当asyncio.StreamWriter暂停时,可以通过使用asyncio.ensure_future或asyncio.create_task将charms直接写入writer中,以避免阻塞程序并确保writer成功写入所有数据。
示例代码:
async def write_data(writer): # 确保writer成功写入所有数据 await writer.drain()
async def main(): writer = await asyncio.StreamWriter.connect(('example.com', 80)) # 判断writer是否暂停 if writer.transport.is_paused(): # 使用asyncio.ensure_future或asyncio.create_task将charms直接写入writer asyncio.ensure_future(writer.write(b"Hello, world!")) else: # 写入数据并flush writer.write(b"Hello, world!") await write_data(writer)
await writer.wait_closed()
asyncio.run(main())