http://www.crummy.com/software/BeautifulSoup/

import BeautifulSoup as Soup
import urllib

text = Soup.BeautifulSoup(urllib.urlopen(url).read())
找table,tr
text('table')
text('table')[15]('tr')
......

感觉使用起来非常的简单，对于从web上抓取数据解析非常好用！