Stephan Richter  <[EMAIL PROTECTED]> wrote:
> On Wednesday 06 April 2005 16:52, Dieter Maurer wrote:
> > For new projects, you should investigate the new options.
> > Product development will get much simpler with Zope3 technology
> > (and its schemas and views). Currently, there is no TTW
> > ("Through The Web") development in Zope3 land, but that is planned.
> > In about 2 to 4 years, we may have new ZClass like
> > functionality implemented with Zope3 technology.
> > And I am quite confident that the old ZClasses will live til
> > then...
> Note that I prototyped such functionality a couple years ago. One could 
> create 
> TTW (Persistent) schemas and then declare a Content Component Definition 
> based on this schema. People could then create instances of those content 
> components. The Content Component Definition utility took care of doing all 
> the security and basic menu/view setup. One can then write views and adapters 
> for the content component to give it functionality.
> Unfortunately, persistent schemas got broken at some point, so the code is 
> not 
> that useful anymore. I really need to get together with Jim and force him to 
> fix the problem with me, since I constantly forget what the problem is. ;-)

I'll need to work on persistent schemas very soon. Could someone recap
what the problem is ? ISTR that there was a problem with the way the are
cached by the interface machinery, and maybe a pickling problem. Does
someone have a bit more details (without going into great lengths, I'll
be looking at it in any case).


Florent Guillaume, Nuxeo (Paris, France)   CTO, Director of R&D
+33 1 40 33 71 59   [EMAIL PROTECTED]
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