X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/ab8ffbde2df33d9c699e029ba613d2b014ba44b8..dfd584e3b136d770bf56569030d10712a8722569:/apps/picture/models.py diff --git a/apps/picture/models.py b/apps/picture/models.py index 705025a7f..75ea4c37d 100644 --- a/apps/picture/models.py +++ b/apps/picture/models.py @@ -1,23 +1,25 @@ +# -*- 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 django.template.loader import render_to_string from django.utils.safestring import mark_safe -from django.core.cache import get_cache -from catalogue.utils import split_tags, related_tag_name -from django.utils.safestring import mark_safe +from django.core.cache import caches +from catalogue.utils import split_tags from fnpdjango.utils.text.slughifi import slughifi from picture import tasks from StringIO import StringIO import jsonfield import itertools import logging -from sorl.thumbnail import get_thumbnail, default -from .engine import CustomCroppingEngine from PIL import Image @@ -26,7 +28,7 @@ from newtagging import managers from os import path -permanent_cache = get_cache('permanent') +permanent_cache = caches['permanent'] picture_storage = FileSystemStorage(location=path.join( settings.MEDIA_ROOT, 'pictures'), @@ -36,14 +38,15 @@ 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')), + 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) @classmethod def rectangle(cls, picture, kind, coords): @@ -68,7 +71,7 @@ class PictureArea(models.Model): short_html = permanent_cache.get(cache_key) else: short_html = None - + if short_html is not None: return mark_safe(short_html) else: @@ -103,14 +106,13 @@ class Picture(models.Model): culturepl_link = models.CharField(blank=True, max_length=240) wiki_link = models.CharField(blank=True, max_length=240) - _related_info = jsonfield.JSONField(blank=True, null=True, editable=False) - 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) class AlreadyExists(Exception): pass @@ -162,7 +164,7 @@ class Picture(models.Model): if not isinstance(xml_file, File): xml_file = File(open(xml_file)) close_xml_file = True - + try: # use librarian to parse meta-data if image_store is None: @@ -233,6 +235,8 @@ class Picture(models.Model): 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 = StringIO() @@ -267,6 +271,26 @@ class Picture(models.Model): 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(img.mode, (3000, 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((1000, 40), Image.ANTIALIAS), (0, img.size[1])) + return annotated + @classmethod def picture_list(cls, filter=None): """Generates a hierarchical listing of all pictures @@ -306,12 +330,11 @@ class Picture(models.Model): def reset_short_html(self): if self.id is None: return - - type(self).objects.filter(pk=self.pk).update(_related_info=None) + for area in self.areas.all().iterator(): area.reset_short_html() - try: + try: author = self.tags.filter(category='author')[0].sort_key except IndexError: author = u'' @@ -324,7 +347,7 @@ class Picture(models.Model): def short_html(self): if self.id: cache_key = "Picture.short_html/%d/%s" % (self.id, get_language()) - short_html = get_cache('permanent').get(cache_key) + short_html = permanent_cache.get(cache_key) else: short_html = None @@ -339,12 +362,11 @@ class Picture(models.Model): {'picture': self, 'tags': tags})) if self.id: - get_cache('permanent').set(cache_key, short_html) + permanent_cache.set(cache_key, short_html) return mark_safe(short_html) def pretty_title(self, html_links=False): picture = self - # TODO Add translations (related_tag_info) names = [(tag.name, catalogue.models.Tag.create_url('author', tag.slug)) for tag in self.tags.filter(category='author')] @@ -356,89 +378,7 @@ class Picture(models.Model): names = [tag[0] for tag in names] return ', '.join(names) - def related_info(self): - """Keeps info about related objects (tags) in cache field.""" - if self._related_info is not None: - return self._related_info - else: - rel = {'tags': {}} - - tags = self.tags.filter(category__in=( - 'author', 'kind', 'genre', 'epoch')) - tags = split_tags(tags) - for category in tags: - cat = [] - for tag in tags[category]: - tag_info = {'slug': tag.slug, 'name': tag.name} - for lc, ln in settings.LANGUAGES: - tag_name = getattr(tag, "name_%s" % lc) - if tag_name: - tag_info["name_%s" % lc] = tag_name - cat.append(tag_info) - rel['tags'][category] = cat - - - if self.pk: - type(self).objects.filter(pk=self.pk).update(_related_info=rel) - return rel - - # copied from book.py, figure out + # copied from book.py, figure out def related_themes(self): - # self.theme_counter hides a computation, so a line below actually makes sense - theme_counter = self.theme_counter - picture_themes = list(catalogue.models.Tag.objects.filter(pk__in=theme_counter.keys())) - for tag in picture_themes: - tag.count = theme_counter[tag.pk] - return picture_themes - - def reset_tag_counter(self): - if self.id is None: - return - - cache_key = "Picture.tag_counter/%d" % self.id - permanent_cache.delete(cache_key) - if self.parent: - self.parent.reset_tag_counter() - - @property - def tag_counter(self): - if self.id: - cache_key = "Picture.tag_counter/%d" % self.id - tags = permanent_cache.get(cache_key) - else: - tags = None - - if tags is None: - tags = {} - # do we need to do this? there are no children here. - for tag in self.tags.exclude(category__in=('book', 'theme', 'thing', 'set')).order_by().iterator(): - tags[tag.pk] = 1 - - if self.id: - permanent_cache.set(cache_key, tags) - return tags - - def reset_theme_counter(self): - if self.id is None: - return - - cache_key = "Picture.theme_counter/%d" % self.id - permanent_cache.delete(cache_key) - - @property - def theme_counter(self): - if self.id: - cache_key = "Picture.theme_counter/%d" % self.id - tags = permanent_cache.get(cache_key) - else: - tags = None - - if tags is None: - tags = {} - for area in PictureArea.objects.filter(picture=self).order_by().iterator(): - for tag in area.tags.filter(category__in=('theme','thing')).order_by().iterator(): - tags[tag.pk] = tags.get(tag.pk, 0) + 1 - - if self.id: - permanent_cache.set(cache_key, tags) - return tags + return catalogue.models.Tag.usage_for_queryset( + self.areas.all(), counts=True).filter(category__in=('theme', 'thing'))