hass-core/homeassistant/components/binary_sensor/konnected.py

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"""
Support for wired binary sensors attached to a Konnected device.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.konnected/
"""
import asyncio
import logging
from homeassistant.components.binary_sensor import BinarySensorDevice
from homeassistant.components.konnected import (DOMAIN, PIN_TO_ZONE)
from homeassistant.const import (
CONF_DEVICES, CONF_TYPE, CONF_NAME, CONF_BINARY_SENSORS, ATTR_STATE)
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['konnected']
async def async_setup_platform(hass, config, async_add_devices,
discovery_info=None):
"""Set up binary sensors attached to a Konnected device."""
if discovery_info is None:
return
data = hass.data[DOMAIN]
device_id = discovery_info['device_id']
sensors = [KonnectedBinarySensor(device_id, pin_num, pin_data)
for pin_num, pin_data in
data[CONF_DEVICES][device_id][CONF_BINARY_SENSORS].items()]
async_add_devices(sensors)
class KonnectedBinarySensor(BinarySensorDevice):
"""Representation of a Konnected binary sensor."""
def __init__(self, device_id, pin_num, data):
"""Initialize the binary sensor."""
self._data = data
self._device_id = device_id
self._pin_num = pin_num
self._state = self._data.get(ATTR_STATE)
self._device_class = self._data.get(CONF_TYPE)
self._name = self._data.get(CONF_NAME, 'Konnected {} Zone {}'.format(
device_id, PIN_TO_ZONE[pin_num]))
self._data['entity'] = self
_LOGGER.debug('Created new Konnected sensor: %s', self._name)
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def is_on(self):
"""Return the state of the sensor."""
return self._state
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def device_class(self):
"""Return the device class."""
return self._device_class
@asyncio.coroutine
def async_set_state(self, state):
"""Update the sensor's state."""
self._state = state
self._data[ATTR_STATE] = state
self.async_schedule_update_ha_state()