core/homeassistant/components/googlehome/device_tracker.py

81 lines
2.8 KiB
Python

"""Support for Google Home Bluetooth tacker."""
from datetime import timedelta
import logging
from homeassistant.components.device_tracker import DeviceScanner
from homeassistant.helpers.event import async_track_time_interval
from homeassistant.util import slugify
from . import CLIENT, DOMAIN as GOOGLEHOME_DOMAIN, NAME
_LOGGER = logging.getLogger(__name__)
DEFAULT_SCAN_INTERVAL = timedelta(seconds=10)
async def async_setup_scanner(hass, config, async_see, discovery_info=None):
"""Validate the configuration and return a Google Home scanner."""
if discovery_info is None:
_LOGGER.warning("To use this you need to configure the 'googlehome' component")
return False
scanner = GoogleHomeDeviceScanner(
hass, hass.data[CLIENT], discovery_info, async_see
)
return await scanner.async_init()
class GoogleHomeDeviceScanner(DeviceScanner):
"""This class queries a Google Home unit."""
def __init__(self, hass, client, config, async_see):
"""Initialize the scanner."""
self.async_see = async_see
self.hass = hass
self.rssi = config["rssi_threshold"]
self.device_types = config["device_types"]
self.host = config["host"]
self.client = client
async def async_init(self):
"""Further initialize connection to Google Home."""
await self.client.update_info(self.host)
data = self.hass.data[GOOGLEHOME_DOMAIN][self.host]
info = data.get("info", {})
connected = bool(info)
if connected:
await self.async_update()
async_track_time_interval(
self.hass, self.async_update, DEFAULT_SCAN_INTERVAL
)
return connected
async def async_update(self, now=None):
"""Ensure the information from Google Home is up to date."""
_LOGGER.debug("Checking Devices on %s", self.host)
await self.client.update_bluetooth(self.host)
data = self.hass.data[GOOGLEHOME_DOMAIN][self.host]
info = data.get("info")
bluetooth = data.get("bluetooth")
if info is None or bluetooth is None:
return
google_home_name = info.get("name", NAME)
for device in bluetooth:
if (
device["device_type"] not in self.device_types
or device["rssi"] < self.rssi
):
continue
name = "{} {}".format(self.host, device["mac_address"])
attributes = {}
attributes["btle_mac_address"] = device["mac_address"]
attributes["ghname"] = google_home_name
attributes["rssi"] = device["rssi"]
attributes["source_type"] = "bluetooth"
if device["name"]:
attributes["name"] = device["name"]
await self.async_see(dev_id=slugify(name), attributes=attributes)