def render(self, request):
        rend = self.rend
        if rend.im_func is not Element.__dict__['rend']:
            context = _ctxForRequest(request, [], self, False)
            return rend(context, None)

        docFactory = self.docFactory
        if docFactory is None:
            raise MissingDocumentFactory(self)
        return docFactory.load(None, _getPreprocessors(self))
Load and return C{self.docFactory}.
dataset/ETHPy150Open twisted/nevow/nevow/page.py/Element.render