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Python工具: LogZero 一个“扎了马步” 的日志工

2019-02-27  本文已影响0人  78c40b03ee4e

前言

LogZero 是一个稳健有效的 Python 2 和 Python 3 日志工具。

特性

示例

from logzero import logger

logger.debug("hello")
logger.info("info")
logger.warn("warn")
logger.error("error")

# This is how you'd log an exception
try:
    raise Exception("this is a demo exception")
except Exception as e:
    logger.exception(e)

添加日志滚动也很容易

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import logzero
from logzero import logger

# Setup rotating logfile with 3 rotations, each with a maximum filesize of 1MB:
logzero.logfile("/tmp/rotating-logfile.log", maxBytes=1e6, backupCount=3)

# Log messages
logger.info("This log message goes to the console and the logfile")

下面是一些例子说明如何使用日志文件、自定义格式以及设置最低日志等级。

import logging
import logzero
from logzero import logger

# This log message goes to the console
logger.debug("hello")

# Set a minimum log level
logzero.loglevel(logging.INFO)

# Set a logfile (all future log messages are also saved there)
logzero.logfile("/tmp/logfile.log")

# You can also set a different loglevel for the file handler
logzero.logfile("/tmp/logfile.log", loglevel=logging.ERROR)

# Set a rotating logfile (replaces the previous logfile handler)
logzero.logfile("/tmp/rotating-logfile.log", maxBytes=1000000, backupCount=3)

# Disable logging to a file
logzero.logfile(None)

# Set a custom formatter
formatter = logging.Formatter('%(name)s - %(asctime)-15s - %(levelname)s: %(message)s');
logzero.formatter(formatter)

# Log some variables
logger.info("var1: %s, var2: %s", var1, var2
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