[Zope] Upgrading a product

[Oleg Broytmann]

On Wed, 15 Dec 1999 rgines@purina.com wrote:
> >Good Question!  The answer is with __setstate__.
> 
> Hmmm.   This just might work.   Thanks.  I'm assuming then that this
> 'upgradablility' must be designed into the 'version 1' of the product
> in order to let it essentially be self upgrading?

   It seems so, and it's issue of Python, not Zope.

> Are you aware of any working examples of this in action?

   Deja.com is full of __setstate__ examples with details. :)

Oleg.
---- 
    Oleg Broytmann      Foundation for Effective Policies      phd@phd.russ.ru
           Programmers don't die, they just GOSUB without RETURN.