Function _metadata_matches

src/semble/cache.py:96–107

Return True if the stored metadata is compatible with the requested parameters.

(metadata: dict, model_path: str, content: Sequence[ContentType])

def _metadata_matches(metadata: dict, model_path: str, content: Sequence[ContentType]) -> bool:
    """Return True if the stored metadata is compatible with the requested parameters."""
    from semble.chunking.chunking import _DESIRED_CHUNK_LENGTH_CHARS  # avoid circular import at module level

    try:
        content_type = tuple(ContentType(s) for s in metadata["content_type"])
        # chunk_size is absent in indexes built before this field was added; treat None as mismatch
        # so old caches are transparently rebuilt with the current chunk size.
        chunk_size_ok = metadata.get("chunk_size") == _DESIRED_CHUNK_LENGTH_CHARS
        return metadata["model_path"] == model_path and set(content_type) == set(content) and chunk_size_ok
    except (KeyError, ValueError):
        return False


def get_validated_cache(path: str, model_path: str | None, content: Sequence[ContentType]) -> Path | None: