XmlImporter._parse_bname() - Code Metrics - Inspection of "also export namespace of referenced nodes" - FreeOpcUa/python-opcua - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#327)

by Olivier

created 2016-10-15 19:34 UTC

XmlImporter._parse_bname() A

↳ Parent: XmlImporter

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	20

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
c	1
b	0
f	0
dl	0
loc	11
ccs	0
cts	11
cp	0
crap	20
rs	9.2

"""G
add node defined in XML to address space
format is the one from opc-ua specification
"""
import logging
import sys
from copy import copy

from opcua import ua
from opcua.common import xmlparser


def to_python(val, obj, attname):
    if isinstance(obj, ua.NodeId) and attname == "Identifier":
        raise RuntimeError("Error we should parse a NodeId here")
        return ua.NodeId.from_string(val)
    else:
        return xmlparser.ua_type_to_python(val, obj.ua_types[attname])


class XmlImporter(object):

    def __init__(self, server):
        self.logger = logging.getLogger(__name__)
        self.parser = None
        self.server = server
        self.namespaces = {}
        self.aliases = {}

    def _map_namespaces(self, namespaces_uris):
        """
        creates a mapping between the namespaces in the xml file and in the server.
        if not present the namespace is registered.
        """
        print("original ns", self.server.get_namespace_array())
        print("xml ns", namespaces_uris)
        namespaces = {}
        for ns_index, ns_uri in enumerate(namespaces_uris):
            ns_server_index = self.server.register_namespace(ns_uri)
            namespaces[ns_index + 1] = (ns_server_index, ns_uri)
        print("new ns", self.server.get_namespace_array())
        print(namespaces)
        return namespaces

    def _map_aliases(self, aliases):
        """
        maps the import aliases to the correct namespaces        
        """
        aliases_mapped = {}
        for alias, node_id in aliases.items():
            aliases_mapped[alias] = self._migrate_ns(self.to_nodeid(node_id))
        return aliases_mapped

    def import_xml(self, xmlpath):
        """
        import xml and return added nodes
        """
        self.logger.info("Importing XML file %s", xmlpath)
        self.parser = xmlparser.XMLParser(xmlpath)

        dnodes = self.parser.get_node_datas()
        dnodes = self.make_objects(dnodes)

        self.namespaces = self._map_namespaces(self.parser.get_used_namespaces())
        self.aliases = self._map_aliases(self.parser.get_aliases())

        nodes_parsed = self._sort_nodes_by_parentid(dnodes)

        nodes = []
        for nodedata in nodes_parsed:  # self.parser:
            if nodedata.nodetype == 'UAObject':
                node = self.add_object(nodedata)
            elif nodedata.nodetype == 'UAObjectType':
                node = self.add_object_type(nodedata)
            elif nodedata.nodetype == 'UAVariable':
                node = self.add_variable(nodedata)
            elif nodedata.nodetype == 'UAVariableType':
                node = self.add_variable_type(nodedata)
            elif nodedata.nodetype == 'UAReferenceType':
                node = self.add_reference_type(nodedata)
            elif nodedata.nodetype == 'UADataType':
                node = self.add_datatype(nodedata)
            elif nodedata.nodetype == 'UAMethod':
                node = self.add_method(nodedata)
            else:
                self.logger.warning("Not implemented node type: %s ", nodedata.nodetype)
                continue
            print("ADDED", node)
            nodes.append(node)
        return nodes
    
    def make_objects(self, node_datas):
        new_nodes = []
        for ndata in node_datas:
            ndata.nodeid = ua.NodeId.from_string(ndata.nodeid)
            ndata.browsename = ua.QualifiedName.from_string(ndata.browsename)
            if ndata.parent:
                ndata.parent = ua.NodeId.from_string(ndata.parent)
            if ndata.parentlink:
                ndata.parentlink = self.to_nodeid(ndata.parentlink)
            if ndata.typedef:
                ndata.typedef = self.to_nodeid(ndata.typedef)
            new_nodes.append(ndata)
        return new_nodes

    def _migrate_ns(self, nodeid):
        """
        Check if the index of nodeid or browsename  given in the xml model file
        must be converted to a already existing namespace id based on the files
        namespace uri

