def __init__(self, filename, **kwargs):
        QObject.__init__(self)

        self._file_size = 0
        self._source = None
        """ :type: segyio.SegyFile """
        self.set_source_filename(filename, **kwargs)
        self._source_filename = filename
def __init__ ( self , filename , ** kwargs ) : QObject . __init__ ( self ) self . _file_size = 0 self . _source = None self . set_source_filename ( filename , ** kwargs ) self . _source_filename = filename
:type: segyio.SegyFile