fix(architecture): satisfy ruff/mypy ratchets for media auxiliary

e02418bac 把新导入放在 settings = RuntimeSettingsCompat() 之后，
导致 5 个模块 E402 诊断超出只降不增基线；同时 media_auxiliary
把工厂函数 MetaInfo 误用作返回类型标注。将新增导入移回赋值语句
之前，返回类型修正为 MetaBase。

app/modules/_base/media_auxiliary.py

@@ -21,8 +21,9 @@ class MediaAuxiliaryProviderMixin:
     def _build_auxiliary_meta(
             mediainfo: MediaInfo,
             metainfo: Optional[MetaBase] = None,
-    ) -> MetaInfo:
+    ) -> MetaBase:
         """根据主识别结果构造不携带原来源身份的标题查询参数。"""
+        # MetaInfo 是工厂函数，实际返回 MetaBase 及其子类实例
         meta = MetaInfo(mediainfo.title or getattr(metainfo, "name", None) or "")
         if not meta.en_name:
             meta.en_name = mediainfo.en_title or getattr(metainfo, "en_name", None)

app/modules/anilist/__init__.py

@@ -1,16 +1,15 @@
 from typing import List, Optional, Tuple, Union
 
-from app.runtime.settings import RuntimeSettingsCompat
+from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
+from app.runtime.settings import get_runtime_setting
 from app.schemas.context import MediaPerson as _SchemaMediaPerson
 
-settings = RuntimeSettingsCompat()
 from app.domain.context import MediaInfo
 from app.domain.media import is_media_source_enabled
 from app.domain.meta.metabase import MetaBase
 from app.domain.scraper import MediaScraperHelper
 from app.modules import _ModuleBase
 from app.modules.anilist.anilist import AniListApi
-from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
 from app.runtime.log import logger
 from app.schemas.types import (
     MediaRecognizeType,
@@ -78,7 +77,7 @@ class AniListModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param media_source: 请求级识别数据源
         :return: 是否启用 AniList 识别
         """
-        return (media_source or settings.RECOGNIZE_SOURCE) == MediaSource.AniList
+        return (media_source or get_runtime_setting("RECOGNIZE_SOURCE")) == MediaSource.AniList
 
     @staticmethod
     def _media_type(info: dict) -> MediaType:
@@ -571,7 +570,7 @@ class AniListModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param episode: 集号
         :return: NFO XML 文本
         """
-        scrape_source = mediainfo.scrape_source or settings.SCRAP_SOURCE
+        scrape_source = mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")
         if scrape_source != "anilist":
             return None
         return self.scraper.get_metadata_nfo(mediainfo, season=season, episode=episode)
@@ -590,7 +589,7 @@ class AniListModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param episode: 集号
         :return: 图片文件名与下载地址映射
         """
-        scrape_source = mediainfo.scrape_source or settings.SCRAP_SOURCE
+        scrape_source = mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")
         if scrape_source != "anilist":
             return None
         return self.scraper.get_metadata_img(mediainfo, season=season, episode=episode)

app/modules/bangumi/__init__.py

@@ -1,10 +1,10 @@
 from dataclasses import dataclass
 from typing import Any, List, Optional, Tuple, Union
 
-from app.runtime.settings import RuntimeSettingsCompat
+from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
+from app.runtime.settings import get_runtime_setting
 from app.schemas.context import MediaPerson as _SchemaMediaPerson
 
-settings = RuntimeSettingsCompat()
 from app.adapters.network.http import RequestUtils
 from app.domain.context import MediaInfo
 from app.domain.media import is_media_source_enabled
@@ -12,7 +12,6 @@ from app.domain.meta.metabase import MetaBase
 from app.domain.scraper import MediaScraperHelper
 from app.modules import _ModuleBase
 from app.modules.bangumi.bangumi import BangumiApi
-from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
 from app.runtime.log import logger
 from app.schemas.types import (
     MediaRecognizeType,
@@ -45,7 +44,7 @@ class BangumiModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         """
         初始化Bangumi客户端
         """
-        self._config = BangumiConfigSnapshot(proxy=settings.PROXY)
+        self._config = BangumiConfigSnapshot(proxy=get_runtime_setting("PROXY"))
         self.bangumiapi = BangumiApi()
         self.scraper = MediaScraperHelper()
 
