text: import importlib
  
  from django.apps import apps
  from django.conf.urls import include, url
  from rest_framework import routers
  
  from pretix.api.views import cart
  
  from .views import (
      checkin, device, event, item, oauth, order, organizer, user, voucher,
      waitinglist, webhooks,
  )
  
  router = routers.DefaultRouter()
  router.register(r'organizers', organizer.OrganizerViewSet)
  
  orga_router = routers.DefaultRouter()
  orga_router.register(r'events', event.EventViewSet)
  orga_router.register(r'subevents', event.SubEventViewSet)
  orga_router.register(r'webhooks', webhooks.WebHookViewSet)
  orga_router.register(r'seatingplans', organizer.SeatingPlanViewSet)
  orga_router.register(r'giftcards', organizer.GiftCardViewSet)
  orga_router.register(r'teams', organizer.TeamViewSet)
  
  team_router = routers.DefaultRouter()
  team_router.register(r'members', organizer.TeamMemberViewSet)
  team_router.register(r'invites', organizer.TeamInviteViewSet)
  team_router.register(r'tokens', organizer.TeamAPITokenViewSet)
  
  event_router = routers.DefaultRouter()
  event_router.register(r'subevents', event.SubEventViewSet)
  event_router.register(r'clone', event.CloneEventViewSet)
  event_router.register(r'items', item.ItemViewSet)
  event_router.register(r'categories', item.ItemCategoryViewSet)
  event_router.register(r'questions', item.QuestionViewSet)
  event_router.register(r'quotas', item.QuotaViewSet)
  event_router.register(r'vouchers', voucher.VoucherViewSet)
  event_router.register(r'orders', order.OrderViewSet)
  event_router.register(r'orderpositions', order.OrderPositionViewSet)
  event_router.register(r'invoices', order.InvoiceViewSet)
  event_router.register(r'taxrules', event.TaxRuleViewSet)
  event_router.register(r'waitinglistentries', waitinglist.WaitingListViewSet)
  event_router.register(r'checkinlists', checkin.CheckinListViewSet)
  event_router.register(r'cartpositions', cart.CartPositionViewSet)
  
  checkinlist_router = routers.DefaultRouter()
  checkinlist_router.register(r'positions', checkin.CheckinListPositionViewSet)
  
  question_router = routers.DefaultRouter()
  question_router.register(r'options', item.QuestionOptionViewSet)
  
  item_router = routers.DefaultRouter()
  item_router.register(r'variations', item.ItemVariationViewSet)
  item_router.register(r'addons', item.ItemAddOnViewSet)
  item_router.register(r'bundles', item.ItemBundleViewSet)
  
  order_router = routers.DefaultRouter()
  order_router.register(r'payments', order.PaymentViewSet)
  order_router.register(r'refunds', order.RefundViewSet)
  
  # Force import of all plugins to give them a chance to register URLs with the router
  for app in apps.get_app_configs():
      if hasattr(app, 'PretixPluginMeta'):
          if importlib.util.find_spec(app.name + '.urls'):
              importlib.import_module(app.name + '.urls')
  
  urlpatterns = [
      url(r'^', include(router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/', include(orga_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/events/(?P<event>[^/]+)/', include(event_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/teams/(?P<team>[^/]+)/', include(team_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/events/(?P<event>[^/]+)/items/(?P<item>[^/]+)/', include(item_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/events/(?P<event>[^/]+)/questions/(?P<question>[^/]+)/',
          include(question_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/events/(?P<event>[^/]+)/checkinlists/(?P<list>[^/]+)/',
          include(checkinlist_router.urls)),
      url(r'^organizers/(?P<organizer>[^/]+)/events/(?P<event>[^/]+)/orders/(?P<order>[^/]+)/', include(order_router.urls)),
      url(r"^oauth/authorize$", oauth.AuthorizationView.as_view(), name="authorize"),
      url(r"^oauth/token$", oauth.TokenView.as_view(), name="token"),
      url(r"^oauth/revoke_token$", oauth.RevokeTokenView.as_view(), name="revoke-token"),
      url(r"^device/initialize$", device.InitializeView.as_view(), name="device.initialize"),
      url(r"^device/update$", device.UpdateView.as_view(), name="device.update"),
      url(r"^device/roll$", device.RollKeyView.as_view(), name="device.roll"),
      url(r"^device/revoke$", device.RevokeKeyView.as_view(), name="device.revoke"),
      url(r"^me$", user.MeView.as_view(), name="user.me"),
  ]
  