Python3 Migrate

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)