def transferClefs(score,
measuresToDo):
"""
Adjusts clefs to accommodate the new part (transferTune or chordHints).
Optionally also does the transferTune while it's at it:
""" # TODO: integrate with leaveRestBars.
startAdditions = [measuresToDo[0]] # First in measuresToDo definitely a startAddition
startGaps = []
for index in range(1, len(measuresToDo)):
oneMoreThanLastEntry = measuresToDo[index-1] + 1
if measuresToDo[index] != oneMoreThanLastEntry:
startGaps.append(oneMoreThanLastEntry)
startAdditions.append(measuresToDo[index])
if measuresToDo[-1] != len(score.parts[0]):
finalGap = measuresToDo[-1] + 1
startGaps.append(finalGap)
for index in range(len(startAdditions)): # Either
vClefAdd = score.parts[0].measure(startAdditions[index]).getContextByClass('Clef')
pClefAdd = score.parts[1].measure(startAdditions[index]).getContextByClass('Clef')
# vClefGap = score.parts[0].measure(startGaps[index]).getContextByClass('Clef')
pClefGap = score.parts[1].measure(startGaps[index]).getContextByClass('Clef')
if vClefAdd != pClefAdd:
AddClef = vClefAdd.sign + str(vClefAdd.line) # TODO simplify?
GapClef = pClefGap.sign + str(pClefGap.line)
score.parts[1].measure(startAdditions[index]).insert(0, clef.clefFromString(AddClef))
score.parts[1].measure(startGaps[index]).insert(0, clef.clefFromString(GapClef))
return score
def clefFromClefSign(self, clefSign):
'''
returns a :class:`~music21.clef.Clef` object or subclass from a <clefSign> tag.
>>> ci = capella.fromCapellaXML.CapellaImporter()
>>> clefSign = ci.domElementFromText('<clefSign clef="treble"/>')
>>> ci.clefFromClefSign(clefSign)
<music21.clef.TrebleClef>
>>> clefSign = ci.domElementFromText('<clefSign clef="G2-"/>')
>>> ci.clefFromClefSign(clefSign)
<music21.clef.Treble8vbClef>
>>> clefSign = ci.domElementFromText('<clefSign clef="F1+"/>')
>>> clefObject = ci.clefFromClefSign(clefSign)
>>> clefObject
<music21.clef.FClef>
>>> clefObject.sign
'F'
>>> clefObject.line
1
>>> clefObject.octaveShift
1
'''
if 'clef' in clefSign._attrs:
clefValue = clefSign._attrs['clef'].value
if clefValue in self.clefMapping:
return self.clefMapping[clefValue]()
elif clefValue[0] == 'p':
return clef.PercussionClef()
elif len(clefValue) > 1:
clefSignAndLine = clefValue[0:2]
clefOctaveChange = 0
if len(clefValue) > 2:
if clefValue[2] == '+':
clefOctaveChange = 1
elif clefValue[2] == '-':
clefOctaveChange = -1
clefObj = clef.clefFromString(clefSignAndLine,
clefOctaveChange)
return clefObj
return None
def clefFromClefSign(self, clefSign):
'''
returns a :class:`~music21.clef.Clef` object or subclass from a <clefSign> tag.
>>> ci = capella.fromCapellaXML.CapellaImporter()
>>> clefSign = ci.domElementFromText('<clefSign clef="treble"/>')
>>> ci.clefFromClefSign(clefSign)
<music21.clef.TrebleClef>
>>> clefSign = ci.domElementFromText('<clefSign clef="G2-"/>')
>>> ci.clefFromClefSign(clefSign)
<music21.clef.Treble8vbClef>
>>> clefSign = ci.domElementFromText('<clefSign clef="F1+"/>')
>>> clefObject = ci.clefFromClefSign(clefSign)
>>> clefObject
<music21.clef.FClef>
>>> clefObject.sign
'F'
>>> clefObject.line
1
>>> clefObject.octaveChange
1
'''
if 'clef' in clefSign._attrs:
clefValue = clefSign._attrs['clef'].value
if clefValue in self.clefMapping:
return self.clefMapping[clefValue]()
elif clefValue[0] == 'p':
return clef.PercussionClef()
elif len(clefValue) > 1:
clefSignAndLine = clefValue[0:2]
clefOctaveChange = 0
if len(clefValue) > 2:
if clefValue[2] == '+':
clefOctaveChange = 1
elif clefValue[2] == '-':
clefOctaveChange = -1
clefObj = clef.clefFromString(clefSignAndLine, clefOctaveChange)
return clefObj
return None
def convertM21(self,outVote,arrError,ground):
errorColor="#ff0000"
missingColor="#00ff00"
# sOut=stream.Stream()
sOut=stream.Score()
sPart=stream.Part()
measureIndex=1
measure=stream.Measure()
measure.number=measureIndex
indexS=0
for symbol in outVote:
mytie=""
realDuration=None
s=symbol
isError=False
isMissing=False
if(len(ground)>indexS):
sGround=ground[indexS]
if(indexS in arrError):
isError=True
if s=="*":
s=sGround
isMissing=True
if isinstance(s,list):
s=s[0]
if s.find('TS:')!=-1:
ts=meter.TimeSignature(s[3:])
if isError:
ts.color = errorColor
if isMissing:
ts.color = missingColor
measure.append(ts)
if s.find('KS:')!=-1:
k=key.KeySignature(int(s[3:]))
if isError:
