import argparse
from pathlib import Path

def parse_arguments():
    parser = argparse.ArgumentParser(
        description="Convert an image or folder of images into a PDF file."
    )
    parser.add_argument(
        "input_path",
        type=str,
        help="Path to an image file or a folder containing images.",
    )
    parser.add_argument(
        "-o", "--output",
        type=str,
        required=True,
        help="Output PDF file path.",
    )
    parser.add_argument(
        "--overwrite",
        action="store_true",
        help="Overwrite the output file if it already exists.",
    )
    return parser.parse_args()