def testRichMetadata01(self):
from music21 import corpus
from music21 import metadata
score = corpus.parse('jactatur')
self.assertEqual(score.metadata.composer, 'Johannes Ciconia')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
self.assertEqual(richMetadata.composer, 'Johannes Ciconia')
# update richMetadata with stream
richMetadata.update(score)
self.assertEqual(
richMetadata.keySignatureFirst,
-1,
)
self.assertEqual(str(richMetadata.timeSignatureFirst), '2/4')
score = corpus.parse('bwv66.6')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score)
self.assertEqual(
richMetadata.keySignatureFirst,
3,
)
self.assertEqual(str(richMetadata.timeSignatureFirst), '4/4')
def testRichMetadata01(self):
from music21 import corpus
from music21 import metadata
score = corpus.parse('jactatur')
self.assertEqual(score.metadata.composer, 'Johannes Ciconia')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
self.assertEqual(richMetadata.composer, 'Johannes Ciconia')
# update richMetadata with stream
richMetadata.update(score)
self.assertEqual(
richMetadata.keySignatureFirst,
'<music21.key.KeySignature of 1 flat, mode major>',
)
self.assertEqual(str(richMetadata.timeSignatureFirst), '2/4')
rmdNew = metadata.RichMetadata()
jsonString = freezeThaw.JSONFreezer(richMetadata).json
freezeThaw.JSONThawer(rmdNew).json = jsonString
self.assertEqual(rmdNew.composer, 'Johannes Ciconia')
self.assertEqual(str(rmdNew.timeSignatureFirst), '2/4')
self.assertEqual(
str(rmdNew.keySignatureFirst),
'<music21.key.KeySignature of 1 flat, mode major>',
)
score = corpus.parse('bwv66.6')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score)
self.assertEqual(
str(richMetadata.keySignatureFirst),
'<music21.key.KeySignature of 3 sharps, mode minor>',
)
self.assertEqual(str(richMetadata.timeSignatureFirst), '4/4')
jsonString = freezeThaw.JSONFreezer(richMetadata).json
freezeThaw.JSONThawer(rmdNew).json = jsonString
self.assertEqual(str(rmdNew.timeSignatureFirst), '4/4')
self.assertEqual(
str(rmdNew.keySignatureFirst),
'<music21.key.KeySignature of 3 sharps, mode minor>',
)
def parseScoreInsideOpus(self, score, scoreNumber):
# scoreNumber is a zeroIndexed value.
# score.metadata.number is the retrieval code; which is
# probably 1 indexed, and might have gaps
from music21 import metadata
try:
# upgrade metadata to richMetadata
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score) # update based on Stream
if score.metadata is None or score.metadata.number is None:
environLocal.printDebug(
'addFromPaths: got Opus that contains '
'Streams that do not have work numbers: '
'{0}'.format(self.filePath))
else:
# update path to include work number
corpusPath = metadata.bundles.MetadataBundle.corpusPathToKey(
self.cleanFilePath,
number=score.metadata.number,
)
environLocal.printDebug(f'addFromPaths: storing: {corpusPath}')
metadataEntry = metadata.bundles.MetadataEntry(
sourcePath=self.cleanFilePath,
number=score.metadata.number,
metadataPayload=richMetadata,
)
self.results.append(metadataEntry)
except Exception as exception: # pylint: disable=broad-except
environLocal.warn('Had a problem with extracting metadata '
'for score {0} in {1}, whole opus ignored: '
'{2}'.format(scoreNumber, self.filePath,
str(exception)))
environLocal.printDebug(traceback.format_exc())
def parseNonOpus(self, parsedObject):
from music21 import metadata
try:
corpusPath = metadata.bundles.MetadataBundle.corpusPathToKey(
self.cleanFilePath)
if parsedObject.metadata is not None:
richMetadata = metadata.RichMetadata()
richMetadata.merge(parsedObject.metadata)
richMetadata.update(parsedObject) # update based on Stream
environLocal.printDebug(
f'updateMetadataCache: storing: {corpusPath}')
metadataEntry = metadata.bundles.MetadataEntry(
sourcePath=self.cleanFilePath,
metadataPayload=richMetadata,
corpusName=self.corpusName,
)
self.results.append(metadataEntry)
else:
environLocal.printDebug(
'addFromPaths: got stream without metadata, '
'creating stub: {0}'.format(
common.relativepath(self.cleanFilePath)))
metadataEntry = metadata.bundles.MetadataEntry(
sourcePath=self.cleanFilePath,
metadataPayload=None,
corpusName=self.corpusName,
)
self.results.append(metadataEntry)
except Exception: # wide catch is fine. pylint: disable=broad-except
environLocal.warn('Had a problem with extracting metadata '
'for {0}, piece ignored'.format(self.filePath))
environLocal.warn(traceback.format_exc())
def testRichMetadata02(self):
from music21 import VERSION
from music21 import corpus
from music21 import metadata
from music21 import test
score = corpus.parse('bwv66.6')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score)
self.assertEqual(richMetadata.noteCount, 165)
self.assertEqual(richMetadata.quarterLength, 36.0)
self.assertMultiLineEqual(
freezeThaw.JSONFreezer(richMetadata).prettyJson,
test.dedent(
'''
{
"__attr__": {
"_urls": [],
"_workIds": {
"movementName": {
"__attr__": {
"_data": "bwv66.6.mxl"
},
"__class__": "music21.metadata.primitives.Text"
}
},
"ambitus": {
"__attr__": {
"_priority": 0,
"offset": 0.0
},
"__class__": "music21.interval.Interval"
},
"contributors": [],
"keySignatureFirst": "<music21.key.Key of f# minor>",
"keySignatures": [
"<music21.key.Key of f# minor>"
],
"noteCount": 165,
"numberOfParts": 4,
"pitchHighest": "E5",
"pitchLowest": "F#2",
"quarterLength": 36.0,
"sourcePath": "bach/bwv66.6.mxl",
"tempos": [],
"timeSignatureFirst": "4/4",
"timeSignatures": [
"4/4"
]
},
"__class__": "music21.metadata.RichMetadata",
"__version__": [
''' + str(VERSION[0]) + ''',
''' + str(VERSION[1]) + ''',
''' + str(VERSION[2]) + '''
]
}
''', ))
def testRichMetadata02(self):
from music21 import corpus
from music21 import metadata
score = corpus.parse('bwv66.6')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score)
self.assertEqual(richMetadata.noteCount, 165)
self.assertEqual(richMetadata.quarterLength, 36.0)
def testWorkIds(self):
from music21 import corpus
from music21 import metadata
opus = corpus.parse('essenFolksong/teste')
self.assertEqual(len(opus), 8)
score = opus.getScoreByNumber(4)
self.assertEqual(score.metadata.localeOfComposition,
'Asien, Ostasien, China, Sichuan')
richMetadata = metadata.RichMetadata()
richMetadata.merge(score.metadata)
richMetadata.update(score)
self.assertEqual(richMetadata.localeOfComposition,
'Asien, Ostasien, China, Sichuan')
