python模块提供boost :: program_option之类的功能

import argparse

parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument('integers', metavar='N', type=int, nargs='+',
                    help='an integer for the accumulator')
parser.add_argument('--sum', dest='accumulate', action='store_const',
                    const=sum, default=max,
                    help='sum the integers (default: find the max)')

args = parser.parse_args()
print(args.accumulate(args.integers))

import getopt
import sys

def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], "ho:v", ["help", "output="])
    except getopt.GetoptError as err:
        print(str(err))
        sys.exit(2)

    output = None
    verbose = False

    for o, a in opts:
        if o == "-v":
            verbose = True
        elif o in ("-h", "--help"):
            print("test.py [-h] [-o OUTPUT] [-v]")
            sys.exit()
        elif o in ("-o", "--output"):
            output = a
        else:
            assert False, "unhandled option"

    print("verbose={}".format(verbose))
    print("output={}".format(output))

if __name__ == "__main__":
    main()