and + ``X-Scheme``/``X-Forwarded-Proto`` headers, which override the + remote IP and URI scheme/protocol for all requests. These headers + are useful when running Tornado behind a reverse proxy or load + balancer. The ``protocol`` argument can also be set to ``https`` + if Tornado is run behind an SSL-decoding proxy that does not set one of + the supported ``xheaders``. + + By default, when parsing the ``X-Forwarded-For`` header, Tornado will + select the last (i.e., the closest) address on the list of hosts as the + remote host IP address. To select the next server in the chain, a list of + trusted downstream hosts may be passed as the ``trusted_downstream`` + argument. These hosts will be skipped when parsing the ``X-Forwarded-For`` + header. + + To make this server serve SSL traffic, send the ``ssl_options`` keyword + argument with an `ssl.SSLContext` object. For compatibility with older + versions of Python ``ssl_options`` may also be a dictionary of keyword + arguments for the `ssl.wrap_socket` method.:: + + ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) + ssl_ctx.load_cert_chain(os.path.join(data_dir, "mydomain.crt"), + os.path.join(data_dir, "mydomain.key")) + HTTPServer(application, ssl_options=ssl_ctx) + + `HTTPServer` initialization follows one of three patterns (the + initialization methods are defined on `tornado.tcpserver.TCPServer`): + + 1. `~tornado.tcpserver.TCPServer.listen`: simple single-process:: + + server = HTTPServer(app) + server.listen(8888) + IOLoop.current().start() + + In many cases, `tornado.web.Application.listen` can be used to avoid + the need to explicitly create the `HTTPServer`. + + 2. `~tornado.tcpserver.TCPServer.bind`/`~tornado.tcpserver.TCPServer.start`: + simple multi-process:: + + server = HTTPServer(app) + server.bind(8888) + server.start(0) # Forks multiple sub-processes + IOLoop.current().start() + + When using this interface, an `.IOLoop` must *not* be passed + to the `HTTPServer` constructor. `~.TCPServer.start` will always start + the server on the default singleton `.IOLoop`. + + 3. `~tornado.tcpserver.TCPServer.add_sockets`: advanced multi-process:: + + sockets = tornado.netutil.bind_sockets(8888) + tornado.process.fork_processes(0) + server = HTTPServer(app) + server.add_sockets(sockets) + IOLoop.current().start() + + The `~.TCPServer.add_sockets` interface is more complicated, + but it can be used with `tornado.process.fork_processes` to + give you more flexibility in when the fork happens. + `~.TCPServer.add_sockets` can also be used in single-process + servers if you want to create your listening sockets in some + way other than `tornado.netutil.bind_sockets`. + + .. versionchanged:: 4.0 + Added ``decompress_request``, ``chunk_size``, ``max_header_size``, + ``idle_connection_timeout``, ``body_timeout``, ``max_body_size`` + arguments. Added support for `.HTTPServerConnectionDelegate` + instances as ``request_callback``. + + .. versionchanged:: 4.1 + `.HTTPServerConnectionDelegate.start_request` is now called with + two arguments ``(server_conn, request_conn)`` (in accordance with the + documentation) instead of one ``(request_conn)``. + + .. versionchanged:: 4.2 + `HTTPServer` is now a subclass of `tornado.util.Configurable`. + + .. versionchanged:: 4.5 + Added the ``trusted_downstream`` argument. + + .. versionchanged:: 5.0 + The ``io_loop`` argument has been removed. + """ + + def __init__(self, *args: Any, **kwargs: Any) -> None: + # Ignore args to __init__; real initialization belongs in + # initialize since we're Configurable. (there's something + # weird in initialization order between this class, + # Configurable, and TCPServer so we can't leave __init__ out + # completely) + pass + + def initialize( + self, + request_callback: Union[ + httputil.HTTPServerConnectionDelegate, + Callable[[httputil.HTTPServerRequest], None], + ], + no_keep_alive: bool = False, + xheaders: bool = False, + ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None, + protocol: str = None, + decompress_request: bool = False, + chunk_size: int = None, + max_header_size: int = None, + idle_connection_timeout: float = None, + body_timeout: float = None, + max_body_size: int = None, + max_buffer_size: int = None, + trusted_downstream: List[str] = None, + ) -> None: + # This method's signature is not extracted with autodoc + # because we want its arguments to appear on the class + # constructor. When changing this signature, also update the + # copy in httpserver.rst. + self.request_callback = request_callback + self.xheaders = xheaders + self.protocol = protocol + self.conn_params = HTTP1ConnectionParameters( + decompress=decompress_request, + chunk_size=chunk_size, + max_header_size=max_header_size, + header_timeout=idle_connection_timeout or 3600, + max_body_size=max_body_size, + body_timeout=body_timeout, + no_keep_alive=no_keep_alive, + ) + TCPServer.__init__( + self, + ssl_options=ssl_options, + max_buffer_size=max_buffer_size, + read_chunk_size=chunk_size, + ) + self._connections = set() # type: Set[HTTP1ServerConnection] + self.trusted_downstream = trusted_downstream + + @classmethod + def configurable_base(cls) -> Type[Configurable]: + return HTTPServer + + @classmethod + def configurable_default(cls) -> Type[Configurable]: + return HTTPServer + + async def close_all_connections(self) -> None: + """Close all open connections and asynchronously wait for them to finish. + + This method is used in combination with `~.TCPServer.stop` to + support clean shutdowns (especially for unittests). Typical + usage would call ``stop()`` first to stop accepting new + connections, then ``await close_all_connections()`` to wait for + existing connections to finish. + + This method does not currently close open websocket connections. + + Note that this method is a coroutine and must be caled with ``await``. + + """ + while self._connections: + # Peek at an arbitrary element of the set + conn = next(iter(self._connections)) + await conn.close() + + def handle_stream(self, stream: iostream.IOStream, address: Tuple) -> None: + context = _HTTPRequestContext( + stream, address, self.protocol, self.trusted_downstream + ) + conn = HTTP1ServerConnection(stream, self.conn_params, context) + self._connections.add(conn) + conn.start_serving(self) + + def start_request( + self, server_conn: object, request_conn: httputil.HTTPConnection + ) -> httputil.HTTPMessageDelegate: + if isinstance(self.request_callback, httputil.HTTPServerConnectionDelegate): + delegate = self.request_callback.start_request(server_conn, request_conn) + else: + delegate = _CallableAdapter(self.request_callback, request_conn) + + if self.xheaders: + delegate = _ProxyAdapter(delegate, request_conn) + + return delegate + + def on_close(self, server_conn: object) -> None: + self._connections.remove(typing.cast(HTTP1ServerConnection, server_conn)) + + +class _CallableAdapter(httputil.HTTPMessageDelegate): + def __init__( + self, + request_callback: Callable[[httputil.HTTPServerRequest], None], + request_conn: httputil.HTTPConnection, + ) -> None: + self.connection = request_conn + self.request_callback = request_callback + self.request = None # type: Optional[httputil.HTTPServerRequest] + self.delegate = None + self._chunks = [] # type: List[bytes] + + def headers_received( + self, + start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine], + headers: httputil.HTTPHeaders, + ) -> Optional[Awaitable[None]]: + self.request = httputil.HTTPServerRequest( + connection=self.connection, + start_line=typing.cast(httputil.RequestStartLine, start_line), + headers=headers, + ) + return None + + def data_received(self, chunk: bytes) -> Optional[Awaitable[None]]: + self._chunks.append(chunk) + return None + + def finish(self) -> None: + assert self.request is not None + self.request.body = b"".join(self._chunks) + self.request._parse_body() + self.request_callback(self.request) + + def on_connection_close(self) -> None: + del self._chunks + + +class _HTTPRequestContext(object): + def __init__( + self, + stream: iostream.IOStream, + address: Tuple, + protocol: Optional[str], + trusted_downstream: List[str] = None, + ) -> None: + self.address = address + # Save the socket's address family now so we know how to + # interpret self.address even after the stream is closed + # and its socket attribute replaced with None. + if stream.socket is not None: + self.address_family = stream.socket.family + else: + self.address_family = None + # In HTTPServerRequest we want an IP, not a full socket address. + if ( + self.address_family in (socket.AF_INET, socket.AF_INET6) + and address is not None + ): + self.remote_ip = address[0] + else: + # Unix (or other) socket; fake the remote address. + self.remote_ip = "0.0.0.0" + if protocol: + self.protocol = protocol + elif isinstance(stream, iostream.SSLIOStream): + self.protocol = "https" + else: + self.protocol = "http" + self._orig_remote_ip = self.remote_ip + self._orig_protocol = self.protocol + self.trusted_downstream = set(trusted_downstream or []) + + def __str__(self) -> str: + if self.address_family in (socket.AF_INET, socket.AF_INET6): + return self.remote_ip + elif isinstance(self.address, bytes): + # Python 3 with the -bb option warns about str(bytes), + # so convert it explicitly. + # Unix socket addresses are str on mac but bytes on linux. + return native_str(self.address) + else: + return str(self.address) + + def _apply_xheaders(self, headers: httputil.HTTPHeaders) -> None: + """Rewrite the ``remote_ip`` and ``protocol`` fields.""" + # Squid uses X-Forwarded-For, others use X-Real-Ip + ip = headers.get("X-Forwarded-For", self.remote_ip) + # Skip trusted downstream hosts in X-Forwarded-For list + for ip in (cand.strip() for cand in reversed(ip.split(","))): + if ip not in self.trusted_downstream: + break + ip = headers.get("X-Real-Ip", ip) + if netutil.is_valid_ip(ip): + self.remote_ip = ip + # AWS uses X-Forwarded-Proto + proto_header = headers.get( + "X-Scheme", headers.get("X-Forwarded-Proto", self.protocol) + ) + if proto_header: + # use only the last proto entry if there is more than one + # TODO: support trusting mutiple layers of proxied protocol + proto_header = proto_header.split(",")[-1].strip() + if proto_header in ("http", "https"): + self.protocol = proto_header + + def _unapply_xheaders(self) -> None: + """Undo changes from `_apply_xheaders`. + + Xheaders are per-request so they should not leak to the next + request on the same connection. + """ + self.remote_ip = self._orig_remote_ip + self.protocol = self._orig_protocol + + +class _ProxyAdapter(httputil.HTTPMessageDelegate): + def __init__( + self, + delegate: httputil.HTTPMessageDelegate, + request_conn: httputil.HTTPConnection, + ) -> None: + self.connection = request_conn + self.delegate = delegate + + def headers_received( + self, + start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine], + headers: httputil.HTTPHeaders, + ) -> Optional[Awaitable[None]]: + # TODO: either make context an official part of the + # HTTPConnection interface or figure out some other way to do this. + self.connection.context._apply_xheaders(headers) # type: ignore + return self.delegate.headers_received(start_line, headers) + + def data_received(self, chunk: bytes) -> Optional[Awaitable[None]]: + return self.delegate.data_received(chunk) + + def finish(self) -> None: + self.delegate.finish() + self._cleanup() + + def on_connection_close(self) -> None: + self.delegate.on_connection_close() + self._cleanup() + + def _cleanup(self) -> None: + self.connection.context._unapply_xheaders() # type: ignore + + +HTTPRequest = httputil.HTTPServerRequest diff --git a/venv/lib/python3.7/site-packages/tornado/httputil.py b/venv/lib/python3.7/site-packages/tornado/httputil.py new file mode 100644 index 0000000..835327d --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/httputil.py @@ -0,0 +1,1144 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""HTTP utility code shared by clients and servers. + +This module also defines the `HTTPServerRequest` class which is exposed +via `tornado.web.RequestHandler.request`. +""" + +import calendar +import collections +import copy +import datetime +import email.utils +from http.client import responses +import http.cookies +import re +from ssl import SSLError +import time +import unicodedata +from urllib.parse import urlencode, urlparse, urlunparse, parse_qsl + +from tornado.escape import native_str, parse_qs_bytes, utf8 +from tornado.log import gen_log +from tornado.util import ObjectDict, unicode_type + + +# responses is unused in this file, but we re-export it to other files. +# Reference it so pyflakes doesn't complain. +responses + +import typing +from typing import ( + Tuple, + Iterable, + List, + Mapping, + Iterator, + Dict, + Union, + Optional, + Awaitable, + Generator, + AnyStr, +) + +if typing.TYPE_CHECKING: + from typing import Deque # noqa: F401 + from asyncio import Future # noqa: F401 + import unittest # noqa: F401 + + +# RFC 7230 section 3.5: a recipient MAY recognize a single LF as a line +# terminator and ignore any preceding CR. +_CRLF_RE = re.compile(r"\r?\n") + + +class _NormalizedHeaderCache(dict): + """Dynamic cached mapping of header names to Http-Header-Case. + + Implemented as a dict subclass so that cache hits are as fast as a + normal dict lookup, without the overhead of a python function + call. + + >>> normalized_headers = _NormalizedHeaderCache(10) + >>> normalized_headers["coNtent-TYPE"] + 'Content-Type' + """ + + def __init__(self, size: int) -> None: + super(_NormalizedHeaderCache, self).__init__() + self.size = size + self.queue = collections.deque() # type: Deque[str] + + def __missing__(self, key: str) -> str: + normalized = "-".join([w.capitalize() for w in key.split("-")]) + self[key] = normalized + self.queue.append(key) + if len(self.queue) > self.size: + # Limit the size of the cache. LRU would be better, but this + # simpler approach should be fine. In Python 2.7+ we could + # use OrderedDict (or in 3.2+, @functools.lru_cache). + old_key = self.queue.popleft() + del self[old_key] + return normalized + + +_normalized_headers = _NormalizedHeaderCache(1000) + + +class HTTPHeaders(collections.abc.MutableMapping): + """A dictionary that maintains ``Http-Header-Case`` for all keys. + + Supports multiple values per key via a pair of new methods, + `add()` and `get_list()`. The regular dictionary interface + returns a single value per key, with multiple values joined by a + comma. + + >>> h = HTTPHeaders({"content-type": "text/html"}) + >>> list(h.keys()) + ['Content-Type'] + >>> h["Content-Type"] + 'text/html' + + >>> h.add("Set-Cookie", "A=B") + >>> h.add("Set-Cookie", "C=D") + >>> h["set-cookie"] + 'A=B,C=D' + >>> h.get_list("set-cookie") + ['A=B', 'C=D'] + + >>> for (k,v) in sorted(h.get_all()): + ... print('%s: %s' % (k,v)) + ... + Content-Type: text/html + Set-Cookie: A=B + Set-Cookie: C=D + """ + + @typing.overload + def __init__(self, __arg: Mapping[str, List[str]]) -> None: + pass + + @typing.overload # noqa: F811 + def __init__(self, __arg: Mapping[str, str]) -> None: + pass + + @typing.overload # noqa: F811 + def __init__(self, *args: Tuple[str, str]) -> None: + pass + + @typing.overload # noqa: F811 + def __init__(self, **kwargs: str) -> None: + pass + + def __init__(self, *args: typing.Any, **kwargs: str) -> None: # noqa: F811 + self._dict = {} # type: typing.Dict[str, str] + self._as_list = {} # type: typing.Dict[str, typing.List[str]] + self._last_key = None + if len(args) == 1 and len(kwargs) == 0 and isinstance(args[0], HTTPHeaders): + # Copy constructor + for k, v in args[0].get_all(): + self.add(k, v) + else: + # Dict-style initialization + self.update(*args, **kwargs) + + # new public methods + + def add(self, name: str, value: str) -> None: + """Adds a new value for the given key.""" + norm_name = _normalized_headers[name] + self._last_key = norm_name + if norm_name in self: + self._dict[norm_name] = ( + native_str(self[norm_name]) + "," + native_str(value) + ) + self._as_list[norm_name].append(value) + else: + self[norm_name] = value + + def get_list(self, name: str) -> List[str]: + """Returns all values for the given header as a list.""" + norm_name = _normalized_headers[name] + return self._as_list.get(norm_name, []) + + def get_all(self) -> Iterable[Tuple[str, str]]: + """Returns an iterable of all (name, value) pairs. + + If a header has multiple values, multiple pairs will be + returned with the same name. + """ + for name, values in self._as_list.items(): + for value in values: + yield (name, value) + + def parse_line(self, line: str) -> None: + """Updates the dictionary with a single header line. + + >>> h = HTTPHeaders() + >>> h.parse_line("Content-Type: text/html") + >>> h.get('content-type') + 'text/html' + """ + if line[0].isspace(): + # continuation of a multi-line header + if self._last_key is None: + raise HTTPInputError("first header line cannot start with whitespace") + new_part = " " + line.lstrip() + self._as_list[self._last_key][-1] += new_part + self._dict[self._last_key] += new_part + else: + try: + name, value = line.split(":", 1) + except ValueError: + raise HTTPInputError("no colon in header line") + self.add(name, value.strip()) + + @classmethod + def parse(cls, headers: str) -> "HTTPHeaders": + """Returns a dictionary from HTTP header text. + + >>> h = HTTPHeaders.parse("Content-Type: text/html\\r\\nContent-Length: 42\\r\\n") + >>> sorted(h.items()) + [('Content-Length', '42'), ('Content-Type', 'text/html')] + + .. versionchanged:: 5.1 + + Raises `HTTPInputError` on malformed headers instead of a + mix of `KeyError`, and `ValueError`. + + """ + h = cls() + for line in _CRLF_RE.split(headers): + if line: + h.parse_line(line) + return h + + # MutableMapping abstract method implementations. + + def __setitem__(self, name: str, value: str) -> None: + norm_name = _normalized_headers[name] + self._dict[norm_name] = value + self._as_list[norm_name] = [value] + + def __getitem__(self, name: str) -> str: + return self._dict[_normalized_headers[name]] + + def __delitem__(self, name: str) -> None: + norm_name = _normalized_headers[name] + del self._dict[norm_name] + del self._as_list[norm_name] + + def __len__(self) -> int: + return len(self._dict) + + def __iter__(self) -> Iterator[typing.Any]: + return iter(self._dict) + + def copy(self) -> "HTTPHeaders": + # defined in dict but not in MutableMapping. + return HTTPHeaders(self) + + # Use our overridden copy method for the copy.copy module. + # This makes shallow copies one level deeper, but preserves + # the appearance that HTTPHeaders is a single container. + __copy__ = copy + + def __str__(self) -> str: + lines = [] + for name, value in self.get_all(): + lines.append("%s: %s\n" % (name, value)) + return "".join(lines) + + __unicode__ = __str__ + + +class HTTPServerRequest(object): + """A single HTTP request. + + All attributes are type `str` unless otherwise noted. + + .. attribute:: method + + HTTP request method, e.g. "GET" or "POST" + + .. attribute:: uri + + The requested uri. + + .. attribute:: path + + The path portion of `uri` + + .. attribute:: query + + The query portion of `uri` + + .. attribute:: version + + HTTP version specified in request, e.g. "HTTP/1.1" + + .. attribute:: headers + + `.HTTPHeaders` dictionary-like object for request headers. Acts like + a case-insensitive dictionary with additional methods for repeated + headers. + + .. attribute:: body + + Request body, if present, as a byte string. + + .. attribute:: remote_ip + + Client's IP address as a string. If ``HTTPServer.xheaders`` is set, + will pass along the real IP address provided by a load balancer + in the ``X-Real-Ip`` or ``X-Forwarded-For`` header. + + .. versionchanged:: 3.1 + The list format of ``X-Forwarded-For`` is now supported. + + .. attribute:: protocol + + The protocol used, either "http" or "https". If ``HTTPServer.xheaders`` + is set, will pass along the protocol used by a load balancer if + reported via an ``X-Scheme`` header. + + .. attribute:: host + + The requested hostname, usually taken from the ``Host`` header. + + .. attribute:: arguments + + GET/POST arguments are available in the arguments property, which + maps arguments names to lists of values (to support multiple values + for individual names). Names are of type `str`, while arguments + are byte strings. Note that this is different from + `.RequestHandler.get_argument`, which returns argument values as + unicode strings. + + .. attribute:: query_arguments + + Same format as ``arguments``, but contains only arguments extracted + from the query string. + + .. versionadded:: 3.2 + + .. attribute:: body_arguments + + Same format as ``arguments``, but contains only arguments extracted + from the request body. + + .. versionadded:: 3.2 + + .. attribute:: files + + File uploads are available in the files property, which maps file + names to lists of `.HTTPFile`. + + .. attribute:: connection + + An HTTP request is attached to a single HTTP connection, which can + be accessed through the "connection" attribute. Since connections + are typically kept open in HTTP/1.1, multiple requests can be handled + sequentially on a single connection. + + .. versionchanged:: 4.0 + Moved from ``tornado.httpserver.HTTPRequest``. + """ + + path = None # type: str + query = None # type: str + + # HACK: Used for stream_request_body + _body_future = None # type: Future[None] + + def __init__( + self, + method: str = None, + uri: str = None, + version: str = "HTTP/1.0", + headers: HTTPHeaders = None, + body: bytes = None, + host: str = None, + files: Dict[str, List["HTTPFile"]] = None, + connection: "HTTPConnection" = None, + start_line: "RequestStartLine" = None, + server_connection: object = None, + ) -> None: + if start_line is not None: + method, uri, version = start_line + self.method = method + self.uri = uri + self.version = version + self.headers = headers or HTTPHeaders() + self.body = body or b"" + + # set remote IP and protocol + context = getattr(connection, "context", None) + self.remote_ip = getattr(context, "remote_ip", None) + self.protocol = getattr(context, "protocol", "http") + + self.host = host or self.headers.get("Host") or "127.0.0.1" + self.host_name = split_host_and_port(self.host.lower())[0] + self.files = files or {} + self.connection = connection + self.server_connection = server_connection + self._start_time = time.time() + self._finish_time = None + + if uri is not None: + self.path, sep, self.query = uri.partition("?") + self.arguments = parse_qs_bytes(self.query, keep_blank_values=True) + self.query_arguments = copy.deepcopy(self.arguments) + self.body_arguments = {} # type: Dict[str, List[bytes]] + + @property + def cookies(self) -> Dict[str, http.cookies.Morsel]: + """A dictionary of ``http.cookies.Morsel`` objects.""" + if not hasattr(self, "_cookies"): + self._cookies = http.cookies.SimpleCookie() + if "Cookie" in self.headers: + try: + parsed = parse_cookie(self.headers["Cookie"]) + except Exception: + pass + else: + for k, v in parsed.items(): + try: + self._cookies[k] = v + except Exception: + # SimpleCookie imposes some restrictions on keys; + # parse_cookie does not. Discard any cookies + # with disallowed keys. + pass + return self._cookies + + def full_url(self) -> str: + """Reconstructs the full URL for this request.""" + return self.protocol + "://" + self.host + self.uri + + def request_time(self) -> float: + """Returns the amount of time it took for this request to execute.""" + if self._finish_time is None: + return time.time() - self._start_time + else: + return self._finish_time - self._start_time + + def get_ssl_certificate( + self, binary_form: bool = False + ) -> Union[None, Dict, bytes]: + """Returns the client's SSL certificate, if any. + + To use client certificates, the HTTPServer's + `ssl.SSLContext.verify_mode` field must be set, e.g.:: + + ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) + ssl_ctx.load_cert_chain("foo.crt", "foo.key") + ssl_ctx.load_verify_locations("cacerts.pem") + ssl_ctx.verify_mode = ssl.CERT_REQUIRED + server = HTTPServer(app, ssl_options=ssl_ctx) + + By default, the return value is a dictionary (or None, if no + client certificate is present). If ``binary_form`` is true, a + DER-encoded form of the certificate is returned instead. See + SSLSocket.getpeercert() in the standard library for more + details. + http://docs.python.org/library/ssl.html#sslsocket-objects + """ + try: + if self.connection is None: + return None + # TODO: add a method to HTTPConnection for this so it can work with HTTP/2 + return self.connection.stream.socket.getpeercert( # type: ignore + binary_form=binary_form + ) + except SSLError: + return None + + def _parse_body(self) -> None: + parse_body_arguments( + self.headers.get("Content-Type", ""), + self.body, + self.body_arguments, + self.files, + self.headers, + ) + + for k, v in self.body_arguments.items(): + self.arguments.setdefault(k, []).extend(v) + + def __repr__(self) -> str: + attrs = ("protocol", "host", "method", "uri", "version", "remote_ip") + args = ", ".join(["%s=%r" % (n, getattr(self, n)) for n in attrs]) + return "%s(%s)" % (self.__class__.__name__, args) + + +class HTTPInputError(Exception): + """Exception class for malformed HTTP requests or responses + from remote sources. + + .. versionadded:: 4.0 + """ + + pass + + +class HTTPOutputError(Exception): + """Exception class for errors in HTTP output. + + .. versionadded:: 4.0 + """ + + pass + + +class HTTPServerConnectionDelegate(object): + """Implement this interface to handle requests from `.HTTPServer`. + + .. versionadded:: 4.0 + """ + + def start_request( + self, server_conn: object, request_conn: "HTTPConnection" + ) -> "HTTPMessageDelegate": + """This method is called by the server when a new request has started. + + :arg server_conn: is an opaque object representing the long-lived + (e.g. tcp-level) connection. + :arg request_conn: is a `.HTTPConnection` object for a single + request/response exchange. + + This method should return a `.HTTPMessageDelegate`. + """ + raise NotImplementedError() + + def on_close(self, server_conn: object) -> None: + """This method is called when a connection has been closed. + + :arg server_conn: is a server connection that has previously been + passed to ``start_request``. + """ + pass + + +class HTTPMessageDelegate(object): + """Implement this interface to handle an HTTP request or response. + + .. versionadded:: 4.0 + """ + + # TODO: genericize this class to avoid exposing the Union. + def headers_received( + self, + start_line: Union["RequestStartLine", "ResponseStartLine"], + headers: HTTPHeaders, + ) -> Optional[Awaitable[None]]: + """Called when the HTTP headers have been received and parsed. + + :arg start_line: a `.RequestStartLine` or `.ResponseStartLine` + depending on whether this is a client or server message. + :arg headers: a `.HTTPHeaders` instance. + + Some `.HTTPConnection` methods can only be called during + ``headers_received``. + + May return a `.Future`; if it does the body will not be read + until it is done. + """ + pass + + def data_received(self, chunk: bytes) -> Optional[Awaitable[None]]: + """Called when a chunk of data has been received. + + May return a `.Future` for flow control. + """ + pass + + def finish(self) -> None: + """Called after the last chunk of data has been received.""" + pass + + def on_connection_close(self) -> None: + """Called if the connection is closed without finishing the request. + + If ``headers_received`` is called, either ``finish`` or + ``on_connection_close`` will be called, but not both. + """ + pass + + +class HTTPConnection(object): + """Applications use this interface to write their responses. + + .. versionadded:: 4.0 + """ + + def write_headers( + self, + start_line: Union["RequestStartLine", "ResponseStartLine"], + headers: HTTPHeaders, + chunk: bytes = None, + ) -> "Future[None]": + """Write an HTTP header block. + + :arg start_line: a `.RequestStartLine` or `.ResponseStartLine`. + :arg headers: a `.HTTPHeaders` instance. + :arg chunk: the first (optional) chunk of data. This is an optimization + so that small responses can be written in the same call as their + headers. + + The ``version`` field of ``start_line`` is ignored. + + Returns a future for flow control. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. + """ + raise NotImplementedError() + + def write(self, chunk: bytes) -> "Future[None]": + """Writes a chunk of body data. + + Returns a future for flow control. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. + """ + raise NotImplementedError() + + def finish(self) -> None: + """Indicates that the last body data has been written. + """ + raise NotImplementedError() + + +def url_concat( + url: str, + args: Union[ + None, Dict[str, str], List[Tuple[str, str]], Tuple[Tuple[str, str], ...] + ], +) -> str: + """Concatenate url and arguments regardless of whether + url has existing query parameters. + + ``args`` may be either a dictionary or a list of key-value pairs + (the latter allows for multiple values with the same key. + + >>> url_concat("http://example.com/foo", dict(c="d")) + 'http://example.com/foo?c=d' + >>> url_concat("http://example.com/foo?a=b", dict(c="d")) + 'http://example.com/foo?a=b&c=d' + >>> url_concat("http://example.com/foo?a=b", [("c", "d"), ("c", "d2")]) + 'http://example.com/foo?a=b&c=d&c=d2' + """ + if args is None: + return url + parsed_url = urlparse(url) + if isinstance(args, dict): + parsed_query = parse_qsl(parsed_url.query, keep_blank_values=True) + parsed_query.extend(args.items()) + elif isinstance(args, list) or isinstance(args, tuple): + parsed_query = parse_qsl(parsed_url.query, keep_blank_values=True) + parsed_query.extend(args) + else: + err = "'args' parameter should be dict, list or tuple. Not {0}".format( + type(args) + ) + raise TypeError(err) + final_query = urlencode(parsed_query) + url = urlunparse( + ( + parsed_url[0], + parsed_url[1], + parsed_url[2], + parsed_url[3], + final_query, + parsed_url[5], + ) + ) + return url + + +class HTTPFile(ObjectDict): + """Represents a file uploaded via a form. + + For backwards compatibility, its instance attributes are also + accessible as dictionary keys. + + * ``filename`` + * ``body`` + * ``content_type`` + """ + + pass + + +def _parse_request_range( + range_header: str +) -> Optional[Tuple[Optional[int], Optional[int]]]: + """Parses a Range header. + + Returns either ``None`` or tuple ``(start, end)``. + Note that while the HTTP headers use inclusive byte positions, + this method returns indexes suitable for use in slices. + + >>> start, end = _parse_request_range("bytes=1-2") + >>> start, end + (1, 3) + >>> [0, 1, 2, 3, 4][start:end] + [1, 2] + >>> _parse_request_range("bytes=6-") + (6, None) + >>> _parse_request_range("bytes=-6") + (-6, None) + >>> _parse_request_range("bytes=-0") + (None, 0) + >>> _parse_request_range("bytes=") + (None, None) + >>> _parse_request_range("foo=42") + >>> _parse_request_range("bytes=1-2,6-10") + + Note: only supports one range (ex, ``bytes=1-2,6-10`` is not allowed). + + See [0] for the details of the range header. + + [0]: http://greenbytes.de/tech/webdav/draft-ietf-httpbis-p5-range-latest.html#byte.ranges + """ + unit, _, value = range_header.partition("=") + unit, value = unit.strip(), value.strip() + if unit != "bytes": + return None + start_b, _, end_b = value.partition("-") + try: + start = _int_or_none(start_b) + end = _int_or_none(end_b) + except ValueError: + return None + if end is not None: + if start is None: + if end != 0: + start = -end + end = None + else: + end += 1 + return (start, end) + + +def _get_content_range(start: Optional[int], end: Optional[int], total: int) -> str: + """Returns a suitable Content-Range header: + + >>> print(_get_content_range(None, 1, 4)) + bytes 0-0/4 + >>> print(_get_content_range(1, 3, 4)) + bytes 1-2/4 + >>> print(_get_content_range(None, None, 4)) + bytes 0-3/4 + """ + start = start or 0 + end = (end or total) - 1 + return "bytes %s-%s/%s" % (start, end, total) + + +def _int_or_none(val: str) -> Optional[int]: + val = val.strip() + if val == "": + return None + return int(val) + + +def parse_body_arguments( + content_type: str, + body: bytes, + arguments: Dict[str, List[bytes]], + files: Dict[str, List[HTTPFile]], + headers: HTTPHeaders = None, +) -> None: + """Parses a form request body. + + Supports ``application/x-www-form-urlencoded`` and + ``multipart/form-data``. The ``content_type`` parameter should be + a string and ``body`` should be a byte string. The ``arguments`` + and ``files`` parameters are dictionaries that will be updated + with the parsed contents. + """ + if content_type.startswith("application/x-www-form-urlencoded"): + if headers and "Content-Encoding" in headers: + gen_log.warning( + "Unsupported Content-Encoding: %s", headers["Content-Encoding"] + ) + return + try: + uri_arguments = parse_qs_bytes(native_str(body), keep_blank_values=True) + except Exception as e: + gen_log.warning("Invalid x-www-form-urlencoded body: %s", e) + uri_arguments = {} + for name, values in uri_arguments.items(): + if values: + arguments.setdefault(name, []).extend(values) + elif content_type.startswith("multipart/form-data"): + if headers and "Content-Encoding" in headers: + gen_log.warning( + "Unsupported Content-Encoding: %s", headers["Content-Encoding"] + ) + return + try: + fields = content_type.split(";") + for field in fields: + k, sep, v = field.strip().partition("=") + if k == "boundary" and v: + parse_multipart_form_data(utf8(v), body, arguments, files) + break + else: + raise ValueError("multipart boundary not found") + except Exception as e: + gen_log.warning("Invalid multipart/form-data: %s", e) + + +def parse_multipart_form_data( + boundary: bytes, + data: bytes, + arguments: Dict[str, List[bytes]], + files: Dict[str, List[HTTPFile]], +) -> None: + """Parses a ``multipart/form-data`` body. + + The ``boundary`` and ``data`` parameters are both byte strings. + The dictionaries given in the arguments and files parameters + will be updated with the contents of the body. + + .. versionchanged:: 5.1 + + Now recognizes non-ASCII filenames in RFC 2231/5987 + (``filename*=``) format. + """ + # The standard allows for the boundary to be quoted in the header, + # although it's rare (it happens at least for google app engine + # xmpp). I think we're also supposed to handle backslash-escapes + # here but I'll save that until we see a client that uses them + # in the wild. + if boundary.startswith(b'"') and boundary.endswith(b'"'): + boundary = boundary[1:-1] + final_boundary_index = data.rfind(b"--" + boundary + b"--") + if final_boundary_index == -1: + gen_log.warning("Invalid multipart/form-data: no final boundary") + return + parts = data[:final_boundary_index].split(b"--" + boundary + b"\r\n") + for part in parts: + if not part: + continue + eoh = part.find(b"\r\n\r\n") + if eoh == -1: + gen_log.warning("multipart/form-data missing headers") + continue + headers = HTTPHeaders.parse(part[:eoh].decode("utf-8")) + disp_header = headers.get("Content-Disposition", "") + disposition, disp_params = _parse_header(disp_header) + if disposition != "form-data" or not part.endswith(b"\r\n"): + gen_log.warning("Invalid multipart/form-data") + continue + value = part[eoh + 4 : -2] + if not disp_params.get("name"): + gen_log.warning("multipart/form-data value missing name") + continue + name = disp_params["name"] + if disp_params.get("filename"): + ctype = headers.get("Content-Type", "application/unknown") + files.setdefault(name, []).append( + HTTPFile( + filename=disp_params["filename"], body=value, content_type=ctype + ) + ) + else: + arguments.setdefault(name, []).append(value) + + +def format_timestamp( + ts: Union[int, float, tuple, time.struct_time, datetime.datetime] +) -> str: + """Formats a timestamp in the format used by HTTP. + + The argument may be a numeric timestamp as returned by `time.time`, + a time tuple as returned by `time.gmtime`, or a `datetime.datetime` + object. + + >>> format_timestamp(1359312200) + 'Sun, 27 Jan 2013 18:43:20 GMT' + """ + if isinstance(ts, (int, float)): + time_num = ts + elif isinstance(ts, (tuple, time.struct_time)): + time_num = calendar.timegm(ts) + elif isinstance(ts, datetime.datetime): + time_num = calendar.timegm(ts.utctimetuple()) + else: + raise TypeError("unknown timestamp type: %r" % ts) + return email.utils.formatdate(time_num, usegmt=True) + + +RequestStartLine = collections.namedtuple( + "RequestStartLine", ["method", "path", "version"] +) + + +def parse_request_start_line(line: str) -> RequestStartLine: + """Returns a (method, path, version) tuple for an HTTP 1.x request line. + + The response is a `collections.namedtuple`. + + >>> parse_request_start_line("GET /foo HTTP/1.1") + RequestStartLine(method='GET', path='/foo', version='HTTP/1.1') + """ + try: + method, path, version = line.split(" ") + except ValueError: + # https://tools.ietf.org/html/rfc7230#section-3.1.1 + # invalid request-line SHOULD respond with a 400 (Bad Request) + raise HTTPInputError("Malformed HTTP request line") + if not re.match(r"^HTTP/1\.[0-9]$", version): + raise HTTPInputError( + "Malformed HTTP version in HTTP Request-Line: %r" % version + ) + return RequestStartLine(method, path, version) + + +ResponseStartLine = collections.namedtuple( + "ResponseStartLine", ["version", "code", "reason"] +) + + +def parse_response_start_line(line: str) -> ResponseStartLine: + """Returns a (version, code, reason) tuple for an HTTP 1.x response line. + + The response is a `collections.namedtuple`. + + >>> parse_response_start_line("HTTP/1.1 200 OK") + ResponseStartLine(version='HTTP/1.1', code=200, reason='OK') + """ + line = native_str(line) + match = re.match("(HTTP/1.[0-9]) ([0-9]+) ([^\r]*)", line) + if not match: + raise HTTPInputError("Error parsing response start line") + return ResponseStartLine(match.group(1), int(match.group(2)), match.group(3)) + + +# _parseparam and _parse_header are copied and modified from python2.7's cgi.py +# The original 2.7 version of this code did not correctly support some +# combinations of semicolons and double quotes. +# It has also been modified to support valueless parameters as seen in +# websocket extension negotiations, and to support non-ascii values in +# RFC 2231/5987 format. + + +def _parseparam(s: str) -> Generator[str, None, None]: + while s[:1] == ";": + s = s[1:] + end = s.find(";") + while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2: + end = s.find(";", end + 1) + if end < 0: + end = len(s) + f = s[:end] + yield f.strip() + s = s[end:] + + +def _parse_header(line: str) -> Tuple[str, Dict[str, str]]: + r"""Parse a Content-type like header. + + Return the main content-type and a dictionary of options. + + >>> d = "form-data; foo=\"b\\\\a\\\"r\"; file*=utf-8''T%C3%A4st" + >>> ct, d = _parse_header(d) + >>> ct + 'form-data' + >>> d['file'] == r'T\u00e4st'.encode('ascii').decode('unicode_escape') + True + >>> d['foo'] + 'b\\a"r' + """ + parts = _parseparam(";" + line) + key = next(parts) + # decode_params treats first argument special, but we already stripped key + params = [("Dummy", "value")] + for p in parts: + i = p.find("=") + if i >= 0: + name = p[:i].strip().lower() + value = p[i + 1 :].strip() + params.append((name, native_str(value))) + decoded_params = email.utils.decode_params(params) + decoded_params.pop(0) # get rid of the dummy again + pdict = {} + for name, decoded_value in decoded_params: + value = email.utils.collapse_rfc2231_value(decoded_value) + if len(value) >= 2 and value[0] == '"' and value[-1] == '"': + value = value[1:-1] + pdict[name] = value + return key, pdict + + +def _encode_header(key: str, pdict: Dict[str, str]) -> str: + """Inverse of _parse_header. + + >>> _encode_header('permessage-deflate', + ... {'client_max_window_bits': 15, 'client_no_context_takeover': None}) + 'permessage-deflate; client_max_window_bits=15; client_no_context_takeover' + """ + if not pdict: + return key + out = [key] + # Sort the parameters just to make it easy to test. + for k, v in sorted(pdict.items()): + if v is None: + out.append(k) + else: + # TODO: quote if necessary. + out.append("%s=%s" % (k, v)) + return "; ".join(out) + + +def encode_username_password( + username: Union[str, bytes], password: Union[str, bytes] +) -> bytes: + """Encodes a username/password pair in the format used by HTTP auth. + + The return value is a byte string in the form ``username:password``. + + .. versionadded:: 5.1 + """ + if isinstance(username, unicode_type): + username = unicodedata.normalize("NFC", username) + if isinstance(password, unicode_type): + password = unicodedata.normalize("NFC", password) + return utf8(username) + b":" + utf8(password) + + +def doctests(): + # type: () -> unittest.TestSuite + import doctest + + return doctest.DocTestSuite() + + +def split_host_and_port(netloc: str) -> Tuple[str, Optional[int]]: + """Returns ``(host, port)`` tuple from ``netloc``. + + Returned ``port`` will be ``None`` if not present. + + .. versionadded:: 4.1 + """ + match = re.match(r"^(.+):(\d+)$", netloc) + if match: + host = match.group(1) + port = int(match.group(2)) # type: Optional[int] + else: + host = netloc + port = None + return (host, port) + + +def qs_to_qsl(qs: Dict[str, List[AnyStr]]) -> Iterable[Tuple[str, AnyStr]]: + """Generator converting a result of ``parse_qs`` back to name-value pairs. + + .. versionadded:: 5.0 + """ + for k, vs in qs.items(): + for v in vs: + yield (k, v) + + +_OctalPatt = re.compile(r"\\[0-3][0-7][0-7]") +_QuotePatt = re.compile(r"[\\].") +_nulljoin = "".join + + +def _unquote_cookie(s: str) -> str: + """Handle double quotes and escaping in cookie values. + + This method is copied verbatim from the Python 3.5 standard + library (http.cookies._unquote) so we don't have to depend on + non-public interfaces. + """ + # If there aren't any doublequotes, + # then there can't be any special characters. See RFC 2109. + if s is None or len(s) < 2: + return s + if s[0] != '"' or s[-1] != '"': + return s + + # We have to assume that we must decode this string. + # Down to work. + + # Remove the "s + s = s[1:-1] + + # Check for special sequences. Examples: + # \012 --> \n + # \" --> " + # + i = 0 + n = len(s) + res = [] + while 0 <= i < n: + o_match = _OctalPatt.search(s, i) + q_match = _QuotePatt.search(s, i) + if not o_match and not q_match: # Neither matched + res.append(s[i:]) + break + # else: + j = k = -1 + if o_match: + j = o_match.start(0) + if q_match: + k = q_match.start(0) + if q_match and (not o_match or k < j): # QuotePatt matched + res.append(s[i:k]) + res.append(s[k + 1]) + i = k + 2 + else: # OctalPatt matched + res.append(s[i:j]) + res.append(chr(int(s[j + 1 : j + 4], 8))) + i = j + 4 + return _nulljoin(res) + + +def parse_cookie(cookie: str) -> Dict[str, str]: + """Parse a ``Cookie`` HTTP header into a dict of name/value pairs. + + This function attempts to mimic browser cookie parsing behavior; + it specifically does not follow any of the cookie-related RFCs + (because browsers don't either). + + The algorithm used is identical to that used by Django version 1.9.10. + + .. versionadded:: 4.4.2 + """ + cookiedict = {} + for chunk in cookie.split(str(";")): + if str("=") in chunk: + key, val = chunk.split(str("="), 1) + else: + # Assume an empty name per + # https://bugzilla.mozilla.org/show_bug.cgi?id=169091 + key, val = str(""), chunk + key, val = key.strip(), val.strip() + if key or val: + # unquote using Python's algorithm. + cookiedict[key] = _unquote_cookie(val) + return cookiedict diff --git a/venv/lib/python3.7/site-packages/tornado/ioloop.py b/venv/lib/python3.7/site-packages/tornado/ioloop.py new file mode 100644 index 0000000..02794cb --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/ioloop.py @@ -0,0 +1,946 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""An I/O event loop for non-blocking sockets. + +In Tornado 6.0, `.IOLoop` is a wrapper around the `asyncio` event +loop, with a slightly different interface for historical reasons. +Applications can use either the `.IOLoop` interface or the underlying +`asyncio` event loop directly (unless compatibility with older +versions of Tornado is desired, in which case `.IOLoop` must be used). + +Typical applications will use a single `IOLoop` object, accessed via +`IOLoop.current` class method. The `IOLoop.start` method (or +equivalently, `asyncio.AbstractEventLoop.run_forever`) should usually +be called at the end of the ``main()`` function. Atypical applications +may use more than one `IOLoop`, such as one `IOLoop` per thread, or +per `unittest` case. + +""" + +import asyncio +import concurrent.futures +import datetime +import functools +import logging +import numbers +import os +import sys +import time +import math +import random + +from tornado.concurrent import ( + Future, + is_future, + chain_future, + future_set_exc_info, + future_add_done_callback, +) +from tornado.log import app_log +from tornado.util import Configurable, TimeoutError, import_object + +import typing +from typing import Union, Any, Type, Optional, Callable, TypeVar, Tuple, Awaitable + +if typing.TYPE_CHECKING: + from typing import Dict, List # noqa: F401 + + from typing_extensions import Protocol +else: + Protocol = object + + +class _Selectable(Protocol): + def fileno(self) -> int: + pass + + def close(self) -> None: + pass + + +_T = TypeVar("_T") +_S = TypeVar("_S", bound=_Selectable) + + +class IOLoop(Configurable): + """An I/O event loop. + + As of Tornado 6.0, `IOLoop` is a wrapper around the `asyncio` event + loop. + + Example usage for a simple TCP server: + + .. testcode:: + + import errno + import functools + import socket + + import tornado.ioloop + from tornado.iostream import IOStream + + async def handle_connection(connection, address): + stream = IOStream(connection) + message = await stream.read_until_close() + print("message from client:", message.decode().strip()) + + def connection_ready(sock, fd, events): + while True: + try: + connection, address = sock.accept() + except socket.error as e: + if e.args[0] not in (errno.EWOULDBLOCK, errno.EAGAIN): + raise + return + connection.setblocking(0) + io_loop = tornado.ioloop.IOLoop.current() + io_loop.spawn_callback(handle_connection, connection, address) + + if __name__ == '__main__': + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + sock.setblocking(0) + sock.bind(("", 8888)) + sock.listen(128) + + io_loop = tornado.ioloop.IOLoop.current() + callback = functools.partial(connection_ready, sock) + io_loop.add_handler(sock.fileno(), callback, io_loop.READ) + io_loop.start() + + .. testoutput:: + :hide: + + By default, a newly-constructed `IOLoop` becomes the thread's current + `IOLoop`, unless there already is a current `IOLoop`. This behavior + can be controlled with the ``make_current`` argument to the `IOLoop` + constructor: if ``make_current=True``, the new `IOLoop` will always + try to become current and it raises an error if there is already a + current instance. If ``make_current=False``, the new `IOLoop` will + not try to become current. + + In general, an `IOLoop` cannot survive a fork or be shared across + processes in any way. When multiple processes are being used, each + process should create its own `IOLoop`, which also implies that + any objects which depend on the `IOLoop` (such as + `.AsyncHTTPClient`) must also be created in the child processes. + As a guideline, anything that starts processes (including the + `tornado.process` and `multiprocessing` modules) should do so as + early as possible, ideally the first thing the application does + after loading its configuration in ``main()``. + + .. versionchanged:: 4.2 + Added the ``make_current`` keyword argument to the `IOLoop` + constructor. + + .. versionchanged:: 5.0 + + Uses the `asyncio` event loop by default. The + ``IOLoop.configure`` method cannot be used on Python 3 except + to redundantly specify the `asyncio` event loop. + + """ + + # These constants were originally based on constants from the epoll module. + NONE = 0 + READ = 0x001 + WRITE = 0x004 + ERROR = 0x018 + + # In Python 3, _ioloop_for_asyncio maps from asyncio loops to IOLoops. + _ioloop_for_asyncio = dict() # type: Dict[asyncio.AbstractEventLoop, IOLoop] + + @classmethod + def configure( + cls, impl: "Union[None, str, Type[Configurable]]", **kwargs: Any + ) -> None: + if asyncio is not None: + from tornado.platform.asyncio import BaseAsyncIOLoop + + if isinstance(impl, str): + impl = import_object(impl) + if isinstance(impl, type) and not issubclass(impl, BaseAsyncIOLoop): + raise RuntimeError( + "only AsyncIOLoop is allowed when asyncio is available" + ) + super(IOLoop, cls).configure(impl, **kwargs) + + @staticmethod + def instance() -> "IOLoop": + """Deprecated alias for `IOLoop.current()`. + + .. versionchanged:: 5.0 + + Previously, this method returned a global singleton + `IOLoop`, in contrast with the per-thread `IOLoop` returned + by `current()`. In nearly all cases the two were the same + (when they differed, it was generally used from non-Tornado + threads to communicate back to the main thread's `IOLoop`). + This distinction is not present in `asyncio`, so in order + to facilitate integration with that package `instance()` + was changed to be an alias to `current()`. Applications + using the cross-thread communications aspect of + `instance()` should instead set their own global variable + to point to the `IOLoop` they want to use. + + .. deprecated:: 5.0 + """ + return IOLoop.current() + + def install(self) -> None: + """Deprecated alias for `make_current()`. + + .. versionchanged:: 5.0 + + Previously, this method would set this `IOLoop` as the + global singleton used by `IOLoop.instance()`. Now that + `instance()` is an alias for `current()`, `install()` + is an alias for `make_current()`. + + .. deprecated:: 5.0 + """ + self.make_current() + + @staticmethod + def clear_instance() -> None: + """Deprecated alias for `clear_current()`. + + .. versionchanged:: 5.0 + + Previously, this method would clear the `IOLoop` used as + the global singleton by `IOLoop.instance()`. Now that + `instance()` is an alias for `current()`, + `clear_instance()` is an alias for `clear_current()`. + + .. deprecated:: 5.0 + + """ + IOLoop.clear_current() + + @typing.overload + @staticmethod + def current() -> "IOLoop": + pass + + @typing.overload # noqa: F811 + @staticmethod + def current(instance: bool = True) -> Optional["IOLoop"]: + pass + + @staticmethod # noqa: F811 + def current(instance: bool = True) -> Optional["IOLoop"]: + """Returns the current thread's `IOLoop`. + + If an `IOLoop` is currently running or has been marked as + current by `make_current`, returns that instance. If there is + no current `IOLoop` and ``instance`` is true, creates one. + + .. versionchanged:: 4.1 + Added ``instance`` argument to control the fallback to + `IOLoop.instance()`. + .. versionchanged:: 5.0 + On Python 3, control of the current `IOLoop` is delegated + to `asyncio`, with this and other methods as pass-through accessors. + The ``instance`` argument now controls whether an `IOLoop` + is created automatically when there is none, instead of + whether we fall back to `IOLoop.instance()` (which is now + an alias for this method). ``instance=False`` is deprecated, + since even if we do not create an `IOLoop`, this method + may initialize the asyncio loop. + """ + try: + loop = asyncio.get_event_loop() + except (RuntimeError, AssertionError): + if not instance: + return None + raise + try: + return IOLoop._ioloop_for_asyncio[loop] + except KeyError: + if instance: + from tornado.platform.asyncio import AsyncIOMainLoop + + current = AsyncIOMainLoop(make_current=True) # type: Optional[IOLoop] + else: + current = None + return current + + def make_current(self) -> None: + """Makes this the `IOLoop` for the current thread. + + An `IOLoop` automatically becomes current for its thread + when it is started, but it is sometimes useful to call + `make_current` explicitly before starting the `IOLoop`, + so that code run at startup time can find the right + instance. + + .. versionchanged:: 4.1 + An `IOLoop` created while there is no current `IOLoop` + will automatically become current. + + .. versionchanged:: 5.0 + This method also sets the current `asyncio` event loop. + """ + # The asyncio event loops override this method. + raise NotImplementedError() + + @staticmethod + def clear_current() -> None: + """Clears the `IOLoop` for the current thread. + + Intended primarily for use by test frameworks in between tests. + + .. versionchanged:: 5.0 + This method also clears the current `asyncio` event loop. + """ + old = IOLoop.current(instance=False) + if old is not None: + old._clear_current_hook() + if asyncio is None: + IOLoop._current.instance = None + + def _clear_current_hook(self) -> None: + """Instance method called when an IOLoop ceases to be current. + + May be overridden by subclasses as a counterpart to make_current. + """ + pass + + @classmethod + def configurable_base(cls) -> Type[Configurable]: + return IOLoop + + @classmethod + def configurable_default(cls) -> Type[Configurable]: + from tornado.platform.asyncio import AsyncIOLoop + + return AsyncIOLoop + + def initialize(self, make_current: bool = None) -> None: + if make_current is None: + if IOLoop.current(instance=False) is None: + self.make_current() + elif make_current: + current = IOLoop.current(instance=False) + # AsyncIO loops can already be current by this point. + if current is not None and current is not self: + raise RuntimeError("current IOLoop already exists") + self.make_current() + + def close(self, all_fds: bool = False) -> None: + """Closes the `IOLoop`, freeing any resources used. + + If ``all_fds`` is true, all file descriptors registered on the + IOLoop will be closed (not just the ones created by the + `IOLoop` itself). + + Many applications will only use a single `IOLoop` that runs for the + entire lifetime of the process. In that case closing the `IOLoop` + is not necessary since everything will be cleaned up when the + process exits. `IOLoop.close` is provided mainly for scenarios + such as unit tests, which create and destroy a large number of + ``IOLoops``. + + An `IOLoop` must be completely stopped before it can be closed. This + means that `IOLoop.stop()` must be called *and* `IOLoop.start()` must + be allowed to return before attempting to call `IOLoop.close()`. + Therefore the call to `close` will usually appear just after + the call to `start` rather than near the call to `stop`. + + .. versionchanged:: 3.1 + If the `IOLoop` implementation supports non-integer objects + for "file descriptors", those objects will have their + ``close`` method when ``all_fds`` is true. + """ + raise NotImplementedError() + + @typing.overload + def add_handler( + self, fd: int, handler: Callable[[int, int], None], events: int + ) -> None: + pass + + @typing.overload # noqa: F811 + def add_handler( + self, fd: _S, handler: Callable[[_S, int], None], events: int + ) -> None: + pass + + def add_handler( # noqa: F811 + self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int + ) -> None: + """Registers the given handler to receive the given events for ``fd``. + + The ``fd`` argument may either be an integer file descriptor or + a file-like object with a ``fileno()`` and ``close()`` method. + + The ``events`` argument is a bitwise or of the constants + ``IOLoop.READ``, ``IOLoop.WRITE``, and ``IOLoop.ERROR``. + + When an event occurs, ``handler(fd, events)`` will be run. + + .. versionchanged:: 4.0 + Added the ability to pass file-like objects in addition to + raw file descriptors. + """ + raise NotImplementedError() + + def update_handler(self, fd: Union[int, _Selectable], events: int) -> None: + """Changes the events we listen for ``fd``. + + .. versionchanged:: 4.0 + Added the ability to pass file-like objects in addition to + raw file descriptors. + """ + raise NotImplementedError() + + def remove_handler(self, fd: Union[int, _Selectable]) -> None: + """Stop listening for events on ``fd``. + + .. versionchanged:: 4.0 + Added the ability to pass file-like objects in addition to + raw file descriptors. + """ + raise NotImplementedError() + + def start(self) -> None: + """Starts the I/O loop. + + The loop will run until one of the callbacks calls `stop()`, which + will make the loop stop after the current event iteration completes. + """ + raise NotImplementedError() + + def _setup_logging(self) -> None: + """The IOLoop catches and logs exceptions, so it's + important that log output be visible. However, python's + default behavior for non-root loggers (prior to python + 3.2) is to print an unhelpful "no handlers could be + found" message rather than the actual log entry, so we + must explicitly configure logging if we've made it this + far without anything. + + This method should be called from start() in subclasses. + """ + if not any( + [ + logging.getLogger().handlers, + logging.getLogger("tornado").handlers, + logging.getLogger("tornado.application").handlers, + ] + ): + logging.basicConfig() + + def stop(self) -> None: + """Stop the I/O loop. + + If the event loop is not currently running, the next call to `start()` + will return immediately. + + Note that even after `stop` has been called, the `IOLoop` is not + completely stopped until `IOLoop.start` has also returned. + Some work that was scheduled before the call to `stop` may still + be run before the `IOLoop` shuts down. + """ + raise NotImplementedError() + + def run_sync(self, func: Callable, timeout: float = None) -> Any: + """Starts the `IOLoop`, runs the given function, and stops the loop. + + The function must return either an awaitable object or + ``None``. If the function returns an awaitable object, the + `IOLoop` will run until the awaitable is resolved (and + `run_sync()` will return the awaitable's result). If it raises + an exception, the `IOLoop` will stop and the exception will be + re-raised to the caller. + + The keyword-only argument ``timeout`` may be used to set + a maximum duration for the function. If the timeout expires, + a `tornado.util.TimeoutError` is raised. + + This method is useful to allow asynchronous calls in a + ``main()`` function:: + + async def main(): + # do stuff... + + if __name__ == '__main__': + IOLoop.current().run_sync(main) + + .. versionchanged:: 4.3 + Returning a non-``None``, non-awaitable value is now an error. + + .. versionchanged:: 5.0 + If a timeout occurs, the ``func`` coroutine will be cancelled. + + """ + future_cell = [None] # type: List[Optional[Future]] + + def run() -> None: + try: + result = func() + if result is not None: + from tornado.gen import convert_yielded + + result = convert_yielded(result) + except Exception: + fut = Future() # type: Future[Any] + future_cell[0] = fut + future_set_exc_info(fut, sys.exc_info()) + else: + if is_future(result): + future_cell[0] = result + else: + fut = Future() + future_cell[0] = fut + fut.set_result(result) + assert future_cell[0] is not None + self.add_future(future_cell[0], lambda future: self.stop()) + + self.add_callback(run) + if timeout is not None: + + def timeout_callback() -> None: + # If we can cancel the future, do so and wait on it. If not, + # Just stop the loop and return with the task still pending. + # (If we neither cancel nor wait for the task, a warning + # will be logged). + assert future_cell[0] is not None + if not future_cell[0].cancel(): + self.stop() + + timeout_handle = self.add_timeout(self.time() + timeout, timeout_callback) + self.start() + if timeout is not None: + self.remove_timeout(timeout_handle) + assert future_cell[0] is not None + if future_cell[0].cancelled() or not future_cell[0].done(): + raise TimeoutError("Operation timed out after %s seconds" % timeout) + return future_cell[0].result() + + def time(self) -> float: + """Returns the current time according to the `IOLoop`'s clock. + + The return value is a floating-point number relative to an + unspecified time in the past. + + Historically, the IOLoop could be customized to use e.g. + `time.monotonic` instead of `time.time`, but this is not + currently supported and so this method is equivalent to + `time.time`. + + """ + return time.time() + + def add_timeout( + self, + deadline: Union[float, datetime.timedelta], + callback: Callable[..., None], + *args: Any, + **kwargs: Any + ) -> object: + """Runs the ``callback`` at the time ``deadline`` from the I/O loop. + + Returns an opaque handle that may be passed to + `remove_timeout` to cancel. + + ``deadline`` may be a number denoting a time (on the same + scale as `IOLoop.time`, normally `time.time`), or a + `datetime.timedelta` object for a deadline relative to the + current time. Since Tornado 4.0, `call_later` is a more + convenient alternative for the relative case since it does not + require a timedelta object. + + Note that it is not safe to call `add_timeout` from other threads. + Instead, you must use `add_callback` to transfer control to the + `IOLoop`'s thread, and then call `add_timeout` from there. + + Subclasses of IOLoop must implement either `add_timeout` or + `call_at`; the default implementations of each will call + the other. `call_at` is usually easier to implement, but + subclasses that wish to maintain compatibility with Tornado + versions prior to 4.0 must use `add_timeout` instead. + + .. versionchanged:: 4.0 + Now passes through ``*args`` and ``**kwargs`` to the callback. + """ + if isinstance(deadline, numbers.Real): + return self.call_at(deadline, callback, *args, **kwargs) + elif isinstance(deadline, datetime.timedelta): + return self.call_at( + self.time() + deadline.total_seconds(), callback, *args, **kwargs + ) + else: + raise TypeError("Unsupported deadline %r" % deadline) + + def call_later( + self, delay: float, callback: Callable[..., None], *args: Any, **kwargs: Any + ) -> object: + """Runs the ``callback`` after ``delay`` seconds have passed. + + Returns an opaque handle that may be passed to `remove_timeout` + to cancel. Note that unlike the `asyncio` method of the same + name, the returned object does not have a ``cancel()`` method. + + See `add_timeout` for comments on thread-safety and subclassing. + + .. versionadded:: 4.0 + """ + return self.call_at(self.time() + delay, callback, *args, **kwargs) + + def call_at( + self, when: float, callback: Callable[..., None], *args: Any, **kwargs: Any + ) -> object: + """Runs the ``callback`` at the absolute time designated by ``when``. + + ``when`` must be a number using the same reference point as + `IOLoop.time`. + + Returns an opaque handle that may be passed to `remove_timeout` + to cancel. Note that unlike the `asyncio` method of the same + name, the returned object does not have a ``cancel()`` method. + + See `add_timeout` for comments on thread-safety and subclassing. + + .. versionadded:: 4.0 + """ + return self.add_timeout(when, callback, *args, **kwargs) + + def remove_timeout(self, timeout: object) -> None: + """Cancels a pending timeout. + + The argument is a handle as returned by `add_timeout`. It is + safe to call `remove_timeout` even if the callback has already + been run. + """ + raise NotImplementedError() + + def add_callback(self, callback: Callable, *args: Any, **kwargs: Any) -> None: + """Calls the given callback on the next I/O loop iteration. + + It is safe to call this method from any thread at any time, + except from a signal handler. Note that this is the **only** + method in `IOLoop` that makes this thread-safety guarantee; all + other interaction with the `IOLoop` must be done from that + `IOLoop`'s thread. `add_callback()` may be used to transfer + control from other threads to the `IOLoop`'s thread. + + To add a callback from a signal handler, see + `add_callback_from_signal`. + """ + raise NotImplementedError() + + def add_callback_from_signal( + self, callback: Callable, *args: Any, **kwargs: Any + ) -> None: + """Calls the given callback on the next I/O loop iteration. + + Safe for use from a Python signal handler; should not be used + otherwise. + """ + raise NotImplementedError() + + def spawn_callback(self, callback: Callable, *args: Any, **kwargs: Any) -> None: + """Calls the given callback on the next IOLoop iteration. + + As of Tornado 6.0, this method is equivalent to `add_callback`. + + .. versionadded:: 4.0 + """ + self.add_callback(callback, *args, **kwargs) + + def add_future( + self, + future: "Union[Future[_T], concurrent.futures.Future[_T]]", + callback: Callable[["Future[_T]"], None], + ) -> None: + """Schedules a callback on the ``IOLoop`` when the given + `.Future` is finished. + + The callback is invoked with one argument, the + `.Future`. + + This method only accepts `.Future` objects and not other + awaitables (unlike most of Tornado where the two are + interchangeable). + """ + if isinstance(future, Future): + # Note that we specifically do not want the inline behavior of + # tornado.concurrent.future_add_done_callback. We always want + # this callback scheduled on the next IOLoop iteration (which + # asyncio.Future always does). + # + # Wrap the callback in self._run_callback so we control + # the error logging (i.e. it goes to tornado.log.app_log + # instead of asyncio's log). + future.add_done_callback( + lambda f: self._run_callback(functools.partial(callback, future)) + ) + else: + assert is_future(future) + # For concurrent futures, we use self.add_callback, so + # it's fine if future_add_done_callback inlines that call. + future_add_done_callback( + future, lambda f: self.add_callback(callback, future) + ) + + def run_in_executor( + self, + executor: Optional[concurrent.futures.Executor], + func: Callable[..., _T], + *args: Any + ) -> Awaitable[_T]: + """Runs a function in a ``concurrent.futures.Executor``. If + ``executor`` is ``None``, the IO loop's default executor will be used. + + Use `functools.partial` to pass keyword arguments to ``func``. + + .. versionadded:: 5.0 + """ + if executor is None: + if not hasattr(self, "_executor"): + from tornado.process import cpu_count + + self._executor = concurrent.futures.ThreadPoolExecutor( + max_workers=(cpu_count() * 5) + ) # type: concurrent.futures.Executor + executor = self._executor + c_future = executor.submit(func, *args) + # Concurrent Futures are not usable with await. Wrap this in a + # Tornado Future instead, using self.add_future for thread-safety. + t_future = Future() # type: Future[_T] + self.add_future(c_future, lambda f: chain_future(f, t_future)) + return t_future + + def set_default_executor(self, executor: concurrent.futures.Executor) -> None: + """Sets the default executor to use with :meth:`run_in_executor`. + + .. versionadded:: 5.0 + """ + self._executor = executor + + def _run_callback(self, callback: Callable[[], Any]) -> None: + """Runs a callback with error handling. + + .. versionchanged:: 6.0 + + CancelledErrors are no longer logged. + """ + try: + ret = callback() + if ret is not None: + from tornado import gen + + # Functions that return Futures typically swallow all + # exceptions and store them in the Future. If a Future + # makes it out to the IOLoop, ensure its exception (if any) + # gets logged too. + try: + ret = gen.convert_yielded(ret) + except gen.BadYieldError: + # It's not unusual for add_callback to be used with + # methods returning a non-None and non-yieldable + # result, which should just be ignored. + pass + else: + self.add_future(ret, self._discard_future_result) + except asyncio.CancelledError: + pass + except Exception: + app_log.error("Exception in callback %r", callback, exc_info=True) + + def _discard_future_result(self, future: Future) -> None: + """Avoid unhandled-exception warnings from spawned coroutines.""" + future.result() + + def split_fd( + self, fd: Union[int, _Selectable] + ) -> Tuple[int, Union[int, _Selectable]]: + # """Returns an (fd, obj) pair from an ``fd`` parameter. + + # We accept both raw file descriptors and file-like objects as + # input to `add_handler` and related methods. When a file-like + # object is passed, we must retain the object itself so we can + # close it correctly when the `IOLoop` shuts down, but the + # poller interfaces favor file descriptors (they will accept + # file-like objects and call ``fileno()`` for you, but they + # always return the descriptor itself). + + # This method is provided for use by `IOLoop` subclasses and should + # not generally be used by application code. + + # .. versionadded:: 4.0 + # """ + if isinstance(fd, int): + return fd, fd + return fd.fileno(), fd + + def close_fd(self, fd: Union[int, _Selectable]) -> None: + # """Utility method to close an ``fd``. + + # If ``fd`` is a file-like object, we close it directly; otherwise + # we use `os.close`. + + # This method is provided for use by `IOLoop` subclasses (in + # implementations of ``IOLoop.close(all_fds=True)`` and should + # not generally be used by application code. + + # .. versionadded:: 4.0 + # """ + try: + if isinstance(fd, int): + os.close(fd) + else: + fd.close() + except OSError: + pass + + +class _Timeout(object): + """An IOLoop timeout, a UNIX timestamp and a callback""" + + # Reduce memory overhead when there are lots of pending callbacks + __slots__ = ["deadline", "callback", "tdeadline"] + + def __init__( + self, deadline: float, callback: Callable[[], None], io_loop: IOLoop + ) -> None: + if not isinstance(deadline, numbers.Real): + raise TypeError("Unsupported deadline %r" % deadline) + self.deadline = deadline + self.callback = callback + self.tdeadline = ( + deadline, + next(io_loop._timeout_counter), + ) # type: Tuple[float, int] + + # Comparison methods to sort by deadline, with object id as a tiebreaker + # to guarantee a consistent ordering. The heapq module uses __le__ + # in python2.5, and __lt__ in 2.6+ (sort() and most other comparisons + # use __lt__). + def __lt__(self, other: "_Timeout") -> bool: + return self.tdeadline < other.tdeadline + + def __le__(self, other: "_Timeout") -> bool: + return self.tdeadline <= other.tdeadline + + +class PeriodicCallback(object): + """Schedules the given callback to be called periodically. + + The callback is called every ``callback_time`` milliseconds. + Note that the timeout is given in milliseconds, while most other + time-related functions in Tornado use seconds. + + If ``jitter`` is specified, each callback time will be randomly selected + within a window of ``jitter * callback_time`` milliseconds. + Jitter can be used to reduce alignment of events with similar periods. + A jitter of 0.1 means allowing a 10% variation in callback time. + The window is centered on ``callback_time`` so the total number of calls + within a given interval should not be significantly affected by adding + jitter. + + If the callback runs for longer than ``callback_time`` milliseconds, + subsequent invocations will be skipped to get back on schedule. + + `start` must be called after the `PeriodicCallback` is created. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + + .. versionchanged:: 5.1 + The ``jitter`` argument is added. + """ + + def __init__( + self, callback: Callable[[], None], callback_time: float, jitter: float = 0 + ) -> None: + self.callback = callback + if callback_time <= 0: + raise ValueError("Periodic callback must have a positive callback_time") + self.callback_time = callback_time + self.jitter = jitter + self._running = False + self._timeout = None # type: object + + def start(self) -> None: + """Starts the timer.""" + # Looking up the IOLoop here allows to first instantiate the + # PeriodicCallback in another thread, then start it using + # IOLoop.add_callback(). + self.io_loop = IOLoop.current() + self._running = True + self._next_timeout = self.io_loop.time() + self._schedule_next() + + def stop(self) -> None: + """Stops the timer.""" + self._running = False + if self._timeout is not None: + self.io_loop.remove_timeout(self._timeout) + self._timeout = None + + def is_running(self) -> bool: + """Returns ``True`` if this `.PeriodicCallback` has been started. + + .. versionadded:: 4.1 + """ + return self._running + + def _run(self) -> None: + if not self._running: + return + try: + return self.callback() + except Exception: + app_log.error("Exception in callback %r", self.callback, exc_info=True) + finally: + self._schedule_next() + + def _schedule_next(self) -> None: + if self._running: + self._update_next(self.io_loop.time()) + self._timeout = self.io_loop.add_timeout(self._next_timeout, self._run) + + def _update_next(self, current_time: float) -> None: + callback_time_sec = self.callback_time / 1000.0 + if self.jitter: + # apply jitter fraction + callback_time_sec *= 1 + (self.jitter * (random.random() - 0.5)) + if self._next_timeout <= current_time: + # The period should be measured from the start of one call + # to the start of the next. If one call takes too long, + # skip cycles to get back to a multiple of the original + # schedule. + self._next_timeout += ( + math.floor((current_time - self._next_timeout) / callback_time_sec) + 1 + ) * callback_time_sec + else: + # If the clock moved backwards, ensure we advance the next + # timeout instead of recomputing the same value again. + # This may result in long gaps between callbacks if the + # clock jumps backwards by a lot, but the far more common + # scenario is a small NTP adjustment that should just be + # ignored. + # + # Note that on some systems if time.time() runs slower + # than time.monotonic() (most common on windows), we + # effectively experience a small backwards time jump on + # every iteration because PeriodicCallback uses + # time.time() while asyncio schedules callbacks using + # time.monotonic(). + # https://github.com/tornadoweb/tornado/issues/2333 + self._next_timeout += callback_time_sec diff --git a/venv/lib/python3.7/site-packages/tornado/iostream.py b/venv/lib/python3.7/site-packages/tornado/iostream.py new file mode 100644 index 0000000..ee30592 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/iostream.py @@ -0,0 +1,1655 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Utility classes to write to and read from non-blocking files and sockets. + +Contents: + +* `BaseIOStream`: Generic interface for reading and writing. +* `IOStream`: Implementation of BaseIOStream using non-blocking sockets. +* `SSLIOStream`: SSL-aware version of IOStream. +* `PipeIOStream`: Pipe-based IOStream implementation. +""" + +import asyncio +import collections +import errno +import io +import numbers +import os +import socket +import ssl +import sys +import re + +from tornado.concurrent import Future, future_set_result_unless_cancelled +from tornado import ioloop +from tornado.log import gen_log +from tornado.netutil import ssl_wrap_socket, _client_ssl_defaults, _server_ssl_defaults +from tornado.util import errno_from_exception + +import typing +from typing import ( + Union, + Optional, + Awaitable, + Callable, + Pattern, + Any, + Dict, + TypeVar, + Tuple, +) +from types import TracebackType + +if typing.TYPE_CHECKING: + from typing import Deque, List, Type # noqa: F401 + +_IOStreamType = TypeVar("_IOStreamType", bound="IOStream") + +try: + from tornado.platform.posix import _set_nonblocking +except ImportError: + _set_nonblocking = None # type: ignore + +# These errnos indicate that a non-blocking operation must be retried +# at a later time. On most platforms they're the same value, but on +# some they differ. +_ERRNO_WOULDBLOCK = (errno.EWOULDBLOCK, errno.EAGAIN) + +if hasattr(errno, "WSAEWOULDBLOCK"): + _ERRNO_WOULDBLOCK += (errno.WSAEWOULDBLOCK,) # type: ignore + +# These errnos indicate that a connection has been abruptly terminated. +# They should be caught and handled less noisily than other errors. +_ERRNO_CONNRESET = (errno.ECONNRESET, errno.ECONNABORTED, errno.EPIPE, errno.ETIMEDOUT) + +if hasattr(errno, "WSAECONNRESET"): + _ERRNO_CONNRESET += ( # type: ignore + errno.WSAECONNRESET, # type: ignore + errno.WSAECONNABORTED, # type: ignore + errno.WSAETIMEDOUT, # type: ignore + ) + +if sys.platform == "darwin": + # OSX appears to have a race condition that causes send(2) to return + # EPROTOTYPE if called while a socket is being torn down: + # http://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ + # Since the socket is being closed anyway, treat this as an ECONNRESET + # instead of an unexpected error. + _ERRNO_CONNRESET += (errno.EPROTOTYPE,) # type: ignore + +# More non-portable errnos: +_ERRNO_INPROGRESS = (errno.EINPROGRESS,) + +if hasattr(errno, "WSAEINPROGRESS"): + _ERRNO_INPROGRESS += (errno.WSAEINPROGRESS,) # type: ignore + +_WINDOWS = sys.platform.startswith("win") + + +class StreamClosedError(IOError): + """Exception raised by `IOStream` methods when the stream is closed. + + Note that the close callback is scheduled to run *after* other + callbacks on the stream (to allow for buffered data to be processed), + so you may see this error before you see the close callback. + + The ``real_error`` attribute contains the underlying error that caused + the stream to close (if any). + + .. versionchanged:: 4.3 + Added the ``real_error`` attribute. + """ + + def __init__(self, real_error: BaseException = None) -> None: + super(StreamClosedError, self).__init__("Stream is closed") + self.real_error = real_error + + +class UnsatisfiableReadError(Exception): + """Exception raised when a read cannot be satisfied. + + Raised by ``read_until`` and ``read_until_regex`` with a ``max_bytes`` + argument. + """ + + pass + + +class StreamBufferFullError(Exception): + """Exception raised by `IOStream` methods when the buffer is full. + """ + + +class _StreamBuffer(object): + """ + A specialized buffer that tries to avoid copies when large pieces + of data are encountered. + """ + + def __init__(self) -> None: + # A sequence of (False, bytearray) and (True, memoryview) objects + self._buffers = ( + collections.deque() + ) # type: Deque[Tuple[bool, Union[bytearray, memoryview]]] + # Position in the first buffer + self._first_pos = 0 + self._size = 0 + + def __len__(self) -> int: + return self._size + + # Data above this size will be appended separately instead + # of extending an existing bytearray + _large_buf_threshold = 2048 + + def append(self, data: Union[bytes, bytearray, memoryview]) -> None: + """ + Append the given piece of data (should be a buffer-compatible object). + """ + size = len(data) + if size > self._large_buf_threshold: + if not isinstance(data, memoryview): + data = memoryview(data) + self._buffers.append((True, data)) + elif size > 0: + if self._buffers: + is_memview, b = self._buffers[-1] + new_buf = is_memview or len(b) >= self._large_buf_threshold + else: + new_buf = True + if new_buf: + self._buffers.append((False, bytearray(data))) + else: + b += data # type: ignore + + self._size += size + + def peek(self, size: int) -> memoryview: + """ + Get a view over at most ``size`` bytes (possibly fewer) at the + current buffer position. + """ + assert size > 0 + try: + is_memview, b = self._buffers[0] + except IndexError: + return memoryview(b"") + + pos = self._first_pos + if is_memview: + return typing.cast(memoryview, b[pos : pos + size]) + else: + return memoryview(b)[pos : pos + size] + + def advance(self, size: int) -> None: + """ + Advance the current buffer position by ``size`` bytes. + """ + assert 0 < size <= self._size + self._size -= size + pos = self._first_pos + + buffers = self._buffers + while buffers and size > 0: + is_large, b = buffers[0] + b_remain = len(b) - size - pos + if b_remain <= 0: + buffers.popleft() + size -= len(b) - pos + pos = 0 + elif is_large: + pos += size + size = 0 + else: + # Amortized O(1) shrink for Python 2 + pos += size + if len(b) <= 2 * pos: + del typing.cast(bytearray, b)[:pos] + pos = 0 + size = 0 + + assert size == 0 + self._first_pos = pos + + +class BaseIOStream(object): + """A utility class to write to and read from a non-blocking file or socket. + + We support a non-blocking ``write()`` and a family of ``read_*()`` + methods. When the operation completes, the ``Awaitable`` will resolve + with the data read (or ``None`` for ``write()``). All outstanding + ``Awaitables`` will resolve with a `StreamClosedError` when the + stream is closed; `.BaseIOStream.set_close_callback` can also be used + to be notified of a closed stream. + + When a stream is closed due to an error, the IOStream's ``error`` + attribute contains the exception object. + + Subclasses must implement `fileno`, `close_fd`, `write_to_fd`, + `read_from_fd`, and optionally `get_fd_error`. + + """ + + def __init__( + self, + max_buffer_size: int = None, + read_chunk_size: int = None, + max_write_buffer_size: int = None, + ) -> None: + """`BaseIOStream` constructor. + + :arg max_buffer_size: Maximum amount of incoming data to buffer; + defaults to 100MB. + :arg read_chunk_size: Amount of data to read at one time from the + underlying transport; defaults to 64KB. + :arg max_write_buffer_size: Amount of outgoing data to buffer; + defaults to unlimited. + + .. versionchanged:: 4.0 + Add the ``max_write_buffer_size`` parameter. Changed default + ``read_chunk_size`` to 64KB. + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been + removed. + """ + self.io_loop = ioloop.IOLoop.current() + self.max_buffer_size = max_buffer_size or 104857600 + # A chunk size that is too close to max_buffer_size can cause + # spurious failures. + self.read_chunk_size = min(read_chunk_size or 65536, self.max_buffer_size // 2) + self.max_write_buffer_size = max_write_buffer_size + self.error = None # type: Optional[BaseException] + self._read_buffer = bytearray() + self._read_buffer_pos = 0 + self._read_buffer_size = 0 + self._user_read_buffer = False + self._after_user_read_buffer = None # type: Optional[bytearray] + self._write_buffer = _StreamBuffer() + self._total_write_index = 0 + self._total_write_done_index = 0 + self._read_delimiter = None # type: Optional[bytes] + self._read_regex = None # type: Optional[Pattern] + self._read_max_bytes = None # type: Optional[int] + self._read_bytes = None # type: Optional[int] + self._read_partial = False + self._read_until_close = False + self._read_future = None # type: Optional[Future] + self._write_futures = ( + collections.deque() + ) # type: Deque[Tuple[int, Future[None]]] + self._close_callback = None # type: Optional[Callable[[], None]] + self._connect_future = None # type: Optional[Future[IOStream]] + # _ssl_connect_future should be defined in SSLIOStream + # but it's here so we can clean it up in _signal_closed + # TODO: refactor that so subclasses can add additional futures + # to be cancelled. + self._ssl_connect_future = None # type: Optional[Future[SSLIOStream]] + self._connecting = False + self._state = None # type: Optional[int] + self._closed = False + + def fileno(self) -> Union[int, ioloop._Selectable]: + """Returns the file descriptor for this stream.""" + raise NotImplementedError() + + def close_fd(self) -> None: + """Closes the file underlying this stream. + + ``close_fd`` is called by `BaseIOStream` and should not be called + elsewhere; other users should call `close` instead. + """ + raise NotImplementedError() + + def write_to_fd(self, data: memoryview) -> int: + """Attempts to write ``data`` to the underlying file. + + Returns the number of bytes written. + """ + raise NotImplementedError() + + def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]: + """Attempts to read from the underlying file. + + Reads up to ``len(buf)`` bytes, storing them in the buffer. + Returns the number of bytes read. Returns None if there was + nothing to read (the socket returned `~errno.EWOULDBLOCK` or + equivalent), and zero on EOF. + + .. versionchanged:: 5.0 + + Interface redesigned to take a buffer and return a number + of bytes instead of a freshly-allocated object. + """ + raise NotImplementedError() + + def get_fd_error(self) -> Optional[Exception]: + """Returns information about any error on the underlying file. + + This method is called after the `.IOLoop` has signaled an error on the + file descriptor, and should return an Exception (such as `socket.error` + with additional information, or None if no such information is + available. + """ + return None + + def read_until_regex(self, regex: bytes, max_bytes: int = None) -> Awaitable[bytes]: + """Asynchronously read until we have matched the given regex. + + The result includes the data that matches the regex and anything + that came before it. + + If ``max_bytes`` is not None, the connection will be closed + if more than ``max_bytes`` bytes have been read and the regex is + not satisfied. + + .. versionchanged:: 4.0 + Added the ``max_bytes`` argument. The ``callback`` argument is + now optional and a `.Future` will be returned if it is omitted. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + """ + future = self._start_read() + self._read_regex = re.compile(regex) + self._read_max_bytes = max_bytes + try: + self._try_inline_read() + except UnsatisfiableReadError as e: + # Handle this the same way as in _handle_events. + gen_log.info("Unsatisfiable read, closing connection: %s" % e) + self.close(exc_info=e) + return future + except: + # Ensure that the future doesn't log an error because its + # failure was never examined. + future.add_done_callback(lambda f: f.exception()) + raise + return future + + def read_until(self, delimiter: bytes, max_bytes: int = None) -> Awaitable[bytes]: + """Asynchronously read until we have found the given delimiter. + + The result includes all the data read including the delimiter. + + If ``max_bytes`` is not None, the connection will be closed + if more than ``max_bytes`` bytes have been read and the delimiter + is not found. + + .. versionchanged:: 4.0 + Added the ``max_bytes`` argument. The ``callback`` argument is + now optional and a `.Future` will be returned if it is omitted. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + """ + future = self._start_read() + self._read_delimiter = delimiter + self._read_max_bytes = max_bytes + try: + self._try_inline_read() + except UnsatisfiableReadError as e: + # Handle this the same way as in _handle_events. + gen_log.info("Unsatisfiable read, closing connection: %s" % e) + self.close(exc_info=e) + return future + except: + future.add_done_callback(lambda f: f.exception()) + raise + return future + + def read_bytes(self, num_bytes: int, partial: bool = False) -> Awaitable[bytes]: + """Asynchronously read a number of bytes. + + If ``partial`` is true, data is returned as soon as we have + any bytes to return (but never more than ``num_bytes``) + + .. versionchanged:: 4.0 + Added the ``partial`` argument. The callback argument is now + optional and a `.Future` will be returned if it is omitted. + + .. versionchanged:: 6.0 + + The ``callback`` and ``streaming_callback`` arguments have + been removed. Use the returned `.Future` (and + ``partial=True`` for ``streaming_callback``) instead. + + """ + future = self._start_read() + assert isinstance(num_bytes, numbers.Integral) + self._read_bytes = num_bytes + self._read_partial = partial + try: + self._try_inline_read() + except: + future.add_done_callback(lambda f: f.exception()) + raise + return future + + def read_into(self, buf: bytearray, partial: bool = False) -> Awaitable[int]: + """Asynchronously read a number of bytes. + + ``buf`` must be a writable buffer into which data will be read. + + If ``partial`` is true, the callback is run as soon as any bytes + have been read. Otherwise, it is run when the ``buf`` has been + entirely filled with read data. + + .. versionadded:: 5.0 + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + """ + future = self._start_read() + + # First copy data already in read buffer + available_bytes = self._read_buffer_size + n = len(buf) + if available_bytes >= n: + end = self._read_buffer_pos + n + buf[:] = memoryview(self._read_buffer)[self._read_buffer_pos : end] + del self._read_buffer[:end] + self._after_user_read_buffer = self._read_buffer + elif available_bytes > 0: + buf[:available_bytes] = memoryview(self._read_buffer)[ + self._read_buffer_pos : + ] + + # Set up the supplied buffer as our temporary read buffer. + # The original (if it had any data remaining) has been + # saved for later. + self._user_read_buffer = True + self._read_buffer = buf + self._read_buffer_pos = 0 + self._read_buffer_size = available_bytes + self._read_bytes = n + self._read_partial = partial + + try: + self._try_inline_read() + except: + future.add_done_callback(lambda f: f.exception()) + raise + return future + + def read_until_close(self) -> Awaitable[bytes]: + """Asynchronously reads all data from the socket until it is closed. + + This will buffer all available data until ``max_buffer_size`` + is reached. If flow control or cancellation are desired, use a + loop with `read_bytes(partial=True) <.read_bytes>` instead. + + .. versionchanged:: 4.0 + The callback argument is now optional and a `.Future` will + be returned if it is omitted. + + .. versionchanged:: 6.0 + + The ``callback`` and ``streaming_callback`` arguments have + been removed. Use the returned `.Future` (and `read_bytes` + with ``partial=True`` for ``streaming_callback``) instead. + + """ + future = self._start_read() + if self.closed(): + self._finish_read(self._read_buffer_size, False) + return future + self._read_until_close = True + try: + self._try_inline_read() + except: + future.add_done_callback(lambda f: f.exception()) + raise + return future + + def write(self, data: Union[bytes, memoryview]) -> "Future[None]": + """Asynchronously write the given data to this stream. + + This method returns a `.Future` that resolves (with a result + of ``None``) when the write has been completed. + + The ``data`` argument may be of type `bytes` or `memoryview`. + + .. versionchanged:: 4.0 + Now returns a `.Future` if no callback is given. + + .. versionchanged:: 4.5 + Added support for `memoryview` arguments. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + """ + self._check_closed() + if data: + if ( + self.max_write_buffer_size is not None + and len(self._write_buffer) + len(data) > self.max_write_buffer_size + ): + raise StreamBufferFullError("Reached maximum write buffer size") + self._write_buffer.append(data) + self._total_write_index += len(data) + future = Future() # type: Future[None] + future.add_done_callback(lambda f: f.exception()) + self._write_futures.append((self._total_write_index, future)) + if not self._connecting: + self._handle_write() + if self._write_buffer: + self._add_io_state(self.io_loop.WRITE) + self._maybe_add_error_listener() + return future + + def set_close_callback(self, callback: Optional[Callable[[], None]]) -> None: + """Call the given callback when the stream is closed. + + This mostly is not necessary for applications that use the + `.Future` interface; all outstanding ``Futures`` will resolve + with a `StreamClosedError` when the stream is closed. However, + it is still useful as a way to signal that the stream has been + closed while no other read or write is in progress. + + Unlike other callback-based interfaces, ``set_close_callback`` + was not removed in Tornado 6.0. + """ + self._close_callback = callback + self._maybe_add_error_listener() + + def close( + self, + exc_info: Union[ + None, + bool, + BaseException, + Tuple[ + "Optional[Type[BaseException]]", + Optional[BaseException], + Optional[TracebackType], + ], + ] = False, + ) -> None: + """Close this stream. + + If ``exc_info`` is true, set the ``error`` attribute to the current + exception from `sys.exc_info` (or if ``exc_info`` is a tuple, + use that instead of `sys.exc_info`). + """ + if not self.closed(): + if exc_info: + if isinstance(exc_info, tuple): + self.error = exc_info[1] + elif isinstance(exc_info, BaseException): + self.error = exc_info + else: + exc_info = sys.exc_info() + if any(exc_info): + self.error = exc_info[1] + if self._read_until_close: + self._read_until_close = False + self._finish_read(self._read_buffer_size, False) + if self._state is not None: + self.io_loop.remove_handler(self.fileno()) + self._state = None + self.close_fd() + self._closed = True + self._signal_closed() + + def _signal_closed(self) -> None: + futures = [] # type: List[Future] + if self._read_future is not None: + futures.append(self._read_future) + self._read_future = None + futures += [future for _, future in self._write_futures] + self._write_futures.clear() + if self._connect_future is not None: + futures.append(self._connect_future) + self._connect_future = None + for future in futures: + if not future.done(): + future.set_exception(StreamClosedError(real_error=self.error)) + # Reference the exception to silence warnings. Annoyingly, + # this raises if the future was cancelled, but just + # returns any other error. + try: + future.exception() + except asyncio.CancelledError: + pass + if self._ssl_connect_future is not None: + # _ssl_connect_future expects to see the real exception (typically + # an ssl.SSLError), not just StreamClosedError. + if not self._ssl_connect_future.done(): + if self.error is not None: + self._ssl_connect_future.set_exception(self.error) + else: + self._ssl_connect_future.set_exception(StreamClosedError()) + self._ssl_connect_future.exception() + self._ssl_connect_future = None + if self._close_callback is not None: + cb = self._close_callback + self._close_callback = None + self.io_loop.add_callback(cb) + # Clear the buffers so they can be cleared immediately even + # if the IOStream object is kept alive by a reference cycle. + # TODO: Clear the read buffer too; it currently breaks some tests. + self._write_buffer = None # type: ignore + + def reading(self) -> bool: + """Returns ``True`` if we are currently reading from the stream.""" + return self._read_future is not None + + def writing(self) -> bool: + """Returns ``True`` if we are currently writing to the stream.""" + return bool(self._write_buffer) + + def closed(self) -> bool: + """Returns ``True`` if the stream has been closed.""" + return self._closed + + def set_nodelay(self, value: bool) -> None: + """Sets the no-delay flag for this stream. + + By default, data written to TCP streams may be held for a time + to make the most efficient use of bandwidth (according to + Nagle's algorithm). The no-delay flag requests that data be + written as soon as possible, even if doing so would consume + additional bandwidth. + + This flag is currently defined only for TCP-based ``IOStreams``. + + .. versionadded:: 3.1 + """ + pass + + def _handle_connect(self) -> None: + raise NotImplementedError() + + def _handle_events(self, fd: Union[int, ioloop._Selectable], events: int) -> None: + if self.closed(): + gen_log.warning("Got events for closed stream %s", fd) + return + try: + if self._connecting: + # Most IOLoops will report a write failed connect + # with the WRITE event, but SelectIOLoop reports a + # READ as well so we must check for connecting before + # either. + self._handle_connect() + if self.closed(): + return + if events & self.io_loop.READ: + self._handle_read() + if self.closed(): + return + if events & self.io_loop.WRITE: + self._handle_write() + if self.closed(): + return + if events & self.io_loop.ERROR: + self.error = self.get_fd_error() + # We may have queued up a user callback in _handle_read or + # _handle_write, so don't close the IOStream until those + # callbacks have had a chance to run. + self.io_loop.add_callback(self.close) + return + state = self.io_loop.ERROR + if self.reading(): + state |= self.io_loop.READ + if self.writing(): + state |= self.io_loop.WRITE + if state == self.io_loop.ERROR and self._read_buffer_size == 0: + # If the connection is idle, listen for reads too so + # we can tell if the connection is closed. If there is + # data in the read buffer we won't run the close callback + # yet anyway, so we don't need to listen in this case. + state |= self.io_loop.READ + if state != self._state: + assert ( + self._state is not None + ), "shouldn't happen: _handle_events without self._state" + self._state = state + self.io_loop.update_handler(self.fileno(), self._state) + except UnsatisfiableReadError as e: + gen_log.info("Unsatisfiable read, closing connection: %s" % e) + self.close(exc_info=e) + except Exception as e: + gen_log.error("Uncaught exception, closing connection.", exc_info=True) + self.close(exc_info=e) + raise + + def _read_to_buffer_loop(self) -> Optional[int]: + # This method is called from _handle_read and _try_inline_read. + if self._read_bytes is not None: + target_bytes = self._read_bytes # type: Optional[int] + elif self._read_max_bytes is not None: + target_bytes = self._read_max_bytes + elif self.reading(): + # For read_until without max_bytes, or + # read_until_close, read as much as we can before + # scanning for the delimiter. + target_bytes = None + else: + target_bytes = 0 + next_find_pos = 0 + while not self.closed(): + # Read from the socket until we get EWOULDBLOCK or equivalent. + # SSL sockets do some internal buffering, and if the data is + # sitting in the SSL object's buffer select() and friends + # can't see it; the only way to find out if it's there is to + # try to read it. + if self._read_to_buffer() == 0: + break + + # If we've read all the bytes we can use, break out of + # this loop. + + # If we've reached target_bytes, we know we're done. + if target_bytes is not None and self._read_buffer_size >= target_bytes: + break + + # Otherwise, we need to call the more expensive find_read_pos. + # It's inefficient to do this on every read, so instead + # do it on the first read and whenever the read buffer + # size has doubled. + if self._read_buffer_size >= next_find_pos: + pos = self._find_read_pos() + if pos is not None: + return pos + next_find_pos = self._read_buffer_size * 2 + return self._find_read_pos() + + def _handle_read(self) -> None: + try: + pos = self._read_to_buffer_loop() + except UnsatisfiableReadError: + raise + except asyncio.CancelledError: + raise + except Exception as e: + gen_log.warning("error on read: %s" % e) + self.close(exc_info=e) + return + if pos is not None: + self._read_from_buffer(pos) + + def _start_read(self) -> Future: + self._check_closed() # Before reading, check that stream is not closed. + assert self._read_future is None, "Already reading" + self._read_future = Future() + return self._read_future + + def _finish_read(self, size: int, streaming: bool) -> None: + if self._user_read_buffer: + self._read_buffer = self._after_user_read_buffer or bytearray() + self._after_user_read_buffer = None + self._read_buffer_pos = 0 + self._read_buffer_size = len(self._read_buffer) + self._user_read_buffer = False + result = size # type: Union[int, bytes] + else: + result = self._consume(size) + if self._read_future is not None: + future = self._read_future + self._read_future = None + future_set_result_unless_cancelled(future, result) + self._maybe_add_error_listener() + + def _try_inline_read(self) -> None: + """Attempt to complete the current read operation from buffered data. + + If the read can be completed without blocking, schedules the + read callback on the next IOLoop iteration; otherwise starts + listening for reads on the socket. + """ + # See if we've already got the data from a previous read + pos = self._find_read_pos() + if pos is not None: + self._read_from_buffer(pos) + return + self._check_closed() + pos = self._read_to_buffer_loop() + if pos is not None: + self._read_from_buffer(pos) + return + # We couldn't satisfy the read inline, so make sure we're + # listening for new data unless the stream is closed. + if not self.closed(): + self._add_io_state(ioloop.IOLoop.READ) + + def _read_to_buffer(self) -> Optional[int]: + """Reads from the socket and appends the result to the read buffer. + + Returns the number of bytes read. Returns 0 if there is nothing + to read (i.e. the read returns EWOULDBLOCK or equivalent). On + error closes the socket and raises an exception. + """ + try: + while True: + try: + if self._user_read_buffer: + buf = memoryview(self._read_buffer)[ + self._read_buffer_size : + ] # type: Union[memoryview, bytearray] + else: + buf = bytearray(self.read_chunk_size) + bytes_read = self.read_from_fd(buf) + except (socket.error, IOError, OSError) as e: + if errno_from_exception(e) == errno.EINTR: + continue + # ssl.SSLError is a subclass of socket.error + if self._is_connreset(e): + # Treat ECONNRESET as a connection close rather than + # an error to minimize log spam (the exception will + # be available on self.error for apps that care). + self.close(exc_info=e) + return None + self.close(exc_info=e) + raise + break + if bytes_read is None: + return 0 + elif bytes_read == 0: + self.close() + return 0 + if not self._user_read_buffer: + self._read_buffer += memoryview(buf)[:bytes_read] + self._read_buffer_size += bytes_read + finally: + # Break the reference to buf so we don't waste a chunk's worth of + # memory in case an exception hangs on to our stack frame. + del buf + if self._read_buffer_size > self.max_buffer_size: + gen_log.error("Reached maximum read buffer size") + self.close() + raise StreamBufferFullError("Reached maximum read buffer size") + return bytes_read + + def _read_from_buffer(self, pos: int) -> None: + """Attempts to complete the currently-pending read from the buffer. + + The argument is either a position in the read buffer or None, + as returned by _find_read_pos. + """ + self._read_bytes = self._read_delimiter = self._read_regex = None + self._read_partial = False + self._finish_read(pos, False) + + def _find_read_pos(self) -> Optional[int]: + """Attempts to find a position in the read buffer that satisfies + the currently-pending read. + + Returns a position in the buffer if the current read can be satisfied, + or None if it cannot. + """ + if self._read_bytes is not None and ( + self._read_buffer_size >= self._read_bytes + or (self._read_partial and self._read_buffer_size > 0) + ): + num_bytes = min(self._read_bytes, self._read_buffer_size) + return num_bytes + elif self._read_delimiter is not None: + # Multi-byte delimiters (e.g. '\r\n') may straddle two + # chunks in the read buffer, so we can't easily find them + # without collapsing the buffer. However, since protocols + # using delimited reads (as opposed to reads of a known + # length) tend to be "line" oriented, the delimiter is likely + # to be in the first few chunks. Merge the buffer gradually + # since large merges are relatively expensive and get undone in + # _consume(). + if self._read_buffer: + loc = self._read_buffer.find( + self._read_delimiter, self._read_buffer_pos + ) + if loc != -1: + loc -= self._read_buffer_pos + delimiter_len = len(self._read_delimiter) + self._check_max_bytes(self._read_delimiter, loc + delimiter_len) + return loc + delimiter_len + self._check_max_bytes(self._read_delimiter, self._read_buffer_size) + elif self._read_regex is not None: + if self._read_buffer: + m = self._read_regex.search(self._read_buffer, self._read_buffer_pos) + if m is not None: + loc = m.end() - self._read_buffer_pos + self._check_max_bytes(self._read_regex, loc) + return loc + self._check_max_bytes(self._read_regex, self._read_buffer_size) + return None + + def _check_max_bytes(self, delimiter: Union[bytes, Pattern], size: int) -> None: + if self._read_max_bytes is not None and size > self._read_max_bytes: + raise UnsatisfiableReadError( + "delimiter %r not found within %d bytes" + % (delimiter, self._read_max_bytes) + ) + + def _handle_write(self) -> None: + while True: + size = len(self._write_buffer) + if not size: + break + assert size > 0 + try: + if _WINDOWS: + # On windows, socket.send blows up if given a + # write buffer that's too large, instead of just + # returning the number of bytes it was able to + # process. Therefore we must not call socket.send + # with more than 128KB at a time. + size = 128 * 1024 + + num_bytes = self.write_to_fd(self._write_buffer.peek(size)) + if num_bytes == 0: + break + self._write_buffer.advance(num_bytes) + self._total_write_done_index += num_bytes + except (socket.error, IOError, OSError) as e: + if e.args[0] in _ERRNO_WOULDBLOCK: + break + else: + if not self._is_connreset(e): + # Broken pipe errors are usually caused by connection + # reset, and its better to not log EPIPE errors to + # minimize log spam + gen_log.warning("Write error on %s: %s", self.fileno(), e) + self.close(exc_info=e) + return + + while self._write_futures: + index, future = self._write_futures[0] + if index > self._total_write_done_index: + break + self._write_futures.popleft() + future_set_result_unless_cancelled(future, None) + + def _consume(self, loc: int) -> bytes: + # Consume loc bytes from the read buffer and return them + if loc == 0: + return b"" + assert loc <= self._read_buffer_size + # Slice the bytearray buffer into bytes, without intermediate copying + b = ( + memoryview(self._read_buffer)[ + self._read_buffer_pos : self._read_buffer_pos + loc + ] + ).tobytes() + self._read_buffer_pos += loc + self._read_buffer_size -= loc + # Amortized O(1) shrink + # (this heuristic is implemented natively in Python 3.4+ + # but is replicated here for Python 2) + if self._read_buffer_pos > self._read_buffer_size: + del self._read_buffer[: self._read_buffer_pos] + self._read_buffer_pos = 0 + return b + + def _check_closed(self) -> None: + if self.closed(): + raise StreamClosedError(real_error=self.error) + + def _maybe_add_error_listener(self) -> None: + # This method is part of an optimization: to detect a connection that + # is closed when we're not actively reading or writing, we must listen + # for read events. However, it is inefficient to do this when the + # connection is first established because we are going to read or write + # immediately anyway. Instead, we insert checks at various times to + # see if the connection is idle and add the read listener then. + if self._state is None or self._state == ioloop.IOLoop.ERROR: + if ( + not self.closed() + and self._read_buffer_size == 0 + and self._close_callback is not None + ): + self._add_io_state(ioloop.IOLoop.READ) + + def _add_io_state(self, state: int) -> None: + """Adds `state` (IOLoop.{READ,WRITE} flags) to our event handler. + + Implementation notes: Reads and writes have a fast path and a + slow path. The fast path reads synchronously from socket + buffers, while the slow path uses `_add_io_state` to schedule + an IOLoop callback. + + To detect closed connections, we must have called + `_add_io_state` at some point, but we want to delay this as + much as possible so we don't have to set an `IOLoop.ERROR` + listener that will be overwritten by the next slow-path + operation. If a sequence of fast-path ops do not end in a + slow-path op, (e.g. for an @asynchronous long-poll request), + we must add the error handler. + + TODO: reevaluate this now that callbacks are gone. + + """ + if self.closed(): + # connection has been closed, so there can be no future events + return + if self._state is None: + self._state = ioloop.IOLoop.ERROR | state + self.io_loop.add_handler(self.fileno(), self._handle_events, self._state) + elif not self._state & state: + self._state = self._state | state + self.io_loop.update_handler(self.fileno(), self._state) + + def _is_connreset(self, exc: BaseException) -> bool: + """Return ``True`` if exc is ECONNRESET or equivalent. + + May be overridden in subclasses. + """ + return ( + isinstance(exc, (socket.error, IOError)) + and errno_from_exception(exc) in _ERRNO_CONNRESET + ) + + +class IOStream(BaseIOStream): + r"""Socket-based `IOStream` implementation. + + This class supports the read and write methods from `BaseIOStream` + plus a `connect` method. + + The ``socket`` parameter may either be connected or unconnected. + For server operations the socket is the result of calling + `socket.accept <socket.socket.accept>`. For client operations the + socket is created with `socket.socket`, and may either be + connected before passing it to the `IOStream` or connected with + `IOStream.connect`. + + A very simple (and broken) HTTP client using this class: + + .. testcode:: + + import tornado.ioloop + import tornado.iostream + import socket + + async def main(): + s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + stream = tornado.iostream.IOStream(s) + await stream.connect(("friendfeed.com", 80)) + await stream.write(b"GET / HTTP/1.0\r\nHost: friendfeed.com\r\n\r\n") + header_data = await stream.read_until(b"\r\n\r\n") + headers = {} + for line in header_data.split(b"\r\n"): + parts = line.split(b":") + if len(parts) == 2: + headers[parts[0].strip()] = parts[1].strip() + body_data = await stream.read_bytes(int(headers[b"Content-Length"])) + print(body_data) + stream.close() + + if __name__ == '__main__': + tornado.ioloop.IOLoop.current().run_sync(main) + s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + stream = tornado.iostream.IOStream(s) + stream.connect(("friendfeed.com", 80), send_request) + tornado.ioloop.IOLoop.current().start() + + .. testoutput:: + :hide: + + """ + + def __init__(self, socket: socket.socket, *args: Any, **kwargs: Any) -> None: + self.socket = socket + self.socket.setblocking(False) + super(IOStream, self).__init__(*args, **kwargs) + + def fileno(self) -> Union[int, ioloop._Selectable]: + return self.socket + + def close_fd(self) -> None: + self.socket.close() + self.socket = None # type: ignore + + def get_fd_error(self) -> Optional[Exception]: + errno = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR) + return socket.error(errno, os.strerror(errno)) + + def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]: + try: + return self.socket.recv_into(buf, len(buf)) + except socket.error as e: + if e.args[0] in _ERRNO_WOULDBLOCK: + return None + else: + raise + finally: + del buf + + def write_to_fd(self, data: memoryview) -> int: + try: + return self.socket.send(data) # type: ignore + finally: + # Avoid keeping to data, which can be a memoryview. + # See https://github.com/tornadoweb/tornado/pull/2008 + del data + + def connect( + self: _IOStreamType, address: tuple, server_hostname: str = None + ) -> "Future[_IOStreamType]": + """Connects the socket to a remote address without blocking. + + May only be called if the socket passed to the constructor was + not previously connected. The address parameter is in the + same format as for `socket.connect <socket.socket.connect>` for + the type of socket passed to the IOStream constructor, + e.g. an ``(ip, port)`` tuple. Hostnames are accepted here, + but will be resolved synchronously and block the IOLoop. + If you have a hostname instead of an IP address, the `.TCPClient` + class is recommended instead of calling this method directly. + `.TCPClient` will do asynchronous DNS resolution and handle + both IPv4 and IPv6. + + If ``callback`` is specified, it will be called with no + arguments when the connection is completed; if not this method + returns a `.Future` (whose result after a successful + connection will be the stream itself). + + In SSL mode, the ``server_hostname`` parameter will be used + for certificate validation (unless disabled in the + ``ssl_options``) and SNI (if supported; requires Python + 2.7.9+). + + Note that it is safe to call `IOStream.write + <BaseIOStream.write>` while the connection is pending, in + which case the data will be written as soon as the connection + is ready. Calling `IOStream` read methods before the socket is + connected works on some platforms but is non-portable. + + .. versionchanged:: 4.0 + If no callback is given, returns a `.Future`. + + .. versionchanged:: 4.2 + SSL certificates are validated by default; pass + ``ssl_options=dict(cert_reqs=ssl.CERT_NONE)`` or a + suitably-configured `ssl.SSLContext` to the + `SSLIOStream` constructor to disable. + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + """ + self._connecting = True + future = Future() # type: Future[_IOStreamType] + self._connect_future = typing.cast("Future[IOStream]", future) + try: + self.socket.connect(address) + except socket.error as e: + # In non-blocking mode we expect connect() to raise an + # exception with EINPROGRESS or EWOULDBLOCK. + # + # On freebsd, other errors such as ECONNREFUSED may be + # returned immediately when attempting to connect to + # localhost, so handle them the same way as an error + # reported later in _handle_connect. + if ( + errno_from_exception(e) not in _ERRNO_INPROGRESS + and errno_from_exception(e) not in _ERRNO_WOULDBLOCK + ): + if future is None: + gen_log.warning( + "Connect error on fd %s: %s", self.socket.fileno(), e + ) + self.close(exc_info=e) + return future + self._add_io_state(self.io_loop.WRITE) + return future + + def start_tls( + self, + server_side: bool, + ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None, + server_hostname: str = None, + ) -> Awaitable["SSLIOStream"]: + """Convert this `IOStream` to an `SSLIOStream`. + + This enables protocols that begin in clear-text mode and + switch to SSL after some initial negotiation (such as the + ``STARTTLS`` extension to SMTP and IMAP). + + This method cannot be used if there are outstanding reads + or writes on the stream, or if there is any data in the + IOStream's buffer (data in the operating system's socket + buffer is allowed). This means it must generally be used + immediately after reading or writing the last clear-text + data. It can also be used immediately after connecting, + before any reads or writes. + + The ``ssl_options`` argument may be either an `ssl.SSLContext` + object or a dictionary of keyword arguments for the + `ssl.wrap_socket` function. The ``server_hostname`` argument + will be used for certificate validation unless disabled + in the ``ssl_options``. + + This method returns a `.Future` whose result is the new + `SSLIOStream`. After this method has been called, + any other operation on the original stream is undefined. + + If a close callback is defined on this stream, it will be + transferred to the new stream. + + .. versionadded:: 4.0 + + .. versionchanged:: 4.2 + SSL certificates are validated by default; pass + ``ssl_options=dict(cert_reqs=ssl.CERT_NONE)`` or a + suitably-configured `ssl.SSLContext` to disable. + """ + if ( + self._read_future + or self._write_futures + or self._connect_future + or self._closed + or self._read_buffer + or self._write_buffer + ): + raise ValueError("IOStream is not idle; cannot convert to SSL") + if ssl_options is None: + if server_side: + ssl_options = _server_ssl_defaults + else: + ssl_options = _client_ssl_defaults + + socket = self.socket + self.io_loop.remove_handler(socket) + self.socket = None # type: ignore + socket = ssl_wrap_socket( + socket, + ssl_options, + server_hostname=server_hostname, + server_side=server_side, + do_handshake_on_connect=False, + ) + orig_close_callback = self._close_callback + self._close_callback = None + + future = Future() # type: Future[SSLIOStream] + ssl_stream = SSLIOStream(socket, ssl_options=ssl_options) + ssl_stream.set_close_callback(orig_close_callback) + ssl_stream._ssl_connect_future = future + ssl_stream.max_buffer_size = self.max_buffer_size + ssl_stream.read_chunk_size = self.read_chunk_size + return future + + def _handle_connect(self) -> None: + try: + err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR) + except socket.error as e: + # Hurd doesn't allow SO_ERROR for loopback sockets because all + # errors for such sockets are reported synchronously. + if errno_from_exception(e) == errno.ENOPROTOOPT: + err = 0 + if err != 0: + self.error = socket.error(err, os.strerror(err)) + # IOLoop implementations may vary: some of them return + # an error state before the socket becomes writable, so + # in that case a connection failure would be handled by the + # error path in _handle_events instead of here. + if self._connect_future is None: + gen_log.warning( + "Connect error on fd %s: %s", + self.socket.fileno(), + errno.errorcode[err], + ) + self.close() + return + if self._connect_future is not None: + future = self._connect_future + self._connect_future = None + future_set_result_unless_cancelled(future, self) + self._connecting = False + + def set_nodelay(self, value: bool) -> None: + if self.socket is not None and self.socket.family in ( + socket.AF_INET, + socket.AF_INET6, + ): + try: + self.socket.setsockopt( + socket.IPPROTO_TCP, socket.TCP_NODELAY, 1 if value else 0 + ) + except socket.error as e: + # Sometimes setsockopt will fail if the socket is closed + # at the wrong time. This can happen with HTTPServer + # resetting the value to ``False`` between requests. + if e.errno != errno.EINVAL and not self._is_connreset(e): + raise + + +class SSLIOStream(IOStream): + """A utility class to write to and read from a non-blocking SSL socket. + + If the socket passed to the constructor is already connected, + it should be wrapped with:: + + ssl.wrap_socket(sock, do_handshake_on_connect=False, **kwargs) + + before constructing the `SSLIOStream`. Unconnected sockets will be + wrapped when `IOStream.connect` is finished. + """ + + socket = None # type: ssl.SSLSocket + + def __init__(self, *args: Any, **kwargs: Any) -> None: + """The ``ssl_options`` keyword argument may either be an + `ssl.SSLContext` object or a dictionary of keywords arguments + for `ssl.wrap_socket` + """ + self._ssl_options = kwargs.pop("ssl_options", _client_ssl_defaults) + super(SSLIOStream, self).__init__(*args, **kwargs) + self._ssl_accepting = True + self._handshake_reading = False + self._handshake_writing = False + self._server_hostname = None # type: Optional[str] + + # If the socket is already connected, attempt to start the handshake. + try: + self.socket.getpeername() + except socket.error: + pass + else: + # Indirectly start the handshake, which will run on the next + # IOLoop iteration and then the real IO state will be set in + # _handle_events. + self._add_io_state(self.io_loop.WRITE) + + def reading(self) -> bool: + return self._handshake_reading or super(SSLIOStream, self).reading() + + def writing(self) -> bool: + return self._handshake_writing or super(SSLIOStream, self).writing() + + def _do_ssl_handshake(self) -> None: + # Based on code from test_ssl.py in the python stdlib + try: + self._handshake_reading = False + self._handshake_writing = False + self.socket.do_handshake() + except ssl.SSLError as err: + if err.args[0] == ssl.SSL_ERROR_WANT_READ: + self._handshake_reading = True + return + elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE: + self._handshake_writing = True + return + elif err.args[0] in (ssl.SSL_ERROR_EOF, ssl.SSL_ERROR_ZERO_RETURN): + return self.close(exc_info=err) + elif err.args[0] == ssl.SSL_ERROR_SSL: + try: + peer = self.socket.getpeername() + except Exception: + peer = "(not connected)" + gen_log.warning( + "SSL Error on %s %s: %s", self.socket.fileno(), peer, err + ) + return self.close(exc_info=err) + raise + except socket.error as err: + # Some port scans (e.g. nmap in -sT mode) have been known + # to cause do_handshake to raise EBADF and ENOTCONN, so make + # those errors quiet as well. + # https://groups.google.com/forum/?fromgroups#!topic/python-tornado/ApucKJat1_0 + # Errno 0 is also possible in some cases (nc -z). + # https://github.com/tornadoweb/tornado/issues/2504 + if self._is_connreset(err) or err.args[0] in ( + 0, + errno.EBADF, + errno.ENOTCONN, + ): + return self.close(exc_info=err) + raise + except AttributeError as err: + # On Linux, if the connection was reset before the call to + # wrap_socket, do_handshake will fail with an + # AttributeError. + return self.close(exc_info=err) + else: + self._ssl_accepting = False + if not self._verify_cert(self.socket.getpeercert()): + self.close() + return + self._finish_ssl_connect() + + def _finish_ssl_connect(self) -> None: + if self._ssl_connect_future is not None: + future = self._ssl_connect_future + self._ssl_connect_future = None + future_set_result_unless_cancelled(future, self) + + def _verify_cert(self, peercert: Any) -> bool: + """Returns ``True`` if peercert is valid according to the configured + validation mode and hostname. + + The ssl handshake already tested the certificate for a valid + CA signature; the only thing that remains is to check + the hostname. + """ + if isinstance(self._ssl_options, dict): + verify_mode = self._ssl_options.get("cert_reqs", ssl.CERT_NONE) + elif isinstance(self._ssl_options, ssl.SSLContext): + verify_mode = self._ssl_options.verify_mode + assert verify_mode in (ssl.CERT_NONE, ssl.CERT_REQUIRED, ssl.CERT_OPTIONAL) + if verify_mode == ssl.CERT_NONE or self._server_hostname is None: + return True + cert = self.socket.getpeercert() + if cert is None and verify_mode == ssl.CERT_REQUIRED: + gen_log.warning("No SSL certificate given") + return False + try: + ssl.match_hostname(peercert, self._server_hostname) + except ssl.CertificateError as e: + gen_log.warning("Invalid SSL certificate: %s" % e) + return False + else: + return True + + def _handle_read(self) -> None: + if self._ssl_accepting: + self._do_ssl_handshake() + return + super(SSLIOStream, self)._handle_read() + + def _handle_write(self) -> None: + if self._ssl_accepting: + self._do_ssl_handshake() + return + super(SSLIOStream, self)._handle_write() + + def connect( + self, address: Tuple, server_hostname: str = None + ) -> "Future[SSLIOStream]": + self._server_hostname = server_hostname + # Ignore the result of connect(). If it fails, + # wait_for_handshake will raise an error too. This is + # necessary for the old semantics of the connect callback + # (which takes no arguments). In 6.0 this can be refactored to + # be a regular coroutine. + # TODO: This is trickier than it looks, since if write() + # is called with a connect() pending, we want the connect + # to resolve before the write. Or do we care about this? + # (There's a test for it, but I think in practice users + # either wait for the connect before performing a write or + # they don't care about the connect Future at all) + fut = super(SSLIOStream, self).connect(address) + fut.add_done_callback(lambda f: f.exception()) + return self.wait_for_handshake() + + def _handle_connect(self) -> None: + # Call the superclass method to check for errors. + super(SSLIOStream, self)._handle_connect() + if self.closed(): + return + # When the connection is complete, wrap the socket for SSL + # traffic. Note that we do this by overriding _handle_connect + # instead of by passing a callback to super().connect because + # user callbacks are enqueued asynchronously on the IOLoop, + # but since _handle_events calls _handle_connect immediately + # followed by _handle_write we need this to be synchronous. + # + # The IOLoop will get confused if we swap out self.socket while the + # fd is registered, so remove it now and re-register after + # wrap_socket(). + self.io_loop.remove_handler(self.socket) + old_state = self._state + assert old_state is not None + self._state = None + self.socket = ssl_wrap_socket( + self.socket, + self._ssl_options, + server_hostname=self._server_hostname, + do_handshake_on_connect=False, + ) + self._add_io_state(old_state) + + def wait_for_handshake(self) -> "Future[SSLIOStream]": + """Wait for the initial SSL handshake to complete. + + If a ``callback`` is given, it will be called with no + arguments once the handshake is complete; otherwise this + method returns a `.Future` which will resolve to the + stream itself after the handshake is complete. + + Once the handshake is complete, information such as + the peer's certificate and NPN/ALPN selections may be + accessed on ``self.socket``. + + This method is intended for use on server-side streams + or after using `IOStream.start_tls`; it should not be used + with `IOStream.connect` (which already waits for the + handshake to complete). It may only be called once per stream. + + .. versionadded:: 4.2 + + .. versionchanged:: 6.0 + + The ``callback`` argument was removed. Use the returned + `.Future` instead. + + """ + if self._ssl_connect_future is not None: + raise RuntimeError("Already waiting") + future = self._ssl_connect_future = Future() + if not self._ssl_accepting: + self._finish_ssl_connect() + return future + + def write_to_fd(self, data: memoryview) -> int: + try: + return self.socket.send(data) # type: ignore + except ssl.SSLError as e: + if e.args[0] == ssl.SSL_ERROR_WANT_WRITE: + # In Python 3.5+, SSLSocket.send raises a WANT_WRITE error if + # the socket is not writeable; we need to transform this into + # an EWOULDBLOCK socket.error or a zero return value, + # either of which will be recognized by the caller of this + # method. Prior to Python 3.5, an unwriteable socket would + # simply return 0 bytes written. + return 0 + raise + finally: + # Avoid keeping to data, which can be a memoryview. + # See https://github.com/tornadoweb/tornado/pull/2008 + del data + + def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]: + try: + if self._ssl_accepting: + # If the handshake hasn't finished yet, there can't be anything + # to read (attempting to read may or may not raise an exception + # depending on the SSL version) + return None + try: + return self.socket.recv_into(buf, len(buf)) + except ssl.SSLError as e: + # SSLError is a subclass of socket.error, so this except + # block must come first. + if e.args[0] == ssl.SSL_ERROR_WANT_READ: + return None + else: + raise + except socket.error as e: + if e.args[0] in _ERRNO_WOULDBLOCK: + return None + else: + raise + finally: + del buf + + def _is_connreset(self, e: BaseException) -> bool: + if isinstance(e, ssl.SSLError) and e.args[0] == ssl.SSL_ERROR_EOF: + return True + return super(SSLIOStream, self)._is_connreset(e) + + +class PipeIOStream(BaseIOStream): + """Pipe-based `IOStream` implementation. + + The constructor takes an integer file descriptor (such as one returned + by `os.pipe`) rather than an open file object. Pipes are generally + one-way, so a `PipeIOStream` can be used for reading or writing but not + both. + """ + + def __init__(self, fd: int, *args: Any, **kwargs: Any) -> None: + self.fd = fd + self._fio = io.FileIO(self.fd, "r+") + _set_nonblocking(fd) + super(PipeIOStream, self).__init__(*args, **kwargs) + + def fileno(self) -> int: + return self.fd + + def close_fd(self) -> None: + self._fio.close() + + def write_to_fd(self, data: memoryview) -> int: + try: + return os.write(self.fd, data) # type: ignore + finally: + # Avoid keeping to data, which can be a memoryview. + # See https://github.com/tornadoweb/tornado/pull/2008 + del data + + def read_from_fd(self, buf: Union[bytearray, memoryview]) -> Optional[int]: + try: + return self._fio.readinto(buf) # type: ignore + except (IOError, OSError) as e: + if errno_from_exception(e) == errno.EBADF: + # If the writing half of a pipe is closed, select will + # report it as readable but reads will fail with EBADF. + self.close(exc_info=e) + return None + else: + raise + finally: + del buf + + +def doctests() -> Any: + import doctest + + return doctest.DocTestSuite() diff --git a/venv/lib/python3.7/site-packages/tornado/locale.py b/venv/lib/python3.7/site-packages/tornado/locale.py new file mode 100644 index 0000000..b72d81b --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/locale.py @@ -0,0 +1,564 @@ +# -*- coding: utf-8 -*- +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Translation methods for generating localized strings. + +To load a locale and generate a translated string:: + + user_locale = tornado.locale.get("es_LA") + print(user_locale.translate("Sign out")) + +`tornado.locale.get()` returns the closest matching locale, not necessarily the +specific locale you requested. You can support pluralization with +additional arguments to `~Locale.translate()`, e.g.:: + + people = [...] + message = user_locale.translate( + "%(list)s is online", "%(list)s are online", len(people)) + print(message % {"list": user_locale.list(people)}) + +The first string is chosen if ``len(people) == 1``, otherwise the second +string is chosen. + +Applications should call one of `load_translations` (which uses a simple +CSV format) or `load_gettext_translations` (which uses the ``.mo`` format +supported by `gettext` and related tools). If neither method is called, +the `Locale.translate` method will simply return the original string. +""" + +import codecs +import csv +import datetime +import gettext +import os +import re + +from tornado import escape +from tornado.log import gen_log + +from tornado._locale_data import LOCALE_NAMES + +from typing import Iterable, Any, Union, Dict + +_default_locale = "en_US" +_translations = {} # type: Dict[str, Any] +_supported_locales = frozenset([_default_locale]) +_use_gettext = False +CONTEXT_SEPARATOR = "\x04" + + +def get(*locale_codes: str) -> "Locale": + """Returns the closest match for the given locale codes. + + We iterate over all given locale codes in order. If we have a tight + or a loose match for the code (e.g., "en" for "en_US"), we return + the locale. Otherwise we move to the next code in the list. + + By default we return ``en_US`` if no translations are found for any of + the specified locales. You can change the default locale with + `set_default_locale()`. + """ + return Locale.get_closest(*locale_codes) + + +def set_default_locale(code: str) -> None: + """Sets the default locale. + + The default locale is assumed to be the language used for all strings + in the system. The translations loaded from disk are mappings from + the default locale to the destination locale. Consequently, you don't + need to create a translation file for the default locale. + """ + global _default_locale + global _supported_locales + _default_locale = code + _supported_locales = frozenset(list(_translations.keys()) + [_default_locale]) + + +def load_translations(directory: str, encoding: str = None) -> None: + """Loads translations from CSV files in a directory. + + Translations are strings with optional Python-style named placeholders + (e.g., ``My name is %(name)s``) and their associated translations. + + The directory should have translation files of the form ``LOCALE.csv``, + e.g. ``es_GT.csv``. The CSV files should have two or three columns: string, + translation, and an optional plural indicator. Plural indicators should + be one of "plural" or "singular". A given string can have both singular + and plural forms. For example ``%(name)s liked this`` may have a + different verb conjugation depending on whether %(name)s is one + name or a list of names. There should be two rows in the CSV file for + that string, one with plural indicator "singular", and one "plural". + For strings with no verbs that would change on translation, simply + use "unknown" or the empty string (or don't include the column at all). + + The file is read using the `csv` module in the default "excel" dialect. + In this format there should not be spaces after the commas. + + If no ``encoding`` parameter is given, the encoding will be + detected automatically (among UTF-8 and UTF-16) if the file + contains a byte-order marker (BOM), defaulting to UTF-8 if no BOM + is present. + + Example translation ``es_LA.csv``:: + + "I love you","Te amo" + "%(name)s liked this","A %(name)s les gustó esto","plural" + "%(name)s liked this","A %(name)s le gustó esto","singular" + + .. versionchanged:: 4.3 + Added ``encoding`` parameter. Added support for BOM-based encoding + detection, UTF-16, and UTF-8-with-BOM. + """ + global _translations + global _supported_locales + _translations = {} + for path in os.listdir(directory): + if not path.endswith(".csv"): + continue + locale, extension = path.split(".") + if not re.match("[a-z]+(_[A-Z]+)?