June 18, 2024
#Python and Scripts

How to create and run a python script in nuke ?

To create a Python script in Nuke, you can follow these steps:

  1. Open Nuke: Make sure you have Nuke installed on your computer. Launch Nuke to get started.

  2. Script Editor: In Nuke, open the Script Editor by going to the menu bar and clicking on Windows > Script Editor.

  3. Create the Python Script: In the Script Editor, you can write your Python code. Nuke’s Python API allows you to manipulate nodes, create custom tools, automate tasks, and much more. Write your Python code in the editor.

For example, let’s create a simple script that creates a “Constant” node and connects it to the main input of the viewer:

Open Nuke: First, make sure you have Nuke installed on your computer. Launch Nuke to get started.

  1. Script Editor: In Nuke, there is a built-in Script Editor where you can write and execute Python scripts. To open the Script Editor, go to the menu bar and click on Windows > Script Editor.

  2. Write Your Python Script: In the Script Editor, you can write your Python code. Nuke’s Python API allows you to manipulate nodes, create custom tools, automate tasks, and much more.

Here’s a simple example of a Python script that creates a “Read” node and sets its file path:

 

 

  1. Running the Script: Once you’ve written your Python script in the Script Editor, you can execute it in a couple of ways:

    a. Highlight the script (select all the lines you want to run) and press Ctrl+Enter (or Cmd+Enter on Mac) to execute the selected lines.

    b. If you want to run the entire script, you can press F5 to execute it.

  2. Observing the Results: After running the script, Nuke will create a “Constant” node and connect it to the main input of the viewer. You should see a black frame in the viewer, as the “Constant” node generates a black image.

  3. Saving the Script: If you want to save the Python script for later use, you can go to the menu bar and click on File > Save As, then give your script a name and save it with a .py extension.

That’s it! You have now created and executed a Python script in Nuke. You can continue exploring Nuke’s Python API and develop more complex scripts to streamline your workflow and perform various tasks in Nuke.

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