code: def instances_get(opts, plugins, url_file_input, out):
      instances = OrderedDict()
      preferred_order = ['wordpress', 'joomla', 'drupal']
      for cms_name in preferred_order:
          for plugin in plugins:
              plugin_name = plugin.__name__.lower()
              if cms_name == plugin_name:
                  instances[plugin_name] = instance_get(plugin, opts,
                          url_file_input, out)
      for plugin in plugins:
          plugin_name = plugin.__name__.lower()
          if plugin_name not in preferred_order:
              instances[plugin_name] = instance_get(plugin, opts,
                      url_file_input, out)
      return instances