Add missing constraint.

[wolnelektury.git] / src / reporting / views.py

diff --git a/src/reporting/views.py b/src/reporting/views.py
index 963440c..9eecf0d 100644 (file)
--- a/src/reporting/views.py
+++ b/src/reporting/views.py
@@ -1,4 +1,3 @@
-# -*- 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.
 #
@@ -7,8 +6,7 @@ from datetime import date
 from django.conf import settings
 from django.contrib.admin.views.decorators import staff_member_required
 from django.db.models import Count
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 
 from catalogue.models import Book, BookMedia
 from reporting.utils import render_to_pdf, render_to_csv, generated_file_view
@@ -26,14 +24,16 @@ def stats_page(request):
         else:
             mt['deprecated'] = '-'
 
-    licenses = set(
-        (b.extra_info.get('license'), b.extra_info.get('license_description'))
-        for b in Book.objects.all().iterator() if b.extra_info.get('license'))
+    licenses = set()
+    for b in Book.objects.all().iterator():
+        extra_info = b.get_extra_info_json()
+        if extra_info.get('license'):
+            licenses.add((extra_info.get('license'), extra_info.get('license_description')))
 
-    return render_to_response('reporting/main.html', {
+    return render(request, 'reporting/main.html', {
         'media_types': media_types,
         'licenses': licenses,
-    }, context_instance=RequestContext(request))
+    })
 
 
 @generated_file_view('reports/katalog.pdf', 'application/pdf',