commands.py 文件源码

def pdf(url: str):
    """
    Generate a PDF file with the presentation.
    """
    try:
        code = request.urlopen(url).getcode()
    except URLError:
        raise ValueError('Invalid URL provided!')

    if code != 200:
        raise ValueError('Unexpected server response!')

    with TemporaryDirectory() as tmpdir:
        name = 'slides.pdf'
        tmpdir = Path(tmpdir)
        command = 'docker run --user={uid}:{gid} --rm --net="host" ' + \
                  '-v {tmp}:{tmp}:Z -w {tmp} astefanutti/decktape ' + \
                  '{url} {name}'
        command = command.format(
            uid=os.getuid(),
            gid=os.getgid(),
            tmp=tmpdir,
            url=url,
            name=name,
        )
        run(shlex.split(command))
        move(str(tmpdir/name), str(Path.cwd()))