Python-基础练习题2

编写登陆接口

• 输入用户名密码
• 认证成功后显示欢迎信息
• 输错三次后锁定

#!/usr/bin/env python
# _*_ coding:utf8 _*_

import getpass

Username = 'daxin'
Password = ''

def panduan(name):
    with open('/tmp/result.log') as fd:
        content = fd.read()
        if len(content) == 0:
            return True
        else:
            lockname = content.split()[0]
            zhuangtai = content.split()[1]
            if lockname == name and zhuangtai == 'lock':
               return False
            else:
               return True
count = 0

while count < 3:
    username = raw_input('login:')
    password = getpass.getpass('password:')
    result = panduan(username)
    if result:
        if username == Username and password == Password:
                print "欢迎登陆"
                break
        elif username != Username:
                print "用户名不存在！,请注册！"
                break
        else:
                print '用户名/密码错误'
                break
        count += 1
    else:
        print '帐号已经锁定！'
        break
else:
    print '帐号已经锁定！'
    with open('/tmp/result.log','r+') as fd:
        fd.write('daxin lock')