> > > I found out what my problem is. > in my code I please baseclass Item before Folder > class ShpProjectClass(Item, Folder, Persistent, Implicit, CatalogAware): > when I change the order, it worked normally > class ShpProjectClass(Folder, Item, Persistent, Implicit, CatalogAware): > but I don't understand why? could someone explain this to me? Possibly you'll have to read about multiple inheritance in python. In fact I think instead of
class ShpProjectClass(Folder, Item, Persistent, Implicit, CatalogAware): you may use: class ShpProjectClass(Folder, CatalogAware): Item, Persistent and Implicit already are base clases of Folder. -- Maciej Wisniowski _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
