83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
"""Support for MyChevy binary sensors."""
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import logging
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from homeassistant.components.binary_sensor import ENTITY_ID_FORMAT, BinarySensorDevice
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from homeassistant.core import callback
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from homeassistant.util import slugify
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from . import DOMAIN as MYCHEVY_DOMAIN, UPDATE_TOPIC, EVBinarySensorConfig
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_LOGGER = logging.getLogger(__name__)
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SENSORS = [EVBinarySensorConfig("Plugged In", "plugged_in", "plug")]
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the MyChevy sensors."""
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if discovery_info is None:
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return
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sensors = []
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hub = hass.data[MYCHEVY_DOMAIN]
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for sconfig in SENSORS:
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for car in hub.cars:
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sensors.append(EVBinarySensor(hub, sconfig, car.vid))
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async_add_entities(sensors)
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class EVBinarySensor(BinarySensorDevice):
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"""Base EVSensor class.
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The only real difference between sensors is which units and what
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attribute from the car object they are returning. All logic can be
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built with just setting subclass attributes.
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"""
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def __init__(self, connection, config, car_vid):
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"""Initialize sensor with car connection."""
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self._conn = connection
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self._name = config.name
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self._attr = config.attr
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self._type = config.device_class
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self._is_on = None
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self._car_vid = car_vid
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self.entity_id = ENTITY_ID_FORMAT.format(
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"{}_{}_{}".format(
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MYCHEVY_DOMAIN, slugify(self._car.name), slugify(self._name)
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)
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)
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@property
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def name(self):
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"""Return the name."""
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return self._name
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@property
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def is_on(self):
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"""Return if on."""
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return self._is_on
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@property
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def _car(self):
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"""Return the car."""
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return self._conn.get_car(self._car_vid)
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async def async_added_to_hass(self):
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"""Register callbacks."""
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self.hass.helpers.dispatcher.async_dispatcher_connect(
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UPDATE_TOPIC, self.async_update_callback
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)
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@callback
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def async_update_callback(self):
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"""Update state."""
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if self._car is not None:
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self._is_on = getattr(self._car, self._attr, None)
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self.async_schedule_update_ha_state()
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@property
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def should_poll(self):
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"""Return the polling state."""
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return False
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