$", locale): + gen_log.error( + "Unrecognized locale %r (path: %s)", + locale, + os.path.join(directory, path), + ) + continue + full_path = os.path.join(directory, path) + if encoding is None: + # Try to autodetect encoding based on the BOM. + with open(full_path, "rb") as bf: + data = bf.read(len(codecs.BOM_UTF16_LE)) + if data in (codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE): + encoding = "utf-16" + else: + # utf-8-sig is "utf-8 with optional BOM". It's discouraged + # in most cases but is common with CSV files because Excel + # cannot read utf-8 files without a BOM. + encoding = "utf-8-sig" + # python 3: csv.reader requires a file open in text mode. + # Specify an encoding to avoid dependence on $LANG environment variable. + with open(full_path, encoding=encoding) as f: + _translations[locale] = {} + for i, row in enumerate(csv.reader(f)): + if not row or len(row) < 2: + continue + row = [escape.to_unicode(c).strip() for c in row] + english, translation = row[:2] + if len(row) > 2: + plural = row[2] or "unknown" + else: + plural = "unknown" + if plural not in ("plural", "singular", "unknown"): + gen_log.error( + "Unrecognized plural indicator %r in %s line %d", + plural, + path, + i + 1, + ) + continue + _translations[locale].setdefault(plural, {})[english] = translation + _supported_locales = frozenset(list(_translations.keys()) + [_default_locale]) + gen_log.debug("Supported locales: %s", sorted(_supported_locales)) + + +def load_gettext_translations(directory: str, domain: str) -> None: + """Loads translations from `gettext`'s locale tree + + Locale tree is similar to system's ``/usr/share/locale``, like:: + + {directory}/{lang}/LC_MESSAGES/{domain}.mo + + Three steps are required to have your app translated: + + 1. Generate POT translation file:: + + xgettext --language=Python --keyword=_:1,2 -d mydomain file1.py file2.html etc + + 2. Merge against existing POT file:: + + msgmerge old.po mydomain.po > new.po + + 3. Compile:: + + msgfmt mydomain.po -o {directory}/pt_BR/LC_MESSAGES/mydomain.mo + """ + import gettext + + global _translations + global _supported_locales + global _use_gettext + _translations = {} + for lang in os.listdir(directory): + if lang.startswith("."): + continue # skip .svn, etc + if os.path.isfile(os.path.join(directory, lang)): + continue + try: + os.stat(os.path.join(directory, lang, "LC_MESSAGES", domain + ".mo")) + _translations[lang] = gettext.translation( + domain, directory, languages=[lang] + ) + except Exception as e: + gen_log.error("Cannot load translation for '%s': %s", lang, str(e)) + continue + _supported_locales = frozenset(list(_translations.keys()) + [_default_locale]) + _use_gettext = True + gen_log.debug("Supported locales: %s", sorted(_supported_locales)) + + +def get_supported_locales() -> Iterable[str]: + """Returns a list of all the supported locale codes.""" + return _supported_locales + + +class Locale(object): + """Object representing a locale. + + After calling one of `load_translations` or `load_gettext_translations`, + call `get` or `get_closest` to get a Locale object. + """ + + _cache = {} # type: Dict[str, Locale] + + @classmethod + def get_closest(cls, *locale_codes: str) -> "Locale": + """Returns the closest match for the given locale code.""" + for code in locale_codes: + if not code: + continue + code = code.replace("-", "_") + parts = code.split("_") + if len(parts) > 2: + continue + elif len(parts) == 2: + code = parts[0].lower() + "_" + parts[1].upper() + if code in _supported_locales: + return cls.get(code) + if parts[0].lower() in _supported_locales: + return cls.get(parts[0].lower()) + return cls.get(_default_locale) + + @classmethod + def get(cls, code: str) -> "Locale": + """Returns the Locale for the given locale code. + + If it is not supported, we raise an exception. + """ + if code not in cls._cache: + assert code in _supported_locales + translations = _translations.get(code, None) + if translations is None: + locale = CSVLocale(code, {}) # type: Locale + elif _use_gettext: + locale = GettextLocale(code, translations) + else: + locale = CSVLocale(code, translations) + cls._cache[code] = locale + return cls._cache[code] + + def __init__(self, code: str) -> None: + self.code = code + self.name = LOCALE_NAMES.get(code, {}).get("name", u"Unknown") + self.rtl = False + for prefix in ["fa", "ar", "he"]: + if self.code.startswith(prefix): + self.rtl = True + break + + # Initialize strings for date formatting + _ = self.translate + self._months = [ + _("January"), + _("February"), + _("March"), + _("April"), + _("May"), + _("June"), + _("July"), + _("August"), + _("September"), + _("October"), + _("November"), + _("December"), + ] + self._weekdays = [ + _("Monday"), + _("Tuesday"), + _("Wednesday"), + _("Thursday"), + _("Friday"), + _("Saturday"), + _("Sunday"), + ] + + def translate( + self, message: str, plural_message: str = None, count: int = None + ) -> str: + """Returns the translation for the given message for this locale. + + If ``plural_message`` is given, you must also provide + ``count``. We return ``plural_message`` when ``count != 1``, + and we return the singular form for the given message when + ``count == 1``. + """ + raise NotImplementedError() + + def pgettext( + self, context: str, message: str, plural_message: str = None, count: int = None + ) -> str: + raise NotImplementedError() + + def format_date( + self, + date: Union[int, float, datetime.datetime], + gmt_offset: int = 0, + relative: bool = True, + shorter: bool = False, + full_format: bool = False, + ) -> str: + """Formats the given date (which should be GMT). + + By default, we return a relative time (e.g., "2 minutes ago"). You + can return an absolute date string with ``relative=False``. + + You can force a full format date ("July 10, 1980") with + ``full_format=True``. + + This method is primarily intended for dates in the past. + For dates in the future, we fall back to full format. + """ + if isinstance(date, (int, float)): + date = datetime.datetime.utcfromtimestamp(date) + now = datetime.datetime.utcnow() + if date > now: + if relative and (date - now).seconds < 60: + # Due to click skew, things are some things slightly + # in the future. Round timestamps in the immediate + # future down to now in relative mode. + date = now + else: + # Otherwise, future dates always use the full format. + full_format = True + local_date = date - datetime.timedelta(minutes=gmt_offset) + local_now = now - datetime.timedelta(minutes=gmt_offset) + local_yesterday = local_now - datetime.timedelta(hours=24) + difference = now - date + seconds = difference.seconds + days = difference.days + + _ = self.translate + format = None + if not full_format: + if relative and days == 0: + if seconds < 50: + return _("1 second ago", "%(seconds)d seconds ago", seconds) % { + "seconds": seconds + } + + if seconds < 50 * 60: + minutes = round(seconds / 60.0) + return _("1 minute ago", "%(minutes)d minutes ago", minutes) % { + "minutes": minutes + } + + hours = round(seconds / (60.0 * 60)) + return _("1 hour ago", "%(hours)d hours ago", hours) % {"hours": hours} + + if days == 0: + format = _("%(time)s") + elif days == 1 and local_date.day == local_yesterday.day and relative: + format = _("yesterday") if shorter else _("yesterday at %(time)s") + elif days < 5: + format = _("%(weekday)s") if shorter else _("%(weekday)s at %(time)s") + elif days < 334: # 11mo, since confusing for same month last year + format = ( + _("%(month_name)s %(day)s") + if shorter + else _("%(month_name)s %(day)s at %(time)s") + ) + + if format is None: + format = ( + _("%(month_name)s %(day)s, %(year)s") + if shorter + else _("%(month_name)s %(day)s, %(year)s at %(time)s") + ) + + tfhour_clock = self.code not in ("en", "en_US", "zh_CN") + if tfhour_clock: + str_time = "%d:%02d" % (local_date.hour, local_date.minute) + elif self.code == "zh_CN": + str_time = "%s%d:%02d" % ( + (u"\u4e0a\u5348", u"\u4e0b\u5348")[local_date.hour >= 12], + local_date.hour % 12 or 12, + local_date.minute, + ) + else: + str_time = "%d:%02d %s" % ( + local_date.hour % 12 or 12, + local_date.minute, + ("am", "pm")[local_date.hour >= 12], + ) + + return format % { + "month_name": self._months[local_date.month - 1], + "weekday": self._weekdays[local_date.weekday()], + "day": str(local_date.day), + "year": str(local_date.year), + "time": str_time, + } + + def format_day( + self, date: datetime.datetime, gmt_offset: int = 0, dow: bool = True + ) -> bool: + """Formats the given date as a day of week. + + Example: "Monday, January 22". You can remove the day of week with + ``dow=False``. + """ + local_date = date - datetime.timedelta(minutes=gmt_offset) + _ = self.translate + if dow: + return _("%(weekday)s, %(month_name)s %(day)s") % { + "month_name": self._months[local_date.month - 1], + "weekday": self._weekdays[local_date.weekday()], + "day": str(local_date.day), + } + else: + return _("%(month_name)s %(day)s") % { + "month_name": self._months[local_date.month - 1], + "day": str(local_date.day), + } + + def list(self, parts: Any) -> str: + """Returns a comma-separated list for the given list of parts. + + The format is, e.g., "A, B and C", "A and B" or just "A" for lists + of size 1. + """ + _ = self.translate + if len(parts) == 0: + return "" + if len(parts) == 1: + return parts[0] + comma = u" \u0648 " if self.code.startswith("fa") else u", " + return _("%(commas)s and %(last)s") % { + "commas": comma.join(parts[:-1]), + "last": parts[len(parts) - 1], + } + + def friendly_number(self, value: int) -> str: + """Returns a comma-separated number for the given integer.""" + if self.code not in ("en", "en_US"): + return str(value) + s = str(value) + parts = [] + while s: + parts.append(s[-3:]) + s = s[:-3] + return ",".join(reversed(parts)) + + +class CSVLocale(Locale): + """Locale implementation using tornado's CSV translation format.""" + + def __init__(self, code: str, translations: Dict[str, Dict[str, str]]) -> None: + self.translations = translations + super(CSVLocale, self).__init__(code) + + def translate( + self, message: str, plural_message: str = None, count: int = None + ) -> str: + if plural_message is not None: + assert count is not None + if count != 1: + message = plural_message + message_dict = self.translations.get("plural", {}) + else: + message_dict = self.translations.get("singular", {}) + else: + message_dict = self.translations.get("unknown", {}) + return message_dict.get(message, message) + + def pgettext( + self, context: str, message: str, plural_message: str = None, count: int = None + ) -> str: + if self.translations: + gen_log.warning("pgettext is not supported by CSVLocale") + return self.translate(message, plural_message, count) + + +class GettextLocale(Locale): + """Locale implementation using the `gettext` module.""" + + def __init__(self, code: str, translations: gettext.NullTranslations) -> None: + self.ngettext = translations.ngettext + self.gettext = translations.gettext + # self.gettext must exist before __init__ is called, since it + # calls into self.translate + super(GettextLocale, self).__init__(code) + + def translate( + self, message: str, plural_message: str = None, count: int = None + ) -> str: + if plural_message is not None: + assert count is not None + return self.ngettext(message, plural_message, count) + else: + return self.gettext(message) + + def pgettext( + self, context: str, message: str, plural_message: str = None, count: int = None + ) -> str: + """Allows to set context for translation, accepts plural forms. + + Usage example:: + + pgettext("law", "right") + pgettext("good", "right") + + Plural message example:: + + pgettext("organization", "club", "clubs", len(clubs)) + pgettext("stick", "club", "clubs", len(clubs)) + + To generate POT file with context, add following options to step 1 + of `load_gettext_translations` sequence:: + + xgettext [basic options] --keyword=pgettext:1c,2 --keyword=pgettext:1c,2,3 + + .. versionadded:: 4.2 + """ + if plural_message is not None: + assert count is not None + msgs_with_ctxt = ( + "%s%s%s" % (context, CONTEXT_SEPARATOR, message), + "%s%s%s" % (context, CONTEXT_SEPARATOR, plural_message), + count, + ) + result = self.ngettext(*msgs_with_ctxt) + if CONTEXT_SEPARATOR in result: + # Translation not found + result = self.ngettext(message, plural_message, count) + return result + else: + msg_with_ctxt = "%s%s%s" % (context, CONTEXT_SEPARATOR, message) + result = self.gettext(msg_with_ctxt) + if CONTEXT_SEPARATOR in result: + # Translation not found + result = message + return result diff --git a/venv/lib/python3.7/site-packages/tornado/locks.py b/venv/lib/python3.7/site-packages/tornado/locks.py new file mode 100644 index 0000000..699bb30 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/locks.py @@ -0,0 +1,570 @@ +# Copyright 2015 The Tornado Authors +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import collections +from concurrent.futures import CancelledError +import datetime +import types + +from tornado import gen, ioloop +from tornado.concurrent import Future, future_set_result_unless_cancelled + +from typing import Union, Optional, Type, Any, Awaitable +import typing + +if typing.TYPE_CHECKING: + from typing import Deque, Set # noqa: F401 + +__all__ = ["Condition", "Event", "Semaphore", "BoundedSemaphore", "Lock"] + + +class _TimeoutGarbageCollector(object): + """Base class for objects that periodically clean up timed-out waiters. + + Avoids memory leak in a common pattern like: + + while True: + yield condition.wait(short_timeout) + print('looping....') + """ + + def __init__(self) -> None: + self._waiters = collections.deque() # type: Deque[Future] + self._timeouts = 0 + + def _garbage_collect(self) -> None: + # Occasionally clear timed-out waiters. + self._timeouts += 1 + if self._timeouts > 100: + self._timeouts = 0 + self._waiters = collections.deque(w for w in self._waiters if not w.done()) + + +class Condition(_TimeoutGarbageCollector): + """A condition allows one or more coroutines to wait until notified. + + Like a standard `threading.Condition`, but does not need an underlying lock + that is acquired and released. + + With a `Condition`, coroutines can wait to be notified by other coroutines: + + .. testcode:: + + from tornado import gen + from tornado.ioloop import IOLoop + from tornado.locks import Condition + + condition = Condition() + + async def waiter(): + print("I'll wait right here") + await condition.wait() + print("I'm done waiting") + + async def notifier(): + print("About to notify") + condition.notify() + print("Done notifying") + + async def runner(): + # Wait for waiter() and notifier() in parallel + await gen.multi([waiter(), notifier()]) + + IOLoop.current().run_sync(runner) + + .. testoutput:: + + I'll wait right here + About to notify + Done notifying + I'm done waiting + + `wait` takes an optional ``timeout`` argument, which is either an absolute + timestamp:: + + io_loop = IOLoop.current() + + # Wait up to 1 second for a notification. + await condition.wait(timeout=io_loop.time() + 1) + + ...or a `datetime.timedelta` for a timeout relative to the current time:: + + # Wait up to 1 second. + await condition.wait(timeout=datetime.timedelta(seconds=1)) + + The method returns False if there's no notification before the deadline. + + .. versionchanged:: 5.0 + Previously, waiters could be notified synchronously from within + `notify`. Now, the notification will always be received on the + next iteration of the `.IOLoop`. + """ + + def __init__(self) -> None: + super(Condition, self).__init__() + self.io_loop = ioloop.IOLoop.current() + + def __repr__(self) -> str: + result = "<%s" % (self.__class__.__name__,) + if self._waiters: + result += " waiters[%s]" % len(self._waiters) + return result + ">" + + def wait(self, timeout: Union[float, datetime.timedelta] = None) -> Awaitable[bool]: + """Wait for `.notify`. + + Returns a `.Future` that resolves ``True`` if the condition is notified, + or ``False`` after a timeout. + """ + waiter = Future() # type: Future[bool] + self._waiters.append(waiter) + if timeout: + + def on_timeout() -> None: + if not waiter.done(): + future_set_result_unless_cancelled(waiter, False) + self._garbage_collect() + + io_loop = ioloop.IOLoop.current() + timeout_handle = io_loop.add_timeout(timeout, on_timeout) + waiter.add_done_callback(lambda _: io_loop.remove_timeout(timeout_handle)) + return waiter + + def notify(self, n: int = 1) -> None: + """Wake ``n`` waiters.""" + waiters = [] # Waiters we plan to run right now. + while n and self._waiters: + waiter = self._waiters.popleft() + if not waiter.done(): # Might have timed out. + n -= 1 + waiters.append(waiter) + + for waiter in waiters: + future_set_result_unless_cancelled(waiter, True) + + def notify_all(self) -> None: + """Wake all waiters.""" + self.notify(len(self._waiters)) + + +class Event(object): + """An event blocks coroutines until its internal flag is set to True. + + Similar to `threading.Event`. + + A coroutine can wait for an event to be set. Once it is set, calls to + ``yield event.wait()`` will not block unless the event has been cleared: + + .. testcode:: + + from tornado import gen + from tornado.ioloop import IOLoop + from tornado.locks import Event + + event = Event() + + async def waiter(): + print("Waiting for event") + await event.wait() + print("Not waiting this time") + await event.wait() + print("Done") + + async def setter(): + print("About to set the event") + event.set() + + async def runner(): + await gen.multi([waiter(), setter()]) + + IOLoop.current().run_sync(runner) + + .. testoutput:: + + Waiting for event + About to set the event + Not waiting this time + Done + """ + + def __init__(self) -> None: + self._value = False + self._waiters = set() # type: Set[Future[None]] + + def __repr__(self) -> str: + return "<%s %s>" % ( + self.__class__.__name__, + "set" if self.is_set() else "clear", + ) + + def is_set(self) -> bool: + """Return ``True`` if the internal flag is true.""" + return self._value + + def set(self) -> None: + """Set the internal flag to ``True``. All waiters are awakened. + + Calling `.wait` once the flag is set will not block. + """ + if not self._value: + self._value = True + + for fut in self._waiters: + if not fut.done(): + fut.set_result(None) + + def clear(self) -> None: + """Reset the internal flag to ``False``. + + Calls to `.wait` will block until `.set` is called. + """ + self._value = False + + def wait(self, timeout: Union[float, datetime.timedelta] = None) -> Awaitable[None]: + """Block until the internal flag is true. + + Returns an awaitable, which raises `tornado.util.TimeoutError` after a + timeout. + """ + fut = Future() # type: Future[None] + if self._value: + fut.set_result(None) + return fut + self._waiters.add(fut) + fut.add_done_callback(lambda fut: self._waiters.remove(fut)) + if timeout is None: + return fut + else: + timeout_fut = gen.with_timeout( + timeout, fut, quiet_exceptions=(CancelledError,) + ) + # This is a slightly clumsy workaround for the fact that + # gen.with_timeout doesn't cancel its futures. Cancelling + # fut will remove it from the waiters list. + timeout_fut.add_done_callback( + lambda tf: fut.cancel() if not fut.done() else None + ) + return timeout_fut + + +class _ReleasingContextManager(object): + """Releases a Lock or Semaphore at the end of a "with" statement. + + with (yield semaphore.acquire()): + pass + + # Now semaphore.release() has been called. + """ + + def __init__(self, obj: Any) -> None: + self._obj = obj + + def __enter__(self) -> None: + pass + + def __exit__( + self, + exc_type: "Optional[Type[BaseException]]", + exc_val: Optional[BaseException], + exc_tb: Optional[types.TracebackType], + ) -> None: + self._obj.release() + + +class Semaphore(_TimeoutGarbageCollector): + """A lock that can be acquired a fixed number of times before blocking. + + A Semaphore manages a counter representing the number of `.release` calls + minus the number of `.acquire` calls, plus an initial value. The `.acquire` + method blocks if necessary until it can return without making the counter + negative. + + Semaphores limit access to a shared resource. To allow access for two + workers at a time: + + .. testsetup:: semaphore + + from collections import deque + + from tornado import gen + from tornado.ioloop import IOLoop + from tornado.concurrent import Future + + # Ensure reliable doctest output: resolve Futures one at a time. + futures_q = deque([Future() for _ in range(3)]) + + async def simulator(futures): + for f in futures: + # simulate the asynchronous passage of time + await gen.sleep(0) + await gen.sleep(0) + f.set_result(None) + + IOLoop.current().add_callback(simulator, list(futures_q)) + + def use_some_resource(): + return futures_q.popleft() + + .. testcode:: semaphore + + from tornado import gen + from tornado.ioloop import IOLoop + from tornado.locks import Semaphore + + sem = Semaphore(2) + + async def worker(worker_id): + await sem.acquire() + try: + print("Worker %d is working" % worker_id) + await use_some_resource() + finally: + print("Worker %d is done" % worker_id) + sem.release() + + async def runner(): + # Join all workers. + await gen.multi([worker(i) for i in range(3)]) + + IOLoop.current().run_sync(runner) + + .. testoutput:: semaphore + + Worker 0 is working + Worker 1 is working + Worker 0 is done + Worker 2 is working + Worker 1 is done + Worker 2 is done + + Workers 0 and 1 are allowed to run concurrently, but worker 2 waits until + the semaphore has been released once, by worker 0. + + The semaphore can be used as an async context manager:: + + async def worker(worker_id): + async with sem: + print("Worker %d is working" % worker_id) + await use_some_resource() + + # Now the semaphore has been released. + print("Worker %d is done" % worker_id) + + For compatibility with older versions of Python, `.acquire` is a + context manager, so ``worker`` could also be written as:: + + @gen.coroutine + def worker(worker_id): + with (yield sem.acquire()): + print("Worker %d is working" % worker_id) + yield use_some_resource() + + # Now the semaphore has been released. + print("Worker %d is done" % worker_id) + + .. versionchanged:: 4.3 + Added ``async with`` support in Python 3.5. + + """ + + def __init__(self, value: int = 1) -> None: + super(Semaphore, self).__init__() + if value < 0: + raise ValueError("semaphore initial value must be >= 0") + + self._value = value + + def __repr__(self) -> str: + res = super(Semaphore, self).__repr__() + extra = ( + "locked" if self._value == 0 else "unlocked,value:{0}".format(self._value) + ) + if self._waiters: + extra = "{0},waiters:{1}".format(extra, len(self._waiters)) + return "<{0} [{1}]>".format(res[1:-1], extra) + + def release(self) -> None: + """Increment the counter and wake one waiter.""" + self._value += 1 + while self._waiters: + waiter = self._waiters.popleft() + if not waiter.done(): + self._value -= 1 + + # If the waiter is a coroutine paused at + # + # with (yield semaphore.acquire()): + # + # then the context manager's __exit__ calls release() at the end + # of the "with" block. + waiter.set_result(_ReleasingContextManager(self)) + break + + def acquire( + self, timeout: Union[float, datetime.timedelta] = None + ) -> Awaitable[_ReleasingContextManager]: + """Decrement the counter. Returns an awaitable. + + Block if the counter is zero and wait for a `.release`. The awaitable + raises `.TimeoutError` after the deadline. + """ + waiter = Future() # type: Future[_ReleasingContextManager] + if self._value > 0: + self._value -= 1 + waiter.set_result(_ReleasingContextManager(self)) + else: + self._waiters.append(waiter) + if timeout: + + def on_timeout() -> None: + if not waiter.done(): + waiter.set_exception(gen.TimeoutError()) + self._garbage_collect() + + io_loop = ioloop.IOLoop.current() + timeout_handle = io_loop.add_timeout(timeout, on_timeout) + waiter.add_done_callback( + lambda _: io_loop.remove_timeout(timeout_handle) + ) + return waiter + + def __enter__(self) -> None: + raise RuntimeError("Use 'async with' instead of 'with' for Semaphore") + + def __exit__( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + traceback: Optional[types.TracebackType], + ) -> None: + self.__enter__() + + async def __aenter__(self) -> None: + await self.acquire() + + async def __aexit__( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + tb: Optional[types.TracebackType], + ) -> None: + self.release() + + +class BoundedSemaphore(Semaphore): + """A semaphore that prevents release() being called too many times. + + If `.release` would increment the semaphore's value past the initial + value, it raises `ValueError`. Semaphores are mostly used to guard + resources with limited capacity, so a semaphore released too many times + is a sign of a bug. + """ + + def __init__(self, value: int = 1) -> None: + super(BoundedSemaphore, self).__init__(value=value) + self._initial_value = value + + def release(self) -> None: + """Increment the counter and wake one waiter.""" + if self._value >= self._initial_value: + raise ValueError("Semaphore released too many times") + super(BoundedSemaphore, self).release() + + +class Lock(object): + """A lock for coroutines. + + A Lock begins unlocked, and `acquire` locks it immediately. While it is + locked, a coroutine that yields `acquire` waits until another coroutine + calls `release`. + + Releasing an unlocked lock raises `RuntimeError`. + + A Lock can be used as an async context manager with the ``async + with`` statement: + + >>> from tornado import locks + >>> lock = locks.Lock() + >>> + >>> async def f(): + ... async with lock: + ... # Do something holding the lock. + ... pass + ... + ... # Now the lock is released. + + For compatibility with older versions of Python, the `.acquire` + method asynchronously returns a regular context manager: + + >>> async def f2(): + ... with (yield lock.acquire()): + ... # Do something holding the lock. + ... pass + ... + ... # Now the lock is released. + + .. versionchanged:: 4.3 + Added ``async with`` support in Python 3.5. + + """ + + def __init__(self) -> None: + self._block = BoundedSemaphore(value=1) + + def __repr__(self) -> str: + return "<%s _block=%s>" % (self.__class__.__name__, self._block) + + def acquire( + self, timeout: Union[float, datetime.timedelta] = None + ) -> Awaitable[_ReleasingContextManager]: + """Attempt to lock. Returns an awaitable. + + Returns an awaitable, which raises `tornado.util.TimeoutError` after a + timeout. + """ + return self._block.acquire(timeout) + + def release(self) -> None: + """Unlock. + + The first coroutine in line waiting for `acquire` gets the lock. + + If not locked, raise a `RuntimeError`. + """ + try: + self._block.release() + except ValueError: + raise RuntimeError("release unlocked lock") + + def __enter__(self) -> None: + raise RuntimeError("Use `async with` instead of `with` for Lock") + + def __exit__( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + tb: Optional[types.TracebackType], + ) -> None: + self.__enter__() + + async def __aenter__(self) -> None: + await self.acquire() + + async def __aexit__( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + tb: Optional[types.TracebackType], + ) -> None: + self.release() diff --git a/venv/lib/python3.7/site-packages/tornado/log.py b/venv/lib/python3.7/site-packages/tornado/log.py new file mode 100644 index 0000000..435cd71 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/log.py @@ -0,0 +1,336 @@ +# +# Copyright 2012 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +"""Logging support for Tornado. + +Tornado uses three logger streams: + +* ``tornado.access``: Per-request logging for Tornado's HTTP servers (and + potentially other servers in the future) +* ``tornado.application``: Logging of errors from application code (i.e. + uncaught exceptions from callbacks) +* ``tornado.general``: General-purpose logging, including any errors + or warnings from Tornado itself. + +These streams may be configured independently using the standard library's +`logging` module. For example, you may wish to send ``tornado.access`` logs +to a separate file for analysis. +""" +import logging +import logging.handlers +import sys + +from tornado.escape import _unicode +from tornado.util import unicode_type, basestring_type + +try: + import colorama # type: ignore +except ImportError: + colorama = None + +try: + import curses +except ImportError: + curses = None # type: ignore + +from typing import Dict, Any, cast + +# Logger objects for internal tornado use +access_log = logging.getLogger("tornado.access") +app_log = logging.getLogger("tornado.application") +gen_log = logging.getLogger("tornado.general") + + +def _stderr_supports_color() -> bool: + try: + if hasattr(sys.stderr, "isatty") and sys.stderr.isatty(): + if curses: + curses.setupterm() + if curses.tigetnum("colors") > 0: + return True + elif colorama: + if sys.stderr is getattr( + colorama.initialise, "wrapped_stderr", object() + ): + return True + except Exception: + # Very broad exception handling because it's always better to + # fall back to non-colored logs than to break at startup. + pass + return False + + +def _safe_unicode(s: Any) -> str: + try: + return _unicode(s) + except UnicodeDecodeError: + return repr(s) + + +class LogFormatter(logging.Formatter): + """Log formatter used in Tornado. + + Key features of this formatter are: + + * Color support when logging to a terminal that supports it. + * Timestamps on every log line. + * Robust against str/bytes encoding problems. + + This formatter is enabled automatically by + `tornado.options.parse_command_line` or `tornado.options.parse_config_file` + (unless ``--logging=none`` is used). + + Color support on Windows versions that do not support ANSI color codes is + enabled by use of the colorama__ library. Applications that wish to use + this must first initialize colorama with a call to ``colorama.init``. + See the colorama documentation for details. + + __ https://pypi.python.org/pypi/colorama + + .. versionchanged:: 4.5 + Added support for ``colorama``. Changed the constructor + signature to be compatible with `logging.config.dictConfig`. + """ + + DEFAULT_FORMAT = "%(color)s[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s" # noqa: E501 + DEFAULT_DATE_FORMAT = "%y%m%d %H:%M:%S" + DEFAULT_COLORS = { + logging.DEBUG: 4, # Blue + logging.INFO: 2, # Green + logging.WARNING: 3, # Yellow + logging.ERROR: 1, # Red + } + + def __init__( + self, + fmt: str = DEFAULT_FORMAT, + datefmt: str = DEFAULT_DATE_FORMAT, + style: str = "%", + color: bool = True, + colors: Dict[int, int] = DEFAULT_COLORS, + ) -> None: + r""" + :arg bool color: Enables color support. + :arg str fmt: Log message format. + It will be applied to the attributes dict of log records. The + text between ``%(color)s`` and ``%(end_color)s`` will be colored + depending on the level if color support is on. + :arg dict colors: color mappings from logging level to terminal color + code + :arg str datefmt: Datetime format. + Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``. + + .. versionchanged:: 3.2 + + Added ``fmt`` and ``datefmt`` arguments. + """ + logging.Formatter.__init__(self, datefmt=datefmt) + self._fmt = fmt + + self._colors = {} # type: Dict[int, str] + if color and _stderr_supports_color(): + if curses is not None: + fg_color = curses.tigetstr("setaf") or curses.tigetstr("setf") or b"" + + for levelno, code in colors.items(): + # Convert the terminal control characters from + # bytes to unicode strings for easier use with the + # logging module. + self._colors[levelno] = unicode_type( + curses.tparm(fg_color, code), "ascii" + ) + self._normal = unicode_type(curses.tigetstr("sgr0"), "ascii") + else: + # If curses is not present (currently we'll only get here for + # colorama on windows), assume hard-coded ANSI color codes. + for levelno, code in colors.items(): + self._colors[levelno] = "\033[2;3%dm" % code + self._normal = "\033[0m" + else: + self._normal = "" + + def format(self, record: Any) -> str: + try: + message = record.getMessage() + assert isinstance(message, basestring_type) # guaranteed by logging + # Encoding notes: The logging module prefers to work with character + # strings, but only enforces that log messages are instances of + # basestring. In python 2, non-ascii bytestrings will make + # their way through the logging framework until they blow up with + # an unhelpful decoding error (with this formatter it happens + # when we attach the prefix, but there are other opportunities for + # exceptions further along in the framework). + # + # If a byte string makes it this far, convert it to unicode to + # ensure it will make it out to the logs. Use repr() as a fallback + # to ensure that all byte strings can be converted successfully, + # but don't do it by default so we don't add extra quotes to ascii + # bytestrings. This is a bit of a hacky place to do this, but + # it's worth it since the encoding errors that would otherwise + # result are so useless (and tornado is fond of using utf8-encoded + # byte strings wherever possible). + record.message = _safe_unicode(message) + except Exception as e: + record.message = "Bad message (%r): %r" % (e, record.__dict__) + + record.asctime = self.formatTime(record, cast(str, self.datefmt)) + + if record.levelno in self._colors: + record.color = self._colors[record.levelno] + record.end_color = self._normal + else: + record.color = record.end_color = "" + + formatted = self._fmt % record.__dict__ + + if record.exc_info: + if not record.exc_text: + record.exc_text = self.formatException(record.exc_info) + if record.exc_text: + # exc_text contains multiple lines. We need to _safe_unicode + # each line separately so that non-utf8 bytes don't cause + # all the newlines to turn into '\n'. + lines = [formatted.rstrip()] + lines.extend(_safe_unicode(ln) for ln in record.exc_text.split("\n")) + formatted = "\n".join(lines) + return formatted.replace("\n", "\n ") + + +def enable_pretty_logging(options: Any = None, logger: logging.Logger = None) -> None: + """Turns on formatted logging output as configured. + + This is called automatically by `tornado.options.parse_command_line` + and `tornado.options.parse_config_file`. + """ + if options is None: + import tornado.options + + options = tornado.options.options + if options.logging is None or options.logging.lower() == "none": + return + if logger is None: + logger = logging.getLogger() + logger.setLevel(getattr(logging, options.logging.upper())) + if options.log_file_prefix: + rotate_mode = options.log_rotate_mode + if rotate_mode == "size": + channel = logging.handlers.RotatingFileHandler( + filename=options.log_file_prefix, + maxBytes=options.log_file_max_size, + backupCount=options.log_file_num_backups, + encoding="utf-8", + ) # type: logging.Handler + elif rotate_mode == "time": + channel = logging.handlers.TimedRotatingFileHandler( + filename=options.log_file_prefix, + when=options.log_rotate_when, + interval=options.log_rotate_interval, + backupCount=options.log_file_num_backups, + encoding="utf-8", + ) + else: + error_message = ( + "The value of log_rotate_mode option should be " + + '"size" or "time", not "%s".' % rotate_mode + ) + raise ValueError(error_message) + channel.setFormatter(LogFormatter(color=False)) + logger.addHandler(channel) + + if options.log_to_stderr or (options.log_to_stderr is None and not logger.handlers): + # Set up color if we are in a tty and curses is installed + channel = logging.StreamHandler() + channel.setFormatter(LogFormatter()) + logger.addHandler(channel) + + +def define_logging_options(options: Any = None) -> None: + """Add logging-related flags to ``options``. + + These options are present automatically on the default options instance; + this method is only necessary if you have created your own `.OptionParser`. + + .. versionadded:: 4.2 + This function existed in prior versions but was broken and undocumented until 4.2. + """ + if options is None: + # late import to prevent cycle + import tornado.options + + options = tornado.options.options + options.define( + "logging", + default="info", + help=( + "Set the Python log level. If 'none', tornado won't touch the " + "logging configuration." + ), + metavar="debug|info|warning|error|none", + ) + options.define( + "log_to_stderr", + type=bool, + default=None, + help=( + "Send log output to stderr (colorized if possible). " + "By default use stderr if --log_file_prefix is not set and " + "no other logging is configured." + ), + ) + options.define( + "log_file_prefix", + type=str, + default=None, + metavar="PATH", + help=( + "Path prefix for log files. " + "Note that if you are running multiple tornado processes, " + "log_file_prefix must be different for each of them (e.g. " + "include the port number)" + ), + ) + options.define( + "log_file_max_size", + type=int, + default=100 * 1000 * 1000, + help="max size of log files before rollover", + ) + options.define( + "log_file_num_backups", type=int, default=10, help="number of log files to keep" + ) + + options.define( + "log_rotate_when", + type=str, + default="midnight", + help=( + "specify the type of TimedRotatingFileHandler interval " + "other options:('S', 'M', 'H', 'D', 'W0'-'W6')" + ), + ) + options.define( + "log_rotate_interval", + type=int, + default=1, + help="The interval value of timed rotating", + ) + + options.define( + "log_rotate_mode", + type=str, + default="size", + help="The mode of rotating files(time or size)", + ) + + options.add_parse_callback(lambda: enable_pretty_logging(options)) diff --git a/venv/lib/python3.7/site-packages/tornado/netutil.py b/venv/lib/python3.7/site-packages/tornado/netutil.py new file mode 100644 index 0000000..9338ced --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/netutil.py @@ -0,0 +1,614 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Miscellaneous network utility code.""" + +import concurrent.futures +import errno +import os +import sys +import socket +import ssl +import stat + +from tornado.concurrent import dummy_executor, run_on_executor +from tornado.ioloop import IOLoop +from tornado.platform.auto import set_close_exec +from tornado.util import Configurable, errno_from_exception + +import typing +from typing import List, Callable, Any, Type, Dict, Union, Tuple, Awaitable + +if typing.TYPE_CHECKING: + from asyncio import Future # noqa: F401 + +# Note that the naming of ssl.Purpose is confusing; the purpose +# of a context is to authentiate the opposite side of the connection. +_client_ssl_defaults = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) +_server_ssl_defaults = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) +if hasattr(ssl, "OP_NO_COMPRESSION"): + # See netutil.ssl_options_to_context + _client_ssl_defaults.options |= ssl.OP_NO_COMPRESSION + _server_ssl_defaults.options |= ssl.OP_NO_COMPRESSION + +# ThreadedResolver runs getaddrinfo on a thread. If the hostname is unicode, +# getaddrinfo attempts to import encodings.idna. If this is done at +# module-import time, the import lock is already held by the main thread, +# leading to deadlock. Avoid it by caching the idna encoder on the main +# thread now. +u"foo".encode("idna") + +# For undiagnosed reasons, 'latin1' codec may also need to be preloaded. +u"foo".encode("latin1") + +# These errnos indicate that a non-blocking operation must be retried +# at a later time. On most platforms they're the same value, but on +# some they differ. +_ERRNO_WOULDBLOCK = (errno.EWOULDBLOCK, errno.EAGAIN) + +if hasattr(errno, "WSAEWOULDBLOCK"): + _ERRNO_WOULDBLOCK += (errno.WSAEWOULDBLOCK,) # type: ignore + +# Default backlog used when calling sock.listen() +_DEFAULT_BACKLOG = 128 + + +def bind_sockets( + port: int, + address: str = None, + family: socket.AddressFamily = socket.AF_UNSPEC, + backlog: int = _DEFAULT_BACKLOG, + flags: int = None, + reuse_port: bool = False, +) -> List[socket.socket]: + """Creates listening sockets bound to the given port and address. + + Returns a list of socket objects (multiple sockets are returned if + the given address maps to multiple IP addresses, which is most common + for mixed IPv4 and IPv6 use). + + Address may be either an IP address or hostname. If it's a hostname, + the server will listen on all IP addresses associated with the + name. Address may be an empty string or None to listen on all + available interfaces. Family may be set to either `socket.AF_INET` + or `socket.AF_INET6` to restrict to IPv4 or IPv6 addresses, otherwise + both will be used if available. + + The ``backlog`` argument has the same meaning as for + `socket.listen() <socket.socket.listen>`. + + ``flags`` is a bitmask of AI_* flags to `~socket.getaddrinfo`, like + ``socket.AI_PASSIVE | socket.AI_NUMERICHOST``. + + ``reuse_port`` option sets ``SO_REUSEPORT`` option for every socket + in the list. If your platform doesn't support this option ValueError will + be raised. + """ + if reuse_port and not hasattr(socket, "SO_REUSEPORT"): + raise ValueError("the platform doesn't support SO_REUSEPORT") + + sockets = [] + if address == "": + address = None + if not socket.has_ipv6 and family == socket.AF_UNSPEC: + # Python can be compiled with --disable-ipv6, which causes + # operations on AF_INET6 sockets to fail, but does not + # automatically exclude those results from getaddrinfo + # results. + # http://bugs.python.org/issue16208 + family = socket.AF_INET + if flags is None: + flags = socket.AI_PASSIVE + bound_port = None + unique_addresses = set() # type: set + for res in sorted( + socket.getaddrinfo(address, port, family, socket.SOCK_STREAM, 0, flags), + key=lambda x: x[0], + ): + if res in unique_addresses: + continue + + unique_addresses.add(res) + + af, socktype, proto, canonname, sockaddr = res + if ( + sys.platform == "darwin" + and address == "localhost" + and af == socket.AF_INET6 + and sockaddr[3] != 0 + ): + # Mac OS X includes a link-local address fe80::1%lo0 in the + # getaddrinfo results for 'localhost'. However, the firewall + # doesn't understand that this is a local address and will + # prompt for access (often repeatedly, due to an apparent + # bug in its ability to remember granting access to an + # application). Skip these addresses. + continue + try: + sock = socket.socket(af, socktype, proto) + except socket.error as e: + if errno_from_exception(e) == errno.EAFNOSUPPORT: + continue + raise + set_close_exec(sock.fileno()) + if os.name != "nt": + try: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + except socket.error as e: + if errno_from_exception(e) != errno.ENOPROTOOPT: + # Hurd doesn't support SO_REUSEADDR. + raise + if reuse_port: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1) + if af == socket.AF_INET6: + # On linux, ipv6 sockets accept ipv4 too by default, + # but this makes it impossible to bind to both + # 0.0.0.0 in ipv4 and :: in ipv6. On other systems, + # separate sockets *must* be used to listen for both ipv4 + # and ipv6. For consistency, always disable ipv4 on our + # ipv6 sockets and use a separate ipv4 socket when needed. + # + # Python 2.x on windows doesn't have IPPROTO_IPV6. + if hasattr(socket, "IPPROTO_IPV6"): + sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1) + + # automatic port allocation with port=None + # should bind on the same port on IPv4 and IPv6 + host, requested_port = sockaddr[:2] + if requested_port == 0 and bound_port is not None: + sockaddr = tuple([host, bound_port] + list(sockaddr[2:])) + + sock.setblocking(False) + sock.bind(sockaddr) + bound_port = sock.getsockname()[1] + sock.listen(backlog) + sockets.append(sock) + return sockets + + +if hasattr(socket, "AF_UNIX"): + + def bind_unix_socket( + file: str, mode: int = 0o600, backlog: int = _DEFAULT_BACKLOG + ) -> socket.socket: + """Creates a listening unix socket. + + If a socket with the given name already exists, it will be deleted. + If any other file with that name exists, an exception will be + raised. + + Returns a socket object (not a list of socket objects like + `bind_sockets`) + """ + sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) + set_close_exec(sock.fileno()) + try: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + except socket.error as e: + if errno_from_exception(e) != errno.ENOPROTOOPT: + # Hurd doesn't support SO_REUSEADDR + raise + sock.setblocking(False) + try: + st = os.stat(file) + except OSError as err: + if errno_from_exception(err) != errno.ENOENT: + raise + else: + if stat.S_ISSOCK(st.st_mode): + os.remove(file) + else: + raise ValueError("File %s exists and is not a socket", file) + sock.bind(file) + os.chmod(file, mode) + sock.listen(backlog) + return sock + + +def add_accept_handler( + sock: socket.socket, callback: Callable[[socket.socket, Any], None] +) -> Callable[[], None]: + """Adds an `.IOLoop` event handler to accept new connections on ``sock``. + + When a connection is accepted, ``callback(connection, address)`` will + be run (``connection`` is a socket object, and ``address`` is the + address of the other end of the connection). Note that this signature + is different from the ``callback(fd, events)`` signature used for + `.IOLoop` handlers. + + A callable is returned which, when called, will remove the `.IOLoop` + event handler and stop processing further incoming connections. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + + .. versionchanged:: 5.0 + A callable is returned (``None`` was returned before). + """ + io_loop = IOLoop.current() + removed = [False] + + def accept_handler(fd: socket.socket, events: int) -> None: + # More connections may come in while we're handling callbacks; + # to prevent starvation of other tasks we must limit the number + # of connections we accept at a time. Ideally we would accept + # up to the number of connections that were waiting when we + # entered this method, but this information is not available + # (and rearranging this method to call accept() as many times + # as possible before running any callbacks would have adverse + # effects on load balancing in multiprocess configurations). + # Instead, we use the (default) listen backlog as a rough + # heuristic for the number of connections we can reasonably + # accept at once. + for i in range(_DEFAULT_BACKLOG): + if removed[0]: + # The socket was probably closed + return + try: + connection, address = sock.accept() + except socket.error as e: + # _ERRNO_WOULDBLOCK indicate we have accepted every + # connection that is available. + if errno_from_exception(e) in _ERRNO_WOULDBLOCK: + return + # ECONNABORTED indicates that there was a connection + # but it was closed while still in the accept queue. + # (observed on FreeBSD). + if errno_from_exception(e) == errno.ECONNABORTED: + continue + raise + set_close_exec(connection.fileno()) + callback(connection, address) + + def remove_handler() -> None: + io_loop.remove_handler(sock) + removed[0] = True + + io_loop.add_handler(sock, accept_handler, IOLoop.READ) + return remove_handler + + +def is_valid_ip(ip: str) -> bool: + """Returns ``True`` if the given string is a well-formed IP address. + + Supports IPv4 and IPv6. + """ + if not ip or "\x00" in ip: + # getaddrinfo resolves empty strings to localhost, and truncates + # on zero bytes. + return False + try: + res = socket.getaddrinfo( + ip, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_NUMERICHOST + ) + return bool(res) + except socket.gaierror as e: + if e.args[0] == socket.EAI_NONAME: + return False + raise + return True + + +class Resolver(Configurable): + """Configurable asynchronous DNS resolver interface. + + By default, a blocking implementation is used (which simply calls + `socket.getaddrinfo`). An alternative implementation can be + chosen with the `Resolver.configure <.Configurable.configure>` + class method:: + + Resolver.configure('tornado.netutil.ThreadedResolver') + + The implementations of this interface included with Tornado are + + * `tornado.netutil.DefaultExecutorResolver` + * `tornado.netutil.BlockingResolver` (deprecated) + * `tornado.netutil.ThreadedResolver` (deprecated) + * `tornado.netutil.OverrideResolver` + * `tornado.platform.twisted.TwistedResolver` + * `tornado.platform.caresresolver.CaresResolver` + + .. versionchanged:: 5.0 + The default implementation has changed from `BlockingResolver` to + `DefaultExecutorResolver`. + """ + + @classmethod + def configurable_base(cls) -> Type["Resolver"]: + return Resolver + + @classmethod + def configurable_default(cls) -> Type["Resolver"]: + return DefaultExecutorResolver + + def resolve( + self, host: str, port: int, family: socket.AddressFamily = socket.AF_UNSPEC + ) -> Awaitable[List[Tuple[int, Any]]]: + """Resolves an address. + + The ``host`` argument is a string which may be a hostname or a + literal IP address. + + Returns a `.Future` whose result is a list of (family, + address) pairs, where address is a tuple suitable to pass to + `socket.connect <socket.socket.connect>` (i.e. a ``(host, + port)`` pair for IPv4; additional fields may be present for + IPv6). If a ``callback`` is passed, it will be run with the + result as an argument when it is complete. + + :raises IOError: if the address cannot be resolved. + + .. versionchanged:: 4.4 + Standardized all implementations to raise `IOError`. + + .. versionchanged:: 6.0 The ``callback`` argument was removed. + Use the returned awaitable object instead. + + """ + raise NotImplementedError() + + def close(self) -> None: + """Closes the `Resolver`, freeing any resources used. + + .. versionadded:: 3.1 + + """ + pass + + +def _resolve_addr( + host: str, port: int, family: socket.AddressFamily = socket.AF_UNSPEC +) -> List[Tuple[int, Any]]: + # On Solaris, getaddrinfo fails if the given port is not found + # in /etc/services and no socket type is given, so we must pass + # one here. The socket type used here doesn't seem to actually + # matter (we discard the one we get back in the results), + # so the addresses we return should still be usable with SOCK_DGRAM. + addrinfo = socket.getaddrinfo(host, port, family, socket.SOCK_STREAM) + results = [] + for fam, socktype, proto, canonname, address in addrinfo: + results.append((fam, address)) + return results + + +class DefaultExecutorResolver(Resolver): + """Resolver implementation using `.IOLoop.run_in_executor`. + + .. versionadded:: 5.0 + """ + + async def resolve( + self, host: str, port: int, family: socket.AddressFamily = socket.AF_UNSPEC + ) -> List[Tuple[int, Any]]: + result = await IOLoop.current().run_in_executor( + None, _resolve_addr, host, port, family + ) + return result + + +class ExecutorResolver(Resolver): + """Resolver implementation using a `concurrent.futures.Executor`. + + Use this instead of `ThreadedResolver` when you require additional + control over the executor being used. + + The executor will be shut down when the resolver is closed unless + ``close_resolver=False``; use this if you want to reuse the same + executor elsewhere. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + + .. deprecated:: 5.0 + The default `Resolver` now uses `.IOLoop.run_in_executor`; use that instead + of this class. + """ + + def initialize( + self, executor: concurrent.futures.Executor = None, close_executor: bool = True + ) -> None: + self.io_loop = IOLoop.current() + if executor is not None: + self.executor = executor + self.close_executor = close_executor + else: + self.executor = dummy_executor + self.close_executor = False + + def close(self) -> None: + if self.close_executor: + self.executor.shutdown() + self.executor = None # type: ignore + + @run_on_executor + def resolve( + self, host: str, port: int, family: socket.AddressFamily = socket.AF_UNSPEC + ) -> List[Tuple[int, Any]]: + return _resolve_addr(host, port, family) + + +class BlockingResolver(ExecutorResolver): + """Default `Resolver` implementation, using `socket.getaddrinfo`. + + The `.IOLoop` will be blocked during the resolution, although the + callback will not be run until the next `.IOLoop` iteration. + + .. deprecated:: 5.0 + The default `Resolver` now uses `.IOLoop.run_in_executor`; use that instead + of this class. + """ + + def initialize(self) -> None: # type: ignore + super(BlockingResolver, self).initialize() + + +class ThreadedResolver(ExecutorResolver): + """Multithreaded non-blocking `Resolver` implementation. + + Requires the `concurrent.futures` package to be installed + (available in the standard library since Python 3.2, + installable with ``pip install futures`` in older versions). + + The thread pool size can be configured with:: + + Resolver.configure('tornado.netutil.ThreadedResolver', + num_threads=10) + + .. versionchanged:: 3.1 + All ``ThreadedResolvers`` share a single thread pool, whose + size is set by the first one to be created. + + .. deprecated:: 5.0 + The default `Resolver` now uses `.IOLoop.run_in_executor`; use that instead + of this class. + """ + + _threadpool = None # type: ignore + _threadpool_pid = None # type: int + + def initialize(self, num_threads: int = 10) -> None: # type: ignore + threadpool = ThreadedResolver._create_threadpool(num_threads) + super(ThreadedResolver, self).initialize( + executor=threadpool, close_executor=False + ) + + @classmethod + def _create_threadpool( + cls, num_threads: int + ) -> concurrent.futures.ThreadPoolExecutor: + pid = os.getpid() + if cls._threadpool_pid != pid: + # Threads cannot survive after a fork, so if our pid isn't what it + # was when we created the pool then delete it. + cls._threadpool = None + if cls._threadpool is None: + cls._threadpool = concurrent.futures.ThreadPoolExecutor(num_threads) + cls._threadpool_pid = pid + return cls._threadpool + + +class OverrideResolver(Resolver): + """Wraps a resolver with a mapping of overrides. + + This can be used to make local DNS changes (e.g. for testing) + without modifying system-wide settings. + + The mapping can be in three formats:: + + { + # Hostname to host or ip + "example.com": "127.0.1.1", + + # Host+port to host+port + ("login.example.com", 443): ("localhost", 1443), + + # Host+port+address family to host+port + ("login.example.com", 443, socket.AF_INET6): ("::1", 1443), + } + + .. versionchanged:: 5.0 + Added support for host-port-family triplets. + """ + + def initialize(self, resolver: Resolver, mapping: dict) -> None: + self.resolver = resolver + self.mapping = mapping + + def close(self) -> None: + self.resolver.close() + + def resolve( + self, host: str, port: int, family: socket.AddressFamily = socket.AF_UNSPEC + ) -> Awaitable[List[Tuple[int, Any]]]: + if (host, port, family) in self.mapping: + host, port = self.mapping[(host, port, family)] + elif (host, port) in self.mapping: + host, port = self.mapping[(host, port)] + elif host in self.mapping: + host = self.mapping[host] + return self.resolver.resolve(host, port, family) + + +# These are the keyword arguments to ssl.wrap_socket that must be translated +# to their SSLContext equivalents (the other arguments are still passed +# to SSLContext.wrap_socket). +_SSL_CONTEXT_KEYWORDS = frozenset( + ["ssl_version", "certfile", "keyfile", "cert_reqs", "ca_certs", "ciphers"] +) + + +def ssl_options_to_context( + ssl_options: Union[Dict[str, Any], ssl.SSLContext] +) -> ssl.SSLContext: + """Try to convert an ``ssl_options`` dictionary to an + `~ssl.SSLContext` object. + + The ``ssl_options`` dictionary contains keywords to be passed to + `ssl.wrap_socket`. In Python 2.7.9+, `ssl.SSLContext` objects can + be used instead. This function converts the dict form to its + `~ssl.SSLContext` equivalent, and may be used when a component which + accepts both forms needs to upgrade to the `~ssl.SSLContext` version + to use features like SNI or NPN. + """ + if isinstance(ssl_options, ssl.SSLContext): + return ssl_options + assert isinstance(ssl_options, dict) + assert all(k in _SSL_CONTEXT_KEYWORDS for k in ssl_options), ssl_options + # Can't use create_default_context since this interface doesn't + # tell us client vs server. + context = ssl.SSLContext(ssl_options.get("ssl_version", ssl.PROTOCOL_SSLv23)) + if "certfile" in ssl_options: + context.load_cert_chain( + ssl_options["certfile"], ssl_options.get("keyfile", None) + ) + if "cert_reqs" in ssl_options: + context.verify_mode = ssl_options["cert_reqs"] + if "ca_certs" in ssl_options: + context.load_verify_locations(ssl_options["ca_certs"]) + if "ciphers" in ssl_options: + context.set_ciphers(ssl_options["ciphers"]) + if hasattr(ssl, "OP_NO_COMPRESSION"): + # Disable TLS compression to avoid CRIME and related attacks. + # This constant depends on openssl version 1.0. + # TODO: Do we need to do this ourselves or can we trust + # the defaults? + context.options |= ssl.OP_NO_COMPRESSION + return context + + +def ssl_wrap_socket( + socket: socket.socket, + ssl_options: Union[Dict[str, Any], ssl.SSLContext], + server_hostname: str = None, + **kwargs: Any +) -> ssl.SSLSocket: + """Returns an ``ssl.SSLSocket`` wrapping the given socket. + + ``ssl_options`` may be either an `ssl.SSLContext` object or a + dictionary (as accepted by `ssl_options_to_context`). Additional + keyword arguments are passed to ``wrap_socket`` (either the + `~ssl.SSLContext` method or the `ssl` module function as + appropriate). + """ + context = ssl_options_to_context(ssl_options) + if ssl.HAS_SNI: + # In python 3.4, wrap_socket only accepts the server_hostname + # argument if HAS_SNI is true. + # TODO: add a unittest (python added server-side SNI support in 3.4) + # In the meantime it can be manually tested with + # python3 -m tornado.httpclient https://sni.velox.ch + return context.wrap_socket(socket, server_hostname=server_hostname, **kwargs) + else: + return context.wrap_socket(socket, **kwargs) diff --git a/venv/lib/python3.7/site-packages/tornado/options.py b/venv/lib/python3.7/site-packages/tornado/options.py new file mode 100644 index 0000000..4449ffa --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/options.py @@ -0,0 +1,726 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""A command line parsing module that lets modules define their own options. + +This module is inspired by Google's `gflags +<https://github.com/google/python-gflags>`_. The primary difference +with libraries such as `argparse` is that a global registry is used so +that options may be defined in any module (it also enables +`tornado.log` by default). The rest of Tornado does not depend on this +module, so feel free to use `argparse` or other configuration +libraries if you prefer them. + +Options must be defined with `tornado.options.define` before use, +generally at the top level of a module. The options are then +accessible as attributes of `tornado.options.options`:: + + # myapp/db.py + from tornado.options import define, options + + define("mysql_host", default="127.0.0.1:3306", help="Main user DB") + define("memcache_hosts", default="127.0.0.1:11011", multiple=True, + help="Main user memcache servers") + + def connect(): + db = database.Connection(options.mysql_host) + ... + + # myapp/server.py + from tornado.options import define, options + + define("port", default=8080, help="port to listen on") + + def start_server(): + app = make_app() + app.listen(options.port) + +The ``main()`` method of your application does not need to be aware of all of +the options used throughout your program; they are all automatically loaded +when the modules are loaded. However, all modules that define options +must have been imported before the command line is parsed. + +Your ``main()`` method can parse the command line or parse a config file with +either `parse_command_line` or `parse_config_file`:: + + import myapp.db, myapp.server + import tornado.options + + if __name__ == '__main__': + tornado.options.parse_command_line() + # or + tornado.options.parse_config_file("/etc/server.conf") + +.. note:: + + When using multiple ``parse_*`` functions, pass ``final=False`` to all + but the last one, or side effects may occur twice (in particular, + this can result in log messages being doubled). + +`tornado.options.options` is a singleton instance of `OptionParser`, and +the top-level functions in this module (`define`, `parse_command_line`, etc) +simply call methods on it. You may create additional `OptionParser` +instances to define isolated sets of options, such as for subcommands. + +.. note:: + + By default, several options are defined that will configure the + standard `logging` module when `parse_command_line` or `parse_config_file` + are called. If you want Tornado to leave the logging configuration + alone so you can manage it yourself, either pass ``--logging=none`` + on the command line or do the following to disable it in code:: + + from tornado.options import options, parse_command_line + options.logging = None + parse_command_line() + +.. versionchanged:: 4.3 + Dashes and underscores are fully interchangeable in option names; + options can be defined, set, and read with any mix of the two. + Dashes are typical for command-line usage while config files require + underscores. +""" + +import datetime +import numbers +import re +import sys +import os +import textwrap + +from tornado.escape import _unicode, native_str +from tornado.log import define_logging_options +from tornado.util import basestring_type, exec_in + +import typing +from typing import Any, Iterator, Iterable, Tuple, Set, Dict, Callable, List, TextIO + +if typing.TYPE_CHECKING: + from typing import Optional # noqa: F401 + + +class Error(Exception): + """Exception raised by errors in the options module.""" + + pass + + +class OptionParser(object): + """A collection of options, a dictionary with object-like access. + + Normally accessed via static functions in the `tornado.options` module, + which reference a global instance. + """ + + def __init__(self) -> None: + # we have to use self.__dict__ because we override setattr. + self.__dict__["_options"] = {} + self.__dict__["_parse_callbacks"] = [] + self.define( + "help", + type=bool, + help="show this help information", + callback=self._help_callback, + ) + + def _normalize_name(self, name: str) -> str: + return name.replace("_", "-") + + def __getattr__(self, name: str) -> Any: + name = self._normalize_name(name) + if isinstance(self._options.get(name), _Option): + return self._options[name].value() + raise AttributeError("Unrecognized option %r" % name) + + def __setattr__(self, name: str, value: Any) -> None: + name = self._normalize_name(name) + if isinstance(self._options.get(name), _Option): + return self._options[name].set(value) + raise AttributeError("Unrecognized option %r" % name) + + def __iter__(self) -> Iterator: + return (opt.name for opt in self._options.values()) + + def __contains__(self, name: str) -> bool: + name = self._normalize_name(name) + return name in self._options + + def __getitem__(self, name: str) -> Any: + return self.__getattr__(name) + + def __setitem__(self, name: str, value: Any) -> None: + return self.__setattr__(name, value) + + def items(self) -> Iterable[Tuple[str, Any]]: + """An iterable of (name, value) pairs. + + .. versionadded:: 3.1 + """ + return [(opt.name, opt.value()) for name, opt in self._options.items()] + + def groups(self) -> Set[str]: + """The set of option-groups created by ``define``. + + .. versionadded:: 3.1 + """ + return set(opt.group_name for opt in self._options.values()) + + def group_dict(self, group: str) -> Dict[str, Any]: + """The names and values of options in a group. + + Useful for copying options into Application settings:: + + from tornado.options import define, parse_command_line, options + + define('template_path', group='application') + define('static_path', group='application') + + parse_command_line() + + application = Application( + handlers, **options.group_dict('application')) + + .. versionadded:: 3.1 + """ + return dict( + (opt.name, opt.value()) + for name, opt in self._options.items() + if not group or group == opt.group_name + ) + + def as_dict(self) -> Dict[str, Any]: + """The names and values of all options. + + .. versionadded:: 3.1 + """ + return dict((opt.name, opt.value()) for name, opt in self._options.items()) + + def define( + self, + name: str, + default: Any = None, + type: type = None, + help: str = None, + metavar: str = None, + multiple: bool = False, + group: str = None, + callback: Callable[[Any], None] = None, + ) -> None: + """Defines a new command line option. + + ``type`` can be any of `str`, `int`, `float`, `bool`, + `~datetime.datetime`, or `~datetime.timedelta`. If no ``type`` + is given but a ``default`` is, ``type`` is the type of + ``default``. Otherwise, ``type`` defaults to `str`. + + If ``multiple`` is True, the option value is a list of ``type`` + instead of an instance of ``type``. + + ``help`` and ``metavar`` are used to construct the + automatically generated command line help string. The help + message is formatted like:: + + --name=METAVAR help string + + ``group`` is used to group the defined options in logical + groups. By default, command line options are grouped by the + file in which they are defined. + + Command line option names must be unique globally. + + If a ``callback`` is given, it will be run with the new value whenever + the option is changed. This can be used to combine command-line + and file-based options:: + + define("config", type=str, help="path to config file", + callback=lambda path: parse_config_file(path, final=False)) + + With this definition, options in the file specified by ``--config`` will + override options set earlier on the command line, but can be overridden + by later flags. + + """ + normalized = self._normalize_name(name) + if normalized in self._options: + raise Error( + "Option %r already defined in %s" + % (normalized, self._options[normalized].file_name) + ) + frame = sys._getframe(0) + options_file = frame.f_code.co_filename + + # Can be called directly, or through top level define() fn, in which + # case, step up above that frame to look for real caller. + if ( + frame.f_back.f_code.co_filename == options_file + and frame.f_back.f_code.co_name == "define" + ): + frame = frame.f_back + + file_name = frame.f_back.f_code.co_filename + if file_name == options_file: + file_name = "" + if type is None: + if not multiple and default is not None: + type = default.__class__ + else: + type = str + if group: + group_name = group # type: Optional[str] + else: + group_name = file_name + option = _Option( + name, + file_name=file_name, + default=default, + type=type, + help=help, + metavar=metavar, + multiple=multiple, + group_name=group_name, + callback=callback, + ) + self._options[normalized] = option + + def parse_command_line( + self, args: List[str] = None, final: bool = True + ) -> List[str]: + """Parses all options given on the command line (defaults to + `sys.argv`). + + Options look like ``--option=value`` and are parsed according + to their ``type``. For boolean options, ``--option`` is + equivalent to ``--option=true`` + + If the option has ``multiple=True``, comma-separated values + are accepted. For multi-value integer options, the syntax + ``x:y`` is also accepted and equivalent to ``range(x, y)``. + + Note that ``args[0]`` is ignored since it is the program name + in `sys.argv`. + + We return a list of all arguments that are not parsed as options. + + If ``final`` is ``False``, parse callbacks will not be run. + This is useful for applications that wish to combine configurations + from multiple sources. + + """ + if args is None: + args = sys.argv + remaining = [] # type: List[str] + for i in range(1, len(args)): + # All things after the last option are command line arguments + if not args[i].startswith("-"): + remaining = args[i:] + break + if args[i] == "--": + remaining = args[i + 1 :] + break + arg = args[i].lstrip("-") + name, equals, value = arg.partition("=") + name = self._normalize_name(name) + if name not in self._options: + self.print_help() + raise Error("Unrecognized command line option: %r" % name) + option = self._options[name] + if not equals: + if option.type == bool: + value = "true" + else: + raise Error("Option %r requires a value" % name) + option.parse(value) + + if final: + self.run_parse_callbacks() + + return remaining + + def parse_config_file(self, path: str, final: bool = True) -> None: + """Parses and loads the config file at the given path. + + The config file contains Python code that will be executed (so + it is **not safe** to use untrusted config files). Anything in + the global namespace that matches a defined option will be + used to set that option's value. + + Options may either be the specified type for the option or + strings (in which case they will be parsed the same way as in + `.parse_command_line`) + + Example (using the options defined in the top-level docs of + this module):: + + port = 80 + mysql_host = 'mydb.example.com:3306' + # Both lists and comma-separated strings are allowed for + # multiple=True. + memcache_hosts = ['cache1.example.com:11011', + 'cache2.example.com:11011'] + memcache_hosts = 'cache1.example.com:11011,cache2.example.com:11011' + + If ``final`` is ``False``, parse callbacks will not be run. + This is useful for applications that wish to combine configurations + from multiple sources. + + .. note:: + + `tornado.options` is primarily a command-line library. + Config file support is provided for applications that wish + to use it, but applications that prefer config files may + wish to look at other libraries instead. + + .. versionchanged:: 4.1 + Config files are now always interpreted as utf-8 instead of + the system default encoding. + + .. versionchanged:: 4.4 + The special variable ``__file__`` is available inside config + files, specifying the absolute path to the config file itself. + + .. versionchanged:: 5.1 + Added the ability to set options via strings in config files. + + """ + config = {"__file__": os.path.abspath(path)} + with open(path, "rb") as f: + exec_in(native_str(f.read()), config, config) + for name in config: + normalized = self._normalize_name(name) + if normalized in self._options: + option = self._options[normalized] + if option.multiple: + if not isinstance(config[name], (list, str)): + raise Error( + "Option %r is required to be a list of %s " + "or a comma-separated string" + % (option.name, option.type.__name__) + ) + + if type(config[name]) == str and option.type != str: + option.parse(config[name]) + else: + option.set(config[name]) + + if final: + self.run_parse_callbacks() + + def print_help(self, file: TextIO = None) -> None: + """Prints all the command line options to stderr (or another file).""" + if file is None: + file = sys.stderr + print("Usage: %s [OPTIONS]" % sys.argv[0], file=file) + print("\nOptions:\n", file=file) + by_group = {} # type: Dict[str, List[_Option]] + for option in self._options.values(): + by_group.setdefault(option.group_name, []).append(option) + + for filename, o in sorted(by_group.items()): + if filename: + print("\n%s options:\n" % os.path.normpath(filename), file=file) + o.sort(key=lambda option: option.name) + for option in o: + # Always print names with dashes in a CLI context. + prefix = self._normalize_name(option.name) + if option.metavar: + prefix += "=" + option.metavar + description = option.help or "" + if option.default is not None and option.default != "": + description += " (default %s)" % option.default + lines = textwrap.wrap(description, 79 - 35) + if len(prefix) > 30 or len(lines) == 0: + lines.insert(0, "") + print(" --%-30s %s" % (prefix, lines[0]), file=file) + for line in lines[1:]: + print("%-34s %s" % (" ", line), file=file) + print(file=file) + + def _help_callback(self, value: bool) -> None: + if value: + self.print_help() + sys.exit(0) + + def add_parse_callback(self, callback: Callable[[], None]) -> None: + """Adds a parse callback, to be invoked when option parsing is done.""" + self._parse_callbacks.append(callback) + + def run_parse_callbacks(self) -> None: + for callback in self._parse_callbacks: + callback() + + def mockable(self) -> "_Mockable": + """Returns a wrapper around self that is compatible with + `mock.patch <unittest.mock.patch>`. + + The `mock.patch <unittest.mock.patch>` function (included in + the standard library `unittest.mock` package since Python 3.3, + or in the third-party ``mock`` package for older versions of + Python) is incompatible with objects like ``options`` that + override ``__getattr__`` and ``__setattr__``. This function + returns an object that can be used with `mock.patch.object + <unittest.mock.patch.object>` to modify option values:: + + with mock.patch.object(options.mockable(), 'name', value): + assert options.name == value + """ + return _Mockable(self) + + +class _Mockable(object): + """`mock.patch` compatible wrapper for `OptionParser`. + + As of ``mock`` version 1.0.1, when an object uses ``__getattr__`` + hooks instead of ``__dict__``, ``patch.__exit__`` tries to delete + the attribute it set instead of setting a new one (assuming that + the object does not catpure ``__setattr__``, so the patch + created a new attribute in ``__dict__``). + + _Mockable's getattr and setattr pass through to the underlying + OptionParser, and delattr undoes the effect of a previous setattr. + """ + + def __init__(self, options: OptionParser) -> None: + # Modify __dict__ directly to bypass __setattr__ + self.__dict__["_options"] = options + self.__dict__["_originals"] = {} + + def __getattr__(self, name: str) -> Any: + return getattr(self._options, name) + + def __setattr__(self, name: str, value: Any) -> None: + assert name not in self._originals, "don't reuse mockable objects" + self._originals[name] = getattr(self._options, name) + setattr(self._options, name, value) + + def __delattr__(self, name: str) -> None: + setattr(self._options, name, self._originals.pop(name)) + + +class _Option(object): + # This class could almost be made generic, but the way the types + # interact with the multiple argument makes this tricky. (default + # and the callback use List[T], but type is still Type[T]). + UNSET = object() + + def __init__( + self, + name: str, + default: Any = None, + type: type = None, + help: str = None, + metavar: str = None, + multiple: bool = False, + file_name: str = None, + group_name: str = None, + callback: Callable[[Any], None] = None, + ) -> None: + if default is None and multiple: + default = [] + self.name = name + if type is None: + raise ValueError("type must not be None") + self.type = type + self.help = help + self.metavar = metavar + self.multiple = multiple + self.file_name = file_name + self.group_name = group_name + self.callback = callback + self.default = default + self._value = _Option.UNSET # type: Any + + def value(self) -> Any: + return self.default if self._value is _Option.UNSET else self._value + + def parse(self, value: str) -> Any: + _parse = { + datetime.datetime: self._parse_datetime, + datetime.timedelta: self._parse_timedelta, + bool: self._parse_bool, + basestring_type: self._parse_string, + }.get( + self.type, self.type + ) # type: Callable[[str], Any] + if self.multiple: + self._value = [] + for part in value.split(","): + if issubclass(self.type, numbers.Integral): + # allow ranges of the form X:Y (inclusive at both ends) + lo_str, _, hi_str = part.partition(":") + lo = _parse(lo_str) + hi = _parse(hi_str) if hi_str else lo + self._value.extend(range(lo, hi + 1)) + else: + self._value.append(_parse(part)) + else: + self._value = _parse(value) + if self.callback is not None: + self.callback(self._value) + return self.value() + + def set(self, value: Any) -> None: + if self.multiple: + if not isinstance(value, list): + raise Error( + "Option %r is required to be a list of %s" + % (self.name, self.type.__name__) + ) + for item in value: + if item is not None and not isinstance(item, self.type): + raise Error( + "Option %r is required to be a list of %s" + % (self.name, self.type.__name__) + ) + else: + if value is not None and not isinstance(value, self.type): + raise Error( + "Option %r is required to be a %s (%s given)" + % (self.name, self.type.__name__, type(value)) + ) + self._value = value + if self.callback is not None: + self.callback(self._value) + + # Supported date/time formats in our options + _DATETIME_FORMATS = [ + "%a %b %d %H:%M:%S %Y", + "%Y-%m-%d %H:%M:%S", + "%Y-%m-%d %H:%M", + "%Y-%m-%dT%H:%M", + "%Y%m%d %H:%M:%S", + "%Y%m%d %H:%M", + "%Y-%m-%d", + "%Y%m%d", + "%H:%M:%S", + "%H:%M", + ] + + def _parse_datetime(self, value: str) -> datetime.datetime: + for format in self._DATETIME_FORMATS: + try: + return datetime.datetime.strptime(value, format) + except ValueError: + pass + raise Error("Unrecognized date/time format: %r" % value) + + _TIMEDELTA_ABBREV_DICT = { + "h": "hours", + "m": "minutes", + "min": "minutes", + "s": "seconds", + "sec": "seconds", + "ms": "milliseconds", + "us": "microseconds", + "d": "days", + "w": "weeks", + } + + _FLOAT_PATTERN = r"[-+]?(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][-+]?\d+)?" + + _TIMEDELTA_PATTERN = re.compile( + r"\s*(%s)\s*(\w*)\s*" % _FLOAT_PATTERN, re.IGNORECASE + ) + + def _parse_timedelta(self, value: str) -> datetime.timedelta: + try: + sum = datetime.timedelta() + start = 0 + while start < len(value): + m = self._TIMEDELTA_PATTERN.match(value, start) + if not m: + raise Exception() + num = float(m.group(1)) + units = m.group(2) or "seconds" + units = self._TIMEDELTA_ABBREV_DICT.get(units, units) + sum += datetime.timedelta(**{units: num}) + start = m.end() + return sum + except Exception: + raise + + def _parse_bool(self, value: str) -> bool: + return value.lower() not in ("false", "0", "f") + + def _parse_string(self, value: str) -> str: + return _unicode(value) + + +options = OptionParser() +"""Global options object. + +All defined options are available as attributes on this object. +""" + + +def define( + name: str, + default: Any = None, + type: type = None, + help: str = None, + metavar: str = None, + multiple: bool = False, + group: str = None, + callback: Callable[[Any], None] = None, +) -> None: + """Defines an option in the global namespace. + + See `OptionParser.define`. + """ + return options.define( + name, + default=default, + type=type, + help=help, + metavar=metavar, + multiple=multiple, + group=group, + callback=callback, + ) + + +def parse_command_line(args: List[str] = None, final: bool = True) -> List[str]: + """Parses global options from the command line. + + See `OptionParser.parse_command_line`. + """ + return options.parse_command_line(args, final=final) + + +def parse_config_file(path: str, final: bool = True) -> None: + """Parses global options from a config file. + + See `OptionParser.parse_config_file`. + """ + return options.parse_config_file(path, final=final) + + +def print_help(file: TextIO = None) -> None: + """Prints all the command line options to stderr (or another file). + + See `OptionParser.print_help`. + """ + return options.print_help(file) + + +def add_parse_callback(callback: Callable[[], None]) -> None: + """Adds a parse callback, to be invoked when option parsing is done. + + See `OptionParser.add_parse_callback` + """ + options.add_parse_callback(callback) + + +# Default options +define_logging_options(options) diff --git a/venv/lib/python3.7/site-packages/tornado/platform/__init__.py b/venv/lib/python3.7/site-packages/tornado/platform/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/tornado/platform/asyncio.py b/venv/lib/python3.7/site-packages/tornado/platform/asyncio.py new file mode 100644 index 0000000..0b79f82 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/asyncio.py @@ -0,0 +1,337 @@ +"""Bridges between the `asyncio` module and Tornado IOLoop. + +.. versionadded:: 3.2 + +This module integrates Tornado with the ``asyncio`` module introduced +in Python 3.4. This makes it possible to combine the two libraries on +the same event loop. + +.. deprecated:: 5.0 + + While the code in this module is still used, it is now enabled + automatically when `asyncio` is available, so applications should + no longer need to refer to this module directly. + +.. note:: + + Tornado requires the `~asyncio.AbstractEventLoop.add_reader` family of + methods, so it is not compatible with the `~asyncio.ProactorEventLoop` on + Windows. Use the `~asyncio.SelectorEventLoop` instead. +""" + +import concurrent.futures +import functools + +from threading import get_ident +from tornado.gen import convert_yielded +from tornado.ioloop import IOLoop, _Selectable + +import asyncio + +import typing +from typing import Any, TypeVar, Awaitable, Callable, Union, Optional + +if typing.TYPE_CHECKING: + from typing import Set, Dict, Tuple # noqa: F401 + +_T = TypeVar("_T") + + +class BaseAsyncIOLoop(IOLoop): + def initialize( # type: ignore + self, asyncio_loop: asyncio.AbstractEventLoop, **kwargs: Any + ) -> None: + self.asyncio_loop = asyncio_loop + # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler) + self.handlers = {} # type: Dict[int, Tuple[Union[int, _Selectable], Callable]] + # Set of fds listening for reads/writes + self.readers = set() # type: Set[int] + self.writers = set() # type: Set[int] + self.closing = False + # If an asyncio loop was closed through an asyncio interface + # instead of IOLoop.close(), we'd never hear about it and may + # have left a dangling reference in our map. In case an + # application (or, more likely, a test suite) creates and + # destroys a lot of event loops in this way, check here to + # ensure that we don't have a lot of dead loops building up in + # the map. + # + # TODO(bdarnell): consider making self.asyncio_loop a weakref + # for AsyncIOMainLoop and make _ioloop_for_asyncio a + # WeakKeyDictionary. + for loop in list(IOLoop._ioloop_for_asyncio): + if loop.is_closed(): + del IOLoop._ioloop_for_asyncio[loop] + IOLoop._ioloop_for_asyncio[asyncio_loop] = self + + self._thread_identity = 0 + + super(BaseAsyncIOLoop, self).initialize(**kwargs) + + def assign_thread_identity() -> None: + self._thread_identity = get_ident() + + self.add_callback(assign_thread_identity) + + def close(self, all_fds: bool = False) -> None: + self.closing = True + for fd in list(self.handlers): + fileobj, handler_func = self.handlers[fd] + self.remove_handler(fd) + if all_fds: + self.close_fd(fileobj) + # Remove the mapping before closing the asyncio loop. If this + # happened in the other order, we could race against another + # initialize() call which would see the closed asyncio loop, + # assume it was closed from the asyncio side, and do this + # cleanup for us, leading to a KeyError. + del IOLoop._ioloop_for_asyncio[self.asyncio_loop] + self.asyncio_loop.close() + + def add_handler( + self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int + ) -> None: + fd, fileobj = self.split_fd(fd) + if fd in self.handlers: + raise ValueError("fd %s added twice" % fd) + self.handlers[fd] = (fileobj, handler) + if events & IOLoop.READ: + self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ) + self.readers.add(fd) + if events & IOLoop.WRITE: + self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE) + self.writers.add(fd) + + def update_handler(self, fd: Union[int, _Selectable], events: int) -> None: + fd, fileobj = self.split_fd(fd) + if events & IOLoop.READ: + if fd not in self.readers: + self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ) + self.readers.add(fd) + else: + if fd in self.readers: + self.asyncio_loop.remove_reader(fd) + self.readers.remove(fd) + if events & IOLoop.WRITE: + if fd not in self.writers: + self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE) + self.writers.add(fd) + else: + if fd in self.writers: + self.asyncio_loop.remove_writer(fd) + self.writers.remove(fd) + + def remove_handler(self, fd: Union[int, _Selectable]) -> None: + fd, fileobj = self.split_fd(fd) + if fd not in self.handlers: + return + if fd in self.readers: + self.asyncio_loop.remove_reader(fd) + self.readers.remove(fd) + if fd in self.writers: + self.asyncio_loop.remove_writer(fd) + self.writers.remove(fd) + del self.handlers[fd] + + def _handle_events(self, fd: int, events: int) -> None: + fileobj, handler_func = self.handlers[fd] + handler_func(fileobj, events) + + def start(self) -> None: + try: + old_loop = asyncio.get_event_loop() + except (RuntimeError, AssertionError): + old_loop = None # type: ignore + try: + self._setup_logging() + asyncio.set_event_loop(self.asyncio_loop) + self.asyncio_loop.run_forever() + finally: + asyncio.set_event_loop(old_loop) + + def stop(self) -> None: + self.asyncio_loop.stop() + + def call_at( + self, when: float, callback: Callable[..., None], *args: Any, **kwargs: Any + ) -> object: + # asyncio.call_at supports *args but not **kwargs, so bind them here. + # We do not synchronize self.time and asyncio_loop.time, so + # convert from absolute to relative. + return self.asyncio_loop.call_later( + max(0, when - self.time()), + self._run_callback, + functools.partial(callback, *args, **kwargs), + ) + + def remove_timeout(self, timeout: object) -> None: + timeout.cancel() # type: ignore + + def add_callback(self, callback: Callable, *args: Any, **kwargs: Any) -> None: + if get_ident() == self._thread_identity: + call_soon = self.asyncio_loop.call_soon + else: + call_soon = self.asyncio_loop.call_soon_threadsafe + try: + call_soon(self._run_callback, functools.partial(callback, *args, **kwargs)) + except RuntimeError: + # "Event loop is closed". Swallow the exception for + # consistency with PollIOLoop (and logical consistency + # with the fact that we can't guarantee that an + # add_callback that completes without error will + # eventually execute). + pass + + def add_callback_from_signal( + self, callback: Callable, *args: Any, **kwargs: Any + ) -> None: + try: + self.asyncio_loop.call_soon_threadsafe( + self._run_callback, functools.partial(callback, *args, **kwargs) + ) + except RuntimeError: + pass + + def run_in_executor( + self, + executor: Optional[concurrent.futures.Executor], + func: Callable[..., _T], + *args: Any + ) -> Awaitable[_T]: + return self.asyncio_loop.run_in_executor(executor, func, *args) + + def set_default_executor(self, executor: concurrent.futures.Executor) -> None: + return self.asyncio_loop.set_default_executor(executor) + + +class AsyncIOMainLoop(BaseAsyncIOLoop): + """``AsyncIOMainLoop`` creates an `.IOLoop` that corresponds to the + current ``asyncio`` event loop (i.e. the one returned by + ``asyncio.get_event_loop()``). + + .. deprecated:: 5.0 + + Now used automatically when appropriate; it is no longer necessary + to refer to this class directly. + + .. versionchanged:: 5.0 + + Closing an `AsyncIOMainLoop` now closes the underlying asyncio loop. + """ + + def initialize(self, **kwargs: Any) -> None: # type: ignore + super(AsyncIOMainLoop, self).initialize(asyncio.get_event_loop(), **kwargs) + + def make_current(self) -> None: + # AsyncIOMainLoop already refers to the current asyncio loop so + # nothing to do here. + pass + + +class AsyncIOLoop(BaseAsyncIOLoop): + """``AsyncIOLoop`` is an `.IOLoop` that runs on an ``asyncio`` event loop. + This class follows the usual Tornado semantics for creating new + ``IOLoops``; these loops are not necessarily related to the + ``asyncio`` default event loop. + + Each ``AsyncIOLoop`` creates a new ``asyncio.EventLoop``; this object + can be accessed with the ``asyncio_loop`` attribute. + + .. versionchanged:: 5.0 + + When an ``AsyncIOLoop`` becomes the current `.IOLoop`, it also sets + the current `asyncio` event loop. + + .. deprecated:: 5.0 + + Now used automatically when appropriate; it is no longer necessary + to refer to this class directly. + """ + + def initialize(self, **kwargs: Any) -> None: # type: ignore + self.is_current = False + loop = asyncio.new_event_loop() + try: + super(AsyncIOLoop, self).initialize(loop, **kwargs) + except Exception: + # If initialize() does not succeed (taking ownership of the loop), + # we have to close it. + loop.close() + raise + + def close(self, all_fds: bool = False) -> None: + if self.is_current: + self.clear_current() + super(AsyncIOLoop, self).close(all_fds=all_fds) + + def make_current(self) -> None: + if not self.is_current: + try: + self.old_asyncio = asyncio.get_event_loop() + except (RuntimeError, AssertionError): + self.old_asyncio = None # type: ignore + self.is_current = True + asyncio.set_event_loop(self.asyncio_loop) + + def _clear_current_hook(self) -> None: + if self.is_current: + asyncio.set_event_loop(self.old_asyncio) + self.is_current = False + + +def to_tornado_future(asyncio_future: asyncio.Future) -> asyncio.Future: + """Convert an `asyncio.Future` to a `tornado.concurrent.Future`. + + .. versionadded:: 4.1 + + .. deprecated:: 5.0 + Tornado ``Futures`` have been merged with `asyncio.Future`, + so this method is now a no-op. + """ + return asyncio_future + + +def to_asyncio_future(tornado_future: asyncio.Future) -> asyncio.Future: + """Convert a Tornado yieldable object to an `asyncio.Future`. + + .. versionadded:: 4.1 + + .. versionchanged:: 4.3 + Now accepts any yieldable object, not just + `tornado.concurrent.Future`. + + .. deprecated:: 5.0 + Tornado ``Futures`` have been merged with `asyncio.Future`, + so this method is now equivalent to `tornado.gen.convert_yielded`. + """ + return convert_yielded(tornado_future) + + +class AnyThreadEventLoopPolicy(asyncio.DefaultEventLoopPolicy): # type: ignore + """Event loop policy that allows loop creation on any thread. + + The default `asyncio` event loop policy only automatically creates + event loops in the main threads. Other threads must create event + loops explicitly or `asyncio.get_event_loop` (and therefore + `.IOLoop.current`) will fail. Installing this policy allows event + loops to be created automatically on any thread, matching the + behavior of Tornado versions prior to 5.0 (or 5.0 on Python 2). + + Usage:: + + asyncio.set_event_loop_policy(AnyThreadEventLoopPolicy()) + + .. versionadded:: 5.0 + + """ + + def get_event_loop(self) -> asyncio.AbstractEventLoop: + try: + return super().get_event_loop() + except (RuntimeError, AssertionError): + # This was an AssertionError in python 3.4.2 (which ships with debian jessie) + # and changed to a RuntimeError in 3.4.3. + # "There is no current event loop in thread %r" + loop = self.new_event_loop() + self.set_event_loop(loop) + return loop diff --git a/venv/lib/python3.7/site-packages/tornado/platform/auto.py b/venv/lib/python3.7/site-packages/tornado/platform/auto.py new file mode 100644 index 0000000..4f1b6ac --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/auto.py @@ -0,0 +1,32 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Implementation of platform-specific functionality. + +For each function or class described in `tornado.platform.interface`, +the appropriate platform-specific implementation exists in this module. +Most code that needs access to this functionality should do e.g.:: + + from tornado.platform.auto import set_close_exec +""" + +import os + +if os.name == "nt": + from tornado.platform.windows import set_close_exec +else: + from tornado.platform.posix import set_close_exec + +__all__ = ["set_close_exec"] diff --git a/venv/lib/python3.7/site-packages/tornado/platform/caresresolver.py b/venv/lib/python3.7/site-packages/tornado/platform/caresresolver.py new file mode 100644 index 0000000..e2c5009 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/caresresolver.py @@ -0,0 +1,89 @@ +import pycares # type: ignore +import socket + +from tornado.concurrent import Future +from tornado import gen +from tornado.ioloop import IOLoop +from tornado.netutil import Resolver, is_valid_ip + +import typing + +if typing.TYPE_CHECKING: + from typing import Generator, Any, List, Tuple, Dict # noqa: F401 + + +class CaresResolver(Resolver): + """Name resolver based on the c-ares library. + + This is a non-blocking and non-threaded resolver. It may not produce + the same results as the system resolver, but can be used for non-blocking + resolution when threads cannot be used. + + c-ares fails to resolve some names when ``family`` is ``AF_UNSPEC``, + so it is only recommended for use in ``AF_INET`` (i.e. IPv4). This is + the default for ``tornado.simple_httpclient``, but other libraries + may default to ``AF_UNSPEC``. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + """ + + def initialize(self) -> None: + self.io_loop = IOLoop.current() + self.channel = pycares.Channel(sock_state_cb=self._sock_state_cb) + self.fds = {} # type: Dict[int, int] + + def _sock_state_cb(self, fd: int, readable: bool, writable: bool) -> None: + state = (IOLoop.READ if readable else 0) | (IOLoop.WRITE if writable else 0) + if not state: + self.io_loop.remove_handler(fd) + del self.fds[fd] + elif fd in self.fds: + self.io_loop.update_handler(fd, state) + self.fds[fd] = state + else: + self.io_loop.add_handler(fd, self._handle_events, state) + self.fds[fd] = state + + def _handle_events(self, fd: int, events: int) -> None: + read_fd = pycares.ARES_SOCKET_BAD + write_fd = pycares.ARES_SOCKET_BAD + if events & IOLoop.READ: + read_fd = fd + if events & IOLoop.WRITE: + write_fd = fd + self.channel.process_fd(read_fd, write_fd) + + @gen.coroutine + def resolve( + self, host: str, port: int, family: int = 0 + ) -> "Generator[Any, Any, List[Tuple[int, Any]]]": + if is_valid_ip(host): + addresses = [host] + else: + # gethostbyname doesn't take callback as a kwarg + fut = Future() # type: Future[Tuple[Any, Any]] + self.channel.gethostbyname( + host, family, lambda result, error: fut.set_result((result, error)) + ) + result, error = yield fut + if error: + raise IOError( + "C-Ares returned error %s: %s while resolving %s" + % (error, pycares.errno.strerror(error), host) + ) + addresses = result.addresses + addrinfo = [] + for address in addresses: + if "." in address: + address_family = socket.AF_INET + elif ":" in address: + address_family = socket.AF_INET6 + else: + address_family = socket.AF_UNSPEC + if family != socket.AF_UNSPEC and family != address_family: + raise IOError( + "Requested socket family %d but got %d" % (family, address_family) + ) + addrinfo.append((typing.cast(int, address_family), (address, port))) + return addrinfo diff --git a/venv/lib/python3.7/site-packages/tornado/platform/interface.py b/venv/lib/python3.7/site-packages/tornado/platform/interface.py new file mode 100644 index 0000000..11afdb1 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/interface.py @@ -0,0 +1,26 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Interfaces for platform-specific functionality. + +This module exists primarily for documentation purposes and as base classes +for other tornado.platform modules. Most code should import the appropriate +implementation from `tornado.platform.auto`. +""" + + +def set_close_exec(fd: int) -> None: + """Sets the close-on-exec bit (``FD_CLOEXEC``)for a file descriptor.""" + raise NotImplementedError() diff --git a/venv/lib/python3.7/site-packages/tornado/platform/posix.py b/venv/lib/python3.7/site-packages/tornado/platform/posix.py new file mode 100644 index 0000000..0ab27ca --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/posix.py @@ -0,0 +1,29 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Posix implementations of platform-specific functionality.""" + +import fcntl +import os + + +def set_close_exec(fd: int) -> None: + flags = fcntl.fcntl(fd, fcntl.F_GETFD) + fcntl.fcntl(fd, fcntl.F_SETFD, flags | fcntl.FD_CLOEXEC) + + +def _set_nonblocking(fd: int) -> None: + flags = fcntl.fcntl(fd, fcntl.F_GETFL) + fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK) diff --git a/venv/lib/python3.7/site-packages/tornado/platform/twisted.py b/venv/lib/python3.7/site-packages/tornado/platform/twisted.py new file mode 100644 index 0000000..3881631 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/twisted.py @@ -0,0 +1,131 @@ +# Author: Ovidiu Predescu +# Date: July 2011 +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +"""Bridges between the Twisted reactor and Tornado IOLoop. + +This module lets you run applications and libraries written for +Twisted in a Tornado application. It can be used in two modes, +depending on which library's underlying event loop you want to use. + +This module has been tested with Twisted versions 11.0.0 and newer. +""" + +import socket +import sys + +import twisted.internet.abstract # type: ignore +import twisted.internet.asyncioreactor # type: ignore +from twisted.internet.defer import Deferred # type: ignore +from twisted.python import failure # type: ignore +import twisted.names.cache # type: ignore +import twisted.names.client # type: ignore +import twisted.names.hosts # type: ignore +import twisted.names.resolve # type: ignore + + +from tornado.concurrent import Future, future_set_exc_info +from tornado.escape import utf8 +from tornado import gen +from tornado.netutil import Resolver + +import typing + +if typing.TYPE_CHECKING: + from typing import Generator, Any, List, Tuple # noqa: F401 + + +class TwistedResolver(Resolver): + """Twisted-based asynchronous resolver. + + This is a non-blocking and non-threaded resolver. It is + recommended only when threads cannot be used, since it has + limitations compared to the standard ``getaddrinfo``-based + `~tornado.netutil.Resolver` and + `~tornado.netutil.DefaultExecutorResolver`. Specifically, it returns at + most one result, and arguments other than ``host`` and ``family`` + are ignored. It may fail to resolve when ``family`` is not + ``socket.AF_UNSPEC``. + + Requires Twisted 12.1 or newer. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + """ + + def initialize(self) -> None: + # partial copy of twisted.names.client.createResolver, which doesn't + # allow for a reactor to be passed in. + self.reactor = twisted.internet.asyncioreactor.AsyncioSelectorReactor() + + host_resolver = twisted.names.hosts.Resolver("/etc/hosts") + cache_resolver = twisted.names.cache.CacheResolver(reactor=self.reactor) + real_resolver = twisted.names.client.Resolver( + "/etc/resolv.conf", reactor=self.reactor + ) + self.resolver = twisted.names.resolve.ResolverChain( + [host_resolver, cache_resolver, real_resolver] + ) + + @gen.coroutine + def resolve( + self, host: str, port: int, family: int = 0 + ) -> "Generator[Any, Any, List[Tuple[int, Any]]]": + # getHostByName doesn't accept IP addresses, so if the input + # looks like an IP address just return it immediately. + if twisted.internet.abstract.isIPAddress(host): + resolved = host + resolved_family = socket.AF_INET + elif twisted.internet.abstract.isIPv6Address(host): + resolved = host + resolved_family = socket.AF_INET6 + else: + deferred = self.resolver.getHostByName(utf8(host)) + fut = Future() # type: Future[Any] + deferred.addBoth(fut.set_result) + resolved = yield fut + if isinstance(resolved, failure.Failure): + try: + resolved.raiseException() + except twisted.names.error.DomainError as e: + raise IOError(e) + elif twisted.internet.abstract.isIPAddress(resolved): + resolved_family = socket.AF_INET + elif twisted.internet.abstract.isIPv6Address(resolved): + resolved_family = socket.AF_INET6 + else: + resolved_family = socket.AF_UNSPEC + if family != socket.AF_UNSPEC and family != resolved_family: + raise Exception( + "Requested socket family %d but got %d" % (family, resolved_family) + ) + result = [(typing.cast(int, resolved_family), (resolved, port))] + return result + + +if hasattr(gen.convert_yielded, "register"): + + @gen.convert_yielded.register(Deferred) # type: ignore + def _(d: Deferred) -> Future: + f = Future() # type: Future[Any] + + def errback(failure: failure.Failure) -> None: + try: + failure.raiseException() + # Should never happen, but just in case + raise Exception("errback called without error") + except: + future_set_exc_info(f, sys.exc_info()) + + d.addCallbacks(f.set_result, errback) + return f diff --git a/venv/lib/python3.7/site-packages/tornado/platform/windows.py b/venv/lib/python3.7/site-packages/tornado/platform/windows.py new file mode 100644 index 0000000..ddbde20 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/platform/windows.py @@ -0,0 +1,22 @@ +# NOTE: win32 support is currently experimental, and not recommended +# for production use. + +import ctypes +import ctypes.wintypes + +# See: http://msdn.microsoft.com/en-us/library/ms724935(VS.85).aspx +SetHandleInformation = ctypes.windll.kernel32.SetHandleInformation # type: ignore +SetHandleInformation.argtypes = ( + ctypes.wintypes.HANDLE, + ctypes.wintypes.DWORD, + ctypes.wintypes.DWORD, +) +SetHandleInformation.restype = ctypes.wintypes.BOOL + +HANDLE_FLAG_INHERIT = 0x00000001 + + +def set_close_exec(fd: int) -> None: + success = SetHandleInformation(fd, HANDLE_FLAG_INHERIT, 0) + if not success: + raise ctypes.WinError() # type: ignore diff --git a/venv/lib/python3.7/site-packages/tornado/process.py b/venv/lib/python3.7/site-packages/tornado/process.py new file mode 100644 index 0000000..c1a5fce --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/process.py @@ -0,0 +1,373 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Utilities for working with multiple processes, including both forking +the server into multiple processes and managing subprocesses. +""" + +import errno +import os +import multiprocessing +import signal +import subprocess +import sys +import time + +from binascii import hexlify + +from tornado.concurrent import ( + Future, + future_set_result_unless_cancelled, + future_set_exception_unless_cancelled, +) +from tornado import ioloop +from tornado.iostream import PipeIOStream +from tornado.log import gen_log +from tornado.platform.auto import set_close_exec +from tornado.util import errno_from_exception + +import typing +from typing import Tuple, Optional, Any, Callable + +if typing.TYPE_CHECKING: + from typing import List # noqa: F401 + +# Re-export this exception for convenience. +CalledProcessError = subprocess.CalledProcessError + + +def cpu_count() -> int: + """Returns the number of processors on this machine.""" + if multiprocessing is None: + return 1 + try: + return multiprocessing.cpu_count() + except NotImplementedError: + pass + try: + return os.sysconf("SC_NPROCESSORS_CONF") + except (AttributeError, ValueError): + pass + gen_log.error("Could not detect number of processors; assuming 1") + return 1 + + +def _reseed_random() -> None: + if "random" not in sys.modules: + return + import random + + # If os.urandom is available, this method does the same thing as + # random.seed (at least as of python 2.6). If os.urandom is not + # available, we mix in the pid in addition to a timestamp. + try: + seed = int(hexlify(os.urandom(16)), 16) + except NotImplementedError: + seed = int(time.time() * 1000) ^ os.getpid() + random.seed(seed) + + +def _pipe_cloexec() -> Tuple[int, int]: + r, w = os.pipe() + set_close_exec(r) + set_close_exec(w) + return r, w + + +_task_id = None + + +def fork_processes(num_processes: Optional[int], max_restarts: int = None) -> int: + """Starts multiple worker processes. + + If ``num_processes`` is None or <= 0, we detect the number of cores + available on this machine and fork that number of child + processes. If ``num_processes`` is given and > 0, we fork that + specific number of sub-processes. + + Since we use processes and not threads, there is no shared memory + between any server code. + + Note that multiple processes are not compatible with the autoreload + module (or the ``autoreload=True`` option to `tornado.web.Application` + which defaults to True when ``debug=True``). + When using multiple processes, no IOLoops can be created or + referenced until after the call to ``fork_processes``. + + In each child process, ``fork_processes`` returns its *task id*, a + number between 0 and ``num_processes``. Processes that exit + abnormally (due to a signal or non-zero exit status) are restarted + with the same id (up to ``max_restarts`` times). In the parent + process, ``fork_processes`` returns None if all child processes + have exited normally, but will otherwise only exit by throwing an + exception. + + max_restarts defaults to 100. + """ + if max_restarts is None: + max_restarts = 100 + + global _task_id + assert _task_id is None + if num_processes is None or num_processes <= 0: + num_processes = cpu_count() + gen_log.info("Starting %d processes", num_processes) + children = {} + + def start_child(i: int) -> Optional[int]: + pid = os.fork() + if pid == 0: + # child process + _reseed_random() + global _task_id + _task_id = i + return i + else: + children[pid] = i + return None + + for i in range(num_processes): + id = start_child(i) + if id is not None: + return id + num_restarts = 0 + while children: + try: + pid, status = os.wait() + except OSError as e: + if errno_from_exception(e) == errno.EINTR: + continue + raise + if pid not in children: + continue + id = children.pop(pid) + if os.WIFSIGNALED(status): + gen_log.warning( + "child %d (pid %d) killed by signal %d, restarting", + id, + pid, + os.WTERMSIG(status), + ) + elif os.WEXITSTATUS(status) != 0: + gen_log.warning( + "child %d (pid %d) exited with status %d, restarting", + id, + pid, + os.WEXITSTATUS(status), + ) + else: + gen_log.info("child %d (pid %d) exited normally", id, pid) + continue + num_restarts += 1 + if num_restarts > max_restarts: + raise RuntimeError("Too many child restarts, giving up") + new_id = start_child(id) + if new_id is not None: + return new_id + # All child processes exited cleanly, so exit the master process + # instead of just returning to right after the call to + # fork_processes (which will probably just start up another IOLoop + # unless the caller checks the return value). + sys.exit(0) + + +def task_id() -> Optional[int]: + """Returns the current task id, if any. + + Returns None if this process was not created by `fork_processes`. + """ + global _task_id + return _task_id + + +class Subprocess(object): + """Wraps ``subprocess.Popen`` with IOStream support. + + The constructor is the same as ``subprocess.Popen`` with the following + additions: + + * ``stdin``, ``stdout``, and ``stderr`` may have the value + ``tornado.process.Subprocess.STREAM``, which will make the corresponding + attribute of the resulting Subprocess a `.PipeIOStream`. If this option + is used, the caller is responsible for closing the streams when done + with them. + + The ``Subprocess.STREAM`` option and the ``set_exit_callback`` and + ``wait_for_exit`` methods do not work on Windows. There is + therefore no reason to use this class instead of + ``subprocess.Popen`` on that platform. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + + """ + + STREAM = object() + + _initialized = False + _waiting = {} # type: ignore + _old_sigchld = None + + def __init__(self, *args: Any, **kwargs: Any) -> None: + self.io_loop = ioloop.IOLoop.current() + # All FDs we create should be closed on error; those in to_close + # should be closed in the parent process on success. + pipe_fds = [] # type: List[int] + to_close = [] # type: List[int] + if kwargs.get("stdin") is Subprocess.STREAM: + in_r, in_w = _pipe_cloexec() + kwargs["stdin"] = in_r + pipe_fds.extend((in_r, in_w)) + to_close.append(in_r) + self.stdin = PipeIOStream(in_w) + if kwargs.get("stdout") is Subprocess.STREAM: + out_r, out_w = _pipe_cloexec() + kwargs["stdout"] = out_w + pipe_fds.extend((out_r, out_w)) + to_close.append(out_w) + self.stdout = PipeIOStream(out_r) + if kwargs.get("stderr") is Subprocess.STREAM: + err_r, err_w = _pipe_cloexec() + kwargs["stderr"] = err_w + pipe_fds.extend((err_r, err_w)) + to_close.append(err_w) + self.stderr = PipeIOStream(err_r) + try: + self.proc = subprocess.Popen(*args, **kwargs) + except: + for fd in pipe_fds: + os.close(fd) + raise + for fd in to_close: + os.close(fd) + self.pid = self.proc.pid + for attr in ["stdin", "stdout", "stderr"]: + if not hasattr(self, attr): # don't clobber streams set above + setattr(self, attr, getattr(self.proc, attr)) + self._exit_callback = None # type: Optional[Callable[[int], None]] + self.returncode = None # type: Optional[int] + + def set_exit_callback(self, callback: Callable[[int], None]) -> None: + """Runs ``callback`` when this process exits. + + The callback takes one argument, the return code of the process. + + This method uses a ``SIGCHLD`` handler, which is a global setting + and may conflict if you have other libraries trying to handle the + same signal. If you are using more than one ``IOLoop`` it may + be necessary to call `Subprocess.initialize` first to designate + one ``IOLoop`` to run the signal handlers. + + In many cases a close callback on the stdout or stderr streams + can be used as an alternative to an exit callback if the + signal handler is causing a problem. + """ + self._exit_callback = callback + Subprocess.initialize() + Subprocess._waiting[self.pid] = self + Subprocess._try_cleanup_process(self.pid) + + def wait_for_exit(self, raise_error: bool = True) -> "Future[int]": + """Returns a `.Future` which resolves when the process exits. + + Usage:: + + ret = yield proc.wait_for_exit() + + This is a coroutine-friendly alternative to `set_exit_callback` + (and a replacement for the blocking `subprocess.Popen.wait`). + + By default, raises `subprocess.CalledProcessError` if the process + has a non-zero exit status. Use ``wait_for_exit(raise_error=False)`` + to suppress this behavior and return the exit status without raising. + + .. versionadded:: 4.2 + """ + future = Future() # type: Future[int] + + def callback(ret: int) -> None: + if ret != 0 and raise_error: + # Unfortunately we don't have the original args any more. + future_set_exception_unless_cancelled( + future, CalledProcessError(ret, "unknown") + ) + else: + future_set_result_unless_cancelled(future, ret) + + self.set_exit_callback(callback) + return future + + @classmethod + def initialize(cls) -> None: + """Initializes the ``SIGCHLD`` handler. + + The signal handler is run on an `.IOLoop` to avoid locking issues. + Note that the `.IOLoop` used for signal handling need not be the + same one used by individual Subprocess objects (as long as the + ``IOLoops`` are each running in separate threads). + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been + removed. + """ + if cls._initialized: + return + io_loop = ioloop.IOLoop.current() + cls._old_sigchld = signal.signal( + signal.SIGCHLD, + lambda sig, frame: io_loop.add_callback_from_signal(cls._cleanup), + ) + cls._initialized = True + + @classmethod + def uninitialize(cls) -> None: + """Removes the ``SIGCHLD`` handler.""" + if not cls._initialized: + return + signal.signal(signal.SIGCHLD, cls._old_sigchld) + cls._initialized = False + + @classmethod + def _cleanup(cls) -> None: + for pid in list(cls._waiting.keys()): # make a copy + cls._try_cleanup_process(pid) + + @classmethod + def _try_cleanup_process(cls, pid: int) -> None: + try: + ret_pid, status = os.waitpid(pid, os.WNOHANG) + except OSError as e: + if errno_from_exception(e) == errno.ECHILD: + return + if ret_pid == 0: + return + assert ret_pid == pid + subproc = cls._waiting.pop(pid) + subproc.io_loop.add_callback_from_signal(subproc._set_returncode, status) + + def _set_returncode(self, status: int) -> None: + if os.WIFSIGNALED(status): + self.returncode = -os.WTERMSIG(status) + else: + assert os.WIFEXITED(status) + self.returncode = os.WEXITSTATUS(status) + # We've taken over wait() duty from the subprocess.Popen + # object. If we don't inform it of the process's return code, + # it will log a warning at destruction in python 3.6+. + self.proc.returncode = self.returncode + if self._exit_callback: + callback = self._exit_callback + self._exit_callback = None + callback(self.returncode) diff --git a/venv/lib/python3.7/site-packages/tornado/py.typed b/venv/lib/python3.7/site-packages/tornado/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.7/site-packages/tornado/queues.py b/venv/lib/python3.7/site-packages/tornado/queues.py new file mode 100644 index 0000000..19ff6c6 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/queues.py @@ -0,0 +1,410 @@ +# Copyright 2015 The Tornado Authors +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Asynchronous queues for coroutines. These classes are very similar +to those provided in the standard library's `asyncio package +<https://docs.python.org/3/library/asyncio-queue.html>`_. + +.. warning:: + + Unlike the standard library's `queue` module, the classes defined here + are *not* thread-safe. To use these queues from another thread, + use `.IOLoop.add_callback` to transfer control to the `.IOLoop` thread + before calling any queue methods. + +""" + +import collections +import datetime +import heapq + +from tornado import gen, ioloop +from tornado.concurrent import Future, future_set_result_unless_cancelled +from tornado.locks import Event + +from typing import Union, TypeVar, Generic, Awaitable +import typing + +if typing.TYPE_CHECKING: + from typing import Deque, Tuple, List, Any # noqa: F401 + +_T = TypeVar("_T") + +__all__ = ["Queue", "PriorityQueue", "LifoQueue", "QueueFull", "QueueEmpty"] + + +class QueueEmpty(Exception): + """Raised by `.Queue.get_nowait` when the queue has no items.""" + + pass + + +class QueueFull(Exception): + """Raised by `.Queue.put_nowait` when a queue is at its maximum size.""" + + pass + + +def _set_timeout( + future: Future, timeout: Union[None, float, datetime.timedelta] +) -> None: + if timeout: + + def on_timeout() -> None: + if not future.done(): + future.set_exception(gen.TimeoutError()) + + io_loop = ioloop.IOLoop.current() + timeout_handle = io_loop.add_timeout(timeout, on_timeout) + future.add_done_callback(lambda _: io_loop.remove_timeout(timeout_handle)) + + +class _QueueIterator(Generic[_T]): + def __init__(self, q: "Queue[_T]") -> None: + self.q = q + + def __anext__(self) -> Awaitable[_T]: + return self.q.get() + + +class Queue(Generic[_T]): + """Coordinate producer and consumer coroutines. + + If maxsize is 0 (the default) the queue size is unbounded. + + .. testcode:: + + from tornado import gen + from tornado.ioloop import IOLoop + from tornado.queues import Queue + + q = Queue(maxsize=2) + + async def consumer(): + async for item in q: + try: + print('Doing work on %s' % item) + await gen.sleep(0.01) + finally: + q.task_done() + + async def producer(): + for item in range(5): + await q.put(item) + print('Put %s' % item) + + async def main(): + # Start consumer without waiting (since it never finishes). + IOLoop.current().spawn_callback(consumer) + await producer() # Wait for producer to put all tasks. + await q.join() # Wait for consumer to finish all tasks. + print('Done') + + IOLoop.current().run_sync(main) + + .. testoutput:: + + Put 0 + Put 1 + Doing work on 0 + Put 2 + Doing work on 1 + Put 3 + Doing work on 2 + Put 4 + Doing work on 3 + Doing work on 4 + Done + + + In versions of Python without native coroutines (before 3.5), + ``consumer()`` could be written as:: + + @gen.coroutine + def consumer(): + while True: + item = yield q.get() + try: + print('Doing work on %s' % item) + yield gen.sleep(0.01) + finally: + q.task_done() + + .. versionchanged:: 4.3 + Added ``async for`` support in Python 3.5. + + """ + + # Exact type depends on subclass. Could be another generic + # parameter and use protocols to be more precise here. + _queue = None # type: Any + + def __init__(self, maxsize: int = 0) -> None: + if maxsize is None: + raise TypeError("maxsize can't be None") + + if maxsize < 0: + raise ValueError("maxsize can't be negative") + + self._maxsize = maxsize + self._init() + self._getters = collections.deque([]) # type: Deque[Future[_T]] + self._putters = collections.deque([]) # type: Deque[Tuple[_T, Future[None]]] + self._unfinished_tasks = 0 + self._finished = Event() + self._finished.set() + + @property + def maxsize(self) -> int: + """Number of items allowed in the queue.""" + return self._maxsize + + def qsize(self) -> int: + """Number of items in the queue.""" + return len(self._queue) + + def empty(self) -> bool: + return not self._queue + + def full(self) -> bool: + if self.maxsize == 0: + return False + else: + return self.qsize() >= self.maxsize + + def put( + self, item: _T, timeout: Union[float, datetime.timedelta] = None + ) -> "Future[None]": + """Put an item into the queue, perhaps waiting until there is room. + + Returns a Future, which raises `tornado.util.TimeoutError` after a + timeout. + + ``timeout`` may be a number denoting a time (on the same + scale as `tornado.ioloop.IOLoop.time`, normally `time.time`), or a + `datetime.timedelta` object for a deadline relative to the + current time. + """ + future = Future() # type: Future[None] + try: + self.put_nowait(item) + except QueueFull: + self._putters.append((item, future)) + _set_timeout(future, timeout) + else: + future.set_result(None) + return future + + def put_nowait(self, item: _T) -> None: + """Put an item into the queue without blocking. + + If no free slot is immediately available, raise `QueueFull`. + """ + self._consume_expired() + if self._getters: + assert self.empty(), "queue non-empty, why are getters waiting?" + getter = self._getters.popleft() + self.__put_internal(item) + future_set_result_unless_cancelled(getter, self._get()) + elif self.full(): + raise QueueFull + else: + self.__put_internal(item) + + def get(self, timeout: Union[float, datetime.timedelta] = None) -> Awaitable[_T]: + """Remove and return an item from the queue. + + Returns an awaitable which resolves once an item is available, or raises + `tornado.util.TimeoutError` after a timeout. + + ``timeout`` may be a number denoting a time (on the same + scale as `tornado.ioloop.IOLoop.time`, normally `time.time`), or a + `datetime.timedelta` object for a deadline relative to the + current time. + + .. note:: + + The ``timeout`` argument of this method differs from that + of the standard library's `queue.Queue.get`. That method + interprets numeric values as relative timeouts; this one + interprets them as absolute deadlines and requires + ``timedelta`` objects for relative timeouts (consistent + with other timeouts in Tornado). + + """ + future = Future() # type: Future[_T] + try: + future.set_result(self.get_nowait()) + except QueueEmpty: + self._getters.append(future) + _set_timeout(future, timeout) + return future + + def get_nowait(self) -> _T: + """Remove and return an item from the queue without blocking. + + Return an item if one is immediately available, else raise + `QueueEmpty`. + """ + self._consume_expired() + if self._putters: + assert self.full(), "queue not full, why are putters waiting?" + item, putter = self._putters.popleft() + self.__put_internal(item) + future_set_result_unless_cancelled(putter, None) + return self._get() + elif self.qsize(): + return self._get() + else: + raise QueueEmpty + + def task_done(self) -> None: + """Indicate that a formerly enqueued task is complete. + + Used by queue consumers. For each `.get` used to fetch a task, a + subsequent call to `.task_done` tells the queue that the processing + on the task is complete. + + If a `.join` is blocking, it resumes when all items have been + processed; that is, when every `.put` is matched by a `.task_done`. + + Raises `ValueError` if called more times than `.put`. + """ + if self._unfinished_tasks <= 0: + raise ValueError("task_done() called too many times") + self._unfinished_tasks -= 1 + if self._unfinished_tasks == 0: + self._finished.set() + + def join(self, timeout: Union[float, datetime.timedelta] = None) -> Awaitable[None]: + """Block until all items in the queue are processed. + + Returns an awaitable, which raises `tornado.util.TimeoutError` after a + timeout. + """ + return self._finished.wait(timeout) + + def __aiter__(self) -> _QueueIterator[_T]: + return _QueueIterator(self) + + # These three are overridable in subclasses. + def _init(self) -> None: + self._queue = collections.deque() + + def _get(self) -> _T: + return self._queue.popleft() + + def _put(self, item: _T) -> None: + self._queue.append(item) + + # End of the overridable methods. + + def __put_internal(self, item: _T) -> None: + self._unfinished_tasks += 1 + self._finished.clear() + self._put(item) + + def _consume_expired(self) -> None: + # Remove timed-out waiters. + while self._putters and self._putters[0][1].done(): + self._putters.popleft() + + while self._getters and self._getters[0].done(): + self._getters.popleft() + + def __repr__(self) -> str: + return "<%s at %s %s>" % (type(self).__name__, hex(id(self)), self._format()) + + def __str__(self) -> str: + return "<%s %s>" % (type(self).__name__, self._format()) + + def _format(self) -> str: + result = "maxsize=%r" % (self.maxsize,) + if getattr(self, "_queue", None): + result += " queue=%r" % self._queue + if self._getters: + result += " getters[%s]" % len(self._getters) + if self._putters: + result += " putters[%s]" % len(self._putters) + if self._unfinished_tasks: + result += " tasks=%s" % self._unfinished_tasks + return result + + +class PriorityQueue(Queue): + """A `.Queue` that retrieves entries in priority order, lowest first. + + Entries are typically tuples like ``(priority number, data)``. + + .. testcode:: + + from tornado.queues import PriorityQueue + + q = PriorityQueue() + q.put((1, 'medium-priority item')) + q.put((0, 'high-priority item')) + q.put((10, 'low-priority item')) + + print(q.get_nowait()) + print(q.get_nowait()) + print(q.get_nowait()) + + .. testoutput:: + + (0, 'high-priority item') + (1, 'medium-priority item') + (10, 'low-priority item') + """ + + def _init(self) -> None: + self._queue = [] + + def _put(self, item: _T) -> None: + heapq.heappush(self._queue, item) + + def _get(self) -> _T: + return heapq.heappop(self._queue) + + +class LifoQueue(Queue): + """A `.Queue` that retrieves the most recently put items first. + + .. testcode:: + + from tornado.queues import LifoQueue + + q = LifoQueue() + q.put(3) + q.put(2) + q.put(1) + + print(q.get_nowait()) + print(q.get_nowait()) + print(q.get_nowait()) + + .. testoutput:: + + 1 + 2 + 3 + """ + + def _init(self) -> None: + self._queue = [] + + def _put(self, item: _T) -> None: + self._queue.append(item) + + def _get(self) -> _T: + return self._queue.pop() diff --git a/venv/lib/python3.7/site-packages/tornado/routing.py b/venv/lib/python3.7/site-packages/tornado/routing.py new file mode 100644 index 0000000..ae7abcd --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/routing.py @@ -0,0 +1,711 @@ +# Copyright 2015 The Tornado Authors +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Flexible routing implementation. + +Tornado routes HTTP requests to appropriate handlers using `Router` +class implementations. The `tornado.web.Application` class is a +`Router` implementation and may be used directly, or the classes in +this module may be used for additional flexibility. The `RuleRouter` +class can match on more criteria than `.Application`, or the `Router` +interface can be subclassed for maximum customization. + +`Router` interface extends `~.httputil.HTTPServerConnectionDelegate` +to provide additional routing capabilities. This also means that any +`Router` implementation can be used directly as a ``request_callback`` +for `~.httpserver.HTTPServer` constructor. + +`Router` subclass must implement a ``find_handler`` method to provide +a suitable `~.httputil.HTTPMessageDelegate` instance to handle the +request: + +.. code-block:: python + + class CustomRouter(Router): + def find_handler(self, request, **kwargs): + # some routing logic providing a suitable HTTPMessageDelegate instance + return MessageDelegate(request.connection) + + class MessageDelegate(HTTPMessageDelegate): + def __init__(self, connection): + self.connection = connection + + def finish(self): + self.connection.write_headers( + ResponseStartLine("HTTP/1.1", 200, "OK"), + HTTPHeaders({"Content-Length": "2"}), + b"OK") + self.connection.finish() + + router = CustomRouter() + server = HTTPServer(router) + +The main responsibility of `Router` implementation is to provide a +mapping from a request to `~.httputil.HTTPMessageDelegate` instance +that will handle this request. In the example above we can see that +routing is possible even without instantiating an `~.web.Application`. + +For routing to `~.web.RequestHandler` implementations we need an +`~.web.Application` instance. `~.web.Application.get_handler_delegate` +provides a convenient way to create `~.httputil.HTTPMessageDelegate` +for a given request and `~.web.RequestHandler`. + +Here is a simple example of how we can we route to +`~.web.RequestHandler` subclasses by HTTP method: + +.. code-block:: python + + resources = {} + + class GetResource(RequestHandler): + def get(self, path): + if path not in resources: + raise HTTPError(404) + + self.finish(resources[path]) + + class PostResource(RequestHandler): + def post(self, path): + resources[path] = self.request.body + + class HTTPMethodRouter(Router): + def __init__(self, app): + self.app = app + + def find_handler(self, request, **kwargs): + handler = GetResource if request.method == "GET" else PostResource + return self.app.get_handler_delegate(request, handler, path_args=[request.path]) + + router = HTTPMethodRouter(Application()) + server = HTTPServer(router) + +`ReversibleRouter` interface adds the ability to distinguish between +the routes and reverse them to the original urls using route's name +and additional arguments. `~.web.Application` is itself an +implementation of `ReversibleRouter` class. + +`RuleRouter` and `ReversibleRuleRouter` are implementations of +`Router` and `ReversibleRouter` interfaces and can be used for +creating rule-based routing configurations. + +Rules are instances of `Rule` class. They contain a `Matcher`, which +provides the logic for determining whether the rule is a match for a +particular request and a target, which can be one of the following. + +1) An instance of `~.httputil.HTTPServerConnectionDelegate`: + +.. code-block:: python + + router = RuleRouter([ + Rule(PathMatches("/handler"), ConnectionDelegate()), + # ... more rules + ]) + + class ConnectionDelegate(HTTPServerConnectionDelegate): + def start_request(self, server_conn, request_conn): + return MessageDelegate(request_conn) + +2) A callable accepting a single argument of `~.httputil.HTTPServerRequest` type: + +.. code-block:: python + + router = RuleRouter([ + Rule(PathMatches("/callable"), request_callable) + ]) + + def request_callable(request): + request.write(b"HTTP/1.1 200 OK\\r\\nContent-Length: 2\\r\\n\\r\\nOK") + request.finish() + +3) Another `Router` instance: + +.. code-block:: python + + router = RuleRouter([ + Rule(PathMatches("/router.*"), CustomRouter()) + ]) + +Of course a nested `RuleRouter` or a `~.web.Application` is allowed: + +.. code-block:: python + + router = RuleRouter([ + Rule(HostMatches("example.com"), RuleRouter([ + Rule(PathMatches("/app1/.*"), Application([(r"/app1/handler", Handler)]))), + ])) + ]) + + server = HTTPServer(router) + +In the example below `RuleRouter` is used to route between applications: + +.. code-block:: python + + app1 = Application([ + (r"/app1/handler", Handler1), + # other handlers ... + ]) + + app2 = Application([ + (r"/app2/handler", Handler2), + # other handlers ... + ]) + + router = RuleRouter([ + Rule(PathMatches("/app1.*"), app1), + Rule(PathMatches("/app2.*"), app2) + ]) + + server = HTTPServer(router) + +For more information on application-level routing see docs for `~.web.Application`. + +.. versionadded:: 4.5 + +""" + +import re +from functools import partial + +from tornado import httputil +from tornado.httpserver import _CallableAdapter +from tornado.escape import url_escape, url_unescape, utf8 +from tornado.log import app_log +from tornado.util import basestring_type, import_object, re_unescape, unicode_type + +from typing import Any, Union, Optional, Awaitable, List, Dict, Pattern, Tuple, overload + + +class Router(httputil.HTTPServerConnectionDelegate): + """Abstract router interface.""" + + def find_handler( + self, request: httputil.HTTPServerRequest, **kwargs: Any + ) -> Optional[httputil.HTTPMessageDelegate]: + """Must be implemented to return an appropriate instance of `~.httputil.HTTPMessageDelegate` + that can serve the request. + Routing implementations may pass additional kwargs to extend the routing logic. + + :arg httputil.HTTPServerRequest request: current HTTP request. + :arg kwargs: additional keyword arguments passed by routing implementation. + :returns: an instance of `~.httputil.HTTPMessageDelegate` that will be used to + process the request. + """ + raise NotImplementedError() + + def start_request( + self, server_conn: object, request_conn: httputil.HTTPConnection + ) -> httputil.HTTPMessageDelegate: + return _RoutingDelegate(self, server_conn, request_conn) + + +class ReversibleRouter(Router): + """Abstract router interface for routers that can handle named routes + and support reversing them to original urls. + """ + + def reverse_url(self, name: str, *args: Any) -> Optional[str]: + """Returns url string for a given route name and arguments + or ``None`` if no match is found. + + :arg str name: route name. + :arg args: url parameters. + :returns: parametrized url string for a given route name (or ``None``). + """ + raise NotImplementedError() + + +class _RoutingDelegate(httputil.HTTPMessageDelegate): + def __init__( + self, router: Router, server_conn: object, request_conn: httputil.HTTPConnection + ) -> None: + self.server_conn = server_conn + self.request_conn = request_conn + self.delegate = None # type: Optional[httputil.HTTPMessageDelegate] + self.router = router # type: Router + + def headers_received( + self, + start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine], + headers: httputil.HTTPHeaders, + ) -> Optional[Awaitable[None]]: + assert isinstance(start_line, httputil.RequestStartLine) + request = httputil.HTTPServerRequest( + connection=self.request_conn, + server_connection=self.server_conn, + start_line=start_line, + headers=headers, + ) + + self.delegate = self.router.find_handler(request) + if self.delegate is None: + app_log.debug( + "Delegate for %s %s request not found", + start_line.method, + start_line.path, + ) + self.delegate = _DefaultMessageDelegate(self.request_conn) + + return self.delegate.headers_received(start_line, headers) + + def data_received(self, chunk: bytes) -> Optional[Awaitable[None]]: + assert self.delegate is not None + return self.delegate.data_received(chunk) + + def finish(self) -> None: + assert self.delegate is not None + self.delegate.finish() + + def on_connection_close(self) -> None: + assert self.delegate is not None + self.delegate.on_connection_close() + + +class _DefaultMessageDelegate(httputil.HTTPMessageDelegate): + def __init__(self, connection: httputil.HTTPConnection) -> None: + self.connection = connection + + def finish(self) -> None: + self.connection.write_headers( + httputil.ResponseStartLine("HTTP/1.1", 404, "Not Found"), + httputil.HTTPHeaders(), + ) + self.connection.finish() + + +# _RuleList can either contain pre-constructed Rules or a sequence of +# arguments to be passed to the Rule constructor. +_RuleList = List[ + Union[ + "Rule", + List[Any], # Can't do detailed typechecking of lists. + Tuple[Union[str, "Matcher"], Any], + Tuple[Union[str, "Matcher"], Any, Dict[str, Any]], + Tuple[Union[str, "Matcher"], Any, Dict[str, Any], str], + ] +] + + +class RuleRouter(Router): + """Rule-based router implementation.""" + + def __init__(self, rules: _RuleList = None) -> None: + """Constructs a router from an ordered list of rules:: + + RuleRouter([ + Rule(PathMatches("/handler"), Target), + # ... more rules + ]) + + You can also omit explicit `Rule` constructor and use tuples of arguments:: + + RuleRouter([ + (PathMatches("/handler"), Target), + ]) + + `PathMatches` is a default matcher, so the example above can be simplified:: + + RuleRouter([ + ("/handler", Target), + ]) + + In the examples above, ``Target`` can be a nested `Router` instance, an instance of + `~.httputil.HTTPServerConnectionDelegate` or an old-style callable, + accepting a request argument. + + :arg rules: a list of `Rule` instances or tuples of `Rule` + constructor arguments. + """ + self.rules = [] # type: List[Rule] + if rules: + self.add_rules(rules) + + def add_rules(self, rules: _RuleList) -> None: + """Appends new rules to the router. + + :arg rules: a list of Rule instances (or tuples of arguments, which are + passed to Rule constructor). + """ + for rule in rules: + if isinstance(rule, (tuple, list)): + assert len(rule) in (2, 3, 4) + if isinstance(rule[0], basestring_type): + rule = Rule(PathMatches(rule[0]), *rule[1:]) + else: + rule = Rule(*rule) + + self.rules.append(self.process_rule(rule)) + + def process_rule(self, rule: "Rule") -> "Rule": + """Override this method for additional preprocessing of each rule. + + :arg Rule rule: a rule to be processed. + :returns: the same or modified Rule instance. + """ + return rule + + def find_handler( + self, request: httputil.HTTPServerRequest, **kwargs: Any + ) -> Optional[httputil.HTTPMessageDelegate]: + for rule in self.rules: + target_params = rule.matcher.match(request) + if target_params is not None: + if rule.target_kwargs: + target_params["target_kwargs"] = rule.target_kwargs + + delegate = self.get_target_delegate( + rule.target, request, **target_params + ) + + if delegate is not None: + return delegate + + return None + + def get_target_delegate( + self, target: Any, request: httputil.HTTPServerRequest, **target_params: Any + ) -> Optional[httputil.HTTPMessageDelegate]: + """Returns an instance of `~.httputil.HTTPMessageDelegate` for a + Rule's target. This method is called by `~.find_handler` and can be + extended to provide additional target types. + + :arg target: a Rule's target. + :arg httputil.HTTPServerRequest request: current request. + :arg target_params: additional parameters that can be useful + for `~.httputil.HTTPMessageDelegate` creation. + """ + if isinstance(target, Router): + return target.find_handler(request, **target_params) + + elif isinstance(target, httputil.HTTPServerConnectionDelegate): + assert request.connection is not None + return target.start_request(request.server_connection, request.connection) + + elif callable(target): + assert request.connection is not None + return _CallableAdapter( + partial(target, **target_params), request.connection + ) + + return None + + +class ReversibleRuleRouter(ReversibleRouter, RuleRouter): + """A rule-based router that implements ``reverse_url`` method. + + Each rule added to this router may have a ``name`` attribute that can be + used to reconstruct an original uri. The actual reconstruction takes place + in a rule's matcher (see `Matcher.reverse`). + """ + + def __init__(self, rules: _RuleList = None) -> None: + self.named_rules = {} # type: Dict[str, Any] + super(ReversibleRuleRouter, self).__init__(rules) + + def process_rule(self, rule: "Rule") -> "Rule": + rule = super(ReversibleRuleRouter, self).process_rule(rule) + + if rule.name: + if rule.name in self.named_rules: + app_log.warning( + "Multiple handlers named %s; replacing previous value", rule.name + ) + self.named_rules[rule.name] = rule + + return rule + + def reverse_url(self, name: str, *args: Any) -> Optional[str]: + if name in self.named_rules: + return self.named_rules[name].matcher.reverse(*args) + + for rule in self.rules: + if isinstance(rule.target, ReversibleRouter): + reversed_url = rule.target.reverse_url(name, *args) + if reversed_url is not None: + return reversed_url + + return None + + +class Rule(object): + """A routing rule.""" + + def __init__( + self, + matcher: "Matcher", + target: Any, + target_kwargs: Dict[str, Any] = None, + name: str = None, + ) -> None: + """Constructs a Rule instance. + + :arg Matcher matcher: a `Matcher` instance used for determining + whether the rule should be considered a match for a specific + request. + :arg target: a Rule's target (typically a ``RequestHandler`` or + `~.httputil.HTTPServerConnectionDelegate` subclass or even a nested `Router`, + depending on routing implementation). + :arg dict target_kwargs: a dict of parameters that can be useful + at the moment of target instantiation (for example, ``status_code`` + for a ``RequestHandler`` subclass). They end up in + ``target_params['target_kwargs']`` of `RuleRouter.get_target_delegate` + method. + :arg str name: the name of the rule that can be used to find it + in `ReversibleRouter.reverse_url` implementation. + """ + if isinstance(target, str): + # import the Module and instantiate the class + # Must be a fully qualified name (module.ClassName) + target = import_object(target) + + self.matcher = matcher # type: Matcher + self.target = target + self.target_kwargs = target_kwargs if target_kwargs else {} + self.name = name + + def reverse(self, *args: Any) -> Optional[str]: + return self.matcher.reverse(*args) + + def __repr__(self) -> str: + return "%s(%r, %s, kwargs=%r, name=%r)" % ( + self.