def searchForNotes(notesStr):
'''the notesStr is a string of notes in the following form:
"C4 D4 E4 B3 C4"
that's it: name, octave. With no accidentals. If octave is 0 then
it means do not bother checking for octaves.
Currently octave is ignored anyhow.
'''
notesArr = notesStr.split()
noteObjArr = []
for tN in notesArr:
tNName = tN[0]
if tNName.lower() != "r":
tNObj = note.Note()
tNObj.name = tN[0]
tNObj.octave = int(tN[1])
else:
tNObj = note.Rest()
noteObjArr.append(tNObj)
ballataObj = cadencebook.BallataSheet()
searcher1 = NoteSearcher(noteObjArr)
streamOpus = stream.Opus()
for thisWork in ballataObj:
for thisCadence in thisWork.snippets:
if thisCadence is None:
continue
for i in range(len(thisCadence.parts)):
colorFound(searcher1, thisCadence, streamOpus, thisWork, i)
if any(streamOpus):
streamOpus.show('lily.png')
def abcToStreamOpus(abcHandler, inputM21=None, number=None):
'''Convert a multi-work stream into one or more complete works packed into a an Opus Stream.
If a `number` argument is given, and a work is defined by
that number, that work is returned.
'''
if inputM21 is None:
opus = stream.Opus()
else:
opus = inputM21
#environLocal.printDebug(['abcToStreamOpus: got number', number])
# returns a dictionary of numerical key
if abcHandler.definesReferenceNumbers():
abcDict = abcHandler.splitByReferenceNumber()
if number is not None and number in abcDict:
# get number from dictionary; set to new score
opus = abcToStreamScore(abcDict[number]) # return a score, not an opus
else: # build entire opus into an opus stream
scoreList = []
for key in sorted(abcDict.keys()):
# do not need to set work number, as that will be gathered
# with meta data in abcToStreamScore
try:
scoreList.append(abcToStreamScore(abcDict[key]))
except IndexError:
environLocal.warn("Failure for piece number %d" % key)
for scoreDocument in scoreList:
opus.coreAppend(scoreDocument, setActiveSite=False)
opus.coreElementsChanged()
else: # just return single entry in opus object
opus.append(abcToStreamScore(abcHandler))
return opus
def searchForIntervals(notesStr):
'''
notesStr is the same as above. Now however we check to see
if the generic intervals are the same, rather than the note names.
Useful if the clef is missing.
'''
notesArr = notesStr.split()
noteObjArr = []
for tN in notesArr:
tNObj = note.Note()
tNObj.name = tN[0]
tNObj.octave = int(tN[1])
noteObjArr.append(tNObj)
interObjArr = []
for i in range(len(noteObjArr) - 1):
int1 = interval.notesToInterval(noteObjArr[i], noteObjArr[i + 1])
interObjArr.append(int1)
#print interObjArr
searcher1 = IntervalSearcher(interObjArr)
ballataObj = cadencebook.BallataSheet()
streamOpus = stream.Opus()
for thisWork in ballataObj:
print(thisWork.title)
for thisCadence in thisWork.snippets:
if thisCadence is None:
continue
for i in range(len(thisCadence.parts)):
colorFound(searcher1, thisCadence, streamOpus, thisWork, i)
if any(streamOpus):
streamOpus.show('lily.png')
def romanTextToStreamOpus(rtHandler, inputM21=None):
'''The main processing routine for RomanText objects that may or may not
be multi movement.
Takes in a romanText.rtObjects.RTFile() object, or a string as rtHandler.
Runs `romanTextToStreamScore()` as its main work.
If inputM21 is None then it will create a Score or Opus object.
Return either a Score object, or, if a multi-movement work is defined, an
Opus object.
