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__init__.py
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__init__.py
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"""Support for Apple HomeKit.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/homekit/
"""
import logging
from zlib import adler32
import voluptuous as vol
from homeassistant.components.cover import SUPPORT_SET_POSITION
from homeassistant.const import (
ATTR_SUPPORTED_FEATURES, ATTR_UNIT_OF_MEASUREMENT,
ATTR_DEVICE_CLASS, CONF_PORT, TEMP_CELSIUS, TEMP_FAHRENHEIT,
EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entityfilter import FILTER_SCHEMA
from homeassistant.util import get_local_ip
from homeassistant.util.decorator import Registry
from .const import (
DOMAIN, HOMEKIT_FILE, CONF_AUTO_START, CONF_ENTITY_CONFIG, CONF_FILTER,
DEFAULT_PORT, DEFAULT_AUTO_START, SERVICE_HOMEKIT_START,
DEVICE_CLASS_CO2, DEVICE_CLASS_LIGHT, DEVICE_CLASS_HUMIDITY,
DEVICE_CLASS_PM25, DEVICE_CLASS_TEMPERATURE)
from .util import (
validate_entity_config, show_setup_message)
TYPES = Registry()
_LOGGER = logging.getLogger(__name__)
REQUIREMENTS = ['HAP-python==1.1.9']
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.All({
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_AUTO_START, default=DEFAULT_AUTO_START): cv.boolean,
vol.Optional(CONF_FILTER, default={}): FILTER_SCHEMA,
vol.Optional(CONF_ENTITY_CONFIG, default={}): validate_entity_config,
})
}, extra=vol.ALLOW_EXTRA)
async def async_setup(hass, config):
"""Setup the HomeKit component."""
_LOGGER.debug('Begin setup HomeKit')
conf = config[DOMAIN]
port = conf[CONF_PORT]
auto_start = conf[CONF_AUTO_START]
entity_filter = conf[CONF_FILTER]
entity_config = conf[CONF_ENTITY_CONFIG]
homekit = HomeKit(hass, port, entity_filter, entity_config)
homekit.setup()
if auto_start:
hass.bus.async_listen_once(EVENT_HOMEASSISTANT_START, homekit.start)
return True
def handle_homekit_service_start(service):
"""Handle start HomeKit service call."""
if homekit.started:
_LOGGER.warning('HomeKit is already running')
return
homekit.start()
hass.services.async_register(DOMAIN, SERVICE_HOMEKIT_START,
handle_homekit_service_start)
return True
def get_accessory(hass, state, aid, config):
"""Take state and return an accessory object if supported."""
if not aid:
_LOGGER.warning('The entitiy "%s" is not supported, since it '
'generates an invalid aid, please change it.',
state.entity_id)
return None
a_type = None
config = config or {}
if state.domain == 'alarm_control_panel':
a_type = 'SecuritySystem'
elif state.domain == 'binary_sensor' or state.domain == 'device_tracker':
a_type = 'BinarySensor'
elif state.domain == 'climate':
a_type = 'Thermostat'
elif state.domain == 'cover':
# Only add covers that support set_cover_position
features = state.attributes.get(ATTR_SUPPORTED_FEATURES, 0)
if features & SUPPORT_SET_POSITION:
a_type = 'WindowCovering'
elif state.domain == 'light':
a_type = 'Light'
elif state.domain == 'lock':
a_type = 'Lock'
elif state.domain == 'sensor':
unit = state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
device_class = state.attributes.get(ATTR_DEVICE_CLASS)
if device_class == DEVICE_CLASS_TEMPERATURE or unit == TEMP_CELSIUS \
or unit == TEMP_FAHRENHEIT:
a_type = 'TemperatureSensor'
elif device_class == DEVICE_CLASS_HUMIDITY or unit == '%':
a_type = 'HumiditySensor'
elif device_class == DEVICE_CLASS_PM25 \
or DEVICE_CLASS_PM25 in state.entity_id:
a_type = 'AirQualitySensor'
elif device_class == DEVICE_CLASS_CO2 \
or DEVICE_CLASS_CO2 in state.entity_id:
a_type = 'CarbonDioxideSensor'
elif device_class == DEVICE_CLASS_LIGHT or unit == 'lm' or \
unit == 'lux':
a_type = 'LightSensor'
elif state.domain == 'switch' or state.domain == 'remote' \
or state.domain == 'input_boolean' or state.domain == 'script':
a_type = 'Switch'
if a_type is None:
return None
_LOGGER.debug('Add "%s" as "%s"', state.entity_id, a_type)
return TYPES[a_type](hass, state.name, state.entity_id, aid, config=config)
def generate_aid(entity_id):
"""Generate accessory aid with zlib adler32."""
aid = adler32(entity_id.encode('utf-8'))
if aid == 0 or aid == 1:
return None
return aid
class HomeKit():
"""Class to handle all actions between HomeKit and Home Assistant."""
def __init__(self, hass, port, entity_filter, entity_config):
"""Initialize a HomeKit object."""
self.hass = hass
self._port = port
self._filter = entity_filter
self._config = entity_config
self.started = False
self.bridge = None
self.driver = None
def setup(self):
"""Setup bridge and accessory driver."""
from .accessories import HomeBridge, HomeDriver
self.hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_STOP, self.stop)
path = self.hass.config.path(HOMEKIT_FILE)
self.bridge = HomeBridge(self.hass)
self.driver = HomeDriver(self.bridge, self._port, get_local_ip(), path)
def add_bridge_accessory(self, state):
"""Try adding accessory to bridge if configured beforehand."""
if not state or not self._filter(state.entity_id):
return
aid = generate_aid(state.entity_id)
conf = self._config.pop(state.entity_id, {})
acc = get_accessory(self.hass, state, aid, conf)
if acc is not None:
self.bridge.add_accessory(acc)
def start(self, *args):
"""Start the accessory driver."""
if self.started:
return
self.started = True
# pylint: disable=unused-variable
from . import ( # noqa F401
type_covers, type_lights, type_locks, type_security_systems,
type_sensors, type_switches, type_thermostats)
for state in self.hass.states.all():
self.add_bridge_accessory(state)
self.bridge.set_broker(self.driver)
if not self.bridge.paired:
show_setup_message(self.hass, self.bridge)
_LOGGER.debug('Driver start')
self.driver.start()
def stop(self, *args):
"""Stop the accessory driver."""
if not self.started:
return
_LOGGER.debug('Driver stop')
if self.driver and self.driver.run_sentinel:
self.driver.stop()