On Tue, 10 Apr 2007 08:35:56 -0600, Steven Bethard <[EMAIL PROTECTED]> wrote: >Torsten Bronger wrote: >> Hallöchen! >> >> According to <http://docs.python.org/ref/sequence-methods.html>, >> __getslice__ is deprecated. At the moment, I derive an own class >> from unicode and want to implement my own slicing. I found that I >> have to override __getslice__ since __getitem__ isn't called when I >> have something like my_instance[a:b] in my code. >> >> According to >> <news:[EMAIL PROTECTED]>, this may >> have efficiency reasons, however, I agree with >> news:[EMAIL PROTECTED] that this >> is quite confusing. It forces people to implement a deprecated >> function after all. I think the docs should say that you still have >> to override __getslice__ when subclassing from a built-in type, >> unless I really don't understand the issue correctly. > >Yes, you do still need to implement __getslice__ if you're subclassing >a class (like unicode or list) which provides it. The __getslice__ >method can't be removed entirely for backwards compatibility reasons >(though it is being removed in Python 3000). If you have a specific >suggestion for what doc should be updated and how, that would be >helpful. Please post it to:
Why does this mean that the unicode type has to implement __getslice__? Jean-Paul -- http://mail.python.org/mailman/listinfo/python-list
