2022-01-19 16:16:56 +08:00
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"""本模块定义了 NoneBot 模块中共享的一些类型。
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2020-08-19 20:29:37 +08:00
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2023-06-24 14:47:35 +08:00
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使用 Python 的 Type Hint 语法,
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2022-01-19 16:16:56 +08:00
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参考 [`PEP 484`](https://www.python.org/dev/peps/pep-0484/),
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[`PEP 526`](https://www.python.org/dev/peps/pep-0526/) 和
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[`typing`](https://docs.python.org/3/library/typing.html)。
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2020-08-19 20:29:37 +08:00
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2022-01-16 11:30:09 +08:00
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FrontMatter:
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sidebar_position: 11
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description: nonebot.typing 模块
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2020-08-19 20:29:37 +08:00
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"""
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2022-08-14 19:41:00 +08:00
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2024-01-26 11:12:57 +08:00
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import sys
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import types
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2023-07-17 15:56:27 +08:00
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import warnings
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import contextlib
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2024-01-26 11:12:57 +08:00
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import typing as t
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import typing_extensions as t_ext
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from typing import TYPE_CHECKING, TypeVar
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from typing_extensions import ParamSpec, TypeAlias, get_args, override, get_origin
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if TYPE_CHECKING:
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from asyncio import Task
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2022-01-19 16:16:56 +08:00
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from nonebot.adapters import Bot
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from nonebot.permission import Permission
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T = TypeVar("T")
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P = ParamSpec("P")
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T_Wrapped: TypeAlias = t.Callable[P, T]
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def overrides(InterfaceClass: object):
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"""标记一个方法为父类 interface 的 implement"""
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2023-07-17 15:56:27 +08:00
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warnings.warn(
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"overrides is deprecated and will be removed in a future version, "
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"use @typing_extensions.override instead. "
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"See [PEP 698](https://peps.python.org/pep-0698/) for more details.",
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DeprecationWarning,
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)
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return override
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if sys.version_info < (3, 10):
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def origin_is_union(origin: t.Optional[t.Type[t.Any]]) -> bool:
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"""判断是否是 Union 类型"""
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return origin is t.Union
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else:
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def origin_is_union(origin: t.Optional[t.Type[t.Any]]) -> bool:
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return origin is t.Union or origin is types.UnionType
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def origin_is_literal(origin: t.Optional[t.Type[t.Any]]) -> bool:
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"""判断是否是 Literal 类型"""
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return origin is t.Literal or origin is t_ext.Literal
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def _literal_values(type_: t.Type[t.Any]) -> t.Tuple[t.Any, ...]:
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return get_args(type_)
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def all_literal_values(type_: t.Type[t.Any]) -> t.List[t.Any]:
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"""获取 Literal 类型包含的所有值"""
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if not origin_is_literal(get_origin(type_)):
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return [type_]
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return [x for value in _literal_values(type_) for x in all_literal_values(value)]
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def origin_is_annotated(origin: t.Optional[t.Type[t.Any]]) -> bool:
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"""判断是否是 Annotated 类型"""
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with contextlib.suppress(TypeError):
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return origin is not None and issubclass(origin, t_ext.Annotated)
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return False
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NONE_TYPES = {None, type(None), t.Literal[None], t_ext.Literal[None]}
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if sys.version_info >= (3, 10):
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NONE_TYPES.add(types.NoneType)
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def is_none_type(type_: t.Type[t.Any]) -> bool:
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"""判断是否是 None 类型"""
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return type_ in NONE_TYPES
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if sys.version_info < (3, 9): # pragma: py-lt-39
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def evaluate_forwardref(
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ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
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) -> t.Any:
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return ref._evaluate(globalns, localns)
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else: # pragma: py-gte-39
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def evaluate_forwardref(
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ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
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) -> t.Any:
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return ref._evaluate(globalns, localns, frozenset())
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2022-08-14 19:41:00 +08:00
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# state
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T_State: TypeAlias = t.Dict[t.Any, t.Any]
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"""事件处理状态 State 类型"""
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2020-12-17 21:09:30 +08:00
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_DependentCallable: TypeAlias = t.Union[
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t.Callable[..., T], t.Callable[..., t.Awaitable[T]]
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]
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# driver hooks
