Allowed to refresh images of classes with namespaces (fixes).

lib/paperclip.rb

@@ -114,7 +114,7 @@ module Paperclip
     end
 
     def each_instance_with_attachment(klass, name)
-      Object.const_get(klass).all.each do |instance|
+      obtain_class_from_class_name(klass).all.each do |instance|
         yield(instance) if instance.send(:"#{name}?")
       end
     end
@@ -132,6 +132,12 @@ module Paperclip
     def logging? #:nodoc:
       options[:log]
     end
+    
+    def obtain_class_from_class_name(class_name)
+      class_name.split('::').inject(Object) do |klass, partial_class_name|
+        klass.const_get(partial_class_name)
+      end
+    end
   end
 
   class PaperclipError < StandardError #:nodoc:

lib/tasks/paperclip.rake

@@ -4,14 +4,8 @@ def obtain_class
   class_name
 end
 
-def obtain_class_from_class_name(class_name)
-  class_name.split('::').inject(Object) do |klass, partial_class_name|
-    klass.const_get(partial_class_name)
-  end
-end
-
 def obtain_attachments(klass)
-  klass = obtain_class_from_class_name(klass.to_s)
+  klass = Paperclip.obtain_class_from_class_name(klass.to_s)
   name = ENV['ATTACHMENT'] || ENV['attachment']
   raise "Class #{klass.name} has no attachments specified" unless klass.respond_to?(:attachment_definitions)
   if !name.blank? && klass.attachment_definitions.keys.include?(name)