instance method partial_path

# File actionpack/lib/action_view/render/partials.rb, line 359
      def partial_path(object = @object)
        @partial_names[object.class.name] ||= begin
          object = object.to_model if object.respond_to?(:to_model)

          object.class.model_name.partial_path.dup.tap do |partial|
            path = @view.controller_path
            partial.insert(0, "#{File.dirname(path)}/") if partial.include?(?/) && path.include?(?/)
          end
        end
      end