40 lines
1.7 KiB
Python
40 lines
1.7 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from mo.front.common.partial_infer.utils import int64_array
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from mo.front.common.replacement import FrontReplacementOp
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from mo.graph.graph import Node, Graph
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from mo.ops.concat import Concat
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from mo.ops.expand_dims import ExpandDims
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class Pack(FrontReplacementOp):
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op = "Pack"
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enabled = True
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def replace_op(self, graph: Graph, node: Node):
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out_node = Concat(graph, {'axis': node.axis, 'in_ports_count': len(node.in_ports()),
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'name': node.name + '/Concat_', }).create_node()
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for ind in node.in_ports():
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expand_dims_node = ExpandDims(graph, {'expand_axis': int64_array([node.axis]),
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'name': node.name + '/ExpandDims_'}).create_node()
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node.in_port(ind).get_connection().set_destination(expand_dims_node.in_port(0))
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expand_dims_node.out_port(0).connect(out_node.in_port(ind))
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# Replace edge from out port 0 of the matched node with a edge from node out_node.id with port 0.
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# The "explicit" version of the return value is: [(out_node.id, 0)])
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return [out_node.id]
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