show-diff.FCMacro

import FreeCAD

def find_labeled_part(doc, label):
    print('### finding part with label', label)
    found = doc.findObjects(Label=label)
    if found:
        print('### found labeled part')
        return found[0]

    return None

doc = Gui.ActiveDocument.Document

Gui.ActiveDocument.ActiveView.viewIsometric()
Gui.SendMsgToActiveView("ViewFit")
Gui.Selection.clearSelection()

doc.Unnamed2.Label = 'Differences'

modified = find_labeled_part(doc, 'Modified')
modified.ViewObject.Visibility = False

previous = find_labeled_part(doc, 'Previous')
previous.ViewObject.Visibility = False

additions = find_labeled_part(doc, 'Additions')
if additions:
    additions.ViewObject.ShapeColor = (0.00,1.00,0.00)

subtractions = find_labeled_part(doc, 'Subtractions')
if subtractions:
    subtractions.ViewObject.ShapeColor = (1.00,0.00,0.00)