From d0961ca473a099b88e353ba6dcd6b71c7bb1fc0f Mon Sep 17 00:00:00 2001
From: Markus Jacobsen <markusjacobsen@hotmail.com>
Date: Mon, 24 Jun 2024 21:06:57 +0200
Subject: [PATCH] Make Bang & Olufsen products ignore .m3u media source files
 (#120317)

---
 homeassistant/components/bang_olufsen/media_player.py | 7 +++++--
 homeassistant/components/bang_olufsen/strings.json    | 5 +++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/bang_olufsen/media_player.py b/homeassistant/components/bang_olufsen/media_player.py
index 5c214a3fb17..d23c75046ff 100644
--- a/homeassistant/components/bang_olufsen/media_player.py
+++ b/homeassistant/components/bang_olufsen/media_player.py
@@ -45,6 +45,7 @@ from homeassistant.components.media_player import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_MODEL
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -572,9 +573,11 @@ class BangOlufsenMediaPlayer(BangOlufsenEntity, MediaPlayerEntity):
 
             media_id = async_process_play_media_url(self.hass, sourced_media.url)
 
-            # Remove playlist extension as it is unsupported.
+            # Exit if the source uses unsupported file.
             if media_id.endswith(".m3u"):
-                media_id = media_id.replace(".m3u", "")
+                raise HomeAssistantError(
+                    translation_domain=DOMAIN, translation_key="m3u_invalid_format"
+                )
 
         if announce:
             extra = kwargs.get(ATTR_MEDIA_EXTRA, {})
diff --git a/homeassistant/components/bang_olufsen/strings.json b/homeassistant/components/bang_olufsen/strings.json
index 3cebfb891bc..93b55cf0db2 100644
--- a/homeassistant/components/bang_olufsen/strings.json
+++ b/homeassistant/components/bang_olufsen/strings.json
@@ -24,5 +24,10 @@
         "description": "Confirm the configuration of the {model}-{serial_number} @ {host}."
       }
     }
+  },
+  "exceptions": {
+    "m3u_invalid_format": {
+      "message": "Media sources with the .m3u extension are not supported."
+    }
   }
 }