code: def get_search_results(portal_type=None, uid=None, **kw):
      
  
      # If we have an UID, return the object immediately
      if uid is not None:
          logger.info("UID '%s' found, returning the object immediately" % uid)
          return u.to_list(get_object_by_uid(uid))
  
      # allow to search search for the Plone Site with portal_type
      include_portal = False
      if u.to_string(portal_type) == "Plone Site":
          include_portal = True
  
      # The request may contain a list of portal_types, e.g.
      # `?portal_type=Document&portal_type=Plone Site`
      if "Plone Site" in u.to_list(req.get("portal_type")):
          include_portal = True
  
      # Build and execute a catalog query
      results = search(portal_type=portal_type, uid=uid, **kw)
  
      if include_portal:
          results = list(results) + u.to_list(get_portal())
  
      return results
docs: Search the catalog and return the results
  
      :returns: Catalog search results
      :rtype: iterable