pythoninterpretermodule.hpp

//****************************************************************************
// Copyright 2023 Intel Corporation
//
// 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.
//*****************************************************************************
#pragma once
#include <memory>
#include <thread>

#include "../module.hpp"

namespace pybind11 {
class gil_scoped_release;
}
namespace py = pybind11;

namespace ovms {
class Config;
class PythonBackend;

class PythonInterpreterModule : public Module {
    std::unique_ptr<PythonBackend> pythonBackend;
    mutable std::unique_ptr<py::gil_scoped_release> GILScopedRelease;
    std::thread::id threadId;

public:
    PythonInterpreterModule();
    ~PythonInterpreterModule();
    Status start(const ovms::Config& config) override;
    void shutdown() override;
    PythonBackend* getPythonBackend() const;
    void releaseGILFromThisThread() const;
    void reacquireGILForThisThread() const;
};
}  // namespace ovms