move item transformers out of the internal namespace

examples/src/aws_kms_encrypted_item.py

@@ -16,9 +16,9 @@
 from dynamodb_encryption_sdk.encrypted import CryptoConfig
 from dynamodb_encryption_sdk.encrypted.item import decrypt_python_item, encrypt_python_item
 from dynamodb_encryption_sdk.identifiers import CryptoAction
-from dynamodb_encryption_sdk.internal.formatting.transform import dict_to_ddb
 from dynamodb_encryption_sdk.material_providers.aws_kms import AwsKmsCryptographicMaterialsProvider
 from dynamodb_encryption_sdk.structures import AttributeActions, EncryptionContext, TableInfo
+from dynamodb_encryption_sdk.transform import dict_to_ddb
 
 
 def encrypt_item(table_name, aws_cmk_id):

src/dynamodb_encryption_sdk/encrypted/item.py

@@ -24,10 +24,10 @@
 from dynamodb_encryption_sdk.internal.formatting.material_description import (
     deserialize as deserialize_material_description, serialize as serialize_material_description
 )
-from dynamodb_encryption_sdk.internal.formatting.transform import ddb_to_dict, dict_to_ddb
 from dynamodb_encryption_sdk.internal.identifiers import (
     MaterialDescriptionKeys, MaterialDescriptionValues, ReservedAttributes
 )
+from dynamodb_encryption_sdk.transform import ddb_to_dict, dict_to_ddb
 from . import CryptoConfig  # noqa pylint: disable=unused-import
 
 __all__ = ('encrypt_dynamodb_item', 'encrypt_python_item', 'decrypt_dynamodb_item', 'decrypt_python_item')

test/functional/functional_test_utils.py

@@ -29,12 +29,12 @@
 from dynamodb_encryption_sdk.encrypted.resource import EncryptedResource
 from dynamodb_encryption_sdk.encrypted.table import EncryptedTable
 from dynamodb_encryption_sdk.identifiers import CryptoAction
-from dynamodb_encryption_sdk.internal.formatting.transform import ddb_to_dict, dict_to_ddb
 from dynamodb_encryption_sdk.internal.identifiers import ReservedAttributes
 from dynamodb_encryption_sdk.material_providers.static import StaticCryptographicMaterialsProvider
 from dynamodb_encryption_sdk.material_providers.wrapped import WrappedCryptographicMaterialsProvider
 from dynamodb_encryption_sdk.materials.raw import RawDecryptionMaterials, RawEncryptionMaterials
 from dynamodb_encryption_sdk.structures import AttributeActions
+from dynamodb_encryption_sdk.transform import ddb_to_dict, dict_to_ddb
 
 _DELEGATED_KEY_CACHE = defaultdict(lambda: defaultdict(dict))
 TEST_TABLE_NAME = 'my_table'

test/functional/internal/formatting/test_attribute.py

@@ -18,7 +18,7 @@
 from dynamodb_encryption_sdk.exceptions import DeserializationError, SerializationError
 from dynamodb_encryption_sdk.internal.formatting.deserialize.attribute import deserialize_attribute
 from dynamodb_encryption_sdk.internal.formatting.serialize.attribute import serialize_attribute
-from dynamodb_encryption_sdk.internal.formatting.transform import ddb_to_dict, dict_to_ddb
+from dynamodb_encryption_sdk.transform import ddb_to_dict, dict_to_ddb
 from ...functional_test_vector_generators import attribute_test_vectors
 from ...hypothesis_strategies import ddb_attribute_values, ddb_items, SLOW_SETTINGS, VERY_SLOW_SETTINGS