environment.py 文件源码

def _teardown_webserver(self):
        LOG.info("Stopping stub web server ...")
        try:
            self.webserver.terminate()
            for i in range(0, 15):
                if self.webserver.poll() is not None:
                    LOG.info("Stub web server has stopped.")
                    break
                time.sleep(1)
            else:
                LOG.warning(
                    '15 seconds have passed since sending SIGTERM to the stub '
                    'web server. It is still alive. Send SIGKILL.')
                self.webserver.kill()
                self.webserver.wait()  # collect zombie
        except OSError as e:
            if e.errno == errno.ESRCH:
                return
            raise