nonebot2/nonebot/typing.py

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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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下面的文档中类型部分使用 Python Type Hint 语法
参考 [`PEP 484`](https://www.python.org/dev/peps/pep-0484/),
[`PEP 526`](https://www.python.org/dev/peps/pep-0526/)
[`typing`](https://docs.python.org/3/library/typing.html)
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除了 Python 内置的类型下面还出现了如下 NoneBot 自定类型实际上它们是 Python 内置类型的别名
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FrontMatter:
sidebar_position: 11
description: nonebot.typing 模块
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"""
from typing import (
TYPE_CHECKING,
Any,
Dict,
Union,
TypeVar,
Callable,
Optional,
Awaitable,
)
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if TYPE_CHECKING:
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from asyncio import Task
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from nonebot.adapters import Bot
from nonebot.permission import Permission
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T_Wrapped = TypeVar("T_Wrapped", bound=Callable)
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def overrides(InterfaceClass: object) -> Callable[[T_Wrapped], T_Wrapped]:
"""标记一个方法为父类 interface 的 implement"""
def overrider(func: T_Wrapped) -> T_Wrapped:
assert func.__name__ in dir(InterfaceClass), f"Error method: {func.__name__}"
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return func
return overrider
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T_State = Dict[Any, Any]
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"""事件处理状态 State 类型"""
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T_BotConnectionHook = Callable[..., Awaitable[Any]]
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"""Bot 连接建立时钩子函数"""
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T_BotDisconnectionHook = Callable[..., Awaitable[Any]]
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"""Bot 连接断开时钩子函数"""
T_CallingAPIHook = 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 = Callable[
["Bot", Optional[Exception], str, Dict[str, Any], Any], Awaitable[Any]
]
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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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T_EventPreProcessor = Callable[..., Union[Any, Awaitable[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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- DefaultParam: 带有默认值的参数
"""
T_EventPostProcessor = Callable[..., Union[Any, Awaitable[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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- DefaultParam: 带有默认值的参数
"""
T_RunPreProcessor = Callable[..., Union[Any, Awaitable[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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- MatcherParam: Matcher 对象
- DefaultParam: 带有默认值的参数
"""
T_RunPostProcessor = Callable[..., Union[Any, Awaitable[Any]]]
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"""事件响应器运行前预处理函数 RunPostProcessor 类型
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依赖参数:
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- DependParam: 子依赖参数
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- MatcherParam: Matcher 对象
- ExceptionParam: 异常对象可能为 None
- DefaultParam: 带有默认值的参数
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"""
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T_RuleChecker = Callable[..., Union[bool, Awaitable[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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- DefaultParam: 带有默认值的参数
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"""
T_PermissionChecker = Callable[..., Union[bool, Awaitable[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
- BotParam: Bot 对象
- EventParam: Event 对象
- DefaultParam: 带有默认值的参数
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"""
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T_Handler = Callable[..., Any]
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"""Handler 处理函数。"""
T_TypeUpdater = Callable[..., Union[str, Awaitable[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。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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- MatcherParam: Matcher 对象
- DefaultParam: 带有默认值的参数
"""
T_PermissionUpdater = Callable[..., Union["Permission", Awaitable["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。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
- BotParam: Bot 对象
- EventParam: Event 对象
- StateParam: State 对象
- MatcherParam: Matcher 对象
- DefaultParam: 带有默认值的参数
"""
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T_DependencyCache = Dict[Callable[..., Any], "Task[Any]"]
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"""依赖缓存, 用于存储依赖函数的返回值"""