-from django.db import models
+# -*- 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 catalogue.fields import OverwritingFileField
+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 picture import tasks
+from StringIO import StringIO
+import jsonfield
+import itertools
+import logging
+
+from PIL import Image
+
from django.utils.translation import ugettext_lazy as _
from newtagging import managers
from os import path
-picture_storage = FileSystemStorage(location=path.join(settings.MEDIA_ROOT, 'pictures'), base_url=settings.MEDIA_URL + "pictures/")
+picture_storage = FileSystemStorage(location=path.join(
+ settings.MEDIA_ROOT, 'pictures'),
+ base_url=settings.MEDIA_URL + "pictures/")
+
+
+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)
+ tag_relations = GenericRelation(catalogue.models.Tag.intermediary_table_model)
+
+ short_html_url_name = 'picture_area_short'
+
+ @classmethod
+ def rectangle(cls, picture, kind, coords):
+ pa = PictureArea()
+ pa.picture = picture
+ pa.kind = kind
+ pa.area = 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
+ ])
class Picture(models.Model):
Picture resource.
"""
- title = models.CharField(_('title'), max_length=120)
+ 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 = models.FileField(_('image_file'), upload_to="images", 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)
+ tag_relations = GenericRelation(catalogue.models.Tag.intermediary_table_model)
+
+ short_html_url_name = 'picture_short'
class AlreadyExists(Exception):
pass
verbose_name = _('picture')
verbose_name_plural = _('pictures')
- def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
+ def save(self, force_insert=False, force_update=False, **kwargs):
from sortify import sortify
- self.sort_key = sortify(self.title)
+ self.sort_key = sortify(self.title)[:120]
+
+ try:
+ author = self.tags.filter(category='author')[0].sort_key
+ except IndexError:
+ author = u''
+ self.sort_key_author = author
ret = super(Picture, self).save(force_insert, force_update)
def __unicode__(self):
return self.title
+ @permalink
+ def get_absolute_url(self):
+ return ('picture.views.picture_detail', [self.slug])
+
@classmethod
- def from_xml_file(cls, xml_file, images_path=None, overwrite=False):
+ def from_xml_file(cls, xml_file, image_file=None, image_store=None, overwrite=False):
"""
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
+ 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))
+ close_image_file = True
if not isinstance(xml_file, File):
xml_file = File(open(xml_file))
close_xml_file = True
+
try:
# use librarian to parse meta-data
- picture_xml = WLPicture.from_file(xml_file)
+ 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)
+ 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.title = picture_xml.picture_info.title
+ picture.areas.all().delete()
+ picture.title = unicode(picture_xml.picture_info.title)
+ picture.extra_info = 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()
+
+ 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().capitalize()
+ tag, created = catalogue.models.Tag.objects.get_or_create(slug=slughifi(objname), category='thing')
+ if created:
+ tag.name = objname
+ setattr(tag, 'name_%s' % lang, tag.name)
+ tag.sort_key = sortify(tag.name)
+ tag.save()
+ #thing_tags.add(tag)
+ area_data['things'][tag.slug] = {
+ 'object': objname,
+ 'coords': part['coords'],
+ }
- picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info)
+ _tags.add(tag)
+ area = PictureArea.rectangle(picture, 'thing', part['coords'])
+ area.save()
+ 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')
+ if created:
+ tag.name = motif
+ tag.sort_key = sortify(tag.name)
+ tag.save()
+ #motif_tags.add(tag)
+ _tags.add(tag)
+ area_data['themes'][tag.slug] = {
+ 'theme': motif,
+ 'coords': part['coords']
+ }
- img = picture_xml.image_file()
- try:
- picture.image_file.save(path.basename(picture_xml.image_path), File(img))
- finally:
- img.close()
+ 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.union(motif_tags).union(thing_tags)
+ picture.areas_json = 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 = StringIO()
+ 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)
+
+ except Exception, ex:
+ logging.exception("Exception during import, rolling back")
+ transaction.rollback()
+ raise ex
+
finally:
if close_xml_file:
xml_file.close()
+ if close_image_file:
+ image_file.close()
+
+ transaction.commit()
+
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
+
+ @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'):
+ 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):
+ picture = self
+ names = [(tag.name, tag.get_absolute_url())
+ for tag in self.tags.filter(category='author')]
+ 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)
+
+ 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
+ ])
fnp / wolnelektury.git / blobdiff