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#include "GyotoPython.h"
#include "GyotoProperty.h"
#include "GyotoError.h"
#include "Python.h"
using namespace Gyoto;
using namespace Gyoto::Spectrum;
using namespace std;
GYOTO_PROPERTY_START(Gyoto::Spectrum::Python,
"Python-based Spectrum class")
GYOTO_PROPERTY_STRING(Gyoto::Spectrum::Python, Module, module,
"Name of Python module containing the Spectrum implementation.")
GYOTO_PROPERTY_STRING(Gyoto::Spectrum::Python, InlineModule, inlineModule,
"Inline code of Python module containing the Spectrum implementation.")
GYOTO_PROPERTY_STRING(Gyoto::Spectrum::Python, Class, klass,
"Python class (in Module) implementing the Spectrum.")
GYOTO_PROPERTY_VECTOR_DOUBLE(Gyoto::Spectrum::Python, Parameters, parameters,
"Parameters for the class instance.")
GYOTO_PROPERTY_END(Gyoto::Spectrum::Python,
Gyoto::Spectrum::Generic::properties)
GYOTO_PROPERTY_THREAD_UNSAFE(Gyoto::Spectrum::Python)
Spectrum::Python::Python()
: Python::Object<Generic>(),
pCall_(NULL), pIntegrate_(NULL), pCall_overloaded_(false)
{
kind("Python");
}
Spectrum::Python::Python(const Python&o)
: Python::Object<Generic>(o),
pCall_(o.pCall_), pIntegrate_(o.pIntegrate_),
pCall_overloaded_(o.pCall_overloaded_)
{
PyGILState_STATE gstate = PyGILState_Ensure();
Py_XINCREF(pCall_);
Py_XINCREF(pIntegrate_);
PyGILState_Release(gstate);
}
Spectrum::Python::~Python(){
PyGILState_STATE gstate = PyGILState_Ensure();
Py_XDECREF(pIntegrate_);
Py_XDECREF(pCall_);
PyGILState_Release(gstate);
}
Spectrum::Python* Spectrum::Python::clone() const {return new Python(*this);}
/* Gyoto::Python::Base API: reimplement ::klass method */
std::vector<double> Spectrum::Python::parameters() const
{return Python::Base::parameters();}
void Spectrum::Python::parameters(const std::vector<double>& m)
{Python::Base::parameters(m);}
std::string Spectrum::Python::module() const {return Python::Base::module();}
void Spectrum::Python::module(const std::string& m){Python::Base::module(m);}
std::string Spectrum::Python::inlineModule() const {return Python::Base::inlineModule();}
void Spectrum::Python::inlineModule(const std::string& m){Python::Base::inlineModule(m);}
std::string Spectrum::Python::klass() const {return Python::Base::klass();}
void Spectrum::Python::klass(const std::string &f) {
PyGILState_STATE gstate = PyGILState_Ensure();
Py_XDECREF(pIntegrate_); pIntegrate_=NULL;
Py_XDECREF(pCall_); pCall_=NULL;
PyGILState_Release(gstate);
Python::Base::klass(f);
if (!pModule_) return;
gstate = PyGILState_Ensure();
GYOTO_DEBUG << "Checking Python class methods" << f << endl;
pCall_ =
Gyoto::Python::PyInstance_GetMethod(pInstance_, "__call__");
pIntegrate_ =
Gyoto::Python::PyInstance_GetMethod(pInstance_, "integrate");
if (PyErr_Occurred()) {
PyErr_Print();
PyGILState_Release(gstate);
GYOTO_ERROR("Error while retrieving methods");
}
if (!pCall_) {
PyGILState_Release(gstate);
GYOTO_ERROR("Object does not implement required method \"__call__\"");
}
pCall_overloaded_ = Gyoto::Python::PyCallable_HasVarArg(pCall_);
Gyoto::Python::PyInstance_SetThis(pInstance_,
Gyoto::Python::pGyotoSpectrum(),
this);
if (PyErr_Occurred()) {
PyErr_Print();
PyGILState_Release(gstate);
GYOTO_ERROR("Error while setting this");
}
PyGILState_Release(gstate);
if (parameters_.size()) parameters(parameters_);
GYOTO_DEBUG << "Done checking Python class methods" << f << endl;
}
/* Gyoto::Spectrum::Generic API */
double Spectrum::Python::operator()(double nu) const {
if (!pCall_) GYOTO_ERROR("Python class not loaded yet");
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
PyObject * pArgs = Py_BuildValue("(d)", nu);
if (PyErr_Occurred() || !pArgs) {
PyErr_Print();
Py_XDECREF(pArgs);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed building argument list");
}
PyObject * pValue = PyObject_CallObject(pCall_, pArgs);
Py_DECREF(pArgs);
if (PyErr_Occurred() || !pValue) {
PyErr_Print();
Py_XDECREF(pValue);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed calling Python method __call__");
}
double res = PyFloat_AsDouble(pValue);
Py_DECREF(pValue);
if (PyErr_Occurred()) {
PyErr_Print();
PyGILState_Release(gstate);
GYOTO_ERROR("Error interpreting result as double");
}
PyGILState_Release(gstate);
return res;
}
double Spectrum::Python::operator()(double nu, double opacity, double ds) const {
if (!pCall_overloaded_) return Generic::operator()(nu, opacity, ds);
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
PyObject * pArgs = Py_BuildValue("(ddd)", nu, opacity, ds);
if (PyErr_Occurred() || !pArgs) {
PyErr_Print();
Py_XDECREF(pArgs);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed building argument list");
}
PyObject * pValue = PyObject_CallObject(pCall_, pArgs);
Py_DECREF(pArgs);
if (PyErr_Occurred() || !pValue) {
PyErr_Print();
Py_XDECREF(pValue);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed calling Python method __call__");
}
double res = PyFloat_AsDouble(pValue);
Py_DECREF(pValue);
if (PyErr_Occurred()) {
PyErr_Print();
PyGILState_Release(gstate);
GYOTO_ERROR("Error interpreting result as double");
}
PyGILState_Release(gstate);
return res;
}
double Spectrum::Python::integrate(double nu1, double nu2) {
if (!pIntegrate_) return Generic::integrate(nu1, nu2);
PyGILState_STATE gstate = PyGILState_Ensure();
PyObject * pArgs = Py_BuildValue("dd", nu1, nu2);
if (PyErr_Occurred() || !pArgs) {
PyErr_Print();
Py_XDECREF(pArgs);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed building argument list");
}
PyObject * pValue = PyObject_CallObject(pIntegrate_, pArgs);
Py_DECREF(pArgs);
if (PyErr_Occurred() || !pValue) {
PyErr_Print();
Py_XDECREF(pValue);
PyGILState_Release(gstate);
GYOTO_ERROR("Failed calling Python method integrate");
}
double res = PyFloat_AsDouble(pValue);
Py_DECREF(pValue);
if (PyErr_Occurred()) {
PyErr_Print();
PyGILState_Release(gstate);
GYOTO_ERROR("Error interpreting result as double");
}
PyGILState_Release(gstate);
return res;
}
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