'''
from music21 import stream
if common.isStr(rtHandler):
rtf = rtObjects.RTFile()
rtHandler = rtf.readstr(rtHandler) # return handler, processes tokens
if rtHandler.definesMovements(): # create an opus
if inputM21 == None:
s = stream.Opus()
else:
s = inputM21
# copy the common header to each of the sub-handlers
handlerBundles = rtHandler.splitByMovement(duplicateHeader=True)
# see if we have header information
for h in handlerBundles:
#print h, len(h)
# append to opus
s.append(romanTextToStreamScore(h))
return s # an opus
else: # create a Score
return romanTextToStreamScore(rtHandler, inputM21=inputM21)
def asOpus(self):
'''
returns all snippets as a :class:`~music21.stream.Opus` object
>>> deduto = alpha.trecento.cadencebook.BallataSheet().workByTitle('deduto')
>>> deduto.title
'Deduto sey a quel'
>>> dedutoScore = deduto.asOpus()
>>> dedutoScore
<music21.stream.Opus ...>
>>> #_DOCS_SHOW dedutoScore.show('lily.png')
'''
o = stream.Opus()
md = metadata.Metadata()
o.insert(0, md)
o.metadata.composer = self.composer
o.metadata.title = self.title
bs = self.snippets
for thisSnippet in bs:
if thisSnippet is None:
continue
if (thisSnippet.tenor is None and thisSnippet.cantus is None
and thisSnippet.contratenor is None):
continue
s = stream.Score()
for dummy in range(self.totalVoices):
s.insert(0, stream.Part())
for partNumber, snippetPart in enumerate(
thisSnippet.getElementsByClass('TrecentoCadenceStream')):
if thisSnippet.snippetName != "" and partNumber == self.totalVoices - 1:
textEx = expressions.TextExpression(
thisSnippet.snippetName)
textEx.style.absoluteY = 'below'
if 'FrontPaddedSnippet' in thisSnippet.classes:
if snippetPart.hasMeasures():
snippetPart.getElementsByClass(
'Measure')[-1].insert(0, textEx)
else:
snippetPart.append(textEx)
else:
if snippetPart.hasMeasures():
snippetPart.getElementsByClass(
'Measure')[0].insert(0, textEx)
else:
snippetPart.insert(0, textEx)
# if currentTs is None or timeSig != currentTs:
# s.append(timeSig)
# currentTs = timeSig
try:
currentScorePart = s.parts[partNumber]
except IndexError:
continue # error in coding
for thisElement in snippetPart:
if 'TimeSignature' in thisElement.classes:
continue
currentScorePart.append(thisElement)
o.insert(0, s)
return o
def makePDFfromPieces(start=1, finish=2):
'''
make a PDF from the pieces, in order of their PMFC volumes
>>> #_DOCS_SHOW makePDFfromPieces(200, 209)
'''
from music21 import stream
ballataObj = music21.trecento.cadencebook.BallataSheet()
retrievedPieces = []
for i in range(start, finish): ## some random pieces
# try:
randomPiece = ballataObj.makeWork(i) #
if randomPiece.incipit is not None:
retrievedPieces.append(randomPiece)
# except:
# pass #raise Exception("Ugg " + str(i))
opus = stream.Opus()
retrievedPieces.sort(key=sortByPMFC)
for randomPiece in retrievedPieces:
#print(randomPiece.title.encode('utf-8'))
randomOpus = randomPiece.asOpus()
for s in randomOpus.scores:
opus.insert(0, s)
opus.show('lily.pdf')
def catalog():
opus_catalog = stream.Opus()
for work in corpus.chorales.Iterator(1, 26):
first_time_signature = work.parts[0].measure(1).getTimeSignatures()[0]
if first_time_signature.ratioString == '3/4':
incipit = work.measures(0, 2)
opus_catalog.insert(0, incipit.implode())
opus_catalog.show()
def find(startRow=2, endRow=469, searchInterval=7):
opus = stream.Opus()
ballatas = cadencebook.BallataSheet()
for row in range(startRow, endRow):
ballata = ballatas.makeWork(row)
if findInWork(ballata, searchInterval):
print(ballata.title +
' has a generic interval of %d somewhere' % searchInterval)
opus.insert(0, ballata.asScore())
if any(opus):
opus.show('lily.pdf')
def find():
ballatas = cadencebook.BallataSheet()
opus = stream.Opus()
i = 0
for ballata in ballatas:
if i > 10:
break
if (ballata.timeSigBegin == "6/8" or ballata.timeSigBegin == "9/8"):
incipit = ballata.incipit
if incipit != None:
i += 1
opus.insert(0, incipit)
opus.show('lily.pdf')
def searchForIntervals(notesStr):
'''
notesStr is the same as above. Now however we check to see
if the generic intervals are the same, rather than the note names.
