<script>
var csrf_token = '{{csrf_token}}';
var descr_list_url = '{% url "projects:list_descriptors" project_id=project_id descriptor_type=descriptor_type%}';
<script>
var csrf_token = '{{csrf_token}}';
var descr_list_url = '{% url "projects:list_descriptors" project_id=project_id descriptor_type=descriptor_type%}';