Loguru：优雅的Python程序日志

pip install loguru

logger.debug("That's it, beautiful and simple logging!")
logger.info("That's it, beautiful and simple logging!")
logger.warning("That's it, beautiful and simple logging!")
logger.error("That's it, beautiful and simple logging!")
logger.critical("That's it, beautiful and simple logging!")

logger.add(sink='log.txt', format="{time} {level} {message}", filter="my_module", level="INFO")

from loguru import logger

logger.add(sink='log.log', format="{time} - {level} - {message}", level="INFO")
logger.info("That's it, beautiful and simple logging!")

logger.add("file_1.log", rotation="500 MB")    # 日志文件的窗口大小是500M
logger.add("file_2.log", rotation="12:00")     # 每天中午12点创建新日志文件
logger.add("file_3.log", rotation="1 week")    # 自动更新旧文件
logger.add("file_X.log", retention="10 days")  # 清理旧文件
logger.add("file_Y.log", compression="zip")    # 压缩文件

logger.info("If you're using Python {}, prefer {feature} of course!", 3.6, feature="f-strings")

from loguru import logger

logger.add(sink='log.log', format="{time} - {level} - {message}", level="INFO")

@logger.catch
def my_function(x, y, z):
    return 1 / (x + y + z)

res = my_function(0,0,0)
print(res)

logger.add(sys.stdout, colorize=True, format="<green>{time}</green> <level>{message}</level>")

logger.add("somefile.log", enqueue=True)

from loguru import logger

logger.add("output.log", backtrace=True, diagnose=True)  # 设置为'False'可以保证生产中不泄露信息

def func(a, b):
    return a / b

def nested(c):
    try:
        func(5, c)
    except ZeroDivisionError:
        logger.exception("What?!")

nested(0)