@@ -127,7 +126,7 @@ class BangumiModule(MediaAuxiliaryProviderMixin, _ModuleBase):
             return None
         bangumiid = int(media_id) if media_id is not None else None
         if not bangumiid and (
-            not meta or (media_source or settings.RECOGNIZE_SOURCE) != MediaSource.Bangumi
+            not meta or (media_source or get_runtime_setting("RECOGNIZE_SOURCE")) != MediaSource.Bangumi
         ):
             return None
 
@@ -176,7 +175,7 @@ class BangumiModule(MediaAuxiliaryProviderMixin, _ModuleBase):
             return None
         bangumiid = int(media_id) if media_id is not None else None
         if not bangumiid and (
-            not meta or (media_source or settings.RECOGNIZE_SOURCE) != MediaSource.Bangumi
+            not meta or (media_source or get_runtime_setting("RECOGNIZE_SOURCE")) != MediaSource.Bangumi
         ):
             return None
 
@@ -317,7 +316,7 @@ class BangumiModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param episode: 集号
         :return: NFO XML文本
         """
-        scrape_source = mediainfo.scrape_source or settings.SCRAP_SOURCE
+        scrape_source = mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")
         if scrape_source != "bangumi":
             return None
         return self.scraper.get_metadata_nfo(mediainfo, season=season, episode=episode)
@@ -336,7 +335,7 @@ class BangumiModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param episode: 集号
         :return: 图片文件名与下载地址映射
         """
-        scrape_source = mediainfo.scrape_source or settings.SCRAP_SOURCE
+        scrape_source = mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")
         if scrape_source != "bangumi":
             return None
         return self.scraper.get_metadata_img(mediainfo, season=season, episode=episode)

app/modules/douban/__init__.py

@@ -3,10 +3,10 @@ from typing import Any, List, Optional, Tuple, Union
 
 import cn2an
 
-from app.runtime.settings import RuntimeSettingsCompat
+from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
+from app.runtime.settings import get_runtime_setting
 from app.schemas.context import MediaPerson as _SchemaMediaPerson
 
-settings = RuntimeSettingsCompat()
 from app.adapters.network.http import RequestUtils
 from app.domain.context import (
     MediaInfo,
@@ -21,7 +21,6 @@ from app.foundation.text import convert as zhconv_convert
 from app.modules import _ModuleBase
 from app.modules.douban.apiv2 import DoubanApi
 from app.modules.douban.scraper import DoubanScraper
-from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
 from app.runtime.execution import retry
 from app.runtime.log import logger
 from app.runtime.rate import rate_limit_exponential
@@ -707,7 +706,7 @@ class DoubanModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         if (
             meta
             and not doubanid
-            and (kwargs.get("media_source") or settings.RECOGNIZE_SOURCE) != "douban"
+            and (kwargs.get("media_source") or get_runtime_setting("RECOGNIZE_SOURCE")) != "douban"
         ):
             return None
 
@@ -778,7 +777,7 @@ class DoubanModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         if (
             meta
             and not doubanid
-            and (kwargs.get("media_source") or settings.RECOGNIZE_SOURCE) != "douban"
+            and (kwargs.get("media_source") or get_runtime_setting("RECOGNIZE_SOURCE")) != "douban"
         ):
             return None
 
@@ -1685,7 +1684,7 @@ class DoubanModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param mediainfo: 媒体信息
         :param season: 季号
         """
-        if (mediainfo.scrape_source or settings.SCRAP_SOURCE) != "douban":
+        if (mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")) != "douban":
             return None
         return self.scraper.get_metadata_nfo(mediainfo=mediainfo, season=season)
 
@@ -1696,7 +1695,7 @@ class DoubanModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param season: 季号
         :param episode: 集号
         """
-        if (mediainfo.scrape_source or settings.SCRAP_SOURCE) != "douban":
+        if (mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")) != "douban":
             return None
         return self.scraper.get_metadata_img(mediainfo=mediainfo, season=season, episode=episode)
 
