Partial 1.0 - Partial classes for Python

[Thomas Heller]

Carl Banks schrieb:
> On Feb 7, 10:17 am, "Carl Banks" <pavlovevide... at gmail.com> wrote:
>> On Feb 7, 8:51 am, Thomas Heller <thel... at ctypes.org> 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 mar... at v.loewis.de
>>
>> > 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....

Do you have a pointer to that post?

Thomas