[Python-Dev] __subclasses__() return order
solipsis at pitrou.net
Sat May 25 15:26:58 CEST 2013
On Sat, 25 May 2013 06:23:56 -0700
Eli Bendersky <eliben at gmail.com> wrote:
> On Sat, May 25, 2013 at 6:18 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:
> > Hello,
> > In http://bugs.python.org/issue17936, I proposed making tp_subclasses
> > (the internal container implementing object.__subclasses__) a dict.
> > This would make the return order of __subclasses__ completely
> > undefined, while it is right now slightly predictable. I have never seen
> > __subclasses__ actually used in production code, so I'm wondering
> > whether someone might be affected by such a change.
> > Regards
> Personally I never used it, but it's now explicitly documented as returning
> a list. Not sure what's the right thing to do here, but perhaps returning
> an OrderedDict can eliminate the order problem?
It would still return a list.
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