Create NumPy array from ptr and take ownership of the data

compile.log

$ cython /tmp/test.pyx

Error compiling Cython file:
------------------------------------------------------------
...
    void PyArray_ENABLEFLAGS(np.PyArrayObject *arr, int flags)

cdef data_to_numpy_array_with_spec(void * ptr, np.npy_intp size, int t):
    """Return an array of SIZE elements (each of type T) with data from PTR."""
    cdef np.ndarray[DTYPE_t, ndim=1] arr = np.PyArray_SimpleNewFromData(1, &size, t, ptr)
    PyArray_ENABLEFLAGS(arr, np.NPY_ARRAY_OWNDATA)
                          ^
------------------------------------------------------------

/tmp/test.pyx:17:27: Cannot convert Python object to 'PyArrayObject *'

test.pyx

# Create NumPy array from ptr and take ownership of the data

from libc.stdlib cimport malloc
import numpy as np
cimport numpy as np

np.import_array()

ctypedef np.int32_t DTYPE_t

cdef extern from "numpy/ndarraytypes.h":
    void PyArray_ENABLEFLAGS(np.PyArrayObject *arr, int flags)

cdef data_to_numpy_array_with_spec(void * ptr, np.npy_intp size, int t):
    """Return an array of SIZE elements (each of type T) with data from PTR."""
    cdef np.ndarray[DTYPE_t, ndim=1] arr = np.PyArray_SimpleNewFromData(1, &size, t, ptr)
    PyArray_ENABLEFLAGS(arr, np.NPY_ARRAY_OWNDATA)
    return arr

def test():
    N = 1000

    cdef DTYPE_t *data = <DTYPE_t *>malloc(N * sizeof(DTYPE_t))
    arr = data_to_numpy_array_with_spec(data, N, np.NPY_INT32)