__class__.__name__, + self.matcher, + self.target, + self.target_kwargs, + self.name, + ) + + +class Matcher(object): + """Represents a matcher for request features.""" + + def match(self, request: httputil.HTTPServerRequest) -> Optional[Dict[str, Any]]: + """Matches current instance against the request. + + :arg httputil.HTTPServerRequest request: current HTTP request + :returns: a dict of parameters to be passed to the target handler + (for example, ``handler_kwargs``, ``path_args``, ``path_kwargs`` + can be passed for proper `~.web.RequestHandler` instantiation). + An empty dict is a valid (and common) return value to indicate a match + when the argument-passing features are not used. + ``None`` must be returned to indicate that there is no match.""" + raise NotImplementedError() + + def reverse(self, *args: Any) -> Optional[str]: + """Reconstructs full url from matcher instance and additional arguments.""" + return None + + +class AnyMatches(Matcher): + """Matches any request.""" + + def match(self, request: httputil.HTTPServerRequest) -> Optional[Dict[str, Any]]: + return {} + + +class HostMatches(Matcher): + """Matches requests from hosts specified by ``host_pattern`` regex.""" + + def __init__(self, host_pattern: Union[str, Pattern]) -> None: + if isinstance(host_pattern, basestring_type): + if not host_pattern.endswith("$"): + host_pattern += "$" + self.host_pattern = re.compile(host_pattern) + else: + self.host_pattern = host_pattern + + def match(self, request: httputil.HTTPServerRequest) -> Optional[Dict[str, Any]]: + if self.host_pattern.match(request.host_name): + return {} + + return None + + +class DefaultHostMatches(Matcher): + """Matches requests from host that is equal to application's default_host. + Always returns no match if ``X-Real-Ip`` header is present. + """ + + def __init__(self, application: Any, host_pattern: Pattern) -> None: + self.application = application + self.host_pattern = host_pattern + + def match(self, request: httputil.HTTPServerRequest) -> Optional[Dict[str, Any]]: + # Look for default host if not behind load balancer (for debugging) + if "X-Real-Ip" not in request.headers: + if self.host_pattern.match(self.application.default_host): + return {} + return None + + +class PathMatches(Matcher): + """Matches requests with paths specified by ``path_pattern`` regex.""" + + def __init__(self, path_pattern: Union[str, Pattern]) -> None: + if isinstance(path_pattern, basestring_type): + if not path_pattern.endswith("$"): + path_pattern += "$" + self.regex = re.compile(path_pattern) + else: + self.regex = path_pattern + + assert len(self.regex.groupindex) in (0, self.regex.groups), ( + "groups in url regexes must either be all named or all " + "positional: %r" % self.regex.pattern + ) + + self._path, self._group_count = self._find_groups() + + def match(self, request: httputil.HTTPServerRequest) -> Optional[Dict[str, Any]]: + match = self.regex.match(request.path) + if match is None: + return None + if not self.regex.groups: + return {} + + path_args = [] # type: List[bytes] + path_kwargs = {} # type: Dict[str, bytes] + + # Pass matched groups to the handler. Since + # match.groups() includes both named and + # unnamed groups, we want to use either groups + # or groupdict but not both. + if self.regex.groupindex: + path_kwargs = dict( + (str(k), _unquote_or_none(v)) for (k, v) in match.groupdict().items() + ) + else: + path_args = [_unquote_or_none(s) for s in match.groups()] + + return dict(path_args=path_args, path_kwargs=path_kwargs) + + def reverse(self, *args: Any) -> Optional[str]: + if self._path is None: + raise ValueError("Cannot reverse url regex " + self.regex.pattern) + assert len(args) == self._group_count, ( + "required number of arguments " "not found" + ) + if not len(args): + return self._path + converted_args = [] + for a in args: + if not isinstance(a, (unicode_type, bytes)): + a = str(a) + converted_args.append(url_escape(utf8(a), plus=False)) + return self._path % tuple(converted_args) + + def _find_groups(self) -> Tuple[Optional[str], Optional[int]]: + """Returns a tuple (reverse string, group count) for a url. + + For example: Given the url pattern /([0-9]{4})/([a-z-]+)/, this method + would return ('/%s/%s/', 2). + """ + pattern = self.regex.pattern + if pattern.startswith("^"): + pattern = pattern[1:] + if pattern.endswith("$"): + pattern = pattern[:-1] + + if self.regex.groups != pattern.count("("): + # The pattern is too complicated for our simplistic matching, + # so we can't support reversing it. + return None, None + + pieces = [] + for fragment in pattern.split("("): + if ")" in fragment: + paren_loc = fragment.index(")") + if paren_loc >= 0: + pieces.append("%s" + fragment[paren_loc + 1 :]) + else: + try: + unescaped_fragment = re_unescape(fragment) + except ValueError: + # If we can't unescape part of it, we can't + # reverse this url. + return (None, None) + pieces.append(unescaped_fragment) + + return "".join(pieces), self.regex.groups + + +class URLSpec(Rule): + """Specifies mappings between URLs and handlers. + + .. versionchanged: 4.5 + `URLSpec` is now a subclass of a `Rule` with `PathMatches` matcher and is preserved for + backwards compatibility. + """ + + def __init__( + self, + pattern: Union[str, Pattern], + handler: Any, + kwargs: Dict[str, Any] = None, + name: str = None, + ) -> None: + """Parameters: + + * ``pattern``: Regular expression to be matched. Any capturing + groups in the regex will be passed in to the handler's + get/post/etc methods as arguments (by keyword if named, by + position if unnamed. Named and unnamed capturing groups + may not be mixed in the same rule). + + * ``handler``: `~.web.RequestHandler` subclass to be invoked. + + * ``kwargs`` (optional): A dictionary of additional arguments + to be passed to the handler's constructor. + + * ``name`` (optional): A name for this handler. Used by + `~.web.Application.reverse_url`. + + """ + matcher = PathMatches(pattern) + super(URLSpec, self).__init__(matcher, handler, kwargs, name) + + self.regex = matcher.regex + self.handler_class = self.target + self.kwargs = kwargs + + def __repr__(self) -> str: + return "%s(%r, %s, kwargs=%r, name=%r)" % ( + self.__class__.__name__, + self.regex.pattern, + self.handler_class, + self.kwargs, + self.name, + ) + + +@overload +def _unquote_or_none(s: str) -> bytes: + pass + + +@overload # noqa: F811 +def _unquote_or_none(s: None) -> None: + pass + + +def _unquote_or_none(s: Optional[str]) -> Optional[bytes]: # noqa: F811 + """None-safe wrapper around url_unescape to handle unmatched optional + groups correctly. + + Note that args are passed as bytes so the handler can decide what + encoding to use. + """ + if s is None: + return s + return url_unescape(s, encoding=None, plus=False) diff --git a/venv/lib/python3.7/site-packages/tornado/simple_httpclient.py b/venv/lib/python3.7/site-packages/tornado/simple_httpclient.py new file mode 100644 index 0000000..1d82890 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/simple_httpclient.py @@ -0,0 +1,692 @@ +from tornado.escape import _unicode +from tornado import gen +from tornado.httpclient import ( + HTTPResponse, + HTTPError, + AsyncHTTPClient, + main, + _RequestProxy, + HTTPRequest, +) +from tornado import httputil +from tornado.http1connection import HTTP1Connection, HTTP1ConnectionParameters +from tornado.ioloop import IOLoop +from tornado.iostream import StreamClosedError, IOStream +from tornado.netutil import ( + Resolver, + OverrideResolver, + _client_ssl_defaults, + is_valid_ip, +) +from tornado.log import gen_log +from tornado.tcpclient import TCPClient + +import base64 +import collections +import copy +import functools +import re +import socket +import ssl +import sys +import time +from io import BytesIO +import urllib.parse + +from typing import Dict, Any, Callable, Optional, Type, Union +from types import TracebackType +import typing + +if typing.TYPE_CHECKING: + from typing import Deque, Tuple, List # noqa: F401 + + +class HTTPTimeoutError(HTTPError): + """Error raised by SimpleAsyncHTTPClient on timeout. + + For historical reasons, this is a subclass of `.HTTPClientError` + which simulates a response code of 599. + + .. versionadded:: 5.1 + """ + + def __init__(self, message: str) -> None: + super(HTTPTimeoutError, self).__init__(599, message=message) + + def __str__(self) -> str: + return self.message or "Timeout" + + +class HTTPStreamClosedError(HTTPError): + """Error raised by SimpleAsyncHTTPClient when the underlying stream is closed. + + When a more specific exception is available (such as `ConnectionResetError`), + it may be raised instead of this one. + + For historical reasons, this is a subclass of `.HTTPClientError` + which simulates a response code of 599. + + .. versionadded:: 5.1 + """ + + def __init__(self, message: str) -> None: + super(HTTPStreamClosedError, self).__init__(599, message=message) + + def __str__(self) -> str: + return self.message or "Stream closed" + + +class SimpleAsyncHTTPClient(AsyncHTTPClient): + """Non-blocking HTTP client with no external dependencies. + + This class implements an HTTP 1.1 client on top of Tornado's IOStreams. + Some features found in the curl-based AsyncHTTPClient are not yet + supported. In particular, proxies are not supported, connections + are not reused, and callers cannot select the network interface to be + used. + """ + + def initialize( # type: ignore + self, + max_clients: int = 10, + hostname_mapping: Dict[str, str] = None, + max_buffer_size: int = 104857600, + resolver: Resolver = None, + defaults: Dict[str, Any] = None, + max_header_size: int = None, + max_body_size: int = None, + ) -> None: + """Creates a AsyncHTTPClient. + + Only a single AsyncHTTPClient instance exists per IOLoop + in order to provide limitations on the number of pending connections. + ``force_instance=True`` may be used to suppress this behavior. + + Note that because of this implicit reuse, unless ``force_instance`` + is used, only the first call to the constructor actually uses + its arguments. It is recommended to use the ``configure`` method + instead of the constructor to ensure that arguments take effect. + + ``max_clients`` is the number of concurrent requests that can be + in progress; when this limit is reached additional requests will be + queued. Note that time spent waiting in this queue still counts + against the ``request_timeout``. + + ``hostname_mapping`` is a dictionary mapping hostnames to IP addresses. + It can be used to make local DNS changes when modifying system-wide + settings like ``/etc/hosts`` is not possible or desirable (e.g. in + unittests). + + ``max_buffer_size`` (default 100MB) is the number of bytes + that can be read into memory at once. ``max_body_size`` + (defaults to ``max_buffer_size``) is the largest response body + that the client will accept. Without a + ``streaming_callback``, the smaller of these two limits + applies; with a ``streaming_callback`` only ``max_body_size`` + does. + + .. versionchanged:: 4.2 + Added the ``max_body_size`` argument. + """ + super(SimpleAsyncHTTPClient, self).initialize(defaults=defaults) + self.max_clients = max_clients + self.queue = ( + collections.deque() + ) # type: Deque[Tuple[object, HTTPRequest, Callable[[HTTPResponse], None]]] + self.active = ( + {} + ) # type: Dict[object, Tuple[HTTPRequest, Callable[[HTTPResponse], None]]] + self.waiting = ( + {} + ) # type: Dict[object, Tuple[HTTPRequest, Callable[[HTTPResponse], None], object]] + self.max_buffer_size = max_buffer_size + self.max_header_size = max_header_size + self.max_body_size = max_body_size + # TCPClient could create a Resolver for us, but we have to do it + # ourselves to support hostname_mapping. + if resolver: + self.resolver = resolver + self.own_resolver = False + else: + self.resolver = Resolver() + self.own_resolver = True + if hostname_mapping is not None: + self.resolver = OverrideResolver( + resolver=self.resolver, mapping=hostname_mapping + ) + self.tcp_client = TCPClient(resolver=self.resolver) + + def close(self) -> None: + super(SimpleAsyncHTTPClient, self).close() + if self.own_resolver: + self.resolver.close() + self.tcp_client.close() + + def fetch_impl( + self, request: HTTPRequest, callback: Callable[[HTTPResponse], None] + ) -> None: + key = object() + self.queue.append((key, request, callback)) + if not len(self.active) < self.max_clients: + assert request.connect_timeout is not None + assert request.request_timeout is not None + timeout_handle = self.io_loop.add_timeout( + self.io_loop.time() + + min(request.connect_timeout, request.request_timeout), + functools.partial(self._on_timeout, key, "in request queue"), + ) + else: + timeout_handle = None + self.waiting[key] = (request, callback, timeout_handle) + self._process_queue() + if self.queue: + gen_log.debug( + "max_clients limit reached, request queued. " + "%d active, %d queued requests." % (len(self.active), len(self.queue)) + ) + + def _process_queue(self) -> None: + while self.queue and len(self.active) < self.max_clients: + key, request, callback = self.queue.popleft() + if key not in self.waiting: + continue + self._remove_timeout(key) + self.active[key] = (request, callback) + release_callback = functools.partial(self._release_fetch, key) + self._handle_request(request, release_callback, callback) + + def _connection_class(self) -> type: + return _HTTPConnection + + def _handle_request( + self, + request: HTTPRequest, + release_callback: Callable[[], None], + final_callback: Callable[[HTTPResponse], None], + ) -> None: + self._connection_class()( + self, + request, + release_callback, + final_callback, + self.max_buffer_size, + self.tcp_client, + self.max_header_size, + self.max_body_size, + ) + + def _release_fetch(self, key: object) -> None: + del self.active[key] + self._process_queue() + + def _remove_timeout(self, key: object) -> None: + if key in self.waiting: + request, callback, timeout_handle = self.waiting[key] + if timeout_handle is not None: + self.io_loop.remove_timeout(timeout_handle) + del self.waiting[key] + + def _on_timeout(self, key: object, info: str = None) -> None: + """Timeout callback of request. + + Construct a timeout HTTPResponse when a timeout occurs. + + :arg object key: A simple object to mark the request. + :info string key: More detailed timeout information. + """ + request, callback, timeout_handle = self.waiting[key] + self.queue.remove((key, request, callback)) + + error_message = "Timeout {0}".format(info) if info else "Timeout" + timeout_response = HTTPResponse( + request, + 599, + error=HTTPTimeoutError(error_message), + request_time=self.io_loop.time() - request.start_time, + ) + self.io_loop.add_callback(callback, timeout_response) + del self.waiting[key] + + +class _HTTPConnection(httputil.HTTPMessageDelegate): + _SUPPORTED_METHODS = set( + ["GET", "HEAD", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"] + ) + + def __init__( + self, + client: Optional[SimpleAsyncHTTPClient], + request: HTTPRequest, + release_callback: Callable[[], None], + final_callback: Callable[[HTTPResponse], None], + max_buffer_size: int, + tcp_client: TCPClient, + max_header_size: int, + max_body_size: int, + ) -> None: + self.io_loop = IOLoop.current() + self.start_time = self.io_loop.time() + self.start_wall_time = time.time() + self.client = client + self.request = request + self.release_callback = release_callback + self.final_callback = final_callback + self.max_buffer_size = max_buffer_size + self.tcp_client = tcp_client + self.max_header_size = max_header_size + self.max_body_size = max_body_size + self.code = None # type: Optional[int] + self.headers = None # type: Optional[httputil.HTTPHeaders] + self.chunks = [] # type: List[bytes] + self._decompressor = None + # Timeout handle returned by IOLoop.add_timeout + self._timeout = None # type: object + self._sockaddr = None + IOLoop.current().add_future( + gen.convert_yielded(self.run()), lambda f: f.result() + ) + + async def run(self) -> None: + try: + self.parsed = urllib.parse.urlsplit(_unicode(self.request.url)) + if self.parsed.scheme not in ("http", "https"): + raise ValueError("Unsupported url scheme: %s" % self.request.url) + # urlsplit results have hostname and port results, but they + # didn't support ipv6 literals until python 2.7. + netloc = self.parsed.netloc + if "@" in netloc: + userpass, _, netloc = netloc.rpartition("@") + host, port = httputil.split_host_and_port(netloc) + if port is None: + port = 443 if self.parsed.scheme == "https" else 80 + if re.match(r"^\[.*\]$", host): + # raw ipv6 addresses in urls are enclosed in brackets + host = host[1:-1] + self.parsed_hostname = host # save final host for _on_connect + + if self.request.allow_ipv6 is False: + af = socket.AF_INET + else: + af = socket.AF_UNSPEC + + ssl_options = self._get_ssl_options(self.parsed.scheme) + + source_ip = None + if self.request.network_interface: + if is_valid_ip(self.request.network_interface): + source_ip = self.request.network_interface + else: + raise ValueError( + "Unrecognized IPv4 or IPv6 address for network_interface, got %r" + % (self.request.network_interface,) + ) + + timeout = min(self.request.connect_timeout, self.request.request_timeout) + if timeout: + self._timeout = self.io_loop.add_timeout( + self.start_time + timeout, + functools.partial(self._on_timeout, "while connecting"), + ) + stream = await self.tcp_client.connect( + host, + port, + af=af, + ssl_options=ssl_options, + max_buffer_size=self.max_buffer_size, + source_ip=source_ip, + ) + + if self.final_callback is None: + # final_callback is cleared if we've hit our timeout. + stream.close() + return + self.stream = stream + self.stream.set_close_callback(self.on_connection_close) + self._remove_timeout() + if self.final_callback is None: + return + if self.request.request_timeout: + self._timeout = self.io_loop.add_timeout( + self.start_time + self.request.request_timeout, + functools.partial(self._on_timeout, "during request"), + ) + if ( + self.request.method not in self._SUPPORTED_METHODS + and not self.request.allow_nonstandard_methods + ): + raise KeyError("unknown method %s" % self.request.method) + for key in ( + "proxy_host", + "proxy_port", + "proxy_username", + "proxy_password", + "proxy_auth_mode", + ): + if getattr(self.request, key, None): + raise NotImplementedError("%s not supported" % key) + if "Connection" not in self.request.headers: + self.request.headers["Connection"] = "close" + if "Host" not in self.request.headers: + if "@" in self.parsed.netloc: + self.request.headers["Host"] = self.parsed.netloc.rpartition( + "@" + )[-1] + else: + self.request.headers["Host"] = self.parsed.netloc + username, password = None, None + if self.parsed.username is not None: + username, password = self.parsed.username, self.parsed.password + elif self.request.auth_username is not None: + username = self.request.auth_username + password = self.request.auth_password or "" + if username is not None: + assert password is not None + if self.request.auth_mode not in (None, "basic"): + raise ValueError( + "unsupported auth_mode %s", self.request.auth_mode + ) + self.request.headers["Authorization"] = "Basic " + _unicode( + base64.b64encode( + httputil.encode_username_password(username, password) + ) + ) + if self.request.user_agent: + self.request.headers["User-Agent"] = self.request.user_agent + if not self.request.allow_nonstandard_methods: + # Some HTTP methods nearly always have bodies while others + # almost never do. Fail in this case unless the user has + # opted out of sanity checks with allow_nonstandard_methods. + body_expected = self.request.method in ("POST", "PATCH", "PUT") + body_present = ( + self.request.body is not None + or self.request.body_producer is not None + ) + if (body_expected and not body_present) or ( + body_present and not body_expected + ): + raise ValueError( + "Body must %sbe None for method %s (unless " + "allow_nonstandard_methods is true)" + % ("not " if body_expected else "", self.request.method) + ) + if self.request.expect_100_continue: + self.request.headers["Expect"] = "100-continue" + if self.request.body is not None: + # When body_producer is used the caller is responsible for + # setting Content-Length (or else chunked encoding will be used). + self.request.headers["Content-Length"] = str(len(self.request.body)) + if ( + self.request.method == "POST" + and "Content-Type" not in self.request.headers + ): + self.request.headers[ + "Content-Type" + ] = "application/x-www-form-urlencoded" + if self.request.decompress_response: + self.request.headers["Accept-Encoding"] = "gzip" + req_path = (self.parsed.path or "/") + ( + ("?" + self.parsed.query) if self.parsed.query else "" + ) + self.connection = self._create_connection(stream) + start_line = httputil.RequestStartLine( + self.request.method, req_path, "" + ) + self.connection.write_headers(start_line, self.request.headers) + if self.request.expect_100_continue: + await self.connection.read_response(self) + else: + await self._write_body(True) + except Exception: + if not self._handle_exception(*sys.exc_info()): + raise + + def _get_ssl_options( + self, scheme: str + ) -> Union[None, Dict[str, Any], ssl.SSLContext]: + if scheme == "https": + if self.request.ssl_options is not None: + return self.request.ssl_options + # If we are using the defaults, don't construct a + # new SSLContext. + if ( + self.request.validate_cert + and self.request.ca_certs is None + and self.request.client_cert is None + and self.request.client_key is None + ): + return _client_ssl_defaults + ssl_ctx = ssl.create_default_context( + ssl.Purpose.SERVER_AUTH, cafile=self.request.ca_certs + ) + if not self.request.validate_cert: + ssl_ctx.check_hostname = False + ssl_ctx.verify_mode = ssl.CERT_NONE + if self.request.client_cert is not None: + ssl_ctx.load_cert_chain( + self.request.client_cert, self.request.client_key + ) + if hasattr(ssl, "OP_NO_COMPRESSION"): + # See netutil.ssl_options_to_context + ssl_ctx.options |= ssl.OP_NO_COMPRESSION + return ssl_ctx + return None + + def _on_timeout(self, info: str = None) -> None: + """Timeout callback of _HTTPConnection instance. + + Raise a `HTTPTimeoutError` when a timeout occurs. + + :info string key: More detailed timeout information. + """ + self._timeout = None + error_message = "Timeout {0}".format(info) if info else "Timeout" + if self.final_callback is not None: + self._handle_exception( + HTTPTimeoutError, HTTPTimeoutError(error_message), None + ) + + def _remove_timeout(self) -> None: + if self._timeout is not None: + self.io_loop.remove_timeout(self._timeout) + self._timeout = None + + def _create_connection(self, stream: IOStream) -> HTTP1Connection: + stream.set_nodelay(True) + connection = HTTP1Connection( + stream, + True, + HTTP1ConnectionParameters( + no_keep_alive=True, + max_header_size=self.max_header_size, + max_body_size=self.max_body_size, + decompress=bool(self.request.decompress_response), + ), + self._sockaddr, + ) + return connection + + async def _write_body(self, start_read: bool) -> None: + if self.request.body is not None: + self.connection.write(self.request.body) + elif self.request.body_producer is not None: + fut = self.request.body_producer(self.connection.write) + if fut is not None: + await fut + self.connection.finish() + if start_read: + try: + await self.connection.read_response(self) + except StreamClosedError: + if not self._handle_exception(*sys.exc_info()): + raise + + def _release(self) -> None: + if self.release_callback is not None: + release_callback = self.release_callback + self.release_callback = None # type: ignore + release_callback() + + def _run_callback(self, response: HTTPResponse) -> None: + self._release() + if self.final_callback is not None: + final_callback = self.final_callback + self.final_callback = None # type: ignore + self.io_loop.add_callback(final_callback, response) + + def _handle_exception( + self, + typ: "Optional[Type[BaseException]]", + value: Optional[BaseException], + tb: Optional[TracebackType], + ) -> bool: + if self.final_callback: + self._remove_timeout() + if isinstance(value, StreamClosedError): + if value.real_error is None: + value = HTTPStreamClosedError("Stream closed") + else: + value = value.real_error + self._run_callback( + HTTPResponse( + self.request, + 599, + error=value, + request_time=self.io_loop.time() - self.start_time, + start_time=self.start_wall_time, + ) + ) + + if hasattr(self, "stream"): + # TODO: this may cause a StreamClosedError to be raised + # by the connection's Future. Should we cancel the + # connection more gracefully? + self.stream.close() + return True + else: + # If our callback has already been called, we are probably + # catching an exception that is not caused by us but rather + # some child of our callback. Rather than drop it on the floor, + # pass it along, unless it's just the stream being closed. + return isinstance(value, StreamClosedError) + + def on_connection_close(self) -> None: + if self.final_callback is not None: + message = "Connection closed" + if self.stream.error: + raise self.stream.error + try: + raise HTTPStreamClosedError(message) + except HTTPStreamClosedError: + self._handle_exception(*sys.exc_info()) + + async def headers_received( + self, + first_line: Union[httputil.ResponseStartLine, httputil.RequestStartLine], + headers: httputil.HTTPHeaders, + ) -> None: + assert isinstance(first_line, httputil.ResponseStartLine) + if self.request.expect_100_continue and first_line.code == 100: + await self._write_body(False) + return + self.code = first_line.code + self.reason = first_line.reason + self.headers = headers + + if self._should_follow_redirect(): + return + + if self.request.header_callback is not None: + # Reassemble the start line. + self.request.header_callback("%s %s %s\r\n" % first_line) + for k, v in self.headers.get_all(): + self.request.header_callback("%s: %s\r\n" % (k, v)) + self.request.header_callback("\r\n") + + def _should_follow_redirect(self) -> bool: + if self.request.follow_redirects: + assert self.request.max_redirects is not None + return ( + self.code in (301, 302, 303, 307, 308) + and self.request.max_redirects > 0 + and self.headers is not None + and self.headers.get("Location") is not None + ) + return False + + def finish(self) -> None: + assert self.code is not None + data = b"".join(self.chunks) + self._remove_timeout() + original_request = getattr(self.request, "original_request", self.request) + if self._should_follow_redirect(): + assert isinstance(self.request, _RequestProxy) + new_request = copy.copy(self.request.request) + new_request.url = urllib.parse.urljoin( + self.request.url, self.headers["Location"] + ) + new_request.max_redirects = self.request.max_redirects - 1 + del new_request.headers["Host"] + # https://tools.ietf.org/html/rfc7231#section-6.4 + # + # The original HTTP spec said that after a 301 or 302 + # redirect, the request method should be preserved. + # However, browsers implemented this by changing the + # method to GET, and the behavior stuck. 303 redirects + # always specified this POST-to-GET behavior (arguably 303 + # redirects should change *all* requests to GET, but + # libcurl only does this for POST so we follow their + # example). + if self.code in (301, 302, 303) and self.request.method == "POST": + new_request.method = "GET" + new_request.body = None + for h in [ + "Content-Length", + "Content-Type", + "Content-Encoding", + "Transfer-Encoding", + ]: + try: + del self.request.headers[h] + except KeyError: + pass + new_request.original_request = original_request + final_callback = self.final_callback + self.final_callback = None + self._release() + fut = self.client.fetch(new_request, raise_error=False) + fut.add_done_callback(lambda f: final_callback(f.result())) + self._on_end_request() + return + if self.request.streaming_callback: + buffer = BytesIO() + else: + buffer = BytesIO(data) # TODO: don't require one big string? + response = HTTPResponse( + original_request, + self.code, + reason=getattr(self, "reason", None), + headers=self.headers, + request_time=self.io_loop.time() - self.start_time, + start_time=self.start_wall_time, + buffer=buffer, + effective_url=self.request.url, + ) + self._run_callback(response) + self._on_end_request() + + def _on_end_request(self) -> None: + self.stream.close() + + def data_received(self, chunk: bytes) -> None: + if self._should_follow_redirect(): + # We're going to follow a redirect so just discard the body. + return + if self.request.streaming_callback is not None: + self.request.streaming_callback(chunk) + else: + self.chunks.append(chunk) + + +if __name__ == "__main__": + AsyncHTTPClient.configure(SimpleAsyncHTTPClient) + main() diff --git a/venv/lib/python3.7/site-packages/tornado/tcpclient.py b/venv/lib/python3.7/site-packages/tornado/tcpclient.py new file mode 100644 index 0000000..9fe6971 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/tcpclient.py @@ -0,0 +1,334 @@ +# +# Copyright 2014 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""A non-blocking TCP connection factory. +""" + +import functools +import socket +import numbers +import datetime +import ssl + +from tornado.concurrent import Future, future_add_done_callback +from tornado.ioloop import IOLoop +from tornado.iostream import IOStream +from tornado import gen +from tornado.netutil import Resolver +from tornado.platform.auto import set_close_exec +from tornado.gen import TimeoutError + +import typing +from typing import Any, Union, Dict, Tuple, List, Callable, Iterator + +if typing.TYPE_CHECKING: + from typing import Optional, Set # noqa: F401 + +_INITIAL_CONNECT_TIMEOUT = 0.3 + + +class _Connector(object): + """A stateless implementation of the "Happy Eyeballs" algorithm. + + "Happy Eyeballs" is documented in RFC6555 as the recommended practice + for when both IPv4 and IPv6 addresses are available. + + In this implementation, we partition the addresses by family, and + make the first connection attempt to whichever address was + returned first by ``getaddrinfo``. If that connection fails or + times out, we begin a connection in parallel to the first address + of the other family. If there are additional failures we retry + with other addresses, keeping one connection attempt per family + in flight at a time. + + http://tools.ietf.org/html/rfc6555 + + """ + + def __init__( + self, + addrinfo: List[Tuple], + connect: Callable[ + [socket.AddressFamily, Tuple], Tuple[IOStream, "Future[IOStream]"] + ], + ) -> None: + self.io_loop = IOLoop.current() + self.connect = connect + + self.future = ( + Future() + ) # type: Future[Tuple[socket.AddressFamily, Any, IOStream]] + self.timeout = None # type: Optional[object] + self.connect_timeout = None # type: Optional[object] + self.last_error = None # type: Optional[Exception] + self.remaining = len(addrinfo) + self.primary_addrs, self.secondary_addrs = self.split(addrinfo) + self.streams = set() # type: Set[IOStream] + + @staticmethod + def split( + addrinfo: List[Tuple] + ) -> Tuple[ + List[Tuple[socket.AddressFamily, Tuple]], + List[Tuple[socket.AddressFamily, Tuple]], + ]: + """Partition the ``addrinfo`` list by address family. + + Returns two lists. The first list contains the first entry from + ``addrinfo`` and all others with the same family, and the + second list contains all other addresses (normally one list will + be AF_INET and the other AF_INET6, although non-standard resolvers + may return additional families). + """ + primary = [] + secondary = [] + primary_af = addrinfo[0][0] + for af, addr in addrinfo: + if af == primary_af: + primary.append((af, addr)) + else: + secondary.append((af, addr)) + return primary, secondary + + def start( + self, + timeout: float = _INITIAL_CONNECT_TIMEOUT, + connect_timeout: Union[float, datetime.timedelta] = None, + ) -> "Future[Tuple[socket.AddressFamily, Any, IOStream]]": + self.try_connect(iter(self.primary_addrs)) + self.set_timeout(timeout) + if connect_timeout is not None: + self.set_connect_timeout(connect_timeout) + return self.future + + def try_connect(self, addrs: Iterator[Tuple[socket.AddressFamily, Tuple]]) -> None: + try: + af, addr = next(addrs) + except StopIteration: + # We've reached the end of our queue, but the other queue + # might still be working. Send a final error on the future + # only when both queues are finished. + if self.remaining == 0 and not self.future.done(): + self.future.set_exception( + self.last_error or IOError("connection failed") + ) + return + stream, future = self.connect(af, addr) + self.streams.add(stream) + future_add_done_callback( + future, functools.partial(self.on_connect_done, addrs, af, addr) + ) + + def on_connect_done( + self, + addrs: Iterator[Tuple[socket.AddressFamily, Tuple]], + af: socket.AddressFamily, + addr: Tuple, + future: "Future[IOStream]", + ) -> None: + self.remaining -= 1 + try: + stream = future.result() + except Exception as e: + if self.future.done(): + return + # Error: try again (but remember what happened so we have an + # error to raise in the end) + self.last_error = e + self.try_connect(addrs) + if self.timeout is not None: + # If the first attempt failed, don't wait for the + # timeout to try an address from the secondary queue. + self.io_loop.remove_timeout(self.timeout) + self.on_timeout() + return + self.clear_timeouts() + if self.future.done(): + # This is a late arrival; just drop it. + stream.close() + else: + self.streams.discard(stream) + self.future.set_result((af, addr, stream)) + self.close_streams() + + def set_timeout(self, timeout: float) -> None: + self.timeout = self.io_loop.add_timeout( + self.io_loop.time() + timeout, self.on_timeout + ) + + def on_timeout(self) -> None: + self.timeout = None + if not self.future.done(): + self.try_connect(iter(self.secondary_addrs)) + + def clear_timeout(self) -> None: + if self.timeout is not None: + self.io_loop.remove_timeout(self.timeout) + + def set_connect_timeout( + self, connect_timeout: Union[float, datetime.timedelta] + ) -> None: + self.connect_timeout = self.io_loop.add_timeout( + connect_timeout, self.on_connect_timeout + ) + + def on_connect_timeout(self) -> None: + if not self.future.done(): + self.future.set_exception(TimeoutError()) + self.close_streams() + + def clear_timeouts(self) -> None: + if self.timeout is not None: + self.io_loop.remove_timeout(self.timeout) + if self.connect_timeout is not None: + self.io_loop.remove_timeout(self.connect_timeout) + + def close_streams(self) -> None: + for stream in self.streams: + stream.close() + + +class TCPClient(object): + """A non-blocking TCP connection factory. + + .. versionchanged:: 5.0 + The ``io_loop`` argument (deprecated since version 4.1) has been removed. + """ + + def __init__(self, resolver: Resolver = None) -> None: + if resolver is not None: + self.resolver = resolver + self._own_resolver = False + else: + self.resolver = Resolver() + self._own_resolver = True + + def close(self) -> None: + if self._own_resolver: + self.resolver.close() + + async def connect( + self, + host: str, + port: int, + af: socket.AddressFamily = socket.AF_UNSPEC, + ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None, + max_buffer_size: int = None, + source_ip: str = None, + source_port: int = None, + timeout: Union[float, datetime.timedelta] = None, + ) -> IOStream: + """Connect to the given host and port. + + Asynchronously returns an `.IOStream` (or `.SSLIOStream` if + ``ssl_options`` is not None). + + Using the ``source_ip`` kwarg, one can specify the source + IP address to use when establishing the connection. + In case the user needs to resolve and + use a specific interface, it has to be handled outside + of Tornado as this depends very much on the platform. + + Raises `TimeoutError` if the input future does not complete before + ``timeout``, which may be specified in any form allowed by + `.IOLoop.add_timeout` (i.e. a `datetime.timedelta` or an absolute time + relative to `.IOLoop.time`) + + Similarly, when the user requires a certain source port, it can + be specified using the ``source_port`` arg. + + .. versionchanged:: 4.5 + Added the ``source_ip`` and ``source_port`` arguments. + + .. versionchanged:: 5.0 + Added the ``timeout`` argument. + """ + if timeout is not None: + if isinstance(timeout, numbers.Real): + timeout = IOLoop.current().time() + timeout + elif isinstance(timeout, datetime.timedelta): + timeout = IOLoop.current().time() + timeout.total_seconds() + else: + raise TypeError("Unsupported timeout %r" % timeout) + if timeout is not None: + addrinfo = await gen.with_timeout( + timeout, self.resolver.resolve(host, port, af) + ) + else: + addrinfo = await self.resolver.resolve(host, port, af) + connector = _Connector( + addrinfo, + functools.partial( + self._create_stream, + max_buffer_size, + source_ip=source_ip, + source_port=source_port, + ), + ) + af, addr, stream = await connector.start(connect_timeout=timeout) + # TODO: For better performance we could cache the (af, addr) + # information here and re-use it on subsequent connections to + # the same host. (http://tools.ietf.org/html/rfc6555#section-4.2) + if ssl_options is not None: + if timeout is not None: + stream = await gen.with_timeout( + timeout, + stream.start_tls( + False, ssl_options=ssl_options, server_hostname=host + ), + ) + else: + stream = await stream.start_tls( + False, ssl_options=ssl_options, server_hostname=host + ) + return stream + + def _create_stream( + self, + max_buffer_size: int, + af: socket.AddressFamily, + addr: Tuple, + source_ip: str = None, + source_port: int = None, + ) -> Tuple[IOStream, "Future[IOStream]"]: + # Always connect in plaintext; we'll convert to ssl if necessary + # after one connection has completed. + source_port_bind = source_port if isinstance(source_port, int) else 0 + source_ip_bind = source_ip + if source_port_bind and not source_ip: + # User required a specific port, but did not specify + # a certain source IP, will bind to the default loopback. + source_ip_bind = "::1" if af == socket.AF_INET6 else "127.0.0.1" + # Trying to use the same address family as the requested af socket: + # - 127.0.0.1 for IPv4 + # - ::1 for IPv6 + socket_obj = socket.socket(af) + set_close_exec(socket_obj.fileno()) + if source_port_bind or source_ip_bind: + # If the user requires binding also to a specific IP/port. + try: + socket_obj.bind((source_ip_bind, source_port_bind)) + except socket.error: + socket_obj.close() + # Fail loudly if unable to use the IP/port. + raise + try: + stream = IOStream(socket_obj, max_buffer_size=max_buffer_size) + except socket.error as e: + fu = Future() # type: Future[IOStream] + fu.set_exception(e) + return stream, fu + else: + return stream, stream.connect(addr) diff --git a/venv/lib/python3.7/site-packages/tornado/tcpserver.py b/venv/lib/python3.7/site-packages/tornado/tcpserver.py new file mode 100644 index 0000000..eaf08b2 --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/tcpserver.py @@ -0,0 +1,330 @@ +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""A non-blocking, single-threaded TCP server.""" + +import errno +import os +import socket +import ssl + +from tornado import gen +from tornado.log import app_log +from tornado.ioloop import IOLoop +from tornado.iostream import IOStream, SSLIOStream +from tornado.netutil import bind_sockets, add_accept_handler, ssl_wrap_socket +from tornado import process +from tornado.util import errno_from_exception + +import typing +from typing import Union, Dict, Any, Iterable, Optional, Awaitable + +if typing.TYPE_CHECKING: + from typing import Callable, List # noqa: F401 + + +class TCPServer(object): + r"""A non-blocking, single-threaded TCP server. + + To use `TCPServer`, define a subclass which overrides the `handle_stream` + method. For example, a simple echo server could be defined like this:: + + from tornado.tcpserver import TCPServer + from tornado.iostream import StreamClosedError + from tornado import gen + + class EchoServer(TCPServer): + async def handle_stream(self, stream, address): + while True: + try: + data = await stream.read_until(b"\n") + await stream.write(data) + except StreamClosedError: + break + + To make this server serve SSL traffic, send the ``ssl_options`` keyword + argument with an `ssl.SSLContext` object. For compatibility with older + versions of Python ``ssl_options`` may also be a dictionary of keyword + arguments for the `ssl.wrap_socket` method.:: + + ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) + ssl_ctx.load_cert_chain(os.path.join(data_dir, "mydomain.crt"), + os.path.join(data_dir, "mydomain.key")) + TCPServer(ssl_options=ssl_ctx) + + `TCPServer` initialization follows one of three patterns: + + 1. `listen`: simple single-process:: + + server = TCPServer() + server.listen(8888) + IOLoop.current().start() + + 2. `bind`/`start`: simple multi-process:: + + server = TCPServer() + server.bind(8888) + server.start(0) # Forks multiple sub-processes + IOLoop.current().start() + + When using this interface, an `.IOLoop` must *not* be passed + to the `TCPServer` constructor. `start` will always start + the server on the default singleton `.IOLoop`. + + 3. `add_sockets`: advanced multi-process:: + + sockets = bind_sockets(8888) + tornado.process.fork_processes(0) + server = TCPServer() + server.add_sockets(sockets) + IOLoop.current().start() + + The `add_sockets` interface is more complicated, but it can be + used with `tornado.process.fork_processes` to give you more + flexibility in when the fork happens. `add_sockets` can + also be used in single-process servers if you want to create + your listening sockets in some way other than + `~tornado.netutil.bind_sockets`. + + .. versionadded:: 3.1 + The ``max_buffer_size`` argument. + + .. versionchanged:: 5.0 + The ``io_loop`` argument has been removed. + """ + + def __init__( + self, + ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None, + max_buffer_size: int = None, + read_chunk_size: int = None, + ) -> None: + self.ssl_options = ssl_options + self._sockets = {} # type: Dict[int, socket.socket] + self._handlers = {} # type: Dict[int, Callable[[], None]] + self._pending_sockets = [] # type: List[socket.socket] + self._started = False + self._stopped = False + self.max_buffer_size = max_buffer_size + self.read_chunk_size = read_chunk_size + + # Verify the SSL options. Otherwise we don't get errors until clients + # connect. This doesn't verify that the keys are legitimate, but + # the SSL module doesn't do that until there is a connected socket + # which seems like too much work + if self.ssl_options is not None and isinstance(self.ssl_options, dict): + # Only certfile is required: it can contain both keys + if "certfile" not in self.ssl_options: + raise KeyError('missing key "certfile" in ssl_options') + + if not os.path.exists(self.ssl_options["certfile"]): + raise ValueError( + 'certfile "%s" does not exist' % self.ssl_options["certfile"] + ) + if "keyfile" in self.ssl_options and not os.path.exists( + self.ssl_options["keyfile"] + ): + raise ValueError( + 'keyfile "%s" does not exist' % self.ssl_options["keyfile"] + ) + + def listen(self, port: int, address: str = "") -> None: + """Starts accepting connections on the given port. + + This method may be called more than once to listen on multiple ports. + `listen` takes effect immediately; it is not necessary to call + `TCPServer.start` afterwards. It is, however, necessary to start + the `.IOLoop`. + """ + sockets = bind_sockets(port, address=address) + self.add_sockets(sockets) + + def add_sockets(self, sockets: Iterable[socket.socket]) -> None: + """Makes this server start accepting connections on the given sockets. + + The ``sockets`` parameter is a list of socket objects such as + those returned by `~tornado.netutil.bind_sockets`. + `add_sockets` is typically used in combination with that + method and `tornado.process.fork_processes` to provide greater + control over the initialization of a multi-process server. + """ + for sock in sockets: + self._sockets[sock.fileno()] = sock + self._handlers[sock.fileno()] = add_accept_handler( + sock, self._handle_connection + ) + + def add_socket(self, socket: socket.socket) -> None: + """Singular version of `add_sockets`. Takes a single socket object.""" + self.add_sockets([socket]) + + def bind( + self, + port: int, + address: str = None, + family: socket.AddressFamily = socket.AF_UNSPEC, + backlog: int = 128, + reuse_port: bool = False, + ) -> None: + """Binds this server to the given port on the given address. + + To start the server, call `start`. If you want to run this server + in a single process, you can call `listen` as a shortcut to the + sequence of `bind` and `start` calls. + + Address may be either an IP address or hostname. If it's a hostname, + the server will listen on all IP addresses associated with the + name. Address may be an empty string or None to listen on all + available interfaces. Family may be set to either `socket.AF_INET` + or `socket.AF_INET6` to restrict to IPv4 or IPv6 addresses, otherwise + both will be used if available. + + The ``backlog`` argument has the same meaning as for + `socket.listen <socket.socket.listen>`. The ``reuse_port`` argument + has the same meaning as for `.bind_sockets`. + + This method may be called multiple times prior to `start` to listen + on multiple ports or interfaces. + + .. versionchanged:: 4.4 + Added the ``reuse_port`` argument. + """ + sockets = bind_sockets( + port, address=address, family=family, backlog=backlog, reuse_port=reuse_port + ) + if self._started: + self.add_sockets(sockets) + else: + self._pending_sockets.extend(sockets) + + def start(self, num_processes: Optional[int] = 1, max_restarts: int = None) -> None: + """Starts this server in the `.IOLoop`. + + By default, we run the server in this process and do not fork any + additional child process. + + If num_processes is ``None`` or <= 0, we detect the number of cores + available on this machine and fork that number of child + processes. If num_processes is given and > 1, we fork that + specific number of sub-processes. + + Since we use processes and not threads, there is no shared memory + between any server code. + + Note that multiple processes are not compatible with the autoreload + module (or the ``autoreload=True`` option to `tornado.web.Application` + which defaults to True when ``debug=True``). + When using multiple processes, no IOLoops can be created or + referenced until after the call to ``TCPServer.start(n)``. + + The ``max_restarts`` argument is passed to `.fork_processes`. + + .. versionchanged:: 6.0 + + Added ``max_restarts`` argument. + """ + assert not self._started + self._started = True + if num_processes != 1: + process.fork_processes(num_processes, max_restarts) + sockets = self._pending_sockets + self._pending_sockets = [] + self.add_sockets(sockets) + + def stop(self) -> None: + """Stops listening for new connections. + + Requests currently in progress may still continue after the + server is stopped. + """ + if self._stopped: + return + self._stopped = True + for fd, sock in self._sockets.items(): + assert sock.fileno() == fd + # Unregister socket from IOLoop + self._handlers.pop(fd)() + sock.close() + + def handle_stream( + self, stream: IOStream, address: tuple + ) -> Optional[Awaitable[None]]: + """Override to handle a new `.IOStream` from an incoming connection. + + This method may be a coroutine; if so any exceptions it raises + asynchronously will be logged. Accepting of incoming connections + will not be blocked by this coroutine. + + If this `TCPServer` is configured for SSL, ``handle_stream`` + may be called before the SSL handshake has completed. Use + `.SSLIOStream.wait_for_handshake` if you need to verify the client's + certificate or use NPN/ALPN. + + .. versionchanged:: 4.2 + Added the option for this method to be a coroutine. + """ + raise NotImplementedError() + + def _handle_connection(self, connection: socket.socket, address: Any) -> None: + if self.ssl_options is not None: + assert ssl, "Python 2.6+ and OpenSSL required for SSL" + try: + connection = ssl_wrap_socket( + connection, + self.ssl_options, + server_side=True, + do_handshake_on_connect=False, + ) + except ssl.SSLError as err: + if err.args[0] == ssl.SSL_ERROR_EOF: + return connection.close() + else: + raise + except socket.error as err: + # If the connection is closed immediately after it is created + # (as in a port scan), we can get one of several errors. + # wrap_socket makes an internal call to getpeername, + # which may return either EINVAL (Mac OS X) or ENOTCONN + # (Linux). If it returns ENOTCONN, this error is + # silently swallowed by the ssl module, so we need to + # catch another error later on (AttributeError in + # SSLIOStream._do_ssl_handshake). + # To test this behavior, try nmap with the -sT flag. + # https://github.com/tornadoweb/tornado/pull/750 + if errno_from_exception(err) in (errno.ECONNABORTED, errno.EINVAL): + return connection.close() + else: + raise + try: + if self.ssl_options is not None: + stream = SSLIOStream( + connection, + max_buffer_size=self.max_buffer_size, + read_chunk_size=self.read_chunk_size, + ) # type: IOStream + else: + stream = IOStream( + connection, + max_buffer_size=self.max_buffer_size, + read_chunk_size=self.read_chunk_size, + ) + + future = self.handle_stream(stream, address) + if future is not None: + IOLoop.current().add_future( + gen.convert_yielded(future), lambda f: f.result() + ) + except Exception: + app_log.error("Error in connection callback", exc_info=True) diff --git a/venv/lib/python3.7/site-packages/tornado/template.py b/venv/lib/python3.7/site-packages/tornado/template.py new file mode 100644 index 0000000..1433dfa --- /dev/null +++ b/venv/lib/python3.7/site-packages/tornado/template.py @@ -0,0 +1,1043 @@ +# +# Copyright 2009 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""A simple template system that compiles templates to Python code. + +Basic usage looks like:: + + t = template.Template("<html>{{ myvalue }}</html>") + print(t.generate(myvalue="XXX")) + +`Loader` is a class that loads templates from a root directory and caches +the compiled templates:: + + loader = template.Loader("/home/btaylor") + print(loader.load("test.html").generate(myvalue="XXX")) + +We compile all templates to raw Python. Error-reporting is currently... uh, +interesting. Syntax for the templates:: + + ### base.html + <html> + <head> + <title>{% block title %}Default title{% end %} + + +
    + {% for student in students %} + {% block student %} +
  • {{ escape(student.name) }}
    • + {% end %} + {% end %} +
+ + + + ### bold.html + {% extends "base.html" %} + + {% block title %}A bolder title{% end %} + + {% block student %} +
  • {{ escape(student.name) }}
    • + {% end %} + +Unlike most other template systems, we do not put any restrictions on the +expressions you can include in your statements. ``if`` and ``for`` blocks get +translated exactly into Python, so you can do complex expressions like:: + + {% for student in [p for p in people if p.student and p.age > 23] %} +
  • {{ escape(student.name) }}
    • + {% end %} + +Translating directly to Python means you can apply functions to expressions +easily, like the ``escape()`` function in the examples above. You can pass +functions in to your template just like any other variable +(In a `.RequestHandler`, override `.RequestHandler.get_template_namespace`):: + + ### Python code + def add(x, y): + return x + y + template.execute(add=add) + + ### The template + {{ add(1, 2) }} + +We provide the functions `escape() <.xhtml_escape>`, `.url_escape()`, +`.json_encode()`, and `.squeeze()` to all templates by default. + +Typical applications do not create `Template` or `Loader` instances by +hand, but instead use the `~.RequestHandler.render` and +`~.RequestHandler.render_string` methods of +`tornado.web.RequestHandler`, which load templates automatically based +on the ``template_path`` `.Application` setting. + +Variable names beginning with ``_tt_`` are reserved by the template +system and should not be used by application code. + +Syntax Reference +---------------- + +Template expressions are surrounded by double curly braces: ``{{ ... }}``. +The contents may be any python expression, which will be escaped according +to the current autoescape setting and inserted into the output. Other +template directives use ``{% %}``. + +To comment out a section so that it is omitted from the output, surround it +with ``{# ... #}``. + +These tags may be escaped as ``{{!``, ``{%!``, and ``{#!`` +if you need to include a literal ``{{``, ``{%``, or ``{#`` in the output. + + +``{% apply *function* %}...{% end %}`` + Applies a function to the output of all template code between ``apply`` + and ``end``:: + + {% apply linkify %}{{name}} said: {{message}}{% end %} + + Note that as an implementation detail apply blocks are implemented + as nested functions and thus may interact strangely with variables + set via ``{% set %}``, or the use of ``{% break %}`` or ``{% continue %}`` + within loops. + +``{% autoescape *function* %}`` + Sets the autoescape mode for the current file. This does not affect + other files, even those referenced by ``{% include %}``. Note that + autoescaping can also be configured globally, at the `.Application` + or `Loader`.:: + + {% autoescape xhtml_escape %} + {% autoescape None %} + +``{% block *name* %}...{% end %}`` + Indicates a named, replaceable block for use with ``{% extends %}``. + Blocks in the parent template will be replaced with the contents of + the same-named block in a child template.:: + + + {% block title %}Default title{% end %} + + + {% extends "base.html" %} + {% block title %}My page title{% end %} + +``{% comment ... %}`` + A comment which will be removed from the template output. Note that + there is no ``{% end %}`` tag; the comment goes from the word ``comment`` + to the closing ``%}`` tag. + +``{% extends *filename* %}`` + Inherit from another template. Templates that use ``extends`` should + contain one or more ``block`` tags to replace content from the parent + template. Anything in the child template not contained in a ``block`` + tag will be ignored. For an example, see the ``{% block %}`` tag. + +``{% for *var* in *expr* %}...{% end %}`` + Same as the python ``for`` statement. ``{% break %}`` and + ``{% continue %}`` may be used inside the loop. + +``{% from *x* import *y* %}`` + Same as the python ``import`` statement. + +``{% if *condition* %}...{% elif *condition* %}...{% else %}...{% end %}`` + Conditional statement - outputs the first section whose condition is + true. (The ``elif`` and ``else`` sections are optional) + +``{% import *module* %}`` + Same as the python ``import`` statement. + +``{% include *filename* %}`` + Includes another template file. The included file can see all the local + variables as if it were copied directly to the point of the ``include`` + directive (the ``{% autoescape %}`` directive is an exception). + Alternately, ``{% module Template(filename, **kwargs) %}`` may be used + to include another template with an isolated namespace. + +``{% module *expr* %}`` + Renders a `~tornado.web.UIModule`. The output of the ``UIModule`` is + not escaped:: + + {% module Template("foo.html", arg=42) %} + + ``UIModules`` are a feature of the `tornado.web.RequestHandler` + class (and specifically its ``render`` method) and will not work + when the template system is used on its own in other contexts. + +``{% raw *expr* %}`` + Outputs the result of the given expression without autoescaping. + +``{% set *x* = *y* %}`` + Sets a local variable. + +``{% try %}...{% except %}...{% else %}...{% finally %}...{% end %}`` + Same as the python ``try`` statement. + +``{% while *condition* %}... {% end %}`` + Same as the python ``while`` statement. ``{% break %}`` and + ``{% continue %}`` may be used inside the loop. + +``{% whitespace *mode* %}`` + Sets the whitespace mode for the remainder of the current file + (or until the next ``{% whitespace %}`` directive). See + `filter_whitespace` for available options. New in Tornado 4.3. +""" + +import datetime +from io import StringIO +import linecache +import os.path +import posixpath +import re +import threading + +from tornado import escape +from tornado.log import app_log +from tornado.util import ObjectDict, exec_in, unicode_type + +from typing import Any, Union, Callable, List, Dict, Iterable, Optional, TextIO +import typing + +if typing.TYPE_CHECKING: + from typing import Tuple, ContextManager # noqa: F401 + +_DEFAULT_AUTOESCAPE = "xhtml_escape" + + +class _UnsetMarker: + pass + + +_UNSET = _UnsetMarker() + + +def filter_whitespace(mode: str, text: str) -> str: + """Transform whitespace in ``text`` according to ``mode``. + + Available modes are: + + * ``all``: Return all whitespace unmodified. + * ``single``: Collapse consecutive whitespace with a single whitespace + character, preserving newlines. + * ``oneline``: Collapse all runs of whitespace into a single space + character, removing all newlines in the process. + + .. versionadded:: 4.3 + """ + if mode == "all": + return text + elif mode == "single": + text = re.sub(r"([\t ]+)", " ", text) + text = re.sub(r"(\s*\n\s*)", "\n", text) + return text + elif mode == "oneline": + return re.sub(r"(\s+)", " ", text) + else: + raise Exception("invalid whitespace mode %s" % mode) + + +class Template(object): + """A compiled template. + + We compile into Python from the given template_string. You can generate + the template from variables with generate(). + """ + + # note that the constructor's signature is not extracted with + # autodoc because _UNSET looks like garbage. When changing + # this signature update website/sphinx/template.rst too. + def __init__( + self, + template_string: Union[str, bytes], + name: str = "", + loader: "BaseLoader" = None, + compress_whitespace: Union[bool, _UnsetMarker] = _UNSET, + autoescape: Union[str, _UnsetMarker] = _UNSET, + whitespace: str = None, + ) -> None: + """Construct a Template. + + :arg str template_string: the contents of the template file. + :arg str name: the filename from which the template was loaded + (used for error message). + :arg tornado.template.BaseLoader loader: the `~tornado.template.BaseLoader` responsible + for this template, used to resolve ``{% include %}`` and ``{% extend %}`` directives. + :arg bool compress_whitespace: Deprecated since Tornado 4.3. + Equivalent to ``whitespace="single"`` if true and + ``whitespace="all"`` if false. + :arg str autoescape: The name of a function in the template + namespace, or ``None`` to disable escaping by default. + :arg str whitespace: A string specifying treatment of whitespace; + see `filter_whitespace` for options. + + .. versionchanged:: 4.3 + Added ``whitespace`` parameter; deprecated ``compress_whitespace``. + """ + self.name = escape.native_str(name) + + if compress_whitespace is not _UNSET: + # Convert deprecated compress_whitespace (bool) to whitespace (str). + if whitespace is not None: + raise Exception("cannot set both whitespace and compress_whitespace") + whitespace = "single" if compress_whitespace else "all" + if whitespace is None: + if loader and loader.whitespace: + whitespace = loader.whitespace + else: + # Whitespace defaults by filename. + if name.endswith(".html") or name.endswith(".js"): + whitespace = "single" + else: + whitespace = "all" + # Validate the whitespace setting. + assert whitespace is not None + filter_whitespace(whitespace, "") + + if not isinstance(autoescape, _UnsetMarker): + self.autoescape = autoescape # type: Optional[str] + elif loader: + self.autoescape = loader.autoescape + else: + self.autoescape = _DEFAULT_AUTOESCAPE + + self.namespace = loader.namespace if loader else {} + reader = _TemplateReader(name, escape.native_str(template_string), whitespace) + self.file = _File(self, _parse(reader, self)) + self.code = self._generate_python(loader) + self.loader = loader + try: + # Under python2.5, the fake filename used here must match + # the module name used in __name__ below. + # The dont_inherit flag prevents template.py's future imports + # from being applied to the generated code. + self.compiled = compile( + escape.to_unicode(self.code), + "%s.generated.py" % self.name.replace(".", "_"), + "exec", + dont_inherit=True, + ) + except Exception: + formatted_code = _format_code(self.code).rstrip() + app_log.error("%s code:\n%s", self.name, formatted_code) + raise + + def generate(self, **kwargs: Any) -> bytes: + """Generate this template with the given arguments.""" + namespace = { + "escape": escape.xhtml_escape, + "xhtml_escape": escape.xhtml_escape, + "url_escape": escape.url_escape, + "json_encode": escape.json_encode, + "squeeze": escape.squeeze, + "linkify": escape.linkify, + "datetime": datetime, + "_tt_utf8": escape.utf8, # for internal use + "_tt_string_types": (unicode_type, bytes), + # __name__ and __loader__ allow the traceback mechanism to find + # the generated source code. + "__name__": self.name.replace(".", "_"), + "__loader__": ObjectDict(get_source=lambda name: self.code), + } + namespace.update(self.namespace) + namespace.update(kwargs) + exec_in(self.compiled, namespace) + execute = typing.cast(Callable[[], bytes], namespace["_tt_execute"]) + # Clear the traceback module's cache of source data now that + # we've generated a new template (mainly for this module's + # unittests, where different tests reuse the same name). + linecache.clearcache() + return execute() + + def _generate_python(self, loader: Optional["BaseLoader"]) -> str: + buffer = StringIO() + try: + # named_blocks maps from names to _NamedBlock objects + named_blocks = {} # type: Dict[str, _NamedBlock] + ancestors = self._get_ancestors(loader) + ancestors.reverse() + for ancestor in ancestors: + ancestor.find_named_blocks(loader, named_blocks) + writer = _CodeWriter(buffer, named_blocks, loader, ancestors[0].template) + ancestors[0].generate(writer) + return buffer.getvalue() + finally: + buffer.close() + + def _get_ancestors(self, loader: Optional["BaseLoader"]) -> List["_File"]: + ancestors = [self.file] + for chunk in self.file.body.chunks: + if isinstance(chunk, _ExtendsBlock): + if not loader: + raise ParseError( + "{% extends %} block found, but no " "template loader" + ) + template = loader.load(chunk.name, self.name) + ancestors.extend(template._get_ancestors(loader)) + return ancestors + + +class BaseLoader(object): + """Base class for template loaders. + + You must use a template loader to use template constructs like + ``{% extends %}`` and ``{% include %}``. The loader caches all + templates after they are loaded the first time. + """ + + def __init__( + self, + autoescape: str = _DEFAULT_AUTOESCAPE, + namespace: Dict[str, Any] = None, + whitespace: str = None, + ) -> None: + """Construct a template loader. + + :arg str autoescape: The name of a function in the template + namespace, such as "xhtml_escape", or ``None`` to disable + autoescaping by default. + :arg dict namespace: A dictionary to be added to the default template + namespace, or ``None``. + :arg str whitespace: A string specifying default behavior for + whitespace in templates; see `filter_whitespace` for options. + Default is "single" for files ending in ".html" and ".js" and + "all" for other files. + + .. versionchanged:: 4.3 + Added ``whitespace`` parameter. + """ + self.autoescape = autoescape + self.namespace = namespace or {} + self.whitespace = whitespace + self.templates = {} # type: Dict[str, Template] + # self.lock protects self.templates. It's a reentrant lock + # because templates may load other templates via `include` or + # `extends`. Note that thanks to the GIL this code would be safe + # even without the lock, but could lead to wasted work as multiple + # threads tried to compile the same template simultaneously. + self.lock = threading.RLock() + + def reset(self) -> None: + """Resets the cache of compiled templates.""" + with self.lock: + self.templates = {} + + def resolve_path(self, name: str, parent_path: str = None) -> str: + """Converts a possibly-relative path to absolute (used internally).""" + raise NotImplementedError() + + def load(self, name: str, parent_path: str = None) -> Template: + """Loads a template.""" + name = self.resolve_path(name, parent_path=parent_path) + with self.lock: + if name not in self.templates: + self.templates[name] = self._create_template(name) + return self.templates[name] + + def _create_template(self, name: str) -> Template: + raise NotImplementedError() + + +class Loader(BaseLoader): + """A template loader that loads from a single root directory. + """ + + def __init__(self, root_directory: str, **kwargs: Any) -> None: + super(Loader, self).__init__(**kwargs) + self.root = os.path.abspath(root_directory) + + def resolve_path(self, name: str, parent_path: str = None) -> str: + if ( + parent_path + and not parent_path.startswith("<") + and not parent_path.startswith("/") + and not name.startswith("/") + ): + current_path = os.path.join(self.root, parent_path) + file_dir = os.path.dirname(os.path.abspath(current_path)) + relative_path = os.path.abspath(os.path.join(file_dir, name)) + if relative_path.startswith(self.root): + name = relative_path[len(self.root) + 1 :] + return name + + def _create_template(self, name: str) -> Template: + path = os.path.join(self.root, name) + with open(path, "rb") as f: + template = Template(f.read(), name=name, loader=self) + return template + + +class DictLoader(BaseLoader): + """A template loader that loads from a dictionary.""" + + def __init__(self, dict: Dict[str, str], **kwargs: Any) -> None: + super(DictLoader, self).__init__(**kwargs) + self.dict = dict + + def resolve_path(self, name: str, parent_path: str = None) -> str: + if ( + parent_path + and not parent_path.startswith("<") + and not parent_path.startswith("/") + and not name.startswith("/") + ): + file_dir = posixpath.dirname(parent_path) + name = posixpath.normpath(posixpath.join(file_dir, name)) + return name + + def _create_template(self, name: str) -> Template: + return Template(self.dict[name], name=name, loader=self) + + +class _Node(object): + def each_child(self) -> Iterable["_Node"]: + return () + + def generate(self, writer: "_CodeWriter") -> None: + raise NotImplementedError() + + def find_named_blocks( + self, loader: Optional[BaseLoader], named_blocks: Dict[str, "_NamedBlock"] + ) -> None: + for child in self.each_child(): + child.find_named_blocks(loader, named_blocks) + + +class _File(_Node): + def __init__(self, template: Template, body: "_ChunkList") -> None: + self.template = template + self.body = body + self.line = 0 + + def generate(self, writer: "_CodeWriter") -> None: + writer.write_line("def _tt_execute():", self.line) + with writer.indent(): + writer.write_line("_tt_buffer = []", self.line) + writer.write_line("_tt_append = _tt_buffer.append", self.line) + self.body.generate(writer) + writer.write_line("return _tt_utf8('').join(_tt_buffer)", self.line) + + def each_child(self) -> Iterable["_Node"]: + return (self.body,) + + +class _ChunkList(_Node): + def __init__(self, chunks: List[_Node]) -> None: + self.chunks = chunks + + def generate(self, writer: "_CodeWriter") -> None: + for chunk in self.chunks: + chunk.generate(writer) + + def each_child(self) -> Iterable["_Node"]: + return self.chunks + + +class _NamedBlock(_Node): + def __init__(self, name: str, body: _Node, template: Template, line: int) -> None: + self.name = name + self.body = body + self.template = template + self.line = line + + def each_child(self) -> Iterable["_Node"]: + return (self.body,) + + def generate(self, writer: "_CodeWriter") -> None: + block = writer.named_blocks[self.name] + with writer.include(block.template, self.line): + block.body.generate(writer) + + def find_named_blocks( + self, loader: Optional[BaseLoader], named_blocks: Dict[str, "_NamedBlock"] + ) -> None: + named_blocks[self.name] = self + _Node.find_named_blocks(self, loader, named_blocks) + + +class _ExtendsBlock(_Node): + def __init__(self, name: str) -> None: + self.name = name + + +class _IncludeBlock(_Node): + def __init__(self, name: str, reader: "_TemplateReader", line: int) -> None: + self.name = name + self.template_name = reader.name + self.line = line + + def find_named_blocks( + self, loader: Optional[BaseLoader], named_blocks: Dict[str, _NamedBlock] + ) -> None: + assert loader is not None + included = loader.load(self.name, self.template_name) + included.file.find_named_blocks(loader, named_blocks) + + def generate(self, writer: "_CodeWriter") -> None: + assert writer.loader is not None + included = writer.loader.load(self.name, self.template_name) + with writer.include(included, self.line): + included.file.body.generate(writer) + + +class _ApplyBlock(_Node): + def __init__(self, method: str, line: int, body: _Node) -> None: + self.method = method + self.line = line + self.body = body + + def each_child(self) -> Iterable["_Node"]: + return (self.body,) + + def generate(self, writer: "_CodeWriter") -> None: + method_name = "_tt_apply%d" % writer.apply_counter + writer.apply_counter += 1 + writer.write_line("def %s():" % method_name, self.line) + with writer.indent(): + writer.write_line("_tt_buffer = []", self.line) + writer.write_line("_tt_append = _tt_buffer.append", self.line) + self.body.generate(writer) + writer.write_line("return _tt_utf8('').join(_tt_buffer)", self.line) + writer.write_line( + "_tt_append(_tt_utf8(%s(%s())))" % (self.method, method_name), self.line + ) + + +class _ControlBlock(_Node): + def __init__(self, statement: str, line: int, body: _Node) -> None: + self.statement = statement + self.line = line + self.body = body + + def each_child(self) -> Iterable[_Node]: + return (self.body,) + + def generate(self, writer: "_CodeWriter") -> None: + writer.write_line("%s:" % self.statement, self.line) + with writer.indent(): + self.body.generate(writer) + # Just in case the body was empty + writer.write_line("pass", self.line) + + +class _IntermediateControlBlock(_Node): + def __init__(self, statement: str, line: int) -> None: + self.statement = statement + self.line = line + + def generate(self, writer: "_CodeWriter") -> None: + # In case the previous block was empty + writer.write_line("pass", self.line) + writer.write_line("%s:" % self.statement, self.line, writer.indent_size() - 1) + + +class _Statement(_Node): + def __init__(self, statement: str, line: int) -> None: + self.statement = statement + self.line = line + + def generate(self, writer: "_CodeWriter") -> None: + writer.write_line(self.statement, self.line) + + +class _Expression(_Node): + def __init__(self, expression: str, line: int, raw: bool = False) -> None: + self.expression = expression + self.line = line + self.raw = raw + + def generate(self, writer: "_CodeWriter") -> None: + writer.write_line("_tt_tmp = %s" % self.expression, self.line) + writer.write_line( + "if isinstance(_tt_tmp, _tt_string_types):" " _tt_tmp = _tt_utf8(_tt_tmp)", + self.line, + ) + writer.write_line("else: _tt_tmp = _tt_utf8(str(_tt_tmp))", self.line) + if not self.raw and writer.current_template.autoescape is not None: + # In python3 functions like xhtml_escape return unicode, + # so we have to convert to utf8 again. + writer.write_line( + "_tt_tmp = _tt_utf8(%s(_tt_tmp))" % writer.current_template.autoescape, + self.line, + ) + writer.write_line("_tt_append(_tt_tmp)", self.line) + + +class _Module(_Expression): + def __init__(self, expression: str, line: int) -> None: + super(_Module, self).__init__("_tt_modules." + expression, line, raw=True) + + +class _Text(_Node): + def __init__(self, value: str, line: int, whitespace: str) -> None: + self.value = value + self.line = line + self.whitespace = whitespace + + def generate(self, writer: "_CodeWriter") -> None: + value = self.value + + # Compress whitespace if requested, with a crude heuristic to avoid + # altering preformatted whitespace. + if "
    " not in value:
+            value = filter_whitespace(self.whitespace, value)
+
+        if value:
+            writer.write_line("_tt_append(%r)" % escape.utf8(value), self.line)
+
+
+class ParseError(Exception):
+    """Raised for template syntax errors.
+
+    ``ParseError`` instances have ``filename`` and ``lineno`` attributes
+    indicating the position of the error.
+
+    .. versionchanged:: 4.3
+       Added ``filename`` and ``lineno`` attributes.
+    """
+
+    def __init__(self, message: str, filename: str = None, lineno: int = 0) -> None:
+        self.message = message
+        # The names "filename" and "lineno" are chosen for consistency
+        # with python SyntaxError.
+        self.filename = filename
+        self.lineno = lineno
+
+    def __str__(self) -> str:
+        return "%s at %s:%d" % (self.message, self.filename, self.lineno)
+
+
+class _CodeWriter(object):
+    def __init__(
+        self,
+        file: TextIO,
+        named_blocks: Dict[str, _NamedBlock],
+        loader: Optional[BaseLoader],
+        current_template: Template,
+    ) -> None:
+        self.file = file
+        self.named_blocks = named_blocks
+        self.loader = loader
+        self.current_template = current_template
+        self.apply_counter = 0
+        self.include_stack = []  # type: List[Tuple[Template, int]]
+        self._indent = 0
+
+    def indent_size(self) -> int:
+        return self._indent
+
+    def indent(self) -> "ContextManager":
+        class Indenter(object):
+            def __enter__(_) -> "_CodeWriter":
+                self._indent += 1
+                return self
+
+            def __exit__(_, *args: Any) -> None:
+                assert self._indent > 0
+                self._indent -= 1
+
+        return Indenter()
+
+    def include(self, template: Template, line: int) -> "ContextManager":
+        self.include_stack.append((self.current_template, line))
+        self.current_template = template
+
+        class IncludeTemplate(object):
+            def __enter__(_) -> "_CodeWriter":
+                return self
+
+            def __exit__(_, *args: Any) -> None:
+                self.current_template = self.include_stack.pop()[0]
+
+        return IncludeTemplate()
+
+    def write_line(self, line: str, line_number: int, indent: int = None) -> None:
+        if indent is None:
+            indent = self._indent
+        line_comment = "  # %s:%d" % (self.current_template.name, line_number)
+        if self.include_stack:
+            ancestors = [
+                "%s:%d" % (tmpl.name, lineno) for (tmpl, lineno) in self.include_stack
+            ]
+            line_comment += " (via %s)" % ", ".join(reversed(ancestors))
+        print("    " * indent + line + line_comment, file=self.file)
+
+
+class _TemplateReader(object):
+    def __init__(self, name: str, text: str, whitespace: str) -> None:
+        self.name = name
+        self.text = text
+        self.whitespace = whitespace
+        self.line = 1
+        self.pos = 0
+
+    def find(self, needle: str, start: int = 0, end: int = None) -> int:
+        assert start >= 0, start
+        pos = self.pos
+        start += pos
+        if end is None:
+            index = self.text.find(needle, start)
+        else:
+            end += pos
+            assert end >= start
+            index = self.text.find(needle, start, end)
+        if index != -1:
+            index -= pos
+        return index
+
+    def consume(self, count: int = None) -> str:
+        if count is None:
+            count = len(self.text) - self.pos
+        newpos = self.pos + count
+        self.line += self.text.count("\n", self.pos, newpos)
+        s = self.text[self.pos : newpos]
+        self.pos = newpos
+        return s
+
+    def remaining(self) -> int:
+        return len(self.text) - self.pos
+
+    def __len__(self) -> int:
+        return self.remaining()
+
+    def __getitem__(self, key: Union[int, slice]) -> str:
+        if isinstance(key, slice):
+            size = len(self)
+            start, stop, step = key.indices(size)
+            if start is None:
+                start = self.pos
+            else:
+                start += self.pos
+            if stop is not None:
+                stop += self.pos
+            return self.text[slice(start, stop, step)]
+        elif key < 0:
+            return self.text[key]
+        else:
+            return self.text[self.pos + key]
+
+    def __str__(self) -> str:
+        return self.text[self.pos :]
+
+    def raise_parse_error(self, msg: str) -> None:
+        raise ParseError(msg, self.name, self.line)
+
+
+def _format_code(code: str) -> str:
+    lines = code.splitlines()
+    format = "%%%dd  %%s\n" % len(repr(len(lines) + 1))
+    return "".join([format % (i + 1, line) for (i, line) in enumerate(lines)])
+
+
+def _parse(
+    reader: _TemplateReader,
+    template: Template,
+    in_block: str = None,
+    in_loop: str = None,
+) -> _ChunkList:
+    body = _ChunkList([])
+    while True:
+        # Find next template directive
+        curly = 0
+        while True:
+            curly = reader.find("{", curly)
+            if curly == -1 or curly + 1 == reader.remaining():
+                # EOF
+                if in_block:
+                    reader.raise_parse_error(
+                        "Missing {%% end %%} block for %s" % in_block
+                    )
+                body.chunks.append(
+                    _Text(reader.consume(), reader.line, reader.whitespace)
+                )
+                return body
+            # If the first curly brace is not the start of a special token,
+            # start searching from the character after it
+            if reader[curly + 1] not in ("{", "%", "#"):
+                curly += 1
+                continue
+            # When there are more than 2 curlies in a row, use the
+            # innermost ones.  This is useful when generating languages
+            # like latex where curlies are also meaningful
+            if (
+                curly + 2 < reader.remaining()
+                and reader[curly + 1] == "{"
+                and reader[curly + 2] == "{"
+            ):
+                curly += 1
+                continue
+            break
+
+        # Append any text before the special token
+        if curly > 0:
+            cons = reader.consume(curly)
+            body.chunks.append(_Text(cons, reader.line, reader.whitespace))
+
+        start_brace = reader.consume(2)
+        line = reader.line
+
+        # Template directives may be escaped as "{{!" or "{%!".
+        # In this case output the braces and consume the "!".
+        # This is especially useful in conjunction with jquery templates,
+        # which also use double braces.
+        if reader.remaining() and reader[0] == "!":
+            reader.consume(1)
+            body.chunks.append(_Text(start_brace, line, reader.whitespace))
+            continue
+
+        # Comment
+        if start_brace == "{#":
+            end = reader.find("#}")
+            if end == -1:
+                reader.raise_parse_error("Missing end comment #}")
+            contents = reader.consume(end).strip()
+            reader.consume(2)
+            continue
+
+        # Expression
+        if start_brace == "{{":
+            end = reader.find("}}")
+            if end == -1:
+                reader.raise_parse_error("Missing end expression }}")
+            contents = reader.consume(end).strip()
+            reader.consume(2)
+            if not contents:
+                reader.raise_parse_error("Empty expression")
+            body.chunks.append(_Expression(contents, line))
+            continue
+
+        # Block
+        assert start_brace == "{%", start_brace
+        end = reader.find("%}")
+        if end == -1:
+            reader.raise_parse_error("Missing end block %}")
+        contents = reader.consume(end).strip()
+        reader.consume(2)
+        if not contents:
+            reader.raise_parse_error("Empty block tag ({% %})")
+
+        operator, space, suffix = contents.partition(" ")
+        suffix = suffix.strip()
+
+        # Intermediate ("else", "elif", etc) blocks
+        intermediate_blocks = {
+            "else": set(["if", "for", "while", "try"]),
+            "elif": set(["if"]),
+            "except": set(["try"]),
+            "finally": set(["try"]),
+        }
+        allowed_parents = intermediate_blocks.get(operator)
+        if allowed_parents is not None:
+            if not in_block:
+                reader.raise_parse_error(
+                    "%s outside %s block" % (operator, allowed_parents)
+                )
+            if in_block not in allowed_parents:
+                reader.raise_parse_error(
+                    "%s block cannot be attached to %s block" % (operator, in_block)
+                )
+            body.chunks.append(_IntermediateControlBlock(contents, line))
+            continue
+
+        # End tag
+        elif operator == "end":
+            if not in_block:
+                reader.raise_parse_error("Extra {% end %} block")
+            return body
+
+        elif operator in (
+            "extends",
+            "include",
+            "set",
+            "import",
+            "from",
+            "comment",
+            "autoescape",
+            "whitespace",
+            "raw",
+            "module",
+        ):
+            if operator == "comment":
+                continue
+            if operator == "extends":
+                suffix = suffix.strip('"').strip("'")
+                if not suffix:
+                    reader.raise_parse_error("extends missing file path")
+                block = _ExtendsBlock(suffix)  # type: _Node
+            elif operator in ("import", "from"):
+                if not suffix:
+                    reader.raise_parse_error("import missing statement")
+                block = _Statement(contents, line)
+            elif operator == "include":
+                suffix = suffix.strip('"').strip("'")
+                if not suffix:
+                    reader.raise_parse_error("include missing file path")
+                block = _IncludeBlock(suffix, reader, line)
+            elif operator == "set":
+                if not suffix:
+                    reader.raise_parse_error("set missing statement")
+                block = _Statement(suffix, line)
+            elif operator == "autoescape":
+                fn = suffix.strip()  # type: Optional[str]
+                if fn == "None":
+                    fn = None
+                template.autoescape = fn
+                continue
+            elif operator == "whitespace":
+                mode = suffix.strip()
+                # Validate the selected mode
+                filter_whitespace(mode, "")
+                reader.whitespace = mode
+                continue
+            elif operator == "raw":
+                block = _Expression(suffix, line, raw=True)
+            elif operator == "module":
+                block = _Module(suffix, line)
+            body.chunks.append(block)
+            continue
+
+        elif operator in ("apply", "block", "try", "if", "for", "while"):
+            # parse inner body recursively
+            if operator in ("for", "while"):
+                block_body = _parse(reader, template, operator, operator)
+            elif operator == "apply":
+                # apply creates a nested function so syntactically it's not
+                # in the loop.
+                block_body = _parse(reader, template, operator, None)
+            else:
+                block_body = _parse(reader, template, operator, in_loop)
+
+            if operator == "apply":
+                if not suffix:
+                    reader.raise_parse_error("apply missing method name")
+                block = _ApplyBlock(suffix, line, block_body)
+            elif operator == "block":
+                if not suffix:
+                    reader.raise_parse_error("block missing name")
+                block = _NamedBlock(suffix, block_body, template, line)
+            else:
+                block = _ControlBlock(contents, line, block_body)
+            body.chunks.append(block)
+            continue
+
+        elif operator in ("break", "continue"):
+            if not in_loop:
+                reader.raise_parse_error(
+                    "%s outside %s block" % (operator, set(["for", "while"]))
+                )
+            body.chunks.append(_Statement(contents, line))
+            continue
+
+        else:
+            reader.raise_parse_error("unknown operator: %r" % operator)
diff --git a/venv/lib/python3.7/site-packages/tornado/test/__init__.py b/venv/lib/python3.7/site-packages/tornado/test/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/venv/lib/python3.7/site-packages/tornado/test/__main__.py b/venv/lib/python3.7/site-packages/tornado/test/__main__.py
new file mode 100644
index 0000000..430c895
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/__main__.py
@@ -0,0 +1,12 @@
+"""Shim to allow python -m tornado.test.
+
+This only works in python 2.7+.
+"""
+from tornado.test.runtests import all, main
+
+# tornado.testing.main autodiscovery relies on 'all' being present in
+# the main module, so import it here even though it is not used directly.
+# The following line prevents a pyflakes warning.
+all = all
+
+main()
diff --git a/venv/lib/python3.7/site-packages/tornado/test/asyncio_test.py b/venv/lib/python3.7/site-packages/tornado/test/asyncio_test.py
new file mode 100644
index 0000000..aa9c2f9
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/asyncio_test.py
@@ -0,0 +1,190 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import asyncio
+import unittest
+
+from concurrent.futures import ThreadPoolExecutor
+from tornado import gen
+from tornado.ioloop import IOLoop
+from tornado.platform.asyncio import (
+    AsyncIOLoop,
+    to_asyncio_future,
+    AnyThreadEventLoopPolicy,
+)
+from tornado.testing import AsyncTestCase, gen_test
+
+
+class AsyncIOLoopTest(AsyncTestCase):
+    def get_new_ioloop(self):
+        io_loop = AsyncIOLoop()
+        return io_loop
+
+    def test_asyncio_callback(self):
+        # Basic test that the asyncio loop is set up correctly.
+        asyncio.get_event_loop().call_soon(self.stop)
+        self.wait()
+
+    @gen_test
+    def test_asyncio_future(self):
+        # Test that we can yield an asyncio future from a tornado coroutine.
+        # Without 'yield from', we must wrap coroutines in ensure_future,
+        # which was introduced during Python 3.4, deprecating the prior "async".
+        if hasattr(asyncio, "ensure_future"):
+            ensure_future = asyncio.ensure_future
+        else:
+            # async is a reserved word in Python 3.7
+            ensure_future = getattr(asyncio, "async")
+
+        x = yield ensure_future(
+            asyncio.get_event_loop().run_in_executor(None, lambda: 42)
+        )
+        self.assertEqual(x, 42)
+
+    @gen_test
+    def test_asyncio_yield_from(self):
+        @gen.coroutine
+        def f():
+            event_loop = asyncio.get_event_loop()
+            x = yield from event_loop.run_in_executor(None, lambda: 42)
+            return x
+
+        result = yield f()
+        self.assertEqual(result, 42)
+
+    def test_asyncio_adapter(self):
+        # This test demonstrates that when using the asyncio coroutine
+        # runner (i.e. run_until_complete), the to_asyncio_future
+        # adapter is needed. No adapter is needed in the other direction,
+        # as demonstrated by other tests in the package.
+        @gen.coroutine
+        def tornado_coroutine():
+            yield gen.moment
+            raise gen.Return(42)
+
+        async def native_coroutine_without_adapter():
+            return await tornado_coroutine()
+
+        async def native_coroutine_with_adapter():
+            return await to_asyncio_future(tornado_coroutine())
+
+        # Use the adapter, but two degrees from the tornado coroutine.
+        async def native_coroutine_with_adapter2():
+            return await to_asyncio_future(native_coroutine_without_adapter())
+
+        # Tornado supports native coroutines both with and without adapters
+        self.assertEqual(self.io_loop.run_sync(native_coroutine_without_adapter), 42)
+        self.assertEqual(self.io_loop.run_sync(native_coroutine_with_adapter), 42)
+        self.assertEqual(self.io_loop.run_sync(native_coroutine_with_adapter2), 42)
+
+        # Asyncio only supports coroutines that yield asyncio-compatible
+        # Futures (which our Future is since 5.0).
+        self.assertEqual(
+            asyncio.get_event_loop().run_until_complete(
+                native_coroutine_without_adapter()
+            ),
+            42,
+        )
+        self.assertEqual(
+            asyncio.get_event_loop().run_until_complete(
+                native_coroutine_with_adapter()
+            ),
+            42,
+        )
+        self.assertEqual(
+            asyncio.get_event_loop().run_until_complete(
+                native_coroutine_with_adapter2()
+            ),
+            42,
+        )
+
+
+class LeakTest(unittest.TestCase):
+    def setUp(self):
+        # Trigger a cleanup of the mapping so we start with a clean slate.
+        AsyncIOLoop().close()
+        # If we don't clean up after ourselves other tests may fail on
+        # py34.
+        self.orig_policy = asyncio.get_event_loop_policy()
+        asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
+
+    def tearDown(self):
+        asyncio.get_event_loop().close()
+        asyncio.set_event_loop_policy(self.orig_policy)
+
+    def test_ioloop_close_leak(self):
+        orig_count = len(IOLoop._ioloop_for_asyncio)
+        for i in range(10):
+            # Create and close an AsyncIOLoop using Tornado interfaces.
+            loop = AsyncIOLoop()
+            loop.close()
+        new_count = len(IOLoop._ioloop_for_asyncio) - orig_count
+        self.assertEqual(new_count, 0)
+
+    def test_asyncio_close_leak(self):
+        orig_count = len(IOLoop._ioloop_for_asyncio)
+        for i in range(10):
+            # Create and close an AsyncIOMainLoop using asyncio interfaces.
+            loop = asyncio.new_event_loop()
+            loop.call_soon(IOLoop.current)
+            loop.call_soon(loop.stop)
+            loop.run_forever()
+            loop.close()
+        new_count = len(IOLoop._ioloop_for_asyncio) - orig_count
+        # Because the cleanup is run on new loop creation, we have one
+        # dangling entry in the map (but only one).
+        self.assertEqual(new_count, 1)
+
+
+class AnyThreadEventLoopPolicyTest(unittest.TestCase):
+    def setUp(self):
+        self.orig_policy = asyncio.get_event_loop_policy()
+        self.executor = ThreadPoolExecutor(1)
+
+    def tearDown(self):
+        asyncio.set_event_loop_policy(self.orig_policy)
+        self.executor.shutdown()
+
+    def get_event_loop_on_thread(self):
+        def get_and_close_event_loop():
+            """Get the event loop. Close it if one is returned.
+
+            Returns the (closed) event loop. This is a silly thing
+            to do and leaves the thread in a broken state, but it's
+            enough for this test. Closing the loop avoids resource
+            leak warnings.
+            """
+            loop = asyncio.get_event_loop()
+            loop.close()
+            return loop
+
+        future = self.executor.submit(get_and_close_event_loop)
+        return future.result()
+
+    def run_policy_test(self, accessor, expected_type):
+        # With the default policy, non-main threads don't get an event
+        # loop.
+        self.assertRaises(
+            (RuntimeError, AssertionError), self.executor.submit(accessor).result
+        )
+        # Set the policy and we can get a loop.
+        asyncio.set_event_loop_policy(AnyThreadEventLoopPolicy())
+        self.assertIsInstance(self.executor.submit(accessor).result(), expected_type)
+        # Clean up to silence leak warnings. Always use asyncio since
+        # IOLoop doesn't (currently) close the underlying loop.
+        self.executor.submit(lambda: asyncio.get_event_loop().close()).result()
+
+    def test_asyncio_accessor(self):
+        self.run_policy_test(asyncio.get_event_loop, asyncio.AbstractEventLoop)
+
+    def test_tornado_accessor(self):
+        self.run_policy_test(IOLoop.current, IOLoop)
diff --git a/venv/lib/python3.7/site-packages/tornado/test/auth_test.py b/venv/lib/python3.7/site-packages/tornado/test/auth_test.py
new file mode 100644
index 0000000..7807ae5
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/auth_test.py
@@ -0,0 +1,609 @@
+# These tests do not currently do much to verify the correct implementation
+# of the openid/oauth protocols, they just exercise the major code paths
+# and ensure that it doesn't blow up (e.g. with unicode/bytes issues in
+# python 3)
+
+import unittest
+
+from tornado.auth import (
+    OpenIdMixin,
+    OAuthMixin,
+    OAuth2Mixin,
+    GoogleOAuth2Mixin,
+    FacebookGraphMixin,
+    TwitterMixin,
+)
+from tornado.escape import json_decode
+from tornado import gen
+from tornado.httpclient import HTTPClientError
+from tornado.httputil import url_concat
+from tornado.log import app_log
+from tornado.testing import AsyncHTTPTestCase, ExpectLog
+from tornado.web import RequestHandler, Application, HTTPError
+
+try:
+    from unittest import mock
+except ImportError:
+    mock = None  # type: ignore
+
+
+class OpenIdClientLoginHandler(RequestHandler, OpenIdMixin):
+    def initialize(self, test):
+        self._OPENID_ENDPOINT = test.get_url("/openid/server/authenticate")
+
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("openid.mode", None):
+            user = yield self.get_authenticated_user(
+                http_client=self.settings["http_client"]
+            )
+            if user is None:
+                raise Exception("user is None")
+            self.finish(user)
+            return
+        res = self.authenticate_redirect()
+        assert res is None
+
+
+class OpenIdServerAuthenticateHandler(RequestHandler):
+    def post(self):
+        if self.get_argument("openid.mode") != "check_authentication":
+            raise Exception("incorrect openid.mode %r")
+        self.write("is_valid:true")
+
+
+class OAuth1ClientLoginHandler(RequestHandler, OAuthMixin):
+    def initialize(self, test, version):
+        self._OAUTH_VERSION = version
+        self._OAUTH_REQUEST_TOKEN_URL = test.get_url("/oauth1/server/request_token")
+        self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth1/server/authorize")
+        self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/oauth1/server/access_token")
+
+    def _oauth_consumer_token(self):
+        return dict(key="asdf", secret="qwer")
+
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("oauth_token", None):
+            user = yield self.get_authenticated_user(
+                http_client=self.settings["http_client"]
+            )
+            if user is None:
+                raise Exception("user is None")
+            self.finish(user)
+            return
+        yield self.authorize_redirect(http_client=self.settings["http_client"])
+
+    @gen.coroutine
+    def _oauth_get_user_future(self, access_token):
+        if self.get_argument("fail_in_get_user", None):
+            raise Exception("failing in get_user")
+        if access_token != dict(key="uiop", secret="5678"):
+            raise Exception("incorrect access token %r" % access_token)
+        return dict(email="foo@example.com")
+
+
+class OAuth1ClientLoginCoroutineHandler(OAuth1ClientLoginHandler):
+    """Replaces OAuth1ClientLoginCoroutineHandler's get() with a coroutine."""
+
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("oauth_token", None):
+            # Ensure that any exceptions are set on the returned Future,
+            # not simply thrown into the surrounding StackContext.
+            try:
+                yield self.get_authenticated_user()
+            except Exception as e:
+                self.set_status(503)
+                self.write("got exception: %s" % e)
+        else:
+            yield self.authorize_redirect()
+
+
+class OAuth1ClientRequestParametersHandler(RequestHandler, OAuthMixin):
+    def initialize(self, version):
+        self._OAUTH_VERSION = version
+
+    def _oauth_consumer_token(self):
+        return dict(key="asdf", secret="qwer")
+
+    def get(self):
+        params = self._oauth_request_parameters(
+            "http://www.example.com/api/asdf",
+            dict(key="uiop", secret="5678"),
+            parameters=dict(foo="bar"),
+        )
+        self.write(params)
+
+
+class OAuth1ServerRequestTokenHandler(RequestHandler):
+    def get(self):
+        self.write("oauth_token=zxcv&oauth_token_secret=1234")
+
+
+class OAuth1ServerAccessTokenHandler(RequestHandler):
+    def get(self):
+        self.write("oauth_token=uiop&oauth_token_secret=5678")
+
+
+class OAuth2ClientLoginHandler(RequestHandler, OAuth2Mixin):
+    def initialize(self, test):
+        self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth2/server/authorize")
+
+    def get(self):
+        res = self.authorize_redirect()
+        assert res is None
+
+
+class FacebookClientLoginHandler(RequestHandler, FacebookGraphMixin):
+    def initialize(self, test):
+        self._OAUTH_AUTHORIZE_URL = test.get_url("/facebook/server/authorize")
+        self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/facebook/server/access_token")
+        self._FACEBOOK_BASE_URL = test.get_url("/facebook/server")
+
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("code", None):
+            user = yield self.get_authenticated_user(
+                redirect_uri=self.request.full_url(),
+                client_id=self.settings["facebook_api_key"],
+                client_secret=self.settings["facebook_secret"],
+                code=self.get_argument("code"),
+            )
+            self.write(user)
+        else:
+            yield self.authorize_redirect(
+                redirect_uri=self.request.full_url(),
+                client_id=self.settings["facebook_api_key"],
+                extra_params={"scope": "read_stream,offline_access"},
+            )
+
+
+class FacebookServerAccessTokenHandler(RequestHandler):
+    def get(self):
+        self.write(dict(access_token="asdf", expires_in=3600))
+
+
+class FacebookServerMeHandler(RequestHandler):
+    def get(self):
+        self.write("{}")
+
+
+class TwitterClientHandler(RequestHandler, TwitterMixin):
+    def initialize(self, test):
+        self._OAUTH_REQUEST_TOKEN_URL = test.get_url("/oauth1/server/request_token")
+        self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/twitter/server/access_token")
+        self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth1/server/authorize")
+        self._OAUTH_AUTHENTICATE_URL = test.get_url("/twitter/server/authenticate")
+        self._TWITTER_BASE_URL = test.get_url("/twitter/api")
+
+    def get_auth_http_client(self):
+        return self.settings["http_client"]
+
+
+class TwitterClientLoginHandler(TwitterClientHandler):
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("oauth_token", None):
+            user = yield self.get_authenticated_user()
+            if user is None:
+                raise Exception("user is None")
+            self.finish(user)
+            return
+        yield self.authorize_redirect()
+
+
+class TwitterClientAuthenticateHandler(TwitterClientHandler):
+    # Like TwitterClientLoginHandler, but uses authenticate_redirect
+    # instead of authorize_redirect.
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("oauth_token", None):
+            user = yield self.get_authenticated_user()
+            if user is None:
+                raise Exception("user is None")
+            self.finish(user)
+            return
+        yield self.authenticate_redirect()
+
+
+class TwitterClientLoginGenCoroutineHandler(TwitterClientHandler):
+    @gen.coroutine
+    def get(self):
+        if self.get_argument("oauth_token", None):
+            user = yield self.get_authenticated_user()
+            self.finish(user)
+        else:
+            # New style: with @gen.coroutine the result must be yielded
+            # or else the request will be auto-finished too soon.
+            yield self.authorize_redirect()
+
+
+class TwitterClientShowUserHandler(TwitterClientHandler):
+    @gen.coroutine
+    def get(self):
+        # TODO: would be nice to go through the login flow instead of
+        # cheating with a hard-coded access token.
+        try:
+            response = yield self.twitter_request(
+                "/users/show/%s" % self.get_argument("name"),
+                access_token=dict(key="hjkl", secret="vbnm"),
+            )
+        except HTTPClientError:
+            # TODO(bdarnell): Should we catch HTTP errors and
+            # transform some of them (like 403s) into AuthError?
+            self.set_status(500)
+            self.finish("error from twitter request")
+        else:
+            self.finish(response)
+
+
+class TwitterServerAccessTokenHandler(RequestHandler):
+    def get(self):
+        self.write("oauth_token=hjkl&oauth_token_secret=vbnm&screen_name=foo")
+
+
+class TwitterServerShowUserHandler(RequestHandler):
+    def get(self, screen_name):
+        if screen_name == "error":
+            raise HTTPError(500)
+        assert "oauth_nonce" in self.request.arguments
+        assert "oauth_timestamp" in self.request.arguments
+        assert "oauth_signature" in self.request.arguments
+        assert self.get_argument("oauth_consumer_key") == "test_twitter_consumer_key"
+        assert self.get_argument("oauth_signature_method") == "HMAC-SHA1"
+        assert self.get_argument("oauth_version") == "1.0"
+        assert self.get_argument("oauth_token") == "hjkl"
+        self.write(dict(screen_name=screen_name, name=screen_name.capitalize()))
+
+
+class TwitterServerVerifyCredentialsHandler(RequestHandler):
+    def get(self):
+        assert "oauth_nonce" in self.request.arguments
+        assert "oauth_timestamp" in self.request.arguments
+        assert "oauth_signature" in self.request.arguments
+        assert self.get_argument("oauth_consumer_key") == "test_twitter_consumer_key"
+        assert self.get_argument("oauth_signature_method") == "HMAC-SHA1"
+        assert self.get_argument("oauth_version") == "1.0"
+        assert self.get_argument("oauth_token") == "hjkl"
+        self.write(dict(screen_name="foo", name="Foo"))
+
+
+class AuthTest(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application(
+            [
+                # test endpoints
+                ("/openid/client/login", OpenIdClientLoginHandler, dict(test=self)),
+                (
+                    "/oauth10/client/login",
+                    OAuth1ClientLoginHandler,
+                    dict(test=self, version="1.0"),
+                ),
+                (
+                    "/oauth10/client/request_params",
+                    OAuth1ClientRequestParametersHandler,
+                    dict(version="1.0"),
+                ),
+                (
+                    "/oauth10a/client/login",
+                    OAuth1ClientLoginHandler,
+                    dict(test=self, version="1.0a"),
+                ),
+                (
+                    "/oauth10a/client/login_coroutine",
+                    OAuth1ClientLoginCoroutineHandler,
+                    dict(test=self, version="1.0a"),
+                ),
+                (
+                    "/oauth10a/client/request_params",
+                    OAuth1ClientRequestParametersHandler,
+                    dict(version="1.0a"),
+                ),
+                ("/oauth2/client/login", OAuth2ClientLoginHandler, dict(test=self)),
+                ("/facebook/client/login", FacebookClientLoginHandler, dict(test=self)),
+                ("/twitter/client/login", TwitterClientLoginHandler, dict(test=self)),
+                (
+                    "/twitter/client/authenticate",
+                    TwitterClientAuthenticateHandler,
+                    dict(test=self),
+                ),
+                (
+                    "/twitter/client/login_gen_coroutine",
+                    TwitterClientLoginGenCoroutineHandler,
+                    dict(test=self),
+                ),
+                (
+                    "/twitter/client/show_user",
+                    TwitterClientShowUserHandler,
+                    dict(test=self),
+                ),
+                # simulated servers
+                ("/openid/server/authenticate", OpenIdServerAuthenticateHandler),
+                ("/oauth1/server/request_token", OAuth1ServerRequestTokenHandler),
+                ("/oauth1/server/access_token", OAuth1ServerAccessTokenHandler),
+                ("/facebook/server/access_token", FacebookServerAccessTokenHandler),
+                ("/facebook/server/me", FacebookServerMeHandler),
+                ("/twitter/server/access_token", TwitterServerAccessTokenHandler),
+                (r"/twitter/api/users/show/(.*)\.json", TwitterServerShowUserHandler),
+                (
+                    r"/twitter/api/account/verify_credentials\.json",
+                    TwitterServerVerifyCredentialsHandler,
+                ),
+            ],
+            http_client=self.http_client,
+            twitter_consumer_key="test_twitter_consumer_key",
+            twitter_consumer_secret="test_twitter_consumer_secret",
+            facebook_api_key="test_facebook_api_key",
+            facebook_secret="test_facebook_secret",
+        )
+
+    def test_openid_redirect(self):
+        response = self.fetch("/openid/client/login", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue("/openid/server/authenticate?" in response.headers["Location"])
+
+    def test_openid_get_user(self):
+        response = self.fetch(
+            "/openid/client/login?openid.mode=blah"
+            "&openid.ns.ax=http://openid.net/srv/ax/1.0"
+            "&openid.ax.type.email=http://axschema.org/contact/email"
+            "&openid.ax.value.email=foo@example.com"
+        )
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(parsed["email"], "foo@example.com")
+
+    def test_oauth10_redirect(self):
+        response = self.fetch("/oauth10/client/login", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue(
+            response.headers["Location"].endswith(
+                "/oauth1/server/authorize?oauth_token=zxcv"
+            )
+        )
+        # the cookie is base64('zxcv')|base64('1234')
+        self.assertTrue(
+            '_oauth_request_token="enhjdg==|MTIzNA=="'
+            in response.headers["Set-Cookie"],
+            response.headers["Set-Cookie"],
+        )
+
+    def test_oauth10_get_user(self):
+        response = self.fetch(
+            "/oauth10/client/login?oauth_token=zxcv",
+            headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
+        )
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(parsed["email"], "foo@example.com")
+        self.assertEqual(parsed["access_token"], dict(key="uiop", secret="5678"))
+
+    def test_oauth10_request_parameters(self):
+        response = self.fetch("/oauth10/client/request_params")
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(parsed["oauth_consumer_key"], "asdf")
+        self.assertEqual(parsed["oauth_token"], "uiop")
+        self.assertTrue("oauth_nonce" in parsed)
+        self.assertTrue("oauth_signature" in parsed)
+
+    def test_oauth10a_redirect(self):
+        response = self.fetch("/oauth10a/client/login", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue(
+            response.headers["Location"].endswith(
+                "/oauth1/server/authorize?oauth_token=zxcv"
+            )
+        )
+        # the cookie is base64('zxcv')|base64('1234')
+        self.assertTrue(
+            '_oauth_request_token="enhjdg==|MTIzNA=="'
+            in response.headers["Set-Cookie"],
+            response.headers["Set-Cookie"],
+        )
+
+    @unittest.skipIf(mock is None, "mock package not present")
+    def test_oauth10a_redirect_error(self):
+        with mock.patch.object(OAuth1ServerRequestTokenHandler, "get") as get:
+            get.side_effect = Exception("boom")
+            with ExpectLog(app_log, "Uncaught exception"):
+                response = self.fetch("/oauth10a/client/login", follow_redirects=False)
+            self.assertEqual(response.code, 500)
+
+    def test_oauth10a_get_user(self):
+        response = self.fetch(
+            "/oauth10a/client/login?oauth_token=zxcv",
+            headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
+        )
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(parsed["email"], "foo@example.com")
+        self.assertEqual(parsed["access_token"], dict(key="uiop", secret="5678"))
+
+    def test_oauth10a_request_parameters(self):
+        response = self.fetch("/oauth10a/client/request_params")
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(parsed["oauth_consumer_key"], "asdf")
+        self.assertEqual(parsed["oauth_token"], "uiop")
+        self.assertTrue("oauth_nonce" in parsed)
+        self.assertTrue("oauth_signature" in parsed)
+
+    def test_oauth10a_get_user_coroutine_exception(self):
+        response = self.fetch(
+            "/oauth10a/client/login_coroutine?oauth_token=zxcv&fail_in_get_user=true",
+            headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
+        )
+        self.assertEqual(response.code, 503)
+
+    def test_oauth2_redirect(self):
+        response = self.fetch("/oauth2/client/login", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue("/oauth2/server/authorize?" in response.headers["Location"])
+
+    def test_facebook_login(self):
+        response = self.fetch("/facebook/client/login", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue("/facebook/server/authorize?" in response.headers["Location"])
+        response = self.fetch(
+            "/facebook/client/login?code=1234", follow_redirects=False
+        )
+        self.assertEqual(response.code, 200)
+        user = json_decode(response.body)
+        self.assertEqual(user["access_token"], "asdf")
+        self.assertEqual(user["session_expires"], "3600")
+
+    def base_twitter_redirect(self, url):
+        # Same as test_oauth10a_redirect
+        response = self.fetch(url, follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue(
+            response.headers["Location"].endswith(
+                "/oauth1/server/authorize?oauth_token=zxcv"
+            )
+        )
+        # the cookie is base64('zxcv')|base64('1234')
+        self.assertTrue(
+            '_oauth_request_token="enhjdg==|MTIzNA=="'
+            in response.headers["Set-Cookie"],
+            response.headers["Set-Cookie"],
+        )
+
+    def test_twitter_redirect(self):
+        self.base_twitter_redirect("/twitter/client/login")
+
+    def test_twitter_redirect_gen_coroutine(self):
+        self.base_twitter_redirect("/twitter/client/login_gen_coroutine")
+
+    def test_twitter_authenticate_redirect(self):
+        response = self.fetch("/twitter/client/authenticate", follow_redirects=False)
+        self.assertEqual(response.code, 302)
+        self.assertTrue(
+            response.headers["Location"].endswith(
+                "/twitter/server/authenticate?oauth_token=zxcv"
+            ),
+            response.headers["Location"],
+        )
+        # the cookie is base64('zxcv')|base64('1234')
+        self.assertTrue(
+            '_oauth_request_token="enhjdg==|MTIzNA=="'
+            in response.headers["Set-Cookie"],
+            response.headers["Set-Cookie"],
+        )
+
+    def test_twitter_get_user(self):
+        response = self.fetch(
+            "/twitter/client/login?oauth_token=zxcv",
+            headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
+        )
+        response.rethrow()
+        parsed = json_decode(response.body)
+        self.assertEqual(
+            parsed,
+            {
+                u"access_token": {
+                    u"key": u"hjkl",
+                    u"screen_name": u"foo",
+                    u"secret": u"vbnm",
+                },
+                u"name": u"Foo",
+                u"screen_name": u"foo",
+                u"username": u"foo",
+            },
+        )
+
+    def test_twitter_show_user(self):
+        response = self.fetch("/twitter/client/show_user?name=somebody")
+        response.rethrow()
+        self.assertEqual(
+            json_decode(response.body), {"name": "Somebody", "screen_name": "somebody"}
+        )
+
+    def test_twitter_show_user_error(self):
+        response = self.fetch("/twitter/client/show_user?name=error")
+        self.assertEqual(response.code, 500)
+        self.assertEqual(response.body, b"error from twitter request")
+
+
+class GoogleLoginHandler(RequestHandler, GoogleOAuth2Mixin):
+    def initialize(self, test):
+        self.test = test
+        self._OAUTH_REDIRECT_URI = test.get_url("/client/login")
+        self._OAUTH_AUTHORIZE_URL = test.get_url("/google/oauth2/authorize")
+        self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/google/oauth2/token")
+
+    @gen.coroutine
+    def get(self):
+        code = self.get_argument("code", None)
+        if code is not None:
+            # retrieve authenticate google user
+            access = yield self.get_authenticated_user(self._OAUTH_REDIRECT_URI, code)
+            user = yield self.oauth2_request(
+                self.test.get_url("/google/oauth2/userinfo"),
+                access_token=access["access_token"],
+            )
+            # return the user and access token as json
+            user["access_token"] = access["access_token"]
+            self.write(user)
+        else:
+            yield self.authorize_redirect(
+                redirect_uri=self._OAUTH_REDIRECT_URI,
+                client_id=self.settings["google_oauth"]["key"],
+                client_secret=self.settings["google_oauth"]["secret"],
+                scope=["profile", "email"],
+                response_type="code",
+                extra_params={"prompt": "select_account"},
+            )
+
+
+class GoogleOAuth2AuthorizeHandler(RequestHandler):
+    def get(self):
+        # issue a fake auth code and redirect to redirect_uri
+        code = "fake-authorization-code"
+        self.redirect(url_concat(self.get_argument("redirect_uri"), dict(code=code)))
+
+
+class GoogleOAuth2TokenHandler(RequestHandler):
+    def post(self):
+        assert self.get_argument("code") == "fake-authorization-code"
+        # issue a fake token
+        self.finish(
+            {"access_token": "fake-access-token", "expires_in": "never-expires"}
+        )
+
+
+class GoogleOAuth2UserinfoHandler(RequestHandler):
+    def get(self):
+        assert self.get_argument("access_token") == "fake-access-token"
+        # return a fake user
+        self.finish({"name": "Foo", "email": "foo@example.com"})
+
+
+class GoogleOAuth2Test(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application(
+            [
+                # test endpoints
+                ("/client/login", GoogleLoginHandler, dict(test=self)),
+                # simulated google authorization server endpoints
+                ("/google/oauth2/authorize", GoogleOAuth2AuthorizeHandler),
+                ("/google/oauth2/token", GoogleOAuth2TokenHandler),
+                ("/google/oauth2/userinfo", GoogleOAuth2UserinfoHandler),
+            ],
+            google_oauth={
+                "key": "fake_google_client_id",
+                "secret": "fake_google_client_secret",
+            },
+        )
+
+    def test_google_login(self):
+        response = self.fetch("/client/login")
+        self.assertDictEqual(
+            {
+                u"name": u"Foo",
+                u"email": u"foo@example.com",
+                u"access_token": u"fake-access-token",
+            },
+            json_decode(response.body),
+        )
diff --git a/venv/lib/python3.7/site-packages/tornado/test/autoreload_test.py b/venv/lib/python3.7/site-packages/tornado/test/autoreload_test.py
new file mode 100644
index 0000000..be481e1
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/autoreload_test.py
@@ -0,0 +1,127 @@
+import os
+import shutil
+import subprocess
+from subprocess import Popen
+import sys
+from tempfile import mkdtemp
+import time
+import unittest
+
+
+class AutoreloadTest(unittest.TestCase):
+    def setUp(self):
+        self.path = mkdtemp()
+
+    def tearDown(self):
+        try:
+            shutil.rmtree(self.path)
+        except OSError:
+            # Windows disallows deleting files that are in use by
+            # another process, and even though we've waited for our
+            # child process below, it appears that its lock on these
+            # files is not guaranteed to be released by this point.
+            # Sleep and try again (once).
+            time.sleep(1)
+            shutil.rmtree(self.path)
+
+    def test_reload_module(self):
+        main = """\
+import os
+import sys
+
+from tornado import autoreload
+
+# This import will fail if path is not set up correctly
+import testapp
+
+print('Starting')
+if 'TESTAPP_STARTED' not in os.environ:
+    os.environ['TESTAPP_STARTED'] = '1'
+    sys.stdout.flush()
+    autoreload._reload()
+"""
+
+        # Create temporary test application
+        os.mkdir(os.path.join(self.path, "testapp"))
+        open(os.path.join(self.path, "testapp/__init__.py"), "w").close()
+        with open(os.path.join(self.path, "testapp/__main__.py"), "w") as f:
+            f.write(main)
+
+        # Make sure the tornado module under test is available to the test
+        # application
+        pythonpath = os.getcwd()
+        if "PYTHONPATH" in os.environ:
+            pythonpath += os.pathsep + os.environ["PYTHONPATH"]
+
+        p = Popen(
+            [sys.executable, "-m", "testapp"],
+            stdout=subprocess.PIPE,
+            cwd=self.path,
+            env=dict(os.environ, PYTHONPATH=pythonpath),
+            universal_newlines=True,
+        )
+        out = p.communicate()[0]
+        self.assertEqual(out, "Starting\nStarting\n")
+
+    def test_reload_wrapper_preservation(self):
+        # This test verifies that when `python -m tornado.autoreload`
+        # is used on an application that also has an internal
+        # autoreload, the reload wrapper is preserved on restart.
+        main = """\
+import os
+import sys
+
+# This import will fail if path is not set up correctly
+import testapp
+
+if 'tornado.autoreload' not in sys.modules:
+    raise Exception('started without autoreload wrapper')
+
+import tornado.autoreload
+
+print('Starting')
+sys.stdout.flush()
+if 'TESTAPP_STARTED' not in os.environ:
+    os.environ['TESTAPP_STARTED'] = '1'
+    # Simulate an internal autoreload (one not caused
+    # by the wrapper).
+    tornado.autoreload._reload()
+else:
+    # Exit directly so autoreload doesn't catch it.
+    os._exit(0)
+"""
+
+        # Create temporary test application
+        os.mkdir(os.path.join(self.path, "testapp"))
+        init_file = os.path.join(self.path, "testapp", "__init__.py")
+        open(init_file, "w").close()
+        main_file = os.path.join(self.path, "testapp", "__main__.py")
+        with open(main_file, "w") as f:
+            f.write(main)
+
+        # Make sure the tornado module under test is available to the test
+        # application
+        pythonpath = os.getcwd()
+        if "PYTHONPATH" in os.environ:
+            pythonpath += os.pathsep + os.environ["PYTHONPATH"]
+
+        autoreload_proc = Popen(
+            [sys.executable, "-m", "tornado.autoreload", "-m", "testapp"],
+            stdout=subprocess.PIPE,
+            cwd=self.path,
+            env=dict(os.environ, PYTHONPATH=pythonpath),
+            universal_newlines=True,
+        )
+
+        # This timeout needs to be fairly generous for pypy due to jit
+        # warmup costs.
+        for i in range(40):
+            if autoreload_proc.poll() is not None:
+                break
+            time.sleep(0.1)
+        else:
+            autoreload_proc.kill()
+            raise Exception("subprocess failed to terminate")
+
+        out = autoreload_proc.communicate()[0]
+        self.assertEqual(out, "Starting\n" * 2)
diff --git a/venv/lib/python3.7/site-packages/tornado/test/concurrent_test.py b/venv/lib/python3.7/site-packages/tornado/test/concurrent_test.py
new file mode 100644
index 0000000..488b7dd
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/concurrent_test.py
@@ -0,0 +1,209 @@
+#
+# Copyright 2012 Facebook
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+from concurrent import futures
+import logging
+import re
+import socket
+import unittest
+
+from tornado.concurrent import (
+    Future,
+    run_on_executor,
+    future_set_result_unless_cancelled,
+)
+from tornado.escape import utf8, to_unicode
+from tornado import gen
+from tornado.iostream import IOStream
+from tornado.tcpserver import TCPServer
+from tornado.testing import AsyncTestCase, bind_unused_port, gen_test
+
+
+class MiscFutureTest(AsyncTestCase):
+    def test_future_set_result_unless_cancelled(self):
+        fut = Future()  # type: Future[int]
+        future_set_result_unless_cancelled(fut, 42)
+        self.assertEqual(fut.result(), 42)
+        self.assertFalse(fut.cancelled())
+
+        fut = Future()
+        fut.cancel()
+        is_cancelled = fut.cancelled()
+        future_set_result_unless_cancelled(fut, 42)
+        self.assertEqual(fut.cancelled(), is_cancelled)
+        if not is_cancelled:
+            self.assertEqual(fut.result(), 42)
+
+
+# The following series of classes demonstrate and test various styles
+# of use, with and without generators and futures.
+
+
+class CapServer(TCPServer):
+    @gen.coroutine
+    def handle_stream(self, stream, address):
+        data = yield stream.read_until(b"\n")
+        data = to_unicode(data)
+        if data == data.upper():
+            stream.write(b"error\talready capitalized\n")
+        else:
+            # data already has \n
+            stream.write(utf8("ok\t%s" % data.upper()))
+        stream.close()
+
+
+class CapError(Exception):
+    pass
+
+
+class BaseCapClient(object):
+    def __init__(self, port):
+        self.port = port
+
+    def process_response(self, data):
+        m = re.match("(.*)\t(.*)\n", to_unicode(data))
+        if m is None:
+            raise Exception("did not match")
+        status, message = m.groups()
+        if status == "ok":
+            return message
+        else:
+            raise CapError(message)
+
+
+class GeneratorCapClient(BaseCapClient):
+    @gen.coroutine
+    def capitalize(self, request_data):
+        logging.debug("capitalize")
+        stream = IOStream(socket.socket())
+        logging.debug("connecting")
+        yield stream.connect(("127.0.0.1", self.port))
+        stream.write(utf8(request_data + "\n"))
+        logging.debug("reading")
+        data = yield stream.read_until(b"\n")
+        logging.debug("returning")
+        stream.close()
+        raise gen.Return(self.process_response(data))
+
+
+class ClientTestMixin(object):
+    def setUp(self):
+        super(ClientTestMixin, self).setUp()  # type: ignore
+        self.server = CapServer()
+        sock, port = bind_unused_port()
+        self.server.add_sockets([sock])
+        self.client = self.client_class(port=port)
+
+    def tearDown(self):
+        self.server.stop()
+        super(ClientTestMixin, self).tearDown()  # type: ignore
+
+    def test_future(self):
+        future = self.client.capitalize("hello")
+        self.io_loop.add_future(future, self.stop)
+        self.wait()
+        self.assertEqual(future.result(), "HELLO")
+
+    def test_future_error(self):
+        future = self.client.capitalize("HELLO")
+        self.io_loop.add_future(future, self.stop)
+        self.wait()
+        self.assertRaisesRegexp(CapError, "already capitalized", future.result)
+
+    def test_generator(self):
+        @gen.coroutine
+        def f():
+            result = yield self.client.capitalize("hello")
+            self.assertEqual(result, "HELLO")
+
+        self.io_loop.run_sync(f)
+
+    def test_generator_error(self):
+        @gen.coroutine
+        def f():
+            with self.assertRaisesRegexp(CapError, "already capitalized"):
+                yield self.client.capitalize("HELLO")
+
+        self.io_loop.run_sync(f)
+
+
+class GeneratorClientTest(ClientTestMixin, AsyncTestCase):
+    client_class = GeneratorCapClient
+
+
+class RunOnExecutorTest(AsyncTestCase):
+    @gen_test
+    def test_no_calling(self):
+        class Object(object):
+            def __init__(self):
+                self.executor = futures.thread.ThreadPoolExecutor(1)
+
+            @run_on_executor
+            def f(self):
+                return 42
+
+        o = Object()
+        answer = yield o.f()
+        self.assertEqual(answer, 42)
+
+    @gen_test
+    def test_call_with_no_args(self):
+        class Object(object):
+            def __init__(self):
+                self.executor = futures.thread.ThreadPoolExecutor(1)
+
+            @run_on_executor()
+            def f(self):
+                return 42
+
+        o = Object()
+        answer = yield o.f()
+        self.assertEqual(answer, 42)
+
+    @gen_test
+    def test_call_with_executor(self):
+        class Object(object):
+            def __init__(self):
+                self.__executor = futures.thread.ThreadPoolExecutor(1)
+
+            @run_on_executor(executor="_Object__executor")
+            def f(self):
+                return 42
+
+        o = Object()
+        answer = yield o.f()
+        self.assertEqual(answer, 42)
+
+    @gen_test
+    def test_async_await(self):
+        class Object(object):
+            def __init__(self):
+                self.executor = futures.thread.ThreadPoolExecutor(1)
+
+            @run_on_executor()
+            def f(self):
+                return 42
+
+        o = Object()
+
+        async def f():
+            answer = await o.f()
+            return answer
+
+        result = yield f()
+        self.assertEqual(result, 42)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/venv/lib/python3.7/site-packages/tornado/test/csv_translations/fr_FR.csv b/venv/lib/python3.7/site-packages/tornado/test/csv_translations/fr_FR.csv
new file mode 100644
index 0000000..6321b6e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/csv_translations/fr_FR.csv
@@ -0,0 +1 @@
+"school","école"
diff --git a/venv/lib/python3.7/site-packages/tornado/test/curl_httpclient_test.py b/venv/lib/python3.7/site-packages/tornado/test/curl_httpclient_test.py
new file mode 100644
index 0000000..ccb19fe
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/curl_httpclient_test.py
@@ -0,0 +1,130 @@
+# coding: utf-8
+from hashlib import md5
+import unittest
+
+from tornado.escape import utf8
+from tornado.testing import AsyncHTTPTestCase
+from tornado.test import httpclient_test
+from tornado.web import Application, RequestHandler
+
+
+try:
+    import pycurl  # type: ignore
+except ImportError:
+    pycurl = None
+
+if pycurl is not None:
+    from tornado.curl_httpclient import CurlAsyncHTTPClient
+
+
+@unittest.skipIf(pycurl is None, "pycurl module not present")
+class CurlHTTPClientCommonTestCase(httpclient_test.HTTPClientCommonTestCase):
+    def get_http_client(self):
+        client = CurlAsyncHTTPClient(defaults=dict(allow_ipv6=False))
+        # make sure AsyncHTTPClient magic doesn't give us the wrong class
+        self.assertTrue(isinstance(client, CurlAsyncHTTPClient))
+        return client
+
+
+class DigestAuthHandler(RequestHandler):
+    def initialize(self, username, password):
+        self.username = username
+        self.password = password
+
+    def get(self):
+        realm = "test"
+        opaque = "asdf"
+        # Real implementations would use a random nonce.
+        nonce = "1234"
+
+        auth_header = self.request.headers.get("Authorization", None)
+        if auth_header is not None:
+            auth_mode, params = auth_header.split(" ", 1)
+            assert auth_mode == "Digest"
+            param_dict = {}
+            for pair in params.split(","):
+                k, v = pair.strip().split("=", 1)
+                if v[0] == '"' and v[-1] == '"':
+                    v = v[1:-1]
+                param_dict[k] = v
+            assert param_dict["realm"] == realm
+            assert param_dict["opaque"] == opaque
+            assert param_dict["nonce"] == nonce
+            assert param_dict["username"] == self.username
+            assert param_dict["uri"] == self.request.path
+            h1 = md5(
+                utf8("%s:%s:%s" % (self.username, realm, self.password))
+            ).hexdigest()
+            h2 = md5(
+                utf8("%s:%s" % (self.request.method, self.request.path))
+            ).hexdigest()
+            digest = md5(utf8("%s:%s:%s" % (h1, nonce, h2))).hexdigest()
+            if digest == param_dict["response"]:
+                self.write("ok")
+            else:
+                self.write("fail")
+        else:
+            self.set_status(401)
+            self.set_header(
+                "WWW-Authenticate",
+                'Digest realm="%s", nonce="%s", opaque="%s"' % (realm, nonce, opaque),
+            )
+
+
+class CustomReasonHandler(RequestHandler):
+    def get(self):
+        self.set_status(200, "Custom reason")
+
+
+class CustomFailReasonHandler(RequestHandler):
+    def get(self):
+        self.set_status(400, "Custom reason")
+
+
+@unittest.skipIf(pycurl is None, "pycurl module not present")
+class CurlHTTPClientTestCase(AsyncHTTPTestCase):
+    def setUp(self):
+        super(CurlHTTPClientTestCase, self).setUp()
+        self.http_client = self.create_client()
+
+    def get_app(self):
+        return Application(
+            [
+                ("/digest", DigestAuthHandler, {"username": "foo", "password": "bar"}),
+                (
+                    "/digest_non_ascii",
+                    DigestAuthHandler,
+                    {"username": "foo", "password": "barユ£"},
+                ),
+                ("/custom_reason", CustomReasonHandler),
+                ("/custom_fail_reason", CustomFailReasonHandler),
+            ]
+        )
+
+    def create_client(self, **kwargs):
+        return CurlAsyncHTTPClient(
+            force_instance=True, defaults=dict(allow_ipv6=False), **kwargs
+        )
+
+    def test_digest_auth(self):
+        response = self.fetch(
+            "/digest", auth_mode="digest", auth_username="foo", auth_password="bar"
+        )
+        self.assertEqual(response.body, b"ok")
+
+    def test_custom_reason(self):
+        response = self.fetch("/custom_reason")
+        self.assertEqual(response.reason, "Custom reason")
+
+    def test_fail_custom_reason(self):
+        response = self.fetch("/custom_fail_reason")
+        self.assertEqual(str(response.error), "HTTP 400: Custom reason")
+
+    def test_digest_auth_non_ascii(self):
+        response = self.fetch(
+            "/digest_non_ascii",
+            auth_mode="digest",
+            auth_username="foo",
+            auth_password="barユ£",
+        )
+        self.assertEqual(response.body, b"ok")
diff --git a/venv/lib/python3.7/site-packages/tornado/test/escape_test.py b/venv/lib/python3.7/site-packages/tornado/test/escape_test.py
new file mode 100644
index 0000000..d8f95e4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/escape_test.py
@@ -0,0 +1,322 @@
+import unittest
+
+import tornado.escape
+from tornado.escape import (
+    utf8,
+    xhtml_escape,
+    xhtml_unescape,
+    url_escape,
+    url_unescape,
+    to_unicode,
+    json_decode,
+    json_encode,
+    squeeze,
+    recursive_unicode,
+)
+from tornado.util import unicode_type
+
+from typing import List, Tuple, Union, Dict, Any  # noqa: F401
+
+linkify_tests = [
+    # (input, linkify_kwargs, expected_output)
+    (
+        "hello http://world.com/!",
+        {},
+        u'hello http://world.com/!',
+    ),
+    (
+        "hello http://world.com/with?param=true&stuff=yes",
+        {},
+        u'hello http://world.com/with?param=true&stuff=yes',  # noqa: E501
+    ),
+    # an opened paren followed by many chars killed Gruber's regex
+    (
+        "http://url.com/w(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+        {},
+        u'http://url.com/w(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',  # noqa: E501
+    ),
+    # as did too many dots at the end
+    (
+        "http://url.com/withmany.......................................",
+        {},
+        u'http://url.com/withmany.......................................',  # noqa: E501
+    ),
+    (
+        "http://url.com/withmany((((((((((((((((((((((((((((((((((a)",
+        {},
+        u'http://url.com/withmany((((((((((((((((((((((((((((((((((a)',  # noqa: E501
+    ),
+    # some examples from http://daringfireball.net/2009/11/liberal_regex_for_matching_urls
+    # plus a fex extras (such as multiple parentheses).
