khodowany
40 lines
2.9 KiB
Python
40 lines
2.9 KiB
Python
from __future__ import annotations
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import dataclasses
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import json
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import generator.harmony
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import generator.model
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import generator.scales.report
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import generator.scales.selection
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import generator.scales.timeline
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import generator.solo.types
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def describe(solo: generator.solo.types.Solo, scales, measure_offset=0, time_offset=0) -> str:
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region = generator.scales.timeline.Solo(time_offset, time_offset + solo.end, solo.part.capitalize() + ' Solo')
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positioned = tuple(dataclasses.replace(c, span=dataclasses.replace(c.span, start=c.span.start + time_offset, end=c.span.end + time_offset, measure=c.span.measure + measure_offset)) for c in solo.choices)
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lines = [generator.scales.report.passage(solo.part, region, positioned, scales), f'Phrase composition: {solo.part}', f'Placement reference tempo: {solo.tempo} quarter notes/minute. Runtime tempo changes are not a comfort guarantee.', 'Times below are quarter-note offsets from the start of this solo; pitches are sounding.']
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if solo.diagnostics:
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lines.append('Composition diagnostics: ' + json.dumps(solo.diagnostics, sort_keys=True))
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for phrase in solo.phrases:
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plan = phrase.plan
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lines.extend(('', f'{plan.id}: {plan.start}-{plan.end}; {plan.relationship}; motif {plan.motif.id}', f' Origin: {plan.motif.origin}; source events: ' + ', '.join(s for n in plan.motif.notes for s in n.sources)))
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lines.append(f' Contract: {plan.treatment}; closure: {plan.closure}; ending: {plan.ending}; score: {phrase.score:.4f}; identity: {plan.seed}')
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for passage in plan.passages:
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lines.append(f' Passage {passage.start}-{passage.end}: {passage.intent}; attacks/beat {float(passage.activity):.3f}; occupancy {float(passage.occupancy):.2f}')
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for landmark in plan.landmarks:
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lines.append(f' Landmark {landmark.name}: {landmark.earliest}-{landmark.latest}; sounding MIDI {landmark.low}-{landmark.high}; direction {landmark.direction}')
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if plan.target:
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lines.append(f' Destination: {plan.target.chord}; {plan.target.reason}; arrival {plan.target.earliest}-{plan.target.latest}')
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for decision in phrase.decisions:
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lines.append(f' {decision.start}-{decision.end}: {decision.source}; {decision.treatment}')
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if not decision.notes:
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lines.append(' Silence')
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for note in decision.notes:
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choice = next(c for c in solo.choices if c.span.start <= note.start < c.span.end)
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root = generator.scales.selection.root_number(choice.span.chord)
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degrees = [str(d) for d, a in generator.harmony.degrees(choice.span.chord).items() if (root + generator.harmony.degree_semitones(d, a)) % 12 == note.pitch.number() % 12]
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function = 'chord degree ' + '/'.join(degrees) if degrees else 'in-collection connection'
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lines.append(f' {note.start}-{note.end}: {note.pitch.label()}; {note.role}; {generator.harmony.symbol(choice.span.chord)}, {function}; {choice.scale.label()}; string {note.position.string_number}, fret {note.position.fret}')
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return '\n'.join(lines) + '\n'
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