Added 'users_with_local_role' method. This method takes a role string (e.g....

Added 'users_with_local_role' method.  This method takes a role string (e.g. 'Owner') as an argument and returns the usernames which have that local role respective to the object which is asked.  The username is returned as a bare string (without a database path).

lib/python/AccessControl/Role.py

@@ -84,7 +84,7 @@
 ##############################################################################
 """Access control support"""
 
-__version__='$Revision: 1.49 $'[11:-2]
+__version__='$Revision: 1.50 $'[11:-2]
 
 
 from Globals import DTMLFile, MessageDialog, Dictionary
@@ -364,6 +364,13 @@ class RoleManager(ExtensionClass.Base, PermissionMapping.RoleManager):
             info.append((key, value))
         return tuple(info)
 
+    def users_with_local_role(self, role):
+        got = {}
+        for user, roles in self.get_local_roles():
+            if role in roles:
+                got[user] = 1
+        return got.keys()
+
     def get_valid_userids(self):
         item=self
         dict={}