Django 2.0

[redakcja.git] / src / catalogue / models / image.py

diff --git a/src/catalogue/models/image.py b/src/catalogue/models/image.py
index 646dd0a..becc308 100755 (executable)
--- a/src/catalogue/models/image.py
+++ b/src/catalogue/models/image.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
@@ -7,10 +5,10 @@ from django.conf import settings
 from django.contrib.sites.models import Site
 from django.db import models
 from django.template.loader import render_to_string
+from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from catalogue.helpers import cached_in_field
 from catalogue.models import Project
-from catalogue.tasks import refresh_instance
 from dvcs import models as dvcs_models
 
 
@@ -22,10 +20,9 @@ class Image(dvcs_models.Document):
     title = models.CharField(_('title'), max_length=255, blank=True)
     slug = models.SlugField(_('slug'), unique=True)
     public = models.BooleanField(_('public'), default=True, db_index=True)
-    project = models.ForeignKey(Project, null=True, blank=True)
+    project = models.ForeignKey(Project, models.SET_NULL, null=True, blank=True)
 
     # cache
-    _short_html = models.TextField(null=True, blank=True, editable=False)
     _new_publishable = models.NullBooleanField(editable=False)
     _published = models.NullBooleanField(editable=False)
     _changed = models.NullBooleanField(editable=False)
@@ -40,12 +37,11 @@ class Image(dvcs_models.Document):
     # Representing
     # ============
 
-    def __unicode__(self):
+    def __str__(self):
         return self.title
 
-    @models.permalink
     def get_absolute_url(self):
-        return ("catalogue_image", [self.slug])
+        return reverse("catalogue_image", args=[self.slug])
 
     def correct_about(self):
         return ["http://%s%s" % (
@@ -83,11 +79,11 @@ class Image(dvcs_models.Document):
             picture = WLPicture.from_bytes(
                     picture_xml.encode('utf-8'),
                     image_store=SelfImageStore)
-        except ParseError, e:
+        except ParseError as e:
             raise AssertionError(_('Invalid XML') + ': ' + str(e))
         except NoDublinCore:
             raise AssertionError(_('No Dublin Core found.'))
-        except ValidationError, e:
+        except ValidationError as e:
             raise AssertionError(_('Invalid Dublin Core') + ': ' + str(e))
 
         valid_about = self.correct_about()
@@ -97,13 +93,13 @@ class Image(dvcs_models.Document):
     def publishable_error(self):
         try:
             return self.assert_publishable()
-        except AssertionError, e:
+        except AssertionError as e:
             return e
         else:
             return None
 
     def accessible(self, request):
-        return self.public or request.user.is_authenticated()
+        return self.public or request.user.is_authenticated
 
     def is_new_publishable(self):
         change = self.publishable()
@@ -122,33 +118,13 @@ class Image(dvcs_models.Document):
         return not self.head.publishable
     changed = cached_in_field('_changed')(is_changed)
 
-    @cached_in_field('_short_html')
-    def short_html(self):
-        return render_to_string(
-                    'catalogue/image_short.html', {'image': self})
-
-    def refresh(self):
-        """This should be done offline."""
-        self.short_html
-        self.single
-        self.new_publishable
-        self.published
-
     def touch(self):
         update = {
             "_changed": self.is_changed(),
-            "_short_html": None,
             "_new_publishable": self.is_new_publishable(),
             "_published": self.is_published(),
         }
         Image.objects.filter(pk=self.pk).update(**update)
-        refresh_instance(self)
-
-    def refresh(self):
-        """This should be done offline."""
-        self.changed
-        self.short_html
-
 
     # Publishing
     # ==========