[Zope] problem migrating ZClasses from Zope 2.6.1 to Zope 2.9.8

Allen Schmidt Sr. aschmidt at fredericksburg.com
Wed Mar 26 07:59:20 EDT 2008

That sounds so easy. We have one ZClass but it is the basis of almost 
our entire newspaper website. The news ZClass was built in 2000 and put 
into production when we went live on Zope in Feb 2001 (just before the 
guys at Zope Corp said that ZClasss were bad). Over 7 full years of 
daily news as ZClass objects. We are in the same boat as we want to move 
from 2.7.5 to a later version. We could switch to SQL articles but then 
we would have to make sure all the old URLs still functioned as our 
content is all over the search engines...and convert everywhere there 
are tools to manage story creation, importing, editing, etc. Yuck. We 
could just make the cutover one day and just keep an instance running 
for the old stuff and all new stuff runs from SQL.

Has anyone every built tools to inspect a ZClass and produce a python 
product on the other end? That would be slick...but probably not worth 
the effort if only a few still use them.


Jens Vagelpohl wrote:
> On Mar 26, 2008, at 11:19 , Yuri wrote:
>> Hi!
>> I've got a trouble importing a ZClass app to 2.9.8 from 2.6.1.
> IMHO you're not investing your time wisely trying to make a ZClas  
> application work on a later Zope version. They're unsupported and  dead. 
> I would keep the old setup running and spend time on recreating  the 
> ZClass product functionality as a real Zope product, and then  create a 
> script to migrate the old ZClass instances over.
> jens
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