core/homeassistant/components/amcrest/binary_sensor.py

71 lines
2.0 KiB
Python

"""Suppoort for Amcrest IP camera binary sensors."""
from datetime import timedelta
import logging
from homeassistant.components.binary_sensor import (
BinarySensorDevice, DEVICE_CLASS_MOTION)
from homeassistant.const import CONF_NAME, CONF_BINARY_SENSORS
from .const import BINARY_SENSOR_SCAN_INTERVAL_SECS, DATA_AMCREST
_LOGGER = logging.getLogger(__name__)
SCAN_INTERVAL = timedelta(seconds=BINARY_SENSOR_SCAN_INTERVAL_SECS)
BINARY_SENSORS = {
'motion_detected': 'Motion Detected'
}
async def async_setup_platform(hass, config, async_add_entities,
discovery_info=None):
"""Set up a binary sensor for an Amcrest IP Camera."""
if discovery_info is None:
return
name = discovery_info[CONF_NAME]
device = hass.data[DATA_AMCREST]['devices'][name]
async_add_entities(
[AmcrestBinarySensor(name, device, sensor_type)
for sensor_type in discovery_info[CONF_BINARY_SENSORS]],
True)
class AmcrestBinarySensor(BinarySensorDevice):
"""Binary sensor for Amcrest camera."""
def __init__(self, name, device, sensor_type):
"""Initialize entity."""
self._name = '{} {}'.format(name, BINARY_SENSORS[sensor_type])
self._api = device.api
self._sensor_type = sensor_type
self._state = None
@property
def name(self):
"""Return entity name."""
return self._name
@property
def is_on(self):
"""Return if entity is on."""
return self._state
@property
def device_class(self):
"""Return device class."""
return DEVICE_CLASS_MOTION
def update(self):
"""Update entity."""
from amcrest import AmcrestError
_LOGGER.debug('Pulling data from %s binary sensor', self._name)
try:
self._state = self._api.is_motion_detected
except AmcrestError as error:
_LOGGER.error(
'Could not update %s binary sensor due to error: %s',
self.name, error)