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Re: [Orgmode] [PATCH] org-babel-confirm-evaluate when org-confirm-babel-


From: Eric Schulte
Subject: Re: [Orgmode] [PATCH] org-babel-confirm-evaluate when org-confirm-babel-evaluate is a function
Date: Tue, 21 Dec 2010 09:38:24 -0700
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Hi Vladimir,

Thanks very much for this patch, it is great to receive patches that
update the documentation as well as the code.  I've just applied a
slightly modified version of your patch.

Thanks -- Eric

Vladimir Alexiev <address@hidden> writes:

> I tried following http://orgmode.org/worg/org-contribute.php to the letter.
> But this is my first patch (and first time using git & magit), so please 
> kindly 
> give me feedback if something is not right.
>
> * doc/org.texi: org-confirm-babel-evaluate: add example for using a
>   function
> * lisp/ob.el (org-babel-confirm-evaluate): Fix for the case when
>   org-confirm-babel-evaluate is a function (used to always ask no matter
>   what the function returns) 
>
> --- a/doc/org.texi
> +++ b/doc/org.texi
> @@ -12662,9 +12662,19 @@ Make sure you know what you are doing before 
> customizing the variables
>  which take off the default security brakes.
>  
>  @defopt org-confirm-babel-evaluate
> -When set to t user is queried before code block evaluation
> +When t (the default), the user is asked before every code block evaluation.
> +When nil, the user is not asked.
> +When set to a function, it is called with two arguments (language and body 
> of 
> the code
> +block) and should return t to ask and nil not to ask.
>  @end defopt
>  
> +For example, here is how to execute "ditaa" code (which is considered safe) 
> without asking:
> address@hidden
> +(defun my-org-confirm-babel-evaluate (lang body)
> +  (not (string= lang "ditaa")))  ; don't ask for ditaa
> +(setq org-confirm-babel-evaluate 'my-org-confirm-babel-evaluate)
> address@hidden example
> +
>
> --- a/lisp/ob.el
> +++ b/lisp/ob.el
> @@ -209,11 +209,11 @@ Note disabling confirmation may result in accidental 
> evaluation
>  of potentially harmful code."
>    (let* ((eval (or (cdr (assoc :eval (nth 2 info)))
>                  (when (assoc :noeval (nth 2 info)) "no")))
> -      (query (or (equal eval "query")
> -                 (if (functionp org-confirm-babel-evaluate)
> -                     (funcall org-confirm-babel-evaluate
> -                              (nth 0 info) (nth 1 info))
> -                   org-confirm-babel-evaluate))))
> +         (query (cond ((equal eval "query"))
> +                      ((functionp org-confirm-babel-evaluate)
> +                       (funcall org-confirm-babel-evaluate
> +                                (nth 0 info) (nth 1 info)))
> +                      ((org-confirm-babel-evaluate)))))
>      (if (or (equal eval "never") (equal eval "no")
>           (and query
>                (not (yes-or-no-p
>
> TINYCHANGE
>
>
>
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