Update app.py
Browse files
app.py
CHANGED
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@@ -1,15 +1,22 @@
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from fastapi.staticfiles import StaticFiles
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from huggingface_hub import InferenceClient
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from fastapi import Request
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import requests
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import numpy as np
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import argparse
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import os
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HOST = os.environ.get("API_URL", "0.0.0.0")
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PORT = os.environ.get("PORT", 7860)
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@@ -21,6 +28,14 @@ parser.add_argument("--ssl_certfile")
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parser.add_argument("--ssl_keyfile")
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args = parser.parse_args()
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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@@ -31,15 +46,137 @@ app.add_middleware(
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)
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app = FastAPI()
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embedder = SentenceTransformer('sentence-transformers/distiluse-base-multilingual-cased-v1')
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@app.post("/api/embed")
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async def embed(request: Request):
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data = await request.json()
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texts = data.get("texts", [])
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@app.get("/invert")
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async def invert(text: str):
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"inverted": text[::-1],
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}
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HF_TOKEN = os.getenv(
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if not HF_TOKEN:
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raise RuntimeError("Le token Hugging Face (HF_TOKEN) n'est pas défini dans les variables d'environnement.")
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# Initialisation du client HF
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)
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@app.post("/api/chat")
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async def chat(request: Request):
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data = await request.json()
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user_message = data.get("message", "").strip()
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if not user_message:
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raise HTTPException(status_code=400, detail="Le champ 'message' est requis.")
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try:
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#
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model="mistralai/Mistral-7B-Instruct-v0.3",
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],
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max_tokens=512,
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temperature=0.7,
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)
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except Exception as e:
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@app.get("/data")
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return JSONResponse(data)
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app.mount("/", StaticFiles(directory="static", html=True), name="static")
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if __name__ == "__main__":
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import uvicorn
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@@ -104,4 +242,140 @@ if __name__ == "__main__":
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reload=args.reload,
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ssl_certfile=args.ssl_certfile,
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ssl_keyfile=args.ssl_keyfile,
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from fastapi import FastAPI, Request, HTTPException,Depends, Response
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from fastapi.staticfiles import StaticFiles
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from huggingface_hub import InferenceClient
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import secrets
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from typing import Optional
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from bson.objectid import ObjectId # Pour les _id MongoDB
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from datetime import datetime, timedelta # Ajout de timedelta pour expires_at
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from fastapi import Request
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import requests
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import numpy as np
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import argparse
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import os
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from pymongo import MongoClient
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from datetime import datetime # Ajout pour createdAt
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from passlib.hash import bcrypt # Ajout pour le hash du mot de passe
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SECRET_KEY = secrets.token_hex(32) # Génère une clé aléatoire
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HOST = os.environ.get("API_URL", "0.0.0.0")
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PORT = os.environ.get("PORT", 7860)
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parser.add_argument("--ssl_keyfile")
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args = parser.parse_args()
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# Configuration MongoDB
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mongo_uri = os.environ.get("MONGODB_URI", "mongodb+srv://giffardaxel95:TQ5bfvWFqRhkHGVi@chatbotmed.qfn2kdn.mongodb.net/")
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db_name = os.environ.get("DB_NAME", "chatmed_schizo")
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mongo_client = MongoClient(mongo_uri)
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db = mongo_client[db_name]
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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)
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# Fonction pour créer une session
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@app.post("/api/login")
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async def login(request: Request, response: Response):
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try:
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data = await request.json()
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email = data.get("email")
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password = data.get("password")
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# Vérifier les identifiants
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user = db.users.find_one({"email": email})
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if not user or not bcrypt.verify(password, user["password"]):
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raise HTTPException(status_code=401, detail="Email ou mot de passe incorrect")
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# Créer une session
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session_id = secrets.token_hex(16)
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user_id = str(user["_id"])
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username = f"{user['prenom']} {user['nom']}"
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# Stocker la session en base de données
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db.sessions.insert_one({
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"session_id": session_id,
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"user_id": user_id,
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"created_at": datetime.utcnow(),
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"expires_at": datetime.utcnow() + timedelta(days=7)
