From: "Andreas Röhler" <andreas.roehler@easy-emacs.de>
To: emacs-orgmode@gnu.org, Eric Schulte <schulte.eric@gmail.com>
Subject: Re: babel python example not reproducible
Date: Thu, 19 Jun 2014 07:57:42 +0200 [thread overview]
Message-ID: <53A27BD6.5060007@easy-emacs.de> (raw)
In-Reply-To: <87egym2cnn.fsf@gmail.com>
On 18.06.2014 15:59, Eric Schulte wrote:
> Shiyuan <gshy2014@gmail.com> writes:
>
>> Hi all,
>> I found a solution to fix the echo problem of the emacs python shell:
>> http://stackoverflow.com/questions/8060609/python-interpreter-in-emacs-repeats-lines
>>
>> That is, in the Interior Python buffer, do
>> M-: (setq comint-process-echoes t) ;; or nil
>>
>> Now, if I enter command directly in the interior python buffer, the command
>> is not echoed and this is what I want.
>>
>> However, When I evaluate the python src code block in org-mode(by `C-c
>> C-c`), the problem persists. I notice every time I evaluate the block, I
>> see 'org_babel_python_eoe' in the interior python buffer.
>>
>> I stumbled on a very strange emacs behavior. When I fiddled around, at
>> some point, I produced the correct answer as the manual. I thought I got
>> the right setup, but when I saved everything and restarted emacs, problem
>> persists. Will it be a sign of anything wrong?
>>
>> What's even stranger is that: the evaluation for the first time gives
>> different results from the evaluation for the second time, on exactly the
>> same src_block:
>>
>> This is what I got when I evaluation the code block for the first time:
>> -------------------------------------
>> #+BEGIN_SRC python :results output :session foo
>> x=100
>> print "hello"
>> 2
>> print "bye"
>> #+END_SRC
>>
>> #+RESULTS:
>> #+begin_example
>>
>> x=100
>>>>> print "hello"
>>>>> hello
>> 2
>> 2
>> print "bye"
>> bye
>>
>>
>> #+end_example
>> -----------------------------------------------
>> -------------------------------------------------------
>>
>> The following is what I got when I evaluate the same block again:
>> #+BEGIN_SRC python :results output :session foo
>> x=100
>> print "hello"
>> 2
>> print "bye"
>> #+END_SRC
>>
>> #+RESULTS:
>> : x=100
>> : print "hello"
>> : hello
>> : 2
>> : 2
>> : print "bye"
>> : bye
>> :
>> :
>>
>> Notice that the prompt symbol ">>>" is in the result for the first
>> evaluation but not in the second evaluation.
>
> This issue has been raised before, it is a quirk of how the python
> session starts up. I think we've done what we can to handle this on the
> Org-mode side, I'd ask for a fix on the python.el maintainers.
The prompts appear as respond from Python-process when setup-code is sent at the beginning.
org-babel already knows how to fetch only the results from last prompt.
Probably separating a first run-python/py-shell from execute-process would do it.
Best,
Andreas
next prev parent reply other threads:[~2014-06-19 5:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-11 5:11 babel python example not reproducible Shiyuan
2014-06-11 7:48 ` Doyley, Marvin
2014-06-16 5:59 ` Shiyuan
2014-06-16 12:19 ` Nick Dokos
2014-06-16 14:35 ` Doyley, Marvin
2014-06-16 15:03 ` Eric Schulte
2014-06-16 16:12 ` Doyley, Marvin
2014-06-17 6:21 ` Shiyuan
2014-06-17 11:54 ` Andreas Röhler
2014-06-18 14:02 ` Eric Schulte
2014-06-18 13:59 ` Eric Schulte
2014-06-19 5:57 ` Andreas Röhler [this message]
2014-06-19 13:40 ` Eric Schulte
2014-06-20 5:53 ` Andreas Röhler
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