From: Eric Schulte <eric.schulte@gmx.com>
To: Jos'h Fuller <Jos'h.Fuller@arcproductions.com>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>,
"Thomas S. Dye" <tsd@tsdye.com>
Subject: Re: Tangling without clutter?
Date: Wed, 14 Mar 2012 15:13:50 -0400 [thread overview]
Message-ID: <87y5r30zdd.fsf@gmx.com> (raw)
In-Reply-To: <44B0EAE8544C834188E8790873CDE1CC3EA82A@ARCEXCHANGE.arc.local> (Jos'h Fuller's message of "Wed, 14 Mar 2012 18:39:49 +0000")
Jos'h Fuller <Jos'h.Fuller@arcproductions.com> 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
> <<function-definition>>
>
> 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 <Jos'h.Fuller@arcproductions.com> 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 <<function-definition>>.
>> >
>> > 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
>> > <<function-definition>>
>> >
>> > 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/
next prev parent reply other threads:[~2012-03-14 19:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 17:34 Tangling without clutter? Jos'h Fuller
2012-03-14 18:22 ` Thomas S. Dye
2012-03-14 18:39 ` Jos'h Fuller
2012-03-14 19:13 ` Eric Schulte [this message]
2012-03-14 19:35 ` Jos'h Fuller
2012-03-14 18:34 ` Eric Schulte
2012-03-14 22:08 ` Jos'h Fuller
2012-03-14 20:52 ` Eric Schulte
2012-03-15 6:25 ` Viktor Rosenfeld
2012-03-15 8:42 ` Jacek Generowicz
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