mirror of
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513 lines
7.5 KiB
Markdown
513 lines
7.5 KiB
Markdown
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---
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mdx:
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format: md
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sidebar_position: 4
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description: nonebot.params 模块
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---
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# nonebot.params
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本模块定义了依赖注入的各类参数。
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## _def_ `Arg(key=None)` {#Arg}
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- **说明:** Arg 参数消息
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- **参数**
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- `key` (str | None)
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- **返回**
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- Any
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## _def_ `ArgStr(key=None)` {#ArgStr}
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- **说明:** Arg 参数消息文本
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- **参数**
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- `key` (str | None)
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- **返回**
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- str
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## _def_ `Depends(dependency=None, *, use_cache=True, validate=False)` {#Depends}
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- **说明:** 子依赖装饰器
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- **参数**
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- `dependency` ([T_Handler](typing.md#T-Handler) | None): 依赖函数。默认为参数的类型注释。
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- `use_cache` (bool): 是否使用缓存。默认为 `True`。
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- `validate` (bool | PydanticFieldInfo): 是否使用 Pydantic 类型校验。默认为 `False`。
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- **返回**
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- Any
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- **用法**
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```python
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def depend_func() -> Any:
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return ...
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def depend_gen_func():
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try:
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yield ...
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finally:
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...
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async def handler(
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param_name: Any = Depends(depend_func),
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gen: Any = Depends(depend_gen_func),
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):
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...
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```
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## _class_ `ArgParam(*args, key, type, **kwargs)` {#ArgParam}
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- **说明**
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Arg 注入参数
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本注入解析事件响应器操作 `got` 所获取的参数。
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可以通过 `Arg`、`ArgStr`、`ArgPlainText` 等函数参数 `key` 指定获取的参数,
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留空则会根据参数名称获取。
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- **参数**
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- `*args`
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- `key` (str)
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- `type` (Literal['message', 'str', 'plaintext'])
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- `**kwargs` (Any)
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## _class_ `BotParam(*args, checker=None, **kwargs)` {#BotParam}
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- **说明**
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注入参数。
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本注入解析所有类型为且仅为 [Bot](adapters/index.md#Bot) 及其子类或 `None` 的参数。
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为保证兼容性,本注入还会解析名为 `bot` 且没有类型注解的参数。
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- **参数**
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- `*args`
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- `checker` ([ModelField](compat.md#ModelField) | None)
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- `**kwargs` (Any)
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## _class_ `EventParam(*args, checker=None, **kwargs)` {#EventParam}
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- **说明**
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注入参数
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本注入解析所有类型为且仅为 [Event](adapters/index.md#Event) 及其子类或 `None` 的参数。
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为保证兼容性,本注入还会解析名为 `event` 且没有类型注解的参数。
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- **参数**
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- `*args`
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- `checker` ([ModelField](compat.md#ModelField) | None)
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- `**kwargs` (Any)
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## _class_ `StateParam(*args, validate=False, **kwargs)` {#StateParam}
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- **说明**
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事件处理状态注入参数
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本注入解析所有类型为 `T_State` 的参数。
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为保证兼容性,本注入还会解析名为 `state` 且没有类型注解的参数。
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- **参数**
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- `*args`
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- `validate` (bool)
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- `**kwargs` (Any)
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## _class_ `DependParam(*args, dependent, use_cache, **kwargs)` {#DependParam}
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- **说明**
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子依赖注入参数。
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本注入解析所有子依赖注入,然后将它们的返回值作为参数值传递给父依赖。
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本注入应该具有最高优先级,因此应该在其他参数之前检查。
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- **参数**
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- `*args`
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- `dependent` ([Dependent](dependencies/index.md#Dependent)[Any])
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- `use_cache` (bool)
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- `**kwargs` (Any)
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## _def_ `ArgPlainText(key=None)` {#ArgPlainText}
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- **说明:** Arg 参数消息纯文本
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- **参数**
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- `key` (str | None)
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- **返回**
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- str
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## _class_ `DefaultParam(*args, validate=False, **kwargs)` {#DefaultParam}
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- **说明**
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默认值注入参数
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本注入解析所有剩余未能解析且具有默认值的参数。
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本注入参数应该具有最低优先级,因此应该在所有其他注入参数之后使用。
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- **参数**
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- `*args`
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- `validate` (bool)
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- `**kwargs` (Any)
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## _class_ `MatcherParam(*args, checker=None, **kwargs)` {#MatcherParam}
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- **说明**
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事件响应器实例注入参数
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本注入解析所有类型为且仅为 [Matcher](matcher.md#Matcher) 及其子类或 `None` 的参数。
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为保证兼容性,本注入还会解析名为 `matcher` 且没有类型注解的参数。
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- **参数**
