code: def Connect(self):
      '''Connect a device '''
      device_path = self.path
  
      if device_path not in mockobject.objects:
          raise dbus.exceptions.DBusException('No such device.',
                                              name='org.bluez.Error.NoSuchDevice')
  
      device = mockobject.objects[device_path]
  
      device.props[AUDIO_IFACE]['State'] = dbus.String("connected",
                                                       variant_level=1)
      device.EmitSignal(AUDIO_IFACE, 'PropertyChanged', 'sv', [
          'State', dbus.String("connected", variant_level=1),
      ])
  
      device.props[DEVICE_IFACE]['Connected'] = dbus.Boolean(True,
                                                             variant_level=1)
      device.EmitSignal(DEVICE_IFACE, 'PropertyChanged', 'sv', [
          'Connected', dbus.Boolean(True, variant_level=1),
      ]f Connect(self):
      '''Connect a device '''
      device_path = self.path
  
      if device_path not in mockobject.objects:
          raise dbus.exceptions.DBusException('No such device.',
                                              name='org.bluez.Error.NoSuchDevice')
  
      device = mockobject.objects[device_path]
  
      device.props[AUDIO_IFACE]['State'] = dbus.String("connected",
                                                       variant_level=1)
      device.EmitSignal(AUDIO_IFACE, 'PropertyChanged', 'sv', [
          'State', dbus.String("connected", variant_level=1),
      ])
  
      device.props[DEVICE_IFACE]['Connected'] = dbus.Boolean(True,
                                                             variant_level=1)
      device.EmitSignal(DEVICE_IFACE, 'PropertyChanged', 'sv', [
          'Connected', dbus.Boolean(True, variant_level=1),
      ])
docs: Connect a device