Re: [O] babel, executing code in background process

2012-03-05 Thread Yu
 Hello!

The trick would be in setting up the post-execution code block handling
 (namely results parsing and insertion) to run after external evaluation
 has completed.

I don't think this is a high priority necessarily. When executing e.g.
gnuplot or octave source code blocks for the sake of plotting, I'm usually
interested in runtime feedback more than collecting the text afterwards.
When doing notebook-Style work, also something like

  : #+begin_src octave :session *foo* :results silent
asynchronous-header
  :   Calculate data
  : #+end_src
  : #+begin_src octave :session *foo* :results value synchronous-header
  :Return data
  : #+end_src

would be possible, though of course no convenient solution. My current
solution for long-running octave scripts isn't any more convenient though:
Define the task as functions and then switch to the session buffer manually
and run those interactively.

kind regards, Yu


2012/3/2 Eric Schulte eric.schu...@gmx.com

 Erik Garrison erik.garri...@gmail.com writes:

  Hi Eric,
 
  Thanks for the background.  It looks like ob-screen may be very limited
 in
  that it doesn't
 
  It seems to me that a decent method would behave similarly to the way to
  M-x compile works--- another buffer opens in which the compilation
  progresses.  Is there any reason why this might not be applicable to the
  way babel works?
 

 The approach you describe above (a process buffer with a filter) would
 be one viable approach, perhaps even something as simple as using
 `async-shell-command' would be workable.  One place to start looking
 would be in ob-eval.el for external evaluation and ob-comint for session
 based evaluation.

 The trick would be in setting up the post-execution code block handling
 (namely results parsing and insertion) to run after external evaluation
 has completed.

 If anyone wants to look into the code and write/propose a way forward
 I'm happy to help in any way I can.

 Cheers,

 
  Erik
 
  On Wed, Feb 29, 2012 at 5:55 PM, Eric Schulte eric.schu...@gmx.com
 wrote:
 
  Hi Erik,
 
  Currently there is not (to my knowledge) any support for asynchronous
  code block evaluation.  The one possible exception could be ob-screen
  which I mention only because I don't really know anything about it.
 
  This would certainly be a worthwhile feature to add to Org-mode code
  blocks, however a good implementation (easy to use, robust and
  cross-language) will be non-trivial to implement.
 
  Best,
 
  Erik Garrison erik.garri...@gmail.com writes:
 
   Hi,
  
   I'm just starting to use org-mode and babel to structure exploratory
 data
   analysis which I do for my work.
  
   One issue that I've run into is that many of the queries I have to
 issue
   will take a very long time to complete.
  
   Is there any method I could use to execute them in a background
 process?
  
   Thanks,
   Erik
 
  --
  Eric Schulte
  http://cs.unm.edu/~eschulte/
 

 --
 Eric Schulte
 http://cs.unm.edu/~eschulte/




Re: [O] babel, executing code in background process

2012-03-01 Thread Eric Schulte
Erik Garrison erik.garri...@gmail.com writes:

 Hi Eric,

 Thanks for the background.  It looks like ob-screen may be very limited in
 that it doesn't

 It seems to me that a decent method would behave similarly to the way to
 M-x compile works--- another buffer opens in which the compilation
 progresses.  Is there any reason why this might not be applicable to the
 way babel works?


The approach you describe above (a process buffer with a filter) would
be one viable approach, perhaps even something as simple as using
`async-shell-command' would be workable.  One place to start looking
would be in ob-eval.el for external evaluation and ob-comint for session
based evaluation.

The trick would be in setting up the post-execution code block handling
(namely results parsing and insertion) to run after external evaluation
has completed.

If anyone wants to look into the code and write/propose a way forward
I'm happy to help in any way I can.

Cheers,


 Erik

 On Wed, Feb 29, 2012 at 5:55 PM, Eric Schulte eric.schu...@gmx.com wrote:

 Hi Erik,

 Currently there is not (to my knowledge) any support for asynchronous
 code block evaluation.  The one possible exception could be ob-screen
 which I mention only because I don't really know anything about it.

 This would certainly be a worthwhile feature to add to Org-mode code
 blocks, however a good implementation (easy to use, robust and
 cross-language) will be non-trivial to implement.

 Best,

 Erik Garrison erik.garri...@gmail.com writes:

  Hi,
 
  I'm just starting to use org-mode and babel to structure exploratory data
  analysis which I do for my work.
 
  One issue that I've run into is that many of the queries I have to issue
  will take a very long time to complete.
 
  Is there any method I could use to execute them in a background process?
 
  Thanks,
  Erik

 --
 Eric Schulte
 http://cs.unm.edu/~eschulte/


-- 
Eric Schulte
http://cs.unm.edu/~eschulte/



Re: [O] babel, executing code in background process

2012-02-29 Thread Eric Schulte
Hi Erik,

Currently there is not (to my knowledge) any support for asynchronous
code block evaluation.  The one possible exception could be ob-screen
which I mention only because I don't really know anything about it.

This would certainly be a worthwhile feature to add to Org-mode code
blocks, however a good implementation (easy to use, robust and
cross-language) will be non-trivial to implement.

Best,

Erik Garrison erik.garri...@gmail.com writes:

 Hi,

 I'm just starting to use org-mode and babel to structure exploratory data
 analysis which I do for my work.

 One issue that I've run into is that many of the queries I have to issue
 will take a very long time to complete.

 Is there any method I could use to execute them in a background process?

 Thanks,
 Erik

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/



Re: [O] babel, executing code in background process

2012-02-29 Thread Erik Garrison
Hi Eric,

Thanks for the background.  It looks like ob-screen may be very limited in
that it doesn't

It seems to me that a decent method would behave similarly to the way to
M-x compile works--- another buffer opens in which the compilation
progresses.  Is there any reason why this might not be applicable to the
way babel works?

Erik

On Wed, Feb 29, 2012 at 5:55 PM, Eric Schulte eric.schu...@gmx.com wrote:

 Hi Erik,

 Currently there is not (to my knowledge) any support for asynchronous
 code block evaluation.  The one possible exception could be ob-screen
 which I mention only because I don't really know anything about it.

 This would certainly be a worthwhile feature to add to Org-mode code
 blocks, however a good implementation (easy to use, robust and
 cross-language) will be non-trivial to implement.

 Best,

 Erik Garrison erik.garri...@gmail.com writes:

  Hi,
 
  I'm just starting to use org-mode and babel to structure exploratory data
  analysis which I do for my work.
 
  One issue that I've run into is that many of the queries I have to issue
  will take a very long time to complete.
 
  Is there any method I could use to execute them in a background process?
 
  Thanks,
  Erik

 --
 Eric Schulte
 http://cs.unm.edu/~eschulte/