[Zope] ZClass inheritance bug?

[Dieter Maurer]

Patrick Stinson writes:
 > I created a ZClass [from the web-interface] in a product with a certain dtml
 > method, then inherited another ZClass from it. after attempting to
 > re-distribute the product to move it to another machine, I noticed that the
 > product was no-longer redistributable, and therefore I could not edit any of
 > the classes within it.
 > 
 > What I decided to do was import/export all of the ZObjects in the product
 > manually and import them into a new product on a different machine (which
 > I'll have to do when I move it again to my production machine). Everything
 > seems to have worked fine except that the second ZClass' methods that should
 > have been inherited from the first ZClass seem to have been permenantly
 > cached and frozen in that class in their forms from the moment the first
 > ZClass was exported and re-imported.
 > 
 > I can't modify the stale methods because they were inherited, and therefore
 > have to management interface in the subclass. Is there a way to resolve
 > this? Also, the re-distribution problem is fairly severe unless everyone
 > develops on production servers...
I have read in the mailing list archives about problems with
ZClass inheritance when the inherited class lives in a different
product.

If both classes are in the same product, I think, I was able
to successfully export and reimport the complete product.


Dieter