145 lines
3.9 KiB
Python
145 lines
3.9 KiB
Python
"""
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Support for the Torque OBD application.
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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.torque/
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"""
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import logging
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import re
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import voluptuous as vol
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from homeassistant.core import callback
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from homeassistant.components.http import HomeAssistantView
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (CONF_EMAIL, CONF_NAME)
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from homeassistant.helpers.entity import Entity
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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API_PATH = '/api/torque'
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DEFAULT_NAME = 'vehicle'
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DEPENDENCIES = ['http']
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DOMAIN = 'torque'
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ENTITY_NAME_FORMAT = '{0} {1}'
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SENSOR_EMAIL_FIELD = 'eml'
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SENSOR_NAME_KEY = r'userFullName(\w+)'
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SENSOR_UNIT_KEY = r'userUnit(\w+)'
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SENSOR_VALUE_KEY = r'k(\w+)'
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NAME_KEY = re.compile(SENSOR_NAME_KEY)
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UNIT_KEY = re.compile(SENSOR_UNIT_KEY)
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VALUE_KEY = re.compile(SENSOR_VALUE_KEY)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_EMAIL): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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})
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def convert_pid(value):
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"""Convert pid from hex string to integer."""
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return int(value, 16)
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the Torque platform."""
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vehicle = config.get(CONF_NAME)
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email = config.get(CONF_EMAIL)
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sensors = {}
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hass.http.register_view(TorqueReceiveDataView(
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email, vehicle, sensors, add_devices))
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return True
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class TorqueReceiveDataView(HomeAssistantView):
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"""Handle data from Torque requests."""
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url = API_PATH
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name = 'api:torque'
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def __init__(self, email, vehicle, sensors, add_devices):
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"""Initialize a Torque view."""
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self.email = email
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self.vehicle = vehicle
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self.sensors = sensors
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self.add_devices = add_devices
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@callback
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def get(self, request):
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"""Handle Torque data request."""
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hass = request.app['hass']
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data = request.query
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if self.email is not None and self.email != data[SENSOR_EMAIL_FIELD]:
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return
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names = {}
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units = {}
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for key in data:
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is_name = NAME_KEY.match(key)
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is_unit = UNIT_KEY.match(key)
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is_value = VALUE_KEY.match(key)
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if is_name:
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pid = convert_pid(is_name.group(1))
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names[pid] = data[key]
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elif is_unit:
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pid = convert_pid(is_unit.group(1))
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units[pid] = data[key]
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elif is_value:
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pid = convert_pid(is_value.group(1))
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if pid in self.sensors:
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self.sensors[pid].async_on_update(data[key])
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for pid in names:
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if pid not in self.sensors:
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self.sensors[pid] = TorqueSensor(
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ENTITY_NAME_FORMAT.format(self.vehicle, names[pid]),
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units.get(pid, None))
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hass.async_add_job(self.add_devices, [self.sensors[pid]])
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return "OK!"
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class TorqueSensor(Entity):
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"""Representation of a Torque sensor."""
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def __init__(self, name, unit):
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"""Initialize the sensor."""
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self._name = name
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self._unit = unit
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self._state = None
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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 unit_of_measurement(self):
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"""Return the unit of measurement."""
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return self._unit
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def icon(self):
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"""Return the default icon of the sensor."""
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return 'mdi:car'
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@callback
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def async_on_update(self, value):
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"""Receive an update."""
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self._state = value
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self.async_schedule_update_ha_state()
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