core/homeassistant/components/knx/notify.py

85 lines
2.8 KiB
Python

"""Support for KNX/IP notification services."""
import voluptuous as vol
from homeassistant.components.knx import ATTR_DISCOVER_DEVICES, DATA_KNX
from homeassistant.components.notify import (
PLATFORM_SCHEMA, BaseNotificationService)
from homeassistant.const import CONF_ADDRESS, CONF_NAME
from homeassistant.core import callback
import homeassistant.helpers.config_validation as cv
DEFAULT_NAME = 'KNX Notify'
DEPENDENCIES = ['knx']
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_ADDRESS): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string
})
async def async_get_service(hass, config, discovery_info=None):
"""Get the KNX notification service."""
return async_get_service_discovery(hass, discovery_info) \
if discovery_info is not None else \
async_get_service_config(hass, config)
@callback
def async_get_service_discovery(hass, discovery_info):
"""Set up notifications for KNX platform configured via xknx.yaml."""
notification_devices = []
for device_name in discovery_info[ATTR_DISCOVER_DEVICES]:
device = hass.data[DATA_KNX].xknx.devices[device_name]
notification_devices.append(device)
return \
KNXNotificationService(notification_devices) \
if notification_devices else \
None
@callback
def async_get_service_config(hass, config):
"""Set up notification for KNX platform configured within platform."""
import xknx
notification = xknx.devices.Notification(
hass.data[DATA_KNX].xknx,
name=config.get(CONF_NAME),
group_address=config.get(CONF_ADDRESS))
hass.data[DATA_KNX].xknx.devices.add(notification)
return KNXNotificationService([notification, ])
class KNXNotificationService(BaseNotificationService):
"""Implement demo notification service."""
def __init__(self, devices):
"""Initialize the service."""
self.devices = devices
@property
def targets(self):
"""Return a dictionary of registered targets."""
ret = {}
for device in self.devices:
ret[device.name] = device.name
return ret
async def async_send_message(self, message="", **kwargs):
"""Send a notification to knx bus."""
if "target" in kwargs:
await self._async_send_to_device(message, kwargs["target"])
else:
await self._async_send_to_all_devices(message)
async def _async_send_to_all_devices(self, message):
"""Send a notification to knx bus to all connected devices."""
for device in self.devices:
await device.set(message)
async def _async_send_to_device(self, message, names):
"""Send a notification to knx bus to device with given names."""
for device in self.devices:
if device.name in names:
await device.set(message)