mypy-boto3-waf-regional

import boto3 from mypy_boto3_waf_regional import WAFRegionalClient from typing import TYPE_CHECKING import os # Ensure AWS region is set for boto3, e.g., via environment variable or ~/.aws/config os.environ.setdefault('AWS_REGION', os.environ.get('AWS_REGION', 'us-east-1')) if TYPE_CHECKING: # This block is for static type checking only, not executed at runtime. # 'client' will be type-checked as WAFRegionalClient. client: WAFRegionalClient = boto3.client("waf-regional") # Example of a type-checked API call; type checkers will validate arguments and response. response = client.list_rules() print(response.get('Rules')) # Type checker knows 'Rules' is a key here else: # This block runs at runtime. The type hint helps IDEs and linters. client: WAFRegionalClient = boto3.client("waf-regional") try: # Attempt a non-destructive API call to demonstrate functionality. response = client.list_rules() print(f"Successfully listed WAFRegional rules: {len(response.get('Rules', []))} rules found.") except Exception as e: print(f"Error listing WAFRegional rules (check AWS credentials and region): {e}") print("To run this code, ensure AWS credentials are configured (e.g., via AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION environment variables).")