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1
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""" |
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2
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High level functions to create nodes |
|
3
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""" |
|
4
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1 |
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from opcua import ua |
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5
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1 |
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from opcua.common import node |
|
6
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1 |
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from opcua.common.instantiate import instantiate |
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7
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8
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9
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1 |
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def _parse_nodeid_qname(*args): |
|
10
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1 |
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try: |
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11
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1 |
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if isinstance(args[0], int): |
|
12
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1 |
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nodeid = ua.NodeId(0, int(args[0])) |
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13
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1 |
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qname = ua.QualifiedName(args[1], int(args[0])) |
|
14
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1 |
|
return nodeid, qname |
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15
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1 |
|
if isinstance(args[0], ua.NodeId): |
|
16
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1 |
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nodeid = args[0] |
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17
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1 |
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elif isinstance(args[0], str): |
|
18
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1 |
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nodeid = ua.NodeId.from_string(args[0]) |
|
19
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|
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else: |
|
20
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1 |
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raise RuntimeError() |
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21
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1 |
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if isinstance(args[1], ua.QualifiedName): |
|
22
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1 |
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qname = args[1] |
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23
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1 |
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elif isinstance(args[1], str): |
|
24
|
1 |
|
qname = ua.QualifiedName.from_string(args[1]) |
|
25
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else: |
|
26
|
1 |
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raise RuntimeError() |
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27
|
1 |
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return nodeid, qname |
|
28
|
1 |
|
except ua.UaError: |
|
29
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1 |
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raise |
|
30
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1 |
|
except Exception as ex: |
|
31
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1 |
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raise TypeError("This method takes either a namespace index and a string as argument or a nodeid and a qualifiedname. Received arguments {} and got exception {}".format(args, ex)) |
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32
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|
33
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|
34
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1 |
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def create_folder(parent, nodeid, bname): |
|
35
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""" |
|
36
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|
|
create a child node folder |
|
37
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arguments are nodeid, browsename |
|
38
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|
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or namespace index, name |
|
39
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|
|
""" |
|
40
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1 |
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
41
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1 |
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return node.Node(parent.server, _create_object(parent.server, parent.nodeid, nodeid, qname, ua.ObjectIds.FolderType)) |
|
42
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|
43
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44
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1 |
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def create_object(parent, nodeid, bname, objecttype=None): |
