JS Sentry Config in a Django template

index.html

{% if settings.SENTRY_DSN %}
<script src="https://cdn.ravenjs.com/2.2.0/raven.min.js"></script>
<script>Raven.config('{{ settings.SENTRY_DSN }}').install()</script>
<script>
  $(document).ajaxError(function(event, jqXHR, ajaxSettings, thrownError) {
    Raven.captureMessage('Ajax: (' + jqXHR.status + ') "' + thrownError || jqXHR.statusText + '" at ' + ajaxSettings.url, {
      extra: {
        type: ajaxSettings.type,
        url: ajaxSettings.url,
        data: ajaxSettings.data,
        status: jqXHR.status,
        error: thrownError || jqXHR.statusText,
        response: jqXHR.responseText.substring(0, 2048)
      }
    });
  });
</script>
{% endif %}