def findScoreByPitchThreshold(material, thresholdPitch, lowHigh):
'''list, int, str --> [music21.stream.Score]
It takes the list returned by the collectMaterial function, a pitch midi
value, and the string "low" or "high" to look for those scores that contain
pitchs lower or higher than the given threshold.
'''
scores = []
for score in material:
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notes.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
###############################################################
## Change here so that it returns scores with the notes ##
## beyond the threshold colored in red. ##
###############################################################
segmentAmbitus = segment.analyze('ambitus')
ambitusStart = segmentAmbitus.noteStart.midi
ambitusEnd = segmentAmbitus.noteEnd.midi
if lowHigh == 'low':
if ambitusStart < pitch.Pitch(thresholdPitch).midi:
if scoreName not in scores:
scores.append(scoreName)
if lowHigh == 'high':
if ambitusEnd > pitch.Pitch(thresholdPitch).midi:
if scoreName not in scores:
scores.append(scoreName)
print('Done!')
return scores
def getAmbitus(material):
'''list --> music21.interval.Interval
It takes the list returned by the collectMaterial function, and returns an
interval from the lowest note found to the highest note found.
'''
ambitusStart = None
ambitusEnd = None
for score in material:
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notes.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
segmentAmbitus = segment.analyze('ambitus')
if ambitusStart == None and ambitusEnd == None:
ambitusStart = segmentAmbitus.noteStart
ambitusEnd = segmentAmbitus.noteEnd
else:
if segmentAmbitus.noteStart.midi < ambitusStart.midi:
ambitusStart = segmentAmbitus.noteStart
if segmentAmbitus.noteEnd.midi > ambitusEnd.midi:
ambitusEnd = segmentAmbitus.noteEnd
ambitusInterval = interval.Interval(ambitusStart, ambitusEnd)
print('Ambitus:', ambitusInterval.niceName + ', from',
ambitusStart.nameWithOctave, 'to', ambitusEnd.nameWithOctave)
return ambitusInterval
def findScoreByPitch(material, pitchList):
'''
'''
scores = []
for score in material[1:]:
showScore = False
pitchesFound = {}
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notes.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
for n in segment:
noteName = n.nameWithOctave
if noteName in pitchList:
n.color = 'red'
pitchesFound[noteName] = pitchesFound.get(noteName,
0) + 1
showScore = True
if scorePath not in scores:
scores.append(scorePath)
if showScore:
for p in pitchesFound:
print('\t' + str(pitchesFound[p]), 'samples of', p,
'found in this score')
print('\tShowing', scoreName)
loadedScore.show()
return (scores)
def findLine(material, inputScore, patterns, a, b):
'''list, list, list, int, int
Inputs are the material, input score and patterns lists, and the index of
the pattern and occurrence in the patterns list.
'''
line = patterns[a][b]
loc = line[-1][0]
init = line[-1][1]
print('Original line:')
originalLine = inputScore[loc]
for n in originalLine:
print(n)
print('Found pattern:')
for n in line:
print(n)
x = material[-1][loc]
score = material[x[0]][0]
segment = material[x[0]][x[1]][x[2]]
segStart = float(segment[0])
segEnd = float(segment[1])
s = converter.parse(score)
print(score.split('/')[-1], 'parsed')
parts = jS.findVoiceParts(s)
part = parts[x[1] - 1]
notes = part.flat.notesAndRests.stream()
seg2show = notes.getElementsByOffset(segStart, segEnd)
i = 0
while i < init:
n = seg2show[i]
i += 1
if (n.tie != None) and (n.tie.type != 'start'):
init += 1
jump = 0
for j in range(len(line) - 1):
n = seg2show[init + j + jump]
if (n.tie != None) and (n.tie.type != 'start'):
n.color = 'red'
jump += 1
else:
n.color = 'red'
seg2show.show()
def showPatternsFromPickle(lyricsData, materialFile, inputScoreFile,
resultsFile):
'''
'''
with open(lyricsData, 'r', encoding='utf-8') as f:
data = f.readlines()
with open(materialFile, 'rb') as f:
material = pickle.load(f)
with open(inputScoreFile, 'rb') as f:
