264 lines
10 KiB
Python
264 lines
10 KiB
Python
import copy
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import time
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from pathlib import Path
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from threading import Lock
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from typing import Optional, List, Tuple
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from app.chain import ChainBase
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from app.core.context import Context, MediaInfo
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from app.core.event import eventmanager, Event
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from app.core.meta import MetaBase
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from app.core.metainfo import MetaInfo, MetaInfoPath
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from app.log import logger
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from app.schemas.types import EventType, MediaType
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from app.utils.singleton import Singleton
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from app.utils.string import StringUtils
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recognize_lock = Lock()
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class MediaChain(ChainBase, metaclass=Singleton):
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"""
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媒体信息处理链，单例运行
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"""
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# 临时识别标题
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recognize_title: Optional[str] = None
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# 临时识别结果 {title, name, year, season, episode}
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recognize_temp: Optional[dict] = None
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def recognize_by_meta(self, metainfo: MetaBase) -> Optional[MediaInfo]:
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"""
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根据主副标题识别媒体信息
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"""
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title = metainfo.title
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# 识别媒体信息
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mediainfo: MediaInfo = self.recognize_media(meta=metainfo)
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if not mediainfo:
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# 偿试使用辅助识别，如果有注册响应事件的话
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if eventmanager.check(EventType.NameRecognize):
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logger.info(f'请求辅助识别，标题：{title} ...')
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mediainfo = self.recognize_help(title=title, org_meta=metainfo)
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if not mediainfo:
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logger.warn(f'{title} 未识别到媒体信息')
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return None
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# 识别成功
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logger.info(f'{title} 识别到媒体信息：{mediainfo.type.value} {mediainfo.title_year}')
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# 更新媒体图片
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self.obtain_images(mediainfo=mediainfo)
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# 返回上下文
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return mediainfo
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def recognize_help(self, title: str, org_meta: MetaBase) -> Optional[MediaInfo]:
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"""
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请求辅助识别，返回媒体信息
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:param title: 标题
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:param org_meta: 原始元数据
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"""
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with recognize_lock:
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self.recognize_temp = None
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self.recognize_title = title
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# 发送请求事件
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eventmanager.send_event(
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EventType.NameRecognize,
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{
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'title': title,
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}
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)
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# 每0.5秒循环一次，等待结果，直到10秒后超时
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for i in range(20):
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if self.recognize_temp is not None:
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break
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time.sleep(0.5)
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# 加锁
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with recognize_lock:
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mediainfo = None
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if not self.recognize_temp or self.recognize_title != title:
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# 没有识别结果或者识别标题已改变
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return None
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# 有识别结果
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meta_dict = copy.deepcopy(self.recognize_temp)
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logger.info(f'获取到辅助识别结果：{meta_dict}')
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if meta_dict.get("name") == org_meta.name and meta_dict.get("year") == org_meta.year:
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logger.info(f'辅助识别结果与原始识别结果一致')
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else:
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logger.info(f'辅助识别结果与原始识别结果不一致，重新匹配媒体信息 ...')
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org_meta.name = meta_dict.get("name")
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org_meta.year = meta_dict.get("year")
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org_meta.begin_season = meta_dict.get("season")
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org_meta.begin_episode = meta_dict.get("episode")
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if org_meta.begin_season or org_meta.begin_episode:
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org_meta.type = MediaType.TV
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# 重新识别
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mediainfo = self.recognize_media(meta=org_meta)
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return mediainfo
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@eventmanager.register(EventType.NameRecognizeResult)
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def recognize_result(self, event: Event):
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"""
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监控识别结果事件，获取辅助识别结果，结果格式：{title, name, year, season, episode}
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"""
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if not event:
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return
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event_data = event.event_data or {}
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# 加锁
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with recognize_lock:
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# 不是原标题的结果不要
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if event_data.get("title") != self.recognize_title:
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return
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# 标志收到返回
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self.recognize_temp = {}
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# 处理数据格式
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file_title, file_year, season_number, episode_number = None, None, None, None
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if event_data.get("name"):
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file_title = str(event_data["name"]).split("/")[0].strip().replace(".", " ")
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if event_data.get("year"):
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file_year = str(event_data["year"]).split("/")[0].strip()
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if event_data.get("season") and str(event_data["season"]).isdigit():
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season_number = int(event_data["season"])
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if event_data.get("episode") and str(event_data["episode"]).isdigit():
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episode_number = int(event_data["episode"])
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if not file_title:
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return
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if file_title == 'Unknown':
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return
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if not str(file_year).isdigit():
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file_year = None
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# 结果赋值
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self.recognize_temp = {
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"name": file_title,
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"year": file_year,
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"season": season_number,
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"episode": episode_number
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}
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def recognize_by_path(self, path: str) -> Optional[Context]:
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"""
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根据文件路径识别媒体信息
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"""
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logger.info(f'开始识别媒体信息，文件：{path} ...')
