[Zope-dev] Observable Interface?

Tres Seaver tseaver@digicool.com
Fri, 10 Nov 2000 08:39:47 -0500 (EST)


On Fri, 10 Nov 2000, Chris Withers wrote:

> Tres Seaver wrote:
> > 
> > Chris Withers <chrisw@nipltd.com> asked:
> > 
> > > Does anyone know what happened to it and how far its
> > > implementation got?
> > 
> > The preliminary implementaion, DefaultObservabale, landed as
> > a mix-in class in Zope 2.2:
> > 
> >   $ZOPE_HOME/lib/python/OFS/DefaultObservable.py
> > 
> > Mix it in to one of your Python base classes (be sure to get
> > it's '__init__()' called!) and fire away.
> 
> Where are the docs? Hwo does it work?

The docs are in the interfaces wiki:

  http://www.zope.org/Members/michel/Interfaces/ObserverAndNotification

(Note that this actually predates the fishbowl process -- this
has been in Zope for a loooong time).

> 
> > I am currenly working on the more ambitious notion of adding
> > an event channel, which addresses some of the "MxN" problems
> > which plague the classic Observer.  See the Zope-PTK archives
> > for August for the latest on that.
> 
> Looked... any further progress?

Nope, the PTK work I have been able to do lately is all
stabilization.  I am working an a new "PTK Fishbowl" site, where
such proposals can be tracked more cleanly.

Tres.
-- 
===============================================================
Tres Seaver                                tseaver@digicool.com
Digital Creations     "Zope Dealers"       http://www.zope.org