# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+from collections import OrderedDict
import json
from collections import namedtuple
from django.db import models
from django.utils.translation import ugettext_lazy as _
-from django.utils.datastructures import SortedDict
import jsonfield
from fnpdjango.utils.text.slughifi import slughifi
from catalogue.fields import OverwritingFileField
class BookMedia(models.Model):
"""Represents media attached to a book."""
FileFormat = namedtuple("FileFormat", "name ext")
- formats = SortedDict([
+ formats = OrderedDict([
('mp3', FileFormat(name='MP3', ext='mp3')),
('ogg', FileFormat(name='Ogg Vorbis', ext='ogg')),
('daisy', FileFormat(name='DAISY', ext='daisy.zip')),