{"library":"mypy-boto3-greengrassv2","title":"mypy-boto3-greengrassv2 Type Annotations","description":"Type annotations for the boto3 GreengrassV2 service (version 1.42.3), generated with `mypy-boto3-builder`. This library provides static type checking for boto3 interactions, enhancing code readability, catching errors early, and improving IDE support. Its releases typically align with boto3 updates and the `mypy-boto3-builder`'s development cycle.","language":"python","status":"active","last_verified":"Thu May 14","install":{"commands":["pip install mypy-boto3-greengrassv2","pip install 'boto3-stubs[greengrassv2]'"],"cli":null},"imports":["from mypy_boto3_greengrassv2.client import GreengrassV2Client","from mypy_boto3_greengrassv2.type_defs import AssociateClientDeviceWithCoreDeviceEntryTypeDef"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from typing import TYPE_CHECKING\nimport boto3\n\nif TYPE_CHECKING:\n    from mypy_boto3_greengrassv2.client import GreengrassV2Client\n    from mypy_boto3_greengrassv2.type_defs import ListCoreDevicesResponseTypeDef\n\ndef list_greengrass_core_devices() -> ListCoreDevicesResponseTypeDef:\n    # Initialize a boto3 client (runtime object)\n    client: GreengrassV2Client = boto3.client(\"greengrassv2\")\n\n    # Use the type-hinted client\n    response: ListCoreDevicesResponseTypeDef = client.list_core_devices()\n    print(\"Found Greengrass Core Devices:\")\n    for device in response.get(\"coreDevices\", []):\n        print(f\"  - {device.get('coreDeviceThingName')} (ARN: {device.get('coreDeviceArn')})\")\n    return response\n\nif __name__ == \"__main__\":\n    # This example requires valid AWS credentials configured in your environment\n    # (e.g., via AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION environment variables)\n    try:\n        list_greengrass_core_devices()\n    except Exception as e:\n        print(f\"An error occurred: {e}\")","lang":"python","description":"This quickstart demonstrates how to initialize a `boto3` GreengrassV2 client with type hints provided by `mypy-boto3-greengrassv2`. It includes an example of listing Greengrass Core Devices and correctly typing the client and the response, leveraging `TYPE_CHECKING` to prevent runtime dependencies on the stub 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