mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-12-01 01:25:07 +08:00
252 lines
6.8 KiB
Python
252 lines
6.8 KiB
Python
"""本模块定义了 NoneBot 模块中共享的一些类型。
|
||
|
||
使用 Python 的 Type Hint 语法，
|
||
参考 [`PEP 484`](https://www.python.org/dev/peps/pep-0484/),
|
||
[`PEP 526`](https://www.python.org/dev/peps/pep-0526/) 和
|
||
[`typing`](https://docs.python.org/3/library/typing.html)。
|
||
|
||
FrontMatter:
|
||
sidebar_position: 11
|
||
description: nonebot.typing 模块
|
||
"""
|
||
|
||
import sys
|
||
import types
|
||
import warnings
|
||
import contextlib
|
||
import typing as t
|
||
import typing_extensions as t_ext
|
||
from typing import TYPE_CHECKING, TypeVar
|
||
from typing_extensions import ParamSpec, TypeAlias, get_args, override, get_origin
|
||
|
||
if TYPE_CHECKING:
|
||
from asyncio import Task
|
||
|
||
from nonebot.adapters import Bot
|
||
from nonebot.permission import Permission
|
||
|
||
T = TypeVar("T")
|
||
P = ParamSpec("P")
|
||
|
||
T_Wrapped: TypeAlias = t.Callable[P, T]
|
||
|
||
|
||
def overrides(InterfaceClass: object):
|
||
"""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
|
||
|
||
|
||
if sys.version_info < (3, 10):
|
||
|
||
def type_has_args(type_: type[t.Any]) -> bool:
|
||
"""判断类型是否有参数"""
|
||
return isinstance(type_, (t._GenericAlias, types.GenericAlias)) # type: ignore
|
||
|
||
else:
|
||
|
||
def type_has_args(type_: type[t.Any]) -> bool:
|
||
return isinstance(type_, (t._GenericAlias, types.GenericAlias, types.UnionType)) # type: ignore
|
||
|
||
|
||
if sys.version_info < (3, 10):
|
||
|
||
def origin_is_union(origin: t.Optional[type[t.Any]]) -> bool:
|
||
"""判断是否是 Union 类型"""
|
||
return origin is t.Union
|
||
|
||
else:
|
||
|
||
def origin_is_union(origin: t.Optional[type[t.Any]]) -> bool:
|
||
return origin is t.Union or origin is types.UnionType
|
||
|
||
|
||
def origin_is_literal(origin: t.Optional[type[t.Any]]) -> bool:
|
||
"""判断是否是 Literal 类型"""
|
||
return origin is t.Literal or origin is t_ext.Literal
|
||
|
||
|
||
def _literal_values(type_: type[t.Any]) -> tuple[t.Any, ...]:
|
||
return get_args(type_)
|
||
|
||
|
||
def all_literal_values(type_: type[t.Any]) -> list[t.Any]:
|
||
"""获取 Literal 类型包含的所有值"""
|
||
if not origin_is_literal(get_origin(type_)):
|
||
return [type_]
|
||
|
||
return [x for value in _literal_values(type_) for x in all_literal_values(value)]
|
||
|
||
|
||
def origin_is_annotated(origin: t.Optional[type[t.Any]]) -> bool:
|
||
"""判断是否是 Annotated 类型"""
|
||
with contextlib.suppress(TypeError):
|
||
return origin is not None and issubclass(origin, t_ext.Annotated)
|
||
return False
|
||
|
||
|
||
NONE_TYPES = {None, type(None), t.Literal[None], t_ext.Literal[None]}
|
||
if sys.version_info >= (3, 10):
|
||
NONE_TYPES.add(types.NoneType)
|
||
|
||
|
||
def is_none_type(type_: type[t.Any]) -> bool:
|
||
"""判断是否是 None 类型"""
|
||
return type_ in NONE_TYPES
|
||
|
||
|
||
def evaluate_forwardref(
|
||
ref: t.ForwardRef, globalns: dict[str, t.Any], localns: dict[str, t.Any]
|
||
) -> t.Any:
|
||
return ref._evaluate(globalns, localns, frozenset())
|
||
|
||
|
||
# state
|
||
T_State: TypeAlias = dict[t.Any, t.Any]
|
||
"""事件处理状态 State 类型"""
|
||
|
||
_DependentCallable: TypeAlias = t.Union[
|
||
t.Callable[..., T], t.Callable[..., t.Awaitable[T]]
|
||
]
|
||
|
||
# driver hooks
|
||
T_BotConnectionHook: TypeAlias = _DependentCallable[t.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[t.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 = t.Callable[
|
||
["Bot", str, dict[str, t.Any]], t.Awaitable[t.Any]
|
||
]
|
||
"""`bot.call_api` 钩子函数"""
|
||
T_CalledAPIHook: TypeAlias = t.Callable[
|
||
["Bot", t.Optional[Exception], str, dict[str, t.Any], t.Any], t.Awaitable[t.Any]
|
||
]
|
||
"""`bot.call_api` 后执行的函数，参数分别为 bot, exception, api, data, result"""
|
||
|
||
# event hooks
|
||
T_EventPreProcessor: TypeAlias = _DependentCallable[t.Any]
|
||
"""事件预处理函数 EventPreProcessor 类型
|
||
|
||
依赖参数:
|
||
|
||
- 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[t.Any]
|
||
"""事件后处理函数 EventPostProcessor 类型
|
||
|
||
依赖参数:
|
||
|
||
- 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[t.Any]
|
||
"""事件响应器运行前预处理函数 RunPreProcessor 类型
|
||
|
||
依赖参数:
|
||
|
||
- 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[t.Any]
|
||
"""事件响应器运行后后处理函数 RunPostProcessor 类型
|
||
|
||
依赖参数:
|
||
|
||
- 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
|
||
"""
|
||
|
||
# rule, permission
|
||
T_RuleChecker: TypeAlias = _DependentCallable[bool]
|
||
"""RuleChecker 即判断是否响应事件的处理函数。
|
||
|
||
依赖参数:
|
||
|
||
- 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_PermissionChecker: TypeAlias = _DependentCallable[bool]
|
||
"""PermissionChecker 即判断事件是否满足权限的处理函数。
|
||
|
||
依赖参数:
|
||
|
||
- DependParam: 子依赖参数
|
||
- BotParam: Bot 对象
|
||
- EventParam: Event 对象
|
||
- DefaultParam: 带有默认值的参数
|
||
"""
|
||
|
||
T_Handler: TypeAlias = _DependentCallable[t.Any]
|
||
"""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`。
|
||
|
||
依赖参数:
|
||
|
||
- 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。
|
||
|
||
依赖参数:
|
||
|
||
- 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[t.Any], "Task[t.Any]"]
|
||
"""依赖缓存, 用于存储依赖函数的返回值"""
|