Function MakeCallback

PythonAPI/carla/source/libcarla/libcarla.cpp:176–197

}

static auto MakeCallback(boost::python::object callback) {
  namespace py = boost::python;
  // Make sure the callback is actually callable.
  if (!PyCallable_Check(callback.ptr())) {
    PyErr_SetString(PyExc_TypeError, "callback argument must be callable!");
    py::throw_error_already_set();
  }

  // We need to delete the callback while holding the GIL.
  using Deleter = carla::PythonUtil::AcquireGILDeleter;
  auto callback_ptr = carla::SharedPtr<py::object>{new py::object(callback), Deleter()};

  // Make a lambda callback.
  return [callback=std::move(callback_ptr)](auto message) {
    carla::PythonUtil::AcquireGIL lock;
    try {
      py::call<void>(callback->ptr(), py::object(message));
    } catch (const py::error_already_set &) {
      PyErr_Print();
    }
  };
}

#include "Geom.cpp"
#include "Occupancy.cpp"