build.py

import pathlib
import sys
import json

input_dir = pathlib.Path("tex")
output_dir = pathlib.Path("statements")

if len(sys.argv) < 2:
	print("Usage: build.py [template]")
	exit(1)

template = pathlib.Path("templates") / sys.argv[1]

for directory in input_dir.glob("*"):
    if not directory.is_dir():
        continue

    lang = directory.name
    print("Processing", directory, file=sys.stderr)

    template_file = (template / lang).with_suffix(".tex")
    if not template_file.exists():
    	print("Could not find template {template_file}.", file=sys.stderr)
    	exit(1)

    template_real = template_file.readlink().with_suffix("").name

    for problem in directory.glob("*"):
        if not problem.is_dir():
            continue

        for part in ("answer", "solution", "statement"):
            input_file = problem / f"{part}.tex"
            output_file = output_dir / problem.relative_to(input_dir) / f"{part}.html"
            output_file.parent.mkdir(parents=True, exist_ok=True)

            pandoc_cmd = [
                "/usr/bin/pandoc",
                "-t",
                "html",
                "-s",
                '--webtex="eqn://"',
                str(input_file),
            ]
            webtex_cmd = [
                "./wr",
                "-engine",
                "tectonic",
                "-template",
                str(template_file),
                "-innerhtml",
                "-eqdir",
                f"assets/eqs_{template_real}",
                "-outurl",
                f"eqs_{template_real}",
                "-output",
                str(output_file),
            ]

            print(" ".join(pandoc_cmd) + " | " + " ".join(webtex_cmd))