def testSomeMeasuresNotEqual(self):
a = etree.Element('score')
a_part = etree.SubElement(a, 'part')
measure = etree.SubElement(a_part, 'measure')
attributes = etree.SubElement(measure, 'attributes')
etree.SubElement(attributes, 'divisions').text = '24'
etree.SubElement(etree.SubElement(a_part, 'measure'), 'note')
a_part = etree.SubElement(a, 'part')
etree.SubElement(etree.SubElement(a_part, 'measure'), 'note')
etree.SubElement(a_part, 'measure')
b = etree.Element('score')
b_part = etree.SubElement(b, 'part')
measure = etree.SubElement(b_part, 'measure')
attributes = etree.SubElement(measure, 'attributes')
etree.SubElement(attributes, 'divisions').text = '24'
etree.SubElement(measure, 'note')
etree.SubElement(etree.SubElement(b_part, 'measure'), 'note')
b_part = etree.SubElement(b, 'part')
etree.SubElement(b_part, 'measure')
etree.SubElement(etree.SubElement(b_part, 'measure'), 'note')
pd_testing.assert_frame_equal(
musicxml.musicxml_similarity(a, b),
pd.DataFrame([0.0, 1.0, 0.0, 0.0, 0.25],
columns=[musicxml.OVERALL_SCORE],
index=pd.MultiIndex.from_tuples(
[(0, 0), (0, 1), (1, 0), (1, 1), ('total', '')],
names=['staff', 'measure'])))
def testIdentical(self):
filename = six.text_type(
os.path.join(resource_loader.get_data_files_path(),
'../testdata/IMSLP00747.golden.xml'))
score = etree.fromstring(open(filename, 'rb').read())
similarity = musicxml.musicxml_similarity(score, score)
self.assertGreater(len(similarity), 1)
self.assertEqual(similarity['overall_score']['total'][0], 1.0)
def testMoreChangesLessSimilar(self):
filename = six.text_type(
os.path.join(resource_loader.get_data_files_path(),
'../testdata/TWO_MEASURE_SAMPLE.xml'))
score = etree.fromstring(open(filename, 'rb').read())
score2 = copy.deepcopy(score)
durations2 = score2.findall('part/measure/note/duration')
# Change the duration of one note by +1
durations2[0].text = str(int(durations2[0].text) + 1)
score3 = copy.deepcopy(score2)
octaves3 = score3.findall('part/measure/note/pitch/octave')
# Change the octave of another note by +1
octaves3[1].text = str(int(octaves3[1].text) + 1)
similarity11 = musicxml.musicxml_similarity(score, score)
similarity12 = musicxml.musicxml_similarity(score, score2)
similarity13 = musicxml.musicxml_similarity(score, score3)
# Score 2 should be less similar than 1 to itself
self.assertLess(similarity12['overall_score']['total'][0],
similarity11['overall_score']['total'][0])
# Score 3 should be less similar than 2 to 1
self.assertLess(similarity13['overall_score']['total'][0],
similarity12['overall_score']['total'][0])
def testEmptyMeasures(self):
a = etree.Element('score')
a_part = etree.SubElement(a, 'part')
measure = etree.SubElement(a_part, 'measure')
attributes = etree.SubElement(measure, 'attributes')
etree.SubElement(attributes, 'divisions').text = '24'
etree.SubElement(a_part, 'measure')
etree.SubElement(a_part, 'measure')
b = etree.Element('score')
b_part = etree.SubElement(b, 'part')
measure = etree.SubElement(b_part, 'measure')
attributes = etree.SubElement(measure, 'attributes')
etree.SubElement(attributes, 'divisions').text = '24'
etree.SubElement(b_part, 'measure')
etree.SubElement(b_part, 'measure')
similarity = musicxml.musicxml_similarity(a, b)
self.assertEqual(len(similarity), 4)
self.assertEqual(similarity['overall_score']['total'][0], 1.0)
def evaluate(self, ground_truth):
expected = file_io.read_file_to_string(ground_truth.ground_truth_filename)
score = self.omr.run(
page_spec.filename for page_spec in ground_truth.page_spec)
actual = conversions.score_to_musicxml(score)
return musicxml.musicxml_similarity(actual, expected)