title: python validate Oracle username/passwords without using cx_Oracle
body: <p>I need to validate that user provided data for oracle account information is correct.  I tried to use cx_Oracle but the version of OCI.DLL that is on my servers (which I can't upgrade) seems to not be the correct version for cx_Oracle.</p>
  
  <p>How can I validate username/passwords without using cx_Oracle?</p>