maya_utils.py

def createReplacementCgfx(material='', texturePaths={}, cgfxChannels={}, cgfxShaderPath=''):
	""" If we find a shaderFxShader type material we need to replace wiuth CGFX for export purposes """
	print 'Replacing shader with CGFX'
	#mel.eval('cgfxShader -fx "%s" ' %cgfxShaderPath)
	matName = str(material)
	shader = pm.listConnections(material, type='shadingEngine')[0]
	members = list(set(shader.members(flatten=True)))
	pm.delete(matName)
	print 'got members'

	if 'diffuse_layer0_texture' in texturePaths:
		newMat = pm.shadingNode('cgfxShader', asShader=True, name=matName)
		mel.eval('cgfxShader -e -fx "%s" %s;' %(cgfxShaderPath,newMat))

	for key in texturePaths:
		slot = cgfxChannels[key]
		texture = texturePaths[key]
		newFileNode = createFileNode()
		pm.setAttr('%s.fileTextureName' %newFileNode, texture, type='string')

		pm.connectAttr('%s.outColor'%newFileNode, '%s.%s'%(newMat,slot), force=True)
		print 'connected', newMat

	pm.select(members)
	pm.hyperShade(assign=newMat)
	print 'CGFX function complete'