Return InvokeResponse when handling exception (#52)

Reraising the exception instead of returning InvokeResponse here will
cause the plugin-controller to raise a pydantic validation error for the
plugin response and as a result, the plugin error info will not be shown
to the user.

Author: six5532one

unstructured_platform_plugins/__version__.py

@@ -1 +1 @@
-__version__ = "0.0.31"  # pragma: no cover
+__version__ = "0.0.32" # pragma: no cover

unstructured_platform_plugins/etl_uvicorn/api_generator.py

@@ -212,7 +212,14 @@ async def _stream_response():
             logger.error(
                 f"HTTPException: {exc.detail} (status_code={exc.status_code})", exc_info=True
             )
-            raise
+            return InvokeResponse(
+                usage=usage,
+                message_channels=message_channels,
+                filedata_meta=filedata_meta_model.model_validate(filedata_meta.model_dump()),
+                status_code=wrap_error(exc).status_code,
+                status_code_text=f"[{exc.__class__.__name__}] {exc}",
+                file_data=request_dict.get("file_data", None),
+            )
         except UnrecoverableException as ex:
             logger.info("Unrecoverable error occurred during plugin invocation")
             return InvokeResponse(