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 | #include <Python.h> |
16 | |
17 | #include <memory> |
18 | #include <string> |
19 | |
20 | #include "pybind11/detail/common.h" |
21 | #include "pybind11/pybind11.h" |
22 | #include "pybind11/pytypes.h" |
23 | #include "tensorflow/core/framework/function.pb.h" |
24 | #include "tensorflow/core/framework/graph.pb.h" |
25 | #include "tensorflow/core/platform/errors.h" |
26 | #include "tensorflow/core/platform/protobuf.h" |
27 | #include "tensorflow/python/lib/core/pybind11_status.h" |
28 | |
29 | struct ProtoComparisonOptions; // Forward declaration |
30 | |
31 | namespace tensorflow { |
32 | |
33 | namespace { |
34 | |
35 | namespace py = pybind11; |
36 | namespace tf = tensorflow; |
37 | |
38 | struct ProtoComparisonOptions { |
39 | bool treat_nan_as_equal; |
40 | }; |
41 | |
42 | bool EqualsGraphDef(string graphdef_string1, string graphdef_string2, |
43 | const ProtoComparisonOptions& options) { |
44 | GraphDef graph_def_1; |
45 | if (!graph_def_1.ParseFromString(graphdef_string1)) { |
46 | MaybeRaiseFromStatus(errors::InvalidArgument( |
47 | "Couldn't interpret first argument as a GraphDef" )); |
48 | } |
49 | GraphDef graph_def_2; |
50 | if (!graph_def_2.ParseFromString(graphdef_string2)) { |
51 | MaybeRaiseFromStatus(errors::InvalidArgument( |
52 | "Couldn't interpret second argument as a GraphDef" )); |
53 | } |
54 | tf::protobuf::util::MessageDifferencer differencer; |
55 | // Order doesnt matter in node defs, or functions in the function library and |
56 | // their nested nodes. |
57 | differencer.TreatAsSet(GraphDef::descriptor()->FindFieldByName("node" )); |
58 | differencer.TreatAsSet( |
59 | FunctionDefLibrary::descriptor()->FindFieldByName("function" )); |
60 | differencer.TreatAsSet( |
61 | FunctionDefLibrary::descriptor()->FindFieldByName("gradient" )); |
62 | differencer.TreatAsSet( |
63 | FunctionDef::descriptor()->FindFieldByName("node_def" )); |
64 | tf::protobuf::util::DefaultFieldComparator comparator; |
65 | comparator.set_treat_nan_as_equal(options.treat_nan_as_equal); |
66 | differencer.set_field_comparator(&comparator); |
67 | return differencer.Compare(graph_def_1, graph_def_2); |
68 | } |
69 | |
70 | PYBIND11_MODULE(_proto_comparators, m) { |
71 | py::class_<tensorflow::ProtoComparisonOptions>(m, "ProtoComparisonOptions" ) |
72 | .def(py::init<const bool&>()); |
73 | m.def("EqualsGraphDef" , &EqualsGraphDef, |
74 | "GraphDef equality test taking comparison options." ); |
75 | } |
76 | |
77 | } // anonymous namespace |
78 | |
79 | } // namespace tensorflow |
80 | |