pytorch/torch/csrc/utils/python_compat.h
cyy d2455b99fb Use cpython declaration of _PyWeakref_ClearRef (#136300)
To avoid the DLL inconsistency warning by MSVC:
```
torch/csrc/utils/python_compat.h(38): warning C4273: '_PyWeakref_ClearRef': inconsistent dll linkage
```

Pull Request resolved: https://github.com/pytorch/pytorch/pull/136300
Approved by: https://github.com/Skylion007
2024-09-20 18:58:58 +00:00

48 lines
1.1 KiB
C

#ifndef PYTHON_COMPAT
#define PYTHON_COMPAT
#include <torch/csrc/utils/pythoncapi_compat.h>
#ifdef __cplusplus
extern "C" {
#endif
// PyTorch-only compat functions
#define IS_PYTHON_3_11_PLUS PY_VERSION_HEX >= 0x030B00C1
#define IS_PYTHON_3_12_PLUS PY_VERSION_HEX >= 0x030C0000
#define IS_PYTHON_3_13_PLUS PY_VERSION_HEX >= 0x030D0000
#define IS_PYTHON_3_14_PLUS PY_VERSION_HEX >= 0x030E0000
PYCAPI_COMPAT_STATIC_INLINE(int)
PyCode_GetNCellvars(PyCodeObject* code) {
// gh-26364 added co_ncellvars to Python 3.11.0rc1
#if IS_PYTHON_3_11_PLUS
return code->co_ncellvars;
#else
return PyTuple_GET_SIZE(code->co_cellvars);
#endif
}
PYCAPI_COMPAT_STATIC_INLINE(int)
PyCode_GetNFreevars(PyCodeObject* code) {
// gh-26364 added co_nfreevars to Python 3.11.0rc1
#if IS_PYTHON_3_11_PLUS
return code->co_nfreevars;
#else
return PyTuple_GET_SIZE(code->co_freevars);
#endif
}
// Provided by CPython but getting the header for them is very hard
#if IS_PYTHON_3_11_PLUS
PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference* self);
#else
extern void _PyWeakref_ClearRef(PyWeakReference* self);
#endif
#ifdef __cplusplus
}
#endif
#endif // PYTHON_COMPAT