python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/encodings/cp65001.py

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+"""
+Code page 65001: Windows UTF-8 (CP_UTF8).
+"""
+
+import codecs
+import functools
+
+if not hasattr(codecs, 'code_page_encode'):
+    raise LookupError("cp65001 encoding is only available on Windows")
+
+### Codec APIs
+
+encode = functools.partial(codecs.code_page_encode, 65001)
+_decode = functools.partial(codecs.code_page_decode, 65001)
+
+def decode(input, errors='strict'):
+    return codecs.code_page_decode(65001, input, errors, True)
+
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    _buffer_decode = _decode
+
+class StreamWriter(codecs.StreamWriter):
+    encode = encode
+
+class StreamReader(codecs.StreamReader):
+    decode = _decode
+
+### encodings module API
+
+def getregentry():
+    return codecs.CodecInfo(
+        name='cp65001',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )