/
__init__.py
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/
__init__.py
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"""
Starts a service to scan in intervals for new devices.
Will emit EVENT_PLATFORM_DISCOVERED whenever a new service has been discovered.
Knows which components handle certain types, will make sure they are
loaded before the EVENT_PLATFORM_DISCOVERED is fired.
"""
import json
from datetime import timedelta
import logging
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.core import callback
from homeassistant.const import EVENT_HOMEASSISTANT_START
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.event import async_track_point_in_utc_time
from homeassistant.helpers.discovery import async_load_platform, async_discover
import homeassistant.util.dt as dt_util
REQUIREMENTS = ['netdisco==2.5.0']
DOMAIN = 'discovery'
SCAN_INTERVAL = timedelta(seconds=300)
SERVICE_APPLE_TV = 'apple_tv'
SERVICE_AXIS = 'axis'
SERVICE_DAIKIN = 'daikin'
SERVICE_DECONZ = 'deconz'
SERVICE_DLNA_DMR = 'dlna_dmr'
SERVICE_ENIGMA2 = 'enigma2'
SERVICE_FREEBOX = 'freebox'
SERVICE_HASS_IOS_APP = 'hass_ios'
SERVICE_HASSIO = 'hassio'
SERVICE_HOMEKIT = 'homekit'
SERVICE_HUE = 'philips_hue'
SERVICE_IGD = 'igd'
SERVICE_IKEA_TRADFRI = 'ikea_tradfri'
SERVICE_KONNECTED = 'konnected'
SERVICE_MOBILE_APP = 'hass_mobile_app'
SERVICE_NETGEAR = 'netgear_router'
SERVICE_OCTOPRINT = 'octoprint'
SERVICE_ROKU = 'roku'
SERVICE_SABNZBD = 'sabnzbd'
SERVICE_SAMSUNG_PRINTER = 'samsung_printer'
SERVICE_TELLDUSLIVE = 'tellstick'
SERVICE_YEELIGHT = 'yeelight'
SERVICE_WEMO = 'belkin_wemo'
SERVICE_WINK = 'wink'
SERVICE_XIAOMI_GW = 'xiaomi_gw'
CONFIG_ENTRY_HANDLERS = {
SERVICE_DAIKIN: 'daikin',
SERVICE_DECONZ: 'deconz',
'esphome': 'esphome',
'google_cast': 'cast',
SERVICE_HUE: 'hue',
SERVICE_TELLDUSLIVE: 'tellduslive',
SERVICE_IKEA_TRADFRI: 'tradfri',
'sonos': 'sonos',
SERVICE_IGD: 'upnp',
}
SERVICE_HANDLERS = {
SERVICE_MOBILE_APP: ('mobile_app', None),
SERVICE_HASS_IOS_APP: ('ios', None),
SERVICE_NETGEAR: ('device_tracker', None),
SERVICE_WEMO: ('wemo', None),
SERVICE_HASSIO: ('hassio', None),
SERVICE_AXIS: ('axis', None),
SERVICE_APPLE_TV: ('apple_tv', None),
SERVICE_ENIGMA2: ('media_player', 'enigma2'),
SERVICE_ROKU: ('roku', None),
SERVICE_WINK: ('wink', None),
SERVICE_XIAOMI_GW: ('xiaomi_aqara', None),
SERVICE_SABNZBD: ('sabnzbd', None),
SERVICE_SAMSUNG_PRINTER: ('sensor', 'syncthru'),
SERVICE_KONNECTED: ('konnected', None),
SERVICE_OCTOPRINT: ('octoprint', None),
SERVICE_FREEBOX: ('freebox', None),
SERVICE_YEELIGHT: ('yeelight', None),
'panasonic_viera': ('media_player', 'panasonic_viera'),
'plex_mediaserver': ('media_player', 'plex'),
'yamaha': ('media_player', 'yamaha'),
'logitech_mediaserver': ('media_player', 'squeezebox'),
'directv': ('media_player', 'directv'),
'denonavr': ('media_player', 'denonavr'),
'samsung_tv': ('media_player', 'samsungtv'),
'frontier_silicon': ('media_player', 'frontier_silicon'),
'openhome': ('media_player', 'openhome'),
'harmony': ('remote', 'harmony'),
'bose_soundtouch': ('media_player', 'soundtouch'),
'bluesound': ('media_player', 'bluesound'),
