[Python-Dev] PEP 435 -- Adding an Enum type to the Python standard library

Ethan Furman ethan at stoneleaf.us
Fri Apr 12 18:29:15 CEST 2013

On 04/12/2013 08:37 AM, Barry Warsaw wrote:
> On Apr 12, 2013, at 11:29 AM, R. David Murray wrote:
>> You get that automatically if you return NotImplemented from the
>> comparison methods.  I don't think you should be explicitly raising
>> NotImplemented.
> Oh darn, this doesn't work for Python 2.7.  You don't care for PEP 435, but
> flufl.enum will have to raise the TypeError explicitly for consistency.

Yeah, 2.x has everything ordered; returning NotImplemented only works for the non-comparison methods (such as add, 
subtract, etc.); one of the nice things about 3.x.  :)


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