(self, size, **kwargs)
Reads some data from the file, returning the data.

        :param size:    The requested length of the read
        :return:        A tuple of the data read and the real length of the read
Reads some data from the file, returning the data.
Reads some data from the file returning the data .
def read_data(self, size, **kwargs):
        """
        Reads some data from the file, returning the data.

        :param size:    The requested length of the read
        :return:        A tuple of the data read and the real length of the read
        """
        raise NotImplementedError
def read_data ( self , size , * * kwargs ) : raise NotImplementedError