def save(self, filename, callback=_noop_callback):
        """Save this file.

        :param filename: the file to which to save the .sav file
        :type filename: str
        :param callback: a progress callback function
        :type callback: function
        """
        with open(filename, 'wb') as fp:
            self._save(fp, callback)
def save ( self , filename , callback = _noop_callback ) : with open ( filename , 'wb' ) as fp : self . _save ( fp , callback )
Save this file.

        :param filename: the file to which to save the .sav file
        :type filename: str
        :param callback: a progress callback function
        :type callback: function