Here are the factory scales:
init_values=(
('natural major', [0, 2, 4, 5, 7, 9, 11, 12]) ,
('ionian', [0, 2, 4, 5, 7, 9, 11, 12]) ,
('major', [0, 2, 4, 5, 7, 9, 11, 12]) ,
('chromatic', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]) ,
('spanish 8 tone', [0, 1, 3, 4, 5, 6, 8, 10, 12]) ,
('flamenco', [0, 1, 3, 4, 5, 7, 8, 10, 12]) ,
('symmetrical', [0, 1, 3, 4, 6, 7, 9, 10, 12]) ,
('inverted diminished', [0, 1, 3, 4, 6, 7, 9, 10, 12]) ,
('diminished', [0, 2, 3, 5, 6, 8, 9, 11, 12]) ,
('whole tone', [0, 2, 4, 6, 8, 10, 12]) ,
('augmented', [0, 3, 4, 7, 8, 11, 12]) ,
('3 semitone', [0, 3, 6, 9, 12]) ,
('4 semitone', [0, 4, 8, 12]) ,
('locrian ultra', [0, 1, 3, 4, 6, 8, 9, 12]) ,
('locrian super', [0, 1, 3, 4, 6, 8, 10, 12]) ,
('indian', [0, 1, 3, 4, 7, 8, 10, 12]) ,
('locrian', [0, 1, 3, 5, 6, 8, 10, 12]) ,
('phrygian', [0, 1, 3, 5, 7, 8, 10, 12]) ,
('neapolitan minor', [0, 1, 3, 5, 7, 8, 11, 12]) ,
('javanese', [0, 1, 3, 5, 7, 9, 10, 12]) ,
('neapolitan major', [0, 1, 3, 5, 7, 9, 11, 12]) ,
('todi', [0, 1, 3, 6, 7, 8, 11, 12]) ,
('persian', [0, 1, 4, 5, 6, 8, 11, 12]) ,
('oriental', [0, 1, 4, 5, 6, 9, 10, 12]) ,
('phrygian major', [0, 1, 4, 5, 7, 8, 10, 12]) ,
('spanish', [0, 1, 4, 5, 7, 8, 10, 12]) ,
('jewish', [0, 1, 4, 5, 7, 8, 10, 12]) ,
('double harmonic', [0, 1, 4, 5, 7, 8, 11, 12]) ,
('gypsy', [0, 1, 4, 5, 7, 8, 11, 12]) ,
('byzantine', [0, 1, 4, 5, 7, 8, 11, 12]) ,
('chahargah', [0, 1, 4, 5, 7, 8, 11, 12]) ,
('marva', [0, 1, 4, 6, 7, 9, 11, 12]) ,
('enigmatic', [0, 1, 4, 6, 8, 10, 11, 12]) ,
('locrian natural', [0, 2, 3, 5, 6, 8, 10, 12]) ,
('natural minor', [0, 2, 3, 5, 7, 8, 10, 12]) ,
('minor', [0, 2, 3, 5, 7, 8, 10, 12]) ,
('melodic minor', [0, 2, 3, 5, 7, 9, 11, 12]) ,
('aeolian', [0, 2, 3, 5, 7, 8, 10, 12]) ,
('algerian 2', [0, 2, 3, 5, 7, 8, 10, 12]) ,
('hungarian minor', [0, 2, 3, 6, 7, 8, 11, 12]) ,
('algerian', [0, 2, 3, 6, 7, 8, 11, 12]) ,
('algerian 1', [0, 2, 3, 6, 7, 8, 11, 12]) ,
('harmonic minor', [0, 2, 3, 5, 7, 8, 11, 12]) ,
('mohammedan', [0, 2, 3, 5, 7, 8, 11, 12]) ,
('dorian', [0, 2, 3, 5, 7, 9, 10, 12]) ,
('hungarian gypsy', [0, 2, 3, 6, 7, 8, 11, 12]),
('romanian', [0, 2, 3, 6, 7, 9, 10, 12]) ,
('locrian major', [0, 2, 4, 5, 6, 8, 10, 12]) ,
('arabian', [0, 1, 4, 5, 7, 8, 11, 12]) ,
('hindu', [0, 2, 4, 5, 7, 8, 10, 12]) ,
('ethiopian', [0, 2, 4, 5, 7, 8, 11, 12]) ,
('mixolydian', [0, 2, 4, 5, 7, 9, 10, 12]) ,
('mixolydian augmented', [0, 2, 4, 5, 8, 9, 10, 12]) ,
('harmonic major', [0, 2, 4, 5, 8, 9, 11, 12]) ,
('lydian minor', [0, 2, 4, 6, 7, 8, 10, 12]) ,
('lydian dominant', [0, 2, 4, 6, 7, 9, 10, 12]) ,
('overtone', [0, 2, 4, 6, 7, 9, 10, 12]) ,
('lydian', [0, 2, 4, 6, 7, 9, 11, 12]) ,
('lydian augmented', [0, 2, 4, 6, 8, 9, 10, 12]) ,
('leading whole tone', [0, 2, 4, 6, 8, 10, 11, 12]) ,
('blues', [0, 3, 5, 6, 7, 10, 12]),
('hungarian major', [0, 3, 4, 6, 7, 9, 10, 12]) ,
('pb', [0, 1, 3, 6, 8, 12]) ,
('balinese', [0, 1, 3, 7, 8, 12]) ,
('pe', [0, 1, 3, 7, 8, 12]) ,
('pelog', [0, 1, 3, 7, 10, 12]) ,
('iwato', [0, 1, 5, 6, 10, 12]) ,
('japanese', [0, 1, 5, 7, 8, 12]) ,
('kumoi', [0, 1, 5, 7, 8, 12]) ,
('hirajoshi', [0, 2, 3, 7, 8, 12]) ,
('pa', [0, 2, 3, 7, 8, 12]) ,
('pd', [0, 2, 3, 7, 9, 12]) ,
('pentatonic major', [0, 2, 4, 7, 9, 12]) ,
('chinese', [0, 2, 4, 7, 9, 12]) ,
('chinese 1', [0, 2, 4, 7, 9, 12]) ,
('mongolian', [0, 2, 4, 7, 9, 12]) ,
('pfcg', [0, 2, 4, 7, 9, 12]) ,
('egyptian', [0, 2, 3, 6, 7, 8, 11, 12]) ,
('pentatonic minor', [0, 3, 5, 7, 10, 12]) ,
('chinese 2', [0, 4, 6, 7, 11, 12]) ,
('altered', [0, 1, 3, 4, 6, 8, 10, 12]) ,
('bebop dominant', [0, 2, 4, 5, 7, 9, 10, 11, 12]) ,
('bebop dominant flatnine', [0, 1, 4, 5, 7, 9, 10, 11, 12]),
('bebop major', [0, 2, 4, 5, 7, 8, 9, 11, 12]),
('bebop minor', [0, 2, 3, 5, 7, 8, 9, 10, 12 ]),
('bebop tonic minor', [0, 2, 3, 5, 7, 8, 9, 11, 12 ]),
('monotone', [0]),
I think (?) you might be able to load them by name (ie: put the name in the talker)
But seriously, why not just load them and save a setup unless you want to make more than 8?