create_latex_figures.py

import os, subprocess, shutil

file_dir = "./_includes/latex-figures"
tmppath = subprocess.Popen("echo $TMPDIR", shell=True, stdout=subprocess.PIPE).stdout.read().replace('\n','')

# find all files
files = []
for f in os.listdir(file_dir):
    if f.endswith(".tex"):
        files += [f]
    else:
        # just copy all other file types to tmppath
        shutil.copyfile(os.path.join(file_dir, f), os.path.join(tmppath, f))

documentpreamble = """\\documentclass{standalone}

\\usepackage{standalone}
\\usepackage[utf8]{inputenc}
\\usepackage{tikz}
\\usepackage{pgfplots}
\\pgfplotsset{compat=newest}
\\usepackage{circuitikz}
\\usepackage{SIunits}
\\usepackage{longtable}
\\usepackage{pgfplotstable}
\\usepackage{booktabs}
\\usepackage{dynamicnumber}
"""

for lfile in files:
    # read document content
    with open (os.path.join(file_dir,lfile), "r") as f:
        documentcontent=f.readlines()

    documentcontent = ''.join(documentcontent)

    # create latex source
    document = documentpreamble + "\\begin{document}\n" + documentcontent + "\\end{document}\n"

    print("Writing to file...")

    with open(os.path.join(tmppath, "latex-figure.tex"), 'w') as f:
        f.write(document)

    print("Done")

    # create pdf
    os.system("pushd $TMPDIR; pdflatex latex-figure.tex; popd")

    # create svg image
    os.system("pushd $TMPDIR; pdf2svg latex-figure.pdf latex-figure.svg; popd")

    # copy to correct dicrectory

    lfile, file_extension = os.path.splitext(lfile)
    subprocess.Popen("cp " + os.path.join(tmppath,"latex-figure.svg") + " ./assets/images/latex/"+lfile+".svg", shell=True, stdout=subprocess.PIPE)