app/model.py

import joblib
import os

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
MODEL_DIR = os.path.join(BASE_DIR, "models")

vectorizer = None
model = None


def load_model():
    global vectorizer, model

    if vectorizer is None or model is None:
        vectorizer = joblib.load(os.path.join(MODEL_DIR, "tfidf_vectorizer.pkl"))
        model = joblib.load(os.path.join(MODEL_DIR, "logistic_model.pkl"))

    return vectorizer, model