+    (
+        "http://foo.com/blah_blah",
+        {},
+        u'http://foo.com/blah_blah',
+    ),
+    (
+        "http://foo.com/blah_blah/",
+        {},
+        u'http://foo.com/blah_blah/',
+    ),
+    (
+        "(Something like http://foo.com/blah_blah)",
+        {},
+        u'(Something like http://foo.com/blah_blah)',
+    ),
+    (
+        "http://foo.com/blah_blah_(wikipedia)",
+        {},
+        u'http://foo.com/blah_blah_(wikipedia)',
+    ),
+    (
+        "http://foo.com/blah_(blah)_(wikipedia)_blah",
+        {},
+        u'http://foo.com/blah_(blah)_(wikipedia)_blah',  # noqa: E501
+    ),
+    (
+        "(Something like http://foo.com/blah_blah_(wikipedia))",
+        {},
+        u'(Something like http://foo.com/blah_blah_(wikipedia))',  # noqa: E501
+    ),
+    (
+        "http://foo.com/blah_blah.",
+        {},
+        u'http://foo.com/blah_blah.',
+    ),
+    (
+        "http://foo.com/blah_blah/.",
+        {},
+        u'http://foo.com/blah_blah/.',
+    ),
+    (
+        "",
+        {},
+        u'<http://foo.com/blah_blah>',
+    ),
+    (
+        "",
+        {},
+        u'<http://foo.com/blah_blah/>',
+    ),
+    (
+        "http://foo.com/blah_blah,",
+        {},
+        u'http://foo.com/blah_blah,',
+    ),
+    (
+        "http://www.example.com/wpstyle/?p=364.",
+        {},
+        u'http://www.example.com/wpstyle/?p=364.',  # noqa: E501
+    ),
+    (
+        "rdar://1234",
+        {"permitted_protocols": ["http", "rdar"]},
+        u'rdar://1234',
+    ),
+    (
+        "rdar:/1234",
+        {"permitted_protocols": ["rdar"]},
+        u'rdar:/1234',
+    ),
+    (
+        "http://userid:password@example.com:8080",
+        {},
+        u'http://userid:password@example.com:8080',  # noqa: E501
+    ),
+    (
+        "http://userid@example.com",
+        {},
+        u'http://userid@example.com',
+    ),
+    (
+        "http://userid@example.com:8080",
+        {},
+        u'http://userid@example.com:8080',
+    ),
+    (
+        "http://userid:password@example.com",
+        {},
+        u'http://userid:password@example.com',
+    ),
+    (
+        "message://%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e",
+        {"permitted_protocols": ["http", "message"]},
+        u''
+        u"message://%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e",
+    ),
+    (
+        u"http://\u27a1.ws/\u4a39",
+        {},
+        u'http://\u27a1.ws/\u4a39',
+    ),
+    (
+        "http://example.com",
+        {},
+        u'<tag>http://example.com</tag>',
+    ),
+    (
+        "Just a www.example.com link.",
+        {},
+        u'Just a www.example.com link.',
+    ),
+    (
+        "Just a www.example.com link.",
+        {"require_protocol": True},
+        u"Just a www.example.com link.",
+    ),
+    (
+        "A http://reallylong.com/link/that/exceedsthelenglimit.html",
+        {"require_protocol": True, "shorten": True},
+        u'A http://reallylong.com/link...',  # noqa: E501
+    ),
+    (
+        "A http://reallylongdomainnamethatwillbetoolong.com/hi!",
+        {"shorten": True},
+        u'A http://reallylongdomainnametha...!',  # noqa: E501
+    ),
+    (
+        "A file:///passwords.txt and http://web.com link",
+        {},
+        u'A file:///passwords.txt and http://web.com link',
+    ),
+    (
+        "A file:///passwords.txt and http://web.com link",
+        {"permitted_protocols": ["file"]},
+        u'A file:///passwords.txt and http://web.com link',
+    ),
+    (
+        "www.external-link.com",
+        {"extra_params": 'rel="nofollow" class="external"'},
+        u'www.external-link.com',  # noqa: E501
+    ),
+    (
+        "www.external-link.com and www.internal-link.com/blogs extra",
+        {
+            "extra_params": lambda href: 'class="internal"'
+            if href.startswith("http://www.internal-link.com")
+            else 'rel="nofollow" class="external"'
+        },
+        u'www.external-link.com'  # noqa: E501
+        u' and www.internal-link.com/blogs extra',  # noqa: E501
+    ),
+    (
+        "www.external-link.com",
+        {"extra_params": lambda href: '    rel="nofollow" class="external"  '},
+        u'www.external-link.com',  # noqa: E501
+    ),
+]  # type: List[Tuple[Union[str, bytes], Dict[str, Any], str]]
+
+
+class EscapeTestCase(unittest.TestCase):
+    def test_linkify(self):
+        for text, kwargs, html in linkify_tests:
+            linked = tornado.escape.linkify(text, **kwargs)
+            self.assertEqual(linked, html)
+
+    def test_xhtml_escape(self):
+        tests = [
+            ("", "<foo>"),
+            (u"", u"<foo>"),
+            (b"", b"<foo>"),
+            ("<>&\"'", "<>&"'"),
+            ("&", "&amp;"),
+            (u"<\u00e9>", u"<\u00e9>"),
+            (b"<\xc3\xa9>", b"<\xc3\xa9>"),
+        ]  # type: List[Tuple[Union[str, bytes], Union[str, bytes]]]
+        for unescaped, escaped in tests:
+            self.assertEqual(utf8(xhtml_escape(unescaped)), utf8(escaped))
+            self.assertEqual(utf8(unescaped), utf8(xhtml_unescape(escaped)))
+
+    def test_xhtml_unescape_numeric(self):
+        tests = [
+            ("foo bar", "foo bar"),
+            ("foo bar", "foo bar"),
+            ("foo bar", "foo bar"),
+            ("foo઼bar", u"foo\u0abcbar"),
+            ("foo&#xyz;bar", "foo&#xyz;bar"),  # invalid encoding
+            ("foo&#;bar", "foo&#;bar"),  # invalid encoding
+            ("foo&#x;bar", "foo&#x;bar"),  # invalid encoding
+        ]
+        for escaped, unescaped in tests:
+            self.assertEqual(unescaped, xhtml_unescape(escaped))
+
+    def test_url_escape_unicode(self):
+        tests = [
+            # byte strings are passed through as-is
+            (u"\u00e9".encode("utf8"), "%C3%A9"),
+            (u"\u00e9".encode("latin1"), "%E9"),
+            # unicode strings become utf8
+            (u"\u00e9", "%C3%A9"),
+        ]  # type: List[Tuple[Union[str, bytes], str]]
+        for unescaped, escaped in tests:
+            self.assertEqual(url_escape(unescaped), escaped)
+
+    def test_url_unescape_unicode(self):
+        tests = [
+            ("%C3%A9", u"\u00e9", "utf8"),
+            ("%C3%A9", u"\u00c3\u00a9", "latin1"),
+            ("%C3%A9", utf8(u"\u00e9"), None),
+        ]
+        for escaped, unescaped, encoding in tests:
+            # input strings to url_unescape should only contain ascii
+            # characters, but make sure the function accepts both byte
+            # and unicode strings.
+            self.assertEqual(url_unescape(to_unicode(escaped), encoding), unescaped)
+            self.assertEqual(url_unescape(utf8(escaped), encoding), unescaped)
+
+    def test_url_escape_quote_plus(self):
+        unescaped = "+ #%"
+        plus_escaped = "%2B+%23%25"
+        escaped = "%2B%20%23%25"
+        self.assertEqual(url_escape(unescaped), plus_escaped)
+        self.assertEqual(url_escape(unescaped, plus=False), escaped)
+        self.assertEqual(url_unescape(plus_escaped), unescaped)
+        self.assertEqual(url_unescape(escaped, plus=False), unescaped)
+        self.assertEqual(url_unescape(plus_escaped, encoding=None), utf8(unescaped))
+        self.assertEqual(
+            url_unescape(escaped, encoding=None, plus=False), utf8(unescaped)
+        )
+
+    def test_escape_return_types(self):
+        # On python2 the escape methods should generally return the same
+        # type as their argument
+        self.assertEqual(type(xhtml_escape("foo")), str)
+        self.assertEqual(type(xhtml_escape(u"foo")), unicode_type)
+
+    def test_json_decode(self):
+        # json_decode accepts both bytes and unicode, but strings it returns
+        # are always unicode.
+        self.assertEqual(json_decode(b'"foo"'), u"foo")
+        self.assertEqual(json_decode(u'"foo"'), u"foo")
+
+        # Non-ascii bytes are interpreted as utf8
+        self.assertEqual(json_decode(utf8(u'"\u00e9"')), u"\u00e9")
+
+    def test_json_encode(self):
+        # json deals with strings, not bytes.  On python 2 byte strings will
+        # convert automatically if they are utf8; on python 3 byte strings
+        # are not allowed.
+        self.assertEqual(json_decode(json_encode(u"\u00e9")), u"\u00e9")
+        if bytes is str:
+            self.assertEqual(json_decode(json_encode(utf8(u"\u00e9"))), u"\u00e9")
+            self.assertRaises(UnicodeDecodeError, json_encode, b"\xe9")
+
+    def test_squeeze(self):
+        self.assertEqual(
+            squeeze(u"sequences     of    whitespace   chars"),
+            u"sequences of whitespace chars",
+        )
+
+    def test_recursive_unicode(self):
+        tests = {
+            "dict": {b"foo": b"bar"},
+            "list": [b"foo", b"bar"],
+            "tuple": (b"foo", b"bar"),
+            "bytes": b"foo",
+        }
+        self.assertEqual(recursive_unicode(tests["dict"]), {u"foo": u"bar"})
+        self.assertEqual(recursive_unicode(tests["list"]), [u"foo", u"bar"])
+        self.assertEqual(recursive_unicode(tests["tuple"]), (u"foo", u"bar"))
+        self.assertEqual(recursive_unicode(tests["bytes"]), u"foo")
diff --git a/venv/lib/python3.7/site-packages/tornado/test/gen_test.py b/venv/lib/python3.7/site-packages/tornado/test/gen_test.py
new file mode 100644
index 0000000..659e226
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/gen_test.py
@@ -0,0 +1,1111 @@
+import asyncio
+from concurrent import futures
+import gc
+import datetime
+import platform
+import sys
+import time
+import weakref
+import unittest
+
+from tornado.concurrent import Future
+from tornado.log import app_log
+from tornado.testing import AsyncHTTPTestCase, AsyncTestCase, ExpectLog, gen_test
+from tornado.test.util import skipOnTravis, skipNotCPython
+from tornado.web import Application, RequestHandler, HTTPError
+
+from tornado import gen
+
+try:
+    import contextvars
+except ImportError:
+    contextvars = None  # type: ignore
+
+import typing
+
+if typing.TYPE_CHECKING:
+    from typing import List, Optional  # noqa: F401
+
+
+class GenBasicTest(AsyncTestCase):
+    @gen.coroutine
+    def delay(self, iterations, arg):
+        """Returns arg after a number of IOLoop iterations."""
+        for i in range(iterations):
+            yield gen.moment
+        raise gen.Return(arg)
+
+    @gen.coroutine
+    def async_future(self, result):
+        yield gen.moment
+        return result
+
+    @gen.coroutine
+    def async_exception(self, e):
+        yield gen.moment
+        raise e
+
+    @gen.coroutine
+    def add_one_async(self, x):
+        yield gen.moment
+        raise gen.Return(x + 1)
+
+    def test_no_yield(self):
+        @gen.coroutine
+        def f():
+            pass
+
+        self.io_loop.run_sync(f)
+
+    def test_exception_phase1(self):
+        @gen.coroutine
+        def f():
+            1 / 0
+
+        self.assertRaises(ZeroDivisionError, self.io_loop.run_sync, f)
+
+    def test_exception_phase2(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            1 / 0
+
+        self.assertRaises(ZeroDivisionError, self.io_loop.run_sync, f)
+
+    def test_bogus_yield(self):
+        @gen.coroutine
+        def f():
+            yield 42
+
+        self.assertRaises(gen.BadYieldError, self.io_loop.run_sync, f)
+
+    def test_bogus_yield_tuple(self):
+        @gen.coroutine
+        def f():
+            yield (1, 2)
+
+        self.assertRaises(gen.BadYieldError, self.io_loop.run_sync, f)
+
+    def test_reuse(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+
+        self.io_loop.run_sync(f)
+        self.io_loop.run_sync(f)
+
+    def test_none(self):
+        @gen.coroutine
+        def f():
+            yield None
+
+        self.io_loop.run_sync(f)
+
+    def test_multi(self):
+        @gen.coroutine
+        def f():
+            results = yield [self.add_one_async(1), self.add_one_async(2)]
+            self.assertEqual(results, [2, 3])
+
+        self.io_loop.run_sync(f)
+
+    def test_multi_dict(self):
+        @gen.coroutine
+        def f():
+            results = yield dict(foo=self.add_one_async(1), bar=self.add_one_async(2))
+            self.assertEqual(results, dict(foo=2, bar=3))
+
+        self.io_loop.run_sync(f)
+
+    def test_multi_delayed(self):
+        @gen.coroutine
+        def f():
+            # callbacks run at different times
+            responses = yield gen.multi_future(
+                [self.delay(3, "v1"), self.delay(1, "v2")]
+            )
+            self.assertEqual(responses, ["v1", "v2"])
+
+        self.io_loop.run_sync(f)
+
+    def test_multi_dict_delayed(self):
+        @gen.coroutine
+        def f():
+            # callbacks run at different times
+            responses = yield gen.multi_future(
+                dict(foo=self.delay(3, "v1"), bar=self.delay(1, "v2"))
+            )
+            self.assertEqual(responses, dict(foo="v1", bar="v2"))
+
+        self.io_loop.run_sync(f)
+
+    @skipOnTravis
+    @gen_test
+    def test_multi_performance(self):
+        # Yielding a list used to have quadratic performance; make
+        # sure a large list stays reasonable.  On my laptop a list of
+        # 2000 used to take 1.8s, now it takes 0.12.
+        start = time.time()
+        yield [gen.moment for i in range(2000)]
+        end = time.time()
+        self.assertLess(end - start, 1.0)
+
+    @gen_test
+    def test_multi_empty(self):
+        # Empty lists or dicts should return the same type.
+        x = yield []
+        self.assertTrue(isinstance(x, list))
+        y = yield {}
+        self.assertTrue(isinstance(y, dict))
+
+    @gen_test
+    def test_future(self):
+        result = yield self.async_future(1)
+        self.assertEqual(result, 1)
+
+    @gen_test
+    def test_multi_future(self):
+        results = yield [self.async_future(1), self.async_future(2)]
+        self.assertEqual(results, [1, 2])
+
+    @gen_test
+    def test_multi_future_duplicate(self):
+        # Note that this doesn't work with native corotines, only with
+        # decorated coroutines.
+        f = self.async_future(2)
+        results = yield [self.async_future(1), f, self.async_future(3), f]
+        self.assertEqual(results, [1, 2, 3, 2])
+
+    @gen_test
+    def test_multi_dict_future(self):
+        results = yield dict(foo=self.async_future(1), bar=self.async_future(2))
+        self.assertEqual(results, dict(foo=1, bar=2))
+
+    @gen_test
+    def test_multi_exceptions(self):
+        with ExpectLog(app_log, "Multiple exceptions in yield list"):
+            with self.assertRaises(RuntimeError) as cm:
+                yield gen.Multi(
+                    [
+                        self.async_exception(RuntimeError("error 1")),
+                        self.async_exception(RuntimeError("error 2")),
+                    ]
+                )
+        self.assertEqual(str(cm.exception), "error 1")
+
+        # With only one exception, no error is logged.
+        with self.assertRaises(RuntimeError):
+            yield gen.Multi(
+                [self.async_exception(RuntimeError("error 1")), self.async_future(2)]
+            )
+
+        # Exception logging may be explicitly quieted.
+        with self.assertRaises(RuntimeError):
+            yield gen.Multi(
+                [
+                    self.async_exception(RuntimeError("error 1")),
+                    self.async_exception(RuntimeError("error 2")),
+                ],
+                quiet_exceptions=RuntimeError,
+            )
+
+    @gen_test
+    def test_multi_future_exceptions(self):
+        with ExpectLog(app_log, "Multiple exceptions in yield list"):
+            with self.assertRaises(RuntimeError) as cm:
+                yield [
+                    self.async_exception(RuntimeError("error 1")),
+                    self.async_exception(RuntimeError("error 2")),
+                ]
+        self.assertEqual(str(cm.exception), "error 1")
+
+        # With only one exception, no error is logged.
+        with self.assertRaises(RuntimeError):
+            yield [self.async_exception(RuntimeError("error 1")), self.async_future(2)]
+
+        # Exception logging may be explicitly quieted.
+        with self.assertRaises(RuntimeError):
+            yield gen.multi_future(
+                [
+                    self.async_exception(RuntimeError("error 1")),
+                    self.async_exception(RuntimeError("error 2")),
+                ],
+                quiet_exceptions=RuntimeError,
+            )
+
+    def test_sync_raise_return(self):
+        @gen.coroutine
+        def f():
+            raise gen.Return()
+
+        self.io_loop.run_sync(f)
+
+    def test_async_raise_return(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            raise gen.Return()
+
+        self.io_loop.run_sync(f)
+
+    def test_sync_raise_return_value(self):
+        @gen.coroutine
+        def f():
+            raise gen.Return(42)
+
+        self.assertEqual(42, self.io_loop.run_sync(f))
+
+    def test_sync_raise_return_value_tuple(self):
+        @gen.coroutine
+        def f():
+            raise gen.Return((1, 2))
+
+        self.assertEqual((1, 2), self.io_loop.run_sync(f))
+
+    def test_async_raise_return_value(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            raise gen.Return(42)
+
+        self.assertEqual(42, self.io_loop.run_sync(f))
+
+    def test_async_raise_return_value_tuple(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            raise gen.Return((1, 2))
+
+        self.assertEqual((1, 2), self.io_loop.run_sync(f))
+
+
+class GenCoroutineTest(AsyncTestCase):
+    def setUp(self):
+        # Stray StopIteration exceptions can lead to tests exiting prematurely,
+        # so we need explicit checks here to make sure the tests run all
+        # the way through.
+        self.finished = False
+        super(GenCoroutineTest, self).setUp()
+
+    def tearDown(self):
+        super(GenCoroutineTest, self).tearDown()
+        assert self.finished
+
+    def test_attributes(self):
+        self.finished = True
+
+        def f():
+            yield gen.moment
+
+        coro = gen.coroutine(f)
+        self.assertEqual(coro.__name__, f.__name__)
+        self.assertEqual(coro.__module__, f.__module__)
+        self.assertIs(coro.__wrapped__, f)  # type: ignore
+
+    def test_is_coroutine_function(self):
+        self.finished = True
+
+        def f():
+            yield gen.moment
+
+        coro = gen.coroutine(f)
+        self.assertFalse(gen.is_coroutine_function(f))
+        self.assertTrue(gen.is_coroutine_function(coro))
+        self.assertFalse(gen.is_coroutine_function(coro()))
+
+    @gen_test
+    def test_sync_gen_return(self):
+        @gen.coroutine
+        def f():
+            raise gen.Return(42)
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_async_gen_return(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            raise gen.Return(42)
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_sync_return(self):
+        @gen.coroutine
+        def f():
+            return 42
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_async_return(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            return 42
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_async_early_return(self):
+        # A yield statement exists but is not executed, which means
+        # this function "returns" via an exception.  This exception
+        # doesn't happen before the exception handling is set up.
+        @gen.coroutine
+        def f():
+            if True:
+                return 42
+            yield gen.Task(self.io_loop.add_callback)
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_async_await(self):
+        @gen.coroutine
+        def f1():
+            yield gen.moment
+            raise gen.Return(42)
+
+        # This test verifies that an async function can await a
+        # yield-based gen.coroutine, and that a gen.coroutine
+        # (the test method itself) can yield an async function.
+        async def f2():
+            result = await f1()
+            return result
+
+        result = yield f2()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_asyncio_sleep_zero(self):
+        # asyncio.sleep(0) turns into a special case (equivalent to
+        # `yield None`)
+        async def f():
+            import asyncio
+
+            await asyncio.sleep(0)
+            return 42
+
+        result = yield f()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_async_await_mixed_multi_native_future(self):
+        @gen.coroutine
+        def f1():
+            yield gen.moment
+
+        async def f2():
+            await f1()
+            return 42
+
+        @gen.coroutine
+        def f3():
+            yield gen.moment
+            raise gen.Return(43)
+
+        results = yield [f2(), f3()]
+        self.assertEqual(results, [42, 43])
+        self.finished = True
+
+    @gen_test
+    def test_async_with_timeout(self):
+        async def f1():
+            return 42
+
+        result = yield gen.with_timeout(datetime.timedelta(hours=1), f1())
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_sync_return_no_value(self):
+        @gen.coroutine
+        def f():
+            return
+
+        result = yield f()
+        self.assertEqual(result, None)
+        self.finished = True
+
+    @gen_test
+    def test_async_return_no_value(self):
+        # Without a return value we don't need python 3.3.
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            return
+
+        result = yield f()
+        self.assertEqual(result, None)
+        self.finished = True
+
+    @gen_test
+    def test_sync_raise(self):
+        @gen.coroutine
+        def f():
+            1 / 0
+
+        # The exception is raised when the future is yielded
+        # (or equivalently when its result method is called),
+        # not when the function itself is called).
+        future = f()
+        with self.assertRaises(ZeroDivisionError):
+            yield future
+        self.finished = True
+
+    @gen_test
+    def test_async_raise(self):
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            1 / 0
+
+        future = f()
+        with self.assertRaises(ZeroDivisionError):
+            yield future
+        self.finished = True
+
+    @gen_test
+    def test_replace_yieldpoint_exception(self):
+        # Test exception handling: a coroutine can catch one exception
+        # raised by a yield point and raise a different one.
+        @gen.coroutine
+        def f1():
+            1 / 0
+
+        @gen.coroutine
+        def f2():
+            try:
+                yield f1()
+            except ZeroDivisionError:
+                raise KeyError()
+
+        future = f2()
+        with self.assertRaises(KeyError):
+            yield future
+        self.finished = True
+
+    @gen_test
+    def test_swallow_yieldpoint_exception(self):
+        # Test exception handling: a coroutine can catch an exception
+        # raised by a yield point and not raise a different one.
+        @gen.coroutine
+        def f1():
+            1 / 0
+
+        @gen.coroutine
+        def f2():
+            try:
+                yield f1()
+            except ZeroDivisionError:
+                raise gen.Return(42)
+
+        result = yield f2()
+        self.assertEqual(result, 42)
+        self.finished = True
+
+    @gen_test
+    def test_moment(self):
+        calls = []
+
+        @gen.coroutine
+        def f(name, yieldable):
+            for i in range(5):
+                calls.append(name)
+                yield yieldable
+
+        # First, confirm the behavior without moment: each coroutine
+        # monopolizes the event loop until it finishes.
+        immediate = Future()  # type: Future[None]
+        immediate.set_result(None)
+        yield [f("a", immediate), f("b", immediate)]
+        self.assertEqual("".join(calls), "aaaaabbbbb")
+
+        # With moment, they take turns.
+        calls = []
+        yield [f("a", gen.moment), f("b", gen.moment)]
+        self.assertEqual("".join(calls), "ababababab")
+        self.finished = True
+
+        calls = []
+        yield [f("a", gen.moment), f("b", immediate)]
+        self.assertEqual("".join(calls), "abbbbbaaaa")
+
+    @gen_test
+    def test_sleep(self):
+        yield gen.sleep(0.01)
+        self.finished = True
+
+    @gen_test
+    def test_py3_leak_exception_context(self):
+        class LeakedException(Exception):
+            pass
+
+        @gen.coroutine
+        def inner(iteration):
+            raise LeakedException(iteration)
+
+        try:
+            yield inner(1)
+        except LeakedException as e:
+            self.assertEqual(str(e), "1")
+            self.assertIsNone(e.__context__)
+
+        try:
+            yield inner(2)
+        except LeakedException as e:
+            self.assertEqual(str(e), "2")
+            self.assertIsNone(e.__context__)
+
+        self.finished = True
+
+    @skipNotCPython
+    @unittest.skipIf(
+        (3,) < sys.version_info < (3, 6), "asyncio.Future has reference cycles"
+    )
+    def test_coroutine_refcounting(self):
+        # On CPython, tasks and their arguments should be released immediately
+        # without waiting for garbage collection.
+        @gen.coroutine
+        def inner():
+            class Foo(object):
+                pass
+
+            local_var = Foo()
+            self.local_ref = weakref.ref(local_var)
+
+            def dummy():
+                pass
+
+            yield gen.coroutine(dummy)()
+            raise ValueError("Some error")
+
+        @gen.coroutine
+        def inner2():
+            try:
+                yield inner()
+            except ValueError:
+                pass
+
+        self.io_loop.run_sync(inner2, timeout=3)
+
+        self.assertIs(self.local_ref(), None)
+        self.finished = True
+
+    def test_asyncio_future_debug_info(self):
+        self.finished = True
+        # Enable debug mode
+        asyncio_loop = asyncio.get_event_loop()
+        self.addCleanup(asyncio_loop.set_debug, asyncio_loop.get_debug())
+        asyncio_loop.set_debug(True)
+
+        def f():
+            yield gen.moment
+
+        coro = gen.coroutine(f)()
+        self.assertIsInstance(coro, asyncio.Future)
+        # We expect the coroutine repr() to show the place where
+        # it was instantiated
+        expected = "created at %s:%d" % (__file__, f.__code__.co_firstlineno + 3)
+        actual = repr(coro)
+        self.assertIn(expected, actual)
+
+    @gen_test
+    def test_asyncio_gather(self):
+        # This demonstrates that tornado coroutines can be understood
+        # by asyncio (This failed prior to Tornado 5.0).
+        @gen.coroutine
+        def f():
+            yield gen.moment
+            raise gen.Return(1)
+
+        ret = yield asyncio.gather(f(), f())
+        self.assertEqual(ret, [1, 1])
+        self.finished = True
+
+
+class GenCoroutineSequenceHandler(RequestHandler):
+    @gen.coroutine
+    def get(self):
+        yield gen.moment
+        self.write("1")
+        yield gen.moment
+        self.write("2")
+        yield gen.moment
+        self.finish("3")
+
+
+class GenCoroutineUnfinishedSequenceHandler(RequestHandler):
+    @gen.coroutine
+    def get(self):
+        yield gen.moment
+        self.write("1")
+        yield gen.moment
+        self.write("2")
+        yield gen.moment
+        # just write, don't finish
+        self.write("3")
+
+
+# "Undecorated" here refers to the absence of @asynchronous.
+class UndecoratedCoroutinesHandler(RequestHandler):
+    @gen.coroutine
+    def prepare(self):
+        self.chunks = []  # type: List[str]
+        yield gen.moment
+        self.chunks.append("1")
+
+    @gen.coroutine
+    def get(self):
+        self.chunks.append("2")
+        yield gen.moment
+        self.chunks.append("3")
+        yield gen.moment
+        self.write("".join(self.chunks))
+
+
+class AsyncPrepareErrorHandler(RequestHandler):
+    @gen.coroutine
+    def prepare(self):
+        yield gen.moment
+        raise HTTPError(403)
+
+    def get(self):
+        self.finish("ok")
+
+
+class NativeCoroutineHandler(RequestHandler):
+    async def get(self):
+        await asyncio.sleep(0)
+        self.write("ok")
+
+
+class GenWebTest(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application(
+            [
+                ("/coroutine_sequence", GenCoroutineSequenceHandler),
+                (
+                    "/coroutine_unfinished_sequence",
+                    GenCoroutineUnfinishedSequenceHandler,
+                ),
+                ("/undecorated_coroutine", UndecoratedCoroutinesHandler),
+                ("/async_prepare_error", AsyncPrepareErrorHandler),
+                ("/native_coroutine", NativeCoroutineHandler),
+            ]
+        )
+
+    def test_coroutine_sequence_handler(self):
+        response = self.fetch("/coroutine_sequence")
+        self.assertEqual(response.body, b"123")
+
+    def test_coroutine_unfinished_sequence_handler(self):
+        response = self.fetch("/coroutine_unfinished_sequence")
+        self.assertEqual(response.body, b"123")
+
+    def test_undecorated_coroutines(self):
+        response = self.fetch("/undecorated_coroutine")
+        self.assertEqual(response.body, b"123")
+
+    def test_async_prepare_error_handler(self):
+        response = self.fetch("/async_prepare_error")
+        self.assertEqual(response.code, 403)
+
+    def test_native_coroutine_handler(self):
+        response = self.fetch("/native_coroutine")
+        self.assertEqual(response.code, 200)
+        self.assertEqual(response.body, b"ok")
+
+
+class WithTimeoutTest(AsyncTestCase):
+    @gen_test
+    def test_timeout(self):
+        with self.assertRaises(gen.TimeoutError):
+            yield gen.with_timeout(datetime.timedelta(seconds=0.1), Future())
+
+    @gen_test
+    def test_completes_before_timeout(self):
+        future = Future()  # type: Future[str]
+        self.io_loop.add_timeout(
+            datetime.timedelta(seconds=0.1), lambda: future.set_result("asdf")
+        )
+        result = yield gen.with_timeout(datetime.timedelta(seconds=3600), future)
+        self.assertEqual(result, "asdf")
+
+    @gen_test
+    def test_fails_before_timeout(self):
+        future = Future()  # type: Future[str]
+        self.io_loop.add_timeout(
+            datetime.timedelta(seconds=0.1),
+            lambda: future.set_exception(ZeroDivisionError()),
+        )
+        with self.assertRaises(ZeroDivisionError):
+            yield gen.with_timeout(datetime.timedelta(seconds=3600), future)
+
+    @gen_test
+    def test_already_resolved(self):
+        future = Future()  # type: Future[str]
+        future.set_result("asdf")
+        result = yield gen.with_timeout(datetime.timedelta(seconds=3600), future)
+        self.assertEqual(result, "asdf")
+
+    @gen_test
+    def test_timeout_concurrent_future(self):
+        # A concurrent future that does not resolve before the timeout.
+        with futures.ThreadPoolExecutor(1) as executor:
+            with self.assertRaises(gen.TimeoutError):
+                yield gen.with_timeout(
+                    self.io_loop.time(), executor.submit(time.sleep, 0.1)
+                )
+
+    @gen_test
+    def test_completed_concurrent_future(self):
+        # A concurrent future that is resolved before we even submit it
+        # to with_timeout.
+        with futures.ThreadPoolExecutor(1) as executor:
+
+            def dummy():
+                pass
+
+            f = executor.submit(dummy)
+            f.result()  # wait for completion
+            yield gen.with_timeout(datetime.timedelta(seconds=3600), f)
+
+    @gen_test
+    def test_normal_concurrent_future(self):
+        # A conccurrent future that resolves while waiting for the timeout.
+        with futures.ThreadPoolExecutor(1) as executor:
+            yield gen.with_timeout(
+                datetime.timedelta(seconds=3600),
+                executor.submit(lambda: time.sleep(0.01)),
+            )
+
+
+class WaitIteratorTest(AsyncTestCase):
+    @gen_test
+    def test_empty_iterator(self):
+        g = gen.WaitIterator()
+        self.assertTrue(g.done(), "empty generator iterated")
+
+        with self.assertRaises(ValueError):
+            g = gen.WaitIterator(Future(), bar=Future())
+
+        self.assertEqual(g.current_index, None, "bad nil current index")
+        self.assertEqual(g.current_future, None, "bad nil current future")
+
+    @gen_test
+    def test_already_done(self):
+        f1 = Future()  # type: Future[int]
+        f2 = Future()  # type: Future[int]
+        f3 = Future()  # type: Future[int]
+        f1.set_result(24)
+        f2.set_result(42)
+        f3.set_result(84)
+
+        g = gen.WaitIterator(f1, f2, f3)
+        i = 0
+        while not g.done():
+            r = yield g.next()
+            # Order is not guaranteed, but the current implementation
+            # preserves ordering of already-done Futures.
+            if i == 0:
+                self.assertEqual(g.current_index, 0)
+                self.assertIs(g.current_future, f1)
+                self.assertEqual(r, 24)
+            elif i == 1:
+                self.assertEqual(g.current_index, 1)
+                self.assertIs(g.current_future, f2)
+                self.assertEqual(r, 42)
+            elif i == 2:
+                self.assertEqual(g.current_index, 2)
+                self.assertIs(g.current_future, f3)
+                self.assertEqual(r, 84)
+            i += 1
+
+        self.assertEqual(g.current_index, None, "bad nil current index")
+        self.assertEqual(g.current_future, None, "bad nil current future")
+
+        dg = gen.WaitIterator(f1=f1, f2=f2)
+
+        while not dg.done():
+            dr = yield dg.next()
+            if dg.current_index == "f1":
+                self.assertTrue(
+                    dg.current_future == f1 and dr == 24,
+                    "WaitIterator dict status incorrect",
+                )
+            elif dg.current_index == "f2":
+                self.assertTrue(
+                    dg.current_future == f2 and dr == 42,
+                    "WaitIterator dict status incorrect",
+                )
+            else:
+                self.fail("got bad WaitIterator index {}".format(dg.current_index))
+
+            i += 1
+
+        self.assertEqual(dg.current_index, None, "bad nil current index")
+        self.assertEqual(dg.current_future, None, "bad nil current future")
+
+    def finish_coroutines(self, iteration, futures):
+        if iteration == 3:
+            futures[2].set_result(24)
+        elif iteration == 5:
+            futures[0].set_exception(ZeroDivisionError())
+        elif iteration == 8:
+            futures[1].set_result(42)
+            futures[3].set_result(84)
+
+        if iteration < 8:
+            self.io_loop.add_callback(self.finish_coroutines, iteration + 1, futures)
+
+    @gen_test
+    def test_iterator(self):
+        futures = [Future(), Future(), Future(), Future()]  # type: List[Future[int]]
+
+        self.finish_coroutines(0, futures)
+
+        g = gen.WaitIterator(*futures)
+
+        i = 0
+        while not g.done():
+            try:
+                r = yield g.next()
+            except ZeroDivisionError:
+                self.assertIs(g.current_future, futures[0], "exception future invalid")
+            else:
+                if i == 0:
+                    self.assertEqual(r, 24, "iterator value incorrect")
+                    self.assertEqual(g.current_index, 2, "wrong index")
+                elif i == 2:
+                    self.assertEqual(r, 42, "iterator value incorrect")
+                    self.assertEqual(g.current_index, 1, "wrong index")
+                elif i == 3:
+                    self.assertEqual(r, 84, "iterator value incorrect")
+                    self.assertEqual(g.current_index, 3, "wrong index")
+            i += 1
+
+    @gen_test
+    def test_iterator_async_await(self):
+        # Recreate the previous test with py35 syntax. It's a little clunky
+        # because of the way the previous test handles an exception on
+        # a single iteration.
+        futures = [Future(), Future(), Future(), Future()]  # type: List[Future[int]]
+        self.finish_coroutines(0, futures)
+        self.finished = False
+
+        async def f():
+            i = 0
+            g = gen.WaitIterator(*futures)
+            try:
+                async for r in g:
+                    if i == 0:
+                        self.assertEqual(r, 24, "iterator value incorrect")
+                        self.assertEqual(g.current_index, 2, "wrong index")
+                    else:
+                        raise Exception("expected exception on iteration 1")
+                    i += 1
+            except ZeroDivisionError:
+                i += 1
+            async for r in g:
+                if i == 2:
+                    self.assertEqual(r, 42, "iterator value incorrect")
+                    self.assertEqual(g.current_index, 1, "wrong index")
+                elif i == 3:
+                    self.assertEqual(r, 84, "iterator value incorrect")
+                    self.assertEqual(g.current_index, 3, "wrong index")
+                else:
+                    raise Exception("didn't expect iteration %d" % i)
+                i += 1
+            self.finished = True
+
+        yield f()
+        self.assertTrue(self.finished)
+
+    @gen_test
+    def test_no_ref(self):
+        # In this usage, there is no direct hard reference to the
+        # WaitIterator itself, only the Future it returns. Since
+        # WaitIterator uses weak references internally to improve GC
+        # performance, this used to cause problems.
+        yield gen.with_timeout(
+            datetime.timedelta(seconds=0.1), gen.WaitIterator(gen.sleep(0)).next()
+        )
+
+
+class RunnerGCTest(AsyncTestCase):
+    def is_pypy3(self):
+        return platform.python_implementation() == "PyPy" and sys.version_info > (3,)
+
+    @gen_test
+    def test_gc(self):
+        # Github issue 1769: Runner objects can get GCed unexpectedly
+        # while their future is alive.
+        weakref_scope = [None]  # type: List[Optional[weakref.ReferenceType]]
+
+        def callback():
+            gc.collect(2)
+            weakref_scope[0]().set_result(123)  # type: ignore
+
+        @gen.coroutine
+        def tester():
+            fut = Future()  # type: Future[int]
+            weakref_scope[0] = weakref.ref(fut)
+            self.io_loop.add_callback(callback)
+            yield fut
+
+        yield gen.with_timeout(datetime.timedelta(seconds=0.2), tester())
+
+    def test_gc_infinite_coro(self):
+        # Github issue 2229: suspended coroutines should be GCed when
+        # their loop is closed, even if they're involved in a reference
+        # cycle.
+        loop = self.get_new_ioloop()
+        result = []  # type: List[Optional[bool]]
+        wfut = []
+
+        @gen.coroutine
+        def infinite_coro():
+            try:
+                while True:
+                    yield gen.sleep(1e-3)
+                    result.append(True)
+            finally:
+                # coroutine finalizer
+                result.append(None)
+
+        @gen.coroutine
+        def do_something():
+            fut = infinite_coro()
+            fut._refcycle = fut  # type: ignore
+            wfut.append(weakref.ref(fut))
+            yield gen.sleep(0.2)
+
+        loop.run_sync(do_something)
+        loop.close()
+        gc.collect()
+        # Future was collected
+        self.assertIs(wfut[0](), None)
+        # At least one wakeup
+        self.assertGreaterEqual(len(result), 2)
+        if not self.is_pypy3():
+            # coroutine finalizer was called (not on PyPy3 apparently)
+            self.assertIs(result[-1], None)
+
+    def test_gc_infinite_async_await(self):
+        # Same as test_gc_infinite_coro, but with a `async def` function
+        import asyncio
+
+        async def infinite_coro(result):
+            try:
+                while True:
+                    await gen.sleep(1e-3)
+                    result.append(True)
+            finally:
+                # coroutine finalizer
+                result.append(None)
+
+        loop = self.get_new_ioloop()
+        result = []  # type: List[Optional[bool]]
+        wfut = []
+
+        @gen.coroutine
+        def do_something():
+            fut = asyncio.get_event_loop().create_task(infinite_coro(result))
+            fut._refcycle = fut  # type: ignore
+            wfut.append(weakref.ref(fut))
+            yield gen.sleep(0.2)
+
+        loop.run_sync(do_something)
+        with ExpectLog("asyncio", "Task was destroyed but it is pending"):
+            loop.close()
+            gc.collect()
+        # Future was collected
+        self.assertIs(wfut[0](), None)
+        # At least one wakeup and one finally
+        self.assertGreaterEqual(len(result), 2)
+        if not self.is_pypy3():
+            # coroutine finalizer was called (not on PyPy3 apparently)
+            self.assertIs(result[-1], None)
+
+    def test_multi_moment(self):
+        # Test gen.multi with moment
+        # now that it's not a real Future
+        @gen.coroutine
+        def wait_a_moment():
+            result = yield gen.multi([gen.moment, gen.moment])
+            raise gen.Return(result)
+
+        loop = self.get_new_ioloop()
+        result = loop.run_sync(wait_a_moment)
+        self.assertEqual(result, [None, None])
+
+
+if contextvars is not None:
+    ctx_var = contextvars.ContextVar("ctx_var")  # type: contextvars.ContextVar[int]
+
+
+@unittest.skipIf(contextvars is None, "contextvars module not present")
+class ContextVarsTest(AsyncTestCase):
+    async def native_root(self, x):
+        ctx_var.set(x)
+        await self.inner(x)
+
+    @gen.coroutine
+    def gen_root(self, x):
+        ctx_var.set(x)
+        yield
+        yield self.inner(x)
+
+    async def inner(self, x):
+        self.assertEqual(ctx_var.get(), x)
+        await self.gen_inner(x)
+        self.assertEqual(ctx_var.get(), x)
+
+        # IOLoop.run_in_executor doesn't automatically copy context
+        ctx = contextvars.copy_context()
+        await self.io_loop.run_in_executor(None, lambda: ctx.run(self.thread_inner, x))
+        self.assertEqual(ctx_var.get(), x)
+
+        # Neither does asyncio's run_in_executor.
+        await asyncio.get_event_loop().run_in_executor(
+            None, lambda: ctx.run(self.thread_inner, x)
+        )
+        self.assertEqual(ctx_var.get(), x)
+
+    @gen.coroutine
+    def gen_inner(self, x):
+        self.assertEqual(ctx_var.get(), x)
+        yield
+        self.assertEqual(ctx_var.get(), x)
+
+    def thread_inner(self, x):
+        self.assertEqual(ctx_var.get(), x)
+
+    @gen_test
+    def test_propagate(self):
+        # Verify that context vars get propagated across various
+        # combinations of native and decorated coroutines.
+        yield [
+            self.native_root(1),
+            self.native_root(2),
+            self.gen_root(3),
+            self.gen_root(4),
+        ]
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.mo b/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.mo
new file mode 100644
index 0000000..a97bf9c
Binary files /dev/null and b/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.mo differ
diff --git a/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.po b/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.po
new file mode 100644
index 0000000..88d72c8
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/gettext_translations/fr_FR/LC_MESSAGES/tornado_test.po
@@ -0,0 +1,47 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR , YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-27 11:05+0300\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME \n"
+"Language-Team: LANGUAGE \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+#: extract_me.py:11
+msgid "school"
+msgstr "école"
+
+#: extract_me.py:12
+msgctxt "law"
+msgid "right"
+msgstr "le droit"
+
+#: extract_me.py:13
+msgctxt "good"
+msgid "right"
+msgstr "le bien"
+
+#: extract_me.py:14
+msgctxt "organization"
+msgid "club"
+msgid_plural "clubs"
+msgstr[0] "le club"
+msgstr[1] "les clubs"
+
+#: extract_me.py:15
+msgctxt "stick"
+msgid "club"
+msgid_plural "clubs"
+msgstr[0] "le bâton"
+msgstr[1] "les bâtons"
diff --git a/venv/lib/python3.7/site-packages/tornado/test/http1connection_test.py b/venv/lib/python3.7/site-packages/tornado/test/http1connection_test.py
new file mode 100644
index 0000000..023c02a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/http1connection_test.py
@@ -0,0 +1,58 @@
+import socket
+
+from tornado.http1connection import HTTP1Connection
+from tornado.httputil import HTTPMessageDelegate
+from tornado.iostream import IOStream
+from tornado.locks import Event
+from tornado.netutil import add_accept_handler
+from tornado.testing import AsyncTestCase, bind_unused_port, gen_test
+
+
+class HTTP1ConnectionTest(AsyncTestCase):
+    def setUp(self):
+        super(HTTP1ConnectionTest, self).setUp()
+        self.asyncSetUp()
+
+    @gen_test
+    def asyncSetUp(self):
+        listener, port = bind_unused_port()
+        event = Event()
+
+        def accept_callback(conn, addr):
+            self.server_stream = IOStream(conn)
+            self.addCleanup(self.server_stream.close)
+            event.set()
+
+        add_accept_handler(listener, accept_callback)
+        self.client_stream = IOStream(socket.socket())
+        self.addCleanup(self.client_stream.close)
+        yield [self.client_stream.connect(("127.0.0.1", port)), event.wait()]
+        self.io_loop.remove_handler(listener)
+        listener.close()
+
+    @gen_test
+    def test_http10_no_content_length(self):
+        # Regression test for a bug in which can_keep_alive would crash
+        # for an HTTP/1.0 (not 1.1) response with no content-length.
+        conn = HTTP1Connection(self.client_stream, True)
+        self.server_stream.write(b"HTTP/1.0 200 Not Modified\r\n\r\nhello")
+        self.server_stream.close()
+
+        event = Event()
+        test = self
+        body = []
+
+        class Delegate(HTTPMessageDelegate):
+            def headers_received(self, start_line, headers):
+                test.code = start_line.code
+
+            def data_received(self, data):
+                body.append(data)
+
+            def finish(self):
+                event.set()
+
+        yield conn.read_response(Delegate())
+        yield event.wait()
+        self.assertEqual(self.code, 200)
+        self.assertEqual(b"".join(body), b"hello")
diff --git a/venv/lib/python3.7/site-packages/tornado/test/httpclient_test.py b/venv/lib/python3.7/site-packages/tornado/test/httpclient_test.py
new file mode 100644
index 0000000..26a1ad7
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/httpclient_test.py
@@ -0,0 +1,832 @@
+# -*- coding: utf-8 -*-
+import base64
+import binascii
+from contextlib import closing
+import copy
+import threading
+import datetime
+from io import BytesIO
+import subprocess
+import sys
+import time
+import typing  # noqa: F401
+import unicodedata
+import unittest
+
+from tornado.escape import utf8, native_str, to_unicode
+from tornado import gen
+from tornado.httpclient import (
+    HTTPRequest,
+    HTTPResponse,
+    _RequestProxy,
+    HTTPError,
+    HTTPClient,
+)
+from tornado.httpserver import HTTPServer
+from tornado.ioloop import IOLoop
+from tornado.iostream import IOStream
+from tornado.log import gen_log, app_log
+from tornado import netutil
+from tornado.testing import AsyncHTTPTestCase, bind_unused_port, gen_test, ExpectLog
+from tornado.test.util import skipOnTravis
+from tornado.web import Application, RequestHandler, url
+from tornado.httputil import format_timestamp, HTTPHeaders
+
+
+class HelloWorldHandler(RequestHandler):
+    def get(self):
+        name = self.get_argument("name", "world")
+        self.set_header("Content-Type", "text/plain")
+        self.finish("Hello %s!" % name)
+
+
+class PostHandler(RequestHandler):
+    def post(self):
+        self.finish(
+            "Post arg1: %s, arg2: %s"
+            % (self.get_argument("arg1"), self.get_argument("arg2"))
+        )
+
+
+class PutHandler(RequestHandler):
+    def put(self):
+        self.write("Put body: ")
+        self.write(self.request.body)
+
+
+class RedirectHandler(RequestHandler):
+    def prepare(self):
+        self.write("redirects can have bodies too")
+        self.redirect(
+            self.get_argument("url"), status=int(self.get_argument("status", "302"))
+        )
+
+
+class RedirectWithoutLocationHandler(RequestHandler):
+    def prepare(self):
+        # For testing error handling of a redirect with no location header.
+        self.set_status(301)
+        self.finish()
+
+
+class ChunkHandler(RequestHandler):
+    @gen.coroutine
+    def get(self):
+        self.write("asdf")
+        self.flush()
+        # Wait a bit to ensure the chunks are sent and received separately.
+        yield gen.sleep(0.01)
+        self.write("qwer")
+
+
+class AuthHandler(RequestHandler):
+    def get(self):
+        self.finish(self.request.headers["Authorization"])
+
+
+class CountdownHandler(RequestHandler):
+    def get(self, count):
+        count = int(count)
+        if count > 0:
+            self.redirect(self.reverse_url("countdown", count - 1))
+        else:
+            self.write("Zero")
+
+
+class EchoPostHandler(RequestHandler):
+    def post(self):
+        self.write(self.request.body)
+
+
+class UserAgentHandler(RequestHandler):
+    def get(self):
+        self.write(self.request.headers.get("User-Agent", "User agent not set"))
+
+
+class ContentLength304Handler(RequestHandler):
+    def get(self):
+        self.set_status(304)
+        self.set_header("Content-Length", 42)
+
+    def _clear_headers_for_304(self):
+        # Tornado strips content-length from 304 responses, but here we
+        # want to simulate servers that include the headers anyway.
+        pass
+
+
+class PatchHandler(RequestHandler):
+    def patch(self):
+        "Return the request payload - so we can check it is being kept"
+        self.write(self.request.body)
+
+
+class AllMethodsHandler(RequestHandler):
+    SUPPORTED_METHODS = RequestHandler.SUPPORTED_METHODS + ("OTHER",)  # type: ignore
+
+    def method(self):
+        self.write(self.request.method)
+
+    get = head = post = put = delete = options = patch = other = method  # type: ignore
+
+
+class SetHeaderHandler(RequestHandler):
+    def get(self):
+        # Use get_arguments for keys to get strings, but
+        # request.arguments for values to get bytes.
+        for k, v in zip(self.get_arguments("k"), self.request.arguments["v"]):
+            self.set_header(k, v)
+
+
+# These tests end up getting run redundantly: once here with the default
+# HTTPClient implementation, and then again in each implementation's own
+# test suite.
+
+
+class HTTPClientCommonTestCase(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application(
+            [
+                url("/hello", HelloWorldHandler),
+                url("/post", PostHandler),
+                url("/put", PutHandler),
+                url("/redirect", RedirectHandler),
+                url("/redirect_without_location", RedirectWithoutLocationHandler),
+                url("/chunk", ChunkHandler),
+                url("/auth", AuthHandler),
+                url("/countdown/([0-9]+)", CountdownHandler, name="countdown"),
+                url("/echopost", EchoPostHandler),
+                url("/user_agent", UserAgentHandler),
+                url("/304_with_content_length", ContentLength304Handler),
+                url("/all_methods", AllMethodsHandler),
+                url("/patch", PatchHandler),
+                url("/set_header", SetHeaderHandler),
+            ],
+            gzip=True,
+        )
+
+    def test_patch_receives_payload(self):
+        body = b"some patch data"
+        response = self.fetch("/patch", method="PATCH", body=body)
+        self.assertEqual(response.code, 200)
+        self.assertEqual(response.body, body)
+
+    @skipOnTravis
+    def test_hello_world(self):
+        response = self.fetch("/hello")
+        self.assertEqual(response.code, 200)
+        self.assertEqual(response.headers["Content-Type"], "text/plain")
+        self.assertEqual(response.body, b"Hello world!")
+        self.assertEqual(int(response.request_time), 0)
+
+        response = self.fetch("/hello?name=Ben")
+        self.assertEqual(response.body, b"Hello Ben!")
+
+    def test_streaming_callback(self):
+        # streaming_callback is also tested in test_chunked
+        chunks = []  # type: typing.List[bytes]
+        response = self.fetch("/hello", streaming_callback=chunks.append)
+        # with streaming_callback, data goes to the callback and not response.body
+        self.assertEqual(chunks, [b"Hello world!"])
+        self.assertFalse(response.body)
+
+    def test_post(self):
+        response = self.fetch("/post", method="POST", body="arg1=foo&arg2=bar")
+        self.assertEqual(response.code, 200)
+        self.assertEqual(response.body, b"Post arg1: foo, arg2: bar")
+
+    def test_chunked(self):
+        response = self.fetch("/chunk")
+        self.assertEqual(response.body, b"asdfqwer")
+
+        chunks = []  # type: typing.List[bytes]
+        response = self.fetch("/chunk", streaming_callback=chunks.append)
+        self.assertEqual(chunks, [b"asdf", b"qwer"])
+        self.assertFalse(response.body)
+
+    def test_chunked_close(self):
+        # test case in which chunks spread read-callback processing
+        # over several ioloop iterations, but the connection is already closed.
+        sock, port = bind_unused_port()
+        with closing(sock):
+
+            @gen.coroutine
+            def accept_callback(conn, address):
+                # fake an HTTP server using chunked encoding where the final chunks
+                # and connection close all happen at once
+                stream = IOStream(conn)
+                request_data = yield stream.read_until(b"\r\n\r\n")
+                if b"HTTP/1." not in request_data:
+                    self.skipTest("requires HTTP/1.x")
+                yield stream.write(
+                    b"""\
+HTTP/1.1 200 OK
+Transfer-Encoding: chunked
+
+1
+1
+1
+2
+0
+
+""".replace(
+                        b"\n", b"\r\n"
+                    )
+                )
+                stream.close()
+
+            netutil.add_accept_handler(sock, accept_callback)  # type: ignore
+            resp = self.fetch("http://127.0.0.1:%d/" % port)
+            resp.rethrow()
+            self.assertEqual(resp.body, b"12")
+            self.io_loop.remove_handler(sock.fileno())
+
+    def test_basic_auth(self):
+        # This test data appears in section 2 of RFC 7617.
+        self.assertEqual(
+            self.fetch(
+                "/auth", auth_username="Aladdin", auth_password="open sesame"
+            ).body,
+            b"Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==",
+        )
+
+    def test_basic_auth_explicit_mode(self):
+        self.assertEqual(
+            self.fetch(
+                "/auth",
+                auth_username="Aladdin",
+                auth_password="open sesame",
+                auth_mode="basic",
+            ).body,
+            b"Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==",
+        )
+
+    def test_basic_auth_unicode(self):
+        # This test data appears in section 2.1 of RFC 7617.
+        self.assertEqual(
+            self.fetch("/auth", auth_username="test", auth_password="123£").body,
+            b"Basic dGVzdDoxMjPCow==",
+        )
+
+        # The standard mandates NFC. Give it a decomposed username
+        # and ensure it is normalized to composed form.
+        username = unicodedata.normalize("NFD", u"josé")
+        self.assertEqual(
+            self.fetch("/auth", auth_username=username, auth_password="səcrət").body,
+            b"Basic am9zw6k6c8mZY3LJmXQ=",
+        )
+
+    def test_unsupported_auth_mode(self):
+        # curl and simple clients handle errors a bit differently; the
+        # important thing is that they don't fall back to basic auth
+        # on an unknown mode.
+        with ExpectLog(gen_log, "uncaught exception", required=False):
+            with self.assertRaises((ValueError, HTTPError)):
+                self.fetch(
+                    "/auth",
+                    auth_username="Aladdin",
+                    auth_password="open sesame",
+                    auth_mode="asdf",
+                    raise_error=True,
+                )
+
+    def test_follow_redirect(self):
+        response = self.fetch("/countdown/2", follow_redirects=False)
+        self.assertEqual(302, response.code)
+        self.assertTrue(response.headers["Location"].endswith("/countdown/1"))
+
+        response = self.fetch("/countdown/2")
+        self.assertEqual(200, response.code)
+        self.assertTrue(response.effective_url.endswith("/countdown/0"))
+        self.assertEqual(b"Zero", response.body)
+
+    def test_redirect_without_location(self):
+        response = self.fetch("/redirect_without_location", follow_redirects=True)
+        # If there is no location header, the redirect response should
+        # just be returned as-is. (This should arguably raise an
+        # error, but libcurl doesn't treat this as an error, so we
+        # don't either).
+        self.assertEqual(301, response.code)
+
+    def test_redirect_put_with_body(self):
+        response = self.fetch(
+            "/redirect?url=/put&status=307", method="PUT", body="hello"
+        )
+        self.assertEqual(response.body, b"Put body: hello")
+
+    def test_redirect_put_without_body(self):
+        # This "without body" edge case is similar to what happens with body_producer.
+        response = self.fetch(
+            "/redirect?url=/put&status=307",
+            method="PUT",
+            allow_nonstandard_methods=True,
+        )
+        self.assertEqual(response.body, b"Put body: ")
+
+    def test_method_after_redirect(self):
+        # Legacy redirect codes (301, 302) convert POST requests to GET.
+        for status in [301, 302, 303]:
+            url = "/redirect?url=/all_methods&status=%d" % status
+            resp = self.fetch(url, method="POST", body=b"")
+            self.assertEqual(b"GET", resp.body)
+
+            # Other methods are left alone.
+            for method in ["GET", "OPTIONS", "PUT", "DELETE"]:
+                resp = self.fetch(url, method=method, allow_nonstandard_methods=True)
+                self.assertEqual(utf8(method), resp.body)
+            # HEAD is different so check it separately.
+            resp = self.fetch(url, method="HEAD")
+            self.assertEqual(200, resp.code)
+            self.assertEqual(b"", resp.body)
+
+        # Newer redirects always preserve the original method.
+        for status in [307, 308]:
+            url = "/redirect?url=/all_methods&status=307"
+            for method in ["GET", "OPTIONS", "POST", "PUT", "DELETE"]:
+                resp = self.fetch(url, method=method, allow_nonstandard_methods=True)
+                self.assertEqual(method, to_unicode(resp.body))
+            resp = self.fetch(url, method="HEAD")
+            self.assertEqual(200, resp.code)
+            self.assertEqual(b"", resp.body)
+
+    def test_credentials_in_url(self):
+        url = self.get_url("/auth").replace("http://", "http://me:secret@")
+        response = self.fetch(url)
+        self.assertEqual(b"Basic " + base64.b64encode(b"me:secret"), response.body)
+
+    def test_body_encoding(self):
+        unicode_body = u"\xe9"
+        byte_body = binascii.a2b_hex(b"e9")
+
+        # unicode string in body gets converted to utf8
+        response = self.fetch(
+            "/echopost",
+            method="POST",
+            body=unicode_body,
+            headers={"Content-Type": "application/blah"},
+        )
+        self.assertEqual(response.headers["Content-Length"], "2")
+        self.assertEqual(response.body, utf8(unicode_body))
+
+        # byte strings pass through directly
+        response = self.fetch(
+            "/echopost",
+            method="POST",
+            body=byte_body,
+            headers={"Content-Type": "application/blah"},
+        )
+        self.assertEqual(response.headers["Content-Length"], "1")
+        self.assertEqual(response.body, byte_body)
+
+        # Mixing unicode in headers and byte string bodies shouldn't
+        # break anything
+        response = self.fetch(
+            "/echopost",
+            method="POST",
+            body=byte_body,
+            headers={"Content-Type": "application/blah"},
+            user_agent=u"foo",
+        )
+        self.assertEqual(response.headers["Content-Length"], "1")
+        self.assertEqual(response.body, byte_body)
+
+    def test_types(self):
+        response = self.fetch("/hello")
+        self.assertEqual(type(response.body), bytes)
+        self.assertEqual(type(response.headers["Content-Type"]), str)
+        self.assertEqual(type(response.code), int)
+        self.assertEqual(type(response.effective_url), str)
+
+    def test_header_callback(self):
+        first_line = []
+        headers = {}
+        chunks = []
+
+        def header_callback(header_line):
+            if header_line.startswith("HTTP/1.1 101"):
+                # Upgrading to HTTP/2
+                pass
+            elif header_line.startswith("HTTP/"):
+                first_line.append(header_line)
+            elif header_line != "\r\n":
+                k, v = header_line.split(":", 1)
+                headers[k.lower()] = v.strip()
+
+        def streaming_callback(chunk):
+            # All header callbacks are run before any streaming callbacks,
+            # so the header data is available to process the data as it
+            # comes in.
+            self.assertEqual(headers["content-type"], "text/html; charset=UTF-8")
+            chunks.append(chunk)
+
+        self.fetch(
+            "/chunk",
+            header_callback=header_callback,
+            streaming_callback=streaming_callback,
+        )
+        self.assertEqual(len(first_line), 1, first_line)
+        self.assertRegexpMatches(first_line[0], "HTTP/[0-9]\\.[0-9] 200.*\r\n")
+        self.assertEqual(chunks, [b"asdf", b"qwer"])
+
+    @gen_test
+    def test_configure_defaults(self):
+        defaults = dict(user_agent="TestDefaultUserAgent", allow_ipv6=False)
+        # Construct a new instance of the configured client class
+        client = self.http_client.__class__(force_instance=True, defaults=defaults)
+        try:
+            response = yield client.fetch(self.get_url("/user_agent"))
+            self.assertEqual(response.body, b"TestDefaultUserAgent")
+        finally:
+            client.close()
+
+    def test_header_types(self):
+        # Header values may be passed as character or utf8 byte strings,
+        # in a plain dictionary or an HTTPHeaders object.
+        # Keys must always be the native str type.
+        # All combinations should have the same results on the wire.
+        for value in [u"MyUserAgent", b"MyUserAgent"]:
+            for container in [dict, HTTPHeaders]:
+                headers = container()
+                headers["User-Agent"] = value
+                resp = self.fetch("/user_agent", headers=headers)
+                self.assertEqual(
+                    resp.body,
+                    b"MyUserAgent",
+                    "response=%r, value=%r, container=%r"
+                    % (resp.body, value, container),
+                )
+
+    def test_multi_line_headers(self):
+        # Multi-line http headers are rare but rfc-allowed
+        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2
+        sock, port = bind_unused_port()
+        with closing(sock):
+
+            @gen.coroutine
+            def accept_callback(conn, address):
+                stream = IOStream(conn)
+                request_data = yield stream.read_until(b"\r\n\r\n")
+                if b"HTTP/1." not in request_data:
+                    self.skipTest("requires HTTP/1.x")
+                yield stream.write(
+                    b"""\
+HTTP/1.1 200 OK
+X-XSS-Protection: 1;
+\tmode=block
+
+""".replace(
+                        b"\n", b"\r\n"
+                    )
+                )
+                stream.close()
+
+            netutil.add_accept_handler(sock, accept_callback)  # type: ignore
+            resp = self.fetch("http://127.0.0.1:%d/" % port)
+            resp.rethrow()
+            self.assertEqual(resp.headers["X-XSS-Protection"], "1; mode=block")
+            self.io_loop.remove_handler(sock.fileno())
+
+    def test_304_with_content_length(self):
+        # According to the spec 304 responses SHOULD NOT include
+        # Content-Length or other entity headers, but some servers do it
+        # anyway.
+        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5
+        response = self.fetch("/304_with_content_length")
+        self.assertEqual(response.code, 304)
+        self.assertEqual(response.headers["Content-Length"], "42")
+
+    @gen_test
+    def test_future_interface(self):
+        response = yield self.http_client.fetch(self.get_url("/hello"))
+        self.assertEqual(response.body, b"Hello world!")
+
+    @gen_test
+    def test_future_http_error(self):
+        with self.assertRaises(HTTPError) as context:
+            yield self.http_client.fetch(self.get_url("/notfound"))
+        self.assertEqual(context.exception.code, 404)
+        self.assertEqual(context.exception.response.code, 404)
+
+    @gen_test
+    def test_future_http_error_no_raise(self):
+        response = yield self.http_client.fetch(
+            self.get_url("/notfound"), raise_error=False
+        )
+        self.assertEqual(response.code, 404)
+
+    @gen_test
+    def test_reuse_request_from_response(self):
+        # The response.request attribute should be an HTTPRequest, not
+        # a _RequestProxy.
+        # This test uses self.http_client.fetch because self.fetch calls
+        # self.get_url on the input unconditionally.
+        url = self.get_url("/hello")
+        response = yield self.http_client.fetch(url)
+        self.assertEqual(response.request.url, url)
+        self.assertTrue(isinstance(response.request, HTTPRequest))
+        response2 = yield self.http_client.fetch(response.request)
+        self.assertEqual(response2.body, b"Hello world!")
+
+    @gen_test
+    def test_bind_source_ip(self):
+        url = self.get_url("/hello")
+        request = HTTPRequest(url, network_interface="127.0.0.1")
+        response = yield self.http_client.fetch(request)
+        self.assertEqual(response.code, 200)
+
+        with self.assertRaises((ValueError, HTTPError)) as context:
+            request = HTTPRequest(url, network_interface="not-interface-or-ip")
+            yield self.http_client.fetch(request)
+        self.assertIn("not-interface-or-ip", str(context.exception))
+
+    def test_all_methods(self):
+        for method in ["GET", "DELETE", "OPTIONS"]:
+            response = self.fetch("/all_methods", method=method)
+            self.assertEqual(response.body, utf8(method))
+        for method in ["POST", "PUT", "PATCH"]:
+            response = self.fetch("/all_methods", method=method, body=b"")
+            self.assertEqual(response.body, utf8(method))
+        response = self.fetch("/all_methods", method="HEAD")
+        self.assertEqual(response.body, b"")
+        response = self.fetch(
+            "/all_methods", method="OTHER", allow_nonstandard_methods=True
+        )
+        self.assertEqual(response.body, b"OTHER")
+
+    def test_body_sanity_checks(self):
+        # These methods require a body.
+        for method in ("POST", "PUT", "PATCH"):
+            with self.assertRaises(ValueError) as context:
+                self.fetch("/all_methods", method=method, raise_error=True)
+            self.assertIn("must not be None", str(context.exception))
+
+            resp = self.fetch(
+                "/all_methods", method=method, allow_nonstandard_methods=True
+            )
+            self.assertEqual(resp.code, 200)
+
+        # These methods don't allow a body.
+        for method in ("GET", "DELETE", "OPTIONS"):
+            with self.assertRaises(ValueError) as context:
+                self.fetch(
+                    "/all_methods", method=method, body=b"asdf", raise_error=True
+                )
+            self.assertIn("must be None", str(context.exception))
+
+            # In most cases this can be overridden, but curl_httpclient
+            # does not allow body with a GET at all.
+            if method != "GET":
+                self.fetch(
+                    "/all_methods",
+                    method=method,
+                    body=b"asdf",
+                    allow_nonstandard_methods=True,
+                    raise_error=True,
+                )
+                self.assertEqual(resp.code, 200)
+
+    # This test causes odd failures with the combination of
+    # curl_httpclient (at least with the version of libcurl available
+    # on ubuntu 12.04), TwistedIOLoop, and epoll.  For POST (but not PUT),
+    # curl decides the response came back too soon and closes the connection
+    # to start again.  It does this *before* telling the socket callback to
+    # unregister the FD.  Some IOLoop implementations have special kernel
+    # integration to discover this immediately.  Tornado's IOLoops
+    # ignore errors on remove_handler to accommodate this behavior, but
+    # Twisted's reactor does not.  The removeReader call fails and so
+    # do all future removeAll calls (which our tests do at cleanup).
+    #
+    # def test_post_307(self):
+    #    response = self.fetch("/redirect?status=307&url=/post",
+    #                          method="POST", body=b"arg1=foo&arg2=bar")
+    #    self.assertEqual(response.body, b"Post arg1: foo, arg2: bar")
+
+    def test_put_307(self):
+        response = self.fetch(
+            "/redirect?status=307&url=/put", method="PUT", body=b"hello"
+        )
+        response.rethrow()
+        self.assertEqual(response.body, b"Put body: hello")
+
+    def test_non_ascii_header(self):
+        # Non-ascii headers are sent as latin1.
+        response = self.fetch("/set_header?k=foo&v=%E9")
+        response.rethrow()
+        self.assertEqual(response.headers["Foo"], native_str(u"\u00e9"))
+
+    def test_response_times(self):
+        # A few simple sanity checks of the response time fields to
+        # make sure they're using the right basis (between the
+        # wall-time and monotonic clocks).
+        start_time = time.time()
+        response = self.fetch("/hello")
+        response.rethrow()
+        self.assertGreaterEqual(response.request_time, 0)
+        self.assertLess(response.request_time, 1.0)
+        # A very crude check to make sure that start_time is based on
+        # wall time and not the monotonic clock.
+        self.assertLess(abs(response.start_time - start_time), 1.0)
+
+        for k, v in response.time_info.items():
+            self.assertTrue(0 <= v < 1.0, "time_info[%s] out of bounds: %s" % (k, v))
+
+    @gen_test
+    def test_error_after_cancel(self):
+        fut = self.http_client.fetch(self.get_url("/404"))
+        self.assertTrue(fut.cancel())
+        with ExpectLog(app_log, "Exception after Future was cancelled") as el:
+            # We can't wait on the cancelled Future any more, so just
+            # let the IOLoop run until the exception gets logged (or
+            # not, in which case we exit the loop and ExpectLog will
+            # raise).
+            for i in range(100):
+                yield gen.sleep(0.01)
+                if el.logged_stack:
+                    break
+
+
+class RequestProxyTest(unittest.TestCase):
+    def test_request_set(self):
+        proxy = _RequestProxy(
+            HTTPRequest("http://example.com/", user_agent="foo"), dict()
+        )
+        self.assertEqual(proxy.user_agent, "foo")
+
+    def test_default_set(self):
+        proxy = _RequestProxy(
+            HTTPRequest("http://example.com/"), dict(network_interface="foo")
+        )
+        self.assertEqual(proxy.network_interface, "foo")
+
+    def test_both_set(self):
+        proxy = _RequestProxy(
+            HTTPRequest("http://example.com/", proxy_host="foo"), dict(proxy_host="bar")
+        )
+        self.assertEqual(proxy.proxy_host, "foo")
+
+    def test_neither_set(self):
+        proxy = _RequestProxy(HTTPRequest("http://example.com/"), dict())
+        self.assertIs(proxy.auth_username, None)
+
+    def test_bad_attribute(self):
+        proxy = _RequestProxy(HTTPRequest("http://example.com/"), dict())
+        with self.assertRaises(AttributeError):
+            proxy.foo
+
+    def test_defaults_none(self):
+        proxy = _RequestProxy(HTTPRequest("http://example.com/"), None)
+        self.assertIs(proxy.auth_username, None)
+
+
+class HTTPResponseTestCase(unittest.TestCase):
+    def test_str(self):
+        response = HTTPResponse(  # type: ignore
+            HTTPRequest("http://example.com"), 200, headers={}, buffer=BytesIO()
+        )
+        s = str(response)
+        self.assertTrue(s.startswith("HTTPResponse("))
+        self.assertIn("code=200", s)
+
+
+class SyncHTTPClientTest(unittest.TestCase):
+    def setUp(self):
+        self.server_ioloop = IOLoop()
+        event = threading.Event()
+
+        @gen.coroutine
+        def init_server():
+            sock, self.port = bind_unused_port()
+            app = Application([("/", HelloWorldHandler)])
+            self.server = HTTPServer(app)
+            self.server.add_socket(sock)
+            event.set()
+
+        def start():
+            self.server_ioloop.run_sync(init_server)
+            self.server_ioloop.start()
+
+        self.server_thread = threading.Thread(target=start)
+        self.server_thread.start()
+        event.wait()
+
+        self.http_client = HTTPClient()
+
+    def tearDown(self):
+        def stop_server():
+            self.server.stop()
+            # Delay the shutdown of the IOLoop by several iterations because
+            # the server may still have some cleanup work left when
+            # the client finishes with the response (this is noticeable
+            # with http/2, which leaves a Future with an unexamined
+            # StreamClosedError on the loop).
+
+            @gen.coroutine
+            def slow_stop():
+                yield self.server.close_all_connections()
+                # The number of iterations is difficult to predict. Typically,
+                # one is sufficient, although sometimes it needs more.
+                for i in range(5):
+                    yield
+                self.server_ioloop.stop()
+
+            self.server_ioloop.add_callback(slow_stop)
+
+        self.server_ioloop.add_callback(stop_server)
+        self.server_thread.join()
+        self.http_client.close()
+        self.server_ioloop.close(all_fds=True)
+
+    def get_url(self, path):
+        return "http://127.0.0.1:%d%s" % (self.port, path)
+
+    def test_sync_client(self):
+        response = self.http_client.fetch(self.get_url("/"))
+        self.assertEqual(b"Hello world!", response.body)
+
+    def test_sync_client_error(self):
+        # Synchronous HTTPClient raises errors directly; no need for
+        # response.rethrow()
+        with self.assertRaises(HTTPError) as assertion:
+            self.http_client.fetch(self.get_url("/notfound"))
+        self.assertEqual(assertion.exception.code, 404)
+
+
+class SyncHTTPClientSubprocessTest(unittest.TestCase):
+    def test_destructor_log(self):
+        # Regression test for
+        # https://github.com/tornadoweb/tornado/issues/2539
+        #
+        # In the past, the following program would log an
+        # "inconsistent AsyncHTTPClient cache" error from a destructor
+        # when the process is shutting down. The shutdown process is
+        # subtle and I don't fully understand it; the failure does not
+        # manifest if that lambda isn't there or is a simpler object
+        # like an int (nor does it manifest in the tornado test suite
+        # as a whole, which is why we use this subprocess).
+        proc = subprocess.run(
+            [
+                sys.executable,
+                "-c",
+                "from tornado.httpclient import HTTPClient; f = lambda: None; c = HTTPClient()",
+            ],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            check=True,
+        )
+        if proc.stdout:
+            print("STDOUT:")
+            print(to_unicode(proc.stdout))
+        if proc.stdout:
+            self.fail("subprocess produced unexpected output")
+
+
+class HTTPRequestTestCase(unittest.TestCase):
+    def test_headers(self):
+        request = HTTPRequest("http://example.com", headers={"foo": "bar"})
+        self.assertEqual(request.headers, {"foo": "bar"})
+
+    def test_headers_setter(self):
+        request = HTTPRequest("http://example.com")
+        request.headers = {"bar": "baz"}  # type: ignore
+        self.assertEqual(request.headers, {"bar": "baz"})
+
+    def test_null_headers_setter(self):
+        request = HTTPRequest("http://example.com")
+        request.headers = None  # type: ignore
+        self.assertEqual(request.headers, {})
+
+    def test_body(self):
+        request = HTTPRequest("http://example.com", body="foo")
+        self.assertEqual(request.body, utf8("foo"))
+
+    def test_body_setter(self):
+        request = HTTPRequest("http://example.com")
+        request.body = "foo"  # type: ignore
+        self.assertEqual(request.body, utf8("foo"))
+
+    def test_if_modified_since(self):
+        http_date = datetime.datetime.utcnow()
+        request = HTTPRequest("http://example.com", if_modified_since=http_date)
+        self.assertEqual(
+            request.headers, {"If-Modified-Since": format_timestamp(http_date)}
+        )
+
+
+class HTTPErrorTestCase(unittest.TestCase):
+    def test_copy(self):
+        e = HTTPError(403)
+        e2 = copy.copy(e)
+        self.assertIsNot(e, e2)
+        self.assertEqual(e.code, e2.code)
+
+    def test_plain_error(self):
+        e = HTTPError(403)
+        self.assertEqual(str(e), "HTTP 403: Forbidden")
+        self.assertEqual(repr(e), "HTTP 403: Forbidden")
+
+    def test_error_with_response(self):
+        resp = HTTPResponse(HTTPRequest("http://example.com/"), 403)
+        with self.assertRaises(HTTPError) as cm:
+            resp.rethrow()
+        e = cm.exception
+        self.assertEqual(str(e), "HTTP 403: Forbidden")
+        self.assertEqual(repr(e), "HTTP 403: Forbidden")
diff --git a/venv/lib/python3.7/site-packages/tornado/test/httpserver_test.py b/venv/lib/python3.7/site-packages/tornado/test/httpserver_test.py
new file mode 100644
index 0000000..2a8b6a5
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/test/httpserver_test.py
@@ -0,0 +1,1296 @@
+from tornado import gen, netutil
+from tornado.escape import (
+    json_decode,
+    json_encode,
+    utf8,
+    _unicode,
+    recursive_unicode,
+    native_str,
+)
+from tornado.http1connection import HTTP1Connection
+from tornado.httpclient import HTTPError
+from tornado.httpserver import HTTPServer
+from tornado.httputil import (
+    HTTPHeaders,
+    HTTPMessageDelegate,
+    HTTPServerConnectionDelegate,
+    ResponseStartLine,
+)
+from tornado.iostream import IOStream
+from tornado.locks import Event
+from tornado.log import gen_log
+from tornado.netutil import ssl_options_to_context
+from tornado.simple_httpclient import SimpleAsyncHTTPClient
+from tornado.testing import (
+    AsyncHTTPTestCase,
+    AsyncHTTPSTestCase,
+    AsyncTestCase,
+    ExpectLog,
+    gen_test,
+)
+from tornado.test.util import skipOnTravis
+from tornado.web import Application, RequestHandler, stream_request_body
+
+from contextlib import closing
+import datetime
+import gzip
+import os
+import shutil
+import socket
+import ssl
+import sys
+import tempfile
+import unittest
+from io import BytesIO
+
+import typing
+
+if typing.TYPE_CHECKING:
+    from typing import Dict, List  # noqa: F401
+
+
+async def read_stream_body(stream):
+    """Reads an HTTP response from `stream` and returns a tuple of its
+    start_line, headers and body."""
+    chunks = []
+
+    class Delegate(HTTPMessageDelegate):
+        def headers_received(self, start_line, headers):
+            self.headers = headers
+            self.start_line = start_line
+
+        def data_received(self, chunk):
+            chunks.append(chunk)
+
+        def finish(self):
+            conn.detach()  # type: ignore
+
+    conn = HTTP1Connection(stream, True)
+    delegate = Delegate()
+    await conn.read_response(delegate)
+    return delegate.start_line, delegate.headers, b"".join(chunks)
+
+
+class HandlerBaseTestCase(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application([("/", self.__class__.Handler)])
+
+    def fetch_json(self, *args, **kwargs):
+        response = self.fetch(*args, **kwargs)
+        response.rethrow()
+        return json_decode(response.body)
+
+
+class HelloWorldRequestHandler(RequestHandler):
+    def initialize(self, protocol="http"):
+        self.expected_protocol = protocol
+
+    def get(self):
+        if self.request.protocol != self.expected_protocol:
+            raise Exception("unexpected protocol")
+        self.finish("Hello world")
+
+    def post(self):
+        self.finish("Got %d bytes in POST" % len(self.request.body))
+
+
+# In pre-1.0 versions of openssl, SSLv23 clients always send SSLv2
+# ClientHello messages, which are rejected by SSLv3 and TLSv1
+# servers.  Note that while the OPENSSL_VERSION_INFO was formally
+# introduced in python3.2, it was present but undocumented in
+# python 2.7
+skipIfOldSSL = unittest.skipIf(
+    getattr(ssl, "OPENSSL_VERSION_INFO", (0, 0)) < (1, 0),
+    "old version of ssl module and/or openssl",
+)
+
+
+class BaseSSLTest(AsyncHTTPSTestCase):
+    def get_app(self):
+        return Application([("/", HelloWorldRequestHandler, dict(protocol="https"))])
+
+
+class SSLTestMixin(object):
+    def get_ssl_options(self):
+        return dict(
+            ssl_version=self.get_ssl_version(),
+            **AsyncHTTPSTestCase.default_ssl_options()
+        )
+
+    def get_ssl_version(self):
+        raise NotImplementedError()
+
+    def test_ssl(self):
+        response = self.fetch("/")
+        self.assertEqual(response.body, b"Hello world")
+
+    def test_large_post(self):
+        response = self.fetch("/", method="POST", body="A" * 5000)
+        self.assertEqual(response.body, b"Got 5000 bytes in POST")
+
+    def test_non_ssl_request(self):
+        # Make sure the server closes the connection when it gets a non-ssl
+        # connection, rather than waiting for a timeout or otherwise
+        # misbehaving.
+        with ExpectLog(gen_log, "(SSL Error|uncaught exception)"):
+            with ExpectLog(gen_log, "Uncaught exception", required=False):
+                with self.assertRaises((IOError, HTTPError)):
+                    self.fetch(
+                        self.get_url("/").replace("https:", "http:"),
+                        request_timeout=3600,
+                        connect_timeout=3600,
+                        raise_error=True,
+                    )
+
+    def test_error_logging(self):
+        # No stack traces are logged for SSL errors.
+        with ExpectLog(gen_log, "SSL Error") as expect_log:
+            with self.assertRaises((IOError, HTTPError)):
+                self.fetch(
+                    self.get_url("/").replace("https:", "http:"), raise_error=True
+                )
+        self.assertFalse(expect_log.logged_stack)
+
+
+# Python's SSL implementation differs significantly between versions.
+# For example, SSLv3 and TLSv1 throw an exception if you try to read
+# from the socket before the handshake is complete, but the default
+# of SSLv23 allows it.
+
+
+class SSLv23Test(BaseSSLTest, SSLTestMixin):
+    def get_ssl_version(self):
+        return ssl.PROTOCOL_SSLv23
+
+
+@skipIfOldSSL
+class SSLv3Test(BaseSSLTest, SSLTestMixin):
+    def get_ssl_version(self):
+        return ssl.PROTOCOL_SSLv3
+
+
+@skipIfOldSSL
+class TLSv1Test(BaseSSLTest, SSLTestMixin):
+    def get_ssl_version(self):
+        return ssl.PROTOCOL_TLSv1
+
+
+class SSLContextTest(BaseSSLTest, SSLTestMixin):
+    def get_ssl_options(self):
+        context = ssl_options_to_context(AsyncHTTPSTestCase.get_ssl_options(self))
+        assert isinstance(context, ssl.SSLContext)
+        return context
+
+
+class BadSSLOptionsTest(unittest.TestCase):
+    def test_missing_arguments(self):
+        application = Application()
+        self.assertRaises(
+            KeyError,
+            HTTPServer,
+            application,
+            ssl_options={"keyfile": "/__missing__.crt"},
+        )
+
+    def test_missing_key(self):
+        """A missing SSL key should cause an immediate exception."""
+
+        application = Application()
+        module_dir = os.path.dirname(__file__)
+        existing_certificate = os.path.join(module_dir, "test.crt")
+        existing_key = os.path.join(module_dir, "test.key")
+
+        self.assertRaises(
+            (ValueError, IOError),
+            HTTPServer,
+            application,
+            ssl_options={"certfile": "/__mising__.crt"},
+        )
+        self.assertRaises(
+            (ValueError, IOError),
+            HTTPServer,
+            application,
+            ssl_options={
+                "certfile": existing_certificate,
+                "keyfile": "/__missing__.key",
+            },
+        )
+
+        # This actually works because both files exist
+        HTTPServer(
+            application,
+            ssl_options={"certfile": existing_certificate, "keyfile": existing_key},
+        )
+
+
+class MultipartTestHandler(RequestHandler):
+    def post(self):
+        self.finish(
+            {
+                "header": self.request.headers["X-Header-Encoding-Test"],
+                "argument": self.get_argument("argument"),
+                "filename": self.request.files["files"][0].filename,
+                "filebody": _unicode(self.request.files["files"][0]["body"]),
+            }
+        )
+
+
+# This test is also called from wsgi_test
+class HTTPConnectionTest(AsyncHTTPTestCase):
+    def get_handlers(self):
+        return [
+            ("/multipart", MultipartTestHandler),
+            ("/hello", HelloWorldRequestHandler),
+        ]
+
+    def get_app(self):
+        return Application(self.get_handlers())
+
+    def raw_fetch(self, headers, body, newline=b"\r\n"):
+        with closing(IOStream(socket.socket())) as stream:
+            self.io_loop.run_sync(
+                lambda: stream.connect(("127.0.0.1", self.get_http_port()))
+            )
+            stream.write(
+                newline.join(headers + [utf8("Content-Length: %d" % len(body))])
+                + newline
+                + newline
+                + body
+            )
+            start_line, headers, body = self.io_loop.run_sync(
+                lambda: read_stream_body(stream)
+            )
+            return body
+
+    def test_multipart_form(self):
+        # Encodings here are tricky:  Headers are latin1, bodies can be
+        # anything (we use utf8 by default).
+        response = self.raw_fetch(
+            [
+                b"POST /multipart HTTP/1.0",
+                b"Content-Type: multipart/form-data; boundary=1234567890",
+                b"X-Header-encoding-test: \xe9",
+            ],
+            b"\r\n".join(
+                [
+                    b"Content-Disposition: form-data; name=argument",
+                    b"",
+                    u"\u00e1".encode("utf-8"),
+                    b"--1234567890",
+                    u'Content-Disposition: form-data; name="files"; filename="\u00f3"'.encode(
+                        "utf8"
+                    ),
+                    b"",
+                    u"\u00fa".encode("utf-8"),
+                    b"--1234567890--",
+                    b"",
+                ]
+            ),
+        )
+        data = json_decode(response)
+        self.assertEqual(u"\u00e9", data["header"])
+        self.assertEqual(u"\u00e1", data["argument"])
+        self.assertEqual(u"\u00f3", data["filename"])
+        self.assertEqual(u"\u00fa", data["filebody"])
+
+    def test_newlines(self):
+        # We support both CRLF and bare LF as line separators.
+        for newline in (b"\r\n", b"\n"):
+            response = self.raw_fetch([b"GET /hello HTTP/1.0"], b"", newline=newline)
+            self.assertEqual(response, b"Hello world")
+
+    @gen_test
+    def test_100_continue(self):
+        # Run through a 100-continue interaction by hand:
+        # When given Expect: 100-continue, we get a 100 response after the
+        # headers, and then the real response after the body.
+        stream = IOStream(socket.socket())
+        yield stream.connect(("127.0.0.1", self.get_http_port()))
+        yield stream.write(
+            b"\r\n".join(
+                [
+                    b"POST /hello HTTP/1.1",
+                    b"Content-Length: 1024",
+                    b"Expect: 100-continue",
+                    b"Connection: close",
+                    b"\r\n",
+                ]
+            )
+        )
+        data = yield stream.read_until(b"\r\n\r\n")
+        self.assertTrue(data.startswith(b"HTTP/1.1 100 "), data)
+        stream.write(b"a" * 1024)
+        first_line = yield stream.read_until(b"\r\n")
+        self.assertTrue(first_line.startswith(b"HTTP/1.1 200"), first_line)
+        header_data = yield stream.read_until(b"\r\n\r\n")
+        headers = HTTPHeaders.parse(native_str(header_data.decode("latin1")))
+        body = yield stream.read_bytes(int(headers["Content-Length"]))
+        self.assertEqual(body, b"Got 1024 bytes in POST")
+        stream.close()
+
+
+class EchoHandler(RequestHandler):
+    def get(self):
+        self.write(recursive_unicode(self.request.arguments))
+
+    def post(self):
+        self.write(recursive_unicode(self.request.arguments))
+
+
+class TypeCheckHandler(RequestHandler):
+    def prepare(self):
+        self.errors = {}  # type: Dict[str, str]
+        fields = [
+            ("method", str),
+            ("uri", str),
+            ("version", str),
+            ("remote_ip", str),
+            ("protocol", str),
+            ("host", str),
+            ("path", str),
+            ("query", str),
+        ]
+        for field, expected_type in fields:
+            self.check_type(field, getattr(self.request, field), expected_type)
+
+        self.check_type("header_key", list(self.request.headers.keys())[0], str)
+        self.check_type("header_value", list(self.request.headers.values())[0], str)
+
+        self.check_type("cookie_key", list(self.request.cookies.keys())[0], str)
+        self.check_type(
+            "cookie_value", list(self.request.cookies.values())[0].value, str
+        )
+        # secure cookies
+
+        self.check_type("arg_key", list(self.request.arguments.keys())[0], str)
+        self.check_type("arg_value", list(self.request.arguments.values())[0][0], bytes)
+
+    def post(self):
+        self.check_type("body", self.request.body, bytes)
+        self.write(self.errors)
+
+    def get(self):
+        self.write(self.errors)
+
+    def check_type(self, name, obj, expected_type):
+        actual_type = type(obj)
+        if expected_type != actual_type:
+            self.errors[name] = "expected %s, got %s" % (expected_type, actual_type)
+
+
+class HTTPServerTest(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application(
+            [
+                ("/echo", EchoHandler),
+                ("/typecheck", TypeCheckHandler),
+                ("//doubleslash", EchoHandler),
+            ]
+        )
+
+    def test_query_string_encoding(self):
+        response = self.fetch("/echo?foo=%C3%A9")
+        data = json_decode(response.body)
+        self.assertEqual(data, {u"foo": [u"\u00e9"]})
+
+    def test_empty_query_string(self):
+        response = self.fetch("/echo?foo=&foo=")
+        data = json_decode(response.body)
+        self.assertEqual(data, {u"foo": [u"", u""]})
+
+    def test_empty_post_parameters(self):
+        response = self.fetch("/echo", method="POST", body="foo=&bar=")
+        data = json_decode(response.body)
+        self.assertEqual(data, {u"foo": [u""], u"bar": [u""]})
+
+    def test_types(self):
+        headers = {"Cookie": "foo=bar"}
+        response = self.fetch("/typecheck?foo=bar", headers=headers)
+        data = json_decode(response.body)
+        self.assertEqual(data, {})
+
+        response = self.fetch(
+            "/typecheck", method="POST", body="foo=bar", headers=headers
+        )
+        data = json_decode(response.body)
+        self.assertEqual(data, {})
+
+    def test_double_slash(self):
+        # urlparse.urlsplit (which tornado.httpserver used to use
+        # incorrectly) would parse paths beginning with "//" as
+        # protocol-relative urls.
+        response = self.fetch("//doubleslash")
+        self.assertEqual(200, response.code)
+        self.assertEqual(json_decode(response.body), {})
+
+    def test_malformed_body(self):
+        # parse_qs is pretty forgiving, but it will fail on python 3
+        # if the data is not utf8.
+        with ExpectLog(gen_log, "Invalid x-www-form-urlencoded body"):
+            response = self.fetch(
+                "/echo",
+                method="POST",
+                headers={"Content-Type": "application/x-www-form-urlencoded"},
+                body=b"\xe9",
+            )
+        self.assertEqual(200, response.code)
+        self.assertEqual(b"{}", response.body)
+
+
+class HTTPServerRawTest(AsyncHTTPTestCase):
+    def get_app(self):
+        return Application([("/echo", EchoHandler)])
+
+    def setUp(self):
+        super(HTTPServerRawTest, self).setUp()
+        self.stream = IOStream(socket.socket())
+        self.io_loop.run_sync(
+            lambda: self.stream.connect(("127.0.0.1", self.get_http_port()))
+        )
+
+    def tearDown(self):
+        self.stream.close()
+        super(HTTPServerRawTest, self).tearDown()
+
+    def test_empty_request(self):
+        self.stream.close()
+        self.io_loop.add_timeout(datetime.timedelta(seconds=0.001), self.stop)
+        self.wait()
+
+    def test_malformed_first_line_response(self):
+        with ExpectLog(gen_log, ".*Malformed HTTP request line"):
+            self.stream.write(b"asdf\r\n\r\n")
+            start_line, headers, response = self.io_loop.run_sync(
+                lambda: read_stream_body(self.stream)
+            )
+            self.assertEqual("HTTP/1.1", start_line.version)
+            self.assertEqual(400, start_line.code)
+            self.assertEqual("Bad Request", start_line.reason)
+
+    def test_malformed_first_line_log(self):
+        with ExpectLog(gen_log, ".*Malformed HTTP request line"):
+            self.stream.write(b"asdf\r\n\r\n")
+            # TODO: need an async version of ExpectLog so we don't need
+            # hard-coded timeouts here.
+            self.io_loop.add_timeout(datetime.timedelta(seconds=0.05), self.stop)
+            self.wait()
+
+    def test_malformed_headers(self):
+        with ExpectLog(gen_log, ".*Malformed HTTP message.*no colon in header line"):
+            self.stream.write(b"GET / HTTP/1.0\r\nasdf\r\n\r\n")
+            self.io_loop.add_timeout(datetime.timedelta(seconds=0.05), self.stop)
+            self.wait()
+
+    def test_chunked_request_body(self):
+        # Chunked requests are not widely supported and we don't have a way
+        # to generate them in AsyncHTTPClient, but HTTPServer will read them.
+        self.stream.write(
+            b"""\
+POST /echo HTTP/1.1
+Transfer-Encoding: chunked
+Content-Type: application/x-www-form-urlencoded
+
+4
+foo=
+3
+bar
+0
+
+""".replace(
+                b"\n", b"\r\n"
+            )
+        )
+        start_line, headers, response = self.io_loop.run_sync(
+            lambda: read_stream_body(self.stream)
+        )
+        self.assertEqual(json_decode(response), {u"foo": [u"bar"]})
+
+    def test_chunked_request_uppercase(self):
+        # As per RFC 2616 section 3.6, "Transfer-Encoding" header's value is
+        # case-insensitive.
+        self.stream.write(
+            b"""\
+POST /echo HTTP/1.1
+Transfer-Encoding: Chunked
+Content-Type: application/x-www-form-urlencoded
+
+4
+foo=
+3
+bar
+0
+
+""".replace(
+                b"\n", b"\r\n"
+            )
+        )
+        start_line, headers, response = self.io_loop.run_sync(
+            lambda: read_stream_body(self.stream)
+        )
+        self.assertEqual(json_decode(response), {u"foo": [u"bar"]})
+
+    @gen_test
+    def test_invalid_content_length(self):
+        with ExpectLog(gen_log, ".*Only integer Content-Length is allowed"):
+            self.stream.write(
+                b"""\
+POST /echo HTTP/1.1
+Content-Length: foo
+
+bar
+
+""".replace(
+                    b"\n", b"\r\n"
+                )
+            )
+            yield self.stream.read_until_close()
+
+
+class XHeaderTest(HandlerBaseTestCase):
+    class Handler(RequestHandler):
+        def get(self):
+            self.set_header("request-version", self.request.version)
+            self.write(
+                dict(
+                    remote_ip=self.request.remote_ip,
+                    remote_protocol=self.request.protocol,
+                )
+            )
+
+    def get_httpserver_options(self):
+        return dict(xheaders=True, trusted_downstream=["5.5.5.5"])
+
+    def test_ip_headers(self):
+        self.assertEqual(self.fetch_json("/")["remote_ip"], "127.0.0.1")
+
+        valid_ipv4 = {"X-Real-IP": "4.4.4.4"}
+        self.assertEqual(
+            self.fetch_json("/", headers=valid_ipv4)["remote_ip"], "4.4.4.4"
+        )
+
+        valid_ipv4_list = {"X-Forwarded-For": "127.0.0.1, 4.4.4.4"}
+        self.assertEqual(
+            self.fetch_json("/", headers=valid_ipv4_list)["remote_ip"], "4.4.4.4"
+        )
+
+        valid_ipv6 = {"X-Real-IP": "2620:0:1cfe:face:b00c::3"}
+        self.assertEqual(
+            self.fetch_json("/", headers=valid_ipv6)["remote_ip"],
+            "2620:0:1cfe:face:b00c::3",
+        )
+
+        valid_ipv6_list = {"X-Forwarded-For": "::1, 2620:0:1cfe:face:b00c::3"}
+        self.assertEqual(
+            self.fetch_json("/", headers=valid_ipv6_list)["remote_ip"],
+            "2620:0:1cfe:face:b00c::3",
+        )
+
+        invalid_chars = {"X-Real-IP": "4.4.4.4
+
+'
+            for p in paths
+        )
+
+    def render_embed_js(self, js_embed: Iterable[bytes]) -> bytes:
+        """Default method used to render the final embedded js for the
+        rendered webpage.
+
+        Override this method in a sub-classed controller to change the output.
+        """
+        return (
+            b'"
+        )
+
+    def render_linked_css(self, css_files: Iterable[str]) -> str:
+        """Default method used to render the final css links for the
+        rendered webpage.
+
+        Override this method in a sub-classed controller to change the output.
+        """
+        paths = []
+        unique_paths = set()  # type: Set[str]
+
+        for path in css_files:
+            if not is_absolute(path):
+                path = self.static_url(path)
+            if path not in unique_paths:
+                paths.append(path)
+                unique_paths.add(path)
+
+        return "".join(
+            ''
+            for p in paths
+        )
+
+    def render_embed_css(self, css_embed: Iterable[bytes]) -> bytes:
+        """Default method used to render the final embedded css for the
+        rendered webpage.
+
+        Override this method in a sub-classed controller to change the output.
+        """
+        return b'"
+
+    def render_string(self, template_name: str, **kwargs: Any) -> bytes:
+        """Generate the given template with the given arguments.
+
+        We return the generated byte string (in utf8). To generate and
+        write a template as a response, use render() above.
+        """
+        # If no template_path is specified, use the path of the calling file
+        template_path = self.get_template_path()
+        if not template_path:
+            frame = sys._getframe(0)
+            web_file = frame.f_code.co_filename
+            while frame.f_code.co_filename == web_file:
+                frame = frame.f_back
+            assert frame.f_code.co_filename is not None
+            template_path = os.path.dirname(frame.f_code.co_filename)
+        with RequestHandler._template_loader_lock:
+            if template_path not in RequestHandler._template_loaders:
+                loader = self.create_template_loader(template_path)
+                RequestHandler._template_loaders[template_path] = loader
+            else:
+                loader = RequestHandler._template_loaders[template_path]
+        t = loader.load(template_name)
+        namespace = self.get_template_namespace()
+        namespace.update(kwargs)
+        return t.generate(**namespace)
+
+    def get_template_namespace(self) -> Dict[str, Any]:
+        """Returns a dictionary to be used as the default template namespace.
+
+        May be overridden by subclasses to add or modify values.
+
+        The results of this method will be combined with additional
+        defaults in the `tornado.template` module and keyword arguments
+        to `render` or `render_string`.
+        """
+        namespace = dict(
+            handler=self,
+            request=self.request,
+            current_user=self.current_user,
+            locale=self.locale,
+            _=self.locale.translate,
+            pgettext=self.locale.pgettext,
+            static_url=self.static_url,
+            xsrf_form_html=self.xsrf_form_html,
+            reverse_url=self.reverse_url,
+        )
+        namespace.update(self.ui)
+        return namespace
+
+    def create_template_loader(self, template_path: str) -> template.BaseLoader:
+        """Returns a new template loader for the given path.
+
+        May be overridden by subclasses.  By default returns a
+        directory-based loader on the given path, using the
+        ``autoescape`` and ``template_whitespace`` application
+        settings.  If a ``template_loader`` application setting is
+        supplied, uses that instead.
+        """
+        settings = self.application.settings
+        if "template_loader" in settings:
+            return settings["template_loader"]
+        kwargs = {}
+        if "autoescape" in settings:
+            # autoescape=None means "no escaping", so we have to be sure
+            # to only pass this kwarg if the user asked for it.
+            kwargs["autoescape"] = settings["autoescape"]
+        if "template_whitespace" in settings:
+            kwargs["whitespace"] = settings["template_whitespace"]
+        return template.Loader(template_path, **kwargs)
+
+    def flush(self, include_footers: bool = False) -> "Future[None]":
+        """Flushes the current output buffer to the network.
+
+        The ``callback`` argument, if given, can be used for flow control:
+        it will be run when all flushed data has been written to the socket.
+        Note that only one flush callback can be outstanding at a time;
+        if another flush occurs before the previous flush's callback
+        has been run, the previous callback will be discarded.
+
+        .. versionchanged:: 4.0
+           Now returns a `.Future` if no callback is given.
+
+        .. versionchanged:: 6.0
+
+           The ``callback`` argument was removed.
+        """
+        assert self.request.connection is not None
+        chunk = b"".join(self._write_buffer)
+        self._write_buffer = []
+        if not self._headers_written:
+            self._headers_written = True
+            for transform in self._transforms:
+                assert chunk is not None
+                self._status_code, self._headers, chunk = transform.transform_first_chunk(
+                    self._status_code, self._headers, chunk, include_footers
+                )
+            # Ignore the chunk and only write the headers for HEAD requests
+            if self.request.method == "HEAD":
+                chunk = b""
+
+            # Finalize the cookie headers (which have been stored in a side
+            # object so an outgoing cookie could be overwritten before it
+            # is sent).
+            if hasattr(self, "_new_cookie"):
+                for cookie in self._new_cookie.values():
+                    self.add_header("Set-Cookie", cookie.OutputString(None))
+
+            start_line = httputil.ResponseStartLine("", self._status_code, self._reason)
+            return self.request.connection.write_headers(
+                start_line, self._headers, chunk
+            )
+        else:
+            for transform in self._transforms:
+                chunk = transform.transform_chunk(chunk, include_footers)
+            # Ignore the chunk and only write the headers for HEAD requests
+            if self.request.method != "HEAD":
+                return self.request.connection.write(chunk)
+            else:
+                future = Future()  # type: Future[None]
+                future.set_result(None)
+                return future
+
+    def finish(self, chunk: Union[str, bytes, dict] = None) -> "Future[None]":
+        """Finishes this response, ending the HTTP request.
+
+        Passing a ``chunk`` to ``finish()`` is equivalent to passing that
+        chunk to ``write()`` and then calling ``finish()`` with no arguments.
+
+        Returns a `.Future` which may optionally be awaited to track the sending
+        of the response to the client. This `.Future` resolves when all the response
+        data has been sent, and raises an error if the connection is closed before all
+        data can be sent.
+
+        .. versionchanged:: 5.1
+
+           Now returns a `.Future` instead of ``None``.
+        """
+        if self._finished:
+            raise RuntimeError("finish() called twice")
+
+        if chunk is not None:
+            self.write(chunk)
+
+        # Automatically support ETags and add the Content-Length header if
+        # we have not flushed any content yet.
+        if not self._headers_written:
+            if (
+                self._status_code == 200
+                and self.request.method in ("GET", "HEAD")
+                and "Etag" not in self._headers
+            ):
+                self.set_etag_header()
+                if self.check_etag_header():
+                    self._write_buffer = []
+                    self.set_status(304)
+            if self._status_code in (204, 304) or (
+                self._status_code >= 100 and self._status_code < 200
+            ):
+                assert not self._write_buffer, (
+                    "Cannot send body with %s" % self._status_code
+                )
+                self._clear_headers_for_304()
+            elif "Content-Length" not in self._headers:
+                content_length = sum(len(part) for part in self._write_buffer)
+                self.set_header("Content-Length", content_length)
+
+        assert self.request.connection is not None
+        # Now that the request is finished, clear the callback we
+        # set on the HTTPConnection (which would otherwise prevent the
+        # garbage collection of the RequestHandler when there
+        # are keepalive connections)
+        self.request.connection.set_close_callback(None)  # type: ignore
+
+        future = self.flush(include_footers=True)
+        self.request.connection.finish()
+        self._log()
+        self._finished = True
+        self.on_finish()
+        self._break_cycles()
+        return future
+
+    def detach(self) -> iostream.IOStream:
+        """Take control of the underlying stream.
+
+        Returns the underlying `.IOStream` object and stops all
+        further HTTP processing. Intended for implementing protocols
+        like websockets that tunnel over an HTTP handshake.
+
+        This method is only supported when HTTP/1.1 is used.
+
+        .. versionadded:: 5.1
+        """
+        self._finished = True
+        # TODO: add detach to HTTPConnection?
+        return self.request.connection.detach()  # type: ignore
+
+    def _break_cycles(self) -> None:
+        # Break up a reference cycle between this handler and the
+        # _ui_module closures to allow for faster GC on CPython.
+        self.ui = None  # type: ignore
+
+    def send_error(self, status_code: int = 500, **kwargs: Any) -> None:
+        """Sends the given HTTP error code to the browser.
+
+        If `flush()` has already been called, it is not possible to send
+        an error, so this method will simply terminate the response.
+        If output has been written but not yet flushed, it will be discarded
+        and replaced with the error page.
+
+        Override `write_error()` to customize the error page that is returned.
+        Additional keyword arguments are passed through to `write_error`.
+        """
+        if self._headers_written:
+            gen_log.error("Cannot send error response after headers written")
+            if not self._finished:
+                # If we get an error between writing headers and finishing,
+                # we are unlikely to be able to finish due to a
+                # Content-Length mismatch. Try anyway to release the
+                # socket.
+                try:
+                    self.finish()
+                except Exception:
+                    gen_log.error("Failed to flush partial response", exc_info=True)
+            return
+        self.clear()
+
+        reason = kwargs.get("reason")
+        if "exc_info" in kwargs:
+            exception = kwargs["exc_info"][1]
+            if isinstance(exception, HTTPError) and exception.reason:
+                reason = exception.reason
+        self.set_status(status_code, reason=reason)
+        try:
+            self.write_error(status_code, **kwargs)
+        except Exception:
+            app_log.error("Uncaught exception in write_error", exc_info=True)
+        if not self._finished:
+            self.finish()
+
+    def write_error(self, status_code: int, **kwargs: Any) -> None:
+        """Override to implement custom error pages.
+
+        ``write_error`` may call `write`, `render`, `set_header`, etc
+        to produce output as usual.
+
+        If this error was caused by an uncaught exception (including
+        HTTPError), an ``exc_info`` triple will be available as
+        ``kwargs["exc_info"]``.  Note that this exception may not be
+        the "current" exception for purposes of methods like
+        ``sys.exc_info()`` or ``traceback.format_exc``.
+        """
+        if self.settings.get("serve_traceback") and "exc_info" in kwargs:
+            # in debug mode, try to send a traceback
+            self.set_header("Content-Type", "text/plain")
+            for line in traceback.format_exception(*kwargs["exc_info"]):
+                self.write(line)
+            self.finish()
+        else:
+            self.finish(
+                "%(code)d: %(message)s"
+                "%(code)d: %(message)s"
+                % {"code": status_code, "message": self._reason}
+            )
+
+    @property
+    def locale(self) -> tornado.locale.Locale:
+        """The locale for the current session.
+
+        Determined by either `get_user_locale`, which you can override to
+        set the locale based on, e.g., a user preference stored in a
+        database, or `get_browser_locale`, which uses the ``Accept-Language``
+        header.
+
+        .. versionchanged: 4.1
+           Added a property setter.
+        """
+        if not hasattr(self, "_locale"):
+            loc = self.get_user_locale()
+            if loc is not None:
+                self._locale = loc
+            else:
+                self._locale = self.get_browser_locale()
+                assert self._locale
+        return self._locale
+
+    @locale.setter
+    def locale(self, value: tornado.locale.Locale) -> None:
+        self._locale = value
+
+    def get_user_locale(self) -> Optional[tornado.locale.Locale]:
+        """Override to determine the locale from the authenticated user.
+
+        If None is returned, we fall back to `get_browser_locale()`.
+
+        This method should return a `tornado.locale.Locale` object,
+        most likely obtained via a call like ``tornado.locale.get("en")``
+        """
+        return None
+
+    def get_browser_locale(self, default: str = "en_US") -> tornado.locale.Locale:
+        """Determines the user's locale from ``Accept-Language`` header.
+
+        See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
+        """
+        if "Accept-Language" in self.request.headers:
+            languages = self.request.headers["Accept-Language"].split(",")
+            locales = []
+            for language in languages:
+                parts = language.strip().split(";")
+                if len(parts) > 1 and parts[1].startswith("q="):
+                    try:
+                        score = float(parts[1][2:])
+                    except (ValueError, TypeError):
+                        score = 0.0
+                else:
+                    score = 1.0
+                locales.append((parts[0], score))
+            if locales:
+                locales.sort(key=lambda pair: pair[1], reverse=True)
+                codes = [l[0] for l in locales]
+                return locale.get(*codes)
+        return locale.get(default)
+
+    @property
+    def current_user(self) -> Any:
+        """The authenticated user for this request.
+
+        This is set in one of two ways:
+
+        * A subclass may override `get_current_user()`, which will be called
+          automatically the first time ``self.current_user`` is accessed.
+          `get_current_user()` will only be called once per request,
+          and is cached for future access::
+
+              def get_current_user(self):
+                  user_cookie = self.get_secure_cookie("user")
+                  if user_cookie:
+                      return json.loads(user_cookie)
+                  return None
+
+        * It may be set as a normal variable, typically from an overridden
+          `prepare()`::
+
+              @gen.coroutine
+              def prepare(self):
+                  user_id_cookie = self.get_secure_cookie("user_id")
+                  if user_id_cookie:
+                      self.current_user = yield load_user(user_id_cookie)
+
+        Note that `prepare()` may be a coroutine while `get_current_user()`
+        may not, so the latter form is necessary if loading the user requires
+        asynchronous operations.
+
+        The user object may be any type of the application's choosing.
+        """
+        if not hasattr(self, "_current_user"):
+            self._current_user = self.get_current_user()
+        return self._current_user
+
+    @current_user.setter
+    def current_user(self, value: Any) -> None:
+        self._current_user = value
+
+    def get_current_user(self) -> Any:
+        """Override to determine the current user from, e.g., a cookie.
+
+        This method may not be a coroutine.
+        """
+        return None
+
+    def get_login_url(self) -> str:
+        """Override to customize the login URL based on the request.
+
+        By default, we use the ``login_url`` application setting.
+        """
+        self.require_setting("login_url", "@tornado.web.authenticated")
+        return self.application.settings["login_url"]
+
+    def get_template_path(self) -> Optional[str]:
+        """Override to customize template path for each handler.
+
+        By default, we use the ``template_path`` application setting.
+        Return None to load templates relative to the calling file.
+        """
+        return self.application.settings.get("template_path")
+
+    @property
+    def xsrf_token(self) -> bytes:
+        """The XSRF-prevention token for the current user/session.
+
+        To prevent cross-site request forgery, we set an '_xsrf' cookie
+        and include the same '_xsrf' value as an argument with all POST
+        requests. If the two do not match, we reject the form submission
+        as a potential forgery.
+
+        See http://en.wikipedia.org/wiki/Cross-site_request_forgery
+
+        This property is of type `bytes`, but it contains only ASCII
+        characters. If a character string is required, there is no
+        need to base64-encode it; just decode the byte string as
+        UTF-8.
+
+        .. versionchanged:: 3.2.2
+           The xsrf token will now be have a random mask applied in every
+           request, which makes it safe to include the token in pages
+           that are compressed.  See http://breachattack.com for more
+           information on the issue fixed by this change.  Old (version 1)
+           cookies will be converted to version 2 when this method is called
+           unless the ``xsrf_cookie_version`` `Application` setting is
+           set to 1.
+
+        .. versionchanged:: 4.3
+           The ``xsrf_cookie_kwargs`` `Application` setting may be
+           used to supply additional cookie options (which will be
+           passed directly to `set_cookie`). For example,
+           ``xsrf_cookie_kwargs=dict(httponly=True, secure=True)``
+           will set the ``secure`` and ``httponly`` flags on the
+           ``_xsrf`` cookie.
+        """
+        if not hasattr(self, "_xsrf_token"):
+            version, token, timestamp = self._get_raw_xsrf_token()
+            output_version = self.settings.get("xsrf_cookie_version", 2)
+            cookie_kwargs = self.settings.get("xsrf_cookie_kwargs", {})
+            if output_version == 1:
+                self._xsrf_token = binascii.b2a_hex(token)
+            elif output_version == 2:
+                mask = os.urandom(4)
+                self._xsrf_token = b"|".join(
+                    [
+                        b"2",
+                        binascii.b2a_hex(mask),
+                        binascii.b2a_hex(_websocket_mask(mask, token)),
+                        utf8(str(int(timestamp))),
+                    ]
+                )
+            else:
+                raise ValueError("unknown xsrf cookie version %d", output_version)
+            if version is None:
+                if self.current_user and "expires_days" not in cookie_kwargs:
+                    cookie_kwargs["expires_days"] = 30
+                self.set_cookie("_xsrf", self._xsrf_token, **cookie_kwargs)
+        return self._xsrf_token
+
+    def _get_raw_xsrf_token(self) -> Tuple[Optional[int], bytes, float]:
+        """Read or generate the xsrf token in its raw form.
+
+        The raw_xsrf_token is a tuple containing:
+
+        * version: the version of the cookie from which this token was read,
+          or None if we generated a new token in this request.
+        * token: the raw token data; random (non-ascii) bytes.
+        * timestamp: the time this token was generated (will not be accurate
+          for version 1 cookies)
+        """
+        if not hasattr(self, "_raw_xsrf_token"):
+            cookie = self.get_cookie("_xsrf")
+            if cookie:
+                version, token, timestamp = self._decode_xsrf_token(cookie)
+            else:
+                version, token, timestamp = None, None, None
+            if token is None:
+                version = None
+                token = os.urandom(16)
+                timestamp = time.time()
+            assert token is not None
+            assert timestamp is not None
+            self._raw_xsrf_token = (version, token, timestamp)
+        return self._raw_xsrf_token
+
+    def _decode_xsrf_token(
+        self, cookie: str
+    ) -> Tuple[Optional[int], Optional[bytes], Optional[float]]:
+        """Convert a cookie string into a the tuple form returned by
+        _get_raw_xsrf_token.
+        """
+
+        try:
+            m = _signed_value_version_re.match(utf8(cookie))
+
+            if m:
+                version = int(m.group(1))
+                if version == 2:
+                    _, mask_str, masked_token, timestamp_str = cookie.split("|")
+
+                    mask = binascii.a2b_hex(utf8(mask_str))
+                    token = _websocket_mask(mask, binascii.a2b_hex(utf8(masked_token)))
+                    timestamp = int(timestamp_str)
+                    return version, token, timestamp
+                else:
+                    # Treat unknown versions as not present instead of failing.
+                    raise Exception("Unknown xsrf cookie version")
+            else:
+                version = 1
+                try:
+                    token = binascii.a2b_hex(utf8(cookie))
+                except (binascii.Error, TypeError):
+                    token = utf8(cookie)
+                # We don't have a usable timestamp in older versions.
+                timestamp = int(time.time())
+                return (version, token, timestamp)
+        except Exception:
+            # Catch exceptions and return nothing instead of failing.
+            gen_log.debug("Uncaught exception in _decode_xsrf_token", exc_info=True)
+            return None, None, None
+
+    def check_xsrf_cookie(self) -> None:
+        """Verifies that the ``_xsrf`` cookie matches the ``_xsrf`` argument.
+
+        To prevent cross-site request forgery, we set an ``_xsrf``
+        cookie and include the same value as a non-cookie
+        field with all ``POST`` requests. If the two do not match, we
+        reject the form submission as a potential forgery.
+
+        The ``_xsrf`` value may be set as either a form field named ``_xsrf``
+        or in a custom HTTP header named ``X-XSRFToken`` or ``X-CSRFToken``
+        (the latter is accepted for compatibility with Django).
+
+        See http://en.wikipedia.org/wiki/Cross-site_request_forgery
+
+        .. versionchanged:: 3.2.2
+           Added support for cookie version 2.  Both versions 1 and 2 are
+           supported.
+        """
+        # Prior to release 1.1.1, this check was ignored if the HTTP header
+        # ``X-Requested-With: XMLHTTPRequest`` was present.  This exception
+        # has been shown to be insecure and has been removed.  For more
+        # information please see
+        # http://www.djangoproject.com/weblog/2011/feb/08/security/
+        # http://weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-rails
+        token = (
+            self.get_argument("_xsrf", None)
+            or self.request.headers.get("X-Xsrftoken")
+            or self.request.headers.get("X-Csrftoken")
+        )
+        if not token:
+            raise HTTPError(403, "'_xsrf' argument missing from POST")
+        _, token, _ = self._decode_xsrf_token(token)
+        _, expected_token, _ = self._get_raw_xsrf_token()
+        if not token:
+            raise HTTPError(403, "'_xsrf' argument has invalid format")
+        if not hmac.compare_digest(utf8(token), utf8(expected_token)):
+            raise HTTPError(403, "XSRF cookie does not match POST argument")
+
+    def xsrf_form_html(self) -> str:
+        """An HTML ```` element to be included with all POST forms.
+
+        It defines the ``_xsrf`` input value, which we check on all POST
+        requests to prevent cross-site request forgery. If you have set
+        the ``xsrf_cookies`` application setting, you must include this
+        HTML within all of your HTML forms.
+
+        In a template, this method should be called with ``{% module
+        xsrf_form_html() %}``
+
+        See `check_xsrf_cookie()` above for more information.
+        """
+        return (
+            ''
+        )
+
+    def static_url(self, path: str, include_host: bool = None, **kwargs: Any) -> str:
+        """Returns a static URL for the given relative static file path.
+
+        This method requires you set the ``static_path`` setting in your
+        application (which specifies the root directory of your static
+        files).
+
+        This method returns a versioned url (by default appending
+        ``?v=``), which allows the static files to be
+        cached indefinitely.  This can be disabled by passing
+        ``include_version=False`` (in the default implementation;
+        other static file implementations are not required to support
+        this, but they may support other options).
+
+        By default this method returns URLs relative to the current
+        host, but if ``include_host`` is true the URL returned will be
+        absolute.  If this handler has an ``include_host`` attribute,
+        that value will be used as the default for all `static_url`
+        calls that do not pass ``include_host`` as a keyword argument.
+
+        """
+        self.require_setting("static_path", "static_url")
+        get_url = self.settings.get(
+            "static_handler_class", StaticFileHandler
+        ).make_static_url
+
+        if include_host is None:
+            include_host = getattr(self, "include_host", False)
+
+        if include_host:
+            base = self.request.protocol + "://" + self.request.host
+        else:
+            base = ""
+
+        return base + get_url(self.settings, path, **kwargs)
+
+    def require_setting(self, name: str, feature: str = "this feature") -> None:
+        """Raises an exception if the given app setting is not defined."""
+        if not self.application.settings.get(name):
+            raise Exception(
+                "You must define the '%s' setting in your "
+                "application to use %s" % (name, feature)
+            )
+
+    def reverse_url(self, name: str, *args: Any) -> str:
+        """Alias for `Application.reverse_url`."""
+        return self.application.reverse_url(name, *args)
+
+    def compute_etag(self) -> Optional[str]:
+        """Computes the etag header to be used for this request.
+
+        By default uses a hash of the content written so far.
+
+        May be overridden to provide custom etag implementations,
+        or may return None to disable tornado's default etag support.
+        """
+        hasher = hashlib.sha1()
+        for part in self._write_buffer:
+            hasher.update(part)
+        return '"%s"' % hasher.hexdigest()
+
+    def set_etag_header(self) -> None:
+        """Sets the response's Etag header using ``self.compute_etag()``.
+
+        Note: no header will be set if ``compute_etag()`` returns ``None``.
+
+        This method is called automatically when the request is finished.
+        """
+        etag = self.compute_etag()
+        if etag is not None:
+            self.set_header("Etag", etag)
+
+    def check_etag_header(self) -> bool:
+        """Checks the ``Etag`` header against requests's ``If-None-Match``.
+
+        Returns ``True`` if the request's Etag matches and a 304 should be
+        returned. For example::
+
+            self.set_etag_header()
+            if self.check_etag_header():
+                self.set_status(304)
+                return
+
+        This method is called automatically when the request is finished,
+        but may be called earlier for applications that override
+        `compute_etag` and want to do an early check for ``If-None-Match``
+        before completing the request.  The ``Etag`` header should be set
+        (perhaps with `set_etag_header`) before calling this method.
+        """
+        computed_etag = utf8(self._headers.get("Etag", ""))
+        # Find all weak and strong etag values from If-None-Match header
+        # because RFC 7232 allows multiple etag values in a single header.
+        etags = re.findall(
+            br'\*|(?:W/)?"[^"]*"', utf8(self.request.headers.get("If-None-Match", ""))
+        )
+        if not computed_etag or not etags:
+            return False
+
+        match = False
+        if etags[0] == b"*":
+            match = True
+        else:
+            # Use a weak comparison when comparing entity-tags.
+            def val(x: bytes) -> bytes:
+                return x[2:] if x.startswith(b"W/") else x
+
+            for etag in etags:
+                if val(etag) == val(computed_etag):
+                    match = True
+                    break
+        return match
+
+    async def _execute(
+        self, transforms: List["OutputTransform"], *args: bytes, **kwargs: bytes
+    ) -> None:
+        """Executes this request with the given output transforms."""
+        self._transforms = transforms
+        try:
+            if self.request.method not in self.SUPPORTED_METHODS:
+                raise HTTPError(405)
+            self.path_args = [self.decode_argument(arg) for arg in args]
+            self.path_kwargs = dict(
+                (k, self.decode_argument(v, name=k)) for (k, v) in kwargs.items()
+            )
+            # If XSRF cookies are turned on, reject form submissions without
+            # the proper cookie
+            if self.request.method not in (
+                "GET",
+                "HEAD",
+                "OPTIONS",
+            ) and self.application.settings.get("xsrf_cookies"):
+                self.check_xsrf_cookie()
+
+            result = self.prepare()
+            if result is not None:
+                result = await result
+            if self._prepared_future is not None:
+                # Tell the Application we've finished with prepare()
+                # and are ready for the body to arrive.
+                future_set_result_unless_cancelled(self._prepared_future, None)
+            if self._finished:
+                return
+
+            if _has_stream_request_body(self.__class__):
+                # In streaming mode request.body is a Future that signals
+                # the body has been completely received.  The Future has no
+                # result; the data has been passed to self.data_received
+                # instead.
+                try:
+                    await self.request._body_future
+                except iostream.StreamClosedError:
+                    return
+
+            method = getattr(self, self.request.method.lower())
+            result = method(*self.path_args, **self.path_kwargs)
+            if result is not None:
+                result = await result
+            if self._auto_finish and not self._finished:
+                self.finish()
+        except Exception as e:
+            try:
+                self._handle_request_exception(e)
+            except Exception:
+                app_log.error("Exception in exception handler", exc_info=True)
+            finally:
+                # Unset result to avoid circular references
+                result = None
+            if self._prepared_future is not None and not self._prepared_future.done():
+                # In case we failed before setting _prepared_future, do it
+                # now (to unblock the HTTP server).  Note that this is not
+                # in a finally block to avoid GC issues prior to Python 3.4.
+                self._prepared_future.set_result(None)
+
+    def data_received(self, chunk: bytes) -> Optional[Awaitable[None]]:
+        """Implement this method to handle streamed request data.
+
+        Requires the `.stream_request_body` decorator.
+
+        May be a coroutine for flow control.
+        """
+        raise NotImplementedError()
+
+    def _log(self) -> None:
+        """Logs the current request.
+
+        Sort of deprecated since this functionality was moved to the
+        Application, but left in place for the benefit of existing apps
+        that have overridden this method.
+        """
+        self.application.log_request(self)
+
+    def _request_summary(self) -> str:
+        return "%s %s (%s)" % (
+            self.request.method,
+            self.request.uri,
+            self.request.remote_ip,
+        )
+
+    def _handle_request_exception(self, e: BaseException) -> None:
+        if isinstance(e, Finish):
+            # Not an error; just finish the request without logging.
+            if not self._finished:
+                self.finish(*e.args)
+            return
+        try:
+            self.log_exception(*sys.exc_info())
+        except Exception:
+            # An error here should still get a best-effort send_error()
+            # to avoid leaking the connection.
+            app_log.error("Error in exception logger", exc_info=True)
+        if self._finished:
+            # Extra errors after the request has been finished should
+            # be logged, but there is no reason to continue to try and
+            # send a response.
+            return
+        if isinstance(e, HTTPError):
+            self.send_error(e.status_code, exc_info=sys.exc_info())
+        else:
+            self.send_error(500, exc_info=sys.exc_info())
+
+    def log_exception(
+        self,
+        typ: "Optional[Type[BaseException]]",
+        value: Optional[BaseException],
+        tb: Optional[TracebackType],
+    ) -> None:
+        """Override to customize logging of uncaught exceptions.
+
+        By default logs instances of `HTTPError` as warnings without
+        stack traces (on the ``tornado.general`` logger), and all
+        other exceptions as errors with stack traces (on the
+        ``tornado.application`` logger).
