Python实现豆瓣图片下载的方法

download_douban_album
# -*-coding:UTF-8 -*-
import re
import urllib
def count_percent(a,b,c):
  per = 100.0 * a * b / c
  if per > 100:
    per = 100
  print '%.2f%%' % per
def get_url():
  n = [x*18 for x in range(0,87)]
  url_list = []
  for i in n:
    url = 'http://www.douban.com/photos/album/73174384/?start=%s' % i
    url_list.append(url)
  return url_list
def get_img_url():
  img_url = []
  url = get_url()
  for u in url:
    a = urllib.urlopen(u)
    for line in a.readlines():
      if 'thumb' in line:
        img_url.append(line.strip()[10:-4].replace('thumb','photo'))
  return img_url
def download_img():
  download_url = get_img_url()
  for u in download_url:
    urllib.urlretrieve(u,'d:New%s' % u.split('/')[-1])
if __name__ == '__main__':
  """a = get_img_url()
  f = open('d:thumb.txt','w')
  for i in a:
    #j = i.replace('thumb','photo')
    f.write(i+'n')
  f.close()"""
  download_img()