74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
"""
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Sensors for the ConnectedCars sensors.
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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.connectedcars/
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"""
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from datetime import timedelta
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import logging
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from homeassistant.components.sensor import ENTITY_ID_FORMAT
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from custom_components.connectedcars import DOMAIN as CONNECTEDCARS_DOMAIN
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from custom_components.connectedcars import ConnectedCarsDevice
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from homeassistant.const import (LENGTH_KILOMETERS, VOLUME_LITERS)
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['connectedcars']
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SCAN_INTERVAL = timedelta(minutes=5)
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the ConnectedCars sensor platform."""
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controller = hass.data[CONNECTEDCARS_DOMAIN]['devices']['controller']
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devices = []
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for device in hass.data[CONNECTEDCARS_DOMAIN]['devices']['sensor']:
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devices.append(ConnectedCarsSensor(device, controller))
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add_devices(devices, True)
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class ConnectedCarsSensor(ConnectedCarsDevice, Entity):
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"""Representation of ConnectedCars sensors."""
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def __init__(self, connectedcars_device, controller, sensor_type=None):
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"""Initialize of the sensor."""
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self.current_value = None
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self._unit = None
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self.last_changed_time = None
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self.type = sensor_type
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super().__init__(connectedcars_device, controller)
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if self.type:
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self._name = '{} ({})'.format(self.connectedcars_device.name, self.type)
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self.entity_id = ENTITY_ID_FORMAT.format(
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'{}_{}'.format(self.connectedcars_id, self.type))
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else:
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self.entity_id = ENTITY_ID_FORMAT.format(self.connectedcars_id)
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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.current_value
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@property
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def unit_of_measurement(self):
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"""Return the unit_of_measurement of the device."""
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return self._unit
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def update(self):
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"""Update the state from the sensor."""
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_LOGGER.debug("Updating sensor: %s", self._name)
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self.connectedcars_device.update()
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units = self.connectedcars_device.measurement
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self.current_value = self.connectedcars_device.get_value()
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if self.connectedcars_device.bin_type == 0x5:
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self._unit = VOLUME_LITERS
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elif self.connectedcars_device.bin_type in (0xA, 0xB):
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self._unit = LENGTH_KILOMETERS
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else:
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self._unit = units
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