def ensure_clients()

in 3-ai-native-e2e-sample/backend/clients.py [0:0]
39 lines of code
8 McCabe index (conditional complexity)

def ensure_clients():
    """Ensure clients are initialized for multi-agent communication."""
    global project_client, chat_client
    
    logger.info("🔌 Initializing Azure AI clients")
    
    try:
        conn_str = os.getenv("PROJECT_CONNECTION_STRING")
        if not conn_str:
            raise ValueError("PROJECT_CONNECTION_STRING environment variable not set")
        logger.debug("Connection string: %s", conn_str)
        
        if not project_client or not validate_project_client(project_client):
            logger.info("Creating new project client")
            try:
                project_client = AIProjectClient.from_connection_string(
                    credential=DefaultAzureCredential(),
                    conn_str=conn_str
                )
                logger.debug("Project client created: %s", project_client)
                logger.debug("Project client type: %s", type(project_client))
                logger.debug("Project client attributes: %s", dir(project_client))
                
                if not validate_project_client(project_client):
                    raise ValueError("Project client validation failed after creation")
                    
                logger.info("✅ AIProjectClient initialized successfully")
                
                logger.debug("Getting chat client from project client")
                chat_client = project_client.inference.get_chat_completions_client()
                logger.info("✅ Chat client initialized successfully")
            except Exception as e:
                logger.error("Failed to create project client: %s", str(e), exc_info=True)
                project_client = None
                chat_client = None
                raise
        else:
            logger.debug("Using existing project client: %s", project_client)
            
        if not validate_project_client(project_client):
            raise ValueError("Project client validation failed in final check")
            
        return project_client, chat_client
        
    except Exception as e:
        logger.error("❌ Failed to initialize clients: %s", str(e), exc_info=True)
        logger.error("Project client state: %s", project_client)
        logger.error("Connection string used: %s", os.getenv("PROJECT_CONNECTION_STRING", "Not set"))
        raise