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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def set_permissions(self, object, replace=False):
 """ Sets the S3 ACL grants for the given object to the appropriate value based on the type of Distribution. If the Distribution is serving private content the ACL will be set to include the Origin Access Identity associated with the Distribution. If the Distribution is serving public content the content will be set up with "public-read". :type object: :class:`boto.cloudfront.object.Object` :param enabled: The Object whose ACL is being set :type replace: bool :param replace: If False, the Origin Access Identity will be appended to the existing ACL for the object. If True, the ACL for the object will be completely replaced with one that grants READ permission to the Origin Access Identity. """

        if isinstance(self.config.origin, S3Origin):
            if self.config.origin.origin_access_identity:
                id = self.config.origin.origin_access_identity.split('/')[-1]
                oai = self.connection.get_origin_access_identity_info(id)
                policy = object.get_acl()
                if replace:
                    policy.acl = ACL()
                policy.acl.add_user_grant('READ', oai.s3_user_id)
                object.set_acl(policy)
            else:
                object.set_canned_acl('public-read')