INNER CODE UNIT · Python

lambda_handler

aws-samples/serverless-test-samples · python-test-samples/apigw-lambda-dynamodb/src/app.py:28

def lambda_handler(event: APIGatewayProxyEvent, context: LambdaContext) -> dict:

    # Retrieve the table name from the environment, and create a boto3 Table object
    dynamodb_table_name = environ["DYNAMODB_TABLE_NAME"]
    dynamodb_resource = boto3.resource('dynamodb')
    dynamodb_table = dynamodb_resource.Table(dynamodb_table_name)
    print(f"Using DynamoDB Table {dynamodb_table_name}.")

    # User id field is passed as a path parameter
    id = event["pathParameters"]["id"]

    # Retrieve the person's name from an id, and construct the message.
    dynamodb_response = dynamodb_table.get_item(Key={"PK": f"{id}", "SK": "NAME#"})

    # Does the person exist for this id?
    if "Item" in dynamodb_response and "data" in dynamodb_response["Item"]:
        person_name = dynamodb_response["Item"]["data"]
        hello_message = f"Hello {person_name}!"

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