362 lines
12 KiB
Python
362 lines
12 KiB
Python
"""Support for the Automatic platform."""
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import asyncio
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from datetime import timedelta
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import json
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import logging
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import os
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import aioautomatic
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from aiohttp import web
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import voluptuous as vol
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from homeassistant.components.device_tracker import (
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ATTR_ATTRIBUTES,
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ATTR_DEV_ID,
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ATTR_GPS,
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ATTR_GPS_ACCURACY,
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ATTR_HOST_NAME,
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ATTR_MAC,
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PLATFORM_SCHEMA,
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)
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from homeassistant.components.http import HomeAssistantView
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from homeassistant.const import EVENT_HOMEASSISTANT_STOP
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from homeassistant.core import callback
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.event import async_track_time_interval
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_LOGGER = logging.getLogger(__name__)
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ATTR_FUEL_LEVEL = "fuel_level"
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CONF_CLIENT_ID = "client_id"
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CONF_CURRENT_LOCATION = "current_location"
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CONF_DEVICES = "devices"
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CONF_SECRET = "secret"
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DATA_CONFIGURING = "automatic_configurator_clients"
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DATA_REFRESH_TOKEN = "refresh_token"
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DEFAULT_SCOPE = ["location", "trip", "vehicle:events", "vehicle:profile"]
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DEFAULT_TIMEOUT = 5
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EVENT_AUTOMATIC_UPDATE = "automatic_update"
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FULL_SCOPE = DEFAULT_SCOPE + ["current_location"]
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_CLIENT_ID): cv.string,
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vol.Required(CONF_SECRET): cv.string,
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vol.Optional(CONF_CURRENT_LOCATION, default=False): cv.boolean,
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vol.Optional(CONF_DEVICES): vol.All(cv.ensure_list, [cv.string]),
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}
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)
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def _get_refresh_token_from_file(hass, filename):
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"""Attempt to load session data from file."""
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path = hass.config.path(filename)
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if not os.path.isfile(path):
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return None
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try:
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with open(path) as data_file:
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data = json.load(data_file)
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if data is None:
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return None
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return data.get(DATA_REFRESH_TOKEN)
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except ValueError:
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return None
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def _write_refresh_token_to_file(hass, filename, refresh_token):
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"""Attempt to store session data to file."""
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path = hass.config.path(filename)
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os.makedirs(os.path.dirname(path), exist_ok=True)
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with open(path, "w+") as data_file:
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json.dump({DATA_REFRESH_TOKEN: refresh_token}, data_file)
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@asyncio.coroutine
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def async_setup_scanner(hass, config, async_see, discovery_info=None):
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"""Validate the configuration and return an Automatic scanner."""
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hass.http.register_view(AutomaticAuthCallbackView())
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scope = FULL_SCOPE if config.get(CONF_CURRENT_LOCATION) else DEFAULT_SCOPE
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client = aioautomatic.Client(
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client_id=config[CONF_CLIENT_ID],
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client_secret=config[CONF_SECRET],
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client_session=async_get_clientsession(hass),
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request_kwargs={"timeout": DEFAULT_TIMEOUT},
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)
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filename = f".automatic/session-{config[CONF_CLIENT_ID]}.json"
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refresh_token = yield from hass.async_add_job(
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_get_refresh_token_from_file, hass, filename
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)
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@asyncio.coroutine
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def initialize_data(session):
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"""Initialize the AutomaticData object from the created session."""
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hass.async_add_job(
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_write_refresh_token_to_file, hass, filename, session.refresh_token
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)
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data = AutomaticData(hass, client, session, config.get(CONF_DEVICES), async_see)
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# Load the initial vehicle data
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vehicles = yield from session.get_vehicles()
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for vehicle in vehicles:
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hass.async_create_task(data.load_vehicle(vehicle))
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# Create a task instead of adding a tracking job, since this task will
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# run until the websocket connection is closed.
