X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/645219bfa68384dad930269b94e2ddf8b4cd3488..3d4b6a3014e2e6cfc908a2cd3d36a470b23448cd:/apps/catalogue/models.py diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py index 455296217..df7a79ece 100644 --- a/apps/catalogue/models.py +++ b/apps/catalogue/models.py @@ -17,9 +17,11 @@ from django.conf import settings from newtagging.models import TagBase, tags_updated from newtagging import managers -from catalogue.fields import JSONField +from catalogue.fields import JSONField, OverwritingFileField +from catalogue.utils import ExistingFile from librarian import dcparser, html, epub, NoDublinCore +import mutagen from mutagen import id3 from slughifi import slughifi @@ -64,6 +66,9 @@ class Tag(TagBase): gazeta_link = models.CharField(blank=True, max_length=240) wiki_link = models.CharField(blank=True, max_length=240) + class UrlDeprecationWarning(DeprecationWarning): + pass + categories_rev = { 'autor': 'author', 'epoka': 'epoch', @@ -122,19 +127,20 @@ class Tag(TagBase): real_tags = [] ambiguous_slugs = [] category = None + deprecated = False tags_splitted = tags.split('/') - for index, name in enumerate(tags_splitted): - if name in Tag.categories_rev: + for name in tags_splitted: + if category: + real_tags.append(Tag.objects.get(slug=name, category=category)) + category = None + elif name in Tag.categories_rev: category = Tag.categories_rev[name] else: - if category: - real_tags.append(Tag.objects.get(slug=name, category=category)) - category = None - else: - try: - real_tags.append(Tag.objects.exclude(category='book').get(slug=name)) - except Tag.MultipleObjectsReturned, e: - ambiguous_slugs.append(name) + try: + real_tags.append(Tag.objects.exclude(category='book').get(slug=name)) + deprecated = True + except Tag.MultipleObjectsReturned, e: + ambiguous_slugs.append(name) if category: # something strange left off @@ -145,8 +151,11 @@ class Tag(TagBase): e.tags = real_tags e.ambiguous_slugs = ambiguous_slugs raise e - else: - return real_tags + if deprecated: + e = Tag.UrlDeprecationWarning() + e.tags = real_tags + raise e + return real_tags else: return TagBase.get_tag_list(tags) @@ -168,24 +177,18 @@ def book_upload_path(ext=None, maxlen=100): name = slughifi(filename.split(".")[0]) else: name = slughifi(media.name) - return 'lektura/%s.%s' % (name[:maxlen-len('lektura/.%s' % ext)-4], ext) + return 'book/%s/%s.%s' % (ext, name[:maxlen-len('book/%s/.%s' % (ext, ext))-4], ext) return get_dynamic_path class BookMedia(models.Model): type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100") name = models.CharField(_('name'), max_length="100") - file = models.FileField(_('file'), upload_to=book_upload_path()) + file = OverwritingFileField(_('file'), upload_to=book_upload_path()) uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False) - extra_info = JSONField(_('extra information'), default='{}') - - def book_count(self): - return self.book_set.count() - book_count.short_description = _('book count') - - def books(self): - return mark_safe('
'.join("%s" % (reverse('admin:catalogue_book_change', args=[b.id]), b.title) for b in self.book_set.all())) - books.short_description = _('books') + extra_info = JSONField(_('extra information'), default='{}', editable=False) + book = models.ForeignKey('Book', related_name='media') + source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False) def __unicode__(self): return "%s (%s)" % (self.name, self.file.name.split("/")[-1]) @@ -195,25 +198,75 @@ class BookMedia(models.Model): verbose_name = _('book media') verbose_name_plural = _('book media') - def save(self, force_insert=False, force_update=False, **kwargs): - media = super(BookMedia, self).save(force_insert, force_update, **kwargs) - if self.type == 'mp3': - file = self.file - extra_info = self.get_extra_info_value() - extra_info.update(self.get_mp3_info()) - self.set_extra_info_value(extra_info) - media = super(BookMedia, self).save(force_insert, force_update, **kwargs) - return media - - def get_mp3_info(self): - """Retrieves artist and director names from audio ID3 tags.""" + def save(self, *args, **kwargs): 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')) - except: - artist_name = director_name = '' - return {'artist_name': artist_name, 'director_name': director_name} + 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): @@ -232,9 +285,7 @@ class Book(models.Model): 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) - # other files - medias = models.ManyToManyField(BookMedia, blank=True) - + parent = models.ForeignKey('self', blank=True, null=True, related_name='children') objects = models.Manager() tagged = managers.ModelTaggedItemManager(Tag) @@ -313,7 +364,7 @@ class Book(models.Model): else: return False else: - if self.medias.filter(book=self, type=type).count() > 0: + if self.media.filter(type=type).exists(): return True else: return False @@ -331,7 +382,7 @@ class Book(models.Model): elif type == "pdf": return self.pdf_file else: - return self.medias.filter(book=self, type=type) + return self.media.filter(type=type) else: return None @@ -365,7 +416,7 @@ class Book(models.Model): if self.has_media("txt"): formats.append(u'TXT' % self.get_media('txt').url) # other files - for m in self.medias.order_by('type'): + for m in self.media.order_by('type'): formats.append(u'%s' % (m.file.url, m.type.upper())) formats = [mark_safe(format) for format in formats] @@ -614,8 +665,8 @@ class Book(models.Model): new_fragment.save() new_fragment.tags = set(book_tags + themes + [book_tag] + ancestor_tags) - if not settings.NO_BUILD_TXT and build_txt: - book.build_txt() + if not settings.NO_BUILD_TXT and build_txt: + book.build_txt() if not settings.NO_BUILD_EPUB and build_epub: book.root_ancestor.build_epub() @@ -770,23 +821,14 @@ def _tags_updated_handler(sender, affected_tags, **kwargs): tags_updated.connect(_tags_updated_handler) -def _m2m_changed_handler(sender, instance, action, reverse, pk_set, **kwargs): - """ refresh all the short_html stuff on BookMedia delete """ - if sender == Book.medias.through and reverse and action == 'pre_clear': - for book in instance.book_set.all(): - book.save() -m2m_changed.connect(_m2m_changed_handler) - def _pre_delete_handler(sender, instance, **kwargs): - """ explicitly clear m2m, so that Books can be refreshed """ + """ refresh Book on BookMedia delete """ if sender == BookMedia: - instance.book_set.clear() + instance.book.save() pre_delete.connect(_pre_delete_handler) def _post_save_handler(sender, instance, **kwargs): """ refresh all the short_html stuff on BookMedia update """ if sender == BookMedia: - for book in instance.book_set.all(): - book.save() + instance.book.save() post_save.connect(_post_save_handler) -