core/homeassistant/components/envisalink/sensor.py

72 lines
2.3 KiB
Python

"""Support for Envisalink sensors (shows panel info)."""
import logging
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity import Entity
from . import (
CONF_PARTITIONNAME, DATA_EVL, PARTITION_SCHEMA, SIGNAL_KEYPAD_UPDATE,
SIGNAL_PARTITION_UPDATE, EnvisalinkDevice)
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Perform the setup for Envisalink sensor devices."""
configured_partitions = discovery_info['partitions']
devices = []
for part_num in configured_partitions:
device_config_data = PARTITION_SCHEMA(configured_partitions[part_num])
device = EnvisalinkSensor(
hass, device_config_data[CONF_PARTITIONNAME], part_num,
hass.data[DATA_EVL].alarm_state['partition'][part_num],
hass.data[DATA_EVL])
devices.append(device)
async_add_entities(devices)
class EnvisalinkSensor(EnvisalinkDevice, Entity):
"""Representation of an Envisalink keypad."""
def __init__(self, hass, partition_name, partition_number, info,
controller):
"""Initialize the sensor."""
self._icon = 'mdi:alarm'
self._partition_number = partition_number
_LOGGER.debug("Setting up sensor for partition: %s", partition_name)
super().__init__(partition_name + ' Keypad', info, controller)
async def async_added_to_hass(self):
"""Register callbacks."""
async_dispatcher_connect(
self.hass, SIGNAL_KEYPAD_UPDATE, self._update_callback)
async_dispatcher_connect(
self.hass, SIGNAL_PARTITION_UPDATE, self._update_callback)
@property
def icon(self):
"""Return the icon if any."""
return self._icon
@property
def state(self):
"""Return the overall state."""
return self._info['status']['alpha']
@property
def device_state_attributes(self):
"""Return the state attributes."""
return self._info['status']
@callback
def _update_callback(self, partition):
"""Update the partition state in HA, if needed."""
if partition is None or int(partition) == self._partition_number:
self.async_schedule_update_ha_state()