scripts-blender/addons/asset_pipeline_2/visability.py

@@ -0,0 +1,46 @@
+import bpy
+import contextlib
+
+from typing import Optional
+
+
+def get_visibility_driver(obj) -> Optional[bpy.types.FCurve]:
+    obj = bpy.data.objects.get(obj.name)
+    assert obj, "Object was renamed while its visibility was being ensured?"
+    if hasattr(obj, "animation_data") and obj.animation_data:
+        return obj.animation_data.drivers.find("hide_viewport")
+
+
+@contextlib.contextmanager
+def override_obj_visability(obj):
+    hide = obj.hide_get()  # eye icon
+    hide_viewport = obj.hide_viewport  # hide viewport
+    select = obj.hide_select  # selectable
+
+    driver = get_visibility_driver(obj)
+    if driver:
+        driver_mute = driver.mute
+
+    try:
+        obj.hide_set(False)
+        obj.hide_viewport = False
+        obj.hide_select = False
+        if driver:
+            driver.mute = True
+
+        assigned_to_scene_root = False
+        if obj.name not in bpy.context.scene.collection.objects:
+            assigned_to_scene_root = True
+            bpy.context.scene.collection.objects.link(obj)  # TODO Pass Current Scene
+
+        yield
+
+    finally:
+        obj.hide_set(hide)
+        obj.hide_viewport = hide_viewport
+        obj.hide_select = select
+        if driver:
+            driver.mute = driver_mute
+
+        if assigned_to_scene_root and obj.name in bpy.context.scene.collection.objects:
+            bpy.context.scene.collection.objects.unlink(obj)  # TODO Pass Current Scene