def _read(self):
        """reads the history file to a buffer
        """
        try:
            history_file = open(self._history_file_full_path)
        except __HOLE__:
            self._buffer = []
            return

        self._buffer = history_file.readlines()

        # strip all the lines
        self._buffer = [line.strip() for line in self._buffer]

        history_file.close()
dataset/ETHPy150Open eoyilmaz/anima/anima/env/houdini.py/FileHistory._read