Core: trace error to player, if possible. (ArchipelagoMW#2023)

Author: Berserker66

worlds/AutoWorld.py

@@ -98,7 +98,17 @@ def __new__(mcs, name: str, bases: Tuple[type, ...], dct: Dict[str, Any]) -> Aut
 
 def call_single(multiworld: "MultiWorld", method_name: str, player: int, *args: Any) -> Any:
     method = getattr(multiworld.worlds[player], method_name)
-    return method(*args)
+    try:
+        ret = method(*args)
+    except Exception as e:
+        message = f"Exception in {method} for player {player}, named {multiworld.player_name[player]}."
+        if sys.version_info >= (3, 11, 0):
+            e.add_note(message)  # PEP 678
+        else:
+            logging.error(message)
+        raise e
+    else:
+        return ret
 
 
 def call_all(multiworld: "MultiWorld", method_name: str, *args: Any) -> None: