def chord(sheetId, chordId):
if request.method == 'GET':
chord = db.session.query(Chord).join(Sheet).filter(
Sheet.id == sheetId).filter(Chord.id == chordId).first()
return jsonify(chord.to_dict())
elif request.method == 'PUT':
data = request.json
chord = db.session.query(Chord).join(Sheet).filter(
Sheet.id == sheetId).filter(Chord.id == chordId).first()
shorthand_notation = data['name']
chord.name = shorthand_notation
chord.notes = ' '.join(ch.from_shorthand(shorthand_notation))
inversions = [
' '.join(ch.first_inversion(chord.notes.split(' '))),
' '.join(ch.second_inversion(chord.notes.split(' '))),
' '.join(ch.third_inversion(chord.notes.split(' ')))
]
chord.inversions = [
Inversion(name=str(i), notes=notes)
for i, notes in enumerate(inversions)
]
chord.updated_at = dt.utcnow()
db.session.commit()
return jsonify(chord.to_dict()), 201
elif request.method == 'DELETE':
db.session.query(Chord).filter(Chord.sheet_id == sheetId).filter(
Chord.id == chordId).delete()
db.session.query(Inversion).filter(
Inversion.chord_id == chordId).delete()
db.session.commit()
return jsonify(
{"msg":
f"Chord {chordId} has been deleted from Sheet {sheetId}."}), 201
def sheets():
if request.method == 'GET':
sheets = Sheet.query.all()
return jsonify({'sheets': [s.to_dict() for s in sheets]})
elif request.method == 'POST':
data = request.json
sheet = Sheet(name=data['name'])
chords = []
for c in data['chords']:
shorthand_notation = c['name']
chord = Chord(name=shorthand_notation)
chord.notes = ' '.join(ch.from_shorthand(shorthand_notation))
print(chord.notes)
inversions = [
' '.join(ch.first_inversion(chord.notes.split(' '))),
' '.join(ch.second_inversion(chord.notes.split(' '))),
' '.join(ch.third_inversion(chord.notes.split(' ')))
]
chord.inversions = [
Inversion(name=str(i), notes=notes)
for i, notes in enumerate(inversions)
]
chords.append(chord)
sheet.chords = chords
db.session.add(sheet)
db.session.commit()
return jsonify(sheet.to_dict()), 201
def invert(chord):
k = len(chord) - 1
r = random.randint(0, k)
if r==1:
return chords.first_inversion(chord)
elif r==2:
return chords.second_inversion(chord)
elif r==3:
return chords.third_inversion(chord)
else:
return chord
def sheet(sheetId):
if request.method == 'GET':
sheet = Sheet.query.get(sheetId)
return jsonify({'sheet': sheet.to_dict()})
elif request.method == 'PUT':
data = request.json
shorthand_notation = data['name']
chord = Chord(name=shorthand_notation, sheet_id=sheetId)
chord.name = shorthand_notation
chord.notes = ' '.join(ch.from_shorthand(shorthand_notation))
inversions = [
' '.join(ch.first_inversion(chord.notes.split(' '))),
' '.join(ch.second_inversion(chord.notes.split(' '))),
' '.join(ch.third_inversion(chord.notes.split(' ')))
]
chord.inversions = [
Inversion(name=str(i), notes=notes)
for i, notes in enumerate(inversions)
]
chord.updated_at = dt.utcnow()
db.session.add(chord)
db.session.commit()
return jsonify(chord.to_dict()), 201
elif request.method == 'DELETE':
chordIds = [
chord.id for chord in db.session.query(Chord).join(Sheet).filter(
Sheet.id == sheetId).all()
]
db.session.query(Sheet).filter(Sheet.id == sheetId).delete()
for id in chordIds:
db.session.query(Chord).filter(Chord.sheet_id == sheetId).filter(
Chord.id == id).delete()
db.session.query(Inversion).filter(
Inversion.chord_id == id).delete()
db.session.commit()
return jsonify({"msg": f"Sheet {sheetId} has been deleted."}), 201
print(flatList)
builtChords = progressions.to_chords(flatList, key)
## Create bars for each chord
comp = []
lead = []
for chord in builtChords:
modChord = chord
#randomly invert before adding
if random() > 0.7: # and randVal < 0.8:
modChord = chords.second_inversion(modChord)
elif random() > 0.7:
modChord = chords.third_inversion(modChord)
container = NoteContainer(modChord)
#write a melody
leadBar = Bar(key, meter)
noteLengths = [2, 4, 8]
lastNote = Note()
lastNoteLength = 4
while leadBar.is_full() == False:
if random() < 0.8:
currentBeat = leadBar.current_beat
# add a note
# if random() < 0.5 and len(leadBar) > 0:
# n = Note(intervals.second(lastNote.name, key))