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Code Issues Projects Releases Packages Wiki Activity Actions 21

Close issue 17482: don't overwrite __wrapped__

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This commit is contained in:
Nick Coghlan 2013-07-15 21:13:08 +10:00
parent 6180a2f453
commit 24c05bc154
5 changed files with 34 additions and 6 deletions
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14
Lib/test/test_functools.py
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@ -224,19 +224,26 @@ class TestUpdateWrapper(unittest.TestCase):
updated=functools.WRAPPER_UPDATES):
# Check attributes were assigned
for name in assigned:
self.assertTrue(getattr(wrapper, name) is getattr(wrapped, name))
self.assertIs(getattr(wrapper, name), getattr(wrapped, name))
# Check attributes were updated
for name in updated:
wrapper_attr = getattr(wrapper, name)
wrapped_attr = getattr(wrapped, name)
for key in wrapped_attr:
self.assertTrue(wrapped_attr[key] is wrapper_attr[key])
if name == "__dict__" and key == "__wrapped__":
# __wrapped__ is overwritten by the update code
continue
self.assertIs(wrapped_attr[key], wrapper_attr[key])
# Check __wrapped__
self.assertIs(wrapper.__wrapped__, wrapped)
def _default_update(self):
def f(a:'This is a new annotation'):
"""This is a test"""
pass
f.attr = 'This is also a test'
f.__wrapped__ = "This is a bald faced lie"
def wrapper(b:'This is the prior annotation'):
pass
functools.update_wrapper(wrapper, f)
@ -331,14 +338,15 @@ class TestWraps(TestUpdateWrapper):
"""This is a test"""
pass
f.attr = 'This is also a test'
f.__wrapped__ = "This is still a bald faced lie"
@functools.wraps(f)
def wrapper():
pass
self.check_wrapper(wrapper, f)
return wrapper, f
def test_default_update(self):
wrapper, f = self._default_update()
self.check_wrapper(wrapper, f)
self.assertEqual(wrapper.__name__, 'f')
self.assertEqual(wrapper.__qualname__, f.__qualname__)
self.assertEqual(wrapper.attr, 'This is also a test')