X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/357027375ff8867f42ca34bcbfb5a78b5b185fc3..6dc65dcaa0245bfb27f1a857016b8c25f8214557:/src/picture/models.py diff --git a/src/picture/models.py b/src/picture/models.py index 5aabe3c89..2dadd0c78 100644 --- a/src/picture/models.py +++ b/src/picture/models.py @@ -1,26 +1,28 @@ -# -*- 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 django.db import models, transaction import catalogue.models -from django.db.models import permalink from sorl.thumbnail import ImageField from django.conf import settings from django.contrib.contenttypes.fields import GenericRelation from django.core.files.storage import FileSystemStorage -from django.utils.datastructures import SortedDict -from fnpdjango.utils.text.slughifi import slughifi -from ssify import flush_ssi_includes +from django.urls import reverse +from slugify import slugify + +from catalogue.models.tag import prefetched_relations +from catalogue.utils import split_tags from picture import tasks -from StringIO import StringIO -import jsonfield +from wolnelektury.utils import cached_render, clear_cached_renders +from io import BytesIO import itertools +import json import logging +import re from PIL import Image -from django.utils.translation import ugettext_lazy as _ +from django.utils.translation import gettext_lazy as _ from newtagging import managers from os import path @@ -31,16 +33,15 @@ picture_storage = FileSystemStorage(location=path.join( class PictureArea(models.Model): - picture = models.ForeignKey('picture.Picture', related_name='areas') - area = jsonfield.JSONField(_('area'), default={}, editable=False) - kind = models.CharField(_('kind'), max_length=10, blank=False, - null=False, db_index=True, - choices=(('thing', _('thing')), - ('theme', _('theme')))) - - objects = models.Manager() - tagged = managers.ModelTaggedItemManager(catalogue.models.Tag) - tags = managers.TagDescriptor(catalogue.models.Tag) + picture = models.ForeignKey('picture.Picture', models.CASCADE, related_name='areas') + area = models.TextField(_('area'), default='{}', editable=False) + kind = models.CharField( + _('kind'), max_length=10, blank=False, null=False, db_index=True, + choices=(('thing', _('thing')), ('theme', _('theme')))) + + objects = models.Manager() + tagged = managers.ModelTaggedItemManager(catalogue.models.Tag) + tags = managers.TagDescriptor(catalogue.models.Tag) tag_relations = GenericRelation(catalogue.models.Tag.intermediary_table_model) short_html_url_name = 'picture_area_short' @@ -50,21 +51,24 @@ class PictureArea(models.Model): pa = PictureArea() pa.picture = picture pa.kind = kind - pa.area = coords + pa.area = json.dumps(coords) return pa - def flush_includes(self, languages=True): - if not languages: - return - if languages is True: - languages = [lc for (lc, _ln) in settings.LANGUAGES] - flush_ssi_includes([ - template % (self.pk, lang) - for template in [ - '/katalog/pa/%d/short.%s.html', - ] - for lang in languages - ]) + def get_area_json(self): + return json.loads(self.area) + + @cached_render('picture/picturearea_short.html') + def midi_box(self): + themes = self.tags.filter(category='theme') + things = self.tags.filter(category='thing') + return { + 'area': self, + 'theme': themes[0] if themes else None, + 'thing': things[0] if things else None, + } + + def clear_cache(self): + clear_cached_renders(self.midi_box) class Picture(models.Model): @@ -72,60 +76,108 @@ class Picture(models.Model): Picture resource. """ - title = models.CharField(_('title'), max_length=32767) - slug = models.SlugField(_('slug'), max_length=120, db_index=True, unique=True) - sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False) - sort_key_author = models.CharField(_('sort key by author'), max_length=120, db_index=True, editable=False, default=u'') - created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) - changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True) - xml_file = models.FileField('xml_file', upload_to="xml", storage=picture_storage) - image_file = ImageField(_('image_file'), upload_to="images", storage=picture_storage) - html_file = models.FileField('html_file', upload_to="html", storage=picture_storage) - areas_json = jsonfield.JSONField(_('picture areas JSON'), default={}, editable=False) - extra_info = jsonfield.JSONField(_('extra information'), default={}) - culturepl_link = models.CharField(blank=True, max_length=240) - wiki_link = models.CharField(blank=True, max_length=240) - - width = models.IntegerField(null=True) - height = models.IntegerField(null=True) - - objects = models.Manager() - tagged = managers.ModelTaggedItemManager(catalogue.models.Tag) - tags = managers.TagDescriptor(catalogue.models.Tag) + title = models.CharField(_('title'), max_length=32767) + slug = models.SlugField(_('slug'), max_length=120, db_index=True, unique=True) + sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False) + sort_key_author = models.CharField( + _('sort key by author'), max_length=120, db_index=True, editable=False, default='') + created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) + changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True) + xml_file = models.FileField(_('xml file'), upload_to="xml", storage=picture_storage) + image_file = ImageField(_('image file'), upload_to="images", storage=picture_storage) + html_file = models.FileField(_('html