core/homeassistant/components/sensor/envisalink.py

69 lines
2.5 KiB
Python

"""
Support for Envisalink sensors (shows panel info).
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.envisalink/
"""
import logging
from homeassistant.components.envisalink import (EVL_CONTROLLER,
PARTITION_SCHEMA,
CONF_PARTITIONNAME,
EnvisalinkDevice,
SIGNAL_KEYPAD_UPDATE)
DEPENDENCIES = ['envisalink']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
"""Perform the setup for Envisalink sensor devices."""
_configured_partitions = discovery_info['partitions']
for part_num in _configured_partitions:
_device_config_data = PARTITION_SCHEMA(
_configured_partitions[part_num])
_device = EnvisalinkSensor(
_device_config_data[CONF_PARTITIONNAME],
part_num,
EVL_CONTROLLER.alarm_state['partition'][part_num],
EVL_CONTROLLER)
add_devices_callback([_device])
class EnvisalinkSensor(EnvisalinkDevice):
"""Representation of an Envisalink keypad."""
def __init__(self, partition_name, partition_number, info, controller):
"""Initialize the sensor."""
from pydispatch import dispatcher
self._icon = 'mdi:alarm'
self._partition_number = partition_number
_LOGGER.debug('Setting up sensor for partition: ' + partition_name)
EnvisalinkDevice.__init__(self,
partition_name + ' Keypad',
info,
controller)
dispatcher.connect(self._update_callback,
signal=SIGNAL_KEYPAD_UPDATE,
sender=dispatcher.Any)
@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']
def _update_callback(self, partition):
"""Update the partition state in HA, if needed."""
if partition is None or int(partition) == self._partition_number:
self.update_ha_state()