q

services/render_service.py

@@ -2,12 +2,13 @@ import subprocess
 import os
 import logging
 from abc import ABC, abstractmethod
-from typing import Optional, Union
+from typing import Union
 
 from opentelemetry.trace import Status, StatusCode
 
 from entity.render_task import RenderTask
 from entity.ffmpeg_command_builder import FFmpegCommandBuilder
+from entity.ffmpeg import FfmpegTask
 from util.exceptions import RenderError, FFmpegError
 from util.ffmpeg import (
     probe_video_info,
@@ -26,7 +27,7 @@ class RenderService(ABC):
     """渲染服务抽象接口"""
 
     @abstractmethod
-    def render(self, task: Union[RenderTask, "FfmpegTask"]) -> bool:
+    def render(self, task: Union[RenderTask, FfmpegTask]) -> bool:
         """
         执行渲染任务
 
@@ -72,7 +73,7 @@ class RenderService(ABC):
 class DefaultRenderService(RenderService):
     """默认渲染服务实现"""
 
-    def render(self, task: Union[RenderTask, "FfmpegTask"]) -> bool:
+    def render(self, task: Union[RenderTask, FfmpegTask]) -> bool:
         """执行渲染任务"""
         # 兼容旧的FfmpegTask
         if hasattr(task, "get_ffmpeg_args"):  # 这是FfmpegTask
@@ -146,7 +147,7 @@ class DefaultRenderService(RenderService):
                     error_msg,
                 )
                 raise FFmpegError(
-                    f"FFmpeg execution failed",
+                    "FFmpeg execution failed",
                     command=args,
                     return_code=process.returncode,
                     stderr=error_msg,