controller.py 文件源码

def render(self, request):
        """First, check to see if this request is attempting to hook up the
        output conduit. If so, do it. Otherwise, unlink the current session's
        View from the MVC notification infrastructure, then render the page
        normally.
        """
        # Check to see if we're hooking up an output conduit
        sess = request.getSession(interfaces.IWovenLivePage)
        #print "REQUEST.ARGS", request.args
        if request.args.has_key('woven_hookupOutputConduitToThisFrame'):
            sess.hookupOutputConduit(request)
            return server.NOT_DONE_YET
        if request.args.has_key('woven_clientSideEventName'):
            try:
                request.d = microdom.parseString('<xml/>', caseInsensitive=0, preserveCase=0)
                eventName = request.args['woven_clientSideEventName'][0]
                eventTarget = request.args['woven_clientSideEventTarget'][0]
                eventArgs = request.args.get('woven_clientSideEventArguments', [])
                #print "EVENT", eventName, eventTarget, eventArgs
                return self.clientToServerEvent(request, eventName, eventTarget, eventArgs)
            except:
                fail = failure.Failure()
                self.view.renderFailure(fail, request)
                return server.NOT_DONE_YET

        # Unlink the current page in this user's session from MVC notifications
        page = sess.getCurrentPage()
        #request.currentId = getattr(sess, 'currentId', 0)
        if page is not None:
            page.view.unlinkViews()
            sess.setCurrentPage(None)
        #print "PAGE SESSION IS NONE"
        self.pageSession = None
        return Controller.render(self, request)