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})
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# Définir le cookie de session
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response.set_cookie(
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key="session_id",
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value=session_id,
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httponly=True,
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max_age=7*24*60*60, # 7 jours
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samesite="lax"
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)
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return {"success": True, "username": username, "user_id": user_id}
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except HTTPException as he:
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raise he
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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async def get_current_user(request: Request):
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session_id = request.cookies.get("session_id")
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if not session_id:
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raise HTTPException(status_code=401, detail="Non authentifié")
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# Vérifier si la session existe et n'est pas expirée
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session = db.sessions.find_one({
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"session_id": session_id,
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"expires_at": {"$gt": datetime.utcnow()}
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})
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if not session:
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raise HTTPException(status_code=401, detail="Session expirée ou invalide")
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user = db.users.find_one({"_id": ObjectId(session["user_id"])})
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if not user:
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raise HTTPException(status_code=401, detail="Utilisateur non trouvé")
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return user
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# Endpoint pour déconnexion
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@app.post("/api/logout")
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async def logout(request: Request, response: Response):
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session_id = request.cookies.get("session_id")
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if session_id:
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db.sessions.delete_one({"session_id": session_id})
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response.delete_cookie(key="session_id")
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return {"success": True}
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@app.post("/api/register")
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async def register(request: Request):
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try:
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data = await request.json()
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# Validation
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required_fields = ["prenom", "nom", "email", "password"]
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for field in required_fields:
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if not data.get(field):
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raise HTTPException(status_code=400, detail=f"Le champ {field} est requis")
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# Vérifier si l'email existe déjà
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existing_user = db.users.find_one({"email": data["email"]})
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if existing_user:
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raise HTTPException(status_code=409, detail="Cet email est déjà utilisé")
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# Hash du mot de passe (installer passlib avec pip install passlib[bcrypt])
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hashed_password = bcrypt.hash(data["password"])
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# Insérer l'utilisateur
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user = {
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"prenom": data["prenom"],
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"nom": data["nom"],
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"email": data["email"],
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"password": hashed_password,
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"createdAt": datetime.utcnow()
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}
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result = db.users.insert_one(user)
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return {"message": "Utilisateur créé avec succès", "userId": str(result.inserted_id)}
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except HTTPException as he:
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# Re-lever les HTTPException pour FastAPI les traite
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raise he
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except Exception as e:
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# Logging détaillé pour débogage
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import traceback
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print(f"Erreur lors de l'inscription: {str(e)}")
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print(traceback.format_exc())
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raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
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# Par cette solution utilisant l'API d'inférence directement:
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@app.post("/api/embed")
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async def embed(request: Request):
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data = await request.json()
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texts = data.get("texts", [])
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try:
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# Si vous utilisez un embedder personnalisé
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# embeddings = embedder.encode(texts).tolist()
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# Pour déboguer, renvoyez simplement un embedding fictif
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dummy_embedding = [[0.1, 0.2, 0.3] for _ in range(len(texts))]
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return {"embeddings": dummy_embedding}
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except Exception as e:
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return {"error": str(e)}
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@app.get("/invert")
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async def invert(text: str):
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"inverted": text[::-1],
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}
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HF_TOKEN = os.getenv('REACT_APP_HF_TOKEN')
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if not HF_TOKEN:
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raise RuntimeError("Le token Hugging Face (HF_TOKEN) n'est pas défini dans les variables d'environnement.")
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| 192 |
# Initialisation du client HF
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| 193 |
+
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+
# Par cette version correcte
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hf_client = InferenceClient(token=HF_TOKEN)
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@app.post("/api/chat")
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async def chat(request: Request):
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data = await request.json()
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user_message = data.get("message", "").strip()
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| 201 |
if not user_message:
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from fastapi import HTTPException
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| 203 |
raise HTTPException(status_code=400, detail="Le champ 'message' est requis.")
