dc398d7c7b
- 新增 CLIPluginAdapter 统一接口 (backend/app/core/agent_adapter.py) - 新增 LLM 服务层，支持 Anthropic/OpenAI/DeepSeek/Ollama (backend/app/services/llm_service.py) - 新增 Agent 执行引擎，支持文件锁自动管理 (backend/app/services/agent_executor.py) - 新增 NativeLLMAgent 原生 LLM 适配器 (backend/app/adapters/native_llm_agent.py) - 新增进程管理器 (backend/app/services/process_manager.py) - 新增 Agent 控制 API (backend/app/routers/agents_control.py) - 新增 WebSocket 实时通信 (backend/app/routers/websocket.py) - 更新前端 AgentsPage，支持启动/停止 Agent - 测试通过：Agent 启动、批量操作、栅栏同步 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
"""
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单例模式工具模块 - 统一管理全局服务实例
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"""
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from typing import TypeVar, Type, Dict, Callable, Optional
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T = TypeVar('T')
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class SingletonRegistry:
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"""单例注册表 - 统一管理所有服务实例"""
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_instances: Dict[str, object] = {}
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_factories: Dict[str, Callable[[], object]] = {}
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@classmethod
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def register(cls, name: str, factory: Callable[[], T]) -> None:
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"""注册服务工厂函数"""
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cls._factories[name] = factory
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@classmethod
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def get(cls, name: str, instance_type: Type[T]) -> T:
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"""获取或创建服务实例"""
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if name not in cls._instances:
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if name not in cls._factories:
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raise KeyError(f"未注册的服务: {name}")
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cls._instances[name] = cls._factories[name]()
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return cls._instances[name]
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@classmethod
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def reset(cls, name: Optional[str] = None) -> None:
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"""重置服务实例（用于测试）"""
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if name:
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cls._instances.pop(name, None)
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else:
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cls._instances.clear()
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def singleton_factory(factory: Callable[[], T]) -> Callable[[], T]:
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"""
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单例工厂装饰器
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用法:
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@singleton_factory
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def get_service():
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return Service()
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service = get_service() # 始终返回同一实例
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"""
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instance: Optional[T] = None
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def wrapper() -> T:
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nonlocal instance
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if instance is None:
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instance = factory()
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return instance
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return wrapper
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