get_object_list

brainsets.utils.s3_utils.get_object_list(bucket, prefix, s3_client=None)

List all object keys under a prefix (excludes directories).

Parameters:

• bucket – S3 bucket name

• prefix – Key prefix to filter objects (e.g., “ds005555/”)

• s3_client – Optional pre-configured S3 client

Returns:

List of object keys (relative to the prefix)

Raises:

• RuntimeError – If listing fails

• ImportError – If boto3/botocore is not installed.