[Python-Dev] PEP-435 reference implementation

Ethan Furman ethan at stoneleaf.us
Wed May 1 00:34:36 CEST 2013


On 04/30/2013 03:24 PM, Glenn Linderman wrote:
> On 4/30/2013 1:12 PM, Ethan Furman wrote:
>> Greetings,
>>
>> Eli asked me to put the reference implementation here for review.
>>
>> It is available at https://bitbucket.org/stoneleaf/aenum in ref435.py and test_ref435.py
>
> Thanks for the code reference.
>
> Tests ran fine here on Python 3.3
>
> If I alter test_ref435.py at the end, as follows, I get an error: nothing matches 'BDFL'
> Can someone explain why?
>
>
> if __name__ == '__main__':
>      class AnotherName( Name ):
>          'just uses prior names'
>      print(AnotherName['BDFL'])

Because Guido said no subclassing.

At this point, if you try to subclass all your getting is the same type.  So AnotherName is a string Enumeration.

--
~Ethan~


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