编写Python爬虫抓取暴走漫画上gif图片的实例分享

# -*- coding: utf-8 -*-

import urllib.request
import bs4,os

page_sum = 1 #设置下载页数

path = os.getcwd()
path = os.path.join(path,'暴走GIF')
if not os.path.exists(path):
  os.mkdir(path)                 #创建文件夹

url = "http://baozoumanhua.com/gif/year"   #url地址
headers = {                     #伪装浏览器
  'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)'
         ' Chrome/32.0.1700.76 Safari/537.36'
}

for count in range(page_sum):
  req = urllib.request.Request(
    url = url+str(count+1),
    headers = headers
  )
  print(req.full_url)
  content = urllib.request.urlopen(req).read()

  soup = bs4.BeautifulSoup(content)          # BeautifulSoup
  img_content = soup.findAll('img',attrs={'style':'width:460px'})

  url_list = [img['src'] for img in img_content]   #列表推导 url
  title_list = [img['alt'] for img in img_content]  #图片名称

  for i in range(url_list.__len__()) :
    imgurl = url_list[i]
    filename = path + os.sep +title_list[i] + ".gif"
    print(filename+":"+imgurl)             #打印下载信息
    urllib.request.urlretrieve(imgurl,filename)    #下载图片