nonebot2/nonebot/typing.py

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"""
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## 类型
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下面的文档中类型部分使用 Python Type Hint 语法 [`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
以下类型均可从 nonebot.typing 模块导入
"""
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
from nonebot.adapters import Bot, Event
from nonebot.permission import Permission
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T_Wrapped = TypeVar("T_Wrapped", bound=Callable)
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def overrides(InterfaceClass: object):
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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"""
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事件处理状态 State 类型
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"""
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T_BotConnectionHook = Callable[["Bot"], Awaitable[None]]
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"""
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Bot 连接建立时执行的函数
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"""
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T_BotDisconnectionHook = Callable[["Bot"], Awaitable[None]]
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"""
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Bot 连接断开时执行的函数
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"""
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T_CallingAPIHook = Callable[["Bot", str, Dict[str, Any]], Awaitable[None]]
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"""
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`bot.call_api` 时执行的函数
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"""
T_CalledAPIHook = Callable[
["Bot", Optional[Exception], str, Dict[str, Any], Any], Awaitable[None]
]
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"""
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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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"""
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T_EventPreProcessor = Callable[..., Union[None, Awaitable[None]]]
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"""
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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[None, Awaitable[None]]]
"""
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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[None, Awaitable[None]]]
"""
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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[None, Awaitable[None]]]
"""
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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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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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"""
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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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"""
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RuleChecker 即判断是否响应消息的处理函数
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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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"""
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Handler 处理函数
"""
T_TypeUpdater = Callable[..., Union[str, Awaitable[str]]]
"""
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TypeUpdater 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 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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"""
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依赖缓存, 用于存储依赖函数的返回值
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"""