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inspect.signature: Support classes without user-defined __init__/__new__ #20308

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This commit is contained in:
Yury Selivanov 2014-01-27 19:29:45 -05:00
parent 7aedea40d6
commit e7dcc5e97a
3 changed files with 28 additions and 0 deletions
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14
Lib/test/test_inspect.py
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@ -2045,6 +2045,20 @@ class TestSignatureObject(unittest.TestCase):
('bar', 2, ..., "keyword_only")),
...))
# Test classes without user-defined __init__ or __new__
class C: pass
self.assertEqual(str(inspect.signature(C)), '()')
class D(C): pass
self.assertEqual(str(inspect.signature(D)), '()')
# Test meta-classes without user-defined __init__ or __new__
class C(type): pass
self.assertEqual(str(inspect.signature(C)),
'(object_or_name, bases, dict)')
class D(C): pass
self.assertEqual(str(inspect.signature(D)),
'(object_or_name, bases, dict)')
def test_signature_on_callable_objects(self):
class Foo:
def __call__(self, a):