[Zope-Checkins] CVS: Zope3/lib/python/Zope/ComponentArchitecture - IToIRegistry.py:1.1.4.5

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Zope/ComponentArchitecture
In directory cvs.zope.org:/tmp/cvs-serv9067

Modified Files:
      Tag: Zope-3x-branch
	IToIRegistry.py 
Log Message:
Changed to avoid providing components for Interface.Interface.


=== Zope3/lib/python/Zope/ComponentArchitecture/IToIRegistry.py 1.1.4.4 => 1.1.4.5 ===
 """
 
+from Interface import Interface
 from Interface.Util import objectImplements
 from Exceptions import Invalid
 
@@ -30,6 +31,9 @@
         reg[(require, provide)] = (primary_provide, c)
         bases = getattr(provide, '__bases__', ())
         for base in bases:
+            if base is Interface:
+                # Never register the say-nothing Interface.
+                continue
             existing = reg.get((require, base), None)
             if existing is not None:
                 existing_provide = existing[0]