+# -*- 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.
+#
+import logging
+from random import randint
from django import template
-from django.template import Node, Variable, Template, Context
+from django.core.urlresolvers import reverse
+from django.utils.cache import add_never_cache_headers
+import sorl.thumbnail.default
+from ssify import ssi_variable
from catalogue.utils import split_tags
-from itertools import chain
from ..engine import CustomCroppingEngine
-import sorl.thumbnail.default
-import logging
+from ..models import Picture
+
register = template.Library()
cropper = CustomCroppingEngine()
-@register.inclusion_tag('picture/picture_short.html', takes_context=True)
-def picture_short(context, picture):
- context.update({
- 'picture': picture,
- 'main_link': picture.get_absolute_url(),
- # 'related': picture.related_info(),
- 'request': context.get('request'),
- 'tags': split_tags(picture.tags),
- })
- return context
-
@register.inclusion_tag('picture/picture_wide.html', takes_context=True)
def picture_wide(context, picture):
context.update({
'picture': picture,
- 'main_link': picture.get_absolute_url(),
- # 'related': picture.related_info(),
+ 'main_link': reverse('picture_viewer', args=[picture.slug]),
'request': context.get('request'),
'tags': split_tags(picture.tags),
})
[coords[1][0] - w/2 + h/2, coords[1][1]]]
else:
return [[coords[0][0], coords[0][1] + h/2 - w/2],
- [coords[1][0], coords[1][1] - h/2 + w/2, ]]
+ [coords[1][0], coords[1][1] - h/2 + w/2, ]]
- # so much for sorl extensibility.
+ # so much for sorl extensibility.
# what to do about this?
_engine = sorl.thumbnail.default.engine
sorl.thumbnail.default.engine = cropper
coords = to_square(area.area)
- logging.debug("coords: %s, %s" % (unicode(coords), geometry))
+
try:
th = sorl.thumbnail.default.backend.get_thumbnail(
area.picture.image_file,
geometry,
- crop="%dpx %dpx %dpx %dpx" % tuple(coords[0] + coords[1]))
+ crop="%dpx %dpx %dpx %dpx" % tuple(map(lambda d: max(0, d), tuple(coords[0] + coords[1]))))
except Exception, e:
logging.exception("Error creating a thumbnail for PictureArea")
+ return ''
sorl.thumbnail.default.engine = _engine
-
+
return th.url
-
-
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def picture_random_picture(request, exclude_ids, unless=None):
+ if unless:
+ return None
+ queryset = Picture.objects.exclude(pk__in=exclude_ids).exclude(image_file='')
+ count = queryset.count()
+ if count:
+ return queryset[randint(0, count - 1)].pk
+ else:
+ return None