108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
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"""
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Support for Australian BOM (Bureau of Meteorology) weather service.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/weather.bom/
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"""
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import logging
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import voluptuous as vol
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from homeassistant.components.weather import WeatherEntity, PLATFORM_SCHEMA
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from homeassistant.const import \
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CONF_NAME, TEMP_CELSIUS, CONF_LATITUDE, CONF_LONGITUDE
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from homeassistant.helpers import config_validation as cv
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# Reuse data and API logic from the sensor implementation
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from homeassistant.components.sensor.bom import \
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BOMCurrentData, closest_station, CONF_STATION, validate_station
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_STATION): validate_station,
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the BOM weather platform."""
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station = config.get(CONF_STATION) or closest_station(
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config.get(CONF_LATITUDE),
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config.get(CONF_LONGITUDE),
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hass.config.config_dir)
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if station is None:
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_LOGGER.error("Could not get BOM weather station from lat/lon")
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return False
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bom_data = BOMCurrentData(hass, station)
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try:
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bom_data.update()
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except ValueError as err:
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_LOGGER.error("Received error from BOM_Current: %s", err)
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return False
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add_devices([BOMWeather(bom_data, config.get(CONF_NAME))], True)
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class BOMWeather(WeatherEntity):
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"""Representation of a weather condition."""
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def __init__(self, bom_data, stationname=None):
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"""Initialise the platform with a data instance and station name."""
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self.bom_data = bom_data
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self.stationname = stationname or self.bom_data.data.get('name')
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def update(self):
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"""Update current conditions."""
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self.bom_data.update()
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@property
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def name(self):
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"""Return the name of the sensor."""
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return 'BOM {}'.format(self.stationname or '(unknown station)')
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@property
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def condition(self):
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"""Return the current condition."""
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return self.bom_data.data.get('weather')
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# Now implement the WeatherEntity interface
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@property
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def temperature(self):
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"""Return the platform temperature."""
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return self.bom_data.data.get('air_temp')
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@property
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def temperature_unit(self):
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"""Return the unit of measurement."""
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return TEMP_CELSIUS
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@property
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def pressure(self):
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"""Return the mean sea-level pressure."""
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return self.bom_data.data.get('press_msl')
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@property
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def humidity(self):
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"""Return the relative humidity."""
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return self.bom_data.data.get('rel_hum')
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@property
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def wind_speed(self):
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"""Return the wind speed."""
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return self.bom_data.data.get('wind_spd_kmh')
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@property
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def wind_bearing(self):
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"""Return the wind bearing."""
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directions = ['N', 'NNE', 'NE', 'ENE',
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'E', 'ESE', 'SE', 'SSE',
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'S', 'SSW', 'SW', 'WSW',
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'W', 'WNW', 'NW', 'NNW']
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wind = {name: idx * 360 / 16 for idx, name in enumerate(directions)}
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return wind.get(self.bom_data.data.get('wind_dir'))
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@property
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def attribution(self):
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"""Return the attribution."""
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return "Data provided by the Australian Bureau of Meteorology"
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