[Python-ideas] str-type enumerations

[Eli Bendersky]

On Wed, Apr 3, 2013 at 8:23 PM, Eli Bendersky <eliben at gmail.com> wrote:

> On Tue, Apr 2, 2013 at 12:25 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
>
>> I'm not trying to beat this dead horse (really!) but back when the
>> enumeration discussions were going fast and furious one of the things asked
>> for was enumerations of type str, to which others replied that strings
>> named themselves.
>>
>> Well, I now have a good case where I don't want to use the string that
>> names itself: 'Mn$(1,6)'  I would match rather write item_code!  :)
>>
>
> Hi Ethan,
>
> The latest incarnation of flufl.enum that went through the round of
> discussions during PyCon allows string values in enumerations, if you want
> them:
>
> >>> from flufl.enum import Enum
> >>> class WeirdNames(Enum):
> ...   item_code = 'Mn$(1,6)'
> ...   other_code = '#$%#$^'
> ...
> >>> WeirdNames.item_code
> <EnumValue: WeirdNames.item_code [value=Mn$(1,6)]>
> >>> i = WeirdNames.item_code
> >>> i
> <EnumValue: WeirdNames.item_code [value=Mn$(1,6)]>
> >>> i.value
> 'Mn$(1,6)'
> >>> print(i)
> WeirdNames.item_code
> >>>
>
> I haven't updated PEP 435 to reflect this yet, hope to do so in the next
> day or two.
>

The PEP is up-to-date now, and mentions string-valued enums as well.

Eli
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