latest appdaemon version came now from docker image

apps/informationscollector.py

@@ -4,11 +4,14 @@ from importlib import metadata
 import json
 import pickle
 import os
+import re
 from urllib.request import urlopen
 
 class InformationsCollector(SmartObject):
 
-    APPDAEMON_PYPI_URL = "https://pypi.org/pypi/appdaemon/json"
+    APPDAEMON_DOCKER_TAGS_URL = (
+        "https://hub.docker.com/v2/repositories/acockburn/appdaemon/tags?page_size=100"
+    )
 
     def on_initialize_smart_object(self):
         super().on_initialize_smart_object()
@@ -26,7 +29,7 @@ class InformationsCollector(SmartObject):
                 sensor_name,
                 state='unknown',
                 attributes={
-                    'latest_official_version': self.dataset.get('appdaemon_latest_official_version'),
+                    'latest_official_version': self.dataset.get('appdaemon_latest_docker_version'),
                     'update_available': None,
                 },
                 icon='mdi:package-up'
@@ -143,9 +146,9 @@ class InformationsCollector(SmartObject):
         latest_official_version = self._get_latest_official_appdaemon_version()
 
         if latest_official_version is not None:
-            self.dataset['appdaemon_latest_official_version'] = latest_official_version
+            self.dataset['appdaemon_latest_docker_version'] = latest_official_version
         else:
-            latest_official_version = self.dataset.get('appdaemon_latest_official_version')
+            latest_official_version = self.dataset.get('appdaemon_latest_docker_version')
 
         update_available = self._is_appdaemon_update_available(installed_version, latest_official_version)
 
@@ -168,11 +171,22 @@ class InformationsCollector(SmartObject):
 
     def _get_latest_official_appdaemon_version(self):
         try:
-            with urlopen(self.APPDAEMON_PYPI_URL, timeout=10) as response:
+            url = self.APPDAEMON_DOCKER_TAGS_URL
+            versions = {}
+            while url:
+                with urlopen(url, timeout=10) as response:
                     payload = json.load(response)
-            return payload.get('info', {}).get('version')
+                for tag in payload['results']:
+                    name = tag.get('name', '')
+                    # Only stable version tags with published container images.
+                    if re.fullmatch(r'[0-9]+\.[0-9]+\.[0-9]+', name) and tag.get('images'):
+                        versions[tuple(map(int, name.split('.')))] = name
+                url = payload.get('next')
+            if not versions:
+                raise ValueError("No stable AppDaemon Docker image found")
+            return versions[max(versions)]
         except Exception as err:
-            self.log_warning(f"Unable to fetch latest official AppDaemon version: {err}")
+            self.log_warning(f"Unable to fetch latest official AppDaemon Docker version: {err}")
             return None
 
     def _is_appdaemon_update_available(self, installed_version, latest_official_version):