On Mon, Dec 09, 2002 at 11:06:23AM -0200, Johan Dahlin wrote:
>
> In some cases, not too many pygtk accepts both lists and tuples.
> But be careful when doing this patch, because a string is also a
> Sequence. And what about user defined sequences? Isn't anything that
> allows a __getitem__ a sequence? Should an iterator be accepted too?
>
Probably, if you want to be consistent with Python. That is sort of the
whole point of __getitem__: an object is a sequence based on the abstract
protocols it supports rather than some concrete implementation.
I would suggest that the behavior be equivalent to the behavior if one
applied the tuple function on the argument.
example(seq) # would be equivalent to
example(tuple(seq))
This would allow any sequence including iterators and generators, which
is consistent with other Python extensions like Numeric and PIL, and
many more.
--jkl
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