Spaces:
Sleeping
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app
Browse files
app.py
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from fastapi import FastAPI
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from fastapi.staticfiles import StaticFiles
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app = FastAPI()
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#
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app.mount("/", StaticFiles(directory="static", html=True), name="static")
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from fastapi import FastAPI, File, UploadFile
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from fastapi.responses import JSONResponse, RedirectResponse
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from fastapi.staticfiles import StaticFiles
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from transformers import pipeline
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import shutil
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import os
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import logging
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from fastapi.middleware.cors import CORSMiddleware
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from PyPDF2 import PdfReader
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import docx
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from PIL import Image # Pour ouvrir les images avant analyse
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from pydantic import BaseModel
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# Configuration du logging
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logging.basicConfig(level=logging.INFO)
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app = FastAPI()
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# Configuration CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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UPLOAD_DIR = "uploads"
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os.makedirs(UPLOAD_DIR, exist_ok=True)
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# Charger les modèles avec gestion des erreurs
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try:
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summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
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logging.info("✅ Modèle de résumé chargé avec succès !")
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except Exception as e:
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summarizer = None
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logging.error(f"❌ Erreur chargement modèle résumé : {e}")
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try:
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image_captioning = pipeline("image-to-text", model="nlpconnect/vit-gpt2-image-captioning")
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logging.info("✅ Modèle d'image chargé avec succès !")
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except Exception as e:
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image_captioning = None
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logging.error(f"❌ Erreur chargement modèle image : {e}")
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try:
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translator = pipeline("translation", model="facebook/m2m100_418M")
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logging.info("✅ Modèle de traduction chargé avec succès !")
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except Exception as e:
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translator = None
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logging.error(f"❌ Erreur chargement modèle traduction : {e}")
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# ✅ Déclare les routes AVANT le montage des fichiers statiques
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@app.post("/summarize/")
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async def summarize_document(file: UploadFile = File(...)):
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logging.info(f"📂 Requête reçue - Fichier : {file.filename}")
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file_path = os.path.join(UPLOAD_DIR, file.filename)
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with open(file_path, "wb") as buffer:
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shutil.copyfileobj(file.file, buffer)
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text = ""
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if file.filename.endswith(".txt"):
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with open(file_path, "r", encoding="utf-8") as f:
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text = f.read()
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elif file.filename.endswith(".pdf"):
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try:
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reader = PdfReader(file_path)
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text = "\n".join([page.extract_text() or "" for page in reader.pages]).strip()
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except Exception as e:
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logging.error(f"❌ Erreur lecture PDF : {e}")
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return JSONResponse(content={"error": "Impossible de lire le PDF"}, status_code=400)
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elif file.filename.endswith(".docx"):
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try:
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doc = docx.Document(file_path)
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text = "\n".join([para.text for para in doc.paragraphs]).strip()
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except Exception as e:
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logging.error(f"❌ Erreur lecture DOCX : {e}")
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return JSONResponse(content={"error": "Impossible de lire le fichier DOCX"}, status_code=400)
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else:
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return JSONResponse(content={"error": "Format de fichier non supporté"}, status_code=400)
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if not text:
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logging.error("❌ Le fichier ne contient pas de texte lisible")
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return JSONResponse(content={"error": "Le fichier est vide ou non lisible"}, status_code=400)
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# Tronquer le texte pour éviter l'erreur "IndexError: index out of range"
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max_input_length = 1024 # Limite du modèle
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text = text[:max_input_length] # Tronquer le texte s'il est trop long
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try:
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summary = summarizer(text, max_length=150, min_length=50, do_sample=False)[0]["summary_text"]
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return JSONResponse(content={"summary": summary})
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except Exception as e:
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logging.error(f"❌ Erreur lors du résumé : {e}")
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return JSONResponse(content={"error": "Échec du résumé. Texte trop long ou format invalide."}, status_code=500)
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@app.post("/interpret/")
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async def interpret_image(file: UploadFile = File(...)):
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logging.info(f"📂 Requête reçue - Image : {file.filename}")
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file_path = os.path.join(UPLOAD_DIR, file.filename)
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with open(file_path, "wb") as buffer:
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shutil.copyfileobj(file.file, buffer)
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try:
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with Image.open(file_path) as img: # Charger l'image correctement
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caption = image_captioning(img)[0]["generated_text"]
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return JSONResponse(content={"caption": caption})
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except Exception as e:
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logging.error(f"❌ Erreur interprétation image : {e}")
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return JSONResponse(content={"error": "Échec de l'analyse de l'image"}, status_code=400)
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class TranslationRequest(BaseModel):
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text: str
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source_lang: str
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target_lang: str
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@app.post("/translate/")
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async def translate_text(request: TranslationRequest):
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if not request.text.strip():
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return JSONResponse(content={"error": "Texte vide"}, status_code=400)
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if translator is None:
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return JSONResponse(content={"error": "Modèle de traduction non disponible"}, status_code=500)
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try:
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translated_text = translator(request.text, src_lang=request.source_lang, tgt_lang=request.target_lang)[0]["translation_text"]
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return JSONResponse(content={"translated_text": translated_text})
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except Exception as e:
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logging.error(f"❌ Erreur de traduction : {e}")
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return JSONResponse(content={"error": "Échec de la traduction"}, status_code=500)
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# ✅ Déplace ici le montage des fichiers statiques
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app.mount("/", StaticFiles(directory="static", html=True), name="static")
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# Redirection vers index.html
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@app.get("/")
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async def root():
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return RedirectResponse(url="/index.html")
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