a single class supporting multiple facets/interfaces

Bengt Richter bokr at oz.net
Tue Jan 21 01:40:06 CET 2003


On Mon, 20 Jan 2003 18:46:43 +0200, Beni Cherniavsky <cben at techunix.technion.ac.il> wrote:
[...]
>It's not perfect but here is my best:
>
>class Facet:
>    def __init__(self, obj):
>        self._obj = obj
>    def __getattr__(self, attr):
>        return getattr(self._obj, attr)
>    # ditto for setattr, delattr if needed
>
>class C:
>    def foo(self):
>        print "foo"
>    class facet1(Facet):
>        def bar(self):
>            print "bar version 1"
>    facet1 = property(facet1)

That is an interesting twist, using a class constructor
in the place of get-accessor.

Thanks ;-)

Regards,
Bengt Richter




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