sphinx-d2lang/sphinx_d2lang/__init__.py

from sphinx.application import Sphinx

from .d2lang import D2langDirective

from typing import Any, Dict, List, Tuple

def setup(application: Sphinx) -> Dict[str, Any]:
    """
    setup extension.
    """
    application.add_directive('d2lang', D2langDirective)
    return {"version": '0.0.1', "parallel_read_safe": True}