* Throw 404 instead of a 503 in Event Mixins if the related event does

not exist.
* Changes in the KyuDanRanking View to be more stable if we get bogus
kwargs.

src/mahjong_ranking/urls.py

@@ -4,14 +4,15 @@ from django.conf.urls import url
 from django.views.generic import RedirectView
 
 from . import views
-
 urlpatterns = [  # Ignore PyLintBear (C0103)
     url(r'^$',
         RedirectView.as_view(url='/ranking/mahjong-ladder/', permanent=True)),
-    url(r'^event/(?P<event>[\d]+)/mahjong/$',
-        views.EventHanchanList.as_view(), name="event-hanchan-list"),
     url(r'^event/(?P<event>[\d]+)/add-hanchan/$',
         views.HanchanForm.as_view(), name="add-hanchan-form"),
+    url(r'^event/(?P<event>[\d]+)/edit/$',
+        views.EventHanchanForm.as_view(), name="event-hanchan-form"),
+    url(r'^event/(?P<event>[\d]+)/mahjong/$',
+        views.EventHanchanList.as_view(), name="event-hanchan-list"),
     url(r'^event/(?P<event>[\d]+)/mahjong-ranking/$',
         views.EventRankingList.as_view(), name="event-ranking"),
     url(r'^hanchan/(?P<hanchan>[\d]+)/edit/$',
@@ -32,6 +33,7 @@ urlpatterns = [  # Ignore PyLintBear (C0103)
         views.PlayerLadderScore.as_view(), name="player-ladder-score"),
     url(r'^mahjong/$', views.KyuDanRankingList.as_view(),
         name="kyudanranking-list"),
-    url(r'^mahjong/(?P<order_by>[\+\-\w]+)/$',
+    url(r'^mahjong/(?P<order_by>[\+\-][a-z_]+)/$',
         views.KyuDanRankingList.as_view(), name="kyudanranking-list"),
 ]
+