def close(self):
		'''关闭与数据库的连接'''
		if VERBOSE:
			print 'Database connection CLOSE.'
		self.conn.close()
def _compileddirpats(self):
        pat, matchfunc = _buildregexmatch(
            [("glob", p, "") for p in self._globdirpats], "$"
        )
        return matchfunc