On Feb 7, 10:17 am, "Carl Banks" <[EMAIL PROTECTED]> wrote: > On Feb 7, 8:51 am, Thomas Heller <[EMAIL PROTECTED]> wrote: > > > > > Martin v. Löwis schrieb: > > > > I'm happy to announce partial 1.0; a module to implement > > > partial classes in Python. It is available from > > > >http://cheeseshop.python.org/pypi/partial/1.0 > > > > A partial class is a fragment of a class definition; > > > partial classes allow to spread the definition of > > > a class over several modules. One location serves > > > as the original definition of the class. > > > > To extend a class original_module.FullClass with > > > an additional function, one writes > > > > from partial import * > > > import original_module > > > > class ExtendedClass(partial, original_module.FullClass): > > > def additional_method(self, args): > > > body > > > more_methods > > > > This module is licensed under the Academic Free License v3.0. > > > > Please send comments and feedback to [EMAIL PROTECTED] > > > Nice idea. > > Indeed. I was going to make a post asking for advice on high-level > delegation (basically you have a generic mostly-OO framework, which > the user extends mostly by subclassing, but how do the generic classes > know about the user-extened classes?). I knew of many solutions, but > all had significant drawbacks. But this seems like it'd work great, > maybe with a few minor inconveniences but nothing like the icky hacks > I've been using. > > Ironic, since I myself posted a very simple example of how to do this > with a class hook here on c.l.python a while back.
And looking back at that post, I said that using such a hack would be "truly evil". To every thing there is a season.... Carl Banks -- http://mail.python.org/mailman/listinfo/python-list