core/homeassistant/components/velux/__init__.py

125 lines
3.6 KiB
Python

"""Support for VELUX KLF 200 devices."""
import logging
from pyvlx import PyVLX, PyVLXException
import voluptuous as vol
from homeassistant.const import (
CONF_HOST,
CONF_PASSWORD,
EVENT_HOMEASSISTANT_STOP,
Platform,
)
from homeassistant.core import HomeAssistant, ServiceCall, callback
from homeassistant.helpers import discovery
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.typing import ConfigType
DOMAIN = "velux"
DATA_VELUX = "data_velux"
PLATFORMS = [Platform.COVER, Platform.LIGHT, Platform.SCENE]
_LOGGER = logging.getLogger(__name__)
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.Schema(
{vol.Required(CONF_HOST): cv.string, vol.Required(CONF_PASSWORD): cv.string}
)
},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the velux component."""
try:
hass.data[DATA_VELUX] = VeluxModule(hass, config[DOMAIN])
hass.data[DATA_VELUX].setup()
await hass.data[DATA_VELUX].async_start()
except PyVLXException as ex:
_LOGGER.exception("Can't connect to velux interface: %s", ex)
return False
for platform in PLATFORMS:
hass.async_create_task(
discovery.async_load_platform(hass, platform, DOMAIN, {}, config)
)
return True
class VeluxModule:
"""Abstraction for velux component."""
def __init__(self, hass, domain_config):
"""Initialize for velux component."""
self.pyvlx = None
self._hass = hass
self._domain_config = domain_config
def setup(self):
"""Velux component setup."""
async def on_hass_stop(event):
"""Close connection when hass stops."""
_LOGGER.debug("Velux interface terminated")
await self.pyvlx.disconnect()
async def async_reboot_gateway(service_call: ServiceCall) -> None:
await self.pyvlx.reboot_gateway()
self._hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, on_hass_stop)
host = self._domain_config.get(CONF_HOST)
password = self._domain_config.get(CONF_PASSWORD)
self.pyvlx = PyVLX(host=host, password=password)
self._hass.services.async_register(
DOMAIN, "reboot_gateway", async_reboot_gateway
)
async def async_start(self):
"""Start velux component."""
_LOGGER.debug("Velux interface started")
await self.pyvlx.load_scenes()
await self.pyvlx.load_nodes()
class VeluxEntity(Entity):
"""Abstraction for al Velux entities."""
def __init__(self, node):
"""Initialize the Velux device."""
self.node = node
@callback
def async_register_callbacks(self):
"""Register callbacks to update hass after device was changed."""
async def after_update_callback(device):
"""Call after device was updated."""
self.async_write_ha_state()
self.node.register_device_updated_cb(after_update_callback)
async def async_added_to_hass(self):
"""Store register state change callback."""
self.async_register_callbacks()
@property
def unique_id(self) -> str:
"""Return the unique id base on the serial_id returned by Velux."""
return self.node.serial_number
@property
def name(self):
"""Return the name of the Velux device."""
if not self.node.name:
return "#" + str(self.node.node_id)
return self.node.name
@property
def should_poll(self):
"""No polling needed within Velux."""
return False