2025-12-12 10:32:06 +03:00
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"""
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Yapfiles Video Downloader Service
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Отдельный микросервис для скачивания видео с yapfiles.ru
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"""
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import os
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import logging
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import re
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import uuid
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from pathlib import Path
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from flask import Flask, request, jsonify
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from flask_cors import CORS
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import requests
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from bs4 import BeautifulSoup
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# Настройка логирования
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logging.basicConfig(
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.INFO
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)
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logger = logging.getLogger(__name__)
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app = Flask(__name__)
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CORS(app)
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# Директория для временных файлов
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DOWNLOADS_DIR = Path('downloads')
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DOWNLOADS_DIR.mkdir(exist_ok=True)
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# User-Agent для запросов
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USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
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def extract_download_url(page_url: str) -> tuple[str, str]:
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"""
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Извлекает прямую ссылку на скачивание видео со страницы yapfiles.ru
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Возвращает tuple (download_url, filename)
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"""
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headers = {
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'User-Agent': USER_AGENT,
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Language': 'ru-RU,ru;q=0.9,en-US;q=0.8,en;q=0.7',
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'Referer': 'https://www.yapfiles.com/',
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}
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logger.info(f"Загружаю страницу: {page_url}")
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response = requests.get(page_url, headers=headers, timeout=30)
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response.raise_for_status()
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soup = BeautifulSoup(response.text, 'html.parser')
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# Ищем ссылку на скачивание в разных местах
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download_url = None
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filename = 'yapfiles_video.mp4'
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# Способ 1: Ищем прямую ссылку в source тегах видеоплеера
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video_tag = soup.find('video')
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if video_tag:
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source = video_tag.find('source')
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if source and source.get('src'):
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download_url = source['src']
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logger.info(f"Найдена ссылка в video/source: {download_url}")
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# Способ 2: Ищем ссылку "Скачать файл" или подобную
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if not download_url:
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download_links = soup.find_all('a', href=True)
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for link in download_links:
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href = link.get('href', '')
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# Ищем ссылки на /files/ с token
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if '/files/' in href and 'token=' in href:
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download_url = href
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if not download_url.startswith('http'):
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# Определяем домен из исходного URL
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domain = 'yapfiles.com' if 'yapfiles.com' in page_url else 'yapfiles.ru'
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download_url = f'https://www.{domain}' + download_url
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logger.info(f"Найдена ссылка на скачивание: {download_url}")
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break
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# Способ 3: Ищем в JavaScript коде
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if not download_url:
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scripts = soup.find_all('script')
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for script in scripts:
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script_text = script.string or ''
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# Ищем паттерны вида /files/...mp4?token=...
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matches = re.findall(r'(https?://[^\s"\'<>]+/files/[^\s"\'<>]+\.mp4\?token=[^\s"\'<>]+)', script_text)
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if matches:
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download_url = matches[0]
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logger.info(f"Найдена ссылка в скрипте: {download_url}")
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break
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# Или относительные пути
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matches = re.findall(r'["\']?(/files/[^\s"\'<>]+\.mp4\?token=[^\s"\'<>]+)["\']?', script_text)
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if matches:
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# Определяем домен из исходного URL
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domain = 'yapfiles.com' if 'yapfiles.com' in page_url else 'yapfiles.ru'
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download_url = f'https://www.{domain}' + matches[0]
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logger.info(f"Найдена относительная ссылка в скрипте: {download_url}")
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break
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# Способ 4: Формируем ссылку на основе URL страницы
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# URL страницы: https://www.yapfiles.com/show/3532099/30faa897f5a34bb58c018f909a6f1fae.mp4.html
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# URL файла: https://www.yapfiles.com/files/3532099/30faa897f5a34bb58c018f909a6f1fae.mp4
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if not download_url:
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match = re.search(r'/show/(\d+)/([^/]+)\.html', page_url)
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if match:
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file_id = match.group(1)
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file_name = match.group(2)
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# Определяем домен из исходного URL
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domain = 'yapfiles.com' if 'yapfiles.com' in page_url else 'yapfiles.ru'
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# Пробуем без токена - иногда работает для публичных файлов
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download_url = f'https://www.{domain}/files/{file_id}/{file_name}'
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logger.info(f"Сформирована ссылка на основе URL: {download_url}")
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if not download_url:
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raise Exception("Не удалось найти ссылку на скачивание видео")
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# Извлекаем имя файла из URL
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url_path = download_url.split('?')[0]
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if '/' in url_path:
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filename = url_path.split('/')[-1]
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if not filename.endswith(('.mp4', '.webm', '.avi', '.mov')):
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filename = 'yapfiles_video.mp4'
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return download_url, filename
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def download_yapfiles_video(url: str, max_retries: int = 3) -> Path:
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"""Скачивает видео с yapfiles.ru"""
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last_error = None
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for attempt in range(max_retries):
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try:
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# Получаем прямую ссылку на скачивание
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download_url, original_filename = extract_download_url(url)
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headers = {
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'User-Agent': USER_AGENT,
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'Accept': '*/*',
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'Accept-Language': 'ru-RU,ru;q=0.9,en-US;q=0.8,en;q=0.7',
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'Referer': url,
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}
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logger.info(f"Yapfiles: скачивание (попытка {attempt + 1}/{max_retries}): {download_url}")
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response = requests.get(download_url, headers=headers, stream=True, timeout=120)
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response.raise_for_status()
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# Проверяем что это действительно видео
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content_type = response.headers.get('Content-Type', '')
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if 'text/html' in content_type:
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raise Exception("Получен HTML вместо видео. Возможно, требуется авторизация или ссылка устарела.")
