Python CLI program template

__main__.py

#!/usr/bin/env python3.10

from argparse import ArgumentParser, Action, FileType, ArgumentError, ArgumentTypeError, Namespace
from logging import debug, info, warning, error, exception
from logging import DEBUG, INFO, WARNING, ERROR
from coloredlogs import install as color_log

def parse_arguments():
    parser = ArgumentParser(
        description="",
        prog="foobar.py",
        epilog="""
        """,
    )

    verbosity = parser.add_mutually_exclusive_group()
    verbosity.add_argument(
        "-q", "--quiet", action="store_true", help="turn off warnings"
    )
    verbosity.add_argument(
        "-v", "--verbose", action="count", help="set verbose loglevel"
    )

    args = parser.parse_args()

    return args

def get_log_level(verbose, quiet):
    return (
        ERROR if quiet else WARNING if not verbose else INFO if 1 == verbose else DEBUG
    )  #  2 <= verbose

def main(args: Namespace):
    return 0

if "__main__" == __name__:
    args = parse_arguments()
    color_log(level=get_log_level(args.verbose, args.quiet))
    debug(args)
    exit(main(args))