Ensure file is correctly uploaded by the GenAI SDK (#140969)

Opened the file outside of the SDK

Author: IvanLH

homeassistant/components/google_generative_ai_conversation/__init__.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import mimetypes
 from pathlib import Path
 
 from google import genai  # type: ignore[attr-defined]
@@ -83,7 +84,12 @@ def append_files_to_prompt():
                     )
                 if not Path(filename).exists():
                     raise HomeAssistantError(f"`{filename}` does not exist")
-                prompt_parts.append(client.files.upload(file=filename))
+                mimetype = mimetypes.guess_type(filename)[0]
+                with open(filename, "rb") as file:
+                    uploaded_file = client.files.upload(
+                        file=file, config={"mime_type": mimetype}
+                    )
+                    prompt_parts.append(uploaded_file)
 
         await hass.async_add_executor_job(append_files_to_prompt)
 

tests/components/google_generative_ai_conversation/test_init.py

@@ -1,6 +1,6 @@
 """Tests for the Google Generative AI Conversation integration."""
 
-from unittest.mock import AsyncMock, Mock, patch
+from unittest.mock import AsyncMock, Mock, mock_open, patch
 
 import pytest
 from requests.exceptions import Timeout
@@ -71,6 +71,8 @@ async def test_generate_content_service_with_image(
         ),
         patch("pathlib.Path.exists", return_value=True),
         patch.object(hass.config, "is_allowed_path", return_value=True),
+        patch("builtins.open", mock_open(read_data="this is an image")),
+        patch("mimetypes.guess_type", return_value=["image/jpeg"]),
     ):
         response = await hass.services.async_call(
             "google_generative_ai_conversation",