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file_path = Path(path)
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# 元数据
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file_meta = MetaInfoPath(file_path)
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# 识别媒体信息
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mediainfo = self.recognize_media(meta=file_meta)
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if not mediainfo:
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# 偿试使用辅助识别，如果有注册响应事件的话
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if eventmanager.check(EventType.NameRecognize):
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logger.info(f'请求辅助识别，标题：{file_path.name} ...')
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mediainfo = self.recognize_help(title=path, org_meta=file_meta)
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if not mediainfo:
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logger.warn(f'{path} 未识别到媒体信息')
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return Context(meta_info=file_meta)
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logger.info(f'{path} 识别到媒体信息：{mediainfo.type.value} {mediainfo.title_year}')
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# 更新媒体图片
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self.obtain_images(mediainfo=mediainfo)
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# 返回上下文
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return Context(meta_info=file_meta, media_info=mediainfo)
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def search(self, title: str) -> Tuple[MetaBase, List[MediaInfo]]:
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"""
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搜索媒体信息
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:param title: 搜索内容
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:return: 识别元数据，媒体信息列表
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"""
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# 提取要素
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mtype, key_word, season_num, episode_num, year, content = StringUtils.get_keyword(title)
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# 识别
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meta = MetaInfo(content)
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if not meta.name:
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meta.cn_name = content
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# 合并信息
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if mtype:
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meta.type = mtype
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if season_num:
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meta.begin_season = season_num
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if episode_num:
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meta.begin_episode = episode_num
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if year:
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meta.year = year
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# 开始搜索
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logger.info(f"开始搜索媒体信息：{meta.name}")
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medias: Optional[List[MediaInfo]] = self.search_medias(meta=meta)
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if not medias:
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logger.warn(f"{meta.name} 没有找到对应的媒体信息！")
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return meta, []
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logger.info(f"{content} 搜索到 {len(medias)} 条相关媒体信息")
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# 识别的元数据，媒体信息列表
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return meta, medias
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def get_tmdbinfo_by_doubanid(self, doubanid: str, mtype: MediaType = None) -> Optional[dict]:
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"""
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根据豆瓣ID获取TMDB信息
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"""
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tmdbinfo = None
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doubaninfo = self.douban_info(doubanid=doubanid, mtype=mtype)
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if doubaninfo:
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# 优先使用原标题匹配
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season_meta = None
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if doubaninfo.get("original_title"):
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meta = MetaInfo(title=doubaninfo.get("original_title"))
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season_meta = MetaInfo(title=doubaninfo.get("title"))
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# 合并季
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meta.begin_season = season_meta.begin_season
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else:
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meta = MetaInfo(title=doubaninfo.get("title"))
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# 年份
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if doubaninfo.get("year"):
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meta.year = doubaninfo.get("year")
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# 处理类型
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if isinstance(doubaninfo.get('media_type'), MediaType):
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meta.type = doubaninfo.get('media_type')
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else:
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meta.type = MediaType.MOVIE if doubaninfo.get("type") == "movie" else MediaType.TV
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# 使用原标题识别TMDB媒体信息
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tmdbinfo = self.match_tmdbinfo(
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name=meta.name,
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year=meta.year,
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mtype=mtype or meta.type,
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season=meta.begin_season
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)
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if not tmdbinfo:
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if season_meta and season_meta.name != meta.name:
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# 使用主标题识别媒体信息
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tmdbinfo = self.match_tmdbinfo(
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name=season_meta.name,
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year=meta.year,
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mtype=mtype or meta.type,
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season=meta.begin_season
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)
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return tmdbinfo
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def get_doubaninfo_by_tmdbid(self, tmdbid: int,
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mtype: MediaType = None, season: int = None) -> Optional[dict]:
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"""
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根据TMDBID获取豆瓣信息
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"""
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tmdbinfo = self.tmdb_info(tmdbid=tmdbid, mtype=mtype)
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if tmdbinfo:
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# 名称
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name = tmdbinfo.get("title") or tmdbinfo.get("name")
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# 年份
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year = None
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if tmdbinfo.get('release_date'):
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year = tmdbinfo['release_date'][:4]
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elif tmdbinfo.get('seasons') and season:
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for seainfo in tmdbinfo['seasons']:
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# 季
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season_number = seainfo.get("season_number")
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if not season_number:
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continue
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air_date = seainfo.get("air_date")
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if air_date and season_number == season:
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year = air_date[:4]
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break
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# IMDBID
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imdbid = tmdbinfo.get("external_ids", {}).get("imdb_id")
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return self.match_doubaninfo(
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name=name,
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year=year,
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mtype=mtype,
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imdbid=imdbid
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)
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return None
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