{"id":3010,"library":"mypy-boto3-amplifybackend","title":"mypy-boto3-amplifybackend Type Annotations","description":"mypy-boto3-amplifybackend provides type annotations for the `boto3` AWS AmplifyBackend service. It ensures static type checking for your boto3 calls, catching potential errors at development time. This package is part of the `mypy-boto3-builder` ecosystem, currently at version 1.42.3, and releases frequently, synchronized with `boto3` and `botocore` updates.","status":"active","version":"1.42.3","language":"en","source_language":"en","source_url":"https://github.com/youtype/mypy_boto3_builder","tags":["aws","boto3","mypy","type-hints","stubs","amplifybackend"],"install":[{"cmd":"pip install mypy-boto3-amplifybackend","lang":"bash","label":"Install library"}],"dependencies":[{"reason":"Provides the AWS SDK for Python that these stubs type-check.","package":"boto3","optional":false},{"reason":"The static type checker that utilizes these stub files.","package":"mypy","optional":true}],"imports":[{"symbol":"AmplifyBackendClient","correct":"from mypy_boto3_amplifybackend import AmplifyBackendClient"},{"symbol":"CreateBackendRequestRequestTypeDef","correct":"from mypy_boto3_amplifybackend.type_defs import CreateBackendRequestRequestTypeDef"}],"quickstart":{"code":"import boto3\nfrom mypy_boto3_amplifybackend import AmplifyBackendClient\nfrom mypy_boto3_amplifybackend.type_defs import CreateBackendRequestRequestTypeDef, ResourceConfigTypeDef, AmplifyBackendTypeDef\n\ndef create_amplify_backend(app_id: str, app_name: str, region_name: str = \"us-east-1\") -> AmplifyBackendTypeDef:\n    \"\"\"\n    Demonstrates creating an Amplify Backend using a type-hinted boto3 client.\n    Note: A real backend creation requires more specific configurations\n    and an existing Amplify application. This is a minimal example for typing.\n    \"\"\"\n    \n    # Initialize the AmplifyBackend client with type hints\n    client: AmplifyBackendClient = boto3.client(\"amplifybackend\", region_name=region_name)\n\n    # Example minimal resource configuration\n    resource_config: ResourceConfigTypeDef = {\n        \"BackendManagerAppId\": \"amplify\", # Often \"amplify\" for Amplify Console managed backends\n        \"AmplifyMetaConfig\": {} # Typically contains ARN, Region, etc.\n    }\n\n    # Prepare the request payload using type definitions\n    request_payload: CreateBackendRequestRequestTypeDef = {\n        \"AppId\": app_id,\n        \"AppName\": app_name,\n        \"ResourceConfig\": resource_config,\n        \"ResourceType\": \"Amplify\", # Or \"Auth\", \"Storage\", \"API\" depending on what you're creating\n    }\n\n    try:\n        print(f\"Attempting to create Amplify Backend for AppId: {app_id}, AppName: {app_name}...\")\n        response: AmplifyBackendTypeDef = client.create_backend(**request_payload)\n        print(\"Backend creation initiated successfully.\")\n        print(f\"Operation ID: {response.get('OperationId')}\")\n        print(f\"App ID: {response.get('AppId')}\")\n        return response\n    except client.exceptions.NotFoundException:\n        print(f\"Error: Amplify App with ID '{app_id}' not found.\")\n    except Exception as e:\n        print(f\"An unexpected error occurred: {e}\")\n    return {}\n\nif __name__ == \"__main__\":\n    # Replace with your actual Amplify App ID and a desired app name\n    # Ensure AWS credentials are configured (e.g., via ~/.aws/credentials or environment variables)\n    # This example won't actually succeed without a valid pre-existing Amplify app ID\n    # and potentially more detailed ResourceConfig.\n    dummy_app_id = \"d123456789abc\" # This should be a real Amplify App ID for testing\n    dummy_app_name = \"MyAmplifyBackendApp\"\n    \n    # To run this code, replace dummy_app_id and dummy_app_name with real values\n    # and ensure your AWS environment is configured for boto3.\n    # result = create_amplify_backend(dummy_app_id, dummy_app_name)\n    # print(result)\n    print(\"Quickstart complete. Modify `dummy_app_id` and `dummy_app_name` to test with real values.\")\n","lang":"python","description":"This quickstart demonstrates how to use `mypy-boto3-amplifybackend` to add type hints to your boto3 AmplifyBackend client calls. It includes defining request payloads using type definitions and ensures type safety for the client object and its methods."},"warnings":[{"fix":"Upgrade your Python environment to 3.9 or higher, or downgrade to an older `mypy-boto3-amplifybackend` version (e.g., <1.42.0) if you must use Python 3.8.","message":"Python 3.8 support was removed for all `mypy-boto3` packages starting with `mypy-boto3-builder` version 8.12.0 (which generated `mypy-boto3-amplifybackend` 1.42.3).","severity":"breaking","affected_versions":">=8.12.0 (builder), >=1.42.0 (service stubs)"},{"fix":"Review your code for direct imports of TypeDefs and adjust names according to the new conventions, referring to the latest generated `type_defs.pyi` for the correct names.","message":"TypeDef naming conventions were changed in `mypy-boto3-builder` 8.9.0. This can break code that explicitly imports and uses specific TypeDef names if they were affected by the shortening of 'RequestRequestTypeDef' to 'RequestTypeDef' or the reordering of 'Extra' suffixes.","severity":"breaking","affected_versions":">=8.9.0 (builder), >=1.40.0 (service stubs)"},{"fix":"Add `plugins = boto3.mypy_boto3_plugin` to your `mypy` configuration file (e.g., `pyproject.toml` or `.mypy.ini`). Without this plugin, `mypy` might infer `Any` for the client object, reducing type-safety.","message":"For full type-checking of dynamic `boto3.client()` and `boto3.resource()` calls (e.g., `boto3.client(\"amplifybackend\")`), `mypy` must be configured with the `boto3.mypy_boto3_plugin`.","severity":"gotcha","affected_versions":"All versions"},{"fix":"Always try to keep your `mypy-boto3-amplifybackend` package version in sync with your `boto3` installation. For example, if `boto3` is `1.28.x`, use `mypy-boto3-amplifybackend~=1.28.x`.","message":"`mypy-boto3` stub versions are designed to synchronize with `boto3` releases. Using a `mypy-boto3-amplifybackend` version that significantly differs from your installed `boto3` can lead to incorrect or missing type hints.","severity":"gotcha","affected_versions":"All versions"}],"env_vars":null,"last_verified":"2026-04-11T00:00:00.000Z","next_check":"2026-07-10T00:00:00.000Z"}