[Python-Dev] PEP 435 -- Adding an Enum type to the Python standard library
R. David Murray
rdmurray at bitdance.com
Sun Apr 21 01:10:49 CEST 2013
On Sun, 21 Apr 2013 08:34:39 +1000, Tim Delaney <timothy.c.delaney at gmail.com> wrote:
> On 21 April 2013 04:10, Barry Warsaw <barry at python.org> wrote:
> > On Apr 13, 2013, at 08:37 AM, Tim Delaney wrote:
> > >Just using definition order as the stable iteration order would do the
> > >trick - no need for any comparisons at all. Subclasses (e.g. IntEnum) can
> > >then override it.
> > I think this isn't possible if we want to keep backward compatibility with
> > earlier Pythons, which I want to do.
> Do you want it compatible with Python 2.x? In that case I don't see a way
> to do it - getting definition order relies on __prepare__ returning an
> ordered dict, and __prepare__ of course is only available in 3.x.
It seems strange to limit a new Python3 feature to the Python2 feature
set. Just saying :)
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