easy log use for extra infos
Project description
Logz
Log Easy 快速上手的日志记录工具
特性
- 上手容易
- 日志文件按日期动态生成
- DayRottingLogger
- 记录日志到Email
- safe extra fields
- 支持多个变量
- multiline log and indent for json
- debug as default level
安装方法
$ pip install logz
使用方法
简单使用
from logz import log
log.debug('debug msg')
log.info('info msg')
log.warning('warning msg')
log.error('error msg')
log.critical('critical mst')
try:
assert 0
except AssertionError as ex:
log.exception(ex)
输出:
2019-12-12 22:39:43,584 DEBUG debug msg
2019-12-12 22:39:43,584 INFO info msg
2019-12-12 22:39:43,584 WARNING warning msg
2019-12-12 22:39:43,585 ERROR error msg
2019-12-12 22:39:43,585 CRITICAL critical mst
Traceback (most recent call last):
File "/Users/apple/Documents/Projects/logz/logz/__init__.py", line 199, in <module>
assert 0
AssertionError
一次输出多个变量
像print函数一样,log.info等方法可以一次输出多个变量
a = 'hello'
b = 1
c = [2]
d = {'name': 'kevin'}
log.info(a,b,c,d)
输出:
2019-12-12 22:40:20,221 INFO hello 1 [2] {'name': 'kevin'}
注意: log方法中原来支持%s格式话的变量被修改为支持log多个变量 如果你想使用原有的日志方式:
import logging
logging.info('name=%s,age=%d', 'kevin',18)
你可以将变量直接格式化到字符串中,如下:
log.info('name=%s,age=%d' % ('kevin',18))
输出:
2019-12-12 22:41:58,024 INFO name=kevin,age=18
日志文件
log.file='tmps/tmp.log'
log.info('info msg')
注意: 日志目录必须存在
By default it's a rotting file and maxBytes=10240 and backUps=5
按日期记录日志
log.file='tmps/%Y-%m-%d.log'
log.info('info msg')
结果是一个按天滚动的日志文件,特别对于Flask等搭建等常驻型,Web服务,日志可以按天在新的日期自动生成新的日志,而无需重启
记录日志到Email中
废弃 ⚠️
log.email = dict(host="smtp.sina.com", user='test_results@sina.com', password='***',
receivers=['superhin@126.com'], capacity=10)
for i in range(20):
log.error('这个是个错误日志')
修改日志等级
log.level = 'info'
log.level = logging.INFO
log.debug('not show')
log.info('show info')
输出:
2019-12-12 22:43:24,479 INFO show info
使用字符串赋值level时大小写不敏感,
log.level = 'info'
或log.level = 'INFO'
都可以
修改日志格式
log.format = '%(levelname)s|%(filename)s|%(funcName)s|%(lineno)d|%(message)s'
使用额外字段
log.format = '%(asctime)s %(levelname)s %(user)s %(message)s'
log.info('hello with no user')
log.info('hello with kevin', extra={'user': 'Kevin'})
输出:
2019-12-12 22:45:18,604 INFO None hello with no user
2019-12-12 22:45:18,604 INFO kevin hello with kevin
JSON多行输出和字段缩进
log.info({'foo': 'bar'}, indent=2)
输出:
2019-12-09 19:30:16,419 DEBUG log None ->
{
"foo": "bar"
}
使用logit装饰器
使用logit装饰器在调用函数时将自动输出DEBUG
日志,包含调用方、调用参数,返回值,耗时信息等
from logz import logit
@logit
def add(a, b):
return a+b
def calc():
add(1, 20)
calc()
输出:
2020-06-30 12:39:06,124 DEBUG calc -> add(1,20) return: 21 duration: 0.017280101776123047s
对象方法中使用logit
class Calculator(object):
@logit
def add(self, a, b):
return a + b
Calculator.add(2,30)
待完善
- 通用extra字段及默认值配置
- log file to config maxBytes or else
- log to html
- log to db
- log diff
- log assert
- log print
- log to server using websocket
- more decorators such as @explain @exception @timeit @email
- support verbosity
Bugs
- logit装饰器在对象方法中报错
- 还原为logging.getLogger后
%(funcName)s
字段显示不正确
对比
logging | logz | logzero | loguru |
---|---|---|---|
功能 | |||
易用性 |
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