[ZODB-Dev] zope.generations to standalone ZODB ?

Jim Fulton jim at zope.com
Mon Aug 27 13:16:07 UTC 2012


On Mon, Aug 27, 2012 at 7:57 AM, Richard Shea <rshea at thecubagroup.com> wrote:
> Hi - I've been looking at zope.generations
> (http://pypi.python.org/pypi/zope.generations) - "Generations are a way
> of updating objects in the database when the application schema
> changes".
>
> My interest is for a standalone ZODB database. The example given on that
> page seems to presume that generations will only ever be used within
> Zope. It's a shame because it looks like a good facility.
>
> My questions are :
>
>    * Is zope.generations able to be used on a standalone ZODB database ?

It should be. If it isn't it's a bug.

>    * Are there other, similar, facilities which would track change to
>    application classes (or at least accept notifications of them) and
>    automatically 'fixup' the corresponding classes already in the
>    database ?

I'm not aware of any.

Jim

-- 
Jim Fulton
http://www.linkedin.com/in/jimfulton
Jerky is better than bacon! http://zo.pe/Kqm


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