> On Mar 11, 2015, at 11:29 AM, Kyle Meyer <k...@kyleam.com> wrote: > > Richard Stanton <stan...@haas.berkeley.edu> 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 <k...@kyleam.com> > 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.
