#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import os
import time
import logging
import logging.handlers

if __name__ == '__main__':
  if len(sys.argv) != 2:
    print('Usage:%s log_name' % (sys.argv[0]))
    sys.exit(0)

  log_dir = './log'
  log_name = sys.argv[1]
  logger = logging.getLogger(log_name)
  logger.setLevel(logging.DEBUG)

  # init handler
  formatter = logging.Formatter('%(message)s')
  file_time_handler = logging.handlers.TimedRotatingFileHandler(
      os.path.join(log_dir, log_name), "M", 1, 5)
  file_time_handler.setFormatter(formatter)
  file_time_handler.setLevel(logging.DEBUG)
  logger.addHandler(file_time_handler)

  while True:
    time.sleep(1)
    logger.info('Hello world %s' % (time.strftime("%Y/%M/%d-%H:%m:%S")))