def test_USD_4936(self):
# Test that relationships resolve correctly with nested instancing and
# instance proxies within masters.
from pxr import Usd, Sdf
l1 = Sdf.Layer.CreateAnonymous('.usd')
l1.ImportFromString('''#usda 1.0
def "W" {
def "A" (
instanceable = true
prepend references = </M>
)
{
}
}
def "M" {
def "B" (
instanceable = true
prepend references = </M2>
)
{
}
}
def "M2" {
rel r = </M2/D>
def "D" {
}
}''')
stage = Usd.Stage.Open(l1)
wab = stage.GetPrimAtPath('/W/A/B')
# prior to fixing this bug, the resulting target would be '/W/A/B/B/D'.
self.assertEqual(
wab.GetRelationship('r').GetTargets(), [Sdf.Path('/W/A/B/D')])
def test_156222(self):
from pxr import Sdf, Usd
# Test that removing all instances for a master prim and adding a new
# instance with the same instancing key as the master causes the new
# instance to be assigned to the master.
l = Sdf.Layer.CreateAnonymous('.usda')
Sdf.CreatePrimInLayer(l, '/Ref')
# The bug is non-deterministic because of threaded composition,
# but it's easier to reproduce with more instance prims.
numInstancePrims = 50
instancePrimPaths = [
Sdf.Path('/Instance_{}'.format(i))
for i in xrange(numInstancePrims)
]
for path in instancePrimPaths:
instancePrim = Sdf.CreatePrimInLayer(l, path)
instancePrim.instanceable = True
instancePrim.referenceList.Add(Sdf.Reference(primPath='/Ref'))
nonInstancePrim = Sdf.CreatePrimInLayer(l, '/NonInstance')
nonInstancePrim.referenceList.Add(Sdf.Reference(primPath='/Ref'))
s = Usd.Stage.Open(l)
self.assertEqual(len(s.GetMasters()), 1)
# Check that the master prim is using one of the instanceable prim
# index for its source.
master = s.GetMasters()[0]
masterPath = master.GetPath()
self.assertIn(master._GetSourcePrimIndex().rootNode.path,
instancePrimPaths)
# In a single change block, uninstance all of the instanceable prims,
# but mark the non-instance prim as instanceable.
with Sdf.ChangeBlock():
for path in instancePrimPaths:
l.GetPrimAtPath(path).instanceable = False
nonInstancePrim.instanceable = True
# This should not cause a new master prim to be generated; instead,
# the master prim should now be using the newly-instanced prim index
# as its source.
master = s.GetMasters()[0]
self.assertEqual(master.GetPath(), masterPath)
self.assertEqual(master._GetSourcePrimIndex().rootNode.path,
nonInstancePrim.path)
