docs: def models_get(self, resource_url):
          """Get handle for model resource at given Url.
  
          Parameters
          ----------
          resource_url : string
              Url for subject resource at SCO-API
  
          Returns
          -------
          models.ModelHandle
              Handle for local copy of subject resource
          """
          # Get resource directory, Json representation, active flag, and cache id
          obj_dir, obj_json, is_active, cache_id = self.get_object(resource_url)
          # Create model handle.
          model = ModelHandle(obj_json)
          # Add resource to cache if not exists
          if not cache_id in self.cache:
              self.cache_add(resource_url, cache_id)
          # Return subject handle
          return model