[DB-SIG] ImportError: cx_Oracle and the missing DLL

Sean Steeg steegness at hotmail.com
Thu Oct 30 14:52:17 EST 2003

After putting Google and its search brethern to task for the past few hours, 
I've decided to come seeking assistance here.

I'm attempting to use cx_Oracle for 8i, via the Windows Installer for Python 
2.3 found on their website for the task (installing onto Windows NT). The 
install went smoothly enough (the file ended up in 
C:\Python23\Lib\site-packages\cx_Oracle.pyd), and I thought I'd be all set.  
Instead I get the error below, which indicates a failure to find a DLL file, 
but not which one.

Locally, I'm running for all my connection/SQLPlus/EasyConfig/etc 
needs, and 'm trying to connect to an 8i server, but I doubt the 
last piece matters, since it's failing on the import.

I'm fairly comfortable with python, but not at all with C, DLLs, and the 
like, so this error is outside of my zone.  Might anyone here have some 
suggestions for tracking down the problem, or better yet, solving it 


------the error--------
PythonWin 2.3.2 (#49, Oct  2 2003, 20:02:00) [MSC v.1200 32 bit (Intel)] on 
Portions Copyright 1994-2001 Mark Hammond (mhammond at skippinet.com.au) - see 
'Help/About PythonWin' for further copyright information.
>>>import cx_Oracle
Traceback (most recent call last):
  File "<interactive input>", line 1, in ?
ImportError: DLL load failed: The specified procedure could not be found.

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