fix(image): patch realesrgan torchvision compatibility (#4110)

routes/gallery_routes.py

@@ -19,6 +19,7 @@ from src.upload_limits import (
     GALLERY_TRANSFORM_UPLOAD_MAX_BYTES,
 )
 from src.constants import GENERATED_IMAGES_DIR
+from src.optional_deps import patch_realesrgan_torchvision_compat
 
 from routes.gallery_helpers import (
     GalleryPatch, _extract_exif, _image_to_dict, _owner_filter, _human_size,
@@ -1467,6 +1468,7 @@ def setup_gallery_routes() -> APIRouter:
         img_bytes = base64.b64decode(image_b64)
         src = Image.open(io.BytesIO(img_bytes)).convert("RGB")
         try:
+            patch_realesrgan_torchvision_compat()
             from realesrgan import RealESRGANer
         except ImportError:
             return {"error": "realesrgan not installed. Install it from Cookbook → Dependencies (search 'realesrgan')."}
@@ -1516,6 +1518,7 @@ def setup_gallery_routes() -> APIRouter:
         img_bytes = base64.b64decode(image_b64)
         src = Image.open(io.BytesIO(img_bytes)).convert("RGB")
         try:
+            patch_realesrgan_torchvision_compat()
             from basicsr.archs.rrdbnet_arch import RRDBNet
             from realesrgan import RealESRGANer
         except ImportError:

routes/shell_routes.py

@@ -1,6 +1,7 @@
 """Shell routes — user-facing command execution endpoint."""
 
 import asyncio
+import importlib
 import json
 import logging
 import os
@@ -14,6 +15,7 @@ from collections import namedtuple
 from pathlib import Path
 from typing import Dict, Any
 from core.platform_compat import IS_APPLE_SILICON, which_tool
+from src.optional_deps import prepare_optional_dependency_import
 
 # POSIX-only: `pty`/`fcntl` transitively import `termios`, which does NOT exist
 # on Windows, so importing them unconditionally crashed app startup there
@@ -149,6 +151,11 @@ def _pip_dist_name(pkg: dict) -> str:
     return (pkg.get("name") or "").replace("_", "-")
 
 
+def _import_optional_dependency_for_status(name: str):
+    prepare_optional_dependency_import(name)
+    return importlib.import_module(name)
+
+
 def _package_installed_from_probe(name: str, probe: dict) -> bool:
     """Return whether an optional dependency is usable by Cookbook.
 
@@ -970,7 +977,6 @@ def setup_shell_routes() -> APIRouter:
         """
         _require_admin(request)
         _reject_cross_site(request)
-        import importlib
         import importlib.metadata as importlib_metadata
         import shlex
         import json as _json
@@ -1202,7 +1208,7 @@ def setup_shell_routes() -> APIRouter:
                     pkg["status_note"] = _package_status_note("vllm", probe)
             else:
                 try:
-                    importlib.import_module(pkg["name"])
+                    _import_optional_dependency_for_status(pkg["name"])
                     importlib_metadata.version(_pip_dist_name(pkg))
                     pkg["installed"] = True
                 except ImportError: