From c13047e3f7674a5a05b107ef3fd97d9ff4165639 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Fri, 24 Nov 2017 10:51:31 +0200 Subject: pykms: keep Card alive until Blob is gone --- py/pykms/pykmsbase.cpp | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/py/pykms/pykmsbase.cpp b/py/pykms/pykmsbase.cpp index aae5ece..96ebe7a 100644 --- a/py/pykms/pykmsbase.cpp +++ b/py/pykms/pykmsbase.cpp @@ -105,12 +105,14 @@ void init_pykmsbase(py::module &m) py::class_(m, "Blob") .def("__init__", [](Blob& instance, Card& card, py::buffer buf) { - py::buffer_info info = buf.request(); - if (info.ndim != 1) - throw std::runtime_error("Incompatible buffer dimension!"); + py::buffer_info info = buf.request(); + if (info.ndim != 1) + throw std::runtime_error("Incompatible buffer dimension!"); + + new (&instance) Blob(card, info.ptr, info.size * info.itemsize); + }, + py::keep_alive<1, 3>()) // Keep Card alive until this is destructed - new (&instance) Blob(card, info.ptr, info.size * info.itemsize); - }) .def_property_readonly("data", &Blob::data) // XXX pybind11 doesn't support a base object (DrmObject) with custom holder-type, -- cgit v1.2.3-54-g00ecf