Method exists

datastudio/utils/database.py:253–266

Check if image exists in cache. Args: image_path: Image path to check. Returns: bool: True if image exists.

(self, image_path: str)

        return shard_id, hex_digest.encode()

    def exists(self, image_path: str) -> bool:
        """Check if image exists in cache.

        Args:
            image_path: Image path to check.

        Returns:
            bool: True if image exists.
        """
        shard_id, key = self._get_shard_id_and_key(image_path)
        env = self._get_env(shard_id)

        with env.begin(write=False) as txn:
            return txn.get(key) is not None

    def put(self, image_path: str, img_bytes: bytes) -> bool:
        """Write a single image to cache.