* bug#20580: 25.0.50; python-shell-completion-complete-or-indent hangs emacs with ipython v 3.1.0
@ 2015-05-14 22:13 Andreas Tjärnberg
2015-07-06 5:04 ` Fabián Ezequiel Gallina
0 siblings, 1 reply; 2+ messages in thread
From: Andreas Tjärnberg @ 2015-05-14 22:13 UTC (permalink / raw)
To: 20580
Hi,
Short description:
When activating python with the ipython shell interpreter version 3.1.0
(latest) inside a virtual environment, TAB completion both in the
(run-python) shell and in a python file buffer hangs emacs.
I have to C-g to get back to the cursor.
Long description:
I use el-get to fetch the pyvenv package.
recipe to duplicate starting with:
$ emacs -q -l setup.el
8< cut here -------- setup.el -------- begin
(setq emacs-init-dir
(file-name-directory (or load-file-name (buffer-file-name))))
(setq el-get-dir (expand-file-name "el-get" emacs-init-dir))
(add-to-list 'load-path (concat emacs-init-dir "el-get/el-get"))
(unless (require 'el-get nil 'noerror)
(with-current-buffer
(url-retrieve-synchronously
"https://raw.github.com/dimitri/el-get/master/el-get-install.el")
(let (el-get-master-branch)
(goto-char (point-max))
(eval-print-last-sexp))))
(add-to-list 'el-get-recipe-path (concat emacs-init-dir "recipes"))
(el-get 'sync '(pyvenv))
(setq
python-shell-interpreter "ipython"
python-shell-interpreter-args "--no-confirm-exit --no-banner"
python-shell-prompt-regexp "In \\[[0-9]+\\]: "
python-shell-prompt-output-regexp "Out\\[[0-9]+\\]: ")
8< cut here -------------------------- end
now I proceed to create a virtual environment for python in the terminal
$ mkvirtualenv ipython_hangs_emacs
and install ipython with:
$ pip install ipython
Inside emacs I now use pyvenv-workon to work in this virtual environment.
and do
M-x run-python
Here is where the trouble start. The command hangs emacs but still
launches a *Python* shell buffer. C-g will give back control to me.
Now switching to the *Python* buffer and pressing TAB will hang emacs
until I C-g.
Running the code from the command
(message python-shell-completion-setup-code)
directly in the python shell
will complete without error, and I can call the function
';'.join(__PYTHON_EL_get_completions('''%s'''))
from the variable (python-shell-completion-module-string-code),
typed in to the python buffer with %s changed to something like "from sy"
will return a string with completions.
If I just run the above with the ipython version got from apt-get in Ubuntu,
everything works as expected but switching to an environment and
pip installing ipython doesn't.
The TAB key is mapped to (python-shell-completion-complete-or-indent)
but the code for completion seems to work,
however the help "C-h f" buffer does not suggest a file of origin for
this function so I
couldn't go further and doubt it would have helped any way becouse my
elisp knowledge only stretch so far.
But I assume, based on this, that the issue is there somewhere.
Thank you for your help.
Regards
Andreas
-------------------------------------------------------------------------
In GNU Emacs 25.0.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.10.8)
of 2015-05-08 on lgw01-14
Windowing system distributor `The X.Org Foundation', version 11.0.11501000
System Description: Ubuntu 14.04.2 LTS
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2015-05-14 22:13 bug#20580: 25.0.50; python-shell-completion-complete-or-indent hangs emacs with ipython v 3.1.0 Andreas Tjärnberg
2015-07-06 5:04 ` Fabián Ezequiel Gallina
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