def _show_structs(self):
base_struct = self.server_mgr.get_node(ua.ObjectIds.Structure)
opc_binary = self.server_mgr.get_node(
ua.ObjectIds.OPCBinarySchema_TypeSystem)
opc_schema = self.server_mgr.get_node(ua.ObjectIds.OpcUa_BinarySchema)
for node in opc_binary.get_children():
if node == opc_schema:
continue # This is standard namespace structures
try:
ns = node.get_child("0:NamespaceUri").get_value()
ar = self.server_mgr.get_namespace_array()
idx = ar.index(ns)
except ua.UaError:
idx = 1
xml = node.get_value()
if not xml:
return
xml = xml.decode("utf-8")
generator = StructGenerator()
generator.make_model_from_string(xml)
for el in generator.model:
# we only care about structs, ignoring enums
if isinstance(el, Struct):
self._add_design_node(base_struct, idx, el)
def test_structs_save_and_import(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
struct_dict = c.save_and_import("structures.py")
for k, v in struct_dict.items():
a = v()
self.assertEqual(k, a.__class__.__name__)
def test_structs_save_and_import(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
struct_dict = c.save_and_import("structures.py")
for k, v in struct_dict.items():
a = v()
self.assertEqual(k, a.__class__.__name__)
def test_custom_structs_array(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
c.save_to_file("tests/structures.py")
import structures as s
# test with default values
v = s.ArrayValueDataType()
data = struct_to_binary(v)
v2 = struct_from_binary(s.ArrayValueDataType, ua.utils.Buffer(data))
# set some values
v = s.ArrayValueDataType()
v.SbyteValue = [1]
v.ByteValue = [2]
v.Int16Value = [3]
v.UInt16Value = [4]
v.Int32Value = [5]
v.UInt32Value = [6]
v.Int64Value = [7]
v.UInt64Value = [8]
v.FloatValue = [9.0]
v.DoubleValue = [10.0]
v.StringValue = ["elleven"]
v.DateTimeValue = [datetime.utcnow()]
#self.GuidValue = uuid.uudib"14"
v.ByteStringValue = [b"fifteen", b"sixteen"]
v.XmlElementValue = [ua.XmlElement("<toto>titi</toto>")]
v.NodeIdValue = [ua.NodeId.from_string("ns=4;i=9999"), ua.NodeId.from_string("i=6")]
#self.ExpandedNodeIdValue =
#self.QualifiedNameValue =
#self.LocalizedTextValue =
#self.StatusCodeValue =
#self.VariantValue =
#self.EnumerationValue =
#self.StructureValue =
#self.Number =
#self.Integer =
#self.UInteger =
data = struct_to_binary(v)
v2 = struct_from_binary(s.ArrayValueDataType, ua.utils.Buffer(data))
self.assertEqual(v.NodeIdValue, v2.NodeIdValue)
print(v2.NodeIdValue)
def test_custom_structs(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
c.save_to_file("tests/structures.py")
import structures as s
# test with default values
v = s.ScalarValueDataType()
data = struct_to_binary(v)
v2 = struct_from_binary(s.ScalarValueDataType, ua.utils.Buffer(data))
# set some values
v = s.ScalarValueDataType()
v.SbyteValue = 1
v.ByteValue = 2
v.Int16Value = 3
v.UInt16Value = 4
v.Int32Value = 5
v.UInt32Value = 6
v.Int64Value = 7
v.UInt64Value = 8
v.FloatValue = 9.0
v.DoubleValue = 10.0
v.StringValue = "elleven"
v.DateTimeValue = datetime.utcnow()
#self.GuidValue = uuid.uudib"14"
v.ByteStringValue = b"fifteen"
v.XmlElementValue = ua.XmlElement("<toto>titi</toto>")
v.NodeIdValue = ua.NodeId.from_string("ns=4;i=9999")
#self.ExpandedNodeIdValue =
#self.QualifiedNameValue =
#self.LocalizedTextValue =
#self.StatusCodeValue =
#self.VariantValue =
#self.EnumerationValue =
#self.StructureValue =
#self.Number =
#self.Integer =
#self.UInteger =
data = struct_to_binary(v)
v2 = struct_from_binary(s.ScalarValueDataType, ua.utils.Buffer(data))
self.assertEqual(v.NodeIdValue, v2.NodeIdValue)
def _show_structs(self):
base_struct = self.server_mgr.get_node(ua.ObjectIds.Structure)
opc_binary = self.server_mgr.get_node(ua.ObjectIds.OPCBinarySchema_TypeSystem)
