Create utils.py

utils.py

@@ -0,0 +1,21 @@
+import json
+import os
+
+LEADERBOARD_FILE = "leaderboard.json"
+
+def load_leaderboard():
+    if not os.path.exists(LEADERBOARD_FILE):
+        return []
+    with open(LEADERBOARD_FILE, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+def save_leaderboard(data):
+    with open(LEADERBOARD_FILE, "w", encoding="utf-8") as f:
+        json.dump(data, f, indent=2, ensure_ascii=False)
+
+def update_leaderboard(model_name, score):
+    leaderboard = load_leaderboard()
+    leaderboard = [entry for entry in leaderboard if entry["model"] != model_name]
+    leaderboard.append({"model": model_name, "score": score})
+    leaderboard.sort(key=lambda x: x["score"], reverse=True)
+    save_leaderboard(leaderboard)