25970027c6
After 2 months of being offline, the my.chevy website seems to be working again. Some data structures changed in the mean time. The new library will handle multiple cars. This involves a breaking change in slug urls for devices where these now include the car make, model, and year in them. Discovery has to be delayed until after the initial site login to get the car metadata.
93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
"""Support for MyChevy 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/binary_sensor.mychevy/
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"""
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import asyncio
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import logging
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from homeassistant.components.mychevy import (
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EVBinarySensorConfig, DOMAIN as MYCHEVY_DOMAIN, UPDATE_TOPIC
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)
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from homeassistant.components.binary_sensor import (
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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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_LOGGER = logging.getLogger(__name__)
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SENSORS = [
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EVBinarySensorConfig("Plugged In", "plugged_in", "plug")
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]
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_devices, 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_devices(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(MYCHEVY_DOMAIN,
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slugify(self._car.name),
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slugify(self._name)))
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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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@asyncio.coroutine
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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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@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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