'Get datastore path corresponding to the given file path.
:param ds_name: name of the datastore containing the file represented
by the given file path
:param file_path: absolute path of the file
:return: datastore file path'

def get_datastore_file_path(self, ds_name, file_path):

    return ('[%s]    %s' % (ds_name, file_path))
