text: # Copyright (c) 2017-2018 {Flair Inc.} WESLEY PENG
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import logging
  import sys
  
  
  def _logger(name=None):
      if not name:
          name = __name__.split('.')[0]
      __logger = logging.getLogger(name)
  
      if not __logger.handlers:
          handler = logging.StreamHandler(sys.stdout)
          handler.setLevel(logging.DEBUG)
          handler.setFormatter(
              logging.Formatter(
                  '[%(asctime)s] [%(levelname)s] %(message)s',
                  '%Y-%m-%d %H:%M:%S'
              )
          )
  
          __logger.setLevel(logging.INFO)
          __logger.addHandler(handler)
  
      return __logger
  
  
  logger = _logger()
  