Skip pypy & py2

Author: skirpichev

pythoncapi_compat.h

@@ -1721,7 +1721,7 @@ static inline int PyLong_AsUInt64(PyObject *obj, uint64_t *pvalue)
 
 
 // gh-102471 added import and export API for integers to 3.14.0a2.
-#if PY_VERSION_HEX < 0x030E00A2
+#if PY_VERSION_HEX < 0x030E00A2 && PY_VERSION_HEX >= 0x03000000 && !defined(PYPY_VERSION)
 // Helpers to access PyLongObject internals.
 static inline void
 _PyLong_SetSignAndDigitCount(PyLongObject *op, int sign, Py_ssize_t size)

tests/test_pythoncapi_compat_cext.c

@@ -1426,6 +1426,7 @@ test_long_api(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
     assert(PyLong_IsNegative(obj) == 0);
     assert(PyLong_IsZero(obj) == 0);
 
+#if defined(PYTHON3) && !defined(PYPY_VERSION)
     // test import/export API
     digit *digits;
     PyLongWriter *writer;
@@ -1467,6 +1468,7 @@ test_long_api(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
 
     assert(layout->digits_order == -1);
     assert(layout->digit_size == sizeof(digit));
+#endif // defined(PYTHON3) && !defined(PYPY_VERSION)
 
     Py_RETURN_NONE;
 }