批量下载豆瓣相册图片

getDoubanPics

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

# 批量下载豆瓣相册图片v0.1
# 步骤：
# 1. 获取图片的页面地址
# 2. 获取页面上图片的地址
# 3. 获取图片，写入文件

# 导入所需要的模块
import urllib2
from bs4 import BeautifulSoup
import re

# 资源地址
baseUrl = 'http://www.douban.com/photos/album/122789497/'

# 获得图片并写入文件
def getImg(url):
  imgPath = url
  imgLocalPath = imgPath[-15:]

  with open(u'E:\\douban\\' + imgLocalPath, 'wb') as imgFile:
    imgData = urllib2.urlopen(imgPath).read()
    imgFile.write(imgData)


def getImgUrl(baseUrl):
  soup = BeautifulSoup(urllib2.urlopen(baseUrl))
  # print(soup.find_all('a', class_="photolst_photo"))
  imgWrap = soup.find_all('a', class_="photolst_photo")
  # print(imgWrap[0].contents)
  for w in imgWrap:
    for child in w.children:
      if child.name =='img':
        print(child['src'])
        # 小图地址 http://img3.douban.com/view/photo/thumb/public/p2168272700.jpg
        smallSrc = child['src']
        # 大图地址 http://img3.douban.com/view/photo/large/public/p2171489724.jpg
        bigSrc = re.sub(r'thumb', 'large', smallSrc)
        getImg(bigSrc)

# 主函数
getImgUrl(baseUrl)