Ticket #1343: none_predicate2.diff

turbogears/identity/conditions.py

@@ -64 +64 @@
-        self.append_error_message( errors )
-        return False
-
+class NotAny(CompoundPredicate):
+    '''
+    A compound predicate that evaluates to true only if no sub-predicates
+    evaluate to true for the given input.
+    '''
+    error_message= "A predicate was able to grant access"
+ 
+    def eval_with_object( self, obj, errors=None ):
+        '''
+        Return true if no sub-predicates evaluate to true.
+        '''
+        for p in self.predicates:
+            if p.eval_with_object(obj, errors):
+                self.append_error_message(errors)
+                return False
+
+        return True
-
-class IdentityPredicateHelper(object):
-    '''