435 lines
16 KiB
Python
435 lines
16 KiB
Python
import gc
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import pickle
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import traceback
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from abc import ABCMeta
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from pathlib import Path
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from typing import Optional, Any, Tuple, List, Set, Union, Dict
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from qbittorrentapi import TorrentFilesList
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from ruamel.yaml import CommentedMap
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from transmission_rpc import File
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from app.core.config import settings
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from app.core.context import Context
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from app.core.context import MediaInfo, TorrentInfo
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from app.core.event import EventManager
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from app.core.meta import MetaBase
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from app.core.module import ModuleManager
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from app.log import logger
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from app.schemas import TransferInfo, TransferTorrent, ExistMediaInfo, DownloadingTorrent, CommingMessage, Notification, \
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WebhookEventInfo, TmdbEpisode
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from app.schemas.types import TorrentStatus, MediaType, MediaImageType, EventType
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from app.utils.object import ObjectUtils
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class ChainBase(metaclass=ABCMeta):
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"""
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处理链基类
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"""
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def __init__(self):
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"""
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公共初始化
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"""
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self.modulemanager = ModuleManager()
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self.eventmanager = EventManager()
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@staticmethod
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def load_cache(filename: str) -> Any:
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"""
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从本地加载缓存
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"""
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cache_path = settings.TEMP_PATH / filename
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if cache_path.exists():
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try:
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with open(cache_path, 'rb') as f:
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return pickle.load(f)
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except Exception as err:
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logger.error(f"加载缓存 {filename} 出错：{str(err)}")
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return None
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@staticmethod
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def save_cache(cache: Any, filename: str) -> None:
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"""
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保存缓存到本地
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"""
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try:
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with open(settings.TEMP_PATH / filename, 'wb') as f:
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pickle.dump(cache, f)
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except Exception as err:
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logger.error(f"保存缓存 {filename} 出错：{str(err)}")
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finally:
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# 主动资源回收
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del cache
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gc.collect()
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@staticmethod
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def remove_cache(filename: str) -> None:
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"""
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删除本地缓存
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"""
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cache_path = settings.TEMP_PATH / filename
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if cache_path.exists():
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Path(cache_path).unlink()
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def run_module(self, method: str, *args, **kwargs) -> Any:
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"""
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运行包含该方法的所有模块，然后返回结果
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"""
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def is_result_empty(ret):
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"""
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判断结果是否为空
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"""
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if isinstance(ret, tuple):
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return all(value is None for value in ret)
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else:
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return result is None
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logger.debug(f"请求模块执行：{method} ...")
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result = None
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modules = self.modulemanager.get_modules(method)
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for module in modules:
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try:
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func = getattr(module, method)
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if is_result_empty(result):
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# 返回None，第一次执行或者需继续执行下一模块
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result = func(*args, **kwargs)
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elif ObjectUtils.check_signature(func, result):
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# 返回结果与方法签名一致，将结果传入（不能多个模块同时运行的需要通过开关控制）
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result = func(result)
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elif isinstance(result, list):
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# 返回为列表，有多个模块运行结果时进行合并（不能多个模块同时运行的需要通过开关控制）
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temp = func(*args, **kwargs)
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if isinstance(temp, list):
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result.extend(temp)
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else:
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# 中止继续执行
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break
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except Exception as err:
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logger.error(f"运行模块 {method} 出错：{module.__class__.__name__} - {str(err)}\n{traceback.print_exc()}")
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return result
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def recognize_media(self, meta: MetaBase = None,
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mtype: MediaType = None,
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tmdbid: int = None) -> Optional[MediaInfo]:
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"""
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识别媒体信息
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:param meta: 识别的元数据
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:param mtype: 识别的媒体类型，与tmdbid配套
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:param tmdbid: tmdbid
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:return: 识别的媒体信息，包括剧集信息
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"""
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return self.run_module("recognize_media", meta=meta, mtype=mtype, tmdbid=tmdbid)
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def match_doubaninfo(self, name: str, imdbid: str = None,
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mtype: str = None, year: str = None, season: int = None) -> Optional[dict]:
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"""
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搜索和匹配豆瓣信息
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:param name: 标题
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:param imdbid: imdbid
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:param mtype: 类型
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:param year: 年份
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:param season: 季
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"""
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return self.run_module("match_doubaninfo", name=name, imdbid=imdbid,
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mtype=mtype, year=year, season=season)
