+ def save(self, *args, **kwargs):
+ try:
+ old = BookMedia.objects.get(pk=self.pk)
+ except BookMedia.DoesNotExist, e:
+ pass
+ else:
+ # if name changed, change the file name, too
+ if self.name != old.name:
+ self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
+
+ super(BookMedia, self).save(*args, **kwargs)
+ extra_info = self.get_extra_info_value()
+ extra_info.update(self.read_meta())
+ self.set_extra_info_value(extra_info)
+ self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
+ return super(BookMedia, self).save(*args, **kwargs)
+
+ def read_meta(self):
+ """
+ Reads some metadata from the audiobook.
+ """
+
+ artist_name = director_name = project = funded_by = ''
+ 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'))
+ project = ", ".join([t.data for t in audio.getall('PRIV')
+ if t.owner=='wolnelektury.pl?project'])
+ funded_by = ", ".join([t.data for t in audio.getall('PRIV')
+ if t.owner=='wolnelektury.pl?funded_by'])
+ except:
+ pass
+ elif self.type == 'ogg':
+ try:
+ audio = mutagen.File(self.file.path)
+ artist_name = ', '.join(audio.get('artist', []))
+ director_name = ', '.join(audio.get('conductor', []))
+ project = ", ".join(audio.get('project', []))
+ funded_by = ", ".join(audio.get('funded_by', []))
+ except:
+ pass
+ else:
+ return {}
+ return {'artist_name': artist_name, 'director_name': director_name,
+ 'project': project, 'funded_by': funded_by}
+
+ @staticmethod
+ def read_source_sha1(filepath, filetype):
+ """
+ Reads source file SHA1 from audiobok metadata.
+ """
+
+ if filetype == 'mp3':
+ try:
+ audio = id3.ID3(filepath)
+ return [t.data for t in audio.getall('PRIV')
+ if t.owner=='wolnelektury.pl?flac_sha1'][0]
+ except:
+ return None
+ elif filetype == 'ogg':
+ try:
+ audio = mutagen.File(filepath)
+ return audio.get('flac_sha1', [None])[0]
+ except:
+ return None
+ else:
+ return None
+
+
+class Book(models.Model):
+ title = models.CharField(_('title'), max_length=120)
+ slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+ description = models.TextField(_('description'), blank=True)
+ created_at = models.DateTimeField(_('creation date'), auto_now_add=True)
+ _short_html = models.TextField(_('short HTML'), editable=False)
+ parent_number = models.IntegerField(_('parent number'), default=0)
+ extra_info = JSONField(_('extra information'))
+ gazeta_link = models.CharField(blank=True, max_length=240)
+ wiki_link = models.CharField(blank=True, max_length=240)
+ # files generated during publication
+ xml_file = models.FileField(_('XML file'), upload_to=book_upload_path('xml'), blank=True)
+ html_file = models.FileField(_('HTML file'), upload_to=book_upload_path('html'), blank=True)
+ pdf_file = models.FileField(_('PDF file'), upload_to=book_upload_path('pdf'), blank=True)
+ epub_file = models.FileField(_('EPUB file'), upload_to=book_upload_path('epub'), blank=True)
+ txt_file = models.FileField(_('TXT file'), upload_to=book_upload_path('txt'), blank=True)
+
+ parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
+ objects = models.Manager()
+ tagged = managers.ModelTaggedItemManager(Tag)
+ tags = managers.TagDescriptor(Tag)
fnp / wolnelektury.git / blobdiff