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fix(tts): support configurable ElevenLabs URLs #66311

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fix(tts): support configurable ElevenLabs URLs #66311

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21 changes: 19 additions & 2 deletions tools/tts_tool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,11 @@ def _import_elevenlabs():
from elevenlabs.client import ElevenLabs
return ElevenLabs

def _import_elevenlabs_environment():
"""Lazy import ElevenLabs environment class."""
from elevenlabs.environment import ElevenLabsEnvironment
return ElevenLabsEnvironment

def _import_openai_client():
"""Lazy import OpenAI client. Returns the class or raises ImportError."""
from openai import OpenAI as OpenAIClient
Expand Down Expand Up @@ -993,6 +998,8 @@ def _generate_elevenlabs(text: str, output_path: str, tts_config: Dict[str, Any]
el_config = tts_config.get("elevenlabs") or {}
voice_id = el_config.get("voice_id", DEFAULT_ELEVENLABS_VOICE_ID)
model_id = el_config.get("model_id", DEFAULT_ELEVENLABS_MODEL_ID)
base_url = el_config.get("base_url")
wss_url = el_config.get("wss_url")

# Determine output format based on file extension
if output_path.endswith(".ogg"):
Expand All @@ -1001,7 +1008,11 @@ def _generate_elevenlabs(text: str, output_path: str, tts_config: Dict[str, Any]
output_format = "mp3_44100_128"

@teknium1 teknium1 Jul 18, 2026

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base_url alone is ignored here, so the advertised tts.elevenlabs.base_url configuration still routes to the default endpoint unless users also supply wss_url. The pinned ElevenLabs 1.59.0 client accepts base_url directly; handle that case independently, reserving ElevenLabsEnvironment for an explicitly distinct WSS URL.


ElevenLabs = _import_elevenlabs()
client = ElevenLabs(api_key=api_key)
if base_url and wss_url:
ElevenLabsEnvironment = _import_elevenlabs_environment()
client = ElevenLabs(api_key=api_key, environment=ElevenLabsEnvironment(base=base_url, wss=wss_url))
else:
client = ElevenLabs(api_key=api_key)
audio_generator = client.text_to_speech.convert(
text=text,
voice_id=voice_id,
Expand Down Expand Up @@ -2780,6 +2791,8 @@ def stream_tts_to_speaker(
voice_id = el_config.get("voice_id", voice_id)
model_id = el_config.get("streaming_model_id",
el_config.get("model_id", model_id))
base_url = el_config.get("base_url")
wss_url = el_config.get("wss_url")
# Per-sentence cap for the streaming path. Look up the cap against
# the *streaming* model_id (defaults to eleven_flash_v2_5 = 40k chars),
# not the sync model_id. A user override
Expand All @@ -2795,7 +2808,11 @@ def stream_tts_to_speaker(
else:
try:
ElevenLabs = _import_elevenlabs()
client = ElevenLabs(api_key=api_key)
if base_url and wss_url:
ElevenLabsEnvironment = _import_elevenlabs_environment()
client = ElevenLabs(api_key=api_key, environment=ElevenLabsEnvironment(base=base_url, wss=wss_url))
else:
client = ElevenLabs(api_key=api_key)
except ImportError:
logger.warning("elevenlabs package not installed; streaming TTS disabled")

Expand Down