__getitem__ AttributeError

[Jeroen Valcke]

Alex Martelli wrote:
<snip>
> and class Slidelist does not define a __getitem__ method,
> so its instances cannot be indexed with [] nor iterated on
> with for.
> 
> If I understand your intentions correctly, the __getitem__
> method you may need in the Slidelist class may be one that
> just delegates to the self.slidelist attribute of the
> instance (you _are_ naming *quite a few* disparate things
> "slidelist", here, aren't you...?), i.e.:
> 
> class Slidelist:
>     def __init__(self):
>         self.slidelist = []
>     def __getitem__(self, index):
>         return self.slidelist[index]
>     # etc, rest of class snipped
> 
> Alex

Yep, this seems to resolve the problem. Thanks
I'm a bit clueless though, how can I know when to define this class? Is
this overloading?

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