[Q] Type checking...
Fredrik Lundh
fredrik at pythonware.com
Mon Jul 19 08:03:03 EDT 1999
Olivier Deckmyn <olivier.deckmyn at mail.dotcom.fr> wrote:
> Abstract : [Q]How to check the type of an instance before(after?) sending it
> to a method...
>
> Here is my source :
>
> class ClassA
> ...
>
>
> class ClassB :
> def myMethod(self, anInstance)
> ...
>
> and myMethod expects that anInstance is a ClassA !
> How can I force my user to send only instances of this
> class (or subclasses)?
assert isinstance(anInstance, ClassA)
</F>
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