fix empty dir

pytorrent/routes/system.py

@@ -356,8 +356,11 @@ def _annotate_path_directories(profile: dict, payload: dict) -> dict:
     for item in dirs:
         item_path = item.get("path") or ""
         has_torrents = _path_has_cached_torrents(int(profile.get("id") or 0), item_path)
+        is_empty = bool(item.get("empty"))
         item["has_torrents"] = has_torrents
-        item["can_rename"] = bool(item.get("empty")) and not has_torrents
+        item["can_rename"] = is_empty and not has_torrents
+        # Note: The picker exposes a short reason so disabled rename buttons explain the safety rule.
+        item["rename_reason"] = "Rename folder" if item["can_rename"] else ("Folder contains a known torrent path" if has_torrents else "Only empty folders can be renamed")
     return payload
 
 

pytorrent/services/rtorrent/system.py

@@ -20,7 +20,10 @@ def browse_path(profile: dict, path: str | None = None) -> dict:
         'dir_count=0; file_count=0; '
         'for p in "$base"/* "$base"/.[!.]* "$base"/..?*; do '
         '[ -e "$p" ] || continue; '
-        'if [ -d "$p" ]; then dir_count=$((dir_count+1)); name=${p##*/}; printf "D\\t%s\\t%s\\n" "$name" "$p"; '
+        'if [ -d "$p" ]; then '
+        'dir_count=$((dir_count+1)); name=${p##*/}; empty=1; '
+        'if find "$p" -mindepth 1 -maxdepth 1 -print -quit 2>/dev/null | grep -q .; then empty=0; fi; '
+        'printf "D\\t%s\\t%s\\t%s\\n" "$name" "$p" "$empty"; '
         'elif [ -f "$p" ]; then file_count=$((file_count+1)); fi; '
         'done; '
         'printf "M\\t%s\\t%s\\n" "$dir_count" "$file_count"; '
@@ -37,9 +40,12 @@ def browse_path(profile: dict, path: str | None = None) -> dict:
             continue
         marker, rest = line.split("\t", 1)
         if marker == "D" and "\t" in rest:
-            name, full_path = rest.split("\t", 1)
+            parts = rest.split("\t", 2)
+            name, full_path = parts[0], parts[1]
+            is_empty = len(parts) > 2 and parts[2] == "1"
             if name not in {".", ".."}:
-                dirs.append({"name": name, "path": full_path})
+                # Note: Empty status is returned with every directory so the path picker can enable safe inline rename.
+                dirs.append({"name": name, "path": full_path, "empty": is_empty})
         elif marker == "M" and "\t" in rest:
             first, second = rest.split("\t", 1)
             try: