def realizeDurationsAndAssertTags(mm: stream.Measure,
forwardTag=False,
offsetTag=False):
mm = copy.deepcopy(mm)
harmony.realizeChordSymbolDurations(mm)
obj = gex.fromGeneralObject(mm)
tree = self.getET(obj)
self.assertIs(bool(tree.findall('.//forward')), forwardTag)
self.assertIs(bool(tree.findall('.//offset')), offsetTag)
def testNoChord(self):
from music21 import converter
target_str = """
T: No Chords
M: 4/4
L: 1/1
K: C
[| "C" C | "NC" C | "C" C | "N.C." C | "C" C
| "No Chord" C | "C" C | "None" C | "C" C | "Other"
C |]
"""
score = converter.parse(target_str, format='abc')
self.assertEqual(
len(list(score.flat.getElementsByClass('ChordSymbol'))), 9)
self.assertEqual(len(list(score.flat.getElementsByClass('NoChord'))),
4)
score = harmony.realizeChordSymbolDurations(score)
self.assertEqual(
8,
score.getElementsByClass('ChordSymbol')[-1].quarterLength)
self.assertEqual(
4,
score.getElementsByClass('ChordSymbol')[0].quarterLength)
def testNoChord(self):
from music21 import converter
target_str = """
T: No Chords
M: 4/4
L: 1/1
K: C
[| "C" C | "NC" C | "C" C | "N.C." C | "C" C
| "No Chord" C | "C" C | "None" C | "C" C | "Other"
C |]
"""
score = converter.parse(target_str, format='abc')
self.assertEqual(len(list(score.flat.getElementsByClass(
'ChordSymbol'))), 9)
self.assertEqual(len(list(score.flat.getElementsByClass(
'NoChord'))), 4)
score = harmony.realizeChordSymbolDurations(score)
self.assertEqual(8, score.getElementsByClass('ChordSymbol')[
-1].quarterLength)
self.assertEqual(4, score.getElementsByClass('ChordSymbol')[
0].quarterLength)
def realizeLeadsheet(self, music21Stream):
'''
Example realization (using fbRealizer - chordSymbols flavor) of any leadsheet
converted to a music21Stream
'''
testFile = harmony.realizeChordSymbolDurations(music21Stream)
smoothBassCS = generateSmoothBassLine(testFile.flat.getElementsByClass(harmony.ChordSymbol))
output = generateContrapuntalBassLine(smoothBassCS, generatePopSongRules())
mergeLeadSheetAndBassLine(music21Stream, output).show()
def leadsheetEx1(self):
'''
Example realization of a lead sheet, "Jeanie With The Light Brown Hair" from music21 corpus
'''
testFile1 = corpus.parse('leadSheet/fosterBrownHair.xml')
testFile1.insert(metadata.Metadata())
testFile1.metadata.title = 'Jeanie With The Light Brown Hair'
testFile = harmony.realizeChordSymbolDurations(testFile1)
smoothBassCS = generateSmoothBassLine(testFile.flat.getElementsByClass(harmony.ChordSymbol))
output = generateContrapuntalBassLine(smoothBassCS, generatePopSongRules())
mergeLeadSheetAndBassLine(testFile1, output).show()
def realizeclercqTemperleyEx(self, testfile):
'''
Example realization (using fbRealizer - romanNumerals flavor) of any clercqTemperley file.
testfile must conform to the requirements of a class clercgTemperley file (must be a string)
'''
s = clercqTemperley.CTSong(testfile)
testFile1 = s.toScore()
testFile = harmony.realizeChordSymbolDurations(testFile1)
smoothBassRN = generateSmoothBassLine(testFile.flat.getElementsByClass(roman.RomanNumeral))
output = generateContrapuntalBassLine(smoothBassRN, generateBaroqueRules())
output.insert(metadata.Metadata())
output.metadata.title = s.title
output.show()
def testNoChord(self):
from music21 import converter
target_str = '''
T: No Chords
M: 4/4
L: 1/1
K: C
[| "C" C | "NC" C | "C" C | "N.C." C | "C" C
| "No Chord" C | "C" C | "None" C | "C" C | "Other"
C |]
'''
score = converter.parse(target_str, format='abc')
self.assertEqual(len(score[harmony.ChordSymbol]), 9)
self.assertEqual(len(score[harmony.NoChord]), 4)
score = harmony.realizeChordSymbolDurations(score)
self.assertEqual(8, score.getElementsByClass(harmony.ChordSymbol)
.last().quarterLength)
self.assertEqual(4, score.getElementsByClass(harmony.ChordSymbol)
.first().quarterLength)
