On Aug 29, 5:12 pm, casebash <walkr...@gmail.com> wrote: > Hi all, > > I cannot determine if a class is an instance of a particular > metaclass. Here is my best attempt > > >>> class tmp(type): > > ... pass > ...>>> def c(metaclass=tmp): > > ... pass > ...>>> isinstance(c, tmp) > False > >>> isinstance(c.__class__, tmp) > > False > > Can anyone explain why this fails?
You're gonna kick yourself. It's because you used "def" and not "class" to define c. If you'd used "class" then then first test would have worked. Carl Banks -- http://mail.python.org/mailman/listinfo/python-list
