GNU bug report logs - #32042
26.1; python-shell-send-buffer with ipython 6.x shows "plumbing" code along with python error message

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From: Noam Postavsky <npostavs <at> gmail.com>
To: Jaan Altosaar <altosaar <at> princeton.edu>
Cc: 32042 <at> debbugs.gnu.org
Subject: bug#32042: 26.1; python.el with ipython prompt leads to superfluous interactive shell output
Date: Mon, 02 Jul 2018 16:32:18 -0400

merge 32042 25753
quit

Jaan Altosaar <altosaar <at> princeton.edu> writes:

>   File "<ipython-input-1-57ce0cd600e5>", line 1, in <module>
>     import codecs, os;__pyfile =
> codecs.open('''/var/folders/qr/s_h2rhqj6kdg8qrj0zw2scnw0000gn/T/pyLbk6Vh''',
> encoding='''utf-8''');__code =
> __pyfile.read().encode('''utf-8''');__pyfile.close();os.remove('''/var/folders/qr/s_h2rhqj6kdg8qrj0zw2scnw0000gn/T/pyLbk6Vh''');exec(compile(__code,
> '''/Users/jaan/tmp/test.py''', 'exec'));

> Is there any way to clean up the output, especially the parts involving
> `codecs.open('''/var/folders/qr/s_h2rhqj6kdg8qrj0zw2scnw0000gn/T/pyLbk6Vh'''`?

Try installing gnureadline, as described in etc/PROBLEMS:

    *** In Inferior Python mode, input is echoed and native completion doesn't work.
    <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25753>

    This happens when python uses a libedit based readline module, which
    is the default on macOS.  This can be worked around by installing a
    GNU readline based module instead, for example, using setuptools

        sudo easy_install gnureadline

    And then rename the system's readline so that it won't be loaded:

        cd /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload
        mv readline.so readline.so.bak

    See <https://pypi.python.org/pypi/gnureadline> for more details on
    installation.

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