quadfile/templates/upload.html

{% extends "layout.html" %}
{% block body %}
  <form action="" id="form" name="fileForm" method="post" enctype="multipart/form-data" class="uploadForm">
    <div class="uploadButton">
      <p>
        Select a file
      </p>
      <input id="file" type="file" name="file">
    </div>
    <input type="hidden" name="source" value="web">
  </form>
  <script>
  document.getElementById("file").onchange = function() {
    document.getElementById("form").submit();
  };
  </script>
{% endblock %}