core/homeassistant/components/mercedesme.py

157 lines
4.9 KiB
Python

"""
Support for MercedesME System.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/mercedesme/
"""
import asyncio
import logging
from datetime import timedelta
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.const import (
CONF_USERNAME, CONF_PASSWORD, CONF_SCAN_INTERVAL, LENGTH_KILOMETERS)
from homeassistant.helpers import discovery
from homeassistant.helpers.dispatcher import (
async_dispatcher_connect, dispatcher_send)
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.event import track_time_interval
REQUIREMENTS = ['mercedesmejsonpy==0.1.2']
_LOGGER = logging.getLogger(__name__)
BINARY_SENSORS = {
'doorsClosed': ['Doors closed'],
'windowsClosed': ['Windows closed'],
'locked': ['Doors locked'],
'tireWarningLight': ['Tire Warning']
}
SENSORS = {
'fuelLevelPercent': ['Fuel Level', '%'],
'fuelRangeKm': ['Fuel Range', LENGTH_KILOMETERS],
'latestTrip': ['Latest Trip', None],
'odometerKm': ['Odometer', LENGTH_KILOMETERS],
'serviceIntervalDays': ['Next Service', 'days']
}
DATA_MME = 'mercedesme'
DOMAIN = 'mercedesme'
FEATURE_NOT_AVAILABLE = "The feature %s is not available for your car %s"
NOTIFICATION_ID = 'mercedesme_integration_notification'
NOTIFICATION_TITLE = 'Mercedes me integration setup'
SIGNAL_UPDATE_MERCEDESME = "mercedesme_update"
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_USERNAME): cv.string,
vol.Required(CONF_PASSWORD): cv.string,
vol.Optional(CONF_SCAN_INTERVAL, default=30):
vol.All(cv.positive_int, vol.Clamp(min=10))
})
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up MercedesMe System."""
from mercedesmejsonpy.controller import Controller
from mercedesmejsonpy import Exceptions
conf = config[DOMAIN]
username = conf.get(CONF_USERNAME)
password = conf.get(CONF_PASSWORD)
scan_interval = conf.get(CONF_SCAN_INTERVAL)
try:
mercedesme_api = Controller(username, password, scan_interval)
if not mercedesme_api.is_valid_session:
raise Exceptions.MercedesMeException(500)
hass.data[DATA_MME] = MercedesMeHub(mercedesme_api)
except Exceptions.MercedesMeException as ex:
if ex.code == 401:
hass.components.persistent_notification.create(
"Error:<br />Please check username and password."
"You will need to restart Home Assistant after fixing.",
title=NOTIFICATION_TITLE,
notification_id=NOTIFICATION_ID)
else:
hass.components.persistent_notification.create(
"Error:<br />Can't communicate with Mercedes me API.<br />"
"Error code: {} Reason: {}"
"You will need to restart Home Assistant after fixing."
"".format(ex.code, ex.message),
title=NOTIFICATION_TITLE,
notification_id=NOTIFICATION_ID)
_LOGGER.error("Unable to communicate with Mercedes me API: %s",
ex.message)
return False
discovery.load_platform(hass, 'sensor', DOMAIN, {}, config)
discovery.load_platform(hass, 'device_tracker', DOMAIN, {}, config)
discovery.load_platform(hass, 'binary_sensor', DOMAIN, {}, config)
def hub_refresh(event_time):
"""Call Mercedes me API to refresh information."""
_LOGGER.info("Updating Mercedes me component.")
hass.data[DATA_MME].data.update()
dispatcher_send(hass, SIGNAL_UPDATE_MERCEDESME)
track_time_interval(
hass,
hub_refresh,
timedelta(seconds=scan_interval))
return True
class MercedesMeHub(object):
"""Representation of a base MercedesMe device."""
def __init__(self, data):
"""Initialize the entity."""
self.data = data
class MercedesMeEntity(Entity):
"""Entity class for MercedesMe devices."""
def __init__(self, data, internal_name, sensor_name, vin, unit):
"""Initialize the MercedesMe entity."""
self._car = None
self._data = data
self._state = False
self._name = sensor_name
self._internal_name = internal_name
self._unit = unit
self._vin = vin
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@asyncio.coroutine
def async_added_to_hass(self):
"""Register callbacks."""
async_dispatcher_connect(
self.hass, SIGNAL_UPDATE_MERCEDESME, self._update_callback)
def _update_callback(self):
"""Callback update method."""
# If the method is made a callback this should be changed
# to the async version. Check core.callback
self.schedule_update_ha_state(True)
@property
def unit_of_measurement(self):
"""Return the unit of measurement."""
return self._unit