bpo-24214: Fixed the UTF-8 and UTF-16 incremental decoders. #14304
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* The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False.
serhiy-storchaka
added
type-bug
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Is there a test case similar to the one in wsproto project's test present in test_codecs.py to check for from codecs import getincrementaldecoder
decoder = getincrementaldecoder("utf-8")()
print(decoder.decode(b'f\xf1\xf6rd', False)) |
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I was not sure that we should guarantee this behavior. But new tests helped to make the fix more limited. |
methane
approved these changes
Jun 25, 2019
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Thanks @serhiy-storchaka for the PR |
miss-islington
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Jun 25, 2019
…-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False. (cherry picked from commit 894263b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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GH-14368 is a backport of this pull request to the 3.8 branch. |
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GH-14369 is a backport of this pull request to the 3.7 branch. |
miss-islington
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Jun 25, 2019
…-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False. (cherry picked from commit 894263b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
miss-islington
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* The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False. (cherry picked from commit 894263b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
vstinner
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Jun 25, 2019
…-14304) (GH-14369) * bpo-24214: Fixed the UTF-8 and UTF-16 incremental decoders. (GH-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False. (cherry picked from commit 894263b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
ned-deily
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Jul 2, 2019
…thonGH-14304) (pythonGH-14369) * bpo-24214: Fixed the UTF-8 and UTF-16 incremental decoders. (pythonGH-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False. (cherry picked from commit 894263b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
lisroach
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Sep 10, 2019
…-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False.
DinoV
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Jan 14, 2020
…-14304) * The UTF-8 incremental decoders fails now fast if encounter a sequence that can't be handled by the error handler. * The UTF-16 incremental decoders with the surrogatepass error handler decodes now a lone low surrogate with final=False.
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a sequence that can't be handled by the error handler.
handler decodes now a lone low surrogate with final=False.
https://bugs.python.org/issue24214