Nuke Python API Reference

17.1

Introduction
Start-up Scripts
Getting Started
Nuke as a Python Module
Animation
Using the Command-line
Callbacks
Stereo
3D
Roto and RotoPaint
Accessing Image Data
Custom Panels
Extending NUKE with PySide
Customizing the UI
Custom Flipbooks
Metadata
Working with Channels and Layers
Manipulating the Node Graph
Formats
Math
Asset Management Systems / Pipeline Integration
OpenAssetIO Integration
Graph Scope Variables / Multi-shot Set-up
Threading
Render Farm Integration (Concept)
Performance Profiling
Installing Plug-ins
Sample Scripts

API Reference

nuke
nuke.curveknob
nuke.curvelib
nuke.gsv
nuke.localization
nuke.memory2
nuke.nukemath
nuke.rotopaint
nuke.splinewarp
nukescripts

Nuke Python API Reference

nuke.localization
nuke.localization.forceUpdateOnDemand

nuke.localization.forceUpdateOnDemand

nuke.localization.forceUpdateOnDemand()

forceUpdateAll() -> None

Update all on-demand localized files

Returns:: None

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© Copyright 2026, The Foundry. Python API Reference for Nuke 17.1v1. Last updated on Jul 31, 2026.