Useful if the clef is missing.
'''
notesArr = notesStr.split()
noteObjArr = []
for tN in notesArr:
tNObj = note.Note()
tNObj.name = tN[0]
tNObj.octave = int(tN[1])
noteObjArr.append(tNObj)
interObjArr = []
for i in range(len(noteObjArr) - 1):
int1 = interval.notesToInterval(noteObjArr[i], noteObjArr[i + 1])
interObjArr.append(int1)
#print interObjArr
searcher1 = IntervalSearcher(interObjArr)
ballataObj = cadencebook.BallataSheet()
streamOpus = stream.Opus()
for thisWork in ballataObj:
print(thisWork.title)
for thisCadence in thisWork.snippets:
if thisCadence is None:
continue
for i in range(len(thisCadence.parts)):
if searcher1.compareToStream(
thisCadence.parts[i].flat) is True:
notesStr = ""
for thisNote in thisCadence.parts[i].flat.notesAndRests:
#thisNote.editorial.color = "blue"
if thisNote.isRest is False:
notesStr += thisNote.nameWithOctave + " "
else:
notesStr += "r "
streamOpus.insert(0, thisCadence)
# streamLily += "\\score {" + \
# "<< \\time " + str(thisCadence.timeSig) + \
# "\n \\new Staff {" + str(thisCadence.parts[i].lily) + "} >>" + \
# thisCadence.header() + "\n}\n"
print(u"In piece %r found in stream %d: %s" %
(thisWork.title, i, notesStr))
if len(streamOpus) > 0:
streamOpus.show('lily.png')
def searchForNotes(notesStr):
'''the notesStr is a string of notes in the following form:
"C4 D4 E4 B3 C4"
that's it: name, octave. With no accidentals. If octave is 0 then
it means do not bother checking for octaves.
Currently octave is ignored anyhow.
'''
notesArr = notesStr.split()
noteObjArr = []
for tN in notesArr:
tNName = tN[0]
if tNName.lower() != "r":
tNObj = note.Note()
tNObj.name = tN[0]
tNObj.octave = int(tN[1])
else:
tNObj = note.Rest()
noteObjArr.append(tNObj)
ballataObj = cadencebook.BallataSheet()
searcher1 = NoteSearcher(noteObjArr)
streamOpus = stream.Opus()
for thisWork in ballataObj:
for thisCadence in thisWork.snippets:
if thisCadence is None:
continue
for i in range(len(thisCadence.parts)):
if searcher1.compareToStream(
thisCadence.parts[i].flat) is True:
notesStr = ""
for thisNote in thisCadence.parts[i].flat.notesAndRests:
#thisNote.editorial.color = "blue"
if thisNote.isRest is False:
notesStr += thisNote.nameWithOctave + " "
else:
notesStr += "r "
streamOpus.insert(0, thisCadence)
# streamLily += "\\score {" + \
# "<< \\time " + str(thisCadence.timeSig) + \
# "\n \\new Staff {" + str(thisCadence.parts[i].lily) + "} >>" + \
# thisCadence.header() + "\n}\n"
print(u"In piece %r found in stream %d: %s" %
(thisWork.title, i, notesStr))
if len(streamOpus) > 0:
streamOpus.show('lily.png')
def testShowFourA(self):
ballataObj = cadencebook.BallataSheet()
showStream = stream.Opus()
for i in range(2, 45): #459): # all ballate
pieceObj = ballataObj.makeWork(i) ## N.B. -- we now use Excel column numbers
theseSnippets = pieceObj.snippets
for thisSnippet in theseSnippets:
if thisSnippet is None:
continue
appendSnippet = False
theseStreams = thisSnippet.parts
for thisStream in theseStreams:
if capuaRuleFourA(thisStream) > 0:
appendSnippet = True
if appendSnippet is True:
showStream.insert(0, thisSnippet)
showStream.show('lily.pdf')
def findCorrections(correctionType="Maj3", startPiece=2, endPiece=459):
'''
Find all cases where a Major 3rd moves inward to unison (within the next two or three notes, excluding rests)
and see how often the PMFC editors correct it to minor 3rd and how often Capua gets it.
or if correctionType == "min6" find all instances of a minor 6th moving outward to octave and see how often the PMFC
editors correct it to a Major 6th and how often Capua gets it.
