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[3.12] gh-109818: reprlib.recursive_repr copies __type_params__ (… (#109999)

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[3.12] gh-109818: `reprlib.recursive_repr` copies `__type_params__` (GH-109819).
(cherry picked from commit f65f9e80fe)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
This commit is contained in:
Jelle Zijlstra 2023-10-02 08:41:26 -07:00 • committed by GitHub
parent dd67e59bb1
commit 9be6a11199
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3 changed files with 14 additions and 0 deletions
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11
Lib/test/test_reprlib.py
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@ -765,5 +765,16 @@ class TestRecursiveRepr(unittest.TestCase):
for name in assigned:
self.assertIs(getattr(wrapper, name), getattr(wrapped, name))
def test__type_params__(self):
class My:
@recursive_repr()
def __repr__[T: str](self, default: T = '') -> str:
return default
type_params = My().__repr__.__type_params__
self.assertEqual(len(type_params), 1)
self.assertEqual(type_params[0].__name__, 'T')
self.assertEqual(type_params[0].__bound__, str)
if __name__ == "__main__":
unittest.main()