        :returns: NodeId (str)
        """
        if nodeid.NamespaceIndex in self.namespaces:
            nodeid = copy(nodeid)
            nodeid.NamespaceIndex = self.namespaces[nodeid.NamespaceIndex][0]
        return nodeid

    def _get_node(self, obj):
        node = ua.AddNodesItem()
        node.RequestedNewNodeId = self._migrate_ns(obj.nodeid)
        print("\nADDING", node.RequestedNewNodeId, node.RequestedNewNodeId.Identifier)
        node.BrowseName = self._migrate_ns(obj.browsename)
        node.NodeClass = getattr(ua.NodeClass, obj.nodetype[2:])
        if obj.parent:
            node.ParentNodeId = self._migrate_ns(obj.parent)
        if obj.parentlink:
            node.ReferenceTypeId = self._migrate_ns(obj.parentlink)
        if obj.typedef:
            node.TypeDefinition = self._migrate_ns(obj.typedef)
        return node

    def to_nodeid(self, nodeid):
        if isinstance(nodeid, ua.NodeId):
            return nodeid
        elif not nodeid:
            return ua.NodeId(ua.ObjectIds.String)
        elif "=" in nodeid:
            return ua.NodeId.from_string(nodeid)
        elif hasattr(ua.ObjectIds, nodeid):
            return ua.NodeId(getattr(ua.ObjectIds, nodeid))
        else:
            if nodeid in self.aliases:
                return self.aliases[nodeid]
            else:
                return ua.NodeId(getattr(ua.ObjectIds, nodeid))


    def add_object(self, obj):
        node = self._get_node(obj)
        attrs = ua.ObjectAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        attrs.EventNotifier = obj.eventnotifier
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId


    def add_object_type(self, obj):
        node = self._get_node(obj)
        attrs = ua.ObjectTypeAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        attrs.IsAbstract = obj.abstract
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId

    def add_variable(self, obj):
        node = self._get_node(obj)
        attrs = ua.VariableAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        attrs.DataType = self.to_nodeid(obj.datatype)
        print("VAL", obj.value)
        if obj.value is not None:
            attrs.Value = self._add_variable_value(obj,)
        if obj.rank:
            attrs.ValueRank = obj.rank
        if obj.accesslevel:
            attrs.AccessLevel = obj.accesslevel
        if obj.useraccesslevel:
            attrs.UserAccessLevel = obj.useraccesslevel
        if obj.minsample:
            attrs.MinimumSamplingInterval = obj.minsample
        if obj.dimensions:
            attrs.ArrayDimensions = obj.dimensions
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId

    def _make_ext_obj(sefl, obj):
        ext = getattr(ua, obj.objname)()
        for name, val in obj.body:
            if type(val) is str:
                raise Exception("Error val should a dict", name, val)
            else:
                for attname, v in val:
                    # tow possible values:
                    # either we get value directly
                    # or a dict if it s an object or a list
                    if type(v) is str:
                        setattr(ext, attname, to_python(v, ext, attname))
                    else:
                        # so we habve either an object or a list...
                        obj2 = getattr(ext, attname)
                        if isinstance(obj2, ua.NodeId):
                            for attname2, v2 in v:
                                if attname2 == "Identifier":
                                    obj2 = ua.NodeId.from_string(v2)
                                    setattr(ext, attname, obj2)
                                    break
                        elif not isinstance(obj2, ua.NodeId) and not hasattr(obj2, "ua_types"):
                            # we probably have a list
                            my_list = []
                            for vtype, v2 in v:
                                my_list.append(xmlparser.ua_type_to_python(v2, vtype))
                            setattr(ext, attname, my_list)
                        else:
                            for attname2, v2 in v:
                                setattr(obj2, attname2, to_python(v2, obj2, attname2))
                            setattr(ext, attname, obj2)
        return ext

    def _add_variable_value(self, obj):
        """
        Returns the value for a Variable based on the objects valuetype. 
        """
        print("KKKKKKKKKKKKKKKKKK", obj, obj.valuetype)
        if obj.valuetype == 'ListOfExtensionObject':
            values = []
            for ext in obj.value:
                extobj = self._make_ext_obj(ext)
                values.append(extobj)
            return values
        elif obj.valuetype.startswith("ListOf"):
            vtype = obj.valuetype[6:]
            if hasattr(ua.ua_binary.Primitives, vtype):
                return ua.Variant(obj.value, getattr(ua.VariantType, vtype))
            else:
                return [getattr(ua, vtype)(v) for v in obj.value]
        elif obj.valuetype == 'ExtensionObject':
            extobj = self._make_ext_obj(obj.value)
            return ua.Variant(extobj, getattr(ua.VariantType, obj.valuetype))
        else:
            return ua.Variant(obj.value, getattr(ua.VariantType, obj.valuetype))


