def copy_to_dict(self):
        settings = self.copy()
        return settings._to_dict()
Return a list of the images present in _base.
dataset/ETHPy150Open scrapy/scrapy/scrapy/settings/__init__.py/BaseSettings.copy_to_dict--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/imagecache.py/ImageCacheManager._list_base_images