python基础之ATM-3

Posted 2020-10-12

import json
import os
import sys
import time
import accounts
import db_handler
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(BASE_DIR)
from conf import settings
import accounts
import logger
‘‘‘
本模块是auth，用户认证，其中装饰器是检验账户是否冻结
‘‘‘

def lock_judge(func):
    ‘‘‘
    该方法实现判断账户是否被冻结
    :param func: 入参方法
    :return: 
    ‘‘‘
    def lock_account(user_data):
        print(user_data)
        func(user_data)
        acc_account = accounts.load(user_data["account_data"]["account"])
        if acc_account["status"] == "lock":
            exit("该账户已被冻结")
        return user_data
    return lock_account

def acc_auth(account,password):
    ‘‘‘
    该模块实现判断用户登陆信息
    :param account: 信用卡账户
    :param password: 信用卡密码
    :return: 返回用户信息
    ‘‘‘
    db_path = db_handler.db_handler(settings.DATABASE)
    db_file = "%s\%s.json"%(db_path,account)
    if os.path.isfile(db_file):
        with open(db_file) as f:
            account_data = json.load(f)
            if account_data["pass"] == password:
                exp_time_stamp = time.mktime(time.strptime(account_data["engine"],"%Y-%m-%d"))
                if time.time() > exp_time_stamp:
                    print("账户%s已失效，请更换卡片"%account)
                else:
                    return account_data

@lock_judge
def acc_login(user_data):
    ‘‘‘
    该函数是用于用户输入用户名，密码，调用认证函数，认证成功后设置用户登陆状态数据
    :param user_data: 
    :return user_data
    ‘‘‘
    count = 0
    while user_data["is_auth"] is False and count < 3:
        account = input("请输入信用卡账号 >>>")
        password = input("请输入信用卡密码 >>>")
        auth = acc_auth(account,password)
        if auth:
            user_data["is_auth"] = True
            user_data["account_id"] = account
            user_data["account_data"] = auth
            info = "%s登陆了信用卡中心" % account
            logger.write_logger(settings.logfile1, info)
            return user_data
    count += 1