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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def main(cls):
 """Main entry point of Laniakea. """

        args = cls.parse_args()

        if args.focus:
            Focus.init()
        else:
            Focus.disable()

        logging.basicConfig(format='[Laniakea] %(asctime)s %(levelname)s: %(message)s',
                            level=args.verbosity * 10,
                            datefmt='%Y-%m-%d %H:%M:%S')

        # Laniakea base configuration
        logger.info('Loading Laniakea configuration from %s', Focus.data(args.settings.name))
        try:
            settings = json.loads(args.settings.read())
        except ValueError as msg:
            logger.error('Unable to parse %s: %s', args.settings.name, msg)
            return 1

        # UserData
        userdata = ''

        if args.userdata:
            logger.info('Reading user data script content from %s', Focus.info(args.userdata.name))
            try:
                userdata = UserData.handle_import_tags(args.userdata.read(),
                                                       os.path.dirname(args.userdata.name))
            except UserDataException as msg:
                logging.error(msg)
                return 1

        if args.list_userdata_macros:
            UserData.list_tags(userdata)
            return 0

        if args.userdata_macros:
            args.userdata_macros = UserData.convert_pair_to_dict(args.userdata_macros or '')
            userdata = UserData.handle_tags(userdata, args.userdata_macros)

        if args.print_userdata:
            logger.info('Combined UserData script:\n%s', userdata)
            return 0

        if args.provider:
            provider = getattr(globals()[args.provider], args.provider.title() + 'CommandLine')
            provider().main(args, settings, userdata)

        return 0