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[3.9] bpo-45461: Fix IncrementalDecoder and StreamReader in the "unicode-escape" codec (GH-28939) (GH-28945)

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They support now splitting escape sequences between input chunks.

Add the third parameter "final" in codecs.unicode_escape_decode().
It is True by default to match the former behavior.
(cherry picked from commit c96d1546b1)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Serhiy Storchaka 2021-10-14 20:03:29 +03:00 • committed by GitHub
parent 38fadbc5b9
commit 7c722e32bf
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10 changed files with 9836 additions and 4890 deletions
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9
Lib/encodings/unicode_escape.py
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@ -21,15 +21,16 @@ class IncrementalEncoder(codecs.IncrementalEncoder):
def encode(self, input, final=False):
return codecs.unicode_escape_encode(input, self.errors)[0]
class IncrementalDecoder(codecs.IncrementalDecoder):
def decode(self, input, final=False):
return codecs.unicode_escape_decode(input, self.errors)[0]
class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
def _buffer_decode(self, input, errors, final):
return codecs.unicode_escape_decode(input, errors, final)
class StreamWriter(Codec,codecs.StreamWriter):
pass
class StreamReader(Codec,codecs.StreamReader):
pass
def decode(self, input, errors='strict'):
return codecs.unicode_escape_decode(input, errors, False)
### encodings module API