fix 订阅匹配缓存问题

app/chain/subscribe.py

@@ -6,8 +6,6 @@ import time
 from datetime import datetime
 from typing import Dict, List, Optional, Union, Tuple
 
-from cachetools import TTLCache
-
 from app.chain import ChainBase
 from app.chain.download import DownloadChain
 from app.chain.media import MediaChain
@@ -509,9 +507,6 @@ class SubscribeChain(ChainBase, metaclass=Singleton):
             logger.warn('没有缓存资源，无法匹配订阅')
             return
 
-        # 记录重新识别过的种子
-        _recognize_cached = TTLCache(maxsize=1024, ttl=6 * 3600)
-
         with self._rlock:
             logger.debug(f"match lock acquired at {datetime.now()}")
             # 所有订阅
@@ -552,6 +547,12 @@ class SubscribeChain(ChainBase, metaclass=Singleton):
                 if exist_flag:
                     continue
 
+                # 订阅识别词
+                if subscribe.custom_words:
+                    custom_words_list = subscribe.custom_words.split("\n")
+                else:
+                    custom_words_list = None
+
                 # 遍历缓存种子
                 _match_context = []
                 for domain, contexts in torrents.items():
@@ -573,8 +574,7 @@ class SubscribeChain(ChainBase, metaclass=Singleton):
                             continue
 
                         # 有自定义识别词时，需要判断是否需要重新识别
-                        if subscribe.custom_words:
-                            custom_words_list = subscribe.custom_words.split("\n")
+                        if custom_words_list:
                             _, apply_words = WordsMatcher().prepare(torrent_info.title,
                                                                     custom_words=custom_words_list)
                             if apply_words:
@@ -589,10 +589,6 @@ class SubscribeChain(ChainBase, metaclass=Singleton):
                         # 先判断是否有没识别的种子，否则重新识别
                         if not torrent_mediainfo \
                                 or (not torrent_mediainfo.tmdb_id and not torrent_mediainfo.douban_id):
-                            # 避免重复处理
-                            _cache_key = f"{torrent_meta.org_string}_{torrent_info.description}"
-                            if not _recognize_cached.get(_cache_key):
-                                _recognize_cached[_cache_key] = True
                             # 重新识别媒体信息
                             torrent_mediainfo = self.recognize_media(meta=torrent_meta)
                             if torrent_mediainfo: