gistfile1.py

def example_view(request, id):
    obj = Model.objects.get(id=id)
    context = {}
    context['obj'] = obj
    reponse_html = render_to_string('path/to/template.html', context, context_instance=RequestContext(request))
    if request.is_ajax():
        context['html'] = response_html
        return HttpResponse(json.dumps(context), mimetype="application/json")
    return HttpResponse(response_html)