bt pair automatically

#
# dela
#
import sys
import dbus
import time

discovery_time = 2000

################################################################

bus = dbus.SystemBus()

# build a proxy for the adapter
adapter_proxy = bus.get_object("org.bluez", "/org/bluez/hci0")

try:
  adapter_proxy.StopDiscovery(dbus_interface="org.bluez.Adapter1")
except:
  pass

# call the method startdiscovery from the adapter api then stopdiscovery
adapter_proxy.StartDiscovery(dbus_interface="org.bluez.Adapter1")

for i in range(0, discovery_time):
  time.sleep(1)
  print('-------------------------------------------------------')

  manager = dbus.Interface(bus.get_object("org.bluez", "/"), "org.freedesktop.DBus.ObjectManager")
  managed_objects = manager.GetManagedObjects()
  for device_path in managed_objects.keys():
    #print("device_path [ %s ]" % (device_path))

    #print("[ %s ]" % (path))
    # print all keys
    if 0:
      for interface in managed_objects[device_path].keys():
        properties = interfaces[interface]
        for key in properties.keys():
          print("    %s = %s" % (key, properties[key]))

    #print(managed_objects[device_path].get('org.bluez.Device1', {}))

    uuids = managed_objects[device_path].get('org.bluez.Device1', {}).get('UUIDs', [])
    for uuid in uuids:
      # HID (Human Interface Device),  For classic BR/EDR keyboards and mice,  0x1124
      # HID Over GATT,  For LE keyboards and mice,  0x1812
      if uuid.startswith('00001124') or uuid.startswith('00001812'):
        print('')
        device_name = managed_objects[device_path].get('org.bluez.Device1', {}).get('Name')
        device_address = managed_objects[device_path].get('org.bluez.Device1', {}).get('Address')
        device_paired = managed_objects[device_path].get('org.bluez.Device1', {}).get('Paired')
        device_trusted = managed_objects[device_path].get('org.bluez.Device1', {}).get('Trusted')
        device_connected = managed_objects[device_path].get('org.bluez.Device1', {}).get('Connected')

        if 0:
          print('remote control:\n  Name: {}\n  Address: {}\n  Paired: {}\n  Trusted: {}\n  Connected: {}'.
              format(device_name, device_address, device_paired, device_trusted, device_connected))

        #if device_name not in 'B21':
        if device_name not in 'BuzzTV BT-400':
          continue

        print('remote control:\n  Name: {}\n  Address: {}\n  Paired: {}\n  Trusted: {}\n  Connected: {}'.
            format(device_name, device_address, device_paired, device_trusted, device_connected))

        adapter_proxy.StopDiscovery(dbus_interface="org.bluez.Adapter1")

        if not device_trusted:
          try:
            print('trust: {}'.format(device_path))
            device = dbus.Interface(bus.get_object('org.bluez', device_path), 'org.bluez.Device1')
            prop = dbus.Interface(bus.get_object('org.bluez', device_path), 'org.freedesktop.DBus.Properties')
            prop.Set('org.bluez.Device1', 'Trusted', dbus.Boolean(1))
          except Exception as error:
            print("Exception: {}".format(error))
            pass

        if not device_connected:
          try:
            print("\nconnect: {}".format(device_path))
            device = dbus.Interface(bus.get_object('org.bluez', device_path), 'org.bluez.Device1')
            device.Connect()
          except Exception as error:
            print("Exception: {}".format(error))
            pass

        #if 0 and device_trusted and not device_paired:
        #  try:
        #    print("\npaire: {}".format(device_path))
        #    device = dbus.Interface(bus.get_object('org.bluez', device_path), 'org.bluez.Device1')
        #    device.Pair()
        #  except Exception as error:
        #    print("Exception: {}".format(error))
        #    pass

        adapter_proxy.StartDiscovery(dbus_interface="org.bluez.Adapter1")



#time.sleep(10);
adapter_proxy.StopDiscovery(dbus_interface="org.bluez.Adapter1")

#Introspect the adapter
introspection = adapter_proxy.Introspect(dbus_interface="org.freedesktop.DBus.Introspectable")

#Print the introspection. See the AdvancedProxyExample for xml pretty printing.
#print(introspection)