numpy-openblas-get-config.py

# based on https://github.com/numpy/numpy/issues/18471#issuecomment-785019387
import numpy
import os
import ctypes

def get_ilp64():
    if os.environ.get("NPY_USE_BLAS_ILP64", "0") == "0":
        return None
    if IS_32BIT:
        raise RuntimeError("NPY_USE_BLAS_ILP64 set on 32-bit arch")
    return "64_"

ilp64 = get_ilp64()

dll = ctypes.CDLL(numpy.core._multiarray_umath.__file__)
if ilp64 == "64_":
    get_config = dll.openblas_get_config64_
else:
    get_config = dll.openblas_get_config
get_config.restype = ctypes.c_char_p
res = get_config()
print('OpenBLAS get_config returned', str(res))