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gh-140873: Add support of non-descriptor callables in functools.singledispatchmethod() (GH-140884)

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Serhiy Storchaka 2025-11-13 19:48:52 +02:00 • committed by GitHub
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commit b2b68d40f8
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5 changed files with 52 additions and 3 deletions
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Lib/functools.py
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@ -1083,7 +1083,10 @@ def __call__(self, /, *args, **kwargs):
'singledispatchmethod method')
raise TypeError(f'{funcname} requires at least '
'1 positional argument')
return self._dispatch(args[0].__class__).__get__(self._obj, self._cls)(*args, **kwargs)
method = self._dispatch(args[0].__class__)
if hasattr(method, "__get__"):
method = method.__get__(self._obj, self._cls)
return method(*args, **kwargs)
def __getattr__(self, name):
# Resolve these attributes lazily to speed up creation of