Method _opener

tests/mini_toolbox/pathlib.py:1229–1231

(self, name, flags, mode=0o666)

        raise ValueError("I/O operation on closed path")

    def _opener(self, name, flags, mode=0o666):
        # A stub for the opener argument to built-in open()
        return self._accessor.open(self, flags, mode)

    def _raw_open(self, flags, mode=0o777):
        """