1 /** 2 * Copyright 2019-2022 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_CONVERT_UTILS_PY_H_ 18 #define MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_CONVERT_UTILS_PY_H_ 19 20 #include <memory> 21 #include <utility> 22 #include <string> 23 #include <vector> 24 #include <unordered_set> 25 26 #include "pybind11/pybind11.h" 27 #include "utils/convert_utils_base.h" 28 #include "utils/any.h" 29 #include "base/base_ref.h" 30 #include "base/base.h" 31 #include "ir/anf.h" 32 #include "ir/tensor.h" 33 #include "include/common/visible.h" 34 35 namespace py = pybind11; 36 37 namespace mindspore { 38 // Detect recursion for python object sych as a = [..., 1]. 39 class PyRecursionScope { 40 public: PyRecursionScope(const py::object & obj)41 explicit PyRecursionScope(const py::object &obj) { 42 address_ = obj.ptr(); 43 if (!recursion_set_.insert(address_).second) { 44 MS_LOG(EXCEPTION) << "Detect recursion when converting python object."; 45 } 46 } 47 ~PyRecursionScope()48 ~PyRecursionScope() { recursion_set_.erase(address_); } 49 50 private: 51 PyObject *address_; 52 static inline std::unordered_set<PyObject *> recursion_set_; 53 }; 54 55 py::object AnyToPyData(const Any &value); 56 COMMON_EXPORT py::object BaseRefToPyData(const BaseRef &value, const AbstractBasePtr &abs = nullptr); 57 COMMON_EXPORT py::object ValueToPyData(const ValuePtr &value, const AbstractBasePtr &abs = nullptr); 58 COMMON_EXPORT bool IsStubTensor(const py::handle &obj); 59 COMMON_EXPORT tensor::TensorPtr ConvertStubTensor(const py::handle &obj); 60 COMMON_EXPORT ValuePtr PyStubNodeCast(const py::handle &obj); 61 COMMON_EXPORT std::pair<ShapeVector, TypePtr> GetStubTensorInfo(const py::handle &obj); 62 COMMON_EXPORT bool IsGraphOutputValueNodeOrParameter(const AnfNodePtr &output, const py::tuple &args, 63 const std::shared_ptr<py::object> &ret_val); 64 COMMON_EXPORT ValuePtr ShallowCopyTensorValue(const ValuePtr &value); 65 COMMON_EXPORT void ConvertPyObjectToTensor(const py::object &input_object, std::vector<ValuePtr> *tensors); 66 COMMON_EXPORT void ConvertCTensorToPyTensor(const py::tuple &input_args, py::tuple *convert_args); 67 COMMON_EXPORT std::string ConvertPyObjToString(const py::object &obj); 68 bool IsStubTensor(const py::handle &obj); 69 tensor::TensorPtr ConvertStubTensor(const py::handle &obj); 70 } // namespace mindspore 71 72 #endif // MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_CONVERT_UTILS_PY_H_ 73