From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Schulte Subject: Re: Tangling without clutter? Date: Wed, 14 Mar 2012 15:13:50 -0400 Message-ID: <87y5r30zdd.fsf@gmx.com> References: <44B0EAE8544C834188E8790873CDE1CC3EA752@ARCEXCHANGE.arc.local> <44B0EAE8544C834188E8790873CDE1CC3EA82A@ARCEXCHANGE.arc.local> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([208.118.235.92]:40793) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S7te4-000197-P1 for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 15:14:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S7tdz-00050R-I1 for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 15:14:00 -0400 Received: from mailout-us.gmx.com ([74.208.5.67]:50493) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1S7tdz-0004zn-Br for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 15:13:55 -0400 In-Reply-To: <44B0EAE8544C834188E8790873CDE1CC3EA82A@ARCEXCHANGE.arc.local> (Jos'h Fuller's message of "Wed, 14 Mar 2012 18:39:49 +0000") List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Jos'h Fuller Cc: "emacs-orgmode@gnu.org" , "Thomas S. Dye" Jos'h Fuller writes: > Hi! > >> Does the :no-expand header argument do what you want? See >> http://orgmode.org/manual/no_002dexpand.html#no_002dexpand. > > I tried using it like this: > > #+name: function-demo > #+begin_src python :exports both :noweb yes :results output :no-expand > <> > > print entable([["One", 2, 59],["Four", 5, 27], ["Seven", 8, 9]]) > #+end_src > > But it didn't seem to affect the results at all. I may be using it > wrong, the documentation is a bit sparse, without any examples... > > It seems like I almost need some variant of the "tangle" argument to > :noweb where syntax references are expanded for evaluation, but not > for anything else. > Why would you want to tangle out a python src file with an un-expanded noweb reference? Either way, who am I to judge. I've just added a new "eval" option to the noweb header argument which will expand noweb references *only* during interactive evaluation. Best, > > Thanks for taking a look! > > Jos'h > > >> -----Original Message----- >> From: Thomas S. Dye [mailto:tsd@tsdye.com] >> Sent: Wednesday, March 14, 2012 2:23 PM >> To: Jos'h Fuller >> Cc: emacs-orgmode@gnu.org >> Subject: Re: Tangling without clutter? >> >> Jos'h Fuller writes: >> >> > Hi! >> > >> > I was writing some documentation about how to use a Python function, >> so I decided to try the tangling feature. However, the result, when >> exported to PDF, is unsatisfactory because the referenced code block is >> included twice -- first in the original location, then again where I >> referenced it with <>. >> > >> > This is, of course, exactly what it needs to do to be able to execute >> the code properly and show the result. But it doesn't look nice. Is >> there any way to suppress the second printing inside the function-demo >> block? >> > >> > If this isn't clear from the example below, I can provide examples of >> the duplication in action as well as what I'd like the output to look >> like. >> > >> > Thanks very much! >> > >> > Example file: >> > #+TITLE: Tangle Test >> > #+LANGUAGE: en >> > #+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:nil -:t f:t *:t >> <:t >> > #+OPTIONS: TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in- >> toc >> > >> > * Tangled Code >> > I want to show the definition of a function first: >> > #+name: function-definition >> > #+begin_src python :tangle yes :exports code >> > def entable(data): >> > if not data: return "/No data./" >> > >> > columns = len(data[0]) >> > sizes = [0,]*columns >> > for row in data: >> > sizes = [max(x) for x in zip(sizes, [len(str(t)) for t in >> row])] >> > >> > format = "| " + " | ".join(["%%%ds" % x for x in sizes])+" |" >> > return "\n".join([format % tuple(row) for row in data]) >> > #+end_src >> > >> > Now I want to show a demonstration of how the function might be >> > called. I need the function to be included so that demonstration >> > code can be executed, but I don't want to include the function >> > definition twice: >> > >> > #+name: function-demo >> > #+begin_src python :tangle yes :exports both :noweb yes :results >> output >> > <> >> > >> > print entable([["One", 2, 3],["Four", 5, 6], ["Seven", 8, 9]]) >> > #+end_src >> > >> > Which gives us this result: >> > >> > #+results: function-demo >> > : | One | 2 | 3 | >> > : | Four | 5 | 6 | >> > : | Seven | 8 | 9 | >> > >> > >> Aloha! >> >> Does the :no-expand header argument do what you want? See >> http://orgmode.org/manual/no_002dexpand.html#no_002dexpand. >> >> hth, >> Tom >> -- >> Thomas S. Dye >> http://www.tsdye.com > -- Eric Schulte http://cs.unm.edu/~eschulte/