Could an object delegate itself into another?
Fred L. Drake, Jr.
fdrake at acm.org
Fri Oct 22 14:13:07 EDT 1999
François Pinard writes:
> Quite interesting. So you are saying that the implementation of an instance
> is fully held in its __dict__? That would be simple enough, then...
Not quite, as another poster pointed out. The two objects wouldn't
even be == unless you wrote a .__cmp__() method that did the right
thing. You'd probably also want to write a .__hash__() that did the
right thing as well, since the default hash wouldn't "do the right
thing" any more.
> > Not to be used in real code!
>
> Yet if you are right, this is exactly the functionality I was looking for.
> What else, then? I do agree that `self.__dict__ = some.__dict__' might look
> tinily odd within an `__init__' function, at least until I get used to it :-)
I wasn't serious; I think the factory function with a cache is the
'right' way to do it; this is just nasty hackery that I thought a
little cute, in an evil sort of way. You want the factory function.
-Fred
--
Fred L. Drake, Jr. <fdrake at acm.org>
Corporation for National Research Initiatives
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