docs: def _obj_index(self, uri, base_path, marked_path, headers, spr=False):
          """Return an index of objects from within the container.
  
          :param uri:
          :param base_path:
          :param marked_path:
          :param headers:
          :param spr: "single page return" Limit the returned data to one page
          :type spr: ``bol``
          :return:
          """
          object_list = list()
          l_obj = None
          container_uri = uri.geturl()
  
          while True:
              marked_uri = urlparse.urljoin(container_uri, marked_path)
              resp = self.http.get(url=marked_uri, headers=headers)
              self._resp_exception(resp=resp)
              return_list = resp.json()
              if spr:
                  return return_list
  
              time_offset = self.job_args.get('time_offset')
              for obj in return_list:
                  if time_offset:
                      # Get the last_modified data from the Object.
                      time_delta = cloud_utils.TimeDelta(
                          job_args=self.job_args,
                          last_modified=time_offset
                      )
                      if time_delta:
                          object_list.append(obj)
                  else:
                      object_list.append(obj)
  
              if object_list:
                  last_obj_in_list = object_list[-1].get('name')
              else:
                  last_obj_in_list = None
  
              if l_obj == last_obj_in_list:
                  return object_list
              else:
                  l_obj = last_obj_in_list
                  marked_path = self._last_marker(
                      base_path=base_path,
                      last_object=l_obj
                  )