#!/usr/bin/env python3
"""
launch helper functions
"""
import argparse


def default_argument_parser():
    """
    create a simple parser to wrap around config file
    """
    parser = argparse.ArgumentParser(description="visual-prompt")
    parser.add_argument(
        "--config-file", default="vpt/configs/prompt/cub.yaml", metavar="FILE", help="path to config file")
    parser.add_argument(
        "--train-type", default="", help="training types")
    parser.add_argument(
        "opts",
        help="Modify config options using the command-line",
        default=None,
        nargs=argparse.REMAINDER,
    )

    return parser