147 lines
3.9 KiB
Python
147 lines
3.9 KiB
Python
"""Support for the Torque OBD application."""
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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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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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{
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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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)
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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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def setup_platform(hass, config, add_entities, 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(
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TorqueReceiveDataView(email, vehicle, sensors, add_entities)
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)
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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_entities):
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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_entities = add_entities
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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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temp_unit = data[key]
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if "\\xC2\\xB0" in temp_unit:
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temp_unit = temp_unit.replace("\\xC2\\xB0", "°")
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units[pid] = temp_unit
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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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)
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hass.async_add_job(self.add_entities, [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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