python 执行文件时额外参数获取的实例

def usage():
  print(\' * usage:\')
  print(\' *  -c [val] : exporter_conf filepath, default importer_conf.\')
  print(\' *  -h : print this.\')
  print(\' *  -z : 不需要确认参数，直接执行\')


do_not_confirm = False

conf = \'\'
#c: [c+冒号表示-c 后面有参数，hz表示-h,-z后面没参数,如果此时在-h 100加上参数，那么这个100的值是获取不到的] 
opts, args = getopt.getopt(sys.argv[1:], \'c:hz\') 
for op, value in opts:
  value = value.replace(\'\\\'\', \'\').replace(\'\\\"\', \'\')
  if op == \'-c\':
    conf = value
  elif op == \'-h\':
    usage()
    sys.exit()
  elif op == \'-z\':
    do_not_confirm = True