def get_args_parser()

in hydra/_internal/utils.py [0:0]

• 48 lines of code
• 1 McCabe index (conditional complexity)

def get_args_parser() -> argparse.ArgumentParser:
    from .. import __version__

    parser = argparse.ArgumentParser(add_help=False, description="Hydra")
    parser.add_argument("--help", "-h", action="store_true", help="Application's help")
    parser.add_argument("--hydra-help", action="store_true", help="Hydra's help")
    parser.add_argument(
        "--version",
        action="version",
        help="Show Hydra's version and exit",
        version=f"Hydra {__version__}",
    )
    parser.add_argument(
        "overrides",
        nargs="*",
        help="Any key=value arguments to override config values (use dots for.nested=overrides)",
    )

    parser.add_argument(
        "--cfg",
        "-c",
        choices=["job", "hydra", "all"],
        help="Show config instead of running [job|hydra|all]",
    )
    parser.add_argument(
        "--resolve",
        action="store_true",
        help="Used in conjunction with --cfg, resolve config interpolations before printing.",
    )

    parser.add_argument("--package", "-p", help="Config package to show")

    parser.add_argument("--run", "-r", action="store_true", help="Run a job")

    parser.add_argument(
        "--multirun",
        "-m",
        action="store_true",
        help="Run multiple jobs with the configured launcher and sweeper",
    )

    # defer building the completion help string until we actually need to render it
    class LazyCompletionHelp:
        def __repr__(self) -> str:
            return f"Install or Uninstall shell completion:\n{_get_completion_help()}"

    parser.add_argument(
        "--shell-completion",
        "-sc",
        action="store_true",
        help=LazyCompletionHelp(),  # type: ignore
    )

    parser.add_argument(
        "--config-path",
        "-cp",
        help="""Overrides the config_path specified in hydra.main().