aiexperiments-ai-duet/server/magenta/music/music_xml_io.py

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2016-11-11 18:53:51 +00:00
"""Convert MusicXML files to NoteSequence protos, currently uses music21.
Typical usage example:
note_sequence = music_xml_to_sequence_proto('/path/to/file/mysong.xml')
"""
import os
# internal imports
import music21
from magenta.music.music21_to_note_sequence_io import music21_to_sequence_proto
def music_xml_to_sequence_proto(musicxml_fpath):
"""Converts a MusicXML file into NoteSequence proto.
Args:
musicxml_fpath: A string of the absolute path, including filename, to the
MusicXML file to be parsed and converted.
Returns:
A NoteSequence.
"""
parser = music21.musicxml.xmlToM21.MusicXMLImporter()
music21_score = parser.scoreFromFile(musicxml_fpath)
sequence_proto = music21_to_sequence_proto(music21_score,
os.path.basename(musicxml_fpath))
return sequence_proto