python 3次登入

標籤：exit   raw_input   login   try   name   bin   log   limit   write   

 1 #!/usr/bin/env python 2 #_*_ coding:utf-8 _*_ 3 #三次登入 4 import sys,os 5 os.system(‘clear‘) 6 retry_limit = 3 7 retry_count = 0 8 account_file = ‘account.txt‘ 9 lock_file = ‘account_lock.txt‘10 11 def lock(username):12     f = open(lock_file, ‘rb‘)13     for line in f.readlines():14         if username == line.strip(‘\n‘):15             sys.exit(‘User %s is locked!!!‘ % username)16             17 18 def login(username,password):19     global retry_count20     while retry_count < retry_limit:21         f = open(account_file, ‘rb‘)22         match_flag = False23         for line in f.readlines():24             user,passwd = line.strip(‘\n‘).split()25             if username == user and password == passwd:26                 print (‘hello, %s !!‘ % username)27                 match_flag = True28                 break29         f.close()30     31         if match_flag == False:32             print(‘sorry, %s is error‘ %username)33             retry_count += 134         else:35             print(‘welcome login %s!!!!‘ %username)36             braek37     else:38         print ("you account %s is locked!!!" % username)39         g = open(lock_file,‘a‘)40         g.write(username)                                                   41         g.write(‘\n‘)   42         g.close()43         44     45 def main(username, password):46     lock(username)47     login(username,password)48     49 50 username = raw_input("username:")51 password = raw_input("password")52 main(username, password)53     54 55     56 #def main():57 #    username = raw_input("username:")58 #    password = raw_input("password")59 #    lock(username)60 #    login(username,password)61 #main()

 

python 3次登入