mirror of
https://github.com/nonebot/nonebot2.git
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606 lines
15 KiB
Markdown
606 lines
15 KiB
Markdown
---
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sidebar_position: 3
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description: nonebot.matcher 模块
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---
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# nonebot.matcher
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本模块实现事件响应器的创建与运行,并提供一些快捷方法来帮助用户更好的与机器人进行对话。
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## _class_ `Matcher()` {#Matcher}
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- **说明**
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事件响应器类
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### _classmethod_ `append_handler(cls, handler, parameterless=None)` {#Matcher-append_handler}
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- **参数**
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- `handler` ((*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any])
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- `parameterless` (Iterable[Any] | None)
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- **返回**
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- [Dependent](./dependencies/index.md#Dependent)[typing.Any]
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### _async classmethod_ `check_perm(cls, bot, event, stack=None, dependency_cache=None)` {#Matcher-check_perm}
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- **说明**
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检查是否满足触发权限
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot): Bot 对象
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- `event` (nonebot.internal.adapter.event.Event): 上报事件
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- `stack` (contextlib.AsyncExitStack | None): 异步上下文栈
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- `dependency_cache` (dict[(*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any], Task[Any]] | None): 依赖缓存
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- **返回**
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- bool: 是否满足权限
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### _async classmethod_ `check_rule(cls, bot, event, state, stack=None, dependency_cache=None)` {#Matcher-check_rule}
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- **说明**
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检查是否满足匹配规则
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot): Bot 对象
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- `event` (nonebot.internal.adapter.event.Event): 上报事件
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- `state` (dict[Any, Any]): 当前状态
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- `stack` (contextlib.AsyncExitStack | None): 异步上下文栈
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- `dependency_cache` (dict[(*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any], Task[Any]] | None): 依赖缓存
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- **返回**
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- bool: 是否满足匹配规则
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### _method_ `ensure_context(self, bot, event)` {#Matcher-ensure_context}
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot)
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- `event` (nonebot.internal.adapter.event.Event)
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- **返回**
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- Unknown
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### _async classmethod_ `finish(cls, message=None, **kwargs)` {#Matcher-finish}
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- **说明**
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发送一条消息给当前交互用户并结束当前事件响应器
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- **参数**
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- `message` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 消息内容
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- `**kwargs`: [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- NoReturn
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### _method_ `get_arg(self, key, default=None)` {#Matcher-get_arg}
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- **说明**
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获取一个 `got` 消息
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如果没有找到对应的消息,返回 `default` 值
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- **参数**
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- `key` (str)
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- `default` ((~ T) | None)
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- **返回**
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- nonebot.internal.adapter.message.Message | (~ T) | NoneType
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### _method_ `get_last_receive(self, default=None)` {#Matcher-get_last_receive}
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- **说明**
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获取最近一次 `receive` 事件
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如果没有事件,返回 `default` 值
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- **参数**
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- `default` ((~ T) | None)
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- **返回**
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- nonebot.internal.adapter.event.Event | (~ T) | NoneType
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### _method_ `get_receive(self, id, default=None)` {#Matcher-get_receive}
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- **说明**
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获取一个 `receive` 事件
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如果没有找到对应的事件,返回 `default` 值
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- **参数**
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- `id` (str)
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- `default` ((~ T) | None)
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- **返回**
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- nonebot.internal.adapter.event.Event | (~ T) | NoneType
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### _method_ `get_target(self, default=None)` {#Matcher-get_target}
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- **参数**
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- `default` ((~ T) | None)
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- **返回**
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- str | (~ T) | NoneType
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### _classmethod_ `got(cls, key, prompt=None, parameterless=None)` {#Matcher-got}
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- **说明**
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装饰一个函数来指示 NoneBot 获取一个参数 `key`
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当要获取的 `key` 不存在时接收用户新的一条消息再运行该函数,如果 `key` 已存在则直接继续运行
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- **参数**
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- `key` (str): 参数名
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- `prompt` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 在参数不存在时向用户发送的消息
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- `parameterless` (Iterable[Any] | None): 非参数类型依赖列表
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- **返回**
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- ((\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]) -> (\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]
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### _classmethod_ `handle(cls, parameterless=None)` {#Matcher-handle}
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- **说明**
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装饰一个函数来向事件响应器直接添加一个处理函数
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- **参数**
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- `parameterless` (Iterable[Any] | None): 非参数类型依赖列表
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- **返回**
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- ((\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]) -> (\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]
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### _classmethod_ `new(cls, type_='', rule=None, permission=None, handlers=None, temp=False, priority=1, block=False, *, plugin=None, module=None, expire_time=None, default_state=None, default_type_updater=None, default_permission_updater=None)` {#Matcher-new}
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- **说明**
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创建一个新的事件响应器,并存储至 `matchers <#matchers>`\_
