Running a callback from the embedded interpreter with the correct locals/globals context

[AetherDim]

Hi there!

I was wondering about callbacks in a script context.

If I have a script and like to register a callback for an event.
I would build it like this:

test.py:

import MyModule

y  = 5

def func(x: int):
    print(x + y)

MyModule.registerCallback(func)

The module would look something like this:

PYBIND11_EMBEDDED_MODULE(MyModule, m) {
    m.def("registerCallback", [](py::function f) {
        callbackStorageLocation = f; 
    }
}

Then I would call my test.py with the interpreter like this:

py:scoped_interpreter gil{};
py::dict locals{};

py::eval_file("test.py", py::globals, locals);

py::function func = callbackStorageLocation;

func(42);

This will fail because y = 5 is not defined. I found no way to give the function globals and locals as parameter.

Is there some trick for that or should I change the way I use callbacks?

Thanks in advance!