chore: fool that I am for not just using the normal custom-nodes directory...

Author: dsisco11

.devcontainer/devcontainer.json

@@ -5,7 +5,7 @@
     "context": "../..",
     "args": {
       "USERNAME": "node",
-      "PYTHON_VERSION": "3.12",
+      "PYTHON_VERSION": "3.12", // The python version which will be installed in the container
       "INVOKEAI_ROOT": "/home/node/invokeai",
       "INVOKEAI_SRC": "/workspaces/InvokeAI"
     }
@@ -33,7 +33,7 @@
       // Mount the custom-nodes folder at repo root to allow for easier custom-node development
       "type": "bind",
       "source": "${localWorkspaceFolder}/.devcontainer/mounts/custom-nodes",
-      "target": "${containerWorkspaceFolder}/invokeai/app/invocations/custom_nodes/src"
+      "target": "/home/node/invokeai/nodes"
     }
   ],
   "containerEnv": {

.devcontainer/mounts/custom-nodes/.gitignore

@@ -1,2 +1,2 @@
 # ignore any folders within this directory
-*/*
+*

invokeai/app/invocations/__init__.py

@@ -1,9 +1,5 @@
-import importlib
 from pathlib import Path
 
-# import any devcontainer mounted nodes within 'custom_nodes' as modules (devcontainer mounts them here instead of /invokeai/nodes to avoid confusing development tools like the debugger or pylance or whatever).
-importlib.import_module("invokeai.app.invocations.custom_nodes")
-
 # add core nodes to __all__
 python_files = filter(lambda f: not f.name.startswith("_"), Path(__file__).parent.glob("*.py"))
 __all__ = [f.stem for f in python_files]  # type: ignore

invokeai/app/invocations/custom_nodes/__init__.py

@@ -28,7 +28,10 @@ def load_custom_nodes(custom_nodes_path: Path, logger: logging.Logger):
     target_custom_nodes_readme_path = Path(custom_nodes_path) / "README.md"
 
     # copy our custom nodes README to the custom nodes directory
-    shutil.copy(source_custom_nodes_readme_path, target_custom_nodes_readme_path)
+    try:
+        shutil.copy(source_custom_nodes_readme_path, target_custom_nodes_readme_path)
+    except Exception as e:
+        logger.warning(f"Failed to copy custom nodes README file to {custom_nodes_path}: {e}")
 
     loaded_packs: list[str] = []
     failed_packs: list[str] = []