More debugging of "shared" roles support. Waaaaaa.

lib/python/AccessControl/User.py

 """Access control package"""
 
-__version__='$Revision: 1.48 $'[11:-2]
+__version__='$Revision: 1.49 $'[11:-2]
 
 
 from PersistentMapping import PersistentMapping
@@ -29,11 +29,7 @@ class User(Implicit, Persistent):
     def _shared_roles(self, parent):
         r=[]
         while 1:
-            if hasattr(parent, 'aq_parent'):
-                while hasattr(parent.aq_self,'aq_self'):
-                    parent=parent.aq_self
-                parent=parent.aq_parent
-            else: return r
+            if hasattr(parent,'__roles__'):
                 roles=parent.__roles__
                 if roles is None: return 'Anonymous',
                 if 'Shared' in roles:
@@ -43,6 +39,11 @@ class User(Implicit, Persistent):
                 else:
                     try: return r+list(roles)
                     except: return r
+            if hasattr(parent, 'aq_parent'):
+                while hasattr(parent.aq_self,'aq_self'):
+                    parent=parent.aq_self
+                parent=parent.aq_parent
+            else: return r
 
     def allowed(self,parent,roles=None):
 	usr_roles=self.roles
@@ -64,7 +65,9 @@ class User(Implicit, Persistent):
         if 'Shared' in roles:
             # Damn, old role setting. Waaa
             roles=self._shared_roles(parent)
-            if 'Anonymous' in roles: return 1
+            if roles is None or 'Anonymous' in roles: return 1
+            while 'Shared' in roles: roles.remove('Shared')
+            return self.allowed(parent,roles)
             
 	return None