inputScore = pickle.load(f)
with open(resultsFile, 'rb') as f:
patterns = pickle.load(f)
print(len(patterns), 'patterns to show')
dataDict = {}
currentScore = ''
for l in data:
strInfo = l.strip().split(',')
score = strInfo[0]
if score != '':
currentScore = score
dataDict[currentScore] = [[]]
if 'Part' in l: continue
else:
if 'Part' in l:
dataDict[currentScore].append([])
continue
info = strInfo[1] + ', ' + strInfo[2] + ', ' + strInfo[
3] + ', ' + strInfo[4]
start = strInfo[6]
end = strInfo[7]
dataDict[currentScore][-1].append([start, end, info])
ks = key.KeySignature(4)
for i in range(len(patterns)):
pat = patterns[i]
print('\nDisplaying pattern', i + 1, 'with', len(pat), 'occurrences')
s1 = stream.Score()
s1.insert(0, metadata.Metadata(movementName='Pattern ' + str(i + 1)))
for j in range(len(pat)):
occ = pat[j]
locator = occ[-1]
line = locator[0]
init = locator[1]
# Chek if the occurrence retrieved coincides with a fragment of the
# input score
origLine = inputScore[line]
for k in range(len(occ) - 1):
if occ[k] != origLine[k + init]:
print(origLine)
print(occ)
raise Exception('No match in result ' + str(i) + ', ' +
str(j))
lineCoordinates = material[-1][line]
s = lineCoordinates[0]
p = lineCoordinates[1]
l = lineCoordinates[2]
scorePath = material[s][0]
segStart = material[s][p][l][0]
segEnd = material[s][p][l][1]
s2 = converter.parse(scorePath)
parts = jS.findVoiceParts(s2)
part = parts[p - 1]
notes = part.flat.notesAndRests.stream()
seg2red = notes.getElementsByOffset(segStart, segEnd)
newInit = 0
while newInit < init:
note2check = seg2red[newInit]
newInit += 1
if (note2check.tie != None) and (note2check.tie.type !=
'start'):
init += 1
tieJump = 0 # It stores how many tied notes are present
for n in range(len(occ) - 1):
note2red = seg2red[n + newInit + tieJump]
while (note2red.tie != None) and (note2red.tie.type !=
'start'):
tieJump += 1
note2red = seg2red[n + newInit + tieJump]
if note2red.isRest:
noteName = note2red.name
else:
noteName = note2red.nameWithOctave
if noteName != occ[n][0]:
print('ERROR: An exception will be raised')
findLine(material, inputScore, patterns, i, j)
raise Exception("Notes doesn't match at " + str(i) + ', ' +
str(j) + ', ' + str(k) + ' (' + noteName +
', ' + occ[n][0] + ')')
note2red.color = 'red'
tieHop = n + newInit + tieJump + 1
if note2red.tie != None:
while (seg2red[tieHop].tie != None
and seg2red[tieHop].tie.type != 'start'
and tieHop < len(occ)):
seg2red[tieHop].color = 'red'
tieHop += 1
scoreName = scorePath.split('/')[-1]
score = dataDict[scoreName]
lineHop = 0
dataLine = score[p - 1][lineHop]
while not ((segStart >= float(dataLine[0])) and
(segStart < float(dataLine[1]))):
lineHop += 1
dataLine = score[p - 1][lineHop]
segmentStart = float(dataLine[0])
segmentEnd = float(dataLine[1])
bsju = dataLine[2].split(', ')[2] + ', ' + dataLine[2].split(
', ')[3]
referenceText = scoreName + ': ' + str(lineHop +
1) + ' (' + bsju + ')'
te = expressions.TextExpression(referenceText)
te.positionVertical = 30
seg2add = notes.getElementsByOffset(segmentStart, segmentEnd)
offsetHop = seg2add[0].offset
for nn in seg2add:
nn.offset += -offsetHop
seg2add.insert(0, te)
s1.insert(0, seg2add)
for s1part in s1.parts:
s1part.insert(0, ks)
s1.makeNotation()
s1.show()
def concatenateSegments(material, title=None):
'''list --> music21.stream.Stream, list
It takes the list returned by the collectMaterial function, and returns
music21.stream.Stream with all the segments conatined in the material list
concatenated into a single stave. It also returns the material list with a
new list appended with the information to reconstruct the segments in their
original scores from the new concatenated score. This new list contain a
list of integers indicating:
[start, end, score, part, segment]
So that,
- start: indicates the starting offset of a segment in the concatenated
score
- end: indicates the ending offset of a segment in the concatenated score
- score: indicates the index in the material list of the score from where
