From: Glenn Morris <rgm@gnu.org>
To: Balint Reczey <balint.reczey@canonical.com>
Cc: 45655@debbugs.gnu.org
Subject: bug#45655: Please use 'python3' command instead of 'python'
Date: Wed, 06 Jan 2021 11:59:28 -0500 [thread overview]
Message-ID: <5kczyim26n.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <CAG+KjmMqr-w7nRRHCwhsP2M4xyKL4O1yk88CpBXUjLWN-5YAvw@mail.gmail.com> (Balint Reczey's message of "Mon, 4 Jan 2021 16:14:02 +0100")
Balint Reczey wrote:
> Python 2 reached EOL about a year ago thus the 'python' command may be
> missing on some systems. 'python3' is the standard way of invoking the
> Python 3 interpreter, thus Emacs would have a better chance trying
> that.
>
> The attached patch is already carried in Ubuntu.
Thanks for the report.
> --- a/lisp/ldefs-boot.el
> +++ b/lisp/ldefs-boot.el
> @@ -26539,7 +26539,7 @@
>
> (add-to-list 'interpreter-mode-alist (cons (purecopy "python[0-9.]*") 'python-mode))
>
> -(autoload 'run-python "python" "\
> +(autoload 'run-python "python3" "\
This bit is wrong. Firstly, ldefs-boot is a generated file, and
secondly, unless Ubuntu is distributing a python3.el, it would just
break the autoload.
> --- a/lisp/progmodes/python.el
> +++ b/lisp/progmodes/python.el
> @@ -1952,7 +1952,7 @@
> :group 'python
> :safe 'stringp)
>
> -(defcustom python-shell-interpreter "python"
> +(defcustom python-shell-interpreter "python3"
(if (executable-find "python3") "python3" "python")
is probably how Emacs would normally handle this kind of thing.
Or if defaulting to python3 is better (I guess it is):
(cond ((executable-find "python3") "python3")
((executable-find "python") "python")
(t "python3"))
next prev parent reply other threads:[~2021-01-06 16:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-04 15:14 bug#45655: Please use 'python3' command instead of 'python' Balint Reczey
2021-01-06 16:59 ` Glenn Morris [this message]
2021-01-06 17:47 ` Balint Reczey
2021-01-10 14:49 ` Lars Ingebrigtsen
2021-01-10 17:42 ` Stefan Monnier
2021-01-10 17:49 ` Balint Reczey
2021-01-10 20:48 ` Stefan Monnier
2021-01-11 5:17 ` Pankaj Jangid
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