💥 Remove: 移除 Python 3.8 支持 (#2641)

nonebot/typing.py

@@ -45,26 +45,38 @@ def overrides(InterfaceClass: object):
 
 if sys.version_info < (3, 10):
 
-    def origin_is_union(origin: t.Optional[t.Type[t.Any]]) -> bool:
+    def type_has_args(type_: type[t.Any]) -> bool:
+        """判断类型是否有参数"""
+        return isinstance(type_, (t._GenericAlias, types.GenericAlias))  # type: ignore
+
+else:
+
+    def type_has_args(type_: type[t.Any]) -> bool:
+        return isinstance(type_, (t._GenericAlias, types.GenericAlias, types.UnionType))  # type: ignore
+
+
+if sys.version_info < (3, 10):
+
+    def origin_is_union(origin: t.Optional[type[t.Any]]) -> bool:
         """判断是否是 Union 类型"""
         return origin is t.Union
 
 else:
 
-    def origin_is_union(origin: t.Optional[t.Type[t.Any]]) -> bool:
+    def origin_is_union(origin: t.Optional[type[t.Any]]) -> bool:
         return origin is t.Union or origin is types.UnionType
 
 
-def origin_is_literal(origin: t.Optional[t.Type[t.Any]]) -> bool:
+def origin_is_literal(origin: t.Optional[type[t.Any]]) -> bool:
     """判断是否是 Literal 类型"""
     return origin is t.Literal or origin is t_ext.Literal
 
 
-def _literal_values(type_: t.Type[t.Any]) -> t.Tuple[t.Any, ...]:
+def _literal_values(type_: type[t.Any]) -> tuple[t.Any, ...]:
     return get_args(type_)
 
 
-def all_literal_values(type_: t.Type[t.Any]) -> t.List[t.Any]:
+def all_literal_values(type_: type[t.Any]) -> list[t.Any]:
     """获取 Literal 类型包含的所有值"""
     if not origin_is_literal(get_origin(type_)):
         return [type_]
@@ -72,7 +84,7 @@ def all_literal_values(type_: t.Type[t.Any]) -> t.List[t.Any]:
     return [x for value in _literal_values(type_) for x in all_literal_values(value)]
 
 
-def origin_is_annotated(origin: t.Optional[t.Type[t.Any]]) -> bool:
+def origin_is_annotated(origin: t.Optional[type[t.Any]]) -> bool:
     """判断是否是 Annotated 类型"""
     with contextlib.suppress(TypeError):
         return origin is not None and issubclass(origin, t_ext.Annotated)
@@ -84,28 +96,19 @@ if sys.version_info >= (3, 10):
     NONE_TYPES.add(types.NoneType)
 
 
-def is_none_type(type_: t.Type[t.Any]) -> bool:
+def is_none_type(type_: type[t.Any]) -> bool:
     """判断是否是 None 类型"""
     return type_ in NONE_TYPES
 
 
-if sys.version_info < (3, 9):  # pragma: py-lt-39
-
-    def evaluate_forwardref(
-        ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
-    ) -> t.Any:
-        return ref._evaluate(globalns, localns)
-
-else:  # pragma: py-gte-39
-
-    def evaluate_forwardref(
-        ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
-    ) -> t.Any:
-        return ref._evaluate(globalns, localns, frozenset())
+def evaluate_forwardref(
+    ref: t.ForwardRef, globalns: dict[str, t.Any], localns: dict[str, t.Any]
+) -> t.Any:
+    return ref._evaluate(globalns, localns, frozenset())
 
 
 # state
-T_State: TypeAlias = t.Dict[t.Any, t.Any]
+T_State: TypeAlias = dict[t.Any, t.Any]
 """事件处理状态 State 类型"""
 
 _DependentCallable: TypeAlias = t.Union[
@@ -134,11 +137,11 @@ T_BotDisconnectionHook: TypeAlias = _DependentCallable[t.Any]
 
 # api hooks
 T_CallingAPIHook: TypeAlias = t.Callable[
-    ["Bot", str, t.Dict[str, t.Any]], t.Awaitable[t.Any]
+    ["Bot", str, dict[str, t.Any]], t.Awaitable[t.Any]
 ]
 """`bot.call_api` 钩子函数"""
 T_CalledAPIHook: TypeAlias = t.Callable[
-    ["Bot", t.Optional[Exception], str, t.Dict[str, t.Any], t.Any], t.Awaitable[t.Any]
+    ["Bot", t.Optional[Exception], str, dict[str, t.Any], t.Any], t.Awaitable[t.Any]
 ]
 """`bot.call_api` 后执行的函数，参数分别为 bot, exception, api, data, result"""
 
@@ -244,5 +247,5 @@ T_PermissionUpdater: TypeAlias = _DependentCallable["Permission"]
 - MatcherParam: Matcher 对象
 - DefaultParam: 带有默认值的参数
 """
-T_DependencyCache: TypeAlias = t.Dict[_DependentCallable[t.Any], "Task[t.Any]"]
+T_DependencyCache: TypeAlias = dict[_DependentCallable[t.Any], "Task[t.Any]"]
 """依赖缓存, 用于存储依赖函数的返回值"""