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Import sanitized project structure and GitHub docs
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import logging
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import os
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from logging.handlers import RotatingFileHandler
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# 创建 logs 文件夹(如果不存在)
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if not os.path.exists("logs"):
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os.makedirs("logs")
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# 日志格式
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LOG_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s"
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# 日志文件路径
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LOG_FILE = "logs/app.log"
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# 配置日志
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def setup_logger(name="app", level=logging.INFO):
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"""
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配置日志记录器
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:param name: 日志记录器名称
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:param level: 日志级别
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:return: 配置好的日志记录器
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"""
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logger = logging.getLogger(name)
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logger.setLevel(level)
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# 防止重复添加处理器
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if not logger.handlers:
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# 控制台日志处理器
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console_handler = logging.StreamHandler()
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console_handler.setLevel(level)
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console_formatter = logging.Formatter(LOG_FORMAT)
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console_handler.setFormatter(console_formatter)
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# 文件日志处理器(带日志轮转)
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file_handler = RotatingFileHandler(LOG_FILE, maxBytes=5 * 1024 * 1024, backupCount=3, encoding="utf-8")
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file_handler.setLevel(level)
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file_formatter = logging.Formatter(LOG_FORMAT)
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file_handler.setFormatter(file_formatter)
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# 添加处理器到日志记录器
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logger.addHandler(console_handler)
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logger.addHandler(file_handler)
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return logger
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# 示例:使用日志记录器
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if __name__ == "__main__":
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logger = setup_logger(level=logging.DEBUG)
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logger.debug("这是一个调试信息")
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logger.info("这是一个普通信息")
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logger.warning("这是一个警告信息")
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logger.error("这是一个错误信息")
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logger.critical("这是一个严重错误信息")
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