Re: [PATCH] WAS Re: Bug: problem w/ R code blocks [8.3beta (release_8.3beta-362-ga92789 <at> /usr/local/share/emacs/site-lisp/org/)]

["Cook, Malcolm" <MEC@stowers.org>]

Hiya,

Likewise - same problem here is fixed with injection of patch.  

Thanks!

~ malcolm_cook


 >-----Original Message-----
 >From: emacs-orgmode-bounces+mec=stowers.org@gnu.org [mailto:emacs-orgmode-bounces+mec=stowers.org@gnu.org] On
 >Behalf Of Rainer M Krug
 >Sent: Wednesday, September 17, 2014 2:26 AM
 >To: Charles Berry
 >Cc: emacs-orgmode@gnu.org
 >Subject: Re: [O] [PATCH] WAS Re: Bug: problem w/ R code blocks [8.3beta (release_8.3beta-362-ga92789 <at>
 >/usr/local/share/emacs/site-lisp/org/)]
 >
 >Rainer M Krug <Rainer@krugs.de> writes:
 >
 >Using it, error is gone.
 >
 >Rainer
 >
 >> Charles Berry <ccberry@ucsd.edu> writes:
 >>
 >>> Charles Berry <ccberry <at> ucsd.edu> writes:
 >>>
 >>>>
 >>>> Rainer M Krug <Rainer <at> krugs.de> writes:
 >>>>
 >>>> >
 >>>> > Thanks - you came before me. I get the same error but managed to work
 >>>> > around.
 >>>> >
 >>>> > This is likely caused by the upgrade of ess,
 >>>>
 >>>> Likely.
 >>>>
 >>>> But it may not be an ESS problem per se.
 >>>>
 >>>> M-x R starts a process that runs asynchronously. In interactive use there
 >>>> is no issue (barring something in .First() that slows the startup for
 >>>> a very long time).
 >>>>
 >>>> But, ...
 >>>>
 >>>> If the  (rename-buffer ...) in org-babel-R-initiate-session
 >>>> runs before all the setup that ESS performs in the process buffer is
 >>>> complete, chaos can result.
 >>>>
 >>>> Not sure what the best way is to fix this.
 >>>>
 >>>
 >>> OK. Looks like (ess-wait-for-process) fixes this. Here is a patch.
 >>
 >> Thanks.
 >>
 >> Haven't tried it yet, but I can't imagine any downside of this
 >> patch. Could this be committed?
 >>
 >> Rainer
 >>
 >>>
 >>> Chuck
 >>> ==
 >>>
 >>> From 89472012d80ce9ad4c8722f304c0d29327efa1fc Mon Sep 17 00:00:00 2001
 >>> From: chasberry <ccberry@ucsd.edu>
 >>> Date: Tue, 16 Sep 2014 19:57:59 -0700
 >>> Subject: [PATCH] lisp/ob-R.el: use `ess-wait-for-process' to assure clean
 >>>  session startup
 >>>
 >>> * lisp/ob-R.el (org-babel-R-initiate-session): Make sure that (R) has
 >>> finished before `rename-buffer' is run.
 >>>
 >>> TINYCHANGE
 >>> ---
 >>>  lisp/ob-R.el | 3 +++
 >>>  1 file changed, 3 insertions(+)
 >>>
 >>> diff --git a/lisp/ob-R.el b/lisp/ob-R.el
 >>> index 41b943c..7575acf 100644
 >>> --- a/lisp/ob-R.el
 >>> +++ b/lisp/ob-R.el
 >>> @@ -35,6 +35,8 @@
 >>>  (declare-function inferior-ess-send-input "ext:ess-inf" ())
 >>>  (declare-function ess-make-buffer-current "ext:ess-inf" ())
 >>>  (declare-function ess-eval-buffer "ext:ess-inf" (vis))
 >>> +(declare-function ess-wait-for-process "ext:ess-inf"
 >>> +		  (&optional proc sec-prompt wait force-redisplay))
 >>>  (declare-function org-number-sequence "org-compat" (from &optional to inc))
 >>>  (declare-function org-remove-if-not "org" (predicate seq))
 >>>  (declare-function org-every "org" (pred seq))
 >>> @@ -262,6 +264,7 @@ This function is called by `org-babel-execute-src-block'."
 >>>  	    ;; Session buffer exists, but with dead process
 >>>  	    (set-buffer session))
 >>>  	  (require 'ess) (R)
 >>> +	  (ess-wait-for-process)
 >>>  	  (rename-buffer
 >>>  	   (if (bufferp session)
 >>>  	       (buffer-name session)
 >
 >--
 >Rainer M. Krug
 >email: Rainer<at>krugs<dot>de
 >PGP: 0x0F52F982