Fix: Fallback to 'homeassistant' if MQTT discovery prefix is empty

Dennis Braun · Dennis Braun · commit 8eead9002fd4 · 2026-02-13T08:54:23.000+01:00
diff --git a/app/main.py b/app/main.py
@@ -43,7 +43,7 @@ def polling_loop(config_mgr, storage, stop_event):
             user=mqtt_user,
             password=mqtt_password,
             topic_prefix=config["mqtt_topic_prefix"],
-            ha_prefix=config["mqtt_discovery_prefix"],
+            ha_prefix=config["mqtt_discovery_prefix"] or "homeassistant",
         )
         try:
             mqtt_pub.connect()

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ def polling_loop(config_mgr, storage, stop_event):`
`43`	`43`	`user=mqtt_user,`
`44`	`44`	`password=mqtt_password,`
`45`	`45`	`topic_prefix=config["mqtt_topic_prefix"],`
`46`		`- ha_prefix=config["mqtt_discovery_prefix"],`
	`46`	`+ ha_prefix=config["mqtt_discovery_prefix"] or "homeassistant",`
`47`	`47`	`)`
`48`	`48`	`try:`
`49`	`49`	`mqtt_pub.connect()`