141             section_items = default_items

   141             section_items = default_items

   142 

   142 

   143         for key, value in section_items:

   143         for key, value in section_items:

   144             # keep a copy of the old value

   144             # keep a copy of the old value

   145             oldvalue = value

   145             oldvalue = value

   146 

   147 

   147             if mapping is not None:

   148             if mapping is not None:

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

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

   149 

   150 

   150                 if section is None and key is None:

   151                 if section is None and key is None:

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

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

   172             # exist or if it contains '%SERVICE'

   173             # exist or if it contains '%SERVICE'

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

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

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

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

   175                 new.set(section, key, value)

   176                 new.set(section, key, value)

   176 

   178 

   177     # copy the old conf file to a backup

   179     # copy the old conf file to a backup

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

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

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

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

   180 

   182