def test_timings():
"""CMDX_TIMINGS outputs timing information"""
import cmdx
cmdx.createNode("transform", name="myNode")
# Trigger re-use timings
cmdx.encode("myNode")
assert cmdx.LastTiming is None
with environment("CMDX_TIMINGS") as cmdx:
cmdx.encode("myNode")
assert cmdx.LastTiming is not None, cmdx.LastTiming
def test_nodereuse_equalexist():
"""Node re-use on new, same-name nodes"""
nodeA = cmdx.createNode("transform", name="myNode")
nodeB = cmdx.createNode("transform", parent=nodeA)
assert_is(cmdx.encode("|myNode"), nodeA)
assert_is(nodeB.parent(), nodeA)
cmds.file(new=True, force=True)
assert_raises(cmdx.ExistError, cmdx.encode, "|myNode")
nodeC = cmdx.createNode("transform", name="myNode")
assert_is(cmdx.encode("|myNode"), nodeC)
def test_nodereuse():
"""Node re-use works ok"""
import cmdx
nodeA = cmdx.createNode("transform", name="myNode")
nodeB = cmdx.createNode("transform", parent=nodeA)
assert_is(cmdx.encode("|myNode"), nodeA)
assert_is(nodeB.parent(), nodeA)
with tempdir() as tmp:
fname = os.path.join(tmp, "myScene.ma")
cmds.file(rename=fname)
cmds.file(save=True, type="mayaAscii")
cmds.file(fname, open=True, force=True)
# On scene open, the current scene is closed, triggering
# the nodeDestroyed callback which invalidates the node
# for cmdx. Upon encoding this node anew, cmdx will
# allocate a new instance for it.
assert_is_not(cmdx.encode("|myNode"), nodeA)
def test_nodereuse_noexist():
"""Node re-use works on non-existent nodes"""
nodeA = cmdx.createNode("transform", name="myNode")
nodeB = cmdx.createNode("transform", parent=nodeA)
assert_is(cmdx.encode("|myNode"), nodeA)
assert_is(nodeB.parent(), nodeA)
cmds.file(new=True, force=True)
# Even if it's available for re-use, it will still throw
# a cmdx.ExistError on account of trying to fetch an MObject
# from a non-existing node.
assert_raises(cmdx.ExistError, cmdx.encode, "|myNode")
# Any operation on a deleted node raises RuntimeError
assert_raises(RuntimeError, lambda: nodeA.name())
# cmdx and cmdx interop
from maya import cmds
import cmdx
node = cmds.createNode("transform")
node = cmds.rename(node, "MyNode")
node = cmdx.encode(node)
node["rotate"] = (0, 45, 0)
cmds.select(str(node))