120 lines
3.7 KiB
Python
120 lines
3.7 KiB
Python
"""
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Support for Västtrafik public transport.
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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.vasttrafik/
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"""
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from datetime import datetime
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from datetime import timedelta
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import logging
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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REQUIREMENTS = ['vtjp==0.1.11']
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_LOGGER = logging.getLogger(__name__)
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CONF_DELAY = 'delay'
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CONF_DEPARTURES = 'departures'
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CONF_FROM = 'from'
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CONF_HEADING = 'heading'
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CONF_KEY = 'key'
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CONF_NAME = 'name'
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CONF_SECRET = 'secret'
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ICON = 'mdi:train'
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=120)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_KEY): cv.string,
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vol.Required(CONF_SECRET): cv.string,
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vol.Optional(CONF_DEPARTURES): [{
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vol.Required(CONF_FROM): cv.string,
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vol.Optional(CONF_DELAY, default=0): cv.positive_int,
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vol.Optional(CONF_HEADING): cv.string,
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vol.Optional(CONF_NAME): cv.string}]
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the departure sensor."""
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from vasttrafik import JournyPlanner
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planner = JournyPlanner(
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config.get(CONF_KEY),
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config.get(CONF_SECRET))
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sensors = []
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for departure in config.get(CONF_DEPARTURES):
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sensors.append(
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VasttrafikDepartureSensor(
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planner,
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departure.get(CONF_NAME),
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departure.get(CONF_FROM),
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departure.get(CONF_HEADING),
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departure.get(CONF_DELAY)))
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add_devices(sensors)
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class VasttrafikDepartureSensor(Entity):
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"""Implementation of a Vasttrafik Departure Sensor."""
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def __init__(self, planner, name, departure, heading, delay):
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"""Initialize the sensor."""
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self._planner = planner
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self._name = name or departure
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self._departure = planner.location_name(departure)[0]
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self._heading = (planner.location_name(heading)[0]
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if heading else None)
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self._delay = timedelta(minutes=delay)
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self._departureboard = None
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self.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 self._name
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@property
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def icon(self):
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"""Return the icon for the frontend."""
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return ICON
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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if not self._departureboard:
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return
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departure = self._departureboard[0]
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params = {
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'Line': departure.get('sname', None),
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'Track': departure.get('track', None),
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'Direction': departure.get('direction', None),
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'Accessibility': departure.get('accessibility', None)
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}
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return {k: v for k, v in params.items() if v}
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@property
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def state(self):
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"""Return the next departure time."""
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if not self._departureboard:
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_LOGGER.warning(
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'No departures from "%s" heading "%s"',
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self._departure['name'],
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self._heading['name'] if self._heading else 'ANY')
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return
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if 'rtTime' in self._departureboard[0]:
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return self._departureboard[0]['rtTime']
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return self._departureboard[0]['time']
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def update(self):
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"""Get the departure board."""
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self._departureboard = self._planner.departureboard(
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self._departure['id'],
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direction=self._heading['id'] if self._heading else None,
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date=datetime.now()+self._delay)
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