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48 lines
1.3 KiB
48 lines
1.3 KiB
"""
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全局日志管理器
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"""
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from PyQt5.QtCore import QObject, pyqtSignal
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# --- 1. 定义信号发射器 ---
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class SignalEmitter(QObject):
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log_signal = pyqtSignal(str, str)
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# --- 2. 定义 Logger 类 (这是之前缺失的核心) ---
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class Logger:
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def __init__(self):
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# 创建信号发射器实例
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self.emitter = SignalEmitter()
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# 连接信号到槽函数
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self.emitter.log_signal.connect(self._on_log_received)
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# 存储回调函数（即日志面板的接收方法）
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self.log_callbacks = []
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def _on_log_received(self, message, level):
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"""实际处理日志的地方"""
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for callback in self.log_callbacks:
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callback(message, level)
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def add_listener(self, func):
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"""注册日志监听者"""
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self.log_callbacks.append(func)
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def log(self, msg, level="INFO"):
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"""供其他模块调用的方法"""
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self.emitter.log_signal.emit(msg, level)
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# 便捷方法
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def info(self, msg):
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self.log(msg, "INFO")
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def debug(self, msg):
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self.log(msg, "DEBUG")
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def warning(self, msg):
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self.log(msg, "WARNING")
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def error(self, msg):
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self.log(msg, "ERROR")
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# --- 3. 创建全局实例 ---
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# 这行代码必须在类定义之后
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logger = Logger()
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