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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file PyCore/Embed/PyObjectPtr.cpp
//! @brief Implements class PyObjectPtr.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "PyObjectPtr.h"
#include "PyInterpreter.h"
PyObjectPtr::PyObjectPtr(PyObjectPtr&& other)
: PyObjectPtr(other.release())
{
}
PyObject* PyObjectPtr::release()
{
PyObject* pyobject_ptr{m_ptr};
reset();
return pyobject_ptr;
}
void PyObjectPtr::reset()
{
m_ptr = nullptr;
}
void PyObjectPtr::discard()
{
if (m_borrowed) {
// borrowed reference need no reference decrement
reset();
return;
}
PyInterpreter::DecRef(m_ptr);
reset();
}
NumpyArrayWrapper::NumpyArrayWrapper(const std::size_t datasize, const std::size_t n_dims,
const std::size_t* dims, const std::string& dtype,
const void* array_ptr, PyObject* py_array_ptr,
const ArrayMetadata& metadata)
: m_datasize{datasize}
, m_dtype{dtype}
, m_metadata{metadata}
, m_array_ptr{array_ptr}
, m_py_array_ptr{py_array_ptr}
{
// check validity
if (m_datasize < 1 || n_dims < 1 || !dims || !m_array_ptr || !m_py_array_ptr)
return;
for (std::size_t i_d = 0; i_d < n_dims; ++i_d) {
if (dims[i_d] < 1)
return;
}
// initialize the array descriptor
m_dims.resize(n_dims);
for (std::size_t i_d = 0; i_d < n_dims; ++i_d)
m_dims[i_d] = dims[i_d];
}
NumpyArrayWrapper::~NumpyArrayWrapper()
{
if (m_py_array_ptr)
PyInterpreter::DecRef(m_py_array_ptr);
}
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