linux-kernel - Re: [PATCH] scripts/sphinx-pre-install: add '-p python3' to virtualenv

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Message-ID: <20200302130911.05a7e465@lwn.net>
Date:   Mon, 2 Mar 2020 13:09:11 -0700
From:   Jonathan Corbet <corbet@....net>
To:     tbird20d@...il.com
Cc:     mchehab@...nel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, tim.bird@...y.com
Subject: Re: [PATCH] scripts/sphinx-pre-install: add '-p python3' to
 virtualenv

On Mon, 24 Feb 2020 18:34:41 -0700
tbird20d@...il.com wrote:

> With Ubuntu 16.04 (and presumably Debian distros of the same age),
> the instructions for setting up a python virtual environment should
> do so with the python 3 interpreter.  On these older distros, the
> default python (and virtualenv command) might be python2 based.
> 
> Some of the packages that sphinx relies on are now only available
> for python3.  If you don't specify the python3 interpreter for
> the virtualenv, you get errors when doing the pip installs for
> various packages
> 
> Fix this by adding '-p python3' to the virtualenv recommendation
> line.
> 
> Signed-off-by: Tim Bird <tim.bird@...y.com>

I've applied this, even though it feels a bit fragile to me.  But Python
stuff can be a bit that way, sometimes, I guess.

Thanks,

jon