def test_base_data_type(self):
nint32 = self.opc.get_node(ua.ObjectIds.Int32)
dtype = nint32.add_data_type(0, "MyCustomDataType")
dtype2 = dtype.add_data_type(0, "MyCustomDataType2")
self.assertEqual(ua_utils.get_base_data_type(dtype), nint32)
self.assertEqual(ua_utils.get_base_data_type(dtype2), nint32)
ext = self.opc.nodes.objects.add_variable(0, "MyExtensionObject", ua.Argument())
d = ext.get_data_type()
d = self.opc.get_node(d)
self.assertEqual(ua_utils.get_base_data_type(d), self.opc.get_node(ua.ObjectIds.Structure))
self.assertEqual(ua_utils.data_type_to_variant_type(d), ua.VariantType.ExtensionObject)
def _value_to_etree(self, el, type_name, dtype, val):
if val is None:
return
if isinstance(val, (list, tuple)):
if dtype.NamespaceIndex == 0 and dtype.Identifier <= 21:
elname = "uax:ListOf" + type_name
else: # this is an extentionObject:
elname = "uax:ListOfExtensionObject"
list_el = Et.SubElement(el, elname)
for nval in val:
self._value_to_etree(list_el, type_name, dtype, nval)
else:
dtype_base = get_base_data_type(self.server.get_node(dtype))
dtype_base = dtype_base.nodeid
if dtype_base == ua.NodeId(ua.ObjectIds.Enumeration):
dtype_base = ua.NodeId(ua.ObjectIds.Int32)
type_name = ua.ObjectIdNames[dtype_base.Identifier]
if dtype_base.NamespaceIndex == 0 and dtype_base.Identifier <= 21:
type_name = ua.ObjectIdNames[dtype_base.Identifier]
val_el = Et.SubElement(el, "uax:" + type_name)
self._val_to_etree(val_el, dtype_base, val)
else:
self._extobj_to_etree(el, type_name, dtype, val)
def _value_to_etree(self, el, type_name, dtype, val):
if val is None:
return
if isinstance(val, (list, tuple)):
if dtype.NamespaceIndex == 0 and dtype.Identifier <= 21:
elname = "uax:ListOf" + type_name
else: # this is an extentionObject:
elname = "uax:ListOfExtensionObject"
list_el = Et.SubElement(el, elname)
for nval in val:
self._value_to_etree(list_el, type_name, dtype, nval)
else:
dtype_base = get_base_data_type(self.server.get_node(dtype))
dtype_base = dtype_base.nodeid
if dtype_base == ua.NodeId(ua.ObjectIds.Enumeration):
dtype_base = ua.NodeId(ua.ObjectIds.Int32)
type_name = ua.ObjectIdNames[dtype_base.Identifier]
if dtype_base.NamespaceIndex == 0 and dtype_base.Identifier <= 21:
type_name = ua.ObjectIdNames[dtype_base.Identifier]
val_el = Et.SubElement(el, "uax:" + type_name)
self._val_to_etree(val_el, dtype_base, val)
else:
self._extobj_to_etree(el, type_name, dtype, val)
