linux-kernel - Re: [PATCH] docs: license-rules.txt: cover SPDX headers on Python scripts

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Message-ID: <20190905134008.57cd3e89@lwn.net>
Date:   Thu, 5 Sep 2019 13:40:08 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org,
        Jessica Yu <jeyu@...nel.org>,
        Federico Vaga <federico.vaga@...a.pv.it>,
        Thomas Gleixner <tglx@...utronix.de>, linux-doc@...r.kernel.org
Subject: Re: [PATCH] docs: license-rules.txt: cover SPDX headers on Python
 scripts

On Thu, 5 Sep 2019 16:28:10 -0300
Mauro Carvalho Chehab <mchehab+samsung@...nel.org> wrote:

> I don't think we can count that python 3 uses utf-8 per default.
> 
> I strongly suspect that, if one uses a Python3 version < 3.7, it will
> still default to ASCII.
> 
> On a quick look, the new UTF-8 mode was added on PEP-540:
> 
> 	https://www.python.org/dev/peps/pep-0540/
> 
> Such change happened at Python 3.7. 

That PEP is to override the locale and use utf8 unconditionally.  It
says, with regard to the pre-PEP state:

	UTF-8 is also the default encoding of Python scripts, XML and JSON
	file formats.

Unicode was the reason for much of the Python 3 pain; it seems unlikely
that many installations are defaulting to ASCII anyway...?

jon