A snippet of a twisted server (python) that returns a crossdomain xml file

gistfile1.py

class RootResource(Resource):
    def __init__(self):
        Resource.__init__(self)
        self.putChild('heartbeat', HeartbeatResource())
        self.putChild('launch', LaunchResource())
        self.putChild('get_port', GetPortResource())
        self.putChild('crossdomain.xml', Grahh())
        self.putChild('style.css', static.File("style.css"))
        self.putChild('jquery.min.js', static.File("jquery.min.js"))
        self.putChild('sketchup.js', static.File("sketchup.js"))
        
        self.putChild('lewis-hall', InstanceResource("lewis-hall"))
        self.putChild('uw-campus', InstanceResource("uw-campus"))

class Grahh(Resource):
    def __init__(self):
        Resource.__init__(self)
        
    def render_GET(self, request):
        s = "<?xml version=\"1.0\"?>\n<!DOCTYPE cross-domain-policy SYSTEM \"http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd\">\n<cross-domain-policy>\n\t<allow-access-from domain=\"*\" to-ports=\"*\" secure=\"false\"/>\n</cross-domain-policy>"
        return s