python使用HTMLParser解析html，pythonhtmlparser,一个Python HTM

python使用HTMLParser解析html，pythonhtmlparser,一个Python HTM

一个Python HTMLParser的使用例子

#!/usr/bin/env pythonimport sysimport urllibimport HTMLParserclass CustomParser(HTMLParser.HTMLParser):selected = (‘table’, ‘h1′, ‘font’, ‘ul’, ‘li’, ‘tr’, ‘td’, ‘a’)def reset(self):HTMLParser.HTMLParser.reset(self)self._level_stack = []def handle_starttag(self, tag, attrs):if tag in CustomParser.selected:self._level_stack.append(tag)def handle_endtag(self, tag):if self._level_stack \and tag in CustomParser.selected \and tag == self._level_stack[-1]:self._level_stack.pop()def handle_data(self, data):if “/”.join(self._level_stack) in (‘table/tr/td’,‘table/tr/td/h1/font’,‘table/tr/td/ul/li’):print self._level_stack, dataif len(sys.argv) > 1:params = urllib.urlencode({‘ip’: sys.argv[1], ‘action’: 2})else:params = Nonecontent = unicode(urllib.urlopen(‘http://www.ip138.com/ips8.asp’,params).read(), ‘GB2312′)parser = CustomParser()parser.feed(content)parser.close()