def close(self):
		'''关闭与数据库的连接'''
		if VERBOSE:
			print 'Database connection CLOSE.'
		self.conn.close()
def _makeglobrecursive(pat):
    """Make a glob pattern recursive by appending "/**" to it"""
    if pat.endswith("/") or not pat:
        return pat + "**"
    else:
        return pat + "/**"