fix: enable incomplete file suffix for downloaders

app/modules/transmission/transmission.py

@@ -41,6 +41,25 @@ class Transmission:
         self._password = password
         self.trc = self.__login_transmission()
 
+    @staticmethod
+    def __enable_incomplete_file_suffix(trt: Client) -> None:
+        """
+        开启未完成文件后缀，避免监控流程提前整理仍在下载的媒体文件。
+        """
+        try:
+            session = trt.get_session()
+            getter = getattr(session, "get", None)
+            if callable(getter):
+                rename_partial_files = getter("rename-partial-files")
+            else:
+                rename_partial_files = getattr(session, "rename_partial_files", None)
+            if rename_partial_files is True:
+                return
+            trt.set_session(rename_partial_files=True)
+            logger.info("已开启 transmission 未完成文件追加 .part 后缀")
+        except Exception as err:
+            logger.warning(f"开启 transmission 未完成文件后缀失败：{str(err)}")
+
     def __login_transmission(self) -> Optional[Client]:
         """
         连接transmission
@@ -57,6 +76,7 @@ class Transmission:
                                           username=self._username,
                                           password=self._password,
                                           timeout=60)
+            self.__enable_incomplete_file_suffix(trt)
             return trt
         except Exception as err:
             logger.error(f"transmission 连接出错：{str(err)}")