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hass.loop.create_task(data.ws_connect())
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if refresh_token is not None:
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try:
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session = yield from client.create_session_from_refresh_token(refresh_token)
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yield from initialize_data(session)
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return True
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except aioautomatic.exceptions.AutomaticError as err:
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_LOGGER.error(str(err))
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configurator = hass.components.configurator
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request_id = configurator.async_request_config(
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"Automatic",
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description=("Authorization required for Automatic device tracker."),
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link_name="Click here to authorize Home Assistant.",
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link_url=client.generate_oauth_url(scope),
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entity_picture="/static/images/logo_automatic.png",
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)
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@asyncio.coroutine
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def initialize_callback(code, state):
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"""Call after OAuth2 response is returned."""
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try:
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session = yield from client.create_session_from_oauth_code(code, state)
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yield from initialize_data(session)
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configurator.async_request_done(request_id)
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except aioautomatic.exceptions.AutomaticError as err:
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_LOGGER.error(str(err))
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configurator.async_notify_errors(request_id, str(err))
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return False
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if DATA_CONFIGURING not in hass.data:
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hass.data[DATA_CONFIGURING] = {}
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hass.data[DATA_CONFIGURING][client.state] = initialize_callback
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return True
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class AutomaticAuthCallbackView(HomeAssistantView):
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"""Handle OAuth finish callback requests."""
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requires_auth = False
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url = "/api/automatic/callback"
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name = "api:automatic:callback"
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@callback
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def get(self, request): # pylint: disable=no-self-use
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"""Finish OAuth callback request."""
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hass = request.app["hass"]
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params = request.query
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response = web.HTTPFound("/states")
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if "state" not in params or "code" not in params:
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if "error" in params:
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_LOGGER.error("Error authorizing Automatic: %s", params["error"])
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return response
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_LOGGER.error("Error authorizing Automatic. Invalid response returned")
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return response
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if (
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DATA_CONFIGURING not in hass.data
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or params["state"] not in hass.data[DATA_CONFIGURING]
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):
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_LOGGER.error("Automatic configuration request not found")
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return response
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code = params["code"]
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state = params["state"]
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initialize_callback = hass.data[DATA_CONFIGURING][state]
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hass.async_create_task(initialize_callback(code, state))
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return response
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class AutomaticData:
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"""A class representing an Automatic cloud service connection."""
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def __init__(self, hass, client, session, devices, async_see):
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"""Initialize the automatic device scanner."""
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self.hass = hass
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self.devices = devices
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self.vehicle_info = {}
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self.vehicle_seen = {}
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self.client = client
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self.session = session
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self.async_see = async_see
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self.ws_reconnect_handle = None
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self.ws_close_requested = False
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self.client.on_app_event(
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lambda name, event: self.hass.async_create_task(
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self.handle_event(name, event)
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)
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)
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hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self.ws_close())
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@asyncio.coroutine
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def handle_event(self, name, event):
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"""Coroutine to update state for a real time event."""
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self.hass.bus.async_fire(EVENT_AUTOMATIC_UPDATE, event.data)
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if event.vehicle.id not in self.vehicle_info:
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# If vehicle hasn't been seen yet, request the detailed
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# info for this vehicle.
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_LOGGER.info("New vehicle found")
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try:
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vehicle = yield from event.get_vehicle()
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except aioautomatic.exceptions.AutomaticError as err:
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_LOGGER.error(str(err))
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return
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yield from self.get_vehicle_info(vehicle)
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if event.created_at < self.vehicle_seen[event.vehicle.id]:
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# Skip events received out of order
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_LOGGER.debug(
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"Skipping out of order event. Event Created %s. Last seen event: %s",
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event.created_at,
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self.vehicle_seen[event.vehicle.id],
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)
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return
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self.vehicle_seen[event.vehicle.id] = event.created_at
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kwargs = self.vehicle_info[event.vehicle.id]
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if kwargs is None:
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# Ignored device
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return
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# If this is a vehicle status report, update the fuel level
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if name == "vehicle:status_report":
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fuel_level = event.vehicle.fuel_level_percent
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if fuel_level is not None:
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kwargs[ATTR_ATTRIBUTES][ATTR_FUEL_LEVEL] = fuel_level
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# Send the device seen notification
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if event.location is not None:
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kwargs[ATTR_GPS] = (event.location.lat, event.location.lon)
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kwargs[ATTR_GPS_ACCURACY] = event.location.accuracy_m
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yield from self.async_see(**kwargs)
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@asyncio.coroutine
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def ws_connect(self, now=None):
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"""Open the websocket connection."""
