On Sep 24, 8:23 am, Ratko <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I was wondering if something like this is possible. Can a base class
> somehow know if a certain method has been overridden by the subclass?
> I appreciate any ideas.
> Thanks,
>
> Ratko
It's not hard. Both bound and unbound methods have an im_func
attribute pointing to the underlying function code. So you can check
for overrides by testing whether the underlying functions are the
same:
>>> class A:
def p(self): pass
def q(self): pass
>>> class B(A):
def q(self): pass
>>> b = B()
>>> b.p.im_func is A.p.im_func # Verify that b.p runs A.p
True
>>> b.q.im_func is A.q.im_func # Verify that b.q overrides A.q
Raymond
False
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