Python3 Migrate

venv/lib/python3.7/site-packages/tornado/platform/auto.py

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+#
+# 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"]