A useful function to call latexmk on python

pdf_with_latexmk.py

from tempfile import TemporaryDirectory as TempD
import subprocess  # nosec
from os import path
import base64
import shlex


def generate_tex_pdf(tex_string):
    """ Generic Function to convert a template string to pdf """

    with TemporaryDirectory() as tempdir:
        filename = "output.tex"
        path_tex = os.path.join(tempdir, filename)
        path_pdf = os.path.join(tempdir, 'output.pdf')
        logger.info(F"Path TEX: {path_tex}")
        command = (F"latexmk -interaction=nonstopmode -silent -pdf -f {path_tex}")
        args = shlex.split(command)
        os.chdir(tempdir)
        try:
            with open(path_tex,'wb+') as f:
                if isinstance(tex_string, bytes):
                    f.write(tex_string)
                else:
                    f.write(tex_string.encode())

            process = subprocess.run(args, check=True, shell=False)  # nosec B603
            # Write pdf file
            with open(path_pdf, 'rb') as f:
                pdf = f.read()
                return pdf

        except subprocess.CalledProcessError as e:
            """ Softly catch non zero status """
            if not os.path.exists(path_pdf):
                with open(os.path.join(tempdir, 'output.log'), 'rb') as g:
                    pdf_log = g.read()
                    logger.info(F"Latex ERROR output: {pdf_log}")
                raise e

            with open(path_pdf, 'rb') as f:
                pdf = f.read()
                return pdf

        except Exception as e:
            # Log if there was an error
            logger.error(F'[Generate_tex_pdf]: {e}, type: {type(e)}')
            raise e