7 Arguments for the DUT deployment commands require more processing than
9 validation process not only checks that arguments have allowable values,
10 but also may perform a dialog with the user to ask for missing arguments.
93     The function constructs the full GS URI from the arguments, and
250 def _validate_arguments(arguments):  argument
251     """Check command line arguments, and account for defaults.
260     @param arguments  Parsed results from
266     if arguments.hostnames and arguments.hostname_file:
271     if (arguments.hostname_file and
272         not _is_hostname_file_valid(arguments.hostname_file)):
276     if (not arguments.hostnames and not arguments.hostname_file and
277             (arguments.board or arguments.build)):
281     if arguments.board is not None:
282         if not _validate_board(arguments.board):
284         if (arguments.build is not None and
285                 not _validate_build(arguments.board, arguments.build)):
423 def _read_arguments(input, arguments):  argument
424     """Dialog to read all needed arguments from the user.
427     hostnames.  Responses are stored in `arguments`.  The user is
433     @param arguments  Namespace object returned from
439         arguments.board = _read_board(input, arguments.board)
440         arguments.build = _read_build(input, arguments.board)
441         arguments.model = _read_model(input, arguments.model)
443                 arguments.board, arguments.build)
445     arguments.hostnames = _read_hostnames(input)
478 def _get_upload_basename(arguments):  argument
481     @param arguments  Namespace object returned from argument parsing.
487     return '{time}-{board}'.format(time=timestamp, board=arguments.board)
512 def validate_arguments(arguments):  argument
513     """Validate parsed arguments for a repair or deployment command.
515     The `arguments` parameter represents a `Namespace` object returned
516     by `cmdparse.parse_command()`.  Check this for mandatory arguments;
520     Once all arguments are known to be filled in, validate the values,
524     @param arguments  Standard `Namespace` object as returned by
527     if not arguments.board or not arguments.model:
528         _read_arguments(sys.stdin, arguments)
529     elif not _validate_arguments(arguments):
532     arguments.upload_basename = _get_upload_basename(arguments)
533     if not arguments.logdir:
534         arguments.logdir = os.path.join(os.environ['HOME'],
536                                         arguments.upload_basename)
537         os.makedirs(arguments.logdir)
538     elif not os.path.isdir(arguments.logdir):
539         os.mkdir(arguments.logdir)
541     if arguments.hostname_file:
542         # Populate arguments.hostnames with the hostnames from the file.
543         hostname_file_info_list = _parse_hostname_file(arguments.hostname_file)
544         arguments.hostnames = [host_info.hostname
546         arguments.host_info_list = hostname_file_info_list
548         arguments.host_info_list = []
549     return arguments