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

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Message-ID: <87sfvik21z.fsf@intel.com>
Date:   Sat, 27 Nov 2021 00:03:04 +0200
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Akira Yokosawa <akiyks@...il.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Hans Verkuil <hverkuil@...all.nl>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH] docs: conf.py: fix support for Readthedocs v 1.0.0

On Fri, 26 Nov 2021, Randy Dunlap <rdunlap@...radead.org> wrote:
> On 11/26/21 6:33 AM, Akira Yokosawa wrote:
>> Hi Mauro,
>> 
>> 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(-)
>> 
>> So I have an issue with this simple change.
>> As I said to Jon in another thread [1], in which Jon didn't show any
>> interest, this update changes the look of generated HTML pages
>> (I should say) rather drastically, and it looks quite distracting
>> for my eyes.  The style might be acceptable for API documentations,
>> but kernel-doc has abundant natural language contents.
>
> I agree 100% that the sans serif font is not desirable and not as
> easy on the eyes as the serif font is.
> Hopefully there is a way to change that.

Taking a step back, choosing the sphinx-rtd-theme to begin with was
purely arbitrary, I didn't put much effort into checking the
alternatives, and as far as I recall, neither did Jon. There were more
pressing issues at the time to get the documentation generation ball
rolling at all.

Obviously anyone can change the theme for themselves, and I guess the
question is rather what the default is, and, subsequently, what gets
used at [1].

I haven't followed the development on this closely, but I am somewhat
surprised at the amount of theme overrides having been added, and it
begs the question whether there'd perhaps be a readily available stock
theme that would be better suited than sphinx-rtd-theme?


BR,
Jani.


[1] https://www.kernel.org/doc/html/latest/



>
>> [1]: https://lkml.kernel.org/r/550fe790-b18d-f882-4c70-477b596facc7@gmail.com
>> 
>> I think there should be some knobs for customizing the styles.
>> But I don't know much about css.
>> 
>> Can anybody restore the current look of kernel-doc HTML pages
>> in a sphinx-rtd-theme-1.0.0-compatible way?
>> 
>> Sidenote:
>> 
>> The change (html_css_files) actually works with
>>     - Sphinx 1.7.9 + sphinx-rtd-theme 1.0.0
>> 
>> This contradicts the Sphinx documentation saying that html_css_files
>> was new to Sphinx 1.8.  This might be related to the changes in
>> sphinx-rtd-theme side, but I have no evidence.
>> 
>> Any suggestion is welcome!
>
> thanks.

-- 
Jani Nikula, Intel Open Source Graphics Center