Couchbase: Python SDK "uppend"

I want to do an 'uppend_multi': an append_multi (http://pythonhosted.org/couchbase/api/couchbase.html#couchbase.bucket.Bucket.append_multi) where some of the keys may not exist. If

Solution 1:

As far as I know there is no such "uppend" operation in the Couchbase Python SDK, nor in the lower-level C API (libcouchbase).

What you're currently doing is probably a pretty reasonable solution.