setuptools & distutils: ClassVar mutables (and tuples)
#12403
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srittau
approved these changes
Jul 22, 2024
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mypy_primer looks like a true-positive due to runtime backwards compatibility (that requires a @srittau I reset your review since I included a few additional lines right afterward. |
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max-muoto
reviewed
Jul 22, 2024
stubs/setuptools/setuptools/msvc.pyi
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| @@ -17,7 +19,11 @@ class PlatformInfo: | |||
| def cross_dir(self, forcex86: bool = False): ... | |||
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| class RegistryInfo: | |||
| HKEYS: Incomplete | |||
| if sys.platform == "win32": | |||
| HKEYS: ClassVar[tuple[int, int, int, int]] | |||
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Any reason not to use Final here? It would effectively interpreted as an immutable ClassVar here.
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I think this can be made Final. I doubt it's meant to be overridden by subclasses
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This was referenced Jul 22, 2024
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Diff from mypy_primer, showing the effect of this PR on open source code: setuptools (https://github.com/pypa/setuptools)
+ setuptools/command/__init__.py:6: error: No overload variant of "__setitem__" of "list" matches argument types "str", "Tuple[str, str]" [call-overload]
+ setuptools/command/__init__.py:6: note: Possible overload variants:
+ setuptools/command/__init__.py:6: note: def __setitem__(self, SupportsIndex, str, /) -> None
+ setuptools/command/__init__.py:6: note: def __setitem__(self, slice, Iterable[str], /) -> None
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srittau
approved these changes
Jul 23, 2024
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Update the type for all class-level dicts, lists and tuples that I found.
Reduces changes in #12400
Reduces bare
Any(#9550)