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Browse files- README.md +64 -3
- handler.py +136 -0
- requirements.txt +8 -0
README.md
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# Kyutai TTS Handler pour Hugging Face Endpoints
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## Déploiement rapide
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1. **Créez un nouveau repo sur Hugging Face** : `daiemon12/kyutai-tts-endpoint`
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2. **Uploadez ces fichiers** :
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- `handler.py`
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- `requirements.txt`
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- `README.md`
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3. **Configuration de l'endpoint** :
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```
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Model Repository: daiemon12/kyutai-tts-endpoint
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Hardware: Intel Sapphire Rapids - 8 vCPUs · 16 GB
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($0.268/h)
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Ou mieux (recommandé pour production):
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Hardware: NVIDIA T4 · 16GB VRAM
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(~$0.60/h mais BEAUCOUP plus rapide)
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Security: Protected ✅
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Autoscaling: 0 to 2 replicas
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Scale-to-zero: après 60 min ✅
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```
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## Utilisation
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```python
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import requests
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response = requests.post(
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"https://xxxxx.endpoints.huggingface.cloud",
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headers={"Authorization": f"Bearer {HF_TOKEN}"},
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json={
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"inputs": "Bonjour, ceci est un test de synthèse vocale.",
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"parameters": {
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"language": "fr", # ou "en", ou "auto"
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"speed": 1.0
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}
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}
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)
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audio_base64 = response.json()["audio"]
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```
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## Performances attendues
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- **Latence première requête** : ~10-15s (chargement modèle)
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- **Latence suivantes** : 200-400ms
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- **Qualité** : État de l'art pour FR/EN
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- **Streaming** : 220ms du texte au premier audio
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## Alternative simple
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Si vous voulez tester rapidement sans créer de repo :
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1. Allez sur https://huggingface.co/spaces
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2. Duplicate un Space TTS existant
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3. Modifiez pour utiliser Kyutai
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Mais pour production, utilisez l'endpoint avec ce handler !
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handler.py
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"""
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Handler direct pour Kyutai TTS - Charge le modèle depuis le repo original
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Pas besoin de dupliquer le modèle !
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"""
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import torch
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import base64
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import io
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import numpy as np
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from typing import Dict, Any
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import soundfile as sf
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class EndpointHandler:
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def __init__(self, path=""):
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"""
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Initialise le handler en chargeant directement depuis kyutai/tts-1.6b-en_fr
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"""
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from moshi.models import loaders
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# Détection du device
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self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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print(f"🔧 Initialisation sur {self.device}")
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# Charger le modèle directement depuis le repo original
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print("📥 Chargement du modèle kyutai/tts-1.6b-en_fr...")
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self.lm_model = loaders.get_pretrained_lm_model(
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device=self.device,
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repo_id="kyutai/tts-1.6b-en_fr" # Charge depuis le repo original !
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)
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print("✅ Modèle chargé avec succès!")
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# Config par défaut
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self.sample_rate = 24000
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self.default_speed = 1.0
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def __call__(self, data: Dict[str, Any]) -> Dict[str, Any]:
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"""
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Traite les requêtes TTS
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Args:
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data: {
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"inputs": str - Le texte à synthétiser
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"parameters": {
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"language": str - "fr", "en" ou "auto" (défaut: auto)
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"speed": float - Vitesse de parole (défaut: 1.0)
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"voice": int - ID du locuteur (défaut: 0)
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}
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}
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Returns:
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{
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"audio": str - Audio en base64 (WAV)
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"sampling_rate": int - Taux d'échantillonnage
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"duration": float - Durée en secondes
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}
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"""
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# Extraction des paramètres
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text = data.get("inputs", "")
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if not text:
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raise ValueError("Le paramètre 'inputs' (texte) est requis")
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params = data.get("parameters", {})
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language = params.get("language", "auto")
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speed = params.get("speed", self.default_speed)
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voice_id = params.get("voice", 0)
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# Détection automatique de la langue
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if language == "auto":
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# Détection simple basée sur les caractères
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fr_chars = set("àâäéèêëïîôùûçœ")
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has_french = any(c in text.lower() for c in fr_chars)
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language = "fr" if has_french else "en"
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print(f"🌍 Langue détectée: {language}")
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# Validation de la langue
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if language not in ["fr", "en"]:
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raise ValueError(f"Langue non supportée: {language}. Utilisez 'fr', 'en' ou 'auto'")
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try:
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# Synthèse vocale
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print(f"🎤 Synthèse TTS: {len(text)} caractères en {language}")
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with torch.no_grad():
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# Générer l'audio
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audio_tensor = self.lm_model.synthesize(
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text=text,
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language=language,
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speaker_id=voice_id,
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speed=speed
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)
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# Convertir en numpy array
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audio_np = audio_tensor.cpu().numpy()
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# Normaliser l'audio
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audio_np = audio_np / np.max(np.abs(audio_np))
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# Convertir en WAV
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buffer = io.BytesIO()
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sf.write(buffer, audio_np, self.sample_rate, format='WAV')
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buffer.seek(0)
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# Encoder en base64
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audio_base64 = base64.b64encode(buffer.read()).decode('utf-8')
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# Calculer la durée
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duration = len(audio_np) / self.sample_rate
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print(f"✅ Synthèse réussie: {duration:.2f}s d'audio généré")
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return {
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"audio": audio_base64,
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"sampling_rate": self.sample_rate,
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"duration": duration,
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"metadata": {
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"language": language,
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"voice_id": voice_id,
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"speed": speed,
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"text_length": len(text)
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}
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}
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except Exception as e:
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print(f"❌ Erreur TTS: {str(e)}")
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raise RuntimeError(f"Erreur lors de la synthèse: {str(e)}")
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def health_check(self) -> Dict[str, Any]:
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"""Vérification de santé de l'endpoint"""
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return {
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"status": "healthy",
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"model": "kyutai/tts-1.6b-en_fr",
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"device": str(self.device),
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"languages": ["fr", "en"],
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"sample_rate": self.sample_rate
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}
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requirements.txt
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# Requirements pour Kyutai TTS Handler
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torch>=2.0.0
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torchaudio>=2.0.0
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moshi>=0.2.6
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numpy>=1.24.0
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huggingface-hub>=0.19.0
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safetensors>=0.4.0
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wave
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