def moveRows(self, parent, index_to, index_from, length):
        """Move a sub sequence in a list

        index_to must be smaller than index_from
        """
        source = self.getItem(parent).childItems

        self.beginMoveRows(
            parent, index_from, index_from + length - 1, parent, index_to
        )

        sublist = [source.pop(index_from) for _ in range(length)]

        for _ in range(length):
            source.insert(index_to, sublist.pop())

        self.endMoveRows()
def moveRows(self, parent, index_to, index_from, length):
        
        source = self.getItem(parent).childItems

        self.beginMoveRows(
            parent, index_from, index_from + length - 1, parent, index_to
        )

        sublist = [source.pop(index_from) for _ in range(length)]

        for _ in range(length):
            source.insert(index_to, sublist.pop())

        self.endMoveRows()
def moveRows ( self , parent , index_to , index_from , length ) : source = self . getItem ( parent ) . childItems self . beginMoveRows ( parent , index_from , index_from + length - 1 , parent , index_to ) sublist = [ source . pop ( index_from ) for _ in range ( length ) ] for _ in range ( length ) : source . insert ( index_to , sublist . pop ( ) ) self . endMoveRows ( )
Move a sub sequence in a list

        index_to must be smaller than index_from
Move a sub sequence in a list