Script to decompose components with mismatched 2x2 matrix

decompose_var.py

# Script to decompose components with mismatched 2x2 matrix
# See https://github.com/googlefonts/fontmake/issues/595
for glyph in Glyphs.font.glyphs:
	#print glyph
	xforms = []
	mismatch = []
	for (i, layer) in enumerate(glyph.layers):
		for (j, component) in enumerate(layer.components):
			if i == 0:
				xforms.append(component.transform)
			else:
				if xforms[j][:4] != component.transform[:4]:
					if j not in mismatch:
						mismatch.append(j)
	if mismatch:
		print glyph.name, mismatch
		mismatch.reverse()
		for layer in glyph.layers:
			for j in mismatch:
				layer.components[j].decompose()