diff options
Diffstat (limited to 'Doc/howto/enum.rst')
| -rw-r--r-- | Doc/howto/enum.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Doc/howto/enum.rst b/Doc/howto/enum.rst index 68b75c5..4312b4c 100644 --- a/Doc/howto/enum.rst +++ b/Doc/howto/enum.rst @@ -517,7 +517,16 @@ from that module. nested in other classes. It is possible to modify how enum members are pickled/unpickled by defining -:meth:`__reduce_ex__` in the enumeration class. +:meth:`__reduce_ex__` in the enumeration class. The default method is by-value, +but enums with complicated values may want to use by-name:: + + >>> class MyEnum(Enum): + ... __reduce_ex__ = enum.pickle_by_enum_name + +.. note:: + + Using by-name for flags is not recommended, as unnamed aliases will + not unpickle. Functional API |