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def obtain_images(self, mediainfo: MediaInfo) -> Optional[MediaInfo]:
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"""
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补充抓取媒体信息图片
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:param mediainfo: 识别的媒体信息
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:return: 更新后的媒体信息
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"""
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return self.run_module("obtain_images", mediainfo=mediainfo)
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def obtain_specific_image(self, mediaid: Union[str, int], mtype: MediaType,
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image_type: MediaImageType, image_prefix: str = None,
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season: int = None, episode: int = None) -> Optional[str]:
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"""
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获取指定媒体信息图片，返回图片地址
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:param mediaid: 媒体ID
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:param mtype: 媒体类型
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:param image_type: 图片类型
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:param image_prefix: 图片前缀
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:param season: 季
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:param episode: 集
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"""
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return self.run_module("obtain_specific_image", mediaid=mediaid, mtype=mtype,
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image_prefix=image_prefix, image_type=image_type,
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season=season, episode=episode)
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def douban_info(self, doubanid: str) -> Optional[dict]:
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"""
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获取豆瓣信息
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:param doubanid: 豆瓣ID
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:return: 豆瓣信息
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"""
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return self.run_module("douban_info", doubanid=doubanid)
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def tvdb_info(self, tvdbid: int) -> Optional[dict]:
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"""
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获取TVDB信息
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:param tvdbid: int
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:return: TVDB信息
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"""
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return self.run_module("tvdb_info", tvdbid=tvdbid)
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def tmdb_info(self, tmdbid: int, mtype: MediaType) -> Optional[dict]:
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"""
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获取TMDB信息
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:param tmdbid: int
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:param mtype: 媒体类型
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:return: TVDB信息
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"""
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return self.run_module("tmdb_info", tmdbid=tmdbid, mtype=mtype)
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def message_parser(self, body: Any, form: Any,
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args: Any) -> Optional[CommingMessage]:
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"""
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解析消息内容，返回字典，注意以下约定值：
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userid: 用户ID
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username: 用户名
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text: 内容
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:param body: 请求体
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:param form: 表单
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:param args: 参数
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:return: 消息渠道、消息内容
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"""
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return self.run_module("message_parser", body=body, form=form, args=args)
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def webhook_parser(self, body: Any, form: Any, args: Any) -> Optional[WebhookEventInfo]:
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"""
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解析Webhook报文体
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:param body: 请求体
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:param form: 请求表单
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:param args: 请求参数
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:return: 字典，解析为消息时需要包含：title、text、image
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"""
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return self.run_module("webhook_parser", body=body, form=form, args=args)
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def search_medias(self, meta: MetaBase) -> Optional[List[MediaInfo]]:
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"""
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搜索媒体信息
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:param meta: 识别的元数据
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:reutrn: 媒体信息列表
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"""
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return self.run_module("search_medias", meta=meta)
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def search_torrents(self, site: CommentedMap,
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keywords: List[str],
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mtype: MediaType = None,
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page: int = 0) -> List[TorrentInfo]:
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"""
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搜索一个站点的种子资源
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:param site: 站点
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:param keywords: 搜索关键词列表
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:param mtype: 媒体类型
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:param page: 页码
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:reutrn: 资源列表
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"""
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return self.run_module("search_torrents", site=site, keywords=keywords,
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mtype=mtype, page=page)
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def refresh_torrents(self, site: CommentedMap) -> List[TorrentInfo]:
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"""
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获取站点最新一页的种子，多个站点需要多线程处理
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:param site: 站点
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:reutrn: 种子资源列表
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"""
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return self.run_module("refresh_torrents", site=site)
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def filter_torrents(self, rule_string: str,
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torrent_list: List[TorrentInfo],
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season_episodes: Dict[int, list] = None,
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mediainfo: MediaInfo = None) -> List[TorrentInfo]:
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"""
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过滤种子资源
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:param rule_string: 过滤规则
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:param torrent_list: 资源列表
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:param season_episodes: 季集数过滤 {season:[episodes]}
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:param mediainfo: 识别的媒体信息
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:return: 过滤后的资源列表，添加资源优先级
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"""
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return self.run_module("filter_torrents", rule_string=rule_string,
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torrent_list=torrent_list, season_episodes=season_episodes,
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mediainfo=mediainfo)
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def download(self, content: Union[Path, str], download_dir: Path, cookie: str,
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episodes: Set[int] = None, category: str = None
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) -> 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 content: 种子文件地址或者磁力链接
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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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:param category: 种子分类
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:return: 种子Hash，错误信息
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"""
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return self.run_module("download", content=content, download_dir=download_dir,
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cookie=cookie, episodes=episodes, category=category)
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def download_added(self, context: Context, download_dir: Path, torrent_path: Path = None) -> None:
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"""
