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DynamoDB ORM using dataclasses

Project description

DynamoClasses

API interface for Amazon Web Services DynamoDB built on top of PEP 557 Data Classes.

The goal is to have something that is fully a dataclass class, but gets some helpers bolted on allowing for retrieving/storing the objects in DynamoDB.

Basic Usage

>>> import botocore
>>>
>>> from moto import mock_dynamodb2
>>>
>>> from dynamoclasses import dynamoclass
>>>
>>> mock_dynamodb2().start()
>>>
>>> session = botocore.session.get_session()
>>> client = session.create_client("dynamodb")
>>> client.create_table(
...     TableName="inventory",
...     KeySchema=[
...         {"AttributeName": "item_id", "KeyType": "HASH"},
...     ],
...     AttributeDefinitions=[
...         {"AttributeName": "item_id", "AttributeType": "S"},
...     ],
...     ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
... )
{'TableDescription': ...}
>>>
>>> @dynamoclass(table_name="inventory", partition_key_name="item_id")
... class InventoryItem:
...     item_id: str
...
>>> item = InventoryItem("hammers")
>>> item.save()
{'Attributes': ...}
>>>
>>> found_item = InventoryItem.get(partition_key="hammers", sort_key=None)
>>>
>>> print(found_item.item_id)
hammers

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