diff --git a/Lib/enum.py b/Lib/enum.py index 060b2a0dadf457..21a94caaee33f3 100644 --- a/Lib/enum.py +++ b/Lib/enum.py @@ -105,9 +105,9 @@ def __setitem__(self, key, value): # enum overwriting a descriptor? raise TypeError('%r already defined as: %r' % (key, self[key])) if isinstance(value, auto): - self._auto_called = True if value.value == _auto_null: value.value = self._generate_next_value(key, 1, len(self._member_names), self._last_values[:]) + self._auto_called = True value = value.value self._member_names.append(key) self._last_values.append(value) diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py index 5d72d82cec27ff..ebf76047972dc0 100644 --- a/Lib/test/test_enum.py +++ b/Lib/test/test_enum.py @@ -1837,6 +1837,17 @@ class Color(Enum): def _generate_next_value_(name, start, count, last): return name + def test_auto_order_wierd(self): + weird_auto = auto() + weird_auto.value = 'pathological case' + class Color(Enum): + red = weird_auto + def _generate_next_value_(name, start, count, last): + return name + blue = auto() + self.assertEqual(list(Color), [Color.red, Color.blue]) + self.assertEqual(Color.red.value, 'pathological case') + self.assertEqual(Color.blue.value, 'blue') def test_duplicate_auto(self): class Dupes(Enum):