boto/boto — pull request #2022 by tpodowd (2014-01-23 02:54:13+00:00)
Title: Add policy parameter support to copy_key().

- Similar to other API which add a key or a bucket to the S3 server,
Allow the user to override the default canned-acl which is applied
to the new key. This default policy override is only used if the
preserve_acl parameter is False.