def get_photo_thumbnail_url(self): if getattr(self, 'photo'): # Если не пустое значение. dir, file = os.path.split(getattr(self, 'photo')) file_name, ext = os.path.splitext(file) new_file_name = file_name + u'_thumbnail' + ext path = os.path.join(dir, new_file_name) return urlparse.urljoin(settings.MEDIA_URL, path).replace('\\', '/') return ''