Method get_parser

espnet2/tasks/abs_task.py:294–1087

(cls)

    @classmethod
    @typechecked
    def get_parser(cls) -> config_argparse.ArgumentParser:
        class ArgumentDefaultsRawTextHelpFormatter(
            argparse.RawTextHelpFormatter,
            argparse.ArgumentDefaultsHelpFormatter,
        ):
            pass

        parser = config_argparse.ArgumentParser(
            description="base parser",
            formatter_class=ArgumentDefaultsRawTextHelpFormatter,
        )

        # NOTE(kamo): Use '_' instead of '-' to avoid confusion.
        #  I think '-' looks really confusing if it's written in yaml.

        # NOTE(kamo): add_arguments(..., required=True) can't be used
        #  to provide --print_config mode. Instead of it, do as
        parser.set_defaults(required=["output_dir"])

        group = parser.add_argument_group("Common configuration")

        group.add_argument(
            "--print_config",
            action="store_true",
            help="Print the config file and exit",
        )
        group.add_argument(
            "--log_level",
            type=lambda x: x.upper(),
            default="INFO",
            choices=("ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"),
            help="The verbose level of logging",
        )
        group.add_argument(
            "--drop_last_iter",
            type=str2bool,
            default=False,
            help="Exclude the minibatch with leftovers.",
        )
        group.add_argument(
            "--dry_run",
            type=str2bool,
            default=False,
            help="Perform process without training",
        )
        group.add_argument(
            "--iterator_type",
            type=str,
            choices=["sequence", "category", "chunk", "task", "none"],
            default="sequence",
            help="Specify iterator type",
        )
        group.add_argument(
            "--valid_iterator_type",
            type=str,
            choices=["sequence", "category", "chunk", "task", "none"],
            default=None,
            help="Specify iterator type",