core/homeassistant/components/light/isy994.py

81 lines
2.4 KiB
Python

"""
Support for ISY994 lights.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.isy994/
"""
import logging
from typing import Callable
from homeassistant.components.light import (
Light, SUPPORT_BRIGHTNESS, ATTR_BRIGHTNESS)
import homeassistant.components.isy994 as isy
from homeassistant.const import STATE_ON, STATE_OFF, STATE_UNKNOWN
from homeassistant.helpers.typing import ConfigType
_LOGGER = logging.getLogger(__name__)
VALUE_TO_STATE = {
False: STATE_OFF,
True: STATE_ON,
}
UOM = ['2', '51', '78']
STATES = [STATE_OFF, STATE_ON, 'true', 'false', '%']
# pylint: disable=unused-argument
def setup_platform(hass, config: ConfigType,
add_devices: Callable[[list], None], discovery_info=None):
"""Set up the ISY994 light platform."""
if isy.ISY is None or not isy.ISY.connected:
_LOGGER.error('A connection has not been made to the ISY controller.')
return False
devices = []
for node in isy.filter_nodes(isy.NODES, units=UOM,
states=STATES):
if node.dimmable or '51' in node.uom:
devices.append(ISYLightDevice(node))
add_devices(devices)
class ISYLightDevice(isy.ISYDevice, Light):
"""Representation of an ISY994 light devie."""
def __init__(self, node: object) -> None:
"""Initialize the ISY994 light device."""
isy.ISYDevice.__init__(self, node)
@property
def is_on(self) -> bool:
"""Get whether the ISY994 light is on."""
return self.state == STATE_ON
@property
def state(self) -> str:
"""Get the state of the ISY994 light."""
return VALUE_TO_STATE.get(bool(self.value), STATE_UNKNOWN)
def turn_off(self, **kwargs) -> None:
"""Send the turn off command to the ISY994 light device."""
if not self._node.off():
_LOGGER.debug('Unable to turn on light.')
def turn_on(self, brightness=None, **kwargs) -> None:
"""Send the turn on command to the ISY994 light device."""
if not self._node.on(val=brightness):
_LOGGER.debug('Unable to turn on light.')
@property
def state_attributes(self):
"""Flag supported attributes."""
return {ATTR_BRIGHTNESS: self.value}
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_BRIGHTNESS