core/homeassistant/components/bt_smarthub/device_tracker.py

96 lines
2.8 KiB
Python

"""Support for BT Smart Hub (Sometimes referred to as BT Home Hub 6)."""
import logging
import btsmarthub_devicelist
import voluptuous as vol
from homeassistant.components.device_tracker import (
DOMAIN,
PLATFORM_SCHEMA,
DeviceScanner,
)
from homeassistant.const import CONF_HOST
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
CONF_DEFAULT_IP = "192.168.1.254"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_HOST, default=CONF_DEFAULT_IP): cv.string}
)
def get_scanner(hass, config):
"""Return a BT Smart Hub scanner if successful."""
scanner = BTSmartHubScanner(config[DOMAIN])
return scanner if scanner.success_init else None
class BTSmartHubScanner(DeviceScanner):
"""This class queries a BT Smart Hub."""
def __init__(self, config):
"""Initialise the scanner."""
_LOGGER.debug("Initialising BT Smart Hub")
self.host = config[CONF_HOST]
self.last_results = {}
self.success_init = False
# Test the router is accessible
data = self.get_bt_smarthub_data()
if data:
self.success_init = True
else:
_LOGGER.info("Failed to connect to %s", self.host)
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return [client["mac"] for client in self.last_results]
def get_device_name(self, device):
"""Return the name of the given device or None if we don't know."""
if not self.last_results:
return None
for client in self.last_results:
if client["mac"] == device:
return client["host"]
return None
def _update_info(self):
"""Ensure the information from the BT Smart Hub is up to date."""
if not self.success_init:
return
_LOGGER.info("Scanning")
data = self.get_bt_smarthub_data()
if not data:
_LOGGER.warning("Error scanning devices")
return
clients = list(data.values())
self.last_results = clients
def get_bt_smarthub_data(self):
"""Retrieve data from BT Smart Hub and return parsed result."""
# Request data from bt smarthub into a list of dicts.
data = btsmarthub_devicelist.get_devicelist(
router_ip=self.host, only_active_devices=True
)
# Renaming keys from parsed result.
devices = {}
for device in data:
try:
devices[device["UserHostName"]] = {
"ip": device["IPAddress"],
"mac": device["PhysAddress"],
"host": device["UserHostName"],
"status": device["Active"],
}
except KeyError:
pass
return devices