old_contents: def get_page(self):
      """
      A function which will be monkeypatched onto the request to get the current
      integer representing the current page.
      """
      try:
          return int(self.GET.get('page'))
      except (KeyError, ValueError, TypeError):
          return 1
  
  
  class PaginationMiddleware(object):
      """
      Inserts a variable representing the current page onto the request object if
      it exists in either **GET** or **POST** portions of the request.
      """
      def process_request(self, request):
          request.__class__.page = property(get_page)
  
new_contents: def get_page(self):
      """
      A function which will be monkeypatched onto the request to get the current
      integer representing the current page.
      """
      try:
          return int(self.GET.get('page'))
      except (KeyError, ValueError, TypeError):
          return 1
  
  
  class PaginationMiddleware(object):
      def __init__(self, get_response):
          self.get_response = get_response
      """
      Inserts a variable representing the current page onto the request object if
      it exists in either **GET** or **POST** portions of the request.
      """
      def __call__(self, request):
          request.__class__.page = property(get_page)
          return self.get_response(request)
  
subject: Upgrade to Django 1.10-style middleware