47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
import logging
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class LogHandler(logging.Handler):
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_instance = None
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_widget = None
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super().__new__(cls)
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return cls._instance
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def __init__(self):
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if not hasattr(self, '_initialized'):
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super().__init__()
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self._initialized = True
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self.setFormatter(logging.Formatter('%(message)s'))
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@classmethod
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def set_widget(cls, widget):
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cls._widget = widget
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def emit(self, record):
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if self._widget:
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self._widget.append_log(
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record.levelname,
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self.format(record)
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)
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def setup_logger():
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"""设置全局日志配置"""
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# 配置根日志记录器
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root_logger = logging.getLogger()
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root_logger.setLevel(logging.DEBUG)
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# 获取或创建日志处理器实例
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handler = LogHandler()
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# 检查是否已经添加了这个处理器
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for existing_handler in root_logger.handlers:
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if isinstance(existing_handler, LogHandler):
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return handler
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# 如果没有，则添加处理器
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root_logger.addHandler(handler)
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return handler
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logger = logging.getLogger(__name__) |