diff options
| -rw-r--r-- | Lib/enum.py | 6 | ||||
| -rw-r--r-- | Lib/test/test_enum.py | 13 |
2 files changed, 19 insertions, 0 deletions
diff --git a/Lib/enum.py b/Lib/enum.py index 3cd3df8428..7cb9d45b32 100644 --- a/Lib/enum.py +++ b/Lib/enum.py @@ -193,6 +193,12 @@ class EnumMeta(type): enum_class.__new__ = Enum.__new__ return enum_class + def __bool__(self): + """ + classes/types should always be True. + """ + return True + def __call__(cls, value, names=None, *, module=None, qualname=None, type=None): """Either returns an existing member, or creates a new enum class. diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py index 5db40403f3..94336380e0 100644 --- a/Lib/test/test_enum.py +++ b/Lib/test/test_enum.py @@ -257,6 +257,19 @@ class TestEnum(unittest.TestCase): with self.assertRaises(AttributeError): del Season.SPRING.name + def test_bool_of_class(self): + class Empty(Enum): + pass + self.assertTrue(bool(Empty)) + + def test_bool_of_member(self): + class Count(Enum): + zero = 0 + one = 1 + two = 2 + for member in Count: + self.assertTrue(bool(member)) + def test_invalid_names(self): with self.assertRaises(ValueError): class Wrong(Enum): |