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no completion in emacs by ipython(ipython.el) #721

sinoohe opened this Issue · 9 comments

2 participants

Mehran khajavi Jens Hedegaard Nielsen
Mehran khajavi

i have completion with TAB in shell by running ipython but in emacs when i run py-shell I have no completion
for example when I enter import[TAB] it says: can't find completion for "import"
i also imported rlcompleter2 but it doesn't work again!

cat ~/.ipython/
import rlcompleter2

i installed latest ipython version from the git repository
i tested both in emacs23 and emacs24(from git) [doesn't work]

Mehran khajavi

no solution?!!

Mehran khajavi sinoohe closed this
Mehran khajavi sinoohe reopened this
Jens Hedegaard Nielsen

It's still working for me sort of.
It does not appear to find the packages when trying to complete import
i.e. doing import sci[tab] does not find scipy and doing import [tab] gives import --------------------------------------------------.
But it works fine for completing functions of imported packages and also completes variables correctly.

It could be improved however as the ipython history will end up with a lot of stuff like:
print(';'.join(get_ipython().Completer.all_completions('sci'))) #PYTHON-MODE SILENT
when completing in the emacs shell.

Mehran khajavi

it doesn't work for me! also for function completion!also simple codes
for example :
no completion!!!!
is your ipython version or ipython.el in the latest version?!!
if not, can you send me your ipython and ipython.el?

Jens Hedegaard Nielsen

It's the latest version. I think that you also need python-mode.el (This is not the default python mode in emacs)
I am using version 5.20. (I have not tested the newest version but I guess it works)

The relevant part of my .emacs file to make it work is:

(autoload 'python-mode "python-mode" "Python Mode." t)
(setq auto-mode-alist (cons '("\\.py$" . python-mode) auto-mode-alist))
(setq interpreter-mode-alist (cons '("python" . python-mode)
(autoload 'python-mode "python-mode" "Python editing mode." t)
;; In XEmacs syntax highlighting should be enabled automatically.  In GNU
;; Emacs you may have to add these lines to your init file:

(global-font-lock-mode t)
(setq font-lock-maximum-decoration t)
(require 'ipython)
(setq py-python-command-args '("--pylab=qt" "--colors=LightBG"))

(global-set-key [C-tab] 'ipython-complete) ;``` 
Mehran khajavi

i upgraded python-mode
now it says: py-shell::
Unknown option: --
usage: /usr/bin/python [option] ... [-c cmd | -m mod | file | -] [arg] ...
Try `python -h' for more information.

Process Python exited abnormally with code 2

I don't know what's happening

Jens Hedegaard Nielsen

Ok I see the same problem with the newest version of
python-mode try version 5.2 from here:
That seems to work for me.

Mehran khajavi

ohhh! Yessss
Thank you so much
this version of python-mode works with ipython! i'm enjoying writing python in emacs :)

Mehran khajavi sinoohe closed this
Jens Hedegaard Nielsen

Just for the record. There seems to be bugs in new versions of python-mode see:
The value of py-python-command is ignored.
so standard python is launched instead of ipython
As a workaround if you want to use the newest version of python-mode.el you can set
(setq py-default-interpreter "ipython") in your .emacs file

Jens Hedegaard Nielsen

Ok the new version seems seems to give other problems with tab indention as well.
I will not investigate it further until there is a new version of python-mode.el that fixes the first problem.

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