second_task.py - master - RecentFellowKid/Opening_and_Reading

second_task.py
63 строки2 KB
RecentFellowKid
Initial commit
11 авг 2025, 03:53
11 авг 2025, 03:532abaeab
def load_cook_book_from_file():
    cook_book = {}

    with open('recipes.txt', 'r', encoding='utf-8') as file:
        while True:
            dish_name = file.readline().strip()
            if not dish_name:
                break

            ingredients_count = int(file.readline().strip())
            ingredients = []

            for _ in range(ingredients_count):
                ingredient_data = file.readline().strip().split('|')
                ingredient_name = ingredient_data[0].strip()
                quantity = int(ingredient_data[1].strip())
                measure = ingredient_data[2].strip()
                ingredients.append({
                    'ingredient_name': ingredient_name,
                    'quantity': quantity,
                    'measure': measure
                })

            cook_book[dish_name] = ingredients
            file.readline()

    return cook_book


def get_shop_list_by_dishes(dishes, person_count):
    cook_book = load_cook_book_from_file()
    missing_dishes = set(dishes) - set(cook_book.keys())

    if missing_dishes:
        raise ValueError(f"Блюда {missing_dishes} отсутствуют в книге рецептов!")

    shop_list = {}

    for dish in dishes:
        ingredients = cook_book[dish]

        for ingredient in ingredients:
            ingredient_name = ingredient["ingredient_name"]
            measure = ingredient["measure"]
            base_quantity = ingredient["quantity"]

            total_quantity = base_quantity * person_count

            if ingredient_name in shop_list:
                shop_list[ingredient_name]["quantity"] += total_quantity
            else:
                shop_list[ingredient_name] = {"measure": measure, "quantity": total_quantity}

    return shop_list


if __name__ == "__main__":
    dishes_to_prepare = ['Запеченный картофель', 'Омлет']
    number_of_people = 2

    shopping_list = get_shop_list_by_dishes(dishes_to_prepare, number_of_people)

    print(shopping_list)