bug#49822: master e32c7d2: Change Python eval to send directly instead of using temporary files

[Mark Barton <mbarton98@gmail.com>]

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> On Sep 5, 2021, at 10:18 AM, Mark Barton <mbarton98@gmail.com> wrote:
> 
> 
> 
>> On Sep 5, 2021, at 1:10 AM, Augusto Stoffel <arstoffel@gmail.com <mailto:arstoffel@gmail.com>> wrote:
>> 
>> On Sun,  5 Sep 2021 at 06:13, "Barton, Mark" <Mark.Barton@disney.com <mailto:Mark.Barton@disney.com>> wrote:
>> 
>>> Today I was trying to export my monthly org document that uses org babel python blocks to
>>> produce tables. I can get it to export fine if I revert python.el to the version before e32c7d2a8d
>>> - Change Python eval to send directly instead of using temporary files.
>>> 
>>> Below I show the python session buffer, first where it is working and then where it is broken for
>>> me. I’m running Emacs on macOS 11.5.1 and compile from the master branch.
>>> 
>>> In the “Broken session buffer” below, I recognize the code from that commit, but I really don’t
>>> understand the problem. Any ideas on what other information I can gather that would be
>>> useful?
>> 
>> Two more things you could try:
>> 
>> 1) set `python-shell-completion-native-enable' to nil
>> 2) pull the current master, after commit 1fdd898704
>> 
>> I'd be curious to see the effect of 1) before doing 2), if you have the
>> time for this quick test.
> 
> 
> I created a test org and csv file to test. Before I added the inline call to the test file, changing the python-shell-completion-native-enable to nil did get the my def pd2org to work. Otherwise it would work on the second export if I did not kill the python-chain session. The inline call to file_date returns an error “Inline error: multiline result cannot be used”
> 
> The attached pdf shows the successful export when I use the previous python.el.
> 
> I just compiled from master at commit c5b654b3f1
> 
> Recent commits
> c5b654b3f1 master origin/master Autoload cl-struct-slot-info
> 7c7a47b86e ; * etc/NEWS: Fix a recent change.
> 3d0276e98b Improve the documentation around the read-key/minibuffer prompting
> 73a90cda4a Clarify completion-list-mode NEWS entry
> 8f2e8add98 ; * doc/emacs/maintaining.texi (Looking Up Identifiers): Fix last change.
> 0972cbe42f * lisp/progmodes/xref.el: Fix defcustoms (bug#50067)
> 2ed2999ce5 Improve documentation of new Xref options
> 1fdd898704 Fixes for 'python-shell-send-string' and 'python-shell-send-file'
> ba84ec8bd9 Fix error handling in 'ispell-init-process'
> e6f936eb4d Cleanup tramp-tests.el
> 
> Setting the python-shell-completion-native-enable to nil cleans up the session buffer python-chain
> 
> Python 3.9.6 (default, Jun 29 2021, 05:25:02) 
> [Clang 12.0.5 (clang-1205.0.22.9)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> 
> org_babel_python_eoe
> >>> 
> 2021-08-24org_babel_python_eoe
> >>> 
> org_babel_python_eoe
> >>> 
> org_babel_python_eoe
> >>> 
> 2021-09-05org_babel_python_eoe
> >>> 
> 
> But I now get the error that prevents the pdf export: “Inline error: multiline result cannot be used"
> <ts_org_babel_python.csv>
> <ts_org_babel_python.org>
> <ts_org_babel_python.pdf>

Here is a simpler one to attempt to reproduce. If I comment out the #+PROPERTY line to not use a session then it works. With the #+PROPERTY line, I get the “Inline error: multiline result cannot be used”.


#+TITLE: Test Org Babel Export with Python Blocks
#+AUTHOR: Mark Barton
#+DATE: 2021-09-05
#+OPTIONS: toc:nil H:4 num:nil ^:nil
#+EXCLUDE_TAGS: ignore
#+LATEX_CLASS: article
#+LaTeX_HEADER: \usepackage[letterpaper,margin=0.5in, bottom=1in]{geometry}
#+latex_header: \usepackage{float}
#+LaTeX_HEADER: \usepackage{enumitem}\setlist[itemize]{nosep}
#+LaTeX_HEADER: \usepackage{needspace}
#+LaTeX_HEADER: \usepackage{booktabs}
#+LaTeX_HEADER: \usepackage{xcolor}
#+LaTeX_HEADER: \let\OldRule\rule
#+LaTeX_HEADER: \renewcommand{\rule}[2]{\OldRule{\linewidth}{#2}}
#+LaTeX_HEADER: \setlength{\parindent}{0pt}
#+LaTeX_HEADER: \setlength{\parskip}{12pt}
#+PROPERTY: header-args:python :session python-chain :exports results :results raw replace

      
*** Initialize python                                              :ignore:

#+NAME: file_date
#+begin_src python :var file="Roster_Report.csv" :exports none
import os
import time
print(time.strftime("%Y-%m-%d",time.localtime(os.path.getmtime(file))), end="")
#+end_src


*** Summary

Test inline call_file_date[:results output :results raw](file="./ts_org_babel_python.csv")


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