nonebot2/nonebot/typing.py

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"""
类型
====
下面的文档中类型部分使用 Python Type Hint 语法 `PEP 484`_`PEP 526`_ `typing`_
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
.. _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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from typing import (TYPE_CHECKING, Any, Dict, Union, TypeVar, Callable,
NoReturn, Optional, Awaitable)
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if TYPE_CHECKING:
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):
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def overrider(func: T_Wrapped) -> T_Wrapped:
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assert func.__name__ in dir(
InterfaceClass), f"Error method: {func.__name__}"
return func
return overrider
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T_State = Dict[Any, Any]
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"""
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:类型: ``Dict[Any, Any]``
:说明:
事件处理状态 State 类型
"""
T_StateFactory = Callable[["Bot", "Event"], Awaitable[T_State]]
"""
:类型: ``Callable[[Bot, Event], Awaitable[T_State]]``
:说明:
事件处理状态 State 类工厂函数
"""
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T_BotConnectionHook = Callable[["Bot"], Awaitable[None]]
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"""
:类型: ``Callable[[Bot], Awaitable[None]]``
:说明:
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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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"""
:类型: ``Callable[[Bot], Awaitable[None]]``
:说明:
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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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"""
:类型: ``Callable[[Bot, str, Dict[str, Any]], Awaitable[None]]``
:说明:
``bot.call_api`` 时执行的函数
"""
T_CalledAPIHook = Callable[
["Bot", Optional[Exception], str, Dict[str, Any], Any], Awaitable[None]]
"""
:类型: ``Callable[[Bot, Optional[Exception], str, Dict[str, Any], Any], Awaitable[None]]``
:说明:
``bot.call_api`` 后执行的函数参数分别为 bot, exception, api, data, result
"""
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T_EventPreProcessor = Callable[..., Union[None, Awaitable[None]]]
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"""
:类型: ``Callable[..., Union[None, Awaitable[None]]]``
:依赖参数:
* ``BotParam``: Bot 对象
* ``EventParam``: Event 对象
* ``StateParam``: State 对象
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:说明:
事件预处理函数 EventPreProcessor 类型
"""
T_EventPostProcessor = Callable[..., Union[None, Awaitable[None]]]
"""
:类型: ``Callable[..., Union[None, Awaitable[None]]]``
:依赖参数:
* ``BotParam``: Bot 对象
* ``EventParam``: Event 对象
* ``StateParam``: State 对象
:说明:
事件预处理函数 EventPostProcessor 类型
"""
T_RunPreProcessor = Callable[..., Union[None, Awaitable[None]]]
"""
:类型: ``Callable[..., Union[None, Awaitable[None]]]``
:依赖参数:
* ``BotParam``: Bot 对象
* ``EventParam``: Event 对象
* ``StateParam``: State 对象
* ``MatcherParam``: Matcher 对象
:说明:
事件响应器运行前预处理函数 RunPreProcessor 类型
"""
T_RunPostProcessor = Callable[..., Union[None, Awaitable[None]]]
"""
:类型: ``Callable[..., Union[None, Awaitable[None]]]``
: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
:说明:
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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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"""
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T_RuleChecker = Callable[..., Union[bool, Awaitable[bool]]]
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"""
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:类型: ``Callable[..., Union[bool, Awaitable[bool]]]``
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:依赖参数:
* ``BotParam``: Bot 对象
* ``EventParam``: Event 对象
* ``StateParam``: State 对象
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:说明:
RuleChecker 即判断是否响应事件的处理函数
"""
T_PermissionChecker = Callable[..., Union[bool, Awaitable[bool]]]
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"""
:类型: ``Callable[..., Union[bool, Awaitable[bool]]]``
:依赖参数:
* ``BotParam``: Bot 对象
* ``EventParam``: Event 对象
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:说明:
RuleChecker 即判断是否响应消息的处理函数
"""
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T_Handler = Callable[..., Any]
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"""
:类型: ``Callable[..., Any]``
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:说明:
Handler 处理函数
"""
T_DependencyCache = Dict[T_Handler, Any]
"""
:类型: ``Dict[T_Handler, Any]``
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:说明:
依赖缓存, 用于存储依赖函数的返回值
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"""
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T_ArgsParser = Callable[["Bot", "Event", T_State], Union[Awaitable[None],
Awaitable[NoReturn]]]
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"""
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:类型: ``Callable[[Bot, Event, T_State], Union[Awaitable[None], Awaitable[NoReturn]]]``
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:说明:
ArgsParser 即消息参数解析函数 Matcher.got 获取参数时被运行
"""
T_TypeUpdater = Callable[["Bot", "Event", T_State, str], Awaitable[str]]
"""
:类型: ``Callable[[Bot, Event, T_State, str], Awaitable[str]]``
:说明:
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``
"""
T_PermissionUpdater = Callable[["Bot", "Event", T_State, "Permission"],
Awaitable["Permission"]]
"""
:类型: ``Callable[[Bot, Event, T_State, Permission], Awaitable[Permission]]``
:说明:
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
"""