code: def get_uids_from_request(self):
          
          uids = self.request.get("uids", "")
          if isinstance(uids, basestring):
              uids = uids.split(",")
          unique_uids = collections.OrderedDict().fromkeys(uids).keys()
          return filter(api.is_uid, unique_uids)
docs: Returns a list of uids from the request