fix FastAPI模型FFMPEGSubtitleOverlayRequest解析后没有返回Self以及可选参数没有给default值

tests/pydantic_model_validation_test.py

@@ -3,6 +3,7 @@ import unittest
 
 import httpx
 from loguru import logger
+from BowongModalFunctions.models.web_model import FFMPEGSubtitleOverlayRequest
 
 
 class PydanticModelTestCase(unittest.TestCase):
@@ -25,6 +26,14 @@ class PydanticModelTestCase(unittest.TestCase):
             logger.info(f"Login response: {session_json}")
         self.assertEqual(True, True)
 
+    def test_subtitle_apply(self):
+        subtitle_apply_input = """
+        {\"media\": \"s3://ap-northeast-2/modal-media-cache/test/bgm_nosie_reduce/outputs/fc-01JYG6NVQ1AEJMARECGN8FXDYH/output.mp4\",\n  \"subtitle\": \"s3://ap-northeast-2/modal-media-cache/upload/2d5e2674-2c03-4a83-a589-3dce96003470/1183fed3-770d-4ded-a314-ef47c37d84d7.ass\",\n  \"fonts\": [\n    \"s3://ap-northeast-2/modal-media-cache/upload/test/fonts/荆南俊俊体.ttf\"\n  ]}
+        """
+
+        request = FFMPEGSubtitleOverlayRequest.model_validate_json(subtitle_apply_input)
+        logger.info(f"request = {request.model_dump_json(indent=2, exclude_none=True)}")
+
 
 if __name__ == '__main__':
     unittest.main()