gh-110682: Ignore __match_args__ from __instancecheck__ in protocols
#110683
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sobolevn
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gvanrossum,
Fidget-Spinner,
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AlexWaygood
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sobolevn
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__match_args__ from __intancecheck__ in protocols__match_args__ from __instancecheck__ in protocols
AlexWaygood
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Oct 11, 2023
Misc/NEWS.d/next/Library/2023-10-11-11-00-11.gh-issue-110682.bXRFaX.rst
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For me - this is a bugfix, this makes |
…XRFaX.rst Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
AlexWaygood
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Oct 11, 2023
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I think it's more than a bugfix. It can cause quite significant changes is user code behavior. Let's not backport it, so if user code has a dependency on this (that they probably don't even know about), they won't have to debug and fix it when they install a bugfix upgrade of CPython. |
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Agree with Guido, but I'd be OK with making this change in typing-extensions and including it in the next feature release. |
JelleZijlstra
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Oct 12, 2023
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Dec 11, 2023
# Release 4.9.0 (December 9, 2023) This feature release adds `typing_extensions.ReadOnly`, as specified by PEP 705, and makes various other improvements, especially to `@typing_extensions.deprecated()`. There are no changes since 4.9.0rc1. # Release 4.9.0rc1 (November 29, 2023) - Add support for PEP 705, adding `typing_extensions.ReadOnly`. Patch by Jelle Zijlstra. - All parameters on `NewType.__call__` are now positional-only. This means that the signature of `typing_extensions.NewType.__call__` now exactly matches the signature of `typing.NewType.__call__`. Patch by Alex Waygood. - Fix bug with using `@deprecated` on a mixin class. Inheriting from a deprecated class now raises a `DeprecationWarning`. Patch by Jelle Zijlstra. - `@deprecated` now gives a better error message if you pass a non-`str` argument to the `msg` parameter. Patch by Alex Waygood. - `@deprecated` is now implemented as a class for better introspectability. Patch by Jelle Zijlstra. - Exclude `__match_args__` from `Protocol` members. Backport of python/cpython#110683 by Nikita Sobolev. - When creating a `typing_extensions.NamedTuple` class, ensure `__set_name__` is called on all objects that define `__set_name__` and exist in the values of the `NamedTuple` class's class dictionary. Patch by Alex Waygood, backporting python/cpython#111876. - Improve the error message when trying to call `issubclass()` against a `Protocol` that has non-method members. Patch by Alex Waygood (backporting python/cpython#112344, by Randolph Scholz).
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__match_args__+runtime_checkableprotocol #110682