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From: Terry Jan Reedy <tjreedy@udel.edu>
Subject: Re: Writing a blog post on the new Enum.
Date: Tue, 14 May 2013 11:07:58 -0400
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On 5/14/2013 3:52 AM, Chris Angelico wrote:
> On Tue, May 14, 2013 at 9:40 AM, Fábio Santos <fabiosantosart@gmail.com> wrote:

>> http://fabiosantoscode.blogspot.pt/2013/05/pythons-new-enum-class.html
>
>      class Text(unicode, Enum):
>          one = u'one'
>          two = u'two'
>          three = u'three'

Is this supposed to be a quote? or your rewrite? or did Santos rewrite 
after you posted? The blog currently has a 3.x version of that.

> That looks like Python 2 code. Are you backporting Enum to Py2
> manually? AIUI the Python core won't be adding features like that to
> 2.7, and there won't be a 2.8, so PEP 435 will be Py3.4+ only. Or have
> I misunderstood it?

As far as official CPython goes, Enum is 3.4+ only. I believe the module 
will continue to work on earlier 3.x and will remain externally 
available as a 3rd party module. Ethan said he plans to backport to 2.7 
so 2 & 3 code can use enums.