fix: exception & datetime handle

app/usecases/anticheat.py

@@ -1,6 +1,7 @@
-import datetime
+from datetime import datetime
 import hashlib
 import struct
+from typing import Optional
 from circleguard import Circleguard, ReplayString
 from slider import Beatmap
 
@@ -25,7 +26,7 @@
 vanilla_ur_limition = 60
 snaps_limition = 20
 
-def _parse_score(score: Score) -> (ReplayString, Beatmap):
+def _parse_score(score: Score) -> (ReplayString, Optional[Beatmap]):
     replay_file = REPLAYS_PATH / f"{score.id}.osr"
     beatmap_file = BEATMAPS_PATH / f"{score.bmap.id}.osu"
     raw_replay_data = replay_file.read_bytes()
@@ -79,8 +80,13 @@ def _parse_score(score: Score) -> (ReplayString, Beatmap):
     replay_data += raw_replay_data
     # pack additional info buffer.
     replay_data += struct.pack("<q", score.id)
+    try:
+        cg_beatmap = Beatmap.from_path(beatmap_file)
+    except ValueError:
+        log(f"Failed to load beatmap ({beatmap_file}), skipped.", Ansi.RED)
+
 
-    return circleguard.ReplayString(replay_data), Beatmap.from_path(beatmap_file)
+    return circleguard.ReplayString(replay_data), cg_beatmap
 
 
 async def _save_suspicion(score: Score, reason: str, detail: dict):
@@ -160,6 +166,8 @@ async def validate_checksum(unique_ids: str, osu_version: str, client_hash_decod
 
 async def check_suspicion(player: Player, score: Score):
     replay, beatmap = _parse_score(score)
+    if not beatmap:
+        return
     has_relax = score.mods & Mods.RELAX or score.mods & Mods.AUTOPILOT
 
     frametime = circleguard.frametime(replay)