selector_events.py 文件源码

def _sock_sendall(self, fut, registered, sock, data):
        fd = sock.fileno()

        if registered:
            self.remove_writer(fd)
        if fut.cancelled():
            return

        try:
            n = sock.send(data)
        except (BlockingIOError, InterruptedError):
            n = 0
        except Exception as exc:
            fut.set_exception(exc)
            return

        if n == len(data):
            fut.set_result(None)
        else:
            if n:
                data = data[n:]
            self.add_writer(fd, self._sock_sendall, fut, True, sock, data)