title: cx_Oracle with Windows authentication
body: <p>I would like to make cx_Oracle work with Windows OS authentication but fail miserably:</p>
  
  <ol>
  <li><p>I know that with pyodbc you can make it work using <code>trusted_connection='yes'</code> but I have to make use of the Oracle client (11g/12c), which does not seem to go well in hand with pyodbc.</p></li>
  <li><p>The closest to what I need seems to be the use of <a href="https://stackoverflow.com/questions/10485145/authentication-with-public-keys-and-cx-oracle-using-python">Wallets</a>. However, duplicating existing information does not seem like the way to go.</p></li>
  <li><p>There is mention of external authentication in the <a href="http://cx-oracle.readthedocs.io/en/latest/releasenotes.html" rel="nofollow noreferrer">cx_Oracle 5.2.1 release notes</a> but this also seems related to wallets.</p></li>
  </ol>
  
  <p>I hope that some clever person out there can point me in the right direction, thanks :)</p>