On Fri, 28 Aug 2015 12:33 am, Chris Angelico wrote: > On Thu, Aug 27, 2015 at 10:59 PM, Steven D'Aprano <st...@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 <ros...@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 of? >> >> 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.
Er, I'm still not getting you. Of course one exists, otherwise isinstance would end up raising an exception. py> type.__instancecheck__ <method '__instancecheck__' of 'type' objects> What am I missing? -- Steven -- https://mail.python.org/mailman/listinfo/python-list
