Function _net_write

dns/query.py:1100–1113

Write the specified data to the socket. A Timeout exception will be raised if the operation is not completed by the expiration time.

(sock, data, expiration)

def _net_write(sock, data, expiration):
    """Write the specified data to the socket.
    A Timeout exception will be raised if the operation is not completed
    by the expiration time.
    """
    current = 0
    l = len(data)
    while current < l:
        try:
            current += sock.send(data[current:])
        except (BlockingIOError, ssl.SSLWantWriteError):
            _wait_for_writable(sock, expiration)
        except ssl.SSLWantReadError:  # pragma: no cover
            _wait_for_readable(sock, expiration)


def send_tcp(