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[3.5] bpo-29532: Altering a kwarg dictionary passed to functools.partial() no longer affects a partial object after creation. (#222)

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Serhiy Storchaka 2017-02-22 11:46:32 +02:00 • committed by GitHub
parent 8fa7e22134
commit 5010a77a4d
3 changed files with 16 additions and 1 deletions
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9
Lib/test/test_functools.py
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@ -80,6 +80,15 @@ class TestPartial:
p(b=7)
self.assertEqual(d, {'a':3})
def test_kwargs_copy(self):
# Issue #29532: Altering a kwarg dictionary passed to a constructor
# should not affect a partial object after creation
d = {'a': 3}
p = self.partial(capture, **d)
self.assertEqual(p(), ((), {'a': 3}))
d['a'] = 5
self.assertEqual(p(), ((), {'a': 3}))
def test_arg_combinations(self):
# exercise special code paths for zero args in either partial
# object or the caller