[Python-Dev] Enum: subclassing?

Guido van Rossum guido at python.org
Thu May 2 02:11:32 CEST 2013


Yes.

On Wed, May 1, 2013 at 3:51 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
> On 05/01/2013 02:07 PM, Guido van Rossum wrote:
>>
>> On Wed, May 1, 2013 at 2:04 PM, Eli Bendersky <eliben at gmail.com> wrote:
>>>
>>>
>>> class BehaviorMixin:
>>>    # bla bla
>>>
>>> class MyBehavingIntEnum(int, BehaviorMixin, Enum):
>>>    foo = 1
>>>    bar = 2
>>
>>
>> It's a common pattern to do this with a base class rather than a
>> mixin, though, and I think the rule "only allow subclassing empty
>> enums" makes a lot of sense.
>
>
> So is this a pronouncement?  I'm going to get whiplash if I change that bit
> of code many more times.  ;)
>
> --
> ~Ethan~
>
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-- 
--Guido van Rossum (python.org/~guido)


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