|
45
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|
|
""" |
|
46
|
|
|
create a child node object |
|
47
|
|
|
arguments are nodeid, browsename, [objecttype] |
|
48
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|
|
or namespace index, name, [objecttype] |
|
49
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|
|
if objectype is given (a NodeId) then the type node is instantiated inclusive its child nodes |
|
50
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|
|
""" |
|
51
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1 |
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
52
|
1 |
|
if objecttype is not None: |
|
53
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1 |
|
objecttype = node.Node(parent.server, objecttype) |
|
54
|
1 |
|
nodes = instantiate(parent, objecttype, nodeid, bname)[0] |
|
55
|
1 |
|
return nodes |
|
56
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|
|
else: |
|
57
|
1 |
|
return node.Node(parent.server, _create_object(parent.server, parent.nodeid, nodeid, qname, ua.ObjectIds.BaseObjectType)) |
|
58
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59
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|
60
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1 |
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def create_property(parent, nodeid, bname, val, varianttype=None, datatype=None): |
|
61
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|
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""" |
|
62
|
|
|
create a child node property |
|
63
|
|
|
args are nodeid, browsename, value, [variant type] |
|
64
|
|
|
or idx, name, value, [variant type] |
|
65
|
|
|
""" |
|
66
|
1 |
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
67
|
1 |
|
var = ua.Variant(val, varianttype) |
|
68
|
1 |
|
if datatype and isinstance(datatype, int): |
|
69
|
1 |
|
datatype = ua.NodeId(datatype, 0) |
|
70
|
1 |
|
if datatype and not isinstance(datatype, ua.NodeId): |
|
71
|
|
|
raise RuntimeError("datatype argument must be a nodeid or an int refering to a nodeid") |
|
72
|
1 |
|
return node.Node(parent.server, _create_variable(parent.server, parent.nodeid, nodeid, qname, var, datatype=datatype, isproperty=True)) |
|
73
|
|
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|
|
74
|
|
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|
|
75
|
1 |
|
def create_variable(parent, nodeid, bname, val, varianttype=None, datatype=None): |
|
76
|
|
|
""" |
|
77
|
|
|
create a child node variable |
|
78
|
|
|
args are nodeid, browsename, value, [variant type], [data type] |
|
79
|
|
|
or idx, name, value, [variant type], [data type] |
|
80
|
|
|
""" |
|
81
|
1 |
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
82
|
1 |
|
var = ua.Variant(val, varianttype) |
|
83
|
1 |
|
if datatype and isinstance(datatype, int): |
|
84
|
1 |
|
datatype = ua.NodeId(datatype, 0) |
|
85
|
1 |
|
if datatype and not isinstance(datatype, ua.NodeId): |
|
86
|
|
|
raise RuntimeError("datatype argument must be a nodeid or an int refering to a nodeid") |
|
87
|
|
|
|
|
88
|
1 |
|
return node.Node(parent.server, _create_variable(parent.server, parent.nodeid, nodeid, qname, var, datatype=datatype, isproperty=False)) |
|
89
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|
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|
90
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91
|
1 |
View Code Duplication |
def create_variable_type(parent, nodeid, bname, datatype): |
|
|
|
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|
|
92
|
|
|
""" |
|
93
|
|
|
Create a new variable type |
|
94
|
|
|
args are nodeid, browsename and datatype |
|
95
|
|
|
or idx, name and data type |
|
96
|
|
|
""" |
|
97
|
|
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
98
|
|
|
if datatype and not isinstance(datatype, ua.NodeId): |
|
99
|
|
|
raise RuntimeError("Data type should be nodeid, got {}".format(datatype)) |
|
100
|
|
|
addnode = ua.AddNodesItem() |
|
101
|
|
|
addnode.RequestedNewNodeId = nodeid |
|
102
|
|
|
addnode.BrowseName = qname |
|
103
|
|
|
addnode.NodeClass = ua.NodeClass.Variable |
|
104
|
|
|
addnode.ParentNodeId = parent.nodeid |
|
105
|
|
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
|
106
|
|
|
attrs = ua.VariableTypeAttributes() |
|
107
|
|
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
108
|
|
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
109
|
|
|
attrs.DataType = datatype |
|
110
|
|
|
attrs.IsAbstract = False |
|
111
|
|
|
attrs.WriteMask = 0 |
|
112
|
|
|
attrs.UserWriteMask = 0 |
|
113
|
|
|
addnode.NodeAttributes = attrs |
|
114
|
|
|
results = parent.server.add_nodes([addnode]) |
|
115
|
|
|
results[0].StatusCode.check() |
|
116
|
|
|
return results[0].AddedNodeId |
|
117
|
|
|
|
|
118
|
|
|
|
|
119
|
1 |
|
def create_reference_type(parent, nodeid, bname): |
|
120
|
|
|
""" |
|
121
|
|
|
Create a new reference type |
|
122
|
|
|
args are nodeid and browsename |
|
123
|
|
|
or idx and name |
|
124
|
|
|
""" |
|
125
|
|
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
126
|
|
|
addnode = ua.AddNodesItem() |
|
127
|
|
|
addnode.RequestedNewNodeId = nodeid |
|
128
|
|
|
addnode.BrowseName = qname |
|
129
|
|
|
addnode.NodeClass = ua.NodeClass.Variable |
|
130
|
|
|
addnode.ParentNodeId = parent.nodeid |
|
131
|
|
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
|
132
|
|
|
attrs = ua.ReferenceTypeAttributes() |
|
133
|
|
|
attrs.IsAbstract = False |
|
134
|
|
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
135
|
|
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
136
|
|
|
