old_contents: """imagersite URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.9/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.contrib import admin
  from imagersite import settings
  from django.conf.urls.static import static
  
  from imager_profile.views import IndexView, profile_view
  from imager_images.views import latest_library_view, album_view, photo_view
  
  image_patterns = [
      url(r'^images/library/$', latest_library_view, name="library"),
      url(r'^images/album/((?P<album_id>[\d+])/)?$', album_view, name="albums"),
      url(r'^images/photos/((?P<photo_id>[\d+])/)?$', photo_view, name="photos_view"),
  ]
  
  hmac_patterns = [
      url(r'^accounts/', include('registration.backends.hmac.urls'))
  ]
  
  profile_patterns = [
      url(r'^$', IndexView.as_view()),
      url(r'^profile/((?P<profile_id>[\d+])/)?$', profile_view)
  ]
  
  admin_patterns = [
      url(r'^admin/', admin.site.urls),
  ]
  
  urlpatterns = profile_patterns + admin_patterns + hmac_patterns + image_patterns
  
  if settings.DEBUG:
      urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
new_contents: """imagersite URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.9/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.contrib import admin
  from imagersite import settings
  from django.conf.urls.static import static
  
  from imager_profile.views import IndexView, profile_view
  from imager_images.views import latest_library_view, album_view, photo_view
  
  image_patterns = [
      url(r'^images/library/$', latest_library_view, name="library"),
      url(r'^images/album/(?:(?P<album_id>[\d+])/)?$', album_view, name="albums"),
      url(r'^images/photos/(?:(?P<photo_id>[\d+])/)?$', photo_view, name="photos_view"),
  ]
  
  hmac_patterns = [
      url(r'^accounts/', include('registration.backends.hmac.urls'))
  ]
  
  profile_patterns = [
      url(r'^$', IndexView.as_view()),
      url(r'^profile/(?:(?P<profile_id>[\d+])/)?$', profile_view)
  ]
  
  admin_patterns = [
      url(r'^admin/', admin.site.urls),
  ]
  
  urlpatterns = profile_patterns + admin_patterns + hmac_patterns + image_patterns
  
  if settings.DEBUG:
      urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
subject: set url regex groups we don't care about to non-capturing