GNU bug report logs - #16875
python, comint-mode: Large output makes Emacs freeze

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

From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
To: bug-gnu-emacs <at> gnu.org
Subject: python, comint-mode: Large output makes Emacs freeze
Date: Tue, 25 Feb 2014 10:21:43 +0100

May confirm what is reported here:

http://stackoverflow.com/questions/20128425/can-i-stop-the-repl-locking-up-when-using-emacs-and-python

Form sent is

[[[False] * 200 for i in range(3)] for j in range(200)]

Does only occur with plain Python-shell, not if IPython is running.

IIUC that's because IPython return is passed through a kind of pretty-print, inserting newlines.

Comints dealing with long lines seems the cause.

With process-send-string it works.

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