GNU bug report logs - #75526
python.el uses treesit-declare-unavailable-functions despite requiring emacs >v24.4

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: JD Smith <jdtsmith <at> gmail.com>
Subject: bug#75526: closed (Re: bug#75526: python.el uses treesit-declare-unavailable-functions
 despite requiring emacs >v24.4)
Date: Sun, 02 Mar 2025 17:56:02 +0000

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Your bug report

#75526: python.el uses treesit-declare-unavailable-functions despite requiring emacs >v24.4

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 75526 <at> debbugs.gnu.org.

-- 
75526: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=75526
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefan Kangas <stefankangas <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Philip Kaludercic <philipk <at> posteo.net>
Cc: mail <at> daniel-mendler.de, casouri <at> gmail.com, 75526-done <at> debbugs.gnu.org,
 JD Smith <jdtsmith <at> gmail.com>
Subject: Re: bug#75526: python.el uses treesit-declare-unavailable-functions
 despite requiring emacs >v24.4
Date: Sun, 2 Mar 2025 09:55:23 -0800

Version: 31.1

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

> We definitely don't want to translate those into fontlock.
> AFAIK, there are just two ways to solve this:
>
> - Bump package-requires to Emacs-29.
> - Use (require 'treesit nil t) and than sprinkle enough `fboundp` tests
>   around treesitter code to allow loading `python.el` into Emacs<29.
>   It's perfectly OK if `python-ts-mode` doesn't work in Emacs<29.
>
> Bumping package-requires to 29 might not be a bad idea since noone
> complained (until now) in the 2½ years since we added (require 'treesit)
> to the code.

True, so let's just save us a ton of headache:

I have bumped the requirement to Emacs 29.1, which fixes all the
outstanding issues reported here.  With that, I'm closing this bug.

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From: JD Smith <jdtsmith <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: python.el uses treesit-declare-unavailable-functions despite
 requiring emacs >v24.4
Date: Sun, 12 Jan 2025 16:45:58 -0500

The TS support in python.el breaks versions of emacs prior to v30, since it calls the recently introduced macro `treesit-declare-unavailable-functions`.  The header still notes:

;; Version: 0.28
;; Package-Requires: ((emacs "24.4") (compat "29.1.1.0") (seq "2.23"))
;; Maintainer: emacs-devel <at> gnu.org

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