e0f1a4504c
Brad's 2026-08-20 decision: default the private Hermes chat TTS voice to a warmer, pleasant feminine voice (en_US-hfc_female-medium) instead of Lessac. en_US-amy-medium is baked into the same image as a selectable alternate so the choice can be revisited without another Jenkins build. Lessac models are kept (not deleted) since the task didn't require reclaiming image size; the image grows by ~120.6 MiB (2 medium voices, onnx+json, from the pinned rhasspy/piper-voices revision already used for lessac). The Piper server only reads HERMES_TTS_VOICE at process start; the "voice" field in the WebUI's request body is not consulted by the server (dockerfiles/hermes-jetson-tts-server.py:59-72). That WebUI string is aligned here for honesty, but the env var remains the effective control -- align image digest and env var rollout order (see PR description). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
97 lines
4.1 KiB
Python
97 lines
4.1 KiB
Python
#!/usr/bin/env python3
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"""Apply fail-closed Atlas voice integration patches to pinned Hermes WebUI."""
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from pathlib import Path
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ROOT = Path("/opt/hermes-webui")
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def replace_exact(path: Path, before: str, after: str, count: int = 1) -> None:
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"""Replace an exact upstream fragment and fail when the pin has drifted."""
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source = path.read_text(encoding="utf-8")
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if source.count(before) != count:
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raise SystemExit(f"Atlas voice patch context changed in {path}: {before[:80]!r}")
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path.write_text(source.replace(before, after, count), encoding="utf-8")
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index = ROOT / "static/index.html"
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replace_exact(
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index,
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'<option value="browser">Browser speech synthesis</option><option value="edge">Edge TTS (server)</option>',
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'<option value="atlas">Atlas Jetson (private)</option><option value="browser">Browser speech synthesis</option><option value="edge">Edge TTS (server)</option>',
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)
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replace_exact(
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index,
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'<script src="static/boot.js?v=__WEBUI_VERSION__" defer></script>',
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'<script src="static/boot.js?v=__WEBUI_VERSION__" defer></script>\n<script src="static/atlas-voice.js?v=__WEBUI_VERSION__" defer></script>',
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)
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ui = ROOT / "static/ui.js"
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replace_exact(ui, "function _playEdgeTtsChunked(text, btn){", "function _playEdgeTtsChunked(text, btn, engineOverride){")
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replace_exact(
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ui,
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"body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch})",
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"body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch, engine:engineOverride||'edge'})",
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)
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replace_exact(
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ui,
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"if(engine==='edge'){\n _playEdgeTtsChunked(clean, btn);",
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"if(engine==='edge'||engine==='atlas'){\n _playEdgeTtsChunked(clean, btn, engine);",
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)
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replace_exact(
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ui,
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"if(engine==='edge'){\n _playEdgeTtsChunked(clean, null);",
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"if(engine==='edge'||engine==='atlas'){\n _playEdgeTtsChunked(clean, null, engine);",
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)
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routes = ROOT / "api/routes.py"
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marker = " # ── ElevenLabs TTS ──────────────────────────────────────────────────\n"
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atlas = ''' # ── Atlas private Jetson TTS ─────────────────────────────────────────
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if engine == "atlas":
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atlas_url = os.getenv("HERMES_WEBUI_ATLAS_TTS_URL", "").strip()
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expected_url = "http://hermes-tts.hermes.svc.cluster.local:9001/v1/audio/speech"
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if atlas_url != expected_url:
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from api.helpers import bad as _bad
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return _bad(handler, "Atlas private TTS is not configured", 503)
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speed = 1.0
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if rate_str:
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try:
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speed = max(0.5, min(2.0, 1.0 + (float(rate_str.rstrip("%")) / 100.0)))
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except ValueError:
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speed = 1.0
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request_body = json.dumps({
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"model": "piper",
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"input": text,
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"voice": "en_US-hfc_female-medium",
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"speed": speed,
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}).encode("utf-8")
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request = Request(atlas_url, data=request_body, headers={
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"Content-Type": "application/json",
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"Accept": "audio/wav",
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})
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try:
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with _tts_open(
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request,
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timeout=45,
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opener_factory=lambda: build_opener(ProxyHandler({}), _NoRedirectTtsHandler()),
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) as response:
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audio_data = _buffer_tts_audio_response(response)
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except Exception:
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logger.exception("Atlas private TTS generation failed")
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from api.helpers import bad as _bad
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return _bad(handler, "Atlas private TTS generation failed", 502)
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handler.send_response(200)
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handler.send_header("Content-Type", "audio/wav")
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handler.send_header("Cache-Control", "no-store")
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handler.send_header("Content-Length", str(len(audio_data)))
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handler.end_headers()
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try:
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handler.wfile.write(audio_data)
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except (BrokenPipeError, ConnectionResetError):
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pass
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return True
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'''
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replace_exact(routes, marker, atlas + marker)
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