adds username and password check

Peter Armstrong · Peter Armstrong · commit d2f4688195b6 · 2021-01-04T12:16:13.000Z
diff --git a/examples/mqtt-all.py b/examples/mqtt-all.py
@@ -200,7 +200,8 @@ def main():
     )
 
     mqtt_client = mqtt.Client(client_id=device_id)
-    mqtt_client.username_pw_set(args.username, args.password)
+    if username and password:
+        mqtt_client.username_pw_set(args.username, args.password)
     mqtt_client.on_connect = on_connect
     mqtt_client.on_publish = on_publish
     mqtt_client.connect(args.broker, port=args.port)

Original file line number	Diff line number	Diff line change
`@@ -200,7 +200,8 @@ def main():`
`200`	`200`	`)`
`201`	`201`
`202`	`202`	`mqtt_client = mqtt.Client(client_id=device_id)`
`203`		`- mqtt_client.username_pw_set(args.username, args.password)`
	`203`	`+ if username and password:`
	`204`	`+ mqtt_client.username_pw_set(args.username, args.password)`
`204`	`205`	`mqtt_client.on_connect = on_connect`
`205`	`206`	`mqtt_client.on_publish = on_publish`
`206`	`207`	`mqtt_client.connect(args.broker, port=args.port)`