爬取bing图片作为桌面壁纸

#!/usr/bin/python
# -*- coding: utf-8 -*-
import urllib2

import requests
import urllib
from bs4 import BeautifulSoup
import os

if os.path.exists('C:\Users\dengjianfeng\Pictures\Saved Pictures') == True:  # 如果目录不存在则创建
    print("image dir is exsit")
else:
    os.mkdir('image')

header = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) \
    AppleWebKit/537.36 (KHTML, like Gecko) \
        Chrome/35.0.1916.114 Safari/537.36',
    'Cookie': 'AspxAutoDetectCookieSupport=1'
}

i = 0
for page in range(1,600):
    url = 'https://bing.ioliu.cn/?p='+str(page)
    r = requests.get(url)
    contents = r.text

    soup = BeautifulSoup(contents,'html.parser')
    divs = soup.find_all('div','item')

    for div in divs:
        imgs = div.find_all('img')
        for img in imgs:
            print(img['src'])
            print(img['src'].replace('400x240','1920x1080'))

            request = urllib2.Request(img['src'].replace('400x240','1920x1080'), None, header)
            response = urllib2.urlopen(request)
            with open('C:\Users\dengjianfeng\Pictures\Saved Pictures\%s.jpg'%i, "wb") as f:
                f.write(response.read())
            i += 1
            print('成功抓取第%s张图片'%i)
print('共抓取'+str(i)+'张图片')