[Zope-dev] Re: using ZClasses as DA brains?

[Jim Fulton]

Anthony Baxter wrote:
> 
> >>> Anthony Baxter wrote
> > Has anyone figured out the necessary magic to get the ZClass-as-brains
> > from the current CVS to work?
> >
> > It seems like the 'advanced' tab needs 'manage_product_zclass_info'
> > which is in Shared/DC/ZRDB/DA.py - but I'm stuffed if I can figure
> > out how this is meant to work...
> 
> Ah, figured it out. You have to have ZClasses created that don't derive
> from the Persistent base classes - the ZClass interface now includes this.
> 
> Unfortunately the fix to ZClass.py:1.37 to copy manage_options from the
> base class fails if you create a ZClass that derives from nothing at all.
> I wrapped the copy operation in an if zope_object: test (not sure that this
> is the best approach, a better one might be to test for manage_options
> being there at all) and it's happier...

Yes, this is the correct fix. I just checked it in.

Thanks.

Jim

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