Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
authorEdouard Tisserant
Wed, 10 Mar 2021 09:59:18 +0100
changeset 2732 a3f0e4148714
parent 2731 c6a55270d468
child 2733 244598a6a0d6
Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
runtime/PLCObject.py
--- a/runtime/PLCObject.py	Tue Mar 02 10:11:45 2021 +0100
+++ b/runtime/PLCObject.py	Wed Mar 10 09:59:18 2021 +0100
@@ -459,6 +459,7 @@
                 self.PythonThreadAcknowledge(cmd)
                 self.PythonRuntimeCall("start")
                 self.LogMessage("Python extensions started")
+                self.PostStartPLC()
                 self.PythonThreadLoop()
                 self.PythonRuntimeCall("stop", reverse_order=True)
             elif cmd == "Finish":
@@ -496,6 +497,16 @@
         """
         pass
 
+    def PostStartPLC(self):
+        """ 
+        Here goes actions to be taken after PLC is started, 
+        with all libraries and python object already created,
+        and python extensions "Start" methods being called.
+        This is called before python thread processing py_eval blocks starts.
+        For example : attach additional ressource to web services
+        """
+        pass
+
     @RunInMain
     def StartPLC(self):