说明:python的urllib2获取网页(urlopen)会自动重定向(301,302)。但是,有时候我们需要获取302,301页面的状态信息。就必须获取到转向前的调试信息。
#!/usr/bin/python # -*- coding: utf-8 -*- #encoding=utf-8 #Filename:states_code.py import urllib2 class RedirctHandler(urllib2.HTTPRedirectHandler): """docstring for RedirctHandler""" def http_error_301(self,req,fp,code,msg,headers): pass def http_error_302(self,headers): pass def getUnRedirectUrl(url,timeout=10): req = urllib2.Request(url) debug_handler = urllib2.HTTPHandler(debuglevel = 1) opener = urllib2.build_opener(debug_handler,RedirctHandler) html = None response = None try: response = opener.open(url,timeout=timeout) html = response.read() except urllib2.URLError as e: if hasattr(e,'code'): error_info = e.code elif hasattr(e,'reason'): error_info = e.reason finally: if response: response.close() if html: return html else: return error_info html = getUnRedirectUrl('http://jb51.net') print html
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