Improve handling of updateVSSTree for Databroker

kuksa-client/kuksa_client/__main__.py

@@ -159,7 +159,8 @@ def subscriptionIdCompleter(self, text, line, begidx, endidx):
         return basic_complete(text, line, begidx, endidx, self.pathCompletionItems)
 
     COMM_SETUP_COMMANDS = "Communication Set-up Commands"
-    VSS_COMMANDS = "Kuksa Interaction Commands"
+    VSS_COMMANDS = "Kuksa Interaction Commands (Supported by both KUKSA Databroker and KUKSA Server)"
+    VSS_COMMANDS_SERVER = "Kuksa Interaction Commands (Only supported by KUKSA Server)"
     INFO_COMMANDS = "Info Commands"
 
     ap_connect = argparse.ArgumentParser()
@@ -526,13 +527,14 @@ def getMetaData(self, path):
             return self.commThread.getMetaData(path)
         return "{}"
 
-    @with_category(VSS_COMMANDS)
+    @with_category(VSS_COMMANDS_SERVER)
     @with_argparser(ap_updateVSSTree)
     def do_updateVSSTree(self, args):
         """Update VSS Tree Entry"""
         if self.checkConnection():
             resp = self.commThread.updateVSSTree(args.Json)
-            print(highlight(resp, lexers.JsonLexer(), formatters.TerminalFormatter()))
+            if resp is not None:
+                print(highlight(resp, lexers.JsonLexer(), formatters.TerminalFormatter()))
 
     @with_category(VSS_COMMANDS)
     @with_argparser(ap_updateMetaData)

kuksa-client/kuksa_client/cli_backend/grpc.py

@@ -259,6 +259,10 @@ async def _grpcHandler(self, vss_client: kuksa_client.grpc.aio.VSSClient):
 
         self.grpcConnected = False
 
+    # Update VSS Tree Entry
+    def updateVSSTree(self, jsonStr, timeout=5):
+        print("Command not supported by KUKSA Databroker or KUKSA gRPC!")
+
     # Main loop for handling gRPC communication
     async def mainLoop(self):
         if self.insecure: