完成基础开发
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364
backend/services/torrent_service.py
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364
backend/services/torrent_service.py
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"""
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种子服务层
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负责聚合多个客户端的种子数据和执行种子操作
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"""
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from typing import List, Dict, Any, Optional
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from concurrent.futures import ThreadPoolExecutor, as_completed
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import qbittorrentapi
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from .client_service import ClientService
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class TorrentService:
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"""种子服务"""
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def __init__(self):
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self.client_service = ClientService()
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def get_all_torrents(self, client_ids: Optional[List[str]] = None) -> Dict[str, Any]:
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"""获取所有客户端的种子列表"""
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clients = self.client_service.get_enabled_clients()
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# 如果指定了客户端ID，则只获取这些客户端的数据
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if client_ids:
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clients = [client for client in clients if client['id'] in client_ids]
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if not clients:
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return {
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'torrents': [],
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'global_stats': {
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'download_speed': 0,
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'upload_speed': 0,
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'total_torrents': 0,
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'active_torrents': 0,
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'downloading': 0,
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'seeding': 0,
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'paused': 0
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},
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'clients_status': []
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}
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def fetch_client_data(client):
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"""获取单个客户端的数据"""
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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# 获取种子列表
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torrents = qbt_client.torrents.info()
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# 获取全局统计信息
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transfer_info = qbt_client.transfer_info()
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# 为每个种子添加客户端信息
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client_torrents = []
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for torrent in torrents:
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# TorrentDictionary 本身就是字典，直接转换
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torrent_dict = dict(torrent)
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torrent_dict['client_id'] = client['id']
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torrent_dict['client_name'] = client['name']
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client_torrents.append(torrent_dict)
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return {
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'success': True,
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'client_id': client['id'],
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'client_name': client['name'],
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'torrents': client_torrents,
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'stats': {
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'download_speed': transfer_info.dl_info_speed,
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'upload_speed': transfer_info.up_info_speed,
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'total_torrents': len(torrents),
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'downloading': len([t for t in torrents if t.state in ['downloading', 'stalledDL', 'metaDL']]),
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'seeding': len([t for t in torrents if t.state in ['uploading', 'stalledUP']]),
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'paused': len([t for t in torrents if 'paused' in t.state.lower()])
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}
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}
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except Exception as e:
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return {
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'success': False,
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'client_id': client['id'],
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'client_name': client['name'],
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'error': str(e),
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'torrents': [],
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'stats': {
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'download_speed': 0,
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'upload_speed': 0,
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'total_torrents': 0,
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'downloading': 0,
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'seeding': 0,
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'paused': 0
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}
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}
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# 并发获取所有客户端数据
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all_torrents = []
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global_stats = {
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'download_speed': 0,
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'upload_speed': 0,
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'total_torrents': 0,
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'active_torrents': 0,
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'downloading': 0,
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'seeding': 0,
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'paused': 0
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}
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clients_status = []
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with ThreadPoolExecutor(max_workers=10) as executor:
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future_to_client = {executor.submit(fetch_client_data, client): client
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for client in clients}
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for future in as_completed(future_to_client):
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result = future.result()
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# 收集种子数据
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all_torrents.extend(result['torrents'])
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# 聚合统计数据
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stats = result['stats']
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global_stats['download_speed'] += stats['download_speed']
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global_stats['upload_speed'] += stats['upload_speed']
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global_stats['total_torrents'] += stats['total_torrents']
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global_stats['downloading'] += stats['downloading']
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global_stats['seeding'] += stats['seeding']
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global_stats['paused'] += stats['paused']
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# 记录客户端状态
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clients_status.append({
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'client_id': result['client_id'],
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'client_name': result['client_name'],
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'connected': result['success'],
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'error': result.get('error'),
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'stats': stats
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})
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# 计算活跃种子数
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global_stats['active_torrents'] = global_stats['downloading'] + global_stats['seeding']
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return {
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'torrents': all_torrents,
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'global_stats': global_stats,
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'clients_status': clients_status
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}
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def pause_torrents(self, torrent_hashes: List[str], client_id: Optional[str] = None) -> Dict[str, Any]:
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"""暂停种子"""
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return self._execute_torrent_action('pause', torrent_hashes, client_id)
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def resume_torrents(self, torrent_hashes: List[str], client_id: Optional[str] = None) -> Dict[str, Any]:
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"""恢复种子"""
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return self._execute_torrent_action('resume', torrent_hashes, client_id)
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def delete_torrents(self, torrent_hashes: List[str], delete_files: bool = False, client_id: Optional[str] = None) -> Dict[str, Any]:
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"""删除种子"""
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return self._execute_torrent_action('delete', torrent_hashes, client_id, delete_files=delete_files)
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def _execute_torrent_action(self, action: str, torrent_hashes: List[str], client_id: Optional[str] = None, **kwargs) -> Dict[str, Any]:
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"""执行种子操作"""
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if client_id:
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# 对指定客户端执行操作
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client = self.client_service.get_client_by_id(client_id)
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if not client:
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return {'success': False, 'error': '客户端不存在'}
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return self._execute_action_on_client(client, action, torrent_hashes, **kwargs)
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else:
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# 对所有客户端执行操作
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clients = self.client_service.get_enabled_clients()
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results = []
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with ThreadPoolExecutor(max_workers=10) as executor:
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future_to_client = {
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executor.submit(self._execute_action_on_client, client, action, torrent_hashes, **kwargs): client
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for client in clients
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}
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for future in as_completed(future_to_client):
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client = future_to_client[future]
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try:
