optparse模块是python自带的模块，可用于处理命令行

#!/usr/bin/env python

# -*- coding: utf-8 -*-

""" __author__:JasonLIN """

from optparse import OptionParser

parse = OptionParser()

parse.add_option("-f", dest="filename",

                 help="write report to file")

(options, args) = parse.parse_args()

print(options, args)

#  {"fileanme: None"} ["ff", "df"]

##  {'filename': 'test'} []

print(options.filename)

# None

## test

"""

python optparse模块.py ff df #

python optparse模块.py -f test ##

"""