code: def _filename_global(self):
          
          if self.subfolder is None:
              config_file = osp.join(get_home_dir(), '.%s.ini' % self.name)
              return config_file
          else:
              folder = get_conf_path()
              # Save defaults in a "defaults" dir of .spyder2 to not pollute it
              if 'defaults' in self.name:
                  folder = osp.join(folder, 'defaults')
                  if not osp.isdir(folder):
                      os.mkdir(folder)
              config_file = osp.join(folder, '%s.ini' % self.name)
              return config_file
docs: Create a .ini filename located in user home directory.
          This .ini files stores the global spyder preferences.