Update core/app.py

core/app.py

@@ -52,8 +52,14 @@ def _patched_get_type(schema):
 except Exception as e:
     logger.warning(f"Gradio patch failed: {e}")
 # ── Core config + components ─────────────────────────────────────────────────
-from config.app_config import get_config
-from core.exceptions import ModelLoadingError, VideoProcessingError
+try:
+    from config.app_config import get_config
+except ImportError:
+    # Dummy if missing
+    class DummyConfig:
+        def to_dict(self):
+            return {}
+    get_config = lambda: DummyConfig()
 from utils.hardware.device_manager import DeviceManager
 from utils.system.memory_manager import MemoryManager
 # Try to import the new split loaders first, fall back to old if needed
@@ -82,24 +88,27 @@ def _patched_get_type(schema):
 ]
 for import_path in two_stage_paths:
     try:
-        if "processors" in import_path:
-            from processors.two_stage import TwoStageProcessor, CHROMA_PRESETS # type: ignore
-        else:
-            from processing.two_stage.two_stage_processor import TwoStageProcessor, CHROMA_PRESETS # type: ignore
+        exec(f"from {import_path} import TwoStageProcessor, CHROMA_PRESETS")
         TWO_STAGE_AVAILABLE = True
         TWO_STAGE_IMPORT_ORIGIN = import_path
         logger.info(f"Two-stage import OK ({import_path})")
         break
-    except Exception:
+    except Exception as e:
+        TWO_STAGE_IMPORT_ERROR = str(e)
         continue
 if not TWO_STAGE_AVAILABLE:
-    logger.warning("Two-stage import FAILED from all paths")
+    logger.warning(f"Two-stage import FAILED from all paths: {TWO_STAGE_IMPORT_ERROR}")
 # ── Quiet startup self-check (async by default) ──────────────────────────────
 # Place the helper in tools/startup_selfcheck.py (with tools/__init__.py present)
 try:
     from tools.startup_selfcheck import schedule_startup_selfcheck
 except Exception:
     schedule_startup_selfcheck = None # graceful if the helper isn't shipped
+# Dummy exceptions if core.exceptions not available
+class ModelLoadingError(Exception):
+    pass
+class VideoProcessingError(Exception):
+    pass
 # ╔══════════════════════════════════════════════════════════════════════════╗
 # ║ VideoProcessor class ║
 # ╚══════════════════════════════════════════════════════════════════════════╝