Django 4 compatibility

setup.py

@@ -22,7 +22,7 @@
     author_email='viktor@stiskala.cz',
     install_requires=[
         'setuptools-git',
-        'django>=1.8',
+        'django>=2.0',
         'python-dateutil>=2.5',
         'PyNaCl>=1.0.0',
         'six>=1.11'

shared_session/__init__.py

@@ -1,8 +1,8 @@
-from django.conf.urls import url
+from django.urls import include, path
 from . import views
 
 urlpatterns = [
-    url(r'^(?P<message>.+).js$', views.shared_session_view, name='share'),
+    path('<message>.js', views.shared_session_view, name='share'),
 ]
 
 urls = urlpatterns, 'shared_session', 'shared_session'

shared_session/signals.py

@@ -1,4 +1,5 @@
 import django.dispatch
 
 
-session_replaced = django.dispatch.Signal(providing_args=['request', 'src_domain', 'dest_domain', 'was_empty'])
+# providing args: request, src_domain, dest_domain, was_empty
+session_replaced = django.dispatch.Signal()