+
+        .. versionadded:: 3.1
+        """
+        if isinstance(value, HTTPError):
+            if value.log_message:
+                format = "%d %s: " + value.log_message
+                args = [value.status_code, self._request_summary()] + list(value.args)
+                gen_log.warning(format, *args)
+        else:
+            app_log.error(  # type: ignore
+                "Uncaught exception %s\n%r",
+                self._request_summary(),
+                self.request,
+                exc_info=(typ, value, tb),
+            )
+
+    def _ui_module(self, name: str, module: Type["UIModule"]) -> Callable[..., str]:
+        def render(*args, **kwargs) -> str:  # type: ignore
+            if not hasattr(self, "_active_modules"):
+                self._active_modules = {}  # type: Dict[str, UIModule]
+            if name not in self._active_modules:
+                self._active_modules[name] = module(self)
+            rendered = self._active_modules[name].render(*args, **kwargs)
+            return rendered
+
+        return render
+
+    def _ui_method(self, method: Callable[..., str]) -> Callable[..., str]:
+        return lambda *args, **kwargs: method(self, *args, **kwargs)
+
+    def _clear_headers_for_304(self) -> None:
+        # 304 responses should not contain entity headers (defined in
+        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec7.html#sec7.1)
+        # not explicitly allowed by
+        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5
+        headers = [
+            "Allow",
+            "Content-Encoding",
+            "Content-Language",
+            "Content-Length",
+            "Content-MD5",
+            "Content-Range",
+            "Content-Type",
+            "Last-Modified",
+        ]
+        for h in headers:
+            self.clear_header(h)
+
+
+def stream_request_body(cls: Type[RequestHandler]) -> Type[RequestHandler]:
+    """Apply to `RequestHandler` subclasses to enable streaming body support.
+
+    This decorator implies the following changes:
+
+    * `.HTTPServerRequest.body` is undefined, and body arguments will not
+      be included in `RequestHandler.get_argument`.
+    * `RequestHandler.prepare` is called when the request headers have been
+      read instead of after the entire body has been read.
+    * The subclass must define a method ``data_received(self, data):``, which
+      will be called zero or more times as data is available.  Note that
+      if the request has an empty body, ``data_received`` may not be called.
+    * ``prepare`` and ``data_received`` may return Futures (such as via
+      ``@gen.coroutine``, in which case the next method will not be called
+      until those futures have completed.
+    * The regular HTTP method (``post``, ``put``, etc) will be called after
+      the entire body has been read.
+
+    See the `file receiver demo `_
+    for example usage.
+    """  # noqa: E501
+    if not issubclass(cls, RequestHandler):
+        raise TypeError("expected subclass of RequestHandler, got %r", cls)
+    cls._stream_request_body = True
+    return cls
+
+
+def _has_stream_request_body(cls: Type[RequestHandler]) -> bool:
+    if not issubclass(cls, RequestHandler):
+        raise TypeError("expected subclass of RequestHandler, got %r", cls)
+    return cls._stream_request_body
+
+
+def removeslash(
+    method: Callable[..., Optional[Awaitable[None]]]
+) -> Callable[..., Optional[Awaitable[None]]]:
+    """Use this decorator to remove trailing slashes from the request path.
+
+    For example, a request to ``/foo/`` would redirect to ``/foo`` with this
+    decorator. Your request handler mapping should use a regular expression
+    like ``r'/foo/*'`` in conjunction with using the decorator.
+    """
+
+    @functools.wraps(method)
+    def wrapper(  # type: ignore
+        self: RequestHandler, *args, **kwargs
+    ) -> Optional[Awaitable[None]]:
+        if self.request.path.endswith("/"):
+            if self.request.method in ("GET", "HEAD"):
+                uri = self.request.path.rstrip("/")
+                if uri:  # don't try to redirect '/' to ''
+                    if self.request.query:
+                        uri += "?" + self.request.query
+                    self.redirect(uri, permanent=True)
+                    return None
+            else:
+                raise HTTPError(404)
+        return method(self, *args, **kwargs)
+
+    return wrapper
+
+
+def addslash(
+    method: Callable[..., Optional[Awaitable[None]]]
+) -> Callable[..., Optional[Awaitable[None]]]:
+    """Use this decorator to add a missing trailing slash to the request path.
+
+    For example, a request to ``/foo`` would redirect to ``/foo/`` with this
+    decorator. Your request handler mapping should use a regular expression
+    like ``r'/foo/?'`` in conjunction with using the decorator.
+    """
+
+    @functools.wraps(method)
+    def wrapper(  # type: ignore
+        self: RequestHandler, *args, **kwargs
+    ) -> Optional[Awaitable[None]]:
+        if not self.request.path.endswith("/"):
+            if self.request.method in ("GET", "HEAD"):
+                uri = self.request.path + "/"
+                if self.request.query:
+                    uri += "?" + self.request.query
+                self.redirect(uri, permanent=True)
+                return None
+            raise HTTPError(404)
+        return method(self, *args, **kwargs)
+
+    return wrapper
+
+
+class _ApplicationRouter(ReversibleRuleRouter):
+    """Routing implementation used internally by `Application`.
+
+    Provides a binding between `Application` and `RequestHandler`.
+    This implementation extends `~.routing.ReversibleRuleRouter` in a couple of ways:
+        * it allows to use `RequestHandler` subclasses as `~.routing.Rule` target and
+        * it allows to use a list/tuple of rules as `~.routing.Rule` target.
+        ``process_rule`` implementation will substitute this list with an appropriate
+        `_ApplicationRouter` instance.
+    """
+
+    def __init__(self, application: "Application", rules: _RuleList = None) -> None:
+        assert isinstance(application, Application)
+        self.application = application
+        super(_ApplicationRouter, self).__init__(rules)
+
+    def process_rule(self, rule: Rule) -> Rule:
+        rule = super(_ApplicationRouter, self).process_rule(rule)
+
+        if isinstance(rule.target, (list, tuple)):
+            rule.target = _ApplicationRouter(  # type: ignore
+                self.application, rule.target
+            )
+
+        return rule
+
+    def get_target_delegate(
+        self, target: Any, request: httputil.HTTPServerRequest, **target_params: Any
+    ) -> Optional[httputil.HTTPMessageDelegate]:
+        if isclass(target) and issubclass(target, RequestHandler):
+            return self.application.get_handler_delegate(
+                request, target, **target_params
+            )
+
+        return super(_ApplicationRouter, self).get_target_delegate(
+            target, request, **target_params
+        )
+
+
+class Application(ReversibleRouter):
+    r"""A collection of request handlers that make up a web application.
+
+    Instances of this class are callable and can be passed directly to
+    HTTPServer to serve the application::
+
+        application = web.Application([
+            (r"/", MainPageHandler),
+        ])
+        http_server = httpserver.HTTPServer(application)
+        http_server.listen(8080)
+        ioloop.IOLoop.current().start()
+
+    The constructor for this class takes in a list of `~.routing.Rule`
+    objects or tuples of values corresponding to the arguments of
+    `~.routing.Rule` constructor: ``(matcher, target, [target_kwargs], [name])``,
+    the values in square brackets being optional. The default matcher is
+    `~.routing.PathMatches`, so ``(regexp, target)`` tuples can also be used
+    instead of ``(PathMatches(regexp), target)``.
+
+    A common routing target is a `RequestHandler` subclass, but you can also
+    use lists of rules as a target, which create a nested routing configuration::
+
+        application = web.Application([
+            (HostMatches("example.com"), [
+                (r"/", MainPageHandler),
+                (r"/feed", FeedHandler),
+            ]),
+        ])
+
+    In addition to this you can use nested `~.routing.Router` instances,
+    `~.httputil.HTTPMessageDelegate` subclasses and callables as routing targets
+    (see `~.routing` module docs for more information).
+
+    When we receive requests, we iterate over the list in order and
+    instantiate an instance of the first request class whose regexp
+    matches the request path. The request class can be specified as
+    either a class object or a (fully-qualified) name.
+
+    A dictionary may be passed as the third element (``target_kwargs``)
+    of the tuple, which will be used as keyword arguments to the handler's
+    constructor and `~RequestHandler.initialize` method. This pattern
+    is used for the `StaticFileHandler` in this example (note that a
+    `StaticFileHandler` can be installed automatically with the
+    static_path setting described below)::
+
+        application = web.Application([
+            (r"/static/(.*)", web.StaticFileHandler, {"path": "/var/www"}),
+        ])
+
+    We support virtual hosts with the `add_handlers` method, which takes in
+    a host regular expression as the first argument::
+
+        application.add_handlers(r"www\.myhost\.com", [
+            (r"/article/([0-9]+)", ArticleHandler),
+        ])
+
+    If there's no match for the current request's host, then ``default_host``
+    parameter value is matched against host regular expressions.
+
+
+    .. warning::
+
+       Applications that do not use TLS may be vulnerable to :ref:`DNS
+       rebinding ` attacks. This attack is especially
+       relevant to applications that only listen on ``127.0.0.1`` or
+       other private networks. Appropriate host patterns must be used
+       (instead of the default of ``r'.*'``) to prevent this risk. The
+       ``default_host`` argument must not be used in applications that
+       may be vulnerable to DNS rebinding.
+
+    You can serve static files by sending the ``static_path`` setting
+    as a keyword argument. We will serve those files from the
+    ``/static/`` URI (this is configurable with the
+    ``static_url_prefix`` setting), and we will serve ``/favicon.ico``
+    and ``/robots.txt`` from the same directory.  A custom subclass of
+    `StaticFileHandler` can be specified with the
+    ``static_handler_class`` setting.
+
+    .. versionchanged:: 4.5
+       Integration with the new `tornado.routing` module.
+
+    """
+
+    def __init__(
+        self,
+        handlers: _RuleList = None,
+        default_host: str = None,
+        transforms: List[Type["OutputTransform"]] = None,
+        **settings: Any
+    ) -> None:
+        if transforms is None:
+            self.transforms = []  # type: List[Type[OutputTransform]]
+            if settings.get("compress_response") or settings.get("gzip"):
+                self.transforms.append(GZipContentEncoding)
+        else:
+            self.transforms = transforms
+        self.default_host = default_host
+        self.settings = settings
+        self.ui_modules = {
+            "linkify": _linkify,
+            "xsrf_form_html": _xsrf_form_html,
+            "Template": TemplateModule,
+        }
+        self.ui_methods = {}  # type: Dict[str, Callable[..., str]]
+        self._load_ui_modules(settings.get("ui_modules", {}))
+        self._load_ui_methods(settings.get("ui_methods", {}))
+        if self.settings.get("static_path"):
+            path = self.settings["static_path"]
+            handlers = list(handlers or [])
+            static_url_prefix = settings.get("static_url_prefix", "/static/")
+            static_handler_class = settings.get(
+                "static_handler_class", StaticFileHandler
+            )
+            static_handler_args = settings.get("static_handler_args", {})
+            static_handler_args["path"] = path
+            for pattern in [
+                re.escape(static_url_prefix) + r"(.*)",
+                r"/(favicon\.ico)",
+                r"/(robots\.txt)",
+            ]:
+                handlers.insert(0, (pattern, static_handler_class, static_handler_args))
+
+        if self.settings.get("debug"):
+            self.settings.setdefault("autoreload", True)
+            self.settings.setdefault("compiled_template_cache", False)
+            self.settings.setdefault("static_hash_cache", False)
+            self.settings.setdefault("serve_traceback", True)
+
+        self.wildcard_router = _ApplicationRouter(self, handlers)
+        self.default_router = _ApplicationRouter(
+            self, [Rule(AnyMatches(), self.wildcard_router)]
+        )
+
+        # Automatically reload modified modules
+        if self.settings.get("autoreload"):
+            from tornado import autoreload
+
+            autoreload.start()
+
+    def listen(self, port: int, address: str = "", **kwargs: Any) -> HTTPServer:
+        """Starts an HTTP server for this application on the given port.
+
+        This is a convenience alias for creating an `.HTTPServer`
+        object and calling its listen method.  Keyword arguments not
+        supported by `HTTPServer.listen <.TCPServer.listen>` are passed to the
+        `.HTTPServer` constructor.  For advanced uses
+        (e.g. multi-process mode), do not use this method; create an
+        `.HTTPServer` and call its
+        `.TCPServer.bind`/`.TCPServer.start` methods directly.
+
+        Note that after calling this method you still need to call
+        ``IOLoop.current().start()`` to start the server.
+
+        Returns the `.HTTPServer` object.
+
+        .. versionchanged:: 4.3
+           Now returns the `.HTTPServer` object.
+        """
+        server = HTTPServer(self, **kwargs)
+        server.listen(port, address)
+        return server
+
+    def add_handlers(self, host_pattern: str, host_handlers: _RuleList) -> None:
+        """Appends the given handlers to our handler list.
+
+        Host patterns are processed sequentially in the order they were
+        added. All matching patterns will be considered.
+        """
+        host_matcher = HostMatches(host_pattern)
+        rule = Rule(host_matcher, _ApplicationRouter(self, host_handlers))
+
+        self.default_router.rules.insert(-1, rule)
+
+        if self.default_host is not None:
+            self.wildcard_router.add_rules(
+                [(DefaultHostMatches(self, host_matcher.host_pattern), host_handlers)]
+            )
+
+    def add_transform(self, transform_class: Type["OutputTransform"]) -> None:
+        self.transforms.append(transform_class)
+
+    def _load_ui_methods(self, methods: Any) -> None:
+        if isinstance(methods, types.ModuleType):
+            self._load_ui_methods(dict((n, getattr(methods, n)) for n in dir(methods)))
+        elif isinstance(methods, list):
+            for m in methods:
+                self._load_ui_methods(m)
+        else:
+            for name, fn in methods.items():
+                if (
+                    not name.startswith("_")
+                    and hasattr(fn, "__call__")
+                    and name[0].lower() == name[0]
+                ):
+                    self.ui_methods[name] = fn
+
+    def _load_ui_modules(self, modules: Any) -> None:
+        if isinstance(modules, types.ModuleType):
+            self._load_ui_modules(dict((n, getattr(modules, n)) for n in dir(modules)))
+        elif isinstance(modules, list):
+            for m in modules:
+                self._load_ui_modules(m)
+        else:
+            assert isinstance(modules, dict)
+            for name, cls in modules.items():
+                try:
+                    if issubclass(cls, UIModule):
+                        self.ui_modules[name] = cls
+                except TypeError:
+                    pass
+
+    def __call__(
+        self, request: httputil.HTTPServerRequest
+    ) -> Optional[Awaitable[None]]:
+        # Legacy HTTPServer interface
+        dispatcher = self.find_handler(request)
+        return dispatcher.execute()
+
+    def find_handler(
+        self, request: httputil.HTTPServerRequest, **kwargs: Any
+    ) -> "_HandlerDelegate":
+        route = self.default_router.find_handler(request)
+        if route is not None:
+            return cast("_HandlerDelegate", route)
+
+        if self.settings.get("default_handler_class"):
+            return self.get_handler_delegate(
+                request,
+                self.settings["default_handler_class"],
+                self.settings.get("default_handler_args", {}),
+            )
+
+        return self.get_handler_delegate(request, ErrorHandler, {"status_code": 404})
+
+    def get_handler_delegate(
+        self,
+        request: httputil.HTTPServerRequest,
+        target_class: Type[RequestHandler],
+        target_kwargs: Dict[str, Any] = None,
+        path_args: List[bytes] = None,
+        path_kwargs: Dict[str, bytes] = None,
+    ) -> "_HandlerDelegate":
+        """Returns `~.httputil.HTTPMessageDelegate` that can serve a request
+        for application and `RequestHandler` subclass.
+
+        :arg httputil.HTTPServerRequest request: current HTTP request.
+        :arg RequestHandler target_class: a `RequestHandler` class.
+        :arg dict target_kwargs: keyword arguments for ``target_class`` constructor.
+        :arg list path_args: positional arguments for ``target_class`` HTTP method that
+            will be executed while handling a request (``get``, ``post`` or any other).
+        :arg dict path_kwargs: keyword arguments for ``target_class`` HTTP method.
+        """
+        return _HandlerDelegate(
+            self, request, target_class, target_kwargs, path_args, path_kwargs
+        )
+
+    def reverse_url(self, name: str, *args: Any) -> str:
+        """Returns a URL path for handler named ``name``
+
+        The handler must be added to the application as a named `URLSpec`.
+
+        Args will be substituted for capturing groups in the `URLSpec` regex.
+        They will be converted to strings if necessary, encoded as utf8,
+        and url-escaped.
+        """
+        reversed_url = self.default_router.reverse_url(name, *args)
+        if reversed_url is not None:
+            return reversed_url
+
+        raise KeyError("%s not found in named urls" % name)
+
+    def log_request(self, handler: RequestHandler) -> None:
+        """Writes a completed HTTP request to the logs.
+
+        By default writes to the python root logger.  To change
+        this behavior either subclass Application and override this method,
+        or pass a function in the application settings dictionary as
+        ``log_function``.
+        """
+        if "log_function" in self.settings:
+            self.settings["log_function"](handler)
+            return
+        if handler.get_status() < 400:
+            log_method = access_log.info
+        elif handler.get_status() < 500:
+            log_method = access_log.warning
+        else:
+            log_method = access_log.error
+        request_time = 1000.0 * handler.request.request_time()
+        log_method(
+            "%d %s %.2fms",
+            handler.get_status(),
+            handler._request_summary(),
+            request_time,
+        )
+
+
+class _HandlerDelegate(httputil.HTTPMessageDelegate):
+    def __init__(
+        self,
+        application: Application,
+        request: httputil.HTTPServerRequest,
+        handler_class: Type[RequestHandler],
+        handler_kwargs: Optional[Dict[str, Any]],
+        path_args: Optional[List[bytes]],
+        path_kwargs: Optional[Dict[str, bytes]],
+    ) -> None:
+        self.application = application
+        self.connection = request.connection
+        self.request = request
+        self.handler_class = handler_class
+        self.handler_kwargs = handler_kwargs or {}
+        self.path_args = path_args or []
+        self.path_kwargs = path_kwargs or {}
+        self.chunks = []  # type: List[bytes]
+        self.stream_request_body = _has_stream_request_body(self.handler_class)
+
+    def headers_received(
+        self,
+        start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine],
+        headers: httputil.HTTPHeaders,
+    ) -> Optional[Awaitable[None]]:
+        if self.stream_request_body:
+            self.request._body_future = Future()
+            return self.execute()
+        return None
+
+    def data_received(self, data: bytes) -> Optional[Awaitable[None]]:
+        if self.stream_request_body:
+            return self.handler.data_received(data)
+        else:
+            self.chunks.append(data)
+            return None
+
+    def finish(self) -> None:
+        if self.stream_request_body:
+            future_set_result_unless_cancelled(self.request._body_future, None)
+        else:
+            self.request.body = b"".join(self.chunks)
+            self.request._parse_body()
+            self.execute()
+
+    def on_connection_close(self) -> None:
+        if self.stream_request_body:
+            self.handler.on_connection_close()
+        else:
+            self.chunks = None  # type: ignore
+
+    def execute(self) -> Optional[Awaitable[None]]:
+        # If template cache is disabled (usually in the debug mode),
+        # re-compile templates and reload static files on every
+        # request so you don't need to restart to see changes
+        if not self.application.settings.get("compiled_template_cache", True):
+            with RequestHandler._template_loader_lock:
+                for loader in RequestHandler._template_loaders.values():
+                    loader.reset()
+        if not self.application.settings.get("static_hash_cache", True):
+            StaticFileHandler.reset()
+
+        self.handler = self.handler_class(
+            self.application, self.request, **self.handler_kwargs
+        )
+        transforms = [t(self.request) for t in self.application.transforms]
+
+        if self.stream_request_body:
+            self.handler._prepared_future = Future()
+        # Note that if an exception escapes handler._execute it will be
+        # trapped in the Future it returns (which we are ignoring here,
+        # leaving it to be logged when the Future is GC'd).
+        # However, that shouldn't happen because _execute has a blanket
+        # except handler, and we cannot easily access the IOLoop here to
+        # call add_future (because of the requirement to remain compatible
+        # with WSGI)
+        fut = gen.convert_yielded(
+            self.handler._execute(transforms, *self.path_args, **self.path_kwargs)
+        )
+        fut.add_done_callback(lambda f: f.result())
+        # If we are streaming the request body, then execute() is finished
+        # when the handler has prepared to receive the body.  If not,
+        # it doesn't matter when execute() finishes (so we return None)
+        return self.handler._prepared_future
+
+
+class HTTPError(Exception):
+    """An exception that will turn into an HTTP error response.
+
+    Raising an `HTTPError` is a convenient alternative to calling
+    `RequestHandler.send_error` since it automatically ends the
+    current function.
+
+    To customize the response sent with an `HTTPError`, override
+    `RequestHandler.write_error`.
+
+    :arg int status_code: HTTP status code.  Must be listed in
+        `httplib.responses ` unless the ``reason``
+        keyword argument is given.
+    :arg str log_message: Message to be written to the log for this error
+        (will not be shown to the user unless the `Application` is in debug
+        mode).  May contain ``%s``-style placeholders, which will be filled
+        in with remaining positional parameters.
+    :arg str reason: Keyword-only argument.  The HTTP "reason" phrase
+        to pass in the status line along with ``status_code``.  Normally
+        determined automatically from ``status_code``, but can be used
+        to use a non-standard numeric code.
+    """
+
+    def __init__(
+        self, status_code: int = 500, log_message: str = None, *args: Any, **kwargs: Any
+    ) -> None:
+        self.status_code = status_code
+        self.log_message = log_message
+        self.args = args
+        self.reason = kwargs.get("reason", None)
+        if log_message and not args:
+            self.log_message = log_message.replace("%", "%%")
+
+    def __str__(self) -> str:
+        message = "HTTP %d: %s" % (
+            self.status_code,
+            self.reason or httputil.responses.get(self.status_code, "Unknown"),
+        )
+        if self.log_message:
+            return message + " (" + (self.log_message % self.args) + ")"
+        else:
+            return message
+
+
+class Finish(Exception):
+    """An exception that ends the request without producing an error response.
+
+    When `Finish` is raised in a `RequestHandler`, the request will
+    end (calling `RequestHandler.finish` if it hasn't already been
+    called), but the error-handling methods (including
+    `RequestHandler.write_error`) will not be called.
+
+    If `Finish()` was created with no arguments, the pending response
+    will be sent as-is. If `Finish()` was given an argument, that
+    argument will be passed to `RequestHandler.finish()`.
+
+    This can be a more convenient way to implement custom error pages
+    than overriding ``write_error`` (especially in library code)::
+
+        if self.current_user is None:
+            self.set_status(401)
+            self.set_header('WWW-Authenticate', 'Basic realm="something"')
+            raise Finish()
+
+    .. versionchanged:: 4.3
+       Arguments passed to ``Finish()`` will be passed on to
+       `RequestHandler.finish`.
+    """
+
+    pass
+
+
+class MissingArgumentError(HTTPError):
+    """Exception raised by `RequestHandler.get_argument`.
+
+    This is a subclass of `HTTPError`, so if it is uncaught a 400 response
+    code will be used instead of 500 (and a stack trace will not be logged).
+
+    .. versionadded:: 3.1
+    """
+
+    def __init__(self, arg_name: str) -> None:
+        super(MissingArgumentError, self).__init__(
+            400, "Missing argument %s" % arg_name
+        )
+        self.arg_name = arg_name
+
+
+class ErrorHandler(RequestHandler):
+    """Generates an error response with ``status_code`` for all requests."""
+
+    def initialize(self, status_code: int) -> None:
+        self.set_status(status_code)
+
+    def prepare(self) -> None:
+        raise HTTPError(self._status_code)
+
+    def check_xsrf_cookie(self) -> None:
+        # POSTs to an ErrorHandler don't actually have side effects,
+        # so we don't need to check the xsrf token.  This allows POSTs
+        # to the wrong url to return a 404 instead of 403.
+        pass
+
+
+class RedirectHandler(RequestHandler):
+    """Redirects the client to the given URL for all GET requests.
+
+    You should provide the keyword argument ``url`` to the handler, e.g.::
+
+        application = web.Application([
+            (r"/oldpath", web.RedirectHandler, {"url": "/newpath"}),
+        ])
+
+    `RedirectHandler` supports regular expression substitutions. E.g., to
+    swap the first and second parts of a path while preserving the remainder::
+
+        application = web.Application([
+            (r"/(.*?)/(.*?)/(.*)", web.RedirectHandler, {"url": "/{1}/{0}/{2}"}),
+        ])
+
+    The final URL is formatted with `str.format` and the substrings that match
+    the capturing groups. In the above example, a request to "/a/b/c" would be
+    formatted like::
+
+        str.format("/{1}/{0}/{2}", "a", "b", "c")  # -> "/b/a/c"
+
+    Use Python's :ref:`format string syntax ` to customize how
+    values are substituted.
+
+    .. versionchanged:: 4.5
+       Added support for substitutions into the destination URL.
+
+    .. versionchanged:: 5.0
+       If any query arguments are present, they will be copied to the
+       destination URL.
+    """
+
+    def initialize(self, url: str, permanent: bool = True) -> None:
+        self._url = url
+        self._permanent = permanent
+
+    def get(self, *args: Any) -> None:
+        to_url = self._url.format(*args)
+        if self.request.query_arguments:
+            # TODO: figure out typing for the next line.
+            to_url = httputil.url_concat(
+                to_url,
+                list(httputil.qs_to_qsl(self.request.query_arguments)),  # type: ignore
+            )
+        self.redirect(to_url, permanent=self._permanent)
+
+
+class StaticFileHandler(RequestHandler):
+    """A simple handler that can serve static content from a directory.
+
+    A `StaticFileHandler` is configured automatically if you pass the
+    ``static_path`` keyword argument to `Application`.  This handler
+    can be customized with the ``static_url_prefix``, ``static_handler_class``,
+    and ``static_handler_args`` settings.
+
+    To map an additional path to this handler for a static data directory
+    you would add a line to your application like::
+
+        application = web.Application([
+            (r"/content/(.*)", web.StaticFileHandler, {"path": "/var/www"}),
+        ])
+
+    The handler constructor requires a ``path`` argument, which specifies the
+    local root directory of the content to be served.
+
+    Note that a capture group in the regex is required to parse the value for
+    the ``path`` argument to the get() method (different than the constructor
+    argument above); see `URLSpec` for details.
+
+    To serve a file like ``index.html`` automatically when a directory is
+    requested, set ``static_handler_args=dict(default_filename="index.html")``
+    in your application settings, or add ``default_filename`` as an initializer
+    argument for your ``StaticFileHandler``.
+
+    To maximize the effectiveness of browser caching, this class supports
+    versioned urls (by default using the argument ``?v=``).  If a version
+    is given, we instruct the browser to cache this file indefinitely.
+    `make_static_url` (also available as `RequestHandler.static_url`) can
+    be used to construct a versioned url.
+
+    This handler is intended primarily for use in development and light-duty
+    file serving; for heavy traffic it will be more efficient to use
+    a dedicated static file server (such as nginx or Apache).  We support
+    the HTTP ``Accept-Ranges`` mechanism to return partial content (because
+    some browsers require this functionality to be present to seek in
+    HTML5 audio or video).
+
+    **Subclassing notes**
+
+    This class is designed to be extensible by subclassing, but because
+    of the way static urls are generated with class methods rather than
+    instance methods, the inheritance patterns are somewhat unusual.
+    Be sure to use the ``@classmethod`` decorator when overriding a
+    class method.  Instance methods may use the attributes ``self.path``
+    ``self.absolute_path``, and ``self.modified``.
+
+    Subclasses should only override methods discussed in this section;
+    overriding other methods is error-prone.  Overriding
+    ``StaticFileHandler.get`` is particularly problematic due to the
+    tight coupling with ``compute_etag`` and other methods.
+
+    To change the way static urls are generated (e.g. to match the behavior
+    of another server or CDN), override `make_static_url`, `parse_url_path`,
+    `get_cache_time`, and/or `get_version`.
+
+    To replace all interaction with the filesystem (e.g. to serve
+    static content from a database), override `get_content`,
+    `get_content_size`, `get_modified_time`, `get_absolute_path`, and
+    `validate_absolute_path`.
+
+    .. versionchanged:: 3.1
+       Many of the methods for subclasses were added in Tornado 3.1.
+    """
+
+    CACHE_MAX_AGE = 86400 * 365 * 10  # 10 years
+
+    _static_hashes = {}  # type: Dict[str, Optional[str]]
+    _lock = threading.Lock()  # protects _static_hashes
+
+    def initialize(self, path: str, default_filename: str = None) -> None:
+        self.root = path
+        self.default_filename = default_filename
+
+    @classmethod
+    def reset(cls) -> None:
+        with cls._lock:
+            cls._static_hashes = {}
+
+    def head(self, path: str) -> Awaitable[None]:
+        return self.get(path, include_body=False)
+
+    async def get(self, path: str, include_body: bool = True) -> None:
+        # Set up our path instance variables.
+        self.path = self.parse_url_path(path)
+        del path  # make sure we don't refer to path instead of self.path again
+        absolute_path = self.get_absolute_path(self.root, self.path)
+        self.absolute_path = self.validate_absolute_path(self.root, absolute_path)
+        if self.absolute_path is None:
+            return
+
+        self.modified = self.get_modified_time()
+        self.set_headers()
+
+        if self.should_return_304():
+            self.set_status(304)
+            return
+
+        request_range = None
+        range_header = self.request.headers.get("Range")
+        if range_header:
+            # As per RFC 2616 14.16, if an invalid Range header is specified,
+            # the request will be treated as if the header didn't exist.
+            request_range = httputil._parse_request_range(range_header)
+
+        size = self.get_content_size()
+        if request_range:
+            start, end = request_range
+            if start is not None and start < 0:
+                start += size
+                if start < 0:
+                    start = 0
+            if (
+                start is not None
+                and (start >= size or (end is not None and start >= end))
+            ) or end == 0:
+                # As per RFC 2616 14.35.1, a range is not satisfiable only: if
+                # the first requested byte is equal to or greater than the
+                # content, or when a suffix with length 0 is specified.
+                # https://tools.ietf.org/html/rfc7233#section-2.1
+                # A byte-range-spec is invalid if the last-byte-pos value is present
+                # and less than the first-byte-pos.
+                self.set_status(416)  # Range Not Satisfiable
+                self.set_header("Content-Type", "text/plain")
+                self.set_header("Content-Range", "bytes */%s" % (size,))
+                return
+            if end is not None and end > size:
+                # Clients sometimes blindly use a large range to limit their
+                # download size; cap the endpoint at the actual file size.
+                end = size
+            # Note: only return HTTP 206 if less than the entire range has been
+            # requested. Not only is this semantically correct, but Chrome
+            # refuses to play audio if it gets an HTTP 206 in response to
+            # ``Range: bytes=0-``.
+            if size != (end or size) - (start or 0):
+                self.set_status(206)  # Partial Content
+                self.set_header(
+                    "Content-Range", httputil._get_content_range(start, end, size)
+                )
+        else:
+            start = end = None
+
+        if start is not None and end is not None:
+            content_length = end - start
+        elif end is not None:
+            content_length = end
+        elif start is not None:
+            content_length = size - start
+        else:
+            content_length = size
+        self.set_header("Content-Length", content_length)
+
+        if include_body:
+            content = self.get_content(self.absolute_path, start, end)
+            if isinstance(content, bytes):
+                content = [content]
+            for chunk in content:
+                try:
+                    self.write(chunk)
+                    await self.flush()
+                except iostream.StreamClosedError:
+                    return
+        else:
+            assert self.request.method == "HEAD"
+
+    def compute_etag(self) -> Optional[str]:
+        """Sets the ``Etag`` header based on static url version.
+
+        This allows efficient ``If-None-Match`` checks against cached
+        versions, and sends the correct ``Etag`` for a partial response
+        (i.e. the same ``Etag`` as the full file).
+
+        .. versionadded:: 3.1
+        """
+        assert self.absolute_path is not None
+        version_hash = self._get_cached_version(self.absolute_path)
+        if not version_hash:
+            return None
+        return '"%s"' % (version_hash,)
+
+    def set_headers(self) -> None:
+        """Sets the content and caching headers on the response.
+
+        .. versionadded:: 3.1
+        """
+        self.set_header("Accept-Ranges", "bytes")
+        self.set_etag_header()
+
+        if self.modified is not None:
+            self.set_header("Last-Modified", self.modified)
+
+        content_type = self.get_content_type()
+        if content_type:
+            self.set_header("Content-Type", content_type)
+
+        cache_time = self.get_cache_time(self.path, self.modified, content_type)
+        if cache_time > 0:
+            self.set_header(
+                "Expires",
+                datetime.datetime.utcnow() + datetime.timedelta(seconds=cache_time),
+            )
+            self.set_header("Cache-Control", "max-age=" + str(cache_time))
+
+        self.set_extra_headers(self.path)
+
+    def should_return_304(self) -> bool:
+        """Returns True if the headers indicate that we should return 304.
+
+        .. versionadded:: 3.1
+        """
+        # If client sent If-None-Match, use it, ignore If-Modified-Since
+        if self.request.headers.get("If-None-Match"):
+            return self.check_etag_header()
+
+        # Check the If-Modified-Since, and don't send the result if the
+        # content has not been modified
+        ims_value = self.request.headers.get("If-Modified-Since")
+        if ims_value is not None:
+            date_tuple = email.utils.parsedate(ims_value)
+            if date_tuple is not None:
+                if_since = datetime.datetime(*date_tuple[:6])
+                assert self.modified is not None
+                if if_since >= self.modified:
+                    return True
+
+        return False
+
+    @classmethod
+    def get_absolute_path(cls, root: str, path: str) -> str:
+        """Returns the absolute location of ``path`` relative to ``root``.
+
+        ``root`` is the path configured for this `StaticFileHandler`
+        (in most cases the ``static_path`` `Application` setting).
+
+        This class method may be overridden in subclasses.  By default
+        it returns a filesystem path, but other strings may be used
+        as long as they are unique and understood by the subclass's
+        overridden `get_content`.
+
+        .. versionadded:: 3.1
+        """
+        abspath = os.path.abspath(os.path.join(root, path))
+        return abspath
+
+    def validate_absolute_path(self, root: str, absolute_path: str) -> Optional[str]:
+        """Validate and return the absolute path.
+
+        ``root`` is the configured path for the `StaticFileHandler`,
+        and ``path`` is the result of `get_absolute_path`
+
+        This is an instance method called during request processing,
+        so it may raise `HTTPError` or use methods like
+        `RequestHandler.redirect` (return None after redirecting to
+        halt further processing).  This is where 404 errors for missing files
+        are generated.
+
+        This method may modify the path before returning it, but note that
+        any such modifications will not be understood by `make_static_url`.
+
+        In instance methods, this method's result is available as
+        ``self.absolute_path``.
+
+        .. versionadded:: 3.1
+        """
+        # os.path.abspath strips a trailing /.
+        # We must add it back to `root` so that we only match files
+        # in a directory named `root` instead of files starting with
+        # that prefix.
+        root = os.path.abspath(root)
+        if not root.endswith(os.path.sep):
+            # abspath always removes a trailing slash, except when
+            # root is '/'. This is an unusual case, but several projects
+            # have independently discovered this technique to disable
+            # Tornado's path validation and (hopefully) do their own,
+            # so we need to support it.
+            root += os.path.sep
+        # The trailing slash also needs to be temporarily added back
+        # the requested path so a request to root/ will match.
+        if not (absolute_path + os.path.sep).startswith(root):
+            raise HTTPError(403, "%s is not in root static directory", self.path)
+        if os.path.isdir(absolute_path) and self.default_filename is not None:
+            # need to look at the request.path here for when path is empty
+            # but there is some prefix to the path that was already
+            # trimmed by the routing
+            if not self.request.path.endswith("/"):
+                self.redirect(self.request.path + "/", permanent=True)
+                return None
+            absolute_path = os.path.join(absolute_path, self.default_filename)
+        if not os.path.exists(absolute_path):
+            raise HTTPError(404)
+        if not os.path.isfile(absolute_path):
+            raise HTTPError(403, "%s is not a file", self.path)
+        return absolute_path
+
+    @classmethod
+    def get_content(
+        cls, abspath: str, start: int = None, end: int = None
+    ) -> Generator[bytes, None, None]:
+        """Retrieve the content of the requested resource which is located
+        at the given absolute path.
+
+        This class method may be overridden by subclasses.  Note that its
+        signature is different from other overridable class methods
+        (no ``settings`` argument); this is deliberate to ensure that
+        ``abspath`` is able to stand on its own as a cache key.
+
+        This method should either return a byte string or an iterator
+        of byte strings.  The latter is preferred for large files
+        as it helps reduce memory fragmentation.
+
+        .. versionadded:: 3.1
+        """
+        with open(abspath, "rb") as file:
+            if start is not None:
+                file.seek(start)
+            if end is not None:
+                remaining = end - (start or 0)  # type: Optional[int]
+            else:
+                remaining = None
+            while True:
+                chunk_size = 64 * 1024
+                if remaining is not None and remaining < chunk_size:
+                    chunk_size = remaining
+                chunk = file.read(chunk_size)
+                if chunk:
+                    if remaining is not None:
+                        remaining -= len(chunk)
+                    yield chunk
+                else:
+                    if remaining is not None:
+                        assert remaining == 0
+                    return
+
+    @classmethod
+    def get_content_version(cls, abspath: str) -> str:
+        """Returns a version string for the resource at the given path.
+
+        This class method may be overridden by subclasses.  The
+        default implementation is a hash of the file's contents.
+
+        .. versionadded:: 3.1
+        """
+        data = cls.get_content(abspath)
+        hasher = hashlib.md5()
+        if isinstance(data, bytes):
+            hasher.update(data)
+        else:
+            for chunk in data:
+                hasher.update(chunk)
+        return hasher.hexdigest()
+
+    def _stat(self) -> os.stat_result:
+        assert self.absolute_path is not None
+        if not hasattr(self, "_stat_result"):
+            self._stat_result = os.stat(self.absolute_path)
+        return self._stat_result
+
+    def get_content_size(self) -> int:
+        """Retrieve the total size of the resource at the given path.
+
+        This method may be overridden by subclasses.
+
+        .. versionadded:: 3.1
+
+        .. versionchanged:: 4.0
+           This method is now always called, instead of only when
+           partial results are requested.
+        """
+        stat_result = self._stat()
+        return stat_result.st_size
+
+    def get_modified_time(self) -> Optional[datetime.datetime]:
+        """Returns the time that ``self.absolute_path`` was last modified.
+
+        May be overridden in subclasses.  Should return a `~datetime.datetime`
+        object or None.
+
+        .. versionadded:: 3.1
+        """
+        stat_result = self._stat()
+        # NOTE: Historically, this used stat_result[stat.ST_MTIME],
+        # which truncates the fractional portion of the timestamp. It
+        # was changed from that form to stat_result.st_mtime to
+        # satisfy mypy (which disallows the bracket operator), but the
+        # latter form returns a float instead of an int. For
+        # consistency with the past (and because we have a unit test
+        # that relies on this), we truncate the float here, although
+        # I'm not sure that's the right thing to do.
+        modified = datetime.datetime.utcfromtimestamp(int(stat_result.st_mtime))
+        return modified
+
+    def get_content_type(self) -> str:
+        """Returns the ``Content-Type`` header to be used for this request.
+
+        .. versionadded:: 3.1
+        """
+        assert self.absolute_path is not None
+        mime_type, encoding = mimetypes.guess_type(self.absolute_path)
+        # per RFC 6713, use the appropriate type for a gzip compressed file
+        if encoding == "gzip":
+            return "application/gzip"
+        # As of 2015-07-21 there is no bzip2 encoding defined at
+        # http://www.iana.org/assignments/media-types/media-types.xhtml
+        # So for that (and any other encoding), use octet-stream.
+        elif encoding is not None:
+            return "application/octet-stream"
+        elif mime_type is not None:
+            return mime_type
+        # if mime_type not detected, use application/octet-stream
+        else:
+            return "application/octet-stream"
+
+    def set_extra_headers(self, path: str) -> None:
+        """For subclass to add extra headers to the response"""
+        pass
+
+    def get_cache_time(
+        self, path: str, modified: Optional[datetime.datetime], mime_type: str
+    ) -> int:
+        """Override to customize cache control behavior.
+
+        Return a positive number of seconds to make the result
+        cacheable for that amount of time or 0 to mark resource as
+        cacheable for an unspecified amount of time (subject to
+        browser heuristics).
+
+        By default returns cache expiry of 10 years for resources requested
+        with ``v`` argument.
+        """
+        return self.CACHE_MAX_AGE if "v" in self.request.arguments else 0
+
+    @classmethod
+    def make_static_url(
+        cls, settings: Dict[str, Any], path: str, include_version: bool = True
+    ) -> str:
+        """Constructs a versioned url for the given path.
+
+        This method may be overridden in subclasses (but note that it
+        is a class method rather than an instance method).  Subclasses
+        are only required to implement the signature
+        ``make_static_url(cls, settings, path)``; other keyword
+        arguments may be passed through `~RequestHandler.static_url`
+        but are not standard.
+
+        ``settings`` is the `Application.settings` dictionary.  ``path``
+        is the static path being requested.  The url returned should be
+        relative to the current host.
+
+        ``include_version`` determines whether the generated URL should
+        include the query string containing the version hash of the
+        file corresponding to the given ``path``.
+
+        """
+        url = settings.get("static_url_prefix", "/static/") + path
+        if not include_version:
+            return url
+
+        version_hash = cls.get_version(settings, path)
+        if not version_hash:
+            return url
+
+        return "%s?v=%s" % (url, version_hash)
+
+    def parse_url_path(self, url_path: str) -> str:
+        """Converts a static URL path into a filesystem path.
+
+        ``url_path`` is the path component of the URL with
+        ``static_url_prefix`` removed.  The return value should be
+        filesystem path relative to ``static_path``.
+
+        This is the inverse of `make_static_url`.
+        """
+        if os.path.sep != "/":
+            url_path = url_path.replace("/", os.path.sep)
+        return url_path
+
+    @classmethod
+    def get_version(cls, settings: Dict[str, Any], path: str) -> Optional[str]:
+        """Generate the version string to be used in static URLs.
+
+        ``settings`` is the `Application.settings` dictionary and ``path``
+        is the relative location of the requested asset on the filesystem.
+        The returned value should be a string, or ``None`` if no version
+        could be determined.
+
+        .. versionchanged:: 3.1
+           This method was previously recommended for subclasses to override;
+           `get_content_version` is now preferred as it allows the base
+           class to handle caching of the result.
+        """
+        abs_path = cls.get_absolute_path(settings["static_path"], path)
+        return cls._get_cached_version(abs_path)
+
+    @classmethod
+    def _get_cached_version(cls, abs_path: str) -> Optional[str]:
+        with cls._lock:
+            hashes = cls._static_hashes
+            if abs_path not in hashes:
+                try:
+                    hashes[abs_path] = cls.get_content_version(abs_path)
+                except Exception:
+                    gen_log.error("Could not open static file %r", abs_path)
+                    hashes[abs_path] = None
+            hsh = hashes.get(abs_path)
+            if hsh:
+                return hsh
+        return None
+
+
+class FallbackHandler(RequestHandler):
+    """A `RequestHandler` that wraps another HTTP server callback.
+
+    The fallback is a callable object that accepts an
+    `~.httputil.HTTPServerRequest`, such as an `Application` or
+    `tornado.wsgi.WSGIContainer`.  This is most useful to use both
+    Tornado ``RequestHandlers`` and WSGI in the same server.  Typical
+    usage::
+
+        wsgi_app = tornado.wsgi.WSGIContainer(
+            django.core.handlers.wsgi.WSGIHandler())
+        application = tornado.web.Application([
+            (r"/foo", FooHandler),
+            (r".*", FallbackHandler, dict(fallback=wsgi_app),
+        ])
+    """
+
+    def initialize(
+        self, fallback: Callable[[httputil.HTTPServerRequest], None]
+    ) -> None:
+        self.fallback = fallback
+
+    def prepare(self) -> None:
+        self.fallback(self.request)
+        self._finished = True
+        self.on_finish()
+
+
+class OutputTransform(object):
+    """A transform modifies the result of an HTTP request (e.g., GZip encoding)
+
+    Applications are not expected to create their own OutputTransforms
+    or interact with them directly; the framework chooses which transforms
+    (if any) to apply.
+    """
+
+    def __init__(self, request: httputil.HTTPServerRequest) -> None:
+        pass
+
+    def transform_first_chunk(
+        self,
+        status_code: int,
+        headers: httputil.HTTPHeaders,
+        chunk: bytes,
+        finishing: bool,
+    ) -> Tuple[int, httputil.HTTPHeaders, bytes]:
+        return status_code, headers, chunk
+
+    def transform_chunk(self, chunk: bytes, finishing: bool) -> bytes:
+        return chunk
+
+
+class GZipContentEncoding(OutputTransform):
+    """Applies the gzip content encoding to the response.
+
+    See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.11
+
+    .. versionchanged:: 4.0
+        Now compresses all mime types beginning with ``text/``, instead
+        of just a whitelist. (the whitelist is still used for certain
+        non-text mime types).
+    """
+
+    # Whitelist of compressible mime types (in addition to any types
+    # beginning with "text/").
+    CONTENT_TYPES = set(
+        [
+            "application/javascript",
+            "application/x-javascript",
+            "application/xml",
+            "application/atom+xml",
+            "application/json",
+            "application/xhtml+xml",
+            "image/svg+xml",
+        ]
+    )
+    # Python's GzipFile defaults to level 9, while most other gzip
+    # tools (including gzip itself) default to 6, which is probably a
+    # better CPU/size tradeoff.
+    GZIP_LEVEL = 6
+    # Responses that are too short are unlikely to benefit from gzipping
+    # after considering the "Content-Encoding: gzip" header and the header
+    # inside the gzip encoding.
+    # Note that responses written in multiple chunks will be compressed
+    # regardless of size.
+    MIN_LENGTH = 1024
+
+    def __init__(self, request: httputil.HTTPServerRequest) -> None:
+        self._gzipping = "gzip" in request.headers.get("Accept-Encoding", "")
+
+    def _compressible_type(self, ctype: str) -> bool:
+        return ctype.startswith("text/") or ctype in self.CONTENT_TYPES
+
+    def transform_first_chunk(
+        self,
+        status_code: int,
+        headers: httputil.HTTPHeaders,
+        chunk: bytes,
+        finishing: bool,
+    ) -> Tuple[int, httputil.HTTPHeaders, bytes]:
+        # TODO: can/should this type be inherited from the superclass?
+        if "Vary" in headers:
+            headers["Vary"] += ", Accept-Encoding"
+        else:
+            headers["Vary"] = "Accept-Encoding"
+        if self._gzipping:
+            ctype = _unicode(headers.get("Content-Type", "")).split(";")[0]
+            self._gzipping = (
+                self._compressible_type(ctype)
+                and (not finishing or len(chunk) >= self.MIN_LENGTH)
+                and ("Content-Encoding" not in headers)
+            )
+        if self._gzipping:
+            headers["Content-Encoding"] = "gzip"
+            self._gzip_value = BytesIO()
+            self._gzip_file = gzip.GzipFile(
+                mode="w", fileobj=self._gzip_value, compresslevel=self.GZIP_LEVEL
+            )
+            chunk = self.transform_chunk(chunk, finishing)
+            if "Content-Length" in headers:
+                # The original content length is no longer correct.
+                # If this is the last (and only) chunk, we can set the new
+                # content-length; otherwise we remove it and fall back to
+                # chunked encoding.
+                if finishing:
+                    headers["Content-Length"] = str(len(chunk))
+                else:
+                    del headers["Content-Length"]
+        return status_code, headers, chunk
+
+    def transform_chunk(self, chunk: bytes, finishing: bool) -> bytes:
+        if self._gzipping:
+            self._gzip_file.write(chunk)
+            if finishing:
+                self._gzip_file.close()
+            else:
+                self._gzip_file.flush()
+            chunk = self._gzip_value.getvalue()
+            self._gzip_value.truncate(0)
+            self._gzip_value.seek(0)
+        return chunk
+
+
+def authenticated(
+    method: Callable[..., Optional[Awaitable[None]]]
+) -> Callable[..., Optional[Awaitable[None]]]:
+    """Decorate methods with this to require that the user be logged in.
+
+    If the user is not logged in, they will be redirected to the configured
+    `login url `.
+
+    If you configure a login url with a query parameter, Tornado will
+    assume you know what you're doing and use it as-is.  If not, it
+    will add a `next` parameter so the login page knows where to send
+    you once you're logged in.
+    """
+
+    @functools.wraps(method)
+    def wrapper(  # type: ignore
+        self: RequestHandler, *args, **kwargs
+    ) -> Optional[Awaitable[None]]:
+        if not self.current_user:
+            if self.request.method in ("GET", "HEAD"):
+                url = self.get_login_url()
+                if "?" not in url:
+                    if urllib.parse.urlsplit(url).scheme:
+                        # if login url is absolute, make next absolute too
+                        next_url = self.request.full_url()
+                    else:
+                        assert self.request.uri is not None
+                        next_url = self.request.uri
+                    url += "?" + urlencode(dict(next=next_url))
+                self.redirect(url)
+                return None
+            raise HTTPError(403)
+        return method(self, *args, **kwargs)
+
+    return wrapper
+
+
+class UIModule(object):
+    """A re-usable, modular UI unit on a page.
+
+    UI modules often execute additional queries, and they can include
+    additional CSS and JavaScript that will be included in the output
+    page, which is automatically inserted on page render.
+
+    Subclasses of UIModule must override the `render` method.
+    """
+
+    def __init__(self, handler: RequestHandler) -> None:
+        self.handler = handler
+        self.request = handler.request
+        self.ui = handler.ui
+        self.locale = handler.locale
+
+    @property
+    def current_user(self) -> Any:
+        return self.handler.current_user
+
+    def render(self, *args: Any, **kwargs: Any) -> str:
+        """Override in subclasses to return this module's output."""
+        raise NotImplementedError()
+
+    def embedded_javascript(self) -> Optional[str]:
+        """Override to return a JavaScript string
+        to be embedded in the page."""
+        return None
+
+    def javascript_files(self) -> Optional[Iterable[str]]:
+        """Override to return a list of JavaScript files needed by this module.
+
+        If the return values are relative paths, they will be passed to
+        `RequestHandler.static_url`; otherwise they will be used as-is.
+        """
+        return None
+
+    def embedded_css(self) -> Optional[str]:
+        """Override to return a CSS string
+        that will be embedded in the page."""
+        return None
+
+    def css_files(self) -> Optional[Iterable[str]]:
+        """Override to returns a list of CSS files required by this module.
+
+        If the return values are relative paths, they will be passed to
+        `RequestHandler.static_url`; otherwise they will be used as-is.
+        """
+        return None
+
+    def html_head(self) -> Optional[str]:
+        """Override to return an HTML string that will be put in the 
+        element.
+        """
+        return None
+
+    def html_body(self) -> Optional[str]:
+        """Override to return an HTML string that will be put at the end of
+        the  element.
+        """
+        return None
+
+    def render_string(self, path: str, **kwargs: Any) -> bytes:
+        """Renders a template and returns it as a string."""
+        return self.handler.render_string(path, **kwargs)
+
+
+class _linkify(UIModule):
+    def render(self, text: str, **kwargs: Any) -> str:  # type: ignore
+        return escape.linkify(text, **kwargs)
+
+
+class _xsrf_form_html(UIModule):
+    def render(self) -> str:  # type: ignore
+        return self.handler.xsrf_form_html()
+
+
+class TemplateModule(UIModule):
+    """UIModule that simply renders the given template.
+
+    {% module Template("foo.html") %} is similar to {% include "foo.html" %},
+    but the module version gets its own namespace (with kwargs passed to
+    Template()) instead of inheriting the outer template's namespace.
+
+    Templates rendered through this module also get access to UIModule's
+    automatic javascript/css features.  Simply call set_resources
+    inside the template and give it keyword arguments corresponding to
+    the methods on UIModule: {{ set_resources(js_files=static_url("my.js")) }}
+    Note that these resources are output once per template file, not once
+    per instantiation of the template, so they must not depend on
+    any arguments to the template.
+    """
+
+    def __init__(self, handler: RequestHandler) -> None:
+        super(TemplateModule, self).__init__(handler)
+        # keep resources in both a list and a dict to preserve order
+        self._resource_list = []  # type: List[Dict[str, Any]]
+        self._resource_dict = {}  # type: Dict[str, Dict[str, Any]]
+
+    def render(self, path: str, **kwargs: Any) -> bytes:  # type: ignore
+        def set_resources(**kwargs) -> str:  # type: ignore
+            if path not in self._resource_dict:
+                self._resource_list.append(kwargs)
+                self._resource_dict[path] = kwargs
+            else:
+                if self._resource_dict[path] != kwargs:
+                    raise ValueError(
+                        "set_resources called with different "
+                        "resources for the same template"
+                    )
+            return ""
+
+        return self.render_string(path, set_resources=set_resources, **kwargs)
+
+    def _get_resources(self, key: str) -> Iterable[str]:
+        return (r[key] for r in self._resource_list if key in r)
+
+    def embedded_javascript(self) -> str:
+        return "\n".join(self._get_resources("embedded_javascript"))
+
+    def javascript_files(self) -> Iterable[str]:
+        result = []
+        for f in self._get_resources("javascript_files"):
+            if isinstance(f, (unicode_type, bytes)):
+                result.append(f)
+            else:
+                result.extend(f)
+        return result
+
+    def embedded_css(self) -> str:
+        return "\n".join(self._get_resources("embedded_css"))
+
+    def css_files(self) -> Iterable[str]:
+        result = []
+        for f in self._get_resources("css_files"):
+            if isinstance(f, (unicode_type, bytes)):
+                result.append(f)
+            else:
+                result.extend(f)
+        return result
+
+    def html_head(self) -> str:
+        return "".join(self._get_resources("html_head"))
+
+    def html_body(self) -> str:
+        return "".join(self._get_resources("html_body"))
+
+
+class _UIModuleNamespace(object):
+    """Lazy namespace which creates UIModule proxies bound to a handler."""
+
+    def __init__(
+        self, handler: RequestHandler, ui_modules: Dict[str, Type[UIModule]]
+    ) -> None:
+        self.handler = handler
+        self.ui_modules = ui_modules
+
+    def __getitem__(self, key: str) -> Callable[..., str]:
+        return self.handler._ui_module(key, self.ui_modules[key])
+
+    def __getattr__(self, key: str) -> Callable[..., str]:
+        try:
+            return self[key]
+        except KeyError as e:
+            raise AttributeError(str(e))
+
+
+def create_signed_value(
+    secret: _CookieSecretTypes,
+    name: str,
+    value: Union[str, bytes],
+    version: int = None,
+    clock: Callable[[], float] = None,
+    key_version: int = None,
+) -> bytes:
+    if version is None:
+        version = DEFAULT_SIGNED_VALUE_VERSION
+    if clock is None:
+        clock = time.time
+
+    timestamp = utf8(str(int(clock())))
+    value = base64.b64encode(utf8(value))
+    if version == 1:
+        assert not isinstance(secret, dict)
+        signature = _create_signature_v1(secret, name, value, timestamp)
+        value = b"|".join([value, timestamp, signature])
+        return value
+    elif version == 2:
+        # The v2 format consists of a version number and a series of
+        # length-prefixed fields "%d:%s", the last of which is a
+        # signature, all separated by pipes.  All numbers are in
+        # decimal format with no leading zeros.  The signature is an
+        # HMAC-SHA256 of the whole string up to that point, including
+        # the final pipe.
+        #
+        # The fields are:
+        # - format version (i.e. 2; no length prefix)
+        # - key version (integer, default is 0)
+        # - timestamp (integer seconds since epoch)
+        # - name (not encoded; assumed to be ~alphanumeric)
+        # - value (base64-encoded)
+        # - signature (hex-encoded; no length prefix)
+        def format_field(s: Union[str, bytes]) -> bytes:
+            return utf8("%d:" % len(s)) + utf8(s)
+
+        to_sign = b"|".join(
+            [
+                b"2",
+                format_field(str(key_version or 0)),
+                format_field(timestamp),
+                format_field(name),
+                format_field(value),
+                b"",
+            ]
+        )
+
+        if isinstance(secret, dict):
+            assert (
+                key_version is not None
+            ), "Key version must be set when sign key dict is used"
+            assert version >= 2, "Version must be at least 2 for key version support"
+            secret = secret[key_version]
+
+        signature = _create_signature_v2(secret, to_sign)
+        return to_sign + signature
+    else:
+        raise ValueError("Unsupported version %d" % version)
+
+
+# A leading version number in decimal
+# with no leading zeros, followed by a pipe.
+_signed_value_version_re = re.compile(br"^([1-9][0-9]*)\|(.*)$")
+
+
+def _get_version(value: bytes) -> int:
+    # Figures out what version value is.  Version 1 did not include an
+    # explicit version field and started with arbitrary base64 data,
+    # which makes this tricky.
+    m = _signed_value_version_re.match(value)
+    if m is None:
+        version = 1
+    else:
+        try:
+            version = int(m.group(1))
+            if version > 999:
+                # Certain payloads from the version-less v1 format may
+                # be parsed as valid integers.  Due to base64 padding
+                # restrictions, this can only happen for numbers whose
+                # length is a multiple of 4, so we can treat all
+                # numbers up to 999 as versions, and for the rest we
+                # fall back to v1 format.
+                version = 1
+        except ValueError:
+            version = 1
+    return version
+
+
+def decode_signed_value(
+    secret: _CookieSecretTypes,
+    name: str,
+    value: Union[None, str, bytes],
+    max_age_days: int = 31,
+    clock: Callable[[], float] = None,
+    min_version: int = None,
+) -> Optional[bytes]:
+    if clock is None:
+        clock = time.time
+    if min_version is None:
+        min_version = DEFAULT_SIGNED_VALUE_MIN_VERSION
+    if min_version > 2:
+        raise ValueError("Unsupported min_version %d" % min_version)
+    if not value:
+        return None
+
+    value = utf8(value)
+    version = _get_version(value)
+
+    if version < min_version:
+        return None
+    if version == 1:
+        assert not isinstance(secret, dict)
+        return _decode_signed_value_v1(secret, name, value, max_age_days, clock)
+    elif version == 2:
+        return _decode_signed_value_v2(secret, name, value, max_age_days, clock)
+    else:
+        return None
+
+
+def _decode_signed_value_v1(
+    secret: Union[str, bytes],
+    name: str,
+    value: bytes,
+    max_age_days: int,
+    clock: Callable[[], float],
+) -> Optional[bytes]:
+    parts = utf8(value).split(b"|")
+    if len(parts) != 3:
+        return None
+    signature = _create_signature_v1(secret, name, parts[0], parts[1])
+    if not hmac.compare_digest(parts[2], signature):
+        gen_log.warning("Invalid cookie signature %r", value)
+        return None
+    timestamp = int(parts[1])
+    if timestamp < clock() - max_age_days * 86400:
+        gen_log.warning("Expired cookie %r", value)
+        return None
+    if timestamp > clock() + 31 * 86400:
+        # _cookie_signature does not hash a delimiter between the
+        # parts of the cookie, so an attacker could transfer trailing
+        # digits from the payload to the timestamp without altering the
+        # signature.  For backwards compatibility, sanity-check timestamp
+        # here instead of modifying _cookie_signature.
+        gen_log.warning("Cookie timestamp in future; possible tampering %r", value)
+        return None
+    if parts[1].startswith(b"0"):
+        gen_log.warning("Tampered cookie %r", value)
+        return None
+    try:
+        return base64.b64decode(parts[0])
+    except Exception:
+        return None
+
+
+def _decode_fields_v2(value: bytes) -> Tuple[int, bytes, bytes, bytes, bytes]:
+    def _consume_field(s: bytes) -> Tuple[bytes, bytes]:
+        length, _, rest = s.partition(b":")
+        n = int(length)
+        field_value = rest[:n]
+        # In python 3, indexing bytes returns small integers; we must
+        # use a slice to get a byte string as in python 2.
+        if rest[n : n + 1] != b"|":
+            raise ValueError("malformed v2 signed value field")
+        rest = rest[n + 1 :]
+        return field_value, rest
+
+    rest = value[2:]  # remove version number
+    key_version, rest = _consume_field(rest)
+    timestamp, rest = _consume_field(rest)
+    name_field, rest = _consume_field(rest)
+    value_field, passed_sig = _consume_field(rest)
+    return int(key_version), timestamp, name_field, value_field, passed_sig
+
+
+def _decode_signed_value_v2(
+    secret: _CookieSecretTypes,
+    name: str,
+    value: bytes,
+    max_age_days: int,
+    clock: Callable[[], float],
+) -> Optional[bytes]:
+    try:
+        key_version, timestamp_bytes, name_field, value_field, passed_sig = _decode_fields_v2(
+            value
+        )
+    except ValueError:
+        return None
+    signed_string = value[: -len(passed_sig)]
+
+    if isinstance(secret, dict):
+        try:
+            secret = secret[key_version]
+        except KeyError:
+            return None
+
+    expected_sig = _create_signature_v2(secret, signed_string)
+    if not hmac.compare_digest(passed_sig, expected_sig):
+        return None
+    if name_field != utf8(name):
+        return None
+    timestamp = int(timestamp_bytes)
+    if timestamp < clock() - max_age_days * 86400:
+        # The signature has expired.
+        return None
+    try:
+        return base64.b64decode(value_field)
+    except Exception:
+        return None
+
+
+def get_signature_key_version(value: Union[str, bytes]) -> Optional[int]:
+    value = utf8(value)
+    version = _get_version(value)
+    if version < 2:
+        return None
+    try:
+        key_version, _, _, _, _ = _decode_fields_v2(value)
+    except ValueError:
+        return None
+
+    return key_version
+
+
+def _create_signature_v1(secret: Union[str, bytes], *parts: Union[str, bytes]) -> bytes:
+    hash = hmac.new(utf8(secret), digestmod=hashlib.sha1)
+    for part in parts:
+        hash.update(utf8(part))
+    return utf8(hash.hexdigest())
+
+
+def _create_signature_v2(secret: Union[str, bytes], s: bytes) -> bytes:
+    hash = hmac.new(utf8(secret), digestmod=hashlib.sha256)
+    hash.update(utf8(s))
+    return utf8(hash.hexdigest())
+
+
+def is_absolute(path: str) -> bool:
+    return any(path.startswith(x) for x in ["/", "http:", "https:"])
diff --git a/venv/lib/python3.7/site-packages/tornado/websocket.py b/venv/lib/python3.7/site-packages/tornado/websocket.py
new file mode 100644
index 0000000..d991fee
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/websocket.py
@@ -0,0 +1,1663 @@
+"""Implementation of the WebSocket protocol.
+
+`WebSockets `_ allow for bidirectional
+communication between the browser and server.
+
+WebSockets are supported in the current versions of all major browsers,
+although older versions that do not support WebSockets are still in use
+(refer to http://caniuse.com/websockets for details).
+
+This module implements the final version of the WebSocket protocol as
+defined in `RFC 6455 `_.  Certain
+browser versions (notably Safari 5.x) implemented an earlier draft of
+the protocol (known as "draft 76") and are not compatible with this module.
+
+.. versionchanged:: 4.0
+   Removed support for the draft 76 protocol version.
+"""
+
+import abc
+import asyncio
+import base64
+import hashlib
+import os
+import sys
+import struct
+import tornado.escape
+import tornado.web
+from urllib.parse import urlparse
+import zlib
+
+from tornado.concurrent import Future, future_set_result_unless_cancelled
+from tornado.escape import utf8, native_str, to_unicode
+from tornado import gen, httpclient, httputil
+from tornado.ioloop import IOLoop, PeriodicCallback
+from tornado.iostream import StreamClosedError, IOStream
+from tornado.log import gen_log, app_log
+from tornado import simple_httpclient
+from tornado.queues import Queue
+from tornado.tcpclient import TCPClient
+from tornado.util import _websocket_mask
+
+from typing import (
+    TYPE_CHECKING,
+    cast,
+    Any,
+    Optional,
+    Dict,
+    Union,
+    List,
+    Awaitable,
+    Callable,
+    Tuple,
+    Type,
+)
+from types import TracebackType
+
+if TYPE_CHECKING:
+    from typing_extensions import Protocol
+
+    # The zlib compressor types aren't actually exposed anywhere
+    # publicly, so declare protocols for the portions we use.
+    class _Compressor(Protocol):
+        def compress(self, data: bytes) -> bytes:
+            pass
+
+        def flush(self, mode: int) -> bytes:
+            pass
+
+    class _Decompressor(Protocol):
+        unconsumed_tail = b""  # type: bytes
+
+        def decompress(self, data: bytes, max_length: int) -> bytes:
+            pass
+
+    class _WebSocketDelegate(Protocol):
+        # The common base interface implemented by WebSocketHandler on
+        # the server side and WebSocketClientConnection on the client
+        # side.
+        def on_ws_connection_close(
+            self, close_code: int = None, close_reason: str = None
+        ) -> None:
+            pass
+
+        def on_message(self, message: Union[str, bytes]) -> Optional["Awaitable[None]"]:
+            pass
+
+        def on_ping(self, data: bytes) -> None:
+            pass
+
+        def on_pong(self, data: bytes) -> None:
+            pass
+
+        def log_exception(
+            self,
+            typ: Optional[Type[BaseException]],
+            value: Optional[BaseException],
+            tb: Optional[TracebackType],
+        ) -> None:
+            pass
+
+
+_default_max_message_size = 10 * 1024 * 1024
+
+
+class WebSocketError(Exception):
+    pass
+
+
+class WebSocketClosedError(WebSocketError):
+    """Raised by operations on a closed connection.
+
+    .. versionadded:: 3.2
+    """
+
+    pass
+
+
+class _DecompressTooLargeError(Exception):
+    pass
+
+
+class _WebSocketParams(object):
+    def __init__(
+        self,
+        ping_interval: float = None,
+        ping_timeout: float = None,
+        max_message_size: int = _default_max_message_size,
+        compression_options: Dict[str, Any] = None,
+    ) -> None:
+        self.ping_interval = ping_interval
+        self.ping_timeout = ping_timeout
+        self.max_message_size = max_message_size
+        self.compression_options = compression_options
+
+
+class WebSocketHandler(tornado.web.RequestHandler):
+    """Subclass this class to create a basic WebSocket handler.
+
+    Override `on_message` to handle incoming messages, and use
+    `write_message` to send messages to the client. You can also
+    override `open` and `on_close` to handle opened and closed
+    connections.
+
+    Custom upgrade response headers can be sent by overriding
+    `~tornado.web.RequestHandler.set_default_headers` or
+    `~tornado.web.RequestHandler.prepare`.
+
+    See http://dev.w3.org/html5/websockets/ for details on the
+    JavaScript interface.  The protocol is specified at
+    http://tools.ietf.org/html/rfc6455.
+
+    Here is an example WebSocket handler that echos back all received messages
+    back to the client:
+
+    .. testcode::
+
+      class EchoWebSocket(tornado.websocket.WebSocketHandler):
+          def open(self):
+              print("WebSocket opened")
+
+          def on_message(self, message):
+              self.write_message(u"You said: " + message)
+
+          def on_close(self):
+              print("WebSocket closed")
+
+    .. testoutput::
+       :hide:
+
+    WebSockets are not standard HTTP connections. The "handshake" is
+    HTTP, but after the handshake, the protocol is
+    message-based. Consequently, most of the Tornado HTTP facilities
+    are not available in handlers of this type. The only communication
+    methods available to you are `write_message()`, `ping()`, and
+    `close()`. Likewise, your request handler class should implement
+    `open()` method rather than ``get()`` or ``post()``.
+
+    If you map the handler above to ``/websocket`` in your application, you can
+    invoke it in JavaScript with::
+
+      var ws = new WebSocket("ws://localhost:8888/websocket");
+      ws.onopen = function() {
+         ws.send("Hello, world");
+      };
+      ws.onmessage = function (evt) {
+         alert(evt.data);
+      };
+
+    This script pops up an alert box that says "You said: Hello, world".
+
+    Web browsers allow any site to open a websocket connection to any other,
+    instead of using the same-origin policy that governs other network
+    access from javascript.  This can be surprising and is a potential
+    security hole, so since Tornado 4.0 `WebSocketHandler` requires
+    applications that wish to receive cross-origin websockets to opt in
+    by overriding the `~WebSocketHandler.check_origin` method (see that
+    method's docs for details).  Failure to do so is the most likely
+    cause of 403 errors when making a websocket connection.
+
+    When using a secure websocket connection (``wss://``) with a self-signed
+    certificate, the connection from a browser may fail because it wants
+    to show the "accept this certificate" dialog but has nowhere to show it.
+    You must first visit a regular HTML page using the same certificate
+    to accept it before the websocket connection will succeed.
+
+    If the application setting ``websocket_ping_interval`` has a non-zero
+    value, a ping will be sent periodically, and the connection will be
+    closed if a response is not received before the ``websocket_ping_timeout``.
+
+    Messages larger than the ``websocket_max_message_size`` application setting
+    (default 10MiB) will not be accepted.
+
+    .. versionchanged:: 4.5
+       Added ``websocket_ping_interval``, ``websocket_ping_timeout``, and
+       ``websocket_max_message_size``.
+    """
+
+    def __init__(
+        self,
+        application: tornado.web.Application,
+        request: httputil.HTTPServerRequest,
+        **kwargs: Any
+    ) -> None:
+        super(WebSocketHandler, self).__init__(application, request, **kwargs)
+        self.ws_connection = None  # type: Optional[WebSocketProtocol]
+        self.close_code = None  # type: Optional[int]
+        self.close_reason = None  # type: Optional[str]
+        self.stream = None  # type: Optional[IOStream]
+        self._on_close_called = False
+
+    async def get(self, *args: Any, **kwargs: Any) -> None:
+        self.open_args = args
+        self.open_kwargs = kwargs
+
+        # Upgrade header should be present and should be equal to WebSocket
+        if self.request.headers.get("Upgrade", "").lower() != "websocket":
+            self.set_status(400)
+            log_msg = 'Can "Upgrade" only to "WebSocket".'
+            self.finish(log_msg)
+            gen_log.debug(log_msg)
+            return
+
+        # Connection header should be upgrade.
+        # Some proxy servers/load balancers
+        # might mess with it.
+        headers = self.request.headers
+        connection = map(
+            lambda s: s.strip().lower(), headers.get("Connection", "").split(",")
+        )
+        if "upgrade" not in connection:
+            self.set_status(400)
+            log_msg = '"Connection" must be "Upgrade".'
+            self.finish(log_msg)
+            gen_log.debug(log_msg)
+            return
+
+        # Handle WebSocket Origin naming convention differences
+        # The difference between version 8 and 13 is that in 8 the
+        # client sends a "Sec-Websocket-Origin" header and in 13 it's
+        # simply "Origin".
+        if "Origin" in self.request.headers:
+            origin = self.request.headers.get("Origin")
+        else:
+            origin = self.request.headers.get("Sec-Websocket-Origin", None)
+
+        # If there was an origin header, check to make sure it matches
+        # according to check_origin. When the origin is None, we assume it
+        # did not come from a browser and that it can be passed on.
+        if origin is not None and not self.check_origin(origin):
+            self.set_status(403)
+            log_msg = "Cross origin websockets not allowed"
+            self.finish(log_msg)
+            gen_log.debug(log_msg)
+            return
+
+        self.ws_connection = self.get_websocket_protocol()
+        if self.ws_connection:
+            await self.ws_connection.accept_connection(self)
+        else:
+            self.set_status(426, "Upgrade Required")
+            self.set_header("Sec-WebSocket-Version", "7, 8, 13")
+
+    stream = None
+
+    @property
+    def ping_interval(self) -> Optional[float]:
+        """The interval for websocket keep-alive pings.
+
+        Set websocket_ping_interval = 0 to disable pings.
+        """
+        return self.settings.get("websocket_ping_interval", None)
+
+    @property
+    def ping_timeout(self) -> Optional[float]:
+        """If no ping is received in this many seconds,
+        close the websocket connection (VPNs, etc. can fail to cleanly close ws connections).
+        Default is max of 3 pings or 30 seconds.
+        """
+        return self.settings.get("websocket_ping_timeout", None)
+
+    @property
+    def max_message_size(self) -> int:
+        """Maximum allowed message size.
+
+        If the remote peer sends a message larger than this, the connection
+        will be closed.
+
+        Default is 10MiB.
+        """
+        return self.settings.get(
+            "websocket_max_message_size", _default_max_message_size
+        )
+
+    def write_message(
+        self, message: Union[bytes, str, Dict[str, Any]], binary: bool = False
+    ) -> "Future[None]":
+        """Sends the given message to the client of this Web Socket.
+
+        The message may be either a string or a dict (which will be
+        encoded as json).  If the ``binary`` argument is false, the
+        message will be sent as utf8; in binary mode any byte string
+        is allowed.
+
+        If the connection is already closed, raises `WebSocketClosedError`.
+        Returns a `.Future` which can be used for flow control.
+
+        .. versionchanged:: 3.2
+           `WebSocketClosedError` was added (previously a closed connection
+           would raise an `AttributeError`)
+
+        .. versionchanged:: 4.3
+           Returns a `.Future` which can be used for flow control.
+
+        .. versionchanged:: 5.0
+           Consistently raises `WebSocketClosedError`. Previously could
+           sometimes raise `.StreamClosedError`.
+        """
+        if self.ws_connection is None or self.ws_connection.is_closing():
+            raise WebSocketClosedError()
+        if isinstance(message, dict):
+            message = tornado.escape.json_encode(message)
+        return self.ws_connection.write_message(message, binary=binary)
+
+    def select_subprotocol(self, subprotocols: List[str]) -> Optional[str]:
+        """Override to implement subprotocol negotiation.
+
+        ``subprotocols`` is a list of strings identifying the
+        subprotocols proposed by the client.  This method may be
+        overridden to return one of those strings to select it, or
+        ``None`` to not select a subprotocol.
+
+        Failure to select a subprotocol does not automatically abort
+        the connection, although clients may close the connection if
+        none of their proposed subprotocols was selected.
+
+        The list may be empty, in which case this method must return
+        None. This method is always called exactly once even if no
+        subprotocols were proposed so that the handler can be advised
+        of this fact.
+
+        .. versionchanged:: 5.1
+
+           Previously, this method was called with a list containing
+           an empty string instead of an empty list if no subprotocols
+           were proposed by the client.
+        """
+        return None
+
+    @property
+    def selected_subprotocol(self) -> Optional[str]:
+        """The subprotocol returned by `select_subprotocol`.
+
+        .. versionadded:: 5.1
+        """
+        assert self.ws_connection is not None
+        return self.ws_connection.selected_subprotocol
+
+    def get_compression_options(self) -> Optional[Dict[str, Any]]:
+        """Override to return compression options for the connection.
+
+        If this method returns None (the default), compression will
+        be disabled.  If it returns a dict (even an empty one), it
+        will be enabled.  The contents of the dict may be used to
+        control the following compression options:
+
+        ``compression_level`` specifies the compression level.
+
+        ``mem_level`` specifies the amount of memory used for the internal compression state.
+
+         These parameters are documented in details here:
+         https://docs.python.org/3.6/library/zlib.html#zlib.compressobj
+
+        .. versionadded:: 4.1
+
+        .. versionchanged:: 4.5
+
+           Added ``compression_level`` and ``mem_level``.
+        """
+        # TODO: Add wbits option.
+        return None
+
+    def open(self, *args: str, **kwargs: str) -> Optional[Awaitable[None]]:
+        """Invoked when a new WebSocket is opened.
+
+        The arguments to `open` are extracted from the `tornado.web.URLSpec`
+        regular expression, just like the arguments to
+        `tornado.web.RequestHandler.get`.
+
+        `open` may be a coroutine. `on_message` will not be called until
+        `open` has returned.
+
+        .. versionchanged:: 5.1
+
+           ``open`` may be a coroutine.
+        """
+        pass
+
+    def on_message(self, message: Union[str, bytes]) -> Optional[Awaitable[None]]:
+        """Handle incoming messages on the WebSocket
+
+        This method must be overridden.
+
+        .. versionchanged:: 4.5
+
+           ``on_message`` can be a coroutine.
+        """
+        raise NotImplementedError
+
+    def ping(self, data: Union[str, bytes] = b"") -> None:
+        """Send ping frame to the remote end.
+
+        The data argument allows a small amount of data (up to 125
+        bytes) to be sent as a part of the ping message. Note that not
+        all websocket implementations expose this data to
+        applications.
+
+        Consider using the ``websocket_ping_interval`` application
+        setting instead of sending pings manually.
+
+        .. versionchanged:: 5.1
+
+           The data argument is now optional.
+
+        """
+        data = utf8(data)
+        if self.ws_connection is None or self.ws_connection.is_closing():
+            raise WebSocketClosedError()
+        self.ws_connection.write_ping(data)
+
+    def on_pong(self, data: bytes) -> None:
+        """Invoked when the response to a ping frame is received."""
+        pass
+
+    def on_ping(self, data: bytes) -> None:
+        """Invoked when the a ping frame is received."""
+        pass
+
+    def on_close(self) -> None:
+        """Invoked when the WebSocket is closed.
+
+        If the connection was closed cleanly and a status code or reason
+        phrase was supplied, these values will be available as the attributes
+        ``self.close_code`` and ``self.close_reason``.
+
+        .. versionchanged:: 4.0
+
+           Added ``close_code`` and ``close_reason`` attributes.
+        """
+        pass
+
+    def close(self, code: int = None, reason: str = None) -> None:
+        """Closes this Web Socket.
+
+        Once the close handshake is successful the socket will be closed.
+
+        ``code`` may be a numeric status code, taken from the values
+        defined in `RFC 6455 section 7.4.1
+        `_.
+        ``reason`` may be a textual message about why the connection is
+        closing.  These values are made available to the client, but are
+        not otherwise interpreted by the websocket protocol.
+
+        .. versionchanged:: 4.0
+
+           Added the ``code`` and ``reason`` arguments.
+        """
+        if self.ws_connection:
+            self.ws_connection.close(code, reason)
+            self.ws_connection = None
+
+    def check_origin(self, origin: str) -> bool:
+        """Override to enable support for allowing alternate origins.
+
+        The ``origin`` argument is the value of the ``Origin`` HTTP
+        header, the url responsible for initiating this request.  This
+        method is not called for clients that do not send this header;
+        such requests are always allowed (because all browsers that
+        implement WebSockets support this header, and non-browser
+        clients do not have the same cross-site security concerns).
+
+        Should return ``True`` to accept the request or ``False`` to
+        reject it. By default, rejects all requests with an origin on
+        a host other than this one.
+
+        This is a security protection against cross site scripting attacks on
+        browsers, since WebSockets are allowed to bypass the usual same-origin
+        policies and don't use CORS headers.
+
+        .. warning::
+
+           This is an important security measure; don't disable it
+           without understanding the security implications. In
+           particular, if your authentication is cookie-based, you
+           must either restrict the origins allowed by
+           ``check_origin()`` or implement your own XSRF-like
+           protection for websocket connections. See `these
+           `_
+           `articles
+           `_
+           for more.
+
+        To accept all cross-origin traffic (which was the default prior to
+        Tornado 4.0), simply override this method to always return ``True``::
+
+            def check_origin(self, origin):
+                return True
+
+        To allow connections from any subdomain of your site, you might
+        do something like::
+
+            def check_origin(self, origin):
+                parsed_origin = urllib.parse.urlparse(origin)
+                return parsed_origin.netloc.endswith(".mydomain.com")
+
+        .. versionadded:: 4.0
+
+        """
+        parsed_origin = urlparse(origin)
+        origin = parsed_origin.netloc
+        origin = origin.lower()
+
+        host = self.request.headers.get("Host")
+
+        # Check to see that origin matches host directly, including ports
+        return origin == host
+
+    def set_nodelay(self, value: bool) -> None:
+        """Set the no-delay flag for this stream.
+
+        By default, small messages may be delayed and/or combined to minimize
+        the number of packets sent.  This can sometimes cause 200-500ms delays
+        due to the interaction between Nagle's algorithm and TCP delayed
+        ACKs.  To reduce this delay (at the expense of possibly increasing
+        bandwidth usage), call ``self.set_nodelay(True)`` once the websocket
+        connection is established.
+
+        See `.BaseIOStream.set_nodelay` for additional details.
+
+        .. versionadded:: 3.1
+        """
+        assert self.ws_connection is not None
+        self.ws_connection.set_nodelay(value)
+
+    def on_connection_close(self) -> None:
+        if self.ws_connection:
+            self.ws_connection.on_connection_close()
+            self.ws_connection = None
+        if not self._on_close_called:
+            self._on_close_called = True
+            self.on_close()
+            self._break_cycles()
+
+    def on_ws_connection_close(
+        self, close_code: int = None, close_reason: str = None
+    ) -> None:
+        self.close_code = close_code
+        self.close_reason = close_reason
+        self.on_connection_close()
+
+    def _break_cycles(self) -> None:
+        # WebSocketHandlers call finish() early, but we don't want to
+        # break up reference cycles (which makes it impossible to call
+        # self.render_string) until after we've really closed the
+        # connection (if it was established in the first place,
+        # indicated by status code 101).
+        if self.get_status() != 101 or self._on_close_called:
+            super(WebSocketHandler, self)._break_cycles()
+
+    def send_error(self, *args: Any, **kwargs: Any) -> None:
+        if self.stream is None:
+            super(WebSocketHandler, self).send_error(*args, **kwargs)
+        else:
+            # If we get an uncaught exception during the handshake,
+            # we have no choice but to abruptly close the connection.
+            # TODO: for uncaught exceptions after the handshake,
+            # we can close the connection more gracefully.
+            self.stream.close()
+
+    def get_websocket_protocol(self) -> Optional["WebSocketProtocol"]:
+        websocket_version = self.request.headers.get("Sec-WebSocket-Version")
+        if websocket_version in ("7", "8", "13"):
+            params = _WebSocketParams(
+                ping_interval=self.ping_interval,
+                ping_timeout=self.ping_timeout,
+                max_message_size=self.max_message_size,
+                compression_options=self.get_compression_options(),
+            )
+            return WebSocketProtocol13(self, False, params)
+        return None
+
+    def _detach_stream(self) -> IOStream:
+        # disable non-WS methods
+        for method in [
+            "write",
+            "redirect",
+            "set_header",
+            "set_cookie",
+            "set_status",
+            "flush",
+            "finish",
+        ]:
+            setattr(self, method, _raise_not_supported_for_websockets)
+        return self.detach()
+
+
+def _raise_not_supported_for_websockets(*args: Any, **kwargs: Any) -> None:
+    raise RuntimeError("Method not supported for Web Sockets")
+
+
+class WebSocketProtocol(abc.ABC):
+    """Base class for WebSocket protocol versions.
+    """
+
+    def __init__(self, handler: "_WebSocketDelegate") -> None:
+        self.handler = handler
+        self.stream = None  # type: Optional[IOStream]
+        self.client_terminated = False
+        self.server_terminated = False
+
+    def _run_callback(
+        self, callback: Callable, *args: Any, **kwargs: Any
+    ) -> "Optional[Future[Any]]":
+        """Runs the given callback with exception handling.
+
+        If the callback is a coroutine, returns its Future. On error, aborts the
+        websocket connection and returns None.
+        """
+        try:
+            result = callback(*args, **kwargs)
+        except Exception:
+            self.handler.log_exception(*sys.exc_info())
+            self._abort()
+            return None
+        else:
+            if result is not None:
+                result = gen.convert_yielded(result)
+                assert self.stream is not None
+                self.stream.io_loop.add_future(result, lambda f: f.result())
+            return result
+
+    def on_connection_close(self) -> None:
+        self._abort()
+
+    def _abort(self) -> None:
+        """Instantly aborts the WebSocket connection by closing the socket"""
+        self.client_terminated = True
+        self.server_terminated = True
+        if self.stream is not None:
+            self.stream.close()  # forcibly tear down the connection
+        self.close()  # let the subclass cleanup
+
+    @abc.abstractmethod
+    def close(self, code: int = None, reason: str = None) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def is_closing(self) -> bool:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    async def accept_connection(self, handler: WebSocketHandler) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def write_message(
+        self, message: Union[str, bytes], binary: bool = False
+    ) -> "Future[None]":
+        raise NotImplementedError()
+
+    @property
+    @abc.abstractmethod
+    def selected_subprotocol(self) -> Optional[str]:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def write_ping(self, data: bytes) -> None:
+        raise NotImplementedError()
+
+    # The entry points below are used by WebSocketClientConnection,
+    # which was introduced after we only supported a single version of
+    # WebSocketProtocol. The WebSocketProtocol/WebSocketProtocol13
+    # boundary is currently pretty ad-hoc.
+    @abc.abstractmethod
+    def _process_server_headers(
+        self, key: Union[str, bytes], headers: httputil.HTTPHeaders
+    ) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def start_pinging(self) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    async def _receive_frame_loop(self) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def set_nodelay(self, x: bool) -> None:
+        raise NotImplementedError()
+
+
+class _PerMessageDeflateCompressor(object):
+    def __init__(
+        self,
+        persistent: bool,
+        max_wbits: Optional[int],
+        compression_options: Dict[str, Any] = None,
+    ) -> None:
+        if max_wbits is None:
+            max_wbits = zlib.MAX_WBITS
+        # There is no symbolic constant for the minimum wbits value.
+        if not (8 <= max_wbits <= zlib.MAX_WBITS):
+            raise ValueError(
+                "Invalid max_wbits value %r; allowed range 8-%d",
+                max_wbits,
+                zlib.MAX_WBITS,
+            )
+        self._max_wbits = max_wbits
+
+        if (
+            compression_options is None
+            or "compression_level" not in compression_options
+        ):
+            self._compression_level = tornado.web.GZipContentEncoding.GZIP_LEVEL
+        else:
+            self._compression_level = compression_options["compression_level"]
+
+        if compression_options is None or "mem_level" not in compression_options:
+            self._mem_level = 8
+        else:
+            self._mem_level = compression_options["mem_level"]
+
+        if persistent:
+            self._compressor = self._create_compressor()  # type: Optional[_Compressor]
+        else:
+            self._compressor = None
+
+    def _create_compressor(self) -> "_Compressor":
+        return zlib.compressobj(
+            self._compression_level, zlib.DEFLATED, -self._max_wbits, self._mem_level
+        )
+
+    def compress(self, data: bytes) -> bytes:
+        compressor = self._compressor or self._create_compressor()
+        data = compressor.compress(data) + compressor.flush(zlib.Z_SYNC_FLUSH)
+        assert data.endswith(b"\x00\x00\xff\xff")
+        return data[:-4]
+
+
+class _PerMessageDeflateDecompressor(object):
+    def __init__(
+        self,
+        persistent: bool,
+        max_wbits: Optional[int],
+        max_message_size: int,
+        compression_options: Dict[str, Any] = None,
+    ) -> None:
+        self._max_message_size = max_message_size
+        if max_wbits is None:
+            max_wbits = zlib.MAX_WBITS
+        if not (8 <= max_wbits <= zlib.MAX_WBITS):
+            raise ValueError(
+                "Invalid max_wbits value %r; allowed range 8-%d",
+                max_wbits,
+                zlib.MAX_WBITS,
+            )
+        self._max_wbits = max_wbits
+        if persistent:
+            self._decompressor = (
+                self._create_decompressor()
+            )  # type: Optional[_Decompressor]
+        else:
+            self._decompressor = None
+
+    def _create_decompressor(self) -> "_Decompressor":
+        return zlib.decompressobj(-self._max_wbits)
+
+    def decompress(self, data: bytes) -> bytes:
+        decompressor = self._decompressor or self._create_decompressor()
+        result = decompressor.decompress(
+            data + b"\x00\x00\xff\xff", self._max_message_size
+        )
+        if decompressor.unconsumed_tail:
+            raise _DecompressTooLargeError()
+        return result
+
+
+class WebSocketProtocol13(WebSocketProtocol):
+    """Implementation of the WebSocket protocol from RFC 6455.
+
+    This class supports versions 7 and 8 of the protocol in addition to the
+    final version 13.
+    """
+
+    # Bit masks for the first byte of a frame.
+    FIN = 0x80
+    RSV1 = 0x40
+    RSV2 = 0x20
+    RSV3 = 0x10
+    RSV_MASK = RSV1 | RSV2 | RSV3
+    OPCODE_MASK = 0x0F
+
+    stream = None  # type: IOStream
+
+    def __init__(
+        self,
+        handler: "_WebSocketDelegate",
+        mask_outgoing: bool,
+        params: _WebSocketParams,
+    ) -> None:
+        WebSocketProtocol.__init__(self, handler)
+        self.mask_outgoing = mask_outgoing
+        self.params = params
+        self._final_frame = False
+        self._frame_opcode = None
+        self._masked_frame = None
+        self._frame_mask = None  # type: Optional[bytes]
+        self._frame_length = None
+        self._fragmented_message_buffer = None  # type: Optional[bytes]
+        self._fragmented_message_opcode = None
+        self._waiting = None  # type: object
+        self._compression_options = params.compression_options
+        self._decompressor = None  # type: Optional[_PerMessageDeflateDecompressor]
+        self._compressor = None  # type: Optional[_PerMessageDeflateCompressor]
+        self._frame_compressed = None  # type: Optional[bool]
+        # The total uncompressed size of all messages received or sent.
+        # Unicode messages are encoded to utf8.
+        # Only for testing; subject to change.
+        self._message_bytes_in = 0
+        self._message_bytes_out = 0
+        # The total size of all packets received or sent.  Includes
+        # the effect of compression, frame overhead, and control frames.
+        self._wire_bytes_in = 0
+        self._wire_bytes_out = 0
+        self.ping_callback = None  # type: Optional[PeriodicCallback]
+        self.last_ping = 0.0
+        self.last_pong = 0.0
+        self.close_code = None  # type: Optional[int]
+        self.close_reason = None  # type: Optional[str]
+
+    # Use a property for this to satisfy the abc.
+    @property
+    def selected_subprotocol(self) -> Optional[str]:
+        return self._selected_subprotocol
+
+    @selected_subprotocol.setter
+    def selected_subprotocol(self, value: Optional[str]) -> None:
+        self._selected_subprotocol = value
+
+    async def accept_connection(self, handler: WebSocketHandler) -> None:
+        try:
+            self._handle_websocket_headers(handler)
+        except ValueError:
+            handler.set_status(400)
+            log_msg = "Missing/Invalid WebSocket headers"
+            handler.finish(log_msg)
+            gen_log.debug(log_msg)
+            return
+
+        try:
+            await self._accept_connection(handler)
+        except asyncio.CancelledError:
+            self._abort()
+            return
+        except ValueError:
+            gen_log.debug("Malformed WebSocket request received", exc_info=True)
+            self._abort()
+            return
+
+    def _handle_websocket_headers(self, handler: WebSocketHandler) -> None:
+        """Verifies all invariant- and required headers
+
+        If a header is missing or have an incorrect value ValueError will be
+        raised
+        """
+        fields = ("Host", "Sec-Websocket-Key", "Sec-Websocket-Version")
+        if not all(map(lambda f: handler.request.headers.get(f), fields)):
+            raise ValueError("Missing/Invalid WebSocket headers")
+
+    @staticmethod
+    def compute_accept_value(key: Union[str, bytes]) -> str:
+        """Computes the value for the Sec-WebSocket-Accept header,
+        given the value for Sec-WebSocket-Key.
+        """
+        sha1 = hashlib.sha1()
+        sha1.update(utf8(key))
+        sha1.update(b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11")  # Magic value
+        return native_str(base64.b64encode(sha1.digest()))
+
+    def _challenge_response(self, handler: WebSocketHandler) -> str:
+        return WebSocketProtocol13.compute_accept_value(
+            cast(str, handler.request.headers.get("Sec-Websocket-Key"))
+        )
+
+    async def _accept_connection(self, handler: WebSocketHandler) -> None:
+        subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")
+        if subprotocol_header:
+            subprotocols = [s.strip() for s in subprotocol_header.split(",")]
+        else:
+            subprotocols = []
+        self.selected_subprotocol = handler.select_subprotocol(subprotocols)
+        if self.selected_subprotocol:
+            assert self.selected_subprotocol in subprotocols
+            handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
+
+        extensions = self._parse_extensions_header(handler.request.headers)
+        for ext in extensions:
+            if ext[0] == "permessage-deflate" and self._compression_options is not None:
+                # TODO: negotiate parameters if compression_options
+                # specifies limits.
+                self._create_compressors("server", ext[1], self._compression_options)
+                if (
+                    "client_max_window_bits" in ext[1]
+                    and ext[1]["client_max_window_bits"] is None
+                ):
+                    # Don't echo an offered client_max_window_bits
+                    # parameter with no value.
+                    del ext[1]["client_max_window_bits"]
+                handler.set_header(
+                    "Sec-WebSocket-Extensions",
+                    httputil._encode_header("permessage-deflate", ext[1]),
+                )
+                break
+
+        handler.clear_header("Content-Type")
+        handler.set_status(101)
+        handler.set_header("Upgrade", "websocket")
+        handler.set_header("Connection", "Upgrade")
+        handler.set_header("Sec-WebSocket-Accept", self._challenge_response(handler))
+        handler.finish()
+
+        self.stream = handler._detach_stream()
+
+        self.start_pinging()
+        try:
+            open_result = handler.open(*handler.open_args, **handler.open_kwargs)
+            if open_result is not None:
+                await open_result
+        except Exception:
+            handler.log_exception(*sys.exc_info())
+            self._abort()
+            return
+
+        await self._receive_frame_loop()
+
+    def _parse_extensions_header(
+        self, headers: httputil.HTTPHeaders
+    ) -> List[Tuple[str, Dict[str, str]]]:
+        extensions = headers.get("Sec-WebSocket-Extensions", "")
+        if extensions:
+            return [httputil._parse_header(e.strip()) for e in extensions.split(",")]
+        return []
+
+    def _process_server_headers(
+        self, key: Union[str, bytes], headers: httputil.HTTPHeaders
+    ) -> None:
+        """Process the headers sent by the server to this client connection.
+
+        'key' is the websocket handshake challenge/response key.
+        """
+        assert headers["Upgrade"].lower() == "websocket"
+        assert headers["Connection"].lower() == "upgrade"
+        accept = self.compute_accept_value(key)
+        assert headers["Sec-Websocket-Accept"] == accept
+
+        extensions = self._parse_extensions_header(headers)
+        for ext in extensions:
+            if ext[0] == "permessage-deflate" and self._compression_options is not None:
+                self._create_compressors("client", ext[1])
+            else:
+                raise ValueError("unsupported extension %r", ext)
+
+        self.selected_subprotocol = headers.get("Sec-WebSocket-Protocol", None)
+
+    def _get_compressor_options(
+        self,
+        side: str,
+        agreed_parameters: Dict[str, Any],
+        compression_options: Dict[str, Any] = None,
+    ) -> Dict[str, Any]:
+        """Converts a websocket agreed_parameters set to keyword arguments
+        for our compressor objects.
+        """
+        options = dict(
+            persistent=(side + "_no_context_takeover") not in agreed_parameters
+        )  # type: Dict[str, Any]
+        wbits_header = agreed_parameters.get(side + "_max_window_bits", None)
+        if wbits_header is None:
+            options["max_wbits"] = zlib.MAX_WBITS
+        else:
+            options["max_wbits"] = int(wbits_header)
+        options["compression_options"] = compression_options
+        return options
+
+    def _create_compressors(
+        self,
+        side: str,
+        agreed_parameters: Dict[str, Any],
+        compression_options: Dict[str, Any] = None,
+    ) -> None:
+        # TODO: handle invalid parameters gracefully
+        allowed_keys = set(
+            [
+                "server_no_context_takeover",
+                "client_no_context_takeover",
+                "server_max_window_bits",
+                "client_max_window_bits",
+            ]
+        )
+        for key in agreed_parameters:
+            if key not in allowed_keys:
+                raise ValueError("unsupported compression parameter %r" % key)
+        other_side = "client" if (side == "server") else "server"
+        self._compressor = _PerMessageDeflateCompressor(
+            **self._get_compressor_options(side, agreed_parameters, compression_options)
+        )
+        self._decompressor = _PerMessageDeflateDecompressor(
+            max_message_size=self.params.max_message_size,
+            **self._get_compressor_options(
+                other_side, agreed_parameters, compression_options
+            )
+        )
+
+    def _write_frame(
+        self, fin: bool, opcode: int, data: bytes, flags: int = 0
+    ) -> "Future[None]":
+        data_len = len(data)
+        if opcode & 0x8:
+            # All control frames MUST have a payload length of 125
+            # bytes or less and MUST NOT be fragmented.
+            if not fin:
+                raise ValueError("control frames may not be fragmented")
+            if data_len > 125:
+                raise ValueError("control frame payloads may not exceed 125 bytes")
+        if fin:
+            finbit = self.FIN
+        else:
+            finbit = 0
+        frame = struct.pack("B", finbit | opcode | flags)
+        if self.mask_outgoing:
+            mask_bit = 0x80
+        else:
+            mask_bit = 0
+        if data_len < 126:
+            frame += struct.pack("B", data_len | mask_bit)
+        elif data_len <= 0xFFFF:
+            frame += struct.pack("!BH", 126 | mask_bit, data_len)
+        else:
+            frame += struct.pack("!BQ", 127 | mask_bit, data_len)
+        if self.mask_outgoing:
+            mask = os.urandom(4)
+            data = mask + _websocket_mask(mask, data)
+        frame += data
+        self._wire_bytes_out += len(frame)
+        return self.stream.write(frame)
+
+    def write_message(
+        self, message: Union[str, bytes], binary: bool = False
+    ) -> "Future[None]":
+        """Sends the given message to the client of this Web Socket."""
+        if binary:
+            opcode = 0x2
+        else:
+            opcode = 0x1
+        message = tornado.escape.utf8(message)
+        assert isinstance(message, bytes)
+        self._message_bytes_out += len(message)
+        flags = 0
+        if self._compressor:
+            message = self._compressor.compress(message)
+            flags |= self.RSV1
+        # For historical reasons, write methods in Tornado operate in a semi-synchronous
+        # mode in which awaiting the Future they return is optional (But errors can
+        # still be raised). This requires us to go through an awkward dance here
+        # to transform the errors that may be returned while presenting the same
+        # semi-synchronous interface.
+        try:
+            fut = self._write_frame(True, opcode, message, flags=flags)
+        except StreamClosedError:
+            raise WebSocketClosedError()
+
+        async def wrapper() -> None:
+            try:
+                await fut
+            except StreamClosedError:
+                raise WebSocketClosedError()
+
+        return asyncio.ensure_future(wrapper())
+
+    def write_ping(self, data: bytes) -> None:
+        """Send ping frame."""
+        assert isinstance(data, bytes)
+        self._write_frame(True, 0x9, data)
+
+    async def _receive_frame_loop(self) -> None:
+        try:
+            while not self.client_terminated:
+                await self._receive_frame()
+        except StreamClosedError:
+            self._abort()
+        self.handler.on_ws_connection_close(self.close_code, self.close_reason)
+
+    async def _read_bytes(self, n: int) -> bytes:
+        data = await self.stream.read_bytes(n)
+        self._wire_bytes_in += n
+        return data
+
+    async def _receive_frame(self) -> None:
+        # Read the frame header.
+        data = await self._read_bytes(2)
+        header, mask_payloadlen = struct.unpack("BB", data)
+        is_final_frame = header & self.FIN
+        reserved_bits = header & self.RSV_MASK
+        opcode = header & self.OPCODE_MASK
+        opcode_is_control = opcode & 0x8
+        if self._decompressor is not None and opcode != 0:
+            # Compression flag is present in the first frame's header,
+            # but we can't decompress until we have all the frames of
+            # the message.
+            self._frame_compressed = bool(reserved_bits & self.RSV1)
+            reserved_bits &= ~self.RSV1
+        if reserved_bits:
+            # client is using as-yet-undefined extensions; abort
+            self._abort()
+            return
+        is_masked = bool(mask_payloadlen & 0x80)
+        payloadlen = mask_payloadlen & 0x7F
+
+        # Parse and validate the length.
+        if opcode_is_control and payloadlen >= 126:
+            # control frames must have payload < 126
+            self._abort()
+            return
+        if payloadlen < 126:
+            self._frame_length = payloadlen
+        elif payloadlen == 126:
+            data = await self._read_bytes(2)
+            payloadlen = struct.unpack("!H", data)[0]
+        elif payloadlen == 127:
+            data = await self._read_bytes(8)
+            payloadlen = struct.unpack("!Q", data)[0]
+        new_len = payloadlen
+        if self._fragmented_message_buffer is not None:
+            new_len += len(self._fragmented_message_buffer)
+        if new_len > self.params.max_message_size:
+            self.close(1009, "message too big")
+            self._abort()
+            return
+
+        # Read the payload, unmasking if necessary.
+        if is_masked:
+            self._frame_mask = await self._read_bytes(4)
+        data = await self._read_bytes(payloadlen)
+        if is_masked:
+            assert self._frame_mask is not None
+            data = _websocket_mask(self._frame_mask, data)
+
+        # Decide what to do with this frame.
+        if opcode_is_control:
+            # control frames may be interleaved with a series of fragmented
+            # data frames, so control frames must not interact with
+            # self._fragmented_*
+            if not is_final_frame:
+                # control frames must not be fragmented
+                self._abort()
+                return
+        elif opcode == 0:  # continuation frame
+            if self._fragmented_message_buffer is None:
+                # nothing to continue
+                self._abort()
+                return
+            self._fragmented_message_buffer += data
+            if is_final_frame:
+                opcode = self._fragmented_message_opcode
+                data = self._fragmented_message_buffer
+                self._fragmented_message_buffer = None
+        else:  # start of new data message
+            if self._fragmented_message_buffer is not None:
+                # can't start new message until the old one is finished
+                self._abort()
+                return
+            if not is_final_frame:
+                self._fragmented_message_opcode = opcode
+                self._fragmented_message_buffer = data
+
+        if is_final_frame:
+            handled_future = self._handle_message(opcode, data)
+            if handled_future is not None:
+                await handled_future
+
+    def _handle_message(self, opcode: int, data: bytes) -> "Optional[Future[None]]":
+        """Execute on_message, returning its Future if it is a coroutine."""
+        if self.client_terminated:
+            return None
+
+        if self._frame_compressed:
+            assert self._decompressor is not None
+            try:
+                data = self._decompressor.decompress(data)
+            except _DecompressTooLargeError:
+                self.close(1009, "message too big after decompression")
+                self._abort()
+                return None
+
+        if opcode == 0x1:
+            # UTF-8 data
+            self._message_bytes_in += len(data)
+            try:
+                decoded = data.decode("utf-8")
+            except UnicodeDecodeError:
+                self._abort()
+                return None
+            return self._run_callback(self.handler.on_message, decoded)
+        elif opcode == 0x2:
+            # Binary data
+            self._message_bytes_in += len(data)
+            return self._run_callback(self.handler.on_message, data)
+        elif opcode == 0x8:
+            # Close
+            self.client_terminated = True
+            if len(data) >= 2:
+                self.close_code = struct.unpack(">H", data[:2])[0]
+            if len(data) > 2:
+                self.close_reason = to_unicode(data[2:])
+            # Echo the received close code, if any (RFC 6455 section 5.5.1).
+            self.close(self.close_code)
+        elif opcode == 0x9:
+            # Ping
+            try:
+                self._write_frame(True, 0xA, data)
+            except StreamClosedError:
+                self._abort()
+            self._run_callback(self.handler.on_ping, data)
+        elif opcode == 0xA:
+            # Pong
+            self.last_pong = IOLoop.current().time()
+            return self._run_callback(self.handler.on_pong, data)
+        else:
+            self._abort()
+        return None
+
+    def close(self, code: int = None, reason: str = None) -> None:
+        """Closes the WebSocket connection."""
+        if not self.server_terminated:
+            if not self.stream.closed():
+                if code is None and reason is not None:
+                    code = 1000  # "normal closure" status code
+                if code is None:
+                    close_data = b""
+                else:
+                    close_data = struct.pack(">H", code)
+                if reason is not None:
+                    close_data += utf8(reason)
+                try:
+                    self._write_frame(True, 0x8, close_data)
+                except StreamClosedError:
+                    self._abort()
+            self.server_terminated = True
+        if self.client_terminated:
+            if self._waiting is not None:
+                self.stream.io_loop.remove_timeout(self._waiting)
+                self._waiting = None
+            self.stream.close()
+        elif self._waiting is None:
+            # Give the client a few seconds to complete a clean shutdown,
+            # otherwise just close the connection.
+            self._waiting = self.stream.io_loop.add_timeout(
+                self.stream.io_loop.time() + 5, self._abort
+            )
+
+    def is_closing(self) -> bool:
+        """Return ``True`` if this connection is closing.
+
+        The connection is considered closing if either side has
+        initiated its closing handshake or if the stream has been
+        shut down uncleanly.
+        """
+        return self.stream.closed() or self.client_terminated or self.server_terminated
+
+    @property
+    def ping_interval(self) -> Optional[float]:
+        interval = self.params.ping_interval
+        if interval is not None:
+            return interval
+        return 0
+
+    @property
+    def ping_timeout(self) -> Optional[float]:
+        timeout = self.params.ping_timeout
+        if timeout is not None:
+            return timeout
+        assert self.ping_interval is not None
+        return max(3 * self.ping_interval, 30)
+
+    def start_pinging(self) -> None:
+        """Start sending periodic pings to keep the connection alive"""
+        assert self.ping_interval is not None
+        if self.ping_interval > 0:
+            self.last_ping = self.last_pong = IOLoop.current().time()
+            self.ping_callback = PeriodicCallback(
+                self.periodic_ping, self.ping_interval * 1000
+            )
+            self.ping_callback.start()
+
+    def periodic_ping(self) -> None:
+        """Send a ping to keep the websocket alive
+
+        Called periodically if the websocket_ping_interval is set and non-zero.
+        """
+        if self.is_closing() and self.ping_callback is not None:
+            self.ping_callback.stop()
+            return
+
+        # Check for timeout on pong. Make sure that we really have
+        # sent a recent ping in case the machine with both server and
+        # client has been suspended since the last ping.
+        now = IOLoop.current().time()
+        since_last_pong = now - self.last_pong
+        since_last_ping = now - self.last_ping
+        assert self.ping_interval is not None
+        assert self.ping_timeout is not None
+        if (
+            since_last_ping < 2 * self.ping_interval
+            and since_last_pong > self.ping_timeout
+        ):
+            self.close()
+            return
+
+        self.write_ping(b"")
+        self.last_ping = now
+
+    def set_nodelay(self, x: bool) -> None:
+        self.stream.set_nodelay(x)
+
+
+class WebSocketClientConnection(simple_httpclient._HTTPConnection):
+    """WebSocket client connection.
+
+    This class should not be instantiated directly; use the
+    `websocket_connect` function instead.
+    """
+
+    protocol = None  # type: WebSocketProtocol
+
+    def __init__(
+        self,
+        request: httpclient.HTTPRequest,
+        on_message_callback: Callable[[Union[None, str, bytes]], None] = None,
+        compression_options: Dict[str, Any] = None,
+        ping_interval: float = None,
+        ping_timeout: float = None,
+        max_message_size: int = _default_max_message_size,
+        subprotocols: Optional[List[str]] = [],
+    ) -> None:
+        self.connect_future = Future()  # type: Future[WebSocketClientConnection]
+        self.read_queue = Queue(1)  # type: Queue[Union[None, str, bytes]]
+        self.key = base64.b64encode(os.urandom(16))
+        self._on_message_callback = on_message_callback
+        self.close_code = None  # type: Optional[int]
+        self.close_reason = None  # type: Optional[str]
+        self.params = _WebSocketParams(
+            ping_interval=ping_interval,
+            ping_timeout=ping_timeout,
+            max_message_size=max_message_size,
+            compression_options=compression_options,
+        )
+
+        scheme, sep, rest = request.url.partition(":")
+        scheme = {"ws": "http", "wss": "https"}[scheme]
+        request.url = scheme + sep + rest
+        request.headers.update(
+            {
+                "Upgrade": "websocket",
+                "Connection": "Upgrade",
+                "Sec-WebSocket-Key": self.key,
+                "Sec-WebSocket-Version": "13",
+            }
+        )
+        if subprotocols is not None:
+            request.headers["Sec-WebSocket-Protocol"] = ",".join(subprotocols)
+        if compression_options is not None:
+            # Always offer to let the server set our max_wbits (and even though
+            # we don't offer it, we will accept a client_no_context_takeover
+            # from the server).
+            # TODO: set server parameters for deflate extension
+            # if requested in self.compression_options.
+            request.headers[
+                "Sec-WebSocket-Extensions"
+            ] = "permessage-deflate; client_max_window_bits"
+
+        self.tcp_client = TCPClient()
+        super(WebSocketClientConnection, self).__init__(
+            None,
+            request,
+            lambda: None,
+            self._on_http_response,
+            104857600,
+            self.tcp_client,
+            65536,
+            104857600,
+        )
+
+    def close(self, code: int = None, reason: str = None) -> None:
+        """Closes the websocket connection.
+
+        ``code`` and ``reason`` are documented under
+        `WebSocketHandler.close`.
+
+        .. versionadded:: 3.2
+
+        .. versionchanged:: 4.0
+
+           Added the ``code`` and ``reason`` arguments.
+        """
+        if self.protocol is not None:
+            self.protocol.close(code, reason)
+            self.protocol = None  # type: ignore
+
+    def on_connection_close(self) -> None:
+        if not self.connect_future.done():
+            self.connect_future.set_exception(StreamClosedError())
+        self._on_message(None)
+        self.tcp_client.close()
+        super(WebSocketClientConnection, self).on_connection_close()
+
+    def on_ws_connection_close(
+        self, close_code: int = None, close_reason: str = None
+    ) -> None:
+        self.close_code = close_code
+        self.close_reason = close_reason
+        self.on_connection_close()
+
+    def _on_http_response(self, response: httpclient.HTTPResponse) -> None:
+        if not self.connect_future.done():
+            if response.error:
+                self.connect_future.set_exception(response.error)
+            else:
+                self.connect_future.set_exception(
+                    WebSocketError("Non-websocket response")
+                )
+
+    async def headers_received(
+        self,
+        start_line: Union[httputil.RequestStartLine, httputil.ResponseStartLine],
+        headers: httputil.HTTPHeaders,
+    ) -> None:
+        assert isinstance(start_line, httputil.ResponseStartLine)
+        if start_line.code != 101:
+            await super(WebSocketClientConnection, self).headers_received(
+                start_line, headers
+            )
+            return
+
+        if self._timeout is not None:
+            self.io_loop.remove_timeout(self._timeout)
+            self._timeout = None
+
+        self.headers = headers
+        self.protocol = self.get_websocket_protocol()
+        self.protocol._process_server_headers(self.key, self.headers)
+        self.protocol.stream = self.connection.detach()
+
+        IOLoop.current().add_callback(self.protocol._receive_frame_loop)
+        self.protocol.start_pinging()
+
+        # Once we've taken over the connection, clear the final callback
+        # we set on the http request.  This deactivates the error handling
+        # in simple_httpclient that would otherwise interfere with our
+        # ability to see exceptions.
+        self.final_callback = None  # type: ignore
+
+        future_set_result_unless_cancelled(self.connect_future, self)
+
+    def write_message(
+        self, message: Union[str, bytes], binary: bool = False
+    ) -> "Future[None]":
+        """Sends a message to the WebSocket server.
+
+        If the stream is closed, raises `WebSocketClosedError`.
+        Returns a `.Future` which can be used for flow control.
+
+        .. versionchanged:: 5.0
+           Exception raised on a closed stream changed from `.StreamClosedError`
+           to `WebSocketClosedError`.
+        """
+        return self.protocol.write_message(message, binary=binary)
+
+    def read_message(
+        self, callback: Callable[["Future[Union[None, str, bytes]]"], None] = None
+    ) -> Awaitable[Union[None, str, bytes]]:
+        """Reads a message from the WebSocket server.
+
+        If on_message_callback was specified at WebSocket
+        initialization, this function will never return messages
+
+        Returns a future whose result is the message, or None
+        if the connection is closed.  If a callback argument
+        is given it will be called with the future when it is
+        ready.
+        """
+
+        awaitable = self.read_queue.get()
+        if callback is not None:
+            self.io_loop.add_future(asyncio.ensure_future(awaitable), callback)
+        return awaitable
+
+    def on_message(self, message: Union[str, bytes]) -> Optional[Awaitable[None]]:
+        return self._on_message(message)
+
+    def _on_message(
+        self, message: Union[None, str, bytes]
+    ) -> Optional[Awaitable[None]]:
+        if self._on_message_callback:
+            self._on_message_callback(message)
+            return None
+        else:
+            return self.read_queue.put(message)
+
+    def ping(self, data: bytes = b"") -> None:
+        """Send ping frame to the remote end.
+
+        The data argument allows a small amount of data (up to 125
+        bytes) to be sent as a part of the ping message. Note that not
+        all websocket implementations expose this data to
+        applications.
+
+        Consider using the ``ping_interval`` argument to
+        `websocket_connect` instead of sending pings manually.
+
+        .. versionadded:: 5.1
+
+        """
+        data = utf8(data)
+        if self.protocol is None:
+            raise WebSocketClosedError()
+        self.protocol.write_ping(data)
+
+    def on_pong(self, data: bytes) -> None:
+        pass
+
+    def on_ping(self, data: bytes) -> None:
+        pass
+
+    def get_websocket_protocol(self) -> WebSocketProtocol:
+        return WebSocketProtocol13(self, mask_outgoing=True, params=self.params)
+
+    @property
+    def selected_subprotocol(self) -> Optional[str]:
+        """The subprotocol selected by the server.
+
+        .. versionadded:: 5.1
+        """
+        return self.protocol.selected_subprotocol
+
+    def log_exception(
+        self,
+        typ: "Optional[Type[BaseException]]",
+        value: Optional[BaseException],
+        tb: Optional[TracebackType],
+    ) -> None:
+        assert typ is not None
+        assert value is not None
+        app_log.error("Uncaught exception %s", value, exc_info=(typ, value, tb))
+
+
+def websocket_connect(
+    url: Union[str, httpclient.HTTPRequest],
+    callback: Callable[["Future[WebSocketClientConnection]"], None] = None,
+    connect_timeout: float = None,
+    on_message_callback: Callable[[Union[None, str, bytes]], None] = None,
+    compression_options: Dict[str, Any] = None,
+    ping_interval: float = None,
+    ping_timeout: float = None,
+    max_message_size: int = _default_max_message_size,
+    subprotocols: List[str] = None,
+) -> "Awaitable[WebSocketClientConnection]":
+    """Client-side websocket support.
+
+    Takes a url and returns a Future whose result is a
+    `WebSocketClientConnection`.
+
+    ``compression_options`` is interpreted in the same way as the
+    return value of `.WebSocketHandler.get_compression_options`.
+
+    The connection supports two styles of operation. In the coroutine
+    style, the application typically calls
+    `~.WebSocketClientConnection.read_message` in a loop::
+
+        conn = yield websocket_connect(url)
+        while True:
+            msg = yield conn.read_message()
+            if msg is None: break
+            # Do something with msg
+
+    In the callback style, pass an ``on_message_callback`` to
+    ``websocket_connect``. In both styles, a message of ``None``
+    indicates that the connection has been closed.
+
+    ``subprotocols`` may be a list of strings specifying proposed
+    subprotocols. The selected protocol may be found on the
+    ``selected_subprotocol`` attribute of the connection object
+    when the connection is complete.
+
+    .. versionchanged:: 3.2
+       Also accepts ``HTTPRequest`` objects in place of urls.
+
+    .. versionchanged:: 4.1
+       Added ``compression_options`` and ``on_message_callback``.
+
+    .. versionchanged:: 4.5
+       Added the ``ping_interval``, ``ping_timeout``, and ``max_message_size``
+       arguments, which have the same meaning as in `WebSocketHandler`.
+
+    .. versionchanged:: 5.0
+       The ``io_loop`` argument (deprecated since version 4.1) has been removed.
+
+    .. versionchanged:: 5.1
+       Added the ``subprotocols`` argument.
+    """
+    if isinstance(url, httpclient.HTTPRequest):
+        assert connect_timeout is None
+        request = url
+        # Copy and convert the headers dict/object (see comments in
+        # AsyncHTTPClient.fetch)
+        request.headers = httputil.HTTPHeaders(request.headers)
+    else:
+        request = httpclient.HTTPRequest(url, connect_timeout=connect_timeout)
+    request = cast(
+        httpclient.HTTPRequest,
+        httpclient._RequestProxy(request, httpclient.HTTPRequest._DEFAULTS),
+    )
+    conn = WebSocketClientConnection(
+        request,
+        on_message_callback=on_message_callback,
+        compression_options=compression_options,
+        ping_interval=ping_interval,
+        ping_timeout=ping_timeout,
+        max_message_size=max_message_size,
+        subprotocols=subprotocols,
+    )
+    if callback is not None:
+        IOLoop.current().add_future(conn.connect_future, callback)
+    return conn.connect_future
diff --git a/venv/lib/python3.7/site-packages/tornado/wsgi.py b/venv/lib/python3.7/site-packages/tornado/wsgi.py
new file mode 100644
index 0000000..77124aa
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/tornado/wsgi.py
@@ -0,0 +1,199 @@
+#
+# Copyright 2009 Facebook
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""WSGI support for the Tornado web framework.
+
+WSGI is the Python standard for web servers, and allows for interoperability
+between Tornado and other Python web frameworks and servers.
+
+This module provides WSGI support via the `WSGIContainer` class, which
+makes it possible to run applications using other WSGI frameworks on
+the Tornado HTTP server. The reverse is not supported; the Tornado
+`.Application` and `.RequestHandler` classes are designed for use with
+the Tornado `.HTTPServer` and cannot be used in a generic WSGI
+container.
+
+"""
+
+import sys
+from io import BytesIO
+import tornado
+
+from tornado import escape
+from tornado import httputil
+from tornado.log import access_log
+
+from typing import List, Tuple, Optional, Callable, Any, Dict, Text
+from types import TracebackType
+import typing
+
+if typing.TYPE_CHECKING:
+    from typing import Type  # noqa: F401
+    from wsgiref.types import WSGIApplication as WSGIAppType  # noqa: F401
+
+
+# PEP 3333 specifies that WSGI on python 3 generally deals with byte strings
+# that are smuggled inside objects of type unicode (via the latin1 encoding).
+# This function is like those in the tornado.escape module, but defined
+# here to minimize the temptation to use it in non-wsgi contexts.
+def to_wsgi_str(s: bytes) -> str:
+    assert isinstance(s, bytes)
+    return s.decode("latin1")
+
+
+class WSGIContainer(object):
+    r"""Makes a WSGI-compatible function runnable on Tornado's HTTP server.
+
+    .. warning::
+
+       WSGI is a *synchronous* interface, while Tornado's concurrency model
+       is based on single-threaded asynchronous execution.  This means that
+       running a WSGI app with Tornado's `WSGIContainer` is *less scalable*
+       than running the same app in a multi-threaded WSGI server like
+       ``gunicorn`` or ``uwsgi``.  Use `WSGIContainer` only when there are
+       benefits to combining Tornado and WSGI in the same process that
+       outweigh the reduced scalability.
+
+    Wrap a WSGI function in a `WSGIContainer` and pass it to `.HTTPServer` to
+    run it. For example::
+
+        def simple_app(environ, start_response):
+            status = "200 OK"
+            response_headers = [("Content-type", "text/plain")]
+            start_response(status, response_headers)
+            return ["Hello world!\n"]
+
+        container = tornado.wsgi.WSGIContainer(simple_app)
+        http_server = tornado.httpserver.HTTPServer(container)
+        http_server.listen(8888)
+        tornado.ioloop.IOLoop.current().start()
+
+    This class is intended to let other frameworks (Django, web.py, etc)
+    run on the Tornado HTTP server and I/O loop.
+
+    The `tornado.web.FallbackHandler` class is often useful for mixing
+    Tornado and WSGI apps in the same server.  See
+    https://github.com/bdarnell/django-tornado-demo for a complete example.
+    """
+
+    def __init__(self, wsgi_application: "WSGIAppType") -> None:
+        self.wsgi_application = wsgi_application
+
+    def __call__(self, request: httputil.HTTPServerRequest) -> None:
+        data = {}  # type: Dict[str, Any]
+        response = []  # type: List[bytes]
+
+        def start_response(
+            status: str,
+            headers: List[Tuple[str, str]],
+            exc_info: Optional[
+                Tuple[
+                    "Optional[Type[BaseException]]",
+                    Optional[BaseException],
+                    Optional[TracebackType],
+                ]
+            ] = None,
+        ) -> Callable[[bytes], Any]:
+            data["status"] = status
+            data["headers"] = headers
+            return response.append
+
+        app_response = self.wsgi_application(
+            WSGIContainer.environ(request), start_response
+        )
+        try:
+            response.extend(app_response)
+            body = b"".join(response)
+        finally:
+            if hasattr(app_response, "close"):
+                app_response.close()  # type: ignore
+        if not data:
+            raise Exception("WSGI app did not call start_response")
+
+        status_code_str, reason = data["status"].split(" ", 1)
+        status_code = int(status_code_str)
+        headers = data["headers"]  # type: List[Tuple[str, str]]
+        header_set = set(k.lower() for (k, v) in headers)
+        body = escape.utf8(body)
+        if status_code != 304:
+            if "content-length" not in header_set:
+                headers.append(("Content-Length", str(len(body))))
+            if "content-type" not in header_set:
+                headers.append(("Content-Type", "text/html; charset=UTF-8"))
+        if "server" not in header_set:
+            headers.append(("Server", "TornadoServer/%s" % tornado.version))
+
+        start_line = httputil.ResponseStartLine("HTTP/1.1", status_code, reason)
+        header_obj = httputil.HTTPHeaders()
+        for key, value in headers:
+            header_obj.add(key, value)
+        assert request.connection is not None
+        request.connection.write_headers(start_line, header_obj, chunk=body)
+        request.connection.finish()
+        self._log(status_code, request)
+
+    @staticmethod
+    def environ(request: httputil.HTTPServerRequest) -> Dict[Text, Any]:
+        """Converts a `tornado.httputil.HTTPServerRequest` to a WSGI environment.
+        """
+        hostport = request.host.split(":")
+        if len(hostport) == 2:
+            host = hostport[0]
+            port = int(hostport[1])
+        else:
+            host = request.host
+            port = 443 if request.protocol == "https" else 80
+        environ = {
+            "REQUEST_METHOD": request.method,
+            "SCRIPT_NAME": "",
+            "PATH_INFO": to_wsgi_str(
+                escape.url_unescape(request.path, encoding=None, plus=False)
+            ),
+            "QUERY_STRING": request.query,
+            "REMOTE_ADDR": request.remote_ip,
+            "SERVER_NAME": host,
+            "SERVER_PORT": str(port),
+            "SERVER_PROTOCOL": request.version,
+            "wsgi.version": (1, 0),
+            "wsgi.url_scheme": request.protocol,
+            "wsgi.input": BytesIO(escape.utf8(request.body)),
+            "wsgi.errors": sys.stderr,
+            "wsgi.multithread": False,
+            "wsgi.multiprocess": True,
+            "wsgi.run_once": False,
+        }
+        if "Content-Type" in request.headers:
+            environ["CONTENT_TYPE"] = request.headers.pop("Content-Type")
+        if "Content-Length" in request.headers:
+            environ["CONTENT_LENGTH"] = request.headers.pop("Content-Length")
+        for key, value in request.headers.items():
+            environ["HTTP_" + key.replace("-", "_").upper()] = value
+        return environ
+
+    def _log(self, status_code: int, request: httputil.HTTPServerRequest) -> None:
+        if status_code < 400:
+            log_method = access_log.info
+        elif status_code < 500:
+            log_method = access_log.warning
+        else:
+            log_method = access_log.error
+        request_time = 1000.0 * request.request_time()
+        assert request.method is not None
+        assert request.uri is not None
+        summary = request.method + " " + request.uri + " (" + request.remote_ip + ")"
+        log_method("%d %s %.2fms", status_code, summary, request_time)
+
+
+HTTPRequest = httputil.HTTPServerRequest
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/INSTALLER
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/LICENSE b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/LICENSE
new file mode 100644
index 0000000..7da84f4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2019 Thomas Kemmer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/METADATA b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/METADATA
new file mode 100644
index 0000000..18b83ff
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/METADATA
@@ -0,0 +1,124 @@
+Metadata-Version: 2.1
+Name: uritools
+Version: 3.0.0
+Summary: URI parsing, classification and composition
+Home-page: https://github.com/tkem/uritools/
+Author: Thomas Kemmer
+Author-email: tkemmer@computer.org
+License: MIT
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Other Environment
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Requires-Python: ~=3.5
+
+uritools
+========================================================================
+
+.. image:: https://img.shields.io/pypi/v/uritools
+    :target: https://pypi.org/project/uritools
+    :alt: Latest PyPI version
+
+.. image:: https://img.shields.io/readthedocs/uritools
+   :target: https://uritools.readthedocs.io
+   :alt: Documentation build status
+
+.. image:: https://img.shields.io/travis/tkem/uritools
+    :target: https://travis-ci.org/tkem/uritools
+    :alt: Travis CI build status
+
+.. image:: https://img.shields.io/coveralls/tkem/uritools
+   :target: https://coveralls.io/r/tkem/uritools
+   :alt: Test coverage
+
+.. image:: https://img.shields.io/github/license/tkem/uritools
+   :target: http://raw.github.com/tkem/uritools/master/LICENSE
+   :alt: License
+
+This module provides RFC 3986 compliant functions for parsing,
+classifying and composing URIs and URI references, largely replacing
+the Python Standard Library's ``urllib.parse`` module.