    def add_variable_type(self, obj):
        node = self._get_node(obj)
        attrs = ua.VariableTypeAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        attrs.DataType = self.to_nodeid(obj.datatype)
        if obj.value and len(obj.value) == 1:
            attrs.Value = obj.value[0]
        if obj.rank:
            attrs.ValueRank = obj.rank
        if obj.abstract:
            attrs.IsAbstract = obj.abstract
        if obj.dimensions:
            attrs.ArrayDimensions = obj.dimensions
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId


    def add_method(self, obj):
        node = self._get_node(obj)
        attrs = ua.MethodAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        if obj.accesslevel:
            attrs.AccessLevel = obj.accesslevel
        if obj.useraccesslevel:
            attrs.UserAccessLevel = obj.useraccesslevel
        if obj.minsample:
            attrs.MinimumSamplingInterval = obj.minsample
        if obj.dimensions:
            attrs.ArrayDimensions = obj.dimensions
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId

    def add_reference_type(self, obj):
        node = self._get_node(obj)
        attrs = ua.ReferenceTypeAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        if obj. inversename:
            attrs.InverseName = ua.LocalizedText(obj.inversename)
        if obj.abstract:
            attrs.IsAbstract = obj.abstract
        if obj.symmetric:
            attrs.Symmetric = obj.symmetric
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId


    def add_datatype(self, obj):
        node = self._get_node(obj)
        attrs = ua.DataTypeAttributes()
        if obj.desc:
            attrs.Description = ua.LocalizedText(obj.desc)
        attrs.DisplayName = ua.LocalizedText(obj.displayname)
        if obj.abstract:
            attrs.IsAbstract = obj.abstract
        node.NodeAttributes = attrs
        res = self.server.iserver.isession.add_nodes([node])
        self._add_refs(obj)
        res[0].StatusCode.check()
        return res[0].AddedNodeId

    def _add_refs(self, obj):
        if not obj.refs:
            return
        refs = []
        for data in obj.refs:
            ref = ua.AddReferencesItem()
            ref.IsForward = True
            ref.ReferenceTypeId = self.to_nodeid(data.reftype)
            ref.SourceNodeId = self._migrate_ns(obj.nodeid)
            ref.TargetNodeClass = ua.NodeClass.DataType
            ref.TargetNodeId = self._migrate_ns(self.to_nodeid(data.target))
            refs.append(ref)
        self.server.iserver.isession.add_references(refs)

    def _sort_nodes_by_parentid(self, ndatas):
        """
        Sort the list of nodes according theire parent node in order to respect
        the depency between nodes.

        :param nodes: list of NodeDataObjects
        :returns: list of sorted nodes
        """
        _ndatas = list(ndatas)
        # list of node ids that are already sorted / inserted
        sorted_nodes_ids = []
        # list of sorted nodes (i.e. XML Elements)
        sorted_ndatas = []
        all_node_ids = [data.nodeid for data in ndatas]
        # list of namespace indexes that are relevant for this import
        # we can only respect ordering nodes for namespaces indexes that
        # are defined in the xml file itself. Thus we assume that all other
        # references namespaces are already known to the server and should
        # not create any dependency problems (like "NodeNotFound")
        relevant_namespaces = [str(ns) for ns in self.namespaces.keys()]
        while len(_ndatas) > 0:
            pop_nodes = []
            print(_ndatas)
            for ndata in _ndatas:
                # Insert nodes that
                #   (1) have no parent / parent_ns is None (e.g. namespace 0)
                #   (2) ns is not in list of relevant namespaces
                if ndata.nodeid.NamespaceIndex not in relevant_namespaces or \
                        ndata.parent is None or \
                        ndata.parent not in all_node_ids:
                    sorted_ndatas.append(ndata)
                    sorted_nodes_ids.append(ndata.nodeid)
                    pop_nodes.append(ndata)
                else:
                    # Check if the nodes parent is already in the list of
                    # inserted nodes
                    if ndata.parent in sorted_nodes_ids:
                        sorted_ndatas.append(ndata)
                        sorted_nodes_ids.append(ndata.nodeid)
                        pop_nodes.append(ndata)

