async def echo(websocket, path):
print("echo!!!")
async for message in websocket:
print("message!!!")
try:
ans = json.loads(message)
print(ans)
seq_number = ans['seq']
music = ans['music']
chord_length = ans['chordLength']
jazziness = ans['jazziness']
first_weight = ans['firstWeight']
determinism_weight = ans['determinismWeight']
seed = ans['seed']
bottom_bass = ans['bottomBass']
# this is a p bad name tbh
constraints = ans[
'constraints'] # Optional[List[{'time': float, 'value': str, 'locked': bool}]]
raw_notes = music['notes']
key_signature = ans['keySignature']
minorness = ans['minorness']
tolerance = ans['tolerance']
mode = ans['mode']
preserve = ans['preserve'] # preserve even unlocked stuff
midi_root_of_major = key_signature * 7 % 12
# even for relative minor we're going to use the major root for simplicity;
# we can transpose all the data, so it's fine.
if not constraints:
last_end = max(note['end'] for note in raw_notes)
constraints = [{
'time': i * chord_length,
'locked': False
} for i in range(1 + int(last_end // chord_length))]
preserve = False
grouped_notes = []
notes_ix = 0
# get all but last measure
for constraint, next_constraint in zip(constraints,
constraints[1:]):
start = constraint['time']
end = next_constraint['time']
group = []
while notes_ix < len(raw_notes) and raw_notes[notes_ix][
'start'] < end - tolerance:
group.append(
(raw_notes[notes_ix]['pitch'] - midi_root_of_major) %
12)
notes_ix += 1
grouped_notes.append(group)
# followed by last group
last_group = []
while notes_ix < len(raw_notes):
last_group.append(
(raw_notes[notes_ix]['pitch'] - midi_root_of_major) % 12)
notes_ix += 1
grouped_notes.append(last_group)
assert len(grouped_notes) == len(constraints)
print('------------------------')
print('constraints:', constraints)
locked_chords = [
Chord.parse(
constraint['value']).absolute_to_relative(key_signature)
if constraint['locked'] else None for constraint in constraints
]
if preserve:
preserve_chords = [
Chord.parse(constraint['value']).absolute_to_relative(
key_signature) for constraint in constraints
]
else:
preserve_chords = None
if mode == 'major': stat_set_list = [(1.0, major_stat_set)]
elif mode == 'parallel-minor':
stat_set_list = [(1.0, parallel_minor_stat_set)]
elif mode == 'relative-minor':
stat_set_list = [(1.0, relative_minor_stat_set)]
elif mode == 'mixed-parallel':
stat_set_list = [(1.0 - minorness, major_stat_set),
(minorness, parallel_minor_stat_set)]
elif mode == 'mixed-relative':
stat_set_list = [(1.0 - minorness, major_stat_set),
(minorness, relative_minor_stat_set)]
else:
stat_set_list = [(1.0, major_stat_set)] # ?????
chords = linearly_mixed_hmm_predict(
stat_set_list,
grouped_notes,
locked_chords,
preserve_chords,
jazziness=jazziness,
seed=seed,
first_note_weight=first_weight,
determinism_weight=determinism_weight)
res = []
for i, ((chord_score, chord), suggestion,
scored_chord_list) in enumerate(chords):
res.append({
'time':
constraints[i]['time'],
'value':
productionize_chord(chord, key_signature, chord_score,
bottom_bass),
'suggestion':
productionize_chord(suggestion[1], key_signature,
suggestion[0], bottom_bass)
if suggestion else None,
'locked':
i < len(locked_chords) and locked_chords[i] is not None,
'recommendations': [
productionize_chord(c, key_signature, s, bottom_bass)
for (s, c) in scored_chord_list
],
})
print('------------------------')
print('result:', res)
await websocket.send(
json.dumps({
'seq':
seq_number,
'allChords': [
productionize_chord(c, key_signature, 0, bottom_bass)
for c in all_chords
],
'result':
res,
}))
except Exception as e:
print(e)
traceback.print_exc()
await websocket.send(json.dumps({'error': traceback.format_exc()}))
import sys
from chord import Chord
from fingerboard import Fingerboard
args = sys.argv
chordName = args[1]
if len(args) > 2:
tensions = args[2:]
tones = Chord.parse(chordName, tensions)
inv = {v: k for k, v in tones.items()}
print ""
print "%s %s" % (chordName, " ".join(tensions))
print ""
for key in sorted(inv.keys()):
print " %3s: %2s" % (key, inv[key])
Fingerboard.dump(tones)
import sys
from chord import Chord
from fingerboard import Fingerboard
args = sys.argv
chordName = args[1]
if len(args) > 2:
tensions = args[2:]
tones = Chord.parse(chordName, tensions)
inv = {v:k for k, v in tones.items()}
print ""
print "%s %s" % (chordName, " ".join(tensions))
print ""
for key in sorted(inv.keys()):
print " %3s: %2s" % (key, inv[key])
Fingerboard.dump(tones)