the original segment came from
- part: indicates the index of the part in the previous score
- segment: indicates the index of the segment as stored for the previous
part in the material list
If a title is given, it generates an xml file with the concatenated score
and a pickle file with the material list
'''
# Gather search info to name the concatenated score
searchString = ''
searchInfo = material[0]
# Add hangdang info
hd = searchInfo['hd']
if len(hd) != 2:
for e in hd:
searchString += e + '/'
searchString = searchString[:-1] + ', '
# Add shengqiang info
sq = searchInfo['sq']
if len(sq) != 2:
for e in sq:
searchString += e + '/'
searchString = searchString[:-1] + ', '
# Add banshi info
bs = searchInfo['bs']
if len(bs) != 8:
for e in bs:
searchString += e + '/'
searchString = searchString[:-1] + ', '
# Add ju info
ju = searchInfo['ju']
if len(ju) != 4:
for e in ju:
searchString += e + '/'
searchString = searchString[:-1]
concatenatedScore = stream.Stream()
concatenatedSegments = []
accumulatedOffset = 0
for scoreIndex in range(1, len(material)):
score = material[scoreIndex]
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for segmentIndex in range(len(score[partIndex])):
startEnd = score[partIndex][segmentIndex]
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
# Reassigning offsets
newSegment = [accumulatedOffset]
startingOffset = segment[0].offset
endingOffset = segment[-1].offset
for n in segment:
n.offset += -startingOffset + accumulatedOffset
concatenatedScore.append(n)
accumulatedOffset += (endingOffset - startingOffset)
newSegment.append(accumulatedOffset)
newSegment.extend([scoreIndex, partIndex, segmentIndex])
accumulatedOffset += segment[-1].quarterLength
concatenatedSegments.append(newSegment)
extendedMaterial = copy.deepcopy(material)
extendedMaterial.append(concatenatedSegments)
# Check that the newSegments are equally long to the original segments:
for newSegment in extendedMaterial[-1]:
newSegmentStart = newSegment[0]
newSegmentEnd = newSegment[1]
length1 = newSegmentEnd - newSegmentStart
score = newSegment[2]
part = newSegment[3]
segment = newSegment[4]
originalSegment = extendedMaterial[score][part][segment]
originalSegmentStart = originalSegment[0]
originalSegmentEnd = originalSegment[1]
length2 = originalSegmentEnd - originalSegmentStart
if length1 != length2:
print('Possible error with ' + extendedMaterial[score][0] +
', part ' + str(part) + ', segment ' +
str(extendedMaterial[score][part][segment]) +
', and the new segment ' + str(newSegment[:2]))
if title != None:
print('Segments concatenated\nCreating files')
concatenatedScore.insert(0, metadata.Metadata())
concatenatedScore.title = title
concatenatedScore.write(fp=title + '.xml')
with open(title + '.pkl', 'wb') as f:
pickle.dump(extendedMaterial, f, protocol=2)
print('Done!')
return concatenatedScore, extendedMaterial
def recodeScore(material, title=None, graceNoteValue=2.0, noteName='pitch'):
'''
'''
# Check that the given noteName is valid:
if noteName not in ['pitch', 'midi']:
raise Exception('The given noteName is invalid')
print('The duration unit is a 64th note')
print('The duration value for grace notes is ' + str(graceNoteValue) +
' duration units')
# List the recoded score
recodedScore = []
# Store information for line retrieval
lineInfo = []
for scoreIndex in range(1, len(material)):
score = material[scoreIndex]
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for segmentIndex in range(len(score[partIndex])):
startEnd = score[partIndex][segmentIndex]
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
# For validation
segmentDuration = 0
for n in segment:
segmentDuration += n.quarterLength * 16
if segment[-1].isRest:
segmentDuration += -segment[-1].quarterLength * 16
r = -2
while segment[r].quarterLength == 0:
segmentDuration += graceNoteValue
r += -1
if segment[-1].quarterLength == 0:
segmentDuration += graceNoteValue
# START RECODING
line = []
lineInfo.append([scoreIndex, partIndex, segmentIndex])
