text: from django.core.cache import cache
  
  
  class UseCacheAfterToolbar:
      """
      This middleware exists to use the cache before and after
      the toolbar is setup.
      """
  
      def __init__(self, get_response):
          self.get_response = get_response
  
      def __call__(self, request):
          cache.set("UseCacheAfterToolbar.before", 1)
          response = self.get_response(request)
          cache.set("UseCacheAfterToolbar.after", 1)
          return response
  