nonebot2/nonebot/typing.py

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"""本模块定义了 NoneBot 模块中共享的一些类型。
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使用 Python Type Hint 语法
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参考 [`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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FrontMatter:
sidebar_position: 11
description: nonebot.typing 模块
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"""
import warnings
from typing_extensions import ParamSpec, TypeAlias, override
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
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from nonebot.adapters import Bot
from nonebot.permission import Permission
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T = TypeVar("T")
P = ParamSpec("P")
T_Wrapped: TypeAlias = Callable[P, T]
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def overrides(InterfaceClass: object):
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"""标记一个方法为父类 interface 的 implement"""
warnings.warn(
"overrides is deprecated and will be removed in a future version, "
"use @typing_extensions.override instead. "
"See [PEP 698](https://peps.python.org/pep-0698/) for more details.",
DeprecationWarning,
)
return override
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# state
T_State: TypeAlias = Dict[Any, Any]
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"""事件处理状态 State 类型"""
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_DependentCallable: TypeAlias = Union[Callable[..., T], Callable[..., Awaitable[T]]]
# driver hooks
T_BotConnectionHook: TypeAlias = _DependentCallable[Any]
"""Bot 连接建立时钩子函数
依赖参数:
- DependParam: 子依赖参数
- BotParam: Bot 对象
- DefaultParam: 带有默认值的参数
"""
T_BotDisconnectionHook: TypeAlias = _DependentCallable[Any]
"""Bot 连接断开时钩子函数
依赖参数:
- DependParam: 子依赖参数
- BotParam: Bot 对象
- DefaultParam: 带有默认值的参数
"""
# api hooks
T_CallingAPIHook: TypeAlias = Callable[["Bot", str, Dict[str, Any]], Awaitable[Any]]
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"""`bot.call_api` 钩子函数"""
T_CalledAPIHook: TypeAlias = Callable[
["Bot", Optional[Exception], str, Dict[str, Any], Any], Awaitable[Any]
]
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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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# event hooks
T_EventPreProcessor: TypeAlias = _DependentCallable[Any]
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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: TypeAlias = _DependentCallable[Any]
"""事件后处理函数 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
"""
# matcher run hooks
T_RunPreProcessor: TypeAlias = _DependentCallable[Any]
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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: TypeAlias = _DependentCallable[Any]
"""事件响应器运行后后处理函数 RunPostProcessor 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
- 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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# rule, permission
T_RuleChecker: TypeAlias = _DependentCallable[bool]
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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: TypeAlias = _DependentCallable[bool]
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"""PermissionChecker 即判断事件是否满足权限的处理函数。
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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: TypeAlias = _DependentCallable[Any]
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"""Handler 处理函数。"""
T_TypeUpdater: TypeAlias = _DependentCallable[str]
"""TypeUpdater 在 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: TypeAlias = _DependentCallable["Permission"]
"""PermissionUpdater 在 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
"""
T_DependencyCache: TypeAlias = Dict[_DependentCallable[Any], "Task[Any]"]
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"""依赖缓存, 用于存储依赖函数的返回值"""