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Transposer.py
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Transposer.py
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from appJar import gui
import math
import random
import music21
import numpy
import scipy
lower = 'a9'
upper = 'c9'
note = ''
noteNum = 51
octaveNum = 48
toggle = True
app = gui("Transposer", "400x200")
app.setResizable(True)
app.addLabel("title", "You Suck at Singing")
app.setLabelBg("title", "red")
counter = {0: "a", 1:"a#", 2: "b", 3: "c", 4: "c#", 5: "d", 6: "d#", 7: "e", 8: "f", 9: "f#", 10: "g", 11: "g#"}
accidential = {0: "", 1: "#"}
#the number coefficient will divide the current iterator number by 8 and subtract the remaineder
def mainPress(button):
if button == "Bound":
app.hide()
app.showSubWindow("Lower Bound")
if button == "Transpose":
print(str(getKey()))
score = music21.converter.parse("APie.mid")
key = score.analyze('key')
#key = score[0]
print(key.tonic)
interval = music21.interval.Interval(key.tonic,music21.pitch.Pitch(getKey()["note"]))
print (interval)
newScore = score.transpose(interval)
for i in newScore.recurse().getElementsByClass('Instrument'):
if i.midiProgram is None:
i.midiProgram = 0
print(str(newScore.analyze('key'))+" Steps 1 of 2 complete")
#newScore.write('midi',"newfilename.mid")
newScore.write("midi", "APieTranspose.mid")
mf = music21.midi.translate.streamToMidiFile(newScore)
print(len(mf.tracks))
## stream = music21.stream.Stream()
## stream.append(score)
## player = music21.midi.realtime.StreamPlayer(stream)
## player.play
#stream = music21.stream.Stream()
#stream.append(score)
#stream.show()
def lowPress(button):
global lower, upper, note, noteNum, octaveNum
if button == "Lower":
noteNum = noteNum - 1
octaveNum= octaveNum - 1
app.playNote(halfStep(1)["note"], 1500)
if button == "Higher":
noteNum = noteNum + 1
octaveNum= octaveNum + 1
app.playNote(halfStep(-1)["note"], 1500)
if button == "Set Lower":
lower = note
print(lower)
if button == "Set Upper":
upper = note
print(upper)
if button == "Back":
app.hideSubWindow("Lower Bound")
app.show()
def halfStep(num):
global noteNum, octaveNum, toggle, octave, note,octaveNumPrev
letter = counter[(noteNum % 12)]
#initially set octave one time
if(toggle):
octave = math.floor(noteNum / 12)
print(octave)
toggle = False
octaveNumPrev = 0
octave = math.floor(octaveNum/12)
if(octave < 0 ):
octave = 0
print (octaveNum)
print("onp "+str(octaveNumPrev))
note = {"note": letter + str(int(octave)), "number": noteNum, "octave":octave}
print(note)
return note
def getKey():
diff = upper["number"] - lower["number"]
if(diff <=0):
app.warningBox("Bound Error", "Bounds are Inverted bruh")
return
else:
if((diff%2) == 0):
key = {"note": counter[(lower["number"]+(diff/2))%12], "number":lower["number"]+(diff/2)}
else:
qSpin = [-0.5,0.5]
spin = random.choice(qSpin)
key = {"note": counter[(lower["number"]+(diff/2)+spin)%12], "number":lower["number"]+(diff/2)+spin}
print(key)
return key
app.startSubWindow("Lower Bound", True)
app.addButtons(["Lower", "Higher"],lowPress)
app.addButtons(["Set Lower", "Set Upper"], lowPress)
app.addButtons(["Back"], lowPress)
app.stopSubWindow()
app.addButtons(["Upload", "Transpose"], mainPress)
app.addButtons(["Bound"], mainPress)
app.go()