get_object_bytes

torch_brain.utils.s3.get_object_bytes(bucket, key, *, s3_client=None)

Read a single S3 object into memory.

Parameters:

• bucket (str) – S3 bucket name

• key (str) – Object key to read

• s3_client (Optional[BaseClient]) – Optional pre-configured S3 client

Return type:

bytes | None

Returns:

Object contents as bytes, or None if the object does not exist on S3.

Raises:

• RuntimeError – If the read fails for a reason other than the object being absent.

• ImportError – If boto3/botocore is not installed.