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try:
|
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+
# Utiliser l'API HF standard sans provider
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| 207 |
+
response = hf_client.text_generation(
|
| 208 |
model="mistralai/Mistral-7B-Instruct-v0.3",
|
| 209 |
+
prompt=f"<s>[INST] Tu es un assistant médical spécialisé en schizophrénie. Réponds à cette question: {user_message} [/INST]",
|
| 210 |
+
max_new_tokens=512,
|
| 211 |
+
temperature=0.7
|
|
|
|
|
|
|
|
|
|
| 212 |
)
|
| 213 |
+
|
| 214 |
+
return {"response": response}
|
| 215 |
+
|
|
|
|
| 216 |
except Exception as e:
|
| 217 |
+
from fastapi import HTTPException
|
| 218 |
+
import traceback
|
| 219 |
+
print(f"Erreur détaillée: {traceback.format_exc()}") # Log détaillé de l'erreur
|
| 220 |
+
raise HTTPException(status_code=502, detail=f"Erreur d'inférence HF : {str(e)}")
|
| 221 |
|
| 222 |
|
| 223 |
@app.get("/data")
|
|
|
|
| 226 |
return JSONResponse(data)
|
| 227 |
|
| 228 |
|
|
|
|
| 229 |
|
| 230 |
+
# Ou ajoutez un index minimal
|
| 231 |
+
@app.get("/")
|
| 232 |
+
def read_root():
|
| 233 |
+
return {"message": "API Medically fonctionnelle", "endpoints": ["/api/chat", "/invert", "/data"]}
|
| 234 |
if __name__ == "__main__":
|
| 235 |
import uvicorn
|
| 236 |
|
|
|
|
| 242 |
reload=args.reload,
|
| 243 |
ssl_certfile=args.ssl_certfile,
|
| 244 |
ssl_keyfile=args.ssl_keyfile,
|
| 245 |
+
)
|
| 246 |
+
|
| 247 |
+
|
| 248 |
+
# Endpoint pour récupérer toutes les conversations d'un utilisateur
|
| 249 |
+
@app.get("/api/conversations")
|
| 250 |
+
async def get_conversations(current_user: dict = Depends(get_current_user)):
|
| 251 |
+
try:
|
| 252 |
+
user_id = str(current_user["_id"])
|
| 253 |
+
# Récupération des conversations triées par date (les plus récentes d'abord)
|
| 254 |
+
conversations = list(db.conversations.find(
|
| 255 |
+
{"user_id": user_id},
|
| 256 |
+
{"_id": 1, "title": 1, "date": 1, "time": 1, "last_message": 1, "created_at": 1}
|
| 257 |
+
).sort("created_at", -1))
|
| 258 |
+
|
| 259 |
+
# Convertir les ObjectId en strings pour la sérialisation JSON
|
| 260 |
+
for conv in conversations:
|
| 261 |
+
conv["_id"] = str(conv["_id"])
|
| 262 |
+
|
| 263 |
+
return {"conversations": conversations}
|
| 264 |
+
except Exception as e:
|
| 265 |
+
raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
|
| 266 |
+
|
| 267 |
+
# Endpoint pour sauvegarder une nouvelle conversation
|
| 268 |
+
@app.post("/api/conversations")
|
| 269 |
+
async def create_conversation(request: Request, current_user: dict = Depends(get_current_user)):
|
| 270 |
+
try:
|
| 271 |
+
data = await request.json()
|
| 272 |
+
user_id = str(current_user["_id"])
|
| 273 |
+
|
| 274 |
+
# Créer la nouvelle conversation
|
| 275 |
+
conversation = {
|
| 276 |
+
"user_id": user_id,
|
| 277 |
+
"title": data.get("title", "Nouvelle conversation"),
|
| 278 |
+
"date": data.get("date"),
|
| 279 |
+
"time": data.get("time"),
|
| 280 |
+
"last_message": data.get("message", ""),
|
| 281 |
+
"created_at": datetime.utcnow()
|
| 282 |
+
}
|
| 283 |
+
|
| 284 |
+
result = db.conversations.insert_one(conversation)
|
| 285 |
+
|
| 286 |
+
# Retourner l'ID de la conversation créée
|
| 287 |
+
return {"conversation_id": str(result.inserted_id)}
|
| 288 |
+
except Exception as e:
|
| 289 |
+
raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
|
| 290 |
+
|
| 291 |
+
# Endpoint pour sauvegarder un message dans une conversation
|
| 292 |
+
@app.post("/api/conversations/{conversation_id}/messages")
|
| 293 |
+
async def add_message(conversation_id: str, request: Request, current_user: dict = Depends(get_current_user)):
|
| 294 |
+
try:
|
| 295 |
+
data = await request.json()
|
| 296 |
+
user_id = str(current_user["_id"])
|
| 297 |
+
|
| 298 |
+
# Debug pour vérifier les données
|
| 299 |
+
print(f"Ajout message: conversation_id={conversation_id}, sender={data.get('sender')}, text={data.get('text')[:20]}...")