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self.ws_close_requested = False
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if self.ws_reconnect_handle is not None:
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_LOGGER.debug("Retrying websocket connection")
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try:
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ws_loop_future = yield from self.client.ws_connect()
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except aioautomatic.exceptions.UnauthorizedClientError:
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_LOGGER.error(
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"Client unauthorized for websocket connection. "
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"Ensure Websocket is selected in the Automatic "
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"developer application event delivery preferences"
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)
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return
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except aioautomatic.exceptions.AutomaticError as err:
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if self.ws_reconnect_handle is None:
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# Show log error and retry connection every 5 minutes
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_LOGGER.error("Error opening websocket connection: %s", err)
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self.ws_reconnect_handle = async_track_time_interval(
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self.hass, self.ws_connect, timedelta(minutes=5)
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)
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return
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if self.ws_reconnect_handle is not None:
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self.ws_reconnect_handle()
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self.ws_reconnect_handle = None
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_LOGGER.info("Websocket connected")
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try:
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yield from ws_loop_future
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except aioautomatic.exceptions.AutomaticError as err:
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_LOGGER.error(str(err))
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_LOGGER.info("Websocket closed")
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# If websocket was close was not requested, attempt to reconnect
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if not self.ws_close_requested:
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self.hass.loop.create_task(self.ws_connect())
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@asyncio.coroutine
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def ws_close(self):
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"""Close the websocket connection."""
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self.ws_close_requested = True
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if self.ws_reconnect_handle is not None:
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self.ws_reconnect_handle()
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self.ws_reconnect_handle = None
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yield from self.client.ws_close()
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@asyncio.coroutine
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def load_vehicle(self, vehicle):
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"""Load the vehicle's initial state and update hass."""
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kwargs = yield from self.get_vehicle_info(vehicle)
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yield from self.async_see(**kwargs)
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@asyncio.coroutine
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def get_vehicle_info(self, vehicle):
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"""Fetch the latest vehicle info from automatic."""
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name = vehicle.display_name
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if name is None:
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name = " ".join(
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filter(None, (str(vehicle.year), vehicle.make, vehicle.model))
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)
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if self.devices is not None and name not in self.devices:
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self.vehicle_info[vehicle.id] = None
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return
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self.vehicle_info[vehicle.id] = kwargs = {
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ATTR_DEV_ID: vehicle.id,
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ATTR_HOST_NAME: name,
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ATTR_MAC: vehicle.id,
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ATTR_ATTRIBUTES: {ATTR_FUEL_LEVEL: vehicle.fuel_level_percent},
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}
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self.vehicle_seen[vehicle.id] = vehicle.updated_at or vehicle.created_at
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if vehicle.latest_location is not None:
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location = vehicle.latest_location
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kwargs[ATTR_GPS] = (location.lat, location.lon)
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kwargs[ATTR_GPS_ACCURACY] = location.accuracy_m
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return kwargs
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trips = []
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try:
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# Get the most recent trip for this vehicle
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trips = yield from self.session.get_trips(vehicle=vehicle.id, limit=1)
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except aioautomatic.exceptions.AutomaticError as err:
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_LOGGER.error(str(err))
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if trips:
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location = trips[0].end_location
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kwargs[ATTR_GPS] = (location.lat, location.lon)
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kwargs[ATTR_GPS_ACCURACY] = location.accuracy_m
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if trips[0].ended_at >= self.vehicle_seen[vehicle.id]:
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self.vehicle_seen[vehicle.id] = trips[0].ended_at
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return kwargs
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