cli.py

import argparse

parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)

parser.add_argument("domain", help="The domain to scan")

parser.add_argument(
    "-o",
    "--output",
    help="A file to output the list of subdomains to",
    dest="output_file",
)

parser.add_argument(
    "--censys-api-id",
    help="Censys API ID. Can also be defined using the CENSYS_API_ID environment variable",
    dest="censys_api_id",
)

parser.add_argument(
    "--censys-api-secret",
    help="Censys API secret. Can also be defined using the CENSYS_API_SECRET environment variable",
    dest="censys_api_secret",
)

parser.add_argument(
    "--commercial",
    help="Don't limit search results (for commercial accounts)",
    dest="commercial",
    action="store_true",
    default=False,
)