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gh-118402: Fix inspect.signature() for functools.cmp_to_key() result (GH-118427)

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Serhiy Storchaka 2024-04-30 17:49:28 +03:00 • committed by GitHub
parent 02887c6428
commit 17a8af9508
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3 changed files with 23 additions and 3 deletions
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12
Lib/test/test_functools.py
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@ -947,8 +947,13 @@ class TestCmpToKey:
@unittest.skipIf(support.MISSING_C_DOCSTRINGS,
"Signature information for builtins requires docstrings")
def test_cmp_to_signature(self):
self.assertEqual(str(Signature.from_callable(self.cmp_to_key)),
'(mycmp)')
sig = Signature.from_callable(self.cmp_to_key)
self.assertEqual(str(sig), '(mycmp)')
def mycmp(x, y):
return y - x
sig = Signature.from_callable(self.cmp_to_key(mycmp))
self.assertEqual(str(sig), '(obj)')
@unittest.skipUnless(c_functools, 'requires the C _functools module')
@ -1864,9 +1869,10 @@ class TestLRU:
self.assertIsNone(ref())
def test_common_signatures(self):
def orig(): ...
def orig(a, /, b, c=True): ...
lru = self.module.lru_cache(1)(orig)
self.assertEqual(str(Signature.from_callable(lru)), '(a, /, b, c=True)')
self.assertEqual(str(Signature.from_callable(lru.cache_info)), '()')
self.assertEqual(str(Signature.from_callable(lru.cache_clear)), '()')