core/homeassistant/components/tomorrowio/weather.py

262 lines
8.4 KiB
Python

"""Weather component that handles meteorological data for your location."""
from __future__ import annotations
from datetime import datetime
from typing import Any
from pytomorrowio.const import DAILY, FORECASTS, HOURLY, NOWCAST, WeatherCode
from homeassistant.components.weather import (
ATTR_FORECAST_CONDITION,
ATTR_FORECAST_PRECIPITATION,
ATTR_FORECAST_PRECIPITATION_PROBABILITY,
ATTR_FORECAST_TEMP,
ATTR_FORECAST_TEMP_LOW,
ATTR_FORECAST_TIME,
ATTR_FORECAST_WIND_BEARING,
ATTR_FORECAST_WIND_SPEED,
WeatherEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_API_KEY,
CONF_NAME,
LENGTH_KILOMETERS,
LENGTH_MILLIMETERS,
PRESSURE_HPA,
SPEED_METERS_PER_SECOND,
TEMP_CELSIUS,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.sun import is_up
from homeassistant.util import dt as dt_util
from . import TomorrowioDataUpdateCoordinator, TomorrowioEntity
from .const import (
CLEAR_CONDITIONS,
CONDITIONS,
CONF_TIMESTEP,
DEFAULT_FORECAST_TYPE,
DOMAIN,
MAX_FORECASTS,
TMRW_ATTR_CONDITION,
TMRW_ATTR_HUMIDITY,
TMRW_ATTR_OZONE,
TMRW_ATTR_PRECIPITATION,
TMRW_ATTR_PRECIPITATION_PROBABILITY,
TMRW_ATTR_PRESSURE,
TMRW_ATTR_TEMPERATURE,
TMRW_ATTR_TEMPERATURE_HIGH,
TMRW_ATTR_TEMPERATURE_LOW,
TMRW_ATTR_TIMESTAMP,
TMRW_ATTR_VISIBILITY,
TMRW_ATTR_WIND_DIRECTION,
TMRW_ATTR_WIND_SPEED,
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up a config entry."""
coordinator = hass.data[DOMAIN][config_entry.data[CONF_API_KEY]]
entities = [
TomorrowioWeatherEntity(config_entry, coordinator, 4, forecast_type)
for forecast_type in (DAILY, HOURLY, NOWCAST)
]
async_add_entities(entities)
class TomorrowioWeatherEntity(TomorrowioEntity, WeatherEntity):
"""Entity that talks to Tomorrow.io v4 API to retrieve weather data."""
_attr_temperature_unit = TEMP_CELSIUS
_attr_pressure_unit = PRESSURE_HPA
_attr_wind_speed_unit = SPEED_METERS_PER_SECOND
_attr_visibility_unit = LENGTH_KILOMETERS
_attr_precipitation_unit = LENGTH_MILLIMETERS
def __init__(
self,
config_entry: ConfigEntry,
coordinator: TomorrowioDataUpdateCoordinator,
api_version: int,
forecast_type: str,
) -> None:
"""Initialize Tomorrow.io Weather Entity."""
super().__init__(config_entry, coordinator, api_version)
self.forecast_type = forecast_type
self._attr_entity_registry_enabled_default = (
forecast_type == DEFAULT_FORECAST_TYPE
)
self._attr_name = f"{config_entry.data[CONF_NAME]} - {forecast_type.title()}"
self._attr_unique_id = f"{config_entry.unique_id}_{forecast_type}"
def _forecast_dict(
self,
forecast_dt: datetime,
use_datetime: bool,
condition: int,
precipitation: float | None,
precipitation_probability: float | None,
temp: float | None,
temp_low: float | None,
wind_direction: float | None,
wind_speed: float | None,
) -> dict[str, Any]:
"""Return formatted Forecast dict from Tomorrow.io forecast data."""
