173             section_items = default_items

   173             section_items = default_items

   174 

   174 

   175         for key, value in section_items:

   175         for key, value in section_items:

   176             # keep a copy of the old value

   176             # keep a copy of the old value

   177             oldvalue = value

   177             oldvalue = value

   178 

   179 

   179             if mapping is not None:

   180             if mapping is not None:

   180                 section, key = update_mapping(section, key, mapping)

   181                 section, key = update_mapping(section, key, mapping)

   181 

   182 

   182                 if section is None and key is None:

   183                 if section is None and key is None:

   203             # Only copy the old value to the new conf file if the entry doesn't

   204             # Only copy the old value to the new conf file if the entry doesn't

   204             # exist or if it contains '%SERVICE'

   205             # exist or if it contains '%SERVICE'

   205             if not new.has_option(section, key) or \

   206             if not new.has_option(section, key) or \

   206                '%SERVICE' in new.get(section, key):

   207                '%SERVICE' in new.get(section, key):

   207                 new.set(section, key, value)

   208                 new.set(section, key, value)

   208 

   210 

   209     # copy the old conf file to a backup

   211     # copy the old conf file to a backup

   210     today = datetime.now().strftime("%Y%m%d%H%M%S")

   212     today = datetime.now().strftime("%Y%m%d%H%M%S")

   211     shutil.copy2(old_file, old_file + '.' + today)

   213     shutil.copy2(old_file, old_file + '.' + today)

   212 

   214