def parseNonOpus(self, parsedObject):
from music21 import metadata
try:
corpusPath = metadata.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(
'updateMetadataCache: storing: {0}'.format(corpusPath))
metadataEntry = metadata.MetadataEntry(
sourcePath=self.cleanFilePath,
metadataPayload=richMetadata,
)
self.results.append(metadataEntry)
else:
environLocal.printDebug(
'addFromPaths: got stream without metadata, '
'creating stub: {0}'.format(
common.relativepath(self.cleanFilePath)))
metadataEntry = metadata.MetadataEntry(
sourcePath=self.cleanFilePath,
metadataPayload=None,
)
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.printDebug(traceback.format_exc())
def parseOpusScore(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:
# updgrade 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.MetadataBundle.corpusPathToKey(
self.cleanFilePath,
number=score.metadata.number,
)
environLocal.printDebug(
'addFromPaths: storing: {0}'.format(corpusPath))
metadataEntry = metadata.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 parseOpus(self, parsedObject):
from music21 import metadata
# need to get scores from each opus?
# problem here is that each sub-work has metadata, but there
# is only a single source file
try:
for scoreNumber, score in enumerate(parsedObject.scores):
self.parseOpusScore(score, scoreNumber)
del score # for memory conservation
except Exception as exception: # wide catch is fine. 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())
# Create a dummy metadata entry, representing the entire opus.
# This lets the metadata bundle know it has already processed this
# entire opus on the next cache update.
metadataEntry = metadata.MetadataEntry(
sourcePath=self.cleanFilePath,
metadataPayload=None,
)
self.results.append(metadataEntry)