Convert python files to pdf and concatenate all pdfs. Requires pygmentize, pdflatex and pdftk

python2pdf.sh

#!/bin/sh
# Run as ./python2pdf.sh $(ls *.py)

# For Debian the requirements are
# sudo apt install pdftk python3-pygments texlive-latex-base texlive-fonts-recommended texlive-fonts-extra texlive-latex-extra

outdir=${HOME}/tmp
mkdir ${outdir}

allpdfs=""
for f in "$@" ; do
    filename=$(basename "$f")
    filename="${filename%.*}"
    pygmentize -f tex -O title=$( echo $filename | tr '_' '-').py -O full -O style=default -o ${outdir}/$filename.tex $f
    pdflatex -jobname=$filename -output-directory=${outdir} ${outdir}/$filename.tex
    allpdfs="$allpdfs ${outdir}/$filename.pdf"
done

pdftk $allpdfs cat output ${outdir}/combined.pdf