def _get_filter_from_event_type(self, eventtype):
eventtype = self._get_node(eventtype)
evfilter = ua.EventFilter()
for desc in eventtype.get_children_descriptions(refs=ua.ObjectIds.HasProperty, nodeclassmask=ua.NodeClass.Variable):
op = ua.SimpleAttributeOperand()
op.TypeDefinitionId = eventtype.nodeid
op.AttributeId = AttributeIds.Value
op.BrowsePath = [desc.BrowseName]
evfilter.SelectClauses.append(op)
return evfilter
def get_filter_from_event_type(eventtype):
evfilter = ua.EventFilter()
evfilter.SelectClauses = select_clauses_from_evtype(eventtype)
evfilter.WhereClause = where_clause_from_evtype(eventtype)
return evfilter