#
# >>> (totalDict, foundPieceOpus) = findCorrections(correctionType="Maj3", 2, 50)
# >>> print(totalDict)
# {'potentialChange': 82, 'capuaAlt': 30, 'pmfcAndCapua': 3, 'capuaNotPmfc': 27, 'pmfcAlt': 4, 'pmfcNotCapua': 1, 'totalNotes': 82}
# >>> foundPieceOpus.show('lily.pdf')
# >>> (totalDict, foundPieceOpus) = findCorrections(correctionType="min6")
# >>> print(totalDict)
# {'potentialChange': 82, 'capuaAlt': 30, 'pmfcAndCapua': 3, 'capuaNotPmfc': 27, 'pmfcAlt': 4, 'pmfcNotCapua': 1, 'totalNotes': 82}
# >>> foundPieceOpus.show('lily.pdf')
# >>> #_DOCS_SHOW (totalDict, foundPieceOpus) = trecento.capua.correctedMin6()
# >>> totalDict = {'potentialChange': 82, 'capuaAlt': 30, 'pmfcAndCapua': 3, 'capuaNotPmfc': 27, 'pmfcAlt': 4, 'pmfcNotCapua': 1, 'totalNotes': 82} #_DOCS_HIDE
# >>> print(totalDict)
# {'alterAll': 82, 'capuaAlt': 30, 'pmfcAndCapua': 3, 'capuaNotPmfc': 27, 'pmfcAlt': 4, 'pmfcNotCapua': 1, 'totalNotes': 82}
# >>> #_DOCS_SHOW foundPieceOpus.show('lily.pdf')
'''
ballataObj = cadencebook.BallataSheet()
totalDict = {
'totalNotes': 0,
'pmfcAlt': 0,
'capuaAlt': 0,
'pmfcNotCapua': 0,
'capuaNotPmfc': 0,
'pmfcAndCapua': 0,
'potentialChange': 0
}
if correctionType == 'Maj3':
notesToCheck = 1
simpleNameToCheck = 'm3'
elif correctionType == "min6":
notesToCheck = 2 # allows Landini cadences, but not much more
simpleNameToCheck = 'M6'
else:
raise CapuaException(
"Invalid correctionType to check; I can check 'Maj3' or 'min6'")
foundPieceOpus = stream.Opus()
for i in range(startPiece, endPiece): # all ballate
# for i in range(2, 29): # small number of ballate
# for i in range(232, 373): # all of Landini ballate
pieceObj = ballataObj.makeWork(
i) ## N.B. -- we now use Excel column numbers
if pieceObj.incipit is None:
continue
environLocal.warn("Working on piece number %d, %s " %
(i, pieceObj.title))
for thisSnippet in pieceObj.snippets:
thisSnippetAppended = False
if thisSnippet is None:
continue
if "Incipit" in thisSnippet.classes:
continue
thisSnippetParts = thisSnippet.parts
if len(thisSnippetParts) < 2:
continue
srcStream1 = thisSnippetParts['C'].flat.notesAndRests
srcStream2 = thisSnippetParts[
'T'].flat.notesAndRests ## ignore 3rd voice for now...
