| # Copyright 2017 The TensorFlow Authors. All Rights Reserved. |
| # |
| # 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. |
| # ============================================================================== |
| """Exposes the Python wrapper for graph transforms.""" |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| # pylint: disable=unused-import,wildcard-import, line-too-long |
| from tensorflow.core.framework import graph_pb2 |
| from tensorflow.python.util import compat |
| from tensorflow.python.util._pywrap_transform_graph import TransformGraphWithStringInputs |
| |
| |
| def TransformGraph(input_graph_def, inputs, outputs, transforms): |
| """Python wrapper for the Graph Transform Tool. |
| |
| Gives access to all graph transforms available through the command line tool. |
| See documentation at https://github.com/tensorflow/tensorflow/blob/master/tensorflow/tools/graph_transforms/README.md |
| for full details of the options available. |
| |
| Args: |
| input_graph_def: GraphDef object containing a model to be transformed. |
| inputs: List of node names for the model inputs. |
| outputs: List of node names for the model outputs. |
| transforms: List of strings containing transform names and parameters. |
| |
| Returns: |
| New GraphDef with transforms applied. |
| """ |
| |
| input_graph_def_string = input_graph_def.SerializeToString() |
| inputs_string = compat.as_bytes(",".join(inputs)) |
| outputs_string = compat.as_bytes(",".join(outputs)) |
| transforms_string = compat.as_bytes(" ".join(transforms)) |
| output_graph_def_string = TransformGraphWithStringInputs( |
| input_graph_def_string, inputs_string, outputs_string, transforms_string) |
| output_graph_def = graph_pb2.GraphDef() |
| output_graph_def.ParseFromString(output_graph_def_string) |
| return output_graph_def |