python抓取豆瓣图片并自动保存示例学习

# -*- coding:utf8 -*-
# 2013.12.36 19:41 wnlo-c209
# 抓取dbmei.com的图片。

from bs4 import BeautifulSoup
import os, sys, urllib2

# 创建文件夹，昨天刚学会
path = os.getcwd()          # 获取此脚本所在目录
new_path = os.path.join(path,u'豆瓣妹子')
if not os.path.isdir(new_path):
 os.mkdir(new_path)

def page_loop(page=0):
 url = 'http://www.dbmeizi.com/?p=%s' % page
 content = urllib2.urlopen(url)

 soup = BeautifulSoup(content)

 my_girl = soup.find_all('img')  

    # 加入结束检测，写的不好....
 if my_girl ==[]:
  print u'已经全部抓取完毕'
  sys.exit(0)

 print u'开始抓取'
 for girl in my_girl:
  link = girl.get('src')
  flink = 'http://www.dbmeizi.com/' + link

  print flink
  content2 = urllib2.urlopen(flink).read()
  with open(u'豆瓣妹子'+'/'+flink[-11:],'wb') as code:   #在OSC上现学的
   code.write(content2)
 page = int(page) + 1
 print u'开始抓取下一页'
 print 'the %s page' % page
 page_loop(page)

page_loop().