attrs.AccessLevel = ua.AccessLevel.CurrentRead.mask |
|
137
|
|
|
attrs.UserAccessLevel = ua.AccessLevel.CurrentRead.mask |
|
138
|
|
|
addnode.NodeAttributes = attrs |
|
139
|
|
|
results = parent.server.add_nodes([addnode]) |
|
140
|
|
|
results[0].StatusCode.check() |
|
141
|
|
|
return results[0].AddedNodeId |
|
142
|
|
|
|
|
143
|
|
|
|
|
144
|
1 |
|
def create_object_type(parent, nodeid, bname): |
|
145
|
|
|
""" |
|
146
|
|
|
Create a new object type to be instanciated in address space. |
|
147
|
|
|
arguments are nodeid, browsename |
|
148
|
|
|
or namespace index, name |
|
149
|
|
|
""" |
|
150
|
1 |
|
nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
|
151
|
1 |
|
return node.Node(parent.server, _create_object_type(parent.server, parent.nodeid, nodeid, qname)) |
|
152
|
|
|
|
|
153
|
|
|
|
|
154
|
1 |
|
def create_method(parent, *args): |
|
155
|
|
|
""" |
|
156
|
|
|
create a child method object |
|
157
|
|
|
This is only possible on server side!! |
|
158
|
|
|
args are nodeid, browsename, method_to_be_called, [input argument types], [output argument types] |
|
159
|
|
|
or idx, name, method_to_be_called, [input argument types], [output argument types] |
|
160
|
|
|
if argument types is specified, child nodes advertising what arguments the method uses and returns will be created |
|
161
|
|
|
a callback is a method accepting the nodeid of the parent as first argument and variants after. returns a list of variants |
|
162
|
|
|
""" |
|
163
|
1 |
|
nodeid, qname = _parse_nodeid_qname(*args[:2]) |
|
164
|
1 |
|
callback = args[2] |
|
165
|
1 |
|
if len(args) > 3: |
|
166
|
1 |
|
inputs = args[3] |
|
167
|
|
|
else: |
|
168
|
1 |
|
inputs = [] |
|
169
|
1 |
|
if len(args) > 4: |
|
170
|
1 |
|
outputs = args[4] |
|
171
|
|
|
else: |
|
172
|
1 |
|
outputs = [] |
|
173
|
1 |
|
return node.Node(parent.server, _create_method(parent, nodeid, qname, callback, inputs, outputs)) |
|
174
|
|
|
|
|
175
|
|
|
|
|
176
|
1 |
|
def _create_object(server, parentnodeid, nodeid, qname, objecttype): |
|
177
|
1 |
|
addnode = ua.AddNodesItem() |
|
178
|
1 |
|
addnode.RequestedNewNodeId = nodeid |
|
179
|
1 |
|
addnode.BrowseName = qname |
|
180
|
1 |
|
addnode.ParentNodeId = parentnodeid |
|
181
|
1 |
|
if node.Node(server, parentnodeid).get_type_definition() == ua.NodeId(ua.ObjectIds.FolderType): |
|
182
|
1 |
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.Organizes) |
|
183
|
|
|
else: |
|
184
|
1 |
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasComponent) |
|
185
|
1 |
|
addnode.NodeClass = ua.NodeClass.Object |
|
186
|
1 |
|
if isinstance(objecttype, int): |
|
187
|
1 |
|
addnode.TypeDefinition = ua.NodeId(objecttype) |
|
188
|
|
|
elif isinstance(objecttype, ua.NodeId): |
|
189
|
|
|
addnode.TypeDefinition = objecttype |
|
190
|
1 |
|
attrs = ua.ObjectAttributes() |
|
191
|
1 |
|
attrs.EventNotifier = 0 |
|
192
|
|
|
|
|
193
|
1 |
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
194
|
1 |
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
195
|
1 |
|
attrs.WriteMask = 0 |
|
196
|
1 |
|
attrs.UserWriteMask = 0 |
|
197
|
1 |
|
addnode.NodeAttributes = attrs |
|
198
|
1 |
|
results = server.add_nodes([addnode]) |
|
199
|
1 |
|
results[0].StatusCode.check() |
|
200
|
1 |
|
return results[0].AddedNodeId |
|
201
|
|
|
|
|
202
|
|
|
|
|
203
|
1 |
|
def _create_object_type(server, parentnodeid, nodeid, qname): |
|
204
|
1 |
|
addnode = ua.AddNodesItem() |
|
205
|
1 |
|
addnode.RequestedNewNodeId = nodeid |
|
206
|
1 |
|
addnode.BrowseName = qname |
|
207
|
1 |
|
addnode.ParentNodeId = parentnodeid |
|
208
|
1 |
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
|
209
|
1 |
|
addnode.NodeClass = ua.NodeClass.ObjectType |
|
210
|
1 |
|
attrs = ua.ObjectTypeAttributes() |
|
211
|
1 |
|
attrs.IsAbstract = False |
|
212
|
1 |
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
213
|
1 |
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
214
|
1 |
|
attrs.WriteMask = 0 |
|
215
|
1 |
|
attrs.UserWriteMask = 0 |
|
216
|
1 |
|
addnode.NodeAttributes = attrs |
|
217
|
1 |
|
results = server.add_nodes([addnode]) |
|
218
|
1 |
|
results[0].StatusCode.check() |
|
219
|
1 |
|
return results[0].AddedNodeId |
|
220
|
|
|
|
|
221
|
|
|
|
|
222
|
1 |
|
def _create_variable(server, parentnodeid, nodeid, qname, var, datatype=None, isproperty=False): |
|
223
|
1 |
|
addnode = ua.AddNodesItem() |
|
224
|
1 |
|
addnode.RequestedNewNodeId = nodeid |
|
225
|
1 |
|
addnode.BrowseName = qname |
|
226
|
1 |
|
addnode.NodeClass = ua.NodeClass.Variable |
|
227
|
1 |
|
addnode.ParentNodeId = parentnodeid |
|
228
|
1 |
|
if isproperty: |
|
229
|
1 |
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasProperty) |
|
230
|
1 |
|
addnode.TypeDefinition = ua.NodeId(ua.ObjectIds.PropertyType) |
|
231
|
|
|
else: |
|
232
|
1 |
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasComponent) |
|
233
|
1 |
|
addnode.TypeDefinition = ua.NodeId(ua.ObjectIds.BaseDataVariableType) |
|
234
|
1 |
|
attrs = ua.VariableAttributes() |
|
235
|
1 |
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
236
|
1 |
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
237
|
1 |
|
if datatype: |
|
238
|
1 |
|
attrs.DataType = datatype |
|
239
|
|
|
else: |
|
240
|
1 |
|
attrs.DataType = _guess_datatype(var) |
|
241
|
|
|
|
|
242
|
1 |
|
attrs.Value = var |
|
243
|
1 |
|
if not isinstance(var.Value, (list, tuple)): |
|
244
|
1 |
|
attrs.ValueRank = ua.ValueRank.Scalar |
|
245
|
|
|
else: |
|
246
|
1 |
|
if var.Dimensions: |
|
247
|
1 |
|
attrs.ValueRank = len(var.Dimensions) |
|
248
|
1 |
|
attrs.ArrayDimensions = var.Dimensions |
|
249
|
1 |
|
attrs.WriteMask = 0 |
|
250
|
1 |
|
