e11bb77f31
When BPY_python_end() is not called, there can be buffered data still in
`sys.stdout` or `sys.stderr`. This generally isn't an issue when those are
connected to a terminal, but when they are read by another process (in the case
of rendering with Flamenco, for example) we could miss the actual error message
that's causing the exit in the first place.
The following script demonstrates the issue; before this commit neither the
writes to STDERR and STDOUT nor the traceback of the NameError were shown.
#!/bin/bash
cat > file-with-errors.py <<EOT
import sys
print('THIS IS STDERR', file=sys.stderr)
print('THIS IS STDOUT', file=sys.stdout)
nonexisting.monkey = 3
EOT
blender --enable-autoexec -noaudio --background \
any-existing-blendfile.blend \
--python-exit-code 42 \
--python file-with-errors.py 2>&1 | cat
Reviewers: campbellbarton, mont29
Reviewed By: campbellbarton, mont29
Subscribers: fsiddi
Differential Revision: https://developer.blender.org/D4168