Parse command line arguments in Python using sys.argv

pyargs.py

#!/usr/bin/env python3

import sys
import re

script = sys.argv.pop(0)

while sys.argv:
    arg = sys.argv.pop(0)

    # get help with -h/--help
    if re.search(r'^(-h|--help)$', arg):
        print('help')

    # flag
    elif re.search(r'^(-v|--verbose)$', arg):
        print('verbose')

    # option with args
    elif re.search(r'^(-f|--file)$', arg):
        param = sys.argv.pop(0)
        print(arg, '=', param)

    # positional args - files
    elif re.search(r'^[^\-]', arg): 
        print('positional arg:', arg)

    # fallback
    else:
        print('wtf:', arg)