擅长:python、mysql、java
<p>尝试查看<a href="http://docs.python.org/2/library/urllib2.html" rel="nofollow">urllib2</a>文档来获取RSS提要。您还可以查看<a href="http://wiki.python.org/moin/RssLibraries" rel="nofollow">RSS libraries</a>来解析它。你不需要使用grep,你需要一个版本号。你知道吗</p>
<pre><code>import feedparser
feed = feedparser.parse('http://mcupdate.tumblr.com/rss')
item_titles = [item['title'] for item in feed['items']] # get the items titles
minecraft_versions = [title for title in item_titles if re.match('^Minecraft [0-9\.]+$',title)] # keep the titles that matches the regex
latest_version = minecraft_versions[0][10:] # get the latest version
</code></pre>