attrs.UserWriteMask = 0 |
|
251
|
1 |
|
attrs.Historizing = 0 |
|
252
|
1 |
|
attrs.AccessLevel = ua.AccessLevel.CurrentRead.mask |
|
253
|
1 |
|
attrs.UserAccessLevel = ua.AccessLevel.CurrentRead.mask |
|
254
|
1 |
|
addnode.NodeAttributes = attrs |
|
255
|
1 |
|
results = server.add_nodes([addnode]) |
|
256
|
1 |
|
results[0].StatusCode.check() |
|
257
|
1 |
|
return results[0].AddedNodeId |
|
258
|
|
|
|
|
259
|
|
|
|
|
260
|
1 |
|
def _create_variable_type(server, parentnodeid, nodeid, qname, datatype, value=None): |
|
261
|
|
|
addnode = ua.AddNodesItem() |
|
262
|
|
|
addnode.RequestedNewNodeId = nodeid |
|
263
|
|
|
addnode.BrowseName = qname |
|
264
|
|
|
addnode.NodeClass = ua.NodeClass.VariableType |
|
265
|
|
|
addnode.ParentNodeId = parentnodeid |
|
266
|
|
|
addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
|
267
|
|
|
#addnode.TypeDefinition = ua.NodeId(ua.ObjectIds.BaseDataVariableType) |
|
268
|
|
|
attrs = ua.VariableTypeAttributes() |
|
269
|
|
|
attrs.Description = ua.LocalizedText(qname.Name) |
|
270
|
|
|
attrs.DisplayName = ua.LocalizedText(qname.Name) |
|
271
|
|
|
attrs.DataType = datatype |
|
272
|
|
|
if value: |
|
273
|
|
|
attrs.Value = value |
|
274
|
|
|
if isinstance(value, (list, tuple)): |
|
275
|
|
|
attrs.ValueRank = ua.ValueRank.OneDimension |
|
276
|
|
|
else: |
|
277
|
|
|
attrs.ValueRank = ua.ValueRank.Scalar |
|
278
|
|
|
#attrs.ArrayDimensions = None |
|
279
|
|
|
attrs.WriteMask = 0 |
|
280
|
|
|
attrs.UserWriteMask = 0 |
|
281
|
|
|
attrs.Historizing = 0 |
|
282
|
|
|
attrs.AccessLevel = ua.AccessLevel.CurrentRead.mask |
|
283
|
|
|
attrs.UserAccessLevel = ua.AccessLevel.CurrentRead.mask |
|
284
|
|
|
addnode.NodeAttributes = attrs |
|
285
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results = server.add_nodes([addnode]) |
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286
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results[0].StatusCode.check() |
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return results[0].AddedNodeId |
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290
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View Code Duplication |
def create_data_type(parent, nodeid, bname, description=None): |
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291
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""" |
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292
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Create a new data type to be used in new variables, etc .. |
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293
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arguments are nodeid, browsename |
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294
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or namespace index, name |
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295
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""" |
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296
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
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297
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298
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1 |
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addnode = ua.AddNodesItem() |
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1 |
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addnode.RequestedNewNodeId = nodeid |
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300
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1 |
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addnode.BrowseName = qname |
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301
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1 |
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addnode.NodeClass = ua.NodeClass.DataType |
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302
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1 |
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addnode.ParentNodeId = parent.nodeid |
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303
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1 |
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addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
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304
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#addnode.TypeDefinition = ua.NodeId(ua.ObjectIds.BaseDataVariableType) # No type definition for types |
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305
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1 |
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attrs = ua.DataTypeAttributes() |
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306
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if description is None: |
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307
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1 |
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attrs.Description = ua.LocalizedText(qname.Name) |
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else: |
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309
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attrs.Description = ua.LocalizedText(description) |
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310
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attrs.DisplayName = ua.LocalizedText(qname.Name) |
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1 |
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attrs.WriteMask = 0 |
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312
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1 |
