added load cfg command

src/dynamic-srv.py

@@ -11,6 +11,7 @@ from collections import UserDict
 import PyTango
 import numpy as np
 import importlib
+import shutil
 
 def fromPyTango2NumpyType(pytango_type):
     """ Return the numpy type based on the PyTango type
@@ -503,7 +504,37 @@ class Dynamic(PyTango.Device_4Impl):
         self.myattrs = CaseLessDict()
         self.read_functions = CaseLessDict()
         self.write_functions = CaseLessDict()
-
+        
+#------------------------------------------------------------------
+#  Load config from remote location
+#------------------------------------------------------------------     
+
+    def LoadCfgFile(self, argin):
+        """ Load the file content as a String. Overwrite the existing cfg file.
+            :param argin: file content as String.
+            :type: PyTango.DevString
+            :return:
+            :rtype: PyTango.DevVoid
+        """
+        # self.debug_stream("In LoadWorkingFile()")
+        if len(self.attr_WorkingFile_read) == 0:
+            self.error_stream('WorkingFile not defined, cannot procede.')
+            self.set_status('WorkingFile not defined, cannot procede.')
+            return
+        file_name = self.ConfiguratorScript
+        if os.path.isfile(file_name):
+            # File exists
+            backup_file = file_name + '.bak'
+            shutil.copyfile(file_name, backup_file)
+        try:
+            conf_file = open(file_name, 'w')
+            conf_file.write(argin)
+            self.debug_stream('Wrote file ' + file_name)
+        except Exception as ex:
+            self.error_stream('Unable to write file ' + file_name + ': ' + str(ex))
+            self.set_status('Unable to write file ' + self.ConfiguratorScript)
+        finally:
+            conf_file.close()
 #==================================================================
 #
 #    DynamicClass class utilities