feat: Convert M3U playlist output to M3U8 with encoded paths

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

main.py

@@ -4,6 +4,7 @@ import random
 import string
 import subprocess
 import time
+import urllib.parse
 
 import requests
 DEBUG = os.environ.get('DEBUG')
@@ -12,13 +13,21 @@ logging.basicConfig(
         level=logging.DEBUG if DEBUG else logging.INFO)
 
 def run_pls_command(playlist_id, playlist_name):
-    """Runs the docker exec command for a given playlist."""
+    """Runs the docker exec command for a given playlist and transforms the output."""
     cmd = ['docker', 'exec', 'navidrome-navidrome-1', '/app/navidrome', 'pls', '-l', 'error', '-np', playlist_id]
     try:
         result = subprocess.run(cmd, capture_output=True, text=True, check=False)
         print(f"\n--- Output for playlist '{playlist_name}' ---")
         if result.stdout.strip():
-            print(result.stdout.strip())
+            transformed_lines = []
+            for line in result.stdout.strip().splitlines():
+                if line.strip() and not line.startswith('#'):
+                    if line.startswith('/music/'):
+                        path = line[len('/music/'):]
+                        encoded_path = urllib.parse.quote(path)
+                        transformed_lines.append(f"local:track:{encoded_path}")
+            if transformed_lines:
+                print('\n'.join(transformed_lines))
         if result.stderr.strip():
             print("STDERR:")
             print(result.stderr.strip())