blob: faf5164faa7f1c2d085e13358c8266c4eef22524 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
# Copyright 2018 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Utilities for serializing Python objects."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import numpy as np
from tensorflow.python.framework import tensor_shape
def get_json_type(obj):
"""Serializes any object to a JSON-serializable structure.
Arguments:
obj: the object to serialize
Returns:
JSON-serializable structure representing `obj`.
Raises:
TypeError: if `obj` cannot be serialized.
"""
# if obj is a serializable Keras class instance
# e.g. optimizer, layer
if hasattr(obj, 'get_config'):
return {'class_name': obj.__class__.__name__, 'config': obj.get_config()}
# if obj is any numpy type
if type(obj).__module__ == np.__name__:
if isinstance(obj, np.ndarray):
return {'type': type(obj), 'value': obj.tolist()}
else:
return obj.item()
# misc functions (e.g. loss function)
if callable(obj):
return obj.__name__
# if obj is a python 'type'
if type(obj).__name__ == type.__name__:
return obj.__name__
if isinstance(obj, tensor_shape.Dimension):
return obj.value
if isinstance(obj, tensor_shape.TensorShape):
return obj.as_list()
raise TypeError('Not JSON Serializable:', obj)
|
