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"""This module contains the AWS DynamoDB hook"""
import warnings
from typing import Iterable, List, Optional

from airflow.exceptions import AirflowException
from import AwsBaseHook

[docs]class DynamoDBHook(AwsBaseHook): """ Interact with AWS DynamoDB. Additional arguments (such as ``aws_conn_id``) may be specified and are passed down to the underlying AwsBaseHook. .. seealso:: :class:`` :param table_keys: partition key and sort key :param table_name: target DynamoDB table """ def __init__( self, *args, table_keys: Optional[List] = None, table_name: Optional[str] = None, **kwargs ) -> None: self.table_keys = table_keys self.table_name = table_name kwargs["resource_type"] = "dynamodb" super().__init__(*args, **kwargs)
[docs] def write_batch_data(self, items: Iterable) -> bool: """Write batch items to DynamoDB table with provisioned throughout capacity.""" try: table = self.get_conn().Table(self.table_name) with table.batch_writer(overwrite_by_pkeys=self.table_keys) as batch: for item in items: batch.put_item(Item=item) return True except Exception as general_error: raise AirflowException(f"Failed to insert items in dynamodb, error: {str(general_error)}")
[docs]class AwsDynamoDBHook(DynamoDBHook): """ This class is deprecated. Please use :class:``. """ def __init__(self, *args, **kwargs): warnings.warn( "This class is deprecated. " "Please use :class:``.", DeprecationWarning, stacklevel=2, ) super().__init__(*args, **kwargs)

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