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from fastapi import APIRouter, HTTPException, Header
from typing import Optional
import aiohttp
import base64
import os
from api.models import TextToSpeechRequest
router = APIRouter()
def get_speech_router():
ELEVEN_LABS_API_KEY = os.getenv("ELEVEN_LABS_API_KEY")
@router.post("/text-to-speech")
async def text_to_speech(
request: TextToSpeechRequest,
x_session_id: Optional[str] = Header(None)
):
"""Endpoint pour convertir du texte en audio via ElevenLabs"""
try:
if not ELEVEN_LABS_API_KEY:
raise HTTPException(status_code=500, detail="ElevenLabs API key not configured")
# Nettoyer le texte des balises markdown
clean_text = request.text.replace("**", "")
# Appel à l'API ElevenLabs
url = f"https://api.elevenlabs.io/v1/text-to-speech/{request.voice_id}"
headers = {
"Accept": "audio/mpeg",
"Content-Type": "application/json",
"xi-api-key": ELEVEN_LABS_API_KEY
}
data = {
"text": clean_text,
"model_id": "eleven_multilingual_v2",
"voice_settings": {
"stability": 0.5,
"similarity_boost": 0.75
}
}
async with aiohttp.ClientSession() as session:
async with session.post(url, json=data, headers=headers) as response:
if response.status == 200:
audio_content = await response.read()
audio_base64 = base64.b64encode(audio_content).decode('utf-8')
return {"success": True, "audio_base64": audio_base64}
else:
error_text = await response.text()
raise HTTPException(status_code=response.status, detail=error_text)
except Exception as e:
print(f"Error in text_to_speech: {str(e)}")
raise HTTPException(status_code=500, detail=str(e))
return router |