def setdefault(self, key, default=None):
                if key in self:
                    return self[key]
                self[key] = default
                return default
Removes a specific cached image file and any attributes about the image
dataset/ETHPy150Open saltstack/salt/salt/utils/odict.py/OrderedDict.setdefault--crossover with--dataset/ETHPy150Open rcbops/glance-buildpackage/glance/image_cache/drivers/xattr.py/Driver.delete_cached_image