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binary_sensor.py
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binary_sensor.py
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"""Support for MyEnergi sensors."""
import logging
from homeassistant.const import CONF_USERNAME
from homeassistant.components.binary_sensor import BinarySensorEntity, DEVICE_CLASS_PRESENCE
from .platform import DOMAIN
from .myenergi import ZappiStatus
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(hass, config, async_add_entities, device_config=None):
"""Set up the MyEnergi platform."""
if device_config is None:
return
manager = hass.data[DOMAIN][device_config[CONF_USERNAME]]
manager.setup_binary_sensors_platform(async_add_entities)
await manager.start()
class ZappiPresenceSensor(BinarySensorEntity):
"""The entity class for the Zappi charging station presence sensor."""
def __init__(self, zappi):
"""Initialize the Zappi Sensor."""
self._device = zappi
self._name = 'Zappi z{} car connected'.format(self._device.serial)
self._icon = 'mdi:car'
self._state = None
self._device_class = DEVICE_CLASS_PRESENCE
self._attributes = {}
self.update()
@property
def unique_id(self):
return str(self._device)
@property
def is_on(self):
"""Return True if entity is on."""
return self._device.status not in (ZappiStatus.FAULT, ZappiStatus.NOT_CONNECTED)
@property
def should_poll(self):
"""Deactivate polling. Data updated by hub."""
return False
@property
def unique_id(self):
"""Return the unique ID of the binary sensor."""
return self._name
@property
def name(self):
"""Return the name of the device."""
return self._name
@property
def device_class(self):
"""Return the class of this sensor."""
return self._device_class
@property
def device_info(self):
return {
'identifiers': {
(DOMAIN, self.unique_id)
},
'name': self._device.name,
'manufacturer': 'MyEnergi',
'model': self._device.device_type.value.title(),
'via_device': (DOMAIN, str(self._device.hub)),
}
@property
def icon(self):
"""Icon to use in the frontend, if any."""
return self._icon
@property
def unit_of_measurement(self):
"""Get the unit of measurement."""
return None
@property
def device_info(self):
return {
'identifiers': (DOMAIN, self.unique_id)
}
@property
def extra_state_attributes(self):
"""Return the state attributes of the sensor."""
return self._attributes
def update(self):
"""Get latest cached states from the device."""
self._attributes = {}