'songpal': ('media_player', 'songpal'),
'kodi': ('media_player', 'kodi'),
'volumio': ('media_player', 'volumio'),
'lg_smart_device': ('media_player', 'lg_soundbar'),
'nanoleaf_aurora': ('light', 'nanoleaf'),
}
OPTIONAL_SERVICE_HANDLERS = {
SERVICE_HOMEKIT: ('homekit_controller', None),
SERVICE_DLNA_DMR: ('media_player', 'dlna_dmr'),
}
CONF_IGNORE = 'ignore'
CONF_ENABLE = 'enable'
CONFIG_SCHEMA = vol.Schema({
vol.Optional(DOMAIN): vol.Schema({
vol.Optional(CONF_IGNORE, default=[]):
vol.All(cv.ensure_list, [
vol.In(list(CONFIG_ENTRY_HANDLERS) + list(SERVICE_HANDLERS))]),
vol.Optional(CONF_ENABLE, default=[]):
vol.All(cv.ensure_list, [vol.In(OPTIONAL_SERVICE_HANDLERS)])
}),
}, extra=vol.ALLOW_EXTRA)
async def async_setup(hass, config):
"""Start a discovery service."""
from netdisco.discovery import NetworkDiscovery
logger = logging.getLogger(__name__)
netdisco = NetworkDiscovery()
already_discovered = set()
# Disable zeroconf logging, it spams
logging.getLogger('zeroconf').setLevel(logging.CRITICAL)
if DOMAIN in config:
# Platforms ignore by config
ignored_platforms = config[DOMAIN][CONF_IGNORE]
# Optional platforms enabled by config
enabled_platforms = config[DOMAIN][CONF_ENABLE]
else:
ignored_platforms = []
enabled_platforms = []
async def new_service_found(service, info):
"""Handle a new service if one is found."""
if service in ignored_platforms:
logger.info("Ignoring service: %s %s", service, info)
return
discovery_hash = json.dumps([service, info], sort_keys=True)
if discovery_hash in already_discovered:
logger.debug("Already discovered service %s %s.", service, info)
return
already_discovered.add(discovery_hash)
if service in CONFIG_ENTRY_HANDLERS:
await hass.config_entries.flow.async_init(
CONFIG_ENTRY_HANDLERS[service],
context={'source': config_entries.SOURCE_DISCOVERY},
data=info
)
return
comp_plat = SERVICE_HANDLERS.get(service)
if not comp_plat and service in enabled_platforms:
comp_plat = OPTIONAL_SERVICE_HANDLERS[service]
# We do not know how to handle this service.
if not comp_plat:
logger.info("Unknown service discovered: %s %s", service, info)
return
logger.info("Found new service: %s %s", service, info)
component, platform = comp_plat
if platform is None:
await async_discover(hass, service, info, component, config)
else:
await async_load_platform(
hass, component, platform, info, config)
async def scan_devices(now):
"""Scan for devices."""
try:
results = await hass.async_add_job(_discover, netdisco)
for result in results:
hass.async_create_task(new_service_found(*result))
except OSError:
logger.error("Network is unreachable")
async_track_point_in_utc_time(
hass, scan_devices, dt_util.utcnow() + SCAN_INTERVAL)
@callback
def schedule_first(event):
"""Schedule the first discovery when Home Assistant starts up."""
async_track_point_in_utc_time(hass, scan_devices, dt_util.utcnow())
hass.bus.async_listen_once(EVENT_HOMEASSISTANT_START, schedule_first)
return True
def _discover(netdisco):
"""Discover devices."""
results = []
try:
netdisco.scan()
for disc in netdisco.discover():
for service in netdisco.get_info(disc):
results.append((disc, service))
finally:
netdisco.stop()
return results