1 # Copyright 2016 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 """Utilities used in py2tf-generated code.""" 16 17 from __future__ import absolute_import 18 from __future__ import division 19 from __future__ import print_function 20 21 from tensorflow.python.framework import tensor_util 22 23 24 def is_tensor(*args): 25 """Check if all arguments are tensors. 26 27 Args: 28 *args: Python objects that may or may not be tensors. 29 30 Returns: 31 True if all *args are TensorFlow types, False if one or more are not. 32 """ 33 return any([tensor_util.is_tensor(a) for a in args]) 34
