def dist_get_direct_url(dist):
    # type: (Distribution) -> Optional[DirectUrl]
    """Obtain a DirectUrl from a pkg_resource.Distribution.

    Returns None if the distribution has no `direct_url.json` metadata,
    or if `direct_url.json` is invalid.
    """
    if not dist.has_metadata(DIRECT_URL_METADATA_NAME):
        return None
    try:
        return DirectUrl.from_json(dist.get_metadata(DIRECT_URL_METADATA_NAME))
    except (
        DirectUrlValidationError,
        JSONDecodeError,
        UnicodeDecodeError
    ) as e:
        logger.warning(
            "Error parsing %s for %s: %s",
            DIRECT_URL_METADATA_NAME,
            dist.project_name,
            e,
        )
        return None
Obtain a DirectUrl from a pkg_resource.Distribution.

    Returns None if the distribution has no `direct_url.json` metadata,
    or if `direct_url.json` is invalid.
    
product/gradle-plugin/src/main/python/pip/_internal/utils/direct_url_helpers.py