net.py 文件源码

def _update_opener(self):
        '''
        Builds and installs a new opener to be used by all future calls to 
        :func:`urllib2.urlopen`.
        '''
        if self._http_debug:
            http = urllib2.HTTPHandler(debuglevel=1)
        else:
            http = urllib2.HTTPHandler()

        if self._proxy:
            opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self._cj),
                                          urllib2.ProxyHandler({'http': 
                                                                self._proxy}), 
                                          urllib2.HTTPBasicAuthHandler(),
                                          http)

        else:
            opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self._cj),
                                          urllib2.HTTPBasicAuthHandler(),
                                          http)
        urllib2.install_opener(opener)