模块常用snippet

压缩，文件操作，数据库，md5，json，

压缩

import os, sys, time

import zipfile

# 解压

filename = 'callofdutyblackopszombies_1349649132343_my.zip'

filedir = 'data/'  # 解压后放入的目录

r = zipfile.is_zipfile(filename)

if r:

    starttime = time.time()

    fz = zipfile.ZipFile(filename,'r')

    for file in fz.namelist():

        print(file)  #打印zip归档中目录

        fz.extract(file,filedir)

    endtime = time.time()

    times = endtime - starttime

else:

    print('This file is not zip file')

print('times' + str(times))