Function array_wraparray

numpy/core/src/multiarray/methods.c:967–1004

static PyObject *
array_wraparray(PyArrayObject *self, PyObject *args)
{
    PyArrayObject *arr;
    PyObject *obj;

    if (PyTuple_Size(args) < 1) {
        PyErr_SetString(PyExc_TypeError,
                        "only accepts 1 argument");
        return NULL;
    }
    obj = PyTuple_GET_ITEM(args, 0);
    if (obj == NULL) {
        return NULL;
    }
    if (!PyArray_Check(obj)) {
        PyErr_SetString(PyExc_TypeError,
                        "can only be called with ndarray object");
        return NULL;
    }
    arr = (PyArrayObject *)obj;

    if (Py_TYPE(self) != Py_TYPE(arr)) {
        PyArray_Descr *dtype = PyArray_DESCR(arr);
        Py_INCREF(dtype);
        return PyArray_NewFromDescrAndBase(
                Py_TYPE(self),
                dtype,
                PyArray_NDIM(arr),
                PyArray_DIMS(arr),
                PyArray_STRIDES(arr), PyArray_DATA(arr),
                PyArray_FLAGS(arr), (PyObject *)self, obj);
    } else {
        /*The type was set in __array_prepare__*/
        Py_INCREF(arr);
        return (PyObject *)arr;
    }
}


static PyObject *