channel ids

Dockers/self-hosted-iptv/iptv/cache.py

@@ -75,6 +75,9 @@ class CacheManager:
         """
         If channels.json has changed, clear all caches and return True.
         Otherwise return False.
+        Only clear when we have a stored hash that explicitly differs; when
+        stored is None (hash file missing), do not delete cache files — they
+        may be valid and we don't want to destroy them on every restart.
         """
         current = get_channels_hash(self._channels_file)
         stored = self._get_stored_hash()
@@ -82,7 +85,7 @@ class CacheManager:
         if current is None:
             return False
 
-        if stored != current:
+        if stored is not None and stored != current:
             logger.info("Channels changed (hash %s -> %s), invalidating cache", stored, current)
             self._clear_cache()
             if self._schedule_builder and hasattr(self._schedule_builder, "invalidate_cache"):

Dockers/self-hosted-iptv/iptv/server.py

@@ -74,6 +74,11 @@ class IPTVHandler(BaseHTTPRequestHandler):
         self.end_headers()
         self.wfile.write(body.encode("utf-8"))
 
+    def _extinf_channel(self, cid: str, name: str) -> str:
+        """Build EXTINF line with tvg-id for EPG matching and persistence."""
+        safe = lambda s: (s or "").replace("\\", "\\\\").replace('"', '\\"')
+        return f'#EXTINF:-1 tvg-id="{safe(cid)}" tvg-name="{safe(name)}",{name}'
+
     def send_channels_m3u(self):
         """Master M3U for Plex DVR: one live stream URL per channel."""
         base = get_base_url(self)
@@ -82,7 +87,7 @@ class IPTVHandler(BaseHTTPRequestHandler):
         for ch in channels:
             cid = ch.get("id", ch.get("name", ""))
             name = ch.get("name", cid)
-            lines.append(f"#EXTINF:-1,{name}")
+            lines.append(self._extinf_channel(cid, name))
             lines.append(f"{base}/live/{cid}")
         body = "\n".join(lines) + "\n"
         self.send_response(200)