from temporalio import workflow with workflow.unsafe.imports_passed_through(): from typing import Any from sientia_do.notifications.handlers import CoreNotificationHandler as NotificationHandler from sientia_do.observability.logger import Logger from sientia_do.temporal.activities.postgres import Postgres from model_manager.activities.gates import Gates from model_manager.activities.mlflow import MLFlow class Activities(Postgres, MLFlow, Gates): """ Main activities orchestrator for the Model Manager system. This class combines functionality from multiple activity classes to provide a unified interface for all workflow operations. It manages database connections, MLFlow model interactions, and data quality validation. The class implements multiple inheritance to combine specialized functionality: - Postgres: Database operations and data persistence - MLFlow: Model inference and transformation operations - Gates: Data quality validation and filtering mechanisms Attributes: postgres_config (dict): PostgreSQL connection configuration mlflow_config (dict): MLFlow server configuration logger (Logger): Logging and observability instance notification_handler (NotificationHandler): Notification management instance """ def __init__( self, postgres_config: dict[str, Any], mlflow_config: dict[str, Any], logger: Logger, notification_handler: NotificationHandler, ): """ Initialize the Activities orchestrator with all required configurations. This constructor initializes all parent classes with their respective configurations and sets up the foundation for all activity operations. Args: postgres_config: PostgreSQL connection configuration dictionary Required keys: host, port, user, password, dbname, min_connections, max_connections mlflow_config: MLFlow server configuration dictionary Required keys: host, port, username, password logger: Logger instance for observability and debugging notification_handler: Notification handler for alerts and monitoring Raises: Exception: If any parent class initialization fails """ # Initialize parent classes Postgres.__init__( self, host=postgres_config['host'], port=postgres_config['port'], user=postgres_config['user'], password=postgres_config['password'], dbname=postgres_config['dbname'], min_connections=postgres_config['min_connections'], max_connections=postgres_config['max_connections'], logger=logger, notification_handler=notification_handler, ) MLFlow.__init__( self, mlflow_host=mlflow_config['host'], mlflow_port=mlflow_config['port'], mlflow_username=mlflow_config['username'], mlflow_password=mlflow_config['password'], logger=logger, notification_handler=notification_handler, ) Gates.__init__(self, logger=logger, notification_handler=notification_handler) async def shutdown(self): """ Gracefully shutdown all activities and clean up resources. This method ensures proper cleanup of all resources including: - PostgreSQL connection pools - Any other resources that need explicit cleanup The method should be called before the application terminates to ensure proper resource cleanup and prevent resource leaks. """ Postgres.close(self)