When writing pipeline tools, it's often useful to know which Gaffer version you are running in. In python, the Gaffer.About module is your friend:
import Gaffer
print( Gaffer.About.versionString(
Like many other applications that calculate data on-demand, Gaffer has a memory cache that can increase performance in UI sessions if you have RAM to spare.
The default size (1GB) is somewhat conservative
It can be hard to know where to start when you first start integrating a new application into a pipeline. This post is the first part in a series that takes a bottom-up