opc_schema = self.server_mgr.get_node(ua.ObjectIds.OpcUa_BinarySchema)
for node in opc_binary.get_children():
if node == opc_schema:
continue # This is standard namespace structures
try:
ns = node.get_child("0:NamespaceUri").get_value()
ar = self.server_mgr.get_namespace_array()
idx = ar.index(ns)
except ua.UaError:
idx = 1
xml = node.get_value()
if not xml:
return
xml = xml.decode("utf-8")
generator = StructGenerator()
generator.make_model_from_string(xml)
for el in generator.model:
# we only care about structs, ignoring enums
if isinstance(el, Struct):
self._add_design_node(base_struct, idx, el)
def test_custom_structs_array(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
c.save_to_file("tests/structures.py")
import structures as s
# test with default values
v = s.ArrayValueDataType()
data = struct_to_binary(v)
v2 = struct_from_binary(s.ArrayValueDataType, ua.utils.Buffer(data))
# set some values
v = s.ArrayValueDataType()
v.SbyteValue = [1]
v.ByteValue = [2]
v.Int16Value = [3]
v.UInt16Value = [4]
v.Int32Value = [5]
v.UInt32Value = [6]
v.Int64Value = [7]
v.UInt64Value = [8]
v.FloatValue = [9.0]
v.DoubleValue = [10.0]
v.StringValue = ["elleven"]
v.DateTimeValue = [datetime.utcnow()]
#self.GuidValue = uuid.uudib"14"
v.ByteStringValue = [b"fifteen", b"sixteen"]
v.XmlElementValue = [ua.XmlElement("<toto>titi</toto>")]
v.NodeIdValue = [
ua.NodeId.from_string("ns=4;i=9999"),
ua.NodeId.from_string("i=6")
]
#self.ExpandedNodeIdValue =
#self.QualifiedNameValue =
#self.LocalizedTextValue =
#self.StatusCodeValue =
#self.VariantValue =
#self.EnumerationValue =
#self.StructureValue =
#self.Number =
#self.Integer =
#self.UInteger =
data = struct_to_binary(v)
v2 = struct_from_binary(s.ArrayValueDataType, ua.utils.Buffer(data))
self.assertEqual(v.NodeIdValue, v2.NodeIdValue)
print(v2.NodeIdValue)
def test_custom_struct_with_optional_fields(self):
xmlpath = "custom_extension_with_optional_fields.xml"
c = StructGenerator()
c.make_model_from_file(xmlpath)
for m in c.model:
if type(m) in (Struct, EnumType):
m.typeid = self._generate_node_id()
c.save_to_file("custom_extension_with_optional_fields.py", register=True)
import como_structures as s
for name, obj in inspect.getmembers(sys.modules[s.__name__], predicate=inspect.isclass):
if name.startswith('__') or obj in (datetime,) or isinstance(obj, EnumMeta):
continue
with self.subTest(name=name):
original = obj()
serialized = struct_to_binary(original)
deserialized = struct_from_binary(obj, ua.utils.Buffer(serialized))
self.assertCustomStructEqual(original, deserialized)
def test_custom_structs(self):
xmlpath = "tests/example.bsd"
c = StructGenerator()
c.make_model_from_file(xmlpath)
c.save_to_file("structures.py")
import structures as s
# test with default values
v = s.ScalarValueDataType()
data = v.to_binary()
v2 = s.ScalarValueDataType.from_binary(ua.utils.Buffer(data))
# set some values
v = s.ScalarValueDataType()
v.SbyteValue = 1
v.ByteValue = 2
v.Int16Value = 3
v.UInt16Value = 4
v.Int32Value = 5
v.UInt32Value = 6
v.Int64Value = 7
v.UInt64Value = 8
v.FloatValue = 9.0
v.DoubleValue = 10.0
v.StringValue = "elleven"
v.DateTimeValue = datetime.utcnow()
#self.GuidValue = uuid.uudib"14"
v.ByteStringValue = b"fifteen"
v.XmlElementValue = ua.XmlElement("<toto>titi</toto>")
v.NodeIdValue = ua.NodeId.from_string("ns=4;i=9999")
#self.ExpandedNodeIdValue =
#self.QualifiedNameValue =
#self.LocalizedTextValue =
#self.StatusCodeValue =
#self.VariantValue =
#self.EnumerationValue =
#self.StructureValue =
#self.Number =
#self.Integer =
#self.UInteger =
data = v.to_binary()
v2 = s.ScalarValueDataType.from_binary(ua.utils.Buffer(data))
self.assertEqual(v.NodeIdValue, v2.NodeIdValue)