Function build_pdf

build_ebook.py:154–195

Build combined Markdown file into a PDF.

(markdown_file: Path, pdf_file: Path, args: argparse.Namespace)

def build_pdf(markdown_file: Path, pdf_file: Path, args: argparse.Namespace) -> Path:
    """Build combined Markdown file into a PDF."""

    try:
        subprocess.check_output(["xelatex", "--version"])
    except FileNotFoundError:
        raise RuntimeError(f"failed to build {pdf_file}: xelatex not installed")

    try:
        keys_values = [(arg, getattr(args, arg)) for arg in vars(args)]
        opts = [f"{key}={val}" for key, val in keys_values if val != ""]
        pandoc_args = [x for i in opts for x in ("-V", i)]

        subprocess.check_output(
            [
                "pandoc",
                markdown_file.as_posix(),
                "-V",
                "documentclass=report"
            ]
            +
            pandoc_args
            +
            [
                "-t",
                "latex",
                "-s",
                "--toc",
                "--listings",
                "-H",
                "ebook/listings-setup.tex",
                "-o",
                pdf_file.as_posix(),
                "--pdf-engine=xelatex",
            ]
        )
    except CalledProcessError as e:
        raise RuntimeError(
            f"failed to build {pdf_file}: pandoc failed: {e.output.decode()}"
        )

    return pdf_file


def build_epub(markdown_file: Path, epub_file: Path) -> Path: