python日志模板

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s'
        },
        'main': {
            'datefmt': '%Y-%m-%d %H:%M:%S',
            'format': '%(asctime)s [%(module)s %(levelname)s] %(message)s',
        },
        'simple': {
            'format': '%(levelname)s %(message)s'
        },
    },
    'handlers': {
        'null': {
            'level': 'DEBUG',
            'class': 'logging.NullHandler',
        },
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
            'formatter': 'main'
        },
        'file': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'formatter': 'main',
            'filename': os.path.join(PROJECT_DIR, 'logs', 'jumpserver.log')
        },
        'ansible_logs': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'formatter': 'main',
            'filename': os.path.join(PROJECT_DIR, 'logs', 'ansible.log')
        },
    },
    'loggers': {
        'django': {
            'handlers': ['null'],
            'propagate': False,
            'level': LOG_LEVEL,
        },
        'django.request': {
            'handlers': ['console', 'file'],
            'level': LOG_LEVEL,
            'propagate': False,
        },
        'django.server': {
            'handlers': ['console', 'file'],
            'level': LOG_LEVEL,
            'propagate': False,
        },
        'jumpserver': {
            'handlers': ['console', 'file'],
            'level': LOG_LEVEL,
        },
        'jumpserver.users.api': {
            'handlers': ['console', 'file'],
            'level': LOG_LEVEL,
        },
        'jumpserver.users.view': {
            'handlers': ['console', 'file'],
            'level': LOG_LEVEL,
        },
        'ops.ansible_api': {
            'handlers': ['console', 'ansible_logs'],
            'level': LOG_LEVEL,
        },
        'django_auth_ldap': {
            'handlers': ['console', 'ansible_logs'],
            'level': "INFO",
        },
        # 'django.db': {
        #     'handlers': ['console', 'file'],
        #     'level': 'DEBUG'
        # }
    }
}

import logging
 
#create logger
logger = logging.getLogger('TEST-LOG')
logger.setLevel(logging.DEBUG)
 
 
# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
 
# create file handler and set level to warning
fh = logging.FileHandler("access.log")
fh.setLevel(logging.WARNING)
# create formatter
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
 
# add formatter to ch and fh
ch.setFormatter(formatter)
fh.setFormatter(formatter)
 
# add ch and fh to logger
logger.addHandler(ch)
logger.addHandler(fh)
 
# 'application' code
logger.debug('debug message')
logger.info('info message')
logger.warn('warn message')
logger.error('error message')
logger.critical('critical message')

 日志文件按时间（大小）自动截断

import logging

from logging import handlers

logger = logging.getLogger(__name__)

log_file = "timelog.log"
#fh = handlers.RotatingFileHandler(filename=log_file,maxBytes=10,backupCount=3)
fh = handlers.TimedRotatingFileHandler(filename=log_file,when="S",interval=5,backupCount=3)


formatter = logging.Formatter('%(asctime)s %(module)s:%(lineno)d %(message)s')

fh.setFormatter(formatter)

logger.addHandler(fh)


logger.warning("test1")
logger.warning("test12")
logger.warning("test13")
logger.warning("test14")