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Use dataclass for MqttServiceInfo (#60191)

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* Use dataclass for MqttServiceInfo

* Drop test exception

Co-authored-by: epenet <epenet@users.noreply.github.com>
This commit is contained in:
epenet 2021-11-23 09:01:40 +01:00 committed by GitHub
parent 42ed6ddba3
commit 3b0d984959
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1 changed files with 23 additions and 2 deletions
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25
homeassistant/components/mqtt/discovery.py
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@ -1,13 +1,14 @@
"""Support for MQTT discovery."""
import asyncio
from collections import deque
from dataclasses import dataclass
import datetime as dt
import functools
import json
import logging
import re
import time
from typing import TypedDict
from typing import Any
from homeassistant.const import CONF_DEVICE, CONF_PLATFORM
from homeassistant.core import HomeAssistant
@ -17,6 +18,7 @@ from homeassistant.helpers.dispatcher import (
async_dispatcher_connect,
async_dispatcher_send,
)
from homeassistant.helpers.frame import report
from homeassistant.loader import async_get_mqtt
from .. import mqtt
@ -89,7 +91,8 @@ class MQTTConfig(dict):
"""Dummy class to allow adding attributes."""
class MqttServiceInfo(TypedDict):
@dataclass
class MqttServiceInfo:
"""Prepared info from mqtt entries."""
topic: str
@ -99,6 +102,24 @@ class MqttServiceInfo(TypedDict):
subscribed_topic: str
timestamp: dt.datetime
# Used to prevent log flooding. To be removed in 2022.6
_warning_logged: bool = False
def __getitem__(self, name: str) -> Any:
"""
Allow property access by name for compatibility reason.
Deprecated, and will be removed in version 2022.6.
"""
if not self._warning_logged:
report(
f"accessed discovery_info['{name}'] instead of discovery_info.{name}; this will fail in version 2022.6",
exclude_integrations={"mqtt"},
error_if_core=False,
)
self._warning_logged = True
return getattr(self, name)
async def async_start( # noqa: C901
hass: HomeAssistant, discovery_topic, config_entry=None