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Issue 8814: functools.wraps() did not copy __annotations__.

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This commit is contained in:
Raymond Hettinger 2010-08-08 00:56:52 +00:00
parent f56c9cd30d
commit c6d80c1bef
5 changed files with 17 additions and 7 deletions
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8
Lib/test/test_functools.py
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@ -181,17 +181,19 @@ class TestUpdateWrapper(unittest.TestCase):
self.assertTrue(wrapped_attr[key] is wrapper_attr[key])
def test_default_update(self):
def f():
def f(a:'This is a new annotation'):
"""This is a test"""
pass
f.attr = 'This is also a test'
def wrapper():
def wrapper(b:'This is the prior annotation'):
pass
functools.update_wrapper(wrapper, f)
self.check_wrapper(wrapper, f)
self.assertEqual(wrapper.__name__, 'f')
self.assertEqual(wrapper.__doc__, 'This is a test')
self.assertEqual(wrapper.attr, 'This is also a test')
self.assertEqual(wrapper.__annotations__['a'], 'This is a new annotation')
self.assertNotIn('b', wrapper.__annotations__)
def test_no_update(self):
def f():
@ -204,6 +206,7 @@ class TestUpdateWrapper(unittest.TestCase):
self.check_wrapper(wrapper, f, (), ())
self.assertEqual(wrapper.__name__, 'wrapper')
self.assertEqual(wrapper.__doc__, None)
self.assertEqual(wrapper.__annotations__, {})
self.assertFalse(hasattr(wrapper, 'attr'))
def test_selective_update(self):
@ -230,6 +233,7 @@ class TestUpdateWrapper(unittest.TestCase):
functools.update_wrapper(wrapper, max)
self.assertEqual(wrapper.__name__, 'max')
self.assertTrue(wrapper.__doc__.startswith('max('))
self.assertEqual(wrapper.__annotations__, {})
class TestWraps(TestUpdateWrapper):