Extension without sub-classing?

Jp Calderone exarkun at intarweb.us
Tue Jun 3 04:38:04 CEST 2003


On Tue, Jun 03, 2003 at 02:17:35AM +0000, Martin d'Anjou wrote:
> Is it possible to extend a python class without sub-classing?
> 
> For example, in file1.py
> 
> class car:
>    def start_engine(self):
>       print "Started"
> 
> And in file2.py, continue the declaration of the car class, without 
> specializing it:
> 
> extend car:
>    def apply_breaks(self):
>       print "You have stopped"
> 
> I know the "extend" syntax is wrong, but I want to extend "car" without 
> sub-classing. Is this possible and how?

  http://intarweb.us:8080/evil/reopenable.py

  Jp

-- 
"The problem is, of course, that not only is economics bankrupt but it has
 always been nothing more than politics in disguise ... economics is a form
 of brain damage."  -- Hazel Henderson





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