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Added format_converstions.py
Browse files- format_conversions.py +34 -0
format_conversions.py
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from music21 import converter, musicxml
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import verovio
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class Format_Converter:
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@classmethod
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def midi_to_musicxml_string(cls, midi_path):
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# Parse MIDI file into a music21 stream
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score = converter.parse(midi_path)
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# Export to MusicXML string
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exporter = musicxml.m21ToXml.GeneralObjectExporter(score)
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musicxml_str = exporter.parse().decode('utf-8') # parse() returns bytes
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return musicxml_str
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@classmethod
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def xml_to_mei_string(cls, tk, xmlstring):
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tk.loadData(xmlstring)
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return tk.getMEI()
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@classmethod
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def midi_to_svg(cls, tk, midi_path):
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try:
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# Convert MIDI to MEI using music21
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musicxml = cls.midi_to_musicxml_string(midi_path)
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mei_str = cls.xml_to_mei_string(musicxml)
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# Load MEI and render SVG
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tk.loadData(mei_str)
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svg = tk.renderToSVG(1)
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return svg
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except Exception as e:
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return f"<p style='color:red'>Error: {e}</p>"
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if __name__ == '__main__':
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svg_string = Format_Converter().midi_to_svg(verovio.toolkit(), 'output.mid')
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