61 lines
2.5 KiB
Python
61 lines
2.5 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 extensions.front.tf.pad_tf_to_pad import PadTFToPad
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from mo.front.common.replacement import FrontReplacementSubgraph
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from mo.front.subgraph_matcher import SubgraphMatch
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from mo.graph.graph import Graph
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from mo.ops.const import Const
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from mo.utils.error import Error
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class TransposeOrderNormalizer(FrontReplacementSubgraph):
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"""
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Transpose operation requires information about order, that is represented in original frameworks differently:
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- by layer parameter
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- by 1-port input value
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TransposeOrderNormalizer reforms Transpose operations to store axis info in 1-port input.
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"""
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enabled = True
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def run_before(self):
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# refer to the comments of the ObjectDetectionAPIPreprocessorReplacement transformation in the
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# <MO_DIR>/extensions/front/tf/ObjectDetectionAPI.py file for more details why this dependency is needed.
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return [PadTFToPad]
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def pattern(self):
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return dict(
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nodes=[
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('transpose', dict(type='Transpose'))
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],
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edges=[]
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)
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def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
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node = match['transpose']
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connected_in_ports = [port for port in node.in_ports().values() if not port.disconnected()]
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if len(connected_in_ports) == 1:
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if node.has_valid('order'):
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const = Const(graph, {'value': node.order}).create_node()
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node.add_input_port(1, skip_if_exist=True)
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const.out_port(0).connect(node.in_port(1))
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del graph.node[node.id]['order']
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elif node.has('order') and node.order is None:
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assert node.has_and_set('reverse_order')
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else:
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raise Error('Can not deduce transpose `order` for {}: only one in_port and no `order` parameter.'
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''.format(node.soft_get('name', node.id)))
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