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Re: Can you automatically noweb include?
From: |
Berry, Charles |
Subject: |
Re: Can you automatically noweb include? |
Date: |
Fri, 7 Aug 2020 21:25:43 +0000 |
Good catch. Also it works if you put the property block at the very beginning
of the file.
This sometimes helps:
M-x org-lint RET
which in this case reports "Incorrect contents for PROPERTIES drawer"
which is a bit cryptic IMO, but does point to any issue with the property.
HTH,
Chuck
> On Aug 7, 2020, at 2:18 PM, Thomas S. Dye <tsd@tsdye.online> wrote:
>
> It works here if you remove the blank line between the headline and the
> PROPERTIES block.
>
> William McCoy writes:
>
>> Chuck,
>>
>> Thanks very much for your response. I didn't know about those options.
>> When I
>> use C-c C-v C-i, I get the following:
>>
>> Lang: python
>> Properties:
>> :header-args nil
>> :header-args:python nil
>> Header Arguments:
>> :cache no
>> :exports code
>> :hlines no
>> :noweb no
>> :results output replace
>> :session none
>> :tangle no
>>
>> And C-c C-v C-v, shows that the import statements in the header do not get
>> expanded into the code block.
>>
>> So I am obviously doing something wrong. There appear to be no typos or
>> misspellings and the org file containing the coded is exactly this:
>>
>> * Test of prologue header
>>
>> :PROPERTIES:
>> :header-args:python+: :prologue "import numpy as np; import os"
>> :END:
>>
>> #+BEGIN_SRC python :results output
>> print(np.__version__)
>> #+END_SRC
>>
>> #+RESULTS:
>>
>>
>> My init file has no org babel header arguments defined.
>>
>> I am using C-c C-v C-b or C-c C-v C-s to evaluate and I get
>>
>> "Code block produced no output." in the mini-buffer.
>>
>>
>> If I use C-c C-c directly on the code block itself I get:
>>
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> NameError: name 'np' is not defined
>>
>> Is there something else I need to do to get babel to recognize the
>> header-args?
>>
>> Thanks
>>
>>
>> On 8/7/20 12:51 PM, Berry, Charles wrote:
>>>
>>>> On Aug 7, 2020, at 8:39 AM, William McCoy <wdm8588@gmail.com> wrote:
>>>>
>>>> This use of :prologue appeared to me to be very useful. But for some
>>>> reason when I try it out it does not work for me. I just get a message
>>>> that the code block produced no output and that 'np' is not defined. Just
>>>> to check, when I put the import statements directly within my code block
>>>> it works fine.
>>>>
>>>> I am running: Org mode version 9.3.7 (9.3.7-16-g521d7f-elpa
>>>>
>>>> Any idea what I'm doing wrong?
>>>>
>>>>
>>> It is sometimes useful to use C-c C-v C-i to see what header args org has
>>> detected for a source block. Misspelled words sometimes wreak havoc and
>>> invisible characters can cause real pain.
>>>
>>>
>>> Also, it helps to use C-c C-v C-v to to see the expanded code block. When I
>>> do this with Kens' ECM, I get
>>>
>>> import numpy as np; import os
>>> print(np.__version__)
>>>
>>> in the preview buffer.
>>>
>>> HTH,
>>>
>>> Chuck
>>>
>>>
>>>> On 8/6/20 2:12 PM, Ken Mankoff wrote:
>>>>> Actual example:
>>>>>
>>>>>
>>>>> * Prologue test
>>>>> :PROPERTIES:
>>>>> :header-args:python+: :prologue "import numpy as np; import os"
>>>>> :END:
>>>>>
>>>>> #+BEGIN_SRC python :results output
>>>>> print(np.__version__)
>>>>> #+END_SRC
>>>>>
>>>>> #+RESULTS:
>>>>> : 1.18.4
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Aug 5, 2020 at 3:03 PM Ken Mankoff <mankoff@gmail.com> wrote:
>>>>> What about using :pre or :prologue and setting it at the header or
>>>>> document level?
>>>>>
>>>>> Please excuse brevity. Sent from tiny pocket computer with
>>>>> non-haptic-feedback keyboard.
>>>>>
>>>>> On Wed, Aug 5, 2020, 14:22 George Mauer <gmauer@gmail.com> wrote:
>>>>> Use case:
>>>>>
>>>>> I'm using ob-racket but this would apply just as well to a few other
>>>>> workflows I have with python or js.
>>>>>
>>>>> I would like to write a helper function in a src block and then
>>>>> automatically have access to it in other src blocks further down the
>>>>> document. I don't really want a stateful session (nor does ob-racket
>>>>> support sessions) so I essentially want the equivalent of automatically
>>>>> including it everywhere so I don't have to type it out all the time (and
>>>>> have it screw up syntax coloring/indentation).
>>>>>
>>>>> Is this currently possible? Does anyone have any ideas for how to extend
>>>>> things so it is?
>>>
>
>
> --
> Thomas S. Dye
> https://tsdye.online/tsdye
- Can you automatically noweb include?, George Mauer, 2020/08/05
- Re: Can you automatically noweb include?, Ken Mankoff, 2020/08/05
- Re: Can you automatically noweb include?, Ken Mankoff, 2020/08/06
- Re: Can you automatically noweb include?, William McCoy, 2020/08/07
- Re: Can you automatically noweb include?, Berry, Charles, 2020/08/07
- Re: Can you automatically noweb include?, William McCoy, 2020/08/07
- Re: Can you automatically noweb include?, Thomas S. Dye, 2020/08/07
- Re: Can you automatically noweb include?,
Berry, Charles <=
- Re: Can you automatically noweb include?, William McCoy, 2020/08/07
- Re: Can you automatically noweb include?, George Mauer, 2020/08/08
Re: Can you automatically noweb include?, Tom Gillespie, 2020/08/08