feat(cache): 同步/异步函数可共享缓存

- 缓存键支持自定义命名，使异步与同步函数可共享缓存结果
- 内存缓存改为类变量，实现多个cache装饰器共享同一缓存空间
- 重构AsyncMemoryBackend，减少重复代码
- 补齐部分模块的缓存清理功能

app/modules/bangumi/__init__.py

@@ -290,3 +290,11 @@ class BangumiModule(_ModuleBase):
         if infos:
             return [MediaInfo(bangumi_info=info) for info in infos]
         return []
+
+    def clear_cache(self):
+        """
+        清除缓存
+        """
+        logger.info(f"开始清除{self.get_name()}缓存 ...")
+        self.bangumiapi.clear_cache()
+        logger.info(f"{self.get_name()}缓存清除完成")

app/modules/bangumi/bangumi.py

@@ -31,7 +31,7 @@ class BangumiApi(object):
         self._req = RequestUtils(ua=settings.NORMAL_USER_AGENT, session=self._session)
         self._async_req = AsyncRequestUtils(ua=settings.NORMAL_USER_AGENT)
 
-    @cached(maxsize=settings.CONF.bangumi, ttl=settings.CONF.meta)
+    @cached(maxsize=settings.CONF.bangumi, ttl=settings.CONF.meta, shared_key="get")
     def __invoke(self, url, key: Optional[str] = None, **kwargs):
         req_url = self._base_url + url
         params = {}
@@ -47,7 +47,7 @@ class BangumiApi(object):
             print(e)
             return None
 
-    @cached(maxsize=settings.CONF.bangumi, ttl=settings.CONF.meta)
+    @cached(maxsize=settings.CONF.bangumi, ttl=settings.CONF.meta, shared_key="get")
     async def __async_invoke(self, url, key: Optional[str] = None, **kwargs):
         req_url = self._base_url + url
         params = {}
@@ -300,6 +300,12 @@ class BangumiApi(object):
                                          key="data",
                                          _ts=datetime.strftime(datetime.now(), '%Y%m%d'), **kwargs)
 
+    def clear_cache(self):
+        """
+        清除缓存
+        """
+        self.__invoke.cache_clear()
+
     def close(self):
         if self._session:
             self._session.close()