linux-kernel - Re: [PATCH] docs: conf.py: fix support for Readthedocs v 1.0.0

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Message-ID: <YaDb5nMm88NwDOiF@pendragon.ideasonboard.com>
Date:   Fri, 26 Nov 2021 15:06:46 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Hans Verkuil <hverkuil@...all.nl>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] docs: conf.py: fix support for Readthedocs v 1.0.0

Hi Mauro,

Thank you for the patch.

On Fri, Nov 26, 2021 at 11:50:53AM +0100, Mauro Carvalho Chehab wrote:
> As described at:
> 	https://stackoverflow.com/questions/23211695/modifying-content-width-of-the-sphinx-theme-read-the-docs
> 
> since Sphinx 1.8, the standard way to setup a custom theme is
> to use html_css_files. While using html_context is OK with RTD
> 0.5.2, it doesn't work with 1.0.0, causing the theme to not load,
> producing a very weird html.
> 
> Tested with:
> 	- Sphinx 2.4.4 + sphinx-rtd-theme 0.5.2
> 	- Sphinx 2.4.4 + sphinx-rtd-theme 1.0.0
> 	- Sphinx 4.3.0 + sphinx-rtd-theme 1.0.0
> 
> Reported-by: Hans Verkuil <hverkuil@...all.nl>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  Documentation/conf.py | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/conf.py b/Documentation/conf.py
> index 17f7cee56987..7bc72be63fd2 100644
> --- a/Documentation/conf.py
> +++ b/Documentation/conf.py
> @@ -249,11 +249,16 @@ except ImportError:
>  
>  html_static_path = ['sphinx-static']
>  
> -html_context = {
> -    'css_files': [
> +if major <= 1 and (minor < 8):

No need for parentheses.

> +    html_context = {
> +        'css_files': [
> +            '_static/theme_overrides.css',
> +        ],
> +    }
> +else:
> +    html_css_files = [
>          '_static/theme_overrides.css',
> -    ],
> -}
> +    ]

You could also write

html_css_files = [
    '_static/theme_overrides.css',
]

if major <= 1 and minor < 8:
    html_context = {
        'css_files': html_css_files,
    }

which would be slightly easier to drop when support for sphinx 1.7
(which is the minimum required version) is removed.

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

>  # Add any extra paths that contain custom files (such as robots.txt or
>  # .htaccess) here, relative to this directory. These files are copied

-- 
Regards,

Laurent Pinchart