[Zope] Error importing objects 2.8 > 2.7

[Andreas Jung]

--On 27. Januar 2006 22:32:07 +0100 Dieter Maurer <dieter at handshake.de> 
wrote:

> Andreas Jung wrote at 2006-1-27 07:04 +0100:
>> ...
>> Importing stuff from a new Zope version into an older Zope version was
>> _never_ a supported feature. Only import between _identical_ versions.
>> Anything else makes little sense and is unsupported.
>
> Of course, you might be happy when you can import into a newer Zope
> version from an older one. At least, that makes some sense :-)
>

Of course we would be happy if we could do that. But export/import was 
never designed to deal with migration issue. This is very much an 
application side problem. Btw. Jim has written a "generations" module which 
looks like a promising framework to deal with implicit migrations in a sane 
way.

-aj

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