main.py - master - Deshead/Homework_Read_files

main.py
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Deshead
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19 июн 2025, 17:36
19 июн 2025, 17:361d537a3
#Задача 1
def get_dict(string):
    blocks = [b.strip() for b in string.split('\n\n') if b.strip()]
    cook_dict = {}
    for block in blocks:
        lines = block.split('\n')
        dish = lines[0]
        try:
            count = int(lines[1])
        except (ValueError, IndexError):
            continue

        ingredients = []
        for i in range(2, 2 + count):
            if i >= len(lines):
                break
            parts = lines[i].split(' | ')
            if len(parts) < 3:
                continue
            ingredient = {
                'ingredient_name': parts[0],
                'quantity': parts[1],
                'measure': parts[2]
            }
            ingredients.append(ingredient)
        cook_dict[dish] = ingredients
    return cook_dict

with open('recipes.txt', 'r', encoding='utf-8') as f:
    txt = f.read()

cook_book = get_dict(txt)
cook_book.pop('Фахитос', None)

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

#Задача 2

from pprint import pprint
cook_book = {}
with open('recipes.txt', 'rt', encoding='utf-8') as file:
    dishes = ''
    for x in file:
        x = x.strip()
        if x.isdigit():
            continue
        elif x and '|' not in x:
            cook_book[x] = []
            dishes = x
        elif x and '|' in x:
            a, b, c = x.split(" | ")
            cook_book.get(dishes).append(dict(ingredient_name=a, quantity=int(b), measure=c))

def get_shop_list_by_dishes(dishes_list, person_count):
    shop_list = {}
    for dish in dishes_list:
        if dish in cook_book:
            for ingredient in cook_book[dish]:
                if ingredient['ingredient_name'] in shop_list:
                    shop_list[ingredient['ingredient_name']]['quantity'] += ingredient['quantity'] * person_count
                else:
                    shop_list[ingredient['ingredient_name']] = ({'measure': ingredient['measure'], 'quantity':
                                                                (ingredient['quantity'] * person_count)})

        else:
            print('Такого блюда нет в книге')
    return shop_list

pprint(get_shop_list_by_dishes(['Запеченный картофель', 'Омлет'], 2))

#Задача 3

import os

def count_lines(filepath):
    with open(filepath, 'r', encoding='utf-8') as f:
        return sum(1 for line in f)

def merge_files_with_metadata(input_files, output_file):

    files_info = []
    for filepath in input_files:
        lines = count_lines(filepath)
        files_info.append((lines, os.path.basename(filepath)))
    files_info.sort()
    with open(output_file, 'w', encoding='utf-8') as out_f:
        for lines, filename in files_info:
            out_f.write(f"{filename}\n{lines}\n")

if __name__ == "__main__":
    input_files = ['1.txt', '2.txt', '3.txt']
    output_file = 'result.txt'

    merge_files_with_metadata(input_files, output_file)