* ob-ipyton ImportError: No module named 'jupyter_client'
@ 2018-07-03 6:54 Uwe Brauer
2018-07-03 9:27 ` [SOLVED:HOWTO] (was: ob-ipyton ImportError: No module named 'jupyter_client') Uwe Brauer
0 siblings, 1 reply; 2+ messages in thread
From: Uwe Brauer @ 2018-07-03 6:54 UTC (permalink / raw)
To: emacs-orgmode
Hi
I opened an issue on https://github.com/gregsexton/ob-ipython/issues/186
about the following problem I am facing, but maybe somebody on the list,
in a similar environment has solved it already and that is why I post
it here.
I am running Ubuntu 16.04, upgraded to pip 9.03 (because pip 10 has a
bug), running emacs git master from June.
I installed your package via melpa, then
I installed, via pip, the matlab kernel and the jupyter client. Both are
in
/usr/local/lib/python2.7/dist-packages
drwxrwsr-x 40 root staff 4.0K Jul 2 11:26 .
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 matlab_kernel
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 matlab_kernel-0.15.1.dist-info
drwxr-sr-x 6 root staff 4.0K Jul 2 11:26 metakernel
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 metakernel-0.20.14.dist-info
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 ipykernel-4.8.2.dist-info
drwxr-sr-x 8 root staff 4.0K Jul 2 11:26 ipykernel
-rw-r--r-- 1 root staff 552 Jul 2 11:26 ipykernel_launcher.pyc
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 ipython-5.7.0.dist-info
drwxr-sr-x 11 root staff 4.0K Jul 2 11:26 IPython
drwxr-sr-x 5 root staff 4.0K Jul 2 11:26 jupyter_client
drwxr-sr-x 2 root staff 4.0K Jul 2 11:26 jupyter_client-5.2.3.dist-info
Now following the advice of John Kitchin, I try to execute the following
code
#+BEGIN_SRC emacs-lisp
(add-to-list 'org-src-lang-modes '("matlab" . matlab))
;; set default headers for convenience
(setq org-babel-default-header-args:matlab
'((:results . "output replace")
(:session . "matlab")
(:kernel . "matlab")
(:exports . "code")
(:cache . "no")
(:noweb . "no")
(:hlines . "no")
(:tangle . "no")))
(defalias 'org-babel-execute:matlab 'org-babel-execute:ipython)
(defalias 'org-babel-prep-session:matlab 'org-babel-prep-session:ipython)
(defalias 'org-babel-matlab-initiate-session 'org-babel-ipython-initiate-session)
#+END_SRC
#+RESULTS:
: org-babel-matlab-initiate-session
#+BEGIN_SRC matlab :results output org drawer
x = [1, 2, 3, 4, 5];
fprintf('|%d', x)
#+END_SRC
But I obtain the following error in the debug buffer
Traceback (most recent call last):
File "/home/oub/.emacs.d/elpa/ob-ipython-20180224.153/client.py", line 1, in <module>
import jupyter_client as client
ImportError: No module named 'jupyter_client'
I also tried the example provided in
https://github.com/gregsexton/ob-ipython
but the result was the same.
So how shall I modify that line in the client.py?
Thanks and regards
Uwe Brauer
^ permalink raw reply [flat|nested] 2+ messages in thread
* [SOLVED:HOWTO] (was: ob-ipyton ImportError: No module named 'jupyter_client')
2018-07-03 6:54 ob-ipyton ImportError: No module named 'jupyter_client' Uwe Brauer
@ 2018-07-03 9:27 ` Uwe Brauer
0 siblings, 0 replies; 2+ messages in thread
From: Uwe Brauer @ 2018-07-03 9:27 UTC (permalink / raw)
To: emacs-orgmode
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>>> "Uwe" == Uwe Brauer <oub@mat.ucm.es> writes:
Hi
I think I solved the issue. Here are some instructions which might be
useful.
ob-ipython seems to work with python3 not 2.X
So the first thing is to run (Ubuntu/Debian)
* Installation of jupyter and the matlab_kernel
sudo apt-get install python3-setuptools
sudo -H python3 -m pip install jupyter
% there is a conflict with the pexpect package as shipped with
Debian/Ubuntu.
sudo apt-get remove python3-pexpect
sudo -H python3 -m pip install pexpect
sudo -H python3 -m pip install matlab_kernel
** Install the python API for matlab.
MATLABROOT=/usr/local/MATLAB/R2016b
Cd $MATLABROOT/extern/engines/
sudo -H python3 setup.py install
** Start the engine Run
Python3
import matlab.engine
eng = matlab.engine.start_matlab()
Configure babel
#+BEGIN_SRC emacs-lisp
(setq org-confirm-babel-evaluate nil) ;don't prompt me to confirm everytime I want to evaluate a block
;;; display/update images in the buffer after I evaluate
(add-hook 'org-babel-after-execute-hook 'org-display-inline-images 'append)
(add-to-list 'org-src-lang-modes '("matlab" . matlab))
(setq python-shell-interpreter "python3")
;; set default headers for convenience
(setq org-babel-default-header-args:matlab
'((:results . "output replace")
(:session . "matlab")
(:kernel . "matlab")
(:exports . "code")
(:cache . "no")
(:noweb . "no")
(:hlines . "no")
(:tangle . "no")))
(defalias 'org-babel-execute:matlab 'org-babel-execute:ipython)
(defalias 'org-babel-prep-session:matlab 'org-babel-prep-session:ipython)
(defalias 'org-babel-matlab-initiate-session 'org-babel-ipython-initiate-session)
#+END_SRC
Then use the following example
#+begin_src matlab :results output latex :exports results :eval never-export :wrap latex
x = [1, 2, 3, 4, 5];
fprintf('|%d', x)
#+end_src
That is now really fast.
Regards
Uwe Brauer
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