added StreamHandler to send logging output to sys.stderr

myems-aggregation/main.py

@@ -71,6 +71,8 @@ def main():
     fh.setFormatter(formatter)
     # add the handlers to logger
     logger.addHandler(fh)
+    # send logging output to sys.stderr
+    logger.addHandler(logging.StreamHandler())
 
     # combined equipment energy input by energy categories
     Process(target=combined_equipment_energy_input_category.main, args=(logger,)).start()

myems-cleaning/main.py

@@ -22,6 +22,8 @@ def main():
     fh.setFormatter(formatter)
     # add the handlers to logger
     logger.addHandler(fh)
+    # send logging output to sys.stderr
+    logger.addHandler(logging.StreamHandler())
 
     # clean analog values
     Process(target=clean_analog_value.process, args=(logger,)).start()

myems-modbus-tcp/main.py

@@ -25,6 +25,8 @@ def main():
     fh.setFormatter(formatter)
     # add the handlers to logger
     logger.addHandler(fh)
+    # send logging output to sys.stderr
+    logger.addHandler(logging.StreamHandler())
 
     ####################################################################################################################
     # Create Gateway Process

myems-normalization/main.py

@@ -23,6 +23,8 @@ def main():
     fh.setFormatter(formatter)
     # add the handlers to logger
     logger.addHandler(fh)
+    # send logging output to sys.stderr
+    logger.addHandler(logging.StreamHandler())
 
     # calculate energy consumption in hourly period
     Process(target=meter.calculate_hourly, args=(logger,)).start()