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Kirill Smelkov
cpython
Commits
de4e079d
Commit
de4e079d
authored
Apr 13, 2016
by
Ethan Furman
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Issue26748: Enum classes should evaluate as True
parents
3d749760
5de67b10
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19 additions
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+19
-0
Lib/enum.py
Lib/enum.py
+6
-0
Lib/test/test_enum.py
Lib/test/test_enum.py
+13
-0
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Lib/enum.py
View file @
de4e079d
...
...
@@ -206,6 +206,12 @@ 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
,
start
=
1
):
"""Either returns an existing member, or creates a new enum class.
...
...
Lib/test/test_enum.py
View file @
de4e079d
...
...
@@ -253,6 +253,19 @@ 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
):
...
...
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