linux-kernel - Re: [PATCH v2] docs: scripts: sphinx-pre-install: Fix building docs with pyyaml package

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Date: Thu, 8 Feb 2024 17:37:53 +0100
From: Vegard Nossum <vegard.nossum@...cle.com>
To: Thorsten Blum <thorsten.blum@...lux.com>
Cc: corbet@....net, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        mchehab@...nel.org
Subject: Re: [PATCH v2] docs: scripts: sphinx-pre-install: Fix building docs
 with pyyaml package


On 08/02/2024 14:13, Thorsten Blum wrote:
> The Python module pyyaml is required to build the docs, but it is only
> listed in Documentation/sphinx/requirements.txt and is therefore missing
> when Sphinx is installed as a package and not via pip/pypi.
> 
> Add pyyaml as an optional package for Debian- and Red Hat-based distros to
s/optional/required/ ? Given...

> fix building the docs if you prefer to install Sphinx as a package.
> 
> Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
> ---
> Changes in v2:
> - s/pyyaml/yaml/ as suggested by Vegard Nossum <vegard.nossum@...cle.com>
> - Make the check require the Python module; was optional

..this ^

> ---
>   scripts/sphinx-pre-install | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
> index 25aefbb35377..7e49a020c25e 100755
> --- a/scripts/sphinx-pre-install
> +++ b/scripts/sphinx-pre-install
> @@ -361,6 +361,7 @@ sub give_debian_hints()
>   {
>   	my %map = (
>   		"python-sphinx"		=> "python3-sphinx",
> +		"yaml"			=> "python3-yaml",
>   		"ensurepip"		=> "python3-venv",
>   		"virtualenv"		=> "virtualenv",
>   		"dot"			=> "graphviz",
> @@ -395,6 +396,7 @@ sub give_redhat_hints()
>   {
>   	my %map = (
>   		"python-sphinx"		=> "python3-sphinx",
> +		"yaml"			=> "python3-pyyaml",
>   		"virtualenv"		=> "python3-virtualenv",
>   		"dot"			=> "graphviz",
>   		"convert"		=> "ImageMagick",
> @@ -951,6 +953,7 @@ sub check_needs()
>   
>   	# Check for needed programs/tools
>   	check_perl_module("Pod::Usage", 0);
> +	check_python_module("yaml", 0);
>   	check_program("make", 0);
>   	check_program("gcc", 0);
>   	check_program("dot", 1);

This seems to work.

Reviewed-by: Vegard Nossum <vegard.nossum@...cle.com>
Tested-by: Vegard Nossum <vegard.nossum@...cle.com>

Can/should we add it to give_opensuse_hints() as well, given that it
also apparently allows you to install Sphinx via the distro package
manager? (Not sure about mageia/arch/gentoo.)


Vegard