fw.py 文件源码

def make_network_absolute(self):
        """Ensures that this URL has a scheme, hostname and port matching that of the current Request URL."""
        # Note: It is tempting to want to use request.scheme, request.server_name and request.server_port
        #       in this method.
        #
        #       But, request.server_name can be different from request_url.hostname; and if this
        #       happens, and you use it here, the changed url will result in invalidating the existing
        #       session cookie on the client which is bound to the request_url.hostname by the browser.
        #
        request_url = Url.get_current_url()
        self.scheme = self.scheme or request_url.scheme
        self.hostname = self.hostname or request_url.hostname
        self.port = self.port or request_url.port