140 lines
4.1 KiB
Python
140 lines
4.1 KiB
Python
"""
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Support for Meteo France raining forecast.
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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/sensor.meteo_france/
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"""
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import logging
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import datetime
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (
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CONF_MONITORED_CONDITIONS, ATTR_ATTRIBUTION, TEMP_CELSIUS)
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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import homeassistant.helpers.config_validation as cv
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REQUIREMENTS = ['meteofrance==0.2.7']
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_LOGGER = logging.getLogger(__name__)
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CONF_ATTRIBUTION = "Data provided by Meteo-France"
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CONF_POSTAL_CODE = 'postal_code'
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STATE_ATTR_FORECAST = '1h rain forecast'
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SCAN_INTERVAL = datetime.timedelta(minutes=5)
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SENSOR_TYPES = {
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'rain_chance': ['Rain chance', '%'],
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'freeze_chance': ['Freeze chance', '%'],
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'thunder_chance': ['Thunder chance', '%'],
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'snow_chance': ['Snow chance', '%'],
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'weather': ['Weather', None],
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'wind_speed': ['Wind Speed', 'km/h'],
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'next_rain': ['Next rain', 'min'],
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'temperature': ['Temperature', TEMP_CELSIUS],
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'uv': ['UV', None],
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}
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_POSTAL_CODE): cv.string,
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vol.Required(CONF_MONITORED_CONDITIONS):
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vol.All(cv.ensure_list, [vol.In(SENSOR_TYPES)]),
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})
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Meteo-France sensor."""
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postal_code = config[CONF_POSTAL_CODE]
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from meteofrance.client import meteofranceClient, meteofranceError
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try:
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meteofrance_client = meteofranceClient(postal_code)
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except meteofranceError as exp:
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_LOGGER.error(exp)
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return
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client = MeteoFranceUpdater(meteofrance_client)
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add_entities([MeteoFranceSensor(variable, client)
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for variable in config[CONF_MONITORED_CONDITIONS]],
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True)
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class MeteoFranceSensor(Entity):
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"""Representation of a Sensor."""
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def __init__(self, condition, client):
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"""Initialize the sensor."""
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self._condition = condition
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self._client = client
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self._state = None
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self._data = {}
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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 "{} {}".format(self._data["name"],
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SENSOR_TYPES[self._condition][0])
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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if self._condition == 'next_rain' and "rain_forecast" in self._data:
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return {
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**{
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STATE_ATTR_FORECAST: self._data["rain_forecast"],
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},
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** self._data["next_rain_intervals"],
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**{
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ATTR_ATTRIBUTION: CONF_ATTRIBUTION
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}
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}
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return {ATTR_ATTRIBUTION: CONF_ATTRIBUTION}
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return SENSOR_TYPES[self._condition][1]
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def update(self):
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"""Fetch new state data for the sensor."""
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try:
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self._client.update()
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self._data = self._client.get_data()
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self._state = self._data[self._condition]
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except KeyError:
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_LOGGER.error("No condition `%s` for location `%s`",
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self._condition, self._data["name"])
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self._state = None
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class MeteoFranceUpdater:
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"""Update data from Meteo-France."""
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def __init__(self, client):
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"""Initialize the data object."""
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self._client = client
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def get_data(self):
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"""Get the latest data from Meteo-France."""
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return self._client.get_data()
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@Throttle(SCAN_INTERVAL)
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def update(self):
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"""Get the latest data from Meteo-France."""
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from meteofrance.client import meteofranceError
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try:
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self._client.update()
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except meteofranceError as exp:
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_LOGGER.error(exp)
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