Introduce importlib.util.ModuleManager which is a context manager to handle providing (and cleaning up if needed) the module to be loaded. A future commit will use the context manager in Lib/importlib/_bootstrap.py and thus why the code is placed there instead of in Lib/importlib/util.py.

#include "Python.h"

#ifndef PLATFORM
#define PLATFORM "unknown"
#endif

const char *
Py_GetPlatform(void)
{
	return PLATFORM;
}