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# Определяем расширение
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ext = '.mp4'
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if 'video/webm' in content_type:
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ext = '.webm'
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elif 'video/x-matroska' in content_type:
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ext = '.mkv'
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# Создаем имя файла
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safe_filename = re.sub(r'[<>:"/\\|?*]', '', original_filename)[:100]
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if not safe_filename.endswith(ext):
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safe_filename = safe_filename.rsplit('.', 1)[0] + ext
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output_file = DOWNLOADS_DIR / f'{uuid.uuid4()}_{safe_filename}'
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# Сохраняем файл
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with open(output_file, 'wb') as f:
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for chunk in response.iter_content(chunk_size=8192):
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if chunk:
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f.write(chunk)
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logger.info(f"Yapfiles: видео скачано: {output_file}")
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return output_file
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except Exception as e:
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last_error = e
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logger.warning(f"Yapfiles: попытка {attempt + 1}/{max_retries} не удалась: {e}")
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if attempt < max_retries - 1:
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import time
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time.sleep((attempt + 1) * 2)
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raise last_error or Exception("Неизвестная ошибка при скачивании с Yapfiles")
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@app.route('/health', methods=['GET'])
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def health():
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"""Health check endpoint"""
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return jsonify({'status': 'ok', 'service': 'yapfiles-downloader'}), 200
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@app.route('/download/stream', methods=['POST'])
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def download_stream():
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"""Скачивает видео с Yapfiles и возвращает бинарные данные"""
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try:
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data = request.get_json()
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if not data or 'url' not in data:
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return jsonify({'error': 'URL is required'}), 400
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url = data['url']
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logger.info(f"Получен запрос на скачивание (stream): {url}")
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# Проверяем, что это Yapfiles URL
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if 'yapfiles.ru' not in url and 'yapfiles.com' not in url:
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return jsonify({'error': 'Only Yapfiles URLs are supported'}), 400
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# Скачиваем видео
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video_path = download_yapfiles_video(url)
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logger.info(f"Видео скачано: {video_path}")
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# Читаем файл и отправляем
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with open(video_path, 'rb') as f:
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video_data = f.read()
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# Безопасное имя файла без кириллицы для заголовка
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safe_filename = video_path.name.encode('ascii', 'ignore').decode('ascii') or 'yapfiles_video.mp4'
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if not safe_filename.endswith(('.mp4', '.webm', '.mkv')):
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safe_filename = 'yapfiles_video.mp4'
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# Определяем content-type
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content_type = 'video/mp4'
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if video_path.suffix == '.webm':
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content_type = 'video/webm'
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elif video_path.suffix == '.mkv':
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content_type = 'video/x-matroska'
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# Удаляем временный файл
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video_path.unlink()
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return video_data, 200, {
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'Content-Type': content_type,
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'Content-Disposition': f'attachment; filename="{safe_filename}"'
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}
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except Exception as e:
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logger.error(f"Ошибка при скачивании: {e}")
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return jsonify({'error': str(e)}), 500
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if __name__ == '__main__':
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port = int(os.getenv('PORT', 5000))
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host = os.getenv('HOST', '0.0.0.0')
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logger.info(f"Запуск Yapfiles Downloader сервиса на {host}:{port}")
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app.run(host=host, port=port, debug=False)
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