[Python-Dev] File system path PEP, part 2

[Chris Angelico]

On Sat, May 14, 2016 at 2:34 AM, Ethan Furman <ethan at stoneleaf.us> wrote:
> I would say use `type(x).__fspath__`.  I'm not aware of any other __dunder__
> method that doesn't access the attribute from the type instead of the
> instance, and I see no point in making this one different.
>

__reduce__ / __reduce_ex__ in pickle.py is accessed with a
straight-forward getattr() call. It's the ones that are called from
deep within the interpreter core (eg __iter__) that are always looked
up on the type.

ChrisA