Andreas Jung wrote at 2006-1-5 17:44 +0100:
> ...
>> I'd rather have a one-time update method that trawls the database, like
>> is done for Python Scripts recompiling for instance. Or I can call it
>> myself in my upgrade procedures on the exact objects I know will need
>> updates.
>>
>
>
>I've implemented the setstate() variant as proof-of-concept. I am not sure 
>if there is overhead for CMF-based sites since they FSPageTemplates inherit 
>from PageTemplateFile which has nothing in mind with persistence. So only
>persistent ZopePageTemplate would be affected. If there is need for a 
>dedicated migration we could easily write one..that's the lamest task of 
>the whole ZPT unicode issue :-)

Modern ZODB versions allow modifications made in "__setstate__"
to be reliably persisted. This means that "__setstate__" updates
can now be one time (though the test whether an upgrade is necessary
is done always). The "recompile" hack for "PythonScript"s would
no longer be necessary.


-- 
Dieter
_______________________________________________
Zope-Dev maillist  -  Zope-Dev@zope.org
http://mail.zope.org/mailman/listinfo/zope-dev
**  No cross posts or HTML encoding!  **
(Related lists - 
 http://mail.zope.org/mailman/listinfo/zope-announce
 http://mail.zope.org/mailman/listinfo/zope )

Reply via email to