nonebot2/nonebot/typing.py
pre-commit-ci[bot] 4dae23d3bb
⬆️ auto update by pre-commit hooks (#2565)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Ju4tCode <42488585+yanyongyu@users.noreply.github.com>
2024-02-06 12:48:23 +08:00

249 lines
6.7 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

"""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 origin_is_union(origin: t.Optional[t.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[t.Type[t.Any]]) -> bool:
return origin is t.Union or origin is types.UnionType
def origin_is_literal(origin: t.Optional[t.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_: t.Type[t.Any]) -> t.Tuple[t.Any, ...]:
return get_args(type_)
def all_literal_values(type_: t.Type[t.Any]) -> t.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[t.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_: t.Type[t.Any]) -> bool:
"""判断是否是 None 类型"""
return type_ in NONE_TYPES
if sys.version_info < (3, 9): # pragma: py-lt-39
def evaluate_forwardref(
ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
) -> t.Any:
return ref._evaluate(globalns, localns)
else: # pragma: py-gte-39
def evaluate_forwardref(
ref: t.ForwardRef, globalns: t.Dict[str, t.Any], localns: t.Dict[str, t.Any]
) -> t.Any:
return ref._evaluate(globalns, localns, frozenset())
# state
T_State: TypeAlias = t.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, t.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, t.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 = t.Dict[_DependentCallable[t.Any], "Task[t.Any]"]
"""依赖缓存, 用于存储依赖函数的返回值"""