....
    <a href="/directory/download" class="btn btn-primary btn-xs" style="float: right;">Download</a>
    <table class="table table-striped">
    <thead>
      <tr>
        <th>Device</th>
        <th>Description</th>
        <th>Location</th>
        <th>Model</th>
      </tr>
    </thead>
    <tbody>
    {% for r in result %}
      <tr>
        <td>{{r.name}}</td>
        <td>{{r.description}}</td>
        <td>{{r.locationName.value}}</td>
        <td>{{r.model}}</td>
      </tr>
    {% endfor %}
    </tbody>
  </table>

    ...

def download(request):
    import csv

    #  print("downloading...")
    response = HttpResponse(content_type='text/csv')
    response['Content-Disposition'] = 'attachment; filename="report.csv"'
    writer = csv.writer(response)

    #  write table to csv file

    return response