tracing.py 文件源码

def stop(self) -> Awaitable:
        """Stop."""
        contentPromise = asyncio.get_event_loop().create_future()
        self._client.once(
            'Tracing.tracingComplete',
            lambda event: asyncio.ensure_future(
                self._readStream(event.get('stream'), self._path)
            ).add_done_callback(
                lambda fut: contentPromise.set_result(
                    fut.result())  # type: ignore
            )
        )
        await self._client.send('Tracing.end')
        self._recording = False
        return await contentPromise