core/homeassistant/components/binary_sensor/velbus.py

97 lines
2.8 KiB
Python

"""
Support for Velbus Binary Sensors.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.velbus/
"""
import asyncio
import logging
import voluptuous as vol
from homeassistant.const import CONF_NAME, CONF_DEVICES
from homeassistant.components.binary_sensor import BinarySensorDevice
from homeassistant.components.binary_sensor import PLATFORM_SCHEMA
from homeassistant.components.velbus import DOMAIN
import homeassistant.helpers.config_validation as cv
DEPENDENCIES = ['velbus']
_LOGGER = logging.getLogger(__name__)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_DEVICES): vol.All(cv.ensure_list, [
{
vol.Required('module'): cv.positive_int,
vol.Required('channel'): cv.positive_int,
vol.Required(CONF_NAME): cv.string,
vol.Optional('is_pushbutton'): cv.boolean
}
])
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up Velbus binary sensors."""
velbus = hass.data[DOMAIN]
add_devices(VelbusBinarySensor(sensor, velbus)
for sensor in config[CONF_DEVICES])
class VelbusBinarySensor(BinarySensorDevice):
"""Representation of a Velbus Binary Sensor."""
def __init__(self, binary_sensor, velbus):
"""Initialize a Velbus light."""
self._velbus = velbus
self._name = binary_sensor[CONF_NAME]
self._module = binary_sensor['module']
self._channel = binary_sensor['channel']
self._is_pushbutton = 'is_pushbutton' in binary_sensor \
and binary_sensor['is_pushbutton']
self._state = False
@asyncio.coroutine
def async_added_to_hass(self):
"""Add listener for Velbus messages on bus."""
yield from self.hass.async_add_job(
self._velbus.subscribe, self._on_message)
def _on_message(self, message):
import velbus
if isinstance(message, velbus.PushButtonStatusMessage):
if message.address == self._module and \
self._channel in message.get_channels():
if self._is_pushbutton:
if self._channel in message.closed:
self._toggle()
else:
pass
else:
self._toggle()
def _toggle(self):
if self._state is True:
self._state = False
else:
self._state = True
self.schedule_update_ha_state()
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def name(self):
"""Return the display name of this sensor."""
return self._name
@property
def is_on(self):
"""Return true if the sensor is on."""
return self._state