[Zope] Proxy roles and ZClasses

[Dieter Maurer]

Marcin Wudarczyk wrote at 2004-2-13 13:01 +0100:
>I have installed the Zope 2.7.0 and have following problem: if I
>assign a proxy role to the constructor of a ZClass that was created
>automatically, and then try to add a new instance (for example, from
>the management screens) I get following error: (my ZClass name is
>Order2)
>
>
>Error Type: ValueError
>Error Value: unpack list of wrong size
>
>most recent traceback:
>
>Module None, line 3, in Order2_add
><PythonScript at /Shop/Orders/SessionOrders/Order2_add>
>Line 3 
>Module AccessControl.Owned, line 127, in getWrappedOwner
>
>I tried to identify the problem, and I found out that
>getWrappedOwner returns an empty list, which causes the exception. But
>it seems that getWrappedOwner it is called at least two times, and the first
>call returns a proper value.

Maybe, "getWrappedOwner" is applied to the ZClass itself.
A ZClass object is unowned.

I expect that you see a bug introduced in the recent security
shakeup. Please file a bug report.

-- 
Dieter