""" Copyright (c) 2019 Intel Corporation Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. """ from extensions.ops.ReduceOps import ReduceProd from mo.front.common.partial_infer.utils import int64_array from mo.front.common.replacement import FrontReplacementOp from mo.graph.graph import Graph, Node from mo.ops.const import Const from mo.ops.shape import Shape class SizeFrontReplacer(FrontReplacementOp): """ Replace Size op by Shape -> ReduceProd operations """ op = "Size" enabled = True def replace_op(self, graph: Graph, node: Node): shape = Shape(graph, {'name': node.name + '/Shape/'}).create_node() reduce_prod = ReduceProd(graph, {'name': shape.name + 'ReduceProd/', 'keep_dims': False}).create_node() reduce_axis = Const(graph, {'value': int64_array([0])}).create_node() # Connect nodes node.in_port(0).get_connection().set_destination(shape.in_port(0)) reduce_prod.in_port(0).get_connection().set_source(shape.out_port(0)) reduce_prod.in_port(1).get_connection().set_source(reduce_axis.out_port(0)) # The "explicit" version of the return value is: [(out_node.id, 0)]) return [reduce_prod.id]