core/homeassistant/components/spc/binary_sensor.py

79 lines
2.1 KiB
Python

"""Support for Vanderbilt (formerly Siemens) SPC alarm systems."""
import logging
from pyspcwebgw.const import ZoneInput, ZoneType
from homeassistant.components.binary_sensor import BinarySensorEntity
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from . import DATA_API, SIGNAL_UPDATE_SENSOR
_LOGGER = logging.getLogger(__name__)
def _get_device_class(zone_type):
return {
ZoneType.ALARM: "motion",
ZoneType.ENTRY_EXIT: "opening",
ZoneType.FIRE: "smoke",
ZoneType.TECHNICAL: "power",
}.get(zone_type)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the SPC binary sensor."""
if discovery_info is None:
return
api = hass.data[DATA_API]
async_add_entities(
[
SpcBinarySensor(zone)
for zone in api.zones.values()
if _get_device_class(zone.type)
]
)
class SpcBinarySensor(BinarySensorEntity):
"""Representation of a sensor based on a SPC zone."""
def __init__(self, zone):
"""Initialize the sensor device."""
self._zone = zone
async def async_added_to_hass(self):
"""Call for adding new entities."""
self.async_on_remove(
async_dispatcher_connect(
self.hass,
SIGNAL_UPDATE_SENSOR.format(self._zone.id),
self._update_callback,
)
)
@callback
def _update_callback(self):
"""Call update method."""
self.async_schedule_update_ha_state(True)
@property
def name(self):
"""Return the name of the device."""
return self._zone.name
@property
def is_on(self):
"""Whether the device is switched on."""
return self._zone.input == ZoneInput.OPEN
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def device_class(self):
"""Return the device class."""
return _get_device_class(self._zone.type)