-# -*- coding: utf-8 -*-
# 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 namedtuple
from django.db import models
from django.utils.translation import ugettext_lazy as _
-import jsonfield
from slugify import slugify
-from mutagen import MutagenError
+import mutagen
+from mutagen import id3
from catalogue.fields import OverwriteStorage
def _file_upload_to(i, _n):
- return 'book/%(ext)s/%(name)s.%(ext)s' % {'ext': i.ext(), 'name': slugify(i.name)}
+ name = i.book.slug
+ if i.index:
+ name += f'_{i.index:03d}'
+ if i.part_name:
+ name += f'_' + slugify(i.part_name)
+ ext = i.ext()
+ return f'book/{ext}/{name}.{ext}'
class BookMedia(models.Model):
part_name = models.CharField(_('part name'), default='', blank=True, max_length=512)
index = models.IntegerField(_('index'), default=0)
file = models.FileField(_('file'), max_length=600, upload_to=_file_upload_to, storage=OverwriteStorage())
+ duration = models.IntegerField(null=True, blank=True)
uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False, db_index=True)
- extra_info = jsonfield.JSONField(_('extra information'), default={}, editable=False)
- book = models.ForeignKey('Book', related_name='media')
+ project_description = models.CharField(max_length=2048, blank=True)
+ project_icon = models.CharField(max_length=2048, blank=True)
+ extra_info = models.TextField(_('extra information'), default='{}', editable=False)
+ book = models.ForeignKey('Book', models.CASCADE, related_name='media')
source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
def __str__(self):
- return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
+ return self.file.name.split("/")[-1]
class Meta:
- ordering = ('type', 'name')
+ ordering = ('type', 'index')
verbose_name = _('book media')
verbose_name_plural = _('book media')
app_label = 'catalogue'
+ def get_extra_info_json(self):
+ return json.loads(self.extra_info or '{}')
+
+ def get_nice_filename(self):
+ parts_count = 1 + type(self).objects.filter(book=self.book, type=self.type).exclude(pk=self.pk).count()
+
+ name = self.book.slug
+ if parts_count > 0:
+ name += f'_{self.index:03d}'
+ if self.part_name:
+ name += f'_' + slugify(self.part_name)
+ ext = self.ext()
+ return f'{name}.{ext}'
+
def save(self, parts_count=None, *args, **kwargs):
from catalogue.utils import ExistingFile, remove_zip
old = BookMedia.objects.get(pk=self.pk)
except BookMedia.DoesNotExist:
old = None
- else:
- # if name changed, change the file name, too
- if slugify(self.name) != slugify(old.name):
- self.file.save(None, ExistingFile(self.file.path), save=False)
super(BookMedia, self).save(*args, **kwargs)
-
+
# remove the zip package for book with modified media
if old:
remove_zip("%s_%s" % (old.book.slug, old.type))
remove_zip("%s_%s" % (self.book.slug, self.type))
- extra_info = self.extra_info
- if isinstance(extra_info, str):
- # Walkaround for weird jsonfield 'no-decode' optimization.
- extra_info = json.loads(extra_info)
+ extra_info = self.get_extra_info_json()
extra_info.update(self.read_meta())
- self.extra_info = extra_info
+ self.extra_info = json.dumps(extra_info)
self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
+ self.duration = self.read_duration()
return super(BookMedia, self).save(*args, **kwargs)
+ def read_duration(self):
+ try:
+ return mutagen.File(self.file.path).info.length
+ except:
+ return None
+
def read_meta(self):
"""
Reads some metadata from the audiobook.
"""
- import mutagen
- from mutagen import id3
-
- artist_name = director_name = project = funded_by = ''
+ artist_name = director_name = project = funded_by = license = ''
if self.type == 'mp3':
try:
audio = id3.ID3(self.file.path)
artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
+ license = ', '.join(tag.url for tag in audio.getall('WCOP'))
project = ", ".join([
t.data.decode('utf-8') for t in audio.getall('PRIV')
if t.owner == 'wolnelektury.pl?project'])
funded_by = ", ".join([
t.data.decode('utf-8') for t in audio.getall('PRIV')
if t.owner == 'wolnelektury.pl?funded_by'])
- except MutagenError:
+ except mutagen.MutagenError:
pass
elif self.type == 'ogg':
try:
audio = mutagen.File(self.file.path)
artist_name = ', '.join(audio.get('artist', []))
director_name = ', '.join(audio.get('conductor', []))
+ license = ', '.join(audio.get('license', []))
project = ", ".join(audio.get('project', []))
funded_by = ", ".join(audio.get('funded_by', []))
- except (MutagenError, AttributeError):
+ except (mutagen.MutagenError, AttributeError):
pass
else:
return {}
return {'artist_name': artist_name, 'director_name': director_name,
- 'project': project, 'funded_by': funded_by}
+ 'project': project, 'funded_by': funded_by, 'license': license}
def ext(self):
return self.formats[self.type].ext
"""
Reads source file SHA1 from audiobok metadata.
"""
- import mutagen
- from mutagen import id3
-
if filetype == 'mp3':
try:
audio = id3.ID3(filepath)
return [t.data.decode('utf-8') for t in audio.getall('PRIV')
if t.owner == 'wolnelektury.pl?flac_sha1'][0]
- except (MutagenError, IndexError):
+ except (mutagen.MutagenError, IndexError):
return None
elif filetype == 'ogg':
try:
audio = mutagen.File(filepath)
return audio.get('flac_sha1', [None])[0]
- except (MutagenError, AttributeError, IndexError):
+ except (mutagen.MutagenError, AttributeError, IndexError):
return None
else:
return None
@property
def director(self):
- return self.extra_info.get('director_name', None)
+ return self.get_extra_info_json().get('director_name', None)
@property
def artist(self):
- return self.extra_info.get('artist_name', None)
+ return self.get_extra_info_json().get('artist_name', None)
+
+ def file_url(self):
+ return self.file.url
fnp / wolnelektury.git / blobdiff