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API/alldebrid.py

@@ -12,8 +12,7 @@ import sys
 from SYS.logger import log, debug
 import time
 import logging
-from pathlib import Path
-from typing import Any, Dict, Optional, Set, List, Sequence
+from typing import Any, Dict, Optional, Set, List, Sequence, Tuple
 from urllib.parse import urlencode, urlparse
 from .HTTP import HTTPClient
 
@@ -31,6 +30,24 @@ _CACHE_TIMESTAMP: float = 0
 _CACHE_DURATION: float = 3600  # 1 hour
 
 
+# Cache for init-time connectivity checks (api_key fingerprint -> (ok, reason))
+_INIT_CHECK_CACHE: Dict[str, Tuple[bool, Optional[str]]] = {}
+
+
+def _ping_alldebrid(base_url: str) -> Tuple[bool, Optional[str]]:
+    """Ping the AllDebrid API base URL (no API key required)."""
+    try:
+        url = str(base_url or "").rstrip("/") + "/ping"
+        with HTTPClient(timeout=10.0, headers={'User-Agent': 'downlow/1.0'}) as client:
+            response = client.get(url)
+            data = json.loads(response.content.decode('utf-8'))
+            if data.get('status') == 'success' and data.get('data', {}).get('ping') == 'pong':
+                return True, None
+            return False, "Invalid API response"
+    except Exception as exc:
+        return False, str(exc)
+
+
 class AllDebridClient:
     """Client for AllDebrid API."""
     
@@ -50,6 +67,18 @@ class AllDebridClient:
         if not self.api_key:
             raise AllDebridError("AllDebrid API key is empty")
         self.base_url = self.BASE_url[0]  # Start with v4
+
+        # Init-time availability validation (cached per process)
+        fingerprint = f"base:{self.base_url}"  # /ping does not require the api key
+        cached = _INIT_CHECK_CACHE.get(fingerprint)
+        if cached is None:
+            ok, reason = _ping_alldebrid(self.base_url)
+            _INIT_CHECK_CACHE[fingerprint] = (ok, reason)
+        else:
+            ok, reason = cached
+
+        if not ok:
+            raise AllDebridError(reason or "AllDebrid unavailable")
     
     def _request(self, endpoint: str, params: Optional[Dict[str, str]] = None) -> Dict[str, Any]:
         """Make a request to AllDebrid API.