def testNotes(self):
print('testing notes')
for i in range(0, 12):
if not Note.isWhite(i):
continue
print('chromatic index :' + str(i))
print('chromatitc name :' + str(Note(i)))
d = Diatonic(Diatonic.index(Note(i).value)).name
ch = Note(i).name
print('diatonic name :' + d)
assert(d == ch)
def isChord(self):
if self.index < 2:
return False
j = Diatonic.interval(self.parent, self.note)
j_ = Diatonic.interval(self.sequence[self.index - 2], self.parent)
if j == -2 and j_ == -3:
return True
if j == 2 and j_ == 3:
return True
if j == -2 and j_ == -2:
return True
if j == 2 and j_ == 2:
return True
return False
def validMelody(self, size=11, counter=False, mode=None):
index = self.index
note = self.note
if index > 0:
'''si nota es parent, rompe regla de nota repetida'''
'''contrapunto tiene permitido repetir a los mas dos'''
if note == self.parent:
if not counter:
print('here repeated note')
return False
elif index >= 2 and self.sequence[index - 2] == note:
print('AAA AT COUNTER')
return False
if index == 1 and not self.checkEnd(index, note, counter, mode):
print('invalid ending ' + str(self.sequence))
return False
if not self.checkTritone(note):
print('tritone movement')
return False
if index < 2:
return True
lastJump = self.sequence[index - 1] - self.sequence[index - 2]
if lastJump != 0 and not self.checkTritoneIsolated(lastJump):
print('isolated tritone')
return False
if not self.checkJumpEnd():
return False
j = Diatonic.index(note) - Diatonic.index(self.parent)
if j != 0 and not self.checkLegalJump(j):
print('illegal jump')
return False
if index < 3:
return True
jump = Diatonic.interval(self.parent, self.note)
seq = self.sequence
if not self.checkMovement(jump, seq, index):
print('invalid movement')
return False
if not self.checkSequences(seq, index):
print('sequences found')
return False
if index == size - 1 and not self.checkStart(counter, mode):
print('invalid start')
return False
return True
def testNotes(self):
if testNotes:
print('TESTING DIATONIC-CHROMATIC CORRESPONDANCE')
print('TESTING CHROMATIC TO DIATONIC SCALE')
for i in range(0, 15):
note = Note.diatonicScale(0, -i)
print('note :'+str(Note(note % 12)) + ' octave :' + str(int(note / 12)))
for i in range(0, 12):
if not Note.isWhite(i):
continue
print('chromatic index :' + str(i))
print('chromatitc name :' + str(Note(i)))
d = Diatonic(Diatonic.index(Note(i).value)).name
ch = Note(i).name
print('diatonic name :' + d)
assert(d == ch)
for i in range(0, 24):
print(Note(i % 12))
print('dIndex : ' + str(Diatonic.index(i)))
for i in range(0, 24):
print(Note((-i) % 12))
print('dIndex : ' + str(Diatonic.index(-i)))
print('testing intervals')
for i in range(0, 26):
if not Note.isWhite(i):
continue
print(Note(i % 12).name + str(i//12))
print(Diatonic.interval(0, i))
for i in range(0, 26):
if not Note.isWhite(-i):
continue
print(Note((-i) % 12).name + str(-i//12))
print(Diatonic.interval(0, -i))
def checkSequences(self, sequence, index):
print('check sequence ' + str(self.note))
i = index
note = self.note
parent = self.parent
s = sequence
jump = Diatonic.interval(parent, note)
if i < 3:
return True
interval02 = Diatonic.interval(s[i - 2], s[i - 0])
interval13 = Diatonic.interval(s[i - 3], s[i - 1])
print(interval02 == 0)
print(interval13)
if interval02 == interval13 and (abs(jump) > 1 or interval02 == 0):
print('ab , a+x b+x')
return False
if i > 5:
interval25 = Diatonic.interval(s[i - 5], s[i - 2])
interval14 = Diatonic.interval(s[i - 4], s[i - 1])
if interval25 == interval14 and abs(jump) > 1:
