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Update app.py
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app.py
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@@ -8,9 +8,14 @@ from dotenv import load_dotenv
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from sqlalchemy import create_engine, text
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import pandas as pd
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from typing import Dict
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# 🔹 Charger les variables d'environnement
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load_dotenv()
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@@ -35,8 +40,10 @@ llm = ChatMistralAI(
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verbose=True
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)
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# 🔹 Configuration de la base de données
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try:
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engine = create_engine(db_url)
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db = SQLDatabase.from_uri(db_url)
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@@ -44,8 +51,17 @@ try:
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except Exception as e:
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print(f"Erreur lors de la connexion à la base de données : {e}")
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# 🔹 Définition du graphe LangGraph
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class QueryState(TypedDict):
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from sqlalchemy import create_engine, text
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import pandas as pd
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from typing import Dict
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import mysql.connector
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import os
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from dotenv import load_dotenv
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from langchain_mistralai.chat_models import ChatMistralAI
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from langchain_community.utilities import SQLDatabase
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from sqlalchemy import create_engine
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import mysql.connector
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# 🔹 Charger les variables d'environnement
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load_dotenv()
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verbose=True
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)
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# 🔹 Configuration de la base de données MySQL
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# Utiliser mysql-connector-python avec SQLAlchemy
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db_url = f"mysql+mysqlconnector://{user}:{password}@{server}/{database}"
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try:
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engine = create_engine(db_url)
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db = SQLDatabase.from_uri(db_url)
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except Exception as e:
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print(f"Erreur lors de la connexion à la base de données : {e}")
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# Si tu veux tester une connexion directe sans SQLAlchemy
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try:
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conn = mysql.connector.connect(
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host=server,
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user=user,
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password=password,
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database=database
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)
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print("Connexion réussie à la base de données MySQL !")
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except mysql.connector.Error as err:
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print(f"Erreur de connexion : {err}")
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# 🔹 Définition du graphe LangGraph
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class QueryState(TypedDict):
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