def test_reconstruct():
s = m21.stream.Score(id="mainScore")
p1 = m21.stream.Part(id="part1")
s.append(
[m21.note.Note("C", type="whole"),
m21.note.Note("C", type="whole")])
m11 = m21.stream.Measure(number=1)
m11.append(m21.note.Note("E", type="whole"))
m12 = m21.stream.Measure(number=2)
m12.append(m21.note.Note("F", type="whole"))
p1.append([m11, m12])
s.insert(0, p1)
reconstruct(s)
for el in s.recurse():
if isinstance(el, m21.stream.Score):
assert el.hasPartLikeStreams()
elif isinstance(el, m21.stream.Part):
assert el.hasMeasures()
elif isinstance(el, m21.stream.Measure):
assert el.hasVoices()
elif isinstance(el, m21.stream.Voice):
assert len(el.notes) > 0
def test_reconstruct3():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score2.musicxml")))
reconstruct(score)
expected_num_voices = [2, 1, 2, 1]
for i, measure in enumerate(score.parts[0].getElementsByClass(
m21.stream.Measure)):
assert (len(measure.getElementsByClass(
m21.stream.Voice)) == expected_num_voices[i])
def test_m21_2_notationtree3():
# test from lamarque dataset. It has problems in the xml encoding of the gracenotes
score = m21.converter.parse(
str(Path("tests/test_musicxml/101-Beethoven-bagatelle4op33.musicxml")))
reconstruct(score)
measures = score.parts[0].getElementsByClass("Measure")
# third measure is problematic because of grace notes
m = measures[2]
voice = m.getElementsByClass("Voice")[0]
gns_m3 = voice.getElementsByClass("GeneralNote")
nt_bt = m21_2_notationtree(gns_m3, "beamings")
nt_tt = m21_2_notationtree(gns_m3, "tuplets")
def test_m21_2_notationtree4():
score = m21.converter.parse(
str(
Path("tests/test_musicxml/51_fantasiestucke_op.12-2_aufschwung.xml"
)))
reconstruct(score)
measures = score.parts[0].getElementsByClass("Measure")
# third measure is problematic because of grace notes
m = measures[5]
voice = m.getElementsByClass("Voice")[0]
gns_m3 = voice.getElementsByClass("GeneralNote")
nt_bt = m21_2_notationtree(gns_m3, "beamings")
nt_tt = m21_2_notationtree(gns_m3, "tuplets")
def __init__(self,
musicxml_path: str,
auto_format: bool = True,
produce_trees: bool = False):
"""Initialize the ScoreModel from a music21 score object.
Args:
musicxml_path: the path of the music_xml to import
auto_format (bool, optional): Auto format the score with the hierarchy score, parts, measures, voices. Defaults to True.
produce_trees (bool, optional): Produce the BT and TT for each measure. Defaults to False.
"""
self.m21_score = m21.converter.parse(str(Path(musicxml_path)))
self.produce_trees = produce_trees
if auto_format:
m21u.reconstruct(self.m21_score)
def test_reconstruct2():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score1.musicxml")))
reconstruct(score)
for measure in score.parts[0].getElementsByClass(m21.stream.Measure):
assert len(measure.getElementsByClass(m21.stream.Voice)) == 1