im breaking it

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

@@ -3,11 +3,14 @@
 import hashlib
 import json
 import logging
+import time
 from pathlib import Path
 
 from .config import CHANNELS_FILE, DATA_ROOT, MOVIES_ROOT, SERIES_ROOT
 
 CACHE_DIR = DATA_ROOT / "cache"
+# When hash file is missing but cache exists, bootstrap if cache is younger than this (seconds)
+CACHE_BOOTSTRAP_MAX_AGE_SEC = 24 * 3600  # 24 hours (covers "restarted within a day")
 
 logger = logging.getLogger(__name__)
 
@@ -115,6 +118,24 @@ class CacheManager:
         if stored != current_hash:
             self._write_hash(current_hash)
 
+    def _bootstrap_hash_if_recent(self, cache_path: Path) -> bool:
+        """If hash is missing but cache file exists and is recent, write hash. Returns True if bootstrapped."""
+        if self._get_stored_hash() is not None:
+            return False
+        if not cache_path.exists():
+            return False
+        try:
+            age = time.time() - cache_path.stat().st_mtime
+            if age <= CACHE_BOOTSTRAP_MAX_AGE_SEC:
+                current = get_channels_hash(self._channels_file)
+                if current is not None and self._ensure_cache_dir():
+                    self._write_hash(current)
+                    logger.info("Cache hash bootstrapped from %s (age %.0fm)", cache_path.name, age / 60)
+                    return True
+        except OSError:
+            pass
+        return False
+
     def get_epg(self) -> str | None:
         """Return cached EPG XML if valid, else None."""
         self.invalidate_if_needed()
@@ -127,6 +148,9 @@ class CacheManager:
             logger.debug("EPG cache miss: %s does not exist", epg_path)
             return None
         stored = self._get_stored_hash()
+        if stored is None:
+            self._bootstrap_hash_if_recent(epg_path)
+            stored = self._get_stored_hash()
         if stored is None:
             logger.debug("EPG cache miss: %s does not exist (hash required)", self._hash_file())
             return None
@@ -204,6 +228,9 @@ class CacheManager:
         if not path.exists():
             return None
         stored = self._get_stored_hash()
+        if stored is None:
+            self._bootstrap_hash_if_recent(path)
+            stored = self._get_stored_hash()
         if stored != current:
             return None
         try: