Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/tensorflow/python/trackable/converter.py: 50%

1# Copyright 2022 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"""Util for converting a Python object to a Trackable.""" 

16 

17 

18from tensorflow.python.eager.polymorphic_function import saved_model_utils 

19from tensorflow.python.framework import dtypes 

20from tensorflow.python.framework import tensor_util 

21from tensorflow.python.ops import resource_variable_ops 

22from tensorflow.python.trackable import base 

23from tensorflow.python.trackable import data_structures 

24 

25 

26def convert_to_trackable(obj, parent=None): 

27 """Converts `obj` to `Trackable`.""" 

28 if isinstance(obj, base.Trackable): 

29 return obj 

30 obj = data_structures.wrap_or_unwrap(obj) 

31 if (tensor_util.is_tf_type(obj) and 

32 obj.dtype not in (dtypes.variant, dtypes.resource) and 

33 not resource_variable_ops.is_resource_variable(obj)): 

34 return saved_model_utils.TrackableConstant(obj, parent) 

35 if not isinstance(obj, base.Trackable): 

36 raise ValueError(f"Cannot convert {obj} to Trackable.") 

37 return obj