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inspect: Fix BoundArguments.apply_defaults to handle empty arguments

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Patch by Frederick Wagner (issue #26347)
This commit is contained in:
Yury Selivanov 2016-03-02 11:07:47 -05:00
parent 1bd030788d
commit f9e1f2bda9
2 changed files with 7 additions and 2 deletions
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7
Lib/test/test_inspect.py
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@ -3324,6 +3324,13 @@ class TestBoundArguments(unittest.TestCase):
ba.apply_defaults()
self.assertEqual(list(ba.arguments.items()), [])
# Make sure a no-args binding still acquires proper defaults.
def foo(a='spam'): pass
sig = inspect.signature(foo)
ba = sig.bind()
ba.apply_defaults()
self.assertEqual(list(ba.arguments.items()), [('a', 'spam')])
class TestSignaturePrivateHelpers(unittest.TestCase):
def test_signature_get_bound_param(self):