Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/tensorflow/python/keras/saving/saved_model/metric_serialization.py: 59%

1# Copyright 2020 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"""Classes and functions implementing Metrics SavedModel serialization.""" 

16 

17from tensorflow.python.keras.saving.saved_model import constants 

18from tensorflow.python.keras.saving.saved_model import layer_serialization 

19from tensorflow.python.keras.utils import generic_utils 

20from tensorflow.python.trackable import data_structures 

21 

22 

23class MetricSavedModelSaver(layer_serialization.LayerSavedModelSaver): 

24 """Metric serialization.""" 

25 

26 @property 

27 def object_identifier(self): 

28 return constants.METRIC_IDENTIFIER 

29 

30 def _python_properties_internal(self): 

31 metadata = dict( 

32 class_name=generic_utils.get_registered_name(type(self.obj)), 

33 name=self.obj.name, 

34 dtype=self.obj.dtype) 

35 metadata.update(layer_serialization.get_serialized(self.obj)) 

36 if self.obj._build_input_shape is not None: # pylint: disable=protected-access 

37 metadata['build_input_shape'] = self.obj._build_input_shape # pylint: disable=protected-access 

38 return metadata 

39 

40 def _get_serialized_attributes_internal(self, unused_serialization_cache): 

41 return (dict(variables=data_structures.wrap_or_unwrap(self.obj.variables)), 

42 dict()) # TODO(b/135550038): save functions to enable saving 

43 # custom metrics.