[mod_python] How to get mod_python's running version?

Nicolas Lehuen nicolas.lehuen at gmail.com
Thu May 19 02:24:41 EDT 2005

Depending on your configuration, the mod_python version number appears
in your server identification string (this is configured by the
ServerTokens directive in httpd.conf).

You can then get mod_python's version number by parsing the
SERVER_SOFTWARE environment variable obtained by :


Have a look at the upcoming testhandler which output a bunch of
diagnostic information :




2005/5/19, Graham Dumpleton <grahamd at dscpl.com.au>:
> dharana wrote ..
> > Is it possible to get the version mod_python is currently running?
> >
> > (Background: an script that checks all necessary packages are available
> > and that they are at least x.y.z version)
> I may be missing the obvious, but don't recollect ever seeing a
> version tag and couldn't find when I looked again just then.
> Is this script mean't to be able to run on a command line or is
> executing under mod_python itself?
> The problem with trying to run a standalone script to determine
> something about mod_python is that mod_python will not fully
> load if not imported from within the context of an interpretor
> running under Apache. The best I have managed to come up with
> as a guide to determining which version of mod_python is to
> try and import the psp module and see what sort of import error
> occurs. See the description in:
>   http://www.dscpl.com.au/projects/vampire/articles/modpython-001.html#version-number
> >From code running under mod_python itself, there are a few
> subtle differences in member data present in the request object
> which one can used to determine between 2.7 and 3.1. For
> example:
>     if hasattr(req,"hlist"):
>       # In mod_python 3.X have the req.hlist member.
>       handler_root = req.hlist.directory
>     elif hasattr(req,"get_dirs"):
>       # In mod_python 2.X have the req.get_dirs() method.
>       handler_root = req.get_dirs()["PythonHandler"]
> Don't know if this helps or not.
> Graham
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