            # Remove inserted nodes from the list
            for ndata in pop_nodes:
                _ndatas.pop(_ndatas.index(ndata))
        print("SORTD", sorted_ndatas)
        return sorted_ndatas


1			"""G
2			add node defined in XML to address space
3			format is the one from opc-ua specification
4			"""
5	1		import logging
6			import sys
7			from copy import copy
8	1
9	1		from opcua import ua
10			from opcua.common import xmlparser
11
12	1
13			def to_python(val, obj, attname):
14	1		if isinstance(obj, ua.NodeId) and attname == "Identifier":
15	1		raise RuntimeError("Error we should parse a NodeId here")
16	1		return ua.NodeId.from_string(val)
17	1		else:
18			return xmlparser.ua_type_to_python(val, obj.ua_types[attname])
19	1
20	1
21	1		class XmlImporter(object):
22	1
23	1		def __init__(self, server):
24	1		self.logger = logging.getLogger(__name__)
25	1		self.parser = None
26			self.server = server
27	1		self.namespaces = {}
28	1		self.aliases = {}
29
30			def _map_namespaces(self, namespaces_uris):
31			"""
32			creates a mapping between the namespaces in the xml file and in the server.
33			if not present the namespace is registered.
34			"""
35			print("original ns", self.server.get_namespace_array())
36			print("xml ns", namespaces_uris)
37			namespaces = {}
38			for ns_index, ns_uri in enumerate(namespaces_uris):
39			ns_server_index = self.server.register_namespace(ns_uri)
40	1		namespaces[ns_index + 1] = (ns_server_index, ns_uri)
41	1		print("new ns", self.server.get_namespace_array())
42	1		print(namespaces)
43	1		return namespaces
44	1
45	1		def _map_aliases(self, aliases):
46	1		"""
47	1		maps the import aliases to the correct namespaces
48	1		"""
49	1		aliases_mapped = {}
50	1		for alias, node_id in aliases.items():
51	1		aliases_mapped[alias] = self._migrate_ns(self.to_nodeid(node_id))
52			return aliases_mapped
53	1
54	1		def import_xml(self, xmlpath):
55			"""
56	1		import xml and return added nodes
57			"""
58			self.logger.info("Importing XML file %s", xmlpath)
59	1		self.parser = xmlparser.XMLParser(xmlpath)
60
61	1		dnodes = self.parser.get_node_datas()
62	1		dnodes = self.make_objects(dnodes)
63	1
64			self.namespaces = self._map_namespaces(self.parser.get_used_namespaces())
65			self.aliases = self._map_aliases(self.parser.get_aliases())
66	1
67			nodes_parsed = self._sort_nodes_by_parentid(dnodes)
68	1
69			nodes = []
70	1		for nodedata in nodes_parsed: # self.parser:
71	1		if nodedata.nodetype == 'UAObject':
72	1		node = self.add_object(nodedata)
73	1		elif nodedata.nodetype == 'UAObjectType':
74	1		node = self.add_object_type(nodedata)
75	1		elif nodedata.nodetype == 'UAVariable':
76	1		node = self.add_variable(nodedata)
77	1		elif nodedata.nodetype == 'UAVariableType':
78	1		node = self.add_variable_type(nodedata)
79	1		elif nodedata.nodetype == 'UAReferenceType':
80			node = self.add_reference_type(nodedata)
81	1		elif nodedata.nodetype == 'UADataType':
82			node = self.add_datatype(nodedata)
83			elif nodedata.nodetype == 'UAMethod':
84			node = self.add_method(nodedata)
85			else:
86			self.logger.warning("Not implemented node type: %s ", nodedata.nodetype)
87			continue
88			print("ADDED", node)
89			nodes.append(node)
90			return nodes
91
92	1		def make_objects(self, node_datas):
93	1		new_nodes = []
94	1		for ndata in node_datas:
95	1		ndata.nodeid = ua.NodeId.from_string(ndata.nodeid)
96			ndata.browsename = ua.QualifiedName.from_string(ndata.browsename)
97	1		if ndata.parent:
98	1		ndata.parent = ua.NodeId.from_string(ndata.parent)
99			if ndata.parentlink:
100	1		ndata.parentlink = self.to_nodeid(ndata.parentlink)
101	1		if ndata.typedef:
102	1		ndata.typedef = self.to_nodeid(ndata.typedef)
103	1		new_nodes.append(ndata)
