Python User password login match verification

#需求

Writing the Login interface

-Enter user name password

-Show welcome message after successful authentication

-three times after the wrong lock

#脚本目录

[Email protected] opt]# tree ├──account_lock.txt├──accounts.txt└──login.py0 directories, 3 files

#脚本文件

#!/usr/bin/env python#_*_ coding:utf-8 _*_import sysretry_limit = 3retry_count  = 0account_file =  ' accounts.txt ' lock_file =  ' account_lock.txt ' While retry_ count < retry_limit:   #三次验证循环          #让用户输入用户名         username = raw_input (' \033[31m Username: \ 033[0m ')         lock_check = file (lock_file)          for line in lock_check.readlines ():                 if username in line:                          sys.exit ()                                  # Let the user enter the password            password = raw_input (' \033[ 31m password: \033[0m ')                   #获得account文件的用户和密码         f = file ( Account_file, ' RB ')         match_flag = False         for line in f.readlines ():                 user,passwd = line.strip (' \ n '). Split ()                                   #对用户输入的用户密码进行匹配验证      &nbSp;          if username == user and  password == passwd:                         print  ' match! ',  username                          match_flag = True                         break         f.close ()                   #判断有没有匹配成功, the next cycle is unsuccessful, the welcome information is entered          if match_flag == False:                    print  ' user unmatched '                  retry_count += 1         else:                 print  "welcome login wsyht lerning system!"                 sys.exit () Else :         #三次循环完后开始锁账户          print  ' your account is locked! '         f = file (lock_file, ' ab ')          f.write (username)         f.close ()

#查看账户文件

[email protected] opt]# cat accounts.txt wsyht wsyht

#查看锁文件

[email protected] opt]# cat account_lock.txt [[email protected] opt]#

#执行脚本不匹配显示

[[email protected] opt]# python login.py username:jenkins password:jenkinsuser unmatched username:jenkins password:je Nkinsuser unmatched Username:jenkins password:jenkinsuser unmatchedyour account is locked!

#查看锁文件

[email protected] opt]# cat account_lock.txt jenkins[[email protected] opt]#

#执行脚本匹配显示

[email protected] opt]# python login.py username:wsyht password:wsyhtmatch! Wsyhtwelcome Login Wsyht lerning System

This article is from the "Wsyht blog" blog, make sure to keep this source http://wsyht2015.blog.51cto.com/9014030/1794940

Python User password login match verification