[C++-sig] Segmentation Fault (core dumped) on Python 3.5.2 but not Python 2.7.12

[Stefan Seefeld]

Hi Matthew,

would you mind submitting an issue on
https://github.com/boostorg/python/issues for this.

Thanks,
        Stefan

On 04.08.2016 13:10, Matthew Conte wrote:
> So I'm trying to create a boost python module that simply creates and
> returns a numpy array, 
> but the function crashes (sometimes) and it doesn't ever seem to crash
> on Python 2.
>
> Here's the source code I made:
>
> #include <boost/python.hpp>
> #include <numpy/ndarrayobject.h>
>
> using namespace boost::python;
>
> object create_numpy_array() {
> npy_intp dims = 1;
> long* data = new long[1];
> data[0] = 1;
> PyObject* obj = PyArray_SimpleNewFromData(1, &dims, PyArray_LONGLTR,
> data);
> boost::python::handle<> handle(obj);
> boost::python::numeric::array arr(handle);
> return arr.copy();
> }
>
> BOOST_PYTHON_MODULE(create) {
> import_array();
> numeric::array::set_module_and_type("numpy", "ndarray");
> def("numpy_array", &create_numpy_array);
> }
>
>
> using a simple python script to test:
>
> import create
> print(create.numpy_array())
>
>
> The stack trace indicates that the crash occurs on a
> boost::python::handle destructor trying to decrease the ref count of a
> PyObject with a ref count of 0.
>
> I've tried this on both Windows 7 and Ubuntu 16.04 both 64-bit.
>
> Thank you.
>
>
> _______________________________________________
> Cplusplus-sig mailing list
> Cplusplus-sig at python.org
> https://mail.python.org/mailman/listinfo/cplusplus-sig


-- 

      ...ich hab' noch einen Koffer in Berlin...