helpers# pynamodb_mate.helpers.bytes_to_base85str(b: bytes) → str[source]# pynamodb_mate.helpers.base85str_to_bytes(s: str) → bytes[source]# pynamodb_mate.helpers.sha256(b: bytes) → str[source]# pynamodb_mate.helpers.split_s3_uri(s3_uri: str) → Tuple[str, str][source]# Split AWS S3 URI, returns bucket and key. pynamodb_mate.helpers.join_s3_uri(bucket: str, key: str) → str[source]# Join AWS S3 URI from bucket and key.