Finding way around ABCs (was What for -- for? (was A bug?))

Rustom Mody rustompmody at gmail.com
Thu Oct 30 18:01:38 CET 2014


On Wednesday, October 29, 2014 11:49:27 AM UTC+5:30, Zachary Ware wrote:
> On Wed, Oct 29, 2014 at 1:11 AM, Rustom Mody wrote:
> > On Wednesday, October 29, 2014 11:10:06 AM UTC+5:30, Zachary Ware wrote:
> >> Of course, that's 3 (progressively shorter) loops to get the names of
> >> the ABCs of a class compared to 1 (fairly short in the first place)
> >> loop for a map of relationships to all available ABCs, but optimizing
> >> such a toy as this would just be an exercise in futility :)
> >
> > Not so.
> >
> > The charm of introspection is that the introspection
> > itself can be introspected.
> > For that to be convincing there needs to be a good combo
> > of clarity and succinctness.  In particular why not reduce
> > the two functions to one?
> >
> > def get_abc_names(cls):
> >     return [abc.__name__ for abc in abcs if issubclass(cls,abc)]
> 
> Well, it depends on what you actually want, the spec has been a bit fuzzy ;)

Thanks for this much -- its helpful.
Regarding ABCs -- is there a central documentation for them:

"What exactly is a sequence or iterable or etc protocol?"

This information seems to be strewn all over the place but systematically.



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