core/homeassistant/components/meteoalarm/binary_sensor.py

92 lines
2.5 KiB
Python

"""Binary Sensor for MeteoAlarm.eu."""
from datetime import timedelta
import logging
from meteoalertapi import Meteoalert
import voluptuous as vol
from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorEntity
from homeassistant.const import ATTR_ATTRIBUTION, CONF_NAME
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
ATTRIBUTION = "Information provided by MeteoAlarm"
CONF_COUNTRY = "country"
CONF_LANGUAGE = "language"
CONF_PROVINCE = "province"
DEFAULT_DEVICE_CLASS = "safety"
DEFAULT_NAME = "meteoalarm"
SCAN_INTERVAL = timedelta(minutes=30)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_COUNTRY): cv.string,
vol.Required(CONF_PROVINCE): cv.string,
vol.Optional(CONF_LANGUAGE, default="en"): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the MeteoAlarm binary sensor platform."""
country = config[CONF_COUNTRY]
province = config[CONF_PROVINCE]
language = config[CONF_LANGUAGE]
name = config[CONF_NAME]
try:
api = Meteoalert(country, province, language)
except KeyError:
_LOGGER.error("Wrong country digits or province name")
return
add_entities([MeteoAlertBinarySensor(api, name)], True)
class MeteoAlertBinarySensor(BinarySensorEntity):
"""Representation of a MeteoAlert binary sensor."""
def __init__(self, api, name):
"""Initialize the MeteoAlert binary sensor."""
self._name = name
self._attributes = {}
self._state = None
self._api = api
@property
def name(self):
"""Return the name of the binary sensor."""
return self._name
@property
def is_on(self):
"""Return the status of the binary sensor."""
return self._state
@property
def device_state_attributes(self):
"""Return the state attributes."""
self._attributes[ATTR_ATTRIBUTION] = ATTRIBUTION
return self._attributes
@property
def device_class(self):
"""Return the device class of this binary sensor."""
return DEFAULT_DEVICE_CLASS
def update(self):
"""Update device state."""
alert = self._api.get_alert()
if alert:
self._attributes = alert
self._state = True
else:
self._attributes = {}
self._state = False