Instantiate a BucketStorageUri from the current BucketStorageUri,
        but replacing the object_name.

        @type new_name: string
        @param new_name: new object name

def clone_replace_name(self, new_name):
        """Instantiate a BucketStorageUri from the current BucketStorageUri,
        but replacing the object_name.

        @type new_name: string
        @param new_name: new object name
        """
        if not self.bucket_name:
            raise InvalidUriError('clone_replace_name() on bucket-less URI %s' %
                                  self.uri)
        return BucketStorageUri(
            self.scheme, self.bucket_name, new_name, self.debug,
            suppress_consec_slashes=self.suppress_consec_slashes)