def test_linear_beaming_from_nt():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score1.musicxml")))
measures = score.parts[0].getElementsByClass("Measure")
for m in measures:
gns = m.getElementsByClass("GeneralNote")
bt = m21_2_notationtree(gns, "beamings", consider_grace_notes=True)
tt = m21_2_notationtree(gns, "tuplets", consider_grace_notes=True)
assert m21_2_seq_struct(gns, "beamings")[0] == nt2seq_structure(bt)[0]
assert m21_2_seq_struct(gns, "tuplets")[0] == nt2seq_structure(tt)[0]
assert m21_2_seq_struct(gns, "beamings")[1] == nt2seq_structure(bt)[1]
assert m21_2_seq_struct(gns, "tuplets")[1] == nt2seq_structure(tt)[1]
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 test_m21_2_notationtree2():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score2.musicxml")))
measures = score.parts[0].getElementsByClass("Measure")
# measure 3 (grace note)
gns_m3 = measures[3].getElementsByClass("GeneralNote")
nt_bt = m21_2_notationtree(gns_m3, "beamings", consider_grace_notes=True)
nt_tt = m21_2_notationtree(gns_m3, "tuplets", consider_grace_notes=True)
assert len(nt_bt.get_nodes()) == 6
assert len(nt_bt.get_leaf_nodes()) == 4
assert len(nt_bt.root.children) == 4
assert len(nt_tt.get_nodes()) == 5
assert len(nt_tt.get_leaf_nodes()) == 4
assert len(nt_tt.root.children) == 4
def test_nt2general_notes2():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score3.musicxml")))
measures = score.parts[0].getElementsByClass("Measure")
for m in measures:
gns = m.getElementsByClass("GeneralNote")
bt = m21_2_notationtree(gns, "beamings")
tt = m21_2_notationtree(gns, "tuplets")
out_gns = nt2general_notes(bt, tt)
# check beamings and tuplets
assert m21_2_seq_struct(gns, "beamings") == m21_2_seq_struct(
out_gns, "beamings")
assert (correct_tuplet(m21_2_seq_struct(
gns, "tuplets")[0]) == m21_2_seq_struct(out_gns, "tuplets")[0])
assert (m21_2_seq_struct(gns, "tuplets")[1] == m21_2_seq_struct(
out_gns, "tuplets")[1])
for n1, n2 in zip(gns, out_gns):
assert gn2label(n1) == gn2label(n2)
# check m21 proprieties without the modifications that we do for importing
assert get_type_number(n1) == get_type_number(n2)
def test_m21_2_notationtree1():
score = m21.converter.parse(
str(Path("tests/test_musicxml/test_score1.musicxml")))
measures = score.parts[0].getElementsByClass("Measure")
# measure 0
gns_m0 = measures[0].getElementsByClass("GeneralNote")
bt = m21_2_notationtree(gns_m0, "beamings")
assert len(bt.get_nodes()) == 2
assert len(bt.get_leaf_nodes()) == 1
assert len(bt.root.children) == 1
# measure 1
gns_m0 = measures[1].getElementsByClass("GeneralNote")
bt = m21_2_notationtree(gns_m0, "beamings")
assert len(bt.get_nodes()) == 12
assert len(bt.get_leaf_nodes()) == 8
assert len(bt.root.children) == 4
# measure 2
gns_m0 = measures[2].getElementsByClass("GeneralNote")
nt_bt = m21_2_notationtree(gns_m0, "beamings")
nt_tt = m21_2_notationtree(gns_m0, "tuplets")
assert len(nt_bt.get_nodes()) == 10
assert len(nt_bt.get_leaf_nodes()) == 6
assert len(nt_bt.root.children) == 4
assert len(nt_tt.get_nodes()) == 7
assert len(nt_tt.get_leaf_nodes()) == 6
assert len(nt_tt.root.children) == 6
# measure 3
gns_m0 = measures[3].getElementsByClass("GeneralNote")
nt_bt = m21_2_notationtree(gns_m0, "beamings")
nt_tt = m21_2_notationtree(gns_m0, "tuplets")
assert len(nt_bt.get_nodes()) == 11
assert len(nt_bt.get_leaf_nodes()) == 8
assert len(nt_bt.root.children) == 5
assert len(nt_tt.get_nodes()) == 11
assert len(nt_tt.get_leaf_nodes()) == 8
assert len(nt_tt.root.children) == 4