test_stdio.py 文件源码

def _spawnProcess(self, proto, sibling, *args):
        import twisted
        subenv = dict(os.environ)
        subenv['PYTHONPATH'] = os.pathsep.join(
            [os.path.abspath(
                    os.path.dirname(os.path.dirname(twisted.__file__))),
             subenv.get('PYTHONPATH', '')
             ])
        return reactor.spawnProcess(
            proto,
            sys.executable,
            [sys.executable,
             filepath.FilePath(__file__).sibling(sibling).path,
             reactor.__class__.__module__] + list(args),
            env=subenv,
            )