What is a classmethod for?

Benno benjl at cse.unsw.edu.au
Mon Jun 3 01:30:46 CEST 2002


aahz at pythoncraft.com (Aahz) wrote in message news:<addlm6$g44$1 at panix1.panix.com>...
> In article <addgv30f4d at enews4.newsguy.com>,
> Dennis Peterson <denpeterson at yahoo.com> wrote:
> >
> >
> >That's nice, but I can't think of a use for it, given that we have
> >inheritance and isinstance(). Can anyone enlighten me?
> 
> The point is that you can call class methods *without* creating an
> instance:
> 
> C.foo()
> D.foo()
> 
> This allows you to manipulate class variables through methods, rather
> than using functions or needing to create an instance.

Which is really useful if you are overriding __new__(). (Which is itself a
class method iirc).

Cheers,

Benno



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