Re: [O] BUG org-babel-execute-src-block: No org-babel-execute function for python!

[Nick Dokos]

Andreas Röhler <address@hidden> wrote:

> org-babel-execute-src-block: No org-babel-execute function for python!
> 
> When evaluating the following block C-c C-c starting from emacs -Q
> 
> #+BEGIN_SRC python
> a = 5
> 
> b = 16
> 
> print(a + b)
> #+END_SRC
> 
> the error message from title appears
> 
> GNU Emacs 24.3.50.1 (i686-suse-linux-gnu, GTK+ Version 2.22.1) of 2013-02-20
> 
> Patch attached.
> diff --git a/lisp/ob-python.el b/lisp/ob-python.el
> index f2806c7..fb00053 100644
> --- a/lisp/ob-python.el
> +++ b/lisp/ob-python.el
>         (t
>       (error "No function available for running an inferior Python")))
>        (setq org-babel-python-buffers
> @@ -249,7 +252,8 @@ last statement in BODY, as elisp."
>                   (org-babel-trim body))
>                  "[\r\n]") "\n")
>                (org-babel-process-file-name tmp-file 'noquote))))
> -           (org-babel-eval-read-file tmp-file))))))
> +           ;; (org-babel-eval-read-file tmp-file)
> +           )))))
>  
>  (defun org-babel-python-evaluate-session
>    (session body &optional result-type result-params)

I don't understand: afaict the problem is that starting with emacs -Q, python
is not enabled as a babel language: you need to (require 'ox-python) somewhere.
Maybe I'm missing something but what's this patch supposed to do?

Nick