Function PyArray_LookupSpecial_OnInstance

numpy/core/src/common/get_attr_string.h:76–93

* PyArray_LookupSpecial_OnInstance: * * Implements incorrect special method lookup rules, that break the python * convention, and looks on the instance, not the type. * * Kept for backwards compatibility. In future, we should deprecate this. */

 * Kept for backwards compatibility. In future, we should deprecate this.
 */
static inline PyObject *
PyArray_LookupSpecial_OnInstance(PyObject *obj, PyObject *name_unicode)
{
    PyTypeObject *tp = Py_TYPE(obj);

    /* We do not need to check for special attributes on trivial types */
    if (_is_basic_python_type(tp)) {
        return NULL;
    }

    PyObject *res = PyObject_GetAttr(obj, name_unicode);

    if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Clear();
    }

    return res;
}

#endif  /* NUMPY_CORE_SRC_COMMON_GET_ATTR_STRING_H_ */