def __init__(self):
		'''创建表'''
		self.conn = sqlite3.connect("./items.db")
		if VERBOSE:
			print 'Database connection OPEN.'
		# Domain 表
		self.conn.execute(CTABLE_DOMAIN)
		# Website 表
		self.conn.execute(CTABLE_WEBSITE)
		# Rule 表 
		self.conn.execute(CTABLE_RULESETS)

		self.conn.commit()
		if VERBOSE:
			cur = self.conn.cursor()
			print 'Tables:',cur.execute("SELECT name FROM sqlite_master WHERE type = 'table'").fetchall()
def deserialize(self, value, display=False):
        value = decode(value).strip()
        validators.validate_required(value, self._required)
        if not value:
            return None

        socket_path = path.get_unix_socket_path(value)
        if socket_path is not None:
            path_str = Path(not self._required).deserialize(socket_path)
            return f"unix:{path_str}"

        try:
            socket.getaddrinfo(value, None)
        except OSError:
            raise ValueError("must be a resolveable hostname or valid IP")

        return value