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Create custom Editor Modes in Unreal Engine using TAPython with JSON UI definition and Python logic, no C++ required.
Howto Tue, 16 Dec 2025

How to Create Editor Modes with TAPython

Starting from TAPython v1.3.0, you can quickly create custom Editor Modes using JSON for UI definition and Python for logic, without writing any C++ code, with support for live hot-reloading.

A image shows the usage of inspect module to get the variable in the upper scope.
TipsOfDay Thu, 31 Aug 2023

Get Chameleon Instance Variable

This article will introduce the scope of Chameleon tool instance variables and how to get the variables of other tool instances in Chameleon tools. So we can control other Chameleon Tool in one tool.

The addition of dynamically generated buttons in Unreal Engine showcased the dynamic capabilities beautifully.
Howto Sat, 24 Jun 2023

Next Step, Dynamic Creation

In the latest TAPython, we can dynamically add widgets through Python code, now we can do some cooler things.

The separated python file for each Unreal Engine classes
TipsOfDay Fri, 18 Nov 2022

Split unreal.py for a better development experience

Code highlighting and auto-completion in PyCharm and VSCode provide efficiency when developing python editor tools. However, the unreal-generated stub file unreal.py becomes larger with each newer Unreal engine, causing low memory issues and slower performance in PyCharm. The author suggests splitting the unreal.py file into smaller files by class name to improve development efficiency.

Fibonacci buttons preview in Unreal Engine Slate
Howto Sat, 02 Jul 2022

Using Live Templates To Speed Up UE Slate UI Creation

The Sketch tool of TAPython let developer preview the unreal Slate UI in realtime. With the live-templates in Pycharm, it can be considerably faster when coding the UI widgets. In this article I will introduce how to use Live-Templates in pycharm and try to code this UI in less than 90 seconds