@@ -1707,7 +1706,7 @@ class DoubanModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param mediainfo: 媒体信息
         :return: None 表示不处理，MediaInfo 表示继续处理
         """
-        if mediainfo.media_source != MediaSource.Douban and settings.RECOGNIZE_SOURCE != "douban":
+        if mediainfo.media_source != MediaSource.Douban and get_runtime_setting("RECOGNIZE_SOURCE") != "douban":
             return None
         if not mediainfo.douban_id:
             return None

app/modules/themoviedb/__init__.py

@@ -3,19 +3,18 @@ from typing import Dict, List, Optional, Tuple, Union
 
 import cn2an
 
-from app.runtime.settings import RuntimeSettingsCompat
+from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
+from app.runtime.settings import get_runtime_setting
 from app.schemas.context import MediaPerson as _SchemaMediaPerson
 from app.schemas.tmdb import TmdbEpisode as _SchemaTmdbEpisode
 from app.schemas.tmdb import TmdbSeason as _SchemaTmdbSeason
 
-settings = RuntimeSettingsCompat()
 from app.adapters.network.http import RequestUtils
 from app.domain.context import MediaInfo
 from app.domain.media import is_media_source_enabled, is_media_source_selected
 from app.domain.meta.metabase import MetaBase
 from app.foundation.text import convert as zhconv_convert
 from app.modules import _ModuleBase
-from app.modules._base.media_auxiliary import MediaAuxiliaryProviderMixin
 from app.modules.themoviedb.category import CategoryHelper
 from app.modules.themoviedb.scraper import TmdbScraper
 from app.modules.themoviedb.tmdb_cache import TmdbCache
@@ -95,13 +94,13 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         """
         测试模块连接性
         """
-        ret = RequestUtils(ua=settings.NORMAL_USER_AGENT, proxies=settings.PROXY).get_res(
-            f"https://{settings.TMDB_API_DOMAIN}/3/movie/550?api_key={settings.TMDB_API_KEY}")
+        ret = RequestUtils(ua=get_runtime_setting("NORMAL_USER_AGENT"), proxies=get_runtime_setting("PROXY")).get_res(
+            f"https://{get_runtime_setting("TMDB_API_DOMAIN")}/3/movie/550?api_key={get_runtime_setting("TMDB_API_KEY")}")
         if ret and ret.status_code == 200:
             return True, ""
         elif ret:
-            return False, f"无法连接 {settings.TMDB_API_DOMAIN}，错误码：{ret.status_code}"
-        return False, f"{settings.TMDB_API_DOMAIN} 网络连接失败"
+            return False, f"无法连接 {get_runtime_setting("TMDB_API_DOMAIN")}，错误码：{ret.status_code}"
+        return False, f"{get_runtime_setting("TMDB_API_DOMAIN")} 网络连接失败"
 
     def init_setting(self) -> Tuple[str, Union[str, bool]]:
         pass
@@ -123,7 +122,7 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         if not tmdbid and not meta:
             return False
 
-        selected_source = normalize_media_source(media_source or settings.RECOGNIZE_SOURCE)
+        selected_source = normalize_media_source(media_source or get_runtime_setting("RECOGNIZE_SOURCE"))
         if meta and not tmdbid and selected_source != MediaSource.TMDB:
             return False
 
@@ -974,7 +973,7 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param season: 季号
         :param episode: 集号
         """
-        if (mediainfo.scrape_source or settings.SCRAP_SOURCE) != "themoviedb":
+        if (mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")) != "themoviedb":
             return None
         return self.scraper.get_metadata_nfo(meta=meta, mediainfo=mediainfo, season=season, episode=episode)
 
@@ -986,7 +985,7 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param season: 季号
         :param episode: 集号
         """
-        if (mediainfo.scrape_source or settings.SCRAP_SOURCE) != "themoviedb":
+        if (mediainfo.scrape_source or get_runtime_setting("SCRAP_SOURCE")) != "themoviedb":
             return None
         return self.scraper.get_metadata_img(mediainfo=mediainfo, season=season, episode=episode)
 
