Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/tensorboard/plugins/scalar/metadata.py: 44%

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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"""Internal information about the scalar plugin.""" 

16 

17 

18from tensorboard.compat.proto import summary_pb2 

19from tensorboard.plugins.scalar import plugin_data_pb2 

20 

21PLUGIN_NAME = "scalars" 

22 

23# The most recent value for the `version` field of the 

24# `ScalarPluginData` proto. 

25PROTO_VERSION = 0 

26 

27 

28def create_summary_metadata(display_name, description): 

29 """Create a `summary_pb2.SummaryMetadata` proto for scalar plugin data. 

30 

31 Returns: 

32 A `summary_pb2.SummaryMetadata` protobuf object. 

33 """ 

34 content = plugin_data_pb2.ScalarPluginData(version=PROTO_VERSION) 

35 metadata = summary_pb2.SummaryMetadata( 

36 display_name=display_name, 

37 summary_description=description, 

38 plugin_data=summary_pb2.SummaryMetadata.PluginData( 

39 plugin_name=PLUGIN_NAME, content=content.SerializeToString() 

40 ), 

41 ) 

42 return metadata 

43 

44 

45def parse_plugin_metadata(content): 

46 """Parse summary metadata to a Python object. 

47 

48 Arguments: 

49 content: The `content` field of a `SummaryMetadata` proto 

50 corresponding to the scalar plugin. 

51 

52 Returns: 

53 A `ScalarPluginData` protobuf object. 

54 """ 

55 if not isinstance(content, bytes): 

56 raise TypeError("Content type must be bytes") 

57 result = plugin_data_pb2.ScalarPluginData.FromString(content) 

58 if result.version == 0: 

59 return result 

60 # No other versions known at this time, so no migrations to do. 

61 return result