core/homeassistant/components/bizkaibus/sensor.py

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"""Support for Bizkaibus, Biscay (Basque Country, Spain) Bus service."""
import logging
import voluptuous as vol
from bizkaibus.bizkaibus import BizkaibusData
import homeassistant.helpers.config_validation as cv
from homeassistant.const import CONF_NAME
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.helpers.entity import Entity
_LOGGER = logging.getLogger(__name__)
ATTR_DUE_IN = 'Due in'
CONF_STOP_ID = 'stopid'
CONF_ROUTE = 'route'
DEFAULT_NAME = 'Next bus'
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_STOP_ID): cv.string,
vol.Required(CONF_ROUTE): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
})
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Bizkaibus public transport sensor."""
name = config.get(CONF_NAME)
stop = config[CONF_STOP_ID]
route = config[CONF_ROUTE]
data = Bizkaibus(stop, route)
add_entities([BizkaibusSensor(data, stop, route, name)], True)
class BizkaibusSensor(Entity):
"""The class for handling the data."""
def __init__(self, data, stop, route, name):
"""Initialize the sensor."""
self.data = data
self.stop = stop
self.route = route
self._name = name
self._state = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit of measurement of the sensor."""
return 'minutes'
def update(self):
"""Get the latest data from the webservice."""
self.data.update()
try:
self._state = self.data.info[0][ATTR_DUE_IN]
except TypeError:
pass
class Bizkaibus:
"""The class for handling the data retrieval."""
def __init__(self, stop, route):
"""Initialize the data object."""
self.stop = stop
self.route = route
self.info = None
def update(self):
"""Retrieve the information from API."""
bridge = BizkaibusData(self.stop, self.route)
bridge.getNextBus()
self.info = bridge.info