r'BDE_Image" src="(.+?\.jpg)" pic_ext'

#!usr/bin/env python

# coding: utf-8

import os

import re

import urllib

def getHtml(url):

    page = urllib.urlopen(url)

    html = page.read()

    page.close()

    return html

def getImages(html):

    reg = r'BDE_Image" src="(.+?\.jpg)" pic_ext'

    imgre =  re.compile(reg)

    imgList = imgre.findall(html)

    print 'We have got %d pictures' % len(imgList)

    path = './download'

    x = 0

    for imgurl in imgList:

        FileName = os.path.join(path, '%s.jpg' % (x+1))

        urllib.urlretrieve(imgurl,FileName)

        print '%s.jpg is done.' % (x+1)

        x = x + 1

if __name__ == '__main__':

    url = raw_input('input the URL:>')

    html = getHtml(url)

    getImages(html)