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from opcua import ua

from opcua.ua import uatypes

from enum import IntEnum

class ExampleEnum(IntEnum):

EnumVal1 = 0

EnumVal2 = 1

EnumVal3 = 2

import opcua.ua

setattr(opcua.ua, 'ExampleEnum', ExampleEnum)

class ExampleStruct(uatypes.FrozenClass):

ua_types = [

('IntVal1', 'Int16'),

('EnumVal', 'ExampleEnum'),

]

def __init__(self):

self.IntVal1 = 0

self.EnumVal = ExampleEnum(0)

self._freeze = True

def __str__(self):

return 'ExampleStruct(' + 'IntVal1:' + str(self.IntVal1) + ', ' + \

'EnumVal:' + str(self.EnumVal) + ')'

__repr__ = __str__

def add_server_custom_enum_struct(server):

# import some nodes from xml

server.import_xml("tests/enum_struct_test_nodes.xml")

ns = server.get_namespace_index('http://yourorganisation.org/struct_enum_example/')

uatypes.register_extension_object('ExampleStruct', ua.NodeId(5001, ns), ExampleStruct)

val = ua.ExampleStruct()

val.IntVal1 = 242

val.EnumVal = ua.ExampleEnum.EnumVal2

myvar = server.get_node(ua.NodeId(6009, ns))

myvar.set_value(val)