srcStream1.attachIntervalsBetweenStreams(srcStream2)
srcStream2.attachIntervalsBetweenStreams(srcStream1)
if thisSnippetAppended is False:
foundPieceOpus.insert(0, thisSnippet)
thisSnippetAppended = True
applyCapuaToStream(srcStream1)
applyCapuaToStream(srcStream2)
for ss in [srcStream1, srcStream2]:
srcStreamNotes = ss.notes # get rid of rests
srcStreamLen = len(srcStreamNotes)
for (i, note1) in enumerate(srcStreamNotes):
if note1.editorial.harmonicInterval is None or \
note1.editorial.harmonicInterval.simpleName != simpleNameToCheck:
continue
if i >= srcStreamLen - notesToCheck:
if i == srcStreamLen - 1:
continue
else:
nextFewNotes = srcStreamNotes[i + 1:]
else:
nextFewNotes = srcStreamNotes[i + 1:i + 1 +
notesToCheck]
#nextFewNotes = srcStream1.notesFollowingNote(note1, notesToCheck, allowRests = False)
foundP8 = False
for thisNote in nextFewNotes:
if thisNote is None:
raise CapuaException(
"This was only supposed to return non-None, what is up???"
)
if thisNote.editorial.harmonicInterval is None:
continue ## probably a rest; should not happen
if correctionType == 'Maj3':
if thisNote.editorial.harmonicInterval.simpleName == "P1":
foundP8 = True
elif correctionType == 'min6':
if thisNote.editorial.harmonicInterval.semiSimpleName == "P8":
foundP8 = True
if foundP8 is False:
continue
newResults = compareNoteCapuaToEditor(note1)
newResults['potentialChange'] = 1
for thisKey in newResults:
if thisKey == 'alterAll':
continue
if thisKey == 'capuaNotPmfc' and newResults[
thisKey] == 1:
if thisSnippetAppended is False:
foundPieceOpus.insert(0, thisSnippet)
thisSnippetAppended = True
totalDict[thisKey] += newResults[thisKey]
return (totalDict, foundPieceOpus)
def run(self):
from music21 import stream
output = ""
streamName = self.streamName
allScores = stream.Opus()
myDict = {'A': defaultdict(lambda:False), 'B': defaultdict(lambda:False),
'C': defaultdict(lambda:False), 'D': defaultdict(lambda:False),
'E': defaultdict(lambda:False), 'F': defaultdict(lambda:False),
'G': defaultdict(lambda:False)}
for thisWork in self.worksList:
incip = thisWork.incipit
if self.cadenceName == "A":
cadence = thisWork.cadenceA
elif self.cadenceName == "B":
cadence = thisWork.cadenceBclos
try:
if (cadence is None or cadence.parts[streamName] is None):
cadence = thisWork.cadenceB
except KeyError:
cadence = thisWork.cadenceB
elif isinstance(self.cadenceName, int):
try:
cadence = thisWork.snippets[self.cadenceName]
except IndexError:
continue
else:
raise Exception("Cannot deal with cadence type %s" % self.cadenceName)
if incip is None or cadence is None:
continue
try:
incipSN = incip.parts[streamName]
cadenceSN = cadence.parts[streamName]
except KeyError:
continue
try:
firstNote = incipSN.pitches[0]
cadenceNote = cadenceSN.pitches[-1]
except IndexError:
output += thisWork.title + "\n"
continue
myDict[firstNote.step][cadenceNote.step] += 1
if firstNote.step == cadenceNote.step:
allScores.insert(0, incip)
allScores.insert(0, cadence)
output += "%30s %4s %4s\n" % (thisWork.title[0:30], firstNote.name, cadenceNote.name)
bigTotalSame = 0
bigTotalDiff = 0
for outKey in sorted(myDict):
outKeyDiffTotal = 0
for inKey in sorted(myDict[outKey]):
if outKey == inKey:
output += "**** "
bigTotalSame += myDict[outKey][inKey]
else:
output += " "
outKeyDiffTotal += myDict[outKey][inKey]
bigTotalDiff += myDict[outKey][inKey]
output += "%4s %4s %4d\n" % (outKey, inKey, myDict[outKey][inKey])
output += " %4s diff %4d\n" % (outKey, outKeyDiffTotal)
output += "Total Same %4d %3.1f%%\n" % (bigTotalSame,
(bigTotalSame * 100.0) / (bigTotalSame + bigTotalDiff))
output += "Total Diff %4d %3.1f%%\n" % (bigTotalDiff,
(bigTotalDiff * 100.0) / (bigTotalSame + bigTotalDiff))
self.storedDict = myDict
self.displayStream = allScores
self.output = output