Fallback for operator and other dunder methods
Edmondo Giovannozzi
edmondo.giovannozzi at gmail.com
Wed Aug 2 12:54:59 EDT 2023
Il giorno mercoledì 26 luglio 2023 alle 20:35:53 UTC+2 Dom Grigonis ha scritto:
> Tried exactly that and didn’t work. Neither __getattr__, nor __getattribute__ of meta is being invoked.
> > On 26 Jul 2023, at 10:01, Chris Angelico via Python-list <pytho... at python.org> wrote:
> >
> > On Wed, 26 Jul 2023 at 16:52, Dom Grigonis <dom.gr... at gmail.com> wrote:
> >>
> >> Could you give an example? Something isn’t working for me.
> >>
> >
> > This is a metaclass:
> >
> > class Meta(type):
> > ...
> > class Demo(metaclass=Meta):
> > ...
> >
> > In order to catch those kinds of attribute lookups, you'll need the
> > metaclass to hook them. And you might need to use __getattribute__
> > rather than __getattr__. However, there may also be some checks that
> > simply look for the presence of the attribute (see: slots), so you may
> > find that it's even more complicated. It's usually easiest to just
> > create the slots you want.
> >
> > ChrisA
> > --
> > https://mail.python.org/mailman/listinfo/python-list
For numpy arrays you can find some suggestion at:
https://numpy.org/doc/stable/user/basics.dispatch.html
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