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gh-126705: Make os.PathLike more like a protocol (#126706)

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it can now be used as a base class in other protocols
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Stephen Morton 2024-11-12 09:54:13 -08:00 • committed by GitHub
parent 73cf069099
commit a83472f49b
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4
Lib/test/test_typing.py
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@ -8,6 +8,7 @@
import inspect import inspect
import itertools import itertools
import operator import operator
import os
import pickle import pickle
import re import re
import sys import sys
@ -4252,6 +4253,9 @@ def test_builtin_protocol_allowlist(self):
class CustomProtocol(TestCase, Protocol): class CustomProtocol(TestCase, Protocol):
pass pass
class CustomPathLikeProtocol(os.PathLike, Protocol):
pass
class CustomContextManager(typing.ContextManager, Protocol): class CustomContextManager(typing.ContextManager, Protocol):
pass pass

1
Lib/typing.py
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@ -1944,6 +1944,7 @@ def _allow_reckless_class_checks(depth=2):
'Reversible', 'Buffer', 'Reversible', 'Buffer',
], ],
'contextlib': ['AbstractContextManager', 'AbstractAsyncContextManager'], 'contextlib': ['AbstractContextManager', 'AbstractAsyncContextManager'],
'os': ['PathLike'],
} }

1
Misc/NEWS.d/next/Library/2024-11-11-14-52-21.gh-issue-126705.0W7jFW.rst Normal file
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@ -0,0 +1 @@
Allow :class:`os.PathLike` to be a base for Protocols.