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[3.9] bpo-41789: honor object overrides in Enum classes (GH-22250) (GH-22272)

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EnumMeta double-checks that `__repr__`, `__str__`, `__format__`, and `__reduce_ex__` are not the same as `object`'s, and replaces them if they are -- even if that replacement was intentionally done in the Enum being constructed.  This patch fixes that.
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Ethan Furman 2020-09-16 03:58:33 -07:00 • committed by GitHub
parent 95b81e2f8c
commit a4677068dd
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3 changed files with 14 additions and 1 deletions
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9
Lib/test/test_enum.py
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@ -552,6 +552,14 @@ class TestEnum(unittest.TestCase):
self.assertFormatIsValue('{:>20}', Directional.WEST)
self.assertFormatIsValue('{:<20}', Directional.WEST)
def test_object_str_override(self):
class Colors(Enum):
RED, GREEN, BLUE = 1, 2, 3
def __repr__(self):
return "test.%s" % (self._name_, )
__str__ = object.__str__
self.assertEqual(str(Colors.RED), 'test.RED')
def test_enum_str_override(self):
class MyStrEnum(Enum):
def __str__(self):
@ -594,7 +602,6 @@ class TestEnum(unittest.TestCase):
class Huh(MyStr, MyInt, Enum):
One = 1
def test_hash(self):
Season = self.Season
dates = {}