图片蜘蛛，写来爬去凡客上的T的图片的

import os
import sys
import re
import urllib

VANCAL_ITEM = re.compile(r'http://vt.vancl.com/item/(\d+).*', re.I)
ITEM_PIC = re.compile(r'(http://images.vancl.com/product/.*?/small/.*?\.jpg)', re.I)

def download(dir, url):

	global VANCAL_ITEM, ITEM_PIC
	
	if not os.path.isdir(dir):
		os.mkdir(dir)
	
	html = urllib.urlopen(url).read()
	items = [item for item in VANCAL_ITEM.findall(html)]
	for idx, item in enumerate(items):
		item_url = 'http://vt.vancl.com/item/' + item + '.html'
		print idx, ": ", item_url

		dl_dir = dir + item + '\\'
		try:
			os.makedirs(dl_dir)
		except:
			pass
		item_html = urllib.urlopen(item_url).read()
		item_pics = [item for item in ITEM_PIC.findall(item_html)]
		for sidx, sitem in enumerate(item_pics):
			tmp = sitem.replace("small", "mid")
			name = tmp.split('/')[-1]
			dl_name = os.path.join(dl_dir, name)
			urllib.urlretrieve(tmp, dl_name)
	return
	
def main():
	dir = 'd:\\img\\'
	ss = 'http://vt.vancl.com/list/women/'
	ed = '/view=1'
	for idx in range(10):
		download(dir, ss + str(idx + 1) + ed)
		
if __name__ == '__main__':
	main()