python/convert.h

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#ifndef PYUPB_CONVERT_H__
#define PYUPB_CONVERT_H__

#include "upb/def.h"
#include "upb/reflection.h"

#include "protobuf.h"

// Converts `val` to a Python object according to the type information in `f`.
// Any newly-created Python objects that reference non-primitive data from `val`
// will take a reference on `arena`; the caller must ensure that `val` belongs
// to `arena`. If the conversion cannot be performed, returns NULL and sets a
// Python error.
PyObject *PyUpb_UpbToPy(upb_msgval val, const upb_fielddef *f, PyObject *arena);

// Converts `obj` to a upb_msgval `*val` according to the type information in
// `f`. If `arena` is provided, any string data will be copied into `arena`,
// otherwise the returned value will alias the Python-owned data (this can be
// useful for an ephemeral upb_msgval).  If the conversion cannot be performed,
// returns false.
bool PyUpb_PyToUpb(PyObject *obj, const upb_fielddef *f, upb_msgval *val,
                   upb_arena *arena);

// Returns true if the given values (of type `f`) are equal.
bool PyUpb_ValueEq(upb_msgval val1, upb_msgval val2, const upb_fielddef *f);

// Returns true if the given messages (of type `m`) are equal.
bool PyUpb_Message_IsEqual(const upb_msg *msg1, const upb_msg *msg2,
                           const upb_msgdef *m);

// Returns true if the two arrays (with element type `f`) are equal.
bool PyUpb_Array_IsEqual(const upb_array *arr1, const upb_array *arr2,
                         const upb_fielddef *f);

#endif  // PYUPB_CONVERT_H__