if use_datetime:
translated_condition = self._translate_condition(
condition, is_up(self.hass, forecast_dt)
)
else:
translated_condition = self._translate_condition(condition, True)
data = {
ATTR_FORECAST_TIME: forecast_dt.isoformat(),
ATTR_FORECAST_CONDITION: translated_condition,
ATTR_FORECAST_PRECIPITATION: precipitation,
ATTR_FORECAST_PRECIPITATION_PROBABILITY: precipitation_probability,
ATTR_FORECAST_TEMP: temp,
ATTR_FORECAST_TEMP_LOW: temp_low,
ATTR_FORECAST_WIND_BEARING: wind_direction,
ATTR_FORECAST_WIND_SPEED: wind_speed,
}
return {k: v for k, v in data.items() if v is not None}
@staticmethod
def _translate_condition(
condition: int | None, sun_is_up: bool = True
) -> str | None:
"""Translate Tomorrow.io condition into an HA condition."""
if condition is None:
return None
# We won't guard here, instead we will fail hard
condition = WeatherCode(condition)
if condition in (WeatherCode.CLEAR, WeatherCode.MOSTLY_CLEAR):
if sun_is_up:
return CLEAR_CONDITIONS["day"]
return CLEAR_CONDITIONS["night"]
return CONDITIONS[condition]
@property
def temperature(self):
"""Return the platform temperature."""
return self._get_current_property(TMRW_ATTR_TEMPERATURE)
@property
def pressure(self):
"""Return the raw pressure."""
return self._get_current_property(TMRW_ATTR_PRESSURE)
@property
def humidity(self):
"""Return the humidity."""
return self._get_current_property(TMRW_ATTR_HUMIDITY)
@property
def wind_speed(self):
"""Return the raw wind speed."""
return self._get_current_property(TMRW_ATTR_WIND_SPEED)
@property
def wind_bearing(self):
"""Return the wind bearing."""
return self._get_current_property(TMRW_ATTR_WIND_DIRECTION)
@property
def ozone(self):
"""Return the O3 (ozone) level."""
return self._get_current_property(TMRW_ATTR_OZONE)
@property
def condition(self):
"""Return the condition."""
return self._translate_condition(
self._get_current_property(TMRW_ATTR_CONDITION),
is_up(self.hass),
)
@property
def visibility(self):
"""Return the raw visibility."""
return self._get_current_property(TMRW_ATTR_VISIBILITY)
@property
def forecast(self):
"""Return the forecast."""
# Check if forecasts are available
raw_forecasts = (
self.coordinator.data.get(self._config_entry.entry_id, {})
.get(FORECASTS, {})
.get(self.forecast_type)
)
if not raw_forecasts:
return None
forecasts = []
max_forecasts = MAX_FORECASTS[self.forecast_type]
forecast_count = 0
# Convert utcnow to local to be compatible with tests
today = dt_util.as_local(dt_util.utcnow()).date()
# Set default values (in cases where keys don't exist), None will be
# returned. Override properties per forecast type as needed
for forecast in raw_forecasts:
forecast_dt = dt_util.parse_datetime(forecast[TMRW_ATTR_TIMESTAMP])
# Throw out past data
if dt_util.as_local(forecast_dt).date() < today:
continue
values = forecast["values"]
use_datetime = True
condition = values.get(TMRW_ATTR_CONDITION)
precipitation = values.get(TMRW_ATTR_PRECIPITATION)
precipitation_probability = values.get(TMRW_ATTR_PRECIPITATION_PROBABILITY)
temp = values.get(TMRW_ATTR_TEMPERATURE_HIGH)
temp_low = None
wind_direction = values.get(TMRW_ATTR_WIND_DIRECTION)
wind_speed = values.get(TMRW_ATTR_WIND_SPEED)
if self.forecast_type == DAILY:
use_datetime = False
temp_low = values.get(TMRW_ATTR_TEMPERATURE_LOW)
if precipitation:
precipitation = precipitation * 24
elif self.forecast_type == NOWCAST:
# Precipitation is forecasted in CONF_TIMESTEP increments but in a
# per hour rate, so value needs to be converted to an amount.
if precipitation:
precipitation = (
precipitation / 60 * self._config_entry.options[CONF_TIMESTEP]
)
forecasts.append(
self._forecast_dict(
forecast_dt,
use_datetime,
condition,
precipitation,
precipitation_probability,
temp,
temp_low,
wind_direction,
wind_speed,
)
)
forecast_count += 1
if forecast_count == max_forecasts:
break
return forecasts