graceNote = 0 # It stores the accumulated dur of grace notes
# to be substracted
notePreGrace = None # It stores the index of the note before
# grace notes found
includeLyric = True # Check if there are several syllables into
# brackets that shouldn't be included
lyricAdjustment = 0 # Stores how many grace notes back the
# lyric should be added
for i in range(len(segment)):
n = segment[i]
# Check if n is note or rest
if n.isRest:
name = n.name
dur = n.quarterLength * 16
lyr = False
else: # If it is a note
# Check if it is a grace note
if n.quarterLength == 0: # It is a grace note, then
# Set name
if noteName == 'pitch':
name = n.nameWithOctave
elif noteName == 'midi':
name = n.pitch.midi
# Set duration with the value given
dur = graceNoteValue
# Accumulate grace note value to be subtracted
graceNote += graceNoteValue
# Store the index of the previous note, if there is
# one and is not a grace note
if (notePreGrace == None) and (len(line) > 0):
notePreGrace = len(line) - 1
# Set lyric
lyr = False
# Update lyricAdjustment
lyricAdjustment += -1
else:
# If it's not a grace note, then
# Set name
if noteName == 'pitch':
name = n.nameWithOctave
elif noteName == 'midi':
name = n.pitch.midi
# Set duration
currentNoteDur = n.quarterLength * 16
# Check if there is some grace note value to be
# subtracted
if graceNote > 0:
# There is grace note(s) duration to be subtracted
if n.hasLyrics():
# Subtract grace note value from the current
# note.
# But check first if its duration is bigger
# than the one of the grace note(s)
if currentNoteDur > graceNote:
dur = currentNoteDur - graceNote
else:
# Try to substract it from previous note
if notePreGrace != None:
# There is a previous note...
lastNote = line[notePreGrace]
lastNoteDur = lastNote[1]
if lastNoteDur > graceNote:
# ... and its duration is bigger
# than the grace note(s) duration
lastNote[1] += -graceNote
dur = currentNoteDur
else:
# But if not, adjust
adjustment = 0
for j in range(
notePreGrace + 1, i):
note2adjust = line[j]
note2adjust[1] += -1
adjustment += 1
dur = (currentNoteDur -
graceNote + adjustment)
else:
# There is no previous note, so adjust
adjustment = 0
for j in range(i):
note2adjust = line[j]
note2adjust[1] += -1
adjustment += 1
dur = (currentNoteDur - graceNote +
adjustment)
else:
# Current note has no lyrics, the grace note(s)
# duration is subtracted from the previous note
# But check first if its duration is bigger
# than the one of the grace note(s)
lastNote = line[notePreGrace]
lastNoteDur = lastNote[1]
if lastNoteDur > graceNote:
# It is bigger, duration of grace note(s)
# subtracted from previous note
lastNote[1] += -graceNote
dur = currentNoteDur
else:
# It is not bigger
# Check if the current note duration is
# bigger than the grace note(s) duration
if currentNoteDur > graceNote:
# It is bigger, so subtract
dur = currentNoteDur - graceNote
else:
# It is not bigger, so adjust
adjustment = 0
for j in range(notePreGrace, i):
note2adjust = line[j]
note2adjust[1] += -1
adjustment += 1
lastNote[1] += (-graceNote +
adjustment)
dur = currentNoteDur
# Set lyricAdjustment to 0
lyricAdjustment = 0
else:
# There is no grace note(s) duration to subtract
dur = currentNoteDur
#Check if it has a tie
if n.tie != None:
if n.tie.type != 'start':
# Check if there is a grace note
if graceNote > 0:
# There is a grace note, so current note
# counts as not tied
dur = currentNoteDur
else:
# There is no grace note, so add the dur
# to the previous tied note
line[-1][1] += currentNoteDur
continue
# Set lyric
if n.hasLyrics():
# Check if the lyric is a padding syllable
if ('（' in n.lyric) and ('）' in n.lyric):
lyr = False
elif ('（' in n.lyric) and ('）' not in n.lyric):
lyr = False
includeLyric = False
elif ('（' not in n.lyric) and ('）' in n.lyric):
lyr = False
includeLyric = True
else:
if includeLyric:
# It is not a padding syllable
if lyricAdjustment == 0:
# It has no grace notes:
lyr = True
else:
# It has grace note(s):
line[lyricAdjustment][2] = True
