Re: [Orgmode] [babel] feature request - tangle-and-evaluate-tangled-file

[Rainer M Krug]

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On 17/07/2010 00:58, Eric Schulte wrote:
> Hi Rainer,
> 
> I've just pushed up a fix for the org-babel-post-tangle-hook.
> 
> With a minimal org-babel configuration, if I open the following file.
> 
> --8<---------------cut here---------------start------------->8---
> ** tangle R and load
>   :PROPERTIES:
>   :tangle:   to-load.r
>   :END:
> 
> evaluate this
> #+begin_src emacs-lisp :results silent :tangle no
>   (add-hook 'org-babel-post-tangle-hook
>             (lambda () (message "I'm in %s" (buffer-file-name))))
> #+end_src
> 
> then tangle
> 
> #+begin_src R :comments yes
>  x <- 8
> #+end_src
> 
> #+begin_src R
>  y <- 9
> #+end_src
> --8<---------------cut here---------------end--------------->8---
> 
> evaluate the emacs-lisp code block to initialize my post-tangle-hook,
> and then tangle the very same file, I see the following in my messages
> buffer, indicating that the correct file is now being visited.
> 
> --8<---------------cut here---------------start------------->8---
> Wrote /home/eschulte/Desktop/to-load.r [2 times]
> tangled 2 code blocks
> I'm in /home/eschulte/Desktop/to-load.r
> --8<---------------cut here---------------end--------------->8---
> 
> Hopefully this will now work for you as well.

Great - thanks a lot - it does.

I especially like the idea of putting the setting of the hook in the
.org file - I had it in my emacs.org, but it is MUCH nicer to have it in
the .org file.

