2homeTask.py - master - sansan1ch/2HomeTaskOOP

2homeTask.py
137 строк4 KB
Netology
first_commit
04 фев 2026, 08:21
04 фев 2026, 08:21f9366fa
def read_cook_book(filename):
    
    cook_book = {}
    
    with open(filename, 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):
                ingredient_line = file.readline().strip()
                name, quantity, measure = [part.strip() for part in ingredient_line.split('|')]
                ingredients.append({
                    'ingredient_name': name,
                    'quantity': int(quantity),
                    'measure': measure
                })
            
            cook_book[dish_name] = ingredients
            
            
            file.readline()
    
    return cook_book


def get_shop_list_by_dishes(cook_book, dishes, person_count):
    
    shop_list = {}
    
    for dish in dishes:
        if dish not in cook_book:
            print(f"Блюдо '{dish}' не найдено в книге рецептов.")
            continue
        
        for ingredient in cook_book[dish]:
            name = ingredient['ingredient_name']
            measure = ingredient['measure']
            quantity = ingredient['quantity'] * person_count
            
            if name in shop_list:
                shop_list[name]['quantity'] += quantity
            else:
                shop_list[name] = {
                    'measure': measure,
                    'quantity': quantity
                }
    
    return shop_list


def merge_files(file_list, output_filename):
    
    files_info = []
    for filename in file_list:
        with open(filename, encoding='utf-8') as f:
            lines = f.readlines()
            files_info.append((filename, len(lines), lines))
    
    files_info.sort(key=lambda x: x[1])
    
    
    with open(output_filename, 'w', encoding='utf-8') as out_file:
        for filename, line_count, lines in files_info:
            out_file.write(f"{filename}\n")
            out_file.write(f"{line_count}\n")
            out_file.writelines(lines)
            if filename != files_info[-1][0]:
                out_file.write('\n')


if __name__ == '__main__':
    # === Задача 1 ===
    print("ЗАДАЧА 1: Чтение книги рецептов из файла 'recipes.txt'")
    
    cook_book = read_cook_book('recipes.txt')
    
    
    for dish, ingredients in cook_book.items():
        print(f"\n{dish}:")
        for ing in ingredients:
            print(f"  {ing['ingredient_name']} — {ing['quantity']} {ing['measure']}")
    
    # === Задача 2 ===
    
    print("ЗАДАЧА 2: Формирование списка покупок")
    
    dishes = ['Запеченный картофель', 'Омлет']
    person_count = 2
    print(f"\nБлюда: {', '.join(dishes)}")
    print(f"Количество персон: {person_count}\n")
    
    shop_list = get_shop_list_by_dishes(cook_book, dishes, person_count)
    
    
    for ingredient in sorted(shop_list.keys()):
        info = shop_list[ingredient]
        print(f"{ingredient}: {info['quantity']} {info['measure']}")
    
    # === Задача 3 ===
    
    print("\n")
    print("ЗАДАЧА 3: Объединение файлов (пример)")
    
    
    test_files = {
        '1.txt': ['Строка номер 1 файла номер 1', 'Строка номер 2 файла номер 1'],
        '2.txt': ['Строка номер 1 файла номер 2'],
        '3.txt': [
            'Строка номер 1 файла номер 3',
            'Строка номер 2 файла номер 3',
            'Строка номер 3 файла номер 3'
        ]
    }
    
    for fname, lines in test_files.items():
        with open(fname, 'w', encoding='utf-8') as f:
            f.write('\n'.join(lines))
        print(f"Создан файл '{fname}' с {len(lines)} строками")
    
    
    merge_files(['1.txt', '2.txt', '3.txt'], 'result.txt')
    print("\nФайлы объединены в 'result.txt' (отсортированы по количеству строк)")
    
    
    print("\nСодержимое файла 'result.txt':")
    print("-" * 60)
    with open('result.txt', encoding='utf-8') as f:
        print(f.read())
    print("-" * 60)