from django.conf import settings
from django.core.files.storage import FileSystemStorage
from django.utils.datastructures import SortedDict
-from librarian import dcparser, picture
+from django.template.loader import render_to_string
+from django.core.cache import get_cache
+from catalogue.utils import split_tags
+from django.utils.safestring import mark_safe
from slughifi import slughifi
from django.utils.translation import ugettext_lazy as _
verbose_name = _('picture')
verbose_name_plural = _('pictures')
- URLID_RE = r'[a-z0-9-]+'
- FILEID_RE = r'[a-z0-9-]+'
-
def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
from sortify import sortify
ret = super(Picture, self).save(force_insert, force_update)
+ if reset_short_html:
+ self.reset_short_html()
+
return ret
def __unicode__(self):
@permalink
def get_absolute_url(self):
- return ('picture.views.picture_detail', [self.urlid()])
-
- def urlid(self):
- return self.slug
+ return ('picture.views.picture_detail', [self.slug])
@classmethod
def from_xml_file(cls, xml_file, image_file=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
+ # class SimpleImageStore(object):
+ # def path(self_, slug, mime_type):
+ # """Returns the image file. Ignores slug ad mime_type."""
+ # return image_file
+
+ 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)
+ picture_xml = WLPicture.from_file(xml_file,
+ image_store=ImageStore(picture_storage.path('images')))
+ # image_store=SimpleImageStore
- pict, created = Picture.objects.get_or_create(slug=picture_xml.slug)
+ picture, created = Picture.objects.get_or_create(slug=picture_xml.slug)
if not created and not overwrite:
raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
- pict.title = picture_xml.picture_info.title
+ picture.title = picture_xml.picture_info.title
- # from nose.tools import set_trace; set_trace()
motif_tags = set()
for part in picture_xml.partiter():
for motif in part['themes']:
tag.save()
motif_tags.add(tag)
- pict.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \
+ picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \
list(motif_tags)
if image_file is not None:
else:
img = picture_xml.image_file()
- pict.image_file.save(path.basename(picture_xml.image_path), File(img))
+ # FIXME: hardcoded extension
+ picture.image_file.save(path.basename(picture_xml.image_path), File(img))
- pict.xml_file.save("%s.xml" % pict.slug, File(xml_file))
- pict.save()
+ picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
+ picture.save()
finally:
if close_xml_file:
xml_file.close()
- return pict
+ if close_image_file:
+ image_file.close()
+ return picture
@classmethod
def picture_list(cls, filter=None):
for tag in catalogue.models.Tag.objects.filter(category='author'):
pics_by_author[tag] = []
- for pic in pics:
+ for pic in pics.iterator():
authors = list(pic.tags.filter(category='author'))
if authors:
for author in authors:
@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 reset_short_html(self):
+ if self.id is None:
+ return
+
+ cache_key = "Picture.short_html/%d" % (self.id)
+ get_cache('permanent').delete(cache_key)
+
+ def short_html(self):
+ if self.id:
+ cache_key = "Picture.short_html/%d" % (self.id)
+ short_html = get_cache('permanent').get(cache_key)
+ else:
+ short_html = None
+
+ if short_html is not None:
+ return mark_safe(short_html)
+ else:
+ tags = self.tags.filter(category__in=('author', 'kind', 'epoch'))
+ tags = split_tags(tags)
+
+ short_html = unicode(render_to_string('picture/picture_short.html',
+ {'picture': self, 'tags': tags}))
+
+ if self.id:
+ get_cache('permanent').set(cache_key, short_html)
+ return mark_safe(short_html)
fnp / wolnelektury.git / blobdiff