code: def model_page(self, request, app_label, model_name, rest_of_url=None):
          
          try:
              model = get_model(app_label, model_name)
          except LookupError:
              model = None
  
          if model is None:
              raise http.Http404("App %r, model %r, not found." %
                                 (app_label, model_name))
          try:
              databrowse_class = self.registry[model]
          except KeyError:
              raise http.Http404("This model exists but has not been registered "
                                 "with databrowse.")
          return databrowse_class(model, self).root(request, rest_of_url)
docs: Handles the model-specific functionality of the databrowse site,
          delegating<to the appropriate ModelDatabrowse class.