+
+.. code-block:: pycon
+
+    >>> from uritools import uricompose, urijoin, urisplit, uriunsplit
+    >>> uricompose(scheme='foo', host='example.com', port=8042,
+    ...            path='/over/there', query={'name': 'ferret'},
+    ...            fragment='nose')
+    'foo://example.com:8042/over/there?name=ferret#nose'
+    >>> parts = urisplit(_)
+    >>> parts.scheme
+    'foo'
+    >>> parts.authority
+    'example.com:8042'
+    >>> parts.getport(default=80)
+    8042
+    >>> parts.getquerydict().get('name')
+    ['ferret']
+    >>> parts.isuri()
+    True
+    >>> parts.isabsuri()
+    False
+    >>> urijoin(uriunsplit(parts), '/right/here?name=swallow#beak')
+    'foo://example.com:8042/right/here?name=swallow#beak'
+
+For various reasons, ``urllib.parse`` and its Python 2 predecessor
+``urlparse`` are not compliant with current Internet standards.  As
+stated in `Lib/urllib/parse.py
+`_:
+
+    RFC 3986 is considered the current standard and any future changes
+    to urlparse module should conform with it.  The urlparse module is
+    currently not entirely compliant with this RFC due to defacto
+    scenarios for parsing, and for backward compatibility purposes,
+    some parsing quirks from older RFCs are retained.
+
+This module aims to provide fully RFC 3986 compliant replacements for
+the most commonly used functions found in ``urllib.parse``.  It also
+includes functions for distinguishing between the different forms of
+URIs and URI references, and for conveniently creating URIs from their
+individual components.
+
+
+Installation
+------------------------------------------------------------------------
+
+uritools is available from PyPI_ and can be installed by running::
+
+  pip install uritools
+
+
+Project Resources
+------------------------------------------------------------------------
+
+- `Documentation`_
+- `Issue tracker`_
+- `Source code`_
+- `Change log`_
+
+
+License
+------------------------------------------------------------------------
+
+Copyright (c) 2014-2019 Thomas Kemmer.
+
+Licensed under the `MIT License`_.
+
+
+.. _PyPI: https://pypi.org/project/uritools/
+.. _Documentation: https://uritools.readthedocs.io/
+.. _Issue tracker: https://github.com/tkem/uritools/issues/
+.. _Source code: https://github.com/tkem/uritools/
+.. _Change log: https://github.com/tkem/uritools/blob/master/CHANGELOG.rst
+.. _MIT License: http://raw.github.com/tkem/uritools/master/LICENSE
+
+
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/RECORD b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/RECORD
new file mode 100644
index 0000000..8b2c2f7
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/RECORD
@@ -0,0 +1,22 @@
+uritools-3.0.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
+uritools-3.0.0.dist-info/LICENSE,sha256=fdSWJiwLo3h_fuvwJmPFDDBf9XWoH2kgjhZFc42jz_w,1085
+uritools-3.0.0.dist-info/METADATA,sha256=TnQW6szwjUe1Qit-53yS0yuO-EkflnJFS28Cd7rRbEQ,4258
+uritools-3.0.0.dist-info/RECORD,,
+uritools-3.0.0.dist-info/WHEEL,sha256=_NOXIqFgOaYmlm9RJLPQZ13BJuEIrp5jx5ptRD5uh3Y,92
+uritools-3.0.0.dist-info/top_level.txt,sha256=Ho67FzoddNX4Z4ukDDQ0v0Mf3jq3dF5HgOCWwotU07g,9
+uritools/__init__.py,sha256=5bGelXU2iflWtz7DLhQ8I3LuH1sKnacHauBJo79XdNA,952
+uritools/__pycache__/__init__.cpython-37.pyc,,
+uritools/__pycache__/chars.cpython-37.pyc,,
+uritools/__pycache__/classify.cpython-37.pyc,,
+uritools/__pycache__/compose.cpython-37.pyc,,
+uritools/__pycache__/defrag.cpython-37.pyc,,
+uritools/__pycache__/encoding.cpython-37.pyc,,
+uritools/__pycache__/join.cpython-37.pyc,,
+uritools/__pycache__/split.cpython-37.pyc,,
+uritools/chars.py,sha256=aNT5UKzFKrJ1hEO5_6u8So3XYq-SFZdHDDitpEhnB-E,539
+uritools/classify.py,sha256=wROYKe4t9K3YQZs1IAbVUIcj0EdRUVi7k2c0Q7tumRU,926
+uritools/compose.py,sha256=Tssd5XaXuDulIdy5qN4xKZTffX_uJKjKHufo4xQPVuQ,8145
+uritools/defrag.py,sha256=ItlGns_4T3zxKgoK0F3B3pLlkcplFMvCQpAN1bm6ydY,1274
+uritools/encoding.py,sha256=6srnGFvEgmATxixzn6StgV8AR22zAYjDsSH6oW7KF6w,1575
+uritools/join.py,sha256=ZIsIL3vTpRIfI50AzNocB6-dlzMNjJbZD9YaEHH62hk,445
+uritools/split.py,sha256=LPfis-xMkQPhoiIKV6dyxD6eZEDPPnBARGZ_93bPBgA,13665
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/WHEEL b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/WHEEL
new file mode 100644
index 0000000..4eeaea1
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.32.3)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/top_level.txt
new file mode 100644
index 0000000..50d5e45
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools-3.0.0.dist-info/top_level.txt
@@ -0,0 +1 @@
+uritools
diff --git a/venv/lib/python3.7/site-packages/uritools/__init__.py b/venv/lib/python3.7/site-packages/uritools/__init__.py
new file mode 100644
index 0000000..991b42c
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/__init__.py
@@ -0,0 +1,40 @@
+"""RFC 3986 compliant, scheme-agnostic replacement for `urllib.parse`.
+
+This module defines RFC 3986 compliant replacements for the most
+commonly used functions of the Python Standard Library
+:mod:`urllib.parse` module.
+
+"""
+
+from .chars import GEN_DELIMS, RESERVED, SUB_DELIMS, UNRESERVED
+from .classify import isabspath, isabsuri, isnetpath, isrelpath
+from .classify import issamedoc, isuri
+from .compose import uricompose
+from .defrag import DefragResult, uridefrag
+from .encoding import uridecode, uriencode
+from .join import urijoin
+from .split import SplitResult, urisplit, uriunsplit
+
+__all__ = (
+    'GEN_DELIMS',
+    'RESERVED',
+    'SUB_DELIMS',
+    'UNRESERVED',
+    'DefragResult',
+    'SplitResult',
+    'isabspath',
+    'isabsuri',
+    'isnetpath',
+    'isrelpath',
+    'issamedoc',
+    'isuri',
+    'uricompose',
+    'uridecode',
+    'uridefrag',
+    'uriencode',
+    'urijoin',
+    'urisplit',
+    'uriunsplit'
+)
+
+__version__ = '3.0.0'
diff --git a/venv/lib/python3.7/site-packages/uritools/chars.py b/venv/lib/python3.7/site-packages/uritools/chars.py
new file mode 100644
index 0000000..1ba1305
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/chars.py
@@ -0,0 +1,23 @@
+# RFC 3986 2.2.  Reserved Characters
+#
+#   reserved    = gen-delims / sub-delims
+#
+#   gen-delims  = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+#
+#   sub-delims  = "!" / "$" / "&" / "'" / "(" / ")"
+#               / "*" / "+" / "," / ";" / "="
+#
+GEN_DELIMS = ':/?#[]@'
+SUB_DELIMS = "!$&'()*+,;="
+RESERVED = GEN_DELIMS + SUB_DELIMS
+
+# RFC 3986 2.3.  Unreserved Characters
+#
+#   unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
+#
+UNRESERVED = (
+    'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+    'abcdefghijklmnopqrstuvwxyz'
+    '0123456789'
+    '-._~'
+)
diff --git a/venv/lib/python3.7/site-packages/uritools/classify.py b/venv/lib/python3.7/site-packages/uritools/classify.py
new file mode 100644
index 0000000..c978ad2
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/classify.py
@@ -0,0 +1,33 @@
+from .split import urisplit
+
+# TODO: use specialized checks/regexes for performance
+
+
+def isuri(uristring):
+    """Return :const:`True` if `uristring` is a URI."""
+    return urisplit(uristring).isuri()
+
+
+def isabsuri(uristring):
+    """Return :const:`True` if `uristring` is an absolute URI."""
+    return urisplit(uristring).isabsuri()
+
+
+def isnetpath(uristring):
+    """Return :const:`True` if `uristring` is a network-path reference."""
+    return urisplit(uristring).isnetpath()
+
+
+def isabspath(uristring):
+    """Return :const:`True` if `uristring` is an absolute-path reference."""
+    return urisplit(uristring).isabspath()
+
+
+def isrelpath(uristring):
+    """Return :const:`True` if `uristring` is a relative-path reference."""
+    return urisplit(uristring).isrelpath()
+
+
+def issamedoc(uristring):
+    """Return :const:`True` if `uristring` is a same-document reference."""
+    return urisplit(uristring).issamedoc()
diff --git a/venv/lib/python3.7/site-packages/uritools/compose.py b/venv/lib/python3.7/site-packages/uritools/compose.py
new file mode 100644
index 0000000..ffe0112
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/compose.py
@@ -0,0 +1,204 @@
+import collections
+import collections.abc
+import ipaddress
+import numbers
+import re
+
+from .chars import SUB_DELIMS
+from .encoding import uriencode
+from .split import uriunsplit
+
+# RFC 3986 3.1: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+_SCHEME_RE = re.compile(b'^[A-Za-z][A-Za-z0-9+.-]*$')
+
+# RFC 3986 3.2: authority = [ userinfo "@" ] host [ ":" port ]
+_AUTHORITY_RE_BYTES = re.compile(b'^(?:(.*)@)?(.*?)(?::([0-9]*))?$')
+_AUTHORITY_RE_STR = re.compile(u'^(?:(.*)@)?(.*?)(?::([0-9]*))?$')
+
+# safe component characters
+_SAFE_USERINFO = SUB_DELIMS + ':'
+_SAFE_HOST = SUB_DELIMS
+_SAFE_PATH = SUB_DELIMS + ':@/'
+_SAFE_QUERY = SUB_DELIMS + ':@/?'
+_SAFE_FRAGMENT = SUB_DELIMS + ':@/?'
+
+
+def _scheme(scheme):
+    if _SCHEME_RE.match(scheme):
+        return scheme.lower()
+    else:
+        raise ValueError('Invalid scheme component')
+
+
+def _authority(userinfo, host, port, encoding):
+    authority = []
+
+    if userinfo is not None:
+        authority.append(uriencode(userinfo, _SAFE_USERINFO, encoding))
+        authority.append(b'@')
+
+    if isinstance(host, ipaddress.IPv6Address):
+        authority.append(b'[' + host.compressed.encode() + b']')
+    elif isinstance(host, ipaddress.IPv4Address):
+        authority.append(host.compressed.encode())
+    elif isinstance(host, bytes):
+        authority.append(_host(host))
+    elif host is not None:
+        authority.append(_host(host.encode('utf-8')))
+
+    if isinstance(port, numbers.Number):
+        authority.append(_port(str(port).encode()))
+    elif isinstance(port, bytes):
+        authority.append(_port(port))
+    elif port is not None:
+        authority.append(_port(port.encode()))
+
+    return b''.join(authority) if authority else None
+
+
+def _ip_literal(address):
+    if address.startswith('v'):
+        raise ValueError('Address mechanism not supported')
+    else:
+        return b'[' + ipaddress.IPv6Address(address).compressed.encode() + b']'
+
+
+def _host(host):
+    # RFC 3986 3.2.3: Although host is case-insensitive, producers and
+    # normalizers should use lowercase for registered names and
+    # hexadecimal addresses for the sake of uniformity, while only
+    # using uppercase letters for percent-encodings.
+    if host.startswith(b'[') and host.endswith(b']'):
+        return _ip_literal(host[1:-1].decode())
+    # check for IPv6 addresses as returned by SplitResult.gethost()
+    try:
+        return _ip_literal(host.decode('utf-8'))
+    except ValueError:
+        return uriencode(host, _SAFE_HOST, 'utf-8').lower()
+
+
+def _port(port):
+    # RFC 3986 3.2.3: URI producers and normalizers should omit the
+    # port component and its ":" delimiter if port is empty or if its
+    # value would be the same as that of the scheme's default.
+    if port.lstrip(b'0123456789'):
+        raise ValueError('Invalid port subcomponent')
+    elif port:
+        return b':' + port
+    else:
+        return b''
+
+
+def _querylist(items, sep, encoding):
+    terms = []
+    append = terms.append
+    safe = _SAFE_QUERY.replace(sep, '')
+    for key, value in items:
+        name = uriencode(key, safe, encoding)
+        if value is None:
+            append(name)
+        elif isinstance(value, (bytes, str)):
+            append(name + b'=' + uriencode(value, safe, encoding))
+        else:
+            append(name + b'=' + uriencode(str(value), safe, encoding))
+    return sep.encode('ascii').join(terms)
+
+
+def _querydict(mapping, sep, encoding):
+    items = []
+    for key, value in mapping.items():
+        if isinstance(value, (bytes, str)):
+            items.append((key, value))
+        elif isinstance(value, collections.abc.Iterable):
+            items.extend([(key, v) for v in value])
+        else:
+            items.append((key, value))
+    return _querylist(items, sep, encoding)
+
+
+def uricompose(scheme=None, authority=None, path='', query=None,
+               fragment=None, userinfo=None, host=None, port=None,
+               querysep='&', encoding='utf-8'):
+    """Compose a URI reference string from its individual components."""
+
+    # RFC 3986 3.1: Scheme names consist of a sequence of characters
+    # beginning with a letter and followed by any combination of
+    # letters, digits, plus ("+"), period ("."), or hyphen ("-").
+    # Although schemes are case-insensitive, the canonical form is
+    # lowercase and documents that specify schemes must do so with
+    # lowercase letters.  An implementation should accept uppercase
+    # letters as equivalent to lowercase in scheme names (e.g., allow
+    # "HTTP" as well as "http") for the sake of robustness but should
+    # only produce lowercase scheme names for consistency.
+    if isinstance(scheme, bytes):
+        scheme = _scheme(scheme)
+    elif scheme is not None:
+        scheme = _scheme(scheme.encode())
+
+    # authority must be string type or three-item iterable
+    if authority is None:
+        authority = (None, None, None)
+    elif isinstance(authority, bytes):
+        authority = _AUTHORITY_RE_BYTES.match(authority).groups()
+    elif isinstance(authority, str):
+        authority = _AUTHORITY_RE_STR.match(authority).groups()
+    elif not isinstance(authority, collections.abc.Iterable):
+        raise TypeError('Invalid authority type')
+    elif len(authority) != 3:
+        raise ValueError('Invalid authority length')
+    authority = _authority(
+        userinfo if userinfo is not None else authority[0],
+        host if host is not None else authority[1],
+        port if port is not None else authority[2],
+        encoding
+    )
+
+    # RFC 3986 3.3: If a URI contains an authority component, then the
+    # path component must either be empty or begin with a slash ("/")
+    # character.  If a URI does not contain an authority component,
+    # then the path cannot begin with two slash characters ("//").
+    path = uriencode(path, _SAFE_PATH, encoding)
+    if authority is not None and path and not path.startswith(b'/'):
+        raise ValueError('Invalid path with authority component')
+    if authority is None and path.startswith(b'//'):
+        raise ValueError('Invalid path without authority component')
+
+    # RFC 3986 4.2: A path segment that contains a colon character
+    # (e.g., "this:that") cannot be used as the first segment of a
+    # relative-path reference, as it would be mistaken for a scheme
+    # name.  Such a segment must be preceded by a dot-segment (e.g.,
+    # "./this:that") to make a relative-path reference.
+    if scheme is None and authority is None and not path.startswith(b'/'):
+        if b':' in path.partition(b'/')[0]:
+            path = b'./' + path
+
+    # RFC 3986 3.4: The characters slash ("/") and question mark ("?")
+    # may represent data within the query component.  Beware that some
+    # older, erroneous implementations may not handle such data
+    # correctly when it is used as the base URI for relative
+    # references (Section 5.1), apparently because they fail to
+    # distinguish query data from path data when looking for
+    # hierarchical separators.  However, as query components are often
+    # used to carry identifying information in the form of "key=value"
+    # pairs and one frequently used value is a reference to another
+    # URI, it is sometimes better for usability to avoid percent-
+    # encoding those characters.
+    if isinstance(query, (bytes, str)):
+        query = uriencode(query, _SAFE_QUERY, encoding)
+    elif isinstance(query, collections.abc.Mapping):
+        query = _querydict(query, querysep, encoding)
+    elif isinstance(query, collections.abc.Iterable):
+        query = _querylist(query, querysep, encoding)
+    elif query is not None:
+        raise TypeError('Invalid query type')
+
+    # RFC 3986 3.5: The characters slash ("/") and question mark ("?")
+    # are allowed to represent data within the fragment identifier.
+    # Beware that some older, erroneous implementations may not handle
+    # this data correctly when it is used as the base URI for relative
+    # references.
+    if fragment is not None:
+        fragment = uriencode(fragment, _SAFE_FRAGMENT, encoding)
+
+    # return URI reference as `str`
+    return uriunsplit((scheme, authority, path, query, fragment)).decode()
diff --git a/venv/lib/python3.7/site-packages/uritools/defrag.py b/venv/lib/python3.7/site-packages/uritools/defrag.py
new file mode 100644
index 0000000..00d8735
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/defrag.py
@@ -0,0 +1,41 @@
+import collections
+
+from .encoding import uridecode
+
+
+class DefragResult(collections.namedtuple('DefragResult', 'uri fragment')):
+    """Class to hold :func:`uridefrag` results."""
+
+    __slots__ = ()  # prevent creation of instance dictionary
+
+    def geturi(self):
+        """Return the recombined version of the original URI as a string."""
+        fragment = self.fragment
+        if fragment is None:
+            return self.uri
+        elif isinstance(fragment, bytes):
+            return self.uri + b'#' + fragment
+        else:
+            return self.uri + u'#' + fragment
+
+    def getfragment(self, default=None, encoding='utf-8', errors='strict'):
+        """Return the decoded fragment identifier, or `default` if the
+        original URI did not contain a fragment component.
+
+        """
+        fragment = self.fragment
+        if fragment is not None:
+            return uridecode(fragment, encoding, errors)
+        else:
+            return default
+
+
+def uridefrag(uristring):
+    """Remove an existing fragment component from a URI reference string.
+
+    """
+    if isinstance(uristring, bytes):
+        parts = uristring.partition(b'#')
+    else:
+        parts = uristring.partition(u'#')
+    return DefragResult(parts[0], parts[2] if parts[1] else None)
diff --git a/venv/lib/python3.7/site-packages/uritools/encoding.py b/venv/lib/python3.7/site-packages/uritools/encoding.py
new file mode 100644
index 0000000..1c60cca
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/encoding.py
@@ -0,0 +1,53 @@
+from string import hexdigits as _hex
+
+from .chars import UNRESERVED
+
+
+# RFC 3986 2.1: For consistency, URI producers and normalizers should
+# use uppercase hexadecimal digits for all percent-encodings.
+def _pctenc(byte):
+    return ('%%%02X' % byte).encode()
+
+
+_unreserved = frozenset(UNRESERVED.encode())
+
+_encoded = {
+    b'': [bytes([i]) if i in _unreserved else _pctenc(i) for i in range(256)]
+}
+
+_decoded = {
+    (a + b).encode(): bytes.fromhex(a + b) for a in _hex for b in _hex
+}
+
+
+def uriencode(uristring, safe='', encoding='utf-8', errors='strict'):
+    """Encode a URI string or string component."""
+    if not isinstance(uristring, bytes):
+        uristring = uristring.encode(encoding, errors)
+    if not isinstance(safe, bytes):
+        safe = safe.encode('ascii')
+    try:
+        encoded = _encoded[safe]
+    except KeyError:
+        encoded = _encoded[b''][:]
+        for i in safe:
+            encoded[i] = bytes([i])
+        _encoded[safe] = encoded
+    return b''.join(map(encoded.__getitem__, uristring))
+
+
+def uridecode(uristring, encoding='utf-8', errors='strict'):
+    """Decode a URI string or string component."""
+    if not isinstance(uristring, bytes):
+        uristring = uristring.encode(encoding or 'ascii', errors)
+    parts = uristring.split(b'%')
+    result = [parts[0]]
+    append = result.append
+    decode = _decoded.get
+    for s in parts[1:]:
+        append(decode(s[:2], b'%' + s[:2]))
+        append(s[2:])
+    if encoding is not None:
+        return b''.join(result).decode(encoding, errors)
+    else:
+        return b''.join(result)
diff --git a/venv/lib/python3.7/site-packages/uritools/join.py b/venv/lib/python3.7/site-packages/uritools/join.py
new file mode 100644
index 0000000..e2f211e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/join.py
@@ -0,0 +1,14 @@
+from .split import urisplit
+
+
+def urijoin(base, ref, strict=False):
+    """Convert a URI reference relative to a base URI to its target URI
+    string.
+
+    """
+    if isinstance(base, type(ref)):
+        return urisplit(base).transform(ref, strict).geturi()
+    elif isinstance(base, bytes):
+        return urisplit(base.decode()).transform(ref, strict).geturi()
+    else:
+        return urisplit(base).transform(ref.decode(), strict).geturi()
diff --git a/venv/lib/python3.7/site-packages/uritools/split.py b/venv/lib/python3.7/site-packages/uritools/split.py
new file mode 100644
index 0000000..e7aa8c2
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/uritools/split.py
@@ -0,0 +1,399 @@
+import collections
+import collections.abc
+import ipaddress
+import re
+
+from .encoding import uridecode
+
+_URI_COMPONENTS = ('scheme', 'authority', 'path', 'query', 'fragment')
+
+
+def _ip_literal(address):
+    # RFC 3986 3.2.2: In anticipation of future, as-yet-undefined IP
+    # literal address formats, an implementation may use an optional
+    # version flag to indicate such a format explicitly rather than
+    # rely on heuristic determination.
+    #
+    #  IP-literal = "[" ( IPv6address / IPvFuture  ) "]"
+    #
+    #  IPvFuture  = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
+    #
+    # If a URI containing an IP-literal that starts with "v"
+    # (case-insensitive), indicating that the version flag is present,
+    # is dereferenced by an application that does not know the meaning
+    # of that version flag, then the application should return an
+    # appropriate error for "address mechanism not supported".
+    if isinstance(address, bytes):
+        address = address.decode('ascii')
+    if address.startswith(u'v'):
+        raise ValueError('address mechanism not supported')
+    return ipaddress.IPv6Address(address)
+
+
+def _ipv4_address(address):
+    try:
+        if isinstance(address, bytes):
+            return ipaddress.IPv4Address(address.decode('ascii'))
+        else:
+            return ipaddress.IPv4Address(address)
+    except ValueError:
+        return None
+
+
+class SplitResult(collections.namedtuple('SplitResult', _URI_COMPONENTS)):
+    """Base class to hold :func:`urisplit` results."""
+
+    __slots__ = ()  # prevent creation of instance dictionary
+
+    @property
+    def userinfo(self):
+        authority = self.authority
+        if authority is None:
+            return None
+        userinfo, present, _ = authority.rpartition(self.AT)
+        if present:
+            return userinfo
+        else:
+            return None
+
+    @property
+    def host(self):
+        authority = self.authority
+        if authority is None:
+            return None
+        _, _, hostinfo = authority.rpartition(self.AT)
+        host, _, port = hostinfo.rpartition(self.COLON)
+        if port.lstrip(self.DIGITS):
+            return hostinfo
+        else:
+            return host
+
+    @property
+    def port(self):
+        authority = self.authority
+        if authority is None:
+            return None
+        _, present, port = authority.rpartition(self.COLON)
+        if present and not port.lstrip(self.DIGITS):
+            return port
+        else:
+            return None
+
+    def geturi(self):
+        """Return the re-combined version of the original URI reference as a
+        string.
+
+        """
+        scheme, authority, path, query, fragment = self
+
+        # RFC 3986 5.3. Component Recomposition
+        result = []
+        if scheme is not None:
+            result.extend([scheme, self.COLON])
+        if authority is not None:
+            result.extend([self.SLASH, self.SLASH, authority])
+        result.append(path)
+        if query is not None:
+            result.extend([self.QUEST, query])
+        if fragment is not None:
+            result.extend([self.HASH, fragment])
+        return self.EMPTY.join(result)
+
+    def getscheme(self, default=None):
+        """Return the URI scheme in canonical (lowercase) form, or `default`
+        if the original URI reference did not contain a scheme component.
+
+        """
+        scheme = self.scheme
+        if scheme is None:
+            return default
+        elif isinstance(scheme, bytes):
+            return scheme.decode('ascii').lower()
+        else:
+            return scheme.lower()
+
+    def getauthority(self, default=None, encoding='utf-8', errors='strict'):
+        """Return the decoded userinfo, host and port subcomponents of the URI
+        authority as a three-item tuple.
+
+        """
+        # TBD: (userinfo, host, port) kwargs, default string?
+        if default is None:
+            default = (None, None, None)
+        elif not isinstance(default, collections.abc.Iterable):
+            raise TypeError('Invalid default type')
+        elif len(default) != 3:
+            raise ValueError('Invalid default length')
+        # TODO: this could be much more efficient by using a dedicated regex
+        return (
+            self.getuserinfo(default[0], encoding, errors),
+            self.gethost(default[1], errors),
+            self.getport(default[2])
+        )
+
+    def getuserinfo(self, default=None, encoding='utf-8', errors='strict'):
+        """Return the decoded userinfo subcomponent of the URI authority, or
+        `default` if the original URI reference did not contain a
+        userinfo field.
+
+        """
+        userinfo = self.userinfo
+        if userinfo is None:
+            return default
+        else:
+            return uridecode(userinfo, encoding, errors)
+
+    def gethost(self, default=None, errors='strict'):
+        """Return the decoded host subcomponent of the URI authority as a
+        string or an :mod:`ipaddress` address object, or `default` if
+        the original URI reference did not contain a host.
+
+        """
+        host = self.host
+        if host is None or (not host and default is not None):
+            return default
+        elif host.startswith(self.LBRACKET) and host.endswith(self.RBRACKET):
+            return _ip_literal(host[1:-1])
+        elif host.startswith(self.LBRACKET) or host.endswith(self.RBRACKET):
+            raise ValueError('Invalid host %r' % host)
+        # TODO: faster check for IPv4 address?
+        return _ipv4_address(host) or uridecode(host, 'utf-8', errors).lower()
+
+    def getport(self, default=None):
+        """Return the port subcomponent of the URI authority as an
+        :class:`int`, or `default` if the original URI reference did
+        not contain a port or if the port was empty.
+
+        """
+        port = self.port
+        if port:
+            return int(port)
+        else:
+            return default
+
+    def getpath(self, encoding='utf-8', errors='strict'):
+        """Return the normalized decoded URI path."""
+        path = self.__remove_dot_segments(self.path)
+        return uridecode(path, encoding, errors)
+
+    def getquery(self, default=None, encoding='utf-8', errors='strict'):
+        """Return the decoded query string, or `default` if the original URI
+        reference did not contain a query component.
+
+        """
+        query = self.query
+        if query is None:
+            return default
+        else:
+            return uridecode(query, encoding, errors)
+
+    def getquerydict(self, sep='&', encoding='utf-8', errors='strict'):
+        """Split the query component into individual `name=value` pairs
+        separated by `sep` and return a dictionary of query variables.
+        The dictionary keys are the unique query variable names and
+        the values are lists of values for each name.
+
+        """
+        dict = collections.defaultdict(list)
+        for name, value in self.getquerylist(sep, encoding, errors):
+            dict[name].append(value)
+        return dict
+
+    def getquerylist(self, sep='&', encoding='utf-8', errors='strict'):
+        """Split the query component into individual `name=value` pairs
+        separated by `sep`, and return a list of `(name, value)`
+        tuples.
+
+        """
+        if not self.query:
+            return []
+        elif isinstance(sep, type(self.query)):
+            qsl = self.query.split(sep)
+        elif isinstance(sep, bytes):
+            qsl = self.query.split(sep.decode('ascii'))
+        else:
+            qsl = self.query.split(sep.encode('ascii'))
+        items = []
+        for parts in [qs.partition(self.EQ) for qs in qsl if qs]:
+            name = uridecode(parts[0], encoding, errors)
+            if parts[1]:
+                value = uridecode(parts[2], encoding, errors)
+            else:
+                value = None
+            items.append((name, value))
+        return items
+
+    def getfragment(self, default=None, encoding='utf-8', errors='strict'):
+        """Return the decoded fragment identifier, or `default` if the
+        original URI reference did not contain a fragment component.
+
+        """
+        fragment = self.fragment
+        if fragment is None:
+            return default
+        else:
+            return uridecode(fragment, encoding, errors)
+
+    def isuri(self):
+        """Return :const:`True` if this is a URI."""
+        return self.scheme is not None
+
+    def isabsuri(self):
+        """Return :const:`True` if this is an absolute URI."""
+        return self.scheme is not None and self.fragment is None
+
+    def isnetpath(self):
+        """Return :const:`True` if this is a network-path reference."""
+        return self.scheme is None and self.authority is not None
+
+    def isabspath(self):
+        """Return :const:`True` if this is an absolute-path reference."""
+        return (self.scheme is None and self.authority is None and
+                self.path.startswith(self.SLASH))
+
+    def isrelpath(self):
+        """Return :const:`True` if this is a relative-path reference."""
+        return (self.scheme is None and self.authority is None and
+                not self.path.startswith(self.SLASH))
+
+    def issamedoc(self):
+        """Return :const:`True` if this is a same-document reference."""
+        return (self.scheme is None and self.authority is None and
+                not self.path and self.query is None)
+
+    def transform(self, ref, strict=False):
+        """Transform a URI reference relative to `self` into a
+        :class:`SplitResult` representing its target URI.
+
+        """
+        scheme, authority, path, query, fragment = self.RE.match(ref).groups()
+
+        # RFC 3986 5.2.2. Transform References
+        if scheme is not None and (strict or scheme != self.scheme):
+            path = self.__remove_dot_segments(path)
+        elif authority is not None:
+            scheme = self.scheme
+            path = self.__remove_dot_segments(path)
+        elif not path:
+            scheme = self.scheme
+            authority = self.authority
+            path = self.path
+            query = self.query if query is None else query
+        elif path.startswith(self.SLASH):
+            scheme = self.scheme
+            authority = self.authority
+            path = self.__remove_dot_segments(path)
+        else:
+            scheme = self.scheme
+            authority = self.authority
+            path = self.__remove_dot_segments(self.__merge(path))
+        return type(self)(scheme, authority, path, query, fragment)
+
+    def __merge(self, path):
+        # RFC 3986 5.2.3. Merge Paths
+        if self.authority is not None and not self.path:
+            return self.SLASH + path
+        else:
+            parts = self.path.rpartition(self.SLASH)
+            return parts[1].join((parts[0], path))
+
+    @classmethod
+    def __remove_dot_segments(cls, path):
+        # RFC 3986 5.2.4. Remove Dot Segments
+        pseg = []
+        for s in path.split(cls.SLASH):
+            if s == cls.DOT:
+                continue
+            elif s != cls.DOTDOT:
+                pseg.append(s)
+            elif len(pseg) == 1 and not pseg[0]:
+                continue
+            elif pseg and pseg[-1] != cls.DOTDOT:
+                pseg.pop()
+            else:
+                pseg.append(s)
+        # adjust for trailing '/.' or '/..'
+        if path.rpartition(cls.SLASH)[2] in (cls.DOT, cls.DOTDOT):
+            pseg.append(cls.EMPTY)
+        if path and len(pseg) == 1 and pseg[0] == cls.EMPTY:
+            pseg.insert(0, cls.DOT)
+        return cls.SLASH.join(pseg)
+
+
+class SplitResultBytes(SplitResult):
+
+    __slots__ = ()  # prevent creation of instance dictionary
+
+    # RFC 3986 Appendix B
+    RE = re.compile(br"""
+    (?:([A-Za-z][A-Za-z0-9+.-]*):)?  # scheme (RFC 3986 3.1)
+    (?://([^/?#]*))?                 # authority
+    ([^?#]*)                         # path
+    (?:\?([^#]*))?                   # query
+    (?:\#(.*))?                      # fragment
+    """, flags=re.VERBOSE)
+
+    # RFC 3986 2.2 gen-delims
+    COLON, SLASH, QUEST, HASH, LBRACKET, RBRACKET, AT = (
+        b':', b'/', b'?', b'#', b'[', b']', b'@'
+    )
+
+    # RFC 3986 3.3 dot-segments
+    DOT, DOTDOT = b'.', b'..'
+
+    EMPTY, EQ = b'', b'='
+
+    DIGITS = b'0123456789'
+
+
+class SplitResultString(SplitResult):
+
+    __slots__ = ()  # prevent creation of instance dictionary
+
+    # RFC 3986 Appendix B
+    RE = re.compile(r"""
+    (?:([A-Za-z][A-Za-z0-9+.-]*):)?  # scheme (RFC 3986 3.1)
+    (?://([^/?#]*))?                 # authority
+    ([^?#]*)                         # path
+    (?:\?([^#]*))?                   # query
+    (?:\#(.*))?                      # fragment
+    """, flags=re.VERBOSE)
+
+    # RFC 3986 2.2 gen-delims
+    COLON, SLASH, QUEST, HASH, LBRACKET, RBRACKET, AT = (
+        u':', u'/', u'?', u'#', u'[', u']', u'@'
+    )
+
+    # RFC 3986 3.3 dot-segments
+    DOT, DOTDOT = u'.', u'..'
+
+    EMPTY, EQ = u'', u'='
+
+    DIGITS = u'0123456789'
+
+
+def urisplit(uristring):
+    """Split a well-formed URI reference string into a tuple with five
+    components corresponding to a URI's general structure::
+
+      :///?#
+
+    """
+    if isinstance(uristring, bytes):
+        result = SplitResultBytes
+    else:
+        result = SplitResultString
+    return result(*result.RE.match(uristring).groups())
+
+
+def uriunsplit(parts):
+    """Combine the elements of a five-item iterable into a URI reference's
+    string representation.
+
+    """
+    scheme, authority, path, query, fragment = parts
+    if isinstance(path, bytes):
+        result = SplitResultBytes
+    else:
+        result = SplitResultString
+    return result(scheme, authority, path, query, fragment).geturi()
diff --git a/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/INSTALLER
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/LICENSE.txt b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/LICENSE.txt
new file mode 100644
index 0000000..c89cf27
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2008-2019 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/METADATA b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/METADATA
new file mode 100644
index 0000000..eac8277
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/METADATA
@@ -0,0 +1,1229 @@
+Metadata-Version: 2.1
+Name: urllib3
+Version: 1.25.7
+Summary: HTTP library with thread-safe connection pooling, file post, and more.
+Home-page: https://urllib3.readthedocs.io/
+Author: Andrey Petrov
+Author-email: andrey.petrov@shazow.net
+License: MIT
+Project-URL: Documentation, https://urllib3.readthedocs.io/
+Project-URL: Code, https://github.com/urllib3/urllib3
+Project-URL: Issue tracker, https://github.com/urllib3/urllib3/issues
+Keywords: urllib httplib threadsafe filepost http https ssl pooling
+Platform: UNKNOWN
+Classifier: Environment :: Web Environment
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.4
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Internet :: WWW/HTTP
+Classifier: Topic :: Software Development :: Libraries
+Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4
+Provides-Extra: brotli
+Requires-Dist: brotlipy (>=0.6.0) ; extra == 'brotli'
+Provides-Extra: secure
+Requires-Dist: pyOpenSSL (>=0.14) ; extra == 'secure'
+Requires-Dist: cryptography (>=1.3.4) ; extra == 'secure'
+Requires-Dist: idna (>=2.0.0) ; extra == 'secure'
+Requires-Dist: certifi ; extra == 'secure'
+Requires-Dist: ipaddress ; (python_version == "2.7") and extra == 'secure'
+Provides-Extra: socks
+Requires-Dist: PySocks (!=1.5.7,<2.0,>=1.5.6) ; extra == 'socks'
+
+urllib3
+=======
+
+urllib3 is a powerful, *sanity-friendly* HTTP client for Python. Much of the
+Python ecosystem already uses urllib3 and you should too.
+urllib3 brings many critical features that are missing from the Python
+standard libraries:
+
+- Thread safety.
+- Connection pooling.
+- Client-side SSL/TLS verification.
+- File uploads with multipart encoding.
+- Helpers for retrying requests and dealing with HTTP redirects.
+- Support for gzip, deflate, and brotli encoding.
+- Proxy support for HTTP and SOCKS.
+- 100% test coverage.
+
+urllib3 is powerful and easy to use::
+
+    >>> import urllib3
+    >>> http = urllib3.PoolManager()
+    >>> r = http.request('GET', 'http://httpbin.org/robots.txt')
+    >>> r.status
+    200
+    >>> r.data
+    'User-agent: *\nDisallow: /deny\n'
+
+
+Installing
+----------
+
+urllib3 can be installed with `pip `_::
+
+    $ pip install urllib3
+
+Alternatively, you can grab the latest source code from `GitHub `_::
+
+    $ git clone git://github.com/urllib3/urllib3.git
+    $ python setup.py install
+
+
+Documentation
+-------------
+
+urllib3 has usage and reference documentation at `urllib3.readthedocs.io `_.
+
+
+Contributing
+------------
+
+urllib3 happily accepts contributions. Please see our
+`contributing documentation `_
+for some tips on getting started.
+
+
+Security Disclosures
+--------------------
+
+To report a security vulnerability, please use the
+`Tidelift security contact `_.
+Tidelift will coordinate the fix and disclosure with maintainers.
+
+Maintainers
+-----------
+
+- `@sethmlarson `_ (Seth M. Larson)
+- `@theacodes `_ (Thea Flowers)
+- `@haikuginger `_ (Jess Shapiro)
+- `@lukasa `_ (Cory Benfield)
+- `@sigmavirus24 `_ (Ian Stapleton Cordasco)
+- `@shazow `_ (Andrey Petrov)
+
+👋
+
+
+Sponsorship
+-----------
+
+.. |tideliftlogo| image:: https://nedbatchelder.com/pix/Tidelift_Logos_RGB_Tidelift_Shorthand_On-White_small.png
+   :width: 75
+   :alt: Tidelift
+
+.. list-table::
+   :widths: 10 100
+
+   * - |tideliftlogo|
+     - Professional support for urllib3 is available as part of the `Tidelift
+       Subscription`_.  Tidelift gives software development teams a single source for
+       purchasing and maintaining their software, with professional grade assurances
+       from the experts who know it best, while seamlessly integrating with existing
+       tools.
+
+.. _Tidelift Subscription: https://tidelift.com/subscription/pkg/pypi-urllib3?utm_source=pypi-urllib3&utm_medium=referral&utm_campaign=readme
+
+If your company benefits from this library, please consider `sponsoring its
+development `_.
+
+Sponsors include:
+
+- Abbott (2018-2019), sponsored `@sethmlarson `_'s work on urllib3.
+- Google Cloud Platform (2018-2019), sponsored `@theacodes `_'s work on urllib3.
+- Akamai (2017-2018), sponsored `@haikuginger `_'s work on urllib3
+- Hewlett Packard Enterprise (2016-2017), sponsored `@Lukasa’s `_ work on urllib3.
+
+
+Changes
+=======
+
+1.25.7 (2019-11-11)
+-------------------
+
+* Preserve ``chunked`` parameter on retries (Pull #1715, Pull #1734)
+
+* Allow unset ``SERVER_SOFTWARE`` in App Engine (Pull #1704, Issue #1470)
+
+* Fix issue where URL fragment was sent within the request target. (Pull #1732)
+
+* Fix issue where an empty query section in a URL would fail to parse. (Pull #1732)
+
+* Remove TLS 1.3 support in SecureTransport due to Apple removing support (Pull #1703)
+
+
+1.25.6 (2019-09-24)
+-------------------
+
+* Fix issue where tilde (``~``) characters were incorrectly
+  percent-encoded in the path. (Pull #1692)
+
+
+1.25.5 (2019-09-19)
+-------------------
+
+* Add mitigation for BPO-37428 affecting Python <3.7.4 and OpenSSL 1.1.1+ which
+  caused certificate verification to be enabled when using ``cert_reqs=CERT_NONE``.
+  (Issue #1682)
+
+
+1.25.4 (2019-09-19)
+-------------------
+
+* Propagate Retry-After header settings to subsequent retries. (Pull #1607)
+
+* Fix edge case where Retry-After header was still respected even when
+  explicitly opted out of. (Pull #1607)
+
+* Remove dependency on ``rfc3986`` for URL parsing.
+
+* Fix issue where URLs containing invalid characters within ``Url.auth`` would
+  raise an exception instead of percent-encoding those characters.
+
+* Add support for ``HTTPResponse.auto_close = False`` which makes HTTP responses
+  work well with BufferedReaders and other ``io`` module features. (Pull #1652)
+
+* Percent-encode invalid characters in URL for ``HTTPConnectionPool.request()`` (Pull #1673)
+
+
+1.25.3 (2019-05-23)
+-------------------
+
+* Change ``HTTPSConnection`` to load system CA certificates
+  when ``ca_certs``, ``ca_cert_dir``, and ``ssl_context`` are
+  unspecified. (Pull #1608, Issue #1603)
+
+* Upgrade bundled rfc3986 to v1.3.2. (Pull #1609, Issue #1605)
+
+
+1.25.2 (2019-04-28)
+-------------------
+
+* Change ``is_ipaddress`` to not detect IPvFuture addresses. (Pull #1583)
+
+* Change ``parse_url`` to percent-encode invalid characters within the
+  path, query, and target components. (Pull #1586)
+
+
+1.25.1 (2019-04-24)
+-------------------
+
+* Add support for Google's ``Brotli`` package. (Pull #1572, Pull #1579)
+
+* Upgrade bundled rfc3986 to v1.3.1 (Pull #1578)
+
+
+1.25 (2019-04-22)
+-----------------
+
+* Require and validate certificates by default when using HTTPS (Pull #1507)
+
+* Upgraded ``urllib3.utils.parse_url()`` to be RFC 3986 compliant. (Pull #1487)
+
+* Added support for ``key_password`` for ``HTTPSConnectionPool`` to use
+  encrypted ``key_file`` without creating your own ``SSLContext`` object. (Pull #1489)
+
+* Add TLSv1.3 support to CPython, pyOpenSSL, and SecureTransport ``SSLContext``
+  implementations. (Pull #1496)
+
+* Switched the default multipart header encoder from RFC 2231 to HTML 5 working draft. (Issue #303, PR #1492)
+
+* Fixed issue where OpenSSL would block if an encrypted client private key was
+  given and no password was given. Instead an ``SSLError`` is raised. (Pull #1489)
+
+* Added support for Brotli content encoding. It is enabled automatically if
+  ``brotlipy`` package is installed which can be requested with
+  ``urllib3[brotli]`` extra. (Pull #1532)
+
+* Drop ciphers using DSS key exchange from default TLS cipher suites.
+  Improve default ciphers when using SecureTransport. (Pull #1496)
+
+* Implemented a more efficient ``HTTPResponse.__iter__()`` method. (Issue #1483)
+
+1.24.3 (2019-05-01)
+-------------------
+
+* Apply fix for CVE-2019-9740. (Pull #1591)
+
+1.24.2 (2019-04-17)
+-------------------
+
+* Don't load system certificates by default when any other ``ca_certs``, ``ca_certs_dir`` or
+  ``ssl_context`` parameters are specified.
+
+* Remove Authorization header regardless of case when redirecting to cross-site. (Issue #1510)
+
+* Add support for IPv6 addresses in subjectAltName section of certificates. (Issue #1269)
+
+
+1.24.1 (2018-11-02)
+-------------------
+
+* Remove quadratic behavior within ``GzipDecoder.decompress()`` (Issue #1467)
+
+* Restored functionality of ``ciphers`` parameter for ``create_urllib3_context()``. (Issue #1462)
+
+
+1.24 (2018-10-16)
+-----------------
+
+* Allow key_server_hostname to be specified when initializing a PoolManager to allow custom SNI to be overridden. (Pull #1449)
+
+* Test against Python 3.7 on AppVeyor. (Pull #1453)
+
+* Early-out ipv6 checks when running on App Engine. (Pull #1450)
+
+* Change ambiguous description of backoff_factor (Pull #1436)
+
+* Add ability to handle multiple Content-Encodings (Issue #1441 and Pull #1442)
+
+* Skip DNS names that can't be idna-decoded when using pyOpenSSL (Issue #1405).
+
+* Add a server_hostname parameter to HTTPSConnection which allows for
+  overriding the SNI hostname sent in the handshake. (Pull #1397)
+
+* Drop support for EOL Python 2.6 (Pull #1429 and Pull #1430)
+
+* Fixed bug where responses with header Content-Type: message/* erroneously
+  raised HeaderParsingError, resulting in a warning being logged. (Pull #1439)
+
+* Move urllib3 to src/urllib3 (Pull #1409)
+
+
+1.23 (2018-06-04)
+-----------------
+
+* Allow providing a list of headers to strip from requests when redirecting
+  to a different host. Defaults to the ``Authorization`` header. Different
+  headers can be set via ``Retry.remove_headers_on_redirect``. (Issue #1316)
+
+* Fix ``util.selectors._fileobj_to_fd`` to accept ``long`` (Issue #1247).
+
+* Dropped Python 3.3 support. (Pull #1242)
+
+* Put the connection back in the pool when calling stream() or read_chunked() on
+  a chunked HEAD response. (Issue #1234)
+
+* Fixed pyOpenSSL-specific ssl client authentication issue when clients
+  attempted to auth via certificate + chain (Issue #1060)
+
+* Add the port to the connectionpool connect print (Pull #1251)
+
+* Don't use the ``uuid`` module to create multipart data boundaries. (Pull #1380)
+
+* ``read_chunked()`` on a closed response returns no chunks. (Issue #1088)
+
+* Add Python 2.6 support to ``contrib.securetransport`` (Pull #1359)
+
+* Added support for auth info in url for SOCKS proxy (Pull #1363)
+
+
+1.22 (2017-07-20)
+-----------------
+
+* Fixed missing brackets in ``HTTP CONNECT`` when connecting to IPv6 address via
+  IPv6 proxy. (Issue #1222)
+
+* Made the connection pool retry on ``SSLError``.  The original ``SSLError``
+  is available on ``MaxRetryError.reason``. (Issue #1112)
+
+* Drain and release connection before recursing on retry/redirect.  Fixes
+  deadlocks with a blocking connectionpool. (Issue #1167)
+
+* Fixed compatibility for cookiejar. (Issue #1229)
+
+* pyopenssl: Use vendored version of ``six``. (Issue #1231)
+
+
+1.21.1 (2017-05-02)
+-------------------
+
+* Fixed SecureTransport issue that would cause long delays in response body
+  delivery. (Pull #1154)
+
+* Fixed regression in 1.21 that threw exceptions when users passed the
+  ``socket_options`` flag to the ``PoolManager``.  (Issue #1165)
+
+* Fixed regression in 1.21 that threw exceptions when users passed the
+  ``assert_hostname`` or ``assert_fingerprint`` flag to the ``PoolManager``.
+  (Pull #1157)
+
+
+1.21 (2017-04-25)
+-----------------
+
+* Improved performance of certain selector system calls on Python 3.5 and
+  later. (Pull #1095)
+
+* Resolved issue where the PyOpenSSL backend would not wrap SysCallError
+  exceptions appropriately when sending data. (Pull #1125)
+
+* Selectors now detects a monkey-patched select module after import for modules
+  that patch the select module like eventlet, greenlet. (Pull #1128)
+
+* Reduced memory consumption when streaming zlib-compressed responses
+  (as opposed to raw deflate streams). (Pull #1129)
+
+* Connection pools now use the entire request context when constructing the
+  pool key. (Pull #1016)
+
+* ``PoolManager.connection_from_*`` methods now accept a new keyword argument,
+  ``pool_kwargs``, which are merged with the existing ``connection_pool_kw``.
+  (Pull #1016)
+
+* Add retry counter for ``status_forcelist``. (Issue #1147)
+
+* Added ``contrib`` module for using SecureTransport on macOS:
+  ``urllib3.contrib.securetransport``.  (Pull #1122)
+
+* urllib3 now only normalizes the case of ``http://`` and ``https://`` schemes:
+  for schemes it does not recognise, it assumes they are case-sensitive and
+  leaves them unchanged.
+  (Issue #1080)
+
+
+1.20 (2017-01-19)
+-----------------
+
+* Added support for waiting for I/O using selectors other than select,
+  improving urllib3's behaviour with large numbers of concurrent connections.
+  (Pull #1001)
+
+* Updated the date for the system clock check. (Issue #1005)
+
+* ConnectionPools now correctly consider hostnames to be case-insensitive.
+  (Issue #1032)
+
+* Outdated versions of PyOpenSSL now cause the PyOpenSSL contrib module
+  to fail when it is injected, rather than at first use. (Pull #1063)
+
+* Outdated versions of cryptography now cause the PyOpenSSL contrib module
+  to fail when it is injected, rather than at first use. (Issue #1044)
+
+* Automatically attempt to rewind a file-like body object when a request is
+  retried or redirected. (Pull #1039)
+
+* Fix some bugs that occur when modules incautiously patch the queue module.
+  (Pull #1061)
+
+* Prevent retries from occurring on read timeouts for which the request method
+  was not in the method whitelist. (Issue #1059)
+
+* Changed the PyOpenSSL contrib module to lazily load idna to avoid
+  unnecessarily bloating the memory of programs that don't need it. (Pull
+  #1076)
+
+* Add support for IPv6 literals with zone identifiers. (Pull #1013)
+
+* Added support for socks5h:// and socks4a:// schemes when working with SOCKS
+  proxies, and controlled remote DNS appropriately. (Issue #1035)
+
+
+1.19.1 (2016-11-16)
+-------------------
+
+* Fixed AppEngine import that didn't function on Python 3.5. (Pull #1025)
+
+
+1.19 (2016-11-03)
+-----------------
+
+* urllib3 now respects Retry-After headers on 413, 429, and 503 responses when
+  using the default retry logic. (Pull #955)
+
+* Remove markers from setup.py to assist ancient setuptools versions. (Issue
+  #986)
+
+* Disallow superscripts and other integerish things in URL ports. (Issue #989)
+
+* Allow urllib3's HTTPResponse.stream() method to continue to work with
+  non-httplib underlying FPs. (Pull #990)
+
+* Empty filenames in multipart headers are now emitted as such, rather than
+  being suppressed. (Issue #1015)
+
+* Prefer user-supplied Host headers on chunked uploads. (Issue #1009)
+
+
+1.18.1 (2016-10-27)
+-------------------
+
+* CVE-2016-9015. Users who are using urllib3 version 1.17 or 1.18 along with
+  PyOpenSSL injection and OpenSSL 1.1.0 *must* upgrade to this version. This
+  release fixes a vulnerability whereby urllib3 in the above configuration
+  would silently fail to validate TLS certificates due to erroneously setting
+  invalid flags in OpenSSL's ``SSL_CTX_set_verify`` function. These erroneous
+  flags do not cause a problem in OpenSSL versions before 1.1.0, which
+  interprets the presence of any flag as requesting certificate validation.
+
+  There is no PR for this patch, as it was prepared for simultaneous disclosure
+  and release. The master branch received the same fix in PR #1010.
+
+
+1.18 (2016-09-26)
+-----------------
+
+* Fixed incorrect message for IncompleteRead exception. (PR #973)
+
+* Accept ``iPAddress`` subject alternative name fields in TLS certificates.
+  (Issue #258)
+
+* Fixed consistency of ``HTTPResponse.closed`` between Python 2 and 3.
+  (Issue #977)
+
+* Fixed handling of wildcard certificates when using PyOpenSSL. (Issue #979)
+
+
+1.17 (2016-09-06)
+-----------------
+
+* Accept ``SSLContext`` objects for use in SSL/TLS negotiation. (Issue #835)
+
+* ConnectionPool debug log now includes scheme, host, and port. (Issue #897)
+
+* Substantially refactored documentation. (Issue #887)
+
+* Used URLFetch default timeout on AppEngine, rather than hardcoding our own.
+  (Issue #858)
+
+* Normalize the scheme and host in the URL parser (Issue #833)
+
+* ``HTTPResponse`` contains the last ``Retry`` object, which now also
+  contains retries history. (Issue #848)
+
+* Timeout can no longer be set as boolean, and must be greater than zero.
+  (PR #924)
+
+* Removed pyasn1 and ndg-httpsclient from dependencies used for PyOpenSSL. We
+  now use cryptography and idna, both of which are already dependencies of
+  PyOpenSSL. (PR #930)
+
+* Fixed infinite loop in ``stream`` when amt=None. (Issue #928)
+
+* Try to use the operating system's certificates when we are using an
+  ``SSLContext``. (PR #941)
+
+* Updated cipher suite list to allow ChaCha20+Poly1305. AES-GCM is preferred to
+  ChaCha20, but ChaCha20 is then preferred to everything else. (PR #947)
+
+* Updated cipher suite list to remove 3DES-based cipher suites. (PR #958)
+
+* Removed the cipher suite fallback to allow HIGH ciphers. (PR #958)
+
+* Implemented ``length_remaining`` to determine remaining content
+  to be read. (PR #949)
+
+* Implemented ``enforce_content_length`` to enable exceptions when
+  incomplete data chunks are received. (PR #949)
+
+* Dropped connection start, dropped connection reset, redirect, forced retry,
+  and new HTTPS connection log levels to DEBUG, from INFO. (PR #967)
+
+
+1.16 (2016-06-11)
+-----------------
+
+* Disable IPv6 DNS when IPv6 connections are not possible. (Issue #840)
+
+* Provide ``key_fn_by_scheme`` pool keying mechanism that can be
+  overridden. (Issue #830)
+
+* Normalize scheme and host to lowercase for pool keys, and include
+  ``source_address``. (Issue #830)
+
+* Cleaner exception chain in Python 3 for ``_make_request``.
+  (Issue #861)
+
+* Fixed installing ``urllib3[socks]`` extra. (Issue #864)
+
+* Fixed signature of ``ConnectionPool.close`` so it can actually safely be
+  called by subclasses. (Issue #873)
+
+* Retain ``release_conn`` state across retries. (Issues #651, #866)
+
+* Add customizable ``HTTPConnectionPool.ResponseCls``, which defaults to
+  ``HTTPResponse`` but can be replaced with a subclass. (Issue #879)
+
+
+1.15.1 (2016-04-11)
+-------------------
+
+* Fix packaging to include backports module. (Issue #841)
+
+
+1.15 (2016-04-06)
+-----------------
+
+* Added Retry(raise_on_status=False). (Issue #720)
+
+* Always use setuptools, no more distutils fallback. (Issue #785)
+
+* Dropped support for Python 3.2. (Issue #786)
+
+* Chunked transfer encoding when requesting with ``chunked=True``.
+  (Issue #790)
+
+* Fixed regression with IPv6 port parsing. (Issue #801)
+
+* Append SNIMissingWarning messages to allow users to specify it in
+  the PYTHONWARNINGS environment variable. (Issue #816)
+
+* Handle unicode headers in Py2. (Issue #818)
+
+* Log certificate when there is a hostname mismatch. (Issue #820)
+
+* Preserve order of request/response headers. (Issue #821)
+
+
+1.14 (2015-12-29)
+-----------------
+
+* contrib: SOCKS proxy support! (Issue #762)
+
+* Fixed AppEngine handling of transfer-encoding header and bug
+  in Timeout defaults checking. (Issue #763)
+
+
+1.13.1 (2015-12-18)
+-------------------
+
+* Fixed regression in IPv6 + SSL for match_hostname. (Issue #761)
+
+
+1.13 (2015-12-14)
+-----------------
+
+* Fixed ``pip install urllib3[secure]`` on modern pip. (Issue #706)
+
+* pyopenssl: Fixed SSL3_WRITE_PENDING error. (Issue #717)
+
+* pyopenssl: Support for TLSv1.1 and TLSv1.2. (Issue #696)
+
+* Close connections more defensively on exception. (Issue #734)
+
+* Adjusted ``read_chunked`` to handle gzipped, chunk-encoded bodies without
+  repeatedly flushing the decoder, to function better on Jython. (Issue #743)
+
+* Accept ``ca_cert_dir`` for SSL-related PoolManager configuration. (Issue #758)
+
+
+1.12 (2015-09-03)
+-----------------
+
+* Rely on ``six`` for importing ``httplib`` to work around
+  conflicts with other Python 3 shims. (Issue #688)
+
+* Add support for directories of certificate authorities, as supported by
+  OpenSSL. (Issue #701)
+
+* New exception: ``NewConnectionError``, raised when we fail to establish
+  a new connection, usually ``ECONNREFUSED`` socket error.
+
+
+1.11 (2015-07-21)
+-----------------
+
+* When ``ca_certs`` is given, ``cert_reqs`` defaults to
+  ``'CERT_REQUIRED'``. (Issue #650)
+
+* ``pip install urllib3[secure]`` will install Certifi and
+  PyOpenSSL as dependencies. (Issue #678)
+
+* Made ``HTTPHeaderDict`` usable as a ``headers`` input value
+  (Issues #632, #679)
+
+* Added `urllib3.contrib.appengine `_
+  which has an ``AppEngineManager`` for using ``URLFetch`` in a
+  Google AppEngine environment. (Issue #664)
+
+* Dev: Added test suite for AppEngine. (Issue #631)
+
+* Fix performance regression when using PyOpenSSL. (Issue #626)
+
+* Passing incorrect scheme (e.g. ``foo://``) will raise
+  ``ValueError`` instead of ``AssertionError`` (backwards
+  compatible for now, but please migrate). (Issue #640)
+
+* Fix pools not getting replenished when an error occurs during a
+  request using ``release_conn=False``. (Issue #644)
+
+* Fix pool-default headers not applying for url-encoded requests
+  like GET. (Issue #657)
+
+* log.warning in Python 3 when headers are skipped due to parsing
+  errors. (Issue #642)
+
+* Close and discard connections if an error occurs during read.
+  (Issue #660)
+
+* Fix host parsing for IPv6 proxies. (Issue #668)
+
+* Separate warning type SubjectAltNameWarning, now issued once
+  per host. (Issue #671)
+
+* Fix ``httplib.IncompleteRead`` not getting converted to
+  ``ProtocolError`` when using ``HTTPResponse.stream()``
+  (Issue #674)
+
+1.10.4 (2015-05-03)
+-------------------
+
+* Migrate tests to Tornado 4. (Issue #594)
+
+* Append default warning configuration rather than overwrite.
+  (Issue #603)
+
+* Fix streaming decoding regression. (Issue #595)
+
+* Fix chunked requests losing state across keep-alive connections.
+  (Issue #599)
+
+* Fix hanging when chunked HEAD response has no body. (Issue #605)
+
+
+1.10.3 (2015-04-21)
+-------------------
+
+* Emit ``InsecurePlatformWarning`` when SSLContext object is missing.
+  (Issue #558)
+
+* Fix regression of duplicate header keys being discarded.
+  (Issue #563)
+
+* ``Response.stream()`` returns a generator for chunked responses.
+  (Issue #560)
+
+* Set upper-bound timeout when waiting for a socket in PyOpenSSL.
+  (Issue #585)
+
+* Work on platforms without `ssl` module for plain HTTP requests.
+  (Issue #587)
+
+* Stop relying on the stdlib's default cipher list. (Issue #588)
+
+
+1.10.2 (2015-02-25)
+-------------------
+
+* Fix file descriptor leakage on retries. (Issue #548)
+
+* Removed RC4 from default cipher list. (Issue #551)
+
+* Header performance improvements. (Issue #544)
+
+* Fix PoolManager not obeying redirect retry settings. (Issue #553)
+
+
+1.10.1 (2015-02-10)
+-------------------
+
+* Pools can be used as context managers. (Issue #545)
+
+* Don't re-use connections which experienced an SSLError. (Issue #529)
+
+* Don't fail when gzip decoding an empty stream. (Issue #535)
+
+* Add sha256 support for fingerprint verification. (Issue #540)
+
+* Fixed handling of header values containing commas. (Issue #533)
+
+
+1.10 (2014-12-14)
+-----------------
+
+* Disabled SSLv3. (Issue #473)
+
+* Add ``Url.url`` property to return the composed url string. (Issue #394)
+
+* Fixed PyOpenSSL + gevent ``WantWriteError``. (Issue #412)
+
+* ``MaxRetryError.reason`` will always be an exception, not string.
+  (Issue #481)
+
+* Fixed SSL-related timeouts not being detected as timeouts. (Issue #492)
+
+* Py3: Use ``ssl.create_default_context()`` when available. (Issue #473)
+
+* Emit ``InsecureRequestWarning`` for *every* insecure HTTPS request.
+  (Issue #496)
+
+* Emit ``SecurityWarning`` when certificate has no ``subjectAltName``.
+  (Issue #499)
+
+* Close and discard sockets which experienced SSL-related errors.
+  (Issue #501)
+
+* Handle ``body`` param in ``.request(...)``. (Issue #513)
+
+* Respect timeout with HTTPS proxy. (Issue #505)
+
+* PyOpenSSL: Handle ZeroReturnError exception. (Issue #520)
+
+
+1.9.1 (2014-09-13)
+------------------
+
+* Apply socket arguments before binding. (Issue #427)
+
+* More careful checks if fp-like object is closed. (Issue #435)
+
+* Fixed packaging issues of some development-related files not
+  getting included. (Issue #440)
+
+* Allow performing *only* fingerprint verification. (Issue #444)
+
+* Emit ``SecurityWarning`` if system clock is waaay off. (Issue #445)
+
+* Fixed PyOpenSSL compatibility with PyPy. (Issue #450)
+
+* Fixed ``BrokenPipeError`` and ``ConnectionError`` handling in Py3.
+  (Issue #443)
+
+
+
+1.9 (2014-07-04)
+----------------
+
+* Shuffled around development-related files. If you're maintaining a distro
+  package of urllib3, you may need to tweak things. (Issue #415)
+
+* Unverified HTTPS requests will trigger a warning on the first request. See
+  our new `security documentation
+  `_ for details.
+  (Issue #426)
+
+* New retry logic and ``urllib3.util.retry.Retry`` configuration object.
+  (Issue #326)
+
+* All raised exceptions should now wrapped in a
+  ``urllib3.exceptions.HTTPException``-extending exception. (Issue #326)
+
+* All errors during a retry-enabled request should be wrapped in
+  ``urllib3.exceptions.MaxRetryError``, including timeout-related exceptions
+  which were previously exempt. Underlying error is accessible from the
+  ``.reason`` property. (Issue #326)
+
+* ``urllib3.exceptions.ConnectionError`` renamed to
+  ``urllib3.exceptions.ProtocolError``. (Issue #326)
+
+* Errors during response read (such as IncompleteRead) are now wrapped in
+  ``urllib3.exceptions.ProtocolError``. (Issue #418)
+
+* Requesting an empty host will raise ``urllib3.exceptions.LocationValueError``.
+  (Issue #417)
+
+* Catch read timeouts over SSL connections as
+  ``urllib3.exceptions.ReadTimeoutError``. (Issue #419)
+
+* Apply socket arguments before connecting. (Issue #427)
+
+
+1.8.3 (2014-06-23)
+------------------
+
+* Fix TLS verification when using a proxy in Python 3.4.1. (Issue #385)
+
+* Add ``disable_cache`` option to ``urllib3.util.make_headers``. (Issue #393)
+
+* Wrap ``socket.timeout`` exception with
+  ``urllib3.exceptions.ReadTimeoutError``. (Issue #399)
+
+* Fixed proxy-related bug where connections were being reused incorrectly.
+  (Issues #366, #369)
+
+* Added ``socket_options`` keyword parameter which allows to define
+  ``setsockopt`` configuration of new sockets. (Issue #397)
+
+* Removed ``HTTPConnection.tcp_nodelay`` in favor of
+  ``HTTPConnection.default_socket_options``. (Issue #397)
+
+* Fixed ``TypeError`` bug in Python 2.6.4. (Issue #411)
+
+
+1.8.2 (2014-04-17)
+------------------
+
+* Fix ``urllib3.util`` not being included in the package.
+
+
+1.8.1 (2014-04-17)
+------------------
+
+* Fix AppEngine bug of HTTPS requests going out as HTTP. (Issue #356)
+
+* Don't install ``dummyserver`` into ``site-packages`` as it's only needed
+  for the test suite. (Issue #362)
+
+* Added support for specifying ``source_address``. (Issue #352)
+
+
+1.8 (2014-03-04)
+----------------
+
+* Improved url parsing in ``urllib3.util.parse_url`` (properly parse '@' in
+  username, and blank ports like 'hostname:').
+
+* New ``urllib3.connection`` module which contains all the HTTPConnection
+  objects.
+
+* Several ``urllib3.util.Timeout``-related fixes. Also changed constructor
+  signature to a more sensible order. [Backwards incompatible]
+  (Issues #252, #262, #263)
+
+* Use ``backports.ssl_match_hostname`` if it's installed. (Issue #274)
+
+* Added ``.tell()`` method to ``urllib3.response.HTTPResponse`` which
+  returns the number of bytes read so far. (Issue #277)
+
+* Support for platforms without threading. (Issue #289)
+
+* Expand default-port comparison in ``HTTPConnectionPool.is_same_host``
+  to allow a pool with no specified port to be considered equal to to an
+  HTTP/HTTPS url with port 80/443 explicitly provided. (Issue #305)
+
+* Improved default SSL/TLS settings to avoid vulnerabilities.
+  (Issue #309)
+
+* Fixed ``urllib3.poolmanager.ProxyManager`` not retrying on connect errors.
+  (Issue #310)
+
+* Disable Nagle's Algorithm on the socket for non-proxies. A subset of requests
+  will send the entire HTTP request ~200 milliseconds faster; however, some of
+  the resulting TCP packets will be smaller. (Issue #254)
+
+* Increased maximum number of SubjectAltNames in ``urllib3.contrib.pyopenssl``
+  from the default 64 to 1024 in a single certificate. (Issue #318)
+
+* Headers are now passed and stored as a custom
+  ``urllib3.collections_.HTTPHeaderDict`` object rather than a plain ``dict``.
+  (Issue #329, #333)
+
+* Headers no longer lose their case on Python 3. (Issue #236)
+
+* ``urllib3.contrib.pyopenssl`` now uses the operating system's default CA
+  certificates on inject. (Issue #332)
+
+* Requests with ``retries=False`` will immediately raise any exceptions without
+  wrapping them in ``MaxRetryError``. (Issue #348)
+
+* Fixed open socket leak with SSL-related failures. (Issue #344, #348)
+
+
+1.7.1 (2013-09-25)
+------------------
+
+* Added granular timeout support with new ``urllib3.util.Timeout`` class.
+  (Issue #231)
+
+* Fixed Python 3.4 support. (Issue #238)
+
+
+1.7 (2013-08-14)
+----------------
+
+* More exceptions are now pickle-able, with tests. (Issue #174)
+
+* Fixed redirecting with relative URLs in Location header. (Issue #178)
+
+* Support for relative urls in ``Location: ...`` header. (Issue #179)
+
+* ``urllib3.response.HTTPResponse`` now inherits from ``io.IOBase`` for bonus
+  file-like functionality. (Issue #187)
+
+* Passing ``assert_hostname=False`` when creating a HTTPSConnectionPool will
+  skip hostname verification for SSL connections. (Issue #194)
+
+* New method ``urllib3.response.HTTPResponse.stream(...)`` which acts as a
+  generator wrapped around ``.read(...)``. (Issue #198)
+
+* IPv6 url parsing enforces brackets around the hostname. (Issue #199)
+
+* Fixed thread race condition in
+  ``urllib3.poolmanager.PoolManager.connection_from_host(...)`` (Issue #204)
+
+* ``ProxyManager`` requests now include non-default port in ``Host: ...``
+  header. (Issue #217)
+
+* Added HTTPS proxy support in ``ProxyManager``. (Issue #170 #139)
+
+* New ``RequestField`` object can be passed to the ``fields=...`` param which
+  can specify headers. (Issue #220)
+
+* Raise ``urllib3.exceptions.ProxyError`` when connecting to proxy fails.
+  (Issue #221)
+
+* Use international headers when posting file names. (Issue #119)
+
+* Improved IPv6 support. (Issue #203)
+
+
+1.6 (2013-04-25)
+----------------
+
+* Contrib: Optional SNI support for Py2 using PyOpenSSL. (Issue #156)
+
+* ``ProxyManager`` automatically adds ``Host: ...`` header if not given.
+
+* Improved SSL-related code. ``cert_req`` now optionally takes a string like
+  "REQUIRED" or "NONE". Same with ``ssl_version`` takes strings like "SSLv23"
+  The string values reflect the suffix of the respective constant variable.
+  (Issue #130)
+
+* Vendored ``socksipy`` now based on Anorov's fork which handles unexpectedly
+  closed proxy connections and larger read buffers. (Issue #135)
+
+* Ensure the connection is closed if no data is received, fixes connection leak
+  on some platforms. (Issue #133)
+
+* Added SNI support for SSL/TLS connections on Py32+. (Issue #89)
+
+* Tests fixed to be compatible with Py26 again. (Issue #125)
+
+* Added ability to choose SSL version by passing an ``ssl.PROTOCOL_*`` constant
+  to the ``ssl_version`` parameter of ``HTTPSConnectionPool``. (Issue #109)
+
+* Allow an explicit content type to be specified when encoding file fields.
+  (Issue #126)
+
+* Exceptions are now pickleable, with tests. (Issue #101)
+
+* Fixed default headers not getting passed in some cases. (Issue #99)
+
+* Treat "content-encoding" header value as case-insensitive, per RFC 2616
+  Section 3.5. (Issue #110)
+
+* "Connection Refused" SocketErrors will get retried rather than raised.
+  (Issue #92)
+
+* Updated vendored ``six``, no longer overrides the global ``six`` module
+  namespace. (Issue #113)
+
+* ``urllib3.exceptions.MaxRetryError`` contains a ``reason`` property holding
+  the exception that prompted the final retry. If ``reason is None`` then it
+  was due to a redirect. (Issue #92, #114)
+
+* Fixed ``PoolManager.urlopen()`` from not redirecting more than once.
+  (Issue #149)
+
+* Don't assume ``Content-Type: text/plain`` for multi-part encoding parameters
+  that are not files. (Issue #111)
+
+* Pass `strict` param down to ``httplib.HTTPConnection``. (Issue #122)
+
+* Added mechanism to verify SSL certificates by fingerprint (md5, sha1) or
+  against an arbitrary hostname (when connecting by IP or for misconfigured
+  servers). (Issue #140)
+
+* Streaming decompression support. (Issue #159)
+
+
+1.5 (2012-08-02)
+----------------
+
+* Added ``urllib3.add_stderr_logger()`` for quickly enabling STDERR debug
+  logging in urllib3.
+
+* Native full URL parsing (including auth, path, query, fragment) available in
+  ``urllib3.util.parse_url(url)``.
+
+* Built-in redirect will switch method to 'GET' if status code is 303.
+  (Issue #11)
+
+* ``urllib3.PoolManager`` strips the scheme and host before sending the request
+  uri. (Issue #8)
+
+* New ``urllib3.exceptions.DecodeError`` exception for when automatic decoding,
+  based on the Content-Type header, fails.
+
+* Fixed bug with pool depletion and leaking connections (Issue #76). Added
+  explicit connection closing on pool eviction. Added
+  ``urllib3.PoolManager.clear()``.
+
+* 99% -> 100% unit test coverage.
+
+
+1.4 (2012-06-16)
+----------------
+
+* Minor AppEngine-related fixes.
+
+* Switched from ``mimetools.choose_boundary`` to ``uuid.uuid4()``.
+
+* Improved url parsing. (Issue #73)
+
+* IPv6 url support. (Issue #72)
+
+
+1.3 (2012-03-25)
+----------------
+
+* Removed pre-1.0 deprecated API.
+
+* Refactored helpers into a ``urllib3.util`` submodule.
+
+* Fixed multipart encoding to support list-of-tuples for keys with multiple
+  values. (Issue #48)
+
+* Fixed multiple Set-Cookie headers in response not getting merged properly in
+  Python 3. (Issue #53)
+
+* AppEngine support with Py27. (Issue #61)
+
+* Minor ``encode_multipart_formdata`` fixes related to Python 3 strings vs
+  bytes.
+
+
+1.2.2 (2012-02-06)
+------------------
+
+* Fixed packaging bug of not shipping ``test-requirements.txt``. (Issue #47)
+
+
+1.2.1 (2012-02-05)
+------------------
+
+* Fixed another bug related to when ``ssl`` module is not available. (Issue #41)
+
+* Location parsing errors now raise ``urllib3.exceptions.LocationParseError``
+  which inherits from ``ValueError``.
+
+
+1.2 (2012-01-29)
+----------------
+
+* Added Python 3 support (tested on 3.2.2)
+
+* Dropped Python 2.5 support (tested on 2.6.7, 2.7.2)
+
+* Use ``select.poll`` instead of ``select.select`` for platforms that support
+  it.
+
+* Use ``Queue.LifoQueue`` instead of ``Queue.Queue`` for more aggressive
+  connection reusing. Configurable by overriding ``ConnectionPool.QueueCls``.
+
+* Fixed ``ImportError`` during install when ``ssl`` module is not available.
+  (Issue #41)
+
+* Fixed ``PoolManager`` redirects between schemes (such as HTTP -> HTTPS) not
+  completing properly. (Issue #28, uncovered by Issue #10 in v1.1)
+
+* Ported ``dummyserver`` to use ``tornado`` instead of ``webob`` +
+  ``eventlet``. Removed extraneous unsupported dummyserver testing backends.
+  Added socket-level tests.
+
+* More tests. Achievement Unlocked: 99% Coverage.
+
+
+1.1 (2012-01-07)
+----------------
+
+* Refactored ``dummyserver`` to its own root namespace module (used for
+  testing).
+
+* Added hostname verification for ``VerifiedHTTPSConnection`` by vendoring in
+  Py32's ``ssl_match_hostname``. (Issue #25)
+
+* Fixed cross-host HTTP redirects when using ``PoolManager``. (Issue #10)
+
+* Fixed ``decode_content`` being ignored when set through ``urlopen``. (Issue
+  #27)
+
+* Fixed timeout-related bugs. (Issues #17, #23)
+
+
+1.0.2 (2011-11-04)
+------------------
+
+* Fixed typo in ``VerifiedHTTPSConnection`` which would only present as a bug if
+  you're using the object manually. (Thanks pyos)
+
+* Made RecentlyUsedContainer (and consequently PoolManager) more thread-safe by
+  wrapping the access log in a mutex. (Thanks @christer)
+
+* Made RecentlyUsedContainer more dict-like (corrected ``__delitem__`` and
+  ``__getitem__`` behaviour), with tests. Shouldn't affect core urllib3 code.
+
+
+1.0.1 (2011-10-10)
+------------------
+
+* Fixed a bug where the same connection would get returned into the pool twice,
+  causing extraneous "HttpConnectionPool is full" log warnings.
+
+
+1.0 (2011-10-08)
+----------------
+
+* Added ``PoolManager`` with LRU expiration of connections (tested and
+  documented).
+* Added ``ProxyManager`` (needs tests, docs, and confirmation that it works
+  with HTTPS proxies).
+* Added optional partial-read support for responses when
+  ``preload_content=False``. You can now make requests and just read the headers
+  without loading the content.
+* Made response decoding optional (default on, same as before).
+* Added optional explicit boundary string for ``encode_multipart_formdata``.
+* Convenience request methods are now inherited from ``RequestMethods``. Old
+  helpers like ``get_url`` and ``post_url`` should be abandoned in favour of
+  the new ``request(method, url, ...)``.
+* Refactored code to be even more decoupled, reusable, and extendable.
+* License header added to ``.py`` files.
+* Embiggened the documentation: Lots of Sphinx-friendly docstrings in the code
+  and docs in ``docs/`` and on https://urllib3.readthedocs.io/.
+* Embettered all the things!
+* Started writing this file.
+
+
+0.4.1 (2011-07-17)
+------------------
+
+* Minor bug fixes, code cleanup.
+
+
+0.4 (2011-03-01)
+----------------
+
+* Better unicode support.
+* Added ``VerifiedHTTPSConnection``.
+* Added ``NTLMConnectionPool`` in contrib.
+* Minor improvements.
+
+
+0.3.1 (2010-07-13)
+------------------
+
+* Added ``assert_host_name`` optional parameter. Now compatible with proxies.
+
+
+0.3 (2009-12-10)
+----------------
+
+* Added HTTPS support.
+* Minor bug fixes.
+* Refactored, broken backwards compatibility with 0.2.
+* API to be treated as stable from this version forward.
+
+
+0.2 (2008-11-17)
+----------------
+
+* Added unit tests.
+* Bug fixes.
+
+
+0.1 (2008-11-16)
+----------------
+
+* First release.
+
+
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new file mode 100644
index 0000000..4fb24fc
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+urllib3/contrib/pyopenssl.py,sha256=Lp95UgpAQsI5-zTGy42-oxU_2n6XyneC7gNHw3qx0Cw,16423
+urllib3/contrib/securetransport.py,sha256=iKzVUAxKnChsADR5YMwc05oEixXDzAk0xPU0g-rc2z8,32275
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+urllib3/exceptions.py,sha256=P3e-p9_LScyIxX7FoR3wU0A6hZmDqFAVCz2wgI3D0lM,6607
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+urllib3/filepost.py,sha256=vj0qbrpT1AFzvvW4SuC8M5kJiw7wftHcSr-7b8UpPpw,2440
+urllib3/packages/__init__.py,sha256=h4BLhD4tLaBx1adaDtKXfupsgqY0wWLXb_f1_yVlV6A,108
+urllib3/packages/__pycache__/__init__.cpython-37.pyc,,
+urllib3/packages/__pycache__/six.cpython-37.pyc,,
+urllib3/packages/backports/__init__.py,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
+urllib3/packages/backports/__pycache__/__init__.cpython-37.pyc,,
+urllib3/packages/backports/__pycache__/makefile.cpython-37.pyc,,
+urllib3/packages/backports/makefile.py,sha256=005wrvH-_pWSnTFqQ2sdzzh4zVCtQUUQ4mR2Yyxwc0A,1418
+urllib3/packages/six.py,sha256=adx4z-eM_D0Vvu0IIqVzFACQ_ux9l64y7DkSEfbxCDs,32536
+urllib3/packages/ssl_match_hostname/__init__.py,sha256=ywgKMtfHi1-DrXlzPfVAhzsLzzqcK7GT6eLgdode1Fg,688
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+urllib3/poolmanager.py,sha256=JYUyBUN3IiEknUdjZ7VJrpCQr6SP7vi0WwSndrn8XpE,17053
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diff --git a/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/WHEEL b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/WHEEL
new file mode 100644
index 0000000..8b701e9
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/WHEEL
@@ -0,0 +1,6 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.33.6)
+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+
diff --git a/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/top_level.txt
new file mode 100644
index 0000000..a42590b
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3-1.25.7.dist-info/top_level.txt
@@ -0,0 +1 @@
+urllib3
diff --git a/venv/lib/python3.7/site-packages/urllib3/__init__.py b/venv/lib/python3.7/site-packages/urllib3/__init__.py
new file mode 100644
index 0000000..96474d3
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/__init__.py
@@ -0,0 +1,86 @@
+"""
+urllib3 - Thread-safe connection pooling and re-using.
+"""
+from __future__ import absolute_import
+import warnings
+
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, connection_from_url
+
+from . import exceptions
+from .filepost import encode_multipart_formdata
+from .poolmanager import PoolManager, ProxyManager, proxy_from_url
+from .response import HTTPResponse
+from .util.request import make_headers
+from .util.url import get_host
+from .util.timeout import Timeout
+from .util.retry import Retry
+
+
+# Set default logging handler to avoid "No handler found" warnings.
+import logging
+from logging import NullHandler
+
+__author__ = "Andrey Petrov (andrey.petrov@shazow.net)"
+__license__ = "MIT"
+__version__ = "1.25.7"
+
+__all__ = (
+    "HTTPConnectionPool",
+    "HTTPSConnectionPool",
+    "PoolManager",
+    "ProxyManager",
+    "HTTPResponse",
+    "Retry",
+    "Timeout",
+    "add_stderr_logger",
+    "connection_from_url",
+    "disable_warnings",
+    "encode_multipart_formdata",
+    "get_host",
+    "make_headers",
+    "proxy_from_url",
+)
+
+logging.getLogger(__name__).addHandler(NullHandler())
+
+
+def add_stderr_logger(level=logging.DEBUG):
+    """
+    Helper for quickly adding a StreamHandler to the logger. Useful for
+    debugging.
+
+    Returns the handler after adding it.
+    """
+    # This method needs to be in this __init__.py to get the __name__ correct
+    # even if urllib3 is vendored within another package.
+    logger = logging.getLogger(__name__)
+    handler = logging.StreamHandler()
+    handler.setFormatter(logging.Formatter("%(asctime)s %(levelname)s %(message)s"))
+    logger.addHandler(handler)
+    logger.setLevel(level)
+    logger.debug("Added a stderr logging handler to logger: %s", __name__)
+    return handler
+
+
+# ... Clean up.
+del NullHandler
+
+
+# All warning filters *must* be appended unless you're really certain that they
+# shouldn't be: otherwise, it's very hard for users to use most Python
+# mechanisms to silence them.
+# SecurityWarning's always go off by default.
+warnings.simplefilter("always", exceptions.SecurityWarning, append=True)
+# SubjectAltNameWarning's should go off once per host
+warnings.simplefilter("default", exceptions.SubjectAltNameWarning, append=True)
+# InsecurePlatformWarning's don't vary between requests, so we keep it default.
+warnings.simplefilter("default", exceptions.InsecurePlatformWarning, append=True)
+# SNIMissingWarnings should go off only once.
+warnings.simplefilter("default", exceptions.SNIMissingWarning, append=True)
+
+
+def disable_warnings(category=exceptions.HTTPWarning):
+    """
+    Helper for quickly disabling all urllib3 warnings.
+    """
+    warnings.simplefilter("ignore", category)
diff --git a/venv/lib/python3.7/site-packages/urllib3/_collections.py b/venv/lib/python3.7/site-packages/urllib3/_collections.py
new file mode 100644
index 0000000..019d151
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/_collections.py
@@ -0,0 +1,336 @@
+from __future__ import absolute_import
+
+try:
+    from collections.abc import Mapping, MutableMapping
+except ImportError:
+    from collections import Mapping, MutableMapping
+try:
+    from threading import RLock
+except ImportError:  # Platform-specific: No threads available
+
+    class RLock:
+        def __enter__(self):
+            pass
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            pass
+
+
+from collections import OrderedDict
+from .exceptions import InvalidHeader
+from .packages.six import iterkeys, itervalues, PY3
+
+
+__all__ = ["RecentlyUsedContainer", "HTTPHeaderDict"]
+
+
+_Null = object()
+
+
+class RecentlyUsedContainer(MutableMapping):
+    """
+    Provides a thread-safe dict-like container which maintains up to
+    ``maxsize`` keys while throwing away the least-recently-used keys beyond
+    ``maxsize``.
+
+    :param maxsize:
+        Maximum number of recent elements to retain.
+
+    :param dispose_func:
+        Every time an item is evicted from the container,
+        ``dispose_func(value)`` is called.  Callback which will get called
+    """
+
+    ContainerCls = OrderedDict
+
+    def __init__(self, maxsize=10, dispose_func=None):
+        self._maxsize = maxsize
+        self.dispose_func = dispose_func
+
+        self._container = self.ContainerCls()
+        self.lock = RLock()
+
+    def __getitem__(self, key):
+        # Re-insert the item, moving it to the end of the eviction line.
+        with self.lock:
+            item = self._container.pop(key)
+            self._container[key] = item
+            return item
+
+    def __setitem__(self, key, value):
+        evicted_value = _Null
+        with self.lock:
+            # Possibly evict the existing value of 'key'
+            evicted_value = self._container.get(key, _Null)
+            self._container[key] = value
+
+            # If we didn't evict an existing value, we might have to evict the
+            # least recently used item from the beginning of the container.
+            if len(self._container) > self._maxsize:
+                _key, evicted_value = self._container.popitem(last=False)
+
+        if self.dispose_func and evicted_value is not _Null:
+            self.dispose_func(evicted_value)
+
+    def __delitem__(self, key):
+        with self.lock:
+            value = self._container.pop(key)
+
+        if self.dispose_func:
+            self.dispose_func(value)
+
+    def __len__(self):
+        with self.lock:
+            return len(self._container)
+
+    def __iter__(self):
+        raise NotImplementedError(
+            "Iteration over this class is unlikely to be threadsafe."
+        )
+
+    def clear(self):
+        with self.lock:
+            # Copy pointers to all values, then wipe the mapping
+            values = list(itervalues(self._container))
+            self._container.clear()
+
+        if self.dispose_func:
+            for value in values:
+                self.dispose_func(value)
+
+    def keys(self):
+        with self.lock:
+            return list(iterkeys(self._container))
+
+
+class HTTPHeaderDict(MutableMapping):
+    """
+    :param headers:
+        An iterable of field-value pairs. Must not contain multiple field names
+        when compared case-insensitively.
+
+    :param kwargs:
+        Additional field-value pairs to pass in to ``dict.update``.
+
+    A ``dict`` like container for storing HTTP Headers.
+
+    Field names are stored and compared case-insensitively in compliance with
+    RFC 7230. Iteration provides the first case-sensitive key seen for each
+    case-insensitive pair.
+
+    Using ``__setitem__`` syntax overwrites fields that compare equal
+    case-insensitively in order to maintain ``dict``'s api. For fields that
+    compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add``
+    in a loop.
+
+    If multiple fields that are equal case-insensitively are passed to the
+    constructor or ``.update``, the behavior is undefined and some will be
+    lost.
+
+    >>> headers = HTTPHeaderDict()
+    >>> headers.add('Set-Cookie', 'foo=bar')
+    >>> headers.add('set-cookie', 'baz=quxx')
+    >>> headers['content-length'] = '7'
+    >>> headers['SET-cookie']
+    'foo=bar, baz=quxx'
+    >>> headers['Content-Length']
+    '7'
+    """
+
+    def __init__(self, headers=None, **kwargs):
+        super(HTTPHeaderDict, self).__init__()
+        self._container = OrderedDict()
+        if headers is not None:
+            if isinstance(headers, HTTPHeaderDict):
+                self._copy_from(headers)
+            else:
+                self.extend(headers)
+        if kwargs:
+            self.extend(kwargs)
+
+    def __setitem__(self, key, val):
+        self._container[key.lower()] = [key, val]
+        return self._container[key.lower()]
+
+    def __getitem__(self, key):
+        val = self._container[key.lower()]
+        return ", ".join(val[1:])
+
+    def __delitem__(self, key):
+        del self._container[key.lower()]
+
+    def __contains__(self, key):
+        return key.lower() in self._container
+
+    def __eq__(self, other):
+        if not isinstance(other, Mapping) and not hasattr(other, "keys"):
+            return False
+        if not isinstance(other, type(self)):
+            other = type(self)(other)
+        return dict((k.lower(), v) for k, v in self.itermerged()) == dict(
+            (k.lower(), v) for k, v in other.itermerged()
+        )
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    if not PY3:  # Python 2
+        iterkeys = MutableMapping.iterkeys
+        itervalues = MutableMapping.itervalues
+
+    __marker = object()
+
+    def __len__(self):
+        return len(self._container)
+
+    def __iter__(self):
+        # Only provide the originally cased names
+        for vals in self._container.values():
+            yield vals[0]
+
+    def pop(self, key, default=__marker):
+        """D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+          If key is not found, d is returned if given, otherwise KeyError is raised.
+        """
+        # Using the MutableMapping function directly fails due to the private marker.
+        # Using ordinary dict.pop would expose the internal structures.
+        # So let's reinvent the wheel.
+        try:
+            value = self[key]
+        except KeyError:
+            if default is self.__marker:
+                raise
+            return default
+        else:
+            del self[key]
+            return value
+
+    def discard(self, key):
+        try:
+            del self[key]
+        except KeyError:
+            pass
+
+    def add(self, key, val):
+        """Adds a (name, value) pair, doesn't overwrite the value if it already
+        exists.
+
+        >>> headers = HTTPHeaderDict(foo='bar')
+        >>> headers.add('Foo', 'baz')
+        >>> headers['foo']
+        'bar, baz'
+        """
+        key_lower = key.lower()
+        new_vals = [key, val]
+        # Keep the common case aka no item present as fast as possible
+        vals = self._container.setdefault(key_lower, new_vals)
+        if new_vals is not vals:
+            vals.append(val)
+
+    def extend(self, *args, **kwargs):
+        """Generic import function for any type of header-like object.
+        Adapted version of MutableMapping.update in order to insert items
+        with self.add instead of self.__setitem__
+        """
+        if len(args) > 1:
+            raise TypeError(
+                "extend() takes at most 1 positional "
+                "arguments ({0} given)".format(len(args))
+            )
+        other = args[0] if len(args) >= 1 else ()
+
+        if isinstance(other, HTTPHeaderDict):
+            for key, val in other.iteritems():
+                self.add(key, val)
+        elif isinstance(other, Mapping):
+            for key in other:
+                self.add(key, other[key])
+        elif hasattr(other, "keys"):
+            for key in other.keys():
+                self.add(key, other[key])
+        else:
+            for key, value in other:
+                self.add(key, value)
+
+        for key, value in kwargs.items():
+            self.add(key, value)
+
+    def getlist(self, key, default=__marker):
+        """Returns a list of all the values for the named field. Returns an
+        empty list if the key doesn't exist."""
+        try:
+            vals = self._container[key.lower()]
+        except KeyError:
+            if default is self.__marker:
+                return []
+            return default
+        else:
+            return vals[1:]
+
+    # Backwards compatibility for httplib
+    getheaders = getlist
+    getallmatchingheaders = getlist
+    iget = getlist
+
+    # Backwards compatibility for http.cookiejar
+    get_all = getlist
+
+    def __repr__(self):
+        return "%s(%s)" % (type(self).__name__, dict(self.itermerged()))
+
+    def _copy_from(self, other):
+        for key in other:
+            val = other.getlist(key)
+            if isinstance(val, list):
+                # Don't need to convert tuples
+                val = list(val)
+            self._container[key.lower()] = [key] + val
+
+    def copy(self):
+        clone = type(self)()
+        clone._copy_from(self)
+        return clone
+
+    def iteritems(self):
+        """Iterate over all header lines, including duplicate ones."""
+        for key in self:
+            vals = self._container[key.lower()]
+            for val in vals[1:]:
+                yield vals[0], val
+
+    def itermerged(self):
+        """Iterate over all headers, merging duplicate ones together."""
+        for key in self:
+            val = self._container[key.lower()]
+            yield val[0], ", ".join(val[1:])
+
+    def items(self):
+        return list(self.iteritems())
+
+    @classmethod
+    def from_httplib(cls, message):  # Python 2
+        """Read headers from a Python 2 httplib message object."""
+        # python2.7 does not expose a proper API for exporting multiheaders
+        # efficiently. This function re-reads raw lines from the message
+        # object and extracts the multiheaders properly.
+        obs_fold_continued_leaders = (" ", "\t")
+        headers = []
+
+        for line in message.headers:
+            if line.startswith(obs_fold_continued_leaders):
+                if not headers:
+                    # We received a header line that starts with OWS as described
+                    # in RFC-7230 S3.2.4. This indicates a multiline header, but
+                    # there exists no previous header to which we can attach it.
+                    raise InvalidHeader(
+                        "Header continuation with no previous header: %s" % line
+                    )
+                else:
+                    key, value = headers[-1]
+                    headers[-1] = (key, value + " " + line.strip())
+                    continue
+
+            key, value = line.split(":", 1)
+            headers.append((key, value.strip()))
+
+        return cls(headers)
diff --git a/venv/lib/python3.7/site-packages/urllib3/connection.py b/venv/lib/python3.7/site-packages/urllib3/connection.py
new file mode 100644
index 0000000..f5c946a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/connection.py
@@ -0,0 +1,448 @@
+from __future__ import absolute_import
+import datetime
+import logging
+import os
+import socket
+from socket import error as SocketError, timeout as SocketTimeout
+import warnings
+from .packages import six
+from .packages.six.moves.http_client import HTTPConnection as _HTTPConnection
+from .packages.six.moves.http_client import HTTPException  # noqa: F401
+
+try:  # Compiled with SSL?
+    import ssl
+
+    BaseSSLError = ssl.SSLError
+except (ImportError, AttributeError):  # Platform-specific: No SSL.
+    ssl = None
+
+    class BaseSSLError(BaseException):
+        pass
+
+
+try:
+    # Python 3: not a no-op, we're adding this to the namespace so it can be imported.
+    ConnectionError = ConnectionError
+except NameError:
+    # Python 2
+    class ConnectionError(Exception):
+        pass
+
+
+from .exceptions import (
+    NewConnectionError,
+    ConnectTimeoutError,
+    SubjectAltNameWarning,
+    SystemTimeWarning,
+)
+from .packages.ssl_match_hostname import match_hostname, CertificateError
+
+from .util.ssl_ import (
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    assert_fingerprint,
+    create_urllib3_context,
+    ssl_wrap_socket,
+)
+
+
+from .util import connection
+
+from ._collections import HTTPHeaderDict
+
+log = logging.getLogger(__name__)
+
+port_by_scheme = {"http": 80, "https": 443}
+
+# When it comes time to update this value as a part of regular maintenance
+# (ie test_recent_date is failing) update it to ~6 months before the current date.
+RECENT_DATE = datetime.date(2019, 1, 1)
+
+
+class DummyConnection(object):
+    """Used to detect a failed ConnectionCls import."""
+
+    pass
+
+
+class HTTPConnection(_HTTPConnection, object):
+    """
+    Based on httplib.HTTPConnection but provides an extra constructor
+    backwards-compatibility layer between older and newer Pythons.
+
+    Additional keyword parameters are used to configure attributes of the connection.
+    Accepted parameters include:
+
+      - ``strict``: See the documentation on :class:`urllib3.connectionpool.HTTPConnectionPool`
+      - ``source_address``: Set the source address for the current connection.
+      - ``socket_options``: Set specific options on the underlying socket. If not specified, then
+        defaults are loaded from ``HTTPConnection.default_socket_options`` which includes disabling
+        Nagle's algorithm (sets TCP_NODELAY to 1) unless the connection is behind a proxy.
+
+        For example, if you wish to enable TCP Keep Alive in addition to the defaults,
+        you might pass::
+
+            HTTPConnection.default_socket_options + [
+                (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
+            ]
+
+        Or you may want to disable the defaults by passing an empty list (e.g., ``[]``).
+    """
+
+    default_port = port_by_scheme["http"]
+
+    #: Disable Nagle's algorithm by default.
+    #: ``[(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]``
+    default_socket_options = [(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]
+
+    #: Whether this connection verifies the host's certificate.
+    is_verified = False
+
+    def __init__(self, *args, **kw):
+        if not six.PY2:
+            kw.pop("strict", None)
+
+        # Pre-set source_address.
+        self.source_address = kw.get("source_address")
+
+        #: The socket options provided by the user. If no options are
+        #: provided, we use the default options.
+        self.socket_options = kw.pop("socket_options", self.default_socket_options)
+
+        _HTTPConnection.__init__(self, *args, **kw)
+
+    @property
+    def host(self):
+        """
+        Getter method to remove any trailing dots that indicate the hostname is an FQDN.
+
+        In general, SSL certificates don't include the trailing dot indicating a
+        fully-qualified domain name, and thus, they don't validate properly when
+        checked against a domain name that includes the dot. In addition, some
+        servers may not expect to receive the trailing dot when provided.
+
+        However, the hostname with trailing dot is critical to DNS resolution; doing a
+        lookup with the trailing dot will properly only resolve the appropriate FQDN,
+        whereas a lookup without a trailing dot will search the system's search domain
+        list. Thus, it's important to keep the original host around for use only in
+        those cases where it's appropriate (i.e., when doing DNS lookup to establish the
+        actual TCP connection across which we're going to send HTTP requests).
+        """
+        return self._dns_host.rstrip(".")
+
+    @host.setter
+    def host(self, value):
+        """
+        Setter for the `host` property.
+
+        We assume that only urllib3 uses the _dns_host attribute; httplib itself
+        only uses `host`, and it seems reasonable that other libraries follow suit.
+        """
+        self._dns_host = value
+
+    def _new_conn(self):
+        """ Establish a socket connection and set nodelay settings on it.
+
+        :return: New socket connection.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = connection.create_connection(
+                (self._dns_host, self.port), self.timeout, **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except SocketError as e:
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+    def _prepare_conn(self, conn):
+        self.sock = conn
+        # Google App Engine's httplib does not define _tunnel_host
+        if getattr(self, "_tunnel_host", None):
+            # TODO: Fix tunnel so it doesn't depend on self.sock state.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+    def connect(self):
+        conn = self._new_conn()
+        self._prepare_conn(conn)
+
+    def request_chunked(self, method, url, body=None, headers=None):
+        """
+        Alternative to the common request method, which sends the
+        body with chunked encoding and not as one block
+        """
+        headers = HTTPHeaderDict(headers if headers is not None else {})
+        skip_accept_encoding = "accept-encoding" in headers
+        skip_host = "host" in headers
+        self.putrequest(
+            method, url, skip_accept_encoding=skip_accept_encoding, skip_host=skip_host
+        )
+        for header, value in headers.items():
+            self.putheader(header, value)
+        if "transfer-encoding" not in headers:
+            self.putheader("Transfer-Encoding", "chunked")
+        self.endheaders()
+
+        if body is not None:
+            stringish_types = six.string_types + (bytes,)
+            if isinstance(body, stringish_types):
+                body = (body,)
+            for chunk in body:
+                if not chunk:
+                    continue
+                if not isinstance(chunk, bytes):
+                    chunk = chunk.encode("utf8")
+                len_str = hex(len(chunk))[2:]
+                self.send(len_str.encode("utf-8"))
+                self.send(b"\r\n")
+                self.send(chunk)
+                self.send(b"\r\n")
+
+        # After the if clause, to always have a closed body
+        self.send(b"0\r\n\r\n")
+
+
+class HTTPSConnection(HTTPConnection):
+    default_port = port_by_scheme["https"]
+
+    ssl_version = None
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        key_file=None,
+        cert_file=None,
+        key_password=None,
+        strict=None,
+        timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+        ssl_context=None,
+        server_hostname=None,
+        **kw
+    ):
+
+        HTTPConnection.__init__(self, host, port, strict=strict, timeout=timeout, **kw)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.key_password = key_password
+        self.ssl_context = ssl_context
+        self.server_hostname = server_hostname
+
+        # Required property for Google AppEngine 1.9.0 which otherwise causes
+        # HTTPS requests to go out as HTTP. (See Issue #356)
+        self._protocol = "https"
+
+    def connect(self):
+        conn = self._new_conn()
+        self._prepare_conn(conn)
+
+        # Wrap socket using verification with the root certs in
+        # trusted_root_certs
+        default_ssl_context = False
+        if self.ssl_context is None:
+            default_ssl_context = True
+            self.ssl_context = create_urllib3_context(
+                ssl_version=resolve_ssl_version(self.ssl_version),
+                cert_reqs=resolve_cert_reqs(self.cert_reqs),
+            )
+
+        # Try to load OS default certs if none are given.
+        # Works well on Windows (requires Python3.4+)
+        context = self.ssl_context
+        if (
+            not self.ca_certs
+            and not self.ca_cert_dir
+            and default_ssl_context
+            and hasattr(context, "load_default_certs")
+        ):
+            context.load_default_certs()
+
+        self.sock = ssl_wrap_socket(
+            sock=conn,
+            keyfile=self.key_file,
+            certfile=self.cert_file,
+            key_password=self.key_password,
+            ssl_context=self.ssl_context,
+            server_hostname=self.server_hostname,
+        )
+
+
+class VerifiedHTTPSConnection(HTTPSConnection):
+    """
+    Based on httplib.HTTPSConnection but wraps the socket with
+    SSL certification.
+    """
+
+    cert_reqs = None
+    ca_certs = None
+    ca_cert_dir = None
+    ssl_version = None
+    assert_fingerprint = None
+
+    def set_cert(
+        self,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+    ):
+        """
+        This method should only be called once, before the connection is used.
+        """
+        # If cert_reqs is not provided we'll assume CERT_REQUIRED unless we also
+        # have an SSLContext object in which case we'll use its verify_mode.
+        if cert_reqs is None:
+            if self.ssl_context is not None:
+                cert_reqs = self.ssl_context.verify_mode
+            else:
+                cert_reqs = resolve_cert_reqs(None)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+        self.ca_certs = ca_certs and os.path.expanduser(ca_certs)
+        self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir)
+
+    def connect(self):
+        # Add certificate verification
+        conn = self._new_conn()
+        hostname = self.host
+
+        # Google App Engine's httplib does not define _tunnel_host
+        if getattr(self, "_tunnel_host", None):
+            self.sock = conn
+            # Calls self._set_hostport(), so self.host is
+            # self._tunnel_host below.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+            # Override the host with the one we're requesting data from.
+            hostname = self._tunnel_host
+
+        server_hostname = hostname
+        if self.server_hostname is not None:
+            server_hostname = self.server_hostname
+
+        is_time_off = datetime.date.today() < RECENT_DATE
+        if is_time_off:
+            warnings.warn(
+                (
+                    "System time is way off (before {0}). This will probably "
+                    "lead to SSL verification errors"
+                ).format(RECENT_DATE),
+                SystemTimeWarning,
+            )
+
+        # Wrap socket using verification with the root certs in
+        # trusted_root_certs
+        default_ssl_context = False
+        if self.ssl_context is None:
+            default_ssl_context = True
+            self.ssl_context = create_urllib3_context(
+                ssl_version=resolve_ssl_version(self.ssl_version),
+                cert_reqs=resolve_cert_reqs(self.cert_reqs),
+            )
+
+        context = self.ssl_context
+        context.verify_mode = resolve_cert_reqs(self.cert_reqs)
+
+        # Try to load OS default certs if none are given.
+        # Works well on Windows (requires Python3.4+)
+        if (
+            not self.ca_certs
+            and not self.ca_cert_dir
+            and default_ssl_context
+            and hasattr(context, "load_default_certs")
+        ):
+            context.load_default_certs()
+
+        self.sock = ssl_wrap_socket(
+            sock=conn,
+            keyfile=self.key_file,
+            certfile=self.cert_file,
+            key_password=self.key_password,
+            ca_certs=self.ca_certs,
+            ca_cert_dir=self.ca_cert_dir,
+            server_hostname=server_hostname,
+            ssl_context=context,
+        )
+
+        if self.assert_fingerprint:
+            assert_fingerprint(
+                self.sock.getpeercert(binary_form=True), self.assert_fingerprint
+            )
+        elif (
+            context.verify_mode != ssl.CERT_NONE
+            and not getattr(context, "check_hostname", False)
+            and self.assert_hostname is not False
+        ):
+            # While urllib3 attempts to always turn off hostname matching from
+            # the TLS library, this cannot always be done. So we check whether
+            # the TLS Library still thinks it's matching hostnames.
+            cert = self.sock.getpeercert()
+            if not cert.get("subjectAltName", ()):
+                warnings.warn(
+                    (
+                        "Certificate for {0} has no `subjectAltName`, falling back to check for a "
+                        "`commonName` for now. This feature is being removed by major browsers and "
+                        "deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 "
+                        "for details.)".format(hostname)
+                    ),
+                    SubjectAltNameWarning,
+                )
+            _match_hostname(cert, self.assert_hostname or server_hostname)
+
+        self.is_verified = (
+            context.verify_mode == ssl.CERT_REQUIRED
+            or self.assert_fingerprint is not None
+        )
+
+
+def _match_hostname(cert, asserted_hostname):
+    try:
+        match_hostname(cert, asserted_hostname)
+    except CertificateError as e:
+        log.warning(
+            "Certificate did not match expected hostname: %s. Certificate: %s",
+            asserted_hostname,
+            cert,
+        )
+        # Add cert to exception and reraise so client code can inspect
+        # the cert when catching the exception, if they want to
+        e._peer_cert = cert
+        raise
+
+
+if ssl:
+    # Make a copy for testing.
+    UnverifiedHTTPSConnection = HTTPSConnection
+    HTTPSConnection = VerifiedHTTPSConnection
+else:
+    HTTPSConnection = DummyConnection
diff --git a/venv/lib/python3.7/site-packages/urllib3/connectionpool.py b/venv/lib/python3.7/site-packages/urllib3/connectionpool.py
new file mode 100644
index 0000000..3169646
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/connectionpool.py
@@ -0,0 +1,1051 @@
+from __future__ import absolute_import
+import errno
+import logging
+import sys
+import warnings
+
+from socket import error as SocketError, timeout as SocketTimeout
+import socket
+
+
+from .exceptions import (
+    ClosedPoolError,
+    ProtocolError,
+    EmptyPoolError,
+    HeaderParsingError,
+    HostChangedError,
+    LocationValueError,
+    MaxRetryError,
+    ProxyError,
+    ReadTimeoutError,
+    SSLError,
+    TimeoutError,
+    InsecureRequestWarning,
+    NewConnectionError,
+)
+from .packages.ssl_match_hostname import CertificateError
+from .packages import six
+from .packages.six.moves import queue
+from .connection import (
+    port_by_scheme,
+    DummyConnection,
+    HTTPConnection,
+    HTTPSConnection,
+    VerifiedHTTPSConnection,
+    HTTPException,
+    BaseSSLError,
+)
+from .request import RequestMethods
+from .response import HTTPResponse
+
+from .util.connection import is_connection_dropped
+from .util.request import set_file_position
+from .util.response import assert_header_parsing
+from .util.retry import Retry
+from .util.timeout import Timeout
+from .util.url import (
+    get_host,
+    parse_url,
+    Url,
+    _normalize_host as normalize_host,
+    _encode_target,
+)
+from .util.queue import LifoQueue
+
+
+xrange = six.moves.xrange
+
+log = logging.getLogger(__name__)
+
+_Default = object()
+
+
+# Pool objects
+class ConnectionPool(object):
+    """
+    Base class for all connection pools, such as
+    :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`.
+    """
+
+    scheme = None
+    QueueCls = LifoQueue
+
+    def __init__(self, host, port=None):
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        self.host = _normalize_host(host, scheme=self.scheme)
+        self._proxy_host = host.lower()
+        self.port = port
+
+    def __str__(self):
+        return "%s(host=%r, port=%r)" % (type(self).__name__, self.host, self.port)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        pass
+
+
+# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252
+_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK}
+
+
+class HTTPConnectionPool(ConnectionPool, RequestMethods):
+    """
+    Thread-safe connection pool for one host.
+
+    :param host:
+        Host used for this HTTP Connection (e.g. "localhost"), passed into
+        :class:`httplib.HTTPConnection`.
+
+    :param port:
+        Port used for this HTTP Connection (None is equivalent to 80), passed
+        into :class:`httplib.HTTPConnection`.
+
+    :param strict:
+        Causes BadStatusLine to be raised if the status line can't be parsed
+        as a valid HTTP/1.0 or 1.1 status line, passed into
+        :class:`httplib.HTTPConnection`.
+
+        .. note::
+           Only works in Python 2. This parameter is ignored in Python 3.
+
+    :param timeout:
+        Socket timeout in seconds for each individual connection. This can
+        be a float or integer, which sets the timeout for the HTTP request,
+        or an instance of :class:`urllib3.util.Timeout` which gives you more
+        fine-grained control over request timeouts. After the constructor has
+        been parsed, this is always a `urllib3.util.Timeout` object.
+
+    :param maxsize:
+        Number of connections to save that can be reused. More than 1 is useful
+        in multithreaded situations. If ``block`` is set to False, more
+        connections will be created but they will not be saved once they've
+        been used.
+
+    :param block:
+        If set to True, no more than ``maxsize`` connections will be used at
+        a time. When no free connections are available, the call will block
+        until a connection has been released. This is a useful side effect for
+        particular multithreaded situations where one does not want to use more
+        than maxsize connections per host to prevent flooding.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param retries:
+        Retry configuration to use by default with requests in this pool.
+
+    :param _proxy:
+        Parsed proxy URL, should not be used directly, instead, see
+        :class:`urllib3.connectionpool.ProxyManager`"
+
+    :param _proxy_headers:
+        A dictionary with proxy headers, should not be used directly,
+        instead, see :class:`urllib3.connectionpool.ProxyManager`"
+
+    :param \\**conn_kw:
+        Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`,
+        :class:`urllib3.connection.HTTPSConnection` instances.
+    """
+
+    scheme = "http"
+    ConnectionCls = HTTPConnection
+    ResponseCls = HTTPResponse
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        **conn_kw
+    ):
+        ConnectionPool.__init__(self, host, port)
+        RequestMethods.__init__(self, headers)
+
+        self.strict = strict
+
+        if not isinstance(timeout, Timeout):
+            timeout = Timeout.from_float(timeout)
+
+        if retries is None:
+            retries = Retry.DEFAULT
+
+        self.timeout = timeout
+        self.retries = retries
+
+        self.pool = self.QueueCls(maxsize)
+        self.block = block
+
+        self.proxy = _proxy
+        self.proxy_headers = _proxy_headers or {}
+
+        # Fill the queue up so that doing get() on it will block properly
+        for _ in xrange(maxsize):
+            self.pool.put(None)
+
+        # These are mostly for testing and debugging purposes.
+        self.num_connections = 0
+        self.num_requests = 0
+        self.conn_kw = conn_kw
+
+        if self.proxy:
+            # Enable Nagle's algorithm for proxies, to avoid packet fragmentation.
+            # We cannot know if the user has added default socket options, so we cannot replace the
+            # list.
+            self.conn_kw.setdefault("socket_options", [])
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`HTTPConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTP connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "80",
+        )
+
+        conn = self.ConnectionCls(
+            host=self.host,
+            port=self.port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            **self.conn_kw
+        )
+        return conn
+
+    def _get_conn(self, timeout=None):
+        """
+        Get a connection. Will return a pooled connection if one is available.
+
+        If no connections are available and :prop:`.block` is ``False``, then a
+        fresh connection is returned.
+
+        :param timeout:
+            Seconds to wait before giving up and raising
+            :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and
+            :prop:`.block` is ``True``.
+        """
+        conn = None
+        try:
+            conn = self.pool.get(block=self.block, timeout=timeout)
+
+        except AttributeError:  # self.pool is None
+            raise ClosedPoolError(self, "Pool is closed.")
+
+        except queue.Empty:
+            if self.block:
+                raise EmptyPoolError(
+                    self,
+                    "Pool reached maximum size and no more connections are allowed.",
+                )
+            pass  # Oh well, we'll create a new connection then
+
+        # If this is a persistent connection, check if it got disconnected
+        if conn and is_connection_dropped(conn):
+            log.debug("Resetting dropped connection: %s", self.host)
+            conn.close()
+            if getattr(conn, "auto_open", 1) == 0:
+                # This is a proxied connection that has been mutated by
+                # httplib._tunnel() and cannot be reused (since it would
+                # attempt to bypass the proxy)
+                conn = None
+
+        return conn or self._new_conn()
+
+    def _put_conn(self, conn):
+        """
+        Put a connection back into the pool.
+
+        :param conn:
+            Connection object for the current host and port as returned by
+            :meth:`._new_conn` or :meth:`._get_conn`.
+
+        If the pool is already full, the connection is closed and discarded
+        because we exceeded maxsize. If connections are discarded frequently,
+        then maxsize should be increased.
+
+        If the pool is closed, then the connection will be closed and discarded.
+        """
+        try:
+            self.pool.put(conn, block=False)
+            return  # Everything is dandy, done.
+        except AttributeError:
+            # self.pool is None.
+            pass
+        except queue.Full:
+            # This should never happen if self.block == True
+            log.warning("Connection pool is full, discarding connection: %s", self.host)
+
+        # Connection never got put back into the pool, close it.
+        if conn:
+            conn.close()
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        pass
+
+    def _prepare_proxy(self, conn):
+        # Nothing to do for HTTP connections.
+        pass
+
+    def _get_timeout(self, timeout):
+        """ Helper that always returns a :class:`urllib3.util.Timeout` """
+        if timeout is _Default:
+            return self.timeout.clone()
+
+        if isinstance(timeout, Timeout):
+            return timeout.clone()
+        else:
+            # User passed us an int/float. This is for backwards compatibility,
+            # can be removed later
+            return Timeout.from_float(timeout)
+
+    def _raise_timeout(self, err, url, timeout_value):
+        """Is the error actually a timeout? Will raise a ReadTimeout or pass"""
+
+        if isinstance(err, SocketTimeout):
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # See the above comment about EAGAIN in Python 3. In Python 2 we have
+        # to specifically catch it and throw the timeout error
+        if hasattr(err, "errno") and err.errno in _blocking_errnos:
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # Catch possible read timeouts thrown as SSL errors. If not the
+        # case, rethrow the original. We need to do this because of:
+        # http://bugs.python.org/issue10272
+        if "timed out" in str(err) or "did not complete (read)" in str(
+            err
+        ):  # Python < 2.7.4
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+    def _make_request(
+        self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw
+    ):
+        """
+        Perform a request on a given urllib connection object taken from our
+        pool.
+
+        :param conn:
+            a connection from one of our connection pools
+
+        :param timeout:
+            Socket timeout in seconds for the request. This can be a
+            float or integer, which will set the same timeout value for
+            the socket connect and the socket read, or an instance of
+            :class:`urllib3.util.Timeout`, which gives you more fine-grained
+            control over your timeouts.
+        """
+        self.num_requests += 1
+
+        timeout_obj = self._get_timeout(timeout)
+        timeout_obj.start_connect()
+        conn.timeout = timeout_obj.connect_timeout
+
+        # Trigger any extra validation we need to do.
+        try:
+            self._validate_conn(conn)
+        except (SocketTimeout, BaseSSLError) as e:
+            # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout.
+            self._raise_timeout(err=e, url=url, timeout_value=conn.timeout)
+            raise
+
+        # conn.request() calls httplib.*.request, not the method in
+        # urllib3.request. It also calls makefile (recv) on the socket.
+        if chunked:
+            conn.request_chunked(method, url, **httplib_request_kw)
+        else:
+            conn.request(method, url, **httplib_request_kw)
+
+        # Reset the timeout for the recv() on the socket
+        read_timeout = timeout_obj.read_timeout
+
+        # App Engine doesn't have a sock attr
+        if getattr(conn, "sock", None):
+            # In Python 3 socket.py will catch EAGAIN and return None when you
+            # try and read into the file pointer created by http.client, which
+            # instead raises a BadStatusLine exception. Instead of catching
+            # the exception and assuming all BadStatusLine exceptions are read
+            # timeouts, check for a zero timeout before making the request.
+            if read_timeout == 0:
+                raise ReadTimeoutError(
+                    self, url, "Read timed out. (read timeout=%s)" % read_timeout
+                )
+            if read_timeout is Timeout.DEFAULT_TIMEOUT:
+                conn.sock.settimeout(socket.getdefaulttimeout())
+            else:  # None or a value
+                conn.sock.settimeout(read_timeout)
+
+        # Receive the response from the server
+        try:
+            try:
+                # Python 2.7, use buffering of HTTP responses
+                httplib_response = conn.getresponse(buffering=True)
+            except TypeError:
+                # Python 3
+                try:
+                    httplib_response = conn.getresponse()
+                except BaseException as e:
+                    # Remove the TypeError from the exception chain in
+                    # Python 3 (including for exceptions like SystemExit).
+                    # Otherwise it looks like a bug in the code.
+                    six.raise_from(e, None)
+        except (SocketTimeout, BaseSSLError, SocketError) as e:
+            self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
+            raise
+
+        # AppEngine doesn't have a version attr.
+        http_version = getattr(conn, "_http_vsn_str", "HTTP/?")
+        log.debug(
+            '%s://%s:%s "%s %s %s" %s %s',
+            self.scheme,
+            self.host,
+            self.port,
+            method,
+            url,
+            http_version,
+            httplib_response.status,
+            httplib_response.length,
+        )
+
+        try:
+            assert_header_parsing(httplib_response.msg)
+        except (HeaderParsingError, TypeError) as hpe:  # Platform-specific: Python 3
+            log.warning(
+                "Failed to parse headers (url=%s): %s",
+                self._absolute_url(url),
+                hpe,
+                exc_info=True,
+            )
+
+        return httplib_response
+
+    def _absolute_url(self, path):
+        return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        if self.pool is None:
+            return
+        # Disable access to the pool
+        old_pool, self.pool = self.pool, None
+
+        try:
+            while True:
+                conn = old_pool.get(block=False)
+                if conn:
+                    conn.close()
+
+        except queue.Empty:
+            pass  # Done.
+
+    def is_same_host(self, url):
+        """
+        Check if the given ``url`` is a member of the same host as this
+        connection pool.
+        """
+        if url.startswith("/"):
+            return True
+
+        # TODO: Add optional support for socket.gethostbyname checking.
+        scheme, host, port = get_host(url)
+        if host is not None:
+            host = _normalize_host(host, scheme=scheme)
+
+        # Use explicit default port for comparison when none is given
+        if self.port and not port:
+            port = port_by_scheme.get(scheme)
+        elif not self.port and port == port_by_scheme.get(scheme):
+            port = None
+
+        return (scheme, host, port) == (self.scheme, self.host, self.port)
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        assert_same_host=True,
+        timeout=_Default,
+        pool_timeout=None,
+        release_conn=None,
+        chunked=False,
+        body_pos=None,
+        **response_kw
+    ):
+        """
+        Get a connection from the pool and perform an HTTP request. This is the
+        lowest level call for making a request, so you'll need to specify all
+        the raw details.
+
+        .. note::
+
+           More commonly, it's appropriate to use a convenience method provided
+           by :class:`.RequestMethods`, such as :meth:`request`.
+
+        .. note::
+
+           `release_conn` will only behave as expected if
+           `preload_content=False` because we want to make
+           `preload_content=False` the default behaviour someday soon without
+           breaking backwards compatibility.
+
+        :param method:
+            HTTP request method (such as GET, POST, PUT, etc.)
+
+        :param body:
+            Data to send in the request body (useful for creating
+            POST requests, see HTTPConnectionPool.post_url for
+            more convenience).
+
+        :param headers:
+            Dictionary of custom headers to send, such as User-Agent,
+            If-None-Match, etc. If None, pool headers are used. If provided,
+            these headers completely replace any pool-specific headers.
+
+        :param retries:
+            Configure the number of retries to allow before raising a
+            :class:`~urllib3.exceptions.MaxRetryError` exception.
+
+            Pass ``None`` to retry until you receive a response. Pass a
+            :class:`~urllib3.util.retry.Retry` object for fine-grained control
+            over different types of retries.
+            Pass an integer number to retry connection errors that many times,
+            but no other types of errors. Pass zero to never retry.
+
+            If ``False``, then retries are disabled and any exception is raised
+            immediately. Also, instead of raising a MaxRetryError on redirects,
+            the redirect response will be returned.
+
+        :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int.
+
+        :param redirect:
+            If True, automatically handle redirects (status codes 301, 302,
+            303, 307, 308). Each redirect counts as a retry. Disabling retries
+            will disable redirect, too.
+
+        :param assert_same_host:
+            If ``True``, will make sure that the host of the pool requests is
+            consistent else will raise HostChangedError. When False, you can
+            use the pool on an HTTP proxy and request foreign hosts.
+
+        :param timeout:
+            If specified, overrides the default timeout for this one
+            request. It may be a float (in seconds) or an instance of
+            :class:`urllib3.util.Timeout`.
+
+        :param pool_timeout:
+            If set and the pool is set to block=True, then this method will
+            block for ``pool_timeout`` seconds and raise EmptyPoolError if no
+            connection is available within the time period.
+
+        :param release_conn:
+            If False, then the urlopen call will not release the connection
+            back into the pool once a response is received (but will release if
+            you read the entire contents of the response such as when
+            `preload_content=True`). This is useful if you're not preloading
+            the response's content immediately. You will need to call
+            ``r.release_conn()`` on the response ``r`` to return the connection
+            back into the pool. If None, it takes the value of
+            ``response_kw.get('preload_content', True)``.
+
+        :param chunked:
+            If True, urllib3 will send the body using chunked transfer
+            encoding. Otherwise, urllib3 will send the body using the standard
+            content-length form. Defaults to False.
+
+        :param int body_pos:
+            Position to seek to in file-like body in the event of a retry or
+            redirect. Typically this won't need to be set because urllib3 will
+            auto-populate the value when needed.
+
+        :param \\**response_kw:
+            Additional parameters are passed to
+            :meth:`urllib3.response.HTTPResponse.from_httplib`
+        """
+        if headers is None:
+            headers = self.headers
+
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if release_conn is None:
+            release_conn = response_kw.get("preload_content", True)
+
+        # Check host
+        if assert_same_host and not self.is_same_host(url):
+            raise HostChangedError(self, url, retries)
+
+        # Ensure that the URL we're connecting to is properly encoded
+        if url.startswith("/"):
+            url = six.ensure_str(_encode_target(url))
+        else:
+            url = six.ensure_str(parse_url(url).url)
+
+        conn = None
+
+        # Track whether `conn` needs to be released before
+        # returning/raising/recursing. Update this variable if necessary, and
+        # leave `release_conn` constant throughout the function. That way, if
+        # the function recurses, the original value of `release_conn` will be
+        # passed down into the recursive call, and its value will be respected.
+        #
+        # See issue #651 [1] for details.
+        #
+        # [1] 
+        release_this_conn = release_conn
+
+        # Merge the proxy headers. Only do this in HTTP. We have to copy the
+        # headers dict so we can safely change it without those changes being
+        # reflected in anyone else's copy.
+        if self.scheme == "http":
+            headers = headers.copy()
+            headers.update(self.proxy_headers)
+
+        # Must keep the exception bound to a separate variable or else Python 3
+        # complains about UnboundLocalError.
+        err = None
+
+        # Keep track of whether we cleanly exited the except block. This
+        # ensures we do proper cleanup in finally.
+        clean_exit = False
+
+        # Rewind body position, if needed. Record current position
+        # for future rewinds in the event of a redirect/retry.
+        body_pos = set_file_position(body, body_pos)
+
+        try:
+            # Request a connection from the queue.
+            timeout_obj = self._get_timeout(timeout)
+            conn = self._get_conn(timeout=pool_timeout)
+
+            conn.timeout = timeout_obj.connect_timeout
+
+            is_new_proxy_conn = self.proxy is not None and not getattr(
+                conn, "sock", None
+            )
+            if is_new_proxy_conn:
+                self._prepare_proxy(conn)
+
+            # Make the request on the httplib connection object.
+            httplib_response = self._make_request(
+                conn,
+                method,
+                url,
+                timeout=timeout_obj,
+                body=body,
+                headers=headers,
+                chunked=chunked,
+            )
+
+            # If we're going to release the connection in ``finally:``, then
+            # the response doesn't need to know about the connection. Otherwise
+            # it will also try to release it and we'll have a double-release
+            # mess.
+            response_conn = conn if not release_conn else None
+
+            # Pass method to Response for length checking
+            response_kw["request_method"] = method
+
+            # Import httplib's response into our own wrapper object
+            response = self.ResponseCls.from_httplib(
+                httplib_response,
+                pool=self,
+                connection=response_conn,
+                retries=retries,
+                **response_kw
+            )
+
+            # Everything went great!
+            clean_exit = True
+
+        except queue.Empty:
+            # Timed out by queue.
+            raise EmptyPoolError(self, "No pool connections are available.")
+
+        except (
+            TimeoutError,
+            HTTPException,
+            SocketError,
+            ProtocolError,
+            BaseSSLError,
+            SSLError,
+            CertificateError,
+        ) as e:
+            # Discard the connection for these exceptions. It will be
+            # replaced during the next _get_conn() call.
+            clean_exit = False
+            if isinstance(e, (BaseSSLError, CertificateError)):
+                e = SSLError(e)
+            elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy:
+                e = ProxyError("Cannot connect to proxy.", e)
+            elif isinstance(e, (SocketError, HTTPException)):
+                e = ProtocolError("Connection aborted.", e)
+
+            retries = retries.increment(
+                method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
+            )
+            retries.sleep()
+
+            # Keep track of the error for the retry warning.