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attrs.UserWriteMask = 0 |
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313
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1 |
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attrs.IsAbstract = False # True mean they cannot be instanciated |
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314
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1 |
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addnode.NodeAttributes = attrs |
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315
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1 |
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results = parent.server.add_nodes([addnode]) |
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316
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1 |
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results[0].StatusCode.check() |
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317
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1 |
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return node.Node(parent.server, results[0].AddedNodeId) |
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318
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319
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320
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1 |
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def _create_method(parent, nodeid, qname, callback, inputs, outputs): |
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321
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1 |
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addnode = ua.AddNodesItem() |
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322
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1 |
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addnode.RequestedNewNodeId = nodeid |
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323
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1 |
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addnode.BrowseName = qname |
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324
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1 |
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addnode.NodeClass = ua.NodeClass.Method |
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325
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1 |
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addnode.ParentNodeId = parent.nodeid |
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326
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1 |
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addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasComponent) |
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327
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#node.TypeDefinition = ua.NodeId(ua.ObjectIds.BaseObjectType) |
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328
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1 |
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attrs = ua.MethodAttributes() |
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329
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1 |
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attrs.Description = ua.LocalizedText(qname.Name) |
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330
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1 |
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attrs.DisplayName = ua.LocalizedText(qname.Name) |
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331
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1 |
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attrs.WriteMask = 0 |
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332
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1 |
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attrs.UserWriteMask = 0 |
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333
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1 |
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attrs.Executable = True |
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334
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1 |
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attrs.UserExecutable = True |
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335
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1 |
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addnode.NodeAttributes = attrs |
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336
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1 |
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results = parent.server.add_nodes([addnode]) |
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337
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1 |
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results[0].StatusCode.check() |
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338
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1 |
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method = node.Node(parent.server, results[0].AddedNodeId) |
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339
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1 |
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if inputs: |
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340
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1 |
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create_property(method, |
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341
