Python:防止urllib2 302自动跳转

例子

 

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, req, fp, code, msg, 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://phpno.com')

print html