k.color = errorColor
if isMissing:
k.color = missingColor
measure.append(k)
if s.find('CL:')!=-1:
c=clef.clefFromString(str(s[3:]))
if isError:
c.color = errorColor
if isMissing:
c.color = missingColor
measure.append(c)
if s.find('N:')!=-1:
try:
if isinstance(symbol,list):
realDuration=symbol[1]
mytie=symbol[2]
sep=s.index("_")
duration=s[sep+1:]
# if realDuration!=None:
# duration=realDuration
if(float(duration)>0):
n=note.Note(s[2:sep],quarterLength=float(duration))
if isError:
n.color = errorColor
if isMissing:
n.color = missingColor
if mytie!="":
n.tie=tie.Tie(mytie)
measure.append(n)
except:
print "error"+s
if s.find('R:')!=-1:
try:
if isinstance(symbol,list):
realDuration=symbol[1]
mytie=symbol[2]
duration=s[2:]
# if realDuration!=None:
# duration=realDuration
n=note.Rest(quarterLength=float(duration))
if isError:
n.color = errorColor
if isMissing:
n.color = missingColor
measure.append(n)
except:
print "error"+s
if s.find('C:')!=-1:
notes=s.split("[:")
cPitch=[]
for n in notes:
if n!='C:':
sep=n.index("_")
duration=n[sep+1:]
pitch= n[0:sep]
cPitch.append(pitch)
c=chord.Chord(cPitch)
c.duration.quarterLength=float(duration)
if isError:
c.color = errorColor
if isMissing:
c.color = missingColor
measure.append(c)
if s.find('!')!=-1:
if isinstance(symbol,list):
barType= symbol[1]
barRepeat= symbol[2]
if barType!="":
mybartype=bar.styleToMusicXMLBarStyle(barType)
myBar=bar.Barline(style=mybartype)
measure.rightBarline=myBar
if barRepeat!="":
myBar=bar.Repeat(direction=barRepeat)
if barRepeat=="start":
measure.leftBarline=myBar
if barRepeat=="end":
measure.rightBarline=myBar
sPart.append(measure)
measureIndex+=1
measure=stream.Measure()
measure.number=measureIndex
indexS+=1
sOut.append(sPart)
return sOut
def convertM21(self, outVote, arrError, ground):
errorColor = "#ff0000"
missingColor = "#00ff00"
# sOut=stream.Stream()
sOut = stream.Score()
sPart = stream.Part()
measureIndex = 1
measure = stream.Measure()
measure.number = measureIndex
indexS = 0
for symbol in outVote:
mytie = ""
realDuration = None
s = symbol
isError = False
isMissing = False
if (len(ground) > indexS):
sGround = ground[indexS]
if (indexS in arrError):
isError = True
if s == "*":
s = sGround
isMissing = True
if isinstance(s, list):
s = s[0]
if s.find('TS:') != -1:
ts = meter.TimeSignature(s[3:])
if isError:
ts.color = errorColor
if isMissing:
ts.color = missingColor
measure.append(ts)
if s.find('KS:') != -1:
k = key.KeySignature(int(s[3:]))
if isError:
k.color = errorColor
if isMissing:
k.color = missingColor
measure.append(k)
if s.find('CL:') != -1:
c = clef.clefFromString(str(s[3:]))
if isError:
c.color = errorColor
if isMissing:
c.color = missingColor
measure.append(c)
if s.find('N:') != -1:
try:
if isinstance(symbol, list):
realDuration = symbol[1]
mytie = symbol[2]
sep = s.index("_")
duration = s[sep + 1:]
# if realDuration!=None:
# duration=realDuration
if (float(duration) > 0):
n = note.Note(s[2:sep], quarterLength=float(duration))
if isError:
n.color = errorColor
if isMissing:
n.color = missingColor
if mytie != "":
n.tie = tie.Tie(mytie)
measure.append(n)
except:
print "error" + s
if s.find('R:') != -1:
try:
if isinstance(symbol, list):
realDuration = symbol[1]
mytie = symbol[2]
duration = s[2:]
# if realDuration!=None:
# duration=realDuration
n = note.Rest(quarterLength=float(duration))
if isError:
n.color = errorColor
if isMissing:
n.color = missingColor
measure.append(n)
except:
print "error" + s
if s.find('C:') != -1:
notes = s.split("[:")
cPitch = []
for n in notes:
if n != 'C:':
sep = n.index("_")
duration = n[sep + 1:]
pitch = n[0:sep]
cPitch.append(pitch)
c = chord.Chord(cPitch)
c.duration.quarterLength = float(duration)
if isError:
c.color = errorColor
if isMissing:
c.color = missingColor
measure.append(c)
if s.find('!') != -1:
if isinstance(symbol, list):
barType = symbol[1]
barRepeat = symbol[2]
if barType != "":
mybartype = bar.styleToMusicXMLBarStyle(barType)
myBar = bar.Barline(style=mybartype)
measure.rightBarline = myBar
if barRepeat != "":
myBar = bar.Repeat(direction=barRepeat)
if barRepeat == "start":
measure.leftBarline = myBar
if barRepeat == "end":
measure.rightBarline = myBar
sPart.append(measure)
measureIndex += 1
measure = stream.Measure()
measure.number = measureIndex
indexS += 1
sOut.append(sPart)
return sOut
