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app.py
CHANGED
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@@ -2,8 +2,256 @@ from fastapi import FastAPI
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from fastapi.staticfiles import StaticFiles
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from fastapi.responses import RedirectResponse
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app = FastAPI()
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# Servir les fichiers statiques (HTML, CSS, JS)
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app.mount("/static", StaticFiles(directory="static", html=True), name="static")
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from fastapi.staticfiles import StaticFiles
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from fastapi.responses import RedirectResponse
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from fastapi import FastAPI, File, UploadFile, Form
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from fastapi.responses import JSONResponse, RedirectResponse
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from fastapi.staticfiles import StaticFiles
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from fastapi.middleware.cors import CORSMiddleware
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from transformers import pipeline, M2M100ForConditionalGeneration, M2M100Tokenizer, MarianMTModel, MarianTokenizer
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import shutil
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#
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import os
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import logging
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from PyPDF2 import PdfReader
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import docx
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from PIL import Image
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import openpyxl # 📌 Pour lire les fichiers Excel (.xlsx)
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from pptx import Presentation
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import fitz # PyMuPDF
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import io
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from docx import Document
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import matplotlib.pyplot as plt
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import seaborn as sns
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import torch
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import re
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import pandas as pd
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from transformers import AutoTokenizer, AutoModelForCausalLM
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from fastapi.responses import FileResponse
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import os
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from fastapi.middleware.cors import CORSMiddleware
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import matplotlib
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matplotlib.use('Agg')
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import re
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import torch
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import pandas as pd
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import matplotlib.pyplot as plt
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import seaborn as sns
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from transformers import AutoTokenizer, AutoModelForCausalLM
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from fastapi import FastAPI, File, UploadFile, Form
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from fastapi.responses import FileResponse
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import os
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi import FastAPI, File, UploadFile, Form
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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, M2M100ForConditionalGeneration, M2M100Tokenizer
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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 transformers import MarianMTModel, MarianTokenizer
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import os
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import fitz
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from transformers import M2M100ForConditionalGeneration, M2M100Tokenizer
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import logging
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import openpyxl
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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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from transformers import AutoModelForSeq2SeqLM, AutoTokenizer
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model_name = "facebook/m2m100_418M"
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForSeq2SeqLM.from_pretrained(model_name)
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# Fonction pour extraire le texte
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def extract_text_from_pdf(file):
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doc = fitz.open(stream=file.file.read(), filetype="pdf")
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return "\n".join([page.get_text() for page in doc]).strip()
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def extract_text_from_docx(file):
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doc = Document(io.BytesIO(file.file.read()))
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return "\n".join([para.text for para in doc.paragraphs]).strip()
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def extract_text_from_pptx(file):
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prs = Presentation(io.BytesIO(file.file.read()))
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return "\n".join([shape.text for slide in prs.slides for shape in slide.shapes if hasattr(shape, "text")]).strip()
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def extract_text_from_excel(file):
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wb = openpyxl.load_workbook(io.BytesIO(file.file.read()), data_only=True)
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text = [str(cell) for sheet in wb.worksheets for row in sheet.iter_rows(values_only=True) for cell in row if cell]
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return "\n".join(text).strip()
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@app.post("/translate/")
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async def translate_document(file: UploadFile = File(...), target_lang: str = Form(...)):
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"""API pour traduire un document."""
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try:
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logging.info(f"📥 Fichier reçu : {file.filename}")
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logging.info(f"🌍 Langue cible reçue : {target_lang}")
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if model is None or tokenizer is None:
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return JSONResponse(status_code=500, content={"error": "Modèle de traduction non chargé"})
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# Extraction du texte
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if file.filename.endswith(".pdf"):
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text = extract_text_from_pdf(file)
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elif file.filename.endswith(".docx"):
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text = extract_text_from_docx(file)
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elif file.filename.endswith(".pptx"):
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text = extract_text_from_pptx(file)
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elif file.filename.endswith(".xlsx"):
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text = extract_text_from_excel(file)
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else:
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return JSONResponse(status_code=400, content={"error": "Format non supporté"})
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logging.info(f"📜 Texte extrait : {text[:50]}...")
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if not text:
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return JSONResponse(status_code=400, content={"error": "Aucun texte trouvé dans le document"})
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# Vérifier si la langue cible est supportée
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target_lang_id = tokenizer.get_lang_id(target_lang)
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if target_lang_id is None:
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return JSONResponse(
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status_code=400,
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content={"error": f"Langue cible '{target_lang}' non supportée. Langues disponibles : {list(tokenizer.lang_code_to_id.keys())}"}
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)
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# Traduction
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tokenizer.src_lang = "fr"
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encoded_text = tokenizer(text, return_tensors="pt", padding=True, truncation=True)
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logging.info(f"🔍 ID de la langue cible : {target_lang_id}")
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generated_tokens = model.generate(**encoded_text, forced_bos_token_id=target_lang_id)
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translated_text = tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)[0]
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logging.info(f"✅ Traduction réussie : {translated_text[:50]}...")
