Type Annotations for aiobotocore Lambda

3.4.0 · active · verified Sat Apr 11

types-aiobotocore-lambda provides machine-generated type annotations (stubs) for the aiobotocore Lambda service, enabling static type checking and improved IDE autocompletion for asynchronous AWS SDK usage in Python. It is part of the mypy-boto3-builder project, currently at version 3.4.0, with regular updates following upstream aiobotocore and botocore releases.

Warnings

breaking Python 3.8 is no longer supported. Packages generated by mypy-boto3-builder 8.12.0 and later require Python 3.9 or higher.
Fix: Upgrade your Python environment to 3.9 or newer. Ensure your CI/CD pipelines use a compatible Python version.
breaking Breaking changes in generated TypeDef naming conventions were introduced. Type definitions like `CreateDistributionRequestRequestTypeDef` might have been shortened to `CreateDistributionRequestTypeDef`.
Fix: Update your code to use the new TypeDef names. Refer to the documentation for specific service changes.
deprecated The `sms-voice` service was deprecated in favor of `pinpoint-sms-voice`. While this specific package is for Lambda, users transitioning from broader `types-aiobotocore` installations might encounter this if they used `sms-voice` types.
Fix: If integrating with SMS Voice functionality, switch to `types-aiobotocore-pinpoint-sms-voice` or `pinpoint-sms-voice` in your aiobotocore client calls.
gotcha PyCharm users may experience slow performance due to Literal overloads. The `types-aiobotocore-lite` package is recommended as an alternative for better IDE responsiveness.
Fix: Consider installing `types-aiobotocore-lite-lambda` instead (`pip install types-aiobotocore-lite-lambda`) or disable PyCharm's internal type checker and rely on `mypy`/`pyright`.

Install

pip install types-aiobotocore-lambda Standalone installation
pip install 'types-aiobotocore[lambda]' As part of the main types-aiobotocore package

Imports

LambdaClient

from types_aiobotocore_lambda.client import LambdaClient

LambdaServiceResource

from types_aiobotocore_lambda.service_resource import LambdaServiceResource

Exceptions
```
from types_aiobotocore_lambda.client import Exceptions
```
For client exceptions, usually accessed via `client.exceptions` at runtime.

Quickstart

This example demonstrates how to set up an aiobotocore Lambda client with explicit type annotations using `types-aiobotocore-lambda` to leverage static analysis and IDE autocompletion for asynchronous AWS Lambda operations. It lists available Lambda functions.

import asyncio
from aiobotocore.session import get_session
from types_aiobotocore_lambda.client import LambdaClient

async def list_lambda_functions():
    session = get_session()
    # Ensure AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY are set in environment
    # or ~/.aws/credentials for this to run.
    async with session.create_client("lambda") as client:
        client: LambdaClient # Explicit type hint for static analysis
        response = await client.list_functions()
        for func in response.get("Functions", []):
            print(f"Function Name: {func['FunctionName']}, Runtime: {func['Runtime']}")

if __name__ == "__main__":
    asyncio.run(list_lambda_functions())

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