#NEWLINE# def __unicode__( self ) : #NEWLINE# #INDENT# ' provide a nice str repr of our rolling object ' #NEWLINE# attrs = [ '{k}={v}' . format ( k = k , v = getattr ( k , k ) ) for k in self . _attributes if ( getattr ( self , k , None ) is not None ) ] #NEWLINE# return '{klass} [{attrs}]' . format ( klass = self . _window_type , attrs = ',' . join ( attrs ) )