socket_parent.py 文件源码

def recv_bytes(self, connection):
        """
        Given a socket connection, receive up to 2048 bytes
        from its buffer and return that data as a bytes object.
        Returns an empty bytes object if there is no data to receive.
        """
        try:
            bytes_message = connection.recv(2048)
        except BlockingIOError:
            # Non-blocking socket couldn't immediately receive.
            return None
        except ConnectionResetError:
            self._print_message('Connection was reset.')
            self.connection.close()
            _thread.interrupt_main()

        return bytes_message