编写的登陆接口

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import sys,os,getpass

#os.system('clear')
i = 0
while i < 3:
    name = input('请先输入用户名：')

    lock_file = open('account_lock.txt','r+')
    lock_list = lock_file.readlines()
    for lock_line in lock_list:
        lock_line = lock_line.strip('\n')
        if name == lock_line:
            sys.exit('用户%s已经被锁定，退出'%name)

    user_file = open('account.txt','r')
    user_list = user_file.readlines()
    for user_line in user_list:
        (user,password) = user_line.strip('\n').split()

        if name == user:
            j = 0
            while j < 3:
                passwd = getpass.getpass('请输入密码：')
                if passwd == password:
                    print('欢迎登陆管理平台，用户%s'%name)
                    sys.exit(0)
                else:
                    if j != 2:
                        print('用户%s密码错误，还有%s次机会'%(name,2-j))
                j +=1
            else:
                lock_file.write(name + '\n')
                sys.exit('用户%s达到最大登陆次数，将被锁定')
        else:
            pass
    else:
        if i != 2:
            print('用户%s不存在，请重新输入，还有%s次机会'%(name,2-i))
    i +=1
else:
    sys.exit("用户%s不存在，推出"%name)
lock_file.close()
user_file.close()

拷贝别人的，getpass在pycharm中无法使用