From: Eric Schulte <schulte.eric@gmail.com>
To: Christian Moe <mail@christianmoe.com>
Cc: news1142@Karl-Voit.at, emacs-orgmode@gnu.org
Subject: Re: [babel] sbe not working properly
Date: Fri, 12 Apr 2013 16:22:19 -0600 [thread overview]
Message-ID: <87wqs7cqzw.fsf@gmail.com> (raw)
In-Reply-To: m2wqs8vpya.fsf@christianmoe.com
Christian Moe <mail@christianmoe.com> writes:
> Hi,
>
> I cannot replicate Karl's problem. I copied the code examples, and got
> the right results on Org 8.0-pre (pulled this morning).
>
> I did have to make one change -- Babel wouldn't recognize the variables
> until I passed them with :var rather than in parens after the codeblock
> name. (I saw there was some discussion on dropping the latter syntax;
> whoa -- has it already happened?)
Yes, this syntax has been removed.
> But that much was clear from the error messages I got, so Karl's
> problem must be something different.
>
> Yours,
> Christian
>
> Darlan Cavalcante Moreira writes:
>
>> I have my own difficulties using sbe and decided to try your example.
>>
>> I even created the shell babel block below which does the same think as the
>> python code
>>
>> #+NAME: epoch2dayshell(epoch=1)
>> #+begin_src sh
>> echo `date --d @$epoch -u +"[%F %a %T]"`
>> #+end_src
>>
>> but I got the same result. Actually, I realize a small detail.
>>
>> In your example, when you evaluated the table formula you got as result the
>> 1970 date. However, this does not mean that your python code was
>> executed. You got that answer because you have evaluated the python code
>> previously with the default argument (equal to 1) and thus you had
>>
>> #+RESULTS: epoch2day
>> : [1970-01-01 Thu 00:00:01]
>>
>> in your file. If you erase the #+RESULTS and reevaluate the table you will
>> get an ERROR. That indicates that sbe is not calling the babel block as I
>> (and probably you too) was expecting.
>>
>> However, looking at sbe's documentation I can't see anything wrong with the
>> formula you wrote. I'm still confused on how to correctly use sbe.
>>
>> --
>> Darlan
>>
>> At Thu, 11 Apr 2013 16:26:12 +0200,
>> Karl Voit wrote:
>>>
>>> Hi!
>>>
>>> I want to define a babel function named epoch2day which I am able to use in a
>>> table to convert UNIX epoch times to Org-mode time stamps:
>>>
>>> #+NAME: epoch2day(epoch=1)
>>> #+BEGIN_SRC python :results output
>>> time = epoch
>>> import datetime
>>> strtime = str(time)
>>> datetimestamp = datetime.datetime.utcfromtimestamp(int(strtime[:10]))
>>> print datetimestamp.strftime('[%Y-%m-%d %a %H:%M:%S]')
>>> #+END_SRC
>>>
>>> #+RESULTS: epoch2day
>>> : [1970-01-01 Thu 00:00:01]
>>>
>>> ... this works so far. However, in a table I can't "overwrite" the default
>>> value with a column value:
>>>
>>> | epoch | day |
>>> |---------------+---------------------------|
>>> | 1262675465119 | [1970-01-01 Thu 00:00:01] |
>>> #+TBLFM: $2='(sbe epoch2day (epoch $1))
>>>
>>> ... but $2 should be: [2010-01-05 Tue 07:11:05]
>>>
>>>
>>> On [1] I found another example:
>>>
>>> #+name: add1(x=1) :results silent
>>> #+begin_src python
>>> return x + 1
>>> #+end_src
>>>
>>> #+RESULTS: add1
>>> : 2
>>>
>>> | foo | bar | 3 | 2 |
>>> #+TBLFM: @1$4='(sbe add1 (x $3))
>>>
>>> #+CALL: add1(x=2)
>>>
>>> #+RESULTS: add1(x=2)
>>> : 2
>>>
>>> So this simple example does not work either at my side[2].
>>>
>>>
>>> What is my error? Or did I found a bug?
>>>
>>> Thanks!
>>>
>>>
>>> 1. http://stackoverflow.com/questions/9595310/org-babel-sbe-syntax
>>> 2. Org-mode 1af215bb4668bf3e778175e68fcaf from git
>>> --
>>> mail|git|SVN|photos|postings|SMS|phonecalls|RSS|CSV|XML to Org-mode:
>>> > get Memacs from https://github.com/novoid/Memacs <
>>>
>>> https://github.com/novoid/extract_pdf_annotations_to_orgmode + more on github
>>>
>>>
>
>
--
Eric Schulte
http://cs.unm.edu/~eschulte
next prev parent reply other threads:[~2013-04-12 22:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-11 14:26 [babel] sbe not working properly Karl Voit
2013-04-11 18:00 ` Darlan Cavalcante Moreira
2013-04-11 19:15 ` Christian Moe
2013-04-12 22:22 ` Eric Schulte [this message]
2013-04-13 8:01 ` [babel] sbe not working properly (resolved) Karl Voit
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