perf: migrate to orjson for performance

utils/export_players.py

@@ -1,4 +1,4 @@
-import json
+import orjson as json
 import hashlib
 from typing import Callable
 from datetime import datetime
@@ -7,7 +7,7 @@ from decimal import Decimal, getcontext
 SALT = b"Lt2N5xgjJOqRsT5qVt7wWYw6SqOPZDI7"
 
 with open("musicDB.json", "r", encoding="utf-8") as f:
-    music_db = json.load(f)
+    music_db = json.loads(f.read())
 
 music_db = {entry["id"]: entry for entry in music_db}
 
@@ -169,19 +169,17 @@ def process(
     output_file: str,
 ):
     record_time()
-    with open(input_file, "r", encoding="utf-8") as f:
-        data = json.load(f)
+    with open(input_file, "rb") as f:
+        data = json.loads(f.read())
     print(f"loaded, cost {record_time():.2f}s")
 
-    record_time()
     for entry in data:
         salted_hash_userid(entry)
         clean_fields(entry)
     print(f"processed, cost {record_time():.2f}s")
 
-    record_time()
-    with open(output_file, "w", encoding="utf-8") as f:
-        json.dump(data, f, ensure_ascii=False)
+    with open(output_file, "wb") as f:
+        f.write(json.dumps(data))
     print(f"written out, cost {record_time():.2f}s")
 
     return data