file 2.py - master - Denis86/File2

file 2.py
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Denis86
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18 июн 2025, 23:04
18 июн 2025, 23:04e6f928e
def parse_ingredient_line(line):
    name, quantity, measure = map(str.strip, line.split('|'))
    return {
        'ingredient_name': name,
        'quantity': int(quantity),
        'measure': measure
    }

def read_recipes(file_path):
    cook_book = {}

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

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

            for _ in range(ingredient_count):
                line = file.readline().strip()
                if line:
                    ingredients.append(parse_ingredient_line(line))
            cook_book[dish_name] = ingredients
            file.readline()

    return cook_book

def print_cook_book(cook_book):
    print('{')
    for dish, ingredients in cook_book.items():
        print(f"  '{dish}': [")
        for ing in ingredients:
            print(f"    {ing},")
        print("  ],")
    print('}')


def get_shop_list_by_dishes(dishes, person_count):
    cook_book = read_recipes('recipes.txt')
    shop_list = {}

    for dish in dishes:
        if dish not in cook_book:
            print(f"Блюдо '{dish}' не найдено в кулинарной книге!")
            continue

        for ingredient in cook_book[dish]:
            name = ingredient['ingredient_name']
            measure = ingredient['measure']
            quantity = ingredient['quantity'] * person_count

            if name in shop_list:

                if shop_list[name]['measure'] != measure:
                    print(f"Внимание: для ингредиента '{name}' разные единицы измерения! "
                          f"({shop_list[name]['measure']} vs {measure})")
                shop_list[name]['quantity'] += quantity
            else:
                shop_list[name] = {'measure': measure, 'quantity': quantity}

    return shop_list

def main():
    try:
        cook_book = read_recipes('recipes.txt')
        print_cook_book(cook_book)

        dishes = ['Запеченный картофель', 'Омлет']
        person_count = 2
        print("Список покупок для блюд:", dishes, "на", person_count, "персон:")
        shop_list = get_shop_list_by_dishes(dishes, person_count)

        print('{')
        for ingredient, details in shop_list.items():
            print(f"  '{ingredient}': {details},")
        print('}')

    except FileNotFoundError:
        print("Ошибка: файл 'recipes.txt' не найден!")
    except Exception as e:
        print(f"Произошла ошибка: {e}")

if __name__ == '__main__':
    main()