import shutil from pathlib import Path from typing import Set, Tuple, Optional, Union, List from transmission_rpc import File from app import schemas from app.core.config import settings from app.core.metainfo import MetaInfo from app.log import logger from app.modules import _ModuleBase from app.modules.transmission.transmission import Transmission from app.schemas import TransferTorrent, DownloadingTorrent from app.schemas.types import TorrentStatus from app.utils.string import StringUtils from app.utils.system import SystemUtils class TransmissionModule(_ModuleBase): transmission: Transmission = None def init_module(self) -> None: self.transmission = Transmission() def stop(self): pass def init_setting(self) -> Tuple[str, Union[str, bool]]: return "DOWNLOADER", "transmission" def scheduler_job(self) -> None: """ 定时任务，每10分钟调用一次 """ # 定时重连 if not self.transmission.trc: self.transmission = Transmission() def download(self, torrent_path: Path, download_dir: Path, cookie: str, episodes: Set[int] = None, category: str = None) -> Optional[Tuple[Optional[str], str]]: """ 根据种子文件，选择并添加下载任务 :param torrent_path: 种子文件地址 :param download_dir: 下载目录 :param cookie: cookie :param episodes: 需要下载的集数 :param category: 分类，TR中未使用 :return: 种子Hash """ # 如果要选择文件则先暂停 is_paused = True if episodes else False # 标签 if settings.TORRENT_TAG: labels = [settings.TORRENT_TAG] else: labels = None # 添加任务 torrent = self.transmission.add_torrent(content=torrent_path.read_bytes(), download_dir=str(download_dir), is_paused=is_paused, labels=labels, cookie=cookie) if not torrent: return None, f"添加种子任务失败：{torrent_path}" else: torrent_hash = torrent.hashString if is_paused: # 选择文件 torrent_files = self.transmission.get_files(torrent_hash) if not torrent_files: return torrent_hash, "获取种子文件失败，下载任务可能在暂停状态" # 需要的文件信息 file_ids = [] for torrent_file in torrent_files: file_id = torrent_file.id file_name = torrent_file.name meta_info = MetaInfo(file_name) if not meta_info.episode_list: continue selected = set(meta_info.episode_list).issubset(set(episodes)) if not selected: continue file_ids.append(file_id) # 选择文件 self.transmission.set_files(torrent_hash, file_ids) # 开始任务 self.transmission.start_torrents(torrent_hash) else: return torrent_hash, "添加下载任务成功" def list_torrents(self, status: TorrentStatus = None, hashs: Union[list, str] = None) -> Optional[List[Union[TransferTorrent, DownloadingTorrent]]]: """ 获取下载器种子列表 :param status: 种子状态 :param hashs: 种子Hash :return: 下载器中符合状态的种子列表 """ ret_torrents = [] if hashs: # 按Hash获取 torrents, _ = self.transmission.get_torrents(ids=hashs, tags=settings.TORRENT_TAG) for torrent in torrents or []: ret_torrents.append(TransferTorrent( title=torrent.name, path=Path(torrent.download_dir) / torrent.name, hash=torrent.hashString, tags=torrent.labels )) elif status == TorrentStatus.TRANSFER: # 获取已完成且未整理的 torrents = self.transmission.get_completed_torrents(tags=settings.TORRENT_TAG) for torrent in torrents or []: # 含"已整理"tag的不处理 if "已整理" in torrent.labels or []: continue # 下载路径 path = torrent.download_dir # 无法获取下载路径的不处理 if not path: logger.debug(f"未获取到 {torrent.name} 下载保存路径") continue ret_torrents.append(TransferTorrent( title=torrent.name, path=Path(torrent.download_dir) / torrent.name, hash=torrent.hashString, tags=torrent.labels )) elif status == TorrentStatus.DOWNLOADING: # 获取正在下载的任务 torrents = self.transmission.get_downloading_torrents(tags=settings.TORRENT_TAG) for torrent in torrents or []: meta = MetaInfo(torrent.name) dlspeed = torrent.rate_download if hasattr(torrent, "rate_download") else torrent.rateDownload upspeed = torrent.rate_upload if hasattr(torrent, "rate_upload") else torrent.rateUpload ret_torrents.append(DownloadingTorrent( hash=torrent.hashString, title=torrent.name, name=meta.name, year=meta.year, season_episode=meta.season_episode, progress=torrent.progress, size=torrent.total_size, state="paused" if torrent.status == "stopped" else "downloading", dlspeed=StringUtils.str_filesize(dlspeed), upspeed=StringUtils.str_filesize(upspeed), )) else: return None return ret_torrents def transfer_completed(self, hashs: Union[str, list], path: Path = None) -> None: """ 转移完成后的处理 :param hashs: 种子Hash :param path: 源目录 :return: None """ self.transmission.set_torrent_tag(ids=hashs, tags=['已整理']) # 移动模式删除种子 if settings.TRANSFER_TYPE == "move": if self.remove_torrents(hashs): logger.info(f"移动模式删除种子成功：{hashs} ") # 删除残留文件 if path and path.exists(): files = SystemUtils.list_files(path, settings.RMT_MEDIAEXT) if not files: logger.warn(f"删除残留文件夹：{path}") shutil.rmtree(path, ignore_errors=True) def remove_torrents(self, hashs: Union[str, list]) -> bool: """ 删除下载器种子 :param hashs: 种子Hash :return: bool """ return self.transmission.delete_torrents(delete_file=True, ids=hashs) def start_torrents(self, hashs: Union[list, str]) -> bool: """ 开始下载 :param hashs: 种子Hash :return: bool """ return self.transmission.start_torrents(ids=hashs) def stop_torrents(self, hashs: Union[list, str]) -> bool: """ 停止下载 :param hashs: 种子Hash :return: bool """ return self.transmission.start_torrents(ids=hashs) def torrent_files(self, tid: str) -> Optional[List[File]]: """ 获取种子文件列表 """ return self.transmission.get_files(tid=tid) def downloader_info(self) -> schemas.DownloaderInfo: """ 下载器信息 """ info = self.transmission.transfer_info() return schemas.DownloaderInfo( download_speed=info.download_speed, upload_speed=info.upload_speed, download_size=info.current_stats.downloaded_bytes, upload_size=info.current_stats.uploaded_bytes )