Redshift UDF in Python to get an UUID v5

redshift_py_uuid5_udf.sql

-- Use:
-- select f_py_uuid5('30fb0513-dddf-4801-ac98-dacc8b7953e5', '[email protected]');
-- > d6d2210e-b94c-5a26-95b7-ccf97f29ad1f
create or replace function f_py_uuid5(namespace varchar, name varchar)
    returns varchar
    immutable
as $$
import uuid
return uuid.uuid5(uuid.UUID(namespace), name).__str__()
$$ language plpythonu;