Python scan and autoconnect to devices

autoconnect.py

import dbus
import bluetooth
import sys
import subprocess

# Hardcoded devices, order is the priority
devices = ["C8:85:50:88:30:ED", "FC:64:BA:0E:C0:10"]

has_connected = False

bus = dbus.SystemBus()
manager = dbus.Interface(bus.get_object("org.bluez", "/"), "org.freedesktop.DBus.ObjectManager")
objects = manager.GetManagedObjects()

for path in objects.keys():
#      	print("[ %s ]" % (path))

       	interfaces = objects[path]

       	for interface in interfaces.keys():
       		if interface != "org.bluez.Device1":
       			continue

       		properties = interfaces[interface]

       		for key in properties.keys():
       			#print("      %s = %s" % (key, properties[key]))

       			if key == "Connected" and properties[key] == 1:
       				print("DEVICE IS CONNECTED: %s" % properties["Address"])
       				has_connected = True

if has_connected == True:
       	print("Device already connected")
       	sys.exit()

try:
       	nearby = bluetooth.discover_devices(duration=5, lookup_names=False)

       	found_devices = []

       	if len(nearby) > 0:
       		for addr in nearby:
       			found_devices.append(addr)

       	if len(found_devices) > 0:
       		for dev in devices:
       			if dev in found_devices:
       				print("Found device: %s\n" % dev)
       				device_connect = bus.get_object('org.bluez', '/org/bluez/hci0/dev_%s' % dev.replace(':', '_'))
       				interface = dbus.Interface(device_connect, 'org.bluez.Device1')
       				interface.Connect()
       				break;
except:
       	print("Got an exception, restarting bluetooth subsystem")
       	systemd1 = bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1')
       	manager = dbus.Interface(systemd1, 'org.freedesktop.systemd1.Manager')
       	job = manager.RestartUnit('bluetooth.service', 'fail')
       	subprocess.call(['hciconfig', 'hci0', 'down'])
       	subprocess.call(['hciconfig', 'hci0', 'up'])