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