A question about Python Classes

Jean-Michel Pichavant jeanmichel at sequans.com
Thu Apr 21 18:30:14 CEST 2011


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

JM




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