+            err = e
+
+        finally:
+            if not clean_exit:
+                # We hit some kind of exception, handled or otherwise. We need
+                # to throw the connection away unless explicitly told not to.
+                # Close the connection, set the variable to None, and make sure
+                # we put the None back in the pool to avoid leaking it.
+                conn = conn and conn.close()
+                release_this_conn = True
+
+            if release_this_conn:
+                # Put the connection back to be reused. If the connection is
+                # expired then it will be None, which will get replaced with a
+                # fresh connection during _get_conn.
+                self._put_conn(conn)
+
+        if not conn:
+            # Try again
+            log.warning(
+                "Retrying (%r) after connection broken by '%r': %s", retries, err, url
+            )
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries,
+                redirect,
+                assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        def drain_and_release_conn(response):
+            try:
+                # discard any remaining response body, the connection will be
+                # released back to the pool once the entire response is read
+                response.read()
+            except (
+                TimeoutError,
+                HTTPException,
+                SocketError,
+                ProtocolError,
+                BaseSSLError,
+                SSLError,
+            ):
+                pass
+
+        # Handle redirect?
+        redirect_location = redirect and response.get_redirect_location()
+        if redirect_location:
+            if response.status == 303:
+                method = "GET"
+
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_redirect:
+                    # Drain and release the connection for this response, since
+                    # we're not returning it to be released manually.
+                    drain_and_release_conn(response)
+                    raise
+                return response
+
+            # drain and return the connection to the pool before recursing
+            drain_and_release_conn(response)
+
+            retries.sleep_for_retry(response)
+            log.debug("Redirecting %s -> %s", url, redirect_location)
+            return self.urlopen(
+                method,
+                redirect_location,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(response.getheader("Retry-After"))
+        if retries.is_retry(method, response.status, has_retry_after):
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_status:
+                    # Drain and release the connection for this response, since
+                    # we're not returning it to be released manually.
+                    drain_and_release_conn(response)
+                    raise
+                return response
+
+            # drain and return the connection to the pool before recursing
+            drain_and_release_conn(response)
+
+            retries.sleep(response)
+            log.debug("Retry: %s", url)
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        return response
+
+
+class HTTPSConnectionPool(HTTPConnectionPool):
+    """
+    Same as :class:`.HTTPConnectionPool`, but HTTPS.
+
+    When Python is compiled with the :mod:`ssl` module, then
+    :class:`.VerifiedHTTPSConnection` is used, which *can* verify certificates,
+    instead of :class:`.HTTPSConnection`.
+
+    :class:`.VerifiedHTTPSConnection` uses one of ``assert_fingerprint``,
+    ``assert_hostname`` and ``host`` in this order to verify connections.
+    If ``assert_hostname`` is False, no verification is done.
+
+    The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``,
+    ``ca_cert_dir``, ``ssl_version``, ``key_password`` are only used if :mod:`ssl`
+    is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade
+    the connection socket into an SSL socket.
+    """
+
+    scheme = "https"
+    ConnectionCls = HTTPSConnection
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        ssl_version=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+        **conn_kw
+    ):
+
+        HTTPConnectionPool.__init__(
+            self,
+            host,
+            port,
+            strict,
+            timeout,
+            maxsize,
+            block,
+            headers,
+            retries,
+            _proxy,
+            _proxy_headers,
+            **conn_kw
+        )
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.ca_certs = ca_certs
+        self.ca_cert_dir = ca_cert_dir
+        self.ssl_version = ssl_version
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+
+    def _prepare_conn(self, conn):
+        """
+        Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket`
+        and establish the tunnel if proxy is used.
+        """
+
+        if isinstance(conn, VerifiedHTTPSConnection):
+            conn.set_cert(
+                key_file=self.key_file,
+                key_password=self.key_password,
+                cert_file=self.cert_file,
+                cert_reqs=self.cert_reqs,
+                ca_certs=self.ca_certs,
+                ca_cert_dir=self.ca_cert_dir,
+                assert_hostname=self.assert_hostname,
+                assert_fingerprint=self.assert_fingerprint,
+            )
+            conn.ssl_version = self.ssl_version
+        return conn
+
+    def _prepare_proxy(self, conn):
+        """
+        Establish tunnel connection early, because otherwise httplib
+        would improperly set Host: header to proxy's IP:port.
+        """
+        conn.set_tunnel(self._proxy_host, self.port, self.proxy_headers)
+        conn.connect()
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`httplib.HTTPSConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTPS connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "443",
+        )
+
+        if not self.ConnectionCls or self.ConnectionCls is DummyConnection:
+            raise SSLError(
+                "Can't connect to HTTPS URL because the SSL module is not available."
+            )
+
+        actual_host = self.host
+        actual_port = self.port
+        if self.proxy is not None:
+            actual_host = self.proxy.host
+            actual_port = self.proxy.port
+
+        conn = self.ConnectionCls(
+            host=actual_host,
+            port=actual_port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            cert_file=self.cert_file,
+            key_file=self.key_file,
+            key_password=self.key_password,
+            **self.conn_kw
+        )
+
+        return self._prepare_conn(conn)
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        super(HTTPSConnectionPool, self)._validate_conn(conn)
+
+        # Force connect early to allow us to validate the connection.
+        if not getattr(conn, "sock", None):  # AppEngine might not have  `.sock`
+            conn.connect()
+
+        if not conn.is_verified:
+            warnings.warn(
+                (
+                    "Unverified HTTPS request is being made. "
+                    "Adding certificate verification is strongly advised. See: "
+                    "https://urllib3.readthedocs.io/en/latest/advanced-usage.html"
+                    "#ssl-warnings"
+                ),
+                InsecureRequestWarning,
+            )
+
+
+def connection_from_url(url, **kw):
+    """
+    Given a url, return an :class:`.ConnectionPool` instance of its host.
+
+    This is a shortcut for not having to parse out the scheme, host, and port
+    of the url before creating an :class:`.ConnectionPool` instance.
+
+    :param url:
+        Absolute URL string that must include the scheme. Port is optional.
+
+    :param \\**kw:
+        Passes additional parameters to the constructor of the appropriate
+        :class:`.ConnectionPool`. Useful for specifying things like
+        timeout, maxsize, headers, etc.
+
+    Example::
+
+        >>> conn = connection_from_url('http://google.com/')
+        >>> r = conn.request('GET', '/')
+    """
+    scheme, host, port = get_host(url)
+    port = port or port_by_scheme.get(scheme, 80)
+    if scheme == "https":
+        return HTTPSConnectionPool(host, port=port, **kw)
+    else:
+        return HTTPConnectionPool(host, port=port, **kw)
+
+
+def _normalize_host(host, scheme):
+    """
+    Normalize hosts for comparisons and use with sockets.
+    """
+
+    host = normalize_host(host, scheme)
+
+    # httplib doesn't like it when we include brackets in IPv6 addresses
+    # Specifically, if we include brackets but also pass the port then
+    # httplib crazily doubles up the square brackets on the Host header.
+    # Instead, we need to make sure we never pass ``None`` as the port.
+    # However, for backward compatibility reasons we can't actually
+    # *assert* that.  See http://bugs.python.org/issue28539
+    if host.startswith("[") and host.endswith("]"):
+        host = host[1:-1]
+    return host
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/__init__.py b/venv/lib/python3.7/site-packages/urllib3/contrib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/_appengine_environ.py b/venv/lib/python3.7/site-packages/urllib3/contrib/_appengine_environ.py
new file mode 100644
index 0000000..119efae
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/_appengine_environ.py
@@ -0,0 +1,36 @@
+"""
+This module provides means to detect the App Engine environment.
+"""
+
+import os
+
+
+def is_appengine():
+    return "APPENGINE_RUNTIME" in os.environ
+
+
+def is_appengine_sandbox():
+    """Reports if the app is running in the first generation sandbox.
+
+    The second generation runtimes are technically still in a sandbox, but it
+    is much less restrictive, so generally you shouldn't need to check for it.
+    see https://cloud.google.com/appengine/docs/standard/runtimes
+    """
+    return is_appengine() and os.environ["APPENGINE_RUNTIME"] == "python27"
+
+
+def is_local_appengine():
+    return is_appengine() and os.environ.get("SERVER_SOFTWARE", "").startswith(
+        "Development/"
+    )
+
+
+def is_prod_appengine():
+    return is_appengine() and os.environ.get("SERVER_SOFTWARE", "").startswith(
+        "Google App Engine/"
+    )
+
+
+def is_prod_appengine_mvms():
+    """Deprecated."""
+    return False
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/__init__.py b/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/bindings.py b/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/bindings.py
new file mode 100644
index 0000000..d9b6733
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/bindings.py
@@ -0,0 +1,493 @@
+"""
+This module uses ctypes to bind a whole bunch of functions and constants from
+SecureTransport. The goal here is to provide the low-level API to
+SecureTransport. These are essentially the C-level functions and constants, and
+they're pretty gross to work with.
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+    Copyright (c) 2015-2016 Will Bond 
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import platform
+from ctypes.util import find_library
+from ctypes import (
+    c_void_p,
+    c_int32,
+    c_char_p,
+    c_size_t,
+    c_byte,
+    c_uint32,
+    c_ulong,
+    c_long,
+    c_bool,
+)
+from ctypes import CDLL, POINTER, CFUNCTYPE
+
+
+security_path = find_library("Security")
+if not security_path:
+    raise ImportError("The library Security could not be found")
+
+
+core_foundation_path = find_library("CoreFoundation")
+if not core_foundation_path:
+    raise ImportError("The library CoreFoundation could not be found")
+
+
+version = platform.mac_ver()[0]
+version_info = tuple(map(int, version.split(".")))
+if version_info < (10, 8):
+    raise OSError(
+        "Only OS X 10.8 and newer are supported, not %s.%s"
+        % (version_info[0], version_info[1])
+    )
+
+Security = CDLL(security_path, use_errno=True)
+CoreFoundation = CDLL(core_foundation_path, use_errno=True)
+
+Boolean = c_bool
+CFIndex = c_long
+CFStringEncoding = c_uint32
+CFData = c_void_p
+CFString = c_void_p
+CFArray = c_void_p
+CFMutableArray = c_void_p
+CFDictionary = c_void_p
+CFError = c_void_p
+CFType = c_void_p
+CFTypeID = c_ulong
+
+CFTypeRef = POINTER(CFType)
+CFAllocatorRef = c_void_p
+
+OSStatus = c_int32
+
+CFDataRef = POINTER(CFData)
+CFStringRef = POINTER(CFString)
+CFArrayRef = POINTER(CFArray)
+CFMutableArrayRef = POINTER(CFMutableArray)
+CFDictionaryRef = POINTER(CFDictionary)
+CFArrayCallBacks = c_void_p
+CFDictionaryKeyCallBacks = c_void_p
+CFDictionaryValueCallBacks = c_void_p
+
+SecCertificateRef = POINTER(c_void_p)
+SecExternalFormat = c_uint32
+SecExternalItemType = c_uint32
+SecIdentityRef = POINTER(c_void_p)
+SecItemImportExportFlags = c_uint32
+SecItemImportExportKeyParameters = c_void_p
+SecKeychainRef = POINTER(c_void_p)
+SSLProtocol = c_uint32
+SSLCipherSuite = c_uint32
+SSLContextRef = POINTER(c_void_p)
+SecTrustRef = POINTER(c_void_p)
+SSLConnectionRef = c_uint32
+SecTrustResultType = c_uint32
+SecTrustOptionFlags = c_uint32
+SSLProtocolSide = c_uint32
+SSLConnectionType = c_uint32
+SSLSessionOption = c_uint32
+
+
+try:
+    Security.SecItemImport.argtypes = [
+        CFDataRef,
+        CFStringRef,
+        POINTER(SecExternalFormat),
+        POINTER(SecExternalItemType),
+        SecItemImportExportFlags,
+        POINTER(SecItemImportExportKeyParameters),
+        SecKeychainRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecItemImport.restype = OSStatus
+
+    Security.SecCertificateGetTypeID.argtypes = []
+    Security.SecCertificateGetTypeID.restype = CFTypeID
+
+    Security.SecIdentityGetTypeID.argtypes = []
+    Security.SecIdentityGetTypeID.restype = CFTypeID
+
+    Security.SecKeyGetTypeID.argtypes = []
+    Security.SecKeyGetTypeID.restype = CFTypeID
+
+    Security.SecCertificateCreateWithData.argtypes = [CFAllocatorRef, CFDataRef]
+    Security.SecCertificateCreateWithData.restype = SecCertificateRef
+
+    Security.SecCertificateCopyData.argtypes = [SecCertificateRef]
+    Security.SecCertificateCopyData.restype = CFDataRef
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SecIdentityCreateWithCertificate.argtypes = [
+        CFTypeRef,
+        SecCertificateRef,
+        POINTER(SecIdentityRef),
+    ]
+    Security.SecIdentityCreateWithCertificate.restype = OSStatus
+
+    Security.SecKeychainCreate.argtypes = [
+        c_char_p,
+        c_uint32,
+        c_void_p,
+        Boolean,
+        c_void_p,
+        POINTER(SecKeychainRef),
+    ]
+    Security.SecKeychainCreate.restype = OSStatus
+
+    Security.SecKeychainDelete.argtypes = [SecKeychainRef]
+    Security.SecKeychainDelete.restype = OSStatus
+
+    Security.SecPKCS12Import.argtypes = [
+        CFDataRef,
+        CFDictionaryRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecPKCS12Import.restype = OSStatus
+
+    SSLReadFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, c_void_p, POINTER(c_size_t))
+    SSLWriteFunc = CFUNCTYPE(
+        OSStatus, SSLConnectionRef, POINTER(c_byte), POINTER(c_size_t)
+    )
+
+    Security.SSLSetIOFuncs.argtypes = [SSLContextRef, SSLReadFunc, SSLWriteFunc]
+    Security.SSLSetIOFuncs.restype = OSStatus
+
+    Security.SSLSetPeerID.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerID.restype = OSStatus
+
+    Security.SSLSetCertificate.argtypes = [SSLContextRef, CFArrayRef]
+    Security.SSLSetCertificate.restype = OSStatus
+
+    Security.SSLSetCertificateAuthorities.argtypes = [SSLContextRef, CFTypeRef, Boolean]
+    Security.SSLSetCertificateAuthorities.restype = OSStatus
+
+    Security.SSLSetConnection.argtypes = [SSLContextRef, SSLConnectionRef]
+    Security.SSLSetConnection.restype = OSStatus
+
+    Security.SSLSetPeerDomainName.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerDomainName.restype = OSStatus
+
+    Security.SSLHandshake.argtypes = [SSLContextRef]
+    Security.SSLHandshake.restype = OSStatus
+
+    Security.SSLRead.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLRead.restype = OSStatus
+
+    Security.SSLWrite.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLWrite.restype = OSStatus
+
+    Security.SSLClose.argtypes = [SSLContextRef]
+    Security.SSLClose.restype = OSStatus
+
+    Security.SSLGetNumberSupportedCiphers.argtypes = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberSupportedCiphers.restype = OSStatus
+
+    Security.SSLGetSupportedCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetSupportedCiphers.restype = OSStatus
+
+    Security.SSLSetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        c_size_t,
+    ]
+    Security.SSLSetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNumberEnabledCiphers.argtype = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNegotiatedCipher.argtypes = [SSLContextRef, POINTER(SSLCipherSuite)]
+    Security.SSLGetNegotiatedCipher.restype = OSStatus
+
+    Security.SSLGetNegotiatedProtocolVersion.argtypes = [
+        SSLContextRef,
+        POINTER(SSLProtocol),
+    ]
+    Security.SSLGetNegotiatedProtocolVersion.restype = OSStatus
+
+    Security.SSLCopyPeerTrust.argtypes = [SSLContextRef, POINTER(SecTrustRef)]
+    Security.SSLCopyPeerTrust.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificates.argtypes = [SecTrustRef, CFArrayRef]
+    Security.SecTrustSetAnchorCertificates.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificatesOnly.argstypes = [SecTrustRef, Boolean]
+    Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus
+
+    Security.SecTrustEvaluate.argtypes = [SecTrustRef, POINTER(SecTrustResultType)]
+    Security.SecTrustEvaluate.restype = OSStatus
+
+    Security.SecTrustGetCertificateCount.argtypes = [SecTrustRef]
+    Security.SecTrustGetCertificateCount.restype = CFIndex
+
+    Security.SecTrustGetCertificateAtIndex.argtypes = [SecTrustRef, CFIndex]
+    Security.SecTrustGetCertificateAtIndex.restype = SecCertificateRef
+
+    Security.SSLCreateContext.argtypes = [
+        CFAllocatorRef,
+        SSLProtocolSide,
+        SSLConnectionType,
+    ]
+    Security.SSLCreateContext.restype = SSLContextRef
+
+    Security.SSLSetSessionOption.argtypes = [SSLContextRef, SSLSessionOption, Boolean]
+    Security.SSLSetSessionOption.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMin.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMin.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMax.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMax.restype = OSStatus
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SSLReadFunc = SSLReadFunc
+    Security.SSLWriteFunc = SSLWriteFunc
+    Security.SSLContextRef = SSLContextRef
+    Security.SSLProtocol = SSLProtocol
+    Security.SSLCipherSuite = SSLCipherSuite
+    Security.SecIdentityRef = SecIdentityRef
+    Security.SecKeychainRef = SecKeychainRef
+    Security.SecTrustRef = SecTrustRef
+    Security.SecTrustResultType = SecTrustResultType
+    Security.SecExternalFormat = SecExternalFormat
+    Security.OSStatus = OSStatus
+
+    Security.kSecImportExportPassphrase = CFStringRef.in_dll(
+        Security, "kSecImportExportPassphrase"
+    )
+    Security.kSecImportItemIdentity = CFStringRef.in_dll(
+        Security, "kSecImportItemIdentity"
+    )
+
+    # CoreFoundation time!
+    CoreFoundation.CFRetain.argtypes = [CFTypeRef]
+    CoreFoundation.CFRetain.restype = CFTypeRef
+
+    CoreFoundation.CFRelease.argtypes = [CFTypeRef]
+    CoreFoundation.CFRelease.restype = None
+
+    CoreFoundation.CFGetTypeID.argtypes = [CFTypeRef]
+    CoreFoundation.CFGetTypeID.restype = CFTypeID
+
+    CoreFoundation.CFStringCreateWithCString.argtypes = [
+        CFAllocatorRef,
+        c_char_p,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringCreateWithCString.restype = CFStringRef
+
+    CoreFoundation.CFStringGetCStringPtr.argtypes = [CFStringRef, CFStringEncoding]
+    CoreFoundation.CFStringGetCStringPtr.restype = c_char_p
+
+    CoreFoundation.CFStringGetCString.argtypes = [
+        CFStringRef,
+        c_char_p,
+        CFIndex,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringGetCString.restype = c_bool
+
+    CoreFoundation.CFDataCreate.argtypes = [CFAllocatorRef, c_char_p, CFIndex]
+    CoreFoundation.CFDataCreate.restype = CFDataRef
+
+    CoreFoundation.CFDataGetLength.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetLength.restype = CFIndex
+
+    CoreFoundation.CFDataGetBytePtr.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetBytePtr.restype = c_void_p
+
+    CoreFoundation.CFDictionaryCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFDictionaryKeyCallBacks,
+        CFDictionaryValueCallBacks,
+    ]
+    CoreFoundation.CFDictionaryCreate.restype = CFDictionaryRef
+
+    CoreFoundation.CFDictionaryGetValue.argtypes = [CFDictionaryRef, CFTypeRef]
+    CoreFoundation.CFDictionaryGetValue.restype = CFTypeRef
+
+    CoreFoundation.CFArrayCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreate.restype = CFArrayRef
+
+    CoreFoundation.CFArrayCreateMutable.argtypes = [
+        CFAllocatorRef,
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef
+
+    CoreFoundation.CFArrayAppendValue.argtypes = [CFMutableArrayRef, c_void_p]
+    CoreFoundation.CFArrayAppendValue.restype = None
+
+    CoreFoundation.CFArrayGetCount.argtypes = [CFArrayRef]
+    CoreFoundation.CFArrayGetCount.restype = CFIndex
+
+    CoreFoundation.CFArrayGetValueAtIndex.argtypes = [CFArrayRef, CFIndex]
+    CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p
+
+    CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll(
+        CoreFoundation, "kCFAllocatorDefault"
+    )
+    CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeArrayCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryKeyCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryKeyCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryValueCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryValueCallBacks"
+    )
+
+    CoreFoundation.CFTypeRef = CFTypeRef
+    CoreFoundation.CFArrayRef = CFArrayRef
+    CoreFoundation.CFStringRef = CFStringRef
+    CoreFoundation.CFDictionaryRef = CFDictionaryRef
+
+except (AttributeError):
+    raise ImportError("Error initializing ctypes")
+
+
+class CFConst(object):
+    """
+    A class object that acts as essentially a namespace for CoreFoundation
+    constants.
+    """
+
+    kCFStringEncodingUTF8 = CFStringEncoding(0x08000100)
+
+
+class SecurityConst(object):
+    """
+    A class object that acts as essentially a namespace for Security constants.
+    """
+
+    kSSLSessionOptionBreakOnServerAuth = 0
+
+    kSSLProtocol2 = 1
+    kSSLProtocol3 = 2
+    kTLSProtocol1 = 4
+    kTLSProtocol11 = 7
+    kTLSProtocol12 = 8
+    # SecureTransport does not support TLS 1.3 even if there's a constant for it
+    kTLSProtocol13 = 10
+    kTLSProtocolMaxSupported = 999
+
+    kSSLClientSide = 1
+    kSSLStreamType = 0
+
+    kSecFormatPEMSequence = 10
+
+    kSecTrustResultInvalid = 0
+    kSecTrustResultProceed = 1
+    # This gap is present on purpose: this was kSecTrustResultConfirm, which
+    # is deprecated.
+    kSecTrustResultDeny = 3
+    kSecTrustResultUnspecified = 4
+    kSecTrustResultRecoverableTrustFailure = 5
+    kSecTrustResultFatalTrustFailure = 6
+    kSecTrustResultOtherError = 7
+
+    errSSLProtocol = -9800
+    errSSLWouldBlock = -9803
+    errSSLClosedGraceful = -9805
+    errSSLClosedNoNotify = -9816
+    errSSLClosedAbort = -9806
+
+    errSSLXCertChainInvalid = -9807
+    errSSLCrypto = -9809
+    errSSLInternal = -9810
+    errSSLCertExpired = -9814
+    errSSLCertNotYetValid = -9815
+    errSSLUnknownRootCert = -9812
+    errSSLNoRootCert = -9813
+    errSSLHostNameMismatch = -9843
+    errSSLPeerHandshakeFail = -9824
+    errSSLPeerUserCancelled = -9839
+    errSSLWeakPeerEphemeralDHKey = -9850
+    errSSLServerAuthCompleted = -9841
+    errSSLRecordOverflow = -9847
+
+    errSecVerifyFailed = -67808
+    errSecNoTrustSettings = -25263
+    errSecItemNotFound = -25300
+    errSecInvalidTrustSettings = -25262
+
+    # Cipher suites. We only pick the ones our default cipher string allows.
+    # Source: https://developer.apple.com/documentation/security/1550981-ssl_cipher_suite_values
+    TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C
+    TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030
+    TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B
+    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F
+    TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA9
+    TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA8
+    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F
+    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033
+    TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D
+    TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C
+    TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D
+    TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C
+    TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035
+    TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F
+    TLS_AES_128_GCM_SHA256 = 0x1301
+    TLS_AES_256_GCM_SHA384 = 0x1302
+    TLS_AES_128_CCM_8_SHA256 = 0x1305
+    TLS_AES_128_CCM_SHA256 = 0x1304
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/low_level.py b/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/low_level.py
new file mode 100644
index 0000000..e60168c
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/_securetransport/low_level.py
@@ -0,0 +1,328 @@
+"""
+Low-level helpers for the SecureTransport bindings.
+
+These are Python functions that are not directly related to the high-level APIs
+but are necessary to get them to work. They include a whole bunch of low-level
+CoreFoundation messing about and memory management. The concerns in this module
+are almost entirely about trying to avoid memory leaks and providing
+appropriate and useful assistance to the higher-level code.
+"""
+import base64
+import ctypes
+import itertools
+import re
+import os
+import ssl
+import tempfile
+
+from .bindings import Security, CoreFoundation, CFConst
+
+
+# This regular expression is used to grab PEM data out of a PEM bundle.
+_PEM_CERTS_RE = re.compile(
+    b"-----BEGIN CERTIFICATE-----\n(.*?)\n-----END CERTIFICATE-----", re.DOTALL
+)
+
+
+def _cf_data_from_bytes(bytestring):
+    """
+    Given a bytestring, create a CFData object from it. This CFData object must
+    be CFReleased by the caller.
+    """
+    return CoreFoundation.CFDataCreate(
+        CoreFoundation.kCFAllocatorDefault, bytestring, len(bytestring)
+    )
+
+
+def _cf_dictionary_from_tuples(tuples):
+    """
+    Given a list of Python tuples, create an associated CFDictionary.
+    """
+    dictionary_size = len(tuples)
+
+    # We need to get the dictionary keys and values out in the same order.
+    keys = (t[0] for t in tuples)
+    values = (t[1] for t in tuples)
+    cf_keys = (CoreFoundation.CFTypeRef * dictionary_size)(*keys)
+    cf_values = (CoreFoundation.CFTypeRef * dictionary_size)(*values)
+
+    return CoreFoundation.CFDictionaryCreate(
+        CoreFoundation.kCFAllocatorDefault,
+        cf_keys,
+        cf_values,
+        dictionary_size,
+        CoreFoundation.kCFTypeDictionaryKeyCallBacks,
+        CoreFoundation.kCFTypeDictionaryValueCallBacks,
+    )
+
+
+def _cf_string_to_unicode(value):
+    """
+    Creates a Unicode string from a CFString object. Used entirely for error
+    reporting.
+
+    Yes, it annoys me quite a lot that this function is this complex.
+    """
+    value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p))
+
+    string = CoreFoundation.CFStringGetCStringPtr(
+        value_as_void_p, CFConst.kCFStringEncodingUTF8
+    )
+    if string is None:
+        buffer = ctypes.create_string_buffer(1024)
+        result = CoreFoundation.CFStringGetCString(
+            value_as_void_p, buffer, 1024, CFConst.kCFStringEncodingUTF8
+        )
+        if not result:
+            raise OSError("Error copying C string from CFStringRef")
+        string = buffer.value
+    if string is not None:
+        string = string.decode("utf-8")
+    return string
+
+
+def _assert_no_error(error, exception_class=None):
+    """
+    Checks the return code and throws an exception if there is an error to
+    report
+    """
+    if error == 0:
+        return
+
+    cf_error_string = Security.SecCopyErrorMessageString(error, None)
+    output = _cf_string_to_unicode(cf_error_string)
+    CoreFoundation.CFRelease(cf_error_string)
+
+    if output is None or output == u"":
+        output = u"OSStatus %s" % error
+
+    if exception_class is None:
+        exception_class = ssl.SSLError
+
+    raise exception_class(output)
+
+
+def _cert_array_from_pem(pem_bundle):
+    """
+    Given a bundle of certs in PEM format, turns them into a CFArray of certs
+    that can be used to validate a cert chain.
+    """
+    # Normalize the PEM bundle's line endings.
+    pem_bundle = pem_bundle.replace(b"\r\n", b"\n")
+
+    der_certs = [
+        base64.b64decode(match.group(1)) for match in _PEM_CERTS_RE.finditer(pem_bundle)
+    ]
+    if not der_certs:
+        raise ssl.SSLError("No root certificates specified")
+
+    cert_array = CoreFoundation.CFArrayCreateMutable(
+        CoreFoundation.kCFAllocatorDefault,
+        0,
+        ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+    )
+    if not cert_array:
+        raise ssl.SSLError("Unable to allocate memory!")
+
+    try:
+        for der_bytes in der_certs:
+            certdata = _cf_data_from_bytes(der_bytes)
+            if not certdata:
+                raise ssl.SSLError("Unable to allocate memory!")
+            cert = Security.SecCertificateCreateWithData(
+                CoreFoundation.kCFAllocatorDefault, certdata
+            )
+            CoreFoundation.CFRelease(certdata)
+            if not cert:
+                raise ssl.SSLError("Unable to build cert object!")
+
+            CoreFoundation.CFArrayAppendValue(cert_array, cert)
+            CoreFoundation.CFRelease(cert)
+    except Exception:
+        # We need to free the array before the exception bubbles further.
+        # We only want to do that if an error occurs: otherwise, the caller
+        # should free.
+        CoreFoundation.CFRelease(cert_array)
+
+    return cert_array
+
+
+def _is_cert(item):
+    """
+    Returns True if a given CFTypeRef is a certificate.
+    """
+    expected = Security.SecCertificateGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _is_identity(item):
+    """
+    Returns True if a given CFTypeRef is an identity.
+    """
+    expected = Security.SecIdentityGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _temporary_keychain():
+    """
+    This function creates a temporary Mac keychain that we can use to work with
+    credentials. This keychain uses a one-time password and a temporary file to
+    store the data. We expect to have one keychain per socket. The returned
+    SecKeychainRef must be freed by the caller, including calling
+    SecKeychainDelete.
+
+    Returns a tuple of the SecKeychainRef and the path to the temporary
+    directory that contains it.
+    """
+    # Unfortunately, SecKeychainCreate requires a path to a keychain. This
+    # means we cannot use mkstemp to use a generic temporary file. Instead,
+    # we're going to create a temporary directory and a filename to use there.
+    # This filename will be 8 random bytes expanded into base64. We also need
+    # some random bytes to password-protect the keychain we're creating, so we
+    # ask for 40 random bytes.
+    random_bytes = os.urandom(40)
+    filename = base64.b16encode(random_bytes[:8]).decode("utf-8")
+    password = base64.b16encode(random_bytes[8:])  # Must be valid UTF-8
+    tempdirectory = tempfile.mkdtemp()
+
+    keychain_path = os.path.join(tempdirectory, filename).encode("utf-8")
+
+    # We now want to create the keychain itself.
+    keychain = Security.SecKeychainRef()
+    status = Security.SecKeychainCreate(
+        keychain_path, len(password), password, False, None, ctypes.byref(keychain)
+    )
+    _assert_no_error(status)
+
+    # Having created the keychain, we want to pass it off to the caller.
+    return keychain, tempdirectory
+
+
+def _load_items_from_file(keychain, path):
+    """
+    Given a single file, loads all the trust objects from it into arrays and
+    the keychain.
+    Returns a tuple of lists: the first list is a list of identities, the
+    second a list of certs.
+    """
+    certificates = []
+    identities = []
+    result_array = None
+
+    with open(path, "rb") as f:
+        raw_filedata = f.read()
+
+    try:
+        filedata = CoreFoundation.CFDataCreate(
+            CoreFoundation.kCFAllocatorDefault, raw_filedata, len(raw_filedata)
+        )
+        result_array = CoreFoundation.CFArrayRef()
+        result = Security.SecItemImport(
+            filedata,  # cert data
+            None,  # Filename, leaving it out for now
+            None,  # What the type of the file is, we don't care
+            None,  # what's in the file, we don't care
+            0,  # import flags
+            None,  # key params, can include passphrase in the future
+            keychain,  # The keychain to insert into
+            ctypes.byref(result_array),  # Results
+        )
+        _assert_no_error(result)
+
+        # A CFArray is not very useful to us as an intermediary
+        # representation, so we are going to extract the objects we want
+        # and then free the array. We don't need to keep hold of keys: the
+        # keychain already has them!
+        result_count = CoreFoundation.CFArrayGetCount(result_array)
+        for index in range(result_count):
+            item = CoreFoundation.CFArrayGetValueAtIndex(result_array, index)
+            item = ctypes.cast(item, CoreFoundation.CFTypeRef)
+
+            if _is_cert(item):
+                CoreFoundation.CFRetain(item)
+                certificates.append(item)
+            elif _is_identity(item):
+                CoreFoundation.CFRetain(item)
+                identities.append(item)
+    finally:
+        if result_array:
+            CoreFoundation.CFRelease(result_array)
+
+        CoreFoundation.CFRelease(filedata)
+
+    return (identities, certificates)
+
+
+def _load_client_cert_chain(keychain, *paths):
+    """
+    Load certificates and maybe keys from a number of files. Has the end goal
+    of returning a CFArray containing one SecIdentityRef, and then zero or more
+    SecCertificateRef objects, suitable for use as a client certificate trust
+    chain.
+    """
+    # Ok, the strategy.
+    #
+    # This relies on knowing that macOS will not give you a SecIdentityRef
+    # unless you have imported a key into a keychain. This is a somewhat
+    # artificial limitation of macOS (for example, it doesn't necessarily
+    # affect iOS), but there is nothing inside Security.framework that lets you
+    # get a SecIdentityRef without having a key in a keychain.
+    #
+    # So the policy here is we take all the files and iterate them in order.
+    # Each one will use SecItemImport to have one or more objects loaded from
+    # it. We will also point at a keychain that macOS can use to work with the
+    # private key.
+    #
+    # Once we have all the objects, we'll check what we actually have. If we
+    # already have a SecIdentityRef in hand, fab: we'll use that. Otherwise,
+    # we'll take the first certificate (which we assume to be our leaf) and
+    # ask the keychain to give us a SecIdentityRef with that cert's associated
+    # key.
+    #
+    # We'll then return a CFArray containing the trust chain: one
+    # SecIdentityRef and then zero-or-more SecCertificateRef objects. The
+    # responsibility for freeing this CFArray will be with the caller. This
+    # CFArray must remain alive for the entire connection, so in practice it
+    # will be stored with a single SSLSocket, along with the reference to the
+    # keychain.
+    certificates = []
+    identities = []
+
+    # Filter out bad paths.
+    paths = (path for path in paths if path)
+
+    try:
+        for file_path in paths:
+            new_identities, new_certs = _load_items_from_file(keychain, file_path)
+            identities.extend(new_identities)
+            certificates.extend(new_certs)
+
+        # Ok, we have everything. The question is: do we have an identity? If
+        # not, we want to grab one from the first cert we have.
+        if not identities:
+            new_identity = Security.SecIdentityRef()
+            status = Security.SecIdentityCreateWithCertificate(
+                keychain, certificates[0], ctypes.byref(new_identity)
+            )
+            _assert_no_error(status)
+            identities.append(new_identity)
+
+            # We now want to release the original certificate, as we no longer
+            # need it.
+            CoreFoundation.CFRelease(certificates.pop(0))
+
+        # We now need to build a new CFArray that holds the trust chain.
+        trust_chain = CoreFoundation.CFArrayCreateMutable(
+            CoreFoundation.kCFAllocatorDefault,
+            0,
+            ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+        )
+        for item in itertools.chain(identities, certificates):
+            # ArrayAppendValue does a CFRetain on the item. That's fine,
+            # because the finally block will release our other refs to them.
+            CoreFoundation.CFArrayAppendValue(trust_chain, item)
+
+        return trust_chain
+    finally:
+        for obj in itertools.chain(identities, certificates):
+            CoreFoundation.CFRelease(obj)
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/appengine.py b/venv/lib/python3.7/site-packages/urllib3/contrib/appengine.py
new file mode 100644
index 0000000..9b7044f
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/appengine.py
@@ -0,0 +1,314 @@
+"""
+This module provides a pool manager that uses Google App Engine's
+`URLFetch Service `_.
+
+Example usage::
+
+    from urllib3 import PoolManager
+    from urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox
+
+    if is_appengine_sandbox():
+        # AppEngineManager uses AppEngine's URLFetch API behind the scenes
+        http = AppEngineManager()
+    else:
+        # PoolManager uses a socket-level API behind the scenes
+        http = PoolManager()
+
+    r = http.request('GET', 'https://google.com/')
+
+There are `limitations `_ to the URLFetch service and it may not be
+the best choice for your application. There are three options for using
+urllib3 on Google App Engine:
+
+1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is
+   cost-effective in many circumstances as long as your usage is within the
+   limitations.
+2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets.
+   Sockets also have `limitations and restrictions
+   `_ and have a lower free quota than URLFetch.
+   To use sockets, be sure to specify the following in your ``app.yaml``::
+
+        env_variables:
+            GAE_USE_SOCKETS_HTTPLIB : 'true'
+
+3. If you are using `App Engine Flexible
+`_, you can use the standard
+:class:`PoolManager` without any configuration or special environment variables.
+"""
+
+from __future__ import absolute_import
+import io
+import logging
+import warnings
+from ..packages.six.moves.urllib.parse import urljoin
+
+from ..exceptions import (
+    HTTPError,
+    HTTPWarning,
+    MaxRetryError,
+    ProtocolError,
+    TimeoutError,
+    SSLError,
+)
+
+from ..request import RequestMethods
+from ..response import HTTPResponse
+from ..util.timeout import Timeout
+from ..util.retry import Retry
+from . import _appengine_environ
+
+try:
+    from google.appengine.api import urlfetch
+except ImportError:
+    urlfetch = None
+
+
+log = logging.getLogger(__name__)
+
+
+class AppEnginePlatformWarning(HTTPWarning):
+    pass
+
+
+class AppEnginePlatformError(HTTPError):
+    pass
+
+
+class AppEngineManager(RequestMethods):
+    """
+    Connection manager for Google App Engine sandbox applications.
+
+    This manager uses the URLFetch service directly instead of using the
+    emulated httplib, and is subject to URLFetch limitations as described in
+    the App Engine documentation `here
+    `_.
+
+    Notably it will raise an :class:`AppEnginePlatformError` if:
+        * URLFetch is not available.
+        * If you attempt to use this on App Engine Flexible, as full socket
+          support is available.
+        * If a request size is more than 10 megabytes.
+        * If a response size is more than 32 megabtyes.
+        * If you use an unsupported request method such as OPTIONS.
+
+    Beyond those cases, it will raise normal urllib3 errors.
+    """
+
+    def __init__(
+        self,
+        headers=None,
+        retries=None,
+        validate_certificate=True,
+        urlfetch_retries=True,
+    ):
+        if not urlfetch:
+            raise AppEnginePlatformError(
+                "URLFetch is not available in this environment."
+            )
+
+        warnings.warn(
+            "urllib3 is using URLFetch on Google App Engine sandbox instead "
+            "of sockets. To use sockets directly instead of URLFetch see "
+            "https://urllib3.readthedocs.io/en/latest/reference/urllib3.contrib.html.",
+            AppEnginePlatformWarning,
+        )
+
+        RequestMethods.__init__(self, headers)
+        self.validate_certificate = validate_certificate
+        self.urlfetch_retries = urlfetch_retries
+
+        self.retries = retries or Retry.DEFAULT
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        **response_kw
+    ):
+
+        retries = self._get_retries(retries, redirect)
+
+        try:
+            follow_redirects = redirect and retries.redirect != 0 and retries.total
+            response = urlfetch.fetch(
+                url,
+                payload=body,
+                method=method,
+                headers=headers or {},
+                allow_truncated=False,
+                follow_redirects=self.urlfetch_retries and follow_redirects,
+                deadline=self._get_absolute_timeout(timeout),
+                validate_certificate=self.validate_certificate,
+            )
+        except urlfetch.DeadlineExceededError as e:
+            raise TimeoutError(self, e)
+
+        except urlfetch.InvalidURLError as e:
+            if "too large" in str(e):
+                raise AppEnginePlatformError(
+                    "URLFetch request too large, URLFetch only "
+                    "supports requests up to 10mb in size.",
+                    e,
+                )
+            raise ProtocolError(e)
+
+        except urlfetch.DownloadError as e:
+            if "Too many redirects" in str(e):
+                raise MaxRetryError(self, url, reason=e)
+            raise ProtocolError(e)
+
+        except urlfetch.ResponseTooLargeError as e:
+            raise AppEnginePlatformError(
+                "URLFetch response too large, URLFetch only supports"
+                "responses up to 32mb in size.",
+                e,
+            )
+
+        except urlfetch.SSLCertificateError as e:
+            raise SSLError(e)
+
+        except urlfetch.InvalidMethodError as e:
+            raise AppEnginePlatformError(
+                "URLFetch does not support method: %s" % method, e
+            )
+
+        http_response = self._urlfetch_response_to_http_response(
+            response, retries=retries, **response_kw
+        )
+
+        # Handle redirect?
+        redirect_location = redirect and http_response.get_redirect_location()
+        if redirect_location:
+            # Check for redirect response
+            if self.urlfetch_retries and retries.raise_on_redirect:
+                raise MaxRetryError(self, url, "too many redirects")
+            else:
+                if http_response.status == 303:
+                    method = "GET"
+
+                try:
+                    retries = retries.increment(
+                        method, url, response=http_response, _pool=self
+                    )
+                except MaxRetryError:
+                    if retries.raise_on_redirect:
+                        raise MaxRetryError(self, url, "too many redirects")
+                    return http_response
+
+                retries.sleep_for_retry(http_response)
+                log.debug("Redirecting %s -> %s", url, redirect_location)
+                redirect_url = urljoin(url, redirect_location)
+                return self.urlopen(
+                    method,
+                    redirect_url,
+                    body,
+                    headers,
+                    retries=retries,
+                    redirect=redirect,
+                    timeout=timeout,
+                    **response_kw
+                )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(http_response.getheader("Retry-After"))
+        if retries.is_retry(method, http_response.status, has_retry_after):
+            retries = retries.increment(method, url, response=http_response, _pool=self)
+            log.debug("Retry: %s", url)
+            retries.sleep(http_response)
+            return self.urlopen(
+                method,
+                url,
+                body=body,
+                headers=headers,
+                retries=retries,
+                redirect=redirect,
+                timeout=timeout,
+                **response_kw
+            )
+
+        return http_response
+
+    def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw):
+
+        if is_prod_appengine():
+            # Production GAE handles deflate encoding automatically, but does
+            # not remove the encoding header.
+            content_encoding = urlfetch_resp.headers.get("content-encoding")
+
+            if content_encoding == "deflate":
+                del urlfetch_resp.headers["content-encoding"]
+
+        transfer_encoding = urlfetch_resp.headers.get("transfer-encoding")
+        # We have a full response's content,
+        # so let's make sure we don't report ourselves as chunked data.
+        if transfer_encoding == "chunked":
+            encodings = transfer_encoding.split(",")
+            encodings.remove("chunked")
+            urlfetch_resp.headers["transfer-encoding"] = ",".join(encodings)
+
+        original_response = HTTPResponse(
+            # In order for decoding to work, we must present the content as
+            # a file-like object.
+            body=io.BytesIO(urlfetch_resp.content),
+            msg=urlfetch_resp.header_msg,
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            **response_kw
+        )
+
+        return HTTPResponse(
+            body=io.BytesIO(urlfetch_resp.content),
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            original_response=original_response,
+            **response_kw
+        )
+
+    def _get_absolute_timeout(self, timeout):
+        if timeout is Timeout.DEFAULT_TIMEOUT:
+            return None  # Defer to URLFetch's default.
+        if isinstance(timeout, Timeout):
+            if timeout._read is not None or timeout._connect is not None:
+                warnings.warn(
+                    "URLFetch does not support granular timeout settings, "
+                    "reverting to total or default URLFetch timeout.",
+                    AppEnginePlatformWarning,
+                )
+            return timeout.total
+        return timeout
+
+    def _get_retries(self, retries, redirect):
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if retries.connect or retries.read or retries.redirect:
+            warnings.warn(
+                "URLFetch only supports total retries and does not "
+                "recognize connect, read, or redirect retry parameters.",
+                AppEnginePlatformWarning,
+            )
+
+        return retries
+
+
+# Alias methods from _appengine_environ to maintain public API interface.
+
+is_appengine = _appengine_environ.is_appengine
+is_appengine_sandbox = _appengine_environ.is_appengine_sandbox
+is_local_appengine = _appengine_environ.is_local_appengine
+is_prod_appengine = _appengine_environ.is_prod_appengine
+is_prod_appengine_mvms = _appengine_environ.is_prod_appengine_mvms
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/ntlmpool.py b/venv/lib/python3.7/site-packages/urllib3/contrib/ntlmpool.py
new file mode 100644
index 0000000..1fd242a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/ntlmpool.py
@@ -0,0 +1,121 @@
+"""
+NTLM authenticating pool, contributed by erikcederstran
+
+Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10
+"""
+from __future__ import absolute_import
+
+from logging import getLogger
+from ntlm import ntlm
+
+from .. import HTTPSConnectionPool
+from ..packages.six.moves.http_client import HTTPSConnection
+
+
+log = getLogger(__name__)
+
+
+class NTLMConnectionPool(HTTPSConnectionPool):
+    """
+    Implements an NTLM authentication version of an urllib3 connection pool
+    """
+
+    scheme = "https"
+
+    def __init__(self, user, pw, authurl, *args, **kwargs):
+        """
+        authurl is a random URL on the server that is protected by NTLM.
+        user is the Windows user, probably in the DOMAIN\\username format.
+        pw is the password for the user.
+        """
+        super(NTLMConnectionPool, self).__init__(*args, **kwargs)
+        self.authurl = authurl
+        self.rawuser = user
+        user_parts = user.split("\\", 1)
+        self.domain = user_parts[0].upper()
+        self.user = user_parts[1]
+        self.pw = pw
+
+    def _new_conn(self):
+        # Performs the NTLM handshake that secures the connection. The socket
+        # must be kept open while requests are performed.
+        self.num_connections += 1
+        log.debug(
+            "Starting NTLM HTTPS connection no. %d: https://%s%s",
+            self.num_connections,
+            self.host,
+            self.authurl,
+        )
+
+        headers = {"Connection": "Keep-Alive"}
+        req_header = "Authorization"
+        resp_header = "www-authenticate"
+
+        conn = HTTPSConnection(host=self.host, port=self.port)
+
+        # Send negotiation message
+        headers[req_header] = "NTLM %s" % ntlm.create_NTLM_NEGOTIATE_MESSAGE(
+            self.rawuser
+        )
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        reshdr = dict(res.getheaders())
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", reshdr)
+        log.debug("Response data: %s [...]", res.read(100))
+
+        # Remove the reference to the socket, so that it can not be closed by
+        # the response object (we want to keep the socket open)
+        res.fp = None
+
+        # Server should respond with a challenge message
+        auth_header_values = reshdr[resp_header].split(", ")
+        auth_header_value = None
+        for s in auth_header_values:
+            if s[:5] == "NTLM ":
+                auth_header_value = s[5:]
+        if auth_header_value is None:
+            raise Exception(
+                "Unexpected %s response header: %s" % (resp_header, reshdr[resp_header])
+            )
+
+        # Send authentication message
+        ServerChallenge, NegotiateFlags = ntlm.parse_NTLM_CHALLENGE_MESSAGE(
+            auth_header_value
+        )
+        auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(
+            ServerChallenge, self.user, self.domain, self.pw, NegotiateFlags
+        )
+        headers[req_header] = "NTLM %s" % auth_msg
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", dict(res.getheaders()))
+        log.debug("Response data: %s [...]", res.read()[:100])
+        if res.status != 200:
+            if res.status == 401:
+                raise Exception("Server rejected request: wrong username or password")
+            raise Exception("Wrong server response: %s %s" % (res.status, res.reason))
+
+        res.fp = None
+        log.debug("Connection established")
+        return conn
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=3,
+        redirect=True,
+        assert_same_host=True,
+    ):
+        if headers is None:
+            headers = {}
+        headers["Connection"] = "Keep-Alive"
+        return super(NTLMConnectionPool, self).urlopen(
+            method, url, body, headers, retries, redirect, assert_same_host
+        )
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/pyopenssl.py b/venv/lib/python3.7/site-packages/urllib3/contrib/pyopenssl.py
new file mode 100644
index 0000000..3051ef3
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/pyopenssl.py
@@ -0,0 +1,498 @@
+"""
+SSL with SNI_-support for Python 2. Follow these instructions if you would
+like to verify SSL certificates in Python 2. Note, the default libraries do
+*not* do certificate checking; you need to do additional work to validate
+certificates yourself.
+
+This needs the following packages installed:
+
+* pyOpenSSL (tested with 16.0.0)
+* cryptography (minimum 1.3.4, from pyopenssl)
+* idna (minimum 2.0, from cryptography)
+
+However, pyopenssl depends on cryptography, which depends on idna, so while we
+use all three directly here we end up having relatively few packages required.
+
+You can install them with the following command:
+
+    pip install pyopenssl cryptography idna
+
+To activate certificate checking, call
+:func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code
+before you begin making HTTP requests. This can be done in a ``sitecustomize``
+module, or at any other time before your application begins using ``urllib3``,
+like this::
+
+    try:
+        import urllib3.contrib.pyopenssl
+        urllib3.contrib.pyopenssl.inject_into_urllib3()
+    except ImportError:
+        pass
+
+Now you can use :mod:`urllib3` as you normally would, and it will support SNI
+when the required modules are installed.
+
+Activating this module also has the positive side effect of disabling SSL/TLS
+compression in Python 2 (see `CRIME attack`_).
+
+If you want to configure the default list of supported cipher suites, you can
+set the ``urllib3.contrib.pyopenssl.DEFAULT_SSL_CIPHER_LIST`` variable.
+
+.. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication
+.. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit)
+"""
+from __future__ import absolute_import
+
+import OpenSSL.SSL
+from cryptography import x509
+from cryptography.hazmat.backends.openssl import backend as openssl_backend
+from cryptography.hazmat.backends.openssl.x509 import _Certificate
+
+try:
+    from cryptography.x509 import UnsupportedExtension
+except ImportError:
+    # UnsupportedExtension is gone in cryptography >= 2.1.0
+    class UnsupportedExtension(Exception):
+        pass
+
+
+from socket import timeout, error as SocketError
+from io import BytesIO
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+import logging
+import ssl
+from ..packages import six
+import sys
+
+from .. import util
+
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works.
+HAS_SNI = True
+
+# Map from urllib3 to PyOpenSSL compatible parameter-values.
+_openssl_versions = {
+    util.PROTOCOL_TLS: OpenSSL.SSL.SSLv23_METHOD,
+    ssl.PROTOCOL_TLSv1: OpenSSL.SSL.TLSv1_METHOD,
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv3") and hasattr(OpenSSL.SSL, "SSLv3_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_SSLv3] = OpenSSL.SSL.SSLv3_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_1") and hasattr(OpenSSL.SSL, "TLSv1_1_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_1] = OpenSSL.SSL.TLSv1_1_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_2") and hasattr(OpenSSL.SSL, "TLSv1_2_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_2] = OpenSSL.SSL.TLSv1_2_METHOD
+
+
+_stdlib_to_openssl_verify = {
+    ssl.CERT_NONE: OpenSSL.SSL.VERIFY_NONE,
+    ssl.CERT_OPTIONAL: OpenSSL.SSL.VERIFY_PEER,
+    ssl.CERT_REQUIRED: OpenSSL.SSL.VERIFY_PEER
+    + OpenSSL.SSL.VERIFY_FAIL_IF_NO_PEER_CERT,
+}
+_openssl_to_stdlib_verify = dict((v, k) for k, v in _stdlib_to_openssl_verify.items())
+
+# OpenSSL will only write 16K at a time
+SSL_WRITE_BLOCKSIZE = 16384
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+
+log = logging.getLogger(__name__)
+
+
+def inject_into_urllib3():
+    "Monkey-patch urllib3 with PyOpenSSL-backed SSL-support."
+
+    _validate_dependencies_met()
+
+    util.SSLContext = PyOpenSSLContext
+    util.ssl_.SSLContext = PyOpenSSLContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_PYOPENSSL = True
+    util.ssl_.IS_PYOPENSSL = True
+
+
+def extract_from_urllib3():
+    "Undo monkey-patching by :func:`inject_into_urllib3`."
+
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_PYOPENSSL = False
+    util.ssl_.IS_PYOPENSSL = False
+
+
+def _validate_dependencies_met():
+    """
+    Verifies that PyOpenSSL's package-level dependencies have been met.
+    Throws `ImportError` if they are not met.
+    """
+    # Method added in `cryptography==1.1`; not available in older versions
+    from cryptography.x509.extensions import Extensions
+
+    if getattr(Extensions, "get_extension_for_class", None) is None:
+        raise ImportError(
+            "'cryptography' module missing required functionality.  "
+            "Try upgrading to v1.3.4 or newer."
+        )
+
+    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
+    # attribute is only present on those versions.
+    from OpenSSL.crypto import X509
+
+    x509 = X509()
+    if getattr(x509, "_x509", None) is None:
+        raise ImportError(
+            "'pyOpenSSL' module missing required functionality. "
+            "Try upgrading to v0.14 or newer."
+        )
+
+
+def _dnsname_to_stdlib(name):
+    """
+    Converts a dNSName SubjectAlternativeName field to the form used by the
+    standard library on the given Python version.
+
+    Cryptography produces a dNSName as a unicode string that was idna-decoded
+    from ASCII bytes. We need to idna-encode that string to get it back, and
+    then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib
+    uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8).
+
+    If the name cannot be idna-encoded then we return None signalling that
+    the name given should be skipped.
+    """
+
+    def idna_encode(name):
+        """
+        Borrowed wholesale from the Python Cryptography Project. It turns out
+        that we can't just safely call `idna.encode`: it can explode for
+        wildcard names. This avoids that problem.
+        """
+        import idna
+
+        try:
+            for prefix in [u"*.", u"."]:
+                if name.startswith(prefix):
+                    name = name[len(prefix) :]
+                    return prefix.encode("ascii") + idna.encode(name)
+            return idna.encode(name)
+        except idna.core.IDNAError:
+            return None
+
+    # Don't send IPv6 addresses through the IDNA encoder.
+    if ":" in name:
+        return name
+
+    name = idna_encode(name)
+    if name is None:
+        return None
+    elif sys.version_info >= (3, 0):
+        name = name.decode("utf-8")
+    return name
+
+
+def get_subj_alt_name(peer_cert):
+    """
+    Given an PyOpenSSL certificate, provides all the subject alternative names.
+    """
+    # Pass the cert to cryptography, which has much better APIs for this.
+    if hasattr(peer_cert, "to_cryptography"):
+        cert = peer_cert.to_cryptography()
+    else:
+        # This is technically using private APIs, but should work across all
+        # relevant versions before PyOpenSSL got a proper API for this.
+        cert = _Certificate(openssl_backend, peer_cert._x509)
+
+    # We want to find the SAN extension. Ask Cryptography to locate it (it's
+    # faster than looping in Python)
+    try:
+        ext = cert.extensions.get_extension_for_class(x509.SubjectAlternativeName).value
+    except x509.ExtensionNotFound:
+        # No such extension, return the empty list.
+        return []
+    except (
+        x509.DuplicateExtension,
+        UnsupportedExtension,
+        x509.UnsupportedGeneralNameType,
+        UnicodeError,
+    ) as e:
+        # A problem has been found with the quality of the certificate. Assume
+        # no SAN field is present.
+        log.warning(
+            "A problem was encountered with the certificate that prevented "
+            "urllib3 from finding the SubjectAlternativeName field. This can "
+            "affect certificate validation. The error was %s",
+            e,
+        )
+        return []
+
+    # We want to return dNSName and iPAddress fields. We need to cast the IPs
+    # back to strings because the match_hostname function wants them as
+    # strings.
+    # Sadly the DNS names need to be idna encoded and then, on Python 3, UTF-8
+    # decoded. This is pretty frustrating, but that's what the standard library
+    # does with certificates, and so we need to attempt to do the same.
+    # We also want to skip over names which cannot be idna encoded.
+    names = [
+        ("DNS", name)
+        for name in map(_dnsname_to_stdlib, ext.get_values_for_type(x509.DNSName))
+        if name is not None
+    ]
+    names.extend(
+        ("IP Address", str(name)) for name in ext.get_values_for_type(x509.IPAddress)
+    )
+
+    return names
+
+
+class WrappedSocket(object):
+    """API-compatibility wrapper for Python OpenSSL's Connection-class.
+
+    Note: _makefile_refs, _drop() and _reuse() are needed for the garbage
+    collector of pypy.
+    """
+
+    def __init__(self, connection, socket, suppress_ragged_eofs=True):
+        self.connection = connection
+        self.socket = socket
+        self.suppress_ragged_eofs = suppress_ragged_eofs
+        self._makefile_refs = 0
+        self._closed = False
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, *args, **kwargs):
+        try:
+            data = self.connection.recv(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return b""
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return b""
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+        else:
+            return data
+
+    def recv_into(self, *args, **kwargs):
+        try:
+            return self.connection.recv_into(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return 0
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return 0
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv_into(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+
+    def settimeout(self, timeout):
+        return self.socket.settimeout(timeout)
+
+    def _send_until_done(self, data):
+        while True:
+            try:
+                return self.connection.send(data)
+            except OpenSSL.SSL.WantWriteError:
+                if not util.wait_for_write(self.socket, self.socket.gettimeout()):
+                    raise timeout()
+                continue
+            except OpenSSL.SSL.SysCallError as e:
+                raise SocketError(str(e))
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self._send_until_done(
+                data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE]
+            )
+            total_sent += sent
+
+    def shutdown(self):
+        # FIXME rethrow compatible exceptions should we ever use this
+        self.connection.shutdown()
+
+    def close(self):
+        if self._makefile_refs < 1:
+            try:
+                self._closed = True
+                return self.connection.close()
+            except OpenSSL.SSL.Error:
+                return
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        x509 = self.connection.get_peer_certificate()
+
+        if not x509:
+            return x509
+
+        if binary_form:
+            return OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, x509)
+
+        return {
+            "subject": ((("commonName", x509.get_subject().CN),),),
+            "subjectAltName": get_subj_alt_name(x509),
+        }
+
+    def version(self):
+        return self.connection.get_protocol_version_name()
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+
+else:  # Platform-specific: Python 3
+    makefile = backport_makefile
+
+WrappedSocket.makefile = makefile
+
+
+class PyOpenSSLContext(object):
+    """
+    I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible
+    for translating the interface of the standard library ``SSLContext`` object
+    to calls into PyOpenSSL.
+    """
+
+    def __init__(self, protocol):
+        self.protocol = _openssl_versions[protocol]
+        self._ctx = OpenSSL.SSL.Context(self.protocol)
+        self._options = 0
+        self.check_hostname = False
+
+    @property
+    def options(self):
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        self._options = value
+        self._ctx.set_options(value)
+
+    @property
+    def verify_mode(self):
+        return _openssl_to_stdlib_verify[self._ctx.get_verify_mode()]
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._ctx.set_verify(_stdlib_to_openssl_verify[value], _verify_callback)
+
+    def set_default_verify_paths(self):
+        self._ctx.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        if isinstance(ciphers, six.text_type):
+            ciphers = ciphers.encode("utf-8")
+        self._ctx.set_cipher_list(ciphers)
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        if cafile is not None:
+            cafile = cafile.encode("utf-8")
+        if capath is not None:
+            capath = capath.encode("utf-8")
+        self._ctx.load_verify_locations(cafile, capath)
+        if cadata is not None:
+            self._ctx.load_verify_locations(BytesIO(cadata))
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._ctx.use_certificate_chain_file(certfile)
+        if password is not None:
+            if not isinstance(password, six.binary_type):
+                password = password.encode("utf-8")
+            self._ctx.set_passwd_cb(lambda *_: password)
+        self._ctx.use_privatekey_file(keyfile or certfile)
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        cnx = OpenSSL.SSL.Connection(self._ctx, sock)
+
+        if isinstance(server_hostname, six.text_type):  # Platform-specific: Python 3
+            server_hostname = server_hostname.encode("utf-8")
+
+        if server_hostname is not None:
+            cnx.set_tlsext_host_name(server_hostname)
+
+        cnx.set_connect_state()
+
+        while True:
+            try:
+                cnx.do_handshake()
+            except OpenSSL.SSL.WantReadError:
+                if not util.wait_for_read(sock, sock.gettimeout()):
+                    raise timeout("select timed out")
+                continue
+            except OpenSSL.SSL.Error as e:
+                raise ssl.SSLError("bad handshake: %r" % e)
+            break
+
+        return WrappedSocket(cnx, sock)
+
+
+def _verify_callback(cnx, x509, err_no, err_depth, return_code):
+    return err_no == 0
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/securetransport.py b/venv/lib/python3.7/site-packages/urllib3/contrib/securetransport.py
new file mode 100644
index 0000000..87d844a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/securetransport.py
@@ -0,0 +1,859 @@
+"""
+SecureTranport support for urllib3 via ctypes.
+
+This makes platform-native TLS available to urllib3 users on macOS without the
+use of a compiler. This is an important feature because the Python Package
+Index is moving to become a TLSv1.2-or-higher server, and the default OpenSSL
+that ships with macOS is not capable of doing TLSv1.2. The only way to resolve
+this is to give macOS users an alternative solution to the problem, and that
+solution is to use SecureTransport.
+
+We use ctypes here because this solution must not require a compiler. That's
+because pip is not allowed to require a compiler either.
+
+This is not intended to be a seriously long-term solution to this problem.
+The hope is that PEP 543 will eventually solve this issue for us, at which
+point we can retire this contrib module. But in the short term, we need to
+solve the impending tire fire that is Python on Mac without this kind of
+contrib module. So...here we are.
+
+To use this module, simply import and inject it::
+
+    import urllib3.contrib.securetransport
+    urllib3.contrib.securetransport.inject_into_urllib3()
+
+Happy TLSing!
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+    Copyright (c) 2015-2016 Will Bond 
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import contextlib
+import ctypes
+import errno
+import os.path
+import shutil
+import socket
+import ssl
+import threading
+import weakref
+
+from .. import util
+from ._securetransport.bindings import Security, SecurityConst, CoreFoundation
+from ._securetransport.low_level import (
+    _assert_no_error,
+    _cert_array_from_pem,
+    _temporary_keychain,
+    _load_client_cert_chain,
+)
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works
+HAS_SNI = True
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+# This dictionary is used by the read callback to obtain a handle to the
+# calling wrapped socket. This is a pretty silly approach, but for now it'll
+# do. I feel like I should be able to smuggle a handle to the wrapped socket
+# directly in the SSLConnectionRef, but for now this approach will work I
+# guess.
+#
+# We need to lock around this structure for inserts, but we don't do it for
+# reads/writes in the callbacks. The reasoning here goes as follows:
+#
+#    1. It is not possible to call into the callbacks before the dictionary is
+#       populated, so once in the callback the id must be in the dictionary.
+#    2. The callbacks don't mutate the dictionary, they only read from it, and
+#       so cannot conflict with any of the insertions.
+#
+# This is good: if we had to lock in the callbacks we'd drastically slow down
+# the performance of this code.
+_connection_refs = weakref.WeakValueDictionary()
+_connection_ref_lock = threading.Lock()
+
+# Limit writes to 16kB. This is OpenSSL's limit, but we'll cargo-cult it over
+# for no better reason than we need *a* limit, and this one is right there.
+SSL_WRITE_BLOCKSIZE = 16384
+
+# This is our equivalent of util.ssl_.DEFAULT_CIPHERS, but expanded out to
+# individual cipher suites. We need to do this because this is how
+# SecureTransport wants them.
+CIPHER_SUITES = [
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_AES_256_GCM_SHA384,
+    SecurityConst.TLS_AES_128_GCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_AES_128_CCM_8_SHA256,
+    SecurityConst.TLS_AES_128_CCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA,
+]
+
+# Basically this is simple: for PROTOCOL_SSLv23 we turn it into a low of
+# TLSv1 and a high of TLSv1.2. For everything else, we pin to that version.
+# TLSv1 to 1.2 are supported on macOS 10.8+
+_protocol_to_min_max = {
+    util.PROTOCOL_TLS: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12)
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv2"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv2] = (
+        SecurityConst.kSSLProtocol2,
+        SecurityConst.kSSLProtocol2,
+    )
+if hasattr(ssl, "PROTOCOL_SSLv3"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv3] = (
+        SecurityConst.kSSLProtocol3,
+        SecurityConst.kSSLProtocol3,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1] = (
+        SecurityConst.kTLSProtocol1,
+        SecurityConst.kTLSProtocol1,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_1] = (
+        SecurityConst.kTLSProtocol11,
+        SecurityConst.kTLSProtocol11,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_2"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_2] = (
+        SecurityConst.kTLSProtocol12,
+        SecurityConst.kTLSProtocol12,
+    )
+
+
+def inject_into_urllib3():
+    """
+    Monkey-patch urllib3 with SecureTransport-backed SSL-support.
+    """
+    util.SSLContext = SecureTransportContext
+    util.ssl_.SSLContext = SecureTransportContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_SECURETRANSPORT = True
+    util.ssl_.IS_SECURETRANSPORT = True
+
+
+def extract_from_urllib3():
+    """
+    Undo monkey-patching by :func:`inject_into_urllib3`.
+    """
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_SECURETRANSPORT = False
+    util.ssl_.IS_SECURETRANSPORT = False
+
+
+def _read_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport read callback. This is called by ST to request that data
+    be returned from the socket.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        requested_length = data_length_pointer[0]
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        read_count = 0
+
+        try:
+            while read_count < requested_length:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_read(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+
+                remaining = requested_length - read_count
+                buffer = (ctypes.c_char * remaining).from_address(
+                    data_buffer + read_count
+                )
+                chunk_size = base_socket.recv_into(buffer, remaining)
+                read_count += chunk_size
+                if not chunk_size:
+                    if not read_count:
+                        return SecurityConst.errSSLClosedGraceful
+                    break
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = read_count
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = read_count
+
+        if read_count != requested_length:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+def _write_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport write callback. This is called by ST to request that data
+    actually be sent on the network.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        bytes_to_write = data_length_pointer[0]
+        data = ctypes.string_at(data_buffer, bytes_to_write)
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        sent = 0
+
+        try:
+            while sent < bytes_to_write:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_write(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+                chunk_sent = base_socket.send(data)
+                sent += chunk_sent
+
+                # This has some needless copying here, but I'm not sure there's
+                # much value in optimising this data path.
+                data = data[chunk_sent:]
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = sent
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = sent
+
+        if sent != bytes_to_write:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+# We need to keep these two objects references alive: if they get GC'd while
+# in use then SecureTransport could attempt to call a function that is in freed
+# memory. That would be...uh...bad. Yeah, that's the word. Bad.
+_read_callback_pointer = Security.SSLReadFunc(_read_callback)
+_write_callback_pointer = Security.SSLWriteFunc(_write_callback)
+
+
+class WrappedSocket(object):
+    """
+    API-compatibility wrapper for Python's OpenSSL wrapped socket object.
+
+    Note: _makefile_refs, _drop(), and _reuse() are needed for the garbage
+    collector of PyPy.
+    """
+
+    def __init__(self, socket):
+        self.socket = socket
+        self.context = None
+        self._makefile_refs = 0
+        self._closed = False
+        self._exception = None
+        self._keychain = None
+        self._keychain_dir = None
+        self._client_cert_chain = None
+
+        # We save off the previously-configured timeout and then set it to
+        # zero. This is done because we use select and friends to handle the
+        # timeouts, but if we leave the timeout set on the lower socket then
+        # Python will "kindly" call select on that socket again for us. Avoid
+        # that by forcing the timeout to zero.
+        self._timeout = self.socket.gettimeout()
+        self.socket.settimeout(0)
+
+    @contextlib.contextmanager
+    def _raise_on_error(self):
+        """
+        A context manager that can be used to wrap calls that do I/O from
+        SecureTransport. If any of the I/O callbacks hit an exception, this
+        context manager will correctly propagate the exception after the fact.
+        This avoids silently swallowing those exceptions.
+
+        It also correctly forces the socket closed.
+        """
+        self._exception = None
+
+        # We explicitly don't catch around this yield because in the unlikely
+        # event that an exception was hit in the block we don't want to swallow
+        # it.
+        yield
+        if self._exception is not None:
+            exception, self._exception = self._exception, None
+            self.close()
+            raise exception
+
+    def _set_ciphers(self):
+        """
+        Sets up the allowed ciphers. By default this matches the set in
+        util.ssl_.DEFAULT_CIPHERS, at least as supported by macOS. This is done
+        custom and doesn't allow changing at this time, mostly because parsing
+        OpenSSL cipher strings is going to be a freaking nightmare.
+        """
+        ciphers = (Security.SSLCipherSuite * len(CIPHER_SUITES))(*CIPHER_SUITES)
+        result = Security.SSLSetEnabledCiphers(
+            self.context, ciphers, len(CIPHER_SUITES)
+        )
+        _assert_no_error(result)
+
+    def _custom_validate(self, verify, trust_bundle):
+        """
+        Called when we have set custom validation. We do this in two cases:
+        first, when cert validation is entirely disabled; and second, when
+        using a custom trust DB.
+        """
+        # If we disabled cert validation, just say: cool.
+        if not verify:
+            return
+
+        # We want data in memory, so load it up.
+        if os.path.isfile(trust_bundle):
+            with open(trust_bundle, "rb") as f:
+                trust_bundle = f.read()
+
+        cert_array = None
+        trust = Security.SecTrustRef()
+
+        try:
+            # Get a CFArray that contains the certs we want.
+            cert_array = _cert_array_from_pem(trust_bundle)
+
+            # Ok, now the hard part. We want to get the SecTrustRef that ST has
+            # created for this connection, shove our CAs into it, tell ST to
+            # ignore everything else it knows, and then ask if it can build a
+            # chain. This is a buuuunch of code.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                raise ssl.SSLError("Failed to copy trust reference")
+
+            result = Security.SecTrustSetAnchorCertificates(trust, cert_array)
+            _assert_no_error(result)
+
+            result = Security.SecTrustSetAnchorCertificatesOnly(trust, True)
+            _assert_no_error(result)
+
+            trust_result = Security.SecTrustResultType()
+            result = Security.SecTrustEvaluate(trust, ctypes.byref(trust_result))
+            _assert_no_error(result)
+        finally:
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+            if cert_array is not None:
+                CoreFoundation.CFRelease(cert_array)
+
+        # Ok, now we can look at what the result was.
+        successes = (
+            SecurityConst.kSecTrustResultUnspecified,
+            SecurityConst.kSecTrustResultProceed,
+        )
+        if trust_result.value not in successes:
+            raise ssl.SSLError(
+                "certificate verify failed, error code: %d" % trust_result.value
+            )
+
+    def handshake(
+        self,
+        server_hostname,
+        verify,
+        trust_bundle,
+        min_version,
+        max_version,
+        client_cert,
+        client_key,
+        client_key_passphrase,
+    ):
+        """
+        Actually performs the TLS handshake. This is run automatically by
+        wrapped socket, and shouldn't be needed in user code.
+        """
+        # First, we do the initial bits of connection setup. We need to create
+        # a context, set its I/O funcs, and set the connection reference.
+        self.context = Security.SSLCreateContext(
+            None, SecurityConst.kSSLClientSide, SecurityConst.kSSLStreamType
+        )
+        result = Security.SSLSetIOFuncs(
+            self.context, _read_callback_pointer, _write_callback_pointer
+        )
+        _assert_no_error(result)
+
+        # Here we need to compute the handle to use. We do this by taking the
+        # id of self modulo 2**31 - 1. If this is already in the dictionary, we
+        # just keep incrementing by one until we find a free space.
+        with _connection_ref_lock:
+            handle = id(self) % 2147483647
+            while handle in _connection_refs:
+                handle = (handle + 1) % 2147483647
+            _connection_refs[handle] = self
+
+        result = Security.SSLSetConnection(self.context, handle)
+        _assert_no_error(result)
+
+        # If we have a server hostname, we should set that too.
+        if server_hostname:
+            if not isinstance(server_hostname, bytes):
+                server_hostname = server_hostname.encode("utf-8")
+
+            result = Security.SSLSetPeerDomainName(
+                self.context, server_hostname, len(server_hostname)
+            )
+            _assert_no_error(result)
+
+        # Setup the ciphers.
+        self._set_ciphers()
+
+        # Set the minimum and maximum TLS versions.
+        result = Security.SSLSetProtocolVersionMin(self.context, min_version)
+        _assert_no_error(result)
+
+        result = Security.SSLSetProtocolVersionMax(self.context, max_version)
+        _assert_no_error(result)
+
+        # If there's a trust DB, we need to use it. We do that by telling
+        # SecureTransport to break on server auth. We also do that if we don't
+        # want to validate the certs at all: we just won't actually do any
+        # authing in that case.
+        if not verify or trust_bundle is not None:
+            result = Security.SSLSetSessionOption(
+                self.context, SecurityConst.kSSLSessionOptionBreakOnServerAuth, True
+            )
+            _assert_no_error(result)
+
+        # If there's a client cert, we need to use it.
+        if client_cert:
+            self._keychain, self._keychain_dir = _temporary_keychain()
+            self._client_cert_chain = _load_client_cert_chain(
+                self._keychain, client_cert, client_key
+            )
+            result = Security.SSLSetCertificate(self.context, self._client_cert_chain)
+            _assert_no_error(result)
+
+        while True:
+            with self._raise_on_error():
+                result = Security.SSLHandshake(self.context)
+
+                if result == SecurityConst.errSSLWouldBlock:
+                    raise socket.timeout("handshake timed out")
+                elif result == SecurityConst.errSSLServerAuthCompleted:
+                    self._custom_validate(verify, trust_bundle)
+                    continue
+                else:
+                    _assert_no_error(result)
+                    break
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, bufsiz):
+        buffer = ctypes.create_string_buffer(bufsiz)
+        bytes_read = self.recv_into(buffer, bufsiz)
+        data = buffer[:bytes_read]
+        return data
+
+    def recv_into(self, buffer, nbytes=None):
+        # Read short on EOF.
+        if self._closed:
+            return 0
+
+        if nbytes is None:
+            nbytes = len(buffer)
+
+        buffer = (ctypes.c_char * nbytes).from_buffer(buffer)
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLRead(
+                self.context, buffer, nbytes, ctypes.byref(processed_bytes)
+            )
+
+        # There are some result codes that we want to treat as "not always
+        # errors". Specifically, those are errSSLWouldBlock,
+        # errSSLClosedGraceful, and errSSLClosedNoNotify.
+        if result == SecurityConst.errSSLWouldBlock:
+            # If we didn't process any bytes, then this was just a time out.
+            # However, we can get errSSLWouldBlock in situations when we *did*
+            # read some data, and in those cases we should just read "short"
+            # and return.
+            if processed_bytes.value == 0:
+                # Timed out, no data read.
+                raise socket.timeout("recv timed out")
+        elif result in (
+            SecurityConst.errSSLClosedGraceful,
+            SecurityConst.errSSLClosedNoNotify,
+        ):
+            # The remote peer has closed this connection. We should do so as
+            # well. Note that we don't actually return here because in
+            # principle this could actually be fired along with return data.
+            # It's unlikely though.
+            self.close()
+        else:
+            _assert_no_error(result)
+
+        # Ok, we read and probably succeeded. We should return whatever data
+        # was actually read.
+        return processed_bytes.value
+
+    def settimeout(self, timeout):
+        self._timeout = timeout
+
+    def gettimeout(self):
+        return self._timeout
+
+    def send(self, data):
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLWrite(
+                self.context, data, len(data), ctypes.byref(processed_bytes)
+            )
+
+        if result == SecurityConst.errSSLWouldBlock and processed_bytes.value == 0:
+            # Timed out
+            raise socket.timeout("send timed out")
+        else:
+            _assert_no_error(result)
+
+        # We sent, and probably succeeded. Tell them how much we sent.
+        return processed_bytes.value
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self.send(data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE])
+            total_sent += sent
+
+    def shutdown(self):
+        with self._raise_on_error():
+            Security.SSLClose(self.context)
+
+    def close(self):
+        # TODO: should I do clean shutdown here? Do I have to?
+        if self._makefile_refs < 1:
+            self._closed = True
+            if self.context:
+                CoreFoundation.CFRelease(self.context)
+                self.context = None
+            if self._client_cert_chain:
+                CoreFoundation.CFRelease(self._client_cert_chain)
+                self._client_cert_chain = None
+            if self._keychain:
+                Security.SecKeychainDelete(self._keychain)
+                CoreFoundation.CFRelease(self._keychain)
+                shutil.rmtree(self._keychain_dir)
+                self._keychain = self._keychain_dir = None
+            return self.socket.close()
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        # Urgh, annoying.
+        #
+        # Here's how we do this:
+        #
+        # 1. Call SSLCopyPeerTrust to get hold of the trust object for this
+        #    connection.
+        # 2. Call SecTrustGetCertificateAtIndex for index 0 to get the leaf.
+        # 3. To get the CN, call SecCertificateCopyCommonName and process that
+        #    string so that it's of the appropriate type.
+        # 4. To get the SAN, we need to do something a bit more complex:
+        #    a. Call SecCertificateCopyValues to get the data, requesting
+        #       kSecOIDSubjectAltName.
+        #    b. Mess about with this dictionary to try to get the SANs out.
+        #
+        # This is gross. Really gross. It's going to be a few hundred LoC extra
+        # just to repeat something that SecureTransport can *already do*. So my
+        # operating assumption at this time is that what we want to do is
+        # instead to just flag to urllib3 that it shouldn't do its own hostname
+        # validation when using SecureTransport.
+        if not binary_form:
+            raise ValueError("SecureTransport only supports dumping binary certs")
+        trust = Security.SecTrustRef()
+        certdata = None
+        der_bytes = None
+
+        try:
+            # Grab the trust store.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                # Probably we haven't done the handshake yet. No biggie.
+                return None
+
+            cert_count = Security.SecTrustGetCertificateCount(trust)
+            if not cert_count:
+                # Also a case that might happen if we haven't handshaked.
+                # Handshook? Handshaken?
+                return None
+
+            leaf = Security.SecTrustGetCertificateAtIndex(trust, 0)
+            assert leaf
+
+            # Ok, now we want the DER bytes.
+            certdata = Security.SecCertificateCopyData(leaf)
+            assert certdata
+
+            data_length = CoreFoundation.CFDataGetLength(certdata)
+            data_buffer = CoreFoundation.CFDataGetBytePtr(certdata)
+            der_bytes = ctypes.string_at(data_buffer, data_length)
+        finally:
+            if certdata:
+                CoreFoundation.CFRelease(certdata)
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+        return der_bytes
+
+    def version(self):
+        protocol = Security.SSLProtocol()
+        result = Security.SSLGetNegotiatedProtocolVersion(
+            self.context, ctypes.byref(protocol)
+        )
+        _assert_no_error(result)
+        if protocol.value == SecurityConst.kTLSProtocol13:
+            raise ssl.SSLError("SecureTransport does not support TLS 1.3")
+        elif protocol.value == SecurityConst.kTLSProtocol12:
+            return "TLSv1.2"
+        elif protocol.value == SecurityConst.kTLSProtocol11:
+            return "TLSv1.1"
+        elif protocol.value == SecurityConst.kTLSProtocol1:
+            return "TLSv1"
+        elif protocol.value == SecurityConst.kSSLProtocol3:
+            return "SSLv3"
+        elif protocol.value == SecurityConst.kSSLProtocol2:
+            return "SSLv2"
+        else:
+            raise ssl.SSLError("Unknown TLS version: %r" % protocol)
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+
+else:  # Platform-specific: Python 3
+
+    def makefile(self, mode="r", buffering=None, *args, **kwargs):
+        # We disable buffering with SecureTransport because it conflicts with
+        # the buffering that ST does internally (see issue #1153 for more).
+        buffering = 0
+        return backport_makefile(self, mode, buffering, *args, **kwargs)
+
+
+WrappedSocket.makefile = makefile
+
+
+class SecureTransportContext(object):
+    """
+    I am a wrapper class for the SecureTransport library, to translate the
+    interface of the standard library ``SSLContext`` object to calls into
+    SecureTransport.
+    """
+
+    def __init__(self, protocol):
+        self._min_version, self._max_version = _protocol_to_min_max[protocol]
+        self._options = 0
+        self._verify = False
+        self._trust_bundle = None
+        self._client_cert = None
+        self._client_key = None
+        self._client_key_passphrase = None
+
+    @property
+    def check_hostname(self):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        return True
+
+    @check_hostname.setter
+    def check_hostname(self, value):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        pass
+
+    @property
+    def options(self):
+        # TODO: Well, crap.
+        #
+        # So this is the bit of the code that is the most likely to cause us
+        # trouble. Essentially we need to enumerate all of the SSL options that
+        # users might want to use and try to see if we can sensibly translate
+        # them, or whether we should just ignore them.
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        # TODO: Update in line with above.
+        self._options = value
+
+    @property
+    def verify_mode(self):
+        return ssl.CERT_REQUIRED if self._verify else ssl.CERT_NONE
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._verify = True if value == ssl.CERT_REQUIRED else False
+
+    def set_default_verify_paths(self):
+        # So, this has to do something a bit weird. Specifically, what it does
+        # is nothing.
+        #
+        # This means that, if we had previously had load_verify_locations
+        # called, this does not undo that. We need to do that because it turns
+        # out that the rest of the urllib3 code will attempt to load the
+        # default verify paths if it hasn't been told about any paths, even if
+        # the context itself was sometime earlier. We resolve that by just
+        # ignoring it.
+        pass
+
+    def load_default_certs(self):
+        return self.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        # For now, we just require the default cipher string.
+        if ciphers != util.ssl_.DEFAULT_CIPHERS:
+            raise ValueError("SecureTransport doesn't support custom cipher strings")
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        # OK, we only really support cadata and cafile.
+        if capath is not None:
+            raise ValueError("SecureTransport does not support cert directories")
+
+        self._trust_bundle = cafile or cadata
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._client_cert = certfile
+        self._client_key = keyfile
+        self._client_cert_passphrase = password
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        # So, what do we do here? Firstly, we assert some properties. This is a
+        # stripped down shim, so there is some functionality we don't support.
+        # See PEP 543 for the real deal.
+        assert not server_side
+        assert do_handshake_on_connect
+        assert suppress_ragged_eofs
+
+        # Ok, we're good to go. Now we want to create the wrapped socket object
+        # and store it in the appropriate place.
+        wrapped_socket = WrappedSocket(sock)
+
+        # Now we can handshake
+        wrapped_socket.handshake(
+            server_hostname,
+            self._verify,
+            self._trust_bundle,
+            self._min_version,
+            self._max_version,
+            self._client_cert,
+            self._client_key,
+            self._client_key_passphrase,
+        )
+        return wrapped_socket
diff --git a/venv/lib/python3.7/site-packages/urllib3/contrib/socks.py b/venv/lib/python3.7/site-packages/urllib3/contrib/socks.py
new file mode 100644
index 0000000..9e97f7a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/contrib/socks.py
@@ -0,0 +1,210 @@
+# -*- coding: utf-8 -*-
+"""
+This module contains provisional support for SOCKS proxies from within
+urllib3. This module supports SOCKS4, SOCKS4A (an extension of SOCKS4), and
+SOCKS5. To enable its functionality, either install PySocks or install this
+module with the ``socks`` extra.
+
+The SOCKS implementation supports the full range of urllib3 features. It also
+supports the following SOCKS features:
+
+- SOCKS4A (``proxy_url='socks4a://...``)
+- SOCKS4 (``proxy_url='socks4://...``)
+- SOCKS5 with remote DNS (``proxy_url='socks5h://...``)
+- SOCKS5 with local DNS (``proxy_url='socks5://...``)
+- Usernames and passwords for the SOCKS proxy
+
+ .. note::
+    It is recommended to use ``socks5h://`` or ``socks4a://`` schemes in
+    your ``proxy_url`` to ensure that DNS resolution is done from the remote
+    server instead of client-side when connecting to a domain name.
+
+SOCKS4 supports IPv4 and domain names with the SOCKS4A extension. SOCKS5
+supports IPv4, IPv6, and domain names.
+
+When connecting to a SOCKS4 proxy the ``username`` portion of the ``proxy_url``
+will be sent as the ``userid`` section of the SOCKS request::
+
+    proxy_url="socks4a://@proxy-host"
+
+When connecting to a SOCKS5 proxy the ``username`` and ``password`` portion
+of the ``proxy_url`` will be sent as the username/password to authenticate
+with the proxy::
+
+    proxy_url="socks5h://:@proxy-host"
+
+"""
+from __future__ import absolute_import
+
+try:
+    import socks
+except ImportError:
+    import warnings
+    from ..exceptions import DependencyWarning
+
+    warnings.warn(
+        (
+            "SOCKS support in urllib3 requires the installation of optional "
+            "dependencies: specifically, PySocks.  For more information, see "
+            "https://urllib3.readthedocs.io/en/latest/contrib.html#socks-proxies"
+        ),
+        DependencyWarning,
+    )
+    raise
+
+from socket import error as SocketError, timeout as SocketTimeout
+
+from ..connection import HTTPConnection, HTTPSConnection
+from ..connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from ..exceptions import ConnectTimeoutError, NewConnectionError
+from ..poolmanager import PoolManager
+from ..util.url import parse_url
+
+try:
+    import ssl
+except ImportError:
+    ssl = None
+
+
+class SOCKSConnection(HTTPConnection):
+    """
+    A plain-text HTTP connection that connects via a SOCKS proxy.
+    """
+
+    def __init__(self, *args, **kwargs):
+        self._socks_options = kwargs.pop("_socks_options")
+        super(SOCKSConnection, self).__init__(*args, **kwargs)
+
+    def _new_conn(self):
+        """
+        Establish a new connection via the SOCKS proxy.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = socks.create_connection(
+                (self.host, self.port),
+                proxy_type=self._socks_options["socks_version"],
+                proxy_addr=self._socks_options["proxy_host"],
+                proxy_port=self._socks_options["proxy_port"],
+                proxy_username=self._socks_options["username"],
+                proxy_password=self._socks_options["password"],
+                proxy_rdns=self._socks_options["rdns"],
+                timeout=self.timeout,
+                **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except socks.ProxyError as e:
+            # This is fragile as hell, but it seems to be the only way to raise
+            # useful errors here.
+            if e.socket_err:
+                error = e.socket_err
+                if isinstance(error, SocketTimeout):
+                    raise ConnectTimeoutError(
+                        self,
+                        "Connection to %s timed out. (connect timeout=%s)"
+                        % (self.host, self.timeout),
+                    )
+                else:
+                    raise NewConnectionError(
+                        self, "Failed to establish a new connection: %s" % error
+                    )
+            else:
+                raise NewConnectionError(
+                    self, "Failed to establish a new connection: %s" % e
+                )
+
+        except SocketError as e:  # Defensive: PySocks should catch all these.
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+
+# We don't need to duplicate the Verified/Unverified distinction from
+# urllib3/connection.py here because the HTTPSConnection will already have been
+# correctly set to either the Verified or Unverified form by that module. This
+# means the SOCKSHTTPSConnection will automatically be the correct type.
+class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection):
+    pass
+
+
+class SOCKSHTTPConnectionPool(HTTPConnectionPool):
+    ConnectionCls = SOCKSConnection
+
+
+class SOCKSHTTPSConnectionPool(HTTPSConnectionPool):
+    ConnectionCls = SOCKSHTTPSConnection
+
+
+class SOCKSProxyManager(PoolManager):
+    """
+    A version of the urllib3 ProxyManager that routes connections via the
+    defined SOCKS proxy.
+    """
+
+    pool_classes_by_scheme = {
+        "http": SOCKSHTTPConnectionPool,
+        "https": SOCKSHTTPSConnectionPool,
+    }
+
+    def __init__(
+        self,
+        proxy_url,
+        username=None,
+        password=None,
+        num_pools=10,
+        headers=None,
+        **connection_pool_kw
+    ):
+        parsed = parse_url(proxy_url)
+
+        if username is None and password is None and parsed.auth is not None:
+            split = parsed.auth.split(":")
+            if len(split) == 2:
+                username, password = split
+        if parsed.scheme == "socks5":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = False
+        elif parsed.scheme == "socks5h":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = True
+        elif parsed.scheme == "socks4":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = False
+        elif parsed.scheme == "socks4a":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = True
+        else:
+            raise ValueError("Unable to determine SOCKS version from %s" % proxy_url)
+
+        self.proxy_url = proxy_url
+
+        socks_options = {
+            "socks_version": socks_version,
+            "proxy_host": parsed.host,
+            "proxy_port": parsed.port,
+            "username": username,
+            "password": password,
+            "rdns": rdns,
+        }
+        connection_pool_kw["_socks_options"] = socks_options
+
+        super(SOCKSProxyManager, self).__init__(
+            num_pools, headers, **connection_pool_kw
+        )
+
+        self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme
diff --git a/venv/lib/python3.7/site-packages/urllib3/exceptions.py b/venv/lib/python3.7/site-packages/urllib3/exceptions.py
new file mode 100644
index 0000000..0a74c79
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/exceptions.py
@@ -0,0 +1,255 @@
+from __future__ import absolute_import
+from .packages.six.moves.http_client import IncompleteRead as httplib_IncompleteRead
+
+# Base Exceptions
+
+
+class HTTPError(Exception):
+    "Base exception used by this module."
+    pass
+
+
+class HTTPWarning(Warning):
+    "Base warning used by this module."
+    pass
+
+
+class PoolError(HTTPError):
+    "Base exception for errors caused within a pool."
+
+    def __init__(self, pool, message):
+        self.pool = pool
+        HTTPError.__init__(self, "%s: %s" % (pool, message))
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, None)
+
+
+class RequestError(PoolError):
+    "Base exception for PoolErrors that have associated URLs."
+
+    def __init__(self, pool, url, message):
+        self.url = url
+        PoolError.__init__(self, pool, message)
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, self.url, None)
+
+
+class SSLError(HTTPError):
+    "Raised when SSL certificate fails in an HTTPS connection."
+    pass
+
+
+class ProxyError(HTTPError):
+    "Raised when the connection to a proxy fails."
+    pass
+
+
+class DecodeError(HTTPError):
+    "Raised when automatic decoding based on Content-Type fails."
+    pass
+
+
+class ProtocolError(HTTPError):
+    "Raised when something unexpected happens mid-request/response."
+    pass
+
+
+#: Renamed to ProtocolError but aliased for backwards compatibility.
+ConnectionError = ProtocolError
+
+
+# Leaf Exceptions
+
+
+class MaxRetryError(RequestError):
+    """Raised when the maximum number of retries is exceeded.
+
+    :param pool: The connection pool
+    :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
+    :param string url: The requested Url
+    :param exceptions.Exception reason: The underlying error
+
+    """
+
+    def __init__(self, pool, url, reason=None):
+        self.reason = reason
+
+        message = "Max retries exceeded with url: %s (Caused by %r)" % (url, reason)
+
+        RequestError.__init__(self, pool, url, message)
+
+
+class HostChangedError(RequestError):
+    "Raised when an existing pool gets a request for a foreign host."
+
+    def __init__(self, pool, url, retries=3):
+        message = "Tried to open a foreign host with url: %s" % url
+        RequestError.__init__(self, pool, url, message)
+        self.retries = retries
+
+
+class TimeoutStateError(HTTPError):
+    """ Raised when passing an invalid state to a timeout """
+
+    pass
+
+
+class TimeoutError(HTTPError):
+    """ Raised when a socket timeout error occurs.
+
+    Catching this error will catch both :exc:`ReadTimeoutErrors
+    ` and :exc:`ConnectTimeoutErrors `.
+    """
+
+    pass
+
+
+class ReadTimeoutError(TimeoutError, RequestError):
+    "Raised when a socket timeout occurs while receiving data from a server"
+    pass
+
+
+# This timeout error does not have a URL attached and needs to inherit from the
+# base HTTPError
+class ConnectTimeoutError(TimeoutError):
+    "Raised when a socket timeout occurs while connecting to a server"
+    pass
+
+
+class NewConnectionError(ConnectTimeoutError, PoolError):
+    "Raised when we fail to establish a new connection. Usually ECONNREFUSED."
+    pass
+
+
+class EmptyPoolError(PoolError):
+    "Raised when a pool runs out of connections and no more are allowed."
+    pass
+
+
+class ClosedPoolError(PoolError):
+    "Raised when a request enters a pool after the pool has been closed."
+    pass
+
+
+class LocationValueError(ValueError, HTTPError):
+    "Raised when there is something wrong with a given URL input."
+    pass
+
+
+class LocationParseError(LocationValueError):
+    "Raised when get_host or similar fails to parse the URL input."
+
+    def __init__(self, location):
+        message = "Failed to parse: %s" % location
+        HTTPError.__init__(self, message)
+
+        self.location = location
+
+
+class ResponseError(HTTPError):
+    "Used as a container for an error reason supplied in a MaxRetryError."
+    GENERIC_ERROR = "too many error responses"
+    SPECIFIC_ERROR = "too many {status_code} error responses"
+
+
+class SecurityWarning(HTTPWarning):
+    "Warned when performing security reducing actions"
+    pass
+
+
+class SubjectAltNameWarning(SecurityWarning):
+    "Warned when connecting to a host with a certificate missing a SAN."
+    pass
+
+
+class InsecureRequestWarning(SecurityWarning):
+    "Warned when making an unverified HTTPS request."
+    pass
+
+
+class SystemTimeWarning(SecurityWarning):
+    "Warned when system time is suspected to be wrong"
+    pass
+
+
+class InsecurePlatformWarning(SecurityWarning):
+    "Warned when certain SSL configuration is not available on a platform."
+    pass
+
+
+class SNIMissingWarning(HTTPWarning):
+    "Warned when making a HTTPS request without SNI available."
+    pass
+
+
+class DependencyWarning(HTTPWarning):
+    """
+    Warned when an attempt is made to import a module with missing optional
+    dependencies.
+    """
+
+    pass
+
+
+class ResponseNotChunked(ProtocolError, ValueError):
+    "Response needs to be chunked in order to read it as chunks."
+    pass
+
+
+class BodyNotHttplibCompatible(HTTPError):
+    """
+    Body should be httplib.HTTPResponse like (have an fp attribute which
+    returns raw chunks) for read_chunked().
+    """
+
+    pass
+
+
+class IncompleteRead(HTTPError, httplib_IncompleteRead):
+    """
+    Response length doesn't match expected Content-Length
+
+    Subclass of http_client.IncompleteRead to allow int value
+    for `partial` to avoid creating large objects on streamed
+    reads.
+    """
+
+    def __init__(self, partial, expected):
+        super(IncompleteRead, self).__init__(partial, expected)
+
+    def __repr__(self):
+        return "IncompleteRead(%i bytes read, %i more expected)" % (
+            self.partial,
+            self.expected,
+        )
+
+
+class InvalidHeader(HTTPError):
+    "The header provided was somehow invalid."
+    pass
+
+
+class ProxySchemeUnknown(AssertionError, ValueError):
+    "ProxyManager does not support the supplied scheme"
+    # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
+
+    def __init__(self, scheme):
+        message = "Not supported proxy scheme %s" % scheme
+        super(ProxySchemeUnknown, self).__init__(message)
+
+
+class HeaderParsingError(HTTPError):
+    "Raised by assert_header_parsing, but we convert it to a log.warning statement."
+
+    def __init__(self, defects, unparsed_data):
+        message = "%s, unparsed data: %r" % (defects or "Unknown", unparsed_data)
+        super(HeaderParsingError, self).__init__(message)
+
+
+class UnrewindableBodyError(HTTPError):
+    "urllib3 encountered an error when trying to rewind a body"
+    pass
diff --git a/venv/lib/python3.7/site-packages/urllib3/fields.py b/venv/lib/python3.7/site-packages/urllib3/fields.py
new file mode 100644
index 0000000..8715b22
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/fields.py
@@ -0,0 +1,273 @@
+from __future__ import absolute_import
+import email.utils
+import mimetypes
+import re
+
+from .packages import six
+
+
+def guess_content_type(filename, default="application/octet-stream"):
+    """
+    Guess the "Content-Type" of a file.
+
+    :param filename:
+        The filename to guess the "Content-Type" of using :mod:`mimetypes`.
+    :param default:
+        If no "Content-Type" can be guessed, default to `default`.
+    """
+    if filename:
+        return mimetypes.guess_type(filename)[0] or default
+    return default
+
+
+def format_header_param_rfc2231(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    strategy defined in RFC 2231.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows RFC 2388 Section 4.4.
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        An RFC-2231-formatted unicode string.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    if not any(ch in value for ch in '"\\\r\n'):
+        result = u'%s="%s"' % (name, value)
+        try:
+            result.encode("ascii")
+        except (UnicodeEncodeError, UnicodeDecodeError):
+            pass
+        else:
+            return result
+
+    if six.PY2:  # Python 2:
+        value = value.encode("utf-8")
+
+    # encode_rfc2231 accepts an encoded string and returns an ascii-encoded
+    # string in Python 2 but accepts and returns unicode strings in Python 3
+    value = email.utils.encode_rfc2231(value, "utf-8")
+    value = "%s*=%s" % (name, value)
+
+    if six.PY2:  # Python 2:
+        value = value.decode("utf-8")
+
+    return value
+
+
+_HTML5_REPLACEMENTS = {
+    u"\u0022": u"%22",
+    # Replace "\" with "\\".
+    u"\u005C": u"\u005C\u005C",
+    u"\u005C": u"\u005C\u005C",
+}
+
+# All control characters from 0x00 to 0x1F *except* 0x1B.
+_HTML5_REPLACEMENTS.update(
+    {
+        six.unichr(cc): u"%{:02X}".format(cc)
+        for cc in range(0x00, 0x1F + 1)
+        if cc not in (0x1B,)
+    }
+)
+
+
+def _replace_multiple(value, needles_and_replacements):
+    def replacer(match):
+        return needles_and_replacements[match.group(0)]
+
+    pattern = re.compile(
+        r"|".join([re.escape(needle) for needle in needles_and_replacements.keys()])
+    )
+
+    result = pattern.sub(replacer, value)
+
+    return result
+
+
+def format_header_param_html5(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    HTML5 strategy.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows the `HTML5 Working Draft
+    Section 4.10.22.7`_ and matches the behavior of curl and modern browsers.
+
+    .. _HTML5 Working Draft Section 4.10.22.7:
+        https://w3c.github.io/html/sec-forms.html#multipart-form-data
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        A unicode string, stripped of troublesome characters.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    value = _replace_multiple(value, _HTML5_REPLACEMENTS)
+
+    return u'%s="%s"' % (name, value)
+
+
+# For backwards-compatibility.
+format_header_param = format_header_param_html5
+
+
+class RequestField(object):
+    """
+    A data container for request body parameters.
+
+    :param name:
+        The name of this request field. Must be unicode.
+    :param data:
+        The data/value body.
+    :param filename:
+        An optional filename of the request field. Must be unicode.
+    :param headers:
+        An optional dict-like object of headers to initially use for the field.
+    :param header_formatter:
+        An optional callable that is used to encode and format the headers. By
+        default, this is :func:`format_header_param_html5`.
+    """
+
+    def __init__(
+        self,
+        name,
+        data,
+        filename=None,
+        headers=None,
+        header_formatter=format_header_param_html5,
+    ):
+        self._name = name
+        self._filename = filename
+        self.data = data
+        self.headers = {}
+        if headers:
+            self.headers = dict(headers)
+        self.header_formatter = header_formatter
+
+    @classmethod
+    def from_tuples(cls, fieldname, value, header_formatter=format_header_param_html5):
+        """
+        A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
+
+        Supports constructing :class:`~urllib3.fields.RequestField` from
+        parameter of key/value strings AND key/filetuple. A filetuple is a
+        (filename, data, MIME type) tuple where the MIME type is optional.
+        For example::
+
+            'foo': 'bar',
+            'fakefile': ('foofile.txt', 'contents of foofile'),
+            'realfile': ('barfile.txt', open('realfile').read()),
+            'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'),
+            'nonamefile': 'contents of nonamefile field',
+
+        Field names and filenames must be unicode.
+        """
+        if isinstance(value, tuple):
+            if len(value) == 3:
+                filename, data, content_type = value
+            else:
+                filename, data = value
+                content_type = guess_content_type(filename)
+        else:
+            filename = None
+            content_type = None
+            data = value
+
+        request_param = cls(
+            fieldname, data, filename=filename, header_formatter=header_formatter
+        )
+        request_param.make_multipart(content_type=content_type)
+
+        return request_param
+
+    def _render_part(self, name, value):
+        """
+        Overridable helper function to format a single header parameter. By
+        default, this calls ``self.header_formatter``.
+
+        :param name:
+            The name of the parameter, a string expected to be ASCII only.
+        :param value:
+            The value of the parameter, provided as a unicode string.
+        """
+
+        return self.header_formatter(name, value)
+
+    def _render_parts(self, header_parts):
+        """
+        Helper function to format and quote a single header.
+
+        Useful for single headers that are composed of multiple items. E.g.,
+        'Content-Disposition' fields.
+
+        :param header_parts:
+            A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format
+            as `k1="v1"; k2="v2"; ...`.
+        """
+        parts = []
+        iterable = header_parts
+        if isinstance(header_parts, dict):
+            iterable = header_parts.items()
+
+        for name, value in iterable:
+            if value is not None:
+                parts.append(self._render_part(name, value))
+
+        return u"; ".join(parts)
+
+    def render_headers(self):
+        """
+        Renders the headers for this request field.
+        """
+        lines = []
+
+        sort_keys = ["Content-Disposition", "Content-Type", "Content-Location"]
+        for sort_key in sort_keys:
+            if self.headers.get(sort_key, False):
+                lines.append(u"%s: %s" % (sort_key, self.headers[sort_key]))
+
+        for header_name, header_value in self.headers.items():
+            if header_name not in sort_keys:
+                if header_value:
+                    lines.append(u"%s: %s" % (header_name, header_value))
+
+        lines.append(u"\r\n")
+        return u"\r\n".join(lines)
+
+    def make_multipart(
+        self, content_disposition=None, content_type=None, content_location=None
+    ):
+        """
+        Makes this request field into a multipart request field.
+
+        This method overrides "Content-Disposition", "Content-Type" and
+        "Content-Location" headers to the request parameter.
+
+        :param content_type:
+            The 'Content-Type' of the request body.
+        :param content_location:
+            The 'Content-Location' of the request body.
+
+        """
+        self.headers["Content-Disposition"] = content_disposition or u"form-data"
+        self.headers["Content-Disposition"] += u"; ".join(
+            [
+                u"",
+                self._render_parts(
+                    ((u"name", self._name), (u"filename", self._filename))
+                ),
+            ]
+        )
+        self.headers["Content-Type"] = content_type
+        self.headers["Content-Location"] = content_location
diff --git a/venv/lib/python3.7/site-packages/urllib3/filepost.py b/venv/lib/python3.7/site-packages/urllib3/filepost.py
new file mode 100644
index 0000000..b7b0099
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/filepost.py
@@ -0,0 +1,98 @@
+from __future__ import absolute_import
+import binascii
+import codecs
+import os
+
+from io import BytesIO
+
+from .packages import six
+from .packages.six import b
+from .fields import RequestField
+
+writer = codecs.lookup("utf-8")[3]
+
+
+def choose_boundary():
+    """
+    Our embarrassingly-simple replacement for mimetools.choose_boundary.
+    """
+    boundary = binascii.hexlify(os.urandom(16))
+    if not six.PY2:
+        boundary = boundary.decode("ascii")
+    return boundary
+
+
+def iter_field_objects(fields):
+    """
+    Iterate over fields.
+
+    Supports list of (k, v) tuples and dicts, and lists of
+    :class:`~urllib3.fields.RequestField`.
+
+    """
+    if isinstance(fields, dict):
+        i = six.iteritems(fields)
+    else:
+        i = iter(fields)
+
+    for field in i:
+        if isinstance(field, RequestField):
+            yield field
+        else:
+            yield RequestField.from_tuples(*field)
+
+
+def iter_fields(fields):
+    """
+    .. deprecated:: 1.6
+
+    Iterate over fields.
+
+    The addition of :class:`~urllib3.fields.RequestField` makes this function
+    obsolete. Instead, use :func:`iter_field_objects`, which returns
+    :class:`~urllib3.fields.RequestField` objects.
+
+    Supports list of (k, v) tuples and dicts.
+    """
+    if isinstance(fields, dict):
+        return ((k, v) for k, v in six.iteritems(fields))
+
+    return ((k, v) for k, v in fields)
+
+
+def encode_multipart_formdata(fields, boundary=None):
+    """
+    Encode a dictionary of ``fields`` using the multipart/form-data MIME format.
+
+    :param fields:
+        Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).
+
+    :param boundary:
+        If not specified, then a random boundary will be generated using
+        :func:`urllib3.filepost.choose_boundary`.
+    """
+    body = BytesIO()
+    if boundary is None:
+        boundary = choose_boundary()
+
+    for field in iter_field_objects(fields):
+        body.write(b("--%s\r\n" % (boundary)))
+
+        writer(body).write(field.render_headers())
+        data = field.data
+
+        if isinstance(data, int):
+            data = str(data)  # Backwards compatibility
+
+        if isinstance(data, six.text_type):
+            writer(body).write(data)
+        else:
+            body.write(data)
+
+        body.write(b"\r\n")
+
+    body.write(b("--%s--\r\n" % (boundary)))
+
+    content_type = str("multipart/form-data; boundary=%s" % boundary)
+
+    return body.getvalue(), content_type
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/__init__.py b/venv/lib/python3.7/site-packages/urllib3/packages/__init__.py
new file mode 100644
index 0000000..fce4caa
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/packages/__init__.py
@@ -0,0 +1,5 @@
+from __future__ import absolute_import
+
+from . import ssl_match_hostname
+
+__all__ = ("ssl_match_hostname",)
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/backports/__init__.py b/venv/lib/python3.7/site-packages/urllib3/packages/backports/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/backports/makefile.py b/venv/lib/python3.7/site-packages/urllib3/packages/backports/makefile.py
new file mode 100644
index 0000000..a3156a6
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/packages/backports/makefile.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+"""
+backports.makefile
+~~~~~~~~~~~~~~~~~~
+
+Backports the Python 3 ``socket.makefile`` method for use with anything that
+wants to create a "fake" socket object.
+"""
+import io
+
+from socket import SocketIO
+
+
+def backport_makefile(
+    self, mode="r", buffering=None, encoding=None, errors=None, newline=None
+):
+    """
+    Backport of ``socket.makefile`` from Python 3.5.
+    """
+    if not set(mode) <= {"r", "w", "b"}:
+        raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
+    writing = "w" in mode
+    reading = "r" in mode or not writing
+    assert reading or writing
+    binary = "b" in mode
+    rawmode = ""
+    if reading:
+        rawmode += "r"
+    if writing:
+        rawmode += "w"
+    raw = SocketIO(self, rawmode)
+    self._makefile_refs += 1
+    if buffering is None:
+        buffering = -1
+    if buffering < 0:
+        buffering = io.DEFAULT_BUFFER_SIZE
+    if buffering == 0:
+        if not binary:
+            raise ValueError("unbuffered streams must be binary")
+        return raw
+    if reading and writing:
+        buffer = io.BufferedRWPair(raw, raw, buffering)
+    elif reading:
+        buffer = io.BufferedReader(raw, buffering)
+    else:
+        assert writing
+        buffer = io.BufferedWriter(raw, buffering)
+    if binary:
+        return buffer
+    text = io.TextIOWrapper(buffer, encoding, errors, newline)
+    text.mode = mode
+    return text
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/six.py b/venv/lib/python3.7/site-packages/urllib3/packages/six.py
new file mode 100644
index 0000000..3144240
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/packages/six.py
@@ -0,0 +1,1021 @@
+# Copyright (c) 2010-2019 Benjamin Peterson
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Utilities for writing code that runs on Python 2 and 3"""
+
+from __future__ import absolute_import
+
+import functools
+import itertools
+import operator
+import sys
+import types
+
+__author__ = "Benjamin Peterson "
+__version__ = "1.12.0"
+
+
+# Useful for very coarse version differentiation.
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+PY34 = sys.version_info[0:2] >= (3, 4)
+
+if PY3:
+    string_types = (str,)
+    integer_types = (int,)
+    class_types = (type,)
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+else:
+    string_types = (basestring,)
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    if sys.platform.startswith("java"):
+        # Jython always uses 32 bits.
+        MAXSIZE = int((1 << 31) - 1)
+    else:
+        # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
+        class X(object):
+            def __len__(self):
+                return 1 << 31
+
+        try:
+            len(X())
+        except OverflowError:
+            # 32-bit
+            MAXSIZE = int((1 << 31) - 1)
+        else:
+            # 64-bit
+            MAXSIZE = int((1 << 63) - 1)
+        del X
+
+
+def _add_doc(func, doc):
+    """Add documentation to a function."""
+    func.__doc__ = doc
+
+
+def _import_module(name):
+    """Import module, returning the module after the last dot."""
+    __import__(name)
+    return sys.modules[name]
+
+
+class _LazyDescr(object):
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, tp):
+        result = self._resolve()
+        setattr(obj, self.name, result)  # Invokes __set__.
+        try:
+            # This is a bit ugly, but it avoids running this again by
+            # removing this descriptor.
+            delattr(obj.__class__, self.name)
+        except AttributeError:
+            pass
+        return result
+
+
+class MovedModule(_LazyDescr):
+    def __init__(self, name, old, new=None):
+        super(MovedModule, self).__init__(name)
+        if PY3:
+            if new is None:
+                new = name
+            self.mod = new
+        else:
+            self.mod = old
+
+    def _resolve(self):
+        return _import_module(self.mod)
+
+    def __getattr__(self, attr):
+        _module = self._resolve()
+        value = getattr(_module, attr)
+        setattr(self, attr, value)
+        return value
+
+
+class _LazyModule(types.ModuleType):
+    def __init__(self, name):
+        super(_LazyModule, self).__init__(name)
+        self.__doc__ = self.__class__.__doc__
+
+    def __dir__(self):
+        attrs = ["__doc__", "__name__"]
+        attrs += [attr.name for attr in self._moved_attributes]
+        return attrs
+
+    # Subclasses should override this
+    _moved_attributes = []
+
+
+class MovedAttribute(_LazyDescr):
+    def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
+        super(MovedAttribute, self).__init__(name)
+        if PY3:
+            if new_mod is None:
+                new_mod = name
+            self.mod = new_mod
+            if new_attr is None:
+                if old_attr is None:
+                    new_attr = name
+                else:
+                    new_attr = old_attr
+            self.attr = new_attr
+        else:
+            self.mod = old_mod
+            if old_attr is None:
+                old_attr = name
+            self.attr = old_attr
+
+    def _resolve(self):
+        module = _import_module(self.mod)
+        return getattr(module, self.attr)
+
+
+class _SixMetaPathImporter(object):
+
+    """
+    A meta path importer to import six.moves and its submodules.
+
+    This class implements a PEP302 finder and loader. It should be compatible
+    with Python 2.5 and all existing versions of Python3
+    """
+
+    def __init__(self, six_module_name):
+        self.name = six_module_name
+        self.known_modules = {}
+
+    def _add_module(self, mod, *fullnames):
+        for fullname in fullnames:
+            self.known_modules[self.name + "." + fullname] = mod
+
+    def _get_module(self, fullname):
+        return self.known_modules[self.name + "." + fullname]
+
+    def find_module(self, fullname, path=None):
+        if fullname in self.known_modules:
+            return self
+        return None
+
+    def __get_module(self, fullname):
+        try:
+            return self.known_modules[fullname]
+        except KeyError:
+            raise ImportError("This loader does not know module " + fullname)
+
+    def load_module(self, fullname):
+        try:
+            # in case of a reload
+            return sys.modules[fullname]
+        except KeyError:
+            pass
+        mod = self.__get_module(fullname)
+        if isinstance(mod, MovedModule):
+            mod = mod._resolve()
+        else:
+            mod.__loader__ = self
+        sys.modules[fullname] = mod
+        return mod
+
+    def is_package(self, fullname):
+        """
+        Return true, if the named module is a package.
+
+        We need this method to get correct spec objects with
+        Python 3.4 (see PEP451)
+        """
+        return hasattr(self.__get_module(fullname), "__path__")
+
+    def get_code(self, fullname):
+        """Return None
+
+        Required, if is_package is implemented"""
+        self.__get_module(fullname)  # eventually raises ImportError
+        return None
+
+    get_source = get_code  # same as get_code
+
+
+_importer = _SixMetaPathImporter(__name__)
+
+
+class _MovedItems(_LazyModule):
+
+    """Lazy loading of moved objects"""
+
+    __path__ = []  # mark as package
+
+
+_moved_attributes = [
+    MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
+    MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
+    MovedAttribute(
+        "filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"
+    ),
+    MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
+    MovedAttribute("intern", "__builtin__", "sys"),
+    MovedAttribute("map", "itertools", "builtins", "imap", "map"),
+    MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"),
+    MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"),
+    MovedAttribute("getoutput", "commands", "subprocess"),
+    MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute(
+        "reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"
+    ),
+    MovedAttribute("reduce", "__builtin__", "functools"),
+    MovedAttribute("shlex_quote", "pipes", "shlex", "quote"),
+    MovedAttribute("StringIO", "StringIO", "io"),
+    MovedAttribute("UserDict", "UserDict", "collections"),
+    MovedAttribute("UserList", "UserList", "collections"),
+    MovedAttribute("UserString", "UserString", "collections"),
+    MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
+    MovedAttribute(
+        "zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"
+    ),
+    MovedModule("builtins", "__builtin__"),
+    MovedModule("configparser", "ConfigParser"),
+    MovedModule("copyreg", "copy_reg"),
+    MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
+    MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"),
+    MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
+    MovedModule("http_cookies", "Cookie", "http.cookies"),
+    MovedModule("html_entities", "htmlentitydefs", "html.entities"),
+    MovedModule("html_parser", "HTMLParser", "html.parser"),
+    MovedModule("http_client", "httplib", "http.client"),
+    MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
+    MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"),
+    MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"),
+    MovedModule(
+        "email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"
+    ),
+    MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
+    MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
+    MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
+    MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
+    MovedModule("cPickle", "cPickle", "pickle"),
+    MovedModule("queue", "Queue"),
+    MovedModule("reprlib", "repr"),
+    MovedModule("socketserver", "SocketServer"),
+    MovedModule("_thread", "thread", "_thread"),
+    MovedModule("tkinter", "Tkinter"),
+    MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
+    MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
+    MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
+    MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
+    MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
+    MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
+    MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
+    MovedModule("tkinter_colorchooser", "tkColorChooser", "tkinter.colorchooser"),
+    MovedModule("tkinter_commondialog", "tkCommonDialog", "tkinter.commondialog"),
+    MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_font", "tkFont", "tkinter.font"),
+    MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
+    MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", "tkinter.simpledialog"),
+    MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
+    MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
+    MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
+    MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
+    MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
+    MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"),
+]
+# Add windows specific modules.
+if sys.platform == "win32":
+    _moved_attributes += [MovedModule("winreg", "_winreg")]
+
+for attr in _moved_attributes:
+    setattr(_MovedItems, attr.name, attr)
+    if isinstance(attr, MovedModule):
+        _importer._add_module(attr, "moves." + attr.name)
+del attr
+
+_MovedItems._moved_attributes = _moved_attributes
+
+moves = _MovedItems(__name__ + ".moves")
+_importer._add_module(moves, "moves")
+
+
+class Module_six_moves_urllib_parse(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_parse"""
+
+
+_urllib_parse_moved_attributes = [
+    MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
+    MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
+    MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
+    MovedAttribute("urljoin", "urlparse", "urllib.parse"),
+    MovedAttribute("urlparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("quote", "urllib", "urllib.parse"),
+    MovedAttribute("quote_plus", "urllib", "urllib.parse"),
+    MovedAttribute("unquote", "urllib", "urllib.parse"),
+    MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
+    MovedAttribute(
+        "unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"
+    ),
+    MovedAttribute("urlencode", "urllib", "urllib.parse"),
+    MovedAttribute("splitquery", "urllib", "urllib.parse"),
+    MovedAttribute("splittag", "urllib", "urllib.parse"),
+    MovedAttribute("splituser", "urllib", "urllib.parse"),
+    MovedAttribute("splitvalue", "urllib", "urllib.parse"),
+    MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_params", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_query", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
+]
+for attr in _urllib_parse_moved_attributes:
+    setattr(Module_six_moves_urllib_parse, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
+    "moves.urllib_parse",
+    "moves.urllib.parse",
+)
+
+
+class Module_six_moves_urllib_error(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_error"""
+
+
+_urllib_error_moved_attributes = [
+    MovedAttribute("URLError", "urllib2", "urllib.error"),
+    MovedAttribute("HTTPError", "urllib2", "urllib.error"),
+    MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
+]
+for attr in _urllib_error_moved_attributes:
+    setattr(Module_six_moves_urllib_error, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
+    "moves.urllib_error",
+    "moves.urllib.error",
+)
+
+
+class Module_six_moves_urllib_request(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_request"""
+
+
+_urllib_request_moved_attributes = [
+    MovedAttribute("urlopen", "urllib2", "urllib.request"),
+    MovedAttribute("install_opener", "urllib2", "urllib.request"),
+    MovedAttribute("build_opener", "urllib2", "urllib.request"),
+    MovedAttribute("pathname2url", "urllib", "urllib.request"),
+    MovedAttribute("url2pathname", "urllib", "urllib.request"),
+    MovedAttribute("getproxies", "urllib", "urllib.request"),
+    MovedAttribute("Request", "urllib2", "urllib.request"),
+    MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
+    MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FileHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("urlretrieve", "urllib", "urllib.request"),
+    MovedAttribute("urlcleanup", "urllib", "urllib.request"),
+    MovedAttribute("URLopener", "urllib", "urllib.request"),
+    MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
+    MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
+    MovedAttribute("parse_http_list", "urllib2", "urllib.request"),
+    MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"),
+]
+for attr in _urllib_request_moved_attributes:
+    setattr(Module_six_moves_urllib_request, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
+    "moves.urllib_request",
+    "moves.urllib.request",
+)
+
+
+class Module_six_moves_urllib_response(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_response"""
+
+
+_urllib_response_moved_attributes = [
+    MovedAttribute("addbase", "urllib", "urllib.response"),
+    MovedAttribute("addclosehook", "urllib", "urllib.response"),
+    MovedAttribute("addinfo", "urllib", "urllib.response"),
+    MovedAttribute("addinfourl", "urllib", "urllib.response"),
+]
+for attr in _urllib_response_moved_attributes:
+    setattr(Module_six_moves_urllib_response, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
+    "moves.urllib_response",
+    "moves.urllib.response",
+)
+
+
+class Module_six_moves_urllib_robotparser(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_robotparser"""
+
+
+_urllib_robotparser_moved_attributes = [
+    MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser")
+]
+for attr in _urllib_robotparser_moved_attributes:
+    setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_robotparser._moved_attributes = (
+    _urllib_robotparser_moved_attributes
+)
+
+_importer._add_module(
+    Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
+    "moves.urllib_robotparser",
+    "moves.urllib.robotparser",
+)
+
+
+class Module_six_moves_urllib(types.ModuleType):
+
+    """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
+
+    __path__ = []  # mark as package
+    parse = _importer._get_module("moves.urllib_parse")
+    error = _importer._get_module("moves.urllib_error")
+    request = _importer._get_module("moves.urllib_request")
+    response = _importer._get_module("moves.urllib_response")
+    robotparser = _importer._get_module("moves.urllib_robotparser")
+
+    def __dir__(self):
+        return ["parse", "error", "request", "response", "robotparser"]
+
+
+_importer._add_module(
+    Module_six_moves_urllib(__name__ + ".moves.urllib"), "moves.urllib"
+)
+
+
+def add_move(move):
+    """Add an item to six.moves."""
+    setattr(_MovedItems, move.name, move)
+
+
+def remove_move(name):
+    """Remove item from six.moves."""
+    try:
+        delattr(_MovedItems, name)
+    except AttributeError:
+        try:
+            del moves.__dict__[name]
+        except KeyError:
+            raise AttributeError("no such move, %r" % (name,))
+
+
+if PY3:
+    _meth_func = "__func__"
+    _meth_self = "__self__"
+
+    _func_closure = "__closure__"
+    _func_code = "__code__"
+    _func_defaults = "__defaults__"
+    _func_globals = "__globals__"
+else:
+    _meth_func = "im_func"
+    _meth_self = "im_self"
+
+    _func_closure = "func_closure"
+    _func_code = "func_code"
+    _func_defaults = "func_defaults"
+    _func_globals = "func_globals"
+
+
+try:
+    advance_iterator = next
+except NameError:
+
+    def advance_iterator(it):
+        return it.next()
+
+
+next = advance_iterator
+
+
+try:
+    callable = callable
+except NameError:
+
+    def callable(obj):
+        return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
+
+
+if PY3:
+
+    def get_unbound_function(unbound):
+        return unbound
+
+    create_bound_method = types.MethodType
+
+    def create_unbound_method(func, cls):
+        return func
+
+    Iterator = object
+else:
+
+    def get_unbound_function(unbound):
+        return unbound.im_func
+
+    def create_bound_method(func, obj):
+        return types.MethodType(func, obj, obj.__class__)
+
+    def create_unbound_method(func, cls):
+        return types.MethodType(func, None, cls)
+
+    class Iterator(object):
+        def next(self):
+            return type(self).__next__(self)
+
+    callable = callable
+_add_doc(
+    get_unbound_function, """Get the function out of a possibly unbound function"""
+)
+
+
+get_method_function = operator.attrgetter(_meth_func)
+get_method_self = operator.attrgetter(_meth_self)
+get_function_closure = operator.attrgetter(_func_closure)
+get_function_code = operator.attrgetter(_func_code)
+get_function_defaults = operator.attrgetter(_func_defaults)
+get_function_globals = operator.attrgetter(_func_globals)
+
+
+if PY3:
+
+    def iterkeys(d, **kw):
+        return iter(d.keys(**kw))
+
+    def itervalues(d, **kw):
+        return iter(d.values(**kw))
+
+    def iteritems(d, **kw):
+        return iter(d.items(**kw))
+
+    def iterlists(d, **kw):
+        return iter(d.lists(**kw))
+
+    viewkeys = operator.methodcaller("keys")
+
+    viewvalues = operator.methodcaller("values")
+
+    viewitems = operator.methodcaller("items")
+else:
+
+    def iterkeys(d, **kw):
+        return d.iterkeys(**kw)
+
+    def itervalues(d, **kw):
+        return d.itervalues(**kw)
+
+    def iteritems(d, **kw):
+        return d.iteritems(**kw)
+
+    def iterlists(d, **kw):
+        return d.iterlists(**kw)
+
+    viewkeys = operator.methodcaller("viewkeys")
+
+    viewvalues = operator.methodcaller("viewvalues")
+
+    viewitems = operator.methodcaller("viewitems")
+
+_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
+_add_doc(itervalues, "Return an iterator over the values of a dictionary.")
+_add_doc(iteritems, "Return an iterator over the (key, value) pairs of a dictionary.")
+_add_doc(
+    iterlists, "Return an iterator over the (key, [values]) pairs of a dictionary."
+)
+
+
+if PY3:
+
+    def b(s):
+        return s.encode("latin-1")
+
+    def u(s):
+        return s
+
+    unichr = chr
+    import struct
+
+    int2byte = struct.Struct(">B").pack
+    del struct
+    byte2int = operator.itemgetter(0)
+    indexbytes = operator.getitem
+    iterbytes = iter
+    import io
+
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+    del io
+    _assertCountEqual = "assertCountEqual"
+    if sys.version_info[1] <= 1:
+        _assertRaisesRegex = "assertRaisesRegexp"
+        _assertRegex = "assertRegexpMatches"
+    else:
+        _assertRaisesRegex = "assertRaisesRegex"
+        _assertRegex = "assertRegex"
+else:
+
+    def b(s):
+        return s
+
+    # Workaround for standalone backslash
+
+    def u(s):
+        return unicode(s.replace(r"\\", r"\\\\"), "unicode_escape")
+
+    unichr = unichr
+    int2byte = chr
+
+    def byte2int(bs):
+        return ord(bs[0])
+
+    def indexbytes(buf, i):
+        return ord(buf[i])
+
+    iterbytes = functools.partial(itertools.imap, ord)
+    import StringIO
+
+    StringIO = BytesIO = StringIO.StringIO
+    _assertCountEqual = "assertItemsEqual"
+    _assertRaisesRegex = "assertRaisesRegexp"
+    _assertRegex = "assertRegexpMatches"
+_add_doc(b, """Byte literal""")
+_add_doc(u, """Text literal""")
+
+
+def assertCountEqual(self, *args, **kwargs):
+    return getattr(self, _assertCountEqual)(*args, **kwargs)
+
+
+def assertRaisesRegex(self, *args, **kwargs):
+    return getattr(self, _assertRaisesRegex)(*args, **kwargs)
+
+
+def assertRegex(self, *args, **kwargs):
+    return getattr(self, _assertRegex)(*args, **kwargs)
+
+
+if PY3:
+    exec_ = getattr(moves.builtins, "exec")
+
+    def reraise(tp, value, tb=None):
+        try:
+            if value is None:
+                value = tp()
+            if value.__traceback__ is not tb:
+                raise value.with_traceback(tb)
+            raise value
+        finally:
+            value = None
+            tb = None
+
+
+else:
+
+    def exec_(_code_, _globs_=None, _locs_=None):
+        """Execute code in a namespace."""
