[Zope] How to make good architecture in Zope2?

[Roman Suzi]

Lennart Regebro wrote:

>On 12/20/05, Roman Suzi <rnd at onego.ru> wrote:
>  
>
>>Lets suppose that I've done OO Analysis and have a dozen of nice classes
>>which model my problem domain. Lets also suppose that I did it on the
>>basis of known use cases. Now I want to build Web application fulfilling
>>those use cases but  separate my  classes from Zope framework (Ok,  some
>>of them could be taken from Zope framework, like user folder), so that I
>>can see the problem domain abstractions in the clear, without a mess of
>>miriads of Presentation injections.
>>(I'd liked to put presentation-related things into other classes and ZPTs)
>>
>>Are there any good examples out there, or any good architectural
>>solutions for that?
>>    
>>
>
>Yes. Zope 3. ;)
>Zope 3 adresses several of these questions, especially the separation
>of presentation from logic on a class bases. And of you can't use Zope
>3, then you can use the same principals under Zope 2 thanks to the
>Five technology:
>http://codespeak.net/z3/five/
>
>Five is included with Zope 2 since Zope 2.8.
>  
>

Thank you for hints, Lennart. They are quite helpful. Its hard for me to 
competently say anything more on this as some time is required to
learn and try Five.

>  
>
>>Or is it even possible in Zope2 to go that far
>>without doing to much adaptation?
>>    
>>
>
>No problems at all. Nuxeos new calendar product is done exactly like
>that, even to the point that the base classes are in a separate
>product (CalCore) that could be used outside of Zope, the UI is in
>another product (CalZope) that provides all the pages, and we have
>integration with CPS in a third product (a Plone integration,
>CalPlone, is in progress).
>  
>
This example is also interesting, thanks!

>--
>Lennart Regebro, Nuxeo     http://www.nuxeo.com/
>CPS Content Management     http://www.cps-project.org/
>  
>