'Represent a single Row
@param row: the asset_asset Row'

def represent_row(self, row):

    number = row['asset_asset.number']
    item = row['supply_item.name']
    brand = row.get('supply_brand.name', None)
    if (not number):
        return self.default
    represent = ('%s    (%s' % (number, item))
    if brand:
        represent = ('%s,    %s)' % (represent, brand))
    else:
        represent = ('%s)' % represent)
    return s3_str(represent)