lyr = False
else:
lyr = False
else:
lyr = False
# Set all counters to start mode
notePreGrace = None
graceNote = 0
lyricAdjustment = 0
if dur <= 0:
pos = str(n.offset)
message = ('\tDuration ' + str(dur) + ' in ' +
scoreName + ', ' + pos)
print(message)
line.append([name, dur, lyr])
# Check if last note is a rest
if line[-1][0] == 'rest':
line.pop(-1)
# For validation:
lineDuration = 0
for n in line:
lineDuration += n[1]
if segmentDuration != lineDuration:
print("\tDurations don't match at line", len(recodedScore))
print("\tSegment length: " + str(segmentDuration) +
", line length: " + str(lineDuration))
recodedScore.append(line)
# Extend material list
if len(lineInfo) != len(recodedScore):
print('Possible problem with the information for line retrieval')
extendedMaterial = copy.deepcopy(material)
extendedMaterial.append(lineInfo)
# Dump the list into a pickle file
if title != None:
with open(title, 'wb') as f:
pickle.dump(recodedScore, f, protocol=2)
with open(title[:-4] + '_material.pkl', 'wb') as f:
pickle.dump(extendedMaterial, f, protocol=2)
return recodedScore, extendedMaterial
def findCadentialNotes(judouMaterial, includeGraceNotes=True):
'''
'''
cadNotCount = [{}, {}, {}]
for score in judouMaterial[1:]:
scorePath = score[0]
loadedScore = converter.parse(scorePath)
scoreName = scorePath.split('/')[-1]
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for segInd in range(len(score[partIndex])):
startEnd = score[partIndex][segInd]
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
i = -1
lastNote = segment[i]
while lastNote.isRest:
i += -1
lastNote = segment[i]
if includeGraceNotes:
cadenceNote = lastNote.nameWithOctave
else:
while lastNote.quarterLength == 0:
print('Grace note omitted in ' + scoreName + ', ' +
str(partIndex))
i += -1
lastNote = segment[i]
cadenceNote = lastNote.nameWithOctave
secInd = segInd % 3
sec = cadNotCount[secInd]
sec[cadenceNote] = sec.get(cadenceNote, 0) + 1
noteNames = {}
for secCount in cadNotCount:
for noteName in secCount.keys():
noteNames[pitch.Pitch(noteName).midi] = noteName
sortedNoteNames = [noteNames[j] for j in sorted(noteNames.keys())]
for secCount in cadNotCount:
counts = np.array([k for k in secCount.values()])
toPerCent = 100 / sum(counts)
for noteName in secCount:
secCount[noteName] = secCount[noteName] * toPerCent
sortedValues = []
for noteName in sortedNoteNames:
row = []
for secCount in cadNotCount:
row.append(secCount.get(noteName, 0))
sortedValues.append(np.array(row))
# for i in range(len(cadNotCount)):
# toDiscard, noteNames, noteCount = sortDict(cadNotCount[i])
# noteCount = np.array(noteCount)
# toPerCent = 100 / np.sum(noteCount)
# notePerCent = noteCount * toPerCent
return sortedNoteNames, sortedValues
def melodicDensity(material, includeGraceNotes=True, notesOrDuration='notes'):
'''list --> box plot
It takes the list returned by the collectMaterial function, and returns
'''
if notesOrDuration not in ['notes', 'duration']:
raise Exception('The given value for notesOrDuration is not correct')
syllables = []
totalCount = []
accumulatedCount = []
for score in material[1:]:
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
localCount = []
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
openParenthesis = False
graceNote = False
for i in range(len(segment)):
n = segment[i]
if notesOrDuration == 'notes':
value = 1
else:
value = n.quarterLength
if n.isRest: continue
if n.quarterLength == 0:
if not includeGraceNotes: continue
j = 1
while (i + j < len(segment)
and segment[i + j].quarterLength == 0):
j += 1
if i + j == len(segment): continue
n2 = segment[i + j]
if n2.hasLyrics():
if (('（' in n2.lyric) or ('）' in n2.lyric)
or openParenthesis):
localCount[-1] += value
accumulatedCount[-1] += value
else:
if graceNote:
localCount[-1] += value
accumulatedCount[-1] += value
else:
localCount.append(value)
accumulatedCount.append(value)
syllables.append(n2.lyric)
graceNote = True
else:
localCount[-1] += value
accumulatedCount[-1] += value