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return {"translated_text": translated_text}
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except Exception as e:
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logging.error(f"❌ Erreur lors de la traduction : {e}")
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return JSONResponse(status_code=500, content={"error": "Échec de la traduction"})
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# Charger le modèle pour la génération de code
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codegen_model_name = "Salesforce/codegen-350M-mono"
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device = "cuda" if torch.cuda.is_available() else "cpu"
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codegen_tokenizer = AutoTokenizer.from_pretrained(codegen_model_name)
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codegen_model = AutoModelForCausalLM.from_pretrained(codegen_model_name).to(device)
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VALID_PLOTS = {"histplot", "scatterplot", "barplot", "lineplot", "boxplot"}
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@app.post("/generate_viz/")
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async def generate_viz(file: UploadFile = File(...), query: str = Form(...)):
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try:
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if query not in VALID_PLOTS:
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return {"error": f"Type de graphique invalide. Choisissez parmi : {', '.join(VALID_PLOTS)}"}
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df = pd.read_excel(file.file)
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numeric_cols = df.select_dtypes(include=["number"]).columns
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if len(numeric_cols) < 2:
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return {"error": "Le fichier doit contenir au moins deux colonnes numériques."}
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x_col, y_col = numeric_cols[:2]
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# Contraintes spécifiques pour éviter l'erreur avec histplot
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if query == "histplot":
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prompt_y = ""
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else:
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prompt_y = f', y="{y_col}"'
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# Générer l'invite pour le modèle
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prompt = f"""
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### Génère uniquement du code Python fonctionnel pour tracer un {query} avec Matplotlib et Seaborn ###
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# Contraintes :
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# - Utilise 'df' sans recréer de nouvelles données
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# - Axe X : '{x_col}'
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# - Enregistre le graphique sous 'plot.png'
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# - Ne génère que du code Python valide, sans texte explicatif
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# Contraintes spécifiques pour sns.histplot :
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# - N'inclut pas "y=" car histplot ne supporte qu'un axe
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import matplotlib.pyplot as plt
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import seaborn as sns
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plt.figure(figsize=(8,6))
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sns.{query}(data=df, x="{x_col}"{prompt_y})
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plt.savefig("plot.png")
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plt.close()
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"""
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# Génération du code
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inputs = codegen_tokenizer(prompt, return_tensors="pt").to(device)
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outputs = codegen_model.generate(**inputs, max_new_tokens=120, pad_token_id=codegen_tokenizer.eos_token_id)
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generated_code = codegen_tokenizer.decode(outputs[0], skip_special_tokens=True).strip()
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# Nettoyage du code
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generated_code = re.sub(r"(import matplotlib.pyplot as plt\nimport seaborn as sns\n)+", "import matplotlib.pyplot as plt\nimport seaborn as sns\n", generated_code)
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if generated_code.strip().endswith("sns."):
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generated_code = generated_code.rsplit("\n", 1)[0] # Supprime la dernière ligne incomplète
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print("🔹 Code généré par l'IA :\n", generated_code)
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# Vérification syntaxique avant exécution
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try:
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compile(generated_code, "<string>", "exec")
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except SyntaxError as e:
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return {"error": f"Erreur de syntaxe détectée : {e}\nCode généré :\n{generated_code}"}
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# Vérification des données
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print(df.head()) # Affiche les premières lignes du dataframe
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print(df.dtypes) # Vérifie les types de colonnes
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print(f"Colonne '{x_col}' - Valeurs uniques:", df[x_col].unique())
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if df.empty or x_col not in df.columns or df[x_col].isnull().all():
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return {"error": f"La colonne '{x_col}' est absente ou ne contient pas de données valides."}
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# Exécution du code généré
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exec_env = {"df": df, "plt": plt, "sns": sns, "pd": pd}
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exec(generated_code, exec_env)
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# Vérification de l'image générée
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img_path = "plot.png"
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if not os.path.exists(img_path):
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return {"error": "Le fichier plot.png n'a pas été généré."}
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if os.path.getsize(img_path) == 0:
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return {"error": "Le fichier plot.png est vide."}
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plt.close()
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return FileResponse(img_path, media_type="image/png")
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except Exception as e:
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| 252 |
+
return {"error": f"Erreur lors de la génération du graphique : {str(e)}"}
|
| 253 |
+
|
| 254 |
+
|
| 255 |
# Servir les fichiers statiques (HTML, CSS, JS)
|
| 256 |
app.mount("/static", StaticFiles(directory="static", html=True), name="static")
|
| 257 |
|