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Sepearate Generation

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khodowany
2026-10-04 09:05:25 -05:00
parent e8ac7b5edd
commit 8fdd736e13
56 changed files with 1739 additions and 341 deletions
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generator/rhythm.py
+4 -5
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@@ -17,6 +17,7 @@ class Event:
dots: int = 0
beams: tuple[tuple[int, str], ...] = ()
continuation: bool = False
ratio: fractions.Fraction = fractions.Fraction(1)
@dataclasses.dataclass(frozen=True)
class Bar:
@@ -53,8 +54,8 @@ class Library:
def read_snippet(path: pathlib.Path, identifier: str) -> Snippet:
document = generator.musicxml.load_musicxml(path)
staff = document['staves'][0]
if len(staff['measures']) not in (1, 2) or staff.get('tuplets'):
raise ValueError(f'{path}: rhythm snippets require one or two bars without tuplets')
if len(staff['measures']) not in (1, 2):
raise ValueError(f'{path}: rhythm snippets require one or two bars')
meter = staff['measures'][0]['time_signature']
bars = []
for measure in staff['measures']:
@@ -69,9 +70,7 @@ def read_snippet(path: pathlib.Path, identifier: str) -> Snippet:
onset, duration = generator.model.fraction(note['onset']), generator.model.fraction(note['duration'])
if onset != cursor or duration <= 0 or note.get('grace') or note['kind'] not in ('note', 'rest') or note.get('tremolo'):
raise ValueError(f'{path}, measure {measure["number"]}: rhythm events must fill the bar sequentially')
if 'ratio' in note['written']:
raise ValueError(f'{path}, measure {measure["number"]}: rhythm snippets do not support time modifications')
events.append(Event(onset, duration, note['kind'] == 'note', note['written']['type'], note['written'].get('dots', 0), tuple((b['level'], b['type']) for b in note.get('beams', [])), any('tie_from' in p for p in note['pitches'])))
events.append(Event(onset, duration, note['kind'] == 'note', note['written']['type'], note['written'].get('dots', 0), tuple((b['level'], b['type']) for b in note.get('beams', [])), any('tie_from' in p for p in note['pitches']), generator.model.fraction(note['written'].get('ratio',generator.model.rational(1)))))
cursor += duration
if cursor != length:
raise ValueError(f'{path}: rhythm events do not fill the bar')