# GNU MediaGoblin -- federated, autonomous media hosting # Copyright (C) 2011,2012 MediaGoblin contributors. See AUTHORS. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . from sqlalchemy.types import TypeDecorator, Unicode class PathTupleWithSlashes(TypeDecorator): "Represents a Tuple of strings as a slash separated string." impl = Unicode def process_bind_param(self, value, dialect): if value is not None: if len(value) == 0: value = None else: value = '/'.join(value) return value def process_result_value(self, value, dialect): if value is not None: value = tuple(value.split('/')) return value