Re: libpq problem

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mattia tortorelli wrote:
> Hi all!
> 
>  
> 
> I?m trying to install trac 0.9.3 on a Linux RedHat Enterprise 4 server,
> I got Python 2.3 and 2.4 and I?ve installed pyPgSQL 2.3 and 2.4
> respectively. When I try to create a new environment with the trac-admin
> command, this use pyPgSQL to connect to a PgSQL database but it gives me
> the next error: [...]

There is no pyPgSQL 2.4 released, yet.

> /usr/lib/python2.4/site-packages/pyPgSQL/libpq/__init__.py:23:
> RuntimeWarning: Python C API version mismatch for module libpq: This
> Python has API version 1012, module libpq has version 1011.
> 
>   from libpq import *
> 
> *** glibc detected *** free(): invalid pointer: 0xb7ed83c0 ***
> 

This error message comes from using an extension module compiled for one
Python major version in a different Python major version.

Most likely you're using a binary install of pyPgSQL compiled for Python
2.3 under Python 2.4.

One solution is to compile pyPgSQL for Python 2.4 yourself.

- -- Gerhard
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