refactor: Remove aiodocker, use aiohttp for Docker REST API

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

main.py

@@ -7,7 +7,6 @@ logging.basicConfig(
 import asyncio
 import re
 from datetime import datetime, timedelta, timezone
-import aiodocker
 import aiohttp
 import random
 import string
@@ -152,50 +151,73 @@ async def main():
     """
     Monitors Navidrome container logs for rapid star/unstar events.
     """
-    docker = None
+    session = None
     try:
-        # Set a long client timeout to prevent log stream from timing out during
-        # periods of inactivity. One day in seconds.
-        docker = aiodocker.Docker(client_timeout=86400)
-        container = await docker.containers.get(settings.NAVIDROME_CONTAINER)
+        connector = aiohttp.UnixConnector(path="/var/run/docker.sock")
+        # Disable all timeouts for the long-polling log stream
+        timeout = aiohttp.ClientTimeout(total=None, sock_read=None)
+        session = aiohttp.ClientSession(connector=connector, timeout=timeout)
 
-        logging.info(f"Monitoring logs for container '{settings.NAVIDROME_CONTAINER}'...")
-        logs = container.log(
-            stdout=True,
-            stderr=True,
-            follow=True,
-            since=datetime.now(timezone.utc).timestamp(),
-        )
+        container_name = settings.NAVIDROME_CONTAINER
 
-        async for line in logs:
-            parsed = parse_log_line(line)
-            if not parsed:
-                continue
+        # First, check if the container exists.
+        inspect_url = f"http://localhost/containers/{container_name}/json"
+        async with session.get(inspect_url) as response:
+            if response.status == 404:
+                logging.error(f"Container '{container_name}' not found.")
+                return
+            response.raise_for_status()
 
-            timestamp, song_id, is_starred = parsed
+        logging.info(f"Monitoring logs for container '{container_name}'...")
+        since = int(datetime.now(timezone.utc).timestamp())
+        params = {
+            'stdout': 'true',
+            'stderr': 'true',
+            'follow': 'true',
+            'since': str(since),
+        }
+        logs_url = f"http://localhost/containers/{container_name}/logs"
+        async with session.get(logs_url, params=params) as response:
+            response.raise_for_status()
+            while True:
+                line_bytes = await response.content.readline()
+                if not line_bytes:
+                    break
+                # Docker's log stream is multiplexed. The first 8 bytes are a header.
+                # We strip it to get the raw log line.
+                if len(line_bytes) > 8:
+                    line = line_bytes[8:].decode('utf-8', errors='replace').strip()
+                    parsed = parse_log_line(line)
+                    if not parsed:
+                        continue
 
-            if is_starred:
-                starred_songs[song_id] = timestamp
-            elif song_id in starred_songs:  # is_starred is False (unstarred)
-                time_diff = timestamp - starred_songs[song_id]
-                if time_diff <= STAR_UNSTAR_WINDOW:
-                    logging.info(
-                        f"Song {song_id} was starred and then unstarred within {STAR_UNSTAR_WINDOW.seconds} seconds."
-                    )
-                    await handle_star_unstar_event(song_id)
-                # Remove song from tracking after it has been unstarred
-                del starred_songs[song_id]
+                    timestamp, song_id, is_starred = parsed
 
-    except aiodocker.exceptions.DockerError as e:
+                    if is_starred:
+                        starred_songs[song_id] = timestamp
+                    elif song_id in starred_songs:  # is_starred is False (unstarred)
+                        time_diff = timestamp - starred_songs[song_id]
+                        if time_diff <= STAR_UNSTAR_WINDOW:
+                            logging.info(
+                                f"Song {song_id} was starred and then unstarred within {STAR_UNSTAR_WINDOW.seconds} seconds."
+                            )
+                            await handle_star_unstar_event(song_id)
+                        # Remove song from tracking after it has been unstarred
+                        del starred_songs[song_id]
+
+    except aiohttp.ClientResponseError as e:
         if e.status == 404:
             logging.error(f"Container '{settings.NAVIDROME_CONTAINER}' not found.")
         else:
-            logging.error(f"Error connecting to Docker or getting container: {e}")
+            logging.error(f"Error with Docker API: {e}")
+    except aiohttp.ClientError as e:
+        # For other client errors like connection issues
+        logging.error(f"Error connecting to Docker: {e}")
     except Exception:
         logging.exception("An unexpected error occurred")
     finally:
-        if docker:
-            await docker.close()
+        if session:
+            await session.close()
 
 
 if __name__ == "__main__":