hmo
04db423416
- 70 skills with code and documentation - Add .gitignore (ignore __pycache__, output/, temp/, venv/) - Clean up test intermediates and caches
49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""为 MusicXML 钢琴谱添加花括号分组。"""
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import sys
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import xml.etree.ElementTree as ET
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if len(sys.argv) < 2:
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print('Usage: python add_brace.py input.musicxml [output.musicxml]')
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sys.exit(1)
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input_file = sys.argv[1]
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output_file = sys.argv[2] if len(sys.argv) > 2 else input_file.replace('.musicxml', '_braced.musicxml')
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ET.register_namespace('m', 'http://www.musescore.org/ns/mscore')
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ET.register_namespace('xlink', 'http://www.w3.org/1999/xlink')
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tree = ET.parse(input_file)
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root = tree.getroot()
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part_list = root.find('part-list')
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if part_list is None:
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print('Error: no <part-list> found in file')
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sys.exit(1)
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# 添加花括号分组（插在 part-list 最前面）
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group_start = ET.Element('part-group')
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group_start.set('number', '1')
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group_start.set('type', 'start')
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ET.SubElement(group_start, 'group-symbol').text = 'brace'
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ET.SubElement(group_start, 'group-barline').text = 'bracket'
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ET.SubElement(group_start, 'group-time')
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part_list.insert(0, group_start)
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# 每个 score-part 加 <group>1</group>
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for sp in part_list.findall('score-part'):
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g = ET.SubElement(sp, 'group')
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g.text = '1'
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# 结束分组
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part_list.append(ET.Element('part-group', number='1', type='stop'))
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try:
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ET.indent(root)
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except AttributeError:
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pass
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tree.write(output_file, encoding='UTF-8', xml_declaration=True)
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print(f'Added brace grouping')
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print(f'Output: {output_file}')
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