routes/menu.py

import pandas as pd
from utils.file_initializer import MENU_FILE

def load_menu(preferences=None, allergies=None):
    menu = pd.read_excel(MENU_FILE)
    if preferences:
        menu = menu[menu["Preferences"].str.contains(preferences, na=False)]
    if allergies:
        menu = menu[~menu["Allergens"].str.contains(allergies, na=False)]
    return menu