Python httplib 模块，_CS_REQ_SENT 实例源码

def ReceiveRaw(self, **kw):
        '''Read a server reply, unconverted to any format and return it.
        '''
        if self.local.data: return self.local.data
        trace = self.trace
        while 1:
            response = self.local.h.getresponse()
            reply_code, reply_msg, self.local.reply_headers, self.local.data = \
                response.status, response.reason, response.msg, response.read()
            if trace:
                print >>trace, "_" * 33, time.ctime(time.time()), "RESPONSE:"
                for i in (reply_code, reply_msg,):
                    print >>trace, str(i)
                print >>trace, "-------"
                print >>trace, str(self.local.reply_headers)
                print >>trace, self.local.data
            saved = None
            for d in response.msg.getallmatchingheaders('set-cookie'):
                if d[0] in [ ' ', '\t' ]:
                    saved += d.strip()
                else:
                    if saved: self.cookies.load(saved)
                    saved = d.strip()
            if saved: self.cookies.load(saved)
            if response.status == 401:
                if not callable(self.http_callbacks.get(response.status,None)):
                    raise RuntimeError('HTTP Digest Authorization Failed')
                self.http_callbacks[response.status](response)
                continue
            if response.status != 100: break

            # The httplib doesn't understand the HTTP continuation header.
            # Horrible internals hack to patch things up.
            self.local.h._HTTPConnection__state = httplib._CS_REQ_SENT
            self.local.h._HTTPConnection__response = None
        return self.local.data