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%
% This program is free software; you can redistribute it and/or
%
% modify it under the terms of the GNU General Public License
%
% as published by the Free Software Foundation; either version 2
%
% of the License, or (at your option) any later version.
%
%
%
% This program is distributed in the hope that it will be useful,
%
% but WITHOUT ANY WARRANTY; without even the implied warranty of
%
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%
% GNU General Public License for more details.
%
%
%
% You should have received a copy of the GNU General Public License
%
% along with this program; if not, write to the Free Software
%
% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
%
%
%
% 0.4 Version by Hernán Grecco <hgrecco@gmail.com>
%
% 0.3 Version by James Brotchie <brotchie@gmail.com>
%
%
%
% Author: Martin R. Ehmsen, ehmsen@imada.sdu.dk.
%
% Department of Mathematics and Computer Science,
%
% University of Southern Denmark, DK
%
%
%
% You can find an online copy of the GPL at
%
% http://www.gnu.org/copyleft/gpl.html .
%
%
%
% Note: shell-escape needs to be activated for this to work.
%
% This can either be done by passing -shell-escape as an option to
%
% latex or by adding/changing "shell_escape = t" in your texmf.cnf .
%
Python-sty Changelog
%
====================
%
%
%
0.4 (2013-11-28)
%
----------------
%
- Python code is only executed if it has changed.
%
- Option to save auxiliary files in a subfolder.
%
- Option to choose the python binary.
%
- Code refactoring.
%
- UTF-8 support.
%
%
%
0.3 (2011-12-22)
%
----------------
%
%
- Intermediate files are now stored with different filenames.
%
- The return code of each Python shell execution is stored
%
in an .rc file.
%
- Any stderr output of a failed Python shell execution is
%
inserted as a red verbatim in the resulting document.
%
-- James Brotchie <brotchie@gmail.com>
%
%
0.21
%
----
%
%
- Moved \newwrite\@module from \@writemodule and out, since
%
no more than 15 \newwrites are allowed (and the previous
%
version created a new every time \@writemodule was called.
%
%
\NeedsTeXFormat
{LaTeX2e}[1994/12/01]
\ProvidesPackage
{python}[2013/11/17 v0.4 Python in LaTeX]
\RequirePackage
{etoolbox}
\RequirePackage
{verbatim}
\RequirePackage
{color}
\RequirePackage
{ifplatform}
\RequirePackage
{fancyvrb}
\RequirePackage
{inputenc}
\RequirePackage
{kvoptions}
%
Put the resulting Python code in separate files.
\newcommand
{
\@PYT@outname
}{
\jobname\arabic
{@PythonEnvironmentCounter}}
\newcounter
{@PythonEnvironmentCounter}
\setcounter
{@PythonEnvironmentCounter}{1}
%
Package Options
\SetupKeyvalOptions
{
family=PYT,
prefix=PYT@
}
\DeclareVoidOption
{subfolder}{
\renewcommand
{
\@PYT@outname
}{py/
\jobname\arabic
{@PythonEnvironmentCounter}}
}
\DeclareStringOption
[python]{bin}[python]
\ProcessKeyvalOptions
*
\newcommand
{
\@pythonbin
}{
\PYT@bin
\space
runpy.py
\space
}
\typeout
{PYTHON: Binary
\@pythonbin
}
\newread\@PYT@retcode
\newread\@PYT@diff
\newcommand
{
\@PYT@copytocache
}{
\ifwindows
\immediate\write
18{copy
\@PYT@outname
.py
\@PYT@outname
.py.cache}
\else
\immediate\write
18{cp
\@PYT@outname
.py
\@PYT@outname
.py.cache}
\fi
}
\newcommand
{
\@PYT@deletescript
}{
\ifwindows
\immediate\write
18{del
\@PYT@outname
.py}
\else
\immediate\write
18{rm
\@PYT@outname
.py}
\fi
}
\newcommand
{
\@PYT@comparefiles
}{
\ifwindows
\immediate\write
18{fc
\@PYT@outname
.py
\@PYT@outname
.py.cache & call echo ^
\@percentchar
ERRORLEVEL ^
\@percentchar
>
\@PYT@outname
.cmp.rc}
\else
\immediate\write
18{cmp
\@PYT@outname
.py
\@PYT@outname
.py.cache; echo
$
? >
\@
PYT@outname.cmp.rc}
\fi
}
\newcommand
{
\@PYT@executescript
}{
\typeout
{PYTHON: Running file
\@PYT@outname
.py}
\immediate\write
18{
\@pythonbin
\space\@PYT@outname
.py}
%
Copy to the current script to keep a cache.
\@PYT@copytocache
\@PYT@deletescript
}
\newcommand
{
\@PYT@returncode
}{
\inputencoding
{utf8}
\input
{
\@PYT@outname
}
%
Read the return code of the executed Python script.
\immediate\openin\@PYT@retcode
=
\@PYT@outname
.py.rc
\immediate\read\@PYT@retcode
to
\rc
\immediate\closein\@PYT@retcode
%
If the return code isn't zero then include
%
the traceback.
\ifnumequal
{
\rc
}{0}{
\typeout
{PYTHON: Run was successful}
}{
%
\typeout
{PYTHON: Run failed}
\begingroup
\color
{red}
\verbatiminput
{
\@PYT@outname
.py.err}
\endgroup
}
}
\newenvironment
{python}
{
\typeout
{PYTHON: Writing file
\@PYT@outname
.py}
\@PYT@deactivateeightbit\VerbatimOut
{
\@PYT@outname
.py}}
{
\endVerbatimOut
\@PYT@comparefiles
\immediate\openin\@PYT@diff
=
\@PYT@outname
.cmp.rc
\immediate\read\@PYT@diff
to
\rc
\immediate\closein\@PYT@diff
\ifnumequal
{
\rc
}{0}{
%
Old file and new file are identical
\typeout
{PYTHON: No need to run the script again}
}{
%
Old file and new file are different or old is not present
\@PYT@executescript
}
\@PYT@returncode
\immediate\stepcounter
{@PythonEnvironmentCounter}
}
\newcommand
{
\@PYT@deactivateeightbit
}{
%
\count@
=127
\loop
\catcode\count@
=12
\ifnum
\count@
<255
\advance\count@\@ne
\repeat
}
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