From 594f56d8c6dd122d6841c134070753e69276d5cf Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Fri, 11 Mar 2022 22:03:59 +0000
Subject: pyluatex (11mar22) (branch)

git-svn-id: svn://tug.org/texlive/branches/branch2021.final@62639 c570f23f-e606-0410-a88d-b1316a301751
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 .../pyluatex/example/matplotlib-external.tex       | 53 ++++++++++++++++++++++
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 create mode 100644 Master/texmf-dist/doc/lualatex/pyluatex/example/matplotlib-external.tex

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diff --git a/Master/texmf-dist/doc/lualatex/pyluatex/example/matplotlib-external.tex b/Master/texmf-dist/doc/lualatex/pyluatex/example/matplotlib-external.tex
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+%% Copyright 2021-2022 Tobias Enderle
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3c
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+
+\documentclass{article}
+
+\usepackage{pyluatex}
+\usepackage{graphicx}
+
+\title{PyLuaTeX Example -- Matplotlib External}
+\author{Tobias Enderle}
+
+\begin{document}
+
+\maketitle
+
+In this document we demonstrate how \emph{matplotlib} plots can be generated and
+included in a document. In the Python code in this document, the plot is
+configured and saved to an external PDF file. This PDF file is then
+included as picture using \verb|\includegraphics|.
+
+\begin{center}
+\begin{python}
+# example based on
+# https://matplotlib.org/stable/gallery/lines_bars_and_markers/simple_plot.html
+import matplotlib.pyplot as plt
+import numpy as np
+
+t = np.arange(0.0, 2.0, 0.01)
+s = 1 + np.sin(2 * np.pi * t)
+
+fig, ax = plt.subplots()
+ax.plot(t, s)
+
+ax.set(xlabel='time (s)', ylabel='voltage (mV)',
+       title='About as simple as it gets, folks')
+ax.grid()
+
+fig.savefig('matplotlib-plot.pdf', bbox_inches='tight', pad_inches=0.1)
+\end{python}
+\includegraphics[width=0.8\textwidth]{matplotlib-plot.pdf}
+\end{center}
+
+For an alternative approach using the PGF backend, consider the example
+\verb|matplotlib-pgf.tex|.
+
+\end{document}
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