Function kill_on_error

Lib/test/_test_eintr.py:36–43

Context manager killing the subprocess if a Python exception is raised.

(proc)

@contextlib.contextmanager
def kill_on_error(proc):
    """Context manager killing the subprocess if a Python exception is raised."""
    with proc:
        try:
            yield proc
        except:
            proc.kill()
            raise


@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")