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bpo-29914: Fix default implementations of __reduce__ and __reduce_ex__(). (#843)

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object.__reduce__() no longer takes arguments, object.__reduce_ex__() now
requires one argument.
This commit is contained in:
Serhiy Storchaka 2017-04-08 09:52:59 +03:00 • committed by GitHub
parent dd9a0a14c8
commit 205e00c5cf
4 changed files with 34 additions and 39 deletions
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15
Lib/test/test_descr.py
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@ -5236,7 +5236,20 @@ class PicklingTests(unittest.TestCase):
import copyreg
expected = (copyreg.__newobj__, (A,), (None, {'spam': 42}), None, None)
self.assertEqual(A().__reduce__(2), expected) # Shouldn't crash
self.assertEqual(A().__reduce_ex__(2), expected) # Shouldn't crash
def test_object_reduce(self):
# Issue #29914
# __reduce__() takes no arguments
object().__reduce__()
with self.assertRaises(TypeError):
object().__reduce__(0)
# __reduce_ex__() takes one integer argument
object().__reduce_ex__(0)
with self.assertRaises(TypeError):
object().__reduce_ex__()
with self.assertRaises(TypeError):
object().__reduce_ex__(None)
class SharedKeyTests(unittest.TestCase):