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Use PEP 695 for decorator typing with type aliases (2) (#117663)

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Marc Mueller
2024-05-18 11:41:46 +02:00
committed by GitHub
parent d65437e347
commit 907b9c42e5
6 changed files with 41 additions and 55 deletions
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14
homeassistant/helpers/singleton.py
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@@ -5,26 +5,26 @@ from __future__ import annotations
import asyncio
from collections.abc import Callable
import functools
from typing import Any, TypeVar, cast, overload
from typing import Any, cast, overload
from homeassistant.core import HomeAssistant
from homeassistant.loader import bind_hass
from homeassistant.util.hass_dict import HassKey
_T = TypeVar("_T")
_FuncType = Callable[[HomeAssistant], _T]
type _FuncType[_T] = Callable[[HomeAssistant], _T]
@overload
def singleton(data_key: HassKey[_T]) -> Callable[[_FuncType[_T]], _FuncType[_T]]: ...
def singleton[_T](
data_key: HassKey[_T],
) -> Callable[[_FuncType[_T]], _FuncType[_T]]: ...
@overload
def singleton(data_key: str) -> Callable[[_FuncType[_T]], _FuncType[_T]]: ...
def singleton[_T](data_key: str) -> Callable[[_FuncType[_T]], _FuncType[_T]]: ...
def singleton(data_key: Any) -> Callable[[_FuncType[_T]], _FuncType[_T]]:
def singleton[_T](data_key: Any) -> Callable[[_FuncType[_T]], _FuncType[_T]]:
"""Decorate a function that should be called once per instance.
Result will be cached and simultaneous calls will be handled.