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From: Eric Schulte <schulte.eric@gmail.com>
To: John Hendy <jw.hendy@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>,
	Gary Oberbrunner <garyo@oberbrunner.com>
Subject: Re: Fwd: run python from org, draft
Date: Fri, 29 Mar 2013 09:09:08 -0600	[thread overview]
Message-ID: <87sj3e6y5n.fsf@gmail.com> (raw)
In-Reply-To: <CA+M2ft_7D6itaUg99TAN49QmSm7ckqTYp1QUDPmHMiq2h+OAnw@mail.gmail.com> (John Hendy's message of "Fri, 29 Mar 2013 09:57:54 -0500")

>> with current
>>
>> GNU Emacs 24.3.1 (i686-pc-linux-gnu, GTK+ Version 2.24.14) of 2013-03-05
>>
>> Org-mode version 7.9.3f (release_7.9.3f-17-g7524ef @
>> MY_PATH/emacs-24.3/lisp/org/)
>>
>> python from org-source seems completely broken.
>>
>> For example:
>>
>> #+BEGIN_SRC python
>> 1+2
>> #+END_SRC
>>
>> #+RESULTS:
>> : None
>>
>>
> Weird. With all the testing we did last week, I'm surprised that this is
> the case with me as well. I'm also getting no results with Org 8.0-pre and
> Emacs 24.3.1.
>

Because of quirks of the python language, when executing outside of a
session, it is necessary to explicitly specify a return.

For example.

    #+begin_src python
      return 1+2
    #+end_src

    #+RESULTS:
    : 3

or

    #+begin_src python :return x
      x = 1+2
    #+end_src

    #+RESULTS:
    : 3

This is clearly stated in the Python documentation on Worg.
http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.html

Thanks,

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

  reply	other threads:[~2013-03-29 15:09 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-28 21:55 run python from org, draft Andreas Röhler
     [not found] ` <CAFChFyjZyxcnH1_jSWEUgXNkvJ0c3F8f4ojQa_EtPov2TjtziQ@mail.gmail.com>
2013-03-29 12:11   ` Fwd: " Gary Oberbrunner
2013-03-29 14:47     ` Andreas Röhler
2013-03-29 14:57       ` John Hendy
2013-03-29 15:09         ` Eric Schulte [this message]
2013-03-29 15:29           ` Andreas Röhler
2013-03-29 16:20             ` Eric Schulte
2013-03-29 16:49               ` Andreas Röhler
2013-03-29 16:59                 ` Eric Schulte
2013-03-29 18:33                   ` Evan Misshula
2013-03-29 18:50                     ` Eric Schulte
2013-03-29 19:04                       ` Evan Misshula
     [not found]             ` <CAFChFyhRbz6hh-NyOZTfdKJcTPh=F3J=07k2fR9p+A9Wig_pRA@mail.gmail.com>
2013-03-29 20:10               ` Fwd: " Gary Oberbrunner
2013-03-29 20:58                 ` Andreas Röhler
2013-03-31 20:04                   ` Gary Oberbrunner
2013-03-29 15:35           ` John Hendy
     [not found]             ` <CAFChFyhOrPVS2E5CE9H2+zX5TFV4D-themQbjx2DaSx-WmG14g@mail.gmail.com>
2013-03-29 20:11               ` Fwd: " Gary Oberbrunner
2013-03-29 15:50           ` John Hendy
2013-03-29 16:23             ` Eric Schulte
2013-03-29 16:47               ` Eric Schulte
2013-03-29 19:06                 ` Andreas Röhler
2013-03-29 20:04                 ` Andreas Röhler
2013-03-29 19:59           ` Gary Oberbrunner
2013-03-29 20:15             ` Andreas Röhler
2013-03-29 20:25             ` Eric Schulte
2013-03-29 20:45               ` Gary Oberbrunner
2013-03-29 21:13                 ` Eric Schulte

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