inspector.rb in epub-parser-0.2.6

- old
+ new

@@ -23,23 +23,28 @@
         "#{name}=#{value.inspect}"
       }.join(' ')
     end
 
     module PublicationModel
-      TEMPLATE = "#<%{class}:%{object_id} @package=%{package} %{attributes}>"
       class << self
         def included(mod)
           mod.__send__ :include, Inspector
         end
       end
 
       def inspect
-        TEMPLATE % {
+        template % {
           :class      => self.class,
-          :package    => package.inspect_simply,
+          :package    => (package && package.inspect_simply),
           :object_id  => inspect_object_id,
           :attributes => inspect_instance_variables(exclude: [:@package])
         }
+      end
+
+      def template
+        t = "#<%{class}:%{object_id}"
+        t << " @package=%{package}" if package
+        t << " %{attributes}>"
       end
     end
   end
 end