Home Original page

[Python-Dev] Enum: subclassing?

Georg Brandl g.brandl at gmx.net
Wed May 1 23:52:33 CEST 2013 
Am 01.05.2013 23:48, schrieb Eli Bendersky:

>     Well, my point is that you currently don't have to inherit from int (or IntEnum)
>     to get an __int__ method on your Enum, which is what I find questionable.  IMO
>     conversion to integers should only be defined for IntEnums.  (But I haven't
>     followed all of the discussion and this may already have been decided.)
> 
> 
> Good point. I think this may be just an artifact of the implementation - PEP 435
> prohibits implicit conversion to integers for non-IntEnum enums. Since IntEnum
> came into existence, there's no real need for int-opearbility of other enums,
> and their values can be arbitrary anyway.

OK, I'm stupid -- I was thinking about moving the __int__ method to IntEnum
(that's why I brought it up in this part of the thread), but as a subclass of
int itself that obviously isn't needed :)

Georg
More information about the Python-Dev mailing list