bug#45938: [PATCH] Avoid ANSI escape characters (bug#45938)

[Eli Zaretskii <eliz@gnu.org>]

> Date: Tue, 27 Aug 2024 22:47:05 +0100
> From:  Evgenii Klimov via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> GNU Readline variables (colored-completion-prefix and colored-stats) set
> in .inputrc file by the user to improve GNU Readline output lead to
> corrupted completion candidates during native completion setup.
> 
> Like this:
> 
> ^[[01;35m0^[[0m^[[K__dummy_completion__  ^[[01;35m1^[[0m^[[K__dummy_completion__  
> 
> However this is expected:
> 
> 0__dummy_completion__  1__dummy_completion__  

kobarity, any comments to the suggested patch?

> diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
> index a00289d6de9..7193cc19425 100644
> --- a/lisp/progmodes/python.el
> +++ b/lisp/progmodes/python.el
> @@ -4549,6 +4549,9 @@ (defun python-shell-completion-native-setup ()
>              readline.parse_and_bind('tab: complete')
>              # Require just one tab to send output.
>              readline.parse_and_bind('set show-all-if-ambiguous on')
> +            # Avoid ANSI escape characters in the output
> +            readline.parse_and_bind('set colored-completion-prefix off')
> +            readline.parse_and_bind('set colored-stats off')
>              # Avoid replacing common prefix with ellipsis.
>              readline.parse_and_bind('set completion-prefix-display-length 0')
>  

Are these commands available in every version of Python?