> I'm trying to implement __iter__ on an abstract base class while I
> don't
> know whether subclasses support that or not.
> Hope that makes sense, if not, this code should be clearer:
>
> class Base:
> def __getattr__(self, name):
> if name == "__iter__" and hasattr(self, "Iterator"):
> return self.Iterator
> raise AttributeError, name
>
> class Concrete(Base):
> def Iterator(self):
> yield 1
> yield 2
> yield 3
I don't know how to achieve it, but why don't you simply use
class Base:
pass
class Concrete(Base):
def __iter__(self) :
yield 1
yield 2
yield 3
What is the advantage to have a baseclass that essentially does
some method renaming __iter__ ==> Iterator?
- harold -
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just like everyone else.
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