task_file_read.py - task-3 - pozzi88/PYAPI_Homework_files

task_file_read.py
62 строки2 KB
viktorm-py
task-2
19 апр 2025, 11:49
19 апр 2025, 11:49fdb976d
import os


def read_recipes_from_file(file_path):

    cook_book = {}

    with open(file_path, 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):
                line = file.readline().strip()
                ingredient_name, quantity, measure = map(str.strip, line.split('|'))
                ingredients.append({
                    'ingredient_name': ingredient_name,
                    'quantity': int(quantity),
                    'measure': measure
                })

            cook_book[dish_name] = ingredients
            file.readline()  
    return cook_book

def get_shop_list_by_dishes(dishes, person_count, cook_book):
    shop_list = {}

    for dish in dishes:
        for ingredient in cook_book[dish]:
            name = ingredient['ingredient_name']
            quantity = ingredient['quantity'] * person_count
            measure = ingredient['measure']
            if name in shop_list:
                shop_list[name]['quantity'] += quantity
            else:
                shop_list[name] = {'measure': measure, 'quantity': quantity}
    return shop_list

def main():
    current_dir = os.path.dirname(__file__) 
    file_path = os.path.join(current_dir, 'recipes.txt')

    cook_book = read_recipes_from_file(file_path)

    for dish, ingredients in cook_book.items():
        print(f'\n{dish}:')
        for item in ingredients:
            print(f"  {item['ingredient_name']}: {item['quantity']} {item['measure']}")

    print("\n\nСписок покупок для 2 персон (Омлет + Запеченный картофель):")
    shopping_list = get_shop_list_by_dishes(['Запеченный картофель', 'Омлет'], 2, cook_book)
    for name, data in shopping_list.items():
        print(f"{name}: {data}")


if __name__ == '__main__':
    main()