1# Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================== 15"""Helpers constructing Datasets.""" 16from __future__ import absolute_import 17from __future__ import division 18from __future__ import print_function 19 20from tensorflow.python.framework import constant_op 21from tensorflow.python.framework import dtypes 22from tensorflow.python.framework import ops 23 24 25def optional_param_to_tensor(argument_name, 26 argument_value, 27 argument_default=0, 28 argument_dtype=dtypes.int64): 29 if argument_value is not None: 30 return ops.convert_to_tensor( 31 argument_value, dtype=argument_dtype, name=argument_name) 32 else: 33 return constant_op.constant( 34 argument_default, dtype=argument_dtype, name=argument_name) 35