Function NumPyDtypeToArrow

python/pyarrow/src/arrow/python/numpy_convert.cc:125–131

}

Result<std::shared_ptr<DataType>> NumPyDtypeToArrow(PyObject* dtype) {
  if (!PyObject_TypeCheck(dtype, &PyArrayDescr_Type)) {
    return Status::TypeError("Did not pass numpy.dtype object");
  }
  PyArray_Descr* descr = reinterpret_cast<PyArray_Descr*>(dtype);
  return NumPyDtypeToArrow(descr);
}

Result<std::shared_ptr<DataType>> NumPyDtypeToArrow(PyArray_Descr* descr) {
  int type_num = fix_numpy_type_num(descr->type_num);