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添加下载任务成功后，从站点下载字幕，保存到下载目录
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:param context: 上下文，包括识别信息、媒体信息、种子信息
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:param download_dir: 下载目录
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:param torrent_path: 种子文件地址
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:return: None，该方法可被多个模块同时处理
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"""
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return self.run_module("download_added", context=context, torrent_path=torrent_path,
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download_dir=download_dir)
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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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return self.run_module("list_torrents", status=status, hashs=hashs)
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def transfer(self, path: Path, meta: MetaBase, mediainfo: MediaInfo,
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transfer_type: str, target: Path = None,
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episodes_info: List[TmdbEpisode] = None) -> Optional[TransferInfo]:
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"""
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文件转移
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:param path: 文件路径
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:param meta: 预识别的元数据
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:param mediainfo: 识别的媒体信息
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:param transfer_type: 转移模式
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:param target: 转移目标路径
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:param episodes_info: 当前季的全部集信息
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:return: {path, target_path, message}
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"""
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return self.run_module("transfer", path=path, meta=meta, mediainfo=mediainfo,
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transfer_type=transfer_type, target=target,
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episodes_info=episodes_info)
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def transfer_completed(self, hashs: Union[str, list], path: Path = None) -> 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 path: 源目录
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"""
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return self.run_module("transfer_completed", hashs=hashs, path=path)
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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.run_module("remove_torrents", hashs=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.run_module("start_torrents", hashs=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.run_module("stop_torrents", hashs=hashs)
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def torrent_files(self, tid: str) -> Optional[Union[TorrentFilesList, List[File]]]:
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"""
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获取种子文件
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:param tid: 种子Hash
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:return: 种子文件
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"""
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return self.run_module("torrent_files", tid=tid)
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def media_exists(self, mediainfo: MediaInfo, itemid: str = None) -> Optional[ExistMediaInfo]:
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"""
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判断媒体文件是否存在
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:param mediainfo: 识别的媒体信息
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:param itemid: 媒体服务器ItemID
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:return: 如不存在返回None，存在时返回信息，包括每季已存在所有集{type: movie/tv, seasons: {season: [episodes]}}
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"""
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return self.run_module("media_exists", mediainfo=mediainfo, itemid=itemid)
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def refresh_mediaserver(self, mediainfo: MediaInfo, file_path: Path) -> None:
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"""
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刷新媒体库
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:param mediainfo: 识别的媒体信息
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:param file_path: 文件路径
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:return: 成功或失败
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"""
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self.run_module("refresh_mediaserver", mediainfo=mediainfo, file_path=file_path)
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def post_message(self, message: Notification) -> None:
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"""
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发送消息
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:param message: 消息体
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:return: 成功或失败
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"""
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# 发送事件
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self.eventmanager.send_event(etype=EventType.NoticeMessage,
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data={
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"channel": message.channel,
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"title": message.title,
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"text": message.text,
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"image": message.image,
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"userid": message.userid,
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})
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logger.info(f"发送消息：channel={message.channel}，"
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f"title={message.title}, "
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f"text={message.text}，"
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f"userid={message.userid}")
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self.run_module("post_message", message=message)
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def post_medias_message(self, message: Notification, medias: List[MediaInfo]) -> Optional[bool]:
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"""
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发送媒体信息选择列表
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:param message: 消息体
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:param medias: 媒体列表
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:return: 成功或失败
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"""
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return self.run_module("post_medias_message", message=message, medias=medias)
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def post_torrents_message(self, message: Notification, torrents: List[Context]) -> Optional[bool]:
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"""
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发送种子信息选择列表
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:param message: 消息体
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:param torrents: 种子列表
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:return: 成功或失败
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"""
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return self.run_module("post_torrents_message", message=message, torrents=torrents)
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def scrape_metadata(self, path: Path, mediainfo: MediaInfo, transfer_type: str) -> None:
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"""
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刮削元数据
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:param path: 媒体文件路径
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:param mediainfo: 识别的媒体信息
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:param transfer_type: 转移模式
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:return: 成功或失败
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"""
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self.run_module("scrape_metadata", path=path, mediainfo=mediainfo, transfer_type=transfer_type)
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def register_commands(self, commands: Dict[str, dict]) -> None:
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"""
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注册菜单命令
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"""
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self.run_module("register_commands", commands=commands)
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def scheduler_job(self) -> None:
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"""
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定时任务，每10分钟调用一次，模块实现该接口以实现定时服务
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"""
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self.run_module("scheduler_job")
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def clear_cache(self) -> None:
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"""
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清理缓存，模块实现该接口响应清理缓存事件
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"""
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self.run_module("clear_cache")
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