else:
if n.hasLyrics():
# Check if the lyric is a padding syllable
if ('（' in n.lyric) and ('）' in n.lyric):
localCount[-1] += value
accumulatedCount[-1] += value
elif ('（' in n.lyric) and ('）' not in n.lyric):
localCount[-1] += value
accumulatedCount[-1] += value
openParenthesis = True
elif ('（' not in n.lyric) and ('）' in n.lyric):
localCount[-1] += value
accumulatedCount[-1] += value
openParenthesis = False
else:
if openParenthesis:
localCount[-1] += value
accumulatedCount[-1] += value
elif graceNote:
localCount[-1] += value
accumulatedCount[-1] += value
graceNote = False
else:
localCount.append(value)
accumulatedCount.append(value)
syllables.append(n.lyric)
else:
localCount[-1] += value
accumulatedCount[-1] += value
totalCount.append(localCount)
# for i in range(len(syllables)):
# print(syllables[i], notesPerSyl[i])
totalCount.append(accumulatedCount)
# notesPerSyl = np.array(notesPerSyl)
xLabels = [str(i) for i in range(1, len(totalCount))]
xLabels.append('Avg')
plt.boxplot(totalCount)
plt.xticks(range(1, len(totalCount) + 1), xLabels, fontsize=20)
plt.yticks(fontsize=18)
plt.axvline(x=len(totalCount) - 0.5, ls='--', color='red')
plt.ylim(0, 27)
plt.xlabel('Sample scores', fontsize=26)
plt.ylabel('Duration per quarter note', fontsize=26)
plt.tight_layout()
plt.show()
return totalCount
def intervalHistogram(material,
count='sum',
directedInterval=False,
silence2ignore=0.25,
ignoreGraceNotes=False,
makePlot=True):
'''list --> , bar plot
It takes the list returned by the collectMaterial function, and returns
For the bar diagram to be plotted, the values can be normalised according
to count:
- if count=='sum', they are normalised to their summation,
- if count=='max', they are normalised to their maximun value
- if count=='abs', they are not normalised, but absolute values given
'''
intervalCount = {}
for score in material[1:]:
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
# Count intervals in the current segment
# Find the last note that is not a grace note
i = 1
lastn = segment[-i]
while lastn.quarterLength == 0:
i += 1
lastn = segment[-i]
for j in range(len(segment) - i):
n1 = segment[j]
if n1.isRest: continue
if ignoreGraceNotes:
if n1.quarterLength == 0: continue
k = 1
while True:
n2 = segment[j + k]
if n2.isRest:
if n2.quarterLength <= silence2ignore:
k += 1
else:
n2 = None
break
elif (n2.quarterLength == 0) and (ignoreGraceNotes
== True):
j += 1
else:
break
if n2 == None: continue
intvl = interval.Interval(n1, n2)
if directedInterval:
intvlName = intvl.directedName
else:
intvlName = intvl.name
intervalCount[intvlName] = (
intervalCount.get(intvlName, 0) + 1)
# Sorting intervals per size
intvlNames = intervalCount.keys()
toSort = {i: interval.Interval(i).semitones for i in intvlNames}
sortedIntvl = sorted(toSort.items(), key=lambda x: x[1])
xPositions = np.array([i[1] for i in sortedIntvl])
# Check if there repeated positions
for i in range(1, len(xPositions)):
if xPositions[i] != xPositions[i - 1]: continue
for j in range(i):
xPositions[j] += -1
xLabels = [i[0] for i in sortedIntvl]
yValues = np.array([intervalCount[l] for l in xLabels])
## Setting the parameters for plotting
yValues, limX, yLabel, col, h = plottingParameters(material, count,
yValues)
if makePlot:
# Start plotting
print('Plotting...')
# Setting x limits
limX = None
# Setting y limits
limY = None
if count == 'sum':
if directedInterval:
limY = [0, 0.27]
else:
limY = [0, 0.5]
plotting(xPositions,
xLabels,
yValues,
limX=limX,
xLabel='Interval',
limY=limY,
yLabel=yLabel,
col=col,
h=h,
scaleGuides=True,
width=0.8)
# List to return
results = []
for i in range(len(xLabels)):
results.append([xLabels[i], yValues[i]])
return results
def pitchHistogram(material, count='sum', countGraceNotes=True, makePlot=True):
'''list --> dict, bar plot
It takes the list returned by the collectMaterial function, and returns a
dictionary with all the existing pitches' nameWithOctave as keys and its
aggregated duration in quarterLengths as values.
