nuke.addBeforeBackgroundRender

nuke.addBeforeBackgroundRender(call, args=(), kwargs={})

Add code to execute before starting any background renders. The call must be in the form of: def foo(context):

pass

The context object that will be passed in is a dictionary containing the following elements: id => The identifier for the task that’s about to begin

Please be aware that the current Nuke context will not make sense in the callback (e.g. nuke.thisNode will return a random node).