docs: def get_assets_by_provider(self, resource_id=None):
          """Gets an ``AssetList`` from the given provider.
  
          In plenary mode, the returned list contains all known assets or
          an error results. Otherwise, the returned list may contain only
          those assets that are accessible through this session.
  
          arg:    resource_id (osid.id.Id): a resource ``Id``
          return: (osid.repository.AssetList) - the returned ``Asset
                  list``
          raise:  NullArgument - ``resource_id`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
  
          """
          return AssetList(self._provider_session.get_assets_by_provider(resource_id),
                           self._config_map)