[z3-five] Re: post-processing template result

[Jim Fulton]

It would be very cool to package this up as WSGI middleware.
That would make it readily (for some definition of readily;)
usable in Zope 3 and with other Python frameworks.


Jim

Paul Everitt wrote:
> Martin Aspeli wrote:
> 
>> On Wed, 08 Mar 2006 15:57:54 -0000, Paul Everitt 
>> <paul at zope-europe.org> wrote:
>>
>>>
>>> FWIW, I played around with such pipelines once with Tres at last 
>>> year's sprint before EuroPython.  We hooked the Xicken test CMS up to 
>>> Zope 3's publishing events, passing all results through a pipeline.
>>>
>>> The bad news is that this event isn't available via Five and won't be 
>>> any time soon.
>>>
>>> That isn't really what you're looking for, though, as you want it to 
>>> be per-templated, not for all results on the site.
>>>
>>> As a different FWIW, I finally got off my butt and wrote up an 
>>> implementation of the Zope Site Themes proposal:
>>>
>>>    http://codespeak.net/svn/z3/deliverance/trunk/meldX/
>>>
>>> The README.html hopefully explains the idea.  With a rulefile like this:
>>>
>>>    http://codespeak.net/svn/z3/deliverance/trunk/meldX/rulefile.xml
>>
>>
>> This is really cool. :-)
> 
> 
> Hey, thanks!  I think it is an idea that would make our target market 
> thrilled in a number of ways.
> 
>> Is this intended/possible to use in the context of Plone, i.e. to 
>> meld/post-assemble the template that comes out of main_template (or a 
>> custom page template)?
> 
> 
> I didn't really want to put any barriers on where it happened.  In fact, 
> I'm doing this theming in the browser on 2 side projects. :^)
> 
> Mostly, it's a question of what group of folks is interested in it.  I 
> did it first for Z3 ECM, then a Zope fishbowl proposal, then mentioned 
> it on the CMF list.  There wasn't much interest so I stopped promoting 
> it in those places.
> 
> If there's interest here, fine, if not, I'll just use it on side 
> projects and see what happens later.  (Note that Enfold used it for a 
> Zope 3 project and was happy with the performance.)
> 
>>> ...you can change all your pages to look like plone.org.  The other 
>>> stuff in that deliverance directory showed this being hooked up in 
>>> mod_python, to let Apache do dynamic theming.
>>
>>
>> Does meldX work in Zope, or in Apache?
> 
> 
> It could easily work in Zope 3 (Xicken shows this).  It could easily 
> work in Apache.  It could somewhat-easily work in the browser.  For Zope 
> 2, it would require a monkey patch to FSPageTemplate or something.
> 
> This implementation presumes lxml.  That might turn some people off.  A 
> different implementation of the engine, but producing the same result 
> useful for the same artifacts, could be done with ElementTree or even SAX.
> 
> For me, though, lxml gave a ridiculously-tiny amount of code needed to 
> gain what I think is a compelling win for a CMS.
> 
> --Paul
> 
> _______________________________________________
> z3-five mailing list
> z3-five at codespeak.net
> http://codespeak.net/mailman/listinfo/z3-five


-- 
Jim Fulton           mailto:jim at zope.com       Python Powered!
CTO                  (540) 361-1714            http://www.python.org
Zope Corporation     http://www.zope.com       http://www.zope.org