def testRenameUniqueName(self):
# open tree.ma scene in testSamples
mayaUtils.openTreeScene()
# clear selection to start off
cmds.select(clear=True)
# select a USD object.
mayaPathSegment = mayaUtils.createUfePathSegment('|Tree_usd|Tree_usdShape')
usdPathSegment = usdUtils.createUfePathSegment('/TreeBase/trunk')
trunkPath = ufe.Path([mayaPathSegment, usdPathSegment])
trunkItem = ufe.Hierarchy.createItem(trunkPath)
ufe.GlobalSelection.get().append(trunkItem)
# get the USD stage
stage = mayaUsd.ufe.getStage(str(mayaPathSegment))
# by default edit target is set to the Rootlayer.
self.assertEqual(stage.GetEditTarget().GetLayer(), stage.GetRootLayer())
# rename `/TreeBase/trunk` to `/TreeBase/leavesXform`
cmds.rename("leavesXform")
# get the prim
item = ufe.GlobalSelection.get().front()
usdPrim = stage.GetPrimAtPath(str(item.path().segments[1]))
self.assertTrue(usdPrim)
# the new prim name is expected to be "leavesXform1"
assert ([x for x in stage.Traverse()] == [stage.GetPrimAtPath("/TreeBase"),
stage.GetPrimAtPath("/TreeBase/leavesXform"),
stage.GetPrimAtPath("/TreeBase/leavesXform/leaves"),
stage.GetPrimAtPath("/TreeBase/leavesXform1"),])
def testParentingToGPrim(self):
'''Parenting an object to UsdGeomGprim object is not allowed'''
# open tree scene
mayaUtils.openTreeScene()
with self.assertRaises(RuntimeError):
cmds.parent("|Tree_usd|Tree_usdShape,/TreeBase/trunk",
"|Tree_usd|Tree_usdShape,/TreeBase/leavesXform/leaves")
def testRename(self):
# open tree.ma scene in testSamples
mayaUtils.openTreeScene()
# clear selection to start off
cmds.select(clear=True)
# select a USD object.
mayaPathSegment = mayaUtils.createUfePathSegment('|Tree_usd|Tree_usdShape')
usdPathSegment = usdUtils.createUfePathSegment('/TreeBase')
treebasePath = ufe.Path([mayaPathSegment, usdPathSegment])
treebaseItem = ufe.Hierarchy.createItem(treebasePath)
ufe.GlobalSelection.get().append(treebaseItem)
# get the USD stage
stage = mayaUsd.ufe.getStage(str(mayaPathSegment))
# by default edit target is set to the Rootlayer.
self.assertEqual(stage.GetEditTarget().GetLayer(), stage.GetRootLayer())
self.assertTrue(stage.GetRootLayer().GetPrimAtPath("/TreeBase"))
# get default prim
defaultPrim = stage.GetDefaultPrim()
self.assertEqual(defaultPrim.GetName(), 'TreeBase')
# TreeBase has two childern: leavesXform, trunk
assert len(defaultPrim.GetChildren()) == 2
# get prim spec for defaultPrim
primspec = stage.GetEditTarget().GetPrimSpecForScenePath(defaultPrim.GetPath());
# set primspec name
primspec.name = "TreeBase_potato"
# get the renamed prim
renamedPrim = stage.GetPrimAtPath('/TreeBase_potato')
# One must use the SdfLayer API for setting the defaultPrim when you rename the prim it identifies.
stage.SetDefaultPrim(renamedPrim);
# get defaultPrim again
defaultPrim = stage.GetDefaultPrim()
self.assertEqual(defaultPrim.GetName(), 'TreeBase_potato')
# make sure we have a valid prims after the primspec rename
assert stage.GetPrimAtPath('/TreeBase_potato')
assert stage.GetPrimAtPath('/TreeBase_potato/leavesXform')
# prim should be called TreeBase_potato
potatoPrim = stage.GetPrimAtPath('/TreeBase_potato')
self.assertEqual(potatoPrim.GetName(), 'TreeBase_potato')
# prim should be called leaves
leavesPrimSpec = stage.GetObjectAtPath('/TreeBase_potato/leavesXform/leaves')
self.assertEqual(leavesPrimSpec.GetName(), 'leaves')
def testDuplicateProxyStageFileBacked(self):
'''
Verify stage from file is duplicated properly.
'''
# open tree.ma scene
mayaUtils.openTreeScene()
# clear selection to start off
cmds.select(clear=True)
# select a USD object.
mayaPathSegment = mayaUtils.createUfePathSegment(
'|Tree_usd|Tree_usdShape')
usdPathSegment = usdUtils.createUfePathSegment('/TreeBase')
treebasePath = ufe.Path([mayaPathSegment])
treebaseItem = ufe.Hierarchy.createItem(treebasePath)
# TreeBase has two children
self.assertEqual(1,
len(ufe.Hierarchy.hierarchy(treebaseItem).children()))
# get the USD stage
stage = mayaUsd.ufe.getStage(str(mayaPathSegment))
# by default edit target is set to the Rootlayer.
self.assertEqual(stage.GetEditTarget().GetLayer(),
stage.GetRootLayer())
# add treebaseItem to selection list
ufe.GlobalSelection.get().append(treebaseItem)
# duplicate
cmds.duplicate()
# get the next item in UFE selection list.
snIter = iter(ufe.GlobalSelection.get())
duplStageItem = next(snIter)
# duplicated stage name is expected to be incremented correctly
self.assertEqual(str(duplStageItem.nodeName()), "Tree_usd1")
# duplicated proxyShape name is expected to be incremented correctly
duplProxyShapeHier = ufe.Hierarchy.hierarchy(duplStageItem)
duplProxyShapeItem = duplProxyShapeHier.children()[0]
self.assertEqual(str(duplProxyShapeItem.nodeName()), "Tree_usd1Shape")
# duplicated ProxyShapeItem should have exactly one child
self.assertEqual(
1, len(ufe.Hierarchy.hierarchy(duplProxyShapeItem).children()))
# child name is expected to be Capsule1
childName = str(
ufe.Hierarchy.hierarchy(duplProxyShapeItem).children()
[0].nodeName())
self.assertEqual(childName, "TreeBase")
# validate session name and anonymous tag name
duplStage = mayaUsd.ufe.getStage(
str(ufe.PathString.path('|Tree_usd1|Tree_usd1Shape')))
self.assertEqual(duplStage.GetLayerStack()[0],
duplStage.GetSessionLayer())
self.assertEqual(duplStage.GetEditTarget().GetLayer(),
duplStage.GetRootLayer())
self.assertEqual(True, "-session"
in duplStage.GetSessionLayer().identifier)
self.assertEqual(True, "tree.usd"
in duplStage.GetRootLayer().identifier)
# delete "/TreeBase"
cmds.delete('|Tree_usd1|Tree_usd1Shape,/TreeBase')
# confirm that edits are shared. Both source and duplicated proxyShapes have no children now.
self.assertEqual(
0, len(ufe.Hierarchy.hierarchy(duplProxyShapeItem).children()))
self.assertEqual(0,
len(ufe.Hierarchy.hierarchy(treebaseItem).children()))