def main()

in smart-mirror-full/extracted/device/script/src/agt/alexa_gadget.py [0:0]

• 33 lines of code
• 7 McCabe index (conditional complexity)

    def main(self):
        """
        Main entry point.
        """
        # Parse the args passed in by the caller.
        parser = argparse.ArgumentParser()
        parser.add_argument('--pair', action='store_true', required=False,
        help='Puts the gadget in pairing/discoverable mode. '
        'If you are pairing to a previously paired Echo device, '
        'please ensure that you first forget the gadget from the Echo device using the Bluetooth menu in Alexa App or Echo\'s screen.')
        parser.add_argument('--clear', action='store_true', required=False,
        help='Reset gadget by unpairing bonded Echo device and clear config file. '
        'Please also forget the gadget from the Echo device using the Bluetooth menu in Alexa App or Echo\'s screen. '
        'To put the gadget in pairing mode again, use --pair')
        args = parser.parse_args()

        # If --clear is passed in, unpair Raspberry Pi with Echo Device
        if args.clear:
            # in addition to this, also unpair using bt adapter
            if self._peer_device_bt_addr is not None:
                try:
                    self._bluetooth.unpair(self._peer_device_bt_addr)
                except Exception:
                    pass
                # delete peer address in memory
                self._peer_device_bt_addr = None
                # delete peer address in config file
                self._write_peer_device_bt_address()

            logger.info('Successfully unpaired with Echo device over {}.'
                        .format(self._transport_mode) +
            ' Please also forget the gadget from the Echo device using the Bluetooth menu in Alexa App or Echo\'s screen.')
            if not args.pair:
                logger.info('To put the gadget in pairing mode again, use --pair')

        # Start pairing or reconnection only if --clear is not passed in OR if --clear is passed in with --pair argument
        if not args.clear or (args.clear and args.pair):
            # If --pair is passed in, we will only remove the BT address in memory
            if args.pair:
                # Do not delete the address in config file, this allows the customer to undo the clear
                self._peer_device_bt_addr = None

            # start the bluetooth daemon
            self.start()

            # Set discoverable if bluetooth address is not in the configuration file.
            if not self.is_paired():
                self.set_discoverable(True)
                logger.info('Now in pairing mode over {}. Pair {} in the Alexa App.'
                            .format(self._transport_mode, self.friendly_name))

            # current BT implementation requires event loop on mainthread
            # if event loop no longer required, block on signal.pause()
            self._bluetooth.run()