Files
Pyclassifiers/pyclfs/PyWrap.h

49 lines
1.8 KiB
C++

#ifndef PYWRAP_H
#define PYWRAP_H
#include <string>
#include <map>
#include <tuple>
#include <mutex>
#include <nlohmann/json.hpp>
#include "boost/python/detail/wrap_python.hpp"
#include "PyHelper.hpp"
#include "TypeId.h"
#pragma once
namespace pywrap {
/*
Singleton class to handle Python/numpy interpreter.
*/
using json = nlohmann::json;
class PyWrap {
public:
PyWrap() = default;
PyWrap(PyWrap& other) = delete;
static PyWrap* GetInstance();
void operator=(const PyWrap&) = delete;
~PyWrap() = default;
std::string callMethodString(const clfId_t id, const std::string& method);
int callMethodInt(const clfId_t id, const std::string& method);
std::string sklearnVersion();
std::string version(const clfId_t id);
int callMethodSumOfItems(const clfId_t id, const std::string& method);
void setHyperparameters(const clfId_t id, const json& hyperparameters);
void fit(const clfId_t id, CPyObject& X, CPyObject& y);
PyObject* predict(const clfId_t id, CPyObject& X);
double score(const clfId_t id, CPyObject& X, CPyObject& y);
void clean(const clfId_t id);
void importClass(const clfId_t id, const std::string& moduleName, const std::string& className);
PyObject* getClass(const clfId_t id);
private:
// Only call RemoveInstance from clean method
static void RemoveInstance();
void errorAbort(const std::string& message);
// No need to use static map here, since this class is a singleton
std::map<clfId_t, std::tuple<PyObject*, PyObject*, PyObject*>> moduleClassMap;
static CPyInstance* pyInstance;
static PyWrap* wrapper;
static std::mutex mutex;
};
} /* namespace pywrap */
#endif /* PYWRAP_H */