mypy-boto3-opensearch

import boto3 from mypy_boto3_opensearch.client import OpenSearchServiceClient from mypy_boto3_opensearch.type_defs import ListDomainNamesResponseTypeDef import os # Ensure AWS credentials are configured (e.g., via environment variables or ~/.aws/credentials) # For demonstration, using environment variables if available aws_access_key_id = os.environ.get('AWS_ACCESS_KEY_ID', 'YOUR_ACCESS_KEY') aws_secret_access_key = os.environ.get('AWS_SECRET_ACCESS_KEY', 'YOUR_SECRET_KEY') aws_session_token = os.environ.get('AWS_SESSION_TOKEN', None) # Initialize the boto3 client for OpenSearchService, type-hinted for mypy-boto3 stubs client: OpenSearchServiceClient = boto3.client( "opensearch", region_name="us-east-1", aws_access_key_id=aws_access_key_id, aws_secret_access_key=aws_secret_access_key, aws_session_token=aws_session_token ) try: # Use the client; type-checking will now be active when running `mypy` response: ListDomainNamesResponseTypeDef = client.list_domain_names() print("OpenSearch Domains:") if response.get("DomainNames"): for domain in response["DomainNames"]: print(f"- {domain.get('DomainName')}") else: print( "No domains found in us-east-1 region or credentials not configured correctly." ) except Exception as e: print(f"Error listing domains: {e}") # To verify type checking, save this code as `your_script.py` and run `mypy your_script.py` in your terminal.