Task_02.py - master - Karaul-2006/OpenReadWriteFile

Task_02.py
48 строк2 KB
Semenov Vladimir
Task2.py added
19 июл 2026, 08:39
19 июл 2026, 08:391910591
class CookBook():
    def __init__(self, file_name, name) -> None:
        self.cook_book_dict = {}
        self.name = name
        with open('recipes.txt', encoding = 'utf-8') as f:
            line_curr = ''
            while True:
                line_next = f.readline().strip()
                if not (line_curr or line_next) : break
                line_curr = line_next
                if not line_curr: continue
                if line_curr.isnumeric(): continue
                if '|' in line_curr:
                    ingr_list = line_curr.split(' | ')
                    ingr_dict = {'ingredient_name': ingr_list[0], 'quantity': int(ingr_list[1]), 'measure': ingr_list[2]}
                    self.cook_book_dict[food_curr].append(ingr_dict)
                else:
                    food_curr = line_curr
                    self.cook_book_dict[food_curr] = []
    
    def __str__(self) -> str:
        rez_str = self.name + ' = {'
        n_food = 0
        for food in self.cook_book_dict:
            if n_food > 0: rez_str = f"{rez_str},"
            rez_str = f"{rez_str}\n  '{food}': ["
            n_food += 1
            for ingr in self.cook_book_dict[food]:
                 rez_str = f"{rez_str}\n    {ingr}"
            rez_str = rez_str + "\n    ]"
        rez_str = rez_str + "\n}"
        return rez_str

    def get_shop_list_by_dishes(self, dishes, person_count):
        ingr_dict = {}
        for dish in dishes:
            for ingredient in self.cook_book_dict[dish]:
                if ingredient['ingredient_name'] in ingr_dict:
                    ingr_dict[ingredient['ingredient_name']]['quantity'] += ingredient['quantity'] * person_count
                else:
                    ingr_dict[ingredient['ingredient_name']] = {'measure': ingredient['measure'], 'quantity': ingredient['quantity'] * person_count}
        return ingr_dict

cook_book = CookBook('recipes.txt', 'cook_book')
print (cook_book)

food_list = ['Запеченный картофель', 'Омлет']
print('\n' + str(cook_book.get_shop_list_by_dishes(food_list, 2)))