core/homeassistant/components/sensor/volvooncall.py

64 lines
1.8 KiB
Python

"""
Support for VOC.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.volvooncall/
"""
import logging
from math import floor
from homeassistant.components.volvooncall import (
VolvoEntity, RESOURCES, CONF_SCANDINAVIAN_MILES)
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Volvo sensors."""
if discovery_info is None:
return
add_entities([VolvoSensor(hass, *discovery_info)])
class VolvoSensor(VolvoEntity):
"""Representation of a Volvo sensor."""
@property
def state(self):
"""Return the state of the sensor."""
val = getattr(self.vehicle, self._attribute)
if val is None:
return val
if self._attribute == 'odometer':
val /= 1000 # m -> km
if 'mil' in self.unit_of_measurement:
val /= 10 # km -> mil
if self._attribute == 'average_fuel_consumption':
val /= 10 # L/1000km -> L/100km
if 'mil' in self.unit_of_measurement:
return round(val, 2)
return round(val, 1)
if self._attribute == 'distance_to_empty':
return int(floor(val))
return int(round(val))
@property
def unit_of_measurement(self):
"""Return the unit of measurement."""
unit = RESOURCES[self._attribute][3]
if self._state.config[CONF_SCANDINAVIAN_MILES] and 'km' in unit:
if self._attribute == 'average_fuel_consumption':
return 'L/mil'
return unit.replace('km', 'mil')
return unit
@property
def icon(self):
"""Return the icon."""
return RESOURCES[self._attribute][2]