check for missing supercalls to module init methods

Change-Id: I8b7fe5cdd2883fd45532a3e8ac2d7b32945b36a3

secop/modules.py

@@ -257,6 +257,9 @@ class Module(HasAccessibles):
         self.name = name
         self.valueCallbacks = {}
         self.errorCallbacks = {}
+        self.earlyInitDone = False
+        self.initModuleDone = False
+        self.startModuleDone = False
         errors = []
 
         # handle module properties
@@ -523,11 +526,12 @@ class Module(HasAccessibles):
         return False
 
     def earlyInit(self):
-        # may be overriden in derived classes to init stuff
-        self.log.debug('empty %s.earlyInit()' % self.__class__.__name__)
+        """initialise module with stuff to be done before all modules are created"""
+        self.earlyInitDone = True
 
     def initModule(self):
-        self.log.debug('empty %s.initModule()' % self.__class__.__name__)
+        """initialise module with stuff to be done after all modules are created"""
+        self.initModuleDone = True
 
     def pollOneParam(self, pname):
         """poll parameter <pname> with proper error handling"""
@@ -569,7 +573,11 @@ class Module(HasAccessibles):
         has finished its initial work
         might return a timeout value, if different from default
         """
-        mkthread(self.writeInitParams, started_callback)
+        if self.writeDict:
+            mkthread(self.writeInitParams, started_callback)
+        else:
+            started_callback()
+        self.startModuleDone = True
 
 
 class Readable(Module):