pythonInterpreter.hpp

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#ifndef RTCTK_COMPONENTFRAMEWORK_PYTHONINTERPRETER_HPP
#define RTCTK_COMPONENTFRAMEWORK_PYTHONINTERPRETER_HPP
 
#include <rtctk/componentFramework/exceptions.hpp>
#include <rtctk/config.hpp>
 
#include <pybind11/embed.h>
#include <pybind11/pybind11.h>
 
namespace rtctk::componentFramework {

class RTCTK_API PythonInterpreter final {
public:
    class SetupFailure : public RtctkException {
    public:
        explicit SetupFailure(const std::string& message);
    };

    explicit PythonInterpreter(bool init_signal_handlers = true,
                               int argc = 0,
                               const char* const* argv = nullptr,
                               bool add_program_dir_to_path = true);

    explicit PythonInterpreter(PyConfig* config,
                               int argc = 0,
                               const char* const* argv = nullptr,
                               bool add_program_dir_to_path = true);
 
    PythonInterpreter(const PythonInterpreter&) = delete;
    PythonInterpreter(PythonInterpreter&&) = delete;
    PythonInterpreter& operator=(const PythonInterpreter&) = delete;
    PythonInterpreter& operator=(PythonInterpreter&&) = delete;
 
    ~PythonInterpreter() = default;
 
private:
    RTCTK_LOCAL void ImportPythonModules();
 
    pybind11::scoped_interpreter m_interpreter;  // This must be declared first.
    pybind11::module m_threading_module;
    pybind11::module m_vector_module;
    pybind11::module m_matrix_module;
    pybind11::gil_scoped_release m_release_gil;  // This must be declared last.
};
 
}  // namespace rtctk::componentFramework
 
#endif  // RTCTK_COMPONENTFRAMEWORK_PYTHONINTERPRETER_HPP