text: var csrf_token;
  $(function () {
      // This requires that we used Jinja2's {% csrf_input %} somewhere on the page.
      var csrf_input = $('input[name="csrfmiddlewaretoken"]');
      if (csrf_input.length > 0) {
          csrf_token = csrf_input.attr('value');
      } else {
          csrf_token = undefined;
      }
      window.csrf_token = csrf_token;
  
      if (csrf_token === undefined) {
          return;
      }
  
      $.ajaxSetup({
          beforeSend: function (xhr, settings) {
              if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
                  // Only send the token to relative URLs i.e. locally.
                  xhr.setRequestHeader("X-CSRFToken", csrf_token);
              }
          },
      });
  });
  