import maya.app.renderSetup.model.override as override
import maya.app.renderSetup.model.selector as selector
import maya.app.renderSetup.model.collection as collection
import maya.app.renderSetup.model.renderLayer as renderLayer
import maya.app.renderSetup.model.renderSetup as renderSetup
import maya.cmds as cmds

rs = renderSetup.instance()

defaultRenderLayer = rs.getDefaultRenderLayer()
defaultRenderLayer.getChildren()
defaultRenderLayer.name()

visibleRenderLayer = rs.getVisibleRenderLayer()

if visibleRenderLayer == defaultRenderLayer:
    pass

renderLayers = rs.getRenderLayers()
if not renderLayers:
    pass

variant_layers = {}

for variant in variants:
    name = "variant {0}".format(variant)
    rLayer = rs.createRenderLayer(name)
    variant_layers[variant] = rLayer



assetNode = pm.PyNode(assetName)

shapes = assetNode.listRelatives(ad=True, type='shape')

assert not shapes, "There are no shapes"

geometry = []

for shape in shapes:
    geometry.append(shape.getParent())

for name, variantLayer in variant_layers.iteritems():
    collection_name = "geometry_{0}".format(name)
    collection = variantLayer.createCollection(collection_name)
    selector = collection.getSelector()
    selector

variant_name = variant
geometry_collection = variant_layers[variant].getCollectionByName("geometry_{0}".format(variant))
selector = geometry_collection.getSelector()
# pm.select(geometry, replace=True)
geos = ','.join(map(lambda geo: geo.longName(),geometry))
selector.setPattern(geos)
for dagPath in selector.paths():
    print dagPath.fullPathName()


selector.setPattern("")