Re: gnulib-tool: Use the Python implementation by default

[Pádraig Brady]

On 26/04/2024 10:48, Bruno Haible wrote:
> I committed this patch, which activates the Python rewrite of gnulib-tool
> for all users who have Python installed, without the need to set any
> environment variable. I'll make announcements to info-gnu and planet.gnu.org
> soon.

> +    if (python3 --version) >/dev/null 2>/dev/null \
> +       && case `python3 --version 2>&1` in
> +            Python\ 3.[0-6] | Python\ 3.[0-6].*) false ;;
> +            Python\ 3.*) true ;;
> +            *) false ;;
> +          esac; then

It may be preferable to state the supported version directly,
and replace the above 6 lines with:

  if python3 -c 'import sys; sys.exit(not sys.version_info >= (3,7))' 
2>/dev/null; then

> +      exec "$gnulib_dir/gnulib-tool.py" "$@"
> +    else
> +      echo "gnulib-tool: warning: python3 not found or too old, using the slow shell-based 
> implementation" 1>&2
> +      exec "$gnulib_dir/gnulib-tool.sh" "$@"
> +    fi
> +    ;;

I've updated to the latest gnulib now in coreutils,
and the auto python selection works well.

thanks!
Pádraig