I want to modify existing Zope classes without touching the code of the
product packages. This how-to seems to fit exactly my needs:
But one thing I don't know how to do:
> 1. Add new base classes to existing classes, such as CatalogAware (use
> the __bases__ attribute).
It works with (classic) Classes, as described here:
But Zope uses also ExtensionClasses. The __bases__ attribute of
ExtensionClasses appears to be read-only and ExtensionClass is a run-out
So what I'm looking for, is a work-around. Any ideas?
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