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- **参数**
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- `type_` (str): 事件响应器类型,与 `event.get_type()` 一致时触发,空字符串表示任意
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- `rule` (nonebot.internal.rule.Rule | None): 匹配规则
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- `permission` (nonebot.internal.permission.Permission | None): 权限
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- `handlers` (list[(*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any] | [Dependent](./dependencies/index.md#Dependent)[Any]] | None): 事件处理函数列表
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- `temp` (bool): 是否为临时事件响应器,即触发一次后删除
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- `priority` (int): 响应优先级
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- `block` (bool): 是否阻止事件向更低优先级的响应器传播
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- `plugin` (Plugin | None): 事件响应器所在插件
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- `module` (module | None): 事件响应器所在模块
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- `expire_time` (datetime.datetime | datetime.timedelta | NoneType): 事件响应器最终有效时间点,过时即被删除
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- `default_state` (dict[Any, Any] | None): 默认状态 `state`
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- `default_type_updater` ((*Any, \*\*Any) -> str | (*Any, \*\*Any) -> Awaitable[str] | [Dependent](./dependencies/index.md#Dependent)[str] | NoneType)
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- `default_permission_updater` ((*Any, \*\*Any) -> Permission | (*Any, \*\*Any) -> Awaitable[Permission] | [Dependent](./dependencies/index.md#Dependent)[nonebot.internal.permission.Permission] | NoneType)
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- **返回**
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- Type[Matcher]: 新的事件响应器类
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### _async classmethod_ `pause(cls, prompt=None, **kwargs)` {#Matcher-pause}
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- **说明**
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发送一条消息给当前交互用户并暂停事件响应器,在接收用户新的一条消息后继续下一个处理函数
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- **参数**
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- `prompt` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 消息内容
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- `**kwargs`: [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- NoReturn
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### _classmethod_ `permission_updater(cls, func)` {#Matcher-permission_updater}
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- **说明**
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装饰一个函数来更改当前事件响应器的默认会话权限更新函数
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- **参数**
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- `func` ((*Any, \*\*Any) -> Permission | (*Any, \*\*Any) -> Awaitable[Permission]): 会话权限更新函数
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- **返回**
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- (\*Any, \*\*Any) -> Permission | (\*Any, \*\*Any) -> Awaitable[Permission]
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### _classmethod_ `receive(cls, id='', parameterless=None)` {#Matcher-receive}
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- **说明**
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装饰一个函数来指示 NoneBot 在接收用户新的一条消息后继续运行该函数
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- **参数**
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- `id` (str): 消息 ID
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- `parameterless` (Iterable[Any] | None): 非参数类型依赖列表
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- **返回**
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- ((\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]) -> (\*Any, \*\*Any) -> Any | (\*Any, \*\*Any) -> Awaitable[Any]
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### _async classmethod_ `reject(cls, prompt=None, **kwargs)` {#Matcher-reject}
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- **说明**
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最近使用 `got` / `receive` 接收的消息不符合预期,
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发送一条消息给当前交互用户并将当前事件处理流程中断在当前位置,在接收用户新的一个事件后从头开始执行当前处理函数
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- **参数**
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- `prompt` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 消息内容
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- `**kwargs`: [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- NoReturn
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### _async classmethod_ `reject_arg(cls, key, prompt=None, **kwargs)` {#Matcher-reject_arg}
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- **说明**
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最近使用 `got` 接收的消息不符合预期,
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发送一条消息给当前交互用户并将当前事件处理流程中断在当前位置,在接收用户新的一条消息后从头开始执行当前处理函数
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- **参数**
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- `key` (str): 参数名
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- `prompt` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 消息内容
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- `**kwargs`: [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- NoReturn
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### _async classmethod_ `reject_receive(cls, id='', prompt=None, **kwargs)` {#Matcher-reject_receive}
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- **说明**
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最近使用 `receive` 接收的消息不符合预期,
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发送一条消息给当前交互用户并将当前事件处理流程中断在当前位置,在接收用户新的一个事件后从头开始执行当前处理函数
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- **参数**
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- `id` (str): 消息 id
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- `prompt` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate | NoneType): 消息内容
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- `**kwargs`: [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- NoReturn
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### _async method_ `resolve_reject(self)` {#Matcher-resolve_reject}
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- **返回**
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- Unknown
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### _async method_ `run(self, bot, event, state, stack=None, dependency_cache=None)` {#Matcher-run}
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot)
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- `event` (nonebot.internal.adapter.event.Event)
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- `state` (dict[Any, Any])
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- `stack` (contextlib.AsyncExitStack | None)
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- `dependency_cache` (dict[(*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any], Task[Any]] | None)
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- **返回**
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- Unknown
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### _async classmethod_ `send(cls, message, **kwargs)` {#Matcher-send}
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- **说明**
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发送一条消息给当前交互用户
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- **参数**
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- `message` (str | nonebot.internal.adapter.message.Message | nonebot.internal.adapter.message.MessageSegment | nonebot.internal.adapter.template.MessageTemplate): 消息内容
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- `**kwargs` (Any): [Bot.send](./adapters/index.md#Bot-send) 的参数,请参考对应 adapter 的 bot 对象 api
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- **返回**
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- Any
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### _method_ `set_arg(self, key, message)` {#Matcher-set_arg}
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- **说明**
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设置一个 `got` 消息
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- **参数**
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- `key` (str)
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- `message` (nonebot.internal.adapter.message.Message)
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- **返回**
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- None
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### _method_ `set_receive(self, id, event)` {#Matcher-set_receive}
