Function get_validated_cache

src/semble/cache.py:110–147

Validates the cache folder and returns the index path.

(path: str, model_path: str | None, content: Sequence[ContentType])

def get_validated_cache(path: str, model_path: str | None, content: Sequence[ContentType]) -> Path | None:
    """Validates the cache folder and returns the index path."""
    index_path = find_index_from_cache_folder(path)
    if not index_path.exists():
        return None

    persistence_path = PersistencePath.from_path(index_path)
    if persistence_path.non_existing():
        return None

    if model_path is None:
        model_path = resolve_model_name()
    with open(persistence_path.metadata, encoding="utf-8") as f:
        metadata = json.load(f)
    if not _metadata_matches(metadata, model_path, content):
        return None

    if is_git_url(str(path)):
        return index_path

    write_time = metadata["time"]
    extensions = get_extensions(content)

    path_as_path = Path(path).resolve()
    stored_files: list[str] = metadata.get("file_paths", [])
    current_files = []
    for file_path in walk_files(path_as_path, extensions=extensions):
        file_status = get_file_status(file_path, write_time)
        if file_status == FileStatus.NEWER:
            return None
        if file_status != FileStatus.VALID:
            continue
        current_files.append(str(file_path.relative_to(path_as_path)))

    if set(current_files) != set(stored_files):
        return None

    return index_path