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167 lines
2.4 KiB
Markdown
167 lines
2.4 KiB
Markdown
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---
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# NoneBot.typing 模块
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## 类型
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下面的文档中，「类型」部分使用 Python 的 Type Hint 语法，见 [PEP 484](https://www.python.org/dev/peps/pep-0484/)、[PEP 526](https://www.python.org/dev/peps/pep-0526/) 和 [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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以下类型均可从 nonebot.typing 模块导入。
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## `T_State`
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* **类型**
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`Dict[Any, Any]`
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* **说明**
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事件处理状态 State 类型
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## `T_EventPreProcessor`
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* **类型**
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`Callable[[Bot, Event, T_State], Awaitable[None]]`
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* **说明**
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事件预处理函数 EventPreProcessor 类型
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## `T_EventPostProcessor`
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* **类型**
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`Callable[[Bot, Event, T_State], Awaitable[None]]`
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* **说明**
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事件预处理函数 EventPostProcessor 类型
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## `T_RunPreProcessor`
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* **类型**
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`Callable[[Matcher, Bot, Event, T_State], Awaitable[None]]`
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* **说明**
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事件响应器运行前预处理函数 RunPreProcessor 类型
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## `T_RunPostProcessor`
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* **类型**
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`Callable[[Matcher, Optional[Exception], Bot, Event, T_State], Awaitable[None]]`
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* **说明**
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事件响应器运行前预处理函数 RunPostProcessor 类型，第二个参数为运行时产生的错误（如果存在）
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## `T_RuleChecker`
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* **类型**
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`Callable[[Bot, Event, T_State], Union[bool, Awaitable[bool]]]`
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* **说明**
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RuleChecker 即判断是否响应事件的处理函数。
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## `T_PermissionChecker`
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* **类型**
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`Callable[[Bot, Event], Union[bool, Awaitable[bool]]]`
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* **说明**
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RuleChecker 即判断是否响应消息的处理函数。
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## `T_Handler`
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* **类型**
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* `Callable[[Bot, Event, T_State], Union[Awaitable[None], Awaitable[NoReturn]]]`
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* `Callable[[Bot, Event], Union[Awaitable[None], Awaitable[NoReturn]]]`
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* `Callable[[Bot, T_State], Union[Awaitable[None], Awaitable[NoReturn]]]`
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* `Callable[[Bot], Union[Awaitable[None], Awaitable[NoReturn]]]`
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* **说明**
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Handler 即事件的处理函数。
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## `T_ArgsParser`
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* **类型**
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`Callable[[Bot, Event, T_State], Union[Awaitable[None], Awaitable[NoReturn]]]`
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* **说明**
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ArgsParser 即消息参数解析函数，在 Matcher.got 获取参数时被运行。
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