socket.py 文件源码

def recvfrom_into(self, *args):
        sock = self._sock
        while True:
            try:
                return sock.recvfrom_into(*args)
            except error:
                ex = sys.exc_info()[1]
                if ex.args[0] != EWOULDBLOCK or self.timeout == 0.0:
                    raise
                sys.exc_clear()
            self._wait(self._read_event)