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- `*args`
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- `checker` ([ModelField](compat.md#ModelField) | None)
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- `**kwargs` (Any)
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## _class_ `ExceptionParam(*args, validate=False, **kwargs)` {#ExceptionParam}
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- **说明**
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的异常注入参数
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本注入解析所有类型为 `Exception` 或 `None` 的参数。
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为保证兼容性,本注入还会解析名为 `exception` 且没有类型注解的参数。
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- **参数**
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- `*args`
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- `validate` (bool)
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- `**kwargs` (Any)
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## _def_ `EventType()` {#EventType}
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- **说明:** 类型参数
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `EventMessage()` {#EventMessage}
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- **说明:** 消息参数
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- **参数**
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empty
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- **返回**
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- Any
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## _def_ `EventPlainText()` {#EventPlainText}
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- **说明:** 纯文本消息参数
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `EventToMe()` {#EventToMe}
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- **说明:** `to_me` 参数
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- **参数**
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empty
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- **返回**
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- bool
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## _def_ `Command()` {#Command}
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- **说明:** 消息命令元组
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- **参数**
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empty
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- **返回**
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- tuple[str, ...]
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## _def_ `RawCommand()` {#RawCommand}
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- **说明:** 消息命令文本
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `CommandArg()` {#CommandArg}
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- **说明:** 消息命令参数
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- **参数**
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empty
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- **返回**
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- Any
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## _def_ `CommandStart()` {#CommandStart}
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- **说明:** 消息命令开头
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `CommandWhitespace()` {#CommandWhitespace}
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- **说明:** 消息命令与参数之间的空白
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `ShellCommandArgs()` {#ShellCommandArgs}
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- **说明:** shell 命令解析后的参数字典
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- **参数**
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empty
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- **返回**
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- Any
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## _def_ `ShellCommandArgv()` {#ShellCommandArgv}
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- **说明:** shell 命令原始参数列表
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- **参数**
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empty
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- **返回**
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- Any
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## _def_ `RegexMatched()` {#RegexMatched}
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- **说明:** 正则匹配结果
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- **参数**
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empty
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- **返回**
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- Match[str]
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## _def_ `RegexStr(*groups)` {#RegexStr}
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- **说明:** 正则匹配结果文本
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- **重载**
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**1.** `(__group=0) -> str`
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- **参数**
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- `__group` (Literal[0])
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- **返回**
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- str
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**2.** `(__group) -> str | Any`
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- **参数**
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- `__group` (str | int)
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- **返回**
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- str | Any
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**3.** `(__group1, __group2, *groups) -> tuple[str | Any, ...]`
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- **参数**
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- `__group1` (str | int)
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- `__group2` (str | int)
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- `*groups` (str | int)
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- **返回**
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- tuple[str | Any, ...]
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## _def_ `RegexGroup()` {#RegexGroup}
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- **说明:** 正则匹配结果 group 元组
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- **参数**
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empty
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- **返回**
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- tuple[Any, ...]
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## _def_ `RegexDict()` {#RegexDict}
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- **说明:** 正则匹配结果 group 字典
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- **参数**
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empty
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- **返回**
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- dict[str, Any]
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## _def_ `Startswith()` {#Startswith}
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- **说明:** 响应触发前缀
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `Endswith()` {#Endswith}
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- **说明:** 响应触发后缀
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `Fullmatch()` {#Fullmatch}
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- **说明:** 响应触发完整消息
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `Keyword()` {#Keyword}
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- **说明:** 响应触发关键字
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- **参数**
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empty
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- **返回**
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- str
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## _def_ `Received(id=None, default=None)` {#Received}
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- **说明:** `receive` 事件参数
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- **参数**
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- `id` (str | None)
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- `default` (Any)
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- **返回**
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- Any
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## _def_ `LastReceived(default=None)` {#LastReceived}
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- **说明:** `last_receive` 事件参数
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- **参数**
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- `default` (Any)
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- **返回**
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- Any
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