#include "PredictorWrapper.h"
#include <string>
+#include "Logger.h"
#include <iostream>
+#include <thread>
namespace py = boost::python;
PredictorWrapperWPtr PredictorWrapper::instance;
const static std::string PREDICTOR_PY_DIR = "./python";
+const static std::string TAG = "PredictorWrapper";
static std::string parse_python_exception();
PredictorWrapperPtr PredictorWrapper::create(const std::string& fname)
{
- //if (instance == nullptr){
if (instance.lock()){
- //instance = new PredictorWrapper(fname);
return PredictorWrapperPtr();
}
PredictorWrapperPtr ins (new PredictorWrapper(fname));
return ins;
}
+void PredictorWrapper::dump()
+{
+ LOG_DEBUG(TAG, "dump");
+ std::string ss = "";
+ try{
+ py::object ret = this->dump_func();
+ ss = py::extract<std::string>(ret);
+ } catch (boost::python::error_already_set const &){
+ std::string perror_str = parse_python_exception();
+ LOG_ERROR(TAG, "Error in Python: " + perror_str)
+ }
+ LOG_DEBUG(TAG, ss);
+}
+
+double PredictorWrapper::predict()
+{
+ LOG_DEBUG(TAG, "predict");
+ try{
+ this->predict_func();
+ } catch (boost::python::error_already_set const &){
+ std::string perror_str = parse_python_exception();
+ LOG_ERROR(TAG, "Error in Python: " + perror_str)
+ }
+ return 0.1;
+}
+
PredictorWrapper::PredictorWrapper(const std::string& fname)
{
Py_Initialize();
py::exec("import sys", main_namespace);
std::string cmd = "sys.path.insert(0, '" + PREDICTOR_PY_DIR + "')";
py::exec(cmd.c_str(), main_namespace);
- //py::exec("sys.path.insert(0, '/home/debian/project/tracker/python')", main_namespace);
- //py::exec("sys.path.insert(0, './python')", main_namespace);
+ py::exec("import signal", main_namespace);
+ py::exec("signal.signal(signal.SIGINT, signal.SIG_DFL)", main_namespace);
py::object predictor_mod = py::import("predictor");
py::object predictor_init = predictor_mod.attr("init");
dump_func = predictor_mod.attr("dump");
predict_func = predictor_mod.attr("predict");
-
predictor_init(fname.c_str());
- //predictor_dump();
- //py::exec("import predictor", main_namespace);
} catch (boost::python::error_already_set const &){
std::string perror_str = parse_python_exception();
- std::cout << "Error in Python: " << perror_str << std::endl;
+ LOG_ERROR(TAG, "Error in Python: " + perror_str)
}
}