[SciPy-user] mandatory overriding of class method
Fernando.Perez at colorado.edu
Mon Jul 18 15:32:14 CDT 2005
Ryan Krauss wrote:
> I have a general Python question (but I am not subscribed to a general
> Python list:)- I intend to use this for technical computing if that
> makes it any better.
> I want to define a class that I don't the user to be able to use
> directly and I want to require the user to derive from the class and I
> want to require that two specifics methods be overridden for the derived
> class to be valid. I think in C++ you could define virtual methods so
> that they had to be overridden. Is there a way to do this in Python? I
> thought about defining the two methods in the base class to do nothing
> but raise exceptions, but that is kind of a hack and the user would know
> there was a problem until they tried to call the methods.
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