用接口爬取今日头条图片

#encoding:utf8
import requests
import json
import re
demo = requests.get(\'http://www.toutiao.com/api/pc/feed/?category=gallery_detail&utm_source=toutiao&max_behot_time=0&as=A1E5F9D180C2473&cp=5910C214D7E3BE1\').text
demo1 = json.loads(demo)
n = 0
for i in demo1[\'data\']:
       the_url = \'http://www.toutiao.com/\'+ i[\'source_url\']
       contents = requests.get(the_url).text
       demo =  re.compile(\'gallery = {(.*?)}\',re.S)
       list = demo.findall(contents)
for i in list:
           n=n+1
           print(i)
           t = requests.get(i[33:85].replace(\'\/\',\'/\')).content
           op = open(str(n)+\'.jpg\',\'wb+\')
           op.write(t)
           op.close()