Re: [cx-oracle-users] Choosing client libraries

[Anthony T. <ant...@gm...>]

I thought I was trying to help you?? :-)

I currently look for oraclient.dll in $ORACLE_HOME/bin on Windows and
for libclient.a in $ORACLE_HOME/lib on all other platforms. What you
suggest would be very Windows specific and cx_Oracle runs on a lot
more platforms than Windows. In addition, this is done by an external
program, not as part of the cx_Oracle module itself.

So did I answer your original question satisfactorily? Or have you
moved on since then??

On 1/21/06, Paul Watson <pw...@re...> wrote:
> >  Date: Fri, 20 Jan 2006 15:57:51 -0700
> >  From: Anthony Tuininga <ant...@gm...>
> >  To: cx-...@li...
> >  Subject: Re: [cx-oracle-users] Choosing client libraries
> >  Reply-To: cx-...@li...
> >
> >  Unfortunately Oracle does not provide the client version in its files
> >  anywhere so that information cannot be provided directly. You can
> >  check for the existence of certain attributes (like
> >  cx_Oracle.SessionPool is only available in 9i and up and
> >  cx_Oracle.Connection.module is only available in 10g and up) or
> >  something similar but I'm not aware of any other method of doing this.
> >  Recognize as well that since cx_Oracle is linked directly against the
> >  Oracle client libraries these must be present in order to even import
> >  the module. Windows seems to like to also put information in a message
> >  box (very unhelpful for server applications) when an import fails
> >  because of a linking problem.
> >
> >  The only effective means I have found of dealing with this is found in
> >  my cx_OracleDBATools package. I search $ORACLE_HOME/lib for files that
> >  are only found in 8i, 9i or 10g and then specifically import
> >  cx_Oracle_8i or cx_Oracle_9i or cx_Oracle_10g as cx_Oracle. In other
> >  words, you need to have each module available as a separate name and
> >  then decide which version you want to import yourself.
>
> The oci.dll library has the version information in the Windows VERSIONINF=
O structure.  At least, in the 8.1.7 client and the beta XE server packages=
 it does.  This can be accessed through the win32 module or directly using =
ctypes.
>
> Does this help?
>
>
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