mirror of
https://github.com/nonebot/nonebot2.git
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185 lines
4.8 KiB
Python
185 lines
4.8 KiB
Python
"""本模块定义了 NoneBot 模块中共享的一些类型。
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使用 Python 的 Type Hint 语法,
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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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FrontMatter:
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sidebar_position: 11
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description: nonebot.typing 模块
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"""
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from typing_extensions import ParamSpec, TypeAlias
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from typing import (
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TYPE_CHECKING,
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Any,
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Dict,
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Union,
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TypeVar,
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Callable,
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Optional,
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Awaitable,
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)
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if TYPE_CHECKING:
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from asyncio import Task
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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 = Callable[P, T]
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def overrides(InterfaceClass: object) -> Callable[[T_Wrapped], T_Wrapped]:
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"""标记一个方法为父类 interface 的 implement"""
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def overrider(func: T_Wrapped) -> T_Wrapped:
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assert func.__name__ in dir(InterfaceClass), f"Error method: {func.__name__}"
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return func
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return overrider
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# state
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T_State: TypeAlias = Dict[Any, Any]
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"""事件处理状态 State 类型"""
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_DependentCallable: TypeAlias = Union[Callable[..., T], Callable[..., Awaitable[T]]]
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# driver hooks
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T_BotConnectionHook: TypeAlias = _DependentCallable[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[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 = Callable[["Bot", str, Dict[str, Any]], Awaitable[Any]]
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"""`bot.call_api` 钩子函数"""
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T_CalledAPIHook: TypeAlias = Callable[
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["Bot", Optional[Exception], str, Dict[str, Any], Any], Awaitable[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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# event hooks
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T_EventPreProcessor: TypeAlias = _DependentCallable[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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- 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[Any]
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"""事件预处理函数 EventPostProcessor 类型
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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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- 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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# matcher run hooks
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T_RunPreProcessor: TypeAlias = _DependentCallable[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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- 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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T_RunPostProcessor: TypeAlias = _DependentCallable[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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- 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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# 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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- 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_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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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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- EventParam: Event 对象
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- DefaultParam: 带有默认值的参数
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"""
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T_Handler: TypeAlias = _DependentCallable[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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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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- 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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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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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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- 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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T_DependencyCache: TypeAlias = Dict[_DependentCallable[Any], "Task[Any]"]
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"""依赖缓存, 用于存储依赖函数的返回值"""
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