python命令行参数解析OptionParser类用法实例

from optparse import OptionParser  parser = OptionParser(usage="usage:%prog [optinos] filepath") parser.add_option("-t", "--timeout",         action = "store",         type = 'int',         dest = "timeout",         default = None,         help="Specify annalysis execution time limit"         ) parser.add_option("-u", "--url",         action = "store_true",         dest = "url",         default = False,         help = "Specify if the target is an URL"         ) (options, args) = parser.parse_args()  if options.url:   print(args[0]) print options.timeout