Options: set old options api before the world is created

BaseClasses.py

@@ -226,16 +226,21 @@ def set_seed(self, seed: Optional[int] = None, secure: bool = False, name: Optio
                                  range(1, self.players + 1)}
 
     def set_options(self, args: Namespace) -> None:
+        # TODO - remove this section once all worlds use options dataclasses
+        all_keys: Set[str] = {key for player in self.player_ids for key in
+                              AutoWorld.AutoWorldRegister.world_types[self.game[player]].options_dataclass.type_hints}
+        for option_key in all_keys:
+            option = Utils.DeprecateDict(f"Getting options from multiworld is now deprecated. "
+                                         f"Please use `self.options.{option_key}` instead.")
+            option.update(getattr(args, option_key, {}))
+            setattr(self, option_key, option)
+
         for player in self.player_ids:
             self.custom_data[player] = {}
             world_type = AutoWorld.AutoWorldRegister.world_types[self.game[player]]
             self.worlds[player] = world_type(self, player)
             self.worlds[player].random = self.per_slot_randoms[player]
-            for option_key in world_type.options_dataclass.type_hints:
-                option_values = getattr(args, option_key, {})
-                setattr(self, option_key, option_values)
-                # TODO - remove this loop once all worlds use options dataclasses
-            options_dataclass: typing.Type[Options.PerGameCommonOptions] = self.worlds[player].options_dataclass
+            options_dataclass: typing.Type[Options.PerGameCommonOptions] = world_type.options_dataclass
             self.worlds[player].options = options_dataclass(**{option_key: getattr(args, option_key)[player]
                                                                for option_key in options_dataclass.type_hints})
 

Utils.py

@@ -749,6 +749,25 @@ def deprecate(message: str):
     import warnings
     warnings.warn(message)
 
+
+class DeprecateDict(dict):
+    log_message: str
+    should_error: bool
+
+    def __init__(self, message, error: bool = False) -> None:
+        self.log_message = message
+        self.should_error = error
+        super().__init__()
+
+    def __getitem__(self, item: Any) -> Any:
+        if self.should_error:
+            deprecate(self.log_message)
+        elif __debug__:
+            import warnings
+            warnings.warn(self.log_message)
+        return super().__getitem__(item)
+
+
 def _extend_freeze_support() -> None:
     """Extend multiprocessing.freeze_support() to also work on Non-Windows for spawn."""
     # upstream issue: https://github.com/python/cpython/issues/76327

worlds/AutoWorld.py

@@ -67,6 +67,10 @@ def __new__(mcs, name: str, bases: Tuple[type, ...], dct: Dict[str, Any]) -> Aut
         # create missing options_dataclass from legacy option_definitions
         # TODO - remove this once all worlds use options dataclasses
         if "options_dataclass" not in dct and "option_definitions" in dct:
+            # TODO - switch to deprecate after a version
+            if __debug__:
+                from warnings import warn
+                warn("Assigning options through option_definitions is now deprecated. Use options_dataclass instead.")
             dct["options_dataclass"] = make_dataclass(f"{name}Options", dct["option_definitions"].items(),
                                                       bases=(PerGameCommonOptions,))