GNU bug report logs - #21242
24.5.1; python.el: should display output buffer on exceptions when using python-shell-send-region

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Yuri D'Elia <wavexx <at> thregr.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.5.1; python.el: should display output buffer on exceptions when
 using python-shell-send-region
Date: Wed, 12 Aug 2015 16:05:42 +0200

[Message part 1 (text/plain, inline)]

When evaluating the code interactively, there's currently no
notification about evaluation errors. Exceptions in the output buffer go
simply unnoticed, unless you watch for them closely. I like to keep the
output buffer buried, and assume that no-notification==no-error.

Exceptions caused by interactive evaluation should either:

- show a notification of sorts in the minibuffer
- display the output buffer for inspection

For inspiration about the second, see:

https://github.com/wavexx/python-x.el/blob/master/python-x.el#L424

Given previous experience with python-mode.el (which tends to break the
current window layout with his own splitting logic), I find it important
that the notification function (which displays the output buffer) should
be customizable, and this is reflected in the example code.

[python-buffer-substring.patch (text/x-diff, attachment)]

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