For the bar diagram to be plotted, the values can be normalised according
to count:
- if count=='sum', they are normalised to their summation,
- if count=='max', they are normalised to their maximun value
- if count=='abs', they are not normalised, but absolute values given
If countGraceNotes==True, the grace notes will be counted with a duration
value equivalent to the minimum one present in the analysed segments, but
with a maximum value of 0.25. If countGraceNotes==False, grace notes will
be ignored and not counted.
'''
pitchCount = {}
for score in material[1:]:
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notes.stream()
# Set the duration of grace notes if needed
if countGraceNotes:
minDur = 0.25
for n in notes:
noteDur = n.quarterLength
if noteDur != 0 and noteDur < minDur:
minDur = noteDur
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
# Count pitches in the current segment
for n in segment:
noteName = n.nameWithOctave
noteDur = n.quarterLength
if noteDur == 0:
if not countGraceNotes: continue
noteDur = minDur
pitchCount[noteName] = pitchCount.get(noteName,
0) + noteDur
# Sorting duration per pitch class frequency
pitches = pitchCount.keys()
toSort = {p: pitch.Pitch(p).midi for p in pitches}
sortedPitches = sorted(toSort.items(), key=lambda x: x[1])
xPositions = np.array([p[1] for p in sortedPitches])
xLabels = [p[0] for p in sortedPitches]
yValues = np.array([pitchCount[l] for l in xLabels])
# Setting the parameters for plotting
yValues, limX, yLabel, col, h = plottingParameters(material, count,
yValues)
if makePlot:
# Start plotting
print('Plotting...')
# Setting y limits
limY = None
if count == 'sum':
limY = [0, 0.31]
plotting(xPositions,
xLabels,
yValues,
limX=limX,
xLabel='Pitch',
limY=limY,
yLabel=yLabel,
col=col,
h=h,
scaleGuides=True,
width=0.8)
# List to return
results = []
for i in range(len(xLabels)):
results.append([xLabels[i], yValues[i]])
return results
def findScoreByInterval(material,
intvlList,
directedInterval=False,
silence2ignore=0.25,
ignoreGraceNotes=False):
'''
'''
for score in material[1:]:
showScore = False
intvlsFound = {}
# Loading the score to get the parts list
scorePath = score[0]
scoreName = scorePath.split('/')[-1]
loadedScore = converter.parse(scorePath)
print(scoreName, 'parsed')
parts = jS.findVoiceParts(loadedScore)
# Work with each part
for partIndex in range(1, len(score)):
if len(score[partIndex]) == 0: continue # Skip part if it's empty
# Get the notes from the current part
part = parts[partIndex - 1]
notes = part.flat.notesAndRests.stream()
# Find segments to analyze in the current part
for startEnd in score[partIndex]:
start = startEnd[0]
end = startEnd[1]
segment = notes.getElementsByOffset(start, end)
# Count intervals in the current segment
# Find the last note that is not a grace note
i = 1
lastn = segment[-i]
while lastn.quarterLength == 0:
i += 1
lastn = segment[-i]
for j in range(len(segment) - i):
n1 = segment[j]
if n1.isRest: continue
if ignoreGraceNotes:
if n1.quarterLength == 0: continue
k = 1
while True:
n2 = segment[j + k]
if n2.isRest:
if n2.quarterLength <= silence2ignore:
k += 1
else:
n2 = None
break
elif (n2.quarterLength == 0) and (ignoreGraceNotes
== True):
j += 1
else:
break
if n2 == None: continue
currentIntvl = interval.Interval(n1, n2)
if directedInterval:
intvlName = currentIntvl.directedName
else:
intvlName = currentIntvl.name
if intvlName in intvlList:
n1.color = 'red'
n2.color = 'red'
intvlsFound[intvlName] = intvlsFound.get(intvlName,
0) + 1
showScore = True
if showScore:
for k in intvlsFound:
print('\t' + str(intvlsFound[k]), 'samples of', k,
'found in this score')
print('\tShowing', scoreName)
loadedScore.show()
###############################################################################
###############################################################################
## TO IMPROVE ##
## 1. Keep the banshi information in material, so that the graceNoteDur can ##
## be adjusted accordingly. ##
## 2. Check if the arguments given to collectMaterial make no match at all ##
## and raise a message ##
###############################################################################
###############################################################################
