# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+import json
import time
from StringIO import StringIO
from django.db import models
from django.template.loader import render_to_string
from PIL import Image
-from sorl.thumbnail.fields import ImageWithThumbnailsField
-from sponsors.fields import JSONField
+from jsonfield import JSONField
from django.core.files.base import ContentFile
-THUMB_WIDTH=120
-THUMB_HEIGHT=120
+THUMB_WIDTH = 120
+THUMB_HEIGHT = 120
+
class Sponsor(models.Model):
name = models.CharField(_('name'), max_length=120)
_description = models.CharField(_('description'), blank=True, max_length=255)
- logo = ImageWithThumbnailsField(
- _('logo'),
- upload_to='sponsorzy/sponsor/logo',
- thumbnail={
- 'size': (THUMB_WIDTH, THUMB_HEIGHT),
- 'extension': 'png',
- 'options': ['pad', 'detail'],
- })
- url = models.URLField(_('url'), blank=True, verify_exists=False)
+ logo = models.ImageField(_('logo'), upload_to='sponsorzy/sponsor/logo')
+ url = models.URLField(_('url'), blank=True)
def __unicode__(self):
return self.name
class SponsorPage(models.Model):
name = models.CharField(_('name'), max_length=120)
- sponsors = JSONField(_('sponsors'), default={})
+ sponsors = JSONField(_('sponsors'), default='{}')
_html = models.TextField(blank=True, editable=False)
sprite = models.ImageField(upload_to='sponsorzy/sprite', blank=True)
def populated_sponsors(self):
result = []
offset = 0
- for column in self.get_sponsors_value():
+ for column in self.sponsors:
result_group = {'name': column['name'], 'sponsors': []}
sponsor_objects = Sponsor.objects.in_bulk(column['sponsors'])
for sponsor_pk in column['sponsors']:
def render_sprite(self):
sponsor_ids = []
- for column in self.get_sponsors_value():
+ for column in self.sponsors:
sponsor_ids.extend(column['sponsors'])
sponsors = Sponsor.objects.in_bulk(sponsor_ids)
- sprite = Image.new('RGBA', (THUMB_WIDTH, len(sponsors)*THUMB_HEIGHT))
+ sprite = Image.new('RGBA', (THUMB_WIDTH, len(sponsors) * THUMB_HEIGHT))
for i, sponsor_id in enumerate(sponsor_ids):
- simg = Image.open(sponsors[sponsor_id].logo.thumbnail.dest)
- sprite.paste(simg, (0, i*THUMB_HEIGHT))
+ simg = Image.open(sponsors[sponsor_id].logo.path)
+ if simg.size[0] > THUMB_WIDTH or simg.size[1] > THUMB_HEIGHT:
+ size = (
+ min(THUMB_WIDTH,
+ simg.size[0] * THUMB_HEIGHT / simg.size[1]),
+ min(THUMB_HEIGHT,
+ simg.size[1] * THUMB_WIDTH / simg.size[0])
+ )
+ simg = simg.resize(size, Image.ANTIALIAS)
+ sprite.paste(simg, (
+ (THUMB_WIDTH - simg.size[0]) / 2,
+ i * THUMB_HEIGHT + (THUMB_HEIGHT - simg.size[1]) / 2,
+ ))
imgstr = StringIO()
sprite.save(imgstr, 'png')
html = property(fget=html)
def save(self, *args, **kwargs):
+ if isinstance(self.sponsors, basestring):
+ # Walkaround for weird jsonfield 'no-decode' optimization.
+ self.sponsors = json.loads(self.sponsors)
self.render_sprite()
self._html = render_to_string('sponsors/page.html', {
'sponsors': self.populated_sponsors(),