Re: [Zope] update existing instances of a class?

John Schinnerer wrote:

I have a python product that I have modified (most importantly by adding some properties). Some instances already exist that were created prior to adding these properties.

I have heard it is possible to update the existing instances (so that they get the new properties) - is this true?

Yep, using an external method, and maybe a bit of help from: http://www.zope.org/Members/chrisw/UpdateSupport Also, you could just add class variables to your object's class which have sensible default. cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk