[Zope-dev] Attribute Error: __bases__

[Jonas Juselius]

Ok, sorry...

I suddenly remembered something, __bases__ is not deined for instances, only
for classes, so my method should read:
'returnBases(self): return self.__class__.__bases__'
This works, but I still don't understand why 'manage_access' fails with an
AttributeError...

jonas


On Thu, Aug 12, 1999 at 04:19:57PM +0300, Jonas Juselius wrote:
> Hello all,
> 
> I have encountered a strange problem: the tuple 'class.__bases__' has 
> disappeared. It should be a Python defined variable, but it's gone... 
> The problem manifested it self by trying to call 'manage_access()' of a Product
> I'm working on, which resulted in:
> 
> Error Type: AttributeError
> Error Value: __bases__
> 
> in gather_permissions() in RoleManager.
> 
> My class inherits (ObjectManager, PropertyManager, RoleManager, SimpleItem),
> which is basicly what a Folder inherits. A funny thing is that if I inherit
> Folder instead, the problem disappears.
> 
> I also tried a method 'returnBases(self): return self.__bases__' of my class, 
> and it does not work (results in the same error). Any clues?
> 
> Best regards,
>                 jonas
>