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UnrealEngine/Engine/Source/ThirdParty/Alembic/alembic-1.8.7/python/PyAlembic/Tests/testLayer.py
2025-05-18 13:04:45 +08:00

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Python

#-******************************************************************************
#
# Copyright (c) 2016,
# Sony Pictures Imageworks Inc. and
# Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Sony Pictures Imageworks, nor
# Industrial Light & Magic, nor the names of their contributors may be used
# to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#-******************************************************************************
import unittest
from alembic.Abc import *
from alembic.AbcCoreAbstract import *
class LayerTest(unittest.TestCase):
def testObjExport(self):
"""write a few oarchives to test layering on objects"""
# writing the boring base
layerA = OArchive( 'layerObjA.abc' )
objAA = OObject( layerA.getTop(), "A" )
objAAA = OObject( objAA, "A" )
objAB = OObject( layerA.getTop(), "B" )
objABA = OObject( objAB, "A" )
objABB = OObject( objAB, "B" )
objAC = OObject( layerA.getTop(), "C" )
objACA = OObject( objAC, "A" )
objACB = OObject( objAC, "B" )
# writing the more exciting layer
layerB = OArchive( 'layerObjB.abc' )
objBA = OObject( layerB.getTop(), "A" )
objBAA = OObject( objBA, "A" )
objBAAB = OObject( objBAA, "B" ) # newly added
objBAB = OObject( objBA, "B" ) # newly added
md = MetaData()
SetReplace(md, True)
objBB = OObject( layerB.getTop(), "B", md)
objBBC = OObject( objBB, "C" ) # with replace A and B will be gone
md = MetaData()
SetPrune(md, True)
objBC = OObject( layerB.getTop(), "C", md )
def testObjImport(self):
"""read the archives as layered to test layering on objects"""
arch = IArchive(['layerObjB.abc', 'layerObjA.abc'])
obj = arch.getTop()
self.assertEqual(obj.getNumChildren(), 2)
objA = IObject(obj, 'A')
self.assertEqual(objA.getNumChildren(), 2)
objAA = IObject(objA, 'A')
self.assertEqual(objAA.getNumChildren(), 1)
objAAB = IObject(objAA, 'B')
self.assertEqual(objAAB.getNumChildren() == 0, objAAB.valid())
objAB = IObject(objA, 'B')
self.assertTrue(objAB.valid() and objAB.getNumChildren() == 0)
objB = IObject(obj, 'B')
self.assertTrue(objB.getNumChildren() == 1 and IObject(objB, 'C').valid())
def testPropExport(self):
"""write a few oarchives to test property layering"""
# writing the boring base
layerA = OArchive( 'layerPropA.abc' )
propAA = OCompoundProperty( layerA.getTop().getProperties(), "A" )
propAAA = OCompoundProperty( propAA, "A" )
propAB = OCompoundProperty( layerA.getTop().getProperties(), "B" )
propABA = OCompoundProperty( propAB, "A" )
propABB = OCompoundProperty( propAB, "B" )
propAC = OCompoundProperty( layerA.getTop().getProperties(), "C" )
propACA = OCompoundProperty( propAC, "A" )
propACB = OCompoundProperty( propAC, "B" )
# writing the more exciting layer
layerB = OArchive( 'layerPropB.abc' )
propBA = OCompoundProperty( layerB.getTop().getProperties(), "A" )
propBAA = OCompoundProperty( propBA, "A" )
propBAAB = OCompoundProperty( propBAA, "B" ) # newly added
propBAB = OCompoundProperty( propBA, "B" ) # newly added
md = MetaData()
SetReplace(md, True)
propBB = OCompoundProperty( layerB.getTop().getProperties(), "B", md)
propBBC = OCompoundProperty( propBB, "C" )
md = MetaData()
SetPrune(md, True)
propBC = OCompoundProperty( layerB.getTop().getProperties(), "C", md )
def testPropImport(self):
"""read the archives as layered to test property layering"""
arch = IArchive(['layerPropB.abc', 'layerPropA.abc'])
prop = arch.getTop().getProperties()
self.assertEqual(prop.getNumProperties(), 2)
propA = ICompoundProperty(prop, 'A')
self.assertEqual(propA.getNumProperties(), 2)
propAA = ICompoundProperty(propA, 'A')
self.assertEqual(propAA.getNumProperties(), 1)
propAAB = ICompoundProperty(propAA, 'B')
self.assertTrue(propAAB.getNumProperties() == 0 and propAAB.valid())
propAB = ICompoundProperty(propA, 'B')
self.assertTrue(propAB.valid() and propAB.getNumProperties() == 0)
propB = ICompoundProperty(prop, 'B')
self.assertTrue(propB.getNumProperties() == 1 and ICompoundProperty(propB, 'C').valid())