def rawFromStream(cls, dbf, index):
    """Return raw record contents read from the stream.

        Arguments:
            dbf:
                A `Dbf.Dbf` instance containing the record.
            index:
                Index of the record in the records' container.
                This argument can't be None in this call.

        Return value is a string containing record data in DBF format.

        """
    dbf.stream.seek(dbf.header.headerLength + index * dbf.header.recordLength)
    return dbf.stream.read(dbf.header.recordLength)
