make admin non-GET requests work

src/admin/views.py

@@ -1,9 +1,14 @@
 from django.conf import settings
 from django_hosts.resolvers import reverse_host
-from django.http import HttpResponseRedirect
+from django.http import HttpResponseRedirect, HttpResponseNotAllowed
 
 
 def redirect_admin(request, path):
+    if request.method != 'GET':
+        return HttpResponseNotAllowed(['GET'])
+    elif request.headers.get('Accept') == 'application/json':
+        return HttpResponseNotAllowed(['GET'])
+
     protocol = 'https' if request.is_secure() else 'http'
     host = reverse_host(host='admin')
     if getattr(settings, 'HOST_PORT', None):

src/events/urls.py

@@ -11,22 +11,22 @@
          name="my-ticket"
          ),
     re_path(
-        r'^admin/events/event/assign/(\d+)/$',
+        r'^events/event/assign/(\d+)/$',
         views.admin_assign,
         name='events_event_modeladmin_assign_tickets'
     ),
     re_path(
-        r'^admin/events/event/unassign_unpaid/(\d+)/$',
+        r'^events/event/unassign_unpaid/(\d+)/$',
         views.admin_unassign_unpaid,
         name='events_event_modeladmin_unassign_unpaid_tickets'
     ),
     re_path(
-        r'^admin/events/event/remove_applications/(\d+)/$',
+        r'^events/event/remove_applications/(\d+)/$',
         views.admin_remove_applications,
         name='events_event_modeladmin_remove_applications'
     ),
     re_path(
-        r'^admin/events/event/export_participants/(\d+)/$',
+        r'^events/event/export_participants/(\d+)/$',
         views.admin_export_participants,
         name='events_event_modeladmin_export_participants'
     ),

src/involvement/urls.py

@@ -4,17 +4,17 @@
 
 urlpatterns = [
     re_path(
-        r'^admin/involvement/position/elect/(\d+)/$',
+        r'^involvement/position/elect/(\d+)/$',
         views.admin_approve_applicants,
         name='involvement_position_modeladmin_approve'
     ),
     re_path(
-        r'^admin/involvement/position/appoint/(\d+)/$',
+        r'^involvement/position/appoint/(\d+)/$',
         views.admin_appoint,
         name='involvement_position_modeladmin_appoint'
     ),
     re_path(
-        r'^admin/involvement/position/extend/(\d+)/$',
+        r'^involvement/position/extend/(\d+)/$',
         views.admin_extend_deadline,
         name='involvement_position_extend'
     ),