Nuke Python Recipes

nuke_python_recipes.py

import nuke, math
def get_closest_node(node):
    # Return the closest node to node
    distances = {}
    for n in nuke.allNodes():
        if n.name() == node.name():
            continue
        distance = math.sqrt( 
            math.pow( (node.xpos() - n.xpos()), 2 ) + math.pow( (node.ypos() - n.ypos()), 2 )
        )
        distances[n.name()] = distance
    return nuke.toNode(min(distances, key=distances.get))
        

if __name__=="__main__":
    for node in nuke.selectedNodes():
        closest = get_closest_node(node)
        print "{0} : {1}".format(node.name(), closest.name())
    
        node.setInput(0, closest)