def get_lambda_region()

in handlers/aws/utils.py [0:0]

• 5 lines of code
• 3 McCabe index (conditional complexity)

def get_lambda_region() -> str:
    """
    Get the AWS region where the Lambda function is running.

    Returns the value of the `AWS_REGION` environment variable. If the
    `AWS_REGION` variable is not set, it returns the value of the
    `AWS_DEFAULT_REGION` variable.

    If neither variable is set, it raises a `ValueError`.

    Returns:
        str: The AWS region.
    """
    region = os.getenv("AWS_REGION") or os.getenv("AWS_DEFAULT_REGION")

    if region is None:
        raise ValueError("AWS region not found in environment variables.")

    return region