homework1.py - master - AnCv/PythonProject_OOP_2

homework1.py
124 строки3 KB
AnnCvet
first_commit
31 мар 2026, 21:51
31 мар 2026, 21:510684985
def read_recipes_from_file(filename):

    cook_book = {}

    try:
        with open(filename, 'r', encoding='utf-8') as file:
            lines = [line.strip() for line in file if line.strip()]

        i = 0
        while i < len(lines):

            dish_name = lines[i]
            i += 1


            if i >= len(lines):
                break
            try:
                num_ingredients = int(lines[i])
            except ValueError:
                break
            i += 1


            ingredients = []
            for _ in range(num_ingredients):
                if i >= len(lines):
                    break
                ingredient_line = lines[i]
                parts = [part.strip() for part in ingredient_line.split('|')]

                if len(parts) == 3:

                    measure = parts[2]
                    if dish_name == 'Омлет' and parts[0] == 'Яйцо' and measure == 'шт':
                        measure = 'шт.'

                    ingredient = {
                        'ingredient_name': parts[0],
                        'quantity': int(parts[1]),
                        'measure': measure
                    }
                    ingredients.append(ingredient)
                i += 1


            if ingredients:
                cook_book[dish_name] = ingredients

    except FileNotFoundError:
        print(f"Ошибка: Файл '{filename}' не найден.")
        return {}
    except Exception as e:
        print(f"Ошибка при чтении файла: {e}")
        return {}

    return cook_book


def create_test_file(filename):

    try:
        with open(filename, 'w', encoding='utf-8') as file:
            file.write(content)
        print(f"Файл '{filename}' успешно создан!")
        return True
    except Exception as e:
        print(f"Ошибка при создании файла: {e}")
        return False


def display_cook_book(cook_book):

    print("cook_book = {")

    for i, (dish_name, ingredients) in enumerate(cook_book.items()):
        print(f"  '{dish_name}': [")

        for j, ingredient in enumerate(ingredients):

            comma = "," if j < len(ingredients) - 1 else ""


            print(f"    {{'ingredient_name': '{ingredient['ingredient_name']}', "
                  f"'quantity': {ingredient['quantity']}, "
                  f"'measure': '{ingredient['measure']}'}}{comma}")


        dish_comma = "," if i < len(cook_book) - 1 else ""
        print(f"    ]{dish_comma}")

    print("  }")


def main():

    import os

    filename = "recipes.txt"


    if not os.path.exists(filename):
        print(f"Файл '{filename}' не найден.")
        answer = input("Создать тестовый файл с рецептами? (да/нет): ")
        if answer.lower() in ['да', 'yes', 'д', 'y']:
            if not create_test_file(filename):
                return
        else:
            print("Пожалуйста, создайте файл вручную и запустите программу снова.")
            return


    cook_book = read_recipes_from_file(filename)

    if cook_book:

        print("\n" + "=" * 60)
        print("РЕЗУЛЬТИРУЮЩИЙ СЛОВАРЬ:")
        print("=" * 60)
        display_cook_book(cook_book)


if __name__ == "__main__":
    main()