From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Sebastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
Subject: Re: are babel python sessions and inlined images incompatible?
Date: Wed, 24 Apr 2013 23:06:30 +0200
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References: <ybi7gjtkhtr.wl%ramestica@lavabit.com> <8738uhmget.fsf@gmail.com>
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Hello Rodrigo,

Rodrigo Amestica wrote:
> Eric Schulte wrote:
>> Rodrigo Amestica <ramestica-N9AOi2cAC9ZBDgjK7y7TUQ@public.gmane.org> writes:
>> 
>> > if I use this block
>> >
>> > #+BEGIN_SRC python :results file
>> > from pylab import *
>> > plot(rand(10))
>> > savefig('images/test.png')
>> > return 'images/test.png'
>> > #+END_SRC 
>> >
>> > then the RESULTS block shows me an inlined version of the plot.
>> >
>> > If now I switch to this block
>> >
>> > #+BEGIN_SRC python :session test :results file
>> > from pylab import *
>> > plot(rand(10))
>> > savefig('images/test.png')
>> > return 'images/test.png'
>> > #+END_SRC 
>
> many thanks for the feed back Eric!
>
>> You don't need to explicitly specify a return when working with a
>> session.  Either of the following should work.
>> 
>>     #+BEGIN_SRC python :session test :file "images/test.png"
>>       from pylab import *
>>       plot(rand(10))
>>       savefig('images/test.png')
>>     #+END_SRC
>
> that does not quite work, I get no inlined image but the following line in the
> Messages buffer
>
> orgtbl-format-line: Wrong type argument: sequencep, <matplotlib\.lines\.Line2DError during redisplay: (wrong-type-argument arrayp nil)

Try adding the `:results graphics' header argument...

>>     #+BEGIN_SRC python :session test :results file
>>       from pylab import *
>>       plot(rand(10))
>>       savefig('images/test.png')
>>       'images/test.png'
>>     #+END_SRC
>
> that one works!

Best regards,
  Seb

-- 
Sebastien Vauban