Function PyInit_interpreter

numexpr3/module.cpp:400–463

#define INITERROR return NULL

PyObject*
PyInit_interpreter(void)
// #else  // Python 2.7
// #define INITERROR return

// PyMODINIT_FUNC
// initinterpreter()
// #endif
{
    // PyObject *m, *d;
    PyObject *m;

    // WARNING: PyType_Ready MUST be called to finalize new Python types before
    // a module is created. Official documentation is weak on this point.
    if (PyType_Ready(&NumExprType) < 0)
        INITERROR;

// #if PY_MAJOR_VERSION >= 3
    m = PyModule_Create(&moduledef);
// #else
    // m = Py_InitModule3("interpreter", module_methods, NULL);
// #endif

    if (m == NULL)
        INITERROR;

    Py_INCREF(&NumExprType);
    PyModule_AddObject(m, "CompiledExec", (PyObject *)&NumExprType);

    import_array();

    // Let's export the block sizes to Python side for benchmarking comparisons
    PyModule_AddIntConstant(m, "__BLOCK_SIZE1__", BLOCK_SIZE1 );
    PyModule_AddIntConstant(m, "__BLOCK_SIZE2__", BLOCK_SIZE2 );

    PyModule_AddIntConstant(m, "MAX_ARGS", NPY_MAXARGS );
    PyModule_AddIntConstant(m, "MAX_DIMS", NPY_MAXDIMS );

    
#ifdef BENCHMARKING
    PyModule_AddIntConstant(m, "BENCHMARKING", 1 );  
    #if defined(_WIN32) // On Windows x64: LARGE_INTEGER is a union and LARGE_INTEGER.QuadPart is int64. 
        npy_intp dims = BCOUNT;
        QueryPerformanceFrequency( &T_NOW );
        PyModule_AddIntConstant(m, "cpu_freq", T_NOW.QuadPart );
        PyObject* bench_times = PyArray_SimpleNewFromData( 1, &dims, NPY_INT64, TIMES );
    #else  // On Linux: struct timespec { long ts_sec; long ts_nsec };
        // So the array is 2*BCOUNT long and will need to be sliced on the Python end
        npy_intp dims = 2*BCOUNT;
        PyObject* bench_times = PyArray_SimpleNewFromData( 1, &dims, NPY_INT64, TIMES );
    #endif
    PyModule_AddObject(m, "bench_times", bench_times ); // Make NumPy arrays from the timing arrays.
#else // No BENCHMARKING
    PyModule_AddIntConstant(m, "BENCHMARKING", 0 );  
#endif

    // The OpTable is loaded via pickle now.
    // d = PyDict_New();