moving Assist switch to api level

condition for updating nodes

openpype/hosts/nuke/api/__init__.py

@@ -1,3 +1,4 @@
+import os
 from .workio import (
     file_extensions,
     has_unsaved_changes,
@@ -50,6 +51,8 @@ from .utils import (
     get_colorspace_list
 )
 
+ASSIST = bool(os.getenv("NUKEASSIST"))
+
 __all__ = (
     "file_extensions",
     "has_unsaved_changes",
@@ -92,5 +95,7 @@ __all__ = (
     "create_write_node",
 
     "colorspace_exists_on_node",
-    "get_colorspace_list"
+    "get_colorspace_list",
+
+    "ASSIST"
 )

openpype/hosts/nuke/api/lib.py

@@ -49,7 +49,7 @@ from openpype.pipeline.colorspace import (
 )
 from openpype.pipeline.workfile import BuildWorkfile
 
-from . import gizmo_menu
+from . import gizmo_menu, ASSIST
 
 from .workio import (
     save_file,
@@ -2263,14 +2263,17 @@ class WorkfileSettings(object):
             node['frame_range'].setValue(range)
             node['frame_range_lock'].setValue(True)
 
-        set_node_data(
-            self._root_node,
-            INSTANCE_DATA_KNOB,
-            {
-                "handleStart": int(handle_start),
-                "handleEnd": int(handle_end)
-            }
-        )
+        if not ASSIST:
+            set_node_data(
+                self._root_node,
+                INSTANCE_DATA_KNOB,
+                {
+                    "handleStart": int(handle_start),
+                    "handleEnd": int(handle_end)
+                }
+            )
+        else:
+            log.warning("NukeAssist mode is not allowing updating custom knobs...")
 
     def reset_resolution(self):
         """Set resolution to project resolution."""

openpype/hosts/nuke/api/pipeline.py

@@ -60,6 +60,7 @@ from .workio import (
     work_root,
     current_file
 )
+from . import ASSIST
 
 log = Logger.get_logger(__name__)
 
@@ -71,7 +72,6 @@ CREATE_PATH = os.path.join(PLUGINS_DIR, "create")
 INVENTORY_PATH = os.path.join(PLUGINS_DIR, "inventory")
 
 MENU_LABEL = os.environ["AVALON_LABEL"]
-ASSIST = bool(os.getenv("NUKEASSIST"))
 
 # registering pyblish gui regarding settings in presets
 if os.getenv("PYBLISH_GUI", None):