Only report difference in content between two directories

def diff(self):
        """
        Only report difference in content between two directories
        """

        self._copyfiles = False
        self._updatefiles = False
        self._purge = False
        self._creatdirs = False
        self._updatefiles = False

        self.log('Difference of directory %s from %s\n' %
                 (self._dir2, self._dir1))
        self._diff(self._dir1, self._dir2)