104	1		return new_nodes
105
106	1		def _migrate_ns(self, nodeid):
107			"""
108	1		Check if the index of nodeid or browsename given in the xml model file
109			must be converted to a already existing namespace id based on the files
110	1		namespace uri
111
112	1		:returns: NodeId (str)
113	1		"""
114	1		if nodeid.NamespaceIndex in self.namespaces:
115			nodeid = copy(nodeid)
116	1		nodeid.NamespaceIndex = self.namespaces[nodeid.NamespaceIndex][0]
117			return nodeid
118
119			def _get_node(self, obj):
120			node = ua.AddNodesItem()
121			node.RequestedNewNodeId = self._migrate_ns(obj.nodeid)
122			print("\nADDING", node.RequestedNewNodeId, node.RequestedNewNodeId.Identifier)
123			node.BrowseName = self._migrate_ns(obj.browsename)
124			node.NodeClass = getattr(ua.NodeClass, obj.nodetype[2:])
125			if obj.parent:
126			node.ParentNodeId = self._migrate_ns(obj.parent)
127			if obj.parentlink:
128			node.ReferenceTypeId = self._migrate_ns(obj.parentlink)
129			if obj.typedef:
130			node.TypeDefinition = self._migrate_ns(obj.typedef)
131			return node
132
133			def to_nodeid(self, nodeid):
134			if isinstance(nodeid, ua.NodeId):
135	1		return nodeid
136			elif not nodeid:
137			return ua.NodeId(ua.ObjectIds.String)
138			elif "=" in nodeid:
139			return ua.NodeId.from_string(nodeid)
140			elif hasattr(ua.ObjectIds, nodeid):
141			return ua.NodeId(getattr(ua.ObjectIds, nodeid))
142			else:
143			if nodeid in self.aliases:
144			return self.aliases[nodeid]
145			else:
146		View Code Duplication	return ua.NodeId(getattr(ua.ObjectIds, nodeid))
			0 ignored issues – show Duplication introduced 2016-10-15 08:32 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
147
148			def add_object(self, obj):
149			node = self._get_node(obj)
150			attrs = ua.ObjectAttributes()
151			if obj.desc:
152			attrs.Description = ua.LocalizedText(obj.desc)
153	1		attrs.DisplayName = ua.LocalizedText(obj.displayname)
154			attrs.EventNotifier = obj.eventnotifier
155			node.NodeAttributes = attrs
156			res = self.server.iserver.isession.add_nodes([node])
157			self._add_refs(obj)
158			res[0].StatusCode.check()
159		View Code Duplication	return res[0].AddedNodeId
			0 ignored issues – show Duplication introduced 2016-10-15 19:37 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
160
161			def add_object_type(self, obj):
162			node = self._get_node(obj)
163			attrs = ua.ObjectTypeAttributes()
164			if obj.desc:
165			attrs.Description = ua.LocalizedText(obj.desc)
166			attrs.DisplayName = ua.LocalizedText(obj.displayname)
167			attrs.IsAbstract = obj.abstract
168			node.NodeAttributes = attrs
169	1		res = self.server.iserver.isession.add_nodes([node])
170			self._add_refs(obj)
171			res[0].StatusCode.check()
172			return res[0].AddedNodeId
173
174			def add_variable(self, obj):
175			node = self._get_node(obj)
176			attrs = ua.VariableAttributes()
177			if obj.desc:
178			attrs.Description = ua.LocalizedText(obj.desc)
179			attrs.DisplayName = ua.LocalizedText(obj.displayname)
180			attrs.DataType = self.to_nodeid(obj.datatype)
181	1		print("VAL", obj.value)
182	1		if obj.value is not None:
183	1		attrs.Value = self._add_variable_value(obj,)
184			if obj.rank:
185			attrs.ValueRank = obj.rank
186			if obj.accesslevel:
187			attrs.AccessLevel = obj.accesslevel
188			if obj.useraccesslevel:
189			attrs.UserAccessLevel = obj.useraccesslevel
190			if obj.minsample:
191			attrs.MinimumSamplingInterval = obj.minsample
192			if obj.dimensions:
193			attrs.ArrayDimensions = obj.dimensions
194			node.NodeAttributes = attrs
195			res = self.server.iserver.isession.add_nodes([node])
196			self._add_refs(obj)
197			res[0].StatusCode.check()
198			return res[0].AddedNodeId
199
200			def _make_ext_obj(sefl, obj):
