basic operations of parameters in CLI over Python

Basic_CLI_Parameters.py

# -*- coding: utf-8 -*-
"""
Created on Sun Apr 22 16:04:40 2018
@description: Basic Operation in CLI
@author: JianKai Wang
"""

# coding: utf-8

import sys
import getopt
import logging

# help message
def helpMessgae():
    print("""Usage: python Basic_CLI_Parameters.py [options]
[options]
-o              (necessary)
-p              (necessary)
-h, --help      the help message
    """)

# parse opts
def parseOpts(get_opts):
    return(dict((k,v) for k,v in get_opts))

# main entry
logging.basicConfig(level=logging.WARNING)

opts, args = getopt.getopt(sys.argv[1:], "fho:p:", ["help"])
opts = parseOpts(opts)

if len(opts) < 1:
    logging.debug("opts < 1")
    helpMessgae()
elif '--help' in opts.keys() or '-h' in opts.keys():
    logging.debug("opts exists help")
    helpMessgae()
else:
    # the further operations
    pass