GNU bug report logs - #47575
python-shell-completion-at-point omits %magic commands

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: JD Smith <jdtsmith <at> gmail.com>
Cc: 47575 <at> debbugs.gnu.org, Andrii Kolomoiets <andreyk.mad <at> gmail.com>
Subject: bug#47575: python-shell-completion-at-point omits %magic commands
Date: Thu, 06 May 2021 13:05:04 +0200

JD Smith <jdtsmith <at> gmail.com> writes:

> When using iPython as the inferior shell of python.el,
> `python-shell-completion-at-point' skips a `simple-operator’ regexp which include
> ?%.  In iPython, magic commands begin with ‘%’, and the fallback completion
> method happily provides them for completion:
>
>  In [67]: __PYTHON_EL_get_completions("%ru")
>  Out[91]: ['%%ruby', '%run’]
>
> python-shell-completion-at-point trims this to “ru”, which also provides the same
> completions above, but which `try-completions’ rejects as non-matching.   So that:
>
>  In [1]: %ru[Tab]
>
> Leads to “No matches”.
>
> The solution would be to not skip the ?% character if it is at the start of the line.  The
> modulo operator cannot occur there in any case. 

The simple-operator was added to fix bug#37808 in:

commit 51d3c95147efa80fd3e09c90705439517e8fb6ca
Author:     Andrii Kolomoiets <andreyk.mad <at> gmail.com>
AuthorDate: Fri Oct 18 16:04:32 2019 +0300

I've added Andrii to the CCs.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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