import logging
import os
class MPFileLogHandler(logging.Handler):
    def __init__(self, file_path):
        self._fd = os.open(file_path, os.O_WRONLY | os.O_CREAT | os.O_APPEND)
        logging.Handler.__init__(self)

    def emit(self, record):
        msg = "{}\n".format(self.format(record))
        os.write(self._fd, msg.encode('utf-8'))