image_service.py 文件源码

def get_image_unique_id(self, image_href):
        """Get unique ID of the resource.

        If possible, the ID should change if resource contents are changed.

        :param image_href: Image reference.
        :returns: Unique ID of the resource.
        """
        # NOTE(vdrok): Doing conversion of href in case it's unicode
        # string, UUID cannot be generated for unicode strings on python 2.
        return str(uuid.uuid5(uuid.NAMESPACE_URL,
                              image_href.encode('utf-8')))