old_contents: from django.conf.urls import patterns, include, url
  from hopes.models import OneTime
  from hopes.views import ListOneTime
  
  urlpatterns = [
      url(r'^$', ListOneTime.as_view(), name='list_onetime'),
      url(r'^create/$', CreateStudent.as_view(), name='create_student'),
      # url(r'^edit/(?P<pk>\d+)/$', EditStudent.as_view(), name='edit_student'),
      # url(r'^delete/(?P<pk>\d+)/$', DeleteStudent.as_view(), name='delete_student'),
  ]
  
  
new_contents: from django.conf.urls import patterns, include, url
  from hopes.models import OneTime
  from hopes.views import ListOneTime, CreateOneTime, EditOneTime, DeleteOneTime
  
  urlpatterns = [
      url(r'^$', ListOneTime.as_view(), name='list_onetime'),
      url(r'^create/$', CreateOneTime.as_view(), name='create_onetime'),
      url(r'^edit/(?P<pk>\d+)/$', EditOneTime.as_view(), name='edit_onetime'),
      url(r'^delete/(?P<pk>\d+)/$', DeleteOneTime.as_view(), name='delete_onetime'),
  ]
  
  
subject: add list, create, edit, delete url views