grpc1.45.2/third_party/upb/python/python.h

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#ifndef PYUPB_PYTHON_H__
#define PYUPB_PYTHON_H__

// We restrict ourselves to the limited API, so that we will be ABI-compatible
// with any version of Python >= 3.6.1  (3.6.1 introduce PySlice_Unpack())
#define Py_LIMITED_API 0x03060100
#include <Python.h>

// This function was not officially added to the limited API until Python 3.10.
// But in practice it has been stable since Python 3.1.  See:
//   https://bugs.python.org/issue41784
PyAPI_FUNC(const char*)
    PyUnicode_AsUTF8AndSize(PyObject* unicode, Py_ssize_t* size);

#endif  // PYUPB_PYTHON_H__