mayapy segfaults when trying to scene files with references locked (not
attributes but the ref node itself is locked)
Maya Version: Autodesk Maya 2017 Update 4
Repro:
1. Create a file reference(any maya file, contents do not matter) in an
empty maya scene.
2. Right-click on the referenced node in the outliner.
3. In the context menu select Reference > Lock.
4. Save the file.
5. Run the following script in the mayapy interpreter ($ mayapy lock.py)
# lock.pyimport maya.standalone
maya.standalone.initialize()
import maya.cmds as cmds
cmds.file(
'path/to/file/in/repro/step/4/above',
open=True,
force=True)
maya.standalone.uninitialize()
mayapy will segfault with the following stack trace:
* Stack trace: TfileUtil::lockReference(TsceneFile*)
TloadReference::lockReference(TsceneFile*)
TloadReference::lockAllReferences(TsceneFile*)
TglobalTranslator::doReadFile(TsceneFile&, bool, bool)
TfileUtil::readFile(TsceneFile*, bool, bool, bool)
TsceneOperator::openFile(TsceneFile*, bool, bool)
TfileCmd::handleFileOpenFlag(TargDatabase&, TsceneFile*)
TfileCmd::handleFlags(TargDatabase&, TsceneFile*, TnamespaceSwapper*,
TgraphDiff*) TfileCmd::handleFlags(TargDatabase&, Tstring const&)
TfileCmd::doCommand(TargList&)
TpythonInterpreter::dispatchMayaCommand(TmetaCommand&, _object*, _object*)
PyEval_EvalFrameEx PyEval_EvalCodeEx PyEval_EvalCode PyRun_FileExFlags
PyRun_SimpleFileExFlags Py_Main __libc_start_main /<maya intall
dir>/bin/python-bin() [0x400649] *
All the calls starting with Py** at the bottom of the stack trace are
standard Python C API functions.
Did anyone experience this? If yes it there a way around this (using mayapy).
I could not find this in the know bugs.
For what it's worth -
This works flawlessly calling python from mel non-gui mode of maya binary
for interactive non-gui mode.
maya -prompt -command "python(\"import maya.cmds as
cmds;cmds.file(\\\"path/to/file/in/repro/step/4/above\\\", open=True,
force=True)\");quit -f;"
Thanks,
- Alok
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