X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/357027375ff8867f42ca34bcbfb5a78b5b185fc3..bde2a16ae2669bea94ec0f23c60213a26d4881f4:/src/libraries/models.py

diff --git a/src/libraries/models.py b/src/libraries/models.py
index c83afbbba..56e9b2d4f 100644
--- a/src/libraries/models.py
+++ b/src/libraries/models.py
@@ -1,9 +1,9 @@
-# -*- 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
-from django.utils.translation import ugettext_lazy as _
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
 
 
 class Catalog(models.Model):
@@ -16,30 +16,28 @@ class Catalog(models.Model):
         verbose_name = _('catalog')
         verbose_name_plural = _('catalogs')
 
-    def __unicode__(self):
+    def __str__(self):
         return self.name
 
-    @models.permalink
     def get_absolute_url(self):
-        return ('libraries_catalog_view', [self.slug])
+        return reverse('libraries_catalog_view', args=[self.slug])
 
 
 class Library(models.Model):
     """Represent a single library in the libraries dictionary"""
 
-    name = models.CharField(_('name'), max_length=120, blank=True)
-    slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True, null=True)
+    name = models.CharField(_('name'), max_length=120, blank=True)
+    slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True, null=True)
     catalog = models.ForeignKey(Catalog, null=False, related_name='libraries', on_delete=models.PROTECT)
-    url = models.CharField(_('url'), max_length=120, blank=True)
+    url = models.CharField(_('url'), max_length=120, blank=True)
     description = models.TextField(_('description'), blank=True)
 
     class Meta:
         verbose_name = _('library')
         verbose_name_plural = _('libraries')
 
-    def __unicode__(self):
+    def __str__(self):
         return self.name
 
-    @models.permalink
     def get_absolute_url(self):
-        return ('libraries_library_view', [self.catalog.slug, self.slug])
+        return reverse('libraries_library_view', args=[self.catalog.slug, self.slug])