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Copy pathutils.py
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69 lines (57 loc) · 2.33 KB
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# Copyright 2016 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.
# ==============================================================================
"""SavedModel utility functions.
Utility functions to assist with setup and construction of the SavedModel proto.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.core.protobuf import meta_graph_pb2
from tensorflow.python.framework import dtypes
# TensorInfo helpers.
def build_tensor_info(tensor):
"""Utility function to build TensorInfo proto.
Args:
tensor: Tensor whose name, dtype and shape are used to build the TensorInfo.
Returns:
A TensorInfo protocol buffer constructed based on the supplied argument.
"""
dtype_enum = dtypes.as_dtype(tensor.dtype).as_datatype_enum
return meta_graph_pb2.TensorInfo(
name=tensor.name,
dtype=dtype_enum,
tensor_shape=tensor.get_shape().as_proto())
# SignatureDef helpers.
def build_signature_def(inputs=None, outputs=None, method_name=None):
"""Utility function to build a SignatureDef protocol buffer.
Args:
inputs: Inputs of the SignatureDef defined as a proto map of string to
tensor info.
outputs: Outputs of the SignatureDef defined as a proto map of string to
tensor info.
method_name: Method name of the SignatureDef as a string.
Returns:
A SignatureDef protocol buffer constructed based on the supplied arguments.
"""
signature_def = meta_graph_pb2.SignatureDef()
if inputs is not None:
for item in inputs:
signature_def.inputs[item].CopyFrom(inputs[item])
if outputs is not None:
for item in outputs:
signature_def.outputs[item].CopyFrom(outputs[item])
if method_name is not None:
signature_def.method_name = method_name
return signature_def