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From: John Hendy <jw.hendy@gmail.com>
To: Eric Schulte <schulte.eric@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 10:50:50 -0500	[thread overview]
Message-ID: <CA+M2ft83CqpsfGghb69318rihAb4W9dSCLoXp-gSwiuHihFQ7g@mail.gmail.com> (raw)
In-Reply-To: <87sj3e6y5n.fsf@gmail.com>

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On Fri, Mar 29, 2013 at 10:09 AM, Eric Schulte <schulte.eric@gmail.com>wrote:

> >> 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
>
>
This isn't working for me on Org-8.0 (from that Worg page):

#+begin_src python :session
def foo(x):
  if x>0:
    return x+1
  else:
    return x-1

foo(1)
#+end_src

#+RESULTS:
: None

I tend to agree. I don't/haven't used Python, but having now read the
ob-doc-python bit, it seems peculiar/undesirable to have to change
indenting, line breaking, and return statements depending on :session or
not...

John



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

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  parent reply	other threads:[~2013-03-29 15:50 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
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 [this message]
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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