Webkit - Get Source Code after JavaScript runs

#!/usr/bin/env python

import webkit, gtk

def get_source(webobj, frame):
    print "loading..."
    x = web.get_main_frame().get_data_source().get_data()
    print x

win = gtk.Window()

web = webkit.WebView()
web.open("http://filmsbykris.com")
web.connect("load-finished", get_source)

win.add(web)

win.show_all()

gtk.main()