[Python-ideas] Enums

[Barry Warsaw]

On Jul 28, 2011, at 10:57 AM, Ethan Furman wrote:

>Barry Warsaw wrote:
>> In my experimental branch I've also made EnumValues subclasses of ints.  This
>> breaks one test in my Mailman 3 test suite, since I was using a custom encoder
>> for json.dumps() which knew how to encode EnumValues.  However, the json
>> module doesn't allow you to override the encoding of basic types,
>
>Isn't this a problem with json?  An EnumValue is a subclass, after all, not a
>plain ol' straight-up int -- I would think that json should realize a
>subclass may be different and go the .default() route.

On first blush, I'd agree.  _iterencode() just does an isinstance check, which
is why this gets caught in the trap.

-Barry
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