chore: add future annotations to modernize syntax (#62)

meiga/alias.py

@@ -20,6 +20,6 @@ def __init__(self, error: TF = cast(TF, Error())) -> None:
 
 BoolResult = Result[bool, Error]
 AnyResult = Result[Any, Error]
-isSuccess: BoolResult = Success()
-isFailure: BoolResult = Failure()
-NotImplementedMethodError: BoolResult = isFailure
+isSuccess: AnyResult = Success()
+isFailure: AnyResult = Failure()
+NotImplementedMethodError: AnyResult = isFailure

meiga/deprecation.py

@@ -1,20 +1,22 @@
-from typing import Any, Dict, Union
+from __future__ import annotations
+
+from typing import Any
 
 from meiga.handlers import OnFailureHandler, OnSuccessHandler
 
 
 def get_on_success_handler_from_deprecated_args(
-    kwargs: Dict[Any, Any],
-) -> Union[OnSuccessHandler, None]:
+    kwargs: dict[Any, Any]
+) -> OnSuccessHandler | None:
     on_success = kwargs.get("on_success")
     if on_success:
         return OnSuccessHandler(func=on_success, args=kwargs.get("success_args"))
     return None
 
 
 def get_on_failure_handler_from_deprecated_args(
-    kwargs: Dict[Any, Any],
-) -> Union[OnFailureHandler, None]:
+    kwargs: dict[Any, Any],
+) -> OnFailureHandler | None:
     on_failure = kwargs.get("on_failure")
     if on_failure:
         return OnFailureHandler(func=on_failure, args=kwargs.get("failure_args"))

meiga/error.py

@@ -1,8 +1,10 @@
-from typing import Any, Union
+from __future__ import annotations
+
+from typing import Any
 
 
 class Error(Exception):
-    message: Union[str, None]
+    message: str | None
 
     def __init__(self) -> None:
         self.message = None

meiga/handlers.py

@@ -1,4 +1,6 @@
-from typing import TYPE_CHECKING, Any, Callable, Iterable, Union
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Callable, Iterable
 
 from meiga.misc import get_args_list
 
@@ -8,12 +10,12 @@
 
 class Handler:
     def __init__(
-        self, func: Callable[..., None], args: Union[Iterable[Any], None] = None
+        self, func: Callable[..., None], args: Iterable[Any] | None = None
     ) -> None:
         self.func = func
         self.args = args
 
-    def execute(self, result: "Result[TS, TF]") -> None:
+    def execute(self, result: Result[TS, TF]) -> None:
         if self.args is not None:
             failure_args = get_args_list(self.args)
             if result.__id__ in failure_args:

meiga/misc.py

@@ -1,7 +1,9 @@
+from __future__ import annotations
+
 from typing import Any, List, cast
 
 
-def get_args_list(args: Any) -> List[Any]:
+def get_args_list(args: Any) -> list[Any]:
     if isinstance(args, tuple):
         list_args = list(args)
     else: