Dustan wrote: > Can I make enumerate(myObject) act differently? > > class A(object): > def __getitem__(self, item): > if item > 0: > return self.sequence[item-1] > elif item < 0: > return self.sequence[item] > elif item == 0: > raise IndexError, "Index 0 is not valid." > else: > raise IndexError, "Invalid Index." > def __iter__(self): return iter(self.sequence)
That final else clause is a little funny... What kind of indices are you expecting that will be neither less than zero, greater than zero, or equal to zero? > Why the funny behavior, you ask? For my class A, it doesn't make sense > to number everything the standard programming way. Of course, if > someone uses enumerate, it's going to number the items the same way as > ever. Is there any way to modify that behavior, any special function to > set? There doesn't appear to be, according to the docs, but it never > hurts to make sure. You can write your own enumerate function and then bind that to the name 'enumerate'. -- http://mail.python.org/mailman/listinfo/python-list
