-
- def authors(self):
- return self.tags.filter(category='author')
-
- def epochs(self):
- return self.tags.filter(category='epoch')
-
- def genres(self):
- return self.tags.filter(category='genre')
-
- def kinds(self):
- return self.tags.filter(category='kind')
-
- def tag_unicode(self, category):
- relations = prefetched_relations(self, category)
- if relations:
- return ', '.join(rel.tag.name for rel in relations)
- else:
- return ', '.join(self.tags.filter(category=category).values_list('name', flat=True))
-
- def author_unicode(self):
- return self.tag_unicode('author')
-
- def tags_by_category(self):
- return split_tags(self.tags)
-
- def get_absolute_url(self):
- return reverse('picture_detail', args=[self.slug])
-
- def get_initial(self):
- try:
- return re.search(r'\w', self.title, re.U).group(0)
- except AttributeError:
- return ''
-
- def get_next(self):
- try:
- return type(self).objects.filter(sort_key__gt=self.sort_key)[0]
- except IndexError:
- return None
-
- def get_previous(self):
- try:
- return type(self).objects.filter(sort_key__lt=self.sort_key).order_by('-sort_key')[0]
- except IndexError:
- return None
-
- @classmethod
- def from_xml_file(cls, xml_file, image_file=None, image_store=None, overwrite=False, search_index=True):
- """
- Import xml and it's accompanying image file.
- If image file is missing, it will be fetched by librarian.picture.ImageStore
- which looks for an image file in the same directory the xml is, with extension matching
- its mime type.
- """
- from sortify import sortify
- from django.core.files import File
- from librarian.picture import WLPicture, ImageStore
- close_xml_file = False
- close_image_file = False
-
- if image_file is not None and not isinstance(image_file, File):
- image_file = File(open(image_file, 'rb'))
- close_image_file = True
-
- if not isinstance(xml_file, File):
- xml_file = File(open(xml_file))
- close_xml_file = True
-
- with transaction.atomic():
- # use librarian to parse meta-data
- if image_store is None:
- image_store = ImageStore(picture_storage.path('images'))
- picture_xml = WLPicture.from_file(xml_file, image_store=image_store)
-
- picture, created = Picture.objects.get_or_create(slug=picture_xml.slug[:120])
- if not created and not overwrite:
- raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
-
- picture.areas.all().delete()
- picture.title = str(picture_xml.picture_info.title)
- picture.extra_info = json.dumps(picture_xml.picture_info.to_dict())
-
- picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
- for tag in picture_tags:
- if not tag.for_pictures:
- tag.for_pictures = True
- tag.save()
-
- area_data = {'themes': {}, 'things': {}}
-
- # Treat all names in picture XML as in default language.
- lang = settings.LANGUAGE_CODE
-
- for part in picture_xml.partiter():
- if picture_xml.frame:
- c = picture_xml.frame[0]
- part['coords'] = [[p[0] - c[0], p[1] - c[1]] for p in part['coords']]
- if part.get('object', None) is not None:
- _tags = set()
- for objname in part['object'].split(','):
- objname = objname.strip()
- assert objname, 'Empty object name'
- # str.capitalize() is wrong, because it also lowers letters
- objname = objname[0].upper() + objname[1:]
- tag, created = catalogue.models.Tag.objects.get_or_create(
- slug=slugify(objname), category='thing')
- if created:
- tag.name = objname
- setattr(tag, 'name_%s' % lang, tag.name)
- tag.sort_key = sortify(tag.name)
- tag.for_pictures = True
- tag.save()
- area_data['things'][tag.slug] = {
- 'object': objname,
- 'coords': part['coords'],
- }
-
- _tags.add(tag)
- if not tag.for_pictures:
- tag.for_pictures = True
- tag.save()
- area = PictureArea.rectangle(picture, 'thing', part['coords'])
- area.save()
- # WTF thing area does not inherit tags from picture and theme area does, is it intentional?