file'), upload_to="html", storage=picture_storage) + areas_json = models.TextField(_('picture areas JSON'), default='{}', editable=False) + extra_info = models.TextField(_('extra information'), default='{}') + culturepl_link = models.CharField(blank=True, max_length=240) + wiki_link = models.CharField(blank=True, max_length=240) + + width = models.IntegerField(null=True) + height = models.IntegerField(null=True) + + objects = models.Manager() + tagged = managers.ModelTaggedItemManager(catalogue.models.Tag) + tags = managers.TagDescriptor(catalogue.models.Tag) tag_relations = GenericRelation(catalogue.models.Tag.intermediary_table_model) short_html_url_name = 'picture_short' + is_picture = True + class AlreadyExists(Exception): pass class Meta: - ordering = ('sort_key',) + ordering = ('sort_key_author', 'sort_key') verbose_name = _('picture') verbose_name_plural = _('pictures') + def get_extra_info_json(self): + return json.loads(self.extra_info or '{}') + def save(self, force_insert=False, force_update=False, **kwargs): from sortify import sortify self.sort_key = sortify(self.title)[:120] try: - author = self.tags.filter(category='author')[0].sort_key - except IndexError: - author = u'' + author = self.authors().first().sort_key + except AttributeError: + author = '' self.sort_key_author = author ret = super(Picture, self).save(force_insert, force_update) return ret - def __unicode__(self): + def __str__(self): return self.title - @permalink + 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 ('picture.views.picture_detail', [self.slug]) + 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): @@ -141,9 +193,8 @@ class Picture(models.Model): 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)) + image_file = File(open(image_file, 'rb')) close_image_file = True if not isinstance(xml_file, File): @@ -161,14 +212,16 @@ class Picture(models.Model): raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug) picture.areas.all().delete() - picture.title = unicode(picture_xml.picture_info.title) - picture.extra_info = picture_xml.picture_info.to_dict() + 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)) - motif_tags = set() - thing_tags = set() + for tag in picture_tags: + if not tag.for_pictures: + tag.for_pictures = True + tag.save() - area_data = {'themes':{}, 'things':{}} + area_data = {'themes': {}, 'things': {}} # Treat all names in picture XML as in default language. lang = settings.LANGUAGE_CODE @@ -180,34 +233,47 @@ class Picture(models.Model): if part.get('object', None) is not None: _tags = set() for objname in part['object'].split(','): - objname = objname.strip().capitalize() - tag, created = catalogue.models.Tag.objects.get_or_create(slug=slughifi(objname), category='thing') + 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() - #thing_tags.add(tag) 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=slughifi(motif), category='theme') + 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) + # 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'] @@ -218,8 +284,8 @@ class Picture(models.Model): area.save() area.tags = _tags.union(picture_tags) - picture.tags = picture_tags.union(motif_tags).union(thing_tags) - picture.areas_json = area_data + picture.tags = picture_tags + picture.areas_json = json.dumps(area_data) if image_file is not None: img = image_file @@ -231,7 +297,7 @@ class Picture(models.Model): picture.width, picture.height = modified.size - modified_file = StringIO() + 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)) @@ -260,10 +326,7 @@ class Picture(models.Model): 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 = 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( @@ -275,33 +338,6 @@ class Picture(models.Model): annotated.paste(annotation.resize((img.size[0], 40), Image.ANTIALIAS), (0, img.size[1])) return annotated - @classmethod - def picture_list(cls, filter=None): - """Generates a hierarchical listing of all pictures - Pictures are optionally filtered with a test function. - """ - - pics = cls.objects.all().order_by('sort_key')\ - .only('title', 'slug', 'image_file') - - if filter: - pics = pics.filter(filter).distinct() - - pics_by_author = SortedDict() - orphans = [] - for tag in catalogue.models.Tag.objects.filter(category='author'): - pics_by_author[tag] = [] - - for pic in pics.iterator(): - authors = list(pic.tags.filter(category='author')) - if authors: - for author in authors: - pics_by_author[author].append(pic) - else: - orphans.append(pic) - - return pics_by_author, orphans - @property def info(self): if not hasattr(self, '_info'): @@ -312,9 +348,7 @@ class Picture(models.Model): return self._info def pretty_title(self, html_links=False): - picture = self - names = [(tag.name, tag.get_absolute_url()) - for tag in self.tags.filter(category='author')] + 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: @@ -323,20 +357,22 @@ class Picture(models.Model): 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 flush_includes(self, languages=True): - if not languages: - return - if languages is True: - languages = [lc for (lc, _ln) in settings.LANGUAGES] - flush_ssi_includes([ - template % (self.pk, lang) - for template in [ - '/katalog/p/%d/short.%s.html', - '/katalog/p/%d/mini.%s.html', - ] - for lang in languages - ]) + def clear_cache(self): + clear_cached_renders(self.mini_box) + clear_cached_renders(self.midi_box)