#!/usr/bin/env python

# coding: utf8

import logging

from logging.handlers import TimedRotatingFileHandler

logger = None

log_name = "db.logger"

file_name = "db.log"

def init_logger():

global logger, log_name

logger = logging.getLogger(log_name)

logger.setLevel(logging.DEBUG)

# set rotate log files

file_handler = TimedRotatingFileHandler(file_name, 'S', 1, 3)

formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")

file_handler.suffix = "%Y-%m-%d_%H-%M-%S"

file_handler.setFormatter(formatter)

logger.addHandler(file_handler)

def get_logger():

global logger

if not logger:

init_logger()

return logger