1/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#include "pybind11/pybind11.h"
17#include "tensorflow/core/framework/op.h"
18#include "tensorflow/core/framework/op_def.pb.h"
19#include "tensorflow/core/framework/op_def_util.h"
20#include "tensorflow/python/lib/core/pybind11_status.h"
21
22namespace py = pybind11;
23
24PYBIND11_MODULE(_op_def_registry, m) {
25 m.def("get", [](const std::string& name) {
26 const tensorflow::OpDef* op_def = nullptr;
27 auto status = tensorflow::OpRegistry::Global()->LookUpOpDef(name, &op_def);
28 if (!status.ok()) return py::reinterpret_borrow<py::object>(py::none());
29
30 tensorflow::OpDef stripped_op_def = *op_def;
31 tensorflow::RemoveNonDeprecationDescriptionsFromOpDef(&stripped_op_def);
32
33 tensorflow::MaybeRaiseFromStatus(status);
34 std::string serialized_op_def;
35 if (!stripped_op_def.SerializeToString(&serialized_op_def)) {
36 throw std::runtime_error("Failed to serialize OpDef to string");
37 }
38
39 // Explicitly convert to py::bytes because std::string is implicitly
40 // convertable to py::str by default.
41 return py::reinterpret_borrow<py::object>(py::bytes(serialized_op_def));
42 });
43}
44