def _serialize(self, value, attr, obj):
if value is None:
return None
return ah.enum_item_id(self.enum_cls, value)
def __init__(self, enum_cls, default=None, attribute=None, error=None, **kwargs):
self.enum_cls = enum_cls
self.choices = kwargs.get('choices', ah.enum_choices(enum_cls))
if default is not None:
default = ah.enum_item_id(enum_cls, default)
super(Enum, self).__init__(self.choices, default=default, attribute=attribute, error=error, **kwargs)
