Give an award once and only once

give-award-once.py

# add an award icon to a specific player ("CFO") where awards have a type
# and a count, some awards can be given once, and some more than once
ctx = [
    ctxh.cdt_ctx_map_key("CFO"),
    # the attribute map is the second element of the tuple
    ctxh.cdt_ctx_list_index(1),
]
ops = [
    # give the unicorn award exactly once
    mh.map_put(
        "scores", "awards", {"🦄": 1}, {
            "map_write_flags": aerospike.MAP_WRITE_FLAGS_CREATE_ONLY
            | aerospike.MAP_WRITE_FLAGS_NO_FAIL
        }, ctx)
]
k, m, b = client.operate(key, ops)