Update app.py

app.py

@@ -36,6 +36,12 @@ def is_http_url(s: str) -> bool:
     s = s.strip().lower()
     return s.startswith("http://") or s.startswith("https://")
 
+def ensure_parent_dir(path: str) -> None:
+    """Create parent directory for a file path if missing."""
+    parent = os.path.dirname(path)
+    if parent:
+        os.makedirs(parent, exist_ok=True)
+
 def parse_magnet(magnet: str) -> Dict[str, Any]:
     out: Dict[str, Any] = {"ok": False, "error": None}
     try:
@@ -80,7 +86,7 @@ def fetch_bytes(url: str, timeout: int = 45) -> bytes:
     return r.content
 
 def parse_torrent(raw: bytes) -> Dict[str, Any]:
-    # FIX: use top-level decode; there is no bencodepy.Bencode in current releases
+    # Use top-level decode; current bencodepy has no Bencode class
     data = bencodepy.decode(raw)
     if not isinstance(data, dict) or b"info" not in data:
         raise ValueError("Invalid .torrent: missing 'info' dictionary.")
@@ -219,7 +225,9 @@ def handle_input(input_text: str, uploaded_file) -> Tuple[str, pd.DataFrame, str
                 raise gr.Error(f"Could not parse magnet: {mag.get('error')}")
             # Magnet on Spaces → no file list (no DHT)
             empty = pd.DataFrame(columns=["Path", "Length (bytes)", "Length (HR)"])
-            csvp = f"/mnt/data/files_{int(time.time())}.csv"; empty.to_csv(csvp, index=False)
+            csvp = f"/mnt/data/files_{int(time.time())}.csv"
+            ensure_parent_dir(csvp)
+            empty.to_csv(csvp, index=False)
             state = {"summary": {"Name": mag.get("display_name") or "(magnet)",
                                  "Infohash (v1)": mag.get("infohash_hex") or "—",
                                  "Web seeds": []},
@@ -242,6 +250,7 @@ def handle_input(input_text: str, uploaded_file) -> Tuple[str, pd.DataFrame, str
 
     # For .torrent path:
     csv_path = f"/mnt/data/files_{int(time.time())}.csv"
+    ensure_parent_dir(csv_path)
     parsed["files_df"].to_csv(csv_path, index=False)
     # pack state (DataFrame → records) to reuse in Download tab
     state = {"summary": parsed["summary"], "files_df": parsed["files_df"].to_dict(orient="list")}