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IPython 8.5.0. doesn't properly scroll my history when using up/down arrow keys. Yet, the %history command still gives me the proper history. Furthermore, "search previous command history" also still works. I have had these issues ever since I upgraded IPython from 7.15.0. to 8.5.0..

Example:

In [1]: x = 1                                                                                                                                                                                                                                                                                                                                                                                                                            


In [2]: y = 2


In [3]: %history

x = 1
y = 2
%history

If I now press the up-arrow (or CTRL+P), IPython cycles through some old code (seemingly random at each restart of IPython). However typing x and up-arrow will result in the historical x = 1 statement. I want the up-arrow without typing anything to give me the last used statement.

up-arrow used to work for me in version 7.15.0., but now the issue persists for versions 8.2.0. until 8.5.0.. Is this just a change for the newer IPython versions?

All versions were installed on Ubuntu 20.04.5 LTS with pip 22.2.2. I installed readline version 6.2.4.1 .

Any help would be much appreciated.

Miss Understood
  • 81
  • I am having the same issue. Could this be related to the LXterminal as in here https://github.com/ipython/ipython/issues/10984 ? – dresio Sep 27 '22 at 14:30

1 Answers1

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This was an issue in prompt-toolkit; IPython 8.7.0 and above pin to a newer version that fixes this issue.

Beau
  • 111
  • Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers in the help center. – Community Apr 02 '23 at 09:55