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fbad3a9f E |
1 | # GNU MediaGoblin -- federated, autonomous media hosting |
2 | # Copyright (C) 2011,2012 MediaGoblin contributors. See AUTHORS. | |
3 | # | |
4 | # This program is free software: you can redistribute it and/or modify | |
5 | # it under the terms of the GNU Affero General Public License as published by | |
6 | # the Free Software Foundation, either version 3 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU Affero General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU Affero General Public License | |
15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | ||
02db7e0a E |
18 | from sqlalchemy.types import TypeDecorator, Unicode |
19 | ||
20 | ||
21 | class PathTupleWithSlashes(TypeDecorator): | |
22 | "Represents a Tuple of strings as a slash separated string." | |
23 | ||
24 | impl = Unicode | |
25 | ||
26 | def process_bind_param(self, value, dialect): | |
27 | if value is not None: | |
28 | assert len(value), "Does not support empty lists" | |
29 | value = '/'.join(value) | |
30 | return value | |
31 | ||
32 | def process_result_value(self, value, dialect): | |
33 | if value is not None: | |
34 | value = tuple(value.split('/')) | |
35 | return value |