logging

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import logging
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from logging.handlers import RotatingFileHandler
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class Log():
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    """对日志输出功能进行封装"""
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    def __init__(self, filename):
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        """初始化日志格式"""
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        self.filename = filename + ".log"
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        self.LOG_FORMAT = "%(asctime)s - %(levelname)s - %(message)s"
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        self.DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
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    def log(self):
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        # 配置日志超过指定大小删除
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        rfh = RotatingFileHandler(
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                filename=self.filename,
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                maxBytes=1024*1024*5,
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                backupCount=1)
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        # 配置日志格式
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        logging.basicConfig(
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                format=self.LOG_FORMAT,
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                datefmt=self.DATE_FORMAT,
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                level=logging.INFO, # 日志最低严重级别
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                handlers=[rfh]
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            )
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        return logging
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if __name__ == "__main__":
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    log = Log('test').log()
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    log.debug('TEST, 42')