Files
compose/ai/patch_tts_tool.py
2026-05-09 13:41:37 +00:00

148 lines
7.0 KiB
Python

#!/usr/bin/env python3
"""Patch Hermes TTS tool to add Piper provider and remove Edge TTS fallback."""
import sys
tts_path = '/opt/hermes/.venv/lib/python3.13/site-packages/tools/tts_tool.py'
with open(tts_path) as f:
code = f.read()
# Replace the Coqui provider block with Piper
old_coqui = ' elif provider == "coqui":'
new_piper = ''' elif provider == "piper":
logger.info("Generating speech with Piper TTS (local, CPU)...")
import subprocess
piper_binary = "/opt/hermes/.venv/bin/piper"
piper_config = tts_config.get("piper", {})
voice = piper_config.get("voice", "en_US-lessac-medium")
model_dir = piper_config.get("model_dir", "/opt/hermes/.venv/share/piper/voices")
model_path = os.path.join(model_dir, f"{voice}.onnx")
if not os.path.exists(model_path):
raise FileNotFoundError(f"Piper voice model not found: {model_path}")
cmd = [piper_binary, "--model", model_path, "--output-raw"]
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
raw_audio, stderr = proc.communicate(input=text.encode(), timeout=60)
if proc.returncode != 0:
raise RuntimeError(f"Piper TTS failed: {stderr.decode()[:200]}")
ffmpeg_cmd = ["ffmpeg", "-f", "s16le", "-ar", "22050", "-ac", "1", "-i", "-", "-y", file_str]
subprocess.run(ffmpeg_cmd, input=raw_audio, capture_output=True, timeout=30)
logger.info("Piper TTS audio saved: %s", file_str)'''
if old_coqui in code:
code = code.replace(old_coqui, new_piper)
print("Coqui -> Piper replaced")
else:
# Fresh Hermes install - add Piper after the last provider (kittentts)
if 'provider == "piper"' in code:
print("Piper already present, skipping coqui replacement")
else:
print("Stock Hermes - adding Piper provider after kittentts...")
marker = ' elif provider == "kittentts":'
if marker in code:
# Find the end of the kittentts block and insert Piper before else
lines = code.split('\n')
kit_idx = None
for i, line in enumerate(lines):
if line.strip().startswith('elif provider == "kittentts":'):
kit_idx = i
break
if kit_idx is not None:
# Find the next blank line + else block
for i in range(kit_idx, len(lines)):
if lines[i].strip() == 'else:':
# Insert Piper block before this line
indent = ' '
piper_lines = new_piper.split('\n')
insert = piper_lines + ['']
lines[i:i] = insert
code = '\n'.join(lines)
print("Piper provider added after kittentts")
break
# Replace the Edge fallback with Piper fallback
old_edge = ''' else:
# Default: Edge TTS (free), with NeuTTS as local fallback
edge_available = True
try:
_import_edge_tts()
except ImportError:
edge_available = False
if edge_available:
logger.info("Generating speech with Edge TTS...")
try:
import concurrent.futures
with concurrent.futures.ThreadPoolExecutor(max_workers=1) as pool:
pool.submit(
lambda: asyncio.run(_generate_edge_tts(text, file_str, tts_config))
).result(timeout=60)
except RuntimeError:
asyncio.run(_generate_edge_tts(text, file_str, tts_config))
elif _check_neutts_available():
logger.info("Edge TTS not available, falling back to NeuTTS (local)...")
provider = "neutts"
_generate_neutts(text, file_str, tts_config)
else:
return json.dumps({
"success": False,
"error": "No TTS provider available. Install edge-tts (pip install edge-tts) "
"or set up NeuTTS for local synthesis."
}, ensure_ascii=False)'''
new_piper_fallback = ''' else:
# Default: Piper TTS (local, CPU, no cloud)
piper_available = False
try:
piper_binary = "/opt/hermes/.venv/bin/piper"
piper_config = tts_config.get("piper", {})
voice = piper_config.get("voice", "en_US-lessac-medium")
model_dir = piper_config.get("model_dir", "/opt/hermes/.venv/share/piper/voices")
model_path = os.path.join(model_dir, f"{voice}.onnx")
if os.path.exists(model_path):
piper_available = True
except Exception:
pass
if piper_available:
logger.info("Generating speech with Piper TTS (local, CPU)...")
import subprocess
piper_binary = "/opt/hermes/.venv/bin/piper"
piper_config = tts_config.get("piper", {})
voice = piper_config.get("voice", "en_US-lessac-medium")
model_dir = piper_config.get("model_dir", "/opt/hermes/.venv/share/piper/voices")
model_path = os.path.join(model_dir, f"{voice}.onnx")
cmd = [piper_binary, "--model", model_path, "--output-raw"]
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
raw_audio, stderr = proc.communicate(input=text.encode(), timeout=60)
if proc.returncode != 0:
raise RuntimeError(f"Piper TTS failed: {stderr.decode()[:200]}")
ffmpeg_cmd = ["ffmpeg", "-f", "s16le", "-ar", "22050", "-ac", "1", "-i", "-", "-y", file_str]
subprocess.run(ffmpeg_cmd, input=raw_audio, capture_output=True, timeout=30)
logger.info("Piper TTS audio saved: %s", file_str)
else:
return json.dumps({
"success": False,
"error": "No TTS provider available. Install Piper TTS (pip install piper-tts) "
"and download a voice model."
}, ensure_ascii=False)'''
if old_edge in code:
code = code.replace(old_edge, new_piper_fallback)
print("Edge fallback replaced with Piper")
else:
print("Edge fallback NOT found, checking if already Piper...")
if 'Default: Piper TTS' in code:
print("Piper fallback already present, skipping")
else:
print("ERROR: Could not find Edge fallback")
# Debug: show what the else block looks like
import re
match = re.search(r' else:\n # Default:', code)
if match:
print("Found else block at", match.start())
sys.exit(1)
with open(tts_path, 'w') as f:
f.write(code)
print("tts_tool.py patched successfully")