config_manager.py

import yaml
import os
from typing import Dict, Any

class ConfigManager:
    def __init__(self, config_path: str = "config.yaml"):
        self.config_path = config_path
        self.config = self._load_config()

    def _load_config(self) -> Dict[str, Any]:
        """加载配置文件"""
        try:
            if not os.path.exists(self.config_path):
                raise FileNotFoundError(f"Configuration file not found: {self.config_path}")
            
            with open(self.config_path, 'r', encoding='utf-8') as f:
                return yaml.safe_load(f)
        except Exception as e:
            raise RuntimeError(f"Failed to load configuration: {str(e)}")

    def get_service_config(self, service: str) -> Dict[str, Any]:
        """获取指定服务的配置"""
        if not self.config or service not in self.config:
            raise ValueError(f"Configuration for service '{service}' not found")
        return self.config[service]