GNU bug report logs - #61463
29.0.60; python-shell-send-region moves point

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Augusto Stoffel <arstoffel <at> gmail.com>
Subject: bug#61463: closed (Re: bug#61463: 29.0.60; python-shell-send-region
 moves point)
Date: Sat, 18 Feb 2023 16:46:02 +0000

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Your bug report

#61463: 29.0.60; python-shell-send-region moves point

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 61463 <at> debbugs.gnu.org.

-- 
61463: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=61463
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: kobarity <kobarity <at> gmail.com>
Cc: 61463-done <at> debbugs.gnu.org, arstoffel <at> gmail.com
Subject: Re: bug#61463: 29.0.60; python-shell-send-region moves point
Date: Sat, 18 Feb 2023 18:45:17 +0200

> Cc: 61463 <at> debbugs.gnu.org
> Date: Tue, 14 Feb 2023 00:43:39 +0900
> From: kobarity <kobarity <at> gmail.com>
> 
> Augusto Stoffel wrote:
> > On Emacs -Q:
> > 
> > 1) M-x run-python
> > 2) In the scratch buffer, type something, say 1 + 2 and mark it, leaving
> >    point at the end.
> > 3) M-x python-shell-send-string
> 
> Probably a typo of python-shell-send-region.
> 
> > Now the point is at the beginning of the region.  It was supposed not to
> > move.
> > 
> > I suspect this might be due to a missing `save-excursion' in the
> > definition of the local variable `single-p' in python.el.
> 
> Thank you for pointing that out.  You are right, `single-p' needs
> `save-excursion'.  The same bug exists in `starts-at-first-line-p'.
> I'm sorry for those bugs.
> 
> Atatched is a fix for this problem with improved ERTs to detect this
> issue.

Thanks, installed on the emacs-29 branch, and closing the bug.

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From: Augusto Stoffel <arstoffel <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.60; python-shell-send-region moves point
Date: Sun, 12 Feb 2023 22:55:07 +0100

On Emacs -Q:

1) M-x run-python
2) In the scratch buffer, type something, say 1 + 2 and mark it, leaving
   point at the end.
3) M-x python-shell-send-string

Now the point is at the beginning of the region.  It was supposed not to
move.

I suspect this might be due to a missing `save-excursion' in the
definition of the local variable `single-p' in python.el.

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