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[3.10] bpo-46676: Make ParamSpec args and kwargs equal to themselves (GH-31203) (GH-31210)

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(cherry picked from commit c8b62bbe46)

Co-authored-by: Gregory Beauregard <greg@greg.red>
This commit is contained in:
Gregory Beauregard 2022-02-08 00:41:13 -08:00 • committed by GitHub
parent 9539400390
commit cbdcae5ab9
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3 changed files with 19 additions and 0 deletions
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8
Lib/test/test_typing.py
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@ -4823,12 +4823,20 @@ class ParamSpecTests(BaseTestCase):
def test_args_kwargs(self): def test_args_kwargs(self):
P = ParamSpec('P') P = ParamSpec('P')
P_2 = ParamSpec('P_2')
self.assertIn('args', dir(P)) self.assertIn('args', dir(P))
self.assertIn('kwargs', dir(P)) self.assertIn('kwargs', dir(P))
self.assertIsInstance(P.args, ParamSpecArgs) self.assertIsInstance(P.args, ParamSpecArgs)
self.assertIsInstance(P.kwargs, ParamSpecKwargs) self.assertIsInstance(P.kwargs, ParamSpecKwargs)
self.assertIs(P.args.__origin__, P) self.assertIs(P.args.__origin__, P)
self.assertIs(P.kwargs.__origin__, P) self.assertIs(P.kwargs.__origin__, P)
self.assertEqual(P.args, P.args)
self.assertEqual(P.kwargs, P.kwargs)
self.assertNotEqual(P.args, P_2.args)
self.assertNotEqual(P.kwargs, P_2.kwargs)
self.assertNotEqual(P.args, P.kwargs)
self.assertNotEqual(P.kwargs, P.args)
self.assertNotEqual(P.args, P_2.kwargs)
self.assertEqual(repr(P.args), "P.args") self.assertEqual(repr(P.args), "P.args")
self.assertEqual(repr(P.kwargs), "P.kwargs") self.assertEqual(repr(P.kwargs), "P.kwargs")

10
Lib/typing.py
View file

@ -830,6 +830,11 @@ class ParamSpecArgs(_Final, _Immutable, _root=True):
def __repr__(self): def __repr__(self):
return f"{self.__origin__.__name__}.args" return f"{self.__origin__.__name__}.args"
def __eq__(self, other):
if not isinstance(other, ParamSpecArgs):
return NotImplemented
return self.__origin__ == other.__origin__
class ParamSpecKwargs(_Final, _Immutable, _root=True): class ParamSpecKwargs(_Final, _Immutable, _root=True):
"""The kwargs for a ParamSpec object. """The kwargs for a ParamSpec object.
@ -849,6 +854,11 @@ class ParamSpecKwargs(_Final, _Immutable, _root=True):
def __repr__(self): def __repr__(self):
return f"{self.__origin__.__name__}.kwargs" return f"{self.__origin__.__name__}.kwargs"
def __eq__(self, other):
if not isinstance(other, ParamSpecKwargs):
return NotImplemented
return self.__origin__ == other.__origin__
class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True): class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True):
"""Parameter specification variable. """Parameter specification variable.

1
Misc/NEWS.d/next/Library/2022-02-07-19-20-42.bpo-46676.3Aws1o.rst Normal file
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@ -0,0 +1 @@
Make :data:`typing.ParamSpec` args and kwargs equal to themselves. Patch by Gregory Beauregard.