GNU bug report logs - #49822
28.0.50; python-shell-send functions show no output

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From: Augusto Stoffel <arstoffel <at> gmail.com>
To: "Barton, Mark" <Mark.Barton <at> disney.com>
Cc: Andy Moreton <andrewjmoreton <at> gmail.com>, "emacs-devel <at> gnu.org" <emacs-devel <at> gnu.org>, Andreas Schwab <schwab <at> linux-m68k.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>, "49822 <at> debbugs.gnu.org" <49822 <at> debbugs.gnu.org>, Michael Albinus <michael.albinus <at> gmx.de>, Lars Ingebrigtsen <larsi <at> gnus.org>
Subject: bug#49822: master e32c7d2: Change Python eval to send directly instead of using temporary files
Date: Wed, 08 Sep 2021 07:09:20 +0200

On Wed,  8 Sep 2021 at 03:17, "Barton, Mark" <Mark.Barton <at> disney.com> wrote:

> I tested the patch, 0001-Reduce-limit-of-line-length-sent-to-the-Python-infer.patch, on
> macOS 11.5.1 and although my minimal example runs, my original document using org babel
> session with multiple python blocks is failing with the message in the mini buffer “Inline error:
> multiline result cannot be used”. I can try some lower value than 1024 and report back, but
> below is what I saw with attempting to use the debugger to see what the string looks like in my
> use case.

This looks like a different matter, and the patch below might solve it.
But I think it would make sense to open a new bug for this point, to we
get a chance of getting through with the TTY line limit discussion in
this thread.

diff --git a/lisp/org/ob-python.el b/lisp/org/ob-python.el
index 7911205d08..e3714964b7 100644
--- a/lisp/org/ob-python.el
+++ b/lisp/org/ob-python.el
@@ -352,7 +352,7 @@ org-babel-python--send-string
 		   org-babel-python-eoe-indicator
 		   string-buffer))
 	(accept-process-output (get-buffer-process (current-buffer))))
-      (org-babel-chomp (substring string-buffer 0 (match-beginning 0))))))
+      (org-babel-chomp (substring string-buffer 1 (match-beginning 0))))))
 
 (defun org-babel-python-evaluate-session
     (session body &optional result-type result-params)

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