+        if _globs_ is None:
+            frame = sys._getframe(1)
+            _globs_ = frame.f_globals
+            if _locs_ is None:
+                _locs_ = frame.f_locals
+            del frame
+        elif _locs_ is None:
+            _locs_ = _globs_
+        exec("""exec _code_ in _globs_, _locs_""")
+
+    exec_(
+        """def reraise(tp, value, tb=None):
+    try:
+        raise tp, value, tb
+    finally:
+        tb = None
+"""
+    )
+
+
+if sys.version_info[:2] == (3, 2):
+    exec_(
+        """def raise_from(value, from_value):
+    try:
+        if from_value is None:
+            raise value
+        raise value from from_value
+    finally:
+        value = None
+"""
+    )
+elif sys.version_info[:2] > (3, 2):
+    exec_(
+        """def raise_from(value, from_value):
+    try:
+        raise value from from_value
+    finally:
+        value = None
+"""
+    )
+else:
+
+    def raise_from(value, from_value):
+        raise value
+
+
+print_ = getattr(moves.builtins, "print", None)
+if print_ is None:
+
+    def print_(*args, **kwargs):
+        """The new-style print function for Python 2.4 and 2.5."""
+        fp = kwargs.pop("file", sys.stdout)
+        if fp is None:
+            return
+
+        def write(data):
+            if not isinstance(data, basestring):
+                data = str(data)
+            # If the file has an encoding, encode unicode with it.
+            if (
+                isinstance(fp, file)
+                and isinstance(data, unicode)
+                and fp.encoding is not None
+            ):
+                errors = getattr(fp, "errors", None)
+                if errors is None:
+                    errors = "strict"
+                data = data.encode(fp.encoding, errors)
+            fp.write(data)
+
+        want_unicode = False
+        sep = kwargs.pop("sep", None)
+        if sep is not None:
+            if isinstance(sep, unicode):
+                want_unicode = True
+            elif not isinstance(sep, str):
+                raise TypeError("sep must be None or a string")
+        end = kwargs.pop("end", None)
+        if end is not None:
+            if isinstance(end, unicode):
+                want_unicode = True
+            elif not isinstance(end, str):
+                raise TypeError("end must be None or a string")
+        if kwargs:
+            raise TypeError("invalid keyword arguments to print()")
+        if not want_unicode:
+            for arg in args:
+                if isinstance(arg, unicode):
+                    want_unicode = True
+                    break
+        if want_unicode:
+            newline = unicode("\n")
+            space = unicode(" ")
+        else:
+            newline = "\n"
+            space = " "
+        if sep is None:
+            sep = space
+        if end is None:
+            end = newline
+        for i, arg in enumerate(args):
+            if i:
+                write(sep)
+            write(arg)
+        write(end)
+
+
+if sys.version_info[:2] < (3, 3):
+    _print = print_
+
+    def print_(*args, **kwargs):
+        fp = kwargs.get("file", sys.stdout)
+        flush = kwargs.pop("flush", False)
+        _print(*args, **kwargs)
+        if flush and fp is not None:
+            fp.flush()
+
+
+_add_doc(reraise, """Reraise an exception.""")
+
+if sys.version_info[0:2] < (3, 4):
+
+    def wraps(
+        wrapped,
+        assigned=functools.WRAPPER_ASSIGNMENTS,
+        updated=functools.WRAPPER_UPDATES,
+    ):
+        def wrapper(f):
+            f = functools.wraps(wrapped, assigned, updated)(f)
+            f.__wrapped__ = wrapped
+            return f
+
+        return wrapper
+
+
+else:
+    wraps = functools.wraps
+
+
+def with_metaclass(meta, *bases):
+    """Create a base class with a metaclass."""
+    # This requires a bit of explanation: the basic idea is to make a dummy
+    # metaclass for one level of class instantiation that replaces itself with
+    # the actual metaclass.
+    class metaclass(type):
+        def __new__(cls, name, this_bases, d):
+            return meta(name, bases, d)
+
+        @classmethod
+        def __prepare__(cls, name, this_bases):
+            return meta.__prepare__(name, bases)
+
+    return type.__new__(metaclass, "temporary_class", (), {})
+
+
+def add_metaclass(metaclass):
+    """Class decorator for creating a class with a metaclass."""
+
+    def wrapper(cls):
+        orig_vars = cls.__dict__.copy()
+        slots = orig_vars.get("__slots__")
+        if slots is not None:
+            if isinstance(slots, str):
+                slots = [slots]
+            for slots_var in slots:
+                orig_vars.pop(slots_var)
+        orig_vars.pop("__dict__", None)
+        orig_vars.pop("__weakref__", None)
+        if hasattr(cls, "__qualname__"):
+            orig_vars["__qualname__"] = cls.__qualname__
+        return metaclass(cls.__name__, cls.__bases__, orig_vars)
+
+    return wrapper
+
+
+def ensure_binary(s, encoding="utf-8", errors="strict"):
+    """Coerce **s** to six.binary_type.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> encoded to `bytes`
+      - `bytes` -> `bytes`
+    """
+    if isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    elif isinstance(s, binary_type):
+        return s
+    else:
+        raise TypeError("not expecting type '%s'" % type(s))
+
+
+def ensure_str(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to `str`.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    if not isinstance(s, (text_type, binary_type)):
+        raise TypeError("not expecting type '%s'" % type(s))
+    if PY2 and isinstance(s, text_type):
+        s = s.encode(encoding, errors)
+    elif PY3 and isinstance(s, binary_type):
+        s = s.decode(encoding, errors)
+    return s
+
+
+def ensure_text(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to six.text_type.
+
+    For Python 2:
+      - `unicode` -> `unicode`
+      - `str` -> `unicode`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    if isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif isinstance(s, text_type):
+        return s
+    else:
+        raise TypeError("not expecting type '%s'" % type(s))
+
+
+def python_2_unicode_compatible(klass):
+    """
+    A decorator that defines __unicode__ and __str__ methods under Python 2.
+    Under Python 3 it does nothing.
+
+    To support Python 2 and 3 with a single code base, define a __str__ method
+    returning text and apply this decorator to the class.
+    """
+    if PY2:
+        if "__str__" not in klass.__dict__:
+            raise ValueError(
+                "@python_2_unicode_compatible cannot be applied "
+                "to %s because it doesn't define __str__()." % klass.__name__
+            )
+        klass.__unicode__ = klass.__str__
+        klass.__str__ = lambda self: self.__unicode__().encode("utf-8")
+    return klass
+
+
+# Complete the moves implementation.
+# This code is at the end of this module to speed up module loading.
+# Turn this module into a package.
+__path__ = []  # required for PEP 302 and PEP 451
+__package__ = __name__  # see PEP 366 @ReservedAssignment
+if globals().get("__spec__") is not None:
+    __spec__.submodule_search_locations = []  # PEP 451 @UndefinedVariable
+# Remove other six meta path importers, since they cause problems. This can
+# happen if six is removed from sys.modules and then reloaded. (Setuptools does
+# this for some reason.)
+if sys.meta_path:
+    for i, importer in enumerate(sys.meta_path):
+        # Here's some real nastiness: Another "instance" of the six module might
+        # be floating around. Therefore, we can't use isinstance() to check for
+        # the six meta path importer, since the other six instance will have
+        # inserted an importer with different class.
+        if (
+            type(importer).__name__ == "_SixMetaPathImporter"
+            and importer.name == __name__
+        ):
+            del sys.meta_path[i]
+            break
+    del i, importer
+# Finally, add the importer to the meta path import hook.
+sys.meta_path.append(_importer)
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/__init__.py b/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/__init__.py
new file mode 100644
index 0000000..75b6bb1
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/__init__.py
@@ -0,0 +1,19 @@
+import sys
+
+try:
+    # Our match_hostname function is the same as 3.5's, so we only want to
+    # import the match_hostname function if it's at least that good.
+    if sys.version_info < (3, 5):
+        raise ImportError("Fallback to vendored code")
+
+    from ssl import CertificateError, match_hostname
+except ImportError:
+    try:
+        # Backport of the function from a pypi module
+        from backports.ssl_match_hostname import CertificateError, match_hostname
+    except ImportError:
+        # Our vendored copy
+        from ._implementation import CertificateError, match_hostname
+
+# Not needed, but documenting what we provide.
+__all__ = ("CertificateError", "match_hostname")
diff --git a/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/_implementation.py b/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/_implementation.py
new file mode 100644
index 0000000..689208d
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/packages/ssl_match_hostname/_implementation.py
@@ -0,0 +1,160 @@
+"""The match_hostname() function from Python 3.3.3, essential when using SSL."""
+
+# Note: This file is under the PSF license as the code comes from the python
+# stdlib.   http://docs.python.org/3/license.html
+
+import re
+import sys
+
+# ipaddress has been backported to 2.6+ in pypi.  If it is installed on the
+# system, use it to handle IPAddress ServerAltnames (this was added in
+# python-3.5) otherwise only do DNS matching.  This allows
+# backports.ssl_match_hostname to continue to be used in Python 2.7.
+try:
+    import ipaddress
+except ImportError:
+    ipaddress = None
+
+__version__ = "3.5.0.1"
+
+
+class CertificateError(ValueError):
+    pass
+
+
+def _dnsname_match(dn, hostname, max_wildcards=1):
+    """Matching according to RFC 6125, section 6.4.3
+
+    http://tools.ietf.org/html/rfc6125#section-6.4.3
+    """
+    pats = []
+    if not dn:
+        return False
+
+    # Ported from python3-syntax:
+    # leftmost, *remainder = dn.split(r'.')
+    parts = dn.split(r".")
+    leftmost = parts[0]
+    remainder = parts[1:]
+
+    wildcards = leftmost.count("*")
+    if wildcards > max_wildcards:
+        # Issue #17980: avoid denials of service by refusing more
+        # than one wildcard per fragment.  A survey of established
+        # policy among SSL implementations showed it to be a
+        # reasonable choice.
+        raise CertificateError(
+            "too many wildcards in certificate DNS name: " + repr(dn)
+        )
+
+    # speed up common case w/o wildcards
+    if not wildcards:
+        return dn.lower() == hostname.lower()
+
+    # RFC 6125, section 6.4.3, subitem 1.
+    # The client SHOULD NOT attempt to match a presented identifier in which
+    # the wildcard character comprises a label other than the left-most label.
+    if leftmost == "*":
+        # When '*' is a fragment by itself, it matches a non-empty dotless
+        # fragment.
+        pats.append("[^.]+")
+    elif leftmost.startswith("xn--") or hostname.startswith("xn--"):
+        # RFC 6125, section 6.4.3, subitem 3.
+        # The client SHOULD NOT attempt to match a presented identifier
+        # where the wildcard character is embedded within an A-label or
+        # U-label of an internationalized domain name.
+        pats.append(re.escape(leftmost))
+    else:
+        # Otherwise, '*' matches any dotless string, e.g. www*
+        pats.append(re.escape(leftmost).replace(r"\*", "[^.]*"))
+
+    # add the remaining fragments, ignore any wildcards
+    for frag in remainder:
+        pats.append(re.escape(frag))
+
+    pat = re.compile(r"\A" + r"\.".join(pats) + r"\Z", re.IGNORECASE)
+    return pat.match(hostname)
+
+
+def _to_unicode(obj):
+    if isinstance(obj, str) and sys.version_info < (3,):
+        obj = unicode(obj, encoding="ascii", errors="strict")
+    return obj
+
+
+def _ipaddress_match(ipname, host_ip):
+    """Exact matching of IP addresses.
+
+    RFC 6125 explicitly doesn't define an algorithm for this
+    (section 1.7.2 - "Out of Scope").
+    """
+    # OpenSSL may add a trailing newline to a subjectAltName's IP address
+    # Divergence from upstream: ipaddress can't handle byte str
+    ip = ipaddress.ip_address(_to_unicode(ipname).rstrip())
+    return ip == host_ip
+
+
+def match_hostname(cert, hostname):
+    """Verify that *cert* (in decoded format as returned by
+    SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
+    rules are followed, but IP addresses are not accepted for *hostname*.
+
+    CertificateError is raised on failure. On success, the function
+    returns nothing.
+    """
+    if not cert:
+        raise ValueError(
+            "empty or no certificate, match_hostname needs a "
+            "SSL socket or SSL context with either "
+            "CERT_OPTIONAL or CERT_REQUIRED"
+        )
+    try:
+        # Divergence from upstream: ipaddress can't handle byte str
+        host_ip = ipaddress.ip_address(_to_unicode(hostname))
+    except ValueError:
+        # Not an IP address (common case)
+        host_ip = None
+    except UnicodeError:
+        # Divergence from upstream: Have to deal with ipaddress not taking
+        # byte strings.  addresses should be all ascii, so we consider it not
+        # an ipaddress in this case
+        host_ip = None
+    except AttributeError:
+        # Divergence from upstream: Make ipaddress library optional
+        if ipaddress is None:
+            host_ip = None
+        else:
+            raise
+    dnsnames = []
+    san = cert.get("subjectAltName", ())
+    for key, value in san:
+        if key == "DNS":
+            if host_ip is None and _dnsname_match(value, hostname):
+                return
+            dnsnames.append(value)
+        elif key == "IP Address":
+            if host_ip is not None and _ipaddress_match(value, host_ip):
+                return
+            dnsnames.append(value)
+    if not dnsnames:
+        # The subject is only checked when there is no dNSName entry
+        # in subjectAltName
+        for sub in cert.get("subject", ()):
+            for key, value in sub:
+                # XXX according to RFC 2818, the most specific Common Name
+                # must be used.
+                if key == "commonName":
+                    if _dnsname_match(value, hostname):
+                        return
+                    dnsnames.append(value)
+    if len(dnsnames) > 1:
+        raise CertificateError(
+            "hostname %r "
+            "doesn't match either of %s" % (hostname, ", ".join(map(repr, dnsnames)))
+        )
+    elif len(dnsnames) == 1:
+        raise CertificateError("hostname %r doesn't match %r" % (hostname, dnsnames[0]))
+    else:
+        raise CertificateError(
+            "no appropriate commonName or subjectAltName fields were found"
+        )
diff --git a/venv/lib/python3.7/site-packages/urllib3/poolmanager.py b/venv/lib/python3.7/site-packages/urllib3/poolmanager.py
new file mode 100644
index 0000000..242a2f8
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/poolmanager.py
@@ -0,0 +1,470 @@
+from __future__ import absolute_import
+import collections
+import functools
+import logging
+
+from ._collections import RecentlyUsedContainer
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from .connectionpool import port_by_scheme
+from .exceptions import LocationValueError, MaxRetryError, ProxySchemeUnknown
+from .packages import six
+from .packages.six.moves.urllib.parse import urljoin
+from .request import RequestMethods
+from .util.url import parse_url
+from .util.retry import Retry
+
+
+__all__ = ["PoolManager", "ProxyManager", "proxy_from_url"]
+
+
+log = logging.getLogger(__name__)
+
+SSL_KEYWORDS = (
+    "key_file",
+    "cert_file",
+    "cert_reqs",
+    "ca_certs",
+    "ssl_version",
+    "ca_cert_dir",
+    "ssl_context",
+    "key_password",
+)
+
+# All known keyword arguments that could be provided to the pool manager, its
+# pools, or the underlying connections. This is used to construct a pool key.
+_key_fields = (
+    "key_scheme",  # str
+    "key_host",  # str
+    "key_port",  # int
+    "key_timeout",  # int or float or Timeout
+    "key_retries",  # int or Retry
+    "key_strict",  # bool
+    "key_block",  # bool
+    "key_source_address",  # str
+    "key_key_file",  # str
+    "key_key_password",  # str
+    "key_cert_file",  # str
+    "key_cert_reqs",  # str
+    "key_ca_certs",  # str
+    "key_ssl_version",  # str
+    "key_ca_cert_dir",  # str
+    "key_ssl_context",  # instance of ssl.SSLContext or urllib3.util.ssl_.SSLContext
+    "key_maxsize",  # int
+    "key_headers",  # dict
+    "key__proxy",  # parsed proxy url
+    "key__proxy_headers",  # dict
+    "key_socket_options",  # list of (level (int), optname (int), value (int or str)) tuples
+    "key__socks_options",  # dict
+    "key_assert_hostname",  # bool or string
+    "key_assert_fingerprint",  # str
+    "key_server_hostname",  # str
+)
+
+#: The namedtuple class used to construct keys for the connection pool.
+#: All custom key schemes should include the fields in this key at a minimum.
+PoolKey = collections.namedtuple("PoolKey", _key_fields)
+
+
+def _default_key_normalizer(key_class, request_context):
+    """
+    Create a pool key out of a request context dictionary.
+
+    According to RFC 3986, both the scheme and host are case-insensitive.
+    Therefore, this function normalizes both before constructing the pool
+    key for an HTTPS request. If you wish to change this behaviour, provide
+    alternate callables to ``key_fn_by_scheme``.
+
+    :param key_class:
+        The class to use when constructing the key. This should be a namedtuple
+        with the ``scheme`` and ``host`` keys at a minimum.
+    :type  key_class: namedtuple
+    :param request_context:
+        A dictionary-like object that contain the context for a request.
+    :type  request_context: dict
+
+    :return: A namedtuple that can be used as a connection pool key.
+    :rtype:  PoolKey
+    """
+    # Since we mutate the dictionary, make a copy first
+    context = request_context.copy()
+    context["scheme"] = context["scheme"].lower()
+    context["host"] = context["host"].lower()
+
+    # These are both dictionaries and need to be transformed into frozensets
+    for key in ("headers", "_proxy_headers", "_socks_options"):
+        if key in context and context[key] is not None:
+            context[key] = frozenset(context[key].items())
+
+    # The socket_options key may be a list and needs to be transformed into a
+    # tuple.
+    socket_opts = context.get("socket_options")
+    if socket_opts is not None:
+        context["socket_options"] = tuple(socket_opts)
+
+    # Map the kwargs to the names in the namedtuple - this is necessary since
+    # namedtuples can't have fields starting with '_'.
+    for key in list(context.keys()):
+        context["key_" + key] = context.pop(key)
+
+    # Default to ``None`` for keys missing from the context
+    for field in key_class._fields:
+        if field not in context:
+            context[field] = None
+
+    return key_class(**context)
+
+
+#: A dictionary that maps a scheme to a callable that creates a pool key.
+#: This can be used to alter the way pool keys are constructed, if desired.
+#: Each PoolManager makes a copy of this dictionary so they can be configured
+#: globally here, or individually on the instance.
+key_fn_by_scheme = {
+    "http": functools.partial(_default_key_normalizer, PoolKey),
+    "https": functools.partial(_default_key_normalizer, PoolKey),
+}
+
+pool_classes_by_scheme = {"http": HTTPConnectionPool, "https": HTTPSConnectionPool}
+
+
+class PoolManager(RequestMethods):
+    """
+    Allows for arbitrary requests while transparently keeping track of
+    necessary connection pools for you.
+
+    :param num_pools:
+        Number of connection pools to cache before discarding the least
+        recently used pool.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param \\**connection_pool_kw:
+        Additional parameters are used to create fresh
+        :class:`urllib3.connectionpool.ConnectionPool` instances.
+
+    Example::
+
+        >>> manager = PoolManager(num_pools=2)
+        >>> r = manager.request('GET', 'http://google.com/')
+        >>> r = manager.request('GET', 'http://google.com/mail')
+        >>> r = manager.request('GET', 'http://yahoo.com/')
+        >>> len(manager.pools)
+        2
+
+    """
+
+    proxy = None
+
+    def __init__(self, num_pools=10, headers=None, **connection_pool_kw):
+        RequestMethods.__init__(self, headers)
+        self.connection_pool_kw = connection_pool_kw
+        self.pools = RecentlyUsedContainer(num_pools, dispose_func=lambda p: p.close())
+
+        # Locally set the pool classes and keys so other PoolManagers can
+        # override them.
+        self.pool_classes_by_scheme = pool_classes_by_scheme
+        self.key_fn_by_scheme = key_fn_by_scheme.copy()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.clear()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def _new_pool(self, scheme, host, port, request_context=None):
+        """
+        Create a new :class:`ConnectionPool` based on host, port, scheme, and
+        any additional pool keyword arguments.
+
+        If ``request_context`` is provided, it is provided as keyword arguments
+        to the pool class used. This method is used to actually create the
+        connection pools handed out by :meth:`connection_from_url` and
+        companion methods. It is intended to be overridden for customization.
+        """
+        pool_cls = self.pool_classes_by_scheme[scheme]
+        if request_context is None:
+            request_context = self.connection_pool_kw.copy()
+
+        # Although the context has everything necessary to create the pool,
+        # this function has historically only used the scheme, host, and port
+        # in the positional args. When an API change is acceptable these can
+        # be removed.
+        for key in ("scheme", "host", "port"):
+            request_context.pop(key, None)
+
+        if scheme == "http":
+            for kw in SSL_KEYWORDS:
+                request_context.pop(kw, None)
+
+        return pool_cls(host, port, **request_context)
+
+    def clear(self):
+        """
+        Empty our store of pools and direct them all to close.
+
+        This will not affect in-flight connections, but they will not be
+        re-used after completion.
+        """
+        self.pools.clear()
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        """
+        Get a :class:`ConnectionPool` based on the host, port, and scheme.
+
+        If ``port`` isn't given, it will be derived from the ``scheme`` using
+        ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is
+        provided, it is merged with the instance's ``connection_pool_kw``
+        variable and used to create the new connection pool, if one is
+        needed.
+        """
+
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        request_context = self._merge_pool_kwargs(pool_kwargs)
+        request_context["scheme"] = scheme or "http"
+        if not port:
+            port = port_by_scheme.get(request_context["scheme"].lower(), 80)
+        request_context["port"] = port
+        request_context["host"] = host
+
+        return self.connection_from_context(request_context)
+
+    def connection_from_context(self, request_context):
+        """
+        Get a :class:`ConnectionPool` based on the request context.
+
+        ``request_context`` must at least contain the ``scheme`` key and its
+        value must be a key in ``key_fn_by_scheme`` instance variable.
+        """
+        scheme = request_context["scheme"].lower()
+        pool_key_constructor = self.key_fn_by_scheme[scheme]
+        pool_key = pool_key_constructor(request_context)
+
+        return self.connection_from_pool_key(pool_key, request_context=request_context)
+
+    def connection_from_pool_key(self, pool_key, request_context=None):
+        """
+        Get a :class:`ConnectionPool` based on the provided pool key.
+
+        ``pool_key`` should be a namedtuple that only contains immutable
+        objects. At a minimum it must have the ``scheme``, ``host``, and
+        ``port`` fields.
+        """
+        with self.pools.lock:
+            # If the scheme, host, or port doesn't match existing open
+            # connections, open a new ConnectionPool.
+            pool = self.pools.get(pool_key)
+            if pool:
+                return pool
+
+            # Make a fresh ConnectionPool of the desired type
+            scheme = request_context["scheme"]
+            host = request_context["host"]
+            port = request_context["port"]
+            pool = self._new_pool(scheme, host, port, request_context=request_context)
+            self.pools[pool_key] = pool
+
+        return pool
+
+    def connection_from_url(self, url, pool_kwargs=None):
+        """
+        Similar to :func:`urllib3.connectionpool.connection_from_url`.
+
+        If ``pool_kwargs`` is not provided and a new pool needs to be
+        constructed, ``self.connection_pool_kw`` is used to initialize
+        the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs``
+        is provided, it is used instead. Note that if a new pool does not
+        need to be created for the request, the provided ``pool_kwargs`` are
+        not used.
+        """
+        u = parse_url(url)
+        return self.connection_from_host(
+            u.host, port=u.port, scheme=u.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _merge_pool_kwargs(self, override):
+        """
+        Merge a dictionary of override values for self.connection_pool_kw.
+
+        This does not modify self.connection_pool_kw and returns a new dict.
+        Any keys in the override dictionary with a value of ``None`` are
+        removed from the merged dictionary.
+        """
+        base_pool_kwargs = self.connection_pool_kw.copy()
+        if override:
+            for key, value in override.items():
+                if value is None:
+                    try:
+                        del base_pool_kwargs[key]
+                    except KeyError:
+                        pass
+                else:
+                    base_pool_kwargs[key] = value
+        return base_pool_kwargs
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        """
+        Same as :meth:`urllib3.connectionpool.HTTPConnectionPool.urlopen`
+        with custom cross-host redirect logic and only sends the request-uri
+        portion of the ``url``.
+
+        The given ``url`` parameter must be absolute, such that an appropriate
+        :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it.
+        """
+        u = parse_url(url)
+        conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme)
+
+        kw["assert_same_host"] = False
+        kw["redirect"] = False
+
+        if "headers" not in kw:
+            kw["headers"] = self.headers.copy()
+
+        if self.proxy is not None and u.scheme == "http":
+            response = conn.urlopen(method, url, **kw)
+        else:
+            response = conn.urlopen(method, u.request_uri, **kw)
+
+        redirect_location = redirect and response.get_redirect_location()
+        if not redirect_location:
+            return response
+
+        # Support relative URLs for redirecting.
+        redirect_location = urljoin(url, redirect_location)
+
+        # RFC 7231, Section 6.4.4
+        if response.status == 303:
+            method = "GET"
+
+        retries = kw.get("retries")
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect)
+
+        # Strip headers marked as unsafe to forward to the redirected location.
+        # Check remove_headers_on_redirect to avoid a potential network call within
+        # conn.is_same_host() which may use socket.gethostbyname() in the future.
+        if retries.remove_headers_on_redirect and not conn.is_same_host(
+            redirect_location
+        ):
+            headers = list(six.iterkeys(kw["headers"]))
+            for header in headers:
+                if header.lower() in retries.remove_headers_on_redirect:
+                    kw["headers"].pop(header, None)
+
+        try:
+            retries = retries.increment(method, url, response=response, _pool=conn)
+        except MaxRetryError:
+            if retries.raise_on_redirect:
+                raise
+            return response
+
+        kw["retries"] = retries
+        kw["redirect"] = redirect
+
+        log.info("Redirecting %s -> %s", url, redirect_location)
+        return self.urlopen(method, redirect_location, **kw)
+
+
+class ProxyManager(PoolManager):
+    """
+    Behaves just like :class:`PoolManager`, but sends all requests through
+    the defined proxy, using the CONNECT method for HTTPS URLs.
+
+    :param proxy_url:
+        The URL of the proxy to be used.
+
+    :param proxy_headers:
+        A dictionary containing headers that will be sent to the proxy. In case
+        of HTTP they are being sent with each request, while in the
+        HTTPS/CONNECT case they are sent only once. Could be used for proxy
+        authentication.
+
+    Example:
+        >>> proxy = urllib3.ProxyManager('http://localhost:3128/')
+        >>> r1 = proxy.request('GET', 'http://google.com/')
+        >>> r2 = proxy.request('GET', 'http://httpbin.org/')
+        >>> len(proxy.pools)
+        1
+        >>> r3 = proxy.request('GET', 'https://httpbin.org/')
+        >>> r4 = proxy.request('GET', 'https://twitter.com/')
+        >>> len(proxy.pools)
+        3
+
+    """
+
+    def __init__(
+        self,
+        proxy_url,
+        num_pools=10,
+        headers=None,
+        proxy_headers=None,
+        **connection_pool_kw
+    ):
+
+        if isinstance(proxy_url, HTTPConnectionPool):
+            proxy_url = "%s://%s:%i" % (
+                proxy_url.scheme,
+                proxy_url.host,
+                proxy_url.port,
+            )
+        proxy = parse_url(proxy_url)
+        if not proxy.port:
+            port = port_by_scheme.get(proxy.scheme, 80)
+            proxy = proxy._replace(port=port)
+
+        if proxy.scheme not in ("http", "https"):
+            raise ProxySchemeUnknown(proxy.scheme)
+
+        self.proxy = proxy
+        self.proxy_headers = proxy_headers or {}
+
+        connection_pool_kw["_proxy"] = self.proxy
+        connection_pool_kw["_proxy_headers"] = self.proxy_headers
+
+        super(ProxyManager, self).__init__(num_pools, headers, **connection_pool_kw)
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        if scheme == "https":
+            return super(ProxyManager, self).connection_from_host(
+                host, port, scheme, pool_kwargs=pool_kwargs
+            )
+
+        return super(ProxyManager, self).connection_from_host(
+            self.proxy.host, self.proxy.port, self.proxy.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _set_proxy_headers(self, url, headers=None):
+        """
+        Sets headers needed by proxies: specifically, the Accept and Host
+        headers. Only sets headers not provided by the user.
+        """
+        headers_ = {"Accept": "*/*"}
+
+        netloc = parse_url(url).netloc
+        if netloc:
+            headers_["Host"] = netloc
+
+        if headers:
+            headers_.update(headers)
+        return headers_
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        "Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute."
+        u = parse_url(url)
+
+        if u.scheme == "http":
+            # For proxied HTTPS requests, httplib sets the necessary headers
+            # on the CONNECT to the proxy. For HTTP, we'll definitely
+            # need to set 'Host' at the very least.
+            headers = kw.get("headers", self.headers)
+            kw["headers"] = self._set_proxy_headers(url, headers)
+
+        return super(ProxyManager, self).urlopen(method, url, redirect=redirect, **kw)
+
+
+def proxy_from_url(url, **kw):
+    return ProxyManager(proxy_url=url, **kw)
diff --git a/venv/lib/python3.7/site-packages/urllib3/request.py b/venv/lib/python3.7/site-packages/urllib3/request.py
new file mode 100644
index 0000000..55f160b
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/request.py
@@ -0,0 +1,171 @@
+from __future__ import absolute_import
+
+from .filepost import encode_multipart_formdata
+from .packages.six.moves.urllib.parse import urlencode
+
+
+__all__ = ["RequestMethods"]
+
+
+class RequestMethods(object):
+    """
+    Convenience mixin for classes who implement a :meth:`urlopen` method, such
+    as :class:`~urllib3.connectionpool.HTTPConnectionPool` and
+    :class:`~urllib3.poolmanager.PoolManager`.
+
+    Provides behavior for making common types of HTTP request methods and
+    decides which type of request field encoding to use.
+
+    Specifically,
+
+    :meth:`.request_encode_url` is for sending requests whose fields are
+    encoded in the URL (such as GET, HEAD, DELETE).
+
+    :meth:`.request_encode_body` is for sending requests whose fields are
+    encoded in the *body* of the request using multipart or www-form-urlencoded
+    (such as for POST, PUT, PATCH).
+
+    :meth:`.request` is for making any kind of request, it will look up the
+    appropriate encoding format and use one of the above two methods to make
+    the request.
+
+    Initializer parameters:
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+    """
+
+    _encode_url_methods = {"DELETE", "GET", "HEAD", "OPTIONS"}
+
+    def __init__(self, headers=None):
+        self.headers = headers or {}
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **kw
+    ):  # Abstract
+        raise NotImplementedError(
+            "Classes extending RequestMethods must implement "
+            "their own ``urlopen`` method."
+        )
+
+    def request(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the appropriate encoding of
+        ``fields`` based on the ``method`` used.
+
+        This is a convenience method that requires the least amount of manual
+        effort. It can be used in most situations, while still having the
+        option to drop down to more specific methods when necessary, such as
+        :meth:`request_encode_url`, :meth:`request_encode_body`,
+        or even the lowest level :meth:`urlopen`.
+        """
+        method = method.upper()
+
+        urlopen_kw["request_url"] = url
+
+        if method in self._encode_url_methods:
+            return self.request_encode_url(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+        else:
+            return self.request_encode_body(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+
+    def request_encode_url(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the url. This is useful for request methods like GET, HEAD, DELETE, etc.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": headers}
+        extra_kw.update(urlopen_kw)
+
+        if fields:
+            url += "?" + urlencode(fields)
+
+        return self.urlopen(method, url, **extra_kw)
+
+    def request_encode_body(
+        self,
+        method,
+        url,
+        fields=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **urlopen_kw
+    ):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the body. This is useful for request methods like POST, PUT, PATCH, etc.
+
+        When ``encode_multipart=True`` (default), then
+        :meth:`urllib3.filepost.encode_multipart_formdata` is used to encode
+        the payload with the appropriate content type. Otherwise
+        :meth:`urllib.urlencode` is used with the
+        'application/x-www-form-urlencoded' content type.
+
+        Multipart encoding must be used when posting files, and it's reasonably
+        safe to use it in other times too. However, it may break request
+        signing, such as with OAuth.
+
+        Supports an optional ``fields`` parameter of key/value strings AND
+        key/filetuple. A filetuple is a (filename, data, MIME type) tuple where
+        the MIME type is optional. For example::
+
+            fields = {
+                'foo': 'bar',
+                'fakefile': ('foofile.txt', 'contents of foofile'),
+                'realfile': ('barfile.txt', open('realfile').read()),
+                'typedfile': ('bazfile.bin', open('bazfile').read(),
+                              'image/jpeg'),
+                'nonamefile': 'contents of nonamefile field',
+            }
+
+        When uploading a file, providing a filename (the first parameter of the
+        tuple) is optional but recommended to best mimic behavior of browsers.
+
+        Note that if ``headers`` are supplied, the 'Content-Type' header will
+        be overwritten because it depends on the dynamic random boundary string
+        which is used to compose the body of the request. The random boundary
+        string can be explicitly set with the ``multipart_boundary`` parameter.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": {}}
+
+        if fields:
+            if "body" in urlopen_kw:
+                raise TypeError(
+                    "request got values for both 'fields' and 'body', can only specify one."
+                )
+
+            if encode_multipart:
+                body, content_type = encode_multipart_formdata(
+                    fields, boundary=multipart_boundary
+                )
+            else:
+                body, content_type = (
+                    urlencode(fields),
+                    "application/x-www-form-urlencoded",
+                )
+
+            extra_kw["body"] = body
+            extra_kw["headers"] = {"Content-Type": content_type}
+
+        extra_kw["headers"].update(headers)
+        extra_kw.update(urlopen_kw)
+
+        return self.urlopen(method, url, **extra_kw)
diff --git a/venv/lib/python3.7/site-packages/urllib3/response.py b/venv/lib/python3.7/site-packages/urllib3/response.py
new file mode 100644
index 0000000..adc321e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/response.py
@@ -0,0 +1,809 @@
+from __future__ import absolute_import
+from contextlib import contextmanager
+import zlib
+import io
+import logging
+from socket import timeout as SocketTimeout
+from socket import error as SocketError
+
+try:
+    import brotli
+except ImportError:
+    brotli = None
+
+from ._collections import HTTPHeaderDict
+from .exceptions import (
+    BodyNotHttplibCompatible,
+    ProtocolError,
+    DecodeError,
+    ReadTimeoutError,
+    ResponseNotChunked,
+    IncompleteRead,
+    InvalidHeader,
+)
+from .packages.six import string_types as basestring, PY3
+from .packages.six.moves import http_client as httplib
+from .connection import HTTPException, BaseSSLError
+from .util.response import is_fp_closed, is_response_to_head
+
+log = logging.getLogger(__name__)
+
+
+class DeflateDecoder(object):
+    def __init__(self):
+        self._first_try = True
+        self._data = b""
+        self._obj = zlib.decompressobj()
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        if not data:
+            return data
+
+        if not self._first_try:
+            return self._obj.decompress(data)
+
+        self._data += data
+        try:
+            decompressed = self._obj.decompress(data)
+            if decompressed:
+                self._first_try = False
+                self._data = None
+            return decompressed
+        except zlib.error:
+            self._first_try = False
+            self._obj = zlib.decompressobj(-zlib.MAX_WBITS)
+            try:
+                return self.decompress(self._data)
+            finally:
+                self._data = None
+
+
+class GzipDecoderState(object):
+
+    FIRST_MEMBER = 0
+    OTHER_MEMBERS = 1
+    SWALLOW_DATA = 2
+
+
+class GzipDecoder(object):
+    def __init__(self):
+        self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+        self._state = GzipDecoderState.FIRST_MEMBER
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        ret = bytearray()
+        if self._state == GzipDecoderState.SWALLOW_DATA or not data:
+            return bytes(ret)
+        while True:
+            try:
+                ret += self._obj.decompress(data)
+            except zlib.error:
+                previous_state = self._state
+                # Ignore data after the first error
+                self._state = GzipDecoderState.SWALLOW_DATA
+                if previous_state == GzipDecoderState.OTHER_MEMBERS:
+                    # Allow trailing garbage acceptable in other gzip clients
+                    return bytes(ret)
+                raise
+            data = self._obj.unused_data
+            if not data:
+                return bytes(ret)
+            self._state = GzipDecoderState.OTHER_MEMBERS
+            self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+
+
+if brotli is not None:
+
+    class BrotliDecoder(object):
+        # Supports both 'brotlipy' and 'Brotli' packages
+        # since they share an import name. The top branches
+        # are for 'brotlipy' and bottom branches for 'Brotli'
+        def __init__(self):
+            self._obj = brotli.Decompressor()
+
+        def decompress(self, data):
+            if hasattr(self._obj, "decompress"):
+                return self._obj.decompress(data)
+            return self._obj.process(data)
+
+        def flush(self):
+            if hasattr(self._obj, "flush"):
+                return self._obj.flush()
+            return b""
+
+
+class MultiDecoder(object):
+    """
+    From RFC7231:
+        If one or more encodings have been applied to a representation, the
+        sender that applied the encodings MUST generate a Content-Encoding
+        header field that lists the content codings in the order in which
+        they were applied.
+    """
+
+    def __init__(self, modes):
+        self._decoders = [_get_decoder(m.strip()) for m in modes.split(",")]
+
+    def flush(self):
+        return self._decoders[0].flush()
+
+    def decompress(self, data):
+        for d in reversed(self._decoders):
+            data = d.decompress(data)
+        return data
+
+
+def _get_decoder(mode):
+    if "," in mode:
+        return MultiDecoder(mode)
+
+    if mode == "gzip":
+        return GzipDecoder()
+
+    if brotli is not None and mode == "br":
+        return BrotliDecoder()
+
+    return DeflateDecoder()
+
+
+class HTTPResponse(io.IOBase):
+    """
+    HTTP Response container.
+
+    Backwards-compatible to httplib's HTTPResponse but the response ``body`` is
+    loaded and decoded on-demand when the ``data`` property is accessed.  This
+    class is also compatible with the Python standard library's :mod:`io`
+    module, and can hence be treated as a readable object in the context of that
+    framework.
+
+    Extra parameters for behaviour not present in httplib.HTTPResponse:
+
+    :param preload_content:
+        If True, the response's body will be preloaded during construction.
+
+    :param decode_content:
+        If True, will attempt to decode the body based on the
+        'content-encoding' header.
+
+    :param original_response:
+        When this HTTPResponse wrapper is generated from an httplib.HTTPResponse
+        object, it's convenient to include the original for debug purposes. It's
+        otherwise unused.
+
+    :param retries:
+        The retries contains the last :class:`~urllib3.util.retry.Retry` that
+        was used during the request.
+
+    :param enforce_content_length:
+        Enforce content length checking. Body returned by server must match
+        value of Content-Length header, if present. Otherwise, raise error.
+    """
+
+    CONTENT_DECODERS = ["gzip", "deflate"]
+    if brotli is not None:
+        CONTENT_DECODERS += ["br"]
+    REDIRECT_STATUSES = [301, 302, 303, 307, 308]
+
+    def __init__(
+        self,
+        body="",
+        headers=None,
+        status=0,
+        version=0,
+        reason=None,
+        strict=0,
+        preload_content=True,
+        decode_content=True,
+        original_response=None,
+        pool=None,
+        connection=None,
+        msg=None,
+        retries=None,
+        enforce_content_length=False,
+        request_method=None,
+        request_url=None,
+        auto_close=True,
+    ):
+
+        if isinstance(headers, HTTPHeaderDict):
+            self.headers = headers
+        else:
+            self.headers = HTTPHeaderDict(headers)
+        self.status = status
+        self.version = version
+        self.reason = reason
+        self.strict = strict
+        self.decode_content = decode_content
+        self.retries = retries
+        self.enforce_content_length = enforce_content_length
+        self.auto_close = auto_close
+
+        self._decoder = None
+        self._body = None
+        self._fp = None
+        self._original_response = original_response
+        self._fp_bytes_read = 0
+        self.msg = msg
+        self._request_url = request_url
+
+        if body and isinstance(body, (basestring, bytes)):
+            self._body = body
+
+        self._pool = pool
+        self._connection = connection
+
+        if hasattr(body, "read"):
+            self._fp = body
+
+        # Are we using the chunked-style of transfer encoding?
+        self.chunked = False
+        self.chunk_left = None
+        tr_enc = self.headers.get("transfer-encoding", "").lower()
+        # Don't incur the penalty of creating a list and then discarding it
+        encodings = (enc.strip() for enc in tr_enc.split(","))
+        if "chunked" in encodings:
+            self.chunked = True
+
+        # Determine length of response
+        self.length_remaining = self._init_length(request_method)
+
+        # If requested, preload the body.
+        if preload_content and not self._body:
+            self._body = self.read(decode_content=decode_content)
+
+    def get_redirect_location(self):
+        """
+        Should we redirect and where to?
+
+        :returns: Truthy redirect location string if we got a redirect status
+            code and valid location. ``None`` if redirect status and no
+            location. ``False`` if not a redirect status code.
+        """
+        if self.status in self.REDIRECT_STATUSES:
+            return self.headers.get("location")
+
+        return False
+
+    def release_conn(self):
+        if not self._pool or not self._connection:
+            return
+
+        self._pool._put_conn(self._connection)
+        self._connection = None
+
+    @property
+    def data(self):
+        # For backwords-compat with earlier urllib3 0.4 and earlier.
+        if self._body:
+            return self._body
+
+        if self._fp:
+            return self.read(cache_content=True)
+
+    @property
+    def connection(self):
+        return self._connection
+
+    def isclosed(self):
+        return is_fp_closed(self._fp)
+
+    def tell(self):
+        """
+        Obtain the number of bytes pulled over the wire so far. May differ from
+        the amount of content returned by :meth:``HTTPResponse.read`` if bytes
+        are encoded on the wire (e.g, compressed).
+        """
+        return self._fp_bytes_read
+
+    def _init_length(self, request_method):
+        """
+        Set initial length value for Response content if available.
+        """
+        length = self.headers.get("content-length")
+
+        if length is not None:
+            if self.chunked:
+                # This Response will fail with an IncompleteRead if it can't be
+                # received as chunked. This method falls back to attempt reading
+                # the response before raising an exception.
+                log.warning(
+                    "Received response with both Content-Length and "
+                    "Transfer-Encoding set. This is expressly forbidden "
+                    "by RFC 7230 sec 3.3.2. Ignoring Content-Length and "
+                    "attempting to process response as Transfer-Encoding: "
+                    "chunked."
+                )
+                return None
+
+            try:
+                # RFC 7230 section 3.3.2 specifies multiple content lengths can
+                # be sent in a single Content-Length header
+                # (e.g. Content-Length: 42, 42). This line ensures the values
+                # are all valid ints and that as long as the `set` length is 1,
+                # all values are the same. Otherwise, the header is invalid.
+                lengths = set([int(val) for val in length.split(",")])
+                if len(lengths) > 1:
+                    raise InvalidHeader(
+                        "Content-Length contained multiple "
+                        "unmatching values (%s)" % length
+                    )
+                length = lengths.pop()
+            except ValueError:
+                length = None
+            else:
+                if length < 0:
+                    length = None
+
+        # Convert status to int for comparison
+        # In some cases, httplib returns a status of "_UNKNOWN"
+        try:
+            status = int(self.status)
+        except ValueError:
+            status = 0
+
+        # Check for responses that shouldn't include a body
+        if status in (204, 304) or 100 <= status < 200 or request_method == "HEAD":
+            length = 0
+
+        return length
+
+    def _init_decoder(self):
+        """
+        Set-up the _decoder attribute if necessary.
+        """
+        # Note: content-encoding value should be case-insensitive, per RFC 7230
+        # Section 3.2
+        content_encoding = self.headers.get("content-encoding", "").lower()
+        if self._decoder is None:
+            if content_encoding in self.CONTENT_DECODERS:
+                self._decoder = _get_decoder(content_encoding)
+            elif "," in content_encoding:
+                encodings = [
+                    e.strip()
+                    for e in content_encoding.split(",")
+                    if e.strip() in self.CONTENT_DECODERS
+                ]
+                if len(encodings):
+                    self._decoder = _get_decoder(content_encoding)
+
+    DECODER_ERROR_CLASSES = (IOError, zlib.error)
+    if brotli is not None:
+        DECODER_ERROR_CLASSES += (brotli.error,)
+
+    def _decode(self, data, decode_content, flush_decoder):
+        """
+        Decode the data passed in and potentially flush the decoder.
+        """
+        if not decode_content:
+            return data
+
+        try:
+            if self._decoder:
+                data = self._decoder.decompress(data)
+        except self.DECODER_ERROR_CLASSES as e:
+            content_encoding = self.headers.get("content-encoding", "").lower()
+            raise DecodeError(
+                "Received response with content-encoding: %s, but "
+                "failed to decode it." % content_encoding,
+                e,
+            )
+        if flush_decoder:
+            data += self._flush_decoder()
+
+        return data
+
+    def _flush_decoder(self):
+        """
+        Flushes the decoder. Should only be called if the decoder is actually
+        being used.
+        """
+        if self._decoder:
+            buf = self._decoder.decompress(b"")
+            return buf + self._decoder.flush()
+
+        return b""
+
+    @contextmanager
+    def _error_catcher(self):
+        """
+        Catch low-level python exceptions, instead re-raising urllib3
+        variants, so that low-level exceptions are not leaked in the
+        high-level api.
+
+        On exit, release the connection back to the pool.
+        """
+        clean_exit = False
+
+        try:
+            try:
+                yield
+
+            except SocketTimeout:
+                # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but
+                # there is yet no clean way to get at it from this context.
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except BaseSSLError as e:
+                # FIXME: Is there a better way to differentiate between SSLErrors?
+                if "read operation timed out" not in str(e):  # Defensive:
+                    # This shouldn't happen but just in case we're missing an edge
+                    # case, let's avoid swallowing SSL errors.
+                    raise
+
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except (HTTPException, SocketError) as e:
+                # This includes IncompleteRead.
+                raise ProtocolError("Connection broken: %r" % e, e)
+
+            # If no exception is thrown, we should avoid cleaning up
+            # unnecessarily.
+            clean_exit = True
+        finally:
+            # If we didn't terminate cleanly, we need to throw away our
+            # connection.
+            if not clean_exit:
+                # The response may not be closed but we're not going to use it
+                # anymore so close it now to ensure that the connection is
+                # released back to the pool.
+                if self._original_response:
+                    self._original_response.close()
+
+                # Closing the response may not actually be sufficient to close
+                # everything, so if we have a hold of the connection close that
+                # too.
+                if self._connection:
+                    self._connection.close()
+
+            # If we hold the original response but it's closed now, we should
+            # return the connection back to the pool.
+            if self._original_response and self._original_response.isclosed():
+                self.release_conn()
+
+    def read(self, amt=None, decode_content=None, cache_content=False):
+        """
+        Similar to :meth:`httplib.HTTPResponse.read`, but with two additional
+        parameters: ``decode_content`` and ``cache_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+
+        :param cache_content:
+            If True, will save the returned data such that the same result is
+            returned despite of the state of the underlying file object. This
+            is useful if you want the ``.data`` property to continue working
+            after having ``.read()`` the file object. (Overridden if ``amt`` is
+            set.)
+        """
+        self._init_decoder()
+        if decode_content is None:
+            decode_content = self.decode_content
+
+        if self._fp is None:
+            return
+
+        flush_decoder = False
+        fp_closed = getattr(self._fp, "closed", False)
+
+        with self._error_catcher():
+            if amt is None:
+                # cStringIO doesn't like amt=None
+                data = self._fp.read() if not fp_closed else b""
+                flush_decoder = True
+            else:
+                cache_content = False
+                data = self._fp.read(amt) if not fp_closed else b""
+                if (
+                    amt != 0 and not data
+                ):  # Platform-specific: Buggy versions of Python.
+                    # Close the connection when no data is returned
+                    #
+                    # This is redundant to what httplib/http.client _should_
+                    # already do.  However, versions of python released before
+                    # December 15, 2012 (http://bugs.python.org/issue16298) do
+                    # not properly close the connection in all cases. There is
+                    # no harm in redundantly calling close.
+                    self._fp.close()
+                    flush_decoder = True
+                    if self.enforce_content_length and self.length_remaining not in (
+                        0,
+                        None,
+                    ):
+                        # This is an edge case that httplib failed to cover due
+                        # to concerns of backward compatibility. We're
+                        # addressing it here to make sure IncompleteRead is
+                        # raised during streaming, so all calls with incorrect
+                        # Content-Length are caught.
+                        raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
+
+        if data:
+            self._fp_bytes_read += len(data)
+            if self.length_remaining is not None:
+                self.length_remaining -= len(data)
+
+            data = self._decode(data, decode_content, flush_decoder)
+
+            if cache_content:
+                self._body = data
+
+        return data
+
+    def stream(self, amt=2 ** 16, decode_content=None):
+        """
+        A generator wrapper for the read() method. A call will block until
+        ``amt`` bytes have been read from the connection or until the
+        connection is closed.
+
+        :param amt:
+            How much of the content to read. The generator will return up to
+            much data per iteration, but may return less. This is particularly
+            likely when using compressed data. However, the empty string will
+            never be returned.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        if self.chunked and self.supports_chunked_reads():
+            for line in self.read_chunked(amt, decode_content=decode_content):
+                yield line
+        else:
+            while not is_fp_closed(self._fp):
+                data = self.read(amt=amt, decode_content=decode_content)
+
+                if data:
+                    yield data
+
+    @classmethod
+    def from_httplib(ResponseCls, r, **response_kw):
+        """
+        Given an :class:`httplib.HTTPResponse` instance ``r``, return a
+        corresponding :class:`urllib3.response.HTTPResponse` object.
+
+        Remaining parameters are passed to the HTTPResponse constructor, along
+        with ``original_response=r``.
+        """
+        headers = r.msg
+
+        if not isinstance(headers, HTTPHeaderDict):
+            if PY3:
+                headers = HTTPHeaderDict(headers.items())
+            else:
+                # Python 2.7
+                headers = HTTPHeaderDict.from_httplib(headers)
+
+        # HTTPResponse objects in Python 3 don't have a .strict attribute
+        strict = getattr(r, "strict", 0)
+        resp = ResponseCls(
+            body=r,
+            headers=headers,
+            status=r.status,
+            version=r.version,
+            reason=r.reason,
+            strict=strict,
+            original_response=r,
+            **response_kw
+        )
+        return resp
+
+    # Backwards-compatibility methods for httplib.HTTPResponse
+    def getheaders(self):
+        return self.headers
+
+    def getheader(self, name, default=None):
+        return self.headers.get(name, default)
+
+    # Backwards compatibility for http.cookiejar
+    def info(self):
+        return self.headers
+
+    # Overrides from io.IOBase
+    def close(self):
+        if not self.closed:
+            self._fp.close()
+
+        if self._connection:
+            self._connection.close()
+
+        if not self.auto_close:
+            io.IOBase.close(self)
+
+    @property
+    def closed(self):
+        if not self.auto_close:
+            return io.IOBase.closed.__get__(self)
+        elif self._fp is None:
+            return True
+        elif hasattr(self._fp, "isclosed"):
+            return self._fp.isclosed()
+        elif hasattr(self._fp, "closed"):
+            return self._fp.closed
+        else:
+            return True
+
+    def fileno(self):
+        if self._fp is None:
+            raise IOError("HTTPResponse has no file to get a fileno from")
+        elif hasattr(self._fp, "fileno"):
+            return self._fp.fileno()
+        else:
+            raise IOError(
+                "The file-like object this HTTPResponse is wrapped "
+                "around has no file descriptor"
+            )
+
+    def flush(self):
+        if (
+            self._fp is not None
+            and hasattr(self._fp, "flush")
+            and not getattr(self._fp, "closed", False)
+        ):
+            return self._fp.flush()
+
+    def readable(self):
+        # This method is required for `io` module compatibility.
+        return True
+
+    def readinto(self, b):
+        # This method is required for `io` module compatibility.
+        temp = self.read(len(b))
+        if len(temp) == 0:
+            return 0
+        else:
+            b[: len(temp)] = temp
+            return len(temp)
+
+    def supports_chunked_reads(self):
+        """
+        Checks if the underlying file-like object looks like a
+        httplib.HTTPResponse object. We do this by testing for the fp
+        attribute. If it is present we assume it returns raw chunks as
+        processed by read_chunked().
+        """
+        return hasattr(self._fp, "fp")
+
+    def _update_chunk_length(self):
+        # First, we'll figure out length of a chunk and then
+        # we'll try to read it from socket.
+        if self.chunk_left is not None:
+            return
+        line = self._fp.fp.readline()
+        line = line.split(b";", 1)[0]
+        try:
+            self.chunk_left = int(line, 16)
+        except ValueError:
+            # Invalid chunked protocol response, abort.
+            self.close()
+            raise httplib.IncompleteRead(line)
+
+    def _handle_chunk(self, amt):
+        returned_chunk = None
+        if amt is None:
+            chunk = self._fp._safe_read(self.chunk_left)
+            returned_chunk = chunk
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        elif amt < self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self.chunk_left = self.chunk_left - amt
+            returned_chunk = value
+        elif amt == self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+            returned_chunk = value
+        else:  # amt > self.chunk_left
+            returned_chunk = self._fp._safe_read(self.chunk_left)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        return returned_chunk
+
+    def read_chunked(self, amt=None, decode_content=None):
+        """
+        Similar to :meth:`HTTPResponse.read`, but with an additional
+        parameter: ``decode_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        self._init_decoder()
+        # FIXME: Rewrite this method and make it a class with a better structured logic.
+        if not self.chunked:
+            raise ResponseNotChunked(
+                "Response is not chunked. "
+                "Header 'transfer-encoding: chunked' is missing."
+            )
+        if not self.supports_chunked_reads():
+            raise BodyNotHttplibCompatible(
+                "Body should be httplib.HTTPResponse like. "
+                "It should have have an fp attribute which returns raw chunks."
+            )
+
+        with self._error_catcher():
+            # Don't bother reading the body of a HEAD request.
+            if self._original_response and is_response_to_head(self._original_response):
+                self._original_response.close()
+                return
+
+            # If a response is already read and closed
+            # then return immediately.
+            if self._fp.fp is None:
+                return
+
+            while True:
+                self._update_chunk_length()
+                if self.chunk_left == 0:
+                    break
+                chunk = self._handle_chunk(amt)
+                decoded = self._decode(
+                    chunk, decode_content=decode_content, flush_decoder=False
+                )
+                if decoded:
+                    yield decoded
+
+            if decode_content:
+                # On CPython and PyPy, we should never need to flush the
+                # decoder. However, on Jython we *might* need to, so
+                # lets defensively do it anyway.
+                decoded = self._flush_decoder()
+                if decoded:  # Platform-specific: Jython.
+                    yield decoded
+
+            # Chunk content ends with \r\n: discard it.
+            while True:
+                line = self._fp.fp.readline()
+                if not line:
+                    # Some sites may not end with '\r\n'.
+                    break
+                if line == b"\r\n":
+                    break
+
+            # We read everything; close the "file".
+            if self._original_response:
+                self._original_response.close()
+
+    def geturl(self):
+        """
+        Returns the URL that was the source of this response.
+        If the request that generated this response redirected, this method
+        will return the final redirect location.
+        """
+        if self.retries is not None and len(self.retries.history):
+            return self.retries.history[-1].redirect_location
+        else:
+            return self._request_url
+
+    def __iter__(self):
+        buffer = [b""]
+        for chunk in self.stream(decode_content=True):
+            if b"\n" in chunk:
+                chunk = chunk.split(b"\n")
+                yield b"".join(buffer) + chunk[0] + b"\n"
+                for x in chunk[1:-1]:
+                    yield x + b"\n"
+                if chunk[-1]:
+                    buffer = [chunk[-1]]
+                else:
+                    buffer = []
+            else:
+                buffer.append(chunk)
+        if buffer:
+            yield b"".join(buffer)
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/__init__.py b/venv/lib/python3.7/site-packages/urllib3/util/__init__.py
new file mode 100644
index 0000000..a96c73a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/__init__.py
@@ -0,0 +1,46 @@
+from __future__ import absolute_import
+
+# For backwards compatibility, provide imports that used to be here.
+from .connection import is_connection_dropped
+from .request import make_headers
+from .response import is_fp_closed
+from .ssl_ import (
+    SSLContext,
+    HAS_SNI,
+    IS_PYOPENSSL,
+    IS_SECURETRANSPORT,
+    assert_fingerprint,
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    ssl_wrap_socket,
+    PROTOCOL_TLS,
+)
+from .timeout import current_time, Timeout
+
+from .retry import Retry
+from .url import get_host, parse_url, split_first, Url
+from .wait import wait_for_read, wait_for_write
+
+__all__ = (
+    "HAS_SNI",
+    "IS_PYOPENSSL",
+    "IS_SECURETRANSPORT",
+    "SSLContext",
+    "PROTOCOL_TLS",
+    "Retry",
+    "Timeout",
+    "Url",
+    "assert_fingerprint",
+    "current_time",
+    "is_connection_dropped",
+    "is_fp_closed",
+    "get_host",
+    "parse_url",
+    "make_headers",
+    "resolve_cert_reqs",
+    "resolve_ssl_version",
+    "split_first",
+    "ssl_wrap_socket",
+    "wait_for_read",
+    "wait_for_write",
+)
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/connection.py b/venv/lib/python3.7/site-packages/urllib3/util/connection.py
new file mode 100644
index 0000000..86f0a3b
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/connection.py
@@ -0,0 +1,138 @@
+from __future__ import absolute_import
+import socket
+from .wait import NoWayToWaitForSocketError, wait_for_read
+from ..contrib import _appengine_environ
+
+
+def is_connection_dropped(conn):  # Platform-specific
+    """
+    Returns True if the connection is dropped and should be closed.
+
+    :param conn:
+        :class:`httplib.HTTPConnection` object.
+
+    Note: For platforms like AppEngine, this will always return ``False`` to
+    let the platform handle connection recycling transparently for us.
+    """
+    sock = getattr(conn, "sock", False)
+    if sock is False:  # Platform-specific: AppEngine
+        return False
+    if sock is None:  # Connection already closed (such as by httplib).
+        return True
+    try:
+        # Returns True if readable, which here means it's been dropped
+        return wait_for_read(sock, timeout=0.0)
+    except NoWayToWaitForSocketError:  # Platform-specific: AppEngine
+        return False
+
+
+# This function is copied from socket.py in the Python 2.7 standard
+# library test suite. Added to its signature is only `socket_options`.
+# One additional modification is that we avoid binding to IPv6 servers
+# discovered in DNS if the system doesn't have IPv6 functionality.
+def create_connection(
+    address,
+    timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+    source_address=None,
+    socket_options=None,
+):
+    """Connect to *address* and return the socket object.
+
+    Convenience function.  Connect to *address* (a 2-tuple ``(host,
+    port)``) and return the socket object.  Passing the optional
+    *timeout* parameter will set the timeout on the socket instance
+    before attempting to connect.  If no *timeout* is supplied, the
+    global default timeout setting returned by :func:`getdefaulttimeout`
+    is used.  If *source_address* is set it must be a tuple of (host, port)
+    for the socket to bind as a source address before making the connection.
+    An host of '' or port 0 tells the OS to use the default.
+    """
+
+    host, port = address
+    if host.startswith("["):
+        host = host.strip("[]")
+    err = None
+
+    # Using the value from allowed_gai_family() in the context of getaddrinfo lets
+    # us select whether to work with IPv4 DNS records, IPv6 records, or both.
+    # The original create_connection function always returns all records.
+    family = allowed_gai_family()
+
+    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
+        af, socktype, proto, canonname, sa = res
+        sock = None
+        try:
+            sock = socket.socket(af, socktype, proto)
+
+            # If provided, set socket level options before connecting.
+            _set_socket_options(sock, socket_options)
+
+            if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
+                sock.settimeout(timeout)
+            if source_address:
+                sock.bind(source_address)
+            sock.connect(sa)
+            return sock
+
+        except socket.error as e:
+            err = e
+            if sock is not None:
+                sock.close()
+                sock = None
+
+    if err is not None:
+        raise err
+
+    raise socket.error("getaddrinfo returns an empty list")
+
+
+def _set_socket_options(sock, options):
+    if options is None:
+        return
+
+    for opt in options:
+        sock.setsockopt(*opt)
+
+
+def allowed_gai_family():
+    """This function is designed to work in the context of
+    getaddrinfo, where family=socket.AF_UNSPEC is the default and
+    will perform a DNS search for both IPv6 and IPv4 records."""
+
+    family = socket.AF_INET
+    if HAS_IPV6:
+        family = socket.AF_UNSPEC
+    return family
+
+
+def _has_ipv6(host):
+    """ Returns True if the system can bind an IPv6 address. """
+    sock = None
+    has_ipv6 = False
+
+    # App Engine doesn't support IPV6 sockets and actually has a quota on the
+    # number of sockets that can be used, so just early out here instead of
+    # creating a socket needlessly.
+    # See https://github.com/urllib3/urllib3/issues/1446
+    if _appengine_environ.is_appengine_sandbox():
+        return False
+
+    if socket.has_ipv6:
+        # has_ipv6 returns true if cPython was compiled with IPv6 support.
+        # It does not tell us if the system has IPv6 support enabled. To
+        # determine that we must bind to an IPv6 address.
+        # https://github.com/urllib3/urllib3/pull/611
+        # https://bugs.python.org/issue658327
+        try:
+            sock = socket.socket(socket.AF_INET6)
+            sock.bind((host, 0))
+            has_ipv6 = True
+        except Exception:
+            pass
+
+    if sock:
+        sock.close()
+    return has_ipv6
+
+
+HAS_IPV6 = _has_ipv6("::1")
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/queue.py b/venv/lib/python3.7/site-packages/urllib3/util/queue.py
new file mode 100644
index 0000000..d3d379a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/queue.py
@@ -0,0 +1,21 @@
+import collections
+from ..packages import six
+from ..packages.six.moves import queue
+
+if six.PY2:
+    # Queue is imported for side effects on MS Windows. See issue #229.
+    import Queue as _unused_module_Queue  # noqa: F401
+
+
+class LifoQueue(queue.Queue):
+    def _init(self, _):
+        self.queue = collections.deque()
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    def _put(self, item):
+        self.queue.append(item)
+
+    def _get(self):
+        return self.queue.pop()
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/request.py b/venv/lib/python3.7/site-packages/urllib3/util/request.py
new file mode 100644
index 0000000..3b7bb54
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/request.py
@@ -0,0 +1,135 @@
+from __future__ import absolute_import
+from base64 import b64encode
+
+from ..packages.six import b, integer_types
+from ..exceptions import UnrewindableBodyError
+
+ACCEPT_ENCODING = "gzip,deflate"
+try:
+    import brotli as _unused_module_brotli  # noqa: F401
+except ImportError:
+    pass
+else:
+    ACCEPT_ENCODING += ",br"
+
+_FAILEDTELL = object()
+
+
+def make_headers(
+    keep_alive=None,
+    accept_encoding=None,
+    user_agent=None,
+    basic_auth=None,
+    proxy_basic_auth=None,
+    disable_cache=None,
+):
+    """
+    Shortcuts for generating request headers.
+
+    :param keep_alive:
+        If ``True``, adds 'connection: keep-alive' header.
+
+    :param accept_encoding:
+        Can be a boolean, list, or string.
+        ``True`` translates to 'gzip,deflate'.
+        List will get joined by comma.
+        String will be used as provided.
+
+    :param user_agent:
+        String representing the user-agent you want, such as
+        "python-urllib3/0.6"
+
+    :param basic_auth:
+        Colon-separated username:password string for 'authorization: basic ...'
+        auth header.
+
+    :param proxy_basic_auth:
+        Colon-separated username:password string for 'proxy-authorization: basic ...'
+        auth header.
+
+    :param disable_cache:
+        If ``True``, adds 'cache-control: no-cache' header.
+
+    Example::
+
+        >>> make_headers(keep_alive=True, user_agent="Batman/1.0")
+        {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
+        >>> make_headers(accept_encoding=True)
+        {'accept-encoding': 'gzip,deflate'}
+    """
+    headers = {}
+    if accept_encoding:
+        if isinstance(accept_encoding, str):
+            pass
+        elif isinstance(accept_encoding, list):
+            accept_encoding = ",".join(accept_encoding)
+        else:
+            accept_encoding = ACCEPT_ENCODING
+        headers["accept-encoding"] = accept_encoding
+
+    if user_agent:
+        headers["user-agent"] = user_agent
+
+    if keep_alive:
+        headers["connection"] = "keep-alive"
+
+    if basic_auth:
+        headers["authorization"] = "Basic " + b64encode(b(basic_auth)).decode("utf-8")
+
+    if proxy_basic_auth:
+        headers["proxy-authorization"] = "Basic " + b64encode(
+            b(proxy_basic_auth)
+        ).decode("utf-8")
+
+    if disable_cache:
+        headers["cache-control"] = "no-cache"
+
+    return headers
+
+
+def set_file_position(body, pos):
+    """
+    If a position is provided, move file to that point.
+    Otherwise, we'll attempt to record a position for future use.
+    """
+    if pos is not None:
+        rewind_body(body, pos)
+    elif getattr(body, "tell", None) is not None:
+        try:
+            pos = body.tell()
+        except (IOError, OSError):
+            # This differentiates from None, allowing us to catch
+            # a failed `tell()` later when trying to rewind the body.
+            pos = _FAILEDTELL
+
+    return pos
+
+
+def rewind_body(body, body_pos):
+    """
+    Attempt to rewind body to a certain position.
+    Primarily used for request redirects and retries.
+
+    :param body:
+        File-like object that supports seek.
+
+    :param int pos:
+        Position to seek to in file.
+    """
+    body_seek = getattr(body, "seek", None)
+    if body_seek is not None and isinstance(body_pos, integer_types):
+        try:
+            body_seek(body_pos)
+        except (IOError, OSError):
+            raise UnrewindableBodyError(
+                "An error occurred when rewinding request body for redirect/retry."
+            )
+    elif body_pos is _FAILEDTELL:
+        raise UnrewindableBodyError(
+            "Unable to record file position for rewinding "
+            "request body during a redirect/retry."
+        )
+    else:
+        raise ValueError(
+            "body_pos must be of type integer, instead it was %s." % type(body_pos)
+        )
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/response.py b/venv/lib/python3.7/site-packages/urllib3/util/response.py
new file mode 100644
index 0000000..715868d
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/response.py
@@ -0,0 +1,86 @@
+from __future__ import absolute_import
+from ..packages.six.moves import http_client as httplib
+
+from ..exceptions import HeaderParsingError
+
+
+def is_fp_closed(obj):
+    """
+    Checks whether a given file-like object is closed.
+
+    :param obj:
+        The file-like object to check.
+    """
+
+    try:
+        # Check `isclosed()` first, in case Python3 doesn't set `closed`.
+        # GH Issue #928
+        return obj.isclosed()
+    except AttributeError:
+        pass
+
+    try:
+        # Check via the official file-like-object way.
+        return obj.closed
+    except AttributeError:
+        pass
+
+    try:
+        # Check if the object is a container for another file-like object that
+        # gets released on exhaustion (e.g. HTTPResponse).
+        return obj.fp is None
+    except AttributeError:
+        pass
+
+    raise ValueError("Unable to determine whether fp is closed.")
+
+
+def assert_header_parsing(headers):
+    """
+    Asserts whether all headers have been successfully parsed.
+    Extracts encountered errors from the result of parsing headers.
+
+    Only works on Python 3.
+
+    :param headers: Headers to verify.
+    :type headers: `httplib.HTTPMessage`.
+
+    :raises urllib3.exceptions.HeaderParsingError:
+        If parsing errors are found.
+    """
+
+    # This will fail silently if we pass in the wrong kind of parameter.
+    # To make debugging easier add an explicit check.
+    if not isinstance(headers, httplib.HTTPMessage):
+        raise TypeError("expected httplib.Message, got {0}.".format(type(headers)))
+
+    defects = getattr(headers, "defects", None)
+    get_payload = getattr(headers, "get_payload", None)
+
+    unparsed_data = None
+    if get_payload:
+        # get_payload is actually email.message.Message.get_payload;
+        # we're only interested in the result if it's not a multipart message
+        if not headers.is_multipart():
+            payload = get_payload()
+
+            if isinstance(payload, (bytes, str)):
+                unparsed_data = payload
+
+    if defects or unparsed_data:
+        raise HeaderParsingError(defects=defects, unparsed_data=unparsed_data)
+
+
+def is_response_to_head(response):
+    """
+    Checks whether the request of a response has been a HEAD-request.
+    Handles the quirks of AppEngine.
+
+    :param conn:
+    :type conn: :class:`httplib.HTTPResponse`
+    """
+    # FIXME: Can we do this somehow without accessing private httplib _method?
+    method = response._method
+    if isinstance(method, int):  # Platform-specific: Appengine
+        return method == 3
+    return method.upper() == "HEAD"
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/retry.py b/venv/lib/python3.7/site-packages/urllib3/util/retry.py
new file mode 100644
index 0000000..5a049fe
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/retry.py
@@ -0,0 +1,450 @@
+from __future__ import absolute_import
+import time
+import logging
+from collections import namedtuple
+from itertools import takewhile
+import email
+import re
+
+from ..exceptions import (
+    ConnectTimeoutError,
+    MaxRetryError,
+    ProtocolError,
+    ReadTimeoutError,
+    ResponseError,
+    InvalidHeader,
+)
+from ..packages import six
+
+
+log = logging.getLogger(__name__)
+
+
+# Data structure for representing the metadata of requests that result in a retry.
+RequestHistory = namedtuple(
+    "RequestHistory", ["method", "url", "error", "status", "redirect_location"]
+)
+
+
+class Retry(object):
+    """ Retry configuration.
+
+    Each retry attempt will create a new Retry object with updated values, so
+    they can be safely reused.
+
+    Retries can be defined as a default for a pool::
+
+        retries = Retry(connect=5, read=2, redirect=5)
+        http = PoolManager(retries=retries)
+        response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool)::
+
+        response = http.request('GET', 'http://example.com/', retries=Retry(10))
+
+    Retries can be disabled by passing ``False``::
+
+        response = http.request('GET', 'http://example.com/', retries=False)
+
+    Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless
+    retries are disabled, in which case the causing exception will be raised.
+
+    :param int total:
+        Total number of retries to allow. Takes precedence over other counts.
+
+        Set to ``None`` to remove this constraint and fall back on other
+        counts. It's a good idea to set this to some sensibly-high value to
+        account for unexpected edge cases and avoid infinite retry loops.
+
+        Set to ``0`` to fail on the first retry.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int connect:
+        How many connection-related errors to retry on.
+
+        These are errors raised before the request is sent to the remote server,
+        which we assume has not triggered the server to process the request.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int read:
+        How many times to retry on read errors.
+
+        These errors are raised after the request was sent to the server, so the
+        request may have side-effects.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int redirect:
+        How many redirects to perform. Limit this to avoid infinite redirect
+        loops.
+
+        A redirect is a HTTP response with a status code 301, 302, 303, 307 or
+        308.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int status:
+        How many times to retry on bad status codes.
+
+        These are retries made on responses, where status code matches
+        ``status_forcelist``.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param iterable method_whitelist:
+        Set of uppercased HTTP method verbs that we should retry on.
+
+        By default, we only retry on methods which are considered to be
+        idempotent (multiple requests with the same parameters end with the
+        same state). See :attr:`Retry.DEFAULT_METHOD_WHITELIST`.
+
+        Set to a ``False`` value to retry on any verb.
+
+    :param iterable status_forcelist:
+        A set of integer HTTP status codes that we should force a retry on.
+        A retry is initiated if the request method is in ``method_whitelist``
+        and the response status code is in ``status_forcelist``.
+
+        By default, this is disabled with ``None``.
+
+    :param float backoff_factor:
+        A backoff factor to apply between attempts after the second try
+        (most errors are resolved immediately by a second try without a
+        delay). urllib3 will sleep for::
+
+            {backoff factor} * (2 ** ({number of total retries} - 1))
+
+        seconds. If the backoff_factor is 0.1, then :func:`.sleep` will sleep
+        for [0.0s, 0.2s, 0.4s, ...] between retries. It will never be longer
+        than :attr:`Retry.BACKOFF_MAX`.
+
+        By default, backoff is disabled (set to 0).
+
+    :param bool raise_on_redirect: Whether, if the number of redirects is
+        exhausted, to raise a MaxRetryError, or to return a response with a
+        response code in the 3xx range.
+
+    :param bool raise_on_status: Similar meaning to ``raise_on_redirect``:
+        whether we should raise an exception, or return a response,
+        if status falls in ``status_forcelist`` range and retries have
+        been exhausted.
+
+    :param tuple history: The history of the request encountered during
+        each call to :meth:`~Retry.increment`. The list is in the order
+        the requests occurred. Each list item is of class :class:`RequestHistory`.
+
+    :param bool respect_retry_after_header:
+        Whether to respect Retry-After header on status codes defined as
+        :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not.
+
+    :param iterable remove_headers_on_redirect:
+        Sequence of headers to remove from the request when a response
+        indicating a redirect is returned before firing off the redirected
+        request.
+    """
+
+    DEFAULT_METHOD_WHITELIST = frozenset(
+        ["HEAD", "GET", "PUT", "DELETE", "OPTIONS", "TRACE"]
+    )
+
+    RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503])
+
+    DEFAULT_REDIRECT_HEADERS_BLACKLIST = frozenset(["Authorization"])
+
+    #: Maximum backoff time.
+    BACKOFF_MAX = 120
+
+    def __init__(
+        self,
+        total=10,
+        connect=None,
+        read=None,
+        redirect=None,
+        status=None,
+        method_whitelist=DEFAULT_METHOD_WHITELIST,
+        status_forcelist=None,
+        backoff_factor=0,
+        raise_on_redirect=True,
+        raise_on_status=True,
+        history=None,
+        respect_retry_after_header=True,
+        remove_headers_on_redirect=DEFAULT_REDIRECT_HEADERS_BLACKLIST,
+    ):
+
+        self.total = total
+        self.connect = connect
+        self.read = read
+        self.status = status
+
+        if redirect is False or total is False:
+            redirect = 0
+            raise_on_redirect = False
+
+        self.redirect = redirect
+        self.status_forcelist = status_forcelist or set()
+        self.method_whitelist = method_whitelist
+        self.backoff_factor = backoff_factor
+        self.raise_on_redirect = raise_on_redirect
+        self.raise_on_status = raise_on_status
+        self.history = history or tuple()
+        self.respect_retry_after_header = respect_retry_after_header
+        self.remove_headers_on_redirect = frozenset(
+            [h.lower() for h in remove_headers_on_redirect]
+        )
+
+    def new(self, **kw):
+        params = dict(
+            total=self.total,
+            connect=self.connect,
+            read=self.read,
+            redirect=self.redirect,
+            status=self.status,
+            method_whitelist=self.method_whitelist,
+            status_forcelist=self.status_forcelist,
+            backoff_factor=self.backoff_factor,
+            raise_on_redirect=self.raise_on_redirect,
+            raise_on_status=self.raise_on_status,
+            history=self.history,
+            remove_headers_on_redirect=self.remove_headers_on_redirect,
+            respect_retry_after_header=self.respect_retry_after_header,
+        )
+        params.update(kw)
+        return type(self)(**params)
+
+    @classmethod
+    def from_int(cls, retries, redirect=True, default=None):
+        """ Backwards-compatibility for the old retries format."""
+        if retries is None:
+            retries = default if default is not None else cls.DEFAULT
+
+        if isinstance(retries, Retry):
+            return retries
+
+        redirect = bool(redirect) and None
+        new_retries = cls(retries, redirect=redirect)
+        log.debug("Converted retries value: %r -> %r", retries, new_retries)
+        return new_retries
+
+    def get_backoff_time(self):
+        """ Formula for computing the current backoff
+
+        :rtype: float
+        """
+        # We want to consider only the last consecutive errors sequence (Ignore redirects).
+        consecutive_errors_len = len(
+            list(
+                takewhile(lambda x: x.redirect_location is None, reversed(self.history))
+            )
+        )
+        if consecutive_errors_len <= 1:
+            return 0
+
+        backoff_value = self.backoff_factor * (2 ** (consecutive_errors_len - 1))
+        return min(self.BACKOFF_MAX, backoff_value)
+
+    def parse_retry_after(self, retry_after):
+        # Whitespace: https://tools.ietf.org/html/rfc7230#section-3.2.4
+        if re.match(r"^\s*[0-9]+\s*$", retry_after):
+            seconds = int(retry_after)
+        else:
+            retry_date_tuple = email.utils.parsedate(retry_after)
+            if retry_date_tuple is None:
+                raise InvalidHeader("Invalid Retry-After header: %s" % retry_after)
+            retry_date = time.mktime(retry_date_tuple)
+            seconds = retry_date - time.time()
+
+        if seconds < 0:
+            seconds = 0
+
+        return seconds
+
+    def get_retry_after(self, response):
+        """ Get the value of Retry-After in seconds. """
+
+        retry_after = response.getheader("Retry-After")
+
+        if retry_after is None:
+            return None
+
+        return self.parse_retry_after(retry_after)
+
+    def sleep_for_retry(self, response=None):
+        retry_after = self.get_retry_after(response)
+        if retry_after:
+            time.sleep(retry_after)
+            return True
+
+        return False
+
+    def _sleep_backoff(self):
+        backoff = self.get_backoff_time()
+        if backoff <= 0:
+            return
+        time.sleep(backoff)
+
+    def sleep(self, response=None):
+        """ Sleep between retry attempts.
+
+        This method will respect a server's ``Retry-After`` response header
+        and sleep the duration of the time requested. If that is not present, it
+        will use an exponential backoff. By default, the backoff factor is 0 and
+        this method will return immediately.
+        """
+
+        if self.respect_retry_after_header and response:
+            slept = self.sleep_for_retry(response)
+            if slept:
+                return
+
+        self._sleep_backoff()
+
+    def _is_connection_error(self, err):
+        """ Errors when we're fairly sure that the server did not receive the
+        request, so it should be safe to retry.
+        """
+        return isinstance(err, ConnectTimeoutError)
+
+    def _is_read_error(self, err):
+        """ Errors that occur after the request has been started, so we should
+        assume that the server began processing it.
+        """
+        return isinstance(err, (ReadTimeoutError, ProtocolError))
+
+    def _is_method_retryable(self, method):
+        """ Checks if a given HTTP method should be retried upon, depending if
+        it is included on the method whitelist.
+        """
+        if self.method_whitelist and method.upper() not in self.method_whitelist:
+            return False
+
+        return True
+
+    def is_retry(self, method, status_code, has_retry_after=False):
+        """ Is this method/status code retryable? (Based on whitelists and control
+        variables such as the number of total retries to allow, whether to
+        respect the Retry-After header, whether this header is present, and
+        whether the returned status code is on the list of status codes to
+        be retried upon on the presence of the aforementioned header)
+        """
+        if not self._is_method_retryable(method):
+            return False
+
+        if self.status_forcelist and status_code in self.status_forcelist:
+            return True
+
+        return (
+            self.total
+            and self.respect_retry_after_header
+            and has_retry_after
+            and (status_code in self.RETRY_AFTER_STATUS_CODES)
+        )
+
+    def is_exhausted(self):
+        """ Are we out of retries? """
+        retry_counts = (self.total, self.connect, self.read, self.redirect, self.status)
+        retry_counts = list(filter(None, retry_counts))
+        if not retry_counts:
+            return False
+
+        return min(retry_counts) < 0
+
+    def increment(
+        self,
+        method=None,
+        url=None,
+        response=None,
+        error=None,
+        _pool=None,
+        _stacktrace=None,
+    ):
+        """ Return a new Retry object with incremented retry counters.
+
+        :param response: A response object, or None, if the server did not
+            return a response.
+        :type response: :class:`~urllib3.response.HTTPResponse`
+        :param Exception error: An error encountered during the request, or
+            None if the response was received successfully.
+
+        :return: A new ``Retry`` object.
+        """
+        if self.total is False and error:
+            # Disabled, indicate to re-raise the error.
+            raise six.reraise(type(error), error, _stacktrace)
+
+        total = self.total
+        if total is not None:
+            total -= 1
+
+        connect = self.connect
+        read = self.read
+        redirect = self.redirect
+        status_count = self.status
+        cause = "unknown"
+        status = None
+        redirect_location = None
+
+        if error and self._is_connection_error(error):
+            # Connect retry?
+            if connect is False:
+                raise six.reraise(type(error), error, _stacktrace)
+            elif connect is not None:
+                connect -= 1
+
+        elif error and self._is_read_error(error):
+            # Read retry?
+            if read is False or not self._is_method_retryable(method):
+                raise six.reraise(type(error), error, _stacktrace)
+            elif read is not None:
+                read -= 1
+
+        elif response and response.get_redirect_location():
+            # Redirect retry?
+            if redirect is not None:
+                redirect -= 1
+            cause = "too many redirects"
+            redirect_location = response.get_redirect_location()
+            status = response.status
+
+        else:
+            # Incrementing because of a server error like a 500 in
+            # status_forcelist and a the given method is in the whitelist
+            cause = ResponseError.GENERIC_ERROR
+            if response and response.status:
+                if status_count is not None:
+                    status_count -= 1
+                cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status)
+                status = response.status
+
+        history = self.history + (
+            RequestHistory(method, url, error, status, redirect_location),
+        )
+
+        new_retry = self.new(
+            total=total,
+            connect=connect,
+            read=read,
+            redirect=redirect,
+            status=status_count,
+            history=history,
+        )
+
+        if new_retry.is_exhausted():
+            raise MaxRetryError(_pool, url, error or ResponseError(cause))
+
+        log.debug("Incremented Retry for (url='%s'): %r", url, new_retry)
+
+        return new_retry
+
+    def __repr__(self):
+        return (
+            "{cls.__name__}(total={self.total}, connect={self.connect}, "
+            "read={self.read}, redirect={self.redirect}, status={self.status})"
+        ).format(cls=type(self), self=self)
+
+
+# For backwards compatibility (equivalent to pre-v1.9):
+Retry.DEFAULT = Retry(3)
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/ssl_.py b/venv/lib/python3.7/site-packages/urllib3/util/ssl_.py
new file mode 100644
index 0000000..8495b77
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/ssl_.py
@@ -0,0 +1,407 @@
+from __future__ import absolute_import
+import errno
+import warnings
+import hmac
+import sys
+
+from binascii import hexlify, unhexlify
+from hashlib import md5, sha1, sha256
+
+from .url import IPV4_RE, BRACELESS_IPV6_ADDRZ_RE
+from ..exceptions import SSLError, InsecurePlatformWarning, SNIMissingWarning
+from ..packages import six
+
+
+SSLContext = None
+HAS_SNI = False
+IS_PYOPENSSL = False
+IS_SECURETRANSPORT = False
+
+# Maps the length of a digest to a possible hash function producing this digest
+HASHFUNC_MAP = {32: md5, 40: sha1, 64: sha256}
+
+
+def _const_compare_digest_backport(a, b):
+    """
+    Compare two digests of equal length in constant time.
+
+    The digests must be of type str/bytes.
+    Returns True if the digests match, and False otherwise.
+    """
+    result = abs(len(a) - len(b))
+    for l, r in zip(bytearray(a), bytearray(b)):
+        result |= l ^ r
+    return result == 0
+
+
+_const_compare_digest = getattr(hmac, "compare_digest", _const_compare_digest_backport)
+
+try:  # Test for SSL features
+    import ssl
+    from ssl import wrap_socket, CERT_REQUIRED
+    from ssl import HAS_SNI  # Has SNI?
+except ImportError:
+    pass
+
+try:  # Platform-specific: Python 3.6
+    from ssl import PROTOCOL_TLS
+
+    PROTOCOL_SSLv23 = PROTOCOL_TLS
+except ImportError:
+    try:
+        from ssl import PROTOCOL_SSLv23 as PROTOCOL_TLS
+
+        PROTOCOL_SSLv23 = PROTOCOL_TLS
+    except ImportError:
+        PROTOCOL_SSLv23 = PROTOCOL_TLS = 2
+
+
+try:
+    from ssl import OP_NO_SSLv2, OP_NO_SSLv3, OP_NO_COMPRESSION
+except ImportError:
+    OP_NO_SSLv2, OP_NO_SSLv3 = 0x1000000, 0x2000000
+    OP_NO_COMPRESSION = 0x20000
+
+
+# A secure default.
+# Sources for more information on TLS ciphers:
+#
+# - https://wiki.mozilla.org/Security/Server_Side_TLS
+# - https://www.ssllabs.com/projects/best-practices/index.html
+# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
+#
+# The general intent is:
+# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE),
+# - prefer ECDHE over DHE for better performance,
+# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and
+#   security,
+# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
+# - disable NULL authentication, MD5 MACs, DSS, and other
+#   insecure ciphers for security reasons.
+# - NOTE: TLS 1.3 cipher suites are managed through a different interface
+#   not exposed by CPython (yet!) and are enabled by default if they're available.
+DEFAULT_CIPHERS = ":".join(
+    [
+        "ECDHE+AESGCM",
+        "ECDHE+CHACHA20",
+        "DHE+AESGCM",
+        "DHE+CHACHA20",
+        "ECDH+AESGCM",
+        "DH+AESGCM",
+        "ECDH+AES",
+        "DH+AES",
+        "RSA+AESGCM",
+        "RSA+AES",
+        "!aNULL",
+        "!eNULL",
+        "!MD5",
+        "!DSS",
+    ]
+)
+
+try:
+    from ssl import SSLContext  # Modern SSL?
+except ImportError:
+
+    class SSLContext(object):  # Platform-specific: Python 2
+        def __init__(self, protocol_version):
+            self.protocol = protocol_version
+            # Use default values from a real SSLContext
+            self.check_hostname = False
+            self.verify_mode = ssl.CERT_NONE
+            self.ca_certs = None
+            self.options = 0
+            self.certfile = None
+            self.keyfile = None
+            self.ciphers = None
+
+        def load_cert_chain(self, certfile, keyfile):
+            self.certfile = certfile
+            self.keyfile = keyfile
+
+        def load_verify_locations(self, cafile=None, capath=None):
+            self.ca_certs = cafile
+
+            if capath is not None:
+                raise SSLError("CA directories not supported in older Pythons")
+
+        def set_ciphers(self, cipher_suite):
+            self.ciphers = cipher_suite
+
+        def wrap_socket(self, socket, server_hostname=None, server_side=False):
+            warnings.warn(
+                "A true SSLContext object is not available. This prevents "
+                "urllib3 from configuring SSL appropriately and may cause "
+                "certain SSL connections to fail. You can upgrade to a newer "
+                "version of Python to solve this. For more information, see "
+                "https://urllib3.readthedocs.io/en/latest/advanced-usage.html"
+                "#ssl-warnings",
+                InsecurePlatformWarning,
+            )
+            kwargs = {
+                "keyfile": self.keyfile,
+                "certfile": self.certfile,
+                "ca_certs": self.ca_certs,
+                "cert_reqs": self.verify_mode,
+                "ssl_version": self.protocol,
+                "server_side": server_side,
+            }
+            return wrap_socket(socket, ciphers=self.ciphers, **kwargs)
+
+
+def assert_fingerprint(cert, fingerprint):
+    """
+    Checks if given fingerprint matches the supplied certificate.
+
+    :param cert:
+        Certificate as bytes object.
+    :param fingerprint:
+        Fingerprint as string of hexdigits, can be interspersed by colons.
+    """
+
+    fingerprint = fingerprint.replace(":", "").lower()
+    digest_length = len(fingerprint)
+    hashfunc = HASHFUNC_MAP.get(digest_length)
+    if not hashfunc:
+        raise SSLError("Fingerprint of invalid length: {0}".format(fingerprint))
+
+    # We need encode() here for py32; works on py2 and p33.
+    fingerprint_bytes = unhexlify(fingerprint.encode())
+
+    cert_digest = hashfunc(cert).digest()
+
+    if not _const_compare_digest(cert_digest, fingerprint_bytes):
+        raise SSLError(
+            'Fingerprints did not match. Expected "{0}", got "{1}".'.format(
+                fingerprint, hexlify(cert_digest)
+            )
+        )
+
+
+def resolve_cert_reqs(candidate):
+    """
+    Resolves the argument to a numeric constant, which can be passed to
+    the wrap_socket function/method from the ssl module.
+    Defaults to :data:`ssl.CERT_NONE`.
+    If given a string it is assumed to be the name of the constant in the
+    :mod:`ssl` module or its abbreviation.
+    (So you can specify `REQUIRED` instead of `CERT_REQUIRED`.
+    If it's neither `None` nor a string we assume it is already the numeric
+    constant which can directly be passed to wrap_socket.
+    """
+    if candidate is None:
+        return CERT_REQUIRED
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "CERT_" + candidate)
+        return res
+
+    return candidate
+
+
+def resolve_ssl_version(candidate):
+    """
+    like resolve_cert_reqs
+    """
+    if candidate is None:
+        return PROTOCOL_TLS
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "PROTOCOL_" + candidate)
+        return res
+
+    return candidate
+
+
+def create_urllib3_context(
+    ssl_version=None, cert_reqs=None, options=None, ciphers=None
+):
+    """All arguments have the same meaning as ``ssl_wrap_socket``.
+
+    By default, this function does a lot of the same work that
+    ``ssl.create_default_context`` does on Python 3.4+. It:
+
+    - Disables SSLv2, SSLv3, and compression
+    - Sets a restricted set of server ciphers
+
+    If you wish to enable SSLv3, you can do::
+
+        from urllib3.util import ssl_
+        context = ssl_.create_urllib3_context()
+        context.options &= ~ssl_.OP_NO_SSLv3
+
+    You can do the same to enable compression (substituting ``COMPRESSION``
+    for ``SSLv3`` in the last line above).
+
+    :param ssl_version:
+        The desired protocol version to use. This will default to
+        PROTOCOL_SSLv23 which will negotiate the highest protocol that both
+        the server and your installation of OpenSSL support.
+    :param cert_reqs:
+        Whether to require the certificate verification. This defaults to
+        ``ssl.CERT_REQUIRED``.
+    :param options:
+        Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``,
+        ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``.
+    :param ciphers:
+        Which cipher suites to allow the server to select.
+    :returns:
+        Constructed SSLContext object with specified options
+    :rtype: SSLContext
+    """
+    context = SSLContext(ssl_version or PROTOCOL_TLS)
+
+    context.set_ciphers(ciphers or DEFAULT_CIPHERS)
+
+    # Setting the default here, as we may have no ssl module on import
+    cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs
+
+    if options is None:
+        options = 0
+        # SSLv2 is easily broken and is considered harmful and dangerous
+        options |= OP_NO_SSLv2
+        # SSLv3 has several problems and is now dangerous
+        options |= OP_NO_SSLv3
+        # Disable compression to prevent CRIME attacks for OpenSSL 1.0+
+        # (issue #309)
+        options |= OP_NO_COMPRESSION
+
+    context.options |= options
+
+    # Enable post-handshake authentication for TLS 1.3, see GH #1634. PHA is
+    # necessary for conditional client cert authentication with TLS 1.3.
+    # The attribute is None for OpenSSL <= 1.1.0 or does not exist in older
+    # versions of Python.  We only enable on Python 3.7.4+ or if certificate
+    # verification is enabled to work around Python issue #37428
+    # See: https://bugs.python.org/issue37428
+    if (cert_reqs == ssl.CERT_REQUIRED or sys.version_info >= (3, 7, 4)) and getattr(
+        context, "post_handshake_auth", None
+    ) is not None:
+        context.post_handshake_auth = True
+
+    context.verify_mode = cert_reqs
+    if (
+        getattr(context, "check_hostname", None) is not None
+    ):  # Platform-specific: Python 3.2
+        # We do our own verification, including fingerprints and alternative
+        # hostnames. So disable it here
+        context.check_hostname = False
+    return context
+
+
+def ssl_wrap_socket(
+    sock,
+    keyfile=None,
+    certfile=None,
+    cert_reqs=None,
+    ca_certs=None,
+    server_hostname=None,
+    ssl_version=None,
+    ciphers=None,
+    ssl_context=None,
+    ca_cert_dir=None,
+    key_password=None,
+):
+    """
+    All arguments except for server_hostname, ssl_context, and ca_cert_dir have
+    the same meaning as they do when using :func:`ssl.wrap_socket`.
+
+    :param server_hostname:
+        When SNI is supported, the expected hostname of the certificate
+    :param ssl_context:
+        A pre-made :class:`SSLContext` object. If none is provided, one will
+        be created using :func:`create_urllib3_context`.
+    :param ciphers:
+        A string of ciphers we wish the client to support.
+    :param ca_cert_dir:
+        A directory containing CA certificates in multiple separate files, as
+        supported by OpenSSL's -CApath flag or the capath argument to
+        SSLContext.load_verify_locations().
+    :param key_password:
+        Optional password if the keyfile is encrypted.
+    """
+    context = ssl_context
+    if context is None:
+        # Note: This branch of code and all the variables in it are no longer
+        # used by urllib3 itself. We should consider deprecating and removing
+        # this code.
+        context = create_urllib3_context(ssl_version, cert_reqs, ciphers=ciphers)
+
+    if ca_certs or ca_cert_dir:
+        try:
+            context.load_verify_locations(ca_certs, ca_cert_dir)
+        except IOError as e:  # Platform-specific: Python 2.7
+            raise SSLError(e)
+        # Py33 raises FileNotFoundError which subclasses OSError
+        # These are not equivalent unless we check the errno attribute
+        except OSError as e:  # Platform-specific: Python 3.3 and beyond
+            if e.errno == errno.ENOENT:
+                raise SSLError(e)
+            raise
+
+    elif ssl_context is None and hasattr(context, "load_default_certs"):
+        # try to load OS default certs; works well on Windows (require Python3.4+)
+        context.load_default_certs()
+
+    # Attempt to detect if we get the goofy behavior of the
+    # keyfile being encrypted and OpenSSL asking for the
+    # passphrase via the terminal and instead error out.
+    if keyfile and key_password is None and _is_key_file_encrypted(keyfile):
+        raise SSLError("Client private key is encrypted, password is required")
+
+    if certfile:
+        if key_password is None:
+            context.load_cert_chain(certfile, keyfile)
+        else:
+            context.load_cert_chain(certfile, keyfile, key_password)
+
+    # If we detect server_hostname is an IP address then the SNI
+    # extension should not be used according to RFC3546 Section 3.1
+    # We shouldn't warn the user if SNI isn't available but we would
+    # not be using SNI anyways due to IP address for server_hostname.
+    if (
+        server_hostname is not None and not is_ipaddress(server_hostname)
+    ) or IS_SECURETRANSPORT:
+        if HAS_SNI and server_hostname is not None:
+            return context.wrap_socket(sock, server_hostname=server_hostname)
+
+        warnings.warn(
+            "An HTTPS request has been made, but the SNI (Server Name "
+            "Indication) extension to TLS is not available on this platform. "
+            "This may cause the server to present an incorrect TLS "
+            "certificate, which can cause validation failures. You can upgrade to "
+            "a newer version of Python to solve this. For more information, see "
+            "https://urllib3.readthedocs.io/en/latest/advanced-usage.html"
+            "#ssl-warnings",
+            SNIMissingWarning,
+        )
+
+    return context.wrap_socket(sock)
+
+
+def is_ipaddress(hostname):
+    """Detects whether the hostname given is an IPv4 or IPv6 address.
+    Also detects IPv6 addresses with Zone IDs.
+
+    :param str hostname: Hostname to examine.
+    :return: True if the hostname is an IP address, False otherwise.
+    """
+    if not six.PY2 and isinstance(hostname, bytes):
+        # IDN A-label bytes are ASCII compatible.
+        hostname = hostname.decode("ascii")
+    return bool(IPV4_RE.match(hostname) or BRACELESS_IPV6_ADDRZ_RE.match(hostname))
+
+
+def _is_key_file_encrypted(key_file):
+    """Detects if a key file is encrypted or not."""
+    with open(key_file, "r") as f:
+        for line in f:
+            # Look for Proc-Type: 4,ENCRYPTED
+            if "ENCRYPTED" in line:
+                return True
+
+    return False
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/timeout.py b/venv/lib/python3.7/site-packages/urllib3/util/timeout.py
new file mode 100644
index 0000000..9883700
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/timeout.py
@@ -0,0 +1,258 @@
+from __future__ import absolute_import
+
+# The default socket timeout, used by httplib to indicate that no timeout was
+# specified by the user
+from socket import _GLOBAL_DEFAULT_TIMEOUT
+import time
+
+from ..exceptions import TimeoutStateError
+
+# A sentinel value to indicate that no timeout was specified by the user in
+# urllib3
+_Default = object()
+
+
+# Use time.monotonic if available.
+current_time = getattr(time, "monotonic", time.time)
+
+
+class Timeout(object):
+    """ Timeout configuration.
+
+    Timeouts can be defined as a default for a pool::
+
+        timeout = Timeout(connect=2.0, read=7.0)
+        http = PoolManager(timeout=timeout)
+        response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool)::
+
+        response = http.request('GET', 'http://example.com/', timeout=Timeout(10))
+
+    Timeouts can be disabled by setting all the parameters to ``None``::
+
+        no_timeout = Timeout(connect=None, read=None)
+        response = http.request('GET', 'http://example.com/, timeout=no_timeout)
+
+
+    :param total:
+        This combines the connect and read timeouts into one; the read timeout
+        will be set to the time leftover from the connect attempt. In the
+        event that both a connect timeout and a total are specified, or a read
+        timeout and a total are specified, the shorter timeout will be applied.
+
+        Defaults to None.
+
+    :type total: integer, float, or None
+
+    :param connect:
+        The maximum amount of time (in seconds) to wait for a connection
+        attempt to a server to succeed. Omitting the parameter will default the
+        connect timeout to the system default, probably `the global default
+        timeout in socket.py
+        `_.
+        None will set an infinite timeout for connection attempts.
+
+    :type connect: integer, float, or None
+
+    :param read:
+        The maximum amount of time (in seconds) to wait between consecutive
+        read operations for a response from the server. Omitting the parameter
+        will default the read timeout to the system default, probably `the
+        global default timeout in socket.py
+        `_.
+        None will set an infinite timeout.
+
+    :type read: integer, float, or None
+
+    .. note::
+
+        Many factors can affect the total amount of time for urllib3 to return
+        an HTTP response.
+
+        For example, Python's DNS resolver does not obey the timeout specified
+        on the socket. Other factors that can affect total request time include
+        high CPU load, high swap, the program running at a low priority level,
+        or other behaviors.
+
+        In addition, the read and total timeouts only measure the time between
+        read operations on the socket connecting the client and the server,
+        not the total amount of time for the request to return a complete
+        response. For most requests, the timeout is raised because the server
+        has not sent the first byte in the specified time. This is not always
+        the case; if a server streams one byte every fifteen seconds, a timeout
+        of 20 seconds will not trigger, even though the request will take
+        several minutes to complete.
+
+        If your goal is to cut off any request after a set amount of wall clock
+        time, consider having a second "watcher" thread to cut off a slow
+        request.
+    """
+
+    #: A sentinel object representing the default timeout value
+    DEFAULT_TIMEOUT = _GLOBAL_DEFAULT_TIMEOUT
+
+    def __init__(self, total=None, connect=_Default, read=_Default):
+        self._connect = self._validate_timeout(connect, "connect")
+        self._read = self._validate_timeout(read, "read")
+        self.total = self._validate_timeout(total, "total")
+        self._start_connect = None
+
+    def __str__(self):
+        return "%s(connect=%r, read=%r, total=%r)" % (
+            type(self).__name__,
+            self._connect,
+            self._read,
+            self.total,
+        )
+
+    @classmethod
+    def _validate_timeout(cls, value, name):
+        """ Check that a timeout attribute is valid.
+
+        :param value: The timeout value to validate
+        :param name: The name of the timeout attribute to validate. This is
+            used to specify in error messages.
+        :return: The validated and casted version of the given value.
+        :raises ValueError: If it is a numeric value less than or equal to
+            zero, or the type is not an integer, float, or None.
+        """
+        if value is _Default:
+            return cls.DEFAULT_TIMEOUT
+
+        if value is None or value is cls.DEFAULT_TIMEOUT:
+            return value
+
+        if isinstance(value, bool):
+            raise ValueError(
+                "Timeout cannot be a boolean value. It must "
+                "be an int, float or None."
+            )
+        try:
+            float(value)
+        except (TypeError, ValueError):
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        try:
+            if value <= 0:
+                raise ValueError(
+                    "Attempted to set %s timeout to %s, but the "
+                    "timeout cannot be set to a value less "
+                    "than or equal to 0." % (name, value)
+                )
+        except TypeError:
+            # Python 3
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        return value
+
+    @classmethod
+    def from_float(cls, timeout):
+        """ Create a new Timeout from a legacy timeout value.
+
+        The timeout value used by httplib.py sets the same timeout on the
+        connect(), and recv() socket requests. This creates a :class:`Timeout`
+        object that sets the individual timeouts to the ``timeout`` value
+        passed to this function.
+
+        :param timeout: The legacy timeout value.
+        :type timeout: integer, float, sentinel default object, or None
+        :return: Timeout object
+        :rtype: :class:`Timeout`
+        """
+        return Timeout(read=timeout, connect=timeout)
+
+    def clone(self):
+        """ Create a copy of the timeout object
+
+        Timeout properties are stored per-pool but each request needs a fresh
+        Timeout object to ensure each one has its own start/stop configured.
+
+        :return: a copy of the timeout object
+        :rtype: :class:`Timeout`
+        """
+        # We can't use copy.deepcopy because that will also create a new object
+        # for _GLOBAL_DEFAULT_TIMEOUT, which socket.py uses as a sentinel to
+        # detect the user default.
+        return Timeout(connect=self._connect, read=self._read, total=self.total)
+
+    def start_connect(self):
+        """ Start the timeout clock, used during a connect() attempt
+
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to start a timer that has been started already.
+        """
+        if self._start_connect is not None:
+            raise TimeoutStateError("Timeout timer has already been started.")
+        self._start_connect = current_time()
+        return self._start_connect
+
+    def get_connect_duration(self):
+        """ Gets the time elapsed since the call to :meth:`start_connect`.
+
+        :return: Elapsed time in seconds.
+        :rtype: float
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to get duration for a timer that hasn't been started.
+        """
+        if self._start_connect is None:
+            raise TimeoutStateError(
+                "Can't get connect duration for timer that has not started."
+            )
+        return current_time() - self._start_connect
+
+    @property
+    def connect_timeout(self):
+        """ Get the value to use when setting a connection timeout.
+
+        This will be a positive float or integer, the value None
+        (never timeout), or the default system timeout.
+
+        :return: Connect timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        """
+        if self.total is None:
+            return self._connect
+
+        if self._connect is None or self._connect is self.DEFAULT_TIMEOUT:
+            return self.total
+
+        return min(self._connect, self.total)
+
+    @property
+    def read_timeout(self):
+        """ Get the value for the read timeout.
+
+        This assumes some time has elapsed in the connection timeout and
+        computes the read timeout appropriately.
+
+        If self.total is set, the read timeout is dependent on the amount of
+        time taken by the connect timeout. If the connection time has not been
+        established, a :exc:`~urllib3.exceptions.TimeoutStateError` will be
+        raised.
+
+        :return: Value to use for the read timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        :raises urllib3.exceptions.TimeoutStateError: If :meth:`start_connect`
+            has not yet been called on this object.
+        """
+        if (
+            self.total is not None
+            and self.total is not self.DEFAULT_TIMEOUT
+            and self._read is not None
+            and self._read is not self.DEFAULT_TIMEOUT
+        ):
+            # In case the connect timeout has not yet been established.
+            if self._start_connect is None:
+                return self._read
+            return max(0, min(self.total - self.get_connect_duration(), self._read))
+        elif self.total is not None and self.total is not self.DEFAULT_TIMEOUT:
+            return max(0, self.total - self.get_connect_duration())
+        else:
+            return self._read
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/url.py b/venv/lib/python3.7/site-packages/urllib3/util/url.py
new file mode 100644
index 0000000..f7568e9
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/url.py
@@ -0,0 +1,436 @@
+from __future__ import absolute_import
+import re
+from collections import namedtuple
+
+from ..exceptions import LocationParseError
+from ..packages import six
+
+
+url_attrs = ["scheme", "auth", "host", "port", "path", "query", "fragment"]
+
+# We only want to normalize urls with an HTTP(S) scheme.
+# urllib3 infers URLs without a scheme (None) to be http.
+NORMALIZABLE_SCHEMES = ("http", "https", None)
+
+# Almost all of these patterns were derived from the
+# 'rfc3986' module: https://github.com/python-hyper/rfc3986
+PERCENT_RE = re.compile(r"%[a-fA-F0-9]{2}")
+SCHEME_RE = re.compile(r"^(?:[a-zA-Z][a-zA-Z0-9+-]*:|/)")
+URI_RE = re.compile(
+    r"^(?:([a-zA-Z][a-zA-Z0-9+.-]*):)?"
+    r"(?://([^/?#]*))?"
+    r"([^?#]*)"
+    r"(?:\?([^#]*))?"
+    r"(?:#(.*))?$",
+    re.UNICODE | re.DOTALL,
+)
+
+IPV4_PAT = r"(?:[0-9]{1,3}\.){3}[0-9]{1,3}"
+HEX_PAT = "[0-9A-Fa-f]{1,4}"
+LS32_PAT = "(?:{hex}:{hex}|{ipv4})".format(hex=HEX_PAT, ipv4=IPV4_PAT)
+_subs = {"hex": HEX_PAT, "ls32": LS32_PAT}
+_variations = [
+    #                            6( h16 ":" ) ls32
+    "(?:%(hex)s:){6}%(ls32)s",
+    #                       "::" 5( h16 ":" ) ls32
+    "::(?:%(hex)s:){5}%(ls32)s",
+    # [               h16 ] "::" 4( h16 ":" ) ls32
+    "(?:%(hex)s)?::(?:%(hex)s:){4}%(ls32)s",
+    # [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    "(?:(?:%(hex)s:)?%(hex)s)?::(?:%(hex)s:){3}%(ls32)s",
+    # [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    "(?:(?:%(hex)s:){0,2}%(hex)s)?::(?:%(hex)s:){2}%(ls32)s",
+    # [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    "(?:(?:%(hex)s:){0,3}%(hex)s)?::%(hex)s:%(ls32)s",
+    # [ *4( h16 ":" ) h16 ] "::"              ls32
+    "(?:(?:%(hex)s:){0,4}%(hex)s)?::%(ls32)s",
+    # [ *5( h16 ":" ) h16 ] "::"              h16
+    "(?:(?:%(hex)s:){0,5}%(hex)s)?::%(hex)s",
+    # [ *6( h16 ":" ) h16 ] "::"
+    "(?:(?:%(hex)s:){0,6}%(hex)s)?::",
+]
+
+UNRESERVED_PAT = r"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._!\-~"
+IPV6_PAT = "(?:" + "|".join([x % _subs for x in _variations]) + ")"
+ZONE_ID_PAT = "(?:%25|%)(?:[" + UNRESERVED_PAT + "]|%[a-fA-F0-9]{2})+"
+IPV6_ADDRZ_PAT = r"\[" + IPV6_PAT + r"(?:" + ZONE_ID_PAT + r")?\]"
+REG_NAME_PAT = r"(?:[^\[\]%:/?#]|%[a-fA-F0-9]{2})*"
+TARGET_RE = re.compile(r"^(/[^?#]*)(?:\?([^#]*))?(?:#.*)?$")
+
+IPV4_RE = re.compile("^" + IPV4_PAT + "$")
+IPV6_RE = re.compile("^" + IPV6_PAT + "$")
+IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
+BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
+ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
+
+SUBAUTHORITY_PAT = (u"^(?:(.*)@)?(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
+    REG_NAME_PAT,
+    IPV4_PAT,
+    IPV6_ADDRZ_PAT,
+)
+SUBAUTHORITY_RE = re.compile(SUBAUTHORITY_PAT, re.UNICODE | re.DOTALL)
+
+UNRESERVED_CHARS = set(
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-~"
+)
+SUB_DELIM_CHARS = set("!$&'()*+,;=")
+USERINFO_CHARS = UNRESERVED_CHARS | SUB_DELIM_CHARS | {":"}
+PATH_CHARS = USERINFO_CHARS | {"@", "/"}
+QUERY_CHARS = FRAGMENT_CHARS = PATH_CHARS | {"?"}
+
+
+class Url(namedtuple("Url", url_attrs)):
+    """
+    Data structure for representing an HTTP URL. Used as a return value for
+    :func:`parse_url`. Both the scheme and host are normalized as they are
+    both case-insensitive according to RFC 3986.
+    """
+
+    __slots__ = ()
+
+    def __new__(
+        cls,
+        scheme=None,
+        auth=None,
+        host=None,
+        port=None,
+        path=None,
+        query=None,
+        fragment=None,
+    ):
+        if path and not path.startswith("/"):
+            path = "/" + path
+        if scheme is not None:
+            scheme = scheme.lower()
+        return super(Url, cls).__new__(
+            cls, scheme, auth, host, port, path, query, fragment
+        )
+
+    @property
+    def hostname(self):
+        """For backwards-compatibility with urlparse. We're nice like that."""
+        return self.host
+
+    @property
+    def request_uri(self):
+        """Absolute path including the query string."""
+        uri = self.path or "/"
+
+        if self.query is not None:
+            uri += "?" + self.query
+
+        return uri
+
+    @property
+    def netloc(self):
+        """Network location including host and port"""
+        if self.port:
+            return "%s:%d" % (self.host, self.port)
+        return self.host
+
+    @property
+    def url(self):
+        """
+        Convert self into a url
+
+        This function should more or less round-trip with :func:`.parse_url`. The
+        returned url may not be exactly the same as the url inputted to
+        :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls
+        with a blank port will have : removed).
+
+        Example: ::
+
+            >>> U = parse_url('http://google.com/mail/')
+            >>> U.url
+            'http://google.com/mail/'
+            >>> Url('http', 'username:password', 'host.com', 80,
+            ... '/path', 'query', 'fragment').url
+            'http://username:password@host.com:80/path?query#fragment'
+        """
+        scheme, auth, host, port, path, query, fragment = self
+        url = u""
+
+        # We use "is not None" we want things to happen with empty strings (or 0 port)
+        if scheme is not None:
+            url += scheme + u"://"
+        if auth is not None:
+            url += auth + u"@"
+        if host is not None:
+            url += host
+        if port is not None:
+            url += u":" + str(port)
+        if path is not None:
+            url += path
+        if query is not None:
+            url += u"?" + query
+        if fragment is not None:
+            url += u"#" + fragment
+
+        return url
+
+    def __str__(self):
+        return self.url
+
+
+def split_first(s, delims):
+    """
+    .. deprecated:: 1.25
+
+    Given a string and an iterable of delimiters, split on the first found
+    delimiter. Return two split parts and the matched delimiter.
+
+    If not found, then the first part is the full input string.
+
+    Example::
+
+        >>> split_first('foo/bar?baz', '?/=')
+        ('foo', 'bar?baz', '/')
+        >>> split_first('foo/bar?baz', '123')
+        ('foo/bar?baz', '', None)
+
+    Scales linearly with number of delims. Not ideal for large number of delims.
+    """
+    min_idx = None
+    min_delim = None
+    for d in delims:
+        idx = s.find(d)
+        if idx < 0:
+            continue
+
+        if min_idx is None or idx < min_idx:
+            min_idx = idx
+            min_delim = d
+
+    if min_idx is None or min_idx < 0:
+        return s, "", None
+
+    return s[:min_idx], s[min_idx + 1 :], min_delim
+
+
+def _encode_invalid_chars(component, allowed_chars, encoding="utf-8"):
+    """Percent-encodes a URI component without reapplying
+    onto an already percent-encoded component.
+    """
+    if component is None:
+        return component
+
+    component = six.ensure_text(component)
+
+    # Try to see if the component we're encoding is already percent-encoded
+    # so we can skip all '%' characters but still encode all others.
+    percent_encodings = PERCENT_RE.findall(component)
+
+    # Normalize existing percent-encoded bytes.
+    for enc in percent_encodings:
+        if not enc.isupper():
+            component = component.replace(enc, enc.upper())
+
+    uri_bytes = component.encode("utf-8", "surrogatepass")
+    is_percent_encoded = len(percent_encodings) == uri_bytes.count(b"%")
+
+    encoded_component = bytearray()
+
+    for i in range(0, len(uri_bytes)):
+        # Will return a single character bytestring on both Python 2 & 3
+        byte = uri_bytes[i : i + 1]
+        byte_ord = ord(byte)
+        if (is_percent_encoded and byte == b"%") or (
+            byte_ord < 128 and byte.decode() in allowed_chars
+        ):
+            encoded_component.extend(byte)
+            continue
+        encoded_component.extend(b"%" + (hex(byte_ord)[2:].encode().zfill(2).upper()))
+
+    return encoded_component.decode(encoding)
+
+
+def _remove_path_dot_segments(path):
+    # See http://tools.ietf.org/html/rfc3986#section-5.2.4 for pseudo-code
+    segments = path.split("/")  # Turn the path into a list of segments
+    output = []  # Initialize the variable to use to store output
+
+    for segment in segments:
+        # '.' is the current directory, so ignore it, it is superfluous
+        if segment == ".":
+            continue
+        # Anything other than '..', should be appended to the output
+        elif segment != "..":
+            output.append(segment)
+        # In this case segment == '..', if we can, we should pop the last
+        # element
+        elif output:
+            output.pop()
+
+    # If the path starts with '/' and the output is empty or the first string
+    # is non-empty
+    if path.startswith("/") and (not output or output[0]):
+        output.insert(0, "")
+
+    # If the path starts with '/.' or '/..' ensure we add one more empty
+    # string to add a trailing '/'
+    if path.endswith(("/.", "/..")):
+        output.append("")
+
+    return "/".join(output)
+
+
+def _normalize_host(host, scheme):
+    if host:
+        if isinstance(host, six.binary_type):
+            host = six.ensure_str(host)
+
+        if scheme in NORMALIZABLE_SCHEMES:
+            is_ipv6 = IPV6_ADDRZ_RE.match(host)
+            if is_ipv6:
+                match = ZONE_ID_RE.search(host)
+                if match:
+                    start, end = match.span(1)
+                    zone_id = host[start:end]
+
+                    if zone_id.startswith("%25") and zone_id != "%25":
+                        zone_id = zone_id[3:]
+                    else:
+                        zone_id = zone_id[1:]
+                    zone_id = "%" + _encode_invalid_chars(zone_id, UNRESERVED_CHARS)
+                    return host[:start].lower() + zone_id + host[end:]
+                else:
+                    return host.lower()
+            elif not IPV4_RE.match(host):
+                return six.ensure_str(
+                    b".".join([_idna_encode(label) for label in host.split(".")])
+                )
+    return host
+
+
+def _idna_encode(name):
+    if name and any([ord(x) > 128 for x in name]):
+        try:
+            import idna
+        except ImportError:
+            six.raise_from(
+                LocationParseError("Unable to parse URL without the 'idna' module"),
+                None,
+            )
+        try:
+            return idna.encode(name.lower(), strict=True, std3_rules=True)
+        except idna.IDNAError:
+            six.raise_from(
+                LocationParseError(u"Name '%s' is not a valid IDNA label" % name), None
+            )
+    return name.lower().encode("ascii")
+
+
+def _encode_target(target):
+    """Percent-encodes a request target so that there are no invalid characters"""
+    if not target.startswith("/"):
+        return target
+
+    path, query = TARGET_RE.match(target).groups()
+    target = _encode_invalid_chars(path, PATH_CHARS)
+    query = _encode_invalid_chars(query, QUERY_CHARS)
+    if query is not None:
+        target += "?" + query
+    return target
+
+
+def parse_url(url):
+    """
+    Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is
+    performed to parse incomplete urls. Fields not provided will be None.
+    This parser is RFC 3986 compliant.
+
+    The parser logic and helper functions are based heavily on
+    work done in the ``rfc3986`` module.
+
+    :param str url: URL to parse into a :class:`.Url` namedtuple.
+
+    Partly backwards-compatible with :mod:`urlparse`.
+
+    Example::
+
+        >>> parse_url('http://google.com/mail/')
+        Url(scheme='http', host='google.com', port=None, path='/mail/', ...)
+        >>> parse_url('google.com:80')
+        Url(scheme=None, host='google.com', port=80, path=None, ...)
+        >>> parse_url('/foo?bar')
+        Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...)
+    """
+    if not url:
+        # Empty
+        return Url()
+
+    source_url = url
+    if not SCHEME_RE.search(url):
+        url = "//" + url
+
+    try:
+        scheme, authority, path, query, fragment = URI_RE.match(url).groups()
+        normalize_uri = scheme is None or scheme.lower() in NORMALIZABLE_SCHEMES
+
+        if scheme:
+            scheme = scheme.lower()
+
+        if authority:
+            auth, host, port = SUBAUTHORITY_RE.match(authority).groups()
+            if auth and normalize_uri:
+                auth = _encode_invalid_chars(auth, USERINFO_CHARS)
+            if port == "":
+                port = None
+        else:
+            auth, host, port = None, None, None
+
+        if port is not None:
+            port = int(port)
+            if not (0 <= port <= 65535):
+                raise LocationParseError(url)
+
+        host = _normalize_host(host, scheme)
+
+        if normalize_uri and path:
+            path = _remove_path_dot_segments(path)
+            path = _encode_invalid_chars(path, PATH_CHARS)
+        if normalize_uri and query:
+            query = _encode_invalid_chars(query, QUERY_CHARS)
+        if normalize_uri and fragment:
+            fragment = _encode_invalid_chars(fragment, FRAGMENT_CHARS)
+
+    except (ValueError, AttributeError):
+        return six.raise_from(LocationParseError(source_url), None)
+
+    # For the sake of backwards compatibility we put empty
+    # string values for path if there are any defined values
+    # beyond the path in the URL.
+    # TODO: Remove this when we break backwards compatibility.
+    if not path:
+        if query is not None or fragment is not None:
+            path = ""
+        else:
+            path = None
+
+    # Ensure that each part of the URL is a `str` for
+    # backwards compatibility.
+    if isinstance(url, six.text_type):
+        ensure_func = six.ensure_text
+    else:
+        ensure_func = six.ensure_str
+
+    def ensure_type(x):
+        return x if x is None else ensure_func(x)
+
+    return Url(
+        scheme=ensure_type(scheme),
+        auth=ensure_type(auth),
+        host=ensure_type(host),
+        port=port,
+        path=ensure_type(path),
+        query=ensure_type(query),
+        fragment=ensure_type(fragment),
+    )
+
+
+def get_host(url):
+    """
+    Deprecated. Use :func:`parse_url` instead.
+    """
+    p = parse_url(url)
+    return p.scheme or "http", p.hostname, p.port
diff --git a/venv/lib/python3.7/site-packages/urllib3/util/wait.py b/venv/lib/python3.7/site-packages/urllib3/util/wait.py
new file mode 100644
index 0000000..d71d2fd
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/urllib3/util/wait.py
@@ -0,0 +1,153 @@
+import errno
+from functools import partial
+import select
+import sys
+
+try:
+    from time import monotonic
+except ImportError:
+    from time import time as monotonic
+
+__all__ = ["NoWayToWaitForSocketError", "wait_for_read", "wait_for_write"]
+
+
+class NoWayToWaitForSocketError(Exception):
+    pass
+
+
+# How should we wait on sockets?
+#
+# There are two types of APIs you can use for waiting on sockets: the fancy
+# modern stateful APIs like epoll/kqueue, and the older stateless APIs like
+# select/poll. The stateful APIs are more efficient when you have a lots of
+# sockets to keep track of, because you can set them up once and then use them
+# lots of times. But we only ever want to wait on a single socket at a time
+# and don't want to keep track of state, so the stateless APIs are actually
+# more efficient. So we want to use select() or poll().
+#
+# Now, how do we choose between select() and poll()? On traditional Unixes,
+# select() has a strange calling convention that makes it slow, or fail
+# altogether, for high-numbered file descriptors. The point of poll() is to fix
+# that, so on Unixes, we prefer poll().
+#
+# On Windows, there is no poll() (or at least Python doesn't provide a wrapper
+# for it), but that's OK, because on Windows, select() doesn't have this
+# strange calling convention; plain select() works fine.
+#
+# So: on Windows we use select(), and everywhere else we use poll(). We also
+# fall back to select() in case poll() is somehow broken or missing.
+
+if sys.version_info >= (3, 5):
+    # Modern Python, that retries syscalls by default
+    def _retry_on_intr(fn, timeout):
+        return fn(timeout)
+
+
+else:
+    # Old and broken Pythons.
+    def _retry_on_intr(fn, timeout):
+        if timeout is None:
+            deadline = float("inf")
+        else:
+            deadline = monotonic() + timeout
+
+        while True:
+            try:
+                return fn(timeout)
+            # OSError for 3 <= pyver < 3.5, select.error for pyver <= 2.7
+            except (OSError, select.error) as e:
+                # 'e.args[0]' incantation works for both OSError and select.error
+                if e.args[0] != errno.EINTR:
+                    raise
+                else:
+                    timeout = deadline - monotonic()
+                    if timeout < 0:
+                        timeout = 0
+                    if timeout == float("inf"):
+                        timeout = None
+                    continue
+
+
+def select_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    rcheck = []
+    wcheck = []
+    if read:
+        rcheck.append(sock)
+    if write:
+        wcheck.append(sock)
+    # When doing a non-blocking connect, most systems signal success by
+    # marking the socket writable. Windows, though, signals success by marked
+    # it as "exceptional". We paper over the difference by checking the write
+    # sockets for both conditions. (The stdlib selectors module does the same
+    # thing.)
+    fn = partial(select.select, rcheck, wcheck, wcheck)
+    rready, wready, xready = _retry_on_intr(fn, timeout)
+    return bool(rready or wready or xready)
+
+
+def poll_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    mask = 0
+    if read:
+        mask |= select.POLLIN
+    if write:
+        mask |= select.POLLOUT
+    poll_obj = select.poll()
+    poll_obj.register(sock, mask)
+
+    # For some reason, poll() takes timeout in milliseconds
+    def do_poll(t):
+        if t is not None:
+            t *= 1000
+        return poll_obj.poll(t)
+
+    return bool(_retry_on_intr(do_poll, timeout))
+
+
+def null_wait_for_socket(*args, **kwargs):
+    raise NoWayToWaitForSocketError("no select-equivalent available")
+
+
+def _have_working_poll():
+    # Apparently some systems have a select.poll that fails as soon as you try
+    # to use it, either due to strange configuration or broken monkeypatching
+    # from libraries like eventlet/greenlet.
+    try:
+        poll_obj = select.poll()
+        _retry_on_intr(poll_obj.poll, 0)
+    except (AttributeError, OSError):
+        return False
+    else:
+        return True
+
+
+def wait_for_socket(*args, **kwargs):
+    # We delay choosing which implementation to use until the first time we're
+    # called. We could do it at import time, but then we might make the wrong
+    # decision if someone goes wild with monkeypatching select.poll after
+    # we're imported.
+    global wait_for_socket
+    if _have_working_poll():
+        wait_for_socket = poll_wait_for_socket
+    elif hasattr(select, "select"):
+        wait_for_socket = select_wait_for_socket
+    else:  # Platform-specific: Appengine.
+        wait_for_socket = null_wait_for_socket
+    return wait_for_socket(*args, **kwargs)
+
+
+def wait_for_read(sock, timeout=None):
+    """ Waits for reading to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, read=True, timeout=timeout)
+
+
+def wait_for_write(sock, timeout=None):
+    """ Waits for writing to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, write=True, timeout=timeout)
diff --git a/venv/lib64 b/venv/lib64
new file mode 120000
index 0000000..7951405
--- /dev/null
+++ b/venv/lib64
@@ -0,0 +1 @@
+lib
\ No newline at end of file
diff --git a/venv/pyvenv.cfg b/venv/pyvenv.cfg
new file mode 100644
index 0000000..bafe8a4
--- /dev/null
+++ b/venv/pyvenv.cfg
@@ -0,0 +1,3 @@
+home = /usr/bin
+include-system-site-packages = false
+version = 3.7.5