How can I set a response that returned from the scrapy to QWebPage or QWebFrame?

[zhangzhenhu]

I'm making a ajax crawler that i want to used qtwebkit and scrapy.And now,the scrapy can make a request and get the response,so i do not use the Qwebkit to do it.So now,how can i give the response that returned by the scrapy to QWebPage or QWebFrame?
I'm a student and my English is bad,if you do not understand what i said you can email me,my email is acmtiger@gmail.com
Thanks for you help.