201			ext = getattr(ua, obj.objname)()
202			for name, val in obj.body:
203			if type(val) is str:
204			raise Exception("Error val should a dict", name, val)
205			else:
206			for attname, v in val:
207			# tow possible values:
208			# either we get value directly
209			# or a dict if it s an object or a list
210			if type(v) is str:
211			setattr(ext, attname, to_python(v, ext, attname))
212			else:
213			# so we habve either an object or a list...
214			obj2 = getattr(ext, attname)
215			if isinstance(obj2, ua.NodeId):
216			for attname2, v2 in v:
217			if attname2 == "Identifier":
218			obj2 = ua.NodeId.from_string(v2)
219			setattr(ext, attname, obj2)
220			break
221			elif not isinstance(obj2, ua.NodeId) and not hasattr(obj2, "ua_types"):
222			# we probably have a list
223			my_list = []
224			for vtype, v2 in v:
225			my_list.append(xmlparser.ua_type_to_python(v2, vtype))
226			setattr(ext, attname, my_list)
227			else:
228			for attname2, v2 in v:
229			setattr(obj2, attname2, to_python(v2, obj2, attname2))
230			setattr(ext, attname, obj2)
231			return ext
232
233			def _add_variable_value(self, obj):
234			"""
235			Returns the value for a Variable based on the objects valuetype.
236			"""
237			print("KKKKKKKKKKKKKKKKKK", obj, obj.valuetype)
238			if obj.valuetype == 'ListOfExtensionObject':
239			values = []
240			for ext in obj.value:
241			extobj = self._make_ext_obj(ext)
242			values.append(extobj)
243			return values
244			elif obj.valuetype.startswith("ListOf"):
245			vtype = obj.valuetype[6:]
246			if hasattr(ua.ua_binary.Primitives, vtype):
247			return ua.Variant(obj.value, getattr(ua.VariantType, vtype))
248			else:
249			return [getattr(ua, vtype)(v) for v in obj.value]
250			elif obj.valuetype == 'ExtensionObject':
251			extobj = self._make_ext_obj(obj.value)
252			return ua.Variant(extobj, getattr(ua.VariantType, obj.valuetype))
253			else:
254		View Code Duplication	return ua.Variant(obj.value, getattr(ua.VariantType, obj.valuetype))
			0 ignored issues – show Duplication introduced 2016-08-10 08:32 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
255
256			def add_variable_type(self, obj):
257			node = self._get_node(obj)
258			attrs = ua.VariableTypeAttributes()
259			if obj.desc:
260			attrs.Description = ua.LocalizedText(obj.desc)
261			attrs.DisplayName = ua.LocalizedText(obj.displayname)
262			attrs.DataType = self.to_nodeid(obj.datatype)
263			if obj.value and len(obj.value) == 1:
264			attrs.Value = obj.value[0]
265			if obj.rank:
266			attrs.ValueRank = obj.rank
267			if obj.abstract:
268			attrs.IsAbstract = obj.abstract
269			if obj.dimensions:
270			attrs.ArrayDimensions = obj.dimensions
271			node.NodeAttributes = attrs
272			res = self.server.iserver.isession.add_nodes([node])
273			self._add_refs(obj)
274			res[0].StatusCode.check()
275		View Code Duplication	return res[0].AddedNodeId
			0 ignored issues – show Duplication introduced 2016-10-10 01:12 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
276
277			def add_method(self, obj):
278			node = self._get_node(obj)
279			attrs = ua.MethodAttributes()
280			if obj.desc:
281			attrs.Description = ua.LocalizedText(obj.desc)
282			attrs.DisplayName = ua.LocalizedText(obj.displayname)
283			if obj.accesslevel:
284			attrs.AccessLevel = obj.accesslevel
285			if obj.useraccesslevel:
286			attrs.UserAccessLevel = obj.useraccesslevel
287			if obj.minsample:
288			attrs.MinimumSamplingInterval = obj.minsample
289			if obj.dimensions:
290			attrs.ArrayDimensions = obj.dimensions
291			node.NodeAttributes = attrs
292			res = self.server.iserver.isession.add_nodes([node])
293			self._add_refs(obj)
294			res[0].StatusCode.check()
295			return res[0].AddedNodeId
296
297			def add_reference_type(self, obj):