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result = future.result()
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result['client_id'] = client['id']
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result['client_name'] = client['name']
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results.append(result)
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except Exception as e:
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results.append({
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'success': False,
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'client_id': client['id'],
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'client_name': client['name'],
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'error': str(e)
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})
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# 统计成功和失败的结果
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successful = [r for r in results if r['success']]
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failed = [r for r in results if not r['success']]
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return {
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'success': len(successful) > 0,
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'results': results,
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'summary': {
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'total_clients': len(results),
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'successful_clients': len(successful),
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'failed_clients': len(failed)
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}
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}
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def _execute_action_on_client(self, client: Dict[str, Any], action: str, torrent_hashes: List[str], **kwargs) -> Dict[str, Any]:
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"""在指定客户端上执行操作"""
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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if action == 'pause':
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qbt_client.torrents.pause(torrent_hashes=torrent_hashes)
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elif action == 'resume':
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qbt_client.torrents.resume(torrent_hashes=torrent_hashes)
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elif action == 'delete':
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delete_files = kwargs.get('delete_files', False)
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qbt_client.torrents.delete(torrent_hashes=torrent_hashes, delete_files=delete_files)
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else:
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return {'success': False, 'error': f'不支持的操作: {action}'}
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return {'success': True, 'message': f'操作 {action} 执行成功'}
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except Exception as e:
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return {'success': False, 'error': str(e)}
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def get_torrent_details(self, torrent_hash: str, client_id: str) -> Optional[Dict[str, Any]]:
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"""获取种子详细信息"""
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client = self.client_service.get_client_by_id(client_id)
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if not client:
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return None
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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# 获取种子基本信息
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torrents = qbt_client.torrents.info(torrent_hashes=torrent_hash)
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if not torrents:
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return None
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torrent = torrents[0]
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torrent_dict = dict(torrent)
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# 获取种子文件列表
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try:
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files = qbt_client.torrents.files(torrent_hash=torrent_hash)
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torrent_dict['files'] = [dict(file) for file in files]
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except:
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torrent_dict['files'] = []
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# 获取 Tracker 信息
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try:
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trackers = qbt_client.torrents.trackers(torrent_hash=torrent_hash)
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torrent_dict['trackers'] = [dict(tracker) for tracker in trackers]
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except:
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torrent_dict['trackers'] = []
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# 获取 Peers 信息
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try:
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peers = qbt_client.torrents.peers(torrent_hash=torrent_hash)
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torrent_dict['peers'] = [dict(peer) for peer in peers.values()]
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except:
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torrent_dict['peers'] = []
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# 添加客户端信息
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torrent_dict['client_id'] = client['id']
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torrent_dict['client_name'] = client['name']
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return torrent_dict
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except Exception as e:
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return None
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def add_torrent_file(self, client_id: str, torrent_file_path: str, options: dict) -> dict:
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"""添加种子文件"""
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client = self.client_service.get_client_by_id(client_id)
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if not client:
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return {'success': False, 'error': '客户端不存在'}
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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# 准备添加选项
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add_options = {}
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if options.get('category'):
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add_options['category'] = options['category']
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if options.get('tags'):
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add_options['tags'] = options['tags']
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if options.get('save_path'):
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add_options['savepath'] = options['save_path']
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if options.get('paused'):
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add_options['paused'] = 'true'
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# 添加种子文件
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with open(torrent_file_path, 'rb') as torrent_file:
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result = qbt_client.torrents.add(torrent_files=torrent_file, **add_options)
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return {
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'success': True,
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'message': '种子文件添加成功',
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'result': result
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}
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except Exception as e:
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return {'success': False, 'error': str(e)}
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def add_magnet_link(self, client_id: str, magnet_link: str, options: dict) -> dict:
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"""添加磁力链接"""
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client = self.client_service.get_client_by_id(client_id)
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if not client:
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return {'success': False, 'error': '客户端不存在'}
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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# 准备添加选项
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add_options = {}
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if options.get('category'):
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add_options['category'] = options['category']
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if options.get('tags'):
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add_options['tags'] = options['tags']
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if options.get('save_path'):
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add_options['savepath'] = options['save_path']
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if options.get('paused'):
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add_options['paused'] = 'true'
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# 添加磁力链接
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result = qbt_client.torrents.add(urls=magnet_link, **add_options)
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return {
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'success': True,
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'message': '磁力链接添加成功',
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'result': result
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}
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except Exception as e:
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return {'success': False, 'error': str(e)}
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def add_torrent_url(self, client_id: str, torrent_url: str, options: dict) -> dict:
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"""添加种子URL"""
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client = self.client_service.get_client_by_id(client_id)
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if not client:
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return {'success': False, 'error': '客户端不存在'}
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try:
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qbt_client = self.client_service._create_qbt_client(client)
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# 准备添加选项
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add_options = {}
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if options.get('category'):
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add_options['category'] = options['category']
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if options.get('tags'):
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add_options['tags'] = options['tags']
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if options.get('save_path'):
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add_options['savepath'] = options['save_path']
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if options.get('paused'):
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add_options['paused'] = 'true'
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# 添加种子URL
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result = qbt_client.torrents.add(urls=torrent_url, **add_options)
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return {
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'success': True,
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'message': '种子URL添加成功',
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'result': result
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}
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except Exception as e:
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return {'success': False, 'error': str(e)}
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