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#pragma once
#include <Python.h> // PyObject
#include <yql/essentials/public/udf/udf_ptr.h>
namespace NPython {
template <typename T>
class TPyPtrOps
{
public:
static inline void Ref(T* t) {
Y_ASSERT(t);
Py_INCREF(t);
}
static inline void UnRef(T* t) {
Y_ASSERT(t);
Py_DECREF(t);
}
static inline ui32 RefCount(const T* t) {
Y_ASSERT(t);
return t->ob_refcnt;
}
};
class TPyObjectPtr:
public NYql::NUdf::TRefCountedPtr<PyObject, TPyPtrOps<PyObject>>
{
using TSelf = NYql::NUdf::TRefCountedPtr<PyObject, TPyPtrOps<PyObject>>;
public:
inline TPyObjectPtr()
{
}
inline TPyObjectPtr(PyObject* p)
: TSelf(p, STEAL_REF) // do not increment refcounter by default
{
}
inline TPyObjectPtr(PyObject* p, AddRef)
: TSelf(p)
{
}
inline void ResetSteal(PyObject* p) {
TSelf::Reset(p, STEAL_REF);
}
inline void ResetAddRef(PyObject* p) {
TSelf::Reset(p);
}
inline void Reset() {
TSelf::Reset();
}
template <class T>
inline T* GetAs() const {
return reinterpret_cast<T*>(Get());
}
void Reset(PyObject* p) = delete;
};
} // namspace NPython
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