isinstance() and multiple inheritance/ctypes
rosuav at gmail.com
Thu Aug 27 16:33:22 CEST 2015
On Thu, Aug 27, 2015 at 10:59 PM, Steven D'Aprano <steve at pearwood.info> wrote:
> On Thu, 27 Aug 2015 09:14 am, Chris Angelico wrote:
>> On Thu, Aug 27, 2015 at 9:12 AM, Chris Angelico <rosuav at gmail.com> wrote:
>>> Or is there a magic __isinstance__
>> Argh, keyed the wrong thing and sent the post prematurely. Meant to say:
>> Or is there a magic __instancecheck__ method somewhere that I'm not aware
> Yes -- see Terry Reedy's post.
> isinstance(inst, klass) ends up calling
> type(klass).__instancecheck__(klass, inst)
I'm aware that it _can_ exist, but I was asking if one _did_ exist.
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