E&S CVS Commit: PEAK - Added 'binding.TraversableClass' - a metaclass whose instances implement

[pje at eby-sarna.com]

Module Name:	PEAK
Committed By:	pje
Date:		Fri Nov 22 06:56:59 UTC 2002

Modified Files:
	PEAK/src/peak/binding: components.py

Log Message:
Added 'binding.TraversableClass' - a metaclass whose instances implement
'binding.IBindingSPI' and are therefore usable in a component hierarchy.
Classes that have this as one of their metaclasses will know their parent
(containing) class or module, and return it from 'getParentComponent()'.
This will be key to creating metamodels whose features can easily reference
other types.

Also, fixed missing export of the 'binding.AutoCreatable' metaclass.


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