improve email subject

lib/OperationalLogger.py

@@ -142,14 +142,17 @@ class OperationalLogger:
         if from_address is None:
             from_address = self.__from_address
         logging.info("Sending log email to %s", addresses)
+        subject_prefix = "ERROR"
         if level == logging.CRITICAL:
             buf = self.__critical_buffer.getvalue()
+            subject_prefix = "CRITICAL"
         elif level == logging.DEBUG:
             buf = self.__debug_buffer.getvalue()
+            subject_prefix = "debug"
         else:
             buf = self.__error_buffer.getvalue()
         message = "<br />\n".join([self.__class__.__colorize(line) for line in buf.split('\n')])
-        OperationalMail.send_status(subject='Errors detected {}:{}'.format(self.__server_name,
+        OperationalMail.send_status(subject='[{}] Log for {}:{}'.format(subject_prefix, self.__server_name,
                                                                            os.path.basename(sys.argv[0])),
                                     message=message, to_list=addresses, from_address=from_address,
                                     text_attachment=self.__debug_buffer.getvalue())