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mindspore/tests/ut/cpp/common/py_func_graph_fetcher.h

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3.1 KiB

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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.
*/
#ifndef TESTS_UT_COMMON_PY_FUNC_GRAPH_FETCHER_H_
#define TESTS_UT_COMMON_PY_FUNC_GRAPH_FETCHER_H_
#include <string>
#include <memory>
#include "ir/anf.h"
#include "ir/primitive.h"
#include "ir/manager.h"
#include "ir/func_graph.h"
#include "pipeline/parse/parse_base.h"
#include "pipeline/parse/parse.h"
#include "./common.h"
namespace UT {
void InitPythonPath();
class PyFuncGraphFetcher {
public:
explicit PyFuncGraphFetcher(std::string model_path, bool doResolve = false)
: model_path_(model_path), doResolve_(doResolve) {
InitPythonPath();
}
void SetDoResolve(bool doResolve = true) { doResolve_ = doResolve; }
// The return of python function of "func_name" should be py::function.
// step 1. Call the function user input
// step 2. Parse the return "fn"
template <class... T>
mindspore::FuncGraphPtr CallAndParseRet(std::string func_name, T... args) {
try {
py::function fn = mindspore::parse::python_adapter::CallPyFn(model_path_.c_str(), func_name.c_str(), args...);
mindspore::FuncGraphPtr func_graph = mindspore::parse::ParsePythonCode(fn);
if (doResolve_) {
std::shared_ptr<mindspore::FuncGraphManager> manager = mindspore::Manage(func_graph, false);
mindspore::parse::python_adapter::set_use_signature_in_resolve(false);
mindspore::parse::ResolveAll(manager);
}
return func_graph;
} catch (py::error_already_set& e) {
MS_LOG(ERROR) << "Call and parse fn failed!!! error:" << e.what();
return nullptr;
} catch (...) {
MS_LOG(ERROR) << "Call fn failed!!!";
return nullptr;
}
}
// Fetch python function then parse to graph
mindspore::FuncGraphPtr operator()(std::string func_name, std::string model_path = "") {
try {
std::string path = model_path_;
if ("" != model_path) {
path = model_path;
}
py::function fn = mindspore::parse::python_adapter::GetPyFn(path.c_str(), func_name.c_str());
mindspore::FuncGraphPtr func_graph = mindspore::parse::ParsePythonCode(fn);
if (doResolve_) {
std::shared_ptr<mindspore::FuncGraphManager> manager = mindspore::Manage(func_graph, false);
mindspore::parse::ResolveAll(manager);
}
return func_graph;
} catch (py::error_already_set& e) {
MS_LOG(ERROR) << "get fn failed!!! error:" << e.what();
return nullptr;
} catch (...) {
MS_LOG(ERROR) << "get fn failed!!!";
return nullptr;
}
}
private:
std::string model_path_;
bool doResolve_;
};
} // namespace UT
#endif // TESTS_UT_COMMON_PY_FUNC_GRAPH_FETCHER_H_