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[3.11] gh-102558: [Enum] fix AttributeError during member repr() (GH-102601) by miss-islington · Pull Request #102977 · python/cpython · GitHub

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[3.11] gh-102558: [Enum] fix AttributeError during member repr() (GH-102601) #102977

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Merged
miss-islington merged 1 commit into from
Mar 23, 2023
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[3.11] gh-102558: [Enum] fix AttributeError during member repr() (GH-102601) #102977

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2 changes: 2 additions & 0 deletions Lib/enum.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1187,6 +1187,8 @@ def _missing_(cls, value):
return None

def __repr__(self):
if not isinstance(self, Enum):
return repr(self)
v_repr = self.__class__._value_repr_ or repr
return "<%s.%s: %s>" % (self.__class__.__name__, self._name_, v_repr(self._value_))

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9 changes: 8 additions & 1 deletion Lib/test/test_enum.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
import builtins as bltns
from collections import OrderedDict
from datetime import date
from enum import Enum, IntEnum, StrEnum, EnumType, Flag, IntFlag, unique, auto
from enum import Enum, EnumMeta, IntEnum, StrEnum, EnumType, Flag, IntFlag, unique, auto
from enum import STRICT, CONFORM, EJECT, KEEP, _simple_enum, _test_simple_enum
from enum import verify, UNIQUE, CONTINUOUS, NAMED_FLAGS, ReprEnum
from enum import member, nonmember, _iter_bits_lsb
Expand Down Expand Up @@ -632,6 +632,13 @@ class MySubEnum(MyEnum):
theother = auto()
self.assertEqual(repr(MySubEnum.that), "My name is that.")

def test_multiple_superclasses_repr(self):
class _EnumSuperClass(metaclass=EnumMeta):
pass
class E(_EnumSuperClass, Enum):
A = 1
self.assertEqual(repr(E.A), "<E.A: 1>")

def test_reversed_iteration_order(self):
self.assertEqual(
list(reversed(self.MainEnum)),
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