55 lines
2.0 KiB
Python
55 lines
2.0 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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import numpy as np
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from mo.graph.graph import Node, Graph
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from mo.ops.op import Op
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class Size(Op):
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op = 'Size'
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def __init__(self, graph: Graph, attrs: dict):
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assert 'output_type' in attrs, 'Size has mandatory `output_type` attribute'
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mandatory_props = {
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'type': None,
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'op': self.op,
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'output_type': np.int64,
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'infer': self.infer,
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}
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super().__init__(graph, mandatory_props, attrs)
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@staticmethod
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def infer(node: Node):
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name = node.soft_get('name', node.id)
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connected_in_ports = [port for port in node.in_ports().values() if not port.disconnected()]
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assert len(connected_in_ports) == 1, \
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'Size operation should have exact one input node, but it has {}'.format(len(connected_in_ports))
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input_shape = node.in_port(0).data.get_shape()
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assert input_shape is not None, \
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'Input shape is undefined for Size node `{}`'.format(node.soft_get('name', node.id))
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assert node.has_valid('output_type'), \
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'`output_type` attribute is not set for Size node `{}`'.format(name)
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assert node.output_type in [np.int64, np.int32], \
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'Size `output_type` attribute must be int32 or int64, `{}` found'.format(np.dtype(node.output_type).name)
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node.out_port(0).data.set_value(np.array(np.prod(input_shape), dtype=node.output_type))
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