def forwards(self, orm):
        "Write your forwards methods here."
        try:
            os.makedirs(os.path.join(settings.MEDIA_ROOT, 'screenshots'))
        except os.error:
            pass

        try:
            os.makedirs(os.path.join(settings.MEDIA_ROOT, 'icons'))
        except os.error:
            pass

        for ext in orm.Extension.objects.all():
            print type(ext).__file__
            new_screenshot = ext.make_screenshot_filename()
            new_icon = ext.make_icon_filename()
            os.rename(ext.screenshot, new_screenshot)
            os.rename(ext.icon, new_icon)
            ext.screenshot = new_screenshot
            ext.icon = new_icon
            ext.save()