def __register__(cls, module_name):
cursor = Transaction().cursor
table = TableHandler(cursor, cls, module_name)
if not table.column_exist('uuid'):
table.add_raw_column('uuid',
FIELDS[cls.uuid._type].sql_type(cls.uuid),
FIELDS[cls.uuid._type].sql_format, None, None)
cursor.execute('SELECT id FROM "' + cls._table + '"')
for id, in cursor.fetchall():
cursor.execute('UPDATE "' + cls._table + '" '
'SET "uuid" = %s WHERE id = %s',
(cls.default_uuid(), id))
super(Party, cls).__register__(module_name)
