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+"""
+ Copyright (c) 2018 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.
+"""
+
+import numpy as np
+
+from mo.front.caffe.extractors.utils import embed_input
+from mo.front.common.partial_infer.elemental import copy_shape_infer
+from mo.front.extractor import FrontExtractorOp
+from mo.front.kaldi.loader.utils import read_binary_integer32_token, read_blob
+from mo.ops.permute import Permute
+
+
+class CopyFrontExtractor(FrontExtractorOp):
+ op = 'copy'
+ enabled = True
+
+ @staticmethod
+ def extract(node):
+ pb = node.parameters
+ weights_size = read_binary_integer32_token(pb)
+ weights = read_blob(pb, weights_size, dtype=np.int32) - 1
+ attrs = {
+ 'infer': copy_shape_infer
+ }
+ embed_input(attrs, 1, 'indexes', weights)
+ Permute.update_node_stat(node, attrs)
+ return __class__.enabled