Close #13247: Add cp65001 codec, the Windows UTF-8 (CP_UTF8)
diff --git a/Lib/encodings/cp65001.py b/Lib/encodings/cp65001.py
new file mode 100644
index 0000000..287eb87
--- /dev/null
+++ b/Lib/encodings/cp65001.py
@@ -0,0 +1,40 @@
+"""
+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)
+
+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,
+ )