LOG_NAME = os.path.join(BASE_DIR, 'logs', 'script_import.log')
class Logger(object):
    level_relations = {
        'debug': logging.DEBUG,
        'info': logging.INFO,
        'warning': logging.WARNING,
        'error': logging.ERROR
    }  # 日志级别关系映射
    
    def __init__(self, filename=LOG_NAME, level='info', when='D', back_count=0, fmt='%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s: %(message)s'):
        self.logger = logging.getLogger(filename)
        format_str = logging.Formatter(fmt)
        self.logger.setLevel(self.level_relations.get(level))  # 设置日志级别
        sh = logging.StreamHandler()  # 往屏幕上输出
        sh.setFormatter(format_str)  # 设置屏幕上显示的格式
        th = handlers.TimedRotatingFileHandler(filename=filename, when=when, backupCount=back_count, encoding='utf-8')
        th.setFormatter(format_str)
        self.logger.addHandler(sh)
        self.logger.addHandler(th)