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ua.NodeId(namespaceidx=method.nodeid.NamespaceIndex), |
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342
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ua.QualifiedName("InputArguments", 0), |
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343
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[_vtype_to_argument(vtype) for vtype in inputs], |
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344
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varianttype=ua.VariantType.ExtensionObject, |
|
345
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datatype=ua.ObjectIds.Argument) |
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346
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1 |
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if outputs: |
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347
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1 |
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create_property(method, |
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348
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ua.NodeId(namespaceidx=method.nodeid.NamespaceIndex), |
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349
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ua.QualifiedName("OutputArguments", 0), |
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350
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[_vtype_to_argument(vtype) for vtype in outputs], |
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351
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varianttype=ua.VariantType.ExtensionObject, |
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352
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datatype=ua.ObjectIds.Argument) |
|
353
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1 |
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parent.server.add_method_callback(method.nodeid, callback) |
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354
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1 |
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return results[0].AddedNodeId |
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355
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356
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357
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1 |
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def _vtype_to_argument(vtype): |
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358
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1 |
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if isinstance(vtype, ua.Argument): |
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359
|
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return vtype |
|
360
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1 |
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arg = ua.Argument() |
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361
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1 |
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if isinstance(vtype, ua.VariantType): |
|
362
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1 |
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arg.DataType = ua.NodeId(vtype.value) |
|
363
|
|
|
else: |
|
364
|
|
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arg.DataType = ua.NodeId(vtype) |
|
365
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1 |
|
return arg |
|
366
|
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|
|
367
|
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|
|
368
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1 |
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def _guess_datatype(variant): |
|
369
|
1 |
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if variant.VariantType == ua.VariantType.ExtensionObject: |
|
370
|
1 |
|
if variant.Value is None: |
|
371
|
|
|
raise ua.UaError("Cannot guess DataType from Null ExtensionObject") |
|
372
|
1 |
|
if type(variant.Value) in (list, tuple): |
|
373
|
|
|
if len(variant.Value) == 0: |
|
374
|
|
|
raise ua.UaError("Cannot guess DataType from Null ExtensionObject") |
|
375
|
|
|
extobj = variant.Value[0] |
|
376
|
|
|
else: |
|
377
|
1 |
|
extobj = variant.Value |
|
378
|
1 |
|
classname = extobj.__class__.__name__ |
|
379
|
1 |
|
return ua.NodeId(getattr(ua.ObjectIds, classname)) |
|
380
|
|
|
else: |
|
381
|
1 |
|
return ua.NodeId(getattr(ua.ObjectIds, variant.VariantType.name)) |
|
382
|
|
|
|
|
383
|
|
|
|
|
384
|
1 |
|
def delete_nodes(server, nodes, recursive=False): |
|
385
|
|
|
""" |
|
386
|
|
|
Delete specified nodes. Optionally delete recursively all nodes with a |
|
387
|
|
|
downward hierachic references to the node |
|
388
|
|
|
""" |
|
389
|
1 |
|
nodestodelete = [] |
|
390
|
1 |
|
if recursive: |
|
391
|
1 |
|
nodes += _add_childs(nodes) |
|
392
|
1 |
|
for mynode in nodes: |
|
393
|
1 |
|
it = ua.DeleteNodesItem() |
|
394
|
1 |
|
it.NodeId = mynode.nodeid |
|
395
|
1 |
|
it.DeleteTargetReferences = True |
|
396
|
1 |
|
nodestodelete.append(it) |
|
397
|
1 |
|
params = ua.DeleteNodesParameters() |
|
398
|
1 |
|
params.NodesToDelete = nodestodelete |
|
399
|
1 |
|
return server.delete_nodes(params) |
|
400
|
|
|
|
|
401
|
|
|
|
|
402
|
1 |
|
def _add_childs(nodes): |
|
403
|
1 |
|
results = [] |
|
404
|
1 |
|
for mynode in nodes[:]: |
|
405
|
1 |
|
results += mynode.get_children() |
|
406
|
1 |
|
return results |
|
407
|
|
|
|
|
408
|
|
|
|
|
409
|
|
|
|
FreeOpcUa /
python-opcua
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