core/homeassistant/components/velbus/switch.py

46 lines
1.3 KiB
Python

"""Support for Velbus switches."""
import logging
from velbus.util import VelbusException
from homeassistant.components.switch import SwitchEntity
from . import VelbusEntity
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up Velbus switch based on config_entry."""
cntrl = hass.data[DOMAIN][entry.entry_id]["cntrl"]
modules_data = hass.data[DOMAIN][entry.entry_id]["switch"]
entities = []
for address, channel in modules_data:
module = cntrl.get_module(address)
entities.append(VelbusSwitch(module, channel))
async_add_entities(entities)
class VelbusSwitch(VelbusEntity, SwitchEntity):
"""Representation of a switch."""
@property
def is_on(self):
"""Return true if the switch is on."""
return self._module.is_on(self._channel)
def turn_on(self, **kwargs):
"""Instruct the switch to turn on."""
try:
self._module.turn_on(self._channel)
except VelbusException as err:
_LOGGER.error("A Velbus error occurred: %s", err)
def turn_off(self, **kwargs):
"""Instruct the switch to turn off."""
try:
self._module.turn_off(self._channel)
except VelbusException as err:
_LOGGER.error("A Velbus error occurred: %s", err)