Convert to Make-driven build

Makefile

+# Requires GNU make, xargs, a latex distribution, sage
+# and sagetex.sty visible in TEXINPUTS
+
+MAINTEXFILE = main.tex
+TEXFILES = ${MAINTEXFILE}
+SAGETEXSCRIPT = main.sagetex.sage
+
+main.pdf: ${TEXFILES}  main.sagetex.sout
+	latexmk
+
+main.sagetex.sout: ${SAGETEXSCRIPT} ${PYPLOTFILES}
+	PYTHONPATH=./sagetexscripts/ sage ${SAGETEXSCRIPT}
+
+${SAGETEXSCRIPT}: ${TEXFILES}
+	latexmk -interaction=nonstopmode ${MAINTEXFILE} || echo this shoud fail
+
+.PHONY: clean
+clean:
+	rm -rf **/__pycache__
+	latexmk -C
+	git clean -xf || echo no git repo to use for cleaning
+

main.tex

@@ -7,6 +7,7 @@
 \usepackage{graphicx}
 \usepackage{hyperref}
 \usepackage{color}
+\usepackage{sagetex}
 
 \newcommand{\QQ}{\mathbb{Q}}
 \newcommand{\ZZ}{\mathbb{Z}}
@@ -134,6 +135,11 @@ for the rank of $E$:
 
 \section{Refinement}
 
+
+\begin{sagesilent}
+	from pseudowalls import *
+\end{sagesilent}
+
 \section{Conclusion}
 
 \end{document}