--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/opc_ua/client.py	Mon Oct 18 12:40:53 2021 +0200
@@ -0,0 +1,86 @@
+# opcua/client.py
+
+from __future__ import absolute_import
+
+import os
+
+from editors.ConfTreeNodeEditor import ConfTreeNodeEditor
+from .opcua_client_maker import OPCUAClientPanel, OPCUAClientModel
+
+import util.paths as paths
+
+# Paths to open62541 assume that 
+# - open62541 directory is aside beremiz directory
+# - open62541 was just built (not installed)
+
+Open62541Path = paths.ThirdPartyPath("open62541")
+Open62541LibraryPath = os.path.join(Open62541Path,"build","bin") 
+Open62541IncludePaths = [os.path.join(Open62541Path, *dirs) for dirs in [
+    ("plugins","include"),
+    ("build","src_generated"),
+    ("include",),
+    ("arch",)]]
+
+class OPCUAClientEditor(ConfTreeNodeEditor):
+    CONFNODEEDITOR_TABS = [
+        (_("OPC-UA Client"), "CreateOPCUAClient_UI")]
+
+    def Log(self, msg):
+        self.Controler.GetCTRoot().logger.write(msg)
+
+    def UriGetter(self):
+        return self.Controler.GetServerURI() 
+
+    def CreateOPCUAClient_UI(self, parent):
+        return OPCUAClientPanel(parent, self.Controler.GetModelData(), self.Log, self.UriGetter)
+
+class OPCUAClient(object):
+    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
+    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+      <xsd:element name="OPCUAClient">
+        <xsd:complexType>
+          <xsd:attribute name="Server_URI" type="xsd:string" use="optional" default="opc.tcp://localhost:4840"/>
+        </xsd:complexType>
+      </xsd:element>
+    </xsd:schema>
+    """
+
+    EditorType = OPCUAClientEditor
+
+    def __init__(self):
+        self.modeldata = OPCUAClientModel()
+
+        filepath = self.GetFileName()
+        if os.path.isfile(filepath):
+            self.modeldata.LoadCSV(filepath)
+
+    def GetModelData(self):
+        return self.modeldata
+    
+    def GetServerURI(self):
+        return self.GetParamsAttributes("OPCUAClient.Server_URI")["value"]
+
+    def GetFileName(self):
+        return os.path.join(self.CTNPath(), 'selected.csv')
+
+    def OnCTNSave(self, from_project_path=None):
+        self.modeldata.SaveCSV(self.GetFileName())
+        return True
+
+    def CTNGenerate_C(self, buildpath, locations):
+        current_location = self.GetCurrentLocation()
+        locstr = "_".join(map(str, current_location))
+        c_path = os.path.join(buildpath, "opcua_client__%s.c" % locstr)
+
+        c_code = self.modeldata.GenerateC(c_path, locstr, 
+            self.GetParamsAttributes("OPCUAClient.Server_URI")["value"])
+
+        with open(c_path, 'wb') as c_file:
+            c_file.write(c_code)
+
+        LDFLAGS = [' "' + os.path.join(Open62541LibraryPath, "libopen62541.a") + '"']
+
+        CFLAGS = ' '.join(['-I"' + path + '"' for path in Open62541IncludePaths])
+
+        return [(c_path, CFLAGS)], LDFLAGS, True
+