298			node = self._get_node(obj)
299			attrs = ua.ReferenceTypeAttributes()
300			if obj.desc:
301			attrs.Description = ua.LocalizedText(obj.desc)
302			attrs.DisplayName = ua.LocalizedText(obj.displayname)
303			if obj. inversename:
304			attrs.InverseName = ua.LocalizedText(obj.inversename)
305			if obj.abstract:
306			attrs.IsAbstract = obj.abstract
307			if obj.symmetric:
308			attrs.Symmetric = obj.symmetric
309			node.NodeAttributes = attrs
310			res = self.server.iserver.isession.add_nodes([node])
311			self._add_refs(obj)
312			res[0].StatusCode.check()
313		View Code Duplication	return res[0].AddedNodeId
			0 ignored issues – show Duplication introduced 2016-10-15 08:32 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
314
315			def add_datatype(self, obj):
316			node = self._get_node(obj)
317			attrs = ua.DataTypeAttributes()
318			if obj.desc:
319			attrs.Description = ua.LocalizedText(obj.desc)
320			attrs.DisplayName = ua.LocalizedText(obj.displayname)
321			if obj.abstract:
322			attrs.IsAbstract = obj.abstract
323			node.NodeAttributes = attrs
324			res = self.server.iserver.isession.add_nodes([node])
325			self._add_refs(obj)
326			res[0].StatusCode.check()
327			return res[0].AddedNodeId
328
329			def _add_refs(self, obj):
330			if not obj.refs:
331			return
332			refs = []
333			for data in obj.refs:
334			ref = ua.AddReferencesItem()
335			ref.IsForward = True
336			ref.ReferenceTypeId = self.to_nodeid(data.reftype)
337			ref.SourceNodeId = self._migrate_ns(obj.nodeid)
338			ref.TargetNodeClass = ua.NodeClass.DataType
339			ref.TargetNodeId = self._migrate_ns(self.to_nodeid(data.target))
340			refs.append(ref)
341			self.server.iserver.isession.add_references(refs)
342
343			def _sort_nodes_by_parentid(self, ndatas):
344			"""
345			Sort the list of nodes according theire parent node in order to respect
346			the depency between nodes.
347
348			:param nodes: list of NodeDataObjects
349			:returns: list of sorted nodes
350			"""
351			_ndatas = list(ndatas)
352			# list of node ids that are already sorted / inserted
353			sorted_nodes_ids = []
354			# list of sorted nodes (i.e. XML Elements)
355			sorted_ndatas = []
356			all_node_ids = [data.nodeid for data in ndatas]
357			# list of namespace indexes that are relevant for this import
358			# we can only respect ordering nodes for namespaces indexes that
359			# are defined in the xml file itself. Thus we assume that all other
360			# references namespaces are already known to the server and should
361			# not create any dependency problems (like "NodeNotFound")
362			relevant_namespaces = [str(ns) for ns in self.namespaces.keys()]
363			while len(_ndatas) > 0:
364			pop_nodes = []
365			print(_ndatas)
366			for ndata in _ndatas:
367			# Insert nodes that
368			# (1) have no parent / parent_ns is None (e.g. namespace 0)
369			# (2) ns is not in list of relevant namespaces
370			if ndata.nodeid.NamespaceIndex not in relevant_namespaces or \
371			ndata.parent is None or \
372			ndata.parent not in all_node_ids:
373			sorted_ndatas.append(ndata)
374			sorted_nodes_ids.append(ndata.nodeid)
375			pop_nodes.append(ndata)
376			else:
377			# Check if the nodes parent is already in the list of
378			# inserted nodes
379			if ndata.parent in sorted_nodes_ids:
380			sorted_ndatas.append(ndata)
381			sorted_nodes_ids.append(ndata.nodeid)
382			pop_nodes.append(ndata)
383
384			# Remove inserted nodes from the list
385			for ndata in pop_nodes:
386			_ndatas.pop(_ndatas.index(ndata))
387			print("SORTD", sorted_ndatas)
388			return sorted_ndatas
389

FreeOpcUa / python-opcua

Pull Request — master (#327)

XmlImporter._parse_bname() A

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