who to call a list of method inside the class itself

maduma at pt.lu maduma at pt.lu
Wed Aug 20 14:43:27 CEST 2008


On Aug 20, 8:14 am, "Gabriel Genellina" <gagsl-... at yahoo.com.ar>
wrote:
> En Tue, 19 Aug 2008 11:18:00 -0300, <mad... at pt.lu> escribi :
>
> > Is the following code is ok. who to call all method.
> > It is working but the call to m() without a reference to self seems
> > strange
>
> Ok, so you already know it works - and you want to know why!
>
>
>
> > class CustomMethod:
> >     def method1(self):
> >         ....
> >     def method2(self):
> >         ....
> >     def method3(self):
> >        ....
>
> >     def getAllMethod(self):
> >         return [self.method1, self.method2, self.method3]
>
> >     def applyAll(self):
> >         for m in self.getAllMethod():
> >             # how to call all methods ?
> >             # is it correct
> >             m()
>
> When you write self.method1, you get a "bound method" - it already knows
> the instance on which it is called (self, in this case).
> When you write CustomMethod.method1, you get an "unbound method" - it is
> not bound to any particular instance; you must provide the instance
> yourself when calling it.
> See "User-defined methods" inhttp://docs.python.org/ref/types.html- if
> you really want to know how this works, read about  new-style classes and
> the descriptor protocol athttp://www.python.org/doc/newstyle/
>
> --
> Gabriel Genellina

Tanks all for your help

Regards

-Stephane



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