[Zope3-checkins] CVS: Zope3/src/zope/interface - adapter.py:1.14

[Jim Fulton]

Update of /cvs-repository/Zope3/src/zope/interface
In directory cvs.zope.org:/tmp/cvs-serv25211/src/zope/interface

Modified Files:
	adapter.py 
Log Message:
Use a separate dummy interface for Null adapters.
This will facilitate managing utilities later.


=== Zope3/src/zope/interface/adapter.py 1.13 => 1.14 ===
--- Zope3/src/zope/interface/adapter.py:1.13	Tue Mar 30 16:40:00 2004
+++ Zope3/src/zope/interface/adapter.py	Mon Apr 12 13:58:34 2004
@@ -88,6 +88,7 @@
 from zope.interface.interface import InterfaceClass
 
 Default = InterfaceClass("Default", (), {})
+Null = InterfaceClass("Null", (), {})
 
 class ReadProperty(object):
 
@@ -276,7 +277,6 @@
             break
     return False
 
-
 class AdapterRegistry(object):
     """Adapter registry
     """
@@ -291,7 +291,7 @@
     def __init__(self):
         default = self._surrogateClass(Default, self)
         self._default = default
-        null = self._surrogateClass(Default, self)
+        null = self._surrogateClass(Null, self)
         self._null = null
         surrogates = {Default.weakref(): default}
         self._surrogates = surrogates