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- **说明**
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设置一个 `receive` 事件
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- **参数**
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- `id` (str)
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- `event` (nonebot.internal.adapter.event.Event)
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- **返回**
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- None
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### _method_ `set_target(self, target, cache=True)` {#Matcher-set_target}
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- **参数**
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- `target` (str)
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- `cache` (bool)
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- **返回**
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- None
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### _async method_ `simple_run(self, bot, event, state, stack=None, dependency_cache=None)` {#Matcher-simple_run}
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot)
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- `event` (nonebot.internal.adapter.event.Event)
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- `state` (dict[Any, Any])
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- `stack` (contextlib.AsyncExitStack | None)
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- `dependency_cache` (dict[(*Any, \*\*Any) -> Any | (*Any, \*\*Any) -> Awaitable[Any], Task[Any]] | None)
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- **返回**
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- Unknown
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### _classmethod_ `skip(cls)` {#Matcher-skip}
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- **说明**
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跳过当前事件处理函数,继续下一个处理函数
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通常在事件处理函数的依赖中使用。
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- **返回**
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- NoReturn
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### _method_ `stop_propagation(self)` {#Matcher-stop_propagation}
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- **说明**
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阻止事件传播
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- **返回**
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- Unknown
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### _classmethod_ `type_updater(cls, func)` {#Matcher-type_updater}
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- **说明**
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装饰一个函数来更改当前事件响应器的默认响应事件类型更新函数
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- **参数**
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- `func` ((*Any, \*\*Any) -> str | (*Any, \*\*Any) -> Awaitable[str]): 响应事件类型更新函数
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- **返回**
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- (\*Any, \*\*Any) -> str | (\*Any, \*\*Any) -> Awaitable[str]
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### _async method_ `update_permission(self, bot, event)` {#Matcher-update_permission}
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot)
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- `event` (nonebot.internal.adapter.event.Event)
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- **返回**
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- nonebot.internal.permission.Permission
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### _async method_ `update_type(self, bot, event)` {#Matcher-update_type}
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- **参数**
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- `bot` (nonebot.internal.adapter.bot.Bot)
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- `event` (nonebot.internal.adapter.event.Event)
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- **返回**
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- str
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## _class_ `MatcherManager()` {#MatcherManager}
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- **说明**
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事件响应器管理器
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实现了常用字典操作,用于管理事件响应器。
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### _method_ `clear(self)` {#MatcherManager-clear}
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- **返回**
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- None
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### _method_ `get(self, key, default=None)` {#MatcherManager-get}
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- **参数**
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- `key` (int)
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- `default` ((~ T) | None)
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- **返回**
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- list[Type[Matcher]] | (~ T) | NoneType
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### _method_ `items(self)` {#MatcherManager-items}
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- **返回**
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- ItemsView[int, list[Type[Matcher]]]
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### _method_ `keys(self)` {#MatcherManager-keys}
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- **返回**
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- KeysView[int]
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### _method_ `pop(self, key)` {#MatcherManager-pop}
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- **参数**
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- `key` (int)
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- **返回**
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- list[Type[Matcher]]
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### _method_ `popitem(self)` {#MatcherManager-popitem}
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- **返回**
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- tuple[int, list[Type[Matcher]]]
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### _method_ `set_provider(self, provider_class)` {#MatcherManager-set_provider}
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- **说明**
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设置事件响应器存储器
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- **参数**
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- `provider_class` (Type[nonebot.internal.matcher.provider.MatcherProvider]): 事件响应器存储器类
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- **返回**
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- None
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### _method_ `setdefault(self, key, default)` {#MatcherManager-setdefault}
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- **参数**
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- `key` (int)
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- `default` (list[Type[Matcher]])
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- **返回**
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- list[Type[Matcher]]
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### _method_ `update(self, _MatcherManager__m)` {#MatcherManager-update}
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- **参数**
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- `_MatcherManager__m` (MutableMapping[int, list[Type[Matcher]]])
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- **返回**
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- None
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### _method_ `values(self)` {#MatcherManager-values}
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- **返回**
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- ValuesView[list[Type[Matcher]]]
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## _abstract class_ `MatcherProvider(matchers)` {#MatcherProvider}
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- **说明**
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事件响应器存储器基类
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- **参数**
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- `matchers` (Mapping[int, list[Type[Matcher]]]): 当前存储器中已有的事件响应器
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## _class_ `DEFAULT_PROVIDER_CLASS(matchers)` {#DEFAULT_PROVIDER_CLASS}
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- **参数**
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- `matchers` (Mapping[int, list[Type[Matcher]]])
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