rename to raw_item

docs/transaction.rst

@@ -108,8 +108,8 @@ Now, say you make another attempt to debit one of the accounts when they don't h
         assert e.cause_response_code == 'TransactionCanceledException'
         # the first 'update' was a reason for the cancellation
         assert e.cancellation_reasons[0].code == 'ConditionalCheckFailed'
-        # when return_values=ALL_OLD, the old values can be accessed from the item property
-        assert BankStatement.from_dynamodb_dict(e.cancellation_reasons[0].item) == user1_statement
+        # when return_values=ALL_OLD, the old values can be accessed from the raw_item property
+        assert BankStatement.from_dynamodb_dict(e.cancellation_reasons[0].raw_item) == user1_statement
         # the second 'update' wasn't a reason, but was cancelled too
         assert e.cancellation_reasons[1] is None
 

pynamodb/connection/base.py

@@ -357,7 +357,7 @@ def _make_api_call(self, operation_name: str, operation_kwargs: Dict) -> Dict:
                         CancellationReason(
                             code=d['Code'],
                             message=d.get('Message'),
-                            item=cast(Optional[Dict[str, Dict[str, Any]]], d.get('Item')),
+                            raw_item=cast(Optional[Dict[str, Dict[str, Any]]], d.get('Item')),
                         ) if d['Code'] != 'None' else None
                     )
                     for d in cancellation_reasons

pynamodb/exceptions.py

@@ -134,7 +134,7 @@ class CancellationReason:
     """
     code: str
     message: Optional[str] = None
-    item: Optional[Dict[str, Dict[str, Any]]] = None
+    raw_item: Optional[Dict[str, Dict[str, Any]]] = None
 
 
 class TransactWriteError(PynamoDBException):

tests/integration/test_transaction_integration.py

@@ -181,7 +181,7 @@ def test_transact_write__error__transaction_cancelled__condition_check_failure__
     assert exc_info.value.cause_response_code == TRANSACTION_CANCELLED
     assert 'ConditionalCheckFailed' in exc_info.value.cause_response_message
     assert exc_info.value.cancellation_reasons == [
-        CancellationReason(code='ConditionalCheckFailed', message='The conditional request failed', item=User(1).to_dynamodb_dict()),
+        CancellationReason(code='ConditionalCheckFailed', message='The conditional request failed', raw_item=User(1).to_dynamodb_dict()),
     ]
     assert isinstance(exc_info.value.cause, botocore.exceptions.ClientError)
     assert User.Meta.table_name in exc_info.value.cause.MSG_TEMPLATE