Fixed Issue with TechniSat Digiradio and Fixed Docker

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3
+FROM python:3.9
 
 WORKDIR /app
 

dlna/dlna_device.py

@@ -183,7 +183,9 @@ async def get_data(self):
                     self.info = info
             if self.info:
                 self.name = self.info['device']['friendlyName']
-                self.model = self.info['device'].get('modelDescription', settings.product)
+                self.model = settings.product
+                if "modelDescription" in self.info['device'] and self.info['device']['modelDescription'] != None and self.info['device']['modelDescription'].strip() != "":
+                    self.model = self.info['device']['modelDescription']
                 self.uuid = self.info['device']['UDN'][len("uuid:"):]
                 for service in self.info['device']['serviceList']['service']:
                     self.services[service['serviceType']] = DlnaDeviceService(service, self)

docker-compose.yml

@@ -0,0 +1,8 @@
+version: "3.9"
+services:
+  plexdlnaplayer:
+    build: .
+    network_mode: "host"
+    restart: unless-stopped
+    volumes:
+      - "./config:/config"

plex/plexserver.py

@@ -1,4 +1,5 @@
 
+import traceback
 from fastapi import FastAPI, Request, Header, Query, HTTPException, Form
 from fastapi.responses import Response
 import uvicorn
@@ -34,7 +35,12 @@ async def on_new_dlna_device(location_url):
     device = DlnaDevice(location_url)
     try:
         await device.get_data()
-    except Exception:
+    except Exception as e:
+        # Here seems to be a good place for an Exception optimization. Maybe some kind of filtering or debug logging?
+        # @ToDo for another time
+        # If someone would like to debug his fault just uncomment this line
+        # traceback.print_exc()
+        print(e)
         return
     print(f"got new dlna device from {device.name}")
     asyncio.create_task(device.loop_subscribe(), name=f"dlna sub {device.name}")