def upsert(self, key, value, cas=0, ttl=0, format=None,
               persist_to=0, replicate_to=0):
        return _Base.upsert(self, key, value, cas=cas, ttl=ttl,
                            format=format, persist_to=persist_to,
                            replicate_to=replicate_to)
Unconditionally store the object in Couchbase.
dataset/ETHPy150Open couchbase/couchbase-python-client/couchbase/bucket.py/Bucket.upsert