@@ -1107,7 +1106,7 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         :param mediainfo: 媒体信息
         :return: None 表示不处理，MediaInfo 表示继续处理
         """
-        if mediainfo.media_source != "themoviedb" and settings.RECOGNIZE_SOURCE != "themoviedb":
+        if mediainfo.media_source != "themoviedb" and get_runtime_setting("RECOGNIZE_SOURCE") != "themoviedb":
             return None
         if not mediainfo.tmdb_id:
             return mediainfo
@@ -1148,15 +1147,15 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
         # 背景图
         if not mediainfo.backdrop_path:
             if image_path := cls._pick_best_tmdb_image(images.get("backdrops")):
-                mediainfo.backdrop_path = settings.TMDB_IMAGE_URL(image_path)
+                mediainfo.backdrop_path = get_runtime_setting("TMDB_IMAGE_URL")(image_path)
         # 标志
         if not mediainfo.logo_path:
             if image_path := cls._pick_best_tmdb_image(images.get("logos")):
-                mediainfo.logo_path = settings.TMDB_IMAGE_URL(image_path)
+                mediainfo.logo_path = get_runtime_setting("TMDB_IMAGE_URL")(image_path)
         # 海报
         if not mediainfo.poster_path:
             if image_path := cls._pick_best_tmdb_image(images.get("posters")):
-                mediainfo.poster_path = settings.TMDB_IMAGE_URL(image_path)
+                mediainfo.poster_path = get_runtime_setting("TMDB_IMAGE_URL")(image_path)
         return mediainfo
 
     def obtain_images(self, mediainfo: MediaInfo) -> Optional[MediaInfo]:
@@ -1246,7 +1245,7 @@ class TheMovieDbModule(MediaAuxiliaryProviderMixin, _ModuleBase):
                 image_path = seasoninfo.get(image_type.value)
 
         if image_path:
-            return settings.TMDB_IMAGE_URL(image_path, image_prefix)
+            return get_runtime_setting("TMDB_IMAGE_URL")(image_path, image_prefix)
         return None
 
     def tmdb_movie_similar(self, tmdbid: int) -> List[MediaInfo]:

app/modules/thetvdb/__init__.py

@@ -1,15 +1,14 @@
 from threading import Lock
 from typing import Optional, Tuple, Union, cast
 
-from app.runtime.settings import RuntimeSettingsCompat
-
-settings = RuntimeSettingsCompat()
 from app.domain.context import MediaInfo
 from app.domain.media import is_media_source_enabled
 from app.domain.meta.metabase import MetaBase
+from app.runtime.execution import run_in_threadpool
+from app.runtime.settings import get_runtime_setting
+
 from app.modules import _ModuleBase
 from app.modules.thetvdb import tvdb_v4_official
-from app.runtime.execution import run_in_threadpool
 from app.runtime.log import logger
 from app.schemas.types import (
     MediaRecognizeType,
@@ -39,11 +38,11 @@ class TheTvDbModule(_ModuleBase):
         action = "刷新" if is_retry else "创建"
         logger.info(f"开始{action}TVDB登录会话...")
         try:
-            if not settings.TVDB_V4_API_KEY:
+            if not get_runtime_setting("TVDB_V4_API_KEY"):
                 raise ConnectionError("TVDB API Key 未配置，无法初始化会话。")
-            self.tvdb = tvdb_v4_official.TVDB(apikey=settings.TVDB_V4_API_KEY,
-                                              pin=settings.TVDB_V4_API_PIN,
-                                              proxy=settings.PROXY,
+            self.tvdb = tvdb_v4_official.TVDB(apikey=get_runtime_setting("TVDB_V4_API_KEY"),
+                                              pin=get_runtime_setting("TVDB_V4_API_PIN"),
+                                              proxy=get_runtime_setting("PROXY"),
                                               timeout=self.__timeout)
             if self.tvdb:
                 logger.info(f"TVDB登录会话{action}成功。")