249 def _validate_arguments(arguments):  argument
265     if arguments.hostnames and arguments.hostname_file:
270     if (arguments.hostname_file and
271         not _is_hostname_file_valid(arguments.hostname_file)):
275     if (not arguments.hostnames and not arguments.hostname_file and
276             (arguments.board or arguments.build)):
280     if arguments.board is not None:
281         if not _validate_board(arguments.board):
283         if (arguments.build is not None and
284                 not _validate_build(arguments.board, arguments.build)):
422 def _read_arguments(input, arguments):  argument
438         arguments.board = _read_board(input, arguments.board)
439         arguments.build = _read_build(input, arguments.board)
440         arguments.model = _read_model(input, arguments.model)
442                 arguments.board, arguments.build)
444     arguments.hostnames = _read_hostnames(input)
477 def _get_upload_basename(arguments):  argument
486     return '{time}-{board}'.format(time=timestamp, board=arguments.board)
511 def validate_arguments(arguments):  argument
526     if not arguments.board or not arguments.model:
527         _read_arguments(sys.stdin, arguments)
528     elif not _validate_arguments(arguments):
531     arguments.upload_basename = _get_upload_basename(arguments)
532     if not arguments.logdir:
533         arguments.logdir = os.path.join(os.environ['HOME'],
535                                         arguments.upload_basename)
536         os.makedirs(arguments.logdir)
537     elif not os.path.isdir(arguments.logdir):
538         os.mkdir(arguments.logdir)
540     if arguments.hostname_file:
542         hostname_file_info_list = _parse_hostname_file(arguments.hostname_file)
543         arguments.hostnames = [host_info.hostname
545         arguments.host_info_list = hostname_file_info_list
547         arguments.host_info_list = []
548     return arguments