Class ExtensionObject

opcua/ua/uatypes.py:587–621

Any UA object packed as an ExtensionObject :ivar TypeId: :vartype TypeId: NodeId :ivar Body: :vartype Body: bytes

class ExtensionObject(FrozenClass):
    """
    Any UA object packed as an ExtensionObject

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar Body:
    :vartype Body: bytes
    """
    ua_switches = {
        'Body': ('Encoding', 0),
    }

    ua_types = (
            ("TypeId", "NodeId"),
            ("Encoding", "Byte"),
            ("Body", "ByteString"),
            )

    def __init__(self):
        self.TypeId = NodeId()
        self.Encoding = 0
        self.Body = None
        self._freeze = True

    def __bool__(self):
        return self.Body is not None
    __nonzero__ = __bool__  # Python2 compatibilty

    def __str__(self):
        size = len(self.Body) if self.Body is not None else None
        return 'ExtensionObject(' + 'TypeId:' + str(self.TypeId) + ', ' + \
            'Encoding:' + str(self.Encoding) + ', ' + str(size) + ' bytes)'

    __repr__ = __str__


class VariantType(Enum):