Stefan Seefeld added the comment:
Mark,
thanks for the quick follow-up.
OK, i now understand the situation better. The documentation I had read
originally didn't talk about special-casing built-in objects. (And since
I want to extend a tuple, I do have to override __getslice__ since I
want
Mark Dickinson added the comment:
I think the docs do a good job of explaining this; in particular, they
say,
in http://docs.python.org/dev/reference/datamodel.html#special-method-
names:
However, built-in types in CPython currently still implement
__getslice__().
and explain that
New submission from Stefan Seefeld:
The python documentation states that since python 2.0 __getslice__ is
obsoleted by __getitem__. However, testing with python 2.3 as well as
2.5, I find the following surprising behavior:
class Tuple(tuple):
def __getitem__(self, i): print '__getitem__', i
Mark Dickinson added the comment:
Well, documentation patches are always welcome, I believe :)
If you can point to a particular place in the documentation and suggest
alternative (or extra) wording that might help, post it here and I'll deal
with it.
--
resolution: - invalid
status:
