Fix url config for Django4

url() is no longer available, has to be replaced with path() or
re_path(). For proper include() we also need an app_name specified in
the urls.py we're including.

api/urls.py

@@ -1,4 +1,4 @@
-from django.conf.urls import include, url
+from django.urls import include, path
 from rest_framework import routers
 
 from .views import ContestViewSet, BandViewSet, FrequencyViewSet, EntryCategoryViewSet, ReferenceViewSet, QSOViewSet, \
@@ -15,6 +15,6 @@ router.register('shadowcalls', ShadowCallViewSet)
 router.register('profile', UserProfileViewSet, basename='profile')
 
 urlpatterns = [
-    url(r'^', include(router.urls)),
-    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
+    path('', include(router.urls)),
+    path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
 ]

contest/urls.py

@@ -1,35 +1,22 @@
-"""cqtu URL Configuration
-
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/1.10/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.conf.urls import url, include
-    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
-"""
-from django.conf.urls import url
+from django.urls import re_path
 
 
 import contest.views as contest_views
 from contest.cbrparser import uploadCBR
 
+app_name = 'context'
+
 urlpatterns = [
-    url(r'^$', contest_views.contestIndex, name='index'),
-    url(r'^regref/$', contest_views.registerRefs, name='registerRefs'),
-    url(r'^regref/edit/(?P<uid>\d+)/$', contest_views.updateRef, {"shadow": False}, name='updateRef'),
-    url(r'^regref/shadow/edit/(?P<uid>\d+)/$', contest_views.updateRef, {"shadow": True}, name='updateShadowRef'),
-    url(r'^regref/qsos/all/$', contest_views.viewAllQSOs, name='viewAllQSOs'),
-    url(r'^regref/qsos/user/(?P<uid>\d+)/$', contest_views.viewUserQSOs, name='viewUserQSOs'),
-    url(r'^overview/$', contest_views.overview, name='overview'),
-    url(r'^log/$', contest_views.log, name='log'),
-    url(r'^log/edit/(?P<qsoid>\d+)/$', contest_views.logEdit, name='logEdit'),
-    url(r'^log/delete/(?P<qsoid>\d+)/$', contest_views.logDelete, name='logDelete'),
-    url(r'^uploadcbr/$', uploadCBR, name='uploadCBR'),
-    url(r'^regref/recheckqsos/$', contest_views.recheckAllQSOs, name='recheckAllQSOs'),
+    re_path(r'^$', contest_views.contestIndex, name='index'),
+    re_path(r'^regref/$', contest_views.registerRefs, name='registerRefs'),
+    re_path(r'^regref/edit/(?P<uid>\d+)/$', contest_views.updateRef, {"shadow": False}, name='updateRef'),
+    re_path(r'^regref/shadow/edit/(?P<uid>\d+)/$', contest_views.updateRef, {"shadow": True}, name='updateShadowRef'),
+    re_path(r'^regref/qsos/all/$', contest_views.viewAllQSOs, name='viewAllQSOs'),
+    re_path(r'^regref/qsos/user/(?P<uid>\d+)/$', contest_views.viewUserQSOs, name='viewUserQSOs'),
+    re_path(r'^overview/$', contest_views.overview, name='overview'),
+    re_path(r'^log/$', contest_views.log, name='log'),
+    re_path(r'^log/edit/(?P<qsoid>\d+)/$', contest_views.logEdit, name='logEdit'),
+    re_path(r'^log/delete/(?P<qsoid>\d+)/$', contest_views.logDelete, name='logDelete'),
+    re_path(r'^uploadcbr/$', uploadCBR, name='uploadCBR'),
+    re_path(r'^regref/recheckqsos/$', contest_views.recheckAllQSOs, name='recheckAllQSOs'),
 ]

cqtu/urls.py

@@ -1,19 +1,4 @@
-"""cqtu URL Configuration
-
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/1.10/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.conf.urls import url, include
-    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
-"""
-from django.conf.urls import url, include
+from django.urls import include, path
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
 
@@ -21,13 +6,13 @@ from contest.views import index, register, profile
 
 
 urlpatterns = [
-    url('^$', index, name="index"),
-    url('^cqtufm2019/', include('contest.urls', namespace='contest')),
+    path('', index, name="index"),
+    path('cqtufm2019/', include('contest.urls', namespace='contest')),
 
-    url(r'^admin/', admin.site.urls),
-    url(r'^login/$', auth_views.login, name='login'),
-    url(r'^logout/$', auth_views.logout, {'next_page': '/'}, name='logout'),
-    url(r'^register/$', register, name='register'),
-    url(r'^profile/$', profile, name='profile'),
-    url(r'^api/', include('api.urls')),
+    path('admin/', admin.site.urls),
+    path('login/', auth_views.LoginView.as_view(), name='login'),
+    path('logout/', auth_views.LogoutView.as_view(), {'next_page': '/'}, name='logout'),
+    path('register/', register, name='register'),
+    path('profile/', profile, name='profile'),
+    path('api/', include('api.urls')),
 ]