[IPython-user] Question about ipython.el

[bruno]

Alexander Schmolck a écrit :
> bruno <bruno.chazelas@ias.u-psud.fr> writes:
>
>   
>> I am quite a newbie to python and it is the only sure way I found to be sure
>> my modifications are taken into account.
>>
>> As a consequence I would like to add the following function to emacs : 
>> kill ipython and restart it in a single key-stroke. I have begun to 
>> learn Elisp to achieve this aim. 
>> I nearly managed to do so but my attempt fails very near to completion. I am
>> seeking for help.
>>
>> here is the code I added to my .emacs :
>>
>> (defun py-shell-stop-and-restart ()
>>   "Stop the current python process"
>>   (interactive)
>>   (setq oldbuf (current-buffer))
>>   (setq oldwindow (selected-window))
>>   (if (get-process "Python")
>>     (progn (kill-process "Python")
>>            (message "Python Killed"))
>>     (message "Python is not running Yet"))
>>   (select-window oldwindow)
>>   (switch-to-buffer oldbuf)
>>   (py-shell)
>>   )
>> (define-key py-mode-map "\C-c;"     'py-shell-stop-and-restart)
>>
>> This codes properly kills the python interpreter if it is running, but 
>> il fails to restart it. I don't understand why. It should restart via 
>> the (py-shell-start) function. More strange the (py-shell) works when 
>> the ipython shell is not working and thus cannot be killed.
>>
>> any one has an idea ?
>>     
>
> Not sure what's going on (my first, and possibly completely wrong, guess would
> be the killing isn't finished by the time py-shell is called, but the process
> handling etc. in emacs is not presently mentally available to me and I've got
> no time to look it up again right now). Have you tried adding a delay?
>
>   
I have just tried and you were exactly right ! a line :
(sleep-for 0.1) before the (py-shell) did the trick. I suppose it is an 
awful hack, but it works fine for me.

Thanks a lot

Bruno

> Maybe a quick fix would be to try to define a keyboard macro to do something
> like "C-d and yes and M-x py-shell" roughly like so:
>
> C-x ( C-d y RET M-x py-shell C-x )
>
> Then test it by running it with C-x e, and if it works save it -- best resort
> to your emacs manual, but here's some doc for an old emacs version:
>
> <http://www.delorie.com/gnu/docs/emacs/emacs_489.html>
>
> if everything fails comp.emacs might prove hepful.
>
>   
>> Thanks  in advance and anyway thanks for the nice softwares
>>
>> Bruno Chazelas
>>     
>
> 'as
>