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Groups > comp.lang.python > #3811

Re: A question about Python Classes

From chad <cdalten@gmail.com>
Newsgroups comp.lang.python
Subject Re: A question about Python Classes
Date 2011-04-21 09:46 -0700
Organization http://groups.google.com
Message-ID <ebd6ad86-13ec-4968-b438-1fad42964a55@d26g2000prn.googlegroups.com> (permalink)
References <2219ee53-e8aa-4ac4-839f-014c3d1b1914@a19g2000prj.googlegroups.com> <mailman.711.1303403421.9059.python-list@python.org>

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On Apr 21, 9:30 am, Jean-Michel Pichavant <jeanmic...@sequans.com>
wrote:
> chad wrote:
> > Let's say I have the following....
>
> > class BaseHandler:
> >     def foo(self):
> >         print "Hello"
>
> > class HomeHandler(BaseHandler):
> >     pass
>
> > Then I do the following...
>
> > test = HomeHandler()
> > test.foo()
>
> > How can HomeHandler call foo() when I never created an instance of
> > BaseHandler?
>
> > Chad
>
> you did, test is an instance of BaseHandler.
>
>  > isinstance(test, HomeHandler)
> < True
>
>  > isinstance(test, BaseHandler)
> < True
>

So it just just creates an instance of every class that it inherits?

Chad

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Thread

A question about Python Classes chad <cdalten@gmail.com> - 2011-04-21 08:43 -0700
  Re: A question about Python Classes Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-04-21 18:30 +0200
    Re: A question about Python Classes chad <cdalten@gmail.com> - 2011-04-21 09:46 -0700
  Re: A question about Python Classes "Pascal J. Bourguignon" <pjb@informatimago.com> - 2011-04-21 19:12 +0200
    Re: A question about Python Classes MRAB <python@mrabarnett.plus.com> - 2011-04-21 19:00 +0100
      Re: A question about Python Classes Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-04-22 01:53 +0000
    Re: A question about Python Classes Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-04-22 11:47 +0200
  Re: A question about Python Classes Terry Reedy <tjreedy@udel.edu> - 2011-04-21 13:39 -0400
  Re: A question about Python Classes Ethan Furman <ethan@stoneleaf.us> - 2011-04-21 11:34 -0700
    Re: A question about Python Classes "Kyle T. Jones" <onexpadREMOVE@EVOMERyahoodotyouknow.com> - 2011-04-22 08:49 -0500
      Re: A question about Python Classes Ethan Furman <ethan@stoneleaf.us> - 2011-04-22 12:38 -0700
      Re: A question about Python Classes Ian Kelly <ian.g.kelly@gmail.com> - 2011-04-22 13:40 -0600

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