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Add ClassVar annotation for singleton patterns (#134135)

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Marc Mueller 2024-12-28 13:17:15 +01:00 committed by GitHub
parent cc80108629
commit d9f2140df3
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2 changed files with 5 additions and 5 deletions
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4
homeassistant/components/cast/helpers.py
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@ -5,7 +5,7 @@ from __future__ import annotations
import configparser import configparser
from dataclasses import dataclass from dataclasses import dataclass
import logging import logging
from typing import TYPE_CHECKING from typing import TYPE_CHECKING, ClassVar
from urllib.parse import urlparse from urllib.parse import urlparse
import aiohttp import aiohttp
@ -129,7 +129,7 @@ class ChromecastInfo:
class ChromeCastZeroconf: class ChromeCastZeroconf:
"""Class to hold a zeroconf instance.""" """Class to hold a zeroconf instance."""
__zconf: zeroconf.HaZeroconf | None = None __zconf: ClassVar[zeroconf.HaZeroconf | None] = None
@classmethod @classmethod
def set_zeroconf(cls, zconf: zeroconf.HaZeroconf) -> None: def set_zeroconf(cls, zconf: zeroconf.HaZeroconf) -> None:

6
homeassistant/components/yeelight/scanner.py
View File

@ -9,7 +9,7 @@ from datetime import datetime
from functools import partial from functools import partial
from ipaddress import IPv4Address from ipaddress import IPv4Address
import logging import logging
from typing import Self from typing import ClassVar, Self
from urllib.parse import urlparse from urllib.parse import urlparse
from async_upnp_client.search import SsdpSearchListener from async_upnp_client.search import SsdpSearchListener
@ -44,11 +44,11 @@ def _set_future_if_not_done(future: asyncio.Future[None]) -> None:
class YeelightScanner: class YeelightScanner:
"""Scan for Yeelight devices.""" """Scan for Yeelight devices."""
_scanner: Self | None = None _scanner: ClassVar[Self | None] = None
@classmethod @classmethod
@callback @callback
def async_get(cls, hass: HomeAssistant) -> YeelightScanner: def async_get(cls, hass: HomeAssistant) -> Self:
"""Get scanner instance.""" """Get scanner instance."""
if cls._scanner is None: if cls._scanner is None:
cls._scanner = cls(hass) cls._scanner = cls(hass)