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Re: [O] Extraneous output from Python code blocks using :session option
From: |
Richard Stanton |
Subject: |
Re: [O] Extraneous output from Python code blocks using :session option |
Date: |
Wed, 11 Mar 2015 11:54:54 -0700 |
> On Mar 11, 2015, at 11:29 AM, Kyle Meyer <address@hidden> wrote:
>
> Richard Stanton <address@hidden> wrote:
>> I'm trying to use the :session option so I can import modules, etc.,
>> just once at the beginning of my document, like with am IPython
>> notebook. Unfortunately, the output from these code blocks contains
>> some extraneous characters. For example:
>>
>> #+BEGIN_SRC python :session :results output
>> a = 2
>> b = 3
>> c = 4
>> print 'a= ', a
>> print 'b = ', b
>> print 'a + b = ', a+b
>> #+END_SRC
>>
>> #+RESULTS:
>> :
>> : >>> >>> a= 2
>> : b = 3
>> : a + b = 5
>
> I also see this behavior. I asked the list some time ago [1], but I
> didn't follow up beyond the initial email.
>
>> How can I stop the production of all those ">" signs (sometimes
>> they're dots), which don't appear if I run the same code block without
>> the :session option?
>
> I've attached a patch that seems to fix the example you gave and the
> cases from my earlier email. I don't know enough about babel's
> internals to know if it is a good way to fix it, but at least it might
> serve as a quick fix for you until there is a better solution.
>
> [1] http://thread.gmane.org/gmane.emacs.orgmode/79014
>
> From cfa2783e03152871c0d703a6f79e96254dbe6c44 Mon Sep 17 00:00:00 2001
> From: Kyle Meyer <address@hidden>
> Date: Wed, 11 Mar 2015 14:17:09 -0400
> Subject: [PATCH] ob-python.el: Strip leading session characters
>
> * lisp/ob-python.el (org-babel-python-evaluate-session): Strip leading
> "..." and ">>>" from session output.
> (org-babel-python-strip-session-chars): New function.
> ---
> lisp/ob-python.el | 30 ++++++++++++++++++++----------
> 1 file changed, 20 insertions(+), 10 deletions(-)
>
> diff --git a/lisp/ob-python.el b/lisp/ob-python.el
> index dd3cc66..0267f22 100644
> --- a/lisp/ob-python.el
> +++ b/lisp/ob-python.el
> @@ -306,16 +306,17 @@ (defun org-babel-python-evaluate-session
> (results
> (case result-type
> (output
> - (mapconcat
> - #'org-babel-trim
> - (butlast
> - (org-babel-comint-with-output
> - (session org-babel-python-eoe-indicator t body)
> - (funcall input-body body)
> - (funcall send-wait) (funcall send-wait)
> - (insert org-babel-python-eoe-indicator)
> - (funcall send-wait))
> - 2) "\n"))
> + (org-babel-python-strip-session-chars
> + (mapconcat
> + #'org-babel-chomp
> + (butlast
> + (org-babel-comint-with-output
> + (session org-babel-python-eoe-indicator t body)
> + (funcall input-body body)
> + (funcall send-wait) (funcall send-wait)
> + (insert org-babel-python-eoe-indicator)
> + (funcall send-wait))
> + 2) "\n")))
> (value
> (let ((tmp-file (org-babel-temp-file "python-")))
> (org-babel-comint-with-output
> @@ -339,6 +340,15 @@ (defun org-babel-python-read-string (string)
> (match-string 1 string)
> string))
>
> +(defun org-babel-python-strip-session-chars (string)
> + "Remove leading >>> and ... from Python session output."
> + (with-temp-buffer
> + (insert string)
> + (goto-char (point-min))
> + (when (looking-at "\\s-*\\(\\(>>> \\)*\\(\\.\\.\\. \\)*\\)")
> + (delete-region (match-beginning 1) (match-end 1)))
> + (buffer-string)))
> +
> (provide 'ob-python)
>
>
> --
> 2.3.2
>
>
> —
> Kyle
Many thanks, Kyle. It would be great if this could be fixed in the main code,
but I’ll try your patch today.
- [O] Extraneous output from Python code blocks using :session option, Richard Stanton, 2015/03/10
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/11
- Re: [O] Extraneous output from Python code blocks using :session option,
Richard Stanton <=
- Re: [O] Extraneous output from Python code blocks using :session option, John Kitchin, 2015/03/12
- Re: [O] Extraneous output from Python code blocks using :session option, Richard Stanton, 2015/03/12
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/12
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/13
- Re: [O] Extraneous output from Python code blocks using :session option, Nicolas Goaziou, 2015/03/13
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/13
- Re: [O] Extraneous output from Python code blocks using :session option, Nicolas Goaziou, 2015/03/14
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/15
- Re: [O] Extraneous output from Python code blocks using :session option, Kyle Meyer, 2015/03/12