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This allows us to pack in some extra information about the failure, which guarantees that if the caller did not *intentionally* cause a failure (by capturing this Exception), some pretty good clues will be printed at the bottom of the traceback information. This will help make failures in the event of a non-negative return code more obvious when they go unhandled; the current behavior in _post_shutdown() is to print a warning message only in the event of signal-based terminations (for negative return codes). (Note: In Python, catching BaseException instead of Exception catches a broader array of Exception events, including SystemExit and KeyboardInterrupt. We do not want to "wrap" such exceptions as a VMLaunchFailure, because that will 'downgrade' the exception from a BaseException to a regular Exception. We do, however, want to perform cleanup in either case, so catch on the broadest scope and wrap-and-re-raise only in the more targeted scope.) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 20220201041134.1237016-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com> |
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| .. | ||
| __init__.py | ||
| console_socket.py | ||
| machine.py | ||
| py.typed | ||
| qtest.py | ||
| README.rst | ||
qemu.machine package ==================== This package provides core utilities used for testing and debugging QEMU. It is used by the iotests, vm tests, avocado tests, and several other utilities in the ./scripts directory. It is not a fully-fledged SDK and it is subject to change at any time. See the documentation in ``__init__.py`` for more information.