如何使用python解析xml feed？

你可以试试

findall('channel/item')

import urllib2from xml.etree import ElementTree as etree#reddit parsereddit_file = urllib2.urlopen('http://www.reddit.com/r/videos/top/.rss')#convert to string:reddit_data = reddit_file.read()print reddit_data#close file because we dont need it anymore:reddit_file.close()#entire feedreddit_root = etree.fromstring(reddit_data)item = reddit_root.findall('channel/item')print itemreddit_feed=[]for entry in item:       #get description, url, and thumbnail    desc = entry.findtext('description')      reddit_feed.append([desc])