[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: org-babel guile source block bug in handling multiple values

From: Ihor Radchenko
Subject: Re: org-babel guile source block bug in handling multiple values
Date: Thu, 09 Mar 2023 13:10:56 +0000

Zelphir Kaltstahl <zelphirkaltstahl@posteo.de> writes:

> ~~~~START~~~~
> #+name: python-imports
> #+begin_src python :python /usr/bin/python3 :results output replace drawer 
> :var x=4
> import math
> y = math.sqrt(x)
> # print(y)
> #+end_src
> #+name: python-usage
> #+begin_src python :python /usr/bin/python3 :return :noweb strip-export 
> :results value replace drawer
> <<python-imports>>
> print("y: {}".format(y))
> #+end_src
> ~~~~~END~~~~~
> Unfortunately, this example does not seem to work at all, but for a different 
> reason:
> It seems that using any Python source block with :var header args via :noweb 
> does not work, as it then behaves in the way, that it merely pasted the 
> included 
> source block, without first putting in the :var values into the variables. I 
> get 
> errors about those :var variables being undefined, of course, since they are 
> on 
> the included source block, not on the including one:
> ~~~~START: *Org-Babel Error Output*~~~~
> Traceback (most recent call last):
>    File "<stdin>", line 10, in <module>
>    File "<stdin>", line 5, in main
> NameError: name 'x' is not defined
> [ Babel evaluation exited with code 1 ]
> ~~~~~END~~~~~

This is expected. Noweb includes the src block code without altering it.
See 16.11 Noweb Reference Syntax

We may probably clarify this in the manual. Would it be helpful?

Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

reply via email to

[Prev in Thread] Current Thread [Next in Thread]