|
| 300 |
+
|
| 301 |
+
# Vérifier que la conversation appartient à l'utilisateur
|
| 302 |
+
conversation = db.conversations.find_one({
|
| 303 |
+
"_id": ObjectId(conversation_id),
|
| 304 |
+
"user_id": user_id
|
| 305 |
+
})
|
| 306 |
+
|
| 307 |
+
if not conversation:
|
| 308 |
+
raise HTTPException(status_code=404, detail="Conversation non trouvée")
|
| 309 |
+
|
| 310 |
+
# Ajouter le message
|
| 311 |
+
message = {
|
| 312 |
+
"conversation_id": conversation_id,
|
| 313 |
+
"user_id": user_id,
|
| 314 |
+
"sender": data.get("sender", "user"),
|
| 315 |
+
"text": data.get("text", ""),
|
| 316 |
+
"timestamp": datetime.utcnow()
|
| 317 |
+
}
|
| 318 |
+
|
| 319 |
+
db.messages.insert_one(message)
|
| 320 |
+
|
| 321 |
+
# Mettre à jour la dernière activité de la conversation
|
| 322 |
+
db.conversations.update_one(
|
| 323 |
+
{"_id": ObjectId(conversation_id)},
|
| 324 |
+
{"$set": {"last_message": data.get("text", ""), "updated_at": datetime.utcnow()}}
|
| 325 |
+
)
|
| 326 |
+
|
| 327 |
+
return {"success": True}
|
| 328 |
+
except Exception as e:
|
| 329 |
+
print(f"Erreur lors de l'ajout d'un message: {str(e)}")
|
| 330 |
+
raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
|
| 331 |
+
|
| 332 |
+
# Endpoint pour récupérer les messages d'une conversation
|
| 333 |
+
@app.get("/api/conversations/{conversation_id}/messages")
|
| 334 |
+
async def get_messages(conversation_id: str, current_user: dict = Depends(get_current_user)):
|
| 335 |
+
try:
|
| 336 |
+
user_id = str(current_user["_id"])
|
| 337 |
+
|
| 338 |
+
# Vérifier que la conversation appartient à l'utilisateur
|
| 339 |
+
conversation = db.conversations.find_one({
|
| 340 |
+
"_id": ObjectId(conversation_id),
|
| 341 |
+
"user_id": user_id
|
| 342 |
+
})
|
| 343 |
+
|
| 344 |
+
if not conversation:
|
| 345 |
+
raise HTTPException(status_code=404, detail="Conversation non trouvée")
|
| 346 |
+
|
| 347 |
+
# Récupérer les messages
|
| 348 |
+
messages = list(db.messages.find(
|
| 349 |
+
{"conversation_id": conversation_id}
|
| 350 |
+
).sort("timestamp", 1)) # Du plus ancien au plus récent
|
| 351 |
+
|
| 352 |
+
# Convertir les ObjectId en strings pour la sérialisation JSON
|
| 353 |
+
for msg in messages:
|
| 354 |
+
msg["_id"] = str(msg["_id"])
|
| 355 |
+
if "timestamp" in msg:
|
| 356 |
+
msg["timestamp"] = msg["timestamp"].isoformat()
|
| 357 |
+
|
| 358 |
+
return {"messages": messages}
|
| 359 |
+
except Exception as e:
|
| 360 |
+
raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
|
| 361 |
+
|
| 362 |
+
@app.delete("/api/conversations/{conversation_id}")
|
| 363 |
+
async def delete_conversation(conversation_id: str, current_user: dict = Depends(get_current_user)):
|
| 364 |
+
try:
|
| 365 |
+
user_id = str(current_user["_id"])
|
| 366 |
+
|
| 367 |
+
# Vérifier que la conversation appartient à l'utilisateur
|
| 368 |
+
result = db.conversations.delete_one({
|
| 369 |
+
"_id": ObjectId(conversation_id),
|
| 370 |
+
"user_id": user_id
|
| 371 |
+
})
|
| 372 |
+
|
| 373 |
+
if result.deleted_count == 0:
|
| 374 |
+
raise HTTPException(status_code=404, detail="Conversation non trouvée")
|
| 375 |
+
|
| 376 |
+
# Supprimer également tous les messages associés
|
| 377 |
+
db.messages.delete_many({"conversation_id": conversation_id})
|
| 378 |
+
|
| 379 |
+
return {"success": True}
|
| 380 |
+
except Exception as e:
|
| 381 |
+
raise HTTPException(status_code=500, detail=f"Erreur serveur: {str(e)}")
|