- area.tags = _tags
- else:
- _tags = set()
- for motifs in part['themes']:
- for motif in motifs.split(','):
- tag, created = catalogue.models.Tag.objects.get_or_create(
- slug=slugify(motif), category='theme')
- if created:
- tag.name = motif
- tag.sort_key = sortify(tag.name)
- tag.for_pictures = True
- tag.save()
- # motif_tags.add(tag)
- _tags.add(tag)
- if not tag.for_pictures:
- tag.for_pictures = True
- tag.save()
- area_data['themes'][tag.slug] = {
- 'theme': motif,
- 'coords': part['coords']
- }
-
- logging.debug("coords for theme: %s" % part['coords'])
- area = PictureArea.rectangle(picture, 'theme', part['coords'])
- area.save()
- area.tags = _tags.union(picture_tags)
-
- picture.tags = picture_tags
- picture.areas_json = json.dumps(area_data)
-
- if image_file is not None:
- img = image_file
- else:
- img = picture_xml.image_file()
-
- modified = cls.crop_to_frame(picture_xml, img)
- modified = cls.add_source_note(picture_xml, modified)
-
- picture.width, picture.height = modified.size
-
- modified_file = BytesIO()
- modified.save(modified_file, format='JPEG', quality=95)
- # FIXME: hardcoded extension - detect from DC format or orginal filename
- picture.image_file.save(path.basename(picture_xml.image_path), File(modified_file))
-
- picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
- picture.save()
- tasks.generate_picture_html(picture.id)
- if not settings.NO_SEARCH_INDEX and search_index:
- tasks.index_picture.delay(picture.id, picture_info=picture_xml.picture_info)
-
- if close_xml_file:
- xml_file.close()
- if close_image_file:
- image_file.close()
-
- return picture
-
- @classmethod
- def crop_to_frame(cls, wlpic, image_file):
- img = Image.open(image_file)
- if wlpic.frame is None or wlpic.frame == [[0, 0], [-1, -1]]:
- return img
- img = img.crop(itertools.chain(*wlpic.frame))
- return img
-
- @staticmethod
- def add_source_note(wlpic, img):
- from PIL import ImageDraw, ImageFont
- from librarian import get_resource
-
- annotated = Image.new(img.mode, (img.size[0], img.size[1] + 40), (255, 255, 255))
- annotated.paste(img, (0, 0))
- annotation = Image.new('RGB', (img.size[0] * 3, 120), (255, 255, 255))
- ImageDraw.Draw(annotation).text(
- (30, 15),
- wlpic.picture_info.source_name,
- (0, 0, 0),
- font=ImageFont.truetype(get_resource("fonts/DejaVuSerif.ttf"), 75)
- )
- annotated.paste(annotation.resize((img.size[0], 40), Image.ANTIALIAS), (0, img.size[1]))
- return annotated
-
- @property
- def info(self):
- if not hasattr(self, '_info'):
- from librarian import dcparser
- from librarian import picture
- info = dcparser.parse(self.xml_file.path, picture.PictureInfo)
- self._info = info
- return self._info
-
- def pretty_title(self, html_links=False):
- names = [(tag.name, tag.get_absolute_url()) for tag in self.authors().only('name', 'category', 'slug')]
- names.append((self.title, self.get_absolute_url()))
-
- if html_links:
- names = ['<a href="%s">%s</a>' % (tag[1], tag[0]) for tag in names]
- else:
- names = [tag[0] for tag in names]
- return ', '.join(names)
-
- @cached_render('picture/picture_mini_box.html')
- def mini_box(self):
- return {
- 'picture': self,
- }
-
- @cached_render('picture/picture_short.html')
- def midi_box(self):
- return {
- 'picture': self,
- }
-
- def related_themes(self):
- return catalogue.models.Tag.objects.usage_for_queryset(
- self.areas.all(), counts=True).filter(category__in=('theme', 'thing'))
-
- def clear_cache(self):
- clear_cached_renders(self.mini_box)
- clear_cached_renders(self.midi_box)
-
- def search_index(self, picture_info=None, index=None, index_tags=True, commit=True):
- if index is None:
- from search.index import Index
- index = Index()
- try:
- index.index_picture(self, picture_info)
- if index_tags:
- index.index_tags()
- if commit:
- index.index.commit()
- except Exception as e:
- index.index.rollback()
- raise e
fnp / wolnelektury.git / blobdiff