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Title: bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing by Fidget-Spinner · Pull Request #23060 · python/cpython · GitHub

Open Graph Title: bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing by Fidget-Spinner · Pull Request #23060 · python/cpython

X Title: bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing by Fidget-Spinner · Pull Request #23060 · python/cpython

Description: This patch fixes bpo-42195 via changing the GenericAlias builtin and subclassing for collections.abc.Callable's __class_getitem__. The changes are: Made GenericAlias subclassable. Subclassed it in collections.abc.Callable's __class_getitem__ to allow for consistentency with typing.Callable's __args__. This includes flattening the __args__. >>> import collections.abc >>> alias = collections.abc.Callable[[int, str], dict] >>> alias collections.abc.Callable[[int, str], dict] >>> alias.__args__ (int, str, dict) Added tests for the above. Remove bad typing tests which subclassed from Callable[... T]. Loosened type checks for Callable's argtypes in Callable[[argtypes], resulttype] to prepare for PEP 612. https://bugs.python.org/issue42195

Open Graph Description: This patch fixes bpo-42195 via changing the GenericAlias builtin and subclassing for collections.abc.Callable's __class_getitem__. The changes are: Made GenericAlias subclassable. Subclassed i...

X Description: This patch fixes bpo-42195 via changing the GenericAlias builtin and subclassing for collections.abc.Callable's __class_getitem__. The changes are: Made GenericAlias subclassable. Subclass...

Opengraph URL: https://github.com/python/cpython/pull/23060

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bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing https://github.com/python/cpython/pull/23060/files#top
Show all changes 31 commits https://github.com/python/cpython/pull/23060/files
2c4a297 Allow subclassing of GenericAlias, fix collections.abc.Callable's Gen… Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/2c4a297703423a8ffc9680cc633c86ccfaae47b1
588d421 fix typing tests, add hash and eq methods Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/588d421984b46da1a07ffb14729d0ce65cc45769
050fa13 Fix pickling Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/050fa13f34c2ac978df586475a29e316f9f89a2d
f60ea8a whitespace Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/f60ea8a932935d2423a4a25ce1f1c6d647dc7b26
2f3c6dc Add test specifically for bpo Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/2f3c6dc90b4e35885a57b30ece0f8a3f994e779a
2c4508e update error message Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/2c4508e74d609afd268fa8871cadaf3ccf3bd0d7
19d2973 Appease test_site Fidget-Spinner Oct 31, 2020 https://github.com/python/cpython/pull/23060/commits/19d29736bcb7b9293f521eb6763d01b0e0a1e2a9
3116c8e Represent Callable __args__ via [tuple[args], result] Fidget-Spinner Nov 19, 2020 https://github.com/python/cpython/pull/23060/commits/3116c8ea356bbad159a34a9505441afd3ffa16ed
f2b593a add back tests for weakref, styling nits, add news Fidget-Spinner Nov 19, 2020 https://github.com/python/cpython/pull/23060/commits/f2b593a2a5e8867376c977dd94986336a552cb9d
93d51e4 remove redundant tuple checks leftover from old code Fidget-Spinner Nov 19, 2020 https://github.com/python/cpython/pull/23060/commits/93d51e4c3a1f15d04400ce401ff2eae59e8c60fc
327e1a5 Use _PosArgs instead of tuple Fidget-Spinner Nov 28, 2020 https://github.com/python/cpython/pull/23060/commits/327e1a5bb75e4320c41ef0d3aabff2c1c407fac4
e971ccb Fix typo and news Fidget-Spinner Nov 29, 2020 https://github.com/python/cpython/pull/23060/commits/e971ccb7e83b80cc2868f1390edb03f38e782547
abd8b98 Refactor C code to use less duplication Fidget-Spinner Nov 30, 2020 https://github.com/python/cpython/pull/23060/commits/abd8b98bcd8b05c31ce4db0969f1b901c7c4e8a6
3ddca06 Address most of Guido's reviews (tests failing on purpose) Fidget-Spinner Dec 1, 2020 https://github.com/python/cpython/pull/23060/commits/3ddca0664b4e53d525ace1947128ed11ff6d452c
1ab59c5 try to revert back to good old flat tuple __args__ days Fidget-Spinner Dec 2, 2020 https://github.com/python/cpython/pull/23060/commits/1ab59c56ccf39c18f46f238369a0c2c4e9b82c23
ee2d2e1 getting even closer Fidget-Spinner Dec 2, 2020 https://github.com/python/cpython/pull/23060/commits/ee2d2e1570d93283f56222691bc0e82befbc2d43
2015738 finally done Fidget-Spinner Dec 2, 2020 https://github.com/python/cpython/pull/23060/commits/20157382932e0e1ef17e8b7974b7a4bbdd6a1d4f
6704ffd Update news Fidget-Spinner Dec 4, 2020 https://github.com/python/cpython/pull/23060/commits/6704ffda0d8454789d261231e7c36d0627197b64
598d29b Address review partially Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/598d29bc0ce52c78e4bc723749911ed8ec86d384
c43ebcf Address review fully, update news and tests, remove try-except block Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/c43ebcf9cc51d62a2135934e6dca2920670aee3f
37ae3a9 Borrowed references don't need decref Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/37ae3a92ef5e53dcffa92dbbdd743708934c2327
adbfcad improve _PyArg_NoKwnames error handling, add union and subclass tests Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/adbfcadbdcbe04be667312388c4a20869637380e
d1dd627 Don't change getargs, use _PyArg_NoKeywords instead Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/d1dd627b560fbb6c342cd59d3e23435736219589
2c21045 Merge remote-tracking branch 'upstream/master' into abc-callable-ga Fidget-Spinner Dec 5, 2020 https://github.com/python/cpython/pull/23060/commits/2c210451f39e33f5c33937759ce7802296d3dea5
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a789620 refactor C code, add deprecation warning for 3.9 Fidget-Spinner Dec 6, 2020 https://github.com/python/cpython/pull/23060/commits/a7896206ea64ee9ec781aa4a97c13cae3a71d6e9
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6b11d33 Loosen type checks for Callable args, cast to PyObject in genericalia… Fidget-Spinner Dec 11, 2020 https://github.com/python/cpython/pull/23060/commits/6b11d33acb75af3229406a65155755b1c50b24ae
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