Cheers and thanks a lot,

Rainer

> 
> Thanks -- Eric
> 
> Rainer M Krug <address@hidden> writes:
> 
>> On 13/07/2010 10:14, Dr Rainer M Krug wrote:
>>> On 12/07/2010 19:51, Eric Schulte wrote:
>>>> Rainer M Krug <address@hidden> writes:
>>>
>>>>> Hi Eric,
>>>>>
>>>>> On Fri, Jul 9, 2010 at 5:44 PM, Eric Schulte <address@hidden> wrote:
>>>>>
>>>>>> Hi Rainer,
>>>>>>
>>>>>> Rainer M Krug <address@hidden> writes:
>>>>>>
>>>>>>> On Thu, Jul 8, 2010 at 9:03 PM, Eric Schulte <address@hidden>
>>>>>> wrote:
>>>>>> [...]
>>>>>>>>
>>>>>>>> (add-hook 'org-babel-post-tangle-hook
>>>>>>>>          (lambda () (ess-load-file (buffer-file-name))))
>>>>>>>>
>>>>>>>
>>>>>>> Unfortunately, this does not work. I put the code above into my
>>>>>>> emacs.organd nothing happens - not even an error message. I tried to
>>>>>>> use the C-h v to customise the variable, but I don't manage it.
>>>>>>
>>>>>> If the variable isn't registered with C-h v, then it sounds like maybe
>>>>>> you need to update Org-mode, and/or re-run make clean && make.
>>>>>>
>>>>>
>>>>> OK - that is working now.
>>>>>
>>>>>
>>>>>>
>>>>>>> In addition, The filename for es-load-file shoud not be the buffer
>>>>>>> name, but the buffer name with the extension replaced with R.
>>>>>>>
>>>>>>
>>>>>> `buffer-file-name', returns the name of the file that the buffer is
>>>>>> visiting, so wouldn't this already be the case if the filename ends with
>>>>>> .R?
>>>>>>
>>>>>
>>>>> Isn't the buffer from which I am tangling the org buffer, and not the 
>>>>> result
>>>>> from the tangling? (see below for further remarks.
>>>>>
>>>
>>>> No this hook is run from /within/ a buffer visiting the file of tangled
>>>> code, so in the example hook function above (buffer-file-name) will
>>>> equal the name of the file of tangled R code.  From your later message
>>>> it looks like the issues below have been resolved.
>>>
>>> Thanks a lot for a very useful addition, and I will see abut the
>>> buffer-name and come back if it is still the org-file buffer for me,
>>
>> I finally tried it out, and it is still the same: when I tangle an org
>> file, for the hook as defined above, buffer-file-name is the org file.
>>
>> Cheers,
>>
>> Raienr
>>
>>>
>>> Rainer
>>>
>>>
>>>> Best -- Eric
>>>
>>>>>
>>>>>
>>>>>>
>>>>>> This minimal example with the hook defined as above works for me.  After
>>>>>> tangling I can jump to the *R* buffer where both x and y are defined.
>>>>>>
>>>>>> --8<---------------cut here---------------start------------->8---
>>>>>> ** tangle R and load
>>>>>>   :PROPERTIES:
>>>>>>   :tangle:   to-load.r
>>>>>>   :END:
>>>>>>
>>>>>> #+begin_src R :comments yes
>>>>>>  x <- 8
>>>>>> #+end_src
>>>>>>
>>>>>> #+begin_src R
>>>>>>  y <- 9
>>>>>> #+end_src
>>>>>> --8<---------------cut here---------------end--------------->8---
>>>>>>
>>>>>
>>>>> Not here -
>>>>>
>>>>> Emacs and org-mode version:
>>>>>
>>>>> GNU Emacs 23.2.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1)
>>>>> Org-mode version 6.36trans (release_6.36.603.g227b)
>>>>>
>>>>> 1) if no R process is running, I get the following message:
>>>>> ess-start-process-specific: No ESS processes running; not yet implemented 
>>>>> to
>>>>> start (Initial,nil)
>>>>> No problem 0 I can start an R process manually.
>>>>>
>>>>> 2) when an R session is running, I get the following error message from 
>>>>> ESS:
>>>>> Errors: Use C-c ` to find error.
>>>>> Symbol's function definition is void: with-temp-filebuffer
>>>>>
>>>>> and from ESS:
>>>>>
>>>>> Error in source("/home/rkrug/tmp/R.org") :
>>>>>   /home/rkrug/tmp/R.org:1:1: unexpected '^'
>>>>> 1: **
>>>>>
>>>>> it seems to submit the org file (the buffer is saved as R.org) to R.
>>>>>
>>>>> So buffer-file-name should actually be replaced with the name from the 
>>>>> file
>>>>> name resulting from the tangling, in the easiest case (which would be fine
>>>>> with me) the org buffer name with .org replaced with .R.
>>>>> So I did the following (my firs elisp code!):
>>>>>
>>>>>   (add-hook 'org-babel-post-tangle-hook
>>>>>             (lambda () (ess-load-file (replace-regexp-in-string ".org" 
>>>>> ".R"
>>>>> buffer-file-name))))
>>>>>
>>>>> and it is working - except that I still get the Symbol's function 
>>>>> definition
>>>>> is void: with-temp-filebuffer , but it does not seem to do anything.
>>>>>
>>>>> Thanks a lot,
>>>>>
>>>>> Rainer
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>
>>>>>>> I am sorry about all these questions, but emacs-lisp I have never used
>>>>>>> emacs-lisp (I should - and I will!)
>>>>>>>
>>>>>>
>>>>>> No problem at all, but be careful about learning too much lisp as you
>>>>>> may begin to grow dissatisfied with R :)
>>>>>>
>>>>>> Best -- Eric
>>>>>>
>>>>>>>
>>>>>>> Cheers and thanks for your patience,
>>>>>>>
>>>>>>> Rainer
>>>>>>>
>>>>>>>
>>>>>>>> Best -- Eric
>>>>>>>>
>>>>>>>> Rainer M Krug <address@hidden> writes:
>>>>>>>>
>>>>>>>>> Hi
>>>>>>>>>
>>>>>>>>> I am using org-babel for literate programming in R and I am using the
>>>>>>>>> following approach to test the code:
>>>>>>>>>
>>>>>>>>> 1) tangle
>>>>>>>>> 2) refresh buffer containing the tangled code (I use auto-revert-mode
>>>>>> or
>>>>>>>>> global-auto-revert-mode for that)
>>>>>>>>> 3) load the tangled file into an existing R session via ESS R for
>>>>>>>> evaluation
>>>>>>>>>
>>>>>>>>> This involves switching between buffers in always the same sequence.
>>>>>>>>> Therefore my suggestion:
>>>>>>>>>
>>>>>>>>> would it be possible to have a tangle-and-evaluate-tangled-file
>>>>>>>> funcction,
>>>>>>>>> which is doing this automatically?
>>>>>>>>>
>>>>>>>>> C-c - 0 and org-babel-execute-buffer do not work in this case, as
>>>>>>>> functions
>>>>>>>>> are split over several code blocks in R.
>>>>>>>>>
>>>>>>>>> Cheers,
>>>>>>>>>
>>>>>>>>> Rainer
>>>>>>>>
>>>>>>
>>>

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