Glyphs.app: Output composites per selected glyph

#MenuTitle: Outpout Components
# -*- coding: utf-8 -*-
"""Outputs components for each selected glyph."""

import GlyphsApp

Doc  = Glyphs.currentDocument
selectedLayers = Doc.selectedLayers()

for thisLayer in selectedLayers:
    listOfComponents = [ c.componentName for c in thisLayer.components ]
    print "%s = %s" % ( thisLayer.parent.name, " + ".join( listOfComponents ) )