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gh-101015: Fix typing.get_type_hints with unpacked *tuple (PEP 646) (#101031)

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Nikita Sobolev 2023-01-23 10:52:58 +03:00 • committed by GitHub
parent d717be04dc
commit 807d6b576f
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3 changed files with 36 additions and 1 deletions
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30
Lib/test/test_typing.py
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@ -1224,6 +1224,36 @@ class TypeVarTupleTests(BaseTestCase):
self.assertIs(D[T].__origin__, D)
self.assertIs(D[Unpack[Ts]].__origin__, D)
def test_get_type_hints_on_unpack_args(self):
Ts = TypeVarTuple('Ts')
def func1(*args: *Ts): pass
self.assertEqual(gth(func1), {'args': Unpack[Ts]})
def func2(*args: *tuple[int, str]): pass
self.assertEqual(gth(func2), {'args': Unpack[tuple[int, str]]})
class CustomVariadic(Generic[*Ts]): pass
def func3(*args: *CustomVariadic[int, str]): pass
self.assertEqual(gth(func3), {'args': Unpack[CustomVariadic[int, str]]})
def test_get_type_hints_on_unpack_args_string(self):
Ts = TypeVarTuple('Ts')
def func1(*args: '*Ts'): pass
self.assertEqual(gth(func1, localns={'Ts': Ts}),
{'args': Unpack[Ts]})
def func2(*args: '*tuple[int, str]'): pass
self.assertEqual(gth(func2), {'args': Unpack[tuple[int, str]]})
class CustomVariadic(Generic[*Ts]): pass
def func3(*args: '*CustomVariadic[int, str]'): pass
self.assertEqual(gth(func3, localns={'CustomVariadic': CustomVariadic}),
{'args': Unpack[CustomVariadic[int, str]]})
def test_tuple_args_are_correct(self):
Ts = TypeVarTuple('Ts')