48 lines
2.8 KiB
Python
48 lines
2.8 KiB
Python
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"""Rebuild through the hardened generator; keep this run's source/output audit."""
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import json
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from datetime import datetime, timezone
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from pathlib import Path
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import subprocess
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import sys
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ROOT = Path(__file__).resolve().parents[4]
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sys.path.insert(0, str(ROOT / 'scripts'))
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import ambience_audio as audio
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EVIDENCE = Path(__file__).resolve().parent
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plan_path = ROOT / '.agent/AMBIENCE-SOURCES-v0.2.3.json'
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plan_bytes = plan_path.read_bytes()
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plan = json.loads(plan_bytes)
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source_directory = Path('/tmp/findword-ambience-sources')
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records = []
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for asset in plan['assets']:
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path = audio.source_path(source_directory, asset['environmentId'])
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probe = json.loads(subprocess.check_output(['ffprobe', '-v', 'error', '-show_entries', 'format=duration', '-of', 'json', str(path)], text=True))
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record = {'environmentId': asset['environmentId'], 'sha256': audio.digest(path), 'bytes': path.stat().st_size,
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'directMediaDurationSeconds': float(probe['format']['duration']), 'selectedSegmentStartSeconds': asset['selectedSegmentStartSeconds']}
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assert record['sha256'] == asset['expectedSourceSha256']
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assert record['bytes'] == asset['sourceBytes']
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assert record['directMediaDurationSeconds'] == asset['directMediaDurationSeconds']
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records.append(record)
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print('All eight source SHA-256, byte counts and direct-media durations match before conversion.', flush=True)
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manifest = audio.generate(plan, source_directory, ROOT / 'public/ambience')
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assert plan_path.read_bytes() == plan_bytes
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assert plan == json.loads(plan_bytes)
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audio.validate_bundle(ROOT / 'public/ambience', plan)
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record = {'completedAtUtc': datetime.now(timezone.utc).isoformat(), 'method': 'ambience_audio.generate: source preflight, full staged bundle validation, atomic directory exchange',
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'allSourcesMatchedBeforeConversion': True, 'planUnmodified': True, 'sources': records, 'manifestSha256': audio.digest(ROOT / 'public/ambience/manifest.json'),
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'toolVersions': manifest['toolVersions'], 'outputs': [{k: e[k] for k in ('environmentId', 'selectedSegmentStartSeconds', 'sha256', 'bytes', 'duration', 'rms', 'peak', 'conversion')} for e in manifest['files']]}
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with (EVIDENCE / 'regeneration.json').open('x') as stream:
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stream.write(json.dumps(record, ensure_ascii=False, indent=2) + '\n')
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baseline = json.loads((EVIDENCE / 'baseline.json').read_text())
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changed = []
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for name, before in baseline['wavSha256'].items():
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after = audio.digest(ROOT / name)
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if name in ('public/ambience/market.wav', 'public/ambience/cafe.wav'):
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assert after != before
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changed.append(name)
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else:
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assert after == before, name
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print('Preserved 101 voice WAVs and six ambience WAVs including mall; changed only market and cafe.', flush=True)
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print(json.dumps(record, ensure_ascii=False, indent=2))
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