New database generation for Zope 3.2 (Was: [Zope3-checkins] Added BBB for older instances)

[Dmitry Vasiliev]

Benji York wrote:
> Roger Ineichen wrote:
>  > Is there a way to evolve during the bootstrap process? Or is the
>  > manuel process via the ZMI the right way?
> 
> If min generation is set properly shouldn't this happen automatically?

Yes, but is it right way to set min generation == max generation?

>  > What do you think,should I remove the _passwordManagerName
>  > class attribute, which will break instances in un-evolved
>  > databases.
> 
> I think a generation is too "heavy" a fix where a simple class attribute
> will suffice.  I like Roger's fix and propose we remove the generation.

No, there is also self.password attribute changed to a property which is not so 
easy to fix without a generation. I see two alternative possibilities:

1. Custom __getstate__() method;
2. The views may use a methods to get/set self.password attribute;

-- 
Dmitry Vasiliev (dima at hlabs.spb.ru)
     http://hlabs.spb.ru