编写登陆接口

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

# -*- coding:utf-8 -*-
# !/usr/bin/env python
# Author:dc0012

import sys
count = 0
while True:
    flag_of_lock = 0
    login_username = input('Please input your username:')
    with open('/home/dc/lock_account', 'r') as f_lock:
        for l in f_lock:
            if login_username == l.strip():
                print('Sorry,This account was locked,Please try later')
                flag_of_lock = 1
                break
        if flag_of_lock == 1:
            continue

    with open('/home/dc/account', 'r') as account, \
            open('/home/dc/lock_account', 'a') as add_lock_account:
        for i in account:
            username, password = i.split()
            if username == login_username:
                while count < 3:
                    login_password = input('Password:')
                    if password == login_password:
                        print('Welcome %s login!' % username)
                        sys.exit()
                    else:
                        print('incorrect password')
                        count += 1
                print('Sorry,You try too many times,This account will be locked!')
                add_lock_account.write(username)
                sys.exit()
        print('No such this username,Please try again....')

readme:

/home/dc/account文件存放用户名密码，每一行是一个账户，以空格隔开用户名和密码。

/home/dc/lock_account文件存放被锁定的用户名，一行为一个用户。