linux-kernel - Re: [PATCH] changes.rst: explain the usage of virtual environment

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Message-ID: <20170619074653.4fbcdd36@lwn.net>
Date:   Mon, 19 Jun 2017 07:46:53 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        SeongJae Park <sj38.park@...il.com>,
        Markus Heiser <markus.heiser@...marit.de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: Re: [PATCH] changes.rst: explain the usage of virtual environment

On Mon, 19 Jun 2017 06:08:37 -0700
Christoph Hellwig <hch@...radead.org> wrote:

> On Mon, Jun 19, 2017 at 08:24:10AM -0300, Mauro Carvalho Chehab wrote:
> > As the Sphinx build seems very fragile, specially for
> > PDF output, add a notice about how to use it on a virtual
> > environment.  
> 
> Please don't.  python venv are good at one thing only, and that is
> making a mess of your python module path.  Don't ever use them on a
> system that has proper package management.

Well, they are also good for running specific versions of a given package
without disrupting the setup of your system as a whole, and when even a
system with proper package management may not offer the version you need.

I guess my question with the patch is whether this text really belongs in
changes.rst, or whether it should be part of the doc-guide.

jon