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Prevent unnecessary updates of met component (#38168)

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Daniel Hjelseth Høyer 2020-07-25 11:18:30 +02:00 committed by GitHub
parent a07f4e0986
commit 662d79eb86
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1 changed files with 14 additions and 19 deletions
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33
homeassistant/components/met/weather.py
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@ -19,7 +19,6 @@ from homeassistant.const import (
PRESSURE_INHG,
TEMP_CELSIUS,
)
from homeassistant.core import callback
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.event import async_call_later
@ -82,27 +81,25 @@ class MetWeather(WeatherEntity):
self._unsub_fetch_data = None
self._weather_data = None
self._current_weather_data = {}
self._coordinates = {}
self._forecast_data = None
async def async_added_to_hass(self):
"""Start fetching data."""
self._init_data()
await self._fetch_data()
await self._init_data()
if self._config.get(CONF_TRACK_HOME):
self._unsub_track_home = self.hass.bus.async_listen(
EVENT_CORE_CONFIG_UPDATE, self._core_config_updated
EVENT_CORE_CONFIG_UPDATE, self._init_data
)
@callback
def _init_data(self):
"""Initialize a data object."""
conf = self._config
async def _init_data(self, _event=None):
"""Initialize and fetch data object."""
if self.track_home:
latitude = self.hass.config.latitude
longitude = self.hass.config.longitude
elevation = self.hass.config.elevation
else:
conf = self._config
latitude = conf[CONF_LATITUDE]
longitude = conf[CONF_LONGITUDE]
elevation = conf[CONF_ELEVATION]
@ -116,16 +113,13 @@ class MetWeather(WeatherEntity):
"lon": str(longitude),
"msl": str(elevation),
}
if coordinates == self._coordinates:
return
self._coordinates = coordinates
self._weather_data = metno.MetWeatherData(
coordinates, async_get_clientsession(self.hass), URL
)
async def _core_config_updated(self, _event):
"""Handle core config updated."""
self._init_data()
if self._unsub_fetch_data:
self._unsub_fetch_data()
self._unsub_fetch_data = None
await self._fetch_data()
async def will_remove_from_hass(self):
@ -140,6 +134,10 @@ class MetWeather(WeatherEntity):
async def _fetch_data(self, *_):
"""Get the latest data from met.no."""
if self._unsub_fetch_data:
self._unsub_fetch_data()
self._unsub_fetch_data = None
if not await self._weather_data.fetching_data():
# Retry in 15 to 20 minutes.
minutes = 15 + randrange(6)
@ -155,10 +153,7 @@ class MetWeather(WeatherEntity):
self._unsub_fetch_data = async_call_later(
self.hass, randrange(55, 65) * 60, self._fetch_data
)
self._update()
def _update(self, *_):
"""Get the latest data from Met.no."""
self._current_weather_data = self._weather_data.get_current_weather()
time_zone = dt_util.DEFAULT_TIME_ZONE
self._forecast_data = self._weather_data.get_forecast(time_zone)