[Zope-Checkins] CVS: Zope3/lib/python/Zope/Event - EventChannel.py:1.1.2.3

[Steve Alexander]

Update of /cvs-repository/Zope3/lib/python/Zope/Event
In directory cvs.zope.org:/tmp/cvs-serv28007

Modified Files:
      Tag: Zope-3x-branch
	EventChannel.py 
Log Message:
Made EventChannel.py friendly to persistence



=== Zope3/lib/python/Zope/Event/EventChannel.py 1.1.2.2 => 1.1.2.3 ===
 from Zope.Exceptions import NotFoundError
 
-class EventChannel:
+class EventChannel(object):
     
     __implements__ = IEventChannel
 
@@ -32,7 +32,9 @@
     _clear = __init__
     
     def subscribe(self, subscriber, event_types=(None,), filter=None):
-
+    
+        self._p_changed = 1
+        
         subs = self._subscribers
         
         for event_type in event_types:
@@ -55,6 +57,8 @@
             subs_set = self._subscribers[subscriber]
         except KeyError:
             raise NotFoundError, subscriber
+            
+        self._p_changed = 1
         
         for event_type in subs_set:
             subscriptions = self._registry.getJustForType(event_type)