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gh-106521: Add PyObject_GetOptionalAttr() function (GH-106522)

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It is a new name of former _PyObject_LookupAttr().

Add also PyObject_GetOptionalAttrString().
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Serhiy Storchaka 2023-07-11 22:13:27 +03:00 • committed by GitHub
parent cabd6e8a10
commit 579aa89e68
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11 changed files with 119 additions and 23 deletions
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Include/cpython/object.h
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@ -294,17 +294,7 @@ PyAPI_FUNC(int) _PyObject_IsFreed(PyObject *);
PyAPI_FUNC(int) _PyObject_IsAbstract(PyObject *);
PyAPI_FUNC(PyObject *) _PyObject_GetAttrId(PyObject *, _Py_Identifier *);
PyAPI_FUNC(int) _PyObject_SetAttrId(PyObject *, _Py_Identifier *, PyObject *);
/* Replacements of PyObject_GetAttr() and _PyObject_GetAttrId() which
don't raise AttributeError.
Return 1 and set *result != NULL if an attribute is found.
Return 0 and set *result == NULL if an attribute is not found;
an AttributeError is silenced.
Return -1 and set *result == NULL if an error other than AttributeError
is raised.
*/
PyAPI_FUNC(int) _PyObject_LookupAttr(PyObject *, PyObject *, PyObject **);
PyAPI_FUNC(int) _PyObject_LookupAttrId(PyObject *, _Py_Identifier *, PyObject **);
#define _PyObject_LookupAttr PyObject_GetOptionalAttr
PyAPI_FUNC(int) _PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);