Re: [Rhythmbox-devel] python version in plugin

[Jonathan Matthew <jonathan d14n org>]

On Sun, Sep 25, 2011 at 11:30 PM, Ivar Eskerud Smith
<ivar eskerud gmail com> wrote:
> Hi, this might be more of a pure Python question... but:
> I am writing a upnp control point plugin using coherence for rhythmbox so
> that one can send whatever is played to a network mediarenderer, for
> instance a WDTV live. The problem is that on my system (kubuntu natty) I
> have both Python 2.6 and 2.7 installed, and as far as I have understood
> coherence is not tested against Python 2.7, so I`d like to try it with
> Python 2.6. It is Python 2.7 that is chosen when my plugin is run in
> rhythmbox, and I get an error about
> File "/usr/lib/pymodules/python2.6/dbus/service.py", line 252, in
> _method_reply_return
>     reply.append(signature=signature, *retval)
> ValueError: Unable to guess signature from an empty list
>
> How can I specify what modules/versions of Python to use? I know how I can
> check for the python version nr., but that does not help much. I want to
> tell the plugin to use python 2.6 or 2.5, if found.

You can't. Rhythmbox is linked to a specific version of the python
interpreter, and that's the version it uses.