Is there a Python API function to get value by its name in C++?

user_13966135 0
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I want to do something like this:

Py_Initialize();
PyRun_SimpleString("d = 0.97");
float a = ? // how to get value of d by its name?
Py_Finalize();

Is there a simple way to do this?

python c++
2 Answers

PyRun_SimpleString will not help AFAIK.

Use PyRun_String instead of PyRun_SimpleString which returns an object a pointer to a PyObject. But this would not be very (simple) as mentioned by your question

user_101640830

As said tdelaney, "d ends up in the __main__ module". So the best solution I find is

Py_Initialize();
PyRun_SimpleString("d = 0.97");
PyObject *mainModule = PyImport_AddModule("__main__");
PyObject *var = PyObject_GetAttrString(mainModule, "d");
float a = PyFloat_AsDouble(var);
Py_Finalize();

Not as simple as I expected, but acceptable and it works.

user_139661350
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