Ищу утилиту для Linux

Connecting to aaa.bb (aaa.bb)|88.88.88.88|:443... connected.
HTTP request sent, awaiting response... 304 Not Modified
File 'cccc.ddd' not modified on server. Omitting download.

#!/usr/bin/env python3

import argparse
import requests
import os
import hashlib
import tempfile
from datetime import datetime
from pathlib import Path
from typing import Optional, NamedTuple
from urllib.parse import urlparse, unquote

class FileInfo(NamedTuple):
    last_modified: str
    size: int
    md5: str

def get_file_info(file_path: str) -> Optional[FileInfo]:
    file_stat = os.stat(file_path)
    last_modified = datetime.utcfromtimestamp(file_stat.st_mtime).strftime('%a, %d %b %Y %H:%M:%S GMT')
    size = file_stat.st_size
    md5 = hashlib.md5(open(file_path, 'rb').read()).hexdigest()
    return FileInfo(last_modified, size, md5)

def save_file(response: requests.Response, file_path: str) -> None:
    if response.status_code == 200:
        with open(file_path, 'wb') as f:
            for chunk in response.iter_content(chunk_size=8192):
                f.write(chunk)

def check_file_integrity(file_path: str, size: int, md5: str) -> bool:
    new_size = os.path.getsize(file_path)
    new_md5 = hashlib.md5(open(file_path, 'rb').read()).hexdigest()
    return new_size == size and new_md5 == md5

def replace_file_if_needed(url: str, file_path: str) -> None:
    file_info = get_file_info(file_path) if os.path.exists(file_path) else None
    last_modified = file_info.last_modified if file_info else None
    headers = {'If-Modified-Since': last_modified} if last_modified else {}

    response = requests.get(url, headers=headers, stream=True)
    if response.status_code == 304:
        print(f"Файл {file_path} не изменился.")
        return

    with tempfile.NamedTemporaryFile(delete=False) as temp_file:
        temp_path = temp_file.name

    save_file(response, temp_path)

    if file_info and check_file_integrity(temp_path, file_info.size, file_info.md5):
        print(f"Файл {file_path} не изменился.")
        os.remove(temp_path)
        return

    os.replace(temp_path, file_path)
    print(f"Файл {file_path} успешно обновлен.")

def main() -> None:
    parser = argparse.ArgumentParser(description="Скачивание файла с проверкой на изменение.")
    parser.add_argument('url', type=str, help="URL для скачивания файла")
    parser.add_argument('-D', '--directory', type=str, default=str(Path.cwd()), help="Каталог для сохранения файла")
    parser.add_argument('-O', '--output', type=str, default=None, help="Путь к файлу для сохранения")

    args = parser.parse_args()

    if args.output is None:
        url_path = urlparse(args.url).path
        file_name = unquote(os.path.basename(url_path))
        final_file_path = os.path.join(args.directory, file_name)
    else:
        final_file_path = args.output

    replace_file_if_needed(args.url, final_file_path)

if __name__ == "__main__":
    main()