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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"blob.acl.save_predefined() only works for private","articleBody":"[From the documentation.](https://googlecloudplatform.github.io/gcloud-python/stable/storage-acl.html#gcloud.storage.acl.ACL.save_predefined)\n\n\u003e Must be one of the keys in [_PREDEFINED_ACLS](https://github.com/tseaver/gcloud-python/blob/1a210341811aff3b4185f830b07e87b22c1ef73d/gcloud/storage/acl.py#L171)\n\n``` Python\n    _PREDEFINED_ACLS = frozenset([\n        \"private\",\n        \"project-private\",\n        \"public-read\",\n        \"public-read-write\",\n        \"authenticated-read\",\n        \"bucket-owner-read\",\n        \"bucket-owner-full-control\",\n    ])\n```\n\nLet's try.\n\n``` Python\n\u003e\u003e\u003e blob.acl.save_predefined('public-read')\n...\ngcloud.exceptions.BadRequest: 400 Invalid string value: 'public-read'. Allowed values: [authenticatedread, bucketownerfullcontrol, bucketownerread, private, projectprivate, publicread]\n\u003e\u003e\u003e blob.acl.save_predefined('publicread')\n...\nValueError: Invalid predefined ACL: publicread\n```\n\nCoincidentally, the [tests](https://github.com/tseaver/gcloud-python/blob/1a210341811aff3b4185f830b07e87b22c1ef73d/gcloud/storage/test_acl.py#L633) only try _private_.\n","author":{"url":"https://github.com/pdknsk","@type":"Person","name":"pdknsk"},"datePublished":"2016-03-25T00:53:21.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/1659/google-cloud-python/issues/1659"}