#!/usr/bin/env python

import requests,time,os,datetime,platform

from threading import Thread

#cd backup dir

if platform.system() == 'Windows':

    os.chdir('D:\python\mysqlbackup_all')

elif platform.system() == 'Linux':

    os.chdir('/data/mysqlbackup_all/')

#Get 3 days ago

now_time = datetime.datetime.now()

yes_time = now_time + datetime.timedelta(days=-3)

yes_time_3day_ago = yes_time.strftime('%Y%m%d%H%M').replace('','')

#Get the whole point time

Data_time = time.strftime("%Y%m%d%H%M",time.localtime())

Data_time_30Minute = Data_time.replace('','')

#request url

def for_url(url_name):

    for i in url_name:

        file_url = 'http://186.87.1.98/'+i + '/'+ i + '_aaa_' + '' +'.tar.gz'

        r = requests.get(file_url, stream=True)

        with open(i + '_'+Data_time + '.tar.gz', 'wb') as didi:

            for chunk in r.iter_content(chunk_size=1024 * 1024):

                if chunk:

                    didi.write(chunk)

        print file_url

#delete 3 day ago tar.gz file

def delete_3day(url_name):

    for i in url_name:

        targat_dir = i + '_' + yes_time_3day_ago + '.tar.gz'

        delete_home_ssdb = 'rm %s -rf ' % targat_dir

        os.system(delete_home_ssdb)

def main():

    url_name = ('', '', '', 'aa', 'qq', 'baidu', '')

    t = Thread(target=for_url(url_name),args=url_name)

    t.start()

    t.join()

    delete_3day(url_name)

if __name__ == '__main__':

     main()