title: Django-Python : Check if network file exists from web client
body: <p>I would like to know if a network file exists from web client.
  On the server in localhost, it works (return True) but return False with IP adress.</p>
  <p>Code :</p>
  <pre><code>folder = &quot;\\IP\dir_test&quot;
  id = &quot;123456&quot;
  filename = &quot;{}.pdf&quot;.format(str(id))
  path = os.path.abspath(folder, filename)
  check = os.path.isfile(path)
  return check
  </code></pre>
  <p>Thanks for your help.</p>
  <p>Ben.</p>