作业3月31号

作业：
1、把登录与注册的密码都换成密文形式

import hashlib
def register():
    user=input('请输入账号：')
    pwd=input('请输入密码：')
    pwd1=hashlib.md5(pwd.encode('utf-8'))
    pwd2=pwd1.hexdigest()
    with open('a.txt','a',encoding='utf-8') as f:
        f.write('{}:{}
'.format(user,pwd2))
register()

def login():
    user = input('请输入账号：')
    pwd = input('请输入密码：')
    pwd1 = hashlib.md5(pwd.encode('utf-8'))
    pwd2 = pwd1.hexdigest()
    with open('a.txt', 'r', encoding='utf-8') as f:
        for line in f:
            if [user,pwd2] == line.strip().split(':'):
                print('登录成功')
login()

2、文件完整性校验（考虑大文件）

import hashlib

def verify_file(file):
    m = hashlib.md5()
    res = [100, 200, 300, 400]
    with open(file, 'rb') as f:
        for line in res:
            f.seek(line, 0)
            m.update(f.read(100))

        return m.hexdigest()

3、注册功能改用json实现

import hashlib,json

def register():
    ipt_account = input('Enter your account:')
    ipt_pwd = input('Enter your password:')
    with open('db.txt','at',encoding='utf-8') as f:
        pwd_hash = hashlib.md5(ipt_pwd.encode('utf-8'))
        register_info = {
            'name':ipt_account,
            'password':pwd_hash.hexdigest(),
            'account_type':'user'
        }
        json.dump(f"{ipt_account}:{register_info}",f)
        f.write('
')

register()

4、项目的配置文件采用configparser进行解析

def config_parser(section, option, type=str):
    import configparser
    from conf.settings import CONF_INI_FILE

    config = configparser.ConfigParser()
    config.read(CONF_INI_FILE)
    if type == int:
        return config.getint(section, option)
    return config.get(section, option)