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T_BotConnectionHook: TypeAlias = _DependentCallable[t.Any]
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"""Bot 连接建立时钩子函数
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依赖参数:
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- DefaultParam: 带有默认值的参数
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"""
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T_BotDisconnectionHook: TypeAlias = _DependentCallable[t.Any]
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"""Bot 连接断开时钩子函数
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依赖参数:
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- DefaultParam: 带有默认值的参数
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"""
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# api hooks
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T_CallingAPIHook: TypeAlias = t.Callable[
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["Bot", str, t.Dict[str, t.Any]], t.Awaitable[t.Any]
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]
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"""`bot.call_api` 钩子函数"""
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T_CalledAPIHook: TypeAlias = t.Callable[
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["Bot", t.Optional[Exception], str, t.Dict[str, t.Any], t.Any], t.Awaitable[t.Any]
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]
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"""`bot.call_api` 后执行的函数,参数分别为 bot, exception, api, data, result"""
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2020-12-28 13:36:00 +08:00
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2022-08-14 19:41:00 +08:00
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# event hooks
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T_EventPreProcessor: TypeAlias = _DependentCallable[t.Any]
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"""事件预处理函数 EventPreProcessor 类型
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依赖参数:
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- DefaultParam: 带有默认值的参数
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"""
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T_EventPostProcessor: TypeAlias = _DependentCallable[t.Any]
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"""事件后处理函数 EventPostProcessor 类型
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依赖参数:
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- DefaultParam: 带有默认值的参数
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2020-11-07 17:35:44 +08:00
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"""
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# matcher run hooks
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T_RunPreProcessor: TypeAlias = _DependentCallable[t.Any]
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"""事件响应器运行前预处理函数 RunPreProcessor 类型
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依赖参数:
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2020-11-07 17:35:44 +08:00
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- MatcherParam: Matcher 对象
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- DefaultParam: 带有默认值的参数
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2020-11-07 17:35:44 +08:00
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"""
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T_RunPostProcessor: TypeAlias = _DependentCallable[t.Any]
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"""事件响应器运行后后处理函数 RunPostProcessor 类型
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依赖参数:
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- MatcherParam: Matcher 对象
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- ExceptionParam: 异常对象(可能为 None)
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- DefaultParam: 带有默认值的参数
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"""
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2020-08-10 13:06:02 +08:00
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2022-08-14 19:41:00 +08:00
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# rule, permission
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T_RuleChecker: TypeAlias = _DependentCallable[bool]
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"""RuleChecker 即判断是否响应事件的处理函数。
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依赖参数:
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- DefaultParam: 带有默认值的参数
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2020-08-19 23:00:31 +08:00
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"""
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T_PermissionChecker: TypeAlias = _DependentCallable[bool]
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"""PermissionChecker 即判断事件是否满足权限的处理函数。
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2021-11-21 12:36:44 +08:00
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2022-01-12 19:15:56 +08:00
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依赖参数:
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2020-08-19 23:00:31 +08:00
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- DefaultParam: 带有默认值的参数
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2020-08-19 23:00:31 +08:00
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"""
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2020-12-17 01:52:16 +08:00
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T_Handler: TypeAlias = _DependentCallable[t.Any]
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"""Handler 处理函数。"""
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T_TypeUpdater: TypeAlias = _DependentCallable[str]
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"""TypeUpdater 在 Matcher.pause, Matcher.reject 时被运行,用于更新响应的事件类型。
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默认会更新为 `message`。
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2021-12-12 18:19:08 +08:00
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2022-01-12 19:15:56 +08:00
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依赖参数:
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2021-03-03 16:06:19 +08:00
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- MatcherParam: Matcher 对象
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- DefaultParam: 带有默认值的参数
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2021-03-03 16:06:19 +08:00
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"""
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2023-06-24 14:47:35 +08:00
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T_PermissionUpdater: TypeAlias = _DependentCallable["Permission"]
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"""PermissionUpdater 在 Matcher.pause, Matcher.reject 时被运行,用于更新会话对象权限。
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默认会更新为当前事件的触发对象。
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2021-12-12 18:19:08 +08:00
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依赖参数:
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2021-03-03 16:06:19 +08:00
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2022-01-15 09:35:30 +08:00
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- DependParam: 子依赖参数
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- BotParam: Bot 对象
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- EventParam: Event 对象
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- StateParam: State 对象
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- MatcherParam: Matcher 对象
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- DefaultParam: 带有默认值的参数
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"""
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2024-01-26 11:12:57 +08:00
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T_DependencyCache: TypeAlias = t.Dict[_DependentCallable[t.Any], "Task[t.Any]"]
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2022-01-19 16:16:56 +08:00
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"""依赖缓存, 用于存储依赖函数的返回值"""
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