python module getopt usage

 1 import getopt
 2 import sys
 3 def usage():
 4     print 'this is a usage.'
 5 def main():
 6     try:
 7         print sys.argv
 8         #sys.argv[0],表示文件路径，sys.argv[1:]，表示用户输入所有参数
 9         #hp:i, 带有:表示需要跟参数，后面的长参数需要带‘=’
10         options,args = getopt.getopt(sys.argv[1:],"hp:i:",["help","ip=","port="])
11         print 'options:',options
12         print 'args:',args
13     except getopt.GetoptError:
14         sys.exit()
15 
16     print '--------------------'
17 
18     for name,value in options:
19         if name in ("-h","--help"):
20             usage()
21     if name in ("-i","--ip"):
22         print 'ip is----',value
23     if name in ("-p","--port"):
24         print 'port is----',value
25 
26 
27 if __name__ == "__main__":
28     main()