Re: getting an hline in a python generated table

[John Kitchin <jkitchin@andrew.cmu.edu>]

wow, that is some wizardry there! I did not know you could do a return
value that way! or get an hline from None! thanks!

William Henney writes:

> A simpler solution is to just use None, which gets automatically converted
> to an hline by org-babel:
>
> #+BEGIN_SRC python :return mytable
>   NROWS, NCOLS = 6, 4
>   mytable = []
>   mytable.append(['A', 'B', 'C', 'D'])  # Table header
>   mytable.append(None)                  # hline
>   for irow in range(NROWS):
>       mytable.append([icol**irow for icol in range(NCOLS)])
>   mytable.append(None)                  # hline
> #+END_SRC
>
> #+RESULTS:
> | A | B |  C |   D |
> |---+---+----+-----|
> | 1 | 1 |  1 |   1 |
> | 0 | 1 |  2 |   3 |
> | 0 | 1 |  4 |   9 |
> | 0 | 1 |  8 |  27 |
> | 0 | 1 | 16 |  81 |
> | 0 | 1 | 32 | 243 |
> |---+---+----+-----|
>
> Will
>
>
> On Wed, Apr 1, 2015 at 2:07 PM, John Kitchin <jkitchin@andrew.cmu.edu>
> wrote:
>
>> Hi everyone,
>>
>> In emacs-lisp, I can get a table as output that has a horizontal line
>> in it like this:
>>
>> (append '((name scopus-id h-index n-docs n-citations))
>>         '(hline)
>>         (some expression that generates a list))
>>
>> The first row is header names, then a horizontal line, followed by a row
>> for each thing of interest. This seems to work because the result is an
>> emacs-lisp "array".
>>
>> I cannot figure out if this is possible in a Python block though. So far
>> my experiments have failed because I don't know how to make an hline
>> symbol in a Python array. Any kind of string just shows as a row. Any
>> thoughts on if this is possible?
>>
>> thanks,
>>
>> --
>> Professor John Kitchin
>> Doherty Hall A207F
>> Department of Chemical Engineering
>> Carnegie Mellon University
>> Pittsburgh, PA 15213
>> 412-268-7803
>> @johnkitchin
>> http://kitchingroup.cheme.cmu.edu
>>
>>

--
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu