pete at visionart
Sep 4, 2001, 3:57 PM
Post #2 of 2
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Janos Blazi wrote:
> One can overload a[x] (when a is a class an one uses __getitem__) but it is
> not possible to overload double indexing, i.e. a[x,y]. Am I right? And
> a[x,y] is not the same as a[x][y] (as the latter can be overloaded).
it can be done, when the user passes more than one index
they will be combined into a tuple for you. also, there's
no need to just use integers :]
>>> class K:
... def __getitem__(self, args):
... print 'GETITEM ARGS:', args
...
>>> k=K()
>>> k[1]
GETITEM ARGS: 1
>>> k[1,2]
GETITEM ARGS: (1, 2)
>>> k['bread', 'milk']
GETITEM ARGS: ('bread', 'milk')
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