text: import logging
  import logging.config
  import os
  
  import yaml
  
  fileLogger = logging.getLogger("fileLogger")
  
  
  def init_logger(conf_file):
      if os.path.exists(conf_file):
          with open(conf_file, 'r') as f:
              config = yaml.safe_load(f.read())
          logging.config.dictConfig(config)
  
  
  def debug_log(file_name, msg):
      if fileLogger.hasHandlers():
          if len(file_name.strip()) > 0:
              fileLogger.handlers[0].setFileName("debug_" + file_name)
          else:
              fileLogger.handlers[0].setFileName(fileLogger.handlers[0].defaultFileName)
          fileLogger.debug(msg)
  
  
  def error_log(file_name, msg):
      if fileLogger.hasHandlers():
          if len(file_name.strip()) > 0:
              fileLogger.handlers[0].setFileName("error_" + file_name)
          else:
              fileLogger.handlers[0].setFileName(fileLogger.handlers[0].defaultFileName)
          if isinstance(msg, Exception):
              try:
                  fileLogger.error(msg, exc_info=True)
              except Exception:
                  fileLogger.error(str(msg))
          else:
              fileLogger.error(str(msg))
  