patch protocol to use string version of id

server/alloc/protocol.py

@@ -104,20 +104,23 @@ def handle_rename(server: SocketServer, client: ClientHandler, message):
         logging.warning("malformed force-rename message: %s", message)
         return
 
+    user = None
     try:
         user_id = uuid.UUID( "{{%s}}" % ( message['data']['uuid'], ) )
         user = server.users.get( user_id )
-        if user is None:
-            logging.warning("Staff member tried to rename unknown user")
-            return
     except ValueError:
         logging.warning("Could not decode uuid")
         return
 
+    if user is None:
+        logging.warning("Staff member tried to rename unknown user")
+        return
+
+    # update the name
     user.set_name( message['data'].get('name', 'RENAMED USER') )
 
     # inform people about the rename
-    payload = {'uid': user.id, 'name': user.name}
+    payload = {'uid': user.id_str, 'name': user.name}
     server.multicast_topic(user.sessions, 'userRename', payload)
     server.multicast_topic(server.online_staff, 'userRenameAdm', payload)