[z3-five] Re: Traversal issue [was: 0.2 release]

[Tres Seaver]

Philipp von Weitershausen wrote:

> This way Traversable.__fallback_traverse__ is a regular function object 
> (the 'func' function from inside ZPublisherCompatibleTraverser). Since 
> it doesn't matter whether you have an UnboundMethodType or a 
> FunctionType on a class and ExtensionClasses allow us to monkey with 
> them anyway, it should work :)

Borrowing unbound methods from another class does *not* work well in 
Zope 2.8, because ExtensionClass is now a simple new-style class.  We 
need either to strip off the UnboundMethod wrapper or else fabricate 
some other kind of currying if we want it to be portable.

Tres.
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Tres Seaver                                tseaver at zope.com
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