if interval14 == Diatonic.interval(s[i - 3], note):
print('abc , a+x b+x c+x')
return False
return True
def checkMovement(self, jump, seq, index):
j = Diatonic.interval(seq[index - 2], seq[index - 1])
if j == 1 and jump > 1:
parent = str(self.parent)
note = str(self.note)
p = str(seq[index - 2])
print('jump down + continuos ' + note + ' ' + parent + ' ' + p)
return False
elif jump == -1 and j < -1:
print(index)
print(self.note)
print(self.jump())
print('continous + jumpUp')
return False
return True
def checkMovement(self, jump, seq, index):
j = Diatonic.interval(seq[index - 2], seq[index - 1])
print('check movement {}'.format(self.note))
if j == 1 and jump > 1:
parent = self.parent
note = self.note
p = seq[index - 2]
print('{} {} {}: jump down + continuos '.format(note, parent, p))
return False
elif jump == -1 and j < -1:
parent = self.parent
note = self.note
p = seq[index - 2]
print('{} {} {}: continous + jumpUp'.format(note, parent, p))
return False
return True
def validMelody(self, counterMode=False, mode=None):
index = self.index
note = self.note
if index > 0:
'''si nota es parent, rompe regla de nota repetida'''
'''contrapunto tiene permitido repetir a los mas dos'''
if note == self.parent:
if not counterMode:
print('here repeated note')
return False
elif index >= 2 and self.sequence[index - 2] == note:
print('AAA AT COUNTER')
return False
'''haciendo el arbol al reves, index = 1,
representa penultima nota'''
'''debe ser 2ndo grado en el cantusFirmus y sensible para
contrapunto, sensible = modo - 1, en la escala cromatica y diat'''
if index == 1:
print('caca' + str(self))
if not self.checkEnd(index, note, counterMode, mode):
print('invalid ending')
return False
if not self.checkTritone(note):
print('tritone movement')
return False
if index >= 2:
lastJump = self.sequence[index - 1] - self.sequence[index - 2]
if lastJump != 0:
if self.jump() / lastJump < 0:
lastPivot = self.pivot
self.pivot = index - 1
if lastPivot is not None:
if (self.sequence[lastPivot] -
self.parent) % 12 == 6:
print(note)
print(self.jump())
print('surrounding tritone ' +
str(self.parent))
self.pivot = index - 1
return False
if index == 2 and self.jump() >= 7:
print('.jump down before end')
return False
''''index in whiteScale'''
note = int(note + int(note / 5)) / 2
parent = self.parent
parent = int((parent + int(parent / 5)) / 2)
'''salto en terminos de blancas , intervalos diatonicos'''
j = note - parent
if j > 1:
if j != 2 and j != 3 and j != 4 and j != 5 and j != 7:
print('salto ilegal ' + str(j + 1) + 'a')
return False
j_chrome = self.note - self.parent
if self.parent - self.sequence[index - 2] > 2:
if not self.isChord():
print(
'salto en la misma direccion ,debe ser acorde')
return False
if j == 5:
if abs(j_chrome) == 9:
print('sexta menor no permitida')
elif j < -1:
if j != -2 and j != -3 and j != -4 and j != -5 and j != -7:
return False
if self.parent - self.sequence[index - 2] < -2:
if not self.isChord():
return False
if j == -5:
j_chrome = self.note - self.parent
if j_chrome == 9:
print('note , note + 6M')
if index >= 3:
note = self.note
jump = Diatonic.interval(self.parent, note)
seq = self.sequence
if not self.checkMovement(jump, seq, index):
print(jump)
print('note' + str(self.note))
print(self.sequence)
print(Diatonic.index(note))
print('invalid movement')
return False
if not self.checkSequences(seq, index):
print('sequences found')
return False
if index == 10 and not self.checkStart(counterMode, mode):
print('invalid start')
return True