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99 lines
2.0 KiB
Markdown
99 lines
2.0 KiB
Markdown
---
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sidebar_position: 0
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description: nonebot.dependencies 模块
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---
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# nonebot.dependencies
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本模块模块实现了依赖注入的定义与处理。
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## _abstract class_ `Param(default=PydanticUndefined, **kwargs)` {#Param}
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- **说明**
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依赖注入的基本单元 —— 参数。
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继承自 `pydantic.fields.FieldInfo`，用于描述参数信息（不包括参数名）。
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- **参数**
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- `default` (Any)
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- `**kwargs` (Any)
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## _class_ `Dependent(call, params=<factory>, parameterless=<factory>)` {#Dependent}
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- **说明**
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依赖注入容器
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- **参数**
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- `call` ((*Any, \*\*Any) -> (~ R) | (*Any, \*\*Any) -> Awaitable[(~ R)]): 依赖注入的可调用对象，可以是任何 Callable 对象
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- `params` (tuple[pydantic.fields.ModelField]): 具名参数列表
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- `parameterless` (tuple[[Param](#Param)]): 匿名参数列表
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- `pre_checkers`: 依赖注入解析前的参数检查
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- `allow_types`: 允许的参数类型
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### _async method_ `check(self, **params)` {#Dependent-check}
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- **参数**
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- `**params` (Any)
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- **返回**
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- None
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### _classmethod_ `parse(cls, *, call, parameterless=None, allow_types)` {#Dependent-parse}
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- **参数**
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- `call` ((*Any, \*\*Any) -> (~ R) | (*Any, \*\*Any) -> Awaitable[(~ R)])
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- `parameterless` (Iterable[Any] | None)
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- `allow_types` (Iterable[Type[[Param](#Param)]])
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- **返回**
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- Dependent[R]
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### _staticmethod_ `parse_parameterless(parameterless, allow_types)` {#Dependent-parse_parameterless}
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- **参数**
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- `parameterless` (tuple[Any, ...])
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- `allow_types` (tuple[Type[[Param](#Param)], ...])
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- **返回**
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- tuple[[Param](#Param), ...]
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### _staticmethod_ `parse_params(call, allow_types)` {#Dependent-parse_params}
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- **参数**
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- `call` ((*Any, \*\*Any) -> (~ R) | (*Any, \*\*Any) -> Awaitable[(~ R)])
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- `allow_types` (tuple[Type[[Param](#Param)], ...])
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- **返回**
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- tuple[pydantic.fields.ModelField]
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### _async method_ `solve(self, **params)` {#Dependent-solve}
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- **参数**
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- `**params` (Any)
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- **返回**
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- dict[str, Any]
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