调整指令信息
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@@ -2,17 +2,20 @@ import logging
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from typing import Dict, List, Type, Callable, Any
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from threading import Lock
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class Event:
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"""事件基类"""
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def __init__(self, **kwargs):
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for key, value in kwargs.items():
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setattr(self, key, value)
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class EventManager:
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"""事件管理器,单例模式"""
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_instance = None
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_lock = Lock()
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@classmethod
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def get_instance(cls):
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"""获取事件管理器实例"""
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@@ -21,39 +24,39 @@ class EventManager:
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if cls._instance is None:
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cls._instance = cls()
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return cls._instance
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def __init__(self):
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if EventManager._instance is not None:
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raise RuntimeError("EventManager 是单例类,请使用 get_instance() 方法获取实例")
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self.handlers: Dict[Type[Event], List[Callable]] = {}
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self.logger = logging.getLogger("EventManager")
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def register(self, event_type: Type[Event], handler: Callable) -> None:
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"""注册事件处理器"""
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if event_type not in self.handlers:
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self.handlers[event_type] = []
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if handler not in self.handlers[event_type]:
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self.handlers[event_type].append(handler)
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self.logger.debug(f"注册事件处理器: {event_type.__name__} -> {handler.__name__}")
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def unregister(self, event_type: Type[Event], handler: Callable) -> None:
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"""取消注册事件处理器"""
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if event_type in self.handlers and handler in self.handlers[event_type]:
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self.handlers[event_type].remove(handler)
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self.logger.debug(f"取消注册事件处理器: {event_type.__name__} -> {handler.__name__}")
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def publish(self, event_type: Type[Event], event_data: Dict[str, Any] = None) -> None:
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"""发布事件"""
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if event_data is None:
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event_data = {}
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event = event_type(**event_data)
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if event_type in self.handlers:
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for handler in self.handlers[event_type]:
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try:
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handler(event)
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except Exception as e:
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self.logger.error(f"事件处理器 {handler.__name__} 处理 {event_type.__name__} 事件出错: {e}")
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self.logger.error(f"事件处理器 {handler.__name__} 处理 {event_type.__name__} 事件出错: {e}")
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