get_logger.py

def get_logger(app_name:str = 'ron_test_app'):
    fmt = '[%(asctime)s] [%(module)s] [%(levelname)s] %(message)s'
    logger = logging.getLogger()
    logger.setLevel(logging.DEBUG)
    date = datetime.now()
    log_file_dir_path ="/tmp/var/log/{}/{}/".format(app_name, date.strftime('%Y/%m-%d'))
    log_file_name = '{}-{}.txt'.format(app_name, date.strftime('%Y%m%d-%H-%M-%S'))
    pathlib.Path(log_file_dir_path).mkdir(parents=True, exist_ok=True)
    fh = logging.FileHandler(log_file_dir_path+log_file_name)
    fh.setLevel(logging.DEBUG)
    formatter = logging.Formatter(fmt)
    fh.setFormatter(formatter)
    logger.addHandler(fh)
    try:
        import coloredlogs
        field_styles = {'asctime': {'color': 'white'},
                        'hostname': {'color': 'white'},
                        'levelname': {'color': 'white'},
                        'name': {'color': 'white'},
                        'programname': {'color': 'white'},
                        'module':{'color': 'white'}}

        level_styles = {'critical': {'color': 'magenta'},
                        'debug': {'color': 'blue'},
                        'error': {'color': 'red'},
                        'info': {'color': 'green' },
                        'notice': {'color': 'magenta'},
                        'spam': {'color': 'green', },
                        'success': {'color': 'green'},
                        'verbose': {'color': 'blue'},
                        'warning': {'color': 'yellow'}}

        coloredlogs.install(fmt=fmt, level='DEBUG', field_styles=field_styles, level_styles=level_styles )

    except ImportError:
        ch = logging.StreamHandler()
        ch.setLevel(logging.INFO)
        ch.setFormatter(formatter)
        logger.addHandler(ch)
        logger.warning('failed to import coloredlogs try to run "pip install coloredlogs"')