start work on client side

Author: oroulet

opcua/client/client.py

@@ -14,6 +14,7 @@
 from opcua.common import utils
 from opcua.crypto import security_policies
 from opcua.common.shortcuts import Shortcuts
+from opcua.common.structures_generator import StructGenerator
 use_crypto = True
 try:
     from opcua.crypto import uacrypto
@@ -502,4 +503,22 @@ def get_namespace_index(self, uri):
 
     def delete_nodes(self, nodes, recursive=False):
         return delete_nodes(self.uaclient, nodes, recursive)
+
+    def import_structures(self, nodes=None):
+        """
+        Download xml from given variable node defining custom structures.
+        If no node is given, attemps to import variables from
+        """
+        if not nodes:
+            nodes = []
+            opc_bin = self.nodes.base_data_type.get_child("0:OPC Binary")
+            for desc in opc_bin.get_children_descriptions():
+                if desc.BrowseName != ua.QualifiedName("opc.Ua"):
+                    nodes.append(self.get_node(desc.NodeId))
+
+        for node in nodes:
+            xml = node.get_value()
+            gen = StructGenerator(xml, name)
+
+
 

opcua/common/shortcuts.py

@@ -23,3 +23,4 @@ def __init__(self, server):
         self.reference_types = Node(server, 91)
         self.variable_types = Node(server, 89)
         self.